169 lines
5.7 KiB
C
169 lines
5.7 KiB
C
/*
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* Copyright (c) 1991 The Regents of the University of California.
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* All rights reserved.
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*
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* This code is derived from software contributed to Berkeley by
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* Rick Macklem at The University of Guelph.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* from: @(#)nfsswapvmunix.c 7.1 (Berkeley) 3/4/91
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* $Id: swapnfs.c,v 1.4 1994/01/18 01:35:15 brezak Exp $
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*/
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/*
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* Sample NFS swapvmunix configuration file.
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* This should be filled in by the bootstrap program.
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* See /sys/nfs/nfsdiskless.h for details of the fields.
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*/
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#include <sys/param.h>
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#include <sys/conf.h>
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#include <sys/socket.h>
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#include <sys/mount.h>
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#include <net/if.h>
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#include <nfs/nfsv2.h>
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#include <nfs/nfsdiskless.h>
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dev_t rootdev = NODEV;
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dev_t argdev = NODEV;
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dev_t dumpdev = NODEV;
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struct swdevt swdevt[] = {
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{ NODEV, 0, 0 },
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{ 0, 0, 0 }
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};
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extern int nfs_mountroot();
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/* We start with transfer sizes of 4K during boot */
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/* as the WD8003 has problems to support 8K of back to back packets */
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struct nfs_diskless nfs_diskless = {
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{ 0 }, /* myif */
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{ 0 }, /* mygateway */
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{ /* swap_args */
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0, /* addr */
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0, /* sotype */
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0, /* proto */
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0, /* fh */
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NFSMNT_WSIZE|NFSMNT_RSIZE, /* flags */
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4096, /* wsize */
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4096, /* rsize */
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0, /* timeo */
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0, /* retrans */
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0 /* hostname */
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},
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{ 0 }, /* swap_fh */
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{ 0 }, /* swap_saddr */
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{ 0 }, /* swap_hostnam */
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{ /* root_args */
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0, /* addr */
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0, /* sotype */
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0, /* proto */
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0, /* fh */
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NFSMNT_WSIZE|NFSMNT_RSIZE, /* flags */
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4096, /* wsize */
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4096, /* rsize */
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0, /* timeo */
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0, /* retrans */
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0 /* hostname */
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},
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{ 0 }, /* root_fh */
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{ 0 }, /* root_saddr */
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{ 0 } /* root_hostnam */
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};
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#ifndef NFSDISKLESS_HARDWIRE
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int (*mountroot)() = nfs_mountroot;
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#else
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int nfs_hack_mountroot();
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int (*mountroot)() = nfs_hack_mountroot;
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#define NFS_SOCKET 2049
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/* this is an egregious hack necessitated by many unfortunate circumstances*/
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int nfs_hack_mountroot()
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{
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struct ifaliasreq diskless_if = {
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"le0", /* temporarily */
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NFSDISKLESS_IF_ADDR,
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NFSDISKLESS_IF_BADDR,
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NFSDISKLESS_IF_MASK
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};
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#ifdef NFSDISKLESS_GATEWAY
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struct sockaddr diskless_gateway = NFSDISKLESS_GATEWAY;
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#endif
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u_char diskless_swap_fh[NFS_FHSIZE] = NFSDISKLESS_SWAP_FH;
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struct sockaddr diskless_swap_saddr = NFSDISKLESS_SWAP_SADDR;
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u_char diskless_root_fh[NFS_FHSIZE] = NFSDISKLESS_ROOT_FH;
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struct sockaddr diskless_root_saddr = NFSDISKLESS_ROOT_SADDR;
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char *diskless_swap_hostnam = "solipsist";
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char *diskless_root_hostnam = "solipsist";
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nfs_diskless.swap_saddr.sa_data[0] = nfs_diskless.root_saddr.sa_data[0]
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= NFS_SOCKET >> 8;
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nfs_diskless.swap_saddr.sa_data[1] = nfs_diskless.root_saddr.sa_data[1]
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= NFS_SOCKET & 0x00FF;
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bcopy(&diskless_if, &nfs_diskless.myif, sizeof(diskless_if));
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#ifdef NFSDISKLESS_GATEWAY
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bcopy(&diskless_gateway, &nfs_diskless.mygateway,
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sizeof(diskless_gateway));
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#endif
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bcopy(&diskless_swap_saddr, &nfs_diskless.swap_saddr,
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sizeof(diskless_swap_saddr));
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bcopy(&diskless_root_saddr, &nfs_diskless.root_saddr,
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sizeof(diskless_root_saddr));
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bcopy(diskless_root_fh, nfs_diskless.root_fh, NFS_FHSIZE);
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bcopy(diskless_swap_fh, nfs_diskless.swap_fh, NFS_FHSIZE);
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strcpy(nfs_diskless.swap_hostnam, diskless_swap_hostnam);
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strcpy(nfs_diskless.root_hostnam, diskless_root_hostnam);
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nfs_diskless.swap_args.addr = &nfs_diskless.swap_saddr;
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nfs_diskless.swap_args.fh = nfs_diskless.swap_fh;
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nfs_diskless.swap_args.sotype = SOCK_DGRAM;
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nfs_diskless.swap_args.timeo = 10;
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nfs_diskless.swap_args.retrans = 100;
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nfs_diskless.swap_args.hostname = nfs_diskless.swap_hostnam;
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nfs_diskless.root_args.addr = &nfs_diskless.root_saddr;
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nfs_diskless.root_args.fh = nfs_diskless.root_fh;
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nfs_diskless.root_args.sotype = SOCK_DGRAM;
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nfs_diskless.root_args.timeo = 10;
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nfs_diskless.root_args.retrans = 100;
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nfs_diskless.root_args.hostname = nfs_diskless.root_hostnam;
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return nfs_mountroot();
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}
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#endif
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