Commit | Line | Data |
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1da177e4 LT |
1 | /* |
2 | * linux/fs/nfs/callback.h | |
3 | * | |
4 | * Copyright (C) 2004 Trond Myklebust | |
5 | * | |
6 | * NFSv4 callback definitions | |
7 | */ | |
8 | #ifndef __LINUX_FS_NFS_CALLBACK_H | |
9 | #define __LINUX_FS_NFS_CALLBACK_H | |
10 | ||
11 | #define NFS4_CALLBACK 0x40000000 | |
12 | #define NFS4_CALLBACK_XDRSIZE 2048 | |
13 | #define NFS4_CALLBACK_BUFSIZE (1024 + NFS4_CALLBACK_XDRSIZE) | |
14 | ||
15 | enum nfs4_callback_procnum { | |
16 | CB_NULL = 0, | |
17 | CB_COMPOUND = 1, | |
18 | }; | |
19 | ||
20 | enum nfs4_callback_opnum { | |
21 | OP_CB_GETATTR = 3, | |
22 | OP_CB_RECALL = 4, | |
23 | OP_CB_ILLEGAL = 10044, | |
24 | }; | |
25 | ||
26 | struct cb_compound_hdr_arg { | |
2e42c3e2 | 27 | unsigned int taglen; |
1da177e4 LT |
28 | const char *tag; |
29 | unsigned int callback_ident; | |
30 | unsigned nops; | |
31 | }; | |
32 | ||
33 | struct cb_compound_hdr_res { | |
5704fdeb | 34 | __be32 *status; |
2e42c3e2 | 35 | unsigned int taglen; |
1da177e4 | 36 | const char *tag; |
5704fdeb | 37 | __be32 *nops; |
1da177e4 LT |
38 | }; |
39 | ||
40 | struct cb_getattrargs { | |
671beed7 | 41 | struct sockaddr *addr; |
1da177e4 LT |
42 | struct nfs_fh fh; |
43 | uint32_t bitmap[2]; | |
44 | }; | |
45 | ||
46 | struct cb_getattrres { | |
e6f684f6 | 47 | __be32 status; |
1da177e4 LT |
48 | uint32_t bitmap[2]; |
49 | uint64_t size; | |
50 | uint64_t change_attr; | |
51 | struct timespec ctime; | |
52 | struct timespec mtime; | |
53 | }; | |
54 | ||
55 | struct cb_recallargs { | |
c1d35866 | 56 | struct sockaddr *addr; |
1da177e4 LT |
57 | struct nfs_fh fh; |
58 | nfs4_stateid stateid; | |
59 | uint32_t truncate; | |
60 | }; | |
61 | ||
e6f684f6 AV |
62 | extern __be32 nfs4_callback_getattr(struct cb_getattrargs *args, struct cb_getattrres *res); |
63 | extern __be32 nfs4_callback_recall(struct cb_recallargs *args, void *dummy); | |
1da177e4 | 64 | |
5ae1fbce | 65 | #ifdef CONFIG_NFS_V4 |
1da177e4 | 66 | extern int nfs_callback_up(void); |
5ae1fbce DH |
67 | extern void nfs_callback_down(void); |
68 | #else | |
69 | #define nfs_callback_up() (0) | |
70 | #define nfs_callback_down() do {} while(0) | |
71 | #endif | |
1da177e4 | 72 | |
a72b4422 | 73 | extern unsigned int nfs_callback_set_tcpport; |
1da177e4 LT |
74 | extern unsigned short nfs_callback_tcpport; |
75 | ||
76 | #endif /* __LINUX_FS_NFS_CALLBACK_H */ |