root/tools/power/x86/intel-speed-select/isst-core.c

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DEFINITIONS

This source file includes following definitions.
  1. isst_get_ctdp_levels
  2. isst_get_ctdp_control
  3. isst_get_tdp_info
  4. isst_get_pwr_info
  5. isst_get_tjmax_info
  6. isst_get_coremask_info
  7. isst_get_get_trl
  8. isst_get_trl_bucket_info
  9. isst_set_tdp_level_msr
  10. isst_set_tdp_level
  11. isst_get_pbf_info
  12. isst_get_pbf_info_complete
  13. isst_set_pbf_fact_status
  14. isst_get_fact_bucket_info
  15. isst_get_fact_info
  16. isst_set_trl
  17. isst_set_trl_from_current_tdp
  18. isst_get_config_tdp_lock_status
  19. isst_get_process_ctdp_complete
  20. isst_get_process_ctdp
  21. isst_clos_get_clos_information
  22. isst_pm_qos_config
  23. isst_pm_get_clos
  24. isst_set_clos
  25. isst_clos_get_assoc_status
  26. isst_clos_associate

   1 // SPDX-License-Identifier: GPL-2.0
   2 /*
   3  * Intel Speed Select -- Enumerate and control features
   4  * Copyright (c) 2019 Intel Corporation.
   5  */
   6 
   7 #include "isst.h"
   8 
   9 int isst_get_ctdp_levels(int cpu, struct isst_pkg_ctdp *pkg_dev)
  10 {
  11         unsigned int resp;
  12         int ret;
  13 
  14         ret = isst_send_mbox_command(cpu, CONFIG_TDP,
  15                                      CONFIG_TDP_GET_LEVELS_INFO, 0, 0, &resp);
  16         if (ret)
  17                 return ret;
  18 
  19         debug_printf("cpu:%d CONFIG_TDP_GET_LEVELS_INFO resp:%x\n", cpu, resp);
  20 
  21         pkg_dev->version = resp & 0xff;
  22         pkg_dev->levels = (resp >> 8) & 0xff;
  23         pkg_dev->current_level = (resp >> 16) & 0xff;
  24         pkg_dev->locked = !!(resp & BIT(24));
  25         pkg_dev->enabled = !!(resp & BIT(31));
  26 
  27         return 0;
  28 }
  29 
  30 int isst_get_ctdp_control(int cpu, int config_index,
  31                           struct isst_pkg_ctdp_level_info *ctdp_level)
  32 {
  33         unsigned int resp;
  34         int ret;
  35 
  36         ret = isst_send_mbox_command(cpu, CONFIG_TDP,
  37                                      CONFIG_TDP_GET_TDP_CONTROL, 0,
  38                                      config_index, &resp);
  39         if (ret)
  40                 return ret;
  41 
  42         ctdp_level->fact_support = resp & BIT(0);
  43         ctdp_level->pbf_support = !!(resp & BIT(1));
  44         ctdp_level->fact_enabled = !!(resp & BIT(16));
  45         ctdp_level->pbf_enabled = !!(resp & BIT(17));
  46 
  47         debug_printf(
  48                 "cpu:%d CONFIG_TDP_GET_TDP_CONTROL resp:%x fact_support:%d pbf_support: %d fact_enabled:%d pbf_enabled:%d\n",
  49                 cpu, resp, ctdp_level->fact_support, ctdp_level->pbf_support,
  50                 ctdp_level->fact_enabled, ctdp_level->pbf_enabled);
  51 
  52         return 0;
  53 }
  54 
  55 int isst_get_tdp_info(int cpu, int config_index,
  56                       struct isst_pkg_ctdp_level_info *ctdp_level)
  57 {
  58         unsigned int resp;
  59         int ret;
  60 
  61         ret = isst_send_mbox_command(cpu, CONFIG_TDP, CONFIG_TDP_GET_TDP_INFO,
  62                                      0, config_index, &resp);
  63         if (ret)
  64                 return ret;
  65 
  66         ctdp_level->pkg_tdp = resp & GENMASK(14, 0);
  67         ctdp_level->tdp_ratio = (resp & GENMASK(23, 16)) >> 16;
  68 
  69         debug_printf(
  70                 "cpu:%d ctdp:%d CONFIG_TDP_GET_TDP_INFO resp:%x tdp_ratio:%d pkg_tdp:%d\n",
  71                 cpu, config_index, resp, ctdp_level->tdp_ratio,
  72                 ctdp_level->pkg_tdp);
  73         return 0;
  74 }
  75 
  76 int isst_get_pwr_info(int cpu, int config_index,
  77                       struct isst_pkg_ctdp_level_info *ctdp_level)
  78 {
  79         unsigned int resp;
  80         int ret;
  81 
  82         ret = isst_send_mbox_command(cpu, CONFIG_TDP, CONFIG_TDP_GET_PWR_INFO,
  83                                      0, config_index, &resp);
  84         if (ret)
  85                 return ret;
  86 
  87         ctdp_level->pkg_max_power = resp & GENMASK(14, 0);
  88         ctdp_level->pkg_min_power = (resp & GENMASK(30, 16)) >> 16;
  89 
  90         debug_printf(
  91                 "cpu:%d ctdp:%d CONFIG_TDP_GET_PWR_INFO resp:%x pkg_max_power:%d pkg_min_power:%d\n",
  92                 cpu, config_index, resp, ctdp_level->pkg_max_power,
  93                 ctdp_level->pkg_min_power);
  94 
  95         return 0;
  96 }
  97 
  98 int isst_get_tjmax_info(int cpu, int config_index,
  99                         struct isst_pkg_ctdp_level_info *ctdp_level)
 100 {
 101         unsigned int resp;
 102         int ret;
 103 
 104         ret = isst_send_mbox_command(cpu, CONFIG_TDP, CONFIG_TDP_GET_TJMAX_INFO,
 105                                      0, config_index, &resp);
 106         if (ret)
 107                 return ret;
 108 
 109         ctdp_level->t_proc_hot = resp & GENMASK(7, 0);
 110 
 111         debug_printf(
 112                 "cpu:%d ctdp:%d CONFIG_TDP_GET_TJMAX_INFO resp:%x t_proc_hot:%d\n",
 113                 cpu, config_index, resp, ctdp_level->t_proc_hot);
 114 
 115         return 0;
 116 }
 117 
 118 int isst_get_coremask_info(int cpu, int config_index,
 119                            struct isst_pkg_ctdp_level_info *ctdp_level)
 120 {
 121         unsigned int resp;
 122         int i, ret;
 123 
 124         ctdp_level->cpu_count = 0;
 125         for (i = 0; i < 2; ++i) {
 126                 unsigned long long mask;
 127                 int cpu_count = 0;
 128 
 129                 ret = isst_send_mbox_command(cpu, CONFIG_TDP,
 130                                              CONFIG_TDP_GET_CORE_MASK, 0,
 131                                              (i << 8) | config_index, &resp);
 132                 if (ret)
 133                         return ret;
 134 
 135                 debug_printf(
 136                         "cpu:%d ctdp:%d mask:%d CONFIG_TDP_GET_CORE_MASK resp:%x\n",
 137                         cpu, config_index, i, resp);
 138 
 139                 mask = (unsigned long long)resp << (32 * i);
 140                 set_cpu_mask_from_punit_coremask(cpu, mask,
 141                                                  ctdp_level->core_cpumask_size,
 142                                                  ctdp_level->core_cpumask,
 143                                                  &cpu_count);
 144                 ctdp_level->cpu_count += cpu_count;
 145                 debug_printf("cpu:%d ctdp:%d mask:%d cpu count:%d\n", cpu,
 146                              config_index, i, ctdp_level->cpu_count);
 147         }
 148 
 149         return 0;
 150 }
 151 
 152 int isst_get_get_trl(int cpu, int level, int avx_level, int *trl)
 153 {
 154         unsigned int req, resp;
 155         int ret;
 156 
 157         req = level | (avx_level << 16);
 158         ret = isst_send_mbox_command(cpu, CONFIG_TDP,
 159                                      CONFIG_TDP_GET_TURBO_LIMIT_RATIOS, 0, req,
 160                                      &resp);
 161         if (ret)
 162                 return ret;
 163 
 164         debug_printf(
 165                 "cpu:%d CONFIG_TDP_GET_TURBO_LIMIT_RATIOS req:%x resp:%x\n",
 166                 cpu, req, resp);
 167 
 168         trl[0] = resp & GENMASK(7, 0);
 169         trl[1] = (resp & GENMASK(15, 8)) >> 8;
 170         trl[2] = (resp & GENMASK(23, 16)) >> 16;
 171         trl[3] = (resp & GENMASK(31, 24)) >> 24;
 172 
 173         req = level | BIT(8) | (avx_level << 16);
 174         ret = isst_send_mbox_command(cpu, CONFIG_TDP,
 175                                      CONFIG_TDP_GET_TURBO_LIMIT_RATIOS, 0, req,
 176                                      &resp);
 177         if (ret)
 178                 return ret;
 179 
 180         debug_printf("cpu:%d CONFIG_TDP_GET_TURBO_LIMIT req:%x resp:%x\n", cpu,
 181                      req, resp);
 182 
 183         trl[4] = resp & GENMASK(7, 0);
 184         trl[5] = (resp & GENMASK(15, 8)) >> 8;
 185         trl[6] = (resp & GENMASK(23, 16)) >> 16;
 186         trl[7] = (resp & GENMASK(31, 24)) >> 24;
 187 
 188         return 0;
 189 }
 190 
 191 int isst_get_trl_bucket_info(int cpu, unsigned long long *buckets_info)
 192 {
 193         int ret;
 194 
 195         debug_printf("cpu:%d bucket info via MSR\n", cpu);
 196 
 197         *buckets_info = 0;
 198 
 199         ret = isst_send_msr_command(cpu, 0x1ae, 0, buckets_info);
 200         if (ret)
 201                 return ret;
 202 
 203         debug_printf("cpu:%d bucket info via MSR successful 0x%llx\n", cpu,
 204                      *buckets_info);
 205 
 206         return 0;
 207 }
 208 
 209 int isst_set_tdp_level_msr(int cpu, int tdp_level)
 210 {
 211         unsigned long long level = tdp_level;
 212         int ret;
 213 
 214         debug_printf("cpu: tdp_level via MSR %d\n", cpu, tdp_level);
 215 
 216         if (isst_get_config_tdp_lock_status(cpu)) {
 217                 debug_printf("cpu: tdp_locked %d\n", cpu);
 218                 return -1;
 219         }
 220 
 221         if (tdp_level > 2)
 222                 return -1; /* invalid value */
 223 
 224         ret = isst_send_msr_command(cpu, 0x64b, 1, &level);
 225         if (ret)
 226                 return ret;
 227 
 228         debug_printf("cpu: tdp_level via MSR successful %d\n", cpu, tdp_level);
 229 
 230         return 0;
 231 }
 232 
 233 int isst_set_tdp_level(int cpu, int tdp_level)
 234 {
 235         unsigned int resp;
 236         int ret;
 237 
 238         ret = isst_send_mbox_command(cpu, CONFIG_TDP, CONFIG_TDP_SET_LEVEL, 0,
 239                                      tdp_level, &resp);
 240         if (ret)
 241                 return isst_set_tdp_level_msr(cpu, tdp_level);
 242 
 243         return 0;
 244 }
 245 
 246 int isst_get_pbf_info(int cpu, int level, struct isst_pbf_info *pbf_info)
 247 {
 248         unsigned int req, resp;
 249         int i, ret;
 250 
 251         pbf_info->core_cpumask_size = alloc_cpu_set(&pbf_info->core_cpumask);
 252 
 253         for (i = 0; i < 2; ++i) {
 254                 unsigned long long mask;
 255                 int count;
 256 
 257                 ret = isst_send_mbox_command(cpu, CONFIG_TDP,
 258                                              CONFIG_TDP_PBF_GET_CORE_MASK_INFO,
 259                                              0, (i << 8) | level, &resp);
 260                 if (ret)
 261                         return ret;
 262 
 263                 debug_printf(
 264                         "cpu:%d CONFIG_TDP_PBF_GET_CORE_MASK_INFO resp:%x\n",
 265                         cpu, resp);
 266 
 267                 mask = (unsigned long long)resp << (32 * i);
 268                 set_cpu_mask_from_punit_coremask(cpu, mask,
 269                                                  pbf_info->core_cpumask_size,
 270                                                  pbf_info->core_cpumask,
 271                                                  &count);
 272         }
 273 
 274         req = level;
 275         ret = isst_send_mbox_command(cpu, CONFIG_TDP,
 276                                      CONFIG_TDP_PBF_GET_P1HI_P1LO_INFO, 0, req,
 277                                      &resp);
 278         if (ret)
 279                 return ret;
 280 
 281         debug_printf("cpu:%d CONFIG_TDP_PBF_GET_P1HI_P1LO_INFO resp:%x\n", cpu,
 282                      resp);
 283 
 284         pbf_info->p1_low = resp & 0xff;
 285         pbf_info->p1_high = (resp & GENMASK(15, 8)) >> 8;
 286 
 287         req = level;
 288         ret = isst_send_mbox_command(
 289                 cpu, CONFIG_TDP, CONFIG_TDP_PBF_GET_TDP_INFO, 0, req, &resp);
 290         if (ret)
 291                 return ret;
 292 
 293         debug_printf("cpu:%d CONFIG_TDP_PBF_GET_TDP_INFO resp:%x\n", cpu, resp);
 294 
 295         pbf_info->tdp = resp & 0xffff;
 296 
 297         req = level;
 298         ret = isst_send_mbox_command(
 299                 cpu, CONFIG_TDP, CONFIG_TDP_PBF_GET_TJ_MAX_INFO, 0, req, &resp);
 300         if (ret)
 301                 return ret;
 302 
 303         debug_printf("cpu:%d CONFIG_TDP_PBF_GET_TJ_MAX_INFO resp:%x\n", cpu,
 304                      resp);
 305         pbf_info->t_control = (resp >> 8) & 0xff;
 306         pbf_info->t_prochot = resp & 0xff;
 307 
 308         return 0;
 309 }
 310 
 311 void isst_get_pbf_info_complete(struct isst_pbf_info *pbf_info)
 312 {
 313         free_cpu_set(pbf_info->core_cpumask);
 314 }
 315 
 316 int isst_set_pbf_fact_status(int cpu, int pbf, int enable)
 317 {
 318         struct isst_pkg_ctdp pkg_dev;
 319         struct isst_pkg_ctdp_level_info ctdp_level;
 320         int current_level;
 321         unsigned int req = 0, resp;
 322         int ret;
 323 
 324         ret = isst_get_ctdp_levels(cpu, &pkg_dev);
 325         if (ret)
 326                 return ret;
 327 
 328         current_level = pkg_dev.current_level;
 329 
 330         ret = isst_get_ctdp_control(cpu, current_level, &ctdp_level);
 331         if (ret)
 332                 return ret;
 333 
 334         if (pbf) {
 335                 if (ctdp_level.fact_enabled)
 336                         req = BIT(16);
 337 
 338                 if (enable)
 339                         req |= BIT(17);
 340                 else
 341                         req &= ~BIT(17);
 342         } else {
 343                 if (ctdp_level.pbf_enabled)
 344                         req = BIT(17);
 345 
 346                 if (enable)
 347                         req |= BIT(16);
 348                 else
 349                         req &= ~BIT(16);
 350         }
 351 
 352         ret = isst_send_mbox_command(cpu, CONFIG_TDP,
 353                                      CONFIG_TDP_SET_TDP_CONTROL, 0, req, &resp);
 354         if (ret)
 355                 return ret;
 356 
 357         debug_printf("cpu:%d CONFIG_TDP_SET_TDP_CONTROL pbf/fact:%d req:%x\n",
 358                      cpu, pbf, req);
 359 
 360         return 0;
 361 }
 362 
 363 int isst_get_fact_bucket_info(int cpu, int level,
 364                               struct isst_fact_bucket_info *bucket_info)
 365 {
 366         unsigned int resp;
 367         int i, k, ret;
 368 
 369         for (i = 0; i < 2; ++i) {
 370                 int j;
 371 
 372                 ret = isst_send_mbox_command(
 373                         cpu, CONFIG_TDP,
 374                         CONFIG_TDP_GET_FACT_HP_TURBO_LIMIT_NUMCORES, 0,
 375                         (i << 8) | level, &resp);
 376                 if (ret)
 377                         return ret;
 378 
 379                 debug_printf(
 380                         "cpu:%d CONFIG_TDP_GET_FACT_HP_TURBO_LIMIT_NUMCORES index:%d level:%d resp:%x\n",
 381                         cpu, i, level, resp);
 382 
 383                 for (j = 0; j < 4; ++j) {
 384                         bucket_info[j + (i * 4)].high_priority_cores_count =
 385                                 (resp >> (j * 8)) & 0xff;
 386                 }
 387         }
 388 
 389         for (k = 0; k < 3; ++k) {
 390                 for (i = 0; i < 2; ++i) {
 391                         int j;
 392 
 393                         ret = isst_send_mbox_command(
 394                                 cpu, CONFIG_TDP,
 395                                 CONFIG_TDP_GET_FACT_HP_TURBO_LIMIT_RATIOS, 0,
 396                                 (k << 16) | (i << 8) | level, &resp);
 397                         if (ret)
 398                                 return ret;
 399 
 400                         debug_printf(
 401                                 "cpu:%d CONFIG_TDP_GET_FACT_HP_TURBO_LIMIT_RATIOS index:%d level:%d avx:%d resp:%x\n",
 402                                 cpu, i, level, k, resp);
 403 
 404                         for (j = 0; j < 4; ++j) {
 405                                 switch (k) {
 406                                 case 0:
 407                                         bucket_info[j + (i * 4)].sse_trl =
 408                                                 (resp >> (j * 8)) & 0xff;
 409                                         break;
 410                                 case 1:
 411                                         bucket_info[j + (i * 4)].avx_trl =
 412                                                 (resp >> (j * 8)) & 0xff;
 413                                         break;
 414                                 case 2:
 415                                         bucket_info[j + (i * 4)].avx512_trl =
 416                                                 (resp >> (j * 8)) & 0xff;
 417                                         break;
 418                                 default:
 419                                         break;
 420                                 }
 421                         }
 422                 }
 423         }
 424 
 425         return 0;
 426 }
 427 
 428 int isst_get_fact_info(int cpu, int level, struct isst_fact_info *fact_info)
 429 {
 430         unsigned int resp;
 431         int ret;
 432 
 433         ret = isst_send_mbox_command(cpu, CONFIG_TDP,
 434                                      CONFIG_TDP_GET_FACT_LP_CLIPPING_RATIO, 0,
 435                                      level, &resp);
 436         if (ret)
 437                 return ret;
 438 
 439         debug_printf("cpu:%d CONFIG_TDP_GET_FACT_LP_CLIPPING_RATIO resp:%x\n",
 440                      cpu, resp);
 441 
 442         fact_info->lp_clipping_ratio_license_sse = resp & 0xff;
 443         fact_info->lp_clipping_ratio_license_avx2 = (resp >> 8) & 0xff;
 444         fact_info->lp_clipping_ratio_license_avx512 = (resp >> 16) & 0xff;
 445 
 446         ret = isst_get_fact_bucket_info(cpu, level, fact_info->bucket_info);
 447 
 448         return ret;
 449 }
 450 
 451 int isst_set_trl(int cpu, unsigned long long trl)
 452 {
 453         int ret;
 454 
 455         if (!trl)
 456                 trl = 0xFFFFFFFFFFFFFFFFULL;
 457 
 458         ret = isst_send_msr_command(cpu, 0x1AD, 1, &trl);
 459         if (ret)
 460                 return ret;
 461 
 462         return 0;
 463 }
 464 
 465 int isst_set_trl_from_current_tdp(int cpu, unsigned long long trl)
 466 {
 467         unsigned long long msr_trl;
 468         int ret;
 469 
 470         if (trl) {
 471                 msr_trl = trl;
 472         } else {
 473                 struct isst_pkg_ctdp pkg_dev;
 474                 int trl[8];
 475                 int i;
 476 
 477                 ret = isst_get_ctdp_levels(cpu, &pkg_dev);
 478                 if (ret)
 479                         return ret;
 480 
 481                 ret = isst_get_get_trl(cpu, pkg_dev.current_level, 0, trl);
 482                 if (ret)
 483                         return ret;
 484 
 485                 msr_trl = 0;
 486                 for (i = 0; i < 8; ++i) {
 487                         unsigned long long _trl = trl[i];
 488 
 489                         msr_trl |= (_trl << (i * 8));
 490                 }
 491         }
 492         ret = isst_send_msr_command(cpu, 0x1AD, 1, &msr_trl);
 493         if (ret)
 494                 return ret;
 495 
 496         return 0;
 497 }
 498 
 499 /* Return 1 if locked */
 500 int isst_get_config_tdp_lock_status(int cpu)
 501 {
 502         unsigned long long tdp_control = 0;
 503         int ret;
 504 
 505         ret = isst_send_msr_command(cpu, 0x64b, 0, &tdp_control);
 506         if (ret)
 507                 return ret;
 508 
 509         ret = !!(tdp_control & BIT(31));
 510 
 511         return ret;
 512 }
 513 
 514 void isst_get_process_ctdp_complete(int cpu, struct isst_pkg_ctdp *pkg_dev)
 515 {
 516         int i;
 517 
 518         if (!pkg_dev->processed)
 519                 return;
 520 
 521         for (i = 0; i < pkg_dev->levels; ++i) {
 522                 struct isst_pkg_ctdp_level_info *ctdp_level;
 523 
 524                 ctdp_level = &pkg_dev->ctdp_level[i];
 525                 if (ctdp_level->pbf_support)
 526                         free_cpu_set(ctdp_level->pbf_info.core_cpumask);
 527                 free_cpu_set(ctdp_level->core_cpumask);
 528         }
 529 }
 530 
 531 int isst_get_process_ctdp(int cpu, int tdp_level, struct isst_pkg_ctdp *pkg_dev)
 532 {
 533         int i, ret;
 534 
 535         if (pkg_dev->processed)
 536                 return 0;
 537 
 538         ret = isst_get_ctdp_levels(cpu, pkg_dev);
 539         if (ret)
 540                 return ret;
 541 
 542         debug_printf("cpu: %d ctdp enable:%d current level: %d levels:%d\n",
 543                      cpu, pkg_dev->enabled, pkg_dev->current_level,
 544                      pkg_dev->levels);
 545 
 546         for (i = 0; i <= pkg_dev->levels; ++i) {
 547                 struct isst_pkg_ctdp_level_info *ctdp_level;
 548 
 549                 if (tdp_level != 0xff && i != tdp_level)
 550                         continue;
 551 
 552                 debug_printf("cpu:%d Get Information for TDP level:%d\n", cpu,
 553                              i);
 554                 ctdp_level = &pkg_dev->ctdp_level[i];
 555 
 556                 ctdp_level->level = i;
 557                 ctdp_level->control_cpu = cpu;
 558                 ctdp_level->pkg_id = get_physical_package_id(cpu);
 559                 ctdp_level->die_id = get_physical_die_id(cpu);
 560 
 561                 ret = isst_get_ctdp_control(cpu, i, ctdp_level);
 562                 if (ret)
 563                         continue;
 564 
 565                 pkg_dev->processed = 1;
 566                 ctdp_level->processed = 1;
 567 
 568                 ret = isst_get_tdp_info(cpu, i, ctdp_level);
 569                 if (ret)
 570                         return ret;
 571 
 572                 ret = isst_get_pwr_info(cpu, i, ctdp_level);
 573                 if (ret)
 574                         return ret;
 575 
 576                 ret = isst_get_tjmax_info(cpu, i, ctdp_level);
 577                 if (ret)
 578                         return ret;
 579 
 580                 ctdp_level->core_cpumask_size =
 581                         alloc_cpu_set(&ctdp_level->core_cpumask);
 582                 ret = isst_get_coremask_info(cpu, i, ctdp_level);
 583                 if (ret)
 584                         return ret;
 585 
 586                 ret = isst_get_trl_bucket_info(cpu, &ctdp_level->buckets_info);
 587                 if (ret)
 588                         return ret;
 589 
 590                 ret = isst_get_get_trl(cpu, i, 0,
 591                                        ctdp_level->trl_sse_active_cores);
 592                 if (ret)
 593                         return ret;
 594 
 595                 ret = isst_get_get_trl(cpu, i, 1,
 596                                        ctdp_level->trl_avx_active_cores);
 597                 if (ret)
 598                         return ret;
 599 
 600                 ret = isst_get_get_trl(cpu, i, 2,
 601                                        ctdp_level->trl_avx_512_active_cores);
 602                 if (ret)
 603                         return ret;
 604 
 605                 if (ctdp_level->pbf_support) {
 606                         ret = isst_get_pbf_info(cpu, i, &ctdp_level->pbf_info);
 607                         if (!ret)
 608                                 ctdp_level->pbf_found = 1;
 609                 }
 610 
 611                 if (ctdp_level->fact_support) {
 612                         ret = isst_get_fact_info(cpu, i,
 613                                                  &ctdp_level->fact_info);
 614                         if (ret)
 615                                 return ret;
 616                 }
 617         }
 618 
 619         return 0;
 620 }
 621 
 622 int isst_clos_get_clos_information(int cpu, int *enable, int *type)
 623 {
 624         unsigned int resp;
 625         int ret;
 626 
 627         ret = isst_send_mbox_command(cpu, CONFIG_CLOS, CLOS_PM_QOS_CONFIG, 0, 0,
 628                                      &resp);
 629         if (ret)
 630                 return ret;
 631 
 632         debug_printf("cpu:%d CLOS_PM_QOS_CONFIG resp:%x\n", cpu, resp);
 633 
 634         if (resp & BIT(1))
 635                 *enable = 1;
 636         else
 637                 *enable = 0;
 638 
 639         if (resp & BIT(2))
 640                 *type = 1;
 641         else
 642                 *type = 0;
 643 
 644         return 0;
 645 }
 646 
 647 int isst_pm_qos_config(int cpu, int enable_clos, int priority_type)
 648 {
 649         unsigned int req, resp;
 650         int ret;
 651 
 652         ret = isst_send_mbox_command(cpu, CONFIG_CLOS, CLOS_PM_QOS_CONFIG, 0, 0,
 653                                      &resp);
 654         if (ret)
 655                 return ret;
 656 
 657         debug_printf("cpu:%d CLOS_PM_QOS_CONFIG resp:%x\n", cpu, resp);
 658 
 659         req = resp;
 660 
 661         if (enable_clos)
 662                 req = req | BIT(1);
 663         else
 664                 req = req & ~BIT(1);
 665 
 666         if (priority_type)
 667                 req = req | BIT(2);
 668         else
 669                 req = req & ~BIT(2);
 670 
 671         ret = isst_send_mbox_command(cpu, CONFIG_CLOS, CLOS_PM_QOS_CONFIG,
 672                                      BIT(MBOX_CMD_WRITE_BIT), req, &resp);
 673         if (ret)
 674                 return ret;
 675 
 676         debug_printf("cpu:%d CLOS_PM_QOS_CONFIG priority type:%d req:%x\n", cpu,
 677                      priority_type, req);
 678 
 679         return 0;
 680 }
 681 
 682 int isst_pm_get_clos(int cpu, int clos, struct isst_clos_config *clos_config)
 683 {
 684         unsigned int resp;
 685         int ret;
 686 
 687         ret = isst_send_mbox_command(cpu, CONFIG_CLOS, CLOS_PM_CLOS, clos, 0,
 688                                      &resp);
 689         if (ret)
 690                 return ret;
 691 
 692         clos_config->pkg_id = get_physical_package_id(cpu);
 693         clos_config->die_id = get_physical_die_id(cpu);
 694 
 695         clos_config->epp = resp & 0x0f;
 696         clos_config->clos_prop_prio = (resp >> 4) & 0x0f;
 697         clos_config->clos_min = (resp >> 8) & 0xff;
 698         clos_config->clos_max = (resp >> 16) & 0xff;
 699         clos_config->clos_desired = (resp >> 24) & 0xff;
 700 
 701         return 0;
 702 }
 703 
 704 int isst_set_clos(int cpu, int clos, struct isst_clos_config *clos_config)
 705 {
 706         unsigned int req, resp;
 707         unsigned int param;
 708         int ret;
 709 
 710         req = clos_config->epp & 0x0f;
 711         req |= (clos_config->clos_prop_prio & 0x0f) << 4;
 712         req |= (clos_config->clos_min & 0xff) << 8;
 713         req |= (clos_config->clos_max & 0xff) << 16;
 714         req |= (clos_config->clos_desired & 0xff) << 24;
 715 
 716         param = BIT(MBOX_CMD_WRITE_BIT) | clos;
 717 
 718         ret = isst_send_mbox_command(cpu, CONFIG_CLOS, CLOS_PM_CLOS, param, req,
 719                                      &resp);
 720         if (ret)
 721                 return ret;
 722 
 723         debug_printf("cpu:%d CLOS_PM_CLOS param:%x req:%x\n", cpu, param, req);
 724 
 725         return 0;
 726 }
 727 
 728 int isst_clos_get_assoc_status(int cpu, int *clos_id)
 729 {
 730         unsigned int resp;
 731         unsigned int param;
 732         int core_id, ret;
 733 
 734         core_id = find_phy_core_num(cpu);
 735         param = core_id;
 736 
 737         ret = isst_send_mbox_command(cpu, CONFIG_CLOS, CLOS_PQR_ASSOC, param, 0,
 738                                      &resp);
 739         if (ret)
 740                 return ret;
 741 
 742         debug_printf("cpu:%d CLOS_PQR_ASSOC param:%x resp:%x\n", cpu, param,
 743                      resp);
 744         *clos_id = (resp >> 16) & 0x03;
 745 
 746         return 0;
 747 }
 748 
 749 int isst_clos_associate(int cpu, int clos_id)
 750 {
 751         unsigned int req, resp;
 752         unsigned int param;
 753         int core_id, ret;
 754 
 755         req = (clos_id & 0x03) << 16;
 756         core_id = find_phy_core_num(cpu);
 757         param = BIT(MBOX_CMD_WRITE_BIT) | core_id;
 758 
 759         ret = isst_send_mbox_command(cpu, CONFIG_CLOS, CLOS_PQR_ASSOC, param,
 760                                      req, &resp);
 761         if (ret)
 762                 return ret;
 763 
 764         debug_printf("cpu:%d CLOS_PQR_ASSOC param:%x req:%x\n", cpu, param,
 765                      req);
 766 
 767         return 0;
 768 }

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