Linux kernel mirror (for testing)
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linux
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
34#define AMDGPU_BO_INVALID_OFFSET LONG_MAX
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 */
42static 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 */
72static inline int amdgpu_bo_reserve(struct amdgpu_bo *bo, bool no_intr)
73{
74 struct amdgpu_device *adev = amdgpu_ttm_adev(bo->tbo.bdev);
75 int r;
76
77 r = ttm_bo_reserve(&bo->tbo, !no_intr, false, NULL);
78 if (unlikely(r != 0)) {
79 if (r != -ERESTARTSYS)
80 dev_err(adev->dev, "%p reserve failed\n", bo);
81 return r;
82 }
83 return 0;
84}
85
86static inline void amdgpu_bo_unreserve(struct amdgpu_bo *bo)
87{
88 ttm_bo_unreserve(&bo->tbo);
89}
90
91static inline unsigned long amdgpu_bo_size(struct amdgpu_bo *bo)
92{
93 return bo->tbo.num_pages << PAGE_SHIFT;
94}
95
96static inline unsigned amdgpu_bo_ngpu_pages(struct amdgpu_bo *bo)
97{
98 return (bo->tbo.num_pages << PAGE_SHIFT) / AMDGPU_GPU_PAGE_SIZE;
99}
100
101static inline unsigned amdgpu_bo_gpu_page_alignment(struct amdgpu_bo *bo)
102{
103 return (bo->tbo.mem.page_alignment << PAGE_SHIFT) / AMDGPU_GPU_PAGE_SIZE;
104}
105
106/**
107 * amdgpu_bo_mmap_offset - return mmap offset of bo
108 * @bo: amdgpu object for which we query the offset
109 *
110 * Returns mmap offset of the object.
111 */
112static inline u64 amdgpu_bo_mmap_offset(struct amdgpu_bo *bo)
113{
114 return drm_vma_node_offset_addr(&bo->tbo.vma_node);
115}
116
117int amdgpu_bo_create(struct amdgpu_device *adev,
118 unsigned long size, int byte_align,
119 bool kernel, u32 domain, u64 flags,
120 struct sg_table *sg,
121 struct reservation_object *resv,
122 struct amdgpu_bo **bo_ptr);
123int amdgpu_bo_create_restricted(struct amdgpu_device *adev,
124 unsigned long size, int byte_align,
125 bool kernel, u32 domain, u64 flags,
126 struct sg_table *sg,
127 struct ttm_placement *placement,
128 struct reservation_object *resv,
129 struct amdgpu_bo **bo_ptr);
130int amdgpu_bo_create_kernel(struct amdgpu_device *adev,
131 unsigned long size, int align,
132 u32 domain, struct amdgpu_bo **bo_ptr,
133 u64 *gpu_addr, void **cpu_addr);
134void amdgpu_bo_free_kernel(struct amdgpu_bo **bo, u64 *gpu_addr,
135 void **cpu_addr);
136int amdgpu_bo_kmap(struct amdgpu_bo *bo, void **ptr);
137void amdgpu_bo_kunmap(struct amdgpu_bo *bo);
138struct amdgpu_bo *amdgpu_bo_ref(struct amdgpu_bo *bo);
139void amdgpu_bo_unref(struct amdgpu_bo **bo);
140int amdgpu_bo_pin(struct amdgpu_bo *bo, u32 domain, u64 *gpu_addr);
141int amdgpu_bo_pin_restricted(struct amdgpu_bo *bo, u32 domain,
142 u64 min_offset, u64 max_offset,
143 u64 *gpu_addr);
144int amdgpu_bo_unpin(struct amdgpu_bo *bo);
145int amdgpu_bo_evict_vram(struct amdgpu_device *adev);
146int amdgpu_bo_init(struct amdgpu_device *adev);
147void amdgpu_bo_fini(struct amdgpu_device *adev);
148int amdgpu_bo_fbdev_mmap(struct amdgpu_bo *bo,
149 struct vm_area_struct *vma);
150int amdgpu_bo_set_tiling_flags(struct amdgpu_bo *bo, u64 tiling_flags);
151void amdgpu_bo_get_tiling_flags(struct amdgpu_bo *bo, u64 *tiling_flags);
152int amdgpu_bo_set_metadata (struct amdgpu_bo *bo, void *metadata,
153 uint32_t metadata_size, uint64_t flags);
154int amdgpu_bo_get_metadata(struct amdgpu_bo *bo, void *buffer,
155 size_t buffer_size, uint32_t *metadata_size,
156 uint64_t *flags);
157void amdgpu_bo_move_notify(struct ttm_buffer_object *bo,
158 struct ttm_mem_reg *new_mem);
159int amdgpu_bo_fault_reserve_notify(struct ttm_buffer_object *bo);
160void amdgpu_bo_fence(struct amdgpu_bo *bo, struct dma_fence *fence,
161 bool shared);
162u64 amdgpu_bo_gpu_offset(struct amdgpu_bo *bo);
163int amdgpu_bo_backup_to_shadow(struct amdgpu_device *adev,
164 struct amdgpu_ring *ring,
165 struct amdgpu_bo *bo,
166 struct reservation_object *resv,
167 struct dma_fence **fence, bool direct);
168int amdgpu_bo_restore_from_shadow(struct amdgpu_device *adev,
169 struct amdgpu_ring *ring,
170 struct amdgpu_bo *bo,
171 struct reservation_object *resv,
172 struct dma_fence **fence,
173 bool direct);
174
175
176/*
177 * sub allocation
178 */
179
180static inline uint64_t amdgpu_sa_bo_gpu_addr(struct amdgpu_sa_bo *sa_bo)
181{
182 return sa_bo->manager->gpu_addr + sa_bo->soffset;
183}
184
185static inline void * amdgpu_sa_bo_cpu_addr(struct amdgpu_sa_bo *sa_bo)
186{
187 return sa_bo->manager->cpu_ptr + sa_bo->soffset;
188}
189
190int amdgpu_sa_bo_manager_init(struct amdgpu_device *adev,
191 struct amdgpu_sa_manager *sa_manager,
192 unsigned size, u32 align, u32 domain);
193void amdgpu_sa_bo_manager_fini(struct amdgpu_device *adev,
194 struct amdgpu_sa_manager *sa_manager);
195int amdgpu_sa_bo_manager_start(struct amdgpu_device *adev,
196 struct amdgpu_sa_manager *sa_manager);
197int amdgpu_sa_bo_manager_suspend(struct amdgpu_device *adev,
198 struct amdgpu_sa_manager *sa_manager);
199int amdgpu_sa_bo_new(struct amdgpu_sa_manager *sa_manager,
200 struct amdgpu_sa_bo **sa_bo,
201 unsigned size, unsigned align);
202void amdgpu_sa_bo_free(struct amdgpu_device *adev,
203 struct amdgpu_sa_bo **sa_bo,
204 struct dma_fence *fence);
205#if defined(CONFIG_DEBUG_FS)
206void amdgpu_sa_bo_dump_debug_info(struct amdgpu_sa_manager *sa_manager,
207 struct seq_file *m);
208#endif
209
210
211#endif