49 lines
1.3 KiB
C
49 lines
1.3 KiB
C
/**
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* \file sysfs.h
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* License details are found in the file LICENSE.
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* \brief
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* sysfs framework API definitions
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* \author Gou Nakamura <go.nakamura.yw@hitachi-solutions.com> \par
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* Copyright (C) 2015 RIKEN AICS
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*/
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/*
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* HISTORY:
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*/
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#ifndef MCKERNEL_SYSFS_H
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#define MCKERNEL_SYSFS_H
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#define SYSFS_PATH_MAX 1024
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/* for sysfs_unlinkf() */
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#define SYSFS_UNLINK_KEEP_ANCESTOR 0x01
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struct sysfs_ops {
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ssize_t (*show)(struct sysfs_ops *ops, void *instance, void *buf,
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size_t bufsize);
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ssize_t (*store)(struct sysfs_ops *ops, void *instance, void *buf,
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size_t bufsize);
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void (*release)(struct sysfs_ops *ops, void *instance);
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};
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struct sysfs_handle {
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long handle;
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};
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typedef struct sysfs_handle sysfs_handle_t;
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extern int sysfs_createf(struct sysfs_ops *ops, void *instance, int mode,
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const char *fmt, ...);
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extern int sysfs_mkdirf(sysfs_handle_t *dirhp, const char *fmt, ...);
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extern int sysfs_symlinkf(sysfs_handle_t targeth, const char *fmt, ...);
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extern int sysfs_lookupf(sysfs_handle_t *objhp, const char *fmt, ...);
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extern int sysfs_unlinkf(int flags, const char *fmt, ...);
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extern void sysfs_init(void);
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struct ihk_ikc_channel_desc;
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extern void sysfss_packet_handler(struct ihk_ikc_channel_desc *ch, int msg,
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int error, long arg1, long arg2, long arg3);
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#endif /* MCKERNEL_SYSFS_H */
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