root/include/linux/lockd/nlm.h

INCLUDED FROM

/*
 * linux/include/linux/lockd/nlm.h
 *
 * Declarations for the Network Lock Manager protocol.
 *
 * Copyright (C) 1996, Olaf Kirch <okir@monad.swb.de>
 */

#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 */