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Rev | Author | Line No. | Line |
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424 | giacomo | 1 | /* |
2 | * linux/include/linux/lockd/nlm.h |
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3 | * |
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4 | * Declarations for the Network Lock Manager protocol. |
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5 | * |
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6 | * Copyright (C) 1996, Olaf Kirch <okir@monad.swb.de> |
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7 | */ |
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8 | |||
9 | #ifndef LINUX_LOCKD_NLM_H |
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10 | #define LINUX_LOCKD_NLM_H |
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11 | |||
12 | #include <linux/config.h> |
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13 | |||
14 | /* Maximum file offset in file_lock.fl_end */ |
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15 | # define NLM_OFFSET_MAX ((s32) 0x7fffffff) |
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16 | # define NLM4_OFFSET_MAX ((s64) ((~(u64)0) >> 1)) |
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17 | |||
18 | /* Return states for NLM */ |
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19 | enum { |
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20 | NLM_LCK_GRANTED = 0, |
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21 | NLM_LCK_DENIED = 1, |
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22 | NLM_LCK_DENIED_NOLOCKS = 2, |
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23 | NLM_LCK_BLOCKED = 3, |
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24 | NLM_LCK_DENIED_GRACE_PERIOD = 4, |
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25 | #ifdef CONFIG_LOCKD_V4 |
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26 | NLM_DEADLCK = 5, |
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27 | NLM_ROFS = 6, |
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28 | NLM_STALE_FH = 7, |
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29 | NLM_FBIG = 8, |
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30 | NLM_FAILED = 9, |
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31 | #endif |
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32 | }; |
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33 | |||
34 | #define NLM_PROGRAM 100021 |
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35 | |||
36 | #define NLMPROC_NULL 0 |
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37 | #define NLMPROC_TEST 1 |
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38 | #define NLMPROC_LOCK 2 |
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39 | #define NLMPROC_CANCEL 3 |
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40 | #define NLMPROC_UNLOCK 4 |
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41 | #define NLMPROC_GRANTED 5 |
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42 | #define NLMPROC_TEST_MSG 6 |
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43 | #define NLMPROC_LOCK_MSG 7 |
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44 | #define NLMPROC_CANCEL_MSG 8 |
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45 | #define NLMPROC_UNLOCK_MSG 9 |
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46 | #define NLMPROC_GRANTED_MSG 10 |
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47 | #define NLMPROC_TEST_RES 11 |
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48 | #define NLMPROC_LOCK_RES 12 |
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49 | #define NLMPROC_CANCEL_RES 13 |
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50 | #define NLMPROC_UNLOCK_RES 14 |
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51 | #define NLMPROC_GRANTED_RES 15 |
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52 | #define NLMPROC_NSM_NOTIFY 16 /* statd callback */ |
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53 | #define NLMPROC_SHARE 20 |
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54 | #define NLMPROC_UNSHARE 21 |
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55 | #define NLMPROC_NM_LOCK 22 |
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56 | #define NLMPROC_FREE_ALL 23 |
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57 | |||
58 | #endif /* LINUX_LOCKD_NLM_H */ |