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1/*
2 * Copyright 2008 Advanced Micro Devices, Inc.
3 * Copyright 2008 Red Hat Inc.
4 * Copyright 2009 Jerome Glisse.
5 *
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:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
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.
23 *
24 * Authors: Dave Airlie
25 * Alex Deucher
26 * Jerome Glisse
27 */
28#ifndef __AMDGPU_OBJECT_H__
29#define __AMDGPU_OBJECT_H__
30
31#include <drm/amdgpu_drm.h>
32#include "amdgpu.h"
33#include "amdgpu_res_cursor.h"
34
35#ifdef CONFIG_MMU_NOTIFIER
36#include <linux/mmu_notifier.h>
37#endif
38
39#define AMDGPU_BO_INVALID_OFFSET LONG_MAX
40#define AMDGPU_BO_MAX_PLACEMENTS 3
41
42/* BO flag to indicate a KFD userptr BO */
43#define AMDGPU_AMDKFD_CREATE_USERPTR_BO (1ULL << 63)
44
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)
47
48struct amdgpu_bo_param {
49 unsigned long size;
50 int byte_align;
51 u32 bo_ptr_size;
52 u32 domain;
53 u32 preferred_domain;
54 u64 flags;
55 enum ttm_bo_type type;
56 bool no_wait_gpu;
57 struct dma_resv *resv;
58 void (*destroy)(struct ttm_buffer_object *bo);
59 /* xcp partition number plus 1, 0 means any partition */
60 int8_t xcp_id_plus1;
61};
62
63/* bo virtual addresses in a vm */
64struct amdgpu_bo_va_mapping {
65 struct amdgpu_bo_va *bo_va;
66 struct list_head list;
67 struct rb_node rb;
68 uint64_t start;
69 uint64_t last;
70 uint64_t __subtree_last;
71 uint64_t offset;
72 uint64_t flags;
73};
74
75/* User space allocated BO in a VM */
76struct amdgpu_bo_va {
77 struct amdgpu_vm_bo_base base;
78
79 /* protected by bo being reserved */
80 unsigned ref_count;
81
82 /* all other members protected by the VM PD being reserved */
83 struct dma_fence *last_pt_update;
84
85 /* mappings for this bo_va */
86 struct list_head invalids;
87 struct list_head valids;
88
89 /* If the mappings are cleared or filled */
90 bool cleared;
91
92 bool is_xgmi;
93};
94
95struct amdgpu_bo {
96 /* Protected by tbo.reserved */
97 u32 preferred_domains;
98 u32 allowed_domains;
99 struct ttm_place placements[AMDGPU_BO_MAX_PLACEMENTS];
100 struct ttm_placement placement;
101 struct ttm_buffer_object tbo;
102 struct ttm_bo_kmap_obj kmap;
103 u64 flags;
104 /* per VM structure for page tables and with virtual addresses */
105 struct amdgpu_vm_bo_base *vm_bo;
106 /* Constant after initialization */
107 struct amdgpu_bo *parent;
108
109#ifdef CONFIG_MMU_NOTIFIER
110 struct mmu_interval_notifier notifier;
111#endif
112 struct kgd_mem *kfd_bo;
113
114 /*
115 * For GPUs with spatial partitioning, xcp partition number, -1 means
116 * any partition. For other ASICs without spatial partition, always 0
117 * for memory accounting.
118 */
119 int8_t xcp_id;
120};
121
122struct amdgpu_bo_user {
123 struct amdgpu_bo bo;
124 u64 tiling_flags;
125 u64 metadata_flags;
126 void *metadata;
127 u32 metadata_size;
128
129};
130
131struct amdgpu_bo_vm {
132 struct amdgpu_bo bo;
133 struct amdgpu_bo *shadow;
134 struct list_head shadow_list;
135 struct amdgpu_vm_bo_base entries[];
136};
137
138struct amdgpu_mem_stats {
139 /* current VRAM usage, includes visible VRAM */
140 uint64_t vram;
141 /* current shared VRAM usage, includes visible VRAM */
142 uint64_t vram_shared;
143 /* current visible VRAM usage */
144 uint64_t visible_vram;
145 /* current GTT usage */
146 uint64_t gtt;
147 /* current shared GTT usage */
148 uint64_t gtt_shared;
149 /* current system memory usage */
150 uint64_t cpu;
151 /* current shared system memory usage */
152 uint64_t cpu_shared;
153 /* sum of evicted buffers, includes visible VRAM */
154 uint64_t evicted_vram;
155 /* sum of evicted buffers due to CPU access */
156 uint64_t evicted_visible_vram;
157 /* how much userspace asked for, includes vis.VRAM */
158 uint64_t requested_vram;
159 /* how much userspace asked for */
160 uint64_t requested_visible_vram;
161 /* how much userspace asked for */
162 uint64_t requested_gtt;
163};
164
165static inline struct amdgpu_bo *ttm_to_amdgpu_bo(struct ttm_buffer_object *tbo)
166{
167 return container_of(tbo, struct amdgpu_bo, tbo);
168}
169
170/**
171 * amdgpu_mem_type_to_domain - return domain corresponding to mem_type
172 * @mem_type: ttm memory type
173 *
174 * Returns corresponding domain of the ttm mem_type
175 */
176static inline unsigned amdgpu_mem_type_to_domain(u32 mem_type)
177{
178 switch (mem_type) {
179 case TTM_PL_VRAM:
180 return AMDGPU_GEM_DOMAIN_VRAM;
181 case TTM_PL_TT:
182 return AMDGPU_GEM_DOMAIN_GTT;
183 case TTM_PL_SYSTEM:
184 return AMDGPU_GEM_DOMAIN_CPU;
185 case AMDGPU_PL_GDS:
186 return AMDGPU_GEM_DOMAIN_GDS;
187 case AMDGPU_PL_GWS:
188 return AMDGPU_GEM_DOMAIN_GWS;
189 case AMDGPU_PL_OA:
190 return AMDGPU_GEM_DOMAIN_OA;
191 case AMDGPU_PL_DOORBELL:
192 return AMDGPU_GEM_DOMAIN_DOORBELL;
193 default:
194 break;
195 }
196 return 0;
197}
198
199/**
200 * amdgpu_bo_reserve - reserve bo
201 * @bo: bo structure
202 * @no_intr: don't return -ERESTARTSYS on pending signal
203 *
204 * Returns:
205 * -ERESTARTSYS: A wait for the buffer to become unreserved was interrupted by
206 * a signal. Release all buffer reservations and return to user-space.
207 */
208static inline int amdgpu_bo_reserve(struct amdgpu_bo *bo, bool no_intr)
209{
210 struct amdgpu_device *adev = amdgpu_ttm_adev(bo->tbo.bdev);
211 int r;
212
213 r = ttm_bo_reserve(&bo->tbo, !no_intr, false, NULL);
214 if (unlikely(r != 0)) {
215 if (r != -ERESTARTSYS)
216 dev_err(adev->dev, "%p reserve failed\n", bo);
217 return r;
218 }
219 return 0;
220}
221
222static inline void amdgpu_bo_unreserve(struct amdgpu_bo *bo)
223{
224 ttm_bo_unreserve(&bo->tbo);
225}
226
227static inline unsigned long amdgpu_bo_size(struct amdgpu_bo *bo)
228{
229 return bo->tbo.base.size;
230}
231
232static inline unsigned amdgpu_bo_ngpu_pages(struct amdgpu_bo *bo)
233{
234 return bo->tbo.base.size / AMDGPU_GPU_PAGE_SIZE;
235}
236
237static inline unsigned amdgpu_bo_gpu_page_alignment(struct amdgpu_bo *bo)
238{
239 return (bo->tbo.page_alignment << PAGE_SHIFT) / AMDGPU_GPU_PAGE_SIZE;
240}
241
242/**
243 * amdgpu_bo_mmap_offset - return mmap offset of bo
244 * @bo: amdgpu object for which we query the offset
245 *
246 * Returns mmap offset of the object.
247 */
248static inline u64 amdgpu_bo_mmap_offset(struct amdgpu_bo *bo)
249{
250 return drm_vma_node_offset_addr(&bo->tbo.base.vma_node);
251}
252
253/**
254 * amdgpu_bo_explicit_sync - return whether the bo is explicitly synced
255 */
256static inline bool amdgpu_bo_explicit_sync(struct amdgpu_bo *bo)
257{
258 return bo->flags & AMDGPU_GEM_CREATE_EXPLICIT_SYNC;
259}
260
261/**
262 * amdgpu_bo_encrypted - test if the BO is encrypted
263 * @bo: pointer to a buffer object
264 *
265 * Return true if the buffer object is encrypted, false otherwise.
266 */
267static inline bool amdgpu_bo_encrypted(struct amdgpu_bo *bo)
268{
269 return bo->flags & AMDGPU_GEM_CREATE_ENCRYPTED;
270}
271
272/**
273 * amdgpu_bo_shadowed - check if the BO is shadowed
274 *
275 * @bo: BO to be tested.
276 *
277 * Returns:
278 * NULL if not shadowed or else return a BO pointer.
279 */
280static inline struct amdgpu_bo *amdgpu_bo_shadowed(struct amdgpu_bo *bo)
281{
282 if (bo->tbo.type == ttm_bo_type_kernel)
283 return to_amdgpu_bo_vm(bo)->shadow;
284
285 return NULL;
286}
287
288bool amdgpu_bo_is_amdgpu_bo(struct ttm_buffer_object *bo);
289void amdgpu_bo_placement_from_domain(struct amdgpu_bo *abo, u32 domain);
290
291int amdgpu_bo_create(struct amdgpu_device *adev,
292 struct amdgpu_bo_param *bp,
293 struct amdgpu_bo **bo_ptr);
294int amdgpu_bo_create_reserved(struct amdgpu_device *adev,
295 unsigned long size, int align,
296 u32 domain, struct amdgpu_bo **bo_ptr,
297 u64 *gpu_addr, void **cpu_addr);
298int amdgpu_bo_create_kernel(struct amdgpu_device *adev,
299 unsigned long size, int align,
300 u32 domain, struct amdgpu_bo **bo_ptr,
301 u64 *gpu_addr, void **cpu_addr);
302int amdgpu_bo_create_kernel_at(struct amdgpu_device *adev,
303 uint64_t offset, uint64_t size,
304 struct amdgpu_bo **bo_ptr, void **cpu_addr);
305int amdgpu_bo_create_user(struct amdgpu_device *adev,
306 struct amdgpu_bo_param *bp,
307 struct amdgpu_bo_user **ubo_ptr);
308int amdgpu_bo_create_vm(struct amdgpu_device *adev,
309 struct amdgpu_bo_param *bp,
310 struct amdgpu_bo_vm **ubo_ptr);
311void amdgpu_bo_free_kernel(struct amdgpu_bo **bo, u64 *gpu_addr,
312 void **cpu_addr);
313int amdgpu_bo_kmap(struct amdgpu_bo *bo, void **ptr);
314void *amdgpu_bo_kptr(struct amdgpu_bo *bo);
315void amdgpu_bo_kunmap(struct amdgpu_bo *bo);
316struct amdgpu_bo *amdgpu_bo_ref(struct amdgpu_bo *bo);
317void amdgpu_bo_unref(struct amdgpu_bo **bo);
318int amdgpu_bo_pin(struct amdgpu_bo *bo, u32 domain);
319int amdgpu_bo_pin_restricted(struct amdgpu_bo *bo, u32 domain,
320 u64 min_offset, u64 max_offset);
321void amdgpu_bo_unpin(struct amdgpu_bo *bo);
322int amdgpu_bo_init(struct amdgpu_device *adev);
323void amdgpu_bo_fini(struct amdgpu_device *adev);
324int amdgpu_bo_set_tiling_flags(struct amdgpu_bo *bo, u64 tiling_flags);
325void amdgpu_bo_get_tiling_flags(struct amdgpu_bo *bo, u64 *tiling_flags);
326int amdgpu_bo_set_metadata (struct amdgpu_bo *bo, void *metadata,
327 uint32_t metadata_size, uint64_t flags);
328int amdgpu_bo_get_metadata(struct amdgpu_bo *bo, void *buffer,
329 size_t buffer_size, uint32_t *metadata_size,
330 uint64_t *flags);
331void amdgpu_bo_move_notify(struct ttm_buffer_object *bo,
332 bool evict,
333 struct ttm_resource *new_mem);
334void amdgpu_bo_release_notify(struct ttm_buffer_object *bo);
335vm_fault_t amdgpu_bo_fault_reserve_notify(struct ttm_buffer_object *bo);
336void amdgpu_bo_fence(struct amdgpu_bo *bo, struct dma_fence *fence,
337 bool shared);
338int amdgpu_bo_sync_wait_resv(struct amdgpu_device *adev, struct dma_resv *resv,
339 enum amdgpu_sync_mode sync_mode, void *owner,
340 bool intr);
341int amdgpu_bo_sync_wait(struct amdgpu_bo *bo, void *owner, bool intr);
342u64 amdgpu_bo_gpu_offset(struct amdgpu_bo *bo);
343u64 amdgpu_bo_gpu_offset_no_check(struct amdgpu_bo *bo);
344void amdgpu_bo_get_memory(struct amdgpu_bo *bo,
345 struct amdgpu_mem_stats *stats);
346void amdgpu_bo_add_to_shadow_list(struct amdgpu_bo_vm *vmbo);
347int amdgpu_bo_restore_shadow(struct amdgpu_bo *shadow,
348 struct dma_fence **fence);
349uint32_t amdgpu_bo_get_preferred_domain(struct amdgpu_device *adev,
350 uint32_t domain);
351
352/*
353 * sub allocation
354 */
355static inline struct amdgpu_sa_manager *
356to_amdgpu_sa_manager(struct drm_suballoc_manager *manager)
357{
358 return container_of(manager, struct amdgpu_sa_manager, base);
359}
360
361static inline uint64_t amdgpu_sa_bo_gpu_addr(struct drm_suballoc *sa_bo)
362{
363 return to_amdgpu_sa_manager(sa_bo->manager)->gpu_addr +
364 drm_suballoc_soffset(sa_bo);
365}
366
367static inline void *amdgpu_sa_bo_cpu_addr(struct drm_suballoc *sa_bo)
368{
369 return to_amdgpu_sa_manager(sa_bo->manager)->cpu_ptr +
370 drm_suballoc_soffset(sa_bo);
371}
372
373int amdgpu_sa_bo_manager_init(struct amdgpu_device *adev,
374 struct amdgpu_sa_manager *sa_manager,
375 unsigned size, u32 align, u32 domain);
376void amdgpu_sa_bo_manager_fini(struct amdgpu_device *adev,
377 struct amdgpu_sa_manager *sa_manager);
378int amdgpu_sa_bo_manager_start(struct amdgpu_device *adev,
379 struct amdgpu_sa_manager *sa_manager);
380int amdgpu_sa_bo_new(struct amdgpu_sa_manager *sa_manager,
381 struct drm_suballoc **sa_bo,
382 unsigned int size);
383void amdgpu_sa_bo_free(struct amdgpu_device *adev,
384 struct drm_suballoc **sa_bo,
385 struct dma_fence *fence);
386#if defined(CONFIG_DEBUG_FS)
387void amdgpu_sa_bo_dump_debug_info(struct amdgpu_sa_manager *sa_manager,
388 struct seq_file *m);
389u64 amdgpu_bo_print_info(int id, struct amdgpu_bo *bo, struct seq_file *m);
390#endif
391void amdgpu_debugfs_sa_init(struct amdgpu_device *adev);
392
393bool amdgpu_bo_support_uswc(u64 bo_flags);
394
395
396#endif
1/*
2 * Copyright 2008 Advanced Micro Devices, Inc.
3 * Copyright 2008 Red Hat Inc.
4 * Copyright 2009 Jerome Glisse.
5 *
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:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
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.
23 *
24 * Authors: Dave Airlie
25 * Alex Deucher
26 * Jerome Glisse
27 */
28#ifndef __AMDGPU_OBJECT_H__
29#define __AMDGPU_OBJECT_H__
30
31#include <drm/amdgpu_drm.h>
32#include "amdgpu.h"
33#include "amdgpu_res_cursor.h"
34
35#ifdef CONFIG_MMU_NOTIFIER
36#include <linux/mmu_notifier.h>
37#endif
38
39#define AMDGPU_BO_INVALID_OFFSET LONG_MAX
40#define AMDGPU_BO_MAX_PLACEMENTS 3
41
42/* BO flag to indicate a KFD userptr BO */
43#define AMDGPU_AMDKFD_CREATE_USERPTR_BO (1ULL << 63)
44
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)
47
48struct amdgpu_bo_param {
49 unsigned long size;
50 int byte_align;
51 u32 bo_ptr_size;
52 u32 domain;
53 u32 preferred_domain;
54 u64 flags;
55 enum ttm_bo_type type;
56 bool no_wait_gpu;
57 struct dma_resv *resv;
58 void (*destroy)(struct ttm_buffer_object *bo);
59 /* xcp partition number plus 1, 0 means any partition */
60 int8_t xcp_id_plus1;
61};
62
63/* bo virtual addresses in a vm */
64struct amdgpu_bo_va_mapping {
65 struct amdgpu_bo_va *bo_va;
66 struct list_head list;
67 struct rb_node rb;
68 uint64_t start;
69 uint64_t last;
70 uint64_t __subtree_last;
71 uint64_t offset;
72 uint64_t flags;
73};
74
75/* User space allocated BO in a VM */
76struct amdgpu_bo_va {
77 struct amdgpu_vm_bo_base base;
78
79 /* protected by bo being reserved */
80 unsigned ref_count;
81
82 /* all other members protected by the VM PD being reserved */
83 struct dma_fence *last_pt_update;
84
85 /* mappings for this bo_va */
86 struct list_head invalids;
87 struct list_head valids;
88
89 /* If the mappings are cleared or filled */
90 bool cleared;
91
92 bool is_xgmi;
93
94 /*
95 * protected by vm reservation lock
96 * if non-zero, cannot unmap from GPU because user queues may still access it
97 */
98 unsigned int queue_refcount;
99};
100
101struct amdgpu_bo {
102 /* Protected by tbo.reserved */
103 u32 preferred_domains;
104 u32 allowed_domains;
105 struct ttm_place placements[AMDGPU_BO_MAX_PLACEMENTS];
106 struct ttm_placement placement;
107 struct ttm_buffer_object tbo;
108 struct ttm_bo_kmap_obj kmap;
109 u64 flags;
110 /* per VM structure for page tables and with virtual addresses */
111 struct amdgpu_vm_bo_base *vm_bo;
112 /* Constant after initialization */
113 struct amdgpu_bo *parent;
114
115#ifdef CONFIG_MMU_NOTIFIER
116 struct mmu_interval_notifier notifier;
117#endif
118 struct kgd_mem *kfd_bo;
119
120 /*
121 * For GPUs with spatial partitioning, xcp partition number, -1 means
122 * any partition. For other ASICs without spatial partition, always 0
123 * for memory accounting.
124 */
125 int8_t xcp_id;
126};
127
128struct amdgpu_bo_user {
129 struct amdgpu_bo bo;
130 u64 tiling_flags;
131 u64 metadata_flags;
132 void *metadata;
133 u32 metadata_size;
134
135};
136
137struct amdgpu_bo_vm {
138 struct amdgpu_bo bo;
139 struct amdgpu_vm_bo_base entries[];
140};
141
142static inline struct amdgpu_bo *ttm_to_amdgpu_bo(struct ttm_buffer_object *tbo)
143{
144 return container_of(tbo, struct amdgpu_bo, tbo);
145}
146
147/**
148 * amdgpu_mem_type_to_domain - return domain corresponding to mem_type
149 * @mem_type: ttm memory type
150 *
151 * Returns corresponding domain of the ttm mem_type
152 */
153static inline unsigned amdgpu_mem_type_to_domain(u32 mem_type)
154{
155 switch (mem_type) {
156 case TTM_PL_VRAM:
157 return AMDGPU_GEM_DOMAIN_VRAM;
158 case TTM_PL_TT:
159 return AMDGPU_GEM_DOMAIN_GTT;
160 case TTM_PL_SYSTEM:
161 return AMDGPU_GEM_DOMAIN_CPU;
162 case AMDGPU_PL_GDS:
163 return AMDGPU_GEM_DOMAIN_GDS;
164 case AMDGPU_PL_GWS:
165 return AMDGPU_GEM_DOMAIN_GWS;
166 case AMDGPU_PL_OA:
167 return AMDGPU_GEM_DOMAIN_OA;
168 case AMDGPU_PL_DOORBELL:
169 return AMDGPU_GEM_DOMAIN_DOORBELL;
170 default:
171 break;
172 }
173 return 0;
174}
175
176/**
177 * amdgpu_bo_reserve - reserve bo
178 * @bo: bo structure
179 * @no_intr: don't return -ERESTARTSYS on pending signal
180 *
181 * Returns:
182 * -ERESTARTSYS: A wait for the buffer to become unreserved was interrupted by
183 * a signal. Release all buffer reservations and return to user-space.
184 */
185static inline int amdgpu_bo_reserve(struct amdgpu_bo *bo, bool no_intr)
186{
187 struct amdgpu_device *adev = amdgpu_ttm_adev(bo->tbo.bdev);
188 int r;
189
190 r = ttm_bo_reserve(&bo->tbo, !no_intr, false, NULL);
191 if (unlikely(r != 0)) {
192 if (r != -ERESTARTSYS)
193 dev_err(adev->dev, "%p reserve failed\n", bo);
194 return r;
195 }
196 return 0;
197}
198
199static inline void amdgpu_bo_unreserve(struct amdgpu_bo *bo)
200{
201 ttm_bo_unreserve(&bo->tbo);
202}
203
204static inline unsigned long amdgpu_bo_size(struct amdgpu_bo *bo)
205{
206 return bo->tbo.base.size;
207}
208
209static inline unsigned amdgpu_bo_ngpu_pages(struct amdgpu_bo *bo)
210{
211 return bo->tbo.base.size / AMDGPU_GPU_PAGE_SIZE;
212}
213
214static inline unsigned amdgpu_bo_gpu_page_alignment(struct amdgpu_bo *bo)
215{
216 return (bo->tbo.page_alignment << PAGE_SHIFT) / AMDGPU_GPU_PAGE_SIZE;
217}
218
219/**
220 * amdgpu_bo_mmap_offset - return mmap offset of bo
221 * @bo: amdgpu object for which we query the offset
222 *
223 * Returns mmap offset of the object.
224 */
225static inline u64 amdgpu_bo_mmap_offset(struct amdgpu_bo *bo)
226{
227 return drm_vma_node_offset_addr(&bo->tbo.base.vma_node);
228}
229
230/**
231 * amdgpu_bo_explicit_sync - return whether the bo is explicitly synced
232 */
233static inline bool amdgpu_bo_explicit_sync(struct amdgpu_bo *bo)
234{
235 return bo->flags & AMDGPU_GEM_CREATE_EXPLICIT_SYNC;
236}
237
238/**
239 * amdgpu_bo_encrypted - test if the BO is encrypted
240 * @bo: pointer to a buffer object
241 *
242 * Return true if the buffer object is encrypted, false otherwise.
243 */
244static inline bool amdgpu_bo_encrypted(struct amdgpu_bo *bo)
245{
246 return bo->flags & AMDGPU_GEM_CREATE_ENCRYPTED;
247}
248
249bool amdgpu_bo_is_amdgpu_bo(struct ttm_buffer_object *bo);
250void amdgpu_bo_placement_from_domain(struct amdgpu_bo *abo, u32 domain);
251
252int amdgpu_bo_create(struct amdgpu_device *adev,
253 struct amdgpu_bo_param *bp,
254 struct amdgpu_bo **bo_ptr);
255int amdgpu_bo_create_reserved(struct amdgpu_device *adev,
256 unsigned long size, int align,
257 u32 domain, struct amdgpu_bo **bo_ptr,
258 u64 *gpu_addr, void **cpu_addr);
259int amdgpu_bo_create_kernel(struct amdgpu_device *adev,
260 unsigned long size, int align,
261 u32 domain, struct amdgpu_bo **bo_ptr,
262 u64 *gpu_addr, void **cpu_addr);
263int amdgpu_bo_create_kernel_at(struct amdgpu_device *adev,
264 uint64_t offset, uint64_t size,
265 struct amdgpu_bo **bo_ptr, void **cpu_addr);
266int amdgpu_bo_create_user(struct amdgpu_device *adev,
267 struct amdgpu_bo_param *bp,
268 struct amdgpu_bo_user **ubo_ptr);
269int amdgpu_bo_create_vm(struct amdgpu_device *adev,
270 struct amdgpu_bo_param *bp,
271 struct amdgpu_bo_vm **ubo_ptr);
272void amdgpu_bo_free_kernel(struct amdgpu_bo **bo, u64 *gpu_addr,
273 void **cpu_addr);
274int amdgpu_bo_kmap(struct amdgpu_bo *bo, void **ptr);
275void *amdgpu_bo_kptr(struct amdgpu_bo *bo);
276void amdgpu_bo_kunmap(struct amdgpu_bo *bo);
277struct amdgpu_bo *amdgpu_bo_ref(struct amdgpu_bo *bo);
278void amdgpu_bo_unref(struct amdgpu_bo **bo);
279int amdgpu_bo_pin(struct amdgpu_bo *bo, u32 domain);
280void amdgpu_bo_unpin(struct amdgpu_bo *bo);
281int amdgpu_bo_init(struct amdgpu_device *adev);
282void amdgpu_bo_fini(struct amdgpu_device *adev);
283int amdgpu_bo_set_tiling_flags(struct amdgpu_bo *bo, u64 tiling_flags);
284void amdgpu_bo_get_tiling_flags(struct amdgpu_bo *bo, u64 *tiling_flags);
285int amdgpu_bo_set_metadata (struct amdgpu_bo *bo, void *metadata,
286 uint32_t metadata_size, uint64_t flags);
287int amdgpu_bo_get_metadata(struct amdgpu_bo *bo, void *buffer,
288 size_t buffer_size, uint32_t *metadata_size,
289 uint64_t *flags);
290void amdgpu_bo_move_notify(struct ttm_buffer_object *bo,
291 bool evict,
292 struct ttm_resource *new_mem);
293void amdgpu_bo_release_notify(struct ttm_buffer_object *bo);
294vm_fault_t amdgpu_bo_fault_reserve_notify(struct ttm_buffer_object *bo);
295void amdgpu_bo_fence(struct amdgpu_bo *bo, struct dma_fence *fence,
296 bool shared);
297int amdgpu_bo_sync_wait_resv(struct amdgpu_device *adev, struct dma_resv *resv,
298 enum amdgpu_sync_mode sync_mode, void *owner,
299 bool intr);
300int amdgpu_bo_sync_wait(struct amdgpu_bo *bo, void *owner, bool intr);
301u64 amdgpu_bo_gpu_offset(struct amdgpu_bo *bo);
302u64 amdgpu_bo_gpu_offset_no_check(struct amdgpu_bo *bo);
303void amdgpu_bo_get_memory(struct amdgpu_bo *bo,
304 struct amdgpu_mem_stats *stats,
305 unsigned int size);
306uint32_t amdgpu_bo_get_preferred_domain(struct amdgpu_device *adev,
307 uint32_t domain);
308
309/*
310 * sub allocation
311 */
312static inline struct amdgpu_sa_manager *
313to_amdgpu_sa_manager(struct drm_suballoc_manager *manager)
314{
315 return container_of(manager, struct amdgpu_sa_manager, base);
316}
317
318static inline uint64_t amdgpu_sa_bo_gpu_addr(struct drm_suballoc *sa_bo)
319{
320 return to_amdgpu_sa_manager(sa_bo->manager)->gpu_addr +
321 drm_suballoc_soffset(sa_bo);
322}
323
324static inline void *amdgpu_sa_bo_cpu_addr(struct drm_suballoc *sa_bo)
325{
326 return to_amdgpu_sa_manager(sa_bo->manager)->cpu_ptr +
327 drm_suballoc_soffset(sa_bo);
328}
329
330int amdgpu_sa_bo_manager_init(struct amdgpu_device *adev,
331 struct amdgpu_sa_manager *sa_manager,
332 unsigned size, u32 align, u32 domain);
333void amdgpu_sa_bo_manager_fini(struct amdgpu_device *adev,
334 struct amdgpu_sa_manager *sa_manager);
335int amdgpu_sa_bo_manager_start(struct amdgpu_device *adev,
336 struct amdgpu_sa_manager *sa_manager);
337int amdgpu_sa_bo_new(struct amdgpu_sa_manager *sa_manager,
338 struct drm_suballoc **sa_bo,
339 unsigned int size);
340void amdgpu_sa_bo_free(struct amdgpu_device *adev,
341 struct drm_suballoc **sa_bo,
342 struct dma_fence *fence);
343#if defined(CONFIG_DEBUG_FS)
344void amdgpu_sa_bo_dump_debug_info(struct amdgpu_sa_manager *sa_manager,
345 struct seq_file *m);
346u64 amdgpu_bo_print_info(int id, struct amdgpu_bo *bo, struct seq_file *m);
347#endif
348void amdgpu_debugfs_sa_init(struct amdgpu_device *adev);
349
350bool amdgpu_bo_support_uswc(u64 bo_flags);
351
352
353#endif