1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ 2 3 #ifndef _UAPI_ASM_X86_AMD_HSMP_H_ 4 #define _UAPI_ASM_X86_AMD_HSMP_H_ 5 6 #include <linux/types.h> 7 8 #pragma pack(4) 9 10 #define HSMP_MAX_MSG_LEN 8 11 12 /* 13 * HSMP Messages supported 14 */ 15 enum hsmp_message_ids { 16 HSMP_TEST = 1, /* 01h Increments input value by 1 */ 17 HSMP_GET_SMU_VER, /* 02h SMU FW version */ 18 HSMP_GET_PROTO_VER, /* 03h HSMP interface version */ 19 HSMP_GET_SOCKET_POWER, /* 04h average package power consumption */ 20 HSMP_SET_SOCKET_POWER_LIMIT, /* 05h Set the socket power limit */ 21 HSMP_GET_SOCKET_POWER_LIMIT, /* 06h Get current socket power limit */ 22 HSMP_GET_SOCKET_POWER_LIMIT_MAX,/* 07h Get maximum socket power value */ 23 HSMP_SET_BOOST_LIMIT, /* 08h Set a core maximum frequency limit */ 24 HSMP_SET_BOOST_LIMIT_SOCKET, /* 09h Set socket maximum frequency level */ 25 HSMP_GET_BOOST_LIMIT, /* 0Ah Get current frequency limit */ 26 HSMP_GET_PROC_HOT, /* 0Bh Get PROCHOT status */ 27 HSMP_SET_XGMI_LINK_WIDTH, /* 0Ch Set max and min width of xGMI Link */ 28 HSMP_SET_DF_PSTATE, /* 0Dh Alter APEnable/Disable messages behavior */ 29 HSMP_SET_AUTO_DF_PSTATE, /* 0Eh Enable DF P-State Performance Boost algorithm */ 30 HSMP_GET_FCLK_MCLK, /* 0Fh Get FCLK and MEMCLK for current socket */ 31 HSMP_GET_CCLK_THROTTLE_LIMIT, /* 10h Get CCLK frequency limit in socket */ 32 HSMP_GET_C0_PERCENT, /* 11h Get average C0 residency in socket */ 33 HSMP_SET_NBIO_DPM_LEVEL, /* 12h Set max/min LCLK DPM Level for a given NBIO */ 34 HSMP_GET_NBIO_DPM_LEVEL, /* 13h Get LCLK DPM level min and max for a given NBIO */ 35 HSMP_GET_DDR_BANDWIDTH, /* 14h Get theoretical maximum and current DDR Bandwidth */ 36 HSMP_GET_TEMP_MONITOR, /* 15h Get socket temperature */ 37 HSMP_GET_DIMM_TEMP_RANGE, /* 16h Get per-DIMM temperature range and refresh rate */ 38 HSMP_GET_DIMM_POWER, /* 17h Get per-DIMM power consumption */ 39 HSMP_GET_DIMM_THERMAL, /* 18h Get per-DIMM thermal sensors */ 40 HSMP_GET_SOCKET_FREQ_LIMIT, /* 19h Get current active frequency per socket */ 41 HSMP_GET_CCLK_CORE_LIMIT, /* 1Ah Get CCLK frequency limit per core */ 42 HSMP_GET_RAILS_SVI, /* 1Bh Get SVI-based Telemetry for all rails */ 43 HSMP_GET_SOCKET_FMAX_FMIN, /* 1Ch Get Fmax and Fmin per socket */ 44 HSMP_GET_IOLINK_BANDWITH, /* 1Dh Get current bandwidth on IO Link */ 45 HSMP_GET_XGMI_BANDWITH, /* 1Eh Get current bandwidth on xGMI Link */ 46 HSMP_SET_GMI3_WIDTH, /* 1Fh Set max and min GMI3 Link width */ 47 HSMP_SET_PCI_RATE, /* 20h Control link rate on PCIe devices */ 48 HSMP_SET_POWER_MODE, /* 21h Select power efficiency profile policy */ 49 HSMP_SET_PSTATE_MAX_MIN, /* 22h Set the max and min DF P-State */ 50 HSMP_GET_METRIC_TABLE_VER, /* 23h Get metrics table version */ 51 HSMP_GET_METRIC_TABLE, /* 24h Get metrics table */ 52 HSMP_GET_METRIC_TABLE_DRAM_ADDR,/* 25h Get metrics table dram address */ 53 HSMP_MSG_ID_MAX, 54 }; 55 56 struct hsmp_message { 57 __u32 msg_id; /* Message ID */ 58 __u16 num_args; /* Number of input argument words in message */ 59 __u16 response_sz; /* Number of expected output/response words */ 60 __u32 args[HSMP_MAX_MSG_LEN]; /* argument/response buffer */ 61 __u16 sock_ind; /* socket number */ 62 }; 63 64 enum hsmp_msg_type { 65 HSMP_RSVD = -1, 66 HSMP_SET = 0, 67 HSMP_GET = 1, 68 }; 69 70 enum hsmp_proto_versions { 71 HSMP_PROTO_VER2 = 2, 72 HSMP_PROTO_VER3, 73 HSMP_PROTO_VER4, 74 HSMP_PROTO_VER5, 75 HSMP_PROTO_VER6 76 }; 77 78 struct hsmp_msg_desc { 79 int num_args; 80 int response_sz; 81 enum hsmp_msg_type type; 82 }; 83 84 /* 85 * User may use these comments as reference, please find the 86 * supported list of messages and message definition in the 87 * HSMP chapter of respective family/model PPR. 88 * 89 * Not supported messages would return -ENOMSG. 90 */ 91 static const struct hsmp_msg_desc hsmp_msg_desc_table[] = { 92 /* RESERVED */ 93 {0, 0, HSMP_RSVD}, 94 95 /* 96 * HSMP_TEST, num_args = 1, response_sz = 1 97 * input: args[0] = xx 98 * output: args[0] = xx + 1 99 */ 100 {1, 1, HSMP_GET}, 101 102 /* 103 * HSMP_GET_SMU_VER, num_args = 0, response_sz = 1 104 * output: args[0] = smu fw ver 105 */ 106 {0, 1, HSMP_GET}, 107 108 /* 109 * HSMP_GET_PROTO_VER, num_args = 0, response_sz = 1 110 * output: args[0] = proto version 111 */ 112 {0, 1, HSMP_GET}, 113 114 /* 115 * HSMP_GET_SOCKET_POWER, num_args = 0, response_sz = 1 116 * output: args[0] = socket power in mWatts 117 */ 118 {0, 1, HSMP_GET}, 119 120 /* 121 * HSMP_SET_SOCKET_POWER_LIMIT, num_args = 1, response_sz = 0 122 * input: args[0] = power limit value in mWatts 123 */ 124 {1, 0, HSMP_SET}, 125 126 /* 127 * HSMP_GET_SOCKET_POWER_LIMIT, num_args = 0, response_sz = 1 128 * output: args[0] = socket power limit value in mWatts 129 */ 130 {0, 1, HSMP_GET}, 131 132 /* 133 * HSMP_GET_SOCKET_POWER_LIMIT_MAX, num_args = 0, response_sz = 1 134 * output: args[0] = maximuam socket power limit in mWatts 135 */ 136 {0, 1, HSMP_GET}, 137 138 /* 139 * HSMP_SET_BOOST_LIMIT, num_args = 1, response_sz = 0 140 * input: args[0] = apic id[31:16] + boost limit value in MHz[15:0] 141 */ 142 {1, 0, HSMP_SET}, 143 144 /* 145 * HSMP_SET_BOOST_LIMIT_SOCKET, num_args = 1, response_sz = 0 146 * input: args[0] = boost limit value in MHz 147 */ 148 {1, 0, HSMP_SET}, 149 150 /* 151 * HSMP_GET_BOOST_LIMIT, num_args = 1, response_sz = 1 152 * input: args[0] = apic id 153 * output: args[0] = boost limit value in MHz 154 */ 155 {1, 1, HSMP_GET}, 156 157 /* 158 * HSMP_GET_PROC_HOT, num_args = 0, response_sz = 1 159 * output: args[0] = proc hot status 160 */ 161 {0, 1, HSMP_GET}, 162 163 /* 164 * HSMP_SET_XGMI_LINK_WIDTH, num_args = 1, response_sz = 0 165 * input: args[0] = min link width[15:8] + max link width[7:0] 166 */ 167 {1, 0, HSMP_SET}, 168 169 /* 170 * HSMP_SET_DF_PSTATE, num_args = 1, response_sz = 0 171 * input: args[0] = df pstate[7:0] 172 */ 173 {1, 0, HSMP_SET}, 174 175 /* HSMP_SET_AUTO_DF_PSTATE, num_args = 0, response_sz = 0 */ 176 {0, 0, HSMP_SET}, 177 178 /* 179 * HSMP_GET_FCLK_MCLK, num_args = 0, response_sz = 2 180 * output: args[0] = fclk in MHz, args[1] = mclk in MHz 181 */ 182 {0, 2, HSMP_GET}, 183 184 /* 185 * HSMP_GET_CCLK_THROTTLE_LIMIT, num_args = 0, response_sz = 1 186 * output: args[0] = core clock in MHz 187 */ 188 {0, 1, HSMP_GET}, 189 190 /* 191 * HSMP_GET_C0_PERCENT, num_args = 0, response_sz = 1 192 * output: args[0] = average c0 residency 193 */ 194 {0, 1, HSMP_GET}, 195 196 /* 197 * HSMP_SET_NBIO_DPM_LEVEL, num_args = 1, response_sz = 0 198 * input: args[0] = nbioid[23:16] + max dpm level[15:8] + min dpm level[7:0] 199 */ 200 {1, 0, HSMP_SET}, 201 202 /* 203 * HSMP_GET_NBIO_DPM_LEVEL, num_args = 1, response_sz = 1 204 * input: args[0] = nbioid[23:16] 205 * output: args[0] = max dpm level[15:8] + min dpm level[7:0] 206 */ 207 {1, 1, HSMP_GET}, 208 209 /* 210 * HSMP_GET_DDR_BANDWIDTH, num_args = 0, response_sz = 1 211 * output: args[0] = max bw in Gbps[31:20] + utilised bw in Gbps[19:8] + 212 * bw in percentage[7:0] 213 */ 214 {0, 1, HSMP_GET}, 215 216 /* 217 * HSMP_GET_TEMP_MONITOR, num_args = 0, response_sz = 1 218 * output: args[0] = temperature in degree celsius. [15:8] integer part + 219 * [7:5] fractional part 220 */ 221 {0, 1, HSMP_GET}, 222 223 /* 224 * HSMP_GET_DIMM_TEMP_RANGE, num_args = 1, response_sz = 1 225 * input: args[0] = DIMM address[7:0] 226 * output: args[0] = refresh rate[3] + temperature range[2:0] 227 */ 228 {1, 1, HSMP_GET}, 229 230 /* 231 * HSMP_GET_DIMM_POWER, num_args = 1, response_sz = 1 232 * input: args[0] = DIMM address[7:0] 233 * output: args[0] = DIMM power in mW[31:17] + update rate in ms[16:8] + 234 * DIMM address[7:0] 235 */ 236 {1, 1, HSMP_GET}, 237 238 /* 239 * HSMP_GET_DIMM_THERMAL, num_args = 1, response_sz = 1 240 * input: args[0] = DIMM address[7:0] 241 * output: args[0] = temperature in degree celcius[31:21] + update rate in ms[16:8] + 242 * DIMM address[7:0] 243 */ 244 {1, 1, HSMP_GET}, 245 246 /* 247 * HSMP_GET_SOCKET_FREQ_LIMIT, num_args = 0, response_sz = 1 248 * output: args[0] = frequency in MHz[31:16] + frequency source[15:0] 249 */ 250 {0, 1, HSMP_GET}, 251 252 /* 253 * HSMP_GET_CCLK_CORE_LIMIT, num_args = 1, response_sz = 1 254 * input: args[0] = apic id [31:0] 255 * output: args[0] = frequency in MHz[31:0] 256 */ 257 {1, 1, HSMP_GET}, 258 259 /* 260 * HSMP_GET_RAILS_SVI, num_args = 0, response_sz = 1 261 * output: args[0] = power in mW[31:0] 262 */ 263 {0, 1, HSMP_GET}, 264 265 /* 266 * HSMP_GET_SOCKET_FMAX_FMIN, num_args = 0, response_sz = 1 267 * output: args[0] = fmax in MHz[31:16] + fmin in MHz[15:0] 268 */ 269 {0, 1, HSMP_GET}, 270 271 /* 272 * HSMP_GET_IOLINK_BANDWITH, num_args = 1, response_sz = 1 273 * input: args[0] = link id[15:8] + bw type[2:0] 274 * output: args[0] = io bandwidth in Mbps[31:0] 275 */ 276 {1, 1, HSMP_GET}, 277 278 /* 279 * HSMP_GET_XGMI_BANDWITH, num_args = 1, response_sz = 1 280 * input: args[0] = link id[15:8] + bw type[2:0] 281 * output: args[0] = xgmi bandwidth in Mbps[31:0] 282 */ 283 {1, 1, HSMP_GET}, 284 285 /* 286 * HSMP_SET_GMI3_WIDTH, num_args = 1, response_sz = 0 287 * input: args[0] = min link width[15:8] + max link width[7:0] 288 */ 289 {1, 0, HSMP_SET}, 290 291 /* 292 * HSMP_SET_PCI_RATE, num_args = 1, response_sz = 1 293 * input: args[0] = link rate control value 294 * output: args[0] = previous link rate control value 295 */ 296 {1, 1, HSMP_SET}, 297 298 /* 299 * HSMP_SET_POWER_MODE, num_args = 1, response_sz = 0 300 * input: args[0] = power efficiency mode[2:0] 301 */ 302 {1, 0, HSMP_SET}, 303 304 /* 305 * HSMP_SET_PSTATE_MAX_MIN, num_args = 1, response_sz = 0 306 * input: args[0] = min df pstate[15:8] + max df pstate[7:0] 307 */ 308 {1, 0, HSMP_SET}, 309 310 /* 311 * HSMP_GET_METRIC_TABLE_VER, num_args = 0, response_sz = 1 312 * output: args[0] = metrics table version 313 */ 314 {0, 1, HSMP_GET}, 315 316 /* 317 * HSMP_GET_METRIC_TABLE, num_args = 0, response_sz = 0 318 */ 319 {0, 0, HSMP_GET}, 320 321 /* 322 * HSMP_GET_METRIC_TABLE_DRAM_ADDR, num_args = 0, response_sz = 2 323 * output: args[0] = lower 32 bits of the address 324 * output: args[1] = upper 32 bits of the address 325 */ 326 {0, 2, HSMP_GET}, 327 }; 328 329 /* Metrics table (supported only with proto version 6) */ 330 struct hsmp_metric_table { 331 __u32 accumulation_counter; 332 333 /* TEMPERATURE */ 334 __u32 max_socket_temperature; 335 __u32 max_vr_temperature; 336 __u32 max_hbm_temperature; 337 __u64 max_socket_temperature_acc; 338 __u64 max_vr_temperature_acc; 339 __u64 max_hbm_temperature_acc; 340 341 /* POWER */ 342 __u32 socket_power_limit; 343 __u32 max_socket_power_limit; 344 __u32 socket_power; 345 346 /* ENERGY */ 347 __u64 timestamp; 348 __u64 socket_energy_acc; 349 __u64 ccd_energy_acc; 350 __u64 xcd_energy_acc; 351 __u64 aid_energy_acc; 352 __u64 hbm_energy_acc; 353 354 /* FREQUENCY */ 355 __u32 cclk_frequency_limit; 356 __u32 gfxclk_frequency_limit; 357 __u32 fclk_frequency; 358 __u32 uclk_frequency; 359 __u32 socclk_frequency[4]; 360 __u32 vclk_frequency[4]; 361 __u32 dclk_frequency[4]; 362 __u32 lclk_frequency[4]; 363 __u64 gfxclk_frequency_acc[8]; 364 __u64 cclk_frequency_acc[96]; 365 366 /* FREQUENCY RANGE */ 367 __u32 max_cclk_frequency; 368 __u32 min_cclk_frequency; 369 __u32 max_gfxclk_frequency; 370 __u32 min_gfxclk_frequency; 371 __u32 fclk_frequency_table[4]; 372 __u32 uclk_frequency_table[4]; 373 __u32 socclk_frequency_table[4]; 374 __u32 vclk_frequency_table[4]; 375 __u32 dclk_frequency_table[4]; 376 __u32 lclk_frequency_table[4]; 377 __u32 max_lclk_dpm_range; 378 __u32 min_lclk_dpm_range; 379 380 /* XGMI */ 381 __u32 xgmi_width; 382 __u32 xgmi_bitrate; 383 __u64 xgmi_read_bandwidth_acc[8]; 384 __u64 xgmi_write_bandwidth_acc[8]; 385 386 /* ACTIVITY */ 387 __u32 socket_c0_residency; 388 __u32 socket_gfx_busy; 389 __u32 dram_bandwidth_utilization; 390 __u64 socket_c0_residency_acc; 391 __u64 socket_gfx_busy_acc; 392 __u64 dram_bandwidth_acc; 393 __u32 max_dram_bandwidth; 394 __u64 dram_bandwidth_utilization_acc; 395 __u64 pcie_bandwidth_acc[4]; 396 397 /* THROTTLERS */ 398 __u32 prochot_residency_acc; 399 __u32 ppt_residency_acc; 400 __u32 socket_thm_residency_acc; 401 __u32 vr_thm_residency_acc; 402 __u32 hbm_thm_residency_acc; 403 __u32 spare; 404 405 /* New items at the end to maintain driver compatibility */ 406 __u32 gfxclk_frequency[8]; 407 }; 408 409 /* Reset to default packing */ 410 #pragma pack() 411 412 /* Define unique ioctl command for hsmp msgs using generic _IOWR */ 413 #define HSMP_BASE_IOCTL_NR 0xF8 414 #define HSMP_IOCTL_CMD _IOWR(HSMP_BASE_IOCTL_NR, 0, struct hsmp_message) 415 416 #endif /*_ASM_X86_AMD_HSMP_H_*/ 417