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Merge tag 'x86_mm_for_6.2_v2' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
[linux.git] / drivers / gpu / drm / amd / amdgpu / amdgpu_cs.h
1 /*
2  * Copyright 2022 Advanced Micro Devices, Inc.
3  *
4  * Permission is hereby granted, free of charge, to any person obtaining a
5  * copy of this software and associated documentation files (the "Software"),
6  * to deal in the Software without restriction, including without limitation
7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8  * and/or sell copies of the Software, and to permit persons to whom the
9  * Software is furnished to do so, subject to the following conditions:
10  *
11  * The above copyright notice and this permission notice shall be included in
12  * all copies or substantial portions of the Software.
13  *
14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
17  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20  * OTHER DEALINGS IN THE SOFTWARE.
21  *
22  */
23 #ifndef __AMDGPU_CS_H__
24 #define __AMDGPU_CS_H__
25
26 #include "amdgpu_job.h"
27 #include "amdgpu_bo_list.h"
28 #include "amdgpu_ring.h"
29
30 #define AMDGPU_CS_GANG_SIZE     4
31
32 struct amdgpu_bo_va_mapping;
33
34 struct amdgpu_cs_chunk {
35         uint32_t                chunk_id;
36         uint32_t                length_dw;
37         void                    *kdata;
38 };
39
40 struct amdgpu_cs_post_dep {
41         struct drm_syncobj *syncobj;
42         struct dma_fence_chain *chain;
43         u64 point;
44 };
45
46 struct amdgpu_cs_parser {
47         struct amdgpu_device    *adev;
48         struct drm_file         *filp;
49         struct amdgpu_ctx       *ctx;
50
51         /* chunks */
52         unsigned                nchunks;
53         struct amdgpu_cs_chunk  *chunks;
54
55         /* scheduler job objects */
56         unsigned int            gang_size;
57         unsigned int            gang_leader_idx;
58         struct drm_sched_entity *entities[AMDGPU_CS_GANG_SIZE];
59         struct amdgpu_job       *jobs[AMDGPU_CS_GANG_SIZE];
60         struct amdgpu_job       *gang_leader;
61
62         /* buffer objects */
63         struct ww_acquire_ctx           ticket;
64         struct amdgpu_bo_list           *bo_list;
65         struct amdgpu_mn                *mn;
66         struct amdgpu_bo_list_entry     vm_pd;
67         struct list_head                validated;
68         struct dma_fence                *fence;
69         uint64_t                        bytes_moved_threshold;
70         uint64_t                        bytes_moved_vis_threshold;
71         uint64_t                        bytes_moved;
72         uint64_t                        bytes_moved_vis;
73
74         /* user fence */
75         struct amdgpu_bo_list_entry     uf_entry;
76
77         unsigned                        num_post_deps;
78         struct amdgpu_cs_post_dep       *post_deps;
79
80         struct amdgpu_sync              sync;
81 };
82
83 int amdgpu_cs_find_mapping(struct amdgpu_cs_parser *parser,
84                            uint64_t addr, struct amdgpu_bo **bo,
85                            struct amdgpu_bo_va_mapping **mapping);
86
87 #endif
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