diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/drm/drmP.h | 2 | ||||
| -rw-r--r-- | include/drm/drm_gem.h | 8 | ||||
| -rw-r--r-- | include/drm/ttm/ttm_bo_api.h | 12 | ||||
| -rw-r--r-- | include/drm/ttm/ttm_bo_driver.h | 14 | ||||
| -rw-r--r-- | include/linux/dma-buf.h | 4 | ||||
| -rw-r--r-- | include/linux/dma-fence.h | 4 | ||||
| -rw-r--r-- | include/linux/dma-resv.h (renamed from include/linux/reservation.h) | 134 |
7 files changed, 79 insertions, 99 deletions
diff --git a/include/drm/drmP.h b/include/drm/drmP.h index 94aae87b1138..037b1f7a87a5 100644 --- a/include/drm/drmP.h +++ b/include/drm/drmP.h @@ -87,7 +87,7 @@ struct module; struct device_node; struct videomode; -struct reservation_object; +struct dma_resv; struct dma_buf_attachment; struct pci_dev; diff --git a/include/drm/drm_gem.h b/include/drm/drm_gem.h index ae693c0666cd..6aaba14f5972 100644 --- a/include/drm/drm_gem.h +++ b/include/drm/drm_gem.h @@ -35,7 +35,7 @@ */ #include <linux/kref.h> -#include <linux/reservation.h> +#include <linux/dma-resv.h> #include <drm/drm_vma_manager.h> @@ -276,7 +276,7 @@ struct drm_gem_object { * * Normally (@resv == &@_resv) except for imported GEM objects. */ - struct reservation_object *resv; + struct dma_resv *resv; /** * @_resv: @@ -285,7 +285,7 @@ struct drm_gem_object { * * This is unused for imported GEM objects. */ - struct reservation_object _resv; + struct dma_resv _resv; /** * @funcs: @@ -390,7 +390,7 @@ void drm_gem_put_pages(struct drm_gem_object *obj, struct page **pages, int drm_gem_objects_lookup(struct drm_file *filp, void __user *bo_handles, int count, struct drm_gem_object ***objs_out); struct drm_gem_object *drm_gem_object_lookup(struct drm_file *filp, u32 handle); -long drm_gem_reservation_object_wait(struct drm_file *filep, u32 handle, +long drm_gem_dma_resv_wait(struct drm_file *filep, u32 handle, bool wait_all, unsigned long timeout); int drm_gem_lock_reservations(struct drm_gem_object **objs, int count, struct ww_acquire_ctx *acquire_ctx); diff --git a/include/drm/ttm/ttm_bo_api.h b/include/drm/ttm/ttm_bo_api.h index 65ef5376de59..43c4929a2171 100644 --- a/include/drm/ttm/ttm_bo_api.h +++ b/include/drm/ttm/ttm_bo_api.h @@ -40,7 +40,7 @@ #include <linux/mutex.h> #include <linux/mm.h> #include <linux/bitmap.h> -#include <linux/reservation.h> +#include <linux/dma-resv.h> struct ttm_bo_global; @@ -273,7 +273,7 @@ struct ttm_bo_kmap_obj { struct ttm_operation_ctx { bool interruptible; bool no_wait_gpu; - struct reservation_object *resv; + struct dma_resv *resv; uint64_t bytes_moved; uint32_t flags; }; @@ -493,7 +493,7 @@ size_t ttm_bo_dma_acc_size(struct ttm_bo_device *bdev, * @page_alignment: Data alignment in pages. * @ctx: TTM operation context for memory allocation. * @acc_size: Accounted size for this object. - * @resv: Pointer to a reservation_object, or NULL to let ttm allocate one. + * @resv: Pointer to a dma_resv, or NULL to let ttm allocate one. * @destroy: Destroy function. Use NULL for kfree(). * * This function initializes a pre-allocated struct ttm_buffer_object. @@ -526,7 +526,7 @@ int ttm_bo_init_reserved(struct ttm_bo_device *bdev, struct ttm_operation_ctx *ctx, size_t acc_size, struct sg_table *sg, - struct reservation_object *resv, + struct dma_resv *resv, void (*destroy) (struct ttm_buffer_object *)); /** @@ -545,7 +545,7 @@ int ttm_bo_init_reserved(struct ttm_bo_device *bdev, * point to the shmem object backing a GEM object if TTM is used to back a * GEM user interface. * @acc_size: Accounted size for this object. - * @resv: Pointer to a reservation_object, or NULL to let ttm allocate one. + * @resv: Pointer to a dma_resv, or NULL to let ttm allocate one. * @destroy: Destroy function. Use NULL for kfree(). * * This function initializes a pre-allocated struct ttm_buffer_object. @@ -570,7 +570,7 @@ int ttm_bo_init(struct ttm_bo_device *bdev, struct ttm_buffer_object *bo, unsigned long size, enum ttm_bo_type type, struct ttm_placement *placement, uint32_t page_alignment, bool interrubtible, size_t acc_size, - struct sg_table *sg, struct reservation_object *resv, + struct sg_table *sg, struct dma_resv *resv, void (*destroy) (struct ttm_buffer_object *)); /** diff --git a/include/drm/ttm/ttm_bo_driver.h b/include/drm/ttm/ttm_bo_driver.h index 3f1935c19a66..e88e00c6cbf2 100644 --- a/include/drm/ttm/ttm_bo_driver.h +++ b/include/drm/ttm/ttm_bo_driver.h @@ -35,7 +35,7 @@ #include <linux/workqueue.h> #include <linux/fs.h> #include <linux/spinlock.h> -#include <linux/reservation.h> +#include <linux/dma-resv.h> #include "ttm_bo_api.h" #include "ttm_memory.h" @@ -654,14 +654,14 @@ static inline int __ttm_bo_reserve(struct ttm_buffer_object *bo, if (WARN_ON(ticket)) return -EBUSY; - success = reservation_object_trylock(bo->base.resv); + success = dma_resv_trylock(bo->base.resv); return success ? 0 : -EBUSY; } if (interruptible) - ret = reservation_object_lock_interruptible(bo->base.resv, ticket); + ret = dma_resv_lock_interruptible(bo->base.resv, ticket); else - ret = reservation_object_lock(bo->base.resv, ticket); + ret = dma_resv_lock(bo->base.resv, ticket); if (ret == -EINTR) return -ERESTARTSYS; return ret; @@ -745,10 +745,10 @@ static inline int ttm_bo_reserve_slowpath(struct ttm_buffer_object *bo, WARN_ON(!kref_read(&bo->kref)); if (interruptible) - ret = reservation_object_lock_slow_interruptible(bo->base.resv, + ret = dma_resv_lock_slow_interruptible(bo->base.resv, ticket); else - reservation_object_lock_slow(bo->base.resv, ticket); + dma_resv_lock_slow(bo->base.resv, ticket); if (likely(ret == 0)) ttm_bo_del_sub_from_lru(bo); @@ -773,7 +773,7 @@ static inline void ttm_bo_unreserve(struct ttm_buffer_object *bo) else ttm_bo_move_to_lru_tail(bo, NULL); spin_unlock(&bo->bdev->glob->lru_lock); - reservation_object_unlock(bo->base.resv); + dma_resv_unlock(bo->base.resv); } /* diff --git a/include/linux/dma-buf.h b/include/linux/dma-buf.h index bae060fae862..ec212cb27fdc 100644 --- a/include/linux/dma-buf.h +++ b/include/linux/dma-buf.h @@ -306,7 +306,7 @@ struct dma_buf { struct module *owner; struct list_head list_node; void *priv; - struct reservation_object *resv; + struct dma_resv *resv; /* poll support */ wait_queue_head_t poll; @@ -365,7 +365,7 @@ struct dma_buf_export_info { const struct dma_buf_ops *ops; size_t size; int flags; - struct reservation_object *resv; + struct dma_resv *resv; void *priv; }; diff --git a/include/linux/dma-fence.h b/include/linux/dma-fence.h index bea1d05cf51e..404aa748eda6 100644 --- a/include/linux/dma-fence.h +++ b/include/linux/dma-fence.h @@ -279,7 +279,7 @@ static inline struct dma_fence *dma_fence_get(struct dma_fence *fence) } /** - * dma_fence_get_rcu - get a fence from a reservation_object_list with + * dma_fence_get_rcu - get a fence from a dma_resv_list with * rcu read lock * @fence: fence to increase refcount of * @@ -303,7 +303,7 @@ static inline struct dma_fence *dma_fence_get_rcu(struct dma_fence *fence) * so long as the caller is using RCU on the pointer to the fence. * * An alternative mechanism is to employ a seqlock to protect a bunch of - * fences, such as used by struct reservation_object. When using a seqlock, + * fences, such as used by struct dma_resv. When using a seqlock, * the seqlock must be taken before and checked after a reference to the * fence is acquired (as shown here). * diff --git a/include/linux/reservation.h b/include/linux/dma-resv.h index acddefea694f..38f2802afabb 100644 --- a/include/linux/reservation.h +++ b/include/linux/dma-resv.h @@ -48,38 +48,37 @@ extern struct ww_class reservation_ww_class; /** - * struct reservation_object_list - a list of shared fences + * struct dma_resv_list - a list of shared fences * @rcu: for internal use * @shared_count: table of shared fences * @shared_max: for growing shared fence table * @shared: shared fence table */ -struct reservation_object_list { +struct dma_resv_list { struct rcu_head rcu; u32 shared_count, shared_max; struct dma_fence __rcu *shared[]; }; /** - * struct reservation_object - a reservation object manages fences for a buffer + * struct dma_resv - a reservation object manages fences for a buffer * @lock: update side lock * @seq: sequence count for managing RCU read-side synchronization * @fence_excl: the exclusive fence, if there is one currently * @fence: list of current shared fences */ -struct reservation_object { +struct dma_resv { struct ww_mutex lock; struct dma_fence __rcu *fence_excl; - struct reservation_object_list __rcu *fence; + struct dma_resv_list __rcu *fence; }; -#define reservation_object_held(obj) lockdep_is_held(&(obj)->lock.base) -#define reservation_object_assert_held(obj) \ - lockdep_assert_held(&(obj)->lock.base) +#define dma_resv_held(obj) lockdep_is_held(&(obj)->lock.base) +#define dma_resv_assert_held(obj) lockdep_assert_held(&(obj)->lock.base) /** - * reservation_object_get_excl - get the reservation object's + * dma_resv_get_excl - get the reservation object's * exclusive fence, with update-side lock held * @obj: the reservation object * @@ -90,30 +89,28 @@ struct reservation_object { * RETURNS * The exclusive fence or NULL */ -static inline struct dma_fence * -reservation_object_get_excl(struct reservation_object *obj) +static inline struct dma_fence *dma_resv_get_excl(struct dma_resv *obj) { return rcu_dereference_protected(obj->fence_excl, - reservation_object_held(obj)); + dma_resv_held(obj)); } /** - * reservation_object_get_list - get the reservation object's + * dma_resv_get_list - get the reservation object's * shared fence list, with update-side lock held * @obj: the reservation object * * Returns the shared fence list. Does NOT take references to * the fence. The obj->lock must be held. */ -static inline struct reservation_object_list * -reservation_object_get_list(struct reservation_object *obj) +static inline struct dma_resv_list *dma_resv_get_list(struct dma_resv *obj) { return rcu_dereference_protected(obj->fence, - reservation_object_held(obj)); + dma_resv_held(obj)); } /** - * reservation_object_fences - read consistent fence pointers + * dma_resv_fences - read consistent fence pointers * @obj: reservation object where we get the fences from * @excl: pointer for the exclusive fence * @list: pointer for the shared fence list @@ -121,22 +118,21 @@ reservation_object_get_list(struct reservation_object *obj) * Make sure we have a consisten exclusive fence and shared fence list. * Must be called with rcu read side lock held. */ -static inline void -reservation_object_fences(struct reservation_object *obj, - struct dma_fence **excl, - struct reservation_object_list **list, - u32 *shared_count) +static inline void dma_resv_fences(struct dma_resv *obj, + struct dma_fence **excl, + struct dma_resv_list **list, + u32 *shared_count) { do { *excl = rcu_dereference(obj->fence_excl); *list = rcu_dereference(obj->fence); *shared_count = *list ? (*list)->shared_count : 0; - smp_rmb(); /* See reservation_object_add_excl_fence */ + smp_rmb(); /* See dma_resv_add_excl_fence */ } while (rcu_access_pointer(obj->fence_excl) != *excl); } /** - * reservation_object_get_excl_rcu - get the reservation object's + * dma_resv_get_excl_rcu - get the reservation object's * exclusive fence, without lock held. * @obj: the reservation object * @@ -146,8 +142,7 @@ reservation_object_fences(struct reservation_object *obj, * RETURNS * The exclusive fence or NULL if none */ -static inline struct dma_fence * -reservation_object_get_excl_rcu(struct reservation_object *obj) +static inline struct dma_fence *dma_resv_get_excl_rcu(struct dma_resv *obj) { struct dma_fence *fence; @@ -162,7 +157,7 @@ reservation_object_get_excl_rcu(struct reservation_object *obj) } /** - * reservation_object_lock - lock the reservation object + * dma_resv_lock - lock the reservation object * @obj: the reservation object * @ctx: the locking context * @@ -176,15 +171,14 @@ reservation_object_get_excl_rcu(struct reservation_object *obj) * is detected. See ww_mutex_lock() and ww_acquire_init(). A reservation * object may be locked by itself by passing NULL as @ctx. */ -static inline int -reservation_object_lock(struct reservation_object *obj, - struct ww_acquire_ctx *ctx) +static inline int dma_resv_lock(struct dma_resv *obj, + struct ww_acquire_ctx *ctx) { return ww_mutex_lock(&obj->lock, ctx); } /** - * reservation_object_lock_interruptible - lock the reservation object + * dma_resv_lock_interruptible - lock the reservation object * @obj: the reservation object * @ctx: the locking context * @@ -198,48 +192,45 @@ reservation_object_lock(struct reservation_object *obj, * is detected. See ww_mutex_lock() and ww_acquire_init(). A reservation * object may be locked by itself by passing NULL as @ctx. */ -static inline int -reservation_object_lock_interruptible(struct reservation_object *obj, - struct ww_acquire_ctx *ctx) +static inline int dma_resv_lock_interruptible(struct dma_resv *obj, + struct ww_acquire_ctx *ctx) { return ww_mutex_lock_interruptible(&obj->lock, ctx); } /** - * reservation_object_lock_slow - slowpath lock the reservation object + * dma_resv_lock_slow - slowpath lock the reservation object * @obj: the reservation object * @ctx: the locking context * * Acquires the reservation object after a die case. This function - * will sleep until the lock becomes available. See reservation_object_lock() as + * will sleep until the lock becomes available. See dma_resv_lock() as * well. */ -static inline void -reservation_object_lock_slow(struct reservation_object *obj, - struct ww_acquire_ctx *ctx) +static inline void dma_resv_lock_slow(struct dma_resv *obj, + struct ww_acquire_ctx *ctx) { ww_mutex_lock_slow(&obj->lock, ctx); } /** - * reservation_object_lock_slow_interruptible - slowpath lock the reservation + * dma_resv_lock_slow_interruptible - slowpath lock the reservation * object, interruptible * @obj: the reservation object * @ctx: the locking context * * Acquires the reservation object interruptible after a die case. This function * will sleep until the lock becomes available. See - * reservation_object_lock_interruptible() as well. + * dma_resv_lock_interruptible() as well. */ -static inline int -reservation_object_lock_slow_interruptible(struct reservation_object *obj, - struct ww_acquire_ctx *ctx) +static inline int dma_resv_lock_slow_interruptible(struct dma_resv *obj, + struct ww_acquire_ctx *ctx) { return ww_mutex_lock_slow_interruptible(&obj->lock, ctx); } /** - * reservation_object_trylock - trylock the reservation object + * dma_resv_trylock - trylock the reservation object * @obj: the reservation object * * Tries to lock the reservation object for exclusive access and modification. @@ -252,51 +243,46 @@ reservation_object_lock_slow_interruptible(struct reservation_object *obj, * * Returns true if the lock was acquired, false otherwise. */ -static inline bool __must_check -reservation_object_trylock(struct reservation_object *obj) +static inline bool __must_check dma_resv_trylock(struct dma_resv *obj) { return ww_mutex_trylock(&obj->lock); } /** - * reservation_object_is_locked - is the reservation object locked + * dma_resv_is_locked - is the reservation object locked * @obj: the reservation object * * Returns true if the mutex is locked, false if unlocked. */ -static inline bool -reservation_object_is_locked(struct reservation_object *obj) +static inline bool dma_resv_is_locked(struct dma_resv *obj) { return ww_mutex_is_locked(&obj->lock); } /** - * reservation_object_locking_ctx - returns the context used to lock the object + * dma_resv_locking_ctx - returns the context used to lock the object * @obj: the reservation object * * Returns the context used to lock a reservation object or NULL if no context * was used or the object is not locked at all. */ -static inline struct ww_acquire_ctx * -reservation_object_locking_ctx(struct reservation_object *obj) +static inline struct ww_acquire_ctx *dma_resv_locking_ctx(struct dma_resv *obj) { return READ_ONCE(obj->lock.ctx); } /** - * reservation_object_unlock - unlock the reservation object + * dma_resv_unlock - unlock the reservation object * @obj: the reservation object * * Unlocks the reservation object following exclusive access. */ -static inline void -reservation_object_unlock(struct reservation_object *obj) +static inline void dma_resv_unlock(struct dma_resv *obj) { #ifdef CONFIG_DEBUG_MUTEXES /* Test shared fence slot reservation */ if (rcu_access_pointer(obj->fence)) { - struct reservation_object_list *fence = - reservation_object_get_list(obj); + struct dma_resv_list *fence = dma_resv_get_list(obj); fence->shared_max = fence->shared_count; } @@ -304,29 +290,23 @@ reservation_object_unlock(struct reservation_object *obj) ww_mutex_unlock(&obj->lock); } -void reservation_object_init(struct reservation_object *obj); -void reservation_object_fini(struct reservation_object *obj); -int reservation_object_reserve_shared(struct reservation_object *obj, - unsigned int num_fences); -void reservation_object_add_shared_fence(struct reservation_object *obj, - struct dma_fence *fence); +void dma_resv_init(struct dma_resv *obj); +void dma_resv_fini(struct dma_resv *obj); +int dma_resv_reserve_shared(struct dma_resv *obj, unsigned int num_fences); +void dma_resv_add_shared_fence(struct dma_resv *obj, struct dma_fence *fence); -void reservation_object_add_excl_fence(struct reservation_object *obj, - struct dma_fence *fence); +void dma_resv_add_excl_fence(struct dma_resv *obj, struct dma_fence *fence); -int reservation_object_get_fences_rcu(struct reservation_object *obj, - struct dma_fence **pfence_excl, - unsigned *pshared_count, - struct dma_fence ***pshared); +int dma_resv_get_fences_rcu(struct dma_resv *obj, + struct dma_fence **pfence_excl, + unsigned *pshared_count, + struct dma_fence ***pshared); -int reservation_object_copy_fences(struct reservation_object *dst, - struct reservation_object *src); +int dma_resv_copy_fences(struct dma_resv *dst, struct dma_resv *src); -long reservation_object_wait_timeout_rcu(struct reservation_object *obj, - bool wait_all, bool intr, - unsigned long timeout); +long dma_resv_wait_timeout_rcu(struct dma_resv *obj, bool wait_all, bool intr, + unsigned long timeout); -bool reservation_object_test_signaled_rcu(struct reservation_object *obj, - bool test_all); +bool dma_resv_test_signaled_rcu(struct dma_resv *obj, bool test_all); #endif /* _LINUX_RESERVATION_H */ |