summaryrefslogtreecommitdiffstats
path: root/tools/power/cpupower/utils/helpers/sysfs.h
diff options
context:
space:
mode:
authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 10:05:51 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 10:05:51 +0000
commit5d1646d90e1f2cceb9f0828f4b28318cd0ec7744 (patch)
treea94efe259b9009378be6d90eb30d2b019d95c194 /tools/power/cpupower/utils/helpers/sysfs.h
parentInitial commit. (diff)
downloadlinux-upstream.tar.xz
linux-upstream.zip
Adding upstream version 5.10.209.upstream/5.10.209upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r--tools/power/cpupower/utils/helpers/sysfs.h39
1 files changed, 39 insertions, 0 deletions
diff --git a/tools/power/cpupower/utils/helpers/sysfs.h b/tools/power/cpupower/utils/helpers/sysfs.h
new file mode 100644
index 000000000..0f0b9ad97
--- /dev/null
+++ b/tools/power/cpupower/utils/helpers/sysfs.h
@@ -0,0 +1,39 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef __CPUPOWER_HELPERS_SYSFS_H__
+#define __CPUPOWER_HELPERS_SYSFS_H__
+
+#define PATH_TO_CPU "/sys/devices/system/cpu/"
+#define MAX_LINE_LEN 255
+#define SYSFS_PATH_MAX 255
+
+extern unsigned int sysfs_read_file(const char *path, char *buf, size_t buflen);
+
+extern unsigned int sysfs_idlestate_file_exists(unsigned int cpu,
+ unsigned int idlestate,
+ const char *fname);
+
+extern int sysfs_is_cpu_online(unsigned int cpu);
+
+extern int sysfs_is_idlestate_disabled(unsigned int cpu,
+ unsigned int idlestate);
+extern int sysfs_idlestate_disable(unsigned int cpu, unsigned int idlestate,
+ unsigned int disable);
+extern unsigned long sysfs_get_idlestate_latency(unsigned int cpu,
+ unsigned int idlestate);
+extern unsigned long sysfs_get_idlestate_usage(unsigned int cpu,
+ unsigned int idlestate);
+extern unsigned long long sysfs_get_idlestate_time(unsigned int cpu,
+ unsigned int idlestate);
+extern char *sysfs_get_idlestate_name(unsigned int cpu,
+ unsigned int idlestate);
+extern char *sysfs_get_idlestate_desc(unsigned int cpu,
+ unsigned int idlestate);
+extern unsigned int sysfs_get_idlestate_count(unsigned int cpu);
+
+extern char *sysfs_get_cpuidle_governor(void);
+extern char *sysfs_get_cpuidle_driver(void);
+
+extern int sysfs_get_sched(const char *smt_mc);
+extern int sysfs_set_sched(const char *smt_mc, int val);
+
+#endif /* __CPUPOWER_HELPERS_SYSFS_H__ */