xref: /netbsd-src/sys/nfs/nfsdiskless.h (revision 811e6386f8c5e4a3521c7003da29ec8673e344fa)
1 /*
2  * Copyright (c) 1991 The Regents of the University of California.
3  * All rights reserved.
4  *
5  * This code is derived from software contributed to Berkeley by
6  * Rick Macklem at The University of Guelph.
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
10  * are met:
11  * 1. Redistributions of source code must retain the above copyright
12  *    notice, this list of conditions and the following disclaimer.
13  * 2. Redistributions in binary form must reproduce the above copyright
14  *    notice, this list of conditions and the following disclaimer in the
15  *    documentation and/or other materials provided with the distribution.
16  * 3. All advertising materials mentioning features or use of this software
17  *    must display the following acknowledgement:
18  *	This product includes software developed by the University of
19  *	California, Berkeley and its contributors.
20  * 4. Neither the name of the University nor the names of its contributors
21  *    may be used to endorse or promote products derived from this software
22  *    without specific prior written permission.
23  *
24  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
25  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
28  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34  * SUCH DAMAGE.
35  *
36  *	@(#)nfsdiskless.h	7.1 (Berkeley) 3/4/91
37  */
38 
39 #ifndef _NFS_NFSDISKLESS_H_
40 #define _NFS_NFSDISKLESS_H_
41 
42 /*
43  * Structure that must be initialized for a diskless nfs client.
44  * This structure is used by nfs_mountroot() to set up the root and swap
45  * vnodes plus do a partial ifconfig(8) and route(8) so that the critical net
46  * interface can communicate with the server.
47  * For now it is statically initialized in swapvmunix.c, but someday a primary
48  * bootstrap should fill it in.
49  */
50 struct nfs_diskless {
51 	struct ifaliasreq myif;		/* Info. for partial ifconfig */
52 	struct sockaddr	mygateway;	/* Default gateway for "route add" */
53 	struct nfs_args	swap_args;	/* Mount args for swap file */
54 	u_char		swap_fh[NFS_FHSIZE]; /* Swap file's file handle */
55 	struct sockaddr	swap_saddr;	/* Address of swap server */
56 	char		*swap_hostnam;	/* Host name for mount pt */
57 	struct nfs_args	root_args;	/* Mount args for root fs */
58 	u_char		root_fh[NFS_FHSIZE]; /* File handle of root dir */
59 	struct sockaddr	root_saddr;	/* Address of root server */
60 	char		*root_hostnam;	/* Host name for mount pt */
61 };
62 
63 #endif /* !_NFS_NFSDISKLESS_H_ */
64