From NetBSD: NFSv3 import (tomorrow's Net's kernel)

Open's patches kept in. i'll possibly take a look at Lite2 soon,
is there smth usefull ?..

1 files changed, 441 insertions, 0 deletions

diff --git a/sys/nfs/nfsproto.h b/sys/nfs/nfsproto.h
new file mode 100644
index 00000000000..eda087fe34d
--- /dev/null
+++ b/sys/nfs/nfsproto.h
@@ -0,0 +1,441 @@
+/*	$NetBSD: nfsproto.h,v 1.1 1996/02/18 11:54:06 fvdl Exp $	*/
+
+/*
+ * Copyright (c) 1989, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Rick Macklem at The University of Guelph.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ *	@(#)nfsproto.h	8.2 (Berkeley) 3/30/95
+ */
+
+#ifndef _NFS_NFSPROTO_H_
+#define _NFS_NFSPROTO_H_
+
+
+/*
+ * nfs definitions as per the Version 2 and 3 specs
+ */
+
+/*
+ * Constants as defined in the Sun NFS Version 2 and 3 specs.
+ * "NFS: Network File System Protocol Specification" RFC1094
+ * and in the "NFS: Network File System Version 3 Protocol
+ * Specification"
+ */
+
+#define NFS_PORT	2049
+#define	NFS_PROG	100003
+#define NFS_VER2	2
+#define	NFS_VER3	3
+#define NFS_V2MAXDATA	8192
+#define	NFS_MAXDGRAMDATA 16384
+#define	NFS_MAXDATA	32768
+#define	NFS_MAXPATHLEN	1024
+#define	NFS_MAXNAMLEN	255
+#define	NFS_MAXPKTHDR	404
+#define NFS_MAXPACKET	(NFS_MAXPKTHDR + NFS_MAXDATA)
+#define	NFS_MINPACKET	20
+#define	NFS_FABLKSIZE	512	/* Size in bytes of a block wrt fa_blocks */
+
+/* Stat numbers for rpc returns (version 2 and 3) */
+#define	NFS_OK			0
+#define	NFSERR_PERM		1
+#define	NFSERR_NOENT		2
+#define	NFSERR_IO		5
+#define	NFSERR_NXIO		6
+#define	NFSERR_ACCES		13
+#define	NFSERR_EXIST		17
+#define	NFSERR_XDEV		18	/* Version 3 only */
+#define	NFSERR_NODEV		19
+#define	NFSERR_NOTDIR		20
+#define	NFSERR_ISDIR		21
+#define	NFSERR_INVAL		22	/* Version 3 only */
+#define	NFSERR_FBIG		27
+#define	NFSERR_NOSPC		28
+#define	NFSERR_ROFS		30
+#define	NFSERR_MLINK		31	/* Version 3 only */
+#define	NFSERR_NAMETOL		63
+#define	NFSERR_NOTEMPTY		66
+#define	NFSERR_DQUOT		69
+#define	NFSERR_STALE		70
+#define	NFSERR_REMOTE		71	/* Version 3 only */
+#define	NFSERR_WFLUSH		99	/* Version 2 only */
+#define	NFSERR_BADHANDLE	10001	/* The rest Version 3 only */
+#define	NFSERR_NOT_SYNC		10002
+#define	NFSERR_BAD_COOKIE	10003
+#define	NFSERR_NOTSUPP		10004
+#define	NFSERR_TOOSMALL		10005
+#define	NFSERR_SERVERFAULT	10006
+#define	NFSERR_BADTYPE		10007
+#define	NFSERR_JUKEBOX		10008
+#define NFSERR_TRYLATER		NFSERR_JUKEBOX
+#define	NFSERR_STALEWRITEVERF	30001	/* Fake return for nfs_commit() */
+
+#define NFSERR_RETVOID		0x20000000 /* Return void, not error */
+#define NFSERR_AUTHERR		0x40000000 /* Mark an authentication error */
+#define NFSERR_RETERR		0x80000000 /* Mark an error return for V3 */
+
+/* Sizes in bytes of various nfs rpc components */
+#define	NFSX_UNSIGNED	4
+
+/* specific to NFS Version 2 */
+#define	NFSX_V2FH	32
+#define	NFSX_V2FATTR	68
+#define	NFSX_V2SATTR	32
+#define	NFSX_V2COOKIE	4
+#define NFSX_V2STATFS	20
+
+/* specific to NFS Version 3 */
+#define NFSX_V3FH		(sizeof (fhandle_t)) /* size this server uses */
+#define	NFSX_V3FHMAX		64	/* max. allowed by protocol */
+#define NFSX_V3FATTR		84
+#define NFSX_V3SATTR		60	/* max. all fields filled in */
+#define NFSX_V3SRVSATTR		(sizeof (struct nfsv3_sattr))
+#define NFSX_V3POSTOPATTR	(NFSX_V3FATTR + NFSX_UNSIGNED)
+#define NFSX_V3WCCDATA		(NFSX_V3POSTOPATTR + 8 * NFSX_UNSIGNED)
+#define NFSX_V3COOKIEVERF 	8
+#define NFSX_V3WRITEVERF 	8
+#define NFSX_V3CREATEVERF	8
+#define NFSX_V3STATFS		52
+#define NFSX_V3FSINFO		48
+#define NFSX_V3PATHCONF		24
+
+/* variants for both versions */
+#define NFSX_FH(v3)		((v3) ? (NFSX_V3FHMAX + NFSX_UNSIGNED) : \
+					NFSX_V2FH)
+#define NFSX_SRVFH(v3)		((v3) ? NFSX_V3FH : NFSX_V2FH)
+#define	NFSX_FATTR(v3)		((v3) ? NFSX_V3FATTR : NFSX_V2FATTR)
+#define NFSX_PREOPATTR(v3)	((v3) ? (7 * NFSX_UNSIGNED) : 0)
+#define NFSX_POSTOPATTR(v3)	((v3) ? (NFSX_V3FATTR + NFSX_UNSIGNED) : 0)
+#define NFSX_POSTOPORFATTR(v3)	((v3) ? (NFSX_V3FATTR + NFSX_UNSIGNED) : \
+					NFSX_V2FATTR)
+#define NFSX_WCCDATA(v3)	((v3) ? NFSX_V3WCCDATA : 0)
+#define NFSX_WCCORFATTR(v3)	((v3) ? NFSX_V3WCCDATA : NFSX_V2FATTR)
+#define	NFSX_SATTR(v3)		((v3) ? NFSX_V3SATTR : NFSX_V2SATTR)
+#define	NFSX_COOKIEVERF(v3)	((v3) ? NFSX_V3COOKIEVERF : 0)
+#define	NFSX_WRITEVERF(v3)	((v3) ? NFSX_V3WRITEVERF : 0)
+#define NFSX_READDIR(v3)	((v3) ? (5 * NFSX_UNSIGNED) : \
+					(2 * NFSX_UNSIGNED))
+#define	NFSX_STATFS(v3)		((v3) ? NFSX_V3STATFS : NFSX_V2STATFS)
+
+/* nfs rpc procedure numbers (before version mapping) */
+#define	NFSPROC_NULL		0
+#define	NFSPROC_GETATTR		1
+#define	NFSPROC_SETATTR		2
+#define	NFSPROC_LOOKUP		3
+#define	NFSPROC_ACCESS		4
+#define	NFSPROC_READLINK	5
+#define	NFSPROC_READ		6
+#define	NFSPROC_WRITE		7
+#define	NFSPROC_CREATE		8
+#define	NFSPROC_MKDIR		9
+#define	NFSPROC_SYMLINK		10
+#define	NFSPROC_MKNOD		11
+#define	NFSPROC_REMOVE		12
+#define	NFSPROC_RMDIR		13
+#define	NFSPROC_RENAME		14
+#define	NFSPROC_LINK		15
+#define	NFSPROC_READDIR		16
+#define	NFSPROC_READDIRPLUS	17
+#define	NFSPROC_FSSTAT		18
+#define	NFSPROC_FSINFO		19
+#define	NFSPROC_PATHCONF	20
+#define	NFSPROC_COMMIT		21
+
+/* And leasing (nqnfs) procedure numbers (must be last) */
+#define	NQNFSPROC_GETLEASE	22
+#define	NQNFSPROC_VACATED	23
+#define	NQNFSPROC_EVICTED	24
+
+#define NFSPROC_NOOP		25
+#define	NFS_NPROCS		26
+
+/* Actual Version 2 procedure numbers */
+#define	NFSV2PROC_NULL		0
+#define	NFSV2PROC_GETATTR	1
+#define	NFSV2PROC_SETATTR	2
+#define	NFSV2PROC_NOOP		3
+#define	NFSV2PROC_ROOT		NFSV2PROC_NOOP	/* Obsolete */
+#define	NFSV2PROC_LOOKUP	4
+#define	NFSV2PROC_READLINK	5
+#define	NFSV2PROC_READ		6
+#define	NFSV2PROC_WRITECACHE	NFSV2PROC_NOOP	/* Obsolete */
+#define	NFSV2PROC_WRITE		8
+#define	NFSV2PROC_CREATE	9
+#define	NFSV2PROC_REMOVE	10
+#define	NFSV2PROC_RENAME	11
+#define	NFSV2PROC_LINK		12
+#define	NFSV2PROC_SYMLINK	13
+#define	NFSV2PROC_MKDIR		14
+#define	NFSV2PROC_RMDIR		15
+#define	NFSV2PROC_READDIR	16
+#define	NFSV2PROC_STATFS	17
+
+/*
+ * Constants used by the Version 3 protocol for various RPCs
+ */
+#define NFSV3SATTRTIME_DONTCHANGE	0
+#define NFSV3SATTRTIME_TOSERVER		1
+#define NFSV3SATTRTIME_TOCLIENT		2
+
+#define NFSV3ACCESS_READ		0x01
+#define NFSV3ACCESS_LOOKUP		0x02
+#define NFSV3ACCESS_MODIFY		0x04
+#define NFSV3ACCESS_EXTEND		0x08
+#define NFSV3ACCESS_DELETE		0x10
+#define NFSV3ACCESS_EXECUTE		0x20
+
+#define NFSV3WRITE_UNSTABLE		0
+#define NFSV3WRITE_DATASYNC		1
+#define NFSV3WRITE_FILESYNC		2
+
+#define NFSV3CREATE_UNCHECKED		0
+#define NFSV3CREATE_GUARDED		1
+#define NFSV3CREATE_EXCLUSIVE		2
+
+#define NFSV3FSINFO_LINK		0x01
+#define NFSV3FSINFO_SYMLINK		0x02
+#define NFSV3FSINFO_HOMOGENEOUS		0x08
+#define NFSV3FSINFO_CANSETTIME		0x10
+
+/* Conversion macros */
+#define	vtonfsv2_mode(t,m) \
+		txdr_unsigned(((t) == VFIFO) ? MAKEIMODE(VCHR, (m)) : \
+				MAKEIMODE((t), (m)))
+#define vtonfsv3_mode(m)	txdr_unsigned((m) & 07777)
+#define	nfstov_mode(a)		(fxdr_unsigned(u_int16_t, (a))&07777)
+#define	vtonfsv2_type(a)	txdr_unsigned(nfsv2_type[((int32_t)(a))])
+#define	vtonfsv3_type(a)	txdr_unsigned(nfsv3_type[((int32_t)(a))])
+#define	nfsv2tov_type(a)	nv2tov_type[fxdr_unsigned(u_int32_t,(a))&0x7]
+#define	nfsv3tov_type(a)	nv3tov_type[fxdr_unsigned(u_int32_t,(a))&0x7]
+
+/* File types */
+typedef enum { NFNON=0, NFREG=1, NFDIR=2, NFBLK=3, NFCHR=4, NFLNK=5,
+	NFSOCK=6, NFFIFO=7 } nfstype;
+
+/* Structs for common parts of the rpc's */
+/*
+ * File Handle (32 bytes for version 2), variable up to 64 for version 3.
+ * File Handles of up to NFS_SMALLFH in size are stored directly in the
+ * nfs node, whereas larger ones are malloc'd. (This never happens when
+ * NFS_SMALLFH is set to 64.)
+ * NFS_SMALLFH should be in the range of 32 to 64 and be divisible by 4.
+ */
+#ifndef NFS_SMALLFH
+#define NFS_SMALLFH	64
+#endif
+union nfsfh {
+	fhandle_t fh_generic;
+	u_char    fh_bytes[NFS_SMALLFH];
+};
+typedef union nfsfh nfsfh_t;
+
+struct nfsv2_time {
+	u_int32_t nfsv2_sec;
+	u_int32_t nfsv2_usec;
+};
+typedef struct nfsv2_time	nfstime2;
+
+struct nfsv3_time {
+	u_int32_t nfsv3_sec;
+	u_int32_t nfsv3_nsec;
+};
+typedef struct nfsv3_time	nfstime3;
+
+/*
+ * Quads are defined as arrays of 2 longs to ensure dense packing for the
+ * protocol and to facilitate xdr conversion.
+ */
+struct nfs_uquad {
+	u_int32_t nfsuquad[2];
+};
+typedef	struct nfs_uquad	nfsuint64;
+
+/*
+ * Used to convert between two u_longs and a u_quad_t.
+ */
+union nfs_quadconvert {
+	u_int32_t lval[2];
+	u_quad_t  qval;
+};
+typedef union nfs_quadconvert	nfsquad_t;
+
+/*
+ * NFS Version 3 special file number.
+ */
+struct nfsv3_spec {
+	u_int32_t specdata1;
+	u_int32_t specdata2;
+};
+typedef	struct nfsv3_spec	nfsv3spec;
+
+/*
+ * File attributes and setable attributes. These structures cover both
+ * NFS version 2 and the version 3 protocol. Note that the union is only
+ * used so that one pointer can refer to both variants. These structures
+ * go out on the wire and must be densely packed, so no quad data types
+ * are used. (all fields are longs or u_longs or structures of same)
+ * NB: You can't do sizeof(struct nfs_fattr), you must use the
+ *     NFSX_FATTR(v3) macro.
+ */
+struct nfs_fattr {
+	u_int32_t fa_type;
+	u_int32_t fa_mode;
+	u_int32_t fa_nlink;
+	u_int32_t fa_uid;
+	u_int32_t fa_gid;
+	union {
+		struct {
+			u_int32_t nfsv2fa_size;
+			u_int32_t nfsv2fa_blocksize;
+			u_int32_t nfsv2fa_rdev;
+			u_int32_t nfsv2fa_blocks;
+			u_int32_t nfsv2fa_fsid;
+			u_int32_t nfsv2fa_fileid;
+			nfstime2  nfsv2fa_atime;
+			nfstime2  nfsv2fa_mtime;
+			nfstime2  nfsv2fa_ctime;
+		} fa_nfsv2;
+		struct {
+			nfsuint64 nfsv3fa_size;
+			nfsuint64 nfsv3fa_used;
+			nfsv3spec nfsv3fa_rdev;
+			nfsuint64 nfsv3fa_fsid;
+			nfsuint64 nfsv3fa_fileid;
+			nfstime3  nfsv3fa_atime;
+			nfstime3  nfsv3fa_mtime;
+			nfstime3  nfsv3fa_ctime;
+		} fa_nfsv3;
+	} fa_un;
+};
+
+/* and some ugly defines for accessing union components */
+#define	fa2_size		fa_un.fa_nfsv2.nfsv2fa_size
+#define	fa2_blocksize		fa_un.fa_nfsv2.nfsv2fa_blocksize
+#define	fa2_rdev		fa_un.fa_nfsv2.nfsv2fa_rdev
+#define	fa2_blocks		fa_un.fa_nfsv2.nfsv2fa_blocks
+#define	fa2_fsid		fa_un.fa_nfsv2.nfsv2fa_fsid
+#define	fa2_fileid		fa_un.fa_nfsv2.nfsv2fa_fileid
+#define	fa2_atime		fa_un.fa_nfsv2.nfsv2fa_atime
+#define	fa2_mtime		fa_un.fa_nfsv2.nfsv2fa_mtime
+#define	fa2_ctime		fa_un.fa_nfsv2.nfsv2fa_ctime
+#define	fa3_size		fa_un.fa_nfsv3.nfsv3fa_size
+#define	fa3_used		fa_un.fa_nfsv3.nfsv3fa_used
+#define	fa3_rdev		fa_un.fa_nfsv3.nfsv3fa_rdev
+#define	fa3_fsid		fa_un.fa_nfsv3.nfsv3fa_fsid
+#define	fa3_fileid		fa_un.fa_nfsv3.nfsv3fa_fileid
+#define	fa3_atime		fa_un.fa_nfsv3.nfsv3fa_atime
+#define	fa3_mtime		fa_un.fa_nfsv3.nfsv3fa_mtime
+#define	fa3_ctime		fa_un.fa_nfsv3.nfsv3fa_ctime
+
+struct nfsv2_sattr {
+	u_int32_t sa_mode;
+	u_int32_t sa_uid;
+	u_int32_t sa_gid;
+	u_int32_t sa_size;
+	nfstime2  sa_atime;
+	nfstime2  sa_mtime;
+};
+
+/*
+ * NFS Version 3 sattr structure for the new node creation case.
+ */
+struct nfsv3_sattr {
+	u_int32_t sa_modetrue;
+	u_int32_t sa_mode;
+	u_int32_t sa_uidfalse;
+	u_int32_t sa_gidfalse;
+	u_int32_t sa_sizefalse;
+	u_int32_t sa_atimetype;
+	nfstime3  sa_atime;
+	u_int32_t sa_mtimetype;
+	nfstime3  sa_mtime;
+};
+
+struct nfs_statfs {
+	union {
+		struct {
+			u_int32_t nfsv2sf_tsize;
+			u_int32_t nfsv2sf_bsize;
+			u_int32_t nfsv2sf_blocks;
+			u_int32_t nfsv2sf_bfree;
+			u_int32_t nfsv2sf_bavail;
+		} sf_nfsv2;
+		struct {
+			nfsuint64 nfsv3sf_tbytes;
+			nfsuint64 nfsv3sf_fbytes;
+			nfsuint64 nfsv3sf_abytes;
+			nfsuint64 nfsv3sf_tfiles;
+			nfsuint64 nfsv3sf_ffiles;
+			nfsuint64 nfsv3sf_afiles;
+			u_int32_t nfsv3sf_invarsec;
+		} sf_nfsv3;
+	} sf_un;
+};
+
+#define sf_tsize	sf_un.sf_nfsv2.nfsv2sf_tsize
+#define sf_bsize	sf_un.sf_nfsv2.nfsv2sf_bsize
+#define sf_blocks	sf_un.sf_nfsv2.nfsv2sf_blocks
+#define sf_bfree	sf_un.sf_nfsv2.nfsv2sf_bfree
+#define sf_bavail	sf_un.sf_nfsv2.nfsv2sf_bavail
+#define sf_tbytes	sf_un.sf_nfsv3.nfsv3sf_tbytes
+#define sf_fbytes	sf_un.sf_nfsv3.nfsv3sf_fbytes
+#define sf_abytes	sf_un.sf_nfsv3.nfsv3sf_abytes
+#define sf_tfiles	sf_un.sf_nfsv3.nfsv3sf_tfiles
+#define sf_ffiles	sf_un.sf_nfsv3.nfsv3sf_ffiles
+#define sf_afiles	sf_un.sf_nfsv3.nfsv3sf_afiles
+#define sf_invarsec	sf_un.sf_nfsv3.nfsv3sf_invarsec
+
+struct nfsv3_fsinfo {
+	u_int32_t fs_rtmax;
+	u_int32_t fs_rtpref;
+	u_int32_t fs_rtmult;
+	u_int32_t fs_wtmax;
+	u_int32_t fs_wtpref;
+	u_int32_t fs_wtmult;
+	u_int32_t fs_dtpref;
+	nfsuint64 fs_maxfilesize;
+	nfstime3  fs_timedelta;
+	u_int32_t fs_properties;
+};
+
+struct nfsv3_pathconf {
+	u_int32_t pc_linkmax;
+	u_int32_t pc_namemax;
+	u_int32_t pc_notrunc;
+	u_int32_t pc_chownrestricted;
+	u_int32_t pc_caseinsensitive;
+	u_int32_t pc_casepreserving;
+};
+
+#endif