BSD 4.4 Lite Kernel Sources

1 files changed, 260 insertions, 0 deletions

diff --git a/sys/nfs/nfsv2.h b/sys/nfs/nfsv2.h
new file mode 100644
index 0000000..e9d2985
--- /dev/null
+++ b/sys/nfs/nfsv2.h
@@ -0,0 +1,260 @@
+/*
+ * 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.
+ *
+ *	@(#)nfsv2.h	8.1 (Berkeley) 6/10/93
+ */
+
+/*
+ * nfs definitions as per the version 2 specs
+ */
+
+/*
+ * Constants as defined in the Sun NFS Version 2 spec.
+ * "NFS: Network File System Protocol Specification" RFC1094
+ */
+
+#define NFS_PORT	2049
+#define	NFS_PROG	100003
+#define NFS_VER2	2
+#define	NFS_MAXDGRAMDATA 8192
+#define	NFS_MAXDATA	32768
+#define	NFS_MAXPATHLEN	1024
+#define	NFS_MAXNAMLEN	255
+#define	NFS_FHSIZE	32
+#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 */
+#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_NODEV	19
+#define	NFSERR_NOTDIR	20
+#define	NFSERR_ISDIR	21
+#define	NFSERR_FBIG	27
+#define	NFSERR_NOSPC	28
+#define	NFSERR_ROFS	30
+#define	NFSERR_NAMETOL	63
+#define	NFSERR_NOTEMPTY	66
+#define	NFSERR_DQUOT	69
+#define	NFSERR_STALE	70
+#define	NFSERR_WFLUSH	99
+
+/* Sizes in bytes of various nfs rpc components */
+#define	NFSX_FH		32
+#define	NFSX_UNSIGNED	4
+#define	NFSX_NFSFATTR	68
+#define	NFSX_NQFATTR	92
+#define	NFSX_NFSSATTR	32
+#define	NFSX_NQSATTR	44
+#define	NFSX_COOKIE	4
+#define NFSX_NFSSTATFS	20
+#define	NFSX_NQSTATFS	28
+#define	NFSX_FATTR(isnq)	((isnq) ? NFSX_NQFATTR : NFSX_NFSFATTR)
+#define	NFSX_SATTR(isnq)	((isnq) ? NFSX_NQSATTR : NFSX_NFSSATTR)
+#define	NFSX_STATFS(isnq)	((isnq) ? NFSX_NQSTATFS : NFSX_NFSSTATFS)
+
+/* nfs rpc procedure numbers */
+#define	NFSPROC_NULL		0
+#define	NFSPROC_GETATTR		1
+#define	NFSPROC_SETATTR		2
+#define	NFSPROC_NOOP		3
+#define	NFSPROC_ROOT		NFSPROC_NOOP	/* Obsolete */
+#define	NFSPROC_LOOKUP		4
+#define	NFSPROC_READLINK	5
+#define	NFSPROC_READ		6
+#define	NFSPROC_WRITECACHE	NFSPROC_NOOP	/* Obsolete */
+#define	NFSPROC_WRITE		8
+#define	NFSPROC_CREATE		9
+#define	NFSPROC_REMOVE		10
+#define	NFSPROC_RENAME		11
+#define	NFSPROC_LINK		12
+#define	NFSPROC_SYMLINK		13
+#define	NFSPROC_MKDIR		14
+#define	NFSPROC_RMDIR		15
+#define	NFSPROC_READDIR		16
+#define	NFSPROC_STATFS		17
+
+/* NQ nfs numbers */
+#define	NQNFSPROC_READDIRLOOK	18
+#define	NQNFSPROC_GETLEASE	19
+#define	NQNFSPROC_VACATED	20
+#define	NQNFSPROC_EVICTED	21
+#define	NQNFSPROC_ACCESS	22
+
+#define	NFS_NPROCS		23
+/* Conversion macros */
+extern int		vttoif_tab[];
+#define	vtonfs_mode(t,m) \
+		txdr_unsigned(((t) == VFIFO) ? MAKEIMODE(VCHR, (m)) : \
+				MAKEIMODE((t), (m)))
+#define	nfstov_mode(a)	(fxdr_unsigned(u_short, (a))&07777)
+#define	vtonfs_type(a)	txdr_unsigned(nfs_type[((long)(a))])
+#define	nfstov_type(a)	ntov_type[fxdr_unsigned(u_long,(a))&0x7]
+
+/* File types */
+typedef enum { NFNON=0, NFREG=1, NFDIR=2, NFBLK=3, NFCHR=4, NFLNK=5 } nfstype;
+
+/* Structs for common parts of the rpc's */
+struct nfsv2_time {
+	u_long	nfs_sec;
+	u_long	nfs_usec;
+};
+
+struct nqnfs_time {
+	u_long	nq_sec;
+	u_long	nq_nsec;
+};
+
+/*
+ * File attributes and setable attributes. These structures cover both
+ * NFS version 2 and the NQNFS protocol. Note that the union is only
+ * used to 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 nfsv2_fattr), you must use the
+ *     NFSX_FATTR(isnq) macro.
+ */
+struct nfsv2_fattr {
+	u_long	fa_type;
+	u_long	fa_mode;
+	u_long	fa_nlink;
+	u_long	fa_uid;
+	u_long	fa_gid;
+	union {
+		struct {
+			u_long	nfsfa_size;
+			u_long	nfsfa_blocksize;
+			u_long	nfsfa_rdev;
+			u_long	nfsfa_blocks;
+			u_long	nfsfa_fsid;
+			u_long	nfsfa_fileid;
+			struct nfsv2_time nfsfa_atime;
+			struct nfsv2_time nfsfa_mtime;
+			struct nfsv2_time nfsfa_ctime;
+		} fa_nfsv2;
+		struct {
+			struct {
+				u_long	nqfa_qsize[2];
+			} nqfa_size;
+			u_long	nqfa_blocksize;
+			u_long	nqfa_rdev;
+			struct {
+				u_long	nqfa_qbytes[2];
+			} nqfa_bytes;
+			u_long	nqfa_fsid;
+			u_long	nqfa_fileid;
+			struct nqnfs_time nqfa_atime;
+			struct nqnfs_time nqfa_mtime;
+			struct nqnfs_time nqfa_ctime;
+			u_long	nqfa_flags;
+			u_long	nqfa_gen;
+			struct {
+				u_long	nqfa_qfilerev[2];
+			} nqfa_filerev;
+		} fa_nqnfs;
+	} fa_un;
+};
+
+/* and some ugly defines for accessing union components */
+#define	fa_nfssize		fa_un.fa_nfsv2.nfsfa_size
+#define	fa_nfsblocksize		fa_un.fa_nfsv2.nfsfa_blocksize
+#define	fa_nfsrdev		fa_un.fa_nfsv2.nfsfa_rdev
+#define	fa_nfsblocks		fa_un.fa_nfsv2.nfsfa_blocks
+#define	fa_nfsfsid		fa_un.fa_nfsv2.nfsfa_fsid
+#define	fa_nfsfileid		fa_un.fa_nfsv2.nfsfa_fileid
+#define	fa_nfsatime		fa_un.fa_nfsv2.nfsfa_atime
+#define	fa_nfsmtime		fa_un.fa_nfsv2.nfsfa_mtime
+#define	fa_nfsctime		fa_un.fa_nfsv2.nfsfa_ctime
+#define	fa_nqsize		fa_un.fa_nqnfs.nqfa_size
+#define	fa_nqblocksize		fa_un.fa_nqnfs.nqfa_blocksize
+#define	fa_nqrdev		fa_un.fa_nqnfs.nqfa_rdev
+#define	fa_nqbytes		fa_un.fa_nqnfs.nqfa_bytes
+#define	fa_nqfsid		fa_un.fa_nqnfs.nqfa_fsid
+#define	fa_nqfileid		fa_un.fa_nqnfs.nqfa_fileid
+#define	fa_nqatime		fa_un.fa_nqnfs.nqfa_atime
+#define	fa_nqmtime		fa_un.fa_nqnfs.nqfa_mtime
+#define	fa_nqctime		fa_un.fa_nqnfs.nqfa_ctime
+#define	fa_nqflags		fa_un.fa_nqnfs.nqfa_flags
+#define	fa_nqgen		fa_un.fa_nqnfs.nqfa_gen
+#define	fa_nqfilerev		fa_un.fa_nqnfs.nqfa_filerev
+
+struct nfsv2_sattr {
+	u_long	sa_mode;
+	u_long	sa_uid;
+	u_long	sa_gid;
+	union {
+		struct {
+			u_long	nfssa_size;
+			struct nfsv2_time nfssa_atime;
+			struct nfsv2_time nfssa_mtime;
+		} sa_nfsv2;
+		struct {
+			struct {
+				u_long	nqsa_qsize[2];
+			} nqsa_size;
+			struct nqnfs_time nqsa_atime;
+			struct nqnfs_time nqsa_mtime;
+			u_long	nqsa_flags;
+			u_long	nqsa_rdev;
+		} sa_nqnfs;
+	} sa_un;
+};
+
+/* and some ugly defines for accessing the unions */
+#define	sa_nfssize		sa_un.sa_nfsv2.nfssa_size
+#define	sa_nfsatime		sa_un.sa_nfsv2.nfssa_atime
+#define	sa_nfsmtime		sa_un.sa_nfsv2.nfssa_mtime
+#define	sa_nqsize		sa_un.sa_nqnfs.nqsa_size
+#define	sa_nqatime		sa_un.sa_nqnfs.nqsa_atime
+#define	sa_nqmtime		sa_un.sa_nqnfs.nqsa_mtime
+#define	sa_nqflags		sa_un.sa_nqnfs.nqsa_flags
+#define	sa_nqrdev		sa_un.sa_nqnfs.nqsa_rdev
+
+struct nfsv2_statfs {
+	u_long	sf_tsize;
+	u_long	sf_bsize;
+	u_long	sf_blocks;
+	u_long	sf_bfree;
+	u_long	sf_bavail;
+	u_long	sf_files;	/* Nqnfs only */
+	u_long	sf_ffree;	/* ditto      */
+};