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 #define AMD_SRIOV_MSG_RESERVE_VCN_INST 4 60 61 enum amd_sriov_ucode_engine_id { 62 AMD_SRIOV_UCODE_ID_VCE = 0, 63 AMD_SRIOV_UCODE_ID_UVD, 64 AMD_SRIOV_UCODE_ID_MC, 65 AMD_SRIOV_UCODE_ID_ME, 66 AMD_SRIOV_UCODE_ID_PFP, 67 AMD_SRIOV_UCODE_ID_CE, 68 AMD_SRIOV_UCODE_ID_RLC, 69 AMD_SRIOV_UCODE_ID_RLC_SRLC, 70 AMD_SRIOV_UCODE_ID_RLC_SRLG, 71 AMD_SRIOV_UCODE_ID_RLC_SRLS, 72 AMD_SRIOV_UCODE_ID_MEC, 73 AMD_SRIOV_UCODE_ID_MEC2, 74 AMD_SRIOV_UCODE_ID_SOS, 75 AMD_SRIOV_UCODE_ID_ASD, 76 AMD_SRIOV_UCODE_ID_TA_RAS, 77 AMD_SRIOV_UCODE_ID_TA_XGMI, 78 AMD_SRIOV_UCODE_ID_SMC, 79 AMD_SRIOV_UCODE_ID_SDMA, 80 AMD_SRIOV_UCODE_ID_SDMA2, 81 AMD_SRIOV_UCODE_ID_VCN, 82 AMD_SRIOV_UCODE_ID_DMCU, 83 AMD_SRIOV_UCODE_ID__MAX 84 }; 85 86 #pragma pack(push, 1) // PF2VF / VF2PF data areas are byte packed 87 88 union amd_sriov_msg_feature_flags { 89 struct { 90 uint32_t error_log_collect : 1; 91 uint32_t host_load_ucodes : 1; 92 uint32_t host_flr_vramlost : 1; 93 uint32_t mm_bw_management : 1; 94 uint32_t pp_one_vf_mode : 1; 95 uint32_t reg_indirect_acc : 1; 96 uint32_t reserved : 26; 97 } flags; 98 uint32_t all; 99 }; 100 101 union amd_sriov_reg_access_flags { 102 struct { 103 uint32_t vf_reg_access_ih : 1; 104 uint32_t vf_reg_access_mmhub : 1; 105 uint32_t vf_reg_access_gc : 1; 106 uint32_t reserved : 29; 107 } flags; 108 uint32_t all; 109 }; 110 111 union amd_sriov_msg_os_info { 112 struct { 113 uint32_t windows : 1; 114 uint32_t reserved : 31; 115 } info; 116 uint32_t all; 117 }; 118 119 struct amd_sriov_msg_uuid_info { 120 union { 121 struct { 122 uint32_t did : 16; 123 uint32_t fcn : 8; 124 uint32_t asic_7 : 8; 125 }; 126 uint32_t time_low; 127 }; 128 129 struct { 130 uint32_t time_mid : 16; 131 uint32_t time_high : 12; 132 uint32_t version : 4; 133 }; 134 135 struct { 136 struct { 137 uint8_t clk_seq_hi : 6; 138 uint8_t variant : 2; 139 }; 140 union { 141 uint8_t clk_seq_low; 142 uint8_t asic_6; 143 }; 144 uint16_t asic_4; 145 }; 146 147 uint32_t asic_0; 148 }; 149 150 struct amd_sriov_msg_pf2vf_info_header { 151 /* the total structure size in byte */ 152 uint32_t size; 153 /* version of this structure, written by the HOST */ 154 uint32_t version; 155 /* reserved */ 156 uint32_t reserved[2]; 157 }; 158 159 struct amd_sriov_msg_pf2vf_info { 160 /* header contains size and version */ 161 struct amd_sriov_msg_pf2vf_info_header header; 162 /* use private key from mailbox 2 to create checksum */ 163 uint32_t checksum; 164 /* The features flags of the HOST driver supports */ 165 union amd_sriov_msg_feature_flags feature_flags; 166 /* (max_width * max_height * fps) / (16 * 16) */ 167 uint32_t hevc_enc_max_mb_per_second; 168 /* (max_width * max_height) / (16 * 16) */ 169 uint32_t hevc_enc_max_mb_per_frame; 170 /* (max_width * max_height * fps) / (16 * 16) */ 171 uint32_t avc_enc_max_mb_per_second; 172 /* (max_width * max_height) / (16 * 16) */ 173 uint32_t avc_enc_max_mb_per_frame; 174 /* MEC FW position in BYTE from the start of VF visible frame buffer */ 175 uint64_t mecfw_offset; 176 /* MEC FW size in BYTE */ 177 uint32_t mecfw_size; 178 /* UVD FW position in BYTE from the start of VF visible frame buffer */ 179 uint64_t uvdfw_offset; 180 /* UVD FW size in BYTE */ 181 uint32_t uvdfw_size; 182 /* VCE FW position in BYTE from the start of VF visible frame buffer */ 183 uint64_t vcefw_offset; 184 /* VCE FW size in BYTE */ 185 uint32_t vcefw_size; 186 /* Bad pages block position in BYTE */ 187 uint32_t bp_block_offset_low; 188 uint32_t bp_block_offset_high; 189 /* Bad pages block size in BYTE */ 190 uint32_t bp_block_size; 191 /* frequency for VF to update the VF2PF area in msec, 0 = manual */ 192 uint32_t vf2pf_update_interval_ms; 193 /* identification in ROCm SMI */ 194 uint64_t uuid; 195 uint32_t fcn_idx; 196 /* flags to indicate which register access method VF should use */ 197 union amd_sriov_reg_access_flags reg_access_flags; 198 /* MM BW management */ 199 struct { 200 uint32_t decode_max_dimension_pixels; 201 uint32_t decode_max_frame_pixels; 202 uint32_t encode_max_dimension_pixels; 203 uint32_t encode_max_frame_pixels; 204 } mm_bw_management[AMD_SRIOV_MSG_RESERVE_VCN_INST]; 205 /* UUID info */ 206 struct amd_sriov_msg_uuid_info uuid_info; 207 /* pcie atomic Ops info */ 208 uint32_t pcie_atomic_ops_enabled_flags; 209 /* reserved */ 210 uint32_t reserved[256 - 48]; 211 }; 212 213 struct amd_sriov_msg_vf2pf_info_header { 214 /* the total structure size in byte */ 215 uint32_t size; 216 /* version of this structure, written by the guest */ 217 uint32_t version; 218 /* reserved */ 219 uint32_t reserved[2]; 220 }; 221 222 struct amd_sriov_msg_vf2pf_info { 223 /* header contains size and version */ 224 struct amd_sriov_msg_vf2pf_info_header header; 225 uint32_t checksum; 226 /* driver version */ 227 uint8_t driver_version[64]; 228 /* driver certification, 1=WHQL, 0=None */ 229 uint32_t driver_cert; 230 /* guest OS type and version */ 231 union amd_sriov_msg_os_info os_info; 232 /* guest fb information in the unit of MB */ 233 uint32_t fb_usage; 234 /* guest gfx engine usage percentage */ 235 uint32_t gfx_usage; 236 /* guest gfx engine health percentage */ 237 uint32_t gfx_health; 238 /* guest compute engine usage percentage */ 239 uint32_t compute_usage; 240 /* guest compute engine health percentage */ 241 uint32_t compute_health; 242 /* guest avc engine usage percentage. 0xffff means N/A */ 243 uint32_t avc_enc_usage; 244 /* guest avc engine health percentage. 0xffff means N/A */ 245 uint32_t avc_enc_health; 246 /* guest hevc engine usage percentage. 0xffff means N/A */ 247 uint32_t hevc_enc_usage; 248 /* guest hevc engine usage percentage. 0xffff means N/A */ 249 uint32_t hevc_enc_health; 250 /* combined encode/decode usage */ 251 uint32_t encode_usage; 252 uint32_t decode_usage; 253 /* Version of PF2VF that VF understands */ 254 uint32_t pf2vf_version_required; 255 /* additional FB usage */ 256 uint32_t fb_vis_usage; 257 uint32_t fb_vis_size; 258 uint32_t fb_size; 259 /* guest ucode data, each one is 1.25 Dword */ 260 struct { 261 uint8_t id; 262 uint32_t version; 263 } ucode_info[AMD_SRIOV_MSG_RESERVE_UCODE]; 264 265 /* reserved */ 266 uint32_t reserved[256-68]; 267 }; 268 269 /* mailbox message send from guest to host */ 270 enum amd_sriov_mailbox_request_message { 271 MB_REQ_MSG_REQ_GPU_INIT_ACCESS = 1, 272 MB_REQ_MSG_REL_GPU_INIT_ACCESS, 273 MB_REQ_MSG_REQ_GPU_FINI_ACCESS, 274 MB_REQ_MSG_REL_GPU_FINI_ACCESS, 275 MB_REQ_MSG_REQ_GPU_RESET_ACCESS, 276 MB_REQ_MSG_REQ_GPU_INIT_DATA, 277 278 MB_REQ_MSG_LOG_VF_ERROR = 200, 279 }; 280 281 /* mailbox message send from host to guest */ 282 enum amd_sriov_mailbox_response_message { 283 MB_RES_MSG_CLR_MSG_BUF = 0, 284 MB_RES_MSG_READY_TO_ACCESS_GPU = 1, 285 MB_RES_MSG_FLR_NOTIFICATION, 286 MB_RES_MSG_FLR_NOTIFICATION_COMPLETION, 287 MB_RES_MSG_SUCCESS, 288 MB_RES_MSG_FAIL, 289 MB_RES_MSG_QUERY_ALIVE, 290 MB_RES_MSG_GPU_INIT_DATA_READY, 291 292 MB_RES_MSG_TEXT_MESSAGE = 255 293 }; 294 295 /* version data stored in MAILBOX_MSGBUF_RCV_DW1 for future expansion */ 296 enum amd_sriov_gpu_init_data_version { 297 GPU_INIT_DATA_READY_V1 = 1, 298 }; 299 300 #pragma pack(pop) // Restore previous packing option 301 302 /* checksum function between host and guest */ 303 unsigned int amd_sriov_msg_checksum(void *obj, 304 unsigned long obj_size, 305 unsigned int key, 306 unsigned int checksum); 307 308 /* assertion at compile time */ 309 #ifdef __linux__ 310 #define stringification(s) _stringification(s) 311 #define _stringification(s) #s 312 313 _Static_assert( 314 sizeof(struct amd_sriov_msg_vf2pf_info) == AMD_SRIOV_MSG_SIZE_KB << 10, 315 "amd_sriov_msg_vf2pf_info must be " stringification(AMD_SRIOV_MSG_SIZE_KB) " KB"); 316 317 _Static_assert( 318 sizeof(struct amd_sriov_msg_pf2vf_info) == AMD_SRIOV_MSG_SIZE_KB << 10, 319 "amd_sriov_msg_pf2vf_info must be " stringification(AMD_SRIOV_MSG_SIZE_KB) " KB"); 320 321 _Static_assert( 322 AMD_SRIOV_MSG_RESERVE_UCODE % 4 == 0, 323 "AMD_SRIOV_MSG_RESERVE_UCODE must be multiple of 4"); 324 325 _Static_assert( 326 AMD_SRIOV_MSG_RESERVE_UCODE > AMD_SRIOV_UCODE_ID__MAX, 327 "AMD_SRIOV_MSG_RESERVE_UCODE must be bigger than AMD_SRIOV_UCODE_ID__MAX"); 328 329 #undef _stringification 330 #undef stringification 331 #endif 332 333 #endif /* AMDGV_SRIOV_MSG__H_ */ 334