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 {
42 enum ttm_bo_type type;
43 struct reservation_object *resv;
46 /* bo virtual addresses in a vm */
47 struct amdgpu_bo_va_mapping {
48 struct amdgpu_bo_va *bo_va;
49 struct list_head list;
53 uint64_t __subtree_last;
58 /* User space allocated BO in a VM */
60 struct amdgpu_vm_bo_base base;
62 /* protected by bo being reserved */
65 /* all other members protected by the VM PD being reserved */
66 struct dma_fence *last_pt_update;
68 /* mappings for this bo_va */
69 struct list_head invalids;
70 struct list_head valids;
72 /* If the mappings are cleared or filled */
77 /* Protected by tbo.reserved */
78 u32 preferred_domains;
80 struct ttm_place placements[AMDGPU_GEM_DOMAIN_MAX + 1];
81 struct ttm_placement placement;
82 struct ttm_buffer_object tbo;
83 struct ttm_bo_kmap_obj kmap;
90 unsigned prime_shared_count;
91 /* list of all virtual address to which this bo is associated to */
93 /* Constant after initialization */
94 struct drm_gem_object gem_base;
95 struct amdgpu_bo *parent;
96 struct amdgpu_bo *shadow;
98 struct ttm_bo_kmap_obj dma_buf_vmap;
102 struct list_head mn_list;
103 struct list_head shadow_list;
106 struct kgd_mem *kfd_bo;
109 static inline struct amdgpu_bo *ttm_to_amdgpu_bo(struct ttm_buffer_object *tbo)
111 return container_of(tbo, struct amdgpu_bo, tbo);
115 * amdgpu_mem_type_to_domain - return domain corresponding to mem_type
116 * @mem_type: ttm memory type
118 * Returns corresponding domain of the ttm mem_type
120 static inline unsigned amdgpu_mem_type_to_domain(u32 mem_type)
124 return AMDGPU_GEM_DOMAIN_VRAM;
126 return AMDGPU_GEM_DOMAIN_GTT;
128 return AMDGPU_GEM_DOMAIN_CPU;
130 return AMDGPU_GEM_DOMAIN_GDS;
132 return AMDGPU_GEM_DOMAIN_GWS;
134 return AMDGPU_GEM_DOMAIN_OA;
142 * amdgpu_bo_reserve - reserve bo
144 * @no_intr: don't return -ERESTARTSYS on pending signal
147 * -ERESTARTSYS: A wait for the buffer to become unreserved was interrupted by
148 * a signal. Release all buffer reservations and return to user-space.
150 static inline int amdgpu_bo_reserve(struct amdgpu_bo *bo, bool no_intr)
152 struct amdgpu_device *adev = amdgpu_ttm_adev(bo->tbo.bdev);
155 r = ttm_bo_reserve(&bo->tbo, !no_intr, false, NULL);
156 if (unlikely(r != 0)) {
157 if (r != -ERESTARTSYS)
158 dev_err(adev->dev, "%p reserve failed\n", bo);
164 static inline void amdgpu_bo_unreserve(struct amdgpu_bo *bo)
166 ttm_bo_unreserve(&bo->tbo);
169 static inline unsigned long amdgpu_bo_size(struct amdgpu_bo *bo)
171 return bo->tbo.num_pages << PAGE_SHIFT;
174 static inline unsigned amdgpu_bo_ngpu_pages(struct amdgpu_bo *bo)
176 return (bo->tbo.num_pages << PAGE_SHIFT) / AMDGPU_GPU_PAGE_SIZE;
179 static inline unsigned amdgpu_bo_gpu_page_alignment(struct amdgpu_bo *bo)
181 return (bo->tbo.mem.page_alignment << PAGE_SHIFT) / AMDGPU_GPU_PAGE_SIZE;
185 * amdgpu_bo_mmap_offset - return mmap offset of bo
186 * @bo: amdgpu object for which we query the offset
188 * Returns mmap offset of the object.
190 static inline u64 amdgpu_bo_mmap_offset(struct amdgpu_bo *bo)
192 return drm_vma_node_offset_addr(&bo->tbo.vma_node);
196 * amdgpu_bo_gpu_accessible - return whether the bo is currently in memory that
197 * is accessible to the GPU.
199 static inline bool amdgpu_bo_gpu_accessible(struct amdgpu_bo *bo)
201 switch (bo->tbo.mem.mem_type) {
202 case TTM_PL_TT: return amdgpu_gtt_mgr_has_gart_addr(&bo->tbo.mem);
203 case TTM_PL_VRAM: return true;
204 default: return false;
209 * amdgpu_bo_in_cpu_visible_vram - check if BO is (partly) in visible VRAM
211 static inline bool amdgpu_bo_in_cpu_visible_vram(struct amdgpu_bo *bo)
213 struct amdgpu_device *adev = amdgpu_ttm_adev(bo->tbo.bdev);
214 unsigned fpfn = adev->gmc.visible_vram_size >> PAGE_SHIFT;
215 struct drm_mm_node *node = bo->tbo.mem.mm_node;
216 unsigned long pages_left;
218 if (bo->tbo.mem.mem_type != TTM_PL_VRAM)
221 for (pages_left = bo->tbo.mem.num_pages; pages_left;
222 pages_left -= node->size, node++)
223 if (node->start < fpfn)
230 * amdgpu_bo_explicit_sync - return whether the bo is explicitly synced
232 static inline bool amdgpu_bo_explicit_sync(struct amdgpu_bo *bo)
234 return bo->flags & AMDGPU_GEM_CREATE_EXPLICIT_SYNC;
237 int amdgpu_bo_create(struct amdgpu_device *adev,
238 struct amdgpu_bo_param *bp,
239 struct amdgpu_bo **bo_ptr);
240 int amdgpu_bo_create_reserved(struct amdgpu_device *adev,
241 unsigned long size, int align,
242 u32 domain, struct amdgpu_bo **bo_ptr,
243 u64 *gpu_addr, void **cpu_addr);
244 int amdgpu_bo_create_kernel(struct amdgpu_device *adev,
245 unsigned long size, int align,
246 u32 domain, struct amdgpu_bo **bo_ptr,
247 u64 *gpu_addr, void **cpu_addr);
248 void amdgpu_bo_free_kernel(struct amdgpu_bo **bo, u64 *gpu_addr,
250 int amdgpu_bo_kmap(struct amdgpu_bo *bo, void **ptr);
251 void *amdgpu_bo_kptr(struct amdgpu_bo *bo);
252 void amdgpu_bo_kunmap(struct amdgpu_bo *bo);
253 struct amdgpu_bo *amdgpu_bo_ref(struct amdgpu_bo *bo);
254 void amdgpu_bo_unref(struct amdgpu_bo **bo);
255 int amdgpu_bo_pin(struct amdgpu_bo *bo, u32 domain, u64 *gpu_addr);
256 int amdgpu_bo_pin_restricted(struct amdgpu_bo *bo, u32 domain,
257 u64 min_offset, u64 max_offset,
259 int amdgpu_bo_unpin(struct amdgpu_bo *bo);
260 int amdgpu_bo_evict_vram(struct amdgpu_device *adev);
261 int amdgpu_bo_init(struct amdgpu_device *adev);
262 int amdgpu_bo_late_init(struct amdgpu_device *adev);
263 void amdgpu_bo_fini(struct amdgpu_device *adev);
264 int amdgpu_bo_fbdev_mmap(struct amdgpu_bo *bo,
265 struct vm_area_struct *vma);
266 int amdgpu_bo_set_tiling_flags(struct amdgpu_bo *bo, u64 tiling_flags);
267 void amdgpu_bo_get_tiling_flags(struct amdgpu_bo *bo, u64 *tiling_flags);
268 int amdgpu_bo_set_metadata (struct amdgpu_bo *bo, void *metadata,
269 uint32_t metadata_size, uint64_t flags);
270 int amdgpu_bo_get_metadata(struct amdgpu_bo *bo, void *buffer,
271 size_t buffer_size, uint32_t *metadata_size,
273 void amdgpu_bo_move_notify(struct ttm_buffer_object *bo,
275 struct ttm_mem_reg *new_mem);
276 int amdgpu_bo_fault_reserve_notify(struct ttm_buffer_object *bo);
277 void amdgpu_bo_fence(struct amdgpu_bo *bo, struct dma_fence *fence,
279 u64 amdgpu_bo_gpu_offset(struct amdgpu_bo *bo);
280 int amdgpu_bo_backup_to_shadow(struct amdgpu_device *adev,
281 struct amdgpu_ring *ring,
282 struct amdgpu_bo *bo,
283 struct reservation_object *resv,
284 struct dma_fence **fence, bool direct);
285 int amdgpu_bo_validate(struct amdgpu_bo *bo);
286 int amdgpu_bo_restore_from_shadow(struct amdgpu_device *adev,
287 struct amdgpu_ring *ring,
288 struct amdgpu_bo *bo,
289 struct reservation_object *resv,
290 struct dma_fence **fence,
298 static inline uint64_t amdgpu_sa_bo_gpu_addr(struct amdgpu_sa_bo *sa_bo)
300 return sa_bo->manager->gpu_addr + sa_bo->soffset;
303 static inline void * amdgpu_sa_bo_cpu_addr(struct amdgpu_sa_bo *sa_bo)
305 return sa_bo->manager->cpu_ptr + sa_bo->soffset;
308 int amdgpu_sa_bo_manager_init(struct amdgpu_device *adev,
309 struct amdgpu_sa_manager *sa_manager,
310 unsigned size, u32 align, u32 domain);
311 void amdgpu_sa_bo_manager_fini(struct amdgpu_device *adev,
312 struct amdgpu_sa_manager *sa_manager);
313 int amdgpu_sa_bo_manager_start(struct amdgpu_device *adev,
314 struct amdgpu_sa_manager *sa_manager);
315 int amdgpu_sa_bo_new(struct amdgpu_sa_manager *sa_manager,
316 struct amdgpu_sa_bo **sa_bo,
317 unsigned size, unsigned align);
318 void amdgpu_sa_bo_free(struct amdgpu_device *adev,
319 struct amdgpu_sa_bo **sa_bo,
320 struct dma_fence *fence);
321 #if defined(CONFIG_DEBUG_FS)
322 void amdgpu_sa_bo_dump_debug_info(struct amdgpu_sa_manager *sa_manager,