dma-buf: rename reservation_object to dma_resv
[linux-block.git] / drivers / gpu / drm / ttm / ttm_bo.c
index 3e0a0cbc410ee764e61c2b59909475a4346dd925..58d1f2b281320a4a4c80ffce3e7d08def2c8f172 100644 (file)
@@ -41,7 +41,7 @@
 #include <linux/file.h>
 #include <linux/module.h>
 #include <linux/atomic.h>
-#include <linux/reservation.h>
+#include <linux/dma-resv.h>
 
 static void ttm_bo_global_kobj_release(struct kobject *kobj);
 
@@ -161,7 +161,7 @@ static void ttm_bo_release_list(struct kref *list_kref)
        atomic_dec(&bo->bdev->glob->bo_count);
        dma_fence_put(bo->moving);
        if (!ttm_bo_uses_embedded_gem_object(bo))
-               reservation_object_fini(&bo->base._resv);
+               dma_resv_fini(&bo->base._resv);
        mutex_destroy(&bo->wu_mutex);
        bo->destroy(bo);
        ttm_mem_global_free(bdev->glob->mem_glob, acc_size);
@@ -173,7 +173,7 @@ static void ttm_bo_add_mem_to_lru(struct ttm_buffer_object *bo,
        struct ttm_bo_device *bdev = bo->bdev;
        struct ttm_mem_type_manager *man;
 
-       reservation_object_assert_held(bo->resv);
+       dma_resv_assert_held(bo->base.resv);
 
        if (!list_empty(&bo->lru))
                return;
@@ -244,7 +244,7 @@ static void ttm_bo_bulk_move_set_pos(struct ttm_lru_bulk_move_pos *pos,
 void ttm_bo_move_to_lru_tail(struct ttm_buffer_object *bo,
                             struct ttm_lru_bulk_move *bulk)
 {
-       reservation_object_assert_held(bo->resv);
+       dma_resv_assert_held(bo->base.resv);
 
        ttm_bo_del_from_lru(bo);
        ttm_bo_add_to_lru(bo);
@@ -277,8 +277,8 @@ void ttm_bo_bulk_move_lru_tail(struct ttm_lru_bulk_move *bulk)
                if (!pos->first)
                        continue;
 
-               reservation_object_assert_held(pos->first->resv);
-               reservation_object_assert_held(pos->last->resv);
+               dma_resv_assert_held(pos->first->base.resv);
+               dma_resv_assert_held(pos->last->base.resv);
 
                man = &pos->first->bdev->man[TTM_PL_TT];
                list_bulk_move_tail(&man->lru[i], &pos->first->lru,
@@ -292,8 +292,8 @@ void ttm_bo_bulk_move_lru_tail(struct ttm_lru_bulk_move *bulk)
                if (!pos->first)
                        continue;
 
-               reservation_object_assert_held(pos->first->resv);
-               reservation_object_assert_held(pos->last->resv);
+               dma_resv_assert_held(pos->first->base.resv);
+               dma_resv_assert_held(pos->last->base.resv);
 
                man = &pos->first->bdev->man[TTM_PL_VRAM];
                list_bulk_move_tail(&man->lru[i], &pos->first->lru,
@@ -307,8 +307,8 @@ void ttm_bo_bulk_move_lru_tail(struct ttm_lru_bulk_move *bulk)
                if (!pos->first)
                        continue;
 
-               reservation_object_assert_held(pos->first->resv);
-               reservation_object_assert_held(pos->last->resv);
+               dma_resv_assert_held(pos->first->base.resv);
+               dma_resv_assert_held(pos->last->base.resv);
 
                lru = &pos->first->bdev->glob->swap_lru[i];
                list_bulk_move_tail(lru, &pos->first->swap, &pos->last->swap);
@@ -439,32 +439,32 @@ static int ttm_bo_individualize_resv(struct ttm_buffer_object *bo)
 {
        int r;
 
-       if (bo->resv == &bo->base._resv)
+       if (bo->base.resv == &bo->base._resv)
                return 0;
 
-       BUG_ON(!reservation_object_trylock(&bo->base._resv));
+       BUG_ON(!dma_resv_trylock(&bo->base._resv));
 
-       r = reservation_object_copy_fences(&bo->base._resv, bo->resv);
+       r = dma_resv_copy_fences(&bo->base._resv, bo->base.resv);
        if (r)
-               reservation_object_unlock(&bo->base._resv);
+               dma_resv_unlock(&bo->base._resv);
 
        return r;
 }
 
 static void ttm_bo_flush_all_fences(struct ttm_buffer_object *bo)
 {
-       struct reservation_object_list *fobj;
+       struct dma_resv_list *fobj;
        struct dma_fence *fence;
        int i;
 
-       fobj = reservation_object_get_list(&bo->base._resv);
-       fence = reservation_object_get_excl(&bo->base._resv);
+       fobj = dma_resv_get_list(&bo->base._resv);
+       fence = dma_resv_get_excl(&bo->base._resv);
        if (fence && !fence->ops->signaled)
                dma_fence_enable_sw_signaling(fence);
 
        for (i = 0; fobj && i < fobj->shared_count; ++i) {
                fence = rcu_dereference_protected(fobj->shared[i],
-                                       reservation_object_held(bo->resv));
+                                       dma_resv_held(bo->base.resv));
 
                if (!fence->ops->signaled)
                        dma_fence_enable_sw_signaling(fence);
@@ -482,23 +482,23 @@ static void ttm_bo_cleanup_refs_or_queue(struct ttm_buffer_object *bo)
                /* Last resort, if we fail to allocate memory for the
                 * fences block for the BO to become idle
                 */
-               reservation_object_wait_timeout_rcu(bo->resv, true, false,
+               dma_resv_wait_timeout_rcu(bo->base.resv, true, false,
                                                    30 * HZ);
                spin_lock(&glob->lru_lock);
                goto error;
        }
 
        spin_lock(&glob->lru_lock);
-       ret = reservation_object_trylock(bo->resv) ? 0 : -EBUSY;
+       ret = dma_resv_trylock(bo->base.resv) ? 0 : -EBUSY;
        if (!ret) {
-               if (reservation_object_test_signaled_rcu(&bo->base._resv, true)) {
+               if (dma_resv_test_signaled_rcu(&bo->base._resv, true)) {
                        ttm_bo_del_from_lru(bo);
                        spin_unlock(&glob->lru_lock);
-                       if (bo->resv != &bo->base._resv)
-                               reservation_object_unlock(&bo->base._resv);
+                       if (bo->base.resv != &bo->base._resv)
+                               dma_resv_unlock(&bo->base._resv);
 
                        ttm_bo_cleanup_memtype_use(bo);
-                       reservation_object_unlock(bo->resv);
+                       dma_resv_unlock(bo->base.resv);
                        return;
                }
 
@@ -514,10 +514,10 @@ static void ttm_bo_cleanup_refs_or_queue(struct ttm_buffer_object *bo)
                        ttm_bo_add_to_lru(bo);
                }
 
-               reservation_object_unlock(bo->resv);
+               dma_resv_unlock(bo->base.resv);
        }
-       if (bo->resv != &bo->base._resv)
-               reservation_object_unlock(&bo->base._resv);
+       if (bo->base.resv != &bo->base._resv)
+               dma_resv_unlock(&bo->base._resv);
 
 error:
        kref_get(&bo->list_kref);
@@ -546,15 +546,15 @@ static int ttm_bo_cleanup_refs(struct ttm_buffer_object *bo,
                               bool unlock_resv)
 {
        struct ttm_bo_global *glob = bo->bdev->glob;
-       struct reservation_object *resv;
+       struct dma_resv *resv;
        int ret;
 
        if (unlikely(list_empty(&bo->ddestroy)))
-               resv = bo->resv;
+               resv = bo->base.resv;
        else
                resv = &bo->base._resv;
 
-       if (reservation_object_test_signaled_rcu(resv, true))
+       if (dma_resv_test_signaled_rcu(resv, true))
                ret = 0;
        else
                ret = -EBUSY;
@@ -563,10 +563,10 @@ static int ttm_bo_cleanup_refs(struct ttm_buffer_object *bo,
                long lret;
 
                if (unlock_resv)
-                       reservation_object_unlock(bo->resv);
+                       dma_resv_unlock(bo->base.resv);
                spin_unlock(&glob->lru_lock);
 
-               lret = reservation_object_wait_timeout_rcu(resv, true,
+               lret = dma_resv_wait_timeout_rcu(resv, true,
                                                           interruptible,
                                                           30 * HZ);
 
@@ -576,7 +576,7 @@ static int ttm_bo_cleanup_refs(struct ttm_buffer_object *bo,
                        return -EBUSY;
 
                spin_lock(&glob->lru_lock);
-               if (unlock_resv && !reservation_object_trylock(bo->resv)) {
+               if (unlock_resv && !dma_resv_trylock(bo->base.resv)) {
                        /*
                         * We raced, and lost, someone else holds the reservation now,
                         * and is probably busy in ttm_bo_cleanup_memtype_use.
@@ -593,7 +593,7 @@ static int ttm_bo_cleanup_refs(struct ttm_buffer_object *bo,
 
        if (ret || unlikely(list_empty(&bo->ddestroy))) {
                if (unlock_resv)
-                       reservation_object_unlock(bo->resv);
+                       dma_resv_unlock(bo->base.resv);
                spin_unlock(&glob->lru_lock);
                return ret;
        }
@@ -606,7 +606,7 @@ static int ttm_bo_cleanup_refs(struct ttm_buffer_object *bo,
        ttm_bo_cleanup_memtype_use(bo);
 
        if (unlock_resv)
-               reservation_object_unlock(bo->resv);
+               dma_resv_unlock(bo->base.resv);
 
        return 0;
 }
@@ -632,14 +632,14 @@ static bool ttm_bo_delayed_delete(struct ttm_bo_device *bdev, bool remove_all)
                kref_get(&bo->list_kref);
                list_move_tail(&bo->ddestroy, &removed);
 
-               if (remove_all || bo->resv != &bo->base._resv) {
+               if (remove_all || bo->base.resv != &bo->base._resv) {
                        spin_unlock(&glob->lru_lock);
-                       reservation_object_lock(bo->resv, NULL);
+                       dma_resv_lock(bo->base.resv, NULL);
 
                        spin_lock(&glob->lru_lock);
                        ttm_bo_cleanup_refs(bo, false, !remove_all, true);
 
-               } else if (reservation_object_trylock(bo->resv)) {
+               } else if (dma_resv_trylock(bo->base.resv)) {
                        ttm_bo_cleanup_refs(bo, false, !remove_all, true);
                } else {
                        spin_unlock(&glob->lru_lock);
@@ -708,7 +708,7 @@ static int ttm_bo_evict(struct ttm_buffer_object *bo,
        struct ttm_placement placement;
        int ret = 0;
 
-       reservation_object_assert_held(bo->resv);
+       dma_resv_assert_held(bo->base.resv);
 
        placement.num_placement = 0;
        placement.num_busy_placement = 0;
@@ -778,8 +778,8 @@ static bool ttm_bo_evict_swapout_allowable(struct ttm_buffer_object *bo,
 {
        bool ret = false;
 
-       if (bo->resv == ctx->resv) {
-               reservation_object_assert_held(bo->resv);
+       if (bo->base.resv == ctx->resv) {
+               dma_resv_assert_held(bo->base.resv);
                if (ctx->flags & TTM_OPT_FLAG_ALLOW_RES_EVICT
                    || !list_empty(&bo->ddestroy))
                        ret = true;
@@ -787,7 +787,7 @@ static bool ttm_bo_evict_swapout_allowable(struct ttm_buffer_object *bo,
                if (busy)
                        *busy = false;
        } else {
-               ret = reservation_object_trylock(bo->resv);
+               ret = dma_resv_trylock(bo->base.resv);
                *locked = ret;
                if (busy)
                        *busy = !ret;
@@ -815,10 +815,10 @@ static int ttm_mem_evict_wait_busy(struct ttm_buffer_object *busy_bo,
                return -EBUSY;
 
        if (ctx->interruptible)
-               r = reservation_object_lock_interruptible(busy_bo->resv,
+               r = dma_resv_lock_interruptible(busy_bo->base.resv,
                                                          ticket);
        else
-               r = reservation_object_lock(busy_bo->resv, ticket);
+               r = dma_resv_lock(busy_bo->base.resv, ticket);
 
        /*
         * TODO: It would be better to keep the BO locked until allocation is at
@@ -826,7 +826,7 @@ static int ttm_mem_evict_wait_busy(struct ttm_buffer_object *busy_bo,
         * of TTM.
         */
        if (!r)
-               reservation_object_unlock(busy_bo->resv);
+               dma_resv_unlock(busy_bo->base.resv);
 
        return r == -EDEADLK ? -EBUSY : r;
 }
@@ -852,7 +852,7 @@ static int ttm_mem_evict_first(struct ttm_bo_device *bdev,
                        if (!ttm_bo_evict_swapout_allowable(bo, ctx, &locked,
                                                            &busy)) {
                                if (busy && !busy_bo && ticket !=
-                                   reservation_object_locking_ctx(bo->resv))
+                                   dma_resv_locking_ctx(bo->base.resv))
                                        busy_bo = bo;
                                continue;
                        }
@@ -860,7 +860,7 @@ static int ttm_mem_evict_first(struct ttm_bo_device *bdev,
                        if (place && !bdev->driver->eviction_valuable(bo,
                                                                      place)) {
                                if (locked)
-                                       reservation_object_unlock(bo->resv);
+                                       dma_resv_unlock(bo->base.resv);
                                continue;
                        }
                        break;
@@ -932,9 +932,9 @@ static int ttm_bo_add_move_fence(struct ttm_buffer_object *bo,
        spin_unlock(&man->move_lock);
 
        if (fence) {
-               reservation_object_add_shared_fence(bo->resv, fence);
+               dma_resv_add_shared_fence(bo->base.resv, fence);
 
-               ret = reservation_object_reserve_shared(bo->resv, 1);
+               ret = dma_resv_reserve_shared(bo->base.resv, 1);
                if (unlikely(ret)) {
                        dma_fence_put(fence);
                        return ret;
@@ -961,7 +961,7 @@ static int ttm_bo_mem_force_space(struct ttm_buffer_object *bo,
        struct ww_acquire_ctx *ticket;
        int ret;
 
-       ticket = reservation_object_locking_ctx(bo->resv);
+       ticket = dma_resv_locking_ctx(bo->base.resv);
        do {
                ret = (*man->func->get_node)(man, bo, place, mem);
                if (unlikely(ret != 0))
@@ -1091,7 +1091,7 @@ int ttm_bo_mem_space(struct ttm_buffer_object *bo,
        bool type_found = false;
        int i, ret;
 
-       ret = reservation_object_reserve_shared(bo->resv, 1);
+       ret = dma_resv_reserve_shared(bo->base.resv, 1);
        if (unlikely(ret))
                return ret;
 
@@ -1172,7 +1172,7 @@ static int ttm_bo_move_buffer(struct ttm_buffer_object *bo,
        int ret = 0;
        struct ttm_mem_reg mem;
 
-       reservation_object_assert_held(bo->resv);
+       dma_resv_assert_held(bo->base.resv);
 
        mem.num_pages = bo->num_pages;
        mem.size = mem.num_pages << PAGE_SHIFT;
@@ -1242,7 +1242,7 @@ int ttm_bo_validate(struct ttm_buffer_object *bo,
        int ret;
        uint32_t new_flags;
 
-       reservation_object_assert_held(bo->resv);
+       dma_resv_assert_held(bo->base.resv);
        /*
         * Check whether we need to move buffer.
         */
@@ -1279,7 +1279,7 @@ 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 *))
 {
        int ret = 0;
@@ -1332,17 +1332,17 @@ int ttm_bo_init_reserved(struct ttm_bo_device *bdev,
        bo->acc_size = acc_size;
        bo->sg = sg;
        if (resv) {
-               bo->resv = resv;
-               reservation_object_assert_held(bo->resv);
+               bo->base.resv = resv;
+               dma_resv_assert_held(bo->base.resv);
        } else {
-               bo->resv = &bo->base._resv;
+               bo->base.resv = &bo->base._resv;
        }
        if (!ttm_bo_uses_embedded_gem_object(bo)) {
                /*
                 * bo.gem is not initialized, so we have to setup the
                 * struct elements we want use regardless.
                 */
-               reservation_object_init(&bo->base._resv);
+               dma_resv_init(&bo->base._resv);
                drm_vma_node_reset(&bo->base.vma_node);
        }
        atomic_inc(&bo->bdev->glob->bo_count);
@@ -1360,7 +1360,7 @@ int ttm_bo_init_reserved(struct ttm_bo_device *bdev,
         * since otherwise lockdep will be angered in radeon.
         */
        if (!resv) {
-               locked = reservation_object_trylock(bo->resv);
+               locked = dma_resv_trylock(bo->base.resv);
                WARN_ON(!locked);
        }
 
@@ -1394,7 +1394,7 @@ int ttm_bo_init(struct ttm_bo_device *bdev,
                bool interruptible,
                size_t acc_size,
                struct sg_table *sg,
-               struct reservation_object *resv,
+               struct dma_resv *resv,
                void (*destroy) (struct ttm_buffer_object *))
 {
        struct ttm_operation_ctx ctx = { interruptible, false };
@@ -1804,13 +1804,13 @@ int ttm_bo_wait(struct ttm_buffer_object *bo,
        long timeout = 15 * HZ;
 
        if (no_wait) {
-               if (reservation_object_test_signaled_rcu(bo->resv, true))
+               if (dma_resv_test_signaled_rcu(bo->base.resv, true))
                        return 0;
                else
                        return -EBUSY;
        }
 
-       timeout = reservation_object_wait_timeout_rcu(bo->resv, true,
+       timeout = dma_resv_wait_timeout_rcu(bo->base.resv, true,
                                                      interruptible, timeout);
        if (timeout < 0)
                return timeout;
@@ -1818,7 +1818,7 @@ int ttm_bo_wait(struct ttm_buffer_object *bo,
        if (timeout == 0)
                return -EBUSY;
 
-       reservation_object_add_excl_fence(bo->resv, NULL);
+       dma_resv_add_excl_fence(bo->base.resv, NULL);
        return 0;
 }
 EXPORT_SYMBOL(ttm_bo_wait);
@@ -1934,7 +1934,7 @@ out:
         * already swapped buffer.
         */
        if (locked)
-               reservation_object_unlock(bo->resv);
+               dma_resv_unlock(bo->base.resv);
        kref_put(&bo->list_kref, ttm_bo_release_list);
        return ret;
 }
@@ -1972,14 +1972,14 @@ int ttm_bo_wait_unreserved(struct ttm_buffer_object *bo)
        ret = mutex_lock_interruptible(&bo->wu_mutex);
        if (unlikely(ret != 0))
                return -ERESTARTSYS;
-       if (!reservation_object_is_locked(bo->resv))
+       if (!dma_resv_is_locked(bo->base.resv))
                goto out_unlock;
-       ret = reservation_object_lock_interruptible(bo->resv, NULL);
+       ret = dma_resv_lock_interruptible(bo->base.resv, NULL);
        if (ret == -EINTR)
                ret = -ERESTARTSYS;
        if (unlikely(ret != 0))
                goto out_unlock;
-       reservation_object_unlock(bo->resv);
+       dma_resv_unlock(bo->base.resv);
 
 out_unlock:
        mutex_unlock(&bo->wu_mutex);