support sysfs interface for mcctrl

executer/kernel/mcctrl/sysfs.h

@@ -0,0 +1,50 @@
+/**
+ * \file sysfs.h
+ *  License details are found in the file LICENSE.
+ * \brief
+ *  sysfs framework API definitions
+ * \author Gou Nakamura  <go.nakamura.yw@hitachi-solutions.com> \par
+ * 	Copyright (C) 2016  RIKEN AICS
+ */
+/*
+ * HISTORY:
+ */
+
+#ifndef MCCTRL_SYSFS_H
+#define MCCTRL_SYSFS_H
+
+#define SYSFS_PATH_MAX 1024
+
+/* for sysfs_unlinkf() */
+#define SYSFS_UNLINK_KEEP_ANCESTOR      0x01
+
+
+struct sysfsm_ops {
+	ssize_t (*show)(struct sysfsm_ops *ops, void *instance, void *buf,
+			size_t bufsize);
+	ssize_t (*store)(struct sysfsm_ops *ops, void *instance,
+			const void *buf, size_t bufsize);
+	void (*release)(struct sysfsm_ops *ops, void *instance);
+};
+
+struct sysfs_handle {
+	long handle;
+};
+typedef struct sysfs_handle sysfs_handle_t;
+
+
+extern int sysfsm_createf(ihk_os_t os, struct sysfsm_ops *ops, void *instance,
+		int mode, const char *fmt, ...);
+extern int sysfsm_mkdirf(ihk_os_t os, sysfs_handle_t *dirhp,
+		const char *fmt, ...);
+extern int sysfsm_symlinkf(ihk_os_t os, sysfs_handle_t targeth,
+		const char *fmt, ...);
+extern int sysfsm_lookupf(ihk_os_t os, sysfs_handle_t *objhp,
+		const char *fmt, ...);
+extern int sysfsm_unlinkf(ihk_os_t os, int flags, const char *fmt, ...);
+
+extern void sysfsm_cleanup(ihk_os_t os);
+extern void sysfsm_packet_handler(void *os, int msg, int err, long arg1,
+		long arg2);
+
+#endif /* MCCTRL_SYSFS_H */