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/*

 * 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 */