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#ifndef _LINUX_NFS_XDR_H
#define _LINUX_NFS_XDR_H
extern struct rpc_program nfs_program;
extern struct rpc_stat nfs_rpcstat;
struct nfs_fattr {
unsigned short valid; /* which fields are valid */
__u64 pre_size; /* pre_op_attr.size */
__u64 pre_mtime; /* pre_op_attr.mtime */
__u64 pre_ctime; /* pre_op_attr.ctime */
enum nfs_ftype type; /* always use NFSv2 types */
__u32 mode;
__u32 nlink;
__u32 uid;
__u32 gid;
__u64 size;
union {
struct {
__u32 blocksize;
__u32 blocks;
} nfs2;
struct {
__u64 used;
} nfs3;
} du;
__u32 rdev;
__u64 fsid;
__u64 fileid;
__u64 atime;
__u64 mtime;
__u64 ctime;
};
#define NFS_ATTR_WCC 0x0001 /* pre-op WCC data */
#define NFS_ATTR_FATTR 0x0002 /* post-op attributes */
#define NFS_ATTR_FATTR_V3 0x0004 /* NFSv3 attributes */
/*
* Info on the file system
*/
struct nfs_fsinfo {
__u32 rtmax; /* max. read transfer size */
__u32 rtpref; /* pref. read transfer size */
__u32 rtmult; /* reads should be multiple of this */
__u32 wtmax; /* max. write transfer size */
__u32 wtpref; /* pref. write transfer size */
__u32 wtmult; /* writes should be multiple of this */
__u32 dtpref; /* pref. readdir transfer size */
__u64 maxfilesize;
__u64 bsize; /* block size */
__u64 tbytes; /* total size in bytes */
__u64 fbytes; /* # of free bytes */
__u64 abytes; /* # of bytes available to user */
__u64 tfiles; /* # of files */
__u64 ffiles; /* # of free files */
__u64 afiles; /* # of files available to user */
__u32 linkmax;/* max # of hard links */
__u32 namelen;/* max name length */
};
/* Arguments to the read call.
* Note that NFS_READ_MAXIOV must be <= (MAX_IOVEC-2) from sunrpc/xprt.h
*/
#define NFS_READ_MAXIOV 8
struct nfs_readargs {
struct nfs_fh * fh;
__u64 offset;
__u32 count;
unsigned int nriov;
struct iovec iov[NFS_READ_MAXIOV];
};
struct nfs_readres {
struct nfs_fattr * fattr;
__u32 count;
int eof;
};
/* Arguments to the write call.
* Note that NFS_WRITE_MAXIOV must be <= (MAX_IOVEC-2) from sunrpc/xprt.h
*/
#define NFS_WRITE_MAXIOV 8
struct nfs_writeargs {
struct nfs_fh * fh;
__u64 offset;
__u32 count;
enum nfs3_stable_how stable;
unsigned int nriov;
struct iovec iov[NFS_WRITE_MAXIOV];
};
struct nfs_writeverf {
enum nfs3_stable_how committed;
__u32 verifier[2];
};
struct nfs_writeres {
struct nfs_fattr * fattr;
struct nfs_writeverf * verf;
__u32 count;
};
/*
* Argument struct for decode_entry function
*/
struct nfs_entry {
__u64 ino;
__u64 cookie,
prev_cookie;
const char * name;
unsigned int len;
int eof;
struct nfs_fh fh;
struct nfs_fattr fattr;
};
/*
* The following types are for NFSv2 only.
*/
struct nfs_sattrargs {
struct nfs_fh * fh;
struct iattr * sattr;
};
struct nfs_diropargs {
struct nfs_fh * fh;
const char * name;
unsigned int len;
};
struct nfs_createargs {
struct nfs_fh * fh;
const char * name;
unsigned int len;
struct iattr * sattr;
};
struct nfs_renameargs {
struct nfs_fh * fromfh;
const char * fromname;
unsigned int fromlen;
struct nfs_fh * tofh;
const char * toname;
unsigned int tolen;
};
struct nfs_linkargs {
struct nfs_fh * fromfh;
struct nfs_fh * tofh;
const char * toname;
unsigned int tolen;
};
struct nfs_symlinkargs {
struct nfs_fh * fromfh;
const char * fromname;
unsigned int fromlen;
const char * topath;
unsigned int tolen;
struct iattr * sattr;
};
struct nfs_readdirargs {
struct nfs_fh * fh;
__u32 cookie;
void * buffer;
unsigned int bufsiz;
};
struct nfs_diropok {
struct nfs_fh * fh;
struct nfs_fattr * fattr;
};
struct nfs_readlinkargs {
struct nfs_fh * fh;
void * buffer;
unsigned int bufsiz;
};
struct nfs_readlinkres {
void * buffer;
unsigned int bufsiz;
};
struct nfs_readdirres {
void * buffer;
unsigned int bufsiz;
};
struct nfs3_sattrargs {
struct nfs_fh * fh;
struct iattr * sattr;
unsigned int guard;
__u64 guardtime;
};
struct nfs3_diropargs {
struct nfs_fh * fh;
const char * name;
unsigned int len;
};
struct nfs3_accessargs {
struct nfs_fh * fh;
__u32 access;
};
struct nfs3_createargs {
struct nfs_fh * fh;
const char * name;
unsigned int len;
struct iattr * sattr;
enum nfs3_createmode createmode;
__u32 verifier[2];
};
struct nfs3_mkdirargs {
struct nfs_fh * fh;
const char * name;
unsigned int len;
struct iattr * sattr;
};
struct nfs3_symlinkargs {
struct nfs_fh * fromfh;
const char * fromname;
unsigned int fromlen;
const char * topath;
unsigned int tolen;
struct iattr * sattr;
};
struct nfs3_mknodargs {
struct nfs_fh * fh;
const char * name;
unsigned int len;
enum nfs3_ftype type;
struct iattr * sattr;
dev_t rdev;
};
struct nfs3_renameargs {
struct nfs_fh * fromfh;
const char * fromname;
unsigned int fromlen;
struct nfs_fh * tofh;
const char * toname;
unsigned int tolen;
};
struct nfs3_linkargs {
struct nfs_fh * fromfh;
struct nfs_fh * tofh;
const char * toname;
unsigned int tolen;
};
struct nfs3_readdirargs {
struct nfs_fh * fh;
__u64 cookie;
__u32 verf[2];
void * buffer;
unsigned int bufsiz;
int plus;
};
struct nfs3_diropres {
struct nfs_fattr * dir_attr;
struct nfs_fh * fh;
struct nfs_fattr * fattr;
};
struct nfs3_accessres {
struct nfs_fattr * fattr;
__u32 access;
};
struct nfs3_readlinkargs {
struct nfs_fh * fh;
void * buffer;
unsigned int bufsiz;
};
struct nfs3_readlinkres {
struct nfs_fattr * fattr;
void * buffer;
unsigned int bufsiz;
};
struct nfs3_renameres {
struct nfs_fattr * fromattr;
struct nfs_fattr * toattr;
};
struct nfs3_linkres {
struct nfs_fattr * dir_attr;
struct nfs_fattr * fattr;
};
struct nfs3_readdirres {
struct nfs_fattr * dir_attr;
__u32 * verf;
void * buffer;
unsigned int bufsiz;
int plus;
};
/*
* RPC procedure vector for NFSv2/NFSv3 demuxing
*/
struct nfs_rpc_ops {
int version; /* Protocol version */
int (*getroot) (struct nfs_server *, struct nfs_fh *,
struct nfs_fattr *);
int (*getattr) (struct inode *, struct nfs_fattr *);
int (*setattr) (struct inode *, struct nfs_fattr *,
struct iattr *);
int (*lookup) (struct inode *, struct qstr *,
struct nfs_fh *, struct nfs_fattr *);
int (*access) (struct inode *, int , int);
int (*readlink)(struct inode *, void *, unsigned int);
int (*read) (struct inode *, struct rpc_cred *,
struct nfs_fattr *,
int, loff_t, unsigned int,
void *buffer, int *eofp);
int (*write) (struct inode *, struct rpc_cred *,
struct nfs_fattr *,
int, loff_t, unsigned int,
void *buffer, struct nfs_writeverf *verfp);
int (*commit) (struct inode *, struct nfs_fattr *,
unsigned long, unsigned int);
int (*create) (struct inode *, struct qstr *, struct iattr *,
int, struct nfs_fh *, struct nfs_fattr *);
int (*remove) (struct inode *, struct qstr *);
int (*unlink_setup) (struct rpc_message *,
struct dentry *, struct qstr *);
void (*unlink_done) (struct dentry *, struct rpc_message *);
int (*rename) (struct inode *, struct qstr *,
struct inode *, struct qstr *);
int (*link) (struct inode *, struct inode *, struct qstr *);
int (*symlink) (struct inode *, struct qstr *, struct qstr *,
struct iattr *, struct nfs_fh *,
struct nfs_fattr *);
int (*mkdir) (struct inode *, struct qstr *, struct iattr *,
struct nfs_fh *, struct nfs_fattr *);
int (*rmdir) (struct inode *, struct qstr *);
int (*readdir) (struct inode *, struct rpc_cred *,
u64, void *, unsigned int, int);
int (*mknod) (struct inode *, struct qstr *, struct iattr *,
dev_t, struct nfs_fh *, struct nfs_fattr *);
int (*statfs) (struct nfs_server *, struct nfs_fh *,
struct nfs_fsinfo *);
u32 * (*decode_dirent)(u32 *, struct nfs_entry *, int plus);
};
/*
* NFS_CALL(getattr, inode, (fattr));
* into
* NFS_PROTO(inode)->getattr(fattr);
*/
#define NFS_CALL(op, inode, args) NFS_PROTO(inode)->op args
/*
* Function vectors etc. for the NFS client
*/
extern struct nfs_rpc_ops nfs_v2_clientops;
extern struct nfs_rpc_ops nfs_v3_clientops;
extern struct rpc_version nfs_version2;
extern struct rpc_version nfs_version3;
extern struct rpc_program nfs_program;
#endif
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