xref: /linux/drivers/gpu/drm/amd/amdkfd/kfd_pm4_headers.h (revision 4f2c0a4acffbec01079c28f839422e64ddeff004)
1 /* SPDX-License-Identifier: GPL-2.0 OR MIT */
2 /*
3  * Copyright 2014-2022 Advanced Micro Devices, Inc.
4  *
5  * Permission is hereby granted, free of charge, to any person obtaining a
6  * copy of this software and associated documentation files (the "Software"),
7  * to deal in the Software without restriction, including without limitation
8  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
9  * and/or sell copies of the Software, and to permit persons to whom the
10  * Software is furnished to do so, subject to the following conditions:
11  *
12  * The above copyright notice and this permission notice shall be included in
13  * all copies or substantial portions of the Software.
14  *
15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
18  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
19  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
20  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
21  * OTHER DEALINGS IN THE SOFTWARE.
22  *
23  */
24 
25 #ifndef KFD_PM4_HEADERS_H_
26 #define KFD_PM4_HEADERS_H_
27 
28 #ifndef PM4_MES_HEADER_DEFINED
29 #define PM4_MES_HEADER_DEFINED
30 union PM4_MES_TYPE_3_HEADER {
31 	struct {
32 		/* reserved */
33 		uint32_t reserved1:8;
34 		/* IT opcode */
35 		uint32_t opcode:8;
36 		/* number of DWORDs - 1 in the information body */
37 		uint32_t count:14;
38 		/* packet identifier. It should be 3 for type 3 packets */
39 		uint32_t type:2;
40 	};
41 	uint32_t u32all;
42 };
43 #endif /* PM4_MES_HEADER_DEFINED */
44 
45 
46 /*--------------------MES_MAP_PROCESS-------------------- */
47 
48 #ifndef PM4_MES_MAP_PROCESS_DEFINED
49 #define PM4_MES_MAP_PROCESS_DEFINED
50 
51 struct pm4_map_process {
52 	union {
53 		union PM4_MES_TYPE_3_HEADER header;	/* header */
54 		uint32_t ordinal1;
55 	};
56 
57 	union {
58 		struct {
59 			uint32_t pasid:16;
60 			uint32_t reserved1:8;
61 			uint32_t diq_enable:1;
62 			uint32_t process_quantum:7;
63 		} bitfields2;
64 		uint32_t ordinal2;
65 	};
66 
67 	union {
68 		struct {
69 			uint32_t page_table_base:28;
70 			uint32_t reserved3:4;
71 		} bitfields3;
72 		uint32_t ordinal3;
73 	};
74 
75 	uint32_t sh_mem_bases;
76 	uint32_t sh_mem_ape1_base;
77 	uint32_t sh_mem_ape1_limit;
78 	uint32_t sh_mem_config;
79 	uint32_t gds_addr_lo;
80 	uint32_t gds_addr_hi;
81 
82 	union {
83 		struct {
84 			uint32_t num_gws:6;
85 			uint32_t reserved4:2;
86 			uint32_t num_oac:4;
87 			uint32_t reserved5:4;
88 			uint32_t gds_size:6;
89 			uint32_t num_queues:10;
90 		} bitfields10;
91 		uint32_t ordinal10;
92 	};
93 
94 };
95 #endif
96 
97 #ifndef PM4_MES_MAP_PROCESS_DEFINED_KV_SCRATCH
98 #define PM4_MES_MAP_PROCESS_DEFINED_KV_SCRATCH
99 
100 struct pm4_map_process_scratch_kv {
101 	union {
102 		union PM4_MES_TYPE_3_HEADER   header; /* header */
103 		uint32_t            ordinal1;
104 	};
105 
106 	union {
107 		struct {
108 			uint32_t pasid:16;
109 			uint32_t reserved1:8;
110 			uint32_t diq_enable:1;
111 			uint32_t process_quantum:7;
112 		} bitfields2;
113 		uint32_t ordinal2;
114 	};
115 
116 	union {
117 		struct {
118 			uint32_t page_table_base:28;
119 			uint32_t reserved2:4;
120 		} bitfields3;
121 		uint32_t ordinal3;
122 	};
123 
124 	uint32_t reserved3;
125 	uint32_t sh_mem_bases;
126 	uint32_t sh_mem_config;
127 	uint32_t sh_mem_ape1_base;
128 	uint32_t sh_mem_ape1_limit;
129 	uint32_t sh_hidden_private_base_vmid;
130 	uint32_t reserved4;
131 	uint32_t reserved5;
132 	uint32_t gds_addr_lo;
133 	uint32_t gds_addr_hi;
134 
135 	union {
136 		struct {
137 			uint32_t num_gws:6;
138 			uint32_t reserved6:2;
139 			uint32_t num_oac:4;
140 			uint32_t reserved7:4;
141 			uint32_t gds_size:6;
142 			uint32_t num_queues:10;
143 		} bitfields14;
144 		uint32_t ordinal14;
145 	};
146 
147 	uint32_t completion_signal_lo32;
148 uint32_t completion_signal_hi32;
149 };
150 #endif
151 
152 enum {
153 	CACHE_FLUSH_AND_INV_TS_EVENT = 0x00000014
154 };
155 
156 #endif /* KFD_PM4_HEADERS_H_ */
157