Home | History | Annotate | Line # | Download | only in nfs
nfsdiskless.h revision 1.11.4.1
      1  1.11.4.1  thorpej /*	$NetBSD: nfsdiskless.h,v 1.11.4.1 1997/08/23 07:14:24 thorpej Exp $	*/
      2       1.7      cgd 
      3       1.1      cgd /*
      4       1.5  mycroft  * Copyright (c) 1991, 1993
      5       1.5  mycroft  *	The Regents of the University of California.  All rights reserved.
      6       1.1      cgd  *
      7       1.1      cgd  * This code is derived from software contributed to Berkeley by
      8       1.1      cgd  * Rick Macklem at The University of Guelph.
      9       1.1      cgd  *
     10       1.1      cgd  * Redistribution and use in source and binary forms, with or without
     11       1.1      cgd  * modification, are permitted provided that the following conditions
     12       1.1      cgd  * are met:
     13       1.1      cgd  * 1. Redistributions of source code must retain the above copyright
     14       1.1      cgd  *    notice, this list of conditions and the following disclaimer.
     15       1.1      cgd  * 2. Redistributions in binary form must reproduce the above copyright
     16       1.1      cgd  *    notice, this list of conditions and the following disclaimer in the
     17       1.1      cgd  *    documentation and/or other materials provided with the distribution.
     18       1.1      cgd  * 3. All advertising materials mentioning features or use of this software
     19       1.1      cgd  *    must display the following acknowledgement:
     20       1.1      cgd  *	This product includes software developed by the University of
     21       1.1      cgd  *	California, Berkeley and its contributors.
     22       1.1      cgd  * 4. Neither the name of the University nor the names of its contributors
     23       1.1      cgd  *    may be used to endorse or promote products derived from this software
     24       1.1      cgd  *    without specific prior written permission.
     25       1.1      cgd  *
     26       1.1      cgd  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     27       1.1      cgd  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     28       1.1      cgd  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     29       1.1      cgd  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     30       1.1      cgd  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     31       1.1      cgd  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     32       1.1      cgd  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     33       1.1      cgd  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     34       1.1      cgd  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     35       1.1      cgd  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     36       1.1      cgd  * SUCH DAMAGE.
     37       1.1      cgd  *
     38       1.7      cgd  *	@(#)nfsdiskless.h	8.1 (Berkeley) 6/10/93
     39       1.1      cgd  */
     40       1.1      cgd 
     41       1.1      cgd /*
     42       1.1      cgd  * Structure that must be initialized for a diskless nfs client.
     43       1.1      cgd  * This structure is used by nfs_mountroot() to set up the root and swap
     44       1.6      gwr  * vnodes plus do a partial ifconfig(8) and route(8) so that the critical
     45       1.6      gwr  * net interface can communicate with the server.
     46       1.6      gwr  * Whether or not the swap area is nfs mounted is determined
     47       1.5  mycroft  * by the value in swdevt[0]. (equal to NODEV --> swap over nfs)
     48       1.5  mycroft  * Currently only works for AF_INET protocols.
     49       1.5  mycroft  * NB: All fields are stored in net byte order to avoid hassles with
     50       1.5  mycroft  * client/server byte ordering differences.
     51       1.1      cgd  */
     52       1.6      gwr struct nfs_dlmount {
     53      1.11      gwr 	struct nfs_args ndm_args;
     54      1.10     fvdl 	struct sockaddr ndm_saddr;  		/* Address of file server */
     55      1.11      gwr 	char		ndm_host[MNAMELEN]; 	/* server:pathname */
     56      1.10     fvdl 	u_char		ndm_fh[NFSX_V3FHMAX]; 	/* The file's file handle */
     57       1.6      gwr };
     58       1.1      cgd struct nfs_diskless {
     59      1.11      gwr 	struct sockaddr_in nd_boot; 	/* Address of boot server */
     60       1.6      gwr 	struct nfs_dlmount nd_root; 	/* Mount info for root */
     61  1.11.4.1  thorpej #if 0
     62       1.6      gwr 	struct nfs_dlmount nd_swap; 	/* Mount info for swap */
     63  1.11.4.1  thorpej #endif
     64       1.1      cgd };
     65       1.8      gwr 
     66       1.8      gwr int nfs_boot_init __P((struct nfs_diskless *nd, struct proc *procp));
     67      1.11      gwr int nfs_boot_getfh __P((struct nfs_dlmount *ndm));
     68       1.8      gwr 
     69