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)
45 #define to_amdgpu_bo_user(abo) container_of((abo), struct amdgpu_bo_user, bo)
46 #define to_amdgpu_bo_vm(abo) container_of((abo), struct amdgpu_bo_vm, bo)
48 struct amdgpu_bo_param {
55 enum ttm_bo_type type;
57 struct dma_resv *resv;
58 void (*destroy)(struct ttm_buffer_object *bo);
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 /* per VM structure for page tables and with virtual addresses */
103 struct amdgpu_vm_bo_base *vm_bo;
104 /* Constant after initialization */
105 struct amdgpu_bo *parent;
107 #ifdef CONFIG_MMU_NOTIFIER
108 struct mmu_interval_notifier notifier;
110 struct kgd_mem *kfd_bo;
113 struct amdgpu_bo_user {
122 struct amdgpu_bo_vm {
124 struct amdgpu_bo *shadow;
125 struct list_head shadow_list;
126 struct amdgpu_vm_bo_base entries[];
129 struct amdgpu_mem_stats {
130 /* current VRAM usage, includes visible VRAM */
132 /* current visible VRAM usage */
133 uint64_t visible_vram;
134 /* current GTT usage */
136 /* current system memory usage */
138 /* sum of evicted buffers, includes visible VRAM */
139 uint64_t evicted_vram;
140 /* sum of evicted buffers due to CPU access */
141 uint64_t evicted_visible_vram;
142 /* how much userspace asked for, includes vis.VRAM */
143 uint64_t requested_vram;
144 /* how much userspace asked for */
145 uint64_t requested_visible_vram;
146 /* how much userspace asked for */
147 uint64_t requested_gtt;
150 static inline struct amdgpu_bo *ttm_to_amdgpu_bo(struct ttm_buffer_object *tbo)
152 return container_of(tbo, struct amdgpu_bo, tbo);
156 * amdgpu_mem_type_to_domain - return domain corresponding to mem_type
157 * @mem_type: ttm memory type
159 * Returns corresponding domain of the ttm mem_type
161 static inline unsigned amdgpu_mem_type_to_domain(u32 mem_type)
165 return AMDGPU_GEM_DOMAIN_VRAM;
167 return AMDGPU_GEM_DOMAIN_GTT;
169 return AMDGPU_GEM_DOMAIN_CPU;
171 return AMDGPU_GEM_DOMAIN_GDS;
173 return AMDGPU_GEM_DOMAIN_GWS;
175 return AMDGPU_GEM_DOMAIN_OA;
183 * amdgpu_bo_reserve - reserve bo
185 * @no_intr: don't return -ERESTARTSYS on pending signal
188 * -ERESTARTSYS: A wait for the buffer to become unreserved was interrupted by
189 * a signal. Release all buffer reservations and return to user-space.
191 static inline int amdgpu_bo_reserve(struct amdgpu_bo *bo, bool no_intr)
193 struct amdgpu_device *adev = amdgpu_ttm_adev(bo->tbo.bdev);
196 r = ttm_bo_reserve(&bo->tbo, !no_intr, false, NULL);
197 if (unlikely(r != 0)) {
198 if (r != -ERESTARTSYS)
199 dev_err(adev->dev, "%p reserve failed\n", bo);
205 static inline void amdgpu_bo_unreserve(struct amdgpu_bo *bo)
207 ttm_bo_unreserve(&bo->tbo);
210 static inline unsigned long amdgpu_bo_size(struct amdgpu_bo *bo)
212 return bo->tbo.base.size;
215 static inline unsigned amdgpu_bo_ngpu_pages(struct amdgpu_bo *bo)
217 return bo->tbo.base.size / AMDGPU_GPU_PAGE_SIZE;
220 static inline unsigned amdgpu_bo_gpu_page_alignment(struct amdgpu_bo *bo)
222 return (bo->tbo.page_alignment << PAGE_SHIFT) / AMDGPU_GPU_PAGE_SIZE;
226 * amdgpu_bo_mmap_offset - return mmap offset of bo
227 * @bo: amdgpu object for which we query the offset
229 * Returns mmap offset of the object.
231 static inline u64 amdgpu_bo_mmap_offset(struct amdgpu_bo *bo)
233 return drm_vma_node_offset_addr(&bo->tbo.base.vma_node);
237 * amdgpu_bo_in_cpu_visible_vram - check if BO is (partly) in visible VRAM
239 static inline bool amdgpu_bo_in_cpu_visible_vram(struct amdgpu_bo *bo)
241 struct amdgpu_device *adev = amdgpu_ttm_adev(bo->tbo.bdev);
242 struct amdgpu_res_cursor cursor;
244 if (bo->tbo.resource->mem_type != TTM_PL_VRAM)
247 amdgpu_res_first(bo->tbo.resource, 0, amdgpu_bo_size(bo), &cursor);
248 while (cursor.remaining) {
249 if (cursor.start < adev->gmc.visible_vram_size)
252 amdgpu_res_next(&cursor, cursor.size);
259 * amdgpu_bo_explicit_sync - return whether the bo is explicitly synced
261 static inline bool amdgpu_bo_explicit_sync(struct amdgpu_bo *bo)
263 return bo->flags & AMDGPU_GEM_CREATE_EXPLICIT_SYNC;
267 * amdgpu_bo_encrypted - test if the BO is encrypted
268 * @bo: pointer to a buffer object
270 * Return true if the buffer object is encrypted, false otherwise.
272 static inline bool amdgpu_bo_encrypted(struct amdgpu_bo *bo)
274 return bo->flags & AMDGPU_GEM_CREATE_ENCRYPTED;
278 * amdgpu_bo_shadowed - check if the BO is shadowed
280 * @bo: BO to be tested.
283 * NULL if not shadowed or else return a BO pointer.
285 static inline struct amdgpu_bo *amdgpu_bo_shadowed(struct amdgpu_bo *bo)
287 if (bo->tbo.type == ttm_bo_type_kernel)
288 return to_amdgpu_bo_vm(bo)->shadow;
293 bool amdgpu_bo_is_amdgpu_bo(struct ttm_buffer_object *bo);
294 void amdgpu_bo_placement_from_domain(struct amdgpu_bo *abo, u32 domain);
296 int amdgpu_bo_create(struct amdgpu_device *adev,
297 struct amdgpu_bo_param *bp,
298 struct amdgpu_bo **bo_ptr);
299 int amdgpu_bo_create_reserved(struct amdgpu_device *adev,
300 unsigned long size, int align,
301 u32 domain, struct amdgpu_bo **bo_ptr,
302 u64 *gpu_addr, void **cpu_addr);
303 int amdgpu_bo_create_kernel(struct amdgpu_device *adev,
304 unsigned long size, int align,
305 u32 domain, struct amdgpu_bo **bo_ptr,
306 u64 *gpu_addr, void **cpu_addr);
307 int amdgpu_bo_create_kernel_at(struct amdgpu_device *adev,
308 uint64_t offset, uint64_t size,
309 struct amdgpu_bo **bo_ptr, void **cpu_addr);
310 int amdgpu_bo_create_user(struct amdgpu_device *adev,
311 struct amdgpu_bo_param *bp,
312 struct amdgpu_bo_user **ubo_ptr);
313 int amdgpu_bo_create_vm(struct amdgpu_device *adev,
314 struct amdgpu_bo_param *bp,
315 struct amdgpu_bo_vm **ubo_ptr);
316 void amdgpu_bo_free_kernel(struct amdgpu_bo **bo, u64 *gpu_addr,
318 int amdgpu_bo_kmap(struct amdgpu_bo *bo, void **ptr);
319 void *amdgpu_bo_kptr(struct amdgpu_bo *bo);
320 void amdgpu_bo_kunmap(struct amdgpu_bo *bo);
321 struct amdgpu_bo *amdgpu_bo_ref(struct amdgpu_bo *bo);
322 void amdgpu_bo_unref(struct amdgpu_bo **bo);
323 int amdgpu_bo_pin(struct amdgpu_bo *bo, u32 domain);
324 int amdgpu_bo_pin_restricted(struct amdgpu_bo *bo, u32 domain,
325 u64 min_offset, u64 max_offset);
326 void amdgpu_bo_unpin(struct amdgpu_bo *bo);
327 int amdgpu_bo_init(struct amdgpu_device *adev);
328 void amdgpu_bo_fini(struct amdgpu_device *adev);
329 int amdgpu_bo_set_tiling_flags(struct amdgpu_bo *bo, u64 tiling_flags);
330 void amdgpu_bo_get_tiling_flags(struct amdgpu_bo *bo, u64 *tiling_flags);
331 int amdgpu_bo_set_metadata (struct amdgpu_bo *bo, void *metadata,
332 uint32_t metadata_size, uint64_t flags);
333 int amdgpu_bo_get_metadata(struct amdgpu_bo *bo, void *buffer,
334 size_t buffer_size, uint32_t *metadata_size,
336 void amdgpu_bo_move_notify(struct ttm_buffer_object *bo,
338 struct ttm_resource *new_mem);
339 void amdgpu_bo_release_notify(struct ttm_buffer_object *bo);
340 vm_fault_t amdgpu_bo_fault_reserve_notify(struct ttm_buffer_object *bo);
341 void amdgpu_bo_fence(struct amdgpu_bo *bo, struct dma_fence *fence,
343 int amdgpu_bo_sync_wait_resv(struct amdgpu_device *adev, struct dma_resv *resv,
344 enum amdgpu_sync_mode sync_mode, void *owner,
346 int amdgpu_bo_sync_wait(struct amdgpu_bo *bo, void *owner, bool intr);
347 u64 amdgpu_bo_gpu_offset(struct amdgpu_bo *bo);
348 u64 amdgpu_bo_gpu_offset_no_check(struct amdgpu_bo *bo);
349 void amdgpu_bo_get_memory(struct amdgpu_bo *bo,
350 struct amdgpu_mem_stats *stats);
351 void amdgpu_bo_add_to_shadow_list(struct amdgpu_bo_vm *vmbo);
352 int amdgpu_bo_restore_shadow(struct amdgpu_bo *shadow,
353 struct dma_fence **fence);
354 uint32_t amdgpu_bo_get_preferred_domain(struct amdgpu_device *adev,
360 static inline struct amdgpu_sa_manager *
361 to_amdgpu_sa_manager(struct drm_suballoc_manager *manager)
363 return container_of(manager, struct amdgpu_sa_manager, base);
366 static inline uint64_t amdgpu_sa_bo_gpu_addr(struct drm_suballoc *sa_bo)
368 return to_amdgpu_sa_manager(sa_bo->manager)->gpu_addr +
369 drm_suballoc_soffset(sa_bo);
372 static inline void *amdgpu_sa_bo_cpu_addr(struct drm_suballoc *sa_bo)
374 return to_amdgpu_sa_manager(sa_bo->manager)->cpu_ptr +
375 drm_suballoc_soffset(sa_bo);
378 int amdgpu_sa_bo_manager_init(struct amdgpu_device *adev,
379 struct amdgpu_sa_manager *sa_manager,
380 unsigned size, u32 align, u32 domain);
381 void amdgpu_sa_bo_manager_fini(struct amdgpu_device *adev,
382 struct amdgpu_sa_manager *sa_manager);
383 int amdgpu_sa_bo_manager_start(struct amdgpu_device *adev,
384 struct amdgpu_sa_manager *sa_manager);
385 int amdgpu_sa_bo_new(struct amdgpu_sa_manager *sa_manager,
386 struct drm_suballoc **sa_bo,
388 void amdgpu_sa_bo_free(struct amdgpu_device *adev,
389 struct drm_suballoc **sa_bo,
390 struct dma_fence *fence);
391 #if defined(CONFIG_DEBUG_FS)
392 void amdgpu_sa_bo_dump_debug_info(struct amdgpu_sa_manager *sa_manager,
394 u64 amdgpu_bo_print_info(int id, struct amdgpu_bo *bo, struct seq_file *m);
396 void amdgpu_debugfs_sa_init(struct amdgpu_device *adev);
398 bool amdgpu_bo_support_uswc(u64 bo_flags);