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1 | /* |
2 | * Copyright 2018-2019 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 | ||
24 | #ifndef AMDGV_SRIOV_MSG__H_ | |
25 | #define AMDGV_SRIOV_MSG__H_ | |
26 | ||
27 | /* unit in kilobytes */ | |
28 | #define AMD_SRIOV_MSG_VBIOS_OFFSET 0 | |
29 | #define AMD_SRIOV_MSG_VBIOS_SIZE_KB 64 | |
30 | #define AMD_SRIOV_MSG_DATAEXCHANGE_OFFSET_KB AMD_SRIOV_MSG_VBIOS_SIZE_KB | |
31 | #define AMD_SRIOV_MSG_DATAEXCHANGE_SIZE_KB 4 | |
32 | ||
33 | /* | |
34 | * layout | |
35 | * 0 64KB 65KB 66KB | |
36 | * | VBIOS | PF2VF | VF2PF | Bad Page | ... | |
37 | * | 64KB | 1KB | 1KB | | |
38 | */ | |
39 | #define AMD_SRIOV_MSG_SIZE_KB 1 | |
40 | #define AMD_SRIOV_MSG_PF2VF_OFFSET_KB AMD_SRIOV_MSG_DATAEXCHANGE_OFFSET_KB | |
41 | #define AMD_SRIOV_MSG_VF2PF_OFFSET_KB (AMD_SRIOV_MSG_PF2VF_OFFSET_KB + AMD_SRIOV_MSG_SIZE_KB) | |
42 | #define AMD_SRIOV_MSG_BAD_PAGE_OFFSET_KB (AMD_SRIOV_MSG_VF2PF_OFFSET_KB + AMD_SRIOV_MSG_SIZE_KB) | |
43 | ||
44 | /* | |
45 | * PF2VF history log: | |
46 | * v1 defined in amdgim | |
47 | * v2 current | |
48 | * | |
49 | * VF2PF history log: | |
50 | * v1 defined in amdgim | |
51 | * v2 defined in amdgim | |
52 | * v3 current | |
53 | */ | |
54 | #define AMD_SRIOV_MSG_FW_VRAM_PF2VF_VER 2 | |
55 | #define AMD_SRIOV_MSG_FW_VRAM_VF2PF_VER 3 | |
56 | ||
57 | #define AMD_SRIOV_MSG_RESERVE_UCODE 24 | |
58 | ||
59 | enum amd_sriov_ucode_engine_id { | |
60 | AMD_SRIOV_UCODE_ID_VCE = 0, | |
61 | AMD_SRIOV_UCODE_ID_UVD, | |
62 | AMD_SRIOV_UCODE_ID_MC, | |
63 | AMD_SRIOV_UCODE_ID_ME, | |
64 | AMD_SRIOV_UCODE_ID_PFP, | |
65 | AMD_SRIOV_UCODE_ID_CE, | |
66 | AMD_SRIOV_UCODE_ID_RLC, | |
67 | AMD_SRIOV_UCODE_ID_RLC_SRLC, | |
68 | AMD_SRIOV_UCODE_ID_RLC_SRLG, | |
69 | AMD_SRIOV_UCODE_ID_RLC_SRLS, | |
70 | AMD_SRIOV_UCODE_ID_MEC, | |
71 | AMD_SRIOV_UCODE_ID_MEC2, | |
72 | AMD_SRIOV_UCODE_ID_SOS, | |
73 | AMD_SRIOV_UCODE_ID_ASD, | |
74 | AMD_SRIOV_UCODE_ID_TA_RAS, | |
75 | AMD_SRIOV_UCODE_ID_TA_XGMI, | |
76 | AMD_SRIOV_UCODE_ID_SMC, | |
77 | AMD_SRIOV_UCODE_ID_SDMA, | |
78 | AMD_SRIOV_UCODE_ID_SDMA2, | |
79 | AMD_SRIOV_UCODE_ID_VCN, | |
80 | AMD_SRIOV_UCODE_ID_DMCU, | |
81 | AMD_SRIOV_UCODE_ID__MAX | |
82 | }; | |
83 | ||
84 | #pragma pack(push, 1) // PF2VF / VF2PF data areas are byte packed | |
85 | ||
86 | union amd_sriov_msg_feature_flags { | |
87 | struct { | |
88 | uint32_t error_log_collect : 1; | |
89 | uint32_t host_load_ucodes : 1; | |
90 | uint32_t host_flr_vramlost : 1; | |
91 | uint32_t mm_bw_management : 1; | |
92 | uint32_t pp_one_vf_mode : 1; | |
93 | uint32_t reserved : 27; | |
94 | } flags; | |
95 | uint32_t all; | |
96 | }; | |
97 | ||
98 | union amd_sriov_msg_os_info { | |
99 | struct { | |
100 | uint32_t windows : 1; | |
101 | uint32_t reserved : 31; | |
102 | } info; | |
103 | uint32_t all; | |
104 | }; | |
105 | ||
106 | struct amd_sriov_msg_pf2vf_info_header { | |
107 | /* the total structure size in byte */ | |
108 | uint32_t size; | |
109 | /* version of this structure, written by the HOST */ | |
110 | uint32_t version; | |
111 | /* reserved */ | |
112 | uint32_t reserved[2]; | |
113 | }; | |
114 | ||
115 | struct amd_sriov_msg_pf2vf_info { | |
116 | /* header contains size and version */ | |
117 | struct amd_sriov_msg_pf2vf_info_header header; | |
118 | /* use private key from mailbox 2 to create checksum */ | |
119 | uint32_t checksum; | |
120 | /* The features flags of the HOST driver supports */ | |
121 | union amd_sriov_msg_feature_flags feature_flags; | |
122 | /* (max_width * max_height * fps) / (16 * 16) */ | |
123 | uint32_t hevc_enc_max_mb_per_second; | |
124 | /* (max_width * max_height) / (16 * 16) */ | |
125 | uint32_t hevc_enc_max_mb_per_frame; | |
126 | /* (max_width * max_height * fps) / (16 * 16) */ | |
127 | uint32_t avc_enc_max_mb_per_second; | |
128 | /* (max_width * max_height) / (16 * 16) */ | |
129 | uint32_t avc_enc_max_mb_per_frame; | |
130 | /* MEC FW position in BYTE from the start of VF visible frame buffer */ | |
131 | uint64_t mecfw_offset; | |
132 | /* MEC FW size in BYTE */ | |
133 | uint32_t mecfw_size; | |
134 | /* UVD FW position in BYTE from the start of VF visible frame buffer */ | |
135 | uint64_t uvdfw_offset; | |
136 | /* UVD FW size in BYTE */ | |
137 | uint32_t uvdfw_size; | |
138 | /* VCE FW position in BYTE from the start of VF visible frame buffer */ | |
139 | uint64_t vcefw_offset; | |
140 | /* VCE FW size in BYTE */ | |
141 | uint32_t vcefw_size; | |
142 | /* Bad pages block position in BYTE */ | |
143 | uint32_t bp_block_offset_low; | |
144 | uint32_t bp_block_offset_high; | |
145 | /* Bad pages block size in BYTE */ | |
146 | uint32_t bp_block_size; | |
147 | /* frequency for VF to update the VF2PF area in msec, 0 = manual */ | |
148 | uint32_t vf2pf_update_interval_ms; | |
149 | /* identification in ROCm SMI */ | |
150 | uint64_t uuid; | |
151 | uint32_t fcn_idx; | |
152 | /* reserved */ | |
153 | uint32_t reserved[256-26]; | |
154 | }; | |
155 | ||
156 | struct amd_sriov_msg_vf2pf_info_header { | |
157 | /* the total structure size in byte */ | |
158 | uint32_t size; | |
159 | /* version of this structure, written by the guest */ | |
160 | uint32_t version; | |
161 | /* reserved */ | |
162 | uint32_t reserved[2]; | |
163 | }; | |
164 | ||
165 | struct amd_sriov_msg_vf2pf_info { | |
166 | /* header contains size and version */ | |
167 | struct amd_sriov_msg_vf2pf_info_header header; | |
168 | uint32_t checksum; | |
169 | /* driver version */ | |
170 | uint8_t driver_version[64]; | |
171 | /* driver certification, 1=WHQL, 0=None */ | |
172 | uint32_t driver_cert; | |
173 | /* guest OS type and version */ | |
174 | union amd_sriov_msg_os_info os_info; | |
175 | /* guest fb information in the unit of MB */ | |
176 | uint32_t fb_usage; | |
177 | /* guest gfx engine usage percentage */ | |
178 | uint32_t gfx_usage; | |
179 | /* guest gfx engine health percentage */ | |
180 | uint32_t gfx_health; | |
181 | /* guest compute engine usage percentage */ | |
182 | uint32_t compute_usage; | |
183 | /* guest compute engine health percentage */ | |
184 | uint32_t compute_health; | |
185 | /* guest avc engine usage percentage. 0xffff means N/A */ | |
186 | uint32_t avc_enc_usage; | |
187 | /* guest avc engine health percentage. 0xffff means N/A */ | |
188 | uint32_t avc_enc_health; | |
189 | /* guest hevc engine usage percentage. 0xffff means N/A */ | |
190 | uint32_t hevc_enc_usage; | |
191 | /* guest hevc engine usage percentage. 0xffff means N/A */ | |
192 | uint32_t hevc_enc_health; | |
193 | /* combined encode/decode usage */ | |
194 | uint32_t encode_usage; | |
195 | uint32_t decode_usage; | |
196 | /* Version of PF2VF that VF understands */ | |
197 | uint32_t pf2vf_version_required; | |
198 | /* additional FB usage */ | |
199 | uint32_t fb_vis_usage; | |
200 | uint32_t fb_vis_size; | |
201 | uint32_t fb_size; | |
202 | /* guest ucode data, each one is 1.25 Dword */ | |
203 | struct { | |
204 | uint8_t id; | |
205 | uint32_t version; | |
206 | } ucode_info[AMD_SRIOV_MSG_RESERVE_UCODE]; | |
207 | ||
208 | /* reserved */ | |
209 | uint32_t reserved[256-68]; | |
210 | }; | |
211 | ||
212 | /* mailbox message send from guest to host */ | |
213 | enum amd_sriov_mailbox_request_message { | |
214 | MB_REQ_MSG_REQ_GPU_INIT_ACCESS = 1, | |
215 | MB_REQ_MSG_REL_GPU_INIT_ACCESS, | |
216 | MB_REQ_MSG_REQ_GPU_FINI_ACCESS, | |
217 | MB_REQ_MSG_REL_GPU_FINI_ACCESS, | |
218 | MB_REQ_MSG_REQ_GPU_RESET_ACCESS, | |
219 | MB_REQ_MSG_REQ_GPU_INIT_DATA, | |
220 | ||
221 | MB_REQ_MSG_LOG_VF_ERROR = 200, | |
222 | }; | |
223 | ||
224 | /* mailbox message send from host to guest */ | |
225 | enum amd_sriov_mailbox_response_message { | |
226 | MB_RES_MSG_CLR_MSG_BUF = 0, | |
227 | MB_RES_MSG_READY_TO_ACCESS_GPU = 1, | |
228 | MB_RES_MSG_FLR_NOTIFICATION, | |
229 | MB_RES_MSG_FLR_NOTIFICATION_COMPLETION, | |
230 | MB_RES_MSG_SUCCESS, | |
231 | MB_RES_MSG_FAIL, | |
232 | MB_RES_MSG_QUERY_ALIVE, | |
233 | MB_RES_MSG_GPU_INIT_DATA_READY, | |
234 | ||
235 | MB_RES_MSG_TEXT_MESSAGE = 255 | |
236 | }; | |
237 | ||
238 | /* version data stored in MAILBOX_MSGBUF_RCV_DW1 for future expansion */ | |
239 | enum amd_sriov_gpu_init_data_version { | |
240 | GPU_INIT_DATA_READY_V1 = 1, | |
241 | }; | |
242 | ||
243 | #pragma pack(pop) // Restore previous packing option | |
244 | ||
245 | /* checksum function between host and guest */ | |
246 | unsigned int amd_sriov_msg_checksum(void *obj, | |
247 | unsigned long obj_size, | |
248 | unsigned int key, | |
249 | unsigned int checksum); | |
250 | ||
251 | /* assertion at compile time */ | |
252 | #ifdef __linux__ | |
253 | #define stringification(s) _stringification(s) | |
254 | #define _stringification(s) #s | |
255 | ||
256 | _Static_assert( | |
257 | sizeof(struct amd_sriov_msg_vf2pf_info) == AMD_SRIOV_MSG_SIZE_KB << 10, | |
258 | "amd_sriov_msg_vf2pf_info must be " stringification(AMD_SRIOV_MSG_SIZE_KB) " KB"); | |
259 | ||
260 | _Static_assert( | |
261 | sizeof(struct amd_sriov_msg_pf2vf_info) == AMD_SRIOV_MSG_SIZE_KB << 10, | |
262 | "amd_sriov_msg_pf2vf_info must be " stringification(AMD_SRIOV_MSG_SIZE_KB) " KB"); | |
263 | ||
264 | _Static_assert( | |
265 | AMD_SRIOV_MSG_RESERVE_UCODE % 4 == 0, | |
266 | "AMD_SRIOV_MSG_RESERVE_UCODE must be multiple of 4"); | |
267 | ||
268 | _Static_assert( | |
269 | AMD_SRIOV_MSG_RESERVE_UCODE > AMD_SRIOV_UCODE_ID__MAX, | |
270 | "AMD_SRIOV_MSG_RESERVE_UCODE must be bigger than AMD_SRIOV_UCODE_ID__MAX"); | |
271 | ||
272 | #undef _stringification | |
273 | #undef stringification | |
274 | #endif | |
275 | ||
276 | #endif /* AMDGV_SRIOV_MSG__H_ */ |