nlm.h

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/*
 * linux/include/linux/lockd/nlm.h
 *
 * Declarations for the Network Lock Manager protocol.
 *
 * Copyright (C) 1996, Olaf Kirch <[email protected]>
 */

#ifndef LINUX_LOCKD_NLM_H
#define LINUX_LOCKD_NLM_H


/* Maximum file offset in file_lock.fl_end */
# define NLM_OFFSET_MAX     ((s32) 0x7fffffff)
# define NLM4_OFFSET_MAX    ((s64) ((~(u64)0) >> 1))

/* Return states for NLM */
enum {
    NLM_LCK_GRANTED         = 0,
    NLM_LCK_DENIED          = 1,
    NLM_LCK_DENIED_NOLOCKS      = 2,
    NLM_LCK_BLOCKED         = 3,
    NLM_LCK_DENIED_GRACE_PERIOD = 4,
#ifdef CONFIG_LOCKD_V4
    NLM_DEADLCK         = 5,
    NLM_ROFS            = 6,
    NLM_STALE_FH            = 7,
    NLM_FBIG            = 8,
    NLM_FAILED          = 9,
#endif
};

#define NLM_PROGRAM     100021

#define NLMPROC_NULL        0
#define NLMPROC_TEST        1
#define NLMPROC_LOCK        2
#define NLMPROC_CANCEL      3
#define NLMPROC_UNLOCK      4
#define NLMPROC_GRANTED     5
#define NLMPROC_TEST_MSG    6
#define NLMPROC_LOCK_MSG    7
#define NLMPROC_CANCEL_MSG  8
#define NLMPROC_UNLOCK_MSG  9
#define NLMPROC_GRANTED_MSG 10
#define NLMPROC_TEST_RES    11
#define NLMPROC_LOCK_RES    12
#define NLMPROC_CANCEL_RES  13
#define NLMPROC_UNLOCK_RES  14
#define NLMPROC_GRANTED_RES 15
#define NLMPROC_NSM_NOTIFY  16      /* statd callback */
#define NLMPROC_SHARE       20
#define NLMPROC_UNSHARE     21
#define NLMPROC_NM_LOCK     22
#define NLMPROC_FREE_ALL    23

#endif /* LINUX_LOCKD_NLM_H */