amdgpu_object.h revision 1.1 1 /* $NetBSD: amdgpu_object.h,v 1.1 2018/08/27 01:34:44 riastradh Exp $ */
2
3 /*
4 * Copyright 2008 Advanced Micro Devices, Inc.
5 * Copyright 2008 Red Hat Inc.
6 * Copyright 2009 Jerome Glisse.
7 *
8 * Permission is hereby granted, free of charge, to any person obtaining a
9 * copy of this software and associated documentation files (the "Software"),
10 * to deal in the Software without restriction, including without limitation
11 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
12 * and/or sell copies of the Software, and to permit persons to whom the
13 * Software is furnished to do so, subject to the following conditions:
14 *
15 * The above copyright notice and this permission notice shall be included in
16 * all copies or substantial portions of the Software.
17 *
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
19 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
20 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
21 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
22 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
23 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
24 * OTHER DEALINGS IN THE SOFTWARE.
25 *
26 * Authors: Dave Airlie
27 * Alex Deucher
28 * Jerome Glisse
29 */
30 #ifndef __AMDGPU_OBJECT_H__
31 #define __AMDGPU_OBJECT_H__
32
33 #include <drm/amdgpu_drm.h>
34 #include "amdgpu.h"
35
36 /**
37 * amdgpu_mem_type_to_domain - return domain corresponding to mem_type
38 * @mem_type: ttm memory type
39 *
40 * Returns corresponding domain of the ttm mem_type
41 */
42 static inline unsigned amdgpu_mem_type_to_domain(u32 mem_type)
43 {
44 switch (mem_type) {
45 case TTM_PL_VRAM:
46 return AMDGPU_GEM_DOMAIN_VRAM;
47 case TTM_PL_TT:
48 return AMDGPU_GEM_DOMAIN_GTT;
49 case TTM_PL_SYSTEM:
50 return AMDGPU_GEM_DOMAIN_CPU;
51 case AMDGPU_PL_GDS:
52 return AMDGPU_GEM_DOMAIN_GDS;
53 case AMDGPU_PL_GWS:
54 return AMDGPU_GEM_DOMAIN_GWS;
55 case AMDGPU_PL_OA:
56 return AMDGPU_GEM_DOMAIN_OA;
57 default:
58 break;
59 }
60 return 0;
61 }
62
63 /**
64 * amdgpu_bo_reserve - reserve bo
65 * @bo: bo structure
66 * @no_intr: don't return -ERESTARTSYS on pending signal
67 *
68 * Returns:
69 * -ERESTARTSYS: A wait for the buffer to become unreserved was interrupted by
70 * a signal. Release all buffer reservations and return to user-space.
71 */
72 static inline int amdgpu_bo_reserve(struct amdgpu_bo *bo, bool no_intr)
73 {
74 int r;
75
76 r = ttm_bo_reserve(&bo->tbo, !no_intr, false, false, 0);
77 if (unlikely(r != 0)) {
78 if (r != -ERESTARTSYS)
79 dev_err(bo->adev->dev, "%p reserve failed\n", bo);
80 return r;
81 }
82 return 0;
83 }
84
85 static inline void amdgpu_bo_unreserve(struct amdgpu_bo *bo)
86 {
87 ttm_bo_unreserve(&bo->tbo);
88 }
89
90 /**
91 * amdgpu_bo_gpu_offset - return GPU offset of bo
92 * @bo: amdgpu object for which we query the offset
93 *
94 * Returns current GPU offset of the object.
95 *
96 * Note: object should either be pinned or reserved when calling this
97 * function, it might be useful to add check for this for debugging.
98 */
99 static inline u64 amdgpu_bo_gpu_offset(struct amdgpu_bo *bo)
100 {
101 return bo->tbo.offset;
102 }
103
104 static inline unsigned long amdgpu_bo_size(struct amdgpu_bo *bo)
105 {
106 return bo->tbo.num_pages << PAGE_SHIFT;
107 }
108
109 static inline unsigned amdgpu_bo_ngpu_pages(struct amdgpu_bo *bo)
110 {
111 return (bo->tbo.num_pages << PAGE_SHIFT) / AMDGPU_GPU_PAGE_SIZE;
112 }
113
114 static inline unsigned amdgpu_bo_gpu_page_alignment(struct amdgpu_bo *bo)
115 {
116 return (bo->tbo.mem.page_alignment << PAGE_SHIFT) / AMDGPU_GPU_PAGE_SIZE;
117 }
118
119 /**
120 * amdgpu_bo_mmap_offset - return mmap offset of bo
121 * @bo: amdgpu object for which we query the offset
122 *
123 * Returns mmap offset of the object.
124 */
125 static inline u64 amdgpu_bo_mmap_offset(struct amdgpu_bo *bo)
126 {
127 return drm_vma_node_offset_addr(&bo->tbo.vma_node);
128 }
129
130 int amdgpu_bo_create(struct amdgpu_device *adev,
131 unsigned long size, int byte_align,
132 bool kernel, u32 domain, u64 flags,
133 struct sg_table *sg,
134 struct reservation_object *resv,
135 struct amdgpu_bo **bo_ptr);
136 int amdgpu_bo_create_restricted(struct amdgpu_device *adev,
137 unsigned long size, int byte_align,
138 bool kernel, u32 domain, u64 flags,
139 struct sg_table *sg,
140 struct ttm_placement *placement,
141 struct reservation_object *resv,
142 struct amdgpu_bo **bo_ptr);
143 int amdgpu_bo_kmap(struct amdgpu_bo *bo, void **ptr);
144 void amdgpu_bo_kunmap(struct amdgpu_bo *bo);
145 struct amdgpu_bo *amdgpu_bo_ref(struct amdgpu_bo *bo);
146 void amdgpu_bo_unref(struct amdgpu_bo **bo);
147 int amdgpu_bo_pin(struct amdgpu_bo *bo, u32 domain, u64 *gpu_addr);
148 int amdgpu_bo_pin_restricted(struct amdgpu_bo *bo, u32 domain,
149 u64 min_offset, u64 max_offset,
150 u64 *gpu_addr);
151 int amdgpu_bo_unpin(struct amdgpu_bo *bo);
152 int amdgpu_bo_evict_vram(struct amdgpu_device *adev);
153 void amdgpu_bo_force_delete(struct amdgpu_device *adev);
154 int amdgpu_bo_init(struct amdgpu_device *adev);
155 void amdgpu_bo_fini(struct amdgpu_device *adev);
156 int amdgpu_bo_fbdev_mmap(struct amdgpu_bo *bo,
157 struct vm_area_struct *vma);
158 int amdgpu_bo_set_tiling_flags(struct amdgpu_bo *bo, u64 tiling_flags);
159 void amdgpu_bo_get_tiling_flags(struct amdgpu_bo *bo, u64 *tiling_flags);
160 int amdgpu_bo_set_metadata (struct amdgpu_bo *bo, void *metadata,
161 uint32_t metadata_size, uint64_t flags);
162 int amdgpu_bo_get_metadata(struct amdgpu_bo *bo, void *buffer,
163 size_t buffer_size, uint32_t *metadata_size,
164 uint64_t *flags);
165 void amdgpu_bo_move_notify(struct ttm_buffer_object *bo,
166 struct ttm_mem_reg *new_mem);
167 int amdgpu_bo_fault_reserve_notify(struct ttm_buffer_object *bo);
168 void amdgpu_bo_fence(struct amdgpu_bo *bo, struct fence *fence,
169 bool shared);
170
171 /*
172 * sub allocation
173 */
174
175 static inline uint64_t amdgpu_sa_bo_gpu_addr(struct amdgpu_sa_bo *sa_bo)
176 {
177 return sa_bo->manager->gpu_addr + sa_bo->soffset;
178 }
179
180 static inline void * amdgpu_sa_bo_cpu_addr(struct amdgpu_sa_bo *sa_bo)
181 {
182 return sa_bo->manager->cpu_ptr + sa_bo->soffset;
183 }
184
185 int amdgpu_sa_bo_manager_init(struct amdgpu_device *adev,
186 struct amdgpu_sa_manager *sa_manager,
187 unsigned size, u32 align, u32 domain);
188 void amdgpu_sa_bo_manager_fini(struct amdgpu_device *adev,
189 struct amdgpu_sa_manager *sa_manager);
190 int amdgpu_sa_bo_manager_start(struct amdgpu_device *adev,
191 struct amdgpu_sa_manager *sa_manager);
192 int amdgpu_sa_bo_manager_suspend(struct amdgpu_device *adev,
193 struct amdgpu_sa_manager *sa_manager);
194 int amdgpu_sa_bo_new(struct amdgpu_sa_manager *sa_manager,
195 struct amdgpu_sa_bo **sa_bo,
196 unsigned size, unsigned align);
197 void amdgpu_sa_bo_free(struct amdgpu_device *adev,
198 struct amdgpu_sa_bo **sa_bo,
199 struct fence *fence);
200 #if defined(CONFIG_DEBUG_FS)
201 void amdgpu_sa_bo_dump_debug_info(struct amdgpu_sa_manager *sa_manager,
202 struct seq_file *m);
203 #endif
204
205
206 #endif
207