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From:   Prarit Bhargava <prarit@redhat.com>
To:     platform-driver-x86@vger.kernel.org
Cc:     linux-kernel@vger.kernel.org, Prarit Bhargava <prarit@redhat.com>,
        Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Subject: [PATCH 1/7] intel-speed-select: Add int argument to command functions
Date:   Thu, 26 Sep 2019 08:54:55 -0400
Message-Id: <20190926125501.1616-2-prarit@redhat.com>
In-Reply-To: <20190926125501.1616-1-prarit@redhat.com>
References: <20190926125501.1616-1-prarit@redhat.com>
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The current code structure has similar but separate command functions for
the enable and disable operations.  This can be improved by adding an int
argument to the command function structure, and interpreting 1 as enable
and 0 as disable.  This change results in the removal of the disable
command functions.

Add int argument to the command function structure.

Signed-off-by: Prarit Bhargava <prarit@redhat.com>
Cc: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
---
 .../x86/intel-speed-select/isst-config.c      | 184 +++++++-----------
 1 file changed, 69 insertions(+), 115 deletions(-)

diff --git a/tools/power/x86/intel-speed-select/isst-config.c b/tools/power/x86/intel-speed-select/isst-config.c
index 2a9890c8395a..9f2798caead9 100644
--- a/tools/power/x86/intel-speed-select/isst-config.c
+++ b/tools/power/x86/intel-speed-select/isst-config.c
@@ -11,7 +11,8 @@
 struct process_cmd_struct {
 	char *feature;
 	char *command;
-	void (*process_fn)(void);
+	void (*process_fn)(int arg);
+	int arg;
 };
 
 static const char *version_str = "v1.0";
@@ -678,7 +679,7 @@ static void exec_on_get_ctdp_cpu(int cpu, void *arg1, void *arg2, void *arg3,
 }
 
 #define _get_tdp_level(desc, suffix, object, help)                                \
-	static void get_tdp_##object(void)                                        \
+	static void get_tdp_##object(int arg)                                    \
 	{                                                                         \
 		struct isst_pkg_ctdp ctdp;                                        \
 \
@@ -724,7 +725,7 @@ static void dump_isst_config_for_cpu(int cpu, void *arg1, void *arg2,
 	}
 }
 
-static void dump_isst_config(void)
+static void dump_isst_config(int arg)
 {
 	if (cmd_help) {
 		fprintf(stderr,
@@ -787,7 +788,7 @@ static void set_tdp_level_for_cpu(int cpu, void *arg1, void *arg2, void *arg3,
 	}
 }
 
-static void set_tdp_level(void)
+static void set_tdp_level(int arg)
 {
 	if (cmd_help) {
 		fprintf(stderr, "Set Config TDP level\n");
@@ -827,7 +828,7 @@ static void dump_pbf_config_for_cpu(int cpu, void *arg1, void *arg2, void *arg3,
 	}
 }
 
-static void dump_pbf_config(void)
+static void dump_pbf_config(int arg)
 {
 	if (cmd_help) {
 		fprintf(stderr,
@@ -871,43 +872,27 @@ static void set_pbf_for_cpu(int cpu, void *arg1, void *arg2, void *arg3,
 	}
 }
 
-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)
+static void set_pbf_enable(int arg)
 {
-	int status = 0;
+	int enable = arg;
 
 	if (cmd_help) {
-		fprintf(stderr,
-			"Disable Intel Speed Select Technology base frequency feature [No command arguments are required]\n");
+		if (enable)
+			fprintf(stderr,
+				"Enable Intel Speed Select Technology base frequency feature [No command arguments are required]\n");
+		else
+			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);
+						  NULL, &enable);
 	else
 		for_each_online_package_in_set(set_pbf_for_cpu, NULL, NULL,
-					       NULL, &status);
+					       NULL, &enable);
 	isst_ctdp_display_information_end(outf);
 }
 
@@ -925,7 +910,7 @@ static void dump_fact_config_for_cpu(int cpu, void *arg1, void *arg2,
 					      fact_avx, &fact_info);
 }
 
-static void dump_fact_config(void)
+static void dump_fact_config(int arg)
 {
 	if (cmd_help) {
 		fprintf(stderr,
@@ -985,35 +970,17 @@ static void set_fact_for_cpu(int cpu, void *arg1, void *arg2, void *arg3,
 	}
 }
 
-static void set_fact_enable(void)
+static void set_fact_enable(int arg)
 {
-	int status = 1;
+	int enable = arg;
 
 	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");
+		if (enable)
+			fprintf(stderr,
+				"Enable Intel Speed Select Technology Turbo frequency feature\n");
+		else
+			fprintf(stderr,
+				"Disable Intel Speed Select Technology turbo frequency feature\n");
 		fprintf(stderr,
 			"Optional: -t|--trl : Specify turbo ratio limit\n");
 		exit(0);
@@ -1022,10 +989,10 @@ static void set_fact_disable(void)
 	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);
+						  NULL, &enable);
 	else
 		for_each_online_package_in_set(set_fact_for_cpu, NULL, NULL,
-					       NULL, &status);
+					       NULL, &enable);
 	isst_ctdp_display_information_end(outf);
 }
 
@@ -1048,19 +1015,25 @@ static void enable_clos_qos_config(int cpu, void *arg1, void *arg2, void *arg3,
 	}
 }
 
-static void set_clos_enable(void)
+static void set_clos_enable(int arg)
 {
-	int status = 1;
+	int enable = arg;
 
 	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");
+		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");
+		}
 		exit(0);
 	}
 
-	if (cpufreq_sysfs_present()) {
+	if (enable && cpufreq_sysfs_present()) {
 		fprintf(stderr,
 			"cpufreq subsystem and core-power enable will interfere with each other!\n");
 	}
@@ -1068,30 +1041,10 @@ static void set_clos_enable(void)
 	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);
+						  NULL, NULL, &enable);
 	else
 		for_each_online_package_in_set(enable_clos_qos_config, NULL,
-					       NULL, NULL, &status);
+					       NULL, NULL, &enable);
 	isst_ctdp_display_information_end(outf);
 }
 
@@ -1109,7 +1062,7 @@ static void dump_clos_config_for_cpu(int cpu, void *arg1, void *arg2,
 					      &clos_config);
 }
 
-static void dump_clos_config(void)
+static void dump_clos_config(int arg)
 {
 	if (cmd_help) {
 		fprintf(stderr,
@@ -1145,7 +1098,7 @@ static void get_clos_info_for_cpu(int cpu, void *arg1, void *arg2, void *arg3,
 		isst_clos_display_clos_information(cpu, outf, enable, prio_type);
 }
 
-static void dump_clos_info(void)
+static void dump_clos_info(int arg)
 {
 	if (cmd_help) {
 		fprintf(stderr,
@@ -1188,7 +1141,7 @@ static void set_clos_config_for_cpu(int cpu, void *arg1, void *arg2, void *arg3,
 		isst_display_result(cpu, outf, "core-power", "config", ret);
 }
 
-static void set_clos_config(void)
+static void set_clos_config(int arg)
 {
 	if (cmd_help) {
 		fprintf(stderr,
@@ -1252,7 +1205,7 @@ static void set_clos_assoc_for_cpu(int cpu, void *arg1, void *arg2, void *arg3,
 		isst_display_result(cpu, outf, "core-power", "assoc", ret);
 }
 
-static void set_clos_assoc(void)
+static void set_clos_assoc(int arg)
 {
 	if (cmd_help) {
 		fprintf(stderr, "Associate a clos id to a CPU\n");
@@ -1286,7 +1239,7 @@ static void get_clos_assoc_for_cpu(int cpu, void *arg1, void *arg2, void *arg3,
 		isst_clos_display_assoc_information(cpu, outf, clos);
 }
 
-static void get_clos_assoc(void)
+static void get_clos_assoc(int arg)
 {
 	if (cmd_help) {
 		fprintf(stderr, "Get associate clos id to a CPU\n");
@@ -1307,26 +1260,27 @@ static void get_clos_assoc(void)
 }
 
 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 },
+	{ "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 },
 	{ NULL, NULL, NULL }
 };
 
@@ -1571,7 +1525,7 @@ void process_command(int argc, char **argv)
 		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();
+			isst_cmds[i].process_fn(isst_cmds[i].arg);
 			matched = 1;
 			break;
 		}
-- 
2.21.0