1 /* 2 * (C) Masami Komiya <mkomiya@sonare.it> 2004 3 * 4 * SPDX-License-Identifier: GPL-2.0+ 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 28 #define NFS_FHSIZE 32 29 30 #define NFSERR_PERM 1 31 #define NFSERR_NOENT 2 32 #define NFSERR_ACCES 13 33 #define NFSERR_ISDIR 21 34 #define NFSERR_INVAL 22 35 36 /* Block size used for NFS read accesses. A RPC reply packet (including all 37 * headers) must fit within a single Ethernet frame to avoid fragmentation. 38 * However, if CONFIG_IP_DEFRAG is set, the config file may want to use a 39 * bigger value. In any case, most NFS servers are optimized for a power of 2. 40 */ 41 #ifdef CONFIG_NFS_READ_SIZE 42 #define NFS_READ_SIZE CONFIG_NFS_READ_SIZE 43 #else 44 #define NFS_READ_SIZE 1024 /* biggest power of two that fits Ether frame */ 45 #endif 46 47 #define NFS_MAXLINKDEPTH 16 48 49 struct rpc_t { 50 union { 51 uint8_t data[2048]; 52 struct { 53 uint32_t id; 54 uint32_t type; 55 uint32_t rpcvers; 56 uint32_t prog; 57 uint32_t vers; 58 uint32_t proc; 59 uint32_t data[1]; 60 } call; 61 struct { 62 uint32_t id; 63 uint32_t type; 64 uint32_t rstatus; 65 uint32_t verifier; 66 uint32_t v2; 67 uint32_t astatus; 68 uint32_t data[19]; 69 } reply; 70 } u; 71 }; 72 void nfs_start(void); /* Begin NFS */ 73 74 75 /**********************************************************************/ 76 77 #endif /* __NFS_H__ */ 78