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v6.9.4
  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
v6.2
  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};
 60
 61/* bo virtual addresses in a vm */
 62struct amdgpu_bo_va_mapping {
 63	struct amdgpu_bo_va		*bo_va;
 64	struct list_head		list;
 65	struct rb_node			rb;
 66	uint64_t			start;
 67	uint64_t			last;
 68	uint64_t			__subtree_last;
 69	uint64_t			offset;
 70	uint64_t			flags;
 71};
 72
 73/* User space allocated BO in a VM */
 74struct amdgpu_bo_va {
 75	struct amdgpu_vm_bo_base	base;
 76
 77	/* protected by bo being reserved */
 78	unsigned			ref_count;
 79
 80	/* all other members protected by the VM PD being reserved */
 81	struct dma_fence	        *last_pt_update;
 82
 83	/* mappings for this bo_va */
 84	struct list_head		invalids;
 85	struct list_head		valids;
 86
 87	/* If the mappings are cleared or filled */
 88	bool				cleared;
 89
 90	bool				is_xgmi;
 91};
 92
 93struct amdgpu_bo {
 94	/* Protected by tbo.reserved */
 95	u32				preferred_domains;
 96	u32				allowed_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;
101	u64				flags;
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;
106
107#ifdef CONFIG_MMU_NOTIFIER
108	struct mmu_interval_notifier	notifier;
109#endif
110	struct kgd_mem                  *kfd_bo;
 
 
 
 
 
 
 
111};
112
113struct amdgpu_bo_user {
114	struct amdgpu_bo		bo;
115	u64				tiling_flags;
116	u64				metadata_flags;
117	void				*metadata;
118	u32				metadata_size;
119
120};
121
122struct amdgpu_bo_vm {
123	struct amdgpu_bo		bo;
124	struct amdgpu_bo		*shadow;
125	struct list_head		shadow_list;
126	struct amdgpu_vm_bo_base        entries[];
127};
128
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
129static inline struct amdgpu_bo *ttm_to_amdgpu_bo(struct ttm_buffer_object *tbo)
130{
131	return container_of(tbo, struct amdgpu_bo, tbo);
132}
133
134/**
135 * amdgpu_mem_type_to_domain - return domain corresponding to mem_type
136 * @mem_type:	ttm memory type
137 *
138 * Returns corresponding domain of the ttm mem_type
139 */
140static inline unsigned amdgpu_mem_type_to_domain(u32 mem_type)
141{
142	switch (mem_type) {
143	case TTM_PL_VRAM:
144		return AMDGPU_GEM_DOMAIN_VRAM;
145	case TTM_PL_TT:
146		return AMDGPU_GEM_DOMAIN_GTT;
147	case TTM_PL_SYSTEM:
148		return AMDGPU_GEM_DOMAIN_CPU;
149	case AMDGPU_PL_GDS:
150		return AMDGPU_GEM_DOMAIN_GDS;
151	case AMDGPU_PL_GWS:
152		return AMDGPU_GEM_DOMAIN_GWS;
153	case AMDGPU_PL_OA:
154		return AMDGPU_GEM_DOMAIN_OA;
 
 
155	default:
156		break;
157	}
158	return 0;
159}
160
161/**
162 * amdgpu_bo_reserve - reserve bo
163 * @bo:		bo structure
164 * @no_intr:	don't return -ERESTARTSYS on pending signal
165 *
166 * Returns:
167 * -ERESTARTSYS: A wait for the buffer to become unreserved was interrupted by
168 * a signal. Release all buffer reservations and return to user-space.
169 */
170static inline int amdgpu_bo_reserve(struct amdgpu_bo *bo, bool no_intr)
171{
172	struct amdgpu_device *adev = amdgpu_ttm_adev(bo->tbo.bdev);
173	int r;
174
175	r = ttm_bo_reserve(&bo->tbo, !no_intr, false, NULL);
176	if (unlikely(r != 0)) {
177		if (r != -ERESTARTSYS)
178			dev_err(adev->dev, "%p reserve failed\n", bo);
179		return r;
180	}
181	return 0;
182}
183
184static inline void amdgpu_bo_unreserve(struct amdgpu_bo *bo)
185{
186	ttm_bo_unreserve(&bo->tbo);
187}
188
189static inline unsigned long amdgpu_bo_size(struct amdgpu_bo *bo)
190{
191	return bo->tbo.base.size;
192}
193
194static inline unsigned amdgpu_bo_ngpu_pages(struct amdgpu_bo *bo)
195{
196	return bo->tbo.base.size / AMDGPU_GPU_PAGE_SIZE;
197}
198
199static inline unsigned amdgpu_bo_gpu_page_alignment(struct amdgpu_bo *bo)
200{
201	return (bo->tbo.page_alignment << PAGE_SHIFT) / AMDGPU_GPU_PAGE_SIZE;
202}
203
204/**
205 * amdgpu_bo_mmap_offset - return mmap offset of bo
206 * @bo:	amdgpu object for which we query the offset
207 *
208 * Returns mmap offset of the object.
209 */
210static inline u64 amdgpu_bo_mmap_offset(struct amdgpu_bo *bo)
211{
212	return drm_vma_node_offset_addr(&bo->tbo.base.vma_node);
213}
214
215/**
216 * amdgpu_bo_in_cpu_visible_vram - check if BO is (partly) in visible VRAM
217 */
218static inline bool amdgpu_bo_in_cpu_visible_vram(struct amdgpu_bo *bo)
219{
220	struct amdgpu_device *adev = amdgpu_ttm_adev(bo->tbo.bdev);
221	struct amdgpu_res_cursor cursor;
222
223	if (bo->tbo.resource->mem_type != TTM_PL_VRAM)
224		return false;
225
226	amdgpu_res_first(bo->tbo.resource, 0, amdgpu_bo_size(bo), &cursor);
227	while (cursor.remaining) {
228		if (cursor.start < adev->gmc.visible_vram_size)
229			return true;
230
231		amdgpu_res_next(&cursor, cursor.size);
232	}
233
234	return false;
235}
236
237/**
238 * amdgpu_bo_explicit_sync - return whether the bo is explicitly synced
239 */
240static inline bool amdgpu_bo_explicit_sync(struct amdgpu_bo *bo)
241{
242	return bo->flags & AMDGPU_GEM_CREATE_EXPLICIT_SYNC;
243}
244
245/**
246 * amdgpu_bo_encrypted - test if the BO is encrypted
247 * @bo: pointer to a buffer object
248 *
249 * Return true if the buffer object is encrypted, false otherwise.
250 */
251static inline bool amdgpu_bo_encrypted(struct amdgpu_bo *bo)
252{
253	return bo->flags & AMDGPU_GEM_CREATE_ENCRYPTED;
254}
255
256/**
257 * amdgpu_bo_shadowed - check if the BO is shadowed
258 *
259 * @bo: BO to be tested.
260 *
261 * Returns:
262 * NULL if not shadowed or else return a BO pointer.
263 */
264static inline struct amdgpu_bo *amdgpu_bo_shadowed(struct amdgpu_bo *bo)
265{
266	if (bo->tbo.type == ttm_bo_type_kernel)
267		return to_amdgpu_bo_vm(bo)->shadow;
268
269	return NULL;
270}
271
272bool amdgpu_bo_is_amdgpu_bo(struct ttm_buffer_object *bo);
273void amdgpu_bo_placement_from_domain(struct amdgpu_bo *abo, u32 domain);
274
275int amdgpu_bo_create(struct amdgpu_device *adev,
276		     struct amdgpu_bo_param *bp,
277		     struct amdgpu_bo **bo_ptr);
278int amdgpu_bo_create_reserved(struct amdgpu_device *adev,
279			      unsigned long size, int align,
280			      u32 domain, struct amdgpu_bo **bo_ptr,
281			      u64 *gpu_addr, void **cpu_addr);
282int amdgpu_bo_create_kernel(struct amdgpu_device *adev,
283			    unsigned long size, int align,
284			    u32 domain, struct amdgpu_bo **bo_ptr,
285			    u64 *gpu_addr, void **cpu_addr);
286int amdgpu_bo_create_kernel_at(struct amdgpu_device *adev,
287			       uint64_t offset, uint64_t size,
288			       struct amdgpu_bo **bo_ptr, void **cpu_addr);
289int amdgpu_bo_create_user(struct amdgpu_device *adev,
290			  struct amdgpu_bo_param *bp,
291			  struct amdgpu_bo_user **ubo_ptr);
292int amdgpu_bo_create_vm(struct amdgpu_device *adev,
293			struct amdgpu_bo_param *bp,
294			struct amdgpu_bo_vm **ubo_ptr);
295void amdgpu_bo_free_kernel(struct amdgpu_bo **bo, u64 *gpu_addr,
296			   void **cpu_addr);
297int amdgpu_bo_kmap(struct amdgpu_bo *bo, void **ptr);
298void *amdgpu_bo_kptr(struct amdgpu_bo *bo);
299void amdgpu_bo_kunmap(struct amdgpu_bo *bo);
300struct amdgpu_bo *amdgpu_bo_ref(struct amdgpu_bo *bo);
301void amdgpu_bo_unref(struct amdgpu_bo **bo);
302int amdgpu_bo_pin(struct amdgpu_bo *bo, u32 domain);
303int amdgpu_bo_pin_restricted(struct amdgpu_bo *bo, u32 domain,
304			     u64 min_offset, u64 max_offset);
305void amdgpu_bo_unpin(struct amdgpu_bo *bo);
306int amdgpu_bo_init(struct amdgpu_device *adev);
307void amdgpu_bo_fini(struct amdgpu_device *adev);
308int amdgpu_bo_set_tiling_flags(struct amdgpu_bo *bo, u64 tiling_flags);
309void amdgpu_bo_get_tiling_flags(struct amdgpu_bo *bo, u64 *tiling_flags);
310int amdgpu_bo_set_metadata (struct amdgpu_bo *bo, void *metadata,
311			    uint32_t metadata_size, uint64_t flags);
312int amdgpu_bo_get_metadata(struct amdgpu_bo *bo, void *buffer,
313			   size_t buffer_size, uint32_t *metadata_size,
314			   uint64_t *flags);
315void amdgpu_bo_move_notify(struct ttm_buffer_object *bo,
316			   bool evict,
317			   struct ttm_resource *new_mem);
318void amdgpu_bo_release_notify(struct ttm_buffer_object *bo);
319vm_fault_t amdgpu_bo_fault_reserve_notify(struct ttm_buffer_object *bo);
320void amdgpu_bo_fence(struct amdgpu_bo *bo, struct dma_fence *fence,
321		     bool shared);
322int amdgpu_bo_sync_wait_resv(struct amdgpu_device *adev, struct dma_resv *resv,
323			     enum amdgpu_sync_mode sync_mode, void *owner,
324			     bool intr);
325int amdgpu_bo_sync_wait(struct amdgpu_bo *bo, void *owner, bool intr);
326u64 amdgpu_bo_gpu_offset(struct amdgpu_bo *bo);
327u64 amdgpu_bo_gpu_offset_no_check(struct amdgpu_bo *bo);
328void amdgpu_bo_get_memory(struct amdgpu_bo *bo, uint64_t *vram_mem,
329				uint64_t *gtt_mem, uint64_t *cpu_mem);
330void amdgpu_bo_add_to_shadow_list(struct amdgpu_bo_vm *vmbo);
331int amdgpu_bo_restore_shadow(struct amdgpu_bo *shadow,
332			     struct dma_fence **fence);
333uint32_t amdgpu_bo_get_preferred_domain(struct amdgpu_device *adev,
334					    uint32_t domain);
335
336/*
337 * sub allocation
338 */
 
 
 
 
 
339
340static inline uint64_t amdgpu_sa_bo_gpu_addr(struct amdgpu_sa_bo *sa_bo)
341{
342	return sa_bo->manager->gpu_addr + sa_bo->soffset;
 
343}
344
345static inline void * amdgpu_sa_bo_cpu_addr(struct amdgpu_sa_bo *sa_bo)
346{
347	return sa_bo->manager->cpu_ptr + sa_bo->soffset;
 
348}
349
350int amdgpu_sa_bo_manager_init(struct amdgpu_device *adev,
351				     struct amdgpu_sa_manager *sa_manager,
352				     unsigned size, u32 align, u32 domain);
353void amdgpu_sa_bo_manager_fini(struct amdgpu_device *adev,
354				      struct amdgpu_sa_manager *sa_manager);
355int amdgpu_sa_bo_manager_start(struct amdgpu_device *adev,
356				      struct amdgpu_sa_manager *sa_manager);
357int amdgpu_sa_bo_new(struct amdgpu_sa_manager *sa_manager,
358		     struct amdgpu_sa_bo **sa_bo,
359		     unsigned size, unsigned align);
360void amdgpu_sa_bo_free(struct amdgpu_device *adev,
361			      struct amdgpu_sa_bo **sa_bo,
362			      struct dma_fence *fence);
363#if defined(CONFIG_DEBUG_FS)
364void amdgpu_sa_bo_dump_debug_info(struct amdgpu_sa_manager *sa_manager,
365					 struct seq_file *m);
366u64 amdgpu_bo_print_info(int id, struct amdgpu_bo *bo, struct seq_file *m);
367#endif
368void amdgpu_debugfs_sa_init(struct amdgpu_device *adev);
369
370bool amdgpu_bo_support_uswc(u64 bo_flags);
371
372
373#endif