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
88