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wdenkcbd8a352004-02-24 02:00:03 +00001/*
2 * (C) Masami Komiya <mkomiya@sonare.it> 2004
3 *
4 * This program is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU General Public License as
6 * published by the Free Software Foundation; either version 2, or (at
7 * your option) any later version.
8 */
9
10#ifndef __NFS_H__
11#define __NFS_H__
12
13#define SUNRPC_PORT 111
14
15#define PROG_PORTMAP 100000
16#define PROG_NFS 100003
17#define PROG_MOUNT 100005
18
19#define MSG_CALL 0
20#define MSG_REPLY 1
21
22#define PORTMAP_GETPORT 3
23
24#define MOUNT_ADDENTRY 1
25#define MOUNT_UMOUNTALL 4
26
27#define NFS_LOOKUP 4
28#define NFS_READLINK 5
29#define NFS_READ 6
30
31#define NFS_FHSIZE 32
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
39/* Block size used for NFS read accesses. A RPC reply packet (including all
40 * headers) must fit within a single Ethernet frame to avoid fragmentation.
Alessandro Rubinibd931ca2009-08-07 13:59:16 +020041 * However, if CONFIG_IP_DEFRAG is set, the config file may want to use a
42 * bigger value. In any case, most NFS servers are optimized for a power of 2.
43 */
44#ifdef CONFIG_NFS_READ_SIZE
45#define NFS_READ_SIZE CONFIG_NFS_READ_SIZE
46#else
47#define NFS_READ_SIZE 1024 /* biggest power of two that fits Ether frame */
48#endif
wdenkcbd8a352004-02-24 02:00:03 +000049
50#define NFS_MAXLINKDEPTH 16
51
52struct rpc_t {
53 union {
54 uint8_t data[2048];
55 struct {
56 uint32_t id;
57 uint32_t type;
58 uint32_t rpcvers;
59 uint32_t prog;
60 uint32_t vers;
61 uint32_t proc;
62 uint32_t data[1];
63 } call;
64 struct {
65 uint32_t id;
66 uint32_t type;
67 uint32_t rstatus;
68 uint32_t verifier;
69 uint32_t v2;
70 uint32_t astatus;
wdenk11dadd542004-02-27 00:07:27 +000071 uint32_t data[19];
wdenkcbd8a352004-02-24 02:00:03 +000072 } reply;
73 } u;
74};
75extern void NfsStart (void); /* Begin NFS */
76
77
78/**********************************************************************/
79
80#endif /* __NFS_H__ */