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/* SPDX-License-Identifier: GPL-2.0 */
/*
* 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 */