Merge remote-tracking branch 'intel-speed-select/intel-sst' into review-hans

tools/power/x86/intel-speed-select/isst-config.c

@@ -15,7 +15,7 @@ struct process_cmd_struct {
 	int arg;
 };
 
-static const char *version_str = "v1.7";
+static const char *version_str = "v1.8";
 static const int supported_api_ver = 1;
 static struct isst_if_platform_info isst_platform_info;
 static char *progname;
@@ -2304,6 +2304,102 @@ static void get_clos_assoc(int arg)
 	isst_ctdp_display_information_end(outf);
 }
 
+static void set_turbo_mode_for_cpu(int cpu, int status)
+{
+	int base_freq;
+
+	if (status) {
+		base_freq = get_cpufreq_base_freq(cpu);
+		set_cpufreq_scaling_min_max(cpu, 1, base_freq);
+	} else {
+		set_scaling_max_to_cpuinfo_max(cpu);
+	}
+
+	if (status) {
+		isst_display_result(cpu, outf, "turbo-mode", "enable", 0);
+	} else {
+		isst_display_result(cpu, outf, "turbo-mode", "disable", 0);
+	}
+}
+
+static void set_turbo_mode(int arg)
+{
+	int i, enable = arg;
+
+	if (cmd_help) {
+		if (enable)
+			fprintf(stderr, "Set turbo mode enable\n");
+		else
+			fprintf(stderr, "Set turbo mode disable\n");
+		exit(0);
+	}
+
+	isst_ctdp_display_information_start(outf);
+
+	for (i = 0; i < topo_max_cpus; ++i) {
+		int online;
+
+		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)
+			set_turbo_mode_for_cpu(i, enable);
+
+	}
+	isst_ctdp_display_information_end(outf);
+}
+
+static void get_set_trl(int cpu, void *arg1, void *arg2, void *arg3,
+			void *arg4)
+{
+	unsigned long long trl;
+	int set = *(int *)arg4;
+	int ret;
+
+	if (set && !fact_trl) {
+		isst_display_error_info_message(1, "Invalid TRL. Specify with [-t|--trl]", 0, 0);
+		exit(0);
+	}
+
+	if (set) {
+		ret = isst_set_trl(cpu, fact_trl);
+		isst_display_result(cpu, outf, "turbo-mode", "set-trl", ret);
+		return;
+	}
+
+	ret = isst_get_trl(cpu, &trl);
+	if (ret)
+		isst_display_result(cpu, outf, "turbo-mode", "get-trl", ret);
+	else
+		isst_trl_display_information(cpu, outf, trl);
+}
+
+static void process_trl(int arg)
+{
+	if (cmd_help) {
+		if (arg) {
+			fprintf(stderr, "Set TRL (turbo ratio limits)\n");
+			fprintf(stderr, "\t t|--trl: Specify turbo ratio limit for setting TRL\n");
+		} else {
+			fprintf(stderr, "Get TRL (turbo ratio limits)\n");
+		}
+		exit(0);
+	}
+
+	isst_ctdp_display_information_start(outf);
+	if (max_target_cpus)
+		for_each_online_target_cpu_in_set(get_set_trl, NULL,
+						  NULL, NULL, &arg);
+	else
+		for_each_online_package_in_set(get_set_trl, NULL,
+					       NULL, NULL, &arg);
+	isst_ctdp_display_information_end(outf);
+}
+
 static struct process_cmd_struct clx_n_cmds[] = {
 	{ "perf-profile", "info", dump_isst_config, 0 },
 	{ "base-freq", "info", dump_pbf_config, 0 },
@@ -2334,6 +2430,10 @@ static struct process_cmd_struct isst_cmds[] = {
 	{ "core-power", "get-config", dump_clos_config, 0 },
 	{ "core-power", "assoc", set_clos_assoc, 0 },
 	{ "core-power", "get-assoc", get_clos_assoc, 0 },
+	{ "turbo-mode", "enable", set_turbo_mode, 0 },
+	{ "turbo-mode", "disable", set_turbo_mode, 1 },
+	{ "turbo-mode", "get-trl", process_trl, 0 },
+	{ "turbo-mode", "set-trl", process_trl, 1 },
 	{ NULL, NULL, NULL }
 };
 
@@ -2549,6 +2649,16 @@ static void fact_help(void)
 	printf("\tcommand : disable\n");
 }
 
+static void turbo_mode_help(void)
+{
+	printf("turbo-mode:\tEnables users to enable/disable turbo mode by adjusting frequency settings. Also allows to get and set turbo ratio limits (TRL).\n");
+	printf("\tcommand : enable\n");
+	printf("\tcommand : disable\n");
+	printf("\tcommand : get-trl\n");
+	printf("\tcommand : set-trl\n");
+}
+
+
 static void core_power_help(void)
 {
 	printf("core-power:\tInterface that allows user to define per core/tile\n\
@@ -2573,6 +2683,7 @@ static struct process_cmd_help_struct isst_help_cmds[] = {
 	{ "base-freq", pbf_help },
 	{ "turbo-freq", fact_help },
 	{ "core-power", core_power_help },
+	{ "turbo-mode", turbo_mode_help },
 	{ NULL, NULL }
 };
 
@@ -2636,7 +2747,7 @@ static void usage(void)
 	if (is_clx_n_platform())
 		printf("\nFEATURE : [perf-profile|base-freq]\n");
 	else
-		printf("\nFEATURE : [perf-profile|base-freq|turbo-freq|core-power]\n");
+		printf("\nFEATURE : [perf-profile|base-freq|turbo-freq|core-power|turbo-mode]\n");
 	printf("\nFor help on each feature, use -h|--help\n");
 	printf("\tFor example:  intel-speed-select perf-profile -h\n");
 

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

@@ -665,6 +665,17 @@ int isst_get_fact_info(int cpu, int level, int fact_bucket, struct isst_fact_inf
 	return 0;
 }
 
+int isst_get_trl(int cpu, unsigned long long *trl)
+{
+	int ret;
+
+	ret = isst_send_msr_command(cpu, 0x1AD, 0, trl);
+	if (ret)
+		return ret;
+
+	return 0;
+}
+
 int isst_set_trl(int cpu, unsigned long long trl)
 {
 	int ret;

tools/power/x86/intel-speed-select/isst-display.c

@@ -763,3 +763,21 @@ void isst_display_error_info_message(int error, char *msg, int arg_valid, int ar
 	if (!start)
 		format_and_print(outf, 0, NULL, NULL);
 }
+
+void isst_trl_display_information(int cpu, FILE *outf, unsigned long long trl)
+{
+	char header[256];
+	char value[256];
+	int level;
+
+	level = print_package_info(cpu, outf);
+
+	snprintf(header, sizeof(header), "get-trl");
+	format_and_print(outf, level + 1, header, NULL);
+
+	snprintf(header, sizeof(header), "trl");
+	snprintf(value, sizeof(value), "0x%llx", trl);
+	format_and_print(outf, level + 2, header, value);
+
+	format_and_print(outf, level, NULL, NULL);
+}

tools/power/x86/intel-speed-select/isst.h

@@ -228,6 +228,7 @@ extern void isst_fact_display_information(int cpu, FILE *outf, int level,
 					  int fact_bucket, int fact_avx,
 					  struct isst_fact_info *fact_info);
 extern int isst_set_trl(int cpu, unsigned long long trl);
+extern int isst_get_trl(int cpu, unsigned long long *trl);
 extern int isst_set_trl_from_current_tdp(int cpu, unsigned long long trl);
 extern int isst_get_config_tdp_lock_status(int cpu);
 
@@ -256,4 +257,5 @@ extern int get_cpufreq_base_freq(int cpu);
 extern int isst_read_pm_config(int cpu, int *cp_state, int *cp_cap);
 extern void isst_display_error_info_message(int error, char *msg, int arg_valid, int arg);
 extern int is_skx_based_platform(void);
+extern void isst_trl_display_information(int cpu, FILE *outf, unsigned long long trl);
 #endif