Update Linux to v5.4.2

Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/tools/power/x86/intel-speed-select/isst-config.c b/tools/power/x86/intel-speed-select/isst-config.c
new file mode 100644
index 0000000..2a9890c
--- /dev/null
+++ b/tools/power/x86/intel-speed-select/isst-config.c
@@ -0,0 +1,1706 @@
+// 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;
+	void (*process_fn)(void);
+};
+
+static const char *version_str = "v1.0";
+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;
+
+#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;
+static int force_online_offline;
+
+/* 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);
+}
+
+static void update_cpu_model(void)
+{
+	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;
+}
+
+/* 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(
+		0, "/sys/devices/system/cpu/cpu%d/topology/physical_package_id",
+		cpu);
+}
+
+int get_physical_core_id(int cpu)
+{
+	return parse_int_file(
+		0, "/sys/devices/system/cpu/cpu%d/topology/core_id", cpu);
+}
+
+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;
+}
+
+int get_topo_max_cpus(void)
+{
+	return topo_max_cpus;
+}
+
+static void set_cpu_online_offline(int cpu, int state)
+{
+	char buffer[128];
+	int fd;
+
+	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)
+		write(fd, "1\n", 2);
+	else
+		write(fd, "0\n", 2);
+
+	close(fd);
+}
+
+#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);
+		/* 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);
+	topo_max_cpus--; /* 0 based */
+
+	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];
+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);
+			if (pkg_id < MAX_PACKAGE_COUNT &&
+			    die_id < MAX_DIE_PER_PACKAGE)
+				cpu_cnt[pkg_id][die_id]++;
+		}
+		closedir(dir);
+	}
+}
+
+int get_cpu_count(int pkg_id, int die_id)
+{
+	if (pkg_id < MAX_PACKAGE_COUNT && die_id < MAX_DIE_PER_PACKAGE)
+		return cpu_cnt[pkg_id][die_id];
+
+	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) {
+				if (!CPU_ISSET_S(j, present_cpumask_size, present_cpumask))
+					continue;
+
+				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);
+
+	if (isst_platform_info.mmio_supported && command == CONFIG_CLOS) {
+		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 = 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_PM_QOS_CONFIG:
+			ret = isst_send_mmio_command(cpu, PM_QOS_CONFIG_OFFSET,
+						     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);
+	} 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);
+
+	if (isst_platform_info.api_version > supported_api_ver) {
+		printf("Incompatible API versions; Upgrade of tool is required\n");
+		return -1;
+	}
+	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
+		isst_ctdp_display_core_info(cpu, outf, arg3,
+					    *(unsigned int *)arg4);
+}
+
+#define _get_tdp_level(desc, suffix, object, help)                                \
+	static void get_tdp_##object(void)                                        \
+	{                                                                         \
+		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");
+
+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);
+	}
+}
+
+static void dump_isst_config(void)
+{
+	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);
+	}
+
+	isst_ctdp_display_information_start(outf);
+
+	if (max_target_cpus)
+		for_each_online_target_cpu_in_set(dump_isst_config_for_cpu,
+						  NULL, NULL, NULL, NULL);
+	else
+		for_each_online_package_in_set(dump_isst_config_for_cpu, NULL,
+					       NULL, NULL, NULL);
+
+	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");
+	else {
+		isst_display_result(cpu, outf, "perf-profile", "set_tdp_level",
+				    ret);
+		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);
+					}
+				}
+			}
+		}
+	}
+}
+
+static void set_tdp_level(void)
+{
+	if (cmd_help) {
+		fprintf(stderr, "Set Config TDP level\n");
+		fprintf(stderr,
+			"\t Arguments: -l|--level : Specify tdp level\n");
+		fprintf(stderr,
+			"\t Optional Arguments: -o | online : online/offline for the tdp level\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(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);
+}
+
+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);
+	}
+}
+
+static void dump_pbf_config(void)
+{
+	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);
+	}
+
+	isst_ctdp_display_information_start(outf);
+	if (max_target_cpus)
+		for_each_online_target_cpu_in_set(dump_pbf_config_for_cpu, NULL,
+						  NULL, NULL, NULL);
+	else
+		for_each_online_package_in_set(dump_pbf_config_for_cpu, NULL,
+					       NULL, NULL, NULL);
+	isst_ctdp_display_information_end(outf);
+}
+
+static void set_pbf_for_cpu(int cpu, void *arg1, void *arg2, void *arg3,
+			    void *arg4)
+{
+	int ret;
+	int status = *(int *)arg4;
+
+	ret = isst_set_pbf_fact_status(cpu, 1, status);
+	if (ret) {
+		perror("isst_set_pbf");
+	} else {
+		if (status)
+			isst_display_result(cpu, outf, "base-freq", "enable",
+					    ret);
+		else
+			isst_display_result(cpu, outf, "base-freq", "disable",
+					    ret);
+	}
+}
+
+static void set_pbf_enable(void)
+{
+	int status = 1;
+
+	if (cmd_help) {
+		fprintf(stderr,
+			"Enable Intel Speed Select Technology base frequency feature [No command arguments are required]\n");
+		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,
+						  NULL, &status);
+	else
+		for_each_online_package_in_set(set_pbf_for_cpu, NULL, NULL,
+					       NULL, &status);
+	isst_ctdp_display_information_end(outf);
+}
+
+static void set_pbf_disable(void)
+{
+	int status = 0;
+
+	if (cmd_help) {
+		fprintf(stderr,
+			"Disable Intel Speed Select Technology base frequency feature [No command arguments are required]\n");
+		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,
+						  NULL, &status);
+	else
+		for_each_online_package_in_set(set_pbf_for_cpu, NULL, NULL,
+					       NULL, &status);
+	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);
+}
+
+static void dump_fact_config(void)
+{
+	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;
+
+	ret = isst_set_pbf_fact_status(cpu, 0, status);
+	if (ret)
+		perror("isst_set_fact");
+	else {
+		if (status) {
+			struct isst_pkg_ctdp pkg_dev;
+
+			ret = isst_get_ctdp_levels(cpu, &pkg_dev);
+			if (ret) {
+				isst_display_result(cpu, outf, "turbo-freq",
+						    "enable", ret);
+				return;
+			}
+			ret = isst_set_trl(cpu, fact_trl);
+			isst_display_result(cpu, outf, "turbo-freq", "enable",
+					    ret);
+		} 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);
+		}
+	}
+}
+
+static void set_fact_enable(void)
+{
+	int status = 1;
+
+	if (cmd_help) {
+		fprintf(stderr,
+			"Enable Intel Speed Select Technology Turbo frequency feature\n");
+		fprintf(stderr,
+			"Optional: -t|--trl : Specify turbo ratio limit\n");
+		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,
+						  NULL, &status);
+	else
+		for_each_online_package_in_set(set_fact_for_cpu, NULL, NULL,
+					       NULL, &status);
+	isst_ctdp_display_information_end(outf);
+}
+
+static void set_fact_disable(void)
+{
+	int status = 0;
+
+	if (cmd_help) {
+		fprintf(stderr,
+			"Disable Intel Speed Select Technology turbo frequency feature\n");
+		fprintf(stderr,
+			"Optional: -t|--trl : Specify turbo ratio limit\n");
+		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,
+						  NULL, &status);
+	else
+		for_each_online_package_in_set(set_fact_for_cpu, NULL, NULL,
+					       NULL, &status);
+	isst_ctdp_display_information_end(outf);
+}
+
+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);
+	if (ret) {
+		perror("isst_pm_qos_config");
+	} else {
+		if (status)
+			isst_display_result(cpu, outf, "core-power", "enable",
+					    ret);
+		else
+			isst_display_result(cpu, outf, "core-power", "disable",
+					    ret);
+	}
+}
+
+static void set_clos_enable(void)
+{
+	int status = 1;
+
+	if (cmd_help) {
+		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");
+		exit(0);
+	}
+
+	if (cpufreq_sysfs_present()) {
+		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,
+						  NULL, NULL, &status);
+	else
+		for_each_online_package_in_set(enable_clos_qos_config, NULL,
+					       NULL, NULL, &status);
+	isst_ctdp_display_information_end(outf);
+}
+
+static void set_clos_disable(void)
+{
+	int status = 0;
+
+	if (cmd_help) {
+		fprintf(stderr,
+			"Disable core-power: [No command arguments are required]\n");
+		exit(0);
+	}
+
+	isst_ctdp_display_information_start(outf);
+	if (max_target_cpus)
+		for_each_online_target_cpu_in_set(enable_clos_qos_config, NULL,
+						  NULL, NULL, &status);
+	else
+		for_each_online_package_in_set(enable_clos_qos_config, NULL,
+					       NULL, NULL, &status);
+	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);
+}
+
+static void dump_clos_config(void)
+{
+	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);
+}
+
+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);
+}
+
+static void dump_clos_info(void)
+{
+	if (cmd_help) {
+		fprintf(stderr,
+			"Print Intel Speed Select Technology core power information\n");
+		fprintf(stderr, "\tSpecify targeted cpu id with [--cpu|-c]\n");
+		exit(0);
+	}
+
+	if (!max_target_cpus) {
+		fprintf(stderr,
+			"Invalid target cpu. Specify with [-c|--cpu]\n");
+		exit(0);
+	}
+
+	isst_ctdp_display_information_start(outf);
+	for_each_online_target_cpu_in_set(get_clos_info_for_cpu, NULL,
+					  NULL, NULL, NULL);
+	isst_ctdp_display_information_end(outf);
+
+}
+
+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);
+}
+
+static void set_clos_config(void)
+{
+	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");
+		fprintf(stderr, "\tSpecify clos min with [--min|-n]\n");
+		fprintf(stderr, "\tSpecify clos max with [--max|-m]\n");
+		fprintf(stderr, "\tSpecify clos desired with [--desired|-d]\n");
+		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) {
+		fprintf(stderr, "clos max is not specified, default: 0xff\n");
+		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);
+}
+
+static void set_clos_assoc(void)
+{
+	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
+		isst_clos_display_assoc_information(cpu, outf, clos);
+}
+
+static void get_clos_assoc(void)
+{
+	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);
+	}
+
+	if (!max_target_cpus) {
+		fprintf(stderr,
+			"Invalid target cpu. Specify with [-c|--cpu]\n");
+		exit(0);
+	}
+
+	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);
+}
+
+static struct process_cmd_struct isst_cmds[] = {
+	{ "perf-profile", "get-lock-status", get_tdp_locked },
+	{ "perf-profile", "get-config-levels", get_tdp_levels },
+	{ "perf-profile", "get-config-version", get_tdp_version },
+	{ "perf-profile", "get-config-enabled", get_tdp_enabled },
+	{ "perf-profile", "get-config-current-level", get_tdp_current_level },
+	{ "perf-profile", "set-config-level", set_tdp_level },
+	{ "perf-profile", "info", dump_isst_config },
+	{ "base-freq", "info", dump_pbf_config },
+	{ "base-freq", "enable", set_pbf_enable },
+	{ "base-freq", "disable", set_pbf_disable },
+	{ "turbo-freq", "info", dump_fact_config },
+	{ "turbo-freq", "enable", set_fact_enable },
+	{ "turbo-freq", "disable", set_fact_disable },
+	{ "core-power", "info", dump_clos_info },
+	{ "core-power", "enable", set_clos_enable },
+	{ "core-power", "disable", set_clos_disable },
+	{ "core-power", "config", set_clos_config },
+	{ "core-power", "get-config", dump_clos_config },
+	{ "core-power", "assoc", set_clos_assoc },
+	{ "core-power", "get-assoc", get_clos_assoc },
+	{ 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' },
+		{ "online", required_argument, 0, 'o' },
+		{ "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' },
+		{ 0, 0, 0, 0 }
+	};
+
+	option_index = start;
+
+	optind = start + 1;
+	while ((opt = getopt_long(argc, argv, "b:l:t:c:d:e:n:m:p:w:ho",
+				  long_options, &option_index)) != -1) {
+		switch (opt) {
+		case 'b':
+			fact_bucket = atoi(optarg);
+			break;
+		case 'h':
+			cmd_help = 1;
+			break;
+		case 'l':
+			tdp_level = atoi(optarg);
+			break;
+		case 'o':
+			force_online_offline = 1;
+			break;
+		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);
+			break;
+		case 'e':
+			clos_epp = atoi(optarg);
+			break;
+		case 'n':
+			clos_min = atoi(optarg);
+			break;
+		case 'm':
+			clos_max = atoi(optarg);
+			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");
+	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");
+}
+
+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");
+	printf("\tget-config\n");
+	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 }
+};
+
+void process_command(int argc, char **argv)
+{
+	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")) {
+		while (isst_help_cmds[i].feature) {
+			if (!strcmp(isst_help_cmds[i].feature, feature)) {
+				isst_help_cmds[i].process_fn();
+				exit(0);
+			}
+			++i;
+		}
+	}
+
+	create_cpu_map();
+
+	i = 0;
+	while (isst_cmds[i].feature) {
+		if (!strcmp(isst_cmds[i].feature, feature) &&
+		    !strcmp(isst_cmds[i].command, cmd)) {
+			parse_cmd_args(argc, optind + 1, argv);
+			isst_cmds[i].process_fn();
+			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");
+	printf("\nFor help on each feature, use -h|--help\n");
+	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;
+	int ret;
+
+	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);
+	}
+	update_cpu_model();
+	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();
+	ret = isst_fill_platform_info();
+	if (ret)
+		goto out;
+
+	process_command(argc, argv);
+out:
+	free_cpu_set(present_cpumask);
+	free_cpu_set(target_cpumask);
+}
+
+int main(int argc, char **argv)
+{
+	outf = stderr;
+	cmdline(argc, argv);
+	return 0;
+}