diff options
Diffstat (limited to 'include')
48 files changed, 263 insertions, 119 deletions
diff --git a/include/asm-generic/mshyperv.h b/include/asm-generic/mshyperv.h index 402a8c1c202d..a8f4b653ef4e 100644 --- a/include/asm-generic/mshyperv.h +++ b/include/asm-generic/mshyperv.h @@ -190,7 +190,7 @@ int hv_common_cpu_die(unsigned int cpu); void *hv_alloc_hyperv_page(void); void *hv_alloc_hyperv_zeroed_page(void); -void hv_free_hyperv_page(unsigned long addr); +void hv_free_hyperv_page(void *addr); /** * hv_cpu_number_to_vp_number() - Map CPU to VP. diff --git a/include/asm-generic/word-at-a-time.h b/include/asm-generic/word-at-a-time.h index 20c93f08c993..95a1d214108a 100644 --- a/include/asm-generic/word-at-a-time.h +++ b/include/asm-generic/word-at-a-time.h @@ -38,7 +38,7 @@ static inline long find_zero(unsigned long mask) return (mask >> 8) ? byte : byte + 1; } -static inline bool has_zero(unsigned long val, unsigned long *data, const struct word_at_a_time *c) +static inline unsigned long has_zero(unsigned long val, unsigned long *data, const struct word_at_a_time *c) { unsigned long rhs = val | c->low_bits; *data = rhs; diff --git a/include/drm/drm_fb_helper.h b/include/drm/drm_fb_helper.h index 4863b0f8299e..375737fd6c36 100644 --- a/include/drm/drm_fb_helper.h +++ b/include/drm/drm_fb_helper.h @@ -368,11 +368,6 @@ static inline void drm_fb_helper_deferred_io(struct fb_info *info, { } -static inline int drm_fb_helper_defio_init(struct drm_fb_helper *fb_helper) -{ - return -ENODEV; -} - static inline void drm_fb_helper_set_suspend(struct drm_fb_helper *fb_helper, bool suspend) { diff --git a/include/kvm/arm_vgic.h b/include/kvm/arm_vgic.h index 402b545959af..5b27f94d4fad 100644 --- a/include/kvm/arm_vgic.h +++ b/include/kvm/arm_vgic.h @@ -431,7 +431,7 @@ int kvm_vgic_v4_unset_forwarding(struct kvm *kvm, int irq, int vgic_v4_load(struct kvm_vcpu *vcpu); void vgic_v4_commit(struct kvm_vcpu *vcpu); -int vgic_v4_put(struct kvm_vcpu *vcpu, bool need_db); +int vgic_v4_put(struct kvm_vcpu *vcpu); /* CPU HP callbacks */ void kvm_vgic_cpu_up(void); diff --git a/include/linux/blk-mq.h b/include/linux/blk-mq.h index b96e00499f9e..495ca198775f 100644 --- a/include/linux/blk-mq.h +++ b/include/linux/blk-mq.h @@ -397,8 +397,6 @@ struct blk_mq_hw_ctx { */ struct blk_mq_tags *sched_tags; - /** @queued: Number of queued requests. */ - unsigned long queued; /** @run: Number of dispatched requests. */ unsigned long run; diff --git a/include/linux/cpumask.h b/include/linux/cpumask.h index 0d2e2a38b92d..f10fb87d49db 100644 --- a/include/linux/cpumask.h +++ b/include/linux/cpumask.h @@ -175,8 +175,8 @@ static inline unsigned int cpumask_first_zero(const struct cpumask *srcp) /** * cpumask_first_and - return the first cpu from *srcp1 & *srcp2 - * @src1p: the first input - * @src2p: the second input + * @srcp1: the first input + * @srcp2: the second input * * Returns >= nr_cpu_ids if no cpus set in both. See also cpumask_next_and(). */ @@ -1197,6 +1197,10 @@ cpumap_print_bitmask_to_buf(char *buf, const struct cpumask *mask, /** * cpumap_print_list_to_buf - copies the cpumask into the buffer as * comma-separated list of cpus + * @buf: the buffer to copy into + * @mask: the cpumask to copy + * @off: in the string from which we are copying, we copy to @buf + * @count: the maximum number of bytes to print * * Everything is same with the above cpumap_print_bitmask_to_buf() * except the print format. diff --git a/include/linux/fs.h b/include/linux/fs.h index 6867512907d6..562f2623c9c9 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -1780,7 +1780,6 @@ struct file_operations { ssize_t (*write_iter) (struct kiocb *, struct iov_iter *); int (*iopoll)(struct kiocb *kiocb, struct io_comp_batch *, unsigned int flags); - int (*iterate) (struct file *, struct dir_context *); int (*iterate_shared) (struct file *, struct dir_context *); __poll_t (*poll) (struct file *, struct poll_table_struct *); long (*unlocked_ioctl) (struct file *, unsigned int, unsigned long); @@ -1817,6 +1816,13 @@ struct file_operations { unsigned int poll_flags); } __randomize_layout; +/* Wrap a directory iterator that needs exclusive inode access */ +int wrap_directory_iterator(struct file *, struct dir_context *, + int (*) (struct file *, struct dir_context *)); +#define WRAP_DIR_ITER(x) \ + static int shared_##x(struct file *file , struct dir_context *ctx) \ + { return wrap_directory_iterator(file, ctx, x); } + struct inode_operations { struct dentry * (*lookup) (struct inode *,struct dentry *, unsigned int); const char * (*get_link) (struct dentry *, struct inode *, struct delayed_call *); diff --git a/include/linux/ftrace.h b/include/linux/ftrace.h index ce156c7704ee..aad9cf8876b5 100644 --- a/include/linux/ftrace.h +++ b/include/linux/ftrace.h @@ -684,7 +684,6 @@ void __init ftrace_set_early_filter(struct ftrace_ops *ops, char *buf, int enable); /* defined in arch */ -extern int ftrace_ip_converted(unsigned long ip); extern int ftrace_dyn_arch_init(void); extern void ftrace_replace_code(int enable); extern int ftrace_update_ftrace_func(ftrace_func_t func); @@ -859,9 +858,6 @@ static inline int ftrace_modify_call(struct dyn_ftrace *rec, unsigned long old_a } #endif -/* May be defined in arch */ -extern int ftrace_arch_read_dyn_info(char *buf, int size); - extern int skip_trace(unsigned long ip); extern void ftrace_module_init(struct module *mod); extern void ftrace_module_enable(struct module *mod); diff --git a/include/linux/hyperv.h b/include/linux/hyperv.h index bfbc37ce223b..3ac3974b3c78 100644 --- a/include/linux/hyperv.h +++ b/include/linux/hyperv.h @@ -1239,9 +1239,6 @@ extern int vmbus_recvpacket_raw(struct vmbus_channel *channel, u32 *buffer_actual_len, u64 *requestid); - -extern void vmbus_ontimer(unsigned long data); - /* Base driver object */ struct hv_driver { const char *name; diff --git a/include/linux/intel_rapl.h b/include/linux/intel_rapl.h index e6936cb25047..33f21bd85dbf 100644 --- a/include/linux/intel_rapl.h +++ b/include/linux/intel_rapl.h @@ -100,10 +100,16 @@ struct rapl_package; #define RAPL_DOMAIN_NAME_LENGTH 16 +union rapl_reg { + void __iomem *mmio; + u32 msr; + u64 val; +}; + struct rapl_domain { char name[RAPL_DOMAIN_NAME_LENGTH]; enum rapl_domain_type id; - u64 regs[RAPL_DOMAIN_REG_MAX]; + union rapl_reg regs[RAPL_DOMAIN_REG_MAX]; struct powercap_zone power_zone; struct rapl_domain_data rdd; struct rapl_power_limit rpl[NR_POWER_LIMITS]; @@ -116,7 +122,7 @@ struct rapl_domain { }; struct reg_action { - u64 reg; + union rapl_reg reg; u64 mask; u64 value; int err; @@ -143,8 +149,8 @@ struct rapl_if_priv { enum rapl_if_type type; struct powercap_control_type *control_type; enum cpuhp_state pcap_rapl_online; - u64 reg_unit; - u64 regs[RAPL_DOMAIN_MAX][RAPL_DOMAIN_REG_MAX]; + union rapl_reg reg_unit; + union rapl_reg regs[RAPL_DOMAIN_MAX][RAPL_DOMAIN_REG_MAX]; int limits[RAPL_DOMAIN_MAX]; int (*read_raw)(int id, struct reg_action *ra); int (*write_raw)(int id, struct reg_action *ra); diff --git a/include/linux/jbd2.h b/include/linux/jbd2.h index d860499e15e4..44c298aa58d4 100644 --- a/include/linux/jbd2.h +++ b/include/linux/jbd2.h @@ -614,12 +614,6 @@ struct transaction_s struct journal_head *t_checkpoint_list; /* - * Doubly-linked circular list of all buffers submitted for IO while - * checkpointing. [j_list_lock] - */ - struct journal_head *t_checkpoint_io_list; - - /* * Doubly-linked circular list of metadata buffers being * shadowed by log IO. The IO buffers on the iobuf list and * the shadow buffers on this list match each other one for @@ -1449,6 +1443,7 @@ extern void jbd2_journal_commit_transaction(journal_t *); void __jbd2_journal_clean_checkpoint_list(journal_t *journal, bool destroy); unsigned long jbd2_journal_shrink_checkpoint_list(journal_t *journal, unsigned long *nr_to_scan); int __jbd2_journal_remove_checkpoint(struct journal_head *); +int jbd2_journal_try_remove_checkpoint(struct journal_head *jh); void jbd2_journal_destroy_checkpoint(journal_t *journal); void __jbd2_journal_insert_checkpoint(struct journal_head *, transaction_t *); diff --git a/include/linux/mm.h b/include/linux/mm.h index 2dd73e4f3d8e..406ab9ea818f 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -641,8 +641,14 @@ static inline void vma_numab_state_free(struct vm_area_struct *vma) {} */ static inline bool vma_start_read(struct vm_area_struct *vma) { - /* Check before locking. A race might cause false locked result. */ - if (vma->vm_lock_seq == READ_ONCE(vma->vm_mm->mm_lock_seq)) + /* + * Check before locking. A race might cause false locked result. + * We can use READ_ONCE() for the mm_lock_seq here, and don't need + * ACQUIRE semantics, because this is just a lockless check whose result + * we don't rely on for anything - the mm_lock_seq read against which we + * need ordering is below. + */ + if (READ_ONCE(vma->vm_lock_seq) == READ_ONCE(vma->vm_mm->mm_lock_seq)) return false; if (unlikely(down_read_trylock(&vma->vm_lock->lock) == 0)) @@ -653,8 +659,13 @@ static inline bool vma_start_read(struct vm_area_struct *vma) * False unlocked result is impossible because we modify and check * vma->vm_lock_seq under vma->vm_lock protection and mm->mm_lock_seq * modification invalidates all existing locks. + * + * We must use ACQUIRE semantics for the mm_lock_seq so that if we are + * racing with vma_end_write_all(), we only start reading from the VMA + * after it has been unlocked. + * This pairs with RELEASE semantics in vma_end_write_all(). */ - if (unlikely(vma->vm_lock_seq == READ_ONCE(vma->vm_mm->mm_lock_seq))) { + if (unlikely(vma->vm_lock_seq == smp_load_acquire(&vma->vm_mm->mm_lock_seq))) { up_read(&vma->vm_lock->lock); return false; } @@ -676,7 +687,7 @@ static bool __is_vma_write_locked(struct vm_area_struct *vma, int *mm_lock_seq) * current task is holding mmap_write_lock, both vma->vm_lock_seq and * mm->mm_lock_seq can't be concurrently modified. */ - *mm_lock_seq = READ_ONCE(vma->vm_mm->mm_lock_seq); + *mm_lock_seq = vma->vm_mm->mm_lock_seq; return (vma->vm_lock_seq == *mm_lock_seq); } @@ -688,7 +699,13 @@ static inline void vma_start_write(struct vm_area_struct *vma) return; down_write(&vma->vm_lock->lock); - vma->vm_lock_seq = mm_lock_seq; + /* + * We should use WRITE_ONCE() here because we can have concurrent reads + * from the early lockless pessimistic check in vma_start_read(). + * We don't really care about the correctness of that early check, but + * we should use WRITE_ONCE() for cleanliness and to keep KCSAN happy. + */ + WRITE_ONCE(vma->vm_lock_seq, mm_lock_seq); up_write(&vma->vm_lock->lock); } @@ -702,7 +719,7 @@ static inline bool vma_try_start_write(struct vm_area_struct *vma) if (!down_write_trylock(&vma->vm_lock->lock)) return false; - vma->vm_lock_seq = mm_lock_seq; + WRITE_ONCE(vma->vm_lock_seq, mm_lock_seq); up_write(&vma->vm_lock->lock); return true; } diff --git a/include/linux/mm_types.h b/include/linux/mm_types.h index de10fc797c8e..5e74ce4a28cd 100644 --- a/include/linux/mm_types.h +++ b/include/linux/mm_types.h @@ -514,6 +514,20 @@ struct vm_area_struct { }; #ifdef CONFIG_PER_VMA_LOCK + /* + * Can only be written (using WRITE_ONCE()) while holding both: + * - mmap_lock (in write mode) + * - vm_lock->lock (in write mode) + * Can be read reliably while holding one of: + * - mmap_lock (in read or write mode) + * - vm_lock->lock (in read or write mode) + * Can be read unreliably (using READ_ONCE()) for pessimistic bailout + * while holding nothing (except RCU to keep the VMA struct allocated). + * + * This sequence counter is explicitly allowed to overflow; sequence + * counter reuse can only lead to occasional unnecessary use of the + * slowpath. + */ int vm_lock_seq; struct vma_lock *vm_lock; @@ -679,6 +693,20 @@ struct mm_struct { * by mmlist_lock */ #ifdef CONFIG_PER_VMA_LOCK + /* + * This field has lock-like semantics, meaning it is sometimes + * accessed with ACQUIRE/RELEASE semantics. + * Roughly speaking, incrementing the sequence number is + * equivalent to releasing locks on VMAs; reading the sequence + * number can be part of taking a read lock on a VMA. + * + * Can be modified under write mmap_lock using RELEASE + * semantics. + * Can be read with no other protection when holding write + * mmap_lock. + * Can be read with ACQUIRE semantics if not holding write + * mmap_lock. + */ int mm_lock_seq; #endif diff --git a/include/linux/mmap_lock.h b/include/linux/mmap_lock.h index aab8f1b28d26..e05e167dbd16 100644 --- a/include/linux/mmap_lock.h +++ b/include/linux/mmap_lock.h @@ -76,8 +76,14 @@ static inline void mmap_assert_write_locked(struct mm_struct *mm) static inline void vma_end_write_all(struct mm_struct *mm) { mmap_assert_write_locked(mm); - /* No races during update due to exclusive mmap_lock being held */ - WRITE_ONCE(mm->mm_lock_seq, mm->mm_lock_seq + 1); + /* + * Nobody can concurrently modify mm->mm_lock_seq due to exclusive + * mmap_lock being held. + * We need RELEASE semantics here to ensure that preceding stores into + * the VMA take effect before we unlock it with this store. + * Pairs with ACQUIRE semantics in vma_start_read(). + */ + smp_store_release(&mm->mm_lock_seq, mm->mm_lock_seq + 1); } #else static inline void vma_end_write_all(struct mm_struct *mm) {} diff --git a/include/linux/nls.h b/include/linux/nls.h index 499e486b3722..e0bf8367b274 100644 --- a/include/linux/nls.h +++ b/include/linux/nls.h @@ -47,7 +47,7 @@ enum utf16_endian { /* nls_base.c */ extern int __register_nls(struct nls_table *, struct module *); extern int unregister_nls(struct nls_table *); -extern struct nls_table *load_nls(char *); +extern struct nls_table *load_nls(const char *charset); extern void unload_nls(struct nls_table *); extern struct nls_table *load_nls_default(void); #define register_nls(nls) __register_nls((nls), THIS_MODULE) diff --git a/include/linux/pm_wakeirq.h b/include/linux/pm_wakeirq.h index dd42d16945d0..d9642c6cf852 100644 --- a/include/linux/pm_wakeirq.h +++ b/include/linux/pm_wakeirq.h @@ -10,8 +10,6 @@ extern int dev_pm_set_wake_irq(struct device *dev, int irq); extern int dev_pm_set_dedicated_wake_irq(struct device *dev, int irq); extern int dev_pm_set_dedicated_wake_irq_reverse(struct device *dev, int irq); extern void dev_pm_clear_wake_irq(struct device *dev); -extern void dev_pm_enable_wake_irq(struct device *dev); -extern void dev_pm_disable_wake_irq(struct device *dev); #else /* !CONFIG_PM */ @@ -34,13 +32,5 @@ static inline void dev_pm_clear_wake_irq(struct device *dev) { } -static inline void dev_pm_enable_wake_irq(struct device *dev) -{ -} - -static inline void dev_pm_disable_wake_irq(struct device *dev) -{ -} - #endif /* CONFIG_PM */ #endif /* _LINUX_PM_WAKEIRQ_H */ diff --git a/include/linux/spi/corgi_lcd.h b/include/linux/spi/corgi_lcd.h index 0b857616919c..fc6c1515dc54 100644 --- a/include/linux/spi/corgi_lcd.h +++ b/include/linux/spi/corgi_lcd.h @@ -15,4 +15,6 @@ struct corgi_lcd_platform_data { void (*kick_battery)(void); }; +void corgi_lcd_limit_intensity(int limit); + #endif /* __LINUX_SPI_CORGI_LCD_H */ diff --git a/include/linux/spi/spi-mem.h b/include/linux/spi/spi-mem.h index 8e984d75f5b6..6b0a7dc48a4b 100644 --- a/include/linux/spi/spi-mem.h +++ b/include/linux/spi/spi-mem.h @@ -101,6 +101,7 @@ struct spi_mem_op { u8 nbytes; u8 buswidth; u8 dtr : 1; + u8 __pad : 7; u16 opcode; } cmd; @@ -108,6 +109,7 @@ struct spi_mem_op { u8 nbytes; u8 buswidth; u8 dtr : 1; + u8 __pad : 7; u64 val; } addr; @@ -115,12 +117,14 @@ struct spi_mem_op { u8 nbytes; u8 buswidth; u8 dtr : 1; + u8 __pad : 7; } dummy; struct { u8 buswidth; u8 dtr : 1; u8 ecc : 1; + u8 __pad : 6; enum spi_mem_data_dir dir; unsigned int nbytes; union { diff --git a/include/linux/tcp.h b/include/linux/tcp.h index b4c08ac86983..91a37c99ba66 100644 --- a/include/linux/tcp.h +++ b/include/linux/tcp.h @@ -513,7 +513,7 @@ static inline void fastopen_queue_tune(struct sock *sk, int backlog) struct request_sock_queue *queue = &inet_csk(sk)->icsk_accept_queue; int somaxconn = READ_ONCE(sock_net(sk)->core.sysctl_somaxconn); - queue->fastopenq.max_qlen = min_t(unsigned int, backlog, somaxconn); + WRITE_ONCE(queue->fastopenq.max_qlen, min_t(unsigned int, backlog, somaxconn)); } static inline void tcp_move_syn(struct tcp_sock *tp, diff --git a/include/linux/thermal.h b/include/linux/thermal.h index 87837094d549..dee66ade89a0 100644 --- a/include/linux/thermal.h +++ b/include/linux/thermal.h @@ -301,14 +301,14 @@ int thermal_acpi_critical_trip_temp(struct acpi_device *adev, int *ret_temp); #ifdef CONFIG_THERMAL struct thermal_zone_device *thermal_zone_device_register(const char *, int, int, void *, struct thermal_zone_device_ops *, - struct thermal_zone_params *, int, int); + const struct thermal_zone_params *, int, int); void thermal_zone_device_unregister(struct thermal_zone_device *); struct thermal_zone_device * thermal_zone_device_register_with_trips(const char *, struct thermal_trip *, int, int, void *, struct thermal_zone_device_ops *, - struct thermal_zone_params *, int, int); + const struct thermal_zone_params *, int, int); void *thermal_zone_device_priv(struct thermal_zone_device *tzd); const char *thermal_zone_device_type(struct thermal_zone_device *tzd); @@ -348,7 +348,7 @@ void thermal_zone_device_critical(struct thermal_zone_device *tz); static inline struct thermal_zone_device *thermal_zone_device_register( const char *type, int trips, int mask, void *devdata, struct thermal_zone_device_ops *ops, - struct thermal_zone_params *tzp, + const struct thermal_zone_params *tzp, int passive_delay, int polling_delay) { return ERR_PTR(-ENODEV); } static inline void thermal_zone_device_unregister( diff --git a/include/linux/tpm.h b/include/linux/tpm.h index 6a1e8f157255..4ee9d13749ad 100644 --- a/include/linux/tpm.h +++ b/include/linux/tpm.h @@ -283,6 +283,7 @@ enum tpm_chip_flags { TPM_CHIP_FLAG_FIRMWARE_POWER_MANAGED = BIT(6), TPM_CHIP_FLAG_FIRMWARE_UPGRADE = BIT(7), TPM_CHIP_FLAG_SUSPENDED = BIT(8), + TPM_CHIP_FLAG_HWRNG_DISABLED = BIT(9), }; #define to_tpm_chip(d) container_of(d, struct tpm_chip, dev) diff --git a/include/net/bluetooth/hci_core.h b/include/net/bluetooth/hci_core.h index 9654567cfae3..e01d52cb668c 100644 --- a/include/net/bluetooth/hci_core.h +++ b/include/net/bluetooth/hci_core.h @@ -593,9 +593,7 @@ struct hci_dev { const char *fw_info; struct dentry *debugfs; -#ifdef CONFIG_DEV_COREDUMP struct hci_devcoredump dump; -#endif struct device dev; @@ -822,6 +820,7 @@ struct hci_conn_params { struct hci_conn *conn; bool explicit_connect; + /* Accessed without hdev->lock: */ hci_conn_flags_t flags; u8 privacy_mode; }; @@ -1573,7 +1572,11 @@ struct hci_conn_params *hci_conn_params_add(struct hci_dev *hdev, bdaddr_t *addr, u8 addr_type); void hci_conn_params_del(struct hci_dev *hdev, bdaddr_t *addr, u8 addr_type); void hci_conn_params_clear_disabled(struct hci_dev *hdev); +void hci_conn_params_free(struct hci_conn_params *param); +void hci_pend_le_list_del_init(struct hci_conn_params *param); +void hci_pend_le_list_add(struct hci_conn_params *param, + struct list_head *list); struct hci_conn_params *hci_pend_le_action_lookup(struct list_head *list, bdaddr_t *addr, u8 addr_type); diff --git a/include/net/bonding.h b/include/net/bonding.h index b57bec6e737e..30ac427cf0c6 100644 --- a/include/net/bonding.h +++ b/include/net/bonding.h @@ -277,7 +277,7 @@ struct bond_vlan_tag { unsigned short vlan_id; }; -/** +/* * Returns NULL if the net_device does not belong to any of the bond's slaves * * Caller must hold bond lock for read diff --git a/include/net/cfg802154.h b/include/net/cfg802154.h index e00057984489..f79ce133e51a 100644 --- a/include/net/cfg802154.h +++ b/include/net/cfg802154.h @@ -170,7 +170,8 @@ wpan_phy_cca_cmp(const struct wpan_phy_cca *a, const struct wpan_phy_cca *b) } /** - * @WPAN_PHY_FLAG_TRANSMIT_POWER: Indicates that transceiver will support + * enum wpan_phy_flags - WPAN PHY state flags + * @WPAN_PHY_FLAG_TXPOWER: Indicates that transceiver will support * transmit power setting. * @WPAN_PHY_FLAG_CCA_ED_LEVEL: Indicates that transceiver will support cca ed * level setting. diff --git a/include/net/codel.h b/include/net/codel.h index 5fed2f16cb8d..aa80f744826c 100644 --- a/include/net/codel.h +++ b/include/net/codel.h @@ -145,8 +145,8 @@ struct codel_vars { * @maxpacket: largest packet we've seen so far * @drop_count: temp count of dropped packets in dequeue() * @drop_len: bytes of dropped packets in dequeue() - * ecn_mark: number of packets we ECN marked instead of dropping - * ce_mark: number of packets CE marked because sojourn time was above ce_threshold + * @ecn_mark: number of packets we ECN marked instead of dropping + * @ce_mark: number of packets CE marked because sojourn time was above ce_threshold */ struct codel_stats { u32 maxpacket; diff --git a/include/net/devlink.h b/include/net/devlink.h index 9a3c51aa6e81..0cdb4b16e5b5 100644 --- a/include/net/devlink.h +++ b/include/net/devlink.h @@ -221,7 +221,7 @@ struct devlink_dpipe_field { /** * struct devlink_dpipe_header - dpipe header object * @name: header name - * @id: index, global/local detrmined by global bit + * @id: index, global/local determined by global bit * @fields: fields * @fields_count: number of fields * @global: indicates if header is shared like most protocol header @@ -241,7 +241,7 @@ struct devlink_dpipe_header { * @header_index: header index (packets can have several headers of same * type like in case of tunnels) * @header: header - * @fieled_id: field index + * @field_id: field index */ struct devlink_dpipe_match { enum devlink_dpipe_match_type type; @@ -256,7 +256,7 @@ struct devlink_dpipe_match { * @header_index: header index (packets can have several headers of same * type like in case of tunnels) * @header: header - * @fieled_id: field index + * @field_id: field index */ struct devlink_dpipe_action { enum devlink_dpipe_action_type type; @@ -292,7 +292,7 @@ struct devlink_dpipe_value { * struct devlink_dpipe_entry - table entry object * @index: index of the entry in the table * @match_values: match values - * @matche_values_count: count of matches tuples + * @match_values_count: count of matches tuples * @action_values: actions values * @action_values_count: count of actions values * @counter: value of counter @@ -342,7 +342,9 @@ struct devlink_dpipe_table_ops; */ struct devlink_dpipe_table { void *priv; + /* private: */ struct list_head list; + /* public: */ const char *name; bool counters_enabled; bool counter_control_extern; @@ -355,13 +357,13 @@ struct devlink_dpipe_table { /** * struct devlink_dpipe_table_ops - dpipe_table ops - * @actions_dump - dumps all tables actions - * @matches_dump - dumps all tables matches - * @entries_dump - dumps all active entries in the table - * @counters_set_update - when changing the counter status hardware sync + * @actions_dump: dumps all tables actions + * @matches_dump: dumps all tables matches + * @entries_dump: dumps all active entries in the table + * @counters_set_update: when changing the counter status hardware sync * maybe needed to allocate/free counter related * resources - * @size_get - get size + * @size_get: get size */ struct devlink_dpipe_table_ops { int (*actions_dump)(void *priv, struct sk_buff *skb); @@ -374,8 +376,8 @@ struct devlink_dpipe_table_ops { /** * struct devlink_dpipe_headers - dpipe headers - * @headers - header array can be shared (global bit) or driver specific - * @headers_count - count of headers + * @headers: header array can be shared (global bit) or driver specific + * @headers_count: count of headers */ struct devlink_dpipe_headers { struct devlink_dpipe_header **headers; @@ -387,7 +389,7 @@ struct devlink_dpipe_headers { * @size_min: minimum size which can be set * @size_max: maximum size which can be set * @size_granularity: size granularity - * @size_unit: resource's basic unit + * @unit: resource's basic unit */ struct devlink_resource_size_params { u64 size_min; @@ -457,6 +459,7 @@ struct devlink_flash_notify { /** * struct devlink_param - devlink configuration parameter data + * @id: devlink parameter id number * @name: name of the parameter * @generic: indicates if the parameter is generic or driver specific * @type: parameter type @@ -632,6 +635,7 @@ enum devlink_param_generic_id { * struct devlink_flash_update_params - Flash Update parameters * @fw: pointer to the firmware data to update from * @component: the flash component to update + * @overwrite_mask: which types of flash update are supported (may be %0) * * With the exception of fw, drivers must opt-in to parameters by * setting the appropriate bit in the supported_flash_update_params field in diff --git a/include/net/gro.h b/include/net/gro.h index 75efa6fb8441..88644b3ca660 100644 --- a/include/net/gro.h +++ b/include/net/gro.h @@ -452,6 +452,49 @@ static inline void gro_normal_one(struct napi_struct *napi, struct sk_buff *skb, gro_normal_list(napi); } +/* This function is the alternative of 'inet_iif' and 'inet_sdif' + * functions in case we can not rely on fields of IPCB. + * + * The caller must verify skb_valid_dst(skb) is false and skb->dev is initialized. + * The caller must hold the RCU read lock. + */ +static inline void inet_get_iif_sdif(const struct sk_buff *skb, int *iif, int *sdif) +{ + *iif = inet_iif(skb) ?: skb->dev->ifindex; + *sdif = 0; + +#if IS_ENABLED(CONFIG_NET_L3_MASTER_DEV) + if (netif_is_l3_slave(skb->dev)) { + struct net_device *master = netdev_master_upper_dev_get_rcu(skb->dev); + + *sdif = *iif; + *iif = master ? master->ifindex : 0; + } +#endif +} + +/* This function is the alternative of 'inet6_iif' and 'inet6_sdif' + * functions in case we can not rely on fields of IP6CB. + * + * The caller must verify skb_valid_dst(skb) is false and skb->dev is initialized. + * The caller must hold the RCU read lock. + */ +static inline void inet6_get_iif_sdif(const struct sk_buff *skb, int *iif, int *sdif) +{ + /* using skb->dev->ifindex because skb_dst(skb) is not initialized */ + *iif = skb->dev->ifindex; + *sdif = 0; + +#if IS_ENABLED(CONFIG_NET_L3_MASTER_DEV) + if (netif_is_l3_slave(skb->dev)) { + struct net_device *master = netdev_master_upper_dev_get_rcu(skb->dev); + + *sdif = *iif; + *iif = master ? master->ifindex : 0; + } +#endif +} + extern struct list_head offload_base; #endif /* _NET_IPV6_GRO_H */ diff --git a/include/net/inet_frag.h b/include/net/inet_frag.h index 325ad893f624..153960663ce4 100644 --- a/include/net/inet_frag.h +++ b/include/net/inet_frag.h @@ -29,7 +29,7 @@ struct fqdir { }; /** - * fragment queue flags + * enum: fragment queue flags * * @INET_FRAG_FIRST_IN: first fragment has arrived * @INET_FRAG_LAST_IN: final fragment has arrived diff --git a/include/net/inet_sock.h b/include/net/inet_sock.h index caa20a905531..0bb32bfc6183 100644 --- a/include/net/inet_sock.h +++ b/include/net/inet_sock.h @@ -107,11 +107,12 @@ static inline struct inet_request_sock *inet_rsk(const struct request_sock *sk) static inline u32 inet_request_mark(const struct sock *sk, struct sk_buff *skb) { - if (!sk->sk_mark && - READ_ONCE(sock_net(sk)->ipv4.sysctl_tcp_fwmark_accept)) + u32 mark = READ_ONCE(sk->sk_mark); + + if (!mark && READ_ONCE(sock_net(sk)->ipv4.sysctl_tcp_fwmark_accept)) return skb->mark; - return sk->sk_mark; + return mark; } static inline int inet_request_bound_dev_if(const struct sock *sk, diff --git a/include/net/ip.h b/include/net/ip.h index 50d435855ae2..332521170d9b 100644 --- a/include/net/ip.h +++ b/include/net/ip.h @@ -93,7 +93,7 @@ static inline void ipcm_init_sk(struct ipcm_cookie *ipcm, { ipcm_init(ipcm); - ipcm->sockc.mark = inet->sk.sk_mark; + ipcm->sockc.mark = READ_ONCE(inet->sk.sk_mark); ipcm->sockc.tsflags = inet->sk.sk_tsflags; ipcm->oif = READ_ONCE(inet->sk.sk_bound_dev_if); ipcm->addr = inet->inet_saddr; diff --git a/include/net/ipv6.h b/include/net/ipv6.h index 7332296eca44..2acc4c808d45 100644 --- a/include/net/ipv6.h +++ b/include/net/ipv6.h @@ -752,12 +752,8 @@ static inline u32 ipv6_addr_hash(const struct in6_addr *a) /* more secured version of ipv6_addr_hash() */ static inline u32 __ipv6_addr_jhash(const struct in6_addr *a, const u32 initval) { - u32 v = (__force u32)a->s6_addr32[0] ^ (__force u32)a->s6_addr32[1]; - - return jhash_3words(v, - (__force u32)a->s6_addr32[2], - (__force u32)a->s6_addr32[3], - initval); + return jhash2((__force const u32 *)a->s6_addr32, + ARRAY_SIZE(a->s6_addr32), initval); } static inline bool ipv6_addr_loopback(const struct in6_addr *a) diff --git a/include/net/llc_conn.h b/include/net/llc_conn.h index 2c1ea3414640..374411b3066c 100644 --- a/include/net/llc_conn.h +++ b/include/net/llc_conn.h @@ -111,7 +111,7 @@ void llc_conn_resend_i_pdu_as_cmd(struct sock *sk, u8 nr, u8 first_p_bit); void llc_conn_resend_i_pdu_as_rsp(struct sock *sk, u8 nr, u8 first_f_bit); int llc_conn_remove_acked_pdus(struct sock *conn, u8 nr, u16 *how_many_unacked); struct sock *llc_lookup_established(struct llc_sap *sap, struct llc_addr *daddr, - struct llc_addr *laddr); + struct llc_addr *laddr, const struct net *net); void llc_sap_add_socket(struct llc_sap *sap, struct sock *sk); void llc_sap_remove_socket(struct llc_sap *sap, struct sock *sk); diff --git a/include/net/llc_pdu.h b/include/net/llc_pdu.h index 49aa79c7b278..7e73f8e5e497 100644 --- a/include/net/llc_pdu.h +++ b/include/net/llc_pdu.h @@ -269,7 +269,7 @@ static inline void llc_pdu_decode_sa(struct sk_buff *skb, u8 *sa) /** * llc_pdu_decode_da - extracts dest address of input frame * @skb: input skb that destination address must be extracted from it - * @sa: pointer to destination address (6 byte array). + * @da: pointer to destination address (6 byte array). * * This function extracts destination address(MAC) of input frame. */ @@ -321,7 +321,7 @@ static inline void llc_pdu_init_as_ui_cmd(struct sk_buff *skb) /** * llc_pdu_init_as_test_cmd - sets PDU as TEST - * @skb - Address of the skb to build + * @skb: Address of the skb to build * * Sets a PDU as TEST */ @@ -369,6 +369,8 @@ struct llc_xid_info { /** * llc_pdu_init_as_xid_cmd - sets bytes 3, 4 & 5 of LLC header as XID * @skb: input skb that header must be set into it. + * @svcs_supported: The class of the LLC (I or II) + * @rx_window: The size of the receive window of the LLC * * This function sets third,fourth,fifth and sixth bytes of LLC header as * a XID PDU. diff --git a/include/net/nsh.h b/include/net/nsh.h index 350b1ad11c7f..16a751093896 100644 --- a/include/net/nsh.h +++ b/include/net/nsh.h @@ -192,7 +192,7 @@ /** * struct nsh_md1_ctx - Keeps track of NSH context data - * @nshc<1-4>: NSH Contexts. + * @context: NSH Contexts. */ struct nsh_md1_ctx { __be32 context[4]; diff --git a/include/net/pie.h b/include/net/pie.h index 3fe2361e03b4..01cbc66825a4 100644 --- a/include/net/pie.h +++ b/include/net/pie.h @@ -17,7 +17,7 @@ /** * struct pie_params - contains pie parameters * @target: target delay in pschedtime - * @tudpate: interval at which drop probability is calculated + * @tupdate: interval at which drop probability is calculated * @limit: total number of packets that can be in the queue * @alpha: parameter to control drop probability * @beta: parameter to control drop probability diff --git a/include/net/route.h b/include/net/route.h index 5a5c726472bd..8c2a8e7d8f8e 100644 --- a/include/net/route.h +++ b/include/net/route.h @@ -168,7 +168,7 @@ static inline struct rtable *ip_route_output_ports(struct net *net, struct flowi __be16 dport, __be16 sport, __u8 proto, __u8 tos, int oif) { - flowi4_init_output(fl4, oif, sk ? sk->sk_mark : 0, tos, + flowi4_init_output(fl4, oif, sk ? READ_ONCE(sk->sk_mark) : 0, tos, RT_SCOPE_UNIVERSE, proto, sk ? inet_sk_flowi_flags(sk) : 0, daddr, saddr, dport, sport, sock_net_uid(net, sk)); @@ -301,7 +301,7 @@ static inline void ip_route_connect_init(struct flowi4 *fl4, __be32 dst, if (inet_sk(sk)->transparent) flow_flags |= FLOWI_FLAG_ANYSRC; - flowi4_init_output(fl4, oif, sk->sk_mark, ip_sock_rt_tos(sk), + flowi4_init_output(fl4, oif, READ_ONCE(sk->sk_mark), ip_sock_rt_tos(sk), ip_sock_rt_scope(sk), protocol, flow_flags, dst, src, dport, sport, sk->sk_uid); } diff --git a/include/net/rsi_91x.h b/include/net/rsi_91x.h index 040f07b47f1f..b2283762e446 100644 --- a/include/net/rsi_91x.h +++ b/include/net/rsi_91x.h @@ -1,4 +1,4 @@ -/** +/* * Copyright (c) 2017 Redpine Signals Inc. * * Permission to use, copy, modify, and/or distribute this software for any diff --git a/include/net/tcp.h b/include/net/tcp.h index 226bce6d1e8c..0ca972ebd3dd 100644 --- a/include/net/tcp.h +++ b/include/net/tcp.h @@ -1509,25 +1509,38 @@ void tcp_leave_memory_pressure(struct sock *sk); static inline int keepalive_intvl_when(const struct tcp_sock *tp) { struct net *net = sock_net((struct sock *)tp); + int val; - return tp->keepalive_intvl ? : - READ_ONCE(net->ipv4.sysctl_tcp_keepalive_intvl); + /* Paired with WRITE_ONCE() in tcp_sock_set_keepintvl() + * and do_tcp_setsockopt(). + */ + val = READ_ONCE(tp->keepalive_intvl); + + return val ? : READ_ONCE(net->ipv4.sysctl_tcp_keepalive_intvl); } static inline int keepalive_time_when(const struct tcp_sock *tp) { struct net *net = sock_net((struct sock *)tp); + int val; - return tp->keepalive_time ? : - READ_ONCE(net->ipv4.sysctl_tcp_keepalive_time); + /* Paired with WRITE_ONCE() in tcp_sock_set_keepidle_locked() */ + val = READ_ONCE(tp->keepalive_time); + + return val ? : READ_ONCE(net->ipv4.sysctl_tcp_keepalive_time); } static inline int keepalive_probes(const struct tcp_sock *tp) { struct net *net = sock_net((struct sock *)tp); + int val; - return tp->keepalive_probes ? : - READ_ONCE(net->ipv4.sysctl_tcp_keepalive_probes); + /* Paired with WRITE_ONCE() in tcp_sock_set_keepcnt() + * and do_tcp_setsockopt(). + */ + val = READ_ONCE(tp->keepalive_probes); + + return val ? : READ_ONCE(net->ipv4.sysctl_tcp_keepalive_probes); } static inline u32 keepalive_time_elapsed(const struct tcp_sock *tp) @@ -2048,7 +2061,11 @@ void __tcp_v4_send_check(struct sk_buff *skb, __be32 saddr, __be32 daddr); static inline u32 tcp_notsent_lowat(const struct tcp_sock *tp) { struct net *net = sock_net((struct sock *)tp); - return tp->notsent_lowat ?: READ_ONCE(net->ipv4.sysctl_tcp_notsent_lowat); + u32 val; + + val = READ_ONCE(tp->notsent_lowat); + + return val ?: READ_ONCE(net->ipv4.sysctl_tcp_notsent_lowat); } bool tcp_stream_memory_free(const struct sock *sk, int wake); diff --git a/include/net/vxlan.h b/include/net/vxlan.h index 0be91ca78d3a..6a9f8a5f387c 100644 --- a/include/net/vxlan.h +++ b/include/net/vxlan.h @@ -386,10 +386,15 @@ static inline netdev_features_t vxlan_features_check(struct sk_buff *skb, return features; } -/* IP header + UDP + VXLAN + Ethernet header */ -#define VXLAN_HEADROOM (20 + 8 + 8 + 14) -/* IPv6 header + UDP + VXLAN + Ethernet header */ -#define VXLAN6_HEADROOM (40 + 8 + 8 + 14) +static inline int vxlan_headroom(u32 flags) +{ + /* VXLAN: IP4/6 header + UDP + VXLAN + Ethernet header */ + /* VXLAN-GPE: IP4/6 header + UDP + VXLAN */ + return (flags & VXLAN_F_IPV6 ? sizeof(struct ipv6hdr) : + sizeof(struct iphdr)) + + sizeof(struct udphdr) + sizeof(struct vxlanhdr) + + (flags & VXLAN_F_GPE ? 0 : ETH_HLEN); +} static inline struct vxlanhdr *vxlan_hdr(struct sk_buff *skb) { @@ -551,12 +556,12 @@ static inline void vxlan_flag_attr_error(int attrtype, } static inline bool vxlan_fdb_nh_path_select(struct nexthop *nh, - int hash, + u32 hash, struct vxlan_rdst *rdst) { struct fib_nh_common *nhc; - nhc = nexthop_path_fdb_result(nh, hash); + nhc = nexthop_path_fdb_result(nh, hash >> 1); if (unlikely(!nhc)) return false; diff --git a/include/scsi/scsi_device.h b/include/scsi/scsi_device.h index 75b2235b99e2..b9230b6add04 100644 --- a/include/scsi/scsi_device.h +++ b/include/scsi/scsi_device.h @@ -194,6 +194,7 @@ struct scsi_device { unsigned no_start_on_add:1; /* do not issue start on add */ unsigned allow_restart:1; /* issue START_UNIT in error handler */ unsigned manage_start_stop:1; /* Let HLD (sd) manage start/stop */ + unsigned no_start_on_resume:1; /* Do not issue START_STOP_UNIT on resume */ unsigned start_stop_pwr_cond:1; /* Set power cond. in START_STOP_UNIT */ unsigned no_uld_attach:1; /* disable connecting to upper level drivers */ unsigned select_no_atn:1; diff --git a/include/soc/tegra/mc.h b/include/soc/tegra/mc.h index fc3001483e62..a5ef84944a06 100644 --- a/include/soc/tegra/mc.h +++ b/include/soc/tegra/mc.h @@ -175,6 +175,9 @@ struct tegra_mc_icc_ops { int (*get_bw)(struct icc_node *node, u32 *avg, u32 *peak); }; +struct icc_node *tegra_mc_icc_xlate(struct of_phandle_args *spec, void *data); +extern const struct tegra_mc_icc_ops tegra_mc_icc_ops; + struct tegra_mc_ops { /* * @probe: Callback to set up SoC-specific bits of the memory controller. This is called diff --git a/include/trace/events/jbd2.h b/include/trace/events/jbd2.h index 8f5ee380d309..5646ae15a957 100644 --- a/include/trace/events/jbd2.h +++ b/include/trace/events/jbd2.h @@ -462,11 +462,9 @@ TRACE_EVENT(jbd2_shrink_scan_exit, TRACE_EVENT(jbd2_shrink_checkpoint_list, TP_PROTO(journal_t *journal, tid_t first_tid, tid_t tid, tid_t last_tid, - unsigned long nr_freed, unsigned long nr_scanned, - tid_t next_tid), + unsigned long nr_freed, tid_t next_tid), - TP_ARGS(journal, first_tid, tid, last_tid, nr_freed, - nr_scanned, next_tid), + TP_ARGS(journal, first_tid, tid, last_tid, nr_freed, next_tid), TP_STRUCT__entry( __field(dev_t, dev) @@ -474,7 +472,6 @@ TRACE_EVENT(jbd2_shrink_checkpoint_list, __field(tid_t, tid) __field(tid_t, last_tid) __field(unsigned long, nr_freed) - __field(unsigned long, nr_scanned) __field(tid_t, next_tid) ), @@ -484,15 +481,14 @@ TRACE_EVENT(jbd2_shrink_checkpoint_list, __entry->tid = tid; __entry->last_tid = last_tid; __entry->nr_freed = nr_freed; - __entry->nr_scanned = nr_scanned; __entry->next_tid = next_tid; ), TP_printk("dev %d,%d shrink transaction %u-%u(%u) freed %lu " - "scanned %lu next transaction %u", + "next transaction %u", MAJOR(__entry->dev), MINOR(__entry->dev), __entry->first_tid, __entry->tid, __entry->last_tid, - __entry->nr_freed, __entry->nr_scanned, __entry->next_tid) + __entry->nr_freed, __entry->next_tid) ); #endif /* _TRACE_JBD2_H */ diff --git a/include/uapi/linux/blkzoned.h b/include/uapi/linux/blkzoned.h index b80fcc9ea525..f85743ef6e7d 100644 --- a/include/uapi/linux/blkzoned.h +++ b/include/uapi/linux/blkzoned.h @@ -51,13 +51,13 @@ enum blk_zone_type { * * The Zone Condition state machine in the ZBC/ZAC standards maps the above * deinitions as: - * - ZC1: Empty | BLK_ZONE_EMPTY + * - ZC1: Empty | BLK_ZONE_COND_EMPTY * - ZC2: Implicit Open | BLK_ZONE_COND_IMP_OPEN * - ZC3: Explicit Open | BLK_ZONE_COND_EXP_OPEN - * - ZC4: Closed | BLK_ZONE_CLOSED - * - ZC5: Full | BLK_ZONE_FULL - * - ZC6: Read Only | BLK_ZONE_READONLY - * - ZC7: Offline | BLK_ZONE_OFFLINE + * - ZC4: Closed | BLK_ZONE_COND_CLOSED + * - ZC5: Full | BLK_ZONE_COND_FULL + * - ZC6: Read Only | BLK_ZONE_COND_READONLY + * - ZC7: Offline | BLK_ZONE_COND_OFFLINE * * Conditions 0x5 to 0xC are reserved by the current ZBC/ZAC spec and should * be considered invalid. diff --git a/include/uapi/linux/fuse.h b/include/uapi/linux/fuse.h index 1b9d0dfae72d..b3fcab13fcd3 100644 --- a/include/uapi/linux/fuse.h +++ b/include/uapi/linux/fuse.h @@ -206,6 +206,7 @@ * - add extension header * - add FUSE_EXT_GROUPS * - add FUSE_CREATE_SUPP_GROUP + * - add FUSE_HAS_EXPIRE_ONLY */ #ifndef _LINUX_FUSE_H @@ -369,6 +370,7 @@ struct fuse_file_lock { * FUSE_HAS_INODE_DAX: use per inode DAX * FUSE_CREATE_SUPP_GROUP: add supplementary group info to create, mkdir, * symlink and mknod (single group that matches parent) + * FUSE_HAS_EXPIRE_ONLY: kernel supports expiry-only entry invalidation */ #define FUSE_ASYNC_READ (1 << 0) #define FUSE_POSIX_LOCKS (1 << 1) @@ -406,6 +408,7 @@ struct fuse_file_lock { #define FUSE_SECURITY_CTX (1ULL << 32) #define FUSE_HAS_INODE_DAX (1ULL << 33) #define FUSE_CREATE_SUPP_GROUP (1ULL << 34) +#define FUSE_HAS_EXPIRE_ONLY (1ULL << 35) /** * CUSE INIT request/reply flags diff --git a/include/uapi/linux/if_packet.h b/include/uapi/linux/if_packet.h index 9efc42382fdb..4d0ad22f83b5 100644 --- a/include/uapi/linux/if_packet.h +++ b/include/uapi/linux/if_packet.h @@ -18,7 +18,11 @@ struct sockaddr_ll { unsigned short sll_hatype; unsigned char sll_pkttype; unsigned char sll_halen; - unsigned char sll_addr[8]; + union { + unsigned char sll_addr[8]; + /* Actual length is in sll_halen. */ + __DECLARE_FLEX_ARRAY(unsigned char, sll_addr_flex); + }; }; /* Packet types */ diff --git a/include/uapi/linux/pkt_cls.h b/include/uapi/linux/pkt_cls.h index 7865f5a9885b..4f3932bb712d 100644 --- a/include/uapi/linux/pkt_cls.h +++ b/include/uapi/linux/pkt_cls.h @@ -710,9 +710,11 @@ enum { TCA_FLOWER_KEY_CFM_OPT_UNSPEC, TCA_FLOWER_KEY_CFM_MD_LEVEL, TCA_FLOWER_KEY_CFM_OPCODE, - TCA_FLOWER_KEY_CFM_OPT_MAX, + __TCA_FLOWER_KEY_CFM_OPT_MAX, }; +#define TCA_FLOWER_KEY_CFM_OPT_MAX (__TCA_FLOWER_KEY_CFM_OPT_MAX - 1) + #define TCA_FLOWER_MASK_FLAGS_RANGE (1 << 0) /* Range-based match */ /* Match-all classifier */ diff --git a/include/uapi/xen/evtchn.h b/include/uapi/xen/evtchn.h index 7fbf732f168f..aef2b75f3413 100644 --- a/include/uapi/xen/evtchn.h +++ b/include/uapi/xen/evtchn.h @@ -101,4 +101,13 @@ struct ioctl_evtchn_restrict_domid { domid_t domid; }; +/* + * Bind statically allocated @port. + */ +#define IOCTL_EVTCHN_BIND_STATIC \ + _IOC(_IOC_NONE, 'E', 7, sizeof(struct ioctl_evtchn_bind)) +struct ioctl_evtchn_bind { + unsigned int port; +}; + #endif /* __LINUX_PUBLIC_EVTCHN_H__ */ diff --git a/include/xen/events.h b/include/xen/events.h index ac1281c5ead6..95970a2f7695 100644 --- a/include/xen/events.h +++ b/include/xen/events.h @@ -69,7 +69,7 @@ int xen_set_irq_priority(unsigned irq, unsigned priority); /* * Allow extra references to event channels exposed to userspace by evtchn */ -int evtchn_make_refcounted(evtchn_port_t evtchn); +int evtchn_make_refcounted(evtchn_port_t evtchn, bool is_static); int evtchn_get(evtchn_port_t evtchn); void evtchn_put(evtchn_port_t evtchn); @@ -141,4 +141,13 @@ void xen_init_IRQ(void); irqreturn_t xen_debug_interrupt(int irq, void *dev_id); +static inline void xen_evtchn_close(evtchn_port_t port) +{ + struct evtchn_close close; + + close.port = port; + if (HYPERVISOR_event_channel_op(EVTCHNOP_close, &close) != 0) + BUG(); +} + #endif /* _XEN_EVENTS_H */ |