xref: /openbmc/u-boot/net/nfs.h (revision 1ac559d4)
1 /*
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.
41  * Chosen to be a power of two, as most NFS servers are optimized for this.  */
42 #define NFS_READ_SIZE   1024
43 
44 #define NFS_MAXLINKDEPTH 16
45 
46 struct rpc_t {
47 	union {
48 		uint8_t data[2048];
49 		struct {
50 			uint32_t id;
51 			uint32_t type;
52 			uint32_t rpcvers;
53 			uint32_t prog;
54 			uint32_t vers;
55 			uint32_t proc;
56 			uint32_t data[1];
57 		} call;
58 		struct {
59 			uint32_t id;
60 			uint32_t type;
61 			uint32_t rstatus;
62 			uint32_t verifier;
63 			uint32_t v2;
64 			uint32_t astatus;
65 			uint32_t data[19];
66 		} reply;
67 	} u;
68 };
69 extern void	NfsStart (void);	/* Begin NFS */
70 
71 
72 /**********************************************************************/
73 
74 #endif /* __NFS_H__ */
75