2 * Copyright 2008 Advanced Micro Devices, Inc.
3 * Copyright 2008 Red Hat Inc.
4 * Copyright 2009 Jerome Glisse.
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the "Software"),
8 * to deal in the Software without restriction, including without limitation
9 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10 * and/or sell copies of the Software, and to permit persons to whom the
11 * Software is furnished to do so, subject to the following conditions:
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
20 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
21 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
22 * OTHER DEALINGS IN THE SOFTWARE.
24 * Authors: Dave Airlie
28 #ifndef __AMDGPU_OBJECT_H__
29 #define __AMDGPU_OBJECT_H__
31 #include <drm/amdgpu_drm.h>
34 #define AMDGPU_BO_INVALID_OFFSET LONG_MAX
36 struct amdgpu_bo_param {
41 enum ttm_bo_type type;
42 struct reservation_object *resv;
45 /* bo virtual addresses in a vm */
46 struct amdgpu_bo_va_mapping {
47 struct amdgpu_bo_va *bo_va;
48 struct list_head list;
52 uint64_t __subtree_last;
57 /* User space allocated BO in a VM */
59 struct amdgpu_vm_bo_base base;
61 /* protected by bo being reserved */
64 /* all other members protected by the VM PD being reserved */
65 struct dma_fence *last_pt_update;
67 /* mappings for this bo_va */
68 struct list_head invalids;
69 struct list_head valids;
71 /* If the mappings are cleared or filled */
76 /* Protected by tbo.reserved */
77 u32 preferred_domains;
79 struct ttm_place placements[AMDGPU_GEM_DOMAIN_MAX + 1];
80 struct ttm_placement placement;
81 struct ttm_buffer_object tbo;
82 struct ttm_bo_kmap_obj kmap;
89 unsigned prime_shared_count;
90 /* list of all virtual address to which this bo is associated to */
92 /* Constant after initialization */
93 struct drm_gem_object gem_base;
94 struct amdgpu_bo *parent;
95 struct amdgpu_bo *shadow;
97 struct ttm_bo_kmap_obj dma_buf_vmap;
101 struct list_head mn_list;
102 struct list_head shadow_list;
105 struct kgd_mem *kfd_bo;
108 static inline struct amdgpu_bo *ttm_to_amdgpu_bo(struct ttm_buffer_object *tbo)
110 return container_of(tbo, struct amdgpu_bo, tbo);
114 * amdgpu_mem_type_to_domain - return domain corresponding to mem_type
115 * @mem_type: ttm memory type
117 * Returns corresponding domain of the ttm mem_type
119 static inline unsigned amdgpu_mem_type_to_domain(u32 mem_type)
123 return AMDGPU_GEM_DOMAIN_VRAM;
125 return AMDGPU_GEM_DOMAIN_GTT;
127 return AMDGPU_GEM_DOMAIN_CPU;
129 return AMDGPU_GEM_DOMAIN_GDS;
131 return AMDGPU_GEM_DOMAIN_GWS;
133 return AMDGPU_GEM_DOMAIN_OA;
141 * amdgpu_bo_reserve - reserve bo
143 * @no_intr: don't return -ERESTARTSYS on pending signal
146 * -ERESTARTSYS: A wait for the buffer to become unreserved was interrupted by
147 * a signal. Release all buffer reservations and return to user-space.
149 static inline int amdgpu_bo_reserve(struct amdgpu_bo *bo, bool no_intr)
151 struct amdgpu_device *adev = amdgpu_ttm_adev(bo->tbo.bdev);
154 r = ttm_bo_reserve(&bo->tbo, !no_intr, false, NULL);
155 if (unlikely(r != 0)) {
156 if (r != -ERESTARTSYS)
157 dev_err(adev->dev, "%p reserve failed\n", bo);
163 static inline void amdgpu_bo_unreserve(struct amdgpu_bo *bo)
165 ttm_bo_unreserve(&bo->tbo);
168 static inline unsigned long amdgpu_bo_size(struct amdgpu_bo *bo)
170 return bo->tbo.num_pages << PAGE_SHIFT;
173 static inline unsigned amdgpu_bo_ngpu_pages(struct amdgpu_bo *bo)
175 return (bo->tbo.num_pages << PAGE_SHIFT) / AMDGPU_GPU_PAGE_SIZE;
178 static inline unsigned amdgpu_bo_gpu_page_alignment(struct amdgpu_bo *bo)
180 return (bo->tbo.mem.page_alignment << PAGE_SHIFT) / AMDGPU_GPU_PAGE_SIZE;
184 * amdgpu_bo_mmap_offset - return mmap offset of bo
185 * @bo: amdgpu object for which we query the offset
187 * Returns mmap offset of the object.
189 static inline u64 amdgpu_bo_mmap_offset(struct amdgpu_bo *bo)
191 return drm_vma_node_offset_addr(&bo->tbo.vma_node);
195 * amdgpu_bo_gpu_accessible - return whether the bo is currently in memory that
196 * is accessible to the GPU.
198 static inline bool amdgpu_bo_gpu_accessible(struct amdgpu_bo *bo)
200 switch (bo->tbo.mem.mem_type) {
201 case TTM_PL_TT: return amdgpu_gtt_mgr_has_gart_addr(&bo->tbo.mem);
202 case TTM_PL_VRAM: return true;
203 default: return false;
208 * amdgpu_bo_in_cpu_visible_vram - check if BO is (partly) in visible VRAM
210 static inline bool amdgpu_bo_in_cpu_visible_vram(struct amdgpu_bo *bo)
212 struct amdgpu_device *adev = amdgpu_ttm_adev(bo->tbo.bdev);
213 unsigned fpfn = adev->gmc.visible_vram_size >> PAGE_SHIFT;
214 struct drm_mm_node *node = bo->tbo.mem.mm_node;
215 unsigned long pages_left;
217 if (bo->tbo.mem.mem_type != TTM_PL_VRAM)
220 for (pages_left = bo->tbo.mem.num_pages; pages_left;
221 pages_left -= node->size, node++)
222 if (node->start < fpfn)
229 * amdgpu_bo_explicit_sync - return whether the bo is explicitly synced
231 static inline bool amdgpu_bo_explicit_sync(struct amdgpu_bo *bo)
233 return bo->flags & AMDGPU_GEM_CREATE_EXPLICIT_SYNC;
236 int amdgpu_bo_create(struct amdgpu_device *adev,
237 struct amdgpu_bo_param *bp,
238 struct amdgpu_bo **bo_ptr);
239 int amdgpu_bo_create_reserved(struct amdgpu_device *adev,
240 unsigned long size, int align,
241 u32 domain, struct amdgpu_bo **bo_ptr,
242 u64 *gpu_addr, void **cpu_addr);
243 int amdgpu_bo_create_kernel(struct amdgpu_device *adev,
244 unsigned long size, int align,
245 u32 domain, struct amdgpu_bo **bo_ptr,
246 u64 *gpu_addr, void **cpu_addr);
247 void amdgpu_bo_free_kernel(struct amdgpu_bo **bo, u64 *gpu_addr,
249 int amdgpu_bo_kmap(struct amdgpu_bo *bo, void **ptr);
250 void *amdgpu_bo_kptr(struct amdgpu_bo *bo);
251 void amdgpu_bo_kunmap(struct amdgpu_bo *bo);
252 struct amdgpu_bo *amdgpu_bo_ref(struct amdgpu_bo *bo);
253 void amdgpu_bo_unref(struct amdgpu_bo **bo);
254 int amdgpu_bo_pin(struct amdgpu_bo *bo, u32 domain, u64 *gpu_addr);
255 int amdgpu_bo_pin_restricted(struct amdgpu_bo *bo, u32 domain,
256 u64 min_offset, u64 max_offset,
258 int amdgpu_bo_unpin(struct amdgpu_bo *bo);
259 int amdgpu_bo_evict_vram(struct amdgpu_device *adev);
260 int amdgpu_bo_init(struct amdgpu_device *adev);
261 int amdgpu_bo_late_init(struct amdgpu_device *adev);
262 void amdgpu_bo_fini(struct amdgpu_device *adev);
263 int amdgpu_bo_fbdev_mmap(struct amdgpu_bo *bo,
264 struct vm_area_struct *vma);
265 int amdgpu_bo_set_tiling_flags(struct amdgpu_bo *bo, u64 tiling_flags);
266 void amdgpu_bo_get_tiling_flags(struct amdgpu_bo *bo, u64 *tiling_flags);
267 int amdgpu_bo_set_metadata (struct amdgpu_bo *bo, void *metadata,
268 uint32_t metadata_size, uint64_t flags);
269 int amdgpu_bo_get_metadata(struct amdgpu_bo *bo, void *buffer,
270 size_t buffer_size, uint32_t *metadata_size,
272 void amdgpu_bo_move_notify(struct ttm_buffer_object *bo,
274 struct ttm_mem_reg *new_mem);
275 int amdgpu_bo_fault_reserve_notify(struct ttm_buffer_object *bo);
276 void amdgpu_bo_fence(struct amdgpu_bo *bo, struct dma_fence *fence,
278 u64 amdgpu_bo_gpu_offset(struct amdgpu_bo *bo);
279 int amdgpu_bo_backup_to_shadow(struct amdgpu_device *adev,
280 struct amdgpu_ring *ring,
281 struct amdgpu_bo *bo,
282 struct reservation_object *resv,
283 struct dma_fence **fence, bool direct);
284 int amdgpu_bo_validate(struct amdgpu_bo *bo);
285 int amdgpu_bo_restore_from_shadow(struct amdgpu_device *adev,
286 struct amdgpu_ring *ring,
287 struct amdgpu_bo *bo,
288 struct reservation_object *resv,
289 struct dma_fence **fence,
297 static inline uint64_t amdgpu_sa_bo_gpu_addr(struct amdgpu_sa_bo *sa_bo)
299 return sa_bo->manager->gpu_addr + sa_bo->soffset;
302 static inline void * amdgpu_sa_bo_cpu_addr(struct amdgpu_sa_bo *sa_bo)
304 return sa_bo->manager->cpu_ptr + sa_bo->soffset;
307 int amdgpu_sa_bo_manager_init(struct amdgpu_device *adev,
308 struct amdgpu_sa_manager *sa_manager,
309 unsigned size, u32 align, u32 domain);
310 void amdgpu_sa_bo_manager_fini(struct amdgpu_device *adev,
311 struct amdgpu_sa_manager *sa_manager);
312 int amdgpu_sa_bo_manager_start(struct amdgpu_device *adev,
313 struct amdgpu_sa_manager *sa_manager);
314 int amdgpu_sa_bo_new(struct amdgpu_sa_manager *sa_manager,
315 struct amdgpu_sa_bo **sa_bo,
316 unsigned size, unsigned align);
317 void amdgpu_sa_bo_free(struct amdgpu_device *adev,
318 struct amdgpu_sa_bo **sa_bo,
319 struct dma_fence *fence);
320 #if defined(CONFIG_DEBUG_FS)
321 void amdgpu_sa_bo_dump_debug_info(struct amdgpu_sa_manager *sa_manager,