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58 lines
1.3 KiB
58 lines
1.3 KiB
/* 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 <[email protected]> |
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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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