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| author | Wolfram Sang <wsa@the-dreams.de> | 2019-05-03 16:20:04 +0300 |
|---|---|---|
| committer | Wolfram Sang <wsa@the-dreams.de> | 2019-05-03 16:20:58 +0300 |
| commit | d00afd5ede1c29a6dc59be2d7fb7d6ef28eb85c5 (patch) | |
| tree | e194b1968e54380a6654abf7d3a037ca0a010280 | |
| parent | 9a51b86a61214a297cdfc1bb705b7267f9455ae6 (diff) | |
| parent | d5984d2a312144bedccf32aea2298f8df05bb617 (diff) | |
| download | linux-d00afd5ede1c29a6dc59be2d7fb7d6ef28eb85c5.tar.xz | |
Merge branch 'i2c-mux/for-next' of https://github.com/peda-r/i2c-mux into i2c/for-5.2
Mainly some pca954x work, i.e. removal of unused platform data support
and added support for sysfs interface for manipulating/examining the
idle state. And then a mechanical cocci-style patch.
841 files changed, 11586 insertions, 9858 deletions
@@ -224,3 +224,5 @@ Yakir Yang <kuankuan.y@gmail.com> <ykk@rock-chips.com> Yusuke Goda <goda.yusuke@renesas.com> Gustavo Padovan <gustavo@las.ic.unicamp.br> Gustavo Padovan <padovan@profusion.mobi> +Changbin Du <changbin.du@intel.com> <changbin.du@intel.com> +Changbin Du <changbin.du@intel.com> <changbin.du@gmail.com> diff --git a/Documentation/ABI/testing/sysfs-bus-i2c-devices-pca954x b/Documentation/ABI/testing/sysfs-bus-i2c-devices-pca954x new file mode 100644 index 000000000000..0b0de8cd0d13 --- /dev/null +++ b/Documentation/ABI/testing/sysfs-bus-i2c-devices-pca954x @@ -0,0 +1,20 @@ +What: /sys/bus/i2c/.../idle_state +Date: January 2019 +KernelVersion: 5.2 +Contact: Robert Shearman <robert.shearman@att.com> +Description: + Value that exists only for mux devices that can be + written to control the behaviour of the multiplexer on + idle. Possible values: + -2 - disconnect on idle, i.e. deselect the last used + channel, which is useful when there is a device + with an address that conflicts with another + device on another mux on the same parent bus. + -1 - leave the mux as-is, which is the most optimal + setting in terms of I2C operations and is the + default mode. + 0..<nchans> - set the mux to a predetermined channel, + which is useful if there is one channel that is + used almost always, and you want to reduce the + latency for normal operations after rare + transactions on other channels diff --git a/Documentation/devicetree/bindings/i2c/i2c-xscale.txt b/Documentation/devicetree/bindings/i2c/i2c-iop3xx.txt index dcc8390e0d24..dcc8390e0d24 100644 --- a/Documentation/devicetree/bindings/i2c/i2c-xscale.txt +++ b/Documentation/devicetree/bindings/i2c/i2c-iop3xx.txt diff --git a/Documentation/devicetree/bindings/i2c/i2c-mtk.txt b/Documentation/devicetree/bindings/i2c/i2c-mt65xx.txt index 68f6d73a8b73..68f6d73a8b73 100644 --- a/Documentation/devicetree/bindings/i2c/i2c-mtk.txt +++ b/Documentation/devicetree/bindings/i2c/i2c-mt65xx.txt diff --git a/Documentation/devicetree/bindings/i2c/i2c-st-ddci2c.txt b/Documentation/devicetree/bindings/i2c/i2c-stu300.txt index bd81a482634f..bd81a482634f 100644 --- a/Documentation/devicetree/bindings/i2c/i2c-st-ddci2c.txt +++ b/Documentation/devicetree/bindings/i2c/i2c-stu300.txt diff --git a/Documentation/devicetree/bindings/i2c/i2c-sunxi-p2wi.txt b/Documentation/devicetree/bindings/i2c/i2c-sun6i-p2wi.txt index 49df0053347a..49df0053347a 100644 --- a/Documentation/devicetree/bindings/i2c/i2c-sunxi-p2wi.txt +++ b/Documentation/devicetree/bindings/i2c/i2c-sun6i-p2wi.txt diff --git a/Documentation/devicetree/bindings/i2c/i2c-vt8500.txt b/Documentation/devicetree/bindings/i2c/i2c-wmt.txt index 94a425eaa6c7..94a425eaa6c7 100644 --- a/Documentation/devicetree/bindings/i2c/i2c-vt8500.txt +++ b/Documentation/devicetree/bindings/i2c/i2c-wmt.txt diff --git a/Documentation/devicetree/bindings/interrupt-controller/renesas,irqc.txt b/Documentation/devicetree/bindings/interrupt-controller/renesas,irqc.txt index 8de96a4fb2d5..f977ea7617f6 100644 --- a/Documentation/devicetree/bindings/interrupt-controller/renesas,irqc.txt +++ b/Documentation/devicetree/bindings/interrupt-controller/renesas,irqc.txt @@ -16,6 +16,7 @@ Required properties: - "renesas,irqc-r8a7793" (R-Car M2-N) - "renesas,irqc-r8a7794" (R-Car E2) - "renesas,intc-ex-r8a774a1" (RZ/G2M) + - "renesas,intc-ex-r8a774c0" (RZ/G2E) - "renesas,intc-ex-r8a7795" (R-Car H3) - "renesas,intc-ex-r8a7796" (R-Car M3-W) - "renesas,intc-ex-r8a77965" (R-Car M3-N) diff --git a/Documentation/devicetree/bindings/net/dsa/qca8k.txt b/Documentation/devicetree/bindings/net/dsa/qca8k.txt index bbcb255c3150..93a7469e70d4 100644 --- a/Documentation/devicetree/bindings/net/dsa/qca8k.txt +++ b/Documentation/devicetree/bindings/net/dsa/qca8k.txt @@ -12,10 +12,15 @@ Required properties: Subnodes: The integrated switch subnode should be specified according to the binding -described in dsa/dsa.txt. As the QCA8K switches do not have a N:N mapping of -port and PHY id, each subnode describing a port needs to have a valid phandle -referencing the internal PHY connected to it. The CPU port of this switch is -always port 0. +described in dsa/dsa.txt. If the QCA8K switch is connect to a SoC's external +mdio-bus each subnode describing a port needs to have a valid phandle +referencing the internal PHY it is connected to. This is because there's no +N:N mapping of port and PHY id. + +Don't use mixed external and internal mdio-bus configurations, as this is +not supported by the hardware. + +The CPU port of this switch is always port 0. A CPU port node has the following optional node: @@ -31,8 +36,9 @@ For QCA8K the 'fixed-link' sub-node supports only the following properties: - 'full-duplex' (boolean, optional), to indicate that full duplex is used. When absent, half duplex is assumed. -Example: +Examples: +for the external mdio-bus configuration: &mdio0 { phy_port1: phy@0 { @@ -55,12 +61,12 @@ Example: reg = <4>; }; - switch0@0 { + switch@10 { compatible = "qca,qca8337"; #address-cells = <1>; #size-cells = <0>; - reg = <0>; + reg = <0x10>; ports { #address-cells = <1>; @@ -108,3 +114,56 @@ Example: }; }; }; + +for the internal master mdio-bus configuration: + + &mdio0 { + switch@10 { + compatible = "qca,qca8337"; + #address-cells = <1>; + #size-cells = <0>; + + reg = <0x10>; + + ports { + #address-cells = <1>; + #size-cells = <0>; + + port@0 { + reg = <0>; + label = "cpu"; + ethernet = <&gmac1>; + phy-mode = "rgmii"; + fixed-link { + speed = 1000; + full-duplex; + }; + }; + + port@1 { + reg = <1>; + label = "lan1"; + }; + + port@2 { + reg = <2>; + label = "lan2"; + }; + + port@3 { + reg = <3>; + label = "lan3"; + }; + + port@4 { + reg = <4>; + label = "lan4"; + }; + + port@5 { + reg = <5>; + label = "wan"; + }; + }; + }; + }; diff --git a/Documentation/devicetree/bindings/serial/mtk-uart.txt b/Documentation/devicetree/bindings/serial/mtk-uart.txt index 742cb470595b..bcfb13194f16 100644 --- a/Documentation/devicetree/bindings/serial/mtk-uart.txt +++ b/Documentation/devicetree/bindings/serial/mtk-uart.txt @@ -16,6 +16,7 @@ Required properties: * "mediatek,mt8127-uart" for MT8127 compatible UARTS * "mediatek,mt8135-uart" for MT8135 compatible UARTS * "mediatek,mt8173-uart" for MT8173 compatible UARTS + * "mediatek,mt8183-uart", "mediatek,mt6577-uart" for MT8183 compatible UARTS * "mediatek,mt6577-uart" for MT6577 and all of the above - reg: The base address of the UART register bank. diff --git a/Documentation/filesystems/mount_api.txt b/Documentation/filesystems/mount_api.txt index 944d1965e917..00ff0cfccfa7 100644 --- a/Documentation/filesystems/mount_api.txt +++ b/Documentation/filesystems/mount_api.txt @@ -12,11 +12,13 @@ CONTENTS (4) Filesystem context security. - (5) VFS filesystem context operations. + (5) VFS filesystem context API. - (6) Parameter description. + (6) Superblock creation helpers. - (7) Parameter helper functions. + (7) Parameter description. + + (8) Parameter helper functions. ======== @@ -41,12 +43,15 @@ The creation of new mounts is now to be done in a multistep process: (7) Destroy the context. -To support this, the file_system_type struct gains a new field: +To support this, the file_system_type struct gains two new fields: int (*init_fs_context)(struct fs_context *fc); + const struct fs_parameter_description *parameters; -which is invoked to set up the filesystem-specific parts of a filesystem -context, including the additional space. +The first is invoked to set up the filesystem-specific parts of a filesystem +context, including the additional space, and the second points to the +parameter description for validation at registration time and querying by a +future system call. Note that security initialisation is done *after* the filesystem is called so that the namespaces may be adjusted first. @@ -73,9 +78,9 @@ context. This is represented by the fs_context structure: void *s_fs_info; unsigned int sb_flags; unsigned int sb_flags_mask; + unsigned int s_iflags; + unsigned int lsm_flags; enum fs_context_purpose purpose:8; - bool sloppy:1; - bool silent:1; ... }; @@ -141,6 +146,10 @@ The fs_context fields are as follows: Which bits SB_* flags are to be set/cleared in super_block::s_flags. + (*) unsigned int s_iflags + + These will be bitwise-OR'd with s->s_iflags when a superblock is created. + (*) enum fs_context_purpose This indicates the purpose for which the context is intended. The @@ -150,17 +159,6 @@ The fs_context fields are as follows: FS_CONTEXT_FOR_SUBMOUNT -- New automatic submount of extant mount FS_CONTEXT_FOR_RECONFIGURE -- Change an existing mount - (*) bool sloppy - (*) bool silent - - These are set if the sloppy or silent mount options are given. - - [NOTE] sloppy is probably unnecessary when userspace passes over one - option at a time since the error can just be ignored if userspace deems it - to be unimportant. - - [NOTE] silent is probably redundant with sb_flags & SB_SILENT. - The mount context is created by calling vfs_new_fs_context() or vfs_dup_fs_context() and is destroyed with put_fs_context(). Note that the structure is not refcounted. @@ -342,28 +340,47 @@ number of operations used by the new mount code for this purpose: It should return 0 on success or a negative error code on failure. -================================= -VFS FILESYSTEM CONTEXT OPERATIONS -================================= +========================== +VFS FILESYSTEM CONTEXT API +========================== -There are four operations for creating a filesystem context and -one for destroying a context: +There are four operations for creating a filesystem context and one for +destroying a context: - (*) struct fs_context *vfs_new_fs_context(struct file_system_type *fs_type, - struct dentry *reference, - unsigned int sb_flags, - unsigned int sb_flags_mask, - enum fs_context_purpose purpose); + (*) struct fs_context *fs_context_for_mount( + struct file_system_type *fs_type, + unsigned int sb_flags); - Create a filesystem context for a given filesystem type and purpose. This - allocates the filesystem context, sets the superblock flags, initialises - the security and calls fs_type->init_fs_context() to initialise the - filesystem private data. + Allocate a filesystem context for the purpose of setting up a new mount, + whether that be with a new superblock or sharing an existing one. This + sets the superblock flags, initialises the security and calls + fs_type->init_fs_context() to initialise the filesystem private data. - reference can be NULL or it may indicate the root dentry of a superblock - that is going to be reconfigured (FS_CONTEXT_FOR_RECONFIGURE) or - the automount point that triggered a submount (FS_CONTEXT_FOR_SUBMOUNT). - This is provided as a source of namespace information. + fs_type specifies the filesystem type that will manage the context and + sb_flags presets the superblock flags stored therein. + + (*) struct fs_context *fs_context_for_reconfigure( + struct dentry *dentry, + unsigned int sb_flags, + unsigned int sb_flags_mask); + + Allocate a filesystem context for the purpose of reconfiguring an + existing superblock. dentry provides a reference to the superblock to be + configured. sb_flags and sb_flags_mask indicate which superblock flags + need changing and to what. + + (*) struct fs_context *fs_context_for_submount( + struct file_system_type *fs_type, + struct dentry *reference); + + Allocate a filesystem context for the purpose of creating a new mount for + an automount point or other derived superblock. fs_type specifies the + filesystem type that will manage the context and the reference dentry + supplies the parameters. Namespaces are propagated from the reference + dentry's superblock also. + + Note that it's not a requirement that the reference dentry be of the same + filesystem type as fs_type. (*) struct fs_context *vfs_dup_fs_context(struct fs_context *src_fc); @@ -390,20 +407,6 @@ context pointer or a negative error code. For the remaining operations, if an error occurs, a negative error code will be returned. - (*) int vfs_get_tree(struct fs_context *fc); - - Get or create the mountable root and superblock, using the parameters in - the filesystem context to select/configure the superblock. This invokes - the ->validate() op and then the ->get_tree() op. - - [NOTE] ->validate() could perhaps be rolled into ->get_tree() and - ->reconfigure(). - - (*) struct vfsmount *vfs_create_mount(struct fs_context *fc); - - Create a mount given the parameters in the specified filesystem context. - Note that this does not attach the mount to anything. - (*) int vfs_parse_fs_param(struct fs_context *fc, struct fs_parameter *param); @@ -432,17 +435,80 @@ returned. clear the pointer, but then becomes responsible for disposing of the object. - (*) int vfs_parse_fs_string(struct fs_context *fc, char *key, + (*) int vfs_parse_fs_string(struct fs_context *fc, const char *key, const char *value, size_t v_size); - A wrapper around vfs_parse_fs_param() that just passes a constant string. + A wrapper around vfs_parse_fs_param() that copies the value string it is + passed. (*) int generic_parse_monolithic(struct fs_context *fc, void *data); Parse a sys_mount() data page, assuming the form to be a text list consisting of key[=val] options separated by commas. Each item in the list is passed to vfs_mount_option(). This is the default when the - ->parse_monolithic() operation is NULL. + ->parse_monolithic() method is NULL. + + (*) int vfs_get_tree(struct fs_context *fc); + + Get or create the mountable root and superblock, using the parameters in + the filesystem context to select/configure the superblock. This invokes + the ->get_tree() method. + + (*) struct vfsmount *vfs_create_mount(struct fs_context *fc); + + Create a mount given the parameters in the specified filesystem context. + Note that this does not attach the mount to anything. + + +=========================== +SUPERBLOCK CREATION HELPERS +=========================== + +A number of VFS helpers are available for use by filesystems for the creation +or looking up of superblocks. + + (*) struct super_block * + sget_fc(struct fs_context *fc, + int (*test)(struct super_block *sb, struct fs_context *fc), + int (*set)(struct super_block *sb, struct fs_context *fc)); + + This is the core routine. If test is non-NULL, it searches for an + existing superblock matching the criteria held in the fs_context, using + the test function to match them. If no match is found, a new superblock + is created and the set function is called to set it up. + + Prior to the set function being called, fc->s_fs_info will be transferred + to sb->s_fs_info - and fc->s_fs_info will be cleared if set returns + success (ie. 0). + +The following helpers all wrap sget_fc(): + + (*) int vfs_get_super(struct fs_context *fc, + enum vfs_get_super_keying keying, + int (*fill_super)(struct super_block *sb, + struct fs_context *fc)) + + This creates/looks up a deviceless superblock. The keying indicates how + many superblocks of this type may exist and in what manner they may be + shared: + + (1) vfs_get_single_super + + Only one such superblock may exist in the system. Any further + attempt to get a new superblock gets this one (and any parameter + differences are ignored). + + (2) vfs_get_keyed_super + + Multiple superblocks of this type may exist and they're keyed on + their s_fs_info pointer (for example this may refer to a + namespace). + + (3) vfs_get_independent_super + + Multiple independent superblocks of this type may exist. This + function never matches an existing one and always creates a new + one. ===================== @@ -454,35 +520,22 @@ There's a core description struct that links everything together: struct fs_parameter_description { const char name[16]; - u8 nr_params; - u8 nr_alt_keys; - u8 nr_enums; - bool ignore_unknown; - bool no_source; - const char *const *keys; - const struct constant_table *alt_keys; const struct fs_parameter_spec *specs; const struct fs_parameter_enum *enums; }; For example: - enum afs_param { + enum { Opt_autocell, Opt_bar, Opt_dyn, Opt_foo, Opt_source, - nr__afs_params }; static const struct fs_parameter_description afs_fs_parameters = { .name = "kAFS", - .nr_params = nr__afs_params, - .nr_alt_keys = ARRAY_SIZE(afs_param_alt_keys), - .nr_enums = ARRAY_SIZE(afs_param_enums), - .keys = afs_param_keys, - .alt_keys = afs_param_alt_keys, .specs = afs_param_specs, .enums = afs_param_enums, }; @@ -494,28 +547,24 @@ The members are as follows: The name to be used in error messages generated by the parse helper functions. - (2) u8 nr_params; - - The number of discrete parameter identifiers. This indicates the number - of elements in the ->types[] array and also limits the values that may be - used in the values that the ->keys[] array maps to. - - It is expected that, for example, two parameters that are related, say - "acl" and "noacl" with have the same ID, but will be flagged to indicate - that one is the inverse of the other. The value can then be picked out - from the parse result. + (2) const struct fs_parameter_specification *specs; - (3) const struct fs_parameter_specification *specs; + Table of parameter specifications, terminated with a null entry, where the + entries are of type: - Table of parameter specifications, where the entries are of type: - - struct fs_parameter_type { - enum fs_parameter_spec type:8; - u8 flags; + struct fs_parameter_spec { + const char *name; + u8 opt; + enum fs_parameter_type type:8; + unsigned short flags; }; - and the parameter identifier is the index to the array. 'type' indicates - the desired value type and must be one of: + The 'name' field is a string to match exactly to the parameter key (no + wildcards, patterns and no case-independence) and 'opt' is the value that + will be returned by the fs_parser() function in the case of a successful + match. + + The 'type' field indicates the desired value type and must be one of: TYPE NAME EXPECTED VALUE RESULT IN ======================= ======================= ===================== @@ -525,85 +574,65 @@ The members are as follows: fs_param_is_u32_octal 32-bit octal int result->uint_32 fs_param_is_u32_hex 32-bit hex int result->uint_32 fs_param_is_s32 32-bit signed int result->int_32 + fs_param_is_u64 64-bit unsigned int result->uint_64 fs_param_is_enum Enum value name result->uint_32 fs_param_is_string Arbitrary string param->string fs_param_is_blob Binary blob param->blob fs_param_is_blockdev Blockdev path * Needs lookup fs_param_is_path Path * Needs lookup - fs_param_is_fd File descriptor param->file - - And each parameter can be qualified with 'flags': - - fs_param_v_optional The value is optional - fs_param_neg_with_no If key name is prefixed with "no", it is false - fs_param_neg_with_empty If value is "", it is false - fs_param_deprecated The parameter is deprecated. - - For example: - - static const struct fs_parameter_spec afs_param_specs[nr__afs_params] = { - [Opt_autocell] = { fs_param_is flag }, - [Opt_bar] = { fs_param_is_enum }, - [Opt_dyn] = { fs_param_is flag }, - [Opt_foo] = { fs_param_is_bool, fs_param_neg_with_no }, - [Opt_source] = { fs_param_is_string }, - }; + fs_param_is_fd File descriptor result->int_32 Note that if the value is of fs_param_is_bool type, fs_parse() will try to match any string value against "0", "1", "no", "yes", "false", "true". - [!] NOTE that the table must be sorted according to primary key name so - that ->keys[] is also sorted. - - (4) const char *const *keys; - - Table of primary key names for the parameters. There must be one entry - per defined parameter. The table is optional if ->nr_params is 0. The - table is just an array of names e.g.: + Each parameter can also be qualified with 'flags': - static const char *const afs_param_keys[nr__afs_params] = { - [Opt_autocell] = "autocell", - [Opt_bar] = "bar", - [Opt_dyn] = "dyn", - [Opt_foo] = "foo", - [Opt_source] = "source", - }; - - [!] NOTE that the table must be sorted such that the table can be searched - with bsearch() using strcmp(). This means that the Opt_* values must - correspond to the entries in this table. - - (5) const struct constant_table *alt_keys; - u8 nr_alt_keys; - - Table of additional key names and their mappings to parameter ID plus the - number of elements in the table. This is optional. The table is just an - array of { name, integer } pairs, e.g.: + fs_param_v_optional The value is optional + fs_param_neg_with_no result->negated set if key is prefixed with "no" + fs_param_neg_with_empty result->negated set if value is "" + fs_param_deprecated The parameter is deprecated. - static const struct constant_table afs_param_keys[] = { - { "baz", Opt_bar }, - { "dynamic", Opt_dyn }, + These are wrapped with a number of convenience wrappers: + + MACRO SPECIFIES + ======================= =============================================== + fsparam_flag() fs_param_is_flag + fsparam_flag_no() fs_param_is_flag, fs_param_neg_with_no + fsparam_bool() fs_param_is_bool + fsparam_u32() fs_param_is_u32 + fsparam_u32oct() fs_param_is_u32_octal + fsparam_u32hex() fs_param_is_u32_hex + fsparam_s32() fs_param_is_s32 + fsparam_u64() fs_param_is_u64 + fsparam_enum() fs_param_is_enum + fsparam_string() fs_param_is_string + fsparam_blob() fs_param_is_blob + fsparam_bdev() fs_param_is_blockdev + fsparam_path() fs_param_is_path + fsparam_fd() fs_param_is_fd + + all of which take two arguments, name string and option number - for + example: + + static const struct fs_parameter_spec afs_param_specs[] = { + fsparam_flag ("autocell", Opt_autocell), + fsparam_flag ("dyn", Opt_dyn), + fsparam_string ("source", Opt_source), + fsparam_flag_no ("foo", Opt_foo), + {} }; - [!] NOTE that the table must be sorted such that strcmp() can be used with - bsearch() to search the entries. - - The parameter ID can also be fs_param_key_removed to indicate that a - deprecated parameter has been removed and that an error will be given. - This differs from fs_param_deprecated where the parameter may still have - an effect. - - Further, the behaviour of the parameter may differ when an alternate name - is used (for instance with NFS, "v3", "v4.2", etc. are alternate names). + An addition macro, __fsparam() is provided that takes an additional pair + of arguments to specify the type and the flags for anything that doesn't + match one of the above macros. (6) const struct fs_parameter_enum *enums; - u8 nr_enums; - Table of enum value names to integer mappings and the number of elements - stored therein. This is of type: + Table of enum value names to integer mappings, terminated with a null + entry. This is of type: struct fs_parameter_enum { - u8 param_id; + u8 opt; char name[14]; u8 value; }; @@ -621,11 +650,6 @@ The members are as follows: try to look the value up in the enum table and the result will be stored in the parse result. - (7) bool no_source; - - If this is set, fs_parse() will ignore any "source" parameter and not - pass it to the filesystem. - The parser should be pointed to by the parser pointer in the file_system_type struct as this will provide validation on registration (if CONFIG_VALIDATE_FS_PARSER=y) and will allow the description to be queried from @@ -650,9 +674,8 @@ process the parameters it is given. int value; }; - and it must be sorted such that it can be searched using bsearch() using - strcmp(). If a match is found, the corresponding value is returned. If a - match isn't found, the not_found value is returned instead. + If a match is found, the corresponding value is returned. If a match + isn't found, the not_found value is returned instead. (*) bool validate_constant_table(const struct constant_table *tbl, size_t tbl_size, @@ -665,36 +688,36 @@ process the parameters it is given. should just be set to lie inside the low-to-high range. If all is good, true is returned. If the table is invalid, errors are - logged to dmesg, the stack is dumped and false is returned. + logged to dmesg and false is returned. + + (*) bool fs_validate_description(const struct fs_parameter_description *desc); + + This performs some validation checks on a parameter description. It + returns true if the description is good and false if it is not. It will + log errors to dmesg if validation fails. (*) int fs_parse(struct fs_context *fc, - const struct fs_param_parser *parser, + const struct fs_parameter_description *desc, struct fs_parameter *param, - struct fs_param_parse_result *result); + struct fs_parse_result *result); This is the main interpreter of parameters. It uses the parameter - description (parser) to look up the name of the parameter to use and to - convert that to a parameter ID (stored in result->key). + description to look up a parameter by key name and to convert that to an + option number (which it returns). If successful, and if the parameter type indicates the result is a boolean, integer or enum type, the value is converted by this function and - the result stored in result->{boolean,int_32,uint_32}. + the result stored in result->{boolean,int_32,uint_32,uint_64}. If a match isn't initially made, the key is prefixed with "no" and no value is present then an attempt will be made to look up the key with the prefix removed. If this matches a parameter for which the type has flag - fs_param_neg_with_no set, then a match will be made and the value will be - set to false/0/NULL. - - If the parameter is successfully matched and, optionally, parsed - correctly, 1 is returned. If the parameter isn't matched and - parser->ignore_unknown is set, then 0 is returned. Otherwise -EINVAL is - returned. - - (*) bool fs_validate_description(const struct fs_parameter_description *desc); + fs_param_neg_with_no set, then a match will be made and result->negated + will be set to true. - This is validates the parameter description. It returns true if the - description is good and false if it is not. + If the parameter isn't matched, -ENOPARAM will be returned; if the + parameter is matched, but the value is erroneous, -EINVAL will be + returned; otherwise the parameter's option number will be returned. (*) int fs_lookup_param(struct fs_context *fc, struct fs_parameter *value, diff --git a/Documentation/i2c/busses/i2c-i801 b/Documentation/i2c/busses/i2c-i801 index d1ee484a787d..ee9984f35868 100644 --- a/Documentation/i2c/busses/i2c-i801 +++ b/Documentation/i2c/busses/i2c-i801 @@ -36,6 +36,7 @@ Supported adapters: * Intel Cannon Lake (PCH) * Intel Cedar Fork (PCH) * Intel Ice Lake (PCH) + * Intel Comet Lake (PCH) Datasheets: Publicly available at the Intel website On Intel Patsburg and later chipsets, both the normal host SMBus controller diff --git a/Documentation/networking/msg_zerocopy.rst b/Documentation/networking/msg_zerocopy.rst index 18c1415e7bfa..ace56204dd03 100644 --- a/Documentation/networking/msg_zerocopy.rst +++ b/Documentation/networking/msg_zerocopy.rst @@ -50,7 +50,7 @@ the excellent reporting over at LWN.net or read the original code. patchset [PATCH net-next v4 0/9] socket sendmsg MSG_ZEROCOPY - http://lkml.kernel.org/r/20170803202945.70750-1-willemdebruijn.kernel@gmail.com + https://lkml.kernel.org/netdev/20170803202945.70750-1-willemdebruijn.kernel@gmail.com Interface diff --git a/Documentation/networking/netdev-FAQ.rst b/Documentation/networking/netdev-FAQ.rst index 0ac5fa77f501..8c7a713cf657 100644 --- a/Documentation/networking/netdev-FAQ.rst +++ b/Documentation/networking/netdev-FAQ.rst @@ -131,6 +131,19 @@ it to the maintainer to figure out what is the most recent and current version that should be applied. If there is any doubt, the maintainer will reply and ask what should be done. +Q: I made changes to only a few patches in a patch series should I resend only those changed? +-------------------------------------------------------------------------------------------- +A: No, please resend the entire patch series and make sure you do number your +patches such that it is clear this is the latest and greatest set of patches +that can be applied. + +Q: I submitted multiple versions of a patch series and it looks like a version other than the last one has been accepted, what should I do? +------------------------------------------------------------------------------------------------------------------------------------------- +A: There is no revert possible, once it is pushed out, it stays like that. +Please send incremental versions on top of what has been merged in order to fix +the patches the way they would look like if your latest patch series was to be +merged. + Q: How can I tell what patches are queued up for backporting to the various stable releases? -------------------------------------------------------------------------------------------- A: Normally Greg Kroah-Hartman collects stable commits himself, but for diff --git a/Documentation/networking/nf_flowtable.txt b/Documentation/networking/nf_flowtable.txt index 54128c50d508..ca2136c76042 100644 --- a/Documentation/networking/nf_flowtable.txt +++ b/Documentation/networking/nf_flowtable.txt @@ -44,10 +44,10 @@ including the Netfilter hooks and the flowtable fastpath bypass. / \ / \ |Routing | / \ --> ingress ---> prerouting ---> |decision| | postrouting |--> neigh_xmit \_________/ \__________/ ---------- \____________/ ^ - | ^ | | ^ | - flowtable | | ____\/___ | | - | | | / \ | | - __\/___ | --------->| forward |------------ | + | ^ | ^ | + flowtable | ____\/___ | | + | | / \ | | + __\/___ | | forward |------------ | |-----| | \_________/ | |-----| | 'flow offload' rule | |-----| | adds entry to | diff --git a/Documentation/networking/snmp_counter.rst b/Documentation/networking/snmp_counter.rst index 52b026be028f..38a4edc4522b 100644 --- a/Documentation/networking/snmp_counter.rst +++ b/Documentation/networking/snmp_counter.rst @@ -413,7 +413,7 @@ algorithm. .. _F-RTO: https://tools.ietf.org/html/rfc5682 TCP Fast Path -============ +============= When kernel receives a TCP packet, it has two paths to handler the packet, one is fast path, another is slow path. The comment in kernel code provides a good explanation of them, I pasted them below:: @@ -681,6 +681,7 @@ The TCP stack receives an out of order duplicate packet, so it sends a DSACK to the sender. * TcpExtTCPDSACKRecv + The TCP stack receives a DSACK, which indicates an acknowledged duplicate packet is received. @@ -690,7 +691,7 @@ The TCP stack receives a DSACK, which indicate an out of order duplicate packet is received. invalid SACK and DSACK -==================== +====================== When a SACK (or DSACK) block is invalid, a corresponding counter would be updated. The validation method is base on the start/end sequence number of the SACK block. For more details, please refer the comment @@ -704,11 +705,13 @@ explaination: .. _Add counters for discarded SACK blocks: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=18f02545a9a16c9a89778b91a162ad16d510bb32 * TcpExtTCPSACKDiscard + This counter indicates how many SACK blocks are invalid. If the invalid SACK block is caused by ACK recording, the TCP stack will only ignore it and won't update this counter. * TcpExtTCPDSACKIgnoredOld and TcpExtTCPDSACKIgnoredNoUndo + When a DSACK block is invalid, one of these two counters would be updated. Which counter will be updated depends on the undo_marker flag of the TCP socket. If the undo_marker is not set, the TCP stack isn't @@ -719,7 +722,7 @@ will be updated. If the undo_marker is set, TcpExtTCPDSACKIgnoredOld will be updated. As implied in its name, it might be an old packet. SACK shift -========= +========== The linux networking stack stores data in sk_buff struct (skb for short). If a SACK block acrosses multiple skb, the TCP stack will try to re-arrange data in these skb. E.g. if a SACK block acknowledges seq @@ -730,12 +733,15 @@ seq 14 to 20. All data in skb2 will be moved to skb1, and skb2 will be discard, this operation is 'merge'. * TcpExtTCPSackShifted + A skb is shifted * TcpExtTCPSackMerged + A skb is merged * TcpExtTCPSackShiftFallback + A skb should be shifted or merged, but the TCP stack doesn't do it for some reasons. diff --git a/Documentation/virtual/kvm/api.txt b/Documentation/virtual/kvm/api.txt index 7de9eee73fcd..67068c47c591 100644 --- a/Documentation/virtual/kvm/api.txt +++ b/Documentation/virtual/kvm/api.txt @@ -5,25 +5,32 @@ The Definitive KVM (Kernel-based Virtual Machine) API Documentation ---------------------- The kvm API is a set of ioctls that are issued to control various aspects -of a virtual machine. The ioctls belong to three classes +of a virtual machine. The ioctls belong to three classes: - System ioctls: These query and set global attributes which affect the whole kvm subsystem. In addition a system ioctl is used to create - virtual machines + virtual machines. - VM ioctls: These query and set attributes that affect an entire virtual machine, for example memory layout. In addition a VM ioctl is used to - create virtual cpus (vcpus). + create virtual cpus (vcpus) and devices. - Only run VM ioctls from the same process (address space) that was used - to create the VM. + VM ioctls must be issued from the same process (address space) that was + used to create the VM. - vcpu ioctls: These query and set attributes that control the operation of a single virtual cpu. - Only run vcpu ioctls from the same thread that was used to create the - vcpu. + vcpu ioctls should be issued from the same thread that was used to create + the vcpu, except for asynchronous vcpu ioctl that are marked as such in + the documentation. Otherwise, the first ioctl after switching threads + could see a performance impact. + - device ioctls: These query and set attributes that control the operation + of a single device. + + device ioctls must be issued from the same process (address space) that + was used to create the VM. 2. File descriptors ------------------- @@ -32,17 +39,34 @@ The kvm API is centered around file descriptors. An initial open("/dev/kvm") obtains a handle to the kvm subsystem; this handle can be used to issue system ioctls. A KVM_CREATE_VM ioctl on this handle will create a VM file descriptor which can be used to issue VM -ioctls. A KVM_CREATE_VCPU ioctl on a VM fd will create a virtual cpu -and return a file descriptor pointing to it. Finally, ioctls on a vcpu -fd can be used to control the vcpu, including the important task of -actually running guest code. +ioctls. A KVM_CREATE_VCPU or KVM_CREATE_DEVICE ioctl on a VM fd will +create a virtual cpu or device and return a file descriptor pointing to +the new resource. Finally, ioctls on a vcpu or device fd can be used +to control the vcpu or device. For vcpus, this includes the important +task of actually running guest code. In general file descriptors can be migrated among processes by means of fork() and the SCM_RIGHTS facility of unix domain socket. These kinds of tricks are explicitly not supported by kvm. While they will not cause harm to the host, their actual behavior is not guaranteed by -the API. The only supported use is one virtual machine per process, -and one vcpu per thread. +the API. See "General description" for details on the ioctl usage +model that is supported by KVM. + +It is important to note that althought VM ioctls may only be issued from +the process that created the VM, a VM's lifecycle is associated with its +file descriptor, not its creator (process). In other words, the VM and +its resources, *including the associated address space*, are not freed +until the last reference to the VM's file descriptor has been released. +For example, if fork() is issued after ioctl(KVM_CREATE_VM), the VM will +not be freed until both the parent (original) process and its child have +put their references to the VM's file descriptor. + +Because a VM's resources are not freed until the last reference to its +file descriptor is released, creating additional references to a VM via +via fork(), dup(), etc... without careful consideration is strongly +discouraged and may have unwanted side effects, e.g. memory allocated +by and on behalf of the VM's process may not be freed/unaccounted when +the VM is shut down. It is important to note that althought VM ioctls may only be issued from @@ -515,11 +539,15 @@ c) KVM_INTERRUPT_SET_LEVEL Note that any value for 'irq' other than the ones stated above is invalid and incurs unexpected behavior. +This is an asynchronous vcpu ioctl and can be invoked from any thread. + MIPS: Queues an external interrupt to be injected into the virtual CPU. A negative interrupt number dequeues the interrupt. +This is an asynchronous vcpu ioctl and can be invoked from any thread. + 4.17 KVM_DEBUG_GUEST @@ -1086,14 +1114,12 @@ struct kvm_userspace_memory_region { #define KVM_MEM_LOG_DIRTY_PAGES (1UL << 0) #define KVM_MEM_READONLY (1UL << 1) -This ioctl allows the user to create or modify a guest physical memory -slot. When changing an existing slot, it may be moved in the guest -physical memory space, or its flags may be modified. It may not be -resized. Slots may not overlap in guest physical address space. -Bits 0-15 of "slot" specifies the slot id and this value should be -less than the maximum number of user memory slots supported per VM. -The maximum allowed slots can be queried using KVM_CAP_NR_MEMSLOTS, -if this capability is supported by the architecture. +This ioctl allows the user to create, modify or delete a guest physical +memory slot. Bits 0-15 of "slot" specify the slot id and this value +should be less than the maximum number of user memory slots supported per +VM. The maximum allowed slots can be queried using KVM_CAP_NR_MEMSLOTS, +if this capability is supported by the architecture. Slots may not +overlap in guest physical address space. If KVM_CAP_MULTI_ADDRESS_SPACE is available, bits 16-31 of "slot" specifies the address space which is being modified. They must be @@ -1102,6 +1128,10 @@ KVM_CAP_MULTI_ADDRESS_SPACE capability. Slots in separate address spaces are unrelated; the restriction on overlapping slots only applies within each address space. +Deleting a slot is done by passing zero for memory_size. When changing +an existing slot, it may be moved in the guest physical memory space, +or its flags may be modified, but it may not be resized. + Memory for the region is taken starting at the address denoted by the field userspace_addr, which must point at user addressable memory for the entire memory slot size. Any object may back this memory, including @@ -2493,7 +2523,7 @@ KVM_S390_MCHK (vm, vcpu) - machine check interrupt; cr 14 bits in parm, machine checks needing further payload are not supported by this ioctl) -Note that the vcpu ioctl is asynchronous to vcpu execution. +This is an asynchronous vcpu ioctl and can be invoked from any thread. 4.78 KVM_PPC_GET_HTAB_FD @@ -3042,8 +3072,7 @@ KVM_S390_INT_EMERGENCY - sigp emergency; parameters in .emerg KVM_S390_INT_EXTERNAL_CALL - sigp external call; parameters in .extcall KVM_S390_MCHK - machine check interrupt; parameters in .mchk - -Note that the vcpu ioctl is asynchronous to vcpu execution. +This is an asynchronous vcpu ioctl and can be invoked from any thread. 4.94 KVM_S390_GET_IRQ_STATE diff --git a/Documentation/virtual/kvm/mmu.txt b/Documentation/virtual/kvm/mmu.txt index f365102c80f5..2efe0efc516e 100644 --- a/Documentation/virtual/kvm/mmu.txt +++ b/Documentation/virtual/kvm/mmu.txt @@ -142,7 +142,7 @@ Shadow pages contain the following information: If clear, this page corresponds to a guest page table denoted by the gfn field. role.quadrant: - When role.cr4_pae=0, the guest uses 32-bit gptes while the host uses 64-bit + When role.gpte_is_8_bytes=0, the guest uses 32-bit gptes while the host uses 64-bit sptes. That means a guest page table contains more ptes than the host, so multiple shadow pages are needed to shadow one guest page. For first-level shadow pages, role.quadrant can be 0 or 1 and denotes the @@ -158,9 +158,9 @@ Shadow pages contain the following information: The page is invalid and should not be used. It is a root page that is currently pinned (by a cpu hardware register pointing to it); once it is unpinned it will be destroyed. - role.cr4_pae: - Contains the value of cr4.pae for which the page is valid (e.g. whether - 32-bit or 64-bit gptes are in use). + role.gpte_is_8_bytes: + Reflects the size of the guest PTE for which the page is valid, i.e. '1' + if 64-bit gptes are in use, '0' if 32-bit gptes are in use. role.nxe: Contains the value of efer.nxe for which the page is valid. role.cr0_wp: @@ -173,6 +173,9 @@ Shadow pages contain the following information: Contains the value of cr4.smap && !cr0.wp for which the page is valid (pages for which this is true are different from other pages; see the treatment of cr0.wp=0 below). + role.ept_sp: + This is a virtual flag to denote a shadowed nested EPT page. ept_sp + is true if "cr0_wp && smap_andnot_wp", an otherwise invalid combination. role.smm: Is 1 if the page is valid in system management mode. This field determines which of the kvm_memslots array was used to build this diff --git a/MAINTAINERS b/MAINTAINERS index 3606922c64d7..baf7623b01b6 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -2364,7 +2364,7 @@ F: arch/arm/mm/cache-uniphier.c F: arch/arm64/boot/dts/socionext/uniphier* F: drivers/bus/uniphier-system-bus.c F: drivers/clk/uniphier/ -F: drivers/dmaengine/uniphier-mdmac.c +F: drivers/dma/uniphier-mdmac.c F: drivers/gpio/gpio-uniphier.c F: drivers/i2c/busses/i2c-uniphier* F: drivers/irqchip/irq-uniphier-aidet.c @@ -6416,7 +6416,6 @@ L: linux-kernel@vger.kernel.org T: git git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git locking/core S: Maintained F: kernel/futex.c -F: kernel/futex_compat.c F: include/asm-generic/futex.h F: include/linux/futex.h F: include/uapi/linux/futex.h @@ -8104,6 +8103,16 @@ F: include/linux/iommu.h F: include/linux/of_iommu.h F: include/linux/iova.h +IO_URING +M: Jens Axboe <axboe@kernel.dk> +L: linux-block@vger.kernel.org +L: linux-fsdevel@vger.kernel.org +T: git git://git.kernel.dk/linux-block +T: git git://git.kernel.dk/liburing +S: Maintained +F: fs/io_uring.c +F: include/uapi/linux/io_uring.h + IP MASQUERADING M: Juanjo Ciarlante <jjciarla@raiz.uncu.edu.ar> S: Maintained @@ -2,7 +2,7 @@ VERSION = 5 PATCHLEVEL = 1 SUBLEVEL = 0 -EXTRAVERSION = -rc1 +EXTRAVERSION = -rc3 NAME = Shy Crocodile # *DOCUMENTATION* @@ -31,26 +31,12 @@ _all: # descending is started. They are now explicitly listed as the # prepare rule. -# Ugly workaround for Debian make-kpkg: -# make-kpkg directly includes the top Makefile of Linux kernel. In such a case, -# skip sub-make to support debian_* targets in ruleset/kernel_version.mk, but -# displays warning to discourage such abusage. -ifneq ($(word 2, $(MAKEFILE_LIST)),) -$(warning Do not include top Makefile of Linux Kernel) -sub-make-done := 1 -MAKEFLAGS += -rR -endif - -ifneq ($(sub-make-done),1) +ifneq ($(sub_make_done),1) # Do not use make's built-in rules and variables # (this increases performance and avoids hard-to-debug behaviour) MAKEFLAGS += -rR -# 'MAKEFLAGS += -rR' does not become immediately effective for old -# GNU Make versions. Cancel implicit rules for this Makefile. -$(lastword $(MAKEFILE_LIST)): ; - # Avoid funny character set dependencies unexport LC_ALL LC_COLLATE=C @@ -153,6 +139,7 @@ $(if $(KBUILD_OUTPUT),, \ # 'sub-make' below. MAKEFLAGS += --include-dir=$(CURDIR) +need-sub-make := 1 else # Do not print "Entering directory ..." at all for in-tree build. @@ -160,6 +147,18 @@ MAKEFLAGS += --no-print-directory endif # ifneq ($(KBUILD_OUTPUT),) +ifneq ($(filter 3.%,$(MAKE_VERSION)),) +# 'MAKEFLAGS += -rR' does not immediately become effective for GNU Make 3.x +# We need to invoke sub-make to avoid implicit rules in the top Makefile. +need-sub-make := 1 +# Cancel implicit rules for this Makefile. +$(lastword $(MAKEFILE_LIST)): ; +endif + +export sub_make_done := 1 + +ifeq ($(need-sub-make),1) + PHONY += $(MAKECMDGOALS) sub-make $(filter-out _all sub-make $(CURDIR)/Makefile, $(MAKECMDGOALS)) _all: sub-make @@ -167,12 +166,15 @@ $(filter-out _all sub-make $(CURDIR)/Makefile, $(MAKECMDGOALS)) _all: sub-make # Invoke a second make in the output directory, passing relevant variables sub-make: - $(Q)$(MAKE) sub-make-done=1 \ + $(Q)$(MAKE) \ $(if $(KBUILD_OUTPUT),-C $(KBUILD_OUTPUT) KBUILD_SRC=$(CURDIR)) \ -f $(CURDIR)/Makefile $(filter-out _all sub-make,$(MAKECMDGOALS)) -else # sub-make-done +endif # need-sub-make +endif # sub_make_done + # We process the rest of the Makefile if this is the final invocation of make +ifeq ($(need-sub-make),) # Do not print "Entering directory ...", # but we want to display it when entering to the output directory @@ -497,7 +499,8 @@ outputmakefile: ifneq ($(KBUILD_SRC),) $(Q)ln -fsn $(srctree) source $(Q)$(CONFIG_SHELL) $(srctree)/scripts/mkmakefile $(srctree) - $(Q){ echo "# this is build directory, ignore it"; echo "*"; } > .gitignore + $(Q)test -e .gitignore || \ + { echo "# this is build directory, ignore it"; echo "*"; } > .gitignore endif ifneq ($(shell $(CC) --version 2>&1 | head -n 1 | grep clang),) @@ -677,7 +680,7 @@ KBUILD_CFLAGS += $(call cc-disable-warning, format-overflow) KBUILD_CFLAGS += $(call cc-disable-warning, int-in-bool-context) ifdef CONFIG_CC_OPTIMIZE_FOR_SIZE -KBUILD_CFLAGS += $(call cc-option,-Oz,-Os) +KBUILD_CFLAGS += -Os else KBUILD_CFLAGS += -O2 endif @@ -950,9 +953,11 @@ mod_sign_cmd = true endif export mod_sign_cmd +HOST_LIBELF_LIBS = $(shell pkg-config libelf --libs 2>/dev/null || echo -lelf) + ifdef CONFIG_STACK_VALIDATION has_libelf := $(call try-run,\ - echo "int main() {}" | $(HOSTCC) -xc -o /dev/null -lelf -,1,0) + echo "int main() {}" | $(HOSTCC) -xc -o /dev/null $(HOST_LIBELF_LIBS) -,1,0) ifeq ($(has_libelf),1) objtool_target := tools/objtool FORCE else @@ -1757,7 +1762,7 @@ existing-targets := $(wildcard $(sort $(targets))) endif # ifeq ($(config-targets),1) endif # ifeq ($(mixed-targets),1) -endif # sub-make-done +endif # need-sub-make PHONY += FORCE FORCE: diff --git a/arch/alpha/include/asm/Kbuild b/arch/alpha/include/asm/Kbuild index dc0ab28baca1..70b783333965 100644 --- a/arch/alpha/include/asm/Kbuild +++ b/arch/alpha/include/asm/Kbuild @@ -6,6 +6,7 @@ generic-y += exec.h generic-y += export.h generic-y += fb.h generic-y += irq_work.h +generic-y += kvm_para.h generic-y += mcs_spinlock.h generic-y += mm-arch-hooks.h generic-y += preempt.h diff --git a/arch/alpha/include/uapi/asm/kvm_para.h b/arch/alpha/include/uapi/asm/kvm_para.h deleted file mode 100644 index baacc4996d18..000000000000 --- a/arch/alpha/include/uapi/asm/kvm_para.h +++ /dev/null @@ -1,2 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ -#include <asm-generic/kvm_para.h> diff --git a/arch/arc/Kconfig b/arch/arc/Kconfig index df55672c59e6..c781e45d1d99 100644 --- a/arch/arc/Kconfig +++ b/arch/arc/Kconfig @@ -144,11 +144,11 @@ config ARC_CPU_770 Support for ARC770 core introduced with Rel 4.10 (Summer 2011) This core has a bunch of cool new features: -MMU-v3: Variable Page Sz (4k, 8k, 16k), bigger J-TLB (128x4) - Shared Address Spaces (for sharing TLB entries in MMU) + Shared Address Spaces (for sharing TLB entries in MMU) -Caches: New Prog Model, Region Flush -Insns: endian swap, load-locked/store-conditional, time-stamp-ctr -endif #ISA_ARCOMPACT +endif #ISA_ARCOMPACT config ARC_CPU_HS bool "ARC-HS" @@ -198,7 +198,7 @@ config ARC_SMP_HALT_ON_RESET at designated entry point. For other case, all jump to common entry point and spin wait for Master's signal. -endif #SMP +endif #SMP config ARC_MCIP bool "ARConnect Multicore IP (MCIP) Support " @@ -249,7 +249,7 @@ config ARC_CACHE_VIPT_ALIASING bool "Support VIPT Aliasing D$" depends on ARC_HAS_DCACHE && ISA_ARCOMPACT -endif #ARC_CACHE +endif #ARC_CACHE config ARC_HAS_ICCM bool "Use ICCM" @@ -370,7 +370,7 @@ config ARC_FPU_SAVE_RESTORE based on actual usage of FPU by a task. Thus our implemn does this for all tasks in system. -endif #ISA_ARCOMPACT +endif #ISA_ARCOMPACT config ARC_CANT_LLSC def_bool n @@ -386,6 +386,15 @@ config ARC_HAS_SWAPE if ISA_ARCV2 +config ARC_USE_UNALIGNED_MEM_ACCESS + bool "Enable unaligned access in HW" + default y + select HAVE_EFFICIENT_UNALIGNED_ACCESS + help + The ARC HS architecture supports unaligned memory access + which is disabled by default. Enable unaligned access in + hardware and use software to use it + config ARC_HAS_LL64 bool "Insn: 64bit LDD/STD" help @@ -414,7 +423,7 @@ config ARC_IRQ_NO_AUTOSAVE This is programmable and can be optionally disabled in which case software INTERRUPT_PROLOGUE/EPILGUE do the needed work -endif # ISA_ARCV2 +endif # ISA_ARCV2 endmenu # "ARC CPU Configuration" diff --git a/arch/arc/Makefile b/arch/arc/Makefile index df00578c279d..e2b991f75bc5 100644 --- a/arch/arc/Makefile +++ b/arch/arc/Makefile @@ -28,6 +28,12 @@ cflags-$(CONFIG_ARC_HAS_SWAPE) += -mswape ifdef CONFIG_ISA_ARCV2 +ifdef CONFIG_ARC_USE_UNALIGNED_MEM_ACCESS +cflags-y += -munaligned-access +else +cflags-y += -mno-unaligned-access +endif + ifndef CONFIG_ARC_HAS_LL64 cflags-y += -mno-ll64 endif diff --git a/arch/arc/boot/dts/abilis_tb100.dtsi b/arch/arc/boot/dts/abilis_tb100.dtsi index 02410b211433..c0bcd97522bb 100644 --- a/arch/arc/boot/dts/abilis_tb100.dtsi +++ b/arch/arc/boot/dts/abilis_tb100.dtsi @@ -38,7 +38,7 @@ clock-div = <6>; }; - iomux: iomux@FF10601c { + iomux: iomux@ff10601c { /* Port 1 */ pctl_tsin_s0: pctl-tsin-s0 { /* Serial TS-in 0 */ abilis,function = "mis0"; @@ -162,182 +162,182 @@ }; }; - gpioa: gpio@FF140000 { + gpioa: gpio@ff140000 { compatible = "abilis,tb10x-gpio"; interrupt-controller; #interrupt-cells = <1>; interrupt-parent = <&tb10x_ictl>; interrupts = <27 2>; - reg = <0xFF140000 0x1000>; + reg = <0xff140000 0x1000>; gpio-controller; #gpio-cells = <2>; abilis,ngpio = <3>; gpio-ranges = <&iomux 0 0 0>; gpio-ranges-group-names = "gpioa"; }; - gpiob: gpio@FF141000 { + gpiob: gpio@ff141000 { compatible = "abilis,tb10x-gpio"; interrupt-controller; #interrupt-cells = <1>; interrupt-parent = <&tb10x_ictl>; interrupts = <27 2>; - reg = <0xFF141000 0x1000>; + reg = <0xff141000 0x1000>; gpio-controller; #gpio-cells = <2>; abilis,ngpio = <2>; gpio-ranges = <&iomux 0 0 0>; gpio-ranges-group-names = "gpiob"; }; - gpioc: gpio@FF142000 { + gpioc: gpio@ff142000 { compatible = "abilis,tb10x-gpio"; interrupt-controller; #interrupt-cells = <1>; interrupt-parent = <&tb10x_ictl>; interrupts = <27 2>; - reg = <0xFF142000 0x1000>; + reg = <0xff142000 0x1000>; gpio-controller; #gpio-cells = <2>; abilis,ngpio = <3>; gpio-ranges = <&iomux 0 0 0>; gpio-ranges-group-names = "gpioc"; }; - gpiod: gpio@FF143000 { + gpiod: gpio@ff143000 { compatible = "abilis,tb10x-gpio"; interrupt-controller; #interrupt-cells = <1>; interrupt-parent = <&tb10x_ictl>; interrupts = <27 2>; - reg = <0xFF143000 0x1000>; + reg = <0xff143000 0x1000>; gpio-controller; #gpio-cells = <2>; abilis,ngpio = <2>; gpio-ranges = <&iomux 0 0 0>; gpio-ranges-group-names = "gpiod"; }; - gpioe: gpio@FF144000 { + gpioe: gpio@ff144000 { compatible = "abilis,tb10x-gpio"; interrupt-controller; #interrupt-cells = <1>; interrupt-parent = <&tb10x_ictl>; interrupts = <27 2>; - reg = <0xFF144000 0x1000>; + reg = <0xff144000 0x1000>; gpio-controller; #gpio-cells = <2>; abilis,ngpio = <3>; gpio-ranges = <&iomux 0 0 0>; gpio-ranges-group-names = "gpioe"; }; - gpiof: gpio@FF145000 { + gpiof: gpio@ff145000 { compatible = "abilis,tb10x-gpio"; interrupt-controller; #interrupt-cells = <1>; interrupt-parent = <&tb10x_ictl>; interrupts = <27 2>; - reg = <0xFF145000 0x1000>; + reg = <0xff145000 0x1000>; gpio-controller; #gpio-cells = <2>; abilis,ngpio = <2>; gpio-ranges = <&iomux 0 0 0>; gpio-ranges-group-names = "gpiof"; }; - gpiog: gpio@FF146000 { + gpiog: gpio@ff146000 { compatible = "abilis,tb10x-gpio"; interrupt-controller; #interrupt-cells = <1>; interrupt-parent = <&tb10x_ictl>; interrupts = <27 2>; - reg = <0xFF146000 0x1000>; + reg = <0xff146000 0x1000>; gpio-controller; #gpio-cells = <2>; abilis,ngpio = <3>; gpio-ranges = <&iomux 0 0 0>; gpio-ranges-group-names = "gpiog"; }; - gpioh: gpio@FF147000 { + gpioh: gpio@ff147000 { compatible = "abilis,tb10x-gpio"; interrupt-controller; #interrupt-cells = <1>; interrupt-parent = <&tb10x_ictl>; interrupts = <27 2>; - reg = <0xFF147000 0x1000>; + reg = <0xff147000 0x1000>; gpio-controller; #gpio-cells = <2>; abilis,ngpio = <2>; gpio-ranges = <&iomux 0 0 0>; gpio-ranges-group-names = "gpioh"; }; - gpioi: gpio@FF148000 { + gpioi: gpio@ff148000 { compatible = "abilis,tb10x-gpio"; interrupt-controller; #interrupt-cells = <1>; interrupt-parent = <&tb10x_ictl>; interrupts = <27 2>; - reg = <0xFF148000 0x1000>; + reg = <0xff148000 0x1000>; gpio-controller; #gpio-cells = <2>; abilis,ngpio = <12>; gpio-ranges = <&iomux 0 0 0>; gpio-ranges-group-names = "gpioi"; }; - gpioj: gpio@FF149000 { + gpioj: gpio@ff149000 { compatible = "abilis,tb10x-gpio"; interrupt-controller; #interrupt-cells = <1>; interrupt-parent = <&tb10x_ictl>; interrupts = <27 2>; - reg = <0xFF149000 0x1000>; + reg = <0xff149000 0x1000>; gpio-controller; #gpio-cells = <2>; abilis,ngpio = <32>; gpio-ranges = <&iomux 0 0 0>; gpio-ranges-group-names = "gpioj"; }; - gpiok: gpio@FF14a000 { + gpiok: gpio@ff14a000 { compatible = "abilis,tb10x-gpio"; interrupt-controller; #interrupt-cells = <1>; interrupt-parent = <&tb10x_ictl>; interrupts = <27 2>; - reg = <0xFF14A000 0x1000>; + reg = <0xff14a000 0x1000>; gpio-controller; #gpio-cells = <2>; abilis,ngpio = <22>; gpio-ranges = <&iomux 0 0 0>; gpio-ranges-group-names = "gpiok"; }; - gpiol: gpio@FF14b000 { + gpiol: gpio@ff14b000 { compatible = "abilis,tb10x-gpio"; interrupt-controller; #interrupt-cells = <1>; interrupt-parent = <&tb10x_ictl>; interrupts = <27 2>; - reg = <0xFF14B000 0x1000>; + reg = <0xff14b000 0x1000>; gpio-controller; #gpio-cells = <2>; abilis,ngpio = <4>; gpio-ranges = <&iomux 0 0 0>; gpio-ranges-group-names = "gpiol"; }; - gpiom: gpio@FF14c000 { + gpiom: gpio@ff14c000 { compatible = "abilis,tb10x-gpio"; interrupt-controller; #interrupt-cells = <1>; interrupt-parent = <&tb10x_ictl>; interrupts = <27 2>; - reg = <0xFF14C000 0x1000>; + reg = <0xff14c000 0x1000>; gpio-controller; #gpio-cells = <2>; abilis,ngpio = <4>; gpio-ranges = <&iomux 0 0 0>; gpio-ranges-group-names = "gpiom"; }; - gpion: gpio@FF14d000 { + gpion: gpio@ff14d000 { compatible = "abilis,tb10x-gpio"; interrupt-controller; #interrupt-cells = <1>; interrupt-parent = <&tb10x_ictl>; interrupts = <27 2>; - reg = <0xFF14D000 0x1000>; + reg = <0xff14d000 0x1000>; gpio-controller; #gpio-cells = <2>; abilis,ngpio = <5>; diff --git a/arch/arc/boot/dts/abilis_tb100_dvk.dts b/arch/arc/boot/dts/abilis_tb100_dvk.dts index 3acf04db8030..c968e677db46 100644 --- a/arch/arc/boot/dts/abilis_tb100_dvk.dts +++ b/arch/arc/boot/dts/abilis_tb100_dvk.dts @@ -37,27 +37,27 @@ }; soc100 { - uart@FF100000 { + uart@ff100000 { pinctrl-names = "default"; pinctrl-0 = <&pctl_uart0>; }; - ethernet@FE100000 { + ethernet@fe100000 { phy-mode = "rgmii"; }; - i2c0: i2c@FF120000 { + i2c0: i2c@ff120000 { i2c-sda-hold-time-ns = <432>; }; - i2c1: i2c@FF121000 { + i2c1: i2c@ff121000 { i2c-sda-hold-time-ns = <432>; }; - i2c2: i2c@FF122000 { + i2c2: i2c@ff122000 { i2c-sda-hold-time-ns = <432>; }; - i2c3: i2c@FF123000 { + i2c3: i2c@ff123000 { i2c-sda-hold-time-ns = <432>; }; - i2c4: i2c@FF124000 { + i2c4: i2c@ff124000 { i2c-sda-hold-time-ns = <432>; }; diff --git a/arch/arc/boot/dts/abilis_tb101.dtsi b/arch/arc/boot/dts/abilis_tb101.dtsi index f9e7686044eb..6a1615f58f05 100644 --- a/arch/arc/boot/dts/abilis_tb101.dtsi +++ b/arch/arc/boot/dts/abilis_tb101.dtsi @@ -38,7 +38,7 @@ clock-div = <6>; }; - iomux: iomux@FF10601c { + iomux: iomux@ff10601c { /* Port 1 */ pctl_tsin_s0: pctl-tsin-s0 { /* Serial TS-in 0 */ abilis,function = "mis0"; @@ -171,182 +171,182 @@ }; }; - gpioa: gpio@FF140000 { + gpioa: gpio@ff140000 { compatible = "abilis,tb10x-gpio"; interrupt-controller; #interrupt-cells = <1>; interrupt-parent = <&tb10x_ictl>; interrupts = <27 2>; - reg = <0xFF140000 0x1000>; + reg = <0xff140000 0x1000>; gpio-controller; #gpio-cells = <2>; abilis,ngpio = <3>; gpio-ranges = <&iomux 0 0 0>; gpio-ranges-group-names = "gpioa"; }; - gpiob: gpio@FF141000 { + gpiob: gpio@ff141000 { compatible = "abilis,tb10x-gpio"; interrupt-controller; #interrupt-cells = <1>; interrupt-parent = <&tb10x_ictl>; interrupts = <27 2>; - reg = <0xFF141000 0x1000>; + reg = <0xff141000 0x1000>; gpio-controller; #gpio-cells = <2>; abilis,ngpio = <2>; gpio-ranges = <&iomux 0 0 0>; gpio-ranges-group-names = "gpiob"; }; - gpioc: gpio@FF142000 { + gpioc: gpio@ff142000 { compatible = "abilis,tb10x-gpio"; interrupt-controller; #interrupt-cells = <1>; interrupt-parent = <&tb10x_ictl>; interrupts = <27 2>; - reg = <0xFF142000 0x1000>; + reg = <0xff142000 0x1000>; gpio-controller; #gpio-cells = <2>; abilis,ngpio = <3>; gpio-ranges = <&iomux 0 0 0>; gpio-ranges-group-names = "gpioc"; }; - gpiod: gpio@FF143000 { + gpiod: gpio@ff143000 { compatible = "abilis,tb10x-gpio"; interrupt-controller; #interrupt-cells = <1>; interrupt-parent = <&tb10x_ictl>; interrupts = <27 2>; - reg = <0xFF143000 0x1000>; + reg = <0xff143000 0x1000>; gpio-controller; #gpio-cells = <2>; abilis,ngpio = <2>; gpio-ranges = <&iomux 0 0 0>; gpio-ranges-group-names = "gpiod"; }; - gpioe: gpio@FF144000 { + gpioe: gpio@ff144000 { compatible = "abilis,tb10x-gpio"; interrupt-controller; #interrupt-cells = <1>; interrupt-parent = <&tb10x_ictl>; interrupts = <27 2>; - reg = <0xFF144000 0x1000>; + reg = <0xff144000 0x1000>; gpio-controller; #gpio-cells = <2>; abilis,ngpio = <3>; gpio-ranges = <&iomux 0 0 0>; gpio-ranges-group-names = "gpioe"; }; - gpiof: gpio@FF145000 { + gpiof: gpio@ff145000 { compatible = "abilis,tb10x-gpio"; interrupt-controller; #interrupt-cells = <1>; interrupt-parent = <&tb10x_ictl>; interrupts = <27 2>; - reg = <0xFF145000 0x1000>; + reg = <0xff145000 0x1000>; gpio-controller; #gpio-cells = <2>; abilis,ngpio = <2>; gpio-ranges = <&iomux 0 0 0>; gpio-ranges-group-names = "gpiof"; }; - gpiog: gpio@FF146000 { + gpiog: gpio@ff146000 { compatible = "abilis,tb10x-gpio"; interrupt-controller; #interrupt-cells = <1>; interrupt-parent = <&tb10x_ictl>; interrupts = <27 2>; - reg = <0xFF146000 0x1000>; + reg = <0xff146000 0x1000>; gpio-controller; #gpio-cells = <2>; abilis,ngpio = <3>; gpio-ranges = <&iomux 0 0 0>; gpio-ranges-group-names = "gpiog"; }; - gpioh: gpio@FF147000 { + gpioh: gpio@ff147000 { compatible = "abilis,tb10x-gpio"; interrupt-controller; #interrupt-cells = <1>; interrupt-parent = <&tb10x_ictl>; interrupts = <27 2>; - reg = <0xFF147000 0x1000>; + reg = <0xff147000 0x1000>; gpio-controller; #gpio-cells = <2>; abilis,ngpio = <2>; gpio-ranges = <&iomux 0 0 0>; gpio-ranges-group-names = "gpioh"; }; - gpioi: gpio@FF148000 { + gpioi: gpio@ff148000 { compatible = "abilis,tb10x-gpio"; interrupt-controller; #interrupt-cells = <1>; interrupt-parent = <&tb10x_ictl>; interrupts = <27 2>; - reg = <0xFF148000 0x1000>; + reg = <0xff148000 0x1000>; gpio-controller; #gpio-cells = <2>; abilis,ngpio = <12>; gpio-ranges = <&iomux 0 0 0>; gpio-ranges-group-names = "gpioi"; }; - gpioj: gpio@FF149000 { + gpioj: gpio@ff149000 { compatible = "abilis,tb10x-gpio"; interrupt-controller; #interrupt-cells = <1>; interrupt-parent = <&tb10x_ictl>; interrupts = <27 2>; - reg = <0xFF149000 0x1000>; + reg = <0xff149000 0x1000>; gpio-controller; #gpio-cells = <2>; abilis,ngpio = <32>; gpio-ranges = <&iomux 0 0 0>; gpio-ranges-group-names = "gpioj"; }; - gpiok: gpio@FF14a000 { + gpiok: gpio@ff14a000 { compatible = "abilis,tb10x-gpio"; interrupt-controller; #interrupt-cells = <1>; interrupt-parent = <&tb10x_ictl>; interrupts = <27 2>; - reg = <0xFF14A000 0x1000>; + reg = <0xff14a000 0x1000>; gpio-controller; #gpio-cells = <2>; abilis,ngpio = <22>; gpio-ranges = <&iomux 0 0 0>; gpio-ranges-group-names = "gpiok"; }; - gpiol: gpio@FF14b000 { + gpiol: gpio@ff14b000 { compatible = "abilis,tb10x-gpio"; interrupt-controller; #interrupt-cells = <1>; interrupt-parent = <&tb10x_ictl>; interrupts = <27 2>; - reg = <0xFF14B000 0x1000>; + reg = <0xff14b000 0x1000>; gpio-controller; #gpio-cells = <2>; abilis,ngpio = <4>; gpio-ranges = <&iomux 0 0 0>; gpio-ranges-group-names = "gpiol"; }; - gpiom: gpio@FF14c000 { + gpiom: gpio@ff14c000 { compatible = "abilis,tb10x-gpio"; interrupt-controller; #interrupt-cells = <1>; interrupt-parent = <&tb10x_ictl>; interrupts = <27 2>; - reg = <0xFF14C000 0x1000>; + reg = <0xff14c000 0x1000>; gpio-controller; #gpio-cells = <2>; abilis,ngpio = <4>; gpio-ranges = <&iomux 0 0 0>; gpio-ranges-group-names = "gpiom"; }; - gpion: gpio@FF14d000 { + gpion: gpio@ff14d000 { compatible = "abilis,tb10x-gpio"; interrupt-controller; #interrupt-cells = <1>; interrupt-parent = <&tb10x_ictl>; interrupts = <27 2>; - reg = <0xFF14D000 0x1000>; + reg = <0xff14d000 0x1000>; gpio-controller; #gpio-cells = <2>; abilis,ngpio = <5>; diff --git a/arch/arc/boot/dts/abilis_tb101_dvk.dts b/arch/arc/boot/dts/abilis_tb101_dvk.dts index 37d88c5dd181..05143ce9c120 100644 --- a/arch/arc/boot/dts/abilis_tb101_dvk.dts +++ b/arch/arc/boot/dts/abilis_tb101_dvk.dts @@ -37,27 +37,27 @@ }; soc100 { - uart@FF100000 { + uart@ff100000 { pinctrl-names = "default"; pinctrl-0 = <&pctl_uart0>; }; - ethernet@FE100000 { + ethernet@fe100000 { phy-mode = "rgmii"; }; - i2c0: i2c@FF120000 { + i2c0: i2c@ff120000 { i2c-sda-hold-time-ns = <432>; }; - i2c1: i2c@FF121000 { + i2c1: i2c@ff121000 { i2c-sda-hold-time-ns = <432>; }; - i2c2: i2c@FF122000 { + i2c2: i2c@ff122000 { i2c-sda-hold-time-ns = <432>; }; - i2c3: i2c@FF123000 { + i2c3: i2c@ff123000 { i2c-sda-hold-time-ns = <432>; }; - i2c4: i2c@FF124000 { + i2c4: i2c@ff124000 { i2c-sda-hold-time-ns = <432>; }; diff --git a/arch/arc/boot/dts/abilis_tb10x.dtsi b/arch/arc/boot/dts/abilis_tb10x.dtsi index 3121536b25a3..2fbf1bdfe6de 100644 --- a/arch/arc/boot/dts/abilis_tb10x.dtsi +++ b/arch/arc/boot/dts/abilis_tb10x.dtsi @@ -54,7 +54,7 @@ #size-cells = <1>; device_type = "soc"; ranges = <0xfe000000 0xfe000000 0x02000000 - 0x000F0000 0x000F0000 0x00010000>; + 0x000f0000 0x000f0000 0x00010000>; compatible = "abilis,tb10x", "simple-bus"; pll0: oscillator { @@ -75,10 +75,10 @@ clock-output-names = "ahb_clk"; }; - iomux: iomux@FF10601c { + iomux: iomux@ff10601c { compatible = "abilis,tb10x-iomux"; #gpio-range-cells = <3>; - reg = <0xFF10601c 0x4>; + reg = <0xff10601c 0x4>; }; intc: interrupt-controller { @@ -88,7 +88,7 @@ }; tb10x_ictl: pic@fe002000 { compatible = "abilis,tb10x-ictl"; - reg = <0xFE002000 0x20>; + reg = <0xfe002000 0x20>; interrupt-controller; #interrupt-cells = <2>; interrupt-parent = <&intc>; @@ -96,27 +96,27 @@ 20 21 22 23 24 25 26 27 28 29 30 31>; }; - uart@FF100000 { + uart@ff100000 { compatible = "snps,dw-apb-uart"; - reg = <0xFF100000 0x100>; + reg = <0xff100000 0x100>; clock-frequency = <166666666>; interrupts = <25 8>; reg-shift = <2>; reg-io-width = <4>; interrupt-parent = <&tb10x_ictl>; }; - ethernet@FE100000 { + ethernet@fe100000 { compatible = "snps,dwmac-3.70a","snps,dwmac"; - reg = <0xFE100000 0x1058>; + reg = <0xfe100000 0x1058>; interrupt-parent = <&tb10x_ictl>; interrupts = <6 8>; interrupt-names = "macirq"; clocks = <&ahb_clk>; clock-names = "stmmaceth"; }; - dma@FE000000 { + dma@fe000000 { compatible = "snps,dma-spear1340"; - reg = <0xFE000000 0x400>; + reg = <0xfe000000 0x400>; interrupt-parent = <&tb10x_ictl>; interrupts = <14 8>; dma-channels = <6>; @@ -132,70 +132,70 @@ multi-block = <1 1 1 1 1 1>; }; - i2c0: i2c@FF120000 { + i2c0: i2c@ff120000 { #address-cells = <1>; #size-cells = <0>; compatible = "snps,designware-i2c"; - reg = <0xFF120000 0x1000>; + reg = <0xff120000 0x1000>; interrupt-parent = <&tb10x_ictl>; interrupts = <12 8>; clocks = <&ahb_clk>; }; - i2c1: i2c@FF121000 { + i2c1: i2c@ff121000 { #address-cells = <1>; #size-cells = <0>; compatible = "snps,designware-i2c"; - reg = <0xFF121000 0x1000>; + reg = <0xff121000 0x1000>; interrupt-parent = <&tb10x_ictl>; interrupts = <12 8>; clocks = <&ahb_clk>; }; - i2c2: i2c@FF122000 { + i2c2: i2c@ff122000 { #address-cells = <1>; #size-cells = <0>; compatible = "snps,designware-i2c"; - reg = <0xFF122000 0x1000>; + reg = <0xff122000 0x1000>; interrupt-parent = <&tb10x_ictl>; interrupts = <12 8>; clocks = <&ahb_clk>; }; - i2c3: i2c@FF123000 { + i2c3: i2c@ff123000 { #address-cells = <1>; #size-cells = <0>; compatible = "snps,designware-i2c"; - reg = <0xFF123000 0x1000>; + reg = <0xff123000 0x1000>; interrupt-parent = <&tb10x_ictl>; interrupts = <12 8>; clocks = <&ahb_clk>; }; - i2c4: i2c@FF124000 { + i2c4: i2c@ff124000 { #address-cells = <1>; #size-cells = <0>; compatible = "snps,designware-i2c"; - reg = <0xFF124000 0x1000>; + reg = <0xff124000 0x1000>; interrupt-parent = <&tb10x_ictl>; interrupts = <12 8>; clocks = <&ahb_clk>; }; - spi0: spi@0xFE010000 { + spi0: spi@fe010000 { #address-cells = <1>; #size-cells = <0>; cell-index = <0>; compatible = "abilis,tb100-spi"; num-cs = <1>; - reg = <0xFE010000 0x20>; + reg = <0xfe010000 0x20>; interrupt-parent = <&tb10x_ictl>; interrupts = <26 8>; clocks = <&ahb_clk>; }; - spi1: spi@0xFE011000 { + spi1: spi@fe011000 { #address-cells = <1>; #size-cells = <0>; cell-index = <1>; compatible = "abilis,tb100-spi"; num-cs = <2>; - reg = <0xFE011000 0x20>; + reg = <0xfe011000 0x20>; interrupt-parent = <&tb10x_ictl>; interrupts = <10 8>; clocks = <&ahb_clk>; @@ -226,23 +226,23 @@ interrupts = <20 2>, <19 2>; interrupt-names = "cmd_irq", "event_irq"; }; - tb10x_mdsc0: tb10x-mdscr@FF300000 { + tb10x_mdsc0: tb10x-mdscr@ff300000 { compatible = "abilis,tb100-mdscr"; - reg = <0xFF300000 0x7000>; + reg = <0xff300000 0x7000>; tb100-mdscr-manage-tsin; }; - tb10x_mscr0: tb10x-mdscr@FF307000 { + tb10x_mscr0: tb10x-mdscr@ff307000 { compatible = "abilis,tb100-mdscr"; - reg = <0xFF307000 0x7000>; + reg = <0xff307000 0x7000>; }; tb10x_scr0: tb10x-mdscr@ff30e000 { compatible = "abilis,tb100-mdscr"; - reg = <0xFF30e000 0x4000>; + reg = <0xff30e000 0x4000>; tb100-mdscr-manage-tsin; }; tb10x_scr1: tb10x-mdscr@ff312000 { compatible = "abilis,tb100-mdscr"; - reg = <0xFF312000 0x4000>; + reg = <0xff312000 0x4000>; tb100-mdscr-manage-tsin; }; tb10x_wfb: tb10x-wfb@ff319000 { diff --git a/arch/arc/boot/dts/axc001.dtsi b/arch/arc/boot/dts/axc001.dtsi index fdc266504ada..37be3bf03ad6 100644 --- a/arch/arc/boot/dts/axc001.dtsi +++ b/arch/arc/boot/dts/axc001.dtsi @@ -41,7 +41,7 @@ * this GPIO block ORs all interrupts on CPU card (creg,..) * to uplink only 1 IRQ to ARC core intc */ - dw-apb-gpio@0x2000 { + dw-apb-gpio@2000 { compatible = "snps,dw-apb-gpio"; reg = < 0x2000 0x80 >; #address-cells = <1>; @@ -60,7 +60,7 @@ }; }; - debug_uart: dw-apb-uart@0x5000 { + debug_uart: dw-apb-uart@5000 { compatible = "snps,dw-apb-uart"; reg = <0x5000 0x100>; clock-frequency = <33333000>; @@ -88,7 +88,7 @@ * avoid duplicating the MB dtsi file given that IRQ from * this intc to cpu intc are different for axs101 and axs103 */ - mb_intc: dw-apb-ictl@0xe0012000 { + mb_intc: dw-apb-ictl@e0012000 { #interrupt-cells = <1>; compatible = "snps,dw-apb-ictl"; reg = < 0x0 0xe0012000 0x0 0x200 >; diff --git a/arch/arc/boot/dts/axc003.dtsi b/arch/arc/boot/dts/axc003.dtsi index d75d65ddf8e3..effa37536d7a 100644 --- a/arch/arc/boot/dts/axc003.dtsi +++ b/arch/arc/boot/dts/axc003.dtsi @@ -55,7 +55,7 @@ * this GPIO block ORs all interrupts on CPU card (creg,..) * to uplink only 1 IRQ to ARC core intc */ - dw-apb-gpio@0x2000 { + dw-apb-gpio@2000 { compatible = "snps,dw-apb-gpio"; reg = < 0x2000 0x80 >; #address-cells = <1>; @@ -74,7 +74,7 @@ }; }; - debug_uart: dw-apb-uart@0x5000 { + debug_uart: dw-apb-uart@5000 { compatible = "snps,dw-apb-uart"; reg = <0x5000 0x100>; clock-frequency = <33333000>; @@ -102,19 +102,19 @@ * external DMA buffer located outside of IOC aperture. */ axs10x_mb { - ethernet@0x18000 { + ethernet@18000 { dma-coherent; }; - ehci@0x40000 { + ehci@40000 { dma-coherent; }; - ohci@0x60000 { + ohci@60000 { dma-coherent; }; - mmc@0x15000 { + mmc@15000 { dma-coherent; }; }; @@ -132,7 +132,7 @@ * avoid duplicating the MB dtsi file given that IRQ from * this intc to cpu intc are different for axs101 and axs103 */ - mb_intc: dw-apb-ictl@0xe0012000 { + mb_intc: dw-apb-ictl@e0012000 { #interrupt-cells = <1>; compatible = "snps,dw-apb-ictl"; reg = < 0x0 0xe0012000 0x0 0x200 >; @@ -153,7 +153,7 @@ #size-cells = <2>; ranges; /* - * Move frame buffer out of IOC aperture (0x8z-0xAz). + * Move frame buffer out of IOC aperture (0x8z-0xaz). */ frame_buffer: frame_buffer@be000000 { compatible = "shared-dma-pool"; diff --git a/arch/arc/boot/dts/axc003_idu.dtsi b/arch/arc/boot/dts/axc003_idu.dtsi index a05bb737ea63..e401e59f6180 100644 --- a/arch/arc/boot/dts/axc003_idu.dtsi +++ b/arch/arc/boot/dts/axc003_idu.dtsi @@ -62,7 +62,7 @@ * this GPIO block ORs all interrupts on CPU card (creg,..) * to uplink only 1 IRQ to ARC core intc */ - dw-apb-gpio@0x2000 { + dw-apb-gpio@2000 { compatible = "snps,dw-apb-gpio"; reg = < 0x2000 0x80 >; #address-cells = <1>; @@ -81,7 +81,7 @@ }; }; - debug_uart: dw-apb-uart@0x5000 { + debug_uart: dw-apb-uart@5000 { compatible = "snps,dw-apb-uart"; reg = <0x5000 0x100>; clock-frequency = <33333000>; @@ -109,19 +109,19 @@ * external DMA buffer located outside of IOC aperture. */ axs10x_mb { - ethernet@0x18000 { + ethernet@18000 { dma-coherent; }; - ehci@0x40000 { + ehci@40000 { dma-coherent; }; - ohci@0x60000 { + ohci@60000 { dma-coherent; }; - mmc@0x15000 { + mmc@15000 { dma-coherent; }; }; @@ -138,7 +138,7 @@ * avoid duplicating the MB dtsi file given that IRQ from * this intc to cpu intc are different for axs101 and axs103 */ - mb_intc: dw-apb-ictl@0xe0012000 { + mb_intc: dw-apb-ictl@e0012000 { #interrupt-cells = <1>; compatible = "snps,dw-apb-ictl"; reg = < 0x0 0xe0012000 0x0 0x200 >; @@ -159,7 +159,7 @@ #size-cells = <2>; ranges; /* - * Move frame buffer out of IOC aperture (0x8z-0xAz). + * Move frame buffer out of IOC aperture (0x8z-0xaz). */ frame_buffer: frame_buffer@be000000 { compatible = "shared-dma-pool"; diff --git a/arch/arc/boot/dts/axs10x_mb.dtsi b/arch/arc/boot/dts/axs10x_mb.dtsi index 37bafd44e36d..4ead6dc9af2f 100644 --- a/arch/arc/boot/dts/axs10x_mb.dtsi +++ b/arch/arc/boot/dts/axs10x_mb.dtsi @@ -72,7 +72,7 @@ }; }; - gmac: ethernet@0x18000 { + gmac: ethernet@18000 { #interrupt-cells = <1>; compatible = "snps,dwmac"; reg = < 0x18000 0x2000 >; @@ -88,13 +88,13 @@ mac-address = [00 00 00 00 00 00]; /* Filled in by U-Boot */ }; - ehci@0x40000 { + ehci@40000 { compatible = "generic-ehci"; reg = < 0x40000 0x100 >; interrupts = < 8 >; }; - ohci@0x60000 { + ohci@60000 { compatible = "generic-ohci"; reg = < 0x60000 0x100 >; interrupts = < 8 >; @@ -118,7 +118,7 @@ * dw_mci_pltfm_prepare_command() is used in generic platform * code. */ - mmc@0x15000 { + mmc@15000 { compatible = "altr,socfpga-dw-mshc"; reg = < 0x15000 0x400 >; fifo-depth = < 16 >; @@ -129,7 +129,7 @@ bus-width = < 4 >; }; - uart@0x20000 { + uart@20000 { compatible = "snps,dw-apb-uart"; reg = <0x20000 0x100>; clock-frequency = <33333333>; @@ -139,7 +139,7 @@ reg-io-width = <4>; }; - uart@0x21000 { + uart@21000 { compatible = "snps,dw-apb-uart"; reg = <0x21000 0x100>; clock-frequency = <33333333>; @@ -150,7 +150,7 @@ }; /* UART muxed with USB data port (ttyS3) */ - uart@0x22000 { + uart@22000 { compatible = "snps,dw-apb-uart"; reg = <0x22000 0x100>; clock-frequency = <33333333>; @@ -160,7 +160,7 @@ reg-io-width = <4>; }; - i2c@0x1d000 { + i2c@1d000 { compatible = "snps,designware-i2c"; reg = <0x1d000 0x100>; clock-frequency = <400000>; @@ -177,7 +177,7 @@ #sound-dai-cells = <0>; }; - i2c@0x1f000 { + i2c@1f000 { compatible = "snps,designware-i2c"; #address-cells = <1>; #size-cells = <0>; @@ -218,13 +218,13 @@ }; }; - eeprom@0x54{ + eeprom@54{ compatible = "atmel,24c01"; reg = <0x54>; pagesize = <0x8>; }; - eeprom@0x57{ + eeprom@57{ compatible = "atmel,24c04"; reg = <0x57>; pagesize = <0x8>; diff --git a/arch/arc/boot/dts/hsdk.dts b/arch/arc/boot/dts/hsdk.dts index 43f17b51ee89..69bc1c9e8e50 100644 --- a/arch/arc/boot/dts/hsdk.dts +++ b/arch/arc/boot/dts/hsdk.dts @@ -110,12 +110,12 @@ cgu_rst: reset-controller@8a0 { compatible = "snps,hsdk-reset"; #reset-cells = <1>; - reg = <0x8A0 0x4>, <0xFF0 0x4>; + reg = <0x8a0 0x4>, <0xff0 0x4>; }; core_clk: core-clk@0 { compatible = "snps,hsdk-core-pll-clock"; - reg = <0x00 0x10>, <0x14B8 0x4>; + reg = <0x00 0x10>, <0x14b8 0x4>; #clock-cells = <0>; clocks = <&input_clk>; @@ -167,6 +167,18 @@ #clock-cells = <0>; }; + dmac_core_clk: dmac-core-clk { + compatible = "fixed-clock"; + clock-frequency = <400000000>; + #clock-cells = <0>; + }; + + dmac_cfg_clk: dmac-gpu-cfg-clk { + compatible = "fixed-clock"; + clock-frequency = <200000000>; + #clock-cells = <0>; + }; + gmac: ethernet@8000 { #interrupt-cells = <1>; compatible = "snps,dwmac"; @@ -200,6 +212,7 @@ compatible = "snps,hsdk-v1.0-ohci", "generic-ohci"; reg = <0x60000 0x100>; interrupts = <15>; + resets = <&cgu_rst HSDK_USB_RESET>; dma-coherent; }; @@ -207,6 +220,7 @@ compatible = "snps,hsdk-v1.0-ehci", "generic-ehci"; reg = <0x40000 0x100>; interrupts = <15>; + resets = <&cgu_rst HSDK_USB_RESET>; dma-coherent; }; @@ -237,6 +251,21 @@ reg = <0>; }; }; + + dmac: dmac@80000 { + compatible = "snps,axi-dma-1.01a"; + reg = <0x80000 0x400>; + interrupts = <27>; + clocks = <&dmac_core_clk>, <&dmac_cfg_clk>; + clock-names = "core-clk", "cfgr-clk"; + + dma-channels = <4>; + snps,dma-masters = <2>; + snps,data-width = <3>; + snps,block-size = <4096 4096 4096 4096>; + snps,priority = <0 1 2 3>; + snps,axi-max-burst-len = <16>; + }; }; memory@80000000 { diff --git a/arch/arc/boot/dts/vdk_axc003.dtsi b/arch/arc/boot/dts/vdk_axc003.dtsi index 0fd6ba985b16..84e8766c8ca2 100644 --- a/arch/arc/boot/dts/vdk_axc003.dtsi +++ b/arch/arc/boot/dts/vdk_axc003.dtsi @@ -36,7 +36,7 @@ #interrupt-cells = <1>; }; - debug_uart: dw-apb-uart@0x5000 { + debug_uart: dw-apb-uart@5000 { compatible = "snps,dw-apb-uart"; reg = <0x5000 0x100>; clock-frequency = <2403200>; @@ -49,7 +49,7 @@ }; - mb_intc: dw-apb-ictl@0xe0012000 { + mb_intc: dw-apb-ictl@e0012000 { #interrupt-cells = <1>; compatible = "snps,dw-apb-ictl"; reg = < 0xe0012000 0x200 >; diff --git a/arch/arc/boot/dts/vdk_axc003_idu.dtsi b/arch/arc/boot/dts/vdk_axc003_idu.dtsi index 28956f9a9f3d..eb7e705e8a27 100644 --- a/arch/arc/boot/dts/vdk_axc003_idu.dtsi +++ b/arch/arc/boot/dts/vdk_axc003_idu.dtsi @@ -44,7 +44,7 @@ #interrupt-cells = <1>; }; - debug_uart: dw-apb-uart@0x5000 { + debug_uart: dw-apb-uart@5000 { compatible = "snps,dw-apb-uart"; reg = <0x5000 0x100>; clock-frequency = <2403200>; @@ -57,7 +57,7 @@ }; - mb_intc: dw-apb-ictl@0xe0012000 { + mb_intc: dw-apb-ictl@e0012000 { #interrupt-cells = <1>; compatible = "snps,dw-apb-ictl"; reg = < 0xe0012000 0x200 >; diff --git a/arch/arc/boot/dts/vdk_axs10x_mb.dtsi b/arch/arc/boot/dts/vdk_axs10x_mb.dtsi index 48bb4b4cd234..925d5cc95dbb 100644 --- a/arch/arc/boot/dts/vdk_axs10x_mb.dtsi +++ b/arch/arc/boot/dts/vdk_axs10x_mb.dtsi @@ -36,7 +36,7 @@ }; }; - ethernet@0x18000 { + ethernet@18000 { #interrupt-cells = <1>; compatible = "snps,dwmac"; reg = < 0x18000 0x2000 >; @@ -49,13 +49,13 @@ clock-names = "stmmaceth"; }; - ehci@0x40000 { + ehci@40000 { compatible = "generic-ehci"; reg = < 0x40000 0x100 >; interrupts = < 8 >; }; - uart@0x20000 { + uart@20000 { compatible = "snps,dw-apb-uart"; reg = <0x20000 0x100>; clock-frequency = <2403200>; @@ -65,7 +65,7 @@ reg-io-width = <4>; }; - uart@0x21000 { + uart@21000 { compatible = "snps,dw-apb-uart"; reg = <0x21000 0x100>; clock-frequency = <2403200>; @@ -75,7 +75,7 @@ reg-io-width = <4>; }; - uart@0x22000 { + uart@22000 { compatible = "snps,dw-apb-uart"; reg = <0x22000 0x100>; clock-frequency = <2403200>; @@ -101,7 +101,7 @@ interrupt-names = "arc_ps2_irq"; }; - mmc@0x15000 { + mmc@15000 { compatible = "snps,dw-mshc"; reg = <0x15000 0x400>; fifo-depth = <1024>; @@ -117,11 +117,11 @@ * Embedded Vision subsystem UIO mappings; only relevant for EV VDK * * This node is intentionally put outside of MB above becase - * it maps areas outside of MB's 0xEz-0xFz. + * it maps areas outside of MB's 0xez-0xfz. */ - uio_ev: uio@0xD0000000 { + uio_ev: uio@d0000000 { compatible = "generic-uio"; - reg = <0xD0000000 0x2000 0xD1000000 0x2000 0x90000000 0x10000000 0xC0000000 0x10000000>; + reg = <0xd0000000 0x2000 0xd1000000 0x2000 0x90000000 0x10000000 0xc0000000 0x10000000>; reg-names = "ev_gsa", "ev_ctrl", "ev_shared_mem", "ev_code_mem"; interrupt-parent = <&mb_intc>; interrupts = <23>; diff --git a/arch/arc/configs/hsdk_defconfig b/arch/arc/configs/hsdk_defconfig index 6fd3d29546af..0e5fd29ed238 100644 --- a/arch/arc/configs/hsdk_defconfig +++ b/arch/arc/configs/hsdk_defconfig @@ -8,6 +8,7 @@ CONFIG_NAMESPACES=y # CONFIG_UTS_NS is not set # CONFIG_PID_NS is not set CONFIG_BLK_DEV_INITRD=y +CONFIG_BLK_DEV_RAM=y CONFIG_EMBEDDED=y CONFIG_PERF_EVENTS=y # CONFIG_VM_EVENT_COUNTERS is not set diff --git a/arch/arc/include/asm/Kbuild b/arch/arc/include/asm/Kbuild index b41f8881ecc8..decc306a3b52 100644 --- a/arch/arc/include/asm/Kbuild +++ b/arch/arc/include/asm/Kbuild @@ -11,6 +11,7 @@ generic-y += hardirq.h generic-y += hw_irq.h generic-y += irq_regs.h generic-y += irq_work.h +generic-y += kvm_para.h generic-y += local.h generic-y += local64.h generic-y += mcs_spinlock.h diff --git a/arch/arc/include/asm/arcregs.h b/arch/arc/include/asm/arcregs.h index a27eafdc8260..a7d4be87b2f0 100644 --- a/arch/arc/include/asm/arcregs.h +++ b/arch/arc/include/asm/arcregs.h @@ -82,6 +82,7 @@ #define ECR_V_DTLB_MISS 0x05 #define ECR_V_PROTV 0x06 #define ECR_V_TRAP 0x09 +#define ECR_V_MISALIGN 0x0d #endif /* DTLB Miss and Protection Violation Cause Codes */ @@ -167,14 +168,6 @@ struct bcr_mpy { #endif }; -struct bcr_extn_xymem { -#ifdef CONFIG_CPU_BIG_ENDIAN - unsigned int ram_org:2, num_banks:4, bank_sz:4, ver:8; -#else - unsigned int ver:8, bank_sz:4, num_banks:4, ram_org:2; -#endif -}; - struct bcr_iccm_arcompact { #ifdef CONFIG_CPU_BIG_ENDIAN unsigned int base:16, pad:5, sz:3, ver:8; @@ -312,7 +305,7 @@ struct cpuinfo_arc { struct cpuinfo_arc_bpu bpu; struct bcr_identity core; struct bcr_isa_arcv2 isa; - const char *details, *name; + const char *release, *name; unsigned int vec_base; struct cpuinfo_arc_ccm iccm, dccm; struct { @@ -322,7 +315,6 @@ struct cpuinfo_arc { timer0:1, timer1:1, rtc:1, gfrc:1, pad4:4; } extn; struct bcr_mpy extn_mpy; - struct bcr_extn_xymem extn_xymem; }; extern struct cpuinfo_arc cpuinfo_arc700[]; diff --git a/arch/arc/include/asm/irqflags-arcv2.h b/arch/arc/include/asm/irqflags-arcv2.h index 8a4f77ea3238..e66d0339e1d8 100644 --- a/arch/arc/include/asm/irqflags-arcv2.h +++ b/arch/arc/include/asm/irqflags-arcv2.h @@ -44,7 +44,13 @@ #define ARCV2_IRQ_DEF_PRIO 1 /* seed value for status register */ -#define ISA_INIT_STATUS_BITS (STATUS_IE_MASK | STATUS_AD_MASK | \ +#ifdef CONFIG_ARC_USE_UNALIGNED_MEM_ACCESS +#define __AD_ENB STATUS_AD_MASK +#else +#define __AD_ENB 0 +#endif + +#define ISA_INIT_STATUS_BITS (STATUS_IE_MASK | __AD_ENB | \ (ARCV2_IRQ_DEF_PRIO << 1)) #ifndef __ASSEMBLY__ diff --git a/arch/arc/include/asm/perf_event.h b/arch/arc/include/asm/perf_event.h index 6958545390f0..9cd7ee4fad39 100644 --- a/arch/arc/include/asm/perf_event.h +++ b/arch/arc/include/asm/perf_event.h @@ -105,10 +105,10 @@ static const char * const arc_pmu_ev_hw_map[] = { [PERF_COUNT_HW_INSTRUCTIONS] = "iall", /* All jump instructions that are taken */ [PERF_COUNT_HW_BRANCH_INSTRUCTIONS] = "ijmptak", - [PERF_COUNT_ARC_BPOK] = "bpok", /* NP-NT, PT-T, PNT-NT */ #ifdef CONFIG_ISA_ARCV2 [PERF_COUNT_HW_BRANCH_MISSES] = "bpmp", #else + [PERF_COUNT_ARC_BPOK] = "bpok", /* NP-NT, PT-T, PNT-NT */ [PERF_COUNT_HW_BRANCH_MISSES] = "bpfail", /* NP-T, PT-NT, PNT-T */ #endif [PERF_COUNT_ARC_LDC] = "imemrdc", /* Instr: mem read cached */ diff --git a/arch/arc/include/asm/spinlock.h b/arch/arc/include/asm/spinlock.h index 2ba04a7db621..daa914da7968 100644 --- a/arch/arc/include/asm/spinlock.h +++ b/arch/arc/include/asm/spinlock.h @@ -21,8 +21,6 @@ static inline void arch_spin_lock(arch_spinlock_t *lock) { unsigned int val; - smp_mb(); - __asm__ __volatile__( "1: llock %[val], [%[slock]] \n" " breq %[val], %[LOCKED], 1b \n" /* spin while LOCKED */ @@ -34,6 +32,14 @@ static inline void arch_spin_lock(arch_spinlock_t *lock) [LOCKED] "r" (__ARCH_SPIN_LOCK_LOCKED__) : "memory", "cc"); + /* + * ACQUIRE barrier to ensure load/store after taking the lock + * don't "bleed-up" out of the critical section (leak-in is allowed) + * http://www.spinics.net/lists/kernel/msg2010409.html + * + * ARCv2 only has load-load, store-store and all-all barrier + * thus need the full all-all barrier + */ smp_mb(); } @@ -42,8 +48,6 @@ static inline int arch_spin_trylock(arch_spinlock_t *lock) { unsigned int val, got_it = 0; - smp_mb(); - __asm__ __volatile__( "1: llock %[val], [%[slock]] \n" " breq %[val], %[LOCKED], 4f \n" /* already LOCKED, just bail */ @@ -67,9 +71,7 @@ static inline void arch_spin_unlock(arch_spinlock_t *lock) { smp_mb(); - lock->slock = __ARCH_SPIN_LOCK_UNLOCKED__; - - smp_mb(); + WRITE_ONCE(lock->slock, __ARCH_SPIN_LOCK_UNLOCKED__); } /* @@ -81,8 +83,6 @@ static inline void arch_read_lock(arch_rwlock_t *rw) { unsigned int val; - smp_mb(); - /* * zero means writer holds the lock exclusively, deny Reader. * Otherwise grant lock to first/subseq reader @@ -113,8 +113,6 @@ static inline int arch_read_trylock(arch_rwlock_t *rw) { unsigned int val, got_it = 0; - smp_mb(); - __asm__ __volatile__( "1: llock %[val], [%[rwlock]] \n" " brls %[val], %[WR_LOCKED], 4f\n" /* <= 0: already write locked, bail */ @@ -140,8 +138,6 @@ static inline void arch_write_lock(arch_rwlock_t *rw) { unsigned int val; - smp_mb(); - /* * If reader(s) hold lock (lock < __ARCH_RW_LOCK_UNLOCKED__), * deny writer. Otherwise if unlocked grant to writer @@ -175,8 +171,6 @@ static inline int arch_write_trylock(arch_rwlock_t *rw) { unsigned int val, got_it = 0; - smp_mb(); - __asm__ __volatile__( "1: llock %[val], [%[rwlock]] \n" " brne %[val], %[UNLOCKED], 4f \n" /* !UNLOCKED, bail */ @@ -217,17 +211,13 @@ static inline void arch_read_unlock(arch_rwlock_t *rw) : [val] "=&r" (val) : [rwlock] "r" (&(rw->counter)) : "memory", "cc"); - - smp_mb(); } static inline void arch_write_unlock(arch_rwlock_t *rw) { smp_mb(); - rw->counter = __ARCH_RW_LOCK_UNLOCKED__; - - smp_mb(); + WRITE_ONCE(rw->counter, __ARCH_RW_LOCK_UNLOCKED__); } #else /* !CONFIG_ARC_HAS_LLSC */ @@ -237,10 +227,9 @@ static inline void arch_spin_lock(arch_spinlock_t *lock) unsigned int val = __ARCH_SPIN_LOCK_LOCKED__; /* - * This smp_mb() is technically superfluous, we only need the one - * after the lock for providing the ACQUIRE semantics. - * However doing the "right" thing was regressing hackbench - * so keeping this, pending further investigation + * Per lkmm, smp_mb() is only required after _lock (and before_unlock) + * for ACQ and REL semantics respectively. However EX based spinlocks + * need the extra smp_mb to workaround a hardware quirk. */ smp_mb(); @@ -257,14 +246,6 @@ static inline void arch_spin_lock(arch_spinlock_t *lock) #endif : "memory"); - /* - * ACQUIRE barrier to ensure load/store after taking the lock - * don't "bleed-up" out of the critical section (leak-in is allowed) - * http://www.spinics.net/lists/kernel/msg2010409.html - * - * ARCv2 only has load-load, store-store and all-all barrier - * thus need the full all-all barrier - */ smp_mb(); } @@ -309,8 +290,7 @@ static inline void arch_spin_unlock(arch_spinlock_t *lock) : "memory"); /* - * superfluous, but keeping for now - see pairing version in - * arch_spin_lock above + * see pairing version/comment in arch_spin_lock above */ smp_mb(); } @@ -344,7 +324,6 @@ static inline int arch_read_trylock(arch_rwlock_t *rw) arch_spin_unlock(&(rw->lock_mutex)); local_irq_restore(flags); - smp_mb(); return ret; } diff --git a/arch/arc/include/uapi/asm/Kbuild b/arch/arc/include/uapi/asm/Kbuild index 755bb11323d8..1c72f04ff75d 100644 --- a/arch/arc/include/uapi/asm/Kbuild +++ b/arch/arc/include/uapi/asm/Kbuild @@ -1,2 +1 @@ -generic-y += kvm_para.h generic-y += ucontext.h diff --git a/arch/arc/kernel/head.S b/arch/arc/kernel/head.S index 30e090625916..8f6e0447dd17 100644 --- a/arch/arc/kernel/head.S +++ b/arch/arc/kernel/head.S @@ -54,7 +54,12 @@ ; gcc 7.3.1 (ARC GNU 2018.03) onwards generates unaligned access ; by default lr r5, [status32] +#ifdef CONFIG_ARC_USE_UNALIGNED_MEM_ACCESS bset r5, r5, STATUS_AD_BIT +#else + ; Although disabled at reset, bootloader might have enabled it + bclr r5, r5, STATUS_AD_BIT +#endif kflag r5 #endif .endm @@ -106,6 +111,7 @@ ENTRY(stext) ; r2 = pointer to uboot provided cmdline or external DTB in mem ; These are handled later in handle_uboot_args() st r0, [@uboot_tag] + st r1, [@uboot_magic] st r2, [@uboot_arg] ; setup "current" tsk and optionally cache it in dedicated r25 diff --git a/arch/arc/kernel/intc-arcv2.c b/arch/arc/kernel/intc-arcv2.c index cf18b3e5a934..c0d0124de089 100644 --- a/arch/arc/kernel/intc-arcv2.c +++ b/arch/arc/kernel/intc-arcv2.c @@ -95,7 +95,7 @@ void arc_init_IRQ(void) /* setup status32, don't enable intr yet as kernel doesn't want */ tmp = read_aux_reg(ARC_REG_STATUS32); - tmp |= STATUS_AD_MASK | (ARCV2_IRQ_DEF_PRIO << 1); + tmp |= ARCV2_IRQ_DEF_PRIO << 1; tmp &= ~STATUS_IE_MASK; asm volatile("kflag %0 \n"::"r"(tmp)); } diff --git a/arch/arc/kernel/setup.c b/arch/arc/kernel/setup.c index 7b2340996cf8..a9c88b7e9182 100644 --- a/arch/arc/kernel/setup.c +++ b/arch/arc/kernel/setup.c @@ -36,6 +36,7 @@ unsigned int intr_to_DE_cnt; /* Part of U-boot ABI: see head.S */ int __initdata uboot_tag; +int __initdata uboot_magic; char __initdata *uboot_arg; const struct machine_desc *machine_desc; @@ -44,29 +45,24 @@ struct task_struct *_current_task[NR_CPUS]; /* For stack switching */ struct cpuinfo_arc cpuinfo_arc700[NR_CPUS]; -static const struct id_to_str arc_cpu_rel[] = { +static const struct id_to_str arc_legacy_rel[] = { + /* ID.ARCVER, Release */ #ifdef CONFIG_ISA_ARCOMPACT - { 0x34, "R4.10"}, - { 0x35, "R4.11"}, + { 0x34, "R4.10"}, + { 0x35, "R4.11"}, #else - { 0x51, "R2.0" }, - { 0x52, "R2.1" }, - { 0x53, "R3.0" }, - { 0x54, "R3.10a" }, + { 0x51, "R2.0" }, + { 0x52, "R2.1" }, + { 0x53, "R3.0" }, #endif - { 0x00, NULL } + { 0x00, NULL } }; -static const struct id_to_str arc_cpu_nm[] = { -#ifdef CONFIG_ISA_ARCOMPACT - { 0x20, "ARC 600" }, - { 0x30, "ARC 770" }, /* 750 identified seperately */ -#else - { 0x40, "ARC EM" }, - { 0x50, "ARC HS38" }, - { 0x54, "ARC HS48" }, -#endif - { 0x00, "Unknown" } +static const struct id_to_str arc_cpu_rel[] = { + /* UARCH.MAJOR, Release */ + { 0, "R3.10a"}, + { 1, "R3.50a"}, + { 0xFF, NULL } }; static void read_decode_ccm_bcr(struct cpuinfo_arc *cpu) @@ -116,31 +112,72 @@ static void read_decode_ccm_bcr(struct cpuinfo_arc *cpu) } } +static void decode_arc_core(struct cpuinfo_arc *cpu) +{ + struct bcr_uarch_build_arcv2 uarch; + const struct id_to_str *tbl; + + /* + * Up until (including) the first core4 release (0x54) things were + * simple: AUX IDENTITY.ARCVER was sufficient to identify arc family + * and release: 0x50 to 0x53 was HS38, 0x54 was HS48 (dual issue) + */ + + if (cpu->core.family < 0x54) { /* includes arc700 */ + + for (tbl = &arc_legacy_rel[0]; tbl->id != 0; tbl++) { + if (cpu->core.family == tbl->id) { + cpu->release = tbl->str; + break; + } + } + + if (is_isa_arcompact()) + cpu->name = "ARC700"; + else if (tbl->str) + cpu->name = "HS38"; + else + cpu->name = cpu->release = "Unknown"; + + return; + } + + /* + * However the subsequent HS release (same 0x54) allow HS38 or HS48 + * configurations and encode this info in a different BCR. + * The BCR was introduced in 0x54 so can't be read unconditionally. + */ + + READ_BCR(ARC_REG_MICRO_ARCH_BCR, uarch); + + if (uarch.prod == 4) { + cpu->name = "HS48"; + cpu->extn.dual = 1; + + } else { + cpu->name = "HS38"; + } + + for (tbl = &arc_cpu_rel[0]; tbl->id != 0xFF; tbl++) { + if (uarch.maj == tbl->id) { + cpu->release = tbl->str; + break; + } + } +} + static void read_arc_build_cfg_regs(void) { struct bcr_timer timer; struct bcr_generic bcr; struct cpuinfo_arc *cpu = &cpuinfo_arc700[smp_processor_id()]; - const struct id_to_str *tbl; struct bcr_isa_arcv2 isa; struct bcr_actionpoint ap; FIX_PTR(cpu); READ_BCR(AUX_IDENTITY, cpu->core); - - for (tbl = &arc_cpu_rel[0]; tbl->id != 0; tbl++) { - if (cpu->core.family == tbl->id) { - cpu->details = tbl->str; - break; - } - } - - for (tbl = &arc_cpu_nm[0]; tbl->id != 0; tbl++) { - if ((cpu->core.family & 0xF4) == tbl->id) - break; - } - cpu->name = tbl->str; + decode_arc_core(cpu); READ_BCR(ARC_REG_TIMERS_BCR, timer); cpu->extn.timer0 = timer.t0; @@ -151,16 +188,6 @@ static void read_arc_build_cfg_regs(void) READ_BCR(ARC_REG_MUL_BCR, cpu->extn_mpy); - cpu->extn.norm = read_aux_reg(ARC_REG_NORM_BCR) > 1 ? 1 : 0; /* 2,3 */ - cpu->extn.barrel = read_aux_reg(ARC_REG_BARREL_BCR) > 1 ? 1 : 0; /* 2,3 */ - cpu->extn.swap = read_aux_reg(ARC_REG_SWAP_BCR) ? 1 : 0; /* 1,3 */ - cpu->extn.crc = read_aux_reg(ARC_REG_CRC_BCR) ? 1 : 0; - cpu->extn.minmax = read_aux_reg(ARC_REG_MIXMAX_BCR) > 1 ? 1 : 0; /* 2 */ - cpu->extn.swape = (cpu->core.family >= 0x34) ? 1 : - IS_ENABLED(CONFIG_ARC_HAS_SWAPE); - - READ_BCR(ARC_REG_XY_MEM_BCR, cpu->extn_xymem); - /* Read CCM BCRs for boot reporting even if not enabled in Kconfig */ read_decode_ccm_bcr(cpu); @@ -198,30 +225,12 @@ static void read_arc_build_cfg_regs(void) cpu->bpu.num_pred = 2048 << bpu.pte; cpu->bpu.ret_stk = 4 << bpu.rse; - if (cpu->core.family >= 0x54) { - - struct bcr_uarch_build_arcv2 uarch; - - /* - * The first 0x54 core (uarch maj:min 0:1 or 0:2) was - * dual issue only (HS4x). But next uarch rev (1:0) - * allows it be configured for single issue (HS3x) - * Ensure we fiddle with dual issue only on HS4x - */ - READ_BCR(ARC_REG_MICRO_ARCH_BCR, uarch); - - if (uarch.prod == 4) { - unsigned int exec_ctrl; - - /* dual issue hardware always present */ - cpu->extn.dual = 1; - - READ_BCR(AUX_EXEC_CTRL, exec_ctrl); + /* if dual issue hardware, is it enabled ? */ + if (cpu->extn.dual) { + unsigned int exec_ctrl; - /* dual issue hardware enabled ? */ - cpu->extn.dual_enb = !(exec_ctrl & 1); - - } + READ_BCR(AUX_EXEC_CTRL, exec_ctrl); + cpu->extn.dual_enb = !(exec_ctrl & 1); } } @@ -263,7 +272,8 @@ static char *arc_cpu_mumbojumbo(int cpu_id, char *buf, int len) { struct cpuinfo_arc *cpu = &cpuinfo_arc700[cpu_id]; struct bcr_identity *core = &cpu->core; - int i, n = 0, ua = 0; + char mpy_opt[16]; + int n = 0; FIX_PTR(cpu); @@ -272,7 +282,7 @@ static char *arc_cpu_mumbojumbo(int cpu_id, char *buf, int len) core->family, core->cpu_id, core->chip_id); n += scnprintf(buf + n, len - n, "processor [%d]\t: %s %s (%s ISA) %s%s%s\n", - cpu_id, cpu->name, cpu->details, + cpu_id, cpu->name, cpu->release, is_isa_arcompact() ? "ARCompact" : "ARCv2", IS_AVAIL1(cpu->isa.be, "[Big-Endian]"), IS_AVAIL3(cpu->extn.dual, cpu->extn.dual_enb, " Dual-Issue ")); @@ -283,61 +293,50 @@ static char *arc_cpu_mumbojumbo(int cpu_id, char *buf, int len) IS_AVAIL2(cpu->extn.rtc, "RTC [UP 64-bit] ", CONFIG_ARC_TIMERS_64BIT), IS_AVAIL2(cpu->extn.gfrc, "GFRC [SMP 64-bit] ", CONFIG_ARC_TIMERS_64BIT)); -#ifdef __ARC_UNALIGNED__ - ua = 1; -#endif - n += i = scnprintf(buf + n, len - n, "%s%s%s%s%s%s", - IS_AVAIL2(cpu->isa.atomic, "atomic ", CONFIG_ARC_HAS_LLSC), - IS_AVAIL2(cpu->isa.ldd, "ll64 ", CONFIG_ARC_HAS_LL64), - IS_AVAIL1(cpu->isa.unalign, "unalign "), IS_USED_RUN(ua)); - - if (i) - n += scnprintf(buf + n, len - n, "\n\t\t: "); - if (cpu->extn_mpy.ver) { - if (cpu->extn_mpy.ver <= 0x2) { /* ARCompact */ - n += scnprintf(buf + n, len - n, "mpy "); + if (is_isa_arcompact()) { + scnprintf(mpy_opt, 16, "mpy"); } else { + int opt = 2; /* stock MPY/MPYH */ if (cpu->extn_mpy.dsp) /* OPT 7-9 */ opt = cpu->extn_mpy.dsp + 6; - n += scnprintf(buf + n, len - n, "mpy[opt %d] ", opt); + scnprintf(mpy_opt, 16, "mpy[opt %d] ", opt); } } n += scnprintf(buf + n, len - n, "%s%s%s%s%s%s%s%s\n", - IS_AVAIL1(cpu->isa.div_rem, "div_rem "), - IS_AVAIL1(cpu->extn.norm, "norm "), - IS_AVAIL1(cpu->extn.barrel, "barrel-shift "), - IS_AVAIL1(cpu->extn.swap, "swap "), - IS_AVAIL1(cpu->extn.minmax, "minmax "), - IS_AVAIL1(cpu->extn.crc, "crc "), - IS_AVAIL2(cpu->extn.swape, "swape", CONFIG_ARC_HAS_SWAPE)); - - if (cpu->bpu.ver) + IS_AVAIL2(cpu->isa.atomic, "atomic ", CONFIG_ARC_HAS_LLSC), + IS_AVAIL2(cpu->isa.ldd, "ll64 ", CONFIG_ARC_HAS_LL64), + IS_AVAIL2(cpu->isa.unalign, "unalign ", CONFIG_ARC_USE_UNALIGNED_MEM_ACCESS), + IS_AVAIL1(cpu->extn_mpy.ver, mpy_opt), + IS_AVAIL1(cpu->isa.div_rem, "div_rem ")); + + if (cpu->bpu.ver) { n += scnprintf(buf + n, len - n, "BPU\t\t: %s%s match, cache:%d, Predict Table:%d Return stk: %d", IS_AVAIL1(cpu->bpu.full, "full"), IS_AVAIL1(!cpu->bpu.full, "partial"), cpu->bpu.num_cache, cpu->bpu.num_pred, cpu->bpu.ret_stk); - if (is_isa_arcv2()) { - struct bcr_lpb lpb; + if (is_isa_arcv2()) { + struct bcr_lpb lpb; - READ_BCR(ARC_REG_LPB_BUILD, lpb); - if (lpb.ver) { - unsigned int ctl; - ctl = read_aux_reg(ARC_REG_LPB_CTRL); + READ_BCR(ARC_REG_LPB_BUILD, lpb); + if (lpb.ver) { + unsigned int ctl; + ctl = read_aux_reg(ARC_REG_LPB_CTRL); - n += scnprintf(buf + n, len - n, " Loop Buffer:%d %s", - lpb.entries, - IS_DISABLED_RUN(!ctl)); + n += scnprintf(buf + n, len - n, " Loop Buffer:%d %s", + lpb.entries, + IS_DISABLED_RUN(!ctl)); + } } + n += scnprintf(buf + n, len - n, "\n"); } - n += scnprintf(buf + n, len - n, "\n"); return buf; } @@ -390,11 +389,6 @@ static char *arc_extn_mumbojumbo(int cpu_id, char *buf, int len) } } - n += scnprintf(buf + n, len - n, "OS ABI [v%d]\t: %s\n", - EF_ARC_OSABI_CURRENT >> 8, - EF_ARC_OSABI_CURRENT == EF_ARC_OSABI_V3 ? - "no-legacy-syscalls" : "64-bit data any register aligned"); - return buf; } @@ -497,6 +491,8 @@ static inline bool uboot_arg_invalid(unsigned long addr) #define UBOOT_TAG_NONE 0 #define UBOOT_TAG_CMDLINE 1 #define UBOOT_TAG_DTB 2 +/* We always pass 0 as magic from U-boot */ +#define UBOOT_MAGIC_VALUE 0 void __init handle_uboot_args(void) { @@ -511,6 +507,11 @@ void __init handle_uboot_args(void) goto ignore_uboot_args; } + if (uboot_magic != UBOOT_MAGIC_VALUE) { + pr_warn(IGNORE_ARGS "non zero uboot magic\n"); + goto ignore_uboot_args; + } + if (uboot_tag != UBOOT_TAG_NONE && uboot_arg_invalid((unsigned long)uboot_arg)) { pr_warn(IGNORE_ARGS "invalid uboot arg: '%px'\n", uboot_arg); diff --git a/arch/arc/kernel/troubleshoot.c b/arch/arc/kernel/troubleshoot.c index 215f515442e0..b0aa8c028331 100644 --- a/arch/arc/kernel/troubleshoot.c +++ b/arch/arc/kernel/troubleshoot.c @@ -145,7 +145,8 @@ static void show_ecr_verbose(struct pt_regs *regs) } else if (vec == ECR_V_PROTV) { if (cause_code == ECR_C_PROTV_INST_FETCH) pr_cont("Execute from Non-exec Page\n"); - else if (cause_code == ECR_C_PROTV_MISALIG_DATA) + else if (cause_code == ECR_C_PROTV_MISALIG_DATA && + IS_ENABLED(CONFIG_ISA_ARCOMPACT)) pr_cont("Misaligned r/w from 0x%08lx\n", address); else pr_cont("%s access not allowed on page\n", @@ -161,6 +162,8 @@ static void show_ecr_verbose(struct pt_regs *regs) pr_cont("Bus Error from Data Mem\n"); else pr_cont("Bus Error, check PRM\n"); + } else if (vec == ECR_V_MISALIGN) { + pr_cont("Misaligned r/w from 0x%08lx\n", address); #endif } else if (vec == ECR_V_TRAP) { if (regs->ecr_param == 5) diff --git a/arch/arc/lib/Makefile b/arch/arc/lib/Makefile index b1656d156097..f7537b466b23 100644 --- a/arch/arc/lib/Makefile +++ b/arch/arc/lib/Makefile @@ -8,4 +8,10 @@ lib-y := strchr-700.o strcpy-700.o strlen.o memcmp.o lib-$(CONFIG_ISA_ARCOMPACT) += memcpy-700.o memset.o strcmp.o -lib-$(CONFIG_ISA_ARCV2) += memcpy-archs.o memset-archs.o strcmp-archs.o +lib-$(CONFIG_ISA_ARCV2) += memset-archs.o strcmp-archs.o + +ifdef CONFIG_ARC_USE_UNALIGNED_MEM_ACCESS +lib-$(CONFIG_ISA_ARCV2) +=memcpy-archs-unaligned.o +else +lib-$(CONFIG_ISA_ARCV2) +=memcpy-archs.o +endif diff --git a/arch/arc/lib/memcpy-archs-unaligned.S b/arch/arc/lib/memcpy-archs-unaligned.S new file mode 100644 index 000000000000..28993a73fdde --- /dev/null +++ b/arch/arc/lib/memcpy-archs-unaligned.S @@ -0,0 +1,47 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +/* + * ARCv2 memcpy implementation optimized for unaligned memory access using. + * + * Copyright (C) 2019 Synopsys + * Author: Eugeniy Paltsev <Eugeniy.Paltsev@synopsys.com> + */ + +#include <linux/linkage.h> + +#ifdef CONFIG_ARC_HAS_LL64 +# define LOADX(DST,RX) ldd.ab DST, [RX, 8] +# define STOREX(SRC,RX) std.ab SRC, [RX, 8] +# define ZOLSHFT 5 +# define ZOLAND 0x1F +#else +# define LOADX(DST,RX) ld.ab DST, [RX, 4] +# define STOREX(SRC,RX) st.ab SRC, [RX, 4] +# define ZOLSHFT 4 +# define ZOLAND 0xF +#endif + +ENTRY_CFI(memcpy) + mov r3, r0 ; don;t clobber ret val + + lsr.f lp_count, r2, ZOLSHFT + lpnz @.Lcopy32_64bytes + ;; LOOP START + LOADX (r6, r1) + LOADX (r8, r1) + LOADX (r10, r1) + LOADX (r4, r1) + STOREX (r6, r3) + STOREX (r8, r3) + STOREX (r10, r3) + STOREX (r4, r3) +.Lcopy32_64bytes: + + and.f lp_count, r2, ZOLAND ;Last remaining 31 bytes + lpnz @.Lcopyremainingbytes + ;; LOOP START + ldb.ab r5, [r1, 1] + stb.ab r5, [r3, 1] +.Lcopyremainingbytes: + + j [blink] +END_CFI(memcpy) diff --git a/arch/arc/plat-eznps/Kconfig b/arch/arc/plat-eznps/Kconfig index 8eff057efcae..2eaecfb063a7 100644 --- a/arch/arc/plat-eznps/Kconfig +++ b/arch/arc/plat-eznps/Kconfig @@ -26,8 +26,8 @@ config EZNPS_MTM_EXT help Here we add new hierarchy for CPUs topology. We got: - Core - Thread + Core + Thread At the new thread level each CPU represent one HW thread. At highest hierarchy each core contain 16 threads, any of them seem like CPU from Linux point of view. @@ -35,10 +35,10 @@ config EZNPS_MTM_EXT core and HW scheduler round robin between them. config EZNPS_MEM_ERROR_ALIGN - bool "ARC-EZchip Memory error as an exception" - depends on EZNPS_MTM_EXT - default n - help + bool "ARC-EZchip Memory error as an exception" + depends on EZNPS_MTM_EXT + default n + help On the real chip of the NPS, user memory errors are handled as a machine check exception, which is fatal, whereas on simulator platform for NPS, is handled as a Level 2 interrupt diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index 054ead960f98..850b4805e2d1 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -596,6 +596,7 @@ config ARCH_DAVINCI select HAVE_IDE select PM_GENERIC_DOMAINS if PM select PM_GENERIC_DOMAINS_OF if PM && OF + select REGMAP_MMIO select RESET_CONTROLLER select SPARSE_IRQ select USE_OF diff --git a/arch/arm/boot/dts/bcm2835-rpi-b-rev2.dts b/arch/arm/boot/dts/bcm2835-rpi-b-rev2.dts index 5641d162dfdb..28e7513ce617 100644 --- a/arch/arm/boot/dts/bcm2835-rpi-b-rev2.dts +++ b/arch/arm/boot/dts/bcm2835-rpi-b-rev2.dts @@ -93,7 +93,7 @@ }; &hdmi { - hpd-gpios = <&gpio 46 GPIO_ACTIVE_LOW>; + hpd-gpios = <&gpio 46 GPIO_ACTIVE_HIGH>; }; &pwm { diff --git a/arch/arm/boot/dts/imx6dl-yapp4-common.dtsi b/arch/arm/boot/dts/imx6dl-yapp4-common.dtsi index b715ab0fa1ff..e8d800fec637 100644 --- a/arch/arm/boot/dts/imx6dl-yapp4-common.dtsi +++ b/arch/arm/boot/dts/imx6dl-yapp4-common.dtsi @@ -114,9 +114,9 @@ reg = <2>; }; - switch@0 { + switch@10 { compatible = "qca,qca8334"; - reg = <0>; + reg = <10>; switch_ports: ports { #address-cells = <1>; @@ -125,7 +125,7 @@ ethphy0: port@0 { reg = <0>; label = "cpu"; - phy-mode = "rgmii"; + phy-mode = "rgmii-id"; ethernet = <&fec>; fixed-link { diff --git a/arch/arm/boot/dts/imx6qdl-icore-rqs.dtsi b/arch/arm/boot/dts/imx6qdl-icore-rqs.dtsi index 1d1b4bd0670f..a4217f564a53 100644 --- a/arch/arm/boot/dts/imx6qdl-icore-rqs.dtsi +++ b/arch/arm/boot/dts/imx6qdl-icore-rqs.dtsi @@ -264,7 +264,7 @@ pinctrl-2 = <&pinctrl_usdhc3_200mhz>; vmcc-supply = <®_sd3_vmmc>; cd-gpios = <&gpio1 1 GPIO_ACTIVE_LOW>; - bus-witdh = <4>; + bus-width = <4>; no-1-8-v; status = "okay"; }; @@ -275,7 +275,7 @@ pinctrl-1 = <&pinctrl_usdhc4_100mhz>; pinctrl-2 = <&pinctrl_usdhc4_200mhz>; vmcc-supply = <®_sd4_vmmc>; - bus-witdh = <8>; + bus-width = <8>; no-1-8-v; non-removable; status = "okay"; diff --git a/arch/arm/boot/dts/imx6qdl-phytec-pfla02.dtsi b/arch/arm/boot/dts/imx6qdl-phytec-pfla02.dtsi index 433bf09a1954..027df06c5dc7 100644 --- a/arch/arm/boot/dts/imx6qdl-phytec-pfla02.dtsi +++ b/arch/arm/boot/dts/imx6qdl-phytec-pfla02.dtsi @@ -91,6 +91,7 @@ pinctrl-0 = <&pinctrl_enet>; phy-handle = <ðphy>; phy-mode = "rgmii"; + phy-reset-duration = <10>; /* in msecs */ phy-reset-gpios = <&gpio3 23 GPIO_ACTIVE_LOW>; phy-supply = <&vdd_eth_io_reg>; status = "disabled"; diff --git a/arch/arm/boot/dts/imx6ull-pinfunc-snvs.h b/arch/arm/boot/dts/imx6ull-pinfunc-snvs.h index f6fb6783c193..54cfe72295aa 100644 --- a/arch/arm/boot/dts/imx6ull-pinfunc-snvs.h +++ b/arch/arm/boot/dts/imx6ull-pinfunc-snvs.h @@ -1,4 +1,4 @@ -// SPDX-License-Identifier: GPL-2.0 +/* SPDX-License-Identifier: GPL-2.0 */ /* * Copyright (C) 2016 Freescale Semiconductor, Inc. * Copyright (C) 2017 NXP diff --git a/arch/arm/boot/dts/ste-nomadik-nhk15.dts b/arch/arm/boot/dts/ste-nomadik-nhk15.dts index 04066f9cb8a3..f2f6558a00f1 100644 --- a/arch/arm/boot/dts/ste-nomadik-nhk15.dts +++ b/arch/arm/boot/dts/ste-nomadik-nhk15.dts @@ -213,12 +213,13 @@ gpio-sck = <&gpio0 5 GPIO_ACTIVE_HIGH>; gpio-mosi = <&gpio0 4 GPIO_ACTIVE_HIGH>; /* - * It's not actually active high, but the frameworks assume - * the polarity of the passed-in GPIO is "normal" (active - * high) then actively drives the line low to select the - * chip. + * This chipselect is active high. Just setting the flags + * to GPIO_ACTIVE_HIGH is not enough for the SPI DT bindings, + * it will be ignored, only the special "spi-cs-high" flag + * really counts. */ cs-gpios = <&gpio0 6 GPIO_ACTIVE_HIGH>; + spi-cs-high; num-chipselects = <1>; /* diff --git a/arch/arm/configs/imx_v4_v5_defconfig b/arch/arm/configs/imx_v4_v5_defconfig index 8661dd9b064a..b37f8e675e40 100644 --- a/arch/arm/configs/imx_v4_v5_defconfig +++ b/arch/arm/configs/imx_v4_v5_defconfig @@ -170,6 +170,9 @@ CONFIG_IMX_SDMA=y # CONFIG_IOMMU_SUPPORT is not set CONFIG_IIO=y CONFIG_FSL_MX25_ADC=y +CONFIG_PWM=y +CONFIG_PWM_IMX1=y +CONFIG_PWM_IMX27=y CONFIG_EXT4_FS=y # CONFIG_DNOTIFY is not set CONFIG_VFAT_FS=y diff --git a/arch/arm/configs/imx_v6_v7_defconfig b/arch/arm/configs/imx_v6_v7_defconfig index 5586a5074a96..50fb01d70b10 100644 --- a/arch/arm/configs/imx_v6_v7_defconfig +++ b/arch/arm/configs/imx_v6_v7_defconfig @@ -398,7 +398,7 @@ CONFIG_MAG3110=y CONFIG_MPL3115=y CONFIG_PWM=y CONFIG_PWM_FSL_FTM=y -CONFIG_PWM_IMX=y +CONFIG_PWM_IMX27=y CONFIG_NVMEM_IMX_OCOTP=y CONFIG_NVMEM_VF610_OCOTP=y CONFIG_TEE=y diff --git a/arch/arm/include/asm/kvm_mmu.h b/arch/arm/include/asm/kvm_mmu.h index 2de96a180166..31de4ab93005 100644 --- a/arch/arm/include/asm/kvm_mmu.h +++ b/arch/arm/include/asm/kvm_mmu.h @@ -381,6 +381,17 @@ static inline int kvm_read_guest_lock(struct kvm *kvm, return ret; } +static inline int kvm_write_guest_lock(struct kvm *kvm, gpa_t gpa, + const void *data, unsigned long len) +{ + int srcu_idx = srcu_read_lock(&kvm->srcu); + int ret = kvm_write_guest(kvm, gpa, data, len); + + srcu_read_unlock(&kvm->srcu, srcu_idx); + + return ret; +} + static inline void *kvm_get_hyp_vector(void) { switch(read_cpuid_part()) { diff --git a/arch/arm/include/asm/stage2_pgtable.h b/arch/arm/include/asm/stage2_pgtable.h index de2089501b8b..9e11dce55e06 100644 --- a/arch/arm/include/asm/stage2_pgtable.h +++ b/arch/arm/include/asm/stage2_pgtable.h @@ -75,6 +75,8 @@ static inline bool kvm_stage2_has_pud(struct kvm *kvm) #define S2_PMD_MASK PMD_MASK #define S2_PMD_SIZE PMD_SIZE +#define S2_PUD_MASK PUD_MASK +#define S2_PUD_SIZE PUD_SIZE static inline bool kvm_stage2_has_pmd(struct kvm *kvm) { diff --git a/arch/arm/include/uapi/asm/Kbuild b/arch/arm/include/uapi/asm/Kbuild index 23b4464c0995..ce8573157774 100644 --- a/arch/arm/include/uapi/asm/Kbuild +++ b/arch/arm/include/uapi/asm/Kbuild @@ -3,3 +3,4 @@ generated-y += unistd-common.h generated-y += unistd-oabi.h generated-y += unistd-eabi.h +generic-y += kvm_para.h diff --git a/arch/arm/include/uapi/asm/kvm_para.h b/arch/arm/include/uapi/asm/kvm_para.h deleted file mode 100644 index baacc4996d18..000000000000 --- a/arch/arm/include/uapi/asm/kvm_para.h +++ /dev/null @@ -1,2 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ -#include <asm-generic/kvm_para.h> diff --git a/arch/arm/mach-cns3xxx/core.c b/arch/arm/mach-cns3xxx/core.c index 7d5a44a06648..f676592d8402 100644 --- a/arch/arm/mach-cns3xxx/core.c +++ b/arch/arm/mach-cns3xxx/core.c @@ -90,7 +90,7 @@ void __init cns3xxx_map_io(void) /* used by entry-macro.S */ void __init cns3xxx_init_irq(void) { - gic_init(0, 29, IOMEM(CNS3XXX_TC11MP_GIC_DIST_BASE_VIRT), + gic_init(IOMEM(CNS3XXX_TC11MP_GIC_DIST_BASE_VIRT), IOMEM(CNS3XXX_TC11MP_GIC_CPU_BASE_VIRT)); } diff --git a/arch/arm/mach-imx/cpuidle-imx6q.c b/arch/arm/mach-imx/cpuidle-imx6q.c index bfeb25aaf9a2..326e870d7123 100644 --- a/arch/arm/mach-imx/cpuidle-imx6q.c +++ b/arch/arm/mach-imx/cpuidle-imx6q.c @@ -16,30 +16,23 @@ #include "cpuidle.h" #include "hardware.h" -static atomic_t master = ATOMIC_INIT(0); -static DEFINE_SPINLOCK(master_lock); +static int num_idle_cpus = 0; +static DEFINE_SPINLOCK(cpuidle_lock); static int imx6q_enter_wait(struct cpuidle_device *dev, struct cpuidle_driver *drv, int index) { - if (atomic_inc_return(&master) == num_online_cpus()) { - /* - * With this lock, we prevent other cpu to exit and enter - * this function again and become the master. - */ - if (!spin_trylock(&master_lock)) - goto idle; + spin_lock(&cpuidle_lock); + if (++num_idle_cpus == num_online_cpus()) imx6_set_lpm(WAIT_UNCLOCKED); - cpu_do_idle(); - imx6_set_lpm(WAIT_CLOCKED); - spin_unlock(&master_lock); - goto done; - } + spin_unlock(&cpuidle_lock); -idle: cpu_do_idle(); -done: - atomic_dec(&master); + + spin_lock(&cpuidle_lock); + if (num_idle_cpus-- == num_online_cpus()) + imx6_set_lpm(WAIT_CLOCKED); + spin_unlock(&cpuidle_lock); return index; } diff --git a/arch/arm/mach-imx/mach-imx51.c b/arch/arm/mach-imx/mach-imx51.c index c7169c2f94c4..08c7892866c2 100644 --- a/arch/arm/mach-imx/mach-imx51.c +++ b/arch/arm/mach-imx/mach-imx51.c @@ -59,6 +59,7 @@ static void __init imx51_m4if_setup(void) return; m4if_base = of_iomap(np, 0); + of_node_put(np); if (!m4if_base) { pr_err("Unable to map M4IF registers\n"); return; diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig index 117b2541ef3d..7e34b9eba5de 100644 --- a/arch/arm64/Kconfig +++ b/arch/arm64/Kconfig @@ -159,7 +159,6 @@ config ARM64 select IRQ_DOMAIN select IRQ_FORCED_THREADING select MODULES_USE_ELF_RELA - select MULTI_IRQ_HANDLER select NEED_DMA_MAP_STATE select NEED_SG_DMA_LENGTH select OF diff --git a/arch/arm64/Kconfig.platforms b/arch/arm64/Kconfig.platforms index 70498a033cf5..b5ca9c50876d 100644 --- a/arch/arm64/Kconfig.platforms +++ b/arch/arm64/Kconfig.platforms @@ -27,6 +27,7 @@ config ARCH_BCM2835 bool "Broadcom BCM2835 family" select TIMER_OF select GPIOLIB + select MFD_CORE select PINCTRL select PINCTRL_BCM2835 select ARM_AMBA diff --git a/arch/arm64/boot/dts/nvidia/tegra186.dtsi b/arch/arm64/boot/dts/nvidia/tegra186.dtsi index bb2045be8814..97aeb946ed5e 100644 --- a/arch/arm64/boot/dts/nvidia/tegra186.dtsi +++ b/arch/arm64/boot/dts/nvidia/tegra186.dtsi @@ -321,7 +321,6 @@ nvidia,default-trim = <0x9>; nvidia,dqs-trim = <63>; mmc-hs400-1_8v; - supports-cqe; status = "disabled"; }; diff --git a/arch/arm64/boot/dts/renesas/r8a774c0.dtsi b/arch/arm64/boot/dts/renesas/r8a774c0.dtsi index 61a0afb74e63..1ea684af99c4 100644 --- a/arch/arm64/boot/dts/renesas/r8a774c0.dtsi +++ b/arch/arm64/boot/dts/renesas/r8a774c0.dtsi @@ -2,7 +2,7 @@ /* * Device Tree Source for the RZ/G2E (R8A774C0) SoC * - * Copyright (C) 2018 Renesas Electronics Corp. + * Copyright (C) 2018-2019 Renesas Electronics Corp. */ #include <dt-bindings/clock/r8a774c0-cpg-mssr.h> @@ -1150,9 +1150,8 @@ <&cpg CPG_CORE R8A774C0_CLK_S3D1C>, <&scif_clk>; clock-names = "fck", "brg_int", "scif_clk"; - dmas = <&dmac1 0x5b>, <&dmac1 0x5a>, - <&dmac2 0x5b>, <&dmac2 0x5a>; - dma-names = "tx", "rx", "tx", "rx"; + dmas = <&dmac0 0x5b>, <&dmac0 0x5a>; + dma-names = "tx", "rx"; power-domains = <&sysc R8A774C0_PD_ALWAYS_ON>; resets = <&cpg 202>; status = "disabled"; diff --git a/arch/arm64/boot/dts/renesas/r8a77990.dtsi b/arch/arm64/boot/dts/renesas/r8a77990.dtsi index a69faa60ea4d..d2ad665fe2d9 100644 --- a/arch/arm64/boot/dts/renesas/r8a77990.dtsi +++ b/arch/arm64/boot/dts/renesas/r8a77990.dtsi @@ -2,7 +2,7 @@ /* * Device Tree Source for the R-Car E3 (R8A77990) SoC * - * Copyright (C) 2018 Renesas Electronics Corp. + * Copyright (C) 2018-2019 Renesas Electronics Corp. */ #include <dt-bindings/clock/r8a77990-cpg-mssr.h> @@ -1067,9 +1067,8 @@ <&cpg CPG_CORE R8A77990_CLK_S3D1C>, <&scif_clk>; clock-names = "fck", "brg_int", "scif_clk"; - dmas = <&dmac1 0x5b>, <&dmac1 0x5a>, - <&dmac2 0x5b>, <&dmac2 0x5a>; - dma-names = "tx", "rx", "tx", "rx"; + dmas = <&dmac0 0x5b>, <&dmac0 0x5a>; + dma-names = "tx", "rx"; power-domains = <&sysc R8A77990_PD_ALWAYS_ON>; resets = <&cpg 202>; status = "disabled"; diff --git a/arch/arm64/include/asm/cputype.h b/arch/arm64/include/asm/cputype.h index 2afb1338b48a..5f1437099b99 100644 --- a/arch/arm64/include/asm/cputype.h +++ b/arch/arm64/include/asm/cputype.h @@ -77,6 +77,7 @@ #define ARM_CPU_IMP_QCOM 0x51 #define ARM_CPU_IMP_NVIDIA 0x4E #define ARM_CPU_IMP_FUJITSU 0x46 +#define ARM_CPU_IMP_HISI 0x48 #define ARM_CPU_PART_AEM_V8 0xD0F #define ARM_CPU_PART_FOUNDATION 0xD00 @@ -107,6 +108,8 @@ #define FUJITSU_CPU_PART_A64FX 0x001 +#define HISI_CPU_PART_TSV110 0xD01 + #define MIDR_CORTEX_A53 MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, ARM_CPU_PART_CORTEX_A53) #define MIDR_CORTEX_A57 MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, ARM_CPU_PART_CORTEX_A57) #define MIDR_CORTEX_A72 MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, ARM_CPU_PART_CORTEX_A72) @@ -126,10 +129,11 @@ #define MIDR_NVIDIA_DENVER MIDR_CPU_MODEL(ARM_CPU_IMP_NVIDIA, NVIDIA_CPU_PART_DENVER) #define MIDR_NVIDIA_CARMEL MIDR_CPU_MODEL(ARM_CPU_IMP_NVIDIA, NVIDIA_CPU_PART_CARMEL) #define MIDR_FUJITSU_A64FX MIDR_CPU_MODEL(ARM_CPU_IMP_FUJITSU, FUJITSU_CPU_PART_A64FX) +#define MIDR_HISI_TSV110 MIDR_CPU_MODEL(ARM_CPU_IMP_HISI, HISI_CPU_PART_TSV110) /* Fujitsu Erratum 010001 affects A64FX 1.0 and 1.1, (v0r0 and v1r0) */ #define MIDR_FUJITSU_ERRATUM_010001 MIDR_FUJITSU_A64FX -#define MIDR_FUJITSU_ERRATUM_010001_MASK (~MIDR_VARIANT(1)) +#define MIDR_FUJITSU_ERRATUM_010001_MASK (~MIDR_CPU_VAR_REV(1, 0)) #define TCR_CLEAR_FUJITSU_ERRATUM_010001 (TCR_NFD1 | TCR_NFD0) #ifndef __ASSEMBLY__ diff --git a/arch/arm64/include/asm/kvm_mmu.h b/arch/arm64/include/asm/kvm_mmu.h index b0742a16c6c9..ebeefcf835e8 100644 --- a/arch/arm64/include/asm/kvm_mmu.h +++ b/arch/arm64/include/asm/kvm_mmu.h @@ -445,6 +445,17 @@ static inline int kvm_read_guest_lock(struct kvm *kvm, return ret; } +static inline int kvm_write_guest_lock(struct kvm *kvm, gpa_t gpa, + const void *data, unsigned long len) +{ + int srcu_idx = srcu_read_lock(&kvm->srcu); + int ret = kvm_write_guest(kvm, gpa, data, len); + + srcu_read_unlock(&kvm->srcu, srcu_idx); + + return ret; +} + #ifdef CONFIG_KVM_INDIRECT_VECTORS /* * EL2 vectors can be mapped and rerouted in a number of ways, diff --git a/arch/arm64/kernel/cpufeature.c b/arch/arm64/kernel/cpufeature.c index e24e94d28767..4061de10cea6 100644 --- a/arch/arm64/kernel/cpufeature.c +++ b/arch/arm64/kernel/cpufeature.c @@ -963,6 +963,7 @@ static bool unmap_kernel_at_el0(const struct arm64_cpu_capabilities *entry, MIDR_ALL_VERSIONS(MIDR_CORTEX_A57), MIDR_ALL_VERSIONS(MIDR_CORTEX_A72), MIDR_ALL_VERSIONS(MIDR_CORTEX_A73), + MIDR_ALL_VERSIONS(MIDR_HISI_TSV110), { /* sentinel */ } }; char const *str = "command line option"; diff --git a/arch/arm64/kernel/probes/kprobes.c b/arch/arm64/kernel/probes/kprobes.c index 7fb6f3aa5ceb..7a679caf4585 100644 --- a/arch/arm64/kernel/probes/kprobes.c +++ b/arch/arm64/kernel/probes/kprobes.c @@ -91,8 +91,6 @@ static void __kprobes arch_simulate_insn(struct kprobe *p, struct pt_regs *regs) int __kprobes arch_prepare_kprobe(struct kprobe *p) { unsigned long probe_addr = (unsigned long)p->addr; - extern char __start_rodata[]; - extern char __end_rodata[]; if (probe_addr & 0x3) return -EINVAL; @@ -100,10 +98,7 @@ int __kprobes arch_prepare_kprobe(struct kprobe *p) /* copy instruction */ p->opcode = le32_to_cpu(*p->addr); - if (in_exception_text(probe_addr)) - return -EINVAL; - if (probe_addr >= (unsigned long) __start_rodata && - probe_addr <= (unsigned long) __end_rodata) + if (search_exception_tables(probe_addr)) return -EINVAL; /* decode instruction */ @@ -476,26 +471,37 @@ kprobe_breakpoint_handler(struct pt_regs *regs, unsigned int esr) return DBG_HOOK_HANDLED; } -bool arch_within_kprobe_blacklist(unsigned long addr) +/* + * Provide a blacklist of symbols identifying ranges which cannot be kprobed. + * This blacklist is exposed to userspace via debugfs (kprobes/blacklist). + */ +int __init arch_populate_kprobe_blacklist(void) { - if ((addr >= (unsigned long)__kprobes_text_start && - addr < (unsigned long)__kprobes_text_end) || - (addr >= (unsigned long)__entry_text_start && - addr < (unsigned long)__entry_text_end) || - (addr >= (unsigned long)__idmap_text_start && - addr < (unsigned long)__idmap_text_end) || - (addr >= (unsigned long)__hyp_text_start && - addr < (unsigned long)__hyp_text_end) || - !!search_exception_tables(addr)) - return true; - - if (!is_kernel_in_hyp_mode()) { - if ((addr >= (unsigned long)__hyp_idmap_text_start && - addr < (unsigned long)__hyp_idmap_text_end)) - return true; - } - - return false; + int ret; + + ret = kprobe_add_area_blacklist((unsigned long)__entry_text_start, + (unsigned long)__entry_text_end); + if (ret) + return ret; + ret = kprobe_add_area_blacklist((unsigned long)__irqentry_text_start, + (unsigned long)__irqentry_text_end); + if (ret) + return ret; + ret = kprobe_add_area_blacklist((unsigned long)__exception_text_start, + (unsigned long)__exception_text_end); + if (ret) + return ret; + ret = kprobe_add_area_blacklist((unsigned long)__idmap_text_start, + (unsigned long)__idmap_text_end); + if (ret) + return ret; + ret = kprobe_add_area_blacklist((unsigned long)__hyp_text_start, + (unsigned long)__hyp_text_end); + if (ret || is_kernel_in_hyp_mode()) + return ret; + ret = kprobe_add_area_blacklist((unsigned long)__hyp_idmap_text_start, + (unsigned long)__hyp_idmap_text_end); + return ret; } void __kprobes __used *trampoline_probe_handler(struct pt_regs *regs) diff --git a/arch/arm64/kernel/setup.c b/arch/arm64/kernel/setup.c index f8482fe5a190..413d566405d1 100644 --- a/arch/arm64/kernel/setup.c +++ b/arch/arm64/kernel/setup.c @@ -217,7 +217,7 @@ static void __init request_standard_resources(void) num_standard_resources = memblock.memory.cnt; res_size = num_standard_resources * sizeof(*standard_resources); - standard_resources = memblock_alloc_low(res_size, SMP_CACHE_BYTES); + standard_resources = memblock_alloc(res_size, SMP_CACHE_BYTES); if (!standard_resources) panic("%s: Failed to allocate %zu bytes\n", __func__, res_size); diff --git a/arch/arm64/kernel/stacktrace.c b/arch/arm64/kernel/stacktrace.c index 1a29f2695ff2..d908b5e9e949 100644 --- a/arch/arm64/kernel/stacktrace.c +++ b/arch/arm64/kernel/stacktrace.c @@ -143,6 +143,7 @@ void save_stack_trace_regs(struct pt_regs *regs, struct stack_trace *trace) if (trace->nr_entries < trace->max_entries) trace->entries[trace->nr_entries++] = ULONG_MAX; } +EXPORT_SYMBOL_GPL(save_stack_trace_regs); static noinline void __save_stack_trace(struct task_struct *tsk, struct stack_trace *trace, unsigned int nosched) diff --git a/arch/arm64/kvm/reset.c b/arch/arm64/kvm/reset.c index f16a5f8ff2b4..e2a0500cd7a2 100644 --- a/arch/arm64/kvm/reset.c +++ b/arch/arm64/kvm/reset.c @@ -123,6 +123,9 @@ int kvm_reset_vcpu(struct kvm_vcpu *vcpu) int ret = -EINVAL; bool loaded; + /* Reset PMU outside of the non-preemptible section */ + kvm_pmu_vcpu_reset(vcpu); + preempt_disable(); loaded = (vcpu->cpu != -1); if (loaded) @@ -170,9 +173,6 @@ int kvm_reset_vcpu(struct kvm_vcpu *vcpu) vcpu->arch.reset_state.reset = false; } - /* Reset PMU */ - kvm_pmu_vcpu_reset(vcpu); - /* Default workaround setup is enabled (if supported) */ if (kvm_arm_have_ssbd() == KVM_SSBD_KERNEL) vcpu->arch.workaround_flags |= VCPU_WORKAROUND_2_FLAG; diff --git a/arch/c6x/include/asm/Kbuild b/arch/c6x/include/asm/Kbuild index 63b4a1705182..249c9f6f26dc 100644 --- a/arch/c6x/include/asm/Kbuild +++ b/arch/c6x/include/asm/Kbuild @@ -19,6 +19,7 @@ generic-y += irq_work.h generic-y += kdebug.h generic-y += kmap_types.h generic-y += kprobes.h +generic-y += kvm_para.h generic-y += local.h generic-y += mcs_spinlock.h generic-y += mm-arch-hooks.h diff --git a/arch/c6x/include/uapi/asm/Kbuild b/arch/c6x/include/uapi/asm/Kbuild index 755bb11323d8..1c72f04ff75d 100644 --- a/arch/c6x/include/uapi/asm/Kbuild +++ b/arch/c6x/include/uapi/asm/Kbuild @@ -1,2 +1 @@ -generic-y += kvm_para.h generic-y += ucontext.h diff --git a/arch/h8300/include/asm/Kbuild b/arch/h8300/include/asm/Kbuild index 3e7c8ecf151e..e3dead402e5f 100644 --- a/arch/h8300/include/asm/Kbuild +++ b/arch/h8300/include/asm/Kbuild @@ -23,6 +23,7 @@ generic-y += irq_work.h generic-y += kdebug.h generic-y += kmap_types.h generic-y += kprobes.h +generic-y += kvm_para.h generic-y += linkage.h generic-y += local.h generic-y += local64.h diff --git a/arch/h8300/include/uapi/asm/Kbuild b/arch/h8300/include/uapi/asm/Kbuild index 755bb11323d8..1c72f04ff75d 100644 --- a/arch/h8300/include/uapi/asm/Kbuild +++ b/arch/h8300/include/uapi/asm/Kbuild @@ -1,2 +1 @@ -generic-y += kvm_para.h generic-y += ucontext.h diff --git a/arch/hexagon/include/asm/Kbuild b/arch/hexagon/include/asm/Kbuild index b25fd42aa0f4..d046e8ccdf78 100644 --- a/arch/hexagon/include/asm/Kbuild +++ b/arch/hexagon/include/asm/Kbuild @@ -19,6 +19,7 @@ generic-y += irq_work.h generic-y += kdebug.h generic-y += kmap_types.h generic-y += kprobes.h +generic-y += kvm_para.h generic-y += local.h generic-y += local64.h generic-y += mcs_spinlock.h diff --git a/arch/hexagon/include/uapi/asm/kvm_para.h b/arch/hexagon/include/uapi/asm/kvm_para.h deleted file mode 100644 index baacc4996d18..000000000000 --- a/arch/hexagon/include/uapi/asm/kvm_para.h +++ /dev/null @@ -1,2 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ -#include <asm-generic/kvm_para.h> diff --git a/arch/ia64/include/asm/Kbuild b/arch/ia64/include/asm/Kbuild index 43e21fe3499c..11f191689c9e 100644 --- a/arch/ia64/include/asm/Kbuild +++ b/arch/ia64/include/asm/Kbuild @@ -2,6 +2,7 @@ generated-y += syscall_table.h generic-y += compat.h generic-y += exec.h generic-y += irq_work.h +generic-y += kvm_para.h generic-y += mcs_spinlock.h generic-y += mm-arch-hooks.h generic-y += preempt.h diff --git a/arch/ia64/include/uapi/asm/Kbuild b/arch/ia64/include/uapi/asm/Kbuild index 20018cb883a9..62a9522af51e 100644 --- a/arch/ia64/include/uapi/asm/Kbuild +++ b/arch/ia64/include/uapi/asm/Kbuild @@ -1,2 +1 @@ generated-y += unistd_64.h -generic-y += kvm_para.h diff --git a/arch/m68k/include/asm/Kbuild b/arch/m68k/include/asm/Kbuild index 95f8f631c4df..2c359d9e80f6 100644 --- a/arch/m68k/include/asm/Kbuild +++ b/arch/m68k/include/asm/Kbuild @@ -13,6 +13,7 @@ generic-y += irq_work.h generic-y += kdebug.h generic-y += kmap_types.h generic-y += kprobes.h +generic-y += kvm_para.h generic-y += local.h generic-y += local64.h generic-y += mcs_spinlock.h diff --git a/arch/m68k/include/uapi/asm/Kbuild b/arch/m68k/include/uapi/asm/Kbuild index 8a7ad40be463..7417847dc438 100644 --- a/arch/m68k/include/uapi/asm/Kbuild +++ b/arch/m68k/include/uapi/asm/Kbuild @@ -1,2 +1 @@ generated-y += unistd_32.h -generic-y += kvm_para.h diff --git a/arch/microblaze/include/asm/Kbuild b/arch/microblaze/include/asm/Kbuild index 791cc8d54d0a..1a8285c3f693 100644 --- a/arch/microblaze/include/asm/Kbuild +++ b/arch/microblaze/include/asm/Kbuild @@ -17,6 +17,7 @@ generic-y += irq_work.h generic-y += kdebug.h generic-y += kmap_types.h generic-y += kprobes.h +generic-y += kvm_para.h generic-y += linkage.h generic-y += local.h generic-y += local64.h diff --git a/arch/microblaze/include/uapi/asm/Kbuild b/arch/microblaze/include/uapi/asm/Kbuild index 3ce84fbb2678..13f59631c576 100644 --- a/arch/microblaze/include/uapi/asm/Kbuild +++ b/arch/microblaze/include/uapi/asm/Kbuild @@ -1,3 +1,2 @@ generated-y += unistd_32.h -generic-y += kvm_para.h generic-y += ucontext.h diff --git a/arch/mips/bcm47xx/workarounds.c b/arch/mips/bcm47xx/workarounds.c index 46eddbec8d9f..0ab95dd431b3 100644 --- a/arch/mips/bcm47xx/workarounds.c +++ b/arch/mips/bcm47xx/workarounds.c @@ -24,6 +24,7 @@ void __init bcm47xx_workarounds(void) case BCM47XX_BOARD_NETGEAR_WNR3500L: bcm47xx_workarounds_enable_usb_power(12); break; + case BCM47XX_BOARD_NETGEAR_WNDR3400V2: case BCM47XX_BOARD_NETGEAR_WNDR3400_V3: bcm47xx_workarounds_enable_usb_power(21); break; diff --git a/arch/mips/include/asm/jump_label.h b/arch/mips/include/asm/jump_label.h index e77672539e8e..e4456e450f94 100644 --- a/arch/mips/include/asm/jump_label.h +++ b/arch/mips/include/asm/jump_label.h @@ -21,15 +21,15 @@ #endif #ifdef CONFIG_CPU_MICROMIPS -#define NOP_INSN "nop32" +#define B_INSN "b32" #else -#define NOP_INSN "nop" +#define B_INSN "b" #endif static __always_inline bool arch_static_branch(struct static_key *key, bool branch) { - asm_volatile_goto("1:\t" NOP_INSN "\n\t" - "nop\n\t" + asm_volatile_goto("1:\t" B_INSN " 2f\n\t" + "2:\tnop\n\t" ".pushsection __jump_table, \"aw\"\n\t" WORD_INSN " 1b, %l[l_yes], %0\n\t" ".popsection\n\t" diff --git a/arch/mips/include/uapi/asm/posix_types.h b/arch/mips/include/uapi/asm/posix_types.h index 6aa49c10f88f..f0ccb5b90ce9 100644 --- a/arch/mips/include/uapi/asm/posix_types.h +++ b/arch/mips/include/uapi/asm/posix_types.h @@ -21,13 +21,6 @@ typedef long __kernel_daddr_t; #define __kernel_daddr_t __kernel_daddr_t -#if (_MIPS_SZLONG == 32) -typedef struct { - long val[2]; -} __kernel_fsid_t; -#define __kernel_fsid_t __kernel_fsid_t -#endif - #include <asm-generic/posix_types.h> #endif /* _ASM_POSIX_TYPES_H */ diff --git a/arch/mips/kernel/vmlinux.lds.S b/arch/mips/kernel/vmlinux.lds.S index cb7e9ed7a453..33ee0d18fb0a 100644 --- a/arch/mips/kernel/vmlinux.lds.S +++ b/arch/mips/kernel/vmlinux.lds.S @@ -140,6 +140,13 @@ SECTIONS PERCPU_SECTION(1 << CONFIG_MIPS_L1_CACHE_SHIFT) #endif +#ifdef CONFIG_MIPS_ELF_APPENDED_DTB + .appended_dtb : AT(ADDR(.appended_dtb) - LOAD_OFFSET) { + *(.appended_dtb) + KEEP(*(.appended_dtb)) + } +#endif + #ifdef CONFIG_RELOCATABLE . = ALIGN(4); @@ -164,11 +171,6 @@ SECTIONS __appended_dtb = .; /* leave space for appended DTB */ . += 0x100000; -#elif defined(CONFIG_MIPS_ELF_APPENDED_DTB) - .appended_dtb : AT(ADDR(.appended_dtb) - LOAD_OFFSET) { - *(.appended_dtb) - KEEP(*(.appended_dtb)) - } #endif /* * Align to 64K in attempt to eliminate holes before the diff --git a/arch/mips/loongson64/lemote-2f/irq.c b/arch/mips/loongson64/lemote-2f/irq.c index 9e33e45aa17c..b213cecb8e3a 100644 --- a/arch/mips/loongson64/lemote-2f/irq.c +++ b/arch/mips/loongson64/lemote-2f/irq.c @@ -103,7 +103,7 @@ static struct irqaction ip6_irqaction = { static struct irqaction cascade_irqaction = { .handler = no_action, .name = "cascade", - .flags = IRQF_NO_THREAD, + .flags = IRQF_NO_THREAD | IRQF_NO_SUSPEND, }; void __init mach_init_irq(void) diff --git a/arch/nios2/include/asm/Kbuild b/arch/nios2/include/asm/Kbuild index 8fde4fa2c34f..88a667d12aaa 100644 --- a/arch/nios2/include/asm/Kbuild +++ b/arch/nios2/include/asm/Kbuild @@ -23,6 +23,7 @@ generic-y += irq_work.h generic-y += kdebug.h generic-y += kmap_types.h generic-y += kprobes.h +generic-y += kvm_para.h generic-y += local.h generic-y += mcs_spinlock.h generic-y += mm-arch-hooks.h diff --git a/arch/nios2/include/uapi/asm/Kbuild b/arch/nios2/include/uapi/asm/Kbuild index 755bb11323d8..1c72f04ff75d 100644 --- a/arch/nios2/include/uapi/asm/Kbuild +++ b/arch/nios2/include/uapi/asm/Kbuild @@ -1,2 +1 @@ -generic-y += kvm_para.h generic-y += ucontext.h diff --git a/arch/openrisc/include/asm/Kbuild b/arch/openrisc/include/asm/Kbuild index 5a73e2956ac4..22aa97136c01 100644 --- a/arch/openrisc/include/asm/Kbuild +++ b/arch/openrisc/include/asm/Kbuild @@ -20,6 +20,7 @@ generic-y += irq_work.h generic-y += kdebug.h generic-y += kmap_types.h generic-y += kprobes.h +generic-y += kvm_para.h generic-y += local.h generic-y += mcs_spinlock.h generic-y += mm-arch-hooks.h diff --git a/arch/openrisc/include/uapi/asm/Kbuild b/arch/openrisc/include/uapi/asm/Kbuild index 755bb11323d8..1c72f04ff75d 100644 --- a/arch/openrisc/include/uapi/asm/Kbuild +++ b/arch/openrisc/include/uapi/asm/Kbuild @@ -1,2 +1 @@ -generic-y += kvm_para.h generic-y += ucontext.h diff --git a/arch/parisc/include/asm/Kbuild b/arch/parisc/include/asm/Kbuild index 6f49e77d82a2..9bcd0c903dbb 100644 --- a/arch/parisc/include/asm/Kbuild +++ b/arch/parisc/include/asm/Kbuild @@ -11,6 +11,7 @@ generic-y += irq_regs.h generic-y += irq_work.h generic-y += kdebug.h generic-y += kprobes.h +generic-y += kvm_para.h generic-y += local.h generic-y += local64.h generic-y += mcs_spinlock.h diff --git a/arch/parisc/include/uapi/asm/Kbuild b/arch/parisc/include/uapi/asm/Kbuild index 22fdbd08cdc8..2bd5b392277c 100644 --- a/arch/parisc/include/uapi/asm/Kbuild +++ b/arch/parisc/include/uapi/asm/Kbuild @@ -1,3 +1,2 @@ generated-y += unistd_32.h generated-y += unistd_64.h -generic-y += kvm_para.h diff --git a/arch/powerpc/include/asm/mmu.h b/arch/powerpc/include/asm/mmu.h index d34ad1657d7b..598cdcdd1355 100644 --- a/arch/powerpc/include/asm/mmu.h +++ b/arch/powerpc/include/asm/mmu.h @@ -352,7 +352,7 @@ static inline bool strict_kernel_rwx_enabled(void) #if defined(CONFIG_SPARSEMEM_VMEMMAP) && defined(CONFIG_SPARSEMEM_EXTREME) && \ defined (CONFIG_PPC_64K_PAGES) #define MAX_PHYSMEM_BITS 51 -#else +#elif defined(CONFIG_SPARSEMEM) #define MAX_PHYSMEM_BITS 46 #endif diff --git a/arch/powerpc/include/asm/ppc-opcode.h b/arch/powerpc/include/asm/ppc-opcode.h index c5698a523bb1..23f7ed796f38 100644 --- a/arch/powerpc/include/asm/ppc-opcode.h +++ b/arch/powerpc/include/asm/ppc-opcode.h @@ -302,6 +302,7 @@ /* Misc instructions for BPF compiler */ #define PPC_INST_LBZ 0x88000000 #define PPC_INST_LD 0xe8000000 +#define PPC_INST_LDX 0x7c00002a #define PPC_INST_LHZ 0xa0000000 #define PPC_INST_LWZ 0x80000000 #define PPC_INST_LHBRX 0x7c00062c @@ -309,6 +310,7 @@ #define PPC_INST_STB 0x98000000 #define PPC_INST_STH 0xb0000000 #define PPC_INST_STD 0xf8000000 +#define PPC_INST_STDX 0x7c00012a #define PPC_INST_STDU 0xf8000001 #define PPC_INST_STW 0x90000000 #define PPC_INST_STWU 0x94000000 diff --git a/arch/powerpc/include/asm/vdso_datapage.h b/arch/powerpc/include/asm/vdso_datapage.h index 1afe90ade595..bbc06bd72b1f 100644 --- a/arch/powerpc/include/asm/vdso_datapage.h +++ b/arch/powerpc/include/asm/vdso_datapage.h @@ -82,10 +82,10 @@ struct vdso_data { __u32 icache_block_size; /* L1 i-cache block size */ __u32 dcache_log_block_size; /* L1 d-cache log block size */ __u32 icache_log_block_size; /* L1 i-cache log block size */ - __s32 wtom_clock_sec; /* Wall to monotonic clock */ - __s32 wtom_clock_nsec; - struct timespec stamp_xtime; /* xtime as at tb_orig_stamp */ - __u32 stamp_sec_fraction; /* fractional seconds of stamp_xtime */ + __u32 stamp_sec_fraction; /* fractional seconds of stamp_xtime */ + __s32 wtom_clock_nsec; /* Wall to monotonic clock nsec */ + __s64 wtom_clock_sec; /* Wall to monotonic clock sec */ + struct timespec stamp_xtime; /* xtime as at tb_orig_stamp */ __u32 syscall_map_64[SYSCALL_MAP_SIZE]; /* map of syscalls */ __u32 syscall_map_32[SYSCALL_MAP_SIZE]; /* map of syscalls */ }; diff --git a/arch/powerpc/kernel/cpu_setup_6xx.S b/arch/powerpc/kernel/cpu_setup_6xx.S index 6f1c11e0691f..7534ecff5e92 100644 --- a/arch/powerpc/kernel/cpu_setup_6xx.S +++ b/arch/powerpc/kernel/cpu_setup_6xx.S @@ -24,9 +24,6 @@ BEGIN_MMU_FTR_SECTION li r10,0 mtspr SPRN_SPRG_603_LRU,r10 /* init SW LRU tracking */ END_MMU_FTR_SECTION_IFSET(MMU_FTR_NEED_DTLB_SW_LRU) - lis r10, (swapper_pg_dir - PAGE_OFFSET)@h - ori r10, r10, (swapper_pg_dir - PAGE_OFFSET)@l - mtspr SPRN_SPRG_PGDIR, r10 BEGIN_FTR_SECTION bl __init_fpu_registers diff --git a/arch/powerpc/kernel/head_32.S b/arch/powerpc/kernel/head_32.S index ce6a972f2584..48051c8977c5 100644 --- a/arch/powerpc/kernel/head_32.S +++ b/arch/powerpc/kernel/head_32.S @@ -855,6 +855,9 @@ __secondary_start: li r3,0 stw r3, RTAS_SP(r4) /* 0 => not in RTAS */ #endif + lis r4, (swapper_pg_dir - PAGE_OFFSET)@h + ori r4, r4, (swapper_pg_dir - PAGE_OFFSET)@l + mtspr SPRN_SPRG_PGDIR, r4 /* enable MMU and jump to start_secondary */ li r4,MSR_KERNEL @@ -942,6 +945,9 @@ start_here: li r3,0 stw r3, RTAS_SP(r4) /* 0 => not in RTAS */ #endif + lis r4, (swapper_pg_dir - PAGE_OFFSET)@h + ori r4, r4, (swapper_pg_dir - PAGE_OFFSET)@l + mtspr SPRN_SPRG_PGDIR, r4 /* stack */ lis r1,init_thread_union@ha diff --git a/arch/powerpc/kernel/security.c b/arch/powerpc/kernel/security.c index 9b8631533e02..b33bafb8fcea 100644 --- a/arch/powerpc/kernel/security.c +++ b/arch/powerpc/kernel/security.c @@ -190,29 +190,22 @@ ssize_t cpu_show_spectre_v2(struct device *dev, struct device_attribute *attr, c bcs = security_ftr_enabled(SEC_FTR_BCCTRL_SERIALISED); ccd = security_ftr_enabled(SEC_FTR_COUNT_CACHE_DISABLED); - if (bcs || ccd || count_cache_flush_type != COUNT_CACHE_FLUSH_NONE) { - bool comma = false; + if (bcs || ccd) { seq_buf_printf(&s, "Mitigation: "); - if (bcs) { + if (bcs) seq_buf_printf(&s, "Indirect branch serialisation (kernel only)"); - comma = true; - } - if (ccd) { - if (comma) - seq_buf_printf(&s, ", "); - seq_buf_printf(&s, "Indirect branch cache disabled"); - comma = true; - } - - if (comma) + if (bcs && ccd) seq_buf_printf(&s, ", "); - seq_buf_printf(&s, "Software count cache flush"); + if (ccd) + seq_buf_printf(&s, "Indirect branch cache disabled"); + } else if (count_cache_flush_type != COUNT_CACHE_FLUSH_NONE) { + seq_buf_printf(&s, "Mitigation: Software count cache flush"); if (count_cache_flush_type == COUNT_CACHE_FLUSH_HW) - seq_buf_printf(&s, "(hardware accelerated)"); + seq_buf_printf(&s, " (hardware accelerated)"); } else if (btb_flush_enabled) { seq_buf_printf(&s, "Mitigation: Branch predictor state flush"); } else { diff --git a/arch/powerpc/kernel/vdso64/gettimeofday.S b/arch/powerpc/kernel/vdso64/gettimeofday.S index a4ed9edfd5f0..1f324c28705b 100644 --- a/arch/powerpc/kernel/vdso64/gettimeofday.S +++ b/arch/powerpc/kernel/vdso64/gettimeofday.S @@ -92,7 +92,7 @@ V_FUNCTION_BEGIN(__kernel_clock_gettime) * At this point, r4,r5 contain our sec/nsec values. */ - lwa r6,WTOM_CLOCK_SEC(r3) + ld r6,WTOM_CLOCK_SEC(r3) lwa r9,WTOM_CLOCK_NSEC(r3) /* We now have our result in r6,r9. We create a fake dependency @@ -125,7 +125,7 @@ V_FUNCTION_BEGIN(__kernel_clock_gettime) bne cr6,75f /* CLOCK_MONOTONIC_COARSE */ - lwa r6,WTOM_CLOCK_SEC(r3) + ld r6,WTOM_CLOCK_SEC(r3) lwa r9,WTOM_CLOCK_NSEC(r3) /* check if counter has updated */ diff --git a/arch/powerpc/lib/memcmp_64.S b/arch/powerpc/lib/memcmp_64.S index 844d8e774492..b7f6f6e0b6e8 100644 --- a/arch/powerpc/lib/memcmp_64.S +++ b/arch/powerpc/lib/memcmp_64.S @@ -215,11 +215,20 @@ _GLOBAL_TOC(memcmp) beq .Lzero .Lcmp_rest_lt8bytes: - /* Here we have only less than 8 bytes to compare with. at least s1 - * Address is aligned with 8 bytes. - * The next double words are load and shift right with appropriate - * bits. + /* + * Here we have less than 8 bytes to compare. At least s1 is aligned to + * 8 bytes, but s2 may not be. We must make sure s2 + 7 doesn't cross a + * page boundary, otherwise we might read past the end of the buffer and + * trigger a page fault. We use 4K as the conservative minimum page + * size. If we detect that case we go to the byte-by-byte loop. + * + * Otherwise the next double word is loaded from s1 and s2, and shifted + * right to compare the appropriate bits. */ + clrldi r6,r4,(64-12) // r6 = r4 & 0xfff + cmpdi r6,0xff8 + bgt .Lshort + subfic r6,r5,8 slwi r6,r6,3 LD rA,0,r3 diff --git a/arch/powerpc/mm/hash_low_32.S b/arch/powerpc/mm/hash_low_32.S index 1f13494efb2b..a6c491f18a04 100644 --- a/arch/powerpc/mm/hash_low_32.S +++ b/arch/powerpc/mm/hash_low_32.S @@ -70,12 +70,12 @@ _GLOBAL(hash_page) lis r0,KERNELBASE@h /* check if kernel address */ cmplw 0,r4,r0 ori r3,r3,_PAGE_USER|_PAGE_PRESENT /* test low addresses as user */ - mfspr r5, SPRN_SPRG_PGDIR /* virt page-table root */ + mfspr r5, SPRN_SPRG_PGDIR /* phys page-table root */ blt+ 112f /* assume user more likely */ - lis r5,swapper_pg_dir@ha /* if kernel address, use */ - addi r5,r5,swapper_pg_dir@l /* kernel page table */ + lis r5, (swapper_pg_dir - PAGE_OFFSET)@ha /* if kernel address, use */ + addi r5 ,r5 ,(swapper_pg_dir - PAGE_OFFSET)@l /* kernel page table */ rlwimi r3,r9,32-12,29,29 /* MSR_PR -> _PAGE_USER */ -112: tophys(r5, r5) +112: #ifndef CONFIG_PTE_64BIT rlwimi r5,r4,12,20,29 /* insert top 10 bits of address */ lwz r8,0(r5) /* get pmd entry */ diff --git a/arch/powerpc/net/bpf_jit.h b/arch/powerpc/net/bpf_jit.h index 549e9490ff2a..dcac37745b05 100644 --- a/arch/powerpc/net/bpf_jit.h +++ b/arch/powerpc/net/bpf_jit.h @@ -51,6 +51,8 @@ #define PPC_LIS(r, i) PPC_ADDIS(r, 0, i) #define PPC_STD(r, base, i) EMIT(PPC_INST_STD | ___PPC_RS(r) | \ ___PPC_RA(base) | ((i) & 0xfffc)) +#define PPC_STDX(r, base, b) EMIT(PPC_INST_STDX | ___PPC_RS(r) | \ + ___PPC_RA(base) | ___PPC_RB(b)) #define PPC_STDU(r, base, i) EMIT(PPC_INST_STDU | ___PPC_RS(r) | \ ___PPC_RA(base) | ((i) & 0xfffc)) #define PPC_STW(r, base, i) EMIT(PPC_INST_STW | ___PPC_RS(r) | \ @@ -65,7 +67,9 @@ #define PPC_LBZ(r, base, i) EMIT(PPC_INST_LBZ | ___PPC_RT(r) | \ ___PPC_RA(base) | IMM_L(i)) #define PPC_LD(r, base, i) EMIT(PPC_INST_LD | ___PPC_RT(r) | \ - ___PPC_RA(base) | IMM_L(i)) + ___PPC_RA(base) | ((i) & 0xfffc)) +#define PPC_LDX(r, base, b) EMIT(PPC_INST_LDX | ___PPC_RT(r) | \ + ___PPC_RA(base) | ___PPC_RB(b)) #define PPC_LWZ(r, base, i) EMIT(PPC_INST_LWZ | ___PPC_RT(r) | \ ___PPC_RA(base) | IMM_L(i)) #define PPC_LHZ(r, base, i) EMIT(PPC_INST_LHZ | ___PPC_RT(r) | \ @@ -85,17 +89,6 @@ ___PPC_RA(a) | ___PPC_RB(b)) #define PPC_BPF_STDCX(s, a, b) EMIT(PPC_INST_STDCX | ___PPC_RS(s) | \ ___PPC_RA(a) | ___PPC_RB(b)) - -#ifdef CONFIG_PPC64 -#define PPC_BPF_LL(r, base, i) do { PPC_LD(r, base, i); } while(0) -#define PPC_BPF_STL(r, base, i) do { PPC_STD(r, base, i); } while(0) -#define PPC_BPF_STLU(r, base, i) do { PPC_STDU(r, base, i); } while(0) -#else -#define PPC_BPF_LL(r, base, i) do { PPC_LWZ(r, base, i); } while(0) -#define PPC_BPF_STL(r, base, i) do { PPC_STW(r, base, i); } while(0) -#define PPC_BPF_STLU(r, base, i) do { PPC_STWU(r, base, i); } while(0) -#endif - #define PPC_CMPWI(a, i) EMIT(PPC_INST_CMPWI | ___PPC_RA(a) | IMM_L(i)) #define PPC_CMPDI(a, i) EMIT(PPC_INST_CMPDI | ___PPC_RA(a) | IMM_L(i)) #define PPC_CMPW(a, b) EMIT(PPC_INST_CMPW | ___PPC_RA(a) | \ diff --git a/arch/powerpc/net/bpf_jit32.h b/arch/powerpc/net/bpf_jit32.h index dc50a8d4b3b9..21744d8aa053 100644 --- a/arch/powerpc/net/bpf_jit32.h +++ b/arch/powerpc/net/bpf_jit32.h @@ -122,6 +122,10 @@ DECLARE_LOAD_FUNC(sk_load_byte_msh); #define PPC_NTOHS_OFFS(r, base, i) PPC_LHZ_OFFS(r, base, i) #endif +#define PPC_BPF_LL(r, base, i) do { PPC_LWZ(r, base, i); } while(0) +#define PPC_BPF_STL(r, base, i) do { PPC_STW(r, base, i); } while(0) +#define PPC_BPF_STLU(r, base, i) do { PPC_STWU(r, base, i); } while(0) + #define SEEN_DATAREF 0x10000 /* might call external helpers */ #define SEEN_XREG 0x20000 /* X reg is used */ #define SEEN_MEM 0x40000 /* SEEN_MEM+(1<<n) = use mem[n] for temporary diff --git a/arch/powerpc/net/bpf_jit64.h b/arch/powerpc/net/bpf_jit64.h index 3609be4692b3..47f441f351a6 100644 --- a/arch/powerpc/net/bpf_jit64.h +++ b/arch/powerpc/net/bpf_jit64.h @@ -68,6 +68,26 @@ static const int b2p[] = { /* PPC NVR range -- update this if we ever use NVRs below r27 */ #define BPF_PPC_NVR_MIN 27 +/* + * WARNING: These can use TMP_REG_2 if the offset is not at word boundary, + * so ensure that it isn't in use already. + */ +#define PPC_BPF_LL(r, base, i) do { \ + if ((i) % 4) { \ + PPC_LI(b2p[TMP_REG_2], (i)); \ + PPC_LDX(r, base, b2p[TMP_REG_2]); \ + } else \ + PPC_LD(r, base, i); \ + } while(0) +#define PPC_BPF_STL(r, base, i) do { \ + if ((i) % 4) { \ + PPC_LI(b2p[TMP_REG_2], (i)); \ + PPC_STDX(r, base, b2p[TMP_REG_2]); \ + } else \ + PPC_STD(r, base, i); \ + } while(0) +#define PPC_BPF_STLU(r, base, i) do { PPC_STDU(r, base, i); } while(0) + #define SEEN_FUNC 0x1000 /* might call external helpers */ #define SEEN_STACK 0x2000 /* uses BPF stack */ #define SEEN_TAILCALL 0x4000 /* uses tail calls */ diff --git a/arch/powerpc/net/bpf_jit_comp64.c b/arch/powerpc/net/bpf_jit_comp64.c index 4194d3cfb60c..21a1dcd4b156 100644 --- a/arch/powerpc/net/bpf_jit_comp64.c +++ b/arch/powerpc/net/bpf_jit_comp64.c @@ -252,7 +252,7 @@ static void bpf_jit_emit_tail_call(u32 *image, struct codegen_context *ctx, u32 * if (tail_call_cnt > MAX_TAIL_CALL_CNT) * goto out; */ - PPC_LD(b2p[TMP_REG_1], 1, bpf_jit_stack_tailcallcnt(ctx)); + PPC_BPF_LL(b2p[TMP_REG_1], 1, bpf_jit_stack_tailcallcnt(ctx)); PPC_CMPLWI(b2p[TMP_REG_1], MAX_TAIL_CALL_CNT); PPC_BCC(COND_GT, out); @@ -265,7 +265,7 @@ static void bpf_jit_emit_tail_call(u32 *image, struct codegen_context *ctx, u32 /* prog = array->ptrs[index]; */ PPC_MULI(b2p[TMP_REG_1], b2p_index, 8); PPC_ADD(b2p[TMP_REG_1], b2p[TMP_REG_1], b2p_bpf_array); - PPC_LD(b2p[TMP_REG_1], b2p[TMP_REG_1], offsetof(struct bpf_array, ptrs)); + PPC_BPF_LL(b2p[TMP_REG_1], b2p[TMP_REG_1], offsetof(struct bpf_array, ptrs)); /* * if (prog == NULL) @@ -275,7 +275,7 @@ static void bpf_jit_emit_tail_call(u32 *image, struct codegen_context *ctx, u32 PPC_BCC(COND_EQ, out); /* goto *(prog->bpf_func + prologue_size); */ - PPC_LD(b2p[TMP_REG_1], b2p[TMP_REG_1], offsetof(struct bpf_prog, bpf_func)); + PPC_BPF_LL(b2p[TMP_REG_1], b2p[TMP_REG_1], offsetof(struct bpf_prog, bpf_func)); #ifdef PPC64_ELF_ABI_v1 /* skip past the function descriptor */ PPC_ADDI(b2p[TMP_REG_1], b2p[TMP_REG_1], @@ -606,7 +606,7 @@ bpf_alu32_trunc: * the instructions generated will remain the * same across all passes */ - PPC_STD(dst_reg, 1, bpf_jit_stack_local(ctx)); + PPC_BPF_STL(dst_reg, 1, bpf_jit_stack_local(ctx)); PPC_ADDI(b2p[TMP_REG_1], 1, bpf_jit_stack_local(ctx)); PPC_LDBRX(dst_reg, 0, b2p[TMP_REG_1]); break; @@ -662,7 +662,7 @@ emit_clear: PPC_LI32(b2p[TMP_REG_1], imm); src_reg = b2p[TMP_REG_1]; } - PPC_STD(src_reg, dst_reg, off); + PPC_BPF_STL(src_reg, dst_reg, off); break; /* @@ -709,7 +709,7 @@ emit_clear: break; /* dst = *(u64 *)(ul) (src + off) */ case BPF_LDX | BPF_MEM | BPF_DW: - PPC_LD(dst_reg, src_reg, off); + PPC_BPF_LL(dst_reg, src_reg, off); break; /* diff --git a/arch/powerpc/platforms/pseries/pseries_energy.c b/arch/powerpc/platforms/pseries/pseries_energy.c index 6ed22127391b..921f12182f3e 100644 --- a/arch/powerpc/platforms/pseries/pseries_energy.c +++ b/arch/powerpc/platforms/pseries/pseries_energy.c @@ -77,18 +77,27 @@ static u32 cpu_to_drc_index(int cpu) ret = drc.drc_index_start + (thread_index * drc.sequential_inc); } else { - const __be32 *indexes; - - indexes = of_get_property(dn, "ibm,drc-indexes", NULL); - if (indexes == NULL) - goto err_of_node_put; + u32 nr_drc_indexes, thread_drc_index; /* - * The first element indexes[0] is the number of drc_indexes - * returned in the list. Hence thread_index+1 will get the - * drc_index corresponding to core number thread_index. + * The first element of ibm,drc-indexes array is the + * number of drc_indexes returned in the list. Hence + * thread_index+1 will get the drc_index corresponding + * to core number thread_index. */ - ret = indexes[thread_index + 1]; + rc = of_property_read_u32_index(dn, "ibm,drc-indexes", + 0, &nr_drc_indexes); + if (rc) + goto err_of_node_put; + + WARN_ON_ONCE(thread_index > nr_drc_indexes); + rc = of_property_read_u32_index(dn, "ibm,drc-indexes", + thread_index + 1, + &thread_drc_index); + if (rc) + goto err_of_node_put; + + ret = thread_drc_index; } rc = 0; diff --git a/arch/powerpc/platforms/pseries/ras.c b/arch/powerpc/platforms/pseries/ras.c index d97d52772789..452dcfd7e5dd 100644 --- a/arch/powerpc/platforms/pseries/ras.c +++ b/arch/powerpc/platforms/pseries/ras.c @@ -550,6 +550,7 @@ static void pseries_print_mce_info(struct pt_regs *regs, "UE", "SLB", "ERAT", + "Unknown", "TLB", "D-Cache", "Unknown", diff --git a/arch/s390/include/asm/ap.h b/arch/s390/include/asm/ap.h index 1a6a7092d942..e94a0a28b5eb 100644 --- a/arch/s390/include/asm/ap.h +++ b/arch/s390/include/asm/ap.h @@ -360,4 +360,15 @@ static inline struct ap_queue_status ap_dqap(ap_qid_t qid, return reg1; } +/* + * Interface to tell the AP bus code that a configuration + * change has happened. The bus code should at least do + * an ap bus resource rescan. + */ +#if IS_ENABLED(CONFIG_ZCRYPT) +void ap_bus_cfg_chg(void); +#else +static inline void ap_bus_cfg_chg(void){}; +#endif + #endif /* _ASM_S390_AP_H_ */ diff --git a/arch/s390/include/asm/elf.h b/arch/s390/include/asm/elf.h index 7d22a474a040..f74639a05f0f 100644 --- a/arch/s390/include/asm/elf.h +++ b/arch/s390/include/asm/elf.h @@ -252,11 +252,14 @@ do { \ /* * Cache aliasing on the latest machines calls for a mapping granularity - * of 512KB. For 64-bit processes use a 512KB alignment and a randomization - * of up to 1GB. For 31-bit processes the virtual address space is limited, - * use no alignment and limit the randomization to 8MB. + * of 512KB for the anonymous mapping base. For 64-bit processes use a + * 512KB alignment and a randomization of up to 1GB. For 31-bit processes + * the virtual address space is limited, use no alignment and limit the + * randomization to 8MB. + * For the additional randomization of the program break use 32MB for + * 64-bit and 8MB for 31-bit. */ -#define BRK_RND_MASK (is_compat_task() ? 0x7ffUL : 0x3ffffUL) +#define BRK_RND_MASK (is_compat_task() ? 0x7ffUL : 0x1fffUL) #define MMAP_RND_MASK (is_compat_task() ? 0x7ffUL : 0x3ff80UL) #define MMAP_ALIGN_MASK (is_compat_task() ? 0 : 0x7fUL) #define STACK_RND_MASK MMAP_RND_MASK diff --git a/arch/s390/include/asm/lowcore.h b/arch/s390/include/asm/lowcore.h index cc0947e08b6f..5b9f10b1e55d 100644 --- a/arch/s390/include/asm/lowcore.h +++ b/arch/s390/include/asm/lowcore.h @@ -91,52 +91,53 @@ struct lowcore { __u64 hardirq_timer; /* 0x02e8 */ __u64 softirq_timer; /* 0x02f0 */ __u64 steal_timer; /* 0x02f8 */ - __u64 last_update_timer; /* 0x0300 */ - __u64 last_update_clock; /* 0x0308 */ - __u64 int_clock; /* 0x0310 */ - __u64 mcck_clock; /* 0x0318 */ - __u64 clock_comparator; /* 0x0320 */ - __u64 boot_clock[2]; /* 0x0328 */ + __u64 avg_steal_timer; /* 0x0300 */ + __u64 last_update_timer; /* 0x0308 */ + __u64 last_update_clock; /* 0x0310 */ + __u64 int_clock; /* 0x0318*/ + __u64 mcck_clock; /* 0x0320 */ + __u64 clock_comparator; /* 0x0328 */ + __u64 boot_clock[2]; /* 0x0330 */ /* Current process. */ - __u64 current_task; /* 0x0338 */ - __u64 kernel_stack; /* 0x0340 */ + __u64 current_task; /* 0x0340 */ + __u64 kernel_stack; /* 0x0348 */ /* Interrupt, DAT-off and restartstack. */ - __u64 async_stack; /* 0x0348 */ - __u64 nodat_stack; /* 0x0350 */ - __u64 restart_stack; /* 0x0358 */ + __u64 async_stack; /* 0x0350 */ + __u64 nodat_stack; /* 0x0358 */ + __u64 restart_stack; /* 0x0360 */ /* Restart function and parameter. */ - __u64 restart_fn; /* 0x0360 */ - __u64 restart_data; /* 0x0368 */ - __u64 restart_source; /* 0x0370 */ + __u64 restart_fn; /* 0x0368 */ + __u64 restart_data; /* 0x0370 */ + __u64 restart_source; /* 0x0378 */ /* Address space pointer. */ - __u64 kernel_asce; /* 0x0378 */ - __u64 user_asce; /* 0x0380 */ - __u64 vdso_asce; /* 0x0388 */ + __u64 kernel_asce; /* 0x0380 */ + __u64 user_asce; /* 0x0388 */ + __u64 vdso_asce; /* 0x0390 */ /* * The lpp and current_pid fields form a * 64-bit value that is set as program * parameter with the LPP instruction. */ - __u32 lpp; /* 0x0390 */ - __u32 current_pid; /* 0x0394 */ + __u32 lpp; /* 0x0398 */ + __u32 current_pid; /* 0x039c */ /* SMP info area */ - __u32 cpu_nr; /* 0x0398 */ - __u32 softirq_pending; /* 0x039c */ - __u32 preempt_count; /* 0x03a0 */ - __u32 spinlock_lockval; /* 0x03a4 */ - __u32 spinlock_index; /* 0x03a8 */ - __u32 fpu_flags; /* 0x03ac */ - __u64 percpu_offset; /* 0x03b0 */ - __u64 vdso_per_cpu_data; /* 0x03b8 */ - __u64 machine_flags; /* 0x03c0 */ - __u64 gmap; /* 0x03c8 */ - __u8 pad_0x03d0[0x0400-0x03d0]; /* 0x03d0 */ + __u32 cpu_nr; /* 0x03a0 */ + __u32 softirq_pending; /* 0x03a4 */ + __u32 preempt_count; /* 0x03a8 */ + __u32 spinlock_lockval; /* 0x03ac */ + __u32 spinlock_index; /* 0x03b0 */ + __u32 fpu_flags; /* 0x03b4 */ + __u64 percpu_offset; /* 0x03b8 */ + __u64 vdso_per_cpu_data; /* 0x03c0 */ + __u64 machine_flags; /* 0x03c8 */ + __u64 gmap; /* 0x03d0 */ + __u8 pad_0x03d8[0x0400-0x03d8]; /* 0x03d8 */ /* br %r1 trampoline */ __u16 br_r1_trampoline; /* 0x0400 */ diff --git a/arch/s390/kernel/perf_cpum_cf_diag.c b/arch/s390/kernel/perf_cpum_cf_diag.c index c6fad208c2fa..b6854812d2ed 100644 --- a/arch/s390/kernel/perf_cpum_cf_diag.c +++ b/arch/s390/kernel/perf_cpum_cf_diag.c @@ -196,23 +196,30 @@ static void cf_diag_perf_event_destroy(struct perf_event *event) */ static int __hw_perf_event_init(struct perf_event *event) { - struct cpu_cf_events *cpuhw = this_cpu_ptr(&cpu_cf_events); struct perf_event_attr *attr = &event->attr; + struct cpu_cf_events *cpuhw; enum cpumf_ctr_set i; int err = 0; - debug_sprintf_event(cf_diag_dbg, 5, - "%s event %p cpu %d authorized %#x\n", __func__, - event, event->cpu, cpuhw->info.auth_ctl); + debug_sprintf_event(cf_diag_dbg, 5, "%s event %p cpu %d\n", __func__, + event, event->cpu); event->hw.config = attr->config; event->hw.config_base = 0; - local64_set(&event->count, 0); - /* Add all authorized counter sets to config_base */ + /* Add all authorized counter sets to config_base. The + * the hardware init function is either called per-cpu or just once + * for all CPUS (event->cpu == -1). This depends on the whether + * counting is started for all CPUs or on a per workload base where + * the perf event moves from one CPU to another CPU. + * Checking the authorization on any CPU is fine as the hardware + * applies the same authorization settings to all CPUs. + */ + cpuhw = &get_cpu_var(cpu_cf_events); for (i = CPUMF_CTR_SET_BASIC; i < CPUMF_CTR_SET_MAX; ++i) if (cpuhw->info.auth_ctl & cpumf_ctr_ctl[i]) event->hw.config_base |= cpumf_ctr_ctl[i]; + put_cpu_var(cpu_cf_events); /* No authorized counter sets, nothing to count/sample */ if (!event->hw.config_base) { diff --git a/arch/s390/kernel/smp.c b/arch/s390/kernel/smp.c index 3fe1c77c361b..bd197baf1dc3 100644 --- a/arch/s390/kernel/smp.c +++ b/arch/s390/kernel/smp.c @@ -266,7 +266,8 @@ static void pcpu_prepare_secondary(struct pcpu *pcpu, int cpu) lc->percpu_offset = __per_cpu_offset[cpu]; lc->kernel_asce = S390_lowcore.kernel_asce; lc->machine_flags = S390_lowcore.machine_flags; - lc->user_timer = lc->system_timer = lc->steal_timer = 0; + lc->user_timer = lc->system_timer = + lc->steal_timer = lc->avg_steal_timer = 0; __ctl_store(lc->cregs_save_area, 0, 15); save_access_regs((unsigned int *) lc->access_regs_save_area); memcpy(lc->stfle_fac_list, S390_lowcore.stfle_fac_list, diff --git a/arch/s390/kernel/vtime.c b/arch/s390/kernel/vtime.c index 98f850e00008..a69a0911ed0e 100644 --- a/arch/s390/kernel/vtime.c +++ b/arch/s390/kernel/vtime.c @@ -124,7 +124,7 @@ static void account_system_index_scaled(struct task_struct *p, u64 cputime, */ static int do_account_vtime(struct task_struct *tsk) { - u64 timer, clock, user, guest, system, hardirq, softirq, steal; + u64 timer, clock, user, guest, system, hardirq, softirq; timer = S390_lowcore.last_update_timer; clock = S390_lowcore.last_update_clock; @@ -182,12 +182,6 @@ static int do_account_vtime(struct task_struct *tsk) if (softirq) account_system_index_scaled(tsk, softirq, CPUTIME_SOFTIRQ); - steal = S390_lowcore.steal_timer; - if ((s64) steal > 0) { - S390_lowcore.steal_timer = 0; - account_steal_time(cputime_to_nsecs(steal)); - } - return virt_timer_forward(user + guest + system + hardirq + softirq); } @@ -213,8 +207,19 @@ void vtime_task_switch(struct task_struct *prev) */ void vtime_flush(struct task_struct *tsk) { + u64 steal, avg_steal; + if (do_account_vtime(tsk)) virt_timer_expire(); + + steal = S390_lowcore.steal_timer; + avg_steal = S390_lowcore.avg_steal_timer / 2; + if ((s64) steal > 0) { + S390_lowcore.steal_timer = 0; + account_steal_time(steal); + avg_steal += steal; + } + S390_lowcore.avg_steal_timer = avg_steal; } /* diff --git a/arch/sh/include/asm/Kbuild b/arch/sh/include/asm/Kbuild index a6ef3fee5f85..7bf2cb680d32 100644 --- a/arch/sh/include/asm/Kbuild +++ b/arch/sh/include/asm/Kbuild @@ -9,6 +9,7 @@ generic-y += emergency-restart.h generic-y += exec.h generic-y += irq_regs.h generic-y += irq_work.h +generic-y += kvm_para.h generic-y += local.h generic-y += local64.h generic-y += mcs_spinlock.h diff --git a/arch/sh/include/uapi/asm/Kbuild b/arch/sh/include/uapi/asm/Kbuild index ecfbd40924dd..b8812c74c1de 100644 --- a/arch/sh/include/uapi/asm/Kbuild +++ b/arch/sh/include/uapi/asm/Kbuild @@ -1,5 +1,4 @@ # SPDX-License-Identifier: GPL-2.0 generated-y += unistd_32.h -generic-y += kvm_para.h generic-y += ucontext.h diff --git a/arch/sparc/include/asm/Kbuild b/arch/sparc/include/asm/Kbuild index b82f64e28f55..a22cfd5c0ee8 100644 --- a/arch/sparc/include/asm/Kbuild +++ b/arch/sparc/include/asm/Kbuild @@ -9,6 +9,7 @@ generic-y += exec.h generic-y += export.h generic-y += irq_regs.h generic-y += irq_work.h +generic-y += kvm_para.h generic-y += linkage.h generic-y += local.h generic-y += local64.h diff --git a/arch/sparc/include/uapi/asm/kvm_para.h b/arch/sparc/include/uapi/asm/kvm_para.h deleted file mode 100644 index baacc4996d18..000000000000 --- a/arch/sparc/include/uapi/asm/kvm_para.h +++ /dev/null @@ -1,2 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ -#include <asm-generic/kvm_para.h> diff --git a/arch/unicore32/include/asm/Kbuild b/arch/unicore32/include/asm/Kbuild index 1d1544b6ca74..d77d953c04c1 100644 --- a/arch/unicore32/include/asm/Kbuild +++ b/arch/unicore32/include/asm/Kbuild @@ -18,6 +18,7 @@ generic-y += irq_work.h generic-y += kdebug.h generic-y += kmap_types.h generic-y += kprobes.h +generic-y += kvm_para.h generic-y += local.h generic-y += mcs_spinlock.h generic-y += mm-arch-hooks.h diff --git a/arch/unicore32/include/uapi/asm/Kbuild b/arch/unicore32/include/uapi/asm/Kbuild index 755bb11323d8..1c72f04ff75d 100644 --- a/arch/unicore32/include/uapi/asm/Kbuild +++ b/arch/unicore32/include/uapi/asm/Kbuild @@ -1,2 +1 @@ -generic-y += kvm_para.h generic-y += ucontext.h diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index c1f9b3cf437c..5ad92419be19 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -2217,14 +2217,8 @@ config RANDOMIZE_MEMORY_PHYSICAL_PADDING If unsure, leave at the default value. config HOTPLUG_CPU - bool "Support for hot-pluggable CPUs" + def_bool y depends on SMP - ---help--- - Say Y here to allow turning CPUs off and on. CPUs can be - controlled through /sys/devices/system/cpu. - ( Note: power management support will enable this option - automatically on SMP systems. ) - Say N if you want to disable CPU hotplug. config BOOTPARAM_HOTPLUG_CPU0 bool "Set default setting of cpu0_hotpluggable" diff --git a/arch/x86/Makefile b/arch/x86/Makefile index 2d8b9d8ca4f8..a587805c6687 100644 --- a/arch/x86/Makefile +++ b/arch/x86/Makefile @@ -219,8 +219,12 @@ ifdef CONFIG_RETPOLINE # Additionally, avoid generating expensive indirect jumps which # are subject to retpolines for small number of switch cases. # clang turns off jump table generation by default when under - # retpoline builds, however, gcc does not for x86. - KBUILD_CFLAGS += $(call cc-option,--param=case-values-threshold=20) + # retpoline builds, however, gcc does not for x86. This has + # only been fixed starting from gcc stable version 8.4.0 and + # onwards, but not for older ones. See gcc bug #86952. + ifndef CONFIG_CC_IS_CLANG + KBUILD_CFLAGS += $(call cc-option,-fno-jump-tables) + endif endif archscripts: scripts_basic diff --git a/arch/x86/boot/compressed/misc.h b/arch/x86/boot/compressed/misc.h index fd13655e0f9b..d2f184165934 100644 --- a/arch/x86/boot/compressed/misc.h +++ b/arch/x86/boot/compressed/misc.h @@ -120,8 +120,6 @@ static inline void console_init(void) void set_sev_encryption_mask(void); -#endif - /* acpi.c */ #ifdef CONFIG_ACPI acpi_physical_address get_rsdp_addr(void); @@ -135,3 +133,5 @@ int count_immovable_mem_regions(void); #else static inline int count_immovable_mem_regions(void) { return 0; } #endif + +#endif /* BOOT_COMPRESSED_MISC_H */ diff --git a/arch/x86/boot/string.c b/arch/x86/boot/string.c index 315a67b8896b..90154df8f125 100644 --- a/arch/x86/boot/string.c +++ b/arch/x86/boot/string.c @@ -13,8 +13,9 @@ */ #include <linux/types.h> -#include <linux/kernel.h> +#include <linux/compiler.h> #include <linux/errno.h> +#include <linux/limits.h> #include <asm/asm.h> #include "ctype.h" #include "string.h" diff --git a/arch/x86/hyperv/hv_init.c b/arch/x86/hyperv/hv_init.c index 6461a16b4559..e4ba467a9fc6 100644 --- a/arch/x86/hyperv/hv_init.c +++ b/arch/x86/hyperv/hv_init.c @@ -103,9 +103,13 @@ static int hv_cpu_init(unsigned int cpu) u64 msr_vp_index; struct hv_vp_assist_page **hvp = &hv_vp_assist_page[smp_processor_id()]; void **input_arg; + struct page *pg; input_arg = (void **)this_cpu_ptr(hyperv_pcpu_input_arg); - *input_arg = page_address(alloc_page(GFP_KERNEL)); + pg = alloc_page(GFP_KERNEL); + if (unlikely(!pg)) + return -ENOMEM; + *input_arg = page_address(pg); hv_get_vp_index(msr_vp_index); diff --git a/arch/x86/include/asm/cpu_device_id.h b/arch/x86/include/asm/cpu_device_id.h index 3417110574c1..31c379c1da41 100644 --- a/arch/x86/include/asm/cpu_device_id.h +++ b/arch/x86/include/asm/cpu_device_id.h @@ -1,6 +1,6 @@ /* SPDX-License-Identifier: GPL-2.0 */ -#ifndef _CPU_DEVICE_ID -#define _CPU_DEVICE_ID 1 +#ifndef _ASM_X86_CPU_DEVICE_ID +#define _ASM_X86_CPU_DEVICE_ID /* * Declare drivers belonging to specific x86 CPUs @@ -9,8 +9,6 @@ #include <linux/mod_devicetable.h> -extern const struct x86_cpu_id *x86_match_cpu(const struct x86_cpu_id *match); - /* * Match specific microcode revisions. * @@ -22,21 +20,22 @@ extern const struct x86_cpu_id *x86_match_cpu(const struct x86_cpu_id *match); */ struct x86_cpu_desc { - __u8 x86_family; - __u8 x86_vendor; - __u8 x86_model; - __u8 x86_stepping; - __u32 x86_microcode_rev; + u8 x86_family; + u8 x86_vendor; + u8 x86_model; + u8 x86_stepping; + u32 x86_microcode_rev; }; -#define INTEL_CPU_DESC(mod, step, rev) { \ - .x86_family = 6, \ - .x86_vendor = X86_VENDOR_INTEL, \ - .x86_model = mod, \ - .x86_stepping = step, \ - .x86_microcode_rev = rev, \ +#define INTEL_CPU_DESC(model, stepping, revision) { \ + .x86_family = 6, \ + .x86_vendor = X86_VENDOR_INTEL, \ + .x86_model = (model), \ + .x86_stepping = (stepping), \ + .x86_microcode_rev = (revision), \ } +extern const struct x86_cpu_id *x86_match_cpu(const struct x86_cpu_id *match); extern bool x86_cpu_has_min_microcode_rev(const struct x86_cpu_desc *table); -#endif +#endif /* _ASM_X86_CPU_DEVICE_ID */ diff --git a/arch/x86/include/asm/cpufeature.h b/arch/x86/include/asm/cpufeature.h index ce95b8cbd229..0e56ff7e4848 100644 --- a/arch/x86/include/asm/cpufeature.h +++ b/arch/x86/include/asm/cpufeature.h @@ -112,8 +112,9 @@ extern const char * const x86_bug_flags[NBUGINTS*32]; test_cpu_cap(c, bit)) #define this_cpu_has(bit) \ - (__builtin_constant_p(bit) && REQUIRED_MASK_BIT_SET(bit) ? 1 : \ - x86_this_cpu_test_bit(bit, (unsigned long *)&cpu_info.x86_capability)) + (__builtin_constant_p(bit) && REQUIRED_MASK_BIT_SET(bit) ? 1 : \ + x86_this_cpu_test_bit(bit, \ + (unsigned long __percpu *)&cpu_info.x86_capability)) /* * This macro is for detection of features which need kernel diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h index a5db4475e72d..159b5988292f 100644 --- a/arch/x86/include/asm/kvm_host.h +++ b/arch/x86/include/asm/kvm_host.h @@ -253,14 +253,14 @@ struct kvm_mmu_memory_cache { * kvm_memory_slot.arch.gfn_track which is 16 bits, so the role bits used * by indirect shadow page can not be more than 15 bits. * - * Currently, we used 14 bits that are @level, @cr4_pae, @quadrant, @access, + * Currently, we used 14 bits that are @level, @gpte_is_8_bytes, @quadrant, @access, * @nxe, @cr0_wp, @smep_andnot_wp and @smap_andnot_wp. */ union kvm_mmu_page_role { u32 word; struct { unsigned level:4; - unsigned cr4_pae:1; + unsigned gpte_is_8_bytes:1; unsigned quadrant:2; unsigned direct:1; unsigned access:3; @@ -350,6 +350,7 @@ struct kvm_mmu_page { }; struct kvm_pio_request { + unsigned long linear_rip; unsigned long count; int in; int port; @@ -568,6 +569,7 @@ struct kvm_vcpu_arch { bool tpr_access_reporting; u64 ia32_xss; u64 microcode_version; + u64 arch_capabilities; /* * Paging state of the vcpu @@ -1192,6 +1194,8 @@ struct kvm_x86_ops { int (*nested_enable_evmcs)(struct kvm_vcpu *vcpu, uint16_t *vmcs_version); uint16_t (*nested_get_evmcs_version)(struct kvm_vcpu *vcpu); + + bool (*need_emulation_on_page_fault)(struct kvm_vcpu *vcpu); }; struct kvm_arch_async_pf { @@ -1252,7 +1256,7 @@ void kvm_mmu_clear_dirty_pt_masked(struct kvm *kvm, gfn_t gfn_offset, unsigned long mask); void kvm_mmu_zap_all(struct kvm *kvm); void kvm_mmu_invalidate_mmio_sptes(struct kvm *kvm, u64 gen); -unsigned int kvm_mmu_calculate_mmu_pages(struct kvm *kvm); +unsigned int kvm_mmu_calculate_default_mmu_pages(struct kvm *kvm); void kvm_mmu_change_mmu_pages(struct kvm *kvm, unsigned int kvm_nr_mmu_pages); int load_pdptrs(struct kvm_vcpu *vcpu, struct kvm_mmu *mmu, unsigned long cr3); diff --git a/arch/x86/include/asm/processor-cyrix.h b/arch/x86/include/asm/processor-cyrix.h index aaedd73ea2c6..df700a6cc869 100644 --- a/arch/x86/include/asm/processor-cyrix.h +++ b/arch/x86/include/asm/processor-cyrix.h @@ -3,19 +3,6 @@ * NSC/Cyrix CPU indexed register access. Must be inlined instead of * macros to ensure correct access ordering * Access order is always 0x22 (=offset), 0x23 (=value) - * - * When using the old macros a line like - * setCx86(CX86_CCR2, getCx86(CX86_CCR2) | 0x88); - * gets expanded to: - * do { - * outb((CX86_CCR2), 0x22); - * outb((({ - * outb((CX86_CCR2), 0x22); - * inb(0x23); - * }) | 0x88), 0x23); - * } while (0); - * - * which in fact violates the access order (= 0x22, 0x22, 0x23, 0x23). */ static inline u8 getCx86(u8 reg) @@ -29,11 +16,3 @@ static inline void setCx86(u8 reg, u8 data) outb(reg, 0x22); outb(data, 0x23); } - -#define getCx86_old(reg) ({ outb((reg), 0x22); inb(0x23); }) - -#define setCx86_old(reg, data) do { \ - outb((reg), 0x22); \ - outb((data), 0x23); \ -} while (0) - diff --git a/arch/x86/include/asm/realmode.h b/arch/x86/include/asm/realmode.h index 63b3393bd98e..c53682303c9c 100644 --- a/arch/x86/include/asm/realmode.h +++ b/arch/x86/include/asm/realmode.h @@ -77,7 +77,11 @@ static inline size_t real_mode_size_needed(void) return ALIGN(real_mode_blob_end - real_mode_blob, PAGE_SIZE); } -void set_real_mode_mem(phys_addr_t mem, size_t size); +static inline void set_real_mode_mem(phys_addr_t mem) +{ + real_mode_header = (struct real_mode_header *) __va(mem); +} + void reserve_real_mode(void); #endif /* __ASSEMBLY__ */ diff --git a/arch/x86/kernel/aperture_64.c b/arch/x86/kernel/aperture_64.c index 58176b56354e..294ed4392a0e 100644 --- a/arch/x86/kernel/aperture_64.c +++ b/arch/x86/kernel/aperture_64.c @@ -14,6 +14,7 @@ #define pr_fmt(fmt) "AGP: " fmt #include <linux/kernel.h> +#include <linux/kcore.h> #include <linux/types.h> #include <linux/init.h> #include <linux/memblock.h> @@ -57,7 +58,7 @@ int fallback_aper_force __initdata; int fix_aperture __initdata = 1; -#ifdef CONFIG_PROC_VMCORE +#if defined(CONFIG_PROC_VMCORE) || defined(CONFIG_PROC_KCORE) /* * If the first kernel maps the aperture over e820 RAM, the kdump kernel will * use the same range because it will remain configured in the northbridge. @@ -66,20 +67,25 @@ int fix_aperture __initdata = 1; */ static unsigned long aperture_pfn_start, aperture_page_count; -static int gart_oldmem_pfn_is_ram(unsigned long pfn) +static int gart_mem_pfn_is_ram(unsigned long pfn) { return likely((pfn < aperture_pfn_start) || (pfn >= aperture_pfn_start + aperture_page_count)); } -static void exclude_from_vmcore(u64 aper_base, u32 aper_order) +static void __init exclude_from_core(u64 aper_base, u32 aper_order) { aperture_pfn_start = aper_base >> PAGE_SHIFT; aperture_page_count = (32 * 1024 * 1024) << aper_order >> PAGE_SHIFT; - WARN_ON(register_oldmem_pfn_is_ram(&gart_oldmem_pfn_is_ram)); +#ifdef CONFIG_PROC_VMCORE + WARN_ON(register_oldmem_pfn_is_ram(&gart_mem_pfn_is_ram)); +#endif +#ifdef CONFIG_PROC_KCORE + WARN_ON(register_mem_pfn_is_ram(&gart_mem_pfn_is_ram)); +#endif } #else -static void exclude_from_vmcore(u64 aper_base, u32 aper_order) +static void exclude_from_core(u64 aper_base, u32 aper_order) { } #endif @@ -474,7 +480,7 @@ out: * may have allocated the range over its e820 RAM * and fixed up the northbridge */ - exclude_from_vmcore(last_aper_base, last_aper_order); + exclude_from_core(last_aper_base, last_aper_order); return 1; } @@ -520,7 +526,7 @@ out: * overlap with the first kernel's memory. We can't access the * range through vmcore even though it should be part of the dump. */ - exclude_from_vmcore(aper_alloc, aper_order); + exclude_from_core(aper_alloc, aper_order); /* Fix up the north bridges */ for (i = 0; i < amd_nb_bus_dev_ranges[i].dev_limit; i++) { diff --git a/arch/x86/kernel/cpu/cyrix.c b/arch/x86/kernel/cpu/cyrix.c index d12226f60168..1d9b8aaea06c 100644 --- a/arch/x86/kernel/cpu/cyrix.c +++ b/arch/x86/kernel/cpu/cyrix.c @@ -124,7 +124,7 @@ static void set_cx86_reorder(void) setCx86(CX86_CCR3, (ccr3 & 0x0f) | 0x10); /* enable MAPEN */ /* Load/Store Serialize to mem access disable (=reorder it) */ - setCx86_old(CX86_PCR0, getCx86_old(CX86_PCR0) & ~0x80); + setCx86(CX86_PCR0, getCx86(CX86_PCR0) & ~0x80); /* set load/store serialize from 1GB to 4GB */ ccr3 |= 0xe0; setCx86(CX86_CCR3, ccr3); @@ -135,11 +135,11 @@ static void set_cx86_memwb(void) pr_info("Enable Memory-Write-back mode on Cyrix/NSC processor.\n"); /* CCR2 bit 2: unlock NW bit */ - setCx86_old(CX86_CCR2, getCx86_old(CX86_CCR2) & ~0x04); + setCx86(CX86_CCR2, getCx86(CX86_CCR2) & ~0x04); /* set 'Not Write-through' */ write_cr0(read_cr0() | X86_CR0_NW); /* CCR2 bit 2: lock NW bit and set WT1 */ - setCx86_old(CX86_CCR2, getCx86_old(CX86_CCR2) | 0x14); + setCx86(CX86_CCR2, getCx86(CX86_CCR2) | 0x14); } /* @@ -153,14 +153,14 @@ static void geode_configure(void) local_irq_save(flags); /* Suspend on halt power saving and enable #SUSP pin */ - setCx86_old(CX86_CCR2, getCx86_old(CX86_CCR2) | 0x88); + setCx86(CX86_CCR2, getCx86(CX86_CCR2) | 0x88); ccr3 = getCx86(CX86_CCR3); setCx86(CX86_CCR3, (ccr3 & 0x0f) | 0x10); /* enable MAPEN */ /* FPU fast, DTE cache, Mem bypass */ - setCx86_old(CX86_CCR4, getCx86_old(CX86_CCR4) | 0x38); + setCx86(CX86_CCR4, getCx86(CX86_CCR4) | 0x38); setCx86(CX86_CCR3, ccr3); /* disable MAPEN */ set_cx86_memwb(); @@ -296,7 +296,7 @@ static void init_cyrix(struct cpuinfo_x86 *c) /* GXm supports extended cpuid levels 'ala' AMD */ if (c->cpuid_level == 2) { /* Enable cxMMX extensions (GX1 Datasheet 54) */ - setCx86_old(CX86_CCR7, getCx86_old(CX86_CCR7) | 1); + setCx86(CX86_CCR7, getCx86(CX86_CCR7) | 1); /* * GXm : 0x30 ... 0x5f GXm datasheet 51 @@ -319,7 +319,7 @@ static void init_cyrix(struct cpuinfo_x86 *c) if (dir1 > 7) { dir0_msn++; /* M II */ /* Enable MMX extensions (App note 108) */ - setCx86_old(CX86_CCR7, getCx86_old(CX86_CCR7)|1); + setCx86(CX86_CCR7, getCx86(CX86_CCR7)|1); } else { /* A 6x86MX - it has the bug. */ set_cpu_bug(c, X86_BUG_COMA); diff --git a/arch/x86/kernel/cpu/microcode/core.c b/arch/x86/kernel/cpu/microcode/core.c index 97f9ada9ceda..5260185cbf7b 100644 --- a/arch/x86/kernel/cpu/microcode/core.c +++ b/arch/x86/kernel/cpu/microcode/core.c @@ -608,6 +608,8 @@ static int microcode_reload_late(void) if (ret > 0) microcode_check(); + pr_info("Reload completed, microcode revision: 0x%x\n", boot_cpu_data.microcode); + return ret; } diff --git a/arch/x86/kernel/cpu/resctrl/monitor.c b/arch/x86/kernel/cpu/resctrl/monitor.c index f33f11f69078..1573a0a6b525 100644 --- a/arch/x86/kernel/cpu/resctrl/monitor.c +++ b/arch/x86/kernel/cpu/resctrl/monitor.c @@ -501,11 +501,8 @@ out_unlock: void cqm_setup_limbo_handler(struct rdt_domain *dom, unsigned long delay_ms) { unsigned long delay = msecs_to_jiffies(delay_ms); - struct rdt_resource *r; int cpu; - r = &rdt_resources_all[RDT_RESOURCE_L3]; - cpu = cpumask_any(&dom->cpu_mask); dom->cqm_work_cpu = cpu; diff --git a/arch/x86/kernel/hpet.c b/arch/x86/kernel/hpet.c index dfd3aca82c61..fb32925a2e62 100644 --- a/arch/x86/kernel/hpet.c +++ b/arch/x86/kernel/hpet.c @@ -905,6 +905,8 @@ int __init hpet_enable(void) return 0; hpet_set_mapping(); + if (!hpet_virt_address) + return 0; /* * Read the period and check for a sane value: diff --git a/arch/x86/kernel/hw_breakpoint.c b/arch/x86/kernel/hw_breakpoint.c index ff9bfd40429e..d73083021002 100644 --- a/arch/x86/kernel/hw_breakpoint.c +++ b/arch/x86/kernel/hw_breakpoint.c @@ -354,6 +354,7 @@ int hw_breakpoint_arch_parse(struct perf_event *bp, #endif default: WARN_ON_ONCE(1); + return -EINVAL; } /* diff --git a/arch/x86/kernel/mpparse.c b/arch/x86/kernel/mpparse.c index 3482460d984d..1bfe5c6e6cfe 100644 --- a/arch/x86/kernel/mpparse.c +++ b/arch/x86/kernel/mpparse.c @@ -598,8 +598,8 @@ static int __init smp_scan_config(unsigned long base, unsigned long length) mpf_base = base; mpf_found = true; - pr_info("found SMP MP-table at [mem %#010lx-%#010lx] mapped at [%p]\n", - base, base + sizeof(*mpf) - 1, mpf); + pr_info("found SMP MP-table at [mem %#010lx-%#010lx]\n", + base, base + sizeof(*mpf) - 1); memblock_reserve(base, sizeof(*mpf)); if (mpf->physptr) diff --git a/arch/x86/kvm/hyperv.c b/arch/x86/kvm/hyperv.c index 27c43525a05f..421899f6ad7b 100644 --- a/arch/x86/kvm/hyperv.c +++ b/arch/x86/kvm/hyperv.c @@ -526,7 +526,9 @@ static int stimer_set_config(struct kvm_vcpu_hv_stimer *stimer, u64 config, new_config.enable = 0; stimer->config.as_uint64 = new_config.as_uint64; - stimer_mark_pending(stimer, false); + if (stimer->config.enable) + stimer_mark_pending(stimer, false); + return 0; } @@ -542,7 +544,10 @@ static int stimer_set_count(struct kvm_vcpu_hv_stimer *stimer, u64 count, stimer->config.enable = 0; else if (stimer->config.auto_enable) stimer->config.enable = 1; - stimer_mark_pending(stimer, false); + + if (stimer->config.enable) + stimer_mark_pending(stimer, false); + return 0; } diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c index 7837ab001d80..eee455a8a612 100644 --- a/arch/x86/kvm/mmu.c +++ b/arch/x86/kvm/mmu.c @@ -182,7 +182,7 @@ struct kvm_shadow_walk_iterator { static const union kvm_mmu_page_role mmu_base_role_mask = { .cr0_wp = 1, - .cr4_pae = 1, + .gpte_is_8_bytes = 1, .nxe = 1, .smep_andnot_wp = 1, .smap_andnot_wp = 1, @@ -2205,6 +2205,7 @@ static bool kvm_mmu_prepare_zap_page(struct kvm *kvm, struct kvm_mmu_page *sp, static void kvm_mmu_commit_zap_page(struct kvm *kvm, struct list_head *invalid_list); + #define for_each_valid_sp(_kvm, _sp, _gfn) \ hlist_for_each_entry(_sp, \ &(_kvm)->arch.mmu_page_hash[kvm_page_table_hashfn(_gfn)], hash_link) \ @@ -2215,12 +2216,17 @@ static void kvm_mmu_commit_zap_page(struct kvm *kvm, for_each_valid_sp(_kvm, _sp, _gfn) \ if ((_sp)->gfn != (_gfn) || (_sp)->role.direct) {} else +static inline bool is_ept_sp(struct kvm_mmu_page *sp) +{ + return sp->role.cr0_wp && sp->role.smap_andnot_wp; +} + /* @sp->gfn should be write-protected at the call site */ static bool __kvm_sync_page(struct kvm_vcpu *vcpu, struct kvm_mmu_page *sp, struct list_head *invalid_list) { - if (sp->role.cr4_pae != !!is_pae(vcpu) - || vcpu->arch.mmu->sync_page(vcpu, sp) == 0) { + if ((!is_ept_sp(sp) && sp->role.gpte_is_8_bytes != !!is_pae(vcpu)) || + vcpu->arch.mmu->sync_page(vcpu, sp) == 0) { kvm_mmu_prepare_zap_page(vcpu->kvm, sp, invalid_list); return false; } @@ -2423,7 +2429,7 @@ static struct kvm_mmu_page *kvm_mmu_get_page(struct kvm_vcpu *vcpu, role.level = level; role.direct = direct; if (role.direct) - role.cr4_pae = 0; + role.gpte_is_8_bytes = true; role.access = access; if (!vcpu->arch.mmu->direct_map && vcpu->arch.mmu->root_level <= PT32_ROOT_LEVEL) { @@ -4794,7 +4800,6 @@ static union kvm_mmu_role kvm_calc_mmu_role_common(struct kvm_vcpu *vcpu, role.base.access = ACC_ALL; role.base.nxe = !!is_nx(vcpu); - role.base.cr4_pae = !!is_pae(vcpu); role.base.cr0_wp = is_write_protection(vcpu); role.base.smm = is_smm(vcpu); role.base.guest_mode = is_guest_mode(vcpu); @@ -4815,6 +4820,7 @@ kvm_calc_tdp_mmu_root_page_role(struct kvm_vcpu *vcpu, bool base_only) role.base.ad_disabled = (shadow_accessed_mask == 0); role.base.level = kvm_x86_ops->get_tdp_level(vcpu); role.base.direct = true; + role.base.gpte_is_8_bytes = true; return role; } @@ -4879,6 +4885,7 @@ kvm_calc_shadow_mmu_root_page_role(struct kvm_vcpu *vcpu, bool base_only) role.base.smap_andnot_wp = role.ext.cr4_smap && !is_write_protection(vcpu); role.base.direct = !is_paging(vcpu); + role.base.gpte_is_8_bytes = !!is_pae(vcpu); if (!is_long_mode(vcpu)) role.base.level = PT32E_ROOT_LEVEL; @@ -4918,18 +4925,26 @@ static union kvm_mmu_role kvm_calc_shadow_ept_root_page_role(struct kvm_vcpu *vcpu, bool accessed_dirty, bool execonly) { - union kvm_mmu_role role; + union kvm_mmu_role role = {0}; - /* Base role is inherited from root_mmu */ - role.base.word = vcpu->arch.root_mmu.mmu_role.base.word; - role.ext = kvm_calc_mmu_role_ext(vcpu); + /* SMM flag is inherited from root_mmu */ + role.base.smm = vcpu->arch.root_mmu.mmu_role.base.smm; role.base.level = PT64_ROOT_4LEVEL; + role.base.gpte_is_8_bytes = true; role.base.direct = false; role.base.ad_disabled = !accessed_dirty; role.base.guest_mode = true; role.base.access = ACC_ALL; + /* + * WP=1 and NOT_WP=1 is an impossible combination, use WP and the + * SMAP variation to denote shadow EPT entries. + */ + role.base.cr0_wp = true; + role.base.smap_andnot_wp = true; + + role.ext = kvm_calc_mmu_role_ext(vcpu); role.ext.execonly = execonly; return role; @@ -5179,7 +5194,7 @@ static bool detect_write_misaligned(struct kvm_mmu_page *sp, gpa_t gpa, gpa, bytes, sp->role.word); offset = offset_in_page(gpa); - pte_size = sp->role.cr4_pae ? 8 : 4; + pte_size = sp->role.gpte_is_8_bytes ? 8 : 4; /* * Sometimes, the OS only writes the last one bytes to update status @@ -5203,7 +5218,7 @@ static u64 *get_written_sptes(struct kvm_mmu_page *sp, gpa_t gpa, int *nspte) page_offset = offset_in_page(gpa); level = sp->role.level; *nspte = 1; - if (!sp->role.cr4_pae) { + if (!sp->role.gpte_is_8_bytes) { page_offset <<= 1; /* 32->64 */ /* * A 32-bit pde maps 4MB while the shadow pdes map @@ -5393,10 +5408,12 @@ emulate: * This can happen if a guest gets a page-fault on data access but the HW * table walker is not able to read the instruction page (e.g instruction * page is not present in memory). In those cases we simply restart the - * guest. + * guest, with the exception of AMD Erratum 1096 which is unrecoverable. */ - if (unlikely(insn && !insn_len)) - return 1; + if (unlikely(insn && !insn_len)) { + if (!kvm_x86_ops->need_emulation_on_page_fault(vcpu)) + return 1; + } er = x86_emulate_instruction(vcpu, cr2, emulation_type, insn, insn_len); @@ -5509,7 +5526,9 @@ slot_handle_level_range(struct kvm *kvm, struct kvm_memory_slot *memslot, if (need_resched() || spin_needbreak(&kvm->mmu_lock)) { if (flush && lock_flush_tlb) { - kvm_flush_remote_tlbs(kvm); + kvm_flush_remote_tlbs_with_address(kvm, + start_gfn, + iterator.gfn - start_gfn + 1); flush = false; } cond_resched_lock(&kvm->mmu_lock); @@ -5517,7 +5536,8 @@ slot_handle_level_range(struct kvm *kvm, struct kvm_memory_slot *memslot, } if (flush && lock_flush_tlb) { - kvm_flush_remote_tlbs(kvm); + kvm_flush_remote_tlbs_with_address(kvm, start_gfn, + end_gfn - start_gfn + 1); flush = false; } @@ -6011,7 +6031,7 @@ out: /* * Calculate mmu pages needed for kvm. */ -unsigned int kvm_mmu_calculate_mmu_pages(struct kvm *kvm) +unsigned int kvm_mmu_calculate_default_mmu_pages(struct kvm *kvm) { unsigned int nr_mmu_pages; unsigned int nr_pages = 0; diff --git a/arch/x86/kvm/mmutrace.h b/arch/x86/kvm/mmutrace.h index 9f6c855a0043..dd30dccd2ad5 100644 --- a/arch/x86/kvm/mmutrace.h +++ b/arch/x86/kvm/mmutrace.h @@ -29,10 +29,10 @@ \ role.word = __entry->role; \ \ - trace_seq_printf(p, "sp gfn %llx l%u%s q%u%s %s%s" \ + trace_seq_printf(p, "sp gfn %llx l%u %u-byte q%u%s %s%s" \ " %snxe %sad root %u %s%c", \ __entry->gfn, role.level, \ - role.cr4_pae ? " pae" : "", \ + role.gpte_is_8_bytes ? 8 : 4, \ role.quadrant, \ role.direct ? " direct" : "", \ access_str[role.access], \ diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c index b5b128a0a051..426039285fd1 100644 --- a/arch/x86/kvm/svm.c +++ b/arch/x86/kvm/svm.c @@ -7098,6 +7098,36 @@ static int nested_enable_evmcs(struct kvm_vcpu *vcpu, return -ENODEV; } +static bool svm_need_emulation_on_page_fault(struct kvm_vcpu *vcpu) +{ + bool is_user, smap; + + is_user = svm_get_cpl(vcpu) == 3; + smap = !kvm_read_cr4_bits(vcpu, X86_CR4_SMAP); + + /* + * Detect and workaround Errata 1096 Fam_17h_00_0Fh + * + * In non SEV guest, hypervisor will be able to read the guest + * memory to decode the instruction pointer when insn_len is zero + * so we return true to indicate that decoding is possible. + * + * But in the SEV guest, the guest memory is encrypted with the + * guest specific key and hypervisor will not be able to decode the + * instruction pointer so we will not able to workaround it. Lets + * print the error and request to kill the guest. + */ + if (is_user && smap) { + if (!sev_guest(vcpu->kvm)) + return true; + + pr_err_ratelimited("KVM: Guest triggered AMD Erratum 1096\n"); + kvm_make_request(KVM_REQ_TRIPLE_FAULT, vcpu); + } + + return false; +} + static struct kvm_x86_ops svm_x86_ops __ro_after_init = { .cpu_has_kvm_support = has_svm, .disabled_by_bios = is_disabled, @@ -7231,6 +7261,8 @@ static struct kvm_x86_ops svm_x86_ops __ro_after_init = { .nested_enable_evmcs = nested_enable_evmcs, .nested_get_evmcs_version = nested_get_evmcs_version, + + .need_emulation_on_page_fault = svm_need_emulation_on_page_fault, }; static int __init svm_init(void) diff --git a/arch/x86/kvm/vmx/nested.c b/arch/x86/kvm/vmx/nested.c index f24a2c225070..153e539c29c9 100644 --- a/arch/x86/kvm/vmx/nested.c +++ b/arch/x86/kvm/vmx/nested.c @@ -2585,6 +2585,11 @@ static int nested_check_host_control_regs(struct kvm_vcpu *vcpu, !nested_host_cr4_valid(vcpu, vmcs12->host_cr4) || !nested_cr3_valid(vcpu, vmcs12->host_cr3)) return -EINVAL; + + if (is_noncanonical_address(vmcs12->host_ia32_sysenter_esp, vcpu) || + is_noncanonical_address(vmcs12->host_ia32_sysenter_eip, vcpu)) + return -EINVAL; + /* * If the load IA32_EFER VM-exit control is 1, bits reserved in the * IA32_EFER MSR must be 0 in the field for that register. In addition, diff --git a/arch/x86/kvm/vmx/vmx.c b/arch/x86/kvm/vmx/vmx.c index c73375e01ab8..ab432a930ae8 100644 --- a/arch/x86/kvm/vmx/vmx.c +++ b/arch/x86/kvm/vmx/vmx.c @@ -1683,12 +1683,6 @@ static int vmx_get_msr(struct kvm_vcpu *vcpu, struct msr_data *msr_info) msr_info->data = to_vmx(vcpu)->spec_ctrl; break; - case MSR_IA32_ARCH_CAPABILITIES: - if (!msr_info->host_initiated && - !guest_cpuid_has(vcpu, X86_FEATURE_ARCH_CAPABILITIES)) - return 1; - msr_info->data = to_vmx(vcpu)->arch_capabilities; - break; case MSR_IA32_SYSENTER_CS: msr_info->data = vmcs_read32(GUEST_SYSENTER_CS); break; @@ -1895,11 +1889,6 @@ static int vmx_set_msr(struct kvm_vcpu *vcpu, struct msr_data *msr_info) vmx_disable_intercept_for_msr(vmx->vmcs01.msr_bitmap, MSR_IA32_PRED_CMD, MSR_TYPE_W); break; - case MSR_IA32_ARCH_CAPABILITIES: - if (!msr_info->host_initiated) - return 1; - vmx->arch_capabilities = data; - break; case MSR_IA32_CR_PAT: if (vmcs_config.vmentry_ctrl & VM_ENTRY_LOAD_IA32_PAT) { if (!kvm_mtrr_valid(vcpu, MSR_IA32_CR_PAT, data)) @@ -4088,8 +4077,6 @@ static void vmx_vcpu_setup(struct vcpu_vmx *vmx) ++vmx->nmsrs; } - vmx->arch_capabilities = kvm_get_arch_capabilities(); - vm_exit_controls_init(vmx, vmx_vmexit_ctrl()); /* 22.2.1, 20.8.1 */ @@ -7409,6 +7396,11 @@ static int enable_smi_window(struct kvm_vcpu *vcpu) return 0; } +static bool vmx_need_emulation_on_page_fault(struct kvm_vcpu *vcpu) +{ + return 0; +} + static __init int hardware_setup(void) { unsigned long host_bndcfgs; @@ -7711,6 +7703,7 @@ static struct kvm_x86_ops vmx_x86_ops __ro_after_init = { .set_nested_state = NULL, .get_vmcs12_pages = NULL, .nested_enable_evmcs = NULL, + .need_emulation_on_page_fault = vmx_need_emulation_on_page_fault, }; static void vmx_cleanup_l1d_flush(void) diff --git a/arch/x86/kvm/vmx/vmx.h b/arch/x86/kvm/vmx/vmx.h index 1554cb45b393..a1e00d0a2482 100644 --- a/arch/x86/kvm/vmx/vmx.h +++ b/arch/x86/kvm/vmx/vmx.h @@ -190,7 +190,6 @@ struct vcpu_vmx { u64 msr_guest_kernel_gs_base; #endif - u64 arch_capabilities; u64 spec_ctrl; u32 vm_entry_controls_shadow; diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index 65e4559eef2f..099b851dabaf 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -1125,7 +1125,7 @@ static u32 msrs_to_save[] = { #endif MSR_IA32_TSC, MSR_IA32_CR_PAT, MSR_VM_HSAVE_PA, MSR_IA32_FEATURE_CONTROL, MSR_IA32_BNDCFGS, MSR_TSC_AUX, - MSR_IA32_SPEC_CTRL, MSR_IA32_ARCH_CAPABILITIES, + MSR_IA32_SPEC_CTRL, MSR_IA32_RTIT_CTL, MSR_IA32_RTIT_STATUS, MSR_IA32_RTIT_CR3_MATCH, MSR_IA32_RTIT_OUTPUT_BASE, MSR_IA32_RTIT_OUTPUT_MASK, MSR_IA32_RTIT_ADDR0_A, MSR_IA32_RTIT_ADDR0_B, @@ -1158,6 +1158,7 @@ static u32 emulated_msrs[] = { MSR_IA32_TSC_ADJUST, MSR_IA32_TSCDEADLINE, + MSR_IA32_ARCH_CAPABILITIES, MSR_IA32_MISC_ENABLE, MSR_IA32_MCG_STATUS, MSR_IA32_MCG_CTL, @@ -2443,6 +2444,11 @@ int kvm_set_msr_common(struct kvm_vcpu *vcpu, struct msr_data *msr_info) if (msr_info->host_initiated) vcpu->arch.microcode_version = data; break; + case MSR_IA32_ARCH_CAPABILITIES: + if (!msr_info->host_initiated) + return 1; + vcpu->arch.arch_capabilities = data; + break; case MSR_EFER: return set_efer(vcpu, data); case MSR_K7_HWCR: @@ -2747,6 +2753,12 @@ int kvm_get_msr_common(struct kvm_vcpu *vcpu, struct msr_data *msr_info) case MSR_IA32_UCODE_REV: msr_info->data = vcpu->arch.microcode_version; break; + case MSR_IA32_ARCH_CAPABILITIES: + if (!msr_info->host_initiated && + !guest_cpuid_has(vcpu, X86_FEATURE_ARCH_CAPABILITIES)) + return 1; + msr_info->data = vcpu->arch.arch_capabilities; + break; case MSR_IA32_TSC: msr_info->data = kvm_scale_tsc(vcpu, rdtsc()) + vcpu->arch.tsc_offset; break; @@ -6523,14 +6535,27 @@ int kvm_emulate_instruction_from_buffer(struct kvm_vcpu *vcpu, } EXPORT_SYMBOL_GPL(kvm_emulate_instruction_from_buffer); +static int complete_fast_pio_out(struct kvm_vcpu *vcpu) +{ + vcpu->arch.pio.count = 0; + + if (unlikely(!kvm_is_linear_rip(vcpu, vcpu->arch.pio.linear_rip))) + return 1; + + return kvm_skip_emulated_instruction(vcpu); +} + static int kvm_fast_pio_out(struct kvm_vcpu *vcpu, int size, unsigned short port) { unsigned long val = kvm_register_read(vcpu, VCPU_REGS_RAX); int ret = emulator_pio_out_emulated(&vcpu->arch.emulate_ctxt, size, port, &val, 1); - /* do not return to emulator after return from userspace */ - vcpu->arch.pio.count = 0; + + if (!ret) { + vcpu->arch.pio.linear_rip = kvm_get_linear_rip(vcpu); + vcpu->arch.complete_userspace_io = complete_fast_pio_out; + } return ret; } @@ -6541,6 +6566,11 @@ static int complete_fast_pio_in(struct kvm_vcpu *vcpu) /* We should only ever be called with arch.pio.count equal to 1 */ BUG_ON(vcpu->arch.pio.count != 1); + if (unlikely(!kvm_is_linear_rip(vcpu, vcpu->arch.pio.linear_rip))) { + vcpu->arch.pio.count = 0; + return 1; + } + /* For size less than 4 we merge, else we zero extend */ val = (vcpu->arch.pio.size < 4) ? kvm_register_read(vcpu, VCPU_REGS_RAX) : 0; @@ -6553,7 +6583,7 @@ static int complete_fast_pio_in(struct kvm_vcpu *vcpu) vcpu->arch.pio.port, &val, 1); kvm_register_write(vcpu, VCPU_REGS_RAX, val); - return 1; + return kvm_skip_emulated_instruction(vcpu); } static int kvm_fast_pio_in(struct kvm_vcpu *vcpu, int size, @@ -6572,6 +6602,7 @@ static int kvm_fast_pio_in(struct kvm_vcpu *vcpu, int size, return ret; } + vcpu->arch.pio.linear_rip = kvm_get_linear_rip(vcpu); vcpu->arch.complete_userspace_io = complete_fast_pio_in; return 0; @@ -6579,16 +6610,13 @@ static int kvm_fast_pio_in(struct kvm_vcpu *vcpu, int size, int kvm_fast_pio(struct kvm_vcpu *vcpu, int size, unsigned short port, int in) { - int ret = kvm_skip_emulated_instruction(vcpu); + int ret; - /* - * TODO: we might be squashing a KVM_GUESTDBG_SINGLESTEP-triggered - * KVM_EXIT_DEBUG here. - */ if (in) - return kvm_fast_pio_in(vcpu, size, port) && ret; + ret = kvm_fast_pio_in(vcpu, size, port); else - return kvm_fast_pio_out(vcpu, size, port) && ret; + ret = kvm_fast_pio_out(vcpu, size, port); + return ret && kvm_skip_emulated_instruction(vcpu); } EXPORT_SYMBOL_GPL(kvm_fast_pio); @@ -8733,6 +8761,7 @@ struct kvm_vcpu *kvm_arch_vcpu_create(struct kvm *kvm, int kvm_arch_vcpu_setup(struct kvm_vcpu *vcpu) { + vcpu->arch.arch_capabilities = kvm_get_arch_capabilities(); vcpu->arch.msr_platform_info = MSR_PLATFORM_INFO_CPUID_FAULT; kvm_vcpu_mtrr_init(vcpu); vcpu_load(vcpu); @@ -9429,13 +9458,9 @@ void kvm_arch_commit_memory_region(struct kvm *kvm, const struct kvm_memory_slot *new, enum kvm_mr_change change) { - int nr_mmu_pages = 0; - if (!kvm->arch.n_requested_mmu_pages) - nr_mmu_pages = kvm_mmu_calculate_mmu_pages(kvm); - - if (nr_mmu_pages) - kvm_mmu_change_mmu_pages(kvm, nr_mmu_pages); + kvm_mmu_change_mmu_pages(kvm, + kvm_mmu_calculate_default_mmu_pages(kvm)); /* * Dirty logging tracks sptes in 4k granularity, meaning that large diff --git a/arch/x86/lib/csum-partial_64.c b/arch/x86/lib/csum-partial_64.c index 9baca3e054be..e7925d668b68 100644 --- a/arch/x86/lib/csum-partial_64.c +++ b/arch/x86/lib/csum-partial_64.c @@ -94,7 +94,7 @@ static unsigned do_csum(const unsigned char *buff, unsigned len) : "m" (*(unsigned long *)buff), "r" (zero), "0" (result)); --count; - buff += 8; + buff += 8; } result = add32_with_carry(result>>32, result&0xffffffff); diff --git a/arch/x86/mm/mmap.c b/arch/x86/mm/mmap.c index db3165714521..dc726e07d8ba 100644 --- a/arch/x86/mm/mmap.c +++ b/arch/x86/mm/mmap.c @@ -230,7 +230,7 @@ bool mmap_address_hint_valid(unsigned long addr, unsigned long len) /* Can we access it for direct reading/writing? Must be RAM: */ int valid_phys_addr_range(phys_addr_t addr, size_t count) { - return addr + count <= __pa(high_memory); + return addr + count - 1 <= __pa(high_memory - 1); } /* Can we access it through mmap? Must be a valid physical address: */ diff --git a/arch/x86/mm/pti.c b/arch/x86/mm/pti.c index 4fee5c3003ed..139b28a01ce4 100644 --- a/arch/x86/mm/pti.c +++ b/arch/x86/mm/pti.c @@ -77,7 +77,7 @@ static void __init pti_print_if_secure(const char *reason) pr_info("%s\n", reason); } -enum pti_mode { +static enum pti_mode { PTI_AUTO = 0, PTI_FORCE_OFF, PTI_FORCE_ON @@ -602,7 +602,7 @@ static void pti_clone_kernel_text(void) set_memory_global(start, (end_global - start) >> PAGE_SHIFT); } -void pti_set_kernel_image_nonglobal(void) +static void pti_set_kernel_image_nonglobal(void) { /* * The identity map is created with PMDs, regardless of the diff --git a/arch/x86/platform/efi/quirks.c b/arch/x86/platform/efi/quirks.c index 458a0e2bcc57..a25a9fd987a9 100644 --- a/arch/x86/platform/efi/quirks.c +++ b/arch/x86/platform/efi/quirks.c @@ -449,7 +449,7 @@ void __init efi_free_boot_services(void) */ rm_size = real_mode_size_needed(); if (rm_size && (start + rm_size) < (1<<20) && size >= rm_size) { - set_real_mode_mem(start, rm_size); + set_real_mode_mem(start); start += rm_size; size -= rm_size; } diff --git a/arch/x86/realmode/init.c b/arch/x86/realmode/init.c index d10105825d57..7dce39c8c034 100644 --- a/arch/x86/realmode/init.c +++ b/arch/x86/realmode/init.c @@ -15,15 +15,6 @@ u32 *trampoline_cr4_features; /* Hold the pgd entry used on booting additional CPUs */ pgd_t trampoline_pgd_entry; -void __init set_real_mode_mem(phys_addr_t mem, size_t size) -{ - void *base = __va(mem); - - real_mode_header = (struct real_mode_header *) base; - printk(KERN_DEBUG "Base memory trampoline at [%p] %llx size %zu\n", - base, (unsigned long long)mem, size); -} - void __init reserve_real_mode(void) { phys_addr_t mem; @@ -42,7 +33,7 @@ void __init reserve_real_mode(void) } memblock_reserve(mem, size); - set_real_mode_mem(mem, size); + set_real_mode_mem(mem); } static void __init setup_real_mode(void) diff --git a/arch/xtensa/include/asm/Kbuild b/arch/xtensa/include/asm/Kbuild index 42b6cb3d16f7..3843198e03d4 100644 --- a/arch/xtensa/include/asm/Kbuild +++ b/arch/xtensa/include/asm/Kbuild @@ -15,6 +15,7 @@ generic-y += irq_work.h generic-y += kdebug.h generic-y += kmap_types.h generic-y += kprobes.h +generic-y += kvm_para.h generic-y += local.h generic-y += local64.h generic-y += mcs_spinlock.h diff --git a/arch/xtensa/include/uapi/asm/Kbuild b/arch/xtensa/include/uapi/asm/Kbuild index 8a7ad40be463..7417847dc438 100644 --- a/arch/xtensa/include/uapi/asm/Kbuild +++ b/arch/xtensa/include/uapi/asm/Kbuild @@ -1,2 +1 @@ generated-y += unistd_32.h -generic-y += kvm_para.h diff --git a/block/bio.c b/block/bio.c index 71a78d9fb8b7..b64cedc7f87c 100644 --- a/block/bio.c +++ b/block/bio.c @@ -849,20 +849,14 @@ static int __bio_iov_bvec_add_pages(struct bio *bio, struct iov_iter *iter) size = bio_add_page(bio, bv->bv_page, len, bv->bv_offset + iter->iov_offset); if (size == len) { - struct page *page; - int i; + if (!bio_flagged(bio, BIO_NO_PAGE_REF)) { + struct page *page; + int i; + + mp_bvec_for_each_page(page, bv, i) + get_page(page); + } - /* - * For the normal O_DIRECT case, we could skip grabbing this - * reference and then not have to put them again when IO - * completes. But this breaks some in-kernel users, like - * splicing to/from a loop device, where we release the pipe - * pages unconditionally. If we can fix that case, we can - * get rid of the get here and the need to call - * bio_release_pages() at IO completion time. - */ - mp_bvec_for_each_page(page, bv, i) - get_page(page); iov_iter_advance(iter, size); return 0; } @@ -925,10 +919,12 @@ static int __bio_iov_iter_get_pages(struct bio *bio, struct iov_iter *iter) * This takes either an iterator pointing to user memory, or one pointing to * kernel pages (BVEC iterator). If we're adding user pages, we pin them and * map them into the kernel. On IO completion, the caller should put those - * pages. For now, when adding kernel pages, we still grab a reference to the - * page. This isn't strictly needed for the common case, but some call paths - * end up releasing pages from eg a pipe and we can't easily control these. - * See comment in __bio_iov_bvec_add_pages(). + * pages. If we're adding kernel pages, and the caller told us it's safe to + * do so, we just have to add the pages to the bio directly. We don't grab an + * extra reference to those pages (the user should already have that), and we + * don't put the page on IO completion. The caller needs to check if the bio is + * flagged BIO_NO_PAGE_REF on IO completion. If it isn't, then pages should be + * released. * * The function tries, but does not guarantee, to pin as many pages as * fit into the bio, or are requested in *iter, whatever is smaller. If @@ -940,6 +936,13 @@ int bio_iov_iter_get_pages(struct bio *bio, struct iov_iter *iter) const bool is_bvec = iov_iter_is_bvec(iter); unsigned short orig_vcnt = bio->bi_vcnt; + /* + * If this is a BVEC iter, then the pages are kernel pages. Don't + * release them on IO completion, if the caller asked us to. + */ + if (is_bvec && iov_iter_bvec_no_ref(iter)) + bio_set_flag(bio, BIO_NO_PAGE_REF); + do { int ret; @@ -1696,7 +1699,8 @@ static void bio_dirty_fn(struct work_struct *work) next = bio->bi_private; bio_set_pages_dirty(bio); - bio_release_pages(bio); + if (!bio_flagged(bio, BIO_NO_PAGE_REF)) + bio_release_pages(bio); bio_put(bio); } } @@ -1713,7 +1717,8 @@ void bio_check_pages_dirty(struct bio *bio) goto defer; } - bio_release_pages(bio); + if (!bio_flagged(bio, BIO_NO_PAGE_REF)) + bio_release_pages(bio); bio_put(bio); return; defer: diff --git a/block/blk-cgroup.c b/block/blk-cgroup.c index 77f37ef8ef06..617a2b3f7582 100644 --- a/block/blk-cgroup.c +++ b/block/blk-cgroup.c @@ -1736,8 +1736,8 @@ out: /** * blkcg_schedule_throttle - this task needs to check for throttling - * @q - the request queue IO was submitted on - * @use_memdelay - do we charge this to memory delay for PSI + * @q: the request queue IO was submitted on + * @use_memdelay: do we charge this to memory delay for PSI * * This is called by the IO controller when we know there's delay accumulated * for the blkg for this task. We do not pass the blkg because there are places @@ -1769,8 +1769,9 @@ void blkcg_schedule_throttle(struct request_queue *q, bool use_memdelay) /** * blkcg_add_delay - add delay to this blkg - * @now - the current time in nanoseconds - * @delta - how many nanoseconds of delay to add + * @blkg: blkg of interest + * @now: the current time in nanoseconds + * @delta: how many nanoseconds of delay to add * * Charge @delta to the blkg's current delay accumulation. This is used to * throttle tasks if an IO controller thinks we need more throttling. diff --git a/block/blk-flush.c b/block/blk-flush.c index 6e0f2d97fc6d..d95f94892015 100644 --- a/block/blk-flush.c +++ b/block/blk-flush.c @@ -220,7 +220,7 @@ static void flush_end_io(struct request *flush_rq, blk_status_t error) blk_mq_tag_set_rq(hctx, flush_rq->tag, fq->orig_rq); flush_rq->tag = -1; } else { - blk_mq_put_driver_tag_hctx(hctx, flush_rq); + blk_mq_put_driver_tag(flush_rq); flush_rq->internal_tag = -1; } @@ -324,7 +324,7 @@ static void mq_flush_data_end_io(struct request *rq, blk_status_t error) if (q->elevator) { WARN_ON(rq->tag < 0); - blk_mq_put_driver_tag_hctx(hctx, rq); + blk_mq_put_driver_tag(rq); } /* diff --git a/block/blk-iolatency.c b/block/blk-iolatency.c index 2620baa1f699..507212d75ee2 100644 --- a/block/blk-iolatency.c +++ b/block/blk-iolatency.c @@ -75,6 +75,7 @@ #include <linux/blk-mq.h> #include "blk-rq-qos.h" #include "blk-stat.h" +#include "blk.h" #define DEFAULT_SCALE_COOKIE 1000000U diff --git a/block/blk-mq.c b/block/blk-mq.c index a9c181603cbd..3ff3d7b49969 100644 --- a/block/blk-mq.c +++ b/block/blk-mq.c @@ -59,7 +59,8 @@ static int blk_mq_poll_stats_bkt(const struct request *rq) } /* - * Check if any of the ctx's have pending work in this hardware queue + * Check if any of the ctx, dispatch list or elevator + * have pending work in this hardware queue. */ static bool blk_mq_hctx_has_pending(struct blk_mq_hw_ctx *hctx) { @@ -782,7 +783,6 @@ void blk_mq_add_to_requeue_list(struct request *rq, bool at_head, if (kick_requeue_list) blk_mq_kick_requeue_list(q); } -EXPORT_SYMBOL(blk_mq_add_to_requeue_list); void blk_mq_kick_requeue_list(struct request_queue *q) { @@ -1072,7 +1072,13 @@ static int blk_mq_dispatch_wake(wait_queue_entry_t *wait, unsigned mode, hctx = container_of(wait, struct blk_mq_hw_ctx, dispatch_wait); spin_lock(&hctx->dispatch_wait_lock); - list_del_init(&wait->entry); + if (!list_empty(&wait->entry)) { + struct sbitmap_queue *sbq; + + list_del_init(&wait->entry); + sbq = &hctx->tags->bitmap_tags; + atomic_dec(&sbq->ws_active); + } spin_unlock(&hctx->dispatch_wait_lock); blk_mq_run_hw_queue(hctx, true); @@ -1088,13 +1094,13 @@ static int blk_mq_dispatch_wake(wait_queue_entry_t *wait, unsigned mode, static bool blk_mq_mark_tag_wait(struct blk_mq_hw_ctx *hctx, struct request *rq) { + struct sbitmap_queue *sbq = &hctx->tags->bitmap_tags; struct wait_queue_head *wq; wait_queue_entry_t *wait; bool ret; if (!(hctx->flags & BLK_MQ_F_TAG_SHARED)) { - if (!test_bit(BLK_MQ_S_SCHED_RESTART, &hctx->state)) - set_bit(BLK_MQ_S_SCHED_RESTART, &hctx->state); + blk_mq_sched_mark_restart_hctx(hctx); /* * It's possible that a tag was freed in the window between the @@ -1111,7 +1117,7 @@ static bool blk_mq_mark_tag_wait(struct blk_mq_hw_ctx *hctx, if (!list_empty_careful(&wait->entry)) return false; - wq = &bt_wait_ptr(&hctx->tags->bitmap_tags, hctx)->wait; + wq = &bt_wait_ptr(sbq, hctx)->wait; spin_lock_irq(&wq->lock); spin_lock(&hctx->dispatch_wait_lock); @@ -1121,6 +1127,7 @@ static bool blk_mq_mark_tag_wait(struct blk_mq_hw_ctx *hctx, return false; } + atomic_inc(&sbq->ws_active); wait->flags &= ~WQ_FLAG_EXCLUSIVE; __add_wait_queue(wq, wait); @@ -1141,6 +1148,7 @@ static bool blk_mq_mark_tag_wait(struct blk_mq_hw_ctx *hctx, * someone else gets the wakeup. */ list_del_init(&wait->entry); + atomic_dec(&sbq->ws_active); spin_unlock(&hctx->dispatch_wait_lock); spin_unlock_irq(&wq->lock); @@ -2857,7 +2865,7 @@ struct request_queue *blk_mq_init_allocated_queue(struct blk_mq_tag_set *set, /* * Default to classic polling */ - q->poll_nsec = -1; + q->poll_nsec = BLK_MQ_POLL_CLASSIC; blk_mq_init_cpu_queues(q, set->nr_hw_queues); blk_mq_add_queue_tag_set(set, q); @@ -3392,7 +3400,7 @@ static bool blk_mq_poll_hybrid(struct request_queue *q, { struct request *rq; - if (q->poll_nsec == -1) + if (q->poll_nsec == BLK_MQ_POLL_CLASSIC) return false; if (!blk_qc_t_is_internal(cookie)) diff --git a/block/blk-mq.h b/block/blk-mq.h index c11353a3749d..d704fc7766f4 100644 --- a/block/blk-mq.h +++ b/block/blk-mq.h @@ -41,6 +41,8 @@ void blk_mq_free_queue(struct request_queue *q); int blk_mq_update_nr_requests(struct request_queue *q, unsigned int nr); void blk_mq_wake_waiters(struct request_queue *q); bool blk_mq_dispatch_rq_list(struct request_queue *, struct list_head *, bool); +void blk_mq_add_to_requeue_list(struct request *rq, bool at_head, + bool kick_requeue_list); void blk_mq_flush_busy_ctxs(struct blk_mq_hw_ctx *hctx, struct list_head *list); bool blk_mq_get_driver_tag(struct request *rq); struct request *blk_mq_dequeue_from_ctx(struct blk_mq_hw_ctx *hctx, @@ -222,15 +224,6 @@ static inline void __blk_mq_put_driver_tag(struct blk_mq_hw_ctx *hctx, } } -static inline void blk_mq_put_driver_tag_hctx(struct blk_mq_hw_ctx *hctx, - struct request *rq) -{ - if (rq->tag == -1 || rq->internal_tag == -1) - return; - - __blk_mq_put_driver_tag(hctx, rq); -} - static inline void blk_mq_put_driver_tag(struct request *rq) { if (rq->tag == -1 || rq->internal_tag == -1) diff --git a/block/blk-sysfs.c b/block/blk-sysfs.c index 59685918167e..422327089e0f 100644 --- a/block/blk-sysfs.c +++ b/block/blk-sysfs.c @@ -360,8 +360,8 @@ static ssize_t queue_poll_delay_show(struct request_queue *q, char *page) { int val; - if (q->poll_nsec == -1) - val = -1; + if (q->poll_nsec == BLK_MQ_POLL_CLASSIC) + val = BLK_MQ_POLL_CLASSIC; else val = q->poll_nsec / 1000; @@ -380,10 +380,12 @@ static ssize_t queue_poll_delay_store(struct request_queue *q, const char *page, if (err < 0) return err; - if (val == -1) - q->poll_nsec = -1; - else + if (val == BLK_MQ_POLL_CLASSIC) + q->poll_nsec = BLK_MQ_POLL_CLASSIC; + else if (val >= 0) q->poll_nsec = val * 1000; + else + return -EINVAL; return count; } diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c index 6ecbbabf1233..eec263c9019e 100644 --- a/drivers/acpi/bus.c +++ b/drivers/acpi/bus.c @@ -1043,9 +1043,6 @@ void __init acpi_early_init(void) acpi_permanent_mmap = true; - /* Initialize debug output. Linux does not use ACPICA defaults */ - acpi_dbg_level = ACPI_LV_INFO | ACPI_LV_REPAIR; - #ifdef CONFIG_X86 /* * If the machine falls into the DMI check table, diff --git a/drivers/acpi/cppc_acpi.c b/drivers/acpi/cppc_acpi.c index 1b207fca1420..d4244e7d0e38 100644 --- a/drivers/acpi/cppc_acpi.c +++ b/drivers/acpi/cppc_acpi.c @@ -1150,8 +1150,13 @@ int cppc_get_perf_caps(int cpunum, struct cppc_perf_caps *perf_caps) cpc_read(cpunum, nominal_reg, &nom); perf_caps->nominal_perf = nom; - cpc_read(cpunum, guaranteed_reg, &guaranteed); - perf_caps->guaranteed_perf = guaranteed; + if (guaranteed_reg->type != ACPI_TYPE_BUFFER || + IS_NULL_REG(&guaranteed_reg->cpc_entry.reg)) { + perf_caps->guaranteed_perf = 0; + } else { + cpc_read(cpunum, guaranteed_reg, &guaranteed); + perf_caps->guaranteed_perf = guaranteed; + } cpc_read(cpunum, lowest_non_linear_reg, &min_nonlinear); perf_caps->lowest_nonlinear_perf = min_nonlinear; diff --git a/drivers/acpi/utils.c b/drivers/acpi/utils.c index 78db97687f26..c4b06cc075f9 100644 --- a/drivers/acpi/utils.c +++ b/drivers/acpi/utils.c @@ -800,6 +800,7 @@ bool acpi_dev_present(const char *hid, const char *uid, s64 hrv) match.hrv = hrv; dev = bus_find_device(&acpi_bus_type, NULL, &match, acpi_dev_match_cb); + put_device(dev); return !!dev; } EXPORT_SYMBOL(acpi_dev_present); diff --git a/drivers/android/binder.c b/drivers/android/binder.c index 8685882da64c..4b9c7ca492e6 100644 --- a/drivers/android/binder.c +++ b/drivers/android/binder.c @@ -2057,7 +2057,8 @@ static size_t binder_get_object(struct binder_proc *proc, size_t object_size = 0; read_size = min_t(size_t, sizeof(*object), buffer->data_size - offset); - if (read_size < sizeof(*hdr) || !IS_ALIGNED(offset, sizeof(u32))) + if (offset > buffer->data_size || read_size < sizeof(*hdr) || + !IS_ALIGNED(offset, sizeof(u32))) return 0; binder_alloc_copy_from_buffer(&proc->alloc, object, buffer, offset, read_size); diff --git a/drivers/android/binder_alloc.c b/drivers/android/binder_alloc.c index 6389467670a0..195f120c4e8c 100644 --- a/drivers/android/binder_alloc.c +++ b/drivers/android/binder_alloc.c @@ -927,14 +927,13 @@ enum lru_status binder_alloc_free_page(struct list_head *item, index = page - alloc->pages; page_addr = (uintptr_t)alloc->buffer + index * PAGE_SIZE; + + mm = alloc->vma_vm_mm; + if (!mmget_not_zero(mm)) + goto err_mmget; + if (!down_write_trylock(&mm->mmap_sem)) + goto err_down_write_mmap_sem_failed; vma = binder_alloc_get_vma(alloc); - if (vma) { - if (!mmget_not_zero(alloc->vma_vm_mm)) - goto err_mmget; - mm = alloc->vma_vm_mm; - if (!down_read_trylock(&mm->mmap_sem)) - goto err_down_write_mmap_sem_failed; - } list_lru_isolate(lru, item); spin_unlock(lock); @@ -945,10 +944,9 @@ enum lru_status binder_alloc_free_page(struct list_head *item, zap_page_range(vma, page_addr, PAGE_SIZE); trace_binder_unmap_user_end(alloc, index); - - up_read(&mm->mmap_sem); - mmput(mm); } + up_write(&mm->mmap_sem); + mmput(mm); trace_binder_unmap_kernel_start(alloc, index); diff --git a/drivers/ata/libata-zpodd.c b/drivers/ata/libata-zpodd.c index b3ed8f9953a8..173e6f2dd9af 100644 --- a/drivers/ata/libata-zpodd.c +++ b/drivers/ata/libata-zpodd.c @@ -52,38 +52,52 @@ static int eject_tray(struct ata_device *dev) /* Per the spec, only slot type and drawer type ODD can be supported */ static enum odd_mech_type zpodd_get_mech_type(struct ata_device *dev) { - char buf[16]; + char *buf; unsigned int ret; - struct rm_feature_desc *desc = (void *)(buf + 8); + struct rm_feature_desc *desc; struct ata_taskfile tf; static const char cdb[] = { GPCMD_GET_CONFIGURATION, 2, /* only 1 feature descriptor requested */ 0, 3, /* 3, removable medium feature */ 0, 0, 0,/* reserved */ - 0, sizeof(buf), + 0, 16, 0, 0, 0, }; + buf = kzalloc(16, GFP_KERNEL); + if (!buf) + return ODD_MECH_TYPE_UNSUPPORTED; + desc = (void *)(buf + 8); + ata_tf_init(dev, &tf); tf.flags = ATA_TFLAG_ISADDR | ATA_TFLAG_DEVICE; tf.command = ATA_CMD_PACKET; tf.protocol = ATAPI_PROT_PIO; - tf.lbam = sizeof(buf); + tf.lbam = 16; ret = ata_exec_internal(dev, &tf, cdb, DMA_FROM_DEVICE, - buf, sizeof(buf), 0); - if (ret) + buf, 16, 0); + if (ret) { + kfree(buf); return ODD_MECH_TYPE_UNSUPPORTED; + } - if (be16_to_cpu(desc->feature_code) != 3) + if (be16_to_cpu(desc->feature_code) != 3) { + kfree(buf); return ODD_MECH_TYPE_UNSUPPORTED; + } - if (desc->mech_type == 0 && desc->load == 0 && desc->eject == 1) + if (desc->mech_type == 0 && desc->load == 0 && desc->eject == 1) { + kfree(buf); return ODD_MECH_TYPE_SLOT; - else if (desc->mech_type == 1 && desc->load == 0 && desc->eject == 1) + } else if (desc->mech_type == 1 && desc->load == 0 && + desc->eject == 1) { + kfree(buf); return ODD_MECH_TYPE_DRAWER; - else + } else { + kfree(buf); return ODD_MECH_TYPE_UNSUPPORTED; + } } /* Test if ODD is zero power ready by sense code */ diff --git a/drivers/auxdisplay/Kconfig b/drivers/auxdisplay/Kconfig index 57410f9c5d44..c52c738e554a 100644 --- a/drivers/auxdisplay/Kconfig +++ b/drivers/auxdisplay/Kconfig @@ -164,9 +164,7 @@ config ARM_CHARLCD line and the Linux version on the second line, but that's still useful. -endif # AUXDISPLAY - -menuconfig PANEL +menuconfig PARPORT_PANEL tristate "Parallel port LCD/Keypad Panel support" depends on PARPORT select CHARLCD @@ -178,7 +176,7 @@ menuconfig PANEL compiled as a module, or linked into the kernel and started at boot. If you don't understand what all this is about, say N. -if PANEL +if PARPORT_PANEL config PANEL_PARPORT int "Default parallel port number (0=LPT1)" @@ -419,8 +417,11 @@ config PANEL_LCD_PIN_BL Default for the 'BL' pin in custom profile is '0' (uncontrolled). +endif # PARPORT_PANEL + config PANEL_CHANGE_MESSAGE bool "Change LCD initialization message ?" + depends on CHARLCD default "n" ---help--- This allows you to replace the boot message indicating the kernel version @@ -444,7 +445,34 @@ config PANEL_BOOT_MESSAGE An empty message will only clear the display at driver init time. Any other printf()-formatted message is valid with newline and escape codes. -endif # PANEL +choice + prompt "Backlight initial state" + default CHARLCD_BL_FLASH + + config CHARLCD_BL_OFF + bool "Off" + help + Backlight is initially turned off + + config CHARLCD_BL_ON + bool "On" + help + Backlight is initially turned on + + config CHARLCD_BL_FLASH + bool "Flash" + help + Backlight is flashed briefly on init + +endchoice + +endif # AUXDISPLAY + +config PANEL + tristate "Parallel port LCD/Keypad Panel support (OLD OPTION)" + depends on PARPORT + select AUXDISPLAY + select PARPORT_PANEL config CHARLCD tristate "Character LCD core support" if COMPILE_TEST diff --git a/drivers/auxdisplay/Makefile b/drivers/auxdisplay/Makefile index 7ac6776ca3f6..cf54b5efb07e 100644 --- a/drivers/auxdisplay/Makefile +++ b/drivers/auxdisplay/Makefile @@ -10,4 +10,4 @@ obj-$(CONFIG_CFAG12864B) += cfag12864b.o cfag12864bfb.o obj-$(CONFIG_IMG_ASCII_LCD) += img-ascii-lcd.o obj-$(CONFIG_HD44780) += hd44780.o obj-$(CONFIG_HT16K33) += ht16k33.o -obj-$(CONFIG_PANEL) += panel.o +obj-$(CONFIG_PARPORT_PANEL) += panel.o diff --git a/drivers/auxdisplay/charlcd.c b/drivers/auxdisplay/charlcd.c index 60e0b772673f..92745efefb54 100644 --- a/drivers/auxdisplay/charlcd.c +++ b/drivers/auxdisplay/charlcd.c @@ -91,7 +91,7 @@ struct charlcd_priv { unsigned long long drvdata[0]; }; -#define to_priv(p) container_of(p, struct charlcd_priv, lcd) +#define charlcd_to_priv(p) container_of(p, struct charlcd_priv, lcd) /* Device single-open policy control */ static atomic_t charlcd_available = ATOMIC_INIT(1); @@ -105,7 +105,7 @@ static void long_sleep(int ms) /* turn the backlight on or off */ static void charlcd_backlight(struct charlcd *lcd, int on) { - struct charlcd_priv *priv = to_priv(lcd); + struct charlcd_priv *priv = charlcd_to_priv(lcd); if (!lcd->ops->backlight) return; @@ -134,7 +134,7 @@ static void charlcd_bl_off(struct work_struct *work) /* turn the backlight on for a little while */ void charlcd_poke(struct charlcd *lcd) { - struct charlcd_priv *priv = to_priv(lcd); + struct charlcd_priv *priv = charlcd_to_priv(lcd); if (!lcd->ops->backlight) return; @@ -152,7 +152,7 @@ EXPORT_SYMBOL_GPL(charlcd_poke); static void charlcd_gotoxy(struct charlcd *lcd) { - struct charlcd_priv *priv = to_priv(lcd); + struct charlcd_priv *priv = charlcd_to_priv(lcd); unsigned int addr; /* @@ -170,7 +170,7 @@ static void charlcd_gotoxy(struct charlcd *lcd) static void charlcd_home(struct charlcd *lcd) { - struct charlcd_priv *priv = to_priv(lcd); + struct charlcd_priv *priv = charlcd_to_priv(lcd); priv->addr.x = 0; priv->addr.y = 0; @@ -179,7 +179,7 @@ static void charlcd_home(struct charlcd *lcd) static void charlcd_print(struct charlcd *lcd, char c) { - struct charlcd_priv *priv = to_priv(lcd); + struct charlcd_priv *priv = charlcd_to_priv(lcd); if (priv->addr.x < lcd->bwidth) { if (lcd->char_conv) @@ -211,7 +211,7 @@ static void charlcd_clear_fast(struct charlcd *lcd) /* clears the display and resets X/Y */ static void charlcd_clear_display(struct charlcd *lcd) { - struct charlcd_priv *priv = to_priv(lcd); + struct charlcd_priv *priv = charlcd_to_priv(lcd); lcd->ops->write_cmd(lcd, LCD_CMD_DISPLAY_CLEAR); priv->addr.x = 0; @@ -223,7 +223,7 @@ static void charlcd_clear_display(struct charlcd *lcd) static int charlcd_init_display(struct charlcd *lcd) { void (*write_cmd_raw)(struct charlcd *lcd, int cmd); - struct charlcd_priv *priv = to_priv(lcd); + struct charlcd_priv *priv = charlcd_to_priv(lcd); u8 init; if (lcd->ifwidth != 4 && lcd->ifwidth != 8) @@ -369,7 +369,7 @@ static bool parse_xy(const char *s, unsigned long *x, unsigned long *y) static inline int handle_lcd_special_code(struct charlcd *lcd) { - struct charlcd_priv *priv = to_priv(lcd); + struct charlcd_priv *priv = charlcd_to_priv(lcd); /* LCD special codes */ @@ -580,7 +580,7 @@ static inline int handle_lcd_special_code(struct charlcd *lcd) static void charlcd_write_char(struct charlcd *lcd, char c) { - struct charlcd_priv *priv = to_priv(lcd); + struct charlcd_priv *priv = charlcd_to_priv(lcd); /* first, we'll test if we're in escape mode */ if ((c != '\n') && priv->esc_seq.len >= 0) { @@ -705,7 +705,7 @@ static ssize_t charlcd_write(struct file *file, const char __user *buf, static int charlcd_open(struct inode *inode, struct file *file) { - struct charlcd_priv *priv = to_priv(the_charlcd); + struct charlcd_priv *priv = charlcd_to_priv(the_charlcd); int ret; ret = -EBUSY; @@ -763,10 +763,24 @@ static void charlcd_puts(struct charlcd *lcd, const char *s) } } +#ifdef CONFIG_PANEL_BOOT_MESSAGE +#define LCD_INIT_TEXT CONFIG_PANEL_BOOT_MESSAGE +#else +#define LCD_INIT_TEXT "Linux-" UTS_RELEASE "\n" +#endif + +#ifdef CONFIG_CHARLCD_BL_ON +#define LCD_INIT_BL "\x1b[L+" +#elif defined(CONFIG_CHARLCD_BL_FLASH) +#define LCD_INIT_BL "\x1b[L*" +#else +#define LCD_INIT_BL "\x1b[L-" +#endif + /* initialize the LCD driver */ static int charlcd_init(struct charlcd *lcd) { - struct charlcd_priv *priv = to_priv(lcd); + struct charlcd_priv *priv = charlcd_to_priv(lcd); int ret; if (lcd->ops->backlight) { @@ -784,13 +798,8 @@ static int charlcd_init(struct charlcd *lcd) return ret; /* display a short message */ -#ifdef CONFIG_PANEL_CHANGE_MESSAGE -#ifdef CONFIG_PANEL_BOOT_MESSAGE - charlcd_puts(lcd, "\x1b[Lc\x1b[Lb\x1b[L*" CONFIG_PANEL_BOOT_MESSAGE); -#endif -#else - charlcd_puts(lcd, "\x1b[Lc\x1b[Lb\x1b[L*Linux-" UTS_RELEASE "\n"); -#endif + charlcd_puts(lcd, "\x1b[Lc\x1b[Lb" LCD_INIT_BL LCD_INIT_TEXT); + /* clear the display on the next device opening */ priv->must_clear = true; charlcd_home(lcd); @@ -818,6 +827,12 @@ struct charlcd *charlcd_alloc(unsigned int drvdata_size) } EXPORT_SYMBOL_GPL(charlcd_alloc); +void charlcd_free(struct charlcd *lcd) +{ + kfree(charlcd_to_priv(lcd)); +} +EXPORT_SYMBOL_GPL(charlcd_free); + static int panel_notify_sys(struct notifier_block *this, unsigned long code, void *unused) { @@ -866,7 +881,7 @@ EXPORT_SYMBOL_GPL(charlcd_register); int charlcd_unregister(struct charlcd *lcd) { - struct charlcd_priv *priv = to_priv(lcd); + struct charlcd_priv *priv = charlcd_to_priv(lcd); unregister_reboot_notifier(&panel_notifier); charlcd_puts(lcd, "\x0cLCD driver unloaded.\x1b[Lc\x1b[Lb\x1b[L-"); diff --git a/drivers/auxdisplay/hd44780.c b/drivers/auxdisplay/hd44780.c index 9ad93ea42fdc..ab15b64707ad 100644 --- a/drivers/auxdisplay/hd44780.c +++ b/drivers/auxdisplay/hd44780.c @@ -271,7 +271,7 @@ static int hd44780_probe(struct platform_device *pdev) return 0; fail: - kfree(lcd); + charlcd_free(lcd); return ret; } @@ -280,6 +280,8 @@ static int hd44780_remove(struct platform_device *pdev) struct charlcd *lcd = platform_get_drvdata(pdev); charlcd_unregister(lcd); + + charlcd_free(lcd); return 0; } diff --git a/drivers/auxdisplay/panel.c b/drivers/auxdisplay/panel.c index 21b9b2f2470a..e06de63497cf 100644 --- a/drivers/auxdisplay/panel.c +++ b/drivers/auxdisplay/panel.c @@ -1620,7 +1620,7 @@ err_lcd_unreg: if (lcd.enabled) charlcd_unregister(lcd.charlcd); err_unreg_device: - kfree(lcd.charlcd); + charlcd_free(lcd.charlcd); lcd.charlcd = NULL; parport_unregister_device(pprt); pprt = NULL; @@ -1647,7 +1647,7 @@ static void panel_detach(struct parport *port) if (lcd.enabled) { charlcd_unregister(lcd.charlcd); lcd.initialized = false; - kfree(lcd.charlcd); + charlcd_free(lcd.charlcd); lcd.charlcd = NULL; } diff --git a/drivers/base/power/domain.c b/drivers/base/power/domain.c index 76c9969b7124..96a6dc9d305c 100644 --- a/drivers/base/power/domain.c +++ b/drivers/base/power/domain.c @@ -1469,12 +1469,12 @@ static int genpd_add_device(struct generic_pm_domain *genpd, struct device *dev, if (IS_ERR(gpd_data)) return PTR_ERR(gpd_data); - genpd_lock(genpd); - ret = genpd->attach_dev ? genpd->attach_dev(genpd, dev) : 0; if (ret) goto out; + genpd_lock(genpd); + dev_pm_domain_set(dev, &genpd->domain); genpd->device_count++; @@ -1482,9 +1482,8 @@ static int genpd_add_device(struct generic_pm_domain *genpd, struct device *dev, list_add_tail(&gpd_data->base.list_node, &genpd->dev_list); - out: genpd_unlock(genpd); - + out: if (ret) genpd_free_dev_data(dev, gpd_data); else @@ -1533,15 +1532,15 @@ static int genpd_remove_device(struct generic_pm_domain *genpd, genpd->device_count--; genpd->max_off_time_changed = true; - if (genpd->detach_dev) - genpd->detach_dev(genpd, dev); - dev_pm_domain_set(dev, NULL); list_del_init(&pdd->list_node); genpd_unlock(genpd); + if (genpd->detach_dev) + genpd->detach_dev(genpd, dev); + genpd_free_dev_data(dev, gpd_data); return 0; diff --git a/drivers/base/swnode.c b/drivers/base/swnode.c index 1fad9291f6aa..7fc5a18e02ad 100644 --- a/drivers/base/swnode.c +++ b/drivers/base/swnode.c @@ -472,7 +472,7 @@ static int software_node_read_string_array(const struct fwnode_handle *fwnode, val, nval); } -struct fwnode_handle * +static struct fwnode_handle * software_node_get_parent(const struct fwnode_handle *fwnode) { struct software_node *swnode = to_software_node(fwnode); @@ -481,7 +481,7 @@ software_node_get_parent(const struct fwnode_handle *fwnode) NULL; } -struct fwnode_handle * +static struct fwnode_handle * software_node_get_next_child(const struct fwnode_handle *fwnode, struct fwnode_handle *child) { diff --git a/drivers/block/loop.c b/drivers/block/loop.c index 1e6edd568214..bf1c61cab8eb 100644 --- a/drivers/block/loop.c +++ b/drivers/block/loop.c @@ -656,7 +656,7 @@ static int loop_validate_file(struct file *file, struct block_device *bdev) return -EBADF; l = f->f_mapping->host->i_bdev->bd_disk->private_data; - if (l->lo_state == Lo_unbound) { + if (l->lo_state != Lo_bound) { return -EINVAL; } f = l->lo_backing_file; diff --git a/drivers/block/paride/pcd.c b/drivers/block/paride/pcd.c index 96670eefaeb2..377a694dc228 100644 --- a/drivers/block/paride/pcd.c +++ b/drivers/block/paride/pcd.c @@ -749,8 +749,12 @@ static int pcd_detect(void) return 0; printk("%s: No CD-ROM drive found\n", name); - for (unit = 0, cd = pcd; unit < PCD_UNITS; unit++, cd++) + for (unit = 0, cd = pcd; unit < PCD_UNITS; unit++, cd++) { + blk_cleanup_queue(cd->disk->queue); + cd->disk->queue = NULL; + blk_mq_free_tag_set(&cd->tag_set); put_disk(cd->disk); + } pi_unregister_driver(par_drv); return -1; } diff --git a/drivers/block/paride/pf.c b/drivers/block/paride/pf.c index e92e7a8eeeb2..103b617cdc31 100644 --- a/drivers/block/paride/pf.c +++ b/drivers/block/paride/pf.c @@ -761,8 +761,12 @@ static int pf_detect(void) return 0; printk("%s: No ATAPI disk detected\n", name); - for (pf = units, unit = 0; unit < PF_UNITS; pf++, unit++) + for (pf = units, unit = 0; unit < PF_UNITS; pf++, unit++) { + blk_cleanup_queue(pf->disk->queue); + pf->disk->queue = NULL; + blk_mq_free_tag_set(&pf->tag_set); put_disk(pf->disk); + } pi_unregister_driver(par_drv); return -1; } @@ -1047,13 +1051,15 @@ static void __exit pf_exit(void) int unit; unregister_blkdev(major, name); for (pf = units, unit = 0; unit < PF_UNITS; pf++, unit++) { - if (!pf->present) - continue; - del_gendisk(pf->disk); + if (pf->present) + del_gendisk(pf->disk); + blk_cleanup_queue(pf->disk->queue); blk_mq_free_tag_set(&pf->tag_set); put_disk(pf->disk); - pi_release(pf->pi); + + if (pf->present) + pi_release(pf->pi); } } diff --git a/drivers/block/rbd.c b/drivers/block/rbd.c index 4ba967d65cf9..2210c1b9491b 100644 --- a/drivers/block/rbd.c +++ b/drivers/block/rbd.c @@ -833,7 +833,7 @@ static int parse_rbd_opts_token(char *c, void *private) pctx->opts->queue_depth = intval; break; case Opt_alloc_size: - if (intval < 1) { + if (intval < SECTOR_SIZE) { pr_err("alloc_size out of range\n"); return -EINVAL; } @@ -924,23 +924,6 @@ static void rbd_put_client(struct rbd_client *rbdc) kref_put(&rbdc->kref, rbd_client_release); } -static int wait_for_latest_osdmap(struct ceph_client *client) -{ - u64 newest_epoch; - int ret; - - ret = ceph_monc_get_version(&client->monc, "osdmap", &newest_epoch); - if (ret) - return ret; - - if (client->osdc.osdmap->epoch >= newest_epoch) - return 0; - - ceph_osdc_maybe_request_map(&client->osdc); - return ceph_monc_wait_osdmap(&client->monc, newest_epoch, - client->options->mount_timeout); -} - /* * Get a ceph client with specific addr and configuration, if one does * not exist create it. Either way, ceph_opts is consumed by this @@ -960,7 +943,8 @@ static struct rbd_client *rbd_get_client(struct ceph_options *ceph_opts) * Using an existing client. Make sure ->pg_pools is up to * date before we look up the pool id in do_rbd_add(). */ - ret = wait_for_latest_osdmap(rbdc->client); + ret = ceph_wait_for_latest_osdmap(rbdc->client, + rbdc->client->options->mount_timeout); if (ret) { rbd_warn(NULL, "failed to get latest osdmap: %d", ret); rbd_put_client(rbdc); @@ -4203,12 +4187,12 @@ static int rbd_init_disk(struct rbd_device *rbd_dev) q->limits.max_sectors = queue_max_hw_sectors(q); blk_queue_max_segments(q, USHRT_MAX); blk_queue_max_segment_size(q, UINT_MAX); - blk_queue_io_min(q, objset_bytes); - blk_queue_io_opt(q, objset_bytes); + blk_queue_io_min(q, rbd_dev->opts->alloc_size); + blk_queue_io_opt(q, rbd_dev->opts->alloc_size); if (rbd_dev->opts->trim) { blk_queue_flag_set(QUEUE_FLAG_DISCARD, q); - q->limits.discard_granularity = objset_bytes; + q->limits.discard_granularity = rbd_dev->opts->alloc_size; blk_queue_max_discard_sectors(q, objset_bytes >> SECTOR_SHIFT); blk_queue_max_write_zeroes_sectors(q, objset_bytes >> SECTOR_SHIFT); } diff --git a/drivers/block/zram/zram_drv.c b/drivers/block/zram/zram_drv.c index e7a5f1d1c314..399cad7daae7 100644 --- a/drivers/block/zram/zram_drv.c +++ b/drivers/block/zram/zram_drv.c @@ -290,18 +290,8 @@ static ssize_t idle_store(struct device *dev, struct zram *zram = dev_to_zram(dev); unsigned long nr_pages = zram->disksize >> PAGE_SHIFT; int index; - char mode_buf[8]; - ssize_t sz; - sz = strscpy(mode_buf, buf, sizeof(mode_buf)); - if (sz <= 0) - return -EINVAL; - - /* ignore trailing new line */ - if (mode_buf[sz - 1] == '\n') - mode_buf[sz - 1] = 0x00; - - if (strcmp(mode_buf, "all")) + if (!sysfs_streq(buf, "all")) return -EINVAL; down_read(&zram->init_lock); @@ -635,25 +625,15 @@ static ssize_t writeback_store(struct device *dev, struct bio bio; struct bio_vec bio_vec; struct page *page; - ssize_t ret, sz; - char mode_buf[8]; - int mode = -1; + ssize_t ret; + int mode; unsigned long blk_idx = 0; - sz = strscpy(mode_buf, buf, sizeof(mode_buf)); - if (sz <= 0) - return -EINVAL; - - /* ignore trailing newline */ - if (mode_buf[sz - 1] == '\n') - mode_buf[sz - 1] = 0x00; - - if (!strcmp(mode_buf, "idle")) + if (sysfs_streq(buf, "idle")) mode = IDLE_WRITEBACK; - else if (!strcmp(mode_buf, "huge")) + else if (sysfs_streq(buf, "huge")) mode = HUGE_WRITEBACK; - - if (mode == -1) + else return -EINVAL; down_read(&zram->init_lock); diff --git a/drivers/clocksource/clps711x-timer.c b/drivers/clocksource/clps711x-timer.c index a8dd80576c95..857f8c086274 100644 --- a/drivers/clocksource/clps711x-timer.c +++ b/drivers/clocksource/clps711x-timer.c @@ -31,16 +31,9 @@ static u64 notrace clps711x_sched_clock_read(void) return ~readw(tcd); } -static int __init _clps711x_clksrc_init(struct clk *clock, void __iomem *base) +static void __init clps711x_clksrc_init(struct clk *clock, void __iomem *base) { - unsigned long rate; - - if (!base) - return -ENOMEM; - if (IS_ERR(clock)) - return PTR_ERR(clock); - - rate = clk_get_rate(clock); + unsigned long rate = clk_get_rate(clock); tcd = base; @@ -48,8 +41,6 @@ static int __init _clps711x_clksrc_init(struct clk *clock, void __iomem *base) clocksource_mmio_readw_down); sched_clock_register(clps711x_sched_clock_read, 16, rate); - - return 0; } static irqreturn_t clps711x_timer_interrupt(int irq, void *dev_id) @@ -67,13 +58,6 @@ static int __init _clps711x_clkevt_init(struct clk *clock, void __iomem *base, struct clock_event_device *clkevt; unsigned long rate; - if (!irq) - return -EINVAL; - if (!base) - return -ENOMEM; - if (IS_ERR(clock)) - return PTR_ERR(clock); - clkevt = kzalloc(sizeof(*clkevt), GFP_KERNEL); if (!clkevt) return -ENOMEM; @@ -93,31 +77,29 @@ static int __init _clps711x_clkevt_init(struct clk *clock, void __iomem *base, "clps711x-timer", clkevt); } -void __init clps711x_clksrc_init(void __iomem *tc1_base, void __iomem *tc2_base, - unsigned int irq) -{ - struct clk *tc1 = clk_get_sys("clps711x-timer.0", NULL); - struct clk *tc2 = clk_get_sys("clps711x-timer.1", NULL); - - BUG_ON(_clps711x_clksrc_init(tc1, tc1_base)); - BUG_ON(_clps711x_clkevt_init(tc2, tc2_base, irq)); -} - -#ifdef CONFIG_TIMER_OF static int __init clps711x_timer_init(struct device_node *np) { unsigned int irq = irq_of_parse_and_map(np, 0); struct clk *clock = of_clk_get(np, 0); void __iomem *base = of_iomap(np, 0); + if (!base) + return -ENOMEM; + if (!irq) + return -EINVAL; + if (IS_ERR(clock)) + return PTR_ERR(clock); + switch (of_alias_get_id(np, "timer")) { case CLPS711X_CLKSRC_CLOCKSOURCE: - return _clps711x_clksrc_init(clock, base); + clps711x_clksrc_init(clock, base); + break; case CLPS711X_CLKSRC_CLOCKEVENT: return _clps711x_clkevt_init(clock, base, irq); default: return -EINVAL; } + + return 0; } TIMER_OF_DECLARE(clps711x, "cirrus,ep7209-timer", clps711x_timer_init); -#endif diff --git a/drivers/clocksource/mips-gic-timer.c b/drivers/clocksource/mips-gic-timer.c index 54f8a331b53a..37671a5d4ed9 100644 --- a/drivers/clocksource/mips-gic-timer.c +++ b/drivers/clocksource/mips-gic-timer.c @@ -67,7 +67,7 @@ static irqreturn_t gic_compare_interrupt(int irq, void *dev_id) return IRQ_HANDLED; } -struct irqaction gic_compare_irqaction = { +static struct irqaction gic_compare_irqaction = { .handler = gic_compare_interrupt, .percpu_dev_id = &gic_clockevent_device, .flags = IRQF_PERCPU | IRQF_TIMER, diff --git a/drivers/clocksource/tcb_clksrc.c b/drivers/clocksource/tcb_clksrc.c index 43f4d5c4d6fa..f987027ca566 100644 --- a/drivers/clocksource/tcb_clksrc.c +++ b/drivers/clocksource/tcb_clksrc.c @@ -71,7 +71,7 @@ static u64 tc_get_cycles32(struct clocksource *cs) return readl_relaxed(tcaddr + ATMEL_TC_REG(0, CV)); } -void tc_clksrc_suspend(struct clocksource *cs) +static void tc_clksrc_suspend(struct clocksource *cs) { int i; @@ -86,7 +86,7 @@ void tc_clksrc_suspend(struct clocksource *cs) bmr_cache = readl(tcaddr + ATMEL_TC_BMR); } -void tc_clksrc_resume(struct clocksource *cs) +static void tc_clksrc_resume(struct clocksource *cs) { int i; diff --git a/drivers/clocksource/timer-riscv.c b/drivers/clocksource/timer-riscv.c index e8163693e936..5e6038fbf115 100644 --- a/drivers/clocksource/timer-riscv.c +++ b/drivers/clocksource/timer-riscv.c @@ -58,7 +58,7 @@ static u64 riscv_sched_clock(void) static DEFINE_PER_CPU(struct clocksource, riscv_clocksource) = { .name = "riscv_clocksource", .rating = 300, - .mask = CLOCKSOURCE_MASK(BITS_PER_LONG), + .mask = CLOCKSOURCE_MASK(64), .flags = CLOCK_SOURCE_IS_CONTINUOUS, .read = riscv_clocksource_rdtime, }; @@ -120,8 +120,7 @@ static int __init riscv_timer_init_dt(struct device_node *n) return error; } - sched_clock_register(riscv_sched_clock, - BITS_PER_LONG, riscv_timebase); + sched_clock_register(riscv_sched_clock, 64, riscv_timebase); error = cpuhp_setup_state(CPUHP_AP_RISCV_TIMER_STARTING, "clockevents/riscv/timer:starting", diff --git a/drivers/clocksource/timer-ti-dm.c b/drivers/clocksource/timer-ti-dm.c index c364027638e1..3352da6ed61f 100644 --- a/drivers/clocksource/timer-ti-dm.c +++ b/drivers/clocksource/timer-ti-dm.c @@ -586,8 +586,8 @@ static int omap_dm_timer_set_load(struct omap_dm_timer *timer, int autoreload, } /* Optimized set_load which removes costly spin wait in timer_start */ -int omap_dm_timer_set_load_start(struct omap_dm_timer *timer, int autoreload, - unsigned int load) +static int omap_dm_timer_set_load_start(struct omap_dm_timer *timer, + int autoreload, unsigned int load) { u32 l; diff --git a/drivers/cpufreq/intel_pstate.c b/drivers/cpufreq/intel_pstate.c index e22f0dbaebb1..b599c7318aab 100644 --- a/drivers/cpufreq/intel_pstate.c +++ b/drivers/cpufreq/intel_pstate.c @@ -385,7 +385,10 @@ static int intel_pstate_get_cppc_guranteed(int cpu) if (ret) return ret; - return cppc_perf.guaranteed_perf; + if (cppc_perf.guaranteed_perf) + return cppc_perf.guaranteed_perf; + + return cppc_perf.nominal_perf; } #else /* CONFIG_ACPI_CPPC_LIB */ diff --git a/drivers/cpufreq/scpi-cpufreq.c b/drivers/cpufreq/scpi-cpufreq.c index 3f49427766b8..2b51e0718c9f 100644 --- a/drivers/cpufreq/scpi-cpufreq.c +++ b/drivers/cpufreq/scpi-cpufreq.c @@ -189,8 +189,8 @@ static int scpi_cpufreq_exit(struct cpufreq_policy *policy) clk_put(priv->clk); dev_pm_opp_free_cpufreq_table(priv->cpu_dev, &policy->freq_table); - kfree(priv); dev_pm_opp_remove_all_dynamic(priv->cpu_dev); + kfree(priv); return 0; } diff --git a/drivers/dma/stm32-mdma.c b/drivers/dma/stm32-mdma.c index 4e0eede599a8..ac0301b69593 100644 --- a/drivers/dma/stm32-mdma.c +++ b/drivers/dma/stm32-mdma.c @@ -1578,11 +1578,9 @@ static int stm32_mdma_probe(struct platform_device *pdev) dmadev->nr_channels = nr_channels; dmadev->nr_requests = nr_requests; - ret = device_property_read_u32_array(&pdev->dev, "st,ahb-addr-masks", + device_property_read_u32_array(&pdev->dev, "st,ahb-addr-masks", dmadev->ahb_addr_masks, count); - if (ret) - return ret; dmadev->nr_ahb_addr_masks = count; res = platform_get_resource(pdev, IORESOURCE_MEM, 0); diff --git a/drivers/gpio/gpio-adnp.c b/drivers/gpio/gpio-adnp.c index 91b90c0cea73..12acdac85820 100644 --- a/drivers/gpio/gpio-adnp.c +++ b/drivers/gpio/gpio-adnp.c @@ -132,8 +132,10 @@ static int adnp_gpio_direction_input(struct gpio_chip *chip, unsigned offset) if (err < 0) goto out; - if (err & BIT(pos)) - err = -EACCES; + if (value & BIT(pos)) { + err = -EPERM; + goto out; + } err = 0; diff --git a/drivers/gpio/gpio-aspeed.c b/drivers/gpio/gpio-aspeed.c index 854bce4fb9e7..217507002dbc 100644 --- a/drivers/gpio/gpio-aspeed.c +++ b/drivers/gpio/gpio-aspeed.c @@ -1224,6 +1224,8 @@ static int __init aspeed_gpio_probe(struct platform_device *pdev) gpio->offset_timer = devm_kzalloc(&pdev->dev, gpio->chip.ngpio, GFP_KERNEL); + if (!gpio->offset_timer) + return -ENOMEM; return aspeed_gpio_setup_irqs(gpio, pdev); } diff --git a/drivers/gpio/gpio-exar.c b/drivers/gpio/gpio-exar.c index 0ecd2369c2ca..a09d2f9ebacc 100644 --- a/drivers/gpio/gpio-exar.c +++ b/drivers/gpio/gpio-exar.c @@ -148,6 +148,8 @@ static int gpio_exar_probe(struct platform_device *pdev) mutex_init(&exar_gpio->lock); index = ida_simple_get(&ida_index, 0, 0, GFP_KERNEL); + if (index < 0) + goto err_destroy; sprintf(exar_gpio->name, "exar_gpio%d", index); exar_gpio->gpio_chip.label = exar_gpio->name; diff --git a/drivers/gpio/gpio-mockup.c b/drivers/gpio/gpio-mockup.c index 154d959e8993..b6a4efce7c92 100644 --- a/drivers/gpio/gpio-mockup.c +++ b/drivers/gpio/gpio-mockup.c @@ -204,8 +204,8 @@ static ssize_t gpio_mockup_debugfs_read(struct file *file, struct gpio_mockup_chip *chip; struct seq_file *sfile; struct gpio_chip *gc; + int val, cnt; char buf[3]; - int val, rv; if (*ppos != 0) return 0; @@ -216,13 +216,9 @@ static ssize_t gpio_mockup_debugfs_read(struct file *file, gc = &chip->gc; val = gpio_mockup_get(gc, priv->offset); - snprintf(buf, sizeof(buf), "%d\n", val); + cnt = snprintf(buf, sizeof(buf), "%d\n", val); - rv = copy_to_user(usr_buf, buf, sizeof(buf)); - if (rv) - return rv; - - return sizeof(buf) - 1; + return simple_read_from_buffer(usr_buf, size, ppos, buf, cnt); } static ssize_t gpio_mockup_debugfs_write(struct file *file, diff --git a/drivers/gpio/gpiolib-of.c b/drivers/gpio/gpiolib-of.c index 8b9c3ab70f6e..6a3ec575a404 100644 --- a/drivers/gpio/gpiolib-of.c +++ b/drivers/gpio/gpiolib-of.c @@ -120,7 +120,8 @@ static void of_gpio_flags_quirks(struct device_node *np, * to determine if the flags should have inverted semantics. */ if (IS_ENABLED(CONFIG_SPI_MASTER) && - of_property_read_bool(np, "cs-gpios")) { + of_property_read_bool(np, "cs-gpios") && + !strcmp(propname, "cs-gpios")) { struct device_node *child; u32 cs; int ret; @@ -142,16 +143,16 @@ static void of_gpio_flags_quirks(struct device_node *np, * conflict and the "spi-cs-high" flag will * take precedence. */ - if (of_property_read_bool(np, "spi-cs-high")) { + if (of_property_read_bool(child, "spi-cs-high")) { if (*flags & OF_GPIO_ACTIVE_LOW) { pr_warn("%s GPIO handle specifies active low - ignored\n", - of_node_full_name(np)); + of_node_full_name(child)); *flags &= ~OF_GPIO_ACTIVE_LOW; } } else { if (!(*flags & OF_GPIO_ACTIVE_LOW)) pr_info("%s enforce active low on chipselect handle\n", - of_node_full_name(np)); + of_node_full_name(child)); *flags |= OF_GPIO_ACTIVE_LOW; } break; @@ -717,7 +718,13 @@ int of_gpiochip_add(struct gpio_chip *chip) of_node_get(chip->of_node); - return of_gpiochip_scan_gpios(chip); + status = of_gpiochip_scan_gpios(chip); + if (status) { + of_node_put(chip->of_node); + gpiochip_remove_pin_ranges(chip); + } + + return status; } void of_gpiochip_remove(struct gpio_chip *chip) diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c index 144af0733581..0495bf1d480a 100644 --- a/drivers/gpio/gpiolib.c +++ b/drivers/gpio/gpiolib.c @@ -2776,7 +2776,7 @@ int gpiod_set_debounce(struct gpio_desc *desc, unsigned debounce) } config = pinconf_to_config_packed(PIN_CONFIG_INPUT_DEBOUNCE, debounce); - return gpio_set_config(chip, gpio_chip_hwgpio(desc), config); + return chip->set_config(chip, gpio_chip_hwgpio(desc), config); } EXPORT_SYMBOL_GPL(gpiod_set_debounce); @@ -2813,7 +2813,7 @@ int gpiod_set_transitory(struct gpio_desc *desc, bool transitory) packed = pinconf_to_config_packed(PIN_CONFIG_PERSIST_STATE, !transitory); gpio = gpio_chip_hwgpio(desc); - rc = gpio_set_config(chip, gpio, packed); + rc = chip->set_config(chip, gpio, packed); if (rc == -ENOTSUPP) { dev_dbg(&desc->gdev->dev, "Persistence not supported for GPIO %d\n", gpio); diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c index bfa9062ce6b9..16fcb56c232b 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c @@ -700,6 +700,8 @@ int amdgpu_vm_validate_pt_bos(struct amdgpu_device *adev, struct amdgpu_vm *vm, struct amdgpu_vm_bo_base *bo_base, *tmp; int r = 0; + vm->bulk_moveable &= list_empty(&vm->evicted); + list_for_each_entry_safe(bo_base, tmp, &vm->evicted, vm_status) { struct amdgpu_bo *bo = bo_base->bo; diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c index 600259b4e291..2fe8397241ea 100644 --- a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c @@ -742,7 +742,7 @@ static int gmc_v9_0_allocate_vm_inv_eng(struct amdgpu_device *adev) } ring->vm_inv_eng = inv_eng - 1; - change_bit(inv_eng - 1, (unsigned long *)(&vm_inv_engs[vmhub])); + vm_inv_engs[vmhub] &= ~(1 << ring->vm_inv_eng); dev_info(adev->dev, "ring %s uses VM inv eng %u on hub %u\n", ring->name, ring->vm_inv_eng, ring->funcs->vmhub); diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c index fb27783d7a54..81127f7d6ed1 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c @@ -5429,9 +5429,11 @@ static void get_freesync_config_for_crtc( struct amdgpu_dm_connector *aconnector = to_amdgpu_dm_connector(new_con_state->base.connector); struct drm_display_mode *mode = &new_crtc_state->base.mode; + int vrefresh = drm_mode_vrefresh(mode); new_crtc_state->vrr_supported = new_con_state->freesync_capable && - aconnector->min_vfreq <= drm_mode_vrefresh(mode); + vrefresh >= aconnector->min_vfreq && + vrefresh <= aconnector->max_vfreq; if (new_crtc_state->vrr_supported) { new_crtc_state->stream->ignore_msa_timing_param = true; diff --git a/drivers/gpu/drm/drm_drv.c b/drivers/gpu/drm/drm_drv.c index 381581b01d48..05bbc2b622fc 100644 --- a/drivers/gpu/drm/drm_drv.c +++ b/drivers/gpu/drm/drm_drv.c @@ -376,11 +376,7 @@ void drm_dev_unplug(struct drm_device *dev) synchronize_srcu(&drm_unplug_srcu); drm_dev_unregister(dev); - - mutex_lock(&drm_global_mutex); - if (dev->open_count == 0) - drm_dev_put(dev); - mutex_unlock(&drm_global_mutex); + drm_dev_put(dev); } EXPORT_SYMBOL(drm_dev_unplug); diff --git a/drivers/gpu/drm/drm_fb_helper.c b/drivers/gpu/drm/drm_fb_helper.c index 0e9349ff2d16..af2ab640cadb 100644 --- a/drivers/gpu/drm/drm_fb_helper.c +++ b/drivers/gpu/drm/drm_fb_helper.c @@ -1963,7 +1963,7 @@ static int drm_fb_helper_single_fb_probe(struct drm_fb_helper *fb_helper, best_depth = fmt->depth; } } - if (sizes.surface_depth != best_depth) { + if (sizes.surface_depth != best_depth && best_depth) { DRM_INFO("requested bpp %d, scaled depth down to %d", sizes.surface_bpp, best_depth); sizes.surface_depth = best_depth; diff --git a/drivers/gpu/drm/drm_file.c b/drivers/gpu/drm/drm_file.c index 83a5bbca6e7e..7caa3c7ed978 100644 --- a/drivers/gpu/drm/drm_file.c +++ b/drivers/gpu/drm/drm_file.c @@ -489,11 +489,9 @@ int drm_release(struct inode *inode, struct file *filp) drm_close_helper(filp); - if (!--dev->open_count) { + if (!--dev->open_count) drm_lastclose(dev); - if (drm_dev_is_unplugged(dev)) - drm_put_dev(dev); - } + mutex_unlock(&drm_global_mutex); drm_minor_release(minor); diff --git a/drivers/gpu/drm/exynos/exynos_mixer.c b/drivers/gpu/drm/exynos/exynos_mixer.c index 0573eab0e190..f35e4ab55b27 100644 --- a/drivers/gpu/drm/exynos/exynos_mixer.c +++ b/drivers/gpu/drm/exynos/exynos_mixer.c @@ -20,6 +20,7 @@ #include "regs-vp.h" #include <linux/kernel.h> +#include <linux/ktime.h> #include <linux/spinlock.h> #include <linux/wait.h> #include <linux/i2c.h> @@ -352,15 +353,62 @@ static void mixer_cfg_vp_blend(struct mixer_context *ctx, unsigned int alpha) mixer_reg_write(ctx, MXR_VIDEO_CFG, val); } -static void mixer_vsync_set_update(struct mixer_context *ctx, bool enable) +static bool mixer_is_synced(struct mixer_context *ctx) { - /* block update on vsync */ - mixer_reg_writemask(ctx, MXR_STATUS, enable ? - MXR_STATUS_SYNC_ENABLE : 0, MXR_STATUS_SYNC_ENABLE); + u32 base, shadow; + if (ctx->mxr_ver == MXR_VER_16_0_33_0 || + ctx->mxr_ver == MXR_VER_128_0_0_184) + return !(mixer_reg_read(ctx, MXR_CFG) & + MXR_CFG_LAYER_UPDATE_COUNT_MASK); + + if (test_bit(MXR_BIT_VP_ENABLED, &ctx->flags) && + vp_reg_read(ctx, VP_SHADOW_UPDATE)) + return false; + + base = mixer_reg_read(ctx, MXR_CFG); + shadow = mixer_reg_read(ctx, MXR_CFG_S); + if (base != shadow) + return false; + + base = mixer_reg_read(ctx, MXR_GRAPHIC_BASE(0)); + shadow = mixer_reg_read(ctx, MXR_GRAPHIC_BASE_S(0)); + if (base != shadow) + return false; + + base = mixer_reg_read(ctx, MXR_GRAPHIC_BASE(1)); + shadow = mixer_reg_read(ctx, MXR_GRAPHIC_BASE_S(1)); + if (base != shadow) + return false; + + return true; +} + +static int mixer_wait_for_sync(struct mixer_context *ctx) +{ + ktime_t timeout = ktime_add_us(ktime_get(), 100000); + + while (!mixer_is_synced(ctx)) { + usleep_range(1000, 2000); + if (ktime_compare(ktime_get(), timeout) > 0) + return -ETIMEDOUT; + } + return 0; +} + +static void mixer_disable_sync(struct mixer_context *ctx) +{ + mixer_reg_writemask(ctx, MXR_STATUS, 0, MXR_STATUS_SYNC_ENABLE); +} + +static void mixer_enable_sync(struct mixer_context *ctx) +{ + if (ctx->mxr_ver == MXR_VER_16_0_33_0 || + ctx->mxr_ver == MXR_VER_128_0_0_184) + mixer_reg_writemask(ctx, MXR_CFG, ~0, MXR_CFG_LAYER_UPDATE); + mixer_reg_writemask(ctx, MXR_STATUS, ~0, MXR_STATUS_SYNC_ENABLE); if (test_bit(MXR_BIT_VP_ENABLED, &ctx->flags)) - vp_reg_write(ctx, VP_SHADOW_UPDATE, enable ? - VP_SHADOW_UPDATE_ENABLE : 0); + vp_reg_write(ctx, VP_SHADOW_UPDATE, VP_SHADOW_UPDATE_ENABLE); } static void mixer_cfg_scan(struct mixer_context *ctx, int width, int height) @@ -498,7 +546,6 @@ static void vp_video_buffer(struct mixer_context *ctx, spin_lock_irqsave(&ctx->reg_slock, flags); - vp_reg_write(ctx, VP_SHADOW_UPDATE, 1); /* interlace or progressive scan mode */ val = (test_bit(MXR_BIT_INTERLACE, &ctx->flags) ? ~0 : 0); vp_reg_writemask(ctx, VP_MODE, val, VP_MODE_LINE_SKIP); @@ -553,11 +600,6 @@ static void vp_video_buffer(struct mixer_context *ctx, vp_regs_dump(ctx); } -static void mixer_layer_update(struct mixer_context *ctx) -{ - mixer_reg_writemask(ctx, MXR_CFG, ~0, MXR_CFG_LAYER_UPDATE); -} - static void mixer_graph_buffer(struct mixer_context *ctx, struct exynos_drm_plane *plane) { @@ -640,11 +682,6 @@ static void mixer_graph_buffer(struct mixer_context *ctx, mixer_cfg_layer(ctx, win, priority, true); mixer_cfg_gfx_blend(ctx, win, pixel_alpha, state->base.alpha); - /* layer update mandatory for mixer 16.0.33.0 */ - if (ctx->mxr_ver == MXR_VER_16_0_33_0 || - ctx->mxr_ver == MXR_VER_128_0_0_184) - mixer_layer_update(ctx); - spin_unlock_irqrestore(&ctx->reg_slock, flags); mixer_regs_dump(ctx); @@ -709,7 +746,7 @@ static void mixer_win_reset(struct mixer_context *ctx) static irqreturn_t mixer_irq_handler(int irq, void *arg) { struct mixer_context *ctx = arg; - u32 val, base, shadow; + u32 val; spin_lock(&ctx->reg_slock); @@ -723,26 +760,9 @@ static irqreturn_t mixer_irq_handler(int irq, void *arg) val &= ~MXR_INT_STATUS_VSYNC; /* interlace scan need to check shadow register */ - if (test_bit(MXR_BIT_INTERLACE, &ctx->flags)) { - if (test_bit(MXR_BIT_VP_ENABLED, &ctx->flags) && - vp_reg_read(ctx, VP_SHADOW_UPDATE)) - goto out; - - base = mixer_reg_read(ctx, MXR_CFG); - shadow = mixer_reg_read(ctx, MXR_CFG_S); - if (base != shadow) - goto out; - - base = mixer_reg_read(ctx, MXR_GRAPHIC_BASE(0)); - shadow = mixer_reg_read(ctx, MXR_GRAPHIC_BASE_S(0)); - if (base != shadow) - goto out; - - base = mixer_reg_read(ctx, MXR_GRAPHIC_BASE(1)); - shadow = mixer_reg_read(ctx, MXR_GRAPHIC_BASE_S(1)); - if (base != shadow) - goto out; - } + if (test_bit(MXR_BIT_INTERLACE, &ctx->flags) + && !mixer_is_synced(ctx)) + goto out; drm_crtc_handle_vblank(&ctx->crtc->base); } @@ -917,12 +937,14 @@ static void mixer_disable_vblank(struct exynos_drm_crtc *crtc) static void mixer_atomic_begin(struct exynos_drm_crtc *crtc) { - struct mixer_context *mixer_ctx = crtc->ctx; + struct mixer_context *ctx = crtc->ctx; - if (!test_bit(MXR_BIT_POWERED, &mixer_ctx->flags)) + if (!test_bit(MXR_BIT_POWERED, &ctx->flags)) return; - mixer_vsync_set_update(mixer_ctx, false); + if (mixer_wait_for_sync(ctx)) + dev_err(ctx->dev, "timeout waiting for VSYNC\n"); + mixer_disable_sync(ctx); } static void mixer_update_plane(struct exynos_drm_crtc *crtc, @@ -964,7 +986,7 @@ static void mixer_atomic_flush(struct exynos_drm_crtc *crtc) if (!test_bit(MXR_BIT_POWERED, &mixer_ctx->flags)) return; - mixer_vsync_set_update(mixer_ctx, true); + mixer_enable_sync(mixer_ctx); exynos_crtc_handle_event(crtc); } @@ -979,7 +1001,7 @@ static void mixer_enable(struct exynos_drm_crtc *crtc) exynos_drm_pipe_clk_enable(crtc, true); - mixer_vsync_set_update(ctx, false); + mixer_disable_sync(ctx); mixer_reg_writemask(ctx, MXR_STATUS, ~0, MXR_STATUS_SOFT_RESET); @@ -992,7 +1014,7 @@ static void mixer_enable(struct exynos_drm_crtc *crtc) mixer_commit(ctx); - mixer_vsync_set_update(ctx, true); + mixer_enable_sync(ctx); set_bit(MXR_BIT_POWERED, &ctx->flags); } diff --git a/drivers/gpu/drm/i915/gvt/cmd_parser.c b/drivers/gpu/drm/i915/gvt/cmd_parser.c index 35b4ec3f7618..3592d04c33b2 100644 --- a/drivers/gpu/drm/i915/gvt/cmd_parser.c +++ b/drivers/gpu/drm/i915/gvt/cmd_parser.c @@ -1441,7 +1441,7 @@ static inline int cmd_address_audit(struct parser_exec_state *s, } if (index_mode) { - if (guest_gma >= I915_GTT_PAGE_SIZE / sizeof(u64)) { + if (guest_gma >= I915_GTT_PAGE_SIZE) { ret = -EFAULT; goto err; } diff --git a/drivers/gpu/drm/i915/gvt/gtt.c b/drivers/gpu/drm/i915/gvt/gtt.c index c7103dd2d8d5..d7052ab7908c 100644 --- a/drivers/gpu/drm/i915/gvt/gtt.c +++ b/drivers/gpu/drm/i915/gvt/gtt.c @@ -1882,7 +1882,11 @@ struct intel_vgpu_mm *intel_vgpu_create_ppgtt_mm(struct intel_vgpu *vgpu, } list_add_tail(&mm->ppgtt_mm.list, &vgpu->gtt.ppgtt_mm_list_head); + + mutex_lock(&gvt->gtt.ppgtt_mm_lock); list_add_tail(&mm->ppgtt_mm.lru_list, &gvt->gtt.ppgtt_mm_lru_list_head); + mutex_unlock(&gvt->gtt.ppgtt_mm_lock); + return mm; } @@ -1967,9 +1971,10 @@ int intel_vgpu_pin_mm(struct intel_vgpu_mm *mm) if (ret) return ret; + mutex_lock(&mm->vgpu->gvt->gtt.ppgtt_mm_lock); list_move_tail(&mm->ppgtt_mm.lru_list, &mm->vgpu->gvt->gtt.ppgtt_mm_lru_list_head); - + mutex_unlock(&mm->vgpu->gvt->gtt.ppgtt_mm_lock); } return 0; @@ -1980,6 +1985,8 @@ static int reclaim_one_ppgtt_mm(struct intel_gvt *gvt) struct intel_vgpu_mm *mm; struct list_head *pos, *n; + mutex_lock(&gvt->gtt.ppgtt_mm_lock); + list_for_each_safe(pos, n, &gvt->gtt.ppgtt_mm_lru_list_head) { mm = container_of(pos, struct intel_vgpu_mm, ppgtt_mm.lru_list); @@ -1987,9 +1994,11 @@ static int reclaim_one_ppgtt_mm(struct intel_gvt *gvt) continue; list_del_init(&mm->ppgtt_mm.lru_list); + mutex_unlock(&gvt->gtt.ppgtt_mm_lock); invalidate_ppgtt_mm(mm); return 1; } + mutex_unlock(&gvt->gtt.ppgtt_mm_lock); return 0; } @@ -2659,6 +2668,7 @@ int intel_gvt_init_gtt(struct intel_gvt *gvt) } } INIT_LIST_HEAD(&gvt->gtt.ppgtt_mm_lru_list_head); + mutex_init(&gvt->gtt.ppgtt_mm_lock); return 0; } @@ -2699,7 +2709,9 @@ void intel_vgpu_invalidate_ppgtt(struct intel_vgpu *vgpu) list_for_each_safe(pos, n, &vgpu->gtt.ppgtt_mm_list_head) { mm = container_of(pos, struct intel_vgpu_mm, ppgtt_mm.list); if (mm->type == INTEL_GVT_MM_PPGTT) { + mutex_lock(&vgpu->gvt->gtt.ppgtt_mm_lock); list_del_init(&mm->ppgtt_mm.lru_list); + mutex_unlock(&vgpu->gvt->gtt.ppgtt_mm_lock); if (mm->ppgtt_mm.shadowed) invalidate_ppgtt_mm(mm); } diff --git a/drivers/gpu/drm/i915/gvt/gtt.h b/drivers/gpu/drm/i915/gvt/gtt.h index d8cb04cc946d..edb610dc5d86 100644 --- a/drivers/gpu/drm/i915/gvt/gtt.h +++ b/drivers/gpu/drm/i915/gvt/gtt.h @@ -88,6 +88,7 @@ struct intel_gvt_gtt { void (*mm_free_page_table)(struct intel_vgpu_mm *mm); struct list_head oos_page_use_list_head; struct list_head oos_page_free_list_head; + struct mutex ppgtt_mm_lock; struct list_head ppgtt_mm_lru_list_head; struct page *scratch_page; diff --git a/drivers/gpu/drm/i915/gvt/mmio_context.c b/drivers/gpu/drm/i915/gvt/mmio_context.c index 7d84cfb9051a..7902fb162d09 100644 --- a/drivers/gpu/drm/i915/gvt/mmio_context.c +++ b/drivers/gpu/drm/i915/gvt/mmio_context.c @@ -132,6 +132,7 @@ static struct engine_mmio gen9_engine_mmio_list[] __cacheline_aligned = { {RCS, GEN9_GAMT_ECO_REG_RW_IA, 0x0, false}, /* 0x4ab0 */ {RCS, GEN9_CSFE_CHICKEN1_RCS, 0xffff, false}, /* 0x20d4 */ + {RCS, _MMIO(0x20D8), 0xffff, true}, /* 0x20d8 */ {RCS, GEN8_GARBCNTL, 0x0, false}, /* 0xb004 */ {RCS, GEN7_FF_THREAD_MODE, 0x0, false}, /* 0x20a0 */ diff --git a/drivers/gpu/drm/i915/gvt/scheduler.c b/drivers/gpu/drm/i915/gvt/scheduler.c index 1bb8f936fdaa..159192c097cc 100644 --- a/drivers/gpu/drm/i915/gvt/scheduler.c +++ b/drivers/gpu/drm/i915/gvt/scheduler.c @@ -346,7 +346,7 @@ static int set_context_ppgtt_from_shadow(struct intel_vgpu_workload *workload, int i = 0; if (mm->type != INTEL_GVT_MM_PPGTT || !mm->ppgtt_mm.shadowed) - return -1; + return -EINVAL; if (mm->ppgtt_mm.root_entry_type == GTT_TYPE_PPGTT_ROOT_L4_ENTRY) { px_dma(&ppgtt->pml4) = mm->ppgtt_mm.shadow_pdps[0]; @@ -410,12 +410,6 @@ int intel_gvt_scan_and_shadow_workload(struct intel_vgpu_workload *workload) if (workload->shadow) return 0; - ret = set_context_ppgtt_from_shadow(workload, shadow_ctx); - if (ret < 0) { - gvt_vgpu_err("workload shadow ppgtt isn't ready\n"); - return ret; - } - /* pin shadow context by gvt even the shadow context will be pinned * when i915 alloc request. That is because gvt will update the guest * context from shadow context when workload is completed, and at that @@ -678,6 +672,9 @@ static int dispatch_workload(struct intel_vgpu_workload *workload) { struct intel_vgpu *vgpu = workload->vgpu; struct drm_i915_private *dev_priv = vgpu->gvt->dev_priv; + struct intel_vgpu_submission *s = &vgpu->submission; + struct i915_gem_context *shadow_ctx = s->shadow_ctx; + struct i915_request *rq; int ring_id = workload->ring_id; int ret; @@ -687,6 +684,12 @@ static int dispatch_workload(struct intel_vgpu_workload *workload) mutex_lock(&vgpu->vgpu_lock); mutex_lock(&dev_priv->drm.struct_mutex); + ret = set_context_ppgtt_from_shadow(workload, shadow_ctx); + if (ret < 0) { + gvt_vgpu_err("workload shadow ppgtt isn't ready\n"); + goto err_req; + } + ret = intel_gvt_workload_req_alloc(workload); if (ret) goto err_req; @@ -703,6 +706,14 @@ static int dispatch_workload(struct intel_vgpu_workload *workload) ret = prepare_workload(workload); out: + if (ret) { + /* We might still need to add request with + * clean ctx to retire it properly.. + */ + rq = fetch_and_zero(&workload->req); + i915_request_put(rq); + } + if (!IS_ERR_OR_NULL(workload->req)) { gvt_dbg_sched("ring id %d submit workload to i915 %p\n", ring_id, workload->req); @@ -739,7 +750,8 @@ static struct intel_vgpu_workload *pick_next_workload( goto out; } - if (list_empty(workload_q_head(scheduler->current_vgpu, ring_id))) + if (!scheduler->current_vgpu->active || + list_empty(workload_q_head(scheduler->current_vgpu, ring_id))) goto out; /* diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index 9adc7bb9e69c..a67a63b5aa84 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -2346,7 +2346,8 @@ static inline unsigned int i915_sg_segment_size(void) INTEL_DEVID(dev_priv) == 0x5915 || \ INTEL_DEVID(dev_priv) == 0x591E) #define IS_AML_ULX(dev_priv) (INTEL_DEVID(dev_priv) == 0x591C || \ - INTEL_DEVID(dev_priv) == 0x87C0) + INTEL_DEVID(dev_priv) == 0x87C0 || \ + INTEL_DEVID(dev_priv) == 0x87CA) #define IS_SKL_GT2(dev_priv) (IS_SKYLAKE(dev_priv) && \ INTEL_INFO(dev_priv)->gt == 2) #define IS_SKL_GT3(dev_priv) (IS_SKYLAKE(dev_priv) && \ diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c index 30d516e975c6..8558e81fdc2a 100644 --- a/drivers/gpu/drm/i915/i915_gem.c +++ b/drivers/gpu/drm/i915/i915_gem.c @@ -1734,8 +1734,13 @@ i915_gem_mmap_ioctl(struct drm_device *dev, void *data, * pages from. */ if (!obj->base.filp) { - i915_gem_object_put(obj); - return -ENXIO; + addr = -ENXIO; + goto err; + } + + if (range_overflows(args->offset, args->size, (u64)obj->base.size)) { + addr = -EINVAL; + goto err; } addr = vm_mmap(obj->base.filp, 0, args->size, @@ -1749,8 +1754,8 @@ i915_gem_mmap_ioctl(struct drm_device *dev, void *data, struct vm_area_struct *vma; if (down_write_killable(&mm->mmap_sem)) { - i915_gem_object_put(obj); - return -EINTR; + addr = -EINTR; + goto err; } vma = find_vma(mm, addr); if (vma && __vma_matches(vma, obj->base.filp, addr, args->size)) @@ -1768,12 +1773,10 @@ i915_gem_mmap_ioctl(struct drm_device *dev, void *data, i915_gem_object_put(obj); args->addr_ptr = (u64)addr; - return 0; err: i915_gem_object_put(obj); - return addr; } diff --git a/drivers/gpu/drm/i915/i915_gpu_error.c b/drivers/gpu/drm/i915/i915_gpu_error.c index 9a65341fec09..aa6791255252 100644 --- a/drivers/gpu/drm/i915/i915_gpu_error.c +++ b/drivers/gpu/drm/i915/i915_gpu_error.c @@ -1721,7 +1721,7 @@ error_msg(struct i915_gpu_state *error, unsigned long engines, const char *msg) i915_error_generate_code(error, engines)); if (engines) { /* Just show the first executing process, more is confusing */ - i = ffs(engines); + i = __ffs(engines); len += scnprintf(error->error_msg + len, sizeof(error->error_msg) - len, ", in %s [%d]", diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h index 638a586469f9..047855dd8c6b 100644 --- a/drivers/gpu/drm/i915/i915_reg.h +++ b/drivers/gpu/drm/i915/i915_reg.h @@ -2863,7 +2863,7 @@ enum i915_power_well_id { #define GEN11_GT_VEBOX_VDBOX_DISABLE _MMIO(0x9140) #define GEN11_GT_VDBOX_DISABLE_MASK 0xff #define GEN11_GT_VEBOX_DISABLE_SHIFT 16 -#define GEN11_GT_VEBOX_DISABLE_MASK (0xff << GEN11_GT_VEBOX_DISABLE_SHIFT) +#define GEN11_GT_VEBOX_DISABLE_MASK (0x0f << GEN11_GT_VEBOX_DISABLE_SHIFT) #define GEN11_EU_DISABLE _MMIO(0x9134) #define GEN11_EU_DIS_MASK 0xFF @@ -9243,7 +9243,7 @@ enum skl_power_gate { #define TRANS_DDI_FUNC_CTL2(tran) _MMIO_TRANS2(tran, \ _TRANS_DDI_FUNC_CTL2_A) #define PORT_SYNC_MODE_ENABLE (1 << 4) -#define PORT_SYNC_MODE_MASTER_SELECT(x) ((x) < 0) +#define PORT_SYNC_MODE_MASTER_SELECT(x) ((x) << 0) #define PORT_SYNC_MODE_MASTER_SELECT_MASK (0x7 << 0) #define PORT_SYNC_MODE_MASTER_SELECT_SHIFT 0 diff --git a/drivers/gpu/drm/i915/intel_bios.c b/drivers/gpu/drm/i915/intel_bios.c index b508d8a735e0..4364f42cac6b 100644 --- a/drivers/gpu/drm/i915/intel_bios.c +++ b/drivers/gpu/drm/i915/intel_bios.c @@ -1673,6 +1673,7 @@ init_vbt_missing_defaults(struct drm_i915_private *dev_priv) info->supports_dvi = (port != PORT_A && port != PORT_E); info->supports_hdmi = info->supports_dvi; info->supports_dp = (port != PORT_E); + info->supports_edp = (port == PORT_A); } } diff --git a/drivers/gpu/drm/i915/selftests/i915_gem_evict.c b/drivers/gpu/drm/i915/selftests/i915_gem_evict.c index 32dce7176f63..b9b0ea4e2404 100644 --- a/drivers/gpu/drm/i915/selftests/i915_gem_evict.c +++ b/drivers/gpu/drm/i915/selftests/i915_gem_evict.c @@ -455,7 +455,7 @@ static int igt_evict_contexts(void *arg) struct i915_gem_context *ctx; ctx = live_context(i915, file); - if (!ctx) + if (IS_ERR(ctx)) break; /* We will need some GGTT space for the rq's context */ diff --git a/drivers/gpu/drm/meson/meson_drv.c b/drivers/gpu/drm/meson/meson_drv.c index 2281ed3eb774..8a4ebcb6405c 100644 --- a/drivers/gpu/drm/meson/meson_drv.c +++ b/drivers/gpu/drm/meson/meson_drv.c @@ -337,12 +337,14 @@ static int meson_drv_bind_master(struct device *dev, bool has_components) ret = drm_dev_register(drm, 0); if (ret) - goto free_drm; + goto uninstall_irq; drm_fbdev_generic_setup(drm, 32); return 0; +uninstall_irq: + drm_irq_uninstall(drm); free_drm: drm_dev_put(drm); @@ -356,8 +358,8 @@ static int meson_drv_bind(struct device *dev) static void meson_drv_unbind(struct device *dev) { - struct drm_device *drm = dev_get_drvdata(dev); - struct meson_drm *priv = drm->dev_private; + struct meson_drm *priv = dev_get_drvdata(dev); + struct drm_device *drm = priv->drm; if (priv->canvas) { meson_canvas_free(priv->canvas, priv->canvas_id_osd1); @@ -367,6 +369,7 @@ static void meson_drv_unbind(struct device *dev) } drm_dev_unregister(drm); + drm_irq_uninstall(drm); drm_kms_helper_poll_fini(drm); drm_mode_config_cleanup(drm); drm_dev_put(drm); diff --git a/drivers/gpu/drm/meson/meson_dw_hdmi.c b/drivers/gpu/drm/meson/meson_dw_hdmi.c index e28814f4ea6c..563953ec6ad0 100644 --- a/drivers/gpu/drm/meson/meson_dw_hdmi.c +++ b/drivers/gpu/drm/meson/meson_dw_hdmi.c @@ -569,7 +569,8 @@ dw_hdmi_mode_valid(struct drm_connector *connector, DRM_DEBUG_DRIVER("Modeline " DRM_MODE_FMT "\n", DRM_MODE_ARG(mode)); /* If sink max TMDS clock, we reject the mode */ - if (mode->clock > connector->display_info.max_tmds_clock) + if (connector->display_info.max_tmds_clock && + mode->clock > connector->display_info.max_tmds_clock) return MODE_BAD; /* Check against non-VIC supported modes */ diff --git a/drivers/gpu/drm/nouveau/nouveau_debugfs.c b/drivers/gpu/drm/nouveau/nouveau_debugfs.c index 88a52f6b39fe..7dfbbbc1beea 100644 --- a/drivers/gpu/drm/nouveau/nouveau_debugfs.c +++ b/drivers/gpu/drm/nouveau/nouveau_debugfs.c @@ -181,7 +181,7 @@ nouveau_debugfs_pstate_set(struct file *file, const char __user *ubuf, } ret = pm_runtime_get_sync(drm->dev); - if (IS_ERR_VALUE(ret) && ret != -EACCES) + if (ret < 0 && ret != -EACCES) return ret; ret = nvif_mthd(ctrl, NVIF_CONTROL_PSTATE_USER, &args, sizeof(args)); pm_runtime_put_autosuspend(drm->dev); diff --git a/drivers/gpu/drm/nouveau/nouveau_dmem.c b/drivers/gpu/drm/nouveau/nouveau_dmem.c index aa9fec80492d..40c47d6a7d78 100644 --- a/drivers/gpu/drm/nouveau/nouveau_dmem.c +++ b/drivers/gpu/drm/nouveau/nouveau_dmem.c @@ -100,12 +100,10 @@ static void nouveau_dmem_free(struct hmm_devmem *devmem, struct page *page) { struct nouveau_dmem_chunk *chunk; - struct nouveau_drm *drm; unsigned long idx; chunk = (void *)hmm_devmem_page_get_drvdata(page); idx = page_to_pfn(page) - chunk->pfn_first; - drm = chunk->drm; /* * FIXME: @@ -456,11 +454,6 @@ nouveau_dmem_resume(struct nouveau_drm *drm) /* FIXME handle pin failure */ WARN_ON(ret); } - list_for_each_entry (chunk, &drm->dmem->chunk_empty, list) { - ret = nouveau_bo_pin(chunk->bo, TTM_PL_FLAG_VRAM, false); - /* FIXME handle pin failure */ - WARN_ON(ret); - } mutex_unlock(&drm->dmem->mutex); } @@ -479,9 +472,6 @@ nouveau_dmem_suspend(struct nouveau_drm *drm) list_for_each_entry (chunk, &drm->dmem->chunk_full, list) { nouveau_bo_unpin(chunk->bo); } - list_for_each_entry (chunk, &drm->dmem->chunk_empty, list) { - nouveau_bo_unpin(chunk->bo); - } mutex_unlock(&drm->dmem->mutex); } @@ -623,7 +613,7 @@ nouveau_dmem_init(struct nouveau_drm *drm) */ drm->dmem->devmem = hmm_devmem_add(&nouveau_dmem_devmem_ops, device, size); - if (drm->dmem->devmem == NULL) { + if (IS_ERR(drm->dmem->devmem)) { kfree(drm->dmem); drm->dmem = NULL; return; diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c index c7d4c6073ea5..0d4ade9d4722 100644 --- a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c +++ b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c @@ -541,6 +541,18 @@ static void vop_core_clks_disable(struct vop *vop) clk_disable(vop->hclk); } +static void vop_win_disable(struct vop *vop, const struct vop_win_data *win) +{ + if (win->phy->scl && win->phy->scl->ext) { + VOP_SCL_SET_EXT(vop, win, yrgb_hor_scl_mode, SCALE_NONE); + VOP_SCL_SET_EXT(vop, win, yrgb_ver_scl_mode, SCALE_NONE); + VOP_SCL_SET_EXT(vop, win, cbcr_hor_scl_mode, SCALE_NONE); + VOP_SCL_SET_EXT(vop, win, cbcr_ver_scl_mode, SCALE_NONE); + } + + VOP_WIN_SET(vop, win, enable, 0); +} + static int vop_enable(struct drm_crtc *crtc) { struct vop *vop = to_vop(crtc); @@ -586,7 +598,7 @@ static int vop_enable(struct drm_crtc *crtc) struct vop_win *vop_win = &vop->win[i]; const struct vop_win_data *win = vop_win->data; - VOP_WIN_SET(vop, win, enable, 0); + vop_win_disable(vop, win); } spin_unlock(&vop->reg_lock); @@ -735,7 +747,7 @@ static void vop_plane_atomic_disable(struct drm_plane *plane, spin_lock(&vop->reg_lock); - VOP_WIN_SET(vop, win, enable, 0); + vop_win_disable(vop, win); spin_unlock(&vop->reg_lock); } @@ -1622,7 +1634,7 @@ static int vop_initial(struct vop *vop) int channel = i * 2 + 1; VOP_WIN_SET(vop, win, channel, (channel + 1) << 4 | channel); - VOP_WIN_SET(vop, win, enable, 0); + vop_win_disable(vop, win); VOP_WIN_SET(vop, win, gate, 1); } diff --git a/drivers/gpu/drm/tegra/hub.c b/drivers/gpu/drm/tegra/hub.c index ba9b3cfb8c3d..b3436c2aed68 100644 --- a/drivers/gpu/drm/tegra/hub.c +++ b/drivers/gpu/drm/tegra/hub.c @@ -378,14 +378,16 @@ static int tegra_shared_plane_atomic_check(struct drm_plane *plane, static void tegra_shared_plane_atomic_disable(struct drm_plane *plane, struct drm_plane_state *old_state) { - struct tegra_dc *dc = to_tegra_dc(old_state->crtc); struct tegra_plane *p = to_tegra_plane(plane); + struct tegra_dc *dc; u32 value; /* rien ne va plus */ if (!old_state || !old_state->crtc) return; + dc = to_tegra_dc(old_state->crtc); + /* * XXX Legacy helpers seem to sometimes call ->atomic_disable() even * on planes that are already disabled. Make sure we fallback to the diff --git a/drivers/gpu/drm/tegra/vic.c b/drivers/gpu/drm/tegra/vic.c index 39bfed9623de..982ce37ecde1 100644 --- a/drivers/gpu/drm/tegra/vic.c +++ b/drivers/gpu/drm/tegra/vic.c @@ -106,6 +106,7 @@ static int vic_boot(struct vic *vic) if (vic->booted) return 0; +#ifdef CONFIG_IOMMU_API if (vic->config->supports_sid) { struct iommu_fwspec *spec = dev_iommu_fwspec_get(vic->dev); u32 value; @@ -121,6 +122,7 @@ static int vic_boot(struct vic *vic) vic_writel(vic, value, VIC_THI_STREAMID1); } } +#endif /* setup clockgating registers */ vic_writel(vic, CG_IDLE_CG_DLY_CNT(4) | diff --git a/drivers/gpu/drm/udl/udl_connector.c b/drivers/gpu/drm/udl/udl_connector.c index 66885c24590f..c1bd5e3d9e4a 100644 --- a/drivers/gpu/drm/udl/udl_connector.c +++ b/drivers/gpu/drm/udl/udl_connector.c @@ -18,18 +18,19 @@ #include "udl_connector.h" #include "udl_drv.h" -static bool udl_get_edid_block(struct udl_device *udl, int block_idx, - u8 *buff) +static int udl_get_edid_block(void *data, u8 *buf, unsigned int block, + size_t len) { int ret, i; u8 *read_buff; + struct udl_device *udl = data; read_buff = kmalloc(2, GFP_KERNEL); if (!read_buff) - return false; + return -1; - for (i = 0; i < EDID_LENGTH; i++) { - int bval = (i + block_idx * EDID_LENGTH) << 8; + for (i = 0; i < len; i++) { + int bval = (i + block * EDID_LENGTH) << 8; ret = usb_control_msg(udl->udev, usb_rcvctrlpipe(udl->udev, 0), (0x02), (0x80 | (0x02 << 5)), bval, @@ -37,60 +38,13 @@ static bool udl_get_edid_block(struct udl_device *udl, int block_idx, if (ret < 1) { DRM_ERROR("Read EDID byte %d failed err %x\n", i, ret); kfree(read_buff); - return false; + return -1; } - buff[i] = read_buff[1]; + buf[i] = read_buff[1]; } kfree(read_buff); - return true; -} - -static bool udl_get_edid(struct udl_device *udl, u8 **result_buff, - int *result_buff_size) -{ - int i, extensions; - u8 *block_buff = NULL, *buff_ptr; - - block_buff = kmalloc(EDID_LENGTH, GFP_KERNEL); - if (block_buff == NULL) - return false; - - if (udl_get_edid_block(udl, 0, block_buff) && - memchr_inv(block_buff, 0, EDID_LENGTH)) { - extensions = ((struct edid *)block_buff)->extensions; - if (extensions > 0) { - /* we have to read all extensions one by one */ - *result_buff_size = EDID_LENGTH * (extensions + 1); - *result_buff = kmalloc(*result_buff_size, GFP_KERNEL); - buff_ptr = *result_buff; - if (buff_ptr == NULL) { - kfree(block_buff); - return false; - } - memcpy(buff_ptr, block_buff, EDID_LENGTH); - kfree(block_buff); - buff_ptr += EDID_LENGTH; - for (i = 1; i < extensions; ++i) { - if (udl_get_edid_block(udl, i, buff_ptr)) { - buff_ptr += EDID_LENGTH; - } else { - kfree(*result_buff); - *result_buff = NULL; - return false; - } - } - return true; - } - /* we have only base edid block */ - *result_buff = block_buff; - *result_buff_size = EDID_LENGTH; - return true; - } - - kfree(block_buff); - - return false; + return 0; } static int udl_get_modes(struct drm_connector *connector) @@ -122,8 +76,6 @@ static enum drm_mode_status udl_mode_valid(struct drm_connector *connector, static enum drm_connector_status udl_detect(struct drm_connector *connector, bool force) { - u8 *edid_buff = NULL; - int edid_buff_size = 0; struct udl_device *udl = connector->dev->dev_private; struct udl_drm_connector *udl_connector = container_of(connector, @@ -136,12 +88,10 @@ udl_detect(struct drm_connector *connector, bool force) udl_connector->edid = NULL; } - - if (!udl_get_edid(udl, &edid_buff, &edid_buff_size)) + udl_connector->edid = drm_do_get_edid(connector, udl_get_edid_block, udl); + if (!udl_connector->edid) return connector_status_disconnected; - udl_connector->edid = (struct edid *)edid_buff; - return connector_status_connected; } diff --git a/drivers/gpu/drm/udl/udl_gem.c b/drivers/gpu/drm/udl/udl_gem.c index d5a23295dd80..bb7b58407039 100644 --- a/drivers/gpu/drm/udl/udl_gem.c +++ b/drivers/gpu/drm/udl/udl_gem.c @@ -224,7 +224,7 @@ int udl_gem_mmap(struct drm_file *file, struct drm_device *dev, *offset = drm_vma_node_offset_addr(&gobj->base.vma_node); out: - drm_gem_object_put(&gobj->base); + drm_gem_object_put_unlocked(&gobj->base); unlock: mutex_unlock(&udl->gem_lock); return ret; diff --git a/drivers/gpu/drm/vgem/vgem_drv.c b/drivers/gpu/drm/vgem/vgem_drv.c index 5930facd6d2d..11a8f99ba18c 100644 --- a/drivers/gpu/drm/vgem/vgem_drv.c +++ b/drivers/gpu/drm/vgem/vgem_drv.c @@ -191,13 +191,9 @@ static struct drm_gem_object *vgem_gem_create(struct drm_device *dev, ret = drm_gem_handle_create(file, &obj->base, handle); drm_gem_object_put_unlocked(&obj->base); if (ret) - goto err; + return ERR_PTR(ret); return &obj->base; - -err: - __vgem_gem_destroy(obj); - return ERR_PTR(ret); } static int vgem_gem_dumb_create(struct drm_file *file, struct drm_device *dev, diff --git a/drivers/gpu/drm/vkms/vkms_gem.c b/drivers/gpu/drm/vkms/vkms_gem.c index 138b0bb325cf..69048e73377d 100644 --- a/drivers/gpu/drm/vkms/vkms_gem.c +++ b/drivers/gpu/drm/vkms/vkms_gem.c @@ -111,11 +111,8 @@ struct drm_gem_object *vkms_gem_create(struct drm_device *dev, ret = drm_gem_handle_create(file, &obj->gem, handle); drm_gem_object_put_unlocked(&obj->gem); - if (ret) { - drm_gem_object_release(&obj->gem); - kfree(obj); + if (ret) return ERR_PTR(ret); - } return &obj->gem; } diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_fb.c b/drivers/gpu/drm/vmwgfx/vmwgfx_fb.c index b913a56f3426..2a9112515f46 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_fb.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_fb.c @@ -564,11 +564,9 @@ static int vmw_fb_set_par(struct fb_info *info) 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }; - struct drm_display_mode *old_mode; struct drm_display_mode *mode; int ret; - old_mode = par->set_mode; mode = drm_mode_duplicate(vmw_priv->dev, &new_mode); if (!mode) { DRM_ERROR("Could not create new fb mode.\n"); @@ -579,11 +577,7 @@ static int vmw_fb_set_par(struct fb_info *info) mode->vdisplay = var->yres; vmw_guess_mode_timing(mode); - if (old_mode && drm_mode_equal(old_mode, mode)) { - drm_mode_destroy(vmw_priv->dev, mode); - mode = old_mode; - old_mode = NULL; - } else if (!vmw_kms_validate_mode_vram(vmw_priv, + if (!vmw_kms_validate_mode_vram(vmw_priv, mode->hdisplay * DIV_ROUND_UP(var->bits_per_pixel, 8), mode->vdisplay)) { @@ -620,8 +614,8 @@ static int vmw_fb_set_par(struct fb_info *info) schedule_delayed_work(&par->local_work, 0); out_unlock: - if (old_mode) - drm_mode_destroy(vmw_priv->dev, old_mode); + if (par->set_mode) + drm_mode_destroy(vmw_priv->dev, par->set_mode); par->set_mode = mode; mutex_unlock(&par->bo_mutex); diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_gmrid_manager.c b/drivers/gpu/drm/vmwgfx/vmwgfx_gmrid_manager.c index b93c558dd86e..7da752ca1c34 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_gmrid_manager.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_gmrid_manager.c @@ -57,7 +57,7 @@ static int vmw_gmrid_man_get_node(struct ttm_mem_type_manager *man, id = ida_alloc_max(&gman->gmr_ida, gman->max_gmr_ids - 1, GFP_KERNEL); if (id < 0) - return id; + return (id != -ENOMEM ? 0 : id); spin_lock(&gman->lock); diff --git a/drivers/i2c/busses/Kconfig b/drivers/i2c/busses/Kconfig index 690f0d3a5543..977161bb7062 100644 --- a/drivers/i2c/busses/Kconfig +++ b/drivers/i2c/busses/Kconfig @@ -141,6 +141,7 @@ config I2C_I801 Cannon Lake (PCH) Cedar Fork (PCH) Ice Lake (PCH) + Comet Lake (PCH) This driver can also be built as a module. If so, the module will be called i2c-i801. diff --git a/drivers/i2c/busses/i2c-i801.c b/drivers/i2c/busses/i2c-i801.c index c91e145ef5a5..679c6c41f64b 100644 --- a/drivers/i2c/busses/i2c-i801.c +++ b/drivers/i2c/busses/i2c-i801.c @@ -71,6 +71,7 @@ * Cannon Lake-LP (PCH) 0x9da3 32 hard yes yes yes * Cedar Fork (PCH) 0x18df 32 hard yes yes yes * Ice Lake-LP (PCH) 0x34a3 32 hard yes yes yes + * Comet Lake (PCH) 0x02a3 32 hard yes yes yes * * Features supported by this driver: * Software PEC no @@ -240,6 +241,7 @@ #define PCI_DEVICE_ID_INTEL_LEWISBURG_SSKU_SMBUS 0xa223 #define PCI_DEVICE_ID_INTEL_KABYLAKE_PCH_H_SMBUS 0xa2a3 #define PCI_DEVICE_ID_INTEL_CANNONLAKE_H_SMBUS 0xa323 +#define PCI_DEVICE_ID_INTEL_COMETLAKE_SMBUS 0x02a3 struct i801_mux_config { char *gpio_chip; @@ -1038,6 +1040,7 @@ static const struct pci_device_id i801_ids[] = { { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_CANNONLAKE_H_SMBUS) }, { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_CANNONLAKE_LP_SMBUS) }, { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ICELAKE_LP_SMBUS) }, + { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_COMETLAKE_SMBUS) }, { 0, } }; @@ -1534,6 +1537,7 @@ static int i801_probe(struct pci_dev *dev, const struct pci_device_id *id) case PCI_DEVICE_ID_INTEL_DNV_SMBUS: case PCI_DEVICE_ID_INTEL_KABYLAKE_PCH_H_SMBUS: case PCI_DEVICE_ID_INTEL_ICELAKE_LP_SMBUS: + case PCI_DEVICE_ID_INTEL_COMETLAKE_SMBUS: priv->features |= FEATURE_I2C_BLOCK_READ; priv->features |= FEATURE_IRQ; priv->features |= FEATURE_SMBUS_PEC; diff --git a/drivers/i2c/muxes/i2c-demux-pinctrl.c b/drivers/i2c/muxes/i2c-demux-pinctrl.c index d50454c565ee..4eecffc26527 100644 --- a/drivers/i2c/muxes/i2c-demux-pinctrl.c +++ b/drivers/i2c/muxes/i2c-demux-pinctrl.c @@ -221,8 +221,8 @@ static int i2c_demux_pinctrl_probe(struct platform_device *pdev) return -EINVAL; } - priv = devm_kzalloc(&pdev->dev, sizeof(*priv) - + num_chan * sizeof(struct i2c_demux_pinctrl_chan), GFP_KERNEL); + priv = devm_kzalloc(&pdev->dev, struct_size(priv, chan, num_chan), + GFP_KERNEL); props = devm_kcalloc(&pdev->dev, num_chan, sizeof(*props), GFP_KERNEL); diff --git a/drivers/i2c/muxes/i2c-mux-pca9541.c b/drivers/i2c/muxes/i2c-mux-pca9541.c index 9e75d6b9140b..50e1fb4aedf5 100644 --- a/drivers/i2c/muxes/i2c-mux-pca9541.c +++ b/drivers/i2c/muxes/i2c-mux-pca9541.c @@ -22,7 +22,6 @@ #include <linux/i2c-mux.h> #include <linux/jiffies.h> #include <linux/module.h> -#include <linux/platform_data/pca954x.h> #include <linux/slab.h> /* @@ -287,10 +286,8 @@ static int pca9541_probe(struct i2c_client *client, const struct i2c_device_id *id) { struct i2c_adapter *adap = client->adapter; - struct pca954x_platform_data *pdata = dev_get_platdata(&client->dev); struct i2c_mux_core *muxc; struct pca9541 *data; - int force; int ret; if (!i2c_check_functionality(adap, I2C_FUNC_SMBUS_BYTE_DATA)) @@ -306,9 +303,6 @@ static int pca9541_probe(struct i2c_client *client, /* Create mux adapter */ - force = 0; - if (pdata) - force = pdata->modes[0].adap_id; muxc = i2c_mux_alloc(adap, &client->dev, 1, sizeof(*data), I2C_MUX_ARBITRATOR, pca9541_select_chan, pca9541_release_chan); @@ -320,7 +314,7 @@ static int pca9541_probe(struct i2c_client *client, i2c_set_clientdata(client, muxc); - ret = i2c_mux_add_adapter(muxc, force, 0, 0); + ret = i2c_mux_add_adapter(muxc, 0, 0, 0); if (ret) return ret; diff --git a/drivers/i2c/muxes/i2c-mux-pca954x.c b/drivers/i2c/muxes/i2c-mux-pca954x.c index bfabf985e830..923aa3a5a3dc 100644 --- a/drivers/i2c/muxes/i2c-mux-pca954x.c +++ b/drivers/i2c/muxes/i2c-mux-pca954x.c @@ -46,10 +46,10 @@ #include <linux/of.h> #include <linux/of_device.h> #include <linux/of_irq.h> -#include <linux/platform_data/pca954x.h> #include <linux/pm.h> #include <linux/slab.h> #include <linux/spinlock.h> +#include <dt-bindings/mux/mux.h> #define PCA954X_MAX_NCHANS 8 @@ -85,7 +85,9 @@ struct pca954x { const struct chip_desc *chip; u8 last_chan; /* last register value */ - u8 deselect; + /* MUX_IDLE_AS_IS, MUX_IDLE_DISCONNECT or >= 0 for channel */ + s8 idle_state; + struct i2c_client *client; struct irq_domain *irq; @@ -254,15 +256,71 @@ static int pca954x_deselect_mux(struct i2c_mux_core *muxc, u32 chan) { struct pca954x *data = i2c_mux_priv(muxc); struct i2c_client *client = data->client; + s8 idle_state; + + idle_state = READ_ONCE(data->idle_state); + if (idle_state >= 0) + /* Set the mux back to a predetermined channel */ + return pca954x_select_chan(muxc, idle_state); + + if (idle_state == MUX_IDLE_DISCONNECT) { + /* Deselect active channel */ + data->last_chan = 0; + return pca954x_reg_write(muxc->parent, client, + data->last_chan); + } - if (!(data->deselect & (1 << chan))) - return 0; + /* otherwise leave as-is */ - /* Deselect active channel */ - data->last_chan = 0; - return pca954x_reg_write(muxc->parent, client, data->last_chan); + return 0; +} + +static ssize_t idle_state_show(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + struct i2c_client *client = to_i2c_client(dev); + struct i2c_mux_core *muxc = i2c_get_clientdata(client); + struct pca954x *data = i2c_mux_priv(muxc); + + return sprintf(buf, "%d\n", READ_ONCE(data->idle_state)); } +static ssize_t idle_state_store(struct device *dev, + struct device_attribute *attr, + const char *buf, size_t count) +{ + struct i2c_client *client = to_i2c_client(dev); + struct i2c_mux_core *muxc = i2c_get_clientdata(client); + struct pca954x *data = i2c_mux_priv(muxc); + int val; + int ret; + + ret = kstrtoint(buf, 0, &val); + if (ret < 0) + return ret; + + if (val != MUX_IDLE_AS_IS && val != MUX_IDLE_DISCONNECT && + (val < 0 || val >= data->chip->nchans)) + return -EINVAL; + + i2c_lock_bus(muxc->parent, I2C_LOCK_SEGMENT); + + WRITE_ONCE(data->idle_state, val); + /* + * Set the mux into a state consistent with the new + * idle_state. + */ + if (data->last_chan || val != MUX_IDLE_DISCONNECT) + ret = pca954x_deselect_mux(muxc, 0); + + i2c_unlock_bus(muxc->parent, I2C_LOCK_SEGMENT); + + return ret < 0 ? ret : count; +} + +static DEVICE_ATTR_RW(idle_state); + static irqreturn_t pca954x_irq_handler(int irq, void *dev_id) { struct pca954x *data = dev_id; @@ -329,8 +387,11 @@ static int pca954x_irq_setup(struct i2c_mux_core *muxc) static void pca954x_cleanup(struct i2c_mux_core *muxc) { struct pca954x *data = i2c_mux_priv(muxc); + struct i2c_client *client = data->client; int c, irq; + device_remove_file(&client->dev, &dev_attr_idle_state); + if (data->irq) { for (c = 0; c < data->chip->nchans; c++) { irq = irq_find_mapping(data->irq, c); @@ -348,14 +409,13 @@ static int pca954x_probe(struct i2c_client *client, const struct i2c_device_id *id) { struct i2c_adapter *adap = client->adapter; - struct pca954x_platform_data *pdata = dev_get_platdata(&client->dev); struct device *dev = &client->dev; struct device_node *np = dev->of_node; bool idle_disconnect_dt; struct gpio_desc *gpio; - int num, force, class; struct i2c_mux_core *muxc; struct pca954x *data; + int num; int ret; if (!i2c_check_functionality(adap, I2C_FUNC_SMBUS_BYTE)) @@ -412,9 +472,12 @@ static int pca954x_probe(struct i2c_client *client, } data->last_chan = 0; /* force the first selection */ + data->idle_state = MUX_IDLE_AS_IS; idle_disconnect_dt = np && of_property_read_bool(np, "i2c-mux-idle-disconnect"); + if (idle_disconnect_dt) + data->idle_state = MUX_IDLE_DISCONNECT; ret = pca954x_irq_setup(muxc); if (ret) @@ -422,24 +485,7 @@ static int pca954x_probe(struct i2c_client *client, /* Now create an adapter for each channel */ for (num = 0; num < data->chip->nchans; num++) { - bool idle_disconnect_pd = false; - - force = 0; /* dynamic adap number */ - class = 0; /* no class by default */ - if (pdata) { - if (num < pdata->num_modes) { - /* force static number */ - force = pdata->modes[num].adap_id; - class = pdata->modes[num].class; - } else - /* discard unconfigured channels */ - break; - idle_disconnect_pd = pdata->modes[num].deselect_on_exit; - } - data->deselect |= (idle_disconnect_pd || - idle_disconnect_dt) << num; - - ret = i2c_mux_add_adapter(muxc, force, num, class); + ret = i2c_mux_add_adapter(muxc, 0, num, 0); if (ret) goto fail_cleanup; } @@ -453,6 +499,12 @@ static int pca954x_probe(struct i2c_client *client, goto fail_cleanup; } + /* + * The attr probably isn't going to be needed in most cases, + * so don't fail completely on error. + */ + device_create_file(dev, &dev_attr_idle_state); + dev_info(dev, "registered %d multiplexed busses for I2C %s %s\n", num, data->chip->muxtype == pca954x_ismux ? "mux" : "switch", client->name); diff --git a/drivers/infiniband/hw/i40iw/i40iw_utils.c b/drivers/infiniband/hw/i40iw/i40iw_utils.c index c5a881172524..337410f40860 100644 --- a/drivers/infiniband/hw/i40iw/i40iw_utils.c +++ b/drivers/infiniband/hw/i40iw/i40iw_utils.c @@ -173,7 +173,12 @@ int i40iw_inetaddr_event(struct notifier_block *notifier, rcu_read_lock(); in = __in_dev_get_rcu(upper_dev); - local_ipaddr = ntohl(in->ifa_list->ifa_address); + + if (!in->ifa_list) + local_ipaddr = 0; + else + local_ipaddr = ntohl(in->ifa_list->ifa_address); + rcu_read_unlock(); } else { local_ipaddr = ntohl(ifa->ifa_address); @@ -185,6 +190,11 @@ int i40iw_inetaddr_event(struct notifier_block *notifier, case NETDEV_UP: /* Fall through */ case NETDEV_CHANGEADDR: + + /* Just skip if no need to handle ARP cache */ + if (!local_ipaddr) + break; + i40iw_manage_arp_cache(iwdev, netdev->dev_addr, &local_ipaddr, diff --git a/drivers/infiniband/hw/mlx4/alias_GUID.c b/drivers/infiniband/hw/mlx4/alias_GUID.c index 782499abcd98..2a0b59a4b6eb 100644 --- a/drivers/infiniband/hw/mlx4/alias_GUID.c +++ b/drivers/infiniband/hw/mlx4/alias_GUID.c @@ -804,8 +804,8 @@ void mlx4_ib_destroy_alias_guid_service(struct mlx4_ib_dev *dev) unsigned long flags; for (i = 0 ; i < dev->num_ports; i++) { - cancel_delayed_work(&dev->sriov.alias_guid.ports_guid[i].alias_guid_work); det = &sriov->alias_guid.ports_guid[i]; + cancel_delayed_work_sync(&det->alias_guid_work); spin_lock_irqsave(&sriov->alias_guid.ag_work_lock, flags); while (!list_empty(&det->cb_list)) { cb_ctx = list_entry(det->cb_list.next, diff --git a/drivers/infiniband/hw/mlx5/devx.c b/drivers/infiniband/hw/mlx5/devx.c index eaa055007f28..9e08df7914aa 100644 --- a/drivers/infiniband/hw/mlx5/devx.c +++ b/drivers/infiniband/hw/mlx5/devx.c @@ -20,6 +20,7 @@ enum devx_obj_flags { DEVX_OBJ_FLAGS_INDIRECT_MKEY = 1 << 0, + DEVX_OBJ_FLAGS_DCT = 1 << 1, }; struct devx_async_data { @@ -39,7 +40,10 @@ struct devx_obj { u32 dinlen; /* destroy inbox length */ u32 dinbox[MLX5_MAX_DESTROY_INBOX_SIZE_DW]; u32 flags; - struct mlx5_ib_devx_mr devx_mr; + union { + struct mlx5_ib_devx_mr devx_mr; + struct mlx5_core_dct core_dct; + }; }; struct devx_umem { @@ -347,7 +351,6 @@ static u64 devx_get_obj_id(const void *in) obj_id = get_enc_obj_id(MLX5_CMD_OP_CREATE_RQ, MLX5_GET(arm_rq_in, in, srq_number)); break; - case MLX5_CMD_OP_DRAIN_DCT: case MLX5_CMD_OP_ARM_DCT_FOR_KEY_VIOLATION: obj_id = get_enc_obj_id(MLX5_CMD_OP_CREATE_DCT, MLX5_GET(drain_dct_in, in, dctn)); @@ -618,7 +621,6 @@ static bool devx_is_obj_modify_cmd(const void *in) case MLX5_CMD_OP_2RST_QP: case MLX5_CMD_OP_ARM_XRC_SRQ: case MLX5_CMD_OP_ARM_RQ: - case MLX5_CMD_OP_DRAIN_DCT: case MLX5_CMD_OP_ARM_DCT_FOR_KEY_VIOLATION: case MLX5_CMD_OP_ARM_XRQ: case MLX5_CMD_OP_SET_XRQ_DC_PARAMS_ENTRY: @@ -1124,7 +1126,11 @@ static int devx_obj_cleanup(struct ib_uobject *uobject, if (obj->flags & DEVX_OBJ_FLAGS_INDIRECT_MKEY) devx_cleanup_mkey(obj); - ret = mlx5_cmd_exec(obj->mdev, obj->dinbox, obj->dinlen, out, sizeof(out)); + if (obj->flags & DEVX_OBJ_FLAGS_DCT) + ret = mlx5_core_destroy_dct(obj->mdev, &obj->core_dct); + else + ret = mlx5_cmd_exec(obj->mdev, obj->dinbox, obj->dinlen, out, + sizeof(out)); if (ib_is_destroy_retryable(ret, why, uobject)) return ret; @@ -1185,9 +1191,17 @@ static int UVERBS_HANDLER(MLX5_IB_METHOD_DEVX_OBJ_CREATE)( devx_set_umem_valid(cmd_in); } - err = mlx5_cmd_exec(dev->mdev, cmd_in, - cmd_in_len, - cmd_out, cmd_out_len); + if (opcode == MLX5_CMD_OP_CREATE_DCT) { + obj->flags |= DEVX_OBJ_FLAGS_DCT; + err = mlx5_core_create_dct(dev->mdev, &obj->core_dct, + cmd_in, cmd_in_len, + cmd_out, cmd_out_len); + } else { + err = mlx5_cmd_exec(dev->mdev, cmd_in, + cmd_in_len, + cmd_out, cmd_out_len); + } + if (err) goto obj_free; @@ -1214,7 +1228,11 @@ err_copy: if (obj->flags & DEVX_OBJ_FLAGS_INDIRECT_MKEY) devx_cleanup_mkey(obj); obj_destroy: - mlx5_cmd_exec(obj->mdev, obj->dinbox, obj->dinlen, out, sizeof(out)); + if (obj->flags & DEVX_OBJ_FLAGS_DCT) + mlx5_core_destroy_dct(obj->mdev, &obj->core_dct); + else + mlx5_cmd_exec(obj->mdev, obj->dinbox, obj->dinlen, out, + sizeof(out)); obj_free: kfree(obj); return err; diff --git a/drivers/infiniband/hw/mlx5/main.c b/drivers/infiniband/hw/mlx5/main.c index 994c19d01211..531ff20b32ad 100644 --- a/drivers/infiniband/hw/mlx5/main.c +++ b/drivers/infiniband/hw/mlx5/main.c @@ -415,10 +415,17 @@ static int translate_eth_ext_proto_oper(u32 eth_proto_oper, u8 *active_speed, *active_speed = IB_SPEED_EDR; break; case MLX5E_PROT_MASK(MLX5E_50GAUI_2_LAUI_2_50GBASE_CR2_KR2): + *active_width = IB_WIDTH_2X; + *active_speed = IB_SPEED_EDR; + break; case MLX5E_PROT_MASK(MLX5E_50GAUI_1_LAUI_1_50GBASE_CR_KR): *active_width = IB_WIDTH_1X; *active_speed = IB_SPEED_HDR; break; + case MLX5E_PROT_MASK(MLX5E_CAUI_4_100GBASE_CR4_KR4): + *active_width = IB_WIDTH_4X; + *active_speed = IB_SPEED_EDR; + break; case MLX5E_PROT_MASK(MLX5E_100GAUI_2_100GBASE_CR2_KR2): *active_width = IB_WIDTH_2X; *active_speed = IB_SPEED_HDR; diff --git a/drivers/infiniband/hw/mlx5/qp.c b/drivers/infiniband/hw/mlx5/qp.c index 6b1f0e76900b..7cd006da1dae 100644 --- a/drivers/infiniband/hw/mlx5/qp.c +++ b/drivers/infiniband/hw/mlx5/qp.c @@ -3729,6 +3729,7 @@ static int mlx5_ib_modify_dct(struct ib_qp *ibqp, struct ib_qp_attr *attr, } else if (cur_state == IB_QPS_INIT && new_state == IB_QPS_RTR) { struct mlx5_ib_modify_qp_resp resp = {}; + u32 out[MLX5_ST_SZ_DW(create_dct_out)] = {0}; u32 min_resp_len = offsetof(typeof(resp), dctn) + sizeof(resp.dctn); @@ -3747,7 +3748,8 @@ static int mlx5_ib_modify_dct(struct ib_qp *ibqp, struct ib_qp_attr *attr, MLX5_SET(dctc, dctc, hop_limit, attr->ah_attr.grh.hop_limit); err = mlx5_core_create_dct(dev->mdev, &qp->dct.mdct, qp->dct.in, - MLX5_ST_SZ_BYTES(create_dct_in)); + MLX5_ST_SZ_BYTES(create_dct_in), out, + sizeof(out)); if (err) return err; resp.dctn = qp->dct.mdct.mqp.qpn; diff --git a/drivers/iommu/amd_iommu.c b/drivers/iommu/amd_iommu.c index b319e51c379b..f7cdd2ab7f11 100644 --- a/drivers/iommu/amd_iommu.c +++ b/drivers/iommu/amd_iommu.c @@ -2608,7 +2608,12 @@ static int map_sg(struct device *dev, struct scatterlist *sglist, /* Everything is mapped - write the right values into s->dma_address */ for_each_sg(sglist, s, nelems, i) { - s->dma_address += address + s->offset; + /* + * Add in the remaining piece of the scatter-gather offset that + * was masked out when we were determining the physical address + * via (sg_phys(s) & PAGE_MASK) earlier. + */ + s->dma_address += address + (s->offset & ~PAGE_MASK); s->dma_length = s->length; } @@ -3164,21 +3169,24 @@ static void amd_iommu_get_resv_regions(struct device *dev, return; list_for_each_entry(entry, &amd_iommu_unity_map, list) { + int type, prot = 0; size_t length; - int prot = 0; if (devid < entry->devid_start || devid > entry->devid_end) continue; + type = IOMMU_RESV_DIRECT; length = entry->address_end - entry->address_start; if (entry->prot & IOMMU_PROT_IR) prot |= IOMMU_READ; if (entry->prot & IOMMU_PROT_IW) prot |= IOMMU_WRITE; + if (entry->prot & IOMMU_UNITY_MAP_FLAG_EXCL_RANGE) + /* Exclusion range */ + type = IOMMU_RESV_RESERVED; region = iommu_alloc_resv_region(entry->address_start, - length, prot, - IOMMU_RESV_DIRECT); + length, prot, type); if (!region) { dev_err(dev, "Out of memory allocating dm-regions\n"); return; diff --git a/drivers/iommu/amd_iommu_init.c b/drivers/iommu/amd_iommu_init.c index f773792d77fd..1b1378619fc9 100644 --- a/drivers/iommu/amd_iommu_init.c +++ b/drivers/iommu/amd_iommu_init.c @@ -2013,6 +2013,9 @@ static int __init init_unity_map_range(struct ivmd_header *m) if (e == NULL) return -ENOMEM; + if (m->flags & IVMD_FLAG_EXCL_RANGE) + init_exclusion_range(m); + switch (m->type) { default: kfree(e); @@ -2059,9 +2062,7 @@ static int __init init_memory_definitions(struct acpi_table_header *table) while (p < end) { m = (struct ivmd_header *)p; - if (m->flags & IVMD_FLAG_EXCL_RANGE) - init_exclusion_range(m); - else if (m->flags & IVMD_FLAG_UNITY_MAP) + if (m->flags & (IVMD_FLAG_UNITY_MAP | IVMD_FLAG_EXCL_RANGE)) init_unity_map_range(m); p += m->length; diff --git a/drivers/iommu/amd_iommu_types.h b/drivers/iommu/amd_iommu_types.h index eae0741f72dc..87965e4d9647 100644 --- a/drivers/iommu/amd_iommu_types.h +++ b/drivers/iommu/amd_iommu_types.h @@ -374,6 +374,8 @@ #define IOMMU_PROT_IR 0x01 #define IOMMU_PROT_IW 0x02 +#define IOMMU_UNITY_MAP_FLAG_EXCL_RANGE (1 << 2) + /* IOMMU capabilities */ #define IOMMU_CAP_IOTLB 24 #define IOMMU_CAP_NPCACHE 26 diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c index 87274b54febd..28cb713d728c 100644 --- a/drivers/iommu/intel-iommu.c +++ b/drivers/iommu/intel-iommu.c @@ -1538,6 +1538,9 @@ static void iommu_disable_protect_mem_regions(struct intel_iommu *iommu) u32 pmen; unsigned long flags; + if (!cap_plmr(iommu->cap) && !cap_phmr(iommu->cap)) + return; + raw_spin_lock_irqsave(&iommu->register_lock, flags); pmen = readl(iommu->reg + DMAR_PMEN_REG); pmen &= ~DMA_PMEN_EPM; @@ -5332,7 +5335,7 @@ int intel_iommu_enable_pasid(struct intel_iommu *iommu, struct intel_svm_dev *sd ctx_lo = context[0].lo; - sdev->did = domain->iommu_did[iommu->seq_id]; + sdev->did = FLPT_DEFAULT_DID; sdev->sid = PCI_DEVID(info->bus, info->devfn); if (!(ctx_lo & CONTEXT_PASIDE)) { diff --git a/drivers/iommu/io-pgtable-arm-v7s.c b/drivers/iommu/io-pgtable-arm-v7s.c index f101afc315ab..9a8a8870e267 100644 --- a/drivers/iommu/io-pgtable-arm-v7s.c +++ b/drivers/iommu/io-pgtable-arm-v7s.c @@ -160,6 +160,14 @@ #define ARM_V7S_TCR_PD1 BIT(5) +#ifdef CONFIG_ZONE_DMA32 +#define ARM_V7S_TABLE_GFP_DMA GFP_DMA32 +#define ARM_V7S_TABLE_SLAB_FLAGS SLAB_CACHE_DMA32 +#else +#define ARM_V7S_TABLE_GFP_DMA GFP_DMA +#define ARM_V7S_TABLE_SLAB_FLAGS SLAB_CACHE_DMA +#endif + typedef u32 arm_v7s_iopte; static bool selftest_running; @@ -197,13 +205,16 @@ static void *__arm_v7s_alloc_table(int lvl, gfp_t gfp, void *table = NULL; if (lvl == 1) - table = (void *)__get_dma_pages(__GFP_ZERO, get_order(size)); + table = (void *)__get_free_pages( + __GFP_ZERO | ARM_V7S_TABLE_GFP_DMA, get_order(size)); else if (lvl == 2) - table = kmem_cache_zalloc(data->l2_tables, gfp | GFP_DMA); + table = kmem_cache_zalloc(data->l2_tables, gfp); phys = virt_to_phys(table); - if (phys != (arm_v7s_iopte)phys) + if (phys != (arm_v7s_iopte)phys) { /* Doesn't fit in PTE */ + dev_err(dev, "Page table does not fit in PTE: %pa", &phys); goto out_free; + } if (table && !(cfg->quirks & IO_PGTABLE_QUIRK_NO_DMA)) { dma = dma_map_single(dev, table, size, DMA_TO_DEVICE); if (dma_mapping_error(dev, dma)) @@ -733,7 +744,7 @@ static struct io_pgtable *arm_v7s_alloc_pgtable(struct io_pgtable_cfg *cfg, data->l2_tables = kmem_cache_create("io-pgtable_armv7s_l2", ARM_V7S_TABLE_SIZE(2), ARM_V7S_TABLE_SIZE(2), - SLAB_CACHE_DMA, NULL); + ARM_V7S_TABLE_SLAB_FLAGS, NULL); if (!data->l2_tables) goto out_free_data; diff --git a/drivers/iommu/iommu.c b/drivers/iommu/iommu.c index 33a982e33716..109de67d5d72 100644 --- a/drivers/iommu/iommu.c +++ b/drivers/iommu/iommu.c @@ -1105,10 +1105,12 @@ struct iommu_group *iommu_group_get_for_dev(struct device *dev) dom = __iommu_domain_alloc(dev->bus, iommu_def_domain_type); if (!dom && iommu_def_domain_type != IOMMU_DOMAIN_DMA) { - dev_warn(dev, - "failed to allocate default IOMMU domain of type %u; falling back to IOMMU_DOMAIN_DMA", - iommu_def_domain_type); dom = __iommu_domain_alloc(dev->bus, IOMMU_DOMAIN_DMA); + if (dom) { + dev_warn(dev, + "failed to allocate default IOMMU domain of type %u; falling back to IOMMU_DOMAIN_DMA", + iommu_def_domain_type); + } } group->default_domain = dom; diff --git a/drivers/iommu/iova.c b/drivers/iommu/iova.c index f8d3ba247523..2de8122e218f 100644 --- a/drivers/iommu/iova.c +++ b/drivers/iommu/iova.c @@ -207,8 +207,10 @@ static int __alloc_and_insert_iova_range(struct iova_domain *iovad, curr_iova = rb_entry(curr, struct iova, node); } while (curr && new_pfn <= curr_iova->pfn_hi); - if (limit_pfn < size || new_pfn < iovad->start_pfn) + if (limit_pfn < size || new_pfn < iovad->start_pfn) { + iovad->max32_alloc_size = size; goto iova32_full; + } /* pfn_lo will point to size aligned address if size_aligned is set */ new->pfn_lo = new_pfn; @@ -222,7 +224,6 @@ static int __alloc_and_insert_iova_range(struct iova_domain *iovad, return 0; iova32_full: - iovad->max32_alloc_size = size; spin_unlock_irqrestore(&iovad->iova_rbtree_lock, flags); return -ENOMEM; } diff --git a/drivers/irqchip/irq-brcmstb-l2.c b/drivers/irqchip/irq-brcmstb-l2.c index 83364fedbf0a..5e4ca139e4ea 100644 --- a/drivers/irqchip/irq-brcmstb-l2.c +++ b/drivers/irqchip/irq-brcmstb-l2.c @@ -275,14 +275,14 @@ out_free: return ret; } -int __init brcmstb_l2_edge_intc_of_init(struct device_node *np, +static int __init brcmstb_l2_edge_intc_of_init(struct device_node *np, struct device_node *parent) { return brcmstb_l2_intc_of_init(np, parent, &l2_edge_intc_init); } IRQCHIP_DECLARE(brcmstb_l2_intc, "brcm,l2-intc", brcmstb_l2_edge_intc_of_init); -int __init brcmstb_l2_lvl_intc_of_init(struct device_node *np, +static int __init brcmstb_l2_lvl_intc_of_init(struct device_node *np, struct device_node *parent) { return brcmstb_l2_intc_of_init(np, parent, &l2_lvl_intc_init); diff --git a/drivers/irqchip/irq-gic-v3-its.c b/drivers/irqchip/irq-gic-v3-its.c index 2dd1ff0cf558..7577755bdcf4 100644 --- a/drivers/irqchip/irq-gic-v3-its.c +++ b/drivers/irqchip/irq-gic-v3-its.c @@ -1482,7 +1482,7 @@ static int lpi_range_cmp(void *priv, struct list_head *a, struct list_head *b) ra = container_of(a, struct lpi_range, entry); rb = container_of(b, struct lpi_range, entry); - return rb->base_id - ra->base_id; + return ra->base_id - rb->base_id; } static void merge_lpi_ranges(void) diff --git a/drivers/irqchip/irq-gic.c b/drivers/irqchip/irq-gic.c index ba2a37a27a54..fd3110c171ba 100644 --- a/drivers/irqchip/irq-gic.c +++ b/drivers/irqchip/irq-gic.c @@ -1089,11 +1089,10 @@ static void gic_init_chip(struct gic_chip_data *gic, struct device *dev, #endif } -static int gic_init_bases(struct gic_chip_data *gic, int irq_start, +static int gic_init_bases(struct gic_chip_data *gic, struct fwnode_handle *handle) { - irq_hw_number_t hwirq_base; - int gic_irqs, irq_base, ret; + int gic_irqs, ret; if (IS_ENABLED(CONFIG_GIC_NON_BANKED) && gic->percpu_offset) { /* Frankein-GIC without banked registers... */ @@ -1145,28 +1144,21 @@ static int gic_init_bases(struct gic_chip_data *gic, int irq_start, } else { /* Legacy support */ /* * For primary GICs, skip over SGIs. - * For secondary GICs, skip over PPIs, too. + * No secondary GIC support whatsoever. */ - if (gic == &gic_data[0] && (irq_start & 31) > 0) { - hwirq_base = 16; - if (irq_start != -1) - irq_start = (irq_start & ~31) + 16; - } else { - hwirq_base = 32; - } + int irq_base; - gic_irqs -= hwirq_base; /* calculate # of irqs to allocate */ + gic_irqs -= 16; /* calculate # of irqs to allocate */ - irq_base = irq_alloc_descs(irq_start, 16, gic_irqs, + irq_base = irq_alloc_descs(16, 16, gic_irqs, numa_node_id()); if (irq_base < 0) { - WARN(1, "Cannot allocate irq_descs @ IRQ%d, assuming pre-allocated\n", - irq_start); - irq_base = irq_start; + WARN(1, "Cannot allocate irq_descs @ IRQ16, assuming pre-allocated\n"); + irq_base = 16; } gic->domain = irq_domain_add_legacy(NULL, gic_irqs, irq_base, - hwirq_base, &gic_irq_domain_ops, gic); + 16, &gic_irq_domain_ops, gic); } if (WARN_ON(!gic->domain)) { @@ -1195,7 +1187,6 @@ error: } static int __init __gic_init_bases(struct gic_chip_data *gic, - int irq_start, struct fwnode_handle *handle) { char *name; @@ -1231,32 +1222,28 @@ static int __init __gic_init_bases(struct gic_chip_data *gic, gic_init_chip(gic, NULL, name, false); } - ret = gic_init_bases(gic, irq_start, handle); + ret = gic_init_bases(gic, handle); if (ret) kfree(name); return ret; } -void __init gic_init(unsigned int gic_nr, int irq_start, - void __iomem *dist_base, void __iomem *cpu_base) +void __init gic_init(void __iomem *dist_base, void __iomem *cpu_base) { struct gic_chip_data *gic; - if (WARN_ON(gic_nr >= CONFIG_ARM_GIC_MAX_NR)) - return; - /* * Non-DT/ACPI systems won't run a hypervisor, so let's not * bother with these... */ static_branch_disable(&supports_deactivate_key); - gic = &gic_data[gic_nr]; + gic = &gic_data[0]; gic->raw_dist_base = dist_base; gic->raw_cpu_base = cpu_base; - __gic_init_bases(gic, irq_start, NULL); + __gic_init_bases(gic, NULL); } static void gic_teardown(struct gic_chip_data *gic) @@ -1399,7 +1386,7 @@ int gic_of_init_child(struct device *dev, struct gic_chip_data **gic, int irq) if (ret) return ret; - ret = gic_init_bases(*gic, -1, &dev->of_node->fwnode); + ret = gic_init_bases(*gic, &dev->of_node->fwnode); if (ret) { gic_teardown(*gic); return ret; @@ -1459,7 +1446,7 @@ gic_of_init(struct device_node *node, struct device_node *parent) if (gic_cnt == 0 && !gic_check_eoimode(node, &gic->raw_cpu_base)) static_branch_disable(&supports_deactivate_key); - ret = __gic_init_bases(gic, -1, &node->fwnode); + ret = __gic_init_bases(gic, &node->fwnode); if (ret) { gic_teardown(gic); return ret; @@ -1650,7 +1637,7 @@ static int __init gic_v2_acpi_init(struct acpi_subtable_header *header, return -ENOMEM; } - ret = __gic_init_bases(gic, -1, domain_handle); + ret = __gic_init_bases(gic, domain_handle); if (ret) { pr_err("Failed to initialise GIC\n"); irq_domain_free_fwnode(domain_handle); diff --git a/drivers/irqchip/irq-imx-irqsteer.c b/drivers/irqchip/irq-imx-irqsteer.c index d1098f4da6a4..88df3d00052c 100644 --- a/drivers/irqchip/irq-imx-irqsteer.c +++ b/drivers/irqchip/irq-imx-irqsteer.c @@ -169,8 +169,12 @@ static int imx_irqsteer_probe(struct platform_device *pdev) raw_spin_lock_init(&data->lock); - of_property_read_u32(np, "fsl,num-irqs", &irqs_num); - of_property_read_u32(np, "fsl,channel", &data->channel); + ret = of_property_read_u32(np, "fsl,num-irqs", &irqs_num); + if (ret) + return ret; + ret = of_property_read_u32(np, "fsl,channel", &data->channel); + if (ret) + return ret; /* * There is one output irq for each group of 64 inputs. diff --git a/drivers/irqchip/irq-mbigen.c b/drivers/irqchip/irq-mbigen.c index 567b29c47608..98b6e1d4b1a6 100644 --- a/drivers/irqchip/irq-mbigen.c +++ b/drivers/irqchip/irq-mbigen.c @@ -161,6 +161,9 @@ static void mbigen_write_msg(struct msi_desc *desc, struct msi_msg *msg) void __iomem *base = d->chip_data; u32 val; + if (!msg->address_lo && !msg->address_hi) + return; + base += get_mbigen_vec_reg(d->hwirq); val = readl_relaxed(base); diff --git a/drivers/irqchip/irq-mmp.c b/drivers/irqchip/irq-mmp.c index 3496b61a312a..8eed478f3b7e 100644 --- a/drivers/irqchip/irq-mmp.c +++ b/drivers/irqchip/irq-mmp.c @@ -179,7 +179,7 @@ static int mmp_irq_domain_xlate(struct irq_domain *d, struct device_node *node, return 0; } -const struct irq_domain_ops mmp_irq_domain_ops = { +static const struct irq_domain_ops mmp_irq_domain_ops = { .map = mmp_irq_domain_map, .xlate = mmp_irq_domain_xlate, }; diff --git a/drivers/irqchip/irq-mvebu-sei.c b/drivers/irqchip/irq-mvebu-sei.c index add4c9c934c8..18832ccc8ff8 100644 --- a/drivers/irqchip/irq-mvebu-sei.c +++ b/drivers/irqchip/irq-mvebu-sei.c @@ -478,7 +478,7 @@ dispose_irq: return ret; } -struct mvebu_sei_caps mvebu_sei_ap806_caps = { +static struct mvebu_sei_caps mvebu_sei_ap806_caps = { .ap_range = { .first = 0, .size = 21, diff --git a/drivers/irqchip/irq-stm32-exti.c b/drivers/irqchip/irq-stm32-exti.c index a93296b9b45d..7bd1d4cb2e19 100644 --- a/drivers/irqchip/irq-stm32-exti.c +++ b/drivers/irqchip/irq-stm32-exti.c @@ -716,7 +716,6 @@ stm32_exti_chip_data *stm32_exti_chip_init(struct stm32_exti_host_data *h_data, const struct stm32_exti_bank *stm32_bank; struct stm32_exti_chip_data *chip_data; void __iomem *base = h_data->base; - u32 irqs_mask; stm32_bank = h_data->drv_data->exti_banks[bank_idx]; chip_data = &h_data->chips_data[bank_idx]; @@ -725,21 +724,12 @@ stm32_exti_chip_data *stm32_exti_chip_init(struct stm32_exti_host_data *h_data, raw_spin_lock_init(&chip_data->rlock); - /* Determine number of irqs supported */ - writel_relaxed(~0UL, base + stm32_bank->rtsr_ofst); - irqs_mask = readl_relaxed(base + stm32_bank->rtsr_ofst); - /* * This IP has no reset, so after hot reboot we should * clear registers to avoid residue */ writel_relaxed(0, base + stm32_bank->imr_ofst); writel_relaxed(0, base + stm32_bank->emr_ofst); - writel_relaxed(0, base + stm32_bank->rtsr_ofst); - writel_relaxed(0, base + stm32_bank->ftsr_ofst); - writel_relaxed(~0UL, base + stm32_bank->rpr_ofst); - if (stm32_bank->fpr_ofst != UNDEF_REG) - writel_relaxed(~0UL, base + stm32_bank->fpr_ofst); pr_info("%pOF: bank%d\n", h_data->node, bank_idx); diff --git a/drivers/isdn/hardware/mISDN/hfcmulti.c b/drivers/isdn/hardware/mISDN/hfcmulti.c index 4d85645c87f7..0928fd1f0e0c 100644 --- a/drivers/isdn/hardware/mISDN/hfcmulti.c +++ b/drivers/isdn/hardware/mISDN/hfcmulti.c @@ -4365,7 +4365,8 @@ setup_pci(struct hfc_multi *hc, struct pci_dev *pdev, if (m->clock2) test_and_set_bit(HFC_CHIP_CLOCK2, &hc->chip); - if (ent->device == 0xB410) { + if (ent->vendor == PCI_VENDOR_ID_DIGIUM && + ent->device == PCI_DEVICE_ID_DIGIUM_HFC4S) { test_and_set_bit(HFC_CHIP_B410P, &hc->chip); test_and_set_bit(HFC_CHIP_PCM_MASTER, &hc->chip); test_and_clear_bit(HFC_CHIP_PCM_SLAVE, &hc->chip); diff --git a/drivers/leds/leds-pca9532.c b/drivers/leds/leds-pca9532.c index 7fea18b0c15d..7cb4d685a1f1 100644 --- a/drivers/leds/leds-pca9532.c +++ b/drivers/leds/leds-pca9532.c @@ -513,6 +513,7 @@ static int pca9532_probe(struct i2c_client *client, const struct i2c_device_id *id) { int devid; + const struct of_device_id *of_id; struct pca9532_data *data = i2c_get_clientdata(client); struct pca9532_platform_data *pca9532_pdata = dev_get_platdata(&client->dev); @@ -528,8 +529,11 @@ static int pca9532_probe(struct i2c_client *client, dev_err(&client->dev, "no platform data\n"); return -EINVAL; } - devid = (int)(uintptr_t)of_match_device( - of_pca9532_leds_match, &client->dev)->data; + of_id = of_match_device(of_pca9532_leds_match, + &client->dev); + if (unlikely(!of_id)) + return -EINVAL; + devid = (int)(uintptr_t) of_id->data; } else { devid = id->driver_data; } diff --git a/drivers/leds/trigger/ledtrig-netdev.c b/drivers/leds/trigger/ledtrig-netdev.c index 3dd3ed46d473..136f86a1627d 100644 --- a/drivers/leds/trigger/ledtrig-netdev.c +++ b/drivers/leds/trigger/ledtrig-netdev.c @@ -122,7 +122,8 @@ static ssize_t device_name_store(struct device *dev, trigger_data->net_dev = NULL; } - strncpy(trigger_data->device_name, buf, size); + memcpy(trigger_data->device_name, buf, size); + trigger_data->device_name[size] = 0; if (size > 0 && trigger_data->device_name[size - 1] == '\n') trigger_data->device_name[size - 1] = 0; @@ -301,11 +302,11 @@ static int netdev_trig_notify(struct notifier_block *nb, container_of(nb, struct led_netdev_data, notifier); if (evt != NETDEV_UP && evt != NETDEV_DOWN && evt != NETDEV_CHANGE - && evt != NETDEV_REGISTER && evt != NETDEV_UNREGISTER - && evt != NETDEV_CHANGENAME) + && evt != NETDEV_REGISTER && evt != NETDEV_UNREGISTER) return NOTIFY_DONE; - if (strcmp(dev->name, trigger_data->device_name)) + if (!(dev == trigger_data->net_dev || + (evt == NETDEV_REGISTER && !strcmp(dev->name, trigger_data->device_name)))) return NOTIFY_DONE; cancel_delayed_work_sync(&trigger_data->work); @@ -320,12 +321,9 @@ static int netdev_trig_notify(struct notifier_block *nb, dev_hold(dev); trigger_data->net_dev = dev; break; - case NETDEV_CHANGENAME: case NETDEV_UNREGISTER: - if (trigger_data->net_dev) { - dev_put(trigger_data->net_dev); - trigger_data->net_dev = NULL; - } + dev_put(trigger_data->net_dev); + trigger_data->net_dev = NULL; break; case NETDEV_UP: case NETDEV_CHANGE: diff --git a/drivers/misc/habanalabs/command_submission.c b/drivers/misc/habanalabs/command_submission.c index 3525236ed8d9..19c84214a7ea 100644 --- a/drivers/misc/habanalabs/command_submission.c +++ b/drivers/misc/habanalabs/command_submission.c @@ -179,6 +179,12 @@ static void cs_do_release(struct kref *ref) /* We also need to update CI for internal queues */ if (cs->submitted) { + int cs_cnt = atomic_dec_return(&hdev->cs_active_cnt); + + WARN_ONCE((cs_cnt < 0), + "hl%d: error in CS active cnt %d\n", + hdev->id, cs_cnt); + hl_int_hw_queue_update_ci(cs); spin_lock(&hdev->hw_queues_mirror_lock); diff --git a/drivers/misc/habanalabs/debugfs.c b/drivers/misc/habanalabs/debugfs.c index a53c12aff6ad..974a87789bd8 100644 --- a/drivers/misc/habanalabs/debugfs.c +++ b/drivers/misc/habanalabs/debugfs.c @@ -232,6 +232,7 @@ static int vm_show(struct seq_file *s, void *data) struct hl_vm_phys_pg_pack *phys_pg_pack = NULL; enum vm_type_t *vm_type; bool once = true; + u64 j; int i; if (!dev_entry->hdev->mmu_enable) @@ -260,7 +261,7 @@ static int vm_show(struct seq_file *s, void *data) } else { phys_pg_pack = hnode->ptr; seq_printf(s, - " 0x%-14llx %-10u %-4u\n", + " 0x%-14llx %-10llu %-4u\n", hnode->vaddr, phys_pg_pack->total_size, phys_pg_pack->handle); } @@ -282,9 +283,9 @@ static int vm_show(struct seq_file *s, void *data) phys_pg_pack->page_size); seq_puts(s, " physical address\n"); seq_puts(s, "---------------------\n"); - for (i = 0 ; i < phys_pg_pack->npages ; i++) { + for (j = 0 ; j < phys_pg_pack->npages ; j++) { seq_printf(s, " 0x%-14llx\n", - phys_pg_pack->pages[i]); + phys_pg_pack->pages[j]); } } spin_unlock(&vm->idr_lock); diff --git a/drivers/misc/habanalabs/device.c b/drivers/misc/habanalabs/device.c index de46aa6ed154..77d51be66c7e 100644 --- a/drivers/misc/habanalabs/device.c +++ b/drivers/misc/habanalabs/device.c @@ -11,6 +11,8 @@ #include <linux/sched/signal.h> #include <linux/hwmon.h> +#define HL_PLDM_PENDING_RESET_PER_SEC (HL_PENDING_RESET_PER_SEC * 10) + bool hl_device_disabled_or_in_reset(struct hl_device *hdev) { if ((hdev->disabled) || (atomic_read(&hdev->in_reset))) @@ -216,6 +218,7 @@ static int device_early_init(struct hl_device *hdev) spin_lock_init(&hdev->hw_queues_mirror_lock); atomic_set(&hdev->in_reset, 0); atomic_set(&hdev->fd_open_cnt, 0); + atomic_set(&hdev->cs_active_cnt, 0); return 0; @@ -413,6 +416,27 @@ int hl_device_suspend(struct hl_device *hdev) pci_save_state(hdev->pdev); + /* Block future CS/VM/JOB completion operations */ + rc = atomic_cmpxchg(&hdev->in_reset, 0, 1); + if (rc) { + dev_err(hdev->dev, "Can't suspend while in reset\n"); + return -EIO; + } + + /* This blocks all other stuff that is not blocked by in_reset */ + hdev->disabled = true; + + /* + * Flush anyone that is inside the critical section of enqueue + * jobs to the H/W + */ + hdev->asic_funcs->hw_queues_lock(hdev); + hdev->asic_funcs->hw_queues_unlock(hdev); + + /* Flush processes that are sending message to CPU */ + mutex_lock(&hdev->send_cpu_message_lock); + mutex_unlock(&hdev->send_cpu_message_lock); + rc = hdev->asic_funcs->suspend(hdev); if (rc) dev_err(hdev->dev, @@ -440,21 +464,38 @@ int hl_device_resume(struct hl_device *hdev) pci_set_power_state(hdev->pdev, PCI_D0); pci_restore_state(hdev->pdev); - rc = pci_enable_device(hdev->pdev); + rc = pci_enable_device_mem(hdev->pdev); if (rc) { dev_err(hdev->dev, "Failed to enable PCI device in resume\n"); return rc; } + pci_set_master(hdev->pdev); + rc = hdev->asic_funcs->resume(hdev); if (rc) { - dev_err(hdev->dev, - "Failed to enable PCI access from device CPU\n"); - return rc; + dev_err(hdev->dev, "Failed to resume device after suspend\n"); + goto disable_device; + } + + + hdev->disabled = false; + atomic_set(&hdev->in_reset, 0); + + rc = hl_device_reset(hdev, true, false); + if (rc) { + dev_err(hdev->dev, "Failed to reset device during resume\n"); + goto disable_device; } return 0; + +disable_device: + pci_clear_master(hdev->pdev); + pci_disable_device(hdev->pdev); + + return rc; } static void hl_device_hard_reset_pending(struct work_struct *work) @@ -462,9 +503,16 @@ static void hl_device_hard_reset_pending(struct work_struct *work) struct hl_device_reset_work *device_reset_work = container_of(work, struct hl_device_reset_work, reset_work); struct hl_device *hdev = device_reset_work->hdev; - u16 pending_cnt = HL_PENDING_RESET_PER_SEC; + u16 pending_total, pending_cnt; struct task_struct *task = NULL; + if (hdev->pldm) + pending_total = HL_PLDM_PENDING_RESET_PER_SEC; + else + pending_total = HL_PENDING_RESET_PER_SEC; + + pending_cnt = pending_total; + /* Flush all processes that are inside hl_open */ mutex_lock(&hdev->fd_open_cnt_lock); @@ -489,6 +537,19 @@ static void hl_device_hard_reset_pending(struct work_struct *work) } } + pending_cnt = pending_total; + + while ((atomic_read(&hdev->fd_open_cnt)) && (pending_cnt)) { + + pending_cnt--; + + ssleep(1); + } + + if (atomic_read(&hdev->fd_open_cnt)) + dev_crit(hdev->dev, + "Going to hard reset with open user contexts\n"); + mutex_unlock(&hdev->fd_open_cnt_lock); hl_device_reset(hdev, true, true); diff --git a/drivers/misc/habanalabs/goya/goya.c b/drivers/misc/habanalabs/goya/goya.c index 238dd57c541b..ea979ebd62fb 100644 --- a/drivers/misc/habanalabs/goya/goya.c +++ b/drivers/misc/habanalabs/goya/goya.c @@ -1201,15 +1201,6 @@ static int goya_stop_external_queues(struct hl_device *hdev) return retval; } -static void goya_resume_external_queues(struct hl_device *hdev) -{ - WREG32(mmDMA_QM_0_GLBL_CFG1, 0); - WREG32(mmDMA_QM_1_GLBL_CFG1, 0); - WREG32(mmDMA_QM_2_GLBL_CFG1, 0); - WREG32(mmDMA_QM_3_GLBL_CFG1, 0); - WREG32(mmDMA_QM_4_GLBL_CFG1, 0); -} - /* * goya_init_cpu_queues - Initialize PQ/CQ/EQ of CPU * @@ -2178,36 +2169,6 @@ static int goya_stop_internal_queues(struct hl_device *hdev) return retval; } -static void goya_resume_internal_queues(struct hl_device *hdev) -{ - WREG32(mmMME_QM_GLBL_CFG1, 0); - WREG32(mmMME_CMDQ_GLBL_CFG1, 0); - - WREG32(mmTPC0_QM_GLBL_CFG1, 0); - WREG32(mmTPC0_CMDQ_GLBL_CFG1, 0); - - WREG32(mmTPC1_QM_GLBL_CFG1, 0); - WREG32(mmTPC1_CMDQ_GLBL_CFG1, 0); - - WREG32(mmTPC2_QM_GLBL_CFG1, 0); - WREG32(mmTPC2_CMDQ_GLBL_CFG1, 0); - - WREG32(mmTPC3_QM_GLBL_CFG1, 0); - WREG32(mmTPC3_CMDQ_GLBL_CFG1, 0); - - WREG32(mmTPC4_QM_GLBL_CFG1, 0); - WREG32(mmTPC4_CMDQ_GLBL_CFG1, 0); - - WREG32(mmTPC5_QM_GLBL_CFG1, 0); - WREG32(mmTPC5_CMDQ_GLBL_CFG1, 0); - - WREG32(mmTPC6_QM_GLBL_CFG1, 0); - WREG32(mmTPC6_CMDQ_GLBL_CFG1, 0); - - WREG32(mmTPC7_QM_GLBL_CFG1, 0); - WREG32(mmTPC7_CMDQ_GLBL_CFG1, 0); -} - static void goya_dma_stall(struct hl_device *hdev) { WREG32(mmDMA_QM_0_GLBL_CFG1, 1 << DMA_QM_0_GLBL_CFG1_DMA_STOP_SHIFT); @@ -2905,20 +2866,6 @@ int goya_suspend(struct hl_device *hdev) { int rc; - rc = goya_stop_internal_queues(hdev); - - if (rc) { - dev_err(hdev->dev, "failed to stop internal queues\n"); - return rc; - } - - rc = goya_stop_external_queues(hdev); - - if (rc) { - dev_err(hdev->dev, "failed to stop external queues\n"); - return rc; - } - rc = goya_send_pci_access_msg(hdev, ARMCP_PACKET_DISABLE_PCI_ACCESS); if (rc) dev_err(hdev->dev, "Failed to disable PCI access from CPU\n"); @@ -2928,15 +2875,7 @@ int goya_suspend(struct hl_device *hdev) int goya_resume(struct hl_device *hdev) { - int rc; - - goya_resume_external_queues(hdev); - goya_resume_internal_queues(hdev); - - rc = goya_send_pci_access_msg(hdev, ARMCP_PACKET_ENABLE_PCI_ACCESS); - if (rc) - dev_err(hdev->dev, "Failed to enable PCI access from CPU\n"); - return rc; + return goya_init_iatu(hdev); } static int goya_cb_mmap(struct hl_device *hdev, struct vm_area_struct *vma, @@ -3070,7 +3009,7 @@ void *goya_get_int_queue_base(struct hl_device *hdev, u32 queue_id, *dma_handle = hdev->asic_prop.sram_base_address; - base = hdev->pcie_bar[SRAM_CFG_BAR_ID]; + base = (void *) hdev->pcie_bar[SRAM_CFG_BAR_ID]; switch (queue_id) { case GOYA_QUEUE_ID_MME: diff --git a/drivers/misc/habanalabs/habanalabs.h b/drivers/misc/habanalabs/habanalabs.h index a7c95e9f9b9a..a8ee52c880cd 100644 --- a/drivers/misc/habanalabs/habanalabs.h +++ b/drivers/misc/habanalabs/habanalabs.h @@ -793,11 +793,11 @@ struct hl_vm_hash_node { * struct hl_vm_phys_pg_pack - physical page pack. * @vm_type: describes the type of the virtual area descriptor. * @pages: the physical page array. + * @npages: num physical pages in the pack. + * @total_size: total size of all the pages in this list. * @mapping_cnt: number of shared mappings. * @asid: the context related to this list. - * @npages: num physical pages in the pack. * @page_size: size of each page in the pack. - * @total_size: total size of all the pages in this list. * @flags: HL_MEM_* flags related to this list. * @handle: the provided handle related to this list. * @offset: offset from the first page. @@ -807,11 +807,11 @@ struct hl_vm_hash_node { struct hl_vm_phys_pg_pack { enum vm_type_t vm_type; /* must be first */ u64 *pages; + u64 npages; + u64 total_size; atomic_t mapping_cnt; u32 asid; - u32 npages; u32 page_size; - u32 total_size; u32 flags; u32 handle; u32 offset; @@ -1056,13 +1056,15 @@ struct hl_device_reset_work { * @cb_pool_lock: protects the CB pool. * @user_ctx: current user context executing. * @dram_used_mem: current DRAM memory consumption. - * @in_reset: is device in reset flow. - * @curr_pll_profile: current PLL profile. - * @fd_open_cnt: number of open user processes. * @timeout_jiffies: device CS timeout value. * @max_power: the max power of the device, as configured by the sysadmin. This * value is saved so in case of hard-reset, KMD will restore this * value and update the F/W after the re-initialization + * @in_reset: is device in reset flow. + * @curr_pll_profile: current PLL profile. + * @fd_open_cnt: number of open user processes. + * @cs_active_cnt: number of active command submissions on this device (active + * means already in H/W queues) * @major: habanalabs KMD major. * @high_pll: high PLL profile frequency. * @soft_reset_cnt: number of soft reset since KMD loading. @@ -1128,11 +1130,12 @@ struct hl_device { struct hl_ctx *user_ctx; atomic64_t dram_used_mem; + u64 timeout_jiffies; + u64 max_power; atomic_t in_reset; atomic_t curr_pll_profile; atomic_t fd_open_cnt; - u64 timeout_jiffies; - u64 max_power; + atomic_t cs_active_cnt; u32 major; u32 high_pll; u32 soft_reset_cnt; diff --git a/drivers/misc/habanalabs/hw_queue.c b/drivers/misc/habanalabs/hw_queue.c index 67bece26417c..ef3bb6951360 100644 --- a/drivers/misc/habanalabs/hw_queue.c +++ b/drivers/misc/habanalabs/hw_queue.c @@ -370,12 +370,13 @@ int hl_hw_queue_schedule_cs(struct hl_cs *cs) spin_unlock(&hdev->hw_queues_mirror_lock); } - list_for_each_entry_safe(job, tmp, &cs->job_list, cs_node) { + atomic_inc(&hdev->cs_active_cnt); + + list_for_each_entry_safe(job, tmp, &cs->job_list, cs_node) if (job->ext_queue) ext_hw_queue_schedule_job(job); else int_hw_queue_schedule_job(job); - } cs->submitted = true; diff --git a/drivers/misc/habanalabs/memory.c b/drivers/misc/habanalabs/memory.c index 3a12fd1a5274..ce1fda40a8b8 100644 --- a/drivers/misc/habanalabs/memory.c +++ b/drivers/misc/habanalabs/memory.c @@ -56,9 +56,9 @@ static int alloc_device_memory(struct hl_ctx *ctx, struct hl_mem_in *args, struct hl_device *hdev = ctx->hdev; struct hl_vm *vm = &hdev->vm; struct hl_vm_phys_pg_pack *phys_pg_pack; - u64 paddr = 0; - u32 total_size, num_pgs, num_curr_pgs, page_size, page_shift; - int handle, rc, i; + u64 paddr = 0, total_size, num_pgs, i; + u32 num_curr_pgs, page_size, page_shift; + int handle, rc; bool contiguous; num_curr_pgs = 0; @@ -73,7 +73,7 @@ static int alloc_device_memory(struct hl_ctx *ctx, struct hl_mem_in *args, paddr = (u64) gen_pool_alloc(vm->dram_pg_pool, total_size); if (!paddr) { dev_err(hdev->dev, - "failed to allocate %u huge contiguous pages\n", + "failed to allocate %llu huge contiguous pages\n", num_pgs); return -ENOMEM; } @@ -93,7 +93,7 @@ static int alloc_device_memory(struct hl_ctx *ctx, struct hl_mem_in *args, phys_pg_pack->flags = args->flags; phys_pg_pack->contiguous = contiguous; - phys_pg_pack->pages = kcalloc(num_pgs, sizeof(u64), GFP_KERNEL); + phys_pg_pack->pages = kvmalloc_array(num_pgs, sizeof(u64), GFP_KERNEL); if (!phys_pg_pack->pages) { rc = -ENOMEM; goto pages_arr_err; @@ -148,7 +148,7 @@ page_err: gen_pool_free(vm->dram_pg_pool, phys_pg_pack->pages[i], page_size); - kfree(phys_pg_pack->pages); + kvfree(phys_pg_pack->pages); pages_arr_err: kfree(phys_pg_pack); pages_pack_err: @@ -267,7 +267,7 @@ static void free_phys_pg_pack(struct hl_device *hdev, struct hl_vm_phys_pg_pack *phys_pg_pack) { struct hl_vm *vm = &hdev->vm; - int i; + u64 i; if (!phys_pg_pack->created_from_userptr) { if (phys_pg_pack->contiguous) { @@ -288,7 +288,7 @@ static void free_phys_pg_pack(struct hl_device *hdev, } } - kfree(phys_pg_pack->pages); + kvfree(phys_pg_pack->pages); kfree(phys_pg_pack); } @@ -519,7 +519,7 @@ static inline int add_va_block(struct hl_device *hdev, * - Return the start address of the virtual block */ static u64 get_va_block(struct hl_device *hdev, - struct hl_va_range *va_range, u32 size, u64 hint_addr, + struct hl_va_range *va_range, u64 size, u64 hint_addr, bool is_userptr) { struct hl_vm_va_block *va_block, *new_va_block = NULL; @@ -577,7 +577,8 @@ static u64 get_va_block(struct hl_device *hdev, } if (!new_va_block) { - dev_err(hdev->dev, "no available va block for size %u\n", size); + dev_err(hdev->dev, "no available va block for size %llu\n", + size); goto out; } @@ -648,8 +649,8 @@ static int init_phys_pg_pack_from_userptr(struct hl_ctx *ctx, struct hl_vm_phys_pg_pack *phys_pg_pack; struct scatterlist *sg; dma_addr_t dma_addr; - u64 page_mask; - u32 npages, total_npages, page_size = PAGE_SIZE; + u64 page_mask, total_npages; + u32 npages, page_size = PAGE_SIZE; bool first = true, is_huge_page_opt = true; int rc, i, j; @@ -691,7 +692,8 @@ static int init_phys_pg_pack_from_userptr(struct hl_ctx *ctx, page_mask = ~(((u64) page_size) - 1); - phys_pg_pack->pages = kcalloc(total_npages, sizeof(u64), GFP_KERNEL); + phys_pg_pack->pages = kvmalloc_array(total_npages, sizeof(u64), + GFP_KERNEL); if (!phys_pg_pack->pages) { rc = -ENOMEM; goto page_pack_arr_mem_err; @@ -750,9 +752,9 @@ static int map_phys_page_pack(struct hl_ctx *ctx, u64 vaddr, struct hl_vm_phys_pg_pack *phys_pg_pack) { struct hl_device *hdev = ctx->hdev; - u64 next_vaddr = vaddr, paddr; + u64 next_vaddr = vaddr, paddr, mapped_pg_cnt = 0, i; u32 page_size = phys_pg_pack->page_size; - int i, rc = 0, mapped_pg_cnt = 0; + int rc = 0; for (i = 0 ; i < phys_pg_pack->npages ; i++) { paddr = phys_pg_pack->pages[i]; @@ -764,7 +766,7 @@ static int map_phys_page_pack(struct hl_ctx *ctx, u64 vaddr, rc = hl_mmu_map(ctx, next_vaddr, paddr, page_size); if (rc) { dev_err(hdev->dev, - "map failed for handle %u, npages: %d, mapped: %d", + "map failed for handle %u, npages: %llu, mapped: %llu", phys_pg_pack->handle, phys_pg_pack->npages, mapped_pg_cnt); goto err; @@ -985,10 +987,10 @@ static int unmap_device_va(struct hl_ctx *ctx, u64 vaddr) struct hl_vm_hash_node *hnode = NULL; struct hl_userptr *userptr = NULL; enum vm_type_t *vm_type; - u64 next_vaddr; + u64 next_vaddr, i; u32 page_size; bool is_userptr; - int i, rc; + int rc; /* protect from double entrance */ mutex_lock(&ctx->mem_hash_lock); diff --git a/drivers/misc/habanalabs/mmu.c b/drivers/misc/habanalabs/mmu.c index 2f2e99cb2743..3a5a2cec8305 100644 --- a/drivers/misc/habanalabs/mmu.c +++ b/drivers/misc/habanalabs/mmu.c @@ -832,7 +832,7 @@ err: int hl_mmu_map(struct hl_ctx *ctx, u64 virt_addr, u64 phys_addr, u32 page_size) { struct hl_device *hdev = ctx->hdev; - u64 real_virt_addr; + u64 real_virt_addr, real_phys_addr; u32 real_page_size, npages; int i, rc, mapped_cnt = 0; @@ -857,14 +857,16 @@ int hl_mmu_map(struct hl_ctx *ctx, u64 virt_addr, u64 phys_addr, u32 page_size) npages = page_size / real_page_size; real_virt_addr = virt_addr; + real_phys_addr = phys_addr; for (i = 0 ; i < npages ; i++) { - rc = _hl_mmu_map(ctx, real_virt_addr, phys_addr, + rc = _hl_mmu_map(ctx, real_virt_addr, real_phys_addr, real_page_size); if (rc) goto err; real_virt_addr += real_page_size; + real_phys_addr += real_page_size; mapped_cnt++; } diff --git a/drivers/mmc/host/alcor.c b/drivers/mmc/host/alcor.c index c712b7deb3a9..82a97866e0cf 100644 --- a/drivers/mmc/host/alcor.c +++ b/drivers/mmc/host/alcor.c @@ -1044,14 +1044,27 @@ static void alcor_init_mmc(struct alcor_sdmmc_host *host) mmc->caps2 = MMC_CAP2_NO_SDIO; mmc->ops = &alcor_sdc_ops; - /* Hardware cannot do scatter lists */ + /* The hardware does DMA data transfer of 4096 bytes to/from a single + * buffer address. Scatterlists are not supported, but upon DMA + * completion (signalled via IRQ), the original vendor driver does + * then immediately set up another DMA transfer of the next 4096 + * bytes. + * + * This means that we need to handle the I/O in 4096 byte chunks. + * Lacking a way to limit the sglist entries to 4096 bytes, we instead + * impose that only one segment is provided, with maximum size 4096, + * which also happens to be the minimum size. This means that the + * single-entry sglist handled by this driver can be handed directly + * to the hardware, nice and simple. + * + * Unfortunately though, that means we only do 4096 bytes I/O per + * MMC command. A future improvement would be to make the driver + * accept sg lists and entries of any size, and simply iterate + * through them 4096 bytes at a time. + */ mmc->max_segs = AU6601_MAX_DMA_SEGMENTS; mmc->max_seg_size = AU6601_MAX_DMA_BLOCK_SIZE; - - mmc->max_blk_size = mmc->max_seg_size; - mmc->max_blk_count = mmc->max_segs; - - mmc->max_req_size = mmc->max_seg_size * mmc->max_segs; + mmc->max_req_size = mmc->max_seg_size; } static int alcor_pci_sdmmc_drv_probe(struct platform_device *pdev) diff --git a/drivers/mmc/host/davinci_mmc.c b/drivers/mmc/host/davinci_mmc.c index 49e0daf2ef5e..f37003df1e01 100644 --- a/drivers/mmc/host/davinci_mmc.c +++ b/drivers/mmc/host/davinci_mmc.c @@ -1117,7 +1117,7 @@ static inline void mmc_davinci_cpufreq_deregister(struct mmc_davinci_host *host) { } #endif -static void __init init_mmcsd_host(struct mmc_davinci_host *host) +static void init_mmcsd_host(struct mmc_davinci_host *host) { mmc_davinci_reset_ctrl(host, 1); diff --git a/drivers/mmc/host/mxcmmc.c b/drivers/mmc/host/mxcmmc.c index d54612257b06..45f7b9b53d48 100644 --- a/drivers/mmc/host/mxcmmc.c +++ b/drivers/mmc/host/mxcmmc.c @@ -290,11 +290,8 @@ static void mxcmci_swap_buffers(struct mmc_data *data) struct scatterlist *sg; int i; - for_each_sg(data->sg, sg, data->sg_len, i) { - void *buf = kmap_atomic(sg_page(sg) + sg->offset); - buffer_swap32(buf, sg->length); - kunmap_atomic(buf); - } + for_each_sg(data->sg, sg, data->sg_len, i) + buffer_swap32(sg_virt(sg), sg->length); } #else static inline void mxcmci_swap_buffers(struct mmc_data *data) {} @@ -611,7 +608,6 @@ static int mxcmci_transfer_data(struct mxcmci_host *host) { struct mmc_data *data = host->req->data; struct scatterlist *sg; - void *buf; int stat, i; host->data = data; @@ -619,18 +615,14 @@ static int mxcmci_transfer_data(struct mxcmci_host *host) if (data->flags & MMC_DATA_READ) { for_each_sg(data->sg, sg, data->sg_len, i) { - buf = kmap_atomic(sg_page(sg) + sg->offset); - stat = mxcmci_pull(host, buf, sg->length); - kunmap(buf); + stat = mxcmci_pull(host, sg_virt(sg), sg->length); if (stat) return stat; host->datasize += sg->length; } } else { for_each_sg(data->sg, sg, data->sg_len, i) { - buf = kmap_atomic(sg_page(sg) + sg->offset); - stat = mxcmci_push(host, buf, sg->length); - kunmap(buf); + stat = mxcmci_push(host, sg_virt(sg), sg->length); if (stat) return stat; host->datasize += sg->length; diff --git a/drivers/mmc/host/pxamci.c b/drivers/mmc/host/pxamci.c index c907bf502a12..c1d3f0e38921 100644 --- a/drivers/mmc/host/pxamci.c +++ b/drivers/mmc/host/pxamci.c @@ -162,7 +162,7 @@ static void pxamci_dma_irq(void *param); static void pxamci_setup_data(struct pxamci_host *host, struct mmc_data *data) { struct dma_async_tx_descriptor *tx; - enum dma_data_direction direction; + enum dma_transfer_direction direction; struct dma_slave_config config; struct dma_chan *chan; unsigned int nob = data->blocks; diff --git a/drivers/mmc/host/renesas_sdhi_core.c b/drivers/mmc/host/renesas_sdhi_core.c index 71e13844df6c..8742e27e4e8b 100644 --- a/drivers/mmc/host/renesas_sdhi_core.c +++ b/drivers/mmc/host/renesas_sdhi_core.c @@ -641,6 +641,7 @@ int renesas_sdhi_probe(struct platform_device *pdev, struct renesas_sdhi *priv; struct resource *res; int irq, ret, i; + u16 ver; of_data = of_device_get_match_data(&pdev->dev); @@ -773,12 +774,17 @@ int renesas_sdhi_probe(struct platform_device *pdev, if (ret) goto efree; + ver = sd_ctrl_read16(host, CTL_VERSION); + /* GEN2_SDR104 is first known SDHI to use 32bit block count */ + if (ver < SDHI_VER_GEN2_SDR104 && mmc_data->max_blk_count > U16_MAX) + mmc_data->max_blk_count = U16_MAX; + ret = tmio_mmc_host_probe(host); if (ret < 0) goto edisclk; /* One Gen2 SDHI incarnation does NOT have a CBSY bit */ - if (sd_ctrl_read16(host, CTL_VERSION) == SDHI_VER_GEN2_SDR50) + if (ver == SDHI_VER_GEN2_SDR50) mmc_data->flags &= ~TMIO_MMC_HAVE_CBSY; /* Enable tuning iff we have an SCC and a supported mode */ diff --git a/drivers/mmc/host/sdhci-omap.c b/drivers/mmc/host/sdhci-omap.c index b1a66ca3821a..5bbed477c9b1 100644 --- a/drivers/mmc/host/sdhci-omap.c +++ b/drivers/mmc/host/sdhci-omap.c @@ -1056,6 +1056,9 @@ static int sdhci_omap_probe(struct platform_device *pdev) mmc->f_max = 48000000; } + if (!mmc_can_gpio_ro(mmc)) + mmc->caps2 |= MMC_CAP2_NO_WRITE_PROTECT; + pltfm_host->clk = devm_clk_get(dev, "fck"); if (IS_ERR(pltfm_host->clk)) { ret = PTR_ERR(pltfm_host->clk); diff --git a/drivers/net/Kconfig b/drivers/net/Kconfig index 5e4ca082cfcd..7a96d168efc4 100644 --- a/drivers/net/Kconfig +++ b/drivers/net/Kconfig @@ -216,8 +216,8 @@ config GENEVE config GTP tristate "GPRS Tunneling Protocol datapath (GTP-U)" - depends on INET && NET_UDP_TUNNEL - select NET_IP_TUNNEL + depends on INET + select NET_UDP_TUNNEL ---help--- This allows one to create gtp virtual interfaces that provide the GPRS Tunneling Protocol datapath (GTP-U). This tunneling protocol diff --git a/drivers/net/dsa/qca8k.c b/drivers/net/dsa/qca8k.c index 576b37d12a63..c4fa400efdcc 100644 --- a/drivers/net/dsa/qca8k.c +++ b/drivers/net/dsa/qca8k.c @@ -481,6 +481,155 @@ qca8k_port_set_status(struct qca8k_priv *priv, int port, int enable) qca8k_reg_clear(priv, QCA8K_REG_PORT_STATUS(port), mask); } +static u32 +qca8k_port_to_phy(int port) +{ + /* From Andrew Lunn: + * Port 0 has no internal phy. + * Port 1 has an internal PHY at MDIO address 0. + * Port 2 has an internal PHY at MDIO address 1. + * ... + * Port 5 has an internal PHY at MDIO address 4. + * Port 6 has no internal PHY. + */ + + return port - 1; +} + +static int +qca8k_mdio_write(struct qca8k_priv *priv, int port, u32 regnum, u16 data) +{ + u32 phy, val; + + if (regnum >= QCA8K_MDIO_MASTER_MAX_REG) + return -EINVAL; + + /* callee is responsible for not passing bad ports, + * but we still would like to make spills impossible. + */ + phy = qca8k_port_to_phy(port) % PHY_MAX_ADDR; + val = QCA8K_MDIO_MASTER_BUSY | QCA8K_MDIO_MASTER_EN | + QCA8K_MDIO_MASTER_WRITE | QCA8K_MDIO_MASTER_PHY_ADDR(phy) | + QCA8K_MDIO_MASTER_REG_ADDR(regnum) | + QCA8K_MDIO_MASTER_DATA(data); + + qca8k_write(priv, QCA8K_MDIO_MASTER_CTRL, val); + + return qca8k_busy_wait(priv, QCA8K_MDIO_MASTER_CTRL, + QCA8K_MDIO_MASTER_BUSY); +} + +static int +qca8k_mdio_read(struct qca8k_priv *priv, int port, u32 regnum) +{ + u32 phy, val; + + if (regnum >= QCA8K_MDIO_MASTER_MAX_REG) + return -EINVAL; + + /* callee is responsible for not passing bad ports, + * but we still would like to make spills impossible. + */ + phy = qca8k_port_to_phy(port) % PHY_MAX_ADDR; + val = QCA8K_MDIO_MASTER_BUSY | QCA8K_MDIO_MASTER_EN | + QCA8K_MDIO_MASTER_READ | QCA8K_MDIO_MASTER_PHY_ADDR(phy) | + QCA8K_MDIO_MASTER_REG_ADDR(regnum); + + qca8k_write(priv, QCA8K_MDIO_MASTER_CTRL, val); + + if (qca8k_busy_wait(priv, QCA8K_MDIO_MASTER_CTRL, + QCA8K_MDIO_MASTER_BUSY)) + return -ETIMEDOUT; + + val = (qca8k_read(priv, QCA8K_MDIO_MASTER_CTRL) & + QCA8K_MDIO_MASTER_DATA_MASK); + + return val; +} + +static int +qca8k_phy_write(struct dsa_switch *ds, int port, int regnum, u16 data) +{ + struct qca8k_priv *priv = ds->priv; + + return qca8k_mdio_write(priv, port, regnum, data); +} + +static int +qca8k_phy_read(struct dsa_switch *ds, int port, int regnum) +{ + struct qca8k_priv *priv = ds->priv; + int ret; + + ret = qca8k_mdio_read(priv, port, regnum); + + if (ret < 0) + return 0xffff; + + return ret; +} + +static int +qca8k_setup_mdio_bus(struct qca8k_priv *priv) +{ + u32 internal_mdio_mask = 0, external_mdio_mask = 0, reg; + struct device_node *ports, *port; + int err; + + ports = of_get_child_by_name(priv->dev->of_node, "ports"); + if (!ports) + return -EINVAL; + + for_each_available_child_of_node(ports, port) { + err = of_property_read_u32(port, "reg", ®); + if (err) + return err; + + if (!dsa_is_user_port(priv->ds, reg)) + continue; + + if (of_property_read_bool(port, "phy-handle")) + external_mdio_mask |= BIT(reg); + else + internal_mdio_mask |= BIT(reg); + } + + if (!external_mdio_mask && !internal_mdio_mask) { + dev_err(priv->dev, "no PHYs are defined.\n"); + return -EINVAL; + } + + /* The QCA8K_MDIO_MASTER_EN Bit, which grants access to PHYs through + * the MDIO_MASTER register also _disconnects_ the external MDC + * passthrough to the internal PHYs. It's not possible to use both + * configurations at the same time! + * + * Because this came up during the review process: + * If the external mdio-bus driver is capable magically disabling + * the QCA8K_MDIO_MASTER_EN and mutex/spin-locking out the qca8k's + * accessors for the time being, it would be possible to pull this + * off. + */ + if (!!external_mdio_mask && !!internal_mdio_mask) { + dev_err(priv->dev, "either internal or external mdio bus configuration is supported.\n"); + return -EINVAL; + } + + if (external_mdio_mask) { + /* Make sure to disable the internal mdio bus in cases + * a dt-overlay and driver reload changed the configuration + */ + + qca8k_reg_clear(priv, QCA8K_MDIO_MASTER_CTRL, + QCA8K_MDIO_MASTER_EN); + return 0; + } + + priv->ops.phy_read = qca8k_phy_read; + priv->ops.phy_write = qca8k_phy_write; + return 0; +} + static int qca8k_setup(struct dsa_switch *ds) { @@ -502,6 +651,10 @@ qca8k_setup(struct dsa_switch *ds) if (IS_ERR(priv->regmap)) pr_warn("regmap initialization failed"); + ret = qca8k_setup_mdio_bus(priv); + if (ret) + return ret; + /* Initialize CPU port pad mode (xMII type, delays...) */ phy_mode = of_get_phy_mode(ds->ports[QCA8K_CPU_PORT].dn); if (phy_mode < 0) { @@ -624,22 +777,6 @@ qca8k_adjust_link(struct dsa_switch *ds, int port, struct phy_device *phy) qca8k_port_set_status(priv, port, 1); } -static int -qca8k_phy_read(struct dsa_switch *ds, int phy, int regnum) -{ - struct qca8k_priv *priv = (struct qca8k_priv *)ds->priv; - - return mdiobus_read(priv->bus, phy, regnum); -} - -static int -qca8k_phy_write(struct dsa_switch *ds, int phy, int regnum, u16 val) -{ - struct qca8k_priv *priv = (struct qca8k_priv *)ds->priv; - - return mdiobus_write(priv->bus, phy, regnum, val); -} - static void qca8k_get_strings(struct dsa_switch *ds, int port, u32 stringset, uint8_t *data) { @@ -879,8 +1016,6 @@ static const struct dsa_switch_ops qca8k_switch_ops = { .setup = qca8k_setup, .adjust_link = qca8k_adjust_link, .get_strings = qca8k_get_strings, - .phy_read = qca8k_phy_read, - .phy_write = qca8k_phy_write, .get_ethtool_stats = qca8k_get_ethtool_stats, .get_sset_count = qca8k_get_sset_count, .get_mac_eee = qca8k_get_mac_eee, @@ -923,7 +1058,8 @@ qca8k_sw_probe(struct mdio_device *mdiodev) return -ENOMEM; priv->ds->priv = priv; - priv->ds->ops = &qca8k_switch_ops; + priv->ops = qca8k_switch_ops; + priv->ds->ops = &priv->ops; mutex_init(&priv->reg_mutex); dev_set_drvdata(&mdiodev->dev, priv); diff --git a/drivers/net/dsa/qca8k.h b/drivers/net/dsa/qca8k.h index d146e54c8a6c..249fd62268e5 100644 --- a/drivers/net/dsa/qca8k.h +++ b/drivers/net/dsa/qca8k.h @@ -49,6 +49,18 @@ #define QCA8K_MIB_FLUSH BIT(24) #define QCA8K_MIB_CPU_KEEP BIT(20) #define QCA8K_MIB_BUSY BIT(17) +#define QCA8K_MDIO_MASTER_CTRL 0x3c +#define QCA8K_MDIO_MASTER_BUSY BIT(31) +#define QCA8K_MDIO_MASTER_EN BIT(30) +#define QCA8K_MDIO_MASTER_READ BIT(27) +#define QCA8K_MDIO_MASTER_WRITE 0 +#define QCA8K_MDIO_MASTER_SUP_PRE BIT(26) +#define QCA8K_MDIO_MASTER_PHY_ADDR(x) ((x) << 21) +#define QCA8K_MDIO_MASTER_REG_ADDR(x) ((x) << 16) +#define QCA8K_MDIO_MASTER_DATA(x) (x) +#define QCA8K_MDIO_MASTER_DATA_MASK GENMASK(15, 0) +#define QCA8K_MDIO_MASTER_MAX_PORTS 5 +#define QCA8K_MDIO_MASTER_MAX_REG 32 #define QCA8K_GOL_MAC_ADDR0 0x60 #define QCA8K_GOL_MAC_ADDR1 0x64 #define QCA8K_REG_PORT_STATUS(_i) (0x07c + (_i) * 4) @@ -169,6 +181,7 @@ struct qca8k_priv { struct dsa_switch *ds; struct mutex reg_mutex; struct device *dev; + struct dsa_switch_ops ops; }; struct qca8k_mib_desc { diff --git a/drivers/net/ethernet/3com/3c515.c b/drivers/net/ethernet/3com/3c515.c index 808abb6b3671..b15752267c8d 100644 --- a/drivers/net/ethernet/3com/3c515.c +++ b/drivers/net/ethernet/3com/3c515.c @@ -1521,7 +1521,7 @@ static void update_stats(int ioaddr, struct net_device *dev) static void set_rx_mode(struct net_device *dev) { int ioaddr = dev->base_addr; - short new_mode; + unsigned short new_mode; if (dev->flags & IFF_PROMISC) { if (corkscrew_debug > 3) diff --git a/drivers/net/ethernet/8390/mac8390.c b/drivers/net/ethernet/8390/mac8390.c index 342ae08ec3c2..d60a86aa8aa8 100644 --- a/drivers/net/ethernet/8390/mac8390.c +++ b/drivers/net/ethernet/8390/mac8390.c @@ -153,8 +153,6 @@ static void dayna_block_input(struct net_device *dev, int count, static void dayna_block_output(struct net_device *dev, int count, const unsigned char *buf, int start_page); -#define memcmp_withio(a, b, c) memcmp((a), (void *)(b), (c)) - /* Slow Sane (16-bit chunk memory read/write) Cabletron uses this */ static void slow_sane_get_8390_hdr(struct net_device *dev, struct e8390_pkt_hdr *hdr, int ring_page); @@ -233,19 +231,26 @@ static enum mac8390_type mac8390_ident(struct nubus_rsrc *fres) static enum mac8390_access mac8390_testio(unsigned long membase) { - unsigned long outdata = 0xA5A0B5B0; - unsigned long indata = 0x00000000; + u32 outdata = 0xA5A0B5B0; + u32 indata = 0; + /* Try writing 32 bits */ - memcpy_toio((void __iomem *)membase, &outdata, 4); - /* Now compare them */ - if (memcmp_withio(&outdata, membase, 4) == 0) + nubus_writel(outdata, membase); + /* Now read it back */ + indata = nubus_readl(membase); + if (outdata == indata) return ACCESS_32; + + outdata = 0xC5C0D5D0; + indata = 0; + /* Write 16 bit output */ word_memcpy_tocard(membase, &outdata, 4); /* Now read it back */ word_memcpy_fromcard(&indata, membase, 4); if (outdata == indata) return ACCESS_16; + return ACCESS_UNKNOWN; } diff --git a/drivers/net/ethernet/aquantia/atlantic/aq_ring.c b/drivers/net/ethernet/aquantia/atlantic/aq_ring.c index 74550ccc7a20..e2ffb159cbe2 100644 --- a/drivers/net/ethernet/aquantia/atlantic/aq_ring.c +++ b/drivers/net/ethernet/aquantia/atlantic/aq_ring.c @@ -186,11 +186,12 @@ static void aq_rx_checksum(struct aq_ring_s *self, } if (buff->is_ip_cso) { __skb_incr_checksum_unnecessary(skb); - if (buff->is_udp_cso || buff->is_tcp_cso) - __skb_incr_checksum_unnecessary(skb); } else { skb->ip_summed = CHECKSUM_NONE; } + + if (buff->is_udp_cso || buff->is_tcp_cso) + __skb_incr_checksum_unnecessary(skb); } #define AQ_SKB_ALIGN SKB_DATA_ALIGN(sizeof(struct skb_shared_info)) diff --git a/drivers/net/ethernet/cadence/macb_main.c b/drivers/net/ethernet/cadence/macb_main.c index ad099fd01b45..1522aee81884 100644 --- a/drivers/net/ethernet/cadence/macb_main.c +++ b/drivers/net/ethernet/cadence/macb_main.c @@ -3370,14 +3370,20 @@ static int macb_clk_init(struct platform_device *pdev, struct clk **pclk, *hclk = devm_clk_get(&pdev->dev, "hclk"); } - if (IS_ERR(*pclk)) { + if (IS_ERR_OR_NULL(*pclk)) { err = PTR_ERR(*pclk); + if (!err) + err = -ENODEV; + dev_err(&pdev->dev, "failed to get macb_clk (%u)\n", err); return err; } - if (IS_ERR(*hclk)) { + if (IS_ERR_OR_NULL(*hclk)) { err = PTR_ERR(*hclk); + if (!err) + err = -ENODEV; + dev_err(&pdev->dev, "failed to get hclk (%u)\n", err); return err; } diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_debugfs.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_debugfs.c index 3130b43bba52..02959035ed3f 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_debugfs.c +++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_debugfs.c @@ -2620,7 +2620,7 @@ static inline struct port_info *ethqset2pinfo(struct adapter *adap, int qset) } /* should never happen! */ - BUG_ON(1); + BUG(); return NULL; } diff --git a/drivers/net/ethernet/chelsio/cxgb4/sge.c b/drivers/net/ethernet/chelsio/cxgb4/sge.c index 88773ca58e6b..b3da81e90132 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/sge.c +++ b/drivers/net/ethernet/chelsio/cxgb4/sge.c @@ -476,7 +476,7 @@ static inline int get_buf_size(struct adapter *adapter, break; default: - BUG_ON(1); + BUG(); } return buf_size; diff --git a/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c b/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c index 2ba49e959c3f..dc339dc1adb2 100644 --- a/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c +++ b/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c @@ -815,6 +815,14 @@ static netdev_tx_t dpaa2_eth_tx(struct sk_buff *skb, struct net_device *net_dev) */ queue_mapping = skb_get_queue_mapping(skb); fq = &priv->fq[queue_mapping]; + + fd_len = dpaa2_fd_get_len(&fd); + nq = netdev_get_tx_queue(net_dev, queue_mapping); + netdev_tx_sent_queue(nq, fd_len); + + /* Everything that happens after this enqueues might race with + * the Tx confirmation callback for this frame + */ for (i = 0; i < DPAA2_ETH_ENQUEUE_RETRIES; i++) { err = priv->enqueue(priv, fq, &fd, 0); if (err != -EBUSY) @@ -825,13 +833,10 @@ static netdev_tx_t dpaa2_eth_tx(struct sk_buff *skb, struct net_device *net_dev) percpu_stats->tx_errors++; /* Clean up everything, including freeing the skb */ free_tx_fd(priv, fq, &fd, false); + netdev_tx_completed_queue(nq, 1, fd_len); } else { - fd_len = dpaa2_fd_get_len(&fd); percpu_stats->tx_packets++; percpu_stats->tx_bytes += fd_len; - - nq = netdev_get_tx_queue(net_dev, queue_mapping); - netdev_tx_sent_queue(nq, fd_len); } return NETDEV_TX_OK; @@ -1817,7 +1822,7 @@ static int dpaa2_eth_xdp_xmit_frame(struct net_device *net_dev, dpaa2_fd_set_format(&fd, dpaa2_fd_single); dpaa2_fd_set_ctrl(&fd, FD_CTRL_PTA); - fq = &priv->fq[smp_processor_id()]; + fq = &priv->fq[smp_processor_id() % dpaa2_eth_queue_count(priv)]; for (i = 0; i < DPAA2_ETH_ENQUEUE_RETRIES; i++) { err = priv->enqueue(priv, fq, &fd, 0); if (err != -EBUSY) diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c index 1c1f17ec6be2..162cb9afa0e7 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c @@ -22,6 +22,7 @@ #include "hns3_enet.h" #define hns3_set_field(origin, shift, val) ((origin) |= ((val) << (shift))) +#define hns3_tx_bd_count(S) DIV_ROUND_UP(S, HNS3_MAX_BD_SIZE) static void hns3_clear_all_ring(struct hnae3_handle *h); static void hns3_force_clear_all_rx_ring(struct hnae3_handle *h); @@ -1079,7 +1080,7 @@ static int hns3_fill_desc(struct hns3_enet_ring *ring, void *priv, desc_cb->length = size; - frag_buf_num = (size + HNS3_MAX_BD_SIZE - 1) >> HNS3_MAX_BD_SIZE_OFFSET; + frag_buf_num = hns3_tx_bd_count(size); sizeoflast = size & HNS3_TX_LAST_SIZE_M; sizeoflast = sizeoflast ? sizeoflast : HNS3_MAX_BD_SIZE; @@ -1124,14 +1125,13 @@ static int hns3_nic_maybe_stop_tso(struct sk_buff **out_skb, int *bnum, int i; size = skb_headlen(skb); - buf_num = (size + HNS3_MAX_BD_SIZE - 1) >> HNS3_MAX_BD_SIZE_OFFSET; + buf_num = hns3_tx_bd_count(size); frag_num = skb_shinfo(skb)->nr_frags; for (i = 0; i < frag_num; i++) { frag = &skb_shinfo(skb)->frags[i]; size = skb_frag_size(frag); - bdnum_for_frag = (size + HNS3_MAX_BD_SIZE - 1) >> - HNS3_MAX_BD_SIZE_OFFSET; + bdnum_for_frag = hns3_tx_bd_count(size); if (unlikely(bdnum_for_frag > HNS3_MAX_BD_PER_FRAG)) return -ENOMEM; @@ -1139,8 +1139,7 @@ static int hns3_nic_maybe_stop_tso(struct sk_buff **out_skb, int *bnum, } if (unlikely(buf_num > HNS3_MAX_BD_PER_FRAG)) { - buf_num = (skb->len + HNS3_MAX_BD_SIZE - 1) >> - HNS3_MAX_BD_SIZE_OFFSET; + buf_num = hns3_tx_bd_count(skb->len); if (ring_space(ring) < buf_num) return -EBUSY; /* manual split the send packet */ @@ -1169,7 +1168,7 @@ static int hns3_nic_maybe_stop_tx(struct sk_buff **out_skb, int *bnum, buf_num = skb_shinfo(skb)->nr_frags + 1; if (unlikely(buf_num > HNS3_MAX_BD_PER_FRAG)) { - buf_num = (skb->len + HNS3_MAX_BD_SIZE - 1) / HNS3_MAX_BD_SIZE; + buf_num = hns3_tx_bd_count(skb->len); if (ring_space(ring) < buf_num) return -EBUSY; /* manual split the send packet */ diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.h b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.h index 1db0bd41d209..75669cd0c311 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.h +++ b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.h @@ -193,7 +193,6 @@ enum hns3_nic_state { #define HNS3_VECTOR_INITED 1 #define HNS3_MAX_BD_SIZE 65535 -#define HNS3_MAX_BD_SIZE_OFFSET 16 #define HNS3_MAX_BD_PER_FRAG 8 #define HNS3_MAX_BD_PER_PKT MAX_SKB_FRAGS diff --git a/drivers/net/ethernet/ibm/ehea/ehea_main.c b/drivers/net/ethernet/ibm/ehea/ehea_main.c index 3baabdc89726..90b62c1412c8 100644 --- a/drivers/net/ethernet/ibm/ehea/ehea_main.c +++ b/drivers/net/ethernet/ibm/ehea/ehea_main.c @@ -3160,6 +3160,7 @@ static ssize_t ehea_probe_port(struct device *dev, if (ehea_add_adapter_mr(adapter)) { pr_err("creating MR failed\n"); + of_node_put(eth_dn); return -EIO; } diff --git a/drivers/net/ethernet/mellanox/mlx5/core/qp.c b/drivers/net/ethernet/mellanox/mlx5/core/qp.c index 370ca94b6775..b8ba74de9555 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/qp.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/qp.c @@ -40,6 +40,9 @@ #include "mlx5_core.h" #include "lib/eq.h" +static int mlx5_core_drain_dct(struct mlx5_core_dev *dev, + struct mlx5_core_dct *dct); + static struct mlx5_core_rsc_common * mlx5_get_rsc(struct mlx5_qp_table *table, u32 rsn) { @@ -227,20 +230,49 @@ static void destroy_resource_common(struct mlx5_core_dev *dev, wait_for_completion(&qp->common.free); } +static int _mlx5_core_destroy_dct(struct mlx5_core_dev *dev, + struct mlx5_core_dct *dct, bool need_cleanup) +{ + u32 out[MLX5_ST_SZ_DW(destroy_dct_out)] = {0}; + u32 in[MLX5_ST_SZ_DW(destroy_dct_in)] = {0}; + struct mlx5_core_qp *qp = &dct->mqp; + int err; + + err = mlx5_core_drain_dct(dev, dct); + if (err) { + if (dev->state == MLX5_DEVICE_STATE_INTERNAL_ERROR) { + goto destroy; + } else { + mlx5_core_warn( + dev, "failed drain DCT 0x%x with error 0x%x\n", + qp->qpn, err); + return err; + } + } + wait_for_completion(&dct->drained); +destroy: + if (need_cleanup) + destroy_resource_common(dev, &dct->mqp); + MLX5_SET(destroy_dct_in, in, opcode, MLX5_CMD_OP_DESTROY_DCT); + MLX5_SET(destroy_dct_in, in, dctn, qp->qpn); + MLX5_SET(destroy_dct_in, in, uid, qp->uid); + err = mlx5_cmd_exec(dev, (void *)&in, sizeof(in), + (void *)&out, sizeof(out)); + return err; +} + int mlx5_core_create_dct(struct mlx5_core_dev *dev, struct mlx5_core_dct *dct, - u32 *in, int inlen) + u32 *in, int inlen, + u32 *out, int outlen) { - u32 out[MLX5_ST_SZ_DW(create_dct_out)] = {0}; - u32 din[MLX5_ST_SZ_DW(destroy_dct_in)] = {0}; - u32 dout[MLX5_ST_SZ_DW(destroy_dct_out)] = {0}; struct mlx5_core_qp *qp = &dct->mqp; int err; init_completion(&dct->drained); MLX5_SET(create_dct_in, in, opcode, MLX5_CMD_OP_CREATE_DCT); - err = mlx5_cmd_exec(dev, in, inlen, &out, sizeof(out)); + err = mlx5_cmd_exec(dev, in, inlen, out, outlen); if (err) { mlx5_core_warn(dev, "create DCT failed, ret %d\n", err); return err; @@ -254,11 +286,7 @@ int mlx5_core_create_dct(struct mlx5_core_dev *dev, return 0; err_cmd: - MLX5_SET(destroy_dct_in, din, opcode, MLX5_CMD_OP_DESTROY_DCT); - MLX5_SET(destroy_dct_in, din, dctn, qp->qpn); - MLX5_SET(destroy_dct_in, din, uid, qp->uid); - mlx5_cmd_exec(dev, (void *)&in, sizeof(din), - (void *)&out, sizeof(dout)); + _mlx5_core_destroy_dct(dev, dct, false); return err; } EXPORT_SYMBOL_GPL(mlx5_core_create_dct); @@ -323,29 +351,7 @@ static int mlx5_core_drain_dct(struct mlx5_core_dev *dev, int mlx5_core_destroy_dct(struct mlx5_core_dev *dev, struct mlx5_core_dct *dct) { - u32 out[MLX5_ST_SZ_DW(destroy_dct_out)] = {0}; - u32 in[MLX5_ST_SZ_DW(destroy_dct_in)] = {0}; - struct mlx5_core_qp *qp = &dct->mqp; - int err; - - err = mlx5_core_drain_dct(dev, dct); - if (err) { - if (dev->state == MLX5_DEVICE_STATE_INTERNAL_ERROR) { - goto destroy; - } else { - mlx5_core_warn(dev, "failed drain DCT 0x%x with error 0x%x\n", qp->qpn, err); - return err; - } - } - wait_for_completion(&dct->drained); -destroy: - destroy_resource_common(dev, &dct->mqp); - MLX5_SET(destroy_dct_in, in, opcode, MLX5_CMD_OP_DESTROY_DCT); - MLX5_SET(destroy_dct_in, in, dctn, qp->qpn); - MLX5_SET(destroy_dct_in, in, uid, qp->uid); - err = mlx5_cmd_exec(dev, (void *)&in, sizeof(in), - (void *)&out, sizeof(out)); - return err; + return _mlx5_core_destroy_dct(dev, dct, true); } EXPORT_SYMBOL_GPL(mlx5_core_destroy_dct); diff --git a/drivers/net/ethernet/mellanox/mlxsw/core_env.c b/drivers/net/ethernet/mellanox/mlxsw/core_env.c index 7a15e932ed2f..c1c1965d7acc 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/core_env.c +++ b/drivers/net/ethernet/mellanox/mlxsw/core_env.c @@ -113,7 +113,7 @@ int mlxsw_env_module_temp_thresholds_get(struct mlxsw_core *core, int module, return 0; default: /* Do not consider thresholds for zero temperature. */ - if (!MLXSW_REG_MTMP_TEMP_TO_MC(module_temp)) { + if (MLXSW_REG_MTMP_TEMP_TO_MC(module_temp) == 0) { *temp = 0; return 0; } diff --git a/drivers/net/ethernet/micrel/ks8851.c b/drivers/net/ethernet/micrel/ks8851.c index bd6e9014bc74..7849119d407a 100644 --- a/drivers/net/ethernet/micrel/ks8851.c +++ b/drivers/net/ethernet/micrel/ks8851.c @@ -142,6 +142,12 @@ struct ks8851_net { static int msg_enable; +/* SPI frame opcodes */ +#define KS_SPIOP_RD (0x00) +#define KS_SPIOP_WR (0x40) +#define KS_SPIOP_RXFIFO (0x80) +#define KS_SPIOP_TXFIFO (0xC0) + /* shift for byte-enable data */ #define BYTE_EN(_x) ((_x) << 2) @@ -535,9 +541,8 @@ static void ks8851_rx_pkts(struct ks8851_net *ks) /* set dma read address */ ks8851_wrreg16(ks, KS_RXFDPR, RXFDPR_RXFPAI | 0x00); - /* start the packet dma process, and set auto-dequeue rx */ - ks8851_wrreg16(ks, KS_RXQCR, - ks->rc_rxqcr | RXQCR_SDA | RXQCR_ADRFE); + /* start DMA access */ + ks8851_wrreg16(ks, KS_RXQCR, ks->rc_rxqcr | RXQCR_SDA); if (rxlen > 4) { unsigned int rxalign; @@ -568,7 +573,8 @@ static void ks8851_rx_pkts(struct ks8851_net *ks) } } - ks8851_wrreg16(ks, KS_RXQCR, ks->rc_rxqcr); + /* end DMA access and dequeue packet */ + ks8851_wrreg16(ks, KS_RXQCR, ks->rc_rxqcr | RXQCR_RRXEF); } } @@ -785,6 +791,15 @@ static void ks8851_tx_work(struct work_struct *work) static int ks8851_net_open(struct net_device *dev) { struct ks8851_net *ks = netdev_priv(dev); + int ret; + + ret = request_threaded_irq(dev->irq, NULL, ks8851_irq, + IRQF_TRIGGER_LOW | IRQF_ONESHOT, + dev->name, ks); + if (ret < 0) { + netdev_err(dev, "failed to get irq\n"); + return ret; + } /* lock the card, even if we may not actually be doing anything * else at the moment */ @@ -849,6 +864,7 @@ static int ks8851_net_open(struct net_device *dev) netif_dbg(ks, ifup, ks->netdev, "network device up\n"); mutex_unlock(&ks->lock); + mii_check_link(&ks->mii); return 0; } @@ -899,6 +915,8 @@ static int ks8851_net_stop(struct net_device *dev) dev_kfree_skb(txb); } + free_irq(dev->irq, ks); + return 0; } @@ -1508,6 +1526,7 @@ static int ks8851_probe(struct spi_device *spi) spi_set_drvdata(spi, ks); + netif_carrier_off(ks->netdev); ndev->if_port = IF_PORT_100BASET; ndev->netdev_ops = &ks8851_netdev_ops; ndev->irq = spi->irq; @@ -1529,14 +1548,6 @@ static int ks8851_probe(struct spi_device *spi) ks8851_read_selftest(ks); ks8851_init_mac(ks); - ret = request_threaded_irq(spi->irq, NULL, ks8851_irq, - IRQF_TRIGGER_LOW | IRQF_ONESHOT, - ndev->name, ks); - if (ret < 0) { - dev_err(&spi->dev, "failed to get irq\n"); - goto err_irq; - } - ret = register_netdev(ndev); if (ret) { dev_err(&spi->dev, "failed to register network device\n"); @@ -1549,14 +1560,10 @@ static int ks8851_probe(struct spi_device *spi) return 0; - err_netdev: - free_irq(ndev->irq, ks); - -err_irq: +err_id: if (gpio_is_valid(gpio)) gpio_set_value(gpio, 0); -err_id: regulator_disable(ks->vdd_reg); err_reg: regulator_disable(ks->vdd_io); @@ -1574,7 +1581,6 @@ static int ks8851_remove(struct spi_device *spi) dev_info(&spi->dev, "remove\n"); unregister_netdev(priv->netdev); - free_irq(spi->irq, priv); if (gpio_is_valid(priv->gpio)) gpio_set_value(priv->gpio, 0); regulator_disable(priv->vdd_reg); diff --git a/drivers/net/ethernet/micrel/ks8851.h b/drivers/net/ethernet/micrel/ks8851.h index 852256ef1f22..23da1e3ee429 100644 --- a/drivers/net/ethernet/micrel/ks8851.h +++ b/drivers/net/ethernet/micrel/ks8851.h @@ -11,9 +11,15 @@ */ #define KS_CCR 0x08 +#define CCR_LE (1 << 10) /* KSZ8851-16MLL */ #define CCR_EEPROM (1 << 9) -#define CCR_SPI (1 << 8) -#define CCR_32PIN (1 << 0) +#define CCR_SPI (1 << 8) /* KSZ8851SNL */ +#define CCR_8BIT (1 << 7) /* KSZ8851-16MLL */ +#define CCR_16BIT (1 << 6) /* KSZ8851-16MLL */ +#define CCR_32BIT (1 << 5) /* KSZ8851-16MLL */ +#define CCR_SHARED (1 << 4) /* KSZ8851-16MLL */ +#define CCR_48PIN (1 << 1) /* KSZ8851-16MLL */ +#define CCR_32PIN (1 << 0) /* KSZ8851SNL */ /* MAC address registers */ #define KS_MAR(_m) (0x15 - (_m)) @@ -112,13 +118,13 @@ #define RXCR1_RXE (1 << 0) #define KS_RXCR2 0x76 -#define RXCR2_SRDBL_MASK (0x7 << 5) -#define RXCR2_SRDBL_SHIFT (5) -#define RXCR2_SRDBL_4B (0x0 << 5) -#define RXCR2_SRDBL_8B (0x1 << 5) -#define RXCR2_SRDBL_16B (0x2 << 5) -#define RXCR2_SRDBL_32B (0x3 << 5) -#define RXCR2_SRDBL_FRAME (0x4 << 5) +#define RXCR2_SRDBL_MASK (0x7 << 5) /* KSZ8851SNL */ +#define RXCR2_SRDBL_SHIFT (5) /* KSZ8851SNL */ +#define RXCR2_SRDBL_4B (0x0 << 5) /* KSZ8851SNL */ +#define RXCR2_SRDBL_8B (0x1 << 5) /* KSZ8851SNL */ +#define RXCR2_SRDBL_16B (0x2 << 5) /* KSZ8851SNL */ +#define RXCR2_SRDBL_32B (0x3 << 5) /* KSZ8851SNL */ +#define RXCR2_SRDBL_FRAME (0x4 << 5) /* KSZ8851SNL */ #define RXCR2_IUFFP (1 << 4) #define RXCR2_RXIUFCEZ (1 << 3) #define RXCR2_UDPLFE (1 << 2) @@ -143,8 +149,10 @@ #define RXFSHR_RXCE (1 << 0) #define KS_RXFHBCR 0x7E +#define RXFHBCR_CNT_MASK (0xfff << 0) + #define KS_TXQCR 0x80 -#define TXQCR_AETFE (1 << 2) +#define TXQCR_AETFE (1 << 2) /* KSZ8851SNL */ #define TXQCR_TXQMAM (1 << 1) #define TXQCR_METFE (1 << 0) @@ -167,6 +175,10 @@ #define KS_RXFDPR 0x86 #define RXFDPR_RXFPAI (1 << 14) +#define RXFDPR_WST (1 << 12) /* KSZ8851-16MLL */ +#define RXFDPR_EMS (1 << 11) /* KSZ8851-16MLL */ +#define RXFDPR_RXFP_MASK (0x7ff << 0) +#define RXFDPR_RXFP_SHIFT (0) #define KS_RXDTTR 0x8C #define KS_RXDBCTR 0x8E @@ -184,7 +196,7 @@ #define IRQ_RXMPDI (1 << 4) #define IRQ_LDI (1 << 3) #define IRQ_EDI (1 << 2) -#define IRQ_SPIBEI (1 << 1) +#define IRQ_SPIBEI (1 << 1) /* KSZ8851SNL */ #define IRQ_DEDI (1 << 0) #define KS_RXFCTR 0x9C @@ -257,42 +269,37 @@ #define KS_P1ANLPR 0xEE #define KS_P1SCLMD 0xF4 -#define P1SCLMD_LEDOFF (1 << 15) -#define P1SCLMD_TXIDS (1 << 14) -#define P1SCLMD_RESTARTAN (1 << 13) -#define P1SCLMD_DISAUTOMDIX (1 << 10) -#define P1SCLMD_FORCEMDIX (1 << 9) -#define P1SCLMD_AUTONEGEN (1 << 7) -#define P1SCLMD_FORCE100 (1 << 6) -#define P1SCLMD_FORCEFDX (1 << 5) -#define P1SCLMD_ADV_FLOW (1 << 4) -#define P1SCLMD_ADV_100BT_FDX (1 << 3) -#define P1SCLMD_ADV_100BT_HDX (1 << 2) -#define P1SCLMD_ADV_10BT_FDX (1 << 1) -#define P1SCLMD_ADV_10BT_HDX (1 << 0) #define KS_P1CR 0xF6 -#define P1CR_HP_MDIX (1 << 15) -#define P1CR_REV_POL (1 << 13) -#define P1CR_OP_100M (1 << 10) -#define P1CR_OP_FDX (1 << 9) -#define P1CR_OP_MDI (1 << 7) -#define P1CR_AN_DONE (1 << 6) -#define P1CR_LINK_GOOD (1 << 5) -#define P1CR_PNTR_FLOW (1 << 4) -#define P1CR_PNTR_100BT_FDX (1 << 3) -#define P1CR_PNTR_100BT_HDX (1 << 2) -#define P1CR_PNTR_10BT_FDX (1 << 1) -#define P1CR_PNTR_10BT_HDX (1 << 0) +#define P1CR_LEDOFF (1 << 15) +#define P1CR_TXIDS (1 << 14) +#define P1CR_RESTARTAN (1 << 13) +#define P1CR_DISAUTOMDIX (1 << 10) +#define P1CR_FORCEMDIX (1 << 9) +#define P1CR_AUTONEGEN (1 << 7) +#define P1CR_FORCE100 (1 << 6) +#define P1CR_FORCEFDX (1 << 5) +#define P1CR_ADV_FLOW (1 << 4) +#define P1CR_ADV_100BT_FDX (1 << 3) +#define P1CR_ADV_100BT_HDX (1 << 2) +#define P1CR_ADV_10BT_FDX (1 << 1) +#define P1CR_ADV_10BT_HDX (1 << 0) + +#define KS_P1SR 0xF8 +#define P1SR_HP_MDIX (1 << 15) +#define P1SR_REV_POL (1 << 13) +#define P1SR_OP_100M (1 << 10) +#define P1SR_OP_FDX (1 << 9) +#define P1SR_OP_MDI (1 << 7) +#define P1SR_AN_DONE (1 << 6) +#define P1SR_LINK_GOOD (1 << 5) +#define P1SR_PNTR_FLOW (1 << 4) +#define P1SR_PNTR_100BT_FDX (1 << 3) +#define P1SR_PNTR_100BT_HDX (1 << 2) +#define P1SR_PNTR_10BT_FDX (1 << 1) +#define P1SR_PNTR_10BT_HDX (1 << 0) /* TX Frame control */ - #define TXFR_TXIC (1 << 15) #define TXFR_TXFID_MASK (0x3f << 0) #define TXFR_TXFID_SHIFT (0) - -/* SPI frame opcodes */ -#define KS_SPIOP_RD (0x00) -#define KS_SPIOP_WR (0x40) -#define KS_SPIOP_RXFIFO (0x80) -#define KS_SPIOP_TXFIFO (0xC0) diff --git a/drivers/net/ethernet/micrel/ks8851_mll.c b/drivers/net/ethernet/micrel/ks8851_mll.c index 35f8c9ef204d..c946841c0a06 100644 --- a/drivers/net/ethernet/micrel/ks8851_mll.c +++ b/drivers/net/ethernet/micrel/ks8851_mll.c @@ -40,6 +40,8 @@ #include <linux/of_device.h> #include <linux/of_net.h> +#include "ks8851.h" + #define DRV_NAME "ks8851_mll" static u8 KS_DEFAULT_MAC_ADDRESS[] = { 0x00, 0x10, 0xA1, 0x86, 0x95, 0x11 }; @@ -48,319 +50,10 @@ static u8 KS_DEFAULT_MAC_ADDRESS[] = { 0x00, 0x10, 0xA1, 0x86, 0x95, 0x11 }; #define TX_BUF_SIZE 2000 #define RX_BUF_SIZE 2000 -#define KS_CCR 0x08 -#define CCR_EEPROM (1 << 9) -#define CCR_SPI (1 << 8) -#define CCR_8BIT (1 << 7) -#define CCR_16BIT (1 << 6) -#define CCR_32BIT (1 << 5) -#define CCR_SHARED (1 << 4) -#define CCR_32PIN (1 << 0) - -/* MAC address registers */ -#define KS_MARL 0x10 -#define KS_MARM 0x12 -#define KS_MARH 0x14 - -#define KS_OBCR 0x20 -#define OBCR_ODS_16MA (1 << 6) - -#define KS_EEPCR 0x22 -#define EEPCR_EESA (1 << 4) -#define EEPCR_EESB (1 << 3) -#define EEPCR_EEDO (1 << 2) -#define EEPCR_EESCK (1 << 1) -#define EEPCR_EECS (1 << 0) - -#define KS_MBIR 0x24 -#define MBIR_TXMBF (1 << 12) -#define MBIR_TXMBFA (1 << 11) -#define MBIR_RXMBF (1 << 4) -#define MBIR_RXMBFA (1 << 3) - -#define KS_GRR 0x26 -#define GRR_QMU (1 << 1) -#define GRR_GSR (1 << 0) - -#define KS_WFCR 0x2A -#define WFCR_MPRXE (1 << 7) -#define WFCR_WF3E (1 << 3) -#define WFCR_WF2E (1 << 2) -#define WFCR_WF1E (1 << 1) -#define WFCR_WF0E (1 << 0) - -#define KS_WF0CRC0 0x30 -#define KS_WF0CRC1 0x32 -#define KS_WF0BM0 0x34 -#define KS_WF0BM1 0x36 -#define KS_WF0BM2 0x38 -#define KS_WF0BM3 0x3A - -#define KS_WF1CRC0 0x40 -#define KS_WF1CRC1 0x42 -#define KS_WF1BM0 0x44 -#define KS_WF1BM1 0x46 -#define KS_WF1BM2 0x48 -#define KS_WF1BM3 0x4A - -#define KS_WF2CRC0 0x50 -#define KS_WF2CRC1 0x52 -#define KS_WF2BM0 0x54 -#define KS_WF2BM1 0x56 -#define KS_WF2BM2 0x58 -#define KS_WF2BM3 0x5A - -#define KS_WF3CRC0 0x60 -#define KS_WF3CRC1 0x62 -#define KS_WF3BM0 0x64 -#define KS_WF3BM1 0x66 -#define KS_WF3BM2 0x68 -#define KS_WF3BM3 0x6A - -#define KS_TXCR 0x70 -#define TXCR_TCGICMP (1 << 8) -#define TXCR_TCGUDP (1 << 7) -#define TXCR_TCGTCP (1 << 6) -#define TXCR_TCGIP (1 << 5) -#define TXCR_FTXQ (1 << 4) -#define TXCR_TXFCE (1 << 3) -#define TXCR_TXPE (1 << 2) -#define TXCR_TXCRC (1 << 1) -#define TXCR_TXE (1 << 0) - -#define KS_TXSR 0x72 -#define TXSR_TXLC (1 << 13) -#define TXSR_TXMC (1 << 12) -#define TXSR_TXFID_MASK (0x3f << 0) -#define TXSR_TXFID_SHIFT (0) -#define TXSR_TXFID_GET(_v) (((_v) >> 0) & 0x3f) - - -#define KS_RXCR1 0x74 -#define RXCR1_FRXQ (1 << 15) -#define RXCR1_RXUDPFCC (1 << 14) -#define RXCR1_RXTCPFCC (1 << 13) -#define RXCR1_RXIPFCC (1 << 12) -#define RXCR1_RXPAFMA (1 << 11) -#define RXCR1_RXFCE (1 << 10) -#define RXCR1_RXEFE (1 << 9) -#define RXCR1_RXMAFMA (1 << 8) -#define RXCR1_RXBE (1 << 7) -#define RXCR1_RXME (1 << 6) -#define RXCR1_RXUE (1 << 5) -#define RXCR1_RXAE (1 << 4) -#define RXCR1_RXINVF (1 << 1) -#define RXCR1_RXE (1 << 0) #define RXCR1_FILTER_MASK (RXCR1_RXINVF | RXCR1_RXAE | \ RXCR1_RXMAFMA | RXCR1_RXPAFMA) - -#define KS_RXCR2 0x76 -#define RXCR2_SRDBL_MASK (0x7 << 5) -#define RXCR2_SRDBL_SHIFT (5) -#define RXCR2_SRDBL_4B (0x0 << 5) -#define RXCR2_SRDBL_8B (0x1 << 5) -#define RXCR2_SRDBL_16B (0x2 << 5) -#define RXCR2_SRDBL_32B (0x3 << 5) -/* #define RXCR2_SRDBL_FRAME (0x4 << 5) */ -#define RXCR2_IUFFP (1 << 4) -#define RXCR2_RXIUFCEZ (1 << 3) -#define RXCR2_UDPLFE (1 << 2) -#define RXCR2_RXICMPFCC (1 << 1) -#define RXCR2_RXSAF (1 << 0) - -#define KS_TXMIR 0x78 - -#define KS_RXFHSR 0x7C -#define RXFSHR_RXFV (1 << 15) -#define RXFSHR_RXICMPFCS (1 << 13) -#define RXFSHR_RXIPFCS (1 << 12) -#define RXFSHR_RXTCPFCS (1 << 11) -#define RXFSHR_RXUDPFCS (1 << 10) -#define RXFSHR_RXBF (1 << 7) -#define RXFSHR_RXMF (1 << 6) -#define RXFSHR_RXUF (1 << 5) -#define RXFSHR_RXMR (1 << 4) -#define RXFSHR_RXFT (1 << 3) -#define RXFSHR_RXFTL (1 << 2) -#define RXFSHR_RXRF (1 << 1) -#define RXFSHR_RXCE (1 << 0) -#define RXFSHR_ERR (RXFSHR_RXCE | RXFSHR_RXRF |\ - RXFSHR_RXFTL | RXFSHR_RXMR |\ - RXFSHR_RXICMPFCS | RXFSHR_RXIPFCS |\ - RXFSHR_RXTCPFCS) -#define KS_RXFHBCR 0x7E -#define RXFHBCR_CNT_MASK 0x0FFF - -#define KS_TXQCR 0x80 -#define TXQCR_AETFE (1 << 2) -#define TXQCR_TXQMAM (1 << 1) -#define TXQCR_METFE (1 << 0) - -#define KS_RXQCR 0x82 -#define RXQCR_RXDTTS (1 << 12) -#define RXQCR_RXDBCTS (1 << 11) -#define RXQCR_RXFCTS (1 << 10) -#define RXQCR_RXIPHTOE (1 << 9) -#define RXQCR_RXDTTE (1 << 7) -#define RXQCR_RXDBCTE (1 << 6) -#define RXQCR_RXFCTE (1 << 5) -#define RXQCR_ADRFE (1 << 4) -#define RXQCR_SDA (1 << 3) -#define RXQCR_RRXEF (1 << 0) #define RXQCR_CMD_CNTL (RXQCR_RXFCTE|RXQCR_ADRFE) -#define KS_TXFDPR 0x84 -#define TXFDPR_TXFPAI (1 << 14) -#define TXFDPR_TXFP_MASK (0x7ff << 0) -#define TXFDPR_TXFP_SHIFT (0) - -#define KS_RXFDPR 0x86 -#define RXFDPR_RXFPAI (1 << 14) - -#define KS_RXDTTR 0x8C -#define KS_RXDBCTR 0x8E - -#define KS_IER 0x90 -#define KS_ISR 0x92 -#define IRQ_LCI (1 << 15) -#define IRQ_TXI (1 << 14) -#define IRQ_RXI (1 << 13) -#define IRQ_RXOI (1 << 11) -#define IRQ_TXPSI (1 << 9) -#define IRQ_RXPSI (1 << 8) -#define IRQ_TXSAI (1 << 6) -#define IRQ_RXWFDI (1 << 5) -#define IRQ_RXMPDI (1 << 4) -#define IRQ_LDI (1 << 3) -#define IRQ_EDI (1 << 2) -#define IRQ_SPIBEI (1 << 1) -#define IRQ_DEDI (1 << 0) - -#define KS_RXFCTR 0x9C -#define RXFCTR_THRESHOLD_MASK 0x00FF - -#define KS_RXFC 0x9D -#define RXFCTR_RXFC_MASK (0xff << 8) -#define RXFCTR_RXFC_SHIFT (8) -#define RXFCTR_RXFC_GET(_v) (((_v) >> 8) & 0xff) -#define RXFCTR_RXFCT_MASK (0xff << 0) -#define RXFCTR_RXFCT_SHIFT (0) - -#define KS_TXNTFSR 0x9E - -#define KS_MAHTR0 0xA0 -#define KS_MAHTR1 0xA2 -#define KS_MAHTR2 0xA4 -#define KS_MAHTR3 0xA6 - -#define KS_FCLWR 0xB0 -#define KS_FCHWR 0xB2 -#define KS_FCOWR 0xB4 - -#define KS_CIDER 0xC0 -#define CIDER_ID 0x8870 -#define CIDER_REV_MASK (0x7 << 1) -#define CIDER_REV_SHIFT (1) -#define CIDER_REV_GET(_v) (((_v) >> 1) & 0x7) - -#define KS_CGCR 0xC6 -#define KS_IACR 0xC8 -#define IACR_RDEN (1 << 12) -#define IACR_TSEL_MASK (0x3 << 10) -#define IACR_TSEL_SHIFT (10) -#define IACR_TSEL_MIB (0x3 << 10) -#define IACR_ADDR_MASK (0x1f << 0) -#define IACR_ADDR_SHIFT (0) - -#define KS_IADLR 0xD0 -#define KS_IAHDR 0xD2 - -#define KS_PMECR 0xD4 -#define PMECR_PME_DELAY (1 << 14) -#define PMECR_PME_POL (1 << 12) -#define PMECR_WOL_WAKEUP (1 << 11) -#define PMECR_WOL_MAGICPKT (1 << 10) -#define PMECR_WOL_LINKUP (1 << 9) -#define PMECR_WOL_ENERGY (1 << 8) -#define PMECR_AUTO_WAKE_EN (1 << 7) -#define PMECR_WAKEUP_NORMAL (1 << 6) -#define PMECR_WKEVT_MASK (0xf << 2) -#define PMECR_WKEVT_SHIFT (2) -#define PMECR_WKEVT_GET(_v) (((_v) >> 2) & 0xf) -#define PMECR_WKEVT_ENERGY (0x1 << 2) -#define PMECR_WKEVT_LINK (0x2 << 2) -#define PMECR_WKEVT_MAGICPKT (0x4 << 2) -#define PMECR_WKEVT_FRAME (0x8 << 2) -#define PMECR_PM_MASK (0x3 << 0) -#define PMECR_PM_SHIFT (0) -#define PMECR_PM_NORMAL (0x0 << 0) -#define PMECR_PM_ENERGY (0x1 << 0) -#define PMECR_PM_SOFTDOWN (0x2 << 0) -#define PMECR_PM_POWERSAVE (0x3 << 0) - -/* Standard MII PHY data */ -#define KS_P1MBCR 0xE4 -#define P1MBCR_FORCE_FDX (1 << 8) - -#define KS_P1MBSR 0xE6 -#define P1MBSR_AN_COMPLETE (1 << 5) -#define P1MBSR_AN_CAPABLE (1 << 3) -#define P1MBSR_LINK_UP (1 << 2) - -#define KS_PHY1ILR 0xE8 -#define KS_PHY1IHR 0xEA -#define KS_P1ANAR 0xEC -#define KS_P1ANLPR 0xEE - -#define KS_P1SCLMD 0xF4 -#define P1SCLMD_LEDOFF (1 << 15) -#define P1SCLMD_TXIDS (1 << 14) -#define P1SCLMD_RESTARTAN (1 << 13) -#define P1SCLMD_DISAUTOMDIX (1 << 10) -#define P1SCLMD_FORCEMDIX (1 << 9) -#define P1SCLMD_AUTONEGEN (1 << 7) -#define P1SCLMD_FORCE100 (1 << 6) -#define P1SCLMD_FORCEFDX (1 << 5) -#define P1SCLMD_ADV_FLOW (1 << 4) -#define P1SCLMD_ADV_100BT_FDX (1 << 3) -#define P1SCLMD_ADV_100BT_HDX (1 << 2) -#define P1SCLMD_ADV_10BT_FDX (1 << 1) -#define P1SCLMD_ADV_10BT_HDX (1 << 0) - -#define KS_P1CR 0xF6 -#define P1CR_HP_MDIX (1 << 15) -#define P1CR_REV_POL (1 << 13) -#define P1CR_OP_100M (1 << 10) -#define P1CR_OP_FDX (1 << 9) -#define P1CR_OP_MDI (1 << 7) -#define P1CR_AN_DONE (1 << 6) -#define P1CR_LINK_GOOD (1 << 5) -#define P1CR_PNTR_FLOW (1 << 4) -#define P1CR_PNTR_100BT_FDX (1 << 3) -#define P1CR_PNTR_100BT_HDX (1 << 2) -#define P1CR_PNTR_10BT_FDX (1 << 1) -#define P1CR_PNTR_10BT_HDX (1 << 0) - -/* TX Frame control */ - -#define TXFR_TXIC (1 << 15) -#define TXFR_TXFID_MASK (0x3f << 0) -#define TXFR_TXFID_SHIFT (0) - -#define KS_P1SR 0xF8 -#define P1SR_HP_MDIX (1 << 15) -#define P1SR_REV_POL (1 << 13) -#define P1SR_OP_100M (1 << 10) -#define P1SR_OP_FDX (1 << 9) -#define P1SR_OP_MDI (1 << 7) -#define P1SR_AN_DONE (1 << 6) -#define P1SR_LINK_GOOD (1 << 5) -#define P1SR_PNTR_FLOW (1 << 4) -#define P1SR_PNTR_100BT_FDX (1 << 3) -#define P1SR_PNTR_100BT_HDX (1 << 2) -#define P1SR_PNTR_10BT_FDX (1 << 1) -#define P1SR_PNTR_10BT_HDX (1 << 0) - #define ENUM_BUS_NONE 0 #define ENUM_BUS_8BIT 1 #define ENUM_BUS_16BIT 2 @@ -1475,7 +1168,7 @@ static void ks_setup(struct ks_net *ks) ks_wrreg16(ks, KS_RXFDPR, RXFDPR_RXFPAI); /* Setup Receive Frame Threshold - 1 frame (RXFCTFC) */ - ks_wrreg16(ks, KS_RXFCTR, 1 & RXFCTR_THRESHOLD_MASK); + ks_wrreg16(ks, KS_RXFCTR, 1 & RXFCTR_RXFCT_MASK); /* Setup RxQ Command Control (RXQCR) */ ks->rc_rxqcr = RXQCR_CMD_CNTL; @@ -1488,7 +1181,7 @@ static void ks_setup(struct ks_net *ks) */ w = ks_rdreg16(ks, KS_P1MBCR); - w &= ~P1MBCR_FORCE_FDX; + w &= ~BMCR_FULLDPLX; ks_wrreg16(ks, KS_P1MBCR, w); w = TXCR_TXFCE | TXCR_TXPE | TXCR_TXCRC | TXCR_TCGIP; @@ -1629,7 +1322,7 @@ static int ks8851_probe(struct platform_device *pdev) ks_setup_int(ks); data = ks_rdreg16(ks, KS_OBCR); - ks_wrreg16(ks, KS_OBCR, data | OBCR_ODS_16MA); + ks_wrreg16(ks, KS_OBCR, data | OBCR_ODS_16mA); /* overwriting the default MAC address */ if (pdev->dev.of_node) { diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_ethtool.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_ethtool.c index 3b0adda7cc9c..a4cd6f2cfb86 100644 --- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_ethtool.c +++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_ethtool.c @@ -1048,6 +1048,8 @@ int qlcnic_do_lb_test(struct qlcnic_adapter *adapter, u8 mode) for (i = 0; i < QLCNIC_NUM_ILB_PKT; i++) { skb = netdev_alloc_skb(adapter->netdev, QLCNIC_ILB_PKT_SIZE); + if (!skb) + break; qlcnic_create_loopback_buff(skb->data, adapter->mac_addr); skb_put(skb, QLCNIC_ILB_PKT_SIZE); adapter->ahw->diag_cnt = 0; diff --git a/drivers/net/ethernet/realtek/atp.c b/drivers/net/ethernet/realtek/atp.c index cfb67b746595..58e0ca9093d3 100644 --- a/drivers/net/ethernet/realtek/atp.c +++ b/drivers/net/ethernet/realtek/atp.c @@ -482,7 +482,7 @@ static void hardware_init(struct net_device *dev) write_reg_high(ioaddr, IMR, ISRh_RxErr); lp->tx_unit_busy = 0; - lp->pac_cnt_in_tx_buf = 0; + lp->pac_cnt_in_tx_buf = 0; lp->saved_tx_size = 0; } diff --git a/drivers/net/ethernet/realtek/r8169.c b/drivers/net/ethernet/realtek/r8169.c index c29dde064078..7562ccbbb39a 100644 --- a/drivers/net/ethernet/realtek/r8169.c +++ b/drivers/net/ethernet/realtek/r8169.c @@ -678,6 +678,7 @@ struct rtl8169_private { struct work_struct work; } wk; + unsigned irq_enabled:1; unsigned supports_gmii:1; dma_addr_t counters_phys_addr; struct rtl8169_counters *counters; @@ -1293,6 +1294,7 @@ static void rtl_ack_events(struct rtl8169_private *tp, u16 bits) static void rtl_irq_disable(struct rtl8169_private *tp) { RTL_W16(tp, IntrMask, 0); + tp->irq_enabled = 0; } #define RTL_EVENT_NAPI_RX (RxOK | RxErr) @@ -1301,6 +1303,7 @@ static void rtl_irq_disable(struct rtl8169_private *tp) static void rtl_irq_enable(struct rtl8169_private *tp) { + tp->irq_enabled = 1; RTL_W16(tp, IntrMask, tp->irq_mask); } @@ -6520,9 +6523,8 @@ static irqreturn_t rtl8169_interrupt(int irq, void *dev_instance) { struct rtl8169_private *tp = dev_instance; u16 status = RTL_R16(tp, IntrStatus); - u16 irq_mask = RTL_R16(tp, IntrMask); - if (status == 0xffff || !(status & irq_mask)) + if (!tp->irq_enabled || status == 0xffff || !(status & tp->irq_mask)) return IRQ_NONE; if (unlikely(status & SYSErr)) { @@ -6540,7 +6542,7 @@ static irqreturn_t rtl8169_interrupt(int irq, void *dev_instance) set_bit(RTL_FLAG_TASK_RESET_PENDING, tp->wk.flags); } - if (status & RTL_EVENT_NAPI) { + if (status & (RTL_EVENT_NAPI | LinkChg)) { rtl_irq_disable(tp); napi_schedule_irqoff(&tp->napi); } diff --git a/drivers/net/ethernet/sis/sis900.c b/drivers/net/ethernet/sis/sis900.c index 6073387511f8..67f9bb6e941b 100644 --- a/drivers/net/ethernet/sis/sis900.c +++ b/drivers/net/ethernet/sis/sis900.c @@ -730,10 +730,10 @@ static u16 sis900_default_phy(struct net_device * net_dev) status = mdio_read(net_dev, phy->phy_addr, MII_STATUS); /* Link ON & Not select default PHY & not ghost PHY */ - if ((status & MII_STAT_LINK) && !default_phy && - (phy->phy_types != UNKNOWN)) - default_phy = phy; - else { + if ((status & MII_STAT_LINK) && !default_phy && + (phy->phy_types != UNKNOWN)) { + default_phy = phy; + } else { status = mdio_read(net_dev, phy->phy_addr, MII_CONTROL); mdio_write(net_dev, phy->phy_addr, MII_CONTROL, status | MII_CNTL_AUTO | MII_CNTL_ISOLATE); @@ -741,7 +741,7 @@ static u16 sis900_default_phy(struct net_device * net_dev) phy_home = phy; else if(phy->phy_types == LAN) phy_lan = phy; - } + } } if (!default_phy && phy_home) diff --git a/drivers/net/ethernet/stmicro/stmmac/ring_mode.c b/drivers/net/ethernet/stmicro/stmmac/ring_mode.c index d8c5bc412219..4d9bcb4d0378 100644 --- a/drivers/net/ethernet/stmicro/stmmac/ring_mode.c +++ b/drivers/net/ethernet/stmicro/stmmac/ring_mode.c @@ -59,7 +59,7 @@ static int jumbo_frm(void *p, struct sk_buff *skb, int csum) desc->des3 = cpu_to_le32(des2 + BUF_SIZE_4KiB); stmmac_prepare_tx_desc(priv, desc, 1, bmax, csum, - STMMAC_RING_MODE, 1, false, skb->len); + STMMAC_RING_MODE, 0, false, skb->len); tx_q->tx_skbuff[entry] = NULL; entry = STMMAC_GET_ENTRY(entry, DMA_TX_SIZE); @@ -79,7 +79,8 @@ static int jumbo_frm(void *p, struct sk_buff *skb, int csum) desc->des3 = cpu_to_le32(des2 + BUF_SIZE_4KiB); stmmac_prepare_tx_desc(priv, desc, 0, len, csum, - STMMAC_RING_MODE, 1, true, skb->len); + STMMAC_RING_MODE, 1, !skb_is_nonlinear(skb), + skb->len); } else { des2 = dma_map_single(priv->device, skb->data, nopaged_len, DMA_TO_DEVICE); @@ -91,7 +92,8 @@ static int jumbo_frm(void *p, struct sk_buff *skb, int csum) tx_q->tx_skbuff_dma[entry].is_jumbo = true; desc->des3 = cpu_to_le32(des2 + BUF_SIZE_4KiB); stmmac_prepare_tx_desc(priv, desc, 1, nopaged_len, csum, - STMMAC_RING_MODE, 1, true, skb->len); + STMMAC_RING_MODE, 0, !skb_is_nonlinear(skb), + skb->len); } tx_q->cur_tx = entry; @@ -111,10 +113,11 @@ static unsigned int is_jumbo_frm(int len, int enh_desc) static void refill_desc3(void *priv_ptr, struct dma_desc *p) { - struct stmmac_priv *priv = (struct stmmac_priv *)priv_ptr; + struct stmmac_rx_queue *rx_q = priv_ptr; + struct stmmac_priv *priv = rx_q->priv_data; /* Fill DES3 in case of RING mode */ - if (priv->dma_buf_sz >= BUF_SIZE_8KiB) + if (priv->dma_buf_sz == BUF_SIZE_16KiB) p->des3 = cpu_to_le32(le32_to_cpu(p->des2) + BUF_SIZE_8KiB); } diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c index 97c5e1aad88f..6a2e1031a62a 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c @@ -3216,14 +3216,16 @@ static netdev_tx_t stmmac_xmit(struct sk_buff *skb, struct net_device *dev) stmmac_prepare_tx_desc(priv, first, 1, nopaged_len, csum_insertion, priv->mode, 1, last_segment, skb->len); - - /* The own bit must be the latest setting done when prepare the - * descriptor and then barrier is needed to make sure that - * all is coherent before granting the DMA engine. - */ - wmb(); + } else { + stmmac_set_tx_owner(priv, first); } + /* The own bit must be the latest setting done when prepare the + * descriptor and then barrier is needed to make sure that + * all is coherent before granting the DMA engine. + */ + wmb(); + netdev_tx_sent_queue(netdev_get_tx_queue(dev, queue), skb->len); stmmac_enable_dma_transmission(priv, priv->ioaddr); diff --git a/drivers/net/ethernet/ti/netcp_ethss.c b/drivers/net/ethernet/ti/netcp_ethss.c index 5174d318901e..0a920c5936b2 100644 --- a/drivers/net/ethernet/ti/netcp_ethss.c +++ b/drivers/net/ethernet/ti/netcp_ethss.c @@ -3657,12 +3657,16 @@ static int gbe_probe(struct netcp_device *netcp_device, struct device *dev, ret = netcp_txpipe_init(&gbe_dev->tx_pipe, netcp_device, gbe_dev->dma_chan_name, gbe_dev->tx_queue_id); - if (ret) + if (ret) { + of_node_put(interfaces); return ret; + } ret = netcp_txpipe_open(&gbe_dev->tx_pipe); - if (ret) + if (ret) { + of_node_put(interfaces); return ret; + } /* Create network interfaces */ INIT_LIST_HEAD(&gbe_dev->gbe_intf_head); diff --git a/drivers/net/ethernet/xilinx/xilinx_axienet_main.c b/drivers/net/ethernet/xilinx/xilinx_axienet_main.c index ec7e7ec24ff9..4041c75997ba 100644 --- a/drivers/net/ethernet/xilinx/xilinx_axienet_main.c +++ b/drivers/net/ethernet/xilinx/xilinx_axienet_main.c @@ -1575,12 +1575,14 @@ static int axienet_probe(struct platform_device *pdev) ret = of_address_to_resource(np, 0, &dmares); if (ret) { dev_err(&pdev->dev, "unable to get DMA resource\n"); + of_node_put(np); goto free_netdev; } lp->dma_regs = devm_ioremap_resource(&pdev->dev, &dmares); if (IS_ERR(lp->dma_regs)) { dev_err(&pdev->dev, "could not map DMA regs\n"); ret = PTR_ERR(lp->dma_regs); + of_node_put(np); goto free_netdev; } lp->rx_irq = irq_of_parse_and_map(np, 1); diff --git a/drivers/net/ieee802154/adf7242.c b/drivers/net/ieee802154/adf7242.c index cd1d8faccca5..cd6b95e673a5 100644 --- a/drivers/net/ieee802154/adf7242.c +++ b/drivers/net/ieee802154/adf7242.c @@ -1268,6 +1268,10 @@ static int adf7242_probe(struct spi_device *spi) INIT_DELAYED_WORK(&lp->work, adf7242_rx_cal_work); lp->wqueue = alloc_ordered_workqueue(dev_name(&spi->dev), WQ_MEM_RECLAIM); + if (unlikely(!lp->wqueue)) { + ret = -ENOMEM; + goto err_hw_init; + } ret = adf7242_hw_init(lp); if (ret) diff --git a/drivers/net/ieee802154/mac802154_hwsim.c b/drivers/net/ieee802154/mac802154_hwsim.c index b6743f03dce0..3b88846de31b 100644 --- a/drivers/net/ieee802154/mac802154_hwsim.c +++ b/drivers/net/ieee802154/mac802154_hwsim.c @@ -324,7 +324,7 @@ static int hwsim_get_radio_nl(struct sk_buff *msg, struct genl_info *info) goto out_err; } - genlmsg_reply(skb, info); + res = genlmsg_reply(skb, info); break; } diff --git a/drivers/net/phy/Kconfig b/drivers/net/phy/Kconfig index 071869db44cf..520657945b82 100644 --- a/drivers/net/phy/Kconfig +++ b/drivers/net/phy/Kconfig @@ -7,6 +7,8 @@ menuconfig MDIO_DEVICE help MDIO devices and driver infrastructure code. +if MDIO_DEVICE + config MDIO_BUS tristate default m if PHYLIB=m @@ -179,6 +181,7 @@ config MDIO_XGENE APM X-Gene SoC's. endif +endif config PHYLINK tristate diff --git a/drivers/net/phy/broadcom.c b/drivers/net/phy/broadcom.c index 9605d4fe540b..cb86a3e90c7d 100644 --- a/drivers/net/phy/broadcom.c +++ b/drivers/net/phy/broadcom.c @@ -323,6 +323,19 @@ static int bcm54xx_config_init(struct phy_device *phydev) bcm54xx_phydsp_config(phydev); + /* Encode link speed into LED1 and LED3 pair (green/amber). + * Also flash these two LEDs on activity. This means configuring + * them for MULTICOLOR and encoding link/activity into them. + */ + val = BCM5482_SHD_LEDS1_LED1(BCM_LED_SRC_MULTICOLOR1) | + BCM5482_SHD_LEDS1_LED3(BCM_LED_SRC_MULTICOLOR1); + bcm_phy_write_shadow(phydev, BCM5482_SHD_LEDS1, val); + + val = BCM_LED_MULTICOLOR_IN_PHASE | + BCM5482_SHD_LEDS1_LED1(BCM_LED_MULTICOLOR_LINK_ACT) | + BCM5482_SHD_LEDS1_LED3(BCM_LED_MULTICOLOR_LINK_ACT); + bcm_phy_write_exp(phydev, BCM_EXP_MULTICOLOR, val); + return 0; } diff --git a/drivers/net/phy/dp83822.c b/drivers/net/phy/dp83822.c index bbd8c22067f3..97d45bd5b38e 100644 --- a/drivers/net/phy/dp83822.c +++ b/drivers/net/phy/dp83822.c @@ -15,6 +15,8 @@ #include <linux/netdevice.h> #define DP83822_PHY_ID 0x2000a240 +#define DP83825I_PHY_ID 0x2000a150 + #define DP83822_DEVADDR 0x1f #define MII_DP83822_PHYSCR 0x11 @@ -304,26 +306,30 @@ static int dp83822_resume(struct phy_device *phydev) return 0; } +#define DP83822_PHY_DRIVER(_id, _name) \ + { \ + PHY_ID_MATCH_MODEL(_id), \ + .name = (_name), \ + .features = PHY_BASIC_FEATURES, \ + .soft_reset = dp83822_phy_reset, \ + .config_init = dp83822_config_init, \ + .get_wol = dp83822_get_wol, \ + .set_wol = dp83822_set_wol, \ + .ack_interrupt = dp83822_ack_interrupt, \ + .config_intr = dp83822_config_intr, \ + .suspend = dp83822_suspend, \ + .resume = dp83822_resume, \ + } + static struct phy_driver dp83822_driver[] = { - { - .phy_id = DP83822_PHY_ID, - .phy_id_mask = 0xfffffff0, - .name = "TI DP83822", - .features = PHY_BASIC_FEATURES, - .config_init = dp83822_config_init, - .soft_reset = dp83822_phy_reset, - .get_wol = dp83822_get_wol, - .set_wol = dp83822_set_wol, - .ack_interrupt = dp83822_ack_interrupt, - .config_intr = dp83822_config_intr, - .suspend = dp83822_suspend, - .resume = dp83822_resume, - }, + DP83822_PHY_DRIVER(DP83822_PHY_ID, "TI DP83822"), + DP83822_PHY_DRIVER(DP83825I_PHY_ID, "TI DP83825I"), }; module_phy_driver(dp83822_driver); static struct mdio_device_id __maybe_unused dp83822_tbl[] = { { DP83822_PHY_ID, 0xfffffff0 }, + { DP83825I_PHY_ID, 0xfffffff0 }, { }, }; MODULE_DEVICE_TABLE(mdio, dp83822_tbl); diff --git a/drivers/net/phy/meson-gxl.c b/drivers/net/phy/meson-gxl.c index a238388eb1a5..0eec2913c289 100644 --- a/drivers/net/phy/meson-gxl.c +++ b/drivers/net/phy/meson-gxl.c @@ -201,6 +201,7 @@ static int meson_gxl_ack_interrupt(struct phy_device *phydev) static int meson_gxl_config_intr(struct phy_device *phydev) { u16 val; + int ret; if (phydev->interrupts == PHY_INTERRUPT_ENABLED) { val = INTSRC_ANEG_PR @@ -213,6 +214,11 @@ static int meson_gxl_config_intr(struct phy_device *phydev) val = 0; } + /* Ack any pending IRQ */ + ret = meson_gxl_ack_interrupt(phydev); + if (ret) + return ret; + return phy_write(phydev, INTSRC_MASK, val); } diff --git a/drivers/net/phy/phy_device.c b/drivers/net/phy/phy_device.c index 49fdd1ee798e..77068c545de0 100644 --- a/drivers/net/phy/phy_device.c +++ b/drivers/net/phy/phy_device.c @@ -1831,7 +1831,7 @@ int genphy_soft_reset(struct phy_device *phydev) { int ret; - ret = phy_write(phydev, MII_BMCR, BMCR_RESET); + ret = phy_set_bits(phydev, MII_BMCR, BMCR_RESET); if (ret < 0) return ret; diff --git a/drivers/net/tun.c b/drivers/net/tun.c index 1d68921723dc..e9ca1c088d0b 100644 --- a/drivers/net/tun.c +++ b/drivers/net/tun.c @@ -1763,9 +1763,6 @@ static ssize_t tun_get_user(struct tun_struct *tun, struct tun_file *tfile, int skb_xdp = 1; bool frags = tun_napi_frags_enabled(tfile); - if (!(tun->dev->flags & IFF_UP)) - return -EIO; - if (!(tun->flags & IFF_NO_PI)) { if (len < sizeof(pi)) return -EINVAL; @@ -1867,6 +1864,8 @@ static ssize_t tun_get_user(struct tun_struct *tun, struct tun_file *tfile, err = skb_copy_datagram_from_iter(skb, 0, from, len); if (err) { + err = -EFAULT; +drop: this_cpu_inc(tun->pcpu_stats->rx_dropped); kfree_skb(skb); if (frags) { @@ -1874,7 +1873,7 @@ static ssize_t tun_get_user(struct tun_struct *tun, struct tun_file *tfile, mutex_unlock(&tfile->napi_mutex); } - return -EFAULT; + return err; } } @@ -1958,6 +1957,13 @@ static ssize_t tun_get_user(struct tun_struct *tun, struct tun_file *tfile, !tfile->detached) rxhash = __skb_get_hash_symmetric(skb); + rcu_read_lock(); + if (unlikely(!(tun->dev->flags & IFF_UP))) { + err = -EIO; + rcu_read_unlock(); + goto drop; + } + if (frags) { /* Exercise flow dissector code path. */ u32 headlen = eth_get_headlen(skb->data, skb_headlen(skb)); @@ -1965,6 +1971,7 @@ static ssize_t tun_get_user(struct tun_struct *tun, struct tun_file *tfile, if (unlikely(headlen > skb_headlen(skb))) { this_cpu_inc(tun->pcpu_stats->rx_dropped); napi_free_frags(&tfile->napi); + rcu_read_unlock(); mutex_unlock(&tfile->napi_mutex); WARN_ON(1); return -ENOMEM; @@ -1992,6 +1999,7 @@ static ssize_t tun_get_user(struct tun_struct *tun, struct tun_file *tfile, } else { netif_rx_ni(skb); } + rcu_read_unlock(); stats = get_cpu_ptr(tun->pcpu_stats); u64_stats_update_begin(&stats->syncp); diff --git a/drivers/net/usb/aqc111.c b/drivers/net/usb/aqc111.c index 820a2fe7d027..aff995be2a31 100644 --- a/drivers/net/usb/aqc111.c +++ b/drivers/net/usb/aqc111.c @@ -1301,6 +1301,20 @@ static const struct driver_info trendnet_info = { .tx_fixup = aqc111_tx_fixup, }; +static const struct driver_info qnap_info = { + .description = "QNAP QNA-UC5G1T USB to 5GbE Adapter", + .bind = aqc111_bind, + .unbind = aqc111_unbind, + .status = aqc111_status, + .link_reset = aqc111_link_reset, + .reset = aqc111_reset, + .stop = aqc111_stop, + .flags = FLAG_ETHER | FLAG_FRAMING_AX | + FLAG_AVOID_UNLINK_URBS | FLAG_MULTI_PACKET, + .rx_fixup = aqc111_rx_fixup, + .tx_fixup = aqc111_tx_fixup, +}; + static int aqc111_suspend(struct usb_interface *intf, pm_message_t message) { struct usbnet *dev = usb_get_intfdata(intf); @@ -1455,6 +1469,7 @@ static const struct usb_device_id products[] = { {AQC111_USB_ETH_DEV(0x0b95, 0x2790, asix111_info)}, {AQC111_USB_ETH_DEV(0x0b95, 0x2791, asix112_info)}, {AQC111_USB_ETH_DEV(0x20f4, 0xe05a, trendnet_info)}, + {AQC111_USB_ETH_DEV(0x1c04, 0x0015, qnap_info)}, { },/* END */ }; MODULE_DEVICE_TABLE(usb, products); diff --git a/drivers/net/usb/cdc_ether.c b/drivers/net/usb/cdc_ether.c index 5512a1038721..3e9b2c319e45 100644 --- a/drivers/net/usb/cdc_ether.c +++ b/drivers/net/usb/cdc_ether.c @@ -851,6 +851,14 @@ static const struct usb_device_id products[] = { .driver_info = 0, }, +/* QNAP QNA-UC5G1T USB to 5GbE Adapter (based on AQC111U) */ +{ + USB_DEVICE_AND_INTERFACE_INFO(0x1c04, 0x0015, USB_CLASS_COMM, + USB_CDC_SUBCLASS_ETHERNET, + USB_CDC_PROTO_NONE), + .driver_info = 0, +}, + /* WHITELIST!!! * * CDC Ether uses two interfaces, not necessarily consecutive. diff --git a/drivers/net/vxlan.c b/drivers/net/vxlan.c index 077f1b9f2761..d76dfed8d9bb 100644 --- a/drivers/net/vxlan.c +++ b/drivers/net/vxlan.c @@ -4335,10 +4335,8 @@ static void vxlan_destroy_tunnels(struct net *net, struct list_head *head) /* If vxlan->dev is in the same netns, it has already been added * to the list by the previous loop. */ - if (!net_eq(dev_net(vxlan->dev), net)) { - gro_cells_destroy(&vxlan->gro_cells); + if (!net_eq(dev_net(vxlan->dev), net)) unregister_netdevice_queue(vxlan->dev, head); - } } for (h = 0; h < PORT_HASH_SIZE; ++h) diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/ftm-initiator.c b/drivers/net/wireless/intel/iwlwifi/mvm/ftm-initiator.c index e9822a3ec373..94132cfd1f56 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/ftm-initiator.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/ftm-initiator.c @@ -460,9 +460,7 @@ static int iwl_mvm_ftm_range_resp_valid(struct iwl_mvm *mvm, u8 request_id, static void iwl_mvm_debug_range_resp(struct iwl_mvm *mvm, u8 index, struct cfg80211_pmsr_result *res) { - s64 rtt_avg = res->ftm.rtt_avg * 100; - - do_div(rtt_avg, 6666); + s64 rtt_avg = div_s64(res->ftm.rtt_avg * 100, 6666); IWL_DEBUG_INFO(mvm, "entry %d\n", index); IWL_DEBUG_INFO(mvm, "\tstatus: %d\n", res->status); diff --git a/drivers/net/wireless/mediatek/mt76/dma.c b/drivers/net/wireless/mediatek/mt76/dma.c index 6eedc0ec7661..76629b98c78d 100644 --- a/drivers/net/wireless/mediatek/mt76/dma.c +++ b/drivers/net/wireless/mediatek/mt76/dma.c @@ -130,6 +130,8 @@ mt76_dma_tx_cleanup_idx(struct mt76_dev *dev, struct mt76_queue *q, int idx, static void mt76_dma_sync_idx(struct mt76_dev *dev, struct mt76_queue *q) { + iowrite32(q->desc_dma, &q->regs->desc_base); + iowrite32(q->ndesc, &q->regs->ring_size); q->head = ioread32(&q->regs->dma_idx); q->tail = q->head; iowrite32(q->head, &q->regs->cpu_idx); @@ -180,7 +182,10 @@ mt76_dma_tx_cleanup(struct mt76_dev *dev, enum mt76_txq_id qid, bool flush) else mt76_dma_sync_idx(dev, q); - wake = wake && qid < IEEE80211_NUM_ACS && q->queued < q->ndesc - 8; + wake = wake && q->stopped && + qid < IEEE80211_NUM_ACS && q->queued < q->ndesc - 8; + if (wake) + q->stopped = false; if (!q->queued) wake_up(&dev->tx_wait); diff --git a/drivers/net/wireless/mediatek/mt76/mac80211.c b/drivers/net/wireless/mediatek/mt76/mac80211.c index a033745adb2f..316167404729 100644 --- a/drivers/net/wireless/mediatek/mt76/mac80211.c +++ b/drivers/net/wireless/mediatek/mt76/mac80211.c @@ -679,19 +679,15 @@ out: return ret; } -static void -mt76_sta_remove(struct mt76_dev *dev, struct ieee80211_vif *vif, - struct ieee80211_sta *sta) +void __mt76_sta_remove(struct mt76_dev *dev, struct ieee80211_vif *vif, + struct ieee80211_sta *sta) { struct mt76_wcid *wcid = (struct mt76_wcid *)sta->drv_priv; - int idx = wcid->idx; - int i; + int i, idx = wcid->idx; rcu_assign_pointer(dev->wcid[idx], NULL); synchronize_rcu(); - mutex_lock(&dev->mutex); - if (dev->drv->sta_remove) dev->drv->sta_remove(dev, vif, sta); @@ -699,7 +695,15 @@ mt76_sta_remove(struct mt76_dev *dev, struct ieee80211_vif *vif, for (i = 0; i < ARRAY_SIZE(sta->txq); i++) mt76_txq_remove(dev, sta->txq[i]); mt76_wcid_free(dev->wcid_mask, idx); +} +EXPORT_SYMBOL_GPL(__mt76_sta_remove); +static void +mt76_sta_remove(struct mt76_dev *dev, struct ieee80211_vif *vif, + struct ieee80211_sta *sta) +{ + mutex_lock(&dev->mutex); + __mt76_sta_remove(dev, vif, sta); mutex_unlock(&dev->mutex); } diff --git a/drivers/net/wireless/mediatek/mt76/mt76.h b/drivers/net/wireless/mediatek/mt76/mt76.h index 5dfb0601f101..bcbfd3c4a44b 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76.h +++ b/drivers/net/wireless/mediatek/mt76/mt76.h @@ -126,6 +126,7 @@ struct mt76_queue { int ndesc; int queued; int buf_size; + bool stopped; u8 buf_offset; u8 hw_idx; @@ -143,6 +144,7 @@ struct mt76_mcu_ops { const struct mt76_reg_pair *rp, int len); int (*mcu_rd_rp)(struct mt76_dev *dev, u32 base, struct mt76_reg_pair *rp, int len); + int (*mcu_restart)(struct mt76_dev *dev); }; struct mt76_queue_ops { @@ -693,6 +695,8 @@ int mt76_sta_state(struct ieee80211_hw *hw, struct ieee80211_vif *vif, struct ieee80211_sta *sta, enum ieee80211_sta_state old_state, enum ieee80211_sta_state new_state); +void __mt76_sta_remove(struct mt76_dev *dev, struct ieee80211_vif *vif, + struct ieee80211_sta *sta); struct ieee80211_sta *mt76_rx_convert(struct sk_buff *skb); diff --git a/drivers/net/wireless/mediatek/mt76/mt7603/beacon.c b/drivers/net/wireless/mediatek/mt76/mt7603/beacon.c index afcd86f735b4..4dcb465095d1 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7603/beacon.c +++ b/drivers/net/wireless/mediatek/mt76/mt7603/beacon.c @@ -135,8 +135,7 @@ void mt7603_pre_tbtt_tasklet(unsigned long arg) out: mt76_queue_tx_cleanup(dev, MT_TXQ_BEACON, false); - if (dev->mt76.q_tx[MT_TXQ_BEACON].queued > - __sw_hweight8(dev->beacon_mask)) + if (dev->mt76.q_tx[MT_TXQ_BEACON].queued > hweight8(dev->beacon_mask)) dev->beacon_check++; } diff --git a/drivers/net/wireless/mediatek/mt76/mt7603/dma.c b/drivers/net/wireless/mediatek/mt76/mt7603/dma.c index d69e82c66ab2..b3ae0aaea62a 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7603/dma.c +++ b/drivers/net/wireless/mediatek/mt76/mt7603/dma.c @@ -27,12 +27,16 @@ static void mt7603_rx_loopback_skb(struct mt7603_dev *dev, struct sk_buff *skb) { __le32 *txd = (__le32 *)skb->data; + struct ieee80211_hdr *hdr; + struct ieee80211_sta *sta; struct mt7603_sta *msta; struct mt76_wcid *wcid; + void *priv; int idx; u32 val; + u8 tid; - if (skb->len < sizeof(MT_TXD_SIZE) + sizeof(struct ieee80211_hdr)) + if (skb->len < MT_TXD_SIZE + sizeof(struct ieee80211_hdr)) goto free; val = le32_to_cpu(txd[1]); @@ -46,10 +50,19 @@ mt7603_rx_loopback_skb(struct mt7603_dev *dev, struct sk_buff *skb) if (!wcid) goto free; - msta = container_of(wcid, struct mt7603_sta, wcid); + priv = msta = container_of(wcid, struct mt7603_sta, wcid); val = le32_to_cpu(txd[0]); skb_set_queue_mapping(skb, FIELD_GET(MT_TXD0_Q_IDX, val)); + val &= ~(MT_TXD0_P_IDX | MT_TXD0_Q_IDX); + val |= FIELD_PREP(MT_TXD0_Q_IDX, MT_TX_HW_QUEUE_MGMT); + txd[0] = cpu_to_le32(val); + + sta = container_of(priv, struct ieee80211_sta, drv_priv); + hdr = (struct ieee80211_hdr *) &skb->data[MT_TXD_SIZE]; + tid = *ieee80211_get_qos_ctl(hdr) & IEEE80211_QOS_CTL_TID_MASK; + ieee80211_sta_set_buffered(sta, tid, true); + spin_lock_bh(&dev->ps_lock); __skb_queue_tail(&msta->psq, skb); if (skb_queue_len(&msta->psq) >= 64) { diff --git a/drivers/net/wireless/mediatek/mt76/mt7603/init.c b/drivers/net/wireless/mediatek/mt76/mt7603/init.c index 15cc8f33b34d..d54dda67d036 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7603/init.c +++ b/drivers/net/wireless/mediatek/mt76/mt7603/init.c @@ -112,7 +112,7 @@ static void mt7603_phy_init(struct mt7603_dev *dev) { int rx_chains = dev->mt76.antenna_mask; - int tx_chains = __sw_hweight8(rx_chains) - 1; + int tx_chains = hweight8(rx_chains) - 1; mt76_rmw(dev, MT_WF_RMAC_RMCR, (MT_WF_RMAC_RMCR_SMPS_MODE | diff --git a/drivers/net/wireless/mediatek/mt76/mt7603/mac.c b/drivers/net/wireless/mediatek/mt76/mt7603/mac.c index 0a0115861b51..5e31d7da96fc 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7603/mac.c +++ b/drivers/net/wireless/mediatek/mt76/mt7603/mac.c @@ -1072,7 +1072,7 @@ out: case MT_PHY_TYPE_HT: final_rate_flags |= IEEE80211_TX_RC_MCS; final_rate &= GENMASK(5, 0); - if (i > 15) + if (final_rate > 15) return false; break; default: diff --git a/drivers/net/wireless/mediatek/mt76/mt7603/main.c b/drivers/net/wireless/mediatek/mt76/mt7603/main.c index b10775ed92e6..cc0fe0933b2d 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7603/main.c +++ b/drivers/net/wireless/mediatek/mt76/mt7603/main.c @@ -5,6 +5,7 @@ #include <linux/pci.h> #include <linux/module.h> #include "mt7603.h" +#include "mac.h" #include "eeprom.h" static int @@ -386,6 +387,15 @@ mt7603_sta_ps(struct mt76_dev *mdev, struct ieee80211_sta *sta, bool ps) } static void +mt7603_ps_set_more_data(struct sk_buff *skb) +{ + struct ieee80211_hdr *hdr; + + hdr = (struct ieee80211_hdr *) &skb->data[MT_TXD_SIZE]; + hdr->frame_control |= cpu_to_le16(IEEE80211_FCTL_MOREDATA); +} + +static void mt7603_release_buffered_frames(struct ieee80211_hw *hw, struct ieee80211_sta *sta, u16 tids, int nframes, @@ -399,6 +409,8 @@ mt7603_release_buffered_frames(struct ieee80211_hw *hw, __skb_queue_head_init(&list); + mt7603_wtbl_set_ps(dev, msta, false); + spin_lock_bh(&dev->ps_lock); skb_queue_walk_safe(&msta->psq, skb, tmp) { if (!nframes) @@ -409,11 +421,15 @@ mt7603_release_buffered_frames(struct ieee80211_hw *hw, skb_set_queue_mapping(skb, MT_TXQ_PSD); __skb_unlink(skb, &msta->psq); + mt7603_ps_set_more_data(skb); __skb_queue_tail(&list, skb); nframes--; } spin_unlock_bh(&dev->ps_lock); + if (!skb_queue_empty(&list)) + ieee80211_sta_eosp(sta); + mt7603_ps_tx_list(dev, &list); if (nframes) diff --git a/drivers/net/wireless/mediatek/mt76/mt7603/mcu.c b/drivers/net/wireless/mediatek/mt76/mt7603/mcu.c index 4b0713f1fd5e..d06905ea8cc6 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7603/mcu.c +++ b/drivers/net/wireless/mediatek/mt76/mt7603/mcu.c @@ -433,7 +433,7 @@ int mt7603_mcu_set_channel(struct mt7603_dev *dev) { struct cfg80211_chan_def *chandef = &dev->mt76.chandef; struct ieee80211_hw *hw = mt76_hw(dev); - int n_chains = __sw_hweight8(dev->mt76.antenna_mask); + int n_chains = hweight8(dev->mt76.antenna_mask); struct { u8 control_chan; u8 center_chan; diff --git a/drivers/net/wireless/mediatek/mt76/mt7603/soc.c b/drivers/net/wireless/mediatek/mt76/mt7603/soc.c index e13fea80d970..b920be1f5718 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7603/soc.c +++ b/drivers/net/wireless/mediatek/mt76/mt7603/soc.c @@ -23,9 +23,9 @@ mt76_wmac_probe(struct platform_device *pdev) } mem_base = devm_ioremap_resource(&pdev->dev, res); - if (!mem_base) { + if (IS_ERR(mem_base)) { dev_err(&pdev->dev, "Failed to get memory resource\n"); - return -EINVAL; + return PTR_ERR(mem_base); } mdev = mt76_alloc_device(&pdev->dev, sizeof(*dev), &mt7603_ops, diff --git a/drivers/net/wireless/mediatek/mt76/mt76x0/initvals.h b/drivers/net/wireless/mediatek/mt76/mt76x0/initvals.h index 0290ba5869a5..736f81752b5b 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76x0/initvals.h +++ b/drivers/net/wireless/mediatek/mt76/mt76x0/initvals.h @@ -46,7 +46,7 @@ static const struct mt76_reg_pair common_mac_reg_table[] = { { MT_MM20_PROT_CFG, 0x01742004 }, { MT_MM40_PROT_CFG, 0x03f42084 }, { MT_TXOP_CTRL_CFG, 0x0000583f }, - { MT_TX_RTS_CFG, 0x00092b20 }, + { MT_TX_RTS_CFG, 0x00ffff20 }, { MT_EXP_ACK_TIME, 0x002400ca }, { MT_TXOP_HLDR_ET, 0x00000002 }, { MT_XIFS_TIME_CFG, 0x33a41010 }, diff --git a/drivers/net/wireless/mediatek/mt76/mt76x0/usb.c b/drivers/net/wireless/mediatek/mt76/mt76x0/usb.c index 91718647da02..e5a06f74a6f7 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76x0/usb.c +++ b/drivers/net/wireless/mediatek/mt76/mt76x0/usb.c @@ -229,7 +229,7 @@ static int mt76x0u_probe(struct usb_interface *usb_intf, struct usb_device *usb_dev = interface_to_usbdev(usb_intf); struct mt76x02_dev *dev; struct mt76_dev *mdev; - u32 asic_rev, mac_rev; + u32 mac_rev; int ret; mdev = mt76_alloc_device(&usb_intf->dev, sizeof(*dev), &mt76x0u_ops, @@ -262,10 +262,14 @@ static int mt76x0u_probe(struct usb_interface *usb_intf, goto err; } - asic_rev = mt76_rr(dev, MT_ASIC_VERSION); + mdev->rev = mt76_rr(dev, MT_ASIC_VERSION); mac_rev = mt76_rr(dev, MT_MAC_CSR0); dev_info(mdev->dev, "ASIC revision: %08x MAC revision: %08x\n", - asic_rev, mac_rev); + mdev->rev, mac_rev); + if (!is_mt76x0(dev)) { + ret = -ENODEV; + goto err; + } /* Note: vendor driver skips this check for MT76X0U */ if (!(mt76_rr(dev, MT_EFUSE_CTRL) & MT_EFUSE_CTRL_SEL)) diff --git a/drivers/net/wireless/mediatek/mt76/mt76x02.h b/drivers/net/wireless/mediatek/mt76/mt76x02.h index 6915cce5def9..07061eb4d1e1 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76x02.h +++ b/drivers/net/wireless/mediatek/mt76/mt76x02.h @@ -51,6 +51,7 @@ struct mt76x02_calibration { u16 false_cca; s8 avg_rssi_all; s8 agc_gain_adjust; + s8 agc_lowest_gain; s8 low_gain; s8 temp_vco; @@ -114,8 +115,11 @@ struct mt76x02_dev { struct mt76x02_dfs_pattern_detector dfs_pd; /* edcca monitor */ + unsigned long ed_trigger_timeout; bool ed_tx_blocked; bool ed_monitor; + u8 ed_monitor_enabled; + u8 ed_monitor_learning; u8 ed_trigger; u8 ed_silent; ktime_t ed_time; @@ -188,6 +192,13 @@ void mt76x02_mac_start(struct mt76x02_dev *dev); void mt76x02_init_debugfs(struct mt76x02_dev *dev); +static inline bool is_mt76x0(struct mt76x02_dev *dev) +{ + return mt76_chip(&dev->mt76) == 0x7610 || + mt76_chip(&dev->mt76) == 0x7630 || + mt76_chip(&dev->mt76) == 0x7650; +} + static inline bool is_mt76x2(struct mt76x02_dev *dev) { return mt76_chip(&dev->mt76) == 0x7612 || diff --git a/drivers/net/wireless/mediatek/mt76/mt76x02_debugfs.c b/drivers/net/wireless/mediatek/mt76/mt76x02_debugfs.c index 7580c5c986ff..b1d6fd4861e3 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76x02_debugfs.c +++ b/drivers/net/wireless/mediatek/mt76/mt76x02_debugfs.c @@ -116,6 +116,32 @@ static int read_agc(struct seq_file *file, void *data) return 0; } +static int +mt76_edcca_set(void *data, u64 val) +{ + struct mt76x02_dev *dev = data; + enum nl80211_dfs_regions region = dev->dfs_pd.region; + + dev->ed_monitor_enabled = !!val; + dev->ed_monitor = dev->ed_monitor_enabled && + region == NL80211_DFS_ETSI; + mt76x02_edcca_init(dev, true); + + return 0; +} + +static int +mt76_edcca_get(void *data, u64 *val) +{ + struct mt76x02_dev *dev = data; + + *val = dev->ed_monitor_enabled; + return 0; +} + +DEFINE_DEBUGFS_ATTRIBUTE(fops_edcca, mt76_edcca_get, mt76_edcca_set, + "%lld\n"); + void mt76x02_init_debugfs(struct mt76x02_dev *dev) { struct dentry *dir; @@ -127,6 +153,7 @@ void mt76x02_init_debugfs(struct mt76x02_dev *dev) debugfs_create_u8("temperature", 0400, dir, &dev->cal.temp); debugfs_create_bool("tpc", 0600, dir, &dev->enable_tpc); + debugfs_create_file("edcca", 0400, dir, dev, &fops_edcca); debugfs_create_file("ampdu_stat", 0400, dir, dev, &fops_ampdu_stat); debugfs_create_file("dfs_stats", 0400, dir, dev, &fops_dfs_stat); debugfs_create_devm_seqfile(dev->mt76.dev, "txpower", dir, diff --git a/drivers/net/wireless/mediatek/mt76/mt76x02_dfs.c b/drivers/net/wireless/mediatek/mt76/mt76x02_dfs.c index e4649103efd4..17d12d212d1b 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76x02_dfs.c +++ b/drivers/net/wireless/mediatek/mt76/mt76x02_dfs.c @@ -885,7 +885,8 @@ mt76x02_dfs_set_domain(struct mt76x02_dev *dev, if (dfs_pd->region != region) { tasklet_disable(&dfs_pd->dfs_tasklet); - dev->ed_monitor = region == NL80211_DFS_ETSI; + dev->ed_monitor = dev->ed_monitor_enabled && + region == NL80211_DFS_ETSI; mt76x02_edcca_init(dev, true); dfs_pd->region = region; diff --git a/drivers/net/wireless/mediatek/mt76/mt76x02_mac.c b/drivers/net/wireless/mediatek/mt76/mt76x02_mac.c index 91ff6598eccf..9ed231abe916 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76x02_mac.c +++ b/drivers/net/wireless/mediatek/mt76/mt76x02_mac.c @@ -67,12 +67,39 @@ int mt76x02_mac_shared_key_setup(struct mt76x02_dev *dev, u8 vif_idx, } EXPORT_SYMBOL_GPL(mt76x02_mac_shared_key_setup); +void mt76x02_mac_wcid_sync_pn(struct mt76x02_dev *dev, u8 idx, + struct ieee80211_key_conf *key) +{ + enum mt76x02_cipher_type cipher; + u8 key_data[32]; + u32 iv, eiv; + u64 pn; + + cipher = mt76x02_mac_get_key_info(key, key_data); + iv = mt76_rr(dev, MT_WCID_IV(idx)); + eiv = mt76_rr(dev, MT_WCID_IV(idx) + 4); + + pn = (u64)eiv << 16; + if (cipher == MT_CIPHER_TKIP) { + pn |= (iv >> 16) & 0xff; + pn |= (iv & 0xff) << 8; + } else if (cipher >= MT_CIPHER_AES_CCMP) { + pn |= iv & 0xffff; + } else { + return; + } + + atomic64_set(&key->tx_pn, pn); +} + + int mt76x02_mac_wcid_set_key(struct mt76x02_dev *dev, u8 idx, struct ieee80211_key_conf *key) { enum mt76x02_cipher_type cipher; u8 key_data[32]; u8 iv_data[8]; + u64 pn; cipher = mt76x02_mac_get_key_info(key, key_data); if (cipher == MT_CIPHER_NONE && key) @@ -85,9 +112,22 @@ int mt76x02_mac_wcid_set_key(struct mt76x02_dev *dev, u8 idx, if (key) { mt76_rmw_field(dev, MT_WCID_ATTR(idx), MT_WCID_ATTR_PAIRWISE, !!(key->flags & IEEE80211_KEY_FLAG_PAIRWISE)); + + pn = atomic64_read(&key->tx_pn); + iv_data[3] = key->keyidx << 6; - if (cipher >= MT_CIPHER_TKIP) + if (cipher >= MT_CIPHER_TKIP) { iv_data[3] |= 0x20; + put_unaligned_le32(pn >> 16, &iv_data[4]); + } + + if (cipher == MT_CIPHER_TKIP) { + iv_data[0] = (pn >> 8) & 0xff; + iv_data[1] = (iv_data[0] | 0x20) & 0x7f; + iv_data[2] = pn & 0xff; + } else if (cipher >= MT_CIPHER_AES_CCMP) { + put_unaligned_le16((pn & 0xffff), &iv_data[0]); + } } mt76_wr_copy(dev, MT_WCID_IV(idx), iv_data, sizeof(iv_data)); @@ -920,6 +960,7 @@ void mt76x02_edcca_init(struct mt76x02_dev *dev, bool enable) } } mt76x02_edcca_tx_enable(dev, true); + dev->ed_monitor_learning = true; /* clear previous CCA timer value */ mt76_rr(dev, MT_ED_CCA_TIMER); @@ -929,6 +970,10 @@ EXPORT_SYMBOL_GPL(mt76x02_edcca_init); #define MT_EDCCA_TH 92 #define MT_EDCCA_BLOCK_TH 2 +#define MT_EDCCA_LEARN_TH 50 +#define MT_EDCCA_LEARN_CCA 180 +#define MT_EDCCA_LEARN_TIMEOUT (20 * HZ) + static void mt76x02_edcca_check(struct mt76x02_dev *dev) { ktime_t cur_time; @@ -951,11 +996,23 @@ static void mt76x02_edcca_check(struct mt76x02_dev *dev) dev->ed_trigger = 0; } - if (dev->ed_trigger > MT_EDCCA_BLOCK_TH && - !dev->ed_tx_blocked) + if (dev->cal.agc_lowest_gain && + dev->cal.false_cca > MT_EDCCA_LEARN_CCA && + dev->ed_trigger > MT_EDCCA_LEARN_TH) { + dev->ed_monitor_learning = false; + dev->ed_trigger_timeout = jiffies + 20 * HZ; + } else if (!dev->ed_monitor_learning && + time_is_after_jiffies(dev->ed_trigger_timeout)) { + dev->ed_monitor_learning = true; + mt76x02_edcca_tx_enable(dev, true); + } + + if (dev->ed_monitor_learning) + return; + + if (dev->ed_trigger > MT_EDCCA_BLOCK_TH && !dev->ed_tx_blocked) mt76x02_edcca_tx_enable(dev, false); - else if (dev->ed_silent > MT_EDCCA_BLOCK_TH && - dev->ed_tx_blocked) + else if (dev->ed_silent > MT_EDCCA_BLOCK_TH && dev->ed_tx_blocked) mt76x02_edcca_tx_enable(dev, true); } diff --git a/drivers/net/wireless/mediatek/mt76/mt76x02_mac.h b/drivers/net/wireless/mediatek/mt76/mt76x02_mac.h index 6b1f25d2f64c..caeeef96c42f 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76x02_mac.h +++ b/drivers/net/wireless/mediatek/mt76/mt76x02_mac.h @@ -177,6 +177,8 @@ int mt76x02_mac_shared_key_setup(struct mt76x02_dev *dev, u8 vif_idx, u8 key_idx, struct ieee80211_key_conf *key); int mt76x02_mac_wcid_set_key(struct mt76x02_dev *dev, u8 idx, struct ieee80211_key_conf *key); +void mt76x02_mac_wcid_sync_pn(struct mt76x02_dev *dev, u8 idx, + struct ieee80211_key_conf *key); void mt76x02_mac_wcid_setup(struct mt76x02_dev *dev, u8 idx, u8 vif_idx, u8 *mac); void mt76x02_mac_wcid_set_drop(struct mt76x02_dev *dev, u8 idx, bool drop); diff --git a/drivers/net/wireless/mediatek/mt76/mt76x02_mmio.c b/drivers/net/wireless/mediatek/mt76/mt76x02_mmio.c index 1229f19f2b02..daaed1220147 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76x02_mmio.c +++ b/drivers/net/wireless/mediatek/mt76/mt76x02_mmio.c @@ -19,6 +19,7 @@ #include <linux/irq.h> #include "mt76x02.h" +#include "mt76x02_mcu.h" #include "mt76x02_trace.h" struct beacon_bc_data { @@ -418,9 +419,66 @@ static bool mt76x02_tx_hang(struct mt76x02_dev *dev) return i < 4; } +static void mt76x02_key_sync(struct ieee80211_hw *hw, struct ieee80211_vif *vif, + struct ieee80211_sta *sta, + struct ieee80211_key_conf *key, void *data) +{ + struct mt76x02_dev *dev = hw->priv; + struct mt76_wcid *wcid; + + if (!sta) + return; + + wcid = (struct mt76_wcid *) sta->drv_priv; + + if (wcid->hw_key_idx != key->keyidx || wcid->sw_iv) + return; + + mt76x02_mac_wcid_sync_pn(dev, wcid->idx, key); +} + +static void mt76x02_reset_state(struct mt76x02_dev *dev) +{ + int i; + + lockdep_assert_held(&dev->mt76.mutex); + + clear_bit(MT76_STATE_RUNNING, &dev->mt76.state); + + rcu_read_lock(); + ieee80211_iter_keys_rcu(dev->mt76.hw, NULL, mt76x02_key_sync, NULL); + rcu_read_unlock(); + + for (i = 0; i < ARRAY_SIZE(dev->mt76.wcid); i++) { + struct ieee80211_sta *sta; + struct ieee80211_vif *vif; + struct mt76x02_sta *msta; + struct mt76_wcid *wcid; + void *priv; + + wcid = rcu_dereference_protected(dev->mt76.wcid[i], + lockdep_is_held(&dev->mt76.mutex)); + if (!wcid) + continue; + + priv = msta = container_of(wcid, struct mt76x02_sta, wcid); + sta = container_of(priv, struct ieee80211_sta, drv_priv); + + priv = msta->vif; + vif = container_of(priv, struct ieee80211_vif, drv_priv); + + __mt76_sta_remove(&dev->mt76, vif, sta); + memset(msta, 0, sizeof(*msta)); + } + + dev->vif_mask = 0; + dev->beacon_mask = 0; +} + static void mt76x02_watchdog_reset(struct mt76x02_dev *dev) { u32 mask = dev->mt76.mmio.irqmask; + bool restart = dev->mt76.mcu_ops->mcu_restart; int i; ieee80211_stop_queues(dev->mt76.hw); @@ -434,6 +492,9 @@ static void mt76x02_watchdog_reset(struct mt76x02_dev *dev) mutex_lock(&dev->mt76.mutex); + if (restart) + mt76x02_reset_state(dev); + if (dev->beacon_mask) mt76_clear(dev, MT_BEACON_TIME_CFG, MT_BEACON_TIME_CFG_BEACON_TX | @@ -452,20 +513,21 @@ static void mt76x02_watchdog_reset(struct mt76x02_dev *dev) /* let fw reset DMA */ mt76_set(dev, 0x734, 0x3); + if (restart) + dev->mt76.mcu_ops->mcu_restart(&dev->mt76); + for (i = 0; i < ARRAY_SIZE(dev->mt76.q_tx); i++) mt76_queue_tx_cleanup(dev, i, true); for (i = 0; i < ARRAY_SIZE(dev->mt76.q_rx); i++) mt76_queue_rx_reset(dev, i); - mt76_wr(dev, MT_MAC_SYS_CTRL, - MT_MAC_SYS_CTRL_ENABLE_TX | MT_MAC_SYS_CTRL_ENABLE_RX); - mt76_set(dev, MT_WPDMA_GLO_CFG, - MT_WPDMA_GLO_CFG_TX_DMA_EN | MT_WPDMA_GLO_CFG_RX_DMA_EN); + mt76x02_mac_start(dev); + if (dev->ed_monitor) mt76_set(dev, MT_TXOP_CTRL_CFG, MT_TXOP_ED_CCA_EN); - if (dev->beacon_mask) + if (dev->beacon_mask && !restart) mt76_set(dev, MT_BEACON_TIME_CFG, MT_BEACON_TIME_CFG_BEACON_TX | MT_BEACON_TIME_CFG_TBTT_EN); @@ -486,9 +548,13 @@ static void mt76x02_watchdog_reset(struct mt76x02_dev *dev) napi_schedule(&dev->mt76.napi[i]); } - ieee80211_wake_queues(dev->mt76.hw); - - mt76_txq_schedule_all(&dev->mt76); + if (restart) { + mt76x02_mcu_function_select(dev, Q_SELECT, 1); + ieee80211_restart_hw(dev->mt76.hw); + } else { + ieee80211_wake_queues(dev->mt76.hw); + mt76_txq_schedule_all(&dev->mt76); + } } static void mt76x02_check_tx_hang(struct mt76x02_dev *dev) diff --git a/drivers/net/wireless/mediatek/mt76/mt76x02_phy.c b/drivers/net/wireless/mediatek/mt76/mt76x02_phy.c index a020c757ba5c..a54b63a96eae 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76x02_phy.c +++ b/drivers/net/wireless/mediatek/mt76/mt76x02_phy.c @@ -194,6 +194,8 @@ bool mt76x02_phy_adjust_vga_gain(struct mt76x02_dev *dev) ret = true; } + dev->cal.agc_lowest_gain = dev->cal.agc_gain_adjust >= limit; + return ret; } EXPORT_SYMBOL_GPL(mt76x02_phy_adjust_vga_gain); diff --git a/drivers/net/wireless/mediatek/mt76/mt76x02_usb_core.c b/drivers/net/wireless/mediatek/mt76/mt76x02_usb_core.c index 43f07461c8d3..6fb52b596d42 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76x02_usb_core.c +++ b/drivers/net/wireless/mediatek/mt76/mt76x02_usb_core.c @@ -85,8 +85,9 @@ int mt76x02u_tx_prepare_skb(struct mt76_dev *mdev, void *data, mt76x02_insert_hdr_pad(skb); - txwi = skb_push(skb, sizeof(struct mt76x02_txwi)); + txwi = (struct mt76x02_txwi *)(skb->data - sizeof(struct mt76x02_txwi)); mt76x02_mac_write_txwi(dev, txwi, skb, wcid, sta, len); + skb_push(skb, sizeof(struct mt76x02_txwi)); pid = mt76_tx_status_skb_add(mdev, wcid, skb); txwi->pktid = pid; diff --git a/drivers/net/wireless/mediatek/mt76/mt76x02_util.c b/drivers/net/wireless/mediatek/mt76/mt76x02_util.c index a48c261b0c63..cd072ac614f7 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76x02_util.c +++ b/drivers/net/wireless/mediatek/mt76/mt76x02_util.c @@ -237,6 +237,8 @@ int mt76x02_sta_add(struct mt76_dev *mdev, struct ieee80211_vif *vif, struct mt76x02_vif *mvif = (struct mt76x02_vif *)vif->drv_priv; int idx = 0; + memset(msta, 0, sizeof(*msta)); + idx = mt76_wcid_alloc(dev->mt76.wcid_mask, ARRAY_SIZE(dev->mt76.wcid)); if (idx < 0) return -ENOSPC; @@ -274,6 +276,8 @@ mt76x02_vif_init(struct mt76x02_dev *dev, struct ieee80211_vif *vif, struct mt76x02_vif *mvif = (struct mt76x02_vif *)vif->drv_priv; struct mt76_txq *mtxq; + memset(mvif, 0, sizeof(*mvif)); + mvif->idx = idx; mvif->group_wcid.idx = MT_VIF_WCID(idx); mvif->group_wcid.hw_key_idx = -1; @@ -289,6 +293,12 @@ mt76x02_add_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif) struct mt76x02_dev *dev = hw->priv; unsigned int idx = 0; + /* Allow to change address in HW if we create first interface. */ + if (!dev->vif_mask && + (((vif->addr[0] ^ dev->mt76.macaddr[0]) & ~GENMASK(4, 1)) || + memcmp(vif->addr + 1, dev->mt76.macaddr + 1, ETH_ALEN - 1))) + mt76x02_mac_setaddr(dev, vif->addr); + if (vif->addr[0] & BIT(1)) idx = 1 + (((dev->mt76.macaddr[0] ^ vif->addr[0]) >> 2) & 7); @@ -311,10 +321,6 @@ mt76x02_add_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif) if (dev->vif_mask & BIT(idx)) return -EBUSY; - /* Allow to change address in HW if we create first interface. */ - if (!dev->vif_mask && !ether_addr_equal(dev->mt76.macaddr, vif->addr)) - mt76x02_mac_setaddr(dev, vif->addr); - dev->vif_mask |= BIT(idx); mt76x02_vif_init(dev, vif, idx); diff --git a/drivers/net/wireless/mediatek/mt76/mt76x2/init.c b/drivers/net/wireless/mediatek/mt76/mt76x2/init.c index f8534362e2c8..a30ef2c5a9db 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76x2/init.c +++ b/drivers/net/wireless/mediatek/mt76/mt76x2/init.c @@ -106,7 +106,7 @@ void mt76_write_mac_initvals(struct mt76x02_dev *dev) { MT_TX_SW_CFG1, 0x00010000 }, { MT_TX_SW_CFG2, 0x00000000 }, { MT_TXOP_CTRL_CFG, 0x0400583f }, - { MT_TX_RTS_CFG, 0x00100020 }, + { MT_TX_RTS_CFG, 0x00ffff20 }, { MT_TX_TIMEOUT_CFG, 0x000a2290 }, { MT_TX_RETRY_CFG, 0x47f01f0f }, { MT_EXP_ACK_TIME, 0x002c00dc }, diff --git a/drivers/net/wireless/mediatek/mt76/mt76x2/mt76x2.h b/drivers/net/wireless/mediatek/mt76/mt76x2/mt76x2.h index 6c619f1c65c9..d7abe3d73bad 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76x2/mt76x2.h +++ b/drivers/net/wireless/mediatek/mt76/mt76x2/mt76x2.h @@ -71,6 +71,7 @@ int mt76x2_mcu_load_cr(struct mt76x02_dev *dev, u8 type, u8 temp_level, void mt76x2_cleanup(struct mt76x02_dev *dev); +int mt76x2_mac_reset(struct mt76x02_dev *dev, bool hard); void mt76x2_reset_wlan(struct mt76x02_dev *dev, bool enable); void mt76x2_init_txpower(struct mt76x02_dev *dev, struct ieee80211_supported_band *sband); diff --git a/drivers/net/wireless/mediatek/mt76/mt76x2/pci_init.c b/drivers/net/wireless/mediatek/mt76/mt76x2/pci_init.c index 984d9c4c2e1a..d3927a13e92e 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76x2/pci_init.c +++ b/drivers/net/wireless/mediatek/mt76/mt76x2/pci_init.c @@ -77,7 +77,7 @@ mt76x2_fixup_xtal(struct mt76x02_dev *dev) } } -static int mt76x2_mac_reset(struct mt76x02_dev *dev, bool hard) +int mt76x2_mac_reset(struct mt76x02_dev *dev, bool hard) { const u8 *macaddr = dev->mt76.macaddr; u32 val; diff --git a/drivers/net/wireless/mediatek/mt76/mt76x2/pci_mcu.c b/drivers/net/wireless/mediatek/mt76/mt76x2/pci_mcu.c index 03e24ae7f66c..605dc66ae83b 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76x2/pci_mcu.c +++ b/drivers/net/wireless/mediatek/mt76/mt76x2/pci_mcu.c @@ -165,9 +165,30 @@ error: return -ENOENT; } +static int +mt76pci_mcu_restart(struct mt76_dev *mdev) +{ + struct mt76x02_dev *dev; + int ret; + + dev = container_of(mdev, struct mt76x02_dev, mt76); + + mt76x02_mcu_cleanup(dev); + mt76x2_mac_reset(dev, true); + + ret = mt76pci_load_firmware(dev); + if (ret) + return ret; + + mt76_wr(dev, MT_WPDMA_RST_IDX, ~0); + + return 0; +} + int mt76x2_mcu_init(struct mt76x02_dev *dev) { static const struct mt76_mcu_ops mt76x2_mcu_ops = { + .mcu_restart = mt76pci_mcu_restart, .mcu_send_msg = mt76x02_mcu_msg_send, }; int ret; diff --git a/drivers/net/wireless/mediatek/mt76/mt76x2/phy.c b/drivers/net/wireless/mediatek/mt76/mt76x2/phy.c index 1848e8ab2e21..769a9b972044 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76x2/phy.c +++ b/drivers/net/wireless/mediatek/mt76/mt76x2/phy.c @@ -260,10 +260,15 @@ mt76x2_phy_set_gain_val(struct mt76x02_dev *dev) gain_val[0] = dev->cal.agc_gain_cur[0] - dev->cal.agc_gain_adjust; gain_val[1] = dev->cal.agc_gain_cur[1] - dev->cal.agc_gain_adjust; - if (dev->mt76.chandef.width >= NL80211_CHAN_WIDTH_40) + val = 0x1836 << 16; + if (!mt76x2_has_ext_lna(dev) && + dev->mt76.chandef.width >= NL80211_CHAN_WIDTH_40) val = 0x1e42 << 16; - else - val = 0x1836 << 16; + + if (mt76x2_has_ext_lna(dev) && + dev->mt76.chandef.chan->band == NL80211_BAND_2GHZ && + dev->mt76.chandef.width < NL80211_CHAN_WIDTH_40) + val = 0x0f36 << 16; val |= 0xf8; @@ -280,6 +285,7 @@ void mt76x2_phy_update_channel_gain(struct mt76x02_dev *dev) { u8 *gain = dev->cal.agc_gain_init; u8 low_gain_delta, gain_delta; + u32 agc_35, agc_37; bool gain_change; int low_gain; u32 val; @@ -318,6 +324,16 @@ void mt76x2_phy_update_channel_gain(struct mt76x02_dev *dev) else low_gain_delta = 14; + agc_37 = 0x2121262c; + if (dev->mt76.chandef.chan->band == NL80211_BAND_2GHZ) + agc_35 = 0x11111516; + else if (low_gain == 2) + agc_35 = agc_37 = 0x08080808; + else if (dev->mt76.chandef.width == NL80211_CHAN_WIDTH_80) + agc_35 = 0x10101014; + else + agc_35 = 0x11111116; + if (low_gain == 2) { mt76_wr(dev, MT_BBP(RXO, 18), 0xf000a990); mt76_wr(dev, MT_BBP(AGC, 35), 0x08080808); @@ -326,15 +342,13 @@ void mt76x2_phy_update_channel_gain(struct mt76x02_dev *dev) dev->cal.agc_gain_adjust = 0; } else { mt76_wr(dev, MT_BBP(RXO, 18), 0xf000a991); - if (dev->mt76.chandef.width == NL80211_CHAN_WIDTH_80) - mt76_wr(dev, MT_BBP(AGC, 35), 0x10101014); - else - mt76_wr(dev, MT_BBP(AGC, 35), 0x11111116); - mt76_wr(dev, MT_BBP(AGC, 37), 0x2121262C); gain_delta = 0; dev->cal.agc_gain_adjust = low_gain_delta; } + mt76_wr(dev, MT_BBP(AGC, 35), agc_35); + mt76_wr(dev, MT_BBP(AGC, 37), agc_37); + dev->cal.agc_gain_cur[0] = gain[0] - gain_delta; dev->cal.agc_gain_cur[1] = gain[1] - gain_delta; mt76x2_phy_set_gain_val(dev); diff --git a/drivers/net/wireless/mediatek/mt76/mt76x2/usb.c b/drivers/net/wireless/mediatek/mt76/mt76x2/usb.c index ddb6b2c48e01..ac0f13d46299 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76x2/usb.c +++ b/drivers/net/wireless/mediatek/mt76/mt76x2/usb.c @@ -21,11 +21,10 @@ #include "mt76x2u.h" static const struct usb_device_id mt76x2u_device_table[] = { - { USB_DEVICE(0x0e8d, 0x7612) }, /* Alfa AWUS036ACM */ { USB_DEVICE(0x0b05, 0x1833) }, /* Asus USB-AC54 */ { USB_DEVICE(0x0b05, 0x17eb) }, /* Asus USB-AC55 */ { USB_DEVICE(0x0b05, 0x180b) }, /* Asus USB-N53 B1 */ - { USB_DEVICE(0x0e8d, 0x7612) }, /* Aukey USB-AC1200 */ + { USB_DEVICE(0x0e8d, 0x7612) }, /* Aukey USBAC1200 - Alfa AWUS036ACM */ { USB_DEVICE(0x057c, 0x8503) }, /* Avm FRITZ!WLAN AC860 */ { USB_DEVICE(0x7392, 0xb711) }, /* Edimax EW 7722 UAC */ { USB_DEVICE(0x0846, 0x9053) }, /* Netgear A6210 */ @@ -66,6 +65,10 @@ static int mt76x2u_probe(struct usb_interface *intf, mdev->rev = mt76_rr(dev, MT_ASIC_VERSION); dev_info(mdev->dev, "ASIC revision: %08x\n", mdev->rev); + if (!is_mt76x2(dev)) { + err = -ENODEV; + goto err; + } err = mt76x2u_register_device(dev); if (err < 0) diff --git a/drivers/net/wireless/mediatek/mt76/mt76x2/usb_mac.c b/drivers/net/wireless/mediatek/mt76/mt76x2/usb_mac.c index 5e84b4535cb1..3b82345756ea 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76x2/usb_mac.c +++ b/drivers/net/wireless/mediatek/mt76/mt76x2/usb_mac.c @@ -93,7 +93,6 @@ int mt76x2u_mac_reset(struct mt76x02_dev *dev) mt76_wr(dev, MT_TX_LINK_CFG, 0x1020); mt76_wr(dev, MT_AUTO_RSP_CFG, 0x13); mt76_wr(dev, MT_MAX_LEN_CFG, 0x2f00); - mt76_wr(dev, MT_TX_RTS_CFG, 0x92b20); mt76_wr(dev, MT_WMM_AIFSN, 0x2273); mt76_wr(dev, MT_WMM_CWMIN, 0x2344); diff --git a/drivers/net/wireless/mediatek/mt76/tx.c b/drivers/net/wireless/mediatek/mt76/tx.c index 5a349fe3e576..2585df512335 100644 --- a/drivers/net/wireless/mediatek/mt76/tx.c +++ b/drivers/net/wireless/mediatek/mt76/tx.c @@ -289,8 +289,11 @@ mt76_tx(struct mt76_dev *dev, struct ieee80211_sta *sta, dev->queue_ops->tx_queue_skb(dev, q, skb, wcid, sta); dev->queue_ops->kick(dev, q); - if (q->queued > q->ndesc - 8) + if (q->queued > q->ndesc - 8 && !q->stopped) { ieee80211_stop_queue(dev->hw, skb_get_queue_mapping(skb)); + q->stopped = true; + } + spin_unlock_bh(&q->lock); } EXPORT_SYMBOL_GPL(mt76_tx); @@ -374,7 +377,10 @@ mt76_release_buffered_frames(struct ieee80211_hw *hw, struct ieee80211_sta *sta, if (last_skb) { mt76_queue_ps_skb(dev, sta, last_skb, true); dev->queue_ops->kick(dev, hwq); + } else { + ieee80211_sta_eosp(sta); } + spin_unlock_bh(&hwq->lock); } EXPORT_SYMBOL_GPL(mt76_release_buffered_frames); @@ -577,6 +583,9 @@ void mt76_wake_tx_queue(struct ieee80211_hw *hw, struct ieee80211_txq *txq) struct mt76_txq *mtxq = (struct mt76_txq *) txq->drv_priv; struct mt76_queue *hwq = mtxq->hwq; + if (!test_bit(MT76_STATE_RUNNING, &dev->state)) + return; + spin_lock_bh(&hwq->lock); if (list_empty(&mtxq->list)) list_add_tail(&mtxq->list, &hwq->swq); diff --git a/drivers/net/wireless/mediatek/mt76/usb.c b/drivers/net/wireless/mediatek/mt76/usb.c index ae6ada370597..4c1abd492405 100644 --- a/drivers/net/wireless/mediatek/mt76/usb.c +++ b/drivers/net/wireless/mediatek/mt76/usb.c @@ -655,7 +655,11 @@ static void mt76u_tx_tasklet(unsigned long data) spin_lock_bh(&q->lock); } mt76_txq_schedule(dev, q); - wake = i < IEEE80211_NUM_ACS && q->queued < q->ndesc - 8; + + wake = q->stopped && q->queued < q->ndesc - 8; + if (wake) + q->stopped = false; + if (!q->queued) wake_up(&dev->tx_wait); diff --git a/drivers/net/wireless/mediatek/mt7601u/usb.c b/drivers/net/wireless/mediatek/mt7601u/usb.c index d8b7863f7926..6ae7f14dc9bf 100644 --- a/drivers/net/wireless/mediatek/mt7601u/usb.c +++ b/drivers/net/wireless/mediatek/mt7601u/usb.c @@ -303,6 +303,10 @@ static int mt7601u_probe(struct usb_interface *usb_intf, mac_rev = mt7601u_rr(dev, MT_MAC_CSR0); dev_info(dev->dev, "ASIC revision: %08x MAC revision: %08x\n", asic_rev, mac_rev); + if ((asic_rev >> 16) != 0x7601) { + ret = -ENODEV; + goto err; + } /* Note: vendor driver skips this check for MT7601U */ if (!(mt7601u_rr(dev, MT_EFUSE_CTRL) & MT_EFUSE_CTRL_SEL)) diff --git a/drivers/nvme/host/multipath.c b/drivers/nvme/host/multipath.c index 2839bb70badf..f0716f6ce41f 100644 --- a/drivers/nvme/host/multipath.c +++ b/drivers/nvme/host/multipath.c @@ -404,15 +404,12 @@ static inline bool nvme_state_is_live(enum nvme_ana_state state) static void nvme_update_ns_ana_state(struct nvme_ana_group_desc *desc, struct nvme_ns *ns) { - enum nvme_ana_state old; - mutex_lock(&ns->head->lock); - old = ns->ana_state; ns->ana_grpid = le32_to_cpu(desc->grpid); ns->ana_state = desc->state; clear_bit(NVME_NS_ANA_PENDING, &ns->flags); - if (nvme_state_is_live(ns->ana_state) && !nvme_state_is_live(old)) + if (nvme_state_is_live(ns->ana_state)) nvme_mpath_set_live(ns); mutex_unlock(&ns->head->lock); } diff --git a/drivers/nvme/host/tcp.c b/drivers/nvme/host/tcp.c index e7e08889865e..68c49dd67210 100644 --- a/drivers/nvme/host/tcp.c +++ b/drivers/nvme/host/tcp.c @@ -627,7 +627,7 @@ static int nvme_tcp_recv_pdu(struct nvme_tcp_queue *queue, struct sk_buff *skb, return ret; } -static inline void nvme_tcp_end_request(struct request *rq, __le16 status) +static inline void nvme_tcp_end_request(struct request *rq, u16 status) { union nvme_result res = {}; diff --git a/drivers/nvme/target/core.c b/drivers/nvme/target/core.c index 2d73b66e3686..b3e765a95af8 100644 --- a/drivers/nvme/target/core.c +++ b/drivers/nvme/target/core.c @@ -509,7 +509,7 @@ int nvmet_ns_enable(struct nvmet_ns *ns) ret = nvmet_p2pmem_ns_enable(ns); if (ret) - goto out_unlock; + goto out_dev_disable; list_for_each_entry(ctrl, &subsys->ctrls, subsys_entry) nvmet_p2pmem_ns_add_p2p(ctrl, ns); @@ -550,7 +550,7 @@ out_unlock: out_dev_put: list_for_each_entry(ctrl, &subsys->ctrls, subsys_entry) pci_dev_put(radix_tree_delete(&ctrl->p2p_ns_map, ns->nsid)); - +out_dev_disable: nvmet_ns_dev_disable(ns); goto out_unlock; } diff --git a/drivers/nvme/target/io-cmd-file.c b/drivers/nvme/target/io-cmd-file.c index 3e43212d3c1c..bc6ebb51b0bf 100644 --- a/drivers/nvme/target/io-cmd-file.c +++ b/drivers/nvme/target/io-cmd-file.c @@ -75,11 +75,11 @@ err: return ret; } -static void nvmet_file_init_bvec(struct bio_vec *bv, struct sg_page_iter *iter) +static void nvmet_file_init_bvec(struct bio_vec *bv, struct scatterlist *sg) { - bv->bv_page = sg_page_iter_page(iter); - bv->bv_offset = iter->sg->offset; - bv->bv_len = PAGE_SIZE - iter->sg->offset; + bv->bv_page = sg_page(sg); + bv->bv_offset = sg->offset; + bv->bv_len = sg->length; } static ssize_t nvmet_file_submit_bvec(struct nvmet_req *req, loff_t pos, @@ -128,14 +128,14 @@ static void nvmet_file_io_done(struct kiocb *iocb, long ret, long ret2) static bool nvmet_file_execute_io(struct nvmet_req *req, int ki_flags) { - ssize_t nr_bvec = DIV_ROUND_UP(req->data_len, PAGE_SIZE); - struct sg_page_iter sg_pg_iter; + ssize_t nr_bvec = req->sg_cnt; unsigned long bv_cnt = 0; bool is_sync = false; size_t len = 0, total_len = 0; ssize_t ret = 0; loff_t pos; - + int i; + struct scatterlist *sg; if (req->f.mpool_alloc && nr_bvec > NVMET_MAX_MPOOL_BVEC) is_sync = true; @@ -147,8 +147,8 @@ static bool nvmet_file_execute_io(struct nvmet_req *req, int ki_flags) } memset(&req->f.iocb, 0, sizeof(struct kiocb)); - for_each_sg_page(req->sg, &sg_pg_iter, req->sg_cnt, 0) { - nvmet_file_init_bvec(&req->f.bvec[bv_cnt], &sg_pg_iter); + for_each_sg(req->sg, sg, req->sg_cnt, i) { + nvmet_file_init_bvec(&req->f.bvec[bv_cnt], sg); len += req->f.bvec[bv_cnt].bv_len; total_len += req->f.bvec[bv_cnt].bv_len; bv_cnt++; @@ -225,7 +225,7 @@ static void nvmet_file_submit_buffered_io(struct nvmet_req *req) static void nvmet_file_execute_rw(struct nvmet_req *req) { - ssize_t nr_bvec = DIV_ROUND_UP(req->data_len, PAGE_SIZE); + ssize_t nr_bvec = req->sg_cnt; if (!req->sg_cnt || !nr_bvec) { nvmet_req_complete(req, 0); diff --git a/drivers/parport/daisy.c b/drivers/parport/daisy.c index 56dd83a45e55..5484a46dafda 100644 --- a/drivers/parport/daisy.c +++ b/drivers/parport/daisy.c @@ -213,12 +213,10 @@ void parport_daisy_fini(struct parport *port) struct pardevice *parport_open(int devnum, const char *name) { struct daisydev *p = topology; - struct pardev_cb par_cb; struct parport *port; struct pardevice *dev; int daisy; - memset(&par_cb, 0, sizeof(par_cb)); spin_lock(&topology_lock); while (p && p->devnum != devnum) p = p->next; @@ -232,7 +230,7 @@ struct pardevice *parport_open(int devnum, const char *name) port = parport_get_port(p->port); spin_unlock(&topology_lock); - dev = parport_register_dev_model(port, name, &par_cb, devnum); + dev = parport_register_device(port, name, NULL, NULL, NULL, 0, NULL); parport_put_port(port); if (!dev) return NULL; @@ -482,31 +480,3 @@ static int assign_addrs(struct parport *port) kfree(deviceid); return detected; } - -static int daisy_drv_probe(struct pardevice *par_dev) -{ - struct device_driver *drv = par_dev->dev.driver; - - if (strcmp(drv->name, "daisy_drv")) - return -ENODEV; - if (strcmp(par_dev->name, daisy_dev_name)) - return -ENODEV; - - return 0; -} - -static struct parport_driver daisy_driver = { - .name = "daisy_drv", - .probe = daisy_drv_probe, - .devmodel = true, -}; - -int daisy_drv_init(void) -{ - return parport_register_driver(&daisy_driver); -} - -void daisy_drv_exit(void) -{ - parport_unregister_driver(&daisy_driver); -} diff --git a/drivers/parport/probe.c b/drivers/parport/probe.c index e5e6a463a941..e035174ba205 100644 --- a/drivers/parport/probe.c +++ b/drivers/parport/probe.c @@ -257,7 +257,7 @@ static ssize_t parport_read_device_id (struct parport *port, char *buffer, ssize_t parport_device_id (int devnum, char *buffer, size_t count) { ssize_t retval = -ENXIO; - struct pardevice *dev = parport_open(devnum, daisy_dev_name); + struct pardevice *dev = parport_open (devnum, "Device ID probe"); if (!dev) return -ENXIO; diff --git a/drivers/parport/share.c b/drivers/parport/share.c index 0171b8dbcdcd..5dc53d420ca8 100644 --- a/drivers/parport/share.c +++ b/drivers/parport/share.c @@ -137,19 +137,11 @@ static struct bus_type parport_bus_type = { int parport_bus_init(void) { - int retval; - - retval = bus_register(&parport_bus_type); - if (retval) - return retval; - daisy_drv_init(); - - return 0; + return bus_register(&parport_bus_type); } void parport_bus_exit(void) { - daisy_drv_exit(); bus_unregister(&parport_bus_type); } diff --git a/drivers/pci/pci.h b/drivers/pci/pci.h index 224d88634115..d994839a3e24 100644 --- a/drivers/pci/pci.h +++ b/drivers/pci/pci.h @@ -273,6 +273,7 @@ enum pcie_link_width pcie_get_width_cap(struct pci_dev *dev); u32 pcie_bandwidth_capable(struct pci_dev *dev, enum pci_bus_speed *speed, enum pcie_link_width *width); void __pcie_print_link_status(struct pci_dev *dev, bool verbose); +void pcie_report_downtraining(struct pci_dev *dev); /* Single Root I/O Virtualization */ struct pci_sriov { diff --git a/drivers/pci/pcie/bw_notification.c b/drivers/pci/pcie/bw_notification.c index d2eae3b7cc0f..4fa9e3523ee1 100644 --- a/drivers/pci/pcie/bw_notification.c +++ b/drivers/pci/pcie/bw_notification.c @@ -30,6 +30,8 @@ static void pcie_enable_link_bandwidth_notification(struct pci_dev *dev) { u16 lnk_ctl; + pcie_capability_write_word(dev, PCI_EXP_LNKSTA, PCI_EXP_LNKSTA_LBMS); + pcie_capability_read_word(dev, PCI_EXP_LNKCTL, &lnk_ctl); lnk_ctl |= PCI_EXP_LNKCTL_LBMIE; pcie_capability_write_word(dev, PCI_EXP_LNKCTL, lnk_ctl); @@ -44,11 +46,10 @@ static void pcie_disable_link_bandwidth_notification(struct pci_dev *dev) pcie_capability_write_word(dev, PCI_EXP_LNKCTL, lnk_ctl); } -static irqreturn_t pcie_bw_notification_handler(int irq, void *context) +static irqreturn_t pcie_bw_notification_irq(int irq, void *context) { struct pcie_device *srv = context; struct pci_dev *port = srv->port; - struct pci_dev *dev; u16 link_status, events; int ret; @@ -58,17 +59,26 @@ static irqreturn_t pcie_bw_notification_handler(int irq, void *context) if (ret != PCIBIOS_SUCCESSFUL || !events) return IRQ_NONE; + pcie_capability_write_word(port, PCI_EXP_LNKSTA, events); + pcie_update_link_speed(port->subordinate, link_status); + return IRQ_WAKE_THREAD; +} + +static irqreturn_t pcie_bw_notification_handler(int irq, void *context) +{ + struct pcie_device *srv = context; + struct pci_dev *port = srv->port; + struct pci_dev *dev; + /* * Print status from downstream devices, not this root port or * downstream switch port. */ down_read(&pci_bus_sem); list_for_each_entry(dev, &port->subordinate->devices, bus_list) - __pcie_print_link_status(dev, false); + pcie_report_downtraining(dev); up_read(&pci_bus_sem); - pcie_update_link_speed(port->subordinate, link_status); - pcie_capability_write_word(port, PCI_EXP_LNKSTA, events); return IRQ_HANDLED; } @@ -80,7 +90,8 @@ static int pcie_bandwidth_notification_probe(struct pcie_device *srv) if (!pcie_link_bandwidth_notification_supported(srv->port)) return -ENODEV; - ret = request_threaded_irq(srv->irq, NULL, pcie_bw_notification_handler, + ret = request_threaded_irq(srv->irq, pcie_bw_notification_irq, + pcie_bw_notification_handler, IRQF_SHARED, "PCIe BW notif", srv); if (ret) return ret; diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c index 2ec0df04e0dc..7e12d0163863 100644 --- a/drivers/pci/probe.c +++ b/drivers/pci/probe.c @@ -2388,7 +2388,7 @@ static struct pci_dev *pci_scan_device(struct pci_bus *bus, int devfn) return dev; } -static void pcie_report_downtraining(struct pci_dev *dev) +void pcie_report_downtraining(struct pci_dev *dev) { if (!pci_is_pcie(dev)) return; diff --git a/drivers/phy/allwinner/phy-sun4i-usb.c b/drivers/phy/allwinner/phy-sun4i-usb.c index 5163097b43df..4bbd9ede38c8 100644 --- a/drivers/phy/allwinner/phy-sun4i-usb.c +++ b/drivers/phy/allwinner/phy-sun4i-usb.c @@ -485,8 +485,11 @@ static int sun4i_usb_phy_set_mode(struct phy *_phy, struct sun4i_usb_phy_data *data = to_sun4i_usb_phy_data(phy); int new_mode; - if (phy->index != 0) + if (phy->index != 0) { + if (mode == PHY_MODE_USB_HOST) + return 0; return -EINVAL; + } switch (mode) { case PHY_MODE_USB_HOST: diff --git a/drivers/platform/chrome/cros_ec_debugfs.c b/drivers/platform/chrome/cros_ec_debugfs.c index 900c7073c46f..71308766e891 100644 --- a/drivers/platform/chrome/cros_ec_debugfs.c +++ b/drivers/platform/chrome/cros_ec_debugfs.c @@ -440,7 +440,7 @@ static int cros_ec_debugfs_probe(struct platform_device *pd) ret = cros_ec_create_pdinfo(debug_info); if (ret) - goto remove_debugfs; + goto remove_log; ec->debug_info = debug_info; @@ -448,6 +448,8 @@ static int cros_ec_debugfs_probe(struct platform_device *pd) return 0; +remove_log: + cros_ec_cleanup_console_log(debug_info); remove_debugfs: debugfs_remove_recursive(debug_info->dir); return ret; @@ -467,7 +469,8 @@ static int __maybe_unused cros_ec_debugfs_suspend(struct device *dev) { struct cros_ec_dev *ec = dev_get_drvdata(dev); - cancel_delayed_work_sync(&ec->debug_info->log_poll_work); + if (ec->debug_info->log_buffer.buf) + cancel_delayed_work_sync(&ec->debug_info->log_poll_work); return 0; } @@ -476,7 +479,8 @@ static int __maybe_unused cros_ec_debugfs_resume(struct device *dev) { struct cros_ec_dev *ec = dev_get_drvdata(dev); - schedule_delayed_work(&ec->debug_info->log_poll_work, 0); + if (ec->debug_info->log_buffer.buf) + schedule_delayed_work(&ec->debug_info->log_poll_work, 0); return 0; } diff --git a/drivers/platform/chrome/wilco_ec/mailbox.c b/drivers/platform/chrome/wilco_ec/mailbox.c index f6ff29a11f1a..14355668ddfa 100644 --- a/drivers/platform/chrome/wilco_ec/mailbox.c +++ b/drivers/platform/chrome/wilco_ec/mailbox.c @@ -223,11 +223,11 @@ int wilco_ec_mailbox(struct wilco_ec_device *ec, struct wilco_ec_message *msg) msg->command, msg->type, msg->flags, msg->response_size, msg->request_size); + mutex_lock(&ec->mailbox_lock); /* Prepare request packet */ rq = ec->data_buffer; wilco_ec_prepare(msg, rq); - mutex_lock(&ec->mailbox_lock); ret = wilco_ec_transfer(ec, msg, rq); mutex_unlock(&ec->mailbox_lock); diff --git a/drivers/s390/cio/chsc.c b/drivers/s390/cio/chsc.c index 4159c63a5fd2..a835b31aad99 100644 --- a/drivers/s390/cio/chsc.c +++ b/drivers/s390/cio/chsc.c @@ -24,6 +24,7 @@ #include <asm/crw.h> #include <asm/isc.h> #include <asm/ebcdic.h> +#include <asm/ap.h> #include "css.h" #include "cio.h" @@ -586,6 +587,15 @@ static void chsc_process_sei_scm_avail(struct chsc_sei_nt0_area *sei_area) " failed (rc=%d).\n", ret); } +static void chsc_process_sei_ap_cfg_chg(struct chsc_sei_nt0_area *sei_area) +{ + CIO_CRW_EVENT(3, "chsc: ap config changed\n"); + if (sei_area->rs != 5) + return; + + ap_bus_cfg_chg(); +} + static void chsc_process_sei_nt2(struct chsc_sei_nt2_area *sei_area) { switch (sei_area->cc) { @@ -612,6 +622,9 @@ static void chsc_process_sei_nt0(struct chsc_sei_nt0_area *sei_area) case 2: /* i/o resource accessibility */ chsc_process_sei_res_acc(sei_area); break; + case 3: /* ap config changed */ + chsc_process_sei_ap_cfg_chg(sei_area); + break; case 7: /* channel-path-availability information */ chsc_process_sei_chp_avail(sei_area); break; diff --git a/drivers/s390/cio/vfio_ccw_drv.c b/drivers/s390/cio/vfio_ccw_drv.c index a10cec0e86eb..0b3b9de45c60 100644 --- a/drivers/s390/cio/vfio_ccw_drv.c +++ b/drivers/s390/cio/vfio_ccw_drv.c @@ -72,20 +72,24 @@ static void vfio_ccw_sch_io_todo(struct work_struct *work) { struct vfio_ccw_private *private; struct irb *irb; + bool is_final; private = container_of(work, struct vfio_ccw_private, io_work); irb = &private->irb; + is_final = !(scsw_actl(&irb->scsw) & + (SCSW_ACTL_DEVACT | SCSW_ACTL_SCHACT)); if (scsw_is_solicited(&irb->scsw)) { cp_update_scsw(&private->cp, &irb->scsw); - cp_free(&private->cp); + if (is_final) + cp_free(&private->cp); } memcpy(private->io_region->irb_area, irb, sizeof(*irb)); if (private->io_trigger) eventfd_signal(private->io_trigger, 1); - if (private->mdev) + if (private->mdev && is_final) private->state = VFIO_CCW_STATE_IDLE; } diff --git a/drivers/s390/crypto/ap_bus.c b/drivers/s390/crypto/ap_bus.c index e15816ff1265..1546389d71db 100644 --- a/drivers/s390/crypto/ap_bus.c +++ b/drivers/s390/crypto/ap_bus.c @@ -810,11 +810,18 @@ static int ap_device_remove(struct device *dev) struct ap_device *ap_dev = to_ap_dev(dev); struct ap_driver *ap_drv = ap_dev->drv; + /* prepare ap queue device removal */ if (is_queue_dev(dev)) - ap_queue_remove(to_ap_queue(dev)); + ap_queue_prepare_remove(to_ap_queue(dev)); + + /* driver's chance to clean up gracefully */ if (ap_drv->remove) ap_drv->remove(ap_dev); + /* now do the ap queue device remove */ + if (is_queue_dev(dev)) + ap_queue_remove(to_ap_queue(dev)); + /* Remove queue/card from list of active queues/cards */ spin_lock_bh(&ap_list_lock); if (is_card_dev(dev)) @@ -861,6 +868,16 @@ void ap_bus_force_rescan(void) EXPORT_SYMBOL(ap_bus_force_rescan); /* +* A config change has happened, force an ap bus rescan. +*/ +void ap_bus_cfg_chg(void) +{ + AP_DBF(DBF_INFO, "%s config change, forcing bus rescan\n", __func__); + + ap_bus_force_rescan(); +} + +/* * hex2bitmap() - parse hex mask string and set bitmap. * Valid strings are "0x012345678" with at least one valid hex number. * Rest of the bitmap to the right is padded with 0. No spaces allowed diff --git a/drivers/s390/crypto/ap_bus.h b/drivers/s390/crypto/ap_bus.h index d0059eae5d94..15a98a673c5c 100644 --- a/drivers/s390/crypto/ap_bus.h +++ b/drivers/s390/crypto/ap_bus.h @@ -91,6 +91,7 @@ enum ap_state { AP_STATE_WORKING, AP_STATE_QUEUE_FULL, AP_STATE_SUSPEND_WAIT, + AP_STATE_REMOVE, /* about to be removed from driver */ AP_STATE_UNBOUND, /* momentary not bound to a driver */ AP_STATE_BORKED, /* broken */ NR_AP_STATES @@ -252,6 +253,7 @@ void ap_bus_force_rescan(void); void ap_queue_init_reply(struct ap_queue *aq, struct ap_message *ap_msg); struct ap_queue *ap_queue_create(ap_qid_t qid, int device_type); +void ap_queue_prepare_remove(struct ap_queue *aq); void ap_queue_remove(struct ap_queue *aq); void ap_queue_suspend(struct ap_device *ap_dev); void ap_queue_resume(struct ap_device *ap_dev); diff --git a/drivers/s390/crypto/ap_queue.c b/drivers/s390/crypto/ap_queue.c index ba261210c6da..6a340f2c3556 100644 --- a/drivers/s390/crypto/ap_queue.c +++ b/drivers/s390/crypto/ap_queue.c @@ -420,6 +420,10 @@ static ap_func_t *ap_jumptable[NR_AP_STATES][NR_AP_EVENTS] = { [AP_EVENT_POLL] = ap_sm_suspend_read, [AP_EVENT_TIMEOUT] = ap_sm_nop, }, + [AP_STATE_REMOVE] = { + [AP_EVENT_POLL] = ap_sm_nop, + [AP_EVENT_TIMEOUT] = ap_sm_nop, + }, [AP_STATE_UNBOUND] = { [AP_EVENT_POLL] = ap_sm_nop, [AP_EVENT_TIMEOUT] = ap_sm_nop, @@ -740,18 +744,31 @@ void ap_flush_queue(struct ap_queue *aq) } EXPORT_SYMBOL(ap_flush_queue); -void ap_queue_remove(struct ap_queue *aq) +void ap_queue_prepare_remove(struct ap_queue *aq) { - ap_flush_queue(aq); + spin_lock_bh(&aq->lock); + /* flush queue */ + __ap_flush_queue(aq); + /* set REMOVE state to prevent new messages are queued in */ + aq->state = AP_STATE_REMOVE; del_timer_sync(&aq->timeout); + spin_unlock_bh(&aq->lock); +} - /* reset with zero, also clears irq registration */ +void ap_queue_remove(struct ap_queue *aq) +{ + /* + * all messages have been flushed and the state is + * AP_STATE_REMOVE. Now reset with zero which also + * clears the irq registration and move the state + * to AP_STATE_UNBOUND to signal that this queue + * is not used by any driver currently. + */ spin_lock_bh(&aq->lock); ap_zapq(aq->qid); aq->state = AP_STATE_UNBOUND; spin_unlock_bh(&aq->lock); } -EXPORT_SYMBOL(ap_queue_remove); void ap_queue_reinit_state(struct ap_queue *aq) { @@ -760,4 +777,3 @@ void ap_queue_reinit_state(struct ap_queue *aq) ap_wait(ap_sm_event(aq, AP_EVENT_POLL)); spin_unlock_bh(&aq->lock); } -EXPORT_SYMBOL(ap_queue_reinit_state); diff --git a/drivers/s390/crypto/zcrypt_api.c b/drivers/s390/crypto/zcrypt_api.c index eb93c2d27d0a..689c2af7026a 100644 --- a/drivers/s390/crypto/zcrypt_api.c +++ b/drivers/s390/crypto/zcrypt_api.c @@ -586,6 +586,7 @@ static inline bool zcrypt_check_queue(struct ap_perms *perms, int queue) static inline struct zcrypt_queue *zcrypt_pick_queue(struct zcrypt_card *zc, struct zcrypt_queue *zq, + struct module **pmod, unsigned int weight) { if (!zq || !try_module_get(zq->queue->ap_dev.drv->driver.owner)) @@ -595,15 +596,15 @@ static inline struct zcrypt_queue *zcrypt_pick_queue(struct zcrypt_card *zc, atomic_add(weight, &zc->load); atomic_add(weight, &zq->load); zq->request_count++; + *pmod = zq->queue->ap_dev.drv->driver.owner; return zq; } static inline void zcrypt_drop_queue(struct zcrypt_card *zc, struct zcrypt_queue *zq, + struct module *mod, unsigned int weight) { - struct module *mod = zq->queue->ap_dev.drv->driver.owner; - zq->request_count--; atomic_sub(weight, &zc->load); atomic_sub(weight, &zq->load); @@ -653,6 +654,7 @@ static long zcrypt_rsa_modexpo(struct ap_perms *perms, unsigned int weight, pref_weight; unsigned int func_code; int qid = 0, rc = -ENODEV; + struct module *mod; trace_s390_zcrypt_req(mex, TP_ICARSAMODEXPO); @@ -706,7 +708,7 @@ static long zcrypt_rsa_modexpo(struct ap_perms *perms, pref_weight = weight; } } - pref_zq = zcrypt_pick_queue(pref_zc, pref_zq, weight); + pref_zq = zcrypt_pick_queue(pref_zc, pref_zq, &mod, weight); spin_unlock(&zcrypt_list_lock); if (!pref_zq) { @@ -718,7 +720,7 @@ static long zcrypt_rsa_modexpo(struct ap_perms *perms, rc = pref_zq->ops->rsa_modexpo(pref_zq, mex); spin_lock(&zcrypt_list_lock); - zcrypt_drop_queue(pref_zc, pref_zq, weight); + zcrypt_drop_queue(pref_zc, pref_zq, mod, weight); spin_unlock(&zcrypt_list_lock); out: @@ -735,6 +737,7 @@ static long zcrypt_rsa_crt(struct ap_perms *perms, unsigned int weight, pref_weight; unsigned int func_code; int qid = 0, rc = -ENODEV; + struct module *mod; trace_s390_zcrypt_req(crt, TP_ICARSACRT); @@ -788,7 +791,7 @@ static long zcrypt_rsa_crt(struct ap_perms *perms, pref_weight = weight; } } - pref_zq = zcrypt_pick_queue(pref_zc, pref_zq, weight); + pref_zq = zcrypt_pick_queue(pref_zc, pref_zq, &mod, weight); spin_unlock(&zcrypt_list_lock); if (!pref_zq) { @@ -800,7 +803,7 @@ static long zcrypt_rsa_crt(struct ap_perms *perms, rc = pref_zq->ops->rsa_modexpo_crt(pref_zq, crt); spin_lock(&zcrypt_list_lock); - zcrypt_drop_queue(pref_zc, pref_zq, weight); + zcrypt_drop_queue(pref_zc, pref_zq, mod, weight); spin_unlock(&zcrypt_list_lock); out: @@ -819,6 +822,7 @@ static long _zcrypt_send_cprb(struct ap_perms *perms, unsigned int func_code; unsigned short *domain; int qid = 0, rc = -ENODEV; + struct module *mod; trace_s390_zcrypt_req(xcRB, TB_ZSECSENDCPRB); @@ -865,7 +869,7 @@ static long _zcrypt_send_cprb(struct ap_perms *perms, pref_weight = weight; } } - pref_zq = zcrypt_pick_queue(pref_zc, pref_zq, weight); + pref_zq = zcrypt_pick_queue(pref_zc, pref_zq, &mod, weight); spin_unlock(&zcrypt_list_lock); if (!pref_zq) { @@ -881,7 +885,7 @@ static long _zcrypt_send_cprb(struct ap_perms *perms, rc = pref_zq->ops->send_cprb(pref_zq, xcRB, &ap_msg); spin_lock(&zcrypt_list_lock); - zcrypt_drop_queue(pref_zc, pref_zq, weight); + zcrypt_drop_queue(pref_zc, pref_zq, mod, weight); spin_unlock(&zcrypt_list_lock); out: @@ -932,6 +936,7 @@ static long zcrypt_send_ep11_cprb(struct ap_perms *perms, unsigned int func_code; struct ap_message ap_msg; int qid = 0, rc = -ENODEV; + struct module *mod; trace_s390_zcrypt_req(xcrb, TP_ZSENDEP11CPRB); @@ -1000,7 +1005,7 @@ static long zcrypt_send_ep11_cprb(struct ap_perms *perms, pref_weight = weight; } } - pref_zq = zcrypt_pick_queue(pref_zc, pref_zq, weight); + pref_zq = zcrypt_pick_queue(pref_zc, pref_zq, &mod, weight); spin_unlock(&zcrypt_list_lock); if (!pref_zq) { @@ -1012,7 +1017,7 @@ static long zcrypt_send_ep11_cprb(struct ap_perms *perms, rc = pref_zq->ops->send_ep11_cprb(pref_zq, xcrb, &ap_msg); spin_lock(&zcrypt_list_lock); - zcrypt_drop_queue(pref_zc, pref_zq, weight); + zcrypt_drop_queue(pref_zc, pref_zq, mod, weight); spin_unlock(&zcrypt_list_lock); out_free: @@ -1033,6 +1038,7 @@ static long zcrypt_rng(char *buffer) struct ap_message ap_msg; unsigned int domain; int qid = 0, rc = -ENODEV; + struct module *mod; trace_s390_zcrypt_req(buffer, TP_HWRNGCPRB); @@ -1064,7 +1070,7 @@ static long zcrypt_rng(char *buffer) pref_weight = weight; } } - pref_zq = zcrypt_pick_queue(pref_zc, pref_zq, weight); + pref_zq = zcrypt_pick_queue(pref_zc, pref_zq, &mod, weight); spin_unlock(&zcrypt_list_lock); if (!pref_zq) { @@ -1076,7 +1082,7 @@ static long zcrypt_rng(char *buffer) rc = pref_zq->ops->rng(pref_zq, buffer, &ap_msg); spin_lock(&zcrypt_list_lock); - zcrypt_drop_queue(pref_zc, pref_zq, weight); + zcrypt_drop_queue(pref_zc, pref_zq, mod, weight); spin_unlock(&zcrypt_list_lock); out: diff --git a/drivers/s390/net/qeth_core_main.c b/drivers/s390/net/qeth_core_main.c index 197b0f5b63e7..44bd6f04c145 100644 --- a/drivers/s390/net/qeth_core_main.c +++ b/drivers/s390/net/qeth_core_main.c @@ -1150,13 +1150,16 @@ static void qeth_notify_skbs(struct qeth_qdio_out_q *q, static void qeth_release_skbs(struct qeth_qdio_out_buffer *buf) { + struct sk_buff *skb; + /* release may never happen from within CQ tasklet scope */ WARN_ON_ONCE(atomic_read(&buf->state) == QETH_QDIO_BUF_IN_CQ); if (atomic_read(&buf->state) == QETH_QDIO_BUF_PENDING) qeth_notify_skbs(buf->q, buf, TX_NOTIFY_GENERALERROR); - __skb_queue_purge(&buf->skb_list); + while ((skb = __skb_dequeue(&buf->skb_list)) != NULL) + consume_skb(skb); } static void qeth_clear_output_buffer(struct qeth_qdio_out_q *queue, diff --git a/drivers/s390/net/qeth_l2_main.c b/drivers/s390/net/qeth_l2_main.c index 8efb2e8ff8f4..c3067fd3bd9e 100644 --- a/drivers/s390/net/qeth_l2_main.c +++ b/drivers/s390/net/qeth_l2_main.c @@ -629,8 +629,7 @@ static netdev_tx_t qeth_l2_hard_start_xmit(struct sk_buff *skb, } /* else fall through */ QETH_TXQ_STAT_INC(queue, tx_dropped); - QETH_TXQ_STAT_INC(queue, tx_errors); - dev_kfree_skb_any(skb); + kfree_skb(skb); netif_wake_queue(dev); return NETDEV_TX_OK; } @@ -645,6 +644,8 @@ static int qeth_l2_probe_device(struct ccwgroup_device *gdev) struct qeth_card *card = dev_get_drvdata(&gdev->dev); int rc; + qeth_l2_vnicc_set_defaults(card); + if (gdev->dev.type == &qeth_generic_devtype) { rc = qeth_l2_create_device_attributes(&gdev->dev); if (rc) @@ -652,8 +653,6 @@ static int qeth_l2_probe_device(struct ccwgroup_device *gdev) } hash_init(card->mac_htable); - card->info.hwtrap = 0; - qeth_l2_vnicc_set_defaults(card); return 0; } diff --git a/drivers/s390/net/qeth_l3_main.c b/drivers/s390/net/qeth_l3_main.c index 7e68d9d16859..53712cf26406 100644 --- a/drivers/s390/net/qeth_l3_main.c +++ b/drivers/s390/net/qeth_l3_main.c @@ -2096,8 +2096,7 @@ static netdev_tx_t qeth_l3_hard_start_xmit(struct sk_buff *skb, tx_drop: QETH_TXQ_STAT_INC(queue, tx_dropped); - QETH_TXQ_STAT_INC(queue, tx_errors); - dev_kfree_skb_any(skb); + kfree_skb(skb); netif_wake_queue(dev); return NETDEV_TX_OK; } @@ -2253,14 +2252,15 @@ static int qeth_l3_probe_device(struct ccwgroup_device *gdev) struct qeth_card *card = dev_get_drvdata(&gdev->dev); int rc; + hash_init(card->ip_htable); + if (gdev->dev.type == &qeth_generic_devtype) { rc = qeth_l3_create_device_attributes(&gdev->dev); if (rc) return rc; } - hash_init(card->ip_htable); + hash_init(card->ip_mc_htable); - card->info.hwtrap = 0; return 0; } diff --git a/drivers/s390/scsi/zfcp_erp.c b/drivers/s390/scsi/zfcp_erp.c index 744a64680d5b..e8fc28dba8df 100644 --- a/drivers/s390/scsi/zfcp_erp.c +++ b/drivers/s390/scsi/zfcp_erp.c @@ -624,6 +624,20 @@ static void zfcp_erp_strategy_memwait(struct zfcp_erp_action *erp_action) add_timer(&erp_action->timer); } +void zfcp_erp_port_forced_reopen_all(struct zfcp_adapter *adapter, + int clear, char *dbftag) +{ + unsigned long flags; + struct zfcp_port *port; + + write_lock_irqsave(&adapter->erp_lock, flags); + read_lock(&adapter->port_list_lock); + list_for_each_entry(port, &adapter->port_list, list) + _zfcp_erp_port_forced_reopen(port, clear, dbftag); + read_unlock(&adapter->port_list_lock); + write_unlock_irqrestore(&adapter->erp_lock, flags); +} + static void _zfcp_erp_port_reopen_all(struct zfcp_adapter *adapter, int clear, char *dbftag) { @@ -1341,6 +1355,9 @@ static void zfcp_erp_try_rport_unblock(struct zfcp_port *port) struct zfcp_scsi_dev *zsdev = sdev_to_zfcp(sdev); int lun_status; + if (sdev->sdev_state == SDEV_DEL || + sdev->sdev_state == SDEV_CANCEL) + continue; if (zsdev->port != port) continue; /* LUN under port of interest */ diff --git a/drivers/s390/scsi/zfcp_ext.h b/drivers/s390/scsi/zfcp_ext.h index 3fce47b0b21b..c6acca521ffe 100644 --- a/drivers/s390/scsi/zfcp_ext.h +++ b/drivers/s390/scsi/zfcp_ext.h @@ -70,6 +70,8 @@ extern void zfcp_erp_port_reopen(struct zfcp_port *port, int clear, char *dbftag); extern void zfcp_erp_port_shutdown(struct zfcp_port *, int, char *); extern void zfcp_erp_port_forced_reopen(struct zfcp_port *, int, char *); +extern void zfcp_erp_port_forced_reopen_all(struct zfcp_adapter *adapter, + int clear, char *dbftag); extern void zfcp_erp_set_lun_status(struct scsi_device *, u32); extern void zfcp_erp_clear_lun_status(struct scsi_device *, u32); extern void zfcp_erp_lun_reopen(struct scsi_device *, int, char *); diff --git a/drivers/s390/scsi/zfcp_fc.c b/drivers/s390/scsi/zfcp_fc.c index db00b5e3abbe..33eddb02ee30 100644 --- a/drivers/s390/scsi/zfcp_fc.c +++ b/drivers/s390/scsi/zfcp_fc.c @@ -239,10 +239,6 @@ static void _zfcp_fc_incoming_rscn(struct zfcp_fsf_req *fsf_req, u32 range, list_for_each_entry(port, &adapter->port_list, list) { if ((port->d_id & range) == (ntoh24(page->rscn_fid) & range)) zfcp_fc_test_link(port); - if (!port->d_id) - zfcp_erp_port_reopen(port, - ZFCP_STATUS_COMMON_ERP_FAILED, - "fcrscn1"); } read_unlock_irqrestore(&adapter->port_list_lock, flags); } @@ -250,6 +246,7 @@ static void _zfcp_fc_incoming_rscn(struct zfcp_fsf_req *fsf_req, u32 range, static void zfcp_fc_incoming_rscn(struct zfcp_fsf_req *fsf_req) { struct fsf_status_read_buffer *status_buffer = (void *)fsf_req->data; + struct zfcp_adapter *adapter = fsf_req->adapter; struct fc_els_rscn *head; struct fc_els_rscn_page *page; u16 i; @@ -263,6 +260,22 @@ static void zfcp_fc_incoming_rscn(struct zfcp_fsf_req *fsf_req) no_entries = be16_to_cpu(head->rscn_plen) / sizeof(struct fc_els_rscn_page); + if (no_entries > 1) { + /* handle failed ports */ + unsigned long flags; + struct zfcp_port *port; + + read_lock_irqsave(&adapter->port_list_lock, flags); + list_for_each_entry(port, &adapter->port_list, list) { + if (port->d_id) + continue; + zfcp_erp_port_reopen(port, + ZFCP_STATUS_COMMON_ERP_FAILED, + "fcrscn1"); + } + read_unlock_irqrestore(&adapter->port_list_lock, flags); + } + for (i = 1; i < no_entries; i++) { /* skip head and start with 1st element */ page++; diff --git a/drivers/s390/scsi/zfcp_scsi.c b/drivers/s390/scsi/zfcp_scsi.c index f4f6a07c5222..221d0dfb8493 100644 --- a/drivers/s390/scsi/zfcp_scsi.c +++ b/drivers/s390/scsi/zfcp_scsi.c @@ -368,6 +368,10 @@ static int zfcp_scsi_eh_host_reset_handler(struct scsi_cmnd *scpnt) struct zfcp_adapter *adapter = zfcp_sdev->port->adapter; int ret = SUCCESS, fc_ret; + if (!(adapter->connection_features & FSF_FEATURE_NPIV_MODE)) { + zfcp_erp_port_forced_reopen_all(adapter, 0, "schrh_p"); + zfcp_erp_wait(adapter); + } zfcp_erp_adapter_reopen(adapter, 0, "schrh_1"); zfcp_erp_wait(adapter); fc_ret = fc_block_scsi_eh(scpnt); diff --git a/drivers/scsi/aacraid/aacraid.h b/drivers/scsi/aacraid/aacraid.h index 1df5171594b8..11fb68d7e60d 100644 --- a/drivers/scsi/aacraid/aacraid.h +++ b/drivers/scsi/aacraid/aacraid.h @@ -2640,9 +2640,14 @@ static inline unsigned int cap_to_cyls(sector_t capacity, unsigned divisor) return capacity; } +static inline int aac_pci_offline(struct aac_dev *dev) +{ + return pci_channel_offline(dev->pdev) || dev->handle_pci_error; +} + static inline int aac_adapter_check_health(struct aac_dev *dev) { - if (unlikely(pci_channel_offline(dev->pdev))) + if (unlikely(aac_pci_offline(dev))) return -1; return (dev)->a_ops.adapter_check_health(dev); diff --git a/drivers/scsi/aacraid/commsup.c b/drivers/scsi/aacraid/commsup.c index e67e032936ef..78430a7b294c 100644 --- a/drivers/scsi/aacraid/commsup.c +++ b/drivers/scsi/aacraid/commsup.c @@ -672,7 +672,7 @@ int aac_fib_send(u16 command, struct fib *fibptr, unsigned long size, return -ETIMEDOUT; } - if (unlikely(pci_channel_offline(dev->pdev))) + if (unlikely(aac_pci_offline(dev))) return -EFAULT; if ((blink = aac_adapter_check_health(dev)) > 0) { @@ -772,7 +772,7 @@ int aac_hba_send(u8 command, struct fib *fibptr, fib_callback callback, spin_unlock_irqrestore(&fibptr->event_lock, flags); - if (unlikely(pci_channel_offline(dev->pdev))) + if (unlikely(aac_pci_offline(dev))) return -EFAULT; fibptr->flags |= FIB_CONTEXT_FLAG_WAIT; diff --git a/drivers/scsi/hisi_sas/hisi_sas_main.c b/drivers/scsi/hisi_sas/hisi_sas_main.c index 3c3cf89f713f..14bac4966c87 100644 --- a/drivers/scsi/hisi_sas/hisi_sas_main.c +++ b/drivers/scsi/hisi_sas/hisi_sas_main.c @@ -1801,6 +1801,12 @@ static int hisi_sas_I_T_nexus_reset(struct domain_device *device) } hisi_sas_dereg_device(hisi_hba, device); + if (dev_is_sata(device)) { + rc = hisi_sas_softreset_ata_disk(device); + if (rc) + return TMF_RESP_FUNC_FAILED; + } + rc = hisi_sas_debug_I_T_nexus_reset(device); if ((rc == TMF_RESP_FUNC_COMPLETE) || (rc == -ENODEV)) diff --git a/drivers/scsi/ibmvscsi/ibmvfc.c b/drivers/scsi/ibmvscsi/ibmvfc.c index dbaa4f131433..3ad997ac3510 100644 --- a/drivers/scsi/ibmvscsi/ibmvfc.c +++ b/drivers/scsi/ibmvscsi/ibmvfc.c @@ -139,6 +139,7 @@ static const struct { { IBMVFC_FC_FAILURE, IBMVFC_VENDOR_SPECIFIC, DID_ERROR, 1, 1, "vendor specific" }, { IBMVFC_FC_SCSI_ERROR, 0, DID_OK, 1, 0, "SCSI error" }, + { IBMVFC_FC_SCSI_ERROR, IBMVFC_COMMAND_FAILED, DID_ERROR, 0, 1, "PRLI to device failed." }, }; static void ibmvfc_npiv_login(struct ibmvfc_host *); @@ -1494,9 +1495,9 @@ static void ibmvfc_log_error(struct ibmvfc_event *evt) if (rsp->flags & FCP_RSP_LEN_VALID) rsp_code = rsp->data.info.rsp_code; - scmd_printk(KERN_ERR, cmnd, "Command (%02X) failed: %s (%x:%x) " + scmd_printk(KERN_ERR, cmnd, "Command (%02X) : %s (%x:%x) " "flags: %x fcp_rsp: %x, resid=%d, scsi_status: %x\n", - cmnd->cmnd[0], err, vfc_cmd->status, vfc_cmd->error, + cmnd->cmnd[0], err, be16_to_cpu(vfc_cmd->status), be16_to_cpu(vfc_cmd->error), rsp->flags, rsp_code, scsi_get_resid(cmnd), rsp->scsi_status); } @@ -2022,7 +2023,7 @@ static int ibmvfc_reset_device(struct scsi_device *sdev, int type, char *desc) sdev_printk(KERN_ERR, sdev, "%s reset failed: %s (%x:%x) " "flags: %x fcp_rsp: %x, scsi_status: %x\n", desc, ibmvfc_get_cmd_error(be16_to_cpu(rsp_iu.cmd.status), be16_to_cpu(rsp_iu.cmd.error)), - rsp_iu.cmd.status, rsp_iu.cmd.error, fc_rsp->flags, rsp_code, + be16_to_cpu(rsp_iu.cmd.status), be16_to_cpu(rsp_iu.cmd.error), fc_rsp->flags, rsp_code, fc_rsp->scsi_status); rsp_rc = -EIO; } else @@ -2381,7 +2382,7 @@ static int ibmvfc_abort_task_set(struct scsi_device *sdev) sdev_printk(KERN_ERR, sdev, "Abort failed: %s (%x:%x) " "flags: %x fcp_rsp: %x, scsi_status: %x\n", ibmvfc_get_cmd_error(be16_to_cpu(rsp_iu.cmd.status), be16_to_cpu(rsp_iu.cmd.error)), - rsp_iu.cmd.status, rsp_iu.cmd.error, fc_rsp->flags, rsp_code, + be16_to_cpu(rsp_iu.cmd.status), be16_to_cpu(rsp_iu.cmd.error), fc_rsp->flags, rsp_code, fc_rsp->scsi_status); rsp_rc = -EIO; } else @@ -2755,16 +2756,18 @@ static void ibmvfc_handle_crq(struct ibmvfc_crq *crq, struct ibmvfc_host *vhost) ibmvfc_set_host_action(vhost, IBMVFC_HOST_ACTION_NONE); if (crq->format == IBMVFC_PARTITION_MIGRATED) { /* We need to re-setup the interpartition connection */ - dev_info(vhost->dev, "Re-enabling adapter\n"); + dev_info(vhost->dev, "Partition migrated, Re-enabling adapter\n"); vhost->client_migrated = 1; ibmvfc_purge_requests(vhost, DID_REQUEUE); ibmvfc_link_down(vhost, IBMVFC_LINK_DOWN); ibmvfc_set_host_action(vhost, IBMVFC_HOST_ACTION_REENABLE); - } else { - dev_err(vhost->dev, "Virtual adapter failed (rc=%d)\n", crq->format); + } else if (crq->format == IBMVFC_PARTNER_FAILED || crq->format == IBMVFC_PARTNER_DEREGISTER) { + dev_err(vhost->dev, "Host partner adapter deregistered or failed (rc=%d)\n", crq->format); ibmvfc_purge_requests(vhost, DID_ERROR); ibmvfc_link_down(vhost, IBMVFC_LINK_DOWN); ibmvfc_set_host_action(vhost, IBMVFC_HOST_ACTION_RESET); + } else { + dev_err(vhost->dev, "Received unknown transport event from partner (rc=%d)\n", crq->format); } return; case IBMVFC_CRQ_CMD_RSP: @@ -3348,7 +3351,7 @@ static void ibmvfc_tgt_prli_done(struct ibmvfc_event *evt) tgt_log(tgt, level, "Process Login failed: %s (%x:%x) rc=0x%02X\n", ibmvfc_get_cmd_error(be16_to_cpu(rsp->status), be16_to_cpu(rsp->error)), - rsp->status, rsp->error, status); + be16_to_cpu(rsp->status), be16_to_cpu(rsp->error), status); break; } @@ -3446,9 +3449,10 @@ static void ibmvfc_tgt_plogi_done(struct ibmvfc_event *evt) ibmvfc_set_tgt_action(tgt, IBMVFC_TGT_ACTION_DEL_RPORT); tgt_log(tgt, level, "Port Login failed: %s (%x:%x) %s (%x) %s (%x) rc=0x%02X\n", - ibmvfc_get_cmd_error(be16_to_cpu(rsp->status), be16_to_cpu(rsp->error)), rsp->status, rsp->error, - ibmvfc_get_fc_type(be16_to_cpu(rsp->fc_type)), rsp->fc_type, - ibmvfc_get_ls_explain(be16_to_cpu(rsp->fc_explain)), rsp->fc_explain, status); + ibmvfc_get_cmd_error(be16_to_cpu(rsp->status), be16_to_cpu(rsp->error)), + be16_to_cpu(rsp->status), be16_to_cpu(rsp->error), + ibmvfc_get_fc_type(be16_to_cpu(rsp->fc_type)), be16_to_cpu(rsp->fc_type), + ibmvfc_get_ls_explain(be16_to_cpu(rsp->fc_explain)), be16_to_cpu(rsp->fc_explain), status); break; } @@ -3619,7 +3623,7 @@ static void ibmvfc_tgt_adisc_done(struct ibmvfc_event *evt) fc_explain = (be32_to_cpu(mad->fc_iu.response[1]) & 0x0000ff00) >> 8; tgt_info(tgt, "ADISC failed: %s (%x:%x) %s (%x) %s (%x) rc=0x%02X\n", ibmvfc_get_cmd_error(be16_to_cpu(mad->iu.status), be16_to_cpu(mad->iu.error)), - mad->iu.status, mad->iu.error, + be16_to_cpu(mad->iu.status), be16_to_cpu(mad->iu.error), ibmvfc_get_fc_type(fc_reason), fc_reason, ibmvfc_get_ls_explain(fc_explain), fc_explain, status); break; @@ -3831,9 +3835,10 @@ static void ibmvfc_tgt_query_target_done(struct ibmvfc_event *evt) tgt_log(tgt, level, "Query Target failed: %s (%x:%x) %s (%x) %s (%x) rc=0x%02X\n", ibmvfc_get_cmd_error(be16_to_cpu(rsp->status), be16_to_cpu(rsp->error)), - rsp->status, rsp->error, ibmvfc_get_fc_type(be16_to_cpu(rsp->fc_type)), - rsp->fc_type, ibmvfc_get_gs_explain(be16_to_cpu(rsp->fc_explain)), - rsp->fc_explain, status); + be16_to_cpu(rsp->status), be16_to_cpu(rsp->error), + ibmvfc_get_fc_type(be16_to_cpu(rsp->fc_type)), be16_to_cpu(rsp->fc_type), + ibmvfc_get_gs_explain(be16_to_cpu(rsp->fc_explain)), be16_to_cpu(rsp->fc_explain), + status); break; } @@ -3959,7 +3964,7 @@ static void ibmvfc_discover_targets_done(struct ibmvfc_event *evt) level += ibmvfc_retry_host_init(vhost); ibmvfc_log(vhost, level, "Discover Targets failed: %s (%x:%x)\n", ibmvfc_get_cmd_error(be16_to_cpu(rsp->status), be16_to_cpu(rsp->error)), - rsp->status, rsp->error); + be16_to_cpu(rsp->status), be16_to_cpu(rsp->error)); break; case IBMVFC_MAD_DRIVER_FAILED: break; @@ -4024,7 +4029,7 @@ static void ibmvfc_npiv_login_done(struct ibmvfc_event *evt) ibmvfc_link_down(vhost, IBMVFC_LINK_DEAD); ibmvfc_log(vhost, level, "NPIV Login failed: %s (%x:%x)\n", ibmvfc_get_cmd_error(be16_to_cpu(rsp->status), be16_to_cpu(rsp->error)), - rsp->status, rsp->error); + be16_to_cpu(rsp->status), be16_to_cpu(rsp->error)); ibmvfc_free_event(evt); return; case IBMVFC_MAD_CRQ_ERROR: diff --git a/drivers/scsi/ibmvscsi/ibmvfc.h b/drivers/scsi/ibmvscsi/ibmvfc.h index b81a53c4a9a8..459cc288ba1d 100644 --- a/drivers/scsi/ibmvscsi/ibmvfc.h +++ b/drivers/scsi/ibmvscsi/ibmvfc.h @@ -78,9 +78,14 @@ enum ibmvfc_crq_valid { IBMVFC_CRQ_XPORT_EVENT = 0xFF, }; -enum ibmvfc_crq_format { +enum ibmvfc_crq_init_msg { IBMVFC_CRQ_INIT = 0x01, IBMVFC_CRQ_INIT_COMPLETE = 0x02, +}; + +enum ibmvfc_crq_xport_evts { + IBMVFC_PARTNER_FAILED = 0x01, + IBMVFC_PARTNER_DEREGISTER = 0x02, IBMVFC_PARTITION_MIGRATED = 0x06, }; diff --git a/drivers/scsi/ibmvscsi/ibmvscsi.c b/drivers/scsi/ibmvscsi/ibmvscsi.c index 1135e74646e2..8cec5230fe31 100644 --- a/drivers/scsi/ibmvscsi/ibmvscsi.c +++ b/drivers/scsi/ibmvscsi/ibmvscsi.c @@ -96,6 +96,7 @@ static int client_reserve = 1; static char partition_name[96] = "UNKNOWN"; static unsigned int partition_number = -1; static LIST_HEAD(ibmvscsi_head); +static DEFINE_SPINLOCK(ibmvscsi_driver_lock); static struct scsi_transport_template *ibmvscsi_transport_template; @@ -2270,7 +2271,9 @@ static int ibmvscsi_probe(struct vio_dev *vdev, const struct vio_device_id *id) } dev_set_drvdata(&vdev->dev, hostdata); + spin_lock(&ibmvscsi_driver_lock); list_add_tail(&hostdata->host_list, &ibmvscsi_head); + spin_unlock(&ibmvscsi_driver_lock); return 0; add_srp_port_failed: @@ -2292,15 +2295,27 @@ static int ibmvscsi_probe(struct vio_dev *vdev, const struct vio_device_id *id) static int ibmvscsi_remove(struct vio_dev *vdev) { struct ibmvscsi_host_data *hostdata = dev_get_drvdata(&vdev->dev); - list_del(&hostdata->host_list); - unmap_persist_bufs(hostdata); + unsigned long flags; + + srp_remove_host(hostdata->host); + scsi_remove_host(hostdata->host); + + purge_requests(hostdata, DID_ERROR); + + spin_lock_irqsave(hostdata->host->host_lock, flags); release_event_pool(&hostdata->pool, hostdata); + spin_unlock_irqrestore(hostdata->host->host_lock, flags); + ibmvscsi_release_crq_queue(&hostdata->queue, hostdata, max_events); kthread_stop(hostdata->work_thread); - srp_remove_host(hostdata->host); - scsi_remove_host(hostdata->host); + unmap_persist_bufs(hostdata); + + spin_lock(&ibmvscsi_driver_lock); + list_del(&hostdata->host_list); + spin_unlock(&ibmvscsi_driver_lock); + scsi_host_put(hostdata->host); return 0; diff --git a/drivers/scsi/mpt3sas/mpt3sas_base.c b/drivers/scsi/mpt3sas/mpt3sas_base.c index e57774472e75..1d8c584ec1e9 100644 --- a/drivers/scsi/mpt3sas/mpt3sas_base.c +++ b/drivers/scsi/mpt3sas/mpt3sas_base.c @@ -3281,12 +3281,18 @@ mpt3sas_base_free_smid(struct MPT3SAS_ADAPTER *ioc, u16 smid) if (smid < ioc->hi_priority_smid) { struct scsiio_tracker *st; + void *request; st = _get_st_from_smid(ioc, smid); if (!st) { _base_recovery_check(ioc); return; } + + /* Clear MPI request frame */ + request = mpt3sas_base_get_msg_frame(ioc, smid); + memset(request, 0, ioc->request_sz); + mpt3sas_base_clear_st(ioc, st); _base_recovery_check(ioc); return; diff --git a/drivers/scsi/mpt3sas/mpt3sas_scsih.c b/drivers/scsi/mpt3sas/mpt3sas_scsih.c index 8bb5b8f9f4d2..1ccfbc7eebe0 100644 --- a/drivers/scsi/mpt3sas/mpt3sas_scsih.c +++ b/drivers/scsi/mpt3sas/mpt3sas_scsih.c @@ -1462,11 +1462,23 @@ mpt3sas_scsih_scsi_lookup_get(struct MPT3SAS_ADAPTER *ioc, u16 smid) { struct scsi_cmnd *scmd = NULL; struct scsiio_tracker *st; + Mpi25SCSIIORequest_t *mpi_request; if (smid > 0 && smid <= ioc->scsiio_depth - INTERNAL_SCSIIO_CMDS_COUNT) { u32 unique_tag = smid - 1; + mpi_request = mpt3sas_base_get_msg_frame(ioc, smid); + + /* + * If SCSI IO request is outstanding at driver level then + * DevHandle filed must be non-zero. If DevHandle is zero + * then it means that this smid is free at driver level, + * so return NULL. + */ + if (!mpi_request->DevHandle) + return scmd; + scmd = scsi_host_find_tag(ioc->shost, unique_tag); if (scmd) { st = scsi_cmd_priv(scmd); diff --git a/drivers/scsi/qla2xxx/qla_init.c b/drivers/scsi/qla2xxx/qla_init.c index 420045155ba0..0c700b140ce7 100644 --- a/drivers/scsi/qla2xxx/qla_init.c +++ b/drivers/scsi/qla2xxx/qla_init.c @@ -4991,6 +4991,13 @@ qla2x00_configure_local_loop(scsi_qla_host_t *vha) if ((domain & 0xf0) == 0xf0) continue; + /* Bypass if not same domain and area of adapter. */ + if (area && domain && ((area != vha->d_id.b.area) || + (domain != vha->d_id.b.domain)) && + (ha->current_topology == ISP_CFG_NL)) + continue; + + /* Bypass invalid local loop ID. */ if (loop_id > LAST_LOCAL_LOOP_ID) continue; diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c index 677f82fdf56f..91f576d743fe 100644 --- a/drivers/scsi/qla2xxx/qla_os.c +++ b/drivers/scsi/qla2xxx/qla_os.c @@ -1517,7 +1517,7 @@ __qla2xxx_eh_generic_reset(char *name, enum nexus_wait_type type, goto eh_reset_failed; } err = 2; - if (do_reset(fcport, cmd->device->lun, blk_mq_rq_cpu(cmd->request) + 1) + if (do_reset(fcport, cmd->device->lun, 1) != QLA_SUCCESS) { ql_log(ql_log_warn, vha, 0x800c, "do_reset failed for cmd=%p.\n", cmd); diff --git a/drivers/scsi/qla4xxx/ql4_os.c b/drivers/scsi/qla4xxx/ql4_os.c index 16a18d5d856f..6e4f4931ae17 100644 --- a/drivers/scsi/qla4xxx/ql4_os.c +++ b/drivers/scsi/qla4xxx/ql4_os.c @@ -3203,6 +3203,8 @@ static int qla4xxx_conn_bind(struct iscsi_cls_session *cls_session, if (iscsi_conn_bind(cls_session, cls_conn, is_leading)) return -EINVAL; ep = iscsi_lookup_endpoint(transport_fd); + if (!ep) + return -EINVAL; conn = cls_conn->dd_data; qla_conn = conn->dd_data; qla_conn->qla_ep = ep->dd_data; diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c index 20189675677a..601b9f1de267 100644 --- a/drivers/scsi/scsi_lib.c +++ b/drivers/scsi/scsi_lib.c @@ -585,10 +585,17 @@ static bool scsi_end_request(struct request *req, blk_status_t error, if (!blk_rq_is_scsi(req)) { WARN_ON_ONCE(!(cmd->flags & SCMD_INITIALIZED)); cmd->flags &= ~SCMD_INITIALIZED; - destroy_rcu_head(&cmd->rcu); } /* + * Calling rcu_barrier() is not necessary here because the + * SCSI error handler guarantees that the function called by + * call_rcu() has been called before scsi_end_request() is + * called. + */ + destroy_rcu_head(&cmd->rcu); + + /* * In the MQ case the command gets freed by __blk_mq_end_request, * so we have to do all cleanup that depends on it earlier. * @@ -2541,8 +2548,10 @@ void scsi_device_resume(struct scsi_device *sdev) * device deleted during suspend) */ mutex_lock(&sdev->state_mutex); - sdev->quiesced_by = NULL; - blk_clear_pm_only(sdev->request_queue); + if (sdev->quiesced_by) { + sdev->quiesced_by = NULL; + blk_clear_pm_only(sdev->request_queue); + } if (sdev->sdev_state == SDEV_QUIESCE) scsi_device_set_state(sdev, SDEV_RUNNING); mutex_unlock(&sdev->state_mutex); diff --git a/drivers/scsi/scsi_sysfs.c b/drivers/scsi/scsi_sysfs.c index 6a9040faed00..3b119ca0cc0c 100644 --- a/drivers/scsi/scsi_sysfs.c +++ b/drivers/scsi/scsi_sysfs.c @@ -771,6 +771,12 @@ store_state_field(struct device *dev, struct device_attribute *attr, mutex_lock(&sdev->state_mutex); ret = scsi_device_set_state(sdev, state); + /* + * If the device state changes to SDEV_RUNNING, we need to run + * the queue to avoid I/O hang. + */ + if (ret == 0 && state == SDEV_RUNNING) + blk_mq_run_hw_queues(sdev->request_queue, true); mutex_unlock(&sdev->state_mutex); return ret == 0 ? count : -EINVAL; diff --git a/drivers/scsi/scsi_transport_iscsi.c b/drivers/scsi/scsi_transport_iscsi.c index 0508831d6fb9..0a82e93566dc 100644 --- a/drivers/scsi/scsi_transport_iscsi.c +++ b/drivers/scsi/scsi_transport_iscsi.c @@ -2200,6 +2200,8 @@ void iscsi_remove_session(struct iscsi_cls_session *session) scsi_target_unblock(&session->dev, SDEV_TRANSPORT_OFFLINE); /* flush running scans then delete devices */ flush_work(&session->scan_work); + /* flush running unbind operations */ + flush_work(&session->unbind_work); __iscsi_unbind_session(&session->unbind_work); /* hw iscsi may not have removed all connections from session */ diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c index 251db30d0882..2b2bc4b49d78 100644 --- a/drivers/scsi/sd.c +++ b/drivers/scsi/sd.c @@ -1415,11 +1415,6 @@ static void sd_release(struct gendisk *disk, fmode_t mode) scsi_set_medium_removal(sdev, SCSI_REMOVAL_ALLOW); } - /* - * XXX and what if there are packets in flight and this close() - * XXX is followed by a "rmmod sd_mod"? - */ - scsi_disk_put(sdkp); } @@ -3076,6 +3071,9 @@ static bool sd_validate_opt_xfer_size(struct scsi_disk *sdkp, unsigned int opt_xfer_bytes = logical_to_bytes(sdp, sdkp->opt_xfer_blocks); + if (sdkp->opt_xfer_blocks == 0) + return false; + if (sdkp->opt_xfer_blocks > dev_max) { sd_first_printk(KERN_WARNING, sdkp, "Optimal transfer size %u logical blocks " \ @@ -3505,9 +3503,21 @@ static void scsi_disk_release(struct device *dev) { struct scsi_disk *sdkp = to_scsi_disk(dev); struct gendisk *disk = sdkp->disk; - + struct request_queue *q = disk->queue; + ida_free(&sd_index_ida, sdkp->index); + /* + * Wait until all requests that are in progress have completed. + * This is necessary to avoid that e.g. scsi_end_request() crashes + * due to clearing the disk->private_data pointer. Wait from inside + * scsi_disk_release() instead of from sd_release() to avoid that + * freezing and unfreezing the request queue affects user space I/O + * in case multiple processes open a /dev/sd... node concurrently. + */ + blk_mq_freeze_queue(q); + blk_mq_unfreeze_queue(q); + disk->private_data = NULL; put_disk(disk); put_device(&sdkp->device->sdev_gendev); diff --git a/drivers/soc/bcm/bcm2835-power.c b/drivers/soc/bcm/bcm2835-power.c index 9351349cf0a9..1e0041ec8132 100644 --- a/drivers/soc/bcm/bcm2835-power.c +++ b/drivers/soc/bcm/bcm2835-power.c @@ -150,7 +150,12 @@ struct bcm2835_power { static int bcm2835_asb_enable(struct bcm2835_power *power, u32 reg) { - u64 start = ktime_get_ns(); + u64 start; + + if (!reg) + return 0; + + start = ktime_get_ns(); /* Enable the module's async AXI bridges. */ ASB_WRITE(reg, ASB_READ(reg) & ~ASB_REQ_STOP); @@ -165,7 +170,12 @@ static int bcm2835_asb_enable(struct bcm2835_power *power, u32 reg) static int bcm2835_asb_disable(struct bcm2835_power *power, u32 reg) { - u64 start = ktime_get_ns(); + u64 start; + + if (!reg) + return 0; + + start = ktime_get_ns(); /* Enable the module's async AXI bridges. */ ASB_WRITE(reg, ASB_READ(reg) | ASB_REQ_STOP); @@ -475,7 +485,7 @@ static int bcm2835_power_pd_power_off(struct generic_pm_domain *domain) } } -static void +static int bcm2835_init_power_domain(struct bcm2835_power *power, int pd_xlate_index, const char *name) { @@ -483,6 +493,17 @@ bcm2835_init_power_domain(struct bcm2835_power *power, struct bcm2835_power_domain *dom = &power->domains[pd_xlate_index]; dom->clk = devm_clk_get(dev->parent, name); + if (IS_ERR(dom->clk)) { + int ret = PTR_ERR(dom->clk); + + if (ret == -EPROBE_DEFER) + return ret; + + /* Some domains don't have a clk, so make sure that we + * don't deref an error pointer later. + */ + dom->clk = NULL; + } dom->base.name = name; dom->base.power_on = bcm2835_power_pd_power_on; @@ -495,6 +516,8 @@ bcm2835_init_power_domain(struct bcm2835_power *power, pm_genpd_init(&dom->base, NULL, true); power->pd_xlate.domains[pd_xlate_index] = &dom->base; + + return 0; } /** bcm2835_reset_reset - Resets a block that has a reset line in the @@ -592,7 +615,7 @@ static int bcm2835_power_probe(struct platform_device *pdev) { BCM2835_POWER_DOMAIN_IMAGE_PERI, BCM2835_POWER_DOMAIN_CAM0 }, { BCM2835_POWER_DOMAIN_IMAGE_PERI, BCM2835_POWER_DOMAIN_CAM1 }, }; - int ret, i; + int ret = 0, i; u32 id; power = devm_kzalloc(dev, sizeof(*power), GFP_KERNEL); @@ -619,8 +642,11 @@ static int bcm2835_power_probe(struct platform_device *pdev) power->pd_xlate.num_domains = ARRAY_SIZE(power_domain_names); - for (i = 0; i < ARRAY_SIZE(power_domain_names); i++) - bcm2835_init_power_domain(power, i, power_domain_names[i]); + for (i = 0; i < ARRAY_SIZE(power_domain_names); i++) { + ret = bcm2835_init_power_domain(power, i, power_domain_names[i]); + if (ret) + goto fail; + } for (i = 0; i < ARRAY_SIZE(domain_deps); i++) { pm_genpd_add_subdomain(&power->domains[domain_deps[i].parent].base, @@ -634,12 +660,21 @@ static int bcm2835_power_probe(struct platform_device *pdev) ret = devm_reset_controller_register(dev, &power->reset); if (ret) - return ret; + goto fail; of_genpd_add_provider_onecell(dev->parent->of_node, &power->pd_xlate); dev_info(dev, "Broadcom BCM2835 power domains driver"); return 0; + +fail: + for (i = 0; i < ARRAY_SIZE(power_domain_names); i++) { + struct generic_pm_domain *dom = &power->domains[i].base; + + if (dom->name) + pm_genpd_remove(dom); + } + return ret; } static int bcm2835_power_remove(struct platform_device *pdev) diff --git a/drivers/staging/Kconfig b/drivers/staging/Kconfig index c0901b96cfe4..62951e836cbc 100644 --- a/drivers/staging/Kconfig +++ b/drivers/staging/Kconfig @@ -114,8 +114,6 @@ source "drivers/staging/ralink-gdma/Kconfig" source "drivers/staging/mt7621-mmc/Kconfig" -source "drivers/staging/mt7621-eth/Kconfig" - source "drivers/staging/mt7621-dts/Kconfig" source "drivers/staging/gasket/Kconfig" diff --git a/drivers/staging/Makefile b/drivers/staging/Makefile index 57c6bce13ff4..d1b17ddcd354 100644 --- a/drivers/staging/Makefile +++ b/drivers/staging/Makefile @@ -47,7 +47,6 @@ obj-$(CONFIG_SPI_MT7621) += mt7621-spi/ obj-$(CONFIG_SOC_MT7621) += mt7621-dma/ obj-$(CONFIG_DMA_RALINK) += ralink-gdma/ obj-$(CONFIG_MTK_MMC) += mt7621-mmc/ -obj-$(CONFIG_NET_MEDIATEK_SOC_STAGING) += mt7621-eth/ obj-$(CONFIG_SOC_MT7621) += mt7621-dts/ obj-$(CONFIG_STAGING_GASKET_FRAMEWORK) += gasket/ obj-$(CONFIG_XIL_AXIS_FIFO) += axis-fifo/ diff --git a/drivers/staging/axis-fifo/Kconfig b/drivers/staging/axis-fifo/Kconfig index 687537203d9c..d9725888af6f 100644 --- a/drivers/staging/axis-fifo/Kconfig +++ b/drivers/staging/axis-fifo/Kconfig @@ -3,6 +3,7 @@ # config XIL_AXIS_FIFO tristate "Xilinx AXI-Stream FIFO IP core driver" + depends on OF default n help This adds support for the Xilinx AXI-Stream diff --git a/drivers/staging/comedi/comedidev.h b/drivers/staging/comedi/comedidev.h index a7d569cfca5d..0dff1ac057cd 100644 --- a/drivers/staging/comedi/comedidev.h +++ b/drivers/staging/comedi/comedidev.h @@ -1001,6 +1001,8 @@ int comedi_dio_insn_config(struct comedi_device *dev, unsigned int mask); unsigned int comedi_dio_update_state(struct comedi_subdevice *s, unsigned int *data); +unsigned int comedi_bytes_per_scan_cmd(struct comedi_subdevice *s, + struct comedi_cmd *cmd); unsigned int comedi_bytes_per_scan(struct comedi_subdevice *s); unsigned int comedi_nscans_left(struct comedi_subdevice *s, unsigned int nscans); diff --git a/drivers/staging/comedi/drivers.c b/drivers/staging/comedi/drivers.c index eefa62f42c0f..5a32b8fc000e 100644 --- a/drivers/staging/comedi/drivers.c +++ b/drivers/staging/comedi/drivers.c @@ -394,11 +394,13 @@ unsigned int comedi_dio_update_state(struct comedi_subdevice *s, EXPORT_SYMBOL_GPL(comedi_dio_update_state); /** - * comedi_bytes_per_scan() - Get length of asynchronous command "scan" in bytes + * comedi_bytes_per_scan_cmd() - Get length of asynchronous command "scan" in + * bytes * @s: COMEDI subdevice. + * @cmd: COMEDI command. * * Determines the overall scan length according to the subdevice type and the - * number of channels in the scan. + * number of channels in the scan for the specified command. * * For digital input, output or input/output subdevices, samples for * multiple channels are assumed to be packed into one or more unsigned @@ -408,9 +410,9 @@ EXPORT_SYMBOL_GPL(comedi_dio_update_state); * * Returns the overall scan length in bytes. */ -unsigned int comedi_bytes_per_scan(struct comedi_subdevice *s) +unsigned int comedi_bytes_per_scan_cmd(struct comedi_subdevice *s, + struct comedi_cmd *cmd) { - struct comedi_cmd *cmd = &s->async->cmd; unsigned int num_samples; unsigned int bits_per_sample; @@ -427,6 +429,29 @@ unsigned int comedi_bytes_per_scan(struct comedi_subdevice *s) } return comedi_samples_to_bytes(s, num_samples); } +EXPORT_SYMBOL_GPL(comedi_bytes_per_scan_cmd); + +/** + * comedi_bytes_per_scan() - Get length of asynchronous command "scan" in bytes + * @s: COMEDI subdevice. + * + * Determines the overall scan length according to the subdevice type and the + * number of channels in the scan for the current command. + * + * For digital input, output or input/output subdevices, samples for + * multiple channels are assumed to be packed into one or more unsigned + * short or unsigned int values according to the subdevice's %SDF_LSAMPL + * flag. For other types of subdevice, samples are assumed to occupy a + * whole unsigned short or unsigned int according to the %SDF_LSAMPL flag. + * + * Returns the overall scan length in bytes. + */ +unsigned int comedi_bytes_per_scan(struct comedi_subdevice *s) +{ + struct comedi_cmd *cmd = &s->async->cmd; + + return comedi_bytes_per_scan_cmd(s, cmd); +} EXPORT_SYMBOL_GPL(comedi_bytes_per_scan); static unsigned int __comedi_nscans_left(struct comedi_subdevice *s, diff --git a/drivers/staging/comedi/drivers/ni_mio_common.c b/drivers/staging/comedi/drivers/ni_mio_common.c index 5edf59ac6706..b04dad8c7092 100644 --- a/drivers/staging/comedi/drivers/ni_mio_common.c +++ b/drivers/staging/comedi/drivers/ni_mio_common.c @@ -3545,6 +3545,7 @@ static int ni_cdio_cmdtest(struct comedi_device *dev, struct comedi_subdevice *s, struct comedi_cmd *cmd) { struct ni_private *devpriv = dev->private; + unsigned int bytes_per_scan; int err = 0; /* Step 1 : check if triggers are trivially valid */ @@ -3579,9 +3580,12 @@ static int ni_cdio_cmdtest(struct comedi_device *dev, err |= comedi_check_trigger_arg_is(&cmd->convert_arg, 0); err |= comedi_check_trigger_arg_is(&cmd->scan_end_arg, cmd->chanlist_len); - err |= comedi_check_trigger_arg_max(&cmd->stop_arg, - s->async->prealloc_bufsz / - comedi_bytes_per_scan(s)); + bytes_per_scan = comedi_bytes_per_scan_cmd(s, cmd); + if (bytes_per_scan) { + err |= comedi_check_trigger_arg_max(&cmd->stop_arg, + s->async->prealloc_bufsz / + bytes_per_scan); + } if (err) return 3; diff --git a/drivers/staging/erofs/dir.c b/drivers/staging/erofs/dir.c index 829f7b12e0dc..9bbc68729c11 100644 --- a/drivers/staging/erofs/dir.c +++ b/drivers/staging/erofs/dir.c @@ -23,6 +23,21 @@ static const unsigned char erofs_filetype_table[EROFS_FT_MAX] = { [EROFS_FT_SYMLINK] = DT_LNK, }; +static void debug_one_dentry(unsigned char d_type, const char *de_name, + unsigned int de_namelen) +{ +#ifdef CONFIG_EROFS_FS_DEBUG + /* since the on-disk name could not have the trailing '\0' */ + unsigned char dbg_namebuf[EROFS_NAME_LEN + 1]; + + memcpy(dbg_namebuf, de_name, de_namelen); + dbg_namebuf[de_namelen] = '\0'; + + debugln("found dirent %s de_len %u d_type %d", dbg_namebuf, + de_namelen, d_type); +#endif +} + static int erofs_fill_dentries(struct dir_context *ctx, void *dentry_blk, unsigned int *ofs, unsigned int nameoff, unsigned int maxsize) @@ -33,14 +48,10 @@ static int erofs_fill_dentries(struct dir_context *ctx, de = dentry_blk + *ofs; while (de < end) { const char *de_name; - int de_namelen; + unsigned int de_namelen; unsigned char d_type; -#ifdef CONFIG_EROFS_FS_DEBUG - unsigned int dbg_namelen; - unsigned char dbg_namebuf[EROFS_NAME_LEN]; -#endif - if (unlikely(de->file_type < EROFS_FT_MAX)) + if (de->file_type < EROFS_FT_MAX) d_type = erofs_filetype_table[de->file_type]; else d_type = DT_UNKNOWN; @@ -48,26 +59,20 @@ static int erofs_fill_dentries(struct dir_context *ctx, nameoff = le16_to_cpu(de->nameoff); de_name = (char *)dentry_blk + nameoff; - de_namelen = unlikely(de + 1 >= end) ? - /* last directory entry */ - strnlen(de_name, maxsize - nameoff) : - le16_to_cpu(de[1].nameoff) - nameoff; + /* the last dirent in the block? */ + if (de + 1 >= end) + de_namelen = strnlen(de_name, maxsize - nameoff); + else + de_namelen = le16_to_cpu(de[1].nameoff) - nameoff; /* a corrupted entry is found */ - if (unlikely(de_namelen < 0)) { + if (unlikely(nameoff + de_namelen > maxsize || + de_namelen > EROFS_NAME_LEN)) { DBG_BUGON(1); return -EIO; } -#ifdef CONFIG_EROFS_FS_DEBUG - dbg_namelen = min(EROFS_NAME_LEN - 1, de_namelen); - memcpy(dbg_namebuf, de_name, dbg_namelen); - dbg_namebuf[dbg_namelen] = '\0'; - - debugln("%s, found de_name %s de_len %d d_type %d", __func__, - dbg_namebuf, de_namelen, d_type); -#endif - + debug_one_dentry(d_type, de_name, de_namelen); if (!dir_emit(ctx, de_name, de_namelen, le64_to_cpu(de->nid), d_type)) /* stopped by some reason */ diff --git a/drivers/staging/erofs/unzip_vle.c b/drivers/staging/erofs/unzip_vle.c index 8715bc50e09c..31eef8395774 100644 --- a/drivers/staging/erofs/unzip_vle.c +++ b/drivers/staging/erofs/unzip_vle.c @@ -972,6 +972,7 @@ repeat: overlapped = false; compressed_pages = grp->compressed_pages; + err = 0; for (i = 0; i < clusterpages; ++i) { unsigned int pagenr; @@ -981,26 +982,39 @@ repeat: DBG_BUGON(!page); DBG_BUGON(!page->mapping); - if (z_erofs_is_stagingpage(page)) - continue; + if (!z_erofs_is_stagingpage(page)) { #ifdef EROFS_FS_HAS_MANAGED_CACHE - if (page->mapping == MNGD_MAPPING(sbi)) { - DBG_BUGON(!PageUptodate(page)); - continue; - } + if (page->mapping == MNGD_MAPPING(sbi)) { + if (unlikely(!PageUptodate(page))) + err = -EIO; + continue; + } #endif - /* only non-head page could be reused as a compressed page */ - pagenr = z_erofs_onlinepage_index(page); + /* + * only if non-head page can be selected + * for inplace decompression + */ + pagenr = z_erofs_onlinepage_index(page); - DBG_BUGON(pagenr >= nr_pages); - DBG_BUGON(pages[pagenr]); - ++sparsemem_pages; - pages[pagenr] = page; + DBG_BUGON(pagenr >= nr_pages); + DBG_BUGON(pages[pagenr]); + ++sparsemem_pages; + pages[pagenr] = page; - overlapped = true; + overlapped = true; + } + + /* PG_error needs checking for inplaced and staging pages */ + if (unlikely(PageError(page))) { + DBG_BUGON(PageUptodate(page)); + err = -EIO; + } } + if (unlikely(err)) + goto out; + llen = (nr_pages << PAGE_SHIFT) - work->pageofs; if (z_erofs_vle_workgrp_fmt(grp) == Z_EROFS_VLE_WORKGRP_FMT_PLAIN) { @@ -1029,6 +1043,10 @@ repeat: skip_allocpage: vout = erofs_vmap(pages, nr_pages); + if (!vout) { + err = -ENOMEM; + goto out; + } err = z_erofs_vle_unzip_vmap(compressed_pages, clusterpages, vout, llen, work->pageofs, overlapped); @@ -1194,6 +1212,7 @@ repeat: if (page->mapping == mc) { WRITE_ONCE(grp->compressed_pages[nr], page); + ClearPageError(page); if (!PagePrivate(page)) { /* * impossible to be !PagePrivate(page) for diff --git a/drivers/staging/erofs/unzip_vle_lz4.c b/drivers/staging/erofs/unzip_vle_lz4.c index 48b263a2731a..0daac9b984a8 100644 --- a/drivers/staging/erofs/unzip_vle_lz4.c +++ b/drivers/staging/erofs/unzip_vle_lz4.c @@ -136,10 +136,13 @@ int z_erofs_vle_unzip_fast_percpu(struct page **compressed_pages, nr_pages = DIV_ROUND_UP(outlen + pageofs, PAGE_SIZE); - if (clusterpages == 1) + if (clusterpages == 1) { vin = kmap_atomic(compressed_pages[0]); - else + } else { vin = erofs_vmap(compressed_pages, clusterpages); + if (!vin) + return -ENOMEM; + } preempt_disable(); vout = erofs_pcpubuf[smp_processor_id()].data; diff --git a/drivers/staging/mt7621-dts/gbpc1.dts b/drivers/staging/mt7621-dts/gbpc1.dts index b73385540216..250c15ace2a7 100644 --- a/drivers/staging/mt7621-dts/gbpc1.dts +++ b/drivers/staging/mt7621-dts/gbpc1.dts @@ -117,22 +117,6 @@ status = "okay"; }; -ðernet { - //mtd-mac-address = <&factory 0xe000>; - gmac1: mac@0 { - compatible = "mediatek,eth-mac"; - reg = <0>; - phy-handle = <&phy1>; - }; - - mdio-bus { - phy1: ethernet-phy@1 { - reg = <1>; - phy-mode = "rgmii"; - }; - }; -}; - &pinctrl { state_default: pinctrl0 { gpio { @@ -141,3 +125,16 @@ }; }; }; + +&switch0 { + ports { + port@0 { + label = "ethblack"; + status = "ok"; + }; + port@4 { + label = "ethblue"; + status = "ok"; + }; + }; +}; diff --git a/drivers/staging/mt7621-dts/mt7621.dtsi b/drivers/staging/mt7621-dts/mt7621.dtsi index 6aff3680ce4b..17020e24abd2 100644 --- a/drivers/staging/mt7621-dts/mt7621.dtsi +++ b/drivers/staging/mt7621-dts/mt7621.dtsi @@ -372,16 +372,83 @@ mediatek,ethsys = <ðsys>; - mediatek,switch = <&gsw>; + gmac0: mac@0 { + compatible = "mediatek,eth-mac"; + reg = <0>; + phy-mode = "rgmii"; + fixed-link { + speed = <1000>; + full-duplex; + pause; + }; + }; + gmac1: mac@1 { + compatible = "mediatek,eth-mac"; + reg = <1>; + status = "off"; + phy-mode = "rgmii"; + phy-handle = <&phy5>; + }; mdio-bus { #address-cells = <1>; #size-cells = <0>; - phy1f: ethernet-phy@1f { - reg = <0x1f>; + phy5: ethernet-phy@5 { + reg = <5>; phy-mode = "rgmii"; }; + + switch0: switch0@0 { + compatible = "mediatek,mt7621"; + #address-cells = <1>; + #size-cells = <0>; + reg = <0>; + mediatek,mcm; + resets = <&rstctrl 2>; + reset-names = "mcm"; + + ports { + #address-cells = <1>; + #size-cells = <0>; + reg = <0>; + port@0 { + status = "off"; + reg = <0>; + label = "lan0"; + }; + port@1 { + status = "off"; + reg = <1>; + label = "lan1"; + }; + port@2 { + status = "off"; + reg = <2>; + label = "lan2"; + }; + port@3 { + status = "off"; + reg = <3>; + label = "lan3"; + }; + port@4 { + status = "off"; + reg = <4>; + label = "lan4"; + }; + port@6 { + reg = <6>; + label = "cpu"; + ethernet = <&gmac0>; + phy-mode = "trgmii"; + fixed-link { + speed = <1000>; + full-duplex; + }; + }; + }; + }; }; }; diff --git a/drivers/staging/mt7621-eth/Documentation/devicetree/bindings/net/mediatek-net-gsw.txt b/drivers/staging/mt7621-eth/Documentation/devicetree/bindings/net/mediatek-net-gsw.txt deleted file mode 100644 index 596b38552697..000000000000 --- a/drivers/staging/mt7621-eth/Documentation/devicetree/bindings/net/mediatek-net-gsw.txt +++ /dev/null @@ -1,48 +0,0 @@ -Mediatek Gigabit Switch -======================= - -The mediatek gigabit switch can be found on Mediatek SoCs. - -Required properties: -- compatible: Should be "mediatek,mt7620-gsw", "mediatek,mt7621-gsw", - "mediatek,mt7623-gsw" -- reg: Address and length of the register set for the device -- interrupts: Should contain the gigabit switches interrupt - - -Additional required properties for ARM based SoCs: -- mediatek,reset-pin: phandle describing the reset GPIO -- clocks: the clocks used by the switch -- clock-names: the names of the clocks listed in the clocks property - these should be "trgpll", "esw", "gp2", "gp1" -- mt7530-supply: the phandle of the regulator used to power the switch -- mediatek,pctl-regmap: phandle to the port control regmap. this is used to - setup the drive current - - -Optional properties: -- interrupt-parent: Should be the phandle for the interrupt controller - that services interrupts for this device - -Example: - -gsw: switch@1b100000 { - compatible = "mediatek,mt7623-gsw"; - reg = <0 0x1b110000 0 0x300000>; - - interrupt-parent = <&pio>; - interrupts = <168 IRQ_TYPE_EDGE_RISING>; - - clocks = <&apmixedsys CLK_APMIXED_TRGPLL>, - <ðsys CLK_ETHSYS_ESW>, - <ðsys CLK_ETHSYS_GP2>, - <ðsys CLK_ETHSYS_GP1>; - clock-names = "trgpll", "esw", "gp2", "gp1"; - - mt7530-supply = <&mt6323_vpa_reg>; - - mediatek,pctl-regmap = <&syscfg_pctl_a>; - mediatek,reset-pin = <&pio 15 0>; - - status = "okay"; -}; diff --git a/drivers/staging/mt7621-eth/Kconfig b/drivers/staging/mt7621-eth/Kconfig deleted file mode 100644 index 44ea86c7a96c..000000000000 --- a/drivers/staging/mt7621-eth/Kconfig +++ /dev/null @@ -1,39 +0,0 @@ -config NET_VENDOR_MEDIATEK_STAGING - bool "MediaTek ethernet driver - staging version" - depends on RALINK - ---help--- - If you have an MT7621 Mediatek SoC with ethernet, say Y. - -if NET_VENDOR_MEDIATEK_STAGING -choice - prompt "MAC type" - -config NET_MEDIATEK_MT7621 - bool "MT7621" - depends on MIPS && SOC_MT7621 - -endchoice - -config NET_MEDIATEK_SOC_STAGING - tristate "MediaTek SoC Gigabit Ethernet support" - depends on NET_VENDOR_MEDIATEK_STAGING - select PHYLIB - ---help--- - This driver supports the gigabit ethernet MACs in the - MediaTek SoC family. - -config NET_MEDIATEK_MDIO - def_bool NET_MEDIATEK_SOC_STAGING - depends on NET_MEDIATEK_MT7621 - select PHYLIB - -config NET_MEDIATEK_MDIO_MT7620 - def_bool NET_MEDIATEK_SOC_STAGING - depends on NET_MEDIATEK_MT7621 - select NET_MEDIATEK_MDIO - -config NET_MEDIATEK_GSW_MT7621 - def_tristate NET_MEDIATEK_SOC_STAGING - depends on NET_MEDIATEK_MT7621 - -endif #NET_VENDOR_MEDIATEK_STAGING diff --git a/drivers/staging/mt7621-eth/Makefile b/drivers/staging/mt7621-eth/Makefile deleted file mode 100644 index 018bcc3596b3..000000000000 --- a/drivers/staging/mt7621-eth/Makefile +++ /dev/null @@ -1,14 +0,0 @@ -# -# Makefile for the Ralink SoCs built-in ethernet macs -# - -mtk-eth-soc-y += mtk_eth_soc.o ethtool.o - -mtk-eth-soc-$(CONFIG_NET_MEDIATEK_MDIO) += mdio.o -mtk-eth-soc-$(CONFIG_NET_MEDIATEK_MDIO_MT7620) += mdio_mt7620.o - -mtk-eth-soc-$(CONFIG_NET_MEDIATEK_MT7621) += soc_mt7621.o - -obj-$(CONFIG_NET_MEDIATEK_GSW_MT7621) += gsw_mt7621.o - -obj-$(CONFIG_NET_MEDIATEK_SOC_STAGING) += mtk-eth-soc.o diff --git a/drivers/staging/mt7621-eth/TODO b/drivers/staging/mt7621-eth/TODO deleted file mode 100644 index f9e47d4b4cd4..000000000000 --- a/drivers/staging/mt7621-eth/TODO +++ /dev/null @@ -1,13 +0,0 @@ - -- verify devicetree documentation is consistent with code -- fix ethtool - currently doesn't return valid data. -- general code review and clean up -- add support for second MAC on mt7621 -- convert gsw code to use switchdev interfaces -- md7620_mmi_write etc should probably be wrapped - in a regmap abstraction. -- Get soc_mt7621 to work with QDMA TX if possible. -- Ensure phys are correctly configured when a cable - is plugged in. - -Cc: NeilBrown <neil@brown.name> diff --git a/drivers/staging/mt7621-eth/ethtool.c b/drivers/staging/mt7621-eth/ethtool.c deleted file mode 100644 index 8c4228e2c987..000000000000 --- a/drivers/staging/mt7621-eth/ethtool.c +++ /dev/null @@ -1,250 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0 -/* This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; version 2 of the License - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * Copyright (C) 2009-2016 John Crispin <blogic@openwrt.org> - * Copyright (C) 2009-2016 Felix Fietkau <nbd@openwrt.org> - * Copyright (C) 2013-2016 Michael Lee <igvtee@gmail.com> - */ - -#include "mtk_eth_soc.h" -#include "ethtool.h" - -struct mtk_stat { - char name[ETH_GSTRING_LEN]; - unsigned int idx; -}; - -#define MTK_HW_STAT(stat) { \ - .name = #stat, \ - .idx = offsetof(struct mtk_hw_stats, stat) / sizeof(u64) \ -} - -static const struct mtk_stat mtk_ethtool_hw_stats[] = { - MTK_HW_STAT(tx_bytes), - MTK_HW_STAT(tx_packets), - MTK_HW_STAT(tx_skip), - MTK_HW_STAT(tx_collisions), - MTK_HW_STAT(rx_bytes), - MTK_HW_STAT(rx_packets), - MTK_HW_STAT(rx_overflow), - MTK_HW_STAT(rx_fcs_errors), - MTK_HW_STAT(rx_short_errors), - MTK_HW_STAT(rx_long_errors), - MTK_HW_STAT(rx_checksum_errors), - MTK_HW_STAT(rx_flow_control_packets), -}; - -#define MTK_HW_STATS_LEN ARRAY_SIZE(mtk_ethtool_hw_stats) - -static int mtk_get_link_ksettings(struct net_device *dev, - struct ethtool_link_ksettings *cmd) -{ - struct mtk_mac *mac = netdev_priv(dev); - int err; - - if (!mac->phy_dev) - return -ENODEV; - - if (mac->phy_flags == MTK_PHY_FLAG_ATTACH) { - err = phy_read_status(mac->phy_dev); - if (err) - return -ENODEV; - } - - phy_ethtool_ksettings_get(mac->phy_dev, cmd); - return 0; -} - -static int mtk_set_link_ksettings(struct net_device *dev, - const struct ethtool_link_ksettings *cmd) -{ - struct mtk_mac *mac = netdev_priv(dev); - - if (!mac->phy_dev) - return -ENODEV; - - if (cmd->base.phy_address != mac->phy_dev->mdio.addr) { - if (mac->hw->phy->phy_node[cmd->base.phy_address]) { - mac->phy_dev = mac->hw->phy->phy[cmd->base.phy_address]; - mac->phy_flags = MTK_PHY_FLAG_PORT; - } else if (mac->hw->mii_bus) { - mac->phy_dev = mdiobus_get_phy(mac->hw->mii_bus, - cmd->base.phy_address); - if (!mac->phy_dev) - return -ENODEV; - mac->phy_flags = MTK_PHY_FLAG_ATTACH; - } else { - return -ENODEV; - } - } - - return phy_ethtool_ksettings_set(mac->phy_dev, cmd); -} - -static void mtk_get_drvinfo(struct net_device *dev, - struct ethtool_drvinfo *info) -{ - struct mtk_mac *mac = netdev_priv(dev); - struct mtk_soc_data *soc = mac->hw->soc; - - strlcpy(info->driver, mac->hw->dev->driver->name, sizeof(info->driver)); - strlcpy(info->bus_info, dev_name(mac->hw->dev), sizeof(info->bus_info)); - - if (soc->reg_table[MTK_REG_MTK_COUNTER_BASE]) - info->n_stats = MTK_HW_STATS_LEN; -} - -static u32 mtk_get_msglevel(struct net_device *dev) -{ - struct mtk_mac *mac = netdev_priv(dev); - - return mac->hw->msg_enable; -} - -static void mtk_set_msglevel(struct net_device *dev, u32 value) -{ - struct mtk_mac *mac = netdev_priv(dev); - - mac->hw->msg_enable = value; -} - -static int mtk_nway_reset(struct net_device *dev) -{ - struct mtk_mac *mac = netdev_priv(dev); - - if (!mac->phy_dev) - return -EOPNOTSUPP; - - return genphy_restart_aneg(mac->phy_dev); -} - -static u32 mtk_get_link(struct net_device *dev) -{ - struct mtk_mac *mac = netdev_priv(dev); - int err; - - if (!mac->phy_dev) - goto out_get_link; - - if (mac->phy_flags == MTK_PHY_FLAG_ATTACH) { - err = genphy_update_link(mac->phy_dev); - if (err) - goto out_get_link; - } - - return mac->phy_dev->link; - -out_get_link: - return ethtool_op_get_link(dev); -} - -static int mtk_set_ringparam(struct net_device *dev, - struct ethtool_ringparam *ring) -{ - struct mtk_mac *mac = netdev_priv(dev); - - if ((ring->tx_pending < 2) || - (ring->rx_pending < 2) || - (ring->rx_pending > mac->hw->soc->dma_ring_size) || - (ring->tx_pending > mac->hw->soc->dma_ring_size)) - return -EINVAL; - - dev->netdev_ops->ndo_stop(dev); - - mac->hw->tx_ring.tx_ring_size = BIT(fls(ring->tx_pending) - 1); - mac->hw->rx_ring[0].rx_ring_size = BIT(fls(ring->rx_pending) - 1); - - return dev->netdev_ops->ndo_open(dev); -} - -static void mtk_get_ringparam(struct net_device *dev, - struct ethtool_ringparam *ring) -{ - struct mtk_mac *mac = netdev_priv(dev); - - ring->rx_max_pending = mac->hw->soc->dma_ring_size; - ring->tx_max_pending = mac->hw->soc->dma_ring_size; - ring->rx_pending = mac->hw->rx_ring[0].rx_ring_size; - ring->tx_pending = mac->hw->tx_ring.tx_ring_size; -} - -static void mtk_get_strings(struct net_device *dev, u32 stringset, u8 *data) -{ - int i; - - switch (stringset) { - case ETH_SS_STATS: - for (i = 0; i < MTK_HW_STATS_LEN; i++) { - memcpy(data, mtk_ethtool_hw_stats[i].name, - ETH_GSTRING_LEN); - data += ETH_GSTRING_LEN; - } - break; - } -} - -static int mtk_get_sset_count(struct net_device *dev, int sset) -{ - switch (sset) { - case ETH_SS_STATS: - return MTK_HW_STATS_LEN; - default: - return -EOPNOTSUPP; - } -} - -static void mtk_get_ethtool_stats(struct net_device *dev, - struct ethtool_stats *stats, u64 *data) -{ - struct mtk_mac *mac = netdev_priv(dev); - struct mtk_hw_stats *hwstats = mac->hw_stats; - unsigned int start; - int i; - - if (netif_running(dev) && netif_device_present(dev)) { - if (spin_trylock(&hwstats->stats_lock)) { - mtk_stats_update_mac(mac); - spin_unlock(&hwstats->stats_lock); - } - } - - do { - start = u64_stats_fetch_begin_irq(&hwstats->syncp); - for (i = 0; i < MTK_HW_STATS_LEN; i++) - data[i] = ((u64 *)hwstats)[mtk_ethtool_hw_stats[i].idx]; - - } while (u64_stats_fetch_retry_irq(&hwstats->syncp, start)); -} - -static struct ethtool_ops mtk_ethtool_ops = { - .get_link_ksettings = mtk_get_link_ksettings, - .set_link_ksettings = mtk_set_link_ksettings, - .get_drvinfo = mtk_get_drvinfo, - .get_msglevel = mtk_get_msglevel, - .set_msglevel = mtk_set_msglevel, - .nway_reset = mtk_nway_reset, - .get_link = mtk_get_link, - .set_ringparam = mtk_set_ringparam, - .get_ringparam = mtk_get_ringparam, -}; - -void mtk_set_ethtool_ops(struct net_device *netdev) -{ - struct mtk_mac *mac = netdev_priv(netdev); - struct mtk_soc_data *soc = mac->hw->soc; - - if (soc->reg_table[MTK_REG_MTK_COUNTER_BASE]) { - mtk_ethtool_ops.get_strings = mtk_get_strings; - mtk_ethtool_ops.get_sset_count = mtk_get_sset_count; - mtk_ethtool_ops.get_ethtool_stats = mtk_get_ethtool_stats; - } - - netdev->ethtool_ops = &mtk_ethtool_ops; -} diff --git a/drivers/staging/mt7621-eth/ethtool.h b/drivers/staging/mt7621-eth/ethtool.h deleted file mode 100644 index 0071469aea6c..000000000000 --- a/drivers/staging/mt7621-eth/ethtool.h +++ /dev/null @@ -1,15 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -/* - * Copyright (C) 2009-2016 John Crispin <blogic@openwrt.org> - * Copyright (C) 2009-2016 Felix Fietkau <nbd@openwrt.org> - * Copyright (C) 2013-2016 Michael Lee <igvtee@gmail.com> - */ - -#ifndef MTK_ETHTOOL_H -#define MTK_ETHTOOL_H - -#include <linux/ethtool.h> - -void mtk_set_ethtool_ops(struct net_device *netdev); - -#endif /* MTK_ETHTOOL_H */ diff --git a/drivers/staging/mt7621-eth/gsw_mt7620.h b/drivers/staging/mt7621-eth/gsw_mt7620.h deleted file mode 100644 index 70f7e5481952..000000000000 --- a/drivers/staging/mt7621-eth/gsw_mt7620.h +++ /dev/null @@ -1,277 +0,0 @@ -/* This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; version 2 of the License - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * Copyright (C) 2009-2016 John Crispin <blogic@openwrt.org> - * Copyright (C) 2009-2016 Felix Fietkau <nbd@openwrt.org> - * Copyright (C) 2013-2016 Michael Lee <igvtee@gmail.com> - */ - -#ifndef _RALINK_GSW_MT7620_H__ -#define _RALINK_GSW_MT7620_H__ - -#define GSW_REG_PHY_TIMEOUT (5 * HZ) - -#define MT7620_GSW_REG_PIAC 0x0004 - -#define GSW_NUM_VLANS 16 -#define GSW_NUM_VIDS 4096 -#define GSW_NUM_PORTS 7 -#define GSW_PORT6 6 - -#define GSW_MDIO_ACCESS BIT(31) -#define GSW_MDIO_READ BIT(19) -#define GSW_MDIO_WRITE BIT(18) -#define GSW_MDIO_START BIT(16) -#define GSW_MDIO_ADDR_SHIFT 20 -#define GSW_MDIO_REG_SHIFT 25 - -#define GSW_REG_PORT_PMCR(x) (0x3000 + (x * 0x100)) -#define GSW_REG_PORT_STATUS(x) (0x3008 + (x * 0x100)) -#define GSW_REG_SMACCR0 0x3fE4 -#define GSW_REG_SMACCR1 0x3fE8 -#define GSW_REG_CKGCR 0x3ff0 - -#define GSW_REG_IMR 0x7008 -#define GSW_REG_ISR 0x700c -#define GSW_REG_GPC1 0x7014 - -#define SYSC_REG_CHIP_REV_ID 0x0c -#define SYSC_REG_CFG 0x10 -#define SYSC_REG_CFG1 0x14 -#define RST_CTRL_MCM BIT(2) -#define SYSC_PAD_RGMII2_MDIO 0x58 -#define SYSC_GPIO_MODE 0x60 - -#define PORT_IRQ_ST_CHG 0x7f - -#define MT7621_ESW_PHY_POLLING 0x0000 -#define MT7620_ESW_PHY_POLLING 0x7000 - -#define PMCR_IPG BIT(18) -#define PMCR_MAC_MODE BIT(16) -#define PMCR_FORCE BIT(15) -#define PMCR_TX_EN BIT(14) -#define PMCR_RX_EN BIT(13) -#define PMCR_BACKOFF BIT(9) -#define PMCR_BACKPRES BIT(8) -#define PMCR_RX_FC BIT(5) -#define PMCR_TX_FC BIT(4) -#define PMCR_SPEED(_x) (_x << 2) -#define PMCR_DUPLEX BIT(1) -#define PMCR_LINK BIT(0) - -#define PHY_AN_EN BIT(31) -#define PHY_PRE_EN BIT(30) -#define PMY_MDC_CONF(_x) ((_x & 0x3f) << 24) - -/* ethernet subsystem config register */ -#define ETHSYS_SYSCFG0 0x14 -/* ethernet subsystem clock register */ -#define ETHSYS_CLKCFG0 0x2c -#define ETHSYS_TRGMII_CLK_SEL362_5 BIT(11) - -/* p5 RGMII wrapper TX clock control register */ -#define MT7530_P5RGMIITXCR 0x7b04 -/* p5 RGMII wrapper RX clock control register */ -#define MT7530_P5RGMIIRXCR 0x7b00 -/* TRGMII TDX ODT registers */ -#define MT7530_TRGMII_TD0_ODT 0x7a54 -#define MT7530_TRGMII_TD1_ODT 0x7a5c -#define MT7530_TRGMII_TD2_ODT 0x7a64 -#define MT7530_TRGMII_TD3_ODT 0x7a6c -#define MT7530_TRGMII_TD4_ODT 0x7a74 -#define MT7530_TRGMII_TD5_ODT 0x7a7c -/* TRGMII TCK ctrl register */ -#define MT7530_TRGMII_TCK_CTRL 0x7a78 -/* TRGMII Tx ctrl register */ -#define MT7530_TRGMII_TXCTRL 0x7a40 -/* port 6 extended control register */ -#define MT7530_P6ECR 0x7830 -/* IO driver control register */ -#define MT7530_IO_DRV_CR 0x7810 -/* top signal control register */ -#define MT7530_TOP_SIG_CTRL 0x7808 -/* modified hwtrap register */ -#define MT7530_MHWTRAP 0x7804 -/* hwtrap status register */ -#define MT7530_HWTRAP 0x7800 -/* status interrupt register */ -#define MT7530_SYS_INT_STS 0x700c -/* system nterrupt register */ -#define MT7530_SYS_INT_EN 0x7008 -/* system control register */ -#define MT7530_SYS_CTRL 0x7000 -/* port MAC status register */ -#define MT7530_PMSR_P(x) (0x3008 + (x * 0x100)) -/* port MAC control register */ -#define MT7530_PMCR_P(x) (0x3000 + (x * 0x100)) - -#define MT7621_XTAL_SHIFT 6 -#define MT7621_XTAL_MASK 0x7 -#define MT7621_XTAL_25 6 -#define MT7621_XTAL_40 3 -#define MT7621_MDIO_DRV_MASK (3 << 4) -#define MT7621_GE1_MODE_MASK (3 << 12) - -#define TRGMII_TXCTRL_TXC_INV BIT(30) -#define P6ECR_INTF_MODE_RGMII BIT(1) -#define P5RGMIIRXCR_C_ALIGN BIT(8) -#define P5RGMIIRXCR_DELAY_2 BIT(1) -#define P5RGMIITXCR_DELAY_2 (BIT(8) | BIT(2)) - -/* TOP_SIG_CTRL bits */ -#define TOP_SIG_CTRL_NORMAL (BIT(17) | BIT(16)) - -/* MHWTRAP bits */ -#define MHWTRAP_MANUAL BIT(16) -#define MHWTRAP_P5_MAC_SEL BIT(13) -#define MHWTRAP_P6_DIS BIT(8) -#define MHWTRAP_P5_RGMII_MODE BIT(7) -#define MHWTRAP_P5_DIS BIT(6) -#define MHWTRAP_PHY_ACCESS BIT(5) - -/* HWTRAP bits */ -#define HWTRAP_XTAL_SHIFT 9 -#define HWTRAP_XTAL_MASK 0x3 - -/* SYS_CTRL bits */ -#define SYS_CTRL_SW_RST BIT(1) -#define SYS_CTRL_REG_RST BIT(0) - -/* PMCR bits */ -#define PMCR_IFG_XMIT_96 BIT(18) -#define PMCR_MAC_MODE BIT(16) -#define PMCR_FORCE_MODE BIT(15) -#define PMCR_TX_EN BIT(14) -#define PMCR_RX_EN BIT(13) -#define PMCR_BACK_PRES_EN BIT(9) -#define PMCR_BACKOFF_EN BIT(8) -#define PMCR_TX_FC_EN BIT(5) -#define PMCR_RX_FC_EN BIT(4) -#define PMCR_FORCE_SPEED_1000 BIT(3) -#define PMCR_FORCE_FDX BIT(1) -#define PMCR_FORCE_LNK BIT(0) -#define PMCR_FIXED_LINK (PMCR_IFG_XMIT_96 | PMCR_MAC_MODE | \ - PMCR_FORCE_MODE | PMCR_TX_EN | PMCR_RX_EN | \ - PMCR_BACK_PRES_EN | PMCR_BACKOFF_EN | \ - PMCR_FORCE_SPEED_1000 | PMCR_FORCE_FDX | \ - PMCR_FORCE_LNK) - -#define PMCR_FIXED_LINK_FC (PMCR_FIXED_LINK | \ - PMCR_TX_FC_EN | PMCR_RX_FC_EN) - -/* TRGMII control registers */ -#define GSW_INTF_MODE 0x390 -#define GSW_TRGMII_TD0_ODT 0x354 -#define GSW_TRGMII_TD1_ODT 0x35c -#define GSW_TRGMII_TD2_ODT 0x364 -#define GSW_TRGMII_TD3_ODT 0x36c -#define GSW_TRGMII_TXCTL_ODT 0x374 -#define GSW_TRGMII_TCK_ODT 0x37c -#define GSW_TRGMII_RCK_CTRL 0x300 - -#define INTF_MODE_TRGMII BIT(1) -#define TRGMII_RCK_CTRL_RX_RST BIT(31) - -/* Mac control registers */ -#define MTK_MAC_P2_MCR 0x200 -#define MTK_MAC_P1_MCR 0x100 - -#define MAC_MCR_MAX_RX_2K BIT(29) -#define MAC_MCR_IPG_CFG (BIT(18) | BIT(16)) -#define MAC_MCR_FORCE_MODE BIT(15) -#define MAC_MCR_TX_EN BIT(14) -#define MAC_MCR_RX_EN BIT(13) -#define MAC_MCR_BACKOFF_EN BIT(9) -#define MAC_MCR_BACKPR_EN BIT(8) -#define MAC_MCR_FORCE_RX_FC BIT(5) -#define MAC_MCR_FORCE_TX_FC BIT(4) -#define MAC_MCR_SPEED_1000 BIT(3) -#define MAC_MCR_FORCE_DPX BIT(1) -#define MAC_MCR_FORCE_LINK BIT(0) -#define MAC_MCR_FIXED_LINK (MAC_MCR_MAX_RX_2K | MAC_MCR_IPG_CFG | \ - MAC_MCR_FORCE_MODE | MAC_MCR_TX_EN | \ - MAC_MCR_RX_EN | MAC_MCR_BACKOFF_EN | \ - MAC_MCR_BACKPR_EN | MAC_MCR_FORCE_RX_FC | \ - MAC_MCR_FORCE_TX_FC | MAC_MCR_SPEED_1000 | \ - MAC_MCR_FORCE_DPX | MAC_MCR_FORCE_LINK) -#define MAC_MCR_FIXED_LINK_FC (MAC_MCR_MAX_RX_2K | MAC_MCR_IPG_CFG | \ - MAC_MCR_FIXED_LINK) - -/* possible XTAL speed */ -#define MT7623_XTAL_40 0 -#define MT7623_XTAL_20 1 -#define MT7623_XTAL_25 3 - -/* GPIO port control registers */ -#define GPIO_OD33_CTRL8 0x4c0 -#define GPIO_BIAS_CTRL 0xed0 -#define GPIO_DRV_SEL10 0xf00 - -/* on MT7620 the functio of port 4 can be software configured */ -enum { - PORT4_EPHY = 0, - PORT4_EXT, -}; - -/* struct mt7620_gsw - the structure that holds the SoC specific data - * @dev: The Device struct - * @base: The base address - * @piac_offset: The PIAC base may change depending on SoC - * @irq: The IRQ we are using - * @port4: The port4 mode on MT7620 - * @autopoll: Is MDIO autopolling enabled - * @ethsys: The ethsys register map - * @pctl: The pin control register map - * @clk_gsw: The switch clock - * @clk_gp1: The gmac1 clock - * @clk_gp2: The gmac2 clock - * @clk_trgpll: The trgmii pll clock - */ -struct mt7620_gsw { - struct device *dev; - void __iomem *base; - u32 piac_offset; - int irq; - int port4; - unsigned long int autopoll; - - struct regmap *ethsys; - struct regmap *pctl; - - struct clk *clk_gsw; - struct clk *clk_gp1; - struct clk *clk_gp2; - struct clk *clk_trgpll; -}; - -/* switch register I/O wrappers */ -void mtk_switch_w32(struct mt7620_gsw *gsw, u32 val, unsigned int reg); -u32 mtk_switch_r32(struct mt7620_gsw *gsw, unsigned int reg); - -/* the callback used by the driver core to bringup the switch */ -int mtk_gsw_init(struct mtk_eth *eth); - -/* MDIO access wrappers */ -int mt7620_mdio_write(struct mii_bus *bus, int phy_addr, int phy_reg, u16 val); -int mt7620_mdio_read(struct mii_bus *bus, int phy_addr, int phy_reg); -void mt7620_mdio_link_adjust(struct mtk_eth *eth, int port); -int mt7620_has_carrier(struct mtk_eth *eth); -void mt7620_print_link_state(struct mtk_eth *eth, int port, int link, - int speed, int duplex); -void mt7530_mdio_w32(struct mt7620_gsw *gsw, u32 reg, u32 val); -u32 mt7530_mdio_r32(struct mt7620_gsw *gsw, u32 reg); -void mt7530_mdio_m32(struct mt7620_gsw *gsw, u32 mask, u32 set, u32 reg); - -u32 _mt7620_mii_write(struct mt7620_gsw *gsw, u32 phy_addr, - u32 phy_register, u32 write_data); -u32 _mt7620_mii_read(struct mt7620_gsw *gsw, int phy_addr, int phy_reg); -void mt7620_handle_carrier(struct mtk_eth *eth); - -#endif diff --git a/drivers/staging/mt7621-eth/gsw_mt7621.c b/drivers/staging/mt7621-eth/gsw_mt7621.c deleted file mode 100644 index 53767b17bad9..000000000000 --- a/drivers/staging/mt7621-eth/gsw_mt7621.c +++ /dev/null @@ -1,297 +0,0 @@ -/* This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; version 2 of the License - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * Copyright (C) 2009-2016 John Crispin <blogic@openwrt.org> - * Copyright (C) 2009-2016 Felix Fietkau <nbd@openwrt.org> - * Copyright (C) 2013-2016 Michael Lee <igvtee@gmail.com> - */ - -#include <linux/module.h> -#include <linux/kernel.h> -#include <linux/types.h> -#include <linux/platform_device.h> -#include <linux/of_device.h> -#include <linux/of_irq.h> - -#include <ralink_regs.h> - -#include "mtk_eth_soc.h" -#include "gsw_mt7620.h" - -void mtk_switch_w32(struct mt7620_gsw *gsw, u32 val, unsigned int reg) -{ - iowrite32(val, gsw->base + reg); -} -EXPORT_SYMBOL_GPL(mtk_switch_w32); - -u32 mtk_switch_r32(struct mt7620_gsw *gsw, unsigned int reg) -{ - return ioread32(gsw->base + reg); -} -EXPORT_SYMBOL_GPL(mtk_switch_r32); - -static irqreturn_t gsw_interrupt_mt7621(int irq, void *_eth) -{ - struct mtk_eth *eth = (struct mtk_eth *)_eth; - struct mt7620_gsw *gsw = (struct mt7620_gsw *)eth->sw_priv; - u32 reg, i; - - reg = mt7530_mdio_r32(gsw, MT7530_SYS_INT_STS); - - for (i = 0; i < 5; i++) { - unsigned int link; - - if ((reg & BIT(i)) == 0) - continue; - - link = mt7530_mdio_r32(gsw, MT7530_PMSR_P(i)) & 0x1; - - if (link == eth->link[i]) - continue; - - eth->link[i] = link; - if (link) - netdev_info(*eth->netdev, - "port %d link up\n", i); - else - netdev_info(*eth->netdev, - "port %d link down\n", i); - } - - mt7530_mdio_w32(gsw, MT7530_SYS_INT_STS, 0x1f); - - return IRQ_HANDLED; -} - -static void mt7621_hw_init(struct mtk_eth *eth, struct mt7620_gsw *gsw, - struct device_node *np) -{ - u32 i; - u32 val; - - /* hardware reset the switch */ - mtk_reset(eth, RST_CTRL_MCM); - mdelay(10); - - /* reduce RGMII2 PAD driving strength */ - rt_sysc_m32(MT7621_MDIO_DRV_MASK, 0, SYSC_PAD_RGMII2_MDIO); - - /* gpio mux - RGMII1=Normal mode */ - rt_sysc_m32(BIT(14), 0, SYSC_GPIO_MODE); - - /* set GMAC1 RGMII mode */ - rt_sysc_m32(MT7621_GE1_MODE_MASK, 0, SYSC_REG_CFG1); - - /* enable MDIO to control MT7530 */ - rt_sysc_m32(3 << 12, 0, SYSC_GPIO_MODE); - - /* turn off all PHYs */ - for (i = 0; i <= 4; i++) { - val = _mt7620_mii_read(gsw, i, 0x0); - val |= BIT(11); - _mt7620_mii_write(gsw, i, 0x0, val); - } - - /* reset the switch */ - mt7530_mdio_w32(gsw, MT7530_SYS_CTRL, - SYS_CTRL_SW_RST | SYS_CTRL_REG_RST); - usleep_range(10, 20); - - if ((rt_sysc_r32(SYSC_REG_CHIP_REV_ID) & 0xFFFF) == 0x0101) { - /* GE1, Force 1000M/FD, FC ON, MAX_RX_LENGTH 1536 */ - mtk_switch_w32(gsw, MAC_MCR_FIXED_LINK, MTK_MAC_P2_MCR); - mt7530_mdio_w32(gsw, MT7530_PMCR_P(6), PMCR_FIXED_LINK); - } else { - /* GE1, Force 1000M/FD, FC ON, MAX_RX_LENGTH 1536 */ - mtk_switch_w32(gsw, MAC_MCR_FIXED_LINK_FC, MTK_MAC_P1_MCR); - mt7530_mdio_w32(gsw, MT7530_PMCR_P(6), PMCR_FIXED_LINK_FC); - } - - /* GE2, Link down */ - mtk_switch_w32(gsw, MAC_MCR_FORCE_MODE, MTK_MAC_P2_MCR); - - /* Enable Port 6, P5 as GMAC5, P5 disable */ - val = mt7530_mdio_r32(gsw, MT7530_MHWTRAP); - /* Enable Port 6 */ - val &= ~MHWTRAP_P6_DIS; - /* Disable Port 5 */ - val |= MHWTRAP_P5_DIS; - /* manual override of HW-Trap */ - val |= MHWTRAP_MANUAL; - mt7530_mdio_w32(gsw, MT7530_MHWTRAP, val); - - val = rt_sysc_r32(SYSC_REG_CFG); - val = (val >> MT7621_XTAL_SHIFT) & MT7621_XTAL_MASK; - if (val < MT7621_XTAL_25 && val >= MT7621_XTAL_40) { - /* 40Mhz */ - - /* disable MT7530 core clock */ - _mt7620_mii_write(gsw, 0, 13, 0x1f); - _mt7620_mii_write(gsw, 0, 14, 0x410); - _mt7620_mii_write(gsw, 0, 13, 0x401f); - _mt7620_mii_write(gsw, 0, 14, 0x0); - - /* disable MT7530 PLL */ - _mt7620_mii_write(gsw, 0, 13, 0x1f); - _mt7620_mii_write(gsw, 0, 14, 0x40d); - _mt7620_mii_write(gsw, 0, 13, 0x401f); - _mt7620_mii_write(gsw, 0, 14, 0x2020); - - /* for MT7530 core clock = 500Mhz */ - _mt7620_mii_write(gsw, 0, 13, 0x1f); - _mt7620_mii_write(gsw, 0, 14, 0x40e); - _mt7620_mii_write(gsw, 0, 13, 0x401f); - _mt7620_mii_write(gsw, 0, 14, 0x119); - - /* enable MT7530 PLL */ - _mt7620_mii_write(gsw, 0, 13, 0x1f); - _mt7620_mii_write(gsw, 0, 14, 0x40d); - _mt7620_mii_write(gsw, 0, 13, 0x401f); - _mt7620_mii_write(gsw, 0, 14, 0x2820); - - usleep_range(20, 40); - - /* enable MT7530 core clock */ - _mt7620_mii_write(gsw, 0, 13, 0x1f); - _mt7620_mii_write(gsw, 0, 14, 0x410); - _mt7620_mii_write(gsw, 0, 13, 0x401f); - } - - /* RGMII */ - _mt7620_mii_write(gsw, 0, 14, 0x1); - - /* set MT7530 central align */ - mt7530_mdio_m32(gsw, BIT(0), P6ECR_INTF_MODE_RGMII, MT7530_P6ECR); - mt7530_mdio_m32(gsw, TRGMII_TXCTRL_TXC_INV, 0, - MT7530_TRGMII_TXCTRL); - mt7530_mdio_w32(gsw, MT7530_TRGMII_TCK_CTRL, 0x855); - - /* delay setting for 10/1000M */ - mt7530_mdio_w32(gsw, MT7530_P5RGMIIRXCR, - P5RGMIIRXCR_C_ALIGN | P5RGMIIRXCR_DELAY_2); - mt7530_mdio_w32(gsw, MT7530_P5RGMIITXCR, 0x14); - - /* lower Tx Driving*/ - mt7530_mdio_w32(gsw, MT7530_TRGMII_TD0_ODT, 0x44); - mt7530_mdio_w32(gsw, MT7530_TRGMII_TD1_ODT, 0x44); - mt7530_mdio_w32(gsw, MT7530_TRGMII_TD2_ODT, 0x44); - mt7530_mdio_w32(gsw, MT7530_TRGMII_TD3_ODT, 0x44); - mt7530_mdio_w32(gsw, MT7530_TRGMII_TD4_ODT, 0x44); - mt7530_mdio_w32(gsw, MT7530_TRGMII_TD5_ODT, 0x44); - - /* turn on all PHYs */ - for (i = 0; i <= 4; i++) { - val = _mt7620_mii_read(gsw, i, 0); - val &= ~BIT(11); - _mt7620_mii_write(gsw, i, 0, val); - } - -#define MT7530_NUM_PORTS 8 -#define REG_ESW_PORT_PCR(x) (0x2004 | ((x) << 8)) -#define REG_ESW_PORT_PVC(x) (0x2010 | ((x) << 8)) -#define REG_ESW_PORT_PPBV1(x) (0x2014 | ((x) << 8)) -#define MT7530_CPU_PORT 6 - - /* This is copied from mt7530_apply_config in libreCMC driver */ - { - int i; - - for (i = 0; i < MT7530_NUM_PORTS; i++) - mt7530_mdio_w32(gsw, REG_ESW_PORT_PCR(i), 0x00400000); - - mt7530_mdio_w32(gsw, REG_ESW_PORT_PCR(MT7530_CPU_PORT), - 0x00ff0000); - - for (i = 0; i < MT7530_NUM_PORTS; i++) - mt7530_mdio_w32(gsw, REG_ESW_PORT_PVC(i), 0x810000c0); - } - - /* enable irq */ - mt7530_mdio_m32(gsw, 0, 3 << 16, MT7530_TOP_SIG_CTRL); - mt7530_mdio_w32(gsw, MT7530_SYS_INT_EN, 0x1f); -} - -static const struct of_device_id mediatek_gsw_match[] = { - { .compatible = "mediatek,mt7621-gsw" }, - {}, -}; -MODULE_DEVICE_TABLE(of, mediatek_gsw_match); - -int mtk_gsw_init(struct mtk_eth *eth) -{ - struct device_node *np = eth->switch_np; - struct platform_device *pdev = of_find_device_by_node(np); - struct mt7620_gsw *gsw; - - if (!pdev) - return -ENODEV; - - if (!of_device_is_compatible(np, mediatek_gsw_match->compatible)) - return -EINVAL; - - gsw = platform_get_drvdata(pdev); - eth->sw_priv = gsw; - - if (!gsw->irq) - return -EINVAL; - - request_irq(gsw->irq, gsw_interrupt_mt7621, 0, - "gsw", eth); - disable_irq(gsw->irq); - - mt7621_hw_init(eth, gsw, np); - - enable_irq(gsw->irq); - - return 0; -} -EXPORT_SYMBOL_GPL(mtk_gsw_init); - -static int mt7621_gsw_probe(struct platform_device *pdev) -{ - struct resource *res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - struct mt7620_gsw *gsw; - - gsw = devm_kzalloc(&pdev->dev, sizeof(struct mt7620_gsw), GFP_KERNEL); - if (!gsw) - return -ENOMEM; - - gsw->base = devm_ioremap_resource(&pdev->dev, res); - if (IS_ERR(gsw->base)) - return PTR_ERR(gsw->base); - - gsw->dev = &pdev->dev; - gsw->irq = irq_of_parse_and_map(pdev->dev.of_node, 0); - - platform_set_drvdata(pdev, gsw); - - return 0; -} - -static int mt7621_gsw_remove(struct platform_device *pdev) -{ - platform_set_drvdata(pdev, NULL); - - return 0; -} - -static struct platform_driver gsw_driver = { - .probe = mt7621_gsw_probe, - .remove = mt7621_gsw_remove, - .driver = { - .name = "mt7621-gsw", - .of_match_table = mediatek_gsw_match, - }, -}; - -module_platform_driver(gsw_driver); - -MODULE_LICENSE("GPL"); -MODULE_AUTHOR("John Crispin <blogic@openwrt.org>"); -MODULE_DESCRIPTION("GBit switch driver for Mediatek MT7621 SoC"); diff --git a/drivers/staging/mt7621-eth/mdio.c b/drivers/staging/mt7621-eth/mdio.c deleted file mode 100644 index 5fea6a447eed..000000000000 --- a/drivers/staging/mt7621-eth/mdio.c +++ /dev/null @@ -1,275 +0,0 @@ -/* This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; version 2 of the License - * - * Copyright (C) 2009-2016 John Crispin <blogic@openwrt.org> - * Copyright (C) 2009-2016 Felix Fietkau <nbd@openwrt.org> - * Copyright (C) 2013-2016 Michael Lee <igvtee@gmail.com> - */ - -#include <linux/module.h> -#include <linux/kernel.h> -#include <linux/phy.h> -#include <linux/of_net.h> -#include <linux/of_mdio.h> - -#include "mtk_eth_soc.h" -#include "mdio.h" - -static int mtk_mdio_reset(struct mii_bus *bus) -{ - /* TODO */ - return 0; -} - -static void mtk_phy_link_adjust(struct net_device *dev) -{ - struct mtk_eth *eth = netdev_priv(dev); - unsigned long flags; - int i; - - spin_lock_irqsave(ð->phy->lock, flags); - for (i = 0; i < 8; i++) { - if (eth->phy->phy_node[i]) { - struct phy_device *phydev = eth->phy->phy[i]; - int status_change = 0; - - if (phydev->link) - if (eth->phy->duplex[i] != phydev->duplex || - eth->phy->speed[i] != phydev->speed) - status_change = 1; - - if (phydev->link != eth->link[i]) - status_change = 1; - - switch (phydev->speed) { - case SPEED_1000: - case SPEED_100: - case SPEED_10: - eth->link[i] = phydev->link; - eth->phy->duplex[i] = phydev->duplex; - eth->phy->speed[i] = phydev->speed; - - if (status_change && - eth->soc->mdio_adjust_link) - eth->soc->mdio_adjust_link(eth, i); - break; - } - } - } - spin_unlock_irqrestore(ð->phy->lock, flags); -} - -int mtk_connect_phy_node(struct mtk_eth *eth, struct mtk_mac *mac, - struct device_node *phy_node) -{ - const __be32 *_port = NULL; - struct phy_device *phydev; - int phy_mode, port; - - _port = of_get_property(phy_node, "reg", NULL); - - if (!_port || (be32_to_cpu(*_port) >= 0x20)) { - pr_err("%pOFn: invalid port id\n", phy_node); - return -EINVAL; - } - port = be32_to_cpu(*_port); - phy_mode = of_get_phy_mode(phy_node); - if (phy_mode < 0) { - dev_err(eth->dev, "incorrect phy-mode %d\n", phy_mode); - eth->phy->phy_node[port] = NULL; - return -EINVAL; - } - - phydev = of_phy_connect(eth->netdev[mac->id], phy_node, - mtk_phy_link_adjust, 0, phy_mode); - if (!phydev) { - dev_err(eth->dev, "could not connect to PHY\n"); - eth->phy->phy_node[port] = NULL; - return -ENODEV; - } - - phydev->supported &= PHY_1000BT_FEATURES; - phydev->advertising = phydev->supported; - - dev_info(eth->dev, - "connected port %d to PHY at %s [uid=%08x, driver=%s]\n", - port, phydev_name(phydev), phydev->phy_id, - phydev->drv->name); - - eth->phy->phy[port] = phydev; - eth->link[port] = 0; - - return 0; -} - -static void phy_init(struct mtk_eth *eth, struct mtk_mac *mac, - struct phy_device *phy) -{ - phy_attach(eth->netdev[mac->id], phydev_name(phy), - PHY_INTERFACE_MODE_MII); - - phy->autoneg = AUTONEG_ENABLE; - phy->speed = 0; - phy->duplex = 0; - phy_set_max_speed(phy, SPEED_100); - phy->advertising = phy->supported | ADVERTISED_Autoneg; - - phy_start_aneg(phy); -} - -static int mtk_phy_connect(struct mtk_mac *mac) -{ - struct mtk_eth *eth = mac->hw; - int i; - - for (i = 0; i < 8; i++) { - if (eth->phy->phy_node[i]) { - if (!mac->phy_dev) { - mac->phy_dev = eth->phy->phy[i]; - mac->phy_flags = MTK_PHY_FLAG_PORT; - } - } else if (eth->mii_bus) { - struct phy_device *phy; - - phy = mdiobus_get_phy(eth->mii_bus, i); - if (phy) { - phy_init(eth, mac, phy); - if (!mac->phy_dev) { - mac->phy_dev = phy; - mac->phy_flags = MTK_PHY_FLAG_ATTACH; - } - } - } - } - - return 0; -} - -static void mtk_phy_disconnect(struct mtk_mac *mac) -{ - struct mtk_eth *eth = mac->hw; - unsigned long flags; - int i; - - for (i = 0; i < 8; i++) - if (eth->phy->phy_fixed[i]) { - spin_lock_irqsave(ð->phy->lock, flags); - eth->link[i] = 0; - if (eth->soc->mdio_adjust_link) - eth->soc->mdio_adjust_link(eth, i); - spin_unlock_irqrestore(ð->phy->lock, flags); - } else if (eth->phy->phy[i]) { - phy_disconnect(eth->phy->phy[i]); - } else if (eth->mii_bus) { - struct phy_device *phy = - mdiobus_get_phy(eth->mii_bus, i); - - if (phy) - phy_detach(phy); - } -} - -static void mtk_phy_start(struct mtk_mac *mac) -{ - struct mtk_eth *eth = mac->hw; - unsigned long flags; - int i; - - for (i = 0; i < 8; i++) { - if (eth->phy->phy_fixed[i]) { - spin_lock_irqsave(ð->phy->lock, flags); - eth->link[i] = 1; - if (eth->soc->mdio_adjust_link) - eth->soc->mdio_adjust_link(eth, i); - spin_unlock_irqrestore(ð->phy->lock, flags); - } else if (eth->phy->phy[i]) { - phy_start(eth->phy->phy[i]); - } - } -} - -static void mtk_phy_stop(struct mtk_mac *mac) -{ - struct mtk_eth *eth = mac->hw; - unsigned long flags; - int i; - - for (i = 0; i < 8; i++) - if (eth->phy->phy_fixed[i]) { - spin_lock_irqsave(ð->phy->lock, flags); - eth->link[i] = 0; - if (eth->soc->mdio_adjust_link) - eth->soc->mdio_adjust_link(eth, i); - spin_unlock_irqrestore(ð->phy->lock, flags); - } else if (eth->phy->phy[i]) { - phy_stop(eth->phy->phy[i]); - } -} - -static struct mtk_phy phy_ralink = { - .connect = mtk_phy_connect, - .disconnect = mtk_phy_disconnect, - .start = mtk_phy_start, - .stop = mtk_phy_stop, -}; - -int mtk_mdio_init(struct mtk_eth *eth) -{ - struct device_node *mii_np; - int err; - - if (!eth->soc->mdio_read || !eth->soc->mdio_write) - return 0; - - spin_lock_init(&phy_ralink.lock); - eth->phy = &phy_ralink; - - mii_np = of_get_child_by_name(eth->dev->of_node, "mdio-bus"); - if (!mii_np) { - dev_err(eth->dev, "no %s child node found", "mdio-bus"); - return -ENODEV; - } - - if (!of_device_is_available(mii_np)) { - err = 0; - goto err_put_node; - } - - eth->mii_bus = mdiobus_alloc(); - if (!eth->mii_bus) { - err = -ENOMEM; - goto err_put_node; - } - - eth->mii_bus->name = "mdio"; - eth->mii_bus->read = eth->soc->mdio_read; - eth->mii_bus->write = eth->soc->mdio_write; - eth->mii_bus->reset = mtk_mdio_reset; - eth->mii_bus->priv = eth; - eth->mii_bus->parent = eth->dev; - - snprintf(eth->mii_bus->id, MII_BUS_ID_SIZE, "%pOFn", mii_np); - err = of_mdiobus_register(eth->mii_bus, mii_np); - if (err) - goto err_free_bus; - - return 0; - -err_free_bus: - kfree(eth->mii_bus); -err_put_node: - of_node_put(mii_np); - eth->mii_bus = NULL; - return err; -} - -void mtk_mdio_cleanup(struct mtk_eth *eth) -{ - if (!eth->mii_bus) - return; - - mdiobus_unregister(eth->mii_bus); - of_node_put(eth->mii_bus->dev.of_node); - kfree(eth->mii_bus); -} diff --git a/drivers/staging/mt7621-eth/mdio.h b/drivers/staging/mt7621-eth/mdio.h deleted file mode 100644 index b14e23842a01..000000000000 --- a/drivers/staging/mt7621-eth/mdio.h +++ /dev/null @@ -1,27 +0,0 @@ -/* This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; version 2 of the License - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * Copyright (C) 2009-2016 John Crispin <blogic@openwrt.org> - * Copyright (C) 2009-2016 Felix Fietkau <nbd@openwrt.org> - * Copyright (C) 2013-2016 Michael Lee <igvtee@gmail.com> - */ - -#ifndef _RALINK_MDIO_H__ -#define _RALINK_MDIO_H__ - -#ifdef CONFIG_NET_MEDIATEK_MDIO -int mtk_mdio_init(struct mtk_eth *eth); -void mtk_mdio_cleanup(struct mtk_eth *eth); -int mtk_connect_phy_node(struct mtk_eth *eth, struct mtk_mac *mac, - struct device_node *phy_node); -#else -static inline int mtk_mdio_init(struct mtk_eth *eth) { return 0; } -static inline void mtk_mdio_cleanup(struct mtk_eth *eth) {} -#endif -#endif diff --git a/drivers/staging/mt7621-eth/mdio_mt7620.c b/drivers/staging/mt7621-eth/mdio_mt7620.c deleted file mode 100644 index ced605c2914e..000000000000 --- a/drivers/staging/mt7621-eth/mdio_mt7620.c +++ /dev/null @@ -1,173 +0,0 @@ -/* This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; version 2 of the License - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * Copyright (C) 2009-2016 John Crispin <blogic@openwrt.org> - * Copyright (C) 2009-2016 Felix Fietkau <nbd@openwrt.org> - * Copyright (C) 2013-2016 Michael Lee <igvtee@gmail.com> - */ - -#include <linux/module.h> -#include <linux/kernel.h> -#include <linux/types.h> - -#include "mtk_eth_soc.h" -#include "gsw_mt7620.h" -#include "mdio.h" - -static int mt7620_mii_busy_wait(struct mt7620_gsw *gsw) -{ - unsigned long t_start = jiffies; - - while (1) { - if (!(mtk_switch_r32(gsw, - gsw->piac_offset + MT7620_GSW_REG_PIAC) & - GSW_MDIO_ACCESS)) - return 0; - if (time_after(jiffies, t_start + GSW_REG_PHY_TIMEOUT)) - break; - } - - dev_err(gsw->dev, "mdio: MDIO timeout\n"); - return -1; -} - -u32 _mt7620_mii_write(struct mt7620_gsw *gsw, u32 phy_addr, - u32 phy_register, u32 write_data) -{ - if (mt7620_mii_busy_wait(gsw)) - return -1; - - write_data &= 0xffff; - - mtk_switch_w32(gsw, GSW_MDIO_ACCESS | GSW_MDIO_START | GSW_MDIO_WRITE | - (phy_register << GSW_MDIO_REG_SHIFT) | - (phy_addr << GSW_MDIO_ADDR_SHIFT) | write_data, - MT7620_GSW_REG_PIAC); - - if (mt7620_mii_busy_wait(gsw)) - return -1; - - return 0; -} -EXPORT_SYMBOL_GPL(_mt7620_mii_write); - -u32 _mt7620_mii_read(struct mt7620_gsw *gsw, int phy_addr, int phy_reg) -{ - u32 d; - - if (mt7620_mii_busy_wait(gsw)) - return 0xffff; - - mtk_switch_w32(gsw, GSW_MDIO_ACCESS | GSW_MDIO_START | GSW_MDIO_READ | - (phy_reg << GSW_MDIO_REG_SHIFT) | - (phy_addr << GSW_MDIO_ADDR_SHIFT), - MT7620_GSW_REG_PIAC); - - if (mt7620_mii_busy_wait(gsw)) - return 0xffff; - - d = mtk_switch_r32(gsw, MT7620_GSW_REG_PIAC) & 0xffff; - - return d; -} -EXPORT_SYMBOL_GPL(_mt7620_mii_read); - -int mt7620_mdio_write(struct mii_bus *bus, int phy_addr, int phy_reg, u16 val) -{ - struct mtk_eth *eth = bus->priv; - struct mt7620_gsw *gsw = (struct mt7620_gsw *)eth->sw_priv; - - return _mt7620_mii_write(gsw, phy_addr, phy_reg, val); -} - -int mt7620_mdio_read(struct mii_bus *bus, int phy_addr, int phy_reg) -{ - struct mtk_eth *eth = bus->priv; - struct mt7620_gsw *gsw = (struct mt7620_gsw *)eth->sw_priv; - - return _mt7620_mii_read(gsw, phy_addr, phy_reg); -} - -void mt7530_mdio_w32(struct mt7620_gsw *gsw, u32 reg, u32 val) -{ - _mt7620_mii_write(gsw, 0x1f, 0x1f, (reg >> 6) & 0x3ff); - _mt7620_mii_write(gsw, 0x1f, (reg >> 2) & 0xf, val & 0xffff); - _mt7620_mii_write(gsw, 0x1f, 0x10, val >> 16); -} -EXPORT_SYMBOL_GPL(mt7530_mdio_w32); - -u32 mt7530_mdio_r32(struct mt7620_gsw *gsw, u32 reg) -{ - u16 high, low; - - _mt7620_mii_write(gsw, 0x1f, 0x1f, (reg >> 6) & 0x3ff); - low = _mt7620_mii_read(gsw, 0x1f, (reg >> 2) & 0xf); - high = _mt7620_mii_read(gsw, 0x1f, 0x10); - - return (high << 16) | (low & 0xffff); -} -EXPORT_SYMBOL_GPL(mt7530_mdio_r32); - -void mt7530_mdio_m32(struct mt7620_gsw *gsw, u32 mask, u32 set, u32 reg) -{ - u32 val = mt7530_mdio_r32(gsw, reg); - - val &= ~mask; - val |= set; - mt7530_mdio_w32(gsw, reg, val); -} -EXPORT_SYMBOL_GPL(mt7530_mdio_m32); - -static unsigned char *mtk_speed_str(int speed) -{ - switch (speed) { - case 2: - case SPEED_1000: - return "1000"; - case 1: - case SPEED_100: - return "100"; - case 0: - case SPEED_10: - return "10"; - } - - return "? "; -} - -int mt7620_has_carrier(struct mtk_eth *eth) -{ - struct mt7620_gsw *gsw = (struct mt7620_gsw *)eth->sw_priv; - int i; - - for (i = 0; i < GSW_PORT6; i++) - if (mt7530_mdio_r32(gsw, GSW_REG_PORT_STATUS(i)) & 0x1) - return 1; - return 0; -} - -void mt7620_print_link_state(struct mtk_eth *eth, int port, int link, - int speed, int duplex) -{ - struct mt7620_gsw *gsw = eth->sw_priv; - - if (link) - dev_info(gsw->dev, "port %d link up (%sMbps/%s duplex)\n", - port, mtk_speed_str(speed), - (duplex) ? "Full" : "Half"); - else - dev_info(gsw->dev, "port %d link down\n", port); -} - -void mt7620_mdio_link_adjust(struct mtk_eth *eth, int port) -{ - mt7620_print_link_state(eth, port, eth->link[port], - eth->phy->speed[port], - (eth->phy->duplex[port] == DUPLEX_FULL)); -} diff --git a/drivers/staging/mt7621-eth/mtk_eth_soc.c b/drivers/staging/mt7621-eth/mtk_eth_soc.c deleted file mode 100644 index 6027b19f7bc2..000000000000 --- a/drivers/staging/mt7621-eth/mtk_eth_soc.c +++ /dev/null @@ -1,2176 +0,0 @@ -/* This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; version 2 of the License - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * Copyright (C) 2009-2016 John Crispin <blogic@openwrt.org> - * Copyright (C) 2009-2016 Felix Fietkau <nbd@openwrt.org> - * Copyright (C) 2013-2016 Michael Lee <igvtee@gmail.com> - */ - -#include <linux/module.h> -#include <linux/kernel.h> -#include <linux/types.h> -#include <linux/dma-mapping.h> -#include <linux/init.h> -#include <linux/skbuff.h> -#include <linux/etherdevice.h> -#include <linux/ethtool.h> -#include <linux/platform_device.h> -#include <linux/of_device.h> -#include <linux/mfd/syscon.h> -#include <linux/clk.h> -#include <linux/of_net.h> -#include <linux/of_mdio.h> -#include <linux/if_vlan.h> -#include <linux/reset.h> -#include <linux/tcp.h> -#include <linux/io.h> -#include <linux/bug.h> -#include <linux/regmap.h> - -#include "mtk_eth_soc.h" -#include "mdio.h" -#include "ethtool.h" - -#define MAX_RX_LENGTH 1536 -#define MTK_RX_ETH_HLEN (VLAN_ETH_HLEN + VLAN_HLEN + ETH_FCS_LEN) -#define MTK_RX_HLEN (NET_SKB_PAD + MTK_RX_ETH_HLEN + NET_IP_ALIGN) -#define DMA_DUMMY_DESC 0xffffffff -#define MTK_DEFAULT_MSG_ENABLE \ - (NETIF_MSG_DRV | \ - NETIF_MSG_PROBE | \ - NETIF_MSG_LINK | \ - NETIF_MSG_TIMER | \ - NETIF_MSG_IFDOWN | \ - NETIF_MSG_IFUP | \ - NETIF_MSG_RX_ERR | \ - NETIF_MSG_TX_ERR) - -#define TX_DMA_DESP2_DEF (TX_DMA_LS0 | TX_DMA_DONE) -#define NEXT_TX_DESP_IDX(X) (((X) + 1) & (ring->tx_ring_size - 1)) -#define NEXT_RX_DESP_IDX(X) (((X) + 1) & (ring->rx_ring_size - 1)) - -#define SYSC_REG_RSTCTRL 0x34 - -static int mtk_msg_level = -1; -module_param_named(msg_level, mtk_msg_level, int, 0); -MODULE_PARM_DESC(msg_level, "Message level (-1=defaults,0=none,...,16=all)"); - -static const u16 mtk_reg_table_default[MTK_REG_COUNT] = { - [MTK_REG_PDMA_GLO_CFG] = MTK_PDMA_GLO_CFG, - [MTK_REG_PDMA_RST_CFG] = MTK_PDMA_RST_CFG, - [MTK_REG_DLY_INT_CFG] = MTK_DLY_INT_CFG, - [MTK_REG_TX_BASE_PTR0] = MTK_TX_BASE_PTR0, - [MTK_REG_TX_MAX_CNT0] = MTK_TX_MAX_CNT0, - [MTK_REG_TX_CTX_IDX0] = MTK_TX_CTX_IDX0, - [MTK_REG_TX_DTX_IDX0] = MTK_TX_DTX_IDX0, - [MTK_REG_RX_BASE_PTR0] = MTK_RX_BASE_PTR0, - [MTK_REG_RX_MAX_CNT0] = MTK_RX_MAX_CNT0, - [MTK_REG_RX_CALC_IDX0] = MTK_RX_CALC_IDX0, - [MTK_REG_RX_DRX_IDX0] = MTK_RX_DRX_IDX0, - [MTK_REG_MTK_INT_ENABLE] = MTK_INT_ENABLE, - [MTK_REG_MTK_INT_STATUS] = MTK_INT_STATUS, - [MTK_REG_MTK_DMA_VID_BASE] = MTK_DMA_VID0, - [MTK_REG_MTK_COUNTER_BASE] = MTK_GDMA1_TX_GBCNT, - [MTK_REG_MTK_RST_GL] = MTK_RST_GL, -}; - -static const u16 *mtk_reg_table = mtk_reg_table_default; - -void mtk_w32(struct mtk_eth *eth, u32 val, unsigned int reg) -{ - __raw_writel(val, eth->base + reg); -} - -u32 mtk_r32(struct mtk_eth *eth, unsigned int reg) -{ - return __raw_readl(eth->base + reg); -} - -static void mtk_reg_w32(struct mtk_eth *eth, u32 val, enum mtk_reg reg) -{ - mtk_w32(eth, val, mtk_reg_table[reg]); -} - -static u32 mtk_reg_r32(struct mtk_eth *eth, enum mtk_reg reg) -{ - return mtk_r32(eth, mtk_reg_table[reg]); -} - -/* these bits are also exposed via the reset-controller API. however the switch - * and FE need to be brought out of reset in the exakt same moemtn and the - * reset-controller api does not provide this feature yet. Do the reset manually - * until we fixed the reset-controller api to be able to do this - */ -void mtk_reset(struct mtk_eth *eth, u32 reset_bits) -{ - u32 val; - - regmap_read(eth->ethsys, SYSC_REG_RSTCTRL, &val); - val |= reset_bits; - regmap_write(eth->ethsys, SYSC_REG_RSTCTRL, val); - usleep_range(10, 20); - val &= ~reset_bits; - regmap_write(eth->ethsys, SYSC_REG_RSTCTRL, val); - usleep_range(10, 20); -} -EXPORT_SYMBOL(mtk_reset); - -static inline void mtk_irq_ack(struct mtk_eth *eth, u32 mask) -{ - if (eth->soc->dma_type & MTK_PDMA) - mtk_reg_w32(eth, mask, MTK_REG_MTK_INT_STATUS); - if (eth->soc->dma_type & MTK_QDMA) - mtk_w32(eth, mask, MTK_QMTK_INT_STATUS); -} - -static inline u32 mtk_irq_pending(struct mtk_eth *eth) -{ - u32 status = 0; - - if (eth->soc->dma_type & MTK_PDMA) - status |= mtk_reg_r32(eth, MTK_REG_MTK_INT_STATUS); - if (eth->soc->dma_type & MTK_QDMA) - status |= mtk_r32(eth, MTK_QMTK_INT_STATUS); - - return status; -} - -static void mtk_irq_ack_status(struct mtk_eth *eth, u32 mask) -{ - u32 status_reg = MTK_REG_MTK_INT_STATUS; - - if (mtk_reg_table[MTK_REG_MTK_INT_STATUS2]) - status_reg = MTK_REG_MTK_INT_STATUS2; - - mtk_reg_w32(eth, mask, status_reg); -} - -static u32 mtk_irq_pending_status(struct mtk_eth *eth) -{ - u32 status_reg = MTK_REG_MTK_INT_STATUS; - - if (mtk_reg_table[MTK_REG_MTK_INT_STATUS2]) - status_reg = MTK_REG_MTK_INT_STATUS2; - - return mtk_reg_r32(eth, status_reg); -} - -static inline void mtk_irq_disable(struct mtk_eth *eth, u32 mask) -{ - u32 val; - - if (eth->soc->dma_type & MTK_PDMA) { - val = mtk_reg_r32(eth, MTK_REG_MTK_INT_ENABLE); - mtk_reg_w32(eth, val & ~mask, MTK_REG_MTK_INT_ENABLE); - /* flush write */ - mtk_reg_r32(eth, MTK_REG_MTK_INT_ENABLE); - } - if (eth->soc->dma_type & MTK_QDMA) { - val = mtk_r32(eth, MTK_QMTK_INT_ENABLE); - mtk_w32(eth, val & ~mask, MTK_QMTK_INT_ENABLE); - /* flush write */ - mtk_r32(eth, MTK_QMTK_INT_ENABLE); - } -} - -static inline void mtk_irq_enable(struct mtk_eth *eth, u32 mask) -{ - u32 val; - - if (eth->soc->dma_type & MTK_PDMA) { - val = mtk_reg_r32(eth, MTK_REG_MTK_INT_ENABLE); - mtk_reg_w32(eth, val | mask, MTK_REG_MTK_INT_ENABLE); - /* flush write */ - mtk_reg_r32(eth, MTK_REG_MTK_INT_ENABLE); - } - if (eth->soc->dma_type & MTK_QDMA) { - val = mtk_r32(eth, MTK_QMTK_INT_ENABLE); - mtk_w32(eth, val | mask, MTK_QMTK_INT_ENABLE); - /* flush write */ - mtk_r32(eth, MTK_QMTK_INT_ENABLE); - } -} - -static inline u32 mtk_irq_enabled(struct mtk_eth *eth) -{ - u32 enabled = 0; - - if (eth->soc->dma_type & MTK_PDMA) - enabled |= mtk_reg_r32(eth, MTK_REG_MTK_INT_ENABLE); - if (eth->soc->dma_type & MTK_QDMA) - enabled |= mtk_r32(eth, MTK_QMTK_INT_ENABLE); - - return enabled; -} - -static inline void mtk_hw_set_macaddr(struct mtk_mac *mac, - unsigned char *macaddr) -{ - unsigned long flags; - - spin_lock_irqsave(&mac->hw->page_lock, flags); - mtk_w32(mac->hw, (macaddr[0] << 8) | macaddr[1], MTK_GDMA1_MAC_ADRH); - mtk_w32(mac->hw, (macaddr[2] << 24) | (macaddr[3] << 16) | - (macaddr[4] << 8) | macaddr[5], - MTK_GDMA1_MAC_ADRL); - spin_unlock_irqrestore(&mac->hw->page_lock, flags); -} - -static int mtk_set_mac_address(struct net_device *dev, void *p) -{ - int ret = eth_mac_addr(dev, p); - struct mtk_mac *mac = netdev_priv(dev); - struct mtk_eth *eth = mac->hw; - - if (ret) - return ret; - - if (eth->soc->set_mac) - eth->soc->set_mac(mac, dev->dev_addr); - else - mtk_hw_set_macaddr(mac, p); - - return 0; -} - -static inline int mtk_max_frag_size(int mtu) -{ - /* make sure buf_size will be at least MAX_RX_LENGTH */ - if (mtu + MTK_RX_ETH_HLEN < MAX_RX_LENGTH) - mtu = MAX_RX_LENGTH - MTK_RX_ETH_HLEN; - - return SKB_DATA_ALIGN(MTK_RX_HLEN + mtu) + - SKB_DATA_ALIGN(sizeof(struct skb_shared_info)); -} - -static inline int mtk_max_buf_size(int frag_size) -{ - int buf_size = frag_size - NET_SKB_PAD - NET_IP_ALIGN - - SKB_DATA_ALIGN(sizeof(struct skb_shared_info)); - - WARN_ON(buf_size < MAX_RX_LENGTH); - - return buf_size; -} - -static inline void mtk_get_rxd(struct mtk_rx_dma *rxd, - struct mtk_rx_dma *dma_rxd) -{ - rxd->rxd1 = READ_ONCE(dma_rxd->rxd1); - rxd->rxd2 = READ_ONCE(dma_rxd->rxd2); - rxd->rxd3 = READ_ONCE(dma_rxd->rxd3); - rxd->rxd4 = READ_ONCE(dma_rxd->rxd4); -} - -static inline void mtk_set_txd_pdma(struct mtk_tx_dma *txd, - struct mtk_tx_dma *dma_txd) -{ - WRITE_ONCE(dma_txd->txd1, txd->txd1); - WRITE_ONCE(dma_txd->txd3, txd->txd3); - WRITE_ONCE(dma_txd->txd4, txd->txd4); - /* clean dma done flag last */ - WRITE_ONCE(dma_txd->txd2, txd->txd2); -} - -static void mtk_clean_rx(struct mtk_eth *eth, struct mtk_rx_ring *ring) -{ - int i; - - if (ring->rx_data && ring->rx_dma) { - for (i = 0; i < ring->rx_ring_size; i++) { - if (!ring->rx_data[i]) - continue; - if (!ring->rx_dma[i].rxd1) - continue; - dma_unmap_single(eth->dev, - ring->rx_dma[i].rxd1, - ring->rx_buf_size, - DMA_FROM_DEVICE); - skb_free_frag(ring->rx_data[i]); - } - kfree(ring->rx_data); - ring->rx_data = NULL; - } - - if (ring->rx_dma) { - dma_free_coherent(eth->dev, - ring->rx_ring_size * sizeof(*ring->rx_dma), - ring->rx_dma, - ring->rx_phys); - ring->rx_dma = NULL; - } -} - -static int mtk_dma_rx_alloc(struct mtk_eth *eth, struct mtk_rx_ring *ring) -{ - int i, pad = 0; - - ring->frag_size = mtk_max_frag_size(ETH_DATA_LEN); - ring->rx_buf_size = mtk_max_buf_size(ring->frag_size); - ring->rx_ring_size = eth->soc->dma_ring_size; - ring->rx_data = kcalloc(ring->rx_ring_size, sizeof(*ring->rx_data), - GFP_KERNEL); - if (!ring->rx_data) - goto no_rx_mem; - - for (i = 0; i < ring->rx_ring_size; i++) { - ring->rx_data[i] = netdev_alloc_frag(ring->frag_size); - if (!ring->rx_data[i]) - goto no_rx_mem; - } - - ring->rx_dma = - dma_alloc_coherent(eth->dev, - ring->rx_ring_size * sizeof(*ring->rx_dma), - &ring->rx_phys, GFP_ATOMIC | __GFP_ZERO); - if (!ring->rx_dma) - goto no_rx_mem; - - if (!eth->soc->rx_2b_offset) - pad = NET_IP_ALIGN; - - for (i = 0; i < ring->rx_ring_size; i++) { - dma_addr_t dma_addr = dma_map_single(eth->dev, - ring->rx_data[i] + NET_SKB_PAD + pad, - ring->rx_buf_size, - DMA_FROM_DEVICE); - if (unlikely(dma_mapping_error(eth->dev, dma_addr))) - goto no_rx_mem; - ring->rx_dma[i].rxd1 = (unsigned int)dma_addr; - - if (eth->soc->rx_sg_dma) - ring->rx_dma[i].rxd2 = RX_DMA_PLEN0(ring->rx_buf_size); - else - ring->rx_dma[i].rxd2 = RX_DMA_LSO; - } - ring->rx_calc_idx = ring->rx_ring_size - 1; - /* make sure that all changes to the dma ring are flushed before we - * continue - */ - wmb(); - - return 0; - -no_rx_mem: - return -ENOMEM; -} - -static void mtk_txd_unmap(struct device *dev, struct mtk_tx_buf *tx_buf) -{ - if (tx_buf->flags & MTK_TX_FLAGS_SINGLE0) { - dma_unmap_single(dev, - dma_unmap_addr(tx_buf, dma_addr0), - dma_unmap_len(tx_buf, dma_len0), - DMA_TO_DEVICE); - } else if (tx_buf->flags & MTK_TX_FLAGS_PAGE0) { - dma_unmap_page(dev, - dma_unmap_addr(tx_buf, dma_addr0), - dma_unmap_len(tx_buf, dma_len0), - DMA_TO_DEVICE); - } - if (tx_buf->flags & MTK_TX_FLAGS_PAGE1) - dma_unmap_page(dev, - dma_unmap_addr(tx_buf, dma_addr1), - dma_unmap_len(tx_buf, dma_len1), - DMA_TO_DEVICE); - - tx_buf->flags = 0; - if (tx_buf->skb && (tx_buf->skb != (struct sk_buff *)DMA_DUMMY_DESC)) - dev_kfree_skb_any(tx_buf->skb); - tx_buf->skb = NULL; -} - -static void mtk_pdma_tx_clean(struct mtk_eth *eth) -{ - struct mtk_tx_ring *ring = ð->tx_ring; - int i; - - if (ring->tx_buf) { - for (i = 0; i < ring->tx_ring_size; i++) - mtk_txd_unmap(eth->dev, &ring->tx_buf[i]); - kfree(ring->tx_buf); - ring->tx_buf = NULL; - } - - if (ring->tx_dma) { - dma_free_coherent(eth->dev, - ring->tx_ring_size * sizeof(*ring->tx_dma), - ring->tx_dma, - ring->tx_phys); - ring->tx_dma = NULL; - } -} - -static void mtk_qdma_tx_clean(struct mtk_eth *eth) -{ - struct mtk_tx_ring *ring = ð->tx_ring; - int i; - - if (ring->tx_buf) { - for (i = 0; i < ring->tx_ring_size; i++) - mtk_txd_unmap(eth->dev, &ring->tx_buf[i]); - kfree(ring->tx_buf); - ring->tx_buf = NULL; - } - - if (ring->tx_dma) { - dma_free_coherent(eth->dev, - ring->tx_ring_size * sizeof(*ring->tx_dma), - ring->tx_dma, - ring->tx_phys); - ring->tx_dma = NULL; - } -} - -void mtk_stats_update_mac(struct mtk_mac *mac) -{ - struct mtk_hw_stats *hw_stats = mac->hw_stats; - unsigned int base = mtk_reg_table[MTK_REG_MTK_COUNTER_BASE]; - u64 stats; - - base += hw_stats->reg_offset; - - u64_stats_update_begin(&hw_stats->syncp); - - if (mac->hw->soc->new_stats) { - hw_stats->rx_bytes += mtk_r32(mac->hw, base); - stats = mtk_r32(mac->hw, base + 0x04); - if (stats) - hw_stats->rx_bytes += (stats << 32); - hw_stats->rx_packets += mtk_r32(mac->hw, base + 0x08); - hw_stats->rx_overflow += mtk_r32(mac->hw, base + 0x10); - hw_stats->rx_fcs_errors += mtk_r32(mac->hw, base + 0x14); - hw_stats->rx_short_errors += mtk_r32(mac->hw, base + 0x18); - hw_stats->rx_long_errors += mtk_r32(mac->hw, base + 0x1c); - hw_stats->rx_checksum_errors += mtk_r32(mac->hw, base + 0x20); - hw_stats->rx_flow_control_packets += - mtk_r32(mac->hw, base + 0x24); - hw_stats->tx_skip += mtk_r32(mac->hw, base + 0x28); - hw_stats->tx_collisions += mtk_r32(mac->hw, base + 0x2c); - hw_stats->tx_bytes += mtk_r32(mac->hw, base + 0x30); - stats = mtk_r32(mac->hw, base + 0x34); - if (stats) - hw_stats->tx_bytes += (stats << 32); - hw_stats->tx_packets += mtk_r32(mac->hw, base + 0x38); - } else { - hw_stats->tx_bytes += mtk_r32(mac->hw, base); - hw_stats->tx_packets += mtk_r32(mac->hw, base + 0x04); - hw_stats->tx_skip += mtk_r32(mac->hw, base + 0x08); - hw_stats->tx_collisions += mtk_r32(mac->hw, base + 0x0c); - hw_stats->rx_bytes += mtk_r32(mac->hw, base + 0x20); - hw_stats->rx_packets += mtk_r32(mac->hw, base + 0x24); - hw_stats->rx_overflow += mtk_r32(mac->hw, base + 0x28); - hw_stats->rx_fcs_errors += mtk_r32(mac->hw, base + 0x2c); - hw_stats->rx_short_errors += mtk_r32(mac->hw, base + 0x30); - hw_stats->rx_long_errors += mtk_r32(mac->hw, base + 0x34); - hw_stats->rx_checksum_errors += mtk_r32(mac->hw, base + 0x38); - hw_stats->rx_flow_control_packets += - mtk_r32(mac->hw, base + 0x3c); - } - - u64_stats_update_end(&hw_stats->syncp); -} - -static void mtk_get_stats64(struct net_device *dev, - struct rtnl_link_stats64 *storage) -{ - struct mtk_mac *mac = netdev_priv(dev); - struct mtk_hw_stats *hw_stats = mac->hw_stats; - unsigned int base = mtk_reg_table[MTK_REG_MTK_COUNTER_BASE]; - unsigned int start; - - if (!base) { - netdev_stats_to_stats64(storage, &dev->stats); - return; - } - - if (netif_running(dev) && netif_device_present(dev)) { - if (spin_trylock(&hw_stats->stats_lock)) { - mtk_stats_update_mac(mac); - spin_unlock(&hw_stats->stats_lock); - } - } - - do { - start = u64_stats_fetch_begin_irq(&hw_stats->syncp); - storage->rx_packets = hw_stats->rx_packets; - storage->tx_packets = hw_stats->tx_packets; - storage->rx_bytes = hw_stats->rx_bytes; - storage->tx_bytes = hw_stats->tx_bytes; - storage->collisions = hw_stats->tx_collisions; - storage->rx_length_errors = hw_stats->rx_short_errors + - hw_stats->rx_long_errors; - storage->rx_over_errors = hw_stats->rx_overflow; - storage->rx_crc_errors = hw_stats->rx_fcs_errors; - storage->rx_errors = hw_stats->rx_checksum_errors; - storage->tx_aborted_errors = hw_stats->tx_skip; - } while (u64_stats_fetch_retry_irq(&hw_stats->syncp, start)); - - storage->tx_errors = dev->stats.tx_errors; - storage->rx_dropped = dev->stats.rx_dropped; - storage->tx_dropped = dev->stats.tx_dropped; -} - -static int mtk_vlan_rx_add_vid(struct net_device *dev, - __be16 proto, u16 vid) -{ - struct mtk_mac *mac = netdev_priv(dev); - struct mtk_eth *eth = mac->hw; - u32 idx = (vid & 0xf); - u32 vlan_cfg; - - if (!((mtk_reg_table[MTK_REG_MTK_DMA_VID_BASE]) && - (dev->features & NETIF_F_HW_VLAN_CTAG_TX))) - return 0; - - if (test_bit(idx, ð->vlan_map)) { - netdev_warn(dev, "disable tx vlan offload\n"); - dev->wanted_features &= ~NETIF_F_HW_VLAN_CTAG_TX; - netdev_update_features(dev); - } else { - vlan_cfg = mtk_r32(eth, - mtk_reg_table[MTK_REG_MTK_DMA_VID_BASE] + - ((idx >> 1) << 2)); - if (idx & 0x1) { - vlan_cfg &= 0xffff; - vlan_cfg |= (vid << 16); - } else { - vlan_cfg &= 0xffff0000; - vlan_cfg |= vid; - } - mtk_w32(eth, - vlan_cfg, mtk_reg_table[MTK_REG_MTK_DMA_VID_BASE] + - ((idx >> 1) << 2)); - set_bit(idx, ð->vlan_map); - } - - return 0; -} - -static int mtk_vlan_rx_kill_vid(struct net_device *dev, - __be16 proto, u16 vid) -{ - struct mtk_mac *mac = netdev_priv(dev); - struct mtk_eth *eth = mac->hw; - u32 idx = (vid & 0xf); - - if (!((mtk_reg_table[MTK_REG_MTK_DMA_VID_BASE]) && - (dev->features & NETIF_F_HW_VLAN_CTAG_TX))) - return 0; - - clear_bit(idx, ð->vlan_map); - - return 0; -} - -static inline u32 mtk_pdma_empty_txd(struct mtk_tx_ring *ring) -{ - barrier(); - return (u32)(ring->tx_ring_size - - ((ring->tx_next_idx - ring->tx_free_idx) & - (ring->tx_ring_size - 1))); -} - -static int mtk_skb_padto(struct sk_buff *skb, struct mtk_eth *eth) -{ - unsigned int len; - int ret; - - if (unlikely(skb->len >= VLAN_ETH_ZLEN)) - return 0; - - if (eth->soc->padding_64b && !eth->soc->padding_bug) - return 0; - - if (skb_vlan_tag_present(skb)) - len = ETH_ZLEN; - else if (skb->protocol == cpu_to_be16(ETH_P_8021Q)) - len = VLAN_ETH_ZLEN; - else if (!eth->soc->padding_64b) - len = ETH_ZLEN; - else - return 0; - - if (skb->len >= len) - return 0; - - ret = skb_pad(skb, len - skb->len); - if (ret < 0) - return ret; - skb->len = len; - skb_set_tail_pointer(skb, len); - - return ret; -} - -static int mtk_pdma_tx_map(struct sk_buff *skb, struct net_device *dev, - int tx_num, struct mtk_tx_ring *ring, bool gso) -{ - struct mtk_mac *mac = netdev_priv(dev); - struct mtk_eth *eth = mac->hw; - struct skb_frag_struct *frag; - struct mtk_tx_dma txd, *ptxd; - struct mtk_tx_buf *tx_buf; - int i, j, k, frag_size, frag_map_size, offset; - dma_addr_t mapped_addr; - unsigned int nr_frags; - u32 def_txd4; - - if (mtk_skb_padto(skb, eth)) { - netif_warn(eth, tx_err, dev, "tx padding failed!\n"); - return -1; - } - - tx_buf = &ring->tx_buf[ring->tx_next_idx]; - memset(tx_buf, 0, sizeof(*tx_buf)); - memset(&txd, 0, sizeof(txd)); - nr_frags = skb_shinfo(skb)->nr_frags; - - /* init tx descriptor */ - def_txd4 = eth->soc->txd4; - txd.txd4 = def_txd4; - - if (eth->soc->mac_count > 1) - txd.txd4 |= (mac->id + 1) << TX_DMA_FPORT_SHIFT; - - if (gso) - txd.txd4 |= TX_DMA_TSO; - - /* TX Checksum offload */ - if (skb->ip_summed == CHECKSUM_PARTIAL) - txd.txd4 |= TX_DMA_CHKSUM; - - /* VLAN header offload */ - if (skb_vlan_tag_present(skb)) { - u16 tag = skb_vlan_tag_get(skb); - - txd.txd4 |= TX_DMA_INS_VLAN | - ((tag >> VLAN_PRIO_SHIFT) << 4) | - (tag & 0xF); - } - - mapped_addr = dma_map_single(&dev->dev, skb->data, - skb_headlen(skb), DMA_TO_DEVICE); - if (unlikely(dma_mapping_error(&dev->dev, mapped_addr))) - return -1; - - txd.txd1 = mapped_addr; - txd.txd2 = TX_DMA_PLEN0(skb_headlen(skb)); - - tx_buf->flags |= MTK_TX_FLAGS_SINGLE0; - dma_unmap_addr_set(tx_buf, dma_addr0, mapped_addr); - dma_unmap_len_set(tx_buf, dma_len0, skb_headlen(skb)); - - /* TX SG offload */ - j = ring->tx_next_idx; - k = 0; - for (i = 0; i < nr_frags; i++) { - offset = 0; - frag = &skb_shinfo(skb)->frags[i]; - frag_size = skb_frag_size(frag); - - while (frag_size > 0) { - frag_map_size = min(frag_size, TX_DMA_BUF_LEN); - mapped_addr = skb_frag_dma_map(&dev->dev, frag, offset, - frag_map_size, - DMA_TO_DEVICE); - if (unlikely(dma_mapping_error(&dev->dev, mapped_addr))) - goto err_dma; - - if (k & 0x1) { - j = NEXT_TX_DESP_IDX(j); - txd.txd1 = mapped_addr; - txd.txd2 = TX_DMA_PLEN0(frag_map_size); - txd.txd4 = def_txd4; - - tx_buf = &ring->tx_buf[j]; - memset(tx_buf, 0, sizeof(*tx_buf)); - - tx_buf->flags |= MTK_TX_FLAGS_PAGE0; - dma_unmap_addr_set(tx_buf, dma_addr0, - mapped_addr); - dma_unmap_len_set(tx_buf, dma_len0, - frag_map_size); - } else { - txd.txd3 = mapped_addr; - txd.txd2 |= TX_DMA_PLEN1(frag_map_size); - - tx_buf->skb = (struct sk_buff *)DMA_DUMMY_DESC; - tx_buf->flags |= MTK_TX_FLAGS_PAGE1; - dma_unmap_addr_set(tx_buf, dma_addr1, - mapped_addr); - dma_unmap_len_set(tx_buf, dma_len1, - frag_map_size); - - if (!((i == (nr_frags - 1)) && - (frag_map_size == frag_size))) { - mtk_set_txd_pdma(&txd, - &ring->tx_dma[j]); - memset(&txd, 0, sizeof(txd)); - } - } - frag_size -= frag_map_size; - offset += frag_map_size; - k++; - } - } - - /* set last segment */ - if (k & 0x1) - txd.txd2 |= TX_DMA_LS1; - else - txd.txd2 |= TX_DMA_LS0; - mtk_set_txd_pdma(&txd, &ring->tx_dma[j]); - - /* store skb to cleanup */ - tx_buf->skb = skb; - - netdev_sent_queue(dev, skb->len); - skb_tx_timestamp(skb); - - ring->tx_next_idx = NEXT_TX_DESP_IDX(j); - /* make sure that all changes to the dma ring are flushed before we - * continue - */ - wmb(); - atomic_set(&ring->tx_free_count, mtk_pdma_empty_txd(ring)); - - if (netif_xmit_stopped(netdev_get_tx_queue(dev, 0)) || !skb->xmit_more) - mtk_reg_w32(eth, ring->tx_next_idx, MTK_REG_TX_CTX_IDX0); - - return 0; - -err_dma: - j = ring->tx_next_idx; - for (i = 0; i < tx_num; i++) { - ptxd = &ring->tx_dma[j]; - tx_buf = &ring->tx_buf[j]; - - /* unmap dma */ - mtk_txd_unmap(&dev->dev, tx_buf); - - ptxd->txd2 = TX_DMA_DESP2_DEF; - j = NEXT_TX_DESP_IDX(j); - } - /* make sure that all changes to the dma ring are flushed before we - * continue - */ - wmb(); - return -1; -} - -/* the qdma core needs scratch memory to be setup */ -static int mtk_init_fq_dma(struct mtk_eth *eth) -{ - dma_addr_t dma_addr, phy_ring_head, phy_ring_tail; - int cnt = eth->soc->dma_ring_size; - int i; - - eth->scratch_ring = dma_alloc_coherent(eth->dev, - cnt * sizeof(struct mtk_tx_dma), - &phy_ring_head, - GFP_ATOMIC | __GFP_ZERO); - if (unlikely(!eth->scratch_ring)) - return -ENOMEM; - - eth->scratch_head = kcalloc(cnt, QDMA_PAGE_SIZE, - GFP_KERNEL); - dma_addr = dma_map_single(eth->dev, - eth->scratch_head, cnt * QDMA_PAGE_SIZE, - DMA_FROM_DEVICE); - if (unlikely(dma_mapping_error(eth->dev, dma_addr))) - return -ENOMEM; - - memset(eth->scratch_ring, 0x0, sizeof(struct mtk_tx_dma) * cnt); - phy_ring_tail = phy_ring_head + (sizeof(struct mtk_tx_dma) * (cnt - 1)); - - for (i = 0; i < cnt; i++) { - eth->scratch_ring[i].txd1 = (dma_addr + (i * QDMA_PAGE_SIZE)); - if (i < cnt - 1) - eth->scratch_ring[i].txd2 = (phy_ring_head + - ((i + 1) * sizeof(struct mtk_tx_dma))); - eth->scratch_ring[i].txd3 = TX_QDMA_SDL(QDMA_PAGE_SIZE); - } - - mtk_w32(eth, phy_ring_head, MTK_QDMA_FQ_HEAD); - mtk_w32(eth, phy_ring_tail, MTK_QDMA_FQ_TAIL); - mtk_w32(eth, (cnt << 16) | cnt, MTK_QDMA_FQ_CNT); - mtk_w32(eth, QDMA_PAGE_SIZE << 16, MTK_QDMA_FQ_BLEN); - - return 0; -} - -static void *mtk_qdma_phys_to_virt(struct mtk_tx_ring *ring, u32 desc) -{ - void *ret = ring->tx_dma; - - return ret + (desc - ring->tx_phys); -} - -static struct mtk_tx_dma *mtk_tx_next_qdma(struct mtk_tx_ring *ring, - struct mtk_tx_dma *txd) -{ - return mtk_qdma_phys_to_virt(ring, txd->txd2); -} - -static struct mtk_tx_buf *mtk_desc_to_tx_buf(struct mtk_tx_ring *ring, - struct mtk_tx_dma *txd) -{ - int idx = txd - ring->tx_dma; - - return &ring->tx_buf[idx]; -} - -static int mtk_qdma_tx_map(struct sk_buff *skb, struct net_device *dev, - int tx_num, struct mtk_tx_ring *ring, bool gso) -{ - struct mtk_mac *mac = netdev_priv(dev); - struct mtk_eth *eth = mac->hw; - struct mtk_tx_dma *itxd, *txd; - struct mtk_tx_buf *tx_buf; - dma_addr_t mapped_addr; - unsigned int nr_frags; - int i, n_desc = 1; - u32 txd4 = eth->soc->txd4; - - itxd = ring->tx_next_free; - if (itxd == ring->tx_last_free) - return -ENOMEM; - - if (eth->soc->mac_count > 1) - txd4 |= (mac->id + 1) << TX_DMA_FPORT_SHIFT; - - tx_buf = mtk_desc_to_tx_buf(ring, itxd); - memset(tx_buf, 0, sizeof(*tx_buf)); - - if (gso) - txd4 |= TX_DMA_TSO; - - /* TX Checksum offload */ - if (skb->ip_summed == CHECKSUM_PARTIAL) - txd4 |= TX_DMA_CHKSUM; - - /* VLAN header offload */ - if (skb_vlan_tag_present(skb)) - txd4 |= TX_DMA_INS_VLAN_MT7621 | skb_vlan_tag_get(skb); - - mapped_addr = dma_map_single(&dev->dev, skb->data, - skb_headlen(skb), DMA_TO_DEVICE); - if (unlikely(dma_mapping_error(&dev->dev, mapped_addr))) - return -ENOMEM; - - WRITE_ONCE(itxd->txd1, mapped_addr); - tx_buf->flags |= MTK_TX_FLAGS_SINGLE0; - dma_unmap_addr_set(tx_buf, dma_addr0, mapped_addr); - dma_unmap_len_set(tx_buf, dma_len0, skb_headlen(skb)); - - /* TX SG offload */ - txd = itxd; - nr_frags = skb_shinfo(skb)->nr_frags; - for (i = 0; i < nr_frags; i++) { - struct skb_frag_struct *frag = &skb_shinfo(skb)->frags[i]; - unsigned int offset = 0; - int frag_size = skb_frag_size(frag); - - while (frag_size) { - bool last_frag = false; - unsigned int frag_map_size; - - txd = mtk_tx_next_qdma(ring, txd); - if (txd == ring->tx_last_free) - goto err_dma; - - n_desc++; - frag_map_size = min(frag_size, TX_DMA_BUF_LEN); - mapped_addr = skb_frag_dma_map(&dev->dev, frag, offset, - frag_map_size, - DMA_TO_DEVICE); - if (unlikely(dma_mapping_error(&dev->dev, mapped_addr))) - goto err_dma; - - if (i == nr_frags - 1 && - (frag_size - frag_map_size) == 0) - last_frag = true; - - WRITE_ONCE(txd->txd1, mapped_addr); - WRITE_ONCE(txd->txd3, (QDMA_TX_SWC | - TX_DMA_PLEN0(frag_map_size) | - last_frag * TX_DMA_LS0) | - mac->id); - WRITE_ONCE(txd->txd4, 0); - - tx_buf->skb = (struct sk_buff *)DMA_DUMMY_DESC; - tx_buf = mtk_desc_to_tx_buf(ring, txd); - memset(tx_buf, 0, sizeof(*tx_buf)); - - tx_buf->flags |= MTK_TX_FLAGS_PAGE0; - dma_unmap_addr_set(tx_buf, dma_addr0, mapped_addr); - dma_unmap_len_set(tx_buf, dma_len0, frag_map_size); - frag_size -= frag_map_size; - offset += frag_map_size; - } - } - - /* store skb to cleanup */ - tx_buf->skb = skb; - - WRITE_ONCE(itxd->txd4, txd4); - WRITE_ONCE(itxd->txd3, (QDMA_TX_SWC | TX_DMA_PLEN0(skb_headlen(skb)) | - (!nr_frags * TX_DMA_LS0))); - - netdev_sent_queue(dev, skb->len); - skb_tx_timestamp(skb); - - ring->tx_next_free = mtk_tx_next_qdma(ring, txd); - atomic_sub(n_desc, &ring->tx_free_count); - - /* make sure that all changes to the dma ring are flushed before we - * continue - */ - wmb(); - - if (netif_xmit_stopped(netdev_get_tx_queue(dev, 0)) || !skb->xmit_more) - mtk_w32(eth, txd->txd2, MTK_QTX_CTX_PTR); - - return 0; - -err_dma: - do { - tx_buf = mtk_desc_to_tx_buf(ring, txd); - - /* unmap dma */ - mtk_txd_unmap(&dev->dev, tx_buf); - - itxd->txd3 = TX_DMA_DESP2_DEF; - itxd = mtk_tx_next_qdma(ring, itxd); - } while (itxd != txd); - - return -ENOMEM; -} - -static inline int mtk_cal_txd_req(struct sk_buff *skb) -{ - int i, nfrags; - struct skb_frag_struct *frag; - - nfrags = 1; - if (skb_is_gso(skb)) { - for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) { - frag = &skb_shinfo(skb)->frags[i]; - nfrags += DIV_ROUND_UP(frag->size, TX_DMA_BUF_LEN); - } - } else { - nfrags += skb_shinfo(skb)->nr_frags; - } - - return DIV_ROUND_UP(nfrags, 2); -} - -static int mtk_start_xmit(struct sk_buff *skb, struct net_device *dev) -{ - struct mtk_mac *mac = netdev_priv(dev); - struct mtk_eth *eth = mac->hw; - struct mtk_tx_ring *ring = ð->tx_ring; - struct net_device_stats *stats = &dev->stats; - int tx_num; - int len = skb->len; - bool gso = false; - - tx_num = mtk_cal_txd_req(skb); - if (unlikely(atomic_read(&ring->tx_free_count) <= tx_num)) { - netif_stop_queue(dev); - netif_err(eth, tx_queued, dev, - "Tx Ring full when queue awake!\n"); - return NETDEV_TX_BUSY; - } - - /* TSO: fill MSS info in tcp checksum field */ - if (skb_is_gso(skb)) { - if (skb_cow_head(skb, 0)) { - netif_warn(eth, tx_err, dev, - "GSO expand head fail.\n"); - goto drop; - } - - if (skb_shinfo(skb)->gso_type & - (SKB_GSO_TCPV4 | SKB_GSO_TCPV6)) { - gso = true; - tcp_hdr(skb)->check = htons(skb_shinfo(skb)->gso_size); - } - } - - if (ring->tx_map(skb, dev, tx_num, ring, gso) < 0) - goto drop; - - stats->tx_packets++; - stats->tx_bytes += len; - - if (unlikely(atomic_read(&ring->tx_free_count) <= ring->tx_thresh)) { - netif_stop_queue(dev); - smp_mb(); - if (unlikely(atomic_read(&ring->tx_free_count) > - ring->tx_thresh)) - netif_wake_queue(dev); - } - - return NETDEV_TX_OK; - -drop: - stats->tx_dropped++; - dev_kfree_skb(skb); - return NETDEV_TX_OK; -} - -static int mtk_poll_rx(struct napi_struct *napi, int budget, - struct mtk_eth *eth, u32 rx_intr) -{ - struct mtk_soc_data *soc = eth->soc; - struct mtk_rx_ring *ring = ð->rx_ring[0]; - int idx = ring->rx_calc_idx; - u32 checksum_bit; - struct sk_buff *skb; - u8 *data, *new_data; - struct mtk_rx_dma *rxd, trxd; - int done = 0, pad; - - if (eth->soc->hw_features & NETIF_F_RXCSUM) - checksum_bit = soc->checksum_bit; - else - checksum_bit = 0; - - if (eth->soc->rx_2b_offset) - pad = 0; - else - pad = NET_IP_ALIGN; - - while (done < budget) { - struct net_device *netdev; - unsigned int pktlen; - dma_addr_t dma_addr; - int mac = 0; - - idx = NEXT_RX_DESP_IDX(idx); - rxd = &ring->rx_dma[idx]; - data = ring->rx_data[idx]; - - mtk_get_rxd(&trxd, rxd); - if (!(trxd.rxd2 & RX_DMA_DONE)) - break; - - /* find out which mac the packet come from. values start at 1 */ - if (eth->soc->mac_count > 1) { - mac = (trxd.rxd4 >> RX_DMA_FPORT_SHIFT) & - RX_DMA_FPORT_MASK; - mac--; - if (mac < 0 || mac >= eth->soc->mac_count) - goto release_desc; - } - - netdev = eth->netdev[mac]; - - /* alloc new buffer */ - new_data = napi_alloc_frag(ring->frag_size); - if (unlikely(!new_data || !netdev)) { - netdev->stats.rx_dropped++; - goto release_desc; - } - dma_addr = dma_map_single(&netdev->dev, - new_data + NET_SKB_PAD + pad, - ring->rx_buf_size, - DMA_FROM_DEVICE); - if (unlikely(dma_mapping_error(&netdev->dev, dma_addr))) { - skb_free_frag(new_data); - goto release_desc; - } - - /* receive data */ - skb = build_skb(data, ring->frag_size); - if (unlikely(!skb)) { - put_page(virt_to_head_page(new_data)); - goto release_desc; - } - skb_reserve(skb, NET_SKB_PAD + NET_IP_ALIGN); - - dma_unmap_single(&netdev->dev, trxd.rxd1, - ring->rx_buf_size, DMA_FROM_DEVICE); - pktlen = RX_DMA_GET_PLEN0(trxd.rxd2); - skb->dev = netdev; - skb_put(skb, pktlen); - if (trxd.rxd4 & checksum_bit) - skb->ip_summed = CHECKSUM_UNNECESSARY; - else - skb_checksum_none_assert(skb); - skb->protocol = eth_type_trans(skb, netdev); - - netdev->stats.rx_packets++; - netdev->stats.rx_bytes += pktlen; - - if (netdev->features & NETIF_F_HW_VLAN_CTAG_RX && - RX_DMA_VID(trxd.rxd3)) - __vlan_hwaccel_put_tag(skb, htons(ETH_P_8021Q), - RX_DMA_VID(trxd.rxd3)); - napi_gro_receive(napi, skb); - - ring->rx_data[idx] = new_data; - rxd->rxd1 = (unsigned int)dma_addr; - -release_desc: - if (eth->soc->rx_sg_dma) - rxd->rxd2 = RX_DMA_PLEN0(ring->rx_buf_size); - else - rxd->rxd2 = RX_DMA_LSO; - - ring->rx_calc_idx = idx; - /* make sure that all changes to the dma ring are flushed before - * we continue - */ - wmb(); - if (eth->soc->dma_type == MTK_QDMA) - mtk_w32(eth, ring->rx_calc_idx, MTK_QRX_CRX_IDX0); - else - mtk_reg_w32(eth, ring->rx_calc_idx, - MTK_REG_RX_CALC_IDX0); - done++; - } - - if (done < budget) - mtk_irq_ack(eth, rx_intr); - - return done; -} - -static int mtk_pdma_tx_poll(struct mtk_eth *eth, int budget, bool *tx_again) -{ - struct sk_buff *skb; - struct mtk_tx_buf *tx_buf; - int done = 0; - u32 idx, hwidx; - struct mtk_tx_ring *ring = ð->tx_ring; - unsigned int bytes = 0; - - idx = ring->tx_free_idx; - hwidx = mtk_reg_r32(eth, MTK_REG_TX_DTX_IDX0); - - while ((idx != hwidx) && budget) { - tx_buf = &ring->tx_buf[idx]; - skb = tx_buf->skb; - - if (!skb) - break; - - if (skb != (struct sk_buff *)DMA_DUMMY_DESC) { - bytes += skb->len; - done++; - budget--; - } - mtk_txd_unmap(eth->dev, tx_buf); - idx = NEXT_TX_DESP_IDX(idx); - } - ring->tx_free_idx = idx; - atomic_set(&ring->tx_free_count, mtk_pdma_empty_txd(ring)); - - /* read hw index again make sure no new tx packet */ - if (idx != hwidx || idx != mtk_reg_r32(eth, MTK_REG_TX_DTX_IDX0)) - *tx_again = 1; - - if (done) - netdev_completed_queue(*eth->netdev, done, bytes); - - return done; -} - -static int mtk_qdma_tx_poll(struct mtk_eth *eth, int budget, bool *tx_again) -{ - struct mtk_tx_ring *ring = ð->tx_ring; - struct mtk_tx_dma *desc; - struct sk_buff *skb; - struct mtk_tx_buf *tx_buf; - int total = 0, done[MTK_MAX_DEVS]; - unsigned int bytes[MTK_MAX_DEVS]; - u32 cpu, dma; - int i; - - memset(done, 0, sizeof(done)); - memset(bytes, 0, sizeof(bytes)); - - cpu = mtk_r32(eth, MTK_QTX_CRX_PTR); - dma = mtk_r32(eth, MTK_QTX_DRX_PTR); - - desc = mtk_qdma_phys_to_virt(ring, cpu); - - while ((cpu != dma) && budget) { - u32 next_cpu = desc->txd2; - int mac; - - desc = mtk_tx_next_qdma(ring, desc); - if ((desc->txd3 & QDMA_TX_OWNER_CPU) == 0) - break; - - mac = (desc->txd4 >> TX_DMA_FPORT_SHIFT) & - TX_DMA_FPORT_MASK; - mac--; - - tx_buf = mtk_desc_to_tx_buf(ring, desc); - skb = tx_buf->skb; - if (!skb) - break; - - if (skb != (struct sk_buff *)DMA_DUMMY_DESC) { - bytes[mac] += skb->len; - done[mac]++; - budget--; - } - mtk_txd_unmap(eth->dev, tx_buf); - - ring->tx_last_free->txd2 = next_cpu; - ring->tx_last_free = desc; - atomic_inc(&ring->tx_free_count); - - cpu = next_cpu; - } - - mtk_w32(eth, cpu, MTK_QTX_CRX_PTR); - - /* read hw index again make sure no new tx packet */ - if (cpu != dma || cpu != mtk_r32(eth, MTK_QTX_DRX_PTR)) - *tx_again = true; - - for (i = 0; i < eth->soc->mac_count; i++) { - if (!done[i]) - continue; - netdev_completed_queue(eth->netdev[i], done[i], bytes[i]); - total += done[i]; - } - - return total; -} - -static int mtk_poll_tx(struct mtk_eth *eth, int budget, u32 tx_intr, - bool *tx_again) -{ - struct mtk_tx_ring *ring = ð->tx_ring; - struct net_device *netdev = eth->netdev[0]; - int done; - - done = eth->tx_ring.tx_poll(eth, budget, tx_again); - if (!*tx_again) - mtk_irq_ack(eth, tx_intr); - - if (!done) - return 0; - - smp_mb(); - if (unlikely(!netif_queue_stopped(netdev))) - return done; - - if (atomic_read(&ring->tx_free_count) > ring->tx_thresh) - netif_wake_queue(netdev); - - return done; -} - -static void mtk_stats_update(struct mtk_eth *eth) -{ - int i; - - for (i = 0; i < eth->soc->mac_count; i++) { - if (!eth->mac[i] || !eth->mac[i]->hw_stats) - continue; - if (spin_trylock(ð->mac[i]->hw_stats->stats_lock)) { - mtk_stats_update_mac(eth->mac[i]); - spin_unlock(ð->mac[i]->hw_stats->stats_lock); - } - } -} - -static int mtk_poll(struct napi_struct *napi, int budget) -{ - struct mtk_eth *eth = container_of(napi, struct mtk_eth, rx_napi); - u32 status, mtk_status, mask, tx_intr, rx_intr, status_intr; - int tx_done, rx_done; - bool tx_again = false; - - status = mtk_irq_pending(eth); - mtk_status = mtk_irq_pending_status(eth); - tx_intr = eth->soc->tx_int; - rx_intr = eth->soc->rx_int; - status_intr = eth->soc->status_int; - tx_done = 0; - rx_done = 0; - tx_again = 0; - - if (status & tx_intr) - tx_done = mtk_poll_tx(eth, budget, tx_intr, &tx_again); - - if (status & rx_intr) - rx_done = mtk_poll_rx(napi, budget, eth, rx_intr); - - if (unlikely(mtk_status & status_intr)) { - mtk_stats_update(eth); - mtk_irq_ack_status(eth, status_intr); - } - - if (unlikely(netif_msg_intr(eth))) { - mask = mtk_irq_enabled(eth); - netdev_info(eth->netdev[0], - "done tx %d, rx %d, intr 0x%08x/0x%x\n", - tx_done, rx_done, status, mask); - } - - if (tx_again || rx_done == budget) - return budget; - - status = mtk_irq_pending(eth); - if (status & (tx_intr | rx_intr)) - return budget; - - napi_complete(napi); - mtk_irq_enable(eth, tx_intr | rx_intr); - - return rx_done; -} - -static int mtk_pdma_tx_alloc(struct mtk_eth *eth) -{ - int i; - struct mtk_tx_ring *ring = ð->tx_ring; - - ring->tx_ring_size = eth->soc->dma_ring_size; - ring->tx_free_idx = 0; - ring->tx_next_idx = 0; - ring->tx_thresh = max((unsigned long)ring->tx_ring_size >> 2, - MAX_SKB_FRAGS); - - ring->tx_buf = kcalloc(ring->tx_ring_size, sizeof(*ring->tx_buf), - GFP_KERNEL); - if (!ring->tx_buf) - goto no_tx_mem; - - ring->tx_dma = - dma_alloc_coherent(eth->dev, - ring->tx_ring_size * sizeof(*ring->tx_dma), - &ring->tx_phys, GFP_ATOMIC | __GFP_ZERO); - if (!ring->tx_dma) - goto no_tx_mem; - - for (i = 0; i < ring->tx_ring_size; i++) { - ring->tx_dma[i].txd2 = TX_DMA_DESP2_DEF; - ring->tx_dma[i].txd4 = eth->soc->txd4; - } - - atomic_set(&ring->tx_free_count, mtk_pdma_empty_txd(ring)); - ring->tx_map = mtk_pdma_tx_map; - ring->tx_poll = mtk_pdma_tx_poll; - ring->tx_clean = mtk_pdma_tx_clean; - - /* make sure that all changes to the dma ring are flushed before we - * continue - */ - wmb(); - - mtk_reg_w32(eth, ring->tx_phys, MTK_REG_TX_BASE_PTR0); - mtk_reg_w32(eth, ring->tx_ring_size, MTK_REG_TX_MAX_CNT0); - mtk_reg_w32(eth, 0, MTK_REG_TX_CTX_IDX0); - mtk_reg_w32(eth, MTK_PST_DTX_IDX0, MTK_REG_PDMA_RST_CFG); - - return 0; - -no_tx_mem: - return -ENOMEM; -} - -static int mtk_qdma_tx_alloc_tx(struct mtk_eth *eth) -{ - struct mtk_tx_ring *ring = ð->tx_ring; - int i, sz = sizeof(*ring->tx_dma); - - ring->tx_ring_size = eth->soc->dma_ring_size; - ring->tx_buf = kcalloc(ring->tx_ring_size, sizeof(*ring->tx_buf), - GFP_KERNEL); - if (!ring->tx_buf) - goto no_tx_mem; - - ring->tx_dma = dma_alloc_coherent(eth->dev, ring->tx_ring_size * sz, - &ring->tx_phys, - GFP_ATOMIC | __GFP_ZERO); - if (!ring->tx_dma) - goto no_tx_mem; - - for (i = 0; i < ring->tx_ring_size; i++) { - int next = (i + 1) % ring->tx_ring_size; - u32 next_ptr = ring->tx_phys + next * sz; - - ring->tx_dma[i].txd2 = next_ptr; - ring->tx_dma[i].txd3 = TX_DMA_DESP2_DEF; - } - - atomic_set(&ring->tx_free_count, ring->tx_ring_size - 2); - ring->tx_next_free = &ring->tx_dma[0]; - ring->tx_last_free = &ring->tx_dma[ring->tx_ring_size - 2]; - ring->tx_thresh = max((unsigned long)ring->tx_ring_size >> 2, - MAX_SKB_FRAGS); - - ring->tx_map = mtk_qdma_tx_map; - ring->tx_poll = mtk_qdma_tx_poll; - ring->tx_clean = mtk_qdma_tx_clean; - - /* make sure that all changes to the dma ring are flushed before we - * continue - */ - wmb(); - - mtk_w32(eth, ring->tx_phys, MTK_QTX_CTX_PTR); - mtk_w32(eth, ring->tx_phys, MTK_QTX_DTX_PTR); - mtk_w32(eth, - ring->tx_phys + ((ring->tx_ring_size - 1) * sz), - MTK_QTX_CRX_PTR); - mtk_w32(eth, - ring->tx_phys + ((ring->tx_ring_size - 1) * sz), - MTK_QTX_DRX_PTR); - - return 0; - -no_tx_mem: - return -ENOMEM; -} - -static int mtk_qdma_init(struct mtk_eth *eth, int ring) -{ - int err; - - err = mtk_init_fq_dma(eth); - if (err) - return err; - - err = mtk_qdma_tx_alloc_tx(eth); - if (err) - return err; - - err = mtk_dma_rx_alloc(eth, ð->rx_ring[ring]); - if (err) - return err; - - mtk_w32(eth, eth->rx_ring[ring].rx_phys, MTK_QRX_BASE_PTR0); - mtk_w32(eth, eth->rx_ring[ring].rx_ring_size, MTK_QRX_MAX_CNT0); - mtk_w32(eth, eth->rx_ring[ring].rx_calc_idx, MTK_QRX_CRX_IDX0); - mtk_w32(eth, MTK_PST_DRX_IDX0, MTK_QDMA_RST_IDX); - mtk_w32(eth, (QDMA_RES_THRES << 8) | QDMA_RES_THRES, MTK_QTX_CFG(0)); - - /* Enable random early drop and set drop threshold automatically */ - mtk_w32(eth, 0x174444, MTK_QDMA_FC_THRES); - mtk_w32(eth, 0x0, MTK_QDMA_HRED2); - - return 0; -} - -static int mtk_pdma_qdma_init(struct mtk_eth *eth) -{ - int err = mtk_qdma_init(eth, 1); - - if (err) - return err; - - err = mtk_dma_rx_alloc(eth, ð->rx_ring[0]); - if (err) - return err; - - mtk_reg_w32(eth, eth->rx_ring[0].rx_phys, MTK_REG_RX_BASE_PTR0); - mtk_reg_w32(eth, eth->rx_ring[0].rx_ring_size, MTK_REG_RX_MAX_CNT0); - mtk_reg_w32(eth, eth->rx_ring[0].rx_calc_idx, MTK_REG_RX_CALC_IDX0); - mtk_reg_w32(eth, MTK_PST_DRX_IDX0, MTK_REG_PDMA_RST_CFG); - - return 0; -} - -static int mtk_pdma_init(struct mtk_eth *eth) -{ - struct mtk_rx_ring *ring = ð->rx_ring[0]; - int err; - - err = mtk_pdma_tx_alloc(eth); - if (err) - return err; - - err = mtk_dma_rx_alloc(eth, ring); - if (err) - return err; - - mtk_reg_w32(eth, ring->rx_phys, MTK_REG_RX_BASE_PTR0); - mtk_reg_w32(eth, ring->rx_ring_size, MTK_REG_RX_MAX_CNT0); - mtk_reg_w32(eth, ring->rx_calc_idx, MTK_REG_RX_CALC_IDX0); - mtk_reg_w32(eth, MTK_PST_DRX_IDX0, MTK_REG_PDMA_RST_CFG); - - return 0; -} - -static void mtk_dma_free(struct mtk_eth *eth) -{ - int i; - - for (i = 0; i < eth->soc->mac_count; i++) - if (eth->netdev[i]) - netdev_reset_queue(eth->netdev[i]); - eth->tx_ring.tx_clean(eth); - mtk_clean_rx(eth, ð->rx_ring[0]); - mtk_clean_rx(eth, ð->rx_ring[1]); - kfree(eth->scratch_head); -} - -static void mtk_tx_timeout(struct net_device *dev) -{ - struct mtk_mac *mac = netdev_priv(dev); - struct mtk_eth *eth = mac->hw; - struct mtk_tx_ring *ring = ð->tx_ring; - - eth->netdev[mac->id]->stats.tx_errors++; - netif_err(eth, tx_err, dev, - "transmit timed out\n"); - if (eth->soc->dma_type & MTK_PDMA) { - netif_info(eth, drv, dev, "pdma_cfg:%08x\n", - mtk_reg_r32(eth, MTK_REG_PDMA_GLO_CFG)); - netif_info(eth, drv, dev, - "tx_ring=%d, base=%08x, max=%u, ctx=%u, dtx=%u, fdx=%hu, next=%hu\n", - 0, mtk_reg_r32(eth, MTK_REG_TX_BASE_PTR0), - mtk_reg_r32(eth, MTK_REG_TX_MAX_CNT0), - mtk_reg_r32(eth, MTK_REG_TX_CTX_IDX0), - mtk_reg_r32(eth, MTK_REG_TX_DTX_IDX0), - ring->tx_free_idx, - ring->tx_next_idx); - } - if (eth->soc->dma_type & MTK_QDMA) { - netif_info(eth, drv, dev, "qdma_cfg:%08x\n", - mtk_r32(eth, MTK_QDMA_GLO_CFG)); - netif_info(eth, drv, dev, - "tx_ring=%d, ctx=%08x, dtx=%08x, crx=%08x, drx=%08x, free=%hu\n", - 0, mtk_r32(eth, MTK_QTX_CTX_PTR), - mtk_r32(eth, MTK_QTX_DTX_PTR), - mtk_r32(eth, MTK_QTX_CRX_PTR), - mtk_r32(eth, MTK_QTX_DRX_PTR), - atomic_read(&ring->tx_free_count)); - } - netif_info(eth, drv, dev, - "rx_ring=%d, base=%08x, max=%u, calc=%u, drx=%u\n", - 0, mtk_reg_r32(eth, MTK_REG_RX_BASE_PTR0), - mtk_reg_r32(eth, MTK_REG_RX_MAX_CNT0), - mtk_reg_r32(eth, MTK_REG_RX_CALC_IDX0), - mtk_reg_r32(eth, MTK_REG_RX_DRX_IDX0)); - - schedule_work(&mac->pending_work); -} - -static irqreturn_t mtk_handle_irq(int irq, void *_eth) -{ - struct mtk_eth *eth = _eth; - u32 status, int_mask; - - status = mtk_irq_pending(eth); - if (unlikely(!status)) - return IRQ_NONE; - - int_mask = (eth->soc->rx_int | eth->soc->tx_int); - if (likely(status & int_mask)) { - if (likely(napi_schedule_prep(ð->rx_napi))) - __napi_schedule(ð->rx_napi); - } else { - mtk_irq_ack(eth, status); - } - mtk_irq_disable(eth, int_mask); - - return IRQ_HANDLED; -} - -#ifdef CONFIG_NET_POLL_CONTROLLER -static void mtk_poll_controller(struct net_device *dev) -{ - struct mtk_mac *mac = netdev_priv(dev); - struct mtk_eth *eth = mac->hw; - u32 int_mask = eth->soc->tx_int | eth->soc->rx_int; - - mtk_irq_disable(eth, int_mask); - mtk_handle_irq(dev->irq, dev); - mtk_irq_enable(eth, int_mask); -} -#endif - -int mtk_set_clock_cycle(struct mtk_eth *eth) -{ - unsigned long sysclk = eth->sysclk; - - sysclk /= MTK_US_CYC_CNT_DIVISOR; - sysclk <<= MTK_US_CYC_CNT_SHIFT; - - mtk_w32(eth, (mtk_r32(eth, MTK_GLO_CFG) & - ~(MTK_US_CYC_CNT_MASK << MTK_US_CYC_CNT_SHIFT)) | - sysclk, - MTK_GLO_CFG); - return 0; -} - -void mtk_fwd_config(struct mtk_eth *eth) -{ - u32 fwd_cfg; - - fwd_cfg = mtk_r32(eth, MTK_GDMA1_FWD_CFG); - - /* disable jumbo frame */ - if (eth->soc->jumbo_frame) - fwd_cfg &= ~MTK_GDM1_JMB_EN; - - /* set unicast/multicast/broadcast frame to cpu */ - fwd_cfg &= ~0xffff; - - mtk_w32(eth, fwd_cfg, MTK_GDMA1_FWD_CFG); -} - -void mtk_csum_config(struct mtk_eth *eth) -{ - if (eth->soc->hw_features & NETIF_F_RXCSUM) - mtk_w32(eth, mtk_r32(eth, MTK_GDMA1_FWD_CFG) | - (MTK_GDM1_ICS_EN | MTK_GDM1_TCS_EN | MTK_GDM1_UCS_EN), - MTK_GDMA1_FWD_CFG); - else - mtk_w32(eth, mtk_r32(eth, MTK_GDMA1_FWD_CFG) & - ~(MTK_GDM1_ICS_EN | MTK_GDM1_TCS_EN | MTK_GDM1_UCS_EN), - MTK_GDMA1_FWD_CFG); - if (eth->soc->hw_features & NETIF_F_IP_CSUM) - mtk_w32(eth, mtk_r32(eth, MTK_CDMA_CSG_CFG) | - (MTK_ICS_GEN_EN | MTK_TCS_GEN_EN | MTK_UCS_GEN_EN), - MTK_CDMA_CSG_CFG); - else - mtk_w32(eth, mtk_r32(eth, MTK_CDMA_CSG_CFG) & - ~(MTK_ICS_GEN_EN | MTK_TCS_GEN_EN | MTK_UCS_GEN_EN), - MTK_CDMA_CSG_CFG); -} - -static int mtk_start_dma(struct mtk_eth *eth) -{ - unsigned long flags; - u32 val; - int err; - - if (eth->soc->dma_type == MTK_PDMA) - err = mtk_pdma_init(eth); - else if (eth->soc->dma_type == MTK_QDMA) - err = mtk_qdma_init(eth, 0); - else - err = mtk_pdma_qdma_init(eth); - if (err) { - mtk_dma_free(eth); - return err; - } - - spin_lock_irqsave(ð->page_lock, flags); - - val = MTK_TX_WB_DDONE | MTK_RX_DMA_EN | MTK_TX_DMA_EN; - if (eth->soc->rx_2b_offset) - val |= MTK_RX_2B_OFFSET; - val |= eth->soc->pdma_glo_cfg; - - if (eth->soc->dma_type & MTK_PDMA) - mtk_reg_w32(eth, val, MTK_REG_PDMA_GLO_CFG); - - if (eth->soc->dma_type & MTK_QDMA) - mtk_w32(eth, val, MTK_QDMA_GLO_CFG); - - spin_unlock_irqrestore(ð->page_lock, flags); - - return 0; -} - -static int mtk_open(struct net_device *dev) -{ - struct mtk_mac *mac = netdev_priv(dev); - struct mtk_eth *eth = mac->hw; - - dma_coerce_mask_and_coherent(&dev->dev, DMA_BIT_MASK(32)); - - if (!atomic_read(ð->dma_refcnt)) { - int err = mtk_start_dma(eth); - - if (err) - return err; - - napi_enable(ð->rx_napi); - mtk_irq_enable(eth, eth->soc->tx_int | eth->soc->rx_int); - } - atomic_inc(ð->dma_refcnt); - - if (eth->phy) - eth->phy->start(mac); - - if (eth->soc->has_carrier && eth->soc->has_carrier(eth)) - netif_carrier_on(dev); - - netif_start_queue(dev); - eth->soc->fwd_config(eth); - - return 0; -} - -static void mtk_stop_dma(struct mtk_eth *eth, u32 glo_cfg) -{ - unsigned long flags; - u32 val; - int i; - - /* stop the dma enfine */ - spin_lock_irqsave(ð->page_lock, flags); - val = mtk_r32(eth, glo_cfg); - mtk_w32(eth, val & ~(MTK_TX_WB_DDONE | MTK_RX_DMA_EN | MTK_TX_DMA_EN), - glo_cfg); - spin_unlock_irqrestore(ð->page_lock, flags); - - /* wait for dma stop */ - for (i = 0; i < 10; i++) { - val = mtk_r32(eth, glo_cfg); - if (val & (MTK_TX_DMA_BUSY | MTK_RX_DMA_BUSY)) { - msleep(20); - continue; - } - break; - } -} - -static int mtk_stop(struct net_device *dev) -{ - struct mtk_mac *mac = netdev_priv(dev); - struct mtk_eth *eth = mac->hw; - - netif_tx_disable(dev); - if (eth->phy) - eth->phy->stop(mac); - - if (!atomic_dec_and_test(ð->dma_refcnt)) - return 0; - - mtk_irq_disable(eth, eth->soc->tx_int | eth->soc->rx_int); - napi_disable(ð->rx_napi); - - if (eth->soc->dma_type & MTK_PDMA) - mtk_stop_dma(eth, mtk_reg_table[MTK_REG_PDMA_GLO_CFG]); - - if (eth->soc->dma_type & MTK_QDMA) - mtk_stop_dma(eth, MTK_QDMA_GLO_CFG); - - mtk_dma_free(eth); - - return 0; -} - -static int __init mtk_init_hw(struct mtk_eth *eth) -{ - int i, err; - - eth->soc->reset_fe(eth); - - if (eth->soc->switch_init) - if (eth->soc->switch_init(eth)) { - dev_err(eth->dev, "failed to initialize switch core\n"); - return -ENODEV; - } - - err = devm_request_irq(eth->dev, eth->irq, mtk_handle_irq, 0, - dev_name(eth->dev), eth); - if (err) - return err; - - err = mtk_mdio_init(eth); - if (err) - return err; - - /* disable delay and normal interrupt */ - mtk_reg_w32(eth, 0, MTK_REG_DLY_INT_CFG); - if (eth->soc->dma_type & MTK_QDMA) - mtk_w32(eth, 0, MTK_QDMA_DELAY_INT); - mtk_irq_disable(eth, eth->soc->tx_int | eth->soc->rx_int); - - /* frame engine will push VLAN tag regarding to VIDX field in Tx desc */ - if (mtk_reg_table[MTK_REG_MTK_DMA_VID_BASE]) - for (i = 0; i < 16; i += 2) - mtk_w32(eth, ((i + 1) << 16) + i, - mtk_reg_table[MTK_REG_MTK_DMA_VID_BASE] + - (i * 2)); - - if (eth->soc->fwd_config(eth)) - dev_err(eth->dev, "unable to get clock\n"); - - if (mtk_reg_table[MTK_REG_MTK_RST_GL]) { - mtk_reg_w32(eth, 1, MTK_REG_MTK_RST_GL); - mtk_reg_w32(eth, 0, MTK_REG_MTK_RST_GL); - } - - return 0; -} - -static int __init mtk_init(struct net_device *dev) -{ - struct mtk_mac *mac = netdev_priv(dev); - struct mtk_eth *eth = mac->hw; - struct device_node *port; - const char *mac_addr; - int err; - - mac_addr = of_get_mac_address(mac->of_node); - if (mac_addr) - ether_addr_copy(dev->dev_addr, mac_addr); - - /* If the mac address is invalid, use random mac address */ - if (!is_valid_ether_addr(dev->dev_addr)) { - eth_hw_addr_random(dev); - dev_err(eth->dev, "generated random MAC address %pM\n", - dev->dev_addr); - } - mac->hw->soc->set_mac(mac, dev->dev_addr); - - if (eth->soc->port_init) - for_each_child_of_node(mac->of_node, port) - if (of_device_is_compatible(port, - "mediatek,eth-port") && - of_device_is_available(port)) - eth->soc->port_init(eth, mac, port); - - if (eth->phy) { - err = eth->phy->connect(mac); - if (err) - return err; - } - - return 0; -} - -static void mtk_uninit(struct net_device *dev) -{ - struct mtk_mac *mac = netdev_priv(dev); - struct mtk_eth *eth = mac->hw; - - if (eth->phy) - eth->phy->disconnect(mac); - mtk_mdio_cleanup(eth); - - mtk_irq_disable(eth, ~0); - free_irq(dev->irq, dev); -} - -static int mtk_do_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) -{ - struct mtk_mac *mac = netdev_priv(dev); - - if (!mac->phy_dev) - return -ENODEV; - - switch (cmd) { - case SIOCGMIIPHY: - case SIOCGMIIREG: - case SIOCSMIIREG: - return phy_mii_ioctl(mac->phy_dev, ifr, cmd); - default: - break; - } - - return -EOPNOTSUPP; -} - -static int mtk_change_mtu(struct net_device *dev, int new_mtu) -{ - struct mtk_mac *mac = netdev_priv(dev); - struct mtk_eth *eth = mac->hw; - int frag_size, old_mtu; - u32 fwd_cfg; - - if (!eth->soc->jumbo_frame) - return eth_change_mtu(dev, new_mtu); - - frag_size = mtk_max_frag_size(new_mtu); - if (new_mtu < 68 || frag_size > PAGE_SIZE) - return -EINVAL; - - old_mtu = dev->mtu; - dev->mtu = new_mtu; - - /* return early if the buffer sizes will not change */ - if (old_mtu <= ETH_DATA_LEN && new_mtu <= ETH_DATA_LEN) - return 0; - if (old_mtu > ETH_DATA_LEN && new_mtu > ETH_DATA_LEN) - return 0; - - if (new_mtu <= ETH_DATA_LEN) - eth->rx_ring[0].frag_size = mtk_max_frag_size(ETH_DATA_LEN); - else - eth->rx_ring[0].frag_size = PAGE_SIZE; - eth->rx_ring[0].rx_buf_size = - mtk_max_buf_size(eth->rx_ring[0].frag_size); - - if (!netif_running(dev)) - return 0; - - mtk_stop(dev); - fwd_cfg = mtk_r32(eth, MTK_GDMA1_FWD_CFG); - if (new_mtu <= ETH_DATA_LEN) { - fwd_cfg &= ~MTK_GDM1_JMB_EN; - } else { - fwd_cfg &= ~(MTK_GDM1_JMB_LEN_MASK << MTK_GDM1_JMB_LEN_SHIFT); - fwd_cfg |= (DIV_ROUND_UP(frag_size, 1024) << - MTK_GDM1_JMB_LEN_SHIFT) | MTK_GDM1_JMB_EN; - } - mtk_w32(eth, fwd_cfg, MTK_GDMA1_FWD_CFG); - - return mtk_open(dev); -} - -static void mtk_pending_work(struct work_struct *work) -{ - struct mtk_mac *mac = container_of(work, struct mtk_mac, pending_work); - struct mtk_eth *eth = mac->hw; - struct net_device *dev = eth->netdev[mac->id]; - int err; - - rtnl_lock(); - mtk_stop(dev); - - err = mtk_open(dev); - if (err) { - netif_alert(eth, ifup, dev, - "Driver up/down cycle failed, closing device.\n"); - dev_close(dev); - } - rtnl_unlock(); -} - -static int mtk_cleanup(struct mtk_eth *eth) -{ - int i; - - for (i = 0; i < eth->soc->mac_count; i++) { - struct mtk_mac *mac = netdev_priv(eth->netdev[i]); - - if (!eth->netdev[i]) - continue; - - unregister_netdev(eth->netdev[i]); - free_netdev(eth->netdev[i]); - cancel_work_sync(&mac->pending_work); - } - - return 0; -} - -static const struct net_device_ops mtk_netdev_ops = { - .ndo_init = mtk_init, - .ndo_uninit = mtk_uninit, - .ndo_open = mtk_open, - .ndo_stop = mtk_stop, - .ndo_start_xmit = mtk_start_xmit, - .ndo_set_mac_address = mtk_set_mac_address, - .ndo_validate_addr = eth_validate_addr, - .ndo_do_ioctl = mtk_do_ioctl, - .ndo_change_mtu = mtk_change_mtu, - .ndo_tx_timeout = mtk_tx_timeout, - .ndo_get_stats64 = mtk_get_stats64, - .ndo_vlan_rx_add_vid = mtk_vlan_rx_add_vid, - .ndo_vlan_rx_kill_vid = mtk_vlan_rx_kill_vid, -#ifdef CONFIG_NET_POLL_CONTROLLER - .ndo_poll_controller = mtk_poll_controller, -#endif -}; - -static int mtk_add_mac(struct mtk_eth *eth, struct device_node *np) -{ - struct mtk_mac *mac; - const __be32 *_id = of_get_property(np, "reg", NULL); - int id, err; - - if (!_id) { - dev_err(eth->dev, "missing mac id\n"); - return -EINVAL; - } - id = be32_to_cpup(_id); - if (id >= eth->soc->mac_count || eth->netdev[id]) { - dev_err(eth->dev, "%d is not a valid mac id\n", id); - return -EINVAL; - } - - eth->netdev[id] = alloc_etherdev(sizeof(*mac)); - if (!eth->netdev[id]) { - dev_err(eth->dev, "alloc_etherdev failed\n"); - return -ENOMEM; - } - mac = netdev_priv(eth->netdev[id]); - eth->mac[id] = mac; - mac->id = id; - mac->hw = eth; - mac->of_node = np; - INIT_WORK(&mac->pending_work, mtk_pending_work); - - if (mtk_reg_table[MTK_REG_MTK_COUNTER_BASE]) { - mac->hw_stats = devm_kzalloc(eth->dev, - sizeof(*mac->hw_stats), - GFP_KERNEL); - if (!mac->hw_stats) { - err = -ENOMEM; - goto free_netdev; - } - spin_lock_init(&mac->hw_stats->stats_lock); - mac->hw_stats->reg_offset = id * MTK_STAT_OFFSET; - } - - SET_NETDEV_DEV(eth->netdev[id], eth->dev); - eth->netdev[id]->netdev_ops = &mtk_netdev_ops; - eth->netdev[id]->base_addr = (unsigned long)eth->base; - - if (eth->soc->init_data) - eth->soc->init_data(eth->soc, eth->netdev[id]); - - eth->netdev[id]->vlan_features = eth->soc->hw_features & - ~(NETIF_F_HW_VLAN_CTAG_TX | NETIF_F_HW_VLAN_CTAG_RX); - eth->netdev[id]->features |= eth->soc->hw_features; - - if (mtk_reg_table[MTK_REG_MTK_DMA_VID_BASE]) - eth->netdev[id]->features |= NETIF_F_HW_VLAN_CTAG_FILTER; - - mtk_set_ethtool_ops(eth->netdev[id]); - - err = register_netdev(eth->netdev[id]); - if (err) { - dev_err(eth->dev, "error bringing up device\n"); - err = -ENOMEM; - goto free_netdev; - } - eth->netdev[id]->irq = eth->irq; - netif_info(eth, probe, eth->netdev[id], - "mediatek frame engine at 0x%08lx, irq %d\n", - eth->netdev[id]->base_addr, eth->netdev[id]->irq); - - return 0; - -free_netdev: - free_netdev(eth->netdev[id]); - return err; -} - -static int mtk_probe(struct platform_device *pdev) -{ - struct resource *res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - const struct of_device_id *match; - struct device_node *mac_np; - struct mtk_soc_data *soc; - struct mtk_eth *eth; - struct clk *sysclk; - int err; - - device_reset(&pdev->dev); - - match = of_match_device(of_mtk_match, &pdev->dev); - soc = (struct mtk_soc_data *)match->data; - - if (soc->reg_table) - mtk_reg_table = soc->reg_table; - - eth = devm_kzalloc(&pdev->dev, sizeof(*eth), GFP_KERNEL); - if (!eth) - return -ENOMEM; - - eth->base = devm_ioremap_resource(&pdev->dev, res); - if (IS_ERR(eth->base)) - return PTR_ERR(eth->base); - - spin_lock_init(ð->page_lock); - - eth->ethsys = syscon_regmap_lookup_by_phandle(pdev->dev.of_node, - "mediatek,ethsys"); - if (IS_ERR(eth->ethsys)) - return PTR_ERR(eth->ethsys); - - eth->irq = platform_get_irq(pdev, 0); - if (eth->irq < 0) { - dev_err(&pdev->dev, "no IRQ resource found\n"); - return -ENXIO; - } - - sysclk = devm_clk_get(&pdev->dev, NULL); - if (IS_ERR(sysclk)) { - dev_err(&pdev->dev, - "the clock is not defined in the devicetree\n"); - return -ENXIO; - } - eth->sysclk = clk_get_rate(sysclk); - - eth->switch_np = of_parse_phandle(pdev->dev.of_node, - "mediatek,switch", 0); - if (soc->has_switch && !eth->switch_np) { - dev_err(&pdev->dev, "failed to read switch phandle\n"); - return -ENODEV; - } - - eth->dev = &pdev->dev; - eth->soc = soc; - eth->msg_enable = netif_msg_init(mtk_msg_level, MTK_DEFAULT_MSG_ENABLE); - - err = mtk_init_hw(eth); - if (err) - return err; - - if (eth->soc->mac_count > 1) { - for_each_child_of_node(pdev->dev.of_node, mac_np) { - if (!of_device_is_compatible(mac_np, - "mediatek,eth-mac")) - continue; - - if (!of_device_is_available(mac_np)) - continue; - - err = mtk_add_mac(eth, mac_np); - if (err) - goto err_free_dev; - } - - init_dummy_netdev(ð->dummy_dev); - netif_napi_add(ð->dummy_dev, ð->rx_napi, mtk_poll, - soc->napi_weight); - } else { - err = mtk_add_mac(eth, pdev->dev.of_node); - if (err) - goto err_free_dev; - netif_napi_add(eth->netdev[0], ð->rx_napi, mtk_poll, - soc->napi_weight); - } - - platform_set_drvdata(pdev, eth); - - return 0; - -err_free_dev: - mtk_cleanup(eth); - return err; -} - -static int mtk_remove(struct platform_device *pdev) -{ - struct mtk_eth *eth = platform_get_drvdata(pdev); - - netif_napi_del(ð->rx_napi); - mtk_cleanup(eth); - platform_set_drvdata(pdev, NULL); - - return 0; -} - -static struct platform_driver mtk_driver = { - .probe = mtk_probe, - .remove = mtk_remove, - .driver = { - .name = "mtk_soc_eth", - .of_match_table = of_mtk_match, - }, -}; - -module_platform_driver(mtk_driver); - -MODULE_LICENSE("GPL"); -MODULE_AUTHOR("John Crispin <blogic@openwrt.org>"); -MODULE_DESCRIPTION("Ethernet driver for MediaTek SoC"); diff --git a/drivers/staging/mt7621-eth/mtk_eth_soc.h b/drivers/staging/mt7621-eth/mtk_eth_soc.h deleted file mode 100644 index e6ed80433f49..000000000000 --- a/drivers/staging/mt7621-eth/mtk_eth_soc.h +++ /dev/null @@ -1,716 +0,0 @@ -/* This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; version 2 of the License - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * Copyright (C) 2009-2016 John Crispin <blogic@openwrt.org> - * Copyright (C) 2009-2016 Felix Fietkau <nbd@openwrt.org> - * Copyright (C) 2013-2016 Michael Lee <igvtee@gmail.com> - */ - -#ifndef MTK_ETH_H -#define MTK_ETH_H - -#include <linux/mii.h> -#include <linux/interrupt.h> -#include <linux/netdevice.h> -#include <linux/dma-mapping.h> -#include <linux/phy.h> -#include <linux/ethtool.h> -#include <linux/version.h> -#include <linux/atomic.h> - -/* these registers have different offsets depending on the SoC. we use a lookup - * table for these - */ -enum mtk_reg { - MTK_REG_PDMA_GLO_CFG = 0, - MTK_REG_PDMA_RST_CFG, - MTK_REG_DLY_INT_CFG, - MTK_REG_TX_BASE_PTR0, - MTK_REG_TX_MAX_CNT0, - MTK_REG_TX_CTX_IDX0, - MTK_REG_TX_DTX_IDX0, - MTK_REG_RX_BASE_PTR0, - MTK_REG_RX_MAX_CNT0, - MTK_REG_RX_CALC_IDX0, - MTK_REG_RX_DRX_IDX0, - MTK_REG_MTK_INT_ENABLE, - MTK_REG_MTK_INT_STATUS, - MTK_REG_MTK_DMA_VID_BASE, - MTK_REG_MTK_COUNTER_BASE, - MTK_REG_MTK_RST_GL, - MTK_REG_MTK_INT_STATUS2, - MTK_REG_COUNT -}; - -/* delayed interrupt bits */ -#define MTK_DELAY_EN_INT 0x80 -#define MTK_DELAY_MAX_INT 0x04 -#define MTK_DELAY_MAX_TOUT 0x04 -#define MTK_DELAY_TIME 20 -#define MTK_DELAY_CHAN (((MTK_DELAY_EN_INT | MTK_DELAY_MAX_INT) << 8) \ - | MTK_DELAY_MAX_TOUT) -#define MTK_DELAY_INIT ((MTK_DELAY_CHAN << 16) | MTK_DELAY_CHAN) -#define MTK_PSE_FQFC_CFG_INIT 0x80504000 -#define MTK_PSE_FQFC_CFG_256Q 0xff908000 - -/* interrupt bits */ -#define MTK_CNT_PPE_AF BIT(31) -#define MTK_CNT_GDM_AF BIT(29) -#define MTK_PSE_P2_FC BIT(26) -#define MTK_PSE_BUF_DROP BIT(24) -#define MTK_GDM_OTHER_DROP BIT(23) -#define MTK_PSE_P1_FC BIT(22) -#define MTK_PSE_P0_FC BIT(21) -#define MTK_PSE_FQ_EMPTY BIT(20) -#define MTK_GE1_STA_CHG BIT(18) -#define MTK_TX_COHERENT BIT(17) -#define MTK_RX_COHERENT BIT(16) -#define MTK_TX_DONE_INT3 BIT(11) -#define MTK_TX_DONE_INT2 BIT(10) -#define MTK_TX_DONE_INT1 BIT(9) -#define MTK_TX_DONE_INT0 BIT(8) -#define MTK_RX_DONE_INT0 BIT(2) -#define MTK_TX_DLY_INT BIT(1) -#define MTK_RX_DLY_INT BIT(0) - -#define MTK_RX_DONE_INT MTK_RX_DONE_INT0 -#define MTK_TX_DONE_INT (MTK_TX_DONE_INT0 | MTK_TX_DONE_INT1 | \ - MTK_TX_DONE_INT2 | MTK_TX_DONE_INT3) - -#define RT5350_RX_DLY_INT BIT(30) -#define RT5350_TX_DLY_INT BIT(28) -#define RT5350_RX_DONE_INT1 BIT(17) -#define RT5350_RX_DONE_INT0 BIT(16) -#define RT5350_TX_DONE_INT3 BIT(3) -#define RT5350_TX_DONE_INT2 BIT(2) -#define RT5350_TX_DONE_INT1 BIT(1) -#define RT5350_TX_DONE_INT0 BIT(0) - -#define RT5350_RX_DONE_INT (RT5350_RX_DONE_INT0 | RT5350_RX_DONE_INT1) -#define RT5350_TX_DONE_INT (RT5350_TX_DONE_INT0 | RT5350_TX_DONE_INT1 | \ - RT5350_TX_DONE_INT2 | RT5350_TX_DONE_INT3) - -/* registers */ -#define MTK_GDMA_OFFSET 0x0020 -#define MTK_PSE_OFFSET 0x0040 -#define MTK_GDMA2_OFFSET 0x0060 -#define MTK_CDMA_OFFSET 0x0080 -#define MTK_DMA_VID0 0x00a8 -#define MTK_PDMA_OFFSET 0x0100 -#define MTK_PPE_OFFSET 0x0200 -#define MTK_CMTABLE_OFFSET 0x0400 -#define MTK_POLICYTABLE_OFFSET 0x1000 - -#define MT7621_GDMA_OFFSET 0x0500 -#define MT7620_GDMA_OFFSET 0x0600 - -#define RT5350_PDMA_OFFSET 0x0800 -#define RT5350_SDM_OFFSET 0x0c00 - -#define MTK_MDIO_ACCESS 0x00 -#define MTK_MDIO_CFG 0x04 -#define MTK_GLO_CFG 0x08 -#define MTK_RST_GL 0x0C -#define MTK_INT_STATUS 0x10 -#define MTK_INT_ENABLE 0x14 -#define MTK_MDIO_CFG2 0x18 -#define MTK_FOC_TS_T 0x1C - -#define MTK_GDMA1_FWD_CFG (MTK_GDMA_OFFSET + 0x00) -#define MTK_GDMA1_SCH_CFG (MTK_GDMA_OFFSET + 0x04) -#define MTK_GDMA1_SHPR_CFG (MTK_GDMA_OFFSET + 0x08) -#define MTK_GDMA1_MAC_ADRL (MTK_GDMA_OFFSET + 0x0C) -#define MTK_GDMA1_MAC_ADRH (MTK_GDMA_OFFSET + 0x10) - -#define MTK_GDMA2_FWD_CFG (MTK_GDMA2_OFFSET + 0x00) -#define MTK_GDMA2_SCH_CFG (MTK_GDMA2_OFFSET + 0x04) -#define MTK_GDMA2_SHPR_CFG (MTK_GDMA2_OFFSET + 0x08) -#define MTK_GDMA2_MAC_ADRL (MTK_GDMA2_OFFSET + 0x0C) -#define MTK_GDMA2_MAC_ADRH (MTK_GDMA2_OFFSET + 0x10) - -#define MTK_PSE_FQ_CFG (MTK_PSE_OFFSET + 0x00) -#define MTK_CDMA_FC_CFG (MTK_PSE_OFFSET + 0x04) -#define MTK_GDMA1_FC_CFG (MTK_PSE_OFFSET + 0x08) -#define MTK_GDMA2_FC_CFG (MTK_PSE_OFFSET + 0x0C) - -#define MTK_CDMA_CSG_CFG (MTK_CDMA_OFFSET + 0x00) -#define MTK_CDMA_SCH_CFG (MTK_CDMA_OFFSET + 0x04) - -#define MT7621_GDMA_FWD_CFG(x) (MT7621_GDMA_OFFSET + (x * 0x1000)) - -/* FIXME this might be different for different SOCs */ -#define MT7620_GDMA1_FWD_CFG (MT7621_GDMA_OFFSET + 0x00) - -#define RT5350_TX_BASE_PTR0 (RT5350_PDMA_OFFSET + 0x00) -#define RT5350_TX_MAX_CNT0 (RT5350_PDMA_OFFSET + 0x04) -#define RT5350_TX_CTX_IDX0 (RT5350_PDMA_OFFSET + 0x08) -#define RT5350_TX_DTX_IDX0 (RT5350_PDMA_OFFSET + 0x0C) -#define RT5350_TX_BASE_PTR1 (RT5350_PDMA_OFFSET + 0x10) -#define RT5350_TX_MAX_CNT1 (RT5350_PDMA_OFFSET + 0x14) -#define RT5350_TX_CTX_IDX1 (RT5350_PDMA_OFFSET + 0x18) -#define RT5350_TX_DTX_IDX1 (RT5350_PDMA_OFFSET + 0x1C) -#define RT5350_TX_BASE_PTR2 (RT5350_PDMA_OFFSET + 0x20) -#define RT5350_TX_MAX_CNT2 (RT5350_PDMA_OFFSET + 0x24) -#define RT5350_TX_CTX_IDX2 (RT5350_PDMA_OFFSET + 0x28) -#define RT5350_TX_DTX_IDX2 (RT5350_PDMA_OFFSET + 0x2C) -#define RT5350_TX_BASE_PTR3 (RT5350_PDMA_OFFSET + 0x30) -#define RT5350_TX_MAX_CNT3 (RT5350_PDMA_OFFSET + 0x34) -#define RT5350_TX_CTX_IDX3 (RT5350_PDMA_OFFSET + 0x38) -#define RT5350_TX_DTX_IDX3 (RT5350_PDMA_OFFSET + 0x3C) -#define RT5350_RX_BASE_PTR0 (RT5350_PDMA_OFFSET + 0x100) -#define RT5350_RX_MAX_CNT0 (RT5350_PDMA_OFFSET + 0x104) -#define RT5350_RX_CALC_IDX0 (RT5350_PDMA_OFFSET + 0x108) -#define RT5350_RX_DRX_IDX0 (RT5350_PDMA_OFFSET + 0x10C) -#define RT5350_RX_BASE_PTR1 (RT5350_PDMA_OFFSET + 0x110) -#define RT5350_RX_MAX_CNT1 (RT5350_PDMA_OFFSET + 0x114) -#define RT5350_RX_CALC_IDX1 (RT5350_PDMA_OFFSET + 0x118) -#define RT5350_RX_DRX_IDX1 (RT5350_PDMA_OFFSET + 0x11C) -#define RT5350_PDMA_GLO_CFG (RT5350_PDMA_OFFSET + 0x204) -#define RT5350_PDMA_RST_CFG (RT5350_PDMA_OFFSET + 0x208) -#define RT5350_DLY_INT_CFG (RT5350_PDMA_OFFSET + 0x20c) -#define RT5350_MTK_INT_STATUS (RT5350_PDMA_OFFSET + 0x220) -#define RT5350_MTK_INT_ENABLE (RT5350_PDMA_OFFSET + 0x228) -#define RT5350_PDMA_SCH_CFG (RT5350_PDMA_OFFSET + 0x280) - -#define MTK_PDMA_GLO_CFG (MTK_PDMA_OFFSET + 0x00) -#define MTK_PDMA_RST_CFG (MTK_PDMA_OFFSET + 0x04) -#define MTK_PDMA_SCH_CFG (MTK_PDMA_OFFSET + 0x08) -#define MTK_DLY_INT_CFG (MTK_PDMA_OFFSET + 0x0C) -#define MTK_TX_BASE_PTR0 (MTK_PDMA_OFFSET + 0x10) -#define MTK_TX_MAX_CNT0 (MTK_PDMA_OFFSET + 0x14) -#define MTK_TX_CTX_IDX0 (MTK_PDMA_OFFSET + 0x18) -#define MTK_TX_DTX_IDX0 (MTK_PDMA_OFFSET + 0x1C) -#define MTK_TX_BASE_PTR1 (MTK_PDMA_OFFSET + 0x20) -#define MTK_TX_MAX_CNT1 (MTK_PDMA_OFFSET + 0x24) -#define MTK_TX_CTX_IDX1 (MTK_PDMA_OFFSET + 0x28) -#define MTK_TX_DTX_IDX1 (MTK_PDMA_OFFSET + 0x2C) -#define MTK_RX_BASE_PTR0 (MTK_PDMA_OFFSET + 0x30) -#define MTK_RX_MAX_CNT0 (MTK_PDMA_OFFSET + 0x34) -#define MTK_RX_CALC_IDX0 (MTK_PDMA_OFFSET + 0x38) -#define MTK_RX_DRX_IDX0 (MTK_PDMA_OFFSET + 0x3C) -#define MTK_TX_BASE_PTR2 (MTK_PDMA_OFFSET + 0x40) -#define MTK_TX_MAX_CNT2 (MTK_PDMA_OFFSET + 0x44) -#define MTK_TX_CTX_IDX2 (MTK_PDMA_OFFSET + 0x48) -#define MTK_TX_DTX_IDX2 (MTK_PDMA_OFFSET + 0x4C) -#define MTK_TX_BASE_PTR3 (MTK_PDMA_OFFSET + 0x50) -#define MTK_TX_MAX_CNT3 (MTK_PDMA_OFFSET + 0x54) -#define MTK_TX_CTX_IDX3 (MTK_PDMA_OFFSET + 0x58) -#define MTK_TX_DTX_IDX3 (MTK_PDMA_OFFSET + 0x5C) -#define MTK_RX_BASE_PTR1 (MTK_PDMA_OFFSET + 0x60) -#define MTK_RX_MAX_CNT1 (MTK_PDMA_OFFSET + 0x64) -#define MTK_RX_CALC_IDX1 (MTK_PDMA_OFFSET + 0x68) -#define MTK_RX_DRX_IDX1 (MTK_PDMA_OFFSET + 0x6C) - -/* Switch DMA configuration */ -#define RT5350_SDM_CFG (RT5350_SDM_OFFSET + 0x00) -#define RT5350_SDM_RRING (RT5350_SDM_OFFSET + 0x04) -#define RT5350_SDM_TRING (RT5350_SDM_OFFSET + 0x08) -#define RT5350_SDM_MAC_ADRL (RT5350_SDM_OFFSET + 0x0C) -#define RT5350_SDM_MAC_ADRH (RT5350_SDM_OFFSET + 0x10) -#define RT5350_SDM_TPCNT (RT5350_SDM_OFFSET + 0x100) -#define RT5350_SDM_TBCNT (RT5350_SDM_OFFSET + 0x104) -#define RT5350_SDM_RPCNT (RT5350_SDM_OFFSET + 0x108) -#define RT5350_SDM_RBCNT (RT5350_SDM_OFFSET + 0x10C) -#define RT5350_SDM_CS_ERR (RT5350_SDM_OFFSET + 0x110) - -#define RT5350_SDM_ICS_EN BIT(16) -#define RT5350_SDM_TCS_EN BIT(17) -#define RT5350_SDM_UCS_EN BIT(18) - -/* QDMA registers */ -#define MTK_QTX_CFG(x) (0x1800 + (x * 0x10)) -#define MTK_QTX_SCH(x) (0x1804 + (x * 0x10)) -#define MTK_QRX_BASE_PTR0 0x1900 -#define MTK_QRX_MAX_CNT0 0x1904 -#define MTK_QRX_CRX_IDX0 0x1908 -#define MTK_QRX_DRX_IDX0 0x190C -#define MTK_QDMA_GLO_CFG 0x1A04 -#define MTK_QDMA_RST_IDX 0x1A08 -#define MTK_QDMA_DELAY_INT 0x1A0C -#define MTK_QDMA_FC_THRES 0x1A10 -#define MTK_QMTK_INT_STATUS 0x1A18 -#define MTK_QMTK_INT_ENABLE 0x1A1C -#define MTK_QDMA_HRED2 0x1A44 - -#define MTK_QTX_CTX_PTR 0x1B00 -#define MTK_QTX_DTX_PTR 0x1B04 - -#define MTK_QTX_CRX_PTR 0x1B10 -#define MTK_QTX_DRX_PTR 0x1B14 - -#define MTK_QDMA_FQ_HEAD 0x1B20 -#define MTK_QDMA_FQ_TAIL 0x1B24 -#define MTK_QDMA_FQ_CNT 0x1B28 -#define MTK_QDMA_FQ_BLEN 0x1B2C - -#define QDMA_PAGE_SIZE 2048 -#define QDMA_TX_OWNER_CPU BIT(31) -#define QDMA_TX_SWC BIT(14) -#define TX_QDMA_SDL(_x) (((_x) & 0x3fff) << 16) -#define QDMA_RES_THRES 4 - -/* MDIO_CFG register bits */ -#define MTK_MDIO_CFG_AUTO_POLL_EN BIT(29) -#define MTK_MDIO_CFG_GP1_BP_EN BIT(16) -#define MTK_MDIO_CFG_GP1_FRC_EN BIT(15) -#define MTK_MDIO_CFG_GP1_SPEED_10 (0 << 13) -#define MTK_MDIO_CFG_GP1_SPEED_100 (1 << 13) -#define MTK_MDIO_CFG_GP1_SPEED_1000 (2 << 13) -#define MTK_MDIO_CFG_GP1_DUPLEX BIT(12) -#define MTK_MDIO_CFG_GP1_FC_TX BIT(11) -#define MTK_MDIO_CFG_GP1_FC_RX BIT(10) -#define MTK_MDIO_CFG_GP1_LNK_DWN BIT(9) -#define MTK_MDIO_CFG_GP1_AN_FAIL BIT(8) -#define MTK_MDIO_CFG_MDC_CLK_DIV_1 (0 << 6) -#define MTK_MDIO_CFG_MDC_CLK_DIV_2 (1 << 6) -#define MTK_MDIO_CFG_MDC_CLK_DIV_4 (2 << 6) -#define MTK_MDIO_CFG_MDC_CLK_DIV_8 (3 << 6) -#define MTK_MDIO_CFG_TURBO_MII_FREQ BIT(5) -#define MTK_MDIO_CFG_TURBO_MII_MODE BIT(4) -#define MTK_MDIO_CFG_RX_CLK_SKEW_0 (0 << 2) -#define MTK_MDIO_CFG_RX_CLK_SKEW_200 (1 << 2) -#define MTK_MDIO_CFG_RX_CLK_SKEW_400 (2 << 2) -#define MTK_MDIO_CFG_RX_CLK_SKEW_INV (3 << 2) -#define MTK_MDIO_CFG_TX_CLK_SKEW_0 0 -#define MTK_MDIO_CFG_TX_CLK_SKEW_200 1 -#define MTK_MDIO_CFG_TX_CLK_SKEW_400 2 -#define MTK_MDIO_CFG_TX_CLK_SKEW_INV 3 - -/* uni-cast port */ -#define MTK_GDM1_JMB_LEN_MASK 0xf -#define MTK_GDM1_JMB_LEN_SHIFT 28 -#define MTK_GDM1_ICS_EN BIT(22) -#define MTK_GDM1_TCS_EN BIT(21) -#define MTK_GDM1_UCS_EN BIT(20) -#define MTK_GDM1_JMB_EN BIT(19) -#define MTK_GDM1_STRPCRC BIT(16) -#define MTK_GDM1_UFRC_P_CPU (0 << 12) -#define MTK_GDM1_UFRC_P_GDMA1 (1 << 12) -#define MTK_GDM1_UFRC_P_PPE (6 << 12) - -/* checksums */ -#define MTK_ICS_GEN_EN BIT(2) -#define MTK_UCS_GEN_EN BIT(1) -#define MTK_TCS_GEN_EN BIT(0) - -/* dma mode */ -#define MTK_PDMA BIT(0) -#define MTK_QDMA BIT(1) -#define MTK_PDMA_RX_QDMA_TX (MTK_PDMA | MTK_QDMA) - -/* dma ring */ -#define MTK_PST_DRX_IDX0 BIT(16) -#define MTK_PST_DTX_IDX3 BIT(3) -#define MTK_PST_DTX_IDX2 BIT(2) -#define MTK_PST_DTX_IDX1 BIT(1) -#define MTK_PST_DTX_IDX0 BIT(0) - -#define MTK_RX_2B_OFFSET BIT(31) -#define MTK_TX_WB_DDONE BIT(6) -#define MTK_RX_DMA_BUSY BIT(3) -#define MTK_TX_DMA_BUSY BIT(1) -#define MTK_RX_DMA_EN BIT(2) -#define MTK_TX_DMA_EN BIT(0) - -#define MTK_PDMA_SIZE_4DWORDS (0 << 4) -#define MTK_PDMA_SIZE_8DWORDS (1 << 4) -#define MTK_PDMA_SIZE_16DWORDS (2 << 4) - -#define MTK_US_CYC_CNT_MASK 0xff -#define MTK_US_CYC_CNT_SHIFT 0x8 -#define MTK_US_CYC_CNT_DIVISOR 1000000 - -/* PDMA descriptor rxd2 */ -#define RX_DMA_DONE BIT(31) -#define RX_DMA_LSO BIT(30) -#define RX_DMA_PLEN0(_x) (((_x) & 0x3fff) << 16) -#define RX_DMA_GET_PLEN0(_x) (((_x) >> 16) & 0x3fff) -#define RX_DMA_TAG BIT(15) - -/* PDMA descriptor rxd3 */ -#define RX_DMA_TPID(_x) (((_x) >> 16) & 0xffff) -#define RX_DMA_VID(_x) ((_x) & 0xfff) - -/* PDMA descriptor rxd4 */ -#define RX_DMA_L4VALID BIT(30) -#define RX_DMA_FPORT_SHIFT 19 -#define RX_DMA_FPORT_MASK 0x7 - -struct mtk_rx_dma { - unsigned int rxd1; - unsigned int rxd2; - unsigned int rxd3; - unsigned int rxd4; -} __packed __aligned(4); - -/* PDMA tx descriptor bits */ -#define TX_DMA_BUF_LEN 0x3fff -#define TX_DMA_PLEN0_MASK (TX_DMA_BUF_LEN << 16) -#define TX_DMA_PLEN0(_x) (((_x) & TX_DMA_BUF_LEN) << 16) -#define TX_DMA_PLEN1(_x) ((_x) & TX_DMA_BUF_LEN) -#define TX_DMA_GET_PLEN0(_x) (((_x) >> 16) & TX_DMA_BUF_LEN) -#define TX_DMA_GET_PLEN1(_x) ((_x) & TX_DMA_BUF_LEN) -#define TX_DMA_LS1 BIT(14) -#define TX_DMA_LS0 BIT(30) -#define TX_DMA_DONE BIT(31) -#define TX_DMA_FPORT_SHIFT 25 -#define TX_DMA_FPORT_MASK 0x7 -#define TX_DMA_INS_VLAN_MT7621 BIT(16) -#define TX_DMA_INS_VLAN BIT(7) -#define TX_DMA_INS_PPPOE BIT(12) -#define TX_DMA_TAG BIT(15) -#define TX_DMA_TAG_MASK BIT(15) -#define TX_DMA_QN(_x) ((_x) << 16) -#define TX_DMA_PN(_x) ((_x) << 24) -#define TX_DMA_QN_MASK TX_DMA_QN(0x7) -#define TX_DMA_PN_MASK TX_DMA_PN(0x7) -#define TX_DMA_UDF BIT(20) -#define TX_DMA_CHKSUM (0x7 << 29) -#define TX_DMA_TSO BIT(28) -#define TX_DMA_DESP4_DEF (TX_DMA_QN(3) | TX_DMA_PN(1)) - -/* frame engine counters */ -#define MTK_PPE_AC_BCNT0 (MTK_CMTABLE_OFFSET + 0x00) -#define MTK_GDMA1_TX_GBCNT (MTK_CMTABLE_OFFSET + 0x300) -#define MTK_GDMA2_TX_GBCNT (MTK_GDMA1_TX_GBCNT + 0x40) - -/* phy device flags */ -#define MTK_PHY_FLAG_PORT BIT(0) -#define MTK_PHY_FLAG_ATTACH BIT(1) - -struct mtk_tx_dma { - unsigned int txd1; - unsigned int txd2; - unsigned int txd3; - unsigned int txd4; -} __packed __aligned(4); - -struct mtk_eth; -struct mtk_mac; - -/* manage the attached phys */ -struct mtk_phy { - spinlock_t lock; - - struct phy_device *phy[8]; - struct device_node *phy_node[8]; - const __be32 *phy_fixed[8]; - int duplex[8]; - int speed[8]; - int tx_fc[8]; - int rx_fc[8]; - int (*connect)(struct mtk_mac *mac); - void (*disconnect)(struct mtk_mac *mac); - void (*start)(struct mtk_mac *mac); - void (*stop)(struct mtk_mac *mac); -}; - -/* struct mtk_soc_data - the structure that holds the SoC specific data - * @reg_table: Some of the legacy registers changed their location - * over time. Their offsets are stored in this table - * - * @init_data: Some features depend on the silicon revision. This - * callback allows runtime modification of the content of - * this struct - * @reset_fe: This callback is used to trigger the reset of the frame - * engine - * @set_mac: This callback is used to set the unicast mac address - * filter - * @fwd_config: This callback is used to setup the forward config - * register of the MAC - * @switch_init: This callback is used to bring up the switch core - * @port_init: Some SoCs have ports that can be router to a switch port - * or an external PHY. This callback is used to setup these - * ports. - * @has_carrier: This callback allows driver to check if there is a cable - * attached. - * @mdio_init: This callbck is used to setup the MDIO bus if one is - * present - * @mdio_cleanup: This callback is used to cleanup the MDIO state. - * @mdio_write: This callback is used to write data to the MDIO bus. - * @mdio_read: This callback is used to write data to the MDIO bus. - * @mdio_adjust_link: This callback is used to apply the PHY settings. - * @piac_offset: the PIAC register has a different different base offset - * @hw_features: feature set depends on the SoC type - * @dma_ring_size: allow GBit SoCs to set bigger rings than FE SoCs - * @napi_weight: allow GBit SoCs to set bigger napi weight than FE SoCs - * @dma_type: SoCs is PDMA, QDMA or a mix of the 2 - * @pdma_glo_cfg: the default DMA configuration - * @rx_int: the TX interrupt bits used by the SoC - * @tx_int: the TX interrupt bits used by the SoC - * @status_int: the Status interrupt bits used by the SoC - * @checksum_bit: the bits used to turn on HW checksumming - * @txd4: default value of the TXD4 descriptor - * @mac_count: the number of MACs that the SoC has - * @new_stats: there is a old and new way to read hardware stats - * registers - * @jumbo_frame: does the SoC support jumbo frames ? - * @rx_2b_offset: tell the rx dma to offset the data by 2 bytes - * @rx_sg_dma: scatter gather support - * @padding_64b enable 64 bit padding - * @padding_bug: rt2880 has a padding bug - * @has_switch: does the SoC have a built-in switch - * - * Although all of the supported SoCs share the same basic functionality, there - * are several SoC specific functions and features that we need to support. This - * struct holds the SoC specific data so that the common core can figure out - * how to setup and use these differences. - */ -struct mtk_soc_data { - const u16 *reg_table; - - void (*init_data)(struct mtk_soc_data *data, struct net_device *netdev); - void (*reset_fe)(struct mtk_eth *eth); - void (*set_mac)(struct mtk_mac *mac, unsigned char *macaddr); - int (*fwd_config)(struct mtk_eth *eth); - int (*switch_init)(struct mtk_eth *eth); - void (*port_init)(struct mtk_eth *eth, struct mtk_mac *mac, - struct device_node *port); - int (*has_carrier)(struct mtk_eth *eth); - int (*mdio_init)(struct mtk_eth *eth); - void (*mdio_cleanup)(struct mtk_eth *eth); - int (*mdio_write)(struct mii_bus *bus, int phy_addr, int phy_reg, - u16 val); - int (*mdio_read)(struct mii_bus *bus, int phy_addr, int phy_reg); - void (*mdio_adjust_link)(struct mtk_eth *eth, int port); - u32 piac_offset; - netdev_features_t hw_features; - u32 dma_ring_size; - u32 napi_weight; - u32 dma_type; - u32 pdma_glo_cfg; - u32 rx_int; - u32 tx_int; - u32 status_int; - u32 checksum_bit; - u32 txd4; - u32 mac_count; - - u32 new_stats:1; - u32 jumbo_frame:1; - u32 rx_2b_offset:1; - u32 rx_sg_dma:1; - u32 padding_64b:1; - u32 padding_bug:1; - u32 has_switch:1; -}; - -#define MTK_STAT_OFFSET 0x40 - -/* struct mtk_hw_stats - the structure that holds the traffic statistics. - * @stats_lock: make sure that stats operations are atomic - * @reg_offset: the status register offset of the SoC - * @syncp: the refcount - * - * All of the supported SoCs have hardware counters for traffic statstics. - * Whenever the status IRQ triggers we can read the latest stats from these - * counters and store them in this struct. - */ -struct mtk_hw_stats { - spinlock_t stats_lock; - u32 reg_offset; - struct u64_stats_sync syncp; - - u64 tx_bytes; - u64 tx_packets; - u64 tx_skip; - u64 tx_collisions; - u64 rx_bytes; - u64 rx_packets; - u64 rx_overflow; - u64 rx_fcs_errors; - u64 rx_short_errors; - u64 rx_long_errors; - u64 rx_checksum_errors; - u64 rx_flow_control_packets; -}; - -/* PDMA descriptor can point at 1-2 segments. This enum allows us to track how - * memory was allocated so that it can be freed properly - */ -enum mtk_tx_flags { - MTK_TX_FLAGS_SINGLE0 = 0x01, - MTK_TX_FLAGS_PAGE0 = 0x02, - MTK_TX_FLAGS_PAGE1 = 0x04, -}; - -/* struct mtk_tx_buf - This struct holds the pointers to the memory pointed at - * by the TX descriptor s - * @skb: The SKB pointer of the packet being sent - * @dma_addr0: The base addr of the first segment - * @dma_len0: The length of the first segment - * @dma_addr1: The base addr of the second segment - * @dma_len1: The length of the second segment - */ -struct mtk_tx_buf { - struct sk_buff *skb; - u32 flags; - DEFINE_DMA_UNMAP_ADDR(dma_addr0); - DEFINE_DMA_UNMAP_LEN(dma_len0); - DEFINE_DMA_UNMAP_ADDR(dma_addr1); - DEFINE_DMA_UNMAP_LEN(dma_len1); -}; - -/* struct mtk_tx_ring - This struct holds info describing a TX ring - * @tx_dma: The descriptor ring - * @tx_buf: The memory pointed at by the ring - * @tx_phys: The physical addr of tx_buf - * @tx_next_free: Pointer to the next free descriptor - * @tx_last_free: Pointer to the last free descriptor - * @tx_thresh: The threshold of minimum amount of free descriptors - * @tx_map: Callback to map a new packet into the ring - * @tx_poll: Callback for the housekeeping function - * @tx_clean: Callback for the cleanup function - * @tx_ring_size: How many descriptors are in the ring - * @tx_free_idx: The index of th next free descriptor - * @tx_next_idx: QDMA uses a linked list. This element points to the next - * free descriptor in the list - * @tx_free_count: QDMA uses a linked list. Track how many free descriptors - * are present - */ -struct mtk_tx_ring { - struct mtk_tx_dma *tx_dma; - struct mtk_tx_buf *tx_buf; - dma_addr_t tx_phys; - struct mtk_tx_dma *tx_next_free; - struct mtk_tx_dma *tx_last_free; - u16 tx_thresh; - int (*tx_map)(struct sk_buff *skb, struct net_device *dev, int tx_num, - struct mtk_tx_ring *ring, bool gso); - int (*tx_poll)(struct mtk_eth *eth, int budget, bool *tx_again); - void (*tx_clean)(struct mtk_eth *eth); - - /* PDMA only */ - u16 tx_ring_size; - u16 tx_free_idx; - - /* QDMA only */ - u16 tx_next_idx; - atomic_t tx_free_count; -}; - -/* struct mtk_rx_ring - This struct holds info describing a RX ring - * @rx_dma: The descriptor ring - * @rx_data: The memory pointed at by the ring - * @trx_phys: The physical addr of rx_buf - * @rx_ring_size: How many descriptors are in the ring - * @rx_buf_size: The size of each packet buffer - * @rx_calc_idx: The current head of ring - */ -struct mtk_rx_ring { - struct mtk_rx_dma *rx_dma; - u8 **rx_data; - dma_addr_t rx_phys; - u16 rx_ring_size; - u16 frag_size; - u16 rx_buf_size; - u16 rx_calc_idx; -}; - -/* currently no SoC has more than 2 macs */ -#define MTK_MAX_DEVS 2 - -/* struct mtk_eth - This is the main datasructure for holding the state - * of the driver - * @dev: The device pointer - * @base: The mapped register i/o base - * @page_lock: Make sure that register operations are atomic - * @soc: pointer to our SoC specific data - * @dummy_dev: we run 2 netdevs on 1 physical DMA ring and need a - * dummy for NAPI to work - * @netdev: The netdev instances - * @mac: Each netdev is linked to a physical MAC - * @switch_np: The phandle for the switch - * @irq: The IRQ that we are using - * @msg_enable: Ethtool msg level - * @ysclk: The sysclk rate - neeed for calibration - * @ethsys: The register map pointing at the range used to setup - * MII modes - * @dma_refcnt: track how many netdevs are using the DMA engine - * @tx_ring: Pointer to the memore holding info about the TX ring - * @rx_ring: Pointer to the memore holding info about the RX ring - * @rx_napi: The NAPI struct - * @scratch_ring: Newer SoCs need memory for a second HW managed TX ring - * @scratch_head: The scratch memory that scratch_ring points to. - * @phy: Info about the attached PHYs - * @mii_bus: If there is a bus we need to create an instance for it - * @link: Track if the ports have a physical link - * @sw_priv: Pointer to the switches private data - * @vlan_map: RX VID tracking - */ - -struct mtk_eth { - struct device *dev; - void __iomem *base; - spinlock_t page_lock; - struct mtk_soc_data *soc; - struct net_device dummy_dev; - struct net_device *netdev[MTK_MAX_DEVS]; - struct mtk_mac *mac[MTK_MAX_DEVS]; - struct device_node *switch_np; - int irq; - u32 msg_enable; - unsigned long sysclk; - struct regmap *ethsys; - atomic_t dma_refcnt; - struct mtk_tx_ring tx_ring; - struct mtk_rx_ring rx_ring[2]; - struct napi_struct rx_napi; - struct mtk_tx_dma *scratch_ring; - void *scratch_head; - struct mtk_phy *phy; - struct mii_bus *mii_bus; - int link[8]; - void *sw_priv; - unsigned long vlan_map; -}; - -/* struct mtk_mac - the structure that holds the info about the MACs of the - * SoC - * @id: The number of the MAC - * @of_node: Our devicetree node - * @hw: Backpointer to our main datastruture - * @hw_stats: Packet statistics counter - * @phy_dev: The attached PHY if available - * @phy_flags: The PHYs flags - * @pending_work: The workqueue used to reset the dma ring - */ -struct mtk_mac { - int id; - struct device_node *of_node; - struct mtk_eth *hw; - struct mtk_hw_stats *hw_stats; - struct phy_device *phy_dev; - u32 phy_flags; - struct work_struct pending_work; -}; - -/* the struct describing the SoC. these are declared in the soc_xyz.c files */ -extern const struct of_device_id of_mtk_match[]; - -/* read the hardware status register */ -void mtk_stats_update_mac(struct mtk_mac *mac); - -/* default checksum setup handler */ -void mtk_reset(struct mtk_eth *eth, u32 reset_bits); - -/* register i/o wrappers */ -void mtk_w32(struct mtk_eth *eth, u32 val, unsigned int reg); -u32 mtk_r32(struct mtk_eth *eth, unsigned int reg); - -/* default clock calibration handler */ -int mtk_set_clock_cycle(struct mtk_eth *eth); - -/* default checksum setup handler */ -void mtk_csum_config(struct mtk_eth *eth); - -/* default forward config handler */ -void mtk_fwd_config(struct mtk_eth *eth); - -#endif /* MTK_ETH_H */ diff --git a/drivers/staging/mt7621-eth/soc_mt7621.c b/drivers/staging/mt7621-eth/soc_mt7621.c deleted file mode 100644 index 5d63b5d96f6b..000000000000 --- a/drivers/staging/mt7621-eth/soc_mt7621.c +++ /dev/null @@ -1,161 +0,0 @@ -/* This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; version 2 of the License - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * Copyright (C) 2009-2016 John Crispin <blogic@openwrt.org> - * Copyright (C) 2009-2016 Felix Fietkau <nbd@openwrt.org> - * Copyright (C) 2013-2016 Michael Lee <igvtee@gmail.com> - */ - -#include <linux/module.h> -#include <linux/platform_device.h> -#include <linux/if_vlan.h> -#include <linux/of_net.h> - -#include <asm/mach-ralink/ralink_regs.h> - -#include "mtk_eth_soc.h" -#include "gsw_mt7620.h" -#include "mdio.h" - -#define MT7620_CDMA_CSG_CFG 0x400 -#define MT7621_CDMP_IG_CTRL (MT7620_CDMA_CSG_CFG + 0x00) -#define MT7621_CDMP_EG_CTRL (MT7620_CDMA_CSG_CFG + 0x04) -#define MT7621_RESET_FE BIT(6) -#define MT7621_L4_VALID BIT(24) - -#define MT7621_TX_DMA_UDF BIT(19) - -#define CDMA_ICS_EN BIT(2) -#define CDMA_UCS_EN BIT(1) -#define CDMA_TCS_EN BIT(0) - -#define GDMA_ICS_EN BIT(22) -#define GDMA_TCS_EN BIT(21) -#define GDMA_UCS_EN BIT(20) - -/* frame engine counters */ -#define MT7621_REG_MIB_OFFSET 0x2000 -#define MT7621_PPE_AC_BCNT0 (MT7621_REG_MIB_OFFSET + 0x00) -#define MT7621_GDM1_TX_GBCNT (MT7621_REG_MIB_OFFSET + 0x400) -#define MT7621_GDM2_TX_GBCNT (MT7621_GDM1_TX_GBCNT + 0x40) - -#define GSW_REG_GDMA1_MAC_ADRL 0x508 -#define GSW_REG_GDMA1_MAC_ADRH 0x50C -#define GSW_REG_GDMA2_MAC_ADRL 0x1508 -#define GSW_REG_GDMA2_MAC_ADRH 0x150C - -#define MT7621_MTK_RST_GL 0x04 -#define MT7620_MTK_INT_STATUS2 0x08 - -/* MTK_INT_STATUS reg on mt7620 define CNT_GDM1_AF at BIT(29) - * but after test it should be BIT(13). - */ -#define MT7621_MTK_GDM1_AF BIT(28) -#define MT7621_MTK_GDM2_AF BIT(29) - -static const u16 mt7621_reg_table[MTK_REG_COUNT] = { - [MTK_REG_PDMA_GLO_CFG] = RT5350_PDMA_GLO_CFG, - [MTK_REG_PDMA_RST_CFG] = RT5350_PDMA_RST_CFG, - [MTK_REG_DLY_INT_CFG] = RT5350_DLY_INT_CFG, - [MTK_REG_TX_BASE_PTR0] = RT5350_TX_BASE_PTR0, - [MTK_REG_TX_MAX_CNT0] = RT5350_TX_MAX_CNT0, - [MTK_REG_TX_CTX_IDX0] = RT5350_TX_CTX_IDX0, - [MTK_REG_TX_DTX_IDX0] = RT5350_TX_DTX_IDX0, - [MTK_REG_RX_BASE_PTR0] = RT5350_RX_BASE_PTR0, - [MTK_REG_RX_MAX_CNT0] = RT5350_RX_MAX_CNT0, - [MTK_REG_RX_CALC_IDX0] = RT5350_RX_CALC_IDX0, - [MTK_REG_RX_DRX_IDX0] = RT5350_RX_DRX_IDX0, - [MTK_REG_MTK_INT_ENABLE] = RT5350_MTK_INT_ENABLE, - [MTK_REG_MTK_INT_STATUS] = RT5350_MTK_INT_STATUS, - [MTK_REG_MTK_DMA_VID_BASE] = 0, - [MTK_REG_MTK_COUNTER_BASE] = MT7621_GDM1_TX_GBCNT, - [MTK_REG_MTK_RST_GL] = MT7621_MTK_RST_GL, - [MTK_REG_MTK_INT_STATUS2] = MT7620_MTK_INT_STATUS2, -}; - -static void mt7621_mtk_reset(struct mtk_eth *eth) -{ - mtk_reset(eth, MT7621_RESET_FE); -} - -static int mt7621_fwd_config(struct mtk_eth *eth) -{ - /* Setup GMAC1 only, there is no support for GMAC2 yet */ - mtk_w32(eth, mtk_r32(eth, MT7620_GDMA1_FWD_CFG) & ~0xffff, - MT7620_GDMA1_FWD_CFG); - - /* Enable RX checksum */ - mtk_w32(eth, mtk_r32(eth, MT7620_GDMA1_FWD_CFG) | (GDMA_ICS_EN | - GDMA_TCS_EN | GDMA_UCS_EN), - MT7620_GDMA1_FWD_CFG); - - /* Enable RX VLan Offloading */ - mtk_w32(eth, 0, MT7621_CDMP_EG_CTRL); - - return 0; -} - -static void mt7621_set_mac(struct mtk_mac *mac, unsigned char *hwaddr) -{ - unsigned long flags; - - spin_lock_irqsave(&mac->hw->page_lock, flags); - if (mac->id == 0) { - mtk_w32(mac->hw, (hwaddr[0] << 8) | hwaddr[1], - GSW_REG_GDMA1_MAC_ADRH); - mtk_w32(mac->hw, (hwaddr[2] << 24) | (hwaddr[3] << 16) | - (hwaddr[4] << 8) | hwaddr[5], - GSW_REG_GDMA1_MAC_ADRL); - } - if (mac->id == 1) { - mtk_w32(mac->hw, (hwaddr[0] << 8) | hwaddr[1], - GSW_REG_GDMA2_MAC_ADRH); - mtk_w32(mac->hw, (hwaddr[2] << 24) | (hwaddr[3] << 16) | - (hwaddr[4] << 8) | hwaddr[5], - GSW_REG_GDMA2_MAC_ADRL); - } - spin_unlock_irqrestore(&mac->hw->page_lock, flags); -} - -static struct mtk_soc_data mt7621_data = { - .hw_features = NETIF_F_IP_CSUM | NETIF_F_RXCSUM | - NETIF_F_HW_VLAN_CTAG_TX | NETIF_F_HW_VLAN_CTAG_RX | - NETIF_F_SG | NETIF_F_TSO | NETIF_F_TSO6 | - NETIF_F_IPV6_CSUM, - .dma_type = MTK_PDMA, - .dma_ring_size = 256, - .napi_weight = 64, - .new_stats = 1, - .padding_64b = 1, - .rx_2b_offset = 1, - .rx_sg_dma = 1, - .has_switch = 1, - .mac_count = 2, - .reset_fe = mt7621_mtk_reset, - .set_mac = mt7621_set_mac, - .fwd_config = mt7621_fwd_config, - .switch_init = mtk_gsw_init, - .reg_table = mt7621_reg_table, - .pdma_glo_cfg = MTK_PDMA_SIZE_16DWORDS, - .rx_int = RT5350_RX_DONE_INT, - .tx_int = RT5350_TX_DONE_INT, - .status_int = MT7621_MTK_GDM1_AF | MT7621_MTK_GDM2_AF, - .checksum_bit = MT7621_L4_VALID, - .has_carrier = mt7620_has_carrier, - .mdio_read = mt7620_mdio_read, - .mdio_write = mt7620_mdio_write, - .mdio_adjust_link = mt7620_mdio_link_adjust, -}; - -const struct of_device_id of_mtk_match[] = { - { .compatible = "mediatek,mt7621-eth", .data = &mt7621_data }, - {}, -}; - -MODULE_DEVICE_TABLE(of, of_mtk_match); diff --git a/drivers/staging/mt7621-pci/Kconfig b/drivers/staging/mt7621-pci/Kconfig index d33533872a16..c8fa17cfa807 100644 --- a/drivers/staging/mt7621-pci/Kconfig +++ b/drivers/staging/mt7621-pci/Kconfig @@ -1,6 +1,7 @@ config PCI_MT7621 tristate "MediaTek MT7621 PCI Controller" depends on RALINK + depends on PCI select PCI_DRIVERS_GENERIC help This selects a driver for the MediaTek MT7621 PCI Controller. diff --git a/drivers/staging/octeon/ethernet-mdio.c b/drivers/staging/octeon/ethernet-mdio.c index d6248eecf123..2aee64fdaec5 100644 --- a/drivers/staging/octeon/ethernet-mdio.c +++ b/drivers/staging/octeon/ethernet-mdio.c @@ -163,7 +163,7 @@ int cvm_oct_phy_setup_device(struct net_device *dev) goto no_phy; phydev = of_phy_connect(dev, phy_node, cvm_oct_adjust_link, 0, - PHY_INTERFACE_MODE_GMII); + priv->phy_mode); of_node_put(phy_node); if (!phydev) diff --git a/drivers/staging/octeon/ethernet.c b/drivers/staging/octeon/ethernet.c index ce61c5670ef6..986db76705cc 100644 --- a/drivers/staging/octeon/ethernet.c +++ b/drivers/staging/octeon/ethernet.c @@ -653,14 +653,37 @@ static struct device_node *cvm_oct_node_for_port(struct device_node *pip, return np; } -static void cvm_set_rgmii_delay(struct device_node *np, int iface, int port) +static void cvm_set_rgmii_delay(struct octeon_ethernet *priv, int iface, + int port) { + struct device_node *np = priv->of_node; u32 delay_value; + bool rx_delay; + bool tx_delay; - if (!of_property_read_u32(np, "rx-delay", &delay_value)) + /* By default, both RX/TX delay is enabled in + * __cvmx_helper_rgmii_enable(). + */ + rx_delay = true; + tx_delay = true; + + if (!of_property_read_u32(np, "rx-delay", &delay_value)) { cvmx_write_csr(CVMX_ASXX_RX_CLK_SETX(port, iface), delay_value); - if (!of_property_read_u32(np, "tx-delay", &delay_value)) + rx_delay = delay_value > 0; + } + if (!of_property_read_u32(np, "tx-delay", &delay_value)) { cvmx_write_csr(CVMX_ASXX_TX_CLK_SETX(port, iface), delay_value); + tx_delay = delay_value > 0; + } + + if (!rx_delay && !tx_delay) + priv->phy_mode = PHY_INTERFACE_MODE_RGMII_ID; + else if (!rx_delay) + priv->phy_mode = PHY_INTERFACE_MODE_RGMII_RXID; + else if (!tx_delay) + priv->phy_mode = PHY_INTERFACE_MODE_RGMII_TXID; + else + priv->phy_mode = PHY_INTERFACE_MODE_RGMII; } static int cvm_oct_probe(struct platform_device *pdev) @@ -825,6 +848,7 @@ static int cvm_oct_probe(struct platform_device *pdev) priv->port = port; priv->queue = cvmx_pko_get_base_queue(priv->port); priv->fau = fau - cvmx_pko_get_num_queues(port) * 4; + priv->phy_mode = PHY_INTERFACE_MODE_NA; for (qos = 0; qos < 16; qos++) skb_queue_head_init(&priv->tx_free_list[qos]); for (qos = 0; qos < cvmx_pko_get_num_queues(port); @@ -856,6 +880,7 @@ static int cvm_oct_probe(struct platform_device *pdev) break; case CVMX_HELPER_INTERFACE_MODE_SGMII: + priv->phy_mode = PHY_INTERFACE_MODE_SGMII; dev->netdev_ops = &cvm_oct_sgmii_netdev_ops; strcpy(dev->name, "eth%d"); break; @@ -865,11 +890,16 @@ static int cvm_oct_probe(struct platform_device *pdev) strcpy(dev->name, "spi%d"); break; - case CVMX_HELPER_INTERFACE_MODE_RGMII: case CVMX_HELPER_INTERFACE_MODE_GMII: + priv->phy_mode = PHY_INTERFACE_MODE_GMII; + dev->netdev_ops = &cvm_oct_rgmii_netdev_ops; + strcpy(dev->name, "eth%d"); + break; + + case CVMX_HELPER_INTERFACE_MODE_RGMII: dev->netdev_ops = &cvm_oct_rgmii_netdev_ops; strcpy(dev->name, "eth%d"); - cvm_set_rgmii_delay(priv->of_node, interface, + cvm_set_rgmii_delay(priv, interface, port_index); break; } diff --git a/drivers/staging/octeon/octeon-ethernet.h b/drivers/staging/octeon/octeon-ethernet.h index 4a07e7f43d12..be570d33685a 100644 --- a/drivers/staging/octeon/octeon-ethernet.h +++ b/drivers/staging/octeon/octeon-ethernet.h @@ -12,7 +12,7 @@ #define OCTEON_ETHERNET_H #include <linux/of.h> - +#include <linux/phy.h> #include <asm/octeon/cvmx-helper-board.h> /** @@ -33,6 +33,8 @@ struct octeon_ethernet { * cvmx_helper_interface_mode_t */ int imode; + /* PHY mode */ + phy_interface_t phy_mode; /* List of outstanding tx buffers per queue */ struct sk_buff_head tx_free_list[16]; unsigned int last_speed; diff --git a/drivers/staging/olpc_dcon/olpc_dcon_xo_1.c b/drivers/staging/olpc_dcon/olpc_dcon_xo_1.c index 80b8d4153414..a54286498a47 100644 --- a/drivers/staging/olpc_dcon/olpc_dcon_xo_1.c +++ b/drivers/staging/olpc_dcon/olpc_dcon_xo_1.c @@ -45,7 +45,7 @@ static int dcon_init_xo_1(struct dcon_priv *dcon) { unsigned char lob; int ret, i; - struct dcon_gpio *pin = &gpios_asis[0]; + const struct dcon_gpio *pin = &gpios_asis[0]; for (i = 0; i < ARRAY_SIZE(gpios_asis); i++) { gpios[i] = devm_gpiod_get(&dcon->client->dev, pin[i].name, diff --git a/drivers/staging/rtl8188eu/core/rtw_xmit.c b/drivers/staging/rtl8188eu/core/rtw_xmit.c index 1723a47a96b4..952f2ab51347 100644 --- a/drivers/staging/rtl8188eu/core/rtw_xmit.c +++ b/drivers/staging/rtl8188eu/core/rtw_xmit.c @@ -174,7 +174,9 @@ s32 _rtw_init_xmit_priv(struct xmit_priv *pxmitpriv, struct adapter *padapter) pxmitpriv->free_xmit_extbuf_cnt = num_xmit_extbuf; - rtw_alloc_hwxmits(padapter); + res = rtw_alloc_hwxmits(padapter); + if (res == _FAIL) + goto exit; rtw_init_hwxmits(pxmitpriv->hwxmits, pxmitpriv->hwxmit_entry); for (i = 0; i < 4; i++) @@ -1503,7 +1505,7 @@ exit: return res; } -void rtw_alloc_hwxmits(struct adapter *padapter) +s32 rtw_alloc_hwxmits(struct adapter *padapter) { struct hw_xmit *hwxmits; struct xmit_priv *pxmitpriv = &padapter->xmitpriv; @@ -1512,6 +1514,8 @@ void rtw_alloc_hwxmits(struct adapter *padapter) pxmitpriv->hwxmits = kcalloc(pxmitpriv->hwxmit_entry, sizeof(struct hw_xmit), GFP_KERNEL); + if (!pxmitpriv->hwxmits) + return _FAIL; hwxmits = pxmitpriv->hwxmits; @@ -1519,6 +1523,7 @@ void rtw_alloc_hwxmits(struct adapter *padapter) hwxmits[1] .sta_queue = &pxmitpriv->vi_pending; hwxmits[2] .sta_queue = &pxmitpriv->be_pending; hwxmits[3] .sta_queue = &pxmitpriv->bk_pending; + return _SUCCESS; } void rtw_free_hwxmits(struct adapter *padapter) diff --git a/drivers/staging/rtl8188eu/include/rtw_xmit.h b/drivers/staging/rtl8188eu/include/rtw_xmit.h index 788f59c74ea1..ba7e15fbde72 100644 --- a/drivers/staging/rtl8188eu/include/rtw_xmit.h +++ b/drivers/staging/rtl8188eu/include/rtw_xmit.h @@ -336,7 +336,7 @@ s32 rtw_txframes_sta_ac_pending(struct adapter *padapter, void rtw_init_hwxmits(struct hw_xmit *phwxmit, int entry); s32 _rtw_init_xmit_priv(struct xmit_priv *pxmitpriv, struct adapter *padapter); void _rtw_free_xmit_priv(struct xmit_priv *pxmitpriv); -void rtw_alloc_hwxmits(struct adapter *padapter); +s32 rtw_alloc_hwxmits(struct adapter *padapter); void rtw_free_hwxmits(struct adapter *padapter); s32 rtw_xmit(struct adapter *padapter, struct sk_buff **pkt); diff --git a/drivers/staging/rtl8712/rtl8712_cmd.c b/drivers/staging/rtl8712/rtl8712_cmd.c index 1920d02f7c9f..8c36acedf507 100644 --- a/drivers/staging/rtl8712/rtl8712_cmd.c +++ b/drivers/staging/rtl8712/rtl8712_cmd.c @@ -147,17 +147,9 @@ static u8 write_macreg_hdl(struct _adapter *padapter, u8 *pbuf) static u8 read_bbreg_hdl(struct _adapter *padapter, u8 *pbuf) { - u32 val; - void (*pcmd_callback)(struct _adapter *dev, struct cmd_obj *pcmd); struct cmd_obj *pcmd = (struct cmd_obj *)pbuf; - if (pcmd->rsp && pcmd->rspsz > 0) - memcpy(pcmd->rsp, (u8 *)&val, pcmd->rspsz); - pcmd_callback = cmd_callback[pcmd->cmdcode].callback; - if (!pcmd_callback) - r8712_free_cmd_obj(pcmd); - else - pcmd_callback(padapter, pcmd); + r8712_free_cmd_obj(pcmd); return H2C_SUCCESS; } diff --git a/drivers/staging/rtl8712/rtl8712_cmd.h b/drivers/staging/rtl8712/rtl8712_cmd.h index 92fb77666d44..1ef86b8c592f 100644 --- a/drivers/staging/rtl8712/rtl8712_cmd.h +++ b/drivers/staging/rtl8712/rtl8712_cmd.h @@ -140,7 +140,7 @@ enum rtl8712_h2c_cmd { static struct _cmd_callback cmd_callback[] = { {GEN_CMD_CODE(_Read_MACREG), NULL}, /*0*/ {GEN_CMD_CODE(_Write_MACREG), NULL}, - {GEN_CMD_CODE(_Read_BBREG), &r8712_getbbrfreg_cmdrsp_callback}, + {GEN_CMD_CODE(_Read_BBREG), NULL}, {GEN_CMD_CODE(_Write_BBREG), NULL}, {GEN_CMD_CODE(_Read_RFREG), &r8712_getbbrfreg_cmdrsp_callback}, {GEN_CMD_CODE(_Write_RFREG), NULL}, /*5*/ diff --git a/drivers/staging/rtl8723bs/core/rtw_xmit.c b/drivers/staging/rtl8723bs/core/rtw_xmit.c index 094d61bcb469..b87f13a0b563 100644 --- a/drivers/staging/rtl8723bs/core/rtw_xmit.c +++ b/drivers/staging/rtl8723bs/core/rtw_xmit.c @@ -260,7 +260,9 @@ s32 _rtw_init_xmit_priv(struct xmit_priv *pxmitpriv, struct adapter *padapter) } } - rtw_alloc_hwxmits(padapter); + res = rtw_alloc_hwxmits(padapter); + if (res == _FAIL) + goto exit; rtw_init_hwxmits(pxmitpriv->hwxmits, pxmitpriv->hwxmit_entry); for (i = 0; i < 4; i++) { @@ -2144,7 +2146,7 @@ exit: return res; } -void rtw_alloc_hwxmits(struct adapter *padapter) +s32 rtw_alloc_hwxmits(struct adapter *padapter) { struct hw_xmit *hwxmits; struct xmit_priv *pxmitpriv = &padapter->xmitpriv; @@ -2155,10 +2157,8 @@ void rtw_alloc_hwxmits(struct adapter *padapter) pxmitpriv->hwxmits = rtw_zmalloc(sizeof(struct hw_xmit) * pxmitpriv->hwxmit_entry); - if (pxmitpriv->hwxmits == NULL) { - DBG_871X("alloc hwxmits fail!...\n"); - return; - } + if (!pxmitpriv->hwxmits) + return _FAIL; hwxmits = pxmitpriv->hwxmits; @@ -2204,7 +2204,7 @@ void rtw_alloc_hwxmits(struct adapter *padapter) } - + return _SUCCESS; } void rtw_free_hwxmits(struct adapter *padapter) diff --git a/drivers/staging/rtl8723bs/include/rtw_xmit.h b/drivers/staging/rtl8723bs/include/rtw_xmit.h index 1b38b9182b31..37f42b2f22f1 100644 --- a/drivers/staging/rtl8723bs/include/rtw_xmit.h +++ b/drivers/staging/rtl8723bs/include/rtw_xmit.h @@ -487,7 +487,7 @@ s32 _rtw_init_xmit_priv(struct xmit_priv *pxmitpriv, struct adapter *padapter); void _rtw_free_xmit_priv (struct xmit_priv *pxmitpriv); -void rtw_alloc_hwxmits(struct adapter *padapter); +s32 rtw_alloc_hwxmits(struct adapter *padapter); void rtw_free_hwxmits(struct adapter *padapter); diff --git a/drivers/staging/rtlwifi/phydm/rtl_phydm.c b/drivers/staging/rtlwifi/phydm/rtl_phydm.c index 9930ed954abb..4cc77b2016e1 100644 --- a/drivers/staging/rtlwifi/phydm/rtl_phydm.c +++ b/drivers/staging/rtlwifi/phydm/rtl_phydm.c @@ -180,6 +180,8 @@ static int rtl_phydm_init_priv(struct rtl_priv *rtlpriv, rtlpriv->phydm.internal = kzalloc(sizeof(struct phy_dm_struct), GFP_KERNEL); + if (!rtlpriv->phydm.internal) + return 0; _rtl_phydm_init_com_info(rtlpriv, ic, params); diff --git a/drivers/staging/rtlwifi/rtl8822be/fw.c b/drivers/staging/rtlwifi/rtl8822be/fw.c index f061dd1382aa..cf6b7a80b753 100644 --- a/drivers/staging/rtlwifi/rtl8822be/fw.c +++ b/drivers/staging/rtlwifi/rtl8822be/fw.c @@ -743,6 +743,8 @@ void rtl8822be_set_fw_rsvdpagepkt(struct ieee80211_hw *hw, bool b_dl_finished) u1_rsvd_page_loc, 3); skb = dev_alloc_skb(totalpacketlen); + if (!skb) + return; memcpy((u8 *)skb_put(skb, totalpacketlen), &reserved_page_packet, totalpacketlen); diff --git a/drivers/staging/speakup/speakup_soft.c b/drivers/staging/speakup/speakup_soft.c index edff6ce85655..9d85a3a1af4c 100644 --- a/drivers/staging/speakup/speakup_soft.c +++ b/drivers/staging/speakup/speakup_soft.c @@ -210,12 +210,15 @@ static ssize_t softsynthx_read(struct file *fp, char __user *buf, size_t count, return -EINVAL; spin_lock_irqsave(&speakup_info.spinlock, flags); + synth_soft.alive = 1; while (1) { prepare_to_wait(&speakup_event, &wait, TASK_INTERRUPTIBLE); - if (!unicode) - synth_buffer_skip_nonlatin1(); - if (!synth_buffer_empty() || speakup_info.flushing) - break; + if (synth_current() == &synth_soft) { + if (!unicode) + synth_buffer_skip_nonlatin1(); + if (!synth_buffer_empty() || speakup_info.flushing) + break; + } spin_unlock_irqrestore(&speakup_info.spinlock, flags); if (fp->f_flags & O_NONBLOCK) { finish_wait(&speakup_event, &wait); @@ -235,6 +238,8 @@ static ssize_t softsynthx_read(struct file *fp, char __user *buf, size_t count, /* Keep 3 bytes available for a 16bit UTF-8-encoded character */ while (chars_sent <= count - bytes_per_ch) { + if (synth_current() != &synth_soft) + break; if (speakup_info.flushing) { speakup_info.flushing = 0; ch = '\x18'; @@ -331,7 +336,8 @@ static __poll_t softsynth_poll(struct file *fp, struct poll_table_struct *wait) poll_wait(fp, &speakup_event, wait); spin_lock_irqsave(&speakup_info.spinlock, flags); - if (!synth_buffer_empty() || speakup_info.flushing) + if (synth_current() == &synth_soft && + (!synth_buffer_empty() || speakup_info.flushing)) ret = EPOLLIN | EPOLLRDNORM; spin_unlock_irqrestore(&speakup_info.spinlock, flags); return ret; diff --git a/drivers/staging/speakup/spk_priv.h b/drivers/staging/speakup/spk_priv.h index c8e688878fc7..ac6a74883af4 100644 --- a/drivers/staging/speakup/spk_priv.h +++ b/drivers/staging/speakup/spk_priv.h @@ -74,6 +74,7 @@ int synth_request_region(unsigned long start, unsigned long n); int synth_release_region(unsigned long start, unsigned long n); int synth_add(struct spk_synth *in_synth); void synth_remove(struct spk_synth *in_synth); +struct spk_synth *synth_current(void); extern struct speakup_info_t speakup_info; diff --git a/drivers/staging/speakup/synth.c b/drivers/staging/speakup/synth.c index 25f259ee4ffc..3568bfb89912 100644 --- a/drivers/staging/speakup/synth.c +++ b/drivers/staging/speakup/synth.c @@ -481,4 +481,10 @@ void synth_remove(struct spk_synth *in_synth) } EXPORT_SYMBOL_GPL(synth_remove); +struct spk_synth *synth_current(void) +{ + return synth; +} +EXPORT_SYMBOL_GPL(synth_current); + short spk_punc_masks[] = { 0, SOME, MOST, PUNC, PUNC | B_SYM }; diff --git a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c index 804daf83be35..064d0db4c51e 100644 --- a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c +++ b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c @@ -3513,6 +3513,7 @@ static int vchiq_probe(struct platform_device *pdev) struct device_node *fw_node; const struct of_device_id *of_id; struct vchiq_drvdata *drvdata; + struct device *vchiq_dev; int err; of_id = of_match_node(vchiq_of_match, pdev->dev.of_node); @@ -3547,9 +3548,12 @@ static int vchiq_probe(struct platform_device *pdev) goto failed_platform_init; } - if (IS_ERR(device_create(vchiq_class, &pdev->dev, vchiq_devid, - NULL, "vchiq"))) + vchiq_dev = device_create(vchiq_class, &pdev->dev, vchiq_devid, NULL, + "vchiq"); + if (IS_ERR(vchiq_dev)) { + err = PTR_ERR(vchiq_dev); goto failed_device_create; + } vchiq_debugfs_init(); diff --git a/drivers/staging/vt6655/device_main.c b/drivers/staging/vt6655/device_main.c index b370985b58a1..c6bb4aaf9bd0 100644 --- a/drivers/staging/vt6655/device_main.c +++ b/drivers/staging/vt6655/device_main.c @@ -1033,8 +1033,6 @@ static void vnt_interrupt_process(struct vnt_private *priv) return; } - MACvIntDisable(priv->PortOffset); - spin_lock_irqsave(&priv->lock, flags); /* Read low level stats */ @@ -1122,8 +1120,6 @@ static void vnt_interrupt_process(struct vnt_private *priv) } spin_unlock_irqrestore(&priv->lock, flags); - - MACvIntEnable(priv->PortOffset, IMR_MASK_VALUE); } static void vnt_interrupt_work(struct work_struct *work) @@ -1133,14 +1129,17 @@ static void vnt_interrupt_work(struct work_struct *work) if (priv->vif) vnt_interrupt_process(priv); + + MACvIntEnable(priv->PortOffset, IMR_MASK_VALUE); } static irqreturn_t vnt_interrupt(int irq, void *arg) { struct vnt_private *priv = arg; - if (priv->vif) - schedule_work(&priv->interrupt_work); + schedule_work(&priv->interrupt_work); + + MACvIntDisable(priv->PortOffset); return IRQ_HANDLED; } diff --git a/drivers/thermal/broadcom/bcm2835_thermal.c b/drivers/thermal/broadcom/bcm2835_thermal.c index 720760cd493f..ba39647a690c 100644 --- a/drivers/thermal/broadcom/bcm2835_thermal.c +++ b/drivers/thermal/broadcom/bcm2835_thermal.c @@ -119,8 +119,7 @@ static const struct debugfs_reg32 bcm2835_thermal_regs[] = { static void bcm2835_thermal_debugfs(struct platform_device *pdev) { - struct thermal_zone_device *tz = platform_get_drvdata(pdev); - struct bcm2835_thermal_data *data = tz->devdata; + struct bcm2835_thermal_data *data = platform_get_drvdata(pdev); struct debugfs_regset32 *regset; data->debugfsdir = debugfs_create_dir("bcm2835_thermal", NULL); @@ -266,7 +265,7 @@ static int bcm2835_thermal_probe(struct platform_device *pdev) data->tz = tz; - platform_set_drvdata(pdev, tz); + platform_set_drvdata(pdev, data); /* * Thermal_zone doesn't enable hwmon as default, @@ -290,8 +289,8 @@ err_clk: static int bcm2835_thermal_remove(struct platform_device *pdev) { - struct thermal_zone_device *tz = platform_get_drvdata(pdev); - struct bcm2835_thermal_data *data = tz->devdata; + struct bcm2835_thermal_data *data = platform_get_drvdata(pdev); + struct thermal_zone_device *tz = data->tz; debugfs_remove_recursive(data->debugfsdir); thermal_zone_of_sensor_unregister(&pdev->dev, tz); diff --git a/drivers/thermal/cpu_cooling.c b/drivers/thermal/cpu_cooling.c index 6fff16113628..f7c1f49ec87f 100644 --- a/drivers/thermal/cpu_cooling.c +++ b/drivers/thermal/cpu_cooling.c @@ -536,12 +536,11 @@ static int cpufreq_power2state(struct thermal_cooling_device *cdev, struct thermal_zone_device *tz, u32 power, unsigned long *state) { - unsigned int cur_freq, target_freq; + unsigned int target_freq; u32 last_load, normalised_power; struct cpufreq_cooling_device *cpufreq_cdev = cdev->devdata; struct cpufreq_policy *policy = cpufreq_cdev->policy; - cur_freq = cpufreq_quick_get(policy->cpu); power = power > 0 ? power : 0; last_load = cpufreq_cdev->last_load ?: 1; normalised_power = (power * 100) / last_load; diff --git a/drivers/thermal/intel/int340x_thermal/int3400_thermal.c b/drivers/thermal/intel/int340x_thermal/int3400_thermal.c index 61ca7ce3624e..5f3ed24e26ec 100644 --- a/drivers/thermal/intel/int340x_thermal/int3400_thermal.c +++ b/drivers/thermal/intel/int340x_thermal/int3400_thermal.c @@ -22,6 +22,13 @@ enum int3400_thermal_uuid { INT3400_THERMAL_PASSIVE_1, INT3400_THERMAL_ACTIVE, INT3400_THERMAL_CRITICAL, + INT3400_THERMAL_ADAPTIVE_PERFORMANCE, + INT3400_THERMAL_EMERGENCY_CALL_MODE, + INT3400_THERMAL_PASSIVE_2, + INT3400_THERMAL_POWER_BOSS, + INT3400_THERMAL_VIRTUAL_SENSOR, + INT3400_THERMAL_COOLING_MODE, + INT3400_THERMAL_HARDWARE_DUTY_CYCLING, INT3400_THERMAL_MAXIMUM_UUID, }; @@ -29,6 +36,13 @@ static char *int3400_thermal_uuids[INT3400_THERMAL_MAXIMUM_UUID] = { "42A441D6-AE6A-462b-A84B-4A8CE79027D3", "3A95C389-E4B8-4629-A526-C52C88626BAE", "97C68AE7-15FA-499c-B8C9-5DA81D606E0A", + "63BE270F-1C11-48FD-A6F7-3AF253FF3E2D", + "5349962F-71E6-431D-9AE8-0A635B710AEE", + "9E04115A-AE87-4D1C-9500-0F3E340BFE75", + "F5A35014-C209-46A4-993A-EB56DE7530A1", + "6ED722A7-9240-48A5-B479-31EEF723D7CF", + "16CAF1B7-DD38-40ED-B1C1-1B8A1913D531", + "BE84BABF-C4D4-403D-B495-3128FD44dAC1", }; struct int3400_thermal_priv { @@ -299,10 +313,9 @@ static int int3400_thermal_probe(struct platform_device *pdev) platform_set_drvdata(pdev, priv); - if (priv->uuid_bitmap & 1 << INT3400_THERMAL_PASSIVE_1) { - int3400_thermal_ops.get_mode = int3400_thermal_get_mode; - int3400_thermal_ops.set_mode = int3400_thermal_set_mode; - } + int3400_thermal_ops.get_mode = int3400_thermal_get_mode; + int3400_thermal_ops.set_mode = int3400_thermal_set_mode; + priv->thermal = thermal_zone_device_register("INT3400 Thermal", 0, 0, priv, &int3400_thermal_ops, &int3400_thermal_params, 0, 0); diff --git a/drivers/thermal/intel/intel_powerclamp.c b/drivers/thermal/intel/intel_powerclamp.c index 7571f7c2e7c9..ac7256b5f020 100644 --- a/drivers/thermal/intel/intel_powerclamp.c +++ b/drivers/thermal/intel/intel_powerclamp.c @@ -101,7 +101,7 @@ struct powerclamp_worker_data { bool clamping; }; -static struct powerclamp_worker_data * __percpu worker_data; +static struct powerclamp_worker_data __percpu *worker_data; static struct thermal_cooling_device *cooling_dev; static unsigned long *cpu_clamping_mask; /* bit map for tracking per cpu * clamping kthread worker @@ -494,7 +494,7 @@ static void start_power_clamp_worker(unsigned long cpu) struct powerclamp_worker_data *w_data = per_cpu_ptr(worker_data, cpu); struct kthread_worker *worker; - worker = kthread_create_worker_on_cpu(cpu, 0, "kidle_inject/%ld", cpu); + worker = kthread_create_worker_on_cpu(cpu, 0, "kidle_inj/%ld", cpu); if (IS_ERR(worker)) return; diff --git a/drivers/thermal/mtk_thermal.c b/drivers/thermal/mtk_thermal.c index 5c07a61447d3..e4ea7f6aef20 100644 --- a/drivers/thermal/mtk_thermal.c +++ b/drivers/thermal/mtk_thermal.c @@ -199,6 +199,9 @@ enum { #define MT7622_TS1 0 #define MT7622_NUM_CONTROLLER 1 +/* The maximum number of banks */ +#define MAX_NUM_ZONES 8 + /* The calibration coefficient of sensor */ #define MT7622_CALIBRATION 165 @@ -249,7 +252,7 @@ struct mtk_thermal_data { const int num_controller; const int *controller_offset; bool need_switch_bank; - struct thermal_bank_cfg bank_data[]; + struct thermal_bank_cfg bank_data[MAX_NUM_ZONES]; }; struct mtk_thermal { @@ -268,7 +271,7 @@ struct mtk_thermal { s32 vts[MAX_NUM_VTS]; const struct mtk_thermal_data *conf; - struct mtk_thermal_bank banks[]; + struct mtk_thermal_bank banks[MAX_NUM_ZONES]; }; /* MT8183 thermal sensor data */ diff --git a/drivers/thermal/samsung/exynos_tmu.c b/drivers/thermal/samsung/exynos_tmu.c index 48eef552cba4..fc9399d9c082 100644 --- a/drivers/thermal/samsung/exynos_tmu.c +++ b/drivers/thermal/samsung/exynos_tmu.c @@ -666,7 +666,7 @@ static int exynos_get_temp(void *p, int *temp) struct exynos_tmu_data *data = p; int value, ret = 0; - if (!data || !data->tmu_read || !data->enabled) + if (!data || !data->tmu_read) return -EINVAL; else if (!data->enabled) /* diff --git a/drivers/tty/serial/ar933x_uart.c b/drivers/tty/serial/ar933x_uart.c index db5df3d54818..3bdd56a1021b 100644 --- a/drivers/tty/serial/ar933x_uart.c +++ b/drivers/tty/serial/ar933x_uart.c @@ -49,11 +49,6 @@ struct ar933x_uart_port { struct clk *clk; }; -static inline bool ar933x_uart_console_enabled(void) -{ - return IS_ENABLED(CONFIG_SERIAL_AR933X_CONSOLE); -} - static inline unsigned int ar933x_uart_read(struct ar933x_uart_port *up, int offset) { @@ -508,6 +503,7 @@ static const struct uart_ops ar933x_uart_ops = { .verify_port = ar933x_uart_verify_port, }; +#ifdef CONFIG_SERIAL_AR933X_CONSOLE static struct ar933x_uart_port * ar933x_console_ports[CONFIG_SERIAL_AR933X_NR_UARTS]; @@ -604,14 +600,7 @@ static struct console ar933x_uart_console = { .index = -1, .data = &ar933x_uart_driver, }; - -static void ar933x_uart_add_console_port(struct ar933x_uart_port *up) -{ - if (!ar933x_uart_console_enabled()) - return; - - ar933x_console_ports[up->port.line] = up; -} +#endif /* CONFIG_SERIAL_AR933X_CONSOLE */ static struct uart_driver ar933x_uart_driver = { .owner = THIS_MODULE, @@ -700,7 +689,9 @@ static int ar933x_uart_probe(struct platform_device *pdev) baud = ar933x_uart_get_baud(port->uartclk, 0, AR933X_UART_MAX_STEP); up->max_baud = min_t(unsigned int, baud, AR933X_UART_MAX_BAUD); - ar933x_uart_add_console_port(up); +#ifdef CONFIG_SERIAL_AR933X_CONSOLE + ar933x_console_ports[up->port.line] = up; +#endif ret = uart_add_one_port(&ar933x_uart_driver, &up->port); if (ret) @@ -749,8 +740,9 @@ static int __init ar933x_uart_init(void) { int ret; - if (ar933x_uart_console_enabled()) - ar933x_uart_driver.cons = &ar933x_uart_console; +#ifdef CONFIG_SERIAL_AR933X_CONSOLE + ar933x_uart_driver.cons = &ar933x_uart_console; +#endif ret = uart_register_driver(&ar933x_uart_driver); if (ret) diff --git a/drivers/tty/serial/atmel_serial.c b/drivers/tty/serial/atmel_serial.c index 05147fe24343..0b4f36905321 100644 --- a/drivers/tty/serial/atmel_serial.c +++ b/drivers/tty/serial/atmel_serial.c @@ -166,6 +166,8 @@ struct atmel_uart_port { unsigned int pending_status; spinlock_t lock_suspended; + bool hd_start_rx; /* can start RX during half-duplex operation */ + /* ISO7816 */ unsigned int fidi_min; unsigned int fidi_max; @@ -231,6 +233,13 @@ static inline void atmel_uart_write_char(struct uart_port *port, u8 value) __raw_writeb(value, port->membase + ATMEL_US_THR); } +static inline int atmel_uart_is_half_duplex(struct uart_port *port) +{ + return ((port->rs485.flags & SER_RS485_ENABLED) && + !(port->rs485.flags & SER_RS485_RX_DURING_TX)) || + (port->iso7816.flags & SER_ISO7816_ENABLED); +} + #ifdef CONFIG_SERIAL_ATMEL_PDC static bool atmel_use_pdc_rx(struct uart_port *port) { @@ -608,10 +617,9 @@ static void atmel_stop_tx(struct uart_port *port) /* Disable interrupts */ atmel_uart_writel(port, ATMEL_US_IDR, atmel_port->tx_done_mask); - if (((port->rs485.flags & SER_RS485_ENABLED) && - !(port->rs485.flags & SER_RS485_RX_DURING_TX)) || - port->iso7816.flags & SER_ISO7816_ENABLED) + if (atmel_uart_is_half_duplex(port)) atmel_start_rx(port); + } /* @@ -628,9 +636,7 @@ static void atmel_start_tx(struct uart_port *port) return; if (atmel_use_pdc_tx(port) || atmel_use_dma_tx(port)) - if (((port->rs485.flags & SER_RS485_ENABLED) && - !(port->rs485.flags & SER_RS485_RX_DURING_TX)) || - port->iso7816.flags & SER_ISO7816_ENABLED) + if (atmel_uart_is_half_duplex(port)) atmel_stop_rx(port); if (atmel_use_pdc_tx(port)) @@ -928,11 +934,14 @@ static void atmel_complete_tx_dma(void *arg) */ if (!uart_circ_empty(xmit)) atmel_tasklet_schedule(atmel_port, &atmel_port->tasklet_tx); - else if (((port->rs485.flags & SER_RS485_ENABLED) && - !(port->rs485.flags & SER_RS485_RX_DURING_TX)) || - port->iso7816.flags & SER_ISO7816_ENABLED) { - /* DMA done, stop TX, start RX for RS485 */ - atmel_start_rx(port); + else if (atmel_uart_is_half_duplex(port)) { + /* + * DMA done, re-enable TXEMPTY and signal that we can stop + * TX and start RX for RS485 + */ + atmel_port->hd_start_rx = true; + atmel_uart_writel(port, ATMEL_US_IER, + atmel_port->tx_done_mask); } spin_unlock_irqrestore(&port->lock, flags); @@ -1288,6 +1297,10 @@ static int atmel_prepare_rx_dma(struct uart_port *port) sg_dma_len(&atmel_port->sg_rx)/2, DMA_DEV_TO_MEM, DMA_PREP_INTERRUPT); + if (!desc) { + dev_err(port->dev, "Preparing DMA cyclic failed\n"); + goto chan_err; + } desc->callback = atmel_complete_rx_dma; desc->callback_param = port; atmel_port->desc_rx = desc; @@ -1376,9 +1389,20 @@ atmel_handle_transmit(struct uart_port *port, unsigned int pending) struct atmel_uart_port *atmel_port = to_atmel_uart_port(port); if (pending & atmel_port->tx_done_mask) { - /* Either PDC or interrupt transmission */ atmel_uart_writel(port, ATMEL_US_IDR, atmel_port->tx_done_mask); + + /* Start RX if flag was set and FIFO is empty */ + if (atmel_port->hd_start_rx) { + if (!(atmel_uart_readl(port, ATMEL_US_CSR) + & ATMEL_US_TXEMPTY)) + dev_warn(port->dev, "Should start RX, but TX fifo is not empty\n"); + + atmel_port->hd_start_rx = false; + atmel_start_rx(port); + return; + } + atmel_tasklet_schedule(atmel_port, &atmel_port->tasklet_tx); } } @@ -1508,9 +1532,7 @@ static void atmel_tx_pdc(struct uart_port *port) atmel_uart_writel(port, ATMEL_US_IER, atmel_port->tx_done_mask); } else { - if (((port->rs485.flags & SER_RS485_ENABLED) && - !(port->rs485.flags & SER_RS485_RX_DURING_TX)) || - port->iso7816.flags & SER_ISO7816_ENABLED) { + if (atmel_uart_is_half_duplex(port)) { /* DMA done, stop TX, start RX for RS485 */ atmel_start_rx(port); } diff --git a/drivers/tty/serial/kgdboc.c b/drivers/tty/serial/kgdboc.c index 6fb312e7af71..bfe5e9e034ec 100644 --- a/drivers/tty/serial/kgdboc.c +++ b/drivers/tty/serial/kgdboc.c @@ -148,8 +148,10 @@ static int configure_kgdboc(void) char *cptr = config; struct console *cons; - if (!strlen(config) || isspace(config[0])) + if (!strlen(config) || isspace(config[0])) { + err = 0; goto noconfig; + } kgdboc_io_ops.is_console = 0; kgdb_tty_driver = NULL; diff --git a/drivers/tty/serial/max310x.c b/drivers/tty/serial/max310x.c index f5bdde405627..450ba6d7996c 100644 --- a/drivers/tty/serial/max310x.c +++ b/drivers/tty/serial/max310x.c @@ -1415,6 +1415,8 @@ static int max310x_spi_probe(struct spi_device *spi) if (spi->dev.of_node) { const struct of_device_id *of_id = of_match_device(max310x_dt_ids, &spi->dev); + if (!of_id) + return -ENODEV; devtype = (struct max310x_devtype *)of_id->data; } else { diff --git a/drivers/tty/serial/mvebu-uart.c b/drivers/tty/serial/mvebu-uart.c index 231f751d1ef4..7e7b1559fa36 100644 --- a/drivers/tty/serial/mvebu-uart.c +++ b/drivers/tty/serial/mvebu-uart.c @@ -810,6 +810,9 @@ static int mvebu_uart_probe(struct platform_device *pdev) return -EINVAL; } + if (!match) + return -ENODEV; + /* Assume that all UART ports have a DT alias or none has */ id = of_alias_get_id(pdev->dev.of_node, "serial"); if (!pdev->dev.of_node || id < 0) diff --git a/drivers/tty/serial/mxs-auart.c b/drivers/tty/serial/mxs-auart.c index 27235a526cce..4c188f4079b3 100644 --- a/drivers/tty/serial/mxs-auart.c +++ b/drivers/tty/serial/mxs-auart.c @@ -1686,6 +1686,10 @@ static int mxs_auart_probe(struct platform_device *pdev) s->port.mapbase = r->start; s->port.membase = ioremap(r->start, resource_size(r)); + if (!s->port.membase) { + ret = -ENOMEM; + goto out_disable_clks; + } s->port.ops = &mxs_auart_ops; s->port.iotype = UPIO_MEM; s->port.fifosize = MXS_AUART_FIFO_SIZE; diff --git a/drivers/tty/serial/qcom_geni_serial.c b/drivers/tty/serial/qcom_geni_serial.c index 3bcec1c20219..35e5f9c5d5be 100644 --- a/drivers/tty/serial/qcom_geni_serial.c +++ b/drivers/tty/serial/qcom_geni_serial.c @@ -1050,7 +1050,7 @@ static int __init qcom_geni_console_setup(struct console *co, char *options) { struct uart_port *uport; struct qcom_geni_serial_port *port; - int baud; + int baud = 9600; int bits = 8; int parity = 'n'; int flow = 'n'; diff --git a/drivers/tty/serial/sc16is7xx.c b/drivers/tty/serial/sc16is7xx.c index 635178cf3eed..09a183dfc526 100644 --- a/drivers/tty/serial/sc16is7xx.c +++ b/drivers/tty/serial/sc16is7xx.c @@ -1507,7 +1507,7 @@ static int __init sc16is7xx_init(void) ret = i2c_add_driver(&sc16is7xx_i2c_uart_driver); if (ret < 0) { pr_err("failed to init sc16is7xx i2c --> %d\n", ret); - return ret; + goto err_i2c; } #endif @@ -1515,10 +1515,18 @@ static int __init sc16is7xx_init(void) ret = spi_register_driver(&sc16is7xx_spi_uart_driver); if (ret < 0) { pr_err("failed to init sc16is7xx spi --> %d\n", ret); - return ret; + goto err_spi; } #endif return ret; + +err_spi: +#ifdef CONFIG_SERIAL_SC16IS7XX_I2C + i2c_del_driver(&sc16is7xx_i2c_uart_driver); +#endif +err_i2c: + uart_unregister_driver(&sc16is7xx_uart); + return ret; } module_init(sc16is7xx_init); diff --git a/drivers/tty/serial/sh-sci.c b/drivers/tty/serial/sh-sci.c index 060fcd42b6d5..2d1c626312cd 100644 --- a/drivers/tty/serial/sh-sci.c +++ b/drivers/tty/serial/sh-sci.c @@ -838,19 +838,9 @@ static void sci_transmit_chars(struct uart_port *port) if (uart_circ_chars_pending(xmit) < WAKEUP_CHARS) uart_write_wakeup(port); - if (uart_circ_empty(xmit)) { + if (uart_circ_empty(xmit)) sci_stop_tx(port); - } else { - ctrl = serial_port_in(port, SCSCR); - - if (port->type != PORT_SCI) { - serial_port_in(port, SCxSR); /* Dummy read */ - sci_clear_SCxSR(port, SCxSR_TDxE_CLEAR(port)); - } - ctrl |= SCSCR_TIE; - serial_port_out(port, SCSCR, ctrl); - } } /* On SH3, SCIF may read end-of-break as a space->mark char */ diff --git a/drivers/tty/tty_port.c b/drivers/tty/tty_port.c index 044c3cbdcfa4..a9e12b3bc31d 100644 --- a/drivers/tty/tty_port.c +++ b/drivers/tty/tty_port.c @@ -325,7 +325,7 @@ static void tty_port_shutdown(struct tty_port *port, struct tty_struct *tty) if (tty && C_HUPCL(tty)) tty_port_lower_dtr_rts(port); - if (port->ops->shutdown) + if (port->ops && port->ops->shutdown) port->ops->shutdown(port); } out: @@ -398,7 +398,7 @@ EXPORT_SYMBOL_GPL(tty_port_tty_wakeup); */ int tty_port_carrier_raised(struct tty_port *port) { - if (port->ops->carrier_raised == NULL) + if (!port->ops || !port->ops->carrier_raised) return 1; return port->ops->carrier_raised(port); } @@ -414,7 +414,7 @@ EXPORT_SYMBOL(tty_port_carrier_raised); */ void tty_port_raise_dtr_rts(struct tty_port *port) { - if (port->ops->dtr_rts) + if (port->ops && port->ops->dtr_rts) port->ops->dtr_rts(port, 1); } EXPORT_SYMBOL(tty_port_raise_dtr_rts); @@ -429,7 +429,7 @@ EXPORT_SYMBOL(tty_port_raise_dtr_rts); */ void tty_port_lower_dtr_rts(struct tty_port *port) { - if (port->ops->dtr_rts) + if (port->ops && port->ops->dtr_rts) port->ops->dtr_rts(port, 0); } EXPORT_SYMBOL(tty_port_lower_dtr_rts); @@ -684,7 +684,7 @@ int tty_port_open(struct tty_port *port, struct tty_struct *tty, if (!tty_port_initialized(port)) { clear_bit(TTY_IO_ERROR, &tty->flags); - if (port->ops->activate) { + if (port->ops && port->ops->activate) { int retval = port->ops->activate(port, tty); if (retval) { mutex_unlock(&port->mutex); diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c index 739f8960811a..ec666eb4b7b4 100644 --- a/drivers/usb/class/cdc-acm.c +++ b/drivers/usb/class/cdc-acm.c @@ -558,10 +558,8 @@ static void acm_softint(struct work_struct *work) clear_bit(EVENT_RX_STALL, &acm->flags); } - if (test_bit(EVENT_TTY_WAKEUP, &acm->flags)) { + if (test_and_clear_bit(EVENT_TTY_WAKEUP, &acm->flags)) tty_port_tty_wakeup(&acm->port); - clear_bit(EVENT_TTY_WAKEUP, &acm->flags); - } } /* diff --git a/drivers/usb/common/common.c b/drivers/usb/common/common.c index 48277bbc15e4..73c8e6591746 100644 --- a/drivers/usb/common/common.c +++ b/drivers/usb/common/common.c @@ -145,6 +145,8 @@ enum usb_dr_mode of_usb_get_dr_mode_by_phy(struct device_node *np, int arg0) do { controller = of_find_node_with_property(controller, "phys"); + if (!of_device_is_available(controller)) + continue; index = 0; do { if (arg0 == -1) { diff --git a/drivers/usb/core/hcd.c b/drivers/usb/core/hcd.c index 3189181bb628..975d7c1288e3 100644 --- a/drivers/usb/core/hcd.c +++ b/drivers/usb/core/hcd.c @@ -2742,6 +2742,9 @@ int usb_add_hcd(struct usb_hcd *hcd, retval = usb_phy_roothub_set_mode(hcd->phy_roothub, PHY_MODE_USB_HOST_SS); if (retval) + retval = usb_phy_roothub_set_mode(hcd->phy_roothub, + PHY_MODE_USB_HOST); + if (retval) goto err_usb_phy_roothub_power_on; retval = usb_phy_roothub_power_on(hcd->phy_roothub); diff --git a/drivers/usb/dwc3/dwc3-pci.c b/drivers/usb/dwc3/dwc3-pci.c index fdc6e4e403e8..8cced3609e24 100644 --- a/drivers/usb/dwc3/dwc3-pci.c +++ b/drivers/usb/dwc3/dwc3-pci.c @@ -29,6 +29,7 @@ #define PCI_DEVICE_ID_INTEL_BXT_M 0x1aaa #define PCI_DEVICE_ID_INTEL_APL 0x5aaa #define PCI_DEVICE_ID_INTEL_KBP 0xa2b0 +#define PCI_DEVICE_ID_INTEL_CMLH 0x02ee #define PCI_DEVICE_ID_INTEL_GLK 0x31aa #define PCI_DEVICE_ID_INTEL_CNPLP 0x9dee #define PCI_DEVICE_ID_INTEL_CNPH 0xa36e @@ -305,6 +306,9 @@ static const struct pci_device_id dwc3_pci_id_table[] = { { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_MRFLD), (kernel_ulong_t) &dwc3_pci_mrfld_properties, }, + { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_CMLH), + (kernel_ulong_t) &dwc3_pci_intel_properties, }, + { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_SPTLP), (kernel_ulong_t) &dwc3_pci_intel_properties, }, diff --git a/drivers/usb/gadget/function/f_hid.c b/drivers/usb/gadget/function/f_hid.c index 75b113a5b25c..f3816a5c861e 100644 --- a/drivers/usb/gadget/function/f_hid.c +++ b/drivers/usb/gadget/function/f_hid.c @@ -391,20 +391,20 @@ try_again: req->complete = f_hidg_req_complete; req->context = hidg; + spin_unlock_irqrestore(&hidg->write_spinlock, flags); + status = usb_ep_queue(hidg->in_ep, req, GFP_ATOMIC); if (status < 0) { ERROR(hidg->func.config->cdev, "usb_ep_queue error on int endpoint %zd\n", status); - goto release_write_pending_unlocked; + goto release_write_pending; } else { status = count; } - spin_unlock_irqrestore(&hidg->write_spinlock, flags); return status; release_write_pending: spin_lock_irqsave(&hidg->write_spinlock, flags); -release_write_pending_unlocked: hidg->write_pending = 0; spin_unlock_irqrestore(&hidg->write_spinlock, flags); diff --git a/drivers/usb/gadget/udc/net2272.c b/drivers/usb/gadget/udc/net2272.c index b77f3126580e..c2011cd7df8c 100644 --- a/drivers/usb/gadget/udc/net2272.c +++ b/drivers/usb/gadget/udc/net2272.c @@ -945,6 +945,7 @@ net2272_dequeue(struct usb_ep *_ep, struct usb_request *_req) break; } if (&req->req != _req) { + ep->stopped = stopped; spin_unlock_irqrestore(&ep->dev->lock, flags); return -EINVAL; } diff --git a/drivers/usb/gadget/udc/net2280.c b/drivers/usb/gadget/udc/net2280.c index f63f82450bf4..898339e5df10 100644 --- a/drivers/usb/gadget/udc/net2280.c +++ b/drivers/usb/gadget/udc/net2280.c @@ -866,9 +866,6 @@ static void start_queue(struct net2280_ep *ep, u32 dmactl, u32 td_dma) (void) readl(&ep->dev->pci->pcimstctl); writel(BIT(DMA_START), &dma->dmastat); - - if (!ep->is_in) - stop_out_naking(ep); } static void start_dma(struct net2280_ep *ep, struct net2280_request *req) @@ -907,6 +904,7 @@ static void start_dma(struct net2280_ep *ep, struct net2280_request *req) writel(BIT(DMA_START), &dma->dmastat); return; } + stop_out_naking(ep); } tmp = dmactl_default; @@ -1275,9 +1273,9 @@ static int net2280_dequeue(struct usb_ep *_ep, struct usb_request *_req) break; } if (&req->req != _req) { + ep->stopped = stopped; spin_unlock_irqrestore(&ep->dev->lock, flags); - dev_err(&ep->dev->pdev->dev, "%s: Request mismatch\n", - __func__); + ep_dbg(ep->dev, "%s: Request mismatch\n", __func__); return -EINVAL; } diff --git a/drivers/usb/host/u132-hcd.c b/drivers/usb/host/u132-hcd.c index 934584f0a20a..6343fbacd244 100644 --- a/drivers/usb/host/u132-hcd.c +++ b/drivers/usb/host/u132-hcd.c @@ -3204,6 +3204,9 @@ static int __init u132_hcd_init(void) printk(KERN_INFO "driver %s\n", hcd_name); workqueue = create_singlethread_workqueue("u132"); retval = platform_driver_register(&u132_platform_driver); + if (retval) + destroy_workqueue(workqueue); + return retval; } diff --git a/drivers/usb/host/xhci-dbgcap.c b/drivers/usb/host/xhci-dbgcap.c index c78be578abb0..d932cc31711e 100644 --- a/drivers/usb/host/xhci-dbgcap.c +++ b/drivers/usb/host/xhci-dbgcap.c @@ -516,7 +516,6 @@ static int xhci_do_dbc_stop(struct xhci_hcd *xhci) return -1; writel(0, &dbc->regs->control); - xhci_dbc_mem_cleanup(xhci); dbc->state = DS_DISABLED; return 0; @@ -562,8 +561,10 @@ static void xhci_dbc_stop(struct xhci_hcd *xhci) ret = xhci_do_dbc_stop(xhci); spin_unlock_irqrestore(&dbc->lock, flags); - if (!ret) + if (!ret) { + xhci_dbc_mem_cleanup(xhci); pm_runtime_put_sync(xhci_to_hcd(xhci)->self.controller); + } } static void diff --git a/drivers/usb/host/xhci-hub.c b/drivers/usb/host/xhci-hub.c index e2eece693655..96a740543183 100644 --- a/drivers/usb/host/xhci-hub.c +++ b/drivers/usb/host/xhci-hub.c @@ -1545,20 +1545,25 @@ int xhci_bus_suspend(struct usb_hcd *hcd) port_index = max_ports; while (port_index--) { u32 t1, t2; - + int retries = 10; +retry: t1 = readl(ports[port_index]->addr); t2 = xhci_port_state_to_neutral(t1); portsc_buf[port_index] = 0; - /* Bail out if a USB3 port has a new device in link training */ - if ((hcd->speed >= HCD_USB3) && + /* + * Give a USB3 port in link training time to finish, but don't + * prevent suspend as port might be stuck + */ + if ((hcd->speed >= HCD_USB3) && retries-- && (t1 & PORT_PLS_MASK) == XDEV_POLLING) { - bus_state->bus_suspended = 0; spin_unlock_irqrestore(&xhci->lock, flags); - xhci_dbg(xhci, "Bus suspend bailout, port in polling\n"); - return -EBUSY; + msleep(XHCI_PORT_POLLING_LFPS_TIME); + spin_lock_irqsave(&xhci->lock, flags); + xhci_dbg(xhci, "port %d polling in bus suspend, waiting\n", + port_index); + goto retry; } - /* suspend ports in U0, or bail out for new connect changes */ if ((t1 & PORT_PE) && (t1 & PORT_PLS_MASK) == XDEV_U0) { if ((t1 & PORT_CSC) && wake_enabled) { diff --git a/drivers/usb/host/xhci-rcar.c b/drivers/usb/host/xhci-rcar.c index a6e463715779..671bce18782c 100644 --- a/drivers/usb/host/xhci-rcar.c +++ b/drivers/usb/host/xhci-rcar.c @@ -246,6 +246,7 @@ int xhci_rcar_init_quirk(struct usb_hcd *hcd) if (!xhci_rcar_wait_for_pll_active(hcd)) return -ETIMEDOUT; + xhci->quirks |= XHCI_TRUST_TX_LENGTH; return xhci_rcar_download_firmware(hcd); } diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c index 40fa25c4d041..9215a28dad40 100644 --- a/drivers/usb/host/xhci-ring.c +++ b/drivers/usb/host/xhci-ring.c @@ -1647,10 +1647,13 @@ static void handle_port_status(struct xhci_hcd *xhci, } } - if ((portsc & PORT_PLC) && (portsc & PORT_PLS_MASK) == XDEV_U0 && - DEV_SUPERSPEED_ANY(portsc)) { + if ((portsc & PORT_PLC) && + DEV_SUPERSPEED_ANY(portsc) && + ((portsc & PORT_PLS_MASK) == XDEV_U0 || + (portsc & PORT_PLS_MASK) == XDEV_U1 || + (portsc & PORT_PLS_MASK) == XDEV_U2)) { xhci_dbg(xhci, "resume SS port %d finished\n", port_id); - /* We've just brought the device into U0 through either the + /* We've just brought the device into U0/1/2 through either the * Resume state after a device remote wakeup, or through the * U3Exit state after a host-initiated resume. If it's a device * initiated remote wake, don't pass up the link state change, diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h index 652dc36e3012..9334cdee382a 100644 --- a/drivers/usb/host/xhci.h +++ b/drivers/usb/host/xhci.h @@ -452,6 +452,14 @@ struct xhci_op_regs { */ #define XHCI_DEFAULT_BESL 4 +/* + * USB3 specification define a 360ms tPollingLFPSTiemout for USB3 ports + * to complete link training. usually link trainig completes much faster + * so check status 10 times with 36ms sleep in places we need to wait for + * polling to complete. + */ +#define XHCI_PORT_POLLING_LFPS_TIME 36 + /** * struct xhci_intr_reg - Interrupt Register Set * @irq_pending: IMAN - Interrupt Management Register. Used to enable diff --git a/drivers/usb/misc/usb251xb.c b/drivers/usb/misc/usb251xb.c index 4d72b7d1d383..04684849d683 100644 --- a/drivers/usb/misc/usb251xb.c +++ b/drivers/usb/misc/usb251xb.c @@ -547,7 +547,7 @@ static int usb251xb_get_ofdata(struct usb251xb *hub, */ hub->port_swap = USB251XB_DEF_PORT_SWAP; of_property_for_each_u32(np, "swap-dx-lanes", prop, p, port) { - if ((port >= 0) && (port <= data->port_cnt)) + if (port <= data->port_cnt) hub->port_swap |= BIT(port); } @@ -612,7 +612,7 @@ static int usb251xb_probe(struct usb251xb *hub) dev); int err; - if (np) { + if (np && of_id) { err = usb251xb_get_ofdata(hub, (struct usb251xb_data *)of_id->data); if (err) { diff --git a/drivers/usb/mtu3/Kconfig b/drivers/usb/mtu3/Kconfig index bcc23486c4ed..928c2cd6fc00 100644 --- a/drivers/usb/mtu3/Kconfig +++ b/drivers/usb/mtu3/Kconfig @@ -6,6 +6,7 @@ config USB_MTU3 tristate "MediaTek USB3 Dual Role controller" depends on USB || USB_GADGET depends on ARCH_MEDIATEK || COMPILE_TEST + depends on EXTCON || !EXTCON select USB_XHCI_MTK if USB_SUPPORT && USB_XHCI_HCD help Say Y or M here if your system runs on MediaTek SoCs with diff --git a/drivers/usb/serial/cp210x.c b/drivers/usb/serial/cp210x.c index fffe23ab0189..979bef9bfb6b 100644 --- a/drivers/usb/serial/cp210x.c +++ b/drivers/usb/serial/cp210x.c @@ -80,6 +80,7 @@ static const struct usb_device_id id_table[] = { { USB_DEVICE(0x10C4, 0x804E) }, /* Software Bisque Paramount ME build-in converter */ { USB_DEVICE(0x10C4, 0x8053) }, /* Enfora EDG1228 */ { USB_DEVICE(0x10C4, 0x8054) }, /* Enfora GSM2228 */ + { USB_DEVICE(0x10C4, 0x8056) }, /* Lorenz Messtechnik devices */ { USB_DEVICE(0x10C4, 0x8066) }, /* Argussoft In-System Programmer */ { USB_DEVICE(0x10C4, 0x806F) }, /* IMS USB to RS422 Converter Cable */ { USB_DEVICE(0x10C4, 0x807A) }, /* Crumb128 board */ diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c index 8f5b17471759..1d8461ae2c34 100644 --- a/drivers/usb/serial/ftdi_sio.c +++ b/drivers/usb/serial/ftdi_sio.c @@ -609,6 +609,8 @@ static const struct usb_device_id id_table_combined[] = { .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk }, { USB_DEVICE(FTDI_VID, FTDI_NT_ORIONLXM_PID), .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk }, + { USB_DEVICE(FTDI_VID, FTDI_NT_ORIONLX_PLUS_PID) }, + { USB_DEVICE(FTDI_VID, FTDI_NT_ORION_IO_PID) }, { USB_DEVICE(FTDI_VID, FTDI_SYNAPSE_SS200_PID) }, { USB_DEVICE(FTDI_VID, FTDI_CUSTOMWARE_MINIPLEX_PID) }, { USB_DEVICE(FTDI_VID, FTDI_CUSTOMWARE_MINIPLEX2_PID) }, diff --git a/drivers/usb/serial/ftdi_sio_ids.h b/drivers/usb/serial/ftdi_sio_ids.h index b863bedb55a1..5755f0df0025 100644 --- a/drivers/usb/serial/ftdi_sio_ids.h +++ b/drivers/usb/serial/ftdi_sio_ids.h @@ -567,7 +567,9 @@ /* * NovaTech product ids (FTDI_VID) */ -#define FTDI_NT_ORIONLXM_PID 0x7c90 /* OrionLXm Substation Automation Platform */ +#define FTDI_NT_ORIONLXM_PID 0x7c90 /* OrionLXm Substation Automation Platform */ +#define FTDI_NT_ORIONLX_PLUS_PID 0x7c91 /* OrionLX+ Substation Automation Platform */ +#define FTDI_NT_ORION_IO_PID 0x7c92 /* Orion I/O */ /* * Synapse Wireless product ids (FTDI_VID) diff --git a/drivers/usb/serial/mos7720.c b/drivers/usb/serial/mos7720.c index fc52ac75fbf6..18110225d506 100644 --- a/drivers/usb/serial/mos7720.c +++ b/drivers/usb/serial/mos7720.c @@ -366,8 +366,6 @@ static int write_parport_reg_nonblock(struct mos7715_parport *mos_parport, if (!urbtrack) return -ENOMEM; - kref_get(&mos_parport->ref_count); - urbtrack->mos_parport = mos_parport; urbtrack->urb = usb_alloc_urb(0, GFP_ATOMIC); if (!urbtrack->urb) { kfree(urbtrack); @@ -388,6 +386,8 @@ static int write_parport_reg_nonblock(struct mos7715_parport *mos_parport, usb_sndctrlpipe(usbdev, 0), (unsigned char *)urbtrack->setup, NULL, 0, async_complete, urbtrack); + kref_get(&mos_parport->ref_count); + urbtrack->mos_parport = mos_parport; kref_init(&urbtrack->ref_count); INIT_LIST_HEAD(&urbtrack->urblist_entry); diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c index 11b21d9410f3..83869065b802 100644 --- a/drivers/usb/serial/option.c +++ b/drivers/usb/serial/option.c @@ -246,6 +246,7 @@ static void option_instat_callback(struct urb *urb); #define QUECTEL_PRODUCT_EC25 0x0125 #define QUECTEL_PRODUCT_BG96 0x0296 #define QUECTEL_PRODUCT_EP06 0x0306 +#define QUECTEL_PRODUCT_EM12 0x0512 #define CMOTECH_VENDOR_ID 0x16d8 #define CMOTECH_PRODUCT_6001 0x6001 @@ -1066,7 +1067,8 @@ static const struct usb_device_id option_ids[] = { .driver_info = RSVD(3) }, { USB_DEVICE(QUALCOMM_VENDOR_ID, 0x6613)}, /* Onda H600/ZTE MF330 */ { USB_DEVICE(QUALCOMM_VENDOR_ID, 0x0023)}, /* ONYX 3G device */ - { USB_DEVICE(QUALCOMM_VENDOR_ID, 0x9000)}, /* SIMCom SIM5218 */ + { USB_DEVICE(QUALCOMM_VENDOR_ID, 0x9000), /* SIMCom SIM5218 */ + .driver_info = NCTRL(0) | NCTRL(1) | NCTRL(2) | NCTRL(3) | RSVD(4) }, /* Quectel products using Qualcomm vendor ID */ { USB_DEVICE(QUALCOMM_VENDOR_ID, QUECTEL_PRODUCT_UC15)}, { USB_DEVICE(QUALCOMM_VENDOR_ID, QUECTEL_PRODUCT_UC20), @@ -1087,6 +1089,9 @@ static const struct usb_device_id option_ids[] = { { USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EP06, 0xff, 0xff, 0xff), .driver_info = RSVD(1) | RSVD(2) | RSVD(3) | RSVD(4) | NUMEP2 }, { USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EP06, 0xff, 0, 0) }, + { USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EM12, 0xff, 0xff, 0xff), + .driver_info = RSVD(1) | RSVD(2) | RSVD(3) | RSVD(4) | NUMEP2 }, + { USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EM12, 0xff, 0, 0) }, { USB_DEVICE(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_6001) }, { USB_DEVICE(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_CMU_300) }, { USB_DEVICE(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_6003), @@ -1940,10 +1945,12 @@ static const struct usb_device_id option_ids[] = { .driver_info = RSVD(4) }, { USB_DEVICE_INTERFACE_CLASS(0x2001, 0x7e35, 0xff), /* D-Link DWM-222 */ .driver_info = RSVD(4) }, - { USB_DEVICE_AND_INTERFACE_INFO(0x07d1, 0x3e01, 0xff, 0xff, 0xff) }, /* D-Link DWM-152/C1 */ - { USB_DEVICE_AND_INTERFACE_INFO(0x07d1, 0x3e02, 0xff, 0xff, 0xff) }, /* D-Link DWM-156/C1 */ - { USB_DEVICE_AND_INTERFACE_INFO(0x07d1, 0x7e11, 0xff, 0xff, 0xff) }, /* D-Link DWM-156/A3 */ - { USB_DEVICE_INTERFACE_CLASS(0x2020, 0x4000, 0xff) }, /* OLICARD300 - MT6225 */ + { USB_DEVICE_AND_INTERFACE_INFO(0x07d1, 0x3e01, 0xff, 0xff, 0xff) }, /* D-Link DWM-152/C1 */ + { USB_DEVICE_AND_INTERFACE_INFO(0x07d1, 0x3e02, 0xff, 0xff, 0xff) }, /* D-Link DWM-156/C1 */ + { USB_DEVICE_AND_INTERFACE_INFO(0x07d1, 0x7e11, 0xff, 0xff, 0xff) }, /* D-Link DWM-156/A3 */ + { USB_DEVICE_INTERFACE_CLASS(0x2020, 0x2031, 0xff), /* Olicard 600 */ + .driver_info = RSVD(4) }, + { USB_DEVICE_INTERFACE_CLASS(0x2020, 0x4000, 0xff) }, /* OLICARD300 - MT6225 */ { USB_DEVICE(INOVIA_VENDOR_ID, INOVIA_SEW858) }, { USB_DEVICE(VIATELECOM_VENDOR_ID, VIATELECOM_PRODUCT_CDS7) }, { USB_DEVICE_AND_INTERFACE_INFO(WETELECOM_VENDOR_ID, WETELECOM_PRODUCT_WMD200, 0xff, 0xff, 0xff) }, diff --git a/drivers/usb/typec/tcpm/tcpm.c b/drivers/usb/typec/tcpm/tcpm.c index 0f62db091d8d..a2233d72ae7c 100644 --- a/drivers/usb/typec/tcpm/tcpm.c +++ b/drivers/usb/typec/tcpm/tcpm.c @@ -37,6 +37,7 @@ S(SRC_ATTACHED), \ S(SRC_STARTUP), \ S(SRC_SEND_CAPABILITIES), \ + S(SRC_SEND_CAPABILITIES_TIMEOUT), \ S(SRC_NEGOTIATE_CAPABILITIES), \ S(SRC_TRANSITION_SUPPLY), \ S(SRC_READY), \ @@ -2966,10 +2967,34 @@ static void run_state_machine(struct tcpm_port *port) /* port->hard_reset_count = 0; */ port->caps_count = 0; port->pd_capable = true; - tcpm_set_state_cond(port, hard_reset_state(port), + tcpm_set_state_cond(port, SRC_SEND_CAPABILITIES_TIMEOUT, PD_T_SEND_SOURCE_CAP); } break; + case SRC_SEND_CAPABILITIES_TIMEOUT: + /* + * Error recovery for a PD_DATA_SOURCE_CAP reply timeout. + * + * PD 2.0 sinks are supposed to accept src-capabilities with a + * 3.0 header and simply ignore any src PDOs which the sink does + * not understand such as PPS but some 2.0 sinks instead ignore + * the entire PD_DATA_SOURCE_CAP message, causing contract + * negotiation to fail. + * + * After PD_N_HARD_RESET_COUNT hard-reset attempts, we try + * sending src-capabilities with a lower PD revision to + * make these broken sinks work. + */ + if (port->hard_reset_count < PD_N_HARD_RESET_COUNT) { + tcpm_set_state(port, HARD_RESET_SEND, 0); + } else if (port->negotiated_rev > PD_REV20) { + port->negotiated_rev--; + port->hard_reset_count = 0; + tcpm_set_state(port, SRC_SEND_CAPABILITIES, 0); + } else { + tcpm_set_state(port, hard_reset_state(port), 0); + } + break; case SRC_NEGOTIATE_CAPABILITIES: ret = tcpm_pd_check_request(port); if (ret < 0) { diff --git a/drivers/usb/typec/tcpm/wcove.c b/drivers/usb/typec/tcpm/wcove.c index 423208e19383..6770afd40765 100644 --- a/drivers/usb/typec/tcpm/wcove.c +++ b/drivers/usb/typec/tcpm/wcove.c @@ -615,8 +615,13 @@ static int wcove_typec_probe(struct platform_device *pdev) wcove->dev = &pdev->dev; wcove->regmap = pmic->regmap; - irq = regmap_irq_get_virq(pmic->irq_chip_data_chgr, - platform_get_irq(pdev, 0)); + irq = platform_get_irq(pdev, 0); + if (irq < 0) { + dev_err(&pdev->dev, "Failed to get IRQ: %d\n", irq); + return irq; + } + + irq = regmap_irq_get_virq(pmic->irq_chip_data_chgr, irq); if (irq < 0) return irq; diff --git a/drivers/virt/vboxguest/vboxguest_core.c b/drivers/virt/vboxguest/vboxguest_core.c index df7d09409efe..8ca333f21292 100644 --- a/drivers/virt/vboxguest/vboxguest_core.c +++ b/drivers/virt/vboxguest/vboxguest_core.c @@ -27,6 +27,10 @@ #define GUEST_MAPPINGS_TRIES 5 +#define VBG_KERNEL_REQUEST \ + (VMMDEV_REQUESTOR_KERNEL | VMMDEV_REQUESTOR_USR_DRV | \ + VMMDEV_REQUESTOR_CON_DONT_KNOW | VMMDEV_REQUESTOR_TRUST_NOT_GIVEN) + /** * Reserves memory in which the VMM can relocate any guest mappings * that are floating around. @@ -48,7 +52,8 @@ static void vbg_guest_mappings_init(struct vbg_dev *gdev) int i, rc; /* Query the required space. */ - req = vbg_req_alloc(sizeof(*req), VMMDEVREQ_GET_HYPERVISOR_INFO); + req = vbg_req_alloc(sizeof(*req), VMMDEVREQ_GET_HYPERVISOR_INFO, + VBG_KERNEL_REQUEST); if (!req) return; @@ -135,7 +140,8 @@ static void vbg_guest_mappings_exit(struct vbg_dev *gdev) * Tell the host that we're going to free the memory we reserved for * it, the free it up. (Leak the memory if anything goes wrong here.) */ - req = vbg_req_alloc(sizeof(*req), VMMDEVREQ_SET_HYPERVISOR_INFO); + req = vbg_req_alloc(sizeof(*req), VMMDEVREQ_SET_HYPERVISOR_INFO, + VBG_KERNEL_REQUEST); if (!req) return; @@ -172,8 +178,10 @@ static int vbg_report_guest_info(struct vbg_dev *gdev) struct vmmdev_guest_info2 *req2 = NULL; int rc, ret = -ENOMEM; - req1 = vbg_req_alloc(sizeof(*req1), VMMDEVREQ_REPORT_GUEST_INFO); - req2 = vbg_req_alloc(sizeof(*req2), VMMDEVREQ_REPORT_GUEST_INFO2); + req1 = vbg_req_alloc(sizeof(*req1), VMMDEVREQ_REPORT_GUEST_INFO, + VBG_KERNEL_REQUEST); + req2 = vbg_req_alloc(sizeof(*req2), VMMDEVREQ_REPORT_GUEST_INFO2, + VBG_KERNEL_REQUEST); if (!req1 || !req2) goto out_free; @@ -187,8 +195,8 @@ static int vbg_report_guest_info(struct vbg_dev *gdev) req2->additions_minor = VBG_VERSION_MINOR; req2->additions_build = VBG_VERSION_BUILD; req2->additions_revision = VBG_SVN_REV; - /* (no features defined yet) */ - req2->additions_features = 0; + req2->additions_features = + VMMDEV_GUEST_INFO2_ADDITIONS_FEATURES_REQUESTOR_INFO; strlcpy(req2->name, VBG_VERSION_STRING, sizeof(req2->name)); @@ -230,7 +238,8 @@ static int vbg_report_driver_status(struct vbg_dev *gdev, bool active) struct vmmdev_guest_status *req; int rc; - req = vbg_req_alloc(sizeof(*req), VMMDEVREQ_REPORT_GUEST_STATUS); + req = vbg_req_alloc(sizeof(*req), VMMDEVREQ_REPORT_GUEST_STATUS, + VBG_KERNEL_REQUEST); if (!req) return -ENOMEM; @@ -423,7 +432,8 @@ static int vbg_heartbeat_host_config(struct vbg_dev *gdev, bool enabled) struct vmmdev_heartbeat *req; int rc; - req = vbg_req_alloc(sizeof(*req), VMMDEVREQ_HEARTBEAT_CONFIGURE); + req = vbg_req_alloc(sizeof(*req), VMMDEVREQ_HEARTBEAT_CONFIGURE, + VBG_KERNEL_REQUEST); if (!req) return -ENOMEM; @@ -457,7 +467,8 @@ static int vbg_heartbeat_init(struct vbg_dev *gdev) gdev->guest_heartbeat_req = vbg_req_alloc( sizeof(*gdev->guest_heartbeat_req), - VMMDEVREQ_GUEST_HEARTBEAT); + VMMDEVREQ_GUEST_HEARTBEAT, + VBG_KERNEL_REQUEST); if (!gdev->guest_heartbeat_req) return -ENOMEM; @@ -528,7 +539,8 @@ static int vbg_reset_host_event_filter(struct vbg_dev *gdev, struct vmmdev_mask *req; int rc; - req = vbg_req_alloc(sizeof(*req), VMMDEVREQ_CTL_GUEST_FILTER_MASK); + req = vbg_req_alloc(sizeof(*req), VMMDEVREQ_CTL_GUEST_FILTER_MASK, + VBG_KERNEL_REQUEST); if (!req) return -ENOMEM; @@ -567,8 +579,14 @@ static int vbg_set_session_event_filter(struct vbg_dev *gdev, u32 changed, previous; int rc, ret = 0; - /* Allocate a request buffer before taking the spinlock */ - req = vbg_req_alloc(sizeof(*req), VMMDEVREQ_CTL_GUEST_FILTER_MASK); + /* + * Allocate a request buffer before taking the spinlock, when + * the session is being terminated the requestor is the kernel, + * as we're cleaning up. + */ + req = vbg_req_alloc(sizeof(*req), VMMDEVREQ_CTL_GUEST_FILTER_MASK, + session_termination ? VBG_KERNEL_REQUEST : + session->requestor); if (!req) { if (!session_termination) return -ENOMEM; @@ -627,7 +645,8 @@ static int vbg_reset_host_capabilities(struct vbg_dev *gdev) struct vmmdev_mask *req; int rc; - req = vbg_req_alloc(sizeof(*req), VMMDEVREQ_SET_GUEST_CAPABILITIES); + req = vbg_req_alloc(sizeof(*req), VMMDEVREQ_SET_GUEST_CAPABILITIES, + VBG_KERNEL_REQUEST); if (!req) return -ENOMEM; @@ -662,8 +681,14 @@ static int vbg_set_session_capabilities(struct vbg_dev *gdev, u32 changed, previous; int rc, ret = 0; - /* Allocate a request buffer before taking the spinlock */ - req = vbg_req_alloc(sizeof(*req), VMMDEVREQ_SET_GUEST_CAPABILITIES); + /* + * Allocate a request buffer before taking the spinlock, when + * the session is being terminated the requestor is the kernel, + * as we're cleaning up. + */ + req = vbg_req_alloc(sizeof(*req), VMMDEVREQ_SET_GUEST_CAPABILITIES, + session_termination ? VBG_KERNEL_REQUEST : + session->requestor); if (!req) { if (!session_termination) return -ENOMEM; @@ -722,7 +747,8 @@ static int vbg_query_host_version(struct vbg_dev *gdev) struct vmmdev_host_version *req; int rc, ret; - req = vbg_req_alloc(sizeof(*req), VMMDEVREQ_GET_HOST_VERSION); + req = vbg_req_alloc(sizeof(*req), VMMDEVREQ_GET_HOST_VERSION, + VBG_KERNEL_REQUEST); if (!req) return -ENOMEM; @@ -783,19 +809,24 @@ int vbg_core_init(struct vbg_dev *gdev, u32 fixed_events) gdev->mem_balloon.get_req = vbg_req_alloc(sizeof(*gdev->mem_balloon.get_req), - VMMDEVREQ_GET_MEMBALLOON_CHANGE_REQ); + VMMDEVREQ_GET_MEMBALLOON_CHANGE_REQ, + VBG_KERNEL_REQUEST); gdev->mem_balloon.change_req = vbg_req_alloc(sizeof(*gdev->mem_balloon.change_req), - VMMDEVREQ_CHANGE_MEMBALLOON); + VMMDEVREQ_CHANGE_MEMBALLOON, + VBG_KERNEL_REQUEST); gdev->cancel_req = vbg_req_alloc(sizeof(*(gdev->cancel_req)), - VMMDEVREQ_HGCM_CANCEL2); + VMMDEVREQ_HGCM_CANCEL2, + VBG_KERNEL_REQUEST); gdev->ack_events_req = vbg_req_alloc(sizeof(*gdev->ack_events_req), - VMMDEVREQ_ACKNOWLEDGE_EVENTS); + VMMDEVREQ_ACKNOWLEDGE_EVENTS, + VBG_KERNEL_REQUEST); gdev->mouse_status_req = vbg_req_alloc(sizeof(*gdev->mouse_status_req), - VMMDEVREQ_GET_MOUSE_STATUS); + VMMDEVREQ_GET_MOUSE_STATUS, + VBG_KERNEL_REQUEST); if (!gdev->mem_balloon.get_req || !gdev->mem_balloon.change_req || !gdev->cancel_req || !gdev->ack_events_req || @@ -892,9 +923,9 @@ void vbg_core_exit(struct vbg_dev *gdev) * vboxguest_linux.c calls this when userspace opens the char-device. * Return: A pointer to the new session or an ERR_PTR on error. * @gdev: The Guest extension device. - * @user: Set if this is a session for the vboxuser device. + * @requestor: VMMDEV_REQUESTOR_* flags */ -struct vbg_session *vbg_core_open_session(struct vbg_dev *gdev, bool user) +struct vbg_session *vbg_core_open_session(struct vbg_dev *gdev, u32 requestor) { struct vbg_session *session; @@ -903,7 +934,7 @@ struct vbg_session *vbg_core_open_session(struct vbg_dev *gdev, bool user) return ERR_PTR(-ENOMEM); session->gdev = gdev; - session->user_session = user; + session->requestor = requestor; return session; } @@ -924,7 +955,9 @@ void vbg_core_close_session(struct vbg_session *session) if (!session->hgcm_client_ids[i]) continue; - vbg_hgcm_disconnect(gdev, session->hgcm_client_ids[i], &rc); + /* requestor is kernel here, as we're cleaning up. */ + vbg_hgcm_disconnect(gdev, VBG_KERNEL_REQUEST, + session->hgcm_client_ids[i], &rc); } kfree(session); @@ -1152,7 +1185,8 @@ static int vbg_req_allowed(struct vbg_dev *gdev, struct vbg_session *session, return -EPERM; } - if (trusted_apps_only && session->user_session) { + if (trusted_apps_only && + (session->requestor & VMMDEV_REQUESTOR_USER_DEVICE)) { vbg_err("Denying userspace vmm call type %#08x through vboxuser device node\n", req->request_type); return -EPERM; @@ -1209,8 +1243,8 @@ static int vbg_ioctl_hgcm_connect(struct vbg_dev *gdev, if (i >= ARRAY_SIZE(session->hgcm_client_ids)) return -EMFILE; - ret = vbg_hgcm_connect(gdev, &conn->u.in.loc, &client_id, - &conn->hdr.rc); + ret = vbg_hgcm_connect(gdev, session->requestor, &conn->u.in.loc, + &client_id, &conn->hdr.rc); mutex_lock(&gdev->session_mutex); if (ret == 0 && conn->hdr.rc >= 0) { @@ -1251,7 +1285,8 @@ static int vbg_ioctl_hgcm_disconnect(struct vbg_dev *gdev, if (i >= ARRAY_SIZE(session->hgcm_client_ids)) return -EINVAL; - ret = vbg_hgcm_disconnect(gdev, client_id, &disconn->hdr.rc); + ret = vbg_hgcm_disconnect(gdev, session->requestor, client_id, + &disconn->hdr.rc); mutex_lock(&gdev->session_mutex); if (ret == 0 && disconn->hdr.rc >= 0) @@ -1313,12 +1348,12 @@ static int vbg_ioctl_hgcm_call(struct vbg_dev *gdev, } if (IS_ENABLED(CONFIG_COMPAT) && f32bit) - ret = vbg_hgcm_call32(gdev, client_id, + ret = vbg_hgcm_call32(gdev, session->requestor, client_id, call->function, call->timeout_ms, VBG_IOCTL_HGCM_CALL_PARMS32(call), call->parm_count, &call->hdr.rc); else - ret = vbg_hgcm_call(gdev, client_id, + ret = vbg_hgcm_call(gdev, session->requestor, client_id, call->function, call->timeout_ms, VBG_IOCTL_HGCM_CALL_PARMS(call), call->parm_count, &call->hdr.rc); @@ -1408,6 +1443,7 @@ static int vbg_ioctl_check_balloon(struct vbg_dev *gdev, } static int vbg_ioctl_write_core_dump(struct vbg_dev *gdev, + struct vbg_session *session, struct vbg_ioctl_write_coredump *dump) { struct vmmdev_write_core_dump *req; @@ -1415,7 +1451,8 @@ static int vbg_ioctl_write_core_dump(struct vbg_dev *gdev, if (vbg_ioctl_chk(&dump->hdr, sizeof(dump->u.in), 0)) return -EINVAL; - req = vbg_req_alloc(sizeof(*req), VMMDEVREQ_WRITE_COREDUMP); + req = vbg_req_alloc(sizeof(*req), VMMDEVREQ_WRITE_COREDUMP, + session->requestor); if (!req) return -ENOMEM; @@ -1476,7 +1513,7 @@ int vbg_core_ioctl(struct vbg_session *session, unsigned int req, void *data) case VBG_IOCTL_CHECK_BALLOON: return vbg_ioctl_check_balloon(gdev, data); case VBG_IOCTL_WRITE_CORE_DUMP: - return vbg_ioctl_write_core_dump(gdev, data); + return vbg_ioctl_write_core_dump(gdev, session, data); } /* Variable sized requests. */ @@ -1508,7 +1545,8 @@ int vbg_core_set_mouse_status(struct vbg_dev *gdev, u32 features) struct vmmdev_mouse_status *req; int rc; - req = vbg_req_alloc(sizeof(*req), VMMDEVREQ_SET_MOUSE_STATUS); + req = vbg_req_alloc(sizeof(*req), VMMDEVREQ_SET_MOUSE_STATUS, + VBG_KERNEL_REQUEST); if (!req) return -ENOMEM; diff --git a/drivers/virt/vboxguest/vboxguest_core.h b/drivers/virt/vboxguest/vboxguest_core.h index 7ad9ec45bfa9..4188c12b839f 100644 --- a/drivers/virt/vboxguest/vboxguest_core.h +++ b/drivers/virt/vboxguest/vboxguest_core.h @@ -154,15 +154,15 @@ struct vbg_session { * host. Protected by vbg_gdev.session_mutex. */ u32 guest_caps; - /** Does this session belong to a root process or a user one? */ - bool user_session; + /** VMMDEV_REQUESTOR_* flags */ + u32 requestor; /** Set on CANCEL_ALL_WAITEVENTS, protected by vbg_devevent_spinlock. */ bool cancel_waiters; }; int vbg_core_init(struct vbg_dev *gdev, u32 fixed_events); void vbg_core_exit(struct vbg_dev *gdev); -struct vbg_session *vbg_core_open_session(struct vbg_dev *gdev, bool user); +struct vbg_session *vbg_core_open_session(struct vbg_dev *gdev, u32 requestor); void vbg_core_close_session(struct vbg_session *session); int vbg_core_ioctl(struct vbg_session *session, unsigned int req, void *data); int vbg_core_set_mouse_status(struct vbg_dev *gdev, u32 features); @@ -172,12 +172,13 @@ irqreturn_t vbg_core_isr(int irq, void *dev_id); void vbg_linux_mouse_event(struct vbg_dev *gdev); /* Private (non exported) functions form vboxguest_utils.c */ -void *vbg_req_alloc(size_t len, enum vmmdev_request_type req_type); +void *vbg_req_alloc(size_t len, enum vmmdev_request_type req_type, + u32 requestor); void vbg_req_free(void *req, size_t len); int vbg_req_perform(struct vbg_dev *gdev, void *req); int vbg_hgcm_call32( - struct vbg_dev *gdev, u32 client_id, u32 function, u32 timeout_ms, - struct vmmdev_hgcm_function_parameter32 *parm32, u32 parm_count, - int *vbox_status); + struct vbg_dev *gdev, u32 requestor, u32 client_id, u32 function, + u32 timeout_ms, struct vmmdev_hgcm_function_parameter32 *parm32, + u32 parm_count, int *vbox_status); #endif diff --git a/drivers/virt/vboxguest/vboxguest_linux.c b/drivers/virt/vboxguest/vboxguest_linux.c index 6e2a9619192d..6e8c0f1c1056 100644 --- a/drivers/virt/vboxguest/vboxguest_linux.c +++ b/drivers/virt/vboxguest/vboxguest_linux.c @@ -5,6 +5,7 @@ * Copyright (C) 2006-2016 Oracle Corporation */ +#include <linux/cred.h> #include <linux/input.h> #include <linux/kernel.h> #include <linux/miscdevice.h> @@ -28,6 +29,23 @@ static DEFINE_MUTEX(vbg_gdev_mutex); /** Global vbg_gdev pointer used by vbg_get/put_gdev. */ static struct vbg_dev *vbg_gdev; +static u32 vbg_misc_device_requestor(struct inode *inode) +{ + u32 requestor = VMMDEV_REQUESTOR_USERMODE | + VMMDEV_REQUESTOR_CON_DONT_KNOW | + VMMDEV_REQUESTOR_TRUST_NOT_GIVEN; + + if (from_kuid(current_user_ns(), current->cred->uid) == 0) + requestor |= VMMDEV_REQUESTOR_USR_ROOT; + else + requestor |= VMMDEV_REQUESTOR_USR_USER; + + if (in_egroup_p(inode->i_gid)) + requestor |= VMMDEV_REQUESTOR_GRP_VBOX; + + return requestor; +} + static int vbg_misc_device_open(struct inode *inode, struct file *filp) { struct vbg_session *session; @@ -36,7 +54,7 @@ static int vbg_misc_device_open(struct inode *inode, struct file *filp) /* misc_open sets filp->private_data to our misc device */ gdev = container_of(filp->private_data, struct vbg_dev, misc_device); - session = vbg_core_open_session(gdev, false); + session = vbg_core_open_session(gdev, vbg_misc_device_requestor(inode)); if (IS_ERR(session)) return PTR_ERR(session); @@ -53,7 +71,8 @@ static int vbg_misc_device_user_open(struct inode *inode, struct file *filp) gdev = container_of(filp->private_data, struct vbg_dev, misc_device_user); - session = vbg_core_open_session(gdev, false); + session = vbg_core_open_session(gdev, vbg_misc_device_requestor(inode) | + VMMDEV_REQUESTOR_USER_DEVICE); if (IS_ERR(session)) return PTR_ERR(session); @@ -115,7 +134,8 @@ static long vbg_misc_device_ioctl(struct file *filp, unsigned int req, req == VBG_IOCTL_VMMDEV_REQUEST_BIG; if (is_vmmdev_req) - buf = vbg_req_alloc(size, VBG_IOCTL_HDR_TYPE_DEFAULT); + buf = vbg_req_alloc(size, VBG_IOCTL_HDR_TYPE_DEFAULT, + session->requestor); else buf = kmalloc(size, GFP_KERNEL); if (!buf) diff --git a/drivers/virt/vboxguest/vboxguest_utils.c b/drivers/virt/vboxguest/vboxguest_utils.c index bf4474214b4d..75fd140b02ff 100644 --- a/drivers/virt/vboxguest/vboxguest_utils.c +++ b/drivers/virt/vboxguest/vboxguest_utils.c @@ -62,7 +62,8 @@ VBG_LOG(vbg_err, pr_err); VBG_LOG(vbg_debug, pr_debug); #endif -void *vbg_req_alloc(size_t len, enum vmmdev_request_type req_type) +void *vbg_req_alloc(size_t len, enum vmmdev_request_type req_type, + u32 requestor) { struct vmmdev_request_header *req; int order = get_order(PAGE_ALIGN(len)); @@ -78,7 +79,7 @@ void *vbg_req_alloc(size_t len, enum vmmdev_request_type req_type) req->request_type = req_type; req->rc = VERR_GENERAL_FAILURE; req->reserved1 = 0; - req->reserved2 = 0; + req->requestor = requestor; return req; } @@ -119,7 +120,7 @@ static bool hgcm_req_done(struct vbg_dev *gdev, return done; } -int vbg_hgcm_connect(struct vbg_dev *gdev, +int vbg_hgcm_connect(struct vbg_dev *gdev, u32 requestor, struct vmmdev_hgcm_service_location *loc, u32 *client_id, int *vbox_status) { @@ -127,7 +128,7 @@ int vbg_hgcm_connect(struct vbg_dev *gdev, int rc; hgcm_connect = vbg_req_alloc(sizeof(*hgcm_connect), - VMMDEVREQ_HGCM_CONNECT); + VMMDEVREQ_HGCM_CONNECT, requestor); if (!hgcm_connect) return -ENOMEM; @@ -153,13 +154,15 @@ int vbg_hgcm_connect(struct vbg_dev *gdev, } EXPORT_SYMBOL(vbg_hgcm_connect); -int vbg_hgcm_disconnect(struct vbg_dev *gdev, u32 client_id, int *vbox_status) +int vbg_hgcm_disconnect(struct vbg_dev *gdev, u32 requestor, + u32 client_id, int *vbox_status) { struct vmmdev_hgcm_disconnect *hgcm_disconnect = NULL; int rc; hgcm_disconnect = vbg_req_alloc(sizeof(*hgcm_disconnect), - VMMDEVREQ_HGCM_DISCONNECT); + VMMDEVREQ_HGCM_DISCONNECT, + requestor); if (!hgcm_disconnect) return -ENOMEM; @@ -593,9 +596,10 @@ static int hgcm_call_copy_back_result( return 0; } -int vbg_hgcm_call(struct vbg_dev *gdev, u32 client_id, u32 function, - u32 timeout_ms, struct vmmdev_hgcm_function_parameter *parms, - u32 parm_count, int *vbox_status) +int vbg_hgcm_call(struct vbg_dev *gdev, u32 requestor, u32 client_id, + u32 function, u32 timeout_ms, + struct vmmdev_hgcm_function_parameter *parms, u32 parm_count, + int *vbox_status) { struct vmmdev_hgcm_call *call; void **bounce_bufs = NULL; @@ -615,7 +619,7 @@ int vbg_hgcm_call(struct vbg_dev *gdev, u32 client_id, u32 function, goto free_bounce_bufs; } - call = vbg_req_alloc(size, VMMDEVREQ_HGCM_CALL); + call = vbg_req_alloc(size, VMMDEVREQ_HGCM_CALL, requestor); if (!call) { ret = -ENOMEM; goto free_bounce_bufs; @@ -647,9 +651,9 @@ EXPORT_SYMBOL(vbg_hgcm_call); #ifdef CONFIG_COMPAT int vbg_hgcm_call32( - struct vbg_dev *gdev, u32 client_id, u32 function, u32 timeout_ms, - struct vmmdev_hgcm_function_parameter32 *parm32, u32 parm_count, - int *vbox_status) + struct vbg_dev *gdev, u32 requestor, u32 client_id, u32 function, + u32 timeout_ms, struct vmmdev_hgcm_function_parameter32 *parm32, + u32 parm_count, int *vbox_status) { struct vmmdev_hgcm_function_parameter *parm64 = NULL; u32 i, size; @@ -689,7 +693,7 @@ int vbg_hgcm_call32( goto out_free; } - ret = vbg_hgcm_call(gdev, client_id, function, timeout_ms, + ret = vbg_hgcm_call(gdev, requestor, client_id, function, timeout_ms, parm64, parm_count, vbox_status); if (ret < 0) goto out_free; diff --git a/drivers/virt/vboxguest/vboxguest_version.h b/drivers/virt/vboxguest/vboxguest_version.h index 77f0c8f8a231..84834dad38d5 100644 --- a/drivers/virt/vboxguest/vboxguest_version.h +++ b/drivers/virt/vboxguest/vboxguest_version.h @@ -9,11 +9,10 @@ #ifndef __VBOX_VERSION_H__ #define __VBOX_VERSION_H__ -/* Last synced October 4th 2017 */ -#define VBG_VERSION_MAJOR 5 -#define VBG_VERSION_MINOR 2 +#define VBG_VERSION_MAJOR 6 +#define VBG_VERSION_MINOR 0 #define VBG_VERSION_BUILD 0 -#define VBG_SVN_REV 68940 -#define VBG_VERSION_STRING "5.2.0" +#define VBG_SVN_REV 127566 +#define VBG_VERSION_STRING "6.0.0" #endif diff --git a/drivers/virt/vboxguest/vmmdev.h b/drivers/virt/vboxguest/vmmdev.h index 5e2ae978935d..6337b8d75d96 100644 --- a/drivers/virt/vboxguest/vmmdev.h +++ b/drivers/virt/vboxguest/vmmdev.h @@ -98,8 +98,8 @@ struct vmmdev_request_header { s32 rc; /** Reserved field no.1. MBZ. */ u32 reserved1; - /** Reserved field no.2. MBZ. */ - u32 reserved2; + /** IN: Requestor information (VMMDEV_REQUESTOR_*) */ + u32 requestor; }; VMMDEV_ASSERT_SIZE(vmmdev_request_header, 24); @@ -247,6 +247,8 @@ struct vmmdev_guest_info { }; VMMDEV_ASSERT_SIZE(vmmdev_guest_info, 24 + 8); +#define VMMDEV_GUEST_INFO2_ADDITIONS_FEATURES_REQUESTOR_INFO BIT(0) + /** struct vmmdev_guestinfo2 - Guest information report, version 2. */ struct vmmdev_guest_info2 { /** Header. */ @@ -259,7 +261,7 @@ struct vmmdev_guest_info2 { u32 additions_build; /** SVN revision. */ u32 additions_revision; - /** Feature mask, currently unused. */ + /** Feature mask. */ u32 additions_features; /** * The intentional meaning of this field was: diff --git a/fs/afs/fsclient.c b/fs/afs/fsclient.c index ca08c83168f5..0b37867b5c20 100644 --- a/fs/afs/fsclient.c +++ b/fs/afs/fsclient.c @@ -1515,8 +1515,8 @@ static int afs_fs_setattr_size64(struct afs_fs_cursor *fc, struct iattr *attr) xdr_encode_AFS_StoreStatus(&bp, attr); - *bp++ = 0; /* position of start of write */ - *bp++ = 0; + *bp++ = htonl(attr->ia_size >> 32); /* position of start of write */ + *bp++ = htonl((u32) attr->ia_size); *bp++ = 0; /* size of write */ *bp++ = 0; *bp++ = htonl(attr->ia_size >> 32); /* new file length */ @@ -1564,7 +1564,7 @@ static int afs_fs_setattr_size(struct afs_fs_cursor *fc, struct iattr *attr) xdr_encode_AFS_StoreStatus(&bp, attr); - *bp++ = 0; /* position of start of write */ + *bp++ = htonl(attr->ia_size); /* position of start of write */ *bp++ = 0; /* size of write */ *bp++ = htonl(attr->ia_size); /* new file length */ diff --git a/fs/afs/yfsclient.c b/fs/afs/yfsclient.c index 5aa57929e8c2..6e97a42d24d1 100644 --- a/fs/afs/yfsclient.c +++ b/fs/afs/yfsclient.c @@ -1514,7 +1514,7 @@ static int yfs_fs_setattr_size(struct afs_fs_cursor *fc, struct iattr *attr) bp = xdr_encode_u32(bp, 0); /* RPC flags */ bp = xdr_encode_YFSFid(bp, &vnode->fid); bp = xdr_encode_YFS_StoreStatus(bp, attr); - bp = xdr_encode_u64(bp, 0); /* position of start of write */ + bp = xdr_encode_u64(bp, attr->ia_size); /* position of start of write */ bp = xdr_encode_u64(bp, 0); /* size of write */ bp = xdr_encode_u64(bp, attr->ia_size); /* new file length */ yfs_check_req(call, bp); diff --git a/fs/block_dev.c b/fs/block_dev.c index e9faa52bb489..78d3257435c0 100644 --- a/fs/block_dev.c +++ b/fs/block_dev.c @@ -336,12 +336,14 @@ static void blkdev_bio_end_io(struct bio *bio) if (should_dirty) { bio_check_pages_dirty(bio); } else { - struct bio_vec *bvec; - int i; - struct bvec_iter_all iter_all; + if (!bio_flagged(bio, BIO_NO_PAGE_REF)) { + struct bvec_iter_all iter_all; + struct bio_vec *bvec; + int i; - bio_for_each_segment_all(bvec, bio, i, iter_all) - put_page(bvec->bv_page); + bio_for_each_segment_all(bvec, bio, i, iter_all) + put_page(bvec->bv_page); + } bio_put(bio); } } diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c index 1d49694e6ae3..c5880329ae37 100644 --- a/fs/btrfs/extent-tree.c +++ b/fs/btrfs/extent-tree.c @@ -6174,7 +6174,7 @@ static void btrfs_calculate_inode_block_rsv_size(struct btrfs_fs_info *fs_info, * * This is overestimating in most cases. */ - qgroup_rsv_size = outstanding_extents * fs_info->nodesize; + qgroup_rsv_size = (u64)outstanding_extents * fs_info->nodesize; spin_lock(&block_rsv->lock); block_rsv->size = reserve_size; diff --git a/fs/btrfs/qgroup.c b/fs/btrfs/qgroup.c index eb680b715dd6..e659d9d61107 100644 --- a/fs/btrfs/qgroup.c +++ b/fs/btrfs/qgroup.c @@ -1922,8 +1922,8 @@ static int qgroup_trace_new_subtree_blocks(struct btrfs_trans_handle* trans, int i; /* Level sanity check */ - if (cur_level < 0 || cur_level >= BTRFS_MAX_LEVEL || - root_level < 0 || root_level >= BTRFS_MAX_LEVEL || + if (cur_level < 0 || cur_level >= BTRFS_MAX_LEVEL - 1 || + root_level < 0 || root_level >= BTRFS_MAX_LEVEL - 1 || root_level < cur_level) { btrfs_err_rl(fs_info, "%s: bad levels, cur_level=%d root_level=%d", diff --git a/fs/btrfs/raid56.c b/fs/btrfs/raid56.c index 1869ba8e5981..67a6f7d47402 100644 --- a/fs/btrfs/raid56.c +++ b/fs/btrfs/raid56.c @@ -2430,8 +2430,9 @@ static noinline void finish_parity_scrub(struct btrfs_raid_bio *rbio, bitmap_clear(rbio->dbitmap, pagenr, 1); kunmap(p); - for (stripe = 0; stripe < rbio->real_stripes; stripe++) + for (stripe = 0; stripe < nr_data; stripe++) kunmap(page_in_rbio(rbio, stripe, pagenr, 0)); + kunmap(p_page); } __free_page(p_page); diff --git a/fs/btrfs/transaction.c b/fs/btrfs/transaction.c index acdad6d658f5..e4e665f422fc 100644 --- a/fs/btrfs/transaction.c +++ b/fs/btrfs/transaction.c @@ -1886,8 +1886,10 @@ static void btrfs_cleanup_pending_block_groups(struct btrfs_trans_handle *trans) } } -static inline int btrfs_start_delalloc_flush(struct btrfs_fs_info *fs_info) +static inline int btrfs_start_delalloc_flush(struct btrfs_trans_handle *trans) { + struct btrfs_fs_info *fs_info = trans->fs_info; + /* * We use writeback_inodes_sb here because if we used * btrfs_start_delalloc_roots we would deadlock with fs freeze. @@ -1897,15 +1899,50 @@ static inline int btrfs_start_delalloc_flush(struct btrfs_fs_info *fs_info) * from already being in a transaction and our join_transaction doesn't * have to re-take the fs freeze lock. */ - if (btrfs_test_opt(fs_info, FLUSHONCOMMIT)) + if (btrfs_test_opt(fs_info, FLUSHONCOMMIT)) { writeback_inodes_sb(fs_info->sb, WB_REASON_SYNC); + } else { + struct btrfs_pending_snapshot *pending; + struct list_head *head = &trans->transaction->pending_snapshots; + + /* + * Flush dellaloc for any root that is going to be snapshotted. + * This is done to avoid a corrupted version of files, in the + * snapshots, that had both buffered and direct IO writes (even + * if they were done sequentially) due to an unordered update of + * the inode's size on disk. + */ + list_for_each_entry(pending, head, list) { + int ret; + + ret = btrfs_start_delalloc_snapshot(pending->root); + if (ret) + return ret; + } + } return 0; } -static inline void btrfs_wait_delalloc_flush(struct btrfs_fs_info *fs_info) +static inline void btrfs_wait_delalloc_flush(struct btrfs_trans_handle *trans) { - if (btrfs_test_opt(fs_info, FLUSHONCOMMIT)) + struct btrfs_fs_info *fs_info = trans->fs_info; + + if (btrfs_test_opt(fs_info, FLUSHONCOMMIT)) { btrfs_wait_ordered_roots(fs_info, U64_MAX, 0, (u64)-1); + } else { + struct btrfs_pending_snapshot *pending; + struct list_head *head = &trans->transaction->pending_snapshots; + + /* + * Wait for any dellaloc that we started previously for the roots + * that are going to be snapshotted. This is to avoid a corrupted + * version of files in the snapshots that had both buffered and + * direct IO writes (even if they were done sequentially). + */ + list_for_each_entry(pending, head, list) + btrfs_wait_ordered_extents(pending->root, + U64_MAX, 0, U64_MAX); + } } int btrfs_commit_transaction(struct btrfs_trans_handle *trans) @@ -2023,7 +2060,7 @@ int btrfs_commit_transaction(struct btrfs_trans_handle *trans) extwriter_counter_dec(cur_trans, trans->type); - ret = btrfs_start_delalloc_flush(fs_info); + ret = btrfs_start_delalloc_flush(trans); if (ret) goto cleanup_transaction; @@ -2039,7 +2076,7 @@ int btrfs_commit_transaction(struct btrfs_trans_handle *trans) if (ret) goto cleanup_transaction; - btrfs_wait_delalloc_flush(fs_info); + btrfs_wait_delalloc_flush(trans); btrfs_scrub_pause(fs_info); /* diff --git a/fs/btrfs/tree-log.c b/fs/btrfs/tree-log.c index f06454a55e00..561884f60d35 100644 --- a/fs/btrfs/tree-log.c +++ b/fs/btrfs/tree-log.c @@ -3578,9 +3578,16 @@ static noinline int log_dir_items(struct btrfs_trans_handle *trans, } btrfs_release_path(path); - /* find the first key from this transaction again */ + /* + * Find the first key from this transaction again. See the note for + * log_new_dir_dentries, if we're logging a directory recursively we + * won't be holding its i_mutex, which means we can modify the directory + * while we're logging it. If we remove an entry between our first + * search and this search we'll not find the key again and can just + * bail. + */ ret = btrfs_search_slot(NULL, root, &min_key, path, 0, 0); - if (WARN_ON(ret != 0)) + if (ret != 0) goto done; /* @@ -4544,6 +4551,19 @@ static int logged_inode_size(struct btrfs_root *log, struct btrfs_inode *inode, item = btrfs_item_ptr(path->nodes[0], path->slots[0], struct btrfs_inode_item); *size_ret = btrfs_inode_size(path->nodes[0], item); + /* + * If the in-memory inode's i_size is smaller then the inode + * size stored in the btree, return the inode's i_size, so + * that we get a correct inode size after replaying the log + * when before a power failure we had a shrinking truncate + * followed by addition of a new name (rename / new hard link). + * Otherwise return the inode size from the btree, to avoid + * data loss when replaying a log due to previously doing a + * write that expands the inode's size and logging a new name + * immediately after. + */ + if (*size_ret > inode->vfs_inode.i_size) + *size_ret = inode->vfs_inode.i_size; } btrfs_release_path(path); @@ -4705,15 +4725,8 @@ static int btrfs_log_trailing_hole(struct btrfs_trans_handle *trans, struct btrfs_file_extent_item); if (btrfs_file_extent_type(leaf, extent) == - BTRFS_FILE_EXTENT_INLINE) { - len = btrfs_file_extent_ram_bytes(leaf, extent); - ASSERT(len == i_size || - (len == fs_info->sectorsize && - btrfs_file_extent_compression(leaf, extent) != - BTRFS_COMPRESS_NONE) || - (len < i_size && i_size < fs_info->sectorsize)); + BTRFS_FILE_EXTENT_INLINE) return 0; - } len = btrfs_file_extent_num_bytes(leaf, extent); /* Last extent goes beyond i_size, no need to log a hole. */ diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c index 9024eee889b9..db934ceae9c1 100644 --- a/fs/btrfs/volumes.c +++ b/fs/btrfs/volumes.c @@ -6407,7 +6407,7 @@ static void btrfs_end_bio(struct bio *bio) if (bio_op(bio) == REQ_OP_WRITE) btrfs_dev_stat_inc_and_print(dev, BTRFS_DEV_STAT_WRITE_ERRS); - else + else if (!(bio->bi_opf & REQ_RAHEAD)) btrfs_dev_stat_inc_and_print(dev, BTRFS_DEV_STAT_READ_ERRS); if (bio->bi_opf & REQ_PREFLUSH) diff --git a/fs/ceph/inode.c b/fs/ceph/inode.c index e3346628efe2..2d61ddda9bf5 100644 --- a/fs/ceph/inode.c +++ b/fs/ceph/inode.c @@ -524,6 +524,7 @@ static void ceph_i_callback(struct rcu_head *head) struct inode *inode = container_of(head, struct inode, i_rcu); struct ceph_inode_info *ci = ceph_inode(inode); + kfree(ci->i_symlink); kmem_cache_free(ceph_inode_cachep, ci); } @@ -566,7 +567,6 @@ void ceph_destroy_inode(struct inode *inode) } } - kfree(ci->i_symlink); while ((n = rb_first(&ci->i_fragtree)) != NULL) { frag = rb_entry(n, struct ceph_inode_frag, node); rb_erase(n, &ci->i_fragtree); diff --git a/fs/cifs/cifsfs.c b/fs/cifs/cifsfs.c index 217276b8b942..f9b71c12cc9f 100644 --- a/fs/cifs/cifsfs.c +++ b/fs/cifs/cifsfs.c @@ -1008,7 +1008,7 @@ static loff_t cifs_remap_file_range(struct file *src_file, loff_t off, unsigned int xid; int rc; - if (remap_flags & ~REMAP_FILE_ADVISORY) + if (remap_flags & ~(REMAP_FILE_DEDUP | REMAP_FILE_ADVISORY)) return -EINVAL; cifs_dbg(FYI, "clone range\n"); diff --git a/fs/cifs/cifsfs.h b/fs/cifs/cifsfs.h index 142164ef1f05..5c0298b9998f 100644 --- a/fs/cifs/cifsfs.h +++ b/fs/cifs/cifsfs.h @@ -150,5 +150,5 @@ extern long cifs_ioctl(struct file *filep, unsigned int cmd, unsigned long arg); extern const struct export_operations cifs_export_ops; #endif /* CONFIG_CIFS_NFSD_EXPORT */ -#define CIFS_VERSION "2.18" +#define CIFS_VERSION "2.19" #endif /* _CIFSFS_H */ diff --git a/fs/cifs/file.c b/fs/cifs/file.c index 2a6d20c0ce02..89006e044973 100644 --- a/fs/cifs/file.c +++ b/fs/cifs/file.c @@ -2632,43 +2632,56 @@ cifs_resend_wdata(struct cifs_writedata *wdata, struct list_head *wdata_list, struct TCP_Server_Info *server = tlink_tcon(wdata->cfile->tlink)->ses->server; - /* - * Wait for credits to resend this wdata. - * Note: we are attempting to resend the whole wdata not in segments - */ do { - rc = server->ops->wait_mtu_credits(server, wdata->bytes, &wsize, - &credits); + if (wdata->cfile->invalidHandle) { + rc = cifs_reopen_file(wdata->cfile, false); + if (rc == -EAGAIN) + continue; + else if (rc) + break; + } - if (rc) - goto out; - if (wsize < wdata->bytes) { - add_credits_and_wake_if(server, &credits, 0); - msleep(1000); - } - } while (wsize < wdata->bytes); + /* + * Wait for credits to resend this wdata. + * Note: we are attempting to resend the whole wdata not in + * segments + */ + do { + rc = server->ops->wait_mtu_credits(server, wdata->bytes, + &wsize, &credits); + if (rc) + goto fail; + + if (wsize < wdata->bytes) { + add_credits_and_wake_if(server, &credits, 0); + msleep(1000); + } + } while (wsize < wdata->bytes); + wdata->credits = credits; - wdata->credits = credits; - rc = -EAGAIN; - while (rc == -EAGAIN) { - rc = 0; - if (wdata->cfile->invalidHandle) - rc = cifs_reopen_file(wdata->cfile, false); - if (!rc) - rc = server->ops->async_writev(wdata, + rc = adjust_credits(server, &wdata->credits, wdata->bytes); + + if (!rc) { + if (wdata->cfile->invalidHandle) + rc = -EAGAIN; + else + rc = server->ops->async_writev(wdata, cifs_uncached_writedata_release); - } + } - if (!rc) { - list_add_tail(&wdata->list, wdata_list); - return 0; - } + /* If the write was successfully sent, we are done */ + if (!rc) { + list_add_tail(&wdata->list, wdata_list); + return 0; + } - add_credits_and_wake_if(server, &wdata->credits, 0); -out: - kref_put(&wdata->refcount, cifs_uncached_writedata_release); + /* Roll back credits and retry if needed */ + add_credits_and_wake_if(server, &wdata->credits, 0); + } while (rc == -EAGAIN); +fail: + kref_put(&wdata->refcount, cifs_uncached_writedata_release); return rc; } @@ -2896,12 +2909,12 @@ restart_loop: wdata->bytes, &tmp_from, ctx->cfile, cifs_sb, &tmp_list, ctx); + + kref_put(&wdata->refcount, + cifs_uncached_writedata_release); } list_splice(&tmp_list, &ctx->list); - - kref_put(&wdata->refcount, - cifs_uncached_writedata_release); goto restart_loop; } } @@ -3348,44 +3361,55 @@ static int cifs_resend_rdata(struct cifs_readdata *rdata, struct TCP_Server_Info *server = tlink_tcon(rdata->cfile->tlink)->ses->server; - /* - * Wait for credits to resend this rdata. - * Note: we are attempting to resend the whole rdata not in segments - */ do { - rc = server->ops->wait_mtu_credits(server, rdata->bytes, + if (rdata->cfile->invalidHandle) { + rc = cifs_reopen_file(rdata->cfile, true); + if (rc == -EAGAIN) + continue; + else if (rc) + break; + } + + /* + * Wait for credits to resend this rdata. + * Note: we are attempting to resend the whole rdata not in + * segments + */ + do { + rc = server->ops->wait_mtu_credits(server, rdata->bytes, &rsize, &credits); - if (rc) - goto out; + if (rc) + goto fail; - if (rsize < rdata->bytes) { - add_credits_and_wake_if(server, &credits, 0); - msleep(1000); - } - } while (rsize < rdata->bytes); + if (rsize < rdata->bytes) { + add_credits_and_wake_if(server, &credits, 0); + msleep(1000); + } + } while (rsize < rdata->bytes); + rdata->credits = credits; - rdata->credits = credits; - rc = -EAGAIN; - while (rc == -EAGAIN) { - rc = 0; - if (rdata->cfile->invalidHandle) - rc = cifs_reopen_file(rdata->cfile, true); - if (!rc) - rc = server->ops->async_readv(rdata); - } + rc = adjust_credits(server, &rdata->credits, rdata->bytes); + if (!rc) { + if (rdata->cfile->invalidHandle) + rc = -EAGAIN; + else + rc = server->ops->async_readv(rdata); + } - if (!rc) { - /* Add to aio pending list */ - list_add_tail(&rdata->list, rdata_list); - return 0; - } + /* If the read was successfully sent, we are done */ + if (!rc) { + /* Add to aio pending list */ + list_add_tail(&rdata->list, rdata_list); + return 0; + } - add_credits_and_wake_if(server, &rdata->credits, 0); -out: - kref_put(&rdata->refcount, - cifs_uncached_readdata_release); + /* Roll back credits and retry if needed */ + add_credits_and_wake_if(server, &rdata->credits, 0); + } while (rc == -EAGAIN); +fail: + kref_put(&rdata->refcount, cifs_uncached_readdata_release); return rc; } diff --git a/fs/cifs/smb2maperror.c b/fs/cifs/smb2maperror.c index 924269cec135..e32c264e3adb 100644 --- a/fs/cifs/smb2maperror.c +++ b/fs/cifs/smb2maperror.c @@ -1036,7 +1036,8 @@ static const struct status_to_posix_error smb2_error_map_table[] = { {STATUS_UNFINISHED_CONTEXT_DELETED, -EIO, "STATUS_UNFINISHED_CONTEXT_DELETED"}, {STATUS_NO_TGT_REPLY, -EIO, "STATUS_NO_TGT_REPLY"}, - {STATUS_OBJECTID_NOT_FOUND, -EIO, "STATUS_OBJECTID_NOT_FOUND"}, + /* Note that ENOATTTR and ENODATA are the same errno */ + {STATUS_OBJECTID_NOT_FOUND, -ENODATA, "STATUS_OBJECTID_NOT_FOUND"}, {STATUS_NO_IP_ADDRESSES, -EIO, "STATUS_NO_IP_ADDRESSES"}, {STATUS_WRONG_CREDENTIAL_HANDLE, -EIO, "STATUS_WRONG_CREDENTIAL_HANDLE"}, diff --git a/fs/cifs/smb2pdu.c b/fs/cifs/smb2pdu.c index c399e09b76e6..21ac19ff19cb 100644 --- a/fs/cifs/smb2pdu.c +++ b/fs/cifs/smb2pdu.c @@ -1628,9 +1628,16 @@ SMB2_tcon(const unsigned int xid, struct cifs_ses *ses, const char *tree, iov[1].iov_base = unc_path; iov[1].iov_len = unc_path_len; - /* 3.11 tcon req must be signed if not encrypted. See MS-SMB2 3.2.4.1.1 */ + /* + * 3.11 tcon req must be signed if not encrypted. See MS-SMB2 3.2.4.1.1 + * unless it is guest or anonymous user. See MS-SMB2 3.2.5.3.1 + * (Samba servers don't always set the flag so also check if null user) + */ if ((ses->server->dialect == SMB311_PROT_ID) && - !smb3_encryption_required(tcon)) + !smb3_encryption_required(tcon) && + !(ses->session_flags & + (SMB2_SESSION_FLAG_IS_GUEST|SMB2_SESSION_FLAG_IS_NULL)) && + ((ses->user_name != NULL) || (ses->sectype == Kerberos))) req->sync_hdr.Flags |= SMB2_FLAGS_SIGNED; memset(&rqst, 0, sizeof(struct smb_rqst)); diff --git a/fs/cifs/trace.h b/fs/cifs/trace.h index fa226de48ef3..99c4d799c24b 100644 --- a/fs/cifs/trace.h +++ b/fs/cifs/trace.h @@ -549,19 +549,19 @@ DECLARE_EVENT_CLASS(smb3_tcon_class, __field(unsigned int, xid) __field(__u32, tid) __field(__u64, sesid) - __field(const char *, unc_name) + __string(name, unc_name) __field(int, rc) ), TP_fast_assign( __entry->xid = xid; __entry->tid = tid; __entry->sesid = sesid; - __entry->unc_name = unc_name; + __assign_str(name, unc_name); __entry->rc = rc; ), TP_printk("xid=%u sid=0x%llx tid=0x%x unc_name=%s rc=%d", __entry->xid, __entry->sesid, __entry->tid, - __entry->unc_name, __entry->rc) + __get_str(name), __entry->rc) ) #define DEFINE_SMB3_TCON_EVENT(name) \ diff --git a/fs/ext4/ext4_jbd2.h b/fs/ext4/ext4_jbd2.h index a1ac7e9245ec..75a5309f2231 100644 --- a/fs/ext4/ext4_jbd2.h +++ b/fs/ext4/ext4_jbd2.h @@ -384,7 +384,7 @@ static inline void ext4_update_inode_fsync_trans(handle_t *handle, { struct ext4_inode_info *ei = EXT4_I(inode); - if (ext4_handle_valid(handle)) { + if (ext4_handle_valid(handle) && !is_handle_aborted(handle)) { ei->i_sync_tid = handle->h_transaction->t_tid; if (datasync) ei->i_datasync_tid = handle->h_transaction->t_tid; diff --git a/fs/ext4/file.c b/fs/ext4/file.c index 69d65d49837b..98ec11f69cd4 100644 --- a/fs/ext4/file.c +++ b/fs/ext4/file.c @@ -125,7 +125,7 @@ ext4_unaligned_aio(struct inode *inode, struct iov_iter *from, loff_t pos) struct super_block *sb = inode->i_sb; int blockmask = sb->s_blocksize - 1; - if (pos >= i_size_read(inode)) + if (pos >= ALIGN(i_size_read(inode), sb->s_blocksize)) return 0; if ((pos | iov_iter_alignment(from)) & blockmask) diff --git a/fs/ext4/indirect.c b/fs/ext4/indirect.c index c2225f0d31b5..2024d3fa5504 100644 --- a/fs/ext4/indirect.c +++ b/fs/ext4/indirect.c @@ -1222,6 +1222,7 @@ int ext4_ind_remove_space(handle_t *handle, struct inode *inode, ext4_lblk_t offsets[4], offsets2[4]; Indirect chain[4], chain2[4]; Indirect *partial, *partial2; + Indirect *p = NULL, *p2 = NULL; ext4_lblk_t max_block; __le32 nr = 0, nr2 = 0; int n = 0, n2 = 0; @@ -1263,7 +1264,7 @@ int ext4_ind_remove_space(handle_t *handle, struct inode *inode, } - partial = ext4_find_shared(inode, n, offsets, chain, &nr); + partial = p = ext4_find_shared(inode, n, offsets, chain, &nr); if (nr) { if (partial == chain) { /* Shared branch grows from the inode */ @@ -1288,13 +1289,11 @@ int ext4_ind_remove_space(handle_t *handle, struct inode *inode, partial->p + 1, (__le32 *)partial->bh->b_data+addr_per_block, (chain+n-1) - partial); - BUFFER_TRACE(partial->bh, "call brelse"); - brelse(partial->bh); partial--; } end_range: - partial2 = ext4_find_shared(inode, n2, offsets2, chain2, &nr2); + partial2 = p2 = ext4_find_shared(inode, n2, offsets2, chain2, &nr2); if (nr2) { if (partial2 == chain2) { /* @@ -1324,16 +1323,14 @@ end_range: (__le32 *)partial2->bh->b_data, partial2->p, (chain2+n2-1) - partial2); - BUFFER_TRACE(partial2->bh, "call brelse"); - brelse(partial2->bh); partial2--; } goto do_indirects; } /* Punch happened within the same level (n == n2) */ - partial = ext4_find_shared(inode, n, offsets, chain, &nr); - partial2 = ext4_find_shared(inode, n2, offsets2, chain2, &nr2); + partial = p = ext4_find_shared(inode, n, offsets, chain, &nr); + partial2 = p2 = ext4_find_shared(inode, n2, offsets2, chain2, &nr2); /* Free top, but only if partial2 isn't its subtree. */ if (nr) { @@ -1390,11 +1387,7 @@ end_range: partial->p + 1, partial2->p, (chain+n-1) - partial); - BUFFER_TRACE(partial->bh, "call brelse"); - brelse(partial->bh); - BUFFER_TRACE(partial2->bh, "call brelse"); - brelse(partial2->bh); - return 0; + goto cleanup; } /* @@ -1409,8 +1402,6 @@ end_range: partial->p + 1, (__le32 *)partial->bh->b_data+addr_per_block, (chain+n-1) - partial); - BUFFER_TRACE(partial->bh, "call brelse"); - brelse(partial->bh); partial--; } if (partial2 > chain2 && depth2 <= depth) { @@ -1418,11 +1409,21 @@ end_range: (__le32 *)partial2->bh->b_data, partial2->p, (chain2+n2-1) - partial2); - BUFFER_TRACE(partial2->bh, "call brelse"); - brelse(partial2->bh); partial2--; } } + +cleanup: + while (p && p > chain) { + BUFFER_TRACE(p->bh, "call brelse"); + brelse(p->bh); + p--; + } + while (p2 && p2 > chain2) { + BUFFER_TRACE(p2->bh, "call brelse"); + brelse(p2->bh); + p2--; + } return 0; do_indirects: @@ -1430,7 +1431,7 @@ do_indirects: switch (offsets[0]) { default: if (++n >= n2) - return 0; + break; nr = i_data[EXT4_IND_BLOCK]; if (nr) { ext4_free_branches(handle, inode, NULL, &nr, &nr+1, 1); @@ -1439,7 +1440,7 @@ do_indirects: /* fall through */ case EXT4_IND_BLOCK: if (++n >= n2) - return 0; + break; nr = i_data[EXT4_DIND_BLOCK]; if (nr) { ext4_free_branches(handle, inode, NULL, &nr, &nr+1, 2); @@ -1448,7 +1449,7 @@ do_indirects: /* fall through */ case EXT4_DIND_BLOCK: if (++n >= n2) - return 0; + break; nr = i_data[EXT4_TIND_BLOCK]; if (nr) { ext4_free_branches(handle, inode, NULL, &nr, &nr+1, 3); @@ -1458,5 +1459,5 @@ do_indirects: case EXT4_TIND_BLOCK: ; } - return 0; + goto cleanup; } diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c index b54b261ded36..b32a57bc5d5d 100644 --- a/fs/ext4/inode.c +++ b/fs/ext4/inode.c @@ -6080,36 +6080,6 @@ out: return; } -#if 0 -/* - * Bind an inode's backing buffer_head into this transaction, to prevent - * it from being flushed to disk early. Unlike - * ext4_reserve_inode_write, this leaves behind no bh reference and - * returns no iloc structure, so the caller needs to repeat the iloc - * lookup to mark the inode dirty later. - */ -static int ext4_pin_inode(handle_t *handle, struct inode *inode) -{ - struct ext4_iloc iloc; - - int err = 0; - if (handle) { - err = ext4_get_inode_loc(inode, &iloc); - if (!err) { - BUFFER_TRACE(iloc.bh, "get_write_access"); - err = jbd2_journal_get_write_access(handle, iloc.bh); - if (!err) - err = ext4_handle_dirty_metadata(handle, - NULL, - iloc.bh); - brelse(iloc.bh); - } - } - ext4_std_error(inode->i_sb, err); - return err; -} -#endif - int ext4_change_inode_journal_flag(struct inode *inode, int val) { journal_t *journal; diff --git a/fs/ext4/ioctl.c b/fs/ext4/ioctl.c index 3c4f8bb59f8a..bab3da4f1e0d 100644 --- a/fs/ext4/ioctl.c +++ b/fs/ext4/ioctl.c @@ -1000,6 +1000,13 @@ resizefs_out: if (!blk_queue_discard(q)) return -EOPNOTSUPP; + /* + * We haven't replayed the journal, so we cannot use our + * block-bitmap-guided storage zapping commands. + */ + if (test_opt(sb, NOLOAD) && ext4_has_feature_journal(sb)) + return -EROFS; + if (copy_from_user(&range, (struct fstrim_range __user *)arg, sizeof(range))) return -EFAULT; diff --git a/fs/ext4/resize.c b/fs/ext4/resize.c index 3d9b18505c0c..e7ae26e36c9c 100644 --- a/fs/ext4/resize.c +++ b/fs/ext4/resize.c @@ -932,11 +932,18 @@ static int add_new_gdb_meta_bg(struct super_block *sb, memcpy(n_group_desc, o_group_desc, EXT4_SB(sb)->s_gdb_count * sizeof(struct buffer_head *)); n_group_desc[gdb_num] = gdb_bh; + + BUFFER_TRACE(gdb_bh, "get_write_access"); + err = ext4_journal_get_write_access(handle, gdb_bh); + if (err) { + kvfree(n_group_desc); + brelse(gdb_bh); + return err; + } + EXT4_SB(sb)->s_group_desc = n_group_desc; EXT4_SB(sb)->s_gdb_count++; kvfree(o_group_desc); - BUFFER_TRACE(gdb_bh, "get_write_access"); - err = ext4_journal_get_write_access(handle, gdb_bh); return err; } @@ -2073,6 +2080,10 @@ out: free_flex_gd(flex_gd); if (resize_inode != NULL) iput(resize_inode); - ext4_msg(sb, KERN_INFO, "resized filesystem to %llu", n_blocks_count); + if (err) + ext4_warning(sb, "error (%d) occurred during " + "file system resize", err); + ext4_msg(sb, KERN_INFO, "resized filesystem to %llu", + ext4_blocks_count(es)); return err; } diff --git a/fs/ext4/super.c b/fs/ext4/super.c index f5b828bf1299..6ed4eb81e674 100644 --- a/fs/ext4/super.c +++ b/fs/ext4/super.c @@ -430,6 +430,12 @@ static void ext4_journal_commit_callback(journal_t *journal, transaction_t *txn) spin_unlock(&sbi->s_md_lock); } +static bool system_going_down(void) +{ + return system_state == SYSTEM_HALT || system_state == SYSTEM_POWER_OFF + || system_state == SYSTEM_RESTART; +} + /* Deal with the reporting of failure conditions on a filesystem such as * inconsistencies detected or read IO failures. * @@ -460,7 +466,12 @@ static void ext4_handle_error(struct super_block *sb) if (journal) jbd2_journal_abort(journal, -EIO); } - if (test_opt(sb, ERRORS_RO)) { + /* + * We force ERRORS_RO behavior when system is rebooting. Otherwise we + * could panic during 'reboot -f' as the underlying device got already + * disabled. + */ + if (test_opt(sb, ERRORS_RO) || system_going_down()) { ext4_msg(sb, KERN_CRIT, "Remounting filesystem read-only"); /* * Make sure updated value of ->s_mount_flags will be visible @@ -468,8 +479,7 @@ static void ext4_handle_error(struct super_block *sb) */ smp_wmb(); sb->s_flags |= SB_RDONLY; - } - if (test_opt(sb, ERRORS_PANIC)) { + } else if (test_opt(sb, ERRORS_PANIC)) { if (EXT4_SB(sb)->s_journal && !(EXT4_SB(sb)->s_journal->j_flags & JBD2_REC_ERR)) return; diff --git a/fs/fs_parser.c b/fs/fs_parser.c index 842e8f749db6..570d71043acf 100644 --- a/fs/fs_parser.c +++ b/fs/fs_parser.c @@ -410,7 +410,7 @@ bool fs_validate_description(const struct fs_parameter_description *desc) for (param = desc->specs; param->name; param++) { if (param->opt == e->opt && param->type != fs_param_is_enum) { - pr_err("VALIDATE %s: e[%lu] enum val for %s\n", + pr_err("VALIDATE %s: e[%tu] enum val for %s\n", name, e - desc->enums, param->name); good = false; } diff --git a/fs/io_uring.c b/fs/io_uring.c index c88088d92613..bbdbd56cf2ac 100644 --- a/fs/io_uring.c +++ b/fs/io_uring.c @@ -189,17 +189,28 @@ struct sqe_submit { bool needs_fixed_file; }; +/* + * First field must be the file pointer in all the + * iocb unions! See also 'struct kiocb' in <linux/fs.h> + */ struct io_poll_iocb { struct file *file; struct wait_queue_head *head; __poll_t events; - bool woken; + bool done; bool canceled; struct wait_queue_entry wait; }; +/* + * NOTE! Each of the iocb union members has the file pointer + * as the first entry in their struct definition. So you can + * access the file pointer through any of the sub-structs, + * or directly as just 'ki_filp' in this struct. + */ struct io_kiocb { union { + struct file *file; struct kiocb rw; struct io_poll_iocb poll; }; @@ -214,6 +225,7 @@ struct io_kiocb { #define REQ_F_IOPOLL_COMPLETED 2 /* polled IO has completed */ #define REQ_F_FIXED_FILE 4 /* ctx owns file */ #define REQ_F_SEQ_PREV 8 /* sequential with previous */ +#define REQ_F_PREPPED 16 /* prep already done */ u64 user_data; u64 error; @@ -355,20 +367,25 @@ static void io_cqring_fill_event(struct io_ring_ctx *ctx, u64 ki_user_data, } } -static void io_cqring_add_event(struct io_ring_ctx *ctx, u64 ki_user_data, +static void io_cqring_ev_posted(struct io_ring_ctx *ctx) +{ + if (waitqueue_active(&ctx->wait)) + wake_up(&ctx->wait); + if (waitqueue_active(&ctx->sqo_wait)) + wake_up(&ctx->sqo_wait); +} + +static void io_cqring_add_event(struct io_ring_ctx *ctx, u64 user_data, long res, unsigned ev_flags) { unsigned long flags; spin_lock_irqsave(&ctx->completion_lock, flags); - io_cqring_fill_event(ctx, ki_user_data, res, ev_flags); + io_cqring_fill_event(ctx, user_data, res, ev_flags); io_commit_cqring(ctx); spin_unlock_irqrestore(&ctx->completion_lock, flags); - if (waitqueue_active(&ctx->wait)) - wake_up(&ctx->wait); - if (waitqueue_active(&ctx->sqo_wait)) - wake_up(&ctx->sqo_wait); + io_cqring_ev_posted(ctx); } static void io_ring_drop_ctx_refs(struct io_ring_ctx *ctx, unsigned refs) @@ -382,13 +399,14 @@ static void io_ring_drop_ctx_refs(struct io_ring_ctx *ctx, unsigned refs) static struct io_kiocb *io_get_req(struct io_ring_ctx *ctx, struct io_submit_state *state) { + gfp_t gfp = GFP_KERNEL | __GFP_NOWARN; struct io_kiocb *req; if (!percpu_ref_tryget(&ctx->refs)) return NULL; if (!state) { - req = kmem_cache_alloc(req_cachep, __GFP_NOWARN); + req = kmem_cache_alloc(req_cachep, gfp); if (unlikely(!req)) goto out; } else if (!state->free_reqs) { @@ -396,10 +414,18 @@ static struct io_kiocb *io_get_req(struct io_ring_ctx *ctx, int ret; sz = min_t(size_t, state->ios_left, ARRAY_SIZE(state->reqs)); - ret = kmem_cache_alloc_bulk(req_cachep, __GFP_NOWARN, sz, - state->reqs); - if (unlikely(ret <= 0)) - goto out; + ret = kmem_cache_alloc_bulk(req_cachep, gfp, sz, state->reqs); + + /* + * Bulk alloc is all-or-nothing. If we fail to get a batch, + * retry single alloc to be on the safe side. + */ + if (unlikely(ret <= 0)) { + state->reqs[0] = kmem_cache_alloc(req_cachep, gfp); + if (!state->reqs[0]) + goto out; + ret = 1; + } state->free_reqs = ret - 1; state->cur_req = 1; req = state->reqs[0]; @@ -411,7 +437,8 @@ static struct io_kiocb *io_get_req(struct io_ring_ctx *ctx, req->ctx = ctx; req->flags = 0; - refcount_set(&req->refs, 0); + /* one is dropped after submission, the other at completion */ + refcount_set(&req->refs, 2); return req; out: io_ring_drop_ctx_refs(ctx, 1); @@ -429,10 +456,16 @@ static void io_free_req_many(struct io_ring_ctx *ctx, void **reqs, int *nr) static void io_free_req(struct io_kiocb *req) { - if (!refcount_read(&req->refs) || refcount_dec_and_test(&req->refs)) { - io_ring_drop_ctx_refs(req->ctx, 1); - kmem_cache_free(req_cachep, req); - } + if (req->file && !(req->flags & REQ_F_FIXED_FILE)) + fput(req->file); + io_ring_drop_ctx_refs(req->ctx, 1); + kmem_cache_free(req_cachep, req); +} + +static void io_put_req(struct io_kiocb *req) +{ + if (refcount_dec_and_test(&req->refs)) + io_free_req(req); } /* @@ -442,44 +475,34 @@ static void io_iopoll_complete(struct io_ring_ctx *ctx, unsigned int *nr_events, struct list_head *done) { void *reqs[IO_IOPOLL_BATCH]; - int file_count, to_free; - struct file *file = NULL; struct io_kiocb *req; + int to_free; - file_count = to_free = 0; + to_free = 0; while (!list_empty(done)) { req = list_first_entry(done, struct io_kiocb, list); list_del(&req->list); io_cqring_fill_event(ctx, req->user_data, req->error, 0); - - reqs[to_free++] = req; (*nr_events)++; - /* - * Batched puts of the same file, to avoid dirtying the - * file usage count multiple times, if avoidable. - */ - if (!(req->flags & REQ_F_FIXED_FILE)) { - if (!file) { - file = req->rw.ki_filp; - file_count = 1; - } else if (file == req->rw.ki_filp) { - file_count++; + if (refcount_dec_and_test(&req->refs)) { + /* If we're not using fixed files, we have to pair the + * completion part with the file put. Use regular + * completions for those, only batch free for fixed + * file. + */ + if (req->flags & REQ_F_FIXED_FILE) { + reqs[to_free++] = req; + if (to_free == ARRAY_SIZE(reqs)) + io_free_req_many(ctx, reqs, &to_free); } else { - fput_many(file, file_count); - file = req->rw.ki_filp; - file_count = 1; + io_free_req(req); } } - - if (to_free == ARRAY_SIZE(reqs)) - io_free_req_many(ctx, reqs, &to_free); } - io_commit_cqring(ctx); - if (file) - fput_many(file, file_count); + io_commit_cqring(ctx); io_free_req_many(ctx, reqs, &to_free); } @@ -602,21 +625,14 @@ static void kiocb_end_write(struct kiocb *kiocb) } } -static void io_fput(struct io_kiocb *req) -{ - if (!(req->flags & REQ_F_FIXED_FILE)) - fput(req->rw.ki_filp); -} - static void io_complete_rw(struct kiocb *kiocb, long res, long res2) { struct io_kiocb *req = container_of(kiocb, struct io_kiocb, rw); kiocb_end_write(kiocb); - io_fput(req); io_cqring_add_event(req->ctx, req->user_data, res, 0); - io_free_req(req); + io_put_req(req); } static void io_complete_rw_iopoll(struct kiocb *kiocb, long res, long res2) @@ -731,31 +747,18 @@ static int io_prep_rw(struct io_kiocb *req, const struct sqe_submit *s, const struct io_uring_sqe *sqe = s->sqe; struct io_ring_ctx *ctx = req->ctx; struct kiocb *kiocb = &req->rw; - unsigned ioprio, flags; - int fd, ret; + unsigned ioprio; + int ret; + if (!req->file) + return -EBADF; /* For -EAGAIN retry, everything is already prepped */ - if (kiocb->ki_filp) + if (req->flags & REQ_F_PREPPED) return 0; - flags = READ_ONCE(sqe->flags); - fd = READ_ONCE(sqe->fd); + if (force_nonblock && !io_file_supports_async(req->file)) + force_nonblock = false; - if (flags & IOSQE_FIXED_FILE) { - if (unlikely(!ctx->user_files || - (unsigned) fd >= ctx->nr_user_files)) - return -EBADF; - kiocb->ki_filp = ctx->user_files[fd]; - req->flags |= REQ_F_FIXED_FILE; - } else { - if (s->needs_fixed_file) - return -EBADF; - kiocb->ki_filp = io_file_get(state, fd); - if (unlikely(!kiocb->ki_filp)) - return -EBADF; - if (force_nonblock && !io_file_supports_async(kiocb->ki_filp)) - force_nonblock = false; - } kiocb->ki_pos = READ_ONCE(sqe->off); kiocb->ki_flags = iocb_flags(kiocb->ki_filp); kiocb->ki_hint = ki_hint_validate(file_write_hint(kiocb->ki_filp)); @@ -764,7 +767,7 @@ static int io_prep_rw(struct io_kiocb *req, const struct sqe_submit *s, if (ioprio) { ret = ioprio_check_cap(ioprio); if (ret) - goto out_fput; + return ret; kiocb->ki_ioprio = ioprio; } else @@ -772,38 +775,26 @@ static int io_prep_rw(struct io_kiocb *req, const struct sqe_submit *s, ret = kiocb_set_rw_flags(kiocb, READ_ONCE(sqe->rw_flags)); if (unlikely(ret)) - goto out_fput; + return ret; if (force_nonblock) { kiocb->ki_flags |= IOCB_NOWAIT; req->flags |= REQ_F_FORCE_NONBLOCK; } if (ctx->flags & IORING_SETUP_IOPOLL) { - ret = -EOPNOTSUPP; if (!(kiocb->ki_flags & IOCB_DIRECT) || !kiocb->ki_filp->f_op->iopoll) - goto out_fput; + return -EOPNOTSUPP; req->error = 0; kiocb->ki_flags |= IOCB_HIPRI; kiocb->ki_complete = io_complete_rw_iopoll; } else { - if (kiocb->ki_flags & IOCB_HIPRI) { - ret = -EINVAL; - goto out_fput; - } + if (kiocb->ki_flags & IOCB_HIPRI) + return -EINVAL; kiocb->ki_complete = io_complete_rw; } + req->flags |= REQ_F_PREPPED; return 0; -out_fput: - if (!(flags & IOSQE_FIXED_FILE)) { - /* - * in case of error, we didn't use this file reference. drop it. - */ - if (state) - state->used_refs--; - io_file_put(state, kiocb->ki_filp); - } - return ret; } static inline void io_rw_done(struct kiocb *kiocb, ssize_t ret) @@ -864,6 +855,9 @@ static int io_import_fixed(struct io_ring_ctx *ctx, int rw, iov_iter_bvec(iter, rw, imu->bvec, imu->nr_bvecs, offset + len); if (offset) iov_iter_advance(iter, offset); + + /* don't drop a reference to these pages */ + iter->type |= ITER_BVEC_FLAG_NO_REF; return 0; } @@ -887,7 +881,7 @@ static int io_import_iovec(struct io_ring_ctx *ctx, int rw, opcode = READ_ONCE(sqe->opcode); if (opcode == IORING_OP_READ_FIXED || opcode == IORING_OP_WRITE_FIXED) { - ssize_t ret = io_import_fixed(ctx, rw, sqe, iter); + int ret = io_import_fixed(ctx, rw, sqe, iter); *iovec = NULL; return ret; } @@ -945,31 +939,29 @@ static void io_async_list_note(int rw, struct io_kiocb *req, size_t len) async_list->io_end = io_end; } -static ssize_t io_read(struct io_kiocb *req, const struct sqe_submit *s, - bool force_nonblock, struct io_submit_state *state) +static int io_read(struct io_kiocb *req, const struct sqe_submit *s, + bool force_nonblock, struct io_submit_state *state) { struct iovec inline_vecs[UIO_FASTIOV], *iovec = inline_vecs; struct kiocb *kiocb = &req->rw; struct iov_iter iter; struct file *file; size_t iov_count; - ssize_t ret; + int ret; ret = io_prep_rw(req, s, force_nonblock, state); if (ret) return ret; file = kiocb->ki_filp; - ret = -EBADF; if (unlikely(!(file->f_mode & FMODE_READ))) - goto out_fput; - ret = -EINVAL; + return -EBADF; if (unlikely(!file->f_op->read_iter)) - goto out_fput; + return -EINVAL; ret = io_import_iovec(req->ctx, READ, s, &iovec, &iter); if (ret) - goto out_fput; + return ret; iov_count = iov_iter_count(&iter); ret = rw_verify_area(READ, file, &kiocb->ki_pos, iov_count); @@ -991,38 +983,32 @@ static ssize_t io_read(struct io_kiocb *req, const struct sqe_submit *s, } } kfree(iovec); -out_fput: - /* Hold on to the file for -EAGAIN */ - if (unlikely(ret && ret != -EAGAIN)) - io_fput(req); return ret; } -static ssize_t io_write(struct io_kiocb *req, const struct sqe_submit *s, - bool force_nonblock, struct io_submit_state *state) +static int io_write(struct io_kiocb *req, const struct sqe_submit *s, + bool force_nonblock, struct io_submit_state *state) { struct iovec inline_vecs[UIO_FASTIOV], *iovec = inline_vecs; struct kiocb *kiocb = &req->rw; struct iov_iter iter; struct file *file; size_t iov_count; - ssize_t ret; + int ret; ret = io_prep_rw(req, s, force_nonblock, state); if (ret) return ret; - ret = -EBADF; file = kiocb->ki_filp; if (unlikely(!(file->f_mode & FMODE_WRITE))) - goto out_fput; - ret = -EINVAL; + return -EBADF; if (unlikely(!file->f_op->write_iter)) - goto out_fput; + return -EINVAL; ret = io_import_iovec(req->ctx, WRITE, s, &iovec, &iter); if (ret) - goto out_fput; + return ret; iov_count = iov_iter_count(&iter); @@ -1036,6 +1022,8 @@ static ssize_t io_write(struct io_kiocb *req, const struct sqe_submit *s, ret = rw_verify_area(WRITE, file, &kiocb->ki_pos, iov_count); if (!ret) { + ssize_t ret2; + /* * Open-code file_start_write here to grab freeze protection, * which will be released by another thread in @@ -1050,14 +1038,22 @@ static ssize_t io_write(struct io_kiocb *req, const struct sqe_submit *s, SB_FREEZE_WRITE); } kiocb->ki_flags |= IOCB_WRITE; - io_rw_done(kiocb, call_write_iter(file, kiocb, &iter)); + + ret2 = call_write_iter(file, kiocb, &iter); + if (!force_nonblock || ret2 != -EAGAIN) { + io_rw_done(kiocb, ret2); + } else { + /* + * If ->needs_lock is true, we're already in async + * context. + */ + if (!s->needs_lock) + io_async_list_note(WRITE, req, iov_count); + ret = -EAGAIN; + } } out_free: kfree(iovec); -out_fput: - /* Hold on to the file for -EAGAIN */ - if (unlikely(ret && ret != -EAGAIN)) - io_fput(req); return ret; } @@ -1072,29 +1068,19 @@ static int io_nop(struct io_kiocb *req, u64 user_data) if (unlikely(ctx->flags & IORING_SETUP_IOPOLL)) return -EINVAL; - /* - * Twilight zone - it's possible that someone issued an opcode that - * has a file attached, then got -EAGAIN on submission, and changed - * the sqe before we retried it from async context. Avoid dropping - * a file reference for this malicious case, and flag the error. - */ - if (req->rw.ki_filp) { - err = -EBADF; - io_fput(req); - } io_cqring_add_event(ctx, user_data, err, 0); - io_free_req(req); + io_put_req(req); return 0; } static int io_prep_fsync(struct io_kiocb *req, const struct io_uring_sqe *sqe) { struct io_ring_ctx *ctx = req->ctx; - unsigned flags; - int fd; - /* Prep already done */ - if (req->rw.ki_filp) + if (!req->file) + return -EBADF; + /* Prep already done (EAGAIN retry) */ + if (req->flags & REQ_F_PREPPED) return 0; if (unlikely(ctx->flags & IORING_SETUP_IOPOLL)) @@ -1102,20 +1088,7 @@ static int io_prep_fsync(struct io_kiocb *req, const struct io_uring_sqe *sqe) if (unlikely(sqe->addr || sqe->ioprio || sqe->buf_index)) return -EINVAL; - fd = READ_ONCE(sqe->fd); - flags = READ_ONCE(sqe->flags); - - if (flags & IOSQE_FIXED_FILE) { - if (unlikely(!ctx->user_files || fd >= ctx->nr_user_files)) - return -EBADF; - req->rw.ki_filp = ctx->user_files[fd]; - req->flags |= REQ_F_FIXED_FILE; - } else { - req->rw.ki_filp = fget(fd); - if (unlikely(!req->rw.ki_filp)) - return -EBADF; - } - + req->flags |= REQ_F_PREPPED; return 0; } @@ -1144,9 +1117,8 @@ static int io_fsync(struct io_kiocb *req, const struct io_uring_sqe *sqe, end > 0 ? end : LLONG_MAX, fsync_flags & IORING_FSYNC_DATASYNC); - io_fput(req); io_cqring_add_event(req->ctx, sqe->user_data, ret, 0); - io_free_req(req); + io_put_req(req); return 0; } @@ -1204,15 +1176,16 @@ static int io_poll_remove(struct io_kiocb *req, const struct io_uring_sqe *sqe) spin_unlock_irq(&ctx->completion_lock); io_cqring_add_event(req->ctx, sqe->user_data, ret, 0); - io_free_req(req); + io_put_req(req); return 0; } -static void io_poll_complete(struct io_kiocb *req, __poll_t mask) +static void io_poll_complete(struct io_ring_ctx *ctx, struct io_kiocb *req, + __poll_t mask) { - io_cqring_add_event(req->ctx, req->user_data, mangle_poll(mask), 0); - io_fput(req); - io_free_req(req); + req->poll.done = true; + io_cqring_fill_event(ctx, req->user_data, mangle_poll(mask), 0); + io_commit_cqring(ctx); } static void io_poll_complete_work(struct work_struct *work) @@ -1240,9 +1213,11 @@ static void io_poll_complete_work(struct work_struct *work) return; } list_del_init(&req->list); + io_poll_complete(ctx, req, mask); spin_unlock_irq(&ctx->completion_lock); - io_poll_complete(req, mask); + io_cqring_ev_posted(ctx); + io_put_req(req); } static int io_poll_wake(struct wait_queue_entry *wait, unsigned mode, int sync, @@ -1253,29 +1228,25 @@ static int io_poll_wake(struct wait_queue_entry *wait, unsigned mode, int sync, struct io_kiocb *req = container_of(poll, struct io_kiocb, poll); struct io_ring_ctx *ctx = req->ctx; __poll_t mask = key_to_poll(key); - - poll->woken = true; + unsigned long flags; /* for instances that support it check for an event match first: */ - if (mask) { - unsigned long flags; + if (mask && !(mask & poll->events)) + return 0; - if (!(mask & poll->events)) - return 0; + list_del_init(&poll->wait.entry); - /* try to complete the iocb inline if we can: */ - if (spin_trylock_irqsave(&ctx->completion_lock, flags)) { - list_del(&req->list); - spin_unlock_irqrestore(&ctx->completion_lock, flags); + if (mask && spin_trylock_irqsave(&ctx->completion_lock, flags)) { + list_del(&req->list); + io_poll_complete(ctx, req, mask); + spin_unlock_irqrestore(&ctx->completion_lock, flags); - list_del_init(&poll->wait.entry); - io_poll_complete(req, mask); - return 1; - } + io_cqring_ev_posted(ctx); + io_put_req(req); + } else { + queue_work(ctx->sqo_wq, &req->work); } - list_del_init(&poll->wait.entry); - queue_work(ctx->sqo_wq, &req->work); return 1; } @@ -1305,36 +1276,23 @@ static int io_poll_add(struct io_kiocb *req, const struct io_uring_sqe *sqe) struct io_poll_iocb *poll = &req->poll; struct io_ring_ctx *ctx = req->ctx; struct io_poll_table ipt; - unsigned flags; + bool cancel = false; __poll_t mask; u16 events; - int fd; if (unlikely(req->ctx->flags & IORING_SETUP_IOPOLL)) return -EINVAL; if (sqe->addr || sqe->ioprio || sqe->off || sqe->len || sqe->buf_index) return -EINVAL; + if (!poll->file) + return -EBADF; INIT_WORK(&req->work, io_poll_complete_work); events = READ_ONCE(sqe->poll_events); poll->events = demangle_poll(events) | EPOLLERR | EPOLLHUP; - flags = READ_ONCE(sqe->flags); - fd = READ_ONCE(sqe->fd); - - if (flags & IOSQE_FIXED_FILE) { - if (unlikely(!ctx->user_files || fd >= ctx->nr_user_files)) - return -EBADF; - poll->file = ctx->user_files[fd]; - req->flags |= REQ_F_FIXED_FILE; - } else { - poll->file = fget(fd); - } - if (unlikely(!poll->file)) - return -EBADF; - poll->head = NULL; - poll->woken = false; + poll->done = false; poll->canceled = false; ipt.pt._qproc = io_poll_queue_proc; @@ -1346,56 +1304,44 @@ static int io_poll_add(struct io_kiocb *req, const struct io_uring_sqe *sqe) INIT_LIST_HEAD(&poll->wait.entry); init_waitqueue_func_entry(&poll->wait, io_poll_wake); - /* one for removal from waitqueue, one for this function */ - refcount_set(&req->refs, 2); - mask = vfs_poll(poll->file, &ipt.pt) & poll->events; - if (unlikely(!poll->head)) { - /* we did not manage to set up a waitqueue, done */ - goto out; - } spin_lock_irq(&ctx->completion_lock); - spin_lock(&poll->head->lock); - if (poll->woken) { - /* wake_up context handles the rest */ - mask = 0; + if (likely(poll->head)) { + spin_lock(&poll->head->lock); + if (unlikely(list_empty(&poll->wait.entry))) { + if (ipt.error) + cancel = true; + ipt.error = 0; + mask = 0; + } + if (mask || ipt.error) + list_del_init(&poll->wait.entry); + else if (cancel) + WRITE_ONCE(poll->canceled, true); + else if (!poll->done) /* actually waiting for an event */ + list_add_tail(&req->list, &ctx->cancel_list); + spin_unlock(&poll->head->lock); + } + if (mask) { /* no async, we'd stolen it */ + req->error = mangle_poll(mask); ipt.error = 0; - } else if (mask || ipt.error) { - /* if we get an error or a mask we are done */ - WARN_ON_ONCE(list_empty(&poll->wait.entry)); - list_del_init(&poll->wait.entry); - } else { - /* actually waiting for an event */ - list_add_tail(&req->list, &ctx->cancel_list); + io_poll_complete(ctx, req, mask); } - spin_unlock(&poll->head->lock); spin_unlock_irq(&ctx->completion_lock); -out: - if (unlikely(ipt.error)) { - if (!(flags & IOSQE_FIXED_FILE)) - fput(poll->file); - /* - * Drop one of our refs to this req, __io_submit_sqe() will - * drop the other one since we're returning an error. - */ - io_free_req(req); - return ipt.error; + if (mask) { + io_cqring_ev_posted(ctx); + io_put_req(req); } - - if (mask) - io_poll_complete(req, mask); - io_free_req(req); - return 0; + return ipt.error; } static int __io_submit_sqe(struct io_ring_ctx *ctx, struct io_kiocb *req, const struct sqe_submit *s, bool force_nonblock, struct io_submit_state *state) { - ssize_t ret; - int opcode; + int ret, opcode; if (unlikely(s->index >= ctx->sq_entries)) return -EINVAL; @@ -1524,10 +1470,13 @@ restart: break; cond_resched(); } while (1); + + /* drop submission reference */ + io_put_req(req); } if (ret) { io_cqring_add_event(ctx, sqe->user_data, ret, 0); - io_free_req(req); + io_put_req(req); } /* async context always use a copy of the sqe */ @@ -1614,11 +1563,55 @@ static bool io_add_to_prev_work(struct async_list *list, struct io_kiocb *req) return ret; } +static bool io_op_needs_file(const struct io_uring_sqe *sqe) +{ + int op = READ_ONCE(sqe->opcode); + + switch (op) { + case IORING_OP_NOP: + case IORING_OP_POLL_REMOVE: + return false; + default: + return true; + } +} + +static int io_req_set_file(struct io_ring_ctx *ctx, const struct sqe_submit *s, + struct io_submit_state *state, struct io_kiocb *req) +{ + unsigned flags; + int fd; + + flags = READ_ONCE(s->sqe->flags); + fd = READ_ONCE(s->sqe->fd); + + if (!io_op_needs_file(s->sqe)) { + req->file = NULL; + return 0; + } + + if (flags & IOSQE_FIXED_FILE) { + if (unlikely(!ctx->user_files || + (unsigned) fd >= ctx->nr_user_files)) + return -EBADF; + req->file = ctx->user_files[fd]; + req->flags |= REQ_F_FIXED_FILE; + } else { + if (s->needs_fixed_file) + return -EBADF; + req->file = io_file_get(state, fd); + if (unlikely(!req->file)) + return -EBADF; + } + + return 0; +} + static int io_submit_sqe(struct io_ring_ctx *ctx, struct sqe_submit *s, struct io_submit_state *state) { struct io_kiocb *req; - ssize_t ret; + int ret; /* enforce forwards compatibility on users */ if (unlikely(s->sqe->flags & ~IOSQE_FIXED_FILE)) @@ -1628,7 +1621,9 @@ static int io_submit_sqe(struct io_ring_ctx *ctx, struct sqe_submit *s, if (unlikely(!req)) return -EAGAIN; - req->rw.ki_filp = NULL; + ret = io_req_set_file(ctx, s, state, req); + if (unlikely(ret)) + goto out; ret = __io_submit_sqe(ctx, req, s, true, state); if (ret == -EAGAIN) { @@ -1649,11 +1644,23 @@ static int io_submit_sqe(struct io_ring_ctx *ctx, struct sqe_submit *s, INIT_WORK(&req->work, io_sq_wq_submit_work); queue_work(ctx->sqo_wq, &req->work); } - ret = 0; + + /* + * Queued up for async execution, worker will release + * submit reference when the iocb is actually + * submitted. + */ + return 0; } } + +out: + /* drop submission reference */ + io_put_req(req); + + /* and drop final reference, if we failed */ if (ret) - io_free_req(req); + io_put_req(req); return ret; } @@ -1975,7 +1982,15 @@ static int io_cqring_wait(struct io_ring_ctx *ctx, int min_events, return 0; if (sig) { - ret = set_user_sigmask(sig, &ksigmask, &sigsaved, sigsz); +#ifdef CONFIG_COMPAT + if (in_compat_syscall()) + ret = set_compat_user_sigmask((const compat_sigset_t __user *)sig, + &ksigmask, &sigsaved, sigsz); + else +#endif + ret = set_user_sigmask(sig, &ksigmask, + &sigsaved, sigsz); + if (ret) return ret; } diff --git a/fs/iomap.c b/fs/iomap.c index 97cb9d486a7d..abdd18e404f8 100644 --- a/fs/iomap.c +++ b/fs/iomap.c @@ -1589,12 +1589,14 @@ static void iomap_dio_bio_end_io(struct bio *bio) if (should_dirty) { bio_check_pages_dirty(bio); } else { - struct bio_vec *bvec; - int i; - struct bvec_iter_all iter_all; + if (!bio_flagged(bio, BIO_NO_PAGE_REF)) { + struct bvec_iter_all iter_all; + struct bio_vec *bvec; + int i; - bio_for_each_segment_all(bvec, bio, i, iter_all) - put_page(bvec->bv_page); + bio_for_each_segment_all(bvec, bio, i, iter_all) + put_page(bvec->bv_page); + } bio_put(bio); } } diff --git a/fs/lockd/host.c b/fs/lockd/host.c index 93fb7cf0b92b..f0b5c987d6ae 100644 --- a/fs/lockd/host.c +++ b/fs/lockd/host.c @@ -290,12 +290,11 @@ void nlmclnt_release_host(struct nlm_host *host) WARN_ON_ONCE(host->h_server); - if (refcount_dec_and_test(&host->h_count)) { + if (refcount_dec_and_mutex_lock(&host->h_count, &nlm_host_mutex)) { WARN_ON_ONCE(!list_empty(&host->h_lockowners)); WARN_ON_ONCE(!list_empty(&host->h_granted)); WARN_ON_ONCE(!list_empty(&host->h_reclaim)); - mutex_lock(&nlm_host_mutex); nlm_destroy_host_locked(host); mutex_unlock(&nlm_host_mutex); } diff --git a/fs/locks.c b/fs/locks.c index eaa1cfaf73b0..71d0c6c2aac5 100644 --- a/fs/locks.c +++ b/fs/locks.c @@ -1160,6 +1160,11 @@ static int posix_lock_inode(struct inode *inode, struct file_lock *request, */ error = -EDEADLK; spin_lock(&blocked_lock_lock); + /* + * Ensure that we don't find any locks blocked on this + * request during deadlock detection. + */ + __locks_wake_up_blocks(request); if (likely(!posix_locks_deadlock(request, fl))) { error = FILE_LOCK_DEFERRED; __locks_insert_block(fl, request, diff --git a/fs/nfs/client.c b/fs/nfs/client.c index fb1cf1a4bda2..90d71fda65ce 100644 --- a/fs/nfs/client.c +++ b/fs/nfs/client.c @@ -453,7 +453,7 @@ void nfs_init_timeout_values(struct rpc_timeout *to, int proto, case XPRT_TRANSPORT_RDMA: if (retrans == NFS_UNSPEC_RETRANS) to->to_retries = NFS_DEF_TCP_RETRANS; - if (timeo == NFS_UNSPEC_TIMEO || to->to_retries == 0) + if (timeo == NFS_UNSPEC_TIMEO || to->to_initval == 0) to->to_initval = NFS_DEF_TCP_TIMEO * HZ / 10; if (to->to_initval > NFS_MAX_TCP_TIMEOUT) to->to_initval = NFS_MAX_TCP_TIMEOUT; diff --git a/fs/nfs/flexfilelayout/flexfilelayout.c b/fs/nfs/flexfilelayout/flexfilelayout.c index f9264e1922a2..6673d4ff5a2a 100644 --- a/fs/nfs/flexfilelayout/flexfilelayout.c +++ b/fs/nfs/flexfilelayout/flexfilelayout.c @@ -1289,6 +1289,7 @@ static void ff_layout_io_track_ds_error(struct pnfs_layout_segment *lseg, static int ff_layout_read_done_cb(struct rpc_task *task, struct nfs_pgio_header *hdr) { + int new_idx = hdr->pgio_mirror_idx; int err; trace_nfs4_pnfs_read(hdr, task->tk_status); @@ -1307,7 +1308,7 @@ static int ff_layout_read_done_cb(struct rpc_task *task, case -NFS4ERR_RESET_TO_PNFS: if (ff_layout_choose_best_ds_for_read(hdr->lseg, hdr->pgio_mirror_idx + 1, - &hdr->pgio_mirror_idx)) + &new_idx)) goto out_layouterror; set_bit(NFS_IOHDR_RESEND_PNFS, &hdr->flags); return task->tk_status; @@ -1320,7 +1321,9 @@ static int ff_layout_read_done_cb(struct rpc_task *task, return 0; out_layouterror: + ff_layout_read_record_layoutstats_done(task, hdr); ff_layout_send_layouterror(hdr->lseg); + hdr->pgio_mirror_idx = new_idx; out_eagain: rpc_restart_call_prepare(task); return -EAGAIN; diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c index 4dbb0ee23432..741ff8c9c6ed 100644 --- a/fs/nfs/nfs4proc.c +++ b/fs/nfs/nfs4proc.c @@ -2933,7 +2933,8 @@ static int _nfs4_open_and_get_state(struct nfs4_opendata *opendata, } out: - nfs4_sequence_free_slot(&opendata->o_res.seq_res); + if (!opendata->cancelled) + nfs4_sequence_free_slot(&opendata->o_res.seq_res); return ret; } @@ -6301,7 +6302,6 @@ static struct nfs4_unlockdata *nfs4_alloc_unlockdata(struct file_lock *fl, p->arg.seqid = seqid; p->res.seqid = seqid; p->lsp = lsp; - refcount_inc(&lsp->ls_count); /* Ensure we don't close file until we're done freeing locks! */ p->ctx = get_nfs_open_context(ctx); p->l_ctx = nfs_get_lock_context(ctx); @@ -6526,7 +6526,6 @@ static struct nfs4_lockdata *nfs4_alloc_lockdata(struct file_lock *fl, p->res.lock_seqid = p->arg.lock_seqid; p->lsp = lsp; p->server = server; - refcount_inc(&lsp->ls_count); p->ctx = get_nfs_open_context(ctx); locks_init_lock(&p->fl); locks_copy_lock(&p->fl, fl); diff --git a/fs/notify/fanotify/fanotify_user.c b/fs/notify/fanotify/fanotify_user.c index 56992b32c6bb..a90bb19dcfa2 100644 --- a/fs/notify/fanotify/fanotify_user.c +++ b/fs/notify/fanotify/fanotify_user.c @@ -208,6 +208,7 @@ static int copy_fid_to_user(struct fanotify_event *event, char __user *buf) { struct fanotify_event_info_fid info = { }; struct file_handle handle = { }; + unsigned char bounce[FANOTIFY_INLINE_FH_LEN], *fh; size_t fh_len = event->fh_len; size_t len = fanotify_event_info_len(event); @@ -233,7 +234,16 @@ static int copy_fid_to_user(struct fanotify_event *event, char __user *buf) buf += sizeof(handle); len -= sizeof(handle); - if (copy_to_user(buf, fanotify_event_fh(event), fh_len)) + /* + * For an inline fh, copy through stack to exclude the copy from + * usercopy hardening protections. + */ + fh = fanotify_event_fh(event); + if (fh_len <= FANOTIFY_INLINE_FH_LEN) { + memcpy(bounce, fh, fh_len); + fh = bounce; + } + if (copy_to_user(buf, fh, fh_len)) return -EFAULT; /* Pad with 0's */ diff --git a/fs/notify/inotify/inotify_user.c b/fs/notify/inotify/inotify_user.c index e2901fbb9f76..7b53598c8804 100644 --- a/fs/notify/inotify/inotify_user.c +++ b/fs/notify/inotify/inotify_user.c @@ -519,8 +519,10 @@ static int inotify_update_existing_watch(struct fsnotify_group *group, fsn_mark = fsnotify_find_mark(&inode->i_fsnotify_marks, group); if (!fsn_mark) return -ENOENT; - else if (create) - return -EEXIST; + else if (create) { + ret = -EEXIST; + goto out; + } i_mark = container_of(fsn_mark, struct inotify_inode_mark, fsn_mark); @@ -548,6 +550,7 @@ static int inotify_update_existing_watch(struct fsnotify_group *group, /* return the wd */ ret = i_mark->wd; +out: /* match the get from fsnotify_find_mark() */ fsnotify_put_mark(fsn_mark); diff --git a/fs/ocfs2/refcounttree.c b/fs/ocfs2/refcounttree.c index a35259eebc56..1dc9a08e8bdc 100644 --- a/fs/ocfs2/refcounttree.c +++ b/fs/ocfs2/refcounttree.c @@ -4719,22 +4719,23 @@ out: /* Lock an inode and grab a bh pointing to the inode. */ int ocfs2_reflink_inodes_lock(struct inode *s_inode, - struct buffer_head **bh1, + struct buffer_head **bh_s, struct inode *t_inode, - struct buffer_head **bh2) + struct buffer_head **bh_t) { - struct inode *inode1; - struct inode *inode2; + struct inode *inode1 = s_inode; + struct inode *inode2 = t_inode; struct ocfs2_inode_info *oi1; struct ocfs2_inode_info *oi2; + struct buffer_head *bh1 = NULL; + struct buffer_head *bh2 = NULL; bool same_inode = (s_inode == t_inode); + bool need_swap = (inode1->i_ino > inode2->i_ino); int status; /* First grab the VFS and rw locks. */ lock_two_nondirectories(s_inode, t_inode); - inode1 = s_inode; - inode2 = t_inode; - if (inode1->i_ino > inode2->i_ino) + if (need_swap) swap(inode1, inode2); status = ocfs2_rw_lock(inode1, 1); @@ -4757,17 +4758,13 @@ int ocfs2_reflink_inodes_lock(struct inode *s_inode, trace_ocfs2_double_lock((unsigned long long)oi1->ip_blkno, (unsigned long long)oi2->ip_blkno); - if (*bh1) - *bh1 = NULL; - if (*bh2) - *bh2 = NULL; - /* We always want to lock the one with the lower lockid first. */ if (oi1->ip_blkno > oi2->ip_blkno) mlog_errno(-ENOLCK); /* lock id1 */ - status = ocfs2_inode_lock_nested(inode1, bh1, 1, OI_LS_REFLINK_TARGET); + status = ocfs2_inode_lock_nested(inode1, &bh1, 1, + OI_LS_REFLINK_TARGET); if (status < 0) { if (status != -ENOENT) mlog_errno(status); @@ -4776,15 +4773,25 @@ int ocfs2_reflink_inodes_lock(struct inode *s_inode, /* lock id2 */ if (!same_inode) { - status = ocfs2_inode_lock_nested(inode2, bh2, 1, + status = ocfs2_inode_lock_nested(inode2, &bh2, 1, OI_LS_REFLINK_TARGET); if (status < 0) { if (status != -ENOENT) mlog_errno(status); goto out_cl1; } - } else - *bh2 = *bh1; + } else { + bh2 = bh1; + } + + /* + * If we swapped inode order above, we have to swap the buffer heads + * before passing them back to the caller. + */ + if (need_swap) + swap(bh1, bh2); + *bh_s = bh1; + *bh_t = bh2; trace_ocfs2_double_lock_end( (unsigned long long)oi1->ip_blkno, @@ -4794,8 +4801,7 @@ int ocfs2_reflink_inodes_lock(struct inode *s_inode, out_cl1: ocfs2_inode_unlock(inode1, 1); - brelse(*bh1); - *bh1 = NULL; + brelse(bh1); out_rw2: ocfs2_rw_unlock(inode2, 1); out_i2: diff --git a/fs/open.c b/fs/open.c index 0285ce7dbd51..f1c2f855fd43 100644 --- a/fs/open.c +++ b/fs/open.c @@ -733,6 +733,12 @@ static int do_dentry_open(struct file *f, return 0; } + /* Any file opened for execve()/uselib() has to be a regular file. */ + if (unlikely(f->f_flags & FMODE_EXEC && !S_ISREG(inode->i_mode))) { + error = -EACCES; + goto cleanup_file; + } + if (f->f_mode & FMODE_WRITE && !special_file(inode->i_mode)) { error = get_write_access(inode); if (unlikely(error)) diff --git a/fs/proc/kcore.c b/fs/proc/kcore.c index bbcc185062bb..f5834488b67d 100644 --- a/fs/proc/kcore.c +++ b/fs/proc/kcore.c @@ -54,6 +54,28 @@ static LIST_HEAD(kclist_head); static DECLARE_RWSEM(kclist_lock); static int kcore_need_update = 1; +/* + * Returns > 0 for RAM pages, 0 for non-RAM pages, < 0 on error + * Same as oldmem_pfn_is_ram in vmcore + */ +static int (*mem_pfn_is_ram)(unsigned long pfn); + +int __init register_mem_pfn_is_ram(int (*fn)(unsigned long pfn)) +{ + if (mem_pfn_is_ram) + return -EBUSY; + mem_pfn_is_ram = fn; + return 0; +} + +static int pfn_is_ram(unsigned long pfn) +{ + if (mem_pfn_is_ram) + return mem_pfn_is_ram(pfn); + else + return 1; +} + /* This doesn't grab kclist_lock, so it should only be used at init time. */ void __init kclist_add(struct kcore_list *new, void *addr, size_t size, int type) @@ -465,6 +487,11 @@ read_kcore(struct file *file, char __user *buffer, size_t buflen, loff_t *fpos) goto out; } m = NULL; /* skip the list anchor */ + } else if (!pfn_is_ram(__pa(start) >> PAGE_SHIFT)) { + if (clear_user(buffer, tsz)) { + ret = -EFAULT; + goto out; + } } else if (m->type == KCORE_VMALLOC) { vread(buf, (char *)start, tsz); /* we have to zero-fill user buffer even if no read */ @@ -588,7 +615,7 @@ static void __init proc_kcore_text_init(void) /* * MODULES_VADDR has no intersection with VMALLOC_ADDR. */ -struct kcore_list kcore_modules; +static struct kcore_list kcore_modules; static void __init add_modules_range(void) { if (MODULES_VADDR != VMALLOC_START && MODULES_END != VMALLOC_END) { diff --git a/fs/proc/proc_sysctl.c b/fs/proc/proc_sysctl.c index 4d598a399bbf..d65390727541 100644 --- a/fs/proc/proc_sysctl.c +++ b/fs/proc/proc_sysctl.c @@ -1626,7 +1626,8 @@ static void drop_sysctl_table(struct ctl_table_header *header) if (--header->nreg) return; - put_links(header); + if (parent) + put_links(header); start_unregistering(header); if (!--header->count) kfree_rcu(header, rcu); diff --git a/fs/udf/inode.c b/fs/udf/inode.c index ae796e10f68b..e7276932e433 100644 --- a/fs/udf/inode.c +++ b/fs/udf/inode.c @@ -1242,8 +1242,10 @@ set_size: truncate_setsize(inode, newsize); down_write(&iinfo->i_data_sem); udf_clear_extent_cache(inode); - udf_truncate_extents(inode); + err = udf_truncate_extents(inode); up_write(&iinfo->i_data_sem); + if (err) + return err; } update_time: inode->i_mtime = inode->i_ctime = current_time(inode); diff --git a/fs/udf/truncate.c b/fs/udf/truncate.c index b647f0bd150c..63a47f1e1d52 100644 --- a/fs/udf/truncate.c +++ b/fs/udf/truncate.c @@ -199,7 +199,7 @@ static void udf_update_alloc_ext_desc(struct inode *inode, * for making file shorter. For making file longer, udf_extend_file() has to * be used. */ -void udf_truncate_extents(struct inode *inode) +int udf_truncate_extents(struct inode *inode) { struct extent_position epos; struct kernel_lb_addr eloc, neloc = {}; @@ -224,7 +224,7 @@ void udf_truncate_extents(struct inode *inode) if (etype == -1) { /* We should extend the file? */ WARN_ON(byte_offset); - return; + return 0; } epos.offset -= adsize; extent_trunc(inode, &epos, &eloc, etype, elen, byte_offset); @@ -260,6 +260,9 @@ void udf_truncate_extents(struct inode *inode) epos.block = eloc; epos.bh = udf_tread(sb, udf_get_lb_pblock(sb, &eloc, 0)); + /* Error reading indirect block? */ + if (!epos.bh) + return -EIO; if (elen) indirect_ext_len = (elen + sb->s_blocksize - 1) >> @@ -283,4 +286,5 @@ void udf_truncate_extents(struct inode *inode) iinfo->i_lenExtents = inode->i_size; brelse(epos.bh); + return 0; } diff --git a/fs/udf/udfdecl.h b/fs/udf/udfdecl.h index ee246769dee4..d89ef71887fc 100644 --- a/fs/udf/udfdecl.h +++ b/fs/udf/udfdecl.h @@ -235,7 +235,7 @@ extern struct inode *udf_new_inode(struct inode *, umode_t); /* truncate.c */ extern void udf_truncate_tail_extent(struct inode *); extern void udf_discard_prealloc(struct inode *); -extern void udf_truncate_extents(struct inode *); +extern int udf_truncate_extents(struct inode *); /* balloc.c */ extern void udf_free_blocks(struct super_block *, struct inode *, diff --git a/fs/xfs/libxfs/xfs_bmap.c b/fs/xfs/libxfs/xfs_bmap.c index 48502cb9990f..4637ae1ae91c 100644 --- a/fs/xfs/libxfs/xfs_bmap.c +++ b/fs/xfs/libxfs/xfs_bmap.c @@ -1191,7 +1191,10 @@ xfs_iread_extents( * Root level must use BMAP_BROOT_PTR_ADDR macro to get ptr out. */ level = be16_to_cpu(block->bb_level); - ASSERT(level > 0); + if (unlikely(level == 0)) { + XFS_ERROR_REPORT(__func__, XFS_ERRLEVEL_LOW, mp); + return -EFSCORRUPTED; + } pp = XFS_BMAP_BROOT_PTR_ADDR(mp, block, 1, ifp->if_broot_bytes); bno = be64_to_cpu(*pp); @@ -4249,9 +4252,13 @@ xfs_bmapi_write( struct xfs_bmbt_irec *mval, /* output: map values */ int *nmap) /* i/o: mval size/count */ { + struct xfs_bmalloca bma = { + .tp = tp, + .ip = ip, + .total = total, + }; struct xfs_mount *mp = ip->i_mount; struct xfs_ifork *ifp; - struct xfs_bmalloca bma = { NULL }; /* args for xfs_bmap_alloc */ xfs_fileoff_t end; /* end of mapped file region */ bool eof = false; /* after the end of extents */ int error; /* error return */ @@ -4319,10 +4326,6 @@ xfs_bmapi_write( eof = true; if (!xfs_iext_peek_prev_extent(ifp, &bma.icur, &bma.prev)) bma.prev.br_startoff = NULLFILEOFF; - bma.tp = tp; - bma.ip = ip; - bma.total = total; - bma.datatype = 0; bma.minleft = xfs_bmapi_minleft(tp, ip, whichfork); n = 0; diff --git a/fs/xfs/scrub/btree.c b/fs/xfs/scrub/btree.c index 6f94d1f7322d..117910db51b8 100644 --- a/fs/xfs/scrub/btree.c +++ b/fs/xfs/scrub/btree.c @@ -415,8 +415,17 @@ xchk_btree_check_owner( struct xfs_btree_cur *cur = bs->cur; struct check_owner *co; - if ((cur->bc_flags & XFS_BTREE_ROOT_IN_INODE) && bp == NULL) + /* + * In theory, xfs_btree_get_block should only give us a null buffer + * pointer for the root of a root-in-inode btree type, but we need + * to check defensively here in case the cursor state is also screwed + * up. + */ + if (bp == NULL) { + if (!(cur->bc_flags & XFS_BTREE_ROOT_IN_INODE)) + xchk_btree_set_corrupt(bs->sc, bs->cur, level); return 0; + } /* * We want to cross-reference each btree block with the bnobt diff --git a/fs/xfs/scrub/dabtree.c b/fs/xfs/scrub/dabtree.c index f1260b4bfdee..90527b094878 100644 --- a/fs/xfs/scrub/dabtree.c +++ b/fs/xfs/scrub/dabtree.c @@ -574,6 +574,11 @@ xchk_da_btree( /* Drill another level deeper. */ blkno = be32_to_cpu(key->before); level++; + if (level >= XFS_DA_NODE_MAXDEPTH) { + /* Too deep! */ + xchk_da_set_corrupt(&ds, level - 1); + break; + } ds.tree_level--; error = xchk_da_btree_block(&ds, level, blkno); if (error) diff --git a/fs/xfs/xfs_discard.c b/fs/xfs/xfs_discard.c index 93f07edafd81..9ee2a7d02e70 100644 --- a/fs/xfs/xfs_discard.c +++ b/fs/xfs/xfs_discard.c @@ -161,6 +161,14 @@ xfs_ioc_trim( return -EPERM; if (!blk_queue_discard(q)) return -EOPNOTSUPP; + + /* + * We haven't recovered the log, so we cannot use our bnobt-guided + * storage zapping commands. + */ + if (mp->m_flags & XFS_MOUNT_NORECOVERY) + return -EROFS; + if (copy_from_user(&range, urange, sizeof(range))) return -EFAULT; diff --git a/fs/xfs/xfs_file.c b/fs/xfs/xfs_file.c index 1f2e2845eb76..a7ceae90110e 100644 --- a/fs/xfs/xfs_file.c +++ b/fs/xfs/xfs_file.c @@ -529,18 +529,17 @@ xfs_file_dio_aio_write( count = iov_iter_count(from); /* - * If we are doing unaligned IO, wait for all other IO to drain, - * otherwise demote the lock if we had to take the exclusive lock - * for other reasons in xfs_file_aio_write_checks. + * If we are doing unaligned IO, we can't allow any other overlapping IO + * in-flight at the same time or we risk data corruption. Wait for all + * other IO to drain before we submit. If the IO is aligned, demote the + * iolock if we had to take the exclusive lock in + * xfs_file_aio_write_checks() for other reasons. */ if (unaligned_io) { - /* If we are going to wait for other DIO to finish, bail */ - if (iocb->ki_flags & IOCB_NOWAIT) { - if (atomic_read(&inode->i_dio_count)) - return -EAGAIN; - } else { - inode_dio_wait(inode); - } + /* unaligned dio always waits, bail */ + if (iocb->ki_flags & IOCB_NOWAIT) + return -EAGAIN; + inode_dio_wait(inode); } else if (iolock == XFS_IOLOCK_EXCL) { xfs_ilock_demote(ip, XFS_IOLOCK_EXCL); iolock = XFS_IOLOCK_SHARED; @@ -548,6 +547,14 @@ xfs_file_dio_aio_write( trace_xfs_file_direct_write(ip, count, iocb->ki_pos); ret = iomap_dio_rw(iocb, from, &xfs_iomap_ops, xfs_dio_write_end_io); + + /* + * If unaligned, this is the only IO in-flight. If it has not yet + * completed, wait on it before we release the iolock to prevent + * subsequent overlapping IO. + */ + if (ret == -EIOCBQUEUED && unaligned_io) + inode_dio_wait(inode); out: xfs_iunlock(ip, iolock); diff --git a/include/acpi/acoutput.h b/include/acpi/acoutput.h index 30b1ae53689f..c50542dc71e0 100644 --- a/include/acpi/acoutput.h +++ b/include/acpi/acoutput.h @@ -150,7 +150,10 @@ /* Defaults for debug_level, debug and normal */ +#ifndef ACPI_DEBUG_DEFAULT #define ACPI_DEBUG_DEFAULT (ACPI_LV_INIT | ACPI_LV_DEBUG_OBJECT | ACPI_LV_EVALUATION | ACPI_LV_REPAIR) +#endif + #define ACPI_NORMAL_DEFAULT (ACPI_LV_INIT | ACPI_LV_DEBUG_OBJECT | ACPI_LV_REPAIR) #define ACPI_DEBUG_ALL (ACPI_LV_AML_DISASSEMBLE | ACPI_LV_ALL_EXCEPTIONS | ACPI_LV_ALL) diff --git a/include/acpi/platform/aclinux.h b/include/acpi/platform/aclinux.h index 9ff328fd946a..624b90b34085 100644 --- a/include/acpi/platform/aclinux.h +++ b/include/acpi/platform/aclinux.h @@ -82,6 +82,11 @@ #define ACPI_NO_ERROR_MESSAGES #undef ACPI_DEBUG_OUTPUT +/* Use a specific bugging default separate from ACPICA */ + +#undef ACPI_DEBUG_DEFAULT +#define ACPI_DEBUG_DEFAULT (ACPI_LV_INFO | ACPI_LV_REPAIR) + /* External interface for __KERNEL__, stub is needed */ #define ACPI_EXTERNAL_RETURN_STATUS(prototype) \ diff --git a/include/linux/atalk.h b/include/linux/atalk.h index d5cfc0b15b76..f6034ba774be 100644 --- a/include/linux/atalk.h +++ b/include/linux/atalk.h @@ -108,7 +108,7 @@ static __inline__ struct elapaarp *aarp_hdr(struct sk_buff *skb) #define AARP_RESOLVE_TIME (10 * HZ) extern struct datalink_proto *ddp_dl, *aarp_dl; -extern void aarp_proto_init(void); +extern int aarp_proto_init(void); /* Inter module exports */ diff --git a/include/linux/blk-mq.h b/include/linux/blk-mq.h index b0c814bcc7e3..cb2aa7ecafff 100644 --- a/include/linux/blk-mq.h +++ b/include/linux/blk-mq.h @@ -57,7 +57,6 @@ struct blk_mq_hw_ctx { unsigned int queue_num; atomic_t nr_active; - unsigned int nr_expired; struct hlist_node cpuhp_dead; struct kobject kobj; @@ -300,8 +299,6 @@ void blk_mq_end_request(struct request *rq, blk_status_t error); void __blk_mq_end_request(struct request *rq, blk_status_t error); void blk_mq_requeue_request(struct request *rq, bool kick_requeue_list); -void blk_mq_add_to_requeue_list(struct request *rq, bool at_head, - bool kick_requeue_list); void blk_mq_kick_requeue_list(struct request_queue *q); void blk_mq_delay_kick_requeue_list(struct request_queue *q, unsigned long msecs); bool blk_mq_complete_request(struct request *rq); diff --git a/include/linux/blk_types.h b/include/linux/blk_types.h index d66bf5f32610..791fee35df88 100644 --- a/include/linux/blk_types.h +++ b/include/linux/blk_types.h @@ -215,6 +215,7 @@ struct bio { /* * bio flags */ +#define BIO_NO_PAGE_REF 0 /* don't put release vec pages */ #define BIO_SEG_VALID 1 /* bi_phys_segments valid */ #define BIO_CLONED 2 /* doesn't own data */ #define BIO_BOUNCED 3 /* bio is a bounce bio */ diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index 0de92b29f589..5c58a3b2bf00 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -50,6 +50,9 @@ struct blk_stat_callback; /* Must be consistent with blk_mq_poll_stats_bkt() */ #define BLK_MQ_POLL_STATS_BKTS 16 +/* Doing classic polling */ +#define BLK_MQ_POLL_CLASSIC -1 + /* * Maximum number of blkcg policies allowed to be registered concurrently. * Defined here to simplify include dependency. diff --git a/include/linux/bpf.h b/include/linux/bpf.h index a2132e09dc1c..f02367faa58d 100644 --- a/include/linux/bpf.h +++ b/include/linux/bpf.h @@ -193,7 +193,6 @@ enum bpf_arg_type { ARG_PTR_TO_CTX, /* pointer to context */ ARG_ANYTHING, /* any (initialized) argument is ok */ - ARG_PTR_TO_SOCKET, /* pointer to bpf_sock */ ARG_PTR_TO_SPIN_LOCK, /* pointer to bpf_spin_lock */ ARG_PTR_TO_SOCK_COMMON, /* pointer to sock_common */ }; diff --git a/include/linux/bpf_verifier.h b/include/linux/bpf_verifier.h index 69f7a3449eda..7d8228d1c898 100644 --- a/include/linux/bpf_verifier.h +++ b/include/linux/bpf_verifier.h @@ -66,6 +66,46 @@ struct bpf_reg_state { * same reference to the socket, to determine proper reference freeing. */ u32 id; + /* PTR_TO_SOCKET and PTR_TO_TCP_SOCK could be a ptr returned + * from a pointer-cast helper, bpf_sk_fullsock() and + * bpf_tcp_sock(). + * + * Consider the following where "sk" is a reference counted + * pointer returned from "sk = bpf_sk_lookup_tcp();": + * + * 1: sk = bpf_sk_lookup_tcp(); + * 2: if (!sk) { return 0; } + * 3: fullsock = bpf_sk_fullsock(sk); + * 4: if (!fullsock) { bpf_sk_release(sk); return 0; } + * 5: tp = bpf_tcp_sock(fullsock); + * 6: if (!tp) { bpf_sk_release(sk); return 0; } + * 7: bpf_sk_release(sk); + * 8: snd_cwnd = tp->snd_cwnd; // verifier will complain + * + * After bpf_sk_release(sk) at line 7, both "fullsock" ptr and + * "tp" ptr should be invalidated also. In order to do that, + * the reg holding "fullsock" and "sk" need to remember + * the original refcounted ptr id (i.e. sk_reg->id) in ref_obj_id + * such that the verifier can reset all regs which have + * ref_obj_id matching the sk_reg->id. + * + * sk_reg->ref_obj_id is set to sk_reg->id at line 1. + * sk_reg->id will stay as NULL-marking purpose only. + * After NULL-marking is done, sk_reg->id can be reset to 0. + * + * After "fullsock = bpf_sk_fullsock(sk);" at line 3, + * fullsock_reg->ref_obj_id is set to sk_reg->ref_obj_id. + * + * After "tp = bpf_tcp_sock(fullsock);" at line 5, + * tp_reg->ref_obj_id is set to fullsock_reg->ref_obj_id + * which is the same as sk_reg->ref_obj_id. + * + * From the verifier perspective, if sk, fullsock and tp + * are not NULL, they are the same ptr with different + * reg->type. In particular, bpf_sk_release(tp) is also + * allowed and has the same effect as bpf_sk_release(sk). + */ + u32 ref_obj_id; /* For scalar types (SCALAR_VALUE), this represents our knowledge of * the actual value. * For pointer types, this represents the variable part of the offset diff --git a/include/linux/brcmphy.h b/include/linux/brcmphy.h index 9cd00a37b8d3..6db2d9a6e503 100644 --- a/include/linux/brcmphy.h +++ b/include/linux/brcmphy.h @@ -148,6 +148,22 @@ #define BCM_LED_SRC_OFF 0xe /* Tied high */ #define BCM_LED_SRC_ON 0xf /* Tied low */ +/* + * Broadcom Multicolor LED configurations (expansion register 4) + */ +#define BCM_EXP_MULTICOLOR (MII_BCM54XX_EXP_SEL_ER + 0x04) +#define BCM_LED_MULTICOLOR_IN_PHASE BIT(8) +#define BCM_LED_MULTICOLOR_LINK_ACT 0x0 +#define BCM_LED_MULTICOLOR_SPEED 0x1 +#define BCM_LED_MULTICOLOR_ACT_FLASH 0x2 +#define BCM_LED_MULTICOLOR_FDX 0x3 +#define BCM_LED_MULTICOLOR_OFF 0x4 +#define BCM_LED_MULTICOLOR_ON 0x5 +#define BCM_LED_MULTICOLOR_ALT 0x6 +#define BCM_LED_MULTICOLOR_FLASH 0x7 +#define BCM_LED_MULTICOLOR_LINK 0x8 +#define BCM_LED_MULTICOLOR_ACT 0x9 +#define BCM_LED_MULTICOLOR_PROGRAM 0xa /* * BCM5482: Shadow registers diff --git a/include/linux/ceph/libceph.h b/include/linux/ceph/libceph.h index a420c07904bc..337d5049ff93 100644 --- a/include/linux/ceph/libceph.h +++ b/include/linux/ceph/libceph.h @@ -294,6 +294,8 @@ extern void ceph_destroy_client(struct ceph_client *client); extern int __ceph_open_session(struct ceph_client *client, unsigned long started); extern int ceph_open_session(struct ceph_client *client); +int ceph_wait_for_latest_osdmap(struct ceph_client *client, + unsigned long timeout); /* pagevec.c */ extern void ceph_release_page_vector(struct page **pages, int num_pages); diff --git a/include/linux/device.h b/include/linux/device.h index b425a7ee04ce..4e6987e11f68 100644 --- a/include/linux/device.h +++ b/include/linux/device.h @@ -49,8 +49,6 @@ struct bus_attribute { ssize_t (*store)(struct bus_type *bus, const char *buf, size_t count); }; -#define BUS_ATTR(_name, _mode, _show, _store) \ - struct bus_attribute bus_attr_##_name = __ATTR(_name, _mode, _show, _store) #define BUS_ATTR_RW(_name) \ struct bus_attribute bus_attr_##_name = __ATTR_RW(_name) #define BUS_ATTR_RO(_name) \ diff --git a/include/linux/hugetlb.h b/include/linux/hugetlb.h index ea35263eb76b..11943b60f208 100644 --- a/include/linux/hugetlb.h +++ b/include/linux/hugetlb.h @@ -203,7 +203,6 @@ static inline void hugetlb_show_meminfo(void) #define pud_huge(x) 0 #define is_hugepage_only_range(mm, addr, len) 0 #define hugetlb_free_pgd_range(tlb, addr, end, floor, ceiling) ({BUG(); 0; }) -#define hugetlb_fault(mm, vma, addr, flags) ({ BUG(); 0; }) #define hugetlb_mcopy_atomic_pte(dst_mm, dst_pte, dst_vma, dst_addr, \ src_addr, pagep) ({ BUG(); 0; }) #define huge_pte_offset(mm, address, sz) 0 @@ -234,6 +233,13 @@ static inline void __unmap_hugepage_range(struct mmu_gather *tlb, { BUG(); } +static inline vm_fault_t hugetlb_fault(struct mm_struct *mm, + struct vm_area_struct *vma, unsigned long address, + unsigned int flags) +{ + BUG(); + return 0; +} #endif /* !CONFIG_HUGETLB_PAGE */ /* diff --git a/include/linux/irq.h b/include/linux/irq.h index d6160d479b14..7ae8de5ad0f2 100644 --- a/include/linux/irq.h +++ b/include/linux/irq.h @@ -195,7 +195,7 @@ struct irq_data { * IRQD_LEVEL - Interrupt is level triggered * IRQD_WAKEUP_STATE - Interrupt is configured for wakeup * from suspend - * IRDQ_MOVE_PCNTXT - Interrupt can be moved in process + * IRQD_MOVE_PCNTXT - Interrupt can be moved in process * context * IRQD_IRQ_DISABLED - Disabled state of the interrupt * IRQD_IRQ_MASKED - Masked state of the interrupt diff --git a/include/linux/irqchip/arm-gic.h b/include/linux/irqchip/arm-gic.h index 626179077bb0..0f049b384ccd 100644 --- a/include/linux/irqchip/arm-gic.h +++ b/include/linux/irqchip/arm-gic.h @@ -158,8 +158,7 @@ int gic_of_init_child(struct device *dev, struct gic_chip_data **gic, int irq); * Legacy platforms not converted to DT yet must use this to init * their GIC */ -void gic_init(unsigned int nr, int start, - void __iomem *dist , void __iomem *cpu); +void gic_init(void __iomem *dist , void __iomem *cpu); int gicv2m_init(struct fwnode_handle *parent_handle, struct irq_domain *parent); diff --git a/include/linux/kcore.h b/include/linux/kcore.h index 8c3f8c14eeaa..da676cdbd727 100644 --- a/include/linux/kcore.h +++ b/include/linux/kcore.h @@ -38,22 +38,13 @@ struct vmcoredd_node { #ifdef CONFIG_PROC_KCORE void __init kclist_add(struct kcore_list *, void *, size_t, int type); -static inline -void kclist_add_remap(struct kcore_list *m, void *addr, void *vaddr, size_t sz) -{ - m->vaddr = (unsigned long)vaddr; - kclist_add(m, addr, sz, KCORE_REMAP); -} + +extern int __init register_mem_pfn_is_ram(int (*fn)(unsigned long pfn)); #else static inline void kclist_add(struct kcore_list *new, void *addr, size_t size, int type) { } - -static inline -void kclist_add_remap(struct kcore_list *m, void *addr, void *vaddr, size_t sz) -{ -} #endif #endif /* _LINUX_KCORE_H */ diff --git a/include/linux/list.h b/include/linux/list.h index 79626b5ab36c..58aa3adf94e6 100644 --- a/include/linux/list.h +++ b/include/linux/list.h @@ -207,7 +207,7 @@ static inline void list_bulk_move_tail(struct list_head *head, } /** - * list_is_first -- tests whether @ list is the first entry in list @head + * list_is_first -- tests whether @list is the first entry in list @head * @list: the entry to test * @head: the head of the list */ diff --git a/include/linux/mlx5/qp.h b/include/linux/mlx5/qp.h index b26ea9077384..0343c81d4c5f 100644 --- a/include/linux/mlx5/qp.h +++ b/include/linux/mlx5/qp.h @@ -557,7 +557,8 @@ static inline struct mlx5_core_mkey *__mlx5_mr_lookup(struct mlx5_core_dev *dev, int mlx5_core_create_dct(struct mlx5_core_dev *dev, struct mlx5_core_dct *qp, - u32 *in, int inlen); + u32 *in, int inlen, + u32 *out, int outlen); int mlx5_core_create_qp(struct mlx5_core_dev *dev, struct mlx5_core_qp *qp, u32 *in, diff --git a/include/linux/net.h b/include/linux/net.h index 651fca72286c..c606c72311d0 100644 --- a/include/linux/net.h +++ b/include/linux/net.h @@ -83,6 +83,12 @@ enum sock_type { #endif /* ARCH_HAS_SOCKET_TYPES */ +/** + * enum sock_shutdown_cmd - Shutdown types + * @SHUT_RD: shutdown receptions + * @SHUT_WR: shutdown transmissions + * @SHUT_RDWR: shutdown receptions/transmissions + */ enum sock_shutdown_cmd { SHUT_RD, SHUT_WR, diff --git a/include/linux/page-isolation.h b/include/linux/page-isolation.h index 4eb26d278046..280ae96dc4c3 100644 --- a/include/linux/page-isolation.h +++ b/include/linux/page-isolation.h @@ -41,16 +41,6 @@ int move_freepages_block(struct zone *zone, struct page *page, /* * Changes migrate type in [start_pfn, end_pfn) to be MIGRATE_ISOLATE. - * If specified range includes migrate types other than MOVABLE or CMA, - * this will fail with -EBUSY. - * - * For isolating all pages in the range finally, the caller have to - * free all pages in the range. test_page_isolated() can be used for - * test it. - * - * The following flags are allowed (they can be combined in a bit mask) - * SKIP_HWPOISON - ignore hwpoison pages - * REPORT_FAILURE - report details about the failure to isolate the range */ int start_isolate_page_range(unsigned long start_pfn, unsigned long end_pfn, diff --git a/include/linux/parport.h b/include/linux/parport.h index f41f1d041e2c..397607a0c0eb 100644 --- a/include/linux/parport.h +++ b/include/linux/parport.h @@ -460,7 +460,6 @@ extern size_t parport_ieee1284_epp_read_addr (struct parport *, void *, size_t, int); /* IEEE1284.3 functions */ -#define daisy_dev_name "Device ID probe" extern int parport_daisy_init (struct parport *port); extern void parport_daisy_fini (struct parport *port); extern struct pardevice *parport_open (int devnum, const char *name); @@ -469,18 +468,6 @@ extern ssize_t parport_device_id (int devnum, char *buffer, size_t len); extern void parport_daisy_deselect_all (struct parport *port); extern int parport_daisy_select (struct parport *port, int daisy, int mode); -#ifdef CONFIG_PARPORT_1284 -extern int daisy_drv_init(void); -extern void daisy_drv_exit(void); -#else -static inline int daisy_drv_init(void) -{ - return 0; -} - -static inline void daisy_drv_exit(void) {} -#endif - /* Lowlevel drivers _can_ call this support function to handle irqs. */ static inline void parport_generic_irq(struct parport *port) { diff --git a/include/linux/platform_data/gpio/gpio-amd-fch.h b/include/linux/platform_data/gpio/gpio-amd-fch.h index a867637e172d..9e46678edb2a 100644 --- a/include/linux/platform_data/gpio/gpio-amd-fch.h +++ b/include/linux/platform_data/gpio/gpio-amd-fch.h @@ -1,4 +1,4 @@ -/* SPDX-License-Identifier: GPL+ */ +/* SPDX-License-Identifier: GPL-2.0+ */ /* * AMD FCH gpio driver platform-data diff --git a/include/linux/platform_data/pca954x.h b/include/linux/platform_data/pca954x.h deleted file mode 100644 index 1712677d5904..000000000000 --- a/include/linux/platform_data/pca954x.h +++ /dev/null @@ -1,48 +0,0 @@ -/* - * - * pca954x.h - I2C multiplexer/switch support - * - * Copyright (c) 2008-2009 Rodolfo Giometti <giometti@linux.it> - * Copyright (c) 2008-2009 Eurotech S.p.A. <info@eurotech.it> - * Michael Lawnick <michael.lawnick.ext@nsn.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - */ - - -#ifndef _LINUX_I2C_PCA954X_H -#define _LINUX_I2C_PCA954X_H - -/* Platform data for the PCA954x I2C multiplexers */ - -/* Per channel initialisation data: - * @adap_id: bus number for the adapter. 0 = don't care - * @deselect_on_exit: set this entry to 1, if your H/W needs deselection - * of this channel after transaction. - * - */ -struct pca954x_platform_mode { - int adap_id; - unsigned int deselect_on_exit:1; - unsigned int class; -}; - -/* Per mux/switch data, used with i2c_register_board_info */ -struct pca954x_platform_data { - struct pca954x_platform_mode *modes; - int num_modes; -}; - -#endif /* _LINUX_I2C_PCA954X_H */ diff --git a/include/linux/sbitmap.h b/include/linux/sbitmap.h index 14d558146aea..20f3e3f029b9 100644 --- a/include/linux/sbitmap.h +++ b/include/linux/sbitmap.h @@ -330,7 +330,7 @@ static inline void sbitmap_clear_bit(struct sbitmap *sb, unsigned int bitnr) /* * This one is special, since it doesn't actually clear the bit, rather it * sets the corresponding bit in the ->cleared mask instead. Paired with - * the caller doing sbitmap_batch_clear() if a given index is full, which + * the caller doing sbitmap_deferred_clear() if a given index is full, which * will clear the previously freed entries in the corresponding ->word. */ static inline void sbitmap_deferred_clear_bit(struct sbitmap *sb, unsigned int bitnr) diff --git a/include/linux/sched/signal.h b/include/linux/sched/signal.h index ae5655197698..e412c092c1e8 100644 --- a/include/linux/sched/signal.h +++ b/include/linux/sched/signal.h @@ -418,10 +418,20 @@ static inline void set_restore_sigmask(void) set_thread_flag(TIF_RESTORE_SIGMASK); WARN_ON(!test_thread_flag(TIF_SIGPENDING)); } + +static inline void clear_tsk_restore_sigmask(struct task_struct *tsk) +{ + clear_tsk_thread_flag(tsk, TIF_RESTORE_SIGMASK); +} + static inline void clear_restore_sigmask(void) { clear_thread_flag(TIF_RESTORE_SIGMASK); } +static inline bool test_tsk_restore_sigmask(struct task_struct *tsk) +{ + return test_tsk_thread_flag(tsk, TIF_RESTORE_SIGMASK); +} static inline bool test_restore_sigmask(void) { return test_thread_flag(TIF_RESTORE_SIGMASK); @@ -439,6 +449,10 @@ static inline void set_restore_sigmask(void) current->restore_sigmask = true; WARN_ON(!test_thread_flag(TIF_SIGPENDING)); } +static inline void clear_tsk_restore_sigmask(struct task_struct *tsk) +{ + tsk->restore_sigmask = false; +} static inline void clear_restore_sigmask(void) { current->restore_sigmask = false; @@ -447,6 +461,10 @@ static inline bool test_restore_sigmask(void) { return current->restore_sigmask; } +static inline bool test_tsk_restore_sigmask(struct task_struct *tsk) +{ + return tsk->restore_sigmask; +} static inline bool test_and_clear_restore_sigmask(void) { if (!current->restore_sigmask) diff --git a/include/linux/slab.h b/include/linux/slab.h index 11b45f7ae405..9449b19c5f10 100644 --- a/include/linux/slab.h +++ b/include/linux/slab.h @@ -32,6 +32,8 @@ #define SLAB_HWCACHE_ALIGN ((slab_flags_t __force)0x00002000U) /* Use GFP_DMA memory */ #define SLAB_CACHE_DMA ((slab_flags_t __force)0x00004000U) +/* Use GFP_DMA32 memory */ +#define SLAB_CACHE_DMA32 ((slab_flags_t __force)0x00008000U) /* DEBUG: Store the last owner for bug hunting */ #define SLAB_STORE_USER ((slab_flags_t __force)0x00010000U) /* Panic if kmem_cache_create() fails */ diff --git a/include/linux/socket.h b/include/linux/socket.h index 6016daeecee4..b57cd8bf96e2 100644 --- a/include/linux/socket.h +++ b/include/linux/socket.h @@ -26,7 +26,7 @@ typedef __kernel_sa_family_t sa_family_t; /* * 1003.1g requires sa_family_t and that sa_data is char. */ - + struct sockaddr { sa_family_t sa_family; /* address family, AF_xxx */ char sa_data[14]; /* 14 bytes of protocol address */ @@ -44,7 +44,7 @@ struct linger { * system, not 4.3. Thus msg_accrights(len) are now missing. They * belong in an obscure libc emulation or the bin. */ - + struct msghdr { void *msg_name; /* ptr to socket address structure */ int msg_namelen; /* size of socket address structure */ @@ -54,7 +54,7 @@ struct msghdr { unsigned int msg_flags; /* flags on received message */ struct kiocb *msg_iocb; /* ptr to iocb for async requests */ }; - + struct user_msghdr { void __user *msg_name; /* ptr to socket address structure */ int msg_namelen; /* size of socket address structure */ @@ -122,7 +122,7 @@ struct cmsghdr { * inside range, given by msg->msg_controllen before using * ancillary object DATA. --ANK (980731) */ - + static inline struct cmsghdr * __cmsg_nxthdr(void *__ctl, __kernel_size_t __size, struct cmsghdr *__cmsg) { @@ -264,10 +264,10 @@ struct ucred { /* Maximum queue length specifiable by listen. */ #define SOMAXCONN 128 -/* Flags we can use with send/ and recv. +/* Flags we can use with send/ and recv. Added those for 1003.1g not all are supported yet */ - + #define MSG_OOB 1 #define MSG_PEEK 2 #define MSG_DONTROUTE 4 diff --git a/include/linux/uio.h b/include/linux/uio.h index 87477e1640f9..f184af1999a8 100644 --- a/include/linux/uio.h +++ b/include/linux/uio.h @@ -23,14 +23,23 @@ struct kvec { }; enum iter_type { - ITER_IOVEC = 0, - ITER_KVEC = 2, - ITER_BVEC = 4, - ITER_PIPE = 8, - ITER_DISCARD = 16, + /* set if ITER_BVEC doesn't hold a bv_page ref */ + ITER_BVEC_FLAG_NO_REF = 2, + + /* iter types */ + ITER_IOVEC = 4, + ITER_KVEC = 8, + ITER_BVEC = 16, + ITER_PIPE = 32, + ITER_DISCARD = 64, }; struct iov_iter { + /* + * Bit 0 is the read/write bit, set if we're writing. + * Bit 1 is the BVEC_FLAG_NO_REF bit, set if type is a bvec and + * the caller isn't expecting to drop a page reference when done. + */ unsigned int type; size_t iov_offset; size_t count; @@ -84,6 +93,11 @@ static inline unsigned char iov_iter_rw(const struct iov_iter *i) return i->type & (READ | WRITE); } +static inline bool iov_iter_bvec_no_ref(const struct iov_iter *i) +{ + return (i->type & ITER_BVEC_FLAG_NO_REF) != 0; +} + /* * Total number of bytes covered by an iovec. * diff --git a/include/linux/vbox_utils.h b/include/linux/vbox_utils.h index a240ed2a0372..ff56c443180c 100644 --- a/include/linux/vbox_utils.h +++ b/include/linux/vbox_utils.h @@ -24,15 +24,17 @@ __printf(1, 2) void vbg_debug(const char *fmt, ...); #define vbg_debug pr_debug #endif -int vbg_hgcm_connect(struct vbg_dev *gdev, +int vbg_hgcm_connect(struct vbg_dev *gdev, u32 requestor, struct vmmdev_hgcm_service_location *loc, u32 *client_id, int *vbox_status); -int vbg_hgcm_disconnect(struct vbg_dev *gdev, u32 client_id, int *vbox_status); +int vbg_hgcm_disconnect(struct vbg_dev *gdev, u32 requestor, + u32 client_id, int *vbox_status); -int vbg_hgcm_call(struct vbg_dev *gdev, u32 client_id, u32 function, - u32 timeout_ms, struct vmmdev_hgcm_function_parameter *parms, - u32 parm_count, int *vbox_status); +int vbg_hgcm_call(struct vbg_dev *gdev, u32 requestor, u32 client_id, + u32 function, u32 timeout_ms, + struct vmmdev_hgcm_function_parameter *parms, u32 parm_count, + int *vbox_status); /** * Convert a VirtualBox status code to a standard Linux kernel return value. diff --git a/include/misc/charlcd.h b/include/misc/charlcd.h index 23f61850f363..1832402324ce 100644 --- a/include/misc/charlcd.h +++ b/include/misc/charlcd.h @@ -35,6 +35,7 @@ struct charlcd_ops { }; struct charlcd *charlcd_alloc(unsigned int drvdata_size); +void charlcd_free(struct charlcd *lcd); int charlcd_register(struct charlcd *lcd); int charlcd_unregister(struct charlcd *lcd); diff --git a/include/net/act_api.h b/include/net/act_api.h index c745e9ccfab2..c61a1bf4e3de 100644 --- a/include/net/act_api.h +++ b/include/net/act_api.h @@ -39,7 +39,7 @@ struct tc_action { struct gnet_stats_basic_cpu __percpu *cpu_bstats_hw; struct gnet_stats_queue __percpu *cpu_qstats; struct tc_cookie __rcu *act_cookie; - struct tcf_chain *goto_chain; + struct tcf_chain __rcu *goto_chain; }; #define tcf_index common.tcfa_index #define tcf_refcnt common.tcfa_refcnt @@ -90,7 +90,7 @@ struct tc_action_ops { int (*lookup)(struct net *net, struct tc_action **a, u32 index); int (*init)(struct net *net, struct nlattr *nla, struct nlattr *est, struct tc_action **act, int ovr, - int bind, bool rtnl_held, + int bind, bool rtnl_held, struct tcf_proto *tp, struct netlink_ext_ack *extack); int (*walk)(struct net *, struct sk_buff *, struct netlink_callback *, int, @@ -181,6 +181,11 @@ int tcf_action_dump_old(struct sk_buff *skb, struct tc_action *a, int, int); int tcf_action_dump_1(struct sk_buff *skb, struct tc_action *a, int, int); int tcf_action_copy_stats(struct sk_buff *, struct tc_action *, int); +int tcf_action_check_ctrlact(int action, struct tcf_proto *tp, + struct tcf_chain **handle, + struct netlink_ext_ack *newchain); +struct tcf_chain *tcf_action_set_ctrlact(struct tc_action *a, int action, + struct tcf_chain *newchain); #endif /* CONFIG_NET_CLS_ACT */ static inline void tcf_action_stats_update(struct tc_action *a, u64 bytes, diff --git a/include/net/sch_generic.h b/include/net/sch_generic.h index 31284c078d06..7d1a0483a17b 100644 --- a/include/net/sch_generic.h +++ b/include/net/sch_generic.h @@ -378,6 +378,7 @@ struct tcf_chain { bool flushing; const struct tcf_proto_ops *tmplt_ops; void *tmplt_priv; + struct rcu_head rcu; }; struct tcf_block { diff --git a/include/net/sctp/checksum.h b/include/net/sctp/checksum.h index 32ee65a30aff..1c6e6c0766ca 100644 --- a/include/net/sctp/checksum.h +++ b/include/net/sctp/checksum.h @@ -61,7 +61,7 @@ static inline __wsum sctp_csum_combine(__wsum csum, __wsum csum2, static inline __le32 sctp_compute_cksum(const struct sk_buff *skb, unsigned int offset) { - struct sctphdr *sh = sctp_hdr(skb); + struct sctphdr *sh = (struct sctphdr *)(skb->data + offset); const struct skb_checksum_ops ops = { .update = sctp_csum_update, .combine = sctp_csum_combine, diff --git a/include/net/sock.h b/include/net/sock.h index 328cb7cb7b0b..8de5ee258b93 100644 --- a/include/net/sock.h +++ b/include/net/sock.h @@ -710,6 +710,12 @@ static inline void sk_add_node_rcu(struct sock *sk, struct hlist_head *list) hlist_add_head_rcu(&sk->sk_node, list); } +static inline void sk_add_node_tail_rcu(struct sock *sk, struct hlist_head *list) +{ + sock_hold(sk); + hlist_add_tail_rcu(&sk->sk_node, list); +} + static inline void __sk_nulls_add_node_rcu(struct sock *sk, struct hlist_nulls_head *list) { hlist_nulls_add_head_rcu(&sk->sk_nulls_node, list); diff --git a/include/net/tc_act/tc_gact.h b/include/net/tc_act/tc_gact.h index ee8d005f56fc..eb8f01c819e6 100644 --- a/include/net/tc_act/tc_gact.h +++ b/include/net/tc_act/tc_gact.h @@ -56,7 +56,7 @@ static inline bool is_tcf_gact_goto_chain(const struct tc_action *a) static inline u32 tcf_gact_goto_chain_index(const struct tc_action *a) { - return a->goto_chain->index; + return READ_ONCE(a->tcfa_action) & TC_ACT_EXT_VAL_MASK; } #endif /* __NET_TC_GACT_H */ diff --git a/include/net/xdp_sock.h b/include/net/xdp_sock.h index 61cf7dbb6782..d074b6d60f8a 100644 --- a/include/net/xdp_sock.h +++ b/include/net/xdp_sock.h @@ -36,7 +36,6 @@ struct xdp_umem { u32 headroom; u32 chunk_size_nohr; struct user_struct *user; - struct pid *pid; unsigned long address; refcount_t users; struct work_struct work; diff --git a/include/uapi/linux/Kbuild b/include/uapi/linux/Kbuild index 5f24b50c9e88..059dc2bedaf6 100644 --- a/include/uapi/linux/Kbuild +++ b/include/uapi/linux/Kbuild @@ -7,5 +7,7 @@ no-export-headers += kvm.h endif ifeq ($(wildcard $(srctree)/arch/$(SRCARCH)/include/uapi/asm/kvm_para.h),) +ifeq ($(wildcard $(objtree)/arch/$(SRCARCH)/include/generated/uapi/asm/kvm_para.h),) no-export-headers += kvm_para.h endif +endif diff --git a/include/uapi/linux/bpf.h b/include/uapi/linux/bpf.h index 3c38ac9a92a7..929c8e537a14 100644 --- a/include/uapi/linux/bpf.h +++ b/include/uapi/linux/bpf.h @@ -502,16 +502,6 @@ union bpf_attr { * Return * 0 on success, or a negative error in case of failure. * - * int bpf_map_push_elem(struct bpf_map *map, const void *value, u64 flags) - * Description - * Push an element *value* in *map*. *flags* is one of: - * - * **BPF_EXIST** - * If the queue/stack is full, the oldest element is removed to - * make room for this. - * Return - * 0 on success, or a negative error in case of failure. - * * int bpf_probe_read(void *dst, u32 size, const void *src) * Description * For tracing programs, safely attempt to read *size* bytes from @@ -1435,14 +1425,14 @@ union bpf_attr { * u64 bpf_get_socket_cookie(struct bpf_sock_addr *ctx) * Description * Equivalent to bpf_get_socket_cookie() helper that accepts - * *skb*, but gets socket from **struct bpf_sock_addr** contex. + * *skb*, but gets socket from **struct bpf_sock_addr** context. * Return * A 8-byte long non-decreasing number. * * u64 bpf_get_socket_cookie(struct bpf_sock_ops *ctx) * Description * Equivalent to bpf_get_socket_cookie() helper that accepts - * *skb*, but gets socket from **struct bpf_sock_ops** contex. + * *skb*, but gets socket from **struct bpf_sock_ops** context. * Return * A 8-byte long non-decreasing number. * @@ -2098,52 +2088,52 @@ union bpf_attr { * Return * 0 on success, or a negative error in case of failure. * - * int bpf_rc_keydown(void *ctx, u32 protocol, u64 scancode, u32 toggle) + * int bpf_rc_repeat(void *ctx) * Description * This helper is used in programs implementing IR decoding, to - * report a successfully decoded key press with *scancode*, - * *toggle* value in the given *protocol*. The scancode will be - * translated to a keycode using the rc keymap, and reported as - * an input key down event. After a period a key up event is - * generated. This period can be extended by calling either - * **bpf_rc_keydown**\ () again with the same values, or calling - * **bpf_rc_repeat**\ (). + * report a successfully decoded repeat key message. This delays + * the generation of a key up event for previously generated + * key down event. * - * Some protocols include a toggle bit, in case the button was - * released and pressed again between consecutive scancodes. + * Some IR protocols like NEC have a special IR message for + * repeating last button, for when a button is held down. * * The *ctx* should point to the lirc sample as passed into * the program. * - * The *protocol* is the decoded protocol number (see - * **enum rc_proto** for some predefined values). - * * This helper is only available is the kernel was compiled with * the **CONFIG_BPF_LIRC_MODE2** configuration option set to * "**y**". * Return * 0 * - * int bpf_rc_repeat(void *ctx) + * int bpf_rc_keydown(void *ctx, u32 protocol, u64 scancode, u32 toggle) * Description * This helper is used in programs implementing IR decoding, to - * report a successfully decoded repeat key message. This delays - * the generation of a key up event for previously generated - * key down event. + * report a successfully decoded key press with *scancode*, + * *toggle* value in the given *protocol*. The scancode will be + * translated to a keycode using the rc keymap, and reported as + * an input key down event. After a period a key up event is + * generated. This period can be extended by calling either + * **bpf_rc_keydown**\ () again with the same values, or calling + * **bpf_rc_repeat**\ (). * - * Some IR protocols like NEC have a special IR message for - * repeating last button, for when a button is held down. + * Some protocols include a toggle bit, in case the button was + * released and pressed again between consecutive scancodes. * * The *ctx* should point to the lirc sample as passed into * the program. * + * The *protocol* is the decoded protocol number (see + * **enum rc_proto** for some predefined values). + * * This helper is only available is the kernel was compiled with * the **CONFIG_BPF_LIRC_MODE2** configuration option set to * "**y**". * Return * 0 * - * uint64_t bpf_skb_cgroup_id(struct sk_buff *skb) + * u64 bpf_skb_cgroup_id(struct sk_buff *skb) * Description * Return the cgroup v2 id of the socket associated with the *skb*. * This is roughly similar to the **bpf_get_cgroup_classid**\ () @@ -2159,30 +2149,12 @@ union bpf_attr { * Return * The id is returned or 0 in case the id could not be retrieved. * - * u64 bpf_skb_ancestor_cgroup_id(struct sk_buff *skb, int ancestor_level) - * Description - * Return id of cgroup v2 that is ancestor of cgroup associated - * with the *skb* at the *ancestor_level*. The root cgroup is at - * *ancestor_level* zero and each step down the hierarchy - * increments the level. If *ancestor_level* == level of cgroup - * associated with *skb*, then return value will be same as that - * of **bpf_skb_cgroup_id**\ (). - * - * The helper is useful to implement policies based on cgroups - * that are upper in hierarchy than immediate cgroup associated - * with *skb*. - * - * The format of returned id and helper limitations are same as in - * **bpf_skb_cgroup_id**\ (). - * Return - * The id is returned or 0 in case the id could not be retrieved. - * * u64 bpf_get_current_cgroup_id(void) * Return * A 64-bit integer containing the current cgroup id based * on the cgroup within which the current task is running. * - * void* get_local_storage(void *map, u64 flags) + * void *bpf_get_local_storage(void *map, u64 flags) * Description * Get the pointer to the local storage area. * The type and the size of the local storage is defined @@ -2209,6 +2181,24 @@ union bpf_attr { * Return * 0 on success, or a negative error in case of failure. * + * u64 bpf_skb_ancestor_cgroup_id(struct sk_buff *skb, int ancestor_level) + * Description + * Return id of cgroup v2 that is ancestor of cgroup associated + * with the *skb* at the *ancestor_level*. The root cgroup is at + * *ancestor_level* zero and each step down the hierarchy + * increments the level. If *ancestor_level* == level of cgroup + * associated with *skb*, then return value will be same as that + * of **bpf_skb_cgroup_id**\ (). + * + * The helper is useful to implement policies based on cgroups + * that are upper in hierarchy than immediate cgroup associated + * with *skb*. + * + * The format of returned id and helper limitations are same as in + * **bpf_skb_cgroup_id**\ (). + * Return + * The id is returned or 0 in case the id could not be retrieved. + * * struct bpf_sock *bpf_sk_lookup_tcp(void *ctx, struct bpf_sock_tuple *tuple, u32 tuple_size, u64 netns, u64 flags) * Description * Look for TCP socket matching *tuple*, optionally in a child @@ -2289,6 +2279,16 @@ union bpf_attr { * Return * 0 on success, or a negative error in case of failure. * + * int bpf_map_push_elem(struct bpf_map *map, const void *value, u64 flags) + * Description + * Push an element *value* in *map*. *flags* is one of: + * + * **BPF_EXIST** + * If the queue/stack is full, the oldest element is + * removed to make room for this. + * Return + * 0 on success, or a negative error in case of failure. + * * int bpf_map_pop_elem(struct bpf_map *map, void *value) * Description * Pop an element from *map*. @@ -2343,29 +2343,94 @@ union bpf_attr { * Return * 0 * + * int bpf_spin_lock(struct bpf_spin_lock *lock) + * Description + * Acquire a spinlock represented by the pointer *lock*, which is + * stored as part of a value of a map. Taking the lock allows to + * safely update the rest of the fields in that value. The + * spinlock can (and must) later be released with a call to + * **bpf_spin_unlock**\ (\ *lock*\ ). + * + * Spinlocks in BPF programs come with a number of restrictions + * and constraints: + * + * * **bpf_spin_lock** objects are only allowed inside maps of + * types **BPF_MAP_TYPE_HASH** and **BPF_MAP_TYPE_ARRAY** (this + * list could be extended in the future). + * * BTF description of the map is mandatory. + * * The BPF program can take ONE lock at a time, since taking two + * or more could cause dead locks. + * * Only one **struct bpf_spin_lock** is allowed per map element. + * * When the lock is taken, calls (either BPF to BPF or helpers) + * are not allowed. + * * The **BPF_LD_ABS** and **BPF_LD_IND** instructions are not + * allowed inside a spinlock-ed region. + * * The BPF program MUST call **bpf_spin_unlock**\ () to release + * the lock, on all execution paths, before it returns. + * * The BPF program can access **struct bpf_spin_lock** only via + * the **bpf_spin_lock**\ () and **bpf_spin_unlock**\ () + * helpers. Loading or storing data into the **struct + * bpf_spin_lock** *lock*\ **;** field of a map is not allowed. + * * To use the **bpf_spin_lock**\ () helper, the BTF description + * of the map value must be a struct and have **struct + * bpf_spin_lock** *anyname*\ **;** field at the top level. + * Nested lock inside another struct is not allowed. + * * The **struct bpf_spin_lock** *lock* field in a map value must + * be aligned on a multiple of 4 bytes in that value. + * * Syscall with command **BPF_MAP_LOOKUP_ELEM** does not copy + * the **bpf_spin_lock** field to user space. + * * Syscall with command **BPF_MAP_UPDATE_ELEM**, or update from + * a BPF program, do not update the **bpf_spin_lock** field. + * * **bpf_spin_lock** cannot be on the stack or inside a + * networking packet (it can only be inside of a map values). + * * **bpf_spin_lock** is available to root only. + * * Tracing programs and socket filter programs cannot use + * **bpf_spin_lock**\ () due to insufficient preemption checks + * (but this may change in the future). + * * **bpf_spin_lock** is not allowed in inner maps of map-in-map. + * Return + * 0 + * + * int bpf_spin_unlock(struct bpf_spin_lock *lock) + * Description + * Release the *lock* previously locked by a call to + * **bpf_spin_lock**\ (\ *lock*\ ). + * Return + * 0 + * * struct bpf_sock *bpf_sk_fullsock(struct bpf_sock *sk) * Description * This helper gets a **struct bpf_sock** pointer such - * that all the fields in bpf_sock can be accessed. + * that all the fields in this **bpf_sock** can be accessed. * Return - * A **struct bpf_sock** pointer on success, or NULL in + * A **struct bpf_sock** pointer on success, or **NULL** in * case of failure. * * struct bpf_tcp_sock *bpf_tcp_sock(struct bpf_sock *sk) * Description * This helper gets a **struct bpf_tcp_sock** pointer from a * **struct bpf_sock** pointer. - * * Return - * A **struct bpf_tcp_sock** pointer on success, or NULL in + * A **struct bpf_tcp_sock** pointer on success, or **NULL** in * case of failure. * * int bpf_skb_ecn_set_ce(struct sk_buf *skb) - * Description - * Sets ECN of IP header to ce (congestion encountered) if - * current value is ect (ECN capable). Works with IPv6 and IPv4. - * Return - * 1 if set, 0 if not set. + * Description + * Set ECN (Explicit Congestion Notification) field of IP header + * to **CE** (Congestion Encountered) if current value is **ECT** + * (ECN Capable Transport). Otherwise, do nothing. Works with IPv6 + * and IPv4. + * Return + * 1 if the **CE** flag is set (either by the current helper call + * or because it was already present), 0 if it is not set. + * + * struct bpf_sock *bpf_get_listener_sock(struct bpf_sock *sk) + * Description + * Return a **struct bpf_sock** pointer in **TCP_LISTEN** state. + * **bpf_sk_release**\ () is unnecessary and not allowed. + * Return + * A **struct bpf_sock** pointer on success, or **NULL** in + * case of failure. */ #define __BPF_FUNC_MAPPER(FN) \ FN(unspec), \ @@ -2465,7 +2530,8 @@ union bpf_attr { FN(spin_unlock), \ FN(sk_fullsock), \ FN(tcp_sock), \ - FN(skb_ecn_set_ce), + FN(skb_ecn_set_ce), \ + FN(get_listener_sock), /* integer value in 'imm' field of BPF_CALL instruction selects which helper * function eBPF program intends to call diff --git a/include/uapi/linux/vbox_vmmdev_types.h b/include/uapi/linux/vbox_vmmdev_types.h index 0e68024f36c7..26f39816af14 100644 --- a/include/uapi/linux/vbox_vmmdev_types.h +++ b/include/uapi/linux/vbox_vmmdev_types.h @@ -102,6 +102,66 @@ enum vmmdev_request_type { #define VMMDEVREQ_HGCM_CALL VMMDEVREQ_HGCM_CALL32 #endif +/* vmmdev_request_header.requestor defines */ + +/* Requestor user not given. */ +#define VMMDEV_REQUESTOR_USR_NOT_GIVEN 0x00000000 +/* The kernel driver (vboxguest) is the requestor. */ +#define VMMDEV_REQUESTOR_USR_DRV 0x00000001 +/* Some other kernel driver is the requestor. */ +#define VMMDEV_REQUESTOR_USR_DRV_OTHER 0x00000002 +/* The root or a admin user is the requestor. */ +#define VMMDEV_REQUESTOR_USR_ROOT 0x00000003 +/* Regular joe user is making the request. */ +#define VMMDEV_REQUESTOR_USR_USER 0x00000006 +/* User classification mask. */ +#define VMMDEV_REQUESTOR_USR_MASK 0x00000007 + +/* Kernel mode request. Note this is 0, check for !USERMODE instead. */ +#define VMMDEV_REQUESTOR_KERNEL 0x00000000 +/* User mode request. */ +#define VMMDEV_REQUESTOR_USERMODE 0x00000008 +/* User or kernel mode classification mask. */ +#define VMMDEV_REQUESTOR_MODE_MASK 0x00000008 + +/* Don't know the physical console association of the requestor. */ +#define VMMDEV_REQUESTOR_CON_DONT_KNOW 0x00000000 +/* + * The request originates with a process that is NOT associated with the + * physical console. + */ +#define VMMDEV_REQUESTOR_CON_NO 0x00000010 +/* Requestor process is associated with the physical console. */ +#define VMMDEV_REQUESTOR_CON_YES 0x00000020 +/* Console classification mask. */ +#define VMMDEV_REQUESTOR_CON_MASK 0x00000030 + +/* Requestor is member of special VirtualBox user group. */ +#define VMMDEV_REQUESTOR_GRP_VBOX 0x00000080 + +/* Note: trust level is for windows guests only, linux always uses not-given */ +/* Requestor trust level: Unspecified */ +#define VMMDEV_REQUESTOR_TRUST_NOT_GIVEN 0x00000000 +/* Requestor trust level: Untrusted (SID S-1-16-0) */ +#define VMMDEV_REQUESTOR_TRUST_UNTRUSTED 0x00001000 +/* Requestor trust level: Untrusted (SID S-1-16-4096) */ +#define VMMDEV_REQUESTOR_TRUST_LOW 0x00002000 +/* Requestor trust level: Medium (SID S-1-16-8192) */ +#define VMMDEV_REQUESTOR_TRUST_MEDIUM 0x00003000 +/* Requestor trust level: Medium plus (SID S-1-16-8448) */ +#define VMMDEV_REQUESTOR_TRUST_MEDIUM_PLUS 0x00004000 +/* Requestor trust level: High (SID S-1-16-12288) */ +#define VMMDEV_REQUESTOR_TRUST_HIGH 0x00005000 +/* Requestor trust level: System (SID S-1-16-16384) */ +#define VMMDEV_REQUESTOR_TRUST_SYSTEM 0x00006000 +/* Requestor trust level >= Protected (SID S-1-16-20480, S-1-16-28672) */ +#define VMMDEV_REQUESTOR_TRUST_PROTECTED 0x00007000 +/* Requestor trust level mask */ +#define VMMDEV_REQUESTOR_TRUST_MASK 0x00007000 + +/* Requestor is using the less trusted user device node (/dev/vboxuser) */ +#define VMMDEV_REQUESTOR_USER_DEVICE 0x00008000 + /** HGCM service location types. */ enum vmmdev_hgcm_service_location_type { VMMDEV_HGCM_LOC_INVALID = 0, diff --git a/kernel/bpf/syscall.c b/kernel/bpf/syscall.c index 62f6bced3a3c..afca36f53c49 100644 --- a/kernel/bpf/syscall.c +++ b/kernel/bpf/syscall.c @@ -136,21 +136,29 @@ static struct bpf_map *find_and_alloc_map(union bpf_attr *attr) void *bpf_map_area_alloc(size_t size, int numa_node) { - /* We definitely need __GFP_NORETRY, so OOM killer doesn't - * trigger under memory pressure as we really just want to - * fail instead. + /* We really just want to fail instead of triggering OOM killer + * under memory pressure, therefore we set __GFP_NORETRY to kmalloc, + * which is used for lower order allocation requests. + * + * It has been observed that higher order allocation requests done by + * vmalloc with __GFP_NORETRY being set might fail due to not trying + * to reclaim memory from the page cache, thus we set + * __GFP_RETRY_MAYFAIL to avoid such situations. */ - const gfp_t flags = __GFP_NOWARN | __GFP_NORETRY | __GFP_ZERO; + + const gfp_t flags = __GFP_NOWARN | __GFP_ZERO; void *area; if (size <= (PAGE_SIZE << PAGE_ALLOC_COSTLY_ORDER)) { - area = kmalloc_node(size, GFP_USER | flags, numa_node); + area = kmalloc_node(size, GFP_USER | __GFP_NORETRY | flags, + numa_node); if (area != NULL) return area; } - return __vmalloc_node_flags_caller(size, numa_node, GFP_KERNEL | flags, - __builtin_return_address(0)); + return __vmalloc_node_flags_caller(size, numa_node, + GFP_KERNEL | __GFP_RETRY_MAYFAIL | + flags, __builtin_return_address(0)); } void bpf_map_area_free(void *area) diff --git a/kernel/bpf/verifier.c b/kernel/bpf/verifier.c index ce166a002d16..fd502c1f71eb 100644 --- a/kernel/bpf/verifier.c +++ b/kernel/bpf/verifier.c @@ -212,7 +212,7 @@ struct bpf_call_arg_meta { int access_size; s64 msize_smax_value; u64 msize_umax_value; - int ptr_id; + int ref_obj_id; int func_id; }; @@ -346,35 +346,23 @@ static bool reg_type_may_be_null(enum bpf_reg_type type) type == PTR_TO_TCP_SOCK_OR_NULL; } -static bool type_is_refcounted(enum bpf_reg_type type) -{ - return type == PTR_TO_SOCKET; -} - -static bool type_is_refcounted_or_null(enum bpf_reg_type type) -{ - return type == PTR_TO_SOCKET || type == PTR_TO_SOCKET_OR_NULL; -} - -static bool reg_is_refcounted(const struct bpf_reg_state *reg) -{ - return type_is_refcounted(reg->type); -} - static bool reg_may_point_to_spin_lock(const struct bpf_reg_state *reg) { return reg->type == PTR_TO_MAP_VALUE && map_value_has_spin_lock(reg->map_ptr); } -static bool reg_is_refcounted_or_null(const struct bpf_reg_state *reg) +static bool reg_type_may_be_refcounted_or_null(enum bpf_reg_type type) { - return type_is_refcounted_or_null(reg->type); + return type == PTR_TO_SOCKET || + type == PTR_TO_SOCKET_OR_NULL || + type == PTR_TO_TCP_SOCK || + type == PTR_TO_TCP_SOCK_OR_NULL; } -static bool arg_type_is_refcounted(enum bpf_arg_type type) +static bool arg_type_may_be_refcounted(enum bpf_arg_type type) { - return type == ARG_PTR_TO_SOCKET; + return type == ARG_PTR_TO_SOCK_COMMON; } /* Determine whether the function releases some resources allocated by another @@ -392,6 +380,12 @@ static bool is_acquire_function(enum bpf_func_id func_id) func_id == BPF_FUNC_sk_lookup_udp; } +static bool is_ptr_cast_function(enum bpf_func_id func_id) +{ + return func_id == BPF_FUNC_tcp_sock || + func_id == BPF_FUNC_sk_fullsock; +} + /* string representation of 'enum bpf_reg_type' */ static const char * const reg_type_str[] = { [NOT_INIT] = "?", @@ -466,6 +460,8 @@ static void print_verifier_state(struct bpf_verifier_env *env, verbose(env, ",call_%d", func(env, reg)->callsite); } else { verbose(env, "(id=%d", reg->id); + if (reg_type_may_be_refcounted_or_null(t)) + verbose(env, ",ref_obj_id=%d", reg->ref_obj_id); if (t != SCALAR_VALUE) verbose(env, ",off=%d", reg->off); if (type_is_pkt_pointer(t)) @@ -2414,16 +2410,15 @@ static int check_func_arg(struct bpf_verifier_env *env, u32 regno, /* Any sk pointer can be ARG_PTR_TO_SOCK_COMMON */ if (!type_is_sk_pointer(type)) goto err_type; - } else if (arg_type == ARG_PTR_TO_SOCKET) { - expected_type = PTR_TO_SOCKET; - if (type != expected_type) - goto err_type; - if (meta->ptr_id || !reg->id) { - verbose(env, "verifier internal error: mismatched references meta=%d, reg=%d\n", - meta->ptr_id, reg->id); - return -EFAULT; + if (reg->ref_obj_id) { + if (meta->ref_obj_id) { + verbose(env, "verifier internal error: more than one arg with ref_obj_id R%d %u %u\n", + regno, reg->ref_obj_id, + meta->ref_obj_id); + return -EFAULT; + } + meta->ref_obj_id = reg->ref_obj_id; } - meta->ptr_id = reg->id; } else if (arg_type == ARG_PTR_TO_SPIN_LOCK) { if (meta->func_id == BPF_FUNC_spin_lock) { if (process_spin_lock(env, regno, true)) @@ -2740,32 +2735,38 @@ static bool check_arg_pair_ok(const struct bpf_func_proto *fn) return true; } -static bool check_refcount_ok(const struct bpf_func_proto *fn) +static bool check_refcount_ok(const struct bpf_func_proto *fn, int func_id) { int count = 0; - if (arg_type_is_refcounted(fn->arg1_type)) + if (arg_type_may_be_refcounted(fn->arg1_type)) count++; - if (arg_type_is_refcounted(fn->arg2_type)) + if (arg_type_may_be_refcounted(fn->arg2_type)) count++; - if (arg_type_is_refcounted(fn->arg3_type)) + if (arg_type_may_be_refcounted(fn->arg3_type)) count++; - if (arg_type_is_refcounted(fn->arg4_type)) + if (arg_type_may_be_refcounted(fn->arg4_type)) count++; - if (arg_type_is_refcounted(fn->arg5_type)) + if (arg_type_may_be_refcounted(fn->arg5_type)) count++; + /* A reference acquiring function cannot acquire + * another refcounted ptr. + */ + if (is_acquire_function(func_id) && count) + return false; + /* We only support one arg being unreferenced at the moment, * which is sufficient for the helper functions we have right now. */ return count <= 1; } -static int check_func_proto(const struct bpf_func_proto *fn) +static int check_func_proto(const struct bpf_func_proto *fn, int func_id) { return check_raw_mode_ok(fn) && check_arg_pair_ok(fn) && - check_refcount_ok(fn) ? 0 : -EINVAL; + check_refcount_ok(fn, func_id) ? 0 : -EINVAL; } /* Packet data might have moved, any old PTR_TO_PACKET[_META,_END] @@ -2799,19 +2800,20 @@ static void clear_all_pkt_pointers(struct bpf_verifier_env *env) } static void release_reg_references(struct bpf_verifier_env *env, - struct bpf_func_state *state, int id) + struct bpf_func_state *state, + int ref_obj_id) { struct bpf_reg_state *regs = state->regs, *reg; int i; for (i = 0; i < MAX_BPF_REG; i++) - if (regs[i].id == id) + if (regs[i].ref_obj_id == ref_obj_id) mark_reg_unknown(env, regs, i); bpf_for_each_spilled_reg(i, state, reg) { if (!reg) continue; - if (reg_is_refcounted(reg) && reg->id == id) + if (reg->ref_obj_id == ref_obj_id) __mark_reg_unknown(reg); } } @@ -2820,15 +2822,20 @@ static void release_reg_references(struct bpf_verifier_env *env, * resources. Identify all copies of the same pointer and clear the reference. */ static int release_reference(struct bpf_verifier_env *env, - struct bpf_call_arg_meta *meta) + int ref_obj_id) { struct bpf_verifier_state *vstate = env->cur_state; + int err; int i; + err = release_reference_state(cur_func(env), ref_obj_id); + if (err) + return err; + for (i = 0; i <= vstate->curframe; i++) - release_reg_references(env, vstate->frame[i], meta->ptr_id); + release_reg_references(env, vstate->frame[i], ref_obj_id); - return release_reference_state(cur_func(env), meta->ptr_id); + return 0; } static int check_func_call(struct bpf_verifier_env *env, struct bpf_insn *insn, @@ -3047,7 +3054,7 @@ static int check_helper_call(struct bpf_verifier_env *env, int func_id, int insn memset(&meta, 0, sizeof(meta)); meta.pkt_access = fn->pkt_access; - err = check_func_proto(fn); + err = check_func_proto(fn, func_id); if (err) { verbose(env, "kernel subsystem misconfigured func %s#%d\n", func_id_name(func_id), func_id); @@ -3093,7 +3100,7 @@ static int check_helper_call(struct bpf_verifier_env *env, int func_id, int insn return err; } } else if (is_release_function(func_id)) { - err = release_reference(env, &meta); + err = release_reference(env, meta.ref_obj_id); if (err) { verbose(env, "func %s#%d reference has not been acquired before\n", func_id_name(func_id), func_id); @@ -3154,8 +3161,10 @@ static int check_helper_call(struct bpf_verifier_env *env, int func_id, int insn if (id < 0) return id; - /* For release_reference() */ + /* For mark_ptr_or_null_reg() */ regs[BPF_REG_0].id = id; + /* For release_reference() */ + regs[BPF_REG_0].ref_obj_id = id; } else { /* For mark_ptr_or_null_reg() */ regs[BPF_REG_0].id = ++env->id_gen; @@ -3170,6 +3179,10 @@ static int check_helper_call(struct bpf_verifier_env *env, int func_id, int insn return -EINVAL; } + if (is_ptr_cast_function(func_id)) + /* For release_reference() */ + regs[BPF_REG_0].ref_obj_id = meta.ref_obj_id; + do_refine_retval_range(regs, fn->ret_type, func_id, &meta); err = check_map_func_compatibility(env, meta.map_ptr, func_id); @@ -3368,7 +3381,7 @@ do_sim: *dst_reg = *ptr_reg; } ret = push_stack(env, env->insn_idx + 1, env->insn_idx, true); - if (!ptr_is_dst_reg) + if (!ptr_is_dst_reg && ret) *dst_reg = tmp; return !ret ? -EFAULT : 0; } @@ -4665,11 +4678,19 @@ static void mark_ptr_or_null_reg(struct bpf_func_state *state, } else if (reg->type == PTR_TO_TCP_SOCK_OR_NULL) { reg->type = PTR_TO_TCP_SOCK; } - if (is_null || !(reg_is_refcounted(reg) || - reg_may_point_to_spin_lock(reg))) { - /* We don't need id from this point onwards anymore, - * thus we should better reset it, so that state - * pruning has chances to take effect. + if (is_null) { + /* We don't need id and ref_obj_id from this point + * onwards anymore, thus we should better reset it, + * so that state pruning has chances to take effect. + */ + reg->id = 0; + reg->ref_obj_id = 0; + } else if (!reg_may_point_to_spin_lock(reg)) { + /* For not-NULL ptr, reg->ref_obj_id will be reset + * in release_reg_references(). + * + * reg->id is still used by spin_lock ptr. Other + * than spin_lock ptr type, reg->id can be reset. */ reg->id = 0; } @@ -4684,11 +4705,16 @@ static void mark_ptr_or_null_regs(struct bpf_verifier_state *vstate, u32 regno, { struct bpf_func_state *state = vstate->frame[vstate->curframe]; struct bpf_reg_state *reg, *regs = state->regs; + u32 ref_obj_id = regs[regno].ref_obj_id; u32 id = regs[regno].id; int i, j; - if (reg_is_refcounted_or_null(®s[regno]) && is_null) - release_reference_state(state, id); + if (ref_obj_id && ref_obj_id == id && is_null) + /* regs[regno] is in the " == NULL" branch. + * No one could have freed the reference state before + * doing the NULL check. + */ + WARN_ON_ONCE(release_reference_state(state, id)); for (i = 0; i < MAX_BPF_REG; i++) mark_ptr_or_null_reg(state, ®s[i], id, is_null); @@ -6052,15 +6078,17 @@ static int propagate_liveness(struct bpf_verifier_env *env, } /* Propagate read liveness of registers... */ BUILD_BUG_ON(BPF_REG_FP + 1 != MAX_BPF_REG); - /* We don't need to worry about FP liveness because it's read-only */ - for (i = 0; i < BPF_REG_FP; i++) { - if (vparent->frame[vparent->curframe]->regs[i].live & REG_LIVE_READ) - continue; - if (vstate->frame[vstate->curframe]->regs[i].live & REG_LIVE_READ) { - err = mark_reg_read(env, &vstate->frame[vstate->curframe]->regs[i], - &vparent->frame[vstate->curframe]->regs[i]); - if (err) - return err; + for (frame = 0; frame <= vstate->curframe; frame++) { + /* We don't need to worry about FP liveness, it's read-only */ + for (i = frame < vstate->curframe ? BPF_REG_6 : 0; i < BPF_REG_FP; i++) { + if (vparent->frame[frame]->regs[i].live & REG_LIVE_READ) + continue; + if (vstate->frame[frame]->regs[i].live & REG_LIVE_READ) { + err = mark_reg_read(env, &vstate->frame[frame]->regs[i], + &vparent->frame[frame]->regs[i]); + if (err) + return err; + } } } diff --git a/kernel/cpu.c b/kernel/cpu.c index 025f419d16f6..6754f3ecfd94 100644 --- a/kernel/cpu.c +++ b/kernel/cpu.c @@ -564,6 +564,20 @@ static void undo_cpu_up(unsigned int cpu, struct cpuhp_cpu_state *st) cpuhp_invoke_callback(cpu, st->state, false, NULL, NULL); } +static inline bool can_rollback_cpu(struct cpuhp_cpu_state *st) +{ + if (IS_ENABLED(CONFIG_HOTPLUG_CPU)) + return true; + /* + * When CPU hotplug is disabled, then taking the CPU down is not + * possible because takedown_cpu() and the architecture and + * subsystem specific mechanisms are not available. So the CPU + * which would be completely unplugged again needs to stay around + * in the current state. + */ + return st->state <= CPUHP_BRINGUP_CPU; +} + static int cpuhp_up_callbacks(unsigned int cpu, struct cpuhp_cpu_state *st, enum cpuhp_state target) { @@ -574,8 +588,10 @@ static int cpuhp_up_callbacks(unsigned int cpu, struct cpuhp_cpu_state *st, st->state++; ret = cpuhp_invoke_callback(cpu, st->state, true, NULL, NULL); if (ret) { - st->target = prev_state; - undo_cpu_up(cpu, st); + if (can_rollback_cpu(st)) { + st->target = prev_state; + undo_cpu_up(cpu, st); + } break; } } diff --git a/kernel/events/core.c b/kernel/events/core.c index 1032a16bd186..72d06e302e99 100644 --- a/kernel/events/core.c +++ b/kernel/events/core.c @@ -7189,6 +7189,7 @@ static void perf_event_mmap_output(struct perf_event *event, struct perf_output_handle handle; struct perf_sample_data sample; int size = mmap_event->event_id.header.size; + u32 type = mmap_event->event_id.header.type; int ret; if (!perf_event_mmap_match(event, data)) @@ -7232,6 +7233,7 @@ static void perf_event_mmap_output(struct perf_event *event, perf_output_end(&handle); out: mmap_event->event_id.header.size = size; + mmap_event->event_id.header.type = type; } static void perf_event_mmap_event(struct perf_mmap_event *mmap_event) diff --git a/kernel/futex.c b/kernel/futex.c index c3b73b0311bc..9e40cf7be606 100644 --- a/kernel/futex.c +++ b/kernel/futex.c @@ -3436,6 +3436,10 @@ static int handle_futex_death(u32 __user *uaddr, struct task_struct *curr, int p { u32 uval, uninitialized_var(nval), mval; + /* Futex address must be 32bit aligned */ + if ((((unsigned long)uaddr) % sizeof(*uaddr)) != 0) + return -1; + retry: if (get_user(uval, uaddr)) return -1; diff --git a/kernel/irq/devres.c b/kernel/irq/devres.c index 5d5378ea0afe..f808c6a97dcc 100644 --- a/kernel/irq/devres.c +++ b/kernel/irq/devres.c @@ -84,8 +84,6 @@ EXPORT_SYMBOL(devm_request_threaded_irq); * @dev: device to request interrupt for * @irq: Interrupt line to allocate * @handler: Function to be called when the IRQ occurs - * @thread_fn: function to be called in a threaded interrupt context. NULL - * for devices which handle everything in @handler * @irqflags: Interrupt type flags * @devname: An ascii name for the claiming device, dev_name(dev) if NULL * @dev_id: A cookie passed back to the handler function diff --git a/kernel/irq/manage.c b/kernel/irq/manage.c index 9ec34a2a6638..1401afa0d58a 100644 --- a/kernel/irq/manage.c +++ b/kernel/irq/manage.c @@ -196,6 +196,7 @@ int irq_do_set_affinity(struct irq_data *data, const struct cpumask *mask, case IRQ_SET_MASK_OK: case IRQ_SET_MASK_OK_DONE: cpumask_copy(desc->irq_common_data.affinity, mask); + /* fall through */ case IRQ_SET_MASK_OK_NOCOPY: irq_validate_effective_affinity(data); irq_set_thread_affinity(desc); diff --git a/kernel/ptrace.c b/kernel/ptrace.c index 771e93f9c43f..6f357f4fc859 100644 --- a/kernel/ptrace.c +++ b/kernel/ptrace.c @@ -29,6 +29,7 @@ #include <linux/hw_breakpoint.h> #include <linux/cn_proc.h> #include <linux/compat.h> +#include <linux/sched/signal.h> /* * Access another process' address space via ptrace. @@ -924,18 +925,26 @@ int ptrace_request(struct task_struct *child, long request, ret = ptrace_setsiginfo(child, &siginfo); break; - case PTRACE_GETSIGMASK: + case PTRACE_GETSIGMASK: { + sigset_t *mask; + if (addr != sizeof(sigset_t)) { ret = -EINVAL; break; } - if (copy_to_user(datavp, &child->blocked, sizeof(sigset_t))) + if (test_tsk_restore_sigmask(child)) + mask = &child->saved_sigmask; + else + mask = &child->blocked; + + if (copy_to_user(datavp, mask, sizeof(sigset_t))) ret = -EFAULT; else ret = 0; break; + } case PTRACE_SETSIGMASK: { sigset_t new_set; @@ -961,6 +970,8 @@ int ptrace_request(struct task_struct *child, long request, child->blocked = new_set; spin_unlock_irq(&child->sighand->siglock); + clear_tsk_restore_sigmask(child); + ret = 0; break; } diff --git a/kernel/sched/core.c b/kernel/sched/core.c index ead464a0f2e5..4778c48a7fda 100644 --- a/kernel/sched/core.c +++ b/kernel/sched/core.c @@ -6998,7 +6998,7 @@ static int __maybe_unused cpu_period_quota_parse(char *buf, { char tok[21]; /* U64_MAX */ - if (!sscanf(buf, "%s %llu", tok, periodp)) + if (sscanf(buf, "%20s %llu", tok, periodp) < 1) return -EINVAL; *periodp *= NSEC_PER_USEC; diff --git a/kernel/sched/cpufreq_schedutil.c b/kernel/sched/cpufreq_schedutil.c index 2efe629425be..5c41ea367422 100644 --- a/kernel/sched/cpufreq_schedutil.c +++ b/kernel/sched/cpufreq_schedutil.c @@ -48,10 +48,10 @@ struct sugov_cpu { bool iowait_boost_pending; unsigned int iowait_boost; - unsigned int iowait_boost_max; u64 last_update; unsigned long bw_dl; + unsigned long min; unsigned long max; /* The field below is for single-CPU policies only: */ @@ -303,8 +303,7 @@ static bool sugov_iowait_reset(struct sugov_cpu *sg_cpu, u64 time, if (delta_ns <= TICK_NSEC) return false; - sg_cpu->iowait_boost = set_iowait_boost - ? sg_cpu->sg_policy->policy->min : 0; + sg_cpu->iowait_boost = set_iowait_boost ? sg_cpu->min : 0; sg_cpu->iowait_boost_pending = set_iowait_boost; return true; @@ -344,14 +343,13 @@ static void sugov_iowait_boost(struct sugov_cpu *sg_cpu, u64 time, /* Double the boost at each request */ if (sg_cpu->iowait_boost) { - sg_cpu->iowait_boost <<= 1; - if (sg_cpu->iowait_boost > sg_cpu->iowait_boost_max) - sg_cpu->iowait_boost = sg_cpu->iowait_boost_max; + sg_cpu->iowait_boost = + min_t(unsigned int, sg_cpu->iowait_boost << 1, SCHED_CAPACITY_SCALE); return; } /* First wakeup after IO: start with minimum boost */ - sg_cpu->iowait_boost = sg_cpu->sg_policy->policy->min; + sg_cpu->iowait_boost = sg_cpu->min; } /** @@ -373,47 +371,38 @@ static void sugov_iowait_boost(struct sugov_cpu *sg_cpu, u64 time, * This mechanism is designed to boost high frequently IO waiting tasks, while * being more conservative on tasks which does sporadic IO operations. */ -static void sugov_iowait_apply(struct sugov_cpu *sg_cpu, u64 time, - unsigned long *util, unsigned long *max) +static unsigned long sugov_iowait_apply(struct sugov_cpu *sg_cpu, u64 time, + unsigned long util, unsigned long max) { - unsigned int boost_util, boost_max; + unsigned long boost; /* No boost currently required */ if (!sg_cpu->iowait_boost) - return; + return util; /* Reset boost if the CPU appears to have been idle enough */ if (sugov_iowait_reset(sg_cpu, time, false)) - return; + return util; - /* - * An IO waiting task has just woken up: - * allow to further double the boost value - */ - if (sg_cpu->iowait_boost_pending) { - sg_cpu->iowait_boost_pending = false; - } else { + if (!sg_cpu->iowait_boost_pending) { /* - * Otherwise: reduce the boost value and disable it when we - * reach the minimum. + * No boost pending; reduce the boost value. */ sg_cpu->iowait_boost >>= 1; - if (sg_cpu->iowait_boost < sg_cpu->sg_policy->policy->min) { + if (sg_cpu->iowait_boost < sg_cpu->min) { sg_cpu->iowait_boost = 0; - return; + return util; } } + sg_cpu->iowait_boost_pending = false; + /* - * Apply the current boost value: a CPU is boosted only if its current - * utilization is smaller then the current IO boost level. + * @util is already in capacity scale; convert iowait_boost + * into the same scale so we can compare. */ - boost_util = sg_cpu->iowait_boost; - boost_max = sg_cpu->iowait_boost_max; - if (*util * boost_max < *max * boost_util) { - *util = boost_util; - *max = boost_max; - } + boost = (sg_cpu->iowait_boost * max) >> SCHED_CAPACITY_SHIFT; + return max(boost, util); } #ifdef CONFIG_NO_HZ_COMMON @@ -460,7 +449,7 @@ static void sugov_update_single(struct update_util_data *hook, u64 time, util = sugov_get_util(sg_cpu); max = sg_cpu->max; - sugov_iowait_apply(sg_cpu, time, &util, &max); + util = sugov_iowait_apply(sg_cpu, time, util, max); next_f = get_next_freq(sg_policy, util, max); /* * Do not reduce the frequency if the CPU has not been idle @@ -500,7 +489,7 @@ static unsigned int sugov_next_freq_shared(struct sugov_cpu *sg_cpu, u64 time) j_util = sugov_get_util(j_sg_cpu); j_max = j_sg_cpu->max; - sugov_iowait_apply(j_sg_cpu, time, &j_util, &j_max); + j_util = sugov_iowait_apply(j_sg_cpu, time, j_util, j_max); if (j_util * max > j_max * util) { util = j_util; @@ -837,7 +826,9 @@ static int sugov_start(struct cpufreq_policy *policy) memset(sg_cpu, 0, sizeof(*sg_cpu)); sg_cpu->cpu = cpu; sg_cpu->sg_policy = sg_policy; - sg_cpu->iowait_boost_max = policy->cpuinfo.max_freq; + sg_cpu->min = + (SCHED_CAPACITY_SCALE * policy->cpuinfo.min_freq) / + policy->cpuinfo.max_freq; } for_each_cpu(cpu, policy->cpus) { diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c index ea74d43924b2..fdab7eb6f351 100644 --- a/kernel/sched/fair.c +++ b/kernel/sched/fair.c @@ -8060,6 +8060,18 @@ check_cpu_capacity(struct rq *rq, struct sched_domain *sd) } /* + * Check whether a rq has a misfit task and if it looks like we can actually + * help that task: we can migrate the task to a CPU of higher capacity, or + * the task's current CPU is heavily pressured. + */ +static inline int check_misfit_status(struct rq *rq, struct sched_domain *sd) +{ + return rq->misfit_task_load && + (rq->cpu_capacity_orig < rq->rd->max_cpu_capacity || + check_cpu_capacity(rq, sd)); +} + +/* * Group imbalance indicates (and tries to solve) the problem where balancing * groups is inadequate due to ->cpus_allowed constraints. * @@ -9586,35 +9598,21 @@ static void nohz_balancer_kick(struct rq *rq) if (time_before(now, nohz.next_balance)) goto out; - if (rq->nr_running >= 2 || rq->misfit_task_load) { + if (rq->nr_running >= 2) { flags = NOHZ_KICK_MASK; goto out; } rcu_read_lock(); - sds = rcu_dereference(per_cpu(sd_llc_shared, cpu)); - if (sds) { - /* - * If there is an imbalance between LLC domains (IOW we could - * increase the overall cache use), we need some less-loaded LLC - * domain to pull some load. Likewise, we may need to spread - * load within the current LLC domain (e.g. packed SMT cores but - * other CPUs are idle). We can't really know from here how busy - * the others are - so just get a nohz balance going if it looks - * like this LLC domain has tasks we could move. - */ - nr_busy = atomic_read(&sds->nr_busy_cpus); - if (nr_busy > 1) { - flags = NOHZ_KICK_MASK; - goto unlock; - } - - } sd = rcu_dereference(rq->sd); if (sd) { - if ((rq->cfs.h_nr_running >= 1) && - check_cpu_capacity(rq, sd)) { + /* + * If there's a CFS task and the current CPU has reduced + * capacity; kick the ILB to see if there's a better CPU to run + * on. + */ + if (rq->cfs.h_nr_running >= 1 && check_cpu_capacity(rq, sd)) { flags = NOHZ_KICK_MASK; goto unlock; } @@ -9622,6 +9620,11 @@ static void nohz_balancer_kick(struct rq *rq) sd = rcu_dereference(per_cpu(sd_asym_packing, cpu)); if (sd) { + /* + * When ASYM_PACKING; see if there's a more preferred CPU + * currently idle; in which case, kick the ILB to move tasks + * around. + */ for_each_cpu_and(i, sched_domain_span(sd), nohz.idle_cpus_mask) { if (sched_asym_prefer(i, cpu)) { flags = NOHZ_KICK_MASK; @@ -9629,6 +9632,45 @@ static void nohz_balancer_kick(struct rq *rq) } } } + + sd = rcu_dereference(per_cpu(sd_asym_cpucapacity, cpu)); + if (sd) { + /* + * When ASYM_CPUCAPACITY; see if there's a higher capacity CPU + * to run the misfit task on. + */ + if (check_misfit_status(rq, sd)) { + flags = NOHZ_KICK_MASK; + goto unlock; + } + + /* + * For asymmetric systems, we do not want to nicely balance + * cache use, instead we want to embrace asymmetry and only + * ensure tasks have enough CPU capacity. + * + * Skip the LLC logic because it's not relevant in that case. + */ + goto unlock; + } + + sds = rcu_dereference(per_cpu(sd_llc_shared, cpu)); + if (sds) { + /* + * If there is an imbalance between LLC domains (IOW we could + * increase the overall cache use), we need some less-loaded LLC + * domain to pull some load. Likewise, we may need to spread + * load within the current LLC domain (e.g. packed SMT cores but + * other CPUs are idle). We can't really know from here how busy + * the others are - so just get a nohz balance going if it looks + * like this LLC domain has tasks we could move. + */ + nr_busy = atomic_read(&sds->nr_busy_cpus); + if (nr_busy > 1) { + flags = NOHZ_KICK_MASK; + goto unlock; + } + } unlock: rcu_read_unlock(); out: diff --git a/kernel/time/jiffies.c b/kernel/time/jiffies.c index dc1b6f1929f9..ac9c03dd6c7d 100644 --- a/kernel/time/jiffies.c +++ b/kernel/time/jiffies.c @@ -89,7 +89,7 @@ struct clocksource * __init __weak clocksource_default_clock(void) return &clocksource_jiffies; } -struct clocksource refined_jiffies; +static struct clocksource refined_jiffies; int register_refined_jiffies(long cycles_per_second) { diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c index fa79323331b2..26c8ca9bd06b 100644 --- a/kernel/trace/ftrace.c +++ b/kernel/trace/ftrace.c @@ -1992,7 +1992,7 @@ static void print_bug_type(void) * modifying the code. @failed should be one of either: * EFAULT - if the problem happens on reading the @ip address * EINVAL - if what is read at @ip is not what was expected - * EPERM - if the problem happens on writting to the @ip address + * EPERM - if the problem happens on writing to the @ip address */ void ftrace_bug(int failed, struct dyn_ftrace *rec) { @@ -2391,7 +2391,7 @@ __ftrace_replace_code(struct dyn_ftrace *rec, int enable) return ftrace_modify_call(rec, ftrace_old_addr, ftrace_addr); } - return -1; /* unknow ftrace bug */ + return -1; /* unknown ftrace bug */ } void __weak ftrace_replace_code(int mod_flags) @@ -3004,7 +3004,7 @@ ftrace_allocate_pages(unsigned long num_to_init) int cnt; if (!num_to_init) - return 0; + return NULL; start_pg = pg = kzalloc(sizeof(*pg), GFP_KERNEL); if (!pg) @@ -4755,7 +4755,7 @@ static int ftrace_set_addr(struct ftrace_ops *ops, unsigned long ip, int remove, int reset, int enable) { - return ftrace_set_hash(ops, 0, 0, ip, remove, reset, enable); + return ftrace_set_hash(ops, NULL, 0, ip, remove, reset, enable); } /** @@ -5463,7 +5463,7 @@ void ftrace_create_filter_files(struct ftrace_ops *ops, /* * The name "destroy_filter_files" is really a misnomer. Although - * in the future, it may actualy delete the files, but this is + * in the future, it may actually delete the files, but this is * really intended to make sure the ops passed in are disabled * and that when this function returns, the caller is free to * free the ops. @@ -5786,7 +5786,7 @@ void ftrace_module_enable(struct module *mod) /* * If the tracing is enabled, go ahead and enable the record. * - * The reason not to enable the record immediatelly is the + * The reason not to enable the record immediately is the * inherent check of ftrace_make_nop/ftrace_make_call for * correct previous instructions. Making first the NOP * conversion puts the module to the correct state, thus diff --git a/kernel/trace/trace_dynevent.c b/kernel/trace/trace_dynevent.c index dd1f43588d70..fa100ed3b4de 100644 --- a/kernel/trace/trace_dynevent.c +++ b/kernel/trace/trace_dynevent.c @@ -74,7 +74,7 @@ int dyn_event_release(int argc, char **argv, struct dyn_event_operations *type) static int create_dyn_event(int argc, char **argv) { struct dyn_event_operations *ops; - int ret; + int ret = -ENODEV; if (argv[0][0] == '-' || argv[0][0] == '!') return dyn_event_release(argc, argv, NULL); diff --git a/kernel/trace/trace_events_hist.c b/kernel/trace/trace_events_hist.c index ca46339f3009..795aa2038377 100644 --- a/kernel/trace/trace_events_hist.c +++ b/kernel/trace/trace_events_hist.c @@ -3713,7 +3713,6 @@ static void track_data_destroy(struct hist_trigger_data *hist_data, struct trace_event_file *file = hist_data->event_file; destroy_hist_field(data->track_data.track_var, 0); - destroy_hist_field(data->track_data.var_ref, 0); if (data->action == ACTION_SNAPSHOT) { struct track_data *track_data; diff --git a/kernel/watchdog.c b/kernel/watchdog.c index 8fbfda94a67b..6a5787233113 100644 --- a/kernel/watchdog.c +++ b/kernel/watchdog.c @@ -42,9 +42,9 @@ int __read_mostly watchdog_user_enabled = 1; int __read_mostly nmi_watchdog_user_enabled = NMI_WATCHDOG_DEFAULT; int __read_mostly soft_watchdog_user_enabled = 1; int __read_mostly watchdog_thresh = 10; -int __read_mostly nmi_watchdog_available; +static int __read_mostly nmi_watchdog_available; -struct cpumask watchdog_allowed_mask __read_mostly; +static struct cpumask watchdog_allowed_mask __read_mostly; struct cpumask watchdog_cpumask __read_mostly; unsigned long *watchdog_cpumask_bits = cpumask_bits(&watchdog_cpumask); @@ -554,13 +554,15 @@ static void softlockup_start_all(void) int lockup_detector_online_cpu(unsigned int cpu) { - watchdog_enable(cpu); + if (cpumask_test_cpu(cpu, &watchdog_allowed_mask)) + watchdog_enable(cpu); return 0; } int lockup_detector_offline_cpu(unsigned int cpu) { - watchdog_disable(cpu); + if (cpumask_test_cpu(cpu, &watchdog_allowed_mask)) + watchdog_disable(cpu); return 0; } diff --git a/kernel/workqueue.c b/kernel/workqueue.c index 4026d1871407..ddee541ea97a 100644 --- a/kernel/workqueue.c +++ b/kernel/workqueue.c @@ -4266,7 +4266,7 @@ struct workqueue_struct *alloc_workqueue(const char *fmt, INIT_LIST_HEAD(&wq->list); if (alloc_and_link_pwqs(wq) < 0) - goto err_free_wq; + goto err_unreg_lockdep; if (wq_online && init_rescuer(wq) < 0) goto err_destroy; @@ -4292,9 +4292,10 @@ struct workqueue_struct *alloc_workqueue(const char *fmt, return wq; -err_free_wq: +err_unreg_lockdep: wq_unregister_lockdep(wq); wq_free_lockdep(wq); +err_free_wq: free_workqueue_attrs(wq->unbound_attrs); kfree(wq); return NULL; diff --git a/lib/rhashtable.c b/lib/rhashtable.c index 0a105d4af166..97f59abc3e92 100644 --- a/lib/rhashtable.c +++ b/lib/rhashtable.c @@ -416,8 +416,12 @@ static void rht_deferred_worker(struct work_struct *work) else if (tbl->nest) err = rhashtable_rehash_alloc(ht, tbl, tbl->size); - if (!err) - err = rhashtable_rehash_table(ht); + if (!err || err == -EEXIST) { + int nerr; + + nerr = rhashtable_rehash_table(ht); + err = err ?: nerr; + } mutex_unlock(&ht->mutex); diff --git a/lib/sbitmap.c b/lib/sbitmap.c index 5b382c1244ed..155fe38756ec 100644 --- a/lib/sbitmap.c +++ b/lib/sbitmap.c @@ -591,6 +591,17 @@ EXPORT_SYMBOL_GPL(sbitmap_queue_wake_up); void sbitmap_queue_clear(struct sbitmap_queue *sbq, unsigned int nr, unsigned int cpu) { + /* + * Once the clear bit is set, the bit may be allocated out. + * + * Orders READ/WRITE on the asssociated instance(such as request + * of blk_mq) by this bit for avoiding race with re-allocation, + * and its pair is the memory barrier implied in __sbitmap_get_word. + * + * One invariant is that the clear bit has to be zero when the bit + * is in use. + */ + smp_mb__before_atomic(); sbitmap_deferred_clear_bit(&sbq->sb, nr); /* diff --git a/mm/debug.c b/mm/debug.c index c0b31b6c3877..eee9c221280c 100644 --- a/mm/debug.c +++ b/mm/debug.c @@ -79,7 +79,7 @@ void __dump_page(struct page *page, const char *reason) pr_warn("ksm "); else if (mapping) { pr_warn("%ps ", mapping->a_ops); - if (mapping->host->i_dentry.first) { + if (mapping->host && mapping->host->i_dentry.first) { struct dentry *dentry; dentry = container_of(mapping->host->i_dentry.first, struct dentry, d_u.d_alias); pr_warn("name:\"%pd\" ", dentry); @@ -168,7 +168,7 @@ void dump_mm(const struct mm_struct *mm) mm_pgtables_bytes(mm), mm->map_count, mm->hiwater_rss, mm->hiwater_vm, mm->total_vm, mm->locked_vm, - atomic64_read(&mm->pinned_vm), + (u64)atomic64_read(&mm->pinned_vm), mm->data_vm, mm->exec_vm, mm->stack_vm, mm->start_code, mm->end_code, mm->start_data, mm->end_data, mm->start_brk, mm->brk, mm->start_stack, diff --git a/mm/kasan/kasan.h b/mm/kasan/kasan.h index 3e0c11f7d7a1..3ce956efa0cb 100644 --- a/mm/kasan/kasan.h +++ b/mm/kasan/kasan.h @@ -163,7 +163,10 @@ static inline u8 random_tag(void) #endif #ifndef arch_kasan_set_tag -#define arch_kasan_set_tag(addr, tag) ((void *)(addr)) +static inline const void *arch_kasan_set_tag(const void *addr, u8 tag) +{ + return addr; +} #endif #ifndef arch_kasan_reset_tag #define arch_kasan_reset_tag(addr) ((void *)(addr)) diff --git a/mm/memory.c b/mm/memory.c index 47fe250307c7..ab650c21bccd 100644 --- a/mm/memory.c +++ b/mm/memory.c @@ -1549,10 +1549,12 @@ static vm_fault_t insert_pfn(struct vm_area_struct *vma, unsigned long addr, WARN_ON_ONCE(!is_zero_pfn(pte_pfn(*pte))); goto out_unlock; } - entry = *pte; - goto out_mkwrite; - } else - goto out_unlock; + entry = pte_mkyoung(*pte); + entry = maybe_mkwrite(pte_mkdirty(entry), vma); + if (ptep_set_access_flags(vma, addr, pte, entry, 1)) + update_mmu_cache(vma, addr, pte); + } + goto out_unlock; } /* Ok, finally just insert the thing.. */ @@ -1561,7 +1563,6 @@ static vm_fault_t insert_pfn(struct vm_area_struct *vma, unsigned long addr, else entry = pte_mkspecial(pfn_t_pte(pfn, prot)); -out_mkwrite: if (mkwrite) { entry = pte_mkyoung(entry); entry = maybe_mkwrite(pte_mkdirty(entry), vma); diff --git a/mm/memory_hotplug.c b/mm/memory_hotplug.c index f767582af4f8..0082d699be94 100644 --- a/mm/memory_hotplug.c +++ b/mm/memory_hotplug.c @@ -1576,7 +1576,7 @@ static int __ref __offline_pages(unsigned long start_pfn, { unsigned long pfn, nr_pages; long offlined_pages; - int ret, node; + int ret, node, nr_isolate_pageblock; unsigned long flags; unsigned long valid_start, valid_end; struct zone *zone; @@ -1602,10 +1602,11 @@ static int __ref __offline_pages(unsigned long start_pfn, ret = start_isolate_page_range(start_pfn, end_pfn, MIGRATE_MOVABLE, SKIP_HWPOISON | REPORT_FAILURE); - if (ret) { + if (ret < 0) { reason = "failure to isolate range"; goto failed_removal; } + nr_isolate_pageblock = ret; arg.start_pfn = start_pfn; arg.nr_pages = nr_pages; @@ -1657,8 +1658,16 @@ static int __ref __offline_pages(unsigned long start_pfn, /* Ok, all of our target is isolated. We cannot do rollback at this point. */ offline_isolated_pages(start_pfn, end_pfn); - /* reset pagetype flags and makes migrate type to be MOVABLE */ - undo_isolate_page_range(start_pfn, end_pfn, MIGRATE_MOVABLE); + + /* + * Onlining will reset pagetype flags and makes migrate type + * MOVABLE, so just need to decrease the number of isolated + * pageblocks zone counter here. + */ + spin_lock_irqsave(&zone->lock, flags); + zone->nr_isolate_pageblock -= nr_isolate_pageblock; + spin_unlock_irqrestore(&zone->lock, flags); + /* removal success */ adjust_managed_page_count(pfn_to_page(start_pfn), -offlined_pages); zone->present_pages -= offlined_pages; @@ -1690,12 +1699,12 @@ static int __ref __offline_pages(unsigned long start_pfn, failed_removal_isolated: undo_isolate_page_range(start_pfn, end_pfn, MIGRATE_MOVABLE); + memory_notify(MEM_CANCEL_OFFLINE, &arg); failed_removal: pr_debug("memory offlining [mem %#010llx-%#010llx] failed due to %s\n", (unsigned long long) start_pfn << PAGE_SHIFT, ((unsigned long long) end_pfn << PAGE_SHIFT) - 1, reason); - memory_notify(MEM_CANCEL_OFFLINE, &arg); /* pushback to free area */ mem_hotplug_done(); return ret; diff --git a/mm/mempolicy.c b/mm/mempolicy.c index af171ccb56a2..2219e747df49 100644 --- a/mm/mempolicy.c +++ b/mm/mempolicy.c @@ -428,6 +428,13 @@ static inline bool queue_pages_required(struct page *page, return node_isset(nid, *qp->nmask) == !(flags & MPOL_MF_INVERT); } +/* + * queue_pages_pmd() has three possible return values: + * 1 - pages are placed on the right node or queued successfully. + * 0 - THP was split. + * -EIO - is migration entry or MPOL_MF_STRICT was specified and an existing + * page was already on a node that does not follow the policy. + */ static int queue_pages_pmd(pmd_t *pmd, spinlock_t *ptl, unsigned long addr, unsigned long end, struct mm_walk *walk) { @@ -437,7 +444,7 @@ static int queue_pages_pmd(pmd_t *pmd, spinlock_t *ptl, unsigned long addr, unsigned long flags; if (unlikely(is_pmd_migration_entry(*pmd))) { - ret = 1; + ret = -EIO; goto unlock; } page = pmd_page(*pmd); @@ -454,8 +461,15 @@ static int queue_pages_pmd(pmd_t *pmd, spinlock_t *ptl, unsigned long addr, ret = 1; flags = qp->flags; /* go to thp migration */ - if (flags & (MPOL_MF_MOVE | MPOL_MF_MOVE_ALL)) + if (flags & (MPOL_MF_MOVE | MPOL_MF_MOVE_ALL)) { + if (!vma_migratable(walk->vma)) { + ret = -EIO; + goto unlock; + } + migrate_page_add(page, qp->pagelist, flags); + } else + ret = -EIO; unlock: spin_unlock(ptl); out: @@ -480,8 +494,10 @@ static int queue_pages_pte_range(pmd_t *pmd, unsigned long addr, ptl = pmd_trans_huge_lock(pmd, vma); if (ptl) { ret = queue_pages_pmd(pmd, ptl, addr, end, walk); - if (ret) + if (ret > 0) return 0; + else if (ret < 0) + return ret; } if (pmd_trans_unstable(pmd)) @@ -502,11 +518,16 @@ static int queue_pages_pte_range(pmd_t *pmd, unsigned long addr, continue; if (!queue_pages_required(page, qp)) continue; - migrate_page_add(page, qp->pagelist, flags); + if (flags & (MPOL_MF_MOVE | MPOL_MF_MOVE_ALL)) { + if (!vma_migratable(vma)) + break; + migrate_page_add(page, qp->pagelist, flags); + } else + break; } pte_unmap_unlock(pte - 1, ptl); cond_resched(); - return 0; + return addr != end ? -EIO : 0; } static int queue_pages_hugetlb(pte_t *pte, unsigned long hmask, @@ -576,7 +597,12 @@ static int queue_pages_test_walk(unsigned long start, unsigned long end, unsigned long endvma = vma->vm_end; unsigned long flags = qp->flags; - if (!vma_migratable(vma)) + /* + * Need check MPOL_MF_STRICT to return -EIO if possible + * regardless of vma_migratable + */ + if (!vma_migratable(vma) && + !(flags & MPOL_MF_STRICT)) return 1; if (endvma > end) @@ -603,7 +629,7 @@ static int queue_pages_test_walk(unsigned long start, unsigned long end, } /* queue pages from current vma */ - if (flags & (MPOL_MF_MOVE | MPOL_MF_MOVE_ALL)) + if (flags & MPOL_MF_VALID) return 0; return 1; } diff --git a/mm/migrate.c b/mm/migrate.c index ac6f4939bb59..663a5449367a 100644 --- a/mm/migrate.c +++ b/mm/migrate.c @@ -248,10 +248,8 @@ static bool remove_migration_pte(struct page *page, struct vm_area_struct *vma, pte = swp_entry_to_pte(entry); } else if (is_device_public_page(new)) { pte = pte_mkdevmap(pte); - flush_dcache_page(new); } - } else - flush_dcache_page(new); + } #ifdef CONFIG_HUGETLB_PAGE if (PageHuge(new)) { @@ -995,6 +993,13 @@ static int move_to_new_page(struct page *newpage, struct page *page, */ if (!PageMappingFlags(page)) page->mapping = NULL; + + if (unlikely(is_zone_device_page(newpage))) { + if (is_device_public_page(newpage)) + flush_dcache_page(newpage); + } else + flush_dcache_page(newpage); + } out: return rc; diff --git a/mm/page_alloc.c b/mm/page_alloc.c index 03fcf73d47da..d96ca5bc555b 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -8233,7 +8233,7 @@ int alloc_contig_range(unsigned long start, unsigned long end, ret = start_isolate_page_range(pfn_max_align_down(start), pfn_max_align_up(end), migratetype, 0); - if (ret) + if (ret < 0) return ret; /* diff --git a/mm/page_isolation.c b/mm/page_isolation.c index ce323e56b34d..019280712e1b 100644 --- a/mm/page_isolation.c +++ b/mm/page_isolation.c @@ -59,7 +59,8 @@ static int set_migratetype_isolate(struct page *page, int migratetype, int isol_ * FIXME: Now, memory hotplug doesn't call shrink_slab() by itself. * We just check MOVABLE pages. */ - if (!has_unmovable_pages(zone, page, arg.pages_found, migratetype, flags)) + if (!has_unmovable_pages(zone, page, arg.pages_found, migratetype, + isol_flags)) ret = 0; /* @@ -160,27 +161,36 @@ __first_valid_page(unsigned long pfn, unsigned long nr_pages) return NULL; } -/* - * start_isolate_page_range() -- make page-allocation-type of range of pages - * to be MIGRATE_ISOLATE. - * @start_pfn: The lower PFN of the range to be isolated. - * @end_pfn: The upper PFN of the range to be isolated. - * @migratetype: migrate type to set in error recovery. +/** + * start_isolate_page_range() - make page-allocation-type of range of pages to + * be MIGRATE_ISOLATE. + * @start_pfn: The lower PFN of the range to be isolated. + * @end_pfn: The upper PFN of the range to be isolated. + * start_pfn/end_pfn must be aligned to pageblock_order. + * @migratetype: Migrate type to set in error recovery. + * @flags: The following flags are allowed (they can be combined in + * a bit mask) + * SKIP_HWPOISON - ignore hwpoison pages + * REPORT_FAILURE - report details about the failure to + * isolate the range * * Making page-allocation-type to be MIGRATE_ISOLATE means free pages in * the range will never be allocated. Any free pages and pages freed in the - * future will not be allocated again. - * - * start_pfn/end_pfn must be aligned to pageblock_order. - * Return 0 on success and -EBUSY if any part of range cannot be isolated. + * future will not be allocated again. If specified range includes migrate types + * other than MOVABLE or CMA, this will fail with -EBUSY. For isolating all + * pages in the range finally, the caller have to free all pages in the range. + * test_page_isolated() can be used for test it. * * There is no high level synchronization mechanism that prevents two threads - * from trying to isolate overlapping ranges. If this happens, one thread + * from trying to isolate overlapping ranges. If this happens, one thread * will notice pageblocks in the overlapping range already set to isolate. * This happens in set_migratetype_isolate, and set_migratetype_isolate - * returns an error. We then clean up by restoring the migration type on - * pageblocks we may have modified and return -EBUSY to caller. This + * returns an error. We then clean up by restoring the migration type on + * pageblocks we may have modified and return -EBUSY to caller. This * prevents two threads from simultaneously working on overlapping ranges. + * + * Return: the number of isolated pageblocks on success and -EBUSY if any part + * of range cannot be isolated. */ int start_isolate_page_range(unsigned long start_pfn, unsigned long end_pfn, unsigned migratetype, int flags) @@ -188,6 +198,7 @@ int start_isolate_page_range(unsigned long start_pfn, unsigned long end_pfn, unsigned long pfn; unsigned long undo_pfn; struct page *page; + int nr_isolate_pageblock = 0; BUG_ON(!IS_ALIGNED(start_pfn, pageblock_nr_pages)); BUG_ON(!IS_ALIGNED(end_pfn, pageblock_nr_pages)); @@ -196,13 +207,15 @@ int start_isolate_page_range(unsigned long start_pfn, unsigned long end_pfn, pfn < end_pfn; pfn += pageblock_nr_pages) { page = __first_valid_page(pfn, pageblock_nr_pages); - if (page && - set_migratetype_isolate(page, migratetype, flags)) { - undo_pfn = pfn; - goto undo; + if (page) { + if (set_migratetype_isolate(page, migratetype, flags)) { + undo_pfn = pfn; + goto undo; + } + nr_isolate_pageblock++; } } - return 0; + return nr_isolate_pageblock; undo: for (pfn = start_pfn; pfn < undo_pfn; diff --git a/mm/slab.c b/mm/slab.c index 28652e4218e0..329bfe67f2ca 100644 --- a/mm/slab.c +++ b/mm/slab.c @@ -2115,6 +2115,8 @@ done: cachep->allocflags = __GFP_COMP; if (flags & SLAB_CACHE_DMA) cachep->allocflags |= GFP_DMA; + if (flags & SLAB_CACHE_DMA32) + cachep->allocflags |= GFP_DMA32; if (flags & SLAB_RECLAIM_ACCOUNT) cachep->allocflags |= __GFP_RECLAIMABLE; cachep->size = size; diff --git a/mm/slab.h b/mm/slab.h index e5e6658eeacc..43ac818b8592 100644 --- a/mm/slab.h +++ b/mm/slab.h @@ -127,7 +127,8 @@ static inline slab_flags_t kmem_cache_flags(unsigned int object_size, /* Legal flag mask for kmem_cache_create(), for various configurations */ -#define SLAB_CORE_FLAGS (SLAB_HWCACHE_ALIGN | SLAB_CACHE_DMA | SLAB_PANIC | \ +#define SLAB_CORE_FLAGS (SLAB_HWCACHE_ALIGN | SLAB_CACHE_DMA | \ + SLAB_CACHE_DMA32 | SLAB_PANIC | \ SLAB_TYPESAFE_BY_RCU | SLAB_DEBUG_OBJECTS ) #if defined(CONFIG_DEBUG_SLAB) diff --git a/mm/slab_common.c b/mm/slab_common.c index 03eeb8b7b4b1..58251ba63e4a 100644 --- a/mm/slab_common.c +++ b/mm/slab_common.c @@ -53,7 +53,7 @@ static DECLARE_WORK(slab_caches_to_rcu_destroy_work, SLAB_FAILSLAB | SLAB_KASAN) #define SLAB_MERGE_SAME (SLAB_RECLAIM_ACCOUNT | SLAB_CACHE_DMA | \ - SLAB_ACCOUNT) + SLAB_CACHE_DMA32 | SLAB_ACCOUNT) /* * Merge control. If this is set then no merging of slab caches will occur. diff --git a/mm/slub.c b/mm/slub.c index 1b08fbcb7e61..d30ede89f4a6 100644 --- a/mm/slub.c +++ b/mm/slub.c @@ -3589,6 +3589,9 @@ static int calculate_sizes(struct kmem_cache *s, int forced_order) if (s->flags & SLAB_CACHE_DMA) s->allocflags |= GFP_DMA; + if (s->flags & SLAB_CACHE_DMA32) + s->allocflags |= GFP_DMA32; + if (s->flags & SLAB_RECLAIM_ACCOUNT) s->allocflags |= __GFP_RECLAIMABLE; @@ -5679,6 +5682,8 @@ static char *create_unique_id(struct kmem_cache *s) */ if (s->flags & SLAB_CACHE_DMA) *p++ = 'd'; + if (s->flags & SLAB_CACHE_DMA32) + *p++ = 'D'; if (s->flags & SLAB_RECLAIM_ACCOUNT) *p++ = 'a'; if (s->flags & SLAB_CONSISTENCY_CHECKS) diff --git a/mm/sparse.c b/mm/sparse.c index 69904aa6165b..56e057c432f9 100644 --- a/mm/sparse.c +++ b/mm/sparse.c @@ -567,7 +567,7 @@ void online_mem_sections(unsigned long start_pfn, unsigned long end_pfn) } #ifdef CONFIG_MEMORY_HOTREMOVE -/* Mark all memory sections within the pfn range as online */ +/* Mark all memory sections within the pfn range as offline */ void offline_mem_sections(unsigned long start_pfn, unsigned long end_pfn) { unsigned long pfn; diff --git a/net/appletalk/aarp.c b/net/appletalk/aarp.c index 49a16cee2aae..420a98bf79b5 100644 --- a/net/appletalk/aarp.c +++ b/net/appletalk/aarp.c @@ -879,15 +879,24 @@ static struct notifier_block aarp_notifier = { static unsigned char aarp_snap_id[] = { 0x00, 0x00, 0x00, 0x80, 0xF3 }; -void __init aarp_proto_init(void) +int __init aarp_proto_init(void) { + int rc; + aarp_dl = register_snap_client(aarp_snap_id, aarp_rcv); - if (!aarp_dl) + if (!aarp_dl) { printk(KERN_CRIT "Unable to register AARP with SNAP.\n"); + return -ENOMEM; + } timer_setup(&aarp_timer, aarp_expire_timeout, 0); aarp_timer.expires = jiffies + sysctl_aarp_expiry_time; add_timer(&aarp_timer); - register_netdevice_notifier(&aarp_notifier); + rc = register_netdevice_notifier(&aarp_notifier); + if (rc) { + del_timer_sync(&aarp_timer); + unregister_snap_client(aarp_dl); + } + return rc; } /* Remove the AARP entries associated with a device. */ diff --git a/net/appletalk/ddp.c b/net/appletalk/ddp.c index 795fbc6c06aa..709d2542f729 100644 --- a/net/appletalk/ddp.c +++ b/net/appletalk/ddp.c @@ -1904,9 +1904,6 @@ static unsigned char ddp_snap_id[] = { 0x08, 0x00, 0x07, 0x80, 0x9B }; EXPORT_SYMBOL(atrtr_get_dev); EXPORT_SYMBOL(atalk_find_dev_addr); -static const char atalk_err_snap[] __initconst = - KERN_CRIT "Unable to register DDP with SNAP.\n"; - /* Called by proto.c on kernel start up */ static int __init atalk_init(void) { @@ -1921,17 +1918,22 @@ static int __init atalk_init(void) goto out_proto; ddp_dl = register_snap_client(ddp_snap_id, atalk_rcv); - if (!ddp_dl) - printk(atalk_err_snap); + if (!ddp_dl) { + pr_crit("Unable to register DDP with SNAP.\n"); + goto out_sock; + } dev_add_pack(<alk_packet_type); dev_add_pack(&ppptalk_packet_type); rc = register_netdevice_notifier(&ddp_notifier); if (rc) - goto out_sock; + goto out_snap; + + rc = aarp_proto_init(); + if (rc) + goto out_dev; - aarp_proto_init(); rc = atalk_proc_init(); if (rc) goto out_aarp; @@ -1945,11 +1947,13 @@ out_proc: atalk_proc_exit(); out_aarp: aarp_cleanup_module(); +out_dev: unregister_netdevice_notifier(&ddp_notifier); -out_sock: +out_snap: dev_remove_pack(&ppptalk_packet_type); dev_remove_pack(<alk_packet_type); unregister_snap_client(ddp_dl); +out_sock: sock_unregister(PF_APPLETALK); out_proto: proto_unregister(&ddp_proto); diff --git a/net/bridge/br_netfilter_hooks.c b/net/bridge/br_netfilter_hooks.c index 9d34de68571b..22afa566cbce 100644 --- a/net/bridge/br_netfilter_hooks.c +++ b/net/bridge/br_netfilter_hooks.c @@ -502,6 +502,7 @@ static unsigned int br_nf_pre_routing(void *priv, nf_bridge->ipv4_daddr = ip_hdr(skb)->daddr; skb->protocol = htons(ETH_P_IP); + skb->transport_header = skb->network_header + ip_hdr(skb)->ihl * 4; NF_HOOK(NFPROTO_IPV4, NF_INET_PRE_ROUTING, state->net, state->sk, skb, skb->dev, NULL, diff --git a/net/bridge/br_netfilter_ipv6.c b/net/bridge/br_netfilter_ipv6.c index 564710f88f93..e88d6641647b 100644 --- a/net/bridge/br_netfilter_ipv6.c +++ b/net/bridge/br_netfilter_ipv6.c @@ -235,6 +235,8 @@ unsigned int br_nf_pre_routing_ipv6(void *priv, nf_bridge->ipv6_daddr = ipv6_hdr(skb)->daddr; skb->protocol = htons(ETH_P_IPV6); + skb->transport_header = skb->network_header + sizeof(struct ipv6hdr); + NF_HOOK(NFPROTO_IPV6, NF_INET_PRE_ROUTING, state->net, state->sk, skb, skb->dev, NULL, br_nf_pre_routing_finish_ipv6); diff --git a/net/ceph/ceph_common.c b/net/ceph/ceph_common.c index 9cab80207ced..79eac465ec65 100644 --- a/net/ceph/ceph_common.c +++ b/net/ceph/ceph_common.c @@ -738,7 +738,6 @@ int __ceph_open_session(struct ceph_client *client, unsigned long started) } EXPORT_SYMBOL(__ceph_open_session); - int ceph_open_session(struct ceph_client *client) { int ret; @@ -754,6 +753,23 @@ int ceph_open_session(struct ceph_client *client) } EXPORT_SYMBOL(ceph_open_session); +int ceph_wait_for_latest_osdmap(struct ceph_client *client, + unsigned long timeout) +{ + u64 newest_epoch; + int ret; + + ret = ceph_monc_get_version(&client->monc, "osdmap", &newest_epoch); + if (ret) + return ret; + + if (client->osdc.osdmap->epoch >= newest_epoch) + return 0; + + ceph_osdc_maybe_request_map(&client->osdc); + return ceph_monc_wait_osdmap(&client->monc, newest_epoch, timeout); +} +EXPORT_SYMBOL(ceph_wait_for_latest_osdmap); static int __init init_ceph_lib(void) { diff --git a/net/ceph/messenger.c b/net/ceph/messenger.c index 7e71b0df1fbc..3083988ce729 100644 --- a/net/ceph/messenger.c +++ b/net/ceph/messenger.c @@ -840,6 +840,7 @@ static bool ceph_msg_data_bio_advance(struct ceph_msg_data_cursor *cursor, size_t bytes) { struct ceph_bio_iter *it = &cursor->bio_iter; + struct page *page = bio_iter_page(it->bio, it->iter); BUG_ON(bytes > cursor->resid); BUG_ON(bytes > bio_iter_len(it->bio, it->iter)); @@ -851,7 +852,8 @@ static bool ceph_msg_data_bio_advance(struct ceph_msg_data_cursor *cursor, return false; /* no more data */ } - if (!bytes || (it->iter.bi_size && it->iter.bi_bvec_done)) + if (!bytes || (it->iter.bi_size && it->iter.bi_bvec_done && + page == bio_iter_page(it->bio, it->iter))) return false; /* more bytes to process in this segment */ if (!it->iter.bi_size) { @@ -899,6 +901,7 @@ static bool ceph_msg_data_bvecs_advance(struct ceph_msg_data_cursor *cursor, size_t bytes) { struct bio_vec *bvecs = cursor->data->bvec_pos.bvecs; + struct page *page = bvec_iter_page(bvecs, cursor->bvec_iter); BUG_ON(bytes > cursor->resid); BUG_ON(bytes > bvec_iter_len(bvecs, cursor->bvec_iter)); @@ -910,7 +913,8 @@ static bool ceph_msg_data_bvecs_advance(struct ceph_msg_data_cursor *cursor, return false; /* no more data */ } - if (!bytes || cursor->bvec_iter.bi_bvec_done) + if (!bytes || (cursor->bvec_iter.bi_bvec_done && + page == bvec_iter_page(bvecs, cursor->bvec_iter))) return false; /* more bytes to process in this segment */ BUG_ON(cursor->last_piece); diff --git a/net/ceph/mon_client.c b/net/ceph/mon_client.c index 18deb3d889c4..a53e4fbb6319 100644 --- a/net/ceph/mon_client.c +++ b/net/ceph/mon_client.c @@ -922,6 +922,15 @@ int ceph_monc_blacklist_add(struct ceph_mon_client *monc, mutex_unlock(&monc->mutex); ret = wait_generic_request(req); + if (!ret) + /* + * Make sure we have the osdmap that includes the blacklist + * entry. This is needed to ensure that the OSDs pick up the + * new blacklist before processing any future requests from + * this client. + */ + ret = ceph_wait_for_latest_osdmap(monc->client, 0); + out: put_generic_request(req); return ret; diff --git a/net/core/devlink.c b/net/core/devlink.c index 78e22cea4cc7..da0a29f30885 100644 --- a/net/core/devlink.c +++ b/net/core/devlink.c @@ -3897,6 +3897,11 @@ static int devlink_nl_cmd_info_get_dumpit(struct sk_buff *msg, continue; } + if (!devlink->ops->info_get) { + idx++; + continue; + } + mutex_lock(&devlink->lock); err = devlink_nl_info_fill(msg, devlink, DEVLINK_CMD_INFO_GET, NETLINK_CB(cb->skb).portid, diff --git a/net/core/filter.c b/net/core/filter.c index f274620945ff..647c63a7b25b 100644 --- a/net/core/filter.c +++ b/net/core/filter.c @@ -1796,8 +1796,6 @@ static const struct bpf_func_proto bpf_skb_pull_data_proto = { BPF_CALL_1(bpf_sk_fullsock, struct sock *, sk) { - sk = sk_to_full_sk(sk); - return sk_fullsock(sk) ? (unsigned long)sk : (unsigned long)NULL; } @@ -5266,7 +5264,7 @@ static const struct bpf_func_proto bpf_sk_release_proto = { .func = bpf_sk_release, .gpl_only = false, .ret_type = RET_INTEGER, - .arg1_type = ARG_PTR_TO_SOCKET, + .arg1_type = ARG_PTR_TO_SOCK_COMMON, }; BPF_CALL_5(bpf_xdp_sk_lookup_udp, struct xdp_buff *, ctx, @@ -5407,8 +5405,6 @@ u32 bpf_tcp_sock_convert_ctx_access(enum bpf_access_type type, BPF_CALL_1(bpf_tcp_sock, struct sock *, sk) { - sk = sk_to_full_sk(sk); - if (sk_fullsock(sk) && sk->sk_protocol == IPPROTO_TCP) return (unsigned long)sk; @@ -5422,6 +5418,23 @@ static const struct bpf_func_proto bpf_tcp_sock_proto = { .arg1_type = ARG_PTR_TO_SOCK_COMMON, }; +BPF_CALL_1(bpf_get_listener_sock, struct sock *, sk) +{ + sk = sk_to_full_sk(sk); + + if (sk->sk_state == TCP_LISTEN && sock_flag(sk, SOCK_RCU_FREE)) + return (unsigned long)sk; + + return (unsigned long)NULL; +} + +static const struct bpf_func_proto bpf_get_listener_sock_proto = { + .func = bpf_get_listener_sock, + .gpl_only = false, + .ret_type = RET_PTR_TO_SOCKET_OR_NULL, + .arg1_type = ARG_PTR_TO_SOCK_COMMON, +}; + BPF_CALL_1(bpf_skb_ecn_set_ce, struct sk_buff *, skb) { unsigned int iphdr_len; @@ -5607,6 +5620,8 @@ cg_skb_func_proto(enum bpf_func_id func_id, const struct bpf_prog *prog) #ifdef CONFIG_INET case BPF_FUNC_tcp_sock: return &bpf_tcp_sock_proto; + case BPF_FUNC_get_listener_sock: + return &bpf_get_listener_sock_proto; case BPF_FUNC_skb_ecn_set_ce: return &bpf_skb_ecn_set_ce_proto; #endif @@ -5702,6 +5717,8 @@ tc_cls_act_func_proto(enum bpf_func_id func_id, const struct bpf_prog *prog) return &bpf_sk_release_proto; case BPF_FUNC_tcp_sock: return &bpf_tcp_sock_proto; + case BPF_FUNC_get_listener_sock: + return &bpf_get_listener_sock_proto; #endif default: return bpf_base_func_proto(func_id); diff --git a/net/core/net-sysfs.c b/net/core/net-sysfs.c index 4ff661f6f989..f8f94303a1f5 100644 --- a/net/core/net-sysfs.c +++ b/net/core/net-sysfs.c @@ -928,6 +928,8 @@ static int rx_queue_add_kobject(struct net_device *dev, int index) if (error) return error; + dev_hold(queue->dev); + if (dev->sysfs_rx_queue_group) { error = sysfs_create_group(kobj, dev->sysfs_rx_queue_group); if (error) { @@ -937,7 +939,6 @@ static int rx_queue_add_kobject(struct net_device *dev, int index) } kobject_uevent(kobj, KOBJ_ADD); - dev_hold(queue->dev); return error; } @@ -1464,6 +1465,8 @@ static int netdev_queue_add_kobject(struct net_device *dev, int index) if (error) return error; + dev_hold(queue->dev); + #ifdef CONFIG_BQL error = sysfs_create_group(kobj, &dql_group); if (error) { @@ -1473,7 +1476,6 @@ static int netdev_queue_add_kobject(struct net_device *dev, int index) #endif kobject_uevent(kobj, KOBJ_ADD); - dev_hold(queue->dev); return 0; } @@ -1745,16 +1747,20 @@ int netdev_register_kobject(struct net_device *ndev) error = device_add(dev); if (error) - return error; + goto error_put_device; error = register_queue_kobjects(ndev); - if (error) { - device_del(dev); - return error; - } + if (error) + goto error_device_del; pm_runtime_set_memalloc_noio(dev, true); + return 0; + +error_device_del: + device_del(dev); +error_put_device: + put_device(dev); return error; } diff --git a/net/dccp/ipv6.c b/net/dccp/ipv6.c index d5740bad5b18..57d84e9b7b6f 100644 --- a/net/dccp/ipv6.c +++ b/net/dccp/ipv6.c @@ -436,8 +436,8 @@ static struct sock *dccp_v6_request_recv_sock(const struct sock *sk, newnp->ipv6_mc_list = NULL; newnp->ipv6_ac_list = NULL; newnp->ipv6_fl_list = NULL; - newnp->mcast_oif = inet6_iif(skb); - newnp->mcast_hops = ipv6_hdr(skb)->hop_limit; + newnp->mcast_oif = inet_iif(skb); + newnp->mcast_hops = ip_hdr(skb)->ttl; /* * No need to charge this sock to the relevant IPv6 refcnt debug socks count diff --git a/net/ipv6/netfilter/ip6t_srh.c b/net/ipv6/netfilter/ip6t_srh.c index 1059894a6f4c..4cb83fb69844 100644 --- a/net/ipv6/netfilter/ip6t_srh.c +++ b/net/ipv6/netfilter/ip6t_srh.c @@ -210,6 +210,8 @@ static bool srh1_mt6(const struct sk_buff *skb, struct xt_action_param *par) psidoff = srhoff + sizeof(struct ipv6_sr_hdr) + ((srh->segments_left + 1) * sizeof(struct in6_addr)); psid = skb_header_pointer(skb, psidoff, sizeof(_psid), &_psid); + if (!psid) + return false; if (NF_SRH_INVF(srhinfo, IP6T_SRH_INV_PSID, ipv6_masked_addr_cmp(psid, &srhinfo->psid_msk, &srhinfo->psid_addr))) @@ -223,6 +225,8 @@ static bool srh1_mt6(const struct sk_buff *skb, struct xt_action_param *par) nsidoff = srhoff + sizeof(struct ipv6_sr_hdr) + ((srh->segments_left - 1) * sizeof(struct in6_addr)); nsid = skb_header_pointer(skb, nsidoff, sizeof(_nsid), &_nsid); + if (!nsid) + return false; if (NF_SRH_INVF(srhinfo, IP6T_SRH_INV_NSID, ipv6_masked_addr_cmp(nsid, &srhinfo->nsid_msk, &srhinfo->nsid_addr))) @@ -233,6 +237,8 @@ static bool srh1_mt6(const struct sk_buff *skb, struct xt_action_param *par) if (srhinfo->mt_flags & IP6T_SRH_LSID) { lsidoff = srhoff + sizeof(struct ipv6_sr_hdr); lsid = skb_header_pointer(skb, lsidoff, sizeof(_lsid), &_lsid); + if (!lsid) + return false; if (NF_SRH_INVF(srhinfo, IP6T_SRH_INV_LSID, ipv6_masked_addr_cmp(lsid, &srhinfo->lsid_msk, &srhinfo->lsid_addr))) diff --git a/net/ipv6/route.c b/net/ipv6/route.c index 4ef4bbdb49d4..0302e0eb07af 100644 --- a/net/ipv6/route.c +++ b/net/ipv6/route.c @@ -1040,14 +1040,20 @@ static struct rt6_info *ip6_create_rt_rcu(struct fib6_info *rt) struct rt6_info *nrt; if (!fib6_info_hold_safe(rt)) - return NULL; + goto fallback; nrt = ip6_dst_alloc(dev_net(dev), dev, flags); - if (nrt) - ip6_rt_copy_init(nrt, rt); - else + if (!nrt) { fib6_info_release(rt); + goto fallback; + } + ip6_rt_copy_init(nrt, rt); + return nrt; + +fallback: + nrt = dev_net(dev)->ipv6.ip6_null_entry; + dst_hold(&nrt->dst); return nrt; } @@ -1096,10 +1102,6 @@ restart: dst_hold(&rt->dst); } else { rt = ip6_create_rt_rcu(f6i); - if (!rt) { - rt = net->ipv6.ip6_null_entry; - dst_hold(&rt->dst); - } } rcu_read_unlock(); diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c index 57ef69a10889..44d431849d39 100644 --- a/net/ipv6/tcp_ipv6.c +++ b/net/ipv6/tcp_ipv6.c @@ -1110,11 +1110,11 @@ static struct sock *tcp_v6_syn_recv_sock(const struct sock *sk, struct sk_buff * newnp->ipv6_fl_list = NULL; newnp->pktoptions = NULL; newnp->opt = NULL; - newnp->mcast_oif = tcp_v6_iif(skb); - newnp->mcast_hops = ipv6_hdr(skb)->hop_limit; - newnp->rcv_flowinfo = ip6_flowinfo(ipv6_hdr(skb)); + newnp->mcast_oif = inet_iif(skb); + newnp->mcast_hops = ip_hdr(skb)->ttl; + newnp->rcv_flowinfo = 0; if (np->repflow) - newnp->flow_label = ip6_flowlabel(ipv6_hdr(skb)); + newnp->flow_label = 0; /* * No need to charge this sock to the relevant IPv6 refcnt debug socks count diff --git a/net/mpls/mpls_iptunnel.c b/net/mpls/mpls_iptunnel.c index dda8930f20e7..f3a8557494d6 100644 --- a/net/mpls/mpls_iptunnel.c +++ b/net/mpls/mpls_iptunnel.c @@ -140,9 +140,15 @@ static int mpls_xmit(struct sk_buff *skb) if (rt) err = neigh_xmit(NEIGH_ARP_TABLE, out_dev, &rt->rt_gateway, skb); - else if (rt6) - err = neigh_xmit(NEIGH_ND_TABLE, out_dev, &rt6->rt6i_gateway, - skb); + else if (rt6) { + if (ipv6_addr_v4mapped(&rt6->rt6i_gateway)) { + /* 6PE (RFC 4798) */ + err = neigh_xmit(NEIGH_ARP_TABLE, out_dev, &rt6->rt6i_gateway.s6_addr32[3], + skb); + } else + err = neigh_xmit(NEIGH_ND_TABLE, out_dev, &rt6->rt6i_gateway, + skb); + } if (err) net_dbg_ratelimited("%s: packet transmission failed: %d\n", __func__, err); diff --git a/net/ncsi/ncsi-netlink.c b/net/ncsi/ncsi-netlink.c index 5d782445d2fc..bad17bba8ba7 100644 --- a/net/ncsi/ncsi-netlink.c +++ b/net/ncsi/ncsi-netlink.c @@ -251,6 +251,10 @@ static int ncsi_pkg_info_all_nl(struct sk_buff *skb, } attr = nla_nest_start(skb, NCSI_ATTR_PACKAGE_LIST); + if (!attr) { + rc = -EMSGSIZE; + goto err; + } rc = ncsi_write_package_info(skb, ndp, package->id); if (rc) { nla_nest_cancel(skb, attr); diff --git a/net/netfilter/Kconfig b/net/netfilter/Kconfig index d43ffb09939b..6548271209a0 100644 --- a/net/netfilter/Kconfig +++ b/net/netfilter/Kconfig @@ -1007,6 +1007,7 @@ config NETFILTER_XT_TARGET_TEE depends on NETFILTER_ADVANCED depends on IPV6 || IPV6=n depends on !NF_CONNTRACK || NF_CONNTRACK + depends on IP6_NF_IPTABLES || !IP6_NF_IPTABLES select NF_DUP_IPV4 select NF_DUP_IPV6 if IP6_NF_IPTABLES ---help--- diff --git a/net/netfilter/nf_conntrack_sip.c b/net/netfilter/nf_conntrack_sip.c index f067c6b50857..39fcc1ed18f3 100644 --- a/net/netfilter/nf_conntrack_sip.c +++ b/net/netfilter/nf_conntrack_sip.c @@ -20,9 +20,9 @@ #include <linux/udp.h> #include <linux/tcp.h> #include <linux/netfilter.h> +#include <linux/netfilter_ipv4.h> +#include <linux/netfilter_ipv6.h> -#include <net/route.h> -#include <net/ip6_route.h> #include <net/netfilter/nf_conntrack.h> #include <net/netfilter/nf_conntrack_core.h> #include <net/netfilter/nf_conntrack_expect.h> @@ -871,38 +871,33 @@ static int set_expected_rtp_rtcp(struct sk_buff *skb, unsigned int protoff, } else if (sip_external_media) { struct net_device *dev = skb_dst(skb)->dev; struct net *net = dev_net(dev); - struct rtable *rt; - struct flowi4 fl4 = {}; -#if IS_ENABLED(CONFIG_IPV6) - struct flowi6 fl6 = {}; -#endif + struct flowi fl; struct dst_entry *dst = NULL; + memset(&fl, 0, sizeof(fl)); + switch (nf_ct_l3num(ct)) { case NFPROTO_IPV4: - fl4.daddr = daddr->ip; - rt = ip_route_output_key(net, &fl4); - if (!IS_ERR(rt)) - dst = &rt->dst; + fl.u.ip4.daddr = daddr->ip; + nf_ip_route(net, &dst, &fl, false); break; -#if IS_ENABLED(CONFIG_IPV6) case NFPROTO_IPV6: - fl6.daddr = daddr->in6; - dst = ip6_route_output(net, NULL, &fl6); - if (dst->error) { - dst_release(dst); - dst = NULL; - } + fl.u.ip6.daddr = daddr->in6; + nf_ip6_route(net, &dst, &fl, false); break; -#endif } /* Don't predict any conntracks when media endpoint is reachable * through the same interface as the signalling peer. */ - if (dst && dst->dev == dev) - return NF_ACCEPT; + if (dst) { + bool external_media = (dst->dev == dev); + + dst_release(dst); + if (external_media) + return NF_ACCEPT; + } } /* We need to check whether the registration exists before attempting diff --git a/net/netfilter/nf_tables_api.c b/net/netfilter/nf_tables_api.c index 513f93118604..ef7772e976cc 100644 --- a/net/netfilter/nf_tables_api.c +++ b/net/netfilter/nf_tables_api.c @@ -2806,8 +2806,11 @@ err2: nf_tables_rule_release(&ctx, rule); err1: for (i = 0; i < n; i++) { - if (info[i].ops != NULL) + if (info[i].ops) { module_put(info[i].ops->type->owner); + if (info[i].ops->type->release_ops) + info[i].ops->type->release_ops(info[i].ops); + } } kvfree(info); return err; diff --git a/net/netfilter/nft_objref.c b/net/netfilter/nft_objref.c index 457a9ceb46af..8dfa798ea683 100644 --- a/net/netfilter/nft_objref.c +++ b/net/netfilter/nft_objref.c @@ -65,21 +65,34 @@ nla_put_failure: return -1; } -static void nft_objref_destroy(const struct nft_ctx *ctx, - const struct nft_expr *expr) +static void nft_objref_deactivate(const struct nft_ctx *ctx, + const struct nft_expr *expr, + enum nft_trans_phase phase) { struct nft_object *obj = nft_objref_priv(expr); + if (phase == NFT_TRANS_COMMIT) + return; + obj->use--; } +static void nft_objref_activate(const struct nft_ctx *ctx, + const struct nft_expr *expr) +{ + struct nft_object *obj = nft_objref_priv(expr); + + obj->use++; +} + static struct nft_expr_type nft_objref_type; static const struct nft_expr_ops nft_objref_ops = { .type = &nft_objref_type, .size = NFT_EXPR_SIZE(sizeof(struct nft_object *)), .eval = nft_objref_eval, .init = nft_objref_init, - .destroy = nft_objref_destroy, + .activate = nft_objref_activate, + .deactivate = nft_objref_deactivate, .dump = nft_objref_dump, }; diff --git a/net/netfilter/nft_redir.c b/net/netfilter/nft_redir.c index f8092926f704..a340cd8a751b 100644 --- a/net/netfilter/nft_redir.c +++ b/net/netfilter/nft_redir.c @@ -233,5 +233,5 @@ module_exit(nft_redir_module_exit); MODULE_LICENSE("GPL"); MODULE_AUTHOR("Arturo Borrero Gonzalez <arturo@debian.org>"); -MODULE_ALIAS_NFT_AF_EXPR(AF_INET4, "redir"); +MODULE_ALIAS_NFT_AF_EXPR(AF_INET, "redir"); MODULE_ALIAS_NFT_AF_EXPR(AF_INET6, "redir"); diff --git a/net/netfilter/nft_set_rbtree.c b/net/netfilter/nft_set_rbtree.c index fa61208371f8..321a0036fdf5 100644 --- a/net/netfilter/nft_set_rbtree.c +++ b/net/netfilter/nft_set_rbtree.c @@ -308,10 +308,6 @@ static void *nft_rbtree_deactivate(const struct net *net, else if (d > 0) parent = parent->rb_right; else { - if (!nft_set_elem_active(&rbe->ext, genmask)) { - parent = parent->rb_left; - continue; - } if (nft_rbtree_interval_end(rbe) && !nft_rbtree_interval_end(this)) { parent = parent->rb_left; @@ -320,6 +316,9 @@ static void *nft_rbtree_deactivate(const struct net *net, nft_rbtree_interval_end(this)) { parent = parent->rb_right; continue; + } else if (!nft_set_elem_active(&rbe->ext, genmask)) { + parent = parent->rb_left; + continue; } nft_rbtree_flush(net, set, rbe); return rbe; diff --git a/net/netlink/genetlink.c b/net/netlink/genetlink.c index 25eeb6d2a75a..f0ec068e1d02 100644 --- a/net/netlink/genetlink.c +++ b/net/netlink/genetlink.c @@ -366,7 +366,7 @@ int genl_register_family(struct genl_family *family) start, end + 1, GFP_KERNEL); if (family->id < 0) { err = family->id; - goto errout_locked; + goto errout_free; } err = genl_validate_assign_mc_groups(family); @@ -385,6 +385,7 @@ int genl_register_family(struct genl_family *family) errout_remove: idr_remove(&genl_fam_idr, family->id); +errout_free: kfree(family->attrbuf); errout_locked: genl_unlock_all(); diff --git a/net/nfc/llcp_sock.c b/net/nfc/llcp_sock.c index ae296273ce3d..17dcd0b5eb32 100644 --- a/net/nfc/llcp_sock.c +++ b/net/nfc/llcp_sock.c @@ -726,6 +726,10 @@ static int llcp_sock_connect(struct socket *sock, struct sockaddr *_addr, llcp_sock->service_name = kmemdup(addr->service_name, llcp_sock->service_name_len, GFP_KERNEL); + if (!llcp_sock->service_name) { + ret = -ENOMEM; + goto sock_llcp_release; + } nfc_llcp_sock_link(&local->connecting_sockets, sk); @@ -745,10 +749,11 @@ static int llcp_sock_connect(struct socket *sock, struct sockaddr *_addr, return ret; sock_unlink: - nfc_llcp_put_ssap(local, llcp_sock->ssap); - nfc_llcp_sock_unlink(&local->connecting_sockets, sk); +sock_llcp_release: + nfc_llcp_put_ssap(local, llcp_sock->ssap); + put_dev: nfc_put_device(dev); diff --git a/net/openvswitch/datapath.c b/net/openvswitch/datapath.c index 6679e96ab1dc..9dd158ab51b3 100644 --- a/net/openvswitch/datapath.c +++ b/net/openvswitch/datapath.c @@ -448,6 +448,10 @@ static int queue_userspace_packet(struct datapath *dp, struct sk_buff *skb, upcall = genlmsg_put(user_skb, 0, 0, &dp_packet_genl_family, 0, upcall_info->cmd); + if (!upcall) { + err = -EINVAL; + goto out; + } upcall->dp_ifindex = dp_ifindex; err = ovs_nla_put_key(key, key, OVS_PACKET_ATTR_KEY, false, user_skb); @@ -460,6 +464,10 @@ static int queue_userspace_packet(struct datapath *dp, struct sk_buff *skb, if (upcall_info->egress_tun_info) { nla = nla_nest_start(user_skb, OVS_PACKET_ATTR_EGRESS_TUN_KEY); + if (!nla) { + err = -EMSGSIZE; + goto out; + } err = ovs_nla_put_tunnel_info(user_skb, upcall_info->egress_tun_info); BUG_ON(err); @@ -468,6 +476,10 @@ static int queue_userspace_packet(struct datapath *dp, struct sk_buff *skb, if (upcall_info->actions_len) { nla = nla_nest_start(user_skb, OVS_PACKET_ATTR_ACTIONS); + if (!nla) { + err = -EMSGSIZE; + goto out; + } err = ovs_nla_put_actions(upcall_info->actions, upcall_info->actions_len, user_skb); diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c index 8376bc1c1508..9419c5cf4de5 100644 --- a/net/packet/af_packet.c +++ b/net/packet/af_packet.c @@ -1852,7 +1852,8 @@ oom: static void packet_parse_headers(struct sk_buff *skb, struct socket *sock) { - if (!skb->protocol && sock->type == SOCK_RAW) { + if ((!skb->protocol || skb->protocol == htons(ETH_P_ALL)) && + sock->type == SOCK_RAW) { skb_reset_mac_header(skb); skb->protocol = dev_parse_header_protocol(skb); } @@ -3243,7 +3244,7 @@ static int packet_create(struct net *net, struct socket *sock, int protocol, } mutex_lock(&net->packet.sklist_lock); - sk_add_node_rcu(sk, &net->packet.sklist); + sk_add_node_tail_rcu(sk, &net->packet.sklist); mutex_unlock(&net->packet.sklist_lock); preempt_disable(); @@ -4209,7 +4210,7 @@ static struct pgv *alloc_pg_vec(struct tpacket_req *req, int order) struct pgv *pg_vec; int i; - pg_vec = kcalloc(block_nr, sizeof(struct pgv), GFP_KERNEL); + pg_vec = kcalloc(block_nr, sizeof(struct pgv), GFP_KERNEL | __GFP_NOWARN); if (unlikely(!pg_vec)) goto out; diff --git a/net/rose/rose_subr.c b/net/rose/rose_subr.c index 7ca57741b2fb..7849f286bb93 100644 --- a/net/rose/rose_subr.c +++ b/net/rose/rose_subr.c @@ -105,16 +105,17 @@ void rose_write_internal(struct sock *sk, int frametype) struct sk_buff *skb; unsigned char *dptr; unsigned char lci1, lci2; - char buffer[100]; - int len, faclen = 0; + int maxfaclen = 0; + int len, faclen; + int reserve; - len = AX25_BPQ_HEADER_LEN + AX25_MAX_HEADER_LEN + ROSE_MIN_LEN + 1; + reserve = AX25_BPQ_HEADER_LEN + AX25_MAX_HEADER_LEN + 1; + len = ROSE_MIN_LEN; switch (frametype) { case ROSE_CALL_REQUEST: len += 1 + ROSE_ADDR_LEN + ROSE_ADDR_LEN; - faclen = rose_create_facilities(buffer, rose); - len += faclen; + maxfaclen = 256; break; case ROSE_CALL_ACCEPTED: case ROSE_CLEAR_REQUEST: @@ -123,15 +124,16 @@ void rose_write_internal(struct sock *sk, int frametype) break; } - if ((skb = alloc_skb(len, GFP_ATOMIC)) == NULL) + skb = alloc_skb(reserve + len + maxfaclen, GFP_ATOMIC); + if (!skb) return; /* * Space for AX.25 header and PID. */ - skb_reserve(skb, AX25_BPQ_HEADER_LEN + AX25_MAX_HEADER_LEN + 1); + skb_reserve(skb, reserve); - dptr = skb_put(skb, skb_tailroom(skb)); + dptr = skb_put(skb, len); lci1 = (rose->lci >> 8) & 0x0F; lci2 = (rose->lci >> 0) & 0xFF; @@ -146,7 +148,8 @@ void rose_write_internal(struct sock *sk, int frametype) dptr += ROSE_ADDR_LEN; memcpy(dptr, &rose->source_addr, ROSE_ADDR_LEN); dptr += ROSE_ADDR_LEN; - memcpy(dptr, buffer, faclen); + faclen = rose_create_facilities(dptr, rose); + skb_put(skb, faclen); dptr += faclen; break; diff --git a/net/rxrpc/output.c b/net/rxrpc/output.c index 736aa9281100..004c762c2e8d 100644 --- a/net/rxrpc/output.c +++ b/net/rxrpc/output.c @@ -335,7 +335,6 @@ int rxrpc_send_data_packet(struct rxrpc_call *call, struct sk_buff *skb, struct kvec iov[2]; rxrpc_serial_t serial; size_t len; - bool lost = false; int ret, opt; _enter(",{%d}", skb->len); @@ -393,14 +392,14 @@ int rxrpc_send_data_packet(struct rxrpc_call *call, struct sk_buff *skb, static int lose; if ((lose++ & 7) == 7) { ret = 0; - lost = true; + trace_rxrpc_tx_data(call, sp->hdr.seq, serial, + whdr.flags, retrans, true); + goto done; } } - trace_rxrpc_tx_data(call, sp->hdr.seq, serial, whdr.flags, - retrans, lost); - if (lost) - goto done; + trace_rxrpc_tx_data(call, sp->hdr.seq, serial, whdr.flags, retrans, + false); /* send the packet with the don't fragment bit set if we currently * think it's small enough */ diff --git a/net/sched/Kconfig b/net/sched/Kconfig index 1b9afdee5ba9..5c02ad97ef23 100644 --- a/net/sched/Kconfig +++ b/net/sched/Kconfig @@ -358,8 +358,7 @@ config NET_SCH_PIE help Say Y here if you want to use the Proportional Integral controller Enhanced scheduler packet scheduling algorithm. - For more information, please see - http://tools.ietf.org/html/draft-pan-tsvwg-pie-00 + For more information, please see https://tools.ietf.org/html/rfc8033 To compile this driver as a module, choose M here: the module will be called sch_pie. diff --git a/net/sched/act_api.c b/net/sched/act_api.c index aecf1bf233c8..5a87e271d35a 100644 --- a/net/sched/act_api.c +++ b/net/sched/act_api.c @@ -28,27 +28,10 @@ #include <net/act_api.h> #include <net/netlink.h> -static int tcf_action_goto_chain_init(struct tc_action *a, struct tcf_proto *tp) -{ - u32 chain_index = a->tcfa_action & TC_ACT_EXT_VAL_MASK; - - if (!tp) - return -EINVAL; - a->goto_chain = tcf_chain_get_by_act(tp->chain->block, chain_index); - if (!a->goto_chain) - return -ENOMEM; - return 0; -} - -static void tcf_action_goto_chain_fini(struct tc_action *a) -{ - tcf_chain_put_by_act(a->goto_chain); -} - static void tcf_action_goto_chain_exec(const struct tc_action *a, struct tcf_result *res) { - const struct tcf_chain *chain = a->goto_chain; + const struct tcf_chain *chain = rcu_dereference_bh(a->goto_chain); res->goto_tp = rcu_dereference_bh(chain->filter_chain); } @@ -71,6 +54,51 @@ static void tcf_set_action_cookie(struct tc_cookie __rcu **old_cookie, call_rcu(&old->rcu, tcf_free_cookie_rcu); } +int tcf_action_check_ctrlact(int action, struct tcf_proto *tp, + struct tcf_chain **newchain, + struct netlink_ext_ack *extack) +{ + int opcode = TC_ACT_EXT_OPCODE(action), ret = -EINVAL; + u32 chain_index; + + if (!opcode) + ret = action > TC_ACT_VALUE_MAX ? -EINVAL : 0; + else if (opcode <= TC_ACT_EXT_OPCODE_MAX || action == TC_ACT_UNSPEC) + ret = 0; + if (ret) { + NL_SET_ERR_MSG(extack, "invalid control action"); + goto end; + } + + if (TC_ACT_EXT_CMP(action, TC_ACT_GOTO_CHAIN)) { + chain_index = action & TC_ACT_EXT_VAL_MASK; + if (!tp || !newchain) { + ret = -EINVAL; + NL_SET_ERR_MSG(extack, + "can't goto NULL proto/chain"); + goto end; + } + *newchain = tcf_chain_get_by_act(tp->chain->block, chain_index); + if (!*newchain) { + ret = -ENOMEM; + NL_SET_ERR_MSG(extack, + "can't allocate goto_chain"); + } + } +end: + return ret; +} +EXPORT_SYMBOL(tcf_action_check_ctrlact); + +struct tcf_chain *tcf_action_set_ctrlact(struct tc_action *a, int action, + struct tcf_chain *goto_chain) +{ + a->tcfa_action = action; + rcu_swap_protected(a->goto_chain, goto_chain, 1); + return goto_chain; +} +EXPORT_SYMBOL(tcf_action_set_ctrlact); + /* XXX: For standalone actions, we don't need a RCU grace period either, because * actions are always connected to filters and filters are already destroyed in * RCU callbacks, so after a RCU grace period actions are already disconnected @@ -78,13 +106,15 @@ static void tcf_set_action_cookie(struct tc_cookie __rcu **old_cookie, */ static void free_tcf(struct tc_action *p) { + struct tcf_chain *chain = rcu_dereference_protected(p->goto_chain, 1); + free_percpu(p->cpu_bstats); free_percpu(p->cpu_bstats_hw); free_percpu(p->cpu_qstats); tcf_set_action_cookie(&p->act_cookie, NULL); - if (p->goto_chain) - tcf_action_goto_chain_fini(p); + if (chain) + tcf_chain_put_by_act(chain); kfree(p); } @@ -654,6 +684,10 @@ repeat: return TC_ACT_OK; } } else if (TC_ACT_EXT_CMP(ret, TC_ACT_GOTO_CHAIN)) { + if (unlikely(!rcu_access_pointer(a->goto_chain))) { + net_warn_ratelimited("can't go to NULL chain!\n"); + return TC_ACT_SHOT; + } tcf_action_goto_chain_exec(a, res); } @@ -800,15 +834,6 @@ static struct tc_cookie *nla_memdup_cookie(struct nlattr **tb) return c; } -static bool tcf_action_valid(int action) -{ - int opcode = TC_ACT_EXT_OPCODE(action); - - if (!opcode) - return action <= TC_ACT_VALUE_MAX; - return opcode <= TC_ACT_EXT_OPCODE_MAX || action == TC_ACT_UNSPEC; -} - struct tc_action *tcf_action_init_1(struct net *net, struct tcf_proto *tp, struct nlattr *nla, struct nlattr *est, char *name, int ovr, int bind, @@ -890,10 +915,10 @@ struct tc_action *tcf_action_init_1(struct net *net, struct tcf_proto *tp, /* backward compatibility for policer */ if (name == NULL) err = a_o->init(net, tb[TCA_ACT_OPTIONS], est, &a, ovr, bind, - rtnl_held, extack); + rtnl_held, tp, extack); else err = a_o->init(net, nla, est, &a, ovr, bind, rtnl_held, - extack); + tp, extack); if (err < 0) goto err_mod; @@ -907,18 +932,10 @@ struct tc_action *tcf_action_init_1(struct net *net, struct tcf_proto *tp, if (err != ACT_P_CREATED) module_put(a_o->owner); - if (TC_ACT_EXT_CMP(a->tcfa_action, TC_ACT_GOTO_CHAIN)) { - err = tcf_action_goto_chain_init(a, tp); - if (err) { - tcf_action_destroy_1(a, bind); - NL_SET_ERR_MSG(extack, "Failed to init TC action chain"); - return ERR_PTR(err); - } - } - - if (!tcf_action_valid(a->tcfa_action)) { + if (TC_ACT_EXT_CMP(a->tcfa_action, TC_ACT_GOTO_CHAIN) && + !rcu_access_pointer(a->goto_chain)) { tcf_action_destroy_1(a, bind); - NL_SET_ERR_MSG(extack, "Invalid control action value"); + NL_SET_ERR_MSG(extack, "can't use goto chain with NULL chain"); return ERR_PTR(-EINVAL); } diff --git a/net/sched/act_bpf.c b/net/sched/act_bpf.c index aa5c38d11a30..3841156aa09f 100644 --- a/net/sched/act_bpf.c +++ b/net/sched/act_bpf.c @@ -17,6 +17,7 @@ #include <net/netlink.h> #include <net/pkt_sched.h> +#include <net/pkt_cls.h> #include <linux/tc_act/tc_bpf.h> #include <net/tc_act/tc_bpf.h> @@ -278,10 +279,11 @@ static void tcf_bpf_prog_fill_cfg(const struct tcf_bpf *prog, static int tcf_bpf_init(struct net *net, struct nlattr *nla, struct nlattr *est, struct tc_action **act, int replace, int bind, bool rtnl_held, - struct netlink_ext_ack *extack) + struct tcf_proto *tp, struct netlink_ext_ack *extack) { struct tc_action_net *tn = net_generic(net, bpf_net_id); struct nlattr *tb[TCA_ACT_BPF_MAX + 1]; + struct tcf_chain *goto_ch = NULL; struct tcf_bpf_cfg cfg, old; struct tc_act_bpf *parm; struct tcf_bpf *prog; @@ -323,12 +325,16 @@ static int tcf_bpf_init(struct net *net, struct nlattr *nla, return ret; } + ret = tcf_action_check_ctrlact(parm->action, tp, &goto_ch, extack); + if (ret < 0) + goto release_idr; + is_bpf = tb[TCA_ACT_BPF_OPS_LEN] && tb[TCA_ACT_BPF_OPS]; is_ebpf = tb[TCA_ACT_BPF_FD]; if ((!is_bpf && !is_ebpf) || (is_bpf && is_ebpf)) { ret = -EINVAL; - goto out; + goto put_chain; } memset(&cfg, 0, sizeof(cfg)); @@ -336,7 +342,7 @@ static int tcf_bpf_init(struct net *net, struct nlattr *nla, ret = is_bpf ? tcf_bpf_init_from_ops(tb, &cfg) : tcf_bpf_init_from_efd(tb, &cfg); if (ret < 0) - goto out; + goto put_chain; prog = to_bpf(*act); @@ -350,10 +356,13 @@ static int tcf_bpf_init(struct net *net, struct nlattr *nla, if (cfg.bpf_num_ops) prog->bpf_num_ops = cfg.bpf_num_ops; - prog->tcf_action = parm->action; + goto_ch = tcf_action_set_ctrlact(*act, parm->action, goto_ch); rcu_assign_pointer(prog->filter, cfg.filter); spin_unlock_bh(&prog->tcf_lock); + if (goto_ch) + tcf_chain_put_by_act(goto_ch); + if (res == ACT_P_CREATED) { tcf_idr_insert(tn, *act); } else { @@ -363,9 +372,13 @@ static int tcf_bpf_init(struct net *net, struct nlattr *nla, } return res; -out: - tcf_idr_release(*act, bind); +put_chain: + if (goto_ch) + tcf_chain_put_by_act(goto_ch); + +release_idr: + tcf_idr_release(*act, bind); return ret; } diff --git a/net/sched/act_connmark.c b/net/sched/act_connmark.c index 5d24993cccfe..32ae0cd6e31c 100644 --- a/net/sched/act_connmark.c +++ b/net/sched/act_connmark.c @@ -21,6 +21,7 @@ #include <net/netlink.h> #include <net/pkt_sched.h> #include <net/act_api.h> +#include <net/pkt_cls.h> #include <uapi/linux/tc_act/tc_connmark.h> #include <net/tc_act/tc_connmark.h> @@ -97,13 +98,15 @@ static const struct nla_policy connmark_policy[TCA_CONNMARK_MAX + 1] = { static int tcf_connmark_init(struct net *net, struct nlattr *nla, struct nlattr *est, struct tc_action **a, int ovr, int bind, bool rtnl_held, + struct tcf_proto *tp, struct netlink_ext_ack *extack) { struct tc_action_net *tn = net_generic(net, connmark_net_id); struct nlattr *tb[TCA_CONNMARK_MAX + 1]; + struct tcf_chain *goto_ch = NULL; struct tcf_connmark_info *ci; struct tc_connmark *parm; - int ret = 0; + int ret = 0, err; if (!nla) return -EINVAL; @@ -128,7 +131,11 @@ static int tcf_connmark_init(struct net *net, struct nlattr *nla, } ci = to_connmark(*a); - ci->tcf_action = parm->action; + err = tcf_action_check_ctrlact(parm->action, tp, &goto_ch, + extack); + if (err < 0) + goto release_idr; + tcf_action_set_ctrlact(*a, parm->action, goto_ch); ci->net = net; ci->zone = parm->zone; @@ -142,15 +149,24 @@ static int tcf_connmark_init(struct net *net, struct nlattr *nla, tcf_idr_release(*a, bind); return -EEXIST; } + err = tcf_action_check_ctrlact(parm->action, tp, &goto_ch, + extack); + if (err < 0) + goto release_idr; /* replacing action and zone */ spin_lock_bh(&ci->tcf_lock); - ci->tcf_action = parm->action; + goto_ch = tcf_action_set_ctrlact(*a, parm->action, goto_ch); ci->zone = parm->zone; spin_unlock_bh(&ci->tcf_lock); + if (goto_ch) + tcf_chain_put_by_act(goto_ch); ret = 0; } return ret; +release_idr: + tcf_idr_release(*a, bind); + return err; } static inline int tcf_connmark_dump(struct sk_buff *skb, struct tc_action *a, diff --git a/net/sched/act_csum.c b/net/sched/act_csum.c index c79aca29505e..0c77e7bdf6d5 100644 --- a/net/sched/act_csum.c +++ b/net/sched/act_csum.c @@ -33,6 +33,7 @@ #include <net/sctp/checksum.h> #include <net/act_api.h> +#include <net/pkt_cls.h> #include <linux/tc_act/tc_csum.h> #include <net/tc_act/tc_csum.h> @@ -46,12 +47,13 @@ static struct tc_action_ops act_csum_ops; static int tcf_csum_init(struct net *net, struct nlattr *nla, struct nlattr *est, struct tc_action **a, int ovr, - int bind, bool rtnl_held, + int bind, bool rtnl_held, struct tcf_proto *tp, struct netlink_ext_ack *extack) { struct tc_action_net *tn = net_generic(net, csum_net_id); struct tcf_csum_params *params_new; struct nlattr *tb[TCA_CSUM_MAX + 1]; + struct tcf_chain *goto_ch = NULL; struct tc_csum *parm; struct tcf_csum *p; int ret = 0, err; @@ -87,21 +89,27 @@ static int tcf_csum_init(struct net *net, struct nlattr *nla, return err; } + err = tcf_action_check_ctrlact(parm->action, tp, &goto_ch, extack); + if (err < 0) + goto release_idr; + p = to_tcf_csum(*a); params_new = kzalloc(sizeof(*params_new), GFP_KERNEL); if (unlikely(!params_new)) { - tcf_idr_release(*a, bind); - return -ENOMEM; + err = -ENOMEM; + goto put_chain; } params_new->update_flags = parm->update_flags; spin_lock_bh(&p->tcf_lock); - p->tcf_action = parm->action; + goto_ch = tcf_action_set_ctrlact(*a, parm->action, goto_ch); rcu_swap_protected(p->params, params_new, lockdep_is_held(&p->tcf_lock)); spin_unlock_bh(&p->tcf_lock); + if (goto_ch) + tcf_chain_put_by_act(goto_ch); if (params_new) kfree_rcu(params_new, rcu); @@ -109,6 +117,12 @@ static int tcf_csum_init(struct net *net, struct nlattr *nla, tcf_idr_insert(tn, *a); return ret; +put_chain: + if (goto_ch) + tcf_chain_put_by_act(goto_ch); +release_idr: + tcf_idr_release(*a, bind); + return err; } /** diff --git a/net/sched/act_gact.c b/net/sched/act_gact.c index 93da0004e9f4..e540e31069d7 100644 --- a/net/sched/act_gact.c +++ b/net/sched/act_gact.c @@ -20,6 +20,7 @@ #include <linux/init.h> #include <net/netlink.h> #include <net/pkt_sched.h> +#include <net/pkt_cls.h> #include <linux/tc_act/tc_gact.h> #include <net/tc_act/tc_gact.h> @@ -57,10 +58,11 @@ static const struct nla_policy gact_policy[TCA_GACT_MAX + 1] = { static int tcf_gact_init(struct net *net, struct nlattr *nla, struct nlattr *est, struct tc_action **a, int ovr, int bind, bool rtnl_held, - struct netlink_ext_ack *extack) + struct tcf_proto *tp, struct netlink_ext_ack *extack) { struct tc_action_net *tn = net_generic(net, gact_net_id); struct nlattr *tb[TCA_GACT_MAX + 1]; + struct tcf_chain *goto_ch = NULL; struct tc_gact *parm; struct tcf_gact *gact; int ret = 0; @@ -116,10 +118,13 @@ static int tcf_gact_init(struct net *net, struct nlattr *nla, return err; } + err = tcf_action_check_ctrlact(parm->action, tp, &goto_ch, extack); + if (err < 0) + goto release_idr; gact = to_gact(*a); spin_lock_bh(&gact->tcf_lock); - gact->tcf_action = parm->action; + goto_ch = tcf_action_set_ctrlact(*a, parm->action, goto_ch); #ifdef CONFIG_GACT_PROB if (p_parm) { gact->tcfg_paction = p_parm->paction; @@ -133,9 +138,15 @@ static int tcf_gact_init(struct net *net, struct nlattr *nla, #endif spin_unlock_bh(&gact->tcf_lock); + if (goto_ch) + tcf_chain_put_by_act(goto_ch); + if (ret == ACT_P_CREATED) tcf_idr_insert(tn, *a); return ret; +release_idr: + tcf_idr_release(*a, bind); + return err; } static int tcf_gact_act(struct sk_buff *skb, const struct tc_action *a, diff --git a/net/sched/act_ife.c b/net/sched/act_ife.c index 9b1f2b3990ee..31c6ffb6abe7 100644 --- a/net/sched/act_ife.c +++ b/net/sched/act_ife.c @@ -29,6 +29,7 @@ #include <net/net_namespace.h> #include <net/netlink.h> #include <net/pkt_sched.h> +#include <net/pkt_cls.h> #include <uapi/linux/tc_act/tc_ife.h> #include <net/tc_act/tc_ife.h> #include <linux/etherdevice.h> @@ -469,11 +470,12 @@ static int populate_metalist(struct tcf_ife_info *ife, struct nlattr **tb, static int tcf_ife_init(struct net *net, struct nlattr *nla, struct nlattr *est, struct tc_action **a, int ovr, int bind, bool rtnl_held, - struct netlink_ext_ack *extack) + struct tcf_proto *tp, struct netlink_ext_ack *extack) { struct tc_action_net *tn = net_generic(net, ife_net_id); struct nlattr *tb[TCA_IFE_MAX + 1]; struct nlattr *tb2[IFE_META_MAX + 1]; + struct tcf_chain *goto_ch = NULL; struct tcf_ife_params *p; struct tcf_ife_info *ife; u16 ife_type = ETH_P_IFE; @@ -531,6 +533,10 @@ static int tcf_ife_init(struct net *net, struct nlattr *nla, } ife = to_ife(*a); + err = tcf_action_check_ctrlact(parm->action, tp, &goto_ch, extack); + if (err < 0) + goto release_idr; + p->flags = parm->flags; if (parm->flags & IFE_ENCODE) { @@ -563,13 +569,8 @@ static int tcf_ife_init(struct net *net, struct nlattr *nla, if (tb[TCA_IFE_METALST]) { err = nla_parse_nested(tb2, IFE_META_MAX, tb[TCA_IFE_METALST], NULL, NULL); - if (err) { -metadata_parse_err: - tcf_idr_release(*a, bind); - kfree(p); - return err; - } - + if (err) + goto metadata_parse_err; err = populate_metalist(ife, tb2, exists, rtnl_held); if (err) goto metadata_parse_err; @@ -581,21 +582,20 @@ metadata_parse_err: * going to bail out */ err = use_all_metadata(ife, exists); - if (err) { - tcf_idr_release(*a, bind); - kfree(p); - return err; - } + if (err) + goto metadata_parse_err; } if (exists) spin_lock_bh(&ife->tcf_lock); - ife->tcf_action = parm->action; /* protected by tcf_lock when modifying existing action */ + goto_ch = tcf_action_set_ctrlact(*a, parm->action, goto_ch); rcu_swap_protected(ife->params, p, 1); if (exists) spin_unlock_bh(&ife->tcf_lock); + if (goto_ch) + tcf_chain_put_by_act(goto_ch); if (p) kfree_rcu(p, rcu); @@ -603,6 +603,13 @@ metadata_parse_err: tcf_idr_insert(tn, *a); return ret; +metadata_parse_err: + if (goto_ch) + tcf_chain_put_by_act(goto_ch); +release_idr: + kfree(p); + tcf_idr_release(*a, bind); + return err; } static int tcf_ife_dump(struct sk_buff *skb, struct tc_action *a, int bind, diff --git a/net/sched/act_ipt.c b/net/sched/act_ipt.c index 98f5b6ea77b4..04a0b5c61194 100644 --- a/net/sched/act_ipt.c +++ b/net/sched/act_ipt.c @@ -97,7 +97,8 @@ static const struct nla_policy ipt_policy[TCA_IPT_MAX + 1] = { static int __tcf_ipt_init(struct net *net, unsigned int id, struct nlattr *nla, struct nlattr *est, struct tc_action **a, - const struct tc_action_ops *ops, int ovr, int bind) + const struct tc_action_ops *ops, int ovr, int bind, + struct tcf_proto *tp) { struct tc_action_net *tn = net_generic(net, id); struct nlattr *tb[TCA_IPT_MAX + 1]; @@ -205,20 +206,20 @@ err1: static int tcf_ipt_init(struct net *net, struct nlattr *nla, struct nlattr *est, struct tc_action **a, int ovr, - int bind, bool rtnl_held, + int bind, bool rtnl_held, struct tcf_proto *tp, struct netlink_ext_ack *extack) { return __tcf_ipt_init(net, ipt_net_id, nla, est, a, &act_ipt_ops, ovr, - bind); + bind, tp); } static int tcf_xt_init(struct net *net, struct nlattr *nla, struct nlattr *est, struct tc_action **a, int ovr, - int bind, bool unlocked, + int bind, bool unlocked, struct tcf_proto *tp, struct netlink_ext_ack *extack) { return __tcf_ipt_init(net, xt_net_id, nla, est, a, &act_xt_ops, ovr, - bind); + bind, tp); } static int tcf_ipt_act(struct sk_buff *skb, const struct tc_action *a, diff --git a/net/sched/act_mirred.c b/net/sched/act_mirred.c index 6692fd054617..17cc6bd4c57c 100644 --- a/net/sched/act_mirred.c +++ b/net/sched/act_mirred.c @@ -94,10 +94,12 @@ static struct tc_action_ops act_mirred_ops; static int tcf_mirred_init(struct net *net, struct nlattr *nla, struct nlattr *est, struct tc_action **a, int ovr, int bind, bool rtnl_held, + struct tcf_proto *tp, struct netlink_ext_ack *extack) { struct tc_action_net *tn = net_generic(net, mirred_net_id); struct nlattr *tb[TCA_MIRRED_MAX + 1]; + struct tcf_chain *goto_ch = NULL; bool mac_header_xmit = false; struct tc_mirred *parm; struct tcf_mirred *m; @@ -157,18 +159,23 @@ static int tcf_mirred_init(struct net *net, struct nlattr *nla, tcf_idr_release(*a, bind); return -EEXIST; } + m = to_mirred(*a); + if (ret == ACT_P_CREATED) + INIT_LIST_HEAD(&m->tcfm_list); + + err = tcf_action_check_ctrlact(parm->action, tp, &goto_ch, extack); + if (err < 0) + goto release_idr; spin_lock_bh(&m->tcf_lock); - m->tcf_action = parm->action; - m->tcfm_eaction = parm->eaction; if (parm->ifindex) { dev = dev_get_by_index(net, parm->ifindex); if (!dev) { spin_unlock_bh(&m->tcf_lock); - tcf_idr_release(*a, bind); - return -ENODEV; + err = -ENODEV; + goto put_chain; } mac_header_xmit = dev_is_mac_header_xmit(dev); rcu_swap_protected(m->tcfm_dev, dev, @@ -177,7 +184,11 @@ static int tcf_mirred_init(struct net *net, struct nlattr *nla, dev_put(dev); m->tcfm_mac_header_xmit = mac_header_xmit; } + goto_ch = tcf_action_set_ctrlact(*a, parm->action, goto_ch); + m->tcfm_eaction = parm->eaction; spin_unlock_bh(&m->tcf_lock); + if (goto_ch) + tcf_chain_put_by_act(goto_ch); if (ret == ACT_P_CREATED) { spin_lock(&mirred_list_lock); @@ -188,6 +199,12 @@ static int tcf_mirred_init(struct net *net, struct nlattr *nla, } return ret; +put_chain: + if (goto_ch) + tcf_chain_put_by_act(goto_ch); +release_idr: + tcf_idr_release(*a, bind); + return err; } static int tcf_mirred_act(struct sk_buff *skb, const struct tc_action *a, diff --git a/net/sched/act_nat.c b/net/sched/act_nat.c index 543eab9193f1..e91bb8eb81ec 100644 --- a/net/sched/act_nat.c +++ b/net/sched/act_nat.c @@ -21,6 +21,7 @@ #include <linux/string.h> #include <linux/tc_act/tc_nat.h> #include <net/act_api.h> +#include <net/pkt_cls.h> #include <net/icmp.h> #include <net/ip.h> #include <net/netlink.h> @@ -38,10 +39,12 @@ static const struct nla_policy nat_policy[TCA_NAT_MAX + 1] = { static int tcf_nat_init(struct net *net, struct nlattr *nla, struct nlattr *est, struct tc_action **a, int ovr, int bind, - bool rtnl_held, struct netlink_ext_ack *extack) + bool rtnl_held, struct tcf_proto *tp, + struct netlink_ext_ack *extack) { struct tc_action_net *tn = net_generic(net, nat_net_id); struct nlattr *tb[TCA_NAT_MAX + 1]; + struct tcf_chain *goto_ch = NULL; struct tc_nat *parm; int ret = 0, err; struct tcf_nat *p; @@ -76,6 +79,9 @@ static int tcf_nat_init(struct net *net, struct nlattr *nla, struct nlattr *est, } else { return err; } + err = tcf_action_check_ctrlact(parm->action, tp, &goto_ch, extack); + if (err < 0) + goto release_idr; p = to_tcf_nat(*a); spin_lock_bh(&p->tcf_lock); @@ -84,13 +90,18 @@ static int tcf_nat_init(struct net *net, struct nlattr *nla, struct nlattr *est, p->mask = parm->mask; p->flags = parm->flags; - p->tcf_action = parm->action; + goto_ch = tcf_action_set_ctrlact(*a, parm->action, goto_ch); spin_unlock_bh(&p->tcf_lock); + if (goto_ch) + tcf_chain_put_by_act(goto_ch); if (ret == ACT_P_CREATED) tcf_idr_insert(tn, *a); return ret; +release_idr: + tcf_idr_release(*a, bind); + return err; } static int tcf_nat_act(struct sk_buff *skb, const struct tc_action *a, diff --git a/net/sched/act_pedit.c b/net/sched/act_pedit.c index a80373878df7..287793abfaf9 100644 --- a/net/sched/act_pedit.c +++ b/net/sched/act_pedit.c @@ -23,6 +23,7 @@ #include <linux/tc_act/tc_pedit.h> #include <net/tc_act/tc_pedit.h> #include <uapi/linux/tc_act/tc_pedit.h> +#include <net/pkt_cls.h> static unsigned int pedit_net_id; static struct tc_action_ops act_pedit_ops; @@ -138,10 +139,11 @@ nla_failure: static int tcf_pedit_init(struct net *net, struct nlattr *nla, struct nlattr *est, struct tc_action **a, int ovr, int bind, bool rtnl_held, - struct netlink_ext_ack *extack) + struct tcf_proto *tp, struct netlink_ext_ack *extack) { struct tc_action_net *tn = net_generic(net, pedit_net_id); struct nlattr *tb[TCA_PEDIT_MAX + 1]; + struct tcf_chain *goto_ch = NULL; struct tc_pedit_key *keys = NULL; struct tcf_pedit_key_ex *keys_ex; struct tc_pedit *parm; @@ -205,6 +207,11 @@ static int tcf_pedit_init(struct net *net, struct nlattr *nla, goto out_free; } + err = tcf_action_check_ctrlact(parm->action, tp, &goto_ch, extack); + if (err < 0) { + ret = err; + goto out_release; + } p = to_pedit(*a); spin_lock_bh(&p->tcf_lock); @@ -214,7 +221,7 @@ static int tcf_pedit_init(struct net *net, struct nlattr *nla, if (!keys) { spin_unlock_bh(&p->tcf_lock); ret = -ENOMEM; - goto out_release; + goto put_chain; } kfree(p->tcfp_keys); p->tcfp_keys = keys; @@ -223,16 +230,21 @@ static int tcf_pedit_init(struct net *net, struct nlattr *nla, memcpy(p->tcfp_keys, parm->keys, ksize); p->tcfp_flags = parm->flags; - p->tcf_action = parm->action; + goto_ch = tcf_action_set_ctrlact(*a, parm->action, goto_ch); kfree(p->tcfp_keys_ex); p->tcfp_keys_ex = keys_ex; spin_unlock_bh(&p->tcf_lock); + if (goto_ch) + tcf_chain_put_by_act(goto_ch); if (ret == ACT_P_CREATED) tcf_idr_insert(tn, *a); return ret; +put_chain: + if (goto_ch) + tcf_chain_put_by_act(goto_ch); out_release: tcf_idr_release(*a, bind); out_free: diff --git a/net/sched/act_police.c b/net/sched/act_police.c index 8271a6263824..2b8581f6ab51 100644 --- a/net/sched/act_police.c +++ b/net/sched/act_police.c @@ -21,6 +21,7 @@ #include <linux/slab.h> #include <net/act_api.h> #include <net/netlink.h> +#include <net/pkt_cls.h> struct tcf_police_params { int tcfp_result; @@ -83,10 +84,12 @@ static const struct nla_policy police_policy[TCA_POLICE_MAX + 1] = { static int tcf_police_init(struct net *net, struct nlattr *nla, struct nlattr *est, struct tc_action **a, int ovr, int bind, bool rtnl_held, + struct tcf_proto *tp, struct netlink_ext_ack *extack) { int ret = 0, tcfp_result = TC_ACT_OK, err, size; struct nlattr *tb[TCA_POLICE_MAX + 1]; + struct tcf_chain *goto_ch = NULL; struct tc_police *parm; struct tcf_police *police; struct qdisc_rate_table *R_tab = NULL, *P_tab = NULL; @@ -128,6 +131,9 @@ static int tcf_police_init(struct net *net, struct nlattr *nla, tcf_idr_release(*a, bind); return -EEXIST; } + err = tcf_action_check_ctrlact(parm->action, tp, &goto_ch, extack); + if (err < 0) + goto release_idr; police = to_police(*a); if (parm->rate.rate) { @@ -213,12 +219,14 @@ static int tcf_police_init(struct net *net, struct nlattr *nla, if (new->peak_present) police->tcfp_ptoks = new->tcfp_mtu_ptoks; spin_unlock_bh(&police->tcfp_lock); - police->tcf_action = parm->action; + goto_ch = tcf_action_set_ctrlact(*a, parm->action, goto_ch); rcu_swap_protected(police->params, new, lockdep_is_held(&police->tcf_lock)); spin_unlock_bh(&police->tcf_lock); + if (goto_ch) + tcf_chain_put_by_act(goto_ch); if (new) kfree_rcu(new, rcu); @@ -229,6 +237,9 @@ static int tcf_police_init(struct net *net, struct nlattr *nla, failure: qdisc_put_rtab(P_tab); qdisc_put_rtab(R_tab); + if (goto_ch) + tcf_chain_put_by_act(goto_ch); +release_idr: tcf_idr_release(*a, bind); return err; } diff --git a/net/sched/act_sample.c b/net/sched/act_sample.c index 203e399e5c85..4060b0955c97 100644 --- a/net/sched/act_sample.c +++ b/net/sched/act_sample.c @@ -22,6 +22,7 @@ #include <linux/tc_act/tc_sample.h> #include <net/tc_act/tc_sample.h> #include <net/psample.h> +#include <net/pkt_cls.h> #include <linux/if_arp.h> @@ -37,12 +38,13 @@ static const struct nla_policy sample_policy[TCA_SAMPLE_MAX + 1] = { static int tcf_sample_init(struct net *net, struct nlattr *nla, struct nlattr *est, struct tc_action **a, int ovr, - int bind, bool rtnl_held, + int bind, bool rtnl_held, struct tcf_proto *tp, struct netlink_ext_ack *extack) { struct tc_action_net *tn = net_generic(net, sample_net_id); struct nlattr *tb[TCA_SAMPLE_MAX + 1]; struct psample_group *psample_group; + struct tcf_chain *goto_ch = NULL; struct tc_sample *parm; u32 psample_group_num; struct tcf_sample *s; @@ -79,18 +81,21 @@ static int tcf_sample_init(struct net *net, struct nlattr *nla, tcf_idr_release(*a, bind); return -EEXIST; } + err = tcf_action_check_ctrlact(parm->action, tp, &goto_ch, extack); + if (err < 0) + goto release_idr; psample_group_num = nla_get_u32(tb[TCA_SAMPLE_PSAMPLE_GROUP]); psample_group = psample_group_get(net, psample_group_num); if (!psample_group) { - tcf_idr_release(*a, bind); - return -ENOMEM; + err = -ENOMEM; + goto put_chain; } s = to_sample(*a); spin_lock_bh(&s->tcf_lock); - s->tcf_action = parm->action; + goto_ch = tcf_action_set_ctrlact(*a, parm->action, goto_ch); s->rate = nla_get_u32(tb[TCA_SAMPLE_RATE]); s->psample_group_num = psample_group_num; RCU_INIT_POINTER(s->psample_group, psample_group); @@ -100,10 +105,18 @@ static int tcf_sample_init(struct net *net, struct nlattr *nla, s->trunc_size = nla_get_u32(tb[TCA_SAMPLE_TRUNC_SIZE]); } spin_unlock_bh(&s->tcf_lock); + if (goto_ch) + tcf_chain_put_by_act(goto_ch); if (ret == ACT_P_CREATED) tcf_idr_insert(tn, *a); return ret; +put_chain: + if (goto_ch) + tcf_chain_put_by_act(goto_ch); +release_idr: + tcf_idr_release(*a, bind); + return err; } static void tcf_sample_cleanup(struct tc_action *a) diff --git a/net/sched/act_simple.c b/net/sched/act_simple.c index d54cb608dbaf..23c8ca5615e5 100644 --- a/net/sched/act_simple.c +++ b/net/sched/act_simple.c @@ -18,6 +18,7 @@ #include <linux/rtnetlink.h> #include <net/netlink.h> #include <net/pkt_sched.h> +#include <net/pkt_cls.h> #include <linux/tc_act/tc_defact.h> #include <net/tc_act/tc_defact.h> @@ -60,14 +61,26 @@ static int alloc_defdata(struct tcf_defact *d, const struct nlattr *defdata) return 0; } -static void reset_policy(struct tcf_defact *d, const struct nlattr *defdata, - struct tc_defact *p) +static int reset_policy(struct tc_action *a, const struct nlattr *defdata, + struct tc_defact *p, struct tcf_proto *tp, + struct netlink_ext_ack *extack) { + struct tcf_chain *goto_ch = NULL; + struct tcf_defact *d; + int err; + + err = tcf_action_check_ctrlact(p->action, tp, &goto_ch, extack); + if (err < 0) + return err; + d = to_defact(a); spin_lock_bh(&d->tcf_lock); - d->tcf_action = p->action; + goto_ch = tcf_action_set_ctrlact(a, p->action, goto_ch); memset(d->tcfd_defdata, 0, SIMP_MAX_DATA); nla_strlcpy(d->tcfd_defdata, defdata, SIMP_MAX_DATA); spin_unlock_bh(&d->tcf_lock); + if (goto_ch) + tcf_chain_put_by_act(goto_ch); + return 0; } static const struct nla_policy simple_policy[TCA_DEF_MAX + 1] = { @@ -78,10 +91,11 @@ static const struct nla_policy simple_policy[TCA_DEF_MAX + 1] = { static int tcf_simp_init(struct net *net, struct nlattr *nla, struct nlattr *est, struct tc_action **a, int ovr, int bind, bool rtnl_held, - struct netlink_ext_ack *extack) + struct tcf_proto *tp, struct netlink_ext_ack *extack) { struct tc_action_net *tn = net_generic(net, simp_net_id); struct nlattr *tb[TCA_DEF_MAX + 1]; + struct tcf_chain *goto_ch = NULL; struct tc_defact *parm; struct tcf_defact *d; bool exists = false; @@ -122,27 +136,37 @@ static int tcf_simp_init(struct net *net, struct nlattr *nla, } d = to_defact(*a); - ret = alloc_defdata(d, tb[TCA_DEF_DATA]); - if (ret < 0) { - tcf_idr_release(*a, bind); - return ret; - } - d->tcf_action = parm->action; + err = tcf_action_check_ctrlact(parm->action, tp, &goto_ch, + extack); + if (err < 0) + goto release_idr; + + err = alloc_defdata(d, tb[TCA_DEF_DATA]); + if (err < 0) + goto put_chain; + + tcf_action_set_ctrlact(*a, parm->action, goto_ch); ret = ACT_P_CREATED; } else { - d = to_defact(*a); - if (!ovr) { - tcf_idr_release(*a, bind); - return -EEXIST; + err = -EEXIST; + goto release_idr; } - reset_policy(d, tb[TCA_DEF_DATA], parm); + err = reset_policy(*a, tb[TCA_DEF_DATA], parm, tp, extack); + if (err) + goto release_idr; } if (ret == ACT_P_CREATED) tcf_idr_insert(tn, *a); return ret; +put_chain: + if (goto_ch) + tcf_chain_put_by_act(goto_ch); +release_idr: + tcf_idr_release(*a, bind); + return err; } static int tcf_simp_dump(struct sk_buff *skb, struct tc_action *a, diff --git a/net/sched/act_skbedit.c b/net/sched/act_skbedit.c index 65879500b688..7e1d261a31d2 100644 --- a/net/sched/act_skbedit.c +++ b/net/sched/act_skbedit.c @@ -26,6 +26,7 @@ #include <net/ip.h> #include <net/ipv6.h> #include <net/dsfield.h> +#include <net/pkt_cls.h> #include <linux/tc_act/tc_skbedit.h> #include <net/tc_act/tc_skbedit.h> @@ -96,11 +97,13 @@ static const struct nla_policy skbedit_policy[TCA_SKBEDIT_MAX + 1] = { static int tcf_skbedit_init(struct net *net, struct nlattr *nla, struct nlattr *est, struct tc_action **a, int ovr, int bind, bool rtnl_held, + struct tcf_proto *tp, struct netlink_ext_ack *extack) { struct tc_action_net *tn = net_generic(net, skbedit_net_id); struct tcf_skbedit_params *params_new; struct nlattr *tb[TCA_SKBEDIT_MAX + 1]; + struct tcf_chain *goto_ch = NULL; struct tc_skbedit *parm; struct tcf_skbedit *d; u32 flags = 0, *priority = NULL, *mark = NULL, *mask = NULL; @@ -186,11 +189,14 @@ static int tcf_skbedit_init(struct net *net, struct nlattr *nla, return -EEXIST; } } + err = tcf_action_check_ctrlact(parm->action, tp, &goto_ch, extack); + if (err < 0) + goto release_idr; params_new = kzalloc(sizeof(*params_new), GFP_KERNEL); if (unlikely(!params_new)) { - tcf_idr_release(*a, bind); - return -ENOMEM; + err = -ENOMEM; + goto put_chain; } params_new->flags = flags; @@ -208,16 +214,24 @@ static int tcf_skbedit_init(struct net *net, struct nlattr *nla, params_new->mask = *mask; spin_lock_bh(&d->tcf_lock); - d->tcf_action = parm->action; + goto_ch = tcf_action_set_ctrlact(*a, parm->action, goto_ch); rcu_swap_protected(d->params, params_new, lockdep_is_held(&d->tcf_lock)); spin_unlock_bh(&d->tcf_lock); if (params_new) kfree_rcu(params_new, rcu); + if (goto_ch) + tcf_chain_put_by_act(goto_ch); if (ret == ACT_P_CREATED) tcf_idr_insert(tn, *a); return ret; +put_chain: + if (goto_ch) + tcf_chain_put_by_act(goto_ch); +release_idr: + tcf_idr_release(*a, bind); + return err; } static int tcf_skbedit_dump(struct sk_buff *skb, struct tc_action *a, diff --git a/net/sched/act_skbmod.c b/net/sched/act_skbmod.c index 7bac1d78e7a3..1d4c324d0a42 100644 --- a/net/sched/act_skbmod.c +++ b/net/sched/act_skbmod.c @@ -16,6 +16,7 @@ #include <linux/rtnetlink.h> #include <net/netlink.h> #include <net/pkt_sched.h> +#include <net/pkt_cls.h> #include <linux/tc_act/tc_skbmod.h> #include <net/tc_act/tc_skbmod.h> @@ -82,11 +83,13 @@ static const struct nla_policy skbmod_policy[TCA_SKBMOD_MAX + 1] = { static int tcf_skbmod_init(struct net *net, struct nlattr *nla, struct nlattr *est, struct tc_action **a, int ovr, int bind, bool rtnl_held, + struct tcf_proto *tp, struct netlink_ext_ack *extack) { struct tc_action_net *tn = net_generic(net, skbmod_net_id); struct nlattr *tb[TCA_SKBMOD_MAX + 1]; struct tcf_skbmod_params *p, *p_old; + struct tcf_chain *goto_ch = NULL; struct tc_skbmod *parm; struct tcf_skbmod *d; bool exists = false; @@ -153,21 +156,24 @@ static int tcf_skbmod_init(struct net *net, struct nlattr *nla, tcf_idr_release(*a, bind); return -EEXIST; } + err = tcf_action_check_ctrlact(parm->action, tp, &goto_ch, extack); + if (err < 0) + goto release_idr; d = to_skbmod(*a); p = kzalloc(sizeof(struct tcf_skbmod_params), GFP_KERNEL); if (unlikely(!p)) { - tcf_idr_release(*a, bind); - return -ENOMEM; + err = -ENOMEM; + goto put_chain; } p->flags = lflags; - d->tcf_action = parm->action; if (ovr) spin_lock_bh(&d->tcf_lock); /* Protected by tcf_lock if overwriting existing action. */ + goto_ch = tcf_action_set_ctrlact(*a, parm->action, goto_ch); p_old = rcu_dereference_protected(d->skbmod_p, 1); if (lflags & SKBMOD_F_DMAC) @@ -183,10 +189,18 @@ static int tcf_skbmod_init(struct net *net, struct nlattr *nla, if (p_old) kfree_rcu(p_old, rcu); + if (goto_ch) + tcf_chain_put_by_act(goto_ch); if (ret == ACT_P_CREATED) tcf_idr_insert(tn, *a); return ret; +put_chain: + if (goto_ch) + tcf_chain_put_by_act(goto_ch); +release_idr: + tcf_idr_release(*a, bind); + return err; } static void tcf_skbmod_cleanup(struct tc_action *a) diff --git a/net/sched/act_tunnel_key.c b/net/sched/act_tunnel_key.c index 7c6591b991d5..d5aaf90a3971 100644 --- a/net/sched/act_tunnel_key.c +++ b/net/sched/act_tunnel_key.c @@ -17,6 +17,7 @@ #include <net/netlink.h> #include <net/pkt_sched.h> #include <net/dst.h> +#include <net/pkt_cls.h> #include <linux/tc_act/tc_tunnel_key.h> #include <net/tc_act/tc_tunnel_key.h> @@ -210,12 +211,14 @@ static void tunnel_key_release_params(struct tcf_tunnel_key_params *p) static int tunnel_key_init(struct net *net, struct nlattr *nla, struct nlattr *est, struct tc_action **a, int ovr, int bind, bool rtnl_held, + struct tcf_proto *tp, struct netlink_ext_ack *extack) { struct tc_action_net *tn = net_generic(net, tunnel_key_net_id); struct nlattr *tb[TCA_TUNNEL_KEY_MAX + 1]; struct tcf_tunnel_key_params *params_new; struct metadata_dst *metadata = NULL; + struct tcf_chain *goto_ch = NULL; struct tc_tunnel_key *parm; struct tcf_tunnel_key *t; bool exists = false; @@ -359,6 +362,12 @@ static int tunnel_key_init(struct net *net, struct nlattr *nla, goto release_tun_meta; } + err = tcf_action_check_ctrlact(parm->action, tp, &goto_ch, extack); + if (err < 0) { + ret = err; + exists = true; + goto release_tun_meta; + } t = to_tunnel_key(*a); params_new = kzalloc(sizeof(*params_new), GFP_KERNEL); @@ -366,23 +375,29 @@ static int tunnel_key_init(struct net *net, struct nlattr *nla, NL_SET_ERR_MSG(extack, "Cannot allocate tunnel key parameters"); ret = -ENOMEM; exists = true; - goto release_tun_meta; + goto put_chain; } params_new->tcft_action = parm->t_action; params_new->tcft_enc_metadata = metadata; spin_lock_bh(&t->tcf_lock); - t->tcf_action = parm->action; + goto_ch = tcf_action_set_ctrlact(*a, parm->action, goto_ch); rcu_swap_protected(t->params, params_new, lockdep_is_held(&t->tcf_lock)); spin_unlock_bh(&t->tcf_lock); tunnel_key_release_params(params_new); + if (goto_ch) + tcf_chain_put_by_act(goto_ch); if (ret == ACT_P_CREATED) tcf_idr_insert(tn, *a); return ret; +put_chain: + if (goto_ch) + tcf_chain_put_by_act(goto_ch); + release_tun_meta: if (metadata) dst_release(&metadata->dst); diff --git a/net/sched/act_vlan.c b/net/sched/act_vlan.c index ac0061599225..0f40d0a74423 100644 --- a/net/sched/act_vlan.c +++ b/net/sched/act_vlan.c @@ -15,6 +15,7 @@ #include <linux/if_vlan.h> #include <net/netlink.h> #include <net/pkt_sched.h> +#include <net/pkt_cls.h> #include <linux/tc_act/tc_vlan.h> #include <net/tc_act/tc_vlan.h> @@ -105,10 +106,11 @@ static const struct nla_policy vlan_policy[TCA_VLAN_MAX + 1] = { static int tcf_vlan_init(struct net *net, struct nlattr *nla, struct nlattr *est, struct tc_action **a, int ovr, int bind, bool rtnl_held, - struct netlink_ext_ack *extack) + struct tcf_proto *tp, struct netlink_ext_ack *extack) { struct tc_action_net *tn = net_generic(net, vlan_net_id); struct nlattr *tb[TCA_VLAN_MAX + 1]; + struct tcf_chain *goto_ch = NULL; struct tcf_vlan_params *p; struct tc_vlan *parm; struct tcf_vlan *v; @@ -200,12 +202,16 @@ static int tcf_vlan_init(struct net *net, struct nlattr *nla, return -EEXIST; } + err = tcf_action_check_ctrlact(parm->action, tp, &goto_ch, extack); + if (err < 0) + goto release_idr; + v = to_vlan(*a); p = kzalloc(sizeof(*p), GFP_KERNEL); if (!p) { - tcf_idr_release(*a, bind); - return -ENOMEM; + err = -ENOMEM; + goto put_chain; } p->tcfv_action = action; @@ -214,16 +220,24 @@ static int tcf_vlan_init(struct net *net, struct nlattr *nla, p->tcfv_push_proto = push_proto; spin_lock_bh(&v->tcf_lock); - v->tcf_action = parm->action; + goto_ch = tcf_action_set_ctrlact(*a, parm->action, goto_ch); rcu_swap_protected(v->vlan_p, p, lockdep_is_held(&v->tcf_lock)); spin_unlock_bh(&v->tcf_lock); + if (goto_ch) + tcf_chain_put_by_act(goto_ch); if (p) kfree_rcu(p, rcu); if (ret == ACT_P_CREATED) tcf_idr_insert(tn, *a); return ret; +put_chain: + if (goto_ch) + tcf_chain_put_by_act(goto_ch); +release_idr: + tcf_idr_release(*a, bind); + return err; } static void tcf_vlan_cleanup(struct tc_action *a) diff --git a/net/sched/cls_api.c b/net/sched/cls_api.c index dc10525e90e7..99ae30c177c7 100644 --- a/net/sched/cls_api.c +++ b/net/sched/cls_api.c @@ -367,7 +367,7 @@ static void tcf_chain_destroy(struct tcf_chain *chain, bool free_block) struct tcf_block *block = chain->block; mutex_destroy(&chain->filter_chain_lock); - kfree(chain); + kfree_rcu(chain, rcu); if (free_block) tcf_block_destroy(block); } diff --git a/net/sched/sch_cake.c b/net/sched/sch_cake.c index 1d2a12132abc..acc9b9da985f 100644 --- a/net/sched/sch_cake.c +++ b/net/sched/sch_cake.c @@ -211,6 +211,9 @@ struct cake_sched_data { u8 ack_filter; u8 atm_mode; + u32 fwmark_mask; + u16 fwmark_shft; + /* time_next = time_this + ((len * rate_ns) >> rate_shft) */ u16 rate_shft; ktime_t time_next_packet; @@ -258,8 +261,7 @@ enum { CAKE_FLAG_AUTORATE_INGRESS = BIT(1), CAKE_FLAG_INGRESS = BIT(2), CAKE_FLAG_WASH = BIT(3), - CAKE_FLAG_SPLIT_GSO = BIT(4), - CAKE_FLAG_FWMARK = BIT(5) + CAKE_FLAG_SPLIT_GSO = BIT(4) }; /* COBALT operates the Codel and BLUE algorithms in parallel, in order to @@ -1543,7 +1545,7 @@ static struct cake_tin_data *cake_select_tin(struct Qdisc *sch, struct sk_buff *skb) { struct cake_sched_data *q = qdisc_priv(sch); - u32 tin; + u32 tin, mark; u8 dscp; /* Tin selection: Default to diffserv-based selection, allow overriding @@ -1551,14 +1553,13 @@ static struct cake_tin_data *cake_select_tin(struct Qdisc *sch, */ dscp = cake_handle_diffserv(skb, q->rate_flags & CAKE_FLAG_WASH); + mark = (skb->mark & q->fwmark_mask) >> q->fwmark_shft; if (q->tin_mode == CAKE_DIFFSERV_BESTEFFORT) tin = 0; - else if (q->rate_flags & CAKE_FLAG_FWMARK && /* use fw mark */ - skb->mark && - skb->mark <= q->tin_cnt) - tin = q->tin_order[skb->mark - 1]; + else if (mark && mark <= q->tin_cnt) + tin = q->tin_order[mark - 1]; else if (TC_H_MAJ(skb->priority) == sch->handle && TC_H_MIN(skb->priority) > 0 && @@ -2172,6 +2173,7 @@ static const struct nla_policy cake_policy[TCA_CAKE_MAX + 1] = { [TCA_CAKE_MPU] = { .type = NLA_U32 }, [TCA_CAKE_INGRESS] = { .type = NLA_U32 }, [TCA_CAKE_ACK_FILTER] = { .type = NLA_U32 }, + [TCA_CAKE_FWMARK] = { .type = NLA_U32 }, }; static void cake_set_rate(struct cake_tin_data *b, u64 rate, u32 mtu, @@ -2619,10 +2621,8 @@ static int cake_change(struct Qdisc *sch, struct nlattr *opt, } if (tb[TCA_CAKE_FWMARK]) { - if (!!nla_get_u32(tb[TCA_CAKE_FWMARK])) - q->rate_flags |= CAKE_FLAG_FWMARK; - else - q->rate_flags &= ~CAKE_FLAG_FWMARK; + q->fwmark_mask = nla_get_u32(tb[TCA_CAKE_FWMARK]); + q->fwmark_shft = q->fwmark_mask ? __ffs(q->fwmark_mask) : 0; } if (q->tins) { @@ -2784,8 +2784,7 @@ static int cake_dump(struct Qdisc *sch, struct sk_buff *skb) !!(q->rate_flags & CAKE_FLAG_SPLIT_GSO))) goto nla_put_failure; - if (nla_put_u32(skb, TCA_CAKE_FWMARK, - !!(q->rate_flags & CAKE_FLAG_FWMARK))) + if (nla_put_u32(skb, TCA_CAKE_FWMARK, q->fwmark_mask)) goto nla_put_failure; return nla_nest_end(skb, opts); diff --git a/net/sctp/socket.c b/net/sctp/socket.c index 6140471efd4b..9874e60c9b0d 100644 --- a/net/sctp/socket.c +++ b/net/sctp/socket.c @@ -999,7 +999,7 @@ static int sctp_setsockopt_bindx(struct sock *sk, if (unlikely(addrs_size <= 0)) return -EINVAL; - kaddrs = vmemdup_user(addrs, addrs_size); + kaddrs = memdup_user(addrs, addrs_size); if (unlikely(IS_ERR(kaddrs))) return PTR_ERR(kaddrs); @@ -1007,7 +1007,7 @@ static int sctp_setsockopt_bindx(struct sock *sk, addr_buf = kaddrs; while (walk_size < addrs_size) { if (walk_size + sizeof(sa_family_t) > addrs_size) { - kvfree(kaddrs); + kfree(kaddrs); return -EINVAL; } @@ -1018,7 +1018,7 @@ static int sctp_setsockopt_bindx(struct sock *sk, * causes the address buffer to overflow return EINVAL. */ if (!af || (walk_size + af->sockaddr_len) > addrs_size) { - kvfree(kaddrs); + kfree(kaddrs); return -EINVAL; } addrcnt++; @@ -1054,7 +1054,7 @@ static int sctp_setsockopt_bindx(struct sock *sk, } out: - kvfree(kaddrs); + kfree(kaddrs); return err; } @@ -1329,7 +1329,7 @@ static int __sctp_setsockopt_connectx(struct sock *sk, if (unlikely(addrs_size <= 0)) return -EINVAL; - kaddrs = vmemdup_user(addrs, addrs_size); + kaddrs = memdup_user(addrs, addrs_size); if (unlikely(IS_ERR(kaddrs))) return PTR_ERR(kaddrs); @@ -1349,7 +1349,7 @@ static int __sctp_setsockopt_connectx(struct sock *sk, err = __sctp_connect(sk, kaddrs, addrs_size, flags, assoc_id); out_free: - kvfree(kaddrs); + kfree(kaddrs); return err; } @@ -2920,6 +2920,9 @@ static int sctp_setsockopt_delayed_ack(struct sock *sk, return 0; } + if (sctp_style(sk, TCP)) + params.sack_assoc_id = SCTP_FUTURE_ASSOC; + if (params.sack_assoc_id == SCTP_FUTURE_ASSOC || params.sack_assoc_id == SCTP_ALL_ASSOC) { if (params.sack_delay) { @@ -3024,6 +3027,9 @@ static int sctp_setsockopt_default_send_param(struct sock *sk, return 0; } + if (sctp_style(sk, TCP)) + info.sinfo_assoc_id = SCTP_FUTURE_ASSOC; + if (info.sinfo_assoc_id == SCTP_FUTURE_ASSOC || info.sinfo_assoc_id == SCTP_ALL_ASSOC) { sp->default_stream = info.sinfo_stream; @@ -3081,6 +3087,9 @@ static int sctp_setsockopt_default_sndinfo(struct sock *sk, return 0; } + if (sctp_style(sk, TCP)) + info.snd_assoc_id = SCTP_FUTURE_ASSOC; + if (info.snd_assoc_id == SCTP_FUTURE_ASSOC || info.snd_assoc_id == SCTP_ALL_ASSOC) { sp->default_stream = info.snd_sid; @@ -3531,6 +3540,9 @@ static int sctp_setsockopt_context(struct sock *sk, char __user *optval, return 0; } + if (sctp_style(sk, TCP)) + params.assoc_id = SCTP_FUTURE_ASSOC; + if (params.assoc_id == SCTP_FUTURE_ASSOC || params.assoc_id == SCTP_ALL_ASSOC) sp->default_rcv_context = params.assoc_value; @@ -3670,6 +3682,9 @@ static int sctp_setsockopt_maxburst(struct sock *sk, return 0; } + if (sctp_style(sk, TCP)) + params.assoc_id = SCTP_FUTURE_ASSOC; + if (params.assoc_id == SCTP_FUTURE_ASSOC || params.assoc_id == SCTP_ALL_ASSOC) sp->max_burst = params.assoc_value; @@ -3798,6 +3813,9 @@ static int sctp_setsockopt_auth_key(struct sock *sk, goto out; } + if (sctp_style(sk, TCP)) + authkey->sca_assoc_id = SCTP_FUTURE_ASSOC; + if (authkey->sca_assoc_id == SCTP_FUTURE_ASSOC || authkey->sca_assoc_id == SCTP_ALL_ASSOC) { ret = sctp_auth_set_key(ep, asoc, authkey); @@ -3853,6 +3871,9 @@ static int sctp_setsockopt_active_key(struct sock *sk, if (asoc) return sctp_auth_set_active_key(ep, asoc, val.scact_keynumber); + if (sctp_style(sk, TCP)) + val.scact_assoc_id = SCTP_FUTURE_ASSOC; + if (val.scact_assoc_id == SCTP_FUTURE_ASSOC || val.scact_assoc_id == SCTP_ALL_ASSOC) { ret = sctp_auth_set_active_key(ep, asoc, val.scact_keynumber); @@ -3904,6 +3925,9 @@ static int sctp_setsockopt_del_key(struct sock *sk, if (asoc) return sctp_auth_del_key_id(ep, asoc, val.scact_keynumber); + if (sctp_style(sk, TCP)) + val.scact_assoc_id = SCTP_FUTURE_ASSOC; + if (val.scact_assoc_id == SCTP_FUTURE_ASSOC || val.scact_assoc_id == SCTP_ALL_ASSOC) { ret = sctp_auth_del_key_id(ep, asoc, val.scact_keynumber); @@ -3954,6 +3978,9 @@ static int sctp_setsockopt_deactivate_key(struct sock *sk, char __user *optval, if (asoc) return sctp_auth_deact_key_id(ep, asoc, val.scact_keynumber); + if (sctp_style(sk, TCP)) + val.scact_assoc_id = SCTP_FUTURE_ASSOC; + if (val.scact_assoc_id == SCTP_FUTURE_ASSOC || val.scact_assoc_id == SCTP_ALL_ASSOC) { ret = sctp_auth_deact_key_id(ep, asoc, val.scact_keynumber); @@ -4169,6 +4196,9 @@ static int sctp_setsockopt_default_prinfo(struct sock *sk, goto out; } + if (sctp_style(sk, TCP)) + info.pr_assoc_id = SCTP_FUTURE_ASSOC; + if (info.pr_assoc_id == SCTP_FUTURE_ASSOC || info.pr_assoc_id == SCTP_ALL_ASSOC) { SCTP_PR_SET_POLICY(sp->default_flags, info.pr_policy); @@ -4251,6 +4281,9 @@ static int sctp_setsockopt_enable_strreset(struct sock *sk, goto out; } + if (sctp_style(sk, TCP)) + params.assoc_id = SCTP_FUTURE_ASSOC; + if (params.assoc_id == SCTP_FUTURE_ASSOC || params.assoc_id == SCTP_ALL_ASSOC) ep->strreset_enable = params.assoc_value; @@ -4376,6 +4409,9 @@ static int sctp_setsockopt_scheduler(struct sock *sk, if (asoc) return sctp_sched_set_sched(asoc, params.assoc_value); + if (sctp_style(sk, TCP)) + params.assoc_id = SCTP_FUTURE_ASSOC; + if (params.assoc_id == SCTP_FUTURE_ASSOC || params.assoc_id == SCTP_ALL_ASSOC) sp->default_ss = params.assoc_value; @@ -4541,6 +4577,9 @@ static int sctp_setsockopt_event(struct sock *sk, char __user *optval, if (asoc) return sctp_assoc_ulpevent_type_set(¶m, asoc); + if (sctp_style(sk, TCP)) + param.se_assoc_id = SCTP_FUTURE_ASSOC; + if (param.se_assoc_id == SCTP_FUTURE_ASSOC || param.se_assoc_id == SCTP_ALL_ASSOC) sctp_ulpevent_type_set(&sp->subscribe, @@ -9169,7 +9208,7 @@ static inline void sctp_copy_descendant(struct sock *sk_to, { int ancestor_size = sizeof(struct inet_sock) + sizeof(struct sctp_sock) - - offsetof(struct sctp_sock, auto_asconf_list); + offsetof(struct sctp_sock, pd_lobby); if (sk_from->sk_family == PF_INET6) ancestor_size += sizeof(struct ipv6_pinfo); @@ -9253,7 +9292,6 @@ static int sctp_sock_migrate(struct sock *oldsk, struct sock *newsk, * 2) Peeling off partial delivery; keep pd_lobby in new pd_lobby. * 3) Peeling off non-partial delivery; move pd_lobby to receive_queue. */ - skb_queue_head_init(&newsp->pd_lobby); atomic_set(&sctp_sk(newsk)->pd_mode, assoc->ulpq.pd_mode); if (atomic_read(&sctp_sk(oldsk)->pd_mode)) { diff --git a/net/socket.c b/net/socket.c index 3c176a12fe48..8255f5bda0aa 100644 --- a/net/socket.c +++ b/net/socket.c @@ -384,6 +384,18 @@ static struct file_system_type sock_fs_type = { * but we take care of internal coherence yet. */ +/** + * sock_alloc_file - Bind a &socket to a &file + * @sock: socket + * @flags: file status flags + * @dname: protocol name + * + * Returns the &file bound with @sock, implicitly storing it + * in sock->file. If dname is %NULL, sets to "". + * On failure the return is a ERR pointer (see linux/err.h). + * This function uses GFP_KERNEL internally. + */ + struct file *sock_alloc_file(struct socket *sock, int flags, const char *dname) { struct file *file; @@ -424,6 +436,14 @@ static int sock_map_fd(struct socket *sock, int flags) return PTR_ERR(newfile); } +/** + * sock_from_file - Return the &socket bounded to @file. + * @file: file + * @err: pointer to an error code return + * + * On failure returns %NULL and assigns -ENOTSOCK to @err. + */ + struct socket *sock_from_file(struct file *file, int *err) { if (file->f_op == &socket_file_ops) @@ -532,11 +552,11 @@ static const struct inode_operations sockfs_inode_ops = { }; /** - * sock_alloc - allocate a socket + * sock_alloc - allocate a socket * * Allocate a new inode and socket object. The two are bound together * and initialised. The socket is then returned. If we are out of inodes - * NULL is returned. + * NULL is returned. This functions uses GFP_KERNEL internally. */ struct socket *sock_alloc(void) @@ -561,7 +581,7 @@ struct socket *sock_alloc(void) EXPORT_SYMBOL(sock_alloc); /** - * sock_release - close a socket + * sock_release - close a socket * @sock: socket to close * * The socket is released from the protocol stack if it has a release @@ -617,6 +637,15 @@ void __sock_tx_timestamp(__u16 tsflags, __u8 *tx_flags) } EXPORT_SYMBOL(__sock_tx_timestamp); +/** + * sock_sendmsg - send a message through @sock + * @sock: socket + * @msg: message to send + * + * Sends @msg through @sock, passing through LSM. + * Returns the number of bytes sent, or an error code. + */ + static inline int sock_sendmsg_nosec(struct socket *sock, struct msghdr *msg) { int ret = sock->ops->sendmsg(sock, msg, msg_data_left(msg)); @@ -633,6 +662,18 @@ int sock_sendmsg(struct socket *sock, struct msghdr *msg) } EXPORT_SYMBOL(sock_sendmsg); +/** + * kernel_sendmsg - send a message through @sock (kernel-space) + * @sock: socket + * @msg: message header + * @vec: kernel vec + * @num: vec array length + * @size: total message data size + * + * Builds the message data with @vec and sends it through @sock. + * Returns the number of bytes sent, or an error code. + */ + int kernel_sendmsg(struct socket *sock, struct msghdr *msg, struct kvec *vec, size_t num, size_t size) { @@ -641,6 +682,19 @@ int kernel_sendmsg(struct socket *sock, struct msghdr *msg, } EXPORT_SYMBOL(kernel_sendmsg); +/** + * kernel_sendmsg_locked - send a message through @sock (kernel-space) + * @sk: sock + * @msg: message header + * @vec: output s/g array + * @num: output s/g array length + * @size: total message data size + * + * Builds the message data with @vec and sends it through @sock. + * Returns the number of bytes sent, or an error code. + * Caller must hold @sk. + */ + int kernel_sendmsg_locked(struct sock *sk, struct msghdr *msg, struct kvec *vec, size_t num, size_t size) { @@ -811,6 +865,16 @@ void __sock_recv_ts_and_drops(struct msghdr *msg, struct sock *sk, } EXPORT_SYMBOL_GPL(__sock_recv_ts_and_drops); +/** + * sock_recvmsg - receive a message from @sock + * @sock: socket + * @msg: message to receive + * @flags: message flags + * + * Receives @msg from @sock, passing through LSM. Returns the total number + * of bytes received, or an error. + */ + static inline int sock_recvmsg_nosec(struct socket *sock, struct msghdr *msg, int flags) { @@ -826,20 +890,21 @@ int sock_recvmsg(struct socket *sock, struct msghdr *msg, int flags) EXPORT_SYMBOL(sock_recvmsg); /** - * kernel_recvmsg - Receive a message from a socket (kernel space) - * @sock: The socket to receive the message from - * @msg: Received message - * @vec: Input s/g array for message data - * @num: Size of input s/g array - * @size: Number of bytes to read - * @flags: Message flags (MSG_DONTWAIT, etc...) + * kernel_recvmsg - Receive a message from a socket (kernel space) + * @sock: The socket to receive the message from + * @msg: Received message + * @vec: Input s/g array for message data + * @num: Size of input s/g array + * @size: Number of bytes to read + * @flags: Message flags (MSG_DONTWAIT, etc...) * - * On return the msg structure contains the scatter/gather array passed in the - * vec argument. The array is modified so that it consists of the unfilled - * portion of the original array. + * On return the msg structure contains the scatter/gather array passed in the + * vec argument. The array is modified so that it consists of the unfilled + * portion of the original array. * - * The returned value is the total number of bytes received, or an error. + * The returned value is the total number of bytes received, or an error. */ + int kernel_recvmsg(struct socket *sock, struct msghdr *msg, struct kvec *vec, size_t num, size_t size, int flags) { @@ -1005,6 +1070,13 @@ static long sock_do_ioctl(struct net *net, struct socket *sock, * what to do with it - that's up to the protocol still. */ +/** + * get_net_ns - increment the refcount of the network namespace + * @ns: common namespace (net) + * + * Returns the net's common namespace. + */ + struct ns_common *get_net_ns(struct ns_common *ns) { return &get_net(container_of(ns, struct net, ns))->ns; @@ -1099,6 +1171,19 @@ static long sock_ioctl(struct file *file, unsigned cmd, unsigned long arg) return err; } +/** + * sock_create_lite - creates a socket + * @family: protocol family (AF_INET, ...) + * @type: communication type (SOCK_STREAM, ...) + * @protocol: protocol (0, ...) + * @res: new socket + * + * Creates a new socket and assigns it to @res, passing through LSM. + * The new socket initialization is not complete, see kernel_accept(). + * Returns 0 or an error. On failure @res is set to %NULL. + * This function internally uses GFP_KERNEL. + */ + int sock_create_lite(int family, int type, int protocol, struct socket **res) { int err; @@ -1224,6 +1309,21 @@ call_kill: } EXPORT_SYMBOL(sock_wake_async); +/** + * __sock_create - creates a socket + * @net: net namespace + * @family: protocol family (AF_INET, ...) + * @type: communication type (SOCK_STREAM, ...) + * @protocol: protocol (0, ...) + * @res: new socket + * @kern: boolean for kernel space sockets + * + * Creates a new socket and assigns it to @res, passing through LSM. + * Returns 0 or an error. On failure @res is set to %NULL. @kern must + * be set to true if the socket resides in kernel space. + * This function internally uses GFP_KERNEL. + */ + int __sock_create(struct net *net, int family, int type, int protocol, struct socket **res, int kern) { @@ -1333,12 +1433,35 @@ out_release: } EXPORT_SYMBOL(__sock_create); +/** + * sock_create - creates a socket + * @family: protocol family (AF_INET, ...) + * @type: communication type (SOCK_STREAM, ...) + * @protocol: protocol (0, ...) + * @res: new socket + * + * A wrapper around __sock_create(). + * Returns 0 or an error. This function internally uses GFP_KERNEL. + */ + int sock_create(int family, int type, int protocol, struct socket **res) { return __sock_create(current->nsproxy->net_ns, family, type, protocol, res, 0); } EXPORT_SYMBOL(sock_create); +/** + * sock_create_kern - creates a socket (kernel space) + * @net: net namespace + * @family: protocol family (AF_INET, ...) + * @type: communication type (SOCK_STREAM, ...) + * @protocol: protocol (0, ...) + * @res: new socket + * + * A wrapper around __sock_create(). + * Returns 0 or an error. This function internally uses GFP_KERNEL. + */ + int sock_create_kern(struct net *net, int family, int type, int protocol, struct socket **res) { return __sock_create(net, family, type, protocol, res, 1); @@ -3322,18 +3445,46 @@ static long compat_sock_ioctl(struct file *file, unsigned int cmd, } #endif +/** + * kernel_bind - bind an address to a socket (kernel space) + * @sock: socket + * @addr: address + * @addrlen: length of address + * + * Returns 0 or an error. + */ + int kernel_bind(struct socket *sock, struct sockaddr *addr, int addrlen) { return sock->ops->bind(sock, addr, addrlen); } EXPORT_SYMBOL(kernel_bind); +/** + * kernel_listen - move socket to listening state (kernel space) + * @sock: socket + * @backlog: pending connections queue size + * + * Returns 0 or an error. + */ + int kernel_listen(struct socket *sock, int backlog) { return sock->ops->listen(sock, backlog); } EXPORT_SYMBOL(kernel_listen); +/** + * kernel_accept - accept a connection (kernel space) + * @sock: listening socket + * @newsock: new connected socket + * @flags: flags + * + * @flags must be SOCK_CLOEXEC, SOCK_NONBLOCK or 0. + * If it fails, @newsock is guaranteed to be %NULL. + * Returns 0 or an error. + */ + int kernel_accept(struct socket *sock, struct socket **newsock, int flags) { struct sock *sk = sock->sk; @@ -3359,6 +3510,19 @@ done: } EXPORT_SYMBOL(kernel_accept); +/** + * kernel_connect - connect a socket (kernel space) + * @sock: socket + * @addr: address + * @addrlen: address length + * @flags: flags (O_NONBLOCK, ...) + * + * For datagram sockets, @addr is the addres to which datagrams are sent + * by default, and the only address from which datagrams are received. + * For stream sockets, attempts to connect to @addr. + * Returns 0 or an error code. + */ + int kernel_connect(struct socket *sock, struct sockaddr *addr, int addrlen, int flags) { @@ -3366,18 +3530,48 @@ int kernel_connect(struct socket *sock, struct sockaddr *addr, int addrlen, } EXPORT_SYMBOL(kernel_connect); +/** + * kernel_getsockname - get the address which the socket is bound (kernel space) + * @sock: socket + * @addr: address holder + * + * Fills the @addr pointer with the address which the socket is bound. + * Returns 0 or an error code. + */ + int kernel_getsockname(struct socket *sock, struct sockaddr *addr) { return sock->ops->getname(sock, addr, 0); } EXPORT_SYMBOL(kernel_getsockname); +/** + * kernel_peername - get the address which the socket is connected (kernel space) + * @sock: socket + * @addr: address holder + * + * Fills the @addr pointer with the address which the socket is connected. + * Returns 0 or an error code. + */ + int kernel_getpeername(struct socket *sock, struct sockaddr *addr) { return sock->ops->getname(sock, addr, 1); } EXPORT_SYMBOL(kernel_getpeername); +/** + * kernel_getsockopt - get a socket option (kernel space) + * @sock: socket + * @level: API level (SOL_SOCKET, ...) + * @optname: option tag + * @optval: option value + * @optlen: option length + * + * Assigns the option length to @optlen. + * Returns 0 or an error. + */ + int kernel_getsockopt(struct socket *sock, int level, int optname, char *optval, int *optlen) { @@ -3400,6 +3594,17 @@ int kernel_getsockopt(struct socket *sock, int level, int optname, } EXPORT_SYMBOL(kernel_getsockopt); +/** + * kernel_setsockopt - set a socket option (kernel space) + * @sock: socket + * @level: API level (SOL_SOCKET, ...) + * @optname: option tag + * @optval: option value + * @optlen: option length + * + * Returns 0 or an error. + */ + int kernel_setsockopt(struct socket *sock, int level, int optname, char *optval, unsigned int optlen) { @@ -3420,6 +3625,17 @@ int kernel_setsockopt(struct socket *sock, int level, int optname, } EXPORT_SYMBOL(kernel_setsockopt); +/** + * kernel_sendpage - send a &page through a socket (kernel space) + * @sock: socket + * @page: page + * @offset: page offset + * @size: total size in bytes + * @flags: flags (MSG_DONTWAIT, ...) + * + * Returns the total amount sent in bytes or an error. + */ + int kernel_sendpage(struct socket *sock, struct page *page, int offset, size_t size, int flags) { @@ -3430,6 +3646,18 @@ int kernel_sendpage(struct socket *sock, struct page *page, int offset, } EXPORT_SYMBOL(kernel_sendpage); +/** + * kernel_sendpage_locked - send a &page through the locked sock (kernel space) + * @sk: sock + * @page: page + * @offset: page offset + * @size: total size in bytes + * @flags: flags (MSG_DONTWAIT, ...) + * + * Returns the total amount sent in bytes or an error. + * Caller must hold @sk. + */ + int kernel_sendpage_locked(struct sock *sk, struct page *page, int offset, size_t size, int flags) { @@ -3443,17 +3671,30 @@ int kernel_sendpage_locked(struct sock *sk, struct page *page, int offset, } EXPORT_SYMBOL(kernel_sendpage_locked); +/** + * kernel_shutdown - shut down part of a full-duplex connection (kernel space) + * @sock: socket + * @how: connection part + * + * Returns 0 or an error. + */ + int kernel_sock_shutdown(struct socket *sock, enum sock_shutdown_cmd how) { return sock->ops->shutdown(sock, how); } EXPORT_SYMBOL(kernel_sock_shutdown); -/* This routine returns the IP overhead imposed by a socket i.e. - * the length of the underlying IP header, depending on whether - * this is an IPv4 or IPv6 socket and the length from IP options turned - * on at the socket. Assumes that the caller has a lock on the socket. +/** + * kernel_sock_ip_overhead - returns the IP overhead imposed by a socket + * @sk: socket + * + * This routine returns the IP overhead imposed by a socket i.e. + * the length of the underlying IP header, depending on whether + * this is an IPv4 or IPv6 socket and the length from IP options turned + * on at the socket. Assumes that the caller has a lock on the socket. */ + u32 kernel_sock_ip_overhead(struct sock *sk) { struct inet_sock *inet; diff --git a/net/strparser/strparser.c b/net/strparser/strparser.c index da1a676860ca..860dcfb95ee4 100644 --- a/net/strparser/strparser.c +++ b/net/strparser/strparser.c @@ -550,6 +550,8 @@ EXPORT_SYMBOL_GPL(strp_check_rcv); static int __init strp_mod_init(void) { strp_wq = create_singlethread_workqueue("kstrp"); + if (unlikely(!strp_wq)) + return -ENOMEM; return 0; } diff --git a/net/sunrpc/clnt.c b/net/sunrpc/clnt.c index 228970e6e52b..187d10443a15 100644 --- a/net/sunrpc/clnt.c +++ b/net/sunrpc/clnt.c @@ -2311,6 +2311,15 @@ out_exit: rpc_exit(task, status); } +static bool +rpc_check_connected(const struct rpc_rqst *req) +{ + /* No allocated request or transport? return true */ + if (!req || !req->rq_xprt) + return true; + return xprt_connected(req->rq_xprt); +} + static void rpc_check_timeout(struct rpc_task *task) { @@ -2322,10 +2331,11 @@ rpc_check_timeout(struct rpc_task *task) dprintk("RPC: %5u call_timeout (major)\n", task->tk_pid); task->tk_timeouts++; - if (RPC_IS_SOFTCONN(task)) { + if (RPC_IS_SOFTCONN(task) && !rpc_check_connected(task->tk_rqstp)) { rpc_exit(task, -ETIMEDOUT); return; } + if (RPC_IS_SOFT(task)) { if (clnt->cl_chatty) { printk(KERN_NOTICE "%s: server %s not responding, timed out\n", diff --git a/net/sunrpc/xprtsock.c b/net/sunrpc/xprtsock.c index 9359539907ba..732d4b57411a 100644 --- a/net/sunrpc/xprtsock.c +++ b/net/sunrpc/xprtsock.c @@ -495,8 +495,8 @@ xs_read_stream_request(struct sock_xprt *transport, struct msghdr *msg, int flags, struct rpc_rqst *req) { struct xdr_buf *buf = &req->rq_private_buf; - size_t want, read; - ssize_t ret; + size_t want, uninitialized_var(read); + ssize_t uninitialized_var(ret); xs_read_header(transport, buf); diff --git a/net/tipc/group.c b/net/tipc/group.c index 06fee142f09f..63f39201e41e 100644 --- a/net/tipc/group.c +++ b/net/tipc/group.c @@ -919,6 +919,9 @@ int tipc_group_fill_sock_diag(struct tipc_group *grp, struct sk_buff *skb) { struct nlattr *group = nla_nest_start(skb, TIPC_NLA_SOCK_GROUP); + if (!group) + return -EMSGSIZE; + if (nla_put_u32(skb, TIPC_NLA_SOCK_GROUP_ID, grp->type) || nla_put_u32(skb, TIPC_NLA_SOCK_GROUP_INSTANCE, diff --git a/net/tipc/net.c b/net/tipc/net.c index f076edb74338..7ce1e86b024f 100644 --- a/net/tipc/net.c +++ b/net/tipc/net.c @@ -163,12 +163,9 @@ void tipc_sched_net_finalize(struct net *net, u32 addr) void tipc_net_stop(struct net *net) { - u32 self = tipc_own_addr(net); - - if (!self) + if (!tipc_own_id(net)) return; - tipc_nametbl_withdraw(net, TIPC_CFG_SRV, self, self, self); rtnl_lock(); tipc_bearer_stop(net); tipc_node_stop(net); diff --git a/net/tipc/node.c b/net/tipc/node.c index 2dc4919ab23c..dd3b6dc17662 100644 --- a/net/tipc/node.c +++ b/net/tipc/node.c @@ -817,10 +817,10 @@ static void __tipc_node_link_down(struct tipc_node *n, int *bearer_id, static void tipc_node_link_down(struct tipc_node *n, int bearer_id, bool delete) { struct tipc_link_entry *le = &n->links[bearer_id]; + struct tipc_media_addr *maddr = NULL; struct tipc_link *l = le->link; - struct tipc_media_addr *maddr; - struct sk_buff_head xmitq; int old_bearer_id = bearer_id; + struct sk_buff_head xmitq; if (!l) return; @@ -844,7 +844,8 @@ static void tipc_node_link_down(struct tipc_node *n, int bearer_id, bool delete) tipc_node_write_unlock(n); if (delete) tipc_mon_remove_peer(n->net, n->addr, old_bearer_id); - tipc_bearer_xmit(n->net, bearer_id, &xmitq, maddr); + if (!skb_queue_empty(&xmitq)) + tipc_bearer_xmit(n->net, bearer_id, &xmitq, maddr); tipc_sk_rcv(n->net, &le->inputq); } diff --git a/net/tipc/socket.c b/net/tipc/socket.c index 3274ef625dba..b542f14ed444 100644 --- a/net/tipc/socket.c +++ b/net/tipc/socket.c @@ -2349,6 +2349,16 @@ static int tipc_wait_for_connect(struct socket *sock, long *timeo_p) return 0; } +static bool tipc_sockaddr_is_sane(struct sockaddr_tipc *addr) +{ + if (addr->family != AF_TIPC) + return false; + if (addr->addrtype == TIPC_SERVICE_RANGE) + return (addr->addr.nameseq.lower <= addr->addr.nameseq.upper); + return (addr->addrtype == TIPC_SERVICE_ADDR || + addr->addrtype == TIPC_SOCKET_ADDR); +} + /** * tipc_connect - establish a connection to another TIPC port * @sock: socket structure @@ -2384,18 +2394,18 @@ static int tipc_connect(struct socket *sock, struct sockaddr *dest, if (!tipc_sk_type_connectionless(sk)) res = -EINVAL; goto exit; - } else if (dst->family != AF_TIPC) { - res = -EINVAL; } - if (dst->addrtype != TIPC_ADDR_ID && dst->addrtype != TIPC_ADDR_NAME) + if (!tipc_sockaddr_is_sane(dst)) { res = -EINVAL; - if (res) goto exit; - + } /* DGRAM/RDM connect(), just save the destaddr */ if (tipc_sk_type_connectionless(sk)) { memcpy(&tsk->peer, dest, destlen); goto exit; + } else if (dst->addrtype == TIPC_SERVICE_RANGE) { + res = -EINVAL; + goto exit; } previous = sk->sk_state; @@ -3255,6 +3265,8 @@ static int __tipc_nl_add_sk_con(struct sk_buff *skb, struct tipc_sock *tsk) peer_port = tsk_peer_port(tsk); nest = nla_nest_start(skb, TIPC_NLA_SOCK_CON); + if (!nest) + return -EMSGSIZE; if (nla_put_u32(skb, TIPC_NLA_CON_NODE, peer_node)) goto msg_full; diff --git a/net/tipc/topsrv.c b/net/tipc/topsrv.c index 4a708a4e8583..b45932d78004 100644 --- a/net/tipc/topsrv.c +++ b/net/tipc/topsrv.c @@ -363,6 +363,7 @@ static int tipc_conn_rcv_sub(struct tipc_topsrv *srv, struct tipc_subscription *sub; if (tipc_sub_read(s, filter) & TIPC_SUB_CANCEL) { + s->filter &= __constant_ntohl(~TIPC_SUB_CANCEL); tipc_conn_delete_sub(con, s); return 0; } diff --git a/net/xdp/xdp_umem.c b/net/xdp/xdp_umem.c index 77520eacee8f..989e52386c35 100644 --- a/net/xdp/xdp_umem.c +++ b/net/xdp/xdp_umem.c @@ -193,9 +193,6 @@ static void xdp_umem_unaccount_pages(struct xdp_umem *umem) static void xdp_umem_release(struct xdp_umem *umem) { - struct task_struct *task; - struct mm_struct *mm; - xdp_umem_clear_dev(umem); ida_simple_remove(&umem_ida, umem->id); @@ -214,21 +211,10 @@ static void xdp_umem_release(struct xdp_umem *umem) xdp_umem_unpin_pages(umem); - task = get_pid_task(umem->pid, PIDTYPE_PID); - put_pid(umem->pid); - if (!task) - goto out; - mm = get_task_mm(task); - put_task_struct(task); - if (!mm) - goto out; - - mmput(mm); kfree(umem->pages); umem->pages = NULL; xdp_umem_unaccount_pages(umem); -out: kfree(umem); } @@ -357,7 +343,6 @@ static int xdp_umem_reg(struct xdp_umem *umem, struct xdp_umem_reg *mr) if (size_chk < 0) return -EINVAL; - umem->pid = get_task_pid(current, PIDTYPE_PID); umem->address = (unsigned long)addr; umem->chunk_mask = ~((u64)chunk_size - 1); umem->size = size; @@ -373,7 +358,7 @@ static int xdp_umem_reg(struct xdp_umem *umem, struct xdp_umem_reg *mr) err = xdp_umem_account_pages(umem); if (err) - goto out; + return err; err = xdp_umem_pin_pages(umem); if (err) @@ -392,8 +377,6 @@ static int xdp_umem_reg(struct xdp_umem *umem, struct xdp_umem_reg *mr) out_account: xdp_umem_unaccount_pages(umem); -out: - put_pid(umem->pid); return err; } diff --git a/scripts/Makefile.build b/scripts/Makefile.build index 2554a15ecf2b..76ca30cc4791 100644 --- a/scripts/Makefile.build +++ b/scripts/Makefile.build @@ -199,11 +199,8 @@ sub_cmd_record_mcount = perl $(srctree)/scripts/recordmcount.pl "$(ARCH)" \ "$(if $(part-of-module),1,0)" "$(@)"; recordmcount_source := $(srctree)/scripts/recordmcount.pl endif # BUILD_C_RECORDMCOUNT -cmd_record_mcount = \ - if [ "$(findstring $(CC_FLAGS_FTRACE),$(_c_flags))" = \ - "$(CC_FLAGS_FTRACE)" ]; then \ - $(sub_cmd_record_mcount) \ - fi +cmd_record_mcount = $(if $(findstring $(strip $(CC_FLAGS_FTRACE)),$(_c_flags)), \ + $(sub_cmd_record_mcount)) endif # CC_USING_RECORD_MCOUNT endif # CONFIG_FTRACE_MCOUNT_RECORD diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl index 5b756278df13..a09333fd7cef 100755 --- a/scripts/checkpatch.pl +++ b/scripts/checkpatch.pl @@ -5977,7 +5977,7 @@ sub process { while ($fmt =~ /(\%[\*\d\.]*p(\w))/g) { $specifier = $1; $extension = $2; - if ($extension !~ /[SsBKRraEhMmIiUDdgVCbGNOx]/) { + if ($extension !~ /[SsBKRraEhMmIiUDdgVCbGNOxt]/) { $bad_specifier = $specifier; last; } diff --git a/scripts/coccinelle/free/put_device.cocci b/scripts/coccinelle/free/put_device.cocci index 7395697e7f19..c9f071b0a0ab 100644 --- a/scripts/coccinelle/free/put_device.cocci +++ b/scripts/coccinelle/free/put_device.cocci @@ -32,6 +32,7 @@ if (id == NULL || ...) { ... return ...; } ( id | (T2)dev_get_drvdata(&id->dev) | (T3)platform_get_drvdata(id) +| &id->dev ); | return@p2 ...; ) diff --git a/scripts/coccinelle/misc/badty.cocci b/scripts/coccinelle/misc/badty.cocci index 481cf301ccfc..08470362199c 100644 --- a/scripts/coccinelle/misc/badty.cocci +++ b/scripts/coccinelle/misc/badty.cocci @@ -1,4 +1,4 @@ -/// Use ARRAY_SIZE instead of dividing sizeof array with sizeof an element +/// Correct the size argument to alloc functions /// //# This makes an effort to find cases where the argument to sizeof is wrong //# in memory allocation functions by checking the type of the allocated memory diff --git a/scripts/kconfig/lxdialog/inputbox.c b/scripts/kconfig/lxdialog/inputbox.c index 611945611bf8..1dcfb288ee63 100644 --- a/scripts/kconfig/lxdialog/inputbox.c +++ b/scripts/kconfig/lxdialog/inputbox.c @@ -113,7 +113,8 @@ do_resize: case KEY_DOWN: break; case KEY_BACKSPACE: - case 127: + case 8: /* ^H */ + case 127: /* ^? */ if (pos) { wattrset(dialog, dlg.inputbox.atr); if (input_x == 0) { diff --git a/scripts/kconfig/nconf.c b/scripts/kconfig/nconf.c index a4670f4e825a..ac92c0ded6c5 100644 --- a/scripts/kconfig/nconf.c +++ b/scripts/kconfig/nconf.c @@ -1048,7 +1048,7 @@ static int do_match(int key, struct match_state *state, int *ans) state->match_direction = FIND_NEXT_MATCH_UP; *ans = get_mext_match(state->pattern, state->match_direction); - } else if (key == KEY_BACKSPACE || key == 127) { + } else if (key == KEY_BACKSPACE || key == 8 || key == 127) { state->pattern[strlen(state->pattern)-1] = '\0'; adj_match_dir(&state->match_direction); } else diff --git a/scripts/kconfig/nconf.gui.c b/scripts/kconfig/nconf.gui.c index 7be620a1fcdb..77f525a8617c 100644 --- a/scripts/kconfig/nconf.gui.c +++ b/scripts/kconfig/nconf.gui.c @@ -439,7 +439,8 @@ int dialog_inputbox(WINDOW *main_window, case KEY_F(F_EXIT): case KEY_F(F_BACK): break; - case 127: + case 8: /* ^H */ + case 127: /* ^? */ case KEY_BACKSPACE: if (cursor_position > 0) { memmove(&result[cursor_position-1], diff --git a/scripts/mod/modpost.c b/scripts/mod/modpost.c index 0b0d1080b1c5..f277e116e0eb 100644 --- a/scripts/mod/modpost.c +++ b/scripts/mod/modpost.c @@ -639,7 +639,7 @@ static void handle_modversions(struct module *mod, struct elf_info *info, info->sechdrs[sym->st_shndx].sh_offset - (info->hdr->e_type != ET_REL ? info->sechdrs[sym->st_shndx].sh_addr : 0); - crc = *crcp; + crc = TO_NATIVE(*crcp); } sym_update_crc(symname + strlen("__crc_"), mod, crc, export); diff --git a/security/Kconfig b/security/Kconfig index 1d6463fb1450..353cfef71d4e 100644 --- a/security/Kconfig +++ b/security/Kconfig @@ -239,8 +239,46 @@ source "security/safesetid/Kconfig" source "security/integrity/Kconfig" +choice + prompt "First legacy 'major LSM' to be initialized" + default DEFAULT_SECURITY_SELINUX if SECURITY_SELINUX + default DEFAULT_SECURITY_SMACK if SECURITY_SMACK + default DEFAULT_SECURITY_TOMOYO if SECURITY_TOMOYO + default DEFAULT_SECURITY_APPARMOR if SECURITY_APPARMOR + default DEFAULT_SECURITY_DAC + + help + This choice is there only for converting CONFIG_DEFAULT_SECURITY + in old kernel configs to CONFIG_LSM in new kernel configs. Don't + change this choice unless you are creating a fresh kernel config, + for this choice will be ignored after CONFIG_LSM has been set. + + Selects the legacy "major security module" that will be + initialized first. Overridden by non-default CONFIG_LSM. + + config DEFAULT_SECURITY_SELINUX + bool "SELinux" if SECURITY_SELINUX=y + + config DEFAULT_SECURITY_SMACK + bool "Simplified Mandatory Access Control" if SECURITY_SMACK=y + + config DEFAULT_SECURITY_TOMOYO + bool "TOMOYO" if SECURITY_TOMOYO=y + + config DEFAULT_SECURITY_APPARMOR + bool "AppArmor" if SECURITY_APPARMOR=y + + config DEFAULT_SECURITY_DAC + bool "Unix Discretionary Access Controls" + +endchoice + config LSM string "Ordered list of enabled LSMs" + default "yama,loadpin,safesetid,integrity,smack,selinux,tomoyo,apparmor" if DEFAULT_SECURITY_SMACK + default "yama,loadpin,safesetid,integrity,apparmor,selinux,smack,tomoyo" if DEFAULT_SECURITY_APPARMOR + default "yama,loadpin,safesetid,integrity,tomoyo" if DEFAULT_SECURITY_TOMOYO + default "yama,loadpin,safesetid,integrity" if DEFAULT_SECURITY_DAC default "yama,loadpin,safesetid,integrity,selinux,smack,tomoyo,apparmor" help A comma-separated list of LSMs, in initialization order. diff --git a/security/selinux/ss/policydb.c b/security/selinux/ss/policydb.c index 6b576e588725..daecdfb15a9c 100644 --- a/security/selinux/ss/policydb.c +++ b/security/selinux/ss/policydb.c @@ -828,9 +828,11 @@ void policydb_destroy(struct policydb *p) hashtab_map(p->range_tr, range_tr_destroy, NULL); hashtab_destroy(p->range_tr); - for (i = 0; i < p->p_types.nprim; i++) - ebitmap_destroy(&p->type_attr_map_array[i]); - kvfree(p->type_attr_map_array); + if (p->type_attr_map_array) { + for (i = 0; i < p->p_types.nprim; i++) + ebitmap_destroy(&p->type_attr_map_array[i]); + kvfree(p->type_attr_map_array); + } ebitmap_destroy(&p->filename_trans_ttypes); ebitmap_destroy(&p->policycaps); @@ -2496,10 +2498,13 @@ int policydb_read(struct policydb *p, void *fp) if (!p->type_attr_map_array) goto bad; + /* just in case ebitmap_init() becomes more than just a memset(0): */ + for (i = 0; i < p->p_types.nprim; i++) + ebitmap_init(&p->type_attr_map_array[i]); + for (i = 0; i < p->p_types.nprim; i++) { struct ebitmap *e = &p->type_attr_map_array[i]; - ebitmap_init(e); if (p->policyvers >= POLICYDB_VERSION_AVTAB) { rc = ebitmap_read(e, fp); if (rc) diff --git a/security/yama/yama_lsm.c b/security/yama/yama_lsm.c index 57cc60722dd3..efac68556b45 100644 --- a/security/yama/yama_lsm.c +++ b/security/yama/yama_lsm.c @@ -206,7 +206,7 @@ static void yama_ptracer_del(struct task_struct *tracer, * yama_task_free - check for task_pid to remove from exception list * @task: task being removed */ -void yama_task_free(struct task_struct *task) +static void yama_task_free(struct task_struct *task) { yama_ptracer_del(task, task); } @@ -222,7 +222,7 @@ void yama_task_free(struct task_struct *task) * Return 0 on success, -ve on error. -ENOSYS is returned when Yama * does not handle the given option. */ -int yama_task_prctl(int option, unsigned long arg2, unsigned long arg3, +static int yama_task_prctl(int option, unsigned long arg2, unsigned long arg3, unsigned long arg4, unsigned long arg5) { int rc = -ENOSYS; @@ -401,7 +401,7 @@ static int yama_ptrace_access_check(struct task_struct *child, * * Returns 0 if following the ptrace is allowed, -ve on error. */ -int yama_ptrace_traceme(struct task_struct *parent) +static int yama_ptrace_traceme(struct task_struct *parent) { int rc = 0; @@ -452,7 +452,7 @@ static int yama_dointvec_minmax(struct ctl_table *table, int write, static int zero; static int max_scope = YAMA_SCOPE_NO_ATTACH; -struct ctl_path yama_sysctl_path[] = { +static struct ctl_path yama_sysctl_path[] = { { .procname = "kernel", }, { .procname = "yama", }, { } diff --git a/sound/core/oss/pcm_oss.c b/sound/core/oss/pcm_oss.c index d5b0d7ba83c4..f6ae68017608 100644 --- a/sound/core/oss/pcm_oss.c +++ b/sound/core/oss/pcm_oss.c @@ -940,6 +940,28 @@ static int snd_pcm_oss_change_params_locked(struct snd_pcm_substream *substream) oss_frame_size = snd_pcm_format_physical_width(params_format(params)) * params_channels(params) / 8; + err = snd_pcm_oss_period_size(substream, params, sparams); + if (err < 0) + goto failure; + + n = snd_pcm_plug_slave_size(substream, runtime->oss.period_bytes / oss_frame_size); + err = snd_pcm_hw_param_near(substream, sparams, SNDRV_PCM_HW_PARAM_PERIOD_SIZE, n, NULL); + if (err < 0) + goto failure; + + err = snd_pcm_hw_param_near(substream, sparams, SNDRV_PCM_HW_PARAM_PERIODS, + runtime->oss.periods, NULL); + if (err < 0) + goto failure; + + snd_pcm_kernel_ioctl(substream, SNDRV_PCM_IOCTL_DROP, NULL); + + err = snd_pcm_kernel_ioctl(substream, SNDRV_PCM_IOCTL_HW_PARAMS, sparams); + if (err < 0) { + pcm_dbg(substream->pcm, "HW_PARAMS failed: %i\n", err); + goto failure; + } + #ifdef CONFIG_SND_PCM_OSS_PLUGINS snd_pcm_oss_plugin_clear(substream); if (!direct) { @@ -974,27 +996,6 @@ static int snd_pcm_oss_change_params_locked(struct snd_pcm_substream *substream) } #endif - err = snd_pcm_oss_period_size(substream, params, sparams); - if (err < 0) - goto failure; - - n = snd_pcm_plug_slave_size(substream, runtime->oss.period_bytes / oss_frame_size); - err = snd_pcm_hw_param_near(substream, sparams, SNDRV_PCM_HW_PARAM_PERIOD_SIZE, n, NULL); - if (err < 0) - goto failure; - - err = snd_pcm_hw_param_near(substream, sparams, SNDRV_PCM_HW_PARAM_PERIODS, - runtime->oss.periods, NULL); - if (err < 0) - goto failure; - - snd_pcm_kernel_ioctl(substream, SNDRV_PCM_IOCTL_DROP, NULL); - - if ((err = snd_pcm_kernel_ioctl(substream, SNDRV_PCM_IOCTL_HW_PARAMS, sparams)) < 0) { - pcm_dbg(substream->pcm, "HW_PARAMS failed: %i\n", err); - goto failure; - } - if (runtime->oss.trigger) { sw_params->start_threshold = 1; } else { diff --git a/sound/core/pcm_native.c b/sound/core/pcm_native.c index f731f904e8cc..1d8452912b14 100644 --- a/sound/core/pcm_native.c +++ b/sound/core/pcm_native.c @@ -1445,8 +1445,15 @@ static int snd_pcm_pause(struct snd_pcm_substream *substream, int push) static int snd_pcm_pre_suspend(struct snd_pcm_substream *substream, int state) { struct snd_pcm_runtime *runtime = substream->runtime; - if (runtime->status->state == SNDRV_PCM_STATE_SUSPENDED) + switch (runtime->status->state) { + case SNDRV_PCM_STATE_SUSPENDED: return -EBUSY; + /* unresumable PCM state; return -EBUSY for skipping suspend */ + case SNDRV_PCM_STATE_OPEN: + case SNDRV_PCM_STATE_SETUP: + case SNDRV_PCM_STATE_DISCONNECTED: + return -EBUSY; + } runtime->trigger_master = substream; return 0; } diff --git a/sound/core/rawmidi.c b/sound/core/rawmidi.c index ee601d7f0926..c0690d1ecd55 100644 --- a/sound/core/rawmidi.c +++ b/sound/core/rawmidi.c @@ -30,6 +30,7 @@ #include <linux/module.h> #include <linux/delay.h> #include <linux/mm.h> +#include <linux/nospec.h> #include <sound/rawmidi.h> #include <sound/info.h> #include <sound/control.h> @@ -601,6 +602,7 @@ static int __snd_rawmidi_info_select(struct snd_card *card, return -ENXIO; if (info->stream < 0 || info->stream > 1) return -EINVAL; + info->stream = array_index_nospec(info->stream, 2); pstr = &rmidi->streams[info->stream]; if (pstr->substream_count == 0) return -ENOENT; diff --git a/sound/core/seq/oss/seq_oss_synth.c b/sound/core/seq/oss/seq_oss_synth.c index 278ebb993122..c93945917235 100644 --- a/sound/core/seq/oss/seq_oss_synth.c +++ b/sound/core/seq/oss/seq_oss_synth.c @@ -617,13 +617,14 @@ int snd_seq_oss_synth_make_info(struct seq_oss_devinfo *dp, int dev, struct synth_info *inf) { struct seq_oss_synth *rec; + struct seq_oss_synthinfo *info = get_synthinfo_nospec(dp, dev); - if (dev < 0 || dev >= dp->max_synthdev) + if (!info) return -ENXIO; - if (dp->synths[dev].is_midi) { + if (info->is_midi) { struct midi_info minf; - snd_seq_oss_midi_make_info(dp, dp->synths[dev].midi_mapped, &minf); + snd_seq_oss_midi_make_info(dp, info->midi_mapped, &minf); inf->synth_type = SYNTH_TYPE_MIDI; inf->synth_subtype = 0; inf->nr_voices = 16; diff --git a/sound/drivers/opl3/opl3_voice.h b/sound/drivers/opl3/opl3_voice.h index 5b02bd49fde4..4e4ecc21760b 100644 --- a/sound/drivers/opl3/opl3_voice.h +++ b/sound/drivers/opl3/opl3_voice.h @@ -41,7 +41,7 @@ void snd_opl3_timer_func(struct timer_list *t); /* Prototypes for opl3_drums.c */ void snd_opl3_load_drums(struct snd_opl3 *opl3); -void snd_opl3_drum_switch(struct snd_opl3 *opl3, int note, int on_off, int vel, struct snd_midi_channel *chan); +void snd_opl3_drum_switch(struct snd_opl3 *opl3, int note, int vel, int on_off, struct snd_midi_channel *chan); /* Prototypes for opl3_oss.c */ #if IS_ENABLED(CONFIG_SND_SEQUENCER_OSS) diff --git a/sound/firewire/motu/motu.c b/sound/firewire/motu/motu.c index 220e61926ea4..513291ba0ab0 100644 --- a/sound/firewire/motu/motu.c +++ b/sound/firewire/motu/motu.c @@ -36,7 +36,7 @@ static void name_card(struct snd_motu *motu) fw_csr_iterator_init(&it, motu->unit->directory); while (fw_csr_iterator_next(&it, &key, &val)) { switch (key) { - case CSR_VERSION: + case CSR_MODEL: version = val; break; } @@ -46,7 +46,7 @@ static void name_card(struct snd_motu *motu) strcpy(motu->card->shortname, motu->spec->name); strcpy(motu->card->mixername, motu->spec->name); snprintf(motu->card->longname, sizeof(motu->card->longname), - "MOTU %s (version:%d), GUID %08x%08x at %s, S%d", + "MOTU %s (version:%06x), GUID %08x%08x at %s, S%d", motu->spec->name, version, fw_dev->config_rom[3], fw_dev->config_rom[4], dev_name(&motu->unit->device), 100 << fw_dev->max_speed); @@ -237,20 +237,20 @@ static const struct snd_motu_spec motu_audio_express = { #define SND_MOTU_DEV_ENTRY(model, data) \ { \ .match_flags = IEEE1394_MATCH_VENDOR_ID | \ - IEEE1394_MATCH_MODEL_ID | \ - IEEE1394_MATCH_SPECIFIER_ID, \ + IEEE1394_MATCH_SPECIFIER_ID | \ + IEEE1394_MATCH_VERSION, \ .vendor_id = OUI_MOTU, \ - .model_id = model, \ .specifier_id = OUI_MOTU, \ + .version = model, \ .driver_data = (kernel_ulong_t)data, \ } static const struct ieee1394_device_id motu_id_table[] = { - SND_MOTU_DEV_ENTRY(0x101800, &motu_828mk2), - SND_MOTU_DEV_ENTRY(0x107800, &snd_motu_spec_traveler), - SND_MOTU_DEV_ENTRY(0x106800, &motu_828mk3), /* FireWire only. */ - SND_MOTU_DEV_ENTRY(0x100800, &motu_828mk3), /* Hybrid. */ - SND_MOTU_DEV_ENTRY(0x104800, &motu_audio_express), + SND_MOTU_DEV_ENTRY(0x000003, &motu_828mk2), + SND_MOTU_DEV_ENTRY(0x000009, &snd_motu_spec_traveler), + SND_MOTU_DEV_ENTRY(0x000015, &motu_828mk3), /* FireWire only. */ + SND_MOTU_DEV_ENTRY(0x000035, &motu_828mk3), /* Hybrid. */ + SND_MOTU_DEV_ENTRY(0x000033, &motu_audio_express), { } }; MODULE_DEVICE_TABLE(ieee1394, motu_id_table); diff --git a/sound/isa/sb/sb8.c b/sound/isa/sb/sb8.c index aa2a83eb81a9..dc27a480c2d9 100644 --- a/sound/isa/sb/sb8.c +++ b/sound/isa/sb/sb8.c @@ -111,6 +111,10 @@ static int snd_sb8_probe(struct device *pdev, unsigned int dev) /* block the 0x388 port to avoid PnP conflicts */ acard->fm_res = request_region(0x388, 4, "SoundBlaster FM"); + if (!acard->fm_res) { + err = -EBUSY; + goto _err; + } if (port[dev] != SNDRV_AUTO_PORT) { if ((err = snd_sbdsp_create(card, port[dev], irq[dev], diff --git a/sound/pci/echoaudio/echoaudio.c b/sound/pci/echoaudio/echoaudio.c index ea876b0b02b9..dc0084dc8550 100644 --- a/sound/pci/echoaudio/echoaudio.c +++ b/sound/pci/echoaudio/echoaudio.c @@ -1952,6 +1952,11 @@ static int snd_echo_create(struct snd_card *card, } chip->dsp_registers = (volatile u32 __iomem *) ioremap_nocache(chip->dsp_registers_phys, sz); + if (!chip->dsp_registers) { + dev_err(chip->card->dev, "ioremap failed\n"); + snd_echo_free(chip); + return -ENOMEM; + } if (request_irq(pci->irq, snd_echo_interrupt, IRQF_SHARED, KBUILD_MODNAME, chip)) { diff --git a/sound/pci/hda/hda_codec.c b/sound/pci/hda/hda_codec.c index 5f2005098a60..ec0b8595eb4d 100644 --- a/sound/pci/hda/hda_codec.c +++ b/sound/pci/hda/hda_codec.c @@ -2939,6 +2939,20 @@ static int hda_codec_runtime_resume(struct device *dev) #endif /* CONFIG_PM */ #ifdef CONFIG_PM_SLEEP +static int hda_codec_force_resume(struct device *dev) +{ + int ret; + + /* The get/put pair below enforces the runtime resume even if the + * device hasn't been used at suspend time. This trick is needed to + * update the jack state change during the sleep. + */ + pm_runtime_get_noresume(dev); + ret = pm_runtime_force_resume(dev); + pm_runtime_put(dev); + return ret; +} + static int hda_codec_pm_suspend(struct device *dev) { dev->power.power_state = PMSG_SUSPEND; @@ -2948,7 +2962,7 @@ static int hda_codec_pm_suspend(struct device *dev) static int hda_codec_pm_resume(struct device *dev) { dev->power.power_state = PMSG_RESUME; - return pm_runtime_force_resume(dev); + return hda_codec_force_resume(dev); } static int hda_codec_pm_freeze(struct device *dev) @@ -2960,13 +2974,13 @@ static int hda_codec_pm_freeze(struct device *dev) static int hda_codec_pm_thaw(struct device *dev) { dev->power.power_state = PMSG_THAW; - return pm_runtime_force_resume(dev); + return hda_codec_force_resume(dev); } static int hda_codec_pm_restore(struct device *dev) { dev->power.power_state = PMSG_RESTORE; - return pm_runtime_force_resume(dev); + return hda_codec_force_resume(dev); } #endif /* CONFIG_PM_SLEEP */ diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c index e5c49003e75f..ece256a3b48f 100644 --- a/sound/pci/hda/hda_intel.c +++ b/sound/pci/hda/hda_intel.c @@ -947,7 +947,7 @@ static void __azx_runtime_suspend(struct azx *chip) display_power(chip, false); } -static void __azx_runtime_resume(struct azx *chip) +static void __azx_runtime_resume(struct azx *chip, bool from_rt) { struct hda_intel *hda = container_of(chip, struct hda_intel, chip); struct hdac_bus *bus = azx_bus(chip); @@ -964,7 +964,7 @@ static void __azx_runtime_resume(struct azx *chip) azx_init_pci(chip); hda_intel_init_chip(chip, true); - if (status) { + if (status && from_rt) { list_for_each_codec(codec, &chip->bus) if (status & (1 << codec->addr)) schedule_delayed_work(&codec->jackpoll_work, @@ -1016,7 +1016,7 @@ static int azx_resume(struct device *dev) chip->msi = 0; if (azx_acquire_irq(chip, 1) < 0) return -EIO; - __azx_runtime_resume(chip); + __azx_runtime_resume(chip, false); snd_power_change_state(card, SNDRV_CTL_POWER_D0); trace_azx_resume(chip); @@ -1081,7 +1081,7 @@ static int azx_runtime_resume(struct device *dev) chip = card->private_data; if (!azx_has_pm_runtime(chip)) return 0; - __azx_runtime_resume(chip); + __azx_runtime_resume(chip, true); /* disable controller Wake Up event*/ azx_writew(chip, WAKEEN, azx_readw(chip, WAKEEN) & @@ -2144,10 +2144,12 @@ static struct snd_pci_quirk power_save_blacklist[] = { SND_PCI_QUIRK(0x8086, 0x2057, "Intel NUC5i7RYB", 0), /* https://bugzilla.redhat.com/show_bug.cgi?id=1520902 */ SND_PCI_QUIRK(0x8086, 0x2068, "Intel NUC7i3BNB", 0), - /* https://bugzilla.redhat.com/show_bug.cgi?id=1572975 */ - SND_PCI_QUIRK(0x17aa, 0x36a7, "Lenovo C50 All in one", 0), /* https://bugzilla.kernel.org/show_bug.cgi?id=198611 */ SND_PCI_QUIRK(0x17aa, 0x2227, "Lenovo X1 Carbon 3rd Gen", 0), + /* https://bugzilla.redhat.com/show_bug.cgi?id=1689623 */ + SND_PCI_QUIRK(0x17aa, 0x367b, "Lenovo IdeaCentre B550", 0), + /* https://bugzilla.redhat.com/show_bug.cgi?id=1572975 */ + SND_PCI_QUIRK(0x17aa, 0x36a7, "Lenovo C50 All in one", 0), {} }; #endif /* CONFIG_PM */ diff --git a/sound/pci/hda/patch_ca0132.c b/sound/pci/hda/patch_ca0132.c index 29882bda7632..e1ebc6d5f382 100644 --- a/sound/pci/hda/patch_ca0132.c +++ b/sound/pci/hda/patch_ca0132.c @@ -1005,7 +1005,6 @@ struct ca0132_spec { unsigned int scp_resp_header; unsigned int scp_resp_data[4]; unsigned int scp_resp_count; - bool alt_firmware_present; bool startup_check_entered; bool dsp_reload; @@ -7518,7 +7517,7 @@ static bool ca0132_download_dsp_images(struct hda_codec *codec) bool dsp_loaded = false; struct ca0132_spec *spec = codec->spec; const struct dsp_image_seg *dsp_os_image; - const struct firmware *fw_entry; + const struct firmware *fw_entry = NULL; /* * Alternate firmwares for different variants. The Recon3Di apparently * can use the default firmware, but I'll leave the option in case @@ -7529,33 +7528,26 @@ static bool ca0132_download_dsp_images(struct hda_codec *codec) case QUIRK_R3D: case QUIRK_AE5: if (request_firmware(&fw_entry, DESKTOP_EFX_FILE, - codec->card->dev) != 0) { + codec->card->dev) != 0) codec_dbg(codec, "Desktop firmware not found."); - spec->alt_firmware_present = false; - } else { + else codec_dbg(codec, "Desktop firmware selected."); - spec->alt_firmware_present = true; - } break; case QUIRK_R3DI: if (request_firmware(&fw_entry, R3DI_EFX_FILE, - codec->card->dev) != 0) { + codec->card->dev) != 0) codec_dbg(codec, "Recon3Di alt firmware not detected."); - spec->alt_firmware_present = false; - } else { + else codec_dbg(codec, "Recon3Di firmware selected."); - spec->alt_firmware_present = true; - } break; default: - spec->alt_firmware_present = false; break; } /* * Use default ctefx.bin if no alt firmware is detected, or if none * exists for your particular codec. */ - if (!spec->alt_firmware_present) { + if (!fw_entry) { codec_dbg(codec, "Default firmware selected."); if (request_firmware(&fw_entry, EFX_FILE, codec->card->dev) != 0) diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c index 384719d5c44e..a3fb3d4c5730 100644 --- a/sound/pci/hda/patch_realtek.c +++ b/sound/pci/hda/patch_realtek.c @@ -5687,6 +5687,9 @@ enum { ALC225_FIXUP_DELL_WYSE_AIO_MIC_NO_PRESENCE, ALC225_FIXUP_WYSE_AUTO_MUTE, ALC225_FIXUP_WYSE_DISABLE_MIC_VREF, + ALC286_FIXUP_ACER_AIO_HEADSET_MIC, + ALC256_FIXUP_ASUS_MIC_NO_PRESENCE, + ALC299_FIXUP_PREDATOR_SPK, }; static const struct hda_fixup alc269_fixups[] = { @@ -6685,6 +6688,32 @@ static const struct hda_fixup alc269_fixups[] = { .chained = true, .chain_id = ALC269_FIXUP_HEADSET_MODE_NO_HP_MIC }, + [ALC286_FIXUP_ACER_AIO_HEADSET_MIC] = { + .type = HDA_FIXUP_VERBS, + .v.verbs = (const struct hda_verb[]) { + { 0x20, AC_VERB_SET_COEF_INDEX, 0x4f }, + { 0x20, AC_VERB_SET_PROC_COEF, 0x5029 }, + { } + }, + .chained = true, + .chain_id = ALC286_FIXUP_ACER_AIO_MIC_NO_PRESENCE + }, + [ALC256_FIXUP_ASUS_MIC_NO_PRESENCE] = { + .type = HDA_FIXUP_PINS, + .v.pins = (const struct hda_pintbl[]) { + { 0x19, 0x04a11120 }, /* use as headset mic, without its own jack detect */ + { } + }, + .chained = true, + .chain_id = ALC256_FIXUP_ASUS_HEADSET_MODE + }, + [ALC299_FIXUP_PREDATOR_SPK] = { + .type = HDA_FIXUP_PINS, + .v.pins = (const struct hda_pintbl[]) { + { 0x21, 0x90170150 }, /* use as headset mic, without its own jack detect */ + { } + } + }, }; static const struct snd_pci_quirk alc269_fixup_tbl[] = { @@ -6701,9 +6730,13 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = { SND_PCI_QUIRK(0x1025, 0x079b, "Acer Aspire V5-573G", ALC282_FIXUP_ASPIRE_V5_PINS), SND_PCI_QUIRK(0x1025, 0x102b, "Acer Aspire C24-860", ALC286_FIXUP_ACER_AIO_MIC_NO_PRESENCE), SND_PCI_QUIRK(0x1025, 0x106d, "Acer Cloudbook 14", ALC283_FIXUP_CHROME_BOOK), - SND_PCI_QUIRK(0x1025, 0x128f, "Acer Veriton Z6860G", ALC286_FIXUP_ACER_AIO_MIC_NO_PRESENCE), - SND_PCI_QUIRK(0x1025, 0x1290, "Acer Veriton Z4860G", ALC286_FIXUP_ACER_AIO_MIC_NO_PRESENCE), - SND_PCI_QUIRK(0x1025, 0x1291, "Acer Veriton Z4660G", ALC286_FIXUP_ACER_AIO_MIC_NO_PRESENCE), + SND_PCI_QUIRK(0x1025, 0x1099, "Acer Aspire E5-523G", ALC255_FIXUP_ACER_MIC_NO_PRESENCE), + SND_PCI_QUIRK(0x1025, 0x110e, "Acer Aspire ES1-432", ALC255_FIXUP_ACER_MIC_NO_PRESENCE), + SND_PCI_QUIRK(0x1025, 0x1246, "Acer Predator Helios 500", ALC299_FIXUP_PREDATOR_SPK), + SND_PCI_QUIRK(0x1025, 0x128f, "Acer Veriton Z6860G", ALC286_FIXUP_ACER_AIO_HEADSET_MIC), + SND_PCI_QUIRK(0x1025, 0x1290, "Acer Veriton Z4860G", ALC286_FIXUP_ACER_AIO_HEADSET_MIC), + SND_PCI_QUIRK(0x1025, 0x1291, "Acer Veriton Z4660G", ALC286_FIXUP_ACER_AIO_HEADSET_MIC), + SND_PCI_QUIRK(0x1025, 0x1308, "Acer Aspire Z24-890", ALC286_FIXUP_ACER_AIO_HEADSET_MIC), SND_PCI_QUIRK(0x1025, 0x1330, "Acer TravelMate X514-51T", ALC255_FIXUP_ACER_HEADSET_MIC), SND_PCI_QUIRK(0x1028, 0x0470, "Dell M101z", ALC269_FIXUP_DELL_M101Z), SND_PCI_QUIRK(0x1028, 0x054b, "Dell XPS one 2710", ALC275_FIXUP_DELL_XPS), @@ -7100,6 +7133,7 @@ static const struct hda_model_fixup alc269_fixup_models[] = { {.id = ALC255_FIXUP_DELL_HEADSET_MIC, .name = "alc255-dell-headset"}, {.id = ALC295_FIXUP_HP_X360, .name = "alc295-hp-x360"}, {.id = ALC295_FIXUP_CHROME_BOOK, .name = "alc-sense-combo"}, + {.id = ALC299_FIXUP_PREDATOR_SPK, .name = "predator-spk"}, {} }; #define ALC225_STANDARD_PINS \ @@ -7320,6 +7354,18 @@ static const struct snd_hda_pin_quirk alc269_pin_fixup_tbl[] = { {0x14, 0x90170110}, {0x1b, 0x90a70130}, {0x21, 0x03211020}), + SND_HDA_PIN_QUIRK(0x10ec0256, 0x1043, "ASUS", ALC256_FIXUP_ASUS_MIC_NO_PRESENCE, + {0x12, 0x90a60130}, + {0x14, 0x90170110}, + {0x21, 0x03211020}), + SND_HDA_PIN_QUIRK(0x10ec0256, 0x1043, "ASUS", ALC256_FIXUP_ASUS_MIC_NO_PRESENCE, + {0x12, 0x90a60130}, + {0x14, 0x90170110}, + {0x21, 0x04211020}), + SND_HDA_PIN_QUIRK(0x10ec0256, 0x1043, "ASUS", ALC256_FIXUP_ASUS_MIC_NO_PRESENCE, + {0x1a, 0x90a70130}, + {0x1b, 0x90170110}, + {0x21, 0x03211020}), SND_HDA_PIN_QUIRK(0x10ec0274, 0x1028, "Dell", ALC274_FIXUP_DELL_AIO_LINEOUT_VERB, {0x12, 0xb7a60130}, {0x13, 0xb8a61140}, diff --git a/tools/arch/alpha/include/uapi/asm/mman.h b/tools/arch/alpha/include/uapi/asm/mman.h index c317d3e6867a..ea6a255ae61f 100644 --- a/tools/arch/alpha/include/uapi/asm/mman.h +++ b/tools/arch/alpha/include/uapi/asm/mman.h @@ -27,8 +27,6 @@ #define MAP_NONBLOCK 0x40000 #define MAP_NORESERVE 0x10000 #define MAP_POPULATE 0x20000 -#define MAP_PRIVATE 0x02 -#define MAP_SHARED 0x01 #define MAP_STACK 0x80000 #define PROT_EXEC 0x4 #define PROT_GROWSDOWN 0x01000000 diff --git a/tools/arch/arm64/include/uapi/asm/unistd.h b/tools/arch/arm64/include/uapi/asm/unistd.h index dae1584cf017..4703d218663a 100644 --- a/tools/arch/arm64/include/uapi/asm/unistd.h +++ b/tools/arch/arm64/include/uapi/asm/unistd.h @@ -17,5 +17,7 @@ #define __ARCH_WANT_RENAMEAT #define __ARCH_WANT_NEW_STAT +#define __ARCH_WANT_SET_GET_RLIMIT +#define __ARCH_WANT_TIME32_SYSCALLS #include <asm-generic/unistd.h> diff --git a/tools/arch/mips/include/uapi/asm/mman.h b/tools/arch/mips/include/uapi/asm/mman.h index de2206883abc..c8acaa138d46 100644 --- a/tools/arch/mips/include/uapi/asm/mman.h +++ b/tools/arch/mips/include/uapi/asm/mman.h @@ -28,8 +28,6 @@ #define MAP_NONBLOCK 0x20000 #define MAP_NORESERVE 0x0400 #define MAP_POPULATE 0x10000 -#define MAP_PRIVATE 0x002 -#define MAP_SHARED 0x001 #define MAP_STACK 0x40000 #define PROT_EXEC 0x04 #define PROT_GROWSDOWN 0x01000000 diff --git a/tools/arch/parisc/include/uapi/asm/mman.h b/tools/arch/parisc/include/uapi/asm/mman.h index 1bd78758bde9..f9fd1325f5bd 100644 --- a/tools/arch/parisc/include/uapi/asm/mman.h +++ b/tools/arch/parisc/include/uapi/asm/mman.h @@ -27,8 +27,6 @@ #define MAP_NONBLOCK 0x20000 #define MAP_NORESERVE 0x4000 #define MAP_POPULATE 0x10000 -#define MAP_PRIVATE 0x02 -#define MAP_SHARED 0x01 #define MAP_STACK 0x40000 #define PROT_EXEC 0x4 #define PROT_GROWSDOWN 0x01000000 diff --git a/tools/arch/powerpc/include/uapi/asm/kvm.h b/tools/arch/powerpc/include/uapi/asm/kvm.h index 8c876c166ef2..26ca425f4c2c 100644 --- a/tools/arch/powerpc/include/uapi/asm/kvm.h +++ b/tools/arch/powerpc/include/uapi/asm/kvm.h @@ -463,10 +463,12 @@ struct kvm_ppc_cpu_char { #define KVM_PPC_CPU_CHAR_BR_HINT_HONOURED (1ULL << 58) #define KVM_PPC_CPU_CHAR_MTTRIG_THR_RECONF (1ULL << 57) #define KVM_PPC_CPU_CHAR_COUNT_CACHE_DIS (1ULL << 56) +#define KVM_PPC_CPU_CHAR_BCCTR_FLUSH_ASSIST (1ull << 54) #define KVM_PPC_CPU_BEHAV_FAVOUR_SECURITY (1ULL << 63) #define KVM_PPC_CPU_BEHAV_L1D_FLUSH_PR (1ULL << 62) #define KVM_PPC_CPU_BEHAV_BNDS_CHK_SPEC_BAR (1ULL << 61) +#define KVM_PPC_CPU_BEHAV_FLUSH_COUNT_CACHE (1ull << 58) /* Per-vcpu XICS interrupt controller state */ #define KVM_REG_PPC_ICP_STATE (KVM_REG_PPC | KVM_REG_SIZE_U64 | 0x8c) diff --git a/tools/arch/x86/include/asm/cpufeatures.h b/tools/arch/x86/include/asm/cpufeatures.h index 6d6122524711..981ff9479648 100644 --- a/tools/arch/x86/include/asm/cpufeatures.h +++ b/tools/arch/x86/include/asm/cpufeatures.h @@ -344,6 +344,7 @@ /* Intel-defined CPU features, CPUID level 0x00000007:0 (EDX), word 18 */ #define X86_FEATURE_AVX512_4VNNIW (18*32+ 2) /* AVX-512 Neural Network Instructions */ #define X86_FEATURE_AVX512_4FMAPS (18*32+ 3) /* AVX-512 Multiply Accumulation Single precision */ +#define X86_FEATURE_TSX_FORCE_ABORT (18*32+13) /* "" TSX_FORCE_ABORT */ #define X86_FEATURE_PCONFIG (18*32+18) /* Intel PCONFIG */ #define X86_FEATURE_SPEC_CTRL (18*32+26) /* "" Speculation Control (IBRS + IBPB) */ #define X86_FEATURE_INTEL_STIBP (18*32+27) /* "" Single Thread Indirect Branch Predictors */ diff --git a/tools/arch/xtensa/include/uapi/asm/mman.h b/tools/arch/xtensa/include/uapi/asm/mman.h index 34dde6f44dae..f2b08c990afc 100644 --- a/tools/arch/xtensa/include/uapi/asm/mman.h +++ b/tools/arch/xtensa/include/uapi/asm/mman.h @@ -27,8 +27,6 @@ #define MAP_NONBLOCK 0x20000 #define MAP_NORESERVE 0x0400 #define MAP_POPULATE 0x10000 -#define MAP_PRIVATE 0x002 -#define MAP_SHARED 0x001 #define MAP_STACK 0x40000 #define PROT_EXEC 0x4 #define PROT_GROWSDOWN 0x01000000 diff --git a/tools/bpf/bpftool/prog.c b/tools/bpf/bpftool/prog.c index 8ef80d65a474..d2be5a06c339 100644 --- a/tools/bpf/bpftool/prog.c +++ b/tools/bpf/bpftool/prog.c @@ -401,41 +401,31 @@ static int do_show(int argc, char **argv) static int do_dump(int argc, char **argv) { - unsigned int finfo_rec_size, linfo_rec_size, jited_linfo_rec_size; - void *func_info = NULL, *linfo = NULL, *jited_linfo = NULL; - unsigned int nr_finfo, nr_linfo = 0, nr_jited_linfo = 0; + struct bpf_prog_info_linear *info_linear; struct bpf_prog_linfo *prog_linfo = NULL; - unsigned long *func_ksyms = NULL; - struct bpf_prog_info info = {}; - unsigned int *func_lens = NULL; + enum {DUMP_JITED, DUMP_XLATED} mode; const char *disasm_opt = NULL; - unsigned int nr_func_ksyms; - unsigned int nr_func_lens; + struct bpf_prog_info *info; struct dump_data dd = {}; - __u32 len = sizeof(info); + void *func_info = NULL; struct btf *btf = NULL; - unsigned int buf_size; char *filepath = NULL; bool opcodes = false; bool visual = false; char func_sig[1024]; unsigned char *buf; bool linum = false; - __u32 *member_len; - __u64 *member_ptr; + __u32 member_len; + __u64 arrays; ssize_t n; - int err; int fd; if (is_prefix(*argv, "jited")) { if (disasm_init()) return -1; - - member_len = &info.jited_prog_len; - member_ptr = &info.jited_prog_insns; + mode = DUMP_JITED; } else if (is_prefix(*argv, "xlated")) { - member_len = &info.xlated_prog_len; - member_ptr = &info.xlated_prog_insns; + mode = DUMP_XLATED; } else { p_err("expected 'xlated' or 'jited', got: %s", *argv); return -1; @@ -474,175 +464,50 @@ static int do_dump(int argc, char **argv) return -1; } - err = bpf_obj_get_info_by_fd(fd, &info, &len); - if (err) { - p_err("can't get prog info: %s", strerror(errno)); - return -1; - } - - if (!*member_len) { - p_info("no instructions returned"); - close(fd); - return 0; - } + if (mode == DUMP_JITED) + arrays = 1UL << BPF_PROG_INFO_JITED_INSNS; + else + arrays = 1UL << BPF_PROG_INFO_XLATED_INSNS; - buf_size = *member_len; + arrays |= 1UL << BPF_PROG_INFO_JITED_KSYMS; + arrays |= 1UL << BPF_PROG_INFO_JITED_FUNC_LENS; + arrays |= 1UL << BPF_PROG_INFO_FUNC_INFO; + arrays |= 1UL << BPF_PROG_INFO_LINE_INFO; + arrays |= 1UL << BPF_PROG_INFO_JITED_LINE_INFO; - buf = malloc(buf_size); - if (!buf) { - p_err("mem alloc failed"); - close(fd); + info_linear = bpf_program__get_prog_info_linear(fd, arrays); + close(fd); + if (IS_ERR_OR_NULL(info_linear)) { + p_err("can't get prog info: %s", strerror(errno)); return -1; } - nr_func_ksyms = info.nr_jited_ksyms; - if (nr_func_ksyms) { - func_ksyms = malloc(nr_func_ksyms * sizeof(__u64)); - if (!func_ksyms) { - p_err("mem alloc failed"); - close(fd); - goto err_free; - } - } - - nr_func_lens = info.nr_jited_func_lens; - if (nr_func_lens) { - func_lens = malloc(nr_func_lens * sizeof(__u32)); - if (!func_lens) { - p_err("mem alloc failed"); - close(fd); + info = &info_linear->info; + if (mode == DUMP_JITED) { + if (info->jited_prog_len == 0) { + p_info("no instructions returned"); goto err_free; } - } - - nr_finfo = info.nr_func_info; - finfo_rec_size = info.func_info_rec_size; - if (nr_finfo && finfo_rec_size) { - func_info = malloc(nr_finfo * finfo_rec_size); - if (!func_info) { - p_err("mem alloc failed"); - close(fd); + buf = (unsigned char *)(info->jited_prog_insns); + member_len = info->jited_prog_len; + } else { /* DUMP_XLATED */ + if (info->xlated_prog_len == 0) { + p_err("error retrieving insn dump: kernel.kptr_restrict set?"); goto err_free; } + buf = (unsigned char *)info->xlated_prog_insns; + member_len = info->xlated_prog_len; } - linfo_rec_size = info.line_info_rec_size; - if (info.nr_line_info && linfo_rec_size && info.btf_id) { - nr_linfo = info.nr_line_info; - linfo = malloc(nr_linfo * linfo_rec_size); - if (!linfo) { - p_err("mem alloc failed"); - close(fd); - goto err_free; - } - } - - jited_linfo_rec_size = info.jited_line_info_rec_size; - if (info.nr_jited_line_info && - jited_linfo_rec_size && - info.nr_jited_ksyms && - info.nr_jited_func_lens && - info.btf_id) { - nr_jited_linfo = info.nr_jited_line_info; - jited_linfo = malloc(nr_jited_linfo * jited_linfo_rec_size); - if (!jited_linfo) { - p_err("mem alloc failed"); - close(fd); - goto err_free; - } - } - - memset(&info, 0, sizeof(info)); - - *member_ptr = ptr_to_u64(buf); - *member_len = buf_size; - info.jited_ksyms = ptr_to_u64(func_ksyms); - info.nr_jited_ksyms = nr_func_ksyms; - info.jited_func_lens = ptr_to_u64(func_lens); - info.nr_jited_func_lens = nr_func_lens; - info.nr_func_info = nr_finfo; - info.func_info_rec_size = finfo_rec_size; - info.func_info = ptr_to_u64(func_info); - info.nr_line_info = nr_linfo; - info.line_info_rec_size = linfo_rec_size; - info.line_info = ptr_to_u64(linfo); - info.nr_jited_line_info = nr_jited_linfo; - info.jited_line_info_rec_size = jited_linfo_rec_size; - info.jited_line_info = ptr_to_u64(jited_linfo); - - err = bpf_obj_get_info_by_fd(fd, &info, &len); - close(fd); - if (err) { - p_err("can't get prog info: %s", strerror(errno)); - goto err_free; - } - - if (*member_len > buf_size) { - p_err("too many instructions returned"); - goto err_free; - } - - if (info.nr_jited_ksyms > nr_func_ksyms) { - p_err("too many addresses returned"); - goto err_free; - } - - if (info.nr_jited_func_lens > nr_func_lens) { - p_err("too many values returned"); - goto err_free; - } - - if (info.nr_func_info != nr_finfo) { - p_err("incorrect nr_func_info %d vs. expected %d", - info.nr_func_info, nr_finfo); - goto err_free; - } - - if (info.func_info_rec_size != finfo_rec_size) { - p_err("incorrect func_info_rec_size %d vs. expected %d", - info.func_info_rec_size, finfo_rec_size); - goto err_free; - } - - if (linfo && info.nr_line_info != nr_linfo) { - p_err("incorrect nr_line_info %u vs. expected %u", - info.nr_line_info, nr_linfo); - goto err_free; - } - - if (info.line_info_rec_size != linfo_rec_size) { - p_err("incorrect line_info_rec_size %u vs. expected %u", - info.line_info_rec_size, linfo_rec_size); - goto err_free; - } - - if (jited_linfo && info.nr_jited_line_info != nr_jited_linfo) { - p_err("incorrect nr_jited_line_info %u vs. expected %u", - info.nr_jited_line_info, nr_jited_linfo); - goto err_free; - } - - if (info.jited_line_info_rec_size != jited_linfo_rec_size) { - p_err("incorrect jited_line_info_rec_size %u vs. expected %u", - info.jited_line_info_rec_size, jited_linfo_rec_size); - goto err_free; - } - - if ((member_len == &info.jited_prog_len && - info.jited_prog_insns == 0) || - (member_len == &info.xlated_prog_len && - info.xlated_prog_insns == 0)) { - p_err("error retrieving insn dump: kernel.kptr_restrict set?"); - goto err_free; - } - - if (info.btf_id && btf__get_from_id(info.btf_id, &btf)) { + if (info->btf_id && btf__get_from_id(info->btf_id, &btf)) { p_err("failed to get btf"); goto err_free; } - if (nr_linfo) { - prog_linfo = bpf_prog_linfo__new(&info); + func_info = (void *)info->func_info; + + if (info->nr_line_info) { + prog_linfo = bpf_prog_linfo__new(info); if (!prog_linfo) p_info("error in processing bpf_line_info. continue without it."); } @@ -655,9 +520,9 @@ static int do_dump(int argc, char **argv) goto err_free; } - n = write(fd, buf, *member_len); + n = write(fd, buf, member_len); close(fd); - if (n != *member_len) { + if (n != member_len) { p_err("error writing output file: %s", n < 0 ? strerror(errno) : "short write"); goto err_free; @@ -665,19 +530,19 @@ static int do_dump(int argc, char **argv) if (json_output) jsonw_null(json_wtr); - } else if (member_len == &info.jited_prog_len) { + } else if (mode == DUMP_JITED) { const char *name = NULL; - if (info.ifindex) { - name = ifindex_to_bfd_params(info.ifindex, - info.netns_dev, - info.netns_ino, + if (info->ifindex) { + name = ifindex_to_bfd_params(info->ifindex, + info->netns_dev, + info->netns_ino, &disasm_opt); if (!name) goto err_free; } - if (info.nr_jited_func_lens && info.jited_func_lens) { + if (info->nr_jited_func_lens && info->jited_func_lens) { struct kernel_sym *sym = NULL; struct bpf_func_info *record; char sym_name[SYM_MAX_NAME]; @@ -685,17 +550,16 @@ static int do_dump(int argc, char **argv) __u64 *ksyms = NULL; __u32 *lens; __u32 i; - - if (info.nr_jited_ksyms) { + if (info->nr_jited_ksyms) { kernel_syms_load(&dd); - ksyms = (__u64 *) info.jited_ksyms; + ksyms = (__u64 *) info->jited_ksyms; } if (json_output) jsonw_start_array(json_wtr); - lens = (__u32 *) info.jited_func_lens; - for (i = 0; i < info.nr_jited_func_lens; i++) { + lens = (__u32 *) info->jited_func_lens; + for (i = 0; i < info->nr_jited_func_lens; i++) { if (ksyms) { sym = kernel_syms_search(&dd, ksyms[i]); if (sym) @@ -707,7 +571,7 @@ static int do_dump(int argc, char **argv) } if (func_info) { - record = func_info + i * finfo_rec_size; + record = func_info + i * info->func_info_rec_size; btf_dumper_type_only(btf, record->type_id, func_sig, sizeof(func_sig)); @@ -744,49 +608,37 @@ static int do_dump(int argc, char **argv) if (json_output) jsonw_end_array(json_wtr); } else { - disasm_print_insn(buf, *member_len, opcodes, name, + disasm_print_insn(buf, member_len, opcodes, name, disasm_opt, btf, NULL, 0, 0, false); } } else if (visual) { if (json_output) jsonw_null(json_wtr); else - dump_xlated_cfg(buf, *member_len); + dump_xlated_cfg(buf, member_len); } else { kernel_syms_load(&dd); - dd.nr_jited_ksyms = info.nr_jited_ksyms; - dd.jited_ksyms = (__u64 *) info.jited_ksyms; + dd.nr_jited_ksyms = info->nr_jited_ksyms; + dd.jited_ksyms = (__u64 *) info->jited_ksyms; dd.btf = btf; dd.func_info = func_info; - dd.finfo_rec_size = finfo_rec_size; + dd.finfo_rec_size = info->func_info_rec_size; dd.prog_linfo = prog_linfo; if (json_output) - dump_xlated_json(&dd, buf, *member_len, opcodes, + dump_xlated_json(&dd, buf, member_len, opcodes, linum); else - dump_xlated_plain(&dd, buf, *member_len, opcodes, + dump_xlated_plain(&dd, buf, member_len, opcodes, linum); kernel_syms_destroy(&dd); } - free(buf); - free(func_ksyms); - free(func_lens); - free(func_info); - free(linfo); - free(jited_linfo); - bpf_prog_linfo__free(prog_linfo); + free(info_linear); return 0; err_free: - free(buf); - free(func_ksyms); - free(func_lens); - free(func_info); - free(linfo); - free(jited_linfo); - bpf_prog_linfo__free(prog_linfo); + free(info_linear); return -1; } diff --git a/tools/build/Makefile.feature b/tools/build/Makefile.feature index 61e46d54a67c..8d3864b061f3 100644 --- a/tools/build/Makefile.feature +++ b/tools/build/Makefile.feature @@ -66,7 +66,8 @@ FEATURE_TESTS_BASIC := \ sched_getcpu \ sdt \ setns \ - libaio + libaio \ + disassembler-four-args # FEATURE_TESTS_BASIC + FEATURE_TESTS_EXTRA is the complete list # of all feature tests @@ -118,7 +119,8 @@ FEATURE_DISPLAY ?= \ lzma \ get_cpuid \ bpf \ - libaio + libaio \ + disassembler-four-args # Set FEATURE_CHECK_(C|LD)FLAGS-all for all FEATURE_TESTS features. # If in the future we need per-feature checks/flags for features not diff --git a/tools/build/feature/test-all.c b/tools/build/feature/test-all.c index e903b86b742f..7853e6d91090 100644 --- a/tools/build/feature/test-all.c +++ b/tools/build/feature/test-all.c @@ -178,6 +178,10 @@ # include "test-reallocarray.c" #undef main +#define main main_test_disassembler_four_args +# include "test-disassembler-four-args.c" +#undef main + int main(int argc, char *argv[]) { main_test_libpython(); @@ -219,6 +223,7 @@ int main(int argc, char *argv[]) main_test_setns(); main_test_libaio(); main_test_reallocarray(); + main_test_disassembler_four_args(); return 0; } diff --git a/tools/build/feature/test-libopencsd.c b/tools/build/feature/test-libopencsd.c index d68eb4fb40cc..2b0e02c38870 100644 --- a/tools/build/feature/test-libopencsd.c +++ b/tools/build/feature/test-libopencsd.c @@ -4,9 +4,9 @@ /* * Check OpenCSD library version is sufficient to provide required features */ -#define OCSD_MIN_VER ((0 << 16) | (10 << 8) | (0)) +#define OCSD_MIN_VER ((0 << 16) | (11 << 8) | (0)) #if !defined(OCSD_VER_NUM) || (OCSD_VER_NUM < OCSD_MIN_VER) -#error "OpenCSD >= 0.10.0 is required" +#error "OpenCSD >= 0.11.0 is required" #endif int main(void) diff --git a/tools/include/uapi/asm-generic/mman-common-tools.h b/tools/include/uapi/asm-generic/mman-common-tools.h new file mode 100644 index 000000000000..af7d0d3a3182 --- /dev/null +++ b/tools/include/uapi/asm-generic/mman-common-tools.h @@ -0,0 +1,23 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ +#ifndef __ASM_GENERIC_MMAN_COMMON_TOOLS_ONLY_H +#define __ASM_GENERIC_MMAN_COMMON_TOOLS_ONLY_H + +#include <asm-generic/mman-common.h> + +/* We need this because we need to have tools/include/uapi/ included in the tools + * header search path to get access to stuff that is not yet in the system's + * copy of the files in that directory, but since this cset: + * + * 746c9398f5ac ("arch: move common mmap flags to linux/mman.h") + * + * We end up making sys/mman.h, that is in the system headers, to not find the + * MAP_SHARED and MAP_PRIVATE defines because they are not anymore in our copy + * of asm-generic/mman-common.h. So we define them here and include this header + * from each of the per arch mman.h headers. + */ +#ifndef MAP_SHARED +#define MAP_SHARED 0x01 /* Share changes */ +#define MAP_PRIVATE 0x02 /* Changes are private */ +#define MAP_SHARED_VALIDATE 0x03 /* share + validate extension flags */ +#endif +#endif // __ASM_GENERIC_MMAN_COMMON_TOOLS_ONLY_H diff --git a/tools/include/uapi/asm-generic/mman-common.h b/tools/include/uapi/asm-generic/mman-common.h index e7ee32861d51..abd238d0f7a4 100644 --- a/tools/include/uapi/asm-generic/mman-common.h +++ b/tools/include/uapi/asm-generic/mman-common.h @@ -15,9 +15,7 @@ #define PROT_GROWSDOWN 0x01000000 /* mprotect flag: extend change to start of growsdown vma */ #define PROT_GROWSUP 0x02000000 /* mprotect flag: extend change to end of growsup vma */ -#define MAP_SHARED 0x01 /* Share changes */ -#define MAP_PRIVATE 0x02 /* Changes are private */ -#define MAP_SHARED_VALIDATE 0x03 /* share + validate extension flags */ +/* 0x01 - 0x03 are defined in linux/mman.h */ #define MAP_TYPE 0x0f /* Mask for type of mapping */ #define MAP_FIXED 0x10 /* Interpret addr exactly */ #define MAP_ANONYMOUS 0x20 /* don't use a file */ diff --git a/tools/include/uapi/asm-generic/mman.h b/tools/include/uapi/asm-generic/mman.h index 653687d9771b..36c197fc44a0 100644 --- a/tools/include/uapi/asm-generic/mman.h +++ b/tools/include/uapi/asm-generic/mman.h @@ -2,7 +2,7 @@ #ifndef __ASM_GENERIC_MMAN_H #define __ASM_GENERIC_MMAN_H -#include <asm-generic/mman-common.h> +#include <asm-generic/mman-common-tools.h> #define MAP_GROWSDOWN 0x0100 /* stack-like segment */ #define MAP_DENYWRITE 0x0800 /* ETXTBSY */ diff --git a/tools/include/uapi/asm-generic/unistd.h b/tools/include/uapi/asm-generic/unistd.h index d90127298f12..dee7292e1df6 100644 --- a/tools/include/uapi/asm-generic/unistd.h +++ b/tools/include/uapi/asm-generic/unistd.h @@ -38,8 +38,10 @@ __SYSCALL(__NR_io_destroy, sys_io_destroy) __SC_COMP(__NR_io_submit, sys_io_submit, compat_sys_io_submit) #define __NR_io_cancel 3 __SYSCALL(__NR_io_cancel, sys_io_cancel) +#if defined(__ARCH_WANT_TIME32_SYSCALLS) || __BITS_PER_LONG != 32 #define __NR_io_getevents 4 -__SC_COMP(__NR_io_getevents, sys_io_getevents, compat_sys_io_getevents) +__SC_3264(__NR_io_getevents, sys_io_getevents_time32, sys_io_getevents) +#endif /* fs/xattr.c */ #define __NR_setxattr 5 @@ -179,7 +181,7 @@ __SYSCALL(__NR_fchownat, sys_fchownat) #define __NR_fchown 55 __SYSCALL(__NR_fchown, sys_fchown) #define __NR_openat 56 -__SC_COMP(__NR_openat, sys_openat, compat_sys_openat) +__SYSCALL(__NR_openat, sys_openat) #define __NR_close 57 __SYSCALL(__NR_close, sys_close) #define __NR_vhangup 58 @@ -222,10 +224,12 @@ __SC_COMP(__NR_pwritev, sys_pwritev, compat_sys_pwritev) __SYSCALL(__NR3264_sendfile, sys_sendfile64) /* fs/select.c */ +#if defined(__ARCH_WANT_TIME32_SYSCALLS) || __BITS_PER_LONG != 32 #define __NR_pselect6 72 -__SC_COMP(__NR_pselect6, sys_pselect6, compat_sys_pselect6) +__SC_COMP_3264(__NR_pselect6, sys_pselect6_time32, sys_pselect6, compat_sys_pselect6_time32) #define __NR_ppoll 73 -__SC_COMP(__NR_ppoll, sys_ppoll, compat_sys_ppoll) +__SC_COMP_3264(__NR_ppoll, sys_ppoll_time32, sys_ppoll, compat_sys_ppoll_time32) +#endif /* fs/signalfd.c */ #define __NR_signalfd4 74 @@ -269,16 +273,20 @@ __SC_COMP(__NR_sync_file_range, sys_sync_file_range, \ /* fs/timerfd.c */ #define __NR_timerfd_create 85 __SYSCALL(__NR_timerfd_create, sys_timerfd_create) +#if defined(__ARCH_WANT_TIME32_SYSCALLS) || __BITS_PER_LONG != 32 #define __NR_timerfd_settime 86 -__SC_COMP(__NR_timerfd_settime, sys_timerfd_settime, \ - compat_sys_timerfd_settime) +__SC_3264(__NR_timerfd_settime, sys_timerfd_settime32, \ + sys_timerfd_settime) #define __NR_timerfd_gettime 87 -__SC_COMP(__NR_timerfd_gettime, sys_timerfd_gettime, \ - compat_sys_timerfd_gettime) +__SC_3264(__NR_timerfd_gettime, sys_timerfd_gettime32, \ + sys_timerfd_gettime) +#endif /* fs/utimes.c */ +#if defined(__ARCH_WANT_TIME32_SYSCALLS) || __BITS_PER_LONG != 32 #define __NR_utimensat 88 -__SC_COMP(__NR_utimensat, sys_utimensat, compat_sys_utimensat) +__SC_3264(__NR_utimensat, sys_utimensat_time32, sys_utimensat) +#endif /* kernel/acct.c */ #define __NR_acct 89 @@ -309,8 +317,10 @@ __SYSCALL(__NR_set_tid_address, sys_set_tid_address) __SYSCALL(__NR_unshare, sys_unshare) /* kernel/futex.c */ +#if defined(__ARCH_WANT_TIME32_SYSCALLS) || __BITS_PER_LONG != 32 #define __NR_futex 98 -__SC_COMP(__NR_futex, sys_futex, compat_sys_futex) +__SC_3264(__NR_futex, sys_futex_time32, sys_futex) +#endif #define __NR_set_robust_list 99 __SC_COMP(__NR_set_robust_list, sys_set_robust_list, \ compat_sys_set_robust_list) @@ -319,8 +329,10 @@ __SC_COMP(__NR_get_robust_list, sys_get_robust_list, \ compat_sys_get_robust_list) /* kernel/hrtimer.c */ +#if defined(__ARCH_WANT_TIME32_SYSCALLS) || __BITS_PER_LONG != 32 #define __NR_nanosleep 101 -__SC_COMP(__NR_nanosleep, sys_nanosleep, compat_sys_nanosleep) +__SC_3264(__NR_nanosleep, sys_nanosleep_time32, sys_nanosleep) +#endif /* kernel/itimer.c */ #define __NR_getitimer 102 @@ -341,23 +353,29 @@ __SYSCALL(__NR_delete_module, sys_delete_module) /* kernel/posix-timers.c */ #define __NR_timer_create 107 __SC_COMP(__NR_timer_create, sys_timer_create, compat_sys_timer_create) +#if defined(__ARCH_WANT_TIME32_SYSCALLS) || __BITS_PER_LONG != 32 #define __NR_timer_gettime 108 -__SC_COMP(__NR_timer_gettime, sys_timer_gettime, compat_sys_timer_gettime) +__SC_3264(__NR_timer_gettime, sys_timer_gettime32, sys_timer_gettime) +#endif #define __NR_timer_getoverrun 109 __SYSCALL(__NR_timer_getoverrun, sys_timer_getoverrun) +#if defined(__ARCH_WANT_TIME32_SYSCALLS) || __BITS_PER_LONG != 32 #define __NR_timer_settime 110 -__SC_COMP(__NR_timer_settime, sys_timer_settime, compat_sys_timer_settime) +__SC_3264(__NR_timer_settime, sys_timer_settime32, sys_timer_settime) +#endif #define __NR_timer_delete 111 __SYSCALL(__NR_timer_delete, sys_timer_delete) +#if defined(__ARCH_WANT_TIME32_SYSCALLS) || __BITS_PER_LONG != 32 #define __NR_clock_settime 112 -__SC_COMP(__NR_clock_settime, sys_clock_settime, compat_sys_clock_settime) +__SC_3264(__NR_clock_settime, sys_clock_settime32, sys_clock_settime) #define __NR_clock_gettime 113 -__SC_COMP(__NR_clock_gettime, sys_clock_gettime, compat_sys_clock_gettime) +__SC_3264(__NR_clock_gettime, sys_clock_gettime32, sys_clock_gettime) #define __NR_clock_getres 114 -__SC_COMP(__NR_clock_getres, sys_clock_getres, compat_sys_clock_getres) +__SC_3264(__NR_clock_getres, sys_clock_getres_time32, sys_clock_getres) #define __NR_clock_nanosleep 115 -__SC_COMP(__NR_clock_nanosleep, sys_clock_nanosleep, \ - compat_sys_clock_nanosleep) +__SC_3264(__NR_clock_nanosleep, sys_clock_nanosleep_time32, \ + sys_clock_nanosleep) +#endif /* kernel/printk.c */ #define __NR_syslog 116 @@ -388,9 +406,11 @@ __SYSCALL(__NR_sched_yield, sys_sched_yield) __SYSCALL(__NR_sched_get_priority_max, sys_sched_get_priority_max) #define __NR_sched_get_priority_min 126 __SYSCALL(__NR_sched_get_priority_min, sys_sched_get_priority_min) +#if defined(__ARCH_WANT_TIME32_SYSCALLS) || __BITS_PER_LONG != 32 #define __NR_sched_rr_get_interval 127 -__SC_COMP(__NR_sched_rr_get_interval, sys_sched_rr_get_interval, \ - compat_sys_sched_rr_get_interval) +__SC_3264(__NR_sched_rr_get_interval, sys_sched_rr_get_interval_time32, \ + sys_sched_rr_get_interval) +#endif /* kernel/signal.c */ #define __NR_restart_syscall 128 @@ -411,9 +431,11 @@ __SC_COMP(__NR_rt_sigaction, sys_rt_sigaction, compat_sys_rt_sigaction) __SC_COMP(__NR_rt_sigprocmask, sys_rt_sigprocmask, compat_sys_rt_sigprocmask) #define __NR_rt_sigpending 136 __SC_COMP(__NR_rt_sigpending, sys_rt_sigpending, compat_sys_rt_sigpending) +#if defined(__ARCH_WANT_TIME32_SYSCALLS) || __BITS_PER_LONG != 32 #define __NR_rt_sigtimedwait 137 -__SC_COMP(__NR_rt_sigtimedwait, sys_rt_sigtimedwait, \ - compat_sys_rt_sigtimedwait) +__SC_COMP_3264(__NR_rt_sigtimedwait, sys_rt_sigtimedwait_time32, \ + sys_rt_sigtimedwait, compat_sys_rt_sigtimedwait_time32) +#endif #define __NR_rt_sigqueueinfo 138 __SC_COMP(__NR_rt_sigqueueinfo, sys_rt_sigqueueinfo, \ compat_sys_rt_sigqueueinfo) @@ -467,10 +489,15 @@ __SYSCALL(__NR_uname, sys_newuname) __SYSCALL(__NR_sethostname, sys_sethostname) #define __NR_setdomainname 162 __SYSCALL(__NR_setdomainname, sys_setdomainname) + +#ifdef __ARCH_WANT_SET_GET_RLIMIT +/* getrlimit and setrlimit are superseded with prlimit64 */ #define __NR_getrlimit 163 __SC_COMP(__NR_getrlimit, sys_getrlimit, compat_sys_getrlimit) #define __NR_setrlimit 164 __SC_COMP(__NR_setrlimit, sys_setrlimit, compat_sys_setrlimit) +#endif + #define __NR_getrusage 165 __SC_COMP(__NR_getrusage, sys_getrusage, compat_sys_getrusage) #define __NR_umask 166 @@ -481,12 +508,14 @@ __SYSCALL(__NR_prctl, sys_prctl) __SYSCALL(__NR_getcpu, sys_getcpu) /* kernel/time.c */ +#if defined(__ARCH_WANT_TIME32_SYSCALLS) || __BITS_PER_LONG != 32 #define __NR_gettimeofday 169 __SC_COMP(__NR_gettimeofday, sys_gettimeofday, compat_sys_gettimeofday) #define __NR_settimeofday 170 __SC_COMP(__NR_settimeofday, sys_settimeofday, compat_sys_settimeofday) #define __NR_adjtimex 171 -__SC_COMP(__NR_adjtimex, sys_adjtimex, compat_sys_adjtimex) +__SC_3264(__NR_adjtimex, sys_adjtimex_time32, sys_adjtimex) +#endif /* kernel/timer.c */ #define __NR_getpid 172 @@ -511,11 +540,13 @@ __SC_COMP(__NR_sysinfo, sys_sysinfo, compat_sys_sysinfo) __SC_COMP(__NR_mq_open, sys_mq_open, compat_sys_mq_open) #define __NR_mq_unlink 181 __SYSCALL(__NR_mq_unlink, sys_mq_unlink) +#if defined(__ARCH_WANT_TIME32_SYSCALLS) || __BITS_PER_LONG != 32 #define __NR_mq_timedsend 182 -__SC_COMP(__NR_mq_timedsend, sys_mq_timedsend, compat_sys_mq_timedsend) +__SC_3264(__NR_mq_timedsend, sys_mq_timedsend_time32, sys_mq_timedsend) #define __NR_mq_timedreceive 183 -__SC_COMP(__NR_mq_timedreceive, sys_mq_timedreceive, \ - compat_sys_mq_timedreceive) +__SC_3264(__NR_mq_timedreceive, sys_mq_timedreceive_time32, \ + sys_mq_timedreceive) +#endif #define __NR_mq_notify 184 __SC_COMP(__NR_mq_notify, sys_mq_notify, compat_sys_mq_notify) #define __NR_mq_getsetattr 185 @@ -536,8 +567,10 @@ __SC_COMP(__NR_msgsnd, sys_msgsnd, compat_sys_msgsnd) __SYSCALL(__NR_semget, sys_semget) #define __NR_semctl 191 __SC_COMP(__NR_semctl, sys_semctl, compat_sys_semctl) +#if defined(__ARCH_WANT_TIME32_SYSCALLS) || __BITS_PER_LONG != 32 #define __NR_semtimedop 192 -__SC_COMP(__NR_semtimedop, sys_semtimedop, compat_sys_semtimedop) +__SC_COMP(__NR_semtimedop, sys_semtimedop, sys_semtimedop_time32) +#endif #define __NR_semop 193 __SYSCALL(__NR_semop, sys_semop) @@ -658,8 +691,10 @@ __SC_COMP(__NR_rt_tgsigqueueinfo, sys_rt_tgsigqueueinfo, \ __SYSCALL(__NR_perf_event_open, sys_perf_event_open) #define __NR_accept4 242 __SYSCALL(__NR_accept4, sys_accept4) +#if defined(__ARCH_WANT_TIME32_SYSCALLS) || __BITS_PER_LONG != 32 #define __NR_recvmmsg 243 -__SC_COMP(__NR_recvmmsg, sys_recvmmsg, compat_sys_recvmmsg) +__SC_COMP_3264(__NR_recvmmsg, sys_recvmmsg_time32, sys_recvmmsg, compat_sys_recvmmsg_time32) +#endif /* * Architectures may provide up to 16 syscalls of their own @@ -667,8 +702,10 @@ __SC_COMP(__NR_recvmmsg, sys_recvmmsg, compat_sys_recvmmsg) */ #define __NR_arch_specific_syscall 244 +#if defined(__ARCH_WANT_TIME32_SYSCALLS) || __BITS_PER_LONG != 32 #define __NR_wait4 260 __SC_COMP(__NR_wait4, sys_wait4, compat_sys_wait4) +#endif #define __NR_prlimit64 261 __SYSCALL(__NR_prlimit64, sys_prlimit64) #define __NR_fanotify_init 262 @@ -678,10 +715,11 @@ __SYSCALL(__NR_fanotify_mark, sys_fanotify_mark) #define __NR_name_to_handle_at 264 __SYSCALL(__NR_name_to_handle_at, sys_name_to_handle_at) #define __NR_open_by_handle_at 265 -__SC_COMP(__NR_open_by_handle_at, sys_open_by_handle_at, \ - compat_sys_open_by_handle_at) +__SYSCALL(__NR_open_by_handle_at, sys_open_by_handle_at) +#if defined(__ARCH_WANT_TIME32_SYSCALLS) || __BITS_PER_LONG != 32 #define __NR_clock_adjtime 266 -__SC_COMP(__NR_clock_adjtime, sys_clock_adjtime, compat_sys_clock_adjtime) +__SC_3264(__NR_clock_adjtime, sys_clock_adjtime32, sys_clock_adjtime) +#endif #define __NR_syncfs 267 __SYSCALL(__NR_syncfs, sys_syncfs) #define __NR_setns 268 @@ -734,15 +772,69 @@ __SYSCALL(__NR_pkey_alloc, sys_pkey_alloc) __SYSCALL(__NR_pkey_free, sys_pkey_free) #define __NR_statx 291 __SYSCALL(__NR_statx, sys_statx) +#if defined(__ARCH_WANT_TIME32_SYSCALLS) || __BITS_PER_LONG != 32 #define __NR_io_pgetevents 292 -__SC_COMP(__NR_io_pgetevents, sys_io_pgetevents, compat_sys_io_pgetevents) +__SC_COMP_3264(__NR_io_pgetevents, sys_io_pgetevents_time32, sys_io_pgetevents, compat_sys_io_pgetevents) +#endif #define __NR_rseq 293 __SYSCALL(__NR_rseq, sys_rseq) #define __NR_kexec_file_load 294 __SYSCALL(__NR_kexec_file_load, sys_kexec_file_load) +/* 295 through 402 are unassigned to sync up with generic numbers, don't use */ +#if __BITS_PER_LONG == 32 +#define __NR_clock_gettime64 403 +__SYSCALL(__NR_clock_gettime64, sys_clock_gettime) +#define __NR_clock_settime64 404 +__SYSCALL(__NR_clock_settime64, sys_clock_settime) +#define __NR_clock_adjtime64 405 +__SYSCALL(__NR_clock_adjtime64, sys_clock_adjtime) +#define __NR_clock_getres_time64 406 +__SYSCALL(__NR_clock_getres_time64, sys_clock_getres) +#define __NR_clock_nanosleep_time64 407 +__SYSCALL(__NR_clock_nanosleep_time64, sys_clock_nanosleep) +#define __NR_timer_gettime64 408 +__SYSCALL(__NR_timer_gettime64, sys_timer_gettime) +#define __NR_timer_settime64 409 +__SYSCALL(__NR_timer_settime64, sys_timer_settime) +#define __NR_timerfd_gettime64 410 +__SYSCALL(__NR_timerfd_gettime64, sys_timerfd_gettime) +#define __NR_timerfd_settime64 411 +__SYSCALL(__NR_timerfd_settime64, sys_timerfd_settime) +#define __NR_utimensat_time64 412 +__SYSCALL(__NR_utimensat_time64, sys_utimensat) +#define __NR_pselect6_time64 413 +__SC_COMP(__NR_pselect6_time64, sys_pselect6, compat_sys_pselect6_time64) +#define __NR_ppoll_time64 414 +__SC_COMP(__NR_ppoll_time64, sys_ppoll, compat_sys_ppoll_time64) +#define __NR_io_pgetevents_time64 416 +__SYSCALL(__NR_io_pgetevents_time64, sys_io_pgetevents) +#define __NR_recvmmsg_time64 417 +__SC_COMP(__NR_recvmmsg_time64, sys_recvmmsg, compat_sys_recvmmsg_time64) +#define __NR_mq_timedsend_time64 418 +__SYSCALL(__NR_mq_timedsend_time64, sys_mq_timedsend) +#define __NR_mq_timedreceive_time64 419 +__SYSCALL(__NR_mq_timedreceive_time64, sys_mq_timedreceive) +#define __NR_semtimedop_time64 420 +__SYSCALL(__NR_semtimedop_time64, sys_semtimedop) +#define __NR_rt_sigtimedwait_time64 421 +__SC_COMP(__NR_rt_sigtimedwait_time64, sys_rt_sigtimedwait, compat_sys_rt_sigtimedwait_time64) +#define __NR_futex_time64 422 +__SYSCALL(__NR_futex_time64, sys_futex) +#define __NR_sched_rr_get_interval_time64 423 +__SYSCALL(__NR_sched_rr_get_interval_time64, sys_sched_rr_get_interval) +#endif + +#define __NR_pidfd_send_signal 424 +__SYSCALL(__NR_pidfd_send_signal, sys_pidfd_send_signal) +#define __NR_io_uring_setup 425 +__SYSCALL(__NR_io_uring_setup, sys_io_uring_setup) +#define __NR_io_uring_enter 426 +__SYSCALL(__NR_io_uring_enter, sys_io_uring_enter) +#define __NR_io_uring_register 427 +__SYSCALL(__NR_io_uring_register, sys_io_uring_register) #undef __NR_syscalls -#define __NR_syscalls 295 +#define __NR_syscalls 428 /* * 32 bit systems traditionally used different diff --git a/tools/include/uapi/drm/i915_drm.h b/tools/include/uapi/drm/i915_drm.h index 298b2e197744..397810fa2d33 100644 --- a/tools/include/uapi/drm/i915_drm.h +++ b/tools/include/uapi/drm/i915_drm.h @@ -1486,9 +1486,73 @@ struct drm_i915_gem_context_param { #define I915_CONTEXT_MAX_USER_PRIORITY 1023 /* inclusive */ #define I915_CONTEXT_DEFAULT_PRIORITY 0 #define I915_CONTEXT_MIN_USER_PRIORITY -1023 /* inclusive */ + /* + * When using the following param, value should be a pointer to + * drm_i915_gem_context_param_sseu. + */ +#define I915_CONTEXT_PARAM_SSEU 0x7 __u64 value; }; +/** + * Context SSEU programming + * + * It may be necessary for either functional or performance reason to configure + * a context to run with a reduced number of SSEU (where SSEU stands for Slice/ + * Sub-slice/EU). + * + * This is done by configuring SSEU configuration using the below + * @struct drm_i915_gem_context_param_sseu for every supported engine which + * userspace intends to use. + * + * Not all GPUs or engines support this functionality in which case an error + * code -ENODEV will be returned. + * + * Also, flexibility of possible SSEU configuration permutations varies between + * GPU generations and software imposed limitations. Requesting such a + * combination will return an error code of -EINVAL. + * + * NOTE: When perf/OA is active the context's SSEU configuration is ignored in + * favour of a single global setting. + */ +struct drm_i915_gem_context_param_sseu { + /* + * Engine class & instance to be configured or queried. + */ + __u16 engine_class; + __u16 engine_instance; + + /* + * Unused for now. Must be cleared to zero. + */ + __u32 flags; + + /* + * Mask of slices to enable for the context. Valid values are a subset + * of the bitmask value returned for I915_PARAM_SLICE_MASK. + */ + __u64 slice_mask; + + /* + * Mask of subslices to enable for the context. Valid values are a + * subset of the bitmask value return by I915_PARAM_SUBSLICE_MASK. + */ + __u64 subslice_mask; + + /* + * Minimum/Maximum number of EUs to enable per subslice for the + * context. min_eus_per_subslice must be inferior or equal to + * max_eus_per_subslice. + */ + __u16 min_eus_per_subslice; + __u16 max_eus_per_subslice; + + /* + * Unused for now. Must be cleared to zero. + */ + __u32 rsvd; +}; + enum drm_i915_oa_format { I915_OA_FORMAT_A13 = 1, /* HSW only */ I915_OA_FORMAT_A29, /* HSW only */ diff --git a/tools/include/uapi/linux/bpf.h b/tools/include/uapi/linux/bpf.h index 3c38ac9a92a7..929c8e537a14 100644 --- a/tools/include/uapi/linux/bpf.h +++ b/tools/include/uapi/linux/bpf.h @@ -502,16 +502,6 @@ union bpf_attr { * Return * 0 on success, or a negative error in case of failure. * - * int bpf_map_push_elem(struct bpf_map *map, const void *value, u64 flags) - * Description - * Push an element *value* in *map*. *flags* is one of: - * - * **BPF_EXIST** - * If the queue/stack is full, the oldest element is removed to - * make room for this. - * Return - * 0 on success, or a negative error in case of failure. - * * int bpf_probe_read(void *dst, u32 size, const void *src) * Description * For tracing programs, safely attempt to read *size* bytes from @@ -1435,14 +1425,14 @@ union bpf_attr { * u64 bpf_get_socket_cookie(struct bpf_sock_addr *ctx) * Description * Equivalent to bpf_get_socket_cookie() helper that accepts - * *skb*, but gets socket from **struct bpf_sock_addr** contex. + * *skb*, but gets socket from **struct bpf_sock_addr** context. * Return * A 8-byte long non-decreasing number. * * u64 bpf_get_socket_cookie(struct bpf_sock_ops *ctx) * Description * Equivalent to bpf_get_socket_cookie() helper that accepts - * *skb*, but gets socket from **struct bpf_sock_ops** contex. + * *skb*, but gets socket from **struct bpf_sock_ops** context. * Return * A 8-byte long non-decreasing number. * @@ -2098,52 +2088,52 @@ union bpf_attr { * Return * 0 on success, or a negative error in case of failure. * - * int bpf_rc_keydown(void *ctx, u32 protocol, u64 scancode, u32 toggle) + * int bpf_rc_repeat(void *ctx) * Description * This helper is used in programs implementing IR decoding, to - * report a successfully decoded key press with *scancode*, - * *toggle* value in the given *protocol*. The scancode will be - * translated to a keycode using the rc keymap, and reported as - * an input key down event. After a period a key up event is - * generated. This period can be extended by calling either - * **bpf_rc_keydown**\ () again with the same values, or calling - * **bpf_rc_repeat**\ (). + * report a successfully decoded repeat key message. This delays + * the generation of a key up event for previously generated + * key down event. * - * Some protocols include a toggle bit, in case the button was - * released and pressed again between consecutive scancodes. + * Some IR protocols like NEC have a special IR message for + * repeating last button, for when a button is held down. * * The *ctx* should point to the lirc sample as passed into * the program. * - * The *protocol* is the decoded protocol number (see - * **enum rc_proto** for some predefined values). - * * This helper is only available is the kernel was compiled with * the **CONFIG_BPF_LIRC_MODE2** configuration option set to * "**y**". * Return * 0 * - * int bpf_rc_repeat(void *ctx) + * int bpf_rc_keydown(void *ctx, u32 protocol, u64 scancode, u32 toggle) * Description * This helper is used in programs implementing IR decoding, to - * report a successfully decoded repeat key message. This delays - * the generation of a key up event for previously generated - * key down event. + * report a successfully decoded key press with *scancode*, + * *toggle* value in the given *protocol*. The scancode will be + * translated to a keycode using the rc keymap, and reported as + * an input key down event. After a period a key up event is + * generated. This period can be extended by calling either + * **bpf_rc_keydown**\ () again with the same values, or calling + * **bpf_rc_repeat**\ (). * - * Some IR protocols like NEC have a special IR message for - * repeating last button, for when a button is held down. + * Some protocols include a toggle bit, in case the button was + * released and pressed again between consecutive scancodes. * * The *ctx* should point to the lirc sample as passed into * the program. * + * The *protocol* is the decoded protocol number (see + * **enum rc_proto** for some predefined values). + * * This helper is only available is the kernel was compiled with * the **CONFIG_BPF_LIRC_MODE2** configuration option set to * "**y**". * Return * 0 * - * uint64_t bpf_skb_cgroup_id(struct sk_buff *skb) + * u64 bpf_skb_cgroup_id(struct sk_buff *skb) * Description * Return the cgroup v2 id of the socket associated with the *skb*. * This is roughly similar to the **bpf_get_cgroup_classid**\ () @@ -2159,30 +2149,12 @@ union bpf_attr { * Return * The id is returned or 0 in case the id could not be retrieved. * - * u64 bpf_skb_ancestor_cgroup_id(struct sk_buff *skb, int ancestor_level) - * Description - * Return id of cgroup v2 that is ancestor of cgroup associated - * with the *skb* at the *ancestor_level*. The root cgroup is at - * *ancestor_level* zero and each step down the hierarchy - * increments the level. If *ancestor_level* == level of cgroup - * associated with *skb*, then return value will be same as that - * of **bpf_skb_cgroup_id**\ (). - * - * The helper is useful to implement policies based on cgroups - * that are upper in hierarchy than immediate cgroup associated - * with *skb*. - * - * The format of returned id and helper limitations are same as in - * **bpf_skb_cgroup_id**\ (). - * Return - * The id is returned or 0 in case the id could not be retrieved. - * * u64 bpf_get_current_cgroup_id(void) * Return * A 64-bit integer containing the current cgroup id based * on the cgroup within which the current task is running. * - * void* get_local_storage(void *map, u64 flags) + * void *bpf_get_local_storage(void *map, u64 flags) * Description * Get the pointer to the local storage area. * The type and the size of the local storage is defined @@ -2209,6 +2181,24 @@ union bpf_attr { * Return * 0 on success, or a negative error in case of failure. * + * u64 bpf_skb_ancestor_cgroup_id(struct sk_buff *skb, int ancestor_level) + * Description + * Return id of cgroup v2 that is ancestor of cgroup associated + * with the *skb* at the *ancestor_level*. The root cgroup is at + * *ancestor_level* zero and each step down the hierarchy + * increments the level. If *ancestor_level* == level of cgroup + * associated with *skb*, then return value will be same as that + * of **bpf_skb_cgroup_id**\ (). + * + * The helper is useful to implement policies based on cgroups + * that are upper in hierarchy than immediate cgroup associated + * with *skb*. + * + * The format of returned id and helper limitations are same as in + * **bpf_skb_cgroup_id**\ (). + * Return + * The id is returned or 0 in case the id could not be retrieved. + * * struct bpf_sock *bpf_sk_lookup_tcp(void *ctx, struct bpf_sock_tuple *tuple, u32 tuple_size, u64 netns, u64 flags) * Description * Look for TCP socket matching *tuple*, optionally in a child @@ -2289,6 +2279,16 @@ union bpf_attr { * Return * 0 on success, or a negative error in case of failure. * + * int bpf_map_push_elem(struct bpf_map *map, const void *value, u64 flags) + * Description + * Push an element *value* in *map*. *flags* is one of: + * + * **BPF_EXIST** + * If the queue/stack is full, the oldest element is + * removed to make room for this. + * Return + * 0 on success, or a negative error in case of failure. + * * int bpf_map_pop_elem(struct bpf_map *map, void *value) * Description * Pop an element from *map*. @@ -2343,29 +2343,94 @@ union bpf_attr { * Return * 0 * + * int bpf_spin_lock(struct bpf_spin_lock *lock) + * Description + * Acquire a spinlock represented by the pointer *lock*, which is + * stored as part of a value of a map. Taking the lock allows to + * safely update the rest of the fields in that value. The + * spinlock can (and must) later be released with a call to + * **bpf_spin_unlock**\ (\ *lock*\ ). + * + * Spinlocks in BPF programs come with a number of restrictions + * and constraints: + * + * * **bpf_spin_lock** objects are only allowed inside maps of + * types **BPF_MAP_TYPE_HASH** and **BPF_MAP_TYPE_ARRAY** (this + * list could be extended in the future). + * * BTF description of the map is mandatory. + * * The BPF program can take ONE lock at a time, since taking two + * or more could cause dead locks. + * * Only one **struct bpf_spin_lock** is allowed per map element. + * * When the lock is taken, calls (either BPF to BPF or helpers) + * are not allowed. + * * The **BPF_LD_ABS** and **BPF_LD_IND** instructions are not + * allowed inside a spinlock-ed region. + * * The BPF program MUST call **bpf_spin_unlock**\ () to release + * the lock, on all execution paths, before it returns. + * * The BPF program can access **struct bpf_spin_lock** only via + * the **bpf_spin_lock**\ () and **bpf_spin_unlock**\ () + * helpers. Loading or storing data into the **struct + * bpf_spin_lock** *lock*\ **;** field of a map is not allowed. + * * To use the **bpf_spin_lock**\ () helper, the BTF description + * of the map value must be a struct and have **struct + * bpf_spin_lock** *anyname*\ **;** field at the top level. + * Nested lock inside another struct is not allowed. + * * The **struct bpf_spin_lock** *lock* field in a map value must + * be aligned on a multiple of 4 bytes in that value. + * * Syscall with command **BPF_MAP_LOOKUP_ELEM** does not copy + * the **bpf_spin_lock** field to user space. + * * Syscall with command **BPF_MAP_UPDATE_ELEM**, or update from + * a BPF program, do not update the **bpf_spin_lock** field. + * * **bpf_spin_lock** cannot be on the stack or inside a + * networking packet (it can only be inside of a map values). + * * **bpf_spin_lock** is available to root only. + * * Tracing programs and socket filter programs cannot use + * **bpf_spin_lock**\ () due to insufficient preemption checks + * (but this may change in the future). + * * **bpf_spin_lock** is not allowed in inner maps of map-in-map. + * Return + * 0 + * + * int bpf_spin_unlock(struct bpf_spin_lock *lock) + * Description + * Release the *lock* previously locked by a call to + * **bpf_spin_lock**\ (\ *lock*\ ). + * Return + * 0 + * * struct bpf_sock *bpf_sk_fullsock(struct bpf_sock *sk) * Description * This helper gets a **struct bpf_sock** pointer such - * that all the fields in bpf_sock can be accessed. + * that all the fields in this **bpf_sock** can be accessed. * Return - * A **struct bpf_sock** pointer on success, or NULL in + * A **struct bpf_sock** pointer on success, or **NULL** in * case of failure. * * struct bpf_tcp_sock *bpf_tcp_sock(struct bpf_sock *sk) * Description * This helper gets a **struct bpf_tcp_sock** pointer from a * **struct bpf_sock** pointer. - * * Return - * A **struct bpf_tcp_sock** pointer on success, or NULL in + * A **struct bpf_tcp_sock** pointer on success, or **NULL** in * case of failure. * * int bpf_skb_ecn_set_ce(struct sk_buf *skb) - * Description - * Sets ECN of IP header to ce (congestion encountered) if - * current value is ect (ECN capable). Works with IPv6 and IPv4. - * Return - * 1 if set, 0 if not set. + * Description + * Set ECN (Explicit Congestion Notification) field of IP header + * to **CE** (Congestion Encountered) if current value is **ECT** + * (ECN Capable Transport). Otherwise, do nothing. Works with IPv6 + * and IPv4. + * Return + * 1 if the **CE** flag is set (either by the current helper call + * or because it was already present), 0 if it is not set. + * + * struct bpf_sock *bpf_get_listener_sock(struct bpf_sock *sk) + * Description + * Return a **struct bpf_sock** pointer in **TCP_LISTEN** state. + * **bpf_sk_release**\ () is unnecessary and not allowed. + * Return + * A **struct bpf_sock** pointer on success, or **NULL** in + * case of failure. */ #define __BPF_FUNC_MAPPER(FN) \ FN(unspec), \ @@ -2465,7 +2530,8 @@ union bpf_attr { FN(spin_unlock), \ FN(sk_fullsock), \ FN(tcp_sock), \ - FN(skb_ecn_set_ce), + FN(skb_ecn_set_ce), \ + FN(get_listener_sock), /* integer value in 'imm' field of BPF_CALL instruction selects which helper * function eBPF program intends to call diff --git a/tools/include/uapi/linux/fcntl.h b/tools/include/uapi/linux/fcntl.h index 6448cdd9a350..a2f8658f1c55 100644 --- a/tools/include/uapi/linux/fcntl.h +++ b/tools/include/uapi/linux/fcntl.h @@ -41,6 +41,7 @@ #define F_SEAL_SHRINK 0x0002 /* prevent file from shrinking */ #define F_SEAL_GROW 0x0004 /* prevent file from growing */ #define F_SEAL_WRITE 0x0008 /* prevent writes */ +#define F_SEAL_FUTURE_WRITE 0x0010 /* prevent future writes while mapped */ /* (1U << 31) is reserved for signed error codes */ /* diff --git a/tools/include/uapi/linux/in.h b/tools/include/uapi/linux/in.h index a55cb8b10165..e7ad9d350a28 100644 --- a/tools/include/uapi/linux/in.h +++ b/tools/include/uapi/linux/in.h @@ -292,10 +292,11 @@ struct sockaddr_in { #define IN_LOOPBACK(a) ((((long int) (a)) & 0xff000000) == 0x7f000000) /* Defines for Multicast INADDR */ -#define INADDR_UNSPEC_GROUP 0xe0000000U /* 224.0.0.0 */ -#define INADDR_ALLHOSTS_GROUP 0xe0000001U /* 224.0.0.1 */ -#define INADDR_ALLRTRS_GROUP 0xe0000002U /* 224.0.0.2 */ -#define INADDR_MAX_LOCAL_GROUP 0xe00000ffU /* 224.0.0.255 */ +#define INADDR_UNSPEC_GROUP 0xe0000000U /* 224.0.0.0 */ +#define INADDR_ALLHOSTS_GROUP 0xe0000001U /* 224.0.0.1 */ +#define INADDR_ALLRTRS_GROUP 0xe0000002U /* 224.0.0.2 */ +#define INADDR_ALLSNOOPERS_GROUP 0xe000006aU /* 224.0.0.106 */ +#define INADDR_MAX_LOCAL_GROUP 0xe00000ffU /* 224.0.0.255 */ #endif /* <asm/byteorder.h> contains the htonl type stuff.. */ diff --git a/tools/include/uapi/linux/mman.h b/tools/include/uapi/linux/mman.h index d0f515d53299..fc1a64c3447b 100644 --- a/tools/include/uapi/linux/mman.h +++ b/tools/include/uapi/linux/mman.h @@ -12,6 +12,10 @@ #define OVERCOMMIT_ALWAYS 1 #define OVERCOMMIT_NEVER 2 +#define MAP_SHARED 0x01 /* Share changes */ +#define MAP_PRIVATE 0x02 /* Changes are private */ +#define MAP_SHARED_VALIDATE 0x03 /* share + validate extension flags */ + /* * Huge page size encoding when MAP_HUGETLB is specified, and a huge page * size other than the default is desired. See hugetlb_encode.h. diff --git a/tools/lib/bpf/Makefile b/tools/lib/bpf/Makefile index 61aaacf0cfa1..5bf8e52c41fc 100644 --- a/tools/lib/bpf/Makefile +++ b/tools/lib/bpf/Makefile @@ -3,7 +3,7 @@ BPF_VERSION = 0 BPF_PATCHLEVEL = 0 -BPF_EXTRAVERSION = 1 +BPF_EXTRAVERSION = 2 MAKEFLAGS += --no-print-directory @@ -79,8 +79,6 @@ export prefix libdir src obj libdir_SQ = $(subst ','\'',$(libdir)) libdir_relative_SQ = $(subst ','\'',$(libdir_relative)) -LIB_FILE = libbpf.a libbpf.so - VERSION = $(BPF_VERSION) PATCHLEVEL = $(BPF_PATCHLEVEL) EXTRAVERSION = $(BPF_EXTRAVERSION) @@ -88,7 +86,10 @@ EXTRAVERSION = $(BPF_EXTRAVERSION) OBJ = $@ N = -LIBBPF_VERSION = $(BPF_VERSION).$(BPF_PATCHLEVEL).$(BPF_EXTRAVERSION) +LIBBPF_VERSION = $(BPF_VERSION).$(BPF_PATCHLEVEL).$(BPF_EXTRAVERSION) + +LIB_TARGET = libbpf.a libbpf.so.$(LIBBPF_VERSION) +LIB_FILE = libbpf.a libbpf.so* # Set compile option CFLAGS ifdef EXTRA_CFLAGS @@ -128,16 +129,18 @@ all: export srctree OUTPUT CC LD CFLAGS V include $(srctree)/tools/build/Makefile.include -BPF_IN := $(OUTPUT)libbpf-in.o -LIB_FILE := $(addprefix $(OUTPUT),$(LIB_FILE)) -VERSION_SCRIPT := libbpf.map +BPF_IN := $(OUTPUT)libbpf-in.o +VERSION_SCRIPT := libbpf.map + +LIB_TARGET := $(addprefix $(OUTPUT),$(LIB_TARGET)) +LIB_FILE := $(addprefix $(OUTPUT),$(LIB_FILE)) GLOBAL_SYM_COUNT = $(shell readelf -s --wide $(BPF_IN) | \ awk '/GLOBAL/ && /DEFAULT/ && !/UND/ {s++} END{print s}') VERSIONED_SYM_COUNT = $(shell readelf -s --wide $(OUTPUT)libbpf.so | \ grep -Eo '[^ ]+@LIBBPF_' | cut -d@ -f1 | sort -u | wc -l) -CMD_TARGETS = $(LIB_FILE) +CMD_TARGETS = $(LIB_TARGET) CXX_TEST_TARGET = $(OUTPUT)test_libbpf @@ -170,9 +173,13 @@ $(BPF_IN): force elfdep bpfdep echo "Warning: Kernel ABI header at 'tools/include/uapi/linux/if_xdp.h' differs from latest version at 'include/uapi/linux/if_xdp.h'" >&2 )) || true $(Q)$(MAKE) $(build)=libbpf -$(OUTPUT)libbpf.so: $(BPF_IN) - $(QUIET_LINK)$(CC) --shared -Wl,--version-script=$(VERSION_SCRIPT) \ - $^ -o $@ +$(OUTPUT)libbpf.so: $(OUTPUT)libbpf.so.$(LIBBPF_VERSION) + +$(OUTPUT)libbpf.so.$(LIBBPF_VERSION): $(BPF_IN) + $(QUIET_LINK)$(CC) --shared -Wl,-soname,libbpf.so.$(VERSION) \ + -Wl,--version-script=$(VERSION_SCRIPT) $^ -o $@ + @ln -sf $(@F) $(OUTPUT)libbpf.so + @ln -sf $(@F) $(OUTPUT)libbpf.so.$(VERSION) $(OUTPUT)libbpf.a: $(BPF_IN) $(QUIET_LINK)$(RM) $@; $(AR) rcs $@ $^ @@ -192,6 +199,12 @@ check_abi: $(OUTPUT)libbpf.so exit 1; \ fi +define do_install_mkdir + if [ ! -d '$(DESTDIR_SQ)$1' ]; then \ + $(INSTALL) -d -m 755 '$(DESTDIR_SQ)$1'; \ + fi +endef + define do_install if [ ! -d '$(DESTDIR_SQ)$2' ]; then \ $(INSTALL) -d -m 755 '$(DESTDIR_SQ)$2'; \ @@ -200,8 +213,9 @@ define do_install endef install_lib: all_cmd - $(call QUIET_INSTALL, $(LIB_FILE)) \ - $(call do_install,$(LIB_FILE),$(libdir_SQ)) + $(call QUIET_INSTALL, $(LIB_TARGET)) \ + $(call do_install_mkdir,$(libdir_SQ)); \ + cp -fpR $(LIB_FILE) $(DESTDIR)$(libdir_SQ) install_headers: $(call QUIET_INSTALL, headers) \ @@ -219,7 +233,7 @@ config-clean: clean: $(call QUIET_CLEAN, libbpf) $(RM) $(TARGETS) $(CXX_TEST_TARGET) \ - *.o *~ *.a *.so .*.d .*.cmd LIBBPF-CFLAGS + *.o *~ *.a *.so *.so.$(VERSION) .*.d .*.cmd LIBBPF-CFLAGS $(call QUIET_CLEAN, core-gen) $(RM) $(OUTPUT)FEATURE-DUMP.libbpf diff --git a/tools/lib/bpf/README.rst b/tools/lib/bpf/README.rst index 5788479384ca..cef7b77eab69 100644 --- a/tools/lib/bpf/README.rst +++ b/tools/lib/bpf/README.rst @@ -111,6 +111,7 @@ starting from ``0.0.1``. Every time ABI is being changed, e.g. because a new symbol is added or semantic of existing symbol is changed, ABI version should be bumped. +This bump in ABI version is at most once per kernel development cycle. For example, if current state of ``libbpf.map`` is: diff --git a/tools/lib/bpf/btf.c b/tools/lib/bpf/btf.c index 1b8d8cdd3575..87e3020ac1bc 100644 --- a/tools/lib/bpf/btf.c +++ b/tools/lib/bpf/btf.c @@ -1602,16 +1602,12 @@ static bool btf_equal_int(struct btf_type *t1, struct btf_type *t2) /* Calculate type signature hash of ENUM. */ static __u32 btf_hash_enum(struct btf_type *t) { - struct btf_enum *member = (struct btf_enum *)(t + 1); - __u32 vlen = BTF_INFO_VLEN(t->info); - __u32 h = btf_hash_common(t); - int i; + __u32 h; - for (i = 0; i < vlen; i++) { - h = hash_combine(h, member->name_off); - h = hash_combine(h, member->val); - member++; - } + /* don't hash vlen and enum members to support enum fwd resolving */ + h = hash_combine(0, t->name_off); + h = hash_combine(h, t->info & ~0xffff); + h = hash_combine(h, t->size); return h; } @@ -1637,6 +1633,22 @@ static bool btf_equal_enum(struct btf_type *t1, struct btf_type *t2) return true; } +static inline bool btf_is_enum_fwd(struct btf_type *t) +{ + return BTF_INFO_KIND(t->info) == BTF_KIND_ENUM && + BTF_INFO_VLEN(t->info) == 0; +} + +static bool btf_compat_enum(struct btf_type *t1, struct btf_type *t2) +{ + if (!btf_is_enum_fwd(t1) && !btf_is_enum_fwd(t2)) + return btf_equal_enum(t1, t2); + /* ignore vlen when comparing */ + return t1->name_off == t2->name_off && + (t1->info & ~0xffff) == (t2->info & ~0xffff) && + t1->size == t2->size; +} + /* * Calculate type signature hash of STRUCT/UNION, ignoring referenced type IDs, * as referenced type IDs equivalence is established separately during type @@ -1860,6 +1872,17 @@ static int btf_dedup_prim_type(struct btf_dedup *d, __u32 type_id) new_id = cand_node->type_id; break; } + if (d->opts.dont_resolve_fwds) + continue; + if (btf_compat_enum(t, cand)) { + if (btf_is_enum_fwd(t)) { + /* resolve fwd to full enum */ + new_id = cand_node->type_id; + break; + } + /* resolve canonical enum fwd to full enum */ + d->map[cand_node->type_id] = type_id; + } } break; @@ -2084,15 +2107,15 @@ static int btf_dedup_is_equiv(struct btf_dedup *d, __u32 cand_id, return fwd_kind == real_kind; } - if (cand_type->info != canon_type->info) - return 0; - switch (cand_kind) { case BTF_KIND_INT: return btf_equal_int(cand_type, canon_type); case BTF_KIND_ENUM: - return btf_equal_enum(cand_type, canon_type); + if (d->opts.dont_resolve_fwds) + return btf_equal_enum(cand_type, canon_type); + else + return btf_compat_enum(cand_type, canon_type); case BTF_KIND_FWD: return btf_equal_common(cand_type, canon_type); @@ -2103,6 +2126,8 @@ static int btf_dedup_is_equiv(struct btf_dedup *d, __u32 cand_id, case BTF_KIND_PTR: case BTF_KIND_TYPEDEF: case BTF_KIND_FUNC: + if (cand_type->info != canon_type->info) + return 0; return btf_dedup_is_equiv(d, cand_type->type, canon_type->type); case BTF_KIND_ARRAY: { diff --git a/tools/lib/bpf/libbpf.c b/tools/lib/bpf/libbpf.c index d5b830d60601..11c25d9ea431 100644 --- a/tools/lib/bpf/libbpf.c +++ b/tools/lib/bpf/libbpf.c @@ -112,6 +112,11 @@ void libbpf_print(enum libbpf_print_level level, const char *format, ...) # define LIBBPF_ELF_C_READ_MMAP ELF_C_READ #endif +static inline __u64 ptr_to_u64(const void *ptr) +{ + return (__u64) (unsigned long) ptr; +} + struct bpf_capabilities { /* v4.14: kernel support for program & map names. */ __u32 name:1; @@ -622,7 +627,7 @@ bpf_object__init_maps(struct bpf_object *obj, int flags) bool strict = !(flags & MAPS_RELAX_COMPAT); int i, map_idx, map_def_sz, nr_maps = 0; Elf_Scn *scn; - Elf_Data *data; + Elf_Data *data = NULL; Elf_Data *symbols = obj->efile.symbols; if (obj->efile.maps_shndx < 0) @@ -835,12 +840,19 @@ static int bpf_object__elf_collect(struct bpf_object *obj, int flags) obj->efile.maps_shndx = idx; else if (strcmp(name, BTF_ELF_SEC) == 0) { obj->btf = btf__new(data->d_buf, data->d_size); - if (IS_ERR(obj->btf) || btf__load(obj->btf)) { + if (IS_ERR(obj->btf)) { pr_warning("Error loading ELF section %s: %ld. Ignored and continue.\n", BTF_ELF_SEC, PTR_ERR(obj->btf)); - if (!IS_ERR(obj->btf)) - btf__free(obj->btf); obj->btf = NULL; + continue; + } + err = btf__load(obj->btf); + if (err) { + pr_warning("Error loading %s into kernel: %d. Ignored and continue.\n", + BTF_ELF_SEC, err); + btf__free(obj->btf); + obj->btf = NULL; + err = 0; } } else if (strcmp(name, BTF_EXT_ELF_SEC) == 0) { btf_ext_data = data; @@ -2999,3 +3011,249 @@ bpf_perf_event_read_simple(void *mmap_mem, size_t mmap_size, size_t page_size, ring_buffer_write_tail(header, data_tail); return ret; } + +struct bpf_prog_info_array_desc { + int array_offset; /* e.g. offset of jited_prog_insns */ + int count_offset; /* e.g. offset of jited_prog_len */ + int size_offset; /* > 0: offset of rec size, + * < 0: fix size of -size_offset + */ +}; + +static struct bpf_prog_info_array_desc bpf_prog_info_array_desc[] = { + [BPF_PROG_INFO_JITED_INSNS] = { + offsetof(struct bpf_prog_info, jited_prog_insns), + offsetof(struct bpf_prog_info, jited_prog_len), + -1, + }, + [BPF_PROG_INFO_XLATED_INSNS] = { + offsetof(struct bpf_prog_info, xlated_prog_insns), + offsetof(struct bpf_prog_info, xlated_prog_len), + -1, + }, + [BPF_PROG_INFO_MAP_IDS] = { + offsetof(struct bpf_prog_info, map_ids), + offsetof(struct bpf_prog_info, nr_map_ids), + -(int)sizeof(__u32), + }, + [BPF_PROG_INFO_JITED_KSYMS] = { + offsetof(struct bpf_prog_info, jited_ksyms), + offsetof(struct bpf_prog_info, nr_jited_ksyms), + -(int)sizeof(__u64), + }, + [BPF_PROG_INFO_JITED_FUNC_LENS] = { + offsetof(struct bpf_prog_info, jited_func_lens), + offsetof(struct bpf_prog_info, nr_jited_func_lens), + -(int)sizeof(__u32), + }, + [BPF_PROG_INFO_FUNC_INFO] = { + offsetof(struct bpf_prog_info, func_info), + offsetof(struct bpf_prog_info, nr_func_info), + offsetof(struct bpf_prog_info, func_info_rec_size), + }, + [BPF_PROG_INFO_LINE_INFO] = { + offsetof(struct bpf_prog_info, line_info), + offsetof(struct bpf_prog_info, nr_line_info), + offsetof(struct bpf_prog_info, line_info_rec_size), + }, + [BPF_PROG_INFO_JITED_LINE_INFO] = { + offsetof(struct bpf_prog_info, jited_line_info), + offsetof(struct bpf_prog_info, nr_jited_line_info), + offsetof(struct bpf_prog_info, jited_line_info_rec_size), + }, + [BPF_PROG_INFO_PROG_TAGS] = { + offsetof(struct bpf_prog_info, prog_tags), + offsetof(struct bpf_prog_info, nr_prog_tags), + -(int)sizeof(__u8) * BPF_TAG_SIZE, + }, + +}; + +static __u32 bpf_prog_info_read_offset_u32(struct bpf_prog_info *info, int offset) +{ + __u32 *array = (__u32 *)info; + + if (offset >= 0) + return array[offset / sizeof(__u32)]; + return -(int)offset; +} + +static __u64 bpf_prog_info_read_offset_u64(struct bpf_prog_info *info, int offset) +{ + __u64 *array = (__u64 *)info; + + if (offset >= 0) + return array[offset / sizeof(__u64)]; + return -(int)offset; +} + +static void bpf_prog_info_set_offset_u32(struct bpf_prog_info *info, int offset, + __u32 val) +{ + __u32 *array = (__u32 *)info; + + if (offset >= 0) + array[offset / sizeof(__u32)] = val; +} + +static void bpf_prog_info_set_offset_u64(struct bpf_prog_info *info, int offset, + __u64 val) +{ + __u64 *array = (__u64 *)info; + + if (offset >= 0) + array[offset / sizeof(__u64)] = val; +} + +struct bpf_prog_info_linear * +bpf_program__get_prog_info_linear(int fd, __u64 arrays) +{ + struct bpf_prog_info_linear *info_linear; + struct bpf_prog_info info = {}; + __u32 info_len = sizeof(info); + __u32 data_len = 0; + int i, err; + void *ptr; + + if (arrays >> BPF_PROG_INFO_LAST_ARRAY) + return ERR_PTR(-EINVAL); + + /* step 1: get array dimensions */ + err = bpf_obj_get_info_by_fd(fd, &info, &info_len); + if (err) { + pr_debug("can't get prog info: %s", strerror(errno)); + return ERR_PTR(-EFAULT); + } + + /* step 2: calculate total size of all arrays */ + for (i = BPF_PROG_INFO_FIRST_ARRAY; i < BPF_PROG_INFO_LAST_ARRAY; ++i) { + bool include_array = (arrays & (1UL << i)) > 0; + struct bpf_prog_info_array_desc *desc; + __u32 count, size; + + desc = bpf_prog_info_array_desc + i; + + /* kernel is too old to support this field */ + if (info_len < desc->array_offset + sizeof(__u32) || + info_len < desc->count_offset + sizeof(__u32) || + (desc->size_offset > 0 && info_len < desc->size_offset)) + include_array = false; + + if (!include_array) { + arrays &= ~(1UL << i); /* clear the bit */ + continue; + } + + count = bpf_prog_info_read_offset_u32(&info, desc->count_offset); + size = bpf_prog_info_read_offset_u32(&info, desc->size_offset); + + data_len += count * size; + } + + /* step 3: allocate continuous memory */ + data_len = roundup(data_len, sizeof(__u64)); + info_linear = malloc(sizeof(struct bpf_prog_info_linear) + data_len); + if (!info_linear) + return ERR_PTR(-ENOMEM); + + /* step 4: fill data to info_linear->info */ + info_linear->arrays = arrays; + memset(&info_linear->info, 0, sizeof(info)); + ptr = info_linear->data; + + for (i = BPF_PROG_INFO_FIRST_ARRAY; i < BPF_PROG_INFO_LAST_ARRAY; ++i) { + struct bpf_prog_info_array_desc *desc; + __u32 count, size; + + if ((arrays & (1UL << i)) == 0) + continue; + + desc = bpf_prog_info_array_desc + i; + count = bpf_prog_info_read_offset_u32(&info, desc->count_offset); + size = bpf_prog_info_read_offset_u32(&info, desc->size_offset); + bpf_prog_info_set_offset_u32(&info_linear->info, + desc->count_offset, count); + bpf_prog_info_set_offset_u32(&info_linear->info, + desc->size_offset, size); + bpf_prog_info_set_offset_u64(&info_linear->info, + desc->array_offset, + ptr_to_u64(ptr)); + ptr += count * size; + } + + /* step 5: call syscall again to get required arrays */ + err = bpf_obj_get_info_by_fd(fd, &info_linear->info, &info_len); + if (err) { + pr_debug("can't get prog info: %s", strerror(errno)); + free(info_linear); + return ERR_PTR(-EFAULT); + } + + /* step 6: verify the data */ + for (i = BPF_PROG_INFO_FIRST_ARRAY; i < BPF_PROG_INFO_LAST_ARRAY; ++i) { + struct bpf_prog_info_array_desc *desc; + __u32 v1, v2; + + if ((arrays & (1UL << i)) == 0) + continue; + + desc = bpf_prog_info_array_desc + i; + v1 = bpf_prog_info_read_offset_u32(&info, desc->count_offset); + v2 = bpf_prog_info_read_offset_u32(&info_linear->info, + desc->count_offset); + if (v1 != v2) + pr_warning("%s: mismatch in element count\n", __func__); + + v1 = bpf_prog_info_read_offset_u32(&info, desc->size_offset); + v2 = bpf_prog_info_read_offset_u32(&info_linear->info, + desc->size_offset); + if (v1 != v2) + pr_warning("%s: mismatch in rec size\n", __func__); + } + + /* step 7: update info_len and data_len */ + info_linear->info_len = sizeof(struct bpf_prog_info); + info_linear->data_len = data_len; + + return info_linear; +} + +void bpf_program__bpil_addr_to_offs(struct bpf_prog_info_linear *info_linear) +{ + int i; + + for (i = BPF_PROG_INFO_FIRST_ARRAY; i < BPF_PROG_INFO_LAST_ARRAY; ++i) { + struct bpf_prog_info_array_desc *desc; + __u64 addr, offs; + + if ((info_linear->arrays & (1UL << i)) == 0) + continue; + + desc = bpf_prog_info_array_desc + i; + addr = bpf_prog_info_read_offset_u64(&info_linear->info, + desc->array_offset); + offs = addr - ptr_to_u64(info_linear->data); + bpf_prog_info_set_offset_u64(&info_linear->info, + desc->array_offset, offs); + } +} + +void bpf_program__bpil_offs_to_addr(struct bpf_prog_info_linear *info_linear) +{ + int i; + + for (i = BPF_PROG_INFO_FIRST_ARRAY; i < BPF_PROG_INFO_LAST_ARRAY; ++i) { + struct bpf_prog_info_array_desc *desc; + __u64 addr, offs; + + if ((info_linear->arrays & (1UL << i)) == 0) + continue; + + desc = bpf_prog_info_array_desc + i; + offs = bpf_prog_info_read_offset_u64(&info_linear->info, + desc->array_offset); + addr = offs + ptr_to_u64(info_linear->data); + bpf_prog_info_set_offset_u64(&info_linear->info, + desc->array_offset, addr); + } +} diff --git a/tools/lib/bpf/libbpf.h b/tools/lib/bpf/libbpf.h index b4652aa1a58a..c70785cc8ef5 100644 --- a/tools/lib/bpf/libbpf.h +++ b/tools/lib/bpf/libbpf.h @@ -10,6 +10,7 @@ #ifndef __LIBBPF_LIBBPF_H #define __LIBBPF_LIBBPF_H +#include <stdarg.h> #include <stdio.h> #include <stdint.h> #include <stdbool.h> @@ -377,6 +378,69 @@ LIBBPF_API bool bpf_probe_map_type(enum bpf_map_type map_type, __u32 ifindex); LIBBPF_API bool bpf_probe_helper(enum bpf_func_id id, enum bpf_prog_type prog_type, __u32 ifindex); +/* + * Get bpf_prog_info in continuous memory + * + * struct bpf_prog_info has multiple arrays. The user has option to choose + * arrays to fetch from kernel. The following APIs provide an uniform way to + * fetch these data. All arrays in bpf_prog_info are stored in a single + * continuous memory region. This makes it easy to store the info in a + * file. + * + * Before writing bpf_prog_info_linear to files, it is necessary to + * translate pointers in bpf_prog_info to offsets. Helper functions + * bpf_program__bpil_addr_to_offs() and bpf_program__bpil_offs_to_addr() + * are introduced to switch between pointers and offsets. + * + * Examples: + * # To fetch map_ids and prog_tags: + * __u64 arrays = (1UL << BPF_PROG_INFO_MAP_IDS) | + * (1UL << BPF_PROG_INFO_PROG_TAGS); + * struct bpf_prog_info_linear *info_linear = + * bpf_program__get_prog_info_linear(fd, arrays); + * + * # To save data in file + * bpf_program__bpil_addr_to_offs(info_linear); + * write(f, info_linear, sizeof(*info_linear) + info_linear->data_len); + * + * # To read data from file + * read(f, info_linear, <proper_size>); + * bpf_program__bpil_offs_to_addr(info_linear); + */ +enum bpf_prog_info_array { + BPF_PROG_INFO_FIRST_ARRAY = 0, + BPF_PROG_INFO_JITED_INSNS = 0, + BPF_PROG_INFO_XLATED_INSNS, + BPF_PROG_INFO_MAP_IDS, + BPF_PROG_INFO_JITED_KSYMS, + BPF_PROG_INFO_JITED_FUNC_LENS, + BPF_PROG_INFO_FUNC_INFO, + BPF_PROG_INFO_LINE_INFO, + BPF_PROG_INFO_JITED_LINE_INFO, + BPF_PROG_INFO_PROG_TAGS, + BPF_PROG_INFO_LAST_ARRAY, +}; + +struct bpf_prog_info_linear { + /* size of struct bpf_prog_info, when the tool is compiled */ + __u32 info_len; + /* total bytes allocated for data, round up to 8 bytes */ + __u32 data_len; + /* which arrays are included in data */ + __u64 arrays; + struct bpf_prog_info info; + __u8 data[]; +}; + +LIBBPF_API struct bpf_prog_info_linear * +bpf_program__get_prog_info_linear(int fd, __u64 arrays); + +LIBBPF_API void +bpf_program__bpil_addr_to_offs(struct bpf_prog_info_linear *info_linear); + +LIBBPF_API void +bpf_program__bpil_offs_to_addr(struct bpf_prog_info_linear *info_linear); + #ifdef __cplusplus } /* extern "C" */ #endif diff --git a/tools/lib/bpf/libbpf.map b/tools/lib/bpf/libbpf.map index 778a26702a70..f3ce50500cf2 100644 --- a/tools/lib/bpf/libbpf.map +++ b/tools/lib/bpf/libbpf.map @@ -153,4 +153,7 @@ LIBBPF_0.0.2 { xsk_socket__delete; xsk_umem__fd; xsk_socket__fd; + bpf_program__get_prog_info_linear; + bpf_program__bpil_addr_to_offs; + bpf_program__bpil_offs_to_addr; } LIBBPF_0.0.1; diff --git a/tools/lib/bpf/xsk.c b/tools/lib/bpf/xsk.c index f98ac82c9aea..8d0078b65486 100644 --- a/tools/lib/bpf/xsk.c +++ b/tools/lib/bpf/xsk.c @@ -126,8 +126,8 @@ static void xsk_set_umem_config(struct xsk_umem_config *cfg, cfg->frame_headroom = usr_cfg->frame_headroom; } -static void xsk_set_xdp_socket_config(struct xsk_socket_config *cfg, - const struct xsk_socket_config *usr_cfg) +static int xsk_set_xdp_socket_config(struct xsk_socket_config *cfg, + const struct xsk_socket_config *usr_cfg) { if (!usr_cfg) { cfg->rx_size = XSK_RING_CONS__DEFAULT_NUM_DESCS; @@ -135,14 +135,19 @@ static void xsk_set_xdp_socket_config(struct xsk_socket_config *cfg, cfg->libbpf_flags = 0; cfg->xdp_flags = 0; cfg->bind_flags = 0; - return; + return 0; } + if (usr_cfg->libbpf_flags & ~XSK_LIBBPF_FLAGS__INHIBIT_PROG_LOAD) + return -EINVAL; + cfg->rx_size = usr_cfg->rx_size; cfg->tx_size = usr_cfg->tx_size; cfg->libbpf_flags = usr_cfg->libbpf_flags; cfg->xdp_flags = usr_cfg->xdp_flags; cfg->bind_flags = usr_cfg->bind_flags; + + return 0; } int xsk_umem__create(struct xsk_umem **umem_ptr, void *umem_area, __u64 size, @@ -557,7 +562,9 @@ int xsk_socket__create(struct xsk_socket **xsk_ptr, const char *ifname, } strncpy(xsk->ifname, ifname, IFNAMSIZ); - xsk_set_xdp_socket_config(&xsk->config, usr_config); + err = xsk_set_xdp_socket_config(&xsk->config, usr_config); + if (err) + goto out_socket; if (rx) { err = setsockopt(xsk->fd, SOL_XDP, XDP_RX_RING, diff --git a/tools/objtool/Makefile b/tools/objtool/Makefile index c9d038f91af6..53f8be0f4a1f 100644 --- a/tools/objtool/Makefile +++ b/tools/objtool/Makefile @@ -25,14 +25,17 @@ LIBSUBCMD = $(LIBSUBCMD_OUTPUT)libsubcmd.a OBJTOOL := $(OUTPUT)objtool OBJTOOL_IN := $(OBJTOOL)-in.o +LIBELF_FLAGS := $(shell pkg-config libelf --cflags 2>/dev/null) +LIBELF_LIBS := $(shell pkg-config libelf --libs 2>/dev/null || echo -lelf) + all: $(OBJTOOL) INCLUDES := -I$(srctree)/tools/include \ -I$(srctree)/tools/arch/$(HOSTARCH)/include/uapi \ -I$(srctree)/tools/objtool/arch/$(ARCH)/include WARNINGS := $(EXTRA_WARNINGS) -Wno-switch-default -Wno-switch-enum -Wno-packed -CFLAGS += -Werror $(WARNINGS) $(KBUILD_HOSTCFLAGS) -g $(INCLUDES) -LDFLAGS += -lelf $(LIBSUBCMD) $(KBUILD_HOSTLDFLAGS) +CFLAGS += -Werror $(WARNINGS) $(KBUILD_HOSTCFLAGS) -g $(INCLUDES) $(LIBELF_FLAGS) +LDFLAGS += $(LIBELF_LIBS) $(LIBSUBCMD) $(KBUILD_HOSTLDFLAGS) # Allow old libelf to be used: elfshdr := $(shell echo '$(pound)include <libelf.h>' | $(CC) $(CFLAGS) -x c -E - | grep elf_getshdr) diff --git a/tools/objtool/check.c b/tools/objtool/check.c index 0414a0d52262..5dde107083c6 100644 --- a/tools/objtool/check.c +++ b/tools/objtool/check.c @@ -2184,9 +2184,10 @@ static void cleanup(struct objtool_file *file) elf_close(file->elf); } +static struct objtool_file file; + int check(const char *_objname, bool orc) { - struct objtool_file file; int ret, warnings = 0; objname = _objname; diff --git a/tools/perf/Documentation/Build.txt b/tools/perf/Documentation/Build.txt index f6fc6507ba55..3766886c4bca 100644 --- a/tools/perf/Documentation/Build.txt +++ b/tools/perf/Documentation/Build.txt @@ -47,3 +47,27 @@ Those objects are then used in final linking: NOTE this description is omitting other libraries involved, only focusing on build framework outcomes + +3) Build with ASan or UBSan +========================== + $ cd tools/perf + $ make DESTDIR=/usr + $ make DESTDIR=/usr install + +AddressSanitizer (or ASan) is a GCC feature that detects memory corruption bugs +such as buffer overflows and memory leaks. + + $ cd tools/perf + $ make DEBUG=1 EXTRA_CFLAGS='-fno-omit-frame-pointer -fsanitize=address' + $ ASAN_OPTIONS=log_path=asan.log ./perf record -a + +ASan outputs all detected issues into a log file named 'asan.log.<pid>'. + +UndefinedBehaviorSanitizer (or UBSan) is a fast undefined behavior detector +supported by GCC. UBSan detects undefined behaviors of programs at runtime. + + $ cd tools/perf + $ make DEBUG=1 EXTRA_CFLAGS='-fno-omit-frame-pointer -fsanitize=undefined' + $ UBSAN_OPTIONS=print_stacktrace=1 ./perf record -a + +If UBSan detects any problem at runtime, it outputs a “runtime error:” message. diff --git a/tools/perf/Documentation/perf-config.txt b/tools/perf/Documentation/perf-config.txt index 86f3dcc15f83..462b3cde0675 100644 --- a/tools/perf/Documentation/perf-config.txt +++ b/tools/perf/Documentation/perf-config.txt @@ -114,7 +114,7 @@ Given a $HOME/.perfconfig like this: [report] # Defaults - sort-order = comm,dso,symbol + sort_order = comm,dso,symbol percent-limit = 0 queue-size = 0 children = true @@ -584,6 +584,20 @@ llvm.*:: llvm.opts:: Options passed to llc. +samples.*:: + + samples.context:: + Define how many ns worth of time to show + around samples in perf report sample context browser. + +scripts.*:: + + Any option defines a script that is added to the scripts menu + in the interactive perf browser and whose output is displayed. + The name of the option is the name, the value is a script command line. + The script gets the same options passed as a full perf script, + in particular -i perfdata file, --cpu, --tid + SEE ALSO -------- linkperf:perf[1] diff --git a/tools/perf/Documentation/perf-record.txt b/tools/perf/Documentation/perf-record.txt index 8f0c2be34848..8fe4dffcadd0 100644 --- a/tools/perf/Documentation/perf-record.txt +++ b/tools/perf/Documentation/perf-record.txt @@ -495,6 +495,10 @@ overhead. You can still switch them on with: --switch-output --no-no-buildid --no-no-buildid-cache +--switch-max-files=N:: + +When rotating perf.data with --switch-output, only keep N files. + --dry-run:: Parse options then exit. --dry-run can be used to detect errors in cmdline options. diff --git a/tools/perf/Documentation/perf-report.txt b/tools/perf/Documentation/perf-report.txt index 1a27bfe05039..f441baa794ce 100644 --- a/tools/perf/Documentation/perf-report.txt +++ b/tools/perf/Documentation/perf-report.txt @@ -105,6 +105,8 @@ OPTIONS guest machine - sample: Number of sample - period: Raw number of event count of sample + - time: Separate the samples by time stamp with the resolution specified by + --time-quantum (default 100ms). Specify with overhead and before it. By default, comm, dso and symbol keys are used. (i.e. --sort comm,dso,symbol) @@ -459,6 +461,10 @@ include::itrace.txt[] --socket-filter:: Only report the samples on the processor socket that match with this filter +--samples=N:: + Save N individual samples for each histogram entry to show context in perf + report tui browser. + --raw-trace:: When displaying traceevent output, do not use print fmt or plugins. @@ -477,6 +483,9 @@ include::itrace.txt[] Please note that not all mmaps are stored, options affecting which ones are include 'perf record --data', for instance. +--ns:: + Show time stamps in nanoseconds. + --stats:: Display overall events statistics without any further processing. (like the one at the end of the perf report -D command) @@ -494,6 +503,10 @@ include::itrace.txt[] The period/hits keywords set the base the percentage is computed on - the samples period or the number of samples (hits). +--time-quantum:: + Configure time quantum for time sort key. Default 100ms. + Accepts s, us, ms, ns units. + include::callchain-overhead-calculation.txt[] SEE ALSO diff --git a/tools/perf/Documentation/perf-script.txt b/tools/perf/Documentation/perf-script.txt index 2e19fd7ffe35..9b0d04dd2a61 100644 --- a/tools/perf/Documentation/perf-script.txt +++ b/tools/perf/Documentation/perf-script.txt @@ -380,6 +380,9 @@ include::itrace.txt[] Set the maximum number of program blocks to print with brstackasm for each sample. +--reltime:: + Print time stamps relative to trace start. + --per-event-dump:: Create per event files with a "perf.data.EVENT.dump" name instead of printing to stdout, useful, for instance, for generating flamegraphs. diff --git a/tools/perf/Documentation/perf-stat.txt b/tools/perf/Documentation/perf-stat.txt index 4bc2085e5197..39c05f89104e 100644 --- a/tools/perf/Documentation/perf-stat.txt +++ b/tools/perf/Documentation/perf-stat.txt @@ -72,9 +72,8 @@ report:: --all-cpus:: system-wide collection from all CPUs (default if no target is specified) --c:: ---scale:: - scale/normalize counter values +--no-scale:: + Don't scale/normalize counter values -d:: --detailed:: diff --git a/tools/perf/Documentation/tips.txt b/tools/perf/Documentation/tips.txt index 849599f39c5e..869965d629ce 100644 --- a/tools/perf/Documentation/tips.txt +++ b/tools/perf/Documentation/tips.txt @@ -15,6 +15,7 @@ To see callchains in a more compact form: perf report -g folded Show individual samples with: perf script Limit to show entries above 5% only: perf report --percent-limit 5 Profiling branch (mis)predictions with: perf record -b / perf report +To show assembler sample contexts use perf record -b / perf script -F +brstackinsn --xed Treat branches as callchains: perf report --branch-history To count events in every 1000 msec: perf stat -I 1000 Print event counts in CSV format with: perf stat -x, @@ -34,3 +35,9 @@ Show current config key-value pairs: perf config --list Show user configuration overrides: perf config --user --list To add Node.js USDT(User-Level Statically Defined Tracing): perf buildid-cache --add `which node` To report cacheline events from previous recording: perf c2c report +To browse sample contexts use perf report --sample 10 and select in context menu +To separate samples by time use perf report --sort time,overhead,sym +To set sample time separation other than 100ms with --sort time use --time-quantum +Add -I to perf report to sample register values visible in perf report context. +To show IPC for sampling periods use perf record -e '{cycles,instructions}:S' and then browse context +To show context switches in perf report sample context add --switch-events to perf record. diff --git a/tools/perf/Makefile.config b/tools/perf/Makefile.config index 0f11d5891301..fe3f97e342fa 100644 --- a/tools/perf/Makefile.config +++ b/tools/perf/Makefile.config @@ -227,6 +227,8 @@ FEATURE_CHECK_LDFLAGS-libpython-version := $(PYTHON_EMBED_LDOPTS) FEATURE_CHECK_LDFLAGS-libaio = -lrt +FEATURE_CHECK_LDFLAGS-disassembler-four-args = -lbfd -lopcodes + CFLAGS += -fno-omit-frame-pointer CFLAGS += -ggdb3 CFLAGS += -funwind-tables @@ -713,7 +715,7 @@ else endif ifeq ($(feature-libbfd), 1) - EXTLIBS += -lbfd + EXTLIBS += -lbfd -lopcodes else # we are on a system that requires -liberty and (maybe) -lz # to link against -lbfd; test each case individually here @@ -724,12 +726,15 @@ else $(call feature_check,libbfd-liberty-z) ifeq ($(feature-libbfd-liberty), 1) - EXTLIBS += -lbfd -liberty + EXTLIBS += -lbfd -lopcodes -liberty + FEATURE_CHECK_LDFLAGS-disassembler-four-args += -liberty -ldl else ifeq ($(feature-libbfd-liberty-z), 1) - EXTLIBS += -lbfd -liberty -lz + EXTLIBS += -lbfd -lopcodes -liberty -lz + FEATURE_CHECK_LDFLAGS-disassembler-four-args += -liberty -lz -ldl endif endif + $(call feature_check,disassembler-four-args) endif ifdef NO_DEMANGLE @@ -808,6 +813,10 @@ ifdef HAVE_KVM_STAT_SUPPORT CFLAGS += -DHAVE_KVM_STAT_SUPPORT endif +ifeq ($(feature-disassembler-four-args), 1) + CFLAGS += -DDISASM_FOUR_ARGS_SIGNATURE +endif + ifeq (${IS_64_BIT}, 1) ifndef NO_PERF_READ_VDSO32 $(call feature_check,compile-32) diff --git a/tools/perf/Makefile.perf b/tools/perf/Makefile.perf index 01f7555fd933..e8c9f77e9010 100644 --- a/tools/perf/Makefile.perf +++ b/tools/perf/Makefile.perf @@ -481,8 +481,8 @@ $(madvise_behavior_array): $(madvise_hdr_dir)/mman-common.h $(madvise_behavior_t mmap_flags_array := $(beauty_outdir)/mmap_flags_array.c mmap_flags_tbl := $(srctree)/tools/perf/trace/beauty/mmap_flags.sh -$(mmap_flags_array): $(asm_generic_uapi_dir)/mman.h $(asm_generic_uapi_dir)/mman-common.h $(mmap_flags_tbl) - $(Q)$(SHELL) '$(mmap_flags_tbl)' $(asm_generic_uapi_dir) $(arch_asm_uapi_dir) > $@ +$(mmap_flags_array): $(linux_uapi_dir)/mman.h $(asm_generic_uapi_dir)/mman.h $(asm_generic_uapi_dir)/mman-common.h $(mmap_flags_tbl) + $(Q)$(SHELL) '$(mmap_flags_tbl)' $(linux_uapi_dir) $(asm_generic_uapi_dir) $(arch_asm_uapi_dir) > $@ mount_flags_array := $(beauty_outdir)/mount_flags_array.c mount_flags_tbl := $(srctree)/tools/perf/trace/beauty/mount_flags.sh diff --git a/tools/perf/arch/x86/entry/syscalls/syscall_64.tbl b/tools/perf/arch/x86/entry/syscalls/syscall_64.tbl index f0b1709a5ffb..92ee0b4378d4 100644 --- a/tools/perf/arch/x86/entry/syscalls/syscall_64.tbl +++ b/tools/perf/arch/x86/entry/syscalls/syscall_64.tbl @@ -343,6 +343,12 @@ 332 common statx __x64_sys_statx 333 common io_pgetevents __x64_sys_io_pgetevents 334 common rseq __x64_sys_rseq +# don't use numbers 387 through 423, add new calls after the last +# 'common' entry +424 common pidfd_send_signal __x64_sys_pidfd_send_signal +425 common io_uring_setup __x64_sys_io_uring_setup +426 common io_uring_enter __x64_sys_io_uring_enter +427 common io_uring_register __x64_sys_io_uring_register # # x32-specific system call numbers start at 512 to avoid cache impact @@ -361,7 +367,7 @@ 520 x32 execve __x32_compat_sys_execve/ptregs 521 x32 ptrace __x32_compat_sys_ptrace 522 x32 rt_sigpending __x32_compat_sys_rt_sigpending -523 x32 rt_sigtimedwait __x32_compat_sys_rt_sigtimedwait +523 x32 rt_sigtimedwait __x32_compat_sys_rt_sigtimedwait_time64 524 x32 rt_sigqueueinfo __x32_compat_sys_rt_sigqueueinfo 525 x32 sigaltstack __x32_compat_sys_sigaltstack 526 x32 timer_create __x32_compat_sys_timer_create @@ -375,7 +381,7 @@ 534 x32 preadv __x32_compat_sys_preadv64 535 x32 pwritev __x32_compat_sys_pwritev64 536 x32 rt_tgsigqueueinfo __x32_compat_sys_rt_tgsigqueueinfo -537 x32 recvmmsg __x32_compat_sys_recvmmsg +537 x32 recvmmsg __x32_compat_sys_recvmmsg_time64 538 x32 sendmmsg __x32_compat_sys_sendmmsg 539 x32 process_vm_readv __x32_compat_sys_process_vm_readv 540 x32 process_vm_writev __x32_compat_sys_process_vm_writev diff --git a/tools/perf/arch/x86/util/Build b/tools/perf/arch/x86/util/Build index 7aab0be5fc5f..47f9c56e744f 100644 --- a/tools/perf/arch/x86/util/Build +++ b/tools/perf/arch/x86/util/Build @@ -14,5 +14,6 @@ perf-$(CONFIG_LOCAL_LIBUNWIND) += unwind-libunwind.o perf-$(CONFIG_LIBDW_DWARF_UNWIND) += unwind-libdw.o perf-$(CONFIG_AUXTRACE) += auxtrace.o +perf-$(CONFIG_AUXTRACE) += archinsn.o perf-$(CONFIG_AUXTRACE) += intel-pt.o perf-$(CONFIG_AUXTRACE) += intel-bts.o diff --git a/tools/perf/arch/x86/util/archinsn.c b/tools/perf/arch/x86/util/archinsn.c new file mode 100644 index 000000000000..4237bb2e7fa2 --- /dev/null +++ b/tools/perf/arch/x86/util/archinsn.c @@ -0,0 +1,26 @@ +// SPDX-License-Identifier: GPL-2.0 +#include "perf.h" +#include "archinsn.h" +#include "util/intel-pt-decoder/insn.h" +#include "machine.h" +#include "thread.h" +#include "symbol.h" + +void arch_fetch_insn(struct perf_sample *sample, + struct thread *thread, + struct machine *machine) +{ + struct insn insn; + int len; + bool is64bit = false; + + if (!sample->ip) + return; + len = thread__memcpy(thread, machine, sample->insn, sample->ip, sizeof(sample->insn), &is64bit); + if (len <= 0) + return; + insn_init(&insn, sample->insn, len, is64bit); + insn_get_length(&insn); + if (insn_complete(&insn) && insn.length <= len) + sample->insn_len = insn.length; +} diff --git a/tools/perf/bench/epoll-ctl.c b/tools/perf/bench/epoll-ctl.c index 0c0a6e824934..2af067859966 100644 --- a/tools/perf/bench/epoll-ctl.c +++ b/tools/perf/bench/epoll-ctl.c @@ -224,7 +224,7 @@ static int do_threads(struct worker *worker, struct cpu_map *cpu) pthread_attr_t thread_attr, *attrp = NULL; cpu_set_t cpuset; unsigned int i, j; - int ret; + int ret = 0; if (!noaffinity) pthread_attr_init(&thread_attr); diff --git a/tools/perf/bench/epoll-wait.c b/tools/perf/bench/epoll-wait.c index 5a11534e96a0..fe85448abd45 100644 --- a/tools/perf/bench/epoll-wait.c +++ b/tools/perf/bench/epoll-wait.c @@ -293,7 +293,7 @@ static int do_threads(struct worker *worker, struct cpu_map *cpu) pthread_attr_t thread_attr, *attrp = NULL; cpu_set_t cpuset; unsigned int i, j; - int ret, events = EPOLLIN; + int ret = 0, events = EPOLLIN; if (oneshot) events |= EPOLLONESHOT; diff --git a/tools/perf/builtin-list.c b/tools/perf/builtin-list.c index c9f98d00c0e9..a8394b4f1167 100644 --- a/tools/perf/builtin-list.c +++ b/tools/perf/builtin-list.c @@ -119,7 +119,7 @@ int cmd_list(int argc, const char **argv) details_flag); print_tracepoint_events(NULL, s, raw_dump); print_sdt_events(NULL, s, raw_dump); - metricgroup__print(true, true, NULL, raw_dump, details_flag); + metricgroup__print(true, true, s, raw_dump, details_flag); free(s); } } diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c index f3f7f3100336..4e2d953d4bc5 100644 --- a/tools/perf/builtin-record.c +++ b/tools/perf/builtin-record.c @@ -62,6 +62,9 @@ struct switch_output { unsigned long time; const char *str; bool set; + char **filenames; + int num_files; + int cur_file; }; struct record { @@ -392,7 +395,7 @@ static int record__process_auxtrace(struct perf_tool *tool, size_t padding; u8 pad[8] = {0}; - if (!perf_data__is_pipe(data)) { + if (!perf_data__is_pipe(data) && !perf_data__is_dir(data)) { off_t file_offset; int fd = perf_data__fd(data); int err; @@ -837,6 +840,8 @@ static void record__init_features(struct record *rec) if (!(rec->opts.use_clockid && rec->opts.clockid_res_ns)) perf_header__clear_feat(&session->header, HEADER_CLOCKID); + perf_header__clear_feat(&session->header, HEADER_DIR_FORMAT); + perf_header__clear_feat(&session->header, HEADER_STAT); } @@ -890,6 +895,7 @@ record__switch_output(struct record *rec, bool at_exit) { struct perf_data *data = &rec->data; int fd, err; + char *new_filename; /* Same Size: "2015122520103046"*/ char timestamp[] = "InvalidTimestamp"; @@ -910,7 +916,7 @@ record__switch_output(struct record *rec, bool at_exit) fd = perf_data__switch(data, timestamp, rec->session->header.data_offset, - at_exit); + at_exit, &new_filename); if (fd >= 0 && !at_exit) { rec->bytes_written = 0; rec->session->header.data_size = 0; @@ -920,6 +926,21 @@ record__switch_output(struct record *rec, bool at_exit) fprintf(stderr, "[ perf record: Dump %s.%s ]\n", data->path, timestamp); + if (rec->switch_output.num_files) { + int n = rec->switch_output.cur_file + 1; + + if (n >= rec->switch_output.num_files) + n = 0; + rec->switch_output.cur_file = n; + if (rec->switch_output.filenames[n]) { + remove(rec->switch_output.filenames[n]); + free(rec->switch_output.filenames[n]); + } + rec->switch_output.filenames[n] = new_filename; + } else { + free(new_filename); + } + /* Output tracking events */ if (!at_exit) { record__synthesize(rec, false); @@ -1093,7 +1114,7 @@ static int record__synthesize(struct record *rec, bool tail) return err; } - err = perf_event__synthesize_bpf_events(tool, process_synthesized_event, + err = perf_event__synthesize_bpf_events(session, process_synthesized_event, machine, opts); if (err < 0) pr_warning("Couldn't synthesize bpf events.\n"); @@ -1116,6 +1137,7 @@ static int __cmd_record(struct record *rec, int argc, const char **argv) struct perf_data *data = &rec->data; struct perf_session *session; bool disabled = false, draining = false; + struct perf_evlist *sb_evlist = NULL; int fd; atexit(record__sig_exit); @@ -1216,6 +1238,14 @@ static int __cmd_record(struct record *rec, int argc, const char **argv) goto out_child; } + if (!opts->no_bpf_event) + bpf_event__add_sb_event(&sb_evlist, &session->header.env); + + if (perf_evlist__start_sb_thread(sb_evlist, &rec->opts.target)) { + pr_debug("Couldn't start the BPF side band thread:\nBPF programs starting from now on won't be annotatable\n"); + opts->no_bpf_event = true; + } + err = record__synthesize(rec, false); if (err < 0) goto out_child; @@ -1466,6 +1496,9 @@ out_child: out_delete_session: perf_session__delete(session); + + if (!opts->no_bpf_event) + perf_evlist__stop_sb_thread(sb_evlist); return status; } @@ -1870,7 +1903,7 @@ static struct option __record_options[] = { OPT_BOOLEAN(0, "tail-synthesize", &record.opts.tail_synthesize, "synthesize non-sample events at the end of output"), OPT_BOOLEAN(0, "overwrite", &record.opts.overwrite, "use overwrite mode"), - OPT_BOOLEAN(0, "bpf-event", &record.opts.bpf_event, "record bpf events"), + OPT_BOOLEAN(0, "no-bpf-event", &record.opts.no_bpf_event, "record bpf events"), OPT_BOOLEAN(0, "strict-freq", &record.opts.strict_freq, "Fail if the specified frequency can't be used"), OPT_CALLBACK('F', "freq", &record.opts, "freq or 'max'", @@ -1968,9 +2001,11 @@ static struct option __record_options[] = { OPT_BOOLEAN(0, "timestamp-boundary", &record.timestamp_boundary, "Record timestamp boundary (time of first/last samples)"), OPT_STRING_OPTARG_SET(0, "switch-output", &record.switch_output.str, - &record.switch_output.set, "signal,size,time", - "Switch output when receive SIGUSR2 or cross size,time threshold", + &record.switch_output.set, "signal or size[BKMG] or time[smhd]", + "Switch output when receiving SIGUSR2 (signal) or cross a size or time threshold", "signal"), + OPT_INTEGER(0, "switch-max-files", &record.switch_output.num_files, + "Limit number of switch output generated files"), OPT_BOOLEAN(0, "dry-run", &dry_run, "Parse options then exit"), #ifdef HAVE_AIO_SUPPORT @@ -2057,6 +2092,13 @@ int cmd_record(int argc, const char **argv) alarm(rec->switch_output.time); } + if (rec->switch_output.num_files) { + rec->switch_output.filenames = calloc(sizeof(char *), + rec->switch_output.num_files); + if (!rec->switch_output.filenames) + return -EINVAL; + } + /* * Allow aliases to facilitate the lookup of symbols for address * filters. Refer to auxtrace_parse_filters(). diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c index ee93c18a6685..4054eb1f98ac 100644 --- a/tools/perf/builtin-report.c +++ b/tools/perf/builtin-report.c @@ -47,9 +47,11 @@ #include <errno.h> #include <inttypes.h> #include <regex.h> +#include "sane_ctype.h" #include <signal.h> #include <linux/bitmap.h> #include <linux/stringify.h> +#include <linux/time64.h> #include <sys/types.h> #include <sys/stat.h> #include <unistd.h> @@ -926,6 +928,43 @@ report_parse_callchain_opt(const struct option *opt, const char *arg, int unset) return parse_callchain_report_opt(arg); } +static int +parse_time_quantum(const struct option *opt, const char *arg, + int unset __maybe_unused) +{ + unsigned long *time_q = opt->value; + char *end; + + *time_q = strtoul(arg, &end, 0); + if (end == arg) + goto parse_err; + if (*time_q == 0) { + pr_err("time quantum cannot be 0"); + return -1; + } + while (isspace(*end)) + end++; + if (*end == 0) + return 0; + if (!strcmp(end, "s")) { + *time_q *= NSEC_PER_SEC; + return 0; + } + if (!strcmp(end, "ms")) { + *time_q *= NSEC_PER_MSEC; + return 0; + } + if (!strcmp(end, "us")) { + *time_q *= NSEC_PER_USEC; + return 0; + } + if (!strcmp(end, "ns")) + return 0; +parse_err: + pr_err("Cannot parse time quantum `%s'\n", arg); + return -1; +} + int report_parse_ignore_callees_opt(const struct option *opt __maybe_unused, const char *arg, int unset __maybe_unused) @@ -1044,10 +1083,9 @@ int cmd_report(int argc, const char **argv) OPT_BOOLEAN(0, "header-only", &report.header_only, "Show only data header."), OPT_STRING('s', "sort", &sort_order, "key[,key2...]", - "sort by key(s): pid, comm, dso, symbol, parent, cpu, srcline, ..." - " Please refer the man page for the complete list."), + sort_help("sort by key(s):")), OPT_STRING('F', "fields", &field_order, "key[,keys...]", - "output field(s): overhead, period, sample plus all of sort keys"), + sort_help("output field(s): overhead period sample ")), OPT_BOOLEAN(0, "show-cpu-utilization", &symbol_conf.show_cpu_utilization, "Show sample percentage for different cpu modes"), OPT_BOOLEAN_FLAG(0, "showcpuutilization", &symbol_conf.show_cpu_utilization, @@ -1120,6 +1158,8 @@ int cmd_report(int argc, const char **argv) OPT_BOOLEAN(0, "demangle-kernel", &symbol_conf.demangle_kernel, "Enable kernel symbol demangling"), OPT_BOOLEAN(0, "mem-mode", &report.mem_mode, "mem access profile"), + OPT_INTEGER(0, "samples", &symbol_conf.res_sample, + "Number of samples to save per histogram entry for individual browsing"), OPT_CALLBACK(0, "percent-limit", &report, "percent", "Don't show entries under that percent", parse_percent_limit), OPT_CALLBACK(0, "percentage", NULL, "relative|absolute", @@ -1147,6 +1187,10 @@ int cmd_report(int argc, const char **argv) OPT_CALLBACK(0, "percent-type", &report.annotation_opts, "local-period", "Set percent type local/global-period/hits", annotate_parse_percent_type), + OPT_BOOLEAN(0, "ns", &symbol_conf.nanosecs, "Show times in nanosecs"), + OPT_CALLBACK(0, "time-quantum", &symbol_conf.time_quantum, "time (ms|us|ns|s)", + "Set time quantum for time sort key (default 100ms)", + parse_time_quantum), OPT_END() }; struct perf_data data = { diff --git a/tools/perf/builtin-script.c b/tools/perf/builtin-script.c index 53f78cf3113f..61cfd8f70989 100644 --- a/tools/perf/builtin-script.c +++ b/tools/perf/builtin-script.c @@ -29,10 +29,12 @@ #include "util/time-utils.h" #include "util/path.h" #include "print_binary.h" +#include "archinsn.h" #include <linux/bitmap.h> #include <linux/kernel.h> #include <linux/stringify.h> #include <linux/time64.h> +#include <sys/utsname.h> #include "asm/bug.h" #include "util/mem-events.h" #include "util/dump-insn.h" @@ -51,6 +53,8 @@ static char const *script_name; static char const *generate_script_lang; +static bool reltime; +static u64 initial_time; static bool debug_mode; static u64 last_timestamp; static u64 nr_unordered; @@ -58,11 +62,11 @@ static bool no_callchain; static bool latency_format; static bool system_wide; static bool print_flags; -static bool nanosecs; static const char *cpu_list; static DECLARE_BITMAP(cpu_bitmap, MAX_NR_CPUS); static struct perf_stat_config stat_config; static int max_blocks; +static bool native_arch; unsigned int scripting_max_stack = PERF_MAX_STACK_DEPTH; @@ -684,15 +688,21 @@ static int perf_sample__fprintf_start(struct perf_sample *sample, } if (PRINT_FIELD(TIME)) { - nsecs = sample->time; + u64 t = sample->time; + if (reltime) { + if (!initial_time) + initial_time = sample->time; + t = sample->time - initial_time; + } + nsecs = t; secs = nsecs / NSEC_PER_SEC; nsecs -= secs * NSEC_PER_SEC; - if (nanosecs) + if (symbol_conf.nanosecs) printed += fprintf(fp, "%5lu.%09llu: ", secs, nsecs); else { char sample_time[32]; - timestamp__scnprintf_usec(sample->time, sample_time, sizeof(sample_time)); + timestamp__scnprintf_usec(t, sample_time, sizeof(sample_time)); printed += fprintf(fp, "%12s: ", sample_time); } } @@ -1227,6 +1237,12 @@ static int perf_sample__fprintf_callindent(struct perf_sample *sample, return len + dlen; } +__weak void arch_fetch_insn(struct perf_sample *sample __maybe_unused, + struct thread *thread __maybe_unused, + struct machine *machine __maybe_unused) +{ +} + static int perf_sample__fprintf_insn(struct perf_sample *sample, struct perf_event_attr *attr, struct thread *thread, @@ -1234,9 +1250,12 @@ static int perf_sample__fprintf_insn(struct perf_sample *sample, { int printed = 0; + if (sample->insn_len == 0 && native_arch) + arch_fetch_insn(sample, thread, machine); + if (PRINT_FIELD(INSNLEN)) printed += fprintf(fp, " ilen: %d", sample->insn_len); - if (PRINT_FIELD(INSN)) { + if (PRINT_FIELD(INSN) && sample->insn_len) { int i; printed += fprintf(fp, " insn:"); @@ -1922,6 +1941,13 @@ static int cleanup_scripting(void) return scripting_ops ? scripting_ops->stop_script() : 0; } +static bool filter_cpu(struct perf_sample *sample) +{ + if (cpu_list) + return !test_bit(sample->cpu, cpu_bitmap); + return false; +} + static int process_sample_event(struct perf_tool *tool, union perf_event *event, struct perf_sample *sample, @@ -1956,7 +1982,7 @@ static int process_sample_event(struct perf_tool *tool, if (al.filtered) goto out_put; - if (cpu_list && !test_bit(sample->cpu, cpu_bitmap)) + if (filter_cpu(sample)) goto out_put; if (scripting_ops) @@ -2041,9 +2067,11 @@ static int process_comm_event(struct perf_tool *tool, sample->tid = event->comm.tid; sample->pid = event->comm.pid; } - perf_sample__fprintf_start(sample, thread, evsel, + if (!filter_cpu(sample)) { + perf_sample__fprintf_start(sample, thread, evsel, PERF_RECORD_COMM, stdout); - perf_event__fprintf(event, stdout); + perf_event__fprintf(event, stdout); + } ret = 0; out: thread__put(thread); @@ -2077,9 +2105,11 @@ static int process_namespaces_event(struct perf_tool *tool, sample->tid = event->namespaces.tid; sample->pid = event->namespaces.pid; } - perf_sample__fprintf_start(sample, thread, evsel, - PERF_RECORD_NAMESPACES, stdout); - perf_event__fprintf(event, stdout); + if (!filter_cpu(sample)) { + perf_sample__fprintf_start(sample, thread, evsel, + PERF_RECORD_NAMESPACES, stdout); + perf_event__fprintf(event, stdout); + } ret = 0; out: thread__put(thread); @@ -2111,9 +2141,11 @@ static int process_fork_event(struct perf_tool *tool, sample->tid = event->fork.tid; sample->pid = event->fork.pid; } - perf_sample__fprintf_start(sample, thread, evsel, - PERF_RECORD_FORK, stdout); - perf_event__fprintf(event, stdout); + if (!filter_cpu(sample)) { + perf_sample__fprintf_start(sample, thread, evsel, + PERF_RECORD_FORK, stdout); + perf_event__fprintf(event, stdout); + } thread__put(thread); return 0; @@ -2141,9 +2173,11 @@ static int process_exit_event(struct perf_tool *tool, sample->tid = event->fork.tid; sample->pid = event->fork.pid; } - perf_sample__fprintf_start(sample, thread, evsel, - PERF_RECORD_EXIT, stdout); - perf_event__fprintf(event, stdout); + if (!filter_cpu(sample)) { + perf_sample__fprintf_start(sample, thread, evsel, + PERF_RECORD_EXIT, stdout); + perf_event__fprintf(event, stdout); + } if (perf_event__process_exit(tool, event, sample, machine) < 0) err = -1; @@ -2177,9 +2211,11 @@ static int process_mmap_event(struct perf_tool *tool, sample->tid = event->mmap.tid; sample->pid = event->mmap.pid; } - perf_sample__fprintf_start(sample, thread, evsel, - PERF_RECORD_MMAP, stdout); - perf_event__fprintf(event, stdout); + if (!filter_cpu(sample)) { + perf_sample__fprintf_start(sample, thread, evsel, + PERF_RECORD_MMAP, stdout); + perf_event__fprintf(event, stdout); + } thread__put(thread); return 0; } @@ -2209,9 +2245,11 @@ static int process_mmap2_event(struct perf_tool *tool, sample->tid = event->mmap2.tid; sample->pid = event->mmap2.pid; } - perf_sample__fprintf_start(sample, thread, evsel, - PERF_RECORD_MMAP2, stdout); - perf_event__fprintf(event, stdout); + if (!filter_cpu(sample)) { + perf_sample__fprintf_start(sample, thread, evsel, + PERF_RECORD_MMAP2, stdout); + perf_event__fprintf(event, stdout); + } thread__put(thread); return 0; } @@ -2236,9 +2274,11 @@ static int process_switch_event(struct perf_tool *tool, return -1; } - perf_sample__fprintf_start(sample, thread, evsel, - PERF_RECORD_SWITCH, stdout); - perf_event__fprintf(event, stdout); + if (!filter_cpu(sample)) { + perf_sample__fprintf_start(sample, thread, evsel, + PERF_RECORD_SWITCH, stdout); + perf_event__fprintf(event, stdout); + } thread__put(thread); return 0; } @@ -2259,9 +2299,11 @@ process_lost_event(struct perf_tool *tool, if (thread == NULL) return -1; - perf_sample__fprintf_start(sample, thread, evsel, - PERF_RECORD_LOST, stdout); - perf_event__fprintf(event, stdout); + if (!filter_cpu(sample)) { + perf_sample__fprintf_start(sample, thread, evsel, + PERF_RECORD_LOST, stdout); + perf_event__fprintf(event, stdout); + } thread__put(thread); return 0; } @@ -2948,7 +2990,8 @@ static int check_ev_match(char *dir_name, char *scriptname, * will list all statically runnable scripts, select one, execute it and * show the output in a perf browser. */ -int find_scripts(char **scripts_array, char **scripts_path_array) +int find_scripts(char **scripts_array, char **scripts_path_array, int num, + int pathlen) { struct dirent *script_dirent, *lang_dirent; char scripts_path[MAXPATHLEN], lang_path[MAXPATHLEN]; @@ -2993,7 +3036,10 @@ int find_scripts(char **scripts_array, char **scripts_path_array) /* Skip those real time scripts: xxxtop.p[yl] */ if (strstr(script_dirent->d_name, "top.")) continue; - sprintf(scripts_path_array[i], "%s/%s", lang_path, + if (i >= num) + break; + snprintf(scripts_path_array[i], pathlen, "%s/%s", + lang_path, script_dirent->d_name); temp = strchr(script_dirent->d_name, '.'); snprintf(scripts_array[i], @@ -3232,7 +3278,7 @@ static int parse_insn_trace(const struct option *opt __maybe_unused, { parse_output_fields(NULL, "+insn,-event,-period", 0); itrace_parse_synth_opts(opt, "i0ns", 0); - nanosecs = true; + symbol_conf.nanosecs = true; return 0; } @@ -3250,7 +3296,7 @@ static int parse_call_trace(const struct option *opt __maybe_unused, { parse_output_fields(NULL, "-ip,-addr,-event,-period,+callindent", 0); itrace_parse_synth_opts(opt, "cewp", 0); - nanosecs = true; + symbol_conf.nanosecs = true; return 0; } @@ -3260,7 +3306,7 @@ static int parse_callret_trace(const struct option *opt __maybe_unused, { parse_output_fields(NULL, "-ip,-addr,-event,-period,+callindent,+flags", 0); itrace_parse_synth_opts(opt, "crewp", 0); - nanosecs = true; + symbol_conf.nanosecs = true; return 0; } @@ -3277,6 +3323,7 @@ int cmd_script(int argc, const char **argv) .set = false, .default_no_sample = true, }; + struct utsname uts; char *script_path = NULL; const char **__argv; int i, j, err = 0; @@ -3374,6 +3421,7 @@ int cmd_script(int argc, const char **argv) "Set the maximum stack depth when parsing the callchain, " "anything beyond the specified depth will be ignored. " "Default: kernel.perf_event_max_stack or " __stringify(PERF_MAX_STACK_DEPTH)), + OPT_BOOLEAN(0, "reltime", &reltime, "Show time stamps relative to start"), OPT_BOOLEAN('I', "show-info", &show_full_info, "display extended information from perf.data file"), OPT_BOOLEAN('\0', "show-kernel-path", &symbol_conf.show_kernel_path, @@ -3395,7 +3443,7 @@ int cmd_script(int argc, const char **argv) OPT_BOOLEAN('f', "force", &symbol_conf.force, "don't complain, do it"), OPT_INTEGER(0, "max-blocks", &max_blocks, "Maximum number of code blocks to dump with brstackinsn"), - OPT_BOOLEAN(0, "ns", &nanosecs, + OPT_BOOLEAN(0, "ns", &symbol_conf.nanosecs, "Use 9 decimal places when displaying time"), OPT_CALLBACK_OPTARG(0, "itrace", &itrace_synth_opts, NULL, "opts", "Instruction Tracing options\n" ITRACE_HELP, @@ -3448,6 +3496,11 @@ int cmd_script(int argc, const char **argv) } } + if (script.time_str && reltime) { + fprintf(stderr, "Don't combine --reltime with --time\n"); + return -1; + } + if (itrace_synth_opts.callchain && itrace_synth_opts.callchain_sz > scripting_max_stack) scripting_max_stack = itrace_synth_opts.callchain_sz; @@ -3615,6 +3668,12 @@ int cmd_script(int argc, const char **argv) if (symbol__init(&session->header.env) < 0) goto out_delete; + uname(&uts); + if (!strcmp(uts.machine, session->header.env.arch) || + (!strcmp(uts.machine, "x86_64") && + !strcmp(session->header.env.arch, "i386"))) + native_arch = true; + script.session = session; script__setup_sample_type(&script); diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c index 7b8f09b0b8bf..49ee3c2033ec 100644 --- a/tools/perf/builtin-stat.c +++ b/tools/perf/builtin-stat.c @@ -718,7 +718,8 @@ static struct option stat_options[] = { "system-wide collection from all CPUs"), OPT_BOOLEAN('g', "group", &group, "put the counters into a counter group"), - OPT_BOOLEAN('c', "scale", &stat_config.scale, "scale/normalize counters"), + OPT_BOOLEAN(0, "scale", &stat_config.scale, + "Use --no-scale to disable counter scaling for multiplexing"), OPT_INCR('v', "verbose", &verbose, "be more verbose (show counter open errors, etc)"), OPT_INTEGER('r', "repeat", &stat_config.run_count, diff --git a/tools/perf/builtin-top.c b/tools/perf/builtin-top.c index 231a90daa958..1999d6533d12 100644 --- a/tools/perf/builtin-top.c +++ b/tools/perf/builtin-top.c @@ -1189,30 +1189,26 @@ static int __cmd_top(struct perf_top *top) pthread_t thread, thread_process; int ret; - top->session = perf_session__new(NULL, false, NULL); - if (top->session == NULL) - return -1; - if (!top->annotation_opts.objdump_path) { ret = perf_env__lookup_objdump(&top->session->header.env, &top->annotation_opts.objdump_path); if (ret) - goto out_delete; + return ret; } ret = callchain_param__setup_sample_type(&callchain_param); if (ret) - goto out_delete; + return ret; if (perf_session__register_idle_thread(top->session) < 0) - goto out_delete; + return ret; if (top->nr_threads_synthesize > 1) perf_set_multithreaded(); init_process_thread(top); - ret = perf_event__synthesize_bpf_events(&top->tool, perf_event__process, + ret = perf_event__synthesize_bpf_events(top->session, perf_event__process, &top->session->machines.host, &top->record_opts); if (ret < 0) @@ -1227,13 +1223,18 @@ static int __cmd_top(struct perf_top *top) if (perf_hpp_list.socket) { ret = perf_env__read_cpu_topology_map(&perf_env); - if (ret < 0) - goto out_err_cpu_topo; + if (ret < 0) { + char errbuf[BUFSIZ]; + const char *err = str_error_r(-ret, errbuf, sizeof(errbuf)); + + ui__error("Could not read the CPU topology map: %s\n", err); + return ret; + } } ret = perf_top__start_counters(top); if (ret) - goto out_delete; + return ret; top->session->evlist = top->evlist; perf_session__set_id_hdr_size(top->session); @@ -1252,7 +1253,7 @@ static int __cmd_top(struct perf_top *top) ret = -1; if (pthread_create(&thread_process, NULL, process_thread, top)) { ui__error("Could not create process thread.\n"); - goto out_delete; + return ret; } if (pthread_create(&thread, NULL, (use_browser > 0 ? display_thread_tui : @@ -1296,19 +1297,7 @@ out_join: out_join_thread: pthread_cond_signal(&top->qe.cond); pthread_join(thread_process, NULL); -out_delete: - perf_session__delete(top->session); - top->session = NULL; - return ret; - -out_err_cpu_topo: { - char errbuf[BUFSIZ]; - const char *err = str_error_r(-ret, errbuf, sizeof(errbuf)); - - ui__error("Could not read the CPU topology map: %s\n", err); - goto out_delete; -} } static int @@ -1480,6 +1469,7 @@ int cmd_top(int argc, const char **argv) "Display raw encoding of assembly instructions (default)"), OPT_BOOLEAN(0, "demangle-kernel", &symbol_conf.demangle_kernel, "Enable kernel symbol demangling"), + OPT_BOOLEAN(0, "no-bpf-event", &top.record_opts.no_bpf_event, "do not record bpf events"), OPT_STRING(0, "objdump", &top.annotation_opts.objdump_path, "path", "objdump binary to use for disassembly and annotations"), OPT_STRING('M', "disassembler-style", &top.annotation_opts.disassembler_style, "disassembler style", @@ -1511,6 +1501,7 @@ int cmd_top(int argc, const char **argv) "number of thread to run event synthesize"), OPT_END() }; + struct perf_evlist *sb_evlist = NULL; const char * const top_usage[] = { "perf top [<options>]", NULL @@ -1628,8 +1619,9 @@ int cmd_top(int argc, const char **argv) annotation_config__init(); symbol_conf.try_vmlinux_path = (symbol_conf.vmlinux_name == NULL); - if (symbol__init(NULL) < 0) - return -1; + status = symbol__init(NULL); + if (status < 0) + goto out_delete_evlist; sort__setup_elide(stdout); @@ -1639,10 +1631,28 @@ int cmd_top(int argc, const char **argv) signal(SIGWINCH, winch_sig); } + top.session = perf_session__new(NULL, false, NULL); + if (top.session == NULL) { + status = -1; + goto out_delete_evlist; + } + + if (!top.record_opts.no_bpf_event) + bpf_event__add_sb_event(&sb_evlist, &perf_env); + + if (perf_evlist__start_sb_thread(sb_evlist, target)) { + pr_debug("Couldn't start the BPF side band thread:\nBPF programs starting from now on won't be annotatable\n"); + opts->no_bpf_event = true; + } + status = __cmd_top(&top); + if (!opts->no_bpf_event) + perf_evlist__stop_sb_thread(sb_evlist); + out_delete_evlist: perf_evlist__delete(top.evlist); + perf_session__delete(top.session); return status; } diff --git a/tools/perf/builtin.h b/tools/perf/builtin.h index 05745f3ce912..999fe9170122 100644 --- a/tools/perf/builtin.h +++ b/tools/perf/builtin.h @@ -40,5 +40,6 @@ int cmd_mem(int argc, const char **argv); int cmd_data(int argc, const char **argv); int cmd_ftrace(int argc, const char **argv); -int find_scripts(char **scripts_array, char **scripts_path_array); +int find_scripts(char **scripts_array, char **scripts_path_array, int num, + int pathlen); #endif diff --git a/tools/perf/check-headers.sh b/tools/perf/check-headers.sh index 7b55613924de..c68ee06cae63 100755 --- a/tools/perf/check-headers.sh +++ b/tools/perf/check-headers.sh @@ -103,7 +103,7 @@ done # diff with extra ignore lines check arch/x86/lib/memcpy_64.S '-I "^EXPORT_SYMBOL" -I "^#include <asm/export.h>"' check arch/x86/lib/memset_64.S '-I "^EXPORT_SYMBOL" -I "^#include <asm/export.h>"' -check include/uapi/asm-generic/mman.h '-I "^#include <\(uapi/\)*asm-generic/mman-common.h>"' +check include/uapi/asm-generic/mman.h '-I "^#include <\(uapi/\)*asm-generic/mman-common\(-tools\)*.h>"' check include/uapi/linux/mman.h '-I "^#include <\(uapi/\)*asm/mman.h>"' # diff non-symmetric files diff --git a/tools/perf/perf.c b/tools/perf/perf.c index a11cb006f968..72df4b6fa36f 100644 --- a/tools/perf/perf.c +++ b/tools/perf/perf.c @@ -298,6 +298,7 @@ static int run_builtin(struct cmd_struct *p, int argc, const char **argv) use_pager = 1; commit_pager_choice(); + perf_env__init(&perf_env); perf_env__set_cmdline(&perf_env, argc, argv); status = p->fn(argc, argv); perf_config__exit(); diff --git a/tools/perf/perf.h b/tools/perf/perf.h index b120e547ddc7..c59743def8d3 100644 --- a/tools/perf/perf.h +++ b/tools/perf/perf.h @@ -66,7 +66,7 @@ struct record_opts { bool ignore_missing_thread; bool strict_freq; bool sample_id; - bool bpf_event; + bool no_bpf_event; unsigned int freq; unsigned int mmap_pages; unsigned int auxtrace_mmap_pages; diff --git a/tools/perf/pmu-events/arch/powerpc/power8/other.json b/tools/perf/pmu-events/arch/powerpc/power8/other.json index 704302c3e67d..9dc2f6b70354 100644 --- a/tools/perf/pmu-events/arch/powerpc/power8/other.json +++ b/tools/perf/pmu-events/arch/powerpc/power8/other.json @@ -348,18 +348,6 @@ "PublicDescription": "" }, {, - "EventCode": "0x517082", - "EventName": "PM_CO_DISP_FAIL", - "BriefDescription": "CO dispatch failed due to all CO machines being busy", - "PublicDescription": "" - }, - {, - "EventCode": "0x527084", - "EventName": "PM_CO_TM_SC_FOOTPRINT", - "BriefDescription": "L2 did a cleanifdirty CO to the L3 (ie created an SC line in the L3)", - "PublicDescription": "" - }, - {, "EventCode": "0x3608a", "EventName": "PM_CO_USAGE", "BriefDescription": "Continuous 16 cycle(2to1) window where this signals rotates thru sampling each L2 CO machine busy. PMU uses this wave to then do 16 cyc count to sample total number of machs running", @@ -1578,36 +1566,12 @@ "PublicDescription": "" }, {, - "EventCode": "0x617082", - "EventName": "PM_ISIDE_DISP", - "BriefDescription": "All i-side dispatch attempts", - "PublicDescription": "" - }, - {, - "EventCode": "0x627084", - "EventName": "PM_ISIDE_DISP_FAIL", - "BriefDescription": "All i-side dispatch attempts that failed due to a addr collision with another machine", - "PublicDescription": "" - }, - {, - "EventCode": "0x627086", - "EventName": "PM_ISIDE_DISP_FAIL_OTHER", - "BriefDescription": "All i-side dispatch attempts that failed due to a reason other than addrs collision", - "PublicDescription": "" - }, - {, "EventCode": "0x4608e", "EventName": "PM_ISIDE_L2MEMACC", "BriefDescription": "valid when first beat of data comes in for an i-side fetch where data came from mem(or L4)", "PublicDescription": "" }, {, - "EventCode": "0x44608e", - "EventName": "PM_ISIDE_MRU_TOUCH", - "BriefDescription": "Iside L2 MRU touch", - "PublicDescription": "" - }, - {, "EventCode": "0x30ac", "EventName": "PM_ISU_REF_FX0", "BriefDescription": "FX0 ISU reject", @@ -1734,222 +1698,36 @@ "PublicDescription": "" }, {, - "EventCode": "0x417080", - "EventName": "PM_L2_CASTOUT_MOD", - "BriefDescription": "L2 Castouts - Modified (M, Mu, Me)", - "PublicDescription": "" - }, - {, - "EventCode": "0x417082", - "EventName": "PM_L2_CASTOUT_SHR", - "BriefDescription": "L2 Castouts - Shared (T, Te, Si, S)", - "PublicDescription": "" - }, - {, "EventCode": "0x27084", "EventName": "PM_L2_CHIP_PUMP", "BriefDescription": "RC requests that were local on chip pump attempts", "PublicDescription": "" }, {, - "EventCode": "0x427086", - "EventName": "PM_L2_DC_INV", - "BriefDescription": "Dcache invalidates from L2", - "PublicDescription": "" - }, - {, - "EventCode": "0x44608c", - "EventName": "PM_L2_DISP_ALL_L2MISS", - "BriefDescription": "All successful Ld/St dispatches for this thread that were an L2miss", - "PublicDescription": "" - }, - {, "EventCode": "0x27086", "EventName": "PM_L2_GROUP_PUMP", "BriefDescription": "RC requests that were on Node Pump attempts", "PublicDescription": "" }, {, - "EventCode": "0x626084", - "EventName": "PM_L2_GRP_GUESS_CORRECT", - "BriefDescription": "L2 guess grp and guess was correct (data intra-6chip AND ^on-chip)", - "PublicDescription": "" - }, - {, - "EventCode": "0x626086", - "EventName": "PM_L2_GRP_GUESS_WRONG", - "BriefDescription": "L2 guess grp and guess was not correct (ie data on-chip OR beyond-6chip)", - "PublicDescription": "" - }, - {, - "EventCode": "0x427084", - "EventName": "PM_L2_IC_INV", - "BriefDescription": "Icache Invalidates from L2", - "PublicDescription": "" - }, - {, - "EventCode": "0x436088", - "EventName": "PM_L2_INST", - "BriefDescription": "All successful I-side dispatches for this thread (excludes i_l2mru_tch reqs)", - "PublicDescription": "" - }, - {, - "EventCode": "0x43608a", - "EventName": "PM_L2_INST_MISS", - "BriefDescription": "All successful i-side dispatches that were an L2miss for this thread (excludes i_l2mru_tch reqs)", - "PublicDescription": "" - }, - {, - "EventCode": "0x416080", - "EventName": "PM_L2_LD", - "BriefDescription": "All successful D-side Load dispatches for this thread", - "PublicDescription": "" - }, - {, - "EventCode": "0x437088", - "EventName": "PM_L2_LD_DISP", - "BriefDescription": "All successful load dispatches", - "PublicDescription": "" - }, - {, - "EventCode": "0x43708a", - "EventName": "PM_L2_LD_HIT", - "BriefDescription": "All successful load dispatches that were L2 hits", - "PublicDescription": "" - }, - {, - "EventCode": "0x426084", - "EventName": "PM_L2_LD_MISS", - "BriefDescription": "All successful D-Side Load dispatches that were an L2miss for this thread", - "PublicDescription": "" - }, - {, - "EventCode": "0x616080", - "EventName": "PM_L2_LOC_GUESS_CORRECT", - "BriefDescription": "L2 guess loc and guess was correct (ie data local)", - "PublicDescription": "" - }, - {, - "EventCode": "0x616082", - "EventName": "PM_L2_LOC_GUESS_WRONG", - "BriefDescription": "L2 guess loc and guess was not correct (ie data not on chip)", - "PublicDescription": "" - }, - {, - "EventCode": "0x516080", - "EventName": "PM_L2_RCLD_DISP", - "BriefDescription": "L2 RC load dispatch attempt", - "PublicDescription": "" - }, - {, - "EventCode": "0x516082", - "EventName": "PM_L2_RCLD_DISP_FAIL_ADDR", - "BriefDescription": "L2 RC load dispatch attempt failed due to address collision with RC/CO/SN/SQ", - "PublicDescription": "" - }, - {, - "EventCode": "0x526084", - "EventName": "PM_L2_RCLD_DISP_FAIL_OTHER", - "BriefDescription": "L2 RC load dispatch attempt failed due to other reasons", - "PublicDescription": "" - }, - {, - "EventCode": "0x536088", - "EventName": "PM_L2_RCST_DISP", - "BriefDescription": "L2 RC store dispatch attempt", - "PublicDescription": "" - }, - {, - "EventCode": "0x53608a", - "EventName": "PM_L2_RCST_DISP_FAIL_ADDR", - "BriefDescription": "L2 RC store dispatch attempt failed due to address collision with RC/CO/SN/SQ", - "PublicDescription": "" - }, - {, - "EventCode": "0x54608c", - "EventName": "PM_L2_RCST_DISP_FAIL_OTHER", - "BriefDescription": "L2 RC store dispatch attempt failed due to other reasons", - "PublicDescription": "" - }, - {, - "EventCode": "0x537088", - "EventName": "PM_L2_RC_ST_DONE", - "BriefDescription": "RC did st to line that was Tx or Sx", - "PublicDescription": "" - }, - {, - "EventCode": "0x63708a", - "EventName": "PM_L2_RTY_LD", - "BriefDescription": "RC retries on PB for any load from core", - "PublicDescription": "" - }, - {, "EventCode": "0x3708a", "EventName": "PM_L2_RTY_ST", "BriefDescription": "RC retries on PB for any store from core", "PublicDescription": "" }, {, - "EventCode": "0x54708c", - "EventName": "PM_L2_SN_M_RD_DONE", - "BriefDescription": "SNP dispatched for a read and was M", - "PublicDescription": "" - }, - {, - "EventCode": "0x54708e", - "EventName": "PM_L2_SN_M_WR_DONE", - "BriefDescription": "SNP dispatched for a write and was M", - "PublicDescription": "" - }, - {, - "EventCode": "0x53708a", - "EventName": "PM_L2_SN_SX_I_DONE", - "BriefDescription": "SNP dispatched and went from Sx or Tx to Ix", - "PublicDescription": "" - }, - {, "EventCode": "0x17080", "EventName": "PM_L2_ST", "BriefDescription": "All successful D-side store dispatches for this thread", "PublicDescription": "" }, {, - "EventCode": "0x44708c", - "EventName": "PM_L2_ST_DISP", - "BriefDescription": "All successful store dispatches", - "PublicDescription": "" - }, - {, - "EventCode": "0x44708e", - "EventName": "PM_L2_ST_HIT", - "BriefDescription": "All successful store dispatches that were L2Hits", - "PublicDescription": "" - }, - {, "EventCode": "0x17082", "EventName": "PM_L2_ST_MISS", "BriefDescription": "All successful D-side store dispatches for this thread that were L2 Miss", "PublicDescription": "" }, {, - "EventCode": "0x636088", - "EventName": "PM_L2_SYS_GUESS_CORRECT", - "BriefDescription": "L2 guess sys and guess was correct (ie data beyond-6chip)", - "PublicDescription": "" - }, - {, - "EventCode": "0x63608a", - "EventName": "PM_L2_SYS_GUESS_WRONG", - "BriefDescription": "L2 guess sys and guess was not correct (ie data ^beyond-6chip)", - "PublicDescription": "" - }, - {, - "EventCode": "0x617080", - "EventName": "PM_L2_SYS_PUMP", - "BriefDescription": "RC requests that were system pump attempts", - "PublicDescription": "" - }, - {, "EventCode": "0x1e05e", "EventName": "PM_L2_TM_REQ_ABORT", "BriefDescription": "TM abort", @@ -1962,36 +1740,12 @@ "PublicDescription": "" }, {, - "EventCode": "0x23808a", - "EventName": "PM_L3_CINJ", - "BriefDescription": "l3 ci of cache inject", - "PublicDescription": "" - }, - {, - "EventCode": "0x128084", - "EventName": "PM_L3_CI_HIT", - "BriefDescription": "L3 Castins Hit (total count", - "PublicDescription": "" - }, - {, - "EventCode": "0x128086", - "EventName": "PM_L3_CI_MISS", - "BriefDescription": "L3 castins miss (total count", - "PublicDescription": "" - }, - {, "EventCode": "0x819082", "EventName": "PM_L3_CI_USAGE", "BriefDescription": "rotating sample of 16 CI or CO actives", "PublicDescription": "" }, {, - "EventCode": "0x438088", - "EventName": "PM_L3_CO", - "BriefDescription": "l3 castout occurring ( does not include casthrough or log writes (cinj/dmaw)", - "PublicDescription": "" - }, - {, "EventCode": "0x83908b", "EventName": "PM_L3_CO0_ALLOC", "BriefDescription": "lifetime, sample of CO machine 0 valid", @@ -2010,120 +1764,18 @@ "PublicDescription": "" }, {, - "EventCode": "0x238088", - "EventName": "PM_L3_CO_LCO", - "BriefDescription": "Total L3 castouts occurred on LCO", - "PublicDescription": "" - }, - {, "EventCode": "0x28084", "EventName": "PM_L3_CO_MEM", "BriefDescription": "L3 CO to memory OR of port 0 and 1 ( lossy)", "PublicDescription": "" }, {, - "EventCode": "0xb19082", - "EventName": "PM_L3_GRP_GUESS_CORRECT", - "BriefDescription": "Initial scope=group and data from same group (near) (pred successful)", - "PublicDescription": "" - }, - {, - "EventCode": "0xb3908a", - "EventName": "PM_L3_GRP_GUESS_WRONG_HIGH", - "BriefDescription": "Initial scope=group but data from local node. Predition too high", - "PublicDescription": "" - }, - {, - "EventCode": "0xb39088", - "EventName": "PM_L3_GRP_GUESS_WRONG_LOW", - "BriefDescription": "Initial scope=group but data from outside group (far or rem). Prediction too Low", - "PublicDescription": "" - }, - {, - "EventCode": "0x218080", - "EventName": "PM_L3_HIT", - "BriefDescription": "L3 Hits", - "PublicDescription": "" - }, - {, - "EventCode": "0x138088", - "EventName": "PM_L3_L2_CO_HIT", - "BriefDescription": "L2 castout hits", - "PublicDescription": "" - }, - {, - "EventCode": "0x13808a", - "EventName": "PM_L3_L2_CO_MISS", - "BriefDescription": "L2 castout miss", - "PublicDescription": "" - }, - {, - "EventCode": "0x14808c", - "EventName": "PM_L3_LAT_CI_HIT", - "BriefDescription": "L3 Lateral Castins Hit", - "PublicDescription": "" - }, - {, - "EventCode": "0x14808e", - "EventName": "PM_L3_LAT_CI_MISS", - "BriefDescription": "L3 Lateral Castins Miss", - "PublicDescription": "" - }, - {, - "EventCode": "0x228084", - "EventName": "PM_L3_LD_HIT", - "BriefDescription": "L3 demand LD Hits", - "PublicDescription": "" - }, - {, - "EventCode": "0x228086", - "EventName": "PM_L3_LD_MISS", - "BriefDescription": "L3 demand LD Miss", - "PublicDescription": "" - }, - {, "EventCode": "0x1e052", "EventName": "PM_L3_LD_PREF", "BriefDescription": "L3 Load Prefetches", "PublicDescription": "" }, {, - "EventCode": "0xb19080", - "EventName": "PM_L3_LOC_GUESS_CORRECT", - "BriefDescription": "initial scope=node/chip and data from local node (local) (pred successful)", - "PublicDescription": "" - }, - {, - "EventCode": "0xb29086", - "EventName": "PM_L3_LOC_GUESS_WRONG", - "BriefDescription": "Initial scope=node but data from out side local node (near or far or rem). Prediction too Low", - "PublicDescription": "" - }, - {, - "EventCode": "0x218082", - "EventName": "PM_L3_MISS", - "BriefDescription": "L3 Misses", - "PublicDescription": "" - }, - {, - "EventCode": "0x54808c", - "EventName": "PM_L3_P0_CO_L31", - "BriefDescription": "l3 CO to L3.1 (lco) port 0", - "PublicDescription": "" - }, - {, - "EventCode": "0x538088", - "EventName": "PM_L3_P0_CO_MEM", - "BriefDescription": "l3 CO to memory port 0", - "PublicDescription": "" - }, - {, - "EventCode": "0x929084", - "EventName": "PM_L3_P0_CO_RTY", - "BriefDescription": "L3 CO received retry port 0", - "PublicDescription": "" - }, - {, "EventCode": "0xa29084", "EventName": "PM_L3_P0_GRP_PUMP", "BriefDescription": "L3 pf sent with grp scope port 0", @@ -2148,120 +1800,6 @@ "PublicDescription": "" }, {, - "EventCode": "0xa19080", - "EventName": "PM_L3_P0_NODE_PUMP", - "BriefDescription": "L3 pf sent with nodal scope port 0", - "PublicDescription": "" - }, - {, - "EventCode": "0x919080", - "EventName": "PM_L3_P0_PF_RTY", - "BriefDescription": "L3 PF received retry port 0", - "PublicDescription": "" - }, - {, - "EventCode": "0x939088", - "EventName": "PM_L3_P0_SN_HIT", - "BriefDescription": "L3 snoop hit port 0", - "PublicDescription": "" - }, - {, - "EventCode": "0x118080", - "EventName": "PM_L3_P0_SN_INV", - "BriefDescription": "Port0 snooper detects someone doing a store to a line thats Sx", - "PublicDescription": "" - }, - {, - "EventCode": "0x94908c", - "EventName": "PM_L3_P0_SN_MISS", - "BriefDescription": "L3 snoop miss port 0", - "PublicDescription": "" - }, - {, - "EventCode": "0xa39088", - "EventName": "PM_L3_P0_SYS_PUMP", - "BriefDescription": "L3 pf sent with sys scope port 0", - "PublicDescription": "" - }, - {, - "EventCode": "0x54808e", - "EventName": "PM_L3_P1_CO_L31", - "BriefDescription": "l3 CO to L3.1 (lco) port 1", - "PublicDescription": "" - }, - {, - "EventCode": "0x53808a", - "EventName": "PM_L3_P1_CO_MEM", - "BriefDescription": "l3 CO to memory port 1", - "PublicDescription": "" - }, - {, - "EventCode": "0x929086", - "EventName": "PM_L3_P1_CO_RTY", - "BriefDescription": "L3 CO received retry port 1", - "PublicDescription": "" - }, - {, - "EventCode": "0xa29086", - "EventName": "PM_L3_P1_GRP_PUMP", - "BriefDescription": "L3 pf sent with grp scope port 1", - "PublicDescription": "" - }, - {, - "EventCode": "0x528086", - "EventName": "PM_L3_P1_LCO_DATA", - "BriefDescription": "lco sent with data port 1", - "PublicDescription": "" - }, - {, - "EventCode": "0x518082", - "EventName": "PM_L3_P1_LCO_NO_DATA", - "BriefDescription": "dataless l3 lco sent port 1", - "PublicDescription": "" - }, - {, - "EventCode": "0xa4908e", - "EventName": "PM_L3_P1_LCO_RTY", - "BriefDescription": "L3 LCO received retry port 1", - "PublicDescription": "" - }, - {, - "EventCode": "0xa19082", - "EventName": "PM_L3_P1_NODE_PUMP", - "BriefDescription": "L3 pf sent with nodal scope port 1", - "PublicDescription": "" - }, - {, - "EventCode": "0x919082", - "EventName": "PM_L3_P1_PF_RTY", - "BriefDescription": "L3 PF received retry port 1", - "PublicDescription": "" - }, - {, - "EventCode": "0x93908a", - "EventName": "PM_L3_P1_SN_HIT", - "BriefDescription": "L3 snoop hit port 1", - "PublicDescription": "" - }, - {, - "EventCode": "0x118082", - "EventName": "PM_L3_P1_SN_INV", - "BriefDescription": "Port1 snooper detects someone doing a store to a line thats Sx", - "PublicDescription": "" - }, - {, - "EventCode": "0x94908e", - "EventName": "PM_L3_P1_SN_MISS", - "BriefDescription": "L3 snoop miss port 1", - "PublicDescription": "" - }, - {, - "EventCode": "0xa3908a", - "EventName": "PM_L3_P1_SYS_PUMP", - "BriefDescription": "L3 pf sent with sys scope port 1", - "PublicDescription": "" - }, - {, "EventCode": "0x84908d", "EventName": "PM_L3_PF0_ALLOC", "BriefDescription": "lifetime, sample of PF machine 0 valid", @@ -2274,12 +1812,6 @@ "PublicDescription": "" }, {, - "EventCode": "0x428084", - "EventName": "PM_L3_PF_HIT_L3", - "BriefDescription": "l3 pf hit in l3", - "PublicDescription": "" - }, - {, "EventCode": "0x18080", "EventName": "PM_L3_PF_MISS_L3", "BriefDescription": "L3 Prefetch missed in L3", @@ -2370,42 +1902,12 @@ "PublicDescription": "" }, {, - "EventCode": "0xb29084", - "EventName": "PM_L3_SYS_GUESS_CORRECT", - "BriefDescription": "Initial scope=system and data from outside group (far or rem)(pred successful)", - "PublicDescription": "" - }, - {, - "EventCode": "0xb4908c", - "EventName": "PM_L3_SYS_GUESS_WRONG", - "BriefDescription": "Initial scope=system but data from local or near. Predction too high", - "PublicDescription": "" - }, - {, - "EventCode": "0x24808e", - "EventName": "PM_L3_TRANS_PF", - "BriefDescription": "L3 Transient prefetch", - "PublicDescription": "" - }, - {, "EventCode": "0x18081", "EventName": "PM_L3_WI0_ALLOC", "BriefDescription": "lifetime, sample of Write Inject machine 0 valid", "PublicDescription": "0.0" }, {, - "EventCode": "0x418080", - "EventName": "PM_L3_WI0_BUSY", - "BriefDescription": "lifetime, sample of Write Inject machine 0 valid", - "PublicDescription": "" - }, - {, - "EventCode": "0x418082", - "EventName": "PM_L3_WI_USAGE", - "BriefDescription": "rotating sample of 8 WI actives", - "PublicDescription": "" - }, - {, "EventCode": "0xc080", "EventName": "PM_LD_REF_L1_LSU0", "BriefDescription": "LS0 L1 D cache load references counted at finish, gated by reject", @@ -3312,12 +2814,6 @@ "PublicDescription": "" }, {, - "EventCode": "0x328084", - "EventName": "PM_NON_TM_RST_SC", - "BriefDescription": "non tm snp rst tm sc", - "PublicDescription": "" - }, - {, "EventCode": "0x2001a", "EventName": "PM_NTCG_ALL_FIN", "BriefDescription": "Cycles after all instructions have finished to group completed", @@ -3420,24 +2916,6 @@ "PublicDescription": "" }, {, - "EventCode": "0x34808e", - "EventName": "PM_RD_CLEARING_SC", - "BriefDescription": "rd clearing sc", - "PublicDescription": "" - }, - {, - "EventCode": "0x34808c", - "EventName": "PM_RD_FORMING_SC", - "BriefDescription": "rd forming sc", - "PublicDescription": "" - }, - {, - "EventCode": "0x428086", - "EventName": "PM_RD_HIT_PF", - "BriefDescription": "rd machine hit l3 pf machine", - "PublicDescription": "" - }, - {, "EventCode": "0x20004", "EventName": "PM_REAL_SRQ_FULL", "BriefDescription": "Out of real srq entries", @@ -3504,18 +2982,6 @@ "PublicDescription": "TLBIE snoopSnoop TLBIE" }, {, - "EventCode": "0x338088", - "EventName": "PM_SNP_TM_HIT_M", - "BriefDescription": "snp tm st hit m mu", - "PublicDescription": "" - }, - {, - "EventCode": "0x33808a", - "EventName": "PM_SNP_TM_HIT_T", - "BriefDescription": "snp tm_st_hit t tn te", - "PublicDescription": "" - }, - {, "EventCode": "0x4608c", "EventName": "PM_SN_USAGE", "BriefDescription": "Continuous 16 cycle(2to1) window where this signals rotates thru sampling each L2 SN machine busy. PMU uses this wave to then do 16 cyc count to sample total number of machs running", @@ -3534,12 +3000,6 @@ "PublicDescription": "STCX executed reported at sent to nest42" }, {, - "EventCode": "0x717080", - "EventName": "PM_ST_CAUSED_FAIL", - "BriefDescription": "Non TM St caused any thread to fail", - "PublicDescription": "" - }, - {, "EventCode": "0x3090", "EventName": "PM_SWAP_CANCEL", "BriefDescription": "SWAP cancel , rtag not available", @@ -3624,18 +3084,6 @@ "PublicDescription": "" }, {, - "EventCode": "0x318082", - "EventName": "PM_TM_CAM_OVERFLOW", - "BriefDescription": "l3 tm cam overflow during L2 co of SC", - "PublicDescription": "" - }, - {, - "EventCode": "0x74708c", - "EventName": "PM_TM_CAP_OVERFLOW", - "BriefDescription": "TM Footprint Capactiy Overflow", - "PublicDescription": "" - }, - {, "EventCode": "0x20ba", "EventName": "PM_TM_END_ALL", "BriefDescription": "Tm any tend", @@ -3690,48 +3138,6 @@ "PublicDescription": "Transactional conflict from LSU, whatever gets reported to texas 42" }, {, - "EventCode": "0x727086", - "EventName": "PM_TM_FAV_CAUSED_FAIL", - "BriefDescription": "TM Load (fav) caused another thread to fail", - "PublicDescription": "" - }, - {, - "EventCode": "0x717082", - "EventName": "PM_TM_LD_CAUSED_FAIL", - "BriefDescription": "Non TM Ld caused any thread to fail", - "PublicDescription": "" - }, - {, - "EventCode": "0x727084", - "EventName": "PM_TM_LD_CONF", - "BriefDescription": "TM Load (fav or non-fav) ran into conflict (failed)", - "PublicDescription": "" - }, - {, - "EventCode": "0x328086", - "EventName": "PM_TM_RST_SC", - "BriefDescription": "tm snp rst tm sc", - "PublicDescription": "" - }, - {, - "EventCode": "0x318080", - "EventName": "PM_TM_SC_CO", - "BriefDescription": "l3 castout tm Sc line", - "PublicDescription": "" - }, - {, - "EventCode": "0x73708a", - "EventName": "PM_TM_ST_CAUSED_FAIL", - "BriefDescription": "TM Store (fav or non-fav) caused another thread to fail", - "PublicDescription": "" - }, - {, - "EventCode": "0x737088", - "EventName": "PM_TM_ST_CONF", - "BriefDescription": "TM Store (fav or non-fav) ran into conflict (failed)", - "PublicDescription": "" - }, - {, "EventCode": "0x20bc", "EventName": "PM_TM_TBEGIN", "BriefDescription": "Tm nested tbegin", diff --git a/tools/perf/pmu-events/arch/x86/amdfam17h/branch.json b/tools/perf/pmu-events/arch/x86/amdfam17h/branch.json new file mode 100644 index 000000000000..93ddfd8053ca --- /dev/null +++ b/tools/perf/pmu-events/arch/x86/amdfam17h/branch.json @@ -0,0 +1,12 @@ +[ + { + "EventName": "bp_l1_btb_correct", + "EventCode": "0x8a", + "BriefDescription": "L1 BTB Correction." + }, + { + "EventName": "bp_l2_btb_correct", + "EventCode": "0x8b", + "BriefDescription": "L2 BTB Correction." + } +] diff --git a/tools/perf/pmu-events/arch/x86/amdfam17h/cache.json b/tools/perf/pmu-events/arch/x86/amdfam17h/cache.json new file mode 100644 index 000000000000..fad4af9142cb --- /dev/null +++ b/tools/perf/pmu-events/arch/x86/amdfam17h/cache.json @@ -0,0 +1,287 @@ +[ + { + "EventName": "ic_fw32", + "EventCode": "0x80", + "BriefDescription": "The number of 32B fetch windows transferred from IC pipe to DE instruction decoder (includes non-cacheable and cacheable fill responses)." + }, + { + "EventName": "ic_fw32_miss", + "EventCode": "0x81", + "BriefDescription": "The number of 32B fetch windows tried to read the L1 IC and missed in the full tag." + }, + { + "EventName": "ic_cache_fill_l2", + "EventCode": "0x82", + "BriefDescription": "The number of 64 byte instruction cache line was fulfilled from the L2 cache." + }, + { + "EventName": "ic_cache_fill_sys", + "EventCode": "0x83", + "BriefDescription": "The number of 64 byte instruction cache line fulfilled from system memory or another cache." + }, + { + "EventName": "bp_l1_tlb_miss_l2_hit", + "EventCode": "0x84", + "BriefDescription": "The number of instruction fetches that miss in the L1 ITLB but hit in the L2 ITLB." + }, + { + "EventName": "bp_l1_tlb_miss_l2_miss", + "EventCode": "0x85", + "BriefDescription": "The number of instruction fetches that miss in both the L1 and L2 TLBs." + }, + { + "EventName": "bp_snp_re_sync", + "EventCode": "0x86", + "BriefDescription": "The number of pipeline restarts caused by invalidating probes that hit on the instruction stream currently being executed. This would happen if the active instruction stream was being modified by another processor in an MP system - typically a highly unlikely event." + }, + { + "EventName": "ic_fetch_stall.ic_stall_any", + "EventCode": "0x87", + "BriefDescription": "IC pipe was stalled during this clock cycle for any reason (nothing valid in pipe ICM1).", + "PublicDescription": "Instruction Pipe Stall. IC pipe was stalled during this clock cycle for any reason (nothing valid in pipe ICM1).", + "UMask": "0x4" + }, + { + "EventName": "ic_fetch_stall.ic_stall_dq_empty", + "EventCode": "0x87", + "BriefDescription": "IC pipe was stalled during this clock cycle (including IC to OC fetches) due to DQ empty.", + "PublicDescription": "Instruction Pipe Stall. IC pipe was stalled during this clock cycle (including IC to OC fetches) due to DQ empty.", + "UMask": "0x2" + }, + { + "EventName": "ic_fetch_stall.ic_stall_back_pressure", + "EventCode": "0x87", + "BriefDescription": "IC pipe was stalled during this clock cycle (including IC to OC fetches) due to back-pressure.", + "PublicDescription": "Instruction Pipe Stall. IC pipe was stalled during this clock cycle (including IC to OC fetches) due to back-pressure.", + "UMask": "0x1" + }, + { + "EventName": "ic_cache_inval.l2_invalidating_probe", + "EventCode": "0x8c", + "BriefDescription": "IC line invalidated due to L2 invalidating probe (external or LS).", + "PublicDescription": "The number of instruction cache lines invalidated. A non-SMC event is CMC (cross modifying code), either from the other thread of the core or another core. IC line invalidated due to L2 invalidating probe (external or LS).", + "UMask": "0x2" + }, + { + "EventName": "ic_cache_inval.fill_invalidated", + "EventCode": "0x8c", + "BriefDescription": "IC line invalidated due to overwriting fill response.", + "PublicDescription": "The number of instruction cache lines invalidated. A non-SMC event is CMC (cross modifying code), either from the other thread of the core or another core. IC line invalidated due to overwriting fill response.", + "UMask": "0x1" + }, + { + "EventName": "bp_tlb_rel", + "EventCode": "0x99", + "BriefDescription": "The number of ITLB reload requests." + }, + { + "EventName": "l2_request_g1.rd_blk_l", + "EventCode": "0x60", + "BriefDescription": "Requests to L2 Group1.", + "PublicDescription": "Requests to L2 Group1.", + "UMask": "0x80" + }, + { + "EventName": "l2_request_g1.rd_blk_x", + "EventCode": "0x60", + "BriefDescription": "Requests to L2 Group1.", + "PublicDescription": "Requests to L2 Group1.", + "UMask": "0x40" + }, + { + "EventName": "l2_request_g1.ls_rd_blk_c_s", + "EventCode": "0x60", + "BriefDescription": "Requests to L2 Group1.", + "PublicDescription": "Requests to L2 Group1.", + "UMask": "0x20" + }, + { + "EventName": "l2_request_g1.cacheable_ic_read", + "EventCode": "0x60", + "BriefDescription": "Requests to L2 Group1.", + "PublicDescription": "Requests to L2 Group1.", + "UMask": "0x10" + }, + { + "EventName": "l2_request_g1.change_to_x", + "EventCode": "0x60", + "BriefDescription": "Requests to L2 Group1.", + "PublicDescription": "Requests to L2 Group1.", + "UMask": "0x8" + }, + { + "EventName": "l2_request_g1.prefetch_l2", + "EventCode": "0x60", + "BriefDescription": "Requests to L2 Group1.", + "PublicDescription": "Requests to L2 Group1.", + "UMask": "0x4" + }, + { + "EventName": "l2_request_g1.l2_hw_pf", + "EventCode": "0x60", + "BriefDescription": "Requests to L2 Group1.", + "PublicDescription": "Requests to L2 Group1.", + "UMask": "0x2" + }, + { + "EventName": "l2_request_g1.other_requests", + "EventCode": "0x60", + "BriefDescription": "Events covered by l2_request_g2.", + "PublicDescription": "Requests to L2 Group1. Events covered by l2_request_g2.", + "UMask": "0x1" + }, + { + "EventName": "l2_request_g2.group1", + "EventCode": "0x61", + "BriefDescription": "All Group 1 commands not in unit0.", + "PublicDescription": "Multi-events in that LS and IF requests can be received simultaneous. All Group 1 commands not in unit0.", + "UMask": "0x80" + }, + { + "EventName": "l2_request_g2.ls_rd_sized", + "EventCode": "0x61", + "BriefDescription": "RdSized, RdSized32, RdSized64.", + "PublicDescription": "Multi-events in that LS and IF requests can be received simultaneous. RdSized, RdSized32, RdSized64.", + "UMask": "0x40" + }, + { + "EventName": "l2_request_g2.ls_rd_sized_nc", + "EventCode": "0x61", + "BriefDescription": "RdSizedNC, RdSized32NC, RdSized64NC.", + "PublicDescription": "Multi-events in that LS and IF requests can be received simultaneous. RdSizedNC, RdSized32NC, RdSized64NC.", + "UMask": "0x20" + }, + { + "EventName": "l2_request_g2.ic_rd_sized", + "EventCode": "0x61", + "BriefDescription": "Multi-events in that LS and IF requests can be received simultaneous.", + "PublicDescription": "Multi-events in that LS and IF requests can be received simultaneous.", + "UMask": "0x10" + }, + { + "EventName": "l2_request_g2.ic_rd_sized_nc", + "EventCode": "0x61", + "BriefDescription": "Multi-events in that LS and IF requests can be received simultaneous.", + "PublicDescription": "Multi-events in that LS and IF requests can be received simultaneous.", + "UMask": "0x8" + }, + { + "EventName": "l2_request_g2.smc_inval", + "EventCode": "0x61", + "BriefDescription": "Multi-events in that LS and IF requests can be received simultaneous.", + "PublicDescription": "Multi-events in that LS and IF requests can be received simultaneous.", + "UMask": "0x4" + }, + { + "EventName": "l2_request_g2.bus_locks_originator", + "EventCode": "0x61", + "BriefDescription": "Multi-events in that LS and IF requests can be received simultaneous.", + "PublicDescription": "Multi-events in that LS and IF requests can be received simultaneous.", + "UMask": "0x2" + }, + { + "EventName": "l2_request_g2.bus_locks_responses", + "EventCode": "0x61", + "BriefDescription": "Multi-events in that LS and IF requests can be received simultaneous.", + "PublicDescription": "Multi-events in that LS and IF requests can be received simultaneous.", + "UMask": "0x1" + }, + { + "EventName": "l2_latency.l2_cycles_waiting_on_fills", + "EventCode": "0x62", + "BriefDescription": "Total cycles spent waiting for L2 fills to complete from L3 or memory, divided by four. Event counts are for both threads. To calculate average latency, the number of fills from both threads must be used.", + "PublicDescription": "Total cycles spent waiting for L2 fills to complete from L3 or memory, divided by four. Event counts are for both threads. To calculate average latency, the number of fills from both threads must be used.", + "UMask": "0x1" + }, + { + "EventName": "l2_wcb_req.wcb_write", + "EventCode": "0x63", + "PublicDescription": "LS (Load/Store unit) to L2 WCB (Write Combining Buffer) write requests.", + "BriefDescription": "LS to L2 WCB write requests.", + "UMask": "0x40" + }, + { + "EventName": "l2_wcb_req.wcb_close", + "EventCode": "0x63", + "BriefDescription": "LS to L2 WCB close requests.", + "PublicDescription": "LS (Load/Store unit) to L2 WCB (Write Combining Buffer) close requests.", + "UMask": "0x20" + }, + { + "EventName": "l2_wcb_req.zero_byte_store", + "EventCode": "0x63", + "BriefDescription": "LS to L2 WCB zero byte store requests.", + "PublicDescription": "LS (Load/Store unit) to L2 WCB (Write Combining Buffer) zero byte store requests.", + "UMask": "0x4" + }, + { + "EventName": "l2_wcb_req.cl_zero", + "EventCode": "0x63", + "PublicDescription": "LS to L2 WCB cache line zeroing requests.", + "BriefDescription": "LS (Load/Store unit) to L2 WCB (Write Combining Buffer) cache line zeroing requests.", + "UMask": "0x1" + }, + { + "EventName": "l2_cache_req_stat.ls_rd_blk_cs", + "EventCode": "0x64", + "BriefDescription": "LS ReadBlock C/S Hit.", + "PublicDescription": "This event does not count accesses to the L2 cache by the L2 prefetcher, but it does count accesses by the L1 prefetcher. LS ReadBlock C/S Hit.", + "UMask": "0x80" + }, + { + "EventName": "l2_cache_req_stat.ls_rd_blk_l_hit_x", + "EventCode": "0x64", + "BriefDescription": "LS Read Block L Hit X.", + "PublicDescription": "This event does not count accesses to the L2 cache by the L2 prefetcher, but it does count accesses by the L1 prefetcher. LS Read Block L Hit X.", + "UMask": "0x40" + }, + { + "EventName": "l2_cache_req_stat.ls_rd_blk_l_hit_s", + "EventCode": "0x64", + "BriefDescription": "LsRdBlkL Hit Shared.", + "PublicDescription": "This event does not count accesses to the L2 cache by the L2 prefetcher, but it does count accesses by the L1 prefetcher. LsRdBlkL Hit Shared.", + "UMask": "0x20" + }, + { + "EventName": "l2_cache_req_stat.ls_rd_blk_x", + "EventCode": "0x64", + "BriefDescription": "LsRdBlkX/ChgToX Hit X. Count RdBlkX finding Shared as a Miss.", + "PublicDescription": "This event does not count accesses to the L2 cache by the L2 prefetcher, but it does count accesses by the L1 prefetcher. LsRdBlkX/ChgToX Hit X. Count RdBlkX finding Shared as a Miss.", + "UMask": "0x10" + }, + { + "EventName": "l2_cache_req_stat.ls_rd_blk_c", + "EventCode": "0x64", + "BriefDescription": "LS Read Block C S L X Change to X Miss.", + "PublicDescription": "This event does not count accesses to the L2 cache by the L2 prefetcher, but it does count accesses by the L1 prefetcher. LS Read Block C S L X Change to X Miss.", + "UMask": "0x8" + }, + { + "EventName": "l2_cache_req_stat.ic_fill_hit_x", + "EventCode": "0x64", + "BriefDescription": "IC Fill Hit Exclusive Stale.", + "PublicDescription": "This event does not count accesses to the L2 cache by the L2 prefetcher, but it does count accesses by the L1 prefetcher. IC Fill Hit Exclusive Stale.", + "UMask": "0x4" + }, + { + "EventName": "l2_cache_req_stat.ic_fill_hit_s", + "EventCode": "0x64", + "BriefDescription": "IC Fill Hit Shared.", + "PublicDescription": "This event does not count accesses to the L2 cache by the L2 prefetcher, but it does count accesses by the L1 prefetcher. IC Fill Hit Shared.", + "UMask": "0x2" + }, + { + "EventName": "l2_cache_req_stat.ic_fill_miss", + "EventCode": "0x64", + "BriefDescription": "IC Fill Miss.", + "PublicDescription": "This event does not count accesses to the L2 cache by the L2 prefetcher, but it does count accesses by the L1 prefetcher. IC Fill Miss.", + "UMask": "0x1" + }, + { + "EventName": "l2_fill_pending.l2_fill_busy", + "EventCode": "0x6d", + "BriefDescription": "Total cycles spent with one or more fill requests in flight from L2.", + "PublicDescription": "Total cycles spent with one or more fill requests in flight from L2.", + "UMask": "0x1" + } +] diff --git a/tools/perf/pmu-events/arch/x86/amdfam17h/core.json b/tools/perf/pmu-events/arch/x86/amdfam17h/core.json new file mode 100644 index 000000000000..7b285b0a7f35 --- /dev/null +++ b/tools/perf/pmu-events/arch/x86/amdfam17h/core.json @@ -0,0 +1,134 @@ +[ + { + "EventName": "ex_ret_instr", + "EventCode": "0xc0", + "BriefDescription": "Retired Instructions." + }, + { + "EventName": "ex_ret_cops", + "EventCode": "0xc1", + "BriefDescription": "Retired Uops.", + "PublicDescription": "The number of uOps retired. This includes all processor activity (instructions, exceptions, interrupts, microcode assists, etc.). The number of events logged per cycle can vary from 0 to 4." + }, + { + "EventName": "ex_ret_brn", + "EventCode": "0xc2", + "BriefDescription": "[Retired Branch Instructions.", + "PublicDescription": "The number of branch instructions retired. This includes all types of architectural control flow changes, including exceptions and interrupts." + }, + { + "EventName": "ex_ret_brn_misp", + "EventCode": "0xc3", + "BriefDescription": "Retired Branch Instructions Mispredicted.", + "PublicDescription": "The number of branch instructions retired, of any type, that were not correctly predicted. This includes those for which prediction is not attempted (far control transfers, exceptions and interrupts)." + }, + { + "EventName": "ex_ret_brn_tkn", + "EventCode": "0xc4", + "BriefDescription": "Retired Taken Branch Instructions.", + "PublicDescription": "The number of taken branches that were retired. This includes all types of architectural control flow changes, including exceptions and interrupts." + }, + { + "EventName": "ex_ret_brn_tkn_misp", + "EventCode": "0xc5", + "BriefDescription": "Retired Taken Branch Instructions Mispredicted.", + "PublicDescription": "The number of retired taken branch instructions that were mispredicted." + }, + { + "EventName": "ex_ret_brn_far", + "EventCode": "0xc6", + "BriefDescription": "Retired Far Control Transfers.", + "PublicDescription": "The number of far control transfers retired including far call/jump/return, IRET, SYSCALL and SYSRET, plus exceptions and interrupts. Far control transfers are not subject to branch prediction." + }, + { + "EventName": "ex_ret_brn_resync", + "EventCode": "0xc7", + "BriefDescription": "Retired Branch Resyncs.", + "PublicDescription": "The number of resync branches. These reflect pipeline restarts due to certain microcode assists and events such as writes to the active instruction stream, among other things. Each occurrence reflects a restart penalty similar to a branch mispredict. This is relatively rare." + }, + { + "EventName": "ex_ret_near_ret", + "EventCode": "0xc8", + "BriefDescription": "Retired Near Returns.", + "PublicDescription": "The number of near return instructions (RET or RET Iw) retired." + }, + { + "EventName": "ex_ret_near_ret_mispred", + "EventCode": "0xc9", + "BriefDescription": "Retired Near Returns Mispredicted.", + "PublicDescription": "The number of near returns retired that were not correctly predicted by the return address predictor. Each such mispredict incurs the same penalty as a mispredicted conditional branch instruction." + }, + { + "EventName": "ex_ret_brn_ind_misp", + "EventCode": "0xca", + "BriefDescription": "Retired Indirect Branch Instructions Mispredicted.", + "PublicDescription": "Retired Indirect Branch Instructions Mispredicted." + }, + { + "EventName": "ex_ret_mmx_fp_instr.sse_instr", + "EventCode": "0xcb", + "BriefDescription": "SSE instructions (SSE, SSE2, SSE3, SSSE3, SSE4A, SSE41, SSE42, AVX).", + "PublicDescription": "The number of MMX, SSE or x87 instructions retired. The UnitMask allows the selection of the individual classes of instructions as given in the table. Each increment represents one complete instruction. Since this event includes non-numeric instructions it is not suitable for measuring MFLOPS. SSE instructions (SSE, SSE2, SSE3, SSSE3, SSE4A, SSE41, SSE42, AVX).", + "UMask": "0x4" + }, + { + "EventName": "ex_ret_mmx_fp_instr.mmx_instr", + "EventCode": "0xcb", + "BriefDescription": "MMX instructions.", + "PublicDescription": "The number of MMX, SSE or x87 instructions retired. The UnitMask allows the selection of the individual classes of instructions as given in the table. Each increment represents one complete instruction. Since this event includes non-numeric instructions it is not suitable for measuring MFLOPS. MMX instructions.", + "UMask": "0x2" + }, + { + "EventName": "ex_ret_mmx_fp_instr.x87_instr", + "EventCode": "0xcb", + "BriefDescription": "x87 instructions.", + "PublicDescription": "The number of MMX, SSE or x87 instructions retired. The UnitMask allows the selection of the individual classes of instructions as given in the table. Each increment represents one complete instruction. Since this event includes non-numeric instructions it is not suitable for measuring MFLOPS. x87 instructions.", + "UMask": "0x1" + }, + { + "EventName": "ex_ret_cond", + "EventCode": "0xd1", + "BriefDescription": "Retired Conditional Branch Instructions." + }, + { + "EventName": "ex_ret_cond_misp", + "EventCode": "0xd2", + "BriefDescription": "Retired Conditional Branch Instructions Mispredicted." + }, + { + "EventName": "ex_div_busy", + "EventCode": "0xd3", + "BriefDescription": "Div Cycles Busy count." + }, + { + "EventName": "ex_div_count", + "EventCode": "0xd4", + "BriefDescription": "Div Op Count." + }, + { + "EventName": "ex_tagged_ibs_ops.ibs_count_rollover", + "EventCode": "0x1cf", + "BriefDescription": "Number of times an op could not be tagged by IBS because of a previous tagged op that has not retired.", + "PublicDescription": "Tagged IBS Ops. Number of times an op could not be tagged by IBS because of a previous tagged op that has not retired.", + "UMask": "0x4" + }, + { + "EventName": "ex_tagged_ibs_ops.ibs_tagged_ops_ret", + "EventCode": "0x1cf", + "BriefDescription": "Number of Ops tagged by IBS that retired.", + "PublicDescription": "Tagged IBS Ops. Number of Ops tagged by IBS that retired.", + "UMask": "0x2" + }, + { + "EventName": "ex_tagged_ibs_ops.ibs_tagged_ops", + "EventCode": "0x1cf", + "BriefDescription": "Number of Ops tagged by IBS.", + "PublicDescription": "Tagged IBS Ops. Number of Ops tagged by IBS.", + "UMask": "0x1" + }, + { + "EventName": "ex_ret_fus_brnch_inst", + "EventCode": "0x1d0", + "BriefDescription": "The number of fused retired branch instructions retired per cycle. The number of events logged per cycle can vary from 0 to 3." + } +] diff --git a/tools/perf/pmu-events/arch/x86/amdfam17h/floating-point.json b/tools/perf/pmu-events/arch/x86/amdfam17h/floating-point.json new file mode 100644 index 000000000000..ea4711983d1d --- /dev/null +++ b/tools/perf/pmu-events/arch/x86/amdfam17h/floating-point.json @@ -0,0 +1,168 @@ +[ + { + "EventName": "fpu_pipe_assignment.dual", + "EventCode": "0x00", + "BriefDescription": "Total number multi-pipe uOps.", + "PublicDescription": "The number of operations (uOps) and dual-pipe uOps dispatched to each of the 4 FPU execution pipelines. This event reflects how busy the FPU pipelines are and may be used for workload characterization. This includes all operations performed by x87, MMX, and SSE instructions, including moves. Each increment represents a one- cycle dispatch event. This event is a speculative event. Since this event includes non-numeric operations it is not suitable for measuring MFLOPS. Total number multi-pipe uOps assigned to Pipe 3.", + "UMask": "0xf0" + }, + { + "EventName": "fpu_pipe_assignment.total", + "EventCode": "0x00", + "BriefDescription": "Total number uOps.", + "PublicDescription": "The number of operations (uOps) and dual-pipe uOps dispatched to each of the 4 FPU execution pipelines. This event reflects how busy the FPU pipelines are and may be used for workload characterization. This includes all operations performed by x87, MMX, and SSE instructions, including moves. Each increment represents a one- cycle dispatch event. This event is a speculative event. Since this event includes non-numeric operations it is not suitable for measuring MFLOPS. Total number uOps assigned to Pipe 3.", + "UMask": "0xf" + }, + { + "EventName": "fp_sched_empty", + "EventCode": "0x01", + "BriefDescription": "This is a speculative event. The number of cycles in which the FPU scheduler is empty. Note that some Ops like FP loads bypass the scheduler." + }, + { + "EventName": "fp_retx87_fp_ops.all", + "EventCode": "0x02", + "BriefDescription": "All Ops.", + "PublicDescription": "The number of x87 floating-point Ops that have retired. The number of events logged per cycle can vary from 0 to 8.", + "UMask": "0x7" + }, + { + "EventName": "fp_retx87_fp_ops.div_sqr_r_ops", + "EventCode": "0x02", + "BriefDescription": "Divide and square root Ops.", + "PublicDescription": "The number of x87 floating-point Ops that have retired. The number of events logged per cycle can vary from 0 to 8. Divide and square root Ops.", + "UMask": "0x4" + }, + { + "EventName": "fp_retx87_fp_ops.mul_ops", + "EventCode": "0x02", + "BriefDescription": "Multiply Ops.", + "PublicDescription": "The number of x87 floating-point Ops that have retired. The number of events logged per cycle can vary from 0 to 8. Multiply Ops.", + "UMask": "0x2" + }, + { + "EventName": "fp_retx87_fp_ops.add_sub_ops", + "EventCode": "0x02", + "BriefDescription": "Add/subtract Ops.", + "PublicDescription": "The number of x87 floating-point Ops that have retired. The number of events logged per cycle can vary from 0 to 8. Add/subtract Ops.", + "UMask": "0x1" + }, + { + "EventName": "fp_ret_sse_avx_ops.all", + "EventCode": "0x03", + "BriefDescription": "All FLOPS.", + "PublicDescription": "This is a retire-based event. The number of retired SSE/AVX FLOPS. The number of events logged per cycle can vary from 0 to 64. This event can count above 15.", + "UMask": "0xff" + }, + { + "EventName": "fp_ret_sse_avx_ops.dp_mult_add_flops", + "EventCode": "0x03", + "BriefDescription": "Double precision multiply-add FLOPS. Multiply-add counts as 2 FLOPS.", + "PublicDescription": "This is a retire-based event. The number of retired SSE/AVX FLOPS. The number of events logged per cycle can vary from 0 to 64. This event can count above 15. Double precision multiply-add FLOPS. Multiply-add counts as 2 FLOPS.", + "UMask": "0x80" + }, + { + "EventName": "fp_ret_sse_avx_ops.dp_div_flops", + "EventCode": "0x03", + "BriefDescription": "Double precision divide/square root FLOPS.", + "PublicDescription": "This is a retire-based event. The number of retired SSE/AVX FLOPS. The number of events logged per cycle can vary from 0 to 64. This event can count above 15. Double precision divide/square root FLOPS.", + "UMask": "0x40" + }, + { + "EventName": "fp_ret_sse_avx_ops.dp_mult_flops", + "EventCode": "0x03", + "BriefDescription": "Double precision multiply FLOPS.", + "PublicDescription": "This is a retire-based event. The number of retired SSE/AVX FLOPS. The number of events logged per cycle can vary from 0 to 64. This event can count above 15. Double precision multiply FLOPS.", + "UMask": "0x20" + }, + { + "EventName": "fp_ret_sse_avx_ops.dp_add_sub_flops", + "EventCode": "0x03", + "BriefDescription": "Double precision add/subtract FLOPS.", + "PublicDescription": "This is a retire-based event. The number of retired SSE/AVX FLOPS. The number of events logged per cycle can vary from 0 to 64. This event can count above 15. Double precision add/subtract FLOPS.", + "UMask": "0x10" + }, + { + "EventName": "fp_ret_sse_avx_ops.sp_mult_add_flops", + "EventCode": "0x03", + "BriefDescription": "Single precision multiply-add FLOPS. Multiply-add counts as 2 FLOPS.", + "PublicDescription": "This is a retire-based event. The number of retired SSE/AVX FLOPS. The number of events logged per cycle can vary from 0 to 64. This event can count above 15. Single precision multiply-add FLOPS. Multiply-add counts as 2 FLOPS.", + "UMask": "0x8" + }, + { + "EventName": "fp_ret_sse_avx_ops.sp_div_flops", + "EventCode": "0x03", + "BriefDescription": "Single-precision divide/square root FLOPS.", + "PublicDescription": "This is a retire-based event. The number of retired SSE/AVX FLOPS. The number of events logged per cycle can vary from 0 to 64. This event can count above 15. Single-precision divide/square root FLOPS.", + "UMask": "0x4" + }, + { + "EventName": "fp_ret_sse_avx_ops.sp_mult_flops", + "EventCode": "0x03", + "BriefDescription": "Single-precision multiply FLOPS.", + "PublicDescription": "This is a retire-based event. The number of retired SSE/AVX FLOPS. The number of events logged per cycle can vary from 0 to 64. This event can count above 15. Single-precision multiply FLOPS.", + "UMask": "0x2" + }, + { + "EventName": "fp_ret_sse_avx_ops.sp_add_sub_flops", + "EventCode": "0x03", + "BriefDescription": "Single-precision add/subtract FLOPS.", + "PublicDescription": "This is a retire-based event. The number of retired SSE/AVX FLOPS. The number of events logged per cycle can vary from 0 to 64. This event can count above 15. Single-precision add/subtract FLOPS.", + "UMask": "0x1" + }, + { + "EventName": "fp_num_mov_elim_scal_op.optimized", + "EventCode": "0x04", + "BriefDescription": "Number of Scalar Ops optimized.", + "PublicDescription": "This is a dispatch based speculative event, and is useful for measuring the effectiveness of the Move elimination and Scalar code optimization schemes. Number of Scalar Ops optimized.", + "UMask": "0x8" + }, + { + "EventName": "fp_num_mov_elim_scal_op.opt_potential", + "EventCode": "0x04", + "BriefDescription": "Number of Ops that are candidates for optimization (have Z-bit either set or pass).", + "PublicDescription": "This is a dispatch based speculative event, and is useful for measuring the effectiveness of the Move elimination and Scalar code optimization schemes. Number of Ops that are candidates for optimization (have Z-bit either set or pass).", + "UMask": "0x4" + }, + { + "EventName": "fp_num_mov_elim_scal_op.sse_mov_ops_elim", + "EventCode": "0x04", + "BriefDescription": "Number of SSE Move Ops eliminated.", + "PublicDescription": "This is a dispatch based speculative event, and is useful for measuring the effectiveness of the Move elimination and Scalar code optimization schemes. Number of SSE Move Ops eliminated.", + "UMask": "0x2" + }, + { + "EventName": "fp_num_mov_elim_scal_op.sse_mov_ops", + "EventCode": "0x04", + "BriefDescription": "Number of SSE Move Ops.", + "PublicDescription": "This is a dispatch based speculative event, and is useful for measuring the effectiveness of the Move elimination and Scalar code optimization schemes. Number of SSE Move Ops.", + "UMask": "0x1" + }, + { + "EventName": "fp_retired_ser_ops.x87_ctrl_ret", + "EventCode": "0x05", + "BriefDescription": "x87 control word mispredict traps due to mispredictions in RC or PC, or changes in mask bits.", + "PublicDescription": "The number of serializing Ops retired. x87 control word mispredict traps due to mispredictions in RC or PC, or changes in mask bits.", + "UMask": "0x8" + }, + { + "EventName": "fp_retired_ser_ops.x87_bot_ret", + "EventCode": "0x05", + "BriefDescription": "x87 bottom-executing uOps retired.", + "PublicDescription": "The number of serializing Ops retired. x87 bottom-executing uOps retired.", + "UMask": "0x4" + }, + { + "EventName": "fp_retired_ser_ops.sse_ctrl_ret", + "EventCode": "0x05", + "BriefDescription": "SSE control word mispredict traps due to mispredictions in RC, FTZ or DAZ, or changes in mask bits.", + "PublicDescription": "The number of serializing Ops retired. SSE control word mispredict traps due to mispredictions in RC, FTZ or DAZ, or changes in mask bits.", + "UMask": "0x2" + }, + { + "EventName": "fp_retired_ser_ops.sse_bot_ret", + "EventCode": "0x05", + "BriefDescription": "SSE bottom-executing uOps retired.", + "PublicDescription": "The number of serializing Ops retired. SSE bottom-executing uOps retired.", + "UMask": "0x1" + } +] diff --git a/tools/perf/pmu-events/arch/x86/amdfam17h/memory.json b/tools/perf/pmu-events/arch/x86/amdfam17h/memory.json new file mode 100644 index 000000000000..fa2d60d4def0 --- /dev/null +++ b/tools/perf/pmu-events/arch/x86/amdfam17h/memory.json @@ -0,0 +1,162 @@ +[ + { + "EventName": "ls_locks.bus_lock", + "EventCode": "0x25", + "BriefDescription": "Bus lock when a locked operations crosses a cache boundary or is done on an uncacheable memory type.", + "PublicDescription": "Bus lock when a locked operations crosses a cache boundary or is done on an uncacheable memory type.", + "UMask": "0x1" + }, + { + "EventName": "ls_dispatch.ld_st_dispatch", + "EventCode": "0x29", + "BriefDescription": "Load-op-Stores.", + "PublicDescription": "Counts the number of operations dispatched to the LS unit. Unit Masks ADDed. Load-op-Stores.", + "UMask": "0x4" + }, + { + "EventName": "ls_dispatch.store_dispatch", + "EventCode": "0x29", + "BriefDescription": "Counts the number of operations dispatched to the LS unit. Unit Masks ADDed.", + "PublicDescription": "Counts the number of operations dispatched to the LS unit. Unit Masks ADDed.", + "UMask": "0x2" + }, + { + "EventName": "ls_dispatch.ld_dispatch", + "EventCode": "0x29", + "BriefDescription": "Counts the number of operations dispatched to the LS unit. Unit Masks ADDed.", + "PublicDescription": "Counts the number of operations dispatched to the LS unit. Unit Masks ADDed.", + "UMask": "0x1" + }, + { + "EventName": "ls_stlf", + "EventCode": "0x35", + "BriefDescription": "Number of STLF hits." + }, + { + "EventName": "ls_dc_accesses", + "EventCode": "0x40", + "BriefDescription": "The number of accesses to the data cache for load and store references. This may include certain microcode scratchpad accesses, although these are generally rare. Each increment represents an eight-byte access, although the instruction may only be accessing a portion of that. This event is a speculative event." + }, + { + "EventName": "ls_l1_d_tlb_miss.all", + "EventCode": "0x45", + "BriefDescription": "L1 DTLB Miss or Reload off all sizes.", + "PublicDescription": "L1 DTLB Miss or Reload off all sizes.", + "UMask": "0xff" + }, + { + "EventName": "ls_l1_d_tlb_miss.tlb_reload_1g_l2_miss", + "EventCode": "0x45", + "BriefDescription": "L1 DTLB Miss of a page of 1G size.", + "PublicDescription": "L1 DTLB Miss of a page of 1G size.", + "UMask": "0x80" + }, + { + "EventName": "ls_l1_d_tlb_miss.tlb_reload_2m_l2_miss", + "EventCode": "0x45", + "BriefDescription": "L1 DTLB Miss of a page of 2M size.", + "PublicDescription": "L1 DTLB Miss of a page of 2M size.", + "UMask": "0x40" + }, + { + "EventName": "ls_l1_d_tlb_miss.tlb_reload_32k_l2_miss", + "EventCode": "0x45", + "BriefDescription": "L1 DTLB Miss of a page of 32K size.", + "PublicDescription": "L1 DTLB Miss of a page of 32K size.", + "UMask": "0x20" + }, + { + "EventName": "ls_l1_d_tlb_miss.tlb_reload_4k_l2_miss", + "EventCode": "0x45", + "BriefDescription": "L1 DTLB Miss of a page of 4K size.", + "PublicDescription": "L1 DTLB Miss of a page of 4K size.", + "UMask": "0x10" + }, + { + "EventName": "ls_l1_d_tlb_miss.tlb_reload_1g_l2_hit", + "EventCode": "0x45", + "BriefDescription": "L1 DTLB Reload of a page of 1G size.", + "PublicDescription": "L1 DTLB Reload of a page of 1G size.", + "UMask": "0x8" + }, + { + "EventName": "ls_l1_d_tlb_miss.tlb_reload_2m_l2_hit", + "EventCode": "0x45", + "BriefDescription": "L1 DTLB Reload of a page of 2M size.", + "PublicDescription": "L1 DTLB Reload of a page of 2M size.", + "UMask": "0x4" + }, + { + "EventName": "ls_l1_d_tlb_miss.tlb_reload_32k_l2_hit", + "EventCode": "0x45", + "BriefDescription": "L1 DTLB Reload of a page of 32K size.", + "PublicDescription": "L1 DTLB Reload of a page of 32K size.", + "UMask": "0x2" + }, + { + "EventName": "ls_l1_d_tlb_miss.tlb_reload_4k_l2_hit", + "EventCode": "0x45", + "BriefDescription": "L1 DTLB Reload of a page of 4K size.", + "PublicDescription": "L1 DTLB Reload of a page of 4K size.", + "UMask": "0x1" + }, + { + "EventName": "ls_tablewalker.perf_mon_tablewalk_alloc_iside", + "EventCode": "0x46", + "BriefDescription": "Tablewalker allocation.", + "PublicDescription": "Tablewalker allocation.", + "UMask": "0xc" + }, + { + "EventName": "ls_tablewalker.perf_mon_tablewalk_alloc_dside", + "EventCode": "0x46", + "BriefDescription": "Tablewalker allocation.", + "PublicDescription": "Tablewalker allocation.", + "UMask": "0x3" + }, + { + "EventName": "ls_misal_accesses", + "EventCode": "0x47", + "BriefDescription": "Misaligned loads." + }, + { + "EventName": "ls_pref_instr_disp.prefetch_nta", + "EventCode": "0x4b", + "BriefDescription": "Software Prefetch Instructions (PREFETCHNTA instruction) Dispatched.", + "PublicDescription": "Software Prefetch Instructions (PREFETCHNTA instruction) Dispatched.", + "UMask": "0x4" + }, + { + "EventName": "ls_pref_instr_disp.store_prefetch_w", + "EventCode": "0x4b", + "BriefDescription": "Software Prefetch Instructions (3DNow PREFETCHW instruction) Dispatched.", + "PublicDescription": "Software Prefetch Instructions (3DNow PREFETCHW instruction) Dispatched.", + "UMask": "0x2" + }, + { + "EventName": "ls_pref_instr_disp.load_prefetch_w", + "EventCode": "0x4b", + "BriefDescription": "Prefetch, Prefetch_T0_T1_T2.", + "PublicDescription": "Software Prefetch Instructions Dispatched. Prefetch, Prefetch_T0_T1_T2.", + "UMask": "0x1" + }, + { + "EventName": "ls_inef_sw_pref.mab_mch_cnt", + "EventCode": "0x52", + "BriefDescription": "The number of software prefetches that did not fetch data outside of the processor core.", + "PublicDescription": "The number of software prefetches that did not fetch data outside of the processor core.", + "UMask": "0x2" + }, + { + "EventName": "ls_inef_sw_pref.data_pipe_sw_pf_dc_hit", + "EventCode": "0x52", + "BriefDescription": "The number of software prefetches that did not fetch data outside of the processor core.", + "PublicDescription": "The number of software prefetches that did not fetch data outside of the processor core.", + "UMask": "0x1" + }, + { + "EventName": "ls_not_halted_cyc", + "EventCode": "0x76", + "BriefDescription": "Cycles not in Halt." + } +] diff --git a/tools/perf/pmu-events/arch/x86/amdfam17h/other.json b/tools/perf/pmu-events/arch/x86/amdfam17h/other.json new file mode 100644 index 000000000000..b26a00d05a2e --- /dev/null +++ b/tools/perf/pmu-events/arch/x86/amdfam17h/other.json @@ -0,0 +1,65 @@ +[ + { + "EventName": "ic_oc_mode_switch.oc_ic_mode_switch", + "EventCode": "0x28a", + "BriefDescription": "OC to IC mode switch.", + "PublicDescription": "OC Mode Switch. OC to IC mode switch.", + "UMask": "0x2" + }, + { + "EventName": "ic_oc_mode_switch.ic_oc_mode_switch", + "EventCode": "0x28a", + "BriefDescription": "IC to OC mode switch.", + "PublicDescription": "OC Mode Switch. IC to OC mode switch.", + "UMask": "0x1" + }, + { + "EventName": "de_dis_dispatch_token_stalls0.retire_token_stall", + "EventCode": "0xaf", + "BriefDescription": "RETIRE Tokens unavailable.", + "PublicDescription": "Cycles where a dispatch group is valid but does not get dispatched due to a token stall. RETIRE Tokens unavailable.", + "UMask": "0x40" + }, + { + "EventName": "de_dis_dispatch_token_stalls0.agsq_token_stall", + "EventCode": "0xaf", + "BriefDescription": "AGSQ Tokens unavailable.", + "PublicDescription": "Cycles where a dispatch group is valid but does not get dispatched due to a token stall. AGSQ Tokens unavailable.", + "UMask": "0x20" + }, + { + "EventName": "de_dis_dispatch_token_stalls0.alu_token_stall", + "EventCode": "0xaf", + "BriefDescription": "ALU tokens total unavailable.", + "PublicDescription": "Cycles where a dispatch group is valid but does not get dispatched due to a token stall. ALU tokens total unavailable.", + "UMask": "0x10" + }, + { + "EventName": "de_dis_dispatch_token_stalls0.alsq3_0_token_stall", + "EventCode": "0xaf", + "BriefDescription": "Cycles where a dispatch group is valid but does not get dispatched due to a token stall.", + "PublicDescription": "Cycles where a dispatch group is valid but does not get dispatched due to a token stall.", + "UMask": "0x8" + }, + { + "EventName": "de_dis_dispatch_token_stalls0.alsq3_token_stall", + "EventCode": "0xaf", + "BriefDescription": "ALSQ 3 Tokens unavailable.", + "PublicDescription": "Cycles where a dispatch group is valid but does not get dispatched due to a token stall. ALSQ 3 Tokens unavailable.", + "UMask": "0x4" + }, + { + "EventName": "de_dis_dispatch_token_stalls0.alsq2_token_stall", + "EventCode": "0xaf", + "BriefDescription": "ALSQ 2 Tokens unavailable.", + "PublicDescription": "Cycles where a dispatch group is valid but does not get dispatched due to a token stall. ALSQ 2 Tokens unavailable.", + "UMask": "0x2" + }, + { + "EventName": "de_dis_dispatch_token_stalls0.alsq1_token_stall", + "EventCode": "0xaf", + "BriefDescription": "ALSQ 1 Tokens unavailable.", + "PublicDescription": "Cycles where a dispatch group is valid but does not get dispatched due to a token stall. ALSQ 1 Tokens unavailable.", + "UMask": "0x1" + } +] diff --git a/tools/perf/pmu-events/arch/x86/mapfile.csv b/tools/perf/pmu-events/arch/x86/mapfile.csv index e05c2c8458fc..d6984a3017e0 100644 --- a/tools/perf/pmu-events/arch/x86/mapfile.csv +++ b/tools/perf/pmu-events/arch/x86/mapfile.csv @@ -33,3 +33,4 @@ GenuineIntel-6-25,v2,westmereep-sp,core GenuineIntel-6-2F,v2,westmereex,core GenuineIntel-6-55-[01234],v1,skylakex,core GenuineIntel-6-55-[56789ABCDEF],v1,cascadelakex,core +AuthenticAMD-23-[[:xdigit:]]+,v1,amdfam17h,core diff --git a/tools/perf/scripts/python/export-to-postgresql.py b/tools/perf/scripts/python/export-to-postgresql.py index 390a351d15ea..c3eae1d77d36 100644 --- a/tools/perf/scripts/python/export-to-postgresql.py +++ b/tools/perf/scripts/python/export-to-postgresql.py @@ -10,6 +10,8 @@ # FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for # more details. +from __future__ import print_function + import os import sys import struct @@ -199,6 +201,18 @@ import datetime from PySide.QtSql import * +if sys.version_info < (3, 0): + def toserverstr(str): + return str + def toclientstr(str): + return str +else: + # Assume UTF-8 server_encoding and client_encoding + def toserverstr(str): + return bytes(str, "UTF_8") + def toclientstr(str): + return bytes(str, "UTF_8") + # Need to access PostgreSQL C library directly to use COPY FROM STDIN from ctypes import * libpq = CDLL("libpq.so.5") @@ -234,12 +248,17 @@ perf_db_export_mode = True perf_db_export_calls = False perf_db_export_callchains = False +def printerr(*args, **kw_args): + print(*args, file=sys.stderr, **kw_args) + +def printdate(*args, **kw_args): + print(datetime.datetime.today(), *args, sep=' ', **kw_args) def usage(): - print >> sys.stderr, "Usage is: export-to-postgresql.py <database name> [<columns>] [<calls>] [<callchains>]" - print >> sys.stderr, "where: columns 'all' or 'branches'" - print >> sys.stderr, " calls 'calls' => create calls and call_paths table" - print >> sys.stderr, " callchains 'callchains' => create call_paths table" + printerr("Usage is: export-to-postgresql.py <database name> [<columns>] [<calls>] [<callchains>]") + printerr("where: columns 'all' or 'branches'") + printerr(" calls 'calls' => create calls and call_paths table") + printerr(" callchains 'callchains' => create call_paths table") raise Exception("Too few arguments") if (len(sys.argv) < 2): @@ -273,7 +292,7 @@ def do_query(q, s): return raise Exception("Query failed: " + q.lastError().text()) -print datetime.datetime.today(), "Creating database..." +printdate("Creating database...") db = QSqlDatabase.addDatabase('QPSQL') query = QSqlQuery(db) @@ -506,12 +525,12 @@ do_query(query, 'CREATE VIEW samples_view AS ' ' FROM samples') -file_header = struct.pack("!11sii", "PGCOPY\n\377\r\n\0", 0, 0) -file_trailer = "\377\377" +file_header = struct.pack("!11sii", b"PGCOPY\n\377\r\n\0", 0, 0) +file_trailer = b"\377\377" def open_output_file(file_name): path_name = output_dir_name + "/" + file_name - file = open(path_name, "w+") + file = open(path_name, "wb+") file.write(file_header) return file @@ -526,13 +545,13 @@ def copy_output_file_direct(file, table_name): # Use COPY FROM STDIN because security may prevent postgres from accessing the files directly def copy_output_file(file, table_name): - conn = PQconnectdb("dbname = " + dbname) + conn = PQconnectdb(toclientstr("dbname = " + dbname)) if (PQstatus(conn)): raise Exception("COPY FROM STDIN PQconnectdb failed") file.write(file_trailer) file.seek(0) sql = "COPY " + table_name + " FROM STDIN (FORMAT 'binary')" - res = PQexec(conn, sql) + res = PQexec(conn, toclientstr(sql)) if (PQresultStatus(res) != 4): raise Exception("COPY FROM STDIN PQexec failed") data = file.read(65536) @@ -566,7 +585,7 @@ if perf_db_export_calls: call_file = open_output_file("call_table.bin") def trace_begin(): - print datetime.datetime.today(), "Writing to intermediate files..." + printdate("Writing to intermediate files...") # id == 0 means unknown. It is easier to create records for them than replace the zeroes with NULLs evsel_table(0, "unknown") machine_table(0, 0, "unknown") @@ -582,7 +601,7 @@ def trace_begin(): unhandled_count = 0 def trace_end(): - print datetime.datetime.today(), "Copying to database..." + printdate("Copying to database...") copy_output_file(evsel_file, "selected_events") copy_output_file(machine_file, "machines") copy_output_file(thread_file, "threads") @@ -597,7 +616,7 @@ def trace_end(): if perf_db_export_calls: copy_output_file(call_file, "calls") - print datetime.datetime.today(), "Removing intermediate files..." + printdate("Removing intermediate files...") remove_output_file(evsel_file) remove_output_file(machine_file) remove_output_file(thread_file) @@ -612,7 +631,7 @@ def trace_end(): if perf_db_export_calls: remove_output_file(call_file) os.rmdir(output_dir_name) - print datetime.datetime.today(), "Adding primary keys" + printdate("Adding primary keys") do_query(query, 'ALTER TABLE selected_events ADD PRIMARY KEY (id)') do_query(query, 'ALTER TABLE machines ADD PRIMARY KEY (id)') do_query(query, 'ALTER TABLE threads ADD PRIMARY KEY (id)') @@ -627,7 +646,7 @@ def trace_end(): if perf_db_export_calls: do_query(query, 'ALTER TABLE calls ADD PRIMARY KEY (id)') - print datetime.datetime.today(), "Adding foreign keys" + printdate("Adding foreign keys") do_query(query, 'ALTER TABLE threads ' 'ADD CONSTRAINT machinefk FOREIGN KEY (machine_id) REFERENCES machines (id),' 'ADD CONSTRAINT processfk FOREIGN KEY (process_id) REFERENCES threads (id)') @@ -663,8 +682,8 @@ def trace_end(): do_query(query, 'CREATE INDEX pid_idx ON calls (parent_id)') if (unhandled_count): - print datetime.datetime.today(), "Warning: ", unhandled_count, " unhandled events" - print datetime.datetime.today(), "Done" + printdate("Warning: ", unhandled_count, " unhandled events") + printdate("Done") def trace_unhandled(event_name, context, event_fields_dict): global unhandled_count @@ -674,12 +693,14 @@ def sched__sched_switch(*x): pass def evsel_table(evsel_id, evsel_name, *x): + evsel_name = toserverstr(evsel_name) n = len(evsel_name) fmt = "!hiqi" + str(n) + "s" value = struct.pack(fmt, 2, 8, evsel_id, n, evsel_name) evsel_file.write(value) def machine_table(machine_id, pid, root_dir, *x): + root_dir = toserverstr(root_dir) n = len(root_dir) fmt = "!hiqiii" + str(n) + "s" value = struct.pack(fmt, 3, 8, machine_id, 4, pid, n, root_dir) @@ -690,6 +711,7 @@ def thread_table(thread_id, machine_id, process_id, pid, tid, *x): thread_file.write(value) def comm_table(comm_id, comm_str, *x): + comm_str = toserverstr(comm_str) n = len(comm_str) fmt = "!hiqi" + str(n) + "s" value = struct.pack(fmt, 2, 8, comm_id, n, comm_str) @@ -701,6 +723,9 @@ def comm_thread_table(comm_thread_id, comm_id, thread_id, *x): comm_thread_file.write(value) def dso_table(dso_id, machine_id, short_name, long_name, build_id, *x): + short_name = toserverstr(short_name) + long_name = toserverstr(long_name) + build_id = toserverstr(build_id) n1 = len(short_name) n2 = len(long_name) n3 = len(build_id) @@ -709,12 +734,14 @@ def dso_table(dso_id, machine_id, short_name, long_name, build_id, *x): dso_file.write(value) def symbol_table(symbol_id, dso_id, sym_start, sym_end, binding, symbol_name, *x): + symbol_name = toserverstr(symbol_name) n = len(symbol_name) fmt = "!hiqiqiqiqiii" + str(n) + "s" value = struct.pack(fmt, 6, 8, symbol_id, 8, dso_id, 8, sym_start, 8, sym_end, 4, binding, n, symbol_name) symbol_file.write(value) def branch_type_table(branch_type, name, *x): + name = toserverstr(name) n = len(name) fmt = "!hiii" + str(n) + "s" value = struct.pack(fmt, 2, 4, branch_type, n, name) diff --git a/tools/perf/scripts/python/export-to-sqlite.py b/tools/perf/scripts/python/export-to-sqlite.py index eb63e6c7107f..3b71902a5a21 100644 --- a/tools/perf/scripts/python/export-to-sqlite.py +++ b/tools/perf/scripts/python/export-to-sqlite.py @@ -10,6 +10,8 @@ # FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for # more details. +from __future__ import print_function + import os import sys import struct @@ -60,11 +62,17 @@ perf_db_export_mode = True perf_db_export_calls = False perf_db_export_callchains = False +def printerr(*args, **keyword_args): + print(*args, file=sys.stderr, **keyword_args) + +def printdate(*args, **kw_args): + print(datetime.datetime.today(), *args, sep=' ', **kw_args) + def usage(): - print >> sys.stderr, "Usage is: export-to-sqlite.py <database name> [<columns>] [<calls>] [<callchains>]" - print >> sys.stderr, "where: columns 'all' or 'branches'" - print >> sys.stderr, " calls 'calls' => create calls and call_paths table" - print >> sys.stderr, " callchains 'callchains' => create call_paths table" + printerr("Usage is: export-to-sqlite.py <database name> [<columns>] [<calls>] [<callchains>]"); + printerr("where: columns 'all' or 'branches'"); + printerr(" calls 'calls' => create calls and call_paths table"); + printerr(" callchains 'callchains' => create call_paths table"); raise Exception("Too few arguments") if (len(sys.argv) < 2): @@ -100,7 +108,7 @@ def do_query_(q): return raise Exception("Query failed: " + q.lastError().text()) -print datetime.datetime.today(), "Creating database..." +printdate("Creating database ...") db_exists = False try: @@ -378,7 +386,7 @@ if perf_db_export_calls: call_query.prepare("INSERT INTO calls VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)") def trace_begin(): - print datetime.datetime.today(), "Writing records..." + printdate("Writing records...") do_query(query, 'BEGIN TRANSACTION') # id == 0 means unknown. It is easier to create records for them than replace the zeroes with NULLs evsel_table(0, "unknown") @@ -397,14 +405,14 @@ unhandled_count = 0 def trace_end(): do_query(query, 'END TRANSACTION') - print datetime.datetime.today(), "Adding indexes" + printdate("Adding indexes") if perf_db_export_calls: do_query(query, 'CREATE INDEX pcpid_idx ON calls (parent_call_path_id)') do_query(query, 'CREATE INDEX pid_idx ON calls (parent_id)') if (unhandled_count): - print datetime.datetime.today(), "Warning: ", unhandled_count, " unhandled events" - print datetime.datetime.today(), "Done" + printdate("Warning: ", unhandled_count, " unhandled events") + printdate("Done") def trace_unhandled(event_name, context, event_fields_dict): global unhandled_count diff --git a/tools/perf/scripts/python/exported-sql-viewer.py b/tools/perf/scripts/python/exported-sql-viewer.py index afec9479ca7f..74ef92f1d19a 100755 --- a/tools/perf/scripts/python/exported-sql-viewer.py +++ b/tools/perf/scripts/python/exported-sql-viewer.py @@ -88,20 +88,39 @@ # 7fab593ea956 48 89 15 3b 13 22 00 movq %rdx, 0x22133b(%rip) # 8107675243232 2 ls 22011 22011 hardware interrupt No 7fab593ea956 _dl_start+0x26 (ld-2.19.so) -> ffffffff86a012e0 page_fault ([kernel]) +from __future__ import print_function + import sys import weakref import threading import string -import cPickle +try: + # Python2 + import cPickle as pickle + # size of pickled integer big enough for record size + glb_nsz = 8 +except ImportError: + import pickle + glb_nsz = 16 import re import os from PySide.QtCore import * from PySide.QtGui import * from PySide.QtSql import * +pyside_version_1 = True from decimal import * from ctypes import * from multiprocessing import Process, Array, Value, Event +# xrange is range in Python3 +try: + xrange +except NameError: + xrange = range + +def printerr(*args, **keyword_args): + print(*args, file=sys.stderr, **keyword_args) + # Data formatting helpers def tohex(ip): @@ -1004,10 +1023,6 @@ class ChildDataItemFinder(): glb_chunk_sz = 10000 -# size of pickled integer big enough for record size - -glb_nsz = 8 - # Background process for SQL data fetcher class SQLFetcherProcess(): @@ -1066,7 +1081,7 @@ class SQLFetcherProcess(): return True if space >= glb_nsz: # Use 0 (or space < glb_nsz) to mean there is no more at the top of the buffer - nd = cPickle.dumps(0, cPickle.HIGHEST_PROTOCOL) + nd = pickle.dumps(0, pickle.HIGHEST_PROTOCOL) self.buffer[self.local_head : self.local_head + len(nd)] = nd self.local_head = 0 if self.local_tail - self.local_head > sz: @@ -1084,9 +1099,9 @@ class SQLFetcherProcess(): self.wait_event.wait() def AddToBuffer(self, obj): - d = cPickle.dumps(obj, cPickle.HIGHEST_PROTOCOL) + d = pickle.dumps(obj, pickle.HIGHEST_PROTOCOL) n = len(d) - nd = cPickle.dumps(n, cPickle.HIGHEST_PROTOCOL) + nd = pickle.dumps(n, pickle.HIGHEST_PROTOCOL) sz = n + glb_nsz self.WaitForSpace(sz) pos = self.local_head @@ -1198,12 +1213,12 @@ class SQLFetcher(QObject): pos = self.local_tail if len(self.buffer) - pos < glb_nsz: pos = 0 - n = cPickle.loads(self.buffer[pos : pos + glb_nsz]) + n = pickle.loads(self.buffer[pos : pos + glb_nsz]) if n == 0: pos = 0 - n = cPickle.loads(self.buffer[0 : glb_nsz]) + n = pickle.loads(self.buffer[0 : glb_nsz]) pos += glb_nsz - obj = cPickle.loads(self.buffer[pos : pos + n]) + obj = pickle.loads(self.buffer[pos : pos + n]) self.local_tail = pos + n return obj @@ -1512,6 +1527,19 @@ def BranchDataPrep(query): " (" + dsoname(query.value(15)) + ")") return data +def BranchDataPrepWA(query): + data = [] + data.append(query.value(0)) + # Workaround pyside failing to handle large integers (i.e. time) in python3 by converting to a string + data.append("{:>19}".format(query.value(1))) + for i in xrange(2, 8): + data.append(query.value(i)) + data.append(tohex(query.value(8)).rjust(16) + " " + query.value(9) + offstr(query.value(10)) + + " (" + dsoname(query.value(11)) + ")" + " -> " + + tohex(query.value(12)) + " " + query.value(13) + offstr(query.value(14)) + + " (" + dsoname(query.value(15)) + ")") + return data + # Branch data model class BranchModel(TreeModel): @@ -1539,7 +1567,11 @@ class BranchModel(TreeModel): " AND evsel_id = " + str(self.event_id) + " ORDER BY samples.id" " LIMIT " + str(glb_chunk_sz)) - self.fetcher = SQLFetcher(glb, sql, BranchDataPrep, self.AddSample) + if pyside_version_1 and sys.version_info[0] == 3: + prep = BranchDataPrepWA + else: + prep = BranchDataPrep + self.fetcher = SQLFetcher(glb, sql, prep, self.AddSample) self.fetcher.done.connect(self.Update) self.fetcher.Fetch(glb_chunk_sz) @@ -2065,14 +2097,6 @@ def IsSelectable(db, table, sql = ""): return False return True -# SQL data preparation - -def SQLTableDataPrep(query, count): - data = [] - for i in xrange(count): - data.append(query.value(i)) - return data - # SQL table data model item class SQLTableItem(): @@ -2096,7 +2120,7 @@ class SQLTableModel(TableModel): self.more = True self.populated = 0 self.column_headers = column_headers - self.fetcher = SQLFetcher(glb, sql, lambda x, y=len(column_headers): SQLTableDataPrep(x, y), self.AddSample) + self.fetcher = SQLFetcher(glb, sql, lambda x, y=len(column_headers): self.SQLTableDataPrep(x, y), self.AddSample) self.fetcher.done.connect(self.Update) self.fetcher.Fetch(glb_chunk_sz) @@ -2140,6 +2164,12 @@ class SQLTableModel(TableModel): def columnHeader(self, column): return self.column_headers[column] + def SQLTableDataPrep(self, query, count): + data = [] + for i in xrange(count): + data.append(query.value(i)) + return data + # SQL automatic table data model class SQLAutoTableModel(SQLTableModel): @@ -2168,8 +2198,32 @@ class SQLAutoTableModel(SQLTableModel): QueryExec(query, "SELECT column_name FROM information_schema.columns WHERE table_schema = '" + schema + "' and table_name = '" + select_table_name + "'") while query.next(): column_headers.append(query.value(0)) + if pyside_version_1 and sys.version_info[0] == 3: + if table_name == "samples_view": + self.SQLTableDataPrep = self.samples_view_DataPrep + if table_name == "samples": + self.SQLTableDataPrep = self.samples_DataPrep super(SQLAutoTableModel, self).__init__(glb, sql, column_headers, parent) + def samples_view_DataPrep(self, query, count): + data = [] + data.append(query.value(0)) + # Workaround pyside failing to handle large integers (i.e. time) in python3 by converting to a string + data.append("{:>19}".format(query.value(1))) + for i in xrange(2, count): + data.append(query.value(i)) + return data + + def samples_DataPrep(self, query, count): + data = [] + for i in xrange(9): + data.append(query.value(i)) + # Workaround pyside failing to handle large integers (i.e. time) in python3 by converting to a string + data.append("{:>19}".format(query.value(9))) + for i in xrange(10, count): + data.append(query.value(i)) + return data + # Base class for custom ResizeColumnsToContents class ResizeColumnsToContentsBase(QObject): @@ -2854,9 +2908,13 @@ class LibXED(): ok = self.xed_format_context(2, inst.xedp, inst.bufferp, sizeof(inst.buffer), ip, 0, 0) if not ok: return 0, "" + if sys.version_info[0] == 2: + result = inst.buffer.value + else: + result = inst.buffer.value.decode() # Return instruction length and the disassembled instruction text # For now, assume the length is in byte 166 - return inst.xedd[166], inst.buffer.value + return inst.xedd[166], result def TryOpen(file_name): try: @@ -2872,9 +2930,14 @@ def Is64Bit(f): header = f.read(7) f.seek(pos) magic = header[0:4] - eclass = ord(header[4]) - encoding = ord(header[5]) - version = ord(header[6]) + if sys.version_info[0] == 2: + eclass = ord(header[4]) + encoding = ord(header[5]) + version = ord(header[6]) + else: + eclass = header[4] + encoding = header[5] + version = header[6] if magic == chr(127) + "ELF" and eclass > 0 and eclass < 3 and encoding > 0 and encoding < 3 and version == 1: result = True if eclass == 2 else False return result @@ -2973,7 +3036,7 @@ class DBRef(): def Main(): if (len(sys.argv) < 2): - print >> sys.stderr, "Usage is: exported-sql-viewer.py {<database name> | --help-only}" + printerr("Usage is: exported-sql-viewer.py {<database name> | --help-only}"); raise Exception("Too few arguments") dbname = sys.argv[1] @@ -2986,8 +3049,8 @@ def Main(): is_sqlite3 = False try: - f = open(dbname) - if f.read(15) == "SQLite format 3": + f = open(dbname, "rb") + if f.read(15) == b'SQLite format 3': is_sqlite3 = True f.close() except: diff --git a/tools/perf/tests/attr/test-record-C0 b/tools/perf/tests/attr/test-record-C0 index cb0a3138fa54..93818054ae20 100644 --- a/tools/perf/tests/attr/test-record-C0 +++ b/tools/perf/tests/attr/test-record-C0 @@ -1,6 +1,6 @@ [config] command = record -args = -C 0 kill >/dev/null 2>&1 +args = --no-bpf-event -C 0 kill >/dev/null 2>&1 ret = 1 [event:base-record] diff --git a/tools/perf/tests/attr/test-record-basic b/tools/perf/tests/attr/test-record-basic index 85a23cf35ba1..b0ca42a5ecc9 100644 --- a/tools/perf/tests/attr/test-record-basic +++ b/tools/perf/tests/attr/test-record-basic @@ -1,6 +1,6 @@ [config] command = record -args = kill >/dev/null 2>&1 +args = --no-bpf-event kill >/dev/null 2>&1 ret = 1 [event:base-record] diff --git a/tools/perf/tests/attr/test-record-branch-any b/tools/perf/tests/attr/test-record-branch-any index 81f839e2fad0..1a99b3ce6b89 100644 --- a/tools/perf/tests/attr/test-record-branch-any +++ b/tools/perf/tests/attr/test-record-branch-any @@ -1,6 +1,6 @@ [config] command = record -args = -b kill >/dev/null 2>&1 +args = --no-bpf-event -b kill >/dev/null 2>&1 ret = 1 [event:base-record] diff --git a/tools/perf/tests/attr/test-record-branch-filter-any b/tools/perf/tests/attr/test-record-branch-filter-any index 357421f4dfce..709768b508c6 100644 --- a/tools/perf/tests/attr/test-record-branch-filter-any +++ b/tools/perf/tests/attr/test-record-branch-filter-any @@ -1,6 +1,6 @@ [config] command = record -args = -j any kill >/dev/null 2>&1 +args = --no-bpf-event -j any kill >/dev/null 2>&1 ret = 1 [event:base-record] diff --git a/tools/perf/tests/attr/test-record-branch-filter-any_call b/tools/perf/tests/attr/test-record-branch-filter-any_call index dbc55f2ab845..f943221f7825 100644 --- a/tools/perf/tests/attr/test-record-branch-filter-any_call +++ b/tools/perf/tests/attr/test-record-branch-filter-any_call @@ -1,6 +1,6 @@ [config] command = record -args = -j any_call kill >/dev/null 2>&1 +args = --no-bpf-event -j any_call kill >/dev/null 2>&1 ret = 1 [event:base-record] diff --git a/tools/perf/tests/attr/test-record-branch-filter-any_ret b/tools/perf/tests/attr/test-record-branch-filter-any_ret index a0824ff8e131..fd4f5b4154a9 100644 --- a/tools/perf/tests/attr/test-record-branch-filter-any_ret +++ b/tools/perf/tests/attr/test-record-branch-filter-any_ret @@ -1,6 +1,6 @@ [config] command = record -args = -j any_ret kill >/dev/null 2>&1 +args = --no-bpf-event -j any_ret kill >/dev/null 2>&1 ret = 1 [event:base-record] diff --git a/tools/perf/tests/attr/test-record-branch-filter-hv b/tools/perf/tests/attr/test-record-branch-filter-hv index f34d6f120181..4e52d685ebe1 100644 --- a/tools/perf/tests/attr/test-record-branch-filter-hv +++ b/tools/perf/tests/attr/test-record-branch-filter-hv @@ -1,6 +1,6 @@ [config] command = record -args = -j hv kill >/dev/null 2>&1 +args = --no-bpf-event -j hv kill >/dev/null 2>&1 ret = 1 [event:base-record] diff --git a/tools/perf/tests/attr/test-record-branch-filter-ind_call b/tools/perf/tests/attr/test-record-branch-filter-ind_call index b86a35232248..e08c6ab3796e 100644 --- a/tools/perf/tests/attr/test-record-branch-filter-ind_call +++ b/tools/perf/tests/attr/test-record-branch-filter-ind_call @@ -1,6 +1,6 @@ [config] command = record -args = -j ind_call kill >/dev/null 2>&1 +args = --no-bpf-event -j ind_call kill >/dev/null 2>&1 ret = 1 [event:base-record] diff --git a/tools/perf/tests/attr/test-record-branch-filter-k b/tools/perf/tests/attr/test-record-branch-filter-k index d3fbc5e1858a..b4b98f84fc2f 100644 --- a/tools/perf/tests/attr/test-record-branch-filter-k +++ b/tools/perf/tests/attr/test-record-branch-filter-k @@ -1,6 +1,6 @@ [config] command = record -args = -j k kill >/dev/null 2>&1 +args = --no-bpf-event -j k kill >/dev/null 2>&1 ret = 1 [event:base-record] diff --git a/tools/perf/tests/attr/test-record-branch-filter-u b/tools/perf/tests/attr/test-record-branch-filter-u index a318f0dda173..fb9610edbb0d 100644 --- a/tools/perf/tests/attr/test-record-branch-filter-u +++ b/tools/perf/tests/attr/test-record-branch-filter-u @@ -1,6 +1,6 @@ [config] command = record -args = -j u kill >/dev/null 2>&1 +args = --no-bpf-event -j u kill >/dev/null 2>&1 ret = 1 [event:base-record] diff --git a/tools/perf/tests/attr/test-record-count b/tools/perf/tests/attr/test-record-count index 34f6cc577263..5e9b9019d786 100644 --- a/tools/perf/tests/attr/test-record-count +++ b/tools/perf/tests/attr/test-record-count @@ -1,6 +1,6 @@ [config] command = record -args = -c 123 kill >/dev/null 2>&1 +args = --no-bpf-event -c 123 kill >/dev/null 2>&1 ret = 1 [event:base-record] diff --git a/tools/perf/tests/attr/test-record-data b/tools/perf/tests/attr/test-record-data index a9cf2233b0ce..a99bb13149c2 100644 --- a/tools/perf/tests/attr/test-record-data +++ b/tools/perf/tests/attr/test-record-data @@ -1,6 +1,6 @@ [config] command = record -args = -d kill >/dev/null 2>&1 +args = --no-bpf-event -d kill >/dev/null 2>&1 ret = 1 [event:base-record] diff --git a/tools/perf/tests/attr/test-record-freq b/tools/perf/tests/attr/test-record-freq index bf4cb459f0d5..89e29f6b2ae0 100644 --- a/tools/perf/tests/attr/test-record-freq +++ b/tools/perf/tests/attr/test-record-freq @@ -1,6 +1,6 @@ [config] command = record -args = -F 100 kill >/dev/null 2>&1 +args = --no-bpf-event -F 100 kill >/dev/null 2>&1 ret = 1 [event:base-record] diff --git a/tools/perf/tests/attr/test-record-graph-default b/tools/perf/tests/attr/test-record-graph-default index 0b216e69760c..5d8234d50845 100644 --- a/tools/perf/tests/attr/test-record-graph-default +++ b/tools/perf/tests/attr/test-record-graph-default @@ -1,6 +1,6 @@ [config] command = record -args = -g kill >/dev/null 2>&1 +args = --no-bpf-event -g kill >/dev/null 2>&1 ret = 1 [event:base-record] diff --git a/tools/perf/tests/attr/test-record-graph-dwarf b/tools/perf/tests/attr/test-record-graph-dwarf index da2fa73bd0a2..ae92061d611d 100644 --- a/tools/perf/tests/attr/test-record-graph-dwarf +++ b/tools/perf/tests/attr/test-record-graph-dwarf @@ -1,6 +1,6 @@ [config] command = record -args = --call-graph dwarf -- kill >/dev/null 2>&1 +args = --no-bpf-event --call-graph dwarf -- kill >/dev/null 2>&1 ret = 1 [event:base-record] diff --git a/tools/perf/tests/attr/test-record-graph-fp b/tools/perf/tests/attr/test-record-graph-fp index 625d190bb798..5630521c0b0f 100644 --- a/tools/perf/tests/attr/test-record-graph-fp +++ b/tools/perf/tests/attr/test-record-graph-fp @@ -1,6 +1,6 @@ [config] command = record -args = --call-graph fp kill >/dev/null 2>&1 +args = --no-bpf-event --call-graph fp kill >/dev/null 2>&1 ret = 1 [event:base-record] diff --git a/tools/perf/tests/attr/test-record-group b/tools/perf/tests/attr/test-record-group index 618ba1c17474..14ee60fd3f41 100644 --- a/tools/perf/tests/attr/test-record-group +++ b/tools/perf/tests/attr/test-record-group @@ -1,6 +1,6 @@ [config] command = record -args = --group -e cycles,instructions kill >/dev/null 2>&1 +args = --no-bpf-event --group -e cycles,instructions kill >/dev/null 2>&1 ret = 1 [event-1:base-record] diff --git a/tools/perf/tests/attr/test-record-group-sampling b/tools/perf/tests/attr/test-record-group-sampling index f0729c454f16..300b9f7e6d69 100644 --- a/tools/perf/tests/attr/test-record-group-sampling +++ b/tools/perf/tests/attr/test-record-group-sampling @@ -1,6 +1,6 @@ [config] command = record -args = -e '{cycles,cache-misses}:S' kill >/dev/null 2>&1 +args = --no-bpf-event -e '{cycles,cache-misses}:S' kill >/dev/null 2>&1 ret = 1 [event-1:base-record] diff --git a/tools/perf/tests/attr/test-record-group1 b/tools/perf/tests/attr/test-record-group1 index 48e8bd12fe46..3ffe246e0228 100644 --- a/tools/perf/tests/attr/test-record-group1 +++ b/tools/perf/tests/attr/test-record-group1 @@ -1,6 +1,6 @@ [config] command = record -args = -e '{cycles,instructions}' kill >/dev/null 2>&1 +args = --no-bpf-event -e '{cycles,instructions}' kill >/dev/null 2>&1 ret = 1 [event-1:base-record] diff --git a/tools/perf/tests/attr/test-record-no-buffering b/tools/perf/tests/attr/test-record-no-buffering index aa3956d8fe20..583dcbb078ba 100644 --- a/tools/perf/tests/attr/test-record-no-buffering +++ b/tools/perf/tests/attr/test-record-no-buffering @@ -1,6 +1,6 @@ [config] command = record -args = --no-buffering kill >/dev/null 2>&1 +args = --no-bpf-event --no-buffering kill >/dev/null 2>&1 ret = 1 [event:base-record] diff --git a/tools/perf/tests/attr/test-record-no-inherit b/tools/perf/tests/attr/test-record-no-inherit index 560943decb87..15d1dc162e1c 100644 --- a/tools/perf/tests/attr/test-record-no-inherit +++ b/tools/perf/tests/attr/test-record-no-inherit @@ -1,6 +1,6 @@ [config] command = record -args = -i kill >/dev/null 2>&1 +args = --no-bpf-event -i kill >/dev/null 2>&1 ret = 1 [event:base-record] diff --git a/tools/perf/tests/attr/test-record-no-samples b/tools/perf/tests/attr/test-record-no-samples index 8eb73ab639e0..596fbd6d5a2c 100644 --- a/tools/perf/tests/attr/test-record-no-samples +++ b/tools/perf/tests/attr/test-record-no-samples @@ -1,6 +1,6 @@ [config] command = record -args = -n kill >/dev/null 2>&1 +args = --no-bpf-event -n kill >/dev/null 2>&1 ret = 1 [event:base-record] diff --git a/tools/perf/tests/attr/test-record-period b/tools/perf/tests/attr/test-record-period index 69bc748f0f27..119101154c5e 100644 --- a/tools/perf/tests/attr/test-record-period +++ b/tools/perf/tests/attr/test-record-period @@ -1,6 +1,6 @@ [config] command = record -args = -c 100 -P kill >/dev/null 2>&1 +args = --no-bpf-event -c 100 -P kill >/dev/null 2>&1 ret = 1 [event:base-record] diff --git a/tools/perf/tests/attr/test-record-raw b/tools/perf/tests/attr/test-record-raw index a188a614a44c..13a5f7860c78 100644 --- a/tools/perf/tests/attr/test-record-raw +++ b/tools/perf/tests/attr/test-record-raw @@ -1,6 +1,6 @@ [config] command = record -args = -R kill >/dev/null 2>&1 +args = --no-bpf-event -R kill >/dev/null 2>&1 ret = 1 [event:base-record] diff --git a/tools/perf/tests/backward-ring-buffer.c b/tools/perf/tests/backward-ring-buffer.c index 6d598cc071ae..1a9c3becf5ff 100644 --- a/tools/perf/tests/backward-ring-buffer.c +++ b/tools/perf/tests/backward-ring-buffer.c @@ -18,7 +18,7 @@ static void testcase(void) int i; for (i = 0; i < NR_ITERS; i++) { - char proc_name[10]; + char proc_name[15]; snprintf(proc_name, sizeof(proc_name), "p:%d\n", i); prctl(PR_SET_NAME, proc_name); diff --git a/tools/perf/tests/evsel-tp-sched.c b/tools/perf/tests/evsel-tp-sched.c index ea7acf403727..71f60c0f9faa 100644 --- a/tools/perf/tests/evsel-tp-sched.c +++ b/tools/perf/tests/evsel-tp-sched.c @@ -85,5 +85,6 @@ int test__perf_evsel__tp_sched_test(struct test *test __maybe_unused, int subtes if (perf_evsel__test_field(evsel, "target_cpu", 4, true)) ret = -1; + perf_evsel__delete(evsel); return ret; } diff --git a/tools/perf/tests/expr.c b/tools/perf/tests/expr.c index 01f0706995a9..9acc1e80b936 100644 --- a/tools/perf/tests/expr.c +++ b/tools/perf/tests/expr.c @@ -19,7 +19,7 @@ int test__expr(struct test *t __maybe_unused, int subtest __maybe_unused) const char *p; const char **other; double val; - int ret; + int i, ret; struct parse_ctx ctx; int num_other; @@ -56,6 +56,9 @@ int test__expr(struct test *t __maybe_unused, int subtest __maybe_unused) TEST_ASSERT_VAL("find other", !strcmp(other[1], "BAZ")); TEST_ASSERT_VAL("find other", !strcmp(other[2], "BOZO")); TEST_ASSERT_VAL("find other", other[3] == NULL); + + for (i = 0; i < num_other; i++) + free((void *)other[i]); free((void *)other); return 0; diff --git a/tools/perf/tests/openat-syscall-all-cpus.c b/tools/perf/tests/openat-syscall-all-cpus.c index c531e6deb104..493ecb611540 100644 --- a/tools/perf/tests/openat-syscall-all-cpus.c +++ b/tools/perf/tests/openat-syscall-all-cpus.c @@ -45,7 +45,7 @@ int test__openat_syscall_event_on_all_cpus(struct test *test __maybe_unused, int if (IS_ERR(evsel)) { tracing_path__strerror_open_tp(errno, errbuf, sizeof(errbuf), "syscalls", "sys_enter_openat"); pr_debug("%s\n", errbuf); - goto out_thread_map_delete; + goto out_cpu_map_delete; } if (perf_evsel__open(evsel, cpus, threads) < 0) { @@ -119,6 +119,8 @@ out_close_fd: perf_evsel__close_fd(evsel); out_evsel_delete: perf_evsel__delete(evsel); +out_cpu_map_delete: + cpu_map__put(cpus); out_thread_map_delete: thread_map__put(threads); return err; diff --git a/tools/perf/trace/beauty/mmap_flags.sh b/tools/perf/trace/beauty/mmap_flags.sh index 32bac9c0d694..5f5eefcb3c74 100755 --- a/tools/perf/trace/beauty/mmap_flags.sh +++ b/tools/perf/trace/beauty/mmap_flags.sh @@ -1,15 +1,18 @@ #!/bin/sh # SPDX-License-Identifier: LGPL-2.1 -if [ $# -ne 2 ] ; then +if [ $# -ne 3 ] ; then [ $# -eq 1 ] && hostarch=$1 || hostarch=`uname -m | sed -e s/i.86/x86/ -e s/x86_64/x86/` + linux_header_dir=tools/include/uapi/linux header_dir=tools/include/uapi/asm-generic arch_header_dir=tools/arch/${hostarch}/include/uapi/asm else - header_dir=$1 - arch_header_dir=$2 + linux_header_dir=$1 + header_dir=$2 + arch_header_dir=$3 fi +linux_mman=${linux_header_dir}/mman.h arch_mman=${arch_header_dir}/mman.h # those in egrep -vw are flags, we want just the bits @@ -20,6 +23,11 @@ egrep -q $regex ${arch_mman} && \ (egrep $regex ${arch_mman} | \ sed -r "s/$regex/\2 \1/g" | \ xargs printf "\t[ilog2(%s) + 1] = \"%s\",\n") +egrep -q $regex ${linux_mman} && \ +(egrep $regex ${linux_mman} | \ + egrep -vw 'MAP_(UNINITIALIZED|TYPE|SHARED_VALIDATE)' | \ + sed -r "s/$regex/\2 \1/g" | \ + xargs printf "\t[ilog2(%s) + 1] = \"%s\",\n") ([ ! -f ${arch_mman} ] || egrep -q '#[[:space:]]*include[[:space:]]+<uapi/asm-generic/mman.*' ${arch_mman}) && (egrep $regex ${header_dir}/mman-common.h | \ egrep -vw 'MAP_(UNINITIALIZED|TYPE|SHARED_VALIDATE)' | \ diff --git a/tools/perf/ui/browser.c b/tools/perf/ui/browser.c index 4f75561424ed..4ad37d8c7d6a 100644 --- a/tools/perf/ui/browser.c +++ b/tools/perf/ui/browser.c @@ -611,14 +611,16 @@ void ui_browser__argv_seek(struct ui_browser *browser, off_t offset, int whence) browser->top = browser->entries; break; case SEEK_CUR: - browser->top = browser->top + browser->top_idx + offset; + browser->top = (char **)browser->top + offset; break; case SEEK_END: - browser->top = browser->top + browser->nr_entries - 1 + offset; + browser->top = (char **)browser->entries + browser->nr_entries - 1 + offset; break; default: return; } + assert((char **)browser->top < (char **)browser->entries + browser->nr_entries); + assert((char **)browser->top >= (char **)browser->entries); } unsigned int ui_browser__argv_refresh(struct ui_browser *browser) @@ -630,7 +632,9 @@ unsigned int ui_browser__argv_refresh(struct ui_browser *browser) browser->top = browser->entries; pos = (char **)browser->top; - while (idx < browser->nr_entries) { + while (idx < browser->nr_entries && + row < (unsigned)SLtt_Screen_Rows - 1) { + assert(pos < (char **)browser->entries + browser->nr_entries); if (!browser->filter || !browser->filter(browser, *pos)) { ui_browser__gotorc(browser, row, 0); browser->write(browser, pos, row); diff --git a/tools/perf/ui/browsers/Build b/tools/perf/ui/browsers/Build index 8fee56b46502..fdf86f7981ca 100644 --- a/tools/perf/ui/browsers/Build +++ b/tools/perf/ui/browsers/Build @@ -3,6 +3,7 @@ perf-y += hists.o perf-y += map.o perf-y += scripts.o perf-y += header.o +perf-y += res_sample.o CFLAGS_annotate.o += -DENABLE_SLFUTURE_CONST CFLAGS_hists.o += -DENABLE_SLFUTURE_CONST diff --git a/tools/perf/ui/browsers/annotate.c b/tools/perf/ui/browsers/annotate.c index 35bdfd8b1e71..98d934a36d86 100644 --- a/tools/perf/ui/browsers/annotate.c +++ b/tools/perf/ui/browsers/annotate.c @@ -750,7 +750,7 @@ static int annotate_browser__run(struct annotate_browser *browser, continue; case 'r': { - script_browse(NULL); + script_browse(NULL, NULL); continue; } case 'k': diff --git a/tools/perf/ui/browsers/hists.c b/tools/perf/ui/browsers/hists.c index aef800d97ea1..3421ecbdd3f0 100644 --- a/tools/perf/ui/browsers/hists.c +++ b/tools/perf/ui/browsers/hists.c @@ -7,6 +7,7 @@ #include <string.h> #include <linux/rbtree.h> #include <sys/ttydefaults.h> +#include <linux/time64.h> #include "../../util/callchain.h" #include "../../util/evsel.h" @@ -30,6 +31,7 @@ #include "srcline.h" #include "string2.h" #include "units.h" +#include "time-utils.h" #include "sane_ctype.h" @@ -1224,6 +1226,8 @@ void hist_browser__init_hpp(void) hist_browser__hpp_color_overhead_guest_us; perf_hpp__format[PERF_HPP__OVERHEAD_ACC].color = hist_browser__hpp_color_overhead_acc; + + res_sample_init(); } static int hist_browser__show_entry(struct hist_browser *browser, @@ -2338,9 +2342,12 @@ close_file_and_continue: } struct popup_action { + unsigned long time; struct thread *thread; struct map_symbol ms; int socket; + struct perf_evsel *evsel; + enum rstype rstype; int (*fn)(struct hist_browser *browser, struct popup_action *act); }; @@ -2527,46 +2534,137 @@ static int do_run_script(struct hist_browser *browser __maybe_unused, struct popup_action *act) { - char script_opt[64]; - memset(script_opt, 0, sizeof(script_opt)); + char *script_opt; + int len; + int n = 0; + len = 100; + if (act->thread) + len += strlen(thread__comm_str(act->thread)); + else if (act->ms.sym) + len += strlen(act->ms.sym->name); + script_opt = malloc(len); + if (!script_opt) + return -1; + + script_opt[0] = 0; if (act->thread) { - scnprintf(script_opt, sizeof(script_opt), " -c %s ", + n = scnprintf(script_opt, len, " -c %s ", thread__comm_str(act->thread)); } else if (act->ms.sym) { - scnprintf(script_opt, sizeof(script_opt), " -S %s ", + n = scnprintf(script_opt, len, " -S %s ", act->ms.sym->name); } - script_browse(script_opt); + if (act->time) { + char start[32], end[32]; + unsigned long starttime = act->time; + unsigned long endtime = act->time + symbol_conf.time_quantum; + + if (starttime == endtime) { /* Display 1ms as fallback */ + starttime -= 1*NSEC_PER_MSEC; + endtime += 1*NSEC_PER_MSEC; + } + timestamp__scnprintf_usec(starttime, start, sizeof start); + timestamp__scnprintf_usec(endtime, end, sizeof end); + n += snprintf(script_opt + n, len - n, " --time %s,%s", start, end); + } + + script_browse(script_opt, act->evsel); + free(script_opt); return 0; } static int -add_script_opt(struct hist_browser *browser __maybe_unused, +do_res_sample_script(struct hist_browser *browser __maybe_unused, + struct popup_action *act) +{ + struct hist_entry *he; + + he = hist_browser__selected_entry(browser); + res_sample_browse(he->res_samples, he->num_res, act->evsel, act->rstype); + return 0; +} + +static int +add_script_opt_2(struct hist_browser *browser __maybe_unused, struct popup_action *act, char **optstr, - struct thread *thread, struct symbol *sym) + struct thread *thread, struct symbol *sym, + struct perf_evsel *evsel, const char *tstr) { + if (thread) { - if (asprintf(optstr, "Run scripts for samples of thread [%s]", - thread__comm_str(thread)) < 0) + if (asprintf(optstr, "Run scripts for samples of thread [%s]%s", + thread__comm_str(thread), tstr) < 0) return 0; } else if (sym) { - if (asprintf(optstr, "Run scripts for samples of symbol [%s]", - sym->name) < 0) + if (asprintf(optstr, "Run scripts for samples of symbol [%s]%s", + sym->name, tstr) < 0) return 0; } else { - if (asprintf(optstr, "Run scripts for all samples") < 0) + if (asprintf(optstr, "Run scripts for all samples%s", tstr) < 0) return 0; } act->thread = thread; act->ms.sym = sym; + act->evsel = evsel; act->fn = do_run_script; return 1; } static int +add_script_opt(struct hist_browser *browser, + struct popup_action *act, char **optstr, + struct thread *thread, struct symbol *sym, + struct perf_evsel *evsel) +{ + int n, j; + struct hist_entry *he; + + n = add_script_opt_2(browser, act, optstr, thread, sym, evsel, ""); + + he = hist_browser__selected_entry(browser); + if (sort_order && strstr(sort_order, "time")) { + char tstr[128]; + + optstr++; + act++; + j = sprintf(tstr, " in "); + j += timestamp__scnprintf_usec(he->time, tstr + j, + sizeof tstr - j); + j += sprintf(tstr + j, "-"); + timestamp__scnprintf_usec(he->time + symbol_conf.time_quantum, + tstr + j, sizeof tstr - j); + n += add_script_opt_2(browser, act, optstr, thread, sym, + evsel, tstr); + act->time = he->time; + } + return n; +} + +static int +add_res_sample_opt(struct hist_browser *browser __maybe_unused, + struct popup_action *act, char **optstr, + struct res_sample *res_sample, + struct perf_evsel *evsel, + enum rstype type) +{ + if (!res_sample) + return 0; + + if (asprintf(optstr, "Show context for individual samples %s", + type == A_ASM ? "with assembler" : + type == A_SOURCE ? "with source" : "") < 0) + return 0; + + act->fn = do_res_sample_script; + act->evsel = evsel; + act->rstype = type; + return 1; +} + +static int do_switch_data(struct hist_browser *browser __maybe_unused, struct popup_action *act __maybe_unused) { @@ -3031,7 +3129,7 @@ skip_annotation: nr_options += add_script_opt(browser, &actions[nr_options], &options[nr_options], - thread, NULL); + thread, NULL, evsel); } /* * Note that browser->selection != NULL @@ -3046,11 +3144,24 @@ skip_annotation: nr_options += add_script_opt(browser, &actions[nr_options], &options[nr_options], - NULL, browser->selection->sym); + NULL, browser->selection->sym, + evsel); } } nr_options += add_script_opt(browser, &actions[nr_options], - &options[nr_options], NULL, NULL); + &options[nr_options], NULL, NULL, evsel); + nr_options += add_res_sample_opt(browser, &actions[nr_options], + &options[nr_options], + hist_browser__selected_entry(browser)->res_samples, + evsel, A_NORMAL); + nr_options += add_res_sample_opt(browser, &actions[nr_options], + &options[nr_options], + hist_browser__selected_entry(browser)->res_samples, + evsel, A_ASM); + nr_options += add_res_sample_opt(browser, &actions[nr_options], + &options[nr_options], + hist_browser__selected_entry(browser)->res_samples, + evsel, A_SOURCE); nr_options += add_switch_opt(browser, &actions[nr_options], &options[nr_options]); skip_scripting: diff --git a/tools/perf/ui/browsers/res_sample.c b/tools/perf/ui/browsers/res_sample.c new file mode 100644 index 000000000000..c0dd73176d42 --- /dev/null +++ b/tools/perf/ui/browsers/res_sample.c @@ -0,0 +1,91 @@ +// SPDX-License-Identifier: GPL-2.0 +/* Display a menu with individual samples to browse with perf script */ +#include "util.h" +#include "hist.h" +#include "evsel.h" +#include "hists.h" +#include "sort.h" +#include "config.h" +#include "time-utils.h" +#include <linux/time64.h> + +static u64 context_len = 10 * NSEC_PER_MSEC; + +static int res_sample_config(const char *var, const char *value, void *data __maybe_unused) +{ + if (!strcmp(var, "samples.context")) + return perf_config_u64(&context_len, var, value); + return 0; +} + +void res_sample_init(void) +{ + perf_config(res_sample_config, NULL); +} + +int res_sample_browse(struct res_sample *res_samples, int num_res, + struct perf_evsel *evsel, enum rstype rstype) +{ + char **names; + int i, n; + int choice; + char *cmd; + char pbuf[256], tidbuf[32], cpubuf[32]; + const char *perf = perf_exe(pbuf, sizeof pbuf); + char trange[128], tsample[64]; + struct res_sample *r; + char extra_format[256]; + + names = calloc(num_res, sizeof(char *)); + if (!names) + return -1; + for (i = 0; i < num_res; i++) { + char tbuf[64]; + + timestamp__scnprintf_nsec(res_samples[i].time, tbuf, sizeof tbuf); + if (asprintf(&names[i], "%s: CPU %d tid %d", tbuf, + res_samples[i].cpu, res_samples[i].tid) < 0) { + while (--i >= 0) + free(names[i]); + free(names); + return -1; + } + } + choice = ui__popup_menu(num_res, names); + for (i = 0; i < num_res; i++) + free(names[i]); + free(names); + + if (choice < 0 || choice >= num_res) + return -1; + r = &res_samples[choice]; + + n = timestamp__scnprintf_nsec(r->time - context_len, trange, sizeof trange); + trange[n++] = ','; + timestamp__scnprintf_nsec(r->time + context_len, trange + n, sizeof trange - n); + + timestamp__scnprintf_nsec(r->time, tsample, sizeof tsample); + + attr_to_script(extra_format, &evsel->attr); + + if (asprintf(&cmd, "%s script %s%s --time %s %s%s %s%s --ns %s %s %s %s %s | less +/%s", + perf, + input_name ? "-i " : "", + input_name ? input_name : "", + trange, + r->cpu >= 0 ? "--cpu " : "", + r->cpu >= 0 ? (sprintf(cpubuf, "%d", r->cpu), cpubuf) : "", + r->tid ? "--tid " : "", + r->tid ? (sprintf(tidbuf, "%d", r->tid), tidbuf) : "", + extra_format, + rstype == A_ASM ? "-F +insn --xed" : + rstype == A_SOURCE ? "-F +srcline,+srccode" : "", + symbol_conf.inline_name ? "--inline" : "", + "--show-lost-events ", + r->tid ? "--show-switch-events --show-task-events " : "", + tsample) < 0) + return -1; + run_script(cmd); + free(cmd); + return 0; +} diff --git a/tools/perf/ui/browsers/scripts.c b/tools/perf/ui/browsers/scripts.c index 90a32ac69e76..27cf3ab88d13 100644 --- a/tools/perf/ui/browsers/scripts.c +++ b/tools/perf/ui/browsers/scripts.c @@ -1,34 +1,12 @@ // SPDX-License-Identifier: GPL-2.0 -#include <elf.h> -#include <inttypes.h> -#include <sys/ttydefaults.h> -#include <string.h> #include "../../util/sort.h" #include "../../util/util.h" #include "../../util/hist.h" #include "../../util/debug.h" #include "../../util/symbol.h" #include "../browser.h" -#include "../helpline.h" #include "../libslang.h" - -/* 2048 lines should be enough for a script output */ -#define MAX_LINES 2048 - -/* 160 bytes for one output line */ -#define AVERAGE_LINE_LEN 160 - -struct script_line { - struct list_head node; - char line[AVERAGE_LINE_LEN]; -}; - -struct perf_script_browser { - struct ui_browser b; - struct list_head entries; - const char *script_name; - int nr_lines; -}; +#include "config.h" #define SCRIPT_NAMELEN 128 #define SCRIPT_MAX_NO 64 @@ -40,149 +18,169 @@ struct perf_script_browser { */ #define SCRIPT_FULLPATH_LEN 256 +struct script_config { + const char **names; + char **paths; + int index; + const char *perf; + char extra_format[256]; +}; + +void attr_to_script(char *extra_format, struct perf_event_attr *attr) +{ + extra_format[0] = 0; + if (attr->read_format & PERF_FORMAT_GROUP) + strcat(extra_format, " -F +metric"); + if (attr->sample_type & PERF_SAMPLE_BRANCH_STACK) + strcat(extra_format, " -F +brstackinsn --xed"); + if (attr->sample_type & PERF_SAMPLE_REGS_INTR) + strcat(extra_format, " -F +iregs"); + if (attr->sample_type & PERF_SAMPLE_REGS_USER) + strcat(extra_format, " -F +uregs"); + if (attr->sample_type & PERF_SAMPLE_PHYS_ADDR) + strcat(extra_format, " -F +phys_addr"); +} + +static int add_script_option(const char *name, const char *opt, + struct script_config *c) +{ + c->names[c->index] = name; + if (asprintf(&c->paths[c->index], + "%s script %s -F +metric %s %s", + c->perf, opt, symbol_conf.inline_name ? " --inline" : "", + c->extra_format) < 0) + return -1; + c->index++; + return 0; +} + +static int scripts_config(const char *var, const char *value, void *data) +{ + struct script_config *c = data; + + if (!strstarts(var, "scripts.")) + return -1; + if (c->index >= SCRIPT_MAX_NO) + return -1; + c->names[c->index] = strdup(var + 7); + if (!c->names[c->index]) + return -1; + if (asprintf(&c->paths[c->index], "%s %s", value, + c->extra_format) < 0) + return -1; + c->index++; + return 0; +} + /* * When success, will copy the full path of the selected script * into the buffer pointed by script_name, and return 0. * Return -1 on failure. */ -static int list_scripts(char *script_name) +static int list_scripts(char *script_name, bool *custom, + struct perf_evsel *evsel) { - char *buf, *names[SCRIPT_MAX_NO], *paths[SCRIPT_MAX_NO]; - int i, num, choice, ret = -1; + char *buf, *paths[SCRIPT_MAX_NO], *names[SCRIPT_MAX_NO]; + int i, num, choice; + int ret = 0; + int max_std, custom_perf; + char pbuf[256]; + const char *perf = perf_exe(pbuf, sizeof pbuf); + struct script_config scriptc = { + .names = (const char **)names, + .paths = paths, + .perf = perf + }; + + script_name[0] = 0; /* Preset the script name to SCRIPT_NAMELEN */ buf = malloc(SCRIPT_MAX_NO * (SCRIPT_NAMELEN + SCRIPT_FULLPATH_LEN)); if (!buf) - return ret; + return -1; - for (i = 0; i < SCRIPT_MAX_NO; i++) { - names[i] = buf + i * (SCRIPT_NAMELEN + SCRIPT_FULLPATH_LEN); + if (evsel) + attr_to_script(scriptc.extra_format, &evsel->attr); + add_script_option("Show individual samples", "", &scriptc); + add_script_option("Show individual samples with assembler", "-F +insn --xed", + &scriptc); + add_script_option("Show individual samples with source", "-F +srcline,+srccode", + &scriptc); + perf_config(scripts_config, &scriptc); + custom_perf = scriptc.index; + add_script_option("Show samples with custom perf script arguments", "", &scriptc); + i = scriptc.index; + max_std = i; + + for (; i < SCRIPT_MAX_NO; i++) { + names[i] = buf + (i - max_std) * (SCRIPT_NAMELEN + SCRIPT_FULLPATH_LEN); paths[i] = names[i] + SCRIPT_NAMELEN; } - num = find_scripts(names, paths); - if (num > 0) { - choice = ui__popup_menu(num, names); - if (choice < num && choice >= 0) { - strcpy(script_name, paths[choice]); - ret = 0; - } + num = find_scripts(names + max_std, paths + max_std, SCRIPT_MAX_NO - max_std, + SCRIPT_FULLPATH_LEN); + if (num < 0) + num = 0; + choice = ui__popup_menu(num + max_std, (char * const *)names); + if (choice < 0) { + ret = -1; + goto out; } + if (choice == custom_perf) { + char script_args[50]; + int key = ui_browser__input_window("perf script command", + "Enter perf script command line (without perf script prefix)", + script_args, "", 0); + if (key != K_ENTER) + return -1; + sprintf(script_name, "%s script %s", perf, script_args); + } else if (choice < num + max_std) { + strcpy(script_name, paths[choice]); + } + *custom = choice >= max_std; +out: free(buf); + for (i = 0; i < max_std; i++) + free(paths[i]); return ret; } -static void script_browser__write(struct ui_browser *browser, - void *entry, int row) +void run_script(char *cmd) { - struct script_line *sline = list_entry(entry, struct script_line, node); - bool current_entry = ui_browser__is_current_entry(browser, row); - - ui_browser__set_color(browser, current_entry ? HE_COLORSET_SELECTED : - HE_COLORSET_NORMAL); - - ui_browser__write_nstring(browser, sline->line, browser->width); + pr_debug("Running %s\n", cmd); + SLang_reset_tty(); + if (system(cmd) < 0) + pr_warning("Cannot run %s\n", cmd); + /* + * SLang doesn't seem to reset the whole terminal, so be more + * forceful to get back to the original state. + */ + printf("\033[c\033[H\033[J"); + fflush(stdout); + SLang_init_tty(0, 0, 0); + SLsmg_refresh(); } -static int script_browser__run(struct perf_script_browser *browser) +int script_browse(const char *script_opt, struct perf_evsel *evsel) { - int key; + char *cmd, script_name[SCRIPT_FULLPATH_LEN]; + bool custom = false; - if (ui_browser__show(&browser->b, browser->script_name, - "Press ESC to exit") < 0) + memset(script_name, 0, SCRIPT_FULLPATH_LEN); + if (list_scripts(script_name, &custom, evsel)) return -1; - while (1) { - key = ui_browser__run(&browser->b, 0); - - /* We can add some special key handling here if needed */ - break; - } - - ui_browser__hide(&browser->b); - return key; -} - - -int script_browse(const char *script_opt) -{ - char cmd[SCRIPT_FULLPATH_LEN*2], script_name[SCRIPT_FULLPATH_LEN]; - char *line = NULL; - size_t len = 0; - ssize_t retlen; - int ret = -1, nr_entries = 0; - FILE *fp; - void *buf; - struct script_line *sline; - - struct perf_script_browser script = { - .b = { - .refresh = ui_browser__list_head_refresh, - .seek = ui_browser__list_head_seek, - .write = script_browser__write, - }, - .script_name = script_name, - }; - - INIT_LIST_HEAD(&script.entries); - - /* Save each line of the output in one struct script_line object. */ - buf = zalloc((sizeof(*sline)) * MAX_LINES); - if (!buf) + if (asprintf(&cmd, "%s%s %s %s%s 2>&1 | less", + custom ? "perf script -s " : "", + script_name, + script_opt ? script_opt : "", + input_name ? "-i " : "", + input_name ? input_name : "") < 0) return -1; - sline = buf; - - memset(script_name, 0, SCRIPT_FULLPATH_LEN); - if (list_scripts(script_name)) - goto exit; - - sprintf(cmd, "perf script -s %s ", script_name); - if (script_opt) - strcat(cmd, script_opt); + run_script(cmd); + free(cmd); - if (input_name) { - strcat(cmd, " -i "); - strcat(cmd, input_name); - } - - strcat(cmd, " 2>&1"); - - fp = popen(cmd, "r"); - if (!fp) - goto exit; - - while ((retlen = getline(&line, &len, fp)) != -1) { - strncpy(sline->line, line, AVERAGE_LINE_LEN); - - /* If one output line is very large, just cut it short */ - if (retlen >= AVERAGE_LINE_LEN) { - sline->line[AVERAGE_LINE_LEN - 1] = '\0'; - sline->line[AVERAGE_LINE_LEN - 2] = '\n'; - } - list_add_tail(&sline->node, &script.entries); - - if (script.b.width < retlen) - script.b.width = retlen; - - if (nr_entries++ >= MAX_LINES - 1) - break; - sline++; - } - - if (script.b.width > AVERAGE_LINE_LEN) - script.b.width = AVERAGE_LINE_LEN; - - free(line); - pclose(fp); - - script.nr_lines = nr_entries; - script.b.nr_entries = nr_entries; - script.b.entries = &script.entries; - - ret = script_browser__run(&script); -exit: - free(buf); - return ret; + return 0; } diff --git a/tools/perf/util/annotate.c b/tools/perf/util/annotate.c index 5f6dbbf5d749..c8b01176c9e1 100644 --- a/tools/perf/util/annotate.c +++ b/tools/perf/util/annotate.c @@ -10,6 +10,10 @@ #include <errno.h> #include <inttypes.h> #include <libgen.h> +#include <bpf/bpf.h> +#include <bpf/btf.h> +#include <bpf/libbpf.h> +#include <linux/btf.h> #include "util.h" #include "ui/ui.h" #include "sort.h" @@ -24,6 +28,7 @@ #include "annotate.h" #include "evsel.h" #include "evlist.h" +#include "bpf-event.h" #include "block-range.h" #include "string2.h" #include "arch/common.h" @@ -31,6 +36,7 @@ #include <pthread.h> #include <linux/bitops.h> #include <linux/kernel.h> +#include <bpf/libbpf.h> /* FIXME: For the HE_COLORSET */ #include "ui/browser.h" @@ -1615,6 +1621,9 @@ int symbol__strerror_disassemble(struct symbol *sym __maybe_unused, struct map * " --vmlinux vmlinux\n", build_id_msg ?: ""); } break; + case SYMBOL_ANNOTATE_ERRNO__NO_LIBOPCODES_FOR_BPF: + scnprintf(buf, buflen, "Please link with binutils's libopcode to enable BPF annotation"); + break; default: scnprintf(buf, buflen, "Internal error: Invalid %d error code\n", errnum); break; @@ -1674,6 +1683,156 @@ fallback: return 0; } +#if defined(HAVE_LIBBFD_SUPPORT) && defined(HAVE_LIBBPF_SUPPORT) +#define PACKAGE "perf" +#include <bfd.h> +#include <dis-asm.h> + +static int symbol__disassemble_bpf(struct symbol *sym, + struct annotate_args *args) +{ + struct annotation *notes = symbol__annotation(sym); + struct annotation_options *opts = args->options; + struct bpf_prog_info_linear *info_linear; + struct bpf_prog_linfo *prog_linfo = NULL; + struct bpf_prog_info_node *info_node; + int len = sym->end - sym->start; + disassembler_ftype disassemble; + struct map *map = args->ms.map; + struct disassemble_info info; + struct dso *dso = map->dso; + int pc = 0, count, sub_id; + struct btf *btf = NULL; + char tpath[PATH_MAX]; + size_t buf_size; + int nr_skip = 0; + int ret = -1; + char *buf; + bfd *bfdf; + FILE *s; + + if (dso->binary_type != DSO_BINARY_TYPE__BPF_PROG_INFO) + return -1; + + pr_debug("%s: handling sym %s addr %lx len %lx\n", __func__, + sym->name, sym->start, sym->end - sym->start); + + memset(tpath, 0, sizeof(tpath)); + perf_exe(tpath, sizeof(tpath)); + + bfdf = bfd_openr(tpath, NULL); + assert(bfdf); + assert(bfd_check_format(bfdf, bfd_object)); + + s = open_memstream(&buf, &buf_size); + if (!s) + goto out; + init_disassemble_info(&info, s, + (fprintf_ftype) fprintf); + + info.arch = bfd_get_arch(bfdf); + info.mach = bfd_get_mach(bfdf); + + info_node = perf_env__find_bpf_prog_info(dso->bpf_prog.env, + dso->bpf_prog.id); + if (!info_node) + goto out; + info_linear = info_node->info_linear; + sub_id = dso->bpf_prog.sub_id; + + info.buffer = (void *)(info_linear->info.jited_prog_insns); + info.buffer_length = info_linear->info.jited_prog_len; + + if (info_linear->info.nr_line_info) + prog_linfo = bpf_prog_linfo__new(&info_linear->info); + + if (info_linear->info.btf_id) { + struct btf_node *node; + + node = perf_env__find_btf(dso->bpf_prog.env, + info_linear->info.btf_id); + if (node) + btf = btf__new((__u8 *)(node->data), + node->data_size); + } + + disassemble_init_for_target(&info); + +#ifdef DISASM_FOUR_ARGS_SIGNATURE + disassemble = disassembler(info.arch, + bfd_big_endian(bfdf), + info.mach, + bfdf); +#else + disassemble = disassembler(bfdf); +#endif + assert(disassemble); + + fflush(s); + do { + const struct bpf_line_info *linfo = NULL; + struct disasm_line *dl; + size_t prev_buf_size; + const char *srcline; + u64 addr; + + addr = pc + ((u64 *)(info_linear->info.jited_ksyms))[sub_id]; + count = disassemble(pc, &info); + + if (prog_linfo) + linfo = bpf_prog_linfo__lfind_addr_func(prog_linfo, + addr, sub_id, + nr_skip); + + if (linfo && btf) { + srcline = btf__name_by_offset(btf, linfo->line_off); + nr_skip++; + } else + srcline = NULL; + + fprintf(s, "\n"); + prev_buf_size = buf_size; + fflush(s); + + if (!opts->hide_src_code && srcline) { + args->offset = -1; + args->line = strdup(srcline); + args->line_nr = 0; + args->ms.sym = sym; + dl = disasm_line__new(args); + if (dl) { + annotation_line__add(&dl->al, + ¬es->src->source); + } + } + + args->offset = pc; + args->line = buf + prev_buf_size; + args->line_nr = 0; + args->ms.sym = sym; + dl = disasm_line__new(args); + if (dl) + annotation_line__add(&dl->al, ¬es->src->source); + + pc += count; + } while (count > 0 && pc < len); + + ret = 0; +out: + free(prog_linfo); + free(btf); + fclose(s); + bfd_close(bfdf); + return ret; +} +#else // defined(HAVE_LIBBFD_SUPPORT) && defined(HAVE_LIBBPF_SUPPORT) +static int symbol__disassemble_bpf(struct symbol *sym __maybe_unused, + struct annotate_args *args __maybe_unused) +{ + return SYMBOL_ANNOTATE_ERRNO__NO_LIBOPCODES_FOR_BPF; +} +#endif // defined(HAVE_LIBBFD_SUPPORT) && defined(HAVE_LIBBPF_SUPPORT) + static int symbol__disassemble(struct symbol *sym, struct annotate_args *args) { struct annotation_options *opts = args->options; @@ -1701,7 +1860,9 @@ static int symbol__disassemble(struct symbol *sym, struct annotate_args *args) pr_debug("annotating [%p] %30s : [%p] %30s\n", dso, dso->long_name, sym, sym->name); - if (dso__is_kcore(dso)) { + if (dso->binary_type == DSO_BINARY_TYPE__BPF_PROG_INFO) { + return symbol__disassemble_bpf(sym, args); + } else if (dso__is_kcore(dso)) { kce.kcore_filename = symfs_filename; kce.addr = map__rip_2objdump(map, sym->start); kce.offs = sym->start; diff --git a/tools/perf/util/annotate.h b/tools/perf/util/annotate.h index df34fe483164..5bc0cf655d37 100644 --- a/tools/perf/util/annotate.h +++ b/tools/perf/util/annotate.h @@ -369,6 +369,7 @@ enum symbol_disassemble_errno { __SYMBOL_ANNOTATE_ERRNO__START = -10000, SYMBOL_ANNOTATE_ERRNO__NO_VMLINUX = __SYMBOL_ANNOTATE_ERRNO__START, + SYMBOL_ANNOTATE_ERRNO__NO_LIBOPCODES_FOR_BPF, __SYMBOL_ANNOTATE_ERRNO__END, }; diff --git a/tools/perf/util/archinsn.h b/tools/perf/util/archinsn.h new file mode 100644 index 000000000000..448cbb6b8d7e --- /dev/null +++ b/tools/perf/util/archinsn.h @@ -0,0 +1,12 @@ +#ifndef INSN_H +#define INSN_H 1 + +struct perf_sample; +struct machine; +struct thread; + +void arch_fetch_insn(struct perf_sample *sample, + struct thread *thread, + struct machine *machine); + +#endif diff --git a/tools/perf/util/bpf-event.c b/tools/perf/util/bpf-event.c index 028c8ec1f62a..2a4a0da35632 100644 --- a/tools/perf/util/bpf-event.c +++ b/tools/perf/util/bpf-event.c @@ -3,11 +3,17 @@ #include <stdlib.h> #include <bpf/bpf.h> #include <bpf/btf.h> +#include <bpf/libbpf.h> #include <linux/btf.h> +#include <linux/err.h> #include "bpf-event.h" #include "debug.h" #include "symbol.h" #include "machine.h" +#include "env.h" +#include "session.h" +#include "map.h" +#include "evlist.h" #define ptr_to_u64(ptr) ((__u64)(unsigned long)(ptr)) @@ -21,15 +27,122 @@ static int snprintf_hex(char *buf, size_t size, unsigned char *data, size_t len) return ret; } +static int machine__process_bpf_event_load(struct machine *machine, + union perf_event *event, + struct perf_sample *sample __maybe_unused) +{ + struct bpf_prog_info_linear *info_linear; + struct bpf_prog_info_node *info_node; + struct perf_env *env = machine->env; + int id = event->bpf_event.id; + unsigned int i; + + /* perf-record, no need to handle bpf-event */ + if (env == NULL) + return 0; + + info_node = perf_env__find_bpf_prog_info(env, id); + if (!info_node) + return 0; + info_linear = info_node->info_linear; + + for (i = 0; i < info_linear->info.nr_jited_ksyms; i++) { + u64 *addrs = (u64 *)(uintptr_t)(info_linear->info.jited_ksyms); + u64 addr = addrs[i]; + struct map *map; + + map = map_groups__find(&machine->kmaps, addr); + + if (map) { + map->dso->binary_type = DSO_BINARY_TYPE__BPF_PROG_INFO; + map->dso->bpf_prog.id = id; + map->dso->bpf_prog.sub_id = i; + map->dso->bpf_prog.env = env; + } + } + return 0; +} + int machine__process_bpf_event(struct machine *machine __maybe_unused, union perf_event *event, struct perf_sample *sample __maybe_unused) { if (dump_trace) perf_event__fprintf_bpf_event(event, stdout); + + switch (event->bpf_event.type) { + case PERF_BPF_EVENT_PROG_LOAD: + return machine__process_bpf_event_load(machine, event, sample); + + case PERF_BPF_EVENT_PROG_UNLOAD: + /* + * Do not free bpf_prog_info and btf of the program here, + * as annotation still need them. They will be freed at + * the end of the session. + */ + break; + default: + pr_debug("unexpected bpf_event type of %d\n", + event->bpf_event.type); + break; + } return 0; } +static int perf_env__fetch_btf(struct perf_env *env, + u32 btf_id, + struct btf *btf) +{ + struct btf_node *node; + u32 data_size; + const void *data; + + data = btf__get_raw_data(btf, &data_size); + + node = malloc(data_size + sizeof(struct btf_node)); + if (!node) + return -1; + + node->id = btf_id; + node->data_size = data_size; + memcpy(node->data, data, data_size); + + perf_env__insert_btf(env, node); + return 0; +} + +static int synthesize_bpf_prog_name(char *buf, int size, + struct bpf_prog_info *info, + struct btf *btf, + u32 sub_id) +{ + u8 (*prog_tags)[BPF_TAG_SIZE] = (void *)(uintptr_t)(info->prog_tags); + void *func_infos = (void *)(uintptr_t)(info->func_info); + u32 sub_prog_cnt = info->nr_jited_ksyms; + const struct bpf_func_info *finfo; + const char *short_name = NULL; + const struct btf_type *t; + int name_len; + + name_len = snprintf(buf, size, "bpf_prog_"); + name_len += snprintf_hex(buf + name_len, size - name_len, + prog_tags[sub_id], BPF_TAG_SIZE); + if (btf) { + finfo = func_infos + sub_id * info->func_info_rec_size; + t = btf__type_by_id(btf, finfo->type_id); + short_name = btf__name_by_offset(btf, t->name_off); + } else if (sub_id == 0 && sub_prog_cnt == 1) { + /* no subprog */ + if (info->name[0]) + short_name = info->name; + } else + short_name = "F"; + if (short_name) + name_len += snprintf(buf + name_len, size - name_len, + "_%s", short_name); + return name_len; +} + /* * Synthesize PERF_RECORD_KSYMBOL and PERF_RECORD_BPF_EVENT for one bpf * program. One PERF_RECORD_BPF_EVENT is generated for the program. And @@ -40,7 +153,7 @@ int machine__process_bpf_event(struct machine *machine __maybe_unused, * -1 for failures; * -2 for lack of kernel support. */ -static int perf_event__synthesize_one_bpf_prog(struct perf_tool *tool, +static int perf_event__synthesize_one_bpf_prog(struct perf_session *session, perf_event__handler_t process, struct machine *machine, int fd, @@ -49,102 +162,71 @@ static int perf_event__synthesize_one_bpf_prog(struct perf_tool *tool, { struct ksymbol_event *ksymbol_event = &event->ksymbol_event; struct bpf_event *bpf_event = &event->bpf_event; - u32 sub_prog_cnt, i, func_info_rec_size = 0; - u8 (*prog_tags)[BPF_TAG_SIZE] = NULL; - struct bpf_prog_info info = { .type = 0, }; - u32 info_len = sizeof(info); - void *func_infos = NULL; - u64 *prog_addrs = NULL; + struct bpf_prog_info_linear *info_linear; + struct perf_tool *tool = session->tool; + struct bpf_prog_info_node *info_node; + struct bpf_prog_info *info; struct btf *btf = NULL; - u32 *prog_lens = NULL; - bool has_btf = false; - char errbuf[512]; + struct perf_env *env; + u32 sub_prog_cnt, i; int err = 0; + u64 arrays; + + /* + * for perf-record and perf-report use header.env; + * otherwise, use global perf_env. + */ + env = session->data ? &session->header.env : &perf_env; - /* Call bpf_obj_get_info_by_fd() to get sizes of arrays */ - err = bpf_obj_get_info_by_fd(fd, &info, &info_len); + arrays = 1UL << BPF_PROG_INFO_JITED_KSYMS; + arrays |= 1UL << BPF_PROG_INFO_JITED_FUNC_LENS; + arrays |= 1UL << BPF_PROG_INFO_FUNC_INFO; + arrays |= 1UL << BPF_PROG_INFO_PROG_TAGS; + arrays |= 1UL << BPF_PROG_INFO_JITED_INSNS; + arrays |= 1UL << BPF_PROG_INFO_LINE_INFO; + arrays |= 1UL << BPF_PROG_INFO_JITED_LINE_INFO; - if (err) { - pr_debug("%s: failed to get BPF program info: %s, aborting\n", - __func__, str_error_r(errno, errbuf, sizeof(errbuf))); + info_linear = bpf_program__get_prog_info_linear(fd, arrays); + if (IS_ERR_OR_NULL(info_linear)) { + info_linear = NULL; + pr_debug("%s: failed to get BPF program info. aborting\n", __func__); return -1; } - if (info_len < offsetof(struct bpf_prog_info, prog_tags)) { + + if (info_linear->info_len < offsetof(struct bpf_prog_info, prog_tags)) { pr_debug("%s: the kernel is too old, aborting\n", __func__); return -2; } + info = &info_linear->info; + /* number of ksyms, func_lengths, and tags should match */ - sub_prog_cnt = info.nr_jited_ksyms; - if (sub_prog_cnt != info.nr_prog_tags || - sub_prog_cnt != info.nr_jited_func_lens) + sub_prog_cnt = info->nr_jited_ksyms; + if (sub_prog_cnt != info->nr_prog_tags || + sub_prog_cnt != info->nr_jited_func_lens) return -1; /* check BTF func info support */ - if (info.btf_id && info.nr_func_info && info.func_info_rec_size) { + if (info->btf_id && info->nr_func_info && info->func_info_rec_size) { /* btf func info number should be same as sub_prog_cnt */ - if (sub_prog_cnt != info.nr_func_info) { + if (sub_prog_cnt != info->nr_func_info) { pr_debug("%s: mismatch in BPF sub program count and BTF function info count, aborting\n", __func__); - return -1; - } - if (btf__get_from_id(info.btf_id, &btf)) { - pr_debug("%s: failed to get BTF of id %u, aborting\n", __func__, info.btf_id); - return -1; + err = -1; + goto out; } - func_info_rec_size = info.func_info_rec_size; - func_infos = calloc(sub_prog_cnt, func_info_rec_size); - if (!func_infos) { - pr_debug("%s: failed to allocate memory for func_infos, aborting\n", __func__); - return -1; + if (btf__get_from_id(info->btf_id, &btf)) { + pr_debug("%s: failed to get BTF of id %u, aborting\n", __func__, info->btf_id); + err = -1; + btf = NULL; + goto out; } - has_btf = true; - } - - /* - * We need address, length, and tag for each sub program. - * Allocate memory and call bpf_obj_get_info_by_fd() again - */ - prog_addrs = calloc(sub_prog_cnt, sizeof(u64)); - if (!prog_addrs) { - pr_debug("%s: failed to allocate memory for prog_addrs, aborting\n", __func__); - goto out; - } - prog_lens = calloc(sub_prog_cnt, sizeof(u32)); - if (!prog_lens) { - pr_debug("%s: failed to allocate memory for prog_lens, aborting\n", __func__); - goto out; - } - prog_tags = calloc(sub_prog_cnt, BPF_TAG_SIZE); - if (!prog_tags) { - pr_debug("%s: failed to allocate memory for prog_tags, aborting\n", __func__); - goto out; - } - - memset(&info, 0, sizeof(info)); - info.nr_jited_ksyms = sub_prog_cnt; - info.nr_jited_func_lens = sub_prog_cnt; - info.nr_prog_tags = sub_prog_cnt; - info.jited_ksyms = ptr_to_u64(prog_addrs); - info.jited_func_lens = ptr_to_u64(prog_lens); - info.prog_tags = ptr_to_u64(prog_tags); - info_len = sizeof(info); - if (has_btf) { - info.nr_func_info = sub_prog_cnt; - info.func_info_rec_size = func_info_rec_size; - info.func_info = ptr_to_u64(func_infos); - } - - err = bpf_obj_get_info_by_fd(fd, &info, &info_len); - if (err) { - pr_debug("%s: failed to get BPF program info, aborting\n", __func__); - goto out; + perf_env__fetch_btf(env, info->btf_id, btf); } /* Synthesize PERF_RECORD_KSYMBOL */ for (i = 0; i < sub_prog_cnt; i++) { - const struct bpf_func_info *finfo; - const char *short_name = NULL; - const struct btf_type *t; + __u32 *prog_lens = (__u32 *)(uintptr_t)(info->jited_func_lens); + __u64 *prog_addrs = (__u64 *)(uintptr_t)(info->jited_ksyms); int name_len; *ksymbol_event = (struct ksymbol_event){ @@ -157,26 +239,9 @@ static int perf_event__synthesize_one_bpf_prog(struct perf_tool *tool, .ksym_type = PERF_RECORD_KSYMBOL_TYPE_BPF, .flags = 0, }; - name_len = snprintf(ksymbol_event->name, KSYM_NAME_LEN, - "bpf_prog_"); - name_len += snprintf_hex(ksymbol_event->name + name_len, - KSYM_NAME_LEN - name_len, - prog_tags[i], BPF_TAG_SIZE); - if (has_btf) { - finfo = func_infos + i * info.func_info_rec_size; - t = btf__type_by_id(btf, finfo->type_id); - short_name = btf__name_by_offset(btf, t->name_off); - } else if (i == 0 && sub_prog_cnt == 1) { - /* no subprog */ - if (info.name[0]) - short_name = info.name; - } else - short_name = "F"; - if (short_name) - name_len += snprintf(ksymbol_event->name + name_len, - KSYM_NAME_LEN - name_len, - "_%s", short_name); + name_len = synthesize_bpf_prog_name(ksymbol_event->name, + KSYM_NAME_LEN, info, btf, i); ksymbol_event->header.size += PERF_ALIGN(name_len + 1, sizeof(u64)); @@ -186,8 +251,8 @@ static int perf_event__synthesize_one_bpf_prog(struct perf_tool *tool, machine, process); } - /* Synthesize PERF_RECORD_BPF_EVENT */ - if (opts->bpf_event) { + if (!opts->no_bpf_event) { + /* Synthesize PERF_RECORD_BPF_EVENT */ *bpf_event = (struct bpf_event){ .header = { .type = PERF_RECORD_BPF_EVENT, @@ -195,25 +260,38 @@ static int perf_event__synthesize_one_bpf_prog(struct perf_tool *tool, }, .type = PERF_BPF_EVENT_PROG_LOAD, .flags = 0, - .id = info.id, + .id = info->id, }; - memcpy(bpf_event->tag, prog_tags[i], BPF_TAG_SIZE); + memcpy(bpf_event->tag, info->tag, BPF_TAG_SIZE); memset((void *)event + event->header.size, 0, machine->id_hdr_size); event->header.size += machine->id_hdr_size; + + /* save bpf_prog_info to env */ + info_node = malloc(sizeof(struct bpf_prog_info_node)); + if (!info_node) { + err = -1; + goto out; + } + + info_node->info_linear = info_linear; + perf_env__insert_bpf_prog_info(env, info_node); + info_linear = NULL; + + /* + * process after saving bpf_prog_info to env, so that + * required information is ready for look up + */ err = perf_tool__process_synth_event(tool, event, machine, process); } out: - free(prog_tags); - free(prog_lens); - free(prog_addrs); - free(func_infos); + free(info_linear); free(btf); return err ? -1 : 0; } -int perf_event__synthesize_bpf_events(struct perf_tool *tool, +int perf_event__synthesize_bpf_events(struct perf_session *session, perf_event__handler_t process, struct machine *machine, struct record_opts *opts) @@ -247,7 +325,7 @@ int perf_event__synthesize_bpf_events(struct perf_tool *tool, continue; } - err = perf_event__synthesize_one_bpf_prog(tool, process, + err = perf_event__synthesize_one_bpf_prog(session, process, machine, fd, event, opts); close(fd); @@ -261,3 +339,142 @@ int perf_event__synthesize_bpf_events(struct perf_tool *tool, free(event); return err; } + +static void perf_env__add_bpf_info(struct perf_env *env, u32 id) +{ + struct bpf_prog_info_linear *info_linear; + struct bpf_prog_info_node *info_node; + struct btf *btf = NULL; + u64 arrays; + u32 btf_id; + int fd; + + fd = bpf_prog_get_fd_by_id(id); + if (fd < 0) + return; + + arrays = 1UL << BPF_PROG_INFO_JITED_KSYMS; + arrays |= 1UL << BPF_PROG_INFO_JITED_FUNC_LENS; + arrays |= 1UL << BPF_PROG_INFO_FUNC_INFO; + arrays |= 1UL << BPF_PROG_INFO_PROG_TAGS; + arrays |= 1UL << BPF_PROG_INFO_JITED_INSNS; + arrays |= 1UL << BPF_PROG_INFO_LINE_INFO; + arrays |= 1UL << BPF_PROG_INFO_JITED_LINE_INFO; + + info_linear = bpf_program__get_prog_info_linear(fd, arrays); + if (IS_ERR_OR_NULL(info_linear)) { + pr_debug("%s: failed to get BPF program info. aborting\n", __func__); + goto out; + } + + btf_id = info_linear->info.btf_id; + + info_node = malloc(sizeof(struct bpf_prog_info_node)); + if (info_node) { + info_node->info_linear = info_linear; + perf_env__insert_bpf_prog_info(env, info_node); + } else + free(info_linear); + + if (btf_id == 0) + goto out; + + if (btf__get_from_id(btf_id, &btf)) { + pr_debug("%s: failed to get BTF of id %u, aborting\n", + __func__, btf_id); + goto out; + } + perf_env__fetch_btf(env, btf_id, btf); + +out: + free(btf); + close(fd); +} + +static int bpf_event__sb_cb(union perf_event *event, void *data) +{ + struct perf_env *env = data; + + if (event->header.type != PERF_RECORD_BPF_EVENT) + return -1; + + switch (event->bpf_event.type) { + case PERF_BPF_EVENT_PROG_LOAD: + perf_env__add_bpf_info(env, event->bpf_event.id); + + case PERF_BPF_EVENT_PROG_UNLOAD: + /* + * Do not free bpf_prog_info and btf of the program here, + * as annotation still need them. They will be freed at + * the end of the session. + */ + break; + default: + pr_debug("unexpected bpf_event type of %d\n", + event->bpf_event.type); + break; + } + + return 0; +} + +int bpf_event__add_sb_event(struct perf_evlist **evlist, + struct perf_env *env) +{ + struct perf_event_attr attr = { + .type = PERF_TYPE_SOFTWARE, + .config = PERF_COUNT_SW_DUMMY, + .sample_id_all = 1, + .watermark = 1, + .bpf_event = 1, + .size = sizeof(attr), /* to capture ABI version */ + }; + + /* + * Older gcc versions don't support designated initializers, like above, + * for unnamed union members, such as the following: + */ + attr.wakeup_watermark = 1; + + return perf_evlist__add_sb_event(evlist, &attr, bpf_event__sb_cb, env); +} + +void bpf_event__print_bpf_prog_info(struct bpf_prog_info *info, + struct perf_env *env, + FILE *fp) +{ + __u32 *prog_lens = (__u32 *)(uintptr_t)(info->jited_func_lens); + __u64 *prog_addrs = (__u64 *)(uintptr_t)(info->jited_ksyms); + char name[KSYM_NAME_LEN]; + struct btf *btf = NULL; + u32 sub_prog_cnt, i; + + sub_prog_cnt = info->nr_jited_ksyms; + if (sub_prog_cnt != info->nr_prog_tags || + sub_prog_cnt != info->nr_jited_func_lens) + return; + + if (info->btf_id) { + struct btf_node *node; + + node = perf_env__find_btf(env, info->btf_id); + if (node) + btf = btf__new((__u8 *)(node->data), + node->data_size); + } + + if (sub_prog_cnt == 1) { + synthesize_bpf_prog_name(name, KSYM_NAME_LEN, info, btf, 0); + fprintf(fp, "# bpf_prog_info %u: %s addr 0x%llx size %u\n", + info->id, name, prog_addrs[0], prog_lens[0]); + return; + } + + fprintf(fp, "# bpf_prog_info %u:\n", info->id); + for (i = 0; i < sub_prog_cnt; i++) { + synthesize_bpf_prog_name(name, KSYM_NAME_LEN, info, btf, i); + + fprintf(fp, "# \tsub_prog %u: %s addr 0x%llx size %u\n", + i, name, prog_addrs[i], prog_lens[i]); + } +} diff --git a/tools/perf/util/bpf-event.h b/tools/perf/util/bpf-event.h index 7890067e1a37..04c33b3bfe28 100644 --- a/tools/perf/util/bpf-event.h +++ b/tools/perf/util/bpf-event.h @@ -3,22 +3,45 @@ #define __PERF_BPF_EVENT_H #include <linux/compiler.h> +#include <linux/rbtree.h> +#include <pthread.h> +#include <api/fd/array.h> #include "event.h" +#include <stdio.h> struct machine; union perf_event; +struct perf_env; struct perf_sample; -struct perf_tool; struct record_opts; +struct evlist; +struct target; + +struct bpf_prog_info_node { + struct bpf_prog_info_linear *info_linear; + struct rb_node rb_node; +}; + +struct btf_node { + struct rb_node rb_node; + u32 id; + u32 data_size; + char data[]; +}; #ifdef HAVE_LIBBPF_SUPPORT int machine__process_bpf_event(struct machine *machine, union perf_event *event, struct perf_sample *sample); -int perf_event__synthesize_bpf_events(struct perf_tool *tool, +int perf_event__synthesize_bpf_events(struct perf_session *session, perf_event__handler_t process, struct machine *machine, struct record_opts *opts); +int bpf_event__add_sb_event(struct perf_evlist **evlist, + struct perf_env *env); +void bpf_event__print_bpf_prog_info(struct bpf_prog_info *info, + struct perf_env *env, + FILE *fp); #else static inline int machine__process_bpf_event(struct machine *machine __maybe_unused, union perf_event *event __maybe_unused, @@ -27,12 +50,25 @@ static inline int machine__process_bpf_event(struct machine *machine __maybe_unu return 0; } -static inline int perf_event__synthesize_bpf_events(struct perf_tool *tool __maybe_unused, +static inline int perf_event__synthesize_bpf_events(struct perf_session *session __maybe_unused, perf_event__handler_t process __maybe_unused, struct machine *machine __maybe_unused, struct record_opts *opts __maybe_unused) { return 0; } + +static inline int bpf_event__add_sb_event(struct perf_evlist **evlist __maybe_unused, + struct perf_env *env __maybe_unused) +{ + return 0; +} + +static inline void bpf_event__print_bpf_prog_info(struct bpf_prog_info *info __maybe_unused, + struct perf_env *env __maybe_unused, + FILE *fp __maybe_unused) +{ + +} #endif // HAVE_LIBBPF_SUPPORT #endif diff --git a/tools/perf/util/build-id.c b/tools/perf/util/build-id.c index bff0d17920ed..0c5517a8d0b7 100644 --- a/tools/perf/util/build-id.c +++ b/tools/perf/util/build-id.c @@ -185,6 +185,7 @@ char *build_id_cache__linkname(const char *sbuild_id, char *bf, size_t size) return bf; } +/* The caller is responsible to free the returned buffer. */ char *build_id_cache__origname(const char *sbuild_id) { char *linkname; diff --git a/tools/perf/util/config.c b/tools/perf/util/config.c index fa092511c52b..7e3c1b60120c 100644 --- a/tools/perf/util/config.c +++ b/tools/perf/util/config.c @@ -633,11 +633,10 @@ static int collect_config(const char *var, const char *value, } ret = set_value(item, value); - return ret; out_free: free(key); - return -1; + return ret; } int perf_config_set__collect(struct perf_config_set *set, const char *file_name, diff --git a/tools/perf/util/cs-etm-decoder/cs-etm-decoder.c b/tools/perf/util/cs-etm-decoder/cs-etm-decoder.c index ba4c623cd8de..39fe21e1cf93 100644 --- a/tools/perf/util/cs-etm-decoder/cs-etm-decoder.c +++ b/tools/perf/util/cs-etm-decoder/cs-etm-decoder.c @@ -387,6 +387,7 @@ cs_etm_decoder__buffer_range(struct cs_etm_decoder *decoder, break; case OCSD_INSTR_ISB: case OCSD_INSTR_DSB_DMB: + case OCSD_INSTR_WFI_WFE: case OCSD_INSTR_OTHER: default: packet->last_instr_taken_branch = false; diff --git a/tools/perf/util/data.c b/tools/perf/util/data.c index e098e189f93e..6a64f713710d 100644 --- a/tools/perf/util/data.c +++ b/tools/perf/util/data.c @@ -14,6 +14,7 @@ #include "data.h" #include "util.h" #include "debug.h" +#include "header.h" static void close_dir(struct perf_data_file *files, int nr) { @@ -34,12 +35,16 @@ int perf_data__create_dir(struct perf_data *data, int nr) struct perf_data_file *files = NULL; int i, ret = -1; + if (WARN_ON(!data->is_dir)) + return -EINVAL; + files = zalloc(nr * sizeof(*files)); if (!files) return -ENOMEM; - data->dir.files = files; - data->dir.nr = nr; + data->dir.version = PERF_DIR_VERSION; + data->dir.files = files; + data->dir.nr = nr; for (i = 0; i < nr; i++) { struct perf_data_file *file = &files[i]; @@ -69,6 +74,13 @@ int perf_data__open_dir(struct perf_data *data) DIR *dir; int nr = 0; + if (WARN_ON(!data->is_dir)) + return -EINVAL; + + /* The version is provided by DIR_FORMAT feature. */ + if (WARN_ON(data->dir.version != PERF_DIR_VERSION)) + return -1; + dir = opendir(data->path); if (!dir) return -EINVAL; @@ -118,6 +130,26 @@ out_err: return ret; } +int perf_data__update_dir(struct perf_data *data) +{ + int i; + + if (WARN_ON(!data->is_dir)) + return -EINVAL; + + for (i = 0; i < data->dir.nr; i++) { + struct perf_data_file *file = &data->dir.files[i]; + struct stat st; + + if (fstat(file->fd, &st)) + return -1; + + file->size = st.st_size; + } + + return 0; +} + static bool check_pipe(struct perf_data *data) { struct stat st; @@ -173,6 +205,16 @@ static int check_backup(struct perf_data *data) return 0; } +static bool is_dir(struct perf_data *data) +{ + struct stat st; + + if (stat(data->path, &st)) + return false; + + return (st.st_mode & S_IFMT) == S_IFDIR; +} + static int open_file_read(struct perf_data *data) { struct stat st; @@ -254,6 +296,30 @@ static int open_file_dup(struct perf_data *data) return open_file(data); } +static int open_dir(struct perf_data *data) +{ + int ret; + + /* + * So far we open only the header, so we can read the data version and + * layout. + */ + if (asprintf(&data->file.path, "%s/header", data->path) < 0) + return -1; + + if (perf_data__is_write(data) && + mkdir(data->path, S_IRWXU) < 0) + return -1; + + ret = open_file(data); + + /* Cleanup whatever we managed to create so far. */ + if (ret && perf_data__is_write(data)) + rm_rf_perf_data(data->path); + + return ret; +} + int perf_data__open(struct perf_data *data) { if (check_pipe(data)) @@ -265,11 +331,18 @@ int perf_data__open(struct perf_data *data) if (check_backup(data)) return -1; - return open_file_dup(data); + if (perf_data__is_read(data)) + data->is_dir = is_dir(data); + + return perf_data__is_dir(data) ? + open_dir(data) : open_file_dup(data); } void perf_data__close(struct perf_data *data) { + if (perf_data__is_dir(data)) + perf_data__close_dir(data); + zfree(&data->file.path); close(data->file.fd); } @@ -288,9 +361,9 @@ ssize_t perf_data__write(struct perf_data *data, int perf_data__switch(struct perf_data *data, const char *postfix, - size_t pos, bool at_exit) + size_t pos, bool at_exit, + char **new_filepath) { - char *new_filepath; int ret; if (check_pipe(data)) @@ -298,15 +371,15 @@ int perf_data__switch(struct perf_data *data, if (perf_data__is_read(data)) return -EINVAL; - if (asprintf(&new_filepath, "%s.%s", data->path, postfix) < 0) + if (asprintf(new_filepath, "%s.%s", data->path, postfix) < 0) return -ENOMEM; /* * Only fire a warning, don't return error, continue fill * original file. */ - if (rename(data->path, new_filepath)) - pr_warning("Failed to rename %s to %s\n", data->path, new_filepath); + if (rename(data->path, *new_filepath)) + pr_warning("Failed to rename %s to %s\n", data->path, *new_filepath); if (!at_exit) { close(data->file.fd); @@ -323,6 +396,22 @@ int perf_data__switch(struct perf_data *data, } ret = data->file.fd; out: - free(new_filepath); return ret; } + +unsigned long perf_data__size(struct perf_data *data) +{ + u64 size = data->file.size; + int i; + + if (!data->is_dir) + return size; + + for (i = 0; i < data->dir.nr; i++) { + struct perf_data_file *file = &data->dir.files[i]; + + size += file->size; + } + + return size; +} diff --git a/tools/perf/util/data.h b/tools/perf/util/data.h index 14b47be2bd69..259868a39019 100644 --- a/tools/perf/util/data.h +++ b/tools/perf/util/data.h @@ -19,10 +19,12 @@ struct perf_data { const char *path; struct perf_data_file file; bool is_pipe; + bool is_dir; bool force; enum perf_data_mode mode; struct { + u64 version; struct perf_data_file *files; int nr; } dir; @@ -43,14 +45,14 @@ static inline int perf_data__is_pipe(struct perf_data *data) return data->is_pipe; } -static inline int perf_data__fd(struct perf_data *data) +static inline bool perf_data__is_dir(struct perf_data *data) { - return data->file.fd; + return data->is_dir; } -static inline unsigned long perf_data__size(struct perf_data *data) +static inline int perf_data__fd(struct perf_data *data) { - return data->file.size; + return data->file.fd; } int perf_data__open(struct perf_data *data); @@ -68,9 +70,11 @@ ssize_t perf_data_file__write(struct perf_data_file *file, */ int perf_data__switch(struct perf_data *data, const char *postfix, - size_t pos, bool at_exit); + size_t pos, bool at_exit, char **new_filepath); int perf_data__create_dir(struct perf_data *data, int nr); int perf_data__open_dir(struct perf_data *data); void perf_data__close_dir(struct perf_data *data); +int perf_data__update_dir(struct perf_data *data); +unsigned long perf_data__size(struct perf_data *data); #endif /* __PERF_DATA_H */ diff --git a/tools/perf/util/dso.c b/tools/perf/util/dso.c index ba58ba603b69..e059976d9d93 100644 --- a/tools/perf/util/dso.c +++ b/tools/perf/util/dso.c @@ -184,6 +184,7 @@ int dso__read_binary_type_filename(const struct dso *dso, case DSO_BINARY_TYPE__KALLSYMS: case DSO_BINARY_TYPE__GUEST_KALLSYMS: case DSO_BINARY_TYPE__JAVA_JIT: + case DSO_BINARY_TYPE__BPF_PROG_INFO: case DSO_BINARY_TYPE__NOT_FOUND: ret = -1; break; @@ -1141,28 +1142,34 @@ void dso__set_short_name(struct dso *dso, const char *name, bool name_allocated) static void dso__set_basename(struct dso *dso) { - /* - * basename() may modify path buffer, so we must pass - * a copy. - */ - char *base, *lname = strdup(dso->long_name); + char *base, *lname; + int tid; - if (!lname) - return; - - /* - * basename() may return a pointer to internal - * storage which is reused in subsequent calls - * so copy the result. - */ - base = strdup(basename(lname)); + if (sscanf(dso->long_name, "/tmp/perf-%d.map", &tid) == 1) { + if (asprintf(&base, "[JIT] tid %d", tid) < 0) + return; + } else { + /* + * basename() may modify path buffer, so we must pass + * a copy. + */ + lname = strdup(dso->long_name); + if (!lname) + return; - free(lname); + /* + * basename() may return a pointer to internal + * storage which is reused in subsequent calls + * so copy the result. + */ + base = strdup(basename(lname)); - if (!base) - return; + free(lname); - dso__set_short_name(dso, base, true); + if (!base) + return; + } + dso__set_short_name(dso, base, true); } int dso__name_len(const struct dso *dso) diff --git a/tools/perf/util/dso.h b/tools/perf/util/dso.h index bb417c54c25a..6e3f63781e51 100644 --- a/tools/perf/util/dso.h +++ b/tools/perf/util/dso.h @@ -14,6 +14,7 @@ struct machine; struct map; +struct perf_env; enum dso_binary_type { DSO_BINARY_TYPE__KALLSYMS = 0, @@ -35,6 +36,7 @@ enum dso_binary_type { DSO_BINARY_TYPE__KCORE, DSO_BINARY_TYPE__GUEST_KCORE, DSO_BINARY_TYPE__OPENEMBEDDED_DEBUGINFO, + DSO_BINARY_TYPE__BPF_PROG_INFO, DSO_BINARY_TYPE__NOT_FOUND, }; @@ -189,6 +191,12 @@ struct dso { u64 debug_frame_offset; u64 eh_frame_hdr_offset; } data; + /* bpf prog information */ + struct { + u32 id; + u32 sub_id; + struct perf_env *env; + } bpf_prog; union { /* Tool specific area */ void *priv; diff --git a/tools/perf/util/env.c b/tools/perf/util/env.c index 4c23779e271a..c6351b557bb0 100644 --- a/tools/perf/util/env.c +++ b/tools/perf/util/env.c @@ -3,15 +3,163 @@ #include "env.h" #include "sane_ctype.h" #include "util.h" +#include "bpf-event.h" #include <errno.h> #include <sys/utsname.h> +#include <bpf/libbpf.h> struct perf_env perf_env; +void perf_env__insert_bpf_prog_info(struct perf_env *env, + struct bpf_prog_info_node *info_node) +{ + __u32 prog_id = info_node->info_linear->info.id; + struct bpf_prog_info_node *node; + struct rb_node *parent = NULL; + struct rb_node **p; + + down_write(&env->bpf_progs.lock); + p = &env->bpf_progs.infos.rb_node; + + while (*p != NULL) { + parent = *p; + node = rb_entry(parent, struct bpf_prog_info_node, rb_node); + if (prog_id < node->info_linear->info.id) { + p = &(*p)->rb_left; + } else if (prog_id > node->info_linear->info.id) { + p = &(*p)->rb_right; + } else { + pr_debug("duplicated bpf prog info %u\n", prog_id); + goto out; + } + } + + rb_link_node(&info_node->rb_node, parent, p); + rb_insert_color(&info_node->rb_node, &env->bpf_progs.infos); + env->bpf_progs.infos_cnt++; +out: + up_write(&env->bpf_progs.lock); +} + +struct bpf_prog_info_node *perf_env__find_bpf_prog_info(struct perf_env *env, + __u32 prog_id) +{ + struct bpf_prog_info_node *node = NULL; + struct rb_node *n; + + down_read(&env->bpf_progs.lock); + n = env->bpf_progs.infos.rb_node; + + while (n) { + node = rb_entry(n, struct bpf_prog_info_node, rb_node); + if (prog_id < node->info_linear->info.id) + n = n->rb_left; + else if (prog_id > node->info_linear->info.id) + n = n->rb_right; + else + break; + } + + up_read(&env->bpf_progs.lock); + return node; +} + +void perf_env__insert_btf(struct perf_env *env, struct btf_node *btf_node) +{ + struct rb_node *parent = NULL; + __u32 btf_id = btf_node->id; + struct btf_node *node; + struct rb_node **p; + + down_write(&env->bpf_progs.lock); + p = &env->bpf_progs.btfs.rb_node; + + while (*p != NULL) { + parent = *p; + node = rb_entry(parent, struct btf_node, rb_node); + if (btf_id < node->id) { + p = &(*p)->rb_left; + } else if (btf_id > node->id) { + p = &(*p)->rb_right; + } else { + pr_debug("duplicated btf %u\n", btf_id); + goto out; + } + } + + rb_link_node(&btf_node->rb_node, parent, p); + rb_insert_color(&btf_node->rb_node, &env->bpf_progs.btfs); + env->bpf_progs.btfs_cnt++; +out: + up_write(&env->bpf_progs.lock); +} + +struct btf_node *perf_env__find_btf(struct perf_env *env, __u32 btf_id) +{ + struct btf_node *node = NULL; + struct rb_node *n; + + down_read(&env->bpf_progs.lock); + n = env->bpf_progs.btfs.rb_node; + + while (n) { + node = rb_entry(n, struct btf_node, rb_node); + if (btf_id < node->id) + n = n->rb_left; + else if (btf_id > node->id) + n = n->rb_right; + else + break; + } + + up_read(&env->bpf_progs.lock); + return node; +} + +/* purge data in bpf_progs.infos tree */ +static void perf_env__purge_bpf(struct perf_env *env) +{ + struct rb_root *root; + struct rb_node *next; + + down_write(&env->bpf_progs.lock); + + root = &env->bpf_progs.infos; + next = rb_first(root); + + while (next) { + struct bpf_prog_info_node *node; + + node = rb_entry(next, struct bpf_prog_info_node, rb_node); + next = rb_next(&node->rb_node); + rb_erase(&node->rb_node, root); + free(node); + } + + env->bpf_progs.infos_cnt = 0; + + root = &env->bpf_progs.btfs; + next = rb_first(root); + + while (next) { + struct btf_node *node; + + node = rb_entry(next, struct btf_node, rb_node); + next = rb_next(&node->rb_node); + rb_erase(&node->rb_node, root); + free(node); + } + + env->bpf_progs.btfs_cnt = 0; + + up_write(&env->bpf_progs.lock); +} + void perf_env__exit(struct perf_env *env) { int i; + perf_env__purge_bpf(env); zfree(&env->hostname); zfree(&env->os_release); zfree(&env->version); @@ -38,6 +186,13 @@ void perf_env__exit(struct perf_env *env) zfree(&env->memory_nodes); } +void perf_env__init(struct perf_env *env) +{ + env->bpf_progs.infos = RB_ROOT; + env->bpf_progs.btfs = RB_ROOT; + init_rwsem(&env->bpf_progs.lock); +} + int perf_env__set_cmdline(struct perf_env *env, int argc, const char *argv[]) { int i; diff --git a/tools/perf/util/env.h b/tools/perf/util/env.h index d01b8355f4ca..4f8e2b485c01 100644 --- a/tools/perf/util/env.h +++ b/tools/perf/util/env.h @@ -3,7 +3,9 @@ #define __PERF_ENV_H #include <linux/types.h> +#include <linux/rbtree.h> #include "cpumap.h" +#include "rwsem.h" struct cpu_topology_map { int socket_id; @@ -64,8 +66,23 @@ struct perf_env { struct memory_node *memory_nodes; unsigned long long memory_bsize; u64 clockid_res_ns; + + /* + * bpf_info_lock protects bpf rbtrees. This is needed because the + * trees are accessed by different threads in perf-top + */ + struct { + struct rw_semaphore lock; + struct rb_root infos; + u32 infos_cnt; + struct rb_root btfs; + u32 btfs_cnt; + } bpf_progs; }; +struct bpf_prog_info_node; +struct btf_node; + extern struct perf_env perf_env; void perf_env__exit(struct perf_env *env); @@ -80,4 +97,11 @@ const char *perf_env__arch(struct perf_env *env); const char *perf_env__raw_arch(struct perf_env *env); int perf_env__nr_cpus_avail(struct perf_env *env); +void perf_env__init(struct perf_env *env); +void perf_env__insert_bpf_prog_info(struct perf_env *env, + struct bpf_prog_info_node *info_node); +struct bpf_prog_info_node *perf_env__find_bpf_prog_info(struct perf_env *env, + __u32 prog_id); +void perf_env__insert_btf(struct perf_env *env, struct btf_node *btf_node); +struct btf_node *perf_env__find_btf(struct perf_env *env, __u32 btf_id); #endif /* __PERF_ENV_H */ diff --git a/tools/perf/util/evlist.c b/tools/perf/util/evlist.c index ed20f4379956..6689378ee577 100644 --- a/tools/perf/util/evlist.c +++ b/tools/perf/util/evlist.c @@ -19,6 +19,7 @@ #include "debug.h" #include "units.h" #include "asm/bug.h" +#include "bpf-event.h" #include <signal.h> #include <unistd.h> @@ -230,35 +231,6 @@ void perf_evlist__set_leader(struct perf_evlist *evlist) } } -void perf_event_attr__set_max_precise_ip(struct perf_event_attr *pattr) -{ - struct perf_event_attr attr = { - .type = PERF_TYPE_HARDWARE, - .config = PERF_COUNT_HW_CPU_CYCLES, - .exclude_kernel = 1, - .precise_ip = 3, - }; - - event_attr_init(&attr); - - /* - * Unnamed union member, not supported as struct member named - * initializer in older compilers such as gcc 4.4.7 - */ - attr.sample_period = 1; - - while (attr.precise_ip != 0) { - int fd = sys_perf_event_open(&attr, 0, -1, -1, 0); - if (fd != -1) { - close(fd); - break; - } - --attr.precise_ip; - } - - pattr->precise_ip = attr.precise_ip; -} - int __perf_evlist__add_default(struct perf_evlist *evlist, bool precise) { struct perf_evsel *evsel = perf_evsel__new_cycles(precise); @@ -1856,3 +1828,121 @@ struct perf_evsel *perf_evlist__reset_weak_group(struct perf_evlist *evsel_list, } return leader; } + +int perf_evlist__add_sb_event(struct perf_evlist **evlist, + struct perf_event_attr *attr, + perf_evsel__sb_cb_t cb, + void *data) +{ + struct perf_evsel *evsel; + bool new_evlist = (*evlist) == NULL; + + if (*evlist == NULL) + *evlist = perf_evlist__new(); + if (*evlist == NULL) + return -1; + + if (!attr->sample_id_all) { + pr_warning("enabling sample_id_all for all side band events\n"); + attr->sample_id_all = 1; + } + + evsel = perf_evsel__new_idx(attr, (*evlist)->nr_entries); + if (!evsel) + goto out_err; + + evsel->side_band.cb = cb; + evsel->side_band.data = data; + perf_evlist__add(*evlist, evsel); + return 0; + +out_err: + if (new_evlist) { + perf_evlist__delete(*evlist); + *evlist = NULL; + } + return -1; +} + +static void *perf_evlist__poll_thread(void *arg) +{ + struct perf_evlist *evlist = arg; + bool draining = false; + int i; + + while (draining || !(evlist->thread.done)) { + if (draining) + draining = false; + else if (evlist->thread.done) + draining = true; + + if (!draining) + perf_evlist__poll(evlist, 1000); + + for (i = 0; i < evlist->nr_mmaps; i++) { + struct perf_mmap *map = &evlist->mmap[i]; + union perf_event *event; + + if (perf_mmap__read_init(map)) + continue; + while ((event = perf_mmap__read_event(map)) != NULL) { + struct perf_evsel *evsel = perf_evlist__event2evsel(evlist, event); + + if (evsel && evsel->side_band.cb) + evsel->side_band.cb(event, evsel->side_band.data); + else + pr_warning("cannot locate proper evsel for the side band event\n"); + + perf_mmap__consume(map); + } + perf_mmap__read_done(map); + } + } + return NULL; +} + +int perf_evlist__start_sb_thread(struct perf_evlist *evlist, + struct target *target) +{ + struct perf_evsel *counter; + + if (!evlist) + return 0; + + if (perf_evlist__create_maps(evlist, target)) + goto out_delete_evlist; + + evlist__for_each_entry(evlist, counter) { + if (perf_evsel__open(counter, evlist->cpus, + evlist->threads) < 0) + goto out_delete_evlist; + } + + if (perf_evlist__mmap(evlist, UINT_MAX)) + goto out_delete_evlist; + + evlist__for_each_entry(evlist, counter) { + if (perf_evsel__enable(counter)) + goto out_delete_evlist; + } + + evlist->thread.done = 0; + if (pthread_create(&evlist->thread.th, NULL, perf_evlist__poll_thread, evlist)) + goto out_delete_evlist; + + return 0; + +out_delete_evlist: + perf_evlist__delete(evlist); + evlist = NULL; + return -1; +} + +void perf_evlist__stop_sb_thread(struct perf_evlist *evlist) +{ + if (!evlist) + return; + evlist->thread.done = 1; + pthread_join(evlist->thread.th, NULL); + perf_evlist__delete(evlist); +} diff --git a/tools/perf/util/evlist.h b/tools/perf/util/evlist.h index 744906dd4887..6a94785b9100 100644 --- a/tools/perf/util/evlist.h +++ b/tools/perf/util/evlist.h @@ -54,6 +54,10 @@ struct perf_evlist { struct perf_sample *sample); u64 first_sample_time; u64 last_sample_time; + struct { + pthread_t th; + volatile int done; + } thread; }; struct perf_evsel_str_handler { @@ -87,6 +91,14 @@ int __perf_evlist__add_default_attrs(struct perf_evlist *evlist, int perf_evlist__add_dummy(struct perf_evlist *evlist); +int perf_evlist__add_sb_event(struct perf_evlist **evlist, + struct perf_event_attr *attr, + perf_evsel__sb_cb_t cb, + void *data); +int perf_evlist__start_sb_thread(struct perf_evlist *evlist, + struct target *target); +void perf_evlist__stop_sb_thread(struct perf_evlist *evlist); + int perf_evlist__add_newtp(struct perf_evlist *evlist, const char *sys, const char *name, void *handler); @@ -303,8 +315,6 @@ void perf_evlist__to_front(struct perf_evlist *evlist, void perf_evlist__set_tracking_event(struct perf_evlist *evlist, struct perf_evsel *tracking_evsel); -void perf_event_attr__set_max_precise_ip(struct perf_event_attr *attr); - struct perf_evsel * perf_evlist__find_evsel_by_str(struct perf_evlist *evlist, const char *str); diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c index 3bbf73e979c0..66d066f18b5b 100644 --- a/tools/perf/util/evsel.c +++ b/tools/perf/util/evsel.c @@ -295,7 +295,6 @@ struct perf_evsel *perf_evsel__new_cycles(bool precise) if (!precise) goto new_event; - perf_event_attr__set_max_precise_ip(&attr); /* * Now let the usual logic to set up the perf_event_attr defaults * to kick in when we return and before perf_evsel__open() is called. @@ -305,6 +304,8 @@ new_event: if (evsel == NULL) goto out; + evsel->precise_max = true; + /* use asprintf() because free(evsel) assumes name is allocated */ if (asprintf(&evsel->name, "cycles%s%s%.*s", (attr.precise_ip || attr.exclude_kernel) ? ":" : "", @@ -1036,7 +1037,7 @@ void perf_evsel__config(struct perf_evsel *evsel, struct record_opts *opts, attr->mmap2 = track && !perf_missing_features.mmap2; attr->comm = track; attr->ksymbol = track && !perf_missing_features.ksymbol; - attr->bpf_event = track && opts->bpf_event && + attr->bpf_event = track && !opts->no_bpf_event && !perf_missing_features.bpf_event; if (opts->record_namespaces) @@ -1083,7 +1084,7 @@ void perf_evsel__config(struct perf_evsel *evsel, struct record_opts *opts, } if (evsel->precise_max) - perf_event_attr__set_max_precise_ip(attr); + attr->precise_ip = 3; if (opts->all_user) { attr->exclude_kernel = 1; @@ -1292,6 +1293,7 @@ void perf_evsel__exit(struct perf_evsel *evsel) { assert(list_empty(&evsel->node)); assert(evsel->evlist == NULL); + perf_evsel__free_counts(evsel); perf_evsel__free_fd(evsel); perf_evsel__free_id(evsel); perf_evsel__free_config_terms(evsel); @@ -1342,10 +1344,9 @@ void perf_counts_values__scale(struct perf_counts_values *count, count->val = 0; } else if (count->run < count->ena) { scaled = 1; - count->val = (u64)((double) count->val * count->ena / count->run + 0.5); + count->val = (u64)((double) count->val * count->ena / count->run); } - } else - count->ena = count->run = 0; + } if (pscaled) *pscaled = scaled; @@ -1749,6 +1750,59 @@ static bool ignore_missing_thread(struct perf_evsel *evsel, return true; } +static void display_attr(struct perf_event_attr *attr) +{ + if (verbose >= 2) { + fprintf(stderr, "%.60s\n", graph_dotted_line); + fprintf(stderr, "perf_event_attr:\n"); + perf_event_attr__fprintf(stderr, attr, __open_attr__fprintf, NULL); + fprintf(stderr, "%.60s\n", graph_dotted_line); + } +} + +static int perf_event_open(struct perf_evsel *evsel, + pid_t pid, int cpu, int group_fd, + unsigned long flags) +{ + int precise_ip = evsel->attr.precise_ip; + int fd; + + while (1) { + pr_debug2("sys_perf_event_open: pid %d cpu %d group_fd %d flags %#lx", + pid, cpu, group_fd, flags); + + fd = sys_perf_event_open(&evsel->attr, pid, cpu, group_fd, flags); + if (fd >= 0) + break; + + /* + * Do quick precise_ip fallback if: + * - there is precise_ip set in perf_event_attr + * - maximum precise is requested + * - sys_perf_event_open failed with ENOTSUP error, + * which is associated with wrong precise_ip + */ + if (!precise_ip || !evsel->precise_max || (errno != ENOTSUP)) + break; + + /* + * We tried all the precise_ip values, and it's + * still failing, so leave it to standard fallback. + */ + if (!evsel->attr.precise_ip) { + evsel->attr.precise_ip = precise_ip; + break; + } + + pr_debug2("\nsys_perf_event_open failed, error %d\n", -ENOTSUP); + evsel->attr.precise_ip--; + pr_debug2("decreasing precise_ip by one (%d)\n", evsel->attr.precise_ip); + display_attr(&evsel->attr); + } + + return fd; +} + int perf_evsel__open(struct perf_evsel *evsel, struct cpu_map *cpus, struct thread_map *threads) { @@ -1824,12 +1878,7 @@ retry_sample_id: if (perf_missing_features.sample_id_all) evsel->attr.sample_id_all = 0; - if (verbose >= 2) { - fprintf(stderr, "%.60s\n", graph_dotted_line); - fprintf(stderr, "perf_event_attr:\n"); - perf_event_attr__fprintf(stderr, &evsel->attr, __open_attr__fprintf, NULL); - fprintf(stderr, "%.60s\n", graph_dotted_line); - } + display_attr(&evsel->attr); for (cpu = 0; cpu < cpus->nr; cpu++) { @@ -1841,13 +1890,10 @@ retry_sample_id: group_fd = get_group_fd(evsel, cpu, thread); retry_open: - pr_debug2("sys_perf_event_open: pid %d cpu %d group_fd %d flags %#lx", - pid, cpus->map[cpu], group_fd, flags); - test_attr__ready(); - fd = sys_perf_event_open(&evsel->attr, pid, cpus->map[cpu], - group_fd, flags); + fd = perf_event_open(evsel, pid, cpus->map[cpu], + group_fd, flags); FD(evsel, cpu, thread) = fd; diff --git a/tools/perf/util/evsel.h b/tools/perf/util/evsel.h index cc578e02e08f..0f2c6c93d721 100644 --- a/tools/perf/util/evsel.h +++ b/tools/perf/util/evsel.h @@ -73,6 +73,8 @@ struct perf_evsel_config_term { struct perf_stat_evsel; +typedef int (perf_evsel__sb_cb_t)(union perf_event *event, void *data); + /** struct perf_evsel - event selector * * @evlist - evlist this evsel is in, if it is in one. @@ -151,6 +153,10 @@ struct perf_evsel { bool collect_stat; bool weak_group; const char *pmu_name; + struct { + perf_evsel__sb_cb_t *cb; + void *data; + } side_band; }; union u64_swap { diff --git a/tools/perf/util/header.c b/tools/perf/util/header.c index 01b324c275b9..b9e693825873 100644 --- a/tools/perf/util/header.c +++ b/tools/perf/util/header.c @@ -18,6 +18,7 @@ #include <sys/utsname.h> #include <linux/time64.h> #include <dirent.h> +#include <bpf/libbpf.h> #include "evlist.h" #include "evsel.h" @@ -40,6 +41,7 @@ #include "time-utils.h" #include "units.h" #include "cputopo.h" +#include "bpf-event.h" #include "sane_ctype.h" @@ -861,6 +863,104 @@ static int write_clockid(struct feat_fd *ff, sizeof(ff->ph->env.clockid_res_ns)); } +static int write_dir_format(struct feat_fd *ff, + struct perf_evlist *evlist __maybe_unused) +{ + struct perf_session *session; + struct perf_data *data; + + session = container_of(ff->ph, struct perf_session, header); + data = session->data; + + if (WARN_ON(!perf_data__is_dir(data))) + return -1; + + return do_write(ff, &data->dir.version, sizeof(data->dir.version)); +} + +#ifdef HAVE_LIBBPF_SUPPORT +static int write_bpf_prog_info(struct feat_fd *ff, + struct perf_evlist *evlist __maybe_unused) +{ + struct perf_env *env = &ff->ph->env; + struct rb_root *root; + struct rb_node *next; + int ret; + + down_read(&env->bpf_progs.lock); + + ret = do_write(ff, &env->bpf_progs.infos_cnt, + sizeof(env->bpf_progs.infos_cnt)); + if (ret < 0) + goto out; + + root = &env->bpf_progs.infos; + next = rb_first(root); + while (next) { + struct bpf_prog_info_node *node; + size_t len; + + node = rb_entry(next, struct bpf_prog_info_node, rb_node); + next = rb_next(&node->rb_node); + len = sizeof(struct bpf_prog_info_linear) + + node->info_linear->data_len; + + /* before writing to file, translate address to offset */ + bpf_program__bpil_addr_to_offs(node->info_linear); + ret = do_write(ff, node->info_linear, len); + /* + * translate back to address even when do_write() fails, + * so that this function never changes the data. + */ + bpf_program__bpil_offs_to_addr(node->info_linear); + if (ret < 0) + goto out; + } +out: + up_read(&env->bpf_progs.lock); + return ret; +} +#else // HAVE_LIBBPF_SUPPORT +static int write_bpf_prog_info(struct feat_fd *ff __maybe_unused, + struct perf_evlist *evlist __maybe_unused) +{ + return 0; +} +#endif // HAVE_LIBBPF_SUPPORT + +static int write_bpf_btf(struct feat_fd *ff, + struct perf_evlist *evlist __maybe_unused) +{ + struct perf_env *env = &ff->ph->env; + struct rb_root *root; + struct rb_node *next; + int ret; + + down_read(&env->bpf_progs.lock); + + ret = do_write(ff, &env->bpf_progs.btfs_cnt, + sizeof(env->bpf_progs.btfs_cnt)); + + if (ret < 0) + goto out; + + root = &env->bpf_progs.btfs; + next = rb_first(root); + while (next) { + struct btf_node *node; + + node = rb_entry(next, struct btf_node, rb_node); + next = rb_next(&node->rb_node); + ret = do_write(ff, &node->id, + sizeof(u32) * 2 + node->data_size); + if (ret < 0) + goto out; + } +out: + up_read(&env->bpf_progs.lock); + return ret; +} + static int cpu_cache_level__sort(const void *a, const void *b) { struct cpu_cache_level *cache_a = (struct cpu_cache_level *)a; @@ -1341,6 +1441,63 @@ static void print_clockid(struct feat_fd *ff, FILE *fp) ff->ph->env.clockid_res_ns * 1000); } +static void print_dir_format(struct feat_fd *ff, FILE *fp) +{ + struct perf_session *session; + struct perf_data *data; + + session = container_of(ff->ph, struct perf_session, header); + data = session->data; + + fprintf(fp, "# directory data version : %"PRIu64"\n", data->dir.version); +} + +static void print_bpf_prog_info(struct feat_fd *ff, FILE *fp) +{ + struct perf_env *env = &ff->ph->env; + struct rb_root *root; + struct rb_node *next; + + down_read(&env->bpf_progs.lock); + + root = &env->bpf_progs.infos; + next = rb_first(root); + + while (next) { + struct bpf_prog_info_node *node; + + node = rb_entry(next, struct bpf_prog_info_node, rb_node); + next = rb_next(&node->rb_node); + + bpf_event__print_bpf_prog_info(&node->info_linear->info, + env, fp); + } + + up_read(&env->bpf_progs.lock); +} + +static void print_bpf_btf(struct feat_fd *ff, FILE *fp) +{ + struct perf_env *env = &ff->ph->env; + struct rb_root *root; + struct rb_node *next; + + down_read(&env->bpf_progs.lock); + + root = &env->bpf_progs.btfs; + next = rb_first(root); + + while (next) { + struct btf_node *node; + + node = rb_entry(next, struct btf_node, rb_node); + next = rb_next(&node->rb_node); + fprintf(fp, "# btf info of id %u\n", node->id); + } + + up_read(&env->bpf_progs.lock); +} + static void free_event_desc(struct perf_evsel *events) { struct perf_evsel *evsel; @@ -2373,6 +2530,139 @@ static int process_clockid(struct feat_fd *ff, return 0; } +static int process_dir_format(struct feat_fd *ff, + void *_data __maybe_unused) +{ + struct perf_session *session; + struct perf_data *data; + + session = container_of(ff->ph, struct perf_session, header); + data = session->data; + + if (WARN_ON(!perf_data__is_dir(data))) + return -1; + + return do_read_u64(ff, &data->dir.version); +} + +#ifdef HAVE_LIBBPF_SUPPORT +static int process_bpf_prog_info(struct feat_fd *ff, void *data __maybe_unused) +{ + struct bpf_prog_info_linear *info_linear; + struct bpf_prog_info_node *info_node; + struct perf_env *env = &ff->ph->env; + u32 count, i; + int err = -1; + + if (ff->ph->needs_swap) { + pr_warning("interpreting bpf_prog_info from systems with endianity is not yet supported\n"); + return 0; + } + + if (do_read_u32(ff, &count)) + return -1; + + down_write(&env->bpf_progs.lock); + + for (i = 0; i < count; ++i) { + u32 info_len, data_len; + + info_linear = NULL; + info_node = NULL; + if (do_read_u32(ff, &info_len)) + goto out; + if (do_read_u32(ff, &data_len)) + goto out; + + if (info_len > sizeof(struct bpf_prog_info)) { + pr_warning("detected invalid bpf_prog_info\n"); + goto out; + } + + info_linear = malloc(sizeof(struct bpf_prog_info_linear) + + data_len); + if (!info_linear) + goto out; + info_linear->info_len = sizeof(struct bpf_prog_info); + info_linear->data_len = data_len; + if (do_read_u64(ff, (u64 *)(&info_linear->arrays))) + goto out; + if (__do_read(ff, &info_linear->info, info_len)) + goto out; + if (info_len < sizeof(struct bpf_prog_info)) + memset(((void *)(&info_linear->info)) + info_len, 0, + sizeof(struct bpf_prog_info) - info_len); + + if (__do_read(ff, info_linear->data, data_len)) + goto out; + + info_node = malloc(sizeof(struct bpf_prog_info_node)); + if (!info_node) + goto out; + + /* after reading from file, translate offset to address */ + bpf_program__bpil_offs_to_addr(info_linear); + info_node->info_linear = info_linear; + perf_env__insert_bpf_prog_info(env, info_node); + } + + return 0; +out: + free(info_linear); + free(info_node); + up_write(&env->bpf_progs.lock); + return err; +} +#else // HAVE_LIBBPF_SUPPORT +static int process_bpf_prog_info(struct feat_fd *ff __maybe_unused, void *data __maybe_unused) +{ + return 0; +} +#endif // HAVE_LIBBPF_SUPPORT + +static int process_bpf_btf(struct feat_fd *ff, void *data __maybe_unused) +{ + struct perf_env *env = &ff->ph->env; + u32 count, i; + + if (ff->ph->needs_swap) { + pr_warning("interpreting btf from systems with endianity is not yet supported\n"); + return 0; + } + + if (do_read_u32(ff, &count)) + return -1; + + down_write(&env->bpf_progs.lock); + + for (i = 0; i < count; ++i) { + struct btf_node *node; + u32 id, data_size; + + if (do_read_u32(ff, &id)) + return -1; + if (do_read_u32(ff, &data_size)) + return -1; + + node = malloc(sizeof(struct btf_node) + data_size); + if (!node) + return -1; + + node->id = id; + node->data_size = data_size; + + if (__do_read(ff, node->data, data_size)) { + free(node); + return -1; + } + + perf_env__insert_btf(env, node); + } + + up_write(&env->bpf_progs.lock); + return 0; +} + struct feature_ops { int (*write)(struct feat_fd *ff, struct perf_evlist *evlist); void (*print)(struct feat_fd *ff, FILE *fp); @@ -2432,7 +2722,10 @@ static const struct feature_ops feat_ops[HEADER_LAST_FEATURE] = { FEAT_OPN(CACHE, cache, true), FEAT_OPR(SAMPLE_TIME, sample_time, false), FEAT_OPR(MEM_TOPOLOGY, mem_topology, true), - FEAT_OPR(CLOCKID, clockid, false) + FEAT_OPR(CLOCKID, clockid, false), + FEAT_OPN(DIR_FORMAT, dir_format, false), + FEAT_OPR(BPF_PROG_INFO, bpf_prog_info, false), + FEAT_OPR(BPF_BTF, bpf_btf, false), }; struct header_print_data { diff --git a/tools/perf/util/header.h b/tools/perf/util/header.h index 0d553ddca0a3..386da49e1bfa 100644 --- a/tools/perf/util/header.h +++ b/tools/perf/util/header.h @@ -39,6 +39,9 @@ enum { HEADER_SAMPLE_TIME, HEADER_MEM_TOPOLOGY, HEADER_CLOCKID, + HEADER_DIR_FORMAT, + HEADER_BPF_PROG_INFO, + HEADER_BPF_BTF, HEADER_LAST_FEATURE, HEADER_FEAT_BITS = 256, }; @@ -48,6 +51,10 @@ enum perf_header_version { PERF_HEADER_VERSION_2, }; +enum perf_dir_version { + PERF_DIR_VERSION = 1, +}; + struct perf_file_section { u64 offset; u64 size; diff --git a/tools/perf/util/hist.c b/tools/perf/util/hist.c index f9eb95bf3938..7ace7a10054d 100644 --- a/tools/perf/util/hist.c +++ b/tools/perf/util/hist.c @@ -19,6 +19,7 @@ #include <math.h> #include <inttypes.h> #include <sys/param.h> +#include <linux/time64.h> static bool hists__filter_entry_by_dso(struct hists *hists, struct hist_entry *he); @@ -192,6 +193,7 @@ void hists__calc_col_len(struct hists *hists, struct hist_entry *h) hists__new_col_len(hists, HISTC_MEM_LVL, 21 + 3); hists__new_col_len(hists, HISTC_LOCAL_WEIGHT, 12); hists__new_col_len(hists, HISTC_GLOBAL_WEIGHT, 12); + hists__new_col_len(hists, HISTC_TIME, 12); if (h->srcline) { len = MAX(strlen(h->srcline), strlen(sort_srcline.se_header)); @@ -246,6 +248,14 @@ static void he_stat__add_cpumode_period(struct he_stat *he_stat, } } +static long hist_time(unsigned long htime) +{ + unsigned long time_quantum = symbol_conf.time_quantum; + if (time_quantum) + return (htime / time_quantum) * time_quantum; + return htime; +} + static void he_stat__add_period(struct he_stat *he_stat, u64 period, u64 weight) { @@ -426,6 +436,13 @@ static int hist_entry__init(struct hist_entry *he, goto err_rawdata; } + if (symbol_conf.res_sample) { + he->res_samples = calloc(sizeof(struct res_sample), + symbol_conf.res_sample); + if (!he->res_samples) + goto err_srcline; + } + INIT_LIST_HEAD(&he->pairs.node); thread__get(he->thread); he->hroot_in = RB_ROOT_CACHED; @@ -436,6 +453,9 @@ static int hist_entry__init(struct hist_entry *he, return 0; +err_srcline: + free(he->srcline); + err_rawdata: free(he->raw_data); @@ -593,6 +613,32 @@ out: return he; } +static unsigned random_max(unsigned high) +{ + unsigned thresh = -high % high; + for (;;) { + unsigned r = random(); + if (r >= thresh) + return r % high; + } +} + +static void hists__res_sample(struct hist_entry *he, struct perf_sample *sample) +{ + struct res_sample *r; + int j; + + if (he->num_res < symbol_conf.res_sample) { + j = he->num_res++; + } else { + j = random_max(symbol_conf.res_sample); + } + r = &he->res_samples[j]; + r->time = sample->time; + r->cpu = sample->cpu; + r->tid = sample->tid; +} + static struct hist_entry* __hists__add_entry(struct hists *hists, struct addr_location *al, @@ -635,10 +681,13 @@ __hists__add_entry(struct hists *hists, .raw_data = sample->raw_data, .raw_size = sample->raw_size, .ops = ops, + .time = hist_time(sample->time), }, *he = hists__findnew_entry(hists, &entry, al, sample_self); if (!hists->has_callchains && he && he->callchain_size != 0) hists->has_callchains = true; + if (he && symbol_conf.res_sample) + hists__res_sample(he, sample); return he; } @@ -1062,8 +1111,10 @@ int hist_entry_iter__add(struct hist_entry_iter *iter, struct addr_location *al, err = sample__resolve_callchain(iter->sample, &callchain_cursor, &iter->parent, iter->evsel, al, max_stack_depth); - if (err) + if (err) { + map__put(alm); return err; + } err = iter->ops->prepare_entry(iter, al); if (err) @@ -1162,6 +1213,7 @@ void hist_entry__delete(struct hist_entry *he) mem_info__zput(he->mem_info); } + zfree(&he->res_samples); zfree(&he->stat_acc); free_srcline(he->srcline); if (he->srcfile && he->srcfile[0]) diff --git a/tools/perf/util/hist.h b/tools/perf/util/hist.h index 4af27fbab24f..76ff6c6d03b8 100644 --- a/tools/perf/util/hist.h +++ b/tools/perf/util/hist.h @@ -31,6 +31,7 @@ enum hist_filter { enum hist_column { HISTC_SYMBOL, + HISTC_TIME, HISTC_DSO, HISTC_THREAD, HISTC_COMM, @@ -432,9 +433,18 @@ struct hist_browser_timer { }; struct annotation_options; +struct res_sample; + +enum rstype { + A_NORMAL, + A_ASM, + A_SOURCE +}; #ifdef HAVE_SLANG_SUPPORT #include "../ui/keysyms.h" +void attr_to_script(char *buf, struct perf_event_attr *attr); + int map_symbol__tui_annotate(struct map_symbol *ms, struct perf_evsel *evsel, struct hist_browser_timer *hbt, struct annotation_options *annotation_opts); @@ -449,7 +459,13 @@ int perf_evlist__tui_browse_hists(struct perf_evlist *evlist, const char *help, struct perf_env *env, bool warn_lost_event, struct annotation_options *annotation_options); -int script_browse(const char *script_opt); + +int script_browse(const char *script_opt, struct perf_evsel *evsel); + +void run_script(char *cmd); +int res_sample_browse(struct res_sample *res_samples, int num_res, + struct perf_evsel *evsel, enum rstype rstype); +void res_sample_init(void); #else static inline int perf_evlist__tui_browse_hists(struct perf_evlist *evlist __maybe_unused, @@ -478,11 +494,22 @@ static inline int hist_entry__tui_annotate(struct hist_entry *he __maybe_unused, return 0; } -static inline int script_browse(const char *script_opt __maybe_unused) +static inline int script_browse(const char *script_opt __maybe_unused, + struct perf_evsel *evsel __maybe_unused) { return 0; } +static inline int res_sample_browse(struct res_sample *res_samples __maybe_unused, + int num_res __maybe_unused, + struct perf_evsel *evsel __maybe_unused, + enum rstype rstype __maybe_unused) +{ + return 0; +} + +static inline void res_sample_init(void) {} + #define K_LEFT -1000 #define K_RIGHT -2000 #define K_SWITCH_INPUT_DATA -3000 diff --git a/tools/perf/util/intel-pt-decoder/intel-pt-decoder.c b/tools/perf/util/intel-pt-decoder/intel-pt-decoder.c index 6e03db142091..872fab163585 100644 --- a/tools/perf/util/intel-pt-decoder/intel-pt-decoder.c +++ b/tools/perf/util/intel-pt-decoder/intel-pt-decoder.c @@ -251,19 +251,15 @@ struct intel_pt_decoder *intel_pt_decoder_new(struct intel_pt_params *params) if (!(decoder->tsc_ctc_ratio_n % decoder->tsc_ctc_ratio_d)) decoder->tsc_ctc_mult = decoder->tsc_ctc_ratio_n / decoder->tsc_ctc_ratio_d; - - /* - * Allow for timestamps appearing to backwards because a TSC - * packet has slipped past a MTC packet, so allow 2 MTC ticks - * or ... - */ - decoder->tsc_slip = multdiv(2 << decoder->mtc_shift, - decoder->tsc_ctc_ratio_n, - decoder->tsc_ctc_ratio_d); } - /* ... or 0x100 paranoia */ - if (decoder->tsc_slip < 0x100) - decoder->tsc_slip = 0x100; + + /* + * A TSC packet can slip past MTC packets so that the timestamp appears + * to go backwards. One estimate is that can be up to about 40 CPU + * cycles, which is certainly less than 0x1000 TSC ticks, but accept + * slippage an order of magnitude more to be on the safe side. + */ + decoder->tsc_slip = 0x10000; intel_pt_log("timestamp: mtc_shift %u\n", decoder->mtc_shift); intel_pt_log("timestamp: tsc_ctc_ratio_n %u\n", decoder->tsc_ctc_ratio_n); diff --git a/tools/perf/util/machine.c b/tools/perf/util/machine.c index 61959aba7e27..3c520baa198c 100644 --- a/tools/perf/util/machine.c +++ b/tools/perf/util/machine.c @@ -1421,6 +1421,20 @@ static void machine__set_kernel_mmap(struct machine *machine, machine->vmlinux_map->end = ~0ULL; } +static void machine__update_kernel_mmap(struct machine *machine, + u64 start, u64 end) +{ + struct map *map = machine__kernel_map(machine); + + map__get(map); + map_groups__remove(&machine->kmaps, map); + + machine__set_kernel_mmap(machine, start, end); + + map_groups__insert(&machine->kmaps, map); + map__put(map); +} + int machine__create_kernel_maps(struct machine *machine) { struct dso *kernel = machine__get_kernel(machine); @@ -1453,17 +1467,11 @@ int machine__create_kernel_maps(struct machine *machine) goto out_put; } - /* we have a real start address now, so re-order the kmaps */ - map = machine__kernel_map(machine); - - map__get(map); - map_groups__remove(&machine->kmaps, map); - - /* assume it's the last in the kmaps */ - machine__set_kernel_mmap(machine, addr, ~0ULL); - - map_groups__insert(&machine->kmaps, map); - map__put(map); + /* + * we have a real start address now, so re-order the kmaps + * assume it's the last in the kmaps + */ + machine__update_kernel_mmap(machine, addr, ~0ULL); } if (machine__create_extra_kernel_maps(machine, kernel)) @@ -1599,7 +1607,7 @@ static int machine__process_kernel_mmap_event(struct machine *machine, if (strstr(kernel->long_name, "vmlinux")) dso__set_short_name(kernel, "[kernel.vmlinux]", false); - machine__set_kernel_mmap(machine, event->mmap.start, + machine__update_kernel_mmap(machine, event->mmap.start, event->mmap.start + event->mmap.len); /* diff --git a/tools/perf/util/map.c b/tools/perf/util/map.c index fbeb0c6efaa6..e32628cd20a7 100644 --- a/tools/perf/util/map.c +++ b/tools/perf/util/map.c @@ -577,10 +577,25 @@ static void __maps__purge(struct maps *maps) } } +static void __maps__purge_names(struct maps *maps) +{ + struct rb_root *root = &maps->names; + struct rb_node *next = rb_first(root); + + while (next) { + struct map *pos = rb_entry(next, struct map, rb_node_name); + + next = rb_next(&pos->rb_node_name); + rb_erase_init(&pos->rb_node_name, root); + map__put(pos); + } +} + static void maps__exit(struct maps *maps) { down_write(&maps->lock); __maps__purge(maps); + __maps__purge_names(maps); up_write(&maps->lock); } @@ -917,6 +932,9 @@ static void __maps__remove(struct maps *maps, struct map *map) { rb_erase_init(&map->rb_node, &maps->entries); map__put(map); + + rb_erase_init(&map->rb_node_name, &maps->names); + map__put(map); } void maps__remove(struct maps *maps, struct map *map) diff --git a/tools/perf/util/ordered-events.c b/tools/perf/util/ordered-events.c index ea523d3b248f..989fed6f43b5 100644 --- a/tools/perf/util/ordered-events.c +++ b/tools/perf/util/ordered-events.c @@ -270,6 +270,8 @@ static int __ordered_events__flush(struct ordered_events *oe, enum oe_flush how, "FINAL", "ROUND", "HALF ", + "TOP ", + "TIME ", }; int err; bool show_progress = false; diff --git a/tools/perf/util/parse-events.c b/tools/perf/util/parse-events.c index 4dcc01b2532c..5ef4939408f2 100644 --- a/tools/perf/util/parse-events.c +++ b/tools/perf/util/parse-events.c @@ -2271,6 +2271,7 @@ static bool is_event_supported(u8 type, unsigned config) perf_evsel__delete(evsel); } + thread_map__put(tmap); return ret; } @@ -2341,6 +2342,7 @@ void print_sdt_events(const char *subsys_glob, const char *event_glob, printf(" %-50s [%s]\n", buf, "SDT event"); free(buf); } + free(path); } else printf(" %-50s [%s]\n", nd->s, "SDT event"); if (nd2) { diff --git a/tools/perf/util/pmu.c b/tools/perf/util/pmu.c index 6199a3174ab9..e0429f4ef335 100644 --- a/tools/perf/util/pmu.c +++ b/tools/perf/util/pmu.c @@ -732,10 +732,20 @@ static void pmu_add_cpu_aliases(struct list_head *head, struct perf_pmu *pmu) if (!is_arm_pmu_core(name)) { pname = pe->pmu ? pe->pmu : "cpu"; + + /* + * uncore alias may be from different PMU + * with common prefix + */ + if (pmu_is_uncore(name) && + !strncmp(pname, name, strlen(pname))) + goto new_alias; + if (strcmp(pname, name)) continue; } +new_alias: /* need type casts to override 'const' */ __perf_pmu__new_alias(head, NULL, (char *)pe->name, (char *)pe->desc, (char *)pe->event, diff --git a/tools/perf/util/probe-event.c b/tools/perf/util/probe-event.c index a1b8d9649ca7..198e09ff611e 100644 --- a/tools/perf/util/probe-event.c +++ b/tools/perf/util/probe-event.c @@ -160,8 +160,10 @@ static struct map *kernel_get_module_map(const char *module) if (module && strchr(module, '/')) return dso__new_map(module); - if (!module) - module = "kernel"; + if (!module) { + pos = machine__kernel_map(host_machine); + return map__get(pos); + } for (pos = maps__first(maps); pos; pos = map__next(pos)) { /* short_name is "[module]" */ diff --git a/tools/perf/util/session.c b/tools/perf/util/session.c index db643f3c2b95..b17f1c9bc965 100644 --- a/tools/perf/util/session.c +++ b/tools/perf/util/session.c @@ -132,6 +132,7 @@ struct perf_session *perf_session__new(struct perf_data *data, ordered_events__init(&session->ordered_events, ordered_events__deliver_event, NULL); + perf_env__init(&session->header.env); if (data) { if (perf_data__open(data)) goto out_delete; @@ -152,6 +153,10 @@ struct perf_session *perf_session__new(struct perf_data *data, } perf_evlist__init_trace_event_sample_raw(session->evlist); + + /* Open the directory data. */ + if (data->is_dir && perf_data__open_dir(data)) + goto out_delete; } } else { session->machines.host.env = &perf_env; @@ -1843,10 +1848,17 @@ fetch_mmaped_event(struct perf_session *session, #define NUM_MMAPS 128 #endif +struct reader; + +typedef s64 (*reader_cb_t)(struct perf_session *session, + union perf_event *event, + u64 file_offset); + struct reader { - int fd; - u64 data_size; - u64 data_offset; + int fd; + u64 data_size; + u64 data_offset; + reader_cb_t process; }; static int @@ -1917,7 +1929,7 @@ more: size = event->header.size; if (size < sizeof(struct perf_event_header) || - (skip = perf_session__process_event(session, event, file_pos)) < 0) { + (skip = rd->process(session, event, file_pos)) < 0) { pr_err("%#" PRIx64 " [%#x]: failed to process type: %d\n", file_offset + head, event->header.size, event->header.type); @@ -1943,12 +1955,20 @@ out: return err; } +static s64 process_simple(struct perf_session *session, + union perf_event *event, + u64 file_offset) +{ + return perf_session__process_event(session, event, file_offset); +} + static int __perf_session__process_events(struct perf_session *session) { struct reader rd = { .fd = perf_data__fd(session->data), .data_size = session->header.data_size, .data_offset = session->header.data_offset, + .process = process_simple, }; struct ordered_events *oe = &session->ordered_events; struct perf_tool *tool = session->tool; diff --git a/tools/perf/util/sort.c b/tools/perf/util/sort.c index d2299e912e59..5d2518e89fc4 100644 --- a/tools/perf/util/sort.c +++ b/tools/perf/util/sort.c @@ -3,6 +3,7 @@ #include <inttypes.h> #include <regex.h> #include <linux/mman.h> +#include <linux/time64.h> #include "sort.h" #include "hist.h" #include "comm.h" @@ -12,9 +13,11 @@ #include "evsel.h" #include "evlist.h" #include "strlist.h" +#include "strbuf.h" #include <traceevent/event-parse.h> #include "mem-events.h" #include "annotate.h" +#include "time-utils.h" #include <linux/kernel.h> regex_t parent_regex; @@ -654,6 +657,42 @@ struct sort_entry sort_socket = { .se_width_idx = HISTC_SOCKET, }; +/* --sort time */ + +static int64_t +sort__time_cmp(struct hist_entry *left, struct hist_entry *right) +{ + return right->time - left->time; +} + +static int hist_entry__time_snprintf(struct hist_entry *he, char *bf, + size_t size, unsigned int width) +{ + unsigned long secs; + unsigned long long nsecs; + char he_time[32]; + + nsecs = he->time; + secs = nsecs / NSEC_PER_SEC; + nsecs -= secs * NSEC_PER_SEC; + + if (symbol_conf.nanosecs) + snprintf(he_time, sizeof he_time, "%5lu.%09llu: ", + secs, nsecs); + else + timestamp__scnprintf_usec(he->time, he_time, + sizeof(he_time)); + + return repsep_snprintf(bf, size, "%-.*s", width, he_time); +} + +struct sort_entry sort_time = { + .se_header = "Time", + .se_cmp = sort__time_cmp, + .se_snprintf = hist_entry__time_snprintf, + .se_width_idx = HISTC_TIME, +}; + /* --sort trace */ static char *get_trace_output(struct hist_entry *he) @@ -1634,6 +1673,7 @@ static struct sort_dimension common_sort_dimensions[] = { DIM(SORT_DSO_SIZE, "dso_size", sort_dso_size), DIM(SORT_CGROUP_ID, "cgroup_id", sort_cgroup_id), DIM(SORT_SYM_IPC_NULL, "ipc_null", sort_sym_ipc_null), + DIM(SORT_TIME, "time", sort_time), }; #undef DIM @@ -3068,3 +3108,54 @@ void reset_output_field(void) reset_dimensions(); perf_hpp__reset_output_field(&perf_hpp_list); } + +#define INDENT (3*8 + 1) + +static void add_key(struct strbuf *sb, const char *str, int *llen) +{ + if (*llen >= 75) { + strbuf_addstr(sb, "\n\t\t\t "); + *llen = INDENT; + } + strbuf_addf(sb, " %s", str); + *llen += strlen(str) + 1; +} + +static void add_sort_string(struct strbuf *sb, struct sort_dimension *s, int n, + int *llen) +{ + int i; + + for (i = 0; i < n; i++) + add_key(sb, s[i].name, llen); +} + +static void add_hpp_sort_string(struct strbuf *sb, struct hpp_dimension *s, int n, + int *llen) +{ + int i; + + for (i = 0; i < n; i++) + add_key(sb, s[i].name, llen); +} + +const char *sort_help(const char *prefix) +{ + struct strbuf sb; + char *s; + int len = strlen(prefix) + INDENT; + + strbuf_init(&sb, 300); + strbuf_addstr(&sb, prefix); + add_hpp_sort_string(&sb, hpp_sort_dimensions, + ARRAY_SIZE(hpp_sort_dimensions), &len); + add_sort_string(&sb, common_sort_dimensions, + ARRAY_SIZE(common_sort_dimensions), &len); + add_sort_string(&sb, bstack_sort_dimensions, + ARRAY_SIZE(bstack_sort_dimensions), &len); + add_sort_string(&sb, memory_sort_dimensions, + ARRAY_SIZE(memory_sort_dimensions), &len); + s = strbuf_detach(&sb, NULL); + strbuf_release(&sb); + return s; +} diff --git a/tools/perf/util/sort.h b/tools/perf/util/sort.h index 2fbee0b1011c..ce376a73f964 100644 --- a/tools/perf/util/sort.h +++ b/tools/perf/util/sort.h @@ -47,6 +47,12 @@ extern struct sort_entry sort_srcline; extern enum sort_type sort__first_dimension; extern const char default_mem_sort_order[]; +struct res_sample { + u64 time; + int cpu; + int tid; +}; + struct he_stat { u64 period; u64 period_sys; @@ -135,10 +141,13 @@ struct hist_entry { char *srcfile; struct symbol *parent; struct branch_info *branch_info; + long time; struct hists *hists; struct mem_info *mem_info; void *raw_data; u32 raw_size; + int num_res; + struct res_sample *res_samples; void *trace_output; struct perf_hpp_list *hpp_list; struct hist_entry *parent_he; @@ -231,6 +240,7 @@ enum sort_type { SORT_DSO_SIZE, SORT_CGROUP_ID, SORT_SYM_IPC_NULL, + SORT_TIME, /* branch stack specific sort keys */ __SORT_BRANCH_STACK, @@ -286,6 +296,8 @@ void reset_output_field(void); void sort__setup_elide(FILE *fp); void perf_hpp__set_elide(int idx, bool elide); +const char *sort_help(const char *prefix); + int report_parse_ignore_callees_opt(const struct option *opt, const char *arg, int unset); bool is_strict_order(const char *order); diff --git a/tools/perf/util/stat.c b/tools/perf/util/stat.c index 4d40515307b8..2856cc9d5a31 100644 --- a/tools/perf/util/stat.c +++ b/tools/perf/util/stat.c @@ -291,10 +291,8 @@ process_counter_values(struct perf_stat_config *config, struct perf_evsel *evsel break; case AGGR_GLOBAL: aggr->val += count->val; - if (config->scale) { - aggr->ena += count->ena; - aggr->run += count->run; - } + aggr->ena += count->ena; + aggr->run += count->run; case AGGR_UNSET: default: break; @@ -442,10 +440,8 @@ int create_perf_stat_counter(struct perf_evsel *evsel, struct perf_event_attr *attr = &evsel->attr; struct perf_evsel *leader = evsel->leader; - if (config->scale) { - attr->read_format = PERF_FORMAT_TOTAL_TIME_ENABLED | - PERF_FORMAT_TOTAL_TIME_RUNNING; - } + attr->read_format = PERF_FORMAT_TOTAL_TIME_ENABLED | + PERF_FORMAT_TOTAL_TIME_RUNNING; /* * The event is part of non trivial group, let's enable diff --git a/tools/perf/util/symbol.c b/tools/perf/util/symbol.c index 758bf5f74e6e..5cbad55cd99d 100644 --- a/tools/perf/util/symbol.c +++ b/tools/perf/util/symbol.c @@ -6,6 +6,7 @@ #include <string.h> #include <linux/kernel.h> #include <linux/mman.h> +#include <linux/time64.h> #include <sys/types.h> #include <sys/stat.h> #include <sys/param.h> @@ -39,15 +40,18 @@ int vmlinux_path__nr_entries; char **vmlinux_path; struct symbol_conf symbol_conf = { + .nanosecs = false, .use_modules = true, .try_vmlinux_path = true, .demangle = true, .demangle_kernel = false, .cumulate_callchain = true, + .time_quantum = 100 * NSEC_PER_MSEC, /* 100ms */ .show_hist_headers = true, .symfs = "", .event_group = true, .inline_name = true, + .res_sample = 0, }; static enum dso_binary_type binary_type_symtab[] = { @@ -1451,6 +1455,7 @@ static bool dso__is_compatible_symtab_type(struct dso *dso, bool kmod, case DSO_BINARY_TYPE__BUILD_ID_CACHE_DEBUGINFO: return true; + case DSO_BINARY_TYPE__BPF_PROG_INFO: case DSO_BINARY_TYPE__NOT_FOUND: default: return false; diff --git a/tools/perf/util/symbol_conf.h b/tools/perf/util/symbol_conf.h index fffea68c1203..6c55fa6fccec 100644 --- a/tools/perf/util/symbol_conf.h +++ b/tools/perf/util/symbol_conf.h @@ -8,6 +8,7 @@ struct strlist; struct intlist; struct symbol_conf { + bool nanosecs; unsigned short priv_size; bool try_vmlinux_path, init_annotation, @@ -55,6 +56,7 @@ struct symbol_conf { *sym_list_str, *col_width_list_str, *bt_stop_list_str; + unsigned long time_quantum; struct strlist *dso_list, *comm_list, *sym_list, @@ -66,6 +68,7 @@ struct symbol_conf { struct intlist *pid_list, *tid_list; const char *symfs; + int res_sample; }; extern struct symbol_conf symbol_conf; diff --git a/tools/perf/util/time-utils.c b/tools/perf/util/time-utils.c index 0f53baec660e..20663a460df3 100644 --- a/tools/perf/util/time-utils.c +++ b/tools/perf/util/time-utils.c @@ -453,6 +453,14 @@ int timestamp__scnprintf_usec(u64 timestamp, char *buf, size_t sz) return scnprintf(buf, sz, "%"PRIu64".%06"PRIu64, sec, usec); } +int timestamp__scnprintf_nsec(u64 timestamp, char *buf, size_t sz) +{ + u64 sec = timestamp / NSEC_PER_SEC, + nsec = timestamp % NSEC_PER_SEC; + + return scnprintf(buf, sz, "%" PRIu64 ".%09" PRIu64, sec, nsec); +} + int fetch_current_timestamp(char *buf, size_t sz) { struct timeval tv; diff --git a/tools/perf/util/time-utils.h b/tools/perf/util/time-utils.h index b923de44e36f..72a42ea1d513 100644 --- a/tools/perf/util/time-utils.h +++ b/tools/perf/util/time-utils.h @@ -30,6 +30,7 @@ int perf_time__parse_for_ranges(const char *str, struct perf_session *session, int *range_size, int *range_num); int timestamp__scnprintf_usec(u64 timestamp, char *buf, size_t sz); +int timestamp__scnprintf_nsec(u64 timestamp, char *buf, size_t sz); int fetch_current_timestamp(char *buf, size_t sz); diff --git a/tools/power/x86/turbostat/turbostat.c b/tools/power/x86/turbostat/turbostat.c index 9327c0ddc3a5..c3fad065c89c 100644 --- a/tools/power/x86/turbostat/turbostat.c +++ b/tools/power/x86/turbostat/turbostat.c @@ -5077,6 +5077,9 @@ int fork_it(char **argv) signal(SIGQUIT, SIG_IGN); if (waitpid(child_pid, &status, 0) == -1) err(status, "waitpid"); + + if (WIFEXITED(status)) + status = WEXITSTATUS(status); } /* * n.b. fork_it() does not check for errors from for_all_cpus() diff --git a/tools/testing/selftests/bpf/bpf_helpers.h b/tools/testing/selftests/bpf/bpf_helpers.h index c9433a496d54..c81fc350f7ad 100644 --- a/tools/testing/selftests/bpf/bpf_helpers.h +++ b/tools/testing/selftests/bpf/bpf_helpers.h @@ -180,6 +180,8 @@ static struct bpf_sock *(*bpf_sk_fullsock)(struct bpf_sock *sk) = (void *) BPF_FUNC_sk_fullsock; static struct bpf_tcp_sock *(*bpf_tcp_sock)(struct bpf_sock *sk) = (void *) BPF_FUNC_tcp_sock; +static struct bpf_sock *(*bpf_get_listener_sock)(struct bpf_sock *sk) = + (void *) BPF_FUNC_get_listener_sock; static int (*bpf_skb_ecn_set_ce)(void *ctx) = (void *) BPF_FUNC_skb_ecn_set_ce; diff --git a/tools/testing/selftests/bpf/prog_tests/map_lock.c b/tools/testing/selftests/bpf/prog_tests/map_lock.c index 90f8a206340a..ee99368c595c 100644 --- a/tools/testing/selftests/bpf/prog_tests/map_lock.c +++ b/tools/testing/selftests/bpf/prog_tests/map_lock.c @@ -37,7 +37,7 @@ void test_map_lock(void) const char *file = "./test_map_lock.o"; int prog_fd, map_fd[2], vars[17] = {}; pthread_t thread_id[6]; - struct bpf_object *obj; + struct bpf_object *obj = NULL; int err = 0, key = 0, i; void *ret; diff --git a/tools/testing/selftests/bpf/prog_tests/spinlock.c b/tools/testing/selftests/bpf/prog_tests/spinlock.c index 9a573a9675d7..114ebe6a438e 100644 --- a/tools/testing/selftests/bpf/prog_tests/spinlock.c +++ b/tools/testing/selftests/bpf/prog_tests/spinlock.c @@ -5,7 +5,7 @@ void test_spinlock(void) { const char *file = "./test_spin_lock.o"; pthread_t thread_id[4]; - struct bpf_object *obj; + struct bpf_object *obj = NULL; int prog_fd; int err = 0, i; void *ret; diff --git a/tools/testing/selftests/bpf/progs/test_sock_fields_kern.c b/tools/testing/selftests/bpf/progs/test_sock_fields_kern.c index de1a43e8f610..37328f148538 100644 --- a/tools/testing/selftests/bpf/progs/test_sock_fields_kern.c +++ b/tools/testing/selftests/bpf/progs/test_sock_fields_kern.c @@ -8,38 +8,51 @@ #include "bpf_helpers.h" #include "bpf_endian.h" -enum bpf_array_idx { - SRV_IDX, - CLI_IDX, - __NR_BPF_ARRAY_IDX, +enum bpf_addr_array_idx { + ADDR_SRV_IDX, + ADDR_CLI_IDX, + __NR_BPF_ADDR_ARRAY_IDX, +}; + +enum bpf_result_array_idx { + EGRESS_SRV_IDX, + EGRESS_CLI_IDX, + INGRESS_LISTEN_IDX, + __NR_BPF_RESULT_ARRAY_IDX, +}; + +enum bpf_linum_array_idx { + EGRESS_LINUM_IDX, + INGRESS_LINUM_IDX, + __NR_BPF_LINUM_ARRAY_IDX, }; struct bpf_map_def SEC("maps") addr_map = { .type = BPF_MAP_TYPE_ARRAY, .key_size = sizeof(__u32), .value_size = sizeof(struct sockaddr_in6), - .max_entries = __NR_BPF_ARRAY_IDX, + .max_entries = __NR_BPF_ADDR_ARRAY_IDX, }; struct bpf_map_def SEC("maps") sock_result_map = { .type = BPF_MAP_TYPE_ARRAY, .key_size = sizeof(__u32), .value_size = sizeof(struct bpf_sock), - .max_entries = __NR_BPF_ARRAY_IDX, + .max_entries = __NR_BPF_RESULT_ARRAY_IDX, }; struct bpf_map_def SEC("maps") tcp_sock_result_map = { .type = BPF_MAP_TYPE_ARRAY, .key_size = sizeof(__u32), .value_size = sizeof(struct bpf_tcp_sock), - .max_entries = __NR_BPF_ARRAY_IDX, + .max_entries = __NR_BPF_RESULT_ARRAY_IDX, }; struct bpf_map_def SEC("maps") linum_map = { .type = BPF_MAP_TYPE_ARRAY, .key_size = sizeof(__u32), .value_size = sizeof(__u32), - .max_entries = 1, + .max_entries = __NR_BPF_LINUM_ARRAY_IDX, }; static bool is_loopback6(__u32 *a6) @@ -100,18 +113,20 @@ static void tpcpy(struct bpf_tcp_sock *dst, #define RETURN { \ linum = __LINE__; \ - bpf_map_update_elem(&linum_map, &idx0, &linum, 0); \ + bpf_map_update_elem(&linum_map, &linum_idx, &linum, 0); \ return 1; \ } SEC("cgroup_skb/egress") -int read_sock_fields(struct __sk_buff *skb) +int egress_read_sock_fields(struct __sk_buff *skb) { - __u32 srv_idx = SRV_IDX, cli_idx = CLI_IDX, idx; + __u32 srv_idx = ADDR_SRV_IDX, cli_idx = ADDR_CLI_IDX, result_idx; struct sockaddr_in6 *srv_sa6, *cli_sa6; struct bpf_tcp_sock *tp, *tp_ret; struct bpf_sock *sk, *sk_ret; - __u32 linum, idx0 = 0; + __u32 linum, linum_idx; + + linum_idx = EGRESS_LINUM_IDX; sk = skb->sk; if (!sk || sk->state == 10) @@ -132,14 +147,55 @@ int read_sock_fields(struct __sk_buff *skb) RETURN; if (sk->src_port == bpf_ntohs(srv_sa6->sin6_port)) - idx = srv_idx; + result_idx = EGRESS_SRV_IDX; else if (sk->src_port == bpf_ntohs(cli_sa6->sin6_port)) - idx = cli_idx; + result_idx = EGRESS_CLI_IDX; else RETURN; - sk_ret = bpf_map_lookup_elem(&sock_result_map, &idx); - tp_ret = bpf_map_lookup_elem(&tcp_sock_result_map, &idx); + sk_ret = bpf_map_lookup_elem(&sock_result_map, &result_idx); + tp_ret = bpf_map_lookup_elem(&tcp_sock_result_map, &result_idx); + if (!sk_ret || !tp_ret) + RETURN; + + skcpy(sk_ret, sk); + tpcpy(tp_ret, tp); + + RETURN; +} + +SEC("cgroup_skb/ingress") +int ingress_read_sock_fields(struct __sk_buff *skb) +{ + __u32 srv_idx = ADDR_SRV_IDX, result_idx = INGRESS_LISTEN_IDX; + struct bpf_tcp_sock *tp, *tp_ret; + struct bpf_sock *sk, *sk_ret; + struct sockaddr_in6 *srv_sa6; + __u32 linum, linum_idx; + + linum_idx = INGRESS_LINUM_IDX; + + sk = skb->sk; + if (!sk || sk->family != AF_INET6 || !is_loopback6(sk->src_ip6)) + RETURN; + + srv_sa6 = bpf_map_lookup_elem(&addr_map, &srv_idx); + if (!srv_sa6 || sk->src_port != bpf_ntohs(srv_sa6->sin6_port)) + RETURN; + + if (sk->state != 10 && sk->state != 12) + RETURN; + + sk = bpf_get_listener_sock(sk); + if (!sk) + RETURN; + + tp = bpf_tcp_sock(sk); + if (!tp) + RETURN; + + sk_ret = bpf_map_lookup_elem(&sock_result_map, &result_idx); + tp_ret = bpf_map_lookup_elem(&tcp_sock_result_map, &result_idx); if (!sk_ret || !tp_ret) RETURN; diff --git a/tools/testing/selftests/bpf/test_btf.c b/tools/testing/selftests/bpf/test_btf.c index 38797aa627a7..23e3b314ca60 100644 --- a/tools/testing/selftests/bpf/test_btf.c +++ b/tools/testing/selftests/bpf/test_btf.c @@ -5874,6 +5874,50 @@ const struct btf_dedup_test dedup_tests[] = { .dont_resolve_fwds = false, }, }, +{ + .descr = "dedup: enum fwd resolution", + .input = { + .raw_types = { + /* [1] fwd enum 'e1' before full enum */ + BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM, 0, 0), 4), + /* [2] full enum 'e1' after fwd */ + BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM, 0, 1), 4), + BTF_ENUM_ENC(NAME_NTH(2), 123), + /* [3] full enum 'e2' before fwd */ + BTF_TYPE_ENC(NAME_NTH(3), BTF_INFO_ENC(BTF_KIND_ENUM, 0, 1), 4), + BTF_ENUM_ENC(NAME_NTH(4), 456), + /* [4] fwd enum 'e2' after full enum */ + BTF_TYPE_ENC(NAME_NTH(3), BTF_INFO_ENC(BTF_KIND_ENUM, 0, 0), 4), + /* [5] incompatible fwd enum with different size */ + BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM, 0, 0), 1), + /* [6] incompatible full enum with different value */ + BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM, 0, 1), 4), + BTF_ENUM_ENC(NAME_NTH(2), 321), + BTF_END_RAW, + }, + BTF_STR_SEC("\0e1\0e1_val\0e2\0e2_val"), + }, + .expect = { + .raw_types = { + /* [1] full enum 'e1' */ + BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM, 0, 1), 4), + BTF_ENUM_ENC(NAME_NTH(2), 123), + /* [2] full enum 'e2' */ + BTF_TYPE_ENC(NAME_NTH(3), BTF_INFO_ENC(BTF_KIND_ENUM, 0, 1), 4), + BTF_ENUM_ENC(NAME_NTH(4), 456), + /* [3] incompatible fwd enum with different size */ + BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM, 0, 0), 1), + /* [4] incompatible full enum with different value */ + BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM, 0, 1), 4), + BTF_ENUM_ENC(NAME_NTH(2), 321), + BTF_END_RAW, + }, + BTF_STR_SEC("\0e1\0e1_val\0e2\0e2_val"), + }, + .opts = { + .dont_resolve_fwds = false, + }, +}, }; diff --git a/tools/testing/selftests/bpf/test_sock_fields.c b/tools/testing/selftests/bpf/test_sock_fields.c index bc8943938bf5..dcae7f664dce 100644 --- a/tools/testing/selftests/bpf/test_sock_fields.c +++ b/tools/testing/selftests/bpf/test_sock_fields.c @@ -16,10 +16,23 @@ #include "cgroup_helpers.h" #include "bpf_rlimit.h" -enum bpf_array_idx { - SRV_IDX, - CLI_IDX, - __NR_BPF_ARRAY_IDX, +enum bpf_addr_array_idx { + ADDR_SRV_IDX, + ADDR_CLI_IDX, + __NR_BPF_ADDR_ARRAY_IDX, +}; + +enum bpf_result_array_idx { + EGRESS_SRV_IDX, + EGRESS_CLI_IDX, + INGRESS_LISTEN_IDX, + __NR_BPF_RESULT_ARRAY_IDX, +}; + +enum bpf_linum_array_idx { + EGRESS_LINUM_IDX, + INGRESS_LINUM_IDX, + __NR_BPF_LINUM_ARRAY_IDX, }; #define CHECK(condition, tag, format...) ({ \ @@ -41,8 +54,16 @@ static int linum_map_fd; static int addr_map_fd; static int tp_map_fd; static int sk_map_fd; -static __u32 srv_idx = SRV_IDX; -static __u32 cli_idx = CLI_IDX; + +static __u32 addr_srv_idx = ADDR_SRV_IDX; +static __u32 addr_cli_idx = ADDR_CLI_IDX; + +static __u32 egress_srv_idx = EGRESS_SRV_IDX; +static __u32 egress_cli_idx = EGRESS_CLI_IDX; +static __u32 ingress_listen_idx = INGRESS_LISTEN_IDX; + +static __u32 egress_linum_idx = EGRESS_LINUM_IDX; +static __u32 ingress_linum_idx = INGRESS_LINUM_IDX; static void init_loopback6(struct sockaddr_in6 *sa6) { @@ -93,29 +114,46 @@ static void print_tp(const struct bpf_tcp_sock *tp) static void check_result(void) { - struct bpf_tcp_sock srv_tp, cli_tp; - struct bpf_sock srv_sk, cli_sk; - __u32 linum, idx0 = 0; + struct bpf_tcp_sock srv_tp, cli_tp, listen_tp; + struct bpf_sock srv_sk, cli_sk, listen_sk; + __u32 ingress_linum, egress_linum; int err; - err = bpf_map_lookup_elem(linum_map_fd, &idx0, &linum); + err = bpf_map_lookup_elem(linum_map_fd, &egress_linum_idx, + &egress_linum); CHECK(err == -1, "bpf_map_lookup_elem(linum_map_fd)", "err:%d errno:%d", err, errno); - err = bpf_map_lookup_elem(sk_map_fd, &srv_idx, &srv_sk); - CHECK(err == -1, "bpf_map_lookup_elem(sk_map_fd, &srv_idx)", + err = bpf_map_lookup_elem(linum_map_fd, &ingress_linum_idx, + &ingress_linum); + CHECK(err == -1, "bpf_map_lookup_elem(linum_map_fd)", + "err:%d errno:%d", err, errno); + + err = bpf_map_lookup_elem(sk_map_fd, &egress_srv_idx, &srv_sk); + CHECK(err == -1, "bpf_map_lookup_elem(sk_map_fd, &egress_srv_idx)", + "err:%d errno:%d", err, errno); + err = bpf_map_lookup_elem(tp_map_fd, &egress_srv_idx, &srv_tp); + CHECK(err == -1, "bpf_map_lookup_elem(tp_map_fd, &egress_srv_idx)", + "err:%d errno:%d", err, errno); + + err = bpf_map_lookup_elem(sk_map_fd, &egress_cli_idx, &cli_sk); + CHECK(err == -1, "bpf_map_lookup_elem(sk_map_fd, &egress_cli_idx)", "err:%d errno:%d", err, errno); - err = bpf_map_lookup_elem(tp_map_fd, &srv_idx, &srv_tp); - CHECK(err == -1, "bpf_map_lookup_elem(tp_map_fd, &srv_idx)", + err = bpf_map_lookup_elem(tp_map_fd, &egress_cli_idx, &cli_tp); + CHECK(err == -1, "bpf_map_lookup_elem(tp_map_fd, &egress_cli_idx)", "err:%d errno:%d", err, errno); - err = bpf_map_lookup_elem(sk_map_fd, &cli_idx, &cli_sk); - CHECK(err == -1, "bpf_map_lookup_elem(sk_map_fd, &cli_idx)", + err = bpf_map_lookup_elem(sk_map_fd, &ingress_listen_idx, &listen_sk); + CHECK(err == -1, "bpf_map_lookup_elem(sk_map_fd, &ingress_listen_idx)", "err:%d errno:%d", err, errno); - err = bpf_map_lookup_elem(tp_map_fd, &cli_idx, &cli_tp); - CHECK(err == -1, "bpf_map_lookup_elem(tp_map_fd, &cli_idx)", + err = bpf_map_lookup_elem(tp_map_fd, &ingress_listen_idx, &listen_tp); + CHECK(err == -1, "bpf_map_lookup_elem(tp_map_fd, &ingress_listen_idx)", "err:%d errno:%d", err, errno); + printf("listen_sk: "); + print_sk(&listen_sk); + printf("\n"); + printf("srv_sk: "); print_sk(&srv_sk); printf("\n"); @@ -124,6 +162,10 @@ static void check_result(void) print_sk(&cli_sk); printf("\n"); + printf("listen_tp: "); + print_tp(&listen_tp); + printf("\n"); + printf("srv_tp: "); print_tp(&srv_tp); printf("\n"); @@ -132,6 +174,19 @@ static void check_result(void) print_tp(&cli_tp); printf("\n"); + CHECK(listen_sk.state != 10 || + listen_sk.family != AF_INET6 || + listen_sk.protocol != IPPROTO_TCP || + memcmp(listen_sk.src_ip6, &in6addr_loopback, + sizeof(listen_sk.src_ip6)) || + listen_sk.dst_ip6[0] || listen_sk.dst_ip6[1] || + listen_sk.dst_ip6[2] || listen_sk.dst_ip6[3] || + listen_sk.src_port != ntohs(srv_sa6.sin6_port) || + listen_sk.dst_port, + "Unexpected listen_sk", + "Check listen_sk output. ingress_linum:%u", + ingress_linum); + CHECK(srv_sk.state == 10 || !srv_sk.state || srv_sk.family != AF_INET6 || @@ -142,7 +197,8 @@ static void check_result(void) sizeof(srv_sk.dst_ip6)) || srv_sk.src_port != ntohs(srv_sa6.sin6_port) || srv_sk.dst_port != cli_sa6.sin6_port, - "Unexpected srv_sk", "Check srv_sk output. linum:%u", linum); + "Unexpected srv_sk", "Check srv_sk output. egress_linum:%u", + egress_linum); CHECK(cli_sk.state == 10 || !cli_sk.state || @@ -154,21 +210,31 @@ static void check_result(void) sizeof(cli_sk.dst_ip6)) || cli_sk.src_port != ntohs(cli_sa6.sin6_port) || cli_sk.dst_port != srv_sa6.sin6_port, - "Unexpected cli_sk", "Check cli_sk output. linum:%u", linum); + "Unexpected cli_sk", "Check cli_sk output. egress_linum:%u", + egress_linum); + + CHECK(listen_tp.data_segs_out || + listen_tp.data_segs_in || + listen_tp.total_retrans || + listen_tp.bytes_acked, + "Unexpected listen_tp", "Check listen_tp output. ingress_linum:%u", + ingress_linum); CHECK(srv_tp.data_segs_out != 1 || srv_tp.data_segs_in || srv_tp.snd_cwnd != 10 || srv_tp.total_retrans || srv_tp.bytes_acked != DATA_LEN, - "Unexpected srv_tp", "Check srv_tp output. linum:%u", linum); + "Unexpected srv_tp", "Check srv_tp output. egress_linum:%u", + egress_linum); CHECK(cli_tp.data_segs_out || cli_tp.data_segs_in != 1 || cli_tp.snd_cwnd != 10 || cli_tp.total_retrans || cli_tp.bytes_received != DATA_LEN, - "Unexpected cli_tp", "Check cli_tp output. linum:%u", linum); + "Unexpected cli_tp", "Check cli_tp output. egress_linum:%u", + egress_linum); } static void test(void) @@ -211,10 +277,10 @@ static void test(void) err, errno); /* Update addr_map with srv_sa6 and cli_sa6 */ - err = bpf_map_update_elem(addr_map_fd, &srv_idx, &srv_sa6, 0); + err = bpf_map_update_elem(addr_map_fd, &addr_srv_idx, &srv_sa6, 0); CHECK(err, "map_update", "err:%d errno:%d", err, errno); - err = bpf_map_update_elem(addr_map_fd, &cli_idx, &cli_sa6, 0); + err = bpf_map_update_elem(addr_map_fd, &addr_cli_idx, &cli_sa6, 0); CHECK(err, "map_update", "err:%d errno:%d", err, errno); /* Connect from cli_sa6 to srv_sa6 */ @@ -273,9 +339,9 @@ int main(int argc, char **argv) struct bpf_prog_load_attr attr = { .file = "test_sock_fields_kern.o", .prog_type = BPF_PROG_TYPE_CGROUP_SKB, - .expected_attach_type = BPF_CGROUP_INET_EGRESS, }; - int cgroup_fd, prog_fd, err; + int cgroup_fd, egress_fd, ingress_fd, err; + struct bpf_program *ingress_prog; struct bpf_object *obj; struct bpf_map *map; @@ -293,12 +359,24 @@ int main(int argc, char **argv) err = join_cgroup(TEST_CGROUP); CHECK(err, "join_cgroup", "err:%d errno:%d", err, errno); - err = bpf_prog_load_xattr(&attr, &obj, &prog_fd); + err = bpf_prog_load_xattr(&attr, &obj, &egress_fd); CHECK(err, "bpf_prog_load_xattr()", "err:%d", err); - err = bpf_prog_attach(prog_fd, cgroup_fd, BPF_CGROUP_INET_EGRESS, 0); + ingress_prog = bpf_object__find_program_by_title(obj, + "cgroup_skb/ingress"); + CHECK(!ingress_prog, + "bpf_object__find_program_by_title(cgroup_skb/ingress)", + "not found"); + ingress_fd = bpf_program__fd(ingress_prog); + + err = bpf_prog_attach(egress_fd, cgroup_fd, BPF_CGROUP_INET_EGRESS, 0); CHECK(err == -1, "bpf_prog_attach(CPF_CGROUP_INET_EGRESS)", "err:%d errno%d", err, errno); + + err = bpf_prog_attach(ingress_fd, cgroup_fd, + BPF_CGROUP_INET_INGRESS, 0); + CHECK(err == -1, "bpf_prog_attach(CPF_CGROUP_INET_INGRESS)", + "err:%d errno%d", err, errno); close(cgroup_fd); map = bpf_object__find_map_by_name(obj, "addr_map"); diff --git a/tools/testing/selftests/bpf/verifier/calls.c b/tools/testing/selftests/bpf/verifier/calls.c index 4004891afa9c..f2ccae39ee66 100644 --- a/tools/testing/selftests/bpf/verifier/calls.c +++ b/tools/testing/selftests/bpf/verifier/calls.c @@ -1940,3 +1940,28 @@ .errstr = "!read_ok", .result = REJECT, }, +{ + "calls: cross frame pruning - liveness propagation", + .insns = { + BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_prandom_u32), + BPF_MOV64_IMM(BPF_REG_8, 0), + BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1), + BPF_MOV64_IMM(BPF_REG_8, 1), + BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_prandom_u32), + BPF_MOV64_IMM(BPF_REG_9, 0), + BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1), + BPF_MOV64_IMM(BPF_REG_9, 1), + BPF_MOV64_REG(BPF_REG_1, BPF_REG_0), + BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 4), + BPF_JMP_IMM(BPF_JEQ, BPF_REG_8, 1, 1), + BPF_LDX_MEM(BPF_B, BPF_REG_1, BPF_REG_2, 0), + BPF_MOV64_IMM(BPF_REG_0, 0), + BPF_EXIT_INSN(), + BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 0, 0), + BPF_EXIT_INSN(), + }, + .prog_type = BPF_PROG_TYPE_SOCKET_FILTER, + .errstr_unpriv = "function calls to other bpf functions are allowed for root only", + .errstr = "!read_ok", + .result = REJECT, +}, diff --git a/tools/testing/selftests/bpf/verifier/ref_tracking.c b/tools/testing/selftests/bpf/verifier/ref_tracking.c index 3ed3593bd8b6..923f2110072d 100644 --- a/tools/testing/selftests/bpf/verifier/ref_tracking.c +++ b/tools/testing/selftests/bpf/verifier/ref_tracking.c @@ -605,3 +605,171 @@ .prog_type = BPF_PROG_TYPE_SCHED_CLS, .result = ACCEPT, }, +{ + "reference tracking: use ptr from bpf_tcp_sock() after release", + .insns = { + BPF_SK_LOOKUP, + BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1), + BPF_EXIT_INSN(), + BPF_MOV64_REG(BPF_REG_6, BPF_REG_0), + BPF_MOV64_REG(BPF_REG_1, BPF_REG_0), + BPF_EMIT_CALL(BPF_FUNC_tcp_sock), + BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 3), + BPF_MOV64_REG(BPF_REG_1, BPF_REG_6), + BPF_EMIT_CALL(BPF_FUNC_sk_release), + BPF_EXIT_INSN(), + BPF_MOV64_REG(BPF_REG_7, BPF_REG_0), + BPF_MOV64_REG(BPF_REG_1, BPF_REG_6), + BPF_EMIT_CALL(BPF_FUNC_sk_release), + BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_7, offsetof(struct bpf_tcp_sock, snd_cwnd)), + BPF_EXIT_INSN(), + }, + .prog_type = BPF_PROG_TYPE_SCHED_CLS, + .result = REJECT, + .errstr = "invalid mem access", +}, +{ + "reference tracking: use ptr from bpf_sk_fullsock() after release", + .insns = { + BPF_SK_LOOKUP, + BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1), + BPF_EXIT_INSN(), + BPF_MOV64_REG(BPF_REG_6, BPF_REG_0), + BPF_MOV64_REG(BPF_REG_1, BPF_REG_0), + BPF_EMIT_CALL(BPF_FUNC_sk_fullsock), + BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 3), + BPF_MOV64_REG(BPF_REG_1, BPF_REG_6), + BPF_EMIT_CALL(BPF_FUNC_sk_release), + BPF_EXIT_INSN(), + BPF_MOV64_REG(BPF_REG_7, BPF_REG_0), + BPF_MOV64_REG(BPF_REG_1, BPF_REG_6), + BPF_EMIT_CALL(BPF_FUNC_sk_release), + BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_7, offsetof(struct bpf_sock, type)), + BPF_EXIT_INSN(), + }, + .prog_type = BPF_PROG_TYPE_SCHED_CLS, + .result = REJECT, + .errstr = "invalid mem access", +}, +{ + "reference tracking: use ptr from bpf_sk_fullsock(tp) after release", + .insns = { + BPF_SK_LOOKUP, + BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1), + BPF_EXIT_INSN(), + BPF_MOV64_REG(BPF_REG_6, BPF_REG_0), + BPF_MOV64_REG(BPF_REG_1, BPF_REG_0), + BPF_EMIT_CALL(BPF_FUNC_tcp_sock), + BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 3), + BPF_MOV64_REG(BPF_REG_1, BPF_REG_6), + BPF_EMIT_CALL(BPF_FUNC_sk_release), + BPF_EXIT_INSN(), + BPF_MOV64_REG(BPF_REG_1, BPF_REG_0), + BPF_EMIT_CALL(BPF_FUNC_sk_fullsock), + BPF_MOV64_REG(BPF_REG_1, BPF_REG_6), + BPF_MOV64_REG(BPF_REG_6, BPF_REG_0), + BPF_EMIT_CALL(BPF_FUNC_sk_release), + BPF_JMP_IMM(BPF_JNE, BPF_REG_6, 0, 1), + BPF_EXIT_INSN(), + BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_6, offsetof(struct bpf_sock, type)), + BPF_EXIT_INSN(), + }, + .prog_type = BPF_PROG_TYPE_SCHED_CLS, + .result = REJECT, + .errstr = "invalid mem access", +}, +{ + "reference tracking: use sk after bpf_sk_release(tp)", + .insns = { + BPF_SK_LOOKUP, + BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1), + BPF_EXIT_INSN(), + BPF_MOV64_REG(BPF_REG_6, BPF_REG_0), + BPF_MOV64_REG(BPF_REG_1, BPF_REG_0), + BPF_EMIT_CALL(BPF_FUNC_tcp_sock), + BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 3), + BPF_MOV64_REG(BPF_REG_1, BPF_REG_6), + BPF_EMIT_CALL(BPF_FUNC_sk_release), + BPF_EXIT_INSN(), + BPF_MOV64_REG(BPF_REG_1, BPF_REG_0), + BPF_EMIT_CALL(BPF_FUNC_sk_release), + BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_6, offsetof(struct bpf_sock, type)), + BPF_EXIT_INSN(), + }, + .prog_type = BPF_PROG_TYPE_SCHED_CLS, + .result = REJECT, + .errstr = "invalid mem access", +}, +{ + "reference tracking: use ptr from bpf_get_listener_sock() after bpf_sk_release(sk)", + .insns = { + BPF_SK_LOOKUP, + BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1), + BPF_EXIT_INSN(), + BPF_MOV64_REG(BPF_REG_6, BPF_REG_0), + BPF_MOV64_REG(BPF_REG_1, BPF_REG_0), + BPF_EMIT_CALL(BPF_FUNC_get_listener_sock), + BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 3), + BPF_MOV64_REG(BPF_REG_1, BPF_REG_6), + BPF_EMIT_CALL(BPF_FUNC_sk_release), + BPF_EXIT_INSN(), + BPF_MOV64_REG(BPF_REG_1, BPF_REG_6), + BPF_MOV64_REG(BPF_REG_6, BPF_REG_0), + BPF_EMIT_CALL(BPF_FUNC_sk_release), + BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_6, offsetof(struct bpf_sock, src_port)), + BPF_EXIT_INSN(), + }, + .prog_type = BPF_PROG_TYPE_SCHED_CLS, + .result = ACCEPT, +}, +{ + "reference tracking: bpf_sk_release(listen_sk)", + .insns = { + BPF_SK_LOOKUP, + BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1), + BPF_EXIT_INSN(), + BPF_MOV64_REG(BPF_REG_6, BPF_REG_0), + BPF_MOV64_REG(BPF_REG_1, BPF_REG_0), + BPF_EMIT_CALL(BPF_FUNC_get_listener_sock), + BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 3), + BPF_MOV64_REG(BPF_REG_1, BPF_REG_6), + BPF_EMIT_CALL(BPF_FUNC_sk_release), + BPF_EXIT_INSN(), + BPF_MOV64_REG(BPF_REG_1, BPF_REG_0), + BPF_EMIT_CALL(BPF_FUNC_sk_release), + BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_6, offsetof(struct bpf_sock, type)), + BPF_MOV64_REG(BPF_REG_1, BPF_REG_6), + BPF_EMIT_CALL(BPF_FUNC_sk_release), + BPF_EXIT_INSN(), + }, + .prog_type = BPF_PROG_TYPE_SCHED_CLS, + .result = REJECT, + .errstr = "reference has not been acquired before", +}, +{ + /* !bpf_sk_fullsock(sk) is checked but !bpf_tcp_sock(sk) is not checked */ + "reference tracking: tp->snd_cwnd after bpf_sk_fullsock(sk) and bpf_tcp_sock(sk)", + .insns = { + BPF_SK_LOOKUP, + BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1), + BPF_EXIT_INSN(), + BPF_MOV64_REG(BPF_REG_6, BPF_REG_0), + BPF_MOV64_REG(BPF_REG_1, BPF_REG_0), + BPF_EMIT_CALL(BPF_FUNC_sk_fullsock), + BPF_MOV64_REG(BPF_REG_7, BPF_REG_0), + BPF_MOV64_REG(BPF_REG_1, BPF_REG_6), + BPF_EMIT_CALL(BPF_FUNC_tcp_sock), + BPF_MOV64_REG(BPF_REG_8, BPF_REG_0), + BPF_JMP_IMM(BPF_JNE, BPF_REG_7, 0, 3), + BPF_MOV64_REG(BPF_REG_1, BPF_REG_6), + BPF_EMIT_CALL(BPF_FUNC_sk_release), + BPF_EXIT_INSN(), + BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_8, offsetof(struct bpf_tcp_sock, snd_cwnd)), + BPF_MOV64_REG(BPF_REG_1, BPF_REG_6), + BPF_EMIT_CALL(BPF_FUNC_sk_release), + BPF_EXIT_INSN(), + }, + .prog_type = BPF_PROG_TYPE_SCHED_CLS, + .result = REJECT, + .errstr = "invalid mem access", +}, diff --git a/tools/testing/selftests/bpf/verifier/sock.c b/tools/testing/selftests/bpf/verifier/sock.c index 0ddfdf76aba5..416436231fab 100644 --- a/tools/testing/selftests/bpf/verifier/sock.c +++ b/tools/testing/selftests/bpf/verifier/sock.c @@ -342,7 +342,7 @@ }, .prog_type = BPF_PROG_TYPE_SCHED_CLS, .result = REJECT, - .errstr = "type=sock_common expected=sock", + .errstr = "reference has not been acquired before", }, { "bpf_sk_release(bpf_sk_fullsock(skb->sk))", @@ -380,5 +380,5 @@ }, .prog_type = BPF_PROG_TYPE_SCHED_CLS, .result = REJECT, - .errstr = "type=tcp_sock expected=sock", + .errstr = "reference has not been acquired before", }, diff --git a/tools/testing/selftests/kvm/Makefile b/tools/testing/selftests/kvm/Makefile index 3c1f4bdf9000..7514fcea91a7 100644 --- a/tools/testing/selftests/kvm/Makefile +++ b/tools/testing/selftests/kvm/Makefile @@ -29,8 +29,8 @@ LIBKVM += $(LIBKVM_$(UNAME_M)) INSTALL_HDR_PATH = $(top_srcdir)/usr LINUX_HDR_PATH = $(INSTALL_HDR_PATH)/include/ LINUX_TOOL_INCLUDE = $(top_srcdir)/tools/include -CFLAGS += -O2 -g -std=gnu99 -I$(LINUX_TOOL_INCLUDE) -I$(LINUX_HDR_PATH) -Iinclude -I$(<D) -Iinclude/$(UNAME_M) -I.. -LDFLAGS += -pthread +CFLAGS += -O2 -g -std=gnu99 -fno-stack-protector -fno-PIE -I$(LINUX_TOOL_INCLUDE) -I$(LINUX_HDR_PATH) -Iinclude -I$(<D) -Iinclude/$(UNAME_M) -I.. +LDFLAGS += -pthread -no-pie # After inclusion, $(OUTPUT) is defined and # $(TEST_GEN_PROGS) starts with $(OUTPUT)/ diff --git a/tools/testing/selftests/kvm/include/kvm_util.h b/tools/testing/selftests/kvm/include/kvm_util.h index a84785b02557..07b71ad9734a 100644 --- a/tools/testing/selftests/kvm/include/kvm_util.h +++ b/tools/testing/selftests/kvm/include/kvm_util.h @@ -102,6 +102,7 @@ vm_paddr_t addr_gva2gpa(struct kvm_vm *vm, vm_vaddr_t gva); struct kvm_run *vcpu_state(struct kvm_vm *vm, uint32_t vcpuid); void vcpu_run(struct kvm_vm *vm, uint32_t vcpuid); int _vcpu_run(struct kvm_vm *vm, uint32_t vcpuid); +void vcpu_run_complete_io(struct kvm_vm *vm, uint32_t vcpuid); void vcpu_set_mp_state(struct kvm_vm *vm, uint32_t vcpuid, struct kvm_mp_state *mp_state); void vcpu_regs_get(struct kvm_vm *vm, uint32_t vcpuid, struct kvm_regs *regs); diff --git a/tools/testing/selftests/kvm/lib/kvm_util.c b/tools/testing/selftests/kvm/lib/kvm_util.c index b52cfdefecbf..efa0aad8b3c6 100644 --- a/tools/testing/selftests/kvm/lib/kvm_util.c +++ b/tools/testing/selftests/kvm/lib/kvm_util.c @@ -1121,6 +1121,22 @@ int _vcpu_run(struct kvm_vm *vm, uint32_t vcpuid) return rc; } +void vcpu_run_complete_io(struct kvm_vm *vm, uint32_t vcpuid) +{ + struct vcpu *vcpu = vcpu_find(vm, vcpuid); + int ret; + + TEST_ASSERT(vcpu != NULL, "vcpu not found, vcpuid: %u", vcpuid); + + vcpu->state->immediate_exit = 1; + ret = ioctl(vcpu->fd, KVM_RUN, NULL); + vcpu->state->immediate_exit = 0; + + TEST_ASSERT(ret == -1 && errno == EINTR, + "KVM_RUN IOCTL didn't exit immediately, rc: %i, errno: %i", + ret, errno); +} + /* * VM VCPU Set MP State * diff --git a/tools/testing/selftests/kvm/x86_64/cr4_cpuid_sync_test.c b/tools/testing/selftests/kvm/x86_64/cr4_cpuid_sync_test.c index d503a51fad30..7c2c4d4055a8 100644 --- a/tools/testing/selftests/kvm/x86_64/cr4_cpuid_sync_test.c +++ b/tools/testing/selftests/kvm/x86_64/cr4_cpuid_sync_test.c @@ -87,22 +87,25 @@ int main(int argc, char *argv[]) while (1) { rc = _vcpu_run(vm, VCPU_ID); - if (run->exit_reason == KVM_EXIT_IO) { - switch (get_ucall(vm, VCPU_ID, &uc)) { - case UCALL_SYNC: - /* emulate hypervisor clearing CR4.OSXSAVE */ - vcpu_sregs_get(vm, VCPU_ID, &sregs); - sregs.cr4 &= ~X86_CR4_OSXSAVE; - vcpu_sregs_set(vm, VCPU_ID, &sregs); - break; - case UCALL_ABORT: - TEST_ASSERT(false, "Guest CR4 bit (OSXSAVE) unsynchronized with CPUID bit."); - break; - case UCALL_DONE: - goto done; - default: - TEST_ASSERT(false, "Unknown ucall 0x%x.", uc.cmd); - } + TEST_ASSERT(run->exit_reason == KVM_EXIT_IO, + "Unexpected exit reason: %u (%s),\n", + run->exit_reason, + exit_reason_str(run->exit_reason)); + + switch (get_ucall(vm, VCPU_ID, &uc)) { + case UCALL_SYNC: + /* emulate hypervisor clearing CR4.OSXSAVE */ + vcpu_sregs_get(vm, VCPU_ID, &sregs); + sregs.cr4 &= ~X86_CR4_OSXSAVE; + vcpu_sregs_set(vm, VCPU_ID, &sregs); + break; + case UCALL_ABORT: + TEST_ASSERT(false, "Guest CR4 bit (OSXSAVE) unsynchronized with CPUID bit."); + break; + case UCALL_DONE: + goto done; + default: + TEST_ASSERT(false, "Unknown ucall 0x%x.", uc.cmd); } } diff --git a/tools/testing/selftests/kvm/x86_64/state_test.c b/tools/testing/selftests/kvm/x86_64/state_test.c index 4b3f556265f1..30f75856cf39 100644 --- a/tools/testing/selftests/kvm/x86_64/state_test.c +++ b/tools/testing/selftests/kvm/x86_64/state_test.c @@ -134,6 +134,11 @@ int main(int argc, char *argv[]) struct kvm_cpuid_entry2 *entry = kvm_get_supported_cpuid_entry(1); + if (!kvm_check_cap(KVM_CAP_IMMEDIATE_EXIT)) { + fprintf(stderr, "immediate_exit not available, skipping test\n"); + exit(KSFT_SKIP); + } + /* Create VM */ vm = vm_create_default(VCPU_ID, 0, guest_code); vcpu_set_cpuid(vm, VCPU_ID, kvm_get_supported_cpuid()); @@ -156,8 +161,6 @@ int main(int argc, char *argv[]) stage, run->exit_reason, exit_reason_str(run->exit_reason)); - memset(®s1, 0, sizeof(regs1)); - vcpu_regs_get(vm, VCPU_ID, ®s1); switch (get_ucall(vm, VCPU_ID, &uc)) { case UCALL_ABORT: TEST_ASSERT(false, "%s at %s:%d", (const char *)uc.args[0], @@ -176,6 +179,17 @@ int main(int argc, char *argv[]) uc.args[1] == stage, "Unexpected register values vmexit #%lx, got %lx", stage, (ulong)uc.args[1]); + /* + * When KVM exits to userspace with KVM_EXIT_IO, KVM guarantees + * guest state is consistent only after userspace re-enters the + * kernel with KVM_RUN. Complete IO prior to migrating state + * to a new VM. + */ + vcpu_run_complete_io(vm, VCPU_ID); + + memset(®s1, 0, sizeof(regs1)); + vcpu_regs_get(vm, VCPU_ID, ®s1); + state = vcpu_save_state(vm, VCPU_ID); kvm_vm_release(vm); diff --git a/tools/testing/selftests/tc-testing/tc-tests/actions/bpf.json b/tools/testing/selftests/tc-testing/tc-tests/actions/bpf.json index 5970cee6d05f..b074ea9b6fe8 100644 --- a/tools/testing/selftests/tc-testing/tc-tests/actions/bpf.json +++ b/tools/testing/selftests/tc-testing/tc-tests/actions/bpf.json @@ -286,5 +286,30 @@ "teardown": [ "$TC action flush action bpf" ] + }, + { + "id": "b8a1", + "name": "Replace bpf action with invalid goto_chain control", + "category": [ + "actions", + "bpf" + ], + "setup": [ + [ + "$TC actions flush action bpf", + 0, + 1, + 255 + ], + "$TC action add action bpf bytecode '1,6 0 0 4294967295' pass index 90" + ], + "cmdUnderTest": "$TC action replace action bpf bytecode '1,6 0 0 4294967295' goto chain 42 index 90 cookie c1a0c1a0", + "expExitCode": "255", + "verifyCmd": "$TC action list action bpf", + "matchPattern": "action order [0-9]*: bpf.* default-action pass.*index 90", + "matchCount": "1", + "teardown": [ + "$TC action flush action bpf" + ] } ] diff --git a/tools/testing/selftests/tc-testing/tc-tests/actions/connmark.json b/tools/testing/selftests/tc-testing/tc-tests/actions/connmark.json index 13147a1f5731..cadde8f41fcd 100644 --- a/tools/testing/selftests/tc-testing/tc-tests/actions/connmark.json +++ b/tools/testing/selftests/tc-testing/tc-tests/actions/connmark.json @@ -287,5 +287,30 @@ "teardown": [ "$TC actions flush action connmark" ] + }, + { + "id": "c506", + "name": "Replace connmark with invalid goto chain control", + "category": [ + "actions", + "connmark" + ], + "setup": [ + [ + "$TC actions flush action connmark", + 0, + 1, + 255 + ], + "$TC actions add action connmark pass index 90" + ], + "cmdUnderTest": "$TC actions replace action connmark goto chain 42 index 90 cookie c1a0c1a0", + "expExitCode": "255", + "verifyCmd": "$TC actions get action connmark index 90", + "matchPattern": "action order [0-9]+: connmark zone 0 pass.*index 90 ref", + "matchCount": "1", + "teardown": [ + "$TC actions flush action connmark" + ] } ] diff --git a/tools/testing/selftests/tc-testing/tc-tests/actions/csum.json b/tools/testing/selftests/tc-testing/tc-tests/actions/csum.json index a022792d392a..ddabb2fbb7c7 100644 --- a/tools/testing/selftests/tc-testing/tc-tests/actions/csum.json +++ b/tools/testing/selftests/tc-testing/tc-tests/actions/csum.json @@ -500,5 +500,30 @@ "matchPattern": "^[ \t]+index [0-9]+ ref", "matchCount": "0", "teardown": [] + }, + { + "id": "d128", + "name": "Replace csum action with invalid goto chain control", + "category": [ + "actions", + "csum" + ], + "setup": [ + [ + "$TC actions flush action csum", + 0, + 1, + 255 + ], + "$TC actions add action csum iph index 90" + ], + "cmdUnderTest": "$TC actions replace action csum iph goto chain 42 index 90 cookie c1a0c1a0", + "expExitCode": "255", + "verifyCmd": "$TC actions get action csum index 90", + "matchPattern": "action order [0-9]*: csum \\(iph\\) action pass.*index 90 ref", + "matchCount": "1", + "teardown": [ + "$TC actions flush action csum" + ] } ] diff --git a/tools/testing/selftests/tc-testing/tc-tests/actions/gact.json b/tools/testing/selftests/tc-testing/tc-tests/actions/gact.json index 89189a03ce3d..814b7a8a478b 100644 --- a/tools/testing/selftests/tc-testing/tc-tests/actions/gact.json +++ b/tools/testing/selftests/tc-testing/tc-tests/actions/gact.json @@ -560,5 +560,30 @@ "teardown": [ "$TC actions flush action gact" ] + }, + { + "id": "ca89", + "name": "Replace gact action with invalid goto chain control", + "category": [ + "actions", + "gact" + ], + "setup": [ + [ + "$TC actions flush action gact", + 0, + 1, + 255 + ], + "$TC actions add action pass random determ drop 2 index 90" + ], + "cmdUnderTest": "$TC actions replace action goto chain 42 random determ drop 5 index 90 cookie c1a0c1a0", + "expExitCode": "255", + "verifyCmd": "$TC actions list action gact", + "matchPattern": "action order [0-9]*: gact action pass.*random type determ drop val 2.*index 90 ref", + "matchCount": "1", + "teardown": [ + "$TC actions flush action gact" + ] } ] diff --git a/tools/testing/selftests/tc-testing/tc-tests/actions/ife.json b/tools/testing/selftests/tc-testing/tc-tests/actions/ife.json index 0da3545cabdb..c13a68b98fc7 100644 --- a/tools/testing/selftests/tc-testing/tc-tests/actions/ife.json +++ b/tools/testing/selftests/tc-testing/tc-tests/actions/ife.json @@ -1060,5 +1060,30 @@ "matchPattern": "action order [0-9]*: ife encode action pipe.*allow prio.*index 4", "matchCount": "0", "teardown": [] + }, + { + "id": "a0e2", + "name": "Replace ife encode action with invalid goto chain control", + "category": [ + "actions", + "ife" + ], + "setup": [ + [ + "$TC actions flush action ife", + 0, + 1, + 255 + ], + "$TC actions add action ife encode allow mark pass index 90" + ], + "cmdUnderTest": "$TC actions replace action ife encode allow mark goto chain 42 index 90 cookie c1a0c1a0", + "expExitCode": "255", + "verifyCmd": "$TC actions get action ife index 90", + "matchPattern": "action order [0-9]*: ife encode action pass.*type 0[xX]ED3E .*allow mark.*index 90 ref", + "matchCount": "1", + "teardown": [ + "$TC actions flush action ife" + ] } ] diff --git a/tools/testing/selftests/tc-testing/tc-tests/actions/mirred.json b/tools/testing/selftests/tc-testing/tc-tests/actions/mirred.json index db49fd0f8445..6e5fb3d25681 100644 --- a/tools/testing/selftests/tc-testing/tc-tests/actions/mirred.json +++ b/tools/testing/selftests/tc-testing/tc-tests/actions/mirred.json @@ -434,5 +434,30 @@ "teardown": [ "$TC actions flush action mirred" ] + }, + { + "id": "2a9a", + "name": "Replace mirred action with invalid goto chain control", + "category": [ + "actions", + "mirred" + ], + "setup": [ + [ + "$TC actions flush action mirred", + 0, + 1, + 255 + ], + "$TC actions add action mirred ingress mirror dev lo drop index 90" + ], + "cmdUnderTest": "$TC actions replace action mirred ingress mirror dev lo goto chain 42 index 90 cookie c1a0c1a0", + "expExitCode": "255", + "verifyCmd": "$TC actions get action mirred index 90", + "matchPattern": "action order [0-9]*: mirred \\(Ingress Mirror to device lo\\) drop.*index 90 ref", + "matchCount": "1", + "teardown": [ + "$TC actions flush action mirred" + ] } ] diff --git a/tools/testing/selftests/tc-testing/tc-tests/actions/nat.json b/tools/testing/selftests/tc-testing/tc-tests/actions/nat.json index 0080dc2fd41c..bc12c1ccad30 100644 --- a/tools/testing/selftests/tc-testing/tc-tests/actions/nat.json +++ b/tools/testing/selftests/tc-testing/tc-tests/actions/nat.json @@ -589,5 +589,30 @@ "teardown": [ "$TC actions flush action nat" ] + }, + { + "id": "4b12", + "name": "Replace nat action with invalid goto chain control", + "category": [ + "actions", + "nat" + ], + "setup": [ + [ + "$TC actions flush action nat", + 0, + 1, + 255 + ], + "$TC actions add action nat ingress 1.18.1.1 1.18.2.2 drop index 90" + ], + "cmdUnderTest": "$TC actions replace action nat ingress 1.18.1.1 1.18.2.2 goto chain 42 index 90 cookie c1a0c1a0", + "expExitCode": "255", + "verifyCmd": "$TC actions get action nat index 90", + "matchPattern": "action order [0-9]+: nat ingress 1.18.1.1/32 1.18.2.2 drop.*index 90 ref", + "matchCount": "1", + "teardown": [ + "$TC actions flush action nat" + ] } ] diff --git a/tools/testing/selftests/tc-testing/tc-tests/actions/pedit.json b/tools/testing/selftests/tc-testing/tc-tests/actions/pedit.json new file mode 100644 index 000000000000..b73ceb9e28b1 --- /dev/null +++ b/tools/testing/selftests/tc-testing/tc-tests/actions/pedit.json @@ -0,0 +1,51 @@ +[ + { + "id": "319a", + "name": "Add pedit action that mangles IP TTL", + "category": [ + "actions", + "pedit" + ], + "setup": [ + [ + "$TC actions flush action pedit", + 0, + 1, + 255 + ] + ], + "cmdUnderTest": "$TC actions add action pedit ex munge ip ttl set 10", + "expExitCode": "0", + "verifyCmd": "$TC actions ls action pedit", + "matchPattern": "action order [0-9]+: pedit action pass keys 1.*index 1 ref.*key #0 at ipv4\\+8: val 0a000000 mask 00ffffff", + "matchCount": "1", + "teardown": [ + "$TC actions flush action pedit" + ] + }, + { + "id": "7e67", + "name": "Replace pedit action with invalid goto chain", + "category": [ + "actions", + "pedit" + ], + "setup": [ + [ + "$TC actions flush action pedit", + 0, + 1, + 255 + ], + "$TC actions add action pedit ex munge ip ttl set 10 pass index 90" + ], + "cmdUnderTest": "$TC actions replace action pedit ex munge ip ttl set 10 goto chain 42 index 90 cookie c1a0c1a0", + "expExitCode": "255", + "verifyCmd": "$TC actions ls action pedit", + "matchPattern": "action order [0-9]+: pedit action pass keys 1.*index 90 ref.*key #0 at ipv4\\+8: val 0a000000 mask 00ffffff", + "matchCount": "1", + "teardown": [ + "$TC actions flush action pedit" + ] + } +] diff --git a/tools/testing/selftests/tc-testing/tc-tests/actions/police.json b/tools/testing/selftests/tc-testing/tc-tests/actions/police.json index 4086a50a670e..b8268da5adaa 100644 --- a/tools/testing/selftests/tc-testing/tc-tests/actions/police.json +++ b/tools/testing/selftests/tc-testing/tc-tests/actions/police.json @@ -739,5 +739,30 @@ "teardown": [ "$TC actions flush action police" ] + }, + { + "id": "689e", + "name": "Replace police action with invalid goto chain control", + "category": [ + "actions", + "police" + ], + "setup": [ + [ + "$TC actions flush action police", + 0, + 1, + 255 + ], + "$TC actions add action police rate 3mbit burst 250k drop index 90" + ], + "cmdUnderTest": "$TC actions replace action police rate 3mbit burst 250k goto chain 42 index 90 cookie c1a0c1a0", + "expExitCode": "255", + "verifyCmd": "$TC actions get action police index 90", + "matchPattern": "action order [0-9]*: police 0x5a rate 3Mbit burst 250Kb mtu 2Kb action drop", + "matchCount": "1", + "teardown": [ + "$TC actions flush action police" + ] } ] diff --git a/tools/testing/selftests/tc-testing/tc-tests/actions/sample.json b/tools/testing/selftests/tc-testing/tc-tests/actions/sample.json index 3aca33c00039..27f0acaed880 100644 --- a/tools/testing/selftests/tc-testing/tc-tests/actions/sample.json +++ b/tools/testing/selftests/tc-testing/tc-tests/actions/sample.json @@ -584,5 +584,30 @@ "teardown": [ "$TC actions flush action sample" ] + }, + { + "id": "0a6e", + "name": "Replace sample action with invalid goto chain control", + "category": [ + "actions", + "sample" + ], + "setup": [ + [ + "$TC actions flush action sample", + 0, + 1, + 255 + ], + "$TC actions add action sample rate 1024 group 4 pass index 90" + ], + "cmdUnderTest": "$TC actions replace action sample rate 1024 group 7 goto chain 42 index 90 cookie c1a0c1a0", + "expExitCode": "255", + "verifyCmd": "$TC actions list action sample", + "matchPattern": "action order [0-9]+: sample rate 1/1024 group 4 pass.*index 90", + "matchCount": "1", + "teardown": [ + "$TC actions flush action sample" + ] } ] diff --git a/tools/testing/selftests/tc-testing/tc-tests/actions/simple.json b/tools/testing/selftests/tc-testing/tc-tests/actions/simple.json index e89a7aa4012d..8e8c1ae12260 100644 --- a/tools/testing/selftests/tc-testing/tc-tests/actions/simple.json +++ b/tools/testing/selftests/tc-testing/tc-tests/actions/simple.json @@ -126,5 +126,30 @@ "teardown": [ "" ] + }, + { + "id": "b776", + "name": "Replace simple action with invalid goto chain control", + "category": [ + "actions", + "simple" + ], + "setup": [ + [ + "$TC actions flush action simple", + 0, + 1, + 255 + ], + "$TC actions add action simple sdata \"hello\" pass index 90" + ], + "cmdUnderTest": "$TC actions replace action simple sdata \"world\" goto chain 42 index 90 cookie c1a0c1a0", + "expExitCode": "255", + "verifyCmd": "$TC actions list action simple", + "matchPattern": "action order [0-9]*: Simple <hello>.*index 90 ref", + "matchCount": "1", + "teardown": [ + "$TC actions flush action simple" + ] } ] diff --git a/tools/testing/selftests/tc-testing/tc-tests/actions/skbedit.json b/tools/testing/selftests/tc-testing/tc-tests/actions/skbedit.json index 5aaf593b914a..ecd96eda7f6a 100644 --- a/tools/testing/selftests/tc-testing/tc-tests/actions/skbedit.json +++ b/tools/testing/selftests/tc-testing/tc-tests/actions/skbedit.json @@ -484,5 +484,30 @@ "teardown": [ "$TC actions flush action skbedit" ] + }, + { + "id": "1b2b", + "name": "Replace skbedit action with invalid goto_chain control", + "category": [ + "actions", + "skbedit" + ], + "setup": [ + [ + "$TC actions flush action skbedit", + 0, + 1, + 255 + ], + "$TC actions add action skbedit ptype host pass index 90" + ], + "cmdUnderTest": "$TC actions replace action skbedit ptype host goto chain 42 index 90 cookie c1a0c1a0", + "expExitCode": "255", + "verifyCmd": "$TC actions list action skbedit", + "matchPattern": "action order [0-9]*: skbedit ptype host pass.*index 90 ref", + "matchCount": "1", + "teardown": [ + "$TC actions flush action skbedit" + ] } ] diff --git a/tools/testing/selftests/tc-testing/tc-tests/actions/skbmod.json b/tools/testing/selftests/tc-testing/tc-tests/actions/skbmod.json index fe3326e939c1..6eb4c4f97060 100644 --- a/tools/testing/selftests/tc-testing/tc-tests/actions/skbmod.json +++ b/tools/testing/selftests/tc-testing/tc-tests/actions/skbmod.json @@ -392,5 +392,30 @@ "teardown": [ "$TC actions flush action skbmod" ] + }, + { + "id": "b651", + "name": "Replace skbmod action with invalid goto_chain control", + "category": [ + "actions", + "skbmod" + ], + "setup": [ + [ + "$TC actions flush action skbmod", + 0, + 1, + 255 + ], + "$TC actions add action skbmod set etype 0x1111 pass index 90" + ], + "cmdUnderTest": "$TC actions replace action skbmod set etype 0x1111 goto chain 42 index 90 cookie c1a0c1a0", + "expExitCode": "255", + "verifyCmd": "$TC actions ls action skbmod", + "matchPattern": "action order [0-9]*: skbmod pass set etype 0x1111\\s+index 90 ref", + "matchCount": "1", + "teardown": [ + "$TC actions flush action skbmod" + ] } ] diff --git a/tools/testing/selftests/tc-testing/tc-tests/actions/tunnel_key.json b/tools/testing/selftests/tc-testing/tc-tests/actions/tunnel_key.json index e7e15a7336b6..28453a445fdb 100644 --- a/tools/testing/selftests/tc-testing/tc-tests/actions/tunnel_key.json +++ b/tools/testing/selftests/tc-testing/tc-tests/actions/tunnel_key.json @@ -884,5 +884,30 @@ "teardown": [ "$TC actions flush action tunnel_key" ] + }, + { + "id": "8242", + "name": "Replace tunnel_key set action with invalid goto chain", + "category": [ + "actions", + "tunnel_key" + ], + "setup": [ + [ + "$TC actions flush action tunnel_key", + 0, + 1, + 255 + ], + "$TC actions add action tunnel_key set src_ip 10.10.10.1 dst_ip 20.20.20.2 dst_port 3128 nocsum id 1 pass index 90" + ], + "cmdUnderTest": "$TC actions replace action tunnel_key set src_ip 10.10.10.2 dst_ip 20.20.20.1 dst_port 3129 id 2 csum goto chain 42 index 90 cookie c1a0c1a0", + "expExitCode": "255", + "verifyCmd": "$TC actions get action tunnel_key index 90", + "matchPattern": "action order [0-9]+: tunnel_key.*set.*src_ip 10.10.10.1.*dst_ip 20.20.20.2.*key_id 1.*dst_port 3128.*csum pass.*index 90 ref", + "matchCount": "1", + "teardown": [ + "$TC actions flush action tunnel_key" + ] } ] diff --git a/tools/testing/selftests/tc-testing/tc-tests/actions/vlan.json b/tools/testing/selftests/tc-testing/tc-tests/actions/vlan.json index 69ea09eefffc..cc7c7d758008 100644 --- a/tools/testing/selftests/tc-testing/tc-tests/actions/vlan.json +++ b/tools/testing/selftests/tc-testing/tc-tests/actions/vlan.json @@ -688,5 +688,30 @@ "teardown": [ "$TC actions flush action vlan" ] + }, + { + "id": "e394", + "name": "Replace vlan push action with invalid goto chain control", + "category": [ + "actions", + "vlan" + ], + "setup": [ + [ + "$TC actions flush action vlan", + 0, + 1, + 255 + ], + "$TC actions add action vlan push id 500 pass index 90" + ], + "cmdUnderTest": "$TC actions replace action vlan push id 500 goto chain 42 index 90 cookie c1a0c1a0", + "expExitCode": "255", + "verifyCmd": "$TC actions get action vlan index 90", + "matchPattern": "action order [0-9]+: vlan.*push id 500 protocol 802.1Q priority 0 pass.*index 90 ref", + "matchCount": "1", + "teardown": [ + "$TC actions flush action vlan" + ] } ] diff --git a/virt/kvm/arm/hyp/vgic-v3-sr.c b/virt/kvm/arm/hyp/vgic-v3-sr.c index 264d92da3240..370bd6c5e6cb 100644 --- a/virt/kvm/arm/hyp/vgic-v3-sr.c +++ b/virt/kvm/arm/hyp/vgic-v3-sr.c @@ -222,7 +222,7 @@ void __hyp_text __vgic_v3_save_state(struct kvm_vcpu *vcpu) } } - if (used_lrs) { + if (used_lrs || cpu_if->its_vpe.its_vm) { int i; u32 elrsr; @@ -247,7 +247,7 @@ void __hyp_text __vgic_v3_restore_state(struct kvm_vcpu *vcpu) u64 used_lrs = vcpu->arch.vgic_cpu.used_lrs; int i; - if (used_lrs) { + if (used_lrs || cpu_if->its_vpe.its_vm) { write_gicreg(cpu_if->vgic_hcr, ICH_HCR_EL2); for (i = 0; i < used_lrs; i++) diff --git a/virt/kvm/arm/mmu.c b/virt/kvm/arm/mmu.c index ffd7acdceac7..27c958306449 100644 --- a/virt/kvm/arm/mmu.c +++ b/virt/kvm/arm/mmu.c @@ -102,8 +102,7 @@ static bool kvm_is_device_pfn(unsigned long pfn) * @addr: IPA * @pmd: pmd pointer for IPA * - * Function clears a PMD entry, flushes addr 1st and 2nd stage TLBs. Marks all - * pages in the range dirty. + * Function clears a PMD entry, flushes addr 1st and 2nd stage TLBs. */ static void stage2_dissolve_pmd(struct kvm *kvm, phys_addr_t addr, pmd_t *pmd) { @@ -121,8 +120,7 @@ static void stage2_dissolve_pmd(struct kvm *kvm, phys_addr_t addr, pmd_t *pmd) * @addr: IPA * @pud: pud pointer for IPA * - * Function clears a PUD entry, flushes addr 1st and 2nd stage TLBs. Marks all - * pages in the range dirty. + * Function clears a PUD entry, flushes addr 1st and 2nd stage TLBs. */ static void stage2_dissolve_pud(struct kvm *kvm, phys_addr_t addr, pud_t *pudp) { @@ -899,9 +897,8 @@ int create_hyp_exec_mappings(phys_addr_t phys_addr, size_t size, * kvm_alloc_stage2_pgd - allocate level-1 table for stage-2 translation. * @kvm: The KVM struct pointer for the VM. * - * Allocates only the stage-2 HW PGD level table(s) (can support either full - * 40-bit input addresses or limited to 32-bit input addresses). Clears the - * allocated pages. + * Allocates only the stage-2 HW PGD level table(s) of size defined by + * stage2_pgd_size(kvm). * * Note we don't need locking here as this is only called when the VM is * created, which can only be done once. @@ -1067,25 +1064,43 @@ static int stage2_set_pmd_huge(struct kvm *kvm, struct kvm_mmu_memory_cache { pmd_t *pmd, old_pmd; +retry: pmd = stage2_get_pmd(kvm, cache, addr); VM_BUG_ON(!pmd); old_pmd = *pmd; + /* + * Multiple vcpus faulting on the same PMD entry, can + * lead to them sequentially updating the PMD with the + * same value. Following the break-before-make + * (pmd_clear() followed by tlb_flush()) process can + * hinder forward progress due to refaults generated + * on missing translations. + * + * Skip updating the page table if the entry is + * unchanged. + */ + if (pmd_val(old_pmd) == pmd_val(*new_pmd)) + return 0; + if (pmd_present(old_pmd)) { /* - * Multiple vcpus faulting on the same PMD entry, can - * lead to them sequentially updating the PMD with the - * same value. Following the break-before-make - * (pmd_clear() followed by tlb_flush()) process can - * hinder forward progress due to refaults generated - * on missing translations. + * If we already have PTE level mapping for this block, + * we must unmap it to avoid inconsistent TLB state and + * leaking the table page. We could end up in this situation + * if the memory slot was marked for dirty logging and was + * reverted, leaving PTE level mappings for the pages accessed + * during the period. So, unmap the PTE level mapping for this + * block and retry, as we could have released the upper level + * table in the process. * - * Skip updating the page table if the entry is - * unchanged. + * Normal THP split/merge follows mmu_notifier callbacks and do + * get handled accordingly. */ - if (pmd_val(old_pmd) == pmd_val(*new_pmd)) - return 0; - + if (!pmd_thp_or_huge(old_pmd)) { + unmap_stage2_range(kvm, addr & S2_PMD_MASK, S2_PMD_SIZE); + goto retry; + } /* * Mapping in huge pages should only happen through a * fault. If a page is merged into a transparent huge @@ -1097,8 +1112,7 @@ static int stage2_set_pmd_huge(struct kvm *kvm, struct kvm_mmu_memory_cache * should become splitting first, unmapped, merged, * and mapped back in on-demand. */ - VM_BUG_ON(pmd_pfn(old_pmd) != pmd_pfn(*new_pmd)); - + WARN_ON_ONCE(pmd_pfn(old_pmd) != pmd_pfn(*new_pmd)); pmd_clear(pmd); kvm_tlb_flush_vmid_ipa(kvm, addr); } else { @@ -1114,6 +1128,7 @@ static int stage2_set_pud_huge(struct kvm *kvm, struct kvm_mmu_memory_cache *cac { pud_t *pudp, old_pud; +retry: pudp = stage2_get_pud(kvm, cache, addr); VM_BUG_ON(!pudp); @@ -1121,14 +1136,23 @@ static int stage2_set_pud_huge(struct kvm *kvm, struct kvm_mmu_memory_cache *cac /* * A large number of vcpus faulting on the same stage 2 entry, - * can lead to a refault due to the - * stage2_pud_clear()/tlb_flush(). Skip updating the page - * tables if there is no change. + * can lead to a refault due to the stage2_pud_clear()/tlb_flush(). + * Skip updating the page tables if there is no change. */ if (pud_val(old_pud) == pud_val(*new_pudp)) return 0; if (stage2_pud_present(kvm, old_pud)) { + /* + * If we already have table level mapping for this block, unmap + * the range for this block and retry. + */ + if (!stage2_pud_huge(kvm, old_pud)) { + unmap_stage2_range(kvm, addr & S2_PUD_MASK, S2_PUD_SIZE); + goto retry; + } + + WARN_ON_ONCE(kvm_pud_pfn(old_pud) != kvm_pud_pfn(*new_pudp)); stage2_pud_clear(kvm, pudp); kvm_tlb_flush_vmid_ipa(kvm, addr); } else { @@ -1451,13 +1475,11 @@ static void stage2_wp_pmds(struct kvm *kvm, pud_t *pud, } /** - * stage2_wp_puds - write protect PGD range - * @pgd: pointer to pgd entry - * @addr: range start address - * @end: range end address - * - * Process PUD entries, for a huge PUD we cause a panic. - */ + * stage2_wp_puds - write protect PGD range + * @pgd: pointer to pgd entry + * @addr: range start address + * @end: range end address + */ static void stage2_wp_puds(struct kvm *kvm, pgd_t *pgd, phys_addr_t addr, phys_addr_t end) { @@ -1594,8 +1616,9 @@ static void kvm_send_hwpoison_signal(unsigned long address, send_sig_mceerr(BUS_MCEERR_AR, (void __user *)address, lsb, current); } -static bool fault_supports_stage2_pmd_mappings(struct kvm_memory_slot *memslot, - unsigned long hva) +static bool fault_supports_stage2_huge_mapping(struct kvm_memory_slot *memslot, + unsigned long hva, + unsigned long map_size) { gpa_t gpa_start; hva_t uaddr_start, uaddr_end; @@ -1610,34 +1633,34 @@ static bool fault_supports_stage2_pmd_mappings(struct kvm_memory_slot *memslot, /* * Pages belonging to memslots that don't have the same alignment - * within a PMD for userspace and IPA cannot be mapped with stage-2 - * PMD entries, because we'll end up mapping the wrong pages. + * within a PMD/PUD for userspace and IPA cannot be mapped with stage-2 + * PMD/PUD entries, because we'll end up mapping the wrong pages. * * Consider a layout like the following: * * memslot->userspace_addr: * +-----+--------------------+--------------------+---+ - * |abcde|fgh Stage-1 PMD | Stage-1 PMD tv|xyz| + * |abcde|fgh Stage-1 block | Stage-1 block tv|xyz| * +-----+--------------------+--------------------+---+ * * memslot->base_gfn << PAGE_SIZE: * +---+--------------------+--------------------+-----+ - * |abc|def Stage-2 PMD | Stage-2 PMD |tvxyz| + * |abc|def Stage-2 block | Stage-2 block |tvxyz| * +---+--------------------+--------------------+-----+ * - * If we create those stage-2 PMDs, we'll end up with this incorrect + * If we create those stage-2 blocks, we'll end up with this incorrect * mapping: * d -> f * e -> g * f -> h */ - if ((gpa_start & ~S2_PMD_MASK) != (uaddr_start & ~S2_PMD_MASK)) + if ((gpa_start & (map_size - 1)) != (uaddr_start & (map_size - 1))) return false; /* * Next, let's make sure we're not trying to map anything not covered - * by the memslot. This means we have to prohibit PMD size mappings - * for the beginning and end of a non-PMD aligned and non-PMD sized + * by the memslot. This means we have to prohibit block size mappings + * for the beginning and end of a non-block aligned and non-block sized * memory slot (illustrated by the head and tail parts of the * userspace view above containing pages 'abcde' and 'xyz', * respectively). @@ -1646,8 +1669,8 @@ static bool fault_supports_stage2_pmd_mappings(struct kvm_memory_slot *memslot, * userspace_addr or the base_gfn, as both are equally aligned (per * the check above) and equally sized. */ - return (hva & S2_PMD_MASK) >= uaddr_start && - (hva & S2_PMD_MASK) + S2_PMD_SIZE <= uaddr_end; + return (hva & ~(map_size - 1)) >= uaddr_start && + (hva & ~(map_size - 1)) + map_size <= uaddr_end; } static int user_mem_abort(struct kvm_vcpu *vcpu, phys_addr_t fault_ipa, @@ -1676,12 +1699,6 @@ static int user_mem_abort(struct kvm_vcpu *vcpu, phys_addr_t fault_ipa, return -EFAULT; } - if (!fault_supports_stage2_pmd_mappings(memslot, hva)) - force_pte = true; - - if (logging_active) - force_pte = true; - /* Let's check if we will get back a huge page backed by hugetlbfs */ down_read(¤t->mm->mmap_sem); vma = find_vma_intersection(current->mm, hva, hva + 1); @@ -1692,6 +1709,12 @@ static int user_mem_abort(struct kvm_vcpu *vcpu, phys_addr_t fault_ipa, } vma_pagesize = vma_kernel_pagesize(vma); + if (logging_active || + !fault_supports_stage2_huge_mapping(memslot, hva, vma_pagesize)) { + force_pte = true; + vma_pagesize = PAGE_SIZE; + } + /* * The stage2 has a minimum of 2 level table (For arm64 see * kvm_arm_setup_stage2()). Hence, we are guaranteed that we can @@ -1699,11 +1722,9 @@ static int user_mem_abort(struct kvm_vcpu *vcpu, phys_addr_t fault_ipa, * As for PUD huge maps, we must make sure that we have at least * 3 levels, i.e, PMD is not folded. */ - if ((vma_pagesize == PMD_SIZE || - (vma_pagesize == PUD_SIZE && kvm_stage2_has_pmd(kvm))) && - !force_pte) { + if (vma_pagesize == PMD_SIZE || + (vma_pagesize == PUD_SIZE && kvm_stage2_has_pmd(kvm))) gfn = (fault_ipa & huge_page_mask(hstate_vma(vma))) >> PAGE_SHIFT; - } up_read(¤t->mm->mmap_sem); /* We need minimum second+third level pages */ diff --git a/virt/kvm/arm/vgic/vgic-its.c b/virt/kvm/arm/vgic/vgic-its.c index ab3f47745d9c..44ceaccb18cf 100644 --- a/virt/kvm/arm/vgic/vgic-its.c +++ b/virt/kvm/arm/vgic/vgic-its.c @@ -754,8 +754,9 @@ static bool vgic_its_check_id(struct vgic_its *its, u64 baser, u32 id, u64 indirect_ptr, type = GITS_BASER_TYPE(baser); phys_addr_t base = GITS_BASER_ADDR_48_to_52(baser); int esz = GITS_BASER_ENTRY_SIZE(baser); - int index; + int index, idx; gfn_t gfn; + bool ret; switch (type) { case GITS_BASER_TYPE_DEVICE: @@ -782,7 +783,8 @@ static bool vgic_its_check_id(struct vgic_its *its, u64 baser, u32 id, if (eaddr) *eaddr = addr; - return kvm_is_visible_gfn(its->dev->kvm, gfn); + + goto out; } /* calculate and check the index into the 1st level */ @@ -812,7 +814,12 @@ static bool vgic_its_check_id(struct vgic_its *its, u64 baser, u32 id, if (eaddr) *eaddr = indirect_ptr; - return kvm_is_visible_gfn(its->dev->kvm, gfn); + +out: + idx = srcu_read_lock(&its->dev->kvm->srcu); + ret = kvm_is_visible_gfn(its->dev->kvm, gfn); + srcu_read_unlock(&its->dev->kvm->srcu, idx); + return ret; } static int vgic_its_alloc_collection(struct vgic_its *its, @@ -1729,8 +1736,8 @@ static void vgic_its_destroy(struct kvm_device *kvm_dev) kfree(its); } -int vgic_its_has_attr_regs(struct kvm_device *dev, - struct kvm_device_attr *attr) +static int vgic_its_has_attr_regs(struct kvm_device *dev, + struct kvm_device_attr *attr) { const struct vgic_register_region *region; gpa_t offset = attr->attr; @@ -1750,9 +1757,9 @@ int vgic_its_has_attr_regs(struct kvm_device *dev, return 0; } -int vgic_its_attr_regs_access(struct kvm_device *dev, - struct kvm_device_attr *attr, - u64 *reg, bool is_write) +static int vgic_its_attr_regs_access(struct kvm_device *dev, + struct kvm_device_attr *attr, + u64 *reg, bool is_write) { const struct vgic_register_region *region; struct vgic_its *its; @@ -1919,7 +1926,7 @@ static int vgic_its_save_ite(struct vgic_its *its, struct its_device *dev, ((u64)ite->irq->intid << KVM_ITS_ITE_PINTID_SHIFT) | ite->collection->collection_id; val = cpu_to_le64(val); - return kvm_write_guest(kvm, gpa, &val, ite_esz); + return kvm_write_guest_lock(kvm, gpa, &val, ite_esz); } /** @@ -2066,7 +2073,7 @@ static int vgic_its_save_dte(struct vgic_its *its, struct its_device *dev, (itt_addr_field << KVM_ITS_DTE_ITTADDR_SHIFT) | (dev->num_eventid_bits - 1)); val = cpu_to_le64(val); - return kvm_write_guest(kvm, ptr, &val, dte_esz); + return kvm_write_guest_lock(kvm, ptr, &val, dte_esz); } /** @@ -2246,7 +2253,7 @@ static int vgic_its_save_cte(struct vgic_its *its, ((u64)collection->target_addr << KVM_ITS_CTE_RDBASE_SHIFT) | collection->collection_id); val = cpu_to_le64(val); - return kvm_write_guest(its->dev->kvm, gpa, &val, esz); + return kvm_write_guest_lock(its->dev->kvm, gpa, &val, esz); } static int vgic_its_restore_cte(struct vgic_its *its, gpa_t gpa, int esz) @@ -2317,7 +2324,7 @@ static int vgic_its_save_collection_table(struct vgic_its *its) */ val = 0; BUG_ON(cte_esz > sizeof(val)); - ret = kvm_write_guest(its->dev->kvm, gpa, &val, cte_esz); + ret = kvm_write_guest_lock(its->dev->kvm, gpa, &val, cte_esz); return ret; } diff --git a/virt/kvm/arm/vgic/vgic-v3.c b/virt/kvm/arm/vgic/vgic-v3.c index 408a78eb6a97..9f87e58dbd4a 100644 --- a/virt/kvm/arm/vgic/vgic-v3.c +++ b/virt/kvm/arm/vgic/vgic-v3.c @@ -358,7 +358,7 @@ retry: if (status) { /* clear consumed data */ val &= ~(1 << bit_nr); - ret = kvm_write_guest(kvm, ptr, &val, 1); + ret = kvm_write_guest_lock(kvm, ptr, &val, 1); if (ret) return ret; } @@ -409,7 +409,7 @@ int vgic_v3_save_pending_tables(struct kvm *kvm) else val &= ~(1 << bit_nr); - ret = kvm_write_guest(kvm, ptr, &val, 1); + ret = kvm_write_guest_lock(kvm, ptr, &val, 1); if (ret) return ret; } diff --git a/virt/kvm/arm/vgic/vgic.c b/virt/kvm/arm/vgic/vgic.c index abd9c7352677..3af69f2a3866 100644 --- a/virt/kvm/arm/vgic/vgic.c +++ b/virt/kvm/arm/vgic/vgic.c @@ -867,15 +867,21 @@ void kvm_vgic_flush_hwstate(struct kvm_vcpu *vcpu) * either observe the new interrupt before or after doing this check, * and introducing additional synchronization mechanism doesn't change * this. + * + * Note that we still need to go through the whole thing if anything + * can be directly injected (GICv4). */ - if (list_empty(&vcpu->arch.vgic_cpu.ap_list_head)) + if (list_empty(&vcpu->arch.vgic_cpu.ap_list_head) && + !vgic_supports_direct_msis(vcpu->kvm)) return; DEBUG_SPINLOCK_BUG_ON(!irqs_disabled()); - raw_spin_lock(&vcpu->arch.vgic_cpu.ap_list_lock); - vgic_flush_lr_state(vcpu); - raw_spin_unlock(&vcpu->arch.vgic_cpu.ap_list_lock); + if (!list_empty(&vcpu->arch.vgic_cpu.ap_list_head)) { + raw_spin_lock(&vcpu->arch.vgic_cpu.ap_list_lock); + vgic_flush_lr_state(vcpu); + raw_spin_unlock(&vcpu->arch.vgic_cpu.ap_list_lock); + } if (can_access_vgic_from_kernel()) vgic_restore_state(vcpu); diff --git a/virt/kvm/eventfd.c b/virt/kvm/eventfd.c index 4325250afd72..001aeda4c154 100644 --- a/virt/kvm/eventfd.c +++ b/virt/kvm/eventfd.c @@ -214,9 +214,9 @@ irqfd_wakeup(wait_queue_entry_t *wait, unsigned mode, int sync, void *key) if (flags & EPOLLHUP) { /* The eventfd is closing, detach from KVM */ - unsigned long flags; + unsigned long iflags; - spin_lock_irqsave(&kvm->irqfds.lock, flags); + spin_lock_irqsave(&kvm->irqfds.lock, iflags); /* * We must check if someone deactivated the irqfd before @@ -230,7 +230,7 @@ irqfd_wakeup(wait_queue_entry_t *wait, unsigned mode, int sync, void *key) if (irqfd_is_active(irqfd)) irqfd_deactivate(irqfd); - spin_unlock_irqrestore(&kvm->irqfds.lock, flags); + spin_unlock_irqrestore(&kvm->irqfds.lock, iflags); } return 0; diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c index f25aa98a94df..55fe8e20d8fd 100644 --- a/virt/kvm/kvm_main.c +++ b/virt/kvm/kvm_main.c @@ -2905,6 +2905,9 @@ static long kvm_device_ioctl(struct file *filp, unsigned int ioctl, { struct kvm_device *dev = filp->private_data; + if (dev->kvm->mm != current->mm) + return -EIO; + switch (ioctl) { case KVM_SET_DEVICE_ATTR: return kvm_device_ioctl_attr(dev, dev->ops->set_attr, arg); |