182 lines
6.3 KiB
C
182 lines
6.3 KiB
C
/* $NetBSD: boot_nfs.c,v 1.6 1994/10/26 06:43:01 cgd Exp $ */
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/*
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* Copyright (c) 1993 Adam Glass
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* All rights reserved.
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*
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* A lot of this code is derived material from the LBL bootbootp release,
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* thus their copyright below.
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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 Adam Glass.
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* 4. The name of the Author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY Adam Glass ``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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/*
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* Copyright (c) 1992 Regents of the University of California.
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* All rights reserved.
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*
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* This software was developed by the Computer Systems Engineering group
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* at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
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* contributed to Berkeley.
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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, Lawrence Berkeley Laboratory 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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#include <sys/param.h>
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#include <sys/types.h>
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#include <sys/cdefs.h>
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#include <sys/mount.h>
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#include <time.h>
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#include <netinet/in.h>
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#include <netinet/in_systm.h>
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#include <nfs/rpcv2.h>
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#include <nfs/nfsv2.h>
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#include "salibc.h"
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#include "netboot.h"
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#include "bootbootp.h"
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#include "bootp.h"
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#include "netif.h"
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static u_char rootfh[NFS_FHSIZE];
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static u_char swapfh[NFS_FHSIZE];
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static u_long swapblks;
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static time_t roottime;
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void nfs_setup(desc)
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struct iodesc *desc;
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{
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u_long ftype, bytes;
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bcopy(&desc->myea[4], &desc->myport, 2);
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printf("myip: %s", intoa(desc->myip));
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if (gateip)
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printf(", gateip: %s", intoa(gateip));
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if (mask)
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printf(", mask: %s", intoa(mask));
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printf("\n");
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printf("root: %s:%s\n", intoa(rootip), rootpath);
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printf("swap: %s:%s\n", intoa(swapip), swappath);
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/* Get root file handle and timestamp */
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desc->destip = rootip;
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getnfsfh(desc, rootpath, rootfh);
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desc->fh = rootfh;
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getnfsinfo(desc, &roottime, NULL, &ftype);
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if (ftype != NFDIR)
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panic("bad root ftype %d", ftype);
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#ifdef DEBUG
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if (debug)
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printf("nfs_setup: got root fh\n");
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#endif
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desc->destip = swapip;
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getnfsfh(desc, swappath, swapfh);
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desc->fh = swapfh;
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getnfsinfo(desc, NULL, &bytes, &ftype);
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if (bytes % 512)
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printf("warning: swap is odd sized\n");
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if (ftype != NFREG)
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panic("bad swap ftype %d\n", ftype);
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swapblks = bytes / 512;
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#ifdef DEBUG
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if (debug)
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printf("nfs_setup: got swap fh\n");
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#endif
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printf("swap: %d (%d blocks)\n", bytes, swapblks);
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desc->destip = rootip;
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desc->fh = rootfh;
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}
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unsigned int boot_nfs(kernel_override, machdep_hint)
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char *kernel_override;
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void *machdep_hint;
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{
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/*
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* 0. get common ether addr if exists
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* 1. choose interface
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* 2. set up interface
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* 3. bootp or bootparam
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* 4. get filesystem fh information
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* 5. get swap information
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* 6. load kernel
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* 7. if nfs_diskless crud, do the right thign
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* 8. run kernel
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*/
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struct iodesc desc;
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struct netif *nif;
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netif_init();
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while (1) {
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bzero(&desc, sizeof(desc));
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machdep_common_ether(desc.myea);
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nif = netif_select(machdep_hint);
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if (!nif)
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panic("netboot: no interfaces left untried");
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if (netif_probe(nif, machdep_hint)) {
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printf("netboot: couldn't probe %s%d\n",
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nif->nif_driver->netif_bname, nif->nif_unit);
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continue;
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}
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netif_attach(nif, &desc, machdep_hint);
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get_bootinfo(&desc);
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nfs_setup(&desc);
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nfs_exec(&desc, kernel_override);
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netif_detach(nif);
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}
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}
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