/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* linux/include/linux/lockd/nlm.h
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*
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* Declarations for the Network Lock Manager protocol.
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*
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* Copyright (C) 1996, Olaf Kirch <okir@monad.swb.de>
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*/
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#ifndef LINUX_LOCKD_NLM_H
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#define LINUX_LOCKD_NLM_H
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/* Maximum file offset in file_lock.fl_end */
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# define NLM_OFFSET_MAX ((s32) 0x7fffffff)
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# define NLM4_OFFSET_MAX ((s64) ((~(u64)0) >> 1))
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/* Return states for NLM */
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enum {
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NLM_LCK_GRANTED = 0,
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NLM_LCK_DENIED = 1,
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NLM_LCK_DENIED_NOLOCKS = 2,
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NLM_LCK_BLOCKED = 3,
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NLM_LCK_DENIED_GRACE_PERIOD = 4,
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#ifdef CONFIG_LOCKD_V4
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NLM_DEADLCK = 5,
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NLM_ROFS = 6,
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NLM_STALE_FH = 7,
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NLM_FBIG = 8,
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NLM_FAILED = 9,
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#endif
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};
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#define NLM_PROGRAM 100021
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#define NLMPROC_NULL 0
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#define NLMPROC_TEST 1
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#define NLMPROC_LOCK 2
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#define NLMPROC_CANCEL 3
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#define NLMPROC_UNLOCK 4
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#define NLMPROC_GRANTED 5
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#define NLMPROC_TEST_MSG 6
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#define NLMPROC_LOCK_MSG 7
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#define NLMPROC_CANCEL_MSG 8
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#define NLMPROC_UNLOCK_MSG 9
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#define NLMPROC_GRANTED_MSG 10
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#define NLMPROC_TEST_RES 11
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#define NLMPROC_LOCK_RES 12
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#define NLMPROC_CANCEL_RES 13
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#define NLMPROC_UNLOCK_RES 14
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#define NLMPROC_GRANTED_RES 15
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#define NLMPROC_NSM_NOTIFY 16 /* statd callback */
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#define NLMPROC_SHARE 20
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#define NLMPROC_UNSHARE 21
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#define NLMPROC_NM_LOCK 22
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#define NLMPROC_FREE_ALL 23
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#endif /* LINUX_LOCKD_NLM_H */
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