isst-config.c 55.8 KB
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// SPDX-License-Identifier: GPL-2.0
/*
 * Intel Speed Select -- Enumerate and control features
 * Copyright (c) 2019 Intel Corporation.
 */

#include <linux/isst_if.h>

#include "isst.h"

struct process_cmd_struct {
	char *feature;
	char *command;
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	void (*process_fn)(int arg);
	int arg;
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};

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static const char *version_str = "v1.2";
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static const int supported_api_ver = 1;
static struct isst_if_platform_info isst_platform_info;
static char *progname;
static int debug_flag;
static FILE *outf;

static int cpu_model;
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static int cpu_stepping;
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#define MAX_CPUS_IN_ONE_REQ 64
static short max_target_cpus;
static unsigned short target_cpus[MAX_CPUS_IN_ONE_REQ];

static int topo_max_cpus;
static size_t present_cpumask_size;
static cpu_set_t *present_cpumask;
static size_t target_cpumask_size;
static cpu_set_t *target_cpumask;
static int tdp_level = 0xFF;
static int fact_bucket = 0xFF;
static int fact_avx = 0xFF;
static unsigned long long fact_trl;
static int out_format_json;
static int cmd_help;
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static int force_online_offline;
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static int auto_mode;
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static int fact_enable_fail;
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/* clos related */
static int current_clos = -1;
static int clos_epp = -1;
static int clos_prop_prio = -1;
static int clos_min = -1;
static int clos_max = -1;
static int clos_desired = -1;
static int clos_priority_type;

struct _cpu_map {
	unsigned short core_id;
	unsigned short pkg_id;
	unsigned short die_id;
	unsigned short punit_cpu;
	unsigned short punit_cpu_core;
};
struct _cpu_map *cpu_map;

void debug_printf(const char *format, ...)
{
	va_list args;

	va_start(args, format);

	if (debug_flag)
		vprintf(format, args);

	va_end(args);
}

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int is_clx_n_platform(void)
{
	if (cpu_model == 0x55)
		if (cpu_stepping == 0x6 || cpu_stepping == 0x7)
			return 1;
	return 0;
}

static int update_cpu_model(void)
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{
	unsigned int ebx, ecx, edx;
	unsigned int fms, family;

	__cpuid(1, fms, ebx, ecx, edx);
	family = (fms >> 8) & 0xf;
	cpu_model = (fms >> 4) & 0xf;
	if (family == 6 || family == 0xf)
		cpu_model += ((fms >> 16) & 0xf) << 4;
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	cpu_stepping = fms & 0xf;
	/* only three CascadeLake-N models are supported */
	if (is_clx_n_platform()) {
		FILE *fp;
		size_t n = 0;
		char *line = NULL;
		int ret = 1;

		fp = fopen("/proc/cpuinfo", "r");
		if (!fp)
			err(-1, "cannot open /proc/cpuinfo\n");

		while (getline(&line, &n, fp) > 0) {
			if (strstr(line, "model name")) {
				if (strstr(line, "6252N") ||
				    strstr(line, "6230N") ||
				    strstr(line, "5218N"))
					ret = 0;
				break;
			}
		}
		free(line);
		fclose(fp);
		return ret;
	}
	return 0;
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}

/* Open a file, and exit on failure */
static FILE *fopen_or_exit(const char *path, const char *mode)
{
	FILE *filep = fopen(path, mode);

	if (!filep)
		err(1, "%s: open failed", path);

	return filep;
}

/* Parse a file containing a single int */
static int parse_int_file(int fatal, const char *fmt, ...)
{
	va_list args;
	char path[PATH_MAX];
	FILE *filep;
	int value;

	va_start(args, fmt);
	vsnprintf(path, sizeof(path), fmt, args);
	va_end(args);
	if (fatal) {
		filep = fopen_or_exit(path, "r");
	} else {
		filep = fopen(path, "r");
		if (!filep)
			return -1;
	}
	if (fscanf(filep, "%d", &value) != 1)
		err(1, "%s: failed to parse number from file", path);
	fclose(filep);

	return value;
}

int cpufreq_sysfs_present(void)
{
	DIR *dir;

	dir = opendir("/sys/devices/system/cpu/cpu0/cpufreq");
	if (dir) {
		closedir(dir);
		return 1;
	}

	return 0;
}

int out_format_is_json(void)
{
	return out_format_json;
}

int get_physical_package_id(int cpu)
{
	return parse_int_file(
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		0, "/sys/devices/system/cpu/cpu%d/topology/physical_package_id",
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		cpu);
}

int get_physical_core_id(int cpu)
{
	return parse_int_file(
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		0, "/sys/devices/system/cpu/cpu%d/topology/core_id", cpu);
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}

int get_physical_die_id(int cpu)
{
	int ret;

	ret = parse_int_file(0, "/sys/devices/system/cpu/cpu%d/topology/die_id",
			     cpu);
	if (ret < 0)
		ret = 0;

	return ret;
}

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int get_cpufreq_base_freq(int cpu)
{
	return parse_int_file(0, "/sys/devices/system/cpu/cpu%d/cpufreq/base_frequency", cpu);
}

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int get_topo_max_cpus(void)
{
	return topo_max_cpus;
}

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static void set_cpu_online_offline(int cpu, int state)
{
	char buffer[128];
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	int fd, ret;
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	snprintf(buffer, sizeof(buffer),
		 "/sys/devices/system/cpu/cpu%d/online", cpu);

	fd = open(buffer, O_WRONLY);
	if (fd < 0)
		err(-1, "%s open failed", buffer);

	if (state)
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		ret = write(fd, "1\n", 2);
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	else
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		ret = write(fd, "0\n", 2);

	if (ret == -1)
		perror("Online/Offline: Operation failed\n");
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	close(fd);
}

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#define MAX_PACKAGE_COUNT 8
#define MAX_DIE_PER_PACKAGE 2
static void for_each_online_package_in_set(void (*callback)(int, void *, void *,
							    void *, void *),
					   void *arg1, void *arg2, void *arg3,
					   void *arg4)
{
	int max_packages[MAX_PACKAGE_COUNT * MAX_PACKAGE_COUNT];
	int pkg_index = 0, i;

	memset(max_packages, 0xff, sizeof(max_packages));
	for (i = 0; i < topo_max_cpus; ++i) {
		int j, online, pkg_id, die_id = 0, skip = 0;

		if (!CPU_ISSET_S(i, present_cpumask_size, present_cpumask))
			continue;
		if (i)
			online = parse_int_file(
				1, "/sys/devices/system/cpu/cpu%d/online", i);
		else
			online =
				1; /* online entry for CPU 0 needs some special configs */

		die_id = get_physical_die_id(i);
		if (die_id < 0)
			die_id = 0;
		pkg_id = get_physical_package_id(i);
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		if (pkg_id < 0) {
			fprintf(stderr, "Failed to get package id, CPU %d may be offline\n", i);
			continue;
		}
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		/* Create an unique id for package, die combination to store */
		pkg_id = (MAX_PACKAGE_COUNT * pkg_id + die_id);

		for (j = 0; j < pkg_index; ++j) {
			if (max_packages[j] == pkg_id) {
				skip = 1;
				break;
			}
		}

		if (!skip && online && callback) {
			callback(i, arg1, arg2, arg3, arg4);
			max_packages[pkg_index++] = pkg_id;
		}
	}
}

static void for_each_online_target_cpu_in_set(
	void (*callback)(int, void *, void *, void *, void *), void *arg1,
	void *arg2, void *arg3, void *arg4)
{
	int i;

	for (i = 0; i < topo_max_cpus; ++i) {
		int online;

		if (!CPU_ISSET_S(i, target_cpumask_size, target_cpumask))
			continue;
		if (i)
			online = parse_int_file(
				1, "/sys/devices/system/cpu/cpu%d/online", i);
		else
			online =
				1; /* online entry for CPU 0 needs some special configs */

		if (online && callback)
			callback(i, arg1, arg2, arg3, arg4);
	}
}

#define BITMASK_SIZE 32
static void set_max_cpu_num(void)
{
	FILE *filep;
	unsigned long dummy;

	topo_max_cpus = 0;
	filep = fopen_or_exit(
		"/sys/devices/system/cpu/cpu0/topology/thread_siblings", "r");
	while (fscanf(filep, "%lx,", &dummy) == 1)
		topo_max_cpus += BITMASK_SIZE;
	fclose(filep);

	debug_printf("max cpus %d\n", topo_max_cpus);
}

size_t alloc_cpu_set(cpu_set_t **cpu_set)
{
	cpu_set_t *_cpu_set;
	size_t size;

	_cpu_set = CPU_ALLOC((topo_max_cpus + 1));
	if (_cpu_set == NULL)
		err(3, "CPU_ALLOC");
	size = CPU_ALLOC_SIZE((topo_max_cpus + 1));
	CPU_ZERO_S(size, _cpu_set);

	*cpu_set = _cpu_set;
	return size;
}

void free_cpu_set(cpu_set_t *cpu_set)
{
	CPU_FREE(cpu_set);
}

static int cpu_cnt[MAX_PACKAGE_COUNT][MAX_DIE_PER_PACKAGE];
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static long long core_mask[MAX_PACKAGE_COUNT][MAX_DIE_PER_PACKAGE];
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static void set_cpu_present_cpu_mask(void)
{
	size_t size;
	DIR *dir;
	int i;

	size = alloc_cpu_set(&present_cpumask);
	present_cpumask_size = size;
	for (i = 0; i < topo_max_cpus; ++i) {
		char buffer[256];

		snprintf(buffer, sizeof(buffer),
			 "/sys/devices/system/cpu/cpu%d", i);
		dir = opendir(buffer);
		if (dir) {
			int pkg_id, die_id;

			CPU_SET_S(i, size, present_cpumask);
			die_id = get_physical_die_id(i);
			if (die_id < 0)
				die_id = 0;

			pkg_id = get_physical_package_id(i);
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			if (pkg_id < 0) {
				fprintf(stderr, "Failed to get package id, CPU %d may be offline\n", i);
				continue;
			}
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			if (pkg_id < MAX_PACKAGE_COUNT &&
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			    die_id < MAX_DIE_PER_PACKAGE) {
				int core_id = get_physical_core_id(i);

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				cpu_cnt[pkg_id][die_id]++;
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				core_mask[pkg_id][die_id] |= (1ULL << core_id);
			}
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		}
		closedir(dir);
	}
}

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int get_core_count(int pkg_id, int die_id)
{
	int cnt = 0;

	if (pkg_id < MAX_PACKAGE_COUNT && die_id < MAX_DIE_PER_PACKAGE) {
		int i;

		for (i = 0; i < sizeof(long long) * 8; ++i) {
			if (core_mask[pkg_id][die_id] & (1ULL << i))
				cnt++;
		}
	}

	return cnt;
}

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int get_cpu_count(int pkg_id, int die_id)
{
	if (pkg_id < MAX_PACKAGE_COUNT && die_id < MAX_DIE_PER_PACKAGE)
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		return cpu_cnt[pkg_id][die_id];
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	return 0;
}

static void set_cpu_target_cpu_mask(void)
{
	size_t size;
	int i;

	size = alloc_cpu_set(&target_cpumask);
	target_cpumask_size = size;
	for (i = 0; i < max_target_cpus; ++i) {
		if (!CPU_ISSET_S(target_cpus[i], present_cpumask_size,
				 present_cpumask))
			continue;

		CPU_SET_S(target_cpus[i], size, target_cpumask);
	}
}

static void create_cpu_map(void)
{
	const char *pathname = "/dev/isst_interface";
	int i, fd = 0;
	struct isst_if_cpu_maps map;

	cpu_map = malloc(sizeof(*cpu_map) * topo_max_cpus);
	if (!cpu_map)
		err(3, "cpumap");

	fd = open(pathname, O_RDWR);
	if (fd < 0)
		err(-1, "%s open failed", pathname);

	for (i = 0; i < topo_max_cpus; ++i) {
		if (!CPU_ISSET_S(i, present_cpumask_size, present_cpumask))
			continue;

		map.cmd_count = 1;
		map.cpu_map[0].logical_cpu = i;

		debug_printf(" map logical_cpu:%d\n",
			     map.cpu_map[0].logical_cpu);
		if (ioctl(fd, ISST_IF_GET_PHY_ID, &map) == -1) {
			perror("ISST_IF_GET_PHY_ID");
			fprintf(outf, "Error: map logical_cpu:%d\n",
				map.cpu_map[0].logical_cpu);
			continue;
		}
		cpu_map[i].core_id = get_physical_core_id(i);
		cpu_map[i].pkg_id = get_physical_package_id(i);
		cpu_map[i].die_id = get_physical_die_id(i);
		cpu_map[i].punit_cpu = map.cpu_map[0].physical_cpu;
		cpu_map[i].punit_cpu_core = (map.cpu_map[0].physical_cpu >>
					     1); // shift to get core id

		debug_printf(
			"map logical_cpu:%d core: %d die:%d pkg:%d punit_cpu:%d punit_core:%d\n",
			i, cpu_map[i].core_id, cpu_map[i].die_id,
			cpu_map[i].pkg_id, cpu_map[i].punit_cpu,
			cpu_map[i].punit_cpu_core);
	}

	if (fd)
		close(fd);
}

int find_logical_cpu(int pkg_id, int die_id, int punit_core_id)
{
	int i;

	for (i = 0; i < topo_max_cpus; ++i) {
		if (cpu_map[i].pkg_id == pkg_id &&
		    cpu_map[i].die_id == die_id &&
		    cpu_map[i].punit_cpu_core == punit_core_id)
			return i;
	}

	return -EINVAL;
}

void set_cpu_mask_from_punit_coremask(int cpu, unsigned long long core_mask,
				      size_t core_cpumask_size,
				      cpu_set_t *core_cpumask, int *cpu_cnt)
{
	int i, cnt = 0;
	int die_id, pkg_id;

	*cpu_cnt = 0;
	die_id = get_physical_die_id(cpu);
	pkg_id = get_physical_package_id(cpu);

	for (i = 0; i < 64; ++i) {
		if (core_mask & BIT(i)) {
			int j;

			for (j = 0; j < topo_max_cpus; ++j) {
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				if (!CPU_ISSET_S(j, present_cpumask_size, present_cpumask))
					continue;

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				if (cpu_map[j].pkg_id == pkg_id &&
				    cpu_map[j].die_id == die_id &&
				    cpu_map[j].punit_cpu_core == i) {
					CPU_SET_S(j, core_cpumask_size,
						  core_cpumask);
					++cnt;
				}
			}
		}
	}

	*cpu_cnt = cnt;
}

int find_phy_core_num(int logical_cpu)
{
	if (logical_cpu < topo_max_cpus)
		return cpu_map[logical_cpu].punit_cpu_core;

	return -EINVAL;
}

static int isst_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;
	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) {
		perror("ISST_IF_IO_CMD");
		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 isst_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;
	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);

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	if (isst_platform_info.mmio_supported && command == CONFIG_CLOS &&
	    sub_command != CLOS_PM_QOS_CONFIG) {
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		unsigned int value;
		int write = 0;
		int clos_id, core_id, ret = 0;

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		debug_printf("CPU %d\n", cpu);
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		if (parameter & BIT(MBOX_CMD_WRITE_BIT)) {
			value = req_data;
			write = 1;
		}

		switch (sub_command) {
		case CLOS_PQR_ASSOC:
			core_id = parameter & 0xff;
			ret = isst_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 = isst_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;

	fd = open(pathname, O_RDWR);
	if (fd < 0)
		err(-1, "%s open failed", pathname);

	if (ioctl(fd, ISST_IF_MBOX_COMMAND, &mbox_cmds) == -1) {
		perror("ISST_IF_MBOX_COMMAND");
		fprintf(outf,
			"Error: mbox_cmd cpu:%d command:%x sub_command:%x parameter:%x req_data:%x\n",
			cpu, command, sub_command, parameter, req_data);
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		return -1;
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	} 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);
	}

	close(fd);

	return 0;
}

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";
	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_COMMAD");
		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;
}

static int isst_fill_platform_info(void)
{
	const char *pathname = "/dev/isst_interface";
	int fd;

	fd = open(pathname, O_RDWR);
	if (fd < 0)
		err(-1, "%s open failed", pathname);

	if (ioctl(fd, ISST_IF_GET_PLATFORM_INFO, &isst_platform_info) == -1) {
		perror("ISST_IF_GET_PLATFORM_INFO");
		close(fd);
		return -1;
	}

	close(fd);

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	if (isst_platform_info.api_version > supported_api_ver) {
		printf("Incompatible API versions; Upgrade of tool is required\n");
		return -1;
	}
706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747
	return 0;
}

static void isst_print_platform_information(void)
{
	struct isst_if_platform_info platform_info;
	const char *pathname = "/dev/isst_interface";
	int fd;

	fd = open(pathname, O_RDWR);
	if (fd < 0)
		err(-1, "%s open failed", pathname);

	if (ioctl(fd, ISST_IF_GET_PLATFORM_INFO, &platform_info) == -1) {
		perror("ISST_IF_GET_PLATFORM_INFO");
	} else {
		fprintf(outf, "Platform: API version : %d\n",
			platform_info.api_version);
		fprintf(outf, "Platform: Driver version : %d\n",
			platform_info.driver_version);
		fprintf(outf, "Platform: mbox supported : %d\n",
			platform_info.mbox_supported);
		fprintf(outf, "Platform: mmio supported : %d\n",
			platform_info.mmio_supported);
	}

	close(fd);

	exit(0);
}

static void exec_on_get_ctdp_cpu(int cpu, void *arg1, void *arg2, void *arg3,
				 void *arg4)
{
	int (*fn_ptr)(int cpu, void *arg);
	int ret;

	fn_ptr = arg1;
	ret = fn_ptr(cpu, arg2);
	if (ret)
		perror("get_tdp_*");
	else
748 749
		isst_ctdp_display_core_info(cpu, outf, arg3,
					    *(unsigned int *)arg4);
750 751 752
}

#define _get_tdp_level(desc, suffix, object, help)                                \
753
	static void get_tdp_##object(int arg)                                    \
754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782
	{                                                                         \
		struct isst_pkg_ctdp ctdp;                                        \
\
		if (cmd_help) {                                                   \
			fprintf(stderr,                                           \
				"Print %s [No command arguments are required]\n", \
				help);                                            \
			exit(0);                                                  \
		}                                                                 \
		isst_ctdp_display_information_start(outf);                        \
		if (max_target_cpus)                                              \
			for_each_online_target_cpu_in_set(                        \
				exec_on_get_ctdp_cpu, isst_get_ctdp_##suffix,     \
				&ctdp, desc, &ctdp.object);                       \
		else                                                              \
			for_each_online_package_in_set(exec_on_get_ctdp_cpu,      \
						       isst_get_ctdp_##suffix,    \
						       &ctdp, desc,               \
						       &ctdp.object);             \
		isst_ctdp_display_information_end(outf);                          \
	}

_get_tdp_level("get-config-levels", levels, levels, "TDP levels");
_get_tdp_level("get-config-version", levels, version, "TDP version");
_get_tdp_level("get-config-enabled", levels, enabled, "TDP enable status");
_get_tdp_level("get-config-current_level", levels, current_level,
	       "Current TDP Level");
_get_tdp_level("get-lock-status", levels, locked, "TDP lock status");

783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 822 823 824 825 826 827 828 829 830 831 832 833 834 835 836 837 838 839 840 841 842 843 844 845 846 847 848 849 850 851 852 853 854 855 856 857 858 859 860 861 862 863 864 865 866 867 868 869 870 871 872
struct isst_pkg_ctdp clx_n_pkg_dev;

static int clx_n_get_base_ratio(void)
{
	FILE *fp;
	char *begin, *end, *line = NULL;
	char number[5];
	float value = 0;
	size_t n = 0;

	fp = fopen("/proc/cpuinfo", "r");
	if (!fp)
		err(-1, "cannot open /proc/cpuinfo\n");

	while (getline(&line, &n, fp) > 0) {
		if (strstr(line, "model name")) {
			/* this is true for CascadeLake-N */
			begin = strstr(line, "@ ") + 2;
			end = strstr(line, "GHz");
			strncpy(number, begin, end - begin);
			value = atof(number) * 10;
			break;
		}
	}
	free(line);
	fclose(fp);

	return (int)(value);
}

static int clx_n_config(int cpu)
{
	int i, ret, pkg_id, die_id;
	unsigned long cpu_bf;
	struct isst_pkg_ctdp_level_info *ctdp_level;
	struct isst_pbf_info *pbf_info;

	ctdp_level = &clx_n_pkg_dev.ctdp_level[0];
	pbf_info = &ctdp_level->pbf_info;
	ctdp_level->core_cpumask_size =
			alloc_cpu_set(&ctdp_level->core_cpumask);

	/* find the frequency base ratio */
	ctdp_level->tdp_ratio = clx_n_get_base_ratio();
	if (ctdp_level->tdp_ratio == 0) {
		debug_printf("CLX: cn base ratio is zero\n");
		ret = -1;
		goto error_ret;
	}

	/* find the high and low priority frequencies */
	pbf_info->p1_high = 0;
	pbf_info->p1_low = ~0;

	pkg_id = get_physical_package_id(cpu);
	die_id = get_physical_die_id(cpu);

	for (i = 0; i < topo_max_cpus; i++) {
		if (!CPU_ISSET_S(i, present_cpumask_size, present_cpumask))
			continue;

		if (pkg_id != get_physical_package_id(i) ||
		    die_id != get_physical_die_id(i))
			continue;

		CPU_SET_S(i, ctdp_level->core_cpumask_size,
			  ctdp_level->core_cpumask);

		cpu_bf = parse_int_file(1,
			"/sys/devices/system/cpu/cpu%d/cpufreq/base_frequency",
					i);
		if (cpu_bf > pbf_info->p1_high)
			pbf_info->p1_high = cpu_bf;
		if (cpu_bf < pbf_info->p1_low)
			pbf_info->p1_low = cpu_bf;
	}

	if (pbf_info->p1_high == ~0UL) {
		debug_printf("CLX: maximum base frequency not set\n");
		ret = -1;
		goto error_ret;
	}

	if (pbf_info->p1_low == 0) {
		debug_printf("CLX: minimum base frequency not set\n");
		ret = -1;
		goto error_ret;
	}

	/* convert frequencies back to ratios */
873 874
	pbf_info->p1_high = pbf_info->p1_high / 100000;
	pbf_info->p1_low = pbf_info->p1_low / 100000;
875 876 877 878 879 880 881 882 883 884 885 886 887 888

	/* create high priority cpu mask */
	pbf_info->core_cpumask_size = alloc_cpu_set(&pbf_info->core_cpumask);
	for (i = 0; i < topo_max_cpus; i++) {
		if (!CPU_ISSET_S(i, present_cpumask_size, present_cpumask))
			continue;

		if (pkg_id != get_physical_package_id(i) ||
		    die_id != get_physical_die_id(i))
			continue;

		cpu_bf = parse_int_file(1,
			"/sys/devices/system/cpu/cpu%d/cpufreq/base_frequency",
					i);
889
		cpu_bf = cpu_bf / 100000;
890 891 892 893 894 895 896 897 898 899 900 901 902 903 904 905 906 907 908 909 910 911 912 913 914 915 916 917 918 919 920 921 922 923 924 925 926 927 928
		if (cpu_bf == pbf_info->p1_high)
			CPU_SET_S(i, pbf_info->core_cpumask_size,
				  pbf_info->core_cpumask);
	}

	/* extra ctdp & pbf struct parameters */
	ctdp_level->processed = 1;
	ctdp_level->pbf_support = 1; /* PBF is always supported and enabled */
	ctdp_level->pbf_enabled = 1;
	ctdp_level->fact_support = 0; /* FACT is never supported */
	ctdp_level->fact_enabled = 0;

	return 0;

error_ret:
	free_cpu_set(ctdp_level->core_cpumask);
	return ret;
}

static void dump_clx_n_config_for_cpu(int cpu, void *arg1, void *arg2,
				   void *arg3, void *arg4)
{
	int ret;

	ret = clx_n_config(cpu);
	if (ret) {
		perror("isst_get_process_ctdp");
	} else {
		struct isst_pkg_ctdp_level_info *ctdp_level;
		struct isst_pbf_info *pbf_info;

		ctdp_level = &clx_n_pkg_dev.ctdp_level[0];
		pbf_info = &ctdp_level->pbf_info;
		isst_ctdp_display_information(cpu, outf, tdp_level, &clx_n_pkg_dev);
		free_cpu_set(ctdp_level->core_cpumask);
		free_cpu_set(pbf_info->core_cpumask);
	}
}

929 930 931 932 933 934 935 936 937 938 939 940 941 942 943 944
static void dump_isst_config_for_cpu(int cpu, void *arg1, void *arg2,
				     void *arg3, void *arg4)
{
	struct isst_pkg_ctdp pkg_dev;
	int ret;

	memset(&pkg_dev, 0, sizeof(pkg_dev));
	ret = isst_get_process_ctdp(cpu, tdp_level, &pkg_dev);
	if (ret) {
		perror("isst_get_process_ctdp");
	} else {
		isst_ctdp_display_information(cpu, outf, tdp_level, &pkg_dev);
		isst_get_process_ctdp_complete(cpu, &pkg_dev);
	}
}

945
static void dump_isst_config(int arg)
946
{
947 948
	void *fn;

949 950 951 952 953 954 955 956 957 958 959
	if (cmd_help) {
		fprintf(stderr,
			"Print Intel(R) Speed Select Technology Performance profile configuration\n");
		fprintf(stderr,
			"including base frequency and turbo frequency configurations\n");
		fprintf(stderr, "Optional: -l|--level : Specify tdp level\n");
		fprintf(stderr,
			"\tIf no arguments, dump information for all TDP levels\n");
		exit(0);
	}

960 961 962 963 964
	if (!is_clx_n_platform())
		fn = dump_isst_config_for_cpu;
	else
		fn = dump_clx_n_config_for_cpu;

965 966 967
	isst_ctdp_display_information_start(outf);

	if (max_target_cpus)
968
		for_each_online_target_cpu_in_set(fn, NULL, NULL, NULL, NULL);
969
	else
970
		for_each_online_package_in_set(fn, NULL, NULL, NULL, NULL);
971 972 973 974 975 976 977 978 979 980 981 982

	isst_ctdp_display_information_end(outf);
}

static void set_tdp_level_for_cpu(int cpu, void *arg1, void *arg2, void *arg3,
				  void *arg4)
{
	int ret;

	ret = isst_set_tdp_level(cpu, tdp_level);
	if (ret)
		perror("set_tdp_level_for_cpu");
983
	else {
984 985
		isst_display_result(cpu, outf, "perf-profile", "set_tdp_level",
				    ret);
986 987 988 989 990 991 992 993 994 995 996 997 998 999 1000 1001 1002 1003 1004 1005 1006 1007 1008 1009 1010
		if (force_online_offline) {
			struct isst_pkg_ctdp_level_info ctdp_level;
			int pkg_id = get_physical_package_id(cpu);
			int die_id = get_physical_die_id(cpu);

			fprintf(stderr, "Option is set to online/offline\n");
			ctdp_level.core_cpumask_size =
				alloc_cpu_set(&ctdp_level.core_cpumask);
			isst_get_coremask_info(cpu, tdp_level, &ctdp_level);
			if (ctdp_level.cpu_count) {
				int i, max_cpus = get_topo_max_cpus();
				for (i = 0; i < max_cpus; ++i) {
					if (pkg_id != get_physical_package_id(i) || die_id != get_physical_die_id(i))
						continue;
					if (CPU_ISSET_S(i, ctdp_level.core_cpumask_size, ctdp_level.core_cpumask)) {
						fprintf(stderr, "online cpu %d\n", i);
						set_cpu_online_offline(i, 1);
					} else {
						fprintf(stderr, "offline cpu %d\n", i);
						set_cpu_online_offline(i, 0);
					}
				}
			}
		}
	}
1011 1012
}

1013
static void set_tdp_level(int arg)
1014 1015 1016 1017 1018
{
	if (cmd_help) {
		fprintf(stderr, "Set Config TDP level\n");
		fprintf(stderr,
			"\t Arguments: -l|--level : Specify tdp level\n");
1019 1020
		fprintf(stderr,
			"\t Optional Arguments: -o | online : online/offline for the tdp level\n");
1021 1022 1023 1024 1025 1026 1027 1028 1029 1030 1031 1032 1033 1034 1035 1036 1037
		exit(0);
	}

	if (tdp_level == 0xff) {
		fprintf(outf, "Invalid command: specify tdp_level\n");
		exit(1);
	}
	isst_ctdp_display_information_start(outf);
	if (max_target_cpus)
		for_each_online_target_cpu_in_set(set_tdp_level_for_cpu, NULL,
						  NULL, NULL, NULL);
	else
		for_each_online_package_in_set(set_tdp_level_for_cpu, NULL,
					       NULL, NULL, NULL);
	isst_ctdp_display_information_end(outf);
}

1038 1039 1040 1041 1042 1043 1044 1045 1046 1047 1048 1049 1050 1051 1052 1053 1054 1055 1056 1057
static void clx_n_dump_pbf_config_for_cpu(int cpu, void *arg1, void *arg2,
				       void *arg3, void *arg4)
{
	int ret;

	ret = clx_n_config(cpu);
	if (ret) {
		perror("isst_get_process_ctdp");
	} else {
		struct isst_pkg_ctdp_level_info *ctdp_level;
		struct isst_pbf_info *pbf_info;

		ctdp_level = &clx_n_pkg_dev.ctdp_level[0];
		pbf_info = &ctdp_level->pbf_info;
		isst_pbf_display_information(cpu, outf, tdp_level, pbf_info);
		free_cpu_set(ctdp_level->core_cpumask);
		free_cpu_set(pbf_info->core_cpumask);
	}
}

1058 1059 1060 1061 1062 1063 1064 1065 1066 1067 1068 1069 1070 1071 1072
static void dump_pbf_config_for_cpu(int cpu, void *arg1, void *arg2, void *arg3,
				    void *arg4)
{
	struct isst_pbf_info pbf_info;
	int ret;

	ret = isst_get_pbf_info(cpu, tdp_level, &pbf_info);
	if (ret) {
		perror("isst_get_pbf_info");
	} else {
		isst_pbf_display_information(cpu, outf, tdp_level, &pbf_info);
		isst_get_pbf_info_complete(&pbf_info);
	}
}

1073
static void dump_pbf_config(int arg)
1074
{
1075 1076
	void *fn;

1077 1078 1079 1080 1081 1082 1083 1084 1085 1086 1087 1088 1089
	if (cmd_help) {
		fprintf(stderr,
			"Print Intel(R) Speed Select Technology base frequency configuration for a TDP level\n");
		fprintf(stderr,
			"\tArguments: -l|--level : Specify tdp level\n");
		exit(0);
	}

	if (tdp_level == 0xff) {
		fprintf(outf, "Invalid command: specify tdp_level\n");
		exit(1);
	}

1090 1091 1092 1093 1094
	if (!is_clx_n_platform())
		fn = dump_pbf_config_for_cpu;
	else
		fn = clx_n_dump_pbf_config_for_cpu;

1095
	isst_ctdp_display_information_start(outf);
1096

1097
	if (max_target_cpus)
1098
		for_each_online_target_cpu_in_set(fn, NULL, NULL, NULL, NULL);
1099
	else
1100 1101
		for_each_online_package_in_set(fn, NULL, NULL, NULL, NULL);

1102 1103 1104
	isst_ctdp_display_information_end(outf);
}

1105 1106 1107 1108 1109 1110 1111 1112 1113 1114 1115 1116 1117 1118 1119 1120 1121 1122 1123 1124 1125 1126 1127
static int set_clos_param(int cpu, int clos, int epp, int wt, int min, int max)
{
	struct isst_clos_config clos_config;
	int ret;

	ret = isst_pm_get_clos(cpu, clos, &clos_config);
	if (ret) {
		perror("isst_pm_get_clos");
		return ret;
	}
	clos_config.clos_min = min;
	clos_config.clos_max = max;
	clos_config.epp = epp;
	clos_config.clos_prop_prio = wt;
	ret = isst_set_clos(cpu, clos, &clos_config);
	if (ret) {
		perror("isst_pm_set_clos");
		return ret;
	}

	return 0;
}

1128 1129 1130 1131 1132 1133 1134 1135 1136 1137 1138 1139 1140 1141 1142 1143 1144 1145 1146 1147 1148 1149 1150 1151 1152 1153 1154 1155 1156 1157 1158 1159 1160 1161 1162 1163 1164 1165 1166 1167 1168 1169 1170 1171 1172 1173 1174 1175 1176 1177 1178 1179 1180 1181 1182 1183 1184 1185 1186 1187 1188 1189 1190 1191 1192 1193 1194
static int set_cpufreq_scaling_min_max(int cpu, int max, int freq)
{
	char buffer[128], freq_str[16];
	int fd, ret, len;

	if (max)
		snprintf(buffer, sizeof(buffer),
			 "/sys/devices/system/cpu/cpu%d/cpufreq/scaling_max_freq", cpu);
	else
		snprintf(buffer, sizeof(buffer),
			 "/sys/devices/system/cpu/cpu%d/cpufreq/scaling_min_freq", cpu);

	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 int set_clx_pbf_cpufreq_scaling_min_max(int cpu)
{
	struct isst_pkg_ctdp_level_info *ctdp_level;
	struct isst_pbf_info *pbf_info;
	int i, pkg_id, die_id, freq, freq_high, freq_low;
	int ret;

	ret = clx_n_config(cpu);
	if (ret) {
		perror("set_clx_pbf_cpufreq_scaling_min_max");
		return ret;
	}

	ctdp_level = &clx_n_pkg_dev.ctdp_level[0];
	pbf_info = &ctdp_level->pbf_info;
	freq_high = pbf_info->p1_high * 100000;
	freq_low = pbf_info->p1_low * 100000;

	pkg_id = get_physical_package_id(cpu);
	die_id = get_physical_die_id(cpu);
	for (i = 0; i < get_topo_max_cpus(); ++i) {
		if (pkg_id != get_physical_package_id(i) ||
		    die_id != get_physical_die_id(i))
			continue;

		if (CPU_ISSET_S(i, pbf_info->core_cpumask_size,
				  pbf_info->core_cpumask))
			freq = freq_high;
		else
			freq = freq_low;

		set_cpufreq_scaling_min_max(i, 1, freq);
		set_cpufreq_scaling_min_max(i, 0, freq);
	}

	return 0;
}

static int set_cpufreq_scaling_min_max_from_cpuinfo(int cpu, int cpuinfo_max, int scaling_max)
1195 1196 1197 1198 1199 1200 1201
{
	char buffer[128], min_freq[16];
	int fd, ret, len;

	if (!CPU_ISSET_S(cpu, present_cpumask_size, present_cpumask))
		return -1;

1202
	if (cpuinfo_max)
1203 1204 1205 1206 1207 1208 1209 1210 1211 1212 1213 1214 1215 1216 1217 1218
		snprintf(buffer, sizeof(buffer),
			 "/sys/devices/system/cpu/cpu%d/cpufreq/cpuinfo_max_freq", cpu);
	else
		snprintf(buffer, sizeof(buffer),
			 "/sys/devices/system/cpu/cpu%d/cpufreq/cpuinfo_min_freq", cpu);

	fd = open(buffer, O_RDONLY);
	if (fd < 0)
		return fd;

	len = read(fd, min_freq, sizeof(min_freq));
	close(fd);

	if (len < 0)
		return len;

1219 1220 1221 1222 1223 1224
	if (scaling_max)
		snprintf(buffer, sizeof(buffer),
			 "/sys/devices/system/cpu/cpu%d/cpufreq/scaling_max_freq", cpu);
	else
		snprintf(buffer, sizeof(buffer),
			 "/sys/devices/system/cpu/cpu%d/cpufreq/scaling_min_freq", cpu);
1225 1226 1227 1228 1229 1230 1231 1232 1233 1234 1235 1236 1237 1238 1239 1240 1241 1242 1243 1244 1245 1246 1247 1248 1249 1250 1251

	fd = open(buffer, O_WRONLY);
	if (fd < 0)
		return fd;

	len = strlen(min_freq);
	ret = write(fd, min_freq, len);
	if (ret == -1) {
		close(fd);
		return ret;
	}
	close(fd);

	return 0;
}

static void set_scaling_min_to_cpuinfo_max(int cpu)
{
	int i, pkg_id, die_id;

	pkg_id = get_physical_package_id(cpu);
	die_id = get_physical_die_id(cpu);
	for (i = 0; i < get_topo_max_cpus(); ++i) {
		if (pkg_id != get_physical_package_id(i) ||
		    die_id != get_physical_die_id(i))
			continue;

1252
		set_cpufreq_scaling_min_max_from_cpuinfo(i, 1, 0);
1253 1254 1255 1256 1257 1258 1259 1260 1261 1262 1263 1264 1265 1266
	}
}

static void set_scaling_min_to_cpuinfo_min(int cpu)
{
	int i, pkg_id, die_id;

	pkg_id = get_physical_package_id(cpu);
	die_id = get_physical_die_id(cpu);
	for (i = 0; i < get_topo_max_cpus(); ++i) {
		if (pkg_id != get_physical_package_id(i) ||
		    die_id != get_physical_die_id(i))
			continue;

1267 1268 1269 1270 1271 1272 1273 1274 1275 1276 1277 1278 1279 1280 1281 1282
		set_cpufreq_scaling_min_max_from_cpuinfo(i, 0, 0);
	}
}

static void set_scaling_max_to_cpuinfo_max(int cpu)
{
	int i, pkg_id, die_id;

	pkg_id = get_physical_package_id(cpu);
	die_id = get_physical_die_id(cpu);
	for (i = 0; i < get_topo_max_cpus(); ++i) {
		if (pkg_id != get_physical_package_id(i) ||
		    die_id != get_physical_die_id(i))
			continue;

		set_cpufreq_scaling_min_max_from_cpuinfo(i, 1, 1);
1283 1284 1285 1286 1287 1288 1289 1290 1291 1292 1293 1294 1295 1296 1297 1298
	}
}

static int set_core_priority_and_min(int cpu, int mask_size,
				     cpu_set_t *cpu_mask, int min_high,
				     int min_low)
{
	int pkg_id, die_id, ret, i;

	if (!CPU_COUNT_S(mask_size, cpu_mask))
		return -1;

	ret = set_clos_param(cpu, 0, 0, 0, min_high, 0xff);
	if (ret)
		return ret;

1299
	ret = set_clos_param(cpu, 1, 15, 15, min_low, 0xff);
1300 1301 1302
	if (ret)
		return ret;

1303
	ret = set_clos_param(cpu, 2, 15, 15, min_low, 0xff);
1304 1305 1306
	if (ret)
		return ret;

1307
	ret = set_clos_param(cpu, 3, 15, 15, min_low, 0xff);
1308 1309 1310 1311 1312 1313 1314 1315 1316 1317 1318 1319 1320 1321 1322 1323 1324 1325 1326 1327 1328 1329 1330 1331 1332 1333 1334 1335 1336 1337 1338 1339 1340 1341 1342 1343 1344 1345 1346 1347 1348 1349 1350 1351 1352 1353 1354 1355 1356 1357 1358 1359 1360 1361 1362 1363 1364 1365 1366 1367 1368 1369 1370 1371 1372 1373
	if (ret)
		return ret;

	pkg_id = get_physical_package_id(cpu);
	die_id = get_physical_die_id(cpu);
	for (i = 0; i < get_topo_max_cpus(); ++i) {
		int clos;

		if (pkg_id != get_physical_package_id(i) ||
		    die_id != get_physical_die_id(i))
			continue;

		if (CPU_ISSET_S(i, mask_size, cpu_mask))
			clos = 0;
		else
			clos = 3;

		debug_printf("Associate cpu: %d clos: %d\n", i, clos);
		ret = isst_clos_associate(i, clos);
		if (ret) {
			perror("isst_clos_associate");
			return ret;
		}
	}

	return 0;
}

static int set_pbf_core_power(int cpu)
{
	struct isst_pbf_info pbf_info;
	struct isst_pkg_ctdp pkg_dev;
	int ret;

	ret = isst_get_ctdp_levels(cpu, &pkg_dev);
	if (ret) {
		perror("isst_get_ctdp_levels");
		return ret;
	}
	debug_printf("Current_level: %d\n", pkg_dev.current_level);

	ret = isst_get_pbf_info(cpu, pkg_dev.current_level, &pbf_info);
	if (ret) {
		perror("isst_get_pbf_info");
		return ret;
	}
	debug_printf("p1_high: %d p1_low: %d\n", pbf_info.p1_high,
		     pbf_info.p1_low);

	ret = set_core_priority_and_min(cpu, pbf_info.core_cpumask_size,
					pbf_info.core_cpumask,
					pbf_info.p1_high, pbf_info.p1_low);
	if (ret) {
		perror("set_core_priority_and_min");
		return ret;
	}

	ret = isst_pm_qos_config(cpu, 1, 1);
	if (ret) {
		perror("isst_pm_qos_config");
		return ret;
	}

	return 0;
}

1374 1375 1376 1377 1378 1379
static void set_pbf_for_cpu(int cpu, void *arg1, void *arg2, void *arg3,
			    void *arg4)
{
	int ret;
	int status = *(int *)arg4;

1380
	if (is_clx_n_platform()) {
1381
		if (status) {
1382 1383
			ret = 0;
			if (auto_mode)
1384 1385 1386 1387 1388 1389 1390 1391
				set_clx_pbf_cpufreq_scaling_min_max(cpu);

		} else {
			ret = -1;
			if (auto_mode) {
				set_scaling_max_to_cpuinfo_max(cpu);
				set_scaling_min_to_cpuinfo_min(cpu);
			}
1392 1393 1394 1395
		}
		goto disp_result;
	}

1396 1397 1398 1399
	if (auto_mode && status) {
		ret = set_pbf_core_power(cpu);
		if (ret)
			goto disp_result;
1400 1401
	}

1402 1403 1404
	ret = isst_set_pbf_fact_status(cpu, 1, status);
	if (ret) {
		perror("isst_set_pbf");
1405 1406
		if (auto_mode)
			isst_pm_qos_config(cpu, 0, 0);
1407
	} else {
1408 1409 1410 1411 1412 1413
		if (auto_mode) {
			if (status)
				set_scaling_min_to_cpuinfo_max(cpu);
			else
				set_scaling_min_to_cpuinfo_min(cpu);
		}
1414
	}
1415

1416 1417 1418
	if (auto_mode && !status)
		isst_pm_qos_config(cpu, 0, 0);

1419 1420 1421 1422 1423 1424 1425
disp_result:
	if (status)
		isst_display_result(cpu, outf, "base-freq", "enable",
				    ret);
	else
		isst_display_result(cpu, outf, "base-freq", "disable",
				    ret);
1426 1427
}

1428
static void set_pbf_enable(int arg)
1429
{
1430
	int enable = arg;
1431 1432

	if (cmd_help) {
1433 1434 1435 1436 1437 1438
		if (enable) {
			fprintf(stderr,
				"Enable Intel Speed Select Technology base frequency feature\n");
			fprintf(stderr,
				"\tOptional Arguments: -a|--auto : Use priority of cores to set core-power associations\n");
		} else {
1439

1440 1441 1442 1443 1444
			fprintf(stderr,
				"Disable Intel Speed Select Technology base frequency feature\n");
			fprintf(stderr,
				"\tOptional Arguments: -a|--auto : Also disable core-power associations\n");
		}
1445 1446 1447 1448 1449 1450
		exit(0);
	}

	isst_ctdp_display_information_start(outf);
	if (max_target_cpus)
		for_each_online_target_cpu_in_set(set_pbf_for_cpu, NULL, NULL,
1451
						  NULL, &enable);
1452 1453
	else
		for_each_online_package_in_set(set_pbf_for_cpu, NULL, NULL,
1454
					       NULL, &enable);
1455 1456 1457 1458 1459 1460 1461 1462 1463 1464 1465 1466 1467 1468 1469 1470 1471
	isst_ctdp_display_information_end(outf);
}

static void dump_fact_config_for_cpu(int cpu, void *arg1, void *arg2,
				     void *arg3, void *arg4)
{
	struct isst_fact_info fact_info;
	int ret;

	ret = isst_get_fact_info(cpu, tdp_level, &fact_info);
	if (ret)
		perror("isst_get_fact_bucket_info");
	else
		isst_fact_display_information(cpu, outf, tdp_level, fact_bucket,
					      fact_avx, &fact_info);
}

1472
static void dump_fact_config(int arg)
1473 1474 1475 1476 1477 1478 1479 1480 1481 1482 1483 1484 1485 1486 1487 1488 1489 1490 1491 1492 1493 1494 1495 1496 1497 1498 1499 1500 1501 1502 1503 1504 1505 1506
{
	if (cmd_help) {
		fprintf(stderr,
			"Print complete Intel Speed Select Technology turbo frequency configuration for a TDP level. Other arguments are optional.\n");
		fprintf(stderr,
			"\tArguments: -l|--level : Specify tdp level\n");
		fprintf(stderr,
			"\tArguments: -b|--bucket : Bucket index to dump\n");
		fprintf(stderr,
			"\tArguments: -r|--trl-type : Specify trl type: sse|avx2|avx512\n");
		exit(0);
	}

	if (tdp_level == 0xff) {
		fprintf(outf, "Invalid command: specify tdp_level\n");
		exit(1);
	}

	isst_ctdp_display_information_start(outf);
	if (max_target_cpus)
		for_each_online_target_cpu_in_set(dump_fact_config_for_cpu,
						  NULL, NULL, NULL, NULL);
	else
		for_each_online_package_in_set(dump_fact_config_for_cpu, NULL,
					       NULL, NULL, NULL);
	isst_ctdp_display_information_end(outf);
}

static void set_fact_for_cpu(int cpu, void *arg1, void *arg2, void *arg3,
			     void *arg4)
{
	int ret;
	int status = *(int *)arg4;

1507 1508 1509 1510
	if (auto_mode && status) {
		ret = isst_pm_qos_config(cpu, 1, 1);
		if (ret)
			goto disp_results;
1511 1512
	}

1513
	ret = isst_set_pbf_fact_status(cpu, 0, status);
1514
	if (ret) {
1515
		perror("isst_set_fact");
1516 1517
		if (auto_mode)
			isst_pm_qos_config(cpu, 0, 0);
1518

1519 1520 1521 1522 1523 1524 1525 1526 1527
		goto disp_results;
	}

	/* Set TRL */
	if (status) {
		struct isst_pkg_ctdp pkg_dev;

		ret = isst_get_ctdp_levels(cpu, &pkg_dev);
		if (!ret)
1528
			ret = isst_set_trl(cpu, fact_trl);
1529 1530
		if (ret && auto_mode)
			isst_pm_qos_config(cpu, 0, 0);
1531 1532 1533
	} else {
		if (auto_mode)
			isst_pm_qos_config(cpu, 0, 0);
1534 1535 1536 1537 1538
	}

disp_results:
	if (status) {
		isst_display_result(cpu, outf, "turbo-freq", "enable", ret);
1539 1540
		if (ret)
			fact_enable_fail = ret;
1541 1542 1543 1544
	} else {
		/* Since we modified TRL during Fact enable, restore it */
		isst_set_trl_from_current_tdp(cpu, fact_trl);
		isst_display_result(cpu, outf, "turbo-freq", "disable", ret);
1545 1546 1547
	}
}

1548
static void set_fact_enable(int arg)
1549
{
1550
	int i, ret, enable = arg;
1551 1552

	if (cmd_help) {
1553 1554 1555 1556 1557 1558 1559 1560 1561 1562 1563 1564 1565 1566 1567 1568 1569
		if (enable) {
			fprintf(stderr,
				"Enable Intel Speed Select Technology Turbo frequency feature\n");
			fprintf(stderr,
				"Optional: -t|--trl : Specify turbo ratio limit\n");
			fprintf(stderr,
				"\tOptional Arguments: -a|--auto : Designate specified target CPUs with");
			fprintf(stderr,
				"-C|--cpu option as as high priority using core-power feature\n");
		} else {
			fprintf(stderr,
				"Disable Intel Speed Select Technology turbo frequency feature\n");
			fprintf(stderr,
				"Optional: -t|--trl : Specify turbo ratio limit\n");
			fprintf(stderr,
				"\tOptional Arguments: -a|--auto : Also disable core-power associations\n");
		}
1570 1571 1572 1573 1574 1575
		exit(0);
	}

	isst_ctdp_display_information_start(outf);
	if (max_target_cpus)
		for_each_online_target_cpu_in_set(set_fact_for_cpu, NULL, NULL,
1576
						  NULL, &enable);
1577 1578
	else
		for_each_online_package_in_set(set_fact_for_cpu, NULL, NULL,
1579
					       NULL, &enable);
1580
	isst_ctdp_display_information_end(outf);
1581

1582
	if (!fact_enable_fail && enable && auto_mode) {
1583 1584 1585 1586 1587 1588 1589 1590 1591 1592 1593 1594 1595 1596 1597 1598 1599 1600 1601 1602 1603 1604 1605 1606 1607 1608 1609 1610 1611 1612 1613 1614 1615 1616 1617 1618 1619 1620 1621 1622 1623 1624 1625 1626 1627
		/*
		 * When we adjust CLOS param, we have to set for siblings also.
		 * So for the each user specified CPU, also add the sibling
		 * in the present_cpu_mask.
		 */
		for (i = 0; i < get_topo_max_cpus(); ++i) {
			char buffer[128], sibling_list[128], *cpu_str;
			int fd, len;

			if (!CPU_ISSET_S(i, target_cpumask_size, target_cpumask))
				continue;

			snprintf(buffer, sizeof(buffer),
				 "/sys/devices/system/cpu/cpu%d/topology/thread_siblings_list", i);

			fd = open(buffer, O_RDONLY);
			if (fd < 0)
				continue;

			len = read(fd, sibling_list, sizeof(sibling_list));
			close(fd);

			if (len < 0)
				continue;

			cpu_str = strtok(sibling_list, ",");
			while (cpu_str != NULL) {
				int cpu;

				sscanf(cpu_str, "%d", &cpu);
				CPU_SET_S(cpu, target_cpumask_size, target_cpumask);
				cpu_str = strtok(NULL, ",");
			}
		}

		for (i = 0; i < get_topo_max_cpus(); ++i) {
			int clos;

			if (!CPU_ISSET_S(i, present_cpumask_size, present_cpumask))
				continue;

			ret = set_clos_param(i, 0, 0, 0, 0, 0xff);
			if (ret)
				goto error_disp;

1628
			ret = set_clos_param(i, 1, 15, 15, 0, 0xff);
1629 1630 1631
			if (ret)
				goto error_disp;

1632
			ret = set_clos_param(i, 2, 15, 15, 0, 0xff);
1633 1634 1635
			if (ret)
				goto error_disp;

1636
			ret = set_clos_param(i, 3, 15, 15, 0, 0xff);
1637 1638 1639 1640 1641 1642 1643 1644 1645 1646 1647 1648 1649
			if (ret)
				goto error_disp;

			if (CPU_ISSET_S(i, target_cpumask_size, target_cpumask))
				clos = 0;
			else
				clos = 3;

			debug_printf("Associate cpu: %d clos: %d\n", i, clos);
			ret = isst_clos_associate(i, clos);
			if (ret)
				goto error_disp;
		}
1650
		isst_display_result(-1, outf, "turbo-freq --auto", "enable", 0);
1651 1652 1653 1654 1655 1656 1657
	}

	return;

error_disp:
	isst_display_result(i, outf, "turbo-freq --auto", "enable", ret);

1658 1659 1660 1661 1662 1663 1664 1665 1666
}

static void enable_clos_qos_config(int cpu, void *arg1, void *arg2, void *arg3,
				   void *arg4)
{
	int ret;
	int status = *(int *)arg4;

	ret = isst_pm_qos_config(cpu, status, clos_priority_type);
1667
	if (ret)
1668
		perror("isst_pm_qos_config");
1669 1670 1671 1672 1673 1674 1675

	if (status)
		isst_display_result(cpu, outf, "core-power", "enable",
				    ret);
	else
		isst_display_result(cpu, outf, "core-power", "disable",
				    ret);
1676 1677
}

1678
static void set_clos_enable(int arg)
1679
{
1680
	int enable = arg;
1681 1682

	if (cmd_help) {
1683 1684 1685 1686 1687 1688 1689 1690 1691 1692
		if (enable) {
			fprintf(stderr,
				"Enable core-power for a package/die\n");
			fprintf(stderr,
				"\tClos Enable: Specify priority type with [--priority|-p]\n");
			fprintf(stderr, "\t\t 0: Proportional, 1: Ordered\n");
		} else {
			fprintf(stderr,
				"Disable core-power: [No command arguments are required]\n");
		}
1693 1694 1695
		exit(0);
	}

1696
	if (enable && cpufreq_sysfs_present()) {
1697 1698 1699 1700 1701 1702 1703
		fprintf(stderr,
			"cpufreq subsystem and core-power enable will interfere with each other!\n");
	}

	isst_ctdp_display_information_start(outf);
	if (max_target_cpus)
		for_each_online_target_cpu_in_set(enable_clos_qos_config, NULL,
1704
						  NULL, NULL, &enable);
1705 1706
	else
		for_each_online_package_in_set(enable_clos_qos_config, NULL,
1707
					       NULL, NULL, &enable);
1708 1709 1710 1711 1712 1713 1714 1715 1716 1717 1718 1719 1720 1721 1722 1723 1724
	isst_ctdp_display_information_end(outf);
}

static void dump_clos_config_for_cpu(int cpu, void *arg1, void *arg2,
				     void *arg3, void *arg4)
{
	struct isst_clos_config clos_config;
	int ret;

	ret = isst_pm_get_clos(cpu, current_clos, &clos_config);
	if (ret)
		perror("isst_pm_get_clos");
	else
		isst_clos_display_information(cpu, outf, current_clos,
					      &clos_config);
}

1725
static void dump_clos_config(int arg)
1726 1727 1728 1729 1730 1731 1732 1733 1734 1735 1736 1737 1738 1739 1740 1741 1742 1743 1744 1745 1746 1747 1748
{
	if (cmd_help) {
		fprintf(stderr,
			"Print Intel Speed Select Technology core power configuration\n");
		fprintf(stderr,
			"\tArguments: [-c | --clos]: Specify clos id\n");
		exit(0);
	}
	if (current_clos < 0 || current_clos > 3) {
		fprintf(stderr, "Invalid clos id\n");
		exit(0);
	}

	isst_ctdp_display_information_start(outf);
	if (max_target_cpus)
		for_each_online_target_cpu_in_set(dump_clos_config_for_cpu,
						  NULL, NULL, NULL, NULL);
	else
		for_each_online_package_in_set(dump_clos_config_for_cpu, NULL,
					       NULL, NULL, NULL);
	isst_ctdp_display_information_end(outf);
}

1749 1750 1751 1752 1753 1754 1755 1756 1757 1758 1759 1760
static void get_clos_info_for_cpu(int cpu, void *arg1, void *arg2, void *arg3,
				  void *arg4)
{
	int enable, ret, prio_type;

	ret = isst_clos_get_clos_information(cpu, &enable, &prio_type);
	if (ret)
		perror("isst_clos_get_info");
	else
		isst_clos_display_clos_information(cpu, outf, enable, prio_type);
}

1761
static void dump_clos_info(int arg)
1762 1763 1764 1765
{
	if (cmd_help) {
		fprintf(stderr,
			"Print Intel Speed Select Technology core power information\n");
1766
		fprintf(stderr, "\t Optionally specify targeted cpu id with [--cpu|-c]\n");
1767 1768 1769 1770
		exit(0);
	}

	isst_ctdp_display_information_start(outf);
1771 1772 1773 1774 1775 1776
	if (max_target_cpus)
		for_each_online_target_cpu_in_set(get_clos_info_for_cpu, NULL,
						  NULL, NULL, NULL);
	else
		for_each_online_package_in_set(get_clos_info_for_cpu, NULL,
					       NULL, NULL, NULL);
1777 1778 1779 1780
	isst_ctdp_display_information_end(outf);

}

1781 1782 1783 1784 1785 1786 1787 1788 1789 1790 1791 1792 1793 1794 1795 1796 1797 1798 1799 1800 1801
static void set_clos_config_for_cpu(int cpu, void *arg1, void *arg2, void *arg3,
				    void *arg4)
{
	struct isst_clos_config clos_config;
	int ret;

	clos_config.pkg_id = get_physical_package_id(cpu);
	clos_config.die_id = get_physical_die_id(cpu);

	clos_config.epp = clos_epp;
	clos_config.clos_prop_prio = clos_prop_prio;
	clos_config.clos_min = clos_min;
	clos_config.clos_max = clos_max;
	clos_config.clos_desired = clos_desired;
	ret = isst_set_clos(cpu, current_clos, &clos_config);
	if (ret)
		perror("isst_set_clos");
	else
		isst_display_result(cpu, outf, "core-power", "config", ret);
}

1802
static void set_clos_config(int arg)
1803 1804 1805 1806 1807 1808 1809 1810 1811
{
	if (cmd_help) {
		fprintf(stderr,
			"Set core-power configuration for one of the four clos ids\n");
		fprintf(stderr,
			"\tSpecify targeted clos id with [--clos|-c]\n");
		fprintf(stderr, "\tSpecify clos EPP with [--epp|-e]\n");
		fprintf(stderr,
			"\tSpecify clos Proportional Priority [--weight|-w]\n");
1812 1813 1814
		fprintf(stderr, "\tSpecify clos min in MHz with [--min|-n]\n");
		fprintf(stderr, "\tSpecify clos max in MHz with [--max|-m]\n");
		fprintf(stderr, "\tSpecify clos desired in MHz with [--desired|-d]\n");
1815 1816 1817 1818 1819 1820 1821 1822 1823 1824 1825 1826 1827 1828 1829 1830 1831 1832 1833 1834 1835
		exit(0);
	}

	if (current_clos < 0 || current_clos > 3) {
		fprintf(stderr, "Invalid clos id\n");
		exit(0);
	}
	if (clos_epp < 0 || clos_epp > 0x0F) {
		fprintf(stderr, "clos epp is not specified, default: 0\n");
		clos_epp = 0;
	}
	if (clos_prop_prio < 0 || clos_prop_prio > 0x0F) {
		fprintf(stderr,
			"clos frequency weight is not specified, default: 0\n");
		clos_prop_prio = 0;
	}
	if (clos_min < 0) {
		fprintf(stderr, "clos min is not specified, default: 0\n");
		clos_min = 0;
	}
	if (clos_max < 0) {
1836
		fprintf(stderr, "clos max is not specified, default: 25500 MHz\n");
1837 1838 1839 1840 1841 1842 1843 1844 1845 1846 1847 1848 1849 1850 1851 1852 1853 1854 1855 1856 1857 1858 1859 1860 1861 1862 1863 1864 1865
		clos_max = 0xff;
	}
	if (clos_desired < 0) {
		fprintf(stderr, "clos desired is not specified, default: 0\n");
		clos_desired = 0x00;
	}

	isst_ctdp_display_information_start(outf);
	if (max_target_cpus)
		for_each_online_target_cpu_in_set(set_clos_config_for_cpu, NULL,
						  NULL, NULL, NULL);
	else
		for_each_online_package_in_set(set_clos_config_for_cpu, NULL,
					       NULL, NULL, NULL);
	isst_ctdp_display_information_end(outf);
}

static void set_clos_assoc_for_cpu(int cpu, void *arg1, void *arg2, void *arg3,
				   void *arg4)
{
	int ret;

	ret = isst_clos_associate(cpu, current_clos);
	if (ret)
		perror("isst_clos_associate");
	else
		isst_display_result(cpu, outf, "core-power", "assoc", ret);
}

1866
static void set_clos_assoc(int arg)
1867 1868 1869 1870 1871 1872 1873 1874 1875 1876 1877 1878 1879 1880 1881 1882 1883 1884 1885 1886 1887 1888 1889 1890 1891 1892 1893 1894 1895 1896
{
	if (cmd_help) {
		fprintf(stderr, "Associate a clos id to a CPU\n");
		fprintf(stderr,
			"\tSpecify targeted clos id with [--clos|-c]\n");
		exit(0);
	}

	if (current_clos < 0 || current_clos > 3) {
		fprintf(stderr, "Invalid clos id\n");
		exit(0);
	}
	if (max_target_cpus)
		for_each_online_target_cpu_in_set(set_clos_assoc_for_cpu, NULL,
						  NULL, NULL, NULL);
	else {
		fprintf(stderr,
			"Invalid target cpu. Specify with [-c|--cpu]\n");
	}
}

static void get_clos_assoc_for_cpu(int cpu, void *arg1, void *arg2, void *arg3,
				   void *arg4)
{
	int clos, ret;

	ret = isst_clos_get_assoc_status(cpu, &clos);
	if (ret)
		perror("isst_clos_get_assoc_status");
	else
1897
		isst_clos_display_assoc_information(cpu, outf, clos);
1898 1899
}

1900
static void get_clos_assoc(int arg)
1901 1902 1903 1904 1905 1906
{
	if (cmd_help) {
		fprintf(stderr, "Get associate clos id to a CPU\n");
		fprintf(stderr, "\tSpecify targeted cpu id with [--cpu|-c]\n");
		exit(0);
	}
1907 1908

	if (!max_target_cpus) {
1909 1910
		fprintf(stderr,
			"Invalid target cpu. Specify with [-c|--cpu]\n");
1911
		exit(0);
1912
	}
1913 1914 1915 1916 1917

	isst_ctdp_display_information_start(outf);
	for_each_online_target_cpu_in_set(get_clos_assoc_for_cpu, NULL,
					  NULL, NULL, NULL);
	isst_ctdp_display_information_end(outf);
1918 1919
}

1920
static struct process_cmd_struct clx_n_cmds[] = {
1921
	{ "perf-profile", "info", dump_isst_config, 0 },
1922 1923 1924
	{ "base-freq", "info", dump_pbf_config, 0 },
	{ "base-freq", "enable", set_pbf_enable, 1 },
	{ "base-freq", "disable", set_pbf_enable, 0 },
1925 1926 1927
	{ NULL, NULL, NULL, 0 }
};

1928
static struct process_cmd_struct isst_cmds[] = {
1929 1930 1931 1932 1933 1934 1935 1936 1937 1938 1939 1940 1941 1942 1943 1944 1945 1946 1947 1948 1949
	{ "perf-profile", "get-lock-status", get_tdp_locked, 0 },
	{ "perf-profile", "get-config-levels", get_tdp_levels, 0 },
	{ "perf-profile", "get-config-version", get_tdp_version, 0 },
	{ "perf-profile", "get-config-enabled", get_tdp_enabled, 0 },
	{ "perf-profile", "get-config-current-level", get_tdp_current_level,
	 0 },
	{ "perf-profile", "set-config-level", set_tdp_level, 0 },
	{ "perf-profile", "info", dump_isst_config, 0 },
	{ "base-freq", "info", dump_pbf_config, 0 },
	{ "base-freq", "enable", set_pbf_enable, 1 },
	{ "base-freq", "disable", set_pbf_enable, 0 },
	{ "turbo-freq", "info", dump_fact_config, 0 },
	{ "turbo-freq", "enable", set_fact_enable, 1 },
	{ "turbo-freq", "disable", set_fact_enable, 0 },
	{ "core-power", "info", dump_clos_info, 0 },
	{ "core-power", "enable", set_clos_enable, 1 },
	{ "core-power", "disable", set_clos_enable, 0 },
	{ "core-power", "config", set_clos_config, 0 },
	{ "core-power", "get-config", dump_clos_config, 0 },
	{ "core-power", "assoc", set_clos_assoc, 0 },
	{ "core-power", "get-assoc", get_clos_assoc, 0 },
1950 1951 1952 1953 1954 1955 1956 1957 1958 1959 1960 1961 1962 1963 1964 1965 1966 1967 1968 1969 1970 1971 1972 1973 1974 1975 1976 1977 1978 1979 1980 1981 1982 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024 2025 2026 2027 2028
	{ NULL, NULL, NULL }
};

/*
 * parse cpuset with following syntax
 * 1,2,4..6,8-10 and set bits in cpu_subset
 */
void parse_cpu_command(char *optarg)
{
	unsigned int start, end;
	char *next;

	next = optarg;

	while (next && *next) {
		if (*next == '-') /* no negative cpu numbers */
			goto error;

		start = strtoul(next, &next, 10);

		if (max_target_cpus < MAX_CPUS_IN_ONE_REQ)
			target_cpus[max_target_cpus++] = start;

		if (*next == '\0')
			break;

		if (*next == ',') {
			next += 1;
			continue;
		}

		if (*next == '-') {
			next += 1; /* start range */
		} else if (*next == '.') {
			next += 1;
			if (*next == '.')
				next += 1; /* start range */
			else
				goto error;
		}

		end = strtoul(next, &next, 10);
		if (end <= start)
			goto error;

		while (++start <= end) {
			if (max_target_cpus < MAX_CPUS_IN_ONE_REQ)
				target_cpus[max_target_cpus++] = start;
		}

		if (*next == ',')
			next += 1;
		else if (*next != '\0')
			goto error;
	}

#ifdef DEBUG
	{
		int i;

		for (i = 0; i < max_target_cpus; ++i)
			printf("cpu [%d] in arg\n", target_cpus[i]);
	}
#endif
	return;

error:
	fprintf(stderr, "\"--cpu %s\" malformed\n", optarg);
	exit(-1);
}

static void parse_cmd_args(int argc, int start, char **argv)
{
	int opt;
	int option_index;

	static struct option long_options[] = {
		{ "bucket", required_argument, 0, 'b' },
		{ "level", required_argument, 0, 'l' },
2029
		{ "online", required_argument, 0, 'o' },
2030 2031 2032 2033 2034 2035 2036 2037 2038 2039
		{ "trl-type", required_argument, 0, 'r' },
		{ "trl", required_argument, 0, 't' },
		{ "help", no_argument, 0, 'h' },
		{ "clos", required_argument, 0, 'c' },
		{ "desired", required_argument, 0, 'd' },
		{ "epp", required_argument, 0, 'e' },
		{ "min", required_argument, 0, 'n' },
		{ "max", required_argument, 0, 'm' },
		{ "priority", required_argument, 0, 'p' },
		{ "weight", required_argument, 0, 'w' },
2040
		{ "auto", no_argument, 0, 'a' },
2041 2042 2043 2044 2045 2046
		{ 0, 0, 0, 0 }
	};

	option_index = start;

	optind = start + 1;
2047
	while ((opt = getopt_long(argc, argv, "b:l:t:c:d:e:n:m:p:w:hoa",
2048 2049
				  long_options, &option_index)) != -1) {
		switch (opt) {
2050 2051 2052
		case 'a':
			auto_mode = 1;
			break;
2053 2054 2055 2056 2057 2058 2059 2060 2061
		case 'b':
			fact_bucket = atoi(optarg);
			break;
		case 'h':
			cmd_help = 1;
			break;
		case 'l':
			tdp_level = atoi(optarg);
			break;
2062 2063 2064
		case 'o':
			force_online_offline = 1;
			break;
2065 2066 2067 2068 2069 2070 2071 2072 2073 2074 2075 2076 2077 2078 2079 2080 2081 2082 2083 2084 2085
		case 't':
			sscanf(optarg, "0x%llx", &fact_trl);
			break;
		case 'r':
			if (!strncmp(optarg, "sse", 3)) {
				fact_avx = 0x01;
			} else if (!strncmp(optarg, "avx2", 4)) {
				fact_avx = 0x02;
			} else if (!strncmp(optarg, "avx512", 4)) {
				fact_avx = 0x04;
			} else {
				fprintf(outf, "Invalid sse,avx options\n");
				exit(1);
			}
			break;
		/* CLOS related */
		case 'c':
			current_clos = atoi(optarg);
			break;
		case 'd':
			clos_desired = atoi(optarg);
2086
			clos_desired /= DISP_FREQ_MULTIPLIER;
2087 2088 2089 2090 2091 2092
			break;
		case 'e':
			clos_epp = atoi(optarg);
			break;
		case 'n':
			clos_min = atoi(optarg);
2093
			clos_min /= DISP_FREQ_MULTIPLIER;
2094 2095 2096
			break;
		case 'm':
			clos_max = atoi(optarg);
2097
			clos_max /= DISP_FREQ_MULTIPLIER;
2098 2099 2100 2101 2102 2103 2104 2105 2106 2107 2108 2109 2110 2111 2112 2113 2114 2115 2116 2117 2118
			break;
		case 'p':
			clos_priority_type = atoi(optarg);
			break;
		case 'w':
			clos_prop_prio = atoi(optarg);
			break;
		default:
			printf("no match\n");
		}
	}
}

static void isst_help(void)
{
	printf("perf-profile:\tAn architectural mechanism that allows multiple optimized \n\
		performance profiles per system via static and/or dynamic\n\
		adjustment of core count, workload, Tjmax, and\n\
		TDP, etc.\n");
	printf("\nCommands : For feature=perf-profile\n");
	printf("\tinfo\n");
2119 2120 2121 2122 2123 2124 2125 2126 2127

	if (!is_clx_n_platform()) {
		printf("\tget-lock-status\n");
		printf("\tget-config-levels\n");
		printf("\tget-config-version\n");
		printf("\tget-config-enabled\n");
		printf("\tget-config-current-level\n");
		printf("\tset-config-level\n");
	}
2128 2129 2130 2131 2132 2133 2134 2135 2136 2137 2138 2139 2140 2141 2142 2143 2144 2145 2146 2147 2148 2149 2150 2151 2152 2153 2154 2155 2156 2157 2158
}

static void pbf_help(void)
{
	printf("base-freq:\tEnables users to increase guaranteed base frequency\n\
		on certain cores (high priority cores) in exchange for lower\n\
		base frequency on remaining cores (low priority cores).\n");
	printf("\tcommand : info\n");
	printf("\tcommand : enable\n");
	printf("\tcommand : disable\n");
}

static void fact_help(void)
{
	printf("turbo-freq:\tEnables the ability to set different turbo ratio\n\
		limits to cores based on priority.\n");
	printf("\nCommand: For feature=turbo-freq\n");
	printf("\tcommand : info\n");
	printf("\tcommand : enable\n");
	printf("\tcommand : disable\n");
}

static void core_power_help(void)
{
	printf("core-power:\tInterface that allows user to define per core/tile\n\
		priority.\n");
	printf("\nCommands : For feature=core-power\n");
	printf("\tinfo\n");
	printf("\tenable\n");
	printf("\tdisable\n");
	printf("\tconfig\n");
2159
	printf("\tget-config\n");
2160 2161 2162 2163 2164 2165 2166 2167 2168 2169 2170 2171 2172 2173 2174 2175 2176
	printf("\tassoc\n");
	printf("\tget-assoc\n");
}

struct process_cmd_help_struct {
	char *feature;
	void (*process_fn)(void);
};

static struct process_cmd_help_struct isst_help_cmds[] = {
	{ "perf-profile", isst_help },
	{ "base-freq", pbf_help },
	{ "turbo-freq", fact_help },
	{ "core-power", core_power_help },
	{ NULL, NULL }
};

2177 2178 2179 2180 2181 2182
static struct process_cmd_help_struct clx_n_help_cmds[] = {
	{ "perf-profile", isst_help },
	{ "base-freq", pbf_help },
	{ NULL, NULL }
};

2183 2184 2185
void process_command(int argc, char **argv,
		     struct process_cmd_help_struct *help_cmds,
		     struct process_cmd_struct *cmds)
2186 2187 2188 2189 2190 2191 2192 2193 2194 2195
{
	int i = 0, matched = 0;
	char *feature = argv[optind];
	char *cmd = argv[optind + 1];

	if (!feature || !cmd)
		return;

	debug_printf("feature name [%s] command [%s]\n", feature, cmd);
	if (!strcmp(cmd, "-h") || !strcmp(cmd, "--help")) {
2196 2197 2198
		while (help_cmds[i].feature) {
			if (!strcmp(help_cmds[i].feature, feature)) {
				help_cmds[i].process_fn();
2199 2200 2201 2202 2203 2204
				exit(0);
			}
			++i;
		}
	}

2205 2206
	if (!is_clx_n_platform())
		create_cpu_map();
2207 2208

	i = 0;
2209 2210 2211
	while (cmds[i].feature) {
		if (!strcmp(cmds[i].feature, feature) &&
		    !strcmp(cmds[i].command, cmd)) {
2212
			parse_cmd_args(argc, optind + 1, argv);
2213
			cmds[i].process_fn(cmds[i].arg);
2214 2215 2216 2217 2218 2219 2220 2221 2222 2223 2224 2225 2226 2227 2228 2229 2230
			matched = 1;
			break;
		}
		++i;
	}

	if (!matched)
		fprintf(stderr, "Invalid command\n");
}

static void usage(void)
{
	printf("Intel(R) Speed Select Technology\n");
	printf("\nUsage:\n");
	printf("intel-speed-select [OPTIONS] FEATURE COMMAND COMMAND_ARGUMENTS\n");
	printf("\nUse this tool to enumerate and control the Intel Speed Select Technology features,\n");
	printf("\nFEATURE : [perf-profile|base-freq|turbo-freq|core-power]\n");
2231
	printf("\nFor help on each feature, use -h|--help\n");
2232 2233 2234 2235 2236 2237 2238 2239 2240 2241 2242 2243 2244 2245 2246 2247 2248 2249 2250 2251 2252 2253 2254 2255 2256 2257 2258 2259 2260 2261 2262 2263 2264 2265 2266 2267
	printf("\tFor example:  intel-speed-select perf-profile -h\n");

	printf("\nFor additional help on each command for a feature, use --h|--help\n");
	printf("\tFor example:  intel-speed-select perf-profile get-lock-status -h\n");
	printf("\t\t This will print help for the command \"get-lock-status\" for the feature \"perf-profile\"\n");

	printf("\nOPTIONS\n");
	printf("\t[-c|--cpu] : logical cpu number\n");
	printf("\t\tDefault: Die scoped for all dies in the system with multiple dies/package\n");
	printf("\t\t\t Or Package scoped for all Packages when each package contains one die\n");
	printf("\t[-d|--debug] : Debug mode\n");
	printf("\t[-h|--help] : Print help\n");
	printf("\t[-i|--info] : Print platform information\n");
	printf("\t[-o|--out] : Output file\n");
	printf("\t\t\tDefault : stderr\n");
	printf("\t[-f|--format] : output format [json|text]. Default: text\n");
	printf("\t[-v|--version] : Print version\n");

	printf("\nResult format\n");
	printf("\tResult display uses a common format for each command:\n");
	printf("\tResults are formatted in text/JSON with\n");
	printf("\t\tPackage, Die, CPU, and command specific results.\n");
	exit(1);
}

static void print_version(void)
{
	fprintf(outf, "Version %s\n", version_str);
	fprintf(outf, "Build date %s time %s\n", __DATE__, __TIME__);
	exit(0);
}

static void cmdline(int argc, char **argv)
{
	int opt;
	int option_index = 0;
2268
	int ret;
2269 2270 2271 2272 2273 2274 2275 2276 2277 2278 2279 2280 2281 2282 2283 2284 2285 2286 2287 2288 2289 2290 2291 2292 2293 2294 2295 2296 2297 2298 2299 2300 2301 2302 2303 2304 2305 2306 2307 2308 2309 2310 2311 2312 2313 2314 2315 2316 2317 2318 2319 2320 2321 2322 2323

	static struct option long_options[] = {
		{ "cpu", required_argument, 0, 'c' },
		{ "debug", no_argument, 0, 'd' },
		{ "format", required_argument, 0, 'f' },
		{ "help", no_argument, 0, 'h' },
		{ "info", no_argument, 0, 'i' },
		{ "out", required_argument, 0, 'o' },
		{ "version", no_argument, 0, 'v' },
		{ 0, 0, 0, 0 }
	};

	progname = argv[0];
	while ((opt = getopt_long_only(argc, argv, "+c:df:hio:v", long_options,
				       &option_index)) != -1) {
		switch (opt) {
		case 'c':
			parse_cpu_command(optarg);
			break;
		case 'd':
			debug_flag = 1;
			printf("Debug Mode ON\n");
			break;
		case 'f':
			if (!strncmp(optarg, "json", 4))
				out_format_json = 1;
			break;
		case 'h':
			usage();
			break;
		case 'i':
			isst_print_platform_information();
			break;
		case 'o':
			if (outf)
				fclose(outf);
			outf = fopen_or_exit(optarg, "w");
			break;
		case 'v':
			print_version();
			break;
		default:
			usage();
		}
	}

	if (geteuid() != 0) {
		fprintf(stderr, "Must run as root\n");
		exit(0);
	}

	if (optind > (argc - 2)) {
		fprintf(stderr, "Feature name and|or command not specified\n");
		exit(0);
	}
2324 2325 2326
	ret = update_cpu_model();
	if (ret)
		err(-1, "Invalid CPU model (%d)\n", cpu_model);
2327 2328 2329 2330 2331 2332
	printf("Intel(R) Speed Select Technology\n");
	printf("Executing on CPU model:%d[0x%x]\n", cpu_model, cpu_model);
	set_max_cpu_num();
	set_cpu_present_cpu_mask();
	set_cpu_target_cpu_mask();

2333 2334 2335 2336 2337 2338 2339 2340
	if (!is_clx_n_platform()) {
		ret = isst_fill_platform_info();
		if (ret)
			goto out;
		process_command(argc, argv, isst_help_cmds, isst_cmds);
	} else {
		process_command(argc, argv, clx_n_help_cmds, clx_n_cmds);
	}
2341 2342 2343
out:
	free_cpu_set(present_cpumask);
	free_cpu_set(target_cpumask);
2344 2345 2346 2347 2348 2349 2350 2351
}

int main(int argc, char **argv)
{
	outf = stderr;
	cmdline(argc, argv);
	return 0;
}