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linux-sg2042/tools/power/x86/intel-speed-select/isst-core.c

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// SPDX-License-Identifier: GPL-2.0
/*
* Intel Speed Select -- Enumerate and control features
* Copyright (c) 2019 Intel Corporation.
*/
#include "isst.h"
int isst_write_pm_config(int cpu, int cp_state)
{
unsigned int req, resp;
int ret;
if (cp_state)
req = BIT(16);
else
req = 0;
ret = isst_send_mbox_command(cpu, WRITE_PM_CONFIG, PM_FEATURE, 0, req,
&resp);
if (ret)
return ret;
debug_printf("cpu:%d WRITE_PM_CONFIG resp:%x\n", cpu, resp);
return 0;
}
int isst_read_pm_config(int cpu, int *cp_state, int *cp_cap)
{
unsigned int resp;
int ret;
ret = isst_send_mbox_command(cpu, READ_PM_CONFIG, PM_FEATURE, 0, 0,
&resp);
if (ret)
return ret;
debug_printf("cpu:%d READ_PM_CONFIG resp:%x\n", cpu, resp);
*cp_state = resp & BIT(16);
*cp_cap = resp & BIT(0) ? 1 : 0;
return 0;
}
int isst_get_ctdp_levels(int cpu, struct isst_pkg_ctdp *pkg_dev)
{
unsigned int resp;
int ret;
ret = isst_send_mbox_command(cpu, CONFIG_TDP,
CONFIG_TDP_GET_LEVELS_INFO, 0, 0, &resp);
if (ret) {
pkg_dev->levels = 0;
pkg_dev->locked = 1;
pkg_dev->current_level = 0;
pkg_dev->version = 0;
pkg_dev->enabled = 0;
return 0;
}
debug_printf("cpu:%d CONFIG_TDP_GET_LEVELS_INFO resp:%x\n", cpu, resp);
pkg_dev->version = resp & 0xff;
pkg_dev->levels = (resp >> 8) & 0xff;
pkg_dev->current_level = (resp >> 16) & 0xff;
pkg_dev->locked = !!(resp & BIT(24));
pkg_dev->enabled = !!(resp & BIT(31));
return 0;
}
int isst_get_ctdp_control(int cpu, int config_index,
struct isst_pkg_ctdp_level_info *ctdp_level)
{
int cp_state, cp_cap;
unsigned int resp;
int ret;
ret = isst_send_mbox_command(cpu, CONFIG_TDP,
CONFIG_TDP_GET_TDP_CONTROL, 0,
config_index, &resp);
if (ret)
return ret;
ctdp_level->fact_support = resp & BIT(0);
ctdp_level->pbf_support = !!(resp & BIT(1));
ctdp_level->fact_enabled = !!(resp & BIT(16));
ctdp_level->pbf_enabled = !!(resp & BIT(17));
ret = isst_read_pm_config(cpu, &cp_state, &cp_cap);
if (ret) {
debug_printf("cpu:%d pm_config is not supported \n", cpu);
} else {
debug_printf("cpu:%d pm_config SST-CP state:%d cap:%d \n", cpu, cp_state, cp_cap);
ctdp_level->sst_cp_support = cp_cap;
ctdp_level->sst_cp_enabled = cp_state;
}
debug_printf(
"cpu:%d CONFIG_TDP_GET_TDP_CONTROL resp:%x fact_support:%d pbf_support: %d fact_enabled:%d pbf_enabled:%d\n",
cpu, resp, ctdp_level->fact_support, ctdp_level->pbf_support,
ctdp_level->fact_enabled, ctdp_level->pbf_enabled);
return 0;
}
int isst_get_tdp_info(int cpu, int config_index,
struct isst_pkg_ctdp_level_info *ctdp_level)
{
unsigned int resp;
int ret;
ret = isst_send_mbox_command(cpu, CONFIG_TDP, CONFIG_TDP_GET_TDP_INFO,
0, config_index, &resp);
if (ret)
return ret;
ctdp_level->pkg_tdp = resp & GENMASK(14, 0);
ctdp_level->tdp_ratio = (resp & GENMASK(23, 16)) >> 16;
debug_printf(
"cpu:%d ctdp:%d CONFIG_TDP_GET_TDP_INFO resp:%x tdp_ratio:%d pkg_tdp:%d\n",
cpu, config_index, resp, ctdp_level->tdp_ratio,
ctdp_level->pkg_tdp);
return 0;
}
int isst_get_pwr_info(int cpu, int config_index,
struct isst_pkg_ctdp_level_info *ctdp_level)
{
unsigned int resp;
int ret;
ret = isst_send_mbox_command(cpu, CONFIG_TDP, CONFIG_TDP_GET_PWR_INFO,
0, config_index, &resp);
if (ret)
return ret;
ctdp_level->pkg_max_power = resp & GENMASK(14, 0);
ctdp_level->pkg_min_power = (resp & GENMASK(30, 16)) >> 16;
debug_printf(
"cpu:%d ctdp:%d CONFIG_TDP_GET_PWR_INFO resp:%x pkg_max_power:%d pkg_min_power:%d\n",
cpu, config_index, resp, ctdp_level->pkg_max_power,
ctdp_level->pkg_min_power);
return 0;
}
void isst_get_uncore_p0_p1_info(int cpu, int config_index,
struct isst_pkg_ctdp_level_info *ctdp_level)
{
unsigned int resp;
int ret;
ret = isst_send_mbox_command(cpu, CONFIG_TDP,
CONFIG_TDP_GET_UNCORE_P0_P1_INFO, 0,
config_index, &resp);
if (ret) {
ctdp_level->uncore_p0 = 0;
ctdp_level->uncore_p1 = 0;
return;
}
ctdp_level->uncore_p0 = resp & GENMASK(7, 0);
ctdp_level->uncore_p1 = (resp & GENMASK(15, 8)) >> 8;
debug_printf(
"cpu:%d ctdp:%d CONFIG_TDP_GET_UNCORE_P0_P1_INFO resp:%x uncore p0:%d uncore p1:%d\n",
cpu, config_index, resp, ctdp_level->uncore_p0,
ctdp_level->uncore_p1);
}
void isst_get_p1_info(int cpu, int config_index,
struct isst_pkg_ctdp_level_info *ctdp_level)
{
unsigned int resp;
int ret;
ret = isst_send_mbox_command(cpu, CONFIG_TDP, CONFIG_TDP_GET_P1_INFO, 0,
config_index, &resp);
if (ret) {
ctdp_level->sse_p1 = 0;
ctdp_level->avx2_p1 = 0;
ctdp_level->avx512_p1 = 0;
return;
}
ctdp_level->sse_p1 = resp & GENMASK(7, 0);
ctdp_level->avx2_p1 = (resp & GENMASK(15, 8)) >> 8;
ctdp_level->avx512_p1 = (resp & GENMASK(23, 16)) >> 16;
debug_printf(
"cpu:%d ctdp:%d CONFIG_TDP_GET_P1_INFO resp:%x sse_p1:%d avx2_p1:%d avx512_p1:%d\n",
cpu, config_index, resp, ctdp_level->sse_p1,
ctdp_level->avx2_p1, ctdp_level->avx512_p1);
}
void isst_get_uncore_mem_freq(int cpu, int config_index,
struct isst_pkg_ctdp_level_info *ctdp_level)
{
unsigned int resp;
int ret;
ret = isst_send_mbox_command(cpu, CONFIG_TDP, CONFIG_TDP_GET_MEM_FREQ,
0, config_index, &resp);
if (ret) {
ctdp_level->mem_freq = 0;
return;
}
ctdp_level->mem_freq = resp & GENMASK(7, 0);
debug_printf(
"cpu:%d ctdp:%d CONFIG_TDP_GET_MEM_FREQ resp:%x uncore mem_freq:%d\n",
cpu, config_index, resp, ctdp_level->mem_freq);
}
int isst_get_tjmax_info(int cpu, int config_index,
struct isst_pkg_ctdp_level_info *ctdp_level)
{
unsigned int resp;
int ret;
ret = isst_send_mbox_command(cpu, CONFIG_TDP, CONFIG_TDP_GET_TJMAX_INFO,
0, config_index, &resp);
if (ret)
return ret;
ctdp_level->t_proc_hot = resp & GENMASK(7, 0);
debug_printf(
"cpu:%d ctdp:%d CONFIG_TDP_GET_TJMAX_INFO resp:%x t_proc_hot:%d\n",
cpu, config_index, resp, ctdp_level->t_proc_hot);
return 0;
}
int isst_get_coremask_info(int cpu, int config_index,
struct isst_pkg_ctdp_level_info *ctdp_level)
{
unsigned int resp;
int i, ret;
ctdp_level->cpu_count = 0;
for (i = 0; i < 2; ++i) {
unsigned long long mask;
int cpu_count = 0;
ret = isst_send_mbox_command(cpu, CONFIG_TDP,
CONFIG_TDP_GET_CORE_MASK, 0,
(i << 8) | config_index, &resp);
if (ret)
return ret;
debug_printf(
"cpu:%d ctdp:%d mask:%d CONFIG_TDP_GET_CORE_MASK resp:%x\n",
cpu, config_index, i, resp);
mask = (unsigned long long)resp << (32 * i);
set_cpu_mask_from_punit_coremask(cpu, mask,
ctdp_level->core_cpumask_size,
ctdp_level->core_cpumask,
&cpu_count);
ctdp_level->cpu_count += cpu_count;
debug_printf("cpu:%d ctdp:%d mask:%d cpu count:%d\n", cpu,
config_index, i, ctdp_level->cpu_count);
}
return 0;
}
int isst_get_get_trl_from_msr(int cpu, int *trl)
{
unsigned long long msr_trl;
int ret;
ret = isst_send_msr_command(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(int cpu, int level, int avx_level, int *trl)
{
unsigned int req, resp;
int ret;
req = level | (avx_level << 16);
ret = isst_send_mbox_command(cpu, CONFIG_TDP,
CONFIG_TDP_GET_TURBO_LIMIT_RATIOS, 0, req,
&resp);
if (ret)
return ret;
debug_printf(
"cpu:%d CONFIG_TDP_GET_TURBO_LIMIT_RATIOS req:%x resp:%x\n",
cpu, req, resp);
trl[0] = resp & GENMASK(7, 0);
trl[1] = (resp & GENMASK(15, 8)) >> 8;
trl[2] = (resp & GENMASK(23, 16)) >> 16;
trl[3] = (resp & GENMASK(31, 24)) >> 24;
req = level | BIT(8) | (avx_level << 16);
ret = isst_send_mbox_command(cpu, CONFIG_TDP,
CONFIG_TDP_GET_TURBO_LIMIT_RATIOS, 0, req,
&resp);
if (ret)
return ret;
debug_printf("cpu:%d CONFIG_TDP_GET_TURBO_LIMIT req:%x resp:%x\n", cpu,
req, resp);
trl[4] = resp & GENMASK(7, 0);
trl[5] = (resp & GENMASK(15, 8)) >> 8;
trl[6] = (resp & GENMASK(23, 16)) >> 16;
trl[7] = (resp & GENMASK(31, 24)) >> 24;
return 0;
}
int isst_get_trl_bucket_info(int cpu, unsigned long long *buckets_info)
{
int ret;
debug_printf("cpu:%d bucket info via MSR\n", cpu);
*buckets_info = 0;
ret = isst_send_msr_command(cpu, 0x1ae, 0, buckets_info);
if (ret)
return ret;
debug_printf("cpu:%d bucket info via MSR successful 0x%llx\n", cpu,
*buckets_info);
return 0;
}
int isst_set_tdp_level_msr(int cpu, int tdp_level)
{
unsigned long long level = tdp_level;
int ret;
debug_printf("cpu: tdp_level via MSR %d\n", cpu, tdp_level);
if (isst_get_config_tdp_lock_status(cpu)) {
debug_printf("cpu: tdp_locked %d\n", cpu);
return -1;
}
if (tdp_level > 2)
return -1; /* invalid value */
ret = isst_send_msr_command(cpu, 0x64b, 1, &level);
if (ret)
return ret;
debug_printf("cpu: tdp_level via MSR successful %d\n", cpu, tdp_level);
return 0;
}
int isst_set_tdp_level(int cpu, int tdp_level)
{
unsigned int resp;
int ret;
ret = isst_send_mbox_command(cpu, CONFIG_TDP, CONFIG_TDP_SET_LEVEL, 0,
tdp_level, &resp);
if (ret)
return isst_set_tdp_level_msr(cpu, tdp_level);
return 0;
}
int isst_get_pbf_info(int cpu, int level, struct isst_pbf_info *pbf_info)
{
int i, ret, core_cnt, max;
unsigned int req, resp;
pbf_info->core_cpumask_size = alloc_cpu_set(&pbf_info->core_cpumask);
core_cnt = get_core_count(get_physical_package_id(cpu), get_physical_die_id(cpu));
max = core_cnt > 32 ? 2 : 1;
for (i = 0; i < max; ++i) {
unsigned long long mask;
int count;
ret = isst_send_mbox_command(cpu, CONFIG_TDP,
CONFIG_TDP_PBF_GET_CORE_MASK_INFO,
0, (i << 8) | level, &resp);
if (ret)
break;
debug_printf(
"cpu:%d CONFIG_TDP_PBF_GET_CORE_MASK_INFO resp:%x\n",
cpu, resp);
mask = (unsigned long long)resp << (32 * i);
set_cpu_mask_from_punit_coremask(cpu, mask,
pbf_info->core_cpumask_size,
pbf_info->core_cpumask,
&count);
}
req = level;
ret = isst_send_mbox_command(cpu, CONFIG_TDP,
CONFIG_TDP_PBF_GET_P1HI_P1LO_INFO, 0, req,
&resp);
if (ret)
return ret;
debug_printf("cpu:%d CONFIG_TDP_PBF_GET_P1HI_P1LO_INFO resp:%x\n", cpu,
resp);
pbf_info->p1_low = resp & 0xff;
pbf_info->p1_high = (resp & GENMASK(15, 8)) >> 8;
req = level;
ret = isst_send_mbox_command(
cpu, CONFIG_TDP, CONFIG_TDP_PBF_GET_TDP_INFO, 0, req, &resp);
if (ret)
return ret;
debug_printf("cpu:%d CONFIG_TDP_PBF_GET_TDP_INFO resp:%x\n", cpu, resp);
pbf_info->tdp = resp & 0xffff;
req = level;
ret = isst_send_mbox_command(
cpu, CONFIG_TDP, CONFIG_TDP_PBF_GET_TJ_MAX_INFO, 0, req, &resp);
if (ret)
return ret;
debug_printf("cpu:%d CONFIG_TDP_PBF_GET_TJ_MAX_INFO resp:%x\n", cpu,
resp);
pbf_info->t_control = (resp >> 8) & 0xff;
pbf_info->t_prochot = resp & 0xff;
return 0;
}
void isst_get_pbf_info_complete(struct isst_pbf_info *pbf_info)
{
free_cpu_set(pbf_info->core_cpumask);
}
int isst_set_pbf_fact_status(int cpu, int pbf, int enable)
{
struct isst_pkg_ctdp pkg_dev;
struct isst_pkg_ctdp_level_info ctdp_level;
int current_level;
unsigned int req = 0, resp;
int ret;
ret = isst_get_ctdp_levels(cpu, &pkg_dev);
if (ret)
debug_printf("cpu:%d No support for dynamic ISST\n", cpu);
current_level = pkg_dev.current_level;
ret = isst_get_ctdp_control(cpu, current_level, &ctdp_level);
if (ret)
return ret;
if (pbf) {
if (ctdp_level.fact_enabled)
req = BIT(16);
if (enable)
req |= BIT(17);
else
req &= ~BIT(17);
} else {
if (ctdp_level.pbf_enabled)
req = BIT(17);
if (enable)
req |= BIT(16);
else
req &= ~BIT(16);
}
ret = isst_send_mbox_command(cpu, CONFIG_TDP,
CONFIG_TDP_SET_TDP_CONTROL, 0, req, &resp);
if (ret)
return ret;
debug_printf("cpu:%d CONFIG_TDP_SET_TDP_CONTROL pbf/fact:%d req:%x\n",
cpu, pbf, req);
return 0;
}
int isst_get_fact_bucket_info(int cpu, int level,
struct isst_fact_bucket_info *bucket_info)
{
unsigned int resp;
int i, k, ret;
for (i = 0; i < 2; ++i) {
int j;
ret = isst_send_mbox_command(
cpu, CONFIG_TDP,
CONFIG_TDP_GET_FACT_HP_TURBO_LIMIT_NUMCORES, 0,
(i << 8) | level, &resp);
if (ret)
return ret;
debug_printf(
"cpu:%d CONFIG_TDP_GET_FACT_HP_TURBO_LIMIT_NUMCORES index:%d level:%d resp:%x\n",
cpu, i, level, resp);
for (j = 0; j < 4; ++j) {
bucket_info[j + (i * 4)].high_priority_cores_count =
(resp >> (j * 8)) & 0xff;
}
}
for (k = 0; k < 3; ++k) {
for (i = 0; i < 2; ++i) {
int j;
ret = isst_send_mbox_command(
cpu, CONFIG_TDP,
CONFIG_TDP_GET_FACT_HP_TURBO_LIMIT_RATIOS, 0,
(k << 16) | (i << 8) | level, &resp);
if (ret)
return ret;
debug_printf(
"cpu:%d CONFIG_TDP_GET_FACT_HP_TURBO_LIMIT_RATIOS index:%d level:%d avx:%d resp:%x\n",
cpu, i, level, k, resp);
for (j = 0; j < 4; ++j) {
switch (k) {
case 0:
bucket_info[j + (i * 4)].sse_trl =
(resp >> (j * 8)) & 0xff;
break;
case 1:
bucket_info[j + (i * 4)].avx_trl =
(resp >> (j * 8)) & 0xff;
break;
case 2:
bucket_info[j + (i * 4)].avx512_trl =
(resp >> (j * 8)) & 0xff;
break;
default:
break;
}
}
}
}
return 0;
}
int isst_get_fact_info(int cpu, int level, struct isst_fact_info *fact_info)
{
unsigned int resp;
int ret;
ret = isst_send_mbox_command(cpu, CONFIG_TDP,
CONFIG_TDP_GET_FACT_LP_CLIPPING_RATIO, 0,
level, &resp);
if (ret)
return ret;
debug_printf("cpu:%d CONFIG_TDP_GET_FACT_LP_CLIPPING_RATIO resp:%x\n",
cpu, resp);
fact_info->lp_clipping_ratio_license_sse = resp & 0xff;
fact_info->lp_clipping_ratio_license_avx2 = (resp >> 8) & 0xff;
fact_info->lp_clipping_ratio_license_avx512 = (resp >> 16) & 0xff;
ret = isst_get_fact_bucket_info(cpu, level, fact_info->bucket_info);
return ret;
}
int isst_set_trl(int cpu, unsigned long long trl)
{
int ret;
if (!trl)
trl = 0xFFFFFFFFFFFFFFFFULL;
ret = isst_send_msr_command(cpu, 0x1AD, 1, &trl);
if (ret)
return ret;
return 0;
}
int isst_set_trl_from_current_tdp(int cpu, unsigned long long trl)
{
unsigned long long msr_trl;
int ret;
if (trl) {
msr_trl = trl;
} else {
struct isst_pkg_ctdp pkg_dev;
int trl[8];
int i;
ret = isst_get_ctdp_levels(cpu, &pkg_dev);
if (ret)
return ret;
ret = isst_get_get_trl(cpu, 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_trl |= (_trl << (i * 8));
}
}
ret = isst_send_msr_command(cpu, 0x1AD, 1, &msr_trl);
if (ret)
return ret;
return 0;
}
/* Return 1 if locked */
int isst_get_config_tdp_lock_status(int cpu)
{
unsigned long long tdp_control = 0;
int ret;
ret = isst_send_msr_command(cpu, 0x64b, 0, &tdp_control);
if (ret)
return ret;
ret = !!(tdp_control & BIT(31));
return ret;
}
void isst_get_process_ctdp_complete(int cpu, 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);
}
}
int isst_get_process_ctdp(int cpu, int tdp_level, struct isst_pkg_ctdp *pkg_dev)
{
int i, ret;
if (pkg_dev->processed)
return 0;
ret = isst_get_ctdp_levels(cpu, pkg_dev);
if (ret)
return ret;
debug_printf("cpu: %d ctdp enable:%d current level: %d levels:%d\n",
cpu, pkg_dev->enabled, pkg_dev->current_level,
pkg_dev->levels);
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", cpu,
i);
ctdp_level = &pkg_dev->ctdp_level[i];
ctdp_level->level = i;
ctdp_level->control_cpu = cpu;
ctdp_level->pkg_id = get_physical_package_id(cpu);
ctdp_level->die_id = get_physical_die_id(cpu);
ret = isst_get_ctdp_control(cpu, i, ctdp_level);
if (ret)
continue;
pkg_dev->processed = 1;
ctdp_level->processed = 1;
if (ctdp_level->pbf_support) {
ret = isst_get_pbf_info(cpu, i, &ctdp_level->pbf_info);
if (!ret)
ctdp_level->pbf_found = 1;
}
if (ctdp_level->fact_support) {
ret = isst_get_fact_info(cpu, i,
&ctdp_level->fact_info);
if (ret)
return ret;
}
if (!pkg_dev->enabled) {
int freq;
freq = get_cpufreq_base_freq(cpu);
if (freq > 0) {
ctdp_level->sse_p1 = freq / 100000;
ctdp_level->tdp_ratio = ctdp_level->sse_p1;
}
isst_get_get_trl_from_msr(cpu, ctdp_level->trl_sse_active_cores);
isst_get_trl_bucket_info(cpu, &ctdp_level->buckets_info);
continue;
}
ret = isst_get_tdp_info(cpu, i, ctdp_level);
if (ret)
return ret;
ret = isst_get_pwr_info(cpu, i, ctdp_level);
if (ret)
return ret;
ret = isst_get_tjmax_info(cpu, i, ctdp_level);
if (ret)
return ret;
ctdp_level->core_cpumask_size =
alloc_cpu_set(&ctdp_level->core_cpumask);
ret = isst_get_coremask_info(cpu, i, ctdp_level);
if (ret)
return ret;
ret = isst_get_trl_bucket_info(cpu, &ctdp_level->buckets_info);
if (ret)
return ret;
ret = isst_get_get_trl(cpu, i, 0,
ctdp_level->trl_sse_active_cores);
if (ret)
return ret;
ret = isst_get_get_trl(cpu, i, 1,
ctdp_level->trl_avx_active_cores);
if (ret)
return ret;
ret = isst_get_get_trl(cpu, i, 2,
ctdp_level->trl_avx_512_active_cores);
if (ret)
return ret;
isst_get_uncore_p0_p1_info(cpu, i, ctdp_level);
isst_get_p1_info(cpu, i, ctdp_level);
isst_get_uncore_mem_freq(cpu, i, ctdp_level);
}
return 0;
}
int isst_clos_get_clos_information(int cpu, int *enable, int *type)
{
unsigned int resp;
int ret;
ret = isst_send_mbox_command(cpu, CONFIG_CLOS, CLOS_PM_QOS_CONFIG, 0, 0,
&resp);
if (ret)
return ret;
debug_printf("cpu:%d CLOS_PM_QOS_CONFIG resp:%x\n", cpu, resp);
if (resp & BIT(1))
*enable = 1;
else
*enable = 0;
if (resp & BIT(2))
*type = 1;
else
*type = 0;
return 0;
}
int isst_pm_qos_config(int cpu, int enable_clos, int priority_type)
{
unsigned int req, resp;
int ret;
if (!enable_clos) {
struct isst_pkg_ctdp pkg_dev;
struct isst_pkg_ctdp_level_info ctdp_level;
ret = isst_get_ctdp_levels(cpu, &pkg_dev);
if (ret) {
debug_printf("isst_get_ctdp_levels\n");
return ret;
}
ret = isst_get_ctdp_control(cpu, pkg_dev.current_level,
&ctdp_level);
if (ret)
return ret;
if (ctdp_level.fact_enabled) {
debug_printf("Turbo-freq feature must be disabled first\n");
return -EINVAL;
}
ret = isst_write_pm_config(cpu, 0);
if (ret)
perror("isst_write_pm_config\n");
} else {
ret = isst_write_pm_config(cpu, 1);
if (ret)
perror("isst_write_pm_config\n");
}
ret = isst_send_mbox_command(cpu, CONFIG_CLOS, CLOS_PM_QOS_CONFIG, 0, 0,
&resp);
if (ret)
return ret;
debug_printf("cpu:%d CLOS_PM_QOS_CONFIG resp:%x\n", cpu, resp);
req = resp;
if (enable_clos)
req = req | BIT(1);
else
req = req & ~BIT(1);
if (priority_type)
req = req | BIT(2);
else
req = req & ~BIT(2);
ret = isst_send_mbox_command(cpu, CONFIG_CLOS, CLOS_PM_QOS_CONFIG,
BIT(MBOX_CMD_WRITE_BIT), req, &resp);
if (ret)
return ret;
debug_printf("cpu:%d CLOS_PM_QOS_CONFIG priority type:%d req:%x\n", cpu,
priority_type, req);
return 0;
}
int isst_pm_get_clos(int cpu, int clos, struct isst_clos_config *clos_config)
{
unsigned int resp;
int ret;
ret = isst_send_mbox_command(cpu, CONFIG_CLOS, CLOS_PM_CLOS, clos, 0,
&resp);
if (ret)
return ret;
clos_config->pkg_id = get_physical_package_id(cpu);
clos_config->die_id = get_physical_die_id(cpu);
clos_config->epp = resp & 0x0f;
clos_config->clos_prop_prio = (resp >> 4) & 0x0f;
clos_config->clos_min = (resp >> 8) & 0xff;
clos_config->clos_max = (resp >> 16) & 0xff;
clos_config->clos_desired = (resp >> 24) & 0xff;
return 0;
}
int isst_set_clos(int cpu, int clos, struct isst_clos_config *clos_config)
{
unsigned int req, resp;
unsigned int param;
int ret;
req = clos_config->epp & 0x0f;
req |= (clos_config->clos_prop_prio & 0x0f) << 4;
req |= (clos_config->clos_min & 0xff) << 8;
req |= (clos_config->clos_max & 0xff) << 16;
req |= (clos_config->clos_desired & 0xff) << 24;
param = BIT(MBOX_CMD_WRITE_BIT) | clos;
ret = isst_send_mbox_command(cpu, CONFIG_CLOS, CLOS_PM_CLOS, param, req,
&resp);
if (ret)
return ret;
debug_printf("cpu:%d CLOS_PM_CLOS param:%x req:%x\n", cpu, param, req);
return 0;
}
int isst_clos_get_assoc_status(int cpu, int *clos_id)
{
unsigned int resp;
unsigned int param;
int core_id, ret;
core_id = find_phy_core_num(cpu);
param = core_id;
ret = isst_send_mbox_command(cpu, CONFIG_CLOS, CLOS_PQR_ASSOC, param, 0,
&resp);
if (ret)
return ret;
debug_printf("cpu:%d CLOS_PQR_ASSOC param:%x resp:%x\n", cpu, param,
resp);
*clos_id = (resp >> 16) & 0x03;
return 0;
}
int isst_clos_associate(int cpu, int clos_id)
{
unsigned int req, resp;
unsigned int param;
int core_id, ret;
req = (clos_id & 0x03) << 16;
core_id = find_phy_core_num(cpu);
param = BIT(MBOX_CMD_WRITE_BIT) | core_id;
ret = isst_send_mbox_command(cpu, CONFIG_CLOS, CLOS_PQR_ASSOC, param,
req, &resp);
if (ret)
return ret;
debug_printf("cpu:%d CLOS_PQR_ASSOC param:%x req:%x\n", cpu, param,
req);
return 0;
}
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