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87 lines
2.1 KiB
87 lines
2.1 KiB
/* SPDX-License-Identifier: GPL-2.0+ */ |
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/* |
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* (C) Masami Komiya <[email protected]> 2004 |
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*/ |
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#ifndef __NFS_H__ |
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#define __NFS_H__ |
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#define SUNRPC_PORT 111 |
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#define PROG_PORTMAP 100000 |
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#define PROG_NFS 100003 |
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#define PROG_MOUNT 100005 |
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#define MSG_CALL 0 |
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#define MSG_REPLY 1 |
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#define PORTMAP_GETPORT 3 |
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#define MOUNT_ADDENTRY 1 |
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#define MOUNT_UMOUNTALL 4 |
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#define NFS_LOOKUP 4 |
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#define NFS_READLINK 5 |
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#define NFS_READ 6 |
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#define NFS3PROC_LOOKUP 3 |
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#define NFS_FHSIZE 32 |
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#define NFS3_FHSIZE 64 |
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#define NFSERR_PERM 1 |
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#define NFSERR_NOENT 2 |
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#define NFSERR_ACCES 13 |
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#define NFSERR_ISDIR 21 |
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#define NFSERR_INVAL 22 |
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/* |
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* Block size used for NFS read accesses. A RPC reply packet (including all |
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* headers) must fit within a single Ethernet frame to avoid fragmentation. |
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* However, if CONFIG_IP_DEFRAG is set, a bigger value could be used. In any |
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* case, most NFS servers are optimized for a power of 2. |
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*/ |
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#define NFS_READ_SIZE 1024 /* biggest power of two that fits Ether frame */ |
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#define NFS_MAX_ATTRS 26 |
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/* Values for Accept State flag on RPC answers (See: rfc1831) */ |
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enum rpc_accept_stat { |
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NFS_RPC_SUCCESS = 0, /* RPC executed successfully */ |
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NFS_RPC_PROG_UNAVAIL = 1, /* remote hasn't exported program */ |
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NFS_RPC_PROG_MISMATCH = 2, /* remote can't support version # */ |
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NFS_RPC_PROC_UNAVAIL = 3, /* program can't support procedure */ |
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NFS_RPC_GARBAGE_ARGS = 4, /* procedure can't decode params */ |
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NFS_RPC_SYSTEM_ERR = 5 /* errors like memory allocation failure */ |
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}; |
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struct rpc_t { |
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union { |
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uint8_t data[NFS_READ_SIZE + (6 + NFS_MAX_ATTRS) * |
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sizeof(uint32_t)]; |
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struct { |
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uint32_t id; |
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uint32_t type; |
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uint32_t rpcvers; |
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uint32_t prog; |
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uint32_t vers; |
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uint32_t proc; |
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uint32_t data[1]; |
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} call; |
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struct { |
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uint32_t id; |
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uint32_t type; |
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uint32_t rstatus; |
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uint32_t verifier; |
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uint32_t v2; |
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uint32_t astatus; |
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uint32_t data[NFS_READ_SIZE / sizeof(uint32_t) + |
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NFS_MAX_ATTRS]; |
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} reply; |
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} u; |
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} __attribute__((packed)); |
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void nfs_start(void); /* Begin NFS */ |
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/**********************************************************************/ |
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#endif /* __NFS_H__ */
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