Author | Tokens | Token Proportion | Commits | Commit Proportion |
---|---|---|---|---|
Srinivas Pandruvada | 1266 | 52.64% | 19 | 35.85% |
Rui Zhang | 1139 | 47.36% | 34 | 64.15% |
Total | 2405 | 53 |
// SPDX-License-Identifier: GPL-2.0 /* * Intel Speed Select -- Enumerate and control features * Copyright (c) 2019 Intel Corporation. */ #include "isst.h" static struct isst_platform_ops *isst_ops; #define CHECK_CB(_name) \ do { \ if (!isst_ops || !isst_ops->_name) { \ fprintf(stderr, "Invalid ops\n"); \ exit(0); \ } \ } while (0) int isst_set_platform_ops(int api_version) { switch (api_version) { case 1: isst_ops = mbox_get_platform_ops(); break; case 2: case 3: isst_ops = tpmi_get_platform_ops(); break; default: isst_ops = NULL; break; } if (!isst_ops) return -1; return 0; } void isst_update_platform_param(enum isst_platform_param param, int value) { CHECK_CB(update_platform_param); isst_ops->update_platform_param(param, value); } int isst_get_disp_freq_multiplier(void) { CHECK_CB(get_disp_freq_multiplier); return isst_ops->get_disp_freq_multiplier(); } int isst_get_trl_max_levels(void) { CHECK_CB(get_trl_max_levels); return isst_ops->get_trl_max_levels(); } char *isst_get_trl_level_name(int level) { CHECK_CB(get_trl_level_name); return isst_ops->get_trl_level_name(level); } int isst_is_punit_valid(struct isst_id *id) { CHECK_CB(is_punit_valid); return isst_ops->is_punit_valid(id); } int isst_send_msr_command(unsigned int cpu, unsigned int msr, int write, unsigned long long *req_resp) { struct isst_if_msr_cmds msr_cmds; const char *pathname = "/dev/isst_interface"; FILE *outf = get_output_file(); int fd; fd = open(pathname, O_RDWR); if (fd < 0) err(-1, "%s open failed", pathname); msr_cmds.cmd_count = 1; msr_cmds.msr_cmd[0].logical_cpu = cpu; msr_cmds.msr_cmd[0].msr = msr; msr_cmds.msr_cmd[0].read_write = write; if (write) msr_cmds.msr_cmd[0].data = *req_resp; if (ioctl(fd, ISST_IF_MSR_COMMAND, &msr_cmds) == -1) { perror("ISST_IF_MSR_COMMAND"); fprintf(outf, "Error: msr_cmd cpu:%d msr:%x read_write:%d\n", cpu, msr, write); } else { if (!write) *req_resp = msr_cmds.msr_cmd[0].data; debug_printf( "msr_cmd response: cpu:%d msr:%x rd_write:%x resp:%llx %llx\n", cpu, msr, write, *req_resp, msr_cmds.msr_cmd[0].data); } close(fd); return 0; } int isst_read_pm_config(struct isst_id *id, int *cp_state, int *cp_cap) { CHECK_CB(read_pm_config); return isst_ops->read_pm_config(id, cp_state, cp_cap); } int isst_get_ctdp_levels(struct isst_id *id, struct isst_pkg_ctdp *pkg_dev) { CHECK_CB(get_config_levels); return isst_ops->get_config_levels(id, pkg_dev); } int isst_get_ctdp_control(struct isst_id *id, int config_index, struct isst_pkg_ctdp_level_info *ctdp_level) { CHECK_CB(get_ctdp_control); return isst_ops->get_ctdp_control(id, config_index, ctdp_level); } int isst_get_tdp_info(struct isst_id *id, int config_index, struct isst_pkg_ctdp_level_info *ctdp_level) { CHECK_CB(get_tdp_info); return isst_ops->get_tdp_info(id, config_index, ctdp_level); } int isst_get_pwr_info(struct isst_id *id, int config_index, struct isst_pkg_ctdp_level_info *ctdp_level) { CHECK_CB(get_pwr_info); return isst_ops->get_pwr_info(id, config_index, ctdp_level); } int isst_get_coremask_info(struct isst_id *id, int config_index, struct isst_pkg_ctdp_level_info *ctdp_level) { CHECK_CB(get_coremask_info); return isst_ops->get_coremask_info(id, config_index, ctdp_level); } int isst_get_get_trl_from_msr(struct isst_id *id, int *trl) { unsigned long long msr_trl; int ret; ret = isst_send_msr_command(id->cpu, 0x1AD, 0, &msr_trl); if (ret) return ret; trl[0] = msr_trl & GENMASK(7, 0); trl[1] = (msr_trl & GENMASK(15, 8)) >> 8; trl[2] = (msr_trl & GENMASK(23, 16)) >> 16; trl[3] = (msr_trl & GENMASK(31, 24)) >> 24; trl[4] = (msr_trl & GENMASK(39, 32)) >> 32; trl[5] = (msr_trl & GENMASK(47, 40)) >> 40; trl[6] = (msr_trl & GENMASK(55, 48)) >> 48; trl[7] = (msr_trl & GENMASK(63, 56)) >> 56; return 0; } int isst_get_get_trl(struct isst_id *id, int level, int avx_level, int *trl) { CHECK_CB(get_get_trl); return isst_ops->get_get_trl(id, level, avx_level, trl); } int isst_get_get_trls(struct isst_id *id, int level, struct isst_pkg_ctdp_level_info *ctdp_level) { CHECK_CB(get_get_trls); return isst_ops->get_get_trls(id, level, ctdp_level); } int isst_get_trl_bucket_info(struct isst_id *id, int level, unsigned long long *buckets_info) { CHECK_CB(get_trl_bucket_info); return isst_ops->get_trl_bucket_info(id, level, buckets_info); } int isst_set_tdp_level(struct isst_id *id, int tdp_level) { CHECK_CB(set_tdp_level); return isst_ops->set_tdp_level(id, tdp_level); } int isst_get_pbf_info(struct isst_id *id, int level, struct isst_pbf_info *pbf_info) { struct isst_pkg_ctdp_level_info ctdp_level; struct isst_pkg_ctdp pkg_dev; int ret; ret = isst_get_ctdp_levels(id, &pkg_dev); if (ret) { isst_display_error_info_message(1, "Failed to get number of levels", 0, 0); return ret; } if (level > pkg_dev.levels) { isst_display_error_info_message(1, "Invalid level", 1, level); return -1; } ret = isst_get_ctdp_control(id, level, &ctdp_level); if (ret) return ret; if (!ctdp_level.pbf_support) { isst_display_error_info_message(1, "base-freq feature is not present at this level", 1, level); return -1; } pbf_info->core_cpumask_size = alloc_cpu_set(&pbf_info->core_cpumask); CHECK_CB(get_pbf_info); return isst_ops->get_pbf_info(id, level, pbf_info); } int isst_set_pbf_fact_status(struct isst_id *id, int pbf, int enable) { CHECK_CB(set_pbf_fact_status); return isst_ops->set_pbf_fact_status(id, pbf, enable); } int isst_get_fact_info(struct isst_id *id, int level, int fact_bucket, struct isst_fact_info *fact_info) { struct isst_pkg_ctdp_level_info ctdp_level; struct isst_pkg_ctdp pkg_dev; int ret; ret = isst_get_ctdp_levels(id, &pkg_dev); if (ret) { isst_display_error_info_message(1, "Failed to get number of levels", 0, 0); return ret; } if (level > pkg_dev.levels) { isst_display_error_info_message(1, "Invalid level", 1, level); return -1; } ret = isst_get_ctdp_control(id, level, &ctdp_level); if (ret) return ret; if (!ctdp_level.fact_support) { isst_display_error_info_message(1, "turbo-freq feature is not present at this level", 1, level); return -1; } CHECK_CB(get_fact_info); return isst_ops->get_fact_info(id, level, fact_bucket, fact_info); } int isst_get_trl(struct isst_id *id, unsigned long long *trl) { int ret; ret = isst_send_msr_command(id->cpu, 0x1AD, 0, trl); if (ret) return ret; return 0; } int isst_set_trl(struct isst_id *id, unsigned long long trl) { int ret; if (!trl) trl = 0xFFFFFFFFFFFFFFFFULL; ret = isst_send_msr_command(id->cpu, 0x1AD, 1, &trl); if (ret) return ret; return 0; } #define MSR_TRL_FREQ_MULTIPLIER 100 int isst_set_trl_from_current_tdp(struct isst_id *id, unsigned long long trl) { unsigned long long msr_trl; int ret; if (id->cpu < 0) return 0; if (trl) { msr_trl = trl; } else { struct isst_pkg_ctdp pkg_dev; int trl[8]; int i; ret = isst_get_ctdp_levels(id, &pkg_dev); if (ret) return ret; ret = isst_get_get_trl(id, pkg_dev.current_level, 0, trl); if (ret) return ret; msr_trl = 0; for (i = 0; i < 8; ++i) { unsigned long long _trl = trl[i]; /* MSR is always in 100 MHz unit */ if (isst_get_disp_freq_multiplier() == 1) _trl /= MSR_TRL_FREQ_MULTIPLIER; msr_trl |= (_trl << (i * 8)); } } ret = isst_send_msr_command(id->cpu, 0x1AD, 1, &msr_trl); if (ret) return ret; return 0; } /* Return 1 if locked */ int isst_get_config_tdp_lock_status(struct isst_id *id) { unsigned long long tdp_control = 0; int ret; ret = isst_send_msr_command(id->cpu, 0x64b, 0, &tdp_control); if (ret) return ret; ret = !!(tdp_control & BIT(31)); return ret; } void isst_get_process_ctdp_complete(struct isst_id *id, struct isst_pkg_ctdp *pkg_dev) { int i; if (!pkg_dev->processed) return; for (i = 0; i < pkg_dev->levels; ++i) { struct isst_pkg_ctdp_level_info *ctdp_level; ctdp_level = &pkg_dev->ctdp_level[i]; if (ctdp_level->pbf_support) free_cpu_set(ctdp_level->pbf_info.core_cpumask); free_cpu_set(ctdp_level->core_cpumask); } } void isst_adjust_uncore_freq(struct isst_id *id, int config_index, struct isst_pkg_ctdp_level_info *ctdp_level) { CHECK_CB(adjust_uncore_freq); return isst_ops->adjust_uncore_freq(id, config_index, ctdp_level); } int isst_get_process_ctdp(struct isst_id *id, int tdp_level, struct isst_pkg_ctdp *pkg_dev) { int i, ret, valid = 0; if (pkg_dev->processed) return 0; ret = isst_get_ctdp_levels(id, pkg_dev); if (ret) return ret; debug_printf("cpu: %d ctdp enable:%d current level: %d levels:%d\n", id->cpu, pkg_dev->enabled, pkg_dev->current_level, pkg_dev->levels); if (tdp_level != 0xff && tdp_level > pkg_dev->levels) { isst_display_error_info_message(1, "Invalid level", 0, 0); return -1; } if (!pkg_dev->enabled) isst_display_error_info_message(0, "perf-profile feature is not supported, just base-config level 0 is valid", 0, 0); for (i = 0; i <= pkg_dev->levels; ++i) { struct isst_pkg_ctdp_level_info *ctdp_level; if (tdp_level != 0xff && i != tdp_level) continue; debug_printf("cpu:%d Get Information for TDP level:%d\n", id->cpu, i); ctdp_level = &pkg_dev->ctdp_level[i]; ctdp_level->level = i; ctdp_level->control_cpu = id->cpu; ctdp_level->pkg_id = id->pkg; ctdp_level->die_id = id->die; ret = isst_get_ctdp_control(id, i, ctdp_level); if (ret) continue; valid = 1; pkg_dev->processed = 1; ctdp_level->processed = 1; if (ctdp_level->pbf_support) { ret = isst_get_pbf_info(id, i, &ctdp_level->pbf_info); if (!ret) ctdp_level->pbf_found = 1; } if (ctdp_level->fact_support) { ret = isst_get_fact_info(id, i, 0xff, &ctdp_level->fact_info); if (ret) return ret; } if (!pkg_dev->enabled && is_skx_based_platform()) { int freq; freq = get_cpufreq_base_freq(id->cpu); if (freq > 0) { ctdp_level->sse_p1 = freq / 100000; ctdp_level->tdp_ratio = ctdp_level->sse_p1; } isst_get_get_trl_from_msr(id, ctdp_level->trl_ratios[0]); isst_get_trl_bucket_info(id, i, &ctdp_level->trl_cores); continue; } ret = isst_get_tdp_info(id, i, ctdp_level); if (ret) return ret; ret = isst_get_pwr_info(id, i, ctdp_level); if (ret) return ret; ctdp_level->core_cpumask_size = alloc_cpu_set(&ctdp_level->core_cpumask); ret = isst_get_coremask_info(id, i, ctdp_level); if (ret) return ret; ret = isst_get_trl_bucket_info(id, i, &ctdp_level->trl_cores); if (ret) return ret; ret = isst_get_get_trls(id, i, ctdp_level); if (ret) return ret; } if (!valid) isst_display_error_info_message(0, "Invalid level, Can't get TDP control information at specified levels on cpu", 1, id->cpu); return 0; } int isst_clos_get_clos_information(struct isst_id *id, int *enable, int *type) { CHECK_CB(get_clos_information); return isst_ops->get_clos_information(id, enable, type); } int isst_pm_qos_config(struct isst_id *id, int enable_clos, int priority_type) { CHECK_CB(pm_qos_config); return isst_ops->pm_qos_config(id, enable_clos, priority_type); } int isst_pm_get_clos(struct isst_id *id, int clos, struct isst_clos_config *clos_config) { CHECK_CB(pm_get_clos); return isst_ops->pm_get_clos(id, clos, clos_config); } int isst_set_clos(struct isst_id *id, int clos, struct isst_clos_config *clos_config) { CHECK_CB(set_clos); return isst_ops->set_clos(id, clos, clos_config); } int isst_clos_get_assoc_status(struct isst_id *id, int *clos_id) { CHECK_CB(clos_get_assoc_status); return isst_ops->clos_get_assoc_status(id, clos_id); } int isst_clos_associate(struct isst_id *id, int clos_id) { CHECK_CB(clos_associate); return isst_ops->clos_associate(id, clos_id); }
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