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cbd8a35c WD |
1 | /* |
2 | * (C) Masami Komiya <[email protected]> 2004 | |
3 | * | |
1a459660 | 4 | * SPDX-License-Identifier: GPL-2.0+ |
cbd8a35c WD |
5 | */ |
6 | ||
7 | #ifndef __NFS_H__ | |
8 | #define __NFS_H__ | |
9 | ||
10 | #define SUNRPC_PORT 111 | |
11 | ||
12 | #define PROG_PORTMAP 100000 | |
13 | #define PROG_NFS 100003 | |
14 | #define PROG_MOUNT 100005 | |
15 | ||
16 | #define MSG_CALL 0 | |
17 | #define MSG_REPLY 1 | |
18 | ||
19 | #define PORTMAP_GETPORT 3 | |
20 | ||
21 | #define MOUNT_ADDENTRY 1 | |
22 | #define MOUNT_UMOUNTALL 4 | |
23 | ||
24 | #define NFS_LOOKUP 4 | |
25 | #define NFS_READLINK 5 | |
26 | #define NFS_READ 6 | |
27 | ||
b0baca98 GG |
28 | #define NFS3PROC_LOOKUP 3 |
29 | ||
cbd8a35c | 30 | #define NFS_FHSIZE 32 |
b0baca98 | 31 | #define NFS3_FHSIZE 64 |
cbd8a35c WD |
32 | |
33 | #define NFSERR_PERM 1 | |
34 | #define NFSERR_NOENT 2 | |
35 | #define NFSERR_ACCES 13 | |
36 | #define NFSERR_ISDIR 21 | |
37 | #define NFSERR_INVAL 22 | |
38 | ||
0b1e5806 TR |
39 | /* |
40 | * Block size used for NFS read accesses. A RPC reply packet (including all | |
cbd8a35c | 41 | * headers) must fit within a single Ethernet frame to avoid fragmentation. |
0b1e5806 TR |
42 | * However, if CONFIG_IP_DEFRAG is set, a bigger value could be used. In any |
43 | * case, most NFS servers are optimized for a power of 2. | |
bd931ca6 | 44 | */ |
0b1e5806 | 45 | #define NFS_READ_SIZE 1024 /* biggest power of two that fits Ether frame */ |
cbd8a35c | 46 | |
b0baca98 GG |
47 | /* Values for Accept State flag on RPC answers (See: rfc1831) */ |
48 | enum rpc_accept_stat { | |
49 | NFS_RPC_SUCCESS = 0, /* RPC executed successfully */ | |
50 | NFS_RPC_PROG_UNAVAIL = 1, /* remote hasn't exported program */ | |
51 | NFS_RPC_PROG_MISMATCH = 2, /* remote can't support version # */ | |
52 | NFS_RPC_PROC_UNAVAIL = 3, /* program can't support procedure */ | |
53 | NFS_RPC_GARBAGE_ARGS = 4, /* procedure can't decode params */ | |
54 | NFS_RPC_SYSTEM_ERR = 5 /* errors like memory allocation failure */ | |
55 | }; | |
56 | ||
cbd8a35c WD |
57 | struct rpc_t { |
58 | union { | |
59 | uint8_t data[2048]; | |
60 | struct { | |
61 | uint32_t id; | |
62 | uint32_t type; | |
63 | uint32_t rpcvers; | |
64 | uint32_t prog; | |
65 | uint32_t vers; | |
66 | uint32_t proc; | |
67 | uint32_t data[1]; | |
68 | } call; | |
69 | struct { | |
70 | uint32_t id; | |
71 | uint32_t type; | |
72 | uint32_t rstatus; | |
73 | uint32_t verifier; | |
74 | uint32_t v2; | |
75 | uint32_t astatus; | |
11e8ec96 | 76 | uint32_t data[NFS_READ_SIZE]; |
cbd8a35c WD |
77 | } reply; |
78 | } u; | |
704f3acf | 79 | } __attribute__((packed)); |
68c76a3a | 80 | void nfs_start(void); /* Begin NFS */ |
cbd8a35c WD |
81 | |
82 | ||
83 | /**********************************************************************/ | |
84 | ||
85 | #endif /* __NFS_H__ */ |