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>
33 #include "amdgpu_res_cursor.h"
35 #ifdef CONFIG_MMU_NOTIFIER
36 #include <linux/mmu_notifier.h>
39 #define AMDGPU_BO_INVALID_OFFSET LONG_MAX
40 #define AMDGPU_BO_MAX_PLACEMENTS 3
42 /* BO flag to indicate a KFD userptr BO */
43 #define AMDGPU_AMDKFD_CREATE_USERPTR_BO (1ULL << 63)
44 #define AMDGPU_AMDKFD_CREATE_SVM_BO (1ULL << 62)
46 #define to_amdgpu_bo_user(abo) container_of((abo), struct amdgpu_bo_user, bo)
47 #define to_amdgpu_bo_vm(abo) container_of((abo), struct amdgpu_bo_vm, bo)
49 struct amdgpu_bo_param {
56 enum ttm_bo_type type;
58 struct dma_resv *resv;
61 /* bo virtual addresses in a vm */
62 struct amdgpu_bo_va_mapping {
63 struct amdgpu_bo_va *bo_va;
64 struct list_head list;
68 uint64_t __subtree_last;
73 /* User space allocated BO in a VM */
75 struct amdgpu_vm_bo_base base;
77 /* protected by bo being reserved */
80 /* all other members protected by the VM PD being reserved */
81 struct dma_fence *last_pt_update;
83 /* mappings for this bo_va */
84 struct list_head invalids;
85 struct list_head valids;
87 /* If the mappings are cleared or filled */
94 /* Protected by tbo.reserved */
95 u32 preferred_domains;
97 struct ttm_place placements[AMDGPU_BO_MAX_PLACEMENTS];
98 struct ttm_placement placement;
99 struct ttm_buffer_object tbo;
100 struct ttm_bo_kmap_obj kmap;
102 unsigned prime_shared_count;
103 /* per VM structure for page tables and with virtual addresses */
104 struct amdgpu_vm_bo_base *vm_bo;
105 /* Constant after initialization */
106 struct amdgpu_bo *parent;
108 #ifdef CONFIG_MMU_NOTIFIER
109 struct mmu_interval_notifier notifier;
112 struct list_head shadow_list;
114 struct kgd_mem *kfd_bo;
117 struct amdgpu_bo_user {
126 struct amdgpu_bo_vm {
128 struct amdgpu_bo *shadow;
129 struct amdgpu_vm_pt entries[];
132 static inline struct amdgpu_bo *ttm_to_amdgpu_bo(struct ttm_buffer_object *tbo)
134 return container_of(tbo, struct amdgpu_bo, tbo);
138 * amdgpu_mem_type_to_domain - return domain corresponding to mem_type
139 * @mem_type: ttm memory type
141 * Returns corresponding domain of the ttm mem_type
143 static inline unsigned amdgpu_mem_type_to_domain(u32 mem_type)
147 return AMDGPU_GEM_DOMAIN_VRAM;
149 return AMDGPU_GEM_DOMAIN_GTT;
151 return AMDGPU_GEM_DOMAIN_CPU;
153 return AMDGPU_GEM_DOMAIN_GDS;
155 return AMDGPU_GEM_DOMAIN_GWS;
157 return AMDGPU_GEM_DOMAIN_OA;
165 * amdgpu_bo_reserve - reserve bo
167 * @no_intr: don't return -ERESTARTSYS on pending signal
170 * -ERESTARTSYS: A wait for the buffer to become unreserved was interrupted by
171 * a signal. Release all buffer reservations and return to user-space.
173 static inline int amdgpu_bo_reserve(struct amdgpu_bo *bo, bool no_intr)
175 struct amdgpu_device *adev = amdgpu_ttm_adev(bo->tbo.bdev);
178 r = ttm_bo_reserve(&bo->tbo, !no_intr, false, NULL);
179 if (unlikely(r != 0)) {
180 if (r != -ERESTARTSYS)
181 dev_err(adev->dev, "%p reserve failed\n", bo);
187 static inline void amdgpu_bo_unreserve(struct amdgpu_bo *bo)
189 ttm_bo_unreserve(&bo->tbo);
192 static inline unsigned long amdgpu_bo_size(struct amdgpu_bo *bo)
194 return bo->tbo.base.size;
197 static inline unsigned amdgpu_bo_ngpu_pages(struct amdgpu_bo *bo)
199 return bo->tbo.base.size / AMDGPU_GPU_PAGE_SIZE;
202 static inline unsigned amdgpu_bo_gpu_page_alignment(struct amdgpu_bo *bo)
204 return (bo->tbo.page_alignment << PAGE_SHIFT) / AMDGPU_GPU_PAGE_SIZE;
208 * amdgpu_bo_mmap_offset - return mmap offset of bo
209 * @bo: amdgpu object for which we query the offset
211 * Returns mmap offset of the object.
213 static inline u64 amdgpu_bo_mmap_offset(struct amdgpu_bo *bo)
215 return drm_vma_node_offset_addr(&bo->tbo.base.vma_node);
219 * amdgpu_bo_in_cpu_visible_vram - check if BO is (partly) in visible VRAM
221 static inline bool amdgpu_bo_in_cpu_visible_vram(struct amdgpu_bo *bo)
223 struct amdgpu_device *adev = amdgpu_ttm_adev(bo->tbo.bdev);
224 struct amdgpu_res_cursor cursor;
226 if (bo->tbo.resource->mem_type != TTM_PL_VRAM)
229 amdgpu_res_first(bo->tbo.resource, 0, amdgpu_bo_size(bo), &cursor);
230 while (cursor.remaining) {
231 if (cursor.start < adev->gmc.visible_vram_size)
234 amdgpu_res_next(&cursor, cursor.size);
241 * amdgpu_bo_explicit_sync - return whether the bo is explicitly synced
243 static inline bool amdgpu_bo_explicit_sync(struct amdgpu_bo *bo)
245 return bo->flags & AMDGPU_GEM_CREATE_EXPLICIT_SYNC;
249 * amdgpu_bo_encrypted - test if the BO is encrypted
250 * @bo: pointer to a buffer object
252 * Return true if the buffer object is encrypted, false otherwise.
254 static inline bool amdgpu_bo_encrypted(struct amdgpu_bo *bo)
256 return bo->flags & AMDGPU_GEM_CREATE_ENCRYPTED;
260 * amdgpu_bo_shadowed - check if the BO is shadowed
262 * @bo: BO to be tested.
265 * NULL if not shadowed or else return a BO pointer.
267 static inline struct amdgpu_bo *amdgpu_bo_shadowed(struct amdgpu_bo *bo)
269 if (bo->tbo.type == ttm_bo_type_kernel)
270 return to_amdgpu_bo_vm(bo)->shadow;
275 bool amdgpu_bo_is_amdgpu_bo(struct ttm_buffer_object *bo);
276 void amdgpu_bo_placement_from_domain(struct amdgpu_bo *abo, u32 domain);
278 int amdgpu_bo_create(struct amdgpu_device *adev,
279 struct amdgpu_bo_param *bp,
280 struct amdgpu_bo **bo_ptr);
281 int amdgpu_bo_create_reserved(struct amdgpu_device *adev,
282 unsigned long size, int align,
283 u32 domain, struct amdgpu_bo **bo_ptr,
284 u64 *gpu_addr, void **cpu_addr);
285 int amdgpu_bo_create_kernel(struct amdgpu_device *adev,
286 unsigned long size, int align,
287 u32 domain, struct amdgpu_bo **bo_ptr,
288 u64 *gpu_addr, void **cpu_addr);
289 int amdgpu_bo_create_kernel_at(struct amdgpu_device *adev,
290 uint64_t offset, uint64_t size, uint32_t domain,
291 struct amdgpu_bo **bo_ptr, void **cpu_addr);
292 int amdgpu_bo_create_user(struct amdgpu_device *adev,
293 struct amdgpu_bo_param *bp,
294 struct amdgpu_bo_user **ubo_ptr);
295 int amdgpu_bo_create_vm(struct amdgpu_device *adev,
296 struct amdgpu_bo_param *bp,
297 struct amdgpu_bo_vm **ubo_ptr);
298 void amdgpu_bo_free_kernel(struct amdgpu_bo **bo, u64 *gpu_addr,
300 int amdgpu_bo_kmap(struct amdgpu_bo *bo, void **ptr);
301 void *amdgpu_bo_kptr(struct amdgpu_bo *bo);
302 void amdgpu_bo_kunmap(struct amdgpu_bo *bo);
303 struct amdgpu_bo *amdgpu_bo_ref(struct amdgpu_bo *bo);
304 void amdgpu_bo_unref(struct amdgpu_bo **bo);
305 int amdgpu_bo_pin(struct amdgpu_bo *bo, u32 domain);
306 int amdgpu_bo_pin_restricted(struct amdgpu_bo *bo, u32 domain,
307 u64 min_offset, u64 max_offset);
308 void amdgpu_bo_unpin(struct amdgpu_bo *bo);
309 int amdgpu_bo_evict_vram(struct amdgpu_device *adev);
310 int amdgpu_bo_init(struct amdgpu_device *adev);
311 void amdgpu_bo_fini(struct amdgpu_device *adev);
312 int amdgpu_bo_set_tiling_flags(struct amdgpu_bo *bo, u64 tiling_flags);
313 void amdgpu_bo_get_tiling_flags(struct amdgpu_bo *bo, u64 *tiling_flags);
314 int amdgpu_bo_set_metadata (struct amdgpu_bo *bo, void *metadata,
315 uint32_t metadata_size, uint64_t flags);
316 int amdgpu_bo_get_metadata(struct amdgpu_bo *bo, void *buffer,
317 size_t buffer_size, uint32_t *metadata_size,
319 void amdgpu_bo_move_notify(struct ttm_buffer_object *bo,
321 struct ttm_resource *new_mem);
322 void amdgpu_bo_release_notify(struct ttm_buffer_object *bo);
323 vm_fault_t amdgpu_bo_fault_reserve_notify(struct ttm_buffer_object *bo);
324 void amdgpu_bo_fence(struct amdgpu_bo *bo, struct dma_fence *fence,
326 int amdgpu_bo_sync_wait_resv(struct amdgpu_device *adev, struct dma_resv *resv,
327 enum amdgpu_sync_mode sync_mode, void *owner,
329 int amdgpu_bo_sync_wait(struct amdgpu_bo *bo, void *owner, bool intr);
330 u64 amdgpu_bo_gpu_offset(struct amdgpu_bo *bo);
331 u64 amdgpu_bo_gpu_offset_no_check(struct amdgpu_bo *bo);
332 int amdgpu_bo_validate(struct amdgpu_bo *bo);
333 void amdgpu_bo_get_memory(struct amdgpu_bo *bo, uint64_t *vram_mem,
334 uint64_t *gtt_mem, uint64_t *cpu_mem);
335 void amdgpu_bo_add_to_shadow_list(struct amdgpu_bo *bo);
336 int amdgpu_bo_restore_shadow(struct amdgpu_bo *shadow,
337 struct dma_fence **fence);
338 uint32_t amdgpu_bo_get_preferred_pin_domain(struct amdgpu_device *adev,
345 static inline uint64_t amdgpu_sa_bo_gpu_addr(struct amdgpu_sa_bo *sa_bo)
347 return sa_bo->manager->gpu_addr + sa_bo->soffset;
350 static inline void * amdgpu_sa_bo_cpu_addr(struct amdgpu_sa_bo *sa_bo)
352 return sa_bo->manager->cpu_ptr + sa_bo->soffset;
355 int amdgpu_sa_bo_manager_init(struct amdgpu_device *adev,
356 struct amdgpu_sa_manager *sa_manager,
357 unsigned size, u32 align, u32 domain);
358 void amdgpu_sa_bo_manager_fini(struct amdgpu_device *adev,
359 struct amdgpu_sa_manager *sa_manager);
360 int amdgpu_sa_bo_manager_start(struct amdgpu_device *adev,
361 struct amdgpu_sa_manager *sa_manager);
362 int amdgpu_sa_bo_new(struct amdgpu_sa_manager *sa_manager,
363 struct amdgpu_sa_bo **sa_bo,
364 unsigned size, unsigned align);
365 void amdgpu_sa_bo_free(struct amdgpu_device *adev,
366 struct amdgpu_sa_bo **sa_bo,
367 struct dma_fence *fence);
368 #if defined(CONFIG_DEBUG_FS)
369 void amdgpu_sa_bo_dump_debug_info(struct amdgpu_sa_manager *sa_manager,
371 u64 amdgpu_bo_print_info(int id, struct amdgpu_bo *bo, struct seq_file *m);
373 void amdgpu_debugfs_sa_init(struct amdgpu_device *adev);
375 bool amdgpu_bo_support_uswc(u64 bo_flags);