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
isst_write_pm_config(int cpu,int cp_state)9 int isst_write_pm_config(int cpu, int cp_state)
10 {
11 unsigned int req, resp;
12 int ret;
13
14 if (cp_state)
15 req = BIT(16);
16 else
17 req = 0;
18
19 ret = isst_send_mbox_command(cpu, WRITE_PM_CONFIG, PM_FEATURE, 0, req,
20 &resp);
21 if (ret)
22 return ret;
23
24 debug_printf("cpu:%d WRITE_PM_CONFIG resp:%x\n", cpu, resp);
25
26 return 0;
27 }
28
isst_read_pm_config(int cpu,int * cp_state,int * cp_cap)29 int isst_read_pm_config(int cpu, int *cp_state, int *cp_cap)
30 {
31 unsigned int resp;
32 int ret;
33
34 ret = isst_send_mbox_command(cpu, READ_PM_CONFIG, PM_FEATURE, 0, 0,
35 &resp);
36 if (ret)
37 return ret;
38
39 debug_printf("cpu:%d READ_PM_CONFIG resp:%x\n", cpu, resp);
40
41 *cp_state = resp & BIT(16);
42 *cp_cap = resp & BIT(0) ? 1 : 0;
43
44 return 0;
45 }
46
isst_get_ctdp_levels(int cpu,struct isst_pkg_ctdp * pkg_dev)47 int isst_get_ctdp_levels(int cpu, struct isst_pkg_ctdp *pkg_dev)
48 {
49 unsigned int resp;
50 int ret;
51
52 ret = isst_send_mbox_command(cpu, CONFIG_TDP,
53 CONFIG_TDP_GET_LEVELS_INFO, 0, 0, &resp);
54 if (ret) {
55 pkg_dev->levels = 0;
56 pkg_dev->locked = 1;
57 pkg_dev->current_level = 0;
58 pkg_dev->version = 0;
59 pkg_dev->enabled = 0;
60 return 0;
61 }
62
63 debug_printf("cpu:%d CONFIG_TDP_GET_LEVELS_INFO resp:%x\n", cpu, resp);
64
65 pkg_dev->version = resp & 0xff;
66 pkg_dev->levels = (resp >> 8) & 0xff;
67 pkg_dev->current_level = (resp >> 16) & 0xff;
68 pkg_dev->locked = !!(resp & BIT(24));
69 pkg_dev->enabled = !!(resp & BIT(31));
70
71 return 0;
72 }
73
isst_get_ctdp_control(int cpu,int config_index,struct isst_pkg_ctdp_level_info * ctdp_level)74 int isst_get_ctdp_control(int cpu, int config_index,
75 struct isst_pkg_ctdp_level_info *ctdp_level)
76 {
77 int cp_state, cp_cap;
78 unsigned int resp;
79 int ret;
80
81 ret = isst_send_mbox_command(cpu, CONFIG_TDP,
82 CONFIG_TDP_GET_TDP_CONTROL, 0,
83 config_index, &resp);
84 if (ret)
85 return ret;
86
87 ctdp_level->fact_support = resp & BIT(0);
88 ctdp_level->pbf_support = !!(resp & BIT(1));
89 ctdp_level->fact_enabled = !!(resp & BIT(16));
90 ctdp_level->pbf_enabled = !!(resp & BIT(17));
91
92 ret = isst_read_pm_config(cpu, &cp_state, &cp_cap);
93 if (ret) {
94 debug_printf("cpu:%d pm_config is not supported \n", cpu);
95 } else {
96 debug_printf("cpu:%d pm_config SST-CP state:%d cap:%d \n", cpu, cp_state, cp_cap);
97 ctdp_level->sst_cp_support = cp_cap;
98 ctdp_level->sst_cp_enabled = cp_state;
99 }
100
101 debug_printf(
102 "cpu:%d CONFIG_TDP_GET_TDP_CONTROL resp:%x fact_support:%d pbf_support: %d fact_enabled:%d pbf_enabled:%d\n",
103 cpu, resp, ctdp_level->fact_support, ctdp_level->pbf_support,
104 ctdp_level->fact_enabled, ctdp_level->pbf_enabled);
105
106 return 0;
107 }
108
isst_get_tdp_info(int cpu,int config_index,struct isst_pkg_ctdp_level_info * ctdp_level)109 int isst_get_tdp_info(int cpu, int config_index,
110 struct isst_pkg_ctdp_level_info *ctdp_level)
111 {
112 unsigned int resp;
113 int ret;
114
115 ret = isst_send_mbox_command(cpu, CONFIG_TDP, CONFIG_TDP_GET_TDP_INFO,
116 0, config_index, &resp);
117 if (ret) {
118 isst_display_error_info_message(1, "Invalid level, Can't get TDP information at level", 1, config_index);
119 return ret;
120 }
121
122 ctdp_level->pkg_tdp = resp & GENMASK(14, 0);
123 ctdp_level->tdp_ratio = (resp & GENMASK(23, 16)) >> 16;
124
125 debug_printf(
126 "cpu:%d ctdp:%d CONFIG_TDP_GET_TDP_INFO resp:%x tdp_ratio:%d pkg_tdp:%d\n",
127 cpu, config_index, resp, ctdp_level->tdp_ratio,
128 ctdp_level->pkg_tdp);
129 return 0;
130 }
131
isst_get_pwr_info(int cpu,int config_index,struct isst_pkg_ctdp_level_info * ctdp_level)132 int isst_get_pwr_info(int cpu, int config_index,
133 struct isst_pkg_ctdp_level_info *ctdp_level)
134 {
135 unsigned int resp;
136 int ret;
137
138 ret = isst_send_mbox_command(cpu, CONFIG_TDP, CONFIG_TDP_GET_PWR_INFO,
139 0, config_index, &resp);
140 if (ret)
141 return ret;
142
143 ctdp_level->pkg_max_power = resp & GENMASK(14, 0);
144 ctdp_level->pkg_min_power = (resp & GENMASK(30, 16)) >> 16;
145
146 debug_printf(
147 "cpu:%d ctdp:%d CONFIG_TDP_GET_PWR_INFO resp:%x pkg_max_power:%d pkg_min_power:%d\n",
148 cpu, config_index, resp, ctdp_level->pkg_max_power,
149 ctdp_level->pkg_min_power);
150
151 return 0;
152 }
153
isst_get_uncore_p0_p1_info(int cpu,int config_index,struct isst_pkg_ctdp_level_info * ctdp_level)154 void isst_get_uncore_p0_p1_info(int cpu, int config_index,
155 struct isst_pkg_ctdp_level_info *ctdp_level)
156 {
157 unsigned int resp;
158 int ret;
159 ret = isst_send_mbox_command(cpu, CONFIG_TDP,
160 CONFIG_TDP_GET_UNCORE_P0_P1_INFO, 0,
161 config_index, &resp);
162 if (ret) {
163 ctdp_level->uncore_p0 = 0;
164 ctdp_level->uncore_p1 = 0;
165 return;
166 }
167
168 ctdp_level->uncore_p0 = resp & GENMASK(7, 0);
169 ctdp_level->uncore_p1 = (resp & GENMASK(15, 8)) >> 8;
170 debug_printf(
171 "cpu:%d ctdp:%d CONFIG_TDP_GET_UNCORE_P0_P1_INFO resp:%x uncore p0:%d uncore p1:%d\n",
172 cpu, config_index, resp, ctdp_level->uncore_p0,
173 ctdp_level->uncore_p1);
174 }
175
isst_get_p1_info(int cpu,int config_index,struct isst_pkg_ctdp_level_info * ctdp_level)176 void isst_get_p1_info(int cpu, int config_index,
177 struct isst_pkg_ctdp_level_info *ctdp_level)
178 {
179 unsigned int resp;
180 int ret;
181 ret = isst_send_mbox_command(cpu, CONFIG_TDP, CONFIG_TDP_GET_P1_INFO, 0,
182 config_index, &resp);
183 if (ret) {
184 ctdp_level->sse_p1 = 0;
185 ctdp_level->avx2_p1 = 0;
186 ctdp_level->avx512_p1 = 0;
187 return;
188 }
189
190 ctdp_level->sse_p1 = resp & GENMASK(7, 0);
191 ctdp_level->avx2_p1 = (resp & GENMASK(15, 8)) >> 8;
192 ctdp_level->avx512_p1 = (resp & GENMASK(23, 16)) >> 16;
193 debug_printf(
194 "cpu:%d ctdp:%d CONFIG_TDP_GET_P1_INFO resp:%x sse_p1:%d avx2_p1:%d avx512_p1:%d\n",
195 cpu, config_index, resp, ctdp_level->sse_p1,
196 ctdp_level->avx2_p1, ctdp_level->avx512_p1);
197 }
198
isst_get_uncore_mem_freq(int cpu,int config_index,struct isst_pkg_ctdp_level_info * ctdp_level)199 void isst_get_uncore_mem_freq(int cpu, int config_index,
200 struct isst_pkg_ctdp_level_info *ctdp_level)
201 {
202 unsigned int resp;
203 int ret;
204
205 ret = isst_send_mbox_command(cpu, CONFIG_TDP, CONFIG_TDP_GET_MEM_FREQ,
206 0, config_index, &resp);
207 if (ret) {
208 ctdp_level->mem_freq = 0;
209 return;
210 }
211
212 ctdp_level->mem_freq = resp & GENMASK(7, 0);
213 if (is_spr_platform()) {
214 ctdp_level->mem_freq *= 200;
215 } else if (is_icx_platform()) {
216 if (ctdp_level->mem_freq < 7) {
217 ctdp_level->mem_freq = (12 - ctdp_level->mem_freq) * 133.33 * 2 * 10;
218 ctdp_level->mem_freq /= 10;
219 if (ctdp_level->mem_freq % 10 > 5)
220 ctdp_level->mem_freq++;
221 } else {
222 ctdp_level->mem_freq = 0;
223 }
224 } else {
225 ctdp_level->mem_freq = 0;
226 }
227 debug_printf(
228 "cpu:%d ctdp:%d CONFIG_TDP_GET_MEM_FREQ resp:%x uncore mem_freq:%d\n",
229 cpu, config_index, resp, ctdp_level->mem_freq);
230 }
231
isst_get_tjmax_info(int cpu,int config_index,struct isst_pkg_ctdp_level_info * ctdp_level)232 int isst_get_tjmax_info(int cpu, int config_index,
233 struct isst_pkg_ctdp_level_info *ctdp_level)
234 {
235 unsigned int resp;
236 int ret;
237
238 ret = isst_send_mbox_command(cpu, CONFIG_TDP, CONFIG_TDP_GET_TJMAX_INFO,
239 0, config_index, &resp);
240 if (ret)
241 return ret;
242
243 ctdp_level->t_proc_hot = resp & GENMASK(7, 0);
244
245 debug_printf(
246 "cpu:%d ctdp:%d CONFIG_TDP_GET_TJMAX_INFO resp:%x t_proc_hot:%d\n",
247 cpu, config_index, resp, ctdp_level->t_proc_hot);
248
249 return 0;
250 }
251
isst_get_coremask_info(int cpu,int config_index,struct isst_pkg_ctdp_level_info * ctdp_level)252 int isst_get_coremask_info(int cpu, int config_index,
253 struct isst_pkg_ctdp_level_info *ctdp_level)
254 {
255 unsigned int resp;
256 int i, ret;
257
258 ctdp_level->cpu_count = 0;
259 for (i = 0; i < 2; ++i) {
260 unsigned long long mask;
261 int cpu_count = 0;
262
263 ret = isst_send_mbox_command(cpu, CONFIG_TDP,
264 CONFIG_TDP_GET_CORE_MASK, 0,
265 (i << 8) | config_index, &resp);
266 if (ret)
267 return ret;
268
269 debug_printf(
270 "cpu:%d ctdp:%d mask:%d CONFIG_TDP_GET_CORE_MASK resp:%x\n",
271 cpu, config_index, i, resp);
272
273 mask = (unsigned long long)resp << (32 * i);
274 set_cpu_mask_from_punit_coremask(cpu, mask,
275 ctdp_level->core_cpumask_size,
276 ctdp_level->core_cpumask,
277 &cpu_count);
278 ctdp_level->cpu_count += cpu_count;
279 debug_printf("cpu:%d ctdp:%d mask:%d cpu count:%d\n", cpu,
280 config_index, i, ctdp_level->cpu_count);
281 }
282
283 return 0;
284 }
285
isst_get_get_trl_from_msr(int cpu,int * trl)286 int isst_get_get_trl_from_msr(int cpu, int *trl)
287 {
288 unsigned long long msr_trl;
289 int ret;
290
291 ret = isst_send_msr_command(cpu, 0x1AD, 0, &msr_trl);
292 if (ret)
293 return ret;
294
295 trl[0] = msr_trl & GENMASK(7, 0);
296 trl[1] = (msr_trl & GENMASK(15, 8)) >> 8;
297 trl[2] = (msr_trl & GENMASK(23, 16)) >> 16;
298 trl[3] = (msr_trl & GENMASK(31, 24)) >> 24;
299 trl[4] = (msr_trl & GENMASK(39, 32)) >> 32;
300 trl[5] = (msr_trl & GENMASK(47, 40)) >> 40;
301 trl[6] = (msr_trl & GENMASK(55, 48)) >> 48;
302 trl[7] = (msr_trl & GENMASK(63, 56)) >> 56;
303
304 return 0;
305 }
306
isst_get_get_trl(int cpu,int level,int avx_level,int * trl)307 int isst_get_get_trl(int cpu, int level, int avx_level, int *trl)
308 {
309 unsigned int req, resp;
310 int ret;
311
312 req = level | (avx_level << 16);
313 ret = isst_send_mbox_command(cpu, CONFIG_TDP,
314 CONFIG_TDP_GET_TURBO_LIMIT_RATIOS, 0, req,
315 &resp);
316 if (ret)
317 return ret;
318
319 debug_printf(
320 "cpu:%d CONFIG_TDP_GET_TURBO_LIMIT_RATIOS req:%x resp:%x\n",
321 cpu, req, resp);
322
323 trl[0] = resp & GENMASK(7, 0);
324 trl[1] = (resp & GENMASK(15, 8)) >> 8;
325 trl[2] = (resp & GENMASK(23, 16)) >> 16;
326 trl[3] = (resp & GENMASK(31, 24)) >> 24;
327
328 req = level | BIT(8) | (avx_level << 16);
329 ret = isst_send_mbox_command(cpu, CONFIG_TDP,
330 CONFIG_TDP_GET_TURBO_LIMIT_RATIOS, 0, req,
331 &resp);
332 if (ret)
333 return ret;
334
335 debug_printf("cpu:%d CONFIG_TDP_GET_TURBO_LIMIT req:%x resp:%x\n", cpu,
336 req, resp);
337
338 trl[4] = resp & GENMASK(7, 0);
339 trl[5] = (resp & GENMASK(15, 8)) >> 8;
340 trl[6] = (resp & GENMASK(23, 16)) >> 16;
341 trl[7] = (resp & GENMASK(31, 24)) >> 24;
342
343 return 0;
344 }
345
isst_get_trl_bucket_info(int cpu,unsigned long long * buckets_info)346 int isst_get_trl_bucket_info(int cpu, unsigned long long *buckets_info)
347 {
348 int ret;
349
350 debug_printf("cpu:%d bucket info via MSR\n", cpu);
351
352 *buckets_info = 0;
353
354 ret = isst_send_msr_command(cpu, 0x1ae, 0, buckets_info);
355 if (ret)
356 return ret;
357
358 debug_printf("cpu:%d bucket info via MSR successful 0x%llx\n", cpu,
359 *buckets_info);
360
361 return 0;
362 }
363
isst_set_tdp_level_msr(int cpu,int tdp_level)364 int isst_set_tdp_level_msr(int cpu, int tdp_level)
365 {
366 unsigned long long level = tdp_level;
367 int ret;
368
369 debug_printf("cpu: tdp_level via MSR %d\n", cpu, tdp_level);
370
371 if (isst_get_config_tdp_lock_status(cpu)) {
372 isst_display_error_info_message(1, "tdp_locked", 0, 0);
373 return -1;
374 }
375
376 if (tdp_level > 2)
377 return -1; /* invalid value */
378
379 ret = isst_send_msr_command(cpu, 0x64b, 1, &level);
380 if (ret)
381 return ret;
382
383 debug_printf("cpu: tdp_level via MSR successful %d\n", cpu, tdp_level);
384
385 return 0;
386 }
387
isst_set_tdp_level(int cpu,int tdp_level)388 int isst_set_tdp_level(int cpu, int tdp_level)
389 {
390 unsigned int resp;
391 int ret;
392
393
394 if (isst_get_config_tdp_lock_status(cpu)) {
395 isst_display_error_info_message(1, "TDP is locked", 0, 0);
396 return -1;
397
398 }
399
400 ret = isst_send_mbox_command(cpu, CONFIG_TDP, CONFIG_TDP_SET_LEVEL, 0,
401 tdp_level, &resp);
402 if (ret) {
403 isst_display_error_info_message(1, "Set TDP level failed for level", 1, tdp_level);
404 return ret;
405 }
406
407 return 0;
408 }
409
isst_get_pbf_info(int cpu,int level,struct isst_pbf_info * pbf_info)410 int isst_get_pbf_info(int cpu, int level, struct isst_pbf_info *pbf_info)
411 {
412 struct isst_pkg_ctdp_level_info ctdp_level;
413 struct isst_pkg_ctdp pkg_dev;
414 int i, ret, max_punit_core, max_mask_index;
415 unsigned int req, resp;
416
417 ret = isst_get_ctdp_levels(cpu, &pkg_dev);
418 if (ret) {
419 isst_display_error_info_message(1, "Failed to get number of levels", 0, 0);
420 return ret;
421 }
422
423 if (level > pkg_dev.levels) {
424 isst_display_error_info_message(1, "Invalid level", 1, level);
425 return -1;
426 }
427
428 ret = isst_get_ctdp_control(cpu, level, &ctdp_level);
429 if (ret)
430 return ret;
431
432 if (!ctdp_level.pbf_support) {
433 isst_display_error_info_message(1, "base-freq feature is not present at this level", 1, level);
434 return -1;
435 }
436
437 pbf_info->core_cpumask_size = alloc_cpu_set(&pbf_info->core_cpumask);
438
439 max_punit_core = get_max_punit_core_id(get_physical_package_id(cpu), get_physical_die_id(cpu));
440 max_mask_index = max_punit_core > 32 ? 2 : 1;
441
442 for (i = 0; i < max_mask_index; ++i) {
443 unsigned long long mask;
444 int count;
445
446 ret = isst_send_mbox_command(cpu, CONFIG_TDP,
447 CONFIG_TDP_PBF_GET_CORE_MASK_INFO,
448 0, (i << 8) | level, &resp);
449 if (ret)
450 break;
451
452 debug_printf(
453 "cpu:%d CONFIG_TDP_PBF_GET_CORE_MASK_INFO resp:%x\n",
454 cpu, resp);
455
456 mask = (unsigned long long)resp << (32 * i);
457 set_cpu_mask_from_punit_coremask(cpu, mask,
458 pbf_info->core_cpumask_size,
459 pbf_info->core_cpumask,
460 &count);
461 }
462
463 req = level;
464 ret = isst_send_mbox_command(cpu, CONFIG_TDP,
465 CONFIG_TDP_PBF_GET_P1HI_P1LO_INFO, 0, req,
466 &resp);
467 if (ret)
468 return ret;
469
470 debug_printf("cpu:%d CONFIG_TDP_PBF_GET_P1HI_P1LO_INFO resp:%x\n", cpu,
471 resp);
472
473 pbf_info->p1_low = resp & 0xff;
474 pbf_info->p1_high = (resp & GENMASK(15, 8)) >> 8;
475
476 req = level;
477 ret = isst_send_mbox_command(
478 cpu, CONFIG_TDP, CONFIG_TDP_PBF_GET_TDP_INFO, 0, req, &resp);
479 if (ret)
480 return ret;
481
482 debug_printf("cpu:%d CONFIG_TDP_PBF_GET_TDP_INFO resp:%x\n", cpu, resp);
483
484 pbf_info->tdp = resp & 0xffff;
485
486 req = level;
487 ret = isst_send_mbox_command(
488 cpu, CONFIG_TDP, CONFIG_TDP_PBF_GET_TJ_MAX_INFO, 0, req, &resp);
489 if (ret)
490 return ret;
491
492 debug_printf("cpu:%d CONFIG_TDP_PBF_GET_TJ_MAX_INFO resp:%x\n", cpu,
493 resp);
494 pbf_info->t_control = (resp >> 8) & 0xff;
495 pbf_info->t_prochot = resp & 0xff;
496
497 return 0;
498 }
499
isst_get_pbf_info_complete(struct isst_pbf_info * pbf_info)500 void isst_get_pbf_info_complete(struct isst_pbf_info *pbf_info)
501 {
502 free_cpu_set(pbf_info->core_cpumask);
503 }
504
isst_set_pbf_fact_status(int cpu,int pbf,int enable)505 int isst_set_pbf_fact_status(int cpu, int pbf, int enable)
506 {
507 struct isst_pkg_ctdp pkg_dev;
508 struct isst_pkg_ctdp_level_info ctdp_level;
509 int current_level;
510 unsigned int req = 0, resp;
511 int ret;
512
513 ret = isst_get_ctdp_levels(cpu, &pkg_dev);
514 if (ret)
515 debug_printf("cpu:%d No support for dynamic ISST\n", cpu);
516
517 current_level = pkg_dev.current_level;
518
519 ret = isst_get_ctdp_control(cpu, current_level, &ctdp_level);
520 if (ret)
521 return ret;
522
523 if (pbf) {
524 if (ctdp_level.fact_enabled)
525 req = BIT(16);
526
527 if (enable)
528 req |= BIT(17);
529 else
530 req &= ~BIT(17);
531 } else {
532
533 if (enable && !ctdp_level.sst_cp_enabled)
534 isst_display_error_info_message(0, "Make sure to execute before: core-power enable", 0, 0);
535
536 if (ctdp_level.pbf_enabled)
537 req = BIT(17);
538
539 if (enable)
540 req |= BIT(16);
541 else
542 req &= ~BIT(16);
543 }
544
545 ret = isst_send_mbox_command(cpu, CONFIG_TDP,
546 CONFIG_TDP_SET_TDP_CONTROL, 0, req, &resp);
547 if (ret)
548 return ret;
549
550 debug_printf("cpu:%d CONFIG_TDP_SET_TDP_CONTROL pbf/fact:%d req:%x\n",
551 cpu, pbf, req);
552
553 return 0;
554 }
555
isst_get_fact_bucket_info(int cpu,int level,struct isst_fact_bucket_info * bucket_info)556 int isst_get_fact_bucket_info(int cpu, int level,
557 struct isst_fact_bucket_info *bucket_info)
558 {
559 unsigned int resp;
560 int i, k, ret;
561
562 for (i = 0; i < 2; ++i) {
563 int j;
564
565 ret = isst_send_mbox_command(
566 cpu, CONFIG_TDP,
567 CONFIG_TDP_GET_FACT_HP_TURBO_LIMIT_NUMCORES, 0,
568 (i << 8) | level, &resp);
569 if (ret)
570 return ret;
571
572 debug_printf(
573 "cpu:%d CONFIG_TDP_GET_FACT_HP_TURBO_LIMIT_NUMCORES index:%d level:%d resp:%x\n",
574 cpu, i, level, resp);
575
576 for (j = 0; j < 4; ++j) {
577 bucket_info[j + (i * 4)].high_priority_cores_count =
578 (resp >> (j * 8)) & 0xff;
579 }
580 }
581
582 for (k = 0; k < 3; ++k) {
583 for (i = 0; i < 2; ++i) {
584 int j;
585
586 ret = isst_send_mbox_command(
587 cpu, CONFIG_TDP,
588 CONFIG_TDP_GET_FACT_HP_TURBO_LIMIT_RATIOS, 0,
589 (k << 16) | (i << 8) | level, &resp);
590 if (ret)
591 return ret;
592
593 debug_printf(
594 "cpu:%d CONFIG_TDP_GET_FACT_HP_TURBO_LIMIT_RATIOS index:%d level:%d avx:%d resp:%x\n",
595 cpu, i, level, k, resp);
596
597 for (j = 0; j < 4; ++j) {
598 switch (k) {
599 case 0:
600 bucket_info[j + (i * 4)].sse_trl =
601 (resp >> (j * 8)) & 0xff;
602 break;
603 case 1:
604 bucket_info[j + (i * 4)].avx_trl =
605 (resp >> (j * 8)) & 0xff;
606 break;
607 case 2:
608 bucket_info[j + (i * 4)].avx512_trl =
609 (resp >> (j * 8)) & 0xff;
610 break;
611 default:
612 break;
613 }
614 }
615 }
616 }
617
618 return 0;
619 }
620
isst_get_fact_info(int cpu,int level,int fact_bucket,struct isst_fact_info * fact_info)621 int isst_get_fact_info(int cpu, int level, int fact_bucket, struct isst_fact_info *fact_info)
622 {
623 struct isst_pkg_ctdp_level_info ctdp_level;
624 struct isst_pkg_ctdp pkg_dev;
625 unsigned int resp;
626 int j, ret, print;
627
628 ret = isst_get_ctdp_levels(cpu, &pkg_dev);
629 if (ret) {
630 isst_display_error_info_message(1, "Failed to get number of levels", 0, 0);
631 return ret;
632 }
633
634 if (level > pkg_dev.levels) {
635 isst_display_error_info_message(1, "Invalid level", 1, level);
636 return -1;
637 }
638
639 ret = isst_get_ctdp_control(cpu, level, &ctdp_level);
640 if (ret)
641 return ret;
642
643 if (!ctdp_level.fact_support) {
644 isst_display_error_info_message(1, "turbo-freq feature is not present at this level", 1, level);
645 return -1;
646 }
647
648 ret = isst_send_mbox_command(cpu, CONFIG_TDP,
649 CONFIG_TDP_GET_FACT_LP_CLIPPING_RATIO, 0,
650 level, &resp);
651 if (ret)
652 return ret;
653
654 debug_printf("cpu:%d CONFIG_TDP_GET_FACT_LP_CLIPPING_RATIO resp:%x\n",
655 cpu, resp);
656
657 fact_info->lp_clipping_ratio_license_sse = resp & 0xff;
658 fact_info->lp_clipping_ratio_license_avx2 = (resp >> 8) & 0xff;
659 fact_info->lp_clipping_ratio_license_avx512 = (resp >> 16) & 0xff;
660
661 ret = isst_get_fact_bucket_info(cpu, level, fact_info->bucket_info);
662 if (ret)
663 return ret;
664
665 print = 0;
666 for (j = 0; j < ISST_FACT_MAX_BUCKETS; ++j) {
667 if (fact_bucket != 0xff && fact_bucket != j)
668 continue;
669
670 if (!fact_info->bucket_info[j].high_priority_cores_count)
671 break;
672
673 print = 1;
674 }
675 if (!print) {
676 isst_display_error_info_message(1, "Invalid bucket", 0, 0);
677 return -1;
678 }
679
680 return 0;
681 }
682
isst_get_trl(int cpu,unsigned long long * trl)683 int isst_get_trl(int cpu, unsigned long long *trl)
684 {
685 int ret;
686
687 ret = isst_send_msr_command(cpu, 0x1AD, 0, trl);
688 if (ret)
689 return ret;
690
691 return 0;
692 }
693
isst_set_trl(int cpu,unsigned long long trl)694 int isst_set_trl(int cpu, unsigned long long trl)
695 {
696 int ret;
697
698 if (!trl)
699 trl = 0xFFFFFFFFFFFFFFFFULL;
700
701 ret = isst_send_msr_command(cpu, 0x1AD, 1, &trl);
702 if (ret)
703 return ret;
704
705 return 0;
706 }
707
isst_set_trl_from_current_tdp(int cpu,unsigned long long trl)708 int isst_set_trl_from_current_tdp(int cpu, unsigned long long trl)
709 {
710 unsigned long long msr_trl;
711 int ret;
712
713 if (trl) {
714 msr_trl = trl;
715 } else {
716 struct isst_pkg_ctdp pkg_dev;
717 int trl[8];
718 int i;
719
720 ret = isst_get_ctdp_levels(cpu, &pkg_dev);
721 if (ret)
722 return ret;
723
724 ret = isst_get_get_trl(cpu, pkg_dev.current_level, 0, trl);
725 if (ret)
726 return ret;
727
728 msr_trl = 0;
729 for (i = 0; i < 8; ++i) {
730 unsigned long long _trl = trl[i];
731
732 msr_trl |= (_trl << (i * 8));
733 }
734 }
735 ret = isst_send_msr_command(cpu, 0x1AD, 1, &msr_trl);
736 if (ret)
737 return ret;
738
739 return 0;
740 }
741
742 /* Return 1 if locked */
isst_get_config_tdp_lock_status(int cpu)743 int isst_get_config_tdp_lock_status(int cpu)
744 {
745 unsigned long long tdp_control = 0;
746 int ret;
747
748 ret = isst_send_msr_command(cpu, 0x64b, 0, &tdp_control);
749 if (ret)
750 return ret;
751
752 ret = !!(tdp_control & BIT(31));
753
754 return ret;
755 }
756
isst_get_process_ctdp_complete(int cpu,struct isst_pkg_ctdp * pkg_dev)757 void isst_get_process_ctdp_complete(int cpu, struct isst_pkg_ctdp *pkg_dev)
758 {
759 int i;
760
761 if (!pkg_dev->processed)
762 return;
763
764 for (i = 0; i < pkg_dev->levels; ++i) {
765 struct isst_pkg_ctdp_level_info *ctdp_level;
766
767 ctdp_level = &pkg_dev->ctdp_level[i];
768 if (ctdp_level->pbf_support)
769 free_cpu_set(ctdp_level->pbf_info.core_cpumask);
770 free_cpu_set(ctdp_level->core_cpumask);
771 }
772 }
773
isst_get_process_ctdp(int cpu,int tdp_level,struct isst_pkg_ctdp * pkg_dev)774 int isst_get_process_ctdp(int cpu, int tdp_level, struct isst_pkg_ctdp *pkg_dev)
775 {
776 int i, ret, valid = 0;
777
778 if (pkg_dev->processed)
779 return 0;
780
781 ret = isst_get_ctdp_levels(cpu, pkg_dev);
782 if (ret)
783 return ret;
784
785 debug_printf("cpu: %d ctdp enable:%d current level: %d levels:%d\n",
786 cpu, pkg_dev->enabled, pkg_dev->current_level,
787 pkg_dev->levels);
788
789 if (tdp_level != 0xff && tdp_level > pkg_dev->levels) {
790 isst_display_error_info_message(1, "Invalid level", 0, 0);
791 return -1;
792 }
793
794 if (!pkg_dev->enabled)
795 isst_display_error_info_message(0, "perf-profile feature is not supported, just base-config level 0 is valid", 0, 0);
796
797 for (i = 0; i <= pkg_dev->levels; ++i) {
798 struct isst_pkg_ctdp_level_info *ctdp_level;
799
800 if (tdp_level != 0xff && i != tdp_level)
801 continue;
802
803 debug_printf("cpu:%d Get Information for TDP level:%d\n", cpu,
804 i);
805 ctdp_level = &pkg_dev->ctdp_level[i];
806
807 ctdp_level->level = i;
808 ctdp_level->control_cpu = cpu;
809 ctdp_level->pkg_id = get_physical_package_id(cpu);
810 ctdp_level->die_id = get_physical_die_id(cpu);
811
812 ret = isst_get_ctdp_control(cpu, i, ctdp_level);
813 if (ret)
814 continue;
815
816 valid = 1;
817 pkg_dev->processed = 1;
818 ctdp_level->processed = 1;
819
820 if (ctdp_level->pbf_support) {
821 ret = isst_get_pbf_info(cpu, i, &ctdp_level->pbf_info);
822 if (!ret)
823 ctdp_level->pbf_found = 1;
824 }
825
826 if (ctdp_level->fact_support) {
827 ret = isst_get_fact_info(cpu, i, 0xff,
828 &ctdp_level->fact_info);
829 if (ret)
830 return ret;
831 }
832
833 if (!pkg_dev->enabled && is_skx_based_platform()) {
834 int freq;
835
836 freq = get_cpufreq_base_freq(cpu);
837 if (freq > 0) {
838 ctdp_level->sse_p1 = freq / 100000;
839 ctdp_level->tdp_ratio = ctdp_level->sse_p1;
840 }
841
842 isst_get_get_trl_from_msr(cpu, ctdp_level->trl_sse_active_cores);
843 isst_get_trl_bucket_info(cpu, &ctdp_level->buckets_info);
844 continue;
845 }
846
847 ret = isst_get_tdp_info(cpu, i, ctdp_level);
848 if (ret)
849 return ret;
850
851 ret = isst_get_pwr_info(cpu, i, ctdp_level);
852 if (ret)
853 return ret;
854
855 ret = isst_get_tjmax_info(cpu, i, ctdp_level);
856 if (ret)
857 return ret;
858
859 ctdp_level->core_cpumask_size =
860 alloc_cpu_set(&ctdp_level->core_cpumask);
861 ret = isst_get_coremask_info(cpu, i, ctdp_level);
862 if (ret)
863 return ret;
864
865 ret = isst_get_trl_bucket_info(cpu, &ctdp_level->buckets_info);
866 if (ret)
867 return ret;
868
869 ret = isst_get_get_trl(cpu, i, 0,
870 ctdp_level->trl_sse_active_cores);
871 if (ret)
872 return ret;
873
874 ret = isst_get_get_trl(cpu, i, 1,
875 ctdp_level->trl_avx_active_cores);
876 if (ret)
877 return ret;
878
879 ret = isst_get_get_trl(cpu, i, 2,
880 ctdp_level->trl_avx_512_active_cores);
881 if (ret)
882 return ret;
883
884 isst_get_uncore_p0_p1_info(cpu, i, ctdp_level);
885 isst_get_p1_info(cpu, i, ctdp_level);
886 isst_get_uncore_mem_freq(cpu, i, ctdp_level);
887 }
888
889 if (!valid)
890 isst_display_error_info_message(0, "Invalid level, Can't get TDP control information at specified levels on cpu", 1, cpu);
891
892 return 0;
893 }
894
isst_clos_get_clos_information(int cpu,int * enable,int * type)895 int isst_clos_get_clos_information(int cpu, int *enable, int *type)
896 {
897 unsigned int resp;
898 int ret;
899
900 ret = isst_send_mbox_command(cpu, CONFIG_CLOS, CLOS_PM_QOS_CONFIG, 0, 0,
901 &resp);
902 if (ret)
903 return ret;
904
905 debug_printf("cpu:%d CLOS_PM_QOS_CONFIG resp:%x\n", cpu, resp);
906
907 if (resp & BIT(1))
908 *enable = 1;
909 else
910 *enable = 0;
911
912 if (resp & BIT(2))
913 *type = 1;
914 else
915 *type = 0;
916
917 return 0;
918 }
919
isst_pm_qos_config(int cpu,int enable_clos,int priority_type)920 int isst_pm_qos_config(int cpu, int enable_clos, int priority_type)
921 {
922 unsigned int req, resp;
923 int ret;
924
925 if (!enable_clos) {
926 struct isst_pkg_ctdp pkg_dev;
927 struct isst_pkg_ctdp_level_info ctdp_level;
928
929 ret = isst_get_ctdp_levels(cpu, &pkg_dev);
930 if (ret) {
931 debug_printf("isst_get_ctdp_levels\n");
932 return ret;
933 }
934
935 ret = isst_get_ctdp_control(cpu, pkg_dev.current_level,
936 &ctdp_level);
937 if (ret)
938 return ret;
939
940 if (ctdp_level.fact_enabled) {
941 isst_display_error_info_message(1, "Ignoring request, turbo-freq feature is still enabled", 0, 0);
942 return -EINVAL;
943 }
944 ret = isst_write_pm_config(cpu, 0);
945 if (ret)
946 isst_display_error_info_message(0, "WRITE_PM_CONFIG command failed, ignoring error", 0, 0);
947 } else {
948 ret = isst_write_pm_config(cpu, 1);
949 if (ret)
950 isst_display_error_info_message(0, "WRITE_PM_CONFIG command failed, ignoring error", 0, 0);
951 }
952
953 ret = isst_send_mbox_command(cpu, CONFIG_CLOS, CLOS_PM_QOS_CONFIG, 0, 0,
954 &resp);
955 if (ret) {
956 isst_display_error_info_message(1, "CLOS_PM_QOS_CONFIG command failed", 0, 0);
957 return ret;
958 }
959
960 debug_printf("cpu:%d CLOS_PM_QOS_CONFIG resp:%x\n", cpu, resp);
961
962 req = resp;
963
964 if (enable_clos)
965 req = req | BIT(1);
966 else
967 req = req & ~BIT(1);
968
969 if (priority_type > 1)
970 isst_display_error_info_message(1, "Invalid priority type: Changing type to ordered", 0, 0);
971
972 if (priority_type)
973 req = req | BIT(2);
974 else
975 req = req & ~BIT(2);
976
977 ret = isst_send_mbox_command(cpu, CONFIG_CLOS, CLOS_PM_QOS_CONFIG,
978 BIT(MBOX_CMD_WRITE_BIT), req, &resp);
979 if (ret)
980 return ret;
981
982 debug_printf("cpu:%d CLOS_PM_QOS_CONFIG priority type:%d req:%x\n", cpu,
983 priority_type, req);
984
985 return 0;
986 }
987
isst_pm_get_clos(int cpu,int clos,struct isst_clos_config * clos_config)988 int isst_pm_get_clos(int cpu, int clos, struct isst_clos_config *clos_config)
989 {
990 unsigned int resp;
991 int ret;
992
993 ret = isst_send_mbox_command(cpu, CONFIG_CLOS, CLOS_PM_CLOS, clos, 0,
994 &resp);
995 if (ret)
996 return ret;
997
998 clos_config->pkg_id = get_physical_package_id(cpu);
999 clos_config->die_id = get_physical_die_id(cpu);
1000
1001 clos_config->epp = resp & 0x0f;
1002 clos_config->clos_prop_prio = (resp >> 4) & 0x0f;
1003 clos_config->clos_min = (resp >> 8) & 0xff;
1004 clos_config->clos_max = (resp >> 16) & 0xff;
1005 clos_config->clos_desired = (resp >> 24) & 0xff;
1006
1007 return 0;
1008 }
1009
isst_set_clos(int cpu,int clos,struct isst_clos_config * clos_config)1010 int isst_set_clos(int cpu, int clos, struct isst_clos_config *clos_config)
1011 {
1012 unsigned int req, resp;
1013 unsigned int param;
1014 int ret;
1015
1016 req = clos_config->epp & 0x0f;
1017 req |= (clos_config->clos_prop_prio & 0x0f) << 4;
1018 req |= (clos_config->clos_min & 0xff) << 8;
1019 req |= (clos_config->clos_max & 0xff) << 16;
1020 req |= (clos_config->clos_desired & 0xff) << 24;
1021
1022 param = BIT(MBOX_CMD_WRITE_BIT) | clos;
1023
1024 ret = isst_send_mbox_command(cpu, CONFIG_CLOS, CLOS_PM_CLOS, param, req,
1025 &resp);
1026 if (ret)
1027 return ret;
1028
1029 debug_printf("cpu:%d CLOS_PM_CLOS param:%x req:%x\n", cpu, param, req);
1030
1031 return 0;
1032 }
1033
isst_clos_get_assoc_status(int cpu,int * clos_id)1034 int isst_clos_get_assoc_status(int cpu, int *clos_id)
1035 {
1036 unsigned int resp;
1037 unsigned int param;
1038 int core_id, ret;
1039
1040 core_id = find_phy_core_num(cpu);
1041 param = core_id;
1042
1043 ret = isst_send_mbox_command(cpu, CONFIG_CLOS, CLOS_PQR_ASSOC, param, 0,
1044 &resp);
1045 if (ret)
1046 return ret;
1047
1048 debug_printf("cpu:%d CLOS_PQR_ASSOC param:%x resp:%x\n", cpu, param,
1049 resp);
1050 *clos_id = (resp >> 16) & 0x03;
1051
1052 return 0;
1053 }
1054
isst_clos_associate(int cpu,int clos_id)1055 int isst_clos_associate(int cpu, int clos_id)
1056 {
1057 unsigned int req, resp;
1058 unsigned int param;
1059 int core_id, ret;
1060
1061 req = (clos_id & 0x03) << 16;
1062 core_id = find_phy_core_num(cpu);
1063 param = BIT(MBOX_CMD_WRITE_BIT) | core_id;
1064
1065 ret = isst_send_mbox_command(cpu, CONFIG_CLOS, CLOS_PQR_ASSOC, param,
1066 req, &resp);
1067 if (ret)
1068 return ret;
1069
1070 debug_printf("cpu:%d CLOS_PQR_ASSOC param:%x req:%x\n", cpu, param,
1071 req);
1072
1073 return 0;
1074 }
1075