nfs_fs.h

newos is new operation system

/*
** Copyright 2002, Travis Geiselbrecht. All rights reserved.
** Distributed under the terms of the NewOS License.
*/
#ifndef _NFS_FS_H
#define _NFS_FS_H

/* From RFC 1094 */

enum nfs_stat {
	NFS_OK = 0,
	NFSERR_PERM=1,
	NFSERR_NOENT=2,
	NFSERR_IO=5,
	NFSERR_NXIO=6,
	NFSERR_ACCES=13,
	NFSERR_EXIST=17,
	NFSERR_NODEV=19,
	NFSERR_NOTDIR=20,
	NFSERR_ISDIR=21,
	NFSERR_FBIG=27,
	NFSERR_NOSPC=28,
	NFSERR_ROFS=30,
	NFSERR_NAMETOOLONG=63,
	NFSERR_NOTEMPTY=66,
	NFSERR_DQUOT=69,
	NFSERR_STALE=70,
	NFSERR_WFLUSH=99
};

enum nfs_ftype {
	NFNON = 0,
	NFREG = 1,
	NFDIR = 2,
	NFBLK = 3,
	NFCHR = 4,
	NFLNK = 5
};

enum nfs_proc {
	NFSPROC_NULL = 0,
	NFSPROC_GETATTR,
	NFSPROC_SETATTR,
	NFSPROC_ROOT,
	NFSPROC_LOOKUP,
	NFSPROC_READLINK,
	NFSPROC_READ,
	NFSPROC_WRITECACHE,
	NFSPROC_WRITE,
	NFSPROC_CREATE,
	NFSPROC_REMOVE,
	NFSPROC_RENAME,
	NFSPROC_LINK,
	NFSPROC_SYMLINK,
	NFSPROC_MKDIR,
	NFSPROC_RMDIR,
	NFSPROC_READDIR,
	NFSPROC_STATFS
};

#define NFSPROG 100003
#define NFSVERS 2
#define NFSPORT 2049

enum mount_proc {
	MOUNTPROC_NULL,
	MOUNTPROC_MNT,
	MOUNTPROC_DUMP,
	MOUNTPROC_UMNT,
	MOUNTPROC_UMNTTALL,
	MOUNTPROC_EXPORT
};

#define MOUNTPROG 100005
#define MOUNTVERS 1
#define MOUNTPORT 1023

/*
* The maximum number of bytes of data in a READ or WRITE
* request.
*/
#define MAXDATA 8192

/* The maximum number of bytes in a pathname argument. */
#define MAXPATHLEN 1024

/* The maximum number of bytes in a file name argument. */
#define MAXNAMLEN 255

/* The size in bytes of the opaque "cookie" passed by READDIR. */
#define COOKIESIZE 4

/* The size in bytes of the opaque file handle. */
#define FHSIZE 32

/* The maximum number of bytes in a pathname argument. */
#define MNTPATHLEN 1024

/* The maximum number of bytes in a name argument. */
#define MNTNAMLEN 255

struct mount_args {
	unsigned int len;
	char dirpath[MAXPATHLEN];
};

typedef struct {
	unsigned char handle[FHSIZE];
} fhandle;

typedef struct {
	int len;
	char name[MAXNAMLEN];
} nfs_filename;

typedef struct {
	unsigned int seconds;
	unsigned int useconds;
} nfs_timeval;

typedef struct {
	int ftype;
	unsigned int mode;
	unsigned int nlink;
	unsigned int uid;
	unsigned int gid;
	unsigned int size;
	unsigned int blocksize;
	unsigned int rdev;
	unsigned int blocks;
	unsigned int fsid;
	unsigned int fileid;
	nfs_timeval  atime;
	nfs_timeval  mtime;
	nfs_timeval  ctime;
} nfs_fattr;

typedef struct {
	fhandle dir;
	nfs_filename name;
} nfs_diropargs;

typedef struct {
	int status;
	fhandle file;
	nfs_fattr attributes;
} nfs_diropres;

typedef struct {
	fhandle file;
	unsigned int offset;
	unsigned int count;
	unsigned int totalcount;
} nfs_readargs;

typedef struct {
	int status;
	nfs_fattr attributes;
	unsigned int len;
	unsigned char data[0];
} nfs_readres;

typedef struct {
	fhandle file;
	unsigned int beginoffset;
	unsigned int offset;
	unsigned int totalcount;
	unsigned int len;
	unsigned char data[0];
} nfs_writeargs;

typedef struct {
	int status;
	nfs_fattr attributes;
} nfs_attrstat;

typedef struct {
	fhandle dir;
	unsigned int cookie;
	unsigned int count;
} nfs_readdirargs;

typedef struct {
	int status;
	unsigned int data[0];
} nfs_readdirres;

#endif