1 // SPDX-License-Identifier: GPL-2.0
3 * Intel Speed Select -- Enumerate and control features
4 * Copyright (c) 2019 Intel Corporation.
9 static struct isst_platform_ops *isst_ops;
11 #define CHECK_CB(_name) \
13 if (!isst_ops || !isst_ops->_name) { \
14 fprintf(stderr, "Invalid ops\n"); \
19 int isst_set_platform_ops(int api_version)
21 switch (api_version) {
23 isst_ops = mbox_get_platform_ops();
26 isst_ops = tpmi_get_platform_ops();
38 void isst_update_platform_param(enum isst_platform_param param, int value)
40 CHECK_CB(update_platform_param);
42 isst_ops->update_platform_param(param, value);
45 int isst_get_disp_freq_multiplier(void)
47 CHECK_CB(get_disp_freq_multiplier);
48 return isst_ops->get_disp_freq_multiplier();
51 int isst_get_trl_max_levels(void)
53 CHECK_CB(get_trl_max_levels);
54 return isst_ops->get_trl_max_levels();
57 char *isst_get_trl_level_name(int level)
59 CHECK_CB(get_trl_level_name);
60 return isst_ops->get_trl_level_name(level);
63 int isst_is_punit_valid(struct isst_id *id)
65 CHECK_CB(is_punit_valid);
66 return isst_ops->is_punit_valid(id);
69 int isst_send_msr_command(unsigned int cpu, unsigned int msr, int write,
70 unsigned long long *req_resp)
72 struct isst_if_msr_cmds msr_cmds;
73 const char *pathname = "/dev/isst_interface";
74 FILE *outf = get_output_file();
77 fd = open(pathname, O_RDWR);
79 err(-1, "%s open failed", pathname);
81 msr_cmds.cmd_count = 1;
82 msr_cmds.msr_cmd[0].logical_cpu = cpu;
83 msr_cmds.msr_cmd[0].msr = msr;
84 msr_cmds.msr_cmd[0].read_write = write;
86 msr_cmds.msr_cmd[0].data = *req_resp;
88 if (ioctl(fd, ISST_IF_MSR_COMMAND, &msr_cmds) == -1) {
89 perror("ISST_IF_MSR_COMMAND");
90 fprintf(outf, "Error: msr_cmd cpu:%d msr:%x read_write:%d\n",
94 *req_resp = msr_cmds.msr_cmd[0].data;
97 "msr_cmd response: cpu:%d msr:%x rd_write:%x resp:%llx %llx\n",
98 cpu, msr, write, *req_resp, msr_cmds.msr_cmd[0].data);
106 int isst_read_pm_config(struct isst_id *id, int *cp_state, int *cp_cap)
108 CHECK_CB(read_pm_config);
109 return isst_ops->read_pm_config(id, cp_state, cp_cap);
112 int isst_get_ctdp_levels(struct isst_id *id, struct isst_pkg_ctdp *pkg_dev)
114 CHECK_CB(get_config_levels);
115 return isst_ops->get_config_levels(id, pkg_dev);
118 int isst_get_ctdp_control(struct isst_id *id, int config_index,
119 struct isst_pkg_ctdp_level_info *ctdp_level)
121 CHECK_CB(get_ctdp_control);
122 return isst_ops->get_ctdp_control(id, config_index, ctdp_level);
125 int isst_get_tdp_info(struct isst_id *id, int config_index,
126 struct isst_pkg_ctdp_level_info *ctdp_level)
128 CHECK_CB(get_tdp_info);
129 return isst_ops->get_tdp_info(id, config_index, ctdp_level);
132 int isst_get_pwr_info(struct isst_id *id, int config_index,
133 struct isst_pkg_ctdp_level_info *ctdp_level)
135 CHECK_CB(get_pwr_info);
136 return isst_ops->get_pwr_info(id, config_index, ctdp_level);
139 int isst_get_coremask_info(struct isst_id *id, int config_index,
140 struct isst_pkg_ctdp_level_info *ctdp_level)
142 CHECK_CB(get_coremask_info);
143 return isst_ops->get_coremask_info(id, config_index, ctdp_level);
146 int isst_get_get_trl_from_msr(struct isst_id *id, int *trl)
148 unsigned long long msr_trl;
151 ret = isst_send_msr_command(id->cpu, 0x1AD, 0, &msr_trl);
155 trl[0] = msr_trl & GENMASK(7, 0);
156 trl[1] = (msr_trl & GENMASK(15, 8)) >> 8;
157 trl[2] = (msr_trl & GENMASK(23, 16)) >> 16;
158 trl[3] = (msr_trl & GENMASK(31, 24)) >> 24;
159 trl[4] = (msr_trl & GENMASK(39, 32)) >> 32;
160 trl[5] = (msr_trl & GENMASK(47, 40)) >> 40;
161 trl[6] = (msr_trl & GENMASK(55, 48)) >> 48;
162 trl[7] = (msr_trl & GENMASK(63, 56)) >> 56;
167 int isst_get_get_trl(struct isst_id *id, int level, int avx_level, int *trl)
169 CHECK_CB(get_get_trl);
170 return isst_ops->get_get_trl(id, level, avx_level, trl);
173 int isst_get_get_trls(struct isst_id *id, int level, struct isst_pkg_ctdp_level_info *ctdp_level)
175 CHECK_CB(get_get_trls);
176 return isst_ops->get_get_trls(id, level, ctdp_level);
179 int isst_get_trl_bucket_info(struct isst_id *id, int level, unsigned long long *buckets_info)
181 CHECK_CB(get_trl_bucket_info);
182 return isst_ops->get_trl_bucket_info(id, level, buckets_info);
185 int isst_set_tdp_level(struct isst_id *id, int tdp_level)
187 CHECK_CB(set_tdp_level);
188 return isst_ops->set_tdp_level(id, tdp_level);
191 int isst_get_pbf_info(struct isst_id *id, int level, struct isst_pbf_info *pbf_info)
193 struct isst_pkg_ctdp_level_info ctdp_level;
194 struct isst_pkg_ctdp pkg_dev;
197 ret = isst_get_ctdp_levels(id, &pkg_dev);
199 isst_display_error_info_message(1, "Failed to get number of levels", 0, 0);
203 if (level > pkg_dev.levels) {
204 isst_display_error_info_message(1, "Invalid level", 1, level);
208 ret = isst_get_ctdp_control(id, level, &ctdp_level);
212 if (!ctdp_level.pbf_support) {
213 isst_display_error_info_message(1, "base-freq feature is not present at this level", 1, level);
217 pbf_info->core_cpumask_size = alloc_cpu_set(&pbf_info->core_cpumask);
219 CHECK_CB(get_pbf_info);
220 return isst_ops->get_pbf_info(id, level, pbf_info);
223 int isst_set_pbf_fact_status(struct isst_id *id, int pbf, int enable)
225 CHECK_CB(set_pbf_fact_status);
226 return isst_ops->set_pbf_fact_status(id, pbf, enable);
231 int isst_get_fact_info(struct isst_id *id, int level, int fact_bucket, struct isst_fact_info *fact_info)
233 struct isst_pkg_ctdp_level_info ctdp_level;
234 struct isst_pkg_ctdp pkg_dev;
237 ret = isst_get_ctdp_levels(id, &pkg_dev);
239 isst_display_error_info_message(1, "Failed to get number of levels", 0, 0);
243 if (level > pkg_dev.levels) {
244 isst_display_error_info_message(1, "Invalid level", 1, level);
248 ret = isst_get_ctdp_control(id, level, &ctdp_level);
252 if (!ctdp_level.fact_support) {
253 isst_display_error_info_message(1, "turbo-freq feature is not present at this level", 1, level);
256 CHECK_CB(get_fact_info);
257 return isst_ops->get_fact_info(id, level, fact_bucket, fact_info);
260 int isst_get_trl(struct isst_id *id, unsigned long long *trl)
264 ret = isst_send_msr_command(id->cpu, 0x1AD, 0, trl);
271 int isst_set_trl(struct isst_id *id, unsigned long long trl)
276 trl = 0xFFFFFFFFFFFFFFFFULL;
278 ret = isst_send_msr_command(id->cpu, 0x1AD, 1, &trl);
285 int isst_set_trl_from_current_tdp(struct isst_id *id, unsigned long long trl)
287 unsigned long long msr_trl;
296 struct isst_pkg_ctdp pkg_dev;
300 ret = isst_get_ctdp_levels(id, &pkg_dev);
304 ret = isst_get_get_trl(id, pkg_dev.current_level, 0, trl);
309 for (i = 0; i < 8; ++i) {
310 unsigned long long _trl = trl[i];
312 msr_trl |= (_trl << (i * 8));
315 ret = isst_send_msr_command(id->cpu, 0x1AD, 1, &msr_trl);
322 /* Return 1 if locked */
323 int isst_get_config_tdp_lock_status(struct isst_id *id)
325 unsigned long long tdp_control = 0;
328 ret = isst_send_msr_command(id->cpu, 0x64b, 0, &tdp_control);
332 ret = !!(tdp_control & BIT(31));
337 void isst_get_process_ctdp_complete(struct isst_id *id, struct isst_pkg_ctdp *pkg_dev)
341 if (!pkg_dev->processed)
344 for (i = 0; i < pkg_dev->levels; ++i) {
345 struct isst_pkg_ctdp_level_info *ctdp_level;
347 ctdp_level = &pkg_dev->ctdp_level[i];
348 if (ctdp_level->pbf_support)
349 free_cpu_set(ctdp_level->pbf_info.core_cpumask);
350 free_cpu_set(ctdp_level->core_cpumask);
354 void isst_adjust_uncore_freq(struct isst_id *id, int config_index,
355 struct isst_pkg_ctdp_level_info *ctdp_level)
357 CHECK_CB(adjust_uncore_freq);
358 return isst_ops->adjust_uncore_freq(id, config_index, ctdp_level);
361 int isst_get_process_ctdp(struct isst_id *id, int tdp_level, struct isst_pkg_ctdp *pkg_dev)
363 int i, ret, valid = 0;
365 if (pkg_dev->processed)
368 ret = isst_get_ctdp_levels(id, pkg_dev);
372 debug_printf("cpu: %d ctdp enable:%d current level: %d levels:%d\n",
373 id->cpu, pkg_dev->enabled, pkg_dev->current_level,
376 if (tdp_level != 0xff && tdp_level > pkg_dev->levels) {
377 isst_display_error_info_message(1, "Invalid level", 0, 0);
381 if (!pkg_dev->enabled)
382 isst_display_error_info_message(0, "perf-profile feature is not supported, just base-config level 0 is valid", 0, 0);
384 for (i = 0; i <= pkg_dev->levels; ++i) {
385 struct isst_pkg_ctdp_level_info *ctdp_level;
387 if (tdp_level != 0xff && i != tdp_level)
390 debug_printf("cpu:%d Get Information for TDP level:%d\n", id->cpu,
392 ctdp_level = &pkg_dev->ctdp_level[i];
394 ctdp_level->level = i;
395 ctdp_level->control_cpu = id->cpu;
396 ctdp_level->pkg_id = id->pkg;
397 ctdp_level->die_id = id->die;
399 ret = isst_get_ctdp_control(id, i, ctdp_level);
404 pkg_dev->processed = 1;
405 ctdp_level->processed = 1;
407 if (ctdp_level->pbf_support) {
408 ret = isst_get_pbf_info(id, i, &ctdp_level->pbf_info);
410 ctdp_level->pbf_found = 1;
413 if (ctdp_level->fact_support) {
414 ret = isst_get_fact_info(id, i, 0xff,
415 &ctdp_level->fact_info);
420 if (!pkg_dev->enabled && is_skx_based_platform()) {
423 freq = get_cpufreq_base_freq(id->cpu);
425 ctdp_level->sse_p1 = freq / 100000;
426 ctdp_level->tdp_ratio = ctdp_level->sse_p1;
429 isst_get_get_trl_from_msr(id, ctdp_level->trl_ratios[0]);
430 isst_get_trl_bucket_info(id, i, &ctdp_level->trl_cores);
434 ret = isst_get_tdp_info(id, i, ctdp_level);
438 ret = isst_get_pwr_info(id, i, ctdp_level);
442 ctdp_level->core_cpumask_size =
443 alloc_cpu_set(&ctdp_level->core_cpumask);
444 ret = isst_get_coremask_info(id, i, ctdp_level);
448 ret = isst_get_trl_bucket_info(id, i, &ctdp_level->trl_cores);
452 ret = isst_get_get_trls(id, i, ctdp_level);
458 isst_display_error_info_message(0, "Invalid level, Can't get TDP control information at specified levels on cpu", 1, id->cpu);
463 int isst_clos_get_clos_information(struct isst_id *id, int *enable, int *type)
465 CHECK_CB(get_clos_information);
466 return isst_ops->get_clos_information(id, enable, type);
469 int isst_pm_qos_config(struct isst_id *id, int enable_clos, int priority_type)
471 CHECK_CB(pm_qos_config);
472 return isst_ops->pm_qos_config(id, enable_clos, priority_type);
475 int isst_pm_get_clos(struct isst_id *id, int clos, struct isst_clos_config *clos_config)
477 CHECK_CB(pm_get_clos);
478 return isst_ops->pm_get_clos(id, clos, clos_config);
481 int isst_set_clos(struct isst_id *id, int clos, struct isst_clos_config *clos_config)
484 return isst_ops->set_clos(id, clos, clos_config);
487 int isst_clos_get_assoc_status(struct isst_id *id, int *clos_id)
489 CHECK_CB(clos_get_assoc_status);
490 return isst_ops->clos_get_assoc_status(id, clos_id);
493 int isst_clos_associate(struct isst_id *id, int clos_id)
495 CHECK_CB(clos_associate);
496 return isst_ops->clos_associate(id, clos_id);