diff options
Diffstat (limited to 'include/linux')
217 files changed, 5861 insertions, 1935 deletions
diff --git a/include/linux/acpi.h b/include/linux/acpi.h index a5db4aeefa36..d9099b15b472 100644 --- a/include/linux/acpi.h +++ b/include/linux/acpi.h @@ -44,6 +44,20 @@ #include <acpi/acpi_numa.h> #include <asm/acpi.h> +static inline acpi_handle acpi_device_handle(struct acpi_device *adev) +{ + return adev ? adev->handle : NULL; +} + +#define ACPI_COMPANION(dev) ((dev)->acpi_node.companion) +#define ACPI_COMPANION_SET(dev, adev) ACPI_COMPANION(dev) = (adev) +#define ACPI_HANDLE(dev) acpi_device_handle(ACPI_COMPANION(dev)) + +static inline const char *acpi_dev_name(struct acpi_device *adev) +{ + return dev_name(&adev->dev); +} + enum acpi_irq_model_id { ACPI_IRQ_MODEL_PIC = 0, ACPI_IRQ_MODEL_IOAPIC, @@ -116,7 +130,7 @@ void acpi_numa_arch_fixup(void); #ifdef CONFIG_ACPI_HOTPLUG_CPU /* Arch dependent functions for cpu hotplug support */ -int acpi_map_lsapic(acpi_handle handle, int *pcpu); +int acpi_map_lsapic(acpi_handle handle, int physid, int *pcpu); int acpi_unmap_lsapic(int cpu); #endif /* CONFIG_ACPI_HOTPLUG_CPU */ @@ -294,58 +308,52 @@ void __init acpi_nvs_nosave_s3(void); #endif /* CONFIG_PM_SLEEP */ struct acpi_osc_context { - char *uuid_str; /* uuid string */ + char *uuid_str; /* UUID string */ int rev; - struct acpi_buffer cap; /* arg2/arg3 */ - struct acpi_buffer ret; /* free by caller if success */ + struct acpi_buffer cap; /* list of DWORD capabilities */ + struct acpi_buffer ret; /* free by caller if success */ }; -#define OSC_QUERY_TYPE 0 -#define OSC_SUPPORT_TYPE 1 -#define OSC_CONTROL_TYPE 2 - -/* _OSC DW0 Definition */ -#define OSC_QUERY_ENABLE 1 -#define OSC_REQUEST_ERROR 2 -#define OSC_INVALID_UUID_ERROR 4 -#define OSC_INVALID_REVISION_ERROR 8 -#define OSC_CAPABILITIES_MASK_ERROR 16 - +acpi_status acpi_str_to_uuid(char *str, u8 *uuid); acpi_status acpi_run_osc(acpi_handle handle, struct acpi_osc_context *context); -/* platform-wide _OSC bits */ -#define OSC_SB_PAD_SUPPORT 1 -#define OSC_SB_PPC_OST_SUPPORT 2 -#define OSC_SB_PR3_SUPPORT 4 -#define OSC_SB_HOTPLUG_OST_SUPPORT 8 -#define OSC_SB_APEI_SUPPORT 16 +/* Indexes into _OSC Capabilities Buffer (DWORDs 2 & 3 are device-specific) */ +#define OSC_QUERY_DWORD 0 /* DWORD 1 */ +#define OSC_SUPPORT_DWORD 1 /* DWORD 2 */ +#define OSC_CONTROL_DWORD 2 /* DWORD 3 */ + +/* _OSC Capabilities DWORD 1: Query/Control and Error Returns (generic) */ +#define OSC_QUERY_ENABLE 0x00000001 /* input */ +#define OSC_REQUEST_ERROR 0x00000002 /* return */ +#define OSC_INVALID_UUID_ERROR 0x00000004 /* return */ +#define OSC_INVALID_REVISION_ERROR 0x00000008 /* return */ +#define OSC_CAPABILITIES_MASK_ERROR 0x00000010 /* return */ + +/* Platform-Wide Capabilities _OSC: Capabilities DWORD 2: Support Field */ +#define OSC_SB_PAD_SUPPORT 0x00000001 +#define OSC_SB_PPC_OST_SUPPORT 0x00000002 +#define OSC_SB_PR3_SUPPORT 0x00000004 +#define OSC_SB_HOTPLUG_OST_SUPPORT 0x00000008 +#define OSC_SB_APEI_SUPPORT 0x00000010 +#define OSC_SB_CPC_SUPPORT 0x00000020 extern bool osc_sb_apei_support_acked; -/* PCI defined _OSC bits */ -/* _OSC DW1 Definition (OS Support Fields) */ -#define OSC_EXT_PCI_CONFIG_SUPPORT 1 -#define OSC_ACTIVE_STATE_PWR_SUPPORT 2 -#define OSC_CLOCK_PWR_CAPABILITY_SUPPORT 4 -#define OSC_PCI_SEGMENT_GROUPS_SUPPORT 8 -#define OSC_MSI_SUPPORT 16 -#define OSC_PCI_SUPPORT_MASKS 0x1f - -/* _OSC DW1 Definition (OS Control Fields) */ -#define OSC_PCI_EXPRESS_NATIVE_HP_CONTROL 1 -#define OSC_SHPC_NATIVE_HP_CONTROL 2 -#define OSC_PCI_EXPRESS_PME_CONTROL 4 -#define OSC_PCI_EXPRESS_AER_CONTROL 8 -#define OSC_PCI_EXPRESS_CAP_STRUCTURE_CONTROL 16 - -#define OSC_PCI_CONTROL_MASKS (OSC_PCI_EXPRESS_NATIVE_HP_CONTROL | \ - OSC_SHPC_NATIVE_HP_CONTROL | \ - OSC_PCI_EXPRESS_PME_CONTROL | \ - OSC_PCI_EXPRESS_AER_CONTROL | \ - OSC_PCI_EXPRESS_CAP_STRUCTURE_CONTROL) - -#define OSC_PCI_NATIVE_HOTPLUG (OSC_PCI_EXPRESS_NATIVE_HP_CONTROL | \ - OSC_SHPC_NATIVE_HP_CONTROL) +/* PCI Host Bridge _OSC: Capabilities DWORD 2: Support Field */ +#define OSC_PCI_EXT_CONFIG_SUPPORT 0x00000001 +#define OSC_PCI_ASPM_SUPPORT 0x00000002 +#define OSC_PCI_CLOCK_PM_SUPPORT 0x00000004 +#define OSC_PCI_SEGMENT_GROUPS_SUPPORT 0x00000008 +#define OSC_PCI_MSI_SUPPORT 0x00000010 +#define OSC_PCI_SUPPORT_MASKS 0x0000001f + +/* PCI Host Bridge _OSC: Capabilities DWORD 3: Control Field */ +#define OSC_PCI_EXPRESS_NATIVE_HP_CONTROL 0x00000001 +#define OSC_PCI_SHPC_NATIVE_HP_CONTROL 0x00000002 +#define OSC_PCI_EXPRESS_PME_CONTROL 0x00000004 +#define OSC_PCI_EXPRESS_AER_CONTROL 0x00000008 +#define OSC_PCI_EXPRESS_CAPABILITY_CONTROL 0x00000010 +#define OSC_PCI_CONTROL_MASKS 0x0000001f extern acpi_status acpi_pci_osc_control_set(acpi_handle handle, u32 *mask, u32 req); @@ -407,6 +415,15 @@ static inline bool acpi_driver_match_device(struct device *dev, #define acpi_disabled 1 +#define ACPI_COMPANION(dev) (NULL) +#define ACPI_COMPANION_SET(dev, adev) do { } while (0) +#define ACPI_HANDLE(dev) (NULL) + +static inline const char *acpi_dev_name(struct acpi_device *adev) +{ + return NULL; +} + static inline void acpi_early_init(void) { } static inline int early_acpi_boot_init(void) diff --git a/include/linux/acpi_gpio.h b/include/linux/acpi_gpio.h index 4c120a1e0ca3..d875bc3dba3c 100644 --- a/include/linux/acpi_gpio.h +++ b/include/linux/acpi_gpio.h @@ -2,36 +2,35 @@ #define _LINUX_ACPI_GPIO_H_ #include <linux/device.h> +#include <linux/err.h> #include <linux/errno.h> #include <linux/gpio.h> +#include <linux/gpio/consumer.h> /** * struct acpi_gpio_info - ACPI GPIO specific information * @gpioint: if %true this GPIO is of type GpioInt otherwise type is GpioIo + * @active_low: in case of @gpioint, the pin is active low */ struct acpi_gpio_info { bool gpioint; + bool active_low; }; #ifdef CONFIG_GPIO_ACPI -int acpi_get_gpio(char *path, int pin); -int acpi_get_gpio_by_index(struct device *dev, int index, - struct acpi_gpio_info *info); +struct gpio_desc *acpi_get_gpiod_by_index(struct device *dev, int index, + struct acpi_gpio_info *info); void acpi_gpiochip_request_interrupts(struct gpio_chip *chip); void acpi_gpiochip_free_interrupts(struct gpio_chip *chip); #else /* CONFIG_GPIO_ACPI */ -static inline int acpi_get_gpio(char *path, int pin) +static inline struct gpio_desc * +acpi_get_gpiod_by_index(struct device *dev, int index, + struct acpi_gpio_info *info) { - return -ENODEV; -} - -static inline int acpi_get_gpio_by_index(struct device *dev, int index, - struct acpi_gpio_info *info) -{ - return -ENODEV; + return ERR_PTR(-ENOSYS); } static inline void acpi_gpiochip_request_interrupts(struct gpio_chip *chip) { } @@ -39,4 +38,14 @@ static inline void acpi_gpiochip_free_interrupts(struct gpio_chip *chip) { } #endif /* CONFIG_GPIO_ACPI */ +static inline int acpi_get_gpio_by_index(struct device *dev, int index, + struct acpi_gpio_info *info) +{ + struct gpio_desc *desc = acpi_get_gpiod_by_index(dev, index, info); + + if (IS_ERR(desc)) + return PTR_ERR(desc); + return desc_to_gpio(desc); +} + #endif /* _LINUX_ACPI_GPIO_H_ */ diff --git a/include/linux/amba/bus.h b/include/linux/amba/bus.h index 43ec7e247a80..63b5eff0a80f 100644 --- a/include/linux/amba/bus.h +++ b/include/linux/amba/bus.h @@ -21,7 +21,7 @@ #include <linux/resource.h> #include <linux/regulator/consumer.h> -#define AMBA_NR_IRQS 2 +#define AMBA_NR_IRQS 9 #define AMBA_CID 0xb105f00d struct clk; @@ -30,7 +30,6 @@ struct amba_device { struct device dev; struct resource res; struct clk *pclk; - u64 dma_mask; unsigned int periphid; unsigned int irq[AMBA_NR_IRQS]; }; @@ -131,7 +130,6 @@ struct amba_device name##_device = { \ struct amba_device name##_device = { \ .dev = __AMBA_DEV(busid, data, ~0ULL), \ .res = DEFINE_RES_MEM(base, SZ_4K), \ - .dma_mask = ~0ULL, \ .irq = irqs, \ .periphid = id, \ } diff --git a/include/linux/amba/serial.h b/include/linux/amba/serial.h index 62d9303c2837..0ddb5c02ad8b 100644 --- a/include/linux/amba/serial.h +++ b/include/linux/amba/serial.h @@ -40,7 +40,7 @@ #define UART010_LCRL 0x10 /* Line control register, low byte. */ #define UART010_CR 0x14 /* Control register. */ #define UART01x_FR 0x18 /* Flag register (Read only). */ -#define UART010_IIR 0x1C /* Interrupt indentification register (Read). */ +#define UART010_IIR 0x1C /* Interrupt identification register (Read). */ #define UART010_ICR 0x1C /* Interrupt clear register (Write). */ #define ST_UART011_LCRH_RX 0x1C /* Rx line control register. */ #define UART01x_ILPR 0x20 /* IrDA low power counter register. */ diff --git a/include/linux/anon_inodes.h b/include/linux/anon_inodes.h index cf573c22b81e..8013a45242fe 100644 --- a/include/linux/anon_inodes.h +++ b/include/linux/anon_inodes.h @@ -13,9 +13,6 @@ struct file_operations; struct file *anon_inode_getfile(const char *name, const struct file_operations *fops, void *priv, int flags); -struct file *anon_inode_getfile_private(const char *name, - const struct file_operations *fops, - void *priv, int flags); int anon_inode_getfd(const char *name, const struct file_operations *fops, void *priv, int flags); diff --git a/include/linux/assoc_array.h b/include/linux/assoc_array.h new file mode 100644 index 000000000000..9a193b84238a --- /dev/null +++ b/include/linux/assoc_array.h @@ -0,0 +1,92 @@ +/* Generic associative array implementation. + * + * See Documentation/assoc_array.txt for information. + * + * Copyright (C) 2013 Red Hat, Inc. All Rights Reserved. + * Written by David Howells (dhowells@redhat.com) + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public Licence + * as published by the Free Software Foundation; either version + * 2 of the Licence, or (at your option) any later version. + */ + +#ifndef _LINUX_ASSOC_ARRAY_H +#define _LINUX_ASSOC_ARRAY_H + +#ifdef CONFIG_ASSOCIATIVE_ARRAY + +#include <linux/types.h> + +#define ASSOC_ARRAY_KEY_CHUNK_SIZE BITS_PER_LONG /* Key data retrieved in chunks of this size */ + +/* + * Generic associative array. + */ +struct assoc_array { + struct assoc_array_ptr *root; /* The node at the root of the tree */ + unsigned long nr_leaves_on_tree; +}; + +/* + * Operations on objects and index keys for use by array manipulation routines. + */ +struct assoc_array_ops { + /* Method to get a chunk of an index key from caller-supplied data */ + unsigned long (*get_key_chunk)(const void *index_key, int level); + + /* Method to get a piece of an object's index key */ + unsigned long (*get_object_key_chunk)(const void *object, int level); + + /* Is this the object we're looking for? */ + bool (*compare_object)(const void *object, const void *index_key); + + /* How different are two objects, to a bit position in their keys? (or + * -1 if they're the same) + */ + int (*diff_objects)(const void *a, const void *b); + + /* Method to free an object. */ + void (*free_object)(void *object); +}; + +/* + * Access and manipulation functions. + */ +struct assoc_array_edit; + +static inline void assoc_array_init(struct assoc_array *array) +{ + array->root = NULL; + array->nr_leaves_on_tree = 0; +} + +extern int assoc_array_iterate(const struct assoc_array *array, + int (*iterator)(const void *object, + void *iterator_data), + void *iterator_data); +extern void *assoc_array_find(const struct assoc_array *array, + const struct assoc_array_ops *ops, + const void *index_key); +extern void assoc_array_destroy(struct assoc_array *array, + const struct assoc_array_ops *ops); +extern struct assoc_array_edit *assoc_array_insert(struct assoc_array *array, + const struct assoc_array_ops *ops, + const void *index_key, + void *object); +extern void assoc_array_insert_set_object(struct assoc_array_edit *edit, + void *object); +extern struct assoc_array_edit *assoc_array_delete(struct assoc_array *array, + const struct assoc_array_ops *ops, + const void *index_key); +extern struct assoc_array_edit *assoc_array_clear(struct assoc_array *array, + const struct assoc_array_ops *ops); +extern void assoc_array_apply_edit(struct assoc_array_edit *edit); +extern void assoc_array_cancel_edit(struct assoc_array_edit *edit); +extern int assoc_array_gc(struct assoc_array *array, + const struct assoc_array_ops *ops, + bool (*iterator)(void *object, void *iterator_data), + void *iterator_data); + +#endif /* CONFIG_ASSOCIATIVE_ARRAY */ +#endif /* _LINUX_ASSOC_ARRAY_H */ diff --git a/include/linux/assoc_array_priv.h b/include/linux/assoc_array_priv.h new file mode 100644 index 000000000000..711275e6681c --- /dev/null +++ b/include/linux/assoc_array_priv.h @@ -0,0 +1,182 @@ +/* Private definitions for the generic associative array implementation. + * + * See Documentation/assoc_array.txt for information. + * + * Copyright (C) 2013 Red Hat, Inc. All Rights Reserved. + * Written by David Howells (dhowells@redhat.com) + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public Licence + * as published by the Free Software Foundation; either version + * 2 of the Licence, or (at your option) any later version. + */ + +#ifndef _LINUX_ASSOC_ARRAY_PRIV_H +#define _LINUX_ASSOC_ARRAY_PRIV_H + +#ifdef CONFIG_ASSOCIATIVE_ARRAY + +#include <linux/assoc_array.h> + +#define ASSOC_ARRAY_FAN_OUT 16 /* Number of slots per node */ +#define ASSOC_ARRAY_FAN_MASK (ASSOC_ARRAY_FAN_OUT - 1) +#define ASSOC_ARRAY_LEVEL_STEP (ilog2(ASSOC_ARRAY_FAN_OUT)) +#define ASSOC_ARRAY_LEVEL_STEP_MASK (ASSOC_ARRAY_LEVEL_STEP - 1) +#define ASSOC_ARRAY_KEY_CHUNK_MASK (ASSOC_ARRAY_KEY_CHUNK_SIZE - 1) +#define ASSOC_ARRAY_KEY_CHUNK_SHIFT (ilog2(BITS_PER_LONG)) + +/* + * Undefined type representing a pointer with type information in the bottom + * two bits. + */ +struct assoc_array_ptr; + +/* + * An N-way node in the tree. + * + * Each slot contains one of four things: + * + * (1) Nothing (NULL). + * + * (2) A leaf object (pointer types 0). + * + * (3) A next-level node (pointer type 1, subtype 0). + * + * (4) A shortcut (pointer type 1, subtype 1). + * + * The tree is optimised for search-by-ID, but permits reasonable iteration + * also. + * + * The tree is navigated by constructing an index key consisting of an array of + * segments, where each segment is ilog2(ASSOC_ARRAY_FAN_OUT) bits in size. + * + * The segments correspond to levels of the tree (the first segment is used at + * level 0, the second at level 1, etc.). + */ +struct assoc_array_node { + struct assoc_array_ptr *back_pointer; + u8 parent_slot; + struct assoc_array_ptr *slots[ASSOC_ARRAY_FAN_OUT]; + unsigned long nr_leaves_on_branch; +}; + +/* + * A shortcut through the index space out to where a collection of nodes/leaves + * with the same IDs live. + */ +struct assoc_array_shortcut { + struct assoc_array_ptr *back_pointer; + int parent_slot; + int skip_to_level; + struct assoc_array_ptr *next_node; + unsigned long index_key[]; +}; + +/* + * Preallocation cache. + */ +struct assoc_array_edit { + struct rcu_head rcu; + struct assoc_array *array; + const struct assoc_array_ops *ops; + const struct assoc_array_ops *ops_for_excised_subtree; + struct assoc_array_ptr *leaf; + struct assoc_array_ptr **leaf_p; + struct assoc_array_ptr *dead_leaf; + struct assoc_array_ptr *new_meta[3]; + struct assoc_array_ptr *excised_meta[1]; + struct assoc_array_ptr *excised_subtree; + struct assoc_array_ptr **set_backpointers[ASSOC_ARRAY_FAN_OUT]; + struct assoc_array_ptr *set_backpointers_to; + struct assoc_array_node *adjust_count_on; + long adjust_count_by; + struct { + struct assoc_array_ptr **ptr; + struct assoc_array_ptr *to; + } set[2]; + struct { + u8 *p; + u8 to; + } set_parent_slot[1]; + u8 segment_cache[ASSOC_ARRAY_FAN_OUT + 1]; +}; + +/* + * Internal tree member pointers are marked in the bottom one or two bits to + * indicate what type they are so that we don't have to look behind every + * pointer to see what it points to. + * + * We provide functions to test type annotations and to create and translate + * the annotated pointers. + */ +#define ASSOC_ARRAY_PTR_TYPE_MASK 0x1UL +#define ASSOC_ARRAY_PTR_LEAF_TYPE 0x0UL /* Points to leaf (or nowhere) */ +#define ASSOC_ARRAY_PTR_META_TYPE 0x1UL /* Points to node or shortcut */ +#define ASSOC_ARRAY_PTR_SUBTYPE_MASK 0x2UL +#define ASSOC_ARRAY_PTR_NODE_SUBTYPE 0x0UL +#define ASSOC_ARRAY_PTR_SHORTCUT_SUBTYPE 0x2UL + +static inline bool assoc_array_ptr_is_meta(const struct assoc_array_ptr *x) +{ + return (unsigned long)x & ASSOC_ARRAY_PTR_TYPE_MASK; +} +static inline bool assoc_array_ptr_is_leaf(const struct assoc_array_ptr *x) +{ + return !assoc_array_ptr_is_meta(x); +} +static inline bool assoc_array_ptr_is_shortcut(const struct assoc_array_ptr *x) +{ + return (unsigned long)x & ASSOC_ARRAY_PTR_SUBTYPE_MASK; +} +static inline bool assoc_array_ptr_is_node(const struct assoc_array_ptr *x) +{ + return !assoc_array_ptr_is_shortcut(x); +} + +static inline void *assoc_array_ptr_to_leaf(const struct assoc_array_ptr *x) +{ + return (void *)((unsigned long)x & ~ASSOC_ARRAY_PTR_TYPE_MASK); +} + +static inline +unsigned long __assoc_array_ptr_to_meta(const struct assoc_array_ptr *x) +{ + return (unsigned long)x & + ~(ASSOC_ARRAY_PTR_SUBTYPE_MASK | ASSOC_ARRAY_PTR_TYPE_MASK); +} +static inline +struct assoc_array_node *assoc_array_ptr_to_node(const struct assoc_array_ptr *x) +{ + return (struct assoc_array_node *)__assoc_array_ptr_to_meta(x); +} +static inline +struct assoc_array_shortcut *assoc_array_ptr_to_shortcut(const struct assoc_array_ptr *x) +{ + return (struct assoc_array_shortcut *)__assoc_array_ptr_to_meta(x); +} + +static inline +struct assoc_array_ptr *__assoc_array_x_to_ptr(const void *p, unsigned long t) +{ + return (struct assoc_array_ptr *)((unsigned long)p | t); +} +static inline +struct assoc_array_ptr *assoc_array_leaf_to_ptr(const void *p) +{ + return __assoc_array_x_to_ptr(p, ASSOC_ARRAY_PTR_LEAF_TYPE); +} +static inline +struct assoc_array_ptr *assoc_array_node_to_ptr(const struct assoc_array_node *p) +{ + return __assoc_array_x_to_ptr( + p, ASSOC_ARRAY_PTR_META_TYPE | ASSOC_ARRAY_PTR_NODE_SUBTYPE); +} +static inline +struct assoc_array_ptr *assoc_array_shortcut_to_ptr(const struct assoc_array_shortcut *p) +{ + return __assoc_array_x_to_ptr( + p, ASSOC_ARRAY_PTR_META_TYPE | ASSOC_ARRAY_PTR_SHORTCUT_SUBTYPE); +} + +#endif /* CONFIG_ASSOCIATIVE_ARRAY */ +#endif /* _LINUX_ASSOC_ARRAY_PRIV_H */ diff --git a/include/linux/ata.h b/include/linux/ata.h index bf4c69ca76df..f2f4d8da97c0 100644 --- a/include/linux/ata.h +++ b/include/linux/ata.h @@ -219,6 +219,7 @@ enum { ATA_CMD_IDLE = 0xE3, /* place in idle power mode */ ATA_CMD_EDD = 0x90, /* execute device diagnostic */ ATA_CMD_DOWNLOAD_MICRO = 0x92, + ATA_CMD_DOWNLOAD_MICRO_DMA = 0x93, ATA_CMD_NOP = 0x00, ATA_CMD_FLUSH = 0xE7, ATA_CMD_FLUSH_EXT = 0xEA, @@ -268,12 +269,15 @@ enum { ATA_CMD_WRITE_LOG_EXT = 0x3F, ATA_CMD_READ_LOG_DMA_EXT = 0x47, ATA_CMD_WRITE_LOG_DMA_EXT = 0x57, + ATA_CMD_TRUSTED_NONDATA = 0x5B, ATA_CMD_TRUSTED_RCV = 0x5C, ATA_CMD_TRUSTED_RCV_DMA = 0x5D, ATA_CMD_TRUSTED_SND = 0x5E, ATA_CMD_TRUSTED_SND_DMA = 0x5F, ATA_CMD_PMP_READ = 0xE4, + ATA_CMD_PMP_READ_DMA = 0xE9, ATA_CMD_PMP_WRITE = 0xE8, + ATA_CMD_PMP_WRITE_DMA = 0xEB, ATA_CMD_CONF_OVERLAY = 0xB1, ATA_CMD_SEC_SET_PASS = 0xF1, ATA_CMD_SEC_UNLOCK = 0xF2, @@ -292,6 +296,9 @@ enum { ATA_CMD_CFA_TRANS_SECT = 0x87, ATA_CMD_CFA_ERASE = 0xC0, ATA_CMD_CFA_WRITE_MULT_NE = 0xCD, + ATA_CMD_REQ_SENSE_DATA = 0x0B, + ATA_CMD_SANITIZE_DEVICE = 0xB4, + /* marked obsolete in the ATA/ATAPI-7 spec */ ATA_CMD_RESTORE = 0x10, diff --git a/include/linux/audit.h b/include/linux/audit.h index 729a4d165bcc..a40641954c29 100644 --- a/include/linux/audit.h +++ b/include/linux/audit.h @@ -73,6 +73,8 @@ struct audit_field { void *lsm_rule; }; +extern int is_audit_feature_set(int which); + extern int __init audit_register_class(int class, unsigned *list); extern int audit_classify_syscall(int abi, unsigned syscall); extern int audit_classify_arch(int arch); @@ -207,7 +209,7 @@ static inline int audit_get_sessionid(struct task_struct *tsk) extern void __audit_ipc_obj(struct kern_ipc_perm *ipcp); extern void __audit_ipc_set_perm(unsigned long qbytes, uid_t uid, gid_t gid, umode_t mode); -extern int __audit_bprm(struct linux_binprm *bprm); +extern void __audit_bprm(struct linux_binprm *bprm); extern int __audit_socketcall(int nargs, unsigned long *args); extern int __audit_sockaddr(int len, void *addr); extern void __audit_fd_pair(int fd1, int fd2); @@ -236,11 +238,10 @@ static inline void audit_ipc_set_perm(unsigned long qbytes, uid_t uid, gid_t gid if (unlikely(!audit_dummy_context())) __audit_ipc_set_perm(qbytes, uid, gid, mode); } -static inline int audit_bprm(struct linux_binprm *bprm) +static inline void audit_bprm(struct linux_binprm *bprm) { if (unlikely(!audit_dummy_context())) - return __audit_bprm(bprm); - return 0; + __audit_bprm(bprm); } static inline int audit_socketcall(int nargs, unsigned long *args) { @@ -367,10 +368,8 @@ static inline void audit_ipc_obj(struct kern_ipc_perm *ipcp) static inline void audit_ipc_set_perm(unsigned long qbytes, uid_t uid, gid_t gid, umode_t mode) { } -static inline int audit_bprm(struct linux_binprm *bprm) -{ - return 0; -} +static inline void audit_bprm(struct linux_binprm *bprm) +{ } static inline int audit_socketcall(int nargs, unsigned long *args) { return 0; diff --git a/include/linux/backing-dev.h b/include/linux/backing-dev.h index 5f66d519a726..24819001f5c8 100644 --- a/include/linux/backing-dev.h +++ b/include/linux/backing-dev.h @@ -109,7 +109,7 @@ struct backing_dev_info { #endif }; -int bdi_init(struct backing_dev_info *bdi); +int __must_check bdi_init(struct backing_dev_info *bdi); void bdi_destroy(struct backing_dev_info *bdi); __printf(3, 4) @@ -117,7 +117,7 @@ int bdi_register(struct backing_dev_info *bdi, struct device *parent, const char *fmt, ...); int bdi_register_dev(struct backing_dev_info *bdi, dev_t dev); void bdi_unregister(struct backing_dev_info *bdi); -int bdi_setup_and_register(struct backing_dev_info *, char *, unsigned int); +int __must_check bdi_setup_and_register(struct backing_dev_info *, char *, unsigned int); void bdi_start_writeback(struct backing_dev_info *bdi, long nr_pages, enum wb_reason reason); void bdi_start_background_writeback(struct backing_dev_info *bdi); diff --git a/include/linux/backlight.h b/include/linux/backlight.h index 53b77949c79d..5f9cd963213d 100644 --- a/include/linux/backlight.h +++ b/include/linux/backlight.h @@ -100,6 +100,9 @@ struct backlight_device { /* The framebuffer notifier block */ struct notifier_block fb_notif; + /* list entry of all registered backlight devices */ + struct list_head entry; + struct device dev; }; @@ -123,6 +126,7 @@ extern void devm_backlight_device_unregister(struct device *dev, struct backlight_device *bd); extern void backlight_force_update(struct backlight_device *bd, enum backlight_update_reason reason); +extern bool backlight_device_registered(enum backlight_type type); #define to_backlight_device(obj) container_of(obj, struct backlight_device, dev) diff --git a/include/linux/binfmts.h b/include/linux/binfmts.h index e8112ae50531..fd8bf3219ef7 100644 --- a/include/linux/binfmts.h +++ b/include/linux/binfmts.h @@ -56,11 +56,12 @@ struct linux_binprm { /* Function parameter for binfmt->coredump */ struct coredump_params { - siginfo_t *siginfo; + const siginfo_t *siginfo; struct pt_regs *regs; struct file *file; unsigned long limit; unsigned long mm_flags; + loff_t written; }; /* @@ -99,9 +100,6 @@ extern void setup_new_exec(struct linux_binprm * bprm); extern void would_dump(struct linux_binprm *, struct file *); extern int suid_dumpable; -#define SUID_DUMP_DISABLE 0 /* No setuid dumping */ -#define SUID_DUMP_USER 1 /* Dump as user of process */ -#define SUID_DUMP_ROOT 2 /* Dump as root */ /* Stack area protections */ #define EXSTACK_DEFAULT 0 /* Whatever the arch defaults to */ diff --git a/include/linux/bio.h b/include/linux/bio.h index ec48bac5b039..060ff695085c 100644 --- a/include/linux/bio.h +++ b/include/linux/bio.h @@ -218,6 +218,7 @@ struct bio_pair { }; extern struct bio_pair *bio_split(struct bio *bi, int first_sectors); extern void bio_pair_release(struct bio_pair *dbio); +extern void bio_trim(struct bio *bio, int offset, int size); extern struct bio_set *bioset_create(unsigned int, unsigned int); extern void bioset_free(struct bio_set *); @@ -419,6 +420,8 @@ static inline void bio_list_init(struct bio_list *bl) bl->head = bl->tail = NULL; } +#define BIO_EMPTY_LIST { NULL, NULL } + #define bio_list_for_each(bio, bl) \ for (bio = (bl)->head; bio; bio = bio->bi_next) diff --git a/include/linux/bitops.h b/include/linux/bitops.h index a3b6b82108b9..abc9ca778456 100644 --- a/include/linux/bitops.h +++ b/include/linux/bitops.h @@ -4,12 +4,23 @@ #ifdef __KERNEL__ #define BIT(nr) (1UL << (nr)) +#define BIT_ULL(nr) (1ULL << (nr)) #define BIT_MASK(nr) (1UL << ((nr) % BITS_PER_LONG)) #define BIT_WORD(nr) ((nr) / BITS_PER_LONG) +#define BIT_ULL_MASK(nr) (1ULL << ((nr) % BITS_PER_LONG_LONG)) +#define BIT_ULL_WORD(nr) ((nr) / BITS_PER_LONG_LONG) #define BITS_PER_BYTE 8 #define BITS_TO_LONGS(nr) DIV_ROUND_UP(nr, BITS_PER_BYTE * sizeof(long)) #endif +/* + * Create a contiguous bitmask starting at bit position @l and ending at + * position @h. For example + * GENMASK_ULL(39, 21) gives us the 64bit vector 0x000000ffffe00000. + */ +#define GENMASK(h, l) (((U32_C(1) << ((h) - (l) + 1)) - 1) << (l)) +#define GENMASK_ULL(h, l) (((U64_C(1) << ((h) - (l) + 1)) - 1) << (l)) + extern unsigned int __sw_hweight8(unsigned int w); extern unsigned int __sw_hweight16(unsigned int w); extern unsigned int __sw_hweight32(unsigned int w); diff --git a/include/linux/blk-mq.h b/include/linux/blk-mq.h new file mode 100644 index 000000000000..ab0e9b2025b3 --- /dev/null +++ b/include/linux/blk-mq.h @@ -0,0 +1,183 @@ +#ifndef BLK_MQ_H +#define BLK_MQ_H + +#include <linux/blkdev.h> + +struct blk_mq_tags; + +struct blk_mq_cpu_notifier { + struct list_head list; + void *data; + void (*notify)(void *data, unsigned long action, unsigned int cpu); +}; + +struct blk_mq_hw_ctx { + struct { + spinlock_t lock; + struct list_head dispatch; + } ____cacheline_aligned_in_smp; + + unsigned long state; /* BLK_MQ_S_* flags */ + struct delayed_work delayed_work; + + unsigned long flags; /* BLK_MQ_F_* flags */ + + struct request_queue *queue; + unsigned int queue_num; + + void *driver_data; + + unsigned int nr_ctx; + struct blk_mq_ctx **ctxs; + unsigned int nr_ctx_map; + unsigned long *ctx_map; + + struct request **rqs; + struct list_head page_list; + struct blk_mq_tags *tags; + + unsigned long queued; + unsigned long run; +#define BLK_MQ_MAX_DISPATCH_ORDER 10 + unsigned long dispatched[BLK_MQ_MAX_DISPATCH_ORDER]; + + unsigned int queue_depth; + unsigned int numa_node; + unsigned int cmd_size; /* per-request extra data */ + + struct blk_mq_cpu_notifier cpu_notifier; + struct kobject kobj; +}; + +struct blk_mq_reg { + struct blk_mq_ops *ops; + unsigned int nr_hw_queues; + unsigned int queue_depth; + unsigned int reserved_tags; + unsigned int cmd_size; /* per-request extra data */ + int numa_node; + unsigned int timeout; + unsigned int flags; /* BLK_MQ_F_* */ +}; + +typedef int (queue_rq_fn)(struct blk_mq_hw_ctx *, struct request *); +typedef struct blk_mq_hw_ctx *(map_queue_fn)(struct request_queue *, const int); +typedef struct blk_mq_hw_ctx *(alloc_hctx_fn)(struct blk_mq_reg *,unsigned int); +typedef void (free_hctx_fn)(struct blk_mq_hw_ctx *, unsigned int); +typedef int (init_hctx_fn)(struct blk_mq_hw_ctx *, void *, unsigned int); +typedef void (exit_hctx_fn)(struct blk_mq_hw_ctx *, unsigned int); + +struct blk_mq_ops { + /* + * Queue request + */ + queue_rq_fn *queue_rq; + + /* + * Map to specific hardware queue + */ + map_queue_fn *map_queue; + + /* + * Called on request timeout + */ + rq_timed_out_fn *timeout; + + /* + * Override for hctx allocations (should probably go) + */ + alloc_hctx_fn *alloc_hctx; + free_hctx_fn *free_hctx; + + /* + * Called when the block layer side of a hardware queue has been + * set up, allowing the driver to allocate/init matching structures. + * Ditto for exit/teardown. + */ + init_hctx_fn *init_hctx; + exit_hctx_fn *exit_hctx; +}; + +enum { + BLK_MQ_RQ_QUEUE_OK = 0, /* queued fine */ + BLK_MQ_RQ_QUEUE_BUSY = 1, /* requeue IO for later */ + BLK_MQ_RQ_QUEUE_ERROR = 2, /* end IO with error */ + + BLK_MQ_F_SHOULD_MERGE = 1 << 0, + BLK_MQ_F_SHOULD_SORT = 1 << 1, + BLK_MQ_F_SHOULD_IPI = 1 << 2, + + BLK_MQ_S_STOPPED = 1 << 0, + + BLK_MQ_MAX_DEPTH = 2048, +}; + +struct request_queue *blk_mq_init_queue(struct blk_mq_reg *, void *); +void blk_mq_free_queue(struct request_queue *); +int blk_mq_register_disk(struct gendisk *); +void blk_mq_unregister_disk(struct gendisk *); +void blk_mq_init_commands(struct request_queue *, void (*init)(void *data, struct blk_mq_hw_ctx *, struct request *, unsigned int), void *data); + +void blk_mq_flush_plug_list(struct blk_plug *plug, bool from_schedule); + +void blk_mq_insert_request(struct request_queue *, struct request *, bool); +void blk_mq_run_queues(struct request_queue *q, bool async); +void blk_mq_free_request(struct request *rq); +bool blk_mq_can_queue(struct blk_mq_hw_ctx *); +struct request *blk_mq_alloc_request(struct request_queue *q, int rw, gfp_t gfp, bool reserved); +struct request *blk_mq_alloc_reserved_request(struct request_queue *q, int rw, gfp_t gfp); +struct request *blk_mq_rq_from_tag(struct request_queue *q, unsigned int tag); + +struct blk_mq_hw_ctx *blk_mq_map_queue(struct request_queue *, const int ctx_index); +struct blk_mq_hw_ctx *blk_mq_alloc_single_hw_queue(struct blk_mq_reg *, unsigned int); +void blk_mq_free_single_hw_queue(struct blk_mq_hw_ctx *, unsigned int); + +void blk_mq_end_io(struct request *rq, int error); + +void blk_mq_stop_hw_queue(struct blk_mq_hw_ctx *hctx); +void blk_mq_start_hw_queue(struct blk_mq_hw_ctx *hctx); +void blk_mq_stop_hw_queues(struct request_queue *q); +void blk_mq_start_stopped_hw_queues(struct request_queue *q); + +/* + * Driver command data is immediately after the request. So subtract request + * size to get back to the original request. + */ +static inline struct request *blk_mq_rq_from_pdu(void *pdu) +{ + return pdu - sizeof(struct request); +} +static inline void *blk_mq_rq_to_pdu(struct request *rq) +{ + return (void *) rq + sizeof(*rq); +} + +static inline struct request *blk_mq_tag_to_rq(struct blk_mq_hw_ctx *hctx, + unsigned int tag) +{ + return hctx->rqs[tag]; +} + +#define queue_for_each_hw_ctx(q, hctx, i) \ + for ((i) = 0, hctx = (q)->queue_hw_ctx[0]; \ + (i) < (q)->nr_hw_queues; (i)++, hctx = (q)->queue_hw_ctx[i]) + +#define queue_for_each_ctx(q, ctx, i) \ + for ((i) = 0, ctx = per_cpu_ptr((q)->queue_ctx, 0); \ + (i) < (q)->nr_queues; (i)++, ctx = per_cpu_ptr(q->queue_ctx, (i))) + +#define hctx_for_each_ctx(hctx, ctx, i) \ + for ((i) = 0, ctx = (hctx)->ctxs[0]; \ + (i) < (hctx)->nr_ctx; (i)++, ctx = (hctx)->ctxs[(i)]) + +#define blk_ctx_sum(q, sum) \ +({ \ + struct blk_mq_ctx *__x; \ + unsigned int __ret = 0, __i; \ + \ + queue_for_each_ctx((q), __x, __i) \ + __ret += sum; \ + __ret; \ +}) + +#endif diff --git a/include/linux/blk_types.h b/include/linux/blk_types.h index fa1abeb45b76..238ef0ed62f8 100644 --- a/include/linux/blk_types.h +++ b/include/linux/blk_types.h @@ -178,19 +178,20 @@ enum rq_flag_bits { __REQ_MIXED_MERGE, /* merge of different types, fail separately */ __REQ_KERNEL, /* direct IO to kernel pages */ __REQ_PM, /* runtime pm request */ + __REQ_END, /* last of chain of requests */ __REQ_NR_BITS, /* stops here */ }; -#define REQ_WRITE (1 << __REQ_WRITE) -#define REQ_FAILFAST_DEV (1 << __REQ_FAILFAST_DEV) -#define REQ_FAILFAST_TRANSPORT (1 << __REQ_FAILFAST_TRANSPORT) -#define REQ_FAILFAST_DRIVER (1 << __REQ_FAILFAST_DRIVER) -#define REQ_SYNC (1 << __REQ_SYNC) -#define REQ_META (1 << __REQ_META) -#define REQ_PRIO (1 << __REQ_PRIO) -#define REQ_DISCARD (1 << __REQ_DISCARD) -#define REQ_WRITE_SAME (1 << __REQ_WRITE_SAME) -#define REQ_NOIDLE (1 << __REQ_NOIDLE) +#define REQ_WRITE (1ULL << __REQ_WRITE) +#define REQ_FAILFAST_DEV (1ULL << __REQ_FAILFAST_DEV) +#define REQ_FAILFAST_TRANSPORT (1ULL << __REQ_FAILFAST_TRANSPORT) +#define REQ_FAILFAST_DRIVER (1ULL << __REQ_FAILFAST_DRIVER) +#define REQ_SYNC (1ULL << __REQ_SYNC) +#define REQ_META (1ULL << __REQ_META) +#define REQ_PRIO (1ULL << __REQ_PRIO) +#define REQ_DISCARD (1ULL << __REQ_DISCARD) +#define REQ_WRITE_SAME (1ULL << __REQ_WRITE_SAME) +#define REQ_NOIDLE (1ULL << __REQ_NOIDLE) #define REQ_FAILFAST_MASK \ (REQ_FAILFAST_DEV | REQ_FAILFAST_TRANSPORT | REQ_FAILFAST_DRIVER) @@ -206,28 +207,29 @@ enum rq_flag_bits { #define REQ_NOMERGE_FLAGS \ (REQ_NOMERGE | REQ_STARTED | REQ_SOFTBARRIER | REQ_FLUSH | REQ_FUA) -#define REQ_RAHEAD (1 << __REQ_RAHEAD) -#define REQ_THROTTLED (1 << __REQ_THROTTLED) - -#define REQ_SORTED (1 << __REQ_SORTED) -#define REQ_SOFTBARRIER (1 << __REQ_SOFTBARRIER) -#define REQ_FUA (1 << __REQ_FUA) -#define REQ_NOMERGE (1 << __REQ_NOMERGE) -#define REQ_STARTED (1 << __REQ_STARTED) -#define REQ_DONTPREP (1 << __REQ_DONTPREP) -#define REQ_QUEUED (1 << __REQ_QUEUED) -#define REQ_ELVPRIV (1 << __REQ_ELVPRIV) -#define REQ_FAILED (1 << __REQ_FAILED) -#define REQ_QUIET (1 << __REQ_QUIET) -#define REQ_PREEMPT (1 << __REQ_PREEMPT) -#define REQ_ALLOCED (1 << __REQ_ALLOCED) -#define REQ_COPY_USER (1 << __REQ_COPY_USER) -#define REQ_FLUSH (1 << __REQ_FLUSH) -#define REQ_FLUSH_SEQ (1 << __REQ_FLUSH_SEQ) -#define REQ_IO_STAT (1 << __REQ_IO_STAT) -#define REQ_MIXED_MERGE (1 << __REQ_MIXED_MERGE) -#define REQ_SECURE (1 << __REQ_SECURE) -#define REQ_KERNEL (1 << __REQ_KERNEL) -#define REQ_PM (1 << __REQ_PM) +#define REQ_RAHEAD (1ULL << __REQ_RAHEAD) +#define REQ_THROTTLED (1ULL << __REQ_THROTTLED) + +#define REQ_SORTED (1ULL << __REQ_SORTED) +#define REQ_SOFTBARRIER (1ULL << __REQ_SOFTBARRIER) +#define REQ_FUA (1ULL << __REQ_FUA) +#define REQ_NOMERGE (1ULL << __REQ_NOMERGE) +#define REQ_STARTED (1ULL << __REQ_STARTED) +#define REQ_DONTPREP (1ULL << __REQ_DONTPREP) +#define REQ_QUEUED (1ULL << __REQ_QUEUED) +#define REQ_ELVPRIV (1ULL << __REQ_ELVPRIV) +#define REQ_FAILED (1ULL << __REQ_FAILED) +#define REQ_QUIET (1ULL << __REQ_QUIET) +#define REQ_PREEMPT (1ULL << __REQ_PREEMPT) +#define REQ_ALLOCED (1ULL << __REQ_ALLOCED) +#define REQ_COPY_USER (1ULL << __REQ_COPY_USER) +#define REQ_FLUSH (1ULL << __REQ_FLUSH) +#define REQ_FLUSH_SEQ (1ULL << __REQ_FLUSH_SEQ) +#define REQ_IO_STAT (1ULL << __REQ_IO_STAT) +#define REQ_MIXED_MERGE (1ULL << __REQ_MIXED_MERGE) +#define REQ_SECURE (1ULL << __REQ_SECURE) +#define REQ_KERNEL (1ULL << __REQ_KERNEL) +#define REQ_PM (1ULL << __REQ_PM) +#define REQ_END (1ULL << __REQ_END) #endif /* __LINUX_BLK_TYPES_H */ diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index 0e6f765aa1f5..1b135d49b279 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -8,6 +8,7 @@ #include <linux/major.h> #include <linux/genhd.h> #include <linux/list.h> +#include <linux/llist.h> #include <linux/timer.h> #include <linux/workqueue.h> #include <linux/pagemap.h> @@ -94,12 +95,19 @@ enum rq_cmd_type_bits { * as well! */ struct request { - struct list_head queuelist; - struct call_single_data csd; + union { + struct list_head queuelist; + struct llist_node ll_list; + }; + union { + struct call_single_data csd; + struct work_struct mq_flush_data; + }; struct request_queue *q; + struct blk_mq_ctx *mq_ctx; - unsigned int cmd_flags; + u64 cmd_flags; enum rq_cmd_type_bits cmd_type; unsigned long atomic_flags; @@ -160,8 +168,6 @@ struct request { unsigned short ioprio; - int ref_count; - void *special; /* opaque pointer available for LLD use */ char *buffer; /* kaddr of the current segment if available */ @@ -215,6 +221,8 @@ struct request_pm_state #include <linux/elevator.h> +struct blk_queue_ctx; + typedef void (request_fn_proc) (struct request_queue *q); typedef void (make_request_fn) (struct request_queue *q, struct bio *bio); typedef int (prep_rq_fn) (struct request_queue *, struct request *); @@ -313,6 +321,18 @@ struct request_queue { dma_drain_needed_fn *dma_drain_needed; lld_busy_fn *lld_busy_fn; + struct blk_mq_ops *mq_ops; + + unsigned int *mq_map; + + /* sw queues */ + struct blk_mq_ctx *queue_ctx; + unsigned int nr_queues; + + /* hw dispatch queues */ + struct blk_mq_hw_ctx **queue_hw_ctx; + unsigned int nr_hw_queues; + /* * Dispatch queue sorting */ @@ -361,6 +381,11 @@ struct request_queue { */ struct kobject kobj; + /* + * mq queue kobject + */ + struct kobject mq_kobj; + #ifdef CONFIG_PM_RUNTIME struct device *dev; int rpm_status; @@ -425,7 +450,13 @@ struct request_queue { unsigned long flush_pending_since; struct list_head flush_queue[2]; struct list_head flush_data_in_flight; - struct request flush_rq; + union { + struct request flush_rq; + struct { + spinlock_t mq_flush_lock; + struct work_struct mq_flush_work; + }; + }; struct mutex sysfs_lock; @@ -437,14 +468,14 @@ struct request_queue { struct bsg_class_device bsg_dev; #endif -#ifdef CONFIG_BLK_CGROUP - struct list_head all_q_node; -#endif #ifdef CONFIG_BLK_DEV_THROTTLING /* Throttle data */ struct throtl_data *td; #endif struct rcu_head rcu_head; + wait_queue_head_t mq_freeze_wq; + struct percpu_counter mq_usage_counter; + struct list_head all_q_node; }; #define QUEUE_FLAG_QUEUED 1 /* uses generic tag queueing */ @@ -467,12 +498,16 @@ struct request_queue { #define QUEUE_FLAG_SECDISCARD 17 /* supports SECDISCARD */ #define QUEUE_FLAG_SAME_FORCE 18 /* force complete on same CPU */ #define QUEUE_FLAG_DEAD 19 /* queue tear-down finished */ +#define QUEUE_FLAG_INIT_DONE 20 /* queue is initialized */ #define QUEUE_FLAG_DEFAULT ((1 << QUEUE_FLAG_IO_STAT) | \ (1 << QUEUE_FLAG_STACKABLE) | \ (1 << QUEUE_FLAG_SAME_COMP) | \ (1 << QUEUE_FLAG_ADD_RANDOM)) +#define QUEUE_FLAG_MQ_DEFAULT ((1 << QUEUE_FLAG_IO_STAT) | \ + (1 << QUEUE_FLAG_SAME_COMP)) + static inline void queue_lockdep_assert_held(struct request_queue *q) { if (q->queue_lock) @@ -539,6 +574,7 @@ static inline void queue_flag_clear(unsigned int flag, struct request_queue *q) #define blk_queue_dying(q) test_bit(QUEUE_FLAG_DYING, &(q)->queue_flags) #define blk_queue_dead(q) test_bit(QUEUE_FLAG_DEAD, &(q)->queue_flags) #define blk_queue_bypass(q) test_bit(QUEUE_FLAG_BYPASS, &(q)->queue_flags) +#define blk_queue_init_done(q) test_bit(QUEUE_FLAG_INIT_DONE, &(q)->queue_flags) #define blk_queue_nomerges(q) test_bit(QUEUE_FLAG_NOMERGES, &(q)->queue_flags) #define blk_queue_noxmerges(q) \ test_bit(QUEUE_FLAG_NOXMERGES, &(q)->queue_flags) @@ -570,7 +606,7 @@ static inline void queue_flag_clear(unsigned int flag, struct request_queue *q) #define list_entry_rq(ptr) list_entry((ptr), struct request, queuelist) -#define rq_data_dir(rq) ((rq)->cmd_flags & 1) +#define rq_data_dir(rq) (((rq)->cmd_flags & 1) != 0) static inline unsigned int blk_queue_cluster(struct request_queue *q) { @@ -1013,6 +1049,7 @@ static inline void blk_post_runtime_resume(struct request_queue *q, int err) {} struct blk_plug { unsigned long magic; /* detect uninitialized use-cases */ struct list_head list; /* requests */ + struct list_head mq_list; /* blk-mq requests */ struct list_head cb_list; /* md requires an unplug callback */ }; #define BLK_MAX_REQUEST_COUNT 16 @@ -1050,7 +1087,10 @@ static inline bool blk_needs_flush_plug(struct task_struct *tsk) { struct blk_plug *plug = tsk->plug; - return plug && (!list_empty(&plug->list) || !list_empty(&plug->cb_list)); + return plug && + (!list_empty(&plug->list) || + !list_empty(&plug->mq_list) || + !list_empty(&plug->cb_list)); } /* @@ -1325,6 +1365,7 @@ static inline void put_dev_sector(Sector p) struct work_struct; int kblockd_schedule_work(struct request_queue *q, struct work_struct *work); +int kblockd_schedule_delayed_work(struct request_queue *q, struct delayed_work *dwork, unsigned long delay); #ifdef CONFIG_BLK_CGROUP /* diff --git a/include/linux/blktrace_api.h b/include/linux/blktrace_api.h index 7c2e030e72f1..afc1343df3c7 100644 --- a/include/linux/blktrace_api.h +++ b/include/linux/blktrace_api.h @@ -5,6 +5,7 @@ #include <linux/relay.h> #include <linux/compat.h> #include <uapi/linux/blktrace_api.h> +#include <linux/list.h> #if defined(CONFIG_BLK_DEV_IO_TRACE) @@ -23,6 +24,7 @@ struct blk_trace { struct dentry *dir; struct dentry *dropped_file; struct dentry *msg_file; + struct list_head running_list; atomic_t dropped; }; @@ -87,7 +89,7 @@ static inline int blk_trace_init_sysfs(struct device *dev) #ifdef CONFIG_COMPAT struct compat_blk_user_trace_setup { - char name[32]; + char name[BLKTRACE_BDEV_SIZE]; u16 act_mask; u32 buf_size; u32 buf_nr; diff --git a/include/linux/cgroup.h b/include/linux/cgroup.h index 3561d305b1e0..39c1d9469677 100644 --- a/include/linux/cgroup.h +++ b/include/linux/cgroup.h @@ -612,11 +612,6 @@ struct cgroup_subsys { int subsys_id; int disabled; int early_init; - /* - * True if this subsys uses ID. ID is not available before cgroup_init() - * (not available in early_init time.) - */ - bool use_id; /* * If %false, this subsystem is properly hierarchical - @@ -642,9 +637,6 @@ struct cgroup_subsys { */ struct cgroupfs_root *root; struct list_head sibling; - /* used when use_id == true */ - struct idr idr; - spinlock_t id_lock; /* list of cftype_sets */ struct list_head cftsets; @@ -875,35 +867,6 @@ int css_scan_tasks(struct cgroup_subsys_state *css, int cgroup_attach_task_all(struct task_struct *from, struct task_struct *); int cgroup_transfer_tasks(struct cgroup *to, struct cgroup *from); -/* - * CSS ID is ID for cgroup_subsys_state structs under subsys. This only works - * if cgroup_subsys.use_id == true. It can be used for looking up and scanning. - * CSS ID is assigned at cgroup allocation (create) automatically - * and removed when subsys calls free_css_id() function. This is because - * the lifetime of cgroup_subsys_state is subsys's matter. - * - * Looking up and scanning function should be called under rcu_read_lock(). - * Taking cgroup_mutex is not necessary for following calls. - * But the css returned by this routine can be "not populated yet" or "being - * destroyed". The caller should check css and cgroup's status. - */ - -/* - * Typically Called at ->destroy(), or somewhere the subsys frees - * cgroup_subsys_state. - */ -void free_css_id(struct cgroup_subsys *ss, struct cgroup_subsys_state *css); - -/* Find a cgroup_subsys_state which has given ID */ - -struct cgroup_subsys_state *css_lookup(struct cgroup_subsys *ss, int id); - -/* Returns true if root is ancestor of cg */ -bool css_is_ancestor(struct cgroup_subsys_state *cg, - const struct cgroup_subsys_state *root); - -/* Get id and depth of css */ -unsigned short css_id(struct cgroup_subsys_state *css); struct cgroup_subsys_state *css_from_dir(struct dentry *dentry, struct cgroup_subsys *ss); diff --git a/include/linux/clk-provider.h b/include/linux/clk-provider.h index 73bdb69f0c08..7e59253b8603 100644 --- a/include/linux/clk-provider.h +++ b/include/linux/clk-provider.h @@ -472,6 +472,7 @@ void of_clk_del_provider(struct device_node *np); struct clk *of_clk_src_simple_get(struct of_phandle_args *clkspec, void *data); struct clk *of_clk_src_onecell_get(struct of_phandle_args *clkspec, void *data); +int of_clk_get_parent_count(struct device_node *np); const char *of_clk_get_parent_name(struct device_node *np, int index); void of_clk_init(const struct of_device_id *matches); diff --git a/include/linux/cmdline-parser.h b/include/linux/cmdline-parser.h index 98e892ef6d5a..a0f9280421ec 100644 --- a/include/linux/cmdline-parser.h +++ b/include/linux/cmdline-parser.h @@ -8,6 +8,8 @@ #define CMDLINEPARSEH #include <linux/blkdev.h> +#include <linux/fs.h> +#include <linux/slab.h> /* partition flags */ #define PF_RDONLY 0x01 /* Device is read only */ diff --git a/include/linux/compat.h b/include/linux/compat.h index 345da00a86e0..eb8a49d75ab3 100644 --- a/include/linux/compat.h +++ b/include/linux/compat.h @@ -41,14 +41,14 @@ COMPAT_SYSCALL_DEFINEx(6, _##name, __VA_ARGS__) #define COMPAT_SYSCALL_DEFINEx(x, name, ...) \ - asmlinkage long compat_sys##name(__MAP(x,__SC_DECL,__VA_ARGS__));\ + asmlinkage long compat_sys##name(__MAP(x,__SC_DECL,__VA_ARGS__))\ + __attribute__((alias(__stringify(compat_SyS##name)))); \ static inline long C_SYSC##name(__MAP(x,__SC_DECL,__VA_ARGS__));\ asmlinkage long compat_SyS##name(__MAP(x,__SC_LONG,__VA_ARGS__));\ asmlinkage long compat_SyS##name(__MAP(x,__SC_LONG,__VA_ARGS__))\ { \ return C_SYSC##name(__MAP(x,__SC_DELOUSE,__VA_ARGS__)); \ } \ - SYSCALL_ALIAS(compat_sys##name, compat_SyS##name); \ static inline long C_SYSC##name(__MAP(x,__SC_DECL,__VA_ARGS__)) #ifndef compat_user_stack_pointer @@ -362,7 +362,7 @@ long compat_get_bitmap(unsigned long *mask, const compat_ulong_t __user *umask, long compat_put_bitmap(compat_ulong_t __user *umask, unsigned long *mask, unsigned long bitmap_size); int copy_siginfo_from_user32(siginfo_t *to, struct compat_siginfo __user *from); -int copy_siginfo_to_user32(struct compat_siginfo __user *to, siginfo_t *from); +int copy_siginfo_to_user32(struct compat_siginfo __user *to, const siginfo_t *from); int get_compat_sigevent(struct sigevent *event, const struct compat_sigevent __user *u_event); long compat_sys_rt_tgsigqueueinfo(compat_pid_t tgid, compat_pid_t pid, int sig, diff --git a/include/linux/completion.h b/include/linux/completion.h index 22c33e35bcb2..5d5aaae3af43 100644 --- a/include/linux/completion.h +++ b/include/linux/completion.h @@ -19,8 +19,8 @@ * * See also: complete(), wait_for_completion() (and friends _timeout, * _interruptible, _interruptible_timeout, and _killable), init_completion(), - * and macros DECLARE_COMPLETION(), DECLARE_COMPLETION_ONSTACK(), and - * INIT_COMPLETION(). + * reinit_completion(), and macros DECLARE_COMPLETION(), + * DECLARE_COMPLETION_ONSTACK(). */ struct completion { unsigned int done; @@ -65,7 +65,7 @@ struct completion { /** * init_completion - Initialize a dynamically allocated completion - * @x: completion structure that is to be initialized + * @x: pointer to completion structure that is to be initialized * * This inline function will initialize a dynamically created completion * structure. @@ -76,6 +76,18 @@ static inline void init_completion(struct completion *x) init_waitqueue_head(&x->wait); } +/** + * reinit_completion - reinitialize a completion structure + * @x: pointer to completion structure that is to be reinitialized + * + * This inline function should be used to reinitialize a completion structure so it can + * be reused. This is especially important after complete_all() is used. + */ +static inline void reinit_completion(struct completion *x) +{ + x->done = 0; +} + extern void wait_for_completion(struct completion *); extern void wait_for_completion_io(struct completion *); extern int wait_for_completion_interruptible(struct completion *x); @@ -94,14 +106,4 @@ extern bool completion_done(struct completion *x); extern void complete(struct completion *); extern void complete_all(struct completion *); -/** - * INIT_COMPLETION - reinitialize a completion structure - * @x: completion structure to be reinitialized - * - * This macro should be used to reinitialize a completion structure so it can - * be reused. This is especially important after complete_all() is used. - */ -#define INIT_COMPLETION(x) ((x).done = 0) - - #endif diff --git a/include/linux/coredump.h b/include/linux/coredump.h index a98f1ca60407..d016a121a8c4 100644 --- a/include/linux/coredump.h +++ b/include/linux/coredump.h @@ -10,12 +10,14 @@ * These are the only things you should do on a core-file: use only these * functions to write out all the necessary info. */ -extern int dump_write(struct file *file, const void *addr, int nr); -extern int dump_seek(struct file *file, loff_t off); +struct coredump_params; +extern int dump_skip(struct coredump_params *cprm, size_t nr); +extern int dump_emit(struct coredump_params *cprm, const void *addr, int nr); +extern int dump_align(struct coredump_params *cprm, int align); #ifdef CONFIG_COREDUMP -extern void do_coredump(siginfo_t *siginfo); +extern void do_coredump(const siginfo_t *siginfo); #else -static inline void do_coredump(siginfo_t *siginfo) {} +static inline void do_coredump(const siginfo_t *siginfo) {} #endif #endif /* _LINUX_COREDUMP_H */ diff --git a/include/linux/cper.h b/include/linux/cper.h index c23049496531..2fc0ec3d89cc 100644 --- a/include/linux/cper.h +++ b/include/linux/cper.h @@ -218,8 +218,8 @@ enum { #define CPER_PROC_VALID_IP 0x1000 #define CPER_MEM_VALID_ERROR_STATUS 0x0001 -#define CPER_MEM_VALID_PHYSICAL_ADDRESS 0x0002 -#define CPER_MEM_VALID_PHYSICAL_ADDRESS_MASK 0x0004 +#define CPER_MEM_VALID_PA 0x0002 +#define CPER_MEM_VALID_PA_MASK 0x0004 #define CPER_MEM_VALID_NODE 0x0008 #define CPER_MEM_VALID_CARD 0x0010 #define CPER_MEM_VALID_MODULE 0x0020 @@ -232,6 +232,9 @@ enum { #define CPER_MEM_VALID_RESPONDER_ID 0x1000 #define CPER_MEM_VALID_TARGET_ID 0x2000 #define CPER_MEM_VALID_ERROR_TYPE 0x4000 +#define CPER_MEM_VALID_RANK_NUMBER 0x8000 +#define CPER_MEM_VALID_CARD_HANDLE 0x10000 +#define CPER_MEM_VALID_MODULE_HANDLE 0x20000 #define CPER_PCIE_VALID_PORT_TYPE 0x0001 #define CPER_PCIE_VALID_VERSION 0x0002 @@ -347,6 +350,10 @@ struct cper_sec_mem_err { __u64 responder_id; __u64 target_id; __u8 error_type; + __u8 reserved; + __u16 rank; + __u16 mem_array_handle; /* card handle in UEFI 2.4 */ + __u16 mem_dev_handle; /* module handle in UEFI 2.4 */ }; struct cper_sec_pcie { @@ -389,6 +396,6 @@ struct cper_sec_pcie { u64 cper_next_record_id(void); void cper_print_bits(const char *prefix, unsigned int bits, - const char *strs[], unsigned int strs_size); + const char * const strs[], unsigned int strs_size); #endif diff --git a/include/linux/cpu.h b/include/linux/cpu.h index 801ff9e73679..03e235ad1bba 100644 --- a/include/linux/cpu.h +++ b/include/linux/cpu.h @@ -18,6 +18,7 @@ #include <linux/cpumask.h> struct device; +struct device_node; struct cpu { int node_id; /* The node which contains the CPU */ @@ -29,6 +30,8 @@ extern int register_cpu(struct cpu *cpu, int num); extern struct device *get_cpu_device(unsigned cpu); extern bool cpu_is_hotpluggable(unsigned cpu); extern bool arch_match_cpu_phys_id(int cpu, u64 phys_id); +extern bool arch_find_n_match_cpu_physical_id(struct device_node *cpun, + int cpu, unsigned int *thread); extern int cpu_add_dev_attr(struct device_attribute *attr); extern void cpu_remove_dev_attr(struct device_attribute *attr); @@ -185,19 +188,6 @@ extern void cpu_hotplug_enable(void); void clear_tasks_mm_cpumask(int cpu); int cpu_down(unsigned int cpu); -#ifdef CONFIG_ARCH_CPU_PROBE_RELEASE -extern void cpu_hotplug_driver_lock(void); -extern void cpu_hotplug_driver_unlock(void); -#else -static inline void cpu_hotplug_driver_lock(void) -{ -} - -static inline void cpu_hotplug_driver_unlock(void) -{ -} -#endif - #else /* CONFIG_HOTPLUG_CPU */ static inline void cpu_hotplug_begin(void) {} diff --git a/include/linux/cpufreq.h b/include/linux/cpufreq.h index fcabc42d66ab..dc196bbcf227 100644 --- a/include/linux/cpufreq.h +++ b/include/linux/cpufreq.h @@ -85,6 +85,20 @@ struct cpufreq_policy { struct list_head policy_list; struct kobject kobj; struct completion kobj_unregister; + + /* + * The rules for this semaphore: + * - Any routine that wants to read from the policy structure will + * do a down_read on this semaphore. + * - Any routine that will write to the policy structure and/or may take away + * the policy altogether (eg. CPU hotplug), will hold this lock in write + * mode before doing so. + * + * Additional rules: + * - Lock should not be held across + * __cpufreq_governor(data, CPUFREQ_GOV_POLICY_EXIT); + */ + struct rw_semaphore rwsem; }; /* Only for ACPI */ @@ -93,8 +107,16 @@ struct cpufreq_policy { #define CPUFREQ_SHARED_TYPE_ALL (2) /* All dependent CPUs should set freq */ #define CPUFREQ_SHARED_TYPE_ANY (3) /* Freq can be set from any dependent CPU*/ +#ifdef CONFIG_CPU_FREQ struct cpufreq_policy *cpufreq_cpu_get(unsigned int cpu); void cpufreq_cpu_put(struct cpufreq_policy *policy); +#else +static inline struct cpufreq_policy *cpufreq_cpu_get(unsigned int cpu) +{ + return NULL; +} +static inline void cpufreq_cpu_put(struct cpufreq_policy *policy) { } +#endif static inline bool policy_is_shared(struct cpufreq_policy *policy) { @@ -180,13 +202,6 @@ __ATTR(_name, 0644, show_##_name, store_##_name) struct cpufreq_driver { char name[CPUFREQ_NAME_LEN]; u8 flags; - /* - * This should be set by platforms having multiple clock-domains, i.e. - * supporting multiple policies. With this sysfs directories of governor - * would be created in cpu/cpu<num>/cpufreq/ directory and so they can - * use the same governor with different tunables for different clusters. - */ - bool have_governor_per_policy; /* needed by all drivers */ int (*init) (struct cpufreq_policy *policy); @@ -194,9 +209,11 @@ struct cpufreq_driver { /* define one out of two */ int (*setpolicy) (struct cpufreq_policy *policy); - int (*target) (struct cpufreq_policy *policy, + int (*target) (struct cpufreq_policy *policy, /* Deprecated */ unsigned int target_freq, unsigned int relation); + int (*target_index) (struct cpufreq_policy *policy, + unsigned int index); /* should be defined, if possible */ unsigned int (*get) (unsigned int cpu); @@ -211,13 +228,29 @@ struct cpufreq_driver { }; /* flags */ -#define CPUFREQ_STICKY 0x01 /* the driver isn't removed even if - * all ->init() calls failed */ -#define CPUFREQ_CONST_LOOPS 0x02 /* loops_per_jiffy or other kernel - * "constants" aren't affected by - * frequency transitions */ -#define CPUFREQ_PM_NO_WARN 0x04 /* don't warn on suspend/resume speed - * mismatches */ +#define CPUFREQ_STICKY (1 << 0) /* driver isn't removed even if + all ->init() calls failed */ +#define CPUFREQ_CONST_LOOPS (1 << 1) /* loops_per_jiffy or other + kernel "constants" aren't + affected by frequency + transitions */ +#define CPUFREQ_PM_NO_WARN (1 << 2) /* don't warn on suspend/resume + speed mismatches */ + +/* + * This should be set by platforms having multiple clock-domains, i.e. + * supporting multiple policies. With this sysfs directories of governor would + * be created in cpu/cpu<num>/cpufreq/ directory and so they can use the same + * governor with different tunables for different clusters. + */ +#define CPUFREQ_HAVE_GOVERNOR_PER_POLICY (1 << 3) + +/* + * Driver will do POSTCHANGE notifications from outside of their ->target() + * routine and so must set cpufreq_driver->flags with this flag, so that core + * can handle them specially. + */ +#define CPUFREQ_ASYNC_NOTIFICATION (1 << 4) int cpufreq_register_driver(struct cpufreq_driver *driver_data); int cpufreq_unregister_driver(struct cpufreq_driver *driver_data); @@ -240,6 +273,13 @@ static inline void cpufreq_verify_within_limits(struct cpufreq_policy *policy, return; } +static inline void +cpufreq_verify_within_cpu_limits(struct cpufreq_policy *policy) +{ + cpufreq_verify_within_limits(policy, policy->cpuinfo.min_freq, + policy->cpuinfo.max_freq); +} + /********************************************************************* * CPUFREQ NOTIFIER INTERFACE * *********************************************************************/ @@ -392,6 +432,7 @@ int cpufreq_frequency_table_cpuinfo(struct cpufreq_policy *policy, int cpufreq_frequency_table_verify(struct cpufreq_policy *policy, struct cpufreq_frequency_table *table); +int cpufreq_generic_frequency_table_verify(struct cpufreq_policy *policy); int cpufreq_frequency_table_target(struct cpufreq_policy *policy, struct cpufreq_frequency_table *table, @@ -407,8 +448,20 @@ struct cpufreq_frequency_table *cpufreq_frequency_get_table(unsigned int cpu); /* the following are really really optional */ extern struct freq_attr cpufreq_freq_attr_scaling_available_freqs; +extern struct freq_attr *cpufreq_generic_attr[]; void cpufreq_frequency_table_get_attr(struct cpufreq_frequency_table *table, unsigned int cpu); void cpufreq_frequency_table_put_attr(unsigned int cpu); +int cpufreq_table_validate_and_show(struct cpufreq_policy *policy, + struct cpufreq_frequency_table *table); + +int cpufreq_generic_init(struct cpufreq_policy *policy, + struct cpufreq_frequency_table *table, + unsigned int transition_latency); +static inline int cpufreq_generic_exit(struct cpufreq_policy *policy) +{ + cpufreq_frequency_table_put_attr(policy->cpu); + return 0; +} #endif /* _LINUX_CPUFREQ_H */ diff --git a/include/linux/cpuidle.h b/include/linux/cpuidle.h index 781addc66f03..50fcbb0ac4e7 100644 --- a/include/linux/cpuidle.h +++ b/include/linux/cpuidle.h @@ -114,7 +114,7 @@ struct cpuidle_driver { int safe_state_index; /* the driver handles the cpus in cpumask */ - struct cpumask *cpumask; + struct cpumask *cpumask; }; #ifdef CONFIG_CPU_IDLE @@ -195,16 +195,10 @@ struct cpuidle_governor { }; #ifdef CONFIG_CPU_IDLE - extern int cpuidle_register_governor(struct cpuidle_governor *gov); -extern void cpuidle_unregister_governor(struct cpuidle_governor *gov); - #else - static inline int cpuidle_register_governor(struct cpuidle_governor *gov) {return 0;} -static inline void cpuidle_unregister_governor(struct cpuidle_governor *gov) { } - #endif #ifdef CONFIG_ARCH_HAS_CPU_RELAX diff --git a/include/linux/cpuset.h b/include/linux/cpuset.h index cc1b01cf2035..3fe661fe96d1 100644 --- a/include/linux/cpuset.h +++ b/include/linux/cpuset.h @@ -110,10 +110,14 @@ static inline bool put_mems_allowed(unsigned int seq) static inline void set_mems_allowed(nodemask_t nodemask) { + unsigned long flags; + task_lock(current); + local_irq_save(flags); write_seqcount_begin(¤t->mems_allowed_seq); current->mems_allowed = nodemask; write_seqcount_end(¤t->mems_allowed_seq); + local_irq_restore(flags); task_unlock(current); } diff --git a/include/linux/crc32.h b/include/linux/crc32.h index 68267b64bb98..7d275c4fc011 100644 --- a/include/linux/crc32.h +++ b/include/linux/crc32.h @@ -11,8 +11,48 @@ extern u32 crc32_le(u32 crc, unsigned char const *p, size_t len); extern u32 crc32_be(u32 crc, unsigned char const *p, size_t len); +/** + * crc32_le_combine - Combine two crc32 check values into one. For two + * sequences of bytes, seq1 and seq2 with lengths len1 + * and len2, crc32_le() check values were calculated + * for each, crc1 and crc2. + * + * @crc1: crc32 of the first block + * @crc2: crc32 of the second block + * @len2: length of the second block + * + * Return: The crc32_le() check value of seq1 and seq2 concatenated, + * requiring only crc1, crc2, and len2. Note: If seq_full denotes + * the concatenated memory area of seq1 with seq2, and crc_full + * the crc32_le() value of seq_full, then crc_full == + * crc32_le_combine(crc1, crc2, len2) when crc_full was seeded + * with the same initializer as crc1, and crc2 seed was 0. See + * also crc32_combine_test(). + */ +extern u32 crc32_le_combine(u32 crc1, u32 crc2, size_t len2); + extern u32 __crc32c_le(u32 crc, unsigned char const *p, size_t len); +/** + * __crc32c_le_combine - Combine two crc32c check values into one. For two + * sequences of bytes, seq1 and seq2 with lengths len1 + * and len2, __crc32c_le() check values were calculated + * for each, crc1 and crc2. + * + * @crc1: crc32c of the first block + * @crc2: crc32c of the second block + * @len2: length of the second block + * + * Return: The __crc32c_le() check value of seq1 and seq2 concatenated, + * requiring only crc1, crc2, and len2. Note: If seq_full denotes + * the concatenated memory area of seq1 with seq2, and crc_full + * the __crc32c_le() value of seq_full, then crc_full == + * __crc32c_le_combine(crc1, crc2, len2) when crc_full was + * seeded with the same initializer as crc1, and crc2 seed + * was 0. See also crc32c_combine_test(). + */ +extern u32 __crc32c_le_combine(u32 crc1, u32 crc2, size_t len2); + #define crc32(seed, data, length) crc32_le(seed, (unsigned char const *)(data), length) /* diff --git a/include/linux/dcache.h b/include/linux/dcache.h index 59066e0b4ff1..57e87e749a48 100644 --- a/include/linux/dcache.h +++ b/include/linux/dcache.h @@ -169,13 +169,13 @@ struct dentry_operations { */ /* d_flags entries */ -#define DCACHE_OP_HASH 0x0001 -#define DCACHE_OP_COMPARE 0x0002 -#define DCACHE_OP_REVALIDATE 0x0004 -#define DCACHE_OP_DELETE 0x0008 -#define DCACHE_OP_PRUNE 0x0010 +#define DCACHE_OP_HASH 0x00000001 +#define DCACHE_OP_COMPARE 0x00000002 +#define DCACHE_OP_REVALIDATE 0x00000004 +#define DCACHE_OP_DELETE 0x00000008 +#define DCACHE_OP_PRUNE 0x00000010 -#define DCACHE_DISCONNECTED 0x0020 +#define DCACHE_DISCONNECTED 0x00000020 /* This dentry is possibly not currently connected to the dcache tree, in * which case its parent will either be itself, or will have this flag as * well. nfsd will not use a dentry with this bit set, but will first @@ -186,30 +186,38 @@ struct dentry_operations { * dentry into place and return that dentry rather than the passed one, * typically using d_splice_alias. */ -#define DCACHE_REFERENCED 0x0040 /* Recently used, don't discard. */ -#define DCACHE_RCUACCESS 0x0080 /* Entry has ever been RCU-visible */ +#define DCACHE_REFERENCED 0x00000040 /* Recently used, don't discard. */ +#define DCACHE_RCUACCESS 0x00000080 /* Entry has ever been RCU-visible */ -#define DCACHE_CANT_MOUNT 0x0100 -#define DCACHE_GENOCIDE 0x0200 -#define DCACHE_SHRINK_LIST 0x0400 +#define DCACHE_CANT_MOUNT 0x00000100 +#define DCACHE_GENOCIDE 0x00000200 +#define DCACHE_SHRINK_LIST 0x00000400 -#define DCACHE_OP_WEAK_REVALIDATE 0x0800 +#define DCACHE_OP_WEAK_REVALIDATE 0x00000800 -#define DCACHE_NFSFS_RENAMED 0x1000 +#define DCACHE_NFSFS_RENAMED 0x00001000 /* this dentry has been "silly renamed" and has to be deleted on the last * dput() */ -#define DCACHE_COOKIE 0x2000 /* For use by dcookie subsystem */ -#define DCACHE_FSNOTIFY_PARENT_WATCHED 0x4000 +#define DCACHE_COOKIE 0x00002000 /* For use by dcookie subsystem */ +#define DCACHE_FSNOTIFY_PARENT_WATCHED 0x00004000 /* Parent inode is watched by some fsnotify listener */ -#define DCACHE_MOUNTED 0x10000 /* is a mountpoint */ -#define DCACHE_NEED_AUTOMOUNT 0x20000 /* handle automount on this dir */ -#define DCACHE_MANAGE_TRANSIT 0x40000 /* manage transit from this dirent */ +#define DCACHE_DENTRY_KILLED 0x00008000 + +#define DCACHE_MOUNTED 0x00010000 /* is a mountpoint */ +#define DCACHE_NEED_AUTOMOUNT 0x00020000 /* handle automount on this dir */ +#define DCACHE_MANAGE_TRANSIT 0x00040000 /* manage transit from this dirent */ #define DCACHE_MANAGED_DENTRY \ (DCACHE_MOUNTED|DCACHE_NEED_AUTOMOUNT|DCACHE_MANAGE_TRANSIT) -#define DCACHE_LRU_LIST 0x80000 -#define DCACHE_DENTRY_KILLED 0x100000 +#define DCACHE_LRU_LIST 0x00080000 + +#define DCACHE_ENTRY_TYPE 0x00700000 +#define DCACHE_MISS_TYPE 0x00000000 /* Negative dentry */ +#define DCACHE_DIRECTORY_TYPE 0x00100000 /* Normal directory */ +#define DCACHE_AUTODIR_TYPE 0x00200000 /* Lookupless directory (presumed automount) */ +#define DCACHE_SYMLINK_TYPE 0x00300000 /* Symlink */ +#define DCACHE_FILE_TYPE 0x00400000 /* Other file type */ extern seqlock_t rename_lock; @@ -224,6 +232,7 @@ static inline int dname_external(const struct dentry *dentry) extern void d_instantiate(struct dentry *, struct inode *); extern struct dentry * d_instantiate_unique(struct dentry *, struct inode *); extern struct dentry * d_materialise_unique(struct dentry *, struct inode *); +extern int d_instantiate_no_diralias(struct dentry *, struct inode *); extern void __d_drop(struct dentry *dentry); extern void d_drop(struct dentry *dentry); extern void d_delete(struct dentry *); @@ -393,6 +402,61 @@ static inline bool d_mountpoint(const struct dentry *dentry) return dentry->d_flags & DCACHE_MOUNTED; } +/* + * Directory cache entry type accessor functions. + */ +static inline void __d_set_type(struct dentry *dentry, unsigned type) +{ + dentry->d_flags = (dentry->d_flags & ~DCACHE_ENTRY_TYPE) | type; +} + +static inline void __d_clear_type(struct dentry *dentry) +{ + __d_set_type(dentry, DCACHE_MISS_TYPE); +} + +static inline void d_set_type(struct dentry *dentry, unsigned type) +{ + spin_lock(&dentry->d_lock); + __d_set_type(dentry, type); + spin_unlock(&dentry->d_lock); +} + +static inline unsigned __d_entry_type(const struct dentry *dentry) +{ + return dentry->d_flags & DCACHE_ENTRY_TYPE; +} + +static inline bool d_is_directory(const struct dentry *dentry) +{ + return __d_entry_type(dentry) == DCACHE_DIRECTORY_TYPE; +} + +static inline bool d_is_autodir(const struct dentry *dentry) +{ + return __d_entry_type(dentry) == DCACHE_AUTODIR_TYPE; +} + +static inline bool d_is_symlink(const struct dentry *dentry) +{ + return __d_entry_type(dentry) == DCACHE_SYMLINK_TYPE; +} + +static inline bool d_is_file(const struct dentry *dentry) +{ + return __d_entry_type(dentry) == DCACHE_FILE_TYPE; +} + +static inline bool d_is_negative(const struct dentry *dentry) +{ + return __d_entry_type(dentry) == DCACHE_MISS_TYPE; +} + +static inline bool d_is_positive(const struct dentry *dentry) +{ + return !d_is_negative(dentry); +} + extern int sysctl_vfs_cache_pressure; static inline unsigned long vfs_pressure_ratio(unsigned long val) diff --git a/include/linux/devfreq.h b/include/linux/devfreq.h index 5f1ab92107e6..d48dc00232a4 100644 --- a/include/linux/devfreq.h +++ b/include/linux/devfreq.h @@ -15,7 +15,7 @@ #include <linux/device.h> #include <linux/notifier.h> -#include <linux/opp.h> +#include <linux/pm_opp.h> #define DEVFREQ_NAME_LEN 16 @@ -168,7 +168,7 @@ struct devfreq { unsigned long max_freq; bool stop_polling; - /* information for device freqeuncy transition */ + /* information for device frequency transition */ unsigned int total_trans; unsigned int *trans_table; unsigned long *time_in_state; @@ -187,7 +187,7 @@ extern int devfreq_suspend_device(struct devfreq *devfreq); extern int devfreq_resume_device(struct devfreq *devfreq); /* Helper functions for devfreq user device driver with OPP. */ -extern struct opp *devfreq_recommended_opp(struct device *dev, +extern struct dev_pm_opp *devfreq_recommended_opp(struct device *dev, unsigned long *freq, u32 flags); extern int devfreq_register_opp_notifier(struct device *dev, struct devfreq *devfreq); @@ -238,7 +238,7 @@ static inline int devfreq_resume_device(struct devfreq *devfreq) return 0; } -static inline struct opp *devfreq_recommended_opp(struct device *dev, +static inline struct dev_pm_opp *devfreq_recommended_opp(struct device *dev, unsigned long *freq, u32 flags) { return ERR_PTR(-EINVAL); diff --git a/include/linux/device.h b/include/linux/device.h index b025925df7f7..952b01033c32 100644 --- a/include/linux/device.h +++ b/include/linux/device.h @@ -644,9 +644,11 @@ struct device_dma_parameters { unsigned long segment_boundary_mask; }; +struct acpi_device; + struct acpi_dev_node { #ifdef CONFIG_ACPI - void *handle; + struct acpi_device *companion; #endif }; @@ -790,14 +792,6 @@ static inline struct device *kobj_to_dev(struct kobject *kobj) return container_of(kobj, struct device, kobj); } -#ifdef CONFIG_ACPI -#define ACPI_HANDLE(dev) ((dev)->acpi_node.handle) -#define ACPI_HANDLE_SET(dev, _handle_) (dev)->acpi_node.handle = (_handle_) -#else -#define ACPI_HANDLE(dev) (NULL) -#define ACPI_HANDLE_SET(dev, _handle_) do { } while (0) -#endif - /* Get the wakeup routines, which depend on struct device */ #include <linux/pm_wakeup.h> diff --git a/include/linux/dma-mapping.h b/include/linux/dma-mapping.h index 3a8d0a2af607..fd4aee29ad10 100644 --- a/include/linux/dma-mapping.h +++ b/include/linux/dma-mapping.h @@ -97,6 +97,30 @@ static inline int dma_set_coherent_mask(struct device *dev, u64 mask) } #endif +/* + * Set both the DMA mask and the coherent DMA mask to the same thing. + * Note that we don't check the return value from dma_set_coherent_mask() + * as the DMA API guarantees that the coherent DMA mask can be set to + * the same or smaller than the streaming DMA mask. + */ +static inline int dma_set_mask_and_coherent(struct device *dev, u64 mask) +{ + int rc = dma_set_mask(dev, mask); + if (rc == 0) + dma_set_coherent_mask(dev, mask); + return rc; +} + +/* + * Similar to the above, except it deals with the case where the device + * does not have dev->dma_mask appropriately setup. + */ +static inline int dma_coerce_mask_and_coherent(struct device *dev, u64 mask) +{ + dev->dma_mask = &dev->coherent_dma_mask; + return dma_set_mask_and_coherent(dev, mask); +} + extern u64 dma_get_required_mask(struct device *dev); static inline unsigned int dma_get_max_seg_size(struct device *dev) @@ -129,6 +153,13 @@ static inline int dma_set_seg_boundary(struct device *dev, unsigned long mask) return -EIO; } +#ifndef dma_max_pfn +static inline unsigned long dma_max_pfn(struct device *dev) +{ + return *dev->dma_mask >> PAGE_SHIFT; +} +#endif + static inline void *dma_zalloc_coherent(struct device *dev, size_t size, dma_addr_t *dma_handle, gfp_t flag) { diff --git a/include/linux/dmaengine.h b/include/linux/dmaengine.h index 0bc727534108..41cf0c399288 100644 --- a/include/linux/dmaengine.h +++ b/include/linux/dmaengine.h @@ -45,13 +45,13 @@ static inline int dma_submit_error(dma_cookie_t cookie) /** * enum dma_status - DMA transaction status - * @DMA_SUCCESS: transaction completed successfully + * @DMA_COMPLETE: transaction completed * @DMA_IN_PROGRESS: transaction not yet processed * @DMA_PAUSED: transaction is paused * @DMA_ERROR: transaction failed */ enum dma_status { - DMA_SUCCESS, + DMA_COMPLETE, DMA_IN_PROGRESS, DMA_PAUSED, DMA_ERROR, @@ -171,12 +171,6 @@ struct dma_interleaved_template { * @DMA_CTRL_ACK - if clear, the descriptor cannot be reused until the client * acknowledges receipt, i.e. has has a chance to establish any dependency * chains - * @DMA_COMPL_SKIP_SRC_UNMAP - set to disable dma-unmapping the source buffer(s) - * @DMA_COMPL_SKIP_DEST_UNMAP - set to disable dma-unmapping the destination(s) - * @DMA_COMPL_SRC_UNMAP_SINGLE - set to do the source dma-unmapping as single - * (if not set, do the source dma-unmapping as page) - * @DMA_COMPL_DEST_UNMAP_SINGLE - set to do the destination dma-unmapping as single - * (if not set, do the destination dma-unmapping as page) * @DMA_PREP_PQ_DISABLE_P - prevent generation of P while generating Q * @DMA_PREP_PQ_DISABLE_Q - prevent generation of Q while generating P * @DMA_PREP_CONTINUE - indicate to a driver that it is reusing buffers as @@ -188,14 +182,10 @@ struct dma_interleaved_template { enum dma_ctrl_flags { DMA_PREP_INTERRUPT = (1 << 0), DMA_CTRL_ACK = (1 << 1), - DMA_COMPL_SKIP_SRC_UNMAP = (1 << 2), - DMA_COMPL_SKIP_DEST_UNMAP = (1 << 3), - DMA_COMPL_SRC_UNMAP_SINGLE = (1 << 4), - DMA_COMPL_DEST_UNMAP_SINGLE = (1 << 5), - DMA_PREP_PQ_DISABLE_P = (1 << 6), - DMA_PREP_PQ_DISABLE_Q = (1 << 7), - DMA_PREP_CONTINUE = (1 << 8), - DMA_PREP_FENCE = (1 << 9), + DMA_PREP_PQ_DISABLE_P = (1 << 2), + DMA_PREP_PQ_DISABLE_Q = (1 << 3), + DMA_PREP_CONTINUE = (1 << 4), + DMA_PREP_FENCE = (1 << 5), }; /** @@ -413,6 +403,17 @@ void dma_chan_cleanup(struct kref *kref); typedef bool (*dma_filter_fn)(struct dma_chan *chan, void *filter_param); typedef void (*dma_async_tx_callback)(void *dma_async_param); + +struct dmaengine_unmap_data { + u8 to_cnt; + u8 from_cnt; + u8 bidi_cnt; + struct device *dev; + struct kref kref; + size_t len; + dma_addr_t addr[0]; +}; + /** * struct dma_async_tx_descriptor - async transaction descriptor * ---dma generic offload fields--- @@ -438,6 +439,7 @@ struct dma_async_tx_descriptor { dma_cookie_t (*tx_submit)(struct dma_async_tx_descriptor *tx); dma_async_tx_callback callback; void *callback_param; + struct dmaengine_unmap_data *unmap; #ifdef CONFIG_ASYNC_TX_ENABLE_CHANNEL_SWITCH struct dma_async_tx_descriptor *next; struct dma_async_tx_descriptor *parent; @@ -445,6 +447,40 @@ struct dma_async_tx_descriptor { #endif }; +#ifdef CONFIG_DMA_ENGINE +static inline void dma_set_unmap(struct dma_async_tx_descriptor *tx, + struct dmaengine_unmap_data *unmap) +{ + kref_get(&unmap->kref); + tx->unmap = unmap; +} + +struct dmaengine_unmap_data * +dmaengine_get_unmap_data(struct device *dev, int nr, gfp_t flags); +void dmaengine_unmap_put(struct dmaengine_unmap_data *unmap); +#else +static inline void dma_set_unmap(struct dma_async_tx_descriptor *tx, + struct dmaengine_unmap_data *unmap) +{ +} +static inline struct dmaengine_unmap_data * +dmaengine_get_unmap_data(struct device *dev, int nr, gfp_t flags) +{ + return NULL; +} +static inline void dmaengine_unmap_put(struct dmaengine_unmap_data *unmap) +{ +} +#endif + +static inline void dma_descriptor_unmap(struct dma_async_tx_descriptor *tx) +{ + if (tx->unmap) { + dmaengine_unmap_put(tx->unmap); + tx->unmap = NULL; + } +} + #ifndef CONFIG_ASYNC_TX_ENABLE_CHANNEL_SWITCH static inline void txd_lock(struct dma_async_tx_descriptor *txd) { @@ -979,10 +1015,10 @@ static inline enum dma_status dma_async_is_complete(dma_cookie_t cookie, { if (last_complete <= last_used) { if ((cookie <= last_complete) || (cookie > last_used)) - return DMA_SUCCESS; + return DMA_COMPLETE; } else { if ((cookie <= last_complete) && (cookie > last_used)) - return DMA_SUCCESS; + return DMA_COMPLETE; } return DMA_IN_PROGRESS; } @@ -1013,11 +1049,11 @@ static inline struct dma_chan *dma_find_channel(enum dma_transaction_type tx_typ } static inline enum dma_status dma_sync_wait(struct dma_chan *chan, dma_cookie_t cookie) { - return DMA_SUCCESS; + return DMA_COMPLETE; } static inline enum dma_status dma_wait_for_async_tx(struct dma_async_tx_descriptor *tx) { - return DMA_SUCCESS; + return DMA_COMPLETE; } static inline void dma_issue_pending_all(void) { diff --git a/include/linux/dmi.h b/include/linux/dmi.h index b6eb7a05d58e..f820f0a336c9 100644 --- a/include/linux/dmi.h +++ b/include/linux/dmi.h @@ -99,6 +99,7 @@ extern const char * dmi_get_system_info(int field); extern const struct dmi_device * dmi_find_device(int type, const char *name, const struct dmi_device *from); extern void dmi_scan_machine(void); +extern void dmi_memdev_walk(void); extern void dmi_set_dump_stack_arch_desc(void); extern bool dmi_get_date(int field, int *yearp, int *monthp, int *dayp); extern int dmi_name_in_vendors(const char *str); @@ -107,6 +108,7 @@ extern int dmi_available; extern int dmi_walk(void (*decode)(const struct dmi_header *, void *), void *private_data); extern bool dmi_match(enum dmi_field f, const char *str); +extern void dmi_memdev_name(u16 handle, const char **bank, const char **device); #else @@ -115,6 +117,7 @@ static inline const char * dmi_get_system_info(int field) { return NULL; } static inline const struct dmi_device * dmi_find_device(int type, const char *name, const struct dmi_device *from) { return NULL; } static inline void dmi_scan_machine(void) { return; } +static inline void dmi_memdev_walk(void) { } static inline void dmi_set_dump_stack_arch_desc(void) { } static inline bool dmi_get_date(int field, int *yearp, int *monthp, int *dayp) { @@ -133,6 +136,8 @@ static inline int dmi_walk(void (*decode)(const struct dmi_header *, void *), void *private_data) { return -1; } static inline bool dmi_match(enum dmi_field f, const char *str) { return false; } +static inline void dmi_memdev_name(u16 handle, const char **bank, + const char **device) { } static inline const struct dmi_system_id * dmi_first_match(const struct dmi_system_id *list) { return NULL; } diff --git a/include/linux/edac.h b/include/linux/edac.h index 5c6d7fbaf89e..dbdffe8d4469 100644 --- a/include/linux/edac.h +++ b/include/linux/edac.h @@ -51,7 +51,7 @@ static inline void opstate_init(void) #define EDAC_MC_LABEL_LEN 31 /* Maximum size of the location string */ -#define LOCATION_SIZE 80 +#define LOCATION_SIZE 256 /* Defines the maximum number of labels that can be reported */ #define EDAC_MAX_LABELS 8 diff --git a/include/linux/efi.h b/include/linux/efi.h index 5f8f176154f7..bc5687d0f315 100644 --- a/include/linux/efi.h +++ b/include/linux/efi.h @@ -39,6 +39,8 @@ typedef unsigned long efi_status_t; typedef u8 efi_bool_t; typedef u16 efi_char16_t; /* UNICODE character */ +typedef u64 efi_physical_addr_t; +typedef void *efi_handle_t; typedef struct { @@ -96,6 +98,7 @@ typedef struct { #define EFI_MEMORY_DESCRIPTOR_VERSION 1 #define EFI_PAGE_SHIFT 12 +#define EFI_PAGE_SIZE (1UL << EFI_PAGE_SHIFT) typedef struct { u32 type; @@ -157,11 +160,13 @@ typedef struct { efi_table_hdr_t hdr; void *raise_tpl; void *restore_tpl; - void *allocate_pages; - void *free_pages; - void *get_memory_map; - void *allocate_pool; - void *free_pool; + efi_status_t (*allocate_pages)(int, int, unsigned long, + efi_physical_addr_t *); + efi_status_t (*free_pages)(efi_physical_addr_t, unsigned long); + efi_status_t (*get_memory_map)(unsigned long *, void *, unsigned long *, + unsigned long *, u32 *); + efi_status_t (*allocate_pool)(int, unsigned long, void **); + efi_status_t (*free_pool)(void *); void *create_event; void *set_timer; void *wait_for_event; @@ -171,7 +176,7 @@ typedef struct { void *install_protocol_interface; void *reinstall_protocol_interface; void *uninstall_protocol_interface; - void *handle_protocol; + efi_status_t (*handle_protocol)(efi_handle_t, efi_guid_t *, void **); void *__reserved; void *register_protocol_notify; void *locate_handle; @@ -181,7 +186,7 @@ typedef struct { void *start_image; void *exit; void *unload_image; - void *exit_boot_services; + efi_status_t (*exit_boot_services)(efi_handle_t, unsigned long); void *get_next_monotonic_count; void *stall; void *set_watchdog_timer; @@ -404,6 +409,12 @@ typedef struct { unsigned long table; } efi_config_table_t; +typedef struct { + efi_guid_t guid; + const char *name; + unsigned long *ptr; +} efi_config_table_type_t; + #define EFI_SYSTEM_TABLE_SIGNATURE ((u64)0x5453595320494249ULL) #define EFI_2_30_SYSTEM_TABLE_REVISION ((2 << 16) | (30)) @@ -488,10 +499,6 @@ typedef struct { unsigned long unload; } efi_loaded_image_t; -typedef struct { - u64 revision; - void *open_volume; -} efi_file_io_interface_t; typedef struct { u64 size; @@ -504,20 +511,30 @@ typedef struct { efi_char16_t filename[1]; } efi_file_info_t; -typedef struct { +typedef struct _efi_file_handle { u64 revision; - void *open; - void *close; + efi_status_t (*open)(struct _efi_file_handle *, + struct _efi_file_handle **, + efi_char16_t *, u64, u64); + efi_status_t (*close)(struct _efi_file_handle *); void *delete; - void *read; + efi_status_t (*read)(struct _efi_file_handle *, unsigned long *, + void *); void *write; void *get_position; void *set_position; - void *get_info; + efi_status_t (*get_info)(struct _efi_file_handle *, efi_guid_t *, + unsigned long *, void *); void *set_info; void *flush; } efi_file_handle_t; +typedef struct _efi_file_io_interface { + u64 revision; + int (*open_volume)(struct _efi_file_io_interface *, + efi_file_handle_t **); +} efi_file_io_interface_t; + #define EFI_FILE_MODE_READ 0x0000000000000001 #define EFI_FILE_MODE_WRITE 0x0000000000000002 #define EFI_FILE_MODE_CREATE 0x8000000000000000 @@ -552,6 +569,7 @@ extern struct efi { efi_get_next_high_mono_count_t *get_next_high_mono_count; efi_reset_system_t *reset_system; efi_set_virtual_address_map_t *set_virtual_address_map; + struct efi_memory_map *memmap; } efi; static inline int @@ -587,6 +605,7 @@ static inline efi_status_t efi_query_variable_store(u32 attributes, unsigned lon } #endif extern void __iomem *efi_lookup_mapped_addr(u64 phys_addr); +extern int efi_config_init(efi_config_table_type_t *arch_tables); extern u64 efi_get_iobase (void); extern u32 efi_mem_type (unsigned long phys_addr); extern u64 efi_mem_attributes (unsigned long phys_addr); @@ -784,6 +803,13 @@ struct efivar_entry { struct kobject kobj; }; + +struct efi_simple_text_output_protocol { + void *reset; + efi_status_t (*output_string)(void *, void *); + void *test_string; +}; + extern struct list_head efivar_sysfs_list; static inline void diff --git a/include/linux/elf.h b/include/linux/elf.h index 40a3c0e01b2b..67a5fa7830c4 100644 --- a/include/linux/elf.h +++ b/include/linux/elf.h @@ -39,13 +39,13 @@ extern Elf64_Dyn _DYNAMIC []; /* Optional callbacks to write extra ELF notes. */ struct file; +struct coredump_params; #ifndef ARCH_HAVE_EXTRA_ELF_NOTES static inline int elf_coredump_extra_notes_size(void) { return 0; } -static inline int elf_coredump_extra_notes_write(struct file *file, - loff_t *foffset) { return 0; } +static inline int elf_coredump_extra_notes_write(struct coredump_params *cprm) { return 0; } #else extern int elf_coredump_extra_notes_size(void); -extern int elf_coredump_extra_notes_write(struct file *file, loff_t *foffset); +extern int elf_coredump_extra_notes_write(struct coredump_params *cprm); #endif #endif /* _LINUX_ELF_H */ diff --git a/include/linux/elfcore.h b/include/linux/elfcore.h index cdd3d13efce7..698d51a0eea3 100644 --- a/include/linux/elfcore.h +++ b/include/linux/elfcore.h @@ -6,6 +6,8 @@ #include <asm/elf.h> #include <uapi/linux/elfcore.h> +struct coredump_params; + static inline void elf_core_copy_regs(elf_gregset_t *elfregs, struct pt_regs *regs) { #ifdef ELF_CORE_COPY_REGS @@ -63,10 +65,9 @@ static inline int elf_core_copy_task_xfpregs(struct task_struct *t, elf_fpxregse */ extern Elf_Half elf_core_extra_phdrs(void); extern int -elf_core_write_extra_phdrs(struct file *file, loff_t offset, size_t *size, - unsigned long limit); +elf_core_write_extra_phdrs(struct coredump_params *cprm, loff_t offset); extern int -elf_core_write_extra_data(struct file *file, size_t *size, unsigned long limit); +elf_core_write_extra_data(struct coredump_params *cprm); extern size_t elf_core_extra_data_size(void); #endif /* _LINUX_ELFCORE_H */ diff --git a/include/linux/etherdevice.h b/include/linux/etherdevice.h index d8b512496e50..fc4a9aa7dd82 100644 --- a/include/linux/etherdevice.h +++ b/include/linux/etherdevice.h @@ -28,27 +28,24 @@ #include <asm/unaligned.h> #ifdef __KERNEL__ -extern __be16 eth_type_trans(struct sk_buff *skb, struct net_device *dev); +__be16 eth_type_trans(struct sk_buff *skb, struct net_device *dev); extern const struct header_ops eth_header_ops; -extern int eth_header(struct sk_buff *skb, struct net_device *dev, - unsigned short type, - const void *daddr, const void *saddr, unsigned len); -extern int eth_rebuild_header(struct sk_buff *skb); -extern int eth_header_parse(const struct sk_buff *skb, unsigned char *haddr); -extern int eth_header_cache(const struct neighbour *neigh, struct hh_cache *hh, __be16 type); -extern void eth_header_cache_update(struct hh_cache *hh, - const struct net_device *dev, - const unsigned char *haddr); -extern int eth_prepare_mac_addr_change(struct net_device *dev, void *p); -extern void eth_commit_mac_addr_change(struct net_device *dev, void *p); -extern int eth_mac_addr(struct net_device *dev, void *p); -extern int eth_change_mtu(struct net_device *dev, int new_mtu); -extern int eth_validate_addr(struct net_device *dev); - - - -extern struct net_device *alloc_etherdev_mqs(int sizeof_priv, unsigned int txqs, +int eth_header(struct sk_buff *skb, struct net_device *dev, unsigned short type, + const void *daddr, const void *saddr, unsigned len); +int eth_rebuild_header(struct sk_buff *skb); +int eth_header_parse(const struct sk_buff *skb, unsigned char *haddr); +int eth_header_cache(const struct neighbour *neigh, struct hh_cache *hh, + __be16 type); +void eth_header_cache_update(struct hh_cache *hh, const struct net_device *dev, + const unsigned char *haddr); +int eth_prepare_mac_addr_change(struct net_device *dev, void *p); +void eth_commit_mac_addr_change(struct net_device *dev, void *p); +int eth_mac_addr(struct net_device *dev, void *p); +int eth_change_mtu(struct net_device *dev, int new_mtu); +int eth_validate_addr(struct net_device *dev); + +struct net_device *alloc_etherdev_mqs(int sizeof_priv, unsigned int txqs, unsigned int rxqs); #define alloc_etherdev(sizeof_priv) alloc_etherdev_mq(sizeof_priv, 1) #define alloc_etherdev_mq(sizeof_priv, count) alloc_etherdev_mqs(sizeof_priv, count, count) diff --git a/include/linux/export.h b/include/linux/export.h index 412cd509effe..3f2793d51899 100644 --- a/include/linux/export.h +++ b/include/linux/export.h @@ -43,7 +43,7 @@ extern struct module __this_module; /* Mark the CRC weak since genksyms apparently decides not to * generate a checksums for some symbols */ #define __CRC_SYMBOL(sym, sec) \ - extern void *__crc_##sym __attribute__((weak)); \ + extern __visible void *__crc_##sym __attribute__((weak)); \ static const unsigned long __kcrctab_##sym \ __used \ __attribute__((section("___kcrctab" sec "+" #sym), unused)) \ @@ -59,7 +59,7 @@ extern struct module __this_module; static const char __kstrtab_##sym[] \ __attribute__((section("__ksymtab_strings"), aligned(1))) \ = VMLINUX_SYMBOL_STR(sym); \ - static const struct kernel_symbol __ksymtab_##sym \ + __visible const struct kernel_symbol __ksymtab_##sym \ __used \ __attribute__((section("___ksymtab" sec "+" #sym), unused)) \ = { (unsigned long)&sym, __kstrtab_##sym } diff --git a/include/linux/fb.h b/include/linux/fb.h index ffac70aab3e9..70c4836e4a9f 100644 --- a/include/linux/fb.h +++ b/include/linux/fb.h @@ -792,4 +792,16 @@ extern int fb_find_mode(struct fb_var_screeninfo *var, const struct fb_videomode *default_mode, unsigned int default_bpp); +/* Convenience logging macros */ +#define fb_err(fb_info, fmt, ...) \ + pr_err("fb%d: " fmt, (fb_info)->node, ##__VA_ARGS__) +#define fb_notice(info, fmt, ...) \ + pr_notice("fb%d: " fmt, (fb_info)->node, ##__VA_ARGS__) +#define fb_warn(fb_info, fmt, ...) \ + pr_warn("fb%d: " fmt, (fb_info)->node, ##__VA_ARGS__) +#define fb_info(fb_info, fmt, ...) \ + pr_info("fb%d: " fmt, (fb_info)->node, ##__VA_ARGS__) +#define fb_dbg(fb_info, fmt, ...) \ + pr_debug("fb%d: " fmt, (fb_info)->node, ##__VA_ARGS__) + #endif /* _LINUX_FB_H */ diff --git a/include/linux/fcdevice.h b/include/linux/fcdevice.h index e460ef831984..5009fa16b5d8 100644 --- a/include/linux/fcdevice.h +++ b/include/linux/fcdevice.h @@ -27,7 +27,7 @@ #include <linux/if_fc.h> #ifdef __KERNEL__ -extern struct net_device *alloc_fcdev(int sizeof_priv); +struct net_device *alloc_fcdev(int sizeof_priv); #endif #endif /* _LINUX_FCDEVICE_H */ diff --git a/include/linux/fddidevice.h b/include/linux/fddidevice.h index 155bafd9e886..9a79f0106da1 100644 --- a/include/linux/fddidevice.h +++ b/include/linux/fddidevice.h @@ -25,10 +25,9 @@ #include <linux/if_fddi.h> #ifdef __KERNEL__ -extern __be16 fddi_type_trans(struct sk_buff *skb, - struct net_device *dev); -extern int fddi_change_mtu(struct net_device *dev, int new_mtu); -extern struct net_device *alloc_fddidev(int sizeof_priv); +__be16 fddi_type_trans(struct sk_buff *skb, struct net_device *dev); +int fddi_change_mtu(struct net_device *dev, int new_mtu); +struct net_device *alloc_fddidev(int sizeof_priv); #endif #endif /* _LINUX_FDDIDEVICE_H */ diff --git a/include/linux/fs.h b/include/linux/fs.h index 955dff5da56a..121f11f001c0 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -623,10 +623,13 @@ static inline int inode_unhashed(struct inode *inode) * 0: the object of the current VFS operation * 1: parent * 2: child/target - * 3: quota file + * 3: xattr + * 4: second non-directory + * The last is for certain operations (such as rename) which lock two + * non-directories at once. * * The locking order between these classes is - * parent -> child -> normal -> xattr -> quota + * parent -> child -> normal -> xattr -> second non-directory */ enum inode_i_mutex_lock_class { @@ -634,9 +637,12 @@ enum inode_i_mutex_lock_class I_MUTEX_PARENT, I_MUTEX_CHILD, I_MUTEX_XATTR, - I_MUTEX_QUOTA + I_MUTEX_NONDIR2 }; +void lock_two_nondirectories(struct inode *, struct inode*); +void unlock_two_nondirectories(struct inode *, struct inode*); + /* * NOTE: in a 32bit arch with a preemptable kernel and * an UP compile the i_size_read/write must be atomic @@ -764,12 +770,7 @@ static inline int ra_has_index(struct file_ra_state *ra, pgoff_t index) #define FILE_MNT_WRITE_RELEASED 2 struct file { - /* - * fu_list becomes invalid after file_free is called and queued via - * fu_rcuhead for RCU freeing - */ union { - struct list_head fu_list; struct llist_node fu_llist; struct rcu_head fu_rcuhead; } f_u; @@ -783,9 +784,6 @@ struct file { * Must not be taken from IRQ context. */ spinlock_t f_lock; -#ifdef CONFIG_SMP - int f_sb_list_cpu; -#endif atomic_long_t f_count; unsigned int f_flags; fmode_t f_mode; @@ -882,6 +880,7 @@ static inline int file_check_writeable(struct file *filp) #define FL_POSIX 1 #define FL_FLOCK 2 +#define FL_DELEG 4 /* NFSv4 delegation */ #define FL_ACCESS 8 /* not trying to lock, just looking */ #define FL_EXISTS 16 /* when unlocking, test for existence */ #define FL_LEASE 32 /* lease held on this file */ @@ -1023,7 +1022,7 @@ extern int vfs_test_lock(struct file *, struct file_lock *); extern int vfs_lock_file(struct file *, unsigned int, struct file_lock *, struct file_lock *); extern int vfs_cancel_lock(struct file *filp, struct file_lock *fl); extern int flock_lock_file_wait(struct file *filp, struct file_lock *fl); -extern int __break_lease(struct inode *inode, unsigned int flags); +extern int __break_lease(struct inode *inode, unsigned int flags, unsigned int type); extern void lease_get_mtime(struct inode *, struct timespec *time); extern int generic_setlease(struct file *, long, struct file_lock **); extern int vfs_setlease(struct file *, long, struct file_lock **); @@ -1132,7 +1131,7 @@ static inline int flock_lock_file_wait(struct file *filp, return -ENOLCK; } -static inline int __break_lease(struct inode *inode, unsigned int mode) +static inline int __break_lease(struct inode *inode, unsigned int mode, unsigned int type) { return 0; } @@ -1264,11 +1263,6 @@ struct super_block { struct list_head s_inodes; /* all inodes */ struct hlist_bl_head s_anon; /* anonymous dentries for (nfs) exporting */ -#ifdef CONFIG_SMP - struct list_head __percpu *s_files; -#else - struct list_head s_files; -#endif struct list_head s_mounts; /* list of mounts; _not_ for fs use */ struct block_device *s_bdev; struct backing_dev_info *s_bdi; @@ -1330,6 +1324,7 @@ struct super_block { */ struct list_lru s_dentry_lru ____cacheline_aligned_in_smp; struct list_lru s_inode_lru ____cacheline_aligned_in_smp; + struct rcu_head rcu; }; extern struct timespec current_fs_time(struct super_block *sb); @@ -1458,10 +1453,10 @@ extern int vfs_create(struct inode *, struct dentry *, umode_t, bool); extern int vfs_mkdir(struct inode *, struct dentry *, umode_t); extern int vfs_mknod(struct inode *, struct dentry *, umode_t, dev_t); extern int vfs_symlink(struct inode *, struct dentry *, const char *); -extern int vfs_link(struct dentry *, struct inode *, struct dentry *); +extern int vfs_link(struct dentry *, struct inode *, struct dentry *, struct inode **); extern int vfs_rmdir(struct inode *, struct dentry *); -extern int vfs_unlink(struct inode *, struct dentry *); -extern int vfs_rename(struct inode *, struct dentry *, struct inode *, struct dentry *); +extern int vfs_unlink(struct inode *, struct dentry *, struct inode **); +extern int vfs_rename(struct inode *, struct dentry *, struct inode *, struct dentry *, struct inode **); /* * VFS dentry helper functions. @@ -1875,6 +1870,17 @@ extern struct dentry *mount_pseudo(struct file_system_type *, char *, (((fops) && try_module_get((fops)->owner) ? (fops) : NULL)) #define fops_put(fops) \ do { if (fops) module_put((fops)->owner); } while(0) +/* + * This one is to be used *ONLY* from ->open() instances. + * fops must be non-NULL, pinned down *and* module dependencies + * should be sufficient to pin the caller down as well. + */ +#define replace_fops(f, fops) \ + do { \ + struct file *__file = (f); \ + fops_put(__file->f_op); \ + BUG_ON(!(__file->f_op = (fops))); \ + } while(0) extern int register_filesystem(struct file_system_type *); extern int unregister_filesystem(struct file_system_type *); @@ -1899,6 +1905,9 @@ extern bool fs_fully_visible(struct file_system_type *); extern int current_umask(void); +extern void ihold(struct inode * inode); +extern void iput(struct inode *); + /* /sys/fs */ extern struct kobject *fs_kobj; @@ -1955,9 +1964,39 @@ static inline int locks_verify_truncate(struct inode *inode, static inline int break_lease(struct inode *inode, unsigned int mode) { if (inode->i_flock) - return __break_lease(inode, mode); + return __break_lease(inode, mode, FL_LEASE); + return 0; +} + +static inline int break_deleg(struct inode *inode, unsigned int mode) +{ + if (inode->i_flock) + return __break_lease(inode, mode, FL_DELEG); return 0; } + +static inline int try_break_deleg(struct inode *inode, struct inode **delegated_inode) +{ + int ret; + + ret = break_deleg(inode, O_WRONLY|O_NONBLOCK); + if (ret == -EWOULDBLOCK && delegated_inode) { + *delegated_inode = inode; + ihold(inode); + } + return ret; +} + +static inline int break_deleg_wait(struct inode **delegated_inode) +{ + int ret; + + ret = break_deleg(*delegated_inode, O_WRONLY); + iput(*delegated_inode); + *delegated_inode = NULL; + return ret; +} + #else /* !CONFIG_FILE_LOCKING */ static inline int locks_mandatory_locked(struct inode *inode) { @@ -1997,6 +2036,22 @@ static inline int break_lease(struct inode *inode, unsigned int mode) return 0; } +static inline int break_deleg(struct inode *inode, unsigned int mode) +{ + return 0; +} + +static inline int try_break_deleg(struct inode *inode, struct inode **delegated_inode) +{ + return 0; +} + +static inline int break_deleg_wait(struct inode **delegated_inode) +{ + BUG(); + return 0; +} + #endif /* CONFIG_FILE_LOCKING */ /* fs/open.c */ @@ -2223,7 +2278,7 @@ extern void emergency_remount(void); #ifdef CONFIG_BLOCK extern sector_t bmap(struct inode *, sector_t); #endif -extern int notify_change(struct dentry *, struct iattr *); +extern int notify_change(struct dentry *, struct iattr *, struct inode **); extern int inode_permission(struct inode *, int); extern int generic_permission(struct inode *, int); @@ -2337,8 +2392,6 @@ extern loff_t vfs_llseek(struct file *file, loff_t offset, int whence); extern int inode_init_always(struct super_block *, struct inode *); extern void inode_init_once(struct inode *); extern void address_space_init_once(struct address_space *mapping); -extern void ihold(struct inode * inode); -extern void iput(struct inode *); extern struct inode * igrab(struct inode *); extern ino_t iunique(struct super_block *, ino_t); extern int inode_needs_sync(struct inode *inode); @@ -2507,8 +2560,10 @@ extern int __page_symlink(struct inode *inode, const char *symname, int len, int nofs); extern int page_symlink(struct inode *inode, const char *symname, int len); extern const struct inode_operations page_symlink_inode_operations; +extern void kfree_put_link(struct dentry *, struct nameidata *, void *); extern int generic_readlink(struct dentry *, char __user *, int); extern void generic_fillattr(struct inode *, struct kstat *); +int vfs_getattr_nosec(struct path *path, struct kstat *stat); extern int vfs_getattr(struct path *, struct kstat *); void __inode_add_bytes(struct inode *inode, loff_t bytes); void inode_add_bytes(struct inode *inode, loff_t bytes); @@ -2567,6 +2622,9 @@ extern int simple_write_begin(struct file *file, struct address_space *mapping, extern int simple_write_end(struct file *file, struct address_space *mapping, loff_t pos, unsigned len, unsigned copied, struct page *page, void *fsdata); +extern int always_delete_dentry(const struct dentry *); +extern struct inode *alloc_anon_inode(struct super_block *); +extern const struct dentry_operations simple_dentry_operations; extern struct dentry *simple_lookup(struct inode *, struct dentry *, unsigned int flags); extern ssize_t generic_read_dir(struct file *, char __user *, size_t, loff_t *); diff --git a/include/linux/ftrace.h b/include/linux/ftrace.h index 9f15c0064c50..31ea4b428360 100644 --- a/include/linux/ftrace.h +++ b/include/linux/ftrace.h @@ -533,11 +533,11 @@ static inline int ftrace_force_update(void) { return 0; } static inline void ftrace_disable_daemon(void) { } static inline void ftrace_enable_daemon(void) { } static inline void ftrace_release_mod(struct module *mod) {} -static inline int register_ftrace_command(struct ftrace_func_command *cmd) +static inline __init int register_ftrace_command(struct ftrace_func_command *cmd) { return -EINVAL; } -static inline int unregister_ftrace_command(char *cmd_name) +static inline __init int unregister_ftrace_command(char *cmd_name) { return -EINVAL; } @@ -721,6 +721,7 @@ ftrace_push_return_trace(unsigned long ret, unsigned long func, int *depth, extern char __irqentry_text_start[]; extern char __irqentry_text_end[]; +#define FTRACE_NOTRACE_DEPTH 65536 #define FTRACE_RETFUNC_DEPTH 50 #define FTRACE_RETSTACK_ALLOC_SIZE 32 extern int register_ftrace_graph(trace_func_graph_ret_t retfunc, diff --git a/include/linux/ftrace_event.h b/include/linux/ftrace_event.h index 5eaa746735ff..9abbe630c456 100644 --- a/include/linux/ftrace_event.h +++ b/include/linux/ftrace_event.h @@ -202,6 +202,7 @@ enum { TRACE_EVENT_FL_NO_SET_FILTER_BIT, TRACE_EVENT_FL_IGNORE_ENABLE_BIT, TRACE_EVENT_FL_WAS_ENABLED_BIT, + TRACE_EVENT_FL_USE_CALL_FILTER_BIT, }; /* @@ -213,6 +214,7 @@ enum { * WAS_ENABLED - Set and stays set when an event was ever enabled * (used for module unloading, if a module event is enabled, * it is best to clear the buffers that used it). + * USE_CALL_FILTER - For ftrace internal events, don't use file filter */ enum { TRACE_EVENT_FL_FILTERED = (1 << TRACE_EVENT_FL_FILTERED_BIT), @@ -220,6 +222,7 @@ enum { TRACE_EVENT_FL_NO_SET_FILTER = (1 << TRACE_EVENT_FL_NO_SET_FILTER_BIT), TRACE_EVENT_FL_IGNORE_ENABLE = (1 << TRACE_EVENT_FL_IGNORE_ENABLE_BIT), TRACE_EVENT_FL_WAS_ENABLED = (1 << TRACE_EVENT_FL_WAS_ENABLED_BIT), + TRACE_EVENT_FL_USE_CALL_FILTER = (1 << TRACE_EVENT_FL_USE_CALL_FILTER_BIT), }; struct ftrace_event_call { @@ -238,6 +241,7 @@ struct ftrace_event_call { * bit 2: failed to apply filter * bit 3: ftrace internal event (do not enable) * bit 4: Event was enabled by module + * bit 5: use call filter rather than file filter */ int flags; /* static flags of different events */ @@ -253,6 +257,8 @@ struct ftrace_subsystem_dir; enum { FTRACE_EVENT_FL_ENABLED_BIT, FTRACE_EVENT_FL_RECORDED_CMD_BIT, + FTRACE_EVENT_FL_FILTERED_BIT, + FTRACE_EVENT_FL_NO_SET_FILTER_BIT, FTRACE_EVENT_FL_SOFT_MODE_BIT, FTRACE_EVENT_FL_SOFT_DISABLED_BIT, }; @@ -261,6 +267,8 @@ enum { * Ftrace event file flags: * ENABLED - The event is enabled * RECORDED_CMD - The comms should be recorded at sched_switch + * FILTERED - The event has a filter attached + * NO_SET_FILTER - Set when filter has error and is to be ignored * SOFT_MODE - The event is enabled/disabled by SOFT_DISABLED * SOFT_DISABLED - When set, do not trace the event (even though its * tracepoint may be enabled) @@ -268,6 +276,8 @@ enum { enum { FTRACE_EVENT_FL_ENABLED = (1 << FTRACE_EVENT_FL_ENABLED_BIT), FTRACE_EVENT_FL_RECORDED_CMD = (1 << FTRACE_EVENT_FL_RECORDED_CMD_BIT), + FTRACE_EVENT_FL_FILTERED = (1 << FTRACE_EVENT_FL_FILTERED_BIT), + FTRACE_EVENT_FL_NO_SET_FILTER = (1 << FTRACE_EVENT_FL_NO_SET_FILTER_BIT), FTRACE_EVENT_FL_SOFT_MODE = (1 << FTRACE_EVENT_FL_SOFT_MODE_BIT), FTRACE_EVENT_FL_SOFT_DISABLED = (1 << FTRACE_EVENT_FL_SOFT_DISABLED_BIT), }; @@ -275,6 +285,7 @@ enum { struct ftrace_event_file { struct list_head list; struct ftrace_event_call *event_call; + struct event_filter *filter; struct dentry *dir; struct trace_array *tr; struct ftrace_subsystem_dir *system; @@ -310,12 +321,16 @@ struct ftrace_event_file { #define MAX_FILTER_STR_VAL 256 /* Should handle KSYM_SYMBOL_LEN */ -extern void destroy_preds(struct ftrace_event_call *call); +extern void destroy_preds(struct ftrace_event_file *file); +extern void destroy_call_preds(struct ftrace_event_call *call); extern int filter_match_preds(struct event_filter *filter, void *rec); -extern int filter_current_check_discard(struct ring_buffer *buffer, - struct ftrace_event_call *call, - void *rec, - struct ring_buffer_event *event); + +extern int filter_check_discard(struct ftrace_event_file *file, void *rec, + struct ring_buffer *buffer, + struct ring_buffer_event *event); +extern int call_filter_check_discard(struct ftrace_event_call *call, void *rec, + struct ring_buffer *buffer, + struct ring_buffer_event *event); enum { FILTER_OTHER = 0, diff --git a/include/linux/genalloc.h b/include/linux/genalloc.h index f8d41cb1cbe0..1eda33d7cb10 100644 --- a/include/linux/genalloc.h +++ b/include/linux/genalloc.h @@ -94,6 +94,8 @@ static inline int gen_pool_add(struct gen_pool *pool, unsigned long addr, } extern void gen_pool_destroy(struct gen_pool *); extern unsigned long gen_pool_alloc(struct gen_pool *, size_t); +extern void *gen_pool_dma_alloc(struct gen_pool *pool, size_t size, + dma_addr_t *dma); extern void gen_pool_free(struct gen_pool *, unsigned long, size_t); extern void gen_pool_for_each_chunk(struct gen_pool *, void (*)(struct gen_pool *, struct gen_pool_chunk *, void *), void *); diff --git a/include/linux/genl_magic_func.h b/include/linux/genl_magic_func.h index 023bc346b877..c0894dd8827b 100644 --- a/include/linux/genl_magic_func.h +++ b/include/linux/genl_magic_func.h @@ -273,49 +273,40 @@ static struct genl_family ZZZ_genl_family __read_mostly = { * Magic: define multicast groups * Magic: define multicast group registration helper */ +#define ZZZ_genl_mcgrps CONCAT_(GENL_MAGIC_FAMILY, _genl_mcgrps) +static const struct genl_multicast_group ZZZ_genl_mcgrps[] = { +#undef GENL_mc_group +#define GENL_mc_group(group) { .name = #group, }, +#include GENL_MAGIC_INCLUDE_FILE +}; + +enum CONCAT_(GENL_MAGIC_FAMILY, group_ids) { +#undef GENL_mc_group +#define GENL_mc_group(group) CONCAT_(GENL_MAGIC_FAMILY, _group_ ## group), +#include GENL_MAGIC_INCLUDE_FILE +}; + #undef GENL_mc_group #define GENL_mc_group(group) \ -static struct genl_multicast_group \ -CONCAT_(GENL_MAGIC_FAMILY, _mcg_ ## group) __read_mostly = { \ - .name = #group, \ -}; \ static int CONCAT_(GENL_MAGIC_FAMILY, _genl_multicast_ ## group)( \ struct sk_buff *skb, gfp_t flags) \ { \ unsigned int group_id = \ - CONCAT_(GENL_MAGIC_FAMILY, _mcg_ ## group).id; \ - if (!group_id) \ - return -EINVAL; \ - return genlmsg_multicast(skb, 0, group_id, flags); \ + CONCAT_(GENL_MAGIC_FAMILY, _group_ ## group); \ + return genlmsg_multicast(&ZZZ_genl_family, skb, 0, \ + group_id, flags); \ } #include GENL_MAGIC_INCLUDE_FILE -int CONCAT_(GENL_MAGIC_FAMILY, _genl_register)(void) -{ - int err = genl_register_family_with_ops(&ZZZ_genl_family, - ZZZ_genl_ops, ARRAY_SIZE(ZZZ_genl_ops)); - if (err) - return err; -#undef GENL_mc_group -#define GENL_mc_group(group) \ - err = genl_register_mc_group(&ZZZ_genl_family, \ - &CONCAT_(GENL_MAGIC_FAMILY, _mcg_ ## group)); \ - if (err) \ - goto fail; \ - else \ - pr_info("%s: mcg %s: %u\n", #group, \ - __stringify(GENL_MAGIC_FAMILY), \ - CONCAT_(GENL_MAGIC_FAMILY, _mcg_ ## group).id); - -#include GENL_MAGIC_INCLUDE_FILE - #undef GENL_mc_group #define GENL_mc_group(group) - return 0; -fail: - genl_unregister_family(&ZZZ_genl_family); - return err; + +int CONCAT_(GENL_MAGIC_FAMILY, _genl_register)(void) +{ + return genl_register_family_with_ops_groups(&ZZZ_genl_family, \ + ZZZ_genl_ops, \ + ZZZ_genl_mcgrps); } void CONCAT_(GENL_MAGIC_FAMILY, _genl_unregister)(void) diff --git a/include/linux/gpio.h b/include/linux/gpio.h index 552e3f46e4a3..13dfd24d01ab 100644 --- a/include/linux/gpio.h +++ b/include/linux/gpio.h @@ -16,14 +16,17 @@ #define GPIOF_OUT_INIT_LOW (GPIOF_DIR_OUT | GPIOF_INIT_LOW) #define GPIOF_OUT_INIT_HIGH (GPIOF_DIR_OUT | GPIOF_INIT_HIGH) +/* Gpio pin is active-low */ +#define GPIOF_ACTIVE_LOW (1 << 2) + /* Gpio pin is open drain */ -#define GPIOF_OPEN_DRAIN (1 << 2) +#define GPIOF_OPEN_DRAIN (1 << 3) /* Gpio pin is open source */ -#define GPIOF_OPEN_SOURCE (1 << 3) +#define GPIOF_OPEN_SOURCE (1 << 4) -#define GPIOF_EXPORT (1 << 4) -#define GPIOF_EXPORT_CHANGEABLE (1 << 5) +#define GPIOF_EXPORT (1 << 5) +#define GPIOF_EXPORT_CHANGEABLE (1 << 6) #define GPIOF_EXPORT_DIR_FIXED (GPIOF_EXPORT) #define GPIOF_EXPORT_DIR_CHANGEABLE (GPIOF_EXPORT | GPIOF_EXPORT_CHANGEABLE) @@ -74,12 +77,22 @@ static inline int irq_to_gpio(unsigned int irq) #endif /* ! CONFIG_ARCH_HAVE_CUSTOM_GPIO_H */ +/* CONFIG_GPIOLIB: bindings for managed devices that want to request gpios */ + +struct device; + +int devm_gpio_request(struct device *dev, unsigned gpio, const char *label); +int devm_gpio_request_one(struct device *dev, unsigned gpio, + unsigned long flags, const char *label); +void devm_gpio_free(struct device *dev, unsigned int gpio); + #else /* ! CONFIG_GPIOLIB */ #include <linux/kernel.h> #include <linux/types.h> #include <linux/errno.h> #include <linux/bug.h> +#include <linux/pinctrl/pinctrl.h> struct device; struct gpio_chip; @@ -204,6 +217,18 @@ static inline int gpio_to_irq(unsigned gpio) return -EINVAL; } +static inline int gpio_lock_as_irq(struct gpio_chip *chip, unsigned int offset) +{ + WARN_ON(1); + return -EINVAL; +} + +static inline void gpio_unlock_as_irq(struct gpio_chip *chip, + unsigned int offset) +{ + WARN_ON(1); +} + static inline int irq_to_gpio(unsigned irq) { /* irq can never have been returned from gpio_to_irq() */ @@ -220,20 +245,40 @@ gpiochip_add_pin_range(struct gpio_chip *chip, const char *pinctl_name, return -EINVAL; } +static inline int +gpiochip_add_pingroup_range(struct gpio_chip *chip, + struct pinctrl_dev *pctldev, + unsigned int gpio_offset, const char *pin_group) +{ + WARN_ON(1); + return -EINVAL; +} + static inline void gpiochip_remove_pin_ranges(struct gpio_chip *chip) { WARN_ON(1); } -#endif /* ! CONFIG_GPIOLIB */ +static inline int devm_gpio_request(struct device *dev, unsigned gpio, + const char *label) +{ + WARN_ON(1); + return -EINVAL; +} -struct device; +static inline int devm_gpio_request_one(struct device *dev, unsigned gpio, + unsigned long flags, const char *label) +{ + WARN_ON(1); + return -EINVAL; +} -/* bindings for managed devices that want to request gpios */ -int devm_gpio_request(struct device *dev, unsigned gpio, const char *label); -int devm_gpio_request_one(struct device *dev, unsigned gpio, - unsigned long flags, const char *label); -void devm_gpio_free(struct device *dev, unsigned int gpio); +static inline void devm_gpio_free(struct device *dev, unsigned int gpio) +{ + WARN_ON(1); +} + +#endif /* ! CONFIG_GPIOLIB */ #endif /* __LINUX_GPIO_H */ diff --git a/include/linux/gpio/consumer.h b/include/linux/gpio/consumer.h new file mode 100644 index 000000000000..4d34dbbbad4d --- /dev/null +++ b/include/linux/gpio/consumer.h @@ -0,0 +1,253 @@ +#ifndef __LINUX_GPIO_CONSUMER_H +#define __LINUX_GPIO_CONSUMER_H + +#include <linux/err.h> +#include <linux/kernel.h> + +#ifdef CONFIG_GPIOLIB + +struct device; +struct gpio_chip; + +/** + * Opaque descriptor for a GPIO. These are obtained using gpiod_get() and are + * preferable to the old integer-based handles. + * + * Contrary to integers, a pointer to a gpio_desc is guaranteed to be valid + * until the GPIO is released. + */ +struct gpio_desc; + +/* Acquire and dispose GPIOs */ +struct gpio_desc *__must_check gpiod_get(struct device *dev, + const char *con_id); +struct gpio_desc *__must_check gpiod_get_index(struct device *dev, + const char *con_id, + unsigned int idx); +void gpiod_put(struct gpio_desc *desc); + +struct gpio_desc *__must_check devm_gpiod_get(struct device *dev, + const char *con_id); +struct gpio_desc *__must_check devm_gpiod_get_index(struct device *dev, + const char *con_id, + unsigned int idx); +void devm_gpiod_put(struct device *dev, struct gpio_desc *desc); + +int gpiod_get_direction(const struct gpio_desc *desc); +int gpiod_direction_input(struct gpio_desc *desc); +int gpiod_direction_output(struct gpio_desc *desc, int value); + +/* Value get/set from non-sleeping context */ +int gpiod_get_value(const struct gpio_desc *desc); +void gpiod_set_value(struct gpio_desc *desc, int value); +int gpiod_get_raw_value(const struct gpio_desc *desc); +void gpiod_set_raw_value(struct gpio_desc *desc, int value); + +/* Value get/set from sleeping context */ +int gpiod_get_value_cansleep(const struct gpio_desc *desc); +void gpiod_set_value_cansleep(struct gpio_desc *desc, int value); +int gpiod_get_raw_value_cansleep(const struct gpio_desc *desc); +void gpiod_set_raw_value_cansleep(struct gpio_desc *desc, int value); + +int gpiod_set_debounce(struct gpio_desc *desc, unsigned debounce); + +int gpiod_is_active_low(const struct gpio_desc *desc); +int gpiod_cansleep(const struct gpio_desc *desc); + +int gpiod_to_irq(const struct gpio_desc *desc); + +/* Convert between the old gpio_ and new gpiod_ interfaces */ +struct gpio_desc *gpio_to_desc(unsigned gpio); +int desc_to_gpio(const struct gpio_desc *desc); +struct gpio_chip *gpiod_to_chip(const struct gpio_desc *desc); + +#else /* CONFIG_GPIOLIB */ + +static inline struct gpio_desc *__must_check gpiod_get(struct device *dev, + const char *con_id) +{ + return ERR_PTR(-ENOSYS); +} +static inline struct gpio_desc *__must_check gpiod_get_index(struct device *dev, + const char *con_id, + unsigned int idx) +{ + return ERR_PTR(-ENOSYS); +} +static inline void gpiod_put(struct gpio_desc *desc) +{ + might_sleep(); + + /* GPIO can never have been requested */ + WARN_ON(1); +} + +static inline struct gpio_desc *__must_check devm_gpiod_get(struct device *dev, + const char *con_id) +{ + return ERR_PTR(-ENOSYS); +} +static inline +struct gpio_desc *__must_check devm_gpiod_get_index(struct device *dev, + const char *con_id, + unsigned int idx) +{ + return ERR_PTR(-ENOSYS); +} +static inline void devm_gpiod_put(struct device *dev, struct gpio_desc *desc) +{ + might_sleep(); + + /* GPIO can never have been requested */ + WARN_ON(1); +} + + +static inline int gpiod_get_direction(const struct gpio_desc *desc) +{ + /* GPIO can never have been requested */ + WARN_ON(1); + return -ENOSYS; +} +static inline int gpiod_direction_input(struct gpio_desc *desc) +{ + /* GPIO can never have been requested */ + WARN_ON(1); + return -ENOSYS; +} +static inline int gpiod_direction_output(struct gpio_desc *desc, int value) +{ + /* GPIO can never have been requested */ + WARN_ON(1); + return -ENOSYS; +} + + +static inline int gpiod_get_value(const struct gpio_desc *desc) +{ + /* GPIO can never have been requested */ + WARN_ON(1); + return 0; +} +static inline void gpiod_set_value(struct gpio_desc *desc, int value) +{ + /* GPIO can never have been requested */ + WARN_ON(1); +} +static inline int gpiod_get_raw_value(const struct gpio_desc *desc) +{ + /* GPIO can never have been requested */ + WARN_ON(1); + return 0; +} +static inline void gpiod_set_raw_value(struct gpio_desc *desc, int value) +{ + /* GPIO can never have been requested */ + WARN_ON(1); +} + +static inline int gpiod_get_value_cansleep(const struct gpio_desc *desc) +{ + /* GPIO can never have been requested */ + WARN_ON(1); + return 0; +} +static inline void gpiod_set_value_cansleep(struct gpio_desc *desc, int value) +{ + /* GPIO can never have been requested */ + WARN_ON(1); +} +static inline int gpiod_get_raw_value_cansleep(const struct gpio_desc *desc) +{ + /* GPIO can never have been requested */ + WARN_ON(1); + return 0; +} +static inline void gpiod_set_raw_value_cansleep(struct gpio_desc *desc, + int value) +{ + /* GPIO can never have been requested */ + WARN_ON(1); +} + +static inline int gpiod_set_debounce(struct gpio_desc *desc, unsigned debounce) +{ + /* GPIO can never have been requested */ + WARN_ON(1); + return -ENOSYS; +} + +static inline int gpiod_is_active_low(const struct gpio_desc *desc) +{ + /* GPIO can never have been requested */ + WARN_ON(1); + return 0; +} +static inline int gpiod_cansleep(const struct gpio_desc *desc) +{ + /* GPIO can never have been requested */ + WARN_ON(1); + return 0; +} + +static inline int gpiod_to_irq(const struct gpio_desc *desc) +{ + /* GPIO can never have been requested */ + WARN_ON(1); + return -EINVAL; +} + +static inline struct gpio_desc *gpio_to_desc(unsigned gpio) +{ + return ERR_PTR(-EINVAL); +} +static inline int desc_to_gpio(const struct gpio_desc *desc) +{ + /* GPIO can never have been requested */ + WARN_ON(1); + return -EINVAL; +} +static inline struct gpio_chip *gpiod_to_chip(const struct gpio_desc *desc) +{ + /* GPIO can never have been requested */ + WARN_ON(1); + return ERR_PTR(-ENODEV); +} + + +#endif /* CONFIG_GPIOLIB */ + +#if IS_ENABLED(CONFIG_GPIOLIB) && IS_ENABLED(CONFIG_GPIO_SYSFS) + +int gpiod_export(struct gpio_desc *desc, bool direction_may_change); +int gpiod_export_link(struct device *dev, const char *name, + struct gpio_desc *desc); +int gpiod_sysfs_set_active_low(struct gpio_desc *desc, int value); +void gpiod_unexport(struct gpio_desc *desc); + +#else /* CONFIG_GPIOLIB && CONFIG_GPIO_SYSFS */ + +static inline int gpiod_export(struct gpio_desc *desc, + bool direction_may_change) +{ + return -ENOSYS; +} + +static inline int gpiod_export_link(struct device *dev, const char *name, + struct gpio_desc *desc) +{ + return -ENOSYS; +} + +static inline int gpiod_sysfs_set_active_low(struct gpio_desc *desc, int value) +{ + return -ENOSYS; +} + +static inline void gpiod_unexport(struct gpio_desc *desc) +{ +} + +#endif /* CONFIG_GPIOLIB && CONFIG_GPIO_SYSFS */ + +#endif diff --git a/include/linux/gpio/driver.h b/include/linux/gpio/driver.h new file mode 100644 index 000000000000..656a27efb2c8 --- /dev/null +++ b/include/linux/gpio/driver.h @@ -0,0 +1,184 @@ +#ifndef __LINUX_GPIO_DRIVER_H +#define __LINUX_GPIO_DRIVER_H + +#include <linux/types.h> + +struct device; +struct gpio_desc; +struct seq_file; + +/** + * struct gpio_chip - abstract a GPIO controller + * @label: for diagnostics + * @dev: optional device providing the GPIOs + * @owner: helps prevent removal of modules exporting active GPIOs + * @list: links gpio_chips together for traversal + * @request: optional hook for chip-specific activation, such as + * enabling module power and clock; may sleep + * @free: optional hook for chip-specific deactivation, such as + * disabling module power and clock; may sleep + * @get_direction: returns direction for signal "offset", 0=out, 1=in, + * (same as GPIOF_DIR_XXX), or negative error + * @direction_input: configures signal "offset" as input, or returns error + * @direction_output: configures signal "offset" as output, or returns error + * @get: returns value for signal "offset"; for output signals this + * returns either the value actually sensed, or zero + * @set: assigns output value for signal "offset" + * @set_debounce: optional hook for setting debounce time for specified gpio in + * interrupt triggered gpio chips + * @to_irq: optional hook supporting non-static gpio_to_irq() mappings; + * implementation may not sleep + * @dbg_show: optional routine to show contents in debugfs; default code + * will be used when this is omitted, but custom code can show extra + * state (such as pullup/pulldown configuration). + * @base: identifies the first GPIO number handled by this chip; or, if + * negative during registration, requests dynamic ID allocation. + * @ngpio: the number of GPIOs handled by this controller; the last GPIO + * handled is (base + ngpio - 1). + * @desc: array of ngpio descriptors. Private. + * @can_sleep: flag must be set iff get()/set() methods sleep, as they + * must while accessing GPIO expander chips over I2C or SPI + * @names: if set, must be an array of strings to use as alternative + * names for the GPIOs in this chip. Any entry in the array + * may be NULL if there is no alias for the GPIO, however the + * array must be @ngpio entries long. A name can include a single printk + * format specifier for an unsigned int. It is substituted by the actual + * number of the gpio. + * + * A gpio_chip can help platforms abstract various sources of GPIOs so + * they can all be accessed through a common programing interface. + * Example sources would be SOC controllers, FPGAs, multifunction + * chips, dedicated GPIO expanders, and so on. + * + * Each chip controls a number of signals, identified in method calls + * by "offset" values in the range 0..(@ngpio - 1). When those signals + * are referenced through calls like gpio_get_value(gpio), the offset + * is calculated by subtracting @base from the gpio number. + */ +struct gpio_chip { + const char *label; + struct device *dev; + struct module *owner; + struct list_head list; + + int (*request)(struct gpio_chip *chip, + unsigned offset); + void (*free)(struct gpio_chip *chip, + unsigned offset); + int (*get_direction)(struct gpio_chip *chip, + unsigned offset); + int (*direction_input)(struct gpio_chip *chip, + unsigned offset); + int (*direction_output)(struct gpio_chip *chip, + unsigned offset, int value); + int (*get)(struct gpio_chip *chip, + unsigned offset); + void (*set)(struct gpio_chip *chip, + unsigned offset, int value); + int (*set_debounce)(struct gpio_chip *chip, + unsigned offset, + unsigned debounce); + + int (*to_irq)(struct gpio_chip *chip, + unsigned offset); + + void (*dbg_show)(struct seq_file *s, + struct gpio_chip *chip); + int base; + u16 ngpio; + struct gpio_desc *desc; + const char *const *names; + unsigned can_sleep:1; + unsigned exported:1; + +#if defined(CONFIG_OF_GPIO) + /* + * If CONFIG_OF is enabled, then all GPIO controllers described in the + * device tree automatically may have an OF translation + */ + struct device_node *of_node; + int of_gpio_n_cells; + int (*of_xlate)(struct gpio_chip *gc, + const struct of_phandle_args *gpiospec, u32 *flags); +#endif +#ifdef CONFIG_PINCTRL + /* + * If CONFIG_PINCTRL is enabled, then gpio controllers can optionally + * describe the actual pin range which they serve in an SoC. This + * information would be used by pinctrl subsystem to configure + * corresponding pins for gpio usage. + */ + struct list_head pin_ranges; +#endif +}; + +extern const char *gpiochip_is_requested(struct gpio_chip *chip, + unsigned offset); + +/* add/remove chips */ +extern int gpiochip_add(struct gpio_chip *chip); +extern int __must_check gpiochip_remove(struct gpio_chip *chip); +extern struct gpio_chip *gpiochip_find(void *data, + int (*match)(struct gpio_chip *chip, void *data)); + +/* lock/unlock as IRQ */ +int gpiod_lock_as_irq(struct gpio_desc *desc); +void gpiod_unlock_as_irq(struct gpio_desc *desc); + +/** + * Lookup table for associating GPIOs to specific devices and functions using + * platform data. + */ +struct gpiod_lookup { + struct list_head list; + /* + * name of the chip the GPIO belongs to + */ + const char *chip_label; + /* + * hardware number (i.e. relative to the chip) of the GPIO + */ + u16 chip_hwnum; + /* + * name of device that can claim this GPIO + */ + const char *dev_id; + /* + * name of the GPIO from the device's point of view + */ + const char *con_id; + /* + * index of the GPIO in case several GPIOs share the same name + */ + unsigned int idx; + /* + * mask of GPIOF_* values + */ + unsigned long flags; +}; + +/* + * Simple definition of a single GPIO under a con_id + */ +#define GPIO_LOOKUP(_chip_label, _chip_hwnum, _dev_id, _con_id, _flags) \ + GPIO_LOOKUP_IDX(_chip_label, _chip_hwnum, _dev_id, _con_id, 0, _flags) + +/* + * Use this macro if you need to have several GPIOs under the same con_id. + * Each GPIO needs to use a different index and can be accessed using + * gpiod_get_index() + */ +#define GPIO_LOOKUP_IDX(_chip_label, _chip_hwnum, _dev_id, _con_id, _idx, \ + _flags) \ +{ \ + .chip_label = _chip_label, \ + .chip_hwnum = _chip_hwnum, \ + .dev_id = _dev_id, \ + .con_id = _con_id, \ + .idx = _idx, \ + .flags = _flags, \ +} + +void gpiod_add_table(struct gpiod_lookup *table, size_t size); + +#endif diff --git a/include/linux/hashtable.h b/include/linux/hashtable.h index a9df51f5d54c..519b6e2d769e 100644 --- a/include/linux/hashtable.h +++ b/include/linux/hashtable.h @@ -174,6 +174,21 @@ static inline void hash_del_rcu(struct hlist_node *node) member) /** + * hash_for_each_possible_rcu_notrace - iterate over all possible objects hashing + * to the same bucket in an rcu enabled hashtable in a rcu enabled hashtable + * @name: hashtable to iterate + * @obj: the type * to use as a loop cursor for each entry + * @member: the name of the hlist_node within the struct + * @key: the key of the objects to iterate over + * + * This is the same as hash_for_each_possible_rcu() except that it does + * not do any RCU debugging or tracing. + */ +#define hash_for_each_possible_rcu_notrace(name, obj, member, key) \ + hlist_for_each_entry_rcu_notrace(obj, \ + &name[hash_min(key, HASH_BITS(name))], member) + +/** * hash_for_each_possible_safe - iterate over all possible objects hashing to the * same bucket safe against removals * @name: hashtable to iterate diff --git a/include/linux/hippidevice.h b/include/linux/hippidevice.h index f148e4908410..8ec23fb0b412 100644 --- a/include/linux/hippidevice.h +++ b/include/linux/hippidevice.h @@ -31,11 +31,11 @@ struct hippi_cb { __u32 ifield; }; -extern __be16 hippi_type_trans(struct sk_buff *skb, struct net_device *dev); -extern int hippi_change_mtu(struct net_device *dev, int new_mtu); -extern int hippi_mac_addr(struct net_device *dev, void *p); -extern int hippi_neigh_setup_dev(struct net_device *dev, struct neigh_parms *p); -extern struct net_device *alloc_hippi_dev(int sizeof_priv); +__be16 hippi_type_trans(struct sk_buff *skb, struct net_device *dev); +int hippi_change_mtu(struct net_device *dev, int new_mtu); +int hippi_mac_addr(struct net_device *dev, void *p); +int hippi_neigh_setup_dev(struct net_device *dev, struct neigh_parms *p); +struct net_device *alloc_hippi_dev(int sizeof_priv); #endif #endif /* _LINUX_HIPPIDEVICE_H */ diff --git a/include/linux/host1x.h b/include/linux/host1x.h new file mode 100644 index 000000000000..f5b9b87ac9a9 --- /dev/null +++ b/include/linux/host1x.h @@ -0,0 +1,284 @@ +/* + * Copyright (c) 2009-2013, NVIDIA Corporation. All rights reserved. + * + * 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., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + */ + +#ifndef __LINUX_HOST1X_H +#define __LINUX_HOST1X_H + +#include <linux/device.h> +#include <linux/types.h> + +enum host1x_class { + HOST1X_CLASS_HOST1X = 0x1, + HOST1X_CLASS_GR2D = 0x51, + HOST1X_CLASS_GR2D_SB = 0x52, + HOST1X_CLASS_GR3D = 0x60, +}; + +struct host1x_client; + +struct host1x_client_ops { + int (*init)(struct host1x_client *client); + int (*exit)(struct host1x_client *client); +}; + +struct host1x_client { + struct list_head list; + struct device *parent; + struct device *dev; + + const struct host1x_client_ops *ops; + + enum host1x_class class; + struct host1x_channel *channel; + + struct host1x_syncpt **syncpts; + unsigned int num_syncpts; +}; + +/* + * host1x buffer objects + */ + +struct host1x_bo; +struct sg_table; + +struct host1x_bo_ops { + struct host1x_bo *(*get)(struct host1x_bo *bo); + void (*put)(struct host1x_bo *bo); + dma_addr_t (*pin)(struct host1x_bo *bo, struct sg_table **sgt); + void (*unpin)(struct host1x_bo *bo, struct sg_table *sgt); + void *(*mmap)(struct host1x_bo *bo); + void (*munmap)(struct host1x_bo *bo, void *addr); + void *(*kmap)(struct host1x_bo *bo, unsigned int pagenum); + void (*kunmap)(struct host1x_bo *bo, unsigned int pagenum, void *addr); +}; + +struct host1x_bo { + const struct host1x_bo_ops *ops; +}; + +static inline void host1x_bo_init(struct host1x_bo *bo, + const struct host1x_bo_ops *ops) +{ + bo->ops = ops; +} + +static inline struct host1x_bo *host1x_bo_get(struct host1x_bo *bo) +{ + return bo->ops->get(bo); +} + +static inline void host1x_bo_put(struct host1x_bo *bo) +{ + bo->ops->put(bo); +} + +static inline dma_addr_t host1x_bo_pin(struct host1x_bo *bo, + struct sg_table **sgt) +{ + return bo->ops->pin(bo, sgt); +} + +static inline void host1x_bo_unpin(struct host1x_bo *bo, struct sg_table *sgt) +{ + bo->ops->unpin(bo, sgt); +} + +static inline void *host1x_bo_mmap(struct host1x_bo *bo) +{ + return bo->ops->mmap(bo); +} + +static inline void host1x_bo_munmap(struct host1x_bo *bo, void *addr) +{ + bo->ops->munmap(bo, addr); +} + +static inline void *host1x_bo_kmap(struct host1x_bo *bo, unsigned int pagenum) +{ + return bo->ops->kmap(bo, pagenum); +} + +static inline void host1x_bo_kunmap(struct host1x_bo *bo, + unsigned int pagenum, void *addr) +{ + bo->ops->kunmap(bo, pagenum, addr); +} + +/* + * host1x syncpoints + */ + +#define HOST1X_SYNCPT_CLIENT_MANAGED (1 << 0) +#define HOST1X_SYNCPT_HAS_BASE (1 << 1) + +struct host1x_syncpt_base; +struct host1x_syncpt; +struct host1x; + +struct host1x_syncpt *host1x_syncpt_get(struct host1x *host, u32 id); +u32 host1x_syncpt_id(struct host1x_syncpt *sp); +u32 host1x_syncpt_read_min(struct host1x_syncpt *sp); +u32 host1x_syncpt_read_max(struct host1x_syncpt *sp); +int host1x_syncpt_incr(struct host1x_syncpt *sp); +int host1x_syncpt_wait(struct host1x_syncpt *sp, u32 thresh, long timeout, + u32 *value); +struct host1x_syncpt *host1x_syncpt_request(struct device *dev, + unsigned long flags); +void host1x_syncpt_free(struct host1x_syncpt *sp); + +struct host1x_syncpt_base *host1x_syncpt_get_base(struct host1x_syncpt *sp); +u32 host1x_syncpt_base_id(struct host1x_syncpt_base *base); + +/* + * host1x channel + */ + +struct host1x_channel; +struct host1x_job; + +struct host1x_channel *host1x_channel_request(struct device *dev); +void host1x_channel_free(struct host1x_channel *channel); +struct host1x_channel *host1x_channel_get(struct host1x_channel *channel); +void host1x_channel_put(struct host1x_channel *channel); +int host1x_job_submit(struct host1x_job *job); + +/* + * host1x job + */ + +struct host1x_reloc { + struct host1x_bo *cmdbuf; + u32 cmdbuf_offset; + struct host1x_bo *target; + u32 target_offset; + u32 shift; + u32 pad; +}; + +struct host1x_job { + /* When refcount goes to zero, job can be freed */ + struct kref ref; + + /* List entry */ + struct list_head list; + + /* Channel where job is submitted to */ + struct host1x_channel *channel; + + u32 client; + + /* Gathers and their memory */ + struct host1x_job_gather *gathers; + unsigned int num_gathers; + + /* Wait checks to be processed at submit time */ + struct host1x_waitchk *waitchk; + unsigned int num_waitchk; + u32 waitchk_mask; + + /* Array of handles to be pinned & unpinned */ + struct host1x_reloc *relocarray; + unsigned int num_relocs; + struct host1x_job_unpin_data *unpins; + unsigned int num_unpins; + + dma_addr_t *addr_phys; + dma_addr_t *gather_addr_phys; + dma_addr_t *reloc_addr_phys; + + /* Sync point id, number of increments and end related to the submit */ + u32 syncpt_id; + u32 syncpt_incrs; + u32 syncpt_end; + + /* Maximum time to wait for this job */ + unsigned int timeout; + + /* Index and number of slots used in the push buffer */ + unsigned int first_get; + unsigned int num_slots; + + /* Copy of gathers */ + size_t gather_copy_size; + dma_addr_t gather_copy; + u8 *gather_copy_mapped; + + /* Check if register is marked as an address reg */ + int (*is_addr_reg)(struct device *dev, u32 reg, u32 class); + + /* Request a SETCLASS to this class */ + u32 class; + + /* Add a channel wait for previous ops to complete */ + bool serialize; +}; + +struct host1x_job *host1x_job_alloc(struct host1x_channel *ch, + u32 num_cmdbufs, u32 num_relocs, + u32 num_waitchks); +void host1x_job_add_gather(struct host1x_job *job, struct host1x_bo *mem_id, + u32 words, u32 offset); +struct host1x_job *host1x_job_get(struct host1x_job *job); +void host1x_job_put(struct host1x_job *job); +int host1x_job_pin(struct host1x_job *job, struct device *dev); +void host1x_job_unpin(struct host1x_job *job); + +/* + * subdevice probe infrastructure + */ + +struct host1x_device; + +struct host1x_driver { + const struct of_device_id *subdevs; + struct list_head list; + const char *name; + + int (*probe)(struct host1x_device *device); + int (*remove)(struct host1x_device *device); +}; + +int host1x_driver_register(struct host1x_driver *driver); +void host1x_driver_unregister(struct host1x_driver *driver); + +struct host1x_device { + struct host1x_driver *driver; + struct list_head list; + struct device dev; + + struct mutex subdevs_lock; + struct list_head subdevs; + struct list_head active; + + struct mutex clients_lock; + struct list_head clients; +}; + +static inline struct host1x_device *to_host1x_device(struct device *dev) +{ + return container_of(dev, struct host1x_device, dev); +} + +int host1x_device_init(struct host1x_device *device); +int host1x_device_exit(struct host1x_device *device); + +int host1x_client_register(struct host1x_client *client); +int host1x_client_unregister(struct host1x_client *client); + +#endif diff --git a/include/linux/huge_mm.h b/include/linux/huge_mm.h index 3935428c57cf..91672e2deec3 100644 --- a/include/linux/huge_mm.h +++ b/include/linux/huge_mm.h @@ -54,7 +54,8 @@ enum page_check_address_pmd_flag { extern pmd_t *page_check_address_pmd(struct page *page, struct mm_struct *mm, unsigned long address, - enum page_check_address_pmd_flag flag); + enum page_check_address_pmd_flag flag, + spinlock_t **ptl); #define HPAGE_PMD_ORDER (HPAGE_PMD_SHIFT-PAGE_SHIFT) #define HPAGE_PMD_NR (1<<HPAGE_PMD_ORDER) @@ -129,15 +130,15 @@ extern void __vma_adjust_trans_huge(struct vm_area_struct *vma, unsigned long start, unsigned long end, long adjust_next); -extern int __pmd_trans_huge_lock(pmd_t *pmd, - struct vm_area_struct *vma); +extern int __pmd_trans_huge_lock(pmd_t *pmd, struct vm_area_struct *vma, + spinlock_t **ptl); /* mmap_sem must be held on entry */ -static inline int pmd_trans_huge_lock(pmd_t *pmd, - struct vm_area_struct *vma) +static inline int pmd_trans_huge_lock(pmd_t *pmd, struct vm_area_struct *vma, + spinlock_t **ptl) { VM_BUG_ON(!rwsem_is_locked(&vma->vm_mm->mmap_sem)); if (pmd_trans_huge(*pmd)) - return __pmd_trans_huge_lock(pmd, vma); + return __pmd_trans_huge_lock(pmd, vma, ptl); else return 0; } @@ -215,8 +216,8 @@ static inline void vma_adjust_trans_huge(struct vm_area_struct *vma, long adjust_next) { } -static inline int pmd_trans_huge_lock(pmd_t *pmd, - struct vm_area_struct *vma) +static inline int pmd_trans_huge_lock(pmd_t *pmd, struct vm_area_struct *vma, + spinlock_t **ptl) { return 0; } diff --git a/include/linux/hugetlb.h b/include/linux/hugetlb.h index 0393270466c3..9649ff0c63f8 100644 --- a/include/linux/hugetlb.h +++ b/include/linux/hugetlb.h @@ -31,6 +31,7 @@ struct hugepage_subpool *hugepage_new_subpool(long nr_blocks); void hugepage_put_subpool(struct hugepage_subpool *spool); int PageHuge(struct page *page); +int PageHeadHuge(struct page *page_head); void reset_vma_resv_huge_pages(struct vm_area_struct *vma); int hugetlb_sysctl_handler(struct ctl_table *, int, void __user *, size_t *, loff_t *); @@ -69,7 +70,6 @@ int dequeue_hwpoisoned_huge_page(struct page *page); bool isolate_huge_page(struct page *page, struct list_head *list); void putback_active_hugepage(struct page *page); bool is_hugepage_active(struct page *page); -void copy_huge_page(struct page *dst, struct page *src); #ifdef CONFIG_ARCH_WANT_HUGE_PMD_SHARE pte_t *huge_pmd_share(struct mm_struct *mm, unsigned long addr, pud_t *pud); @@ -104,6 +104,11 @@ static inline int PageHuge(struct page *page) return 0; } +static inline int PageHeadHuge(struct page *page_head) +{ + return 0; +} + static inline void reset_vma_resv_huge_pages(struct vm_area_struct *vma) { } @@ -140,9 +145,6 @@ static inline int dequeue_hwpoisoned_huge_page(struct page *page) #define isolate_huge_page(p, l) false #define putback_active_hugepage(p) do {} while (0) #define is_hugepage_active(x) false -static inline void copy_huge_page(struct page *dst, struct page *src) -{ -} static inline unsigned long hugetlb_change_protection(struct vm_area_struct *vma, unsigned long address, unsigned long end, pgprot_t newprot) @@ -392,6 +394,15 @@ static inline int hugepage_migration_support(struct hstate *h) return pmd_huge_support() && (huge_page_shift(h) == PMD_SHIFT); } +static inline spinlock_t *huge_pte_lockptr(struct hstate *h, + struct mm_struct *mm, pte_t *pte) +{ + if (huge_page_size(h) == PMD_SIZE) + return pmd_lockptr(mm, (pmd_t *) pte); + VM_BUG_ON(huge_page_size(h) == PAGE_SIZE); + return &mm->page_table_lock; +} + #else /* CONFIG_HUGETLB_PAGE */ struct hstate {}; #define alloc_huge_page_node(h, nid) NULL @@ -401,6 +412,7 @@ struct hstate {}; #define hstate_sizelog(s) NULL #define hstate_vma(v) NULL #define hstate_inode(i) NULL +#define page_hstate(page) NULL #define huge_page_size(h) PAGE_SIZE #define huge_page_mask(h) PAGE_MASK #define vma_kernel_pagesize(v) PAGE_SIZE @@ -421,6 +433,22 @@ static inline pgoff_t basepage_index(struct page *page) #define dissolve_free_huge_pages(s, e) do {} while (0) #define pmd_huge_support() 0 #define hugepage_migration_support(h) 0 + +static inline spinlock_t *huge_pte_lockptr(struct hstate *h, + struct mm_struct *mm, pte_t *pte) +{ + return &mm->page_table_lock; +} #endif /* CONFIG_HUGETLB_PAGE */ +static inline spinlock_t *huge_pte_lock(struct hstate *h, + struct mm_struct *mm, pte_t *pte) +{ + spinlock_t *ptl; + + ptl = huge_pte_lockptr(h, mm, pte); + spin_lock(ptl); + return ptl; +} + #endif /* _LINUX_HUGETLB_H */ diff --git a/include/linux/hwmon-vid.h b/include/linux/hwmon-vid.h index f346e4d5381c..da0a680e2f6d 100644 --- a/include/linux/hwmon-vid.h +++ b/include/linux/hwmon-vid.h @@ -38,7 +38,7 @@ static inline int vid_to_reg(int val, u8 vrm) return ((val >= 1100) && (val <= 1850) ? ((18499 - val * 10) / 25 + 5) / 10 : -1); default: - return -1; + return -EINVAL; } } diff --git a/include/linux/hwmon.h b/include/linux/hwmon.h index b2514f70d591..09354f6c1d63 100644 --- a/include/linux/hwmon.h +++ b/include/linux/hwmon.h @@ -15,9 +15,19 @@ #define _HWMON_H_ struct device; +struct attribute_group; struct device *hwmon_device_register(struct device *dev); +struct device * +hwmon_device_register_with_groups(struct device *dev, const char *name, + void *drvdata, + const struct attribute_group **groups); +struct device * +devm_hwmon_device_register_with_groups(struct device *dev, const char *name, + void *drvdata, + const struct attribute_group **groups); void hwmon_device_unregister(struct device *dev); +void devm_hwmon_device_unregister(struct device *dev); #endif diff --git a/include/linux/i2c.h b/include/linux/i2c.h index 2ab11dc38077..eff50e062be8 100644 --- a/include/linux/i2c.h +++ b/include/linux/i2c.h @@ -205,7 +205,6 @@ struct i2c_driver { * @name: Indicates the type of the device, usually a chip name that's * generic enough to hide second-sourcing and compatible revisions. * @adapter: manages the bus segment hosting this I2C device - * @driver: device's driver, hence pointer to access routines * @dev: Driver model device node for the slave. * @irq: indicates the IRQ generated by this device (if any) * @detected: member of an i2c_driver.clients list or i2c-core's @@ -222,7 +221,6 @@ struct i2c_client { /* _LOWER_ 7 bits */ char name[I2C_NAME_SIZE]; struct i2c_adapter *adapter; /* the adapter we sit on */ - struct i2c_driver *driver; /* and our access routines */ struct device dev; /* the device structure */ int irq; /* irq issued by device */ struct list_head detected; diff --git a/include/linux/ieee80211.h b/include/linux/ieee80211.h index a5b598a79bec..8c3b26a21574 100644 --- a/include/linux/ieee80211.h +++ b/include/linux/ieee80211.h @@ -697,6 +697,18 @@ struct ieee80211_sec_chan_offs_ie { } __packed; /** + * struct ieee80211_mesh_chansw_params_ie - mesh channel switch parameters IE + * + * This structure represents the "Mesh Channel Switch Paramters element" + */ +struct ieee80211_mesh_chansw_params_ie { + u8 mesh_ttl; + u8 mesh_flags; + __le16 mesh_reason; + __le16 mesh_pre_value; +} __packed; + +/** * struct ieee80211_wide_bw_chansw_ie - wide bandwidth channel switch IE */ struct ieee80211_wide_bw_chansw_ie { @@ -751,6 +763,14 @@ enum mesh_config_capab_flags { }; /** + * mesh channel switch parameters element's flag indicator + * + */ +#define WLAN_EID_CHAN_SWITCH_PARAM_TX_RESTRICT BIT(0) +#define WLAN_EID_CHAN_SWITCH_PARAM_INITIATOR BIT(1) +#define WLAN_EID_CHAN_SWITCH_PARAM_REASON BIT(2) + +/** * struct ieee80211_rann_ie * * This structure refers to "Root Announcement information element" @@ -1391,8 +1411,8 @@ struct ieee80211_vht_operation { #define IEEE80211_VHT_CAP_RXSTBC_MASK 0x00000700 #define IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE 0x00000800 #define IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE 0x00001000 -#define IEEE80211_VHT_CAP_BEAMFORMER_ANTENNAS_MAX 0x00006000 -#define IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MAX 0x00030000 +#define IEEE80211_VHT_CAP_BEAMFORMEE_STS_MAX 0x0000e000 +#define IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MAX 0x00070000 #define IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE 0x00080000 #define IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE 0x00100000 #define IEEE80211_VHT_CAP_VHT_TXOP_PS 0x00200000 diff --git a/include/linux/if_macvlan.h b/include/linux/if_macvlan.h index ddd33fd5904d..84ba5ac39e03 100644 --- a/include/linux/if_macvlan.h +++ b/include/linux/if_macvlan.h @@ -61,6 +61,7 @@ struct macvlan_dev { struct hlist_node hlist; struct macvlan_port *port; struct net_device *lowerdev; + void *fwd_priv; struct macvlan_pcpu_stats __percpu *pcpu_stats; DECLARE_BITMAP(mc_filter, MACVLAN_MC_FILTER_SZ); @@ -118,4 +119,21 @@ extern int macvlan_link_register(struct rtnl_link_ops *ops); extern netdev_tx_t macvlan_start_xmit(struct sk_buff *skb, struct net_device *dev); +#if IS_ENABLED(CONFIG_MACVLAN) +static inline struct net_device * +macvlan_dev_real_dev(const struct net_device *dev) +{ + struct macvlan_dev *macvlan = netdev_priv(dev); + + return macvlan->lowerdev; +} +#else +static inline struct net_device * +macvlan_dev_real_dev(const struct net_device *dev) +{ + BUG(); + return NULL; +} +#endif + #endif /* _LINUX_IF_MACVLAN_H */ diff --git a/include/linux/if_vlan.h b/include/linux/if_vlan.h index 715c343f7c00..f252deb99454 100644 --- a/include/linux/if_vlan.h +++ b/include/linux/if_vlan.h @@ -89,6 +89,101 @@ extern struct net_device *__vlan_find_dev_deep(struct net_device *real_dev, extern struct net_device *vlan_dev_real_dev(const struct net_device *dev); extern u16 vlan_dev_vlan_id(const struct net_device *dev); +/** + * struct vlan_priority_tci_mapping - vlan egress priority mappings + * @priority: skb priority + * @vlan_qos: vlan priority: (skb->priority << 13) & 0xE000 + * @next: pointer to next struct + */ +struct vlan_priority_tci_mapping { + u32 priority; + u16 vlan_qos; + struct vlan_priority_tci_mapping *next; +}; + +/** + * struct vlan_pcpu_stats - VLAN percpu rx/tx stats + * @rx_packets: number of received packets + * @rx_bytes: number of received bytes + * @rx_multicast: number of received multicast packets + * @tx_packets: number of transmitted packets + * @tx_bytes: number of transmitted bytes + * @syncp: synchronization point for 64bit counters + * @rx_errors: number of rx errors + * @tx_dropped: number of tx drops + */ +struct vlan_pcpu_stats { + u64 rx_packets; + u64 rx_bytes; + u64 rx_multicast; + u64 tx_packets; + u64 tx_bytes; + struct u64_stats_sync syncp; + u32 rx_errors; + u32 tx_dropped; +}; + +struct proc_dir_entry; +struct netpoll; + +/** + * struct vlan_dev_priv - VLAN private device data + * @nr_ingress_mappings: number of ingress priority mappings + * @ingress_priority_map: ingress priority mappings + * @nr_egress_mappings: number of egress priority mappings + * @egress_priority_map: hash of egress priority mappings + * @vlan_proto: VLAN encapsulation protocol + * @vlan_id: VLAN identifier + * @flags: device flags + * @real_dev: underlying netdevice + * @real_dev_addr: address of underlying netdevice + * @dent: proc dir entry + * @vlan_pcpu_stats: ptr to percpu rx stats + */ +struct vlan_dev_priv { + unsigned int nr_ingress_mappings; + u32 ingress_priority_map[8]; + unsigned int nr_egress_mappings; + struct vlan_priority_tci_mapping *egress_priority_map[16]; + + __be16 vlan_proto; + u16 vlan_id; + u16 flags; + + struct net_device *real_dev; + unsigned char real_dev_addr[ETH_ALEN]; + + struct proc_dir_entry *dent; + struct vlan_pcpu_stats __percpu *vlan_pcpu_stats; +#ifdef CONFIG_NET_POLL_CONTROLLER + struct netpoll *netpoll; +#endif +}; + +static inline struct vlan_dev_priv *vlan_dev_priv(const struct net_device *dev) +{ + return netdev_priv(dev); +} + +static inline u16 +vlan_dev_get_egress_qos_mask(struct net_device *dev, u32 skprio) +{ + struct vlan_priority_tci_mapping *mp; + + smp_rmb(); /* coupled with smp_wmb() in vlan_dev_set_egress_priority() */ + + mp = vlan_dev_priv(dev)->egress_priority_map[(skprio & 0xF)]; + while (mp) { + if (mp->priority == skprio) { + return mp->vlan_qos; /* This should already be shifted + * to mask correctly with the + * VLAN's TCI */ + } + mp = mp->next; + } + return 0; +} + extern bool vlan_do_receive(struct sk_buff **skb); extern struct sk_buff *vlan_untag(struct sk_buff *skb); @@ -121,6 +216,12 @@ static inline u16 vlan_dev_vlan_id(const struct net_device *dev) return 0; } +static inline u16 vlan_dev_get_egress_qos_mask(struct net_device *dev, + u32 skprio) +{ + return 0; +} + static inline bool vlan_do_receive(struct sk_buff **skb) { return false; diff --git a/include/linux/inetdevice.h b/include/linux/inetdevice.h index 79640e015a86..0d678aefe69d 100644 --- a/include/linux/inetdevice.h +++ b/include/linux/inetdevice.h @@ -147,25 +147,27 @@ struct in_ifaddr { unsigned long ifa_tstamp; /* updated timestamp */ }; -extern int register_inetaddr_notifier(struct notifier_block *nb); -extern int unregister_inetaddr_notifier(struct notifier_block *nb); +int register_inetaddr_notifier(struct notifier_block *nb); +int unregister_inetaddr_notifier(struct notifier_block *nb); -extern void inet_netconf_notify_devconf(struct net *net, int type, int ifindex, - struct ipv4_devconf *devconf); +void inet_netconf_notify_devconf(struct net *net, int type, int ifindex, + struct ipv4_devconf *devconf); -extern struct net_device *__ip_dev_find(struct net *net, __be32 addr, bool devref); +struct net_device *__ip_dev_find(struct net *net, __be32 addr, bool devref); static inline struct net_device *ip_dev_find(struct net *net, __be32 addr) { return __ip_dev_find(net, addr, true); } -extern int inet_addr_onlink(struct in_device *in_dev, __be32 a, __be32 b); -extern int devinet_ioctl(struct net *net, unsigned int cmd, void __user *); -extern void devinet_init(void); -extern struct in_device *inetdev_by_index(struct net *, int); -extern __be32 inet_select_addr(const struct net_device *dev, __be32 dst, int scope); -extern __be32 inet_confirm_addr(struct in_device *in_dev, __be32 dst, __be32 local, int scope); -extern struct in_ifaddr *inet_ifa_byprefix(struct in_device *in_dev, __be32 prefix, __be32 mask); +int inet_addr_onlink(struct in_device *in_dev, __be32 a, __be32 b); +int devinet_ioctl(struct net *net, unsigned int cmd, void __user *); +void devinet_init(void); +struct in_device *inetdev_by_index(struct net *, int); +__be32 inet_select_addr(const struct net_device *dev, __be32 dst, int scope); +__be32 inet_confirm_addr(struct in_device *in_dev, __be32 dst, __be32 local, + int scope); +struct in_ifaddr *inet_ifa_byprefix(struct in_device *in_dev, __be32 prefix, + __be32 mask); static __inline__ int inet_ifa_match(__be32 addr, struct in_ifaddr *ifa) { @@ -218,7 +220,7 @@ static inline struct in_device *__in_dev_get_rtnl(const struct net_device *dev) return rtnl_dereference(dev->ip_ptr); } -extern void in_dev_finish_destroy(struct in_device *idev); +void in_dev_finish_destroy(struct in_device *idev); static inline void in_dev_put(struct in_device *idev) { diff --git a/include/linux/init.h b/include/linux/init.h index f1c27a71d03c..8e68a64bfe00 100644 --- a/include/linux/init.h +++ b/include/linux/init.h @@ -26,8 +26,8 @@ * extern int initialize_foobar_device(int, int, int) __init; * * For initialized data: - * You should insert __initdata between the variable name and equal - * sign followed by value, e.g.: + * You should insert __initdata or __initconst between the variable name + * and equal sign followed by value, e.g.: * * static int init_variable __initdata = 0; * static const char linux_logo[] __initconst = { 0x32, 0x36, ... }; @@ -35,8 +35,6 @@ * Don't forget to initialize data not at file scope, i.e. within a function, * as gcc otherwise puts the data into the bss section and not into the init * section. - * - * Also note, that this data cannot be "const". */ /* These are for everybody (although not all archs will actually diff --git a/include/linux/init_task.h b/include/linux/init_task.h index 5cd0f0949927..b0ed422e4e4a 100644 --- a/include/linux/init_task.h +++ b/include/linux/init_task.h @@ -32,10 +32,10 @@ extern struct fs_struct init_fs; #endif #ifdef CONFIG_CPUSETS -#define INIT_CPUSET_SEQ \ - .mems_allowed_seq = SEQCNT_ZERO, +#define INIT_CPUSET_SEQ(tsk) \ + .mems_allowed_seq = SEQCNT_ZERO(tsk.mems_allowed_seq), #else -#define INIT_CPUSET_SEQ +#define INIT_CPUSET_SEQ(tsk) #endif #define INIT_SIGNALS(sig) { \ @@ -220,7 +220,7 @@ extern struct task_group root_task_group; INIT_FTRACE_GRAPH \ INIT_TRACE_RECURSION \ INIT_TASK_RCU_PREEMPT(tsk) \ - INIT_CPUSET_SEQ \ + INIT_CPUSET_SEQ(tsk) \ INIT_VTIME(tsk) \ } diff --git a/include/linux/interrupt.h b/include/linux/interrupt.h index c9e831dc80bc..db43b58a3355 100644 --- a/include/linux/interrupt.h +++ b/include/linux/interrupt.h @@ -11,8 +11,6 @@ #include <linux/irqnr.h> #include <linux/hardirq.h> #include <linux/irqflags.h> -#include <linux/smp.h> -#include <linux/percpu.h> #include <linux/hrtimer.h> #include <linux/kref.h> #include <linux/workqueue.h> @@ -392,15 +390,6 @@ extern void __raise_softirq_irqoff(unsigned int nr); extern void raise_softirq_irqoff(unsigned int nr); extern void raise_softirq(unsigned int nr); -/* This is the worklist that queues up per-cpu softirq work. - * - * send_remote_sendirq() adds work to these lists, and - * the softirq handler itself dequeues from them. The queues - * are protected by disabling local cpu interrupts and they must - * only be accessed by the local cpu that they are for. - */ -DECLARE_PER_CPU(struct list_head [NR_SOFTIRQS], softirq_work_list); - DECLARE_PER_CPU(struct task_struct *, ksoftirqd); static inline struct task_struct *this_cpu_ksoftirqd(void) @@ -408,17 +397,6 @@ static inline struct task_struct *this_cpu_ksoftirqd(void) return this_cpu_read(ksoftirqd); } -/* Try to send a softirq to a remote cpu. If this cannot be done, the - * work will be queued to the local cpu. - */ -extern void send_remote_softirq(struct call_single_data *cp, int cpu, int softirq); - -/* Like send_remote_softirq(), but the caller must disable local cpu interrupts - * and compute the current cpu, passed in as 'this_cpu'. - */ -extern void __send_remote_softirq(struct call_single_data *cp, int cpu, - int this_cpu, int softirq); - /* Tasklets --- multithreaded analogue of BHs. Main feature differing them of generic softirqs: tasklet diff --git a/include/linux/iommu.h b/include/linux/iommu.h index 7ea319e95b47..a444c790fa72 100644 --- a/include/linux/iommu.h +++ b/include/linux/iommu.h @@ -22,6 +22,7 @@ #include <linux/errno.h> #include <linux/err.h> #include <linux/types.h> +#include <trace/events/iommu.h> #define IOMMU_READ (1) #define IOMMU_WRITE (2) @@ -227,6 +228,7 @@ static inline int report_iommu_fault(struct iommu_domain *domain, ret = domain->handler(domain, dev, iova, flags, domain->handler_token); + trace_io_page_fault(dev, iova, flags); return ret; } diff --git a/include/linux/ipv6.h b/include/linux/ipv6.h index 28ea38439313..5d89d1b808a6 100644 --- a/include/linux/ipv6.h +++ b/include/linux/ipv6.h @@ -21,13 +21,11 @@ struct ipv6_devconf { __s32 force_mld_version; __s32 mldv1_unsolicited_report_interval; __s32 mldv2_unsolicited_report_interval; -#ifdef CONFIG_IPV6_PRIVACY __s32 use_tempaddr; __s32 temp_valid_lft; __s32 temp_prefered_lft; __s32 regen_max_retry; __s32 max_desync_factor; -#endif __s32 max_addresses; __s32 accept_ra_defrtr; __s32 accept_ra_pinfo; @@ -115,16 +113,8 @@ static inline int inet6_iif(const struct sk_buff *skb) return IP6CB(skb)->iif; } -struct inet6_request_sock { - struct in6_addr loc_addr; - struct in6_addr rmt_addr; - struct sk_buff *pktopts; - int iif; -}; - struct tcp6_request_sock { struct tcp_request_sock tcp6rsk_tcp; - struct inet6_request_sock tcp6rsk_inet6; }; struct ipv6_mc_socklist; @@ -141,8 +131,6 @@ struct ipv6_fl_socklist; */ struct ipv6_pinfo { struct in6_addr saddr; - struct in6_addr rcv_saddr; - struct in6_addr daddr; struct in6_pktinfo sticky_pktinfo; const struct in6_addr *daddr_cache; #ifdef CONFIG_IPV6_SUBTREES @@ -256,48 +244,22 @@ struct tcp6_sock { extern int inet6_sk_rebuild_header(struct sock *sk); -struct inet6_timewait_sock { - struct in6_addr tw_v6_daddr; - struct in6_addr tw_v6_rcv_saddr; -}; - struct tcp6_timewait_sock { struct tcp_timewait_sock tcp6tw_tcp; - struct inet6_timewait_sock tcp6tw_inet6; }; -static inline struct inet6_timewait_sock *inet6_twsk(const struct sock *sk) -{ - return (struct inet6_timewait_sock *)(((u8 *)sk) + - inet_twsk(sk)->tw_ipv6_offset); -} - #if IS_ENABLED(CONFIG_IPV6) static inline struct ipv6_pinfo * inet6_sk(const struct sock *__sk) { return inet_sk(__sk)->pinet6; } -static inline struct inet6_request_sock * - inet6_rsk(const struct request_sock *rsk) -{ - return (struct inet6_request_sock *)(((u8 *)rsk) + - inet_rsk(rsk)->inet6_rsk_offset); -} - -static inline u32 inet6_rsk_offset(struct request_sock *rsk) -{ - return rsk->rsk_ops->obj_size - sizeof(struct inet6_request_sock); -} - static inline struct request_sock *inet6_reqsk_alloc(struct request_sock_ops *ops) { struct request_sock *req = reqsk_alloc(ops); - if (req != NULL) { - inet_rsk(req)->inet6_rsk_offset = inet6_rsk_offset(req); - inet6_rsk(req)->pktopts = NULL; - } + if (req) + inet_rsk(req)->pktopts = NULL; return req; } @@ -321,21 +283,11 @@ static inline void inet_sk_copy_descendant(struct sock *sk_to, #define __ipv6_only_sock(sk) (inet6_sk(sk)->ipv6only) #define ipv6_only_sock(sk) ((sk)->sk_family == PF_INET6 && __ipv6_only_sock(sk)) -static inline u16 inet6_tw_offset(const struct proto *prot) +static inline const struct in6_addr *inet6_rcv_saddr(const struct sock *sk) { - return prot->twsk_prot->twsk_obj_size - - sizeof(struct inet6_timewait_sock); -} - -static inline struct in6_addr *__inet6_rcv_saddr(const struct sock *sk) -{ - return likely(sk->sk_state != TCP_TIME_WAIT) ? - &inet6_sk(sk)->rcv_saddr : &inet6_twsk(sk)->tw_v6_rcv_saddr; -} - -static inline struct in6_addr *inet6_rcv_saddr(const struct sock *sk) -{ - return sk->sk_family == AF_INET6 ? __inet6_rcv_saddr(sk) : NULL; + if (sk->sk_family == AF_INET6) + return &sk->sk_v6_rcv_saddr; + return NULL; } static inline int inet_v6_ipv6only(const struct sock *sk) @@ -363,28 +315,18 @@ static inline struct raw6_sock *raw6_sk(const struct sock *sk) return NULL; } -#define __inet6_rcv_saddr(__sk) NULL #define inet6_rcv_saddr(__sk) NULL #define tcp_twsk_ipv6only(__sk) 0 #define inet_v6_ipv6only(__sk) 0 #endif /* IS_ENABLED(CONFIG_IPV6) */ #define INET6_MATCH(__sk, __net, __saddr, __daddr, __ports, __dif) \ - ((inet_sk(__sk)->inet_portpair == (__ports)) && \ + (((__sk)->sk_portpair == (__ports)) && \ ((__sk)->sk_family == AF_INET6) && \ - ipv6_addr_equal(&inet6_sk(__sk)->daddr, (__saddr)) && \ - ipv6_addr_equal(&inet6_sk(__sk)->rcv_saddr, (__daddr)) && \ + ipv6_addr_equal(&(__sk)->sk_v6_daddr, (__saddr)) && \ + ipv6_addr_equal(&(__sk)->sk_v6_rcv_saddr, (__daddr)) && \ (!(__sk)->sk_bound_dev_if || \ ((__sk)->sk_bound_dev_if == (__dif))) && \ net_eq(sock_net(__sk), (__net))) -#define INET6_TW_MATCH(__sk, __net, __saddr, __daddr, __ports, __dif) \ - ((inet_twsk(__sk)->tw_portpair == (__ports)) && \ - ((__sk)->sk_family == AF_INET6) && \ - ipv6_addr_equal(&inet6_twsk(__sk)->tw_v6_daddr, (__saddr)) && \ - ipv6_addr_equal(&inet6_twsk(__sk)->tw_v6_rcv_saddr, (__daddr)) && \ - (!(__sk)->sk_bound_dev_if || \ - ((__sk)->sk_bound_dev_if == (__dif))) && \ - net_eq(sock_net(__sk), (__net))) - #endif /* _IPV6_H */ diff --git a/include/linux/irq.h b/include/linux/irq.h index 56bb0dc8b7d4..7dc10036eff5 100644 --- a/include/linux/irq.h +++ b/include/linux/irq.h @@ -70,6 +70,9 @@ typedef void (*irq_preflow_handler_t)(struct irq_data *data); * IRQ_MOVE_PCNTXT - Interrupt can be migrated from process context * IRQ_NESTED_TRHEAD - Interrupt nests into another thread * IRQ_PER_CPU_DEVID - Dev_id is a per-cpu variable + * IRQ_IS_POLLED - Always polled by another interrupt. Exclude + * it from the spurious interrupt detection + * mechanism and from core side polling. */ enum { IRQ_TYPE_NONE = 0x00000000, @@ -94,12 +97,14 @@ enum { IRQ_NESTED_THREAD = (1 << 15), IRQ_NOTHREAD = (1 << 16), IRQ_PER_CPU_DEVID = (1 << 17), + IRQ_IS_POLLED = (1 << 18), }; #define IRQF_MODIFY_MASK \ (IRQ_TYPE_SENSE_MASK | IRQ_NOPROBE | IRQ_NOREQUEST | \ IRQ_NOAUTOEN | IRQ_MOVE_PCNTXT | IRQ_LEVEL | IRQ_NO_BALANCING | \ - IRQ_PER_CPU | IRQ_NESTED_THREAD | IRQ_NOTHREAD | IRQ_PER_CPU_DEVID) + IRQ_PER_CPU | IRQ_NESTED_THREAD | IRQ_NOTHREAD | IRQ_PER_CPU_DEVID | \ + IRQ_IS_POLLED) #define IRQ_NO_BALANCING_MASK (IRQ_PER_CPU | IRQ_NO_BALANCING) diff --git a/include/linux/irqchip/arm-gic.h b/include/linux/irqchip/arm-gic.h index 0e5d9ecdb2b6..cac496b1e279 100644 --- a/include/linux/irqchip/arm-gic.h +++ b/include/linux/irqchip/arm-gic.h @@ -31,6 +31,8 @@ #define GIC_DIST_TARGET 0x800 #define GIC_DIST_CONFIG 0xc00 #define GIC_DIST_SOFTINT 0xf00 +#define GIC_DIST_SGI_PENDING_CLEAR 0xf10 +#define GIC_DIST_SGI_PENDING_SET 0xf20 #define GICH_HCR 0x0 #define GICH_VTR 0x4 @@ -74,6 +76,11 @@ static inline void gic_init(unsigned int nr, int start, gic_init_bases(nr, start, dist, cpu, 0, NULL); } +void gic_send_sgi(unsigned int cpu_id, unsigned int irq); +int gic_get_cpu_id(unsigned int cpu); +void gic_migrate_target(unsigned int new_cpu_id); +unsigned long gic_get_sgir_physaddr(void); + #endif /* __ASSEMBLY */ #endif diff --git a/include/linux/jump_label.h b/include/linux/jump_label.h index a5079072da66..39999775b922 100644 --- a/include/linux/jump_label.h +++ b/include/linux/jump_label.h @@ -48,6 +48,13 @@ #include <linux/types.h> #include <linux/compiler.h> +#include <linux/bug.h> + +extern bool static_key_initialized; + +#define STATIC_KEY_CHECK_USE() WARN(!static_key_initialized, \ + "%s used before call to jump_label_init", \ + __func__) #if defined(CC_HAVE_ASM_GOTO) && defined(CONFIG_JUMP_LABEL) @@ -128,29 +135,32 @@ struct static_key { static __always_inline void jump_label_init(void) { + static_key_initialized = true; } static __always_inline bool static_key_false(struct static_key *key) { - if (unlikely(atomic_read(&key->enabled)) > 0) + if (unlikely(atomic_read(&key->enabled) > 0)) return true; return false; } static __always_inline bool static_key_true(struct static_key *key) { - if (likely(atomic_read(&key->enabled)) > 0) + if (likely(atomic_read(&key->enabled) > 0)) return true; return false; } static inline void static_key_slow_inc(struct static_key *key) { + STATIC_KEY_CHECK_USE(); atomic_inc(&key->enabled); } static inline void static_key_slow_dec(struct static_key *key) { + STATIC_KEY_CHECK_USE(); atomic_dec(&key->enabled); } diff --git a/include/linux/jump_label_ratelimit.h b/include/linux/jump_label_ratelimit.h index 113788389b3d..089f70f83e97 100644 --- a/include/linux/jump_label_ratelimit.h +++ b/include/linux/jump_label_ratelimit.h @@ -23,12 +23,14 @@ struct static_key_deferred { }; static inline void static_key_slow_dec_deferred(struct static_key_deferred *key) { + STATIC_KEY_CHECK_USE(); static_key_slow_dec(&key->key); } static inline void jump_label_rate_limit(struct static_key_deferred *key, unsigned long rl) { + STATIC_KEY_CHECK_USE(); } #endif /* HAVE_JUMP_LABEL */ #endif /* _LINUX_JUMP_LABEL_RATELIMIT_H */ diff --git a/include/linux/kdb.h b/include/linux/kdb.h index 7f6fe6e015bc..290db1269c4c 100644 --- a/include/linux/kdb.h +++ b/include/linux/kdb.h @@ -109,6 +109,7 @@ typedef enum { KDB_REASON_RECURSE, /* Recursive entry to kdb; * regs probably valid */ KDB_REASON_SSTEP, /* Single Step trap. - regs valid */ + KDB_REASON_SYSTEM_NMI, /* In NMI due to SYSTEM cmd; regs valid */ } kdb_reason_t; extern int kdb_trap_printk; diff --git a/include/linux/kernel-page-flags.h b/include/linux/kernel-page-flags.h index 546eb6a76934..f65ce09784f1 100644 --- a/include/linux/kernel-page-flags.h +++ b/include/linux/kernel-page-flags.h @@ -15,5 +15,6 @@ #define KPF_OWNER_PRIVATE 37 #define KPF_ARCH 38 #define KPF_UNCACHED 39 +#define KPF_SOFTDIRTY 40 #endif /* LINUX_KERNEL_PAGE_FLAGS_H */ diff --git a/include/linux/kernel.h b/include/linux/kernel.h index 672ddc4de4af..d4e98d13eff4 100644 --- a/include/linux/kernel.h +++ b/include/linux/kernel.h @@ -501,7 +501,6 @@ void tracing_snapshot_alloc(void); extern void tracing_start(void); extern void tracing_stop(void); -extern void ftrace_off_permanent(void); static inline __printf(1, 2) void ____trace_printk_check_format(const char *fmt, ...) @@ -639,7 +638,6 @@ extern void ftrace_dump(enum ftrace_dump_mode oops_dump_mode); #else static inline void tracing_start(void) { } static inline void tracing_stop(void) { } -static inline void ftrace_off_permanent(void) { } static inline void trace_dump_stack(int skip) { } static inline void tracing_on(void) { } diff --git a/include/linux/key-type.h b/include/linux/key-type.h index 518a53afb9ea..a74c3a84dfdd 100644 --- a/include/linux/key-type.h +++ b/include/linux/key-type.h @@ -45,6 +45,7 @@ struct key_preparsed_payload { const void *data; /* Raw data */ size_t datalen; /* Raw datalen */ size_t quotalen; /* Quota length for proposed payload */ + bool trusted; /* True if key is trusted */ }; typedef int (*request_key_actor_t)(struct key_construction *key, @@ -63,6 +64,11 @@ struct key_type { */ size_t def_datalen; + /* Default key search algorithm. */ + unsigned def_lookup_type; +#define KEYRING_SEARCH_LOOKUP_DIRECT 0x0000 /* Direct lookup by description. */ +#define KEYRING_SEARCH_LOOKUP_ITERATE 0x0001 /* Iterative search. */ + /* vet a description */ int (*vet_description)(const char *description); diff --git a/include/linux/key.h b/include/linux/key.h index 4dfde1161c5e..80d677483e31 100644 --- a/include/linux/key.h +++ b/include/linux/key.h @@ -22,6 +22,7 @@ #include <linux/sysctl.h> #include <linux/rwsem.h> #include <linux/atomic.h> +#include <linux/assoc_array.h> #ifdef __KERNEL__ #include <linux/uidgid.h> @@ -82,6 +83,12 @@ struct key_owner; struct keyring_list; struct keyring_name; +struct keyring_index_key { + struct key_type *type; + const char *description; + size_t desc_len; +}; + /*****************************************************************************/ /* * key reference with possession attribute handling @@ -99,7 +106,7 @@ struct keyring_name; typedef struct __key_reference_with_attributes *key_ref_t; static inline key_ref_t make_key_ref(const struct key *key, - unsigned long possession) + bool possession) { return (key_ref_t) ((unsigned long) key | possession); } @@ -109,7 +116,7 @@ static inline struct key *key_ref_to_ptr(const key_ref_t key_ref) return (struct key *) ((unsigned long) key_ref & ~1UL); } -static inline unsigned long is_key_possessed(const key_ref_t key_ref) +static inline bool is_key_possessed(const key_ref_t key_ref) { return (unsigned long) key_ref & 1UL; } @@ -129,7 +136,6 @@ struct key { struct list_head graveyard_link; struct rb_node serial_node; }; - struct key_type *type; /* type of key */ struct rw_semaphore sem; /* change vs change sem */ struct key_user *user; /* owner of this key */ void *security; /* security data for this key */ @@ -162,13 +168,21 @@ struct key { #define KEY_FLAG_NEGATIVE 5 /* set if key is negative */ #define KEY_FLAG_ROOT_CAN_CLEAR 6 /* set if key can be cleared by root without permission */ #define KEY_FLAG_INVALIDATED 7 /* set if key has been invalidated */ +#define KEY_FLAG_TRUSTED 8 /* set if key is trusted */ +#define KEY_FLAG_TRUSTED_ONLY 9 /* set if keyring only accepts links to trusted keys */ - /* the description string - * - this is used to match a key against search criteria - * - this should be a printable string + /* the key type and key description string + * - the desc is used to match a key against search criteria + * - it should be a printable string * - eg: for krb5 AFS, this might be "afs@REDHAT.COM" */ - char *description; + union { + struct keyring_index_key index_key; + struct { + struct key_type *type; /* type of key */ + char *description; + }; + }; /* type specific data * - this is used by the keyring type to index the name @@ -185,11 +199,14 @@ struct key { * whatever */ union { - unsigned long value; - void __rcu *rcudata; - void *data; - struct keyring_list __rcu *subscriptions; - } payload; + union { + unsigned long value; + void __rcu *rcudata; + void *data; + void *data2[2]; + } payload; + struct assoc_array keys; + }; }; extern struct key *key_alloc(struct key_type *type, @@ -203,18 +220,23 @@ extern struct key *key_alloc(struct key_type *type, #define KEY_ALLOC_IN_QUOTA 0x0000 /* add to quota, reject if would overrun */ #define KEY_ALLOC_QUOTA_OVERRUN 0x0001 /* add to quota, permit even if overrun */ #define KEY_ALLOC_NOT_IN_QUOTA 0x0002 /* not in quota */ +#define KEY_ALLOC_TRUSTED 0x0004 /* Key should be flagged as trusted */ extern void key_revoke(struct key *key); extern void key_invalidate(struct key *key); extern void key_put(struct key *key); -static inline struct key *key_get(struct key *key) +static inline struct key *__key_get(struct key *key) { - if (key) - atomic_inc(&key->usage); + atomic_inc(&key->usage); return key; } +static inline struct key *key_get(struct key *key) +{ + return key ? __key_get(key) : key; +} + static inline void key_ref_put(key_ref_t key_ref) { key_put(key_ref_to_ptr(key_ref)); diff --git a/include/linux/kfifo.h b/include/linux/kfifo.h index 10308c6a3d1c..552d51efb429 100644 --- a/include/linux/kfifo.h +++ b/include/linux/kfifo.h @@ -1,7 +1,7 @@ /* * A generic kernel FIFO implementation * - * Copyright (C) 2009/2010 Stefani Seibold <stefani@seibold.net> + * Copyright (C) 2013 Stefani Seibold <stefani@seibold.net> * * 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 @@ -67,9 +67,10 @@ struct __kfifo { union { \ struct __kfifo kfifo; \ datatype *type; \ + const datatype *const_type; \ char (*rectype)[recsize]; \ ptrtype *ptr; \ - const ptrtype *ptr_const; \ + ptrtype const *ptr_const; \ } #define __STRUCT_KFIFO(type, size, recsize, ptrtype) \ @@ -386,16 +387,12 @@ __kfifo_int_must_check_helper( \ #define kfifo_put(fifo, val) \ ({ \ typeof((fifo) + 1) __tmp = (fifo); \ - typeof((val) + 1) __val = (val); \ + typeof(*__tmp->const_type) __val = (val); \ unsigned int __ret; \ - const size_t __recsize = sizeof(*__tmp->rectype); \ + size_t __recsize = sizeof(*__tmp->rectype); \ struct __kfifo *__kfifo = &__tmp->kfifo; \ - if (0) { \ - typeof(__tmp->ptr_const) __dummy __attribute__ ((unused)); \ - __dummy = (typeof(__val))NULL; \ - } \ if (__recsize) \ - __ret = __kfifo_in_r(__kfifo, __val, sizeof(*__val), \ + __ret = __kfifo_in_r(__kfifo, &__val, sizeof(__val), \ __recsize); \ else { \ __ret = !kfifo_is_full(__tmp); \ @@ -404,7 +401,7 @@ __kfifo_int_must_check_helper( \ ((typeof(__tmp->type))__kfifo->data) : \ (__tmp->buf) \ )[__kfifo->in & __tmp->kfifo.mask] = \ - *(typeof(__tmp->type))__val; \ + (typeof(*__tmp->type))__val; \ smp_wmb(); \ __kfifo->in++; \ } \ @@ -415,7 +412,7 @@ __kfifo_int_must_check_helper( \ /** * kfifo_get - get data from the fifo * @fifo: address of the fifo to be used - * @val: the var where to store the data to be added + * @val: address where to store the data * * This macro reads the data from the fifo. * It returns 0 if the fifo was empty. Otherwise it returns the number @@ -428,12 +425,10 @@ __kfifo_int_must_check_helper( \ __kfifo_uint_must_check_helper( \ ({ \ typeof((fifo) + 1) __tmp = (fifo); \ - typeof((val) + 1) __val = (val); \ + typeof(__tmp->ptr) __val = (val); \ unsigned int __ret; \ const size_t __recsize = sizeof(*__tmp->rectype); \ struct __kfifo *__kfifo = &__tmp->kfifo; \ - if (0) \ - __val = (typeof(__tmp->ptr))0; \ if (__recsize) \ __ret = __kfifo_out_r(__kfifo, __val, sizeof(*__val), \ __recsize); \ @@ -456,7 +451,7 @@ __kfifo_uint_must_check_helper( \ /** * kfifo_peek - get data from the fifo without removing * @fifo: address of the fifo to be used - * @val: the var where to store the data to be added + * @val: address where to store the data * * This reads the data from the fifo without removing it from the fifo. * It returns 0 if the fifo was empty. Otherwise it returns the number @@ -469,12 +464,10 @@ __kfifo_uint_must_check_helper( \ __kfifo_uint_must_check_helper( \ ({ \ typeof((fifo) + 1) __tmp = (fifo); \ - typeof((val) + 1) __val = (val); \ + typeof(__tmp->ptr) __val = (val); \ unsigned int __ret; \ const size_t __recsize = sizeof(*__tmp->rectype); \ struct __kfifo *__kfifo = &__tmp->kfifo; \ - if (0) \ - __val = (typeof(__tmp->ptr))NULL; \ if (__recsize) \ __ret = __kfifo_out_peek_r(__kfifo, __val, sizeof(*__val), \ __recsize); \ @@ -508,14 +501,10 @@ __kfifo_uint_must_check_helper( \ #define kfifo_in(fifo, buf, n) \ ({ \ typeof((fifo) + 1) __tmp = (fifo); \ - typeof((buf) + 1) __buf = (buf); \ + typeof(__tmp->ptr_const) __buf = (buf); \ unsigned long __n = (n); \ const size_t __recsize = sizeof(*__tmp->rectype); \ struct __kfifo *__kfifo = &__tmp->kfifo; \ - if (0) { \ - typeof(__tmp->ptr_const) __dummy __attribute__ ((unused)); \ - __dummy = (typeof(__buf))NULL; \ - } \ (__recsize) ?\ __kfifo_in_r(__kfifo, __buf, __n, __recsize) : \ __kfifo_in(__kfifo, __buf, __n); \ @@ -561,14 +550,10 @@ __kfifo_uint_must_check_helper( \ __kfifo_uint_must_check_helper( \ ({ \ typeof((fifo) + 1) __tmp = (fifo); \ - typeof((buf) + 1) __buf = (buf); \ + typeof(__tmp->ptr) __buf = (buf); \ unsigned long __n = (n); \ const size_t __recsize = sizeof(*__tmp->rectype); \ struct __kfifo *__kfifo = &__tmp->kfifo; \ - if (0) { \ - typeof(__tmp->ptr) __dummy = NULL; \ - __buf = __dummy; \ - } \ (__recsize) ?\ __kfifo_out_r(__kfifo, __buf, __n, __recsize) : \ __kfifo_out(__kfifo, __buf, __n); \ @@ -773,14 +758,10 @@ __kfifo_uint_must_check_helper( \ __kfifo_uint_must_check_helper( \ ({ \ typeof((fifo) + 1) __tmp = (fifo); \ - typeof((buf) + 1) __buf = (buf); \ + typeof(__tmp->ptr) __buf = (buf); \ unsigned long __n = (n); \ const size_t __recsize = sizeof(*__tmp->rectype); \ struct __kfifo *__kfifo = &__tmp->kfifo; \ - if (0) { \ - typeof(__tmp->ptr) __dummy __attribute__ ((unused)) = NULL; \ - __buf = __dummy; \ - } \ (__recsize) ? \ __kfifo_out_peek_r(__kfifo, __buf, __n, __recsize) : \ __kfifo_out_peek(__kfifo, __buf, __n); \ diff --git a/include/linux/kgdb.h b/include/linux/kgdb.h index c6e091bf39a5..dfb4f2ffdaa2 100644 --- a/include/linux/kgdb.h +++ b/include/linux/kgdb.h @@ -310,6 +310,7 @@ extern int kgdb_handle_exception(int ex_vector, int signo, int err_code, struct pt_regs *regs); extern int kgdb_nmicallback(int cpu, void *regs); +extern int kgdb_nmicallin(int cpu, int trapnr, void *regs, atomic_t *snd_rdy); extern void gdbstub_exit(int status); extern int kgdb_single_step; diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h index 0fbbc7aa02cb..9523d2ad7535 100644 --- a/include/linux/kvm_host.h +++ b/include/linux/kvm_host.h @@ -142,7 +142,7 @@ struct kvm; struct kvm_vcpu; extern struct kmem_cache *kvm_vcpu_cache; -extern raw_spinlock_t kvm_lock; +extern spinlock_t kvm_lock; extern struct list_head vm_list; struct kvm_io_range { @@ -189,8 +189,7 @@ struct kvm_async_pf { gva_t gva; unsigned long addr; struct kvm_arch_async_pf arch; - struct page *page; - bool done; + bool wakeup_all; }; void kvm_clear_async_pf_completion_queue(struct kvm_vcpu *vcpu); @@ -508,9 +507,10 @@ int kvm_set_memory_region(struct kvm *kvm, struct kvm_userspace_memory_region *mem); int __kvm_set_memory_region(struct kvm *kvm, struct kvm_userspace_memory_region *mem); -void kvm_arch_free_memslot(struct kvm_memory_slot *free, +void kvm_arch_free_memslot(struct kvm *kvm, struct kvm_memory_slot *free, struct kvm_memory_slot *dont); -int kvm_arch_create_memslot(struct kvm_memory_slot *slot, unsigned long npages); +int kvm_arch_create_memslot(struct kvm *kvm, struct kvm_memory_slot *slot, + unsigned long npages); void kvm_arch_memslots_updated(struct kvm *kvm); int kvm_arch_prepare_memory_region(struct kvm *kvm, struct kvm_memory_slot *memslot, @@ -671,6 +671,25 @@ static inline void kvm_arch_free_vm(struct kvm *kvm) } #endif +#ifdef __KVM_HAVE_ARCH_NONCOHERENT_DMA +void kvm_arch_register_noncoherent_dma(struct kvm *kvm); +void kvm_arch_unregister_noncoherent_dma(struct kvm *kvm); +bool kvm_arch_has_noncoherent_dma(struct kvm *kvm); +#else +static inline void kvm_arch_register_noncoherent_dma(struct kvm *kvm) +{ +} + +static inline void kvm_arch_unregister_noncoherent_dma(struct kvm *kvm) +{ +} + +static inline bool kvm_arch_has_noncoherent_dma(struct kvm *kvm) +{ + return false; +} +#endif + static inline wait_queue_head_t *kvm_arch_vcpu_wq(struct kvm_vcpu *vcpu) { #ifdef __KVM_HAVE_ARCH_WQP @@ -747,9 +766,6 @@ void kvm_unregister_irq_ack_notifier(struct kvm *kvm, int kvm_request_irq_source_id(struct kvm *kvm); void kvm_free_irq_source_id(struct kvm *kvm, int irq_source_id); -/* For vcpu->arch.iommu_flags */ -#define KVM_IOMMU_CACHE_COHERENCY 0x1 - #ifdef CONFIG_KVM_DEVICE_ASSIGNMENT int kvm_iommu_map_pages(struct kvm *kvm, struct kvm_memory_slot *slot); void kvm_iommu_unmap_pages(struct kvm *kvm, struct kvm_memory_slot *slot); @@ -789,7 +805,7 @@ static inline void kvm_guest_enter(void) /* KVM does not hold any references to rcu protected data when it * switches CPU into a guest mode. In fact switching to a guest mode - * is very similar to exiting to userspase from rcu point of view. In + * is very similar to exiting to userspace from rcu point of view. In * addition CPU may stay in a guest mode for quite a long time (up to * one time slice). Lets treat guest mode as quiescent state, just like * we do with user-mode execution. @@ -842,13 +858,6 @@ static inline int memslot_id(struct kvm *kvm, gfn_t gfn) return gfn_to_memslot(kvm, gfn)->id; } -static inline gfn_t gfn_to_index(gfn_t gfn, gfn_t base_gfn, int level) -{ - /* KVM_HPAGE_GFN_SHIFT(PT_PAGE_TABLE_LEVEL) must be 0. */ - return (gfn >> KVM_HPAGE_GFN_SHIFT(level)) - - (base_gfn >> KVM_HPAGE_GFN_SHIFT(level)); -} - static inline gfn_t hva_to_gfn_memslot(unsigned long hva, struct kvm_memory_slot *slot) { @@ -1066,6 +1075,7 @@ struct kvm_device *kvm_device_from_filp(struct file *filp); extern struct kvm_device_ops kvm_mpic_ops; extern struct kvm_device_ops kvm_xics_ops; +extern struct kvm_device_ops kvm_vfio_ops; #ifdef CONFIG_HAVE_KVM_CPU_RELAX_INTERCEPT diff --git a/include/linux/lglock.h b/include/linux/lglock.h index 0d24e932db0b..96549abe8842 100644 --- a/include/linux/lglock.h +++ b/include/linux/lglock.h @@ -25,16 +25,6 @@ #include <linux/cpu.h> #include <linux/notifier.h> -/* can make br locks by using local lock for read side, global lock for write */ -#define br_lock_init(name) lg_lock_init(name, #name) -#define br_read_lock(name) lg_local_lock(name) -#define br_read_unlock(name) lg_local_unlock(name) -#define br_write_lock(name) lg_global_lock(name) -#define br_write_unlock(name) lg_global_unlock(name) - -#define DEFINE_BRLOCK(name) DEFINE_LGLOCK(name) -#define DEFINE_STATIC_BRLOCK(name) DEFINE_STATIC_LGLOCK(name) - #ifdef CONFIG_DEBUG_LOCK_ALLOC #define LOCKDEP_INIT_MAP lockdep_init_map #else diff --git a/include/linux/list.h b/include/linux/list.h index f4d8a2f12a33..ef9594171062 100644 --- a/include/linux/list.h +++ b/include/linux/list.h @@ -362,6 +362,17 @@ static inline void list_splice_tail_init(struct list_head *list, list_entry((ptr)->next, type, member) /** + * list_last_entry - get the last element from a list + * @ptr: the list head to take the element from. + * @type: the type of the struct this is embedded in. + * @member: the name of the list_struct within the struct. + * + * Note, that list is expected to be not empty. + */ +#define list_last_entry(ptr, type, member) \ + list_entry((ptr)->prev, type, member) + +/** * list_first_entry_or_null - get the first element from a list * @ptr: the list head to take the element from. * @type: the type of the struct this is embedded in. @@ -373,6 +384,22 @@ static inline void list_splice_tail_init(struct list_head *list, (!list_empty(ptr) ? list_first_entry(ptr, type, member) : NULL) /** + * list_next_entry - get the next element in list + * @pos: the type * to cursor + * @member: the name of the list_struct within the struct. + */ +#define list_next_entry(pos, member) \ + list_entry((pos)->member.next, typeof(*(pos)), member) + +/** + * list_prev_entry - get the prev element in list + * @pos: the type * to cursor + * @member: the name of the list_struct within the struct. + */ +#define list_prev_entry(pos, member) \ + list_entry((pos)->member.prev, typeof(*(pos)), member) + +/** * list_for_each - iterate over a list * @pos: the &struct list_head to use as a loop cursor. * @head: the head for your list. @@ -416,9 +443,9 @@ static inline void list_splice_tail_init(struct list_head *list, * @member: the name of the list_struct within the struct. */ #define list_for_each_entry(pos, head, member) \ - for (pos = list_entry((head)->next, typeof(*pos), member); \ - &pos->member != (head); \ - pos = list_entry(pos->member.next, typeof(*pos), member)) + for (pos = list_first_entry(head, typeof(*pos), member); \ + &pos->member != (head); \ + pos = list_next_entry(pos, member)) /** * list_for_each_entry_reverse - iterate backwards over list of given type. @@ -427,9 +454,9 @@ static inline void list_splice_tail_init(struct list_head *list, * @member: the name of the list_struct within the struct. */ #define list_for_each_entry_reverse(pos, head, member) \ - for (pos = list_entry((head)->prev, typeof(*pos), member); \ - &pos->member != (head); \ - pos = list_entry(pos->member.prev, typeof(*pos), member)) + for (pos = list_last_entry(head, typeof(*pos), member); \ + &pos->member != (head); \ + pos = list_prev_entry(pos, member)) /** * list_prepare_entry - prepare a pos entry for use in list_for_each_entry_continue() @@ -452,9 +479,9 @@ static inline void list_splice_tail_init(struct list_head *list, * the current position. */ #define list_for_each_entry_continue(pos, head, member) \ - for (pos = list_entry(pos->member.next, typeof(*pos), member); \ - &pos->member != (head); \ - pos = list_entry(pos->member.next, typeof(*pos), member)) + for (pos = list_next_entry(pos, member); \ + &pos->member != (head); \ + pos = list_next_entry(pos, member)) /** * list_for_each_entry_continue_reverse - iterate backwards from the given point @@ -466,9 +493,9 @@ static inline void list_splice_tail_init(struct list_head *list, * the current position. */ #define list_for_each_entry_continue_reverse(pos, head, member) \ - for (pos = list_entry(pos->member.prev, typeof(*pos), member); \ - &pos->member != (head); \ - pos = list_entry(pos->member.prev, typeof(*pos), member)) + for (pos = list_prev_entry(pos, member); \ + &pos->member != (head); \ + pos = list_prev_entry(pos, member)) /** * list_for_each_entry_from - iterate over list of given type from the current point @@ -479,8 +506,8 @@ static inline void list_splice_tail_init(struct list_head *list, * Iterate over list of given type, continuing from current position. */ #define list_for_each_entry_from(pos, head, member) \ - for (; &pos->member != (head); \ - pos = list_entry(pos->member.next, typeof(*pos), member)) + for (; &pos->member != (head); \ + pos = list_next_entry(pos, member)) /** * list_for_each_entry_safe - iterate over list of given type safe against removal of list entry @@ -490,10 +517,10 @@ static inline void list_splice_tail_init(struct list_head *list, * @member: the name of the list_struct within the struct. */ #define list_for_each_entry_safe(pos, n, head, member) \ - for (pos = list_entry((head)->next, typeof(*pos), member), \ - n = list_entry(pos->member.next, typeof(*pos), member); \ + for (pos = list_first_entry(head, typeof(*pos), member), \ + n = list_next_entry(pos, member); \ &pos->member != (head); \ - pos = n, n = list_entry(n->member.next, typeof(*n), member)) + pos = n, n = list_next_entry(n, member)) /** * list_for_each_entry_safe_continue - continue list iteration safe against removal @@ -506,10 +533,10 @@ static inline void list_splice_tail_init(struct list_head *list, * safe against removal of list entry. */ #define list_for_each_entry_safe_continue(pos, n, head, member) \ - for (pos = list_entry(pos->member.next, typeof(*pos), member), \ - n = list_entry(pos->member.next, typeof(*pos), member); \ + for (pos = list_next_entry(pos, member), \ + n = list_next_entry(pos, member); \ &pos->member != (head); \ - pos = n, n = list_entry(n->member.next, typeof(*n), member)) + pos = n, n = list_next_entry(n, member)) /** * list_for_each_entry_safe_from - iterate over list from current point safe against removal @@ -522,9 +549,9 @@ static inline void list_splice_tail_init(struct list_head *list, * removal of list entry. */ #define list_for_each_entry_safe_from(pos, n, head, member) \ - for (n = list_entry(pos->member.next, typeof(*pos), member); \ + for (n = list_next_entry(pos, member); \ &pos->member != (head); \ - pos = n, n = list_entry(n->member.next, typeof(*n), member)) + pos = n, n = list_next_entry(n, member)) /** * list_for_each_entry_safe_reverse - iterate backwards over list safe against removal @@ -537,10 +564,10 @@ static inline void list_splice_tail_init(struct list_head *list, * of list entry. */ #define list_for_each_entry_safe_reverse(pos, n, head, member) \ - for (pos = list_entry((head)->prev, typeof(*pos), member), \ - n = list_entry(pos->member.prev, typeof(*pos), member); \ + for (pos = list_last_entry(head, typeof(*pos), member), \ + n = list_prev_entry(pos, member); \ &pos->member != (head); \ - pos = n, n = list_entry(n->member.prev, typeof(*n), member)) + pos = n, n = list_prev_entry(n, member)) /** * list_safe_reset_next - reset a stale list_for_each_entry_safe loop @@ -555,7 +582,7 @@ static inline void list_splice_tail_init(struct list_head *list, * completing the current iteration of the loop body. */ #define list_safe_reset_next(pos, n, member) \ - n = list_entry(pos->member.next, typeof(*pos), member) + n = list_next_entry(pos, member) /* * Double linked lists with a single pointer list head. diff --git a/include/linux/llist.h b/include/linux/llist.h index 8828a78dec9a..fbf10a0bc095 100644 --- a/include/linux/llist.h +++ b/include/linux/llist.h @@ -195,4 +195,6 @@ static inline struct llist_node *llist_del_all(struct llist_head *head) extern struct llist_node *llist_del_first(struct llist_head *head); +struct llist_node *llist_reverse_order(struct llist_node *head); + #endif /* LLIST_H */ diff --git a/include/linux/lockdep.h b/include/linux/lockdep.h index cfc2f119779a..92b1bfc5da60 100644 --- a/include/linux/lockdep.h +++ b/include/linux/lockdep.h @@ -497,6 +497,10 @@ static inline void print_irqtrace_events(struct task_struct *curr) #define rwlock_acquire_read(l, s, t, i) lock_acquire_shared_recursive(l, s, t, NULL, i) #define rwlock_release(l, n, i) lock_release(l, n, i) +#define seqcount_acquire(l, s, t, i) lock_acquire_exclusive(l, s, t, NULL, i) +#define seqcount_acquire_read(l, s, t, i) lock_acquire_shared_recursive(l, s, t, NULL, i) +#define seqcount_release(l, n, i) lock_release(l, n, i) + #define mutex_acquire(l, s, t, i) lock_acquire_exclusive(l, s, t, NULL, i) #define mutex_acquire_nest(l, s, t, n, i) lock_acquire_exclusive(l, s, t, n, i) #define mutex_release(l, n, i) lock_release(l, n, i) @@ -504,11 +508,11 @@ static inline void print_irqtrace_events(struct task_struct *curr) #define rwsem_acquire(l, s, t, i) lock_acquire_exclusive(l, s, t, NULL, i) #define rwsem_acquire_nest(l, s, t, n, i) lock_acquire_exclusive(l, s, t, n, i) #define rwsem_acquire_read(l, s, t, i) lock_acquire_shared(l, s, t, NULL, i) -# define rwsem_release(l, n, i) lock_release(l, n, i) +#define rwsem_release(l, n, i) lock_release(l, n, i) #define lock_map_acquire(l) lock_acquire_exclusive(l, 0, 0, NULL, _THIS_IP_) #define lock_map_acquire_read(l) lock_acquire_shared_recursive(l, 0, 0, NULL, _THIS_IP_) -# define lock_map_release(l) lock_release(l, 1, _THIS_IP_) +#define lock_map_release(l) lock_release(l, 1, _THIS_IP_) #ifdef CONFIG_PROVE_LOCKING # define might_lock(lock) \ diff --git a/include/linux/lockref.h b/include/linux/lockref.h index 13dfd36a3294..c8929c3832db 100644 --- a/include/linux/lockref.h +++ b/include/linux/lockref.h @@ -15,10 +15,15 @@ */ #include <linux/spinlock.h> +#include <generated/bounds.h> + +#define USE_CMPXCHG_LOCKREF \ + (IS_ENABLED(CONFIG_ARCH_USE_CMPXCHG_LOCKREF) && \ + IS_ENABLED(CONFIG_SMP) && !BLOATED_SPINLOCKS) struct lockref { union { -#ifdef CONFIG_CMPXCHG_LOCKREF +#if USE_CMPXCHG_LOCKREF aligned_u64 lock_count; #endif struct { diff --git a/include/linux/memblock.h b/include/linux/memblock.h index 31e95acddb4d..77c60e52939d 100644 --- a/include/linux/memblock.h +++ b/include/linux/memblock.h @@ -35,6 +35,7 @@ struct memblock_type { }; struct memblock { + bool bottom_up; /* is bottom up direction? */ phys_addr_t current_limit; struct memblock_type memory; struct memblock_type reserved; @@ -148,6 +149,29 @@ phys_addr_t memblock_alloc_try_nid(phys_addr_t size, phys_addr_t align, int nid) phys_addr_t memblock_alloc(phys_addr_t size, phys_addr_t align); +#ifdef CONFIG_MOVABLE_NODE +/* + * Set the allocation direction to bottom-up or top-down. + */ +static inline void memblock_set_bottom_up(bool enable) +{ + memblock.bottom_up = enable; +} + +/* + * Check if the allocation direction is bottom-up or not. + * if this is true, that said, memblock will allocate memory + * in bottom-up direction. + */ +static inline bool memblock_bottom_up(void) +{ + return memblock.bottom_up; +} +#else +static inline void memblock_set_bottom_up(bool enable) {} +static inline bool memblock_bottom_up(void) { return false; } +#endif + /* Flags for memblock_alloc_base() amd __memblock_alloc_base() */ #define MEMBLOCK_ALLOC_ANYWHERE (~(phys_addr_t)0) #define MEMBLOCK_ALLOC_ACCESSIBLE 0 diff --git a/include/linux/memory_hotplug.h b/include/linux/memory_hotplug.h index dd38e62b84d2..4ca3d951fe91 100644 --- a/include/linux/memory_hotplug.h +++ b/include/linux/memory_hotplug.h @@ -94,6 +94,8 @@ extern void __online_page_set_limits(struct page *page); extern void __online_page_increment_counters(struct page *page); extern void __online_page_free(struct page *page); +extern int try_online_node(int nid); + #ifdef CONFIG_MEMORY_HOTREMOVE extern bool is_pageblock_removable_nolock(struct page *page); extern int arch_remove_memory(u64 start, u64 size); @@ -225,6 +227,11 @@ static inline void register_page_bootmem_info_node(struct pglist_data *pgdat) { } +static inline int try_online_node(int nid) +{ + return 0; +} + static inline void lock_memory_hotplug(void) {} static inline void unlock_memory_hotplug(void) {} @@ -256,14 +263,12 @@ static inline void remove_memory(int nid, u64 start, u64 size) {} extern int walk_memory_range(unsigned long start_pfn, unsigned long end_pfn, void *arg, int (*func)(struct memory_block *, void *)); -extern int mem_online_node(int nid); extern int add_memory(int nid, u64 start, u64 size); extern int arch_add_memory(int nid, u64 start, u64 size); extern int offline_pages(unsigned long start_pfn, unsigned long nr_pages); extern bool is_memblock_offlined(struct memory_block *mem); extern void remove_memory(int nid, u64 start, u64 size); -extern int sparse_add_one_section(struct zone *zone, unsigned long start_pfn, - int nr_pages); +extern int sparse_add_one_section(struct zone *zone, unsigned long start_pfn); extern void sparse_remove_one_section(struct zone *zone, struct mem_section *ms); extern struct page *sparse_decode_mem_map(unsigned long coded_mem_map, unsigned long pnum); diff --git a/include/linux/mempolicy.h b/include/linux/mempolicy.h index ea4d2495c646..9fe426b30a41 100644 --- a/include/linux/mempolicy.h +++ b/include/linux/mempolicy.h @@ -169,7 +169,7 @@ int do_migrate_pages(struct mm_struct *mm, const nodemask_t *from, extern int mpol_parse_str(char *str, struct mempolicy **mpol); #endif -extern int mpol_to_str(char *buffer, int maxlen, struct mempolicy *pol); +extern void mpol_to_str(char *buffer, int maxlen, struct mempolicy *pol); /* Check if a vma is migratable */ static inline int vma_migratable(struct vm_area_struct *vma) @@ -307,9 +307,8 @@ static inline int mpol_parse_str(char *str, struct mempolicy **mpol) } #endif -static inline int mpol_to_str(char *buffer, int maxlen, struct mempolicy *pol) +static inline void mpol_to_str(char *buffer, int maxlen, struct mempolicy *pol) { - return 0; } static inline int mpol_misplaced(struct page *page, struct vm_area_struct *vma, diff --git a/include/linux/mfd/arizona/registers.h b/include/linux/mfd/arizona/registers.h index 4706d3d46e56..cb49417f8ba9 100644 --- a/include/linux/mfd/arizona/registers.h +++ b/include/linux/mfd/arizona/registers.h @@ -1908,7 +1908,7 @@ #define ARIZONA_FLL2_SYNC_GAIN_MASK 0x003c /* FLL2_SYNC_GAIN */ #define ARIZONA_FLL2_SYNC_GAIN_SHIFT 2 /* FLL2_SYNC_GAIN */ #define ARIZONA_FLL2_SYNC_GAIN_WIDTH 4 /* FLL2_SYNC_GAIN */ -#define ARIZONA_FLL2_SYNC_BW_MASK 0x0001 /* FLL2_SYNC_BW */ +#define ARIZONA_FLL2_SYNC_BW 0x0001 /* FLL2_SYNC_BW */ #define ARIZONA_FLL2_SYNC_BW_MASK 0x0001 /* FLL2_SYNC_BW */ #define ARIZONA_FLL2_SYNC_BW_SHIFT 0 /* FLL2_SYNC_BW */ #define ARIZONA_FLL2_SYNC_BW_WIDTH 1 /* FLL2_SYNC_BW */ diff --git a/include/linux/mfd/as3722.h b/include/linux/mfd/as3722.h new file mode 100644 index 000000000000..16bf8a0dcd97 --- /dev/null +++ b/include/linux/mfd/as3722.h @@ -0,0 +1,423 @@ +/* + * as3722 definitions + * + * Copyright (C) 2013 ams + * Copyright (c) 2013, NVIDIA Corporation. All rights reserved. + * + * Author: Florian Lobmaier <florian.lobmaier@ams.com> + * Author: Laxman Dewangan <ldewangan@nvidia.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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + */ + +#ifndef __LINUX_MFD_AS3722_H__ +#define __LINUX_MFD_AS3722_H__ + +#include <linux/regmap.h> + +/* AS3722 registers */ +#define AS3722_SD0_VOLTAGE_REG 0x00 +#define AS3722_SD1_VOLTAGE_REG 0x01 +#define AS3722_SD2_VOLTAGE_REG 0x02 +#define AS3722_SD3_VOLTAGE_REG 0x03 +#define AS3722_SD4_VOLTAGE_REG 0x04 +#define AS3722_SD5_VOLTAGE_REG 0x05 +#define AS3722_SD6_VOLTAGE_REG 0x06 +#define AS3722_GPIO0_CONTROL_REG 0x08 +#define AS3722_GPIO1_CONTROL_REG 0x09 +#define AS3722_GPIO2_CONTROL_REG 0x0A +#define AS3722_GPIO3_CONTROL_REG 0x0B +#define AS3722_GPIO4_CONTROL_REG 0x0C +#define AS3722_GPIO5_CONTROL_REG 0x0D +#define AS3722_GPIO6_CONTROL_REG 0x0E +#define AS3722_GPIO7_CONTROL_REG 0x0F +#define AS3722_LDO0_VOLTAGE_REG 0x10 +#define AS3722_LDO1_VOLTAGE_REG 0x11 +#define AS3722_LDO2_VOLTAGE_REG 0x12 +#define AS3722_LDO3_VOLTAGE_REG 0x13 +#define AS3722_LDO4_VOLTAGE_REG 0x14 +#define AS3722_LDO5_VOLTAGE_REG 0x15 +#define AS3722_LDO6_VOLTAGE_REG 0x16 +#define AS3722_LDO7_VOLTAGE_REG 0x17 +#define AS3722_LDO9_VOLTAGE_REG 0x19 +#define AS3722_LDO10_VOLTAGE_REG 0x1A +#define AS3722_LDO11_VOLTAGE_REG 0x1B +#define AS3722_GPIO_DEB1_REG 0x1E +#define AS3722_GPIO_DEB2_REG 0x1F +#define AS3722_GPIO_SIGNAL_OUT_REG 0x20 +#define AS3722_GPIO_SIGNAL_IN_REG 0x21 +#define AS3722_REG_SEQU_MOD1_REG 0x22 +#define AS3722_REG_SEQU_MOD2_REG 0x23 +#define AS3722_REG_SEQU_MOD3_REG 0x24 +#define AS3722_SD_PHSW_CTRL_REG 0x27 +#define AS3722_SD_PHSW_STATUS 0x28 +#define AS3722_SD0_CONTROL_REG 0x29 +#define AS3722_SD1_CONTROL_REG 0x2A +#define AS3722_SDmph_CONTROL_REG 0x2B +#define AS3722_SD23_CONTROL_REG 0x2C +#define AS3722_SD4_CONTROL_REG 0x2D +#define AS3722_SD5_CONTROL_REG 0x2E +#define AS3722_SD6_CONTROL_REG 0x2F +#define AS3722_SD_DVM_REG 0x30 +#define AS3722_RESET_REASON_REG 0x31 +#define AS3722_BATTERY_VOLTAGE_MONITOR_REG 0x32 +#define AS3722_STARTUP_CONTROL_REG 0x33 +#define AS3722_RESET_TIMER_REG 0x34 +#define AS3722_REFERENCE_CONTROL_REG 0x35 +#define AS3722_RESET_CONTROL_REG 0x36 +#define AS3722_OVER_TEMP_CONTROL_REG 0x37 +#define AS3722_WATCHDOG_CONTROL_REG 0x38 +#define AS3722_REG_STANDBY_MOD1_REG 0x39 +#define AS3722_REG_STANDBY_MOD2_REG 0x3A +#define AS3722_REG_STANDBY_MOD3_REG 0x3B +#define AS3722_ENABLE_CTRL1_REG 0x3C +#define AS3722_ENABLE_CTRL2_REG 0x3D +#define AS3722_ENABLE_CTRL3_REG 0x3E +#define AS3722_ENABLE_CTRL4_REG 0x3F +#define AS3722_ENABLE_CTRL5_REG 0x40 +#define AS3722_PWM_CONTROL_L_REG 0x41 +#define AS3722_PWM_CONTROL_H_REG 0x42 +#define AS3722_WATCHDOG_TIMER_REG 0x46 +#define AS3722_WATCHDOG_SOFTWARE_SIGNAL_REG 0x48 +#define AS3722_IOVOLTAGE_REG 0x49 +#define AS3722_BATTERY_VOLTAGE_MONITOR2_REG 0x4A +#define AS3722_SD_CONTROL_REG 0x4D +#define AS3722_LDOCONTROL0_REG 0x4E +#define AS3722_LDOCONTROL1_REG 0x4F +#define AS3722_SD0_PROTECT_REG 0x50 +#define AS3722_SD6_PROTECT_REG 0x51 +#define AS3722_PWM_VCONTROL1_REG 0x52 +#define AS3722_PWM_VCONTROL2_REG 0x53 +#define AS3722_PWM_VCONTROL3_REG 0x54 +#define AS3722_PWM_VCONTROL4_REG 0x55 +#define AS3722_BB_CHARGER_REG 0x57 +#define AS3722_CTRL_SEQU1_REG 0x58 +#define AS3722_CTRL_SEQU2_REG 0x59 +#define AS3722_OVCURRENT_REG 0x5A +#define AS3722_OVCURRENT_DEB_REG 0x5B +#define AS3722_SDLV_DEB_REG 0x5C +#define AS3722_OC_PG_CTRL_REG 0x5D +#define AS3722_OC_PG_CTRL2_REG 0x5E +#define AS3722_CTRL_STATUS 0x5F +#define AS3722_RTC_CONTROL_REG 0x60 +#define AS3722_RTC_SECOND_REG 0x61 +#define AS3722_RTC_MINUTE_REG 0x62 +#define AS3722_RTC_HOUR_REG 0x63 +#define AS3722_RTC_DAY_REG 0x64 +#define AS3722_RTC_MONTH_REG 0x65 +#define AS3722_RTC_YEAR_REG 0x66 +#define AS3722_RTC_ALARM_SECOND_REG 0x67 +#define AS3722_RTC_ALARM_MINUTE_REG 0x68 +#define AS3722_RTC_ALARM_HOUR_REG 0x69 +#define AS3722_RTC_ALARM_DAY_REG 0x6A +#define AS3722_RTC_ALARM_MONTH_REG 0x6B +#define AS3722_RTC_ALARM_YEAR_REG 0x6C +#define AS3722_SRAM_REG 0x6D +#define AS3722_RTC_ACCESS_REG 0x6F +#define AS3722_RTC_STATUS_REG 0x73 +#define AS3722_INTERRUPT_MASK1_REG 0x74 +#define AS3722_INTERRUPT_MASK2_REG 0x75 +#define AS3722_INTERRUPT_MASK3_REG 0x76 +#define AS3722_INTERRUPT_MASK4_REG 0x77 +#define AS3722_INTERRUPT_STATUS1_REG 0x78 +#define AS3722_INTERRUPT_STATUS2_REG 0x79 +#define AS3722_INTERRUPT_STATUS3_REG 0x7A +#define AS3722_INTERRUPT_STATUS4_REG 0x7B +#define AS3722_TEMP_STATUS_REG 0x7D +#define AS3722_ADC0_CONTROL_REG 0x80 +#define AS3722_ADC1_CONTROL_REG 0x81 +#define AS3722_ADC0_MSB_RESULT_REG 0x82 +#define AS3722_ADC0_LSB_RESULT_REG 0x83 +#define AS3722_ADC1_MSB_RESULT_REG 0x84 +#define AS3722_ADC1_LSB_RESULT_REG 0x85 +#define AS3722_ADC1_THRESHOLD_HI_MSB_REG 0x86 +#define AS3722_ADC1_THRESHOLD_HI_LSB_REG 0x87 +#define AS3722_ADC1_THRESHOLD_LO_MSB_REG 0x88 +#define AS3722_ADC1_THRESHOLD_LO_LSB_REG 0x89 +#define AS3722_ADC_CONFIGURATION_REG 0x8A +#define AS3722_ASIC_ID1_REG 0x90 +#define AS3722_ASIC_ID2_REG 0x91 +#define AS3722_LOCK_REG 0x9E +#define AS3722_MAX_REGISTER 0xF4 + +#define AS3722_SD0_EXT_ENABLE_MASK 0x03 +#define AS3722_SD1_EXT_ENABLE_MASK 0x0C +#define AS3722_SD2_EXT_ENABLE_MASK 0x30 +#define AS3722_SD3_EXT_ENABLE_MASK 0xC0 +#define AS3722_SD4_EXT_ENABLE_MASK 0x03 +#define AS3722_SD5_EXT_ENABLE_MASK 0x0C +#define AS3722_SD6_EXT_ENABLE_MASK 0x30 +#define AS3722_LDO0_EXT_ENABLE_MASK 0x03 +#define AS3722_LDO1_EXT_ENABLE_MASK 0x0C +#define AS3722_LDO2_EXT_ENABLE_MASK 0x30 +#define AS3722_LDO3_EXT_ENABLE_MASK 0xC0 +#define AS3722_LDO4_EXT_ENABLE_MASK 0x03 +#define AS3722_LDO5_EXT_ENABLE_MASK 0x0C +#define AS3722_LDO6_EXT_ENABLE_MASK 0x30 +#define AS3722_LDO7_EXT_ENABLE_MASK 0xC0 +#define AS3722_LDO9_EXT_ENABLE_MASK 0x0C +#define AS3722_LDO10_EXT_ENABLE_MASK 0x30 +#define AS3722_LDO11_EXT_ENABLE_MASK 0xC0 + +#define AS3722_OVCURRENT_SD0_ALARM_MASK 0x07 +#define AS3722_OVCURRENT_SD0_ALARM_SHIFT 0x01 +#define AS3722_OVCURRENT_SD0_TRIP_MASK 0x18 +#define AS3722_OVCURRENT_SD0_TRIP_SHIFT 0x03 +#define AS3722_OVCURRENT_SD1_TRIP_MASK 0x60 +#define AS3722_OVCURRENT_SD1_TRIP_SHIFT 0x05 + +#define AS3722_OVCURRENT_SD6_ALARM_MASK 0x07 +#define AS3722_OVCURRENT_SD6_ALARM_SHIFT 0x01 +#define AS3722_OVCURRENT_SD6_TRIP_MASK 0x18 +#define AS3722_OVCURRENT_SD6_TRIP_SHIFT 0x03 + +/* AS3722 register bits and bit masks */ +#define AS3722_LDO_ILIMIT_MASK BIT(7) +#define AS3722_LDO_ILIMIT_BIT BIT(7) +#define AS3722_LDO0_VSEL_MASK 0x1F +#define AS3722_LDO0_VSEL_MIN 0x01 +#define AS3722_LDO0_VSEL_MAX 0x12 +#define AS3722_LDO0_NUM_VOLT 0x12 +#define AS3722_LDO3_VSEL_MASK 0x3F +#define AS3722_LDO3_VSEL_MIN 0x01 +#define AS3722_LDO3_VSEL_MAX 0x2D +#define AS3722_LDO3_NUM_VOLT 0x2D +#define AS3722_LDO_VSEL_MASK 0x7F +#define AS3722_LDO_VSEL_MIN 0x01 +#define AS3722_LDO_VSEL_MAX 0x7F +#define AS3722_LDO_VSEL_DNU_MIN 0x25 +#define AS3722_LDO_VSEL_DNU_MAX 0x3F +#define AS3722_LDO_NUM_VOLT 0x80 + +#define AS3722_LDO0_CTRL BIT(0) +#define AS3722_LDO1_CTRL BIT(1) +#define AS3722_LDO2_CTRL BIT(2) +#define AS3722_LDO3_CTRL BIT(3) +#define AS3722_LDO4_CTRL BIT(4) +#define AS3722_LDO5_CTRL BIT(5) +#define AS3722_LDO6_CTRL BIT(6) +#define AS3722_LDO7_CTRL BIT(7) +#define AS3722_LDO9_CTRL BIT(1) +#define AS3722_LDO10_CTRL BIT(2) +#define AS3722_LDO11_CTRL BIT(3) + +#define AS3722_LDO3_MODE_MASK (3 << 6) +#define AS3722_LDO3_MODE_VAL(n) (((n) & 0x3) << 6) +#define AS3722_LDO3_MODE_PMOS AS3722_LDO3_MODE_VAL(0) +#define AS3722_LDO3_MODE_PMOS_TRACKING AS3722_LDO3_MODE_VAL(1) +#define AS3722_LDO3_MODE_NMOS AS3722_LDO3_MODE_VAL(2) +#define AS3722_LDO3_MODE_SWITCH AS3722_LDO3_MODE_VAL(3) + +#define AS3722_SD_VSEL_MASK 0x7F +#define AS3722_SD0_VSEL_MIN 0x01 +#define AS3722_SD0_VSEL_MAX 0x5A +#define AS3722_SD2_VSEL_MIN 0x01 +#define AS3722_SD2_VSEL_MAX 0x7F + +#define AS3722_SDn_CTRL(n) BIT(n) + +#define AS3722_SD0_MODE_FAST BIT(4) +#define AS3722_SD1_MODE_FAST BIT(4) +#define AS3722_SD2_MODE_FAST BIT(2) +#define AS3722_SD3_MODE_FAST BIT(6) +#define AS3722_SD4_MODE_FAST BIT(2) +#define AS3722_SD5_MODE_FAST BIT(2) +#define AS3722_SD6_MODE_FAST BIT(4) + +#define AS3722_POWER_OFF BIT(1) + +#define AS3722_INTERRUPT_MASK1_LID BIT(0) +#define AS3722_INTERRUPT_MASK1_ACOK BIT(1) +#define AS3722_INTERRUPT_MASK1_ENABLE1 BIT(2) +#define AS3722_INTERRUPT_MASK1_OCURR_ALARM_SD0 BIT(3) +#define AS3722_INTERRUPT_MASK1_ONKEY_LONG BIT(4) +#define AS3722_INTERRUPT_MASK1_ONKEY BIT(5) +#define AS3722_INTERRUPT_MASK1_OVTMP BIT(6) +#define AS3722_INTERRUPT_MASK1_LOWBAT BIT(7) + +#define AS3722_INTERRUPT_MASK2_SD0_LV BIT(0) +#define AS3722_INTERRUPT_MASK2_SD1_LV BIT(1) +#define AS3722_INTERRUPT_MASK2_SD2345_LV BIT(2) +#define AS3722_INTERRUPT_MASK2_PWM1_OV_PROT BIT(3) +#define AS3722_INTERRUPT_MASK2_PWM2_OV_PROT BIT(4) +#define AS3722_INTERRUPT_MASK2_ENABLE2 BIT(5) +#define AS3722_INTERRUPT_MASK2_SD6_LV BIT(6) +#define AS3722_INTERRUPT_MASK2_RTC_REP BIT(7) + +#define AS3722_INTERRUPT_MASK3_RTC_ALARM BIT(0) +#define AS3722_INTERRUPT_MASK3_GPIO1 BIT(1) +#define AS3722_INTERRUPT_MASK3_GPIO2 BIT(2) +#define AS3722_INTERRUPT_MASK3_GPIO3 BIT(3) +#define AS3722_INTERRUPT_MASK3_GPIO4 BIT(4) +#define AS3722_INTERRUPT_MASK3_GPIO5 BIT(5) +#define AS3722_INTERRUPT_MASK3_WATCHDOG BIT(6) +#define AS3722_INTERRUPT_MASK3_ENABLE3 BIT(7) + +#define AS3722_INTERRUPT_MASK4_TEMP_SD0_SHUTDOWN BIT(0) +#define AS3722_INTERRUPT_MASK4_TEMP_SD1_SHUTDOWN BIT(1) +#define AS3722_INTERRUPT_MASK4_TEMP_SD6_SHUTDOWN BIT(2) +#define AS3722_INTERRUPT_MASK4_TEMP_SD0_ALARM BIT(3) +#define AS3722_INTERRUPT_MASK4_TEMP_SD1_ALARM BIT(4) +#define AS3722_INTERRUPT_MASK4_TEMP_SD6_ALARM BIT(5) +#define AS3722_INTERRUPT_MASK4_OCCUR_ALARM_SD6 BIT(6) +#define AS3722_INTERRUPT_MASK4_ADC BIT(7) + +#define AS3722_ADC1_INTERVAL_TIME BIT(0) +#define AS3722_ADC1_INT_MODE_ON BIT(1) +#define AS3722_ADC_BUF_ON BIT(2) +#define AS3722_ADC1_LOW_VOLTAGE_RANGE BIT(5) +#define AS3722_ADC1_INTEVAL_SCAN BIT(6) +#define AS3722_ADC1_INT_MASK BIT(7) + +#define AS3722_ADC_MSB_VAL_MASK 0x7F +#define AS3722_ADC_LSB_VAL_MASK 0x07 + +#define AS3722_ADC0_CONV_START BIT(7) +#define AS3722_ADC0_CONV_NOTREADY BIT(7) +#define AS3722_ADC0_SOURCE_SELECT_MASK 0x1F + +#define AS3722_ADC1_CONV_START BIT(7) +#define AS3722_ADC1_CONV_NOTREADY BIT(7) +#define AS3722_ADC1_SOURCE_SELECT_MASK 0x1F + +/* GPIO modes */ +#define AS3722_GPIO_MODE_MASK 0x07 +#define AS3722_GPIO_MODE_INPUT 0x00 +#define AS3722_GPIO_MODE_OUTPUT_VDDH 0x01 +#define AS3722_GPIO_MODE_IO_OPEN_DRAIN 0x02 +#define AS3722_GPIO_MODE_ADC_IN 0x03 +#define AS3722_GPIO_MODE_INPUT_PULL_UP 0x04 +#define AS3722_GPIO_MODE_INPUT_PULL_DOWN 0x05 +#define AS3722_GPIO_MODE_IO_OPEN_DRAIN_PULL_UP 0x06 +#define AS3722_GPIO_MODE_OUTPUT_VDDL 0x07 +#define AS3722_GPIO_MODE_VAL(n) ((n) & AS3722_GPIO_MODE_MASK) + +#define AS3722_GPIO_INV BIT(7) +#define AS3722_GPIO_IOSF_MASK 0x78 +#define AS3722_GPIO_IOSF_VAL(n) (((n) & 0xF) << 3) +#define AS3722_GPIO_IOSF_NORMAL AS3722_GPIO_IOSF_VAL(0) +#define AS3722_GPIO_IOSF_INTERRUPT_OUT AS3722_GPIO_IOSF_VAL(1) +#define AS3722_GPIO_IOSF_VSUP_LOW_OUT AS3722_GPIO_IOSF_VAL(2) +#define AS3722_GPIO_IOSF_GPIO_INTERRUPT_IN AS3722_GPIO_IOSF_VAL(3) +#define AS3722_GPIO_IOSF_ISINK_PWM_IN AS3722_GPIO_IOSF_VAL(4) +#define AS3722_GPIO_IOSF_VOLTAGE_STBY AS3722_GPIO_IOSF_VAL(5) +#define AS3722_GPIO_IOSF_PWR_GOOD_OUT AS3722_GPIO_IOSF_VAL(7) +#define AS3722_GPIO_IOSF_Q32K_OUT AS3722_GPIO_IOSF_VAL(8) +#define AS3722_GPIO_IOSF_WATCHDOG_IN AS3722_GPIO_IOSF_VAL(9) +#define AS3722_GPIO_IOSF_SOFT_RESET_IN AS3722_GPIO_IOSF_VAL(11) +#define AS3722_GPIO_IOSF_PWM_OUT AS3722_GPIO_IOSF_VAL(12) +#define AS3722_GPIO_IOSF_VSUP_LOW_DEB_OUT AS3722_GPIO_IOSF_VAL(13) +#define AS3722_GPIO_IOSF_SD6_LOW_VOLT_LOW AS3722_GPIO_IOSF_VAL(14) + +#define AS3722_GPIOn_SIGNAL(n) BIT(n) +#define AS3722_GPIOn_CONTROL_REG(n) (AS3722_GPIO0_CONTROL_REG + n) +#define AS3722_I2C_PULL_UP BIT(4) +#define AS3722_INT_PULL_UP BIT(5) + +#define AS3722_RTC_REP_WAKEUP_EN BIT(0) +#define AS3722_RTC_ALARM_WAKEUP_EN BIT(1) +#define AS3722_RTC_ON BIT(2) +#define AS3722_RTC_IRQMODE BIT(3) +#define AS3722_RTC_CLK32K_OUT_EN BIT(5) + +#define AS3722_WATCHDOG_TIMER_MAX 0x7F +#define AS3722_WATCHDOG_ON BIT(0) +#define AS3722_WATCHDOG_SW_SIG BIT(0) + +#define AS3722_EXT_CONTROL_ENABLE1 0x1 +#define AS3722_EXT_CONTROL_ENABLE2 0x2 +#define AS3722_EXT_CONTROL_ENABLE3 0x3 + +/* Interrupt IDs */ +enum as3722_irq { + AS3722_IRQ_LID, + AS3722_IRQ_ACOK, + AS3722_IRQ_ENABLE1, + AS3722_IRQ_OCCUR_ALARM_SD0, + AS3722_IRQ_ONKEY_LONG_PRESS, + AS3722_IRQ_ONKEY, + AS3722_IRQ_OVTMP, + AS3722_IRQ_LOWBAT, + AS3722_IRQ_SD0_LV, + AS3722_IRQ_SD1_LV, + AS3722_IRQ_SD2_LV, + AS3722_IRQ_PWM1_OV_PROT, + AS3722_IRQ_PWM2_OV_PROT, + AS3722_IRQ_ENABLE2, + AS3722_IRQ_SD6_LV, + AS3722_IRQ_RTC_REP, + AS3722_IRQ_RTC_ALARM, + AS3722_IRQ_GPIO1, + AS3722_IRQ_GPIO2, + AS3722_IRQ_GPIO3, + AS3722_IRQ_GPIO4, + AS3722_IRQ_GPIO5, + AS3722_IRQ_WATCHDOG, + AS3722_IRQ_ENABLE3, + AS3722_IRQ_TEMP_SD0_SHUTDOWN, + AS3722_IRQ_TEMP_SD1_SHUTDOWN, + AS3722_IRQ_TEMP_SD2_SHUTDOWN, + AS3722_IRQ_TEMP_SD0_ALARM, + AS3722_IRQ_TEMP_SD1_ALARM, + AS3722_IRQ_TEMP_SD6_ALARM, + AS3722_IRQ_OCCUR_ALARM_SD6, + AS3722_IRQ_ADC, + AS3722_IRQ_MAX, +}; + +struct as3722 { + struct device *dev; + struct regmap *regmap; + int chip_irq; + unsigned long irq_flags; + bool en_intern_int_pullup; + bool en_intern_i2c_pullup; + struct regmap_irq_chip_data *irq_data; +}; + +static inline int as3722_read(struct as3722 *as3722, u32 reg, u32 *dest) +{ + return regmap_read(as3722->regmap, reg, dest); +} + +static inline int as3722_write(struct as3722 *as3722, u32 reg, u32 value) +{ + return regmap_write(as3722->regmap, reg, value); +} + +static inline int as3722_block_read(struct as3722 *as3722, u32 reg, + int count, u8 *buf) +{ + return regmap_bulk_read(as3722->regmap, reg, buf, count); +} + +static inline int as3722_block_write(struct as3722 *as3722, u32 reg, + int count, u8 *data) +{ + return regmap_bulk_write(as3722->regmap, reg, data, count); +} + +static inline int as3722_update_bits(struct as3722 *as3722, u32 reg, + u32 mask, u8 val) +{ + return regmap_update_bits(as3722->regmap, reg, mask, val); +} + +static inline int as3722_irq_get_virq(struct as3722 *as3722, int irq) +{ + return regmap_irq_get_virq(as3722->irq_data, irq); +} +#endif /* __LINUX_MFD_AS3722_H__ */ diff --git a/include/linux/mfd/core.h b/include/linux/mfd/core.h index cebe97ee98b8..bdba8c61207b 100644 --- a/include/linux/mfd/core.h +++ b/include/linux/mfd/core.h @@ -59,6 +59,12 @@ struct mfd_cell { * pm_runtime_no_callbacks(). */ bool pm_runtime_no_callbacks; + + /* A list of regulator supplies that should be mapped to the MFD + * device rather than the child device when requested + */ + const char **parent_supplies; + int num_parent_supplies; }; /* @@ -98,7 +104,7 @@ static inline const struct mfd_cell *mfd_get_cell(struct platform_device *pdev) } extern int mfd_add_devices(struct device *parent, int id, - struct mfd_cell *cells, int n_devs, + const struct mfd_cell *cells, int n_devs, struct resource *mem_base, int irq_base, struct irq_domain *irq_domain); diff --git a/include/linux/mfd/da9052/da9052.h b/include/linux/mfd/da9052/da9052.h index 786d02eb79d2..21e21b81cc75 100644 --- a/include/linux/mfd/da9052/da9052.h +++ b/include/linux/mfd/da9052/da9052.h @@ -148,10 +148,15 @@ static inline int da9052_group_read(struct da9052 *da9052, unsigned char reg, unsigned reg_cnt, unsigned char *val) { int ret; + unsigned int tmp; + int i; - ret = regmap_bulk_read(da9052->regmap, reg, val, reg_cnt); - if (ret < 0) - return ret; + for (i = 0; i < reg_cnt; i++) { + ret = regmap_read(da9052->regmap, reg + i, &tmp); + val[i] = (unsigned char)tmp; + if (ret < 0) + return ret; + } if (da9052->fix_io) { ret = da9052->fix_io(da9052, reg); @@ -166,10 +171,13 @@ static inline int da9052_group_write(struct da9052 *da9052, unsigned char reg, unsigned reg_cnt, unsigned char *val) { int ret; + int i; - ret = regmap_raw_write(da9052->regmap, reg, val, reg_cnt); - if (ret < 0) - return ret; + for (i = 0; i < reg_cnt; i++) { + ret = regmap_write(da9052->regmap, reg + i, val[i]); + if (ret < 0) + return ret; + } if (da9052->fix_io) { ret = da9052->fix_io(da9052, reg); diff --git a/include/linux/mfd/max77693-private.h b/include/linux/mfd/max77693-private.h index 244fb0d51589..3e050b933dd0 100644 --- a/include/linux/mfd/max77693-private.h +++ b/include/linux/mfd/max77693-private.h @@ -323,7 +323,6 @@ struct max77693_dev { int irq; int irq_gpio; - bool wakeup; struct mutex irqlock; int irq_masks_cur[MAX77693_IRQ_GROUP_NR]; int irq_masks_cache[MAX77693_IRQ_GROUP_NR]; diff --git a/include/linux/mfd/max77693.h b/include/linux/mfd/max77693.h index 676f0f388992..3f3dc45f93ee 100644 --- a/include/linux/mfd/max77693.h +++ b/include/linux/mfd/max77693.h @@ -64,8 +64,6 @@ struct max77693_muic_platform_data { }; struct max77693_platform_data { - int wakeup; - /* regulator data */ struct max77693_regulator_data *regulators; int num_regulators; diff --git a/include/linux/mfd/mc13xxx.h b/include/linux/mfd/mc13xxx.h index 41ed59276c00..67c17b5a6f44 100644 --- a/include/linux/mfd/mc13xxx.h +++ b/include/linux/mfd/mc13xxx.h @@ -41,6 +41,13 @@ int mc13xxx_adc_do_conversion(struct mc13xxx *mc13xxx, unsigned int mode, unsigned int channel, u8 ato, bool atox, unsigned int *sample); +#define MC13783_AUDIO_RX0 36 +#define MC13783_AUDIO_RX1 37 +#define MC13783_AUDIO_TX 38 +#define MC13783_SSI_NETWORK 39 +#define MC13783_AUDIO_CODEC 40 +#define MC13783_AUDIO_DAC 41 + #define MC13XXX_IRQ_ADCDONE 0 #define MC13XXX_IRQ_ADCBISDONE 1 #define MC13XXX_IRQ_TS 2 diff --git a/include/linux/mfd/rtsx_pci.h b/include/linux/mfd/rtsx_pci.h index d1382dfbeff0..0ce772105508 100644 --- a/include/linux/mfd/rtsx_pci.h +++ b/include/linux/mfd/rtsx_pci.h @@ -756,6 +756,59 @@ #define PCR_SETTING_REG2 0x814 #define PCR_SETTING_REG3 0x747 +/* Phy bits */ +#define PHY_PCR_FORCE_CODE 0xB000 +#define PHY_PCR_OOBS_CALI_50 0x0800 +#define PHY_PCR_OOBS_VCM_08 0x0200 +#define PHY_PCR_OOBS_SEN_90 0x0040 +#define PHY_PCR_RSSI_EN 0x0002 + +#define PHY_RCR1_ADP_TIME 0x0100 +#define PHY_RCR1_VCO_COARSE 0x001F + +#define PHY_RCR2_EMPHASE_EN 0x8000 +#define PHY_RCR2_NADJR 0x4000 +#define PHY_RCR2_CDR_CP_10 0x0400 +#define PHY_RCR2_CDR_SR_2 0x0100 +#define PHY_RCR2_FREQSEL_12 0x0040 +#define PHY_RCR2_CPADJEN 0x0020 +#define PHY_RCR2_CDR_SC_8 0x0008 +#define PHY_RCR2_CALIB_LATE 0x0002 + +#define PHY_RDR_RXDSEL_1_9 0x4000 + +#define PHY_TUNE_TUNEREF_1_0 0x4000 +#define PHY_TUNE_VBGSEL_1252 0x0C00 +#define PHY_TUNE_SDBUS_33 0x0200 +#define PHY_TUNE_TUNED18 0x01C0 +#define PHY_TUNE_TUNED12 0X0020 + +#define PHY_BPCR_IBRXSEL 0x0400 +#define PHY_BPCR_IBTXSEL 0x0100 +#define PHY_BPCR_IB_FILTER 0x0080 +#define PHY_BPCR_CMIRROR_EN 0x0040 + +#define PHY_REG_REV_RESV 0xE000 +#define PHY_REG_REV_RXIDLE_LATCHED 0x1000 +#define PHY_REG_REV_P1_EN 0x0800 +#define PHY_REG_REV_RXIDLE_EN 0x0400 +#define PHY_REG_REV_CLKREQ_DLY_TIMER_1_0 0x0040 +#define PHY_REG_REV_STOP_CLKRD 0x0020 +#define PHY_REG_REV_RX_PWST 0x0008 +#define PHY_REG_REV_STOP_CLKWR 0x0004 + +#define PHY_FLD3_TIMER_4 0x7800 +#define PHY_FLD3_TIMER_6 0x00E0 +#define PHY_FLD3_RXDELINK 0x0004 + +#define PHY_FLD4_FLDEN_SEL 0x4000 +#define PHY_FLD4_REQ_REF 0x2000 +#define PHY_FLD4_RXAMP_OFF 0x1000 +#define PHY_FLD4_REQ_ADDA 0x0800 +#define PHY_FLD4_BER_COUNT 0x00E0 +#define PHY_FLD4_BER_TIMER 0x000A +#define PHY_FLD4_BER_CHK_EN 0x0001 + #define rtsx_pci_init_cmd(pcr) ((pcr)->ci = 0) struct rtsx_pcr; diff --git a/include/linux/mfd/samsung/core.h b/include/linux/mfd/samsung/core.h index 378ae8a04c6a..2d0c9071bcfb 100644 --- a/include/linux/mfd/samsung/core.h +++ b/include/linux/mfd/samsung/core.h @@ -51,6 +51,7 @@ struct sec_pmic_dev { int ono; int type; bool wakeup; + bool wtsr_smpl; }; int sec_irq_init(struct sec_pmic_dev *sec_pmic); diff --git a/include/linux/mfd/samsung/rtc.h b/include/linux/mfd/samsung/rtc.h index 71597e20cddb..94b7cd6d8891 100644 --- a/include/linux/mfd/samsung/rtc.h +++ b/include/linux/mfd/samsung/rtc.h @@ -62,6 +62,11 @@ enum sec_rtc_reg { /* RTC Update Register1 */ #define RTC_UDR_SHIFT 0 #define RTC_UDR_MASK (1 << RTC_UDR_SHIFT) +#define RTC_TCON_SHIFT 1 +#define RTC_TCON_MASK (1 << RTC_TCON_SHIFT) +#define RTC_TIME_EN_SHIFT 3 +#define RTC_TIME_EN_MASK (1 << RTC_TIME_EN_SHIFT) + /* RTC Hour register */ #define HOUR_PM_SHIFT 6 #define HOUR_PM_MASK (1 << HOUR_PM_SHIFT) @@ -69,6 +74,12 @@ enum sec_rtc_reg { #define ALARM_ENABLE_SHIFT 7 #define ALARM_ENABLE_MASK (1 << ALARM_ENABLE_SHIFT) +#define SMPL_ENABLE_SHIFT 7 +#define SMPL_ENABLE_MASK (1 << SMPL_ENABLE_SHIFT) + +#define WTSR_ENABLE_SHIFT 6 +#define WTSR_ENABLE_MASK (1 << WTSR_ENABLE_SHIFT) + enum { RTC_SEC = 0, RTC_MIN, diff --git a/include/linux/mfd/si476x-core.h b/include/linux/mfd/si476x-core.h index ba89b94e4a56..674b45d5a757 100644 --- a/include/linux/mfd/si476x-core.h +++ b/include/linux/mfd/si476x-core.h @@ -316,7 +316,7 @@ enum si476x_smoothmetrics { * response to 'FM_RD_STATUS' command * @rdstpptyint: Traffic program flag(TP) and/or program type(PTY) * code has changed. - * @rdspiint: Program indentifiaction(PI) code has changed. + * @rdspiint: Program identification(PI) code has changed. * @rdssyncint: RDS synchronization has changed. * @rdsfifoint: RDS was received and the RDS FIFO has at least * 'FM_RDS_INTERRUPT_FIFO_COUNT' elements in it. diff --git a/include/linux/mfd/stw481x.h b/include/linux/mfd/stw481x.h new file mode 100644 index 000000000000..eda121556e5d --- /dev/null +++ b/include/linux/mfd/stw481x.h @@ -0,0 +1,56 @@ +/* + * Copyright (C) 2011 ST-Ericsson SA + * Written on behalf of Linaro for ST-Ericsson + * + * Author: Linus Walleij <linus.walleij@linaro.org> + * + * License terms: GNU General Public License (GPL) version 2 + */ +#ifndef MFD_STW481X_H +#define MFD_STW481X_H + +#include <linux/i2c.h> +#include <linux/regulator/machine.h> +#include <linux/regmap.h> +#include <linux/bitops.h> + +/* These registers are accessed from more than one driver */ +#define STW_CONF1 0x11U +#define STW_CONF1_PDN_VMMC 0x01U +#define STW_CONF1_VMMC_MASK 0x0eU +#define STW_CONF1_VMMC_1_8V 0x02U +#define STW_CONF1_VMMC_2_85V 0x04U +#define STW_CONF1_VMMC_3V 0x06U +#define STW_CONF1_VMMC_1_85V 0x08U +#define STW_CONF1_VMMC_2_6V 0x0aU +#define STW_CONF1_VMMC_2_7V 0x0cU +#define STW_CONF1_VMMC_3_3V 0x0eU +#define STW_CONF1_MMC_LS_STATUS 0x10U +#define STW_PCTL_REG_LO 0x1eU +#define STW_PCTL_REG_HI 0x1fU +#define STW_CONF1_V_MONITORING 0x20U +#define STW_CONF1_IT_WARN 0x40U +#define STW_CONF1_PDN_VAUX 0x80U +#define STW_CONF2 0x20U +#define STW_CONF2_MASK_TWARN 0x01U +#define STW_CONF2_VMMC_EXT 0x02U +#define STW_CONF2_MASK_IT_WAKE_UP 0x04U +#define STW_CONF2_GPO1 0x08U +#define STW_CONF2_GPO2 0x10U +#define STW_VCORE_SLEEP 0x21U + +/** + * struct stw481x - state holder for the Stw481x drivers + * @mutex: mutex to serialize I2C accesses + * @i2c_client: corresponding I2C client + * @regulator: regulator device for regulator children + * @map: regmap handle to access device registers + */ +struct stw481x { + struct mutex lock; + struct i2c_client *client; + struct regulator_dev *vmmc_regulator; + struct regmap *map; +}; + +#endif diff --git a/include/linux/mfd/syscon.h b/include/linux/mfd/syscon.h index b473577f36db..8789fa3c7fd9 100644 --- a/include/linux/mfd/syscon.h +++ b/include/linux/mfd/syscon.h @@ -17,10 +17,35 @@ struct device_node; +#ifdef CONFIG_MFD_SYSCON extern struct regmap *syscon_node_to_regmap(struct device_node *np); extern struct regmap *syscon_regmap_lookup_by_compatible(const char *s); extern struct regmap *syscon_regmap_lookup_by_pdevname(const char *s); extern struct regmap *syscon_regmap_lookup_by_phandle( struct device_node *np, const char *property); +#else +static inline struct regmap *syscon_node_to_regmap(struct device_node *np) +{ + return ERR_PTR(-ENOSYS); +} + +static inline struct regmap *syscon_regmap_lookup_by_compatible(const char *s) +{ + return ERR_PTR(-ENOSYS); +} + +static inline struct regmap *syscon_regmap_lookup_by_pdevname(const char *s) +{ + return ERR_PTR(-ENOSYS); +} + +static inline struct regmap *syscon_regmap_lookup_by_phandle( + struct device_node *np, + const char *property) +{ + return ERR_PTR(-ENOSYS); +} +#endif + #endif /* __LINUX_MFD_SYSCON_H__ */ diff --git a/include/linux/mfd/syscon/imx6q-iomuxc-gpr.h b/include/linux/mfd/syscon/imx6q-iomuxc-gpr.h index 7086b2248c8f..b6d36b38b99c 100644 --- a/include/linux/mfd/syscon/imx6q-iomuxc-gpr.h +++ b/include/linux/mfd/syscon/imx6q-iomuxc-gpr.h @@ -241,6 +241,12 @@ #define IMX6Q_GPR5_L2_CLK_STOP BIT(8) +#define IMX6Q_GPR8_TX_SWING_LOW (0x7f << 25) +#define IMX6Q_GPR8_TX_SWING_FULL (0x7f << 18) +#define IMX6Q_GPR8_TX_DEEMPH_GEN2_6DB (0x3f << 12) +#define IMX6Q_GPR8_TX_DEEMPH_GEN2_3P5DB (0x3f << 6) +#define IMX6Q_GPR8_TX_DEEMPH_GEN1 (0x3f << 0) + #define IMX6Q_GPR9_TZASC2_BYP BIT(1) #define IMX6Q_GPR9_TZASC1_BYP BIT(0) @@ -273,7 +279,9 @@ #define IMX6Q_GPR12_ARMP_AHB_CLK_EN BIT(26) #define IMX6Q_GPR12_ARMP_ATB_CLK_EN BIT(25) #define IMX6Q_GPR12_ARMP_APB_CLK_EN BIT(24) +#define IMX6Q_GPR12_DEVICE_TYPE (0xf << 12) #define IMX6Q_GPR12_PCIE_CTL_2 BIT(10) +#define IMX6Q_GPR12_LOS_LEVEL (0x1f << 4) #define IMX6Q_GPR13_SDMA_STOP_REQ BIT(30) #define IMX6Q_GPR13_CAN2_STOP_REQ BIT(29) diff --git a/include/linux/mfd/ti_am335x_tscadc.h b/include/linux/mfd/ti_am335x_tscadc.h index 08cce7f96ab9..d498d98f0c2c 100644 --- a/include/linux/mfd/ti_am335x_tscadc.h +++ b/include/linux/mfd/ti_am335x_tscadc.h @@ -134,13 +134,18 @@ #define FIFO1_THRESHOLD 19 /* -* ADC runs at 3MHz, and it takes -* 15 cycles to latch one data output. -* Hence the idle time for ADC to -* process one sample data would be -* around 5 micro seconds. -*/ -#define IDLE_TIMEOUT 5 /* microsec */ + * time in us for processing a single channel, calculated as follows: + * + * num cycles = open delay + (sample delay + conv time) * averaging + * + * num cycles: 152 + (1 + 13) * 16 = 376 + * + * clock frequency: 26MHz / 8 = 3.25MHz + * clock period: 1 / 3.25MHz = 308ns + * + * processing time: 376 * 308ns = 116us + */ +#define IDLE_TIMEOUT 116 /* microsec */ #define TSCADC_CELLS 2 @@ -155,6 +160,7 @@ struct ti_tscadc_dev { struct mfd_cell cells[TSCADC_CELLS]; u32 reg_se_cache; spinlock_t reg_lock; + unsigned int clk_div; /* tsc device */ struct titsc *tsc; diff --git a/include/linux/mfd/wm8994/core.h b/include/linux/mfd/wm8994/core.h index 40854ac0ba3d..eefafa62d304 100644 --- a/include/linux/mfd/wm8994/core.h +++ b/include/linux/mfd/wm8994/core.h @@ -56,8 +56,6 @@ struct irq_domain; #define WM8994_IRQ_GPIO(x) (x + WM8994_IRQ_TEMP_WARN) struct wm8994 { - struct mutex irq_lock; - struct wm8994_pdata pdata; enum wm8994_type type; @@ -85,16 +83,43 @@ struct wm8994 { }; /* Device I/O API */ -int wm8994_reg_read(struct wm8994 *wm8994, unsigned short reg); -int wm8994_reg_write(struct wm8994 *wm8994, unsigned short reg, - unsigned short val); -int wm8994_set_bits(struct wm8994 *wm8994, unsigned short reg, - unsigned short mask, unsigned short val); -int wm8994_bulk_read(struct wm8994 *wm8994, unsigned short reg, - int count, u16 *buf); -int wm8994_bulk_write(struct wm8994 *wm8994, unsigned short reg, - int count, const u16 *buf); +static inline int wm8994_reg_read(struct wm8994 *wm8994, unsigned short reg) +{ + unsigned int val; + int ret; + + ret = regmap_read(wm8994->regmap, reg, &val); + + if (ret < 0) + return ret; + else + return val; +} + +static inline int wm8994_reg_write(struct wm8994 *wm8994, unsigned short reg, + unsigned short val) +{ + return regmap_write(wm8994->regmap, reg, val); +} + +static inline int wm8994_bulk_read(struct wm8994 *wm8994, unsigned short reg, + int count, u16 *buf) +{ + return regmap_bulk_read(wm8994->regmap, reg, buf, count); +} + +static inline int wm8994_bulk_write(struct wm8994 *wm8994, unsigned short reg, + int count, const u16 *buf) +{ + return regmap_raw_write(wm8994->regmap, reg, buf, count * sizeof(u16)); +} + +static inline int wm8994_set_bits(struct wm8994 *wm8994, unsigned short reg, + unsigned short mask, unsigned short val) +{ + return regmap_update_bits(wm8994->regmap, reg, mask, val); +} /* Helper to save on boilerplate */ static inline int wm8994_request_irq(struct wm8994 *wm8994, int irq, diff --git a/include/linux/miscdevice.h b/include/linux/miscdevice.h index cb358355ef43..f7eaf2d60083 100644 --- a/include/linux/miscdevice.h +++ b/include/linux/miscdevice.h @@ -31,6 +31,7 @@ #define I2O_MINOR 166 #define MICROCODE_MINOR 184 #define TUN_MINOR 200 +#define CUSE_MINOR 203 #define MWAVE_MINOR 219 /* ACP/Mwave Modem */ #define MPT_MINOR 220 #define MPT2SAS_MINOR 221 diff --git a/include/linux/mlx4/cmd.h b/include/linux/mlx4/cmd.h index cd1fdf75103b..8df61bc5da00 100644 --- a/include/linux/mlx4/cmd.h +++ b/include/linux/mlx4/cmd.h @@ -154,10 +154,6 @@ enum { MLX4_CMD_QUERY_IF_STAT = 0X54, MLX4_CMD_SET_IF_STAT = 0X55, - /* set port opcode modifiers */ - MLX4_SET_PORT_PRIO2TC = 0x8, - MLX4_SET_PORT_SCHEDULER = 0x9, - /* register/delete flow steering network rules */ MLX4_QP_FLOW_STEERING_ATTACH = 0x65, MLX4_QP_FLOW_STEERING_DETACH = 0x66, @@ -182,6 +178,8 @@ enum { MLX4_SET_PORT_VLAN_TABLE = 0x3, MLX4_SET_PORT_PRIO_MAP = 0x4, MLX4_SET_PORT_GID_TABLE = 0x5, + MLX4_SET_PORT_PRIO2TC = 0x8, + MLX4_SET_PORT_SCHEDULER = 0x9, }; enum { diff --git a/include/linux/mlx4/device.h b/include/linux/mlx4/device.h index 24ce6bdd540e..7d3a523160ba 100644 --- a/include/linux/mlx4/device.h +++ b/include/linux/mlx4/device.h @@ -54,6 +54,7 @@ enum { MLX4_FLAG_MASTER = 1 << 2, MLX4_FLAG_SLAVE = 1 << 3, MLX4_FLAG_SRIOV = 1 << 4, + MLX4_FLAG_OLD_REG_MAC = 1 << 6, }; enum { @@ -155,7 +156,7 @@ enum { MLX4_DEV_CAP_FLAG2_RSS_TOP = 1LL << 1, MLX4_DEV_CAP_FLAG2_RSS_XOR = 1LL << 2, MLX4_DEV_CAP_FLAG2_FS_EN = 1LL << 3, - MLX4_DEV_CAP_FLAGS2_REASSIGN_MAC_EN = 1LL << 4, + MLX4_DEV_CAP_FLAG2_REASSIGN_MAC_EN = 1LL << 4, MLX4_DEV_CAP_FLAG2_TS = 1LL << 5, MLX4_DEV_CAP_FLAG2_VLAN_CONTROL = 1LL << 6, MLX4_DEV_CAP_FLAG2_FSM = 1LL << 7, @@ -640,16 +641,28 @@ struct mlx4_counter { __be64 tx_bytes; }; +struct mlx4_quotas { + int qp; + int cq; + int srq; + int mpt; + int mtt; + int counter; + int xrcd; +}; + struct mlx4_dev { struct pci_dev *pdev; unsigned long flags; unsigned long num_slaves; struct mlx4_caps caps; struct mlx4_phys_caps phys_caps; + struct mlx4_quotas quotas; struct radix_tree_root qp_table_tree; u8 rev_id; char board_id[MLX4_BOARD_ID_LEN]; int num_vfs; + int numa_node; int oper_log_mgm_entry_size; u64 regid_promisc_array[MLX4_MAX_PORTS + 1]; u64 regid_allmulti_array[MLX4_MAX_PORTS + 1]; @@ -771,6 +784,12 @@ static inline int mlx4_is_master(struct mlx4_dev *dev) return dev->flags & MLX4_FLAG_MASTER; } +static inline int mlx4_num_reserved_sqps(struct mlx4_dev *dev) +{ + return dev->phys_caps.base_sqpn + 8 + + 16 * MLX4_MFUNC_MAX * !!mlx4_is_master(dev); +} + static inline int mlx4_is_qp_reserved(struct mlx4_dev *dev, u32 qpn) { return (qpn < dev->phys_caps.base_sqpn + 8 + @@ -816,7 +835,7 @@ void mlx4_xrcd_free(struct mlx4_dev *dev, u32 xrcdn); int mlx4_uar_alloc(struct mlx4_dev *dev, struct mlx4_uar *uar); void mlx4_uar_free(struct mlx4_dev *dev, struct mlx4_uar *uar); -int mlx4_bf_alloc(struct mlx4_dev *dev, struct mlx4_bf *bf); +int mlx4_bf_alloc(struct mlx4_dev *dev, struct mlx4_bf *bf, int node); void mlx4_bf_free(struct mlx4_dev *dev, struct mlx4_bf *bf); int mlx4_mtt_init(struct mlx4_dev *dev, int npages, int page_shift, @@ -1078,7 +1097,7 @@ int mlx4_SET_PORT_SCHEDULER(struct mlx4_dev *dev, u8 port, u8 *tc_tx_bw, u8 *pg, u16 *ratelimit); int mlx4_find_cached_vlan(struct mlx4_dev *dev, u8 port, u16 vid, int *idx); int mlx4_register_vlan(struct mlx4_dev *dev, u8 port, u16 vlan, int *index); -void mlx4_unregister_vlan(struct mlx4_dev *dev, u8 port, int index); +void mlx4_unregister_vlan(struct mlx4_dev *dev, u8 port, u16 vlan); int mlx4_map_phys_fmr(struct mlx4_dev *dev, struct mlx4_fmr *fmr, u64 *page_list, int npages, u64 iova, u32 *lkey, u32 *rkey); diff --git a/include/linux/mlx5/device.h b/include/linux/mlx5/device.h index 5eb4e31af22b..da78875807fc 100644 --- a/include/linux/mlx5/device.h +++ b/include/linux/mlx5/device.h @@ -230,6 +230,15 @@ enum { MLX5_MAX_PAGE_SHIFT = 31 }; +enum { + MLX5_ADAPTER_PAGE_SHIFT = 12 +}; + +enum { + MLX5_CAP_OFF_DCT = 41, + MLX5_CAP_OFF_CMDIF_CSUM = 46, +}; + struct mlx5_inbox_hdr { __be16 opcode; u8 rsvd[4]; @@ -319,9 +328,9 @@ struct mlx5_hca_cap { u8 rsvd25[42]; __be16 log_uar_page_sz; u8 rsvd26[28]; - u8 log_msx_atomic_size_qp; + u8 log_max_atomic_size_qp; u8 rsvd27[2]; - u8 log_msx_atomic_size_dc; + u8 log_max_atomic_size_dc; u8 rsvd28[76]; }; diff --git a/include/linux/mlx5/driver.h b/include/linux/mlx5/driver.h index 6b8c496572c8..554548cd3dd4 100644 --- a/include/linux/mlx5/driver.h +++ b/include/linux/mlx5/driver.h @@ -483,6 +483,7 @@ struct mlx5_priv { struct rb_root page_root; int fw_pages; int reg_pages; + struct list_head free_list; struct mlx5_core_health health; @@ -557,9 +558,11 @@ typedef void (*mlx5_cmd_cbk_t)(int status, void *context); struct mlx5_cmd_work_ent { struct mlx5_cmd_msg *in; struct mlx5_cmd_msg *out; + void *uout; + int uout_size; mlx5_cmd_cbk_t callback; void *context; - int idx; + int idx; struct completion done; struct mlx5_cmd *cmd; struct work_struct work; @@ -570,6 +573,7 @@ struct mlx5_cmd_work_ent { u8 token; struct timespec ts1; struct timespec ts2; + u16 op; }; struct mlx5_pas { @@ -653,6 +657,9 @@ void mlx5_cmd_use_polling(struct mlx5_core_dev *dev); int mlx5_cmd_status_to_err(struct mlx5_outbox_hdr *hdr); int mlx5_cmd_exec(struct mlx5_core_dev *dev, void *in, int in_size, void *out, int out_size); +int mlx5_cmd_exec_cb(struct mlx5_core_dev *dev, void *in, int in_size, + void *out, int out_size, mlx5_cmd_cbk_t callback, + void *context); int mlx5_cmd_alloc_uar(struct mlx5_core_dev *dev, u32 *uarn); int mlx5_cmd_free_uar(struct mlx5_core_dev *dev, u32 uarn); int mlx5_alloc_uuars(struct mlx5_core_dev *dev, struct mlx5_uuar_info *uuari); @@ -676,7 +683,9 @@ int mlx5_core_query_srq(struct mlx5_core_dev *dev, struct mlx5_core_srq *srq, int mlx5_core_arm_srq(struct mlx5_core_dev *dev, struct mlx5_core_srq *srq, u16 lwm, int is_srq); int mlx5_core_create_mkey(struct mlx5_core_dev *dev, struct mlx5_core_mr *mr, - struct mlx5_create_mkey_mbox_in *in, int inlen); + struct mlx5_create_mkey_mbox_in *in, int inlen, + mlx5_cmd_cbk_t callback, void *context, + struct mlx5_create_mkey_mbox_out *out); int mlx5_core_destroy_mkey(struct mlx5_core_dev *dev, struct mlx5_core_mr *mr); int mlx5_core_query_mkey(struct mlx5_core_dev *dev, struct mlx5_core_mr *mr, struct mlx5_query_mkey_mbox_out *out, int outlen); @@ -745,6 +754,11 @@ static inline u32 mlx5_idx_to_mkey(u32 mkey_idx) return mkey_idx << 8; } +static inline u8 mlx5_mkey_variant(u32 mkey) +{ + return mkey & 0xff; +} + enum { MLX5_PROF_MASK_QP_SIZE = (u64)1 << 0, MLX5_PROF_MASK_MR_CACHE = (u64)1 << 1, diff --git a/include/linux/mm.h b/include/linux/mm.h index 81443d557a2e..1cedd000cf29 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -50,6 +50,10 @@ extern int sysctl_legacy_va_layout; #include <asm/pgtable.h> #include <asm/processor.h> +#ifndef __pa_symbol +#define __pa_symbol(x) __pa(RELOC_HIDE((unsigned long)(x), 0)) +#endif + extern unsigned long sysctl_user_reserve_kbytes; extern unsigned long sysctl_admin_reserve_kbytes; @@ -297,12 +301,26 @@ static inline int put_page_testzero(struct page *page) /* * Try to grab a ref unless the page has a refcount of zero, return false if * that is the case. + * This can be called when MMU is off so it must not access + * any of the virtual mappings. */ static inline int get_page_unless_zero(struct page *page) { return atomic_inc_not_zero(&page->_count); } +/* + * Try to drop a ref unless the page has a refcount of one, return false if + * that is the case. + * This is to make sure that the refcount won't become zero after this drop. + * This can be called when MMU is off so it must not access + * any of the virtual mappings. + */ +static inline int put_page_unless_one(struct page *page) +{ + return atomic_add_unless(&page->_count, -1, 1); +} + extern int page_is_ram(unsigned long pfn); /* Support for virtually mapped pages */ @@ -1298,32 +1316,76 @@ static inline pmd_t *pmd_alloc(struct mm_struct *mm, pud_t *pud, unsigned long a } #endif /* CONFIG_MMU && !__ARCH_HAS_4LEVEL_HACK */ -#if USE_SPLIT_PTLOCKS -/* - * We tuck a spinlock to guard each pagetable page into its struct page, - * at page->private, with BUILD_BUG_ON to make sure that this will not - * overflow into the next struct page (as it might with DEBUG_SPINLOCK). - * When freeing, reset page->mapping so free_pages_check won't complain. - */ -#define __pte_lockptr(page) &((page)->ptl) -#define pte_lock_init(_page) do { \ - spin_lock_init(__pte_lockptr(_page)); \ -} while (0) -#define pte_lock_deinit(page) ((page)->mapping = NULL) -#define pte_lockptr(mm, pmd) ({(void)(mm); __pte_lockptr(pmd_page(*(pmd)));}) -#else /* !USE_SPLIT_PTLOCKS */ +#if USE_SPLIT_PTE_PTLOCKS +#if BLOATED_SPINLOCKS +extern bool ptlock_alloc(struct page *page); +extern void ptlock_free(struct page *page); + +static inline spinlock_t *ptlock_ptr(struct page *page) +{ + return page->ptl; +} +#else /* BLOATED_SPINLOCKS */ +static inline bool ptlock_alloc(struct page *page) +{ + return true; +} + +static inline void ptlock_free(struct page *page) +{ +} + +static inline spinlock_t *ptlock_ptr(struct page *page) +{ + return &page->ptl; +} +#endif /* BLOATED_SPINLOCKS */ + +static inline spinlock_t *pte_lockptr(struct mm_struct *mm, pmd_t *pmd) +{ + return ptlock_ptr(pmd_page(*pmd)); +} + +static inline bool ptlock_init(struct page *page) +{ + /* + * prep_new_page() initialize page->private (and therefore page->ptl) + * with 0. Make sure nobody took it in use in between. + * + * It can happen if arch try to use slab for page table allocation: + * slab code uses page->slab_cache and page->first_page (for tail + * pages), which share storage with page->ptl. + */ + VM_BUG_ON(*(unsigned long *)&page->ptl); + if (!ptlock_alloc(page)) + return false; + spin_lock_init(ptlock_ptr(page)); + return true; +} + +/* Reset page->mapping so free_pages_check won't complain. */ +static inline void pte_lock_deinit(struct page *page) +{ + page->mapping = NULL; + ptlock_free(page); +} + +#else /* !USE_SPLIT_PTE_PTLOCKS */ /* * We use mm->page_table_lock to guard all pagetable pages of the mm. */ -#define pte_lock_init(page) do {} while (0) -#define pte_lock_deinit(page) do {} while (0) -#define pte_lockptr(mm, pmd) ({(void)(pmd); &(mm)->page_table_lock;}) -#endif /* USE_SPLIT_PTLOCKS */ +static inline spinlock_t *pte_lockptr(struct mm_struct *mm, pmd_t *pmd) +{ + return &mm->page_table_lock; +} +static inline bool ptlock_init(struct page *page) { return true; } +static inline void pte_lock_deinit(struct page *page) {} +#endif /* USE_SPLIT_PTE_PTLOCKS */ -static inline void pgtable_page_ctor(struct page *page) +static inline bool pgtable_page_ctor(struct page *page) { - pte_lock_init(page); inc_zone_page_state(page, NR_PAGETABLE); + return ptlock_init(page); } static inline void pgtable_page_dtor(struct page *page) @@ -1360,6 +1422,52 @@ static inline void pgtable_page_dtor(struct page *page) ((unlikely(pmd_none(*(pmd))) && __pte_alloc_kernel(pmd, address))? \ NULL: pte_offset_kernel(pmd, address)) +#if USE_SPLIT_PMD_PTLOCKS + +static inline spinlock_t *pmd_lockptr(struct mm_struct *mm, pmd_t *pmd) +{ + return ptlock_ptr(virt_to_page(pmd)); +} + +static inline bool pgtable_pmd_page_ctor(struct page *page) +{ +#ifdef CONFIG_TRANSPARENT_HUGEPAGE + page->pmd_huge_pte = NULL; +#endif + return ptlock_init(page); +} + +static inline void pgtable_pmd_page_dtor(struct page *page) +{ +#ifdef CONFIG_TRANSPARENT_HUGEPAGE + VM_BUG_ON(page->pmd_huge_pte); +#endif + ptlock_free(page); +} + +#define pmd_huge_pte(mm, pmd) (virt_to_page(pmd)->pmd_huge_pte) + +#else + +static inline spinlock_t *pmd_lockptr(struct mm_struct *mm, pmd_t *pmd) +{ + return &mm->page_table_lock; +} + +static inline bool pgtable_pmd_page_ctor(struct page *page) { return true; } +static inline void pgtable_pmd_page_dtor(struct page *page) {} + +#define pmd_huge_pte(mm, pmd) ((mm)->pmd_huge_pte) + +#endif + +static inline spinlock_t *pmd_lock(struct mm_struct *mm, pmd_t *pmd) +{ + spinlock_t *ptl = pmd_lockptr(mm, pmd); + spin_lock(ptl); + return ptl; +} + extern void free_area_init(unsigned long * zones_size); extern void free_area_init_node(int nid, unsigned long * zones_size, unsigned long zone_start_pfn, unsigned long *zholes_size); diff --git a/include/linux/mm_types.h b/include/linux/mm_types.h index a3198e5aaf4e..bd299418a934 100644 --- a/include/linux/mm_types.h +++ b/include/linux/mm_types.h @@ -23,7 +23,9 @@ struct address_space; -#define USE_SPLIT_PTLOCKS (NR_CPUS >= CONFIG_SPLIT_PTLOCK_CPUS) +#define USE_SPLIT_PTE_PTLOCKS (NR_CPUS >= CONFIG_SPLIT_PTLOCK_CPUS) +#define USE_SPLIT_PMD_PTLOCKS (USE_SPLIT_PTE_PTLOCKS && \ + IS_ENABLED(CONFIG_ARCH_ENABLE_SPLIT_PMD_PTLOCK)) /* * Each physical page in the system has a struct page associated with @@ -42,18 +44,22 @@ struct page { /* First double word block */ unsigned long flags; /* Atomic flags, some possibly * updated asynchronously */ - struct address_space *mapping; /* If low bit clear, points to - * inode address_space, or NULL. - * If page mapped as anonymous - * memory, low bit is set, and - * it points to anon_vma object: - * see PAGE_MAPPING_ANON below. - */ + union { + struct address_space *mapping; /* If low bit clear, points to + * inode address_space, or NULL. + * If page mapped as anonymous + * memory, low bit is set, and + * it points to anon_vma object: + * see PAGE_MAPPING_ANON below. + */ + void *s_mem; /* slab first object */ + }; + /* Second double word */ struct { union { pgoff_t index; /* Our offset within mapping. */ - void *freelist; /* slub/slob first free object */ + void *freelist; /* sl[aou]b first free object */ bool pfmemalloc; /* If set by the page allocator, * ALLOC_NO_WATERMARKS was set * and the low watermark was not @@ -109,6 +115,7 @@ struct page { }; atomic_t _count; /* Usage count, see below. */ }; + unsigned int active; /* SLAB */ }; }; @@ -130,6 +137,12 @@ struct page { struct list_head list; /* slobs list of pages */ struct slab *slab_page; /* slab fields */ + struct rcu_head rcu_head; /* Used by SLAB + * when destroying via RCU + */ +#if defined(CONFIG_TRANSPARENT_HUGEPAGE) && USE_SPLIT_PMD_PTLOCKS + pgtable_t pmd_huge_pte; /* protected by page->ptl */ +#endif }; /* Remainder is not double word aligned */ @@ -141,9 +154,13 @@ struct page { * indicates order in the buddy * system if PG_buddy is set. */ -#if USE_SPLIT_PTLOCKS +#if USE_SPLIT_PTE_PTLOCKS +#if BLOATED_SPINLOCKS + spinlock_t *ptl; +#else spinlock_t ptl; #endif +#endif struct kmem_cache *slab_cache; /* SL[AU]B: Pointer to slab */ struct page *first_page; /* Compound tail pages */ }; @@ -309,14 +326,14 @@ enum { NR_MM_COUNTERS }; -#if USE_SPLIT_PTLOCKS && defined(CONFIG_MMU) +#if USE_SPLIT_PTE_PTLOCKS && defined(CONFIG_MMU) #define SPLIT_RSS_COUNTING /* per-thread cached information, */ struct task_rss_stat { int events; /* for synchronization threshold */ int count[NR_MM_COUNTERS]; }; -#endif /* USE_SPLIT_PTLOCKS */ +#endif /* USE_SPLIT_PTE_PTLOCKS */ struct mm_rss_stat { atomic_long_t count[NR_MM_COUNTERS]; @@ -339,6 +356,7 @@ struct mm_struct { pgd_t * pgd; atomic_t mm_users; /* How many users with user space? */ atomic_t mm_count; /* How many references to "struct mm_struct" (users count as 1) */ + atomic_long_t nr_ptes; /* Page table pages */ int map_count; /* number of VMAs */ spinlock_t page_table_lock; /* Protects page tables and some counters */ @@ -360,7 +378,6 @@ struct mm_struct { unsigned long exec_vm; /* VM_EXEC & ~VM_WRITE */ unsigned long stack_vm; /* VM_GROWSUP/DOWN */ unsigned long def_flags; - unsigned long nr_ptes; /* Page table pages */ unsigned long start_code, end_code, start_data, end_data; unsigned long start_brk, brk, start_stack; unsigned long arg_start, arg_end, env_start, env_end; @@ -406,7 +423,7 @@ struct mm_struct { #ifdef CONFIG_MMU_NOTIFIER struct mmu_notifier_mm *mmu_notifier_mm; #endif -#ifdef CONFIG_TRANSPARENT_HUGEPAGE +#if defined(CONFIG_TRANSPARENT_HUGEPAGE) && !USE_SPLIT_PMD_PTLOCKS pgtable_t pmd_huge_pte; /* protected by page_table_lock */ #endif #ifdef CONFIG_CPUMASK_OFFSTACK diff --git a/include/linux/mman.h b/include/linux/mman.h index 92dc257251e4..7f7f8dae4b1d 100644 --- a/include/linux/mman.h +++ b/include/linux/mman.h @@ -87,4 +87,6 @@ calc_vm_flag_bits(unsigned long flags) _calc_vm_trans(flags, MAP_DENYWRITE, VM_DENYWRITE ) | _calc_vm_trans(flags, MAP_LOCKED, VM_LOCKED ); } + +unsigned long vm_commit_limit(void); #endif /* _LINUX_MMAN_H */ diff --git a/include/linux/mmc/card.h b/include/linux/mmc/card.h index 842de3e21e70..176fdf824b14 100644 --- a/include/linux/mmc/card.h +++ b/include/linux/mmc/card.h @@ -240,6 +240,7 @@ struct mmc_part { struct mmc_card { struct mmc_host *host; /* the host this device belongs to */ struct device dev; /* the device */ + u32 ocr; /* the current OCR setting */ unsigned int rca; /* relative card address of device */ unsigned int type; /* card type */ #define MMC_TYPE_MMC 0 /* MMC card */ @@ -257,6 +258,7 @@ struct mmc_card { #define MMC_CARD_REMOVED (1<<7) /* card has been removed */ #define MMC_STATE_HIGHSPEED_200 (1<<8) /* card is in HS200 mode */ #define MMC_STATE_DOING_BKOPS (1<<10) /* card is doing BKOPS */ +#define MMC_STATE_SUSPENDED (1<<11) /* card is suspended */ unsigned int quirks; /* card quirks */ #define MMC_QUIRK_LENIENT_FN0 (1<<0) /* allow SDIO FN0 writes outside of the VS CCCR range */ #define MMC_QUIRK_BLKSZ_FOR_BYTE_MODE (1<<1) /* use func->cur_blksize */ @@ -420,10 +422,10 @@ static inline void __maybe_unused remove_quirk(struct mmc_card *card, int data) #define mmc_card_blockaddr(c) ((c)->state & MMC_STATE_BLOCKADDR) #define mmc_card_ddr_mode(c) ((c)->state & MMC_STATE_HIGHSPEED_DDR) #define mmc_card_uhs(c) ((c)->state & MMC_STATE_ULTRAHIGHSPEED) -#define mmc_sd_card_uhs(c) ((c)->state & MMC_STATE_ULTRAHIGHSPEED) #define mmc_card_ext_capacity(c) ((c)->state & MMC_CARD_SDXC) #define mmc_card_removed(c) ((c) && ((c)->state & MMC_CARD_REMOVED)) #define mmc_card_doing_bkops(c) ((c)->state & MMC_STATE_DOING_BKOPS) +#define mmc_card_suspended(c) ((c)->state & MMC_STATE_SUSPENDED) #define mmc_card_set_present(c) ((c)->state |= MMC_STATE_PRESENT) #define mmc_card_set_readonly(c) ((c)->state |= MMC_STATE_READONLY) @@ -432,11 +434,12 @@ static inline void __maybe_unused remove_quirk(struct mmc_card *card, int data) #define mmc_card_set_blockaddr(c) ((c)->state |= MMC_STATE_BLOCKADDR) #define mmc_card_set_ddr_mode(c) ((c)->state |= MMC_STATE_HIGHSPEED_DDR) #define mmc_card_set_uhs(c) ((c)->state |= MMC_STATE_ULTRAHIGHSPEED) -#define mmc_sd_card_set_uhs(c) ((c)->state |= MMC_STATE_ULTRAHIGHSPEED) #define mmc_card_set_ext_capacity(c) ((c)->state |= MMC_CARD_SDXC) #define mmc_card_set_removed(c) ((c)->state |= MMC_CARD_REMOVED) #define mmc_card_set_doing_bkops(c) ((c)->state |= MMC_STATE_DOING_BKOPS) #define mmc_card_clr_doing_bkops(c) ((c)->state &= ~MMC_STATE_DOING_BKOPS) +#define mmc_card_set_suspended(c) ((c)->state |= MMC_STATE_SUSPENDED) +#define mmc_card_clr_suspended(c) ((c)->state &= ~MMC_STATE_SUSPENDED) /* * Quirk add/remove for MMC products. diff --git a/include/linux/mmc/core.h b/include/linux/mmc/core.h index da51bec578c3..87079fc38011 100644 --- a/include/linux/mmc/core.h +++ b/include/linux/mmc/core.h @@ -151,7 +151,8 @@ extern int mmc_app_cmd(struct mmc_host *, struct mmc_card *); extern int mmc_wait_for_app_cmd(struct mmc_host *, struct mmc_card *, struct mmc_command *, int); extern void mmc_start_bkops(struct mmc_card *card, bool from_exception); -extern int __mmc_switch(struct mmc_card *, u8, u8, u8, unsigned int, bool); +extern int __mmc_switch(struct mmc_card *, u8, u8, u8, unsigned int, bool, + bool); extern int mmc_switch(struct mmc_card *, u8, u8, u8, unsigned int); extern int mmc_send_ext_csd(struct mmc_card *card, u8 *ext_csd); @@ -188,7 +189,6 @@ extern unsigned int mmc_align_data_size(struct mmc_card *, unsigned int); extern int __mmc_claim_host(struct mmc_host *host, atomic_t *abort); extern void mmc_release_host(struct mmc_host *host); -extern int mmc_try_claim_host(struct mmc_host *host); extern void mmc_get_card(struct mmc_card *card); extern void mmc_put_card(struct mmc_card *card); diff --git a/include/linux/mmc/dw_mmc.h b/include/linux/mmc/dw_mmc.h index 198f0fa44e9f..6ce7d2cd3c7a 100644 --- a/include/linux/mmc/dw_mmc.h +++ b/include/linux/mmc/dw_mmc.h @@ -15,6 +15,7 @@ #define LINUX_MMC_DW_MMC_H #include <linux/scatterlist.h> +#include <linux/mmc/core.h> #define MAX_MCI_SLOTS 2 @@ -129,6 +130,9 @@ struct dw_mci { struct mmc_request *mrq; struct mmc_command *cmd; struct mmc_data *data; + struct mmc_command stop_abort; + unsigned int prev_blksz; + unsigned char timing; struct workqueue_struct *card_workqueue; /* DMA interface members*/ diff --git a/include/linux/mmc/host.h b/include/linux/mmc/host.h index 3b0c33ae13e1..99f5709ac343 100644 --- a/include/linux/mmc/host.h +++ b/include/linux/mmc/host.h @@ -254,6 +254,7 @@ struct mmc_host { #define MMC_CAP_UHS_SDR50 (1 << 17) /* Host supports UHS SDR50 mode */ #define MMC_CAP_UHS_SDR104 (1 << 18) /* Host supports UHS SDR104 mode */ #define MMC_CAP_UHS_DDR50 (1 << 19) /* Host supports UHS DDR50 mode */ +#define MMC_CAP_RUNTIME_RESUME (1 << 20) /* Resume at runtime_resume. */ #define MMC_CAP_DRIVER_TYPE_A (1 << 23) /* Host supports Driver Type A */ #define MMC_CAP_DRIVER_TYPE_C (1 << 24) /* Host supports Driver Type C */ #define MMC_CAP_DRIVER_TYPE_D (1 << 25) /* Host supports Driver Type D */ @@ -309,7 +310,6 @@ struct mmc_host { spinlock_t lock; /* lock for claim and bus ops */ struct mmc_ios ios; /* current io bus settings */ - u32 ocr; /* the current OCR setting */ /* group bitfields together to minimize padding */ unsigned int use_spi_crc:1; @@ -382,9 +382,6 @@ static inline void *mmc_priv(struct mmc_host *host) #define mmc_classdev(x) (&(x)->class_dev) #define mmc_hostname(x) (dev_name(&(x)->class_dev)) -int mmc_suspend_host(struct mmc_host *); -int mmc_resume_host(struct mmc_host *); - int mmc_power_save_host(struct mmc_host *host); int mmc_power_restore_host(struct mmc_host *host); diff --git a/include/linux/module.h b/include/linux/module.h index 05f2447f8c15..15cd6b1b211e 100644 --- a/include/linux/module.h +++ b/include/linux/module.h @@ -367,9 +367,6 @@ struct module /* What modules do I depend on? */ struct list_head target_list; - /* Who is waiting for us to be unloaded */ - struct task_struct *waiter; - /* Destruction function. */ void (*exit)(void); diff --git a/include/linux/mount.h b/include/linux/mount.h index 38cd98f112a0..371d346fa270 100644 --- a/include/linux/mount.h +++ b/include/linux/mount.h @@ -49,6 +49,8 @@ struct mnt_namespace; #define MNT_LOCK_READONLY 0x400000 #define MNT_LOCKED 0x800000 +#define MNT_DOOMED 0x1000000 +#define MNT_SYNC_UMOUNT 0x2000000 struct vfsmount { struct dentry *mnt_root; /* root of the mounted tree */ diff --git a/include/linux/msg.h b/include/linux/msg.h index 391af8d11cce..e21f9d44307f 100644 --- a/include/linux/msg.h +++ b/include/linux/msg.h @@ -6,9 +6,9 @@ /* one msg_msg structure for each message */ struct msg_msg { - struct list_head m_list; - long m_type; - int m_ts; /* message text size */ + struct list_head m_list; + long m_type; + size_t m_ts; /* message text size */ struct msg_msgseg* next; void *security; /* the actual message follows immediately */ diff --git a/include/linux/msi.h b/include/linux/msi.h index b17ead818aec..009b02481436 100644 --- a/include/linux/msi.h +++ b/include/linux/msi.h @@ -26,11 +26,11 @@ struct msi_desc { struct { __u8 is_msix : 1; __u8 multiple: 3; /* log2 number of messages */ - __u8 maskbit : 1; /* mask-pending bit supported ? */ - __u8 is_64 : 1; /* Address size: 0=32bit 1=64bit */ - __u8 pos; /* Location of the msi capability */ - __u16 entry_nr; /* specific enabled entry */ - unsigned default_irq; /* default pre-assigned irq */ + __u8 maskbit : 1; /* mask-pending bit supported ? */ + __u8 is_64 : 1; /* Address size: 0=32bit 1=64bit */ + __u8 pos; /* Location of the msi capability */ + __u16 entry_nr; /* specific enabled entry */ + unsigned default_irq; /* default pre-assigned irq */ } msi_attrib; u32 masked; /* mask bits */ @@ -64,6 +64,8 @@ void arch_restore_msi_irqs(struct pci_dev *dev, int irq); void default_teardown_msi_irqs(struct pci_dev *dev); void default_restore_msi_irqs(struct pci_dev *dev, int irq); +u32 default_msi_mask_irq(struct msi_desc *desc, u32 mask, u32 flag); +u32 default_msix_mask_irq(struct msi_desc *desc, u32 flag); struct msi_chip { struct module *owner; diff --git a/include/linux/mtd/bbm.h b/include/linux/mtd/bbm.h index 95fc482cef36..36bb6a503f19 100644 --- a/include/linux/mtd/bbm.h +++ b/include/linux/mtd/bbm.h @@ -91,8 +91,6 @@ struct nand_bbt_descr { * with NAND_BBT_CREATE. */ #define NAND_BBT_CREATE_EMPTY 0x00000400 -/* Search good / bad pattern through all pages of a block */ -#define NAND_BBT_SCANALLPAGES 0x00000800 /* Write bbt if neccecary */ #define NAND_BBT_WRITE 0x00002000 /* Read and write back block contents when writing bbt */ diff --git a/include/linux/mtd/map.h b/include/linux/mtd/map.h index 4b02512e421c..5f487d776411 100644 --- a/include/linux/mtd/map.h +++ b/include/linux/mtd/map.h @@ -365,7 +365,7 @@ static inline map_word map_word_load_partial(struct map_info *map, map_word orig bitpos = (map_bankwidth(map)-1-i)*8; #endif orig.x[0] &= ~(0xff << bitpos); - orig.x[0] |= buf[i-start] << bitpos; + orig.x[0] |= (unsigned long)buf[i-start] << bitpos; } } return orig; @@ -384,7 +384,7 @@ static inline map_word map_word_ff(struct map_info *map) if (map_bankwidth(map) < MAP_FF_LIMIT) { int bw = 8 * map_bankwidth(map); - r.x[0] = (1 << bw) - 1; + r.x[0] = (1UL << bw) - 1; } else { for (i=0; i<map_words(map); i++) r.x[i] = ~0UL; diff --git a/include/linux/mtd/mtd.h b/include/linux/mtd/mtd.h index f9bfe526d310..8cc0e2fb6894 100644 --- a/include/linux/mtd/mtd.h +++ b/include/linux/mtd/mtd.h @@ -29,9 +29,6 @@ #include <asm/div64.h> -#define MTD_CHAR_MAJOR 90 -#define MTD_BLOCK_MAJOR 31 - #define MTD_ERASE_PENDING 0x01 #define MTD_ERASING 0x02 #define MTD_ERASE_SUSPEND 0x04 @@ -354,6 +351,11 @@ static inline int mtd_has_oob(const struct mtd_info *mtd) return mtd->_read_oob && mtd->_write_oob; } +static inline int mtd_type_is_nand(const struct mtd_info *mtd) +{ + return mtd->type == MTD_NANDFLASH || mtd->type == MTD_MLCNANDFLASH; +} + static inline int mtd_can_have_bb(const struct mtd_info *mtd) { return !!mtd->_block_isbad; diff --git a/include/linux/mtd/nand.h b/include/linux/mtd/nand.h index ac8e89d5a792..9e6c8f9f306e 100644 --- a/include/linux/mtd/nand.h +++ b/include/linux/mtd/nand.h @@ -198,6 +198,7 @@ typedef enum { /* Cell info constants */ #define NAND_CI_CHIPNR_MSK 0x03 #define NAND_CI_CELLTYPE_MSK 0x0C +#define NAND_CI_CELLTYPE_SHIFT 2 /* Keep gcc happy */ struct nand_chip; @@ -477,7 +478,7 @@ struct nand_buffers { * @badblockbits: [INTERN] minimum number of set bits in a good block's * bad block marker position; i.e., BBM == 11110111b is * not bad when badblockbits == 7 - * @cellinfo: [INTERN] MLC/multichip data from chip ident + * @bits_per_cell: [INTERN] number of bits per cell. i.e., 1 means SLC. * @ecc_strength_ds: [INTERN] ECC correctability from the datasheet. * Minimum amount of bit errors per @ecc_step_ds guaranteed * to be correctable. If unknown, set to zero. @@ -498,7 +499,6 @@ struct nand_buffers { * supported, 0 otherwise. * @onfi_set_features: [REPLACEABLE] set the features for ONFI nand * @onfi_get_features: [REPLACEABLE] get the features for ONFI nand - * @ecclayout: [REPLACEABLE] the default ECC placement scheme * @bbt: [INTERN] bad block table pointer * @bbt_td: [REPLACEABLE] bad block table descriptor for flash * lookup. @@ -559,7 +559,7 @@ struct nand_chip { int pagebuf; unsigned int pagebuf_bitflips; int subpagesize; - uint8_t cellinfo; + uint8_t bits_per_cell; uint16_t ecc_strength_ds; uint16_t ecc_step_ds; int badblockpos; @@ -572,7 +572,6 @@ struct nand_chip { uint8_t *oob_poi; struct nand_hw_control *controller; - struct nand_ecclayout *ecclayout; struct nand_ecc_ctrl ecc; struct nand_buffers *buffers; @@ -797,4 +796,13 @@ static inline int onfi_get_sync_timing_mode(struct nand_chip *chip) return le16_to_cpu(chip->onfi_params.src_sync_timing_mode); } +/* + * Check if it is a SLC nand. + * The !nand_is_slc() can be used to check the MLC/TLC nand chips. + * We do not distinguish the MLC and TLC now. + */ +static inline bool nand_is_slc(struct nand_chip *chip) +{ + return chip->bits_per_cell == 1; +} #endif /* __LINUX_MTD_NAND_H */ diff --git a/include/linux/mutex.h b/include/linux/mutex.h index bab49da8a0f0..d3181936c138 100644 --- a/include/linux/mutex.h +++ b/include/linux/mutex.h @@ -131,7 +131,7 @@ static inline int mutex_is_locked(struct mutex *lock) } /* - * See kernel/mutex.c for detailed documentation of these APIs. + * See kernel/locking/mutex.c for detailed documentation of these APIs. * Also see Documentation/mutex-design.txt. */ #ifdef CONFIG_DEBUG_LOCK_ALLOC diff --git a/include/linux/namei.h b/include/linux/namei.h index 8e47bc7a1665..492de72560fa 100644 --- a/include/linux/namei.h +++ b/include/linux/namei.h @@ -16,7 +16,7 @@ struct nameidata { struct path root; struct inode *inode; /* path.dentry.d_inode */ unsigned int flags; - unsigned seq; + unsigned seq, m_seq; int last_type; unsigned depth; char *saved_names[MAX_NESTED_LINKS + 1]; diff --git a/include/linux/net.h b/include/linux/net.h index 4f27575ce1d6..4bcee94cef93 100644 --- a/include/linux/net.h +++ b/include/linux/net.h @@ -24,6 +24,7 @@ #include <linux/fcntl.h> /* For O_CLOEXEC and O_NONBLOCK */ #include <linux/kmemcheck.h> #include <linux/rcupdate.h> +#include <linux/jump_label.h> #include <uapi/linux/net.h> struct poll_table_struct; @@ -163,6 +164,14 @@ struct proto_ops { #endif int (*sendmsg) (struct kiocb *iocb, struct socket *sock, struct msghdr *m, size_t total_len); + /* Notes for implementing recvmsg: + * =============================== + * msg->msg_namelen should get updated by the recvmsg handlers + * iff msg_name != NULL. It is by default 0 to prevent + * returning uninitialized memory to user space. The recvfrom + * handlers can assume that msg.msg_name is either NULL or has + * a minimum size of sizeof(struct sockaddr_storage). + */ int (*recvmsg) (struct kiocb *iocb, struct socket *sock, struct msghdr *m, size_t total_len, int flags); @@ -195,27 +204,23 @@ enum { SOCK_WAKE_URG, }; -extern int sock_wake_async(struct socket *sk, int how, int band); -extern int sock_register(const struct net_proto_family *fam); -extern void sock_unregister(int family); -extern int __sock_create(struct net *net, int family, int type, int proto, - struct socket **res, int kern); -extern int sock_create(int family, int type, int proto, - struct socket **res); -extern int sock_create_kern(int family, int type, int proto, - struct socket **res); -extern int sock_create_lite(int family, int type, int proto, - struct socket **res); -extern void sock_release(struct socket *sock); -extern int sock_sendmsg(struct socket *sock, struct msghdr *msg, - size_t len); -extern int sock_recvmsg(struct socket *sock, struct msghdr *msg, - size_t size, int flags); -extern struct file *sock_alloc_file(struct socket *sock, int flags, const char *dname); -extern struct socket *sockfd_lookup(int fd, int *err); -extern struct socket *sock_from_file(struct file *file, int *err); +int sock_wake_async(struct socket *sk, int how, int band); +int sock_register(const struct net_proto_family *fam); +void sock_unregister(int family); +int __sock_create(struct net *net, int family, int type, int proto, + struct socket **res, int kern); +int sock_create(int family, int type, int proto, struct socket **res); +int sock_create_kern(int family, int type, int proto, struct socket **res); +int sock_create_lite(int family, int type, int proto, struct socket **res); +void sock_release(struct socket *sock); +int sock_sendmsg(struct socket *sock, struct msghdr *msg, size_t len); +int sock_recvmsg(struct socket *sock, struct msghdr *msg, size_t size, + int flags); +struct file *sock_alloc_file(struct socket *sock, int flags, const char *dname); +struct socket *sockfd_lookup(int fd, int *err); +struct socket *sock_from_file(struct file *file, int *err); #define sockfd_put(sock) fput(sock->file) -extern int net_ratelimit(void); +int net_ratelimit(void); #define net_ratelimited_function(function, ...) \ do { \ @@ -243,32 +248,52 @@ do { \ #define net_random() prandom_u32() #define net_srandom(seed) prandom_seed((__force u32)(seed)) -extern int kernel_sendmsg(struct socket *sock, struct msghdr *msg, - struct kvec *vec, size_t num, size_t len); -extern int kernel_recvmsg(struct socket *sock, struct msghdr *msg, - struct kvec *vec, size_t num, - size_t len, int flags); - -extern int kernel_bind(struct socket *sock, struct sockaddr *addr, - int addrlen); -extern int kernel_listen(struct socket *sock, int backlog); -extern int kernel_accept(struct socket *sock, struct socket **newsock, - int flags); -extern int kernel_connect(struct socket *sock, struct sockaddr *addr, - int addrlen, int flags); -extern int kernel_getsockname(struct socket *sock, struct sockaddr *addr, - int *addrlen); -extern int kernel_getpeername(struct socket *sock, struct sockaddr *addr, - int *addrlen); -extern int kernel_getsockopt(struct socket *sock, int level, int optname, - char *optval, int *optlen); -extern int kernel_setsockopt(struct socket *sock, int level, int optname, - char *optval, unsigned int optlen); -extern int kernel_sendpage(struct socket *sock, struct page *page, int offset, - size_t size, int flags); -extern int kernel_sock_ioctl(struct socket *sock, int cmd, unsigned long arg); -extern int kernel_sock_shutdown(struct socket *sock, - enum sock_shutdown_cmd how); +bool __net_get_random_once(void *buf, int nbytes, bool *done, + struct static_key *done_key); + +#ifdef HAVE_JUMP_LABEL +#define ___NET_RANDOM_STATIC_KEY_INIT ((struct static_key) \ + { .enabled = ATOMIC_INIT(0), .entries = (void *)1 }) +#else /* !HAVE_JUMP_LABEL */ +#define ___NET_RANDOM_STATIC_KEY_INIT STATIC_KEY_INIT_FALSE +#endif /* HAVE_JUMP_LABEL */ + +#define net_get_random_once(buf, nbytes) \ + ({ \ + bool ___ret = false; \ + static bool ___done = false; \ + static struct static_key ___done_key = \ + ___NET_RANDOM_STATIC_KEY_INIT; \ + if (!static_key_true(&___done_key)) \ + ___ret = __net_get_random_once(buf, \ + nbytes, \ + &___done, \ + &___done_key); \ + ___ret; \ + }) + +int kernel_sendmsg(struct socket *sock, struct msghdr *msg, struct kvec *vec, + size_t num, size_t len); +int kernel_recvmsg(struct socket *sock, struct msghdr *msg, struct kvec *vec, + size_t num, size_t len, int flags); + +int kernel_bind(struct socket *sock, struct sockaddr *addr, int addrlen); +int kernel_listen(struct socket *sock, int backlog); +int kernel_accept(struct socket *sock, struct socket **newsock, int flags); +int kernel_connect(struct socket *sock, struct sockaddr *addr, int addrlen, + int flags); +int kernel_getsockname(struct socket *sock, struct sockaddr *addr, + int *addrlen); +int kernel_getpeername(struct socket *sock, struct sockaddr *addr, + int *addrlen); +int kernel_getsockopt(struct socket *sock, int level, int optname, char *optval, + int *optlen); +int kernel_setsockopt(struct socket *sock, int level, int optname, char *optval, + unsigned int optlen); +int kernel_sendpage(struct socket *sock, struct page *page, int offset, + size_t size, int flags); +int kernel_sock_ioctl(struct socket *sock, int cmd, unsigned long arg); +int kernel_sock_shutdown(struct socket *sock, enum sock_shutdown_cmd how); #define MODULE_ALIAS_NETPROTO(proto) \ MODULE_ALIAS("net-pf-" __stringify(proto)) diff --git a/include/linux/netdev_features.h b/include/linux/netdev_features.h index a2a89a5c7be5..1005ebf17575 100644 --- a/include/linux/netdev_features.h +++ b/include/linux/netdev_features.h @@ -42,6 +42,8 @@ enum { NETIF_F_TSO6_BIT, /* ... TCPv6 segmentation */ NETIF_F_FSO_BIT, /* ... FCoE segmentation */ NETIF_F_GSO_GRE_BIT, /* ... GRE with TSO */ + NETIF_F_GSO_IPIP_BIT, /* ... IPIP tunnel with TSO */ + NETIF_F_GSO_SIT_BIT, /* ... SIT tunnel with TSO */ NETIF_F_GSO_UDP_TUNNEL_BIT, /* ... UDP TUNNEL with TSO */ NETIF_F_GSO_MPLS_BIT, /* ... MPLS segmentation */ /**/NETIF_F_GSO_LAST = /* last bit, see GSO_MASK */ @@ -60,6 +62,7 @@ enum { NETIF_F_HW_VLAN_STAG_TX_BIT, /* Transmit VLAN STAG HW acceleration */ NETIF_F_HW_VLAN_STAG_RX_BIT, /* Receive VLAN STAG HW acceleration */ NETIF_F_HW_VLAN_STAG_FILTER_BIT,/* Receive filtering on VLAN STAGs */ + NETIF_F_HW_L2FW_DOFFLOAD_BIT, /* Allow L2 Forwarding in Hardware */ /* * Add your fresh new feature above and remember to update @@ -107,11 +110,14 @@ enum { #define NETIF_F_RXFCS __NETIF_F(RXFCS) #define NETIF_F_RXALL __NETIF_F(RXALL) #define NETIF_F_GSO_GRE __NETIF_F(GSO_GRE) +#define NETIF_F_GSO_IPIP __NETIF_F(GSO_IPIP) +#define NETIF_F_GSO_SIT __NETIF_F(GSO_SIT) #define NETIF_F_GSO_UDP_TUNNEL __NETIF_F(GSO_UDP_TUNNEL) #define NETIF_F_GSO_MPLS __NETIF_F(GSO_MPLS) #define NETIF_F_HW_VLAN_STAG_FILTER __NETIF_F(HW_VLAN_STAG_FILTER) #define NETIF_F_HW_VLAN_STAG_RX __NETIF_F(HW_VLAN_STAG_RX) #define NETIF_F_HW_VLAN_STAG_TX __NETIF_F(HW_VLAN_STAG_TX) +#define NETIF_F_HW_L2FW_DOFFLOAD __NETIF_F(HW_L2FW_DOFFLOAD) /* Features valid for ethtool to change */ /* = all defined minus driver/device-class-related */ diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h index adf4070586d6..7f0ed423a360 100644 --- a/include/linux/netdevice.h +++ b/include/linux/netdevice.h @@ -60,8 +60,8 @@ struct wireless_dev; #define SET_ETHTOOL_OPS(netdev,ops) \ ( (netdev)->ethtool_ops = (ops) ) -extern void netdev_set_default_ethtool_ops(struct net_device *dev, - const struct ethtool_ops *ops); +void netdev_set_default_ethtool_ops(struct net_device *dev, + const struct ethtool_ops *ops); /* hardware address assignment types */ #define NET_ADDR_PERM 0 /* address is permanent (default) */ @@ -298,7 +298,7 @@ struct netdev_boot_setup { }; #define NETDEV_BOOT_SETUP_MAX 8 -extern int __init netdev_boot_setup(char *str); +int __init netdev_boot_setup(char *str); /* * Structure for NAPI scheduling similar to tasklet but with weighting @@ -394,7 +394,7 @@ enum rx_handler_result { typedef enum rx_handler_result rx_handler_result_t; typedef rx_handler_result_t rx_handler_func_t(struct sk_buff **pskb); -extern void __napi_schedule(struct napi_struct *n); +void __napi_schedule(struct napi_struct *n); static inline bool napi_disable_pending(struct napi_struct *n) { @@ -445,8 +445,8 @@ static inline bool napi_reschedule(struct napi_struct *napi) * * Mark NAPI processing as complete. */ -extern void __napi_complete(struct napi_struct *n); -extern void napi_complete(struct napi_struct *n); +void __napi_complete(struct napi_struct *n); +void napi_complete(struct napi_struct *n); /** * napi_by_id - lookup a NAPI by napi_id @@ -455,7 +455,7 @@ extern void napi_complete(struct napi_struct *n); * lookup @napi_id in napi_hash table * must be called under rcu_read_lock() */ -extern struct napi_struct *napi_by_id(unsigned int napi_id); +struct napi_struct *napi_by_id(unsigned int napi_id); /** * napi_hash_add - add a NAPI to global hashtable @@ -463,7 +463,7 @@ extern struct napi_struct *napi_by_id(unsigned int napi_id); * * generate a new napi_id and store a @napi under it in napi_hash */ -extern void napi_hash_add(struct napi_struct *napi); +void napi_hash_add(struct napi_struct *napi); /** * napi_hash_del - remove a NAPI from global table @@ -472,7 +472,7 @@ extern void napi_hash_add(struct napi_struct *napi); * Warning: caller must observe rcu grace period * before freeing memory containing @napi */ -extern void napi_hash_del(struct napi_struct *napi); +void napi_hash_del(struct napi_struct *napi); /** * napi_disable - prevent NAPI from scheduling @@ -483,6 +483,7 @@ extern void napi_hash_del(struct napi_struct *napi); */ static inline void napi_disable(struct napi_struct *n) { + might_sleep(); set_bit(NAPI_STATE_DISABLE, &n->state); while (test_and_set_bit(NAPI_STATE_SCHED, &n->state)) msleep(1); @@ -664,8 +665,8 @@ static inline void rps_reset_sock_flow(struct rps_sock_flow_table *table, extern struct rps_sock_flow_table __rcu *rps_sock_flow_table; #ifdef CONFIG_RFS_ACCEL -extern bool rps_may_expire_flow(struct net_device *dev, u16 rxq_index, - u32 flow_id, u16 filter_id); +bool rps_may_expire_flow(struct net_device *dev, u16 rxq_index, u32 flow_id, + u16 filter_id); #endif /* This structure contains an instance of an RX queue. */ @@ -961,6 +962,25 @@ struct netdev_phys_port_id { * Called by vxlan to notify the driver about a UDP port and socket * address family that vxlan is not listening to anymore. The operation * is protected by the vxlan_net->sock_lock. + * + * void* (*ndo_dfwd_add_station)(struct net_device *pdev, + * struct net_device *dev) + * Called by upper layer devices to accelerate switching or other + * station functionality into hardware. 'pdev is the lowerdev + * to use for the offload and 'dev' is the net device that will + * back the offload. Returns a pointer to the private structure + * the upper layer will maintain. + * void (*ndo_dfwd_del_station)(struct net_device *pdev, void *priv) + * Called by upper layer device to delete the station created + * by 'ndo_dfwd_add_station'. 'pdev' is the net device backing + * the station and priv is the structure returned by the add + * operation. + * netdev_tx_t (*ndo_dfwd_start_xmit)(struct sk_buff *skb, + * struct net_device *dev, + * void *priv); + * Callback to use for xmit over the accelerated station. This + * is used in place of ndo_start_xmit on accelerated net + * devices. */ struct net_device_ops { int (*ndo_init)(struct net_device *dev); @@ -1097,6 +1117,15 @@ struct net_device_ops { void (*ndo_del_vxlan_port)(struct net_device *dev, sa_family_t sa_family, __be16 port); + + void* (*ndo_dfwd_add_station)(struct net_device *pdev, + struct net_device *dev); + void (*ndo_dfwd_del_station)(struct net_device *pdev, + void *priv); + + netdev_tx_t (*ndo_dfwd_start_xmit) (struct sk_buff *skb, + struct net_device *dev, + void *priv); }; /* @@ -1131,7 +1160,7 @@ struct net_device { unsigned long mem_end; /* shared mem end */ unsigned long mem_start; /* shared mem start */ unsigned long base_addr; /* device I/O address */ - unsigned int irq; /* device IRQ number */ + int irq; /* device IRQ number */ /* * Some hardware also needs these fields, but they are not @@ -1143,8 +1172,19 @@ struct net_device { struct list_head dev_list; struct list_head napi_list; struct list_head unreg_list; - struct list_head upper_dev_list; /* List of upper devices */ - struct list_head lower_dev_list; + struct list_head close_list; + + /* directly linked devices, like slaves for bonding */ + struct { + struct list_head upper; + struct list_head lower; + } adj_list; + + /* all linked devices, *including* neighbours */ + struct { + struct list_head upper; + struct list_head lower; + } all_adj_list; /* currently active device features */ @@ -1183,6 +1223,7 @@ struct net_device { /* Management operations */ const struct net_device_ops *netdev_ops; const struct ethtool_ops *ethtool_ops; + const struct forwarding_accel_ops *fwd_ops; /* Hardware header description */ const struct header_ops *header_ops; @@ -1487,9 +1528,9 @@ static inline void netdev_for_each_tx_queue(struct net_device *dev, f(dev, &dev->_tx[i], arg); } -extern struct netdev_queue *netdev_pick_tx(struct net_device *dev, - struct sk_buff *skb); -extern u16 __netdev_pick_tx(struct net_device *dev, struct sk_buff *skb); +struct netdev_queue *netdev_pick_tx(struct net_device *dev, + struct sk_buff *skb); +u16 __netdev_pick_tx(struct net_device *dev, struct sk_buff *skb); /* * Net namespace inlines @@ -1546,7 +1587,7 @@ static inline void *netdev_priv(const struct net_device *dev) #define SET_NETDEV_DEV(net, pdev) ((net)->dev.parent = (pdev)) /* Set the sysfs device type for the network logical device to allow - * fin grained indentification of different network device types. For + * fine-grained identification of different network device types. For * example Ethernet, Wirelss LAN, Bluetooth, WiMAX etc. */ #define SET_NETDEV_DEVTYPE(net, devtype) ((net)->dev.type = (devtype)) @@ -1673,8 +1714,8 @@ struct packet_offload { #define NETDEV_CHANGEUPPER 0x0015 #define NETDEV_RESEND_IGMP 0x0016 -extern int register_netdevice_notifier(struct notifier_block *nb); -extern int unregister_netdevice_notifier(struct notifier_block *nb); +int register_netdevice_notifier(struct notifier_block *nb); +int unregister_netdevice_notifier(struct notifier_block *nb); struct netdev_notifier_info { struct net_device *dev; @@ -1697,9 +1738,9 @@ netdev_notifier_info_to_dev(const struct netdev_notifier_info *info) return info->dev; } -extern int call_netdevice_notifiers_info(unsigned long val, struct net_device *dev, - struct netdev_notifier_info *info); -extern int call_netdevice_notifiers(unsigned long val, struct net_device *dev); +int call_netdevice_notifiers_info(unsigned long val, struct net_device *dev, + struct netdev_notifier_info *info); +int call_netdevice_notifiers(unsigned long val, struct net_device *dev); extern rwlock_t dev_base_lock; /* Device list lock */ @@ -1754,54 +1795,53 @@ static inline struct net_device *first_net_device_rcu(struct net *net) return lh == &net->dev_base_head ? NULL : net_device_entry(lh); } -extern int netdev_boot_setup_check(struct net_device *dev); -extern unsigned long netdev_boot_base(const char *prefix, int unit); -extern struct net_device *dev_getbyhwaddr_rcu(struct net *net, unsigned short type, - const char *hwaddr); -extern struct net_device *dev_getfirstbyhwtype(struct net *net, unsigned short type); -extern struct net_device *__dev_getfirstbyhwtype(struct net *net, unsigned short type); -extern void dev_add_pack(struct packet_type *pt); -extern void dev_remove_pack(struct packet_type *pt); -extern void __dev_remove_pack(struct packet_type *pt); -extern void dev_add_offload(struct packet_offload *po); -extern void dev_remove_offload(struct packet_offload *po); -extern void __dev_remove_offload(struct packet_offload *po); - -extern struct net_device *dev_get_by_flags_rcu(struct net *net, unsigned short flags, - unsigned short mask); -extern struct net_device *dev_get_by_name(struct net *net, const char *name); -extern struct net_device *dev_get_by_name_rcu(struct net *net, const char *name); -extern struct net_device *__dev_get_by_name(struct net *net, const char *name); -extern int dev_alloc_name(struct net_device *dev, const char *name); -extern int dev_open(struct net_device *dev); -extern int dev_close(struct net_device *dev); -extern void dev_disable_lro(struct net_device *dev); -extern int dev_loopback_xmit(struct sk_buff *newskb); -extern int dev_queue_xmit(struct sk_buff *skb); -extern int register_netdevice(struct net_device *dev); -extern void unregister_netdevice_queue(struct net_device *dev, - struct list_head *head); -extern void unregister_netdevice_many(struct list_head *head); +int netdev_boot_setup_check(struct net_device *dev); +unsigned long netdev_boot_base(const char *prefix, int unit); +struct net_device *dev_getbyhwaddr_rcu(struct net *net, unsigned short type, + const char *hwaddr); +struct net_device *dev_getfirstbyhwtype(struct net *net, unsigned short type); +struct net_device *__dev_getfirstbyhwtype(struct net *net, unsigned short type); +void dev_add_pack(struct packet_type *pt); +void dev_remove_pack(struct packet_type *pt); +void __dev_remove_pack(struct packet_type *pt); +void dev_add_offload(struct packet_offload *po); +void dev_remove_offload(struct packet_offload *po); +void __dev_remove_offload(struct packet_offload *po); + +struct net_device *dev_get_by_flags_rcu(struct net *net, unsigned short flags, + unsigned short mask); +struct net_device *dev_get_by_name(struct net *net, const char *name); +struct net_device *dev_get_by_name_rcu(struct net *net, const char *name); +struct net_device *__dev_get_by_name(struct net *net, const char *name); +int dev_alloc_name(struct net_device *dev, const char *name); +int dev_open(struct net_device *dev); +int dev_close(struct net_device *dev); +void dev_disable_lro(struct net_device *dev); +int dev_loopback_xmit(struct sk_buff *newskb); +int dev_queue_xmit(struct sk_buff *skb); +int register_netdevice(struct net_device *dev); +void unregister_netdevice_queue(struct net_device *dev, struct list_head *head); +void unregister_netdevice_many(struct list_head *head); static inline void unregister_netdevice(struct net_device *dev) { unregister_netdevice_queue(dev, NULL); } -extern int netdev_refcnt_read(const struct net_device *dev); -extern void free_netdev(struct net_device *dev); -extern void synchronize_net(void); -extern int init_dummy_netdev(struct net_device *dev); +int netdev_refcnt_read(const struct net_device *dev); +void free_netdev(struct net_device *dev); +void netdev_freemem(struct net_device *dev); +void synchronize_net(void); +int init_dummy_netdev(struct net_device *dev); -extern struct net_device *dev_get_by_index(struct net *net, int ifindex); -extern struct net_device *__dev_get_by_index(struct net *net, int ifindex); -extern struct net_device *dev_get_by_index_rcu(struct net *net, int ifindex); -extern int netdev_get_name(struct net *net, char *name, int ifindex); -extern int dev_restart(struct net_device *dev); +struct net_device *dev_get_by_index(struct net *net, int ifindex); +struct net_device *__dev_get_by_index(struct net *net, int ifindex); +struct net_device *dev_get_by_index_rcu(struct net *net, int ifindex); +int netdev_get_name(struct net *net, char *name, int ifindex); +int dev_restart(struct net_device *dev); #ifdef CONFIG_NETPOLL_TRAP -extern int netpoll_trap(void); +int netpoll_trap(void); #endif -extern int skb_gro_receive(struct sk_buff **head, - struct sk_buff *skb); +int skb_gro_receive(struct sk_buff **head, struct sk_buff *skb); static inline unsigned int skb_gro_offset(const struct sk_buff *skb) { @@ -1873,7 +1913,7 @@ static inline int dev_parse_header(const struct sk_buff *skb, } typedef int gifconf_func_t(struct net_device * dev, char __user * bufptr, int len); -extern int register_gifconf(unsigned int family, gifconf_func_t * gifconf); +int register_gifconf(unsigned int family, gifconf_func_t *gifconf); static inline int unregister_gifconf(unsigned int family) { return register_gifconf(family, NULL); @@ -1944,7 +1984,7 @@ static inline void input_queue_tail_incr_save(struct softnet_data *sd, DECLARE_PER_CPU_ALIGNED(struct softnet_data, softnet_data); -extern void __netif_schedule(struct Qdisc *q); +void __netif_schedule(struct Qdisc *q); static inline void netif_schedule_queue(struct netdev_queue *txq) { @@ -2264,9 +2304,8 @@ static inline void netif_wake_subqueue(struct net_device *dev, u16 queue_index) } #ifdef CONFIG_XPS -extern int netif_set_xps_queue(struct net_device *dev, - const struct cpumask *mask, - u16 index); +int netif_set_xps_queue(struct net_device *dev, const struct cpumask *mask, + u16 index); #else static inline int netif_set_xps_queue(struct net_device *dev, const struct cpumask *mask, @@ -2297,12 +2336,10 @@ static inline bool netif_is_multiqueue(const struct net_device *dev) return dev->num_tx_queues > 1; } -extern int netif_set_real_num_tx_queues(struct net_device *dev, - unsigned int txq); +int netif_set_real_num_tx_queues(struct net_device *dev, unsigned int txq); #ifdef CONFIG_RPS -extern int netif_set_real_num_rx_queues(struct net_device *dev, - unsigned int rxq); +int netif_set_real_num_rx_queues(struct net_device *dev, unsigned int rxq); #else static inline int netif_set_real_num_rx_queues(struct net_device *dev, unsigned int rxq) @@ -2329,28 +2366,27 @@ static inline int netif_copy_real_num_queues(struct net_device *to_dev, } #define DEFAULT_MAX_NUM_RSS_QUEUES (8) -extern int netif_get_num_default_rss_queues(void); +int netif_get_num_default_rss_queues(void); /* Use this variant when it is known for sure that it * is executing from hardware interrupt context or with hardware interrupts * disabled. */ -extern void dev_kfree_skb_irq(struct sk_buff *skb); +void dev_kfree_skb_irq(struct sk_buff *skb); /* Use this variant in places where it could be invoked * from either hardware interrupt or other context, with hardware interrupts * either disabled or enabled. */ -extern void dev_kfree_skb_any(struct sk_buff *skb); +void dev_kfree_skb_any(struct sk_buff *skb); -extern int netif_rx(struct sk_buff *skb); -extern int netif_rx_ni(struct sk_buff *skb); -extern int netif_receive_skb(struct sk_buff *skb); -extern gro_result_t napi_gro_receive(struct napi_struct *napi, - struct sk_buff *skb); -extern void napi_gro_flush(struct napi_struct *napi, bool flush_old); -extern struct sk_buff * napi_get_frags(struct napi_struct *napi); -extern gro_result_t napi_gro_frags(struct napi_struct *napi); +int netif_rx(struct sk_buff *skb); +int netif_rx_ni(struct sk_buff *skb); +int netif_receive_skb(struct sk_buff *skb); +gro_result_t napi_gro_receive(struct napi_struct *napi, struct sk_buff *skb); +void napi_gro_flush(struct napi_struct *napi, bool flush_old); +struct sk_buff *napi_get_frags(struct napi_struct *napi); +gro_result_t napi_gro_frags(struct napi_struct *napi); static inline void napi_free_frags(struct napi_struct *napi) { @@ -2358,40 +2394,36 @@ static inline void napi_free_frags(struct napi_struct *napi) napi->skb = NULL; } -extern int netdev_rx_handler_register(struct net_device *dev, - rx_handler_func_t *rx_handler, - void *rx_handler_data); -extern void netdev_rx_handler_unregister(struct net_device *dev); - -extern bool dev_valid_name(const char *name); -extern int dev_ioctl(struct net *net, unsigned int cmd, void __user *); -extern int dev_ethtool(struct net *net, struct ifreq *); -extern unsigned int dev_get_flags(const struct net_device *); -extern int __dev_change_flags(struct net_device *, unsigned int flags); -extern int dev_change_flags(struct net_device *, unsigned int); -extern void __dev_notify_flags(struct net_device *, unsigned int old_flags); -extern int dev_change_name(struct net_device *, const char *); -extern int dev_set_alias(struct net_device *, const char *, size_t); -extern int dev_change_net_namespace(struct net_device *, - struct net *, const char *); -extern int dev_set_mtu(struct net_device *, int); -extern void dev_set_group(struct net_device *, int); -extern int dev_set_mac_address(struct net_device *, - struct sockaddr *); -extern int dev_change_carrier(struct net_device *, - bool new_carrier); -extern int dev_get_phys_port_id(struct net_device *dev, - struct netdev_phys_port_id *ppid); -extern int dev_hard_start_xmit(struct sk_buff *skb, - struct net_device *dev, - struct netdev_queue *txq); -extern int dev_forward_skb(struct net_device *dev, - struct sk_buff *skb); +int netdev_rx_handler_register(struct net_device *dev, + rx_handler_func_t *rx_handler, + void *rx_handler_data); +void netdev_rx_handler_unregister(struct net_device *dev); + +bool dev_valid_name(const char *name); +int dev_ioctl(struct net *net, unsigned int cmd, void __user *); +int dev_ethtool(struct net *net, struct ifreq *); +unsigned int dev_get_flags(const struct net_device *); +int __dev_change_flags(struct net_device *, unsigned int flags); +int dev_change_flags(struct net_device *, unsigned int); +void __dev_notify_flags(struct net_device *, unsigned int old_flags, + unsigned int gchanges); +int dev_change_name(struct net_device *, const char *); +int dev_set_alias(struct net_device *, const char *, size_t); +int dev_change_net_namespace(struct net_device *, struct net *, const char *); +int dev_set_mtu(struct net_device *, int); +void dev_set_group(struct net_device *, int); +int dev_set_mac_address(struct net_device *, struct sockaddr *); +int dev_change_carrier(struct net_device *, bool new_carrier); +int dev_get_phys_port_id(struct net_device *dev, + struct netdev_phys_port_id *ppid); +int dev_hard_start_xmit(struct sk_buff *skb, struct net_device *dev, + struct netdev_queue *txq, void *accel_priv); +int dev_forward_skb(struct net_device *dev, struct sk_buff *skb); extern int netdev_budget; /* Called by rtnetlink.c:rtnl_unlock() */ -extern void netdev_run_todo(void); +void netdev_run_todo(void); /** * dev_put - release reference to device @@ -2424,9 +2456,9 @@ static inline void dev_hold(struct net_device *dev) * kind of lower layer not just hardware media. */ -extern void linkwatch_init_dev(struct net_device *dev); -extern void linkwatch_fire_event(struct net_device *dev); -extern void linkwatch_forget_dev(struct net_device *dev); +void linkwatch_init_dev(struct net_device *dev); +void linkwatch_fire_event(struct net_device *dev); +void linkwatch_forget_dev(struct net_device *dev); /** * netif_carrier_ok - test if carrier present @@ -2439,13 +2471,13 @@ static inline bool netif_carrier_ok(const struct net_device *dev) return !test_bit(__LINK_STATE_NOCARRIER, &dev->state); } -extern unsigned long dev_trans_start(struct net_device *dev); +unsigned long dev_trans_start(struct net_device *dev); -extern void __netdev_watchdog_up(struct net_device *dev); +void __netdev_watchdog_up(struct net_device *dev); -extern void netif_carrier_on(struct net_device *dev); +void netif_carrier_on(struct net_device *dev); -extern void netif_carrier_off(struct net_device *dev); +void netif_carrier_off(struct net_device *dev); /** * netif_dormant_on - mark device as dormant. @@ -2513,9 +2545,9 @@ static inline bool netif_device_present(struct net_device *dev) return test_bit(__LINK_STATE_PRESENT, &dev->state); } -extern void netif_device_detach(struct net_device *dev); +void netif_device_detach(struct net_device *dev); -extern void netif_device_attach(struct net_device *dev); +void netif_device_attach(struct net_device *dev); /* * Network interface message level settings @@ -2724,119 +2756,138 @@ static inline void netif_addr_unlock_bh(struct net_device *dev) /* These functions live elsewhere (drivers/net/net_init.c, but related) */ -extern void ether_setup(struct net_device *dev); +void ether_setup(struct net_device *dev); /* Support for loadable net-drivers */ -extern struct net_device *alloc_netdev_mqs(int sizeof_priv, const char *name, - void (*setup)(struct net_device *), - unsigned int txqs, unsigned int rxqs); +struct net_device *alloc_netdev_mqs(int sizeof_priv, const char *name, + void (*setup)(struct net_device *), + unsigned int txqs, unsigned int rxqs); #define alloc_netdev(sizeof_priv, name, setup) \ alloc_netdev_mqs(sizeof_priv, name, setup, 1, 1) #define alloc_netdev_mq(sizeof_priv, name, setup, count) \ alloc_netdev_mqs(sizeof_priv, name, setup, count, count) -extern int register_netdev(struct net_device *dev); -extern void unregister_netdev(struct net_device *dev); +int register_netdev(struct net_device *dev); +void unregister_netdev(struct net_device *dev); /* General hardware address lists handling functions */ -extern int __hw_addr_add_multiple(struct netdev_hw_addr_list *to_list, - struct netdev_hw_addr_list *from_list, - int addr_len, unsigned char addr_type); -extern void __hw_addr_del_multiple(struct netdev_hw_addr_list *to_list, - struct netdev_hw_addr_list *from_list, - int addr_len, unsigned char addr_type); -extern int __hw_addr_sync(struct netdev_hw_addr_list *to_list, - struct netdev_hw_addr_list *from_list, - int addr_len); -extern void __hw_addr_unsync(struct netdev_hw_addr_list *to_list, - struct netdev_hw_addr_list *from_list, - int addr_len); -extern void __hw_addr_flush(struct netdev_hw_addr_list *list); -extern void __hw_addr_init(struct netdev_hw_addr_list *list); +int __hw_addr_add_multiple(struct netdev_hw_addr_list *to_list, + struct netdev_hw_addr_list *from_list, + int addr_len, unsigned char addr_type); +void __hw_addr_del_multiple(struct netdev_hw_addr_list *to_list, + struct netdev_hw_addr_list *from_list, + int addr_len, unsigned char addr_type); +int __hw_addr_sync(struct netdev_hw_addr_list *to_list, + struct netdev_hw_addr_list *from_list, int addr_len); +void __hw_addr_unsync(struct netdev_hw_addr_list *to_list, + struct netdev_hw_addr_list *from_list, int addr_len); +void __hw_addr_flush(struct netdev_hw_addr_list *list); +void __hw_addr_init(struct netdev_hw_addr_list *list); /* Functions used for device addresses handling */ -extern int dev_addr_add(struct net_device *dev, const unsigned char *addr, - unsigned char addr_type); -extern int dev_addr_del(struct net_device *dev, const unsigned char *addr, - unsigned char addr_type); -extern int dev_addr_add_multiple(struct net_device *to_dev, - struct net_device *from_dev, - unsigned char addr_type); -extern int dev_addr_del_multiple(struct net_device *to_dev, - struct net_device *from_dev, - unsigned char addr_type); -extern void dev_addr_flush(struct net_device *dev); -extern int dev_addr_init(struct net_device *dev); +int dev_addr_add(struct net_device *dev, const unsigned char *addr, + unsigned char addr_type); +int dev_addr_del(struct net_device *dev, const unsigned char *addr, + unsigned char addr_type); +int dev_addr_add_multiple(struct net_device *to_dev, + struct net_device *from_dev, unsigned char addr_type); +int dev_addr_del_multiple(struct net_device *to_dev, + struct net_device *from_dev, unsigned char addr_type); +void dev_addr_flush(struct net_device *dev); +int dev_addr_init(struct net_device *dev); /* Functions used for unicast addresses handling */ -extern int dev_uc_add(struct net_device *dev, const unsigned char *addr); -extern int dev_uc_add_excl(struct net_device *dev, const unsigned char *addr); -extern int dev_uc_del(struct net_device *dev, const unsigned char *addr); -extern int dev_uc_sync(struct net_device *to, struct net_device *from); -extern int dev_uc_sync_multiple(struct net_device *to, struct net_device *from); -extern void dev_uc_unsync(struct net_device *to, struct net_device *from); -extern void dev_uc_flush(struct net_device *dev); -extern void dev_uc_init(struct net_device *dev); +int dev_uc_add(struct net_device *dev, const unsigned char *addr); +int dev_uc_add_excl(struct net_device *dev, const unsigned char *addr); +int dev_uc_del(struct net_device *dev, const unsigned char *addr); +int dev_uc_sync(struct net_device *to, struct net_device *from); +int dev_uc_sync_multiple(struct net_device *to, struct net_device *from); +void dev_uc_unsync(struct net_device *to, struct net_device *from); +void dev_uc_flush(struct net_device *dev); +void dev_uc_init(struct net_device *dev); /* Functions used for multicast addresses handling */ -extern int dev_mc_add(struct net_device *dev, const unsigned char *addr); -extern int dev_mc_add_global(struct net_device *dev, const unsigned char *addr); -extern int dev_mc_add_excl(struct net_device *dev, const unsigned char *addr); -extern int dev_mc_del(struct net_device *dev, const unsigned char *addr); -extern int dev_mc_del_global(struct net_device *dev, const unsigned char *addr); -extern int dev_mc_sync(struct net_device *to, struct net_device *from); -extern int dev_mc_sync_multiple(struct net_device *to, struct net_device *from); -extern void dev_mc_unsync(struct net_device *to, struct net_device *from); -extern void dev_mc_flush(struct net_device *dev); -extern void dev_mc_init(struct net_device *dev); +int dev_mc_add(struct net_device *dev, const unsigned char *addr); +int dev_mc_add_global(struct net_device *dev, const unsigned char *addr); +int dev_mc_add_excl(struct net_device *dev, const unsigned char *addr); +int dev_mc_del(struct net_device *dev, const unsigned char *addr); +int dev_mc_del_global(struct net_device *dev, const unsigned char *addr); +int dev_mc_sync(struct net_device *to, struct net_device *from); +int dev_mc_sync_multiple(struct net_device *to, struct net_device *from); +void dev_mc_unsync(struct net_device *to, struct net_device *from); +void dev_mc_flush(struct net_device *dev); +void dev_mc_init(struct net_device *dev); /* Functions used for secondary unicast and multicast support */ -extern void dev_set_rx_mode(struct net_device *dev); -extern void __dev_set_rx_mode(struct net_device *dev); -extern int dev_set_promiscuity(struct net_device *dev, int inc); -extern int dev_set_allmulti(struct net_device *dev, int inc); -extern void netdev_state_change(struct net_device *dev); -extern void netdev_notify_peers(struct net_device *dev); -extern void netdev_features_change(struct net_device *dev); +void dev_set_rx_mode(struct net_device *dev); +void __dev_set_rx_mode(struct net_device *dev); +int dev_set_promiscuity(struct net_device *dev, int inc); +int dev_set_allmulti(struct net_device *dev, int inc); +void netdev_state_change(struct net_device *dev); +void netdev_notify_peers(struct net_device *dev); +void netdev_features_change(struct net_device *dev); /* Load a device via the kmod */ -extern void dev_load(struct net *net, const char *name); -extern struct rtnl_link_stats64 *dev_get_stats(struct net_device *dev, - struct rtnl_link_stats64 *storage); -extern void netdev_stats_to_stats64(struct rtnl_link_stats64 *stats64, - const struct net_device_stats *netdev_stats); +void dev_load(struct net *net, const char *name); +struct rtnl_link_stats64 *dev_get_stats(struct net_device *dev, + struct rtnl_link_stats64 *storage); +void netdev_stats_to_stats64(struct rtnl_link_stats64 *stats64, + const struct net_device_stats *netdev_stats); extern int netdev_max_backlog; extern int netdev_tstamp_prequeue; extern int weight_p; extern int bpf_jit_enable; -extern bool netdev_has_upper_dev(struct net_device *dev, - struct net_device *upper_dev); -extern bool netdev_has_any_upper_dev(struct net_device *dev); -extern struct net_device *netdev_upper_get_next_dev_rcu(struct net_device *dev, - struct list_head **iter); +bool netdev_has_upper_dev(struct net_device *dev, struct net_device *upper_dev); +bool netdev_has_any_upper_dev(struct net_device *dev); +struct net_device *netdev_all_upper_get_next_dev_rcu(struct net_device *dev, + struct list_head **iter); /* iterate through upper list, must be called under RCU read lock */ -#define netdev_for_each_upper_dev_rcu(dev, upper, iter) \ - for (iter = &(dev)->upper_dev_list, \ - upper = netdev_upper_get_next_dev_rcu(dev, &(iter)); \ - upper; \ - upper = netdev_upper_get_next_dev_rcu(dev, &(iter))) - -extern struct net_device *netdev_master_upper_dev_get(struct net_device *dev); -extern struct net_device *netdev_master_upper_dev_get_rcu(struct net_device *dev); -extern int netdev_upper_dev_link(struct net_device *dev, +#define netdev_for_each_all_upper_dev_rcu(dev, updev, iter) \ + for (iter = &(dev)->all_adj_list.upper, \ + updev = netdev_all_upper_get_next_dev_rcu(dev, &(iter)); \ + updev; \ + updev = netdev_all_upper_get_next_dev_rcu(dev, &(iter))) + +void *netdev_lower_get_next_private(struct net_device *dev, + struct list_head **iter); +void *netdev_lower_get_next_private_rcu(struct net_device *dev, + struct list_head **iter); + +#define netdev_for_each_lower_private(dev, priv, iter) \ + for (iter = (dev)->adj_list.lower.next, \ + priv = netdev_lower_get_next_private(dev, &(iter)); \ + priv; \ + priv = netdev_lower_get_next_private(dev, &(iter))) + +#define netdev_for_each_lower_private_rcu(dev, priv, iter) \ + for (iter = &(dev)->adj_list.lower, \ + priv = netdev_lower_get_next_private_rcu(dev, &(iter)); \ + priv; \ + priv = netdev_lower_get_next_private_rcu(dev, &(iter))) + +void *netdev_adjacent_get_private(struct list_head *adj_list); +struct net_device *netdev_master_upper_dev_get(struct net_device *dev); +struct net_device *netdev_master_upper_dev_get_rcu(struct net_device *dev); +int netdev_upper_dev_link(struct net_device *dev, struct net_device *upper_dev); +int netdev_master_upper_dev_link(struct net_device *dev, struct net_device *upper_dev); -extern int netdev_master_upper_dev_link(struct net_device *dev, - struct net_device *upper_dev); -extern void netdev_upper_dev_unlink(struct net_device *dev, - struct net_device *upper_dev); -extern int skb_checksum_help(struct sk_buff *skb); -extern struct sk_buff *__skb_gso_segment(struct sk_buff *skb, - netdev_features_t features, bool tx_path); -extern struct sk_buff *skb_mac_gso_segment(struct sk_buff *skb, - netdev_features_t features); +int netdev_master_upper_dev_link_private(struct net_device *dev, + struct net_device *upper_dev, + void *private); +void netdev_upper_dev_unlink(struct net_device *dev, + struct net_device *upper_dev); +void *netdev_lower_dev_get_private_rcu(struct net_device *dev, + struct net_device *lower_dev); +void *netdev_lower_dev_get_private(struct net_device *dev, + struct net_device *lower_dev); +int skb_checksum_help(struct sk_buff *skb); +struct sk_buff *__skb_gso_segment(struct sk_buff *skb, + netdev_features_t features, bool tx_path); +struct sk_buff *skb_mac_gso_segment(struct sk_buff *skb, + netdev_features_t features); static inline struct sk_buff *skb_gso_segment(struct sk_buff *skb, netdev_features_t features) @@ -2858,26 +2909,26 @@ static inline bool can_checksum_protocol(netdev_features_t features, } #ifdef CONFIG_BUG -extern void netdev_rx_csum_fault(struct net_device *dev); +void netdev_rx_csum_fault(struct net_device *dev); #else static inline void netdev_rx_csum_fault(struct net_device *dev) { } #endif /* rx skb timestamps */ -extern void net_enable_timestamp(void); -extern void net_disable_timestamp(void); +void net_enable_timestamp(void); +void net_disable_timestamp(void); #ifdef CONFIG_PROC_FS -extern int __init dev_proc_init(void); +int __init dev_proc_init(void); #else #define dev_proc_init() 0 #endif -extern int netdev_class_create_file_ns(struct class_attribute *class_attr, - const void *ns); -extern void netdev_class_remove_file_ns(struct class_attribute *class_attr, - const void *ns); +int netdev_class_create_file_ns(struct class_attribute *class_attr, + const void *ns); +void netdev_class_remove_file_ns(struct class_attribute *class_attr, + const void *ns); static inline int netdev_class_create_file(struct class_attribute *class_attr) { @@ -2891,9 +2942,9 @@ static inline void netdev_class_remove_file(struct class_attribute *class_attr) extern struct kobj_ns_type_operations net_ns_type_operations; -extern const char *netdev_drivername(const struct net_device *dev); +const char *netdev_drivername(const struct net_device *dev); -extern void linkwatch_run_queue(void); +void linkwatch_run_queue(void); static inline netdev_features_t netdev_get_wanted_features( struct net_device *dev) @@ -2957,6 +3008,11 @@ static inline void netif_set_gso_max_size(struct net_device *dev, dev->gso_max_size = size; } +static inline bool netif_is_macvlan(struct net_device *dev) +{ + return dev->priv_flags & IFF_MACVLAN; +} + static inline bool netif_is_bond_master(struct net_device *dev) { return dev->flags & IFF_MASTER && dev->priv_flags & IFF_BONDING; @@ -2985,22 +3041,22 @@ static inline const char *netdev_name(const struct net_device *dev) return dev->name; } -extern __printf(3, 4) +__printf(3, 4) int netdev_printk(const char *level, const struct net_device *dev, const char *format, ...); -extern __printf(2, 3) +__printf(2, 3) int netdev_emerg(const struct net_device *dev, const char *format, ...); -extern __printf(2, 3) +__printf(2, 3) int netdev_alert(const struct net_device *dev, const char *format, ...); -extern __printf(2, 3) +__printf(2, 3) int netdev_crit(const struct net_device *dev, const char *format, ...); -extern __printf(2, 3) +__printf(2, 3) int netdev_err(const struct net_device *dev, const char *format, ...); -extern __printf(2, 3) +__printf(2, 3) int netdev_warn(const struct net_device *dev, const char *format, ...); -extern __printf(2, 3) +__printf(2, 3) int netdev_notice(const struct net_device *dev, const char *format, ...); -extern __printf(2, 3) +__printf(2, 3) int netdev_info(const struct net_device *dev, const char *format, ...); #define MODULE_ALIAS_NETDEV(device) \ @@ -3041,7 +3097,7 @@ do { \ * file/line information and a backtrace. */ #define netdev_WARN(dev, format, args...) \ - WARN(1, "netdevice: %s\n" format, netdev_name(dev), ##args); + WARN(1, "netdevice: %s\n" format, netdev_name(dev), ##args) /* netif printk helpers, similar to netdev_printk */ diff --git a/include/linux/netfilter.h b/include/linux/netfilter.h index 708fe72ab913..2077489f9887 100644 --- a/include/linux/netfilter.h +++ b/include/linux/netfilter.h @@ -35,14 +35,15 @@ static inline void nf_inet_addr_mask(const union nf_inet_addr *a1, result->all[3] = a1->all[3] & mask->all[3]; } -extern int netfilter_init(void); +int netfilter_init(void); /* Largest hook number + 1 */ #define NF_MAX_HOOKS 8 struct sk_buff; -typedef unsigned int nf_hookfn(unsigned int hooknum, +struct nf_hook_ops; +typedef unsigned int nf_hookfn(const struct nf_hook_ops *ops, struct sk_buff *skb, const struct net_device *in, const struct net_device *out, @@ -52,12 +53,13 @@ struct nf_hook_ops { struct list_head list; /* User fills in from here down. */ - nf_hookfn *hook; - struct module *owner; - u_int8_t pf; - unsigned int hooknum; + nf_hookfn *hook; + struct module *owner; + void *priv; + u_int8_t pf; + unsigned int hooknum; /* Hooks are ordered in ascending priority. */ - int priority; + int priority; }; struct nf_sockopt_ops { @@ -208,7 +210,7 @@ int compat_nf_getsockopt(struct sock *sk, u_int8_t pf, int optval, /* Call this before modifying an existing packet: ensures it is modifiable and linear to the point you care about (writable_len). Returns true or false. */ -extern int skb_make_writable(struct sk_buff *skb, unsigned int writable_len); +int skb_make_writable(struct sk_buff *skb, unsigned int writable_len); struct flowi; struct nf_queue_entry; @@ -269,8 +271,8 @@ nf_checksum_partial(struct sk_buff *skb, unsigned int hook, return csum; } -extern int nf_register_afinfo(const struct nf_afinfo *afinfo); -extern void nf_unregister_afinfo(const struct nf_afinfo *afinfo); +int nf_register_afinfo(const struct nf_afinfo *afinfo); +void nf_unregister_afinfo(const struct nf_afinfo *afinfo); #include <net/flow.h> extern void (*nf_nat_decode_session_hook)(struct sk_buff *, struct flowi *); @@ -315,7 +317,7 @@ nf_nat_decode_session(struct sk_buff *skb, struct flowi *fl, u_int8_t family) #if defined(CONFIG_NF_CONNTRACK) || defined(CONFIG_NF_CONNTRACK_MODULE) extern void (*ip_ct_attach)(struct sk_buff *, const struct sk_buff *) __rcu; -extern void nf_ct_attach(struct sk_buff *, const struct sk_buff *); +void nf_ct_attach(struct sk_buff *, const struct sk_buff *); extern void (*nf_ct_destroy)(struct nf_conntrack *) __rcu; struct nf_conn; diff --git a/include/linux/netfilter/ipset/ip_set.h b/include/linux/netfilter/ipset/ip_set.h index 9ac9fbde7b61..c7174b816674 100644 --- a/include/linux/netfilter/ipset/ip_set.h +++ b/include/linux/netfilter/ipset/ip_set.h @@ -49,31 +49,68 @@ enum ip_set_feature { /* Set extensions */ enum ip_set_extension { - IPSET_EXT_NONE = 0, - IPSET_EXT_BIT_TIMEOUT = 1, + IPSET_EXT_BIT_TIMEOUT = 0, IPSET_EXT_TIMEOUT = (1 << IPSET_EXT_BIT_TIMEOUT), - IPSET_EXT_BIT_COUNTER = 2, + IPSET_EXT_BIT_COUNTER = 1, IPSET_EXT_COUNTER = (1 << IPSET_EXT_BIT_COUNTER), -}; - -/* Extension offsets */ -enum ip_set_offset { - IPSET_OFFSET_TIMEOUT = 0, - IPSET_OFFSET_COUNTER, - IPSET_OFFSET_MAX, + IPSET_EXT_BIT_COMMENT = 2, + IPSET_EXT_COMMENT = (1 << IPSET_EXT_BIT_COMMENT), + /* Mark set with an extension which needs to call destroy */ + IPSET_EXT_BIT_DESTROY = 7, + IPSET_EXT_DESTROY = (1 << IPSET_EXT_BIT_DESTROY), }; #define SET_WITH_TIMEOUT(s) ((s)->extensions & IPSET_EXT_TIMEOUT) #define SET_WITH_COUNTER(s) ((s)->extensions & IPSET_EXT_COUNTER) +#define SET_WITH_COMMENT(s) ((s)->extensions & IPSET_EXT_COMMENT) + +/* Extension id, in size order */ +enum ip_set_ext_id { + IPSET_EXT_ID_COUNTER = 0, + IPSET_EXT_ID_TIMEOUT, + IPSET_EXT_ID_COMMENT, + IPSET_EXT_ID_MAX, +}; + +/* Extension type */ +struct ip_set_ext_type { + /* Destroy extension private data (can be NULL) */ + void (*destroy)(void *ext); + enum ip_set_extension type; + enum ipset_cadt_flags flag; + /* Size and minimal alignment */ + u8 len; + u8 align; +}; + +extern const struct ip_set_ext_type ip_set_extensions[]; struct ip_set_ext { - unsigned long timeout; u64 packets; u64 bytes; + u32 timeout; + char *comment; +}; + +struct ip_set_counter { + atomic64_t bytes; + atomic64_t packets; +}; + +struct ip_set_comment { + char *str; }; struct ip_set; +#define ext_timeout(e, s) \ +(unsigned long *)(((void *)(e)) + (s)->offset[IPSET_EXT_ID_TIMEOUT]) +#define ext_counter(e, s) \ +(struct ip_set_counter *)(((void *)(e)) + (s)->offset[IPSET_EXT_ID_COUNTER]) +#define ext_comment(e, s) \ +(struct ip_set_comment *)(((void *)(e)) + (s)->offset[IPSET_EXT_ID_COMMENT]) + + typedef int (*ipset_adtfn)(struct ip_set *set, void *value, const struct ip_set_ext *ext, struct ip_set_ext *mext, u32 cmdflags); @@ -147,7 +184,8 @@ struct ip_set_type { u8 revision_min, revision_max; /* Create set */ - int (*create)(struct ip_set *set, struct nlattr *tb[], u32 flags); + int (*create)(struct net *net, struct ip_set *set, + struct nlattr *tb[], u32 flags); /* Attribute policies */ const struct nla_policy create_policy[IPSET_ATTR_CREATE_MAX + 1]; @@ -179,14 +217,45 @@ struct ip_set { u8 revision; /* Extensions */ u8 extensions; + /* Default timeout value, if enabled */ + u32 timeout; + /* Element data size */ + size_t dsize; + /* Offsets to extensions in elements */ + size_t offset[IPSET_EXT_ID_MAX]; /* The type specific data */ void *data; }; -struct ip_set_counter { - atomic64_t bytes; - atomic64_t packets; -}; +static inline void +ip_set_ext_destroy(struct ip_set *set, void *data) +{ + /* Check that the extension is enabled for the set and + * call it's destroy function for its extension part in data. + */ + if (SET_WITH_COMMENT(set)) + ip_set_extensions[IPSET_EXT_ID_COMMENT].destroy( + ext_comment(data, set)); +} + +static inline int +ip_set_put_flags(struct sk_buff *skb, struct ip_set *set) +{ + u32 cadt_flags = 0; + + if (SET_WITH_TIMEOUT(set)) + if (unlikely(nla_put_net32(skb, IPSET_ATTR_TIMEOUT, + htonl(set->timeout)))) + return -EMSGSIZE; + if (SET_WITH_COUNTER(set)) + cadt_flags |= IPSET_FLAG_WITH_COUNTERS; + if (SET_WITH_COMMENT(set)) + cadt_flags |= IPSET_FLAG_WITH_COMMENT; + + if (!cadt_flags) + return 0; + return nla_put_net32(skb, IPSET_ATTR_CADT_FLAGS, htonl(cadt_flags)); +} static inline void ip_set_add_bytes(u64 bytes, struct ip_set_counter *counter) @@ -247,13 +316,24 @@ ip_set_init_counter(struct ip_set_counter *counter, atomic64_set(&(counter)->packets, (long long)(ext->packets)); } +/* Netlink CB args */ +enum { + IPSET_CB_NET = 0, + IPSET_CB_DUMP, + IPSET_CB_INDEX, + IPSET_CB_ARG0, + IPSET_CB_ARG1, + IPSET_CB_ARG2, +}; + /* register and unregister set references */ -extern ip_set_id_t ip_set_get_byname(const char *name, struct ip_set **set); -extern void ip_set_put_byindex(ip_set_id_t index); -extern const char *ip_set_name_byindex(ip_set_id_t index); -extern ip_set_id_t ip_set_nfnl_get(const char *name); -extern ip_set_id_t ip_set_nfnl_get_byindex(ip_set_id_t index); -extern void ip_set_nfnl_put(ip_set_id_t index); +extern ip_set_id_t ip_set_get_byname(struct net *net, + const char *name, struct ip_set **set); +extern void ip_set_put_byindex(struct net *net, ip_set_id_t index); +extern const char *ip_set_name_byindex(struct net *net, ip_set_id_t index); +extern ip_set_id_t ip_set_nfnl_get(struct net *net, const char *name); +extern ip_set_id_t ip_set_nfnl_get_byindex(struct net *net, ip_set_id_t index); +extern void ip_set_nfnl_put(struct net *net, ip_set_id_t index); /* API for iptables set match, and SET target */ @@ -272,6 +352,8 @@ extern void *ip_set_alloc(size_t size); extern void ip_set_free(void *members); extern int ip_set_get_ipaddr4(struct nlattr *nla, __be32 *ipaddr); extern int ip_set_get_ipaddr6(struct nlattr *nla, union nf_inet_addr *ipaddr); +extern size_t ip_set_elem_len(struct ip_set *set, struct nlattr *tb[], + size_t len); extern int ip_set_get_extensions(struct ip_set *set, struct nlattr *tb[], struct ip_set_ext *ext); @@ -389,13 +471,40 @@ bitmap_bytes(u32 a, u32 b) } #include <linux/netfilter/ipset/ip_set_timeout.h> +#include <linux/netfilter/ipset/ip_set_comment.h> + +static inline int +ip_set_put_extensions(struct sk_buff *skb, const struct ip_set *set, + const void *e, bool active) +{ + if (SET_WITH_TIMEOUT(set)) { + unsigned long *timeout = ext_timeout(e, set); + + if (nla_put_net32(skb, IPSET_ATTR_TIMEOUT, + htonl(active ? ip_set_timeout_get(timeout) + : *timeout))) + return -EMSGSIZE; + } + if (SET_WITH_COUNTER(set) && + ip_set_put_counter(skb, ext_counter(e, set))) + return -EMSGSIZE; + if (SET_WITH_COMMENT(set) && + ip_set_put_comment(skb, ext_comment(e, set))) + return -EMSGSIZE; + return 0; +} -#define IP_SET_INIT_KEXT(skb, opt, map) \ +#define IP_SET_INIT_KEXT(skb, opt, set) \ { .bytes = (skb)->len, .packets = 1, \ - .timeout = ip_set_adt_opt_timeout(opt, map) } + .timeout = ip_set_adt_opt_timeout(opt, set) } -#define IP_SET_INIT_UEXT(map) \ +#define IP_SET_INIT_UEXT(set) \ { .bytes = ULLONG_MAX, .packets = ULLONG_MAX, \ - .timeout = (map)->timeout } + .timeout = (set)->timeout } + +#define IP_SET_INIT_CIDR(a, b) ((a) ? (a) : (b)) + +#define IPSET_CONCAT(a, b) a##b +#define IPSET_TOKEN(a, b) IPSET_CONCAT(a, b) #endif /*_IP_SET_H */ diff --git a/include/linux/netfilter/ipset/ip_set_comment.h b/include/linux/netfilter/ipset/ip_set_comment.h new file mode 100644 index 000000000000..21217ea008d7 --- /dev/null +++ b/include/linux/netfilter/ipset/ip_set_comment.h @@ -0,0 +1,57 @@ +#ifndef _IP_SET_COMMENT_H +#define _IP_SET_COMMENT_H + +/* Copyright (C) 2013 Oliver Smith <oliver@8.c.9.b.0.7.4.0.1.0.0.2.ip6.arpa> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#ifdef __KERNEL__ + +static inline char* +ip_set_comment_uget(struct nlattr *tb) +{ + return nla_data(tb); +} + +static inline void +ip_set_init_comment(struct ip_set_comment *comment, + const struct ip_set_ext *ext) +{ + size_t len = ext->comment ? strlen(ext->comment) : 0; + + if (unlikely(comment->str)) { + kfree(comment->str); + comment->str = NULL; + } + if (!len) + return; + if (unlikely(len > IPSET_MAX_COMMENT_SIZE)) + len = IPSET_MAX_COMMENT_SIZE; + comment->str = kzalloc(len + 1, GFP_ATOMIC); + if (unlikely(!comment->str)) + return; + strlcpy(comment->str, ext->comment, len + 1); +} + +static inline int +ip_set_put_comment(struct sk_buff *skb, struct ip_set_comment *comment) +{ + if (!comment->str) + return 0; + return nla_put_string(skb, IPSET_ATTR_COMMENT, comment->str); +} + +static inline void +ip_set_comment_free(struct ip_set_comment *comment) +{ + if (unlikely(!comment->str)) + return; + kfree(comment->str); + comment->str = NULL; +} + +#endif +#endif diff --git a/include/linux/netfilter/ipset/ip_set_timeout.h b/include/linux/netfilter/ipset/ip_set_timeout.h index 3aac04167ca7..83c2f9e0886c 100644 --- a/include/linux/netfilter/ipset/ip_set_timeout.h +++ b/include/linux/netfilter/ipset/ip_set_timeout.h @@ -23,8 +23,8 @@ /* Set is defined with timeout support: timeout value may be 0 */ #define IPSET_NO_TIMEOUT UINT_MAX -#define ip_set_adt_opt_timeout(opt, map) \ -((opt)->ext.timeout != IPSET_NO_TIMEOUT ? (opt)->ext.timeout : (map)->timeout) +#define ip_set_adt_opt_timeout(opt, set) \ +((opt)->ext.timeout != IPSET_NO_TIMEOUT ? (opt)->ext.timeout : (set)->timeout) static inline unsigned int ip_set_timeout_uget(struct nlattr *tb) diff --git a/include/linux/netfilter/nf_conntrack_common.h b/include/linux/netfilter/nf_conntrack_common.h index 127d0b90604f..275505792664 100644 --- a/include/linux/netfilter/nf_conntrack_common.h +++ b/include/linux/netfilter/nf_conntrack_common.h @@ -23,6 +23,6 @@ struct ip_conntrack_stat { }; /* call to create an explicit dependency on nf_conntrack. */ -extern void need_conntrack(void); +void need_conntrack(void); #endif /* _NF_CONNTRACK_COMMON_H */ diff --git a/include/linux/netfilter/nf_conntrack_h323.h b/include/linux/netfilter/nf_conntrack_h323.h index f381020eee92..858d9b214053 100644 --- a/include/linux/netfilter/nf_conntrack_h323.h +++ b/include/linux/netfilter/nf_conntrack_h323.h @@ -29,13 +29,13 @@ struct nf_ct_h323_master { struct nf_conn; -extern int get_h225_addr(struct nf_conn *ct, unsigned char *data, - TransportAddress *taddr, - union nf_inet_addr *addr, __be16 *port); -extern void nf_conntrack_h245_expect(struct nf_conn *new, - struct nf_conntrack_expect *this); -extern void nf_conntrack_q931_expect(struct nf_conn *new, - struct nf_conntrack_expect *this); +int get_h225_addr(struct nf_conn *ct, unsigned char *data, + TransportAddress *taddr, union nf_inet_addr *addr, + __be16 *port); +void nf_conntrack_h245_expect(struct nf_conn *new, + struct nf_conntrack_expect *this); +void nf_conntrack_q931_expect(struct nf_conn *new, + struct nf_conntrack_expect *this); extern int (*set_h245_addr_hook) (struct sk_buff *skb, unsigned int protoff, unsigned char **data, int dataoff, H245_TransportAddress *taddr, diff --git a/include/linux/netfilter/nf_conntrack_proto_gre.h b/include/linux/netfilter/nf_conntrack_proto_gre.h index 6a0664c0c451..ec2ffaf418c8 100644 --- a/include/linux/netfilter/nf_conntrack_proto_gre.h +++ b/include/linux/netfilter/nf_conntrack_proto_gre.h @@ -87,8 +87,8 @@ int nf_ct_gre_keymap_add(struct nf_conn *ct, enum ip_conntrack_dir dir, /* delete keymap entries */ void nf_ct_gre_keymap_destroy(struct nf_conn *ct); -extern void nf_ct_gre_keymap_flush(struct net *net); -extern void nf_nat_need_gre(void); +void nf_ct_gre_keymap_flush(struct net *net); +void nf_nat_need_gre(void); #endif /* __KERNEL__ */ #endif /* _CONNTRACK_PROTO_GRE_H */ diff --git a/include/linux/netfilter/nf_conntrack_sip.h b/include/linux/netfilter/nf_conntrack_sip.h index ba7f571a2b1c..d5af3c27fb7d 100644 --- a/include/linux/netfilter/nf_conntrack_sip.h +++ b/include/linux/netfilter/nf_conntrack_sip.h @@ -107,85 +107,93 @@ enum sdp_header_types { SDP_HDR_MEDIA, }; -extern unsigned int (*nf_nat_sip_hook)(struct sk_buff *skb, - unsigned int protoff, - unsigned int dataoff, - const char **dptr, - unsigned int *datalen); -extern void (*nf_nat_sip_seq_adjust_hook)(struct sk_buff *skb, - unsigned int protoff, s16 off); -extern unsigned int (*nf_nat_sip_expect_hook)(struct sk_buff *skb, - unsigned int protoff, - unsigned int dataoff, - const char **dptr, - unsigned int *datalen, - struct nf_conntrack_expect *exp, - unsigned int matchoff, - unsigned int matchlen); -extern unsigned int (*nf_nat_sdp_addr_hook)(struct sk_buff *skb, - unsigned int protoff, - unsigned int dataoff, - const char **dptr, - unsigned int *datalen, - unsigned int sdpoff, - enum sdp_header_types type, - enum sdp_header_types term, - const union nf_inet_addr *addr); -extern unsigned int (*nf_nat_sdp_port_hook)(struct sk_buff *skb, - unsigned int protoff, - unsigned int dataoff, - const char **dptr, - unsigned int *datalen, - unsigned int matchoff, - unsigned int matchlen, - u_int16_t port); -extern unsigned int (*nf_nat_sdp_session_hook)(struct sk_buff *skb, - unsigned int protoff, - unsigned int dataoff, - const char **dptr, - unsigned int *datalen, - unsigned int sdpoff, - const union nf_inet_addr *addr); -extern unsigned int (*nf_nat_sdp_media_hook)(struct sk_buff *skb, - unsigned int protoff, - unsigned int dataoff, - const char **dptr, - unsigned int *datalen, - struct nf_conntrack_expect *rtp_exp, - struct nf_conntrack_expect *rtcp_exp, - unsigned int mediaoff, - unsigned int medialen, - union nf_inet_addr *rtp_addr); - -extern int ct_sip_parse_request(const struct nf_conn *ct, - const char *dptr, unsigned int datalen, - unsigned int *matchoff, unsigned int *matchlen, - union nf_inet_addr *addr, __be16 *port); -extern int ct_sip_get_header(const struct nf_conn *ct, const char *dptr, - unsigned int dataoff, unsigned int datalen, - enum sip_header_types type, - unsigned int *matchoff, unsigned int *matchlen); -extern int ct_sip_parse_header_uri(const struct nf_conn *ct, const char *dptr, - unsigned int *dataoff, unsigned int datalen, - enum sip_header_types type, int *in_header, - unsigned int *matchoff, unsigned int *matchlen, - union nf_inet_addr *addr, __be16 *port); -extern int ct_sip_parse_address_param(const struct nf_conn *ct, const char *dptr, - unsigned int dataoff, unsigned int datalen, - const char *name, - unsigned int *matchoff, unsigned int *matchlen, - union nf_inet_addr *addr, bool delim); -extern int ct_sip_parse_numerical_param(const struct nf_conn *ct, const char *dptr, - unsigned int off, unsigned int datalen, - const char *name, - unsigned int *matchoff, unsigned int *matchen, - unsigned int *val); - -extern int ct_sip_get_sdp_header(const struct nf_conn *ct, const char *dptr, - unsigned int dataoff, unsigned int datalen, +struct nf_nat_sip_hooks { + unsigned int (*msg)(struct sk_buff *skb, + unsigned int protoff, + unsigned int dataoff, + const char **dptr, + unsigned int *datalen); + + void (*seq_adjust)(struct sk_buff *skb, + unsigned int protoff, s16 off); + + unsigned int (*expect)(struct sk_buff *skb, + unsigned int protoff, + unsigned int dataoff, + const char **dptr, + unsigned int *datalen, + struct nf_conntrack_expect *exp, + unsigned int matchoff, + unsigned int matchlen); + + unsigned int (*sdp_addr)(struct sk_buff *skb, + unsigned int protoff, + unsigned int dataoff, + const char **dptr, + unsigned int *datalen, + unsigned int sdpoff, enum sdp_header_types type, enum sdp_header_types term, - unsigned int *matchoff, unsigned int *matchlen); + const union nf_inet_addr *addr); + + unsigned int (*sdp_port)(struct sk_buff *skb, + unsigned int protoff, + unsigned int dataoff, + const char **dptr, + unsigned int *datalen, + unsigned int matchoff, + unsigned int matchlen, + u_int16_t port); + + unsigned int (*sdp_session)(struct sk_buff *skb, + unsigned int protoff, + unsigned int dataoff, + const char **dptr, + unsigned int *datalen, + unsigned int sdpoff, + const union nf_inet_addr *addr); + + unsigned int (*sdp_media)(struct sk_buff *skb, + unsigned int protoff, + unsigned int dataoff, + const char **dptr, + unsigned int *datalen, + struct nf_conntrack_expect *rtp_exp, + struct nf_conntrack_expect *rtcp_exp, + unsigned int mediaoff, + unsigned int medialen, + union nf_inet_addr *rtp_addr); +}; +extern const struct nf_nat_sip_hooks *nf_nat_sip_hooks; + +int ct_sip_parse_request(const struct nf_conn *ct, const char *dptr, + unsigned int datalen, unsigned int *matchoff, + unsigned int *matchlen, union nf_inet_addr *addr, + __be16 *port); +int ct_sip_get_header(const struct nf_conn *ct, const char *dptr, + unsigned int dataoff, unsigned int datalen, + enum sip_header_types type, unsigned int *matchoff, + unsigned int *matchlen); +int ct_sip_parse_header_uri(const struct nf_conn *ct, const char *dptr, + unsigned int *dataoff, unsigned int datalen, + enum sip_header_types type, int *in_header, + unsigned int *matchoff, unsigned int *matchlen, + union nf_inet_addr *addr, __be16 *port); +int ct_sip_parse_address_param(const struct nf_conn *ct, const char *dptr, + unsigned int dataoff, unsigned int datalen, + const char *name, unsigned int *matchoff, + unsigned int *matchlen, union nf_inet_addr *addr, + bool delim); +int ct_sip_parse_numerical_param(const struct nf_conn *ct, const char *dptr, + unsigned int off, unsigned int datalen, + const char *name, unsigned int *matchoff, + unsigned int *matchen, unsigned int *val); + +int ct_sip_get_sdp_header(const struct nf_conn *ct, const char *dptr, + unsigned int dataoff, unsigned int datalen, + enum sdp_header_types type, + enum sdp_header_types term, + unsigned int *matchoff, unsigned int *matchlen); #endif /* __KERNEL__ */ #endif /* __NF_CONNTRACK_SIP_H__ */ diff --git a/include/linux/netfilter/nfnetlink.h b/include/linux/netfilter/nfnetlink.h index cadb7402d7a7..28c74367e900 100644 --- a/include/linux/netfilter/nfnetlink.h +++ b/include/linux/netfilter/nfnetlink.h @@ -14,6 +14,9 @@ struct nfnl_callback { int (*call_rcu)(struct sock *nl, struct sk_buff *skb, const struct nlmsghdr *nlh, const struct nlattr * const cda[]); + int (*call_batch)(struct sock *nl, struct sk_buff *skb, + const struct nlmsghdr *nlh, + const struct nlattr * const cda[]); const struct nla_policy *policy; /* netlink attribute policy */ const u_int16_t attr_count; /* number of nlattr's */ }; @@ -23,22 +26,24 @@ struct nfnetlink_subsystem { __u8 subsys_id; /* nfnetlink subsystem ID */ __u8 cb_count; /* number of callbacks */ const struct nfnl_callback *cb; /* callback for individual types */ + int (*commit)(struct sk_buff *skb); + int (*abort)(struct sk_buff *skb); }; -extern int nfnetlink_subsys_register(const struct nfnetlink_subsystem *n); -extern int nfnetlink_subsys_unregister(const struct nfnetlink_subsystem *n); +int nfnetlink_subsys_register(const struct nfnetlink_subsystem *n); +int nfnetlink_subsys_unregister(const struct nfnetlink_subsystem *n); -extern int nfnetlink_has_listeners(struct net *net, unsigned int group); -extern struct sk_buff *nfnetlink_alloc_skb(struct net *net, unsigned int size, - u32 dst_portid, gfp_t gfp_mask); -extern int nfnetlink_send(struct sk_buff *skb, struct net *net, u32 portid, - unsigned int group, int echo, gfp_t flags); -extern int nfnetlink_set_err(struct net *net, u32 portid, u32 group, int error); -extern int nfnetlink_unicast(struct sk_buff *skb, struct net *net, - u32 portid, int flags); +int nfnetlink_has_listeners(struct net *net, unsigned int group); +struct sk_buff *nfnetlink_alloc_skb(struct net *net, unsigned int size, + u32 dst_portid, gfp_t gfp_mask); +int nfnetlink_send(struct sk_buff *skb, struct net *net, u32 portid, + unsigned int group, int echo, gfp_t flags); +int nfnetlink_set_err(struct net *net, u32 portid, u32 group, int error); +int nfnetlink_unicast(struct sk_buff *skb, struct net *net, u32 portid, + int flags); -extern void nfnl_lock(__u8 subsys_id); -extern void nfnl_unlock(__u8 subsys_id); +void nfnl_lock(__u8 subsys_id); +void nfnl_unlock(__u8 subsys_id); #define MODULE_ALIAS_NFNL_SUBSYS(subsys) \ MODULE_ALIAS("nfnetlink-subsys-" __stringify(subsys)) diff --git a/include/linux/netfilter/nfnetlink_acct.h b/include/linux/netfilter/nfnetlink_acct.h index bb4bbc9b7a18..b2e85e59f760 100644 --- a/include/linux/netfilter/nfnetlink_acct.h +++ b/include/linux/netfilter/nfnetlink_acct.h @@ -6,8 +6,8 @@ struct nf_acct; -extern struct nf_acct *nfnl_acct_find_get(const char *filter_name); -extern void nfnl_acct_put(struct nf_acct *acct); -extern void nfnl_acct_update(const struct sk_buff *skb, struct nf_acct *nfacct); +struct nf_acct *nfnl_acct_find_get(const char *filter_name); +void nfnl_acct_put(struct nf_acct *acct); +void nfnl_acct_update(const struct sk_buff *skb, struct nf_acct *nfacct); #endif /* _NFNL_ACCT_H */ diff --git a/include/linux/netfilter/x_tables.h b/include/linux/netfilter/x_tables.h index dd49566315c6..a3e215bb0241 100644 --- a/include/linux/netfilter/x_tables.h +++ b/include/linux/netfilter/x_tables.h @@ -229,50 +229,48 @@ struct xt_table_info { #define XT_TABLE_INFO_SZ (offsetof(struct xt_table_info, entries) \ + nr_cpu_ids * sizeof(char *)) -extern int xt_register_target(struct xt_target *target); -extern void xt_unregister_target(struct xt_target *target); -extern int xt_register_targets(struct xt_target *target, unsigned int n); -extern void xt_unregister_targets(struct xt_target *target, unsigned int n); - -extern int xt_register_match(struct xt_match *target); -extern void xt_unregister_match(struct xt_match *target); -extern int xt_register_matches(struct xt_match *match, unsigned int n); -extern void xt_unregister_matches(struct xt_match *match, unsigned int n); - -extern int xt_check_match(struct xt_mtchk_param *, - unsigned int size, u_int8_t proto, bool inv_proto); -extern int xt_check_target(struct xt_tgchk_param *, - unsigned int size, u_int8_t proto, bool inv_proto); - -extern struct xt_table *xt_register_table(struct net *net, - const struct xt_table *table, - struct xt_table_info *bootstrap, - struct xt_table_info *newinfo); -extern void *xt_unregister_table(struct xt_table *table); - -extern struct xt_table_info *xt_replace_table(struct xt_table *table, - unsigned int num_counters, - struct xt_table_info *newinfo, - int *error); - -extern struct xt_match *xt_find_match(u8 af, const char *name, u8 revision); -extern struct xt_target *xt_find_target(u8 af, const char *name, u8 revision); -extern struct xt_match *xt_request_find_match(u8 af, const char *name, - u8 revision); -extern struct xt_target *xt_request_find_target(u8 af, const char *name, - u8 revision); -extern int xt_find_revision(u8 af, const char *name, u8 revision, - int target, int *err); - -extern struct xt_table *xt_find_table_lock(struct net *net, u_int8_t af, - const char *name); -extern void xt_table_unlock(struct xt_table *t); - -extern int xt_proto_init(struct net *net, u_int8_t af); -extern void xt_proto_fini(struct net *net, u_int8_t af); - -extern struct xt_table_info *xt_alloc_table_info(unsigned int size); -extern void xt_free_table_info(struct xt_table_info *info); +int xt_register_target(struct xt_target *target); +void xt_unregister_target(struct xt_target *target); +int xt_register_targets(struct xt_target *target, unsigned int n); +void xt_unregister_targets(struct xt_target *target, unsigned int n); + +int xt_register_match(struct xt_match *target); +void xt_unregister_match(struct xt_match *target); +int xt_register_matches(struct xt_match *match, unsigned int n); +void xt_unregister_matches(struct xt_match *match, unsigned int n); + +int xt_check_match(struct xt_mtchk_param *, unsigned int size, u_int8_t proto, + bool inv_proto); +int xt_check_target(struct xt_tgchk_param *, unsigned int size, u_int8_t proto, + bool inv_proto); + +struct xt_table *xt_register_table(struct net *net, + const struct xt_table *table, + struct xt_table_info *bootstrap, + struct xt_table_info *newinfo); +void *xt_unregister_table(struct xt_table *table); + +struct xt_table_info *xt_replace_table(struct xt_table *table, + unsigned int num_counters, + struct xt_table_info *newinfo, + int *error); + +struct xt_match *xt_find_match(u8 af, const char *name, u8 revision); +struct xt_target *xt_find_target(u8 af, const char *name, u8 revision); +struct xt_match *xt_request_find_match(u8 af, const char *name, u8 revision); +struct xt_target *xt_request_find_target(u8 af, const char *name, u8 revision); +int xt_find_revision(u8 af, const char *name, u8 revision, int target, + int *err); + +struct xt_table *xt_find_table_lock(struct net *net, u_int8_t af, + const char *name); +void xt_table_unlock(struct xt_table *t); + +int xt_proto_init(struct net *net, u_int8_t af); +void xt_proto_fini(struct net *net, u_int8_t af); + +struct xt_table_info *xt_alloc_table_info(unsigned int size); +void xt_free_table_info(struct xt_table_info *info); /** * xt_recseq - recursive seqcount for netfilter use @@ -353,8 +351,8 @@ static inline unsigned long ifname_compare_aligned(const char *_a, return ret; } -extern struct nf_hook_ops *xt_hook_link(const struct xt_table *, nf_hookfn *); -extern void xt_hook_unlink(const struct xt_table *, struct nf_hook_ops *); +struct nf_hook_ops *xt_hook_link(const struct xt_table *, nf_hookfn *); +void xt_hook_unlink(const struct xt_table *, struct nf_hook_ops *); #ifdef CONFIG_COMPAT #include <net/compat.h> @@ -414,25 +412,25 @@ struct _compat_xt_align { #define COMPAT_XT_ALIGN(s) __ALIGN_KERNEL((s), __alignof__(struct _compat_xt_align)) -extern void xt_compat_lock(u_int8_t af); -extern void xt_compat_unlock(u_int8_t af); - -extern int xt_compat_add_offset(u_int8_t af, unsigned int offset, int delta); -extern void xt_compat_flush_offsets(u_int8_t af); -extern void xt_compat_init_offsets(u_int8_t af, unsigned int number); -extern int xt_compat_calc_jump(u_int8_t af, unsigned int offset); - -extern int xt_compat_match_offset(const struct xt_match *match); -extern int xt_compat_match_from_user(struct xt_entry_match *m, - void **dstptr, unsigned int *size); -extern int xt_compat_match_to_user(const struct xt_entry_match *m, - void __user **dstptr, unsigned int *size); - -extern int xt_compat_target_offset(const struct xt_target *target); -extern void xt_compat_target_from_user(struct xt_entry_target *t, - void **dstptr, unsigned int *size); -extern int xt_compat_target_to_user(const struct xt_entry_target *t, - void __user **dstptr, unsigned int *size); +void xt_compat_lock(u_int8_t af); +void xt_compat_unlock(u_int8_t af); + +int xt_compat_add_offset(u_int8_t af, unsigned int offset, int delta); +void xt_compat_flush_offsets(u_int8_t af); +void xt_compat_init_offsets(u_int8_t af, unsigned int number); +int xt_compat_calc_jump(u_int8_t af, unsigned int offset); + +int xt_compat_match_offset(const struct xt_match *match); +int xt_compat_match_from_user(struct xt_entry_match *m, void **dstptr, + unsigned int *size); +int xt_compat_match_to_user(const struct xt_entry_match *m, + void __user **dstptr, unsigned int *size); + +int xt_compat_target_offset(const struct xt_target *target); +void xt_compat_target_from_user(struct xt_entry_target *t, void **dstptr, + unsigned int *size); +int xt_compat_target_to_user(const struct xt_entry_target *t, + void __user **dstptr, unsigned int *size); #endif /* CONFIG_COMPAT */ #endif /* _X_TABLES_H */ diff --git a/include/linux/netfilter_bridge.h b/include/linux/netfilter_bridge.h index dfb4d9e52bcb..8ab1c278b66d 100644 --- a/include/linux/netfilter_bridge.h +++ b/include/linux/netfilter_bridge.h @@ -25,7 +25,7 @@ enum nf_br_hook_priorities { #define BRNF_PPPoE 0x20 /* Only used in br_forward.c */ -extern int nf_bridge_copy_header(struct sk_buff *skb); +int nf_bridge_copy_header(struct sk_buff *skb); static inline int nf_bridge_maybe_copy_header(struct sk_buff *skb) { if (skb->nf_bridge && @@ -53,7 +53,7 @@ static inline unsigned int nf_bridge_mtu_reduction(const struct sk_buff *skb) return 0; } -extern int br_handle_frame_finish(struct sk_buff *skb); +int br_handle_frame_finish(struct sk_buff *skb); /* Only used in br_device.c */ static inline int br_nf_pre_routing_finish_bridge_slow(struct sk_buff *skb) { diff --git a/include/linux/netfilter_ipv4.h b/include/linux/netfilter_ipv4.h index dfaf116b3e81..6e4591bb54d4 100644 --- a/include/linux/netfilter_ipv4.h +++ b/include/linux/netfilter_ipv4.h @@ -6,7 +6,7 @@ #include <uapi/linux/netfilter_ipv4.h> -extern int ip_route_me_harder(struct sk_buff *skb, unsigned addr_type); -extern __sum16 nf_ip_checksum(struct sk_buff *skb, unsigned int hook, - unsigned int dataoff, u_int8_t protocol); +int ip_route_me_harder(struct sk_buff *skb, unsigned addr_type); +__sum16 nf_ip_checksum(struct sk_buff *skb, unsigned int hook, + unsigned int dataoff, u_int8_t protocol); #endif /*__LINUX_IP_NETFILTER_H*/ diff --git a/include/linux/netfilter_ipv6.h b/include/linux/netfilter_ipv6.h index 2d4df6ce043e..64dad1cc1a4b 100644 --- a/include/linux/netfilter_ipv6.h +++ b/include/linux/netfilter_ipv6.h @@ -11,12 +11,12 @@ #ifdef CONFIG_NETFILTER -extern int ip6_route_me_harder(struct sk_buff *skb); -extern __sum16 nf_ip6_checksum(struct sk_buff *skb, unsigned int hook, - unsigned int dataoff, u_int8_t protocol); +int ip6_route_me_harder(struct sk_buff *skb); +__sum16 nf_ip6_checksum(struct sk_buff *skb, unsigned int hook, + unsigned int dataoff, u_int8_t protocol); -extern int ipv6_netfilter_init(void); -extern void ipv6_netfilter_fini(void); +int ipv6_netfilter_init(void); +void ipv6_netfilter_fini(void); /* * Hook functions for ipv6 to allow xt_* modules to be built-in even diff --git a/include/linux/nfs4.h b/include/linux/nfs4.h index c6f41b616965..c1637062c1ce 100644 --- a/include/linux/nfs4.h +++ b/include/linux/nfs4.h @@ -118,6 +118,9 @@ Needs to be updated if more operations are defined in future.*/ #define FIRST_NFS4_OP OP_ACCESS #define LAST_NFS4_OP OP_RECLAIM_COMPLETE +#define LAST_NFS40_OP OP_RELEASE_LOCKOWNER +#define LAST_NFS41_OP OP_RECLAIM_COMPLETE +#define LAST_NFS42_OP OP_RECLAIM_COMPLETE enum nfsstat4 { NFS4_OK = 0, diff --git a/include/linux/of.h b/include/linux/of.h index f95aee391e30..276c546980d8 100644 --- a/include/linux/of.h +++ b/include/linux/of.h @@ -136,7 +136,9 @@ static inline unsigned long of_read_ulong(const __be32 *cell, int size) return of_read_number(cell, size); } +#if defined(CONFIG_SPARC) #include <asm/prom.h> +#endif /* Default #address and #size cells. Allow arch asm/prom.h to override */ #if !defined(OF_ROOT_NODE_ADDR_CELLS_DEFAULT) @@ -226,6 +228,19 @@ static inline int of_get_child_count(const struct device_node *np) return num; } +static inline int of_get_available_child_count(const struct device_node *np) +{ + struct device_node *child; + int num = 0; + + for_each_available_child_of_node(np, child) + num++; + + return num; +} + +/* cache lookup */ +extern struct device_node *of_find_next_cache_node(const struct device_node *); extern struct device_node *of_find_node_with_property( struct device_node *from, const char *prop_name); #define for_each_node_with_property(dn, prop_name) \ @@ -275,6 +290,7 @@ extern int of_n_size_cells(struct device_node *np); extern const struct of_device_id *of_match_node( const struct of_device_id *matches, const struct device_node *node); extern int of_modalias_node(struct device_node *node, char *modalias, int len); +extern void of_print_phandle_args(const char *msg, const struct of_phandle_args *args); extern struct device_node *of_parse_phandle(const struct device_node *np, const char *phandle_name, int index); @@ -364,6 +380,9 @@ static inline bool of_have_populated_dt(void) #define for_each_child_of_node(parent, child) \ while (0) +#define for_each_available_child_of_node(parent, child) \ + while (0) + static inline struct device_node *of_get_child_by_name( const struct device_node *node, const char *name) @@ -376,6 +395,11 @@ static inline int of_get_child_count(const struct device_node *np) return 0; } +static inline int of_get_available_child_count(const struct device_node *np) +{ + return 0; +} + static inline int of_device_is_compatible(const struct device_node *device, const char *name) { @@ -534,13 +558,10 @@ static inline const char *of_prop_next_string(struct property *prop, #define of_match_node(_matches, _node) NULL #endif /* CONFIG_OF */ -#ifndef of_node_to_nid -static inline int of_node_to_nid(struct device_node *np) -{ - return numa_node_id(); -} - -#define of_node_to_nid of_node_to_nid +#if defined(CONFIG_OF) && defined(CONFIG_NUMA) +extern int of_node_to_nid(struct device_node *np); +#else +static inline int of_node_to_nid(struct device_node *device) { return 0; } #endif /** diff --git a/include/linux/of_address.h b/include/linux/of_address.h index 4c2e6f26432c..5f6ed6b182b8 100644 --- a/include/linux/of_address.h +++ b/include/linux/of_address.h @@ -34,6 +34,10 @@ static inline void of_pci_range_to_resource(struct of_pci_range *range, res->name = np->full_name; } +/* Translate a DMA address from device space to CPU space */ +extern u64 of_translate_dma_address(struct device_node *dev, + const __be32 *in_addr); + #ifdef CONFIG_OF_ADDRESS extern u64 of_translate_address(struct device_node *np, const __be32 *addr); extern bool of_can_translate_address(struct device_node *dev); @@ -52,10 +56,7 @@ extern void __iomem *of_iomap(struct device_node *device, int index); extern const __be32 *of_get_address(struct device_node *dev, int index, u64 *size, unsigned int *flags); -#ifndef pci_address_to_pio -static inline unsigned long pci_address_to_pio(phys_addr_t addr) { return -1; } -#define pci_address_to_pio pci_address_to_pio -#endif +extern unsigned long pci_address_to_pio(phys_addr_t addr); extern int of_pci_range_parser_init(struct of_pci_range_parser *parser, struct device_node *node); @@ -63,13 +64,6 @@ extern struct of_pci_range *of_pci_range_parser_one( struct of_pci_range_parser *parser, struct of_pci_range *range); #else /* CONFIG_OF_ADDRESS */ -#ifndef of_address_to_resource -static inline int of_address_to_resource(struct device_node *dev, int index, - struct resource *r) -{ - return -EINVAL; -} -#endif static inline struct device_node *of_find_matching_node_by_address( struct device_node *from, const struct of_device_id *matches, @@ -77,12 +71,7 @@ static inline struct device_node *of_find_matching_node_by_address( { return NULL; } -#ifndef of_iomap -static inline void __iomem *of_iomap(struct device_node *device, int index) -{ - return NULL; -} -#endif + static inline const __be32 *of_get_address(struct device_node *dev, int index, u64 *size, unsigned int *flags) { @@ -103,6 +92,22 @@ static inline struct of_pci_range *of_pci_range_parser_one( } #endif /* CONFIG_OF_ADDRESS */ +#ifdef CONFIG_OF +extern int of_address_to_resource(struct device_node *dev, int index, + struct resource *r); +void __iomem *of_iomap(struct device_node *node, int index); +#else +static inline int of_address_to_resource(struct device_node *dev, int index, + struct resource *r) +{ + return -EINVAL; +} + +static inline void __iomem *of_iomap(struct device_node *device, int index) +{ + return NULL; +} +#endif #if defined(CONFIG_OF_ADDRESS) && defined(CONFIG_PCI) extern const __be32 *of_get_pci_address(struct device_node *dev, int bar_no, diff --git a/include/linux/of_fdt.h b/include/linux/of_fdt.h index a478c62a2aab..0beaee9dac1f 100644 --- a/include/linux/of_fdt.h +++ b/include/linux/of_fdt.h @@ -96,31 +96,30 @@ extern int of_scan_flat_dt_by_path(const char *path, extern int early_init_dt_scan_chosen(unsigned long node, const char *uname, int depth, void *data); -extern void early_init_dt_check_for_initrd(unsigned long node); extern int early_init_dt_scan_memory(unsigned long node, const char *uname, int depth, void *data); extern void early_init_dt_add_memory_arch(u64 base, u64 size); extern void * early_init_dt_alloc_memory_arch(u64 size, u64 align); extern u64 dt_mem_next_cell(int s, __be32 **cellp); -/* - * If BLK_DEV_INITRD, the fdt early init code will call this function, - * to be provided by the arch code. start and end are specified as - * physical addresses. - */ -#ifdef CONFIG_BLK_DEV_INITRD -extern void early_init_dt_setup_initrd_arch(u64 start, u64 end); -#endif - /* Early flat tree scan hooks */ extern int early_init_dt_scan_root(unsigned long node, const char *uname, int depth, void *data); +extern bool early_init_dt_scan(void *params); + +extern const char *of_flat_dt_get_machine_name(void); +extern const void *of_flat_dt_match_machine(const void *default_match, + const void * (*get_next_compat)(const char * const**)); + /* Other Prototypes */ extern void unflatten_device_tree(void); +extern void unflatten_and_copy_device_tree(void); extern void early_init_devtree(void *); #else /* CONFIG_OF_FLATTREE */ +static inline const char *of_flat_dt_get_machine_name(void) { return NULL; } static inline void unflatten_device_tree(void) {} +static inline void unflatten_and_copy_device_tree(void) {} #endif /* CONFIG_OF_FLATTREE */ #endif /* __ASSEMBLY__ */ diff --git a/include/linux/of_gpio.h b/include/linux/of_gpio.h index a83dc6f5008e..f14123a5a9df 100644 --- a/include/linux/of_gpio.h +++ b/include/linux/of_gpio.h @@ -19,6 +19,7 @@ #include <linux/errno.h> #include <linux/gpio.h> #include <linux/of.h> +#include <linux/gpio/consumer.h> struct device_node; @@ -47,7 +48,7 @@ static inline struct of_mm_gpio_chip *to_of_mm_gpio_chip(struct gpio_chip *gc) return container_of(gc, struct of_mm_gpio_chip, gc); } -extern int of_get_named_gpio_flags(struct device_node *np, +extern struct gpio_desc *of_get_named_gpiod_flags(struct device_node *np, const char *list_name, int index, enum of_gpio_flags *flags); extern int of_mm_gpiochip_add(struct device_node *np, @@ -62,10 +63,10 @@ extern int of_gpio_simple_xlate(struct gpio_chip *gc, #else /* CONFIG_OF_GPIO */ /* Drivers may not strictly depend on the GPIO support, so let them link. */ -static inline int of_get_named_gpio_flags(struct device_node *np, +static inline struct gpio_desc *of_get_named_gpiod_flags(struct device_node *np, const char *list_name, int index, enum of_gpio_flags *flags) { - return -ENOSYS; + return ERR_PTR(-ENOSYS); } static inline int of_gpio_simple_xlate(struct gpio_chip *gc, @@ -80,6 +81,18 @@ static inline void of_gpiochip_remove(struct gpio_chip *gc) { } #endif /* CONFIG_OF_GPIO */ +static inline int of_get_named_gpio_flags(struct device_node *np, + const char *list_name, int index, enum of_gpio_flags *flags) +{ + struct gpio_desc *desc; + desc = of_get_named_gpiod_flags(np, list_name, index, flags); + + if (IS_ERR(desc)) + return PTR_ERR(desc); + else + return desc_to_gpio(desc); +} + /** * of_gpio_named_count() - Count GPIOs for a device * @np: device node to count GPIOs for @@ -117,15 +130,21 @@ static inline int of_gpio_count(struct device_node *np) } /** - * of_get_gpio_flags() - Get a GPIO number and flags to use with GPIO API + * of_get_gpiod_flags() - Get a GPIO descriptor and flags to use with GPIO API * @np: device node to get GPIO from * @index: index of the GPIO * @flags: a flags pointer to fill in * - * Returns GPIO number to use with Linux generic GPIO API, or one of the errno + * Returns GPIO descriptor to use with Linux generic GPIO API, or a errno * value on the error condition. If @flags is not NULL the function also fills * in flags for the GPIO. */ +static inline struct gpio_desc *of_get_gpiod_flags(struct device_node *np, + int index, enum of_gpio_flags *flags) +{ + return of_get_named_gpiod_flags(np, "gpios", index, flags); +} + static inline int of_get_gpio_flags(struct device_node *np, int index, enum of_gpio_flags *flags) { diff --git a/include/linux/of_irq.h b/include/linux/of_irq.h index fcd63baee5f2..3f23b4472c31 100644 --- a/include/linux/of_irq.h +++ b/include/linux/of_irq.h @@ -8,22 +8,6 @@ #include <linux/ioport.h> #include <linux/of.h> -/** - * of_irq - container for device_node/irq_specifier pair for an irq controller - * @controller: pointer to interrupt controller device tree node - * @size: size of interrupt specifier - * @specifier: array of cells @size long specifing the specific interrupt - * - * This structure is returned when an interrupt is mapped. The controller - * field needs to be put() after use - */ -#define OF_MAX_IRQ_SPEC 4 /* We handle specifiers of at most 4 cells */ -struct of_irq { - struct device_node *controller; /* Interrupt controller node */ - u32 size; /* Specifier size */ - u32 specifier[OF_MAX_IRQ_SPEC]; /* Specifier copy */ -}; - typedef int (*of_irq_init_cb_t)(struct device_node *, struct device_node *); /* @@ -35,35 +19,38 @@ typedef int (*of_irq_init_cb_t)(struct device_node *, struct device_node *); #if defined(CONFIG_PPC32) && defined(CONFIG_PPC_PMAC) extern unsigned int of_irq_workarounds; extern struct device_node *of_irq_dflt_pic; -extern int of_irq_map_oldworld(struct device_node *device, int index, - struct of_irq *out_irq); +extern int of_irq_parse_oldworld(struct device_node *device, int index, + struct of_phandle_args *out_irq); #else /* CONFIG_PPC32 && CONFIG_PPC_PMAC */ #define of_irq_workarounds (0) #define of_irq_dflt_pic (NULL) -static inline int of_irq_map_oldworld(struct device_node *device, int index, - struct of_irq *out_irq) +static inline int of_irq_parse_oldworld(struct device_node *device, int index, + struct of_phandle_args *out_irq) { return -EINVAL; } #endif /* CONFIG_PPC32 && CONFIG_PPC_PMAC */ - -extern int of_irq_map_raw(struct device_node *parent, const __be32 *intspec, - u32 ointsize, const __be32 *addr, - struct of_irq *out_irq); -extern int of_irq_map_one(struct device_node *device, int index, - struct of_irq *out_irq); -extern unsigned int irq_create_of_mapping(struct device_node *controller, - const u32 *intspec, - unsigned int intsize); +extern int of_irq_parse_raw(const __be32 *addr, struct of_phandle_args *out_irq); +extern int of_irq_parse_one(struct device_node *device, int index, + struct of_phandle_args *out_irq); +extern unsigned int irq_create_of_mapping(struct of_phandle_args *irq_data); extern int of_irq_to_resource(struct device_node *dev, int index, struct resource *r); -extern int of_irq_count(struct device_node *dev); extern int of_irq_to_resource_table(struct device_node *dev, struct resource *res, int nr_irqs); extern void of_irq_init(const struct of_device_id *matches); +#ifdef CONFIG_OF_IRQ +extern int of_irq_count(struct device_node *dev); +#else +static inline int of_irq_count(struct device_node *dev) +{ + return 0; +} +#endif + #if defined(CONFIG_OF) /* * irq_of_parse_and_map() is used by all OF enabled platforms; but SPARC diff --git a/include/linux/of_mtd.h b/include/linux/of_mtd.h index ed7f267e6389..6f10e938ff7e 100644 --- a/include/linux/of_mtd.h +++ b/include/linux/of_mtd.h @@ -10,10 +10,29 @@ #define __LINUX_OF_NET_H #ifdef CONFIG_OF_MTD + #include <linux/of.h> int of_get_nand_ecc_mode(struct device_node *np); int of_get_nand_bus_width(struct device_node *np); bool of_get_nand_on_flash_bbt(struct device_node *np); -#endif + +#else /* CONFIG_OF_MTD */ + +static inline int of_get_nand_ecc_mode(struct device_node *np) +{ + return -ENOSYS; +} + +static inline int of_get_nand_bus_width(struct device_node *np) +{ + return -ENOSYS; +} + +static inline bool of_get_nand_on_flash_bbt(struct device_node *np) +{ + return false; +} + +#endif /* CONFIG_OF_MTD */ #endif /* __LINUX_OF_MTD_H */ diff --git a/include/linux/of_pci.h b/include/linux/of_pci.h index fd9c408631a0..1a1f5ffd5288 100644 --- a/include/linux/of_pci.h +++ b/include/linux/of_pci.h @@ -5,8 +5,9 @@ #include <linux/msi.h> struct pci_dev; -struct of_irq; -int of_irq_map_pci(const struct pci_dev *pdev, struct of_irq *out_irq); +struct of_phandle_args; +int of_irq_parse_pci(const struct pci_dev *pdev, struct of_phandle_args *out_irq); +int of_irq_parse_and_map_pci(const struct pci_dev *dev, u8 slot, u8 pin); struct device_node; struct device_node *of_pci_find_child_device(struct device_node *parent, diff --git a/include/linux/oom.h b/include/linux/oom.h index da60007075b5..4cd62677feb9 100644 --- a/include/linux/oom.h +++ b/include/linux/oom.h @@ -82,6 +82,11 @@ static inline void oom_killer_enable(void) oom_killer_disabled = false; } +static inline bool oom_gfp_allowed(gfp_t gfp_mask) +{ + return (gfp_mask & __GFP_FS) && !(gfp_mask & __GFP_NORETRY); +} + extern struct task_struct *find_lock_task_mm(struct task_struct *p); /* sysctls */ diff --git a/include/linux/opp.h b/include/linux/opp.h deleted file mode 100644 index 3aca2b8def33..000000000000 --- a/include/linux/opp.h +++ /dev/null @@ -1,134 +0,0 @@ -/* - * Generic OPP Interface - * - * Copyright (C) 2009-2010 Texas Instruments Incorporated. - * Nishanth Menon - * Romit Dasgupta - * Kevin Hilman - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#ifndef __LINUX_OPP_H__ -#define __LINUX_OPP_H__ - -#include <linux/err.h> -#include <linux/cpufreq.h> -#include <linux/notifier.h> - -struct opp; -struct device; - -enum opp_event { - OPP_EVENT_ADD, OPP_EVENT_ENABLE, OPP_EVENT_DISABLE, -}; - -#if defined(CONFIG_PM_OPP) - -unsigned long opp_get_voltage(struct opp *opp); - -unsigned long opp_get_freq(struct opp *opp); - -int opp_get_opp_count(struct device *dev); - -struct opp *opp_find_freq_exact(struct device *dev, unsigned long freq, - bool available); - -struct opp *opp_find_freq_floor(struct device *dev, unsigned long *freq); - -struct opp *opp_find_freq_ceil(struct device *dev, unsigned long *freq); - -int opp_add(struct device *dev, unsigned long freq, unsigned long u_volt); - -int opp_enable(struct device *dev, unsigned long freq); - -int opp_disable(struct device *dev, unsigned long freq); - -struct srcu_notifier_head *opp_get_notifier(struct device *dev); -#else -static inline unsigned long opp_get_voltage(struct opp *opp) -{ - return 0; -} - -static inline unsigned long opp_get_freq(struct opp *opp) -{ - return 0; -} - -static inline int opp_get_opp_count(struct device *dev) -{ - return 0; -} - -static inline struct opp *opp_find_freq_exact(struct device *dev, - unsigned long freq, bool available) -{ - return ERR_PTR(-EINVAL); -} - -static inline struct opp *opp_find_freq_floor(struct device *dev, - unsigned long *freq) -{ - return ERR_PTR(-EINVAL); -} - -static inline struct opp *opp_find_freq_ceil(struct device *dev, - unsigned long *freq) -{ - return ERR_PTR(-EINVAL); -} - -static inline int opp_add(struct device *dev, unsigned long freq, - unsigned long u_volt) -{ - return -EINVAL; -} - -static inline int opp_enable(struct device *dev, unsigned long freq) -{ - return 0; -} - -static inline int opp_disable(struct device *dev, unsigned long freq) -{ - return 0; -} - -static inline struct srcu_notifier_head *opp_get_notifier(struct device *dev) -{ - return ERR_PTR(-EINVAL); -} -#endif /* CONFIG_PM_OPP */ - -#if defined(CONFIG_PM_OPP) && defined(CONFIG_OF) -int of_init_opp_table(struct device *dev); -#else -static inline int of_init_opp_table(struct device *dev) -{ - return -EINVAL; -} -#endif - -#if defined(CONFIG_CPU_FREQ) && defined(CONFIG_PM_OPP) -int opp_init_cpufreq_table(struct device *dev, - struct cpufreq_frequency_table **table); -void opp_free_cpufreq_table(struct device *dev, - struct cpufreq_frequency_table **table); -#else -static inline int opp_init_cpufreq_table(struct device *dev, - struct cpufreq_frequency_table **table) -{ - return -EINVAL; -} - -static inline -void opp_free_cpufreq_table(struct device *dev, - struct cpufreq_frequency_table **table) -{ -} -#endif /* CONFIG_CPU_FREQ */ - -#endif /* __LINUX_OPP_H__ */ diff --git a/include/linux/page-flags.h b/include/linux/page-flags.h index 6d53675c2b54..98ada58f9942 100644 --- a/include/linux/page-flags.h +++ b/include/linux/page-flags.h @@ -329,7 +329,9 @@ static inline void set_page_writeback(struct page *page) * System with lots of page flags available. This allows separate * flags for PageHead() and PageTail() checks of compound pages so that bit * tests can be used in performance sensitive paths. PageCompound is - * generally not used in hot code paths. + * generally not used in hot code paths except arch/powerpc/mm/init_64.c + * and arch/powerpc/kvm/book3s_64_vio_hv.c which use it to detect huge pages + * and avoid handling those in real mode. */ __PAGEFLAG(Head, head) CLEARPAGEFLAG(Head, head) __PAGEFLAG(Tail, tail) diff --git a/include/linux/pci-acpi.h b/include/linux/pci-acpi.h index d006f0ca60f4..5a462c4e5009 100644 --- a/include/linux/pci-acpi.h +++ b/include/linux/pci-acpi.h @@ -27,7 +27,7 @@ static inline acpi_handle acpi_find_root_bridge_handle(struct pci_dev *pdev) while (!pci_is_root_bus(pbus)) pbus = pbus->parent; - return DEVICE_ACPI_HANDLE(pbus->bridge); + return ACPI_HANDLE(pbus->bridge); } static inline acpi_handle acpi_pci_get_bridge_handle(struct pci_bus *pbus) @@ -39,7 +39,7 @@ static inline acpi_handle acpi_pci_get_bridge_handle(struct pci_bus *pbus) else dev = &pbus->self->dev; - return DEVICE_ACPI_HANDLE(dev); + return ACPI_HANDLE(dev); } void acpi_pci_add_bus(struct pci_bus *bus); diff --git a/include/linux/pci.h b/include/linux/pci.h index da172f956ad6..1084a15175e0 100644 --- a/include/linux/pci.h +++ b/include/linux/pci.h @@ -32,7 +32,6 @@ #include <linux/irqreturn.h> #include <uapi/linux/pci.h> -/* Include the ID list */ #include <linux/pci_ids.h> /* @@ -42,9 +41,10 @@ * * 7:3 = slot * 2:0 = function - * PCI_DEVFN(), PCI_SLOT(), and PCI_FUNC() are defined uapi/linux/pci.h + * + * PCI_DEVFN(), PCI_SLOT(), and PCI_FUNC() are defined in uapi/linux/pci.h. * In the interest of not exposing interfaces to user-space unnecessarily, - * the following kernel only defines are being added here. + * the following kernel-only defines are being added here. */ #define PCI_DEVID(bus, devfn) ((((u16)bus) << 8) | devfn) /* return bus from PCI devid = ((u16)bus_number) << 8) | devfn */ @@ -153,10 +153,10 @@ enum pcie_reset_state { /* Reset is NOT asserted (Use to deassert reset) */ pcie_deassert_reset = (__force pcie_reset_state_t) 1, - /* Use #PERST to reset PCI-E device */ + /* Use #PERST to reset PCIe device */ pcie_warm_reset = (__force pcie_reset_state_t) 2, - /* Use PCI-E Hot Reset to reset device */ + /* Use PCIe Hot Reset to reset device */ pcie_hot_reset = (__force pcie_reset_state_t) 3 }; @@ -259,13 +259,13 @@ struct pci_dev { unsigned int class; /* 3 bytes: (base,sub,prog-if) */ u8 revision; /* PCI revision, low byte of class word */ u8 hdr_type; /* PCI header type (`multi' flag masked out) */ - u8 pcie_cap; /* PCI-E capability offset */ + u8 pcie_cap; /* PCIe capability offset */ u8 msi_cap; /* MSI capability offset */ u8 msix_cap; /* MSI-X capability offset */ - u8 pcie_mpss:3; /* PCI-E Max Payload Size Supported */ + u8 pcie_mpss:3; /* PCIe Max Payload Size Supported */ u8 rom_base_reg; /* which config register controls the ROM */ - u8 pin; /* which interrupt pin this device uses */ - u16 pcie_flags_reg; /* cached PCI-E Capabilities Register */ + u8 pin; /* which interrupt pin this device uses */ + u16 pcie_flags_reg; /* cached PCIe Capabilities Register */ struct pci_driver *driver; /* which driver has allocated this device */ u64 dma_mask; /* Mask of the bits of bus address this @@ -300,7 +300,7 @@ struct pci_dev { unsigned int d3cold_delay; /* D3cold->D0 transition time in ms */ #ifdef CONFIG_PCIEASPM - struct pcie_link_state *link_state; /* ASPM link state. */ + struct pcie_link_state *link_state; /* ASPM link state */ #endif pci_channel_state_t error_state; /* current connectivity state */ @@ -317,7 +317,7 @@ struct pci_dev { bool match_driver; /* Skip attaching driver */ /* These fields are used by common fixups */ - unsigned int transparent:1; /* Transparent PCI bridge */ + unsigned int transparent:1; /* Subtractive decode PCI bridge */ unsigned int multifunction:1;/* Part of multi-function device */ /* keep track of device state */ unsigned int is_added:1; @@ -326,12 +326,10 @@ struct pci_dev { unsigned int block_cfg_access:1; /* config space access is blocked */ unsigned int broken_parity_status:1; /* Device generates false positive parity */ unsigned int irq_reroute_variant:2; /* device needs IRQ rerouting variant */ - unsigned int msi_enabled:1; + unsigned int msi_enabled:1; unsigned int msix_enabled:1; unsigned int ari_enabled:1; /* ARI forwarding */ unsigned int is_managed:1; - unsigned int is_pcie:1; /* Obsolete. Will be removed. - Use pci_is_pcie() instead */ unsigned int needs_freset:1; /* Dev requires fundamental reset */ unsigned int state_saved:1; unsigned int is_physfn:1; @@ -373,7 +371,6 @@ static inline struct pci_dev *pci_physfn(struct pci_dev *dev) if (dev->is_virtfn) dev = dev->physfn; #endif - return dev; } @@ -458,7 +455,7 @@ struct pci_bus { char name[48]; unsigned short bridge_ctl; /* manage NO_ISA/FBB/et al behaviors */ - pci_bus_flags_t bus_flags; /* Inherited by child busses */ + pci_bus_flags_t bus_flags; /* inherited by child buses */ struct device *bridge; struct device dev; struct bin_attribute *legacy_io; /* legacy I/O for this bus */ @@ -470,14 +467,27 @@ struct pci_bus { #define to_pci_bus(n) container_of(n, struct pci_bus, dev) /* - * Returns true if the pci bus is root (behind host-pci bridge), + * Returns true if the PCI bus is root (behind host-PCI bridge), * false otherwise + * + * Some code assumes that "bus->self == NULL" means that bus is a root bus. + * This is incorrect because "virtual" buses added for SR-IOV (via + * virtfn_add_bus()) have "bus->self == NULL" but are not root buses. */ static inline bool pci_is_root_bus(struct pci_bus *pbus) { return !(pbus->parent); } +static inline struct pci_dev *pci_upstream_bridge(struct pci_dev *dev) +{ + dev = pci_physfn(dev); + if (pci_is_root_bus(dev->bus)) + return NULL; + + return dev->bus->self; +} + #ifdef CONFIG_PCI_MSI static inline bool pci_dev_msi_enabled(struct pci_dev *pci_dev) { @@ -499,7 +509,7 @@ static inline bool pci_dev_msi_enabled(struct pci_dev *pci_dev) { return false; #define PCIBIOS_BUFFER_TOO_SMALL 0x89 /* - * Translate above to generic errno for passing back through non-pci. + * Translate above to generic errno for passing back through non-PCI code. */ static inline int pcibios_err_to_errno(int err) { @@ -550,11 +560,12 @@ struct pci_dynids { struct list_head list; /* for IDs added at runtime */ }; -/* ---------------------------------------------------------------- */ -/** PCI Error Recovery System (PCI-ERS). If a PCI device driver provides - * a set of callbacks in struct pci_error_handlers, then that device driver - * will be notified of PCI bus errors, and will be driven to recovery - * when an error occurs. + +/* + * PCI Error Recovery System (PCI-ERS). If a PCI device driver provides + * a set of callbacks in struct pci_error_handlers, that device driver + * will be notified of PCI bus errors, and will be driven to recovery + * when an error occurs. */ typedef unsigned int __bitwise pci_ers_result_t; @@ -598,7 +609,6 @@ struct pci_error_handlers { void (*resume)(struct pci_dev *dev); }; -/* ---------------------------------------------------------------- */ struct module; struct pci_driver { @@ -702,10 +712,10 @@ extern enum pcie_bus_config_types pcie_bus_config; extern struct bus_type pci_bus_type; -/* Do NOT directly access these two variables, unless you are arch specific pci - * code, or pci core code. */ +/* Do NOT directly access these two variables, unless you are arch-specific PCI + * code, or PCI core code. */ extern struct list_head pci_root_buses; /* list of all known PCI buses */ -/* Some device drivers need know if pci is initiated */ +/* Some device drivers need know if PCI is initiated */ int no_pci_devices(void); void pcibios_resource_survey_bus(struct pci_bus *bus); @@ -713,7 +723,7 @@ void pcibios_add_bus(struct pci_bus *bus); void pcibios_remove_bus(struct pci_bus *bus); void pcibios_fixup_bus(struct pci_bus *); int __must_check pcibios_enable_device(struct pci_dev *, int mask); -/* Architecture specific versions may override this (weak) */ +/* Architecture-specific versions may override this (weak) */ char *pcibios_setup(char *str); /* Used only when drivers/pci/setup.c is used */ @@ -1247,7 +1257,7 @@ void pci_cfg_access_unlock(struct pci_dev *dev); /* * PCI domain support. Sometimes called PCI segment (eg by ACPI), - * a PCI domain is defined to be a set of PCI busses which share + * a PCI domain is defined to be a set of PCI buses which share * configuration space. */ #ifdef CONFIG_PCI_DOMAINS @@ -1661,7 +1671,7 @@ extern u8 pci_cache_line_size; extern unsigned long pci_hotplug_io_size; extern unsigned long pci_hotplug_mem_size; -/* Architecture specific versions may override these (weak) */ +/* Architecture-specific versions may override these (weak) */ int pcibios_add_platform_entries(struct pci_dev *dev); void pcibios_disable_device(struct pci_dev *dev); void pcibios_set_master(struct pci_dev *dev); @@ -1749,11 +1759,11 @@ static inline int pci_pcie_cap(struct pci_dev *dev) * pci_is_pcie - check if the PCI device is PCI Express capable * @dev: PCI device * - * Retrun true if the PCI device is PCI Express capable, false otherwise. + * Returns: true if the PCI device is PCI Express capable, false otherwise. */ static inline bool pci_is_pcie(struct pci_dev *dev) { - return !!pci_pcie_cap(dev); + return pci_pcie_cap(dev); } /** diff --git a/include/linux/pci_hotplug.h b/include/linux/pci_hotplug.h index 430dd963707b..a2e2f1d17e16 100644 --- a/include/linux/pci_hotplug.h +++ b/include/linux/pci_hotplug.h @@ -39,8 +39,8 @@ * @hardware_test: Called to run a specified hardware test on the specified * slot. * @get_power_status: Called to get the current power status of a slot. - * If this field is NULL, the value passed in the struct hotplug_slot_info - * will be used when this value is requested by a user. + * If this field is NULL, the value passed in the struct hotplug_slot_info + * will be used when this value is requested by a user. * @get_attention_status: Called to get the current attention status of a slot. * If this field is NULL, the value passed in the struct hotplug_slot_info * will be used when this value is requested by a user. @@ -191,4 +191,3 @@ static inline int pci_get_hp_params(struct pci_dev *dev, void pci_configure_slot(struct pci_dev *dev); #endif - diff --git a/include/linux/pcieport_if.h b/include/linux/pcieport_if.h index 9572669eea97..4f1089f2cc98 100644 --- a/include/linux/pcieport_if.h +++ b/include/linux/pcieport_if.h @@ -23,7 +23,7 @@ #define PCIE_PORT_SERVICE_VC (1 << PCIE_PORT_SERVICE_VC_SHIFT) struct pcie_device { - int irq; /* Service IRQ/MSI/MSI-X Vector */ + int irq; /* Service IRQ/MSI/MSI-X Vector */ struct pci_dev *port; /* Root/Upstream/Downstream Port */ u32 service; /* Port service this device represents */ void *priv_data; /* Service Private Data */ diff --git a/include/linux/percpu.h b/include/linux/percpu.h index c74088ab103b..9e4761caa80c 100644 --- a/include/linux/percpu.h +++ b/include/linux/percpu.h @@ -375,22 +375,6 @@ do { \ # define this_cpu_or(pcp, val) __pcpu_size_call(this_cpu_or_, (pcp), (val)) #endif -#ifndef this_cpu_xor -# ifndef this_cpu_xor_1 -# define this_cpu_xor_1(pcp, val) _this_cpu_generic_to_op((pcp), (val), ^=) -# endif -# ifndef this_cpu_xor_2 -# define this_cpu_xor_2(pcp, val) _this_cpu_generic_to_op((pcp), (val), ^=) -# endif -# ifndef this_cpu_xor_4 -# define this_cpu_xor_4(pcp, val) _this_cpu_generic_to_op((pcp), (val), ^=) -# endif -# ifndef this_cpu_xor_8 -# define this_cpu_xor_8(pcp, val) _this_cpu_generic_to_op((pcp), (val), ^=) -# endif -# define this_cpu_xor(pcp, val) __pcpu_size_call(this_cpu_or_, (pcp), (val)) -#endif - #define _this_cpu_generic_add_return(pcp, val) \ ({ \ typeof(pcp) ret__; \ @@ -629,22 +613,6 @@ do { \ # define __this_cpu_or(pcp, val) __pcpu_size_call(__this_cpu_or_, (pcp), (val)) #endif -#ifndef __this_cpu_xor -# ifndef __this_cpu_xor_1 -# define __this_cpu_xor_1(pcp, val) __this_cpu_generic_to_op((pcp), (val), ^=) -# endif -# ifndef __this_cpu_xor_2 -# define __this_cpu_xor_2(pcp, val) __this_cpu_generic_to_op((pcp), (val), ^=) -# endif -# ifndef __this_cpu_xor_4 -# define __this_cpu_xor_4(pcp, val) __this_cpu_generic_to_op((pcp), (val), ^=) -# endif -# ifndef __this_cpu_xor_8 -# define __this_cpu_xor_8(pcp, val) __this_cpu_generic_to_op((pcp), (val), ^=) -# endif -# define __this_cpu_xor(pcp, val) __pcpu_size_call(__this_cpu_xor_, (pcp), (val)) -#endif - #define __this_cpu_generic_add_return(pcp, val) \ ({ \ __this_cpu_add(pcp, val); \ diff --git a/include/linux/percpu_ida.h b/include/linux/percpu_ida.h index 0b23edbee309..1900bd0fa639 100644 --- a/include/linux/percpu_ida.h +++ b/include/linux/percpu_ida.h @@ -16,6 +16,8 @@ struct percpu_ida { * percpu_ida_init() */ unsigned nr_tags; + unsigned percpu_max_size; + unsigned percpu_batch_size; struct percpu_ida_cpu __percpu *tag_cpu; @@ -51,10 +53,29 @@ struct percpu_ida { } ____cacheline_aligned_in_smp; }; +/* + * Number of tags we move between the percpu freelist and the global freelist at + * a time + */ +#define IDA_DEFAULT_PCPU_BATCH_MOVE 32U +/* Max size of percpu freelist, */ +#define IDA_DEFAULT_PCPU_SIZE ((IDA_DEFAULT_PCPU_BATCH_MOVE * 3) / 2) + int percpu_ida_alloc(struct percpu_ida *pool, gfp_t gfp); void percpu_ida_free(struct percpu_ida *pool, unsigned tag); void percpu_ida_destroy(struct percpu_ida *pool); -int percpu_ida_init(struct percpu_ida *pool, unsigned long nr_tags); +int __percpu_ida_init(struct percpu_ida *pool, unsigned long nr_tags, + unsigned long max_size, unsigned long batch_size); +static inline int percpu_ida_init(struct percpu_ida *pool, unsigned long nr_tags) +{ + return __percpu_ida_init(pool, nr_tags, IDA_DEFAULT_PCPU_SIZE, + IDA_DEFAULT_PCPU_BATCH_MOVE); +} + +typedef int (*percpu_ida_cb)(unsigned, void *); +int percpu_ida_for_each_free(struct percpu_ida *pool, percpu_ida_cb fn, + void *data); +unsigned percpu_ida_free_tags(struct percpu_ida *pool, int cpu); #endif /* __PERCPU_IDA_H__ */ diff --git a/include/linux/phy.h b/include/linux/phy.h index 64ab823f7b74..48a4dc3cb8cf 100644 --- a/include/linux/phy.h +++ b/include/linux/phy.h @@ -559,6 +559,7 @@ static inline int phy_read_status(struct phy_device *phydev) { return phydev->drv->read_status(phydev); } +int genphy_setup_forced(struct phy_device *phydev); int genphy_restart_aneg(struct phy_device *phydev); int genphy_config_aneg(struct phy_device *phydev); int genphy_update_link(struct phy_device *phydev); diff --git a/include/linux/pid_namespace.h b/include/linux/pid_namespace.h index e2772666f004..7246ef3d4455 100644 --- a/include/linux/pid_namespace.h +++ b/include/linux/pid_namespace.h @@ -23,6 +23,7 @@ struct bsd_acct_struct; struct pid_namespace { struct kref kref; struct pidmap pidmap[PIDMAP_ENTRIES]; + struct rcu_head rcu; int last_pid; unsigned int nr_hashed; struct task_struct *child_reaper; diff --git a/include/linux/pinctrl/pinctrl.h b/include/linux/pinctrl/pinctrl.h index 5979147d2bda..fefb88663975 100644 --- a/include/linux/pinctrl/pinctrl.h +++ b/include/linux/pinctrl/pinctrl.h @@ -144,6 +144,9 @@ extern struct pinctrl_dev *pinctrl_find_and_add_gpio_range(const char *devname, extern struct pinctrl_gpio_range * pinctrl_find_gpio_range_from_pin(struct pinctrl_dev *pctldev, unsigned int pin); +extern int pinctrl_get_group_pins(struct pinctrl_dev *pctldev, + const char *pin_group, const unsigned **pins, + unsigned *num_pins); #ifdef CONFIG_OF extern struct pinctrl_dev *of_pinctrl_get(struct device_node *np); diff --git a/include/linux/i2c/at24.h b/include/linux/platform_data/at24.h index 285025a9cdc9..c42aa89d34ee 100644 --- a/include/linux/i2c/at24.h +++ b/include/linux/platform_data/at24.h @@ -28,7 +28,7 @@ * * void get_mac_addr(struct memory_accessor *mem_acc, void *context) * { - * u8 *mac_addr = ethernet_pdata->mac_addr; + * u8 *mac_addr = ethernet_pdata->mac_addr; * off_t offset = context; * * // Read MAC addr from EEPROM diff --git a/include/linux/platform_data/davinci_asp.h b/include/linux/platform_data/davinci_asp.h index 8db5ae03b6e3..689a856b86f9 100644 --- a/include/linux/platform_data/davinci_asp.h +++ b/include/linux/platform_data/davinci_asp.h @@ -84,6 +84,8 @@ struct snd_platform_data { u8 version; u8 txnumevt; u8 rxnumevt; + int tx_dma_channel; + int rx_dma_channel; }; enum { diff --git a/include/linux/platform_data/edma.h b/include/linux/platform_data/edma.h index 179fb91bb5f2..f50821cb64be 100644 --- a/include/linux/platform_data/edma.h +++ b/include/linux/platform_data/edma.h @@ -67,10 +67,10 @@ struct edmacc_param { #define ITCCHEN BIT(23) /*ch_status paramater of callback function possible values*/ -#define DMA_COMPLETE 1 -#define DMA_CC_ERROR 2 -#define DMA_TC1_ERROR 3 -#define DMA_TC2_ERROR 4 +#define EDMA_DMA_COMPLETE 1 +#define EDMA_DMA_CC_ERROR 2 +#define EDMA_DMA_TC1_ERROR 3 +#define EDMA_DMA_TC2_ERROR 4 enum address_mode { INCR = 0, diff --git a/include/linux/platform_data/leds-lp55xx.h b/include/linux/platform_data/leds-lp55xx.h index 51a2ff579d60..624ff9edad6f 100644 --- a/include/linux/platform_data/leds-lp55xx.h +++ b/include/linux/platform_data/leds-lp55xx.h @@ -22,6 +22,7 @@ struct lp55xx_led_config { const char *name; + const char *default_trigger; u8 chan_nr; u8 led_current; /* mA x10, 0 if led is not connected */ u8 max_current; @@ -66,10 +67,8 @@ struct lp55xx_platform_data { /* Clock configuration */ u8 clock_mode; - /* Platform specific functions */ - int (*setup_resources)(void); - void (*release_resources)(void); - void (*enable)(bool state); + /* optional enable GPIO */ + int enable_gpio; /* Predefined pattern data */ struct lp55xx_predef_pattern *patterns; diff --git a/include/linux/platform_data/leds-pca9685.h b/include/linux/platform_data/leds-pca9685.h new file mode 100644 index 000000000000..778e9e4249cc --- /dev/null +++ b/include/linux/platform_data/leds-pca9685.h @@ -0,0 +1,35 @@ +/* + * Copyright 2013 Maximilian Güntner <maximilian.guentner@gmail.com> + * + * This file is subject to the terms and conditions of version 2 of + * the GNU General Public License. See the file COPYING in the main + * directory of this archive for more details. + * + * Based on leds-pca963x.h by Peter Meerwald <p.meerwald@bct-electronic.com> + * + * LED driver for the NXP PCA9685 PWM chip + * + */ + +#ifndef __LINUX_PCA9685_H +#define __LINUX_PCA9685_H + +#include <linux/leds.h> + +enum pca9685_outdrv { + PCA9685_OPEN_DRAIN, + PCA9685_TOTEM_POLE, +}; + +enum pca9685_inverted { + PCA9685_NOT_INVERTED, + PCA9685_INVERTED, +}; + +struct pca9685_platform_data { + struct led_platform_data leds; + enum pca9685_outdrv outdrv; + enum pca9685_inverted inverted; +}; + +#endif /* __LINUX_PCA9685_H */ diff --git a/include/linux/platform_data/lm3630_bl.h b/include/linux/platform_data/lm3630_bl.h deleted file mode 100644 index 9176dd3f2d63..000000000000 --- a/include/linux/platform_data/lm3630_bl.h +++ /dev/null @@ -1,57 +0,0 @@ -/* -* Simple driver for Texas Instruments LM3630 LED Flash driver chip -* Copyright (C) 2012 Texas Instruments -* -* This program is free software; you can redistribute it and/or modify -* it under the terms of the GNU General Public License version 2 as -* published by the Free Software Foundation. -* -*/ - -#ifndef __LINUX_LM3630_H -#define __LINUX_LM3630_H - -#define LM3630_NAME "lm3630_bl" - -enum lm3630_pwm_ctrl { - PWM_CTRL_DISABLE = 0, - PWM_CTRL_BANK_A, - PWM_CTRL_BANK_B, - PWM_CTRL_BANK_ALL, -}; - -enum lm3630_pwm_active { - PWM_ACTIVE_HIGH = 0, - PWM_ACTIVE_LOW, -}; - -enum lm3630_bank_a_ctrl { - BANK_A_CTRL_DISABLE = 0x0, - BANK_A_CTRL_LED1 = 0x4, - BANK_A_CTRL_LED2 = 0x1, - BANK_A_CTRL_ALL = 0x5, -}; - -enum lm3630_bank_b_ctrl { - BANK_B_CTRL_DISABLE = 0, - BANK_B_CTRL_LED2, -}; - -struct lm3630_platform_data { - - /* maximum brightness */ - int max_brt_led1; - int max_brt_led2; - - /* initial on brightness */ - int init_brt_led1; - int init_brt_led2; - enum lm3630_pwm_ctrl pwm_ctrl; - enum lm3630_pwm_active pwm_active; - enum lm3630_bank_a_ctrl bank_a_ctrl; - enum lm3630_bank_b_ctrl bank_b_ctrl; - unsigned int pwm_period; - void (*pwm_set_intensity) (int brightness, int max_brightness); -}; - -#endif /* __LINUX_LM3630_H */ diff --git a/include/linux/platform_data/lm3630a_bl.h b/include/linux/platform_data/lm3630a_bl.h new file mode 100644 index 000000000000..7538e38e270b --- /dev/null +++ b/include/linux/platform_data/lm3630a_bl.h @@ -0,0 +1,65 @@ +/* +* Simple driver for Texas Instruments LM3630A LED Flash driver chip +* Copyright (C) 2012 Texas Instruments +* +* This program is free software; you can redistribute it and/or modify +* it under the terms of the GNU General Public License version 2 as +* published by the Free Software Foundation. +* +*/ + +#ifndef __LINUX_LM3630A_H +#define __LINUX_LM3630A_H + +#define LM3630A_NAME "lm3630a_bl" + +enum lm3630a_pwm_ctrl { + LM3630A_PWM_DISABLE = 0x00, + LM3630A_PWM_BANK_A, + LM3630A_PWM_BANK_B, + LM3630A_PWM_BANK_ALL, + LM3630A_PWM_BANK_A_ACT_LOW = 0x05, + LM3630A_PWM_BANK_B_ACT_LOW, + LM3630A_PWM_BANK_ALL_ACT_LOW, +}; + +enum lm3630a_leda_ctrl { + LM3630A_LEDA_DISABLE = 0x00, + LM3630A_LEDA_ENABLE = 0x04, + LM3630A_LEDA_ENABLE_LINEAR = 0x14, +}; + +enum lm3630a_ledb_ctrl { + LM3630A_LEDB_DISABLE = 0x00, + LM3630A_LEDB_ON_A = 0x01, + LM3630A_LEDB_ENABLE = 0x02, + LM3630A_LEDB_ENABLE_LINEAR = 0x0A, +}; + +#define LM3630A_MAX_BRIGHTNESS 255 +/* + *@leda_init_brt : led a init brightness. 4~255 + *@leda_max_brt : led a max brightness. 4~255 + *@leda_ctrl : led a disable, enable linear, enable exponential + *@ledb_init_brt : led b init brightness. 4~255 + *@ledb_max_brt : led b max brightness. 4~255 + *@ledb_ctrl : led b disable, enable linear, enable exponential + *@pwm_period : pwm period + *@pwm_ctrl : pwm disable, bank a or b, active high or low + */ +struct lm3630a_platform_data { + + /* led a config. */ + int leda_init_brt; + int leda_max_brt; + enum lm3630a_leda_ctrl leda_ctrl; + /* led b config. */ + int ledb_init_brt; + int ledb_max_brt; + enum lm3630a_ledb_ctrl ledb_ctrl; + /* pwm config. */ + unsigned int pwm_period; + enum lm3630a_pwm_ctrl pwm_ctrl; +}; + +#endif /* __LINUX_LM3630A_H */ diff --git a/include/linux/platform_data/lp855x.h b/include/linux/platform_data/lp855x.h index ea3200527dd3..1b2ba24e4e03 100644 --- a/include/linux/platform_data/lp855x.h +++ b/include/linux/platform_data/lp855x.h @@ -40,6 +40,17 @@ #define LP8553_PWM_CONFIG LP8550_PWM_CONFIG #define LP8553_I2C_CONFIG LP8550_I2C_CONFIG +/* CONFIG register - LP8555 */ +#define LP8555_PWM_STANDBY BIT(7) +#define LP8555_PWM_FILTER BIT(6) +#define LP8555_RELOAD_EPROM BIT(3) /* use it if EPROMs should be reset + when the backlight turns on */ +#define LP8555_OFF_OPENLEDS BIT(2) +#define LP8555_PWM_CONFIG LP8555_PWM_ONLY +#define LP8555_I2C_CONFIG LP8555_I2C_ONLY +#define LP8555_COMB1_CONFIG LP8555_COMBINED1 +#define LP8555_COMB2_CONFIG LP8555_COMBINED2 + /* DEVICE CONTROL register - LP8556 */ #define LP8556_PWM_CONFIG (LP8556_PWM_ONLY << BRT_MODE_SHFT) #define LP8556_COMB1_CONFIG (LP8556_COMBINED1 << BRT_MODE_SHFT) @@ -65,6 +76,7 @@ enum lp855x_chip_id { LP8551, LP8552, LP8553, + LP8555, LP8556, LP8557, }; @@ -89,6 +101,13 @@ enum lp8553_brighntess_source { LP8553_I2C_ONLY = LP8550_I2C_ONLY, }; +enum lp8555_brightness_source { + LP8555_PWM_ONLY, + LP8555_I2C_ONLY, + LP8555_COMBINED1, /* Brightness register with shaped PWM */ + LP8555_COMBINED2, /* PWM with shaped brightness register */ +}; + enum lp8556_brightness_source { LP8556_PWM_ONLY, LP8556_COMBINED1, /* pwm + i2c before the shaper block */ diff --git a/include/linux/platform_data/mmc-esdhc-imx.h b/include/linux/platform_data/mmc-esdhc-imx.h index d44912d81578..75f70f6ac137 100644 --- a/include/linux/platform_data/mmc-esdhc-imx.h +++ b/include/linux/platform_data/mmc-esdhc-imx.h @@ -10,6 +10,8 @@ #ifndef __ASM_ARCH_IMX_ESDHC_H #define __ASM_ARCH_IMX_ESDHC_H +#include <linux/types.h> + enum wp_types { ESDHC_WP_NONE, /* no WP, neither controller nor gpio */ ESDHC_WP_CONTROLLER, /* mmc controller internal WP */ @@ -32,6 +34,7 @@ enum cd_types { * @cd_gpio: gpio for card_detect interrupt * @wp_type: type of write_protect method (see wp_types enum above) * @cd_type: type of card_detect method (see cd_types enum above) + * @support_vsel: indicate it supports 1.8v switching */ struct esdhc_platform_data { @@ -41,5 +44,7 @@ struct esdhc_platform_data { enum cd_types cd_type; int max_bus_width; unsigned int f_max; + bool support_vsel; + unsigned int delay_line; }; #endif /* __ASM_ARCH_IMX_ESDHC_H */ diff --git a/include/linux/platform_data/mtd-nand-omap2.h b/include/linux/platform_data/mtd-nand-omap2.h index 6bf9ef43ddb1..4da5bfa2147f 100644 --- a/include/linux/platform_data/mtd-nand-omap2.h +++ b/include/linux/platform_data/mtd-nand-omap2.h @@ -23,13 +23,16 @@ enum nand_io { }; enum omap_ecc { - /* 1-bit ecc: stored at end of spare area */ - OMAP_ECC_HAMMING_CODE_DEFAULT = 0, /* Default, s/w method */ - OMAP_ECC_HAMMING_CODE_HW, /* gpmc to detect the error */ - /* 1-bit ecc: stored at beginning of spare area as romcode */ - OMAP_ECC_HAMMING_CODE_HW_ROMCODE, /* gpmc method & romcode layout */ - OMAP_ECC_BCH4_CODE_HW, /* 4-bit BCH ecc code */ - OMAP_ECC_BCH8_CODE_HW, /* 8-bit BCH ecc code */ + /* 1-bit ECC calculation by GPMC, Error detection by Software */ + OMAP_ECC_HAM1_CODE_HW = 0, + /* 4-bit ECC calculation by GPMC, Error detection by Software */ + OMAP_ECC_BCH4_CODE_HW_DETECTION_SW, + /* 4-bit ECC calculation by GPMC, Error detection by ELM */ + OMAP_ECC_BCH4_CODE_HW, + /* 8-bit ECC calculation by GPMC, Error detection by Software */ + OMAP_ECC_BCH8_CODE_HW_DETECTION_SW, + /* 8-bit ECC calculation by GPMC, Error detection by ELM */ + OMAP_ECC_BCH8_CODE_HW, }; struct gpmc_nand_regs { @@ -63,5 +66,6 @@ struct omap_nand_platform_data { /* for passing the partitions */ struct device_node *of_node; + struct device_node *elm_of_node; }; #endif diff --git a/include/linux/platform_data/pinctrl-adi2.h b/include/linux/platform_data/pinctrl-adi2.h new file mode 100644 index 000000000000..8f91300617ec --- /dev/null +++ b/include/linux/platform_data/pinctrl-adi2.h @@ -0,0 +1,40 @@ +/* + * Pinctrl Driver for ADI GPIO2 controller + * + * Copyright 2007-2013 Analog Devices Inc. + * + * Licensed under the GPLv2 or later + */ + + +#ifndef PINCTRL_ADI2_H +#define PINCTRL_ADI2_H + +#include <linux/io.h> +#include <linux/platform_device.h> + +/** + * struct adi_pinctrl_gpio_platform_data - Pinctrl gpio platform data + * for ADI GPIO2 device. + * + * @port_gpio_base: Optional global GPIO index of the GPIO bank. + * 0 means driver decides. + * @port_pin_base: Pin index of the pin controller device. + * @port_width: PIN number of the GPIO bank device + * @pint_id: GPIO PINT device id that this GPIO bank should map to. + * @pint_assign: The 32-bit GPIO PINT registers can be divided into 2 parts. A + * GPIO bank can be mapped into either low 16 bits[0] or high 16 + * bits[1] of each PINT register. + * @pint_map: GIOP bank mapping code in PINT device + */ +struct adi_pinctrl_gpio_platform_data { + unsigned int port_gpio_base; + unsigned int port_pin_base; + unsigned int port_width; + u8 pinctrl_id; + u8 pint_id; + bool pint_assign; + u8 pint_map; +}; + +#endif diff --git a/include/linux/platform_data/zforce_ts.h b/include/linux/platform_data/zforce_ts.h new file mode 100644 index 000000000000..0472ab2f6ede --- /dev/null +++ b/include/linux/platform_data/zforce_ts.h @@ -0,0 +1,26 @@ +/* drivers/input/touchscreen/zforce.c + * + * Copyright (C) 2012-2013 MundoReader S.L. + * + * This software is licensed under the terms of the GNU General Public + * License version 2, as published by the Free Software Foundation, and + * may be copied, distributed, and modified under those terms. + * + * 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. + */ + +#ifndef _LINUX_INPUT_ZFORCE_TS_H +#define _LINUX_INPUT_ZFORCE_TS_H + +struct zforce_ts_platdata { + int gpio_int; + int gpio_rst; + + unsigned int x_max; + unsigned int y_max; +}; + +#endif /* _LINUX_INPUT_ZFORCE_TS_H */ diff --git a/include/linux/pm_opp.h b/include/linux/pm_opp.h new file mode 100644 index 000000000000..5151b0059585 --- /dev/null +++ b/include/linux/pm_opp.h @@ -0,0 +1,139 @@ +/* + * Generic OPP Interface + * + * Copyright (C) 2009-2010 Texas Instruments Incorporated. + * Nishanth Menon + * Romit Dasgupta + * Kevin Hilman + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#ifndef __LINUX_OPP_H__ +#define __LINUX_OPP_H__ + +#include <linux/err.h> +#include <linux/cpufreq.h> +#include <linux/notifier.h> + +struct dev_pm_opp; +struct device; + +enum dev_pm_opp_event { + OPP_EVENT_ADD, OPP_EVENT_ENABLE, OPP_EVENT_DISABLE, +}; + +#if defined(CONFIG_PM_OPP) + +unsigned long dev_pm_opp_get_voltage(struct dev_pm_opp *opp); + +unsigned long dev_pm_opp_get_freq(struct dev_pm_opp *opp); + +int dev_pm_opp_get_opp_count(struct device *dev); + +struct dev_pm_opp *dev_pm_opp_find_freq_exact(struct device *dev, + unsigned long freq, + bool available); + +struct dev_pm_opp *dev_pm_opp_find_freq_floor(struct device *dev, + unsigned long *freq); + +struct dev_pm_opp *dev_pm_opp_find_freq_ceil(struct device *dev, + unsigned long *freq); + +int dev_pm_opp_add(struct device *dev, unsigned long freq, + unsigned long u_volt); + +int dev_pm_opp_enable(struct device *dev, unsigned long freq); + +int dev_pm_opp_disable(struct device *dev, unsigned long freq); + +struct srcu_notifier_head *dev_pm_opp_get_notifier(struct device *dev); +#else +static inline unsigned long dev_pm_opp_get_voltage(struct dev_pm_opp *opp) +{ + return 0; +} + +static inline unsigned long dev_pm_opp_get_freq(struct dev_pm_opp *opp) +{ + return 0; +} + +static inline int dev_pm_opp_get_opp_count(struct device *dev) +{ + return 0; +} + +static inline struct dev_pm_opp *dev_pm_opp_find_freq_exact(struct device *dev, + unsigned long freq, bool available) +{ + return ERR_PTR(-EINVAL); +} + +static inline struct dev_pm_opp *dev_pm_opp_find_freq_floor(struct device *dev, + unsigned long *freq) +{ + return ERR_PTR(-EINVAL); +} + +static inline struct dev_pm_opp *dev_pm_opp_find_freq_ceil(struct device *dev, + unsigned long *freq) +{ + return ERR_PTR(-EINVAL); +} + +static inline int dev_pm_opp_add(struct device *dev, unsigned long freq, + unsigned long u_volt) +{ + return -EINVAL; +} + +static inline int dev_pm_opp_enable(struct device *dev, unsigned long freq) +{ + return 0; +} + +static inline int dev_pm_opp_disable(struct device *dev, unsigned long freq) +{ + return 0; +} + +static inline struct srcu_notifier_head *dev_pm_opp_get_notifier( + struct device *dev) +{ + return ERR_PTR(-EINVAL); +} +#endif /* CONFIG_PM_OPP */ + +#if defined(CONFIG_PM_OPP) && defined(CONFIG_OF) +int of_init_opp_table(struct device *dev); +#else +static inline int of_init_opp_table(struct device *dev) +{ + return -EINVAL; +} +#endif + +#if defined(CONFIG_CPU_FREQ) && defined(CONFIG_PM_OPP) +int dev_pm_opp_init_cpufreq_table(struct device *dev, + struct cpufreq_frequency_table **table); +void dev_pm_opp_free_cpufreq_table(struct device *dev, + struct cpufreq_frequency_table **table); +#else +static inline int dev_pm_opp_init_cpufreq_table(struct device *dev, + struct cpufreq_frequency_table **table) +{ + return -EINVAL; +} + +static inline +void dev_pm_opp_free_cpufreq_table(struct device *dev, + struct cpufreq_frequency_table **table) +{ +} +#endif /* CONFIG_CPU_FREQ */ + +#endif /* __LINUX_OPP_H__ */ diff --git a/include/linux/power/bq24735-charger.h b/include/linux/power/bq24735-charger.h new file mode 100644 index 000000000000..f536164a6069 --- /dev/null +++ b/include/linux/power/bq24735-charger.h @@ -0,0 +1,39 @@ +/* + * + * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#ifndef __CHARGER_BQ24735_H_ +#define __CHARGER_BQ24735_H_ + +#include <linux/types.h> +#include <linux/power_supply.h> + +struct bq24735_platform { + uint32_t charge_current; + uint32_t charge_voltage; + uint32_t input_current; + + const char *name; + + int status_gpio; + int status_gpio_active_low; + bool status_gpio_valid; + + char **supplied_to; + size_t num_supplicants; +}; + +#endif /* __CHARGER_BQ24735_H_ */ diff --git a/include/linux/powercap.h b/include/linux/powercap.h new file mode 100644 index 000000000000..4e250417ee30 --- /dev/null +++ b/include/linux/powercap.h @@ -0,0 +1,325 @@ +/* + * powercap.h: Data types and headers for sysfs power capping interface + * Copyright (c) 2013, Intel Corporation. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms and conditions of the GNU General Public License, + * version 2, as published by the Free Software Foundation. + * + * This program is distributed in the hope 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. + * + */ + +#ifndef __POWERCAP_H__ +#define __POWERCAP_H__ + +#include <linux/device.h> +#include <linux/idr.h> + +/* + * A power cap class device can contain multiple powercap control_types. + * Each control_type can have multiple power zones, which can be independently + * controlled. Each power zone can have one or more constraints. + */ + +struct powercap_control_type; +struct powercap_zone; +struct powercap_zone_constraint; + +/** + * struct powercap_control_type_ops - Define control type callbacks + * @set_enable: Enable/Disable whole control type. + * Default is enabled. But this callback allows all zones + * to be in disable state and remove any applied power + * limits. If disabled power zone can only be monitored + * not controlled. + * @get_enable: get Enable/Disable status. + * @release: Callback to inform that last reference to this + * control type is closed. So it is safe to free data + * structure associated with this control type. + * This callback is mandatory if the client own memory + * for the control type. + * + * This structure defines control type callbacks to be implemented by client + * drivers + */ +struct powercap_control_type_ops { + int (*set_enable) (struct powercap_control_type *, bool mode); + int (*get_enable) (struct powercap_control_type *, bool *mode); + int (*release) (struct powercap_control_type *); +}; + +/** + * struct powercap_control_type- Defines a powercap control_type + * @name: name of control_type + * @dev: device for this control_type + * @idr: idr to have unique id for its child + * @root_node: Root holding power zones for this control_type + * @ops: Pointer to callback struct + * @node_lock: mutex for control type + * @allocated: This is possible that client owns the memory + * used by this structure. In this case + * this flag is set to false by framework to + * prevent deallocation during release process. + * Otherwise this flag is set to true. + * @ctrl_inst: link to the control_type list + * + * Defines powercap control_type. This acts as a container for power + * zones, which use same method to control power. E.g. RAPL, RAPL-PCI etc. + * All fields are private and should not be used by client drivers. + */ +struct powercap_control_type { + struct device dev; + struct idr idr; + int nr_zones; + const struct powercap_control_type_ops *ops; + struct mutex lock; + bool allocated; + struct list_head node; +}; + +/** + * struct powercap_zone_ops - Define power zone callbacks + * @get_max_energy_range_uj: Get maximum range of energy counter in + * micro-joules. + * @get_energy_uj: Get current energy counter in micro-joules. + * @reset_energy_uj: Reset micro-joules energy counter. + * @get_max_power_range_uw: Get maximum range of power counter in + * micro-watts. + * @get_power_uw: Get current power counter in micro-watts. + * @set_enable: Enable/Disable power zone controls. + * Default is enabled. + * @get_enable: get Enable/Disable status. + * @release: Callback to inform that last reference to this + * control type is closed. So it is safe to free + * data structure associated with this + * control type. Mandatory, if client driver owns + * the power_zone memory. + * + * This structure defines zone callbacks to be implemented by client drivers. + * Client drives can define both energy and power related callbacks. But at + * the least one type (either power or energy) is mandatory. Client drivers + * should handle mutual exclusion, if required in callbacks. + */ +struct powercap_zone_ops { + int (*get_max_energy_range_uj) (struct powercap_zone *, u64 *); + int (*get_energy_uj) (struct powercap_zone *, u64 *); + int (*reset_energy_uj) (struct powercap_zone *); + int (*get_max_power_range_uw) (struct powercap_zone *, u64 *); + int (*get_power_uw) (struct powercap_zone *, u64 *); + int (*set_enable) (struct powercap_zone *, bool mode); + int (*get_enable) (struct powercap_zone *, bool *mode); + int (*release) (struct powercap_zone *); +}; + +#define POWERCAP_ZONE_MAX_ATTRS 6 +#define POWERCAP_CONSTRAINTS_ATTRS 8 +#define MAX_CONSTRAINTS_PER_ZONE 10 +/** + * struct powercap_zone- Defines instance of a power cap zone + * @id: Unique id + * @name: Power zone name. + * @control_type_inst: Control type instance for this zone. + * @ops: Pointer to the zone operation structure. + * @dev: Instance of a device. + * @const_id_cnt: Number of constraint defined. + * @idr: Instance to an idr entry for children zones. + * @parent_idr: To remove reference from the parent idr. + * @private_data: Private data pointer if any for this zone. + * @zone_dev_attrs: Attributes associated with this device. + * @zone_attr_count: Attribute count. + * @dev_zone_attr_group: Attribute group for attributes. + * @dev_attr_groups: Attribute group store to register with device. + * @allocated: This is possible that client owns the memory + * used by this structure. In this case + * this flag is set to false by framework to + * prevent deallocation during release process. + * Otherwise this flag is set to true. + * @constraint_ptr: List of constraints for this zone. + * + * This defines a power zone instance. The fields of this structure are + * private, and should not be used by client drivers. + */ +struct powercap_zone { + int id; + char *name; + void *control_type_inst; + const struct powercap_zone_ops *ops; + struct device dev; + int const_id_cnt; + struct idr idr; + struct idr *parent_idr; + void *private_data; + struct attribute **zone_dev_attrs; + int zone_attr_count; + struct attribute_group dev_zone_attr_group; + const struct attribute_group *dev_attr_groups[2]; /* 1 group + NULL */ + bool allocated; + struct powercap_zone_constraint *constraints; +}; + +/** + * struct powercap_zone_constraint_ops - Define constraint callbacks + * @set_power_limit_uw: Set power limit in micro-watts. + * @get_power_limit_uw: Get power limit in micro-watts. + * @set_time_window_us: Set time window in micro-seconds. + * @get_time_window_us: Get time window in micro-seconds. + * @get_max_power_uw: Get max power allowed in micro-watts. + * @get_min_power_uw: Get min power allowed in micro-watts. + * @get_max_time_window_us: Get max time window allowed in micro-seconds. + * @get_min_time_window_us: Get min time window allowed in micro-seconds. + * @get_name: Get the name of constraint + * + * This structure is used to define the constraint callbacks for the client + * drivers. The following callbacks are mandatory and can't be NULL: + * set_power_limit_uw + * get_power_limit_uw + * set_time_window_us + * get_time_window_us + * get_name + * Client drivers should handle mutual exclusion, if required in callbacks. + */ +struct powercap_zone_constraint_ops { + int (*set_power_limit_uw) (struct powercap_zone *, int, u64); + int (*get_power_limit_uw) (struct powercap_zone *, int, u64 *); + int (*set_time_window_us) (struct powercap_zone *, int, u64); + int (*get_time_window_us) (struct powercap_zone *, int, u64 *); + int (*get_max_power_uw) (struct powercap_zone *, int, u64 *); + int (*get_min_power_uw) (struct powercap_zone *, int, u64 *); + int (*get_max_time_window_us) (struct powercap_zone *, int, u64 *); + int (*get_min_time_window_us) (struct powercap_zone *, int, u64 *); + const char *(*get_name) (struct powercap_zone *, int); +}; + +/** + * struct powercap_zone_constraint- Defines instance of a constraint + * @id: Instance Id of this constraint. + * @power_zone: Pointer to the power zone for this constraint. + * @ops: Pointer to the constraint callbacks. + * + * This defines a constraint instance. + */ +struct powercap_zone_constraint { + int id; + struct powercap_zone *power_zone; + struct powercap_zone_constraint_ops *ops; +}; + + +/* For clients to get their device pointer, may be used for dev_dbgs */ +#define POWERCAP_GET_DEV(power_zone) (&power_zone->dev) + +/** +* powercap_set_zone_data() - Set private data for a zone +* @power_zone: A pointer to the valid zone instance. +* @pdata: A pointer to the user private data. +* +* Allows client drivers to associate some private data to zone instance. +*/ +static inline void powercap_set_zone_data(struct powercap_zone *power_zone, + void *pdata) +{ + if (power_zone) + power_zone->private_data = pdata; +} + +/** +* powercap_get_zone_data() - Get private data for a zone +* @power_zone: A pointer to the valid zone instance. +* +* Allows client drivers to get private data associate with a zone, +* using call to powercap_set_zone_data. +*/ +static inline void *powercap_get_zone_data(struct powercap_zone *power_zone) +{ + if (power_zone) + return power_zone->private_data; + return NULL; +} + +/** +* powercap_register_control_type() - Register a control_type with framework +* @control_type: Pointer to client allocated memory for the control type +* structure storage. If this is NULL, powercap framework +* will allocate memory and own it. +* Advantage of this parameter is that client can embed +* this data in its data structures and allocate in a +* single call, preventing multiple allocations. +* @control_type_name: The Name of this control_type, which will be shown +* in the sysfs Interface. +* @ops: Callbacks for control type. This parameter is optional. +* +* Used to create a control_type with the power capping class. Here control_type +* can represent a type of technology, which can control a range of power zones. +* For example a control_type can be RAPL (Running Average Power Limit) +* Intel® 64 and IA-32 Processor Architectures. The name can be any string +* which must be unique, otherwise this function returns NULL. +* A pointer to the control_type instance is returned on success. +*/ +struct powercap_control_type *powercap_register_control_type( + struct powercap_control_type *control_type, + const char *name, + const struct powercap_control_type_ops *ops); + +/** +* powercap_unregister_control_type() - Unregister a control_type from framework +* @instance: A pointer to the valid control_type instance. +* +* Used to unregister a control_type with the power capping class. +* All power zones registered under this control type have to be unregistered +* before calling this function, or it will fail with an error code. +*/ +int powercap_unregister_control_type(struct powercap_control_type *instance); + +/* Zone register/unregister API */ + +/** +* powercap_register_zone() - Register a power zone +* @power_zone: Pointer to client allocated memory for the power zone structure +* storage. If this is NULL, powercap framework will allocate +* memory and own it. Advantage of this parameter is that client +* can embed this data in its data structures and allocate in a +* single call, preventing multiple allocations. +* @control_type: A control_type instance under which this zone operates. +* @name: A name for this zone. +* @parent: A pointer to the parent power zone instance if any or NULL +* @ops: Pointer to zone operation callback structure. +* @no_constraints: Number of constraints for this zone +* @const_ops: Pointer to constraint callback structure +* +* Register a power zone under a given control type. A power zone must register +* a pointer to a structure representing zone callbacks. +* A power zone can be located under a parent power zone, in which case @parent +* should point to it. Otherwise, if @parent is NULL, the new power zone will +* be located directly under the given control type +* For each power zone there may be a number of constraints that appear in the +* sysfs under that zone as attributes with unique numeric IDs. +* Returns pointer to the power_zone on success. +*/ +struct powercap_zone *powercap_register_zone( + struct powercap_zone *power_zone, + struct powercap_control_type *control_type, + const char *name, + struct powercap_zone *parent, + const struct powercap_zone_ops *ops, + int nr_constraints, + struct powercap_zone_constraint_ops *const_ops); + +/** +* powercap_unregister_zone() - Unregister a zone device +* @control_type: A pointer to the valid instance of a control_type. +* @power_zone: A pointer to the valid zone instance for a control_type +* +* Used to unregister a zone device for a control_type. Caller should +* make sure that children for this zone are unregistered first. +*/ +int powercap_unregister_zone(struct powercap_control_type *control_type, + struct powercap_zone *power_zone); + +#endif diff --git a/include/linux/preempt_mask.h b/include/linux/preempt_mask.h index 931bc616219f..d169820203dd 100644 --- a/include/linux/preempt_mask.h +++ b/include/linux/preempt_mask.h @@ -11,36 +11,23 @@ * - bits 0-7 are the preemption count (max preemption depth: 256) * - bits 8-15 are the softirq count (max # of softirqs: 256) * - * The hardirq count can in theory reach the same as NR_IRQS. - * In reality, the number of nested IRQS is limited to the stack - * size as well. For archs with over 1000 IRQS it is not practical - * to expect that they will all nest. We give a max of 10 bits for - * hardirq nesting. An arch may choose to give less than 10 bits. - * m68k expects it to be 8. + * The hardirq count could in theory be the same as the number of + * interrupts in the system, but we run all interrupt handlers with + * interrupts disabled, so we cannot have nesting interrupts. Though + * there are a few palaeontologic drivers which reenable interrupts in + * the handler, so we need more than one bit here. * - * - bits 16-25 are the hardirq count (max # of nested hardirqs: 1024) - * - bit 26 is the NMI_MASK - * - bit 27 is the PREEMPT_ACTIVE flag - * - * PREEMPT_MASK: 0x000000ff - * SOFTIRQ_MASK: 0x0000ff00 - * HARDIRQ_MASK: 0x03ff0000 - * NMI_MASK: 0x04000000 + * PREEMPT_MASK: 0x000000ff + * SOFTIRQ_MASK: 0x0000ff00 + * HARDIRQ_MASK: 0x000f0000 + * NMI_MASK: 0x00100000 + * PREEMPT_ACTIVE: 0x00200000 */ #define PREEMPT_BITS 8 #define SOFTIRQ_BITS 8 +#define HARDIRQ_BITS 4 #define NMI_BITS 1 -#define MAX_HARDIRQ_BITS 10 - -#ifndef HARDIRQ_BITS -# define HARDIRQ_BITS MAX_HARDIRQ_BITS -#endif - -#if HARDIRQ_BITS > MAX_HARDIRQ_BITS -#error HARDIRQ_BITS too high! -#endif - #define PREEMPT_SHIFT 0 #define SOFTIRQ_SHIFT (PREEMPT_SHIFT + PREEMPT_BITS) #define HARDIRQ_SHIFT (SOFTIRQ_SHIFT + SOFTIRQ_BITS) @@ -60,15 +47,9 @@ #define SOFTIRQ_DISABLE_OFFSET (2 * SOFTIRQ_OFFSET) -#ifndef PREEMPT_ACTIVE #define PREEMPT_ACTIVE_BITS 1 #define PREEMPT_ACTIVE_SHIFT (NMI_SHIFT + NMI_BITS) #define PREEMPT_ACTIVE (__IRQ_MASK(PREEMPT_ACTIVE_BITS) << PREEMPT_ACTIVE_SHIFT) -#endif - -#if PREEMPT_ACTIVE < (1 << (NMI_SHIFT + NMI_BITS)) -#error PREEMPT_ACTIVE is too low! -#endif #define hardirq_count() (preempt_count() & HARDIRQ_MASK) #define softirq_count() (preempt_count() & SOFTIRQ_MASK) diff --git a/include/linux/pwm_backlight.h b/include/linux/pwm_backlight.h index 56f4a866539a..2de2e275b2cb 100644 --- a/include/linux/pwm_backlight.h +++ b/include/linux/pwm_backlight.h @@ -6,6 +6,9 @@ #include <linux/backlight.h> +/* TODO: convert to gpiod_*() API once it has been merged */ +#define PWM_BACKLIGHT_GPIO_ACTIVE_LOW (1 << 0) + struct platform_pwm_backlight_data { int pwm_id; unsigned int max_brightness; @@ -13,6 +16,8 @@ struct platform_pwm_backlight_data { unsigned int lth_brightness; unsigned int pwm_period_ns; unsigned int *levels; + int enable_gpio; + unsigned long enable_gpio_flags; int (*init)(struct device *dev); int (*notify)(struct device *dev, int brightness); void (*notify_after)(struct device *dev, int brightness); diff --git a/include/linux/random.h b/include/linux/random.h index 6312dd9ba449..4002b3df4c85 100644 --- a/include/linux/random.h +++ b/include/linux/random.h @@ -29,8 +29,13 @@ unsigned long randomize_range(unsigned long start, unsigned long end, unsigned l u32 prandom_u32(void); void prandom_bytes(void *buf, int nbytes); void prandom_seed(u32 seed); +void prandom_reseed_late(void); -u32 prandom_u32_state(struct rnd_state *); +struct rnd_state { + __u32 s1, s2, s3, s4; +}; + +u32 prandom_u32_state(struct rnd_state *state); void prandom_bytes_state(struct rnd_state *state, void *buf, int nbytes); /* @@ -50,9 +55,10 @@ static inline void prandom_seed_state(struct rnd_state *state, u64 seed) { u32 i = (seed >> 32) ^ (seed << 10) ^ seed; - state->s1 = __seed(i, 1); - state->s2 = __seed(i, 7); - state->s3 = __seed(i, 15); + state->s1 = __seed(i, 2U); + state->s2 = __seed(i, 8U); + state->s3 = __seed(i, 16U); + state->s4 = __seed(i, 128U); } #ifdef CONFIG_ARCH_RANDOM diff --git a/include/linux/rbtree.h b/include/linux/rbtree.h index aa870a4ddf54..57e75ae9910f 100644 --- a/include/linux/rbtree.h +++ b/include/linux/rbtree.h @@ -85,6 +85,11 @@ static inline void rb_link_node(struct rb_node * node, struct rb_node * parent, *rb_link = node; } +#define rb_entry_safe(ptr, type, member) \ + ({ typeof(ptr) ____ptr = (ptr); \ + ____ptr ? rb_entry(____ptr, type, member) : NULL; \ + }) + /** * rbtree_postorder_for_each_entry_safe - iterate over rb_root in post order of * given type safe against removal of rb_node entry @@ -95,12 +100,9 @@ static inline void rb_link_node(struct rb_node * node, struct rb_node * parent, * @field: the name of the rb_node field within 'type'. */ #define rbtree_postorder_for_each_entry_safe(pos, n, root, field) \ - for (pos = rb_entry(rb_first_postorder(root), typeof(*pos), field),\ - n = rb_entry(rb_next_postorder(&pos->field), \ - typeof(*pos), field); \ - &pos->field; \ - pos = n, \ - n = rb_entry(rb_next_postorder(&pos->field), \ - typeof(*pos), field)) + for (pos = rb_entry_safe(rb_first_postorder(root), typeof(*pos), field); \ + pos && ({ n = rb_entry_safe(rb_next_postorder(&pos->field), \ + typeof(*pos), field); 1; }); \ + pos = n) #endif /* _LINUX_RBTREE_H */ diff --git a/include/linux/regmap.h b/include/linux/regmap.h index a10380bfbeac..e55907804d39 100644 --- a/include/linux/regmap.h +++ b/include/linux/regmap.h @@ -23,6 +23,7 @@ struct device; struct i2c_client; struct irq_domain; struct spi_device; +struct spmi_device; struct regmap; struct regmap_range_cfg; struct regmap_field; @@ -70,6 +71,8 @@ struct regmap_range { unsigned int range_max; }; +#define regmap_reg_range(low, high) { .range_min = low, .range_max = high, } + /* * A table of ranges including some yes ranges and some no ranges. * If a register belongs to a no_range, the corresponding check function @@ -318,6 +321,8 @@ struct regmap *regmap_init_i2c(struct i2c_client *i2c, const struct regmap_config *config); struct regmap *regmap_init_spi(struct spi_device *dev, const struct regmap_config *config); +struct regmap *regmap_init_spmi(struct spmi_device *dev, + const struct regmap_config *config); struct regmap *regmap_init_mmio_clk(struct device *dev, const char *clk_id, void __iomem *regs, const struct regmap_config *config); @@ -330,6 +335,8 @@ struct regmap *devm_regmap_init_i2c(struct i2c_client *i2c, const struct regmap_config *config); struct regmap *devm_regmap_init_spi(struct spi_device *dev, const struct regmap_config *config); +struct regmap *devm_regmap_init_spmi(struct spmi_device *dev, + const struct regmap_config *config); struct regmap *devm_regmap_init_mmio_clk(struct device *dev, const char *clk_id, void __iomem *regs, const struct regmap_config *config); @@ -374,10 +381,13 @@ int regmap_reinit_cache(struct regmap *map, const struct regmap_config *config); struct regmap *dev_get_regmap(struct device *dev, const char *name); int regmap_write(struct regmap *map, unsigned int reg, unsigned int val); +int regmap_write_async(struct regmap *map, unsigned int reg, unsigned int val); int regmap_raw_write(struct regmap *map, unsigned int reg, const void *val, size_t val_len); int regmap_bulk_write(struct regmap *map, unsigned int reg, const void *val, size_t val_count); +int regmap_multi_reg_write(struct regmap *map, struct reg_default *regs, + int num_regs); int regmap_raw_write_async(struct regmap *map, unsigned int reg, const void *val, size_t val_len); int regmap_read(struct regmap *map, unsigned int reg, unsigned int *val); @@ -387,9 +397,14 @@ int regmap_bulk_read(struct regmap *map, unsigned int reg, void *val, size_t val_count); int regmap_update_bits(struct regmap *map, unsigned int reg, unsigned int mask, unsigned int val); +int regmap_update_bits_async(struct regmap *map, unsigned int reg, + unsigned int mask, unsigned int val); int regmap_update_bits_check(struct regmap *map, unsigned int reg, unsigned int mask, unsigned int val, bool *change); +int regmap_update_bits_check_async(struct regmap *map, unsigned int reg, + unsigned int mask, unsigned int val, + bool *change); int regmap_get_val_bytes(struct regmap *map); int regmap_async_complete(struct regmap *map); bool regmap_can_raw_write(struct regmap *map); @@ -425,11 +440,15 @@ bool regmap_reg_in_ranges(unsigned int reg, * @reg: Offset of the register within the regmap bank * @lsb: lsb of the register field. * @reg: msb of the register field. + * @id_size: port size if it has some ports + * @id_offset: address offset for each ports */ struct reg_field { unsigned int reg; unsigned int lsb; unsigned int msb; + unsigned int id_size; + unsigned int id_offset; }; #define REG_FIELD(_reg, _lsb, _msb) { \ @@ -448,6 +467,15 @@ void devm_regmap_field_free(struct device *dev, struct regmap_field *field); int regmap_field_read(struct regmap_field *field, unsigned int *val); int regmap_field_write(struct regmap_field *field, unsigned int val); +int regmap_field_update_bits(struct regmap_field *field, + unsigned int mask, unsigned int val); + +int regmap_fields_write(struct regmap_field *field, unsigned int id, + unsigned int val); +int regmap_fields_read(struct regmap_field *field, unsigned int id, + unsigned int *val); +int regmap_fields_update_bits(struct regmap_field *field, unsigned int id, + unsigned int mask, unsigned int val); /** * Description of an IRQ for the generic regmap irq_chip. @@ -527,6 +555,13 @@ static inline int regmap_write(struct regmap *map, unsigned int reg, return -EINVAL; } +static inline int regmap_write_async(struct regmap *map, unsigned int reg, + unsigned int val) +{ + WARN_ONCE(1, "regmap API is disabled"); + return -EINVAL; +} + static inline int regmap_raw_write(struct regmap *map, unsigned int reg, const void *val, size_t val_len) { @@ -576,6 +611,14 @@ static inline int regmap_update_bits(struct regmap *map, unsigned int reg, return -EINVAL; } +static inline int regmap_update_bits_async(struct regmap *map, + unsigned int reg, + unsigned int mask, unsigned int val) +{ + WARN_ONCE(1, "regmap API is disabled"); + return -EINVAL; +} + static inline int regmap_update_bits_check(struct regmap *map, unsigned int reg, unsigned int mask, unsigned int val, @@ -585,6 +628,16 @@ static inline int regmap_update_bits_check(struct regmap *map, return -EINVAL; } +static inline int regmap_update_bits_check_async(struct regmap *map, + unsigned int reg, + unsigned int mask, + unsigned int val, + bool *change) +{ + WARN_ONCE(1, "regmap API is disabled"); + return -EINVAL; +} + static inline int regmap_get_val_bytes(struct regmap *map) { WARN_ONCE(1, "regmap API is disabled"); diff --git a/include/linux/regulator/consumer.h b/include/linux/regulator/consumer.h index 27be915caa96..e530681bea70 100644 --- a/include/linux/regulator/consumer.h +++ b/include/linux/regulator/consumer.h @@ -146,6 +146,32 @@ struct regulator *__must_check devm_regulator_get_optional(struct device *dev, void regulator_put(struct regulator *regulator); void devm_regulator_put(struct regulator *regulator); +int regulator_register_supply_alias(struct device *dev, const char *id, + struct device *alias_dev, + const char *alias_id); +void regulator_unregister_supply_alias(struct device *dev, const char *id); + +int regulator_bulk_register_supply_alias(struct device *dev, const char **id, + struct device *alias_dev, + const char **alias_id, int num_id); +void regulator_bulk_unregister_supply_alias(struct device *dev, + const char **id, int num_id); + +int devm_regulator_register_supply_alias(struct device *dev, const char *id, + struct device *alias_dev, + const char *alias_id); +void devm_regulator_unregister_supply_alias(struct device *dev, + const char *id); + +int devm_regulator_bulk_register_supply_alias(struct device *dev, + const char **id, + struct device *alias_dev, + const char **alias_id, + int num_id); +void devm_regulator_bulk_unregister_supply_alias(struct device *dev, + const char **id, + int num_id); + /* regulator output control and status */ int __must_check regulator_enable(struct regulator *regulator); int regulator_disable(struct regulator *regulator); @@ -250,6 +276,59 @@ static inline void devm_regulator_put(struct regulator *regulator) { } +static inline int regulator_register_supply_alias(struct device *dev, + const char *id, + struct device *alias_dev, + const char *alias_id) +{ + return 0; +} + +static inline void regulator_unregister_supply_alias(struct device *dev, + const char *id) +{ +} + +static inline int regulator_bulk_register_supply_alias(struct device *dev, + const char **id, + struct device *alias_dev, + const char **alias_id, + int num_id) +{ + return 0; +} + +static inline void regulator_bulk_unregister_supply_alias(struct device *dev, + const char **id, + int num_id) +{ +} + +static inline int devm_regulator_register_supply_alias(struct device *dev, + const char *id, + struct device *alias_dev, + const char *alias_id) +{ + return 0; +} + +static inline void devm_regulator_unregister_supply_alias(struct device *dev, + const char *id) +{ +} + +static inline int devm_regulator_bulk_register_supply_alias( + struct device *dev, const char **id, struct device *alias_dev, + const char **alias_id, int num_id) +{ + return 0; +} + +static inline void devm_regulator_bulk_unregister_supply_alias( + struct device *dev, const char **id, int num_id) +{ +} + static inline int regulator_enable(struct regulator *regulator) { return 0; diff --git a/include/linux/regulator/driver.h b/include/linux/regulator/driver.h index 9bdad43ad228..9370e65348a4 100644 --- a/include/linux/regulator/driver.h +++ b/include/linux/regulator/driver.h @@ -46,19 +46,26 @@ enum regulator_status { * regulator_list_linear_range(). * * @min_uV: Lowest voltage in range - * @max_uV: Highest voltage in range * @min_sel: Lowest selector for range * @max_sel: Highest selector for range * @uV_step: Step size */ struct regulator_linear_range { unsigned int min_uV; - unsigned int max_uV; unsigned int min_sel; unsigned int max_sel; unsigned int uV_step; }; +/* Initialize struct regulator_linear_range */ +#define REGULATOR_LINEAR_RANGE(_min_uV, _min_sel, _max_sel, _step_uV) \ +{ \ + .min_uV = _min_uV, \ + .min_sel = _min_sel, \ + .max_sel = _max_sel, \ + .uV_step = _step_uV, \ +} + /** * struct regulator_ops - regulator operations. * @@ -209,6 +216,7 @@ enum regulator_type { * @min_uV: Voltage given by the lowest selector (if linear mapping) * @uV_step: Voltage increase with each selector (if linear mapping) * @linear_min_sel: Minimal selector for starting linear mapping + * @fixed_uV: Fixed voltage of rails. * @ramp_delay: Time to settle down after voltage change (unit: uV/us) * @volt_table: Voltage mapping table (if table based mapping) * @@ -241,6 +249,7 @@ struct regulator_desc { unsigned int min_uV; unsigned int uV_step; unsigned int linear_min_sel; + int fixed_uV; unsigned int ramp_delay; const struct regulator_linear_range *linear_ranges; @@ -336,7 +345,12 @@ struct regulator_dev { struct regulator_dev * regulator_register(const struct regulator_desc *regulator_desc, const struct regulator_config *config); +struct regulator_dev * +devm_regulator_register(struct device *dev, + const struct regulator_desc *regulator_desc, + const struct regulator_config *config); void regulator_unregister(struct regulator_dev *rdev); +void devm_regulator_unregister(struct device *dev, struct regulator_dev *rdev); int regulator_notifier_call_chain(struct regulator_dev *rdev, unsigned long event, void *data); diff --git a/include/linux/regulator/machine.h b/include/linux/regulator/machine.h index 999b20ce06cf..730e638c5589 100644 --- a/include/linux/regulator/machine.h +++ b/include/linux/regulator/machine.h @@ -95,6 +95,7 @@ struct regulator_state { * @initial_state: Suspend state to set by default. * @initial_mode: Mode to set at startup. * @ramp_delay: Time to settle down after voltage change (unit: uV/us) + * @enable_time: Turn-on time of the rails (unit: microseconds) */ struct regulation_constraints { @@ -129,6 +130,7 @@ struct regulation_constraints { unsigned int initial_mode; unsigned int ramp_delay; + unsigned int enable_time; /* constraint flags */ unsigned always_on:1; /* regulator never off when system is on */ @@ -193,15 +195,10 @@ int regulator_suspend_finish(void); #ifdef CONFIG_REGULATOR void regulator_has_full_constraints(void); -void regulator_use_dummy_regulator(void); #else static inline void regulator_has_full_constraints(void) { } - -static inline void regulator_use_dummy_regulator(void) -{ -} #endif #endif diff --git a/include/linux/rtnetlink.h b/include/linux/rtnetlink.h index f28544b2f9af..939428ad25ac 100644 --- a/include/linux/rtnetlink.h +++ b/include/linux/rtnetlink.h @@ -15,7 +15,7 @@ extern int rtnetlink_put_metrics(struct sk_buff *skb, u32 *metrics); extern int rtnl_put_cacheinfo(struct sk_buff *skb, struct dst_entry *dst, u32 id, long expires, u32 error); -extern void rtmsg_ifinfo(int type, struct net_device *dev, unsigned change); +void rtmsg_ifinfo(int type, struct net_device *dev, unsigned change, gfp_t flags); /* RTNL is used as a global lock for all changes to network configuration */ extern void rtnl_lock(void); diff --git a/include/linux/sched.h b/include/linux/sched.h index 045b0d227846..7e35d4b9e14a 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -22,7 +22,7 @@ struct sched_param { #include <linux/errno.h> #include <linux/nodemask.h> #include <linux/mm_types.h> -#include <linux/preempt.h> +#include <linux/preempt_mask.h> #include <asm/page.h> #include <asm/ptrace.h> @@ -286,6 +286,14 @@ static inline void lockup_detector_init(void) } #endif +#ifdef CONFIG_DETECT_HUNG_TASK +void reset_hung_task_detector(void); +#else +static inline void reset_hung_task_detector(void) +{ +} +#endif + /* Attach to any functions which should be ignored in wchan output. */ #define __sched __attribute__((__section__(".sched.text"))) @@ -323,6 +331,10 @@ static inline void arch_pick_mmap_layout(struct mm_struct *mm) {} extern void set_dumpable(struct mm_struct *mm, int value); extern int get_dumpable(struct mm_struct *mm); +#define SUID_DUMP_DISABLE 0 /* No setuid dumping */ +#define SUID_DUMP_USER 1 /* Dump as user of process */ +#define SUID_DUMP_ROOT 2 /* Dump as root */ + /* mm flags */ /* dumpable bits */ #define MMF_DUMPABLE 0 /* core dump is permitted */ @@ -1062,15 +1074,6 @@ struct task_struct { struct hlist_head preempt_notifiers; #endif - /* - * fpu_counter contains the number of consecutive context switches - * that the FPU is used. If this is over a threshold, the lazy fpu - * saving becomes unlazy to save the trap. This is an unsigned char - * so that after 256 times the counter wraps and the behavior turns - * lazy again; this to deal with bursty apps that only use FPU for - * a short time - */ - unsigned char fpu_counter; #ifdef CONFIG_BLK_DEV_IO_TRACE unsigned int btrace_seq; #endif diff --git a/include/linux/sched/sysctl.h b/include/linux/sched/sysctl.h index 10d16c4fbe89..41467f8ff8ec 100644 --- a/include/linux/sched/sysctl.h +++ b/include/linux/sched/sysctl.h @@ -2,8 +2,8 @@ #define _SCHED_SYSCTL_H #ifdef CONFIG_DETECT_HUNG_TASK +extern int sysctl_hung_task_check_count; extern unsigned int sysctl_hung_task_panic; -extern unsigned long sysctl_hung_task_check_count; extern unsigned long sysctl_hung_task_timeout_secs; extern unsigned long sysctl_hung_task_warnings; extern int proc_dohung_task_timeout_secs(struct ctl_table *table, int write, diff --git a/include/linux/security.h b/include/linux/security.h index 9d37e2b9d3ec..5623a7f965b7 100644 --- a/include/linux/security.h +++ b/include/linux/security.h @@ -1052,17 +1052,25 @@ static inline void security_free_mnt_opts(struct security_mnt_opts *opts) * @xfrm_policy_delete_security: * @ctx contains the xfrm_sec_ctx. * Authorize deletion of xp->security. - * @xfrm_state_alloc_security: + * @xfrm_state_alloc: * @x contains the xfrm_state being added to the Security Association * Database by the XFRM system. * @sec_ctx contains the security context information being provided by * the user-level SA generation program (e.g., setkey or racoon). - * @secid contains the secid from which to take the mls portion of the context. * Allocate a security structure to the x->security field; the security * field is initialized to NULL when the xfrm_state is allocated. Set the - * context to correspond to either sec_ctx or polsec, with the mls portion - * taken from secid in the latter case. - * Return 0 if operation was successful (memory to allocate, legal context). + * context to correspond to sec_ctx. Return 0 if operation was successful + * (memory to allocate, legal context). + * @xfrm_state_alloc_acquire: + * @x contains the xfrm_state being added to the Security Association + * Database by the XFRM system. + * @polsec contains the policy's security context. + * @secid contains the secid from which to take the mls portion of the + * context. + * Allocate a security structure to the x->security field; the security + * field is initialized to NULL when the xfrm_state is allocated. Set the + * context to correspond to secid. Return 0 if operation was successful + * (memory to allocate, legal context). * @xfrm_state_free_security: * @x contains the xfrm_state. * Deallocate x->security. @@ -1679,9 +1687,11 @@ struct security_operations { int (*xfrm_policy_clone_security) (struct xfrm_sec_ctx *old_ctx, struct xfrm_sec_ctx **new_ctx); void (*xfrm_policy_free_security) (struct xfrm_sec_ctx *ctx); int (*xfrm_policy_delete_security) (struct xfrm_sec_ctx *ctx); - int (*xfrm_state_alloc_security) (struct xfrm_state *x, - struct xfrm_user_sec_ctx *sec_ctx, - u32 secid); + int (*xfrm_state_alloc) (struct xfrm_state *x, + struct xfrm_user_sec_ctx *sec_ctx); + int (*xfrm_state_alloc_acquire) (struct xfrm_state *x, + struct xfrm_sec_ctx *polsec, + u32 secid); void (*xfrm_state_free_security) (struct xfrm_state *x); int (*xfrm_state_delete_security) (struct xfrm_state *x); int (*xfrm_policy_lookup) (struct xfrm_sec_ctx *ctx, u32 fl_secid, u8 dir); diff --git a/include/linux/seq_file.h b/include/linux/seq_file.h index 4e32edc8f506..52e0097f61f0 100644 --- a/include/linux/seq_file.h +++ b/include/linux/seq_file.h @@ -20,6 +20,7 @@ struct seq_file { size_t size; size_t from; size_t count; + size_t pad_until; loff_t index; loff_t read_pos; u64 version; @@ -79,6 +80,20 @@ static inline void seq_commit(struct seq_file *m, int num) } } +/** + * seq_setwidth - set padding width + * @m: the seq_file handle + * @size: the max number of bytes to pad. + * + * Call seq_setwidth() for setting max width, then call seq_printf() etc. and + * finally call seq_pad() to pad the remaining bytes. + */ +static inline void seq_setwidth(struct seq_file *m, size_t size) +{ + m->pad_until = m->count + size; +} +void seq_pad(struct seq_file *m, char c); + char *mangle_path(char *s, const char *p, const char *esc); int seq_open(struct file *, const struct seq_operations *); ssize_t seq_read(struct file *, char __user *, size_t, loff_t *); diff --git a/include/linux/seqlock.h b/include/linux/seqlock.h index 21a209336e79..cf87a24c0f92 100644 --- a/include/linux/seqlock.h +++ b/include/linux/seqlock.h @@ -34,6 +34,7 @@ #include <linux/spinlock.h> #include <linux/preempt.h> +#include <linux/lockdep.h> #include <asm/processor.h> /* @@ -44,10 +45,50 @@ */ typedef struct seqcount { unsigned sequence; +#ifdef CONFIG_DEBUG_LOCK_ALLOC + struct lockdep_map dep_map; +#endif } seqcount_t; -#define SEQCNT_ZERO { 0 } -#define seqcount_init(x) do { *(x) = (seqcount_t) SEQCNT_ZERO; } while (0) +static inline void __seqcount_init(seqcount_t *s, const char *name, + struct lock_class_key *key) +{ + /* + * Make sure we are not reinitializing a held lock: + */ + lockdep_init_map(&s->dep_map, name, key, 0); + s->sequence = 0; +} + +#ifdef CONFIG_DEBUG_LOCK_ALLOC +# define SEQCOUNT_DEP_MAP_INIT(lockname) \ + .dep_map = { .name = #lockname } \ + +# define seqcount_init(s) \ + do { \ + static struct lock_class_key __key; \ + __seqcount_init((s), #s, &__key); \ + } while (0) + +static inline void seqcount_lockdep_reader_access(const seqcount_t *s) +{ + seqcount_t *l = (seqcount_t *)s; + unsigned long flags; + + local_irq_save(flags); + seqcount_acquire_read(&l->dep_map, 0, 0, _RET_IP_); + seqcount_release(&l->dep_map, 1, _RET_IP_); + local_irq_restore(flags); +} + +#else +# define SEQCOUNT_DEP_MAP_INIT(lockname) +# define seqcount_init(s) __seqcount_init(s, NULL, NULL) +# define seqcount_lockdep_reader_access(x) +#endif + +#define SEQCNT_ZERO(lockname) { .sequence = 0, SEQCOUNT_DEP_MAP_INIT(lockname)} + /** * __read_seqcount_begin - begin a seq-read critical section (without barrier) @@ -76,6 +117,22 @@ repeat: } /** + * read_seqcount_begin_no_lockdep - start seq-read critical section w/o lockdep + * @s: pointer to seqcount_t + * Returns: count to be passed to read_seqcount_retry + * + * read_seqcount_begin_no_lockdep opens a read critical section of the given + * seqcount, but without any lockdep checking. Validity of the critical + * section is tested by checking read_seqcount_retry function. + */ +static inline unsigned read_seqcount_begin_no_lockdep(const seqcount_t *s) +{ + unsigned ret = __read_seqcount_begin(s); + smp_rmb(); + return ret; +} + +/** * read_seqcount_begin - begin a seq-read critical section * @s: pointer to seqcount_t * Returns: count to be passed to read_seqcount_retry @@ -86,9 +143,8 @@ repeat: */ static inline unsigned read_seqcount_begin(const seqcount_t *s) { - unsigned ret = __read_seqcount_begin(s); - smp_rmb(); - return ret; + seqcount_lockdep_reader_access(s); + return read_seqcount_begin_no_lockdep(s); } /** @@ -108,6 +164,8 @@ static inline unsigned read_seqcount_begin(const seqcount_t *s) static inline unsigned raw_seqcount_begin(const seqcount_t *s) { unsigned ret = ACCESS_ONCE(s->sequence); + + seqcount_lockdep_reader_access(s); smp_rmb(); return ret & ~1; } @@ -152,14 +210,21 @@ static inline int read_seqcount_retry(const seqcount_t *s, unsigned start) * Sequence counter only version assumes that callers are using their * own mutexing. */ -static inline void write_seqcount_begin(seqcount_t *s) +static inline void write_seqcount_begin_nested(seqcount_t *s, int subclass) { s->sequence++; smp_wmb(); + seqcount_acquire(&s->dep_map, subclass, 0, _RET_IP_); +} + +static inline void write_seqcount_begin(seqcount_t *s) +{ + write_seqcount_begin_nested(s, 0); } static inline void write_seqcount_end(seqcount_t *s) { + seqcount_release(&s->dep_map, 1, _RET_IP_); smp_wmb(); s->sequence++; } @@ -188,7 +253,7 @@ typedef struct { */ #define __SEQLOCK_UNLOCKED(lockname) \ { \ - .seqcount = SEQCNT_ZERO, \ + .seqcount = SEQCNT_ZERO(lockname), \ .lock = __SPIN_LOCK_UNLOCKED(lockname) \ } @@ -289,6 +354,35 @@ static inline void read_sequnlock_excl(seqlock_t *sl) spin_unlock(&sl->lock); } +/** + * read_seqbegin_or_lock - begin a sequence number check or locking block + * @lock: sequence lock + * @seq : sequence number to be checked + * + * First try it once optimistically without taking the lock. If that fails, + * take the lock. The sequence number is also used as a marker for deciding + * whether to be a reader (even) or writer (odd). + * N.B. seq must be initialized to an even number to begin with. + */ +static inline void read_seqbegin_or_lock(seqlock_t *lock, int *seq) +{ + if (!(*seq & 1)) /* Even */ + *seq = read_seqbegin(lock); + else /* Odd */ + read_seqlock_excl(lock); +} + +static inline int need_seqretry(seqlock_t *lock, int seq) +{ + return !(seq & 1) && read_seqretry(lock, seq); +} + +static inline void done_seqretry(seqlock_t *lock, int seq) +{ + if (seq & 1) + read_sequnlock_excl(lock); +} + static inline void read_seqlock_excl_bh(seqlock_t *sl) { spin_lock_bh(&sl->lock); diff --git a/include/linux/serial_sci.h b/include/linux/serial_sci.h index d34049712a4d..50fe651da965 100644 --- a/include/linux/serial_sci.h +++ b/include/linux/serial_sci.h @@ -5,7 +5,7 @@ #include <linux/sh_dma.h> /* - * Generic header for SuperH (H)SCI(F) (used by sh/sh64/h8300 and related parts) + * Generic header for SuperH (H)SCI(F) (used by sh/sh64 and related parts) */ #define SCIx_NOT_SUPPORTED (-1) diff --git a/include/linux/sfi.h b/include/linux/sfi.h index fe817918b30e..d9b436f09925 100644 --- a/include/linux/sfi.h +++ b/include/linux/sfi.h @@ -59,6 +59,9 @@ #ifndef _LINUX_SFI_H #define _LINUX_SFI_H +#include <linux/init.h> +#include <linux/types.h> + /* Table signatures reserved by the SFI specification */ #define SFI_SIG_SYST "SYST" #define SFI_SIG_FREQ "FREQ" diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h index c2d89335f637..bec1cc7d5e3c 100644 --- a/include/linux/skbuff.h +++ b/include/linux/skbuff.h @@ -318,9 +318,13 @@ enum { SKB_GSO_GRE = 1 << 6, - SKB_GSO_UDP_TUNNEL = 1 << 7, + SKB_GSO_IPIP = 1 << 7, - SKB_GSO_MPLS = 1 << 8, + SKB_GSO_SIT = 1 << 8, + + SKB_GSO_UDP_TUNNEL = 1 << 9, + + SKB_GSO_MPLS = 1 << 10, }; #if BITS_PER_LONG > 32 @@ -333,11 +337,6 @@ typedef unsigned int sk_buff_data_t; typedef unsigned char *sk_buff_data_t; #endif -#if defined(CONFIG_NF_DEFRAG_IPV4) || defined(CONFIG_NF_DEFRAG_IPV4_MODULE) || \ - defined(CONFIG_NF_DEFRAG_IPV6) || defined(CONFIG_NF_DEFRAG_IPV6_MODULE) -#define NET_SKBUFF_NF_DEFRAG_NEEDED 1 -#endif - /** * struct sk_buff - socket buffer * @next: Next buffer in list @@ -370,7 +369,6 @@ typedef unsigned char *sk_buff_data_t; * @protocol: Packet protocol from driver * @destructor: Destruct function * @nfct: Associated connection, if any - * @nfct_reasm: netfilter conntrack re-assembly pointer * @nf_bridge: Saved data about a bridged frame - see br_netfilter.c * @skb_iif: ifindex of device we arrived on * @tc_index: Traffic control index @@ -459,9 +457,6 @@ struct sk_buff { #if defined(CONFIG_NF_CONNTRACK) || defined(CONFIG_NF_CONNTRACK_MODULE) struct nf_conntrack *nfct; #endif -#ifdef NET_SKBUFF_NF_DEFRAG_NEEDED - struct sk_buff *nfct_reasm; -#endif #ifdef CONFIG_BRIDGE_NETFILTER struct nf_bridge_info *nf_bridge; #endif @@ -585,8 +580,8 @@ static inline void skb_dst_set(struct sk_buff *skb, struct dst_entry *dst) skb->_skb_refdst = (unsigned long)dst; } -extern void __skb_dst_set_noref(struct sk_buff *skb, struct dst_entry *dst, - bool force); +void __skb_dst_set_noref(struct sk_buff *skb, struct dst_entry *dst, + bool force); /** * skb_dst_set_noref - sets skb dst, hopefully, without taking reference @@ -634,20 +629,20 @@ static inline struct rtable *skb_rtable(const struct sk_buff *skb) return (struct rtable *)skb_dst(skb); } -extern void kfree_skb(struct sk_buff *skb); -extern void kfree_skb_list(struct sk_buff *segs); -extern void skb_tx_error(struct sk_buff *skb); -extern void consume_skb(struct sk_buff *skb); -extern void __kfree_skb(struct sk_buff *skb); +void kfree_skb(struct sk_buff *skb); +void kfree_skb_list(struct sk_buff *segs); +void skb_tx_error(struct sk_buff *skb); +void consume_skb(struct sk_buff *skb); +void __kfree_skb(struct sk_buff *skb); extern struct kmem_cache *skbuff_head_cache; -extern void kfree_skb_partial(struct sk_buff *skb, bool head_stolen); -extern bool skb_try_coalesce(struct sk_buff *to, struct sk_buff *from, - bool *fragstolen, int *delta_truesize); +void kfree_skb_partial(struct sk_buff *skb, bool head_stolen); +bool skb_try_coalesce(struct sk_buff *to, struct sk_buff *from, + bool *fragstolen, int *delta_truesize); -extern struct sk_buff *__alloc_skb(unsigned int size, - gfp_t priority, int flags, int node); -extern struct sk_buff *build_skb(void *data, unsigned int frag_size); +struct sk_buff *__alloc_skb(unsigned int size, gfp_t priority, int flags, + int node); +struct sk_buff *build_skb(void *data, unsigned int frag_size); static inline struct sk_buff *alloc_skb(unsigned int size, gfp_t priority) { @@ -660,41 +655,33 @@ static inline struct sk_buff *alloc_skb_fclone(unsigned int size, return __alloc_skb(size, priority, SKB_ALLOC_FCLONE, NUMA_NO_NODE); } -extern struct sk_buff *__alloc_skb_head(gfp_t priority, int node); +struct sk_buff *__alloc_skb_head(gfp_t priority, int node); static inline struct sk_buff *alloc_skb_head(gfp_t priority) { return __alloc_skb_head(priority, -1); } -extern struct sk_buff *skb_morph(struct sk_buff *dst, struct sk_buff *src); -extern int skb_copy_ubufs(struct sk_buff *skb, gfp_t gfp_mask); -extern struct sk_buff *skb_clone(struct sk_buff *skb, - gfp_t priority); -extern struct sk_buff *skb_copy(const struct sk_buff *skb, - gfp_t priority); -extern struct sk_buff *__pskb_copy(struct sk_buff *skb, - int headroom, gfp_t gfp_mask); - -extern int pskb_expand_head(struct sk_buff *skb, - int nhead, int ntail, - gfp_t gfp_mask); -extern struct sk_buff *skb_realloc_headroom(struct sk_buff *skb, - unsigned int headroom); -extern struct sk_buff *skb_copy_expand(const struct sk_buff *skb, - int newheadroom, int newtailroom, - gfp_t priority); -extern int skb_to_sgvec(struct sk_buff *skb, - struct scatterlist *sg, int offset, - int len); -extern int skb_cow_data(struct sk_buff *skb, int tailbits, - struct sk_buff **trailer); -extern int skb_pad(struct sk_buff *skb, int pad); +struct sk_buff *skb_morph(struct sk_buff *dst, struct sk_buff *src); +int skb_copy_ubufs(struct sk_buff *skb, gfp_t gfp_mask); +struct sk_buff *skb_clone(struct sk_buff *skb, gfp_t priority); +struct sk_buff *skb_copy(const struct sk_buff *skb, gfp_t priority); +struct sk_buff *__pskb_copy(struct sk_buff *skb, int headroom, gfp_t gfp_mask); + +int pskb_expand_head(struct sk_buff *skb, int nhead, int ntail, gfp_t gfp_mask); +struct sk_buff *skb_realloc_headroom(struct sk_buff *skb, + unsigned int headroom); +struct sk_buff *skb_copy_expand(const struct sk_buff *skb, int newheadroom, + int newtailroom, gfp_t priority); +int skb_to_sgvec(struct sk_buff *skb, struct scatterlist *sg, int offset, + int len); +int skb_cow_data(struct sk_buff *skb, int tailbits, struct sk_buff **trailer); +int skb_pad(struct sk_buff *skb, int pad); #define dev_kfree_skb(a) consume_skb(a) -extern int skb_append_datato_frags(struct sock *sk, struct sk_buff *skb, - int getfrag(void *from, char *to, int offset, - int len,int odd, struct sk_buff *skb), - void *from, int length); +int skb_append_datato_frags(struct sock *sk, struct sk_buff *skb, + int getfrag(void *from, char *to, int offset, + int len, int odd, struct sk_buff *skb), + void *from, int length); struct skb_seq_state { __u32 lower_offset; @@ -706,18 +693,17 @@ struct skb_seq_state { __u8 *frag_data; }; -extern void skb_prepare_seq_read(struct sk_buff *skb, - unsigned int from, unsigned int to, - struct skb_seq_state *st); -extern unsigned int skb_seq_read(unsigned int consumed, const u8 **data, - struct skb_seq_state *st); -extern void skb_abort_seq_read(struct skb_seq_state *st); +void skb_prepare_seq_read(struct sk_buff *skb, unsigned int from, + unsigned int to, struct skb_seq_state *st); +unsigned int skb_seq_read(unsigned int consumed, const u8 **data, + struct skb_seq_state *st); +void skb_abort_seq_read(struct skb_seq_state *st); -extern unsigned int skb_find_text(struct sk_buff *skb, unsigned int from, - unsigned int to, struct ts_config *config, - struct ts_state *state); +unsigned int skb_find_text(struct sk_buff *skb, unsigned int from, + unsigned int to, struct ts_config *config, + struct ts_state *state); -extern void __skb_get_rxhash(struct sk_buff *skb); +void __skb_get_rxhash(struct sk_buff *skb); static inline __u32 skb_get_rxhash(struct sk_buff *skb) { if (!skb->l4_rxhash) @@ -1095,7 +1081,8 @@ static inline void skb_queue_head_init_class(struct sk_buff_head *list, * The "__skb_xxxx()" functions are the non-atomic ones that * can only be called with interrupts disabled. */ -extern void skb_insert(struct sk_buff *old, struct sk_buff *newsk, struct sk_buff_head *list); +void skb_insert(struct sk_buff *old, struct sk_buff *newsk, + struct sk_buff_head *list); static inline void __skb_insert(struct sk_buff *newsk, struct sk_buff *prev, struct sk_buff *next, struct sk_buff_head *list) @@ -1201,8 +1188,8 @@ static inline void __skb_queue_after(struct sk_buff_head *list, __skb_insert(newsk, prev, prev->next, list); } -extern void skb_append(struct sk_buff *old, struct sk_buff *newsk, - struct sk_buff_head *list); +void skb_append(struct sk_buff *old, struct sk_buff *newsk, + struct sk_buff_head *list); static inline void __skb_queue_before(struct sk_buff_head *list, struct sk_buff *next, @@ -1221,7 +1208,7 @@ static inline void __skb_queue_before(struct sk_buff_head *list, * * A buffer cannot be placed on two lists at the same time. */ -extern void skb_queue_head(struct sk_buff_head *list, struct sk_buff *newsk); +void skb_queue_head(struct sk_buff_head *list, struct sk_buff *newsk); static inline void __skb_queue_head(struct sk_buff_head *list, struct sk_buff *newsk) { @@ -1238,7 +1225,7 @@ static inline void __skb_queue_head(struct sk_buff_head *list, * * A buffer cannot be placed on two lists at the same time. */ -extern void skb_queue_tail(struct sk_buff_head *list, struct sk_buff *newsk); +void skb_queue_tail(struct sk_buff_head *list, struct sk_buff *newsk); static inline void __skb_queue_tail(struct sk_buff_head *list, struct sk_buff *newsk) { @@ -1249,7 +1236,7 @@ static inline void __skb_queue_tail(struct sk_buff_head *list, * remove sk_buff from list. _Must_ be called atomically, and with * the list known.. */ -extern void skb_unlink(struct sk_buff *skb, struct sk_buff_head *list); +void skb_unlink(struct sk_buff *skb, struct sk_buff_head *list); static inline void __skb_unlink(struct sk_buff *skb, struct sk_buff_head *list) { struct sk_buff *next, *prev; @@ -1270,7 +1257,7 @@ static inline void __skb_unlink(struct sk_buff *skb, struct sk_buff_head *list) * so must be used with appropriate locks held only. The head item is * returned or %NULL if the list is empty. */ -extern struct sk_buff *skb_dequeue(struct sk_buff_head *list); +struct sk_buff *skb_dequeue(struct sk_buff_head *list); static inline struct sk_buff *__skb_dequeue(struct sk_buff_head *list) { struct sk_buff *skb = skb_peek(list); @@ -1287,7 +1274,7 @@ static inline struct sk_buff *__skb_dequeue(struct sk_buff_head *list) * so must be used with appropriate locks held only. The tail item is * returned or %NULL if the list is empty. */ -extern struct sk_buff *skb_dequeue_tail(struct sk_buff_head *list); +struct sk_buff *skb_dequeue_tail(struct sk_buff_head *list); static inline struct sk_buff *__skb_dequeue_tail(struct sk_buff_head *list) { struct sk_buff *skb = skb_peek_tail(list); @@ -1361,7 +1348,7 @@ static inline void __skb_fill_page_desc(struct sk_buff *skb, int i, * @size: the length of the data * * As per __skb_fill_page_desc() -- initialises the @i'th fragment of - * @skb to point to &size bytes at offset @off within @page. In + * @skb to point to @size bytes at offset @off within @page. In * addition updates @skb such that @i is the last fragment. * * Does not take any additional reference on the fragment. @@ -1373,8 +1360,11 @@ static inline void skb_fill_page_desc(struct sk_buff *skb, int i, skb_shinfo(skb)->nr_frags = i + 1; } -extern void skb_add_rx_frag(struct sk_buff *skb, int i, struct page *page, - int off, int size, unsigned int truesize); +void skb_add_rx_frag(struct sk_buff *skb, int i, struct page *page, int off, + int size, unsigned int truesize); + +void skb_coalesce_rx_frag(struct sk_buff *skb, int i, int size, + unsigned int truesize); #define SKB_PAGE_ASSERT(skb) BUG_ON(skb_shinfo(skb)->nr_frags) #define SKB_FRAG_ASSERT(skb) BUG_ON(skb_has_frag_list(skb)) @@ -1418,7 +1408,8 @@ static inline void skb_set_tail_pointer(struct sk_buff *skb, const int offset) /* * Add data to an sk_buff */ -extern unsigned char *skb_put(struct sk_buff *skb, unsigned int len); +unsigned char *pskb_put(struct sk_buff *skb, struct sk_buff *tail, int len); +unsigned char *skb_put(struct sk_buff *skb, unsigned int len); static inline unsigned char *__skb_put(struct sk_buff *skb, unsigned int len) { unsigned char *tmp = skb_tail_pointer(skb); @@ -1428,7 +1419,7 @@ static inline unsigned char *__skb_put(struct sk_buff *skb, unsigned int len) return tmp; } -extern unsigned char *skb_push(struct sk_buff *skb, unsigned int len); +unsigned char *skb_push(struct sk_buff *skb, unsigned int len); static inline unsigned char *__skb_push(struct sk_buff *skb, unsigned int len) { skb->data -= len; @@ -1436,7 +1427,7 @@ static inline unsigned char *__skb_push(struct sk_buff *skb, unsigned int len) return skb->data; } -extern unsigned char *skb_pull(struct sk_buff *skb, unsigned int len); +unsigned char *skb_pull(struct sk_buff *skb, unsigned int len); static inline unsigned char *__skb_pull(struct sk_buff *skb, unsigned int len) { skb->len -= len; @@ -1449,7 +1440,7 @@ static inline unsigned char *skb_pull_inline(struct sk_buff *skb, unsigned int l return unlikely(len > skb->len) ? NULL : __skb_pull(skb, len); } -extern unsigned char *__pskb_pull_tail(struct sk_buff *skb, int delta); +unsigned char *__pskb_pull_tail(struct sk_buff *skb, int delta); static inline unsigned char *__pskb_pull(struct sk_buff *skb, unsigned int len) { @@ -1753,7 +1744,7 @@ static inline int pskb_network_may_pull(struct sk_buff *skb, unsigned int len) #define NET_SKB_PAD max(32, L1_CACHE_BYTES) #endif -extern int ___pskb_trim(struct sk_buff *skb, unsigned int len); +int ___pskb_trim(struct sk_buff *skb, unsigned int len); static inline void __skb_trim(struct sk_buff *skb, unsigned int len) { @@ -1765,7 +1756,7 @@ static inline void __skb_trim(struct sk_buff *skb, unsigned int len) skb_set_tail_pointer(skb, len); } -extern void skb_trim(struct sk_buff *skb, unsigned int len); +void skb_trim(struct sk_buff *skb, unsigned int len); static inline int __pskb_trim(struct sk_buff *skb, unsigned int len) { @@ -1838,7 +1829,7 @@ static inline int skb_orphan_frags(struct sk_buff *skb, gfp_t gfp_mask) * the list and one reference dropped. This function does not take the * list lock and the caller must hold the relevant locks to use it. */ -extern void skb_queue_purge(struct sk_buff_head *list); +void skb_queue_purge(struct sk_buff_head *list); static inline void __skb_queue_purge(struct sk_buff_head *list) { struct sk_buff *skb; @@ -1850,11 +1841,10 @@ static inline void __skb_queue_purge(struct sk_buff_head *list) #define NETDEV_FRAG_PAGE_MAX_SIZE (PAGE_SIZE << NETDEV_FRAG_PAGE_MAX_ORDER) #define NETDEV_PAGECNT_MAX_BIAS NETDEV_FRAG_PAGE_MAX_SIZE -extern void *netdev_alloc_frag(unsigned int fragsz); +void *netdev_alloc_frag(unsigned int fragsz); -extern struct sk_buff *__netdev_alloc_skb(struct net_device *dev, - unsigned int length, - gfp_t gfp_mask); +struct sk_buff *__netdev_alloc_skb(struct net_device *dev, unsigned int length, + gfp_t gfp_mask); /** * netdev_alloc_skb - allocate an skbuff for rx on a specific device @@ -2071,6 +2061,8 @@ static inline void skb_frag_set_page(struct sk_buff *skb, int f, __skb_frag_set_page(&skb_shinfo(skb)->frags[f], page); } +bool skb_page_frag_refill(unsigned int sz, struct page_frag *pfrag, gfp_t prio); + /** * skb_frag_dma_map - maps a paged fragment via the DMA API * @dev: the device to map the fragment to @@ -2271,24 +2263,6 @@ static inline void skb_postpull_rcsum(struct sk_buff *skb, unsigned char *skb_pull_rcsum(struct sk_buff *skb, unsigned int len); -/** - * pskb_trim_rcsum - trim received skb and update checksum - * @skb: buffer to trim - * @len: new length - * - * This is exactly the same as pskb_trim except that it ensures the - * checksum of received packets are still valid after the operation. - */ - -static inline int pskb_trim_rcsum(struct sk_buff *skb, unsigned int len) -{ - if (likely(len >= skb->len)) - return 0; - if (skb->ip_summed == CHECKSUM_COMPLETE) - skb->ip_summed = CHECKSUM_NONE; - return __pskb_trim(skb, len); -} - #define skb_queue_walk(queue, skb) \ for (skb = (queue)->next; \ skb != (struct sk_buff *)(queue); \ @@ -2342,60 +2316,70 @@ static inline void skb_frag_add_head(struct sk_buff *skb, struct sk_buff *frag) #define skb_walk_frags(skb, iter) \ for (iter = skb_shinfo(skb)->frag_list; iter; iter = iter->next) -extern struct sk_buff *__skb_recv_datagram(struct sock *sk, unsigned flags, - int *peeked, int *off, int *err); -extern struct sk_buff *skb_recv_datagram(struct sock *sk, unsigned flags, - int noblock, int *err); -extern unsigned int datagram_poll(struct file *file, struct socket *sock, - struct poll_table_struct *wait); -extern int skb_copy_datagram_iovec(const struct sk_buff *from, - int offset, struct iovec *to, - int size); -extern int skb_copy_and_csum_datagram_iovec(struct sk_buff *skb, - int hlen, - struct iovec *iov); -extern int skb_copy_datagram_from_iovec(struct sk_buff *skb, - int offset, - const struct iovec *from, - int from_offset, - int len); -extern int zerocopy_sg_from_iovec(struct sk_buff *skb, - const struct iovec *frm, - int offset, - size_t count); -extern int skb_copy_datagram_const_iovec(const struct sk_buff *from, - int offset, - const struct iovec *to, - int to_offset, - int size); -extern void skb_free_datagram(struct sock *sk, struct sk_buff *skb); -extern void skb_free_datagram_locked(struct sock *sk, - struct sk_buff *skb); -extern int skb_kill_datagram(struct sock *sk, struct sk_buff *skb, - unsigned int flags); -extern __wsum skb_checksum(const struct sk_buff *skb, int offset, - int len, __wsum csum); -extern int skb_copy_bits(const struct sk_buff *skb, int offset, - void *to, int len); -extern int skb_store_bits(struct sk_buff *skb, int offset, - const void *from, int len); -extern __wsum skb_copy_and_csum_bits(const struct sk_buff *skb, - int offset, u8 *to, int len, - __wsum csum); -extern int skb_splice_bits(struct sk_buff *skb, - unsigned int offset, - struct pipe_inode_info *pipe, - unsigned int len, - unsigned int flags); -extern void skb_copy_and_csum_dev(const struct sk_buff *skb, u8 *to); -extern void skb_split(struct sk_buff *skb, - struct sk_buff *skb1, const u32 len); -extern int skb_shift(struct sk_buff *tgt, struct sk_buff *skb, - int shiftlen); -extern void skb_scrub_packet(struct sk_buff *skb, bool xnet); - -extern struct sk_buff *skb_segment(struct sk_buff *skb, - netdev_features_t features); +struct sk_buff *__skb_recv_datagram(struct sock *sk, unsigned flags, + int *peeked, int *off, int *err); +struct sk_buff *skb_recv_datagram(struct sock *sk, unsigned flags, int noblock, + int *err); +unsigned int datagram_poll(struct file *file, struct socket *sock, + struct poll_table_struct *wait); +int skb_copy_datagram_iovec(const struct sk_buff *from, int offset, + struct iovec *to, int size); +int skb_copy_and_csum_datagram_iovec(struct sk_buff *skb, int hlen, + struct iovec *iov); +int skb_copy_datagram_from_iovec(struct sk_buff *skb, int offset, + const struct iovec *from, int from_offset, + int len); +int zerocopy_sg_from_iovec(struct sk_buff *skb, const struct iovec *frm, + int offset, size_t count); +int skb_copy_datagram_const_iovec(const struct sk_buff *from, int offset, + const struct iovec *to, int to_offset, + int size); +void skb_free_datagram(struct sock *sk, struct sk_buff *skb); +void skb_free_datagram_locked(struct sock *sk, struct sk_buff *skb); +int skb_kill_datagram(struct sock *sk, struct sk_buff *skb, unsigned int flags); +int skb_copy_bits(const struct sk_buff *skb, int offset, void *to, int len); +int skb_store_bits(struct sk_buff *skb, int offset, const void *from, int len); +__wsum skb_copy_and_csum_bits(const struct sk_buff *skb, int offset, u8 *to, + int len, __wsum csum); +int skb_splice_bits(struct sk_buff *skb, unsigned int offset, + struct pipe_inode_info *pipe, unsigned int len, + unsigned int flags); +void skb_copy_and_csum_dev(const struct sk_buff *skb, u8 *to); +void skb_split(struct sk_buff *skb, struct sk_buff *skb1, const u32 len); +int skb_shift(struct sk_buff *tgt, struct sk_buff *skb, int shiftlen); +void skb_scrub_packet(struct sk_buff *skb, bool xnet); +struct sk_buff *skb_segment(struct sk_buff *skb, netdev_features_t features); + +struct skb_checksum_ops { + __wsum (*update)(const void *mem, int len, __wsum wsum); + __wsum (*combine)(__wsum csum, __wsum csum2, int offset, int len); +}; + +__wsum __skb_checksum(const struct sk_buff *skb, int offset, int len, + __wsum csum, const struct skb_checksum_ops *ops); +__wsum skb_checksum(const struct sk_buff *skb, int offset, int len, + __wsum csum); + +/** + * pskb_trim_rcsum - trim received skb and update checksum + * @skb: buffer to trim + * @len: new length + * + * This is exactly the same as pskb_trim except that it ensures the + * checksum of received packets are still valid after the operation. + */ + +static inline int pskb_trim_rcsum(struct sk_buff *skb, unsigned int len) +{ + if (likely(len >= skb->len)) + return 0; + if (skb->ip_summed == CHECKSUM_COMPLETE) { + __wsum adj = skb_checksum(skb, len, skb->len - len, 0); + + skb->csum = csum_sub(skb->csum, adj); + } + return __pskb_trim(skb, len); +} static inline void *skb_header_pointer(const struct sk_buff *skb, int offset, int len, void *buffer) @@ -2440,7 +2424,7 @@ static inline void skb_copy_to_linear_data_offset(struct sk_buff *skb, memcpy(skb->data + offset, from, len); } -extern void skb_init(void); +void skb_init(void); static inline ktime_t skb_get_ktime(const struct sk_buff *skb) { @@ -2483,12 +2467,12 @@ static inline ktime_t net_invalid_timestamp(void) return ktime_set(0, 0); } -extern void skb_timestamping_init(void); +void skb_timestamping_init(void); #ifdef CONFIG_NETWORK_PHY_TIMESTAMPING -extern void skb_clone_tx_timestamp(struct sk_buff *skb); -extern bool skb_defer_rx_timestamp(struct sk_buff *skb); +void skb_clone_tx_timestamp(struct sk_buff *skb); +bool skb_defer_rx_timestamp(struct sk_buff *skb); #else /* CONFIG_NETWORK_PHY_TIMESTAMPING */ @@ -2529,8 +2513,8 @@ void skb_complete_tx_timestamp(struct sk_buff *skb, * generates a software time stamp (otherwise), then queues the clone * to the error queue of the socket. Errors are silently ignored. */ -extern void skb_tstamp_tx(struct sk_buff *orig_skb, - struct skb_shared_hwtstamps *hwtstamps); +void skb_tstamp_tx(struct sk_buff *orig_skb, + struct skb_shared_hwtstamps *hwtstamps); static inline void sw_tx_timestamp(struct sk_buff *skb) { @@ -2562,8 +2546,8 @@ static inline void skb_tx_timestamp(struct sk_buff *skb) */ void skb_complete_wifi_ack(struct sk_buff *skb, bool acked); -extern __sum16 __skb_checksum_complete_head(struct sk_buff *skb, int len); -extern __sum16 __skb_checksum_complete(struct sk_buff *skb); +__sum16 __skb_checksum_complete_head(struct sk_buff *skb, int len); +__sum16 __skb_checksum_complete(struct sk_buff *skb); static inline int skb_csum_unnecessary(const struct sk_buff *skb) { @@ -2593,7 +2577,7 @@ static inline __sum16 skb_checksum_complete(struct sk_buff *skb) } #if defined(CONFIG_NF_CONNTRACK) || defined(CONFIG_NF_CONNTRACK_MODULE) -extern void nf_conntrack_destroy(struct nf_conntrack *nfct); +void nf_conntrack_destroy(struct nf_conntrack *nfct); static inline void nf_conntrack_put(struct nf_conntrack *nfct) { if (nfct && atomic_dec_and_test(&nfct->use)) @@ -2605,18 +2589,6 @@ static inline void nf_conntrack_get(struct nf_conntrack *nfct) atomic_inc(&nfct->use); } #endif -#ifdef NET_SKBUFF_NF_DEFRAG_NEEDED -static inline void nf_conntrack_get_reasm(struct sk_buff *skb) -{ - if (skb) - atomic_inc(&skb->users); -} -static inline void nf_conntrack_put_reasm(struct sk_buff *skb) -{ - if (skb) - kfree_skb(skb); -} -#endif #ifdef CONFIG_BRIDGE_NETFILTER static inline void nf_bridge_put(struct nf_bridge_info *nf_bridge) { @@ -2635,10 +2607,6 @@ static inline void nf_reset(struct sk_buff *skb) nf_conntrack_put(skb->nfct); skb->nfct = NULL; #endif -#ifdef NET_SKBUFF_NF_DEFRAG_NEEDED - nf_conntrack_put_reasm(skb->nfct_reasm); - skb->nfct_reasm = NULL; -#endif #ifdef CONFIG_BRIDGE_NETFILTER nf_bridge_put(skb->nf_bridge); skb->nf_bridge = NULL; @@ -2660,10 +2628,6 @@ static inline void __nf_copy(struct sk_buff *dst, const struct sk_buff *src) nf_conntrack_get(src->nfct); dst->nfctinfo = src->nfctinfo; #endif -#ifdef NET_SKBUFF_NF_DEFRAG_NEEDED - dst->nfct_reasm = src->nfct_reasm; - nf_conntrack_get_reasm(src->nfct_reasm); -#endif #ifdef CONFIG_BRIDGE_NETFILTER dst->nf_bridge = src->nf_bridge; nf_bridge_get(src->nf_bridge); @@ -2675,9 +2639,6 @@ static inline void nf_copy(struct sk_buff *dst, const struct sk_buff *src) #if defined(CONFIG_NF_CONNTRACK) || defined(CONFIG_NF_CONNTRACK_MODULE) nf_conntrack_put(dst->nfct); #endif -#ifdef NET_SKBUFF_NF_DEFRAG_NEEDED - nf_conntrack_put_reasm(dst->nfct_reasm); -#endif #ifdef CONFIG_BRIDGE_NETFILTER nf_bridge_put(dst->nf_bridge); #endif @@ -2732,28 +2693,27 @@ static inline bool skb_rx_queue_recorded(const struct sk_buff *skb) return skb->queue_mapping != 0; } -extern u16 __skb_tx_hash(const struct net_device *dev, - const struct sk_buff *skb, - unsigned int num_tx_queues); +u16 __skb_tx_hash(const struct net_device *dev, const struct sk_buff *skb, + unsigned int num_tx_queues); -#ifdef CONFIG_XFRM static inline struct sec_path *skb_sec_path(struct sk_buff *skb) { +#ifdef CONFIG_XFRM return skb->sp; -} #else -static inline struct sec_path *skb_sec_path(struct sk_buff *skb) -{ return NULL; -} #endif +} /* Keeps track of mac header offset relative to skb->head. * It is useful for TSO of Tunneling protocol. e.g. GRE. * For non-tunnel skb it points to skb_mac_header() and for - * tunnel skb it points to outer mac header. */ + * tunnel skb it points to outer mac header. + * Keeps track of level of encapsulation of network headers. + */ struct skb_gso_cb { - int mac_offset; + int mac_offset; + int encap_level; }; #define SKB_GSO_CB(skb) ((struct skb_gso_cb *)(skb)->cb) @@ -2783,12 +2743,13 @@ static inline bool skb_is_gso(const struct sk_buff *skb) return skb_shinfo(skb)->gso_size; } +/* Note: Should be called only if skb_is_gso(skb) is true */ static inline bool skb_is_gso_v6(const struct sk_buff *skb) { return skb_shinfo(skb)->gso_type & SKB_GSO_TCPV6; } -extern void __skb_warn_lro_forwarding(const struct sk_buff *skb); +void __skb_warn_lro_forwarding(const struct sk_buff *skb); static inline bool skb_warn_if_lro(const struct sk_buff *skb) { diff --git a/include/linux/slab.h b/include/linux/slab.h index 74f105847d13..c2bba248fa63 100644 --- a/include/linux/slab.h +++ b/include/linux/slab.h @@ -53,7 +53,14 @@ * } * rcu_read_unlock(); * - * See also the comment on struct slab_rcu in mm/slab.c. + * This is useful if we need to approach a kernel structure obliquely, + * from its address obtained without the usual locking. We can lock + * the structure to stabilize it and check it's still at the given address, + * only if we can be sure that the memory has not been meanwhile reused + * for some other kind of object (which our subsystem's lock might corrupt). + * + * rcu_read_lock before reading the address, then rcu_read_unlock after + * taking the spinlock within the structure expected at that address. */ #define SLAB_DESTROY_BY_RCU 0x00080000UL /* Defer freeing slabs to RCU */ #define SLAB_MEM_SPREAD 0x00100000UL /* Spread some memory over cpuset */ diff --git a/include/linux/slab_def.h b/include/linux/slab_def.h index e9346b4f1ef4..09bfffb08a56 100644 --- a/include/linux/slab_def.h +++ b/include/linux/slab_def.h @@ -27,8 +27,8 @@ struct kmem_cache { size_t colour; /* cache colouring range */ unsigned int colour_off; /* colour offset */ - struct kmem_cache *slabp_cache; - unsigned int slab_size; + struct kmem_cache *freelist_cache; + unsigned int freelist_size; /* constructor func */ void (*ctor)(void *obj); diff --git a/include/linux/slub_def.h b/include/linux/slub_def.h index cc0b67eada42..f56bfa9e4526 100644 --- a/include/linux/slub_def.h +++ b/include/linux/slub_def.h @@ -11,7 +11,7 @@ enum stat_item { ALLOC_FASTPATH, /* Allocation from cpu slab */ ALLOC_SLOWPATH, /* Allocation by getting a new cpu slab */ - FREE_FASTPATH, /* Free to cpu slub */ + FREE_FASTPATH, /* Free to cpu slab */ FREE_SLOWPATH, /* Freeing not to cpu slab */ FREE_FROZEN, /* Freeing to frozen slab */ FREE_ADD_PARTIAL, /* Freeing moves slab to partial list */ diff --git a/include/linux/smp.h b/include/linux/smp.h index 731f5237d5f4..5da22ee42e16 100644 --- a/include/linux/smp.h +++ b/include/linux/smp.h @@ -49,6 +49,9 @@ void on_each_cpu_cond(bool (*cond_func)(int cpu, void *info), smp_call_func_t func, void *info, bool wait, gfp_t gfp_flags); +void __smp_call_function_single(int cpuid, struct call_single_data *data, + int wait); + #ifdef CONFIG_SMP #include <linux/preempt.h> @@ -95,9 +98,6 @@ int smp_call_function(smp_call_func_t func, void *info, int wait); void smp_call_function_many(const struct cpumask *mask, smp_call_func_t func, void *info, bool wait); -void __smp_call_function_single(int cpuid, struct call_single_data *data, - int wait); - int smp_call_function_any(const struct cpumask *mask, smp_call_func_t func, void *info, int wait); @@ -106,14 +106,10 @@ void kick_all_cpus_sync(void); /* * Generic and arch helpers */ -#ifdef CONFIG_USE_GENERIC_SMP_HELPERS void __init call_function_init(void); void generic_smp_call_function_single_interrupt(void); #define generic_smp_call_function_interrupt \ generic_smp_call_function_single_interrupt -#else -static inline void call_function_init(void) { } -#endif /* * Mark the boot cpu "online" so that it can call console drivers in @@ -155,12 +151,6 @@ smp_call_function_any(const struct cpumask *mask, smp_call_func_t func, static inline void kick_all_cpus_sync(void) { } -static inline void __smp_call_function_single(int cpuid, - struct call_single_data *data, int wait) -{ - on_each_cpu(data->func, data->info, wait); -} - #endif /* !SMP */ /* diff --git a/include/linux/spi/rspi.h b/include/linux/spi/rspi.h index 900f0e328235..a25bd6f65e7f 100644 --- a/include/linux/spi/rspi.h +++ b/include/linux/spi/rspi.h @@ -26,6 +26,8 @@ struct rspi_plat_data { unsigned int dma_rx_id; unsigned dma_width_16bit:1; /* DMAC read/write width = 16-bit */ + + u16 num_chipselect; }; #endif diff --git a/include/linux/spi/spi.h b/include/linux/spi/spi.h index 887116dbce2c..8c62ba74dd91 100644 --- a/include/linux/spi/spi.h +++ b/include/linux/spi/spi.h @@ -23,6 +23,7 @@ #include <linux/mod_devicetable.h> #include <linux/slab.h> #include <linux/kthread.h> +#include <linux/completion.h> /* * INTERFACES between SPI master-side drivers and SPI infrastructure. @@ -150,8 +151,7 @@ static inline void *spi_get_drvdata(struct spi_device *spi) } struct spi_message; - - +struct spi_transfer; /** * struct spi_driver - Host side "protocol" driver @@ -257,6 +257,9 @@ static inline void spi_unregister_driver(struct spi_driver *sdrv) * @queue_lock: spinlock to syncronise access to message queue * @queue: message queue * @cur_msg: the currently in-flight message + * @cur_msg_prepared: spi_prepare_message was called for the currently + * in-flight message + * @xfer_completion: used by core tranfer_one_message() * @busy: message pump is busy * @running: message pump is running * @rt: whether this queue is set to run as a realtime task @@ -274,6 +277,16 @@ static inline void spi_unregister_driver(struct spi_driver *sdrv) * @unprepare_transfer_hardware: there are currently no more messages on the * queue so the subsystem notifies the driver that it may relax the * hardware by issuing this call + * @set_cs: assert or deassert chip select, true to assert. May be called + * from interrupt context. + * @prepare_message: set up the controller to transfer a single message, + * for example doing DMA mapping. Called from threaded + * context. + * @transfer_one: transfer a single spi_transfer. When the + * driver is finished with this transfer it must call + * spi_finalize_current_transfer() so the subsystem can issue + * the next transfer + * @unprepare_message: undo any work done by prepare_message(). * @cs_gpios: Array of GPIOs to use as chip select lines; one per CS * number. Any individual value may be -ENOENT for CS lines that * are not GPIOs (driven by the SPI controller itself). @@ -388,11 +401,25 @@ struct spi_master { bool running; bool rt; bool auto_runtime_pm; + bool cur_msg_prepared; + struct completion xfer_completion; int (*prepare_transfer_hardware)(struct spi_master *master); int (*transfer_one_message)(struct spi_master *master, struct spi_message *mesg); int (*unprepare_transfer_hardware)(struct spi_master *master); + int (*prepare_message)(struct spi_master *master, + struct spi_message *message); + int (*unprepare_message)(struct spi_master *master, + struct spi_message *message); + + /* + * These hooks are for drivers that use a generic implementation + * of transfer_one_message() provied by the core. + */ + void (*set_cs)(struct spi_device *spi, bool enable); + int (*transfer_one)(struct spi_master *master, struct spi_device *spi, + struct spi_transfer *transfer); /* gpio chip select */ int *cs_gpios; @@ -428,12 +455,15 @@ extern int spi_master_resume(struct spi_master *master); /* Calls the driver make to interact with the message queue */ extern struct spi_message *spi_get_next_queued_message(struct spi_master *master); extern void spi_finalize_current_message(struct spi_master *master); +extern void spi_finalize_current_transfer(struct spi_master *master); /* the spi driver core manages memory for the spi_master classdev */ extern struct spi_master * spi_alloc_master(struct device *host, unsigned size); extern int spi_register_master(struct spi_master *master); +extern int devm_spi_register_master(struct device *dev, + struct spi_master *master); extern void spi_unregister_master(struct spi_master *master); extern struct spi_master *spi_busnum_to_master(u16 busnum); @@ -823,6 +853,33 @@ static inline ssize_t spi_w8r16(struct spi_device *spi, u8 cmd) return (status < 0) ? status : result; } +/** + * spi_w8r16be - SPI synchronous 8 bit write followed by 16 bit big-endian read + * @spi: device with which data will be exchanged + * @cmd: command to be written before data is read back + * Context: can sleep + * + * This returns the (unsigned) sixteen bit number returned by the device in cpu + * endianness, or else a negative error code. Callable only from contexts that + * can sleep. + * + * This function is similar to spi_w8r16, with the exception that it will + * convert the read 16 bit data word from big-endian to native endianness. + * + */ +static inline ssize_t spi_w8r16be(struct spi_device *spi, u8 cmd) + +{ + ssize_t status; + __be16 result; + + status = spi_write_then_read(spi, &cmd, 1, &result, 2); + if (status < 0) + return status; + + return be16_to_cpu(result); +} + /*---------------------------------------------------------------------------*/ /* diff --git a/include/linux/srcu.h b/include/linux/srcu.h index c114614ed172..9b058eecd403 100644 --- a/include/linux/srcu.h +++ b/include/linux/srcu.h @@ -237,4 +237,18 @@ static inline void srcu_read_unlock(struct srcu_struct *sp, int idx) __srcu_read_unlock(sp, idx); } +/** + * smp_mb__after_srcu_read_unlock - ensure full ordering after srcu_read_unlock + * + * Converts the preceding srcu_read_unlock into a two-way memory barrier. + * + * Call this after srcu_read_unlock, to guarantee that all memory operations + * that occur after smp_mb__after_srcu_read_unlock will appear to happen after + * the preceding srcu_read_unlock. + */ +static inline void smp_mb__after_srcu_read_unlock(void) +{ + /* __srcu_read_unlock has smp_mb() internally so nothing to do here. */ +} + #endif diff --git a/include/linux/ssb/ssb_driver_gige.h b/include/linux/ssb/ssb_driver_gige.h index 86a12b0cb239..0688472500bb 100644 --- a/include/linux/ssb/ssb_driver_gige.h +++ b/include/linux/ssb/ssb_driver_gige.h @@ -108,6 +108,16 @@ static inline int ssb_gige_get_macaddr(struct pci_dev *pdev, u8 *macaddr) return 0; } +/* Get the device phy address */ +static inline int ssb_gige_get_phyaddr(struct pci_dev *pdev) +{ + struct ssb_gige *dev = pdev_to_ssb_gige(pdev); + if (!dev) + return -ENODEV; + + return dev->dev->bus->sprom.et0phyaddr; +} + extern int ssb_gige_pcibios_plat_dev_init(struct ssb_device *sdev, struct pci_dev *pdev); extern int ssb_gige_map_irq(struct ssb_device *sdev, @@ -174,6 +184,10 @@ static inline int ssb_gige_get_macaddr(struct pci_dev *pdev, u8 *macaddr) { return -ENODEV; } +static inline int ssb_gige_get_phyaddr(struct pci_dev *pdev) +{ + return -ENODEV; +} #endif /* CONFIG_SSB_DRIVER_GIGE */ #endif /* LINUX_SSB_DRIVER_GIGE_H_ */ diff --git a/include/linux/swapops.h b/include/linux/swapops.h index 8d4fa82bfb91..c0f75261a728 100644 --- a/include/linux/swapops.h +++ b/include/linux/swapops.h @@ -139,7 +139,8 @@ static inline void make_migration_entry_read(swp_entry_t *entry) extern void migration_entry_wait(struct mm_struct *mm, pmd_t *pmd, unsigned long address); -extern void migration_entry_wait_huge(struct mm_struct *mm, pte_t *pte); +extern void migration_entry_wait_huge(struct vm_area_struct *vma, + struct mm_struct *mm, pte_t *pte); #else #define make_migration_entry(page, write) swp_entry(0, 0) @@ -151,8 +152,8 @@ static inline int is_migration_entry(swp_entry_t swp) static inline void make_migration_entry_read(swp_entry_t *entryp) { } static inline void migration_entry_wait(struct mm_struct *mm, pmd_t *pmd, unsigned long address) { } -static inline void migration_entry_wait_huge(struct mm_struct *mm, - pte_t *pte) { } +static inline void migration_entry_wait_huge(struct vm_area_struct *vma, + struct mm_struct *mm, pte_t *pte) { } static inline int is_write_migration_entry(swp_entry_t entry) { return 0; diff --git a/include/linux/syscalls.h b/include/linux/syscalls.h index 7fac04e7ff6e..94273bbe6050 100644 --- a/include/linux/syscalls.h +++ b/include/linux/syscalls.h @@ -120,7 +120,7 @@ extern struct trace_event_functions exit_syscall_print_funcs; .class = &event_class_syscall_enter, \ .event.funcs = &enter_syscall_print_funcs, \ .data = (void *)&__syscall_meta_##sname,\ - .flags = TRACE_EVENT_FL_CAP_ANY, \ + .flags = TRACE_EVENT_FL_CAP_ANY, \ }; \ static struct ftrace_event_call __used \ __attribute__((section("_ftrace_events"))) \ @@ -134,7 +134,7 @@ extern struct trace_event_functions exit_syscall_print_funcs; .class = &event_class_syscall_exit, \ .event.funcs = &exit_syscall_print_funcs, \ .data = (void *)&__syscall_meta_##sname,\ - .flags = TRACE_EVENT_FL_CAP_ANY, \ + .flags = TRACE_EVENT_FL_CAP_ANY, \ }; \ static struct ftrace_event_call __used \ __attribute__((section("_ftrace_events"))) \ @@ -184,7 +184,8 @@ extern struct trace_event_functions exit_syscall_print_funcs; #define __PROTECT(...) asmlinkage_protect(__VA_ARGS__) #define __SYSCALL_DEFINEx(x, name, ...) \ - asmlinkage long sys##name(__MAP(x,__SC_DECL,__VA_ARGS__)); \ + asmlinkage long sys##name(__MAP(x,__SC_DECL,__VA_ARGS__)) \ + __attribute__((alias(__stringify(SyS##name)))); \ static inline long SYSC##name(__MAP(x,__SC_DECL,__VA_ARGS__)); \ asmlinkage long SyS##name(__MAP(x,__SC_LONG,__VA_ARGS__)); \ asmlinkage long SyS##name(__MAP(x,__SC_LONG,__VA_ARGS__)) \ @@ -194,7 +195,6 @@ extern struct trace_event_functions exit_syscall_print_funcs; __PROTECT(x, ret,__MAP(x,__SC_ARGS,__VA_ARGS__)); \ return ret; \ } \ - SYSCALL_ALIAS(sys##name, SyS##name); \ static inline long SYSC##name(__MAP(x,__SC_DECL,__VA_ARGS__)) asmlinkage long sys_time(time_t __user *tloc); diff --git a/include/linux/thinkpad_acpi.h b/include/linux/thinkpad_acpi.h new file mode 100644 index 000000000000..361de59a2285 --- /dev/null +++ b/include/linux/thinkpad_acpi.h @@ -0,0 +1,15 @@ +#ifndef __THINKPAD_ACPI_H__ +#define __THINKPAD_ACPI_H__ + +/* These two functions return 0 if success, or negative error code + (e g -ENODEV if no led present) */ + +enum { + TPACPI_LED_MUTE, + TPACPI_LED_MICMUTE, + TPACPI_LED_MAX, +}; + +int tpacpi_led_set(int whichled, bool on); + +#endif diff --git a/include/linux/u64_stats_sync.h b/include/linux/u64_stats_sync.h index 8da8c4e87da3..7bfabd20204c 100644 --- a/include/linux/u64_stats_sync.h +++ b/include/linux/u64_stats_sync.h @@ -67,6 +67,13 @@ struct u64_stats_sync { #endif }; + +#if BITS_PER_LONG == 32 && defined(CONFIG_SMP) +# define u64_stats_init(syncp) seqcount_init(syncp.seq) +#else +# define u64_stats_init(syncp) do { } while (0) +#endif + static inline void u64_stats_update_begin(struct u64_stats_sync *syncp) { #if BITS_PER_LONG==32 && defined(CONFIG_SMP) diff --git a/include/linux/usb/cdc_ncm.h b/include/linux/usb/cdc_ncm.h index cc25b70af33c..c3fa80745996 100644 --- a/include/linux/usb/cdc_ncm.h +++ b/include/linux/usb/cdc_ncm.h @@ -36,6 +36,9 @@ * SUCH DAMAGE. */ +#ifndef __LINUX_USB_CDC_NCM_H +#define __LINUX_USB_CDC_NCM_H + #define CDC_NCM_COMM_ALTSETTING_NCM 0 #define CDC_NCM_COMM_ALTSETTING_MBIM 1 @@ -85,22 +88,13 @@ #define cdc_ncm_data_intf_is_mbim(x) ((x)->desc.bInterfaceProtocol == USB_CDC_MBIM_PROTO_NTB) struct cdc_ncm_ctx { - struct usb_cdc_ncm_ntb_parameters ncm_parm; struct hrtimer tx_timer; struct tasklet_struct bh; const struct usb_cdc_ncm_desc *func_desc; - const struct usb_cdc_mbim_desc *mbim_desc; - const struct usb_cdc_header_desc *header_desc; - const struct usb_cdc_union_desc *union_desc; + const struct usb_cdc_mbim_desc *mbim_desc; const struct usb_cdc_ether_desc *ether_desc; - struct net_device *netdev; - struct usb_device *udev; - struct usb_host_endpoint *in_ep; - struct usb_host_endpoint *out_ep; - struct usb_host_endpoint *status_ep; - struct usb_interface *intf; struct usb_interface *control; struct usb_interface *data; @@ -113,8 +107,6 @@ struct cdc_ncm_ctx { u32 tx_timer_pending; u32 tx_curr_frame_num; - u32 rx_speed; - u32 tx_speed; u32 rx_max; u32 tx_max; u32 max_datagram_size; @@ -127,9 +119,14 @@ struct cdc_ncm_ctx { u16 connected; }; -extern u8 cdc_ncm_select_altsetting(struct usbnet *dev, struct usb_interface *intf); -extern int cdc_ncm_bind_common(struct usbnet *dev, struct usb_interface *intf, u8 data_altsetting); -extern void cdc_ncm_unbind(struct usbnet *dev, struct usb_interface *intf); -extern struct sk_buff *cdc_ncm_fill_tx_frame(struct cdc_ncm_ctx *ctx, struct sk_buff *skb, __le32 sign); -extern int cdc_ncm_rx_verify_nth16(struct cdc_ncm_ctx *ctx, struct sk_buff *skb_in); -extern int cdc_ncm_rx_verify_ndp16(struct sk_buff *skb_in, int ndpoffset); +u8 cdc_ncm_select_altsetting(struct usbnet *dev, struct usb_interface *intf); +int cdc_ncm_bind_common(struct usbnet *dev, struct usb_interface *intf, u8 data_altsetting); +void cdc_ncm_unbind(struct usbnet *dev, struct usb_interface *intf); +struct sk_buff *cdc_ncm_fill_tx_frame(struct usbnet *dev, struct sk_buff *skb, __le32 sign); +int cdc_ncm_rx_verify_nth16(struct cdc_ncm_ctx *ctx, struct sk_buff *skb_in); +int cdc_ncm_rx_verify_ndp16(struct sk_buff *skb_in, int ndpoffset); +struct sk_buff * +cdc_ncm_tx_fixup(struct usbnet *dev, struct sk_buff *skb, gfp_t flags); +int cdc_ncm_rx_fixup(struct usbnet *dev, struct sk_buff *skb_in); + +#endif /* __LINUX_USB_CDC_NCM_H */ diff --git a/include/linux/user_namespace.h b/include/linux/user_namespace.h index 4db29859464f..4836ba3c1cd8 100644 --- a/include/linux/user_namespace.h +++ b/include/linux/user_namespace.h @@ -27,6 +27,12 @@ struct user_namespace { kuid_t owner; kgid_t group; unsigned int proc_inum; + + /* Register of per-UID persistent keyrings for this namespace */ +#ifdef CONFIG_PERSISTENT_KEYRINGS + struct key *persistent_keyring_register; + struct rw_semaphore persistent_keyring_register_sem; +#endif }; extern struct user_namespace init_user_ns; diff --git a/include/linux/virtio.h b/include/linux/virtio.h index 36d36cc89329..e4abb84199be 100644 --- a/include/linux/virtio.h +++ b/include/linux/virtio.h @@ -51,11 +51,11 @@ int virtqueue_add_sgs(struct virtqueue *vq, void *data, gfp_t gfp); -void virtqueue_kick(struct virtqueue *vq); +bool virtqueue_kick(struct virtqueue *vq); bool virtqueue_kick_prepare(struct virtqueue *vq); -void virtqueue_notify(struct virtqueue *vq); +bool virtqueue_notify(struct virtqueue *vq); void *virtqueue_get_buf(struct virtqueue *vq, unsigned int *len); @@ -73,6 +73,8 @@ void *virtqueue_detach_unused_buf(struct virtqueue *vq); unsigned int virtqueue_get_vring_size(struct virtqueue *vq); +bool virtqueue_is_broken(struct virtqueue *vq); + /** * virtio_device - representation of a device using virtio * @index: unique position on the virtio bus diff --git a/include/linux/virtio_config.h b/include/linux/virtio_config.h index 29b9104232b4..e8f8f71e843c 100644 --- a/include/linux/virtio_config.h +++ b/include/linux/virtio_config.h @@ -96,33 +96,6 @@ static inline bool virtio_has_feature(const struct virtio_device *vdev, return test_bit(fbit, vdev->features); } -/** - * virtio_config_val - look for a feature and get a virtio config entry. - * @vdev: the virtio device - * @fbit: the feature bit - * @offset: the type to search for. - * @v: a pointer to the value to fill in. - * - * The return value is -ENOENT if the feature doesn't exist. Otherwise - * the config value is copied into whatever is pointed to by v. */ -#define virtio_config_val(vdev, fbit, offset, v) \ - virtio_config_buf((vdev), (fbit), (offset), (v), sizeof(*v)) - -#define virtio_config_val_len(vdev, fbit, offset, v, len) \ - virtio_config_buf((vdev), (fbit), (offset), (v), (len)) - -static inline int virtio_config_buf(struct virtio_device *vdev, - unsigned int fbit, - unsigned int offset, - void *buf, unsigned len) -{ - if (!virtio_has_feature(vdev, fbit)) - return -ENOENT; - - vdev->config->get(vdev, offset, buf, len); - return 0; -} - static inline struct virtqueue *virtio_find_single_vq(struct virtio_device *vdev, vq_callback_t *c, const char *n) @@ -162,5 +135,139 @@ int virtqueue_set_affinity(struct virtqueue *vq, int cpu) return 0; } +/* Config space accessors. */ +#define virtio_cread(vdev, structname, member, ptr) \ + do { \ + /* Must match the member's type, and be integer */ \ + if (!typecheck(typeof((((structname*)0)->member)), *(ptr))) \ + (*ptr) = 1; \ + \ + switch (sizeof(*ptr)) { \ + case 1: \ + *(ptr) = virtio_cread8(vdev, \ + offsetof(structname, member)); \ + break; \ + case 2: \ + *(ptr) = virtio_cread16(vdev, \ + offsetof(structname, member)); \ + break; \ + case 4: \ + *(ptr) = virtio_cread32(vdev, \ + offsetof(structname, member)); \ + break; \ + case 8: \ + *(ptr) = virtio_cread64(vdev, \ + offsetof(structname, member)); \ + break; \ + default: \ + BUG(); \ + } \ + } while(0) + +/* Config space accessors. */ +#define virtio_cwrite(vdev, structname, member, ptr) \ + do { \ + /* Must match the member's type, and be integer */ \ + if (!typecheck(typeof((((structname*)0)->member)), *(ptr))) \ + BUG_ON((*ptr) == 1); \ + \ + switch (sizeof(*ptr)) { \ + case 1: \ + virtio_cwrite8(vdev, \ + offsetof(structname, member), \ + *(ptr)); \ + break; \ + case 2: \ + virtio_cwrite16(vdev, \ + offsetof(structname, member), \ + *(ptr)); \ + break; \ + case 4: \ + virtio_cwrite32(vdev, \ + offsetof(structname, member), \ + *(ptr)); \ + break; \ + case 8: \ + virtio_cwrite64(vdev, \ + offsetof(structname, member), \ + *(ptr)); \ + break; \ + default: \ + BUG(); \ + } \ + } while(0) + +static inline u8 virtio_cread8(struct virtio_device *vdev, unsigned int offset) +{ + u8 ret; + vdev->config->get(vdev, offset, &ret, sizeof(ret)); + return ret; +} + +static inline void virtio_cread_bytes(struct virtio_device *vdev, + unsigned int offset, + void *buf, size_t len) +{ + vdev->config->get(vdev, offset, buf, len); +} + +static inline void virtio_cwrite8(struct virtio_device *vdev, + unsigned int offset, u8 val) +{ + vdev->config->set(vdev, offset, &val, sizeof(val)); +} + +static inline u16 virtio_cread16(struct virtio_device *vdev, + unsigned int offset) +{ + u16 ret; + vdev->config->get(vdev, offset, &ret, sizeof(ret)); + return ret; +} + +static inline void virtio_cwrite16(struct virtio_device *vdev, + unsigned int offset, u16 val) +{ + vdev->config->set(vdev, offset, &val, sizeof(val)); +} + +static inline u32 virtio_cread32(struct virtio_device *vdev, + unsigned int offset) +{ + u32 ret; + vdev->config->get(vdev, offset, &ret, sizeof(ret)); + return ret; +} + +static inline void virtio_cwrite32(struct virtio_device *vdev, + unsigned int offset, u32 val) +{ + vdev->config->set(vdev, offset, &val, sizeof(val)); +} + +static inline u64 virtio_cread64(struct virtio_device *vdev, + unsigned int offset) +{ + u64 ret; + vdev->config->get(vdev, offset, &ret, sizeof(ret)); + return ret; +} + +static inline void virtio_cwrite64(struct virtio_device *vdev, + unsigned int offset, u64 val) +{ + vdev->config->set(vdev, offset, &val, sizeof(val)); +} + +/* Conditional config space accessors. */ +#define virtio_cread_feature(vdev, fbit, structname, member, ptr) \ + ({ \ + int _r = 0; \ + if (!virtio_has_feature(vdev, fbit)) \ + _r = -ENOENT; \ + else \ + virtio_cread((vdev), structname, member, ptr); \ + _r; \ + }) #endif /* _LINUX_VIRTIO_CONFIG_H */ diff --git a/include/linux/virtio_ring.h b/include/linux/virtio_ring.h index b300787af8e0..67e06fe18c03 100644 --- a/include/linux/virtio_ring.h +++ b/include/linux/virtio_ring.h @@ -71,7 +71,7 @@ struct virtqueue *vring_new_virtqueue(unsigned int index, struct virtio_device *vdev, bool weak_barriers, void *pages, - void (*notify)(struct virtqueue *vq), + bool (*notify)(struct virtqueue *vq), void (*callback)(struct virtqueue *vq), const char *name); void vring_del_virtqueue(struct virtqueue *vq); diff --git a/include/linux/vm_event_item.h b/include/linux/vm_event_item.h index 1855f0a22add..c557c6d096de 100644 --- a/include/linux/vm_event_item.h +++ b/include/linux/vm_event_item.h @@ -39,6 +39,7 @@ enum vm_event_item { PGPGIN, PGPGOUT, PSWPIN, PSWPOUT, PAGEOUTRUN, ALLOCSTALL, PGROTATED, #ifdef CONFIG_NUMA_BALANCING NUMA_PTE_UPDATES, + NUMA_HUGE_PTE_UPDATES, NUMA_HINT_FAULTS, NUMA_HINT_FAULTS_LOCAL, NUMA_PAGE_MIGRATE, diff --git a/include/linux/wait.h b/include/linux/wait.h index 61939ba30aa0..eaa00b10abaa 100644 --- a/include/linux/wait.h +++ b/include/linux/wait.h @@ -278,6 +278,31 @@ do { \ __ret; \ }) +#define __wait_event_cmd(wq, condition, cmd1, cmd2) \ + (void)___wait_event(wq, condition, TASK_UNINTERRUPTIBLE, 0, 0, \ + cmd1; schedule(); cmd2) + +/** + * wait_event_cmd - sleep until a condition gets true + * @wq: the waitqueue to wait on + * @condition: a C expression for the event to wait for + * cmd1: the command will be executed before sleep + * cmd2: the command will be executed after sleep + * + * The process is put to sleep (TASK_UNINTERRUPTIBLE) until the + * @condition evaluates to true. The @condition is checked each time + * the waitqueue @wq is woken up. + * + * wake_up() has to be called after changing any variable that could + * change the result of the wait condition. + */ +#define wait_event_cmd(wq, condition, cmd1, cmd2) \ +do { \ + if (condition) \ + break; \ + __wait_event_cmd(wq, condition, cmd1, cmd2); \ +} while (0) + #define __wait_event_interruptible(wq, condition) \ ___wait_event(wq, condition, TASK_INTERRUPTIBLE, 0, 0, \ schedule()) diff --git a/include/linux/writeback.h b/include/linux/writeback.h index 021b8a319b9e..fc0e4320aa6d 100644 --- a/include/linux/writeback.h +++ b/include/linux/writeback.h @@ -97,7 +97,7 @@ void writeback_inodes_sb_nr(struct super_block *, unsigned long nr, int try_to_writeback_inodes_sb(struct super_block *, enum wb_reason reason); int try_to_writeback_inodes_sb_nr(struct super_block *, unsigned long nr, enum wb_reason reason); -void sync_inodes_sb(struct super_block *); +void sync_inodes_sb(struct super_block *sb, unsigned long older_than_this); void wakeup_flusher_threads(long nr_pages, enum wb_reason reason); void inode_wait_for_writeback(struct inode *inode); |