Files
mckernel/executer/kernel/mcctrl/sysfs.h
2016-02-29 19:23:01 +09:00

74 lines
2.0 KiB
C

/**
* \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;
struct sysfsm_bitmap_param {
int nbits;
int padding;
void *ptr;
};
#define SYSFS_SPECIAL_OPS_MIN ((void *)1)
#define SYSFS_SPECIAL_OPS_MAX ((void *)1000)
#define SYSFS_SNOOPING_OPS_d32 ((void *)1)
#define SYSFS_SNOOPING_OPS_d64 ((void *)2)
#define SYSFS_SNOOPING_OPS_u32 ((void *)3)
#define SYSFS_SNOOPING_OPS_u64 ((void *)4)
#define SYSFS_SNOOPING_OPS_s ((void *)5)
#define SYSFS_SNOOPING_OPS_pbl ((void *)6)
#define SYSFS_SNOOPING_OPS_pb ((void *)7)
#define SYSFS_SNOOPING_OPS_u32K ((void *)8)
static inline int is_special_sysfs_ops(void *ops)
{
return (((long)SYSFS_SPECIAL_OPS_MIN <= (long)ops)
&& ((long)ops <= (long)SYSFS_SPECIAL_OPS_MAX));
}
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 */