xref: /rk3399_rockchip-uboot/net/nfs.h (revision bd931ca61c84039241d438ade4a9755ae0e5372f)
1cbd8a35cSwdenk /*
2cbd8a35cSwdenk  * (C) Masami Komiya <mkomiya@sonare.it> 2004
3cbd8a35cSwdenk  *
4cbd8a35cSwdenk  * This program is free software; you can redistribute it and/or
5cbd8a35cSwdenk  * modify it under the terms of the GNU General Public License as
6cbd8a35cSwdenk  * published by the Free Software Foundation; either version 2, or (at
7cbd8a35cSwdenk  * your option) any later version.
8cbd8a35cSwdenk  */
9cbd8a35cSwdenk 
10cbd8a35cSwdenk #ifndef __NFS_H__
11cbd8a35cSwdenk #define __NFS_H__
12cbd8a35cSwdenk 
13cbd8a35cSwdenk #define SUNRPC_PORT     111
14cbd8a35cSwdenk 
15cbd8a35cSwdenk #define PROG_PORTMAP    100000
16cbd8a35cSwdenk #define PROG_NFS        100003
17cbd8a35cSwdenk #define PROG_MOUNT      100005
18cbd8a35cSwdenk 
19cbd8a35cSwdenk #define MSG_CALL        0
20cbd8a35cSwdenk #define MSG_REPLY       1
21cbd8a35cSwdenk 
22cbd8a35cSwdenk #define PORTMAP_GETPORT 3
23cbd8a35cSwdenk 
24cbd8a35cSwdenk #define MOUNT_ADDENTRY  1
25cbd8a35cSwdenk #define MOUNT_UMOUNTALL 4
26cbd8a35cSwdenk 
27cbd8a35cSwdenk #define NFS_LOOKUP      4
28cbd8a35cSwdenk #define NFS_READLINK    5
29cbd8a35cSwdenk #define NFS_READ        6
30cbd8a35cSwdenk 
31cbd8a35cSwdenk #define NFS_FHSIZE      32
32cbd8a35cSwdenk 
33cbd8a35cSwdenk #define NFSERR_PERM     1
34cbd8a35cSwdenk #define NFSERR_NOENT    2
35cbd8a35cSwdenk #define NFSERR_ACCES    13
36cbd8a35cSwdenk #define NFSERR_ISDIR    21
37cbd8a35cSwdenk #define NFSERR_INVAL    22
38cbd8a35cSwdenk 
39cbd8a35cSwdenk /* Block size used for NFS read accesses.  A RPC reply packet (including  all
40cbd8a35cSwdenk  * headers) must fit within a single Ethernet frame to avoid fragmentation.
41*bd931ca6SAlessandro Rubini  * However, if CONFIG_IP_DEFRAG is set, the config file may want to use a
42*bd931ca6SAlessandro Rubini  * bigger value. In any case, most NFS servers are optimized for a power of 2.
43*bd931ca6SAlessandro Rubini  */
44*bd931ca6SAlessandro Rubini #ifdef CONFIG_NFS_READ_SIZE
45*bd931ca6SAlessandro Rubini #define NFS_READ_SIZE CONFIG_NFS_READ_SIZE
46*bd931ca6SAlessandro Rubini #else
47*bd931ca6SAlessandro Rubini #define NFS_READ_SIZE 1024 /* biggest power of two that fits Ether frame */
48*bd931ca6SAlessandro Rubini #endif
49cbd8a35cSwdenk 
50cbd8a35cSwdenk #define NFS_MAXLINKDEPTH 16
51cbd8a35cSwdenk 
52cbd8a35cSwdenk struct rpc_t {
53cbd8a35cSwdenk 	union {
54cbd8a35cSwdenk 		uint8_t data[2048];
55cbd8a35cSwdenk 		struct {
56cbd8a35cSwdenk 			uint32_t id;
57cbd8a35cSwdenk 			uint32_t type;
58cbd8a35cSwdenk 			uint32_t rpcvers;
59cbd8a35cSwdenk 			uint32_t prog;
60cbd8a35cSwdenk 			uint32_t vers;
61cbd8a35cSwdenk 			uint32_t proc;
62cbd8a35cSwdenk 			uint32_t data[1];
63cbd8a35cSwdenk 		} call;
64cbd8a35cSwdenk 		struct {
65cbd8a35cSwdenk 			uint32_t id;
66cbd8a35cSwdenk 			uint32_t type;
67cbd8a35cSwdenk 			uint32_t rstatus;
68cbd8a35cSwdenk 			uint32_t verifier;
69cbd8a35cSwdenk 			uint32_t v2;
70cbd8a35cSwdenk 			uint32_t astatus;
7111dadd54Swdenk 			uint32_t data[19];
72cbd8a35cSwdenk 		} reply;
73cbd8a35cSwdenk 	} u;
74cbd8a35cSwdenk };
75cbd8a35cSwdenk extern void	NfsStart (void);	/* Begin NFS */
76cbd8a35cSwdenk 
77cbd8a35cSwdenk 
78cbd8a35cSwdenk /**********************************************************************/
79cbd8a35cSwdenk 
80cbd8a35cSwdenk #endif /* __NFS_H__ */
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