1c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru/* 2c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru * NFS protocol definitions 3c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru * 4c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru * This file contains constants mostly for Version 2 of the protocol, 5c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru * but also has a couple of NFSv3 bits in (notably the error codes). 6c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru */ 7c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#ifndef _LINUX_NFS_H 8c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define _LINUX_NFS_H 9c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 10c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define NFS_PROGRAM 100003 11c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define NFS_PORT 2049 12c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define NFS_MAXDATA 8192 13c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define NFS_MAXPATHLEN 1024 14c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define NFS_MAXNAMLEN 255 15c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define NFS_MAXGROUPS 16 16c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define NFS_FHSIZE 32 17c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define NFS_COOKIESIZE 4 18c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define NFS_FIFO_DEV (-1) 19c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define NFSMODE_FMT 0170000 20c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define NFSMODE_DIR 0040000 21c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define NFSMODE_CHR 0020000 22c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define NFSMODE_BLK 0060000 23c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define NFSMODE_REG 0100000 24c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define NFSMODE_LNK 0120000 25c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define NFSMODE_SOCK 0140000 26c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define NFSMODE_FIFO 0010000 27c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 28c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define NFS_MNT_PROGRAM 100005 29c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define NFS_MNT_PORT 627 30c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 31c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru/* 32c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru * NFS stats. The good thing with these values is that NFSv3 errors are 33c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru * a superset of NFSv2 errors (with the exception of NFSERR_WFLUSH which 34c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru * no-one uses anyway), so we can happily mix code as long as we make sure 35c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru * no NFSv3 errors are returned to NFSv2 clients. 36c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru * Error codes that have a `--' in the v2 column are not part of the 37c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru * standard, but seem to be widely used nevertheless. 38c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru */ 39c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru enum nfs_stat { 40c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru NFS_OK = 0, /* v2 v3 v4 */ 41c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru NFSERR_PERM = 1, /* v2 v3 v4 */ 42c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru NFSERR_NOENT = 2, /* v2 v3 v4 */ 43c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru NFSERR_IO = 5, /* v2 v3 v4 */ 44c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru NFSERR_NXIO = 6, /* v2 v3 v4 */ 45c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru NFSERR_EAGAIN = 11, /* v2 v3 */ 46c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru NFSERR_ACCES = 13, /* v2 v3 v4 */ 47c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru NFSERR_EXIST = 17, /* v2 v3 v4 */ 48c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru NFSERR_XDEV = 18, /* v3 v4 */ 49c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru NFSERR_NODEV = 19, /* v2 v3 v4 */ 50c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru NFSERR_NOTDIR = 20, /* v2 v3 v4 */ 51c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru NFSERR_ISDIR = 21, /* v2 v3 v4 */ 52c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru NFSERR_INVAL = 22, /* v2 v3 v4 */ 53c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru NFSERR_FBIG = 27, /* v2 v3 v4 */ 54c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru NFSERR_NOSPC = 28, /* v2 v3 v4 */ 55c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru NFSERR_ROFS = 30, /* v2 v3 v4 */ 56c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru NFSERR_MLINK = 31, /* v3 v4 */ 57c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru NFSERR_OPNOTSUPP = 45, /* v2 v3 */ 58c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru NFSERR_NAMETOOLONG = 63, /* v2 v3 v4 */ 59c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru NFSERR_NOTEMPTY = 66, /* v2 v3 v4 */ 60c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru NFSERR_DQUOT = 69, /* v2 v3 v4 */ 61c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru NFSERR_STALE = 70, /* v2 v3 v4 */ 62c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru NFSERR_REMOTE = 71, /* v2 v3 */ 63c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru NFSERR_WFLUSH = 99, /* v2 */ 64c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru NFSERR_BADHANDLE = 10001, /* v3 v4 */ 65c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru NFSERR_NOT_SYNC = 10002, /* v3 */ 66c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru NFSERR_BAD_COOKIE = 10003, /* v3 v4 */ 67c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru NFSERR_NOTSUPP = 10004, /* v3 v4 */ 68c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru NFSERR_TOOSMALL = 10005, /* v3 v4 */ 69c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru NFSERR_SERVERFAULT = 10006, /* v3 v4 */ 70c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru NFSERR_BADTYPE = 10007, /* v3 v4 */ 71c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru NFSERR_JUKEBOX = 10008, /* v3 v4 */ 72c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru NFSERR_SAME = 10009, /* v4 */ 73c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru NFSERR_DENIED = 10010, /* v4 */ 74c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru NFSERR_EXPIRED = 10011, /* v4 */ 75c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru NFSERR_LOCKED = 10012, /* v4 */ 76c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru NFSERR_GRACE = 10013, /* v4 */ 77c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru NFSERR_FHEXPIRED = 10014, /* v4 */ 78c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru NFSERR_SHARE_DENIED = 10015, /* v4 */ 79c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru NFSERR_WRONGSEC = 10016, /* v4 */ 80c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru NFSERR_CLID_INUSE = 10017, /* v4 */ 81c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru NFSERR_RESOURCE = 10018, /* v4 */ 82c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru NFSERR_MOVED = 10019, /* v4 */ 83c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru NFSERR_NOFILEHANDLE = 10020, /* v4 */ 84c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru NFSERR_MINOR_VERS_MISMATCH = 10021, /* v4 */ 85c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru NFSERR_STALE_CLIENTID = 10022, /* v4 */ 86c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru NFSERR_STALE_STATEID = 10023, /* v4 */ 87c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru NFSERR_OLD_STATEID = 10024, /* v4 */ 88c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru NFSERR_BAD_STATEID = 10025, /* v4 */ 89c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru NFSERR_BAD_SEQID = 10026, /* v4 */ 90c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru NFSERR_NOT_SAME = 10027, /* v4 */ 91c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru NFSERR_LOCK_RANGE = 10028, /* v4 */ 92c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru NFSERR_SYMLINK = 10029, /* v4 */ 93c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru NFSERR_RESTOREFH = 10030, /* v4 */ 94c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru NFSERR_LEASE_MOVED = 10031, /* v4 */ 95c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru NFSERR_ATTRNOTSUPP = 10032, /* v4 */ 96c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru NFSERR_NO_GRACE = 10033, /* v4 */ 97c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru NFSERR_RECLAIM_BAD = 10034, /* v4 */ 98c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru NFSERR_RECLAIM_CONFLICT = 10035,/* v4 */ 99c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru NFSERR_BAD_XDR = 10036, /* v4 */ 100c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru NFSERR_LOCKS_HELD = 10037, /* v4 */ 101c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru NFSERR_OPENMODE = 10038, /* v4 */ 102c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru NFSERR_BADOWNER = 10039, /* v4 */ 103c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru NFSERR_BADCHAR = 10040, /* v4 */ 104c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru NFSERR_BADNAME = 10041, /* v4 */ 105c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru NFSERR_BAD_RANGE = 10042, /* v4 */ 106c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru NFSERR_LOCK_NOTSUPP = 10043, /* v4 */ 107c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru NFSERR_OP_ILLEGAL = 10044, /* v4 */ 108c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru NFSERR_DEADLOCK = 10045, /* v4 */ 109c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru NFSERR_FILE_OPEN = 10046, /* v4 */ 110c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru NFSERR_ADMIN_REVOKED = 10047, /* v4 */ 111c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru NFSERR_CB_PATH_DOWN = 10048, /* v4 */ 112c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru NFSERR_REPLAY_ME = 10049 /* v4 */ 113c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru}; 114c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 115c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru/* NFSv2 file types - beware, these are not the same in NFSv3 */ 116c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 117c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queruenum nfs_ftype { 118c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru NFNON = 0, 119c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru NFREG = 1, 120c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru NFDIR = 2, 121c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru NFBLK = 3, 122c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru NFCHR = 4, 123c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru NFLNK = 5, 124c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru NFSOCK = 6, 125c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru NFBAD = 7, 126c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru NFFIFO = 8 127c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru}; 128c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 129c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#ifdef __KERNEL__ 130c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#include <linux/sunrpc/msg_prot.h> 131c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#include <linux/string.h> 132c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 133c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru/* 134c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru * This is the kernel NFS client file handle representation 135c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru */ 136c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define NFS_MAXFHSIZE 128 137c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Querustruct nfs_fh { 138c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru unsigned short size; 139c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru unsigned char data[NFS_MAXFHSIZE]; 140c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru}; 141c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 142c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru/* 143c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru * Returns a zero iff the size and data fields match. 144c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru * Checks only "size" bytes in the data field. 145c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru */ 146c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Querustatic inline int nfs_compare_fh(const struct nfs_fh *a, const struct nfs_fh *b) 147c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru{ 148c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru return a->size != b->size || memcmp(a->data, b->data, a->size) != 0; 149c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru} 150c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 151c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Querustatic inline void nfs_copy_fh(struct nfs_fh *target, const struct nfs_fh *source) 152c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru{ 153c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru target->size = source->size; 154c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru memcpy(target->data, source->data, source->size); 155c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru} 156c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 157c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 158c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru/* 159c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru * This is really a general kernel constant, but since nothing like 160c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru * this is defined in the kernel headers, I have to do it here. 161c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru */ 162c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define NFS_OFFSET_MAX ((__s64)((~(__u64)0) >> 1)) 163c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 164c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 165c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queruenum nfs3_stable_how { 166c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru NFS_UNSTABLE = 0, 167c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru NFS_DATA_SYNC = 1, 168c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru NFS_FILE_SYNC = 2 169c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru}; 170c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#endif /* __KERNEL__ */ 171c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#endif /* _LINUX_NFS_H */ 172