diff options
Diffstat (limited to 'include/linux')
56 files changed, 761 insertions, 251 deletions
diff --git a/include/linux/acpi.h b/include/linux/acpi.h index d6f95bb481d4..054833939995 100644 --- a/include/linux/acpi.h +++ b/include/linux/acpi.h @@ -514,6 +514,11 @@ static inline bool has_acpi_companion(struct device *dev) return false; } +static inline void acpi_preset_companion(struct device *dev, + struct acpi_device *parent, u64 addr) +{ +} + static inline const char *acpi_dev_name(struct acpi_device *adev) { return NULL; @@ -596,11 +601,16 @@ static inline int acpi_device_modalias(struct device *dev, return -ENODEV; } -static inline bool acpi_check_dma(struct acpi_device *adev, bool *coherent) +static inline bool acpi_dma_supported(struct acpi_device *adev) { return false; } +static inline enum dev_dma_attr acpi_get_dma_attr(struct acpi_device *adev) +{ + return DEV_DMA_NOT_SUPPORTED; +} + #define ACPI_PTR(_ptr) (NULL) #endif /* !CONFIG_ACPI */ diff --git a/include/linux/atmel_tc.h b/include/linux/atmel_tc.h index b87c1c7c242a..468fdfa643f0 100644 --- a/include/linux/atmel_tc.h +++ b/include/linux/atmel_tc.h @@ -67,6 +67,7 @@ struct atmel_tc { const struct atmel_tcb_config *tcb_config; int irq[3]; struct clk *clk[3]; + struct clk *slow_clk; struct list_head node; bool allocated; }; diff --git a/include/linux/blk-mq.h b/include/linux/blk-mq.h index 83cc9d4e5455..daf17d70aeca 100644 --- a/include/linux/blk-mq.h +++ b/include/linux/blk-mq.h @@ -59,6 +59,9 @@ struct blk_mq_hw_ctx { struct blk_mq_cpu_notifier cpu_notifier; struct kobject kobj; + + unsigned long poll_invoked; + unsigned long poll_success; }; struct blk_mq_tag_set { @@ -97,6 +100,8 @@ typedef void (exit_request_fn)(void *, struct request *, unsigned int, typedef void (busy_iter_fn)(struct blk_mq_hw_ctx *, struct request *, void *, bool); typedef void (busy_tag_iter_fn)(struct request *, void *, bool); +typedef int (poll_fn)(struct blk_mq_hw_ctx *, unsigned int); + struct blk_mq_ops { /* @@ -114,6 +119,11 @@ struct blk_mq_ops { */ timeout_fn *timeout; + /* + * Called to poll for completion of a specific tag. + */ + poll_fn *poll; + softirq_done_fn *complete; /* diff --git a/include/linux/blk_types.h b/include/linux/blk_types.h index e8130138f29d..0fb65843ec1e 100644 --- a/include/linux/blk_types.h +++ b/include/linux/blk_types.h @@ -244,4 +244,28 @@ enum rq_flag_bits { #define REQ_MQ_INFLIGHT (1ULL << __REQ_MQ_INFLIGHT) #define REQ_NO_TIMEOUT (1ULL << __REQ_NO_TIMEOUT) +typedef unsigned int blk_qc_t; +#define BLK_QC_T_NONE -1U +#define BLK_QC_T_SHIFT 16 + +static inline bool blk_qc_t_valid(blk_qc_t cookie) +{ + return cookie != BLK_QC_T_NONE; +} + +static inline blk_qc_t blk_tag_to_qc_t(unsigned int tag, unsigned int queue_num) +{ + return tag | (queue_num << BLK_QC_T_SHIFT); +} + +static inline unsigned int blk_qc_t_to_queue_num(blk_qc_t cookie) +{ + return cookie >> BLK_QC_T_SHIFT; +} + +static inline unsigned int blk_qc_t_to_tag(blk_qc_t cookie) +{ + return cookie & ((1u << BLK_QC_T_SHIFT) - 1); +} + #endif /* __LINUX_BLK_TYPES_H */ diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index d045ca8487af..3fe27f8d91f0 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -209,7 +209,7 @@ static inline unsigned short req_get_ioprio(struct request *req) 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 blk_qc_t (make_request_fn) (struct request_queue *q, struct bio *bio); typedef int (prep_rq_fn) (struct request_queue *, struct request *); typedef void (unprep_rq_fn) (struct request_queue *, struct request *); @@ -487,6 +487,7 @@ struct request_queue { #define QUEUE_FLAG_DEAD 19 /* queue tear-down finished */ #define QUEUE_FLAG_INIT_DONE 20 /* queue is initialized */ #define QUEUE_FLAG_NO_SG_MERGE 21 /* don't attempt to merge SG segments*/ +#define QUEUE_FLAG_POLL 22 /* IO polling enabled if set */ #define QUEUE_FLAG_DEFAULT ((1 << QUEUE_FLAG_IO_STAT) | \ (1 << QUEUE_FLAG_STACKABLE) | \ @@ -761,7 +762,7 @@ static inline void rq_flush_dcache_pages(struct request *rq) extern int blk_register_queue(struct gendisk *disk); extern void blk_unregister_queue(struct gendisk *disk); -extern void generic_make_request(struct bio *bio); +extern blk_qc_t generic_make_request(struct bio *bio); extern void blk_rq_init(struct request_queue *q, struct request *rq); extern void blk_put_request(struct request *); extern void __blk_put_request(struct request_queue *, struct request *); @@ -814,6 +815,8 @@ extern int blk_execute_rq(struct request_queue *, struct gendisk *, extern void blk_execute_rq_nowait(struct request_queue *, struct gendisk *, struct request *, int, rq_end_io_fn *); +bool blk_poll(struct request_queue *q, blk_qc_t cookie); + static inline struct request_queue *bdev_get_queue(struct block_device *bdev) { return bdev->bd_disk->queue; /* this is never NULL */ diff --git a/include/linux/ceph/libceph.h b/include/linux/ceph/libceph.h index 397c5cd09794..3e3799cdc6e6 100644 --- a/include/linux/ceph/libceph.h +++ b/include/linux/ceph/libceph.h @@ -29,8 +29,9 @@ #define CEPH_OPT_NOSHARE (1<<1) /* don't share client with other sbs */ #define CEPH_OPT_MYIP (1<<2) /* specified my ip */ #define CEPH_OPT_NOCRC (1<<3) /* no data crc on writes */ -#define CEPH_OPT_NOMSGAUTH (1<<4) /* not require cephx message signature */ +#define CEPH_OPT_NOMSGAUTH (1<<4) /* don't require msg signing feat */ #define CEPH_OPT_TCP_NODELAY (1<<5) /* TCP_NODELAY on TCP sockets */ +#define CEPH_OPT_NOMSGSIGN (1<<6) /* don't sign msgs */ #define CEPH_OPT_DEFAULT (CEPH_OPT_TCP_NODELAY) @@ -137,6 +138,7 @@ struct ceph_client { #endif }; +#define from_msgr(ms) container_of(ms, struct ceph_client, msgr) /* diff --git a/include/linux/ceph/messenger.h b/include/linux/ceph/messenger.h index b2371d9b51fa..71b1d6cdcb5d 100644 --- a/include/linux/ceph/messenger.h +++ b/include/linux/ceph/messenger.h @@ -43,10 +43,9 @@ struct ceph_connection_operations { struct ceph_msg * (*alloc_msg) (struct ceph_connection *con, struct ceph_msg_header *hdr, int *skip); - int (*sign_message) (struct ceph_connection *con, struct ceph_msg *msg); - int (*check_message_signature) (struct ceph_connection *con, - struct ceph_msg *msg); + int (*sign_message) (struct ceph_msg *msg); + int (*check_message_signature) (struct ceph_msg *msg); }; /* use format string %s%d */ @@ -58,8 +57,6 @@ struct ceph_messenger { atomic_t stopping; possible_net_t net; - bool nocrc; - bool tcp_nodelay; /* * the global_seq counts connections i (attempt to) initiate @@ -67,9 +64,6 @@ struct ceph_messenger { */ u32 global_seq; spinlock_t global_seq_lock; - - u64 supported_features; - u64 required_features; }; enum ceph_msg_data_type { @@ -268,11 +262,7 @@ extern void ceph_msgr_exit(void); extern void ceph_msgr_flush(void); extern void ceph_messenger_init(struct ceph_messenger *msgr, - struct ceph_entity_addr *myaddr, - u64 supported_features, - u64 required_features, - bool nocrc, - bool tcp_nodelay); + struct ceph_entity_addr *myaddr); extern void ceph_messenger_fini(struct ceph_messenger *msgr); extern void ceph_con_init(struct ceph_connection *con, void *private, diff --git a/include/linux/context_tracking.h b/include/linux/context_tracking.h index 008fc67d0d96..68b575afe5f5 100644 --- a/include/linux/context_tracking.h +++ b/include/linux/context_tracking.h @@ -10,6 +10,10 @@ #ifdef CONFIG_CONTEXT_TRACKING extern void context_tracking_cpu_set(int cpu); +/* Called with interrupts disabled. */ +extern void __context_tracking_enter(enum ctx_state state); +extern void __context_tracking_exit(enum ctx_state state); + extern void context_tracking_enter(enum ctx_state state); extern void context_tracking_exit(enum ctx_state state); extern void context_tracking_user_enter(void); @@ -18,13 +22,13 @@ extern void context_tracking_user_exit(void); static inline void user_enter(void) { if (context_tracking_is_enabled()) - context_tracking_user_enter(); + context_tracking_enter(CONTEXT_USER); } static inline void user_exit(void) { if (context_tracking_is_enabled()) - context_tracking_user_exit(); + context_tracking_exit(CONTEXT_USER); } static inline enum ctx_state exception_enter(void) @@ -88,13 +92,13 @@ static inline void guest_enter(void) current->flags |= PF_VCPU; if (context_tracking_is_enabled()) - context_tracking_enter(CONTEXT_GUEST); + __context_tracking_enter(CONTEXT_GUEST); } static inline void guest_exit(void) { if (context_tracking_is_enabled()) - context_tracking_exit(CONTEXT_GUEST); + __context_tracking_exit(CONTEXT_GUEST); if (vtime_accounting_enabled()) vtime_guest_exit(current); diff --git a/include/linux/devfreq_cooling.h b/include/linux/devfreq_cooling.h new file mode 100644 index 000000000000..7adf6cc4b305 --- /dev/null +++ b/include/linux/devfreq_cooling.h @@ -0,0 +1,81 @@ +/* + * devfreq_cooling: Thermal cooling device implementation for devices using + * devfreq + * + * Copyright (C) 2014-2015 ARM Limited + * + * 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. + * + * This program is distributed "as is" WITHOUT ANY WARRANTY of any + * kind, whether express or implied; without even the implied warranty + * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#ifndef __DEVFREQ_COOLING_H__ +#define __DEVFREQ_COOLING_H__ + +#include <linux/devfreq.h> +#include <linux/thermal.h> + +#ifdef CONFIG_DEVFREQ_THERMAL + +/** + * struct devfreq_cooling_power - Devfreq cooling power ops + * @get_static_power: Take voltage, in mV, and return the static power + * in mW. If NULL, the static power is assumed + * to be 0. + * @get_dynamic_power: Take voltage, in mV, and frequency, in HZ, and + * return the dynamic power draw in mW. If NULL, + * a simple power model is used. + * @dyn_power_coeff: Coefficient for the simple dynamic power model in + * mW/(MHz mV mV). + * If get_dynamic_power() is NULL, then the + * dynamic power is calculated as + * @dyn_power_coeff * frequency * voltage^2 + */ +struct devfreq_cooling_power { + unsigned long (*get_static_power)(unsigned long voltage); + unsigned long (*get_dynamic_power)(unsigned long freq, + unsigned long voltage); + unsigned long dyn_power_coeff; +}; + +struct thermal_cooling_device * +of_devfreq_cooling_register_power(struct device_node *np, struct devfreq *df, + struct devfreq_cooling_power *dfc_power); +struct thermal_cooling_device * +of_devfreq_cooling_register(struct device_node *np, struct devfreq *df); +struct thermal_cooling_device *devfreq_cooling_register(struct devfreq *df); +void devfreq_cooling_unregister(struct thermal_cooling_device *dfc); + +#else /* !CONFIG_DEVFREQ_THERMAL */ + +struct thermal_cooling_device * +of_devfreq_cooling_register_power(struct device_node *np, struct devfreq *df, + struct devfreq_cooling_power *dfc_power) +{ + return ERR_PTR(-EINVAL); +} + +static inline struct thermal_cooling_device * +of_devfreq_cooling_register(struct device_node *np, struct devfreq *df) +{ + return ERR_PTR(-EINVAL); +} + +static inline struct thermal_cooling_device * +devfreq_cooling_register(struct devfreq *df) +{ + return ERR_PTR(-EINVAL); +} + +static inline void +devfreq_cooling_unregister(struct thermal_cooling_device *dfc) +{ +} + +#endif /* CONFIG_DEVFREQ_THERMAL */ +#endif /* __DEVFREQ_COOLING_H__ */ diff --git a/include/linux/device.h b/include/linux/device.h index 5d7bc6349930..b8f411b57dcb 100644 --- a/include/linux/device.h +++ b/include/linux/device.h @@ -604,13 +604,21 @@ typedef void (*dr_release_t)(struct device *dev, void *res); typedef int (*dr_match_t)(struct device *dev, void *res, void *match_data); #ifdef CONFIG_DEBUG_DEVRES -extern void *__devres_alloc(dr_release_t release, size_t size, gfp_t gfp, - const char *name); +extern void *__devres_alloc_node(dr_release_t release, size_t size, gfp_t gfp, + int nid, const char *name); #define devres_alloc(release, size, gfp) \ - __devres_alloc(release, size, gfp, #release) + __devres_alloc_node(release, size, gfp, NUMA_NO_NODE, #release) +#define devres_alloc_node(release, size, gfp, nid) \ + __devres_alloc_node(release, size, gfp, nid, #release) #else -extern void *devres_alloc(dr_release_t release, size_t size, gfp_t gfp); +extern void *devres_alloc_node(dr_release_t release, size_t size, gfp_t gfp, + int nid); +static inline void *devres_alloc(dr_release_t release, size_t size, gfp_t gfp) +{ + return devres_alloc_node(release, size, gfp, NUMA_NO_NODE); +} #endif + extern void devres_for_each_res(struct device *dev, dr_release_t release, dr_match_t match, void *match_data, void (*fn)(struct device *, void *, void *), diff --git a/include/linux/fb.h b/include/linux/fb.h index 41a3b11f7796..3d003805aac3 100644 --- a/include/linux/fb.h +++ b/include/linux/fb.h @@ -156,7 +156,7 @@ struct fb_cursor_user { #define FB_EVENT_GET_REQ 0x0D /* Unbind from the console if possible */ #define FB_EVENT_FB_UNBIND 0x0E -/* CONSOLE-SPECIFIC: remap all consoles to new fb - for vga switcheroo */ +/* CONSOLE-SPECIFIC: remap all consoles to new fb - for vga_switcheroo */ #define FB_EVENT_REMAP_ALL_CONSOLE 0x0F /* A hardware display blank early change occured */ #define FB_EARLY_EVENT_BLANK 0x10 diff --git a/include/linux/fence.h b/include/linux/fence.h index 39efee130d2b..bb522011383b 100644 --- a/include/linux/fence.h +++ b/include/linux/fence.h @@ -280,6 +280,22 @@ fence_is_signaled(struct fence *fence) } /** + * fence_is_later - return if f1 is chronologically later than f2 + * @f1: [in] the first fence from the same context + * @f2: [in] the second fence from the same context + * + * Returns true if f1 is chronologically later than f2. Both fences must be + * from the same context, since a seqno is not re-used across contexts. + */ +static inline bool fence_is_later(struct fence *f1, struct fence *f2) +{ + if (WARN_ON(f1->context != f2->context)) + return false; + + return f1->seqno - f2->seqno < INT_MAX; +} + +/** * fence_later - return the chronologically later fence * @f1: [in] the first fence from the same context * @f2: [in] the second fence from the same context @@ -298,14 +314,15 @@ static inline struct fence *fence_later(struct fence *f1, struct fence *f2) * set if enable_signaling wasn't called, and enabling that here is * overkill. */ - if (f2->seqno - f1->seqno <= INT_MAX) - return fence_is_signaled(f2) ? NULL : f2; - else + if (fence_is_later(f1, f2)) return fence_is_signaled(f1) ? NULL : f1; + else + return fence_is_signaled(f2) ? NULL : f2; } signed long fence_wait_timeout(struct fence *, bool intr, signed long timeout); - +signed long fence_wait_any_timeout(struct fence **fences, uint32_t count, + bool intr, signed long timeout); /** * fence_wait - sleep until the fence gets signaled diff --git a/include/linux/fs.h b/include/linux/fs.h index f3bfbd7d3fa9..3aa514254161 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -2611,7 +2611,7 @@ static inline void remove_inode_hash(struct inode *inode) extern void inode_sb_list_add(struct inode *inode); #ifdef CONFIG_BLOCK -extern void submit_bio(int, struct bio *); +extern blk_qc_t submit_bio(int, struct bio *); extern int bdev_read_only(struct block_device *); #endif extern int set_blocksize(struct block_device *, int); diff --git a/include/linux/highmem.h b/include/linux/highmem.h index 6aefcd0031a6..bb3f3297062a 100644 --- a/include/linux/highmem.h +++ b/include/linux/highmem.h @@ -78,7 +78,6 @@ static inline void __kunmap_atomic(void *addr) } #define kmap_atomic_pfn(pfn) kmap_atomic(pfn_to_page(pfn)) -#define kmap_atomic_to_page(ptr) virt_to_page(ptr) #define kmap_flush_unused() do {} while(0) #endif diff --git a/include/linux/i2c-ocores.h b/include/linux/i2c-ocores.h index 1c06b5c7c308..01edd96fe1f7 100644 --- a/include/linux/i2c-ocores.h +++ b/include/linux/i2c-ocores.h @@ -15,6 +15,7 @@ struct ocores_i2c_platform_data { u32 reg_shift; /* register offset shift value */ u32 reg_io_width; /* register io read/write width */ u32 clock_khz; /* input clock in kHz */ + bool big_endian; /* registers are big endian */ u8 num_devices; /* number of devices in the devices list */ struct i2c_board_info const *devices; /* devices connected to the bus */ }; diff --git a/include/linux/i2c/i2c-rcar.h b/include/linux/i2c/i2c-rcar.h deleted file mode 100644 index 496f5c2b23c9..000000000000 --- a/include/linux/i2c/i2c-rcar.h +++ /dev/null @@ -1,10 +0,0 @@ -#ifndef __I2C_R_CAR_H__ -#define __I2C_R_CAR_H__ - -#include <linux/platform_device.h> - -struct i2c_rcar_platform_data { - u32 bus_speed; -}; - -#endif /* __I2C_R_CAR_H__ */ diff --git a/include/linux/kdev_t.h b/include/linux/kdev_t.h index c838abe3ee0a..052c7b32cc91 100644 --- a/include/linux/kdev_t.h +++ b/include/linux/kdev_t.h @@ -20,7 +20,7 @@ }) /* acceptable for old filesystems */ -static inline int old_valid_dev(dev_t dev) +static inline bool old_valid_dev(dev_t dev) { return MAJOR(dev) < 256 && MINOR(dev) < 256; } @@ -35,7 +35,7 @@ static inline dev_t old_decode_dev(u16 val) return MKDEV((val >> 8) & 255, val & 255); } -static inline int new_valid_dev(dev_t dev) +static inline bool new_valid_dev(dev_t dev) { return 1; } @@ -54,11 +54,6 @@ static inline dev_t new_decode_dev(u32 dev) return MKDEV(major, minor); } -static inline int huge_valid_dev(dev_t dev) -{ - return 1; -} - static inline u64 huge_encode_dev(dev_t dev) { return new_encode_dev(dev); diff --git a/include/linux/kernel.h b/include/linux/kernel.h index 2c13f747ac2e..350dfb08aee3 100644 --- a/include/linux/kernel.h +++ b/include/linux/kernel.h @@ -200,28 +200,28 @@ extern int _cond_resched(void); #define might_sleep_if(cond) do { if (cond) might_sleep(); } while (0) -/* - * abs() handles unsigned and signed longs, ints, shorts and chars. For all - * input types abs() returns a signed long. - * abs() should not be used for 64-bit types (s64, u64, long long) - use abs64() - * for those. +/** + * abs - return absolute value of an argument + * @x: the value. If it is unsigned type, it is converted to signed type first + * (s64, long or int depending on its size). + * + * Return: an absolute value of x. If x is 64-bit, macro's return type is s64, + * otherwise it is signed long. */ -#define abs(x) ({ \ - long ret; \ - if (sizeof(x) == sizeof(long)) { \ - long __x = (x); \ - ret = (__x < 0) ? -__x : __x; \ - } else { \ - int __x = (x); \ - ret = (__x < 0) ? -__x : __x; \ - } \ - ret; \ - }) - -#define abs64(x) ({ \ - s64 __x = (x); \ - (__x < 0) ? -__x : __x; \ - }) +#define abs(x) __builtin_choose_expr(sizeof(x) == sizeof(s64), ({ \ + s64 __x = (x); \ + (__x < 0) ? -__x : __x; \ + }), ({ \ + long ret; \ + if (sizeof(x) == sizeof(long)) { \ + long __x = (x); \ + ret = (__x < 0) ? -__x : __x; \ + } else { \ + int __x = (x); \ + ret = (__x < 0) ? -__x : __x; \ + } \ + ret; \ + })) /** * reciprocal_scale - "scale" a value into range [0, ep_ro) diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h index 242a6d2b53ff..5706a2108f0a 100644 --- a/include/linux/kvm_host.h +++ b/include/linux/kvm_host.h @@ -1183,4 +1183,5 @@ void kvm_arch_irq_bypass_start(struct irq_bypass_consumer *); int kvm_arch_update_irqfd_routing(struct kvm *kvm, unsigned int host_irq, uint32_t guest_irq, bool set); #endif /* CONFIG_HAVE_KVM_IRQ_BYPASS */ + #endif diff --git a/include/linux/lightnvm.h b/include/linux/lightnvm.h index 5ebd70d12f35..69c9057e1ab8 100644 --- a/include/linux/lightnvm.h +++ b/include/linux/lightnvm.h @@ -426,7 +426,7 @@ static inline struct ppa_addr block_to_ppa(struct nvm_dev *dev, return ppa; } -typedef void (nvm_tgt_make_rq_fn)(struct request_queue *, struct bio *); +typedef blk_qc_t (nvm_tgt_make_rq_fn)(struct request_queue *, struct bio *); typedef sector_t (nvm_tgt_capacity_fn)(void *); typedef int (nvm_tgt_end_io_fn)(struct nvm_rq *, int); typedef void *(nvm_tgt_init_fn)(struct nvm_dev *, struct gendisk *, int, int); diff --git a/include/linux/lockd/lockd.h b/include/linux/lockd/lockd.h index ff82a32871b5..c15373894a42 100644 --- a/include/linux/lockd/lockd.h +++ b/include/linux/lockd/lockd.h @@ -68,6 +68,7 @@ struct nlm_host { struct nsm_handle *h_nsmhandle; /* NSM status handle */ char *h_addrbuf; /* address eyecatcher */ struct net *net; /* host net */ + char nodename[UNX_MAXNODENAME + 1]; }; /* @@ -235,7 +236,8 @@ void nlm_rebind_host(struct nlm_host *); struct nlm_host * nlm_get_host(struct nlm_host *); void nlm_shutdown_hosts(void); void nlm_shutdown_hosts_net(struct net *net); -void nlm_host_rebooted(const struct nlm_reboot *); +void nlm_host_rebooted(const struct net *net, + const struct nlm_reboot *); /* * Host monitoring @@ -243,11 +245,13 @@ void nlm_host_rebooted(const struct nlm_reboot *); int nsm_monitor(const struct nlm_host *host); void nsm_unmonitor(const struct nlm_host *host); -struct nsm_handle *nsm_get_handle(const struct sockaddr *sap, +struct nsm_handle *nsm_get_handle(const struct net *net, + const struct sockaddr *sap, const size_t salen, const char *hostname, const size_t hostname_len); -struct nsm_handle *nsm_reboot_lookup(const struct nlm_reboot *info); +struct nsm_handle *nsm_reboot_lookup(const struct net *net, + const struct nlm_reboot *info); void nsm_release(struct nsm_handle *nsm); /* diff --git a/include/linux/math64.h b/include/linux/math64.h index c45c089bfdac..6e8b5b270ffe 100644 --- a/include/linux/math64.h +++ b/include/linux/math64.h @@ -142,6 +142,13 @@ static inline u64 mul_u64_u32_shr(u64 a, u32 mul, unsigned int shift) } #endif /* mul_u64_u32_shr */ +#ifndef mul_u64_u64_shr +static inline u64 mul_u64_u64_shr(u64 a, u64 mul, unsigned int shift) +{ + return (u64)(((unsigned __int128)a * mul) >> shift); +} +#endif /* mul_u64_u64_shr */ + #else #ifndef mul_u64_u32_shr @@ -161,6 +168,79 @@ static inline u64 mul_u64_u32_shr(u64 a, u32 mul, unsigned int shift) } #endif /* mul_u64_u32_shr */ +#ifndef mul_u64_u64_shr +static inline u64 mul_u64_u64_shr(u64 a, u64 b, unsigned int shift) +{ + union { + u64 ll; + struct { +#ifdef __BIG_ENDIAN + u32 high, low; +#else + u32 low, high; +#endif + } l; + } rl, rm, rn, rh, a0, b0; + u64 c; + + a0.ll = a; + b0.ll = b; + + rl.ll = (u64)a0.l.low * b0.l.low; + rm.ll = (u64)a0.l.low * b0.l.high; + rn.ll = (u64)a0.l.high * b0.l.low; + rh.ll = (u64)a0.l.high * b0.l.high; + + /* + * Each of these lines computes a 64-bit intermediate result into "c", + * starting at bits 32-95. The low 32-bits go into the result of the + * multiplication, the high 32-bits are carried into the next step. + */ + rl.l.high = c = (u64)rl.l.high + rm.l.low + rn.l.low; + rh.l.low = c = (c >> 32) + rm.l.high + rn.l.high + rh.l.low; + rh.l.high = (c >> 32) + rh.l.high; + + /* + * The 128-bit result of the multiplication is in rl.ll and rh.ll, + * shift it right and throw away the high part of the result. + */ + if (shift == 0) + return rl.ll; + if (shift < 64) + return (rl.ll >> shift) | (rh.ll << (64 - shift)); + return rh.ll >> (shift & 63); +} +#endif /* mul_u64_u64_shr */ + #endif +#ifndef mul_u64_u32_div +static inline u64 mul_u64_u32_div(u64 a, u32 mul, u32 divisor) +{ + union { + u64 ll; + struct { +#ifdef __BIG_ENDIAN + u32 high, low; +#else + u32 low, high; +#endif + } l; + } u, rl, rh; + + u.ll = a; + rl.ll = (u64)u.l.low * mul; + rh.ll = (u64)u.l.high * mul + rl.l.high; + + /* Bits 32-63 of the result will be in rh.l.low. */ + rl.l.high = do_div(rh.ll, divisor); + + /* Bits 0-31 of the result will be in rl.l.low. */ + do_div(rl.ll, divisor); + + rl.l.high = rh.l.low; + return rl.ll; +} +#endif /* mul_u64_u32_div */ + #endif /* _LINUX_MATH64_H */ diff --git a/include/linux/mfd/syscon/imx7-iomuxc-gpr.h b/include/linux/mfd/syscon/imx7-iomuxc-gpr.h new file mode 100644 index 000000000000..4585d6105d68 --- /dev/null +++ b/include/linux/mfd/syscon/imx7-iomuxc-gpr.h @@ -0,0 +1,47 @@ +/* + * Copyright (C) 2015 Freescale Semiconductor, Inc. + * + * 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_IMX7_IOMUXC_GPR_H +#define __LINUX_IMX7_IOMUXC_GPR_H + +#define IOMUXC_GPR0 0x00 +#define IOMUXC_GPR1 0x04 +#define IOMUXC_GPR2 0x08 +#define IOMUXC_GPR3 0x0c +#define IOMUXC_GPR4 0x10 +#define IOMUXC_GPR5 0x14 +#define IOMUXC_GPR6 0x18 +#define IOMUXC_GPR7 0x1c +#define IOMUXC_GPR8 0x20 +#define IOMUXC_GPR9 0x24 +#define IOMUXC_GPR10 0x28 +#define IOMUXC_GPR11 0x2c +#define IOMUXC_GPR12 0x30 +#define IOMUXC_GPR13 0x34 +#define IOMUXC_GPR14 0x38 +#define IOMUXC_GPR15 0x3c +#define IOMUXC_GPR16 0x40 +#define IOMUXC_GPR17 0x44 +#define IOMUXC_GPR18 0x48 +#define IOMUXC_GPR19 0x4c +#define IOMUXC_GPR20 0x50 +#define IOMUXC_GPR21 0x54 +#define IOMUXC_GPR22 0x58 + +/* For imx7d iomux gpr register field define */ +#define IMX7D_GPR1_IRQ_MASK (0x1 << 12) +#define IMX7D_GPR1_ENET1_TX_CLK_SEL_MASK (0x1 << 13) +#define IMX7D_GPR1_ENET2_TX_CLK_SEL_MASK (0x1 << 14) +#define IMX7D_GPR1_ENET_TX_CLK_SEL_MASK (0x3 << 13) +#define IMX7D_GPR1_ENET1_CLK_DIR_MASK (0x1 << 17) +#define IMX7D_GPR1_ENET2_CLK_DIR_MASK (0x1 << 18) +#define IMX7D_GPR1_ENET_CLK_DIR_MASK (0x3 << 17) + +#define IMX7D_GPR5_CSI_MUX_CONTROL_MIPI (0x1 << 4) + +#endif /* __LINUX_IMX7_IOMUXC_GPR_H */ diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h index a9e3bf42d287..d20891465247 100644 --- a/include/linux/netdevice.h +++ b/include/linux/netdevice.h @@ -1322,6 +1322,7 @@ enum netdev_priv_flags { #define IFF_L3MDEV_MASTER IFF_L3MDEV_MASTER #define IFF_NO_QUEUE IFF_NO_QUEUE #define IFF_OPENVSWITCH IFF_OPENVSWITCH +#define IFF_L3MDEV_SLAVE IFF_L3MDEV_SLAVE /** * struct net_device - The DEVICE structure. diff --git a/include/linux/nfs4.h b/include/linux/nfs4.h index 00121f298269..e7e78537aea2 100644 --- a/include/linux/nfs4.h +++ b/include/linux/nfs4.h @@ -130,6 +130,7 @@ enum nfs_opnum4 { OP_READ_PLUS = 68, OP_SEEK = 69, OP_WRITE_SAME = 70, + OP_CLONE = 71, OP_ILLEGAL = 10044, }; @@ -421,6 +422,7 @@ enum lock_type4 { #define FATTR4_WORD2_LAYOUT_TYPES (1UL << 0) #define FATTR4_WORD2_LAYOUT_BLKSIZE (1UL << 1) #define FATTR4_WORD2_MDSTHRESHOLD (1UL << 4) +#define FATTR4_WORD2_CLONE_BLKSIZE (1UL << 13) #define FATTR4_WORD2_SECURITY_LABEL (1UL << 16) /* MDS threshold bitmap bits */ @@ -501,6 +503,7 @@ enum { NFSPROC4_CLNT_ALLOCATE, NFSPROC4_CLNT_DEALLOCATE, NFSPROC4_CLNT_LAYOUTSTATS, + NFSPROC4_CLNT_CLONE, }; /* nfs41 types */ diff --git a/include/linux/nfs_fs_sb.h b/include/linux/nfs_fs_sb.h index 570a7df2775b..2469ab0bb3a1 100644 --- a/include/linux/nfs_fs_sb.h +++ b/include/linux/nfs_fs_sb.h @@ -147,6 +147,7 @@ struct nfs_server { unsigned int acdirmax; unsigned int namelen; unsigned int options; /* extra options enabled by mount */ + unsigned int clone_blksize; /* granularity of a CLONE operation */ #define NFS_OPTION_FSCACHE 0x00000001 /* - local caching enabled */ #define NFS_OPTION_MIGRATION 0x00000002 /* - NFSv4 migration enabled */ @@ -243,5 +244,6 @@ struct nfs_server { #define NFS_CAP_ALLOCATE (1U << 20) #define NFS_CAP_DEALLOCATE (1U << 21) #define NFS_CAP_LAYOUTSTATS (1U << 22) +#define NFS_CAP_CLONE (1U << 23) #endif diff --git a/include/linux/nfs_xdr.h b/include/linux/nfs_xdr.h index 52faf7e96c65..570d630f98ae 100644 --- a/include/linux/nfs_xdr.h +++ b/include/linux/nfs_xdr.h @@ -141,6 +141,7 @@ struct nfs_fsinfo { __u32 lease_time; /* in seconds */ __u32 layouttype; /* supported pnfs layout driver */ __u32 blksize; /* preferred pnfs io block size */ + __u32 clone_blksize; /* granularity of a CLONE operation */ }; struct nfs_fsstat { @@ -359,6 +360,25 @@ struct nfs42_layoutstat_data { struct nfs42_layoutstat_res res; }; +struct nfs42_clone_args { + struct nfs4_sequence_args seq_args; + struct nfs_fh *src_fh; + struct nfs_fh *dst_fh; + nfs4_stateid src_stateid; + nfs4_stateid dst_stateid; + __u64 src_offset; + __u64 dst_offset; + __u64 count; + const u32 *dst_bitmask; +}; + +struct nfs42_clone_res { + struct nfs4_sequence_res seq_res; + unsigned int rpc_status; + struct nfs_fattr *dst_fattr; + const struct nfs_server *server; +}; + struct stateowner_id { __u64 create_time; __u32 uniquifier; @@ -528,7 +548,7 @@ struct nfs4_delegreturnargs { struct nfs4_delegreturnres { struct nfs4_sequence_res seq_res; struct nfs_fattr * fattr; - const struct nfs_server *server; + struct nfs_server *server; }; /* @@ -601,7 +621,7 @@ struct nfs_removeargs { struct nfs_removeres { struct nfs4_sequence_res seq_res; - const struct nfs_server *server; + struct nfs_server *server; struct nfs_fattr *dir_attr; struct nfs4_change_info cinfo; }; @@ -619,7 +639,7 @@ struct nfs_renameargs { struct nfs_renameres { struct nfs4_sequence_res seq_res; - const struct nfs_server *server; + struct nfs_server *server; struct nfs4_change_info old_cinfo; struct nfs_fattr *old_fattr; struct nfs4_change_info new_cinfo; @@ -685,7 +705,6 @@ struct nfs_setaclargs { struct nfs4_sequence_args seq_args; struct nfs_fh * fh; size_t acl_len; - unsigned int acl_pgbase; struct page ** acl_pages; }; @@ -697,7 +716,6 @@ struct nfs_getaclargs { struct nfs4_sequence_args seq_args; struct nfs_fh * fh; size_t acl_len; - unsigned int acl_pgbase; struct page ** acl_pages; }; diff --git a/include/linux/of.h b/include/linux/of.h index 2194b8ca41f9..dd10626a615f 100644 --- a/include/linux/of.h +++ b/include/linux/of.h @@ -126,6 +126,8 @@ extern raw_spinlock_t devtree_lock; #define OF_POPULATED 3 /* device already created for the node */ #define OF_POPULATED_BUS 4 /* of_platform_populate recursed to children of this node */ +#define OF_BAD_ADDR ((u64)-1) + #ifdef CONFIG_OF void of_core_init(void); @@ -229,8 +231,6 @@ static inline unsigned long of_read_ulong(const __be32 *cell, int size) #define OF_IS_DYNAMIC(x) test_bit(OF_DYNAMIC, &x->_flags) #define OF_MARK_DYNAMIC(x) set_bit(OF_DYNAMIC, &x->_flags) -#define OF_BAD_ADDR ((u64)-1) - static inline const char *of_node_full_name(const struct device_node *np) { return np ? np->full_name : "<no-node>"; diff --git a/include/linux/of_address.h b/include/linux/of_address.h index d88e81be6368..507daad0bc8d 100644 --- a/include/linux/of_address.h +++ b/include/linux/of_address.h @@ -57,6 +57,13 @@ extern int of_dma_get_range(struct device_node *np, u64 *dma_addr, u64 *paddr, u64 *size); extern bool of_dma_is_coherent(struct device_node *np); #else /* CONFIG_OF_ADDRESS */ + +static inline u64 of_translate_address(struct device_node *np, + const __be32 *addr) +{ + return OF_BAD_ADDR; +} + static inline struct device_node *of_find_matching_node_by_address( struct device_node *from, const struct of_device_id *matches, diff --git a/include/linux/of_dma.h b/include/linux/of_dma.h index 98ba7525929e..36112cdd665a 100644 --- a/include/linux/of_dma.h +++ b/include/linux/of_dma.h @@ -34,7 +34,7 @@ struct of_dma_filter_info { dma_filter_fn filter_fn; }; -#ifdef CONFIG_OF +#ifdef CONFIG_DMA_OF extern int of_dma_controller_register(struct device_node *np, struct dma_chan *(*of_dma_xlate) (struct of_phandle_args *, struct of_dma *), diff --git a/include/linux/of_pci.h b/include/linux/of_pci.h index 38c0533a3359..2c51ee78b1c0 100644 --- a/include/linux/of_pci.h +++ b/include/linux/of_pci.h @@ -16,7 +16,6 @@ int of_pci_get_devfn(struct device_node *np); int of_irq_parse_and_map_pci(const struct pci_dev *dev, u8 slot, u8 pin); int of_pci_parse_bus_range(struct device_node *node, struct resource *res); int of_get_pci_domain_nr(struct device_node *node); -void of_pci_dma_configure(struct pci_dev *pci_dev); void of_pci_check_probe_only(void); #else static inline int of_irq_parse_pci(const struct pci_dev *pdev, struct of_phandle_args *out_irq) @@ -53,8 +52,6 @@ of_get_pci_domain_nr(struct device_node *node) return -1; } -static inline void of_pci_dma_configure(struct pci_dev *pci_dev) { } - static inline void of_pci_check_probe_only(void) { } #endif diff --git a/include/linux/platform_data/atmel.h b/include/linux/platform_data/atmel.h index 91b16adab0cd..3c8825b67298 100644 --- a/include/linux/platform_data/atmel.h +++ b/include/linux/platform_data/atmel.h @@ -9,15 +9,7 @@ #include <linux/mtd/nand.h> #include <linux/mtd/partitions.h> -#include <linux/device.h> -#include <linux/i2c.h> -#include <linux/leds.h> -#include <linux/spi/spi.h> -#include <linux/usb/atmel_usba_udc.h> -#include <linux/atmel-mci.h> -#include <sound/atmel-ac97c.h> #include <linux/serial.h> -#include <linux/platform_data/macb.h> /* Compact Flash */ struct at91_cf_data { diff --git a/include/linux/platform_data/dma-dw.h b/include/linux/platform_data/dma-dw.h index 87ac14c584f2..03b6095d3b18 100644 --- a/include/linux/platform_data/dma-dw.h +++ b/include/linux/platform_data/dma-dw.h @@ -37,6 +37,7 @@ struct dw_dma_slave { * @nr_channels: Number of channels supported by hardware (max 8) * @is_private: The device channels should be marked as private and not for * by the general purpose DMA channel allocator. + * @is_memcpy: The device channels do support memory-to-memory transfers. * @chan_allocation_order: Allocate channels starting from 0 or 7 * @chan_priority: Set channel priority increasing from 0 to 7 or 7 to 0. * @block_size: Maximum block size supported by the controller @@ -47,6 +48,7 @@ struct dw_dma_slave { struct dw_dma_platform_data { unsigned int nr_channels; bool is_private; + bool is_memcpy; #define CHAN_ALLOCATION_ASCENDING 0 /* zero to seven */ #define CHAN_ALLOCATION_DESCENDING 1 /* seven to zero */ unsigned char chan_allocation_order; diff --git a/include/linux/platform_data/edma.h b/include/linux/platform_data/edma.h index bdb2710e2aab..e2878baeb90e 100644 --- a/include/linux/platform_data/edma.h +++ b/include/linux/platform_data/edma.h @@ -41,51 +41,6 @@ #ifndef EDMA_H_ #define EDMA_H_ -/* PaRAM slots are laid out like this */ -struct edmacc_param { - u32 opt; - u32 src; - u32 a_b_cnt; - u32 dst; - u32 src_dst_bidx; - u32 link_bcntrld; - u32 src_dst_cidx; - u32 ccnt; -} __packed; - -/* fields in edmacc_param.opt */ -#define SAM BIT(0) -#define DAM BIT(1) -#define SYNCDIM BIT(2) -#define STATIC BIT(3) -#define EDMA_FWID (0x07 << 8) -#define TCCMODE BIT(11) -#define EDMA_TCC(t) ((t) << 12) -#define TCINTEN BIT(20) -#define ITCINTEN BIT(21) -#define TCCHEN BIT(22) -#define ITCCHEN BIT(23) - -/*ch_status paramater of callback function possible values*/ -#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, - FIFO = 1 -}; - -enum fifo_width { - W8BIT = 0, - W16BIT = 1, - W32BIT = 2, - W64BIT = 3, - W128BIT = 4, - W256BIT = 5 -}; - enum dma_event_q { EVENTQ_0 = 0, EVENTQ_1 = 1, @@ -94,64 +49,10 @@ enum dma_event_q { EVENTQ_DEFAULT = -1 }; -enum sync_dimension { - ASYNC = 0, - ABSYNC = 1 -}; - #define EDMA_CTLR_CHAN(ctlr, chan) (((ctlr) << 16) | (chan)) #define EDMA_CTLR(i) ((i) >> 16) #define EDMA_CHAN_SLOT(i) ((i) & 0xffff) -#define EDMA_CHANNEL_ANY -1 /* for edma_alloc_channel() */ -#define EDMA_SLOT_ANY -1 /* for edma_alloc_slot() */ -#define EDMA_CONT_PARAMS_ANY 1001 -#define EDMA_CONT_PARAMS_FIXED_EXACT 1002 -#define EDMA_CONT_PARAMS_FIXED_NOT_EXACT 1003 - -#define EDMA_MAX_CC 2 - -/* alloc/free DMA channels and their dedicated parameter RAM slots */ -int edma_alloc_channel(int channel, - void (*callback)(unsigned channel, u16 ch_status, void *data), - void *data, enum dma_event_q); -void edma_free_channel(unsigned channel); - -/* alloc/free parameter RAM slots */ -int edma_alloc_slot(unsigned ctlr, int slot); -void edma_free_slot(unsigned slot); - -/* alloc/free a set of contiguous parameter RAM slots */ -int edma_alloc_cont_slots(unsigned ctlr, unsigned int id, int slot, int count); -int edma_free_cont_slots(unsigned slot, int count); - -/* calls that operate on part of a parameter RAM slot */ -void edma_set_src(unsigned slot, dma_addr_t src_port, - enum address_mode mode, enum fifo_width); -void edma_set_dest(unsigned slot, dma_addr_t dest_port, - enum address_mode mode, enum fifo_width); -dma_addr_t edma_get_position(unsigned slot, bool dst); -void edma_set_src_index(unsigned slot, s16 src_bidx, s16 src_cidx); -void edma_set_dest_index(unsigned slot, s16 dest_bidx, s16 dest_cidx); -void edma_set_transfer_params(unsigned slot, u16 acnt, u16 bcnt, u16 ccnt, - u16 bcnt_rld, enum sync_dimension sync_mode); -void edma_link(unsigned from, unsigned to); -void edma_unlink(unsigned from); - -/* calls that operate on an entire parameter RAM slot */ -void edma_write_slot(unsigned slot, const struct edmacc_param *params); -void edma_read_slot(unsigned slot, struct edmacc_param *params); - -/* channel control operations */ -int edma_start(unsigned channel); -void edma_stop(unsigned channel); -void edma_clean_channel(unsigned channel); -void edma_clear_event(unsigned channel); -void edma_pause(unsigned channel); -void edma_resume(unsigned channel); - -void edma_assign_channel_eventq(unsigned channel, enum dma_event_q eventq_no); - struct edma_rsv_info { const s16 (*rsv_chans)[2]; @@ -170,10 +71,11 @@ struct edma_soc_info { /* Resource reservation for other cores */ struct edma_rsv_info *rsv; + /* List of channels allocated for memcpy, terminated with -1 */ + s16 *memcpy_channels; + s8 (*queue_priority_mapping)[2]; const s16 (*xbar_chans)[2]; }; -int edma_trigger_channel(unsigned); - #endif diff --git a/include/linux/pmem.h b/include/linux/pmem.h index 85f810b33917..acfea8ce4a07 100644 --- a/include/linux/pmem.h +++ b/include/linux/pmem.h @@ -65,11 +65,6 @@ static inline void memcpy_from_pmem(void *dst, void __pmem const *src, size_t si memcpy(dst, (void __force const *) src, size); } -static inline void memunmap_pmem(struct device *dev, void __pmem *addr) -{ - devm_memunmap(dev, (void __force *) addr); -} - static inline bool arch_has_pmem_api(void) { return IS_ENABLED(CONFIG_ARCH_HAS_PMEM_API); @@ -93,7 +88,7 @@ static inline bool arch_has_wmb_pmem(void) * These defaults seek to offer decent performance and minimize the * window between i/o completion and writes being durable on media. * However, it is undefined / architecture specific whether - * default_memremap_pmem + default_memcpy_to_pmem is sufficient for + * ARCH_MEMREMAP_PMEM + default_memcpy_to_pmem is sufficient for * making data durable relative to i/o completion. */ static inline void default_memcpy_to_pmem(void __pmem *dst, const void *src, @@ -117,25 +112,6 @@ static inline void default_clear_pmem(void __pmem *addr, size_t size) } /** - * memremap_pmem - map physical persistent memory for pmem api - * @offset: physical address of persistent memory - * @size: size of the mapping - * - * Establish a mapping of the architecture specific memory type expected - * by memcpy_to_pmem() and wmb_pmem(). For example, it may be - * the case that an uncacheable or writethrough mapping is sufficient, - * or a writeback mapping provided memcpy_to_pmem() and - * wmb_pmem() arrange for the data to be written through the - * cache to persistent media. - */ -static inline void __pmem *memremap_pmem(struct device *dev, - resource_size_t offset, unsigned long size) -{ - return (void __pmem *) devm_memremap(dev, offset, size, - ARCH_MEMREMAP_PMEM); -} - -/** * memcpy_to_pmem - copy data to persistent memory * @dst: destination buffer for the copy * @src: source buffer for the copy diff --git a/include/linux/property.h b/include/linux/property.h index 463de52fe891..0a3705a7c9f2 100644 --- a/include/linux/property.h +++ b/include/linux/property.h @@ -27,6 +27,12 @@ enum dev_prop_type { DEV_PROP_MAX, }; +enum dev_dma_attr { + DEV_DMA_NOT_SUPPORTED, + DEV_DMA_NON_COHERENT, + DEV_DMA_COHERENT, +}; + bool device_property_present(struct device *dev, const char *propname); int device_property_read_u8_array(struct device *dev, const char *propname, u8 *val, size_t nval); @@ -168,7 +174,9 @@ struct property_set { void device_add_property_set(struct device *dev, struct property_set *pset); -bool device_dma_is_coherent(struct device *dev); +bool device_dma_supported(struct device *dev); + +enum dev_dma_attr device_get_dma_attr(struct device *dev); int device_get_phy_mode(struct device *dev); diff --git a/include/linux/psci.h b/include/linux/psci.h index a682fcc91c33..12c4865457ad 100644 --- a/include/linux/psci.h +++ b/include/linux/psci.h @@ -21,6 +21,8 @@ #define PSCI_POWER_STATE_TYPE_POWER_DOWN 1 bool psci_tos_resident_on(int cpu); +bool psci_power_state_loses_context(u32 state); +bool psci_power_state_is_valid(u32 state); struct psci_operations { int (*cpu_suspend)(u32 state, unsigned long entry_point); diff --git a/include/linux/pwm.h b/include/linux/pwm.h index d681f6875aef..cfc3ed46cad2 100644 --- a/include/linux/pwm.h +++ b/include/linux/pwm.h @@ -2,6 +2,7 @@ #define __LINUX_PWM_H #include <linux/err.h> +#include <linux/mutex.h> #include <linux/of.h> struct pwm_device; @@ -87,6 +88,7 @@ enum { * @pwm: global index of the PWM device * @chip: PWM chip providing this PWM device * @chip_data: chip-private data associated with the PWM device + * @lock: used to serialize accesses to the PWM device where necessary * @period: period of the PWM signal (in nanoseconds) * @duty_cycle: duty cycle of the PWM signal (in nanoseconds) * @polarity: polarity of the PWM signal @@ -98,6 +100,7 @@ struct pwm_device { unsigned int pwm; struct pwm_chip *chip; void *chip_data; + struct mutex lock; unsigned int period; unsigned int duty_cycle; diff --git a/include/linux/qcom_scm.h b/include/linux/qcom_scm.h index 6e7d5ec65838..9e12000914b3 100644 --- a/include/linux/qcom_scm.h +++ b/include/linux/qcom_scm.h @@ -23,6 +23,8 @@ struct qcom_scm_hdcp_req { u32 val; }; +extern bool qcom_scm_is_available(void); + extern bool qcom_scm_hdcp_available(void); extern int qcom_scm_hdcp_req(struct qcom_scm_hdcp_req *req, u32 req_cnt, u32 *resp); diff --git a/include/linux/sched.h b/include/linux/sched.h index 4069febaa34a..edad7a43edea 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -484,9 +484,11 @@ static inline int get_dumpable(struct mm_struct *mm) #define MMF_DUMP_ELF_HEADERS 6 #define MMF_DUMP_HUGETLB_PRIVATE 7 #define MMF_DUMP_HUGETLB_SHARED 8 +#define MMF_DUMP_DAX_PRIVATE 9 +#define MMF_DUMP_DAX_SHARED 10 #define MMF_DUMP_FILTER_SHIFT MMF_DUMPABLE_BITS -#define MMF_DUMP_FILTER_BITS 7 +#define MMF_DUMP_FILTER_BITS 9 #define MMF_DUMP_FILTER_MASK \ (((1 << MMF_DUMP_FILTER_BITS) - 1) << MMF_DUMP_FILTER_SHIFT) #define MMF_DUMP_FILTER_DEFAULT \ diff --git a/include/linux/scpi_protocol.h b/include/linux/scpi_protocol.h new file mode 100644 index 000000000000..80af3cd35ae4 --- /dev/null +++ b/include/linux/scpi_protocol.h @@ -0,0 +1,78 @@ +/* + * SCPI Message Protocol driver header + * + * Copyright (C) 2014 ARM Ltd. + * + * 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, see <http://www.gnu.org/licenses/>. + */ +#include <linux/types.h> + +struct scpi_opp { + u32 freq; + u32 m_volt; +} __packed; + +struct scpi_dvfs_info { + unsigned int count; + unsigned int latency; /* in nanoseconds */ + struct scpi_opp *opps; +}; + +enum scpi_sensor_class { + TEMPERATURE, + VOLTAGE, + CURRENT, + POWER, +}; + +struct scpi_sensor_info { + u16 sensor_id; + u8 class; + u8 trigger_type; + char name[20]; +} __packed; + +/** + * struct scpi_ops - represents the various operations provided + * by SCP through SCPI message protocol + * @get_version: returns the major and minor revision on the SCPI + * message protocol + * @clk_get_range: gets clock range limit(min - max in Hz) + * @clk_get_val: gets clock value(in Hz) + * @clk_set_val: sets the clock value, setting to 0 will disable the + * clock (if supported) + * @dvfs_get_idx: gets the Operating Point of the given power domain. + * OPP is an index to the list return by @dvfs_get_info + * @dvfs_set_idx: sets the Operating Point of the given power domain. + * OPP is an index to the list return by @dvfs_get_info + * @dvfs_get_info: returns the DVFS capabilities of the given power + * domain. It includes the OPP list and the latency information + */ +struct scpi_ops { + u32 (*get_version)(void); + int (*clk_get_range)(u16, unsigned long *, unsigned long *); + unsigned long (*clk_get_val)(u16); + int (*clk_set_val)(u16, unsigned long); + int (*dvfs_get_idx)(u8); + int (*dvfs_set_idx)(u8, u8); + struct scpi_dvfs_info *(*dvfs_get_info)(u8); + int (*sensor_get_capability)(u16 *sensors); + int (*sensor_get_info)(u16 sensor_id, struct scpi_sensor_info *); + int (*sensor_get_value)(u16, u32 *); +}; + +#if IS_ENABLED(CONFIG_ARM_SCPI_PROTOCOL) +struct scpi_ops *get_scpi_ops(void); +#else +static inline struct scpi_ops *get_scpi_ops(void) { return NULL; } +#endif diff --git a/include/linux/soc/brcmstb/brcmstb.h b/include/linux/soc/brcmstb/brcmstb.h new file mode 100644 index 000000000000..337ce414e898 --- /dev/null +++ b/include/linux/soc/brcmstb/brcmstb.h @@ -0,0 +1,10 @@ +#ifndef __BRCMSTB_SOC_H +#define __BRCMSTB_SOC_H + +/* + * Bus Interface Unit control register setup, must happen early during boot, + * before SMP is brought up, called by machine entry point. + */ +void brcmstb_biuctrl_init(void); + +#endif /* __BRCMSTB_SOC_H */ diff --git a/include/linux/soc/qcom/smd.h b/include/linux/soc/qcom/smd.h index d7e50aa6a4ac..d0cb6d189a0a 100644 --- a/include/linux/soc/qcom/smd.h +++ b/include/linux/soc/qcom/smd.h @@ -9,6 +9,14 @@ struct qcom_smd_channel; struct qcom_smd_lookup; /** + * struct qcom_smd_id - struct used for matching a smd device + * @name: name of the channel + */ +struct qcom_smd_id { + char name[20]; +}; + +/** * struct qcom_smd_device - smd device struct * @dev: the device struct * @channel: handle to the smd channel for this device @@ -21,6 +29,7 @@ struct qcom_smd_device { /** * struct qcom_smd_driver - smd driver struct * @driver: underlying device driver + * @smd_match_table: static channel match table * @probe: invoked when the smd channel is found * @remove: invoked when the smd channel is closed * @callback: invoked when an inbound message is received on the channel, @@ -29,6 +38,8 @@ struct qcom_smd_device { */ struct qcom_smd_driver { struct device_driver driver; + const struct qcom_smd_id *smd_match_table; + int (*probe)(struct qcom_smd_device *dev); void (*remove)(struct qcom_smd_device *dev); int (*callback)(struct qcom_smd_device *, const void *, size_t); diff --git a/include/linux/soc/qcom/smem.h b/include/linux/soc/qcom/smem.h index bc9630d3aced..785e196ee2ca 100644 --- a/include/linux/soc/qcom/smem.h +++ b/include/linux/soc/qcom/smem.h @@ -4,7 +4,7 @@ #define QCOM_SMEM_HOST_ANY -1 int qcom_smem_alloc(unsigned host, unsigned item, size_t size); -int qcom_smem_get(unsigned host, unsigned item, void **ptr, size_t *size); +void *qcom_smem_get(unsigned host, unsigned item, size_t *size); int qcom_smem_get_free_space(unsigned host); diff --git a/include/linux/spi/pxa2xx_spi.h b/include/linux/spi/pxa2xx_spi.h index 6d36dacec4ba..9ec4c147abbc 100644 --- a/include/linux/spi/pxa2xx_spi.h +++ b/include/linux/spi/pxa2xx_spi.h @@ -23,7 +23,6 @@ struct dma_chan; /* device.platform_data for SSP controller devices */ struct pxa2xx_spi_master { - u32 clock_enable; u16 num_chipselect; u8 enable_dma; diff --git a/include/linux/sunrpc/bc_xprt.h b/include/linux/sunrpc/bc_xprt.h index 8df43c9f11dc..4397a4824c81 100644 --- a/include/linux/sunrpc/bc_xprt.h +++ b/include/linux/sunrpc/bc_xprt.h @@ -38,6 +38,11 @@ void xprt_free_bc_request(struct rpc_rqst *req); int xprt_setup_backchannel(struct rpc_xprt *, unsigned int min_reqs); void xprt_destroy_backchannel(struct rpc_xprt *, unsigned int max_reqs); +/* Socket backchannel transport methods */ +int xprt_setup_bc(struct rpc_xprt *xprt, unsigned int min_reqs); +void xprt_destroy_bc(struct rpc_xprt *xprt, unsigned int max_reqs); +void xprt_free_bc_rqst(struct rpc_rqst *req); + /* * Determine if a shared backchannel is in use */ diff --git a/include/linux/sunrpc/cache.h b/include/linux/sunrpc/cache.h index 03d3b4c92d9f..ed03c9f7f908 100644 --- a/include/linux/sunrpc/cache.h +++ b/include/linux/sunrpc/cache.h @@ -48,8 +48,10 @@ struct cache_head { struct hlist_node cache_list; time_t expiry_time; /* After time time, don't use the data */ - time_t last_refresh; /* If CACHE_PENDING, this is when upcall - * was sent, else this is when update was received + time_t last_refresh; /* If CACHE_PENDING, this is when upcall was + * sent, else this is when update was + * received, though it is alway set to + * be *after* ->flush_time. */ struct kref ref; unsigned long flags; @@ -105,8 +107,12 @@ struct cache_detail { /* fields below this comment are for internal use * and should not be touched by cache owners */ - time_t flush_time; /* flush all cache items with last_refresh - * earlier than this */ + time_t flush_time; /* flush all cache items with + * last_refresh at or earlier + * than this. last_refresh + * is never set at or earlier + * than this. + */ struct list_head others; time_t nextcheck; int entries; @@ -203,7 +209,7 @@ static inline void cache_put(struct cache_head *h, struct cache_detail *cd) static inline int cache_is_expired(struct cache_detail *detail, struct cache_head *h) { return (h->expiry_time < seconds_since_boot()) || - (detail->flush_time > h->last_refresh); + (detail->flush_time >= h->last_refresh); } extern int cache_check(struct cache_detail *detail, diff --git a/include/linux/sunrpc/svc_rdma.h b/include/linux/sunrpc/svc_rdma.h index 1e4438ea2380..f869807a0d0e 100644 --- a/include/linux/sunrpc/svc_rdma.h +++ b/include/linux/sunrpc/svc_rdma.h @@ -226,9 +226,13 @@ extern void svc_rdma_put_frmr(struct svcxprt_rdma *, struct svc_rdma_fastreg_mr *); extern void svc_sq_reap(struct svcxprt_rdma *); extern void svc_rq_reap(struct svcxprt_rdma *); -extern struct svc_xprt_class svc_rdma_class; extern void svc_rdma_prep_reply_hdr(struct svc_rqst *); +extern struct svc_xprt_class svc_rdma_class; +#ifdef CONFIG_SUNRPC_BACKCHANNEL +extern struct svc_xprt_class svc_rdma_bc_class; +#endif + /* svc_rdma.c */ extern int svc_rdma_init(void); extern void svc_rdma_cleanup(void); diff --git a/include/linux/sunrpc/xprt.h b/include/linux/sunrpc/xprt.h index 0fb9acbb4780..69ef5b3ab038 100644 --- a/include/linux/sunrpc/xprt.h +++ b/include/linux/sunrpc/xprt.h @@ -54,6 +54,8 @@ enum rpc_display_format_t { struct rpc_task; struct rpc_xprt; struct seq_file; +struct svc_serv; +struct net; /* * This describes a complete RPC request @@ -136,6 +138,12 @@ struct rpc_xprt_ops { int (*enable_swap)(struct rpc_xprt *xprt); void (*disable_swap)(struct rpc_xprt *xprt); void (*inject_disconnect)(struct rpc_xprt *xprt); + int (*bc_setup)(struct rpc_xprt *xprt, + unsigned int min_reqs); + int (*bc_up)(struct svc_serv *serv, struct net *net); + void (*bc_free_rqst)(struct rpc_rqst *rqst); + void (*bc_destroy)(struct rpc_xprt *xprt, + unsigned int max_reqs); }; /* @@ -153,6 +161,7 @@ enum xprt_transports { XPRT_TRANSPORT_TCP = IPPROTO_TCP, XPRT_TRANSPORT_BC_TCP = IPPROTO_TCP | XPRT_TRANSPORT_BC, XPRT_TRANSPORT_RDMA = 256, + XPRT_TRANSPORT_BC_RDMA = XPRT_TRANSPORT_RDMA | XPRT_TRANSPORT_BC, XPRT_TRANSPORT_LOCAL = 257, }; diff --git a/include/linux/sunrpc/xprtsock.h b/include/linux/sunrpc/xprtsock.h index 357e44c1a46b..0ece4ba06f06 100644 --- a/include/linux/sunrpc/xprtsock.h +++ b/include/linux/sunrpc/xprtsock.h @@ -44,6 +44,8 @@ struct sock_xprt { */ unsigned long sock_state; struct delayed_work connect_worker; + struct work_struct recv_worker; + struct mutex recv_mutex; struct sockaddr_storage srcaddr; unsigned short srcport; diff --git a/include/linux/sunxi-rsb.h b/include/linux/sunxi-rsb.h new file mode 100644 index 000000000000..7e75bb0346d0 --- /dev/null +++ b/include/linux/sunxi-rsb.h @@ -0,0 +1,105 @@ +/* + * Allwinner Reduced Serial Bus Driver + * + * Copyright (c) 2015 Chen-Yu Tsai + * + * Author: Chen-Yu Tsai <wens@csie.org> + * + * This file is licensed under the terms of the GNU General Public + * License version 2. This program is licensed "as is" without any + * warranty of any kind, whether express or implied. + */ +#ifndef _SUNXI_RSB_H +#define _SUNXI_RSB_H + +#include <linux/device.h> +#include <linux/regmap.h> +#include <linux/types.h> + +struct sunxi_rsb; + +/** + * struct sunxi_rsb_device - Basic representation of an RSB device + * @dev: Driver model representation of the device. + * @ctrl: RSB controller managing the bus hosting this device. + * @rtaddr: This device's runtime address + * @hwaddr: This device's hardware address + */ +struct sunxi_rsb_device { + struct device dev; + struct sunxi_rsb *rsb; + int irq; + u8 rtaddr; + u16 hwaddr; +}; + +static inline struct sunxi_rsb_device *to_sunxi_rsb_device(struct device *d) +{ + return container_of(d, struct sunxi_rsb_device, dev); +} + +static inline void *sunxi_rsb_device_get_drvdata(const struct sunxi_rsb_device *rdev) +{ + return dev_get_drvdata(&rdev->dev); +} + +static inline void sunxi_rsb_device_set_drvdata(struct sunxi_rsb_device *rdev, + void *data) +{ + dev_set_drvdata(&rdev->dev, data); +} + +/** + * struct sunxi_rsb_driver - RSB slave device driver + * @driver: RSB device drivers should initialize name and owner field of + * this structure. + * @probe: binds this driver to a RSB device. + * @remove: unbinds this driver from the RSB device. + */ +struct sunxi_rsb_driver { + struct device_driver driver; + int (*probe)(struct sunxi_rsb_device *rdev); + int (*remove)(struct sunxi_rsb_device *rdev); +}; + +static inline struct sunxi_rsb_driver *to_sunxi_rsb_driver(struct device_driver *d) +{ + return container_of(d, struct sunxi_rsb_driver, driver); +} + +int sunxi_rsb_driver_register(struct sunxi_rsb_driver *rdrv); + +/** + * sunxi_rsb_driver_unregister() - unregister an RSB client driver + * @rdrv: the driver to unregister + */ +static inline void sunxi_rsb_driver_unregister(struct sunxi_rsb_driver *rdrv) +{ + if (rdrv) + driver_unregister(&rdrv->driver); +} + +#define module_sunxi_rsb_driver(__sunxi_rsb_driver) \ + module_driver(__sunxi_rsb_driver, sunxi_rsb_driver_register, \ + sunxi_rsb_driver_unregister) + +struct regmap *__devm_regmap_init_sunxi_rsb(struct sunxi_rsb_device *rdev, + const struct regmap_config *config, + struct lock_class_key *lock_key, + const char *lock_name); + +/** + * devm_regmap_init_sunxi_rsb(): Initialise managed register map + * + * @rdev: Device that will be interacted with + * @config: Configuration for register map + * + * The return value will be an ERR_PTR() on error or a valid pointer + * to a struct regmap. The regmap will be automatically freed by the + * device management code. + */ +#define devm_regmap_init_sunxi_rsb(rdev, config) \ + __regmap_lockdep_wrapper(__devm_regmap_init_sunxi_rsb, #config, \ + rdev, config) + +#endif /* _SUNXI_RSB_H */ diff --git a/include/linux/tcp.h b/include/linux/tcp.h index c906f4534581..b386361ba3e8 100644 --- a/include/linux/tcp.h +++ b/include/linux/tcp.h @@ -397,6 +397,13 @@ static inline void fastopen_queue_tune(struct sock *sk, int backlog) queue->fastopenq.max_qlen = min_t(unsigned int, backlog, somaxconn); } +static inline void tcp_move_syn(struct tcp_sock *tp, + struct request_sock *req) +{ + tp->saved_syn = req->saved_syn; + req->saved_syn = NULL; +} + static inline void tcp_saved_syn_free(struct tcp_sock *tp) { kfree(tp->saved_syn); diff --git a/include/linux/thermal.h b/include/linux/thermal.h index 157d366e761b..4014a59828fc 100644 --- a/include/linux/thermal.h +++ b/include/linux/thermal.h @@ -44,9 +44,11 @@ #define THERMAL_WEIGHT_DEFAULT 0 /* Unit conversion macros */ -#define KELVIN_TO_CELSIUS(t) (long)(((long)t-2732 >= 0) ? \ - ((long)t-2732+5)/10 : ((long)t-2732-5)/10) -#define CELSIUS_TO_KELVIN(t) ((t)*10+2732) +#define DECI_KELVIN_TO_CELSIUS(t) ({ \ + long _t = (t); \ + ((_t-2732 >= 0) ? (_t-2732+5)/10 : (_t-2732-5)/10); \ +}) +#define CELSIUS_TO_DECI_KELVIN(t) ((t)*10+2732) #define DECI_KELVIN_TO_MILLICELSIUS_WITH_OFFSET(t, off) (((t) - (off)) * 100) #define DECI_KELVIN_TO_MILLICELSIUS(t) DECI_KELVIN_TO_MILLICELSIUS_WITH_OFFSET(t, 2732) #define MILLICELSIUS_TO_DECI_KELVIN_WITH_OFFSET(t, off) (((t) / 100) + (off)) diff --git a/include/linux/vfio.h b/include/linux/vfio.h index ddb440975382..610a86a892b8 100644 --- a/include/linux/vfio.h +++ b/include/linux/vfio.h @@ -44,6 +44,9 @@ struct vfio_device_ops { void (*request)(void *device_data, unsigned int count); }; +extern struct iommu_group *vfio_iommu_group_get(struct device *dev); +extern void vfio_iommu_group_put(struct iommu_group *group, struct device *dev); + extern int vfio_add_group_dev(struct device *dev, const struct vfio_device_ops *ops, void *device_data); diff --git a/include/linux/vga_switcheroo.h b/include/linux/vga_switcheroo.h index b483abd34493..69e1d4a1f1b3 100644 --- a/include/linux/vga_switcheroo.h +++ b/include/linux/vga_switcheroo.h @@ -1,10 +1,31 @@ /* + * vga_switcheroo.h - Support for laptop with dual GPU using one set of outputs + * * Copyright (c) 2010 Red Hat Inc. * Author : Dave Airlie <airlied@redhat.com> * - * Licensed under GPLv2 + * Copyright (c) 2015 Lukas Wunner <lukas@wunner.de> + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS + * IN THE SOFTWARE. * - * vga_switcheroo.h - Support for laptop with dual GPU using one set of outputs */ #ifndef _LINUX_VGA_SWITCHEROO_H_ @@ -14,28 +35,85 @@ struct pci_dev; +/** + * enum vga_switcheroo_state - client power state + * @VGA_SWITCHEROO_OFF: off + * @VGA_SWITCHEROO_ON: on + * @VGA_SWITCHEROO_NOT_FOUND: client has not registered with vga_switcheroo. + * Only used in vga_switcheroo_get_client_state() which in turn is only + * called from hda_intel.c + * + * Client power state. + */ enum vga_switcheroo_state { VGA_SWITCHEROO_OFF, VGA_SWITCHEROO_ON, /* below are referred only from vga_switcheroo_get_client_state() */ - VGA_SWITCHEROO_INIT, VGA_SWITCHEROO_NOT_FOUND, }; +/** + * enum vga_switcheroo_client_id - client identifier + * @VGA_SWITCHEROO_UNKNOWN_ID: initial identifier assigned to vga clients. + * Determining the id requires the handler, so GPUs are given their + * true id in a delayed fashion in vga_switcheroo_enable() + * @VGA_SWITCHEROO_IGD: integrated graphics device + * @VGA_SWITCHEROO_DIS: discrete graphics device + * @VGA_SWITCHEROO_MAX_CLIENTS: currently no more than two GPUs are supported + * + * Client identifier. Audio clients use the same identifier & 0x100. + */ enum vga_switcheroo_client_id { + VGA_SWITCHEROO_UNKNOWN_ID = -1, VGA_SWITCHEROO_IGD, VGA_SWITCHEROO_DIS, VGA_SWITCHEROO_MAX_CLIENTS, }; +/** + * struct vga_switcheroo_handler - handler callbacks + * @init: initialize handler. + * Optional. This gets called when vga_switcheroo is enabled, i.e. when + * two vga clients have registered. It allows the handler to perform + * some delayed initialization that depends on the existence of the + * vga clients. Currently only the radeon and amdgpu drivers use this. + * The return value is ignored + * @switchto: switch outputs to given client. + * Mandatory. For muxless machines this should be a no-op. Returning 0 + * denotes success, anything else failure (in which case the switch is + * aborted) + * @power_state: cut or reinstate power of given client. + * Optional. The return value is ignored + * @get_client_id: determine if given pci device is integrated or discrete GPU. + * Mandatory + * + * Handler callbacks. The multiplexer itself. The @switchto and @get_client_id + * methods are mandatory, all others may be set to NULL. + */ struct vga_switcheroo_handler { + int (*init)(void); int (*switchto)(enum vga_switcheroo_client_id id); int (*power_state)(enum vga_switcheroo_client_id id, enum vga_switcheroo_state state); - int (*init)(void); - int (*get_client_id)(struct pci_dev *pdev); + enum vga_switcheroo_client_id (*get_client_id)(struct pci_dev *pdev); }; +/** + * struct vga_switcheroo_client_ops - client callbacks + * @set_gpu_state: do the equivalent of suspend/resume for the card. + * Mandatory. This should not cut power to the discrete GPU, + * which is the job of the handler + * @reprobe: poll outputs. + * Optional. This gets called after waking the GPU and switching + * the outputs to it + * @can_switch: check if the device is in a position to switch now. + * Mandatory. The client should return false if a user space process + * has one of its device files open + * + * Client callbacks. A client can be either a GPU or an audio device on a GPU. + * The @set_gpu_state and @can_switch methods are mandatory, @reprobe may be + * set to NULL. For audio clients, the @reprobe member is bogus. + */ struct vga_switcheroo_client_ops { void (*set_gpu_state)(struct pci_dev *dev, enum vga_switcheroo_state); void (*reprobe)(struct pci_dev *dev); @@ -49,17 +127,17 @@ int vga_switcheroo_register_client(struct pci_dev *dev, bool driver_power_control); int vga_switcheroo_register_audio_client(struct pci_dev *pdev, const struct vga_switcheroo_client_ops *ops, - int id, bool active); + enum vga_switcheroo_client_id id); void vga_switcheroo_client_fb_set(struct pci_dev *dev, struct fb_info *info); -int vga_switcheroo_register_handler(struct vga_switcheroo_handler *handler); +int vga_switcheroo_register_handler(const struct vga_switcheroo_handler *handler); void vga_switcheroo_unregister_handler(void); int vga_switcheroo_process_delayed_switch(void); -int vga_switcheroo_get_client_state(struct pci_dev *dev); +enum vga_switcheroo_state vga_switcheroo_get_client_state(struct pci_dev *dev); void vga_switcheroo_set_dynamic_switch(struct pci_dev *pdev, enum vga_switcheroo_state dynamic); @@ -72,13 +150,13 @@ static inline void vga_switcheroo_unregister_client(struct pci_dev *dev) {} static inline int vga_switcheroo_register_client(struct pci_dev *dev, const struct vga_switcheroo_client_ops *ops, bool driver_power_control) { return 0; } static inline void vga_switcheroo_client_fb_set(struct pci_dev *dev, struct fb_info *info) {} -static inline int vga_switcheroo_register_handler(struct vga_switcheroo_handler *handler) { return 0; } +static inline int vga_switcheroo_register_handler(const struct vga_switcheroo_handler *handler) { return 0; } static inline int vga_switcheroo_register_audio_client(struct pci_dev *pdev, const struct vga_switcheroo_client_ops *ops, - int id, bool active) { return 0; } + enum vga_switcheroo_client_id id) { return 0; } static inline void vga_switcheroo_unregister_handler(void) {} static inline int vga_switcheroo_process_delayed_switch(void) { return 0; } -static inline int vga_switcheroo_get_client_state(struct pci_dev *dev) { return VGA_SWITCHEROO_ON; } +static inline enum vga_switcheroo_state vga_switcheroo_get_client_state(struct pci_dev *dev) { return VGA_SWITCHEROO_ON; } static inline void vga_switcheroo_set_dynamic_switch(struct pci_dev *pdev, enum vga_switcheroo_state dynamic) {} diff --git a/include/linux/watchdog.h b/include/linux/watchdog.h index d74a0e907b9e..027b1f43f12d 100644 --- a/include/linux/watchdog.h +++ b/include/linux/watchdog.h @@ -24,8 +24,8 @@ struct watchdog_device; * @stop: The routine for stopping the watchdog device. * @ping: The routine that sends a keepalive ping to the watchdog device. * @status: The routine that shows the status of the watchdog device. - * @set_timeout:The routine for setting the watchdog devices timeout value. - * @get_timeleft:The routine that get's the time that's left before a reset. + * @set_timeout:The routine for setting the watchdog devices timeout value (in seconds). + * @get_timeleft:The routine that gets the time left before a reset (in seconds). * @ref: The ref operation for dyn. allocated watchdog_device structs * @unref: The unref operation for dyn. allocated watchdog_device structs * @ioctl: The routines that handles extra ioctl calls. @@ -33,7 +33,7 @@ struct watchdog_device; * The watchdog_ops structure contains a list of low-level operations * that control a watchdog device. It also contains the module that owns * these operations. The start and stop function are mandatory, all other - * functions are optonal. + * functions are optional. */ struct watchdog_ops { struct module *owner; @@ -59,9 +59,9 @@ struct watchdog_ops { * @info: Pointer to a watchdog_info structure. * @ops: Pointer to the list of watchdog operations. * @bootstatus: Status of the watchdog device at boot. - * @timeout: The watchdog devices timeout value. - * @min_timeout:The watchdog devices minimum timeout value. - * @max_timeout:The watchdog devices maximum timeout value. + * @timeout: The watchdog devices timeout value (in seconds). + * @min_timeout:The watchdog devices minimum timeout value (in seconds). + * @max_timeout:The watchdog devices maximum timeout value (in seconds). * @driver-data:Pointer to the drivers private data. * @lock: Lock for watchdog core internal use only. * @status: Field that contains the devices internal status bits. @@ -119,8 +119,15 @@ static inline void watchdog_set_nowayout(struct watchdog_device *wdd, bool noway /* Use the following function to check if a timeout value is invalid */ static inline bool watchdog_timeout_invalid(struct watchdog_device *wdd, unsigned int t) { - return ((wdd->max_timeout != 0) && - (t < wdd->min_timeout || t > wdd->max_timeout)); + /* + * The timeout is invalid if + * - the requested value is smaller than the configured minimum timeout, + * or + * - a maximum timeout is configured, and the requested value is larger + * than the maximum timeout. + */ + return t < wdd->min_timeout || + (wdd->max_timeout && t > wdd->max_timeout); } /* Use the following functions to manipulate watchdog driver specific data */ |