// SPDX-License-Identifier: GPL-2.0
/*
* Intel Speed Select -- Enumerate and control features for Mailbox Interface
* Copyright (c) 2023 Intel Corporation.
*/
#include "isst.h"
static int mbox_delay;
static int mbox_retries = 3;
#define MAX_TRL_LEVELS_EMR 5
static int mbox_get_disp_freq_multiplier(void)
{
return DISP_FREQ_MULTIPLIER;
}
static int mbox_get_trl_max_levels(void)
{
if (is_emr_platform())
return MAX_TRL_LEVELS_EMR;
return 3;
}
static char *mbox_get_trl_level_name(int level)
{
if (is_emr_platform()) {
static char level_str[18];
if (level >= MAX_TRL_LEVELS_EMR)
return NULL;
snprintf(level_str, sizeof(level_str), "level-%d", level);
return level_str;
}
switch (level) {
case 0:
return "sse";
case 1:
return "avx2";
case 2:
return "avx512";
default:
return NULL;
}
}
static void mbox_update_platform_param(enum isst_platform_param param, int value)
{
switch (param) {
case ISST_PARAM_MBOX_DELAY:
mbox_delay = value;
break;
case ISST_PARAM_MBOX_RETRIES:
mbox_retries = value;
break;
default:
break;
}
}
static int mbox_is_punit_valid(struct isst_id *id)
{
if (id->cpu < 0)
return 0;
if (id->pkg < 0 || id->die < 0 || id->punit)
return 0;
return 1;
}
static int _send_mmio_command(unsigned int cpu, unsigned int reg, int write,
unsigned int *value)
{
struct isst_if_io_regs io_regs;
const char *pathname = "/dev/isst_interface";
int cmd;
FILE *outf = get_output_file();
int fd;
debug_printf("mmio_cmd cpu:%d reg:%d write:%d\n", cpu, reg, write);
fd = open(pathname, O_RDWR);
if (fd < 0)
err(-1, "%s open failed", pathname);
io_regs.req_count = 1;
io_regs.io_reg[0].logical_cpu = cpu;
io_regs.io_reg[0].reg = reg;
cmd = ISST_IF_IO_CMD;
if (write) {
io_regs.io_reg[0].read_write = 1;
io_regs.io_reg[0].value = *value;
} else {
io_regs.io_reg[0].read_write = 0;
}
if (ioctl(fd, cmd, &io_regs) == -1) {
if (errno == ENOTTY) {
perror("ISST_IF_IO_COMMAND\n");
fprintf(stderr, "Check presence of kernel modules: isst_if_mmio\n");
exit(0);
}
fprintf(outf, "Error: mmio_cmd cpu:%d reg:%x read_write:%x\n",
cpu, reg, write);
} else {
if (!write)
*value = io_regs.io_reg[0].value;
debug_printf(
"mmio_cmd response: cpu:%d reg:%x rd_write:%x resp:%x\n",
cpu, reg, write, *value);
}
close(fd);
return 0;
}
int _send_mbox_command(unsigned int cpu, unsigned char command,
unsigned char sub_command, unsigned int parameter,
unsigned int req_data, unsigned int *resp)
{
const char *pathname = "/dev/isst_interface";
int fd, retry;
struct isst_if_mbox_cmds mbox_cmds = { 0 };
debug_printf(
"mbox_send: cpu:%d command:%x sub_command:%x parameter:%x req_data:%x\n",
cpu, command, sub_command, parameter, req_data);
if (!is_skx_based_platform() && command == CONFIG_CLOS &&
sub_command != CLOS_PM_QOS_CONFIG) {
unsigned int value;
int write = 0;
int clos_id, core_id, ret = 0;
debug_printf("CPU %d\n", cpu);
if (parameter & BIT(MBOX_CMD_WRITE_BIT)) {
value = req_data;
write = 1;
}
switch (sub_command) {
case CLOS_PQR_ASSOC:
core_id = parameter & 0xff;
ret = _send_mmio_command(
cpu, PQR_ASSOC_OFFSET + core_id * 4, write,
&value);
if (!ret && !write)
*resp = value;
break;
case CLOS_PM_CLOS:
clos_id = parameter & 0x03;
ret = _send_mmio_command(
cpu, PM_CLOS_OFFSET + clos_id * 4, write,
&value);
if (!ret && !write)
*resp = value;
break;
case CLOS_STATUS:
break;
default:
break;
}
return ret;
}
mbox_cmds.cmd_count = 1;
mbox_cmds.mbox_cmd[0].logical_cpu = cpu;
mbox_cmds.mbox_cmd[0].command = command;
mbox_cmds.mbox_cmd[0].sub_command = sub_command;
mbox_cmds.mbox_cmd[0].parameter = parameter;
mbox_cmds.mbox_cmd[0].req_data = req_data;
if (mbox_delay)
usleep(mbox_delay * 1000);
fd = open(pathname, O_RDWR);
if (fd < 0)
err(-1, "%s open failed", pathname);
retry = mbox_retries;
do {
if (ioctl(fd, ISST_IF_MBOX_COMMAND, &mbox_cmds) == -1) {
if (errno == ENOTTY) {
perror("ISST_IF_MBOX_COMMAND\n");
fprintf(stderr, "Check presence of kernel modules: isst_if_mbox_pci or isst_if_mbox_msr\n");
exit(0);
}
debug_printf(
"Error: mbox_cmd cpu:%d command:%x sub_command:%x parameter:%x req_data:%x errorno:%d\n",
cpu, command, sub_command, parameter, req_data, errno);
--retry;
} else {
*resp = mbox_cmds.mbox_cmd[0].resp_data;
debug_printf(
"mbox_cmd response: cpu:%d command:%x sub_command:%x parameter:%x req_data:%x resp:%x\n",
cpu, command, sub_command, parameter, req_data, *resp);
break;
}
} while (retry);
close(fd);
if (!retry) {
debug_printf("Failed mbox command even after retries\n");
return -1;
}
return 0;
}
static int mbox_read_pm_config(struct isst_id *id, int *cp_state, int *cp_cap)
{
unsigned int resp;
int ret;
ret = _send_mbox_command(id->cpu, READ_PM_CONFIG, PM_FEATURE, 0, 0,
&resp);
if (ret)
return ret;
debug_printf("cpu:%d READ_PM_CONFIG resp:%x\n", id->cpu, resp);
*cp_state = resp & BIT(16);
*cp_cap = resp & BIT(0) ? 1 : 0;
return 0;
}
static int mbox_get_config_levels(struct isst_id *id, struct isst_pkg_ctdp *pkg_dev)
{
unsigned int resp;
int ret;
ret = _send_mbox_command(id->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", id->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;
}
static int mbox_get_ctdp_control(struct isst_id *id, int config_index,
struct isst_pkg_ctdp_level_info *ctdp_level)
{
int cp_state, cp_cap;
unsigned int resp;
int ret;
ret = _send_mbox_command(id->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(id, &cp_state, &cp_cap);
if (ret) {
debug_printf("cpu:%d pm_config is not supported\n", id->cpu);
} else {
debug_printf("cpu:%d pm_config SST-CP state:%d cap:%d\n", id->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",
id->cpu, resp, ctdp_level->fact_support, ctdp_level->pbf_support,
ctdp_level->fact_enabled, ctdp_level->pbf_enabled);
return 0;
}
static void _get_uncore_p0_p1_info(struct isst_id *id, int config_index,
struct isst_pkg_ctdp_level_info *ctdp_level)
{
unsigned int resp;
int ret;
ctdp_level->uncore_pm = 0;
ctdp_level->uncore_p0 = 0;
ctdp_level->uncore_p1 = 0;
ret = _send_mbox_command(id->cpu, CONFIG_TDP,
CONFIG_TDP_GET_RATIO_INFO, 0,
(BIT(16) | config_index) , &resp);
if (ret) {
goto try_uncore_mbox;
}
ctdp_level->uncore_p0 = resp & GENMASK(7, 0);
ctdp_level->uncore_p1 = (resp & GENMASK(15, 8)) >> 8;
ctdp_level->uncore_pm = (resp & GENMASK(31, 24)) >> 24;
debug_printf(
"cpu:%d ctdp:%d CONFIG_TDP_GET_RATIO_INFO resp:%x uncore p0:%d uncore p1:%d uncore pm:%d\n",
id->cpu, config_index, resp, ctdp_level->uncore_p0, ctdp_level->uncore_p1,
ctdp_level->uncore_pm);
return;
try_uncore_mbox:
ret = _send_mbox_command(id->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",
id->cpu, config_index, resp, ctdp_level->uncore_p0,
ctdp_level->uncore_p1);
}
static int _set_uncore_min_max(struct isst_id *id, int max, int freq)
{
char buffer[128], freq_str[16];
int fd, ret, len;
if (max)
snprintf(buffer, sizeof(buffer),
"/sys/devices/system/cpu/intel_uncore_frequency/package_%02d_die_%02d/max_freq_khz", id->pkg, id->die);
else
snprintf(buffer, sizeof(buffer),
"/sys/devices/system/cpu/intel_uncore_frequency/package_%02d_die_%02d/min_freq_khz", id->pkg, id->die);
fd = open(buffer, O_WRONLY);
if (fd < 0)
return fd;
snprintf(freq_str, sizeof(freq_str), "%d", freq);
len = strlen(freq_str);
ret = write(fd, freq_str, len);
if (ret == -1) {
close(fd);
return ret;
}
close(fd);
return 0;
}
static void mbox_adjust_uncore_freq(struct isst_id *id, int config_index,
struct isst_pkg_ctdp_level_info *ctdp_level)
{
_get_uncore_p0_p1_info(id, config_index, ctdp_level);
if (ctdp_level->uncore_pm)
_set_uncore_min_max(id, 0, ctdp_level->uncore_pm * 100000);
if (ctdp_level->uncore_p0)
_set_uncore_min_max(id, 1, ctdp_level->uncore_p0 * 100000);
}
static void _get_p1_info(struct isst_id *id, int config_index,
struct isst_pkg_ctdp_level_info *ctdp_level)
{
unsigned int resp;
int ret;
ret = _send_mbox_command(id->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;
ctdp_level->amx_p1 = (resp & GENMASK(31, 24)) >> 24;
debug_printf(
"cpu:%d ctdp:%d CONFIG_TDP_GET_P1_INFO resp:%x sse_p1:%d avx2_p1:%d avx512_p1:%d amx_p1:%d\n",
id->cpu, config_index, resp, ctdp_level->sse_p1,
ctdp_level->avx2_p1, ctdp_level->avx512_p1, ctdp_level->amx_p1);
}
static void _get_uncore_mem_freq(struct isst_id *id, int config_index,
struct isst_pkg_ctdp_level_info *ctdp_level)
{
unsigned int resp;
int ret;
ret = _send_mbox_command(id->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);
if (is_spr_platform() || is_emr_platform()) {
ctdp_level->mem_freq *= 200;
} else if (is_icx_platform()) {
if (ctdp_level->mem_freq < 7) {
ctdp_level->mem_freq = (12 - ctdp_level->mem_freq) * 133.33 * 2 * 10;
ctdp_level->mem_freq /= 10;
if (ctdp_level->mem_freq % 10 > 5)
ctdp_level->mem_freq++;
} else {
ctdp_level->mem_freq = 0;
}
} else {
ctdp_level->mem_freq = 0;
}
debug_printf(
"cpu:%d ctdp:%d CONFIG_TDP_GET_MEM_FREQ resp:%x uncore mem_freq:%d\n",
id->cpu, config_index, resp, ctdp_level->mem_freq);
}
static int mbox_get_tdp_info(struct isst_id *id, int config_index,
struct isst_pkg_ctdp_level_info *ctdp_level)
{
unsigned int resp;
int ret;
ret = _send_mbox_command(id->cpu, CONFIG_TDP, CONFIG_TDP_GET_TDP_INFO,
0, config_index, &resp);
if (ret) {
isst_display_error_info_message(1, "Invalid level, Can't get TDP information at level", 1, config_index);
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",
id->cpu, config_index, resp, ctdp_level->tdp_ratio,
ctdp_level->pkg_tdp);
ret = _send_mbox_command(id->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);
_get_uncore_p0_p1_info(id, config_index, ctdp_level);
_get_p1_info(id, config_index, ctdp_level);
_get_uncore_mem_freq(id, config_index, ctdp_level);
debug_printf(
"cpu:%d ctdp:%d CONFIG_TDP_GET_TJMAX_INFO resp:%x t_proc_hot:%d\n",
id->cpu, config_index, resp, ctdp_level->t_proc_hot);
return 0;
}
static int mbox_get_pwr_info(struct isst_id *id, int config_index,
struct isst_pkg_ctdp_level_info *ctdp_level)
{
unsigned int resp;
int ret;
ret = _send_mbox_command(id->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",
id->cpu, config_index, resp, ctdp_level->pkg_max_power,
ctdp_level->pkg_min_power);
return 0;
}
static int mbox_get_coremask_info(struct isst_id *id, 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 = _send_mbox_command(id->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",
id->cpu, config_index, i, resp);
mask = (unsigned long long)resp << (32 * i);
set_cpu_mask_from_punit_coremask(id, 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", id->cpu,
config_index, i, ctdp_level->cpu_count);
}
return 0;
}
static int mbox_get_get_trl(struct isst_id *id, int level, int avx_level, int *trl)
{
unsigned int req, resp;
int ret;
req = level | (avx_level << 16);
ret = _send_mbox_command(id->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",
id->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 = _send_mbox_command(id->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", id->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;
}
static int mbox_get_get_trls(struct isst_id *id, int level, struct isst_pkg_ctdp_level_info *ctdp_level)
{
int trl_max_levels = isst_get_trl_max_levels();
int i, ret;
for (i = 0; i < trl_max_levels; i++) {
ret = mbox_get_get_trl(id, level, i, ctdp_level->trl_ratios[i]);
if (ret)
return ret;
}
return 0;
}
static int mbox_get_trl_bucket_info(struct isst_id *id, int level, unsigned long long *buckets_info)
{
int ret;
debug_printf("cpu:%d bucket info via MSR\n", id->cpu);
*buckets_info = 0;
ret = isst_send_msr_command(id->cpu, 0x1ae, 0, buckets_info);
if (ret)
return ret;
debug_printf("cpu:%d bucket info via MSR successful 0x%llx\n", id->cpu,
*buckets_info);
return 0;
}
static int mbox_set_tdp_level(struct isst_id *id, int tdp_level)
{
unsigned int resp;
int ret;
if (isst_get_config_tdp_lock_status(id)) {
isst_display_error_info_message(1, "TDP is locked", 0, 0);
return -1;
}
ret = _send_mbox_command(id->cpu, CONFIG_TDP, CONFIG_TDP_SET_LEVEL, 0,
tdp_level, &resp);
if (ret) {
isst_display_error_info_message(1, "Set TDP level failed for level", 1, tdp_level);
return ret;
}
return 0;
}
static int mbox_get_pbf_info(struct isst_id *id, int level, struct isst_pbf_info *pbf_info)
{
int max_punit_core, max_mask_index;
unsigned int req, resp;
int i, ret;
max_punit_core = get_max_punit_core_id(id);
max_mask_index = max_punit_core > 32 ? 2 : 1;
for (i = 0; i < max_mask_index; ++i) {
unsigned long long mask;
int count;
ret = _send_mbox_command(id->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",
id->cpu, resp);
mask = (unsigned long long)resp << (32 * i);
set_cpu_mask_from_punit_coremask(id, mask,
pbf_info->core_cpumask_size,
pbf_info->core_cpumask,
&count);
}
req = level;
ret = _send_mbox_command(id->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", id->cpu,
resp);
pbf_info->p1_low = resp & 0xff;
pbf_info->p1_high = (resp & GENMASK(15, 8)) >> 8;
req = level;
ret = _send_mbox_command(
id->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", id->cpu, resp);
pbf_info->tdp = resp & 0xffff;
req = level;
ret = _send_mbox_command(
id->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", id->cpu,
resp);
pbf_info->t_control = (resp >> 8) & 0xff;
pbf_info->t_prochot = resp & 0xff;
return 0;
}
static int mbox_set_pbf_fact_status(struct isst_id *id, 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(id, &pkg_dev);
if (ret)
debug_printf("cpu:%d No support for dynamic ISST\n", id->cpu);
current_level = pkg_dev.current_level;
ret = isst_get_ctdp_control(id, 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 (enable && !ctdp_level.sst_cp_enabled)
isst_display_error_info_message(0, "Make sure to execute before: core-power enable", 0, 0);
if (ctdp_level.pbf_enabled)
req = BIT(17);
if (enable)
req |= BIT(16);
else
req &= ~BIT(16);
}
ret = _send_mbox_command(id->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",
id->cpu, pbf, req);
return 0;
}
static int _get_fact_bucket_info(struct isst_id *id, int level,
struct isst_fact_bucket_info *bucket_info)
{
int trl_max_levels = isst_get_trl_max_levels();
unsigned int resp;
int i, k, ret;
for (i = 0; i < 2; ++i) {
int j;
ret = _send_mbox_command(
id->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",
id->cpu, i, level, resp);
for (j = 0; j < 4; ++j) {
bucket_info[j + (i * 4)].hp_cores =
(resp >> (j * 8)) & 0xff;
}
}
for (k = 0; k < trl_max_levels; ++k) {
for (i = 0; i < 2; ++i) {
int j;
ret = _send_mbox_command(
id->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",
id->cpu, i, level, k, resp);
for (j = 0; j < 4; ++j) {
bucket_info[j + (i * 4)].hp_ratios[k] =
(resp >> (j * 8)) & 0xff;
}
}
}
return 0;
}
static int mbox_get_fact_info(struct isst_id *id, int level, int fact_bucket, struct isst_fact_info *fact_info)
{
unsigned int resp;
int j, ret, print;
ret = _send_mbox_command(id->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",
id->cpu, resp);
fact_info->lp_ratios[0] = resp & 0xff;
fact_info->lp_ratios[1] = (resp >> 8) & 0xff;
fact_info->lp_ratios[2] = (resp >> 16) & 0xff;
ret = _get_fact_bucket_info(id, level, fact_info->bucket_info);
if (ret)
return ret;
print = 0;
for (j = 0; j < ISST_FACT_MAX_BUCKETS; ++j) {
if (fact_bucket != 0xff && fact_bucket != j)
continue;
if (!fact_info->bucket_info[j].hp_cores)
break;
print = 1;
}
if (!print) {
isst_display_error_info_message(1, "Invalid bucket", 0, 0);
return -1;
}
return 0;
}
static int mbox_get_clos_information(struct isst_id *id, int *enable, int *type)
{
unsigned int resp;
int ret;
ret = _send_mbox_command(id->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", id->cpu, resp);
if (resp & BIT(1))
*enable = 1;
else
*enable = 0;
if (resp & BIT(2))
*type = 1;
else
*type = 0;
return 0;
}
static int _write_pm_config(struct isst_id *id, int cp_state)
{
unsigned int req, resp;
int ret;
if (cp_state)
req = BIT(16);
else
req = 0;
ret = _send_mbox_command(id->cpu, WRITE_PM_CONFIG, PM_FEATURE, 0, req,
&resp);
if (ret)
return ret;
debug_printf("cpu:%d WRITE_PM_CONFIG resp:%x\n", id->cpu, resp);
return 0;
}
static int mbox_pm_qos_config(struct isst_id *id, 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(id, &pkg_dev);
if (ret) {
debug_printf("isst_get_ctdp_levels\n");
return ret;
}
ret = isst_get_ctdp_control(id, pkg_dev.current_level,
&ctdp_level);
if (ret)
return ret;
if (ctdp_level.fact_enabled) {
isst_display_error_info_message(1, "Ignoring request, turbo-freq feature is still enabled", 0, 0);
return -EINVAL;
}
ret = _write_pm_config(id, 0);
if (ret)
isst_display_error_info_message(0, "WRITE_PM_CONFIG command failed, ignoring error", 0, 0);
} else {
ret = _write_pm_config(id, 1);
if (ret)
isst_display_error_info_message(0, "WRITE_PM_CONFIG command failed, ignoring error", 0, 0);
}
ret = _send_mbox_command(id->cpu, CONFIG_CLOS, CLOS_PM_QOS_CONFIG, 0, 0,
&resp);
if (ret) {
isst_display_error_info_message(1, "CLOS_PM_QOS_CONFIG command failed", 0, 0);
return ret;
}
debug_printf("cpu:%d CLOS_PM_QOS_CONFIG resp:%x\n", id->cpu, resp);
req = resp;
if (enable_clos)
req = req | BIT(1);
else
req = req & ~BIT(1);
if (priority_type > 1)
isst_display_error_info_message(1, "Invalid priority type: Changing type to ordered", 0, 0);
if (priority_type)
req = req | BIT(2);
else
req = req & ~BIT(2);
ret = _send_mbox_command(id->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", id->cpu,
priority_type, req);
return 0;
}
static int mbox_pm_get_clos(struct isst_id *id, int clos, struct isst_clos_config *clos_config)
{
unsigned int resp;
int ret;
ret = _send_mbox_command(id->cpu, CONFIG_CLOS, CLOS_PM_CLOS, clos, 0,
&resp);
if (ret)
return ret;
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;
}
static int mbox_set_clos(struct isst_id *id, 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 = _send_mbox_command(id->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", id->cpu, param, req);
return 0;
}
static int mbox_clos_get_assoc_status(struct isst_id *id, int *clos_id)
{
unsigned int resp;
unsigned int param;
int core_id, ret;
core_id = find_phy_core_num(id->cpu);
param = core_id;
ret = _send_mbox_command(id->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", id->cpu, param,
resp);
*clos_id = (resp >> 16) & 0x03;
return 0;
}
static int mbox_clos_associate(struct isst_id *id, 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(id->cpu);
param = BIT(MBOX_CMD_WRITE_BIT) | core_id;
ret = _send_mbox_command(id->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", id->cpu, param,
req);
return 0;
}
static struct isst_platform_ops mbox_ops = {
.get_disp_freq_multiplier = mbox_get_disp_freq_multiplier,
.get_trl_max_levels = mbox_get_trl_max_levels,
.get_trl_level_name = mbox_get_trl_level_name,
.update_platform_param = mbox_update_platform_param,
.is_punit_valid = mbox_is_punit_valid,
.read_pm_config = mbox_read_pm_config,
.get_config_levels = mbox_get_config_levels,
.get_ctdp_control = mbox_get_ctdp_control,
.get_tdp_info = mbox_get_tdp_info,
.get_pwr_info = mbox_get_pwr_info,
.get_coremask_info = mbox_get_coremask_info,
.get_get_trl = mbox_get_get_trl,
.get_get_trls = mbox_get_get_trls,
.get_trl_bucket_info = mbox_get_trl_bucket_info,
.set_tdp_level = mbox_set_tdp_level,
.get_pbf_info = mbox_get_pbf_info,
.set_pbf_fact_status = mbox_set_pbf_fact_status,
.get_fact_info = mbox_get_fact_info,
.adjust_uncore_freq = mbox_adjust_uncore_freq,
.get_clos_information = mbox_get_clos_information,
.pm_qos_config = mbox_pm_qos_config,
.pm_get_clos = mbox_pm_get_clos,
.set_clos = mbox_set_clos,
.clos_get_assoc_status = mbox_clos_get_assoc_status,
.clos_associate = mbox_clos_associate,
};
struct isst_platform_ops *mbox_get_platform_ops(void)
{
return &mbox_ops;
}
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