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

   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 static int mbox_delay;
  10 static int mbox_retries = 3;
  11
  12 static struct isst_platform_ops         *isst_ops;
  13
  14 #define CHECK_CB(_name) \
  15         do {    \
  16                 if (!isst_ops || !isst_ops->_name) {    \
  17                         fprintf(stderr, "Invalid ops\n");       \
  18                         exit(0);        \
  19                 }       \
  20         } while (0)
  21
  22 int isst_set_platform_ops(void)
  23 {
  24         isst_ops = mbox_get_platform_ops();
  25
  26         if (!isst_ops)
  27                 return -1;
  28         return 0;
  29 }
  30
  31 void isst_update_platform_param(enum isst_platform_param param, int value)
  32 {
  33         switch (param) {
  34         case ISST_PARAM_MBOX_DELAY:
  35                 mbox_delay = value;
  36                 break;
  37         case ISST_PARAM_MBOX_RETRIES:
  38                 mbox_retries = value;
  39                 break;
  40         default:
  41                 break;
  42         }
  43 }
  44
  45 int isst_get_disp_freq_multiplier(void)
  46 {
  47         CHECK_CB(get_disp_freq_multiplier);
  48         return isst_ops->get_disp_freq_multiplier();
  49 }
  50
  51 int isst_get_trl_max_levels(void)
  52 {
  53         CHECK_CB(get_trl_max_levels);
  54         return isst_ops->get_trl_max_levels();
  55 }
  56
  57 char *isst_get_trl_level_name(int level)
  58 {
  59         CHECK_CB(get_trl_level_name);
  60         return isst_ops->get_trl_level_name(level);
  61 }
  62
  63 int isst_is_punit_valid(struct isst_id *id)
  64 {
  65         CHECK_CB(is_punit_valid);
  66         return isst_ops->is_punit_valid(id);
  67 }
  68
  69 static int isst_send_mmio_command(unsigned int cpu, unsigned int reg, int write,
  70                                   unsigned int *value)
  71 {
  72         struct isst_if_io_regs io_regs;
  73         const char *pathname = "/dev/isst_interface";
  74         int cmd;
  75         FILE *outf = get_output_file();
  76         int fd;
  77
  78         debug_printf("mmio_cmd cpu:%d reg:%d write:%d\n", cpu, reg, write);
  79
  80         fd = open(pathname, O_RDWR);
  81         if (fd < 0)
  82                 err(-1, "%s open failed", pathname);
  83
  84         io_regs.req_count = 1;
  85         io_regs.io_reg[0].logical_cpu = cpu;
  86         io_regs.io_reg[0].reg = reg;
  87         cmd = ISST_IF_IO_CMD;
  88         if (write) {
  89                 io_regs.io_reg[0].read_write = 1;
  90                 io_regs.io_reg[0].value = *value;
  91         } else {
  92                 io_regs.io_reg[0].read_write = 0;
  93         }
  94
  95         if (ioctl(fd, cmd, &io_regs) == -1) {
  96                 if (errno == ENOTTY) {
  97                         perror("ISST_IF_IO_COMMAND\n");
  98                         fprintf(stderr, "Check presence of kernel modules: isst_if_mmio\n");
  99                         exit(0);
 100                 }
 101                 fprintf(outf, "Error: mmio_cmd cpu:%d reg:%x read_write:%x\n",
 102                         cpu, reg, write);
 103         } else {
 104                 if (!write)
 105                         *value = io_regs.io_reg[0].value;
 106
 107                 debug_printf(
 108                         "mmio_cmd response: cpu:%d reg:%x rd_write:%x resp:%x\n",
 109                         cpu, reg, write, *value);
 110         }
 111
 112         close(fd);
 113
 114         return 0;
 115 }
 116
 117 int isst_send_mbox_command(unsigned int cpu, unsigned char command,
 118                            unsigned char sub_command, unsigned int parameter,
 119                            unsigned int req_data, unsigned int *resp)
 120 {
 121         const char *pathname = "/dev/isst_interface";
 122         int fd, retry;
 123         struct isst_if_mbox_cmds mbox_cmds = { 0 };
 124
 125         debug_printf(
 126                 "mbox_send: cpu:%d command:%x sub_command:%x parameter:%x req_data:%x\n",
 127                 cpu, command, sub_command, parameter, req_data);
 128
 129         if (!is_skx_based_platform() && command == CONFIG_CLOS &&
 130             sub_command != CLOS_PM_QOS_CONFIG) {
 131                 unsigned int value;
 132                 int write = 0;
 133                 int clos_id, core_id, ret = 0;
 134
 135                 debug_printf("CPU %d\n", cpu);
 136
 137                 if (parameter & BIT(MBOX_CMD_WRITE_BIT)) {
 138                         value = req_data;
 139                         write = 1;
 140                 }
 141
 142                 switch (sub_command) {
 143                 case CLOS_PQR_ASSOC:
 144                         core_id = parameter & 0xff;
 145                         ret = isst_send_mmio_command(
 146                                 cpu, PQR_ASSOC_OFFSET + core_id * 4, write,
 147                                 &value);
 148                         if (!ret && !write)
 149                                 *resp = value;
 150                         break;
 151                 case CLOS_PM_CLOS:
 152                         clos_id = parameter & 0x03;
 153                         ret = isst_send_mmio_command(
 154                                 cpu, PM_CLOS_OFFSET + clos_id * 4, write,
 155                                 &value);
 156                         if (!ret && !write)
 157                                 *resp = value;
 158                         break;
 159                 case CLOS_STATUS:
 160                         break;
 161                 default:
 162                         break;
 163                 }
 164                 return ret;
 165         }
 166
 167         mbox_cmds.cmd_count = 1;
 168         mbox_cmds.mbox_cmd[0].logical_cpu = cpu;
 169         mbox_cmds.mbox_cmd[0].command = command;
 170         mbox_cmds.mbox_cmd[0].sub_command = sub_command;
 171         mbox_cmds.mbox_cmd[0].parameter = parameter;
 172         mbox_cmds.mbox_cmd[0].req_data = req_data;
 173
 174         if (mbox_delay)
 175                 usleep(mbox_delay * 1000);
 176
 177         fd = open(pathname, O_RDWR);
 178         if (fd < 0)
 179                 err(-1, "%s open failed", pathname);
 180
 181         retry = mbox_retries;
 182
 183         do {
 184                 if (ioctl(fd, ISST_IF_MBOX_COMMAND, &mbox_cmds) == -1) {
 185                         if (errno == ENOTTY) {
 186                                 perror("ISST_IF_MBOX_COMMAND\n");
 187                                 fprintf(stderr, "Check presence of kernel modules: isst_if_mbox_pci or isst_if_mbox_msr\n");
 188                                 exit(0);
 189                         }
 190                         debug_printf(
 191                                 "Error: mbox_cmd cpu:%d command:%x sub_command:%x parameter:%x req_data:%x errorno:%d\n",
 192                                 cpu, command, sub_command, parameter, req_data, errno);
 193                         --retry;
 194                 } else {
 195                         *resp = mbox_cmds.mbox_cmd[0].resp_data;
 196                         debug_printf(
 197                                 "mbox_cmd response: cpu:%d command:%x sub_command:%x parameter:%x req_data:%x resp:%x\n",
 198                                 cpu, command, sub_command, parameter, req_data, *resp);
 199                         break;
 200                 }
 201         } while (retry);
 202
 203         close(fd);
 204
 205         if (!retry) {
 206                 debug_printf("Failed mbox command even after retries\n");
 207                 return -1;
 208
 209         }
 210         return 0;
 211 }
 212
 213 int isst_send_msr_command(unsigned int cpu, unsigned int msr, int write,
 214                           unsigned long long *req_resp)
 215 {
 216         struct isst_if_msr_cmds msr_cmds;
 217         const char *pathname = "/dev/isst_interface";
 218         FILE *outf = get_output_file();
 219         int fd;
 220
 221         fd = open(pathname, O_RDWR);
 222         if (fd < 0)
 223                 err(-1, "%s open failed", pathname);
 224
 225         msr_cmds.cmd_count = 1;
 226         msr_cmds.msr_cmd[0].logical_cpu = cpu;
 227         msr_cmds.msr_cmd[0].msr = msr;
 228         msr_cmds.msr_cmd[0].read_write = write;
 229         if (write)
 230                 msr_cmds.msr_cmd[0].data = *req_resp;
 231
 232         if (ioctl(fd, ISST_IF_MSR_COMMAND, &msr_cmds) == -1) {
 233                 perror("ISST_IF_MSR_COMMAND");
 234                 fprintf(outf, "Error: msr_cmd cpu:%d msr:%x read_write:%d\n",
 235                         cpu, msr, write);
 236         } else {
 237                 if (!write)
 238                         *req_resp = msr_cmds.msr_cmd[0].data;
 239
 240                 debug_printf(
 241                         "msr_cmd response: cpu:%d msr:%x rd_write:%x resp:%llx %llx\n",
 242                         cpu, msr, write, *req_resp, msr_cmds.msr_cmd[0].data);
 243         }
 244
 245         close(fd);
 246
 247         return 0;
 248 }
 249
 250 int isst_write_pm_config(struct isst_id *id, int cp_state)
 251 {
 252         unsigned int req, resp;
 253         int ret;
 254
 255         if (cp_state)
 256                 req = BIT(16);
 257         else
 258                 req = 0;
 259
 260         ret = isst_send_mbox_command(id->cpu, WRITE_PM_CONFIG, PM_FEATURE, 0, req,
 261                                      &resp);
 262         if (ret)
 263                 return ret;
 264
 265         debug_printf("cpu:%d WRITE_PM_CONFIG resp:%x\n", id->cpu, resp);
 266
 267         return 0;
 268 }
 269
 270 int isst_read_pm_config(struct isst_id *id, int *cp_state, int *cp_cap)
 271 {
 272         unsigned int resp;
 273         int ret;
 274
 275         ret = isst_send_mbox_command(id->cpu, READ_PM_CONFIG, PM_FEATURE, 0, 0,
 276                                      &resp);
 277         if (ret)
 278                 return ret;
 279
 280         debug_printf("cpu:%d READ_PM_CONFIG resp:%x\n", id->cpu, resp);
 281
 282         *cp_state = resp & BIT(16);
 283         *cp_cap = resp & BIT(0) ? 1 : 0;
 284
 285         return 0;
 286 }
 287
 288 int isst_get_ctdp_levels(struct isst_id *id, struct isst_pkg_ctdp *pkg_dev)
 289 {
 290         CHECK_CB(get_config_levels);
 291         return isst_ops->get_config_levels(id, pkg_dev);
 292 }
 293
 294 int isst_get_ctdp_control(struct isst_id *id, int config_index,
 295                           struct isst_pkg_ctdp_level_info *ctdp_level)
 296 {
 297         CHECK_CB(get_ctdp_control);
 298         return isst_ops->get_ctdp_control(id, config_index, ctdp_level);
 299 }
 300
 301 int isst_get_tdp_info(struct isst_id *id, int config_index,
 302                       struct isst_pkg_ctdp_level_info *ctdp_level)
 303 {
 304         CHECK_CB(get_tdp_info);
 305         return isst_ops->get_tdp_info(id, config_index, ctdp_level);
 306 }
 307
 308 int isst_get_pwr_info(struct isst_id *id, int config_index,
 309                       struct isst_pkg_ctdp_level_info *ctdp_level)
 310 {
 311         CHECK_CB(get_pwr_info);
 312         return isst_ops->get_pwr_info(id, config_index, ctdp_level);
 313 }
 314
 315 int isst_get_coremask_info(struct isst_id *id, int config_index,
 316                            struct isst_pkg_ctdp_level_info *ctdp_level)
 317 {
 318         CHECK_CB(get_coremask_info);
 319         return isst_ops->get_coremask_info(id, config_index, ctdp_level);
 320 }
 321
 322 int isst_get_get_trl_from_msr(struct isst_id *id, int *trl)
 323 {
 324         unsigned long long msr_trl;
 325         int ret;
 326
 327         ret = isst_send_msr_command(id->cpu, 0x1AD, 0, &msr_trl);
 328         if (ret)
 329                 return ret;
 330
 331         trl[0] = msr_trl & GENMASK(7, 0);
 332         trl[1] = (msr_trl & GENMASK(15, 8)) >> 8;
 333         trl[2] = (msr_trl & GENMASK(23, 16)) >> 16;
 334         trl[3] = (msr_trl & GENMASK(31, 24)) >> 24;
 335         trl[4] = (msr_trl & GENMASK(39, 32)) >> 32;
 336         trl[5] = (msr_trl & GENMASK(47, 40)) >> 40;
 337         trl[6] = (msr_trl & GENMASK(55, 48)) >> 48;
 338         trl[7] = (msr_trl & GENMASK(63, 56)) >> 56;
 339
 340         return 0;
 341 }
 342
 343 int isst_get_get_trl(struct isst_id *id, int level, int avx_level, int *trl)
 344 {
 345         CHECK_CB(get_get_trl);
 346         return isst_ops->get_get_trl(id, level, avx_level, trl);
 347 }
 348
 349 int isst_get_get_trls(struct isst_id *id, int level, struct isst_pkg_ctdp_level_info *ctdp_level)
 350 {
 351         CHECK_CB(get_get_trls);
 352         return isst_ops->get_get_trls(id, level, ctdp_level);
 353 }
 354
 355 int isst_get_trl_bucket_info(struct isst_id *id, int level, unsigned long long *buckets_info)
 356 {
 357         CHECK_CB(get_trl_bucket_info);
 358         return isst_ops->get_trl_bucket_info(id, level, buckets_info);
 359 }
 360
 361 int isst_set_tdp_level(struct isst_id *id, int tdp_level)
 362 {
 363         CHECK_CB(set_tdp_level);
 364         return isst_ops->set_tdp_level(id, tdp_level);
 365 }
 366
 367 int isst_get_pbf_info(struct isst_id *id, int level, struct isst_pbf_info *pbf_info)
 368 {
 369         struct isst_pkg_ctdp_level_info ctdp_level;
 370         struct isst_pkg_ctdp pkg_dev;
 371         int ret;
 372
 373         ret = isst_get_ctdp_levels(id, &pkg_dev);
 374         if (ret) {
 375                 isst_display_error_info_message(1, "Failed to get number of levels", 0, 0);
 376                 return ret;
 377         }
 378
 379         if (level > pkg_dev.levels) {
 380                 isst_display_error_info_message(1, "Invalid level", 1, level);
 381                 return -1;
 382         }
 383
 384         ret = isst_get_ctdp_control(id, level, &ctdp_level);
 385         if (ret)
 386                 return ret;
 387
 388         if (!ctdp_level.pbf_support) {
 389                 isst_display_error_info_message(1, "base-freq feature is not present at this level", 1, level);
 390                 return -1;
 391         }
 392
 393         pbf_info->core_cpumask_size = alloc_cpu_set(&pbf_info->core_cpumask);
 394
 395         CHECK_CB(get_pbf_info);
 396         return isst_ops->get_pbf_info(id, level, pbf_info);
 397 }
 398
 399 int isst_set_pbf_fact_status(struct isst_id *id, int pbf, int enable)
 400 {
 401         CHECK_CB(set_pbf_fact_status);
 402         return isst_ops->set_pbf_fact_status(id, pbf, enable);
 403 }
 404
 405
 406
 407 int isst_get_fact_info(struct isst_id *id, int level, int fact_bucket, struct isst_fact_info *fact_info)
 408 {
 409         struct isst_pkg_ctdp_level_info ctdp_level;
 410         struct isst_pkg_ctdp pkg_dev;
 411         int ret;
 412
 413         ret = isst_get_ctdp_levels(id, &pkg_dev);
 414         if (ret) {
 415                 isst_display_error_info_message(1, "Failed to get number of levels", 0, 0);
 416                 return ret;
 417         }
 418
 419         if (level > pkg_dev.levels) {
 420                 isst_display_error_info_message(1, "Invalid level", 1, level);
 421                 return -1;
 422         }
 423
 424         ret = isst_get_ctdp_control(id, level, &ctdp_level);
 425         if (ret)
 426                 return ret;
 427
 428         if (!ctdp_level.fact_support) {
 429                 isst_display_error_info_message(1, "turbo-freq feature is not present at this level", 1, level);
 430                 return -1;
 431         }
 432         CHECK_CB(get_fact_info);
 433         return isst_ops->get_fact_info(id, level, fact_bucket, fact_info);
 434 }
 435
 436 int isst_get_trl(struct isst_id *id, unsigned long long *trl)
 437 {
 438         int ret;
 439
 440         ret = isst_send_msr_command(id->cpu, 0x1AD, 0, trl);
 441         if (ret)
 442                 return ret;
 443
 444         return 0;
 445 }
 446
 447 int isst_set_trl(struct isst_id *id, unsigned long long trl)
 448 {
 449         int ret;
 450
 451         if (!trl)
 452                 trl = 0xFFFFFFFFFFFFFFFFULL;
 453
 454         ret = isst_send_msr_command(id->cpu, 0x1AD, 1, &trl);
 455         if (ret)
 456                 return ret;
 457
 458         return 0;
 459 }
 460
 461 int isst_set_trl_from_current_tdp(struct isst_id *id, unsigned long long trl)
 462 {
 463         unsigned long long msr_trl;
 464         int ret;
 465
 466         if (trl) {
 467                 msr_trl = trl;
 468         } else {
 469                 struct isst_pkg_ctdp pkg_dev;
 470                 int trl[8];
 471                 int i;
 472
 473                 ret = isst_get_ctdp_levels(id, &pkg_dev);
 474                 if (ret)
 475                         return ret;
 476
 477                 ret = isst_get_get_trl(id, pkg_dev.current_level, 0, trl);
 478                 if (ret)
 479                         return ret;
 480
 481                 msr_trl = 0;
 482                 for (i = 0; i < 8; ++i) {
 483                         unsigned long long _trl = trl[i];
 484
 485                         msr_trl |= (_trl << (i * 8));
 486                 }
 487         }
 488         ret = isst_send_msr_command(id->cpu, 0x1AD, 1, &msr_trl);
 489         if (ret)
 490                 return ret;
 491
 492         return 0;
 493 }
 494
 495 /* Return 1 if locked */
 496 int isst_get_config_tdp_lock_status(struct isst_id *id)
 497 {
 498         unsigned long long tdp_control = 0;
 499         int ret;
 500
 501         ret = isst_send_msr_command(id->cpu, 0x64b, 0, &tdp_control);
 502         if (ret)
 503                 return ret;
 504
 505         ret = !!(tdp_control & BIT(31));
 506
 507         return ret;
 508 }
 509
 510 void isst_get_process_ctdp_complete(struct isst_id *id, struct isst_pkg_ctdp *pkg_dev)
 511 {
 512         int i;
 513
 514         if (!pkg_dev->processed)
 515                 return;
 516
 517         for (i = 0; i < pkg_dev->levels; ++i) {
 518                 struct isst_pkg_ctdp_level_info *ctdp_level;
 519
 520                 ctdp_level = &pkg_dev->ctdp_level[i];
 521                 if (ctdp_level->pbf_support)
 522                         free_cpu_set(ctdp_level->pbf_info.core_cpumask);
 523                 free_cpu_set(ctdp_level->core_cpumask);
 524         }
 525 }
 526
 527 void isst_get_uncore_p0_p1_info(struct isst_id *id, int config_index,
 528                                 struct isst_pkg_ctdp_level_info *ctdp_level)
 529 {
 530         CHECK_CB(get_uncore_p0_p1_info);
 531         return isst_ops->get_uncore_p0_p1_info(id, config_index, ctdp_level);
 532 }
 533
 534 int isst_get_process_ctdp(struct isst_id *id, int tdp_level, struct isst_pkg_ctdp *pkg_dev)
 535 {
 536         int i, ret, valid = 0;
 537
 538         if (pkg_dev->processed)
 539                 return 0;
 540
 541         ret = isst_get_ctdp_levels(id, pkg_dev);
 542         if (ret)
 543                 return ret;
 544
 545         debug_printf("cpu: %d ctdp enable:%d current level: %d levels:%d\n",
 546                      id->cpu, pkg_dev->enabled, pkg_dev->current_level,
 547                      pkg_dev->levels);
 548
 549         if (tdp_level != 0xff && tdp_level > pkg_dev->levels) {
 550                 isst_display_error_info_message(1, "Invalid level", 0, 0);
 551                 return -1;
 552         }
 553
 554         if (!pkg_dev->enabled)
 555                 isst_display_error_info_message(0, "perf-profile feature is not supported, just base-config level 0 is valid", 0, 0);
 556
 557         for (i = 0; i <= pkg_dev->levels; ++i) {
 558                 struct isst_pkg_ctdp_level_info *ctdp_level;
 559
 560                 if (tdp_level != 0xff && i != tdp_level)
 561                         continue;
 562
 563                 debug_printf("cpu:%d Get Information for TDP level:%d\n", id->cpu,
 564                              i);
 565                 ctdp_level = &pkg_dev->ctdp_level[i];
 566
 567                 ctdp_level->level = i;
 568                 ctdp_level->control_cpu = id->cpu;
 569                 ctdp_level->pkg_id = id->pkg;
 570                 ctdp_level->die_id = id->die;
 571
 572                 ret = isst_get_ctdp_control(id, i, ctdp_level);
 573                 if (ret)
 574                         continue;
 575
 576                 valid = 1;
 577                 pkg_dev->processed = 1;
 578                 ctdp_level->processed = 1;
 579
 580                 if (ctdp_level->pbf_support) {
 581                         ret = isst_get_pbf_info(id, i, &ctdp_level->pbf_info);
 582                         if (!ret)
 583                                 ctdp_level->pbf_found = 1;
 584                 }
 585
 586                 if (ctdp_level->fact_support) {
 587                         ret = isst_get_fact_info(id, i, 0xff,
 588                                                  &ctdp_level->fact_info);
 589                         if (ret)
 590                                 return ret;
 591                 }
 592
 593                 if (!pkg_dev->enabled && is_skx_based_platform()) {
 594                         int freq;
 595
 596                         freq = get_cpufreq_base_freq(id->cpu);
 597                         if (freq > 0) {
 598                                 ctdp_level->sse_p1 = freq / 100000;
 599                                 ctdp_level->tdp_ratio = ctdp_level->sse_p1;
 600                         }
 601
 602                         isst_get_get_trl_from_msr(id, ctdp_level->trl_ratios[0]);
 603                         isst_get_trl_bucket_info(id, i, &ctdp_level->trl_cores);
 604                         continue;
 605                 }
 606
 607                 ret = isst_get_tdp_info(id, i, ctdp_level);
 608                 if (ret)
 609                         return ret;
 610
 611                 ret = isst_get_pwr_info(id, i, ctdp_level);
 612                 if (ret)
 613                         return ret;
 614
 615                 ctdp_level->core_cpumask_size =
 616                         alloc_cpu_set(&ctdp_level->core_cpumask);
 617                 ret = isst_get_coremask_info(id, i, ctdp_level);
 618                 if (ret)
 619                         return ret;
 620
 621                 ret = isst_get_trl_bucket_info(id, i, &ctdp_level->trl_cores);
 622                 if (ret)
 623                         return ret;
 624
 625                 ret = isst_get_get_trls(id, i, ctdp_level);
 626                 if (ret)
 627                         return ret;
 628         }
 629
 630         if (!valid)
 631                 isst_display_error_info_message(0, "Invalid level, Can't get TDP control information at specified levels on cpu", 1, id->cpu);
 632
 633         return 0;
 634 }
 635
 636 int isst_clos_get_clos_information(struct isst_id *id, int *enable, int *type)
 637 {
 638         CHECK_CB(get_clos_information);
 639         return isst_ops->get_clos_information(id, enable, type);
 640 }
 641
 642 int isst_pm_qos_config(struct isst_id *id, int enable_clos, int priority_type)
 643 {
 644         unsigned int req, resp;
 645         int ret;
 646
 647         if (!enable_clos) {
 648                 struct isst_pkg_ctdp pkg_dev;
 649                 struct isst_pkg_ctdp_level_info ctdp_level;
 650
 651                 ret = isst_get_ctdp_levels(id, &pkg_dev);
 652                 if (ret) {
 653                         debug_printf("isst_get_ctdp_levels\n");
 654                         return ret;
 655                 }
 656
 657                 ret = isst_get_ctdp_control(id, pkg_dev.current_level,
 658                                             &ctdp_level);
 659                 if (ret)
 660                         return ret;
 661
 662                 if (ctdp_level.fact_enabled) {
 663                         isst_display_error_info_message(1, "Ignoring request, turbo-freq feature is still enabled", 0, 0);
 664                         return -EINVAL;
 665                 }
 666                 ret = isst_write_pm_config(id, 0);
 667                 if (ret)
 668                         isst_display_error_info_message(0, "WRITE_PM_CONFIG command failed, ignoring error", 0, 0);
 669         } else {
 670                 ret = isst_write_pm_config(id, 1);
 671                 if (ret)
 672                         isst_display_error_info_message(0, "WRITE_PM_CONFIG command failed, ignoring error", 0, 0);
 673         }
 674
 675         ret = isst_send_mbox_command(id->cpu, CONFIG_CLOS, CLOS_PM_QOS_CONFIG, 0, 0,
 676                                      &resp);
 677         if (ret) {
 678                 isst_display_error_info_message(1, "CLOS_PM_QOS_CONFIG command failed", 0, 0);
 679                 return ret;
 680         }
 681
 682         debug_printf("cpu:%d CLOS_PM_QOS_CONFIG resp:%x\n", id->cpu, resp);
 683
 684         req = resp;
 685
 686         if (enable_clos)
 687                 req = req | BIT(1);
 688         else
 689                 req = req & ~BIT(1);
 690
 691         if (priority_type > 1)
 692                 isst_display_error_info_message(1, "Invalid priority type: Changing type to ordered", 0, 0);
 693
 694         if (priority_type)
 695                 req = req | BIT(2);
 696         else
 697                 req = req & ~BIT(2);
 698
 699         ret = isst_send_mbox_command(id->cpu, CONFIG_CLOS, CLOS_PM_QOS_CONFIG,
 700                                      BIT(MBOX_CMD_WRITE_BIT), req, &resp);
 701         if (ret)
 702                 return ret;
 703
 704         debug_printf("cpu:%d CLOS_PM_QOS_CONFIG priority type:%d req:%x\n", id->cpu,
 705                      priority_type, req);
 706
 707         return 0;
 708 }
 709
 710 int isst_pm_get_clos(struct isst_id *id, int clos, struct isst_clos_config *clos_config)
 711 {
 712         unsigned int resp;
 713         int ret;
 714
 715         ret = isst_send_mbox_command(id->cpu, CONFIG_CLOS, CLOS_PM_CLOS, clos, 0,
 716                                      &resp);
 717         if (ret)
 718                 return ret;
 719
 720         clos_config->epp = resp & 0x0f;
 721         clos_config->clos_prop_prio = (resp >> 4) & 0x0f;
 722         clos_config->clos_min = (resp >> 8) & 0xff;
 723         clos_config->clos_max = (resp >> 16) & 0xff;
 724         clos_config->clos_desired = (resp >> 24) & 0xff;
 725
 726         return 0;
 727 }
 728
 729 int isst_set_clos(struct isst_id *id, int clos, struct isst_clos_config *clos_config)
 730 {
 731         unsigned int req, resp;
 732         unsigned int param;
 733         int ret;
 734
 735         req = clos_config->epp & 0x0f;
 736         req |= (clos_config->clos_prop_prio & 0x0f) << 4;
 737         req |= (clos_config->clos_min & 0xff) << 8;
 738         req |= (clos_config->clos_max & 0xff) << 16;
 739         req |= (clos_config->clos_desired & 0xff) << 24;
 740
 741         param = BIT(MBOX_CMD_WRITE_BIT) | clos;
 742
 743         ret = isst_send_mbox_command(id->cpu, CONFIG_CLOS, CLOS_PM_CLOS, param, req,
 744                                      &resp);
 745         if (ret)
 746                 return ret;
 747
 748         debug_printf("cpu:%d CLOS_PM_CLOS param:%x req:%x\n", id->cpu, param, req);
 749
 750         return 0;
 751 }
 752
 753 int isst_clos_get_assoc_status(struct isst_id *id, int *clos_id)
 754 {
 755         unsigned int resp;
 756         unsigned int param;
 757         int core_id, ret;
 758
 759         core_id = find_phy_core_num(id->cpu);
 760         param = core_id;
 761
 762         ret = isst_send_mbox_command(id->cpu, CONFIG_CLOS, CLOS_PQR_ASSOC, param, 0,
 763                                      &resp);
 764         if (ret)
 765                 return ret;
 766
 767         debug_printf("cpu:%d CLOS_PQR_ASSOC param:%x resp:%x\n", id->cpu, param,
 768                      resp);
 769         *clos_id = (resp >> 16) & 0x03;
 770
 771         return 0;
 772 }
 773
 774 int isst_clos_associate(struct isst_id *id, int clos_id)
 775 {
 776         unsigned int req, resp;
 777         unsigned int param;
 778         int core_id, ret;
 779
 780         req = (clos_id & 0x03) << 16;
 781         core_id = find_phy_core_num(id->cpu);
 782         param = BIT(MBOX_CMD_WRITE_BIT) | core_id;
 783
 784         ret = isst_send_mbox_command(id->cpu, CONFIG_CLOS, CLOS_PQR_ASSOC, param,
 785                                      req, &resp);
 786         if (ret)
 787                 return ret;
 788
 789         debug_printf("cpu:%d CLOS_PQR_ASSOC param:%x req:%x\n", id->cpu, param,
 790                      req);
 791
 792         return 0;
 793 }