Book a Demo!
CoCalc Logo Icon
StoreFeaturesDocsShareSupportNewsAboutPoliciesSign UpSign In
torvalds
GitHub Repository: torvalds/linux
Path: blob/master/tools/power/x86/intel-speed-select/isst-core-tpmi.c
26289 views
1
// SPDX-License-Identifier: GPL-2.0
2
/*
3
* Intel Speed Select -- Enumerate and control features for TPMI Interface
4
* Copyright (c) 2022 Intel Corporation.
5
*/
6
7
#include <linux/isst_if.h>
8
#include "isst.h"
9
10
int tpmi_process_ioctl(int ioctl_no, void *info)
11
{
12
const char *pathname = "/dev/isst_interface";
13
int fd;
14
15
if (is_debug_enabled()) {
16
debug_printf("Issue IOCTL: ");
17
switch (ioctl_no) {
18
case ISST_IF_CORE_POWER_STATE:
19
debug_printf("ISST_IF_CORE_POWER_STATE\n");
20
break;
21
case ISST_IF_CLOS_PARAM:
22
debug_printf("ISST_IF_CLOS_PARAM\n");
23
break;
24
case ISST_IF_CLOS_ASSOC:
25
debug_printf("ISST_IF_CLOS_ASSOC\n");
26
break;
27
case ISST_IF_PERF_LEVELS:
28
debug_printf("ISST_IF_PERF_LEVELS\n");
29
break;
30
case ISST_IF_PERF_SET_LEVEL:
31
debug_printf("ISST_IF_PERF_SET_LEVEL\n");
32
break;
33
case ISST_IF_PERF_SET_FEATURE:
34
debug_printf("ISST_IF_PERF_SET_FEATURE\n");
35
break;
36
case ISST_IF_GET_PERF_LEVEL_INFO:
37
debug_printf("ISST_IF_GET_PERF_LEVEL_INFO\n");
38
break;
39
case ISST_IF_GET_PERF_LEVEL_CPU_MASK:
40
debug_printf("ISST_IF_GET_PERF_LEVEL_CPU_MASK\n");
41
break;
42
case ISST_IF_GET_BASE_FREQ_INFO:
43
debug_printf("ISST_IF_GET_BASE_FREQ_INFO\n");
44
break;
45
case ISST_IF_GET_BASE_FREQ_CPU_MASK:
46
debug_printf("ISST_IF_GET_BASE_FREQ_CPU_MASK\n");
47
break;
48
case ISST_IF_GET_TURBO_FREQ_INFO:
49
debug_printf("ISST_IF_GET_TURBO_FREQ_INFO\n");
50
break;
51
case ISST_IF_COUNT_TPMI_INSTANCES:
52
debug_printf("ISST_IF_COUNT_TPMI_INSTANCES\n");
53
break;
54
default:
55
debug_printf("%d\n", ioctl_no);
56
break;
57
}
58
}
59
60
fd = open(pathname, O_RDWR);
61
if (fd < 0)
62
return -1;
63
64
if (ioctl(fd, ioctl_no, info) == -1) {
65
debug_printf("IOCTL %d Failed\n", ioctl_no);
66
close(fd);
67
return -1;
68
}
69
70
close(fd);
71
72
return 0;
73
}
74
75
static int tpmi_get_disp_freq_multiplier(void)
76
{
77
return 1;
78
}
79
80
static int tpmi_get_trl_max_levels(void)
81
{
82
return TRL_MAX_LEVELS;
83
}
84
85
static char *tpmi_get_trl_level_name(int level)
86
{
87
switch (level) {
88
case 0:
89
return "level-0";
90
case 1:
91
return "level-1";
92
case 2:
93
return "level-2";
94
case 3:
95
return "level-3";
96
case 4:
97
return "level-4";
98
case 5:
99
return "level-5";
100
case 6:
101
return "level-6";
102
case 7:
103
return "level-7";
104
default:
105
return NULL;
106
}
107
}
108
109
110
static void tpmi_update_platform_param(enum isst_platform_param param, int value)
111
{
112
/* No params need to be updated for now */
113
}
114
115
static int tpmi_is_punit_valid(struct isst_id *id)
116
{
117
struct isst_tpmi_instance_count info;
118
int ret;
119
120
if (id->punit < 0)
121
return 0;
122
123
info.socket_id = id->pkg;
124
ret = tpmi_process_ioctl(ISST_IF_COUNT_TPMI_INSTANCES, &info);
125
if (ret == -1)
126
return 0;
127
128
if (info.valid_mask & BIT(id->punit))
129
return 1;
130
131
return 0;
132
}
133
134
static int tpmi_read_pm_config(struct isst_id *id, int *cp_state, int *cp_cap)
135
{
136
struct isst_core_power info;
137
int ret;
138
139
info.get_set = 0;
140
info.socket_id = id->pkg;
141
info.power_domain_id = id->punit;
142
ret = tpmi_process_ioctl(ISST_IF_CORE_POWER_STATE, &info);
143
if (ret == -1)
144
return ret;
145
146
*cp_state = info.enable;
147
*cp_cap = info.supported;
148
149
return 0;
150
}
151
152
int tpmi_get_config_levels(struct isst_id *id, struct isst_pkg_ctdp *pkg_dev)
153
{
154
struct isst_perf_level_info info;
155
int ret;
156
157
info.socket_id = id->pkg;
158
info.power_domain_id = id->punit;
159
160
ret = tpmi_process_ioctl(ISST_IF_PERF_LEVELS, &info);
161
if (ret == -1)
162
return ret;
163
164
pkg_dev->version = info.feature_rev;
165
pkg_dev->levels = info.max_level;
166
pkg_dev->locked = info.locked;
167
pkg_dev->current_level = info.current_level;
168
pkg_dev->locked = info.locked;
169
pkg_dev->enabled = info.enabled;
170
171
return 0;
172
}
173
174
static int tpmi_get_ctdp_control(struct isst_id *id, int config_index,
175
struct isst_pkg_ctdp_level_info *ctdp_level)
176
{
177
struct isst_core_power core_power_info;
178
struct isst_perf_level_info info;
179
int level_mask;
180
int ret;
181
182
info.socket_id = id->pkg;
183
info.power_domain_id = id->punit;
184
185
ret = tpmi_process_ioctl(ISST_IF_PERF_LEVELS, &info);
186
if (ret == -1)
187
return -1;
188
189
if (config_index != 0xff)
190
level_mask = 1 << config_index;
191
else
192
level_mask = config_index;
193
194
if (!(info.level_mask & level_mask))
195
return -1;
196
197
if (api_version() > 2) {
198
ctdp_level->fact_support = info.sst_tf_support & BIT(config_index);
199
ctdp_level->pbf_support = info.sst_bf_support & BIT(config_index);
200
} else {
201
ctdp_level->fact_support = info.sst_tf_support;
202
ctdp_level->pbf_support = info.sst_bf_support;
203
}
204
205
ctdp_level->fact_enabled = !!(info.feature_state & BIT(1));
206
ctdp_level->pbf_enabled = !!(info.feature_state & BIT(0));
207
208
core_power_info.get_set = 0;
209
core_power_info.socket_id = id->pkg;
210
core_power_info.power_domain_id = id->punit;
211
212
ret = tpmi_process_ioctl(ISST_IF_CORE_POWER_STATE, &core_power_info);
213
if (ret == -1)
214
return ret;
215
216
ctdp_level->sst_cp_support = core_power_info.supported;
217
ctdp_level->sst_cp_enabled = core_power_info.enable;
218
219
debug_printf
220
("cpu:%d CONFIG_TDP_GET_TDP_CONTROL fact_support:%d pbf_support: %d fact_enabled:%d pbf_enabled:%d\n",
221
id->cpu, ctdp_level->fact_support, ctdp_level->pbf_support,
222
ctdp_level->fact_enabled, ctdp_level->pbf_enabled);
223
224
return 0;
225
}
226
227
static int tpmi_get_tdp_info(struct isst_id *id, int config_index,
228
struct isst_pkg_ctdp_level_info *ctdp_level)
229
{
230
struct isst_perf_level_fabric_info fabric_info;
231
struct isst_perf_level_data_info info;
232
int ret;
233
234
info.socket_id = id->pkg;
235
info.power_domain_id = id->punit;
236
info.level = config_index;
237
238
ret = tpmi_process_ioctl(ISST_IF_GET_PERF_LEVEL_INFO, &info);
239
if (ret == -1)
240
return ret;
241
242
ctdp_level->pkg_tdp = info.thermal_design_power_w;
243
ctdp_level->tdp_ratio = info.tdp_ratio;
244
ctdp_level->sse_p1 = info.base_freq_mhz;
245
ctdp_level->avx2_p1 = info.base_freq_avx2_mhz;
246
ctdp_level->avx512_p1 = info.base_freq_avx512_mhz;
247
ctdp_level->amx_p1 = info.base_freq_amx_mhz;
248
249
ctdp_level->t_proc_hot = info.tjunction_max_c;
250
ctdp_level->mem_freq = info.max_memory_freq_mhz;
251
ctdp_level->cooling_type = info.cooling_type;
252
253
ctdp_level->uncore_p0 = info.p0_fabric_freq_mhz;
254
ctdp_level->uncore_p1 = info.p1_fabric_freq_mhz;
255
ctdp_level->uncore_pm = info.pm_fabric_freq_mhz;
256
257
fabric_info.socket_id = id->pkg;
258
fabric_info.power_domain_id = id->punit;
259
fabric_info.level = config_index;
260
261
ret = tpmi_process_ioctl(ISST_IF_GET_PERF_LEVEL_FABRIC_INFO, &fabric_info);
262
if (ret != -1) {
263
ctdp_level->uncore1_p0 = fabric_info.p0_fabric_freq_mhz[1];
264
ctdp_level->uncore1_p1 = fabric_info.p1_fabric_freq_mhz[1];
265
ctdp_level->uncore1_pm = fabric_info.pm_fabric_freq_mhz[1];
266
}
267
268
debug_printf
269
("cpu:%d ctdp:%d CONFIG_TDP_GET_TDP_INFO tdp_ratio:%d pkg_tdp:%d ctdp_level->t_proc_hot:%d\n",
270
id->cpu, config_index, ctdp_level->tdp_ratio, ctdp_level->pkg_tdp,
271
ctdp_level->t_proc_hot);
272
273
return 0;
274
}
275
276
static int tpmi_get_pwr_info(struct isst_id *id, int config_index,
277
struct isst_pkg_ctdp_level_info *ctdp_level)
278
{
279
/* TBD */
280
ctdp_level->pkg_max_power = 0;
281
ctdp_level->pkg_min_power = 0;
282
283
debug_printf
284
("cpu:%d ctdp:%d CONFIG_TDP_GET_PWR_INFO pkg_max_power:%d pkg_min_power:%d\n",
285
id->cpu, config_index, ctdp_level->pkg_max_power,
286
ctdp_level->pkg_min_power);
287
288
return 0;
289
}
290
291
int tpmi_get_coremask_info(struct isst_id *id, int config_index,
292
struct isst_pkg_ctdp_level_info *ctdp_level)
293
{
294
struct isst_perf_level_cpu_mask info;
295
int ret, cpu_count;
296
297
info.socket_id = id->pkg;
298
info.power_domain_id = id->punit;
299
info.level = config_index;
300
info.punit_cpu_map = 1;
301
302
ret = tpmi_process_ioctl(ISST_IF_GET_PERF_LEVEL_CPU_MASK, &info);
303
if (ret == -1)
304
return ret;
305
306
set_cpu_mask_from_punit_coremask(id, info.mask,
307
ctdp_level->core_cpumask_size,
308
ctdp_level->core_cpumask, &cpu_count);
309
ctdp_level->cpu_count = cpu_count;
310
311
debug_printf("cpu:%d ctdp:%d core_mask ino cpu count:%d\n",
312
id->cpu, config_index, ctdp_level->cpu_count);
313
314
return 0;
315
}
316
317
static int tpmi_get_get_trls(struct isst_id *id, int config_index,
318
struct isst_pkg_ctdp_level_info *ctdp_level)
319
{
320
struct isst_perf_level_data_info info;
321
int ret, i, j;
322
323
info.socket_id = id->pkg;
324
info.power_domain_id = id->punit;
325
info.level = config_index;
326
327
ret = tpmi_process_ioctl(ISST_IF_GET_PERF_LEVEL_INFO, &info);
328
if (ret == -1)
329
return ret;
330
331
if (info.max_buckets > TRL_MAX_BUCKETS)
332
info.max_buckets = TRL_MAX_BUCKETS;
333
334
if (info.max_trl_levels > TRL_MAX_LEVELS)
335
info.max_trl_levels = TRL_MAX_LEVELS;
336
337
for (i = 0; i < info.max_trl_levels; ++i)
338
for (j = 0; j < info.max_buckets; ++j)
339
ctdp_level->trl_ratios[i][j] = info.trl_freq_mhz[i][j];
340
341
return 0;
342
}
343
344
static int tpmi_get_get_trl(struct isst_id *id, int config_index, int level,
345
int *trl)
346
{
347
struct isst_pkg_ctdp_level_info ctdp_level;
348
int ret, i;
349
350
ret = tpmi_get_get_trls(id, config_index, &ctdp_level);
351
if (ret)
352
return ret;
353
354
/* FIX ME: Just return for level 0 */
355
for (i = 0; i < 8; ++i)
356
trl[i] = ctdp_level.trl_ratios[0][i];
357
358
return 0;
359
}
360
361
static int tpmi_get_trl_bucket_info(struct isst_id *id, int config_index,
362
unsigned long long *buckets_info)
363
{
364
struct isst_perf_level_data_info info;
365
unsigned char *mask = (unsigned char *)buckets_info;
366
int ret, i;
367
368
info.socket_id = id->pkg;
369
info.power_domain_id = id->punit;
370
info.level = config_index;
371
372
ret = tpmi_process_ioctl(ISST_IF_GET_PERF_LEVEL_INFO, &info);
373
if (ret == -1)
374
return ret;
375
376
if (info.max_buckets > TRL_MAX_BUCKETS)
377
info.max_buckets = TRL_MAX_BUCKETS;
378
379
for (i = 0; i < info.max_buckets; ++i)
380
mask[i] = info.bucket_core_counts[i];
381
382
debug_printf("cpu:%d TRL bucket info: 0x%llx\n", id->cpu,
383
*buckets_info);
384
385
return 0;
386
}
387
388
static int tpmi_set_tdp_level(struct isst_id *id, int tdp_level)
389
{
390
struct isst_perf_level_control info;
391
int ret;
392
393
info.socket_id = id->pkg;
394
info.power_domain_id = id->punit;
395
info.level = tdp_level;
396
397
ret = tpmi_process_ioctl(ISST_IF_PERF_SET_LEVEL, &info);
398
if (ret == -1)
399
return ret;
400
401
return 0;
402
}
403
404
static int _pbf_get_coremask_info(struct isst_id *id, int config_index,
405
struct isst_pbf_info *pbf_info)
406
{
407
struct isst_perf_level_cpu_mask info;
408
int ret, cpu_count;
409
410
info.socket_id = id->pkg;
411
info.power_domain_id = id->punit;
412
info.level = config_index;
413
info.punit_cpu_map = 1;
414
415
ret = tpmi_process_ioctl(ISST_IF_GET_BASE_FREQ_CPU_MASK, &info);
416
if (ret == -1)
417
return ret;
418
419
set_cpu_mask_from_punit_coremask(id, info.mask,
420
pbf_info->core_cpumask_size,
421
pbf_info->core_cpumask, &cpu_count);
422
423
debug_printf("cpu:%d ctdp:%d pbf core_mask info cpu count:%d\n",
424
id->cpu, config_index, cpu_count);
425
426
return 0;
427
}
428
429
static int tpmi_get_pbf_info(struct isst_id *id, int level,
430
struct isst_pbf_info *pbf_info)
431
{
432
struct isst_base_freq_info info;
433
int ret;
434
435
info.socket_id = id->pkg;
436
info.power_domain_id = id->punit;
437
info.level = level;
438
439
ret = tpmi_process_ioctl(ISST_IF_GET_BASE_FREQ_INFO, &info);
440
if (ret == -1)
441
return ret;
442
443
pbf_info->p1_low = info.low_base_freq_mhz;
444
pbf_info->p1_high = info.high_base_freq_mhz;
445
pbf_info->tdp = info.thermal_design_power_w;
446
pbf_info->t_prochot = info.tjunction_max_c;
447
448
debug_printf("cpu:%d ctdp:%d pbf info:%d:%d:%d:%d\n",
449
id->cpu, level, pbf_info->p1_low, pbf_info->p1_high,
450
pbf_info->tdp, pbf_info->t_prochot);
451
452
return _pbf_get_coremask_info(id, level, pbf_info);
453
}
454
455
static int tpmi_set_pbf_fact_status(struct isst_id *id, int pbf, int enable)
456
{
457
struct isst_pkg_ctdp pkg_dev;
458
struct isst_pkg_ctdp_level_info ctdp_level;
459
int current_level;
460
struct isst_perf_feature_control info;
461
int ret;
462
463
ret = isst_get_ctdp_levels(id, &pkg_dev);
464
if (ret)
465
debug_printf("cpu:%d No support for dynamic ISST\n", id->cpu);
466
467
current_level = pkg_dev.current_level;
468
469
ret = isst_get_ctdp_control(id, current_level, &ctdp_level);
470
if (ret)
471
return ret;
472
473
info.socket_id = id->pkg;
474
info.power_domain_id = id->punit;
475
476
info.feature = 0;
477
478
if (pbf) {
479
if (ctdp_level.fact_enabled)
480
info.feature |= BIT(1);
481
482
if (enable)
483
info.feature |= BIT(0);
484
else
485
info.feature &= ~BIT(0);
486
} else {
487
488
if (enable && !ctdp_level.sst_cp_enabled)
489
isst_display_error_info_message(0,
490
"Make sure to execute before: core-power enable",
491
0, 0);
492
493
if (ctdp_level.pbf_enabled)
494
info.feature |= BIT(0);
495
496
if (enable)
497
info.feature |= BIT(1);
498
else
499
info.feature &= ~BIT(1);
500
}
501
502
ret = tpmi_process_ioctl(ISST_IF_PERF_SET_FEATURE, &info);
503
if (ret == -1)
504
return ret;
505
506
return 0;
507
}
508
509
static int tpmi_get_fact_info(struct isst_id *id, int level, int fact_bucket,
510
struct isst_fact_info *fact_info)
511
{
512
struct isst_turbo_freq_info info;
513
int i, j;
514
int ret;
515
516
info.socket_id = id->pkg;
517
info.power_domain_id = id->punit;
518
info.level = level;
519
520
ret = tpmi_process_ioctl(ISST_IF_GET_TURBO_FREQ_INFO, &info);
521
if (ret == -1)
522
return ret;
523
524
for (i = 0; i < info.max_clip_freqs; ++i)
525
fact_info->lp_ratios[i] = info.lp_clip_freq_mhz[i];
526
527
if (info.max_buckets > TRL_MAX_BUCKETS)
528
info.max_buckets = TRL_MAX_BUCKETS;
529
530
if (info.max_trl_levels > TRL_MAX_LEVELS)
531
info.max_trl_levels = TRL_MAX_LEVELS;
532
533
for (i = 0; i < info.max_trl_levels; ++i) {
534
for (j = 0; j < info.max_buckets; ++j)
535
fact_info->bucket_info[j].hp_ratios[i] =
536
info.trl_freq_mhz[i][j];
537
}
538
539
for (i = 0; i < info.max_buckets; ++i)
540
fact_info->bucket_info[i].hp_cores = info.bucket_core_counts[i];
541
542
return 0;
543
}
544
545
static void _set_uncore_min_max(struct isst_id *id, int max, int freq)
546
{
547
DIR *dir;
548
FILE *filep;
549
struct dirent *entry;
550
char buffer[512];
551
unsigned int tmp_id;
552
int ret;
553
554
dir = opendir("/sys/devices/system/cpu/intel_uncore_frequency/");
555
if (!dir)
556
return;
557
558
while ((entry = readdir(dir)) != NULL ) {
559
/* Check domain_id */
560
snprintf(buffer, sizeof(buffer),
561
"/sys/devices/system/cpu/intel_uncore_frequency/%s/domain_id", entry->d_name);
562
563
filep = fopen(buffer, "r");
564
if (!filep)
565
goto end;
566
567
ret = fscanf(filep, "%u", &tmp_id);
568
fclose(filep);
569
if (ret != 1)
570
goto end;
571
572
if (tmp_id != id->punit)
573
continue;
574
575
/* Check package_id */
576
snprintf(buffer, sizeof(buffer),
577
"/sys/devices/system/cpu/intel_uncore_frequency/%s/package_id", entry->d_name);
578
579
filep = fopen(buffer, "r");
580
if (!filep)
581
goto end;
582
583
ret = fscanf(filep, "%u", &tmp_id);
584
fclose(filep);
585
586
if (ret != 1)
587
goto end;
588
589
if (tmp_id != id->pkg)
590
continue;
591
592
/* Found the right sysfs path, adjust and quit */
593
if (max)
594
snprintf(buffer, sizeof(buffer),
595
"/sys/devices/system/cpu/intel_uncore_frequency/%s/max_freq_khz", entry->d_name);
596
else
597
snprintf(buffer, sizeof(buffer),
598
"/sys/devices/system/cpu/intel_uncore_frequency/%s/min_freq_khz", entry->d_name);
599
600
filep = fopen(buffer, "w");
601
if (!filep)
602
goto end;
603
604
fprintf(filep, "%d\n", freq);
605
fclose(filep);
606
break;
607
}
608
609
end:
610
closedir(dir);
611
}
612
613
static void tpmi_adjust_uncore_freq(struct isst_id *id, int config_index,
614
struct isst_pkg_ctdp_level_info *ctdp_level)
615
{
616
struct isst_perf_level_data_info info;
617
int ret;
618
619
info.socket_id = id->pkg;
620
info.power_domain_id = id->punit;
621
info.level = config_index;
622
623
ret = tpmi_process_ioctl(ISST_IF_GET_PERF_LEVEL_INFO, &info);
624
if (ret == -1)
625
return;
626
627
ctdp_level->uncore_p0 = info.p0_fabric_freq_mhz;
628
ctdp_level->uncore_p1 = info.p1_fabric_freq_mhz;
629
ctdp_level->uncore_pm = info.pm_fabric_freq_mhz;
630
631
if (ctdp_level->uncore_pm)
632
_set_uncore_min_max(id, 0, ctdp_level->uncore_pm * 100000);
633
634
if (ctdp_level->uncore_p0)
635
_set_uncore_min_max(id, 1, ctdp_level->uncore_p0 * 100000);
636
637
return;
638
}
639
640
static int tpmi_get_clos_information(struct isst_id *id, int *enable, int *type)
641
{
642
struct isst_core_power info;
643
int ret;
644
645
info.get_set = 0;
646
info.socket_id = id->pkg;
647
info.power_domain_id = id->punit;
648
ret = tpmi_process_ioctl(ISST_IF_CORE_POWER_STATE, &info);
649
if (ret == -1)
650
return ret;
651
652
*enable = info.enable;
653
*type = info.priority_type;
654
655
return 0;
656
}
657
658
static int tpmi_pm_qos_config(struct isst_id *id, int enable_clos,
659
int priority_type)
660
{
661
struct isst_core_power info;
662
int i, ret, saved_punit;
663
664
info.get_set = 1;
665
info.socket_id = id->pkg;
666
info.power_domain_id = id->punit;
667
info.enable = enable_clos;
668
info.priority_type = priority_type;
669
670
saved_punit = id->punit;
671
672
/* Set for all other dies also. This is per package setting */
673
for (i = 0; i < MAX_PUNIT_PER_DIE; i++) {
674
id->punit = i;
675
if (isst_is_punit_valid(id)) {
676
info.power_domain_id = i;
677
ret = tpmi_process_ioctl(ISST_IF_CORE_POWER_STATE, &info);
678
if (ret == -1) {
679
id->punit = saved_punit;
680
return ret;
681
}
682
}
683
}
684
685
id->punit = saved_punit;
686
687
return 0;
688
}
689
690
int tpmi_pm_get_clos(struct isst_id *id, int clos,
691
struct isst_clos_config *clos_config)
692
{
693
struct isst_clos_param info;
694
int ret;
695
696
info.get_set = 0;
697
info.socket_id = id->pkg;
698
info.power_domain_id = id->punit;
699
info.clos = clos;
700
701
ret = tpmi_process_ioctl(ISST_IF_CLOS_PARAM, &info);
702
if (ret == -1)
703
return ret;
704
705
clos_config->epp = 0;
706
clos_config->clos_prop_prio = info.prop_prio;
707
clos_config->clos_min = info.min_freq_mhz;
708
clos_config->clos_max = info.max_freq_mhz;
709
clos_config->clos_desired = 0;
710
711
debug_printf("cpu:%d clos:%d min:%d max:%d\n", id->cpu, clos,
712
clos_config->clos_min, clos_config->clos_max);
713
714
return 0;
715
}
716
717
int tpmi_set_clos(struct isst_id *id, int clos,
718
struct isst_clos_config *clos_config)
719
{
720
struct isst_clos_param info;
721
int i, ret, saved_punit;
722
723
info.get_set = 1;
724
info.socket_id = id->pkg;
725
info.power_domain_id = id->punit;
726
info.clos = clos;
727
info.prop_prio = clos_config->clos_prop_prio;
728
729
info.min_freq_mhz = clos_config->clos_min;
730
info.max_freq_mhz = clos_config->clos_max;
731
732
if (info.min_freq_mhz <= 0xff)
733
info.min_freq_mhz *= 100;
734
if (info.max_freq_mhz <= 0xff)
735
info.max_freq_mhz *= 100;
736
737
saved_punit = id->punit;
738
739
/* Set for all other dies also. This is per package setting */
740
for (i = 0; i < MAX_PUNIT_PER_DIE; i++) {
741
id->punit = i;
742
if (isst_is_punit_valid(id)) {
743
info.power_domain_id = i;
744
ret = tpmi_process_ioctl(ISST_IF_CLOS_PARAM, &info);
745
if (ret == -1) {
746
id->punit = saved_punit;
747
return ret;
748
}
749
}
750
}
751
752
id->punit = saved_punit;
753
754
debug_printf("set cpu:%d clos:%d min:%d max:%d\n", id->cpu, clos,
755
clos_config->clos_min, clos_config->clos_max);
756
757
return 0;
758
}
759
760
static int tpmi_clos_get_assoc_status(struct isst_id *id, int *clos_id)
761
{
762
struct isst_if_clos_assoc_cmds assoc_cmds;
763
int ret;
764
765
assoc_cmds.cmd_count = 1;
766
assoc_cmds.get_set = 0;
767
assoc_cmds.punit_cpu_map = 1;
768
assoc_cmds.assoc_info[0].logical_cpu = find_phy_core_num(id->cpu);
769
assoc_cmds.assoc_info[0].socket_id = id->pkg;
770
assoc_cmds.assoc_info[0].power_domain_id = id->punit;
771
772
ret = tpmi_process_ioctl(ISST_IF_CLOS_ASSOC, &assoc_cmds);
773
if (ret == -1)
774
return ret;
775
776
*clos_id = assoc_cmds.assoc_info[0].clos;
777
778
return 0;
779
}
780
781
static int tpmi_clos_associate(struct isst_id *id, int clos_id)
782
{
783
struct isst_if_clos_assoc_cmds assoc_cmds;
784
int ret;
785
786
assoc_cmds.cmd_count = 1;
787
assoc_cmds.get_set = 1;
788
assoc_cmds.punit_cpu_map = 1;
789
assoc_cmds.assoc_info[0].logical_cpu = find_phy_core_num(id->cpu);
790
assoc_cmds.assoc_info[0].clos = clos_id;
791
assoc_cmds.assoc_info[0].socket_id = id->pkg;
792
assoc_cmds.assoc_info[0].power_domain_id = id->punit;
793
794
ret = tpmi_process_ioctl(ISST_IF_CLOS_ASSOC, &assoc_cmds);
795
if (ret == -1)
796
return ret;
797
798
return 0;
799
}
800
801
static struct isst_platform_ops tpmi_ops = {
802
.get_disp_freq_multiplier = tpmi_get_disp_freq_multiplier,
803
.get_trl_max_levels = tpmi_get_trl_max_levels,
804
.get_trl_level_name = tpmi_get_trl_level_name,
805
.update_platform_param = tpmi_update_platform_param,
806
.is_punit_valid = tpmi_is_punit_valid,
807
.read_pm_config = tpmi_read_pm_config,
808
.get_config_levels = tpmi_get_config_levels,
809
.get_ctdp_control = tpmi_get_ctdp_control,
810
.get_tdp_info = tpmi_get_tdp_info,
811
.get_pwr_info = tpmi_get_pwr_info,
812
.get_coremask_info = tpmi_get_coremask_info,
813
.get_get_trl = tpmi_get_get_trl,
814
.get_get_trls = tpmi_get_get_trls,
815
.get_trl_bucket_info = tpmi_get_trl_bucket_info,
816
.set_tdp_level = tpmi_set_tdp_level,
817
.get_pbf_info = tpmi_get_pbf_info,
818
.set_pbf_fact_status = tpmi_set_pbf_fact_status,
819
.get_fact_info = tpmi_get_fact_info,
820
.adjust_uncore_freq = tpmi_adjust_uncore_freq,
821
.get_clos_information = tpmi_get_clos_information,
822
.pm_qos_config = tpmi_pm_qos_config,
823
.pm_get_clos = tpmi_pm_get_clos,
824
.set_clos = tpmi_set_clos,
825
.clos_get_assoc_status = tpmi_clos_get_assoc_status,
826
.clos_associate = tpmi_clos_associate,
827
};
828
829
struct isst_platform_ops *tpmi_get_platform_ops(void)
830
{
831
return &tpmi_ops;
832
}
833
834