diff options
Diffstat (limited to 'sys/arch')
| -rw-r--r-- | sys/arch/sparc64/stand/installboot/installboot.c | 172 |
1 files changed, 162 insertions, 10 deletions
diff --git a/sys/arch/sparc64/stand/installboot/installboot.c b/sys/arch/sparc64/stand/installboot/installboot.c index 9c43443c325..033661cd7ff 100644 --- a/sys/arch/sparc64/stand/installboot/installboot.c +++ b/sys/arch/sparc64/stand/installboot/installboot.c @@ -1,7 +1,8 @@ -/* $OpenBSD: installboot.c,v 1.13 2012/01/01 16:11:13 jsing Exp $ */ +/* $OpenBSD: installboot.c,v 1.14 2012/01/11 16:15:02 jsing Exp $ */ /* $NetBSD: installboot.c,v 1.8 2001/02/19 22:48:59 cgd Exp $ */ /*- + * Copyright (c) 2012 Joel Sing <jsing@openbsd.org> * Copyright (c) 1998 The NetBSD Foundation, Inc. * All rights reserved. * @@ -31,10 +32,17 @@ */ #include <sys/param.h> -#include <sys/time.h> -#include <sys/stat.h> +#include <sys/disklabel.h> +#include <sys/dkio.h> #include <sys/mman.h> +#include <sys/stat.h> +#include <sys/time.h> + +#include <dev/biovar.h> +#include <dev/softraidvar.h> + #include <ufs/ffs/fs.h> + #include <err.h> #include <fcntl.h> #include <stdlib.h> @@ -45,9 +53,15 @@ int verbose, nowrite; char *dev, *blkstore; +size_t blksize; static void usage(void); int main(int, char *[]); +static void write_bootblk(int); + +static int sr_volume(int, int *, int *); +static void sr_installboot(int); +static void sr_install_bootblk(int, int, int); static void usage(void) @@ -62,8 +76,8 @@ int main(int argc, char *argv[]) { char *blkfile, *realdev; + int vol = -1, ndisks = 0, disk; int c, devfd, blkfd; - size_t blksize; struct stat sb; while ((c = getopt(argc, argv, "nv")) != -1) { @@ -107,15 +121,41 @@ main(int argc, char *argv[]) if (read(blkfd, blkstore, sb.st_size) != sb.st_size) err(1, "read: %s", blkfile); - if (nowrite) - return 0; - - /* Write boot blocks into the superblock. */ if ((devfd = opendev(dev, (nowrite ? O_RDONLY : O_RDWR), OPENDEV_PART, &realdev)) < 0) err(1, "open: %s", realdev); if (verbose) printf("device: %s\n", realdev); + + if (sr_volume(devfd, &vol, &ndisks)) { + + /* Install boot loader in softraid volume. */ + sr_installboot(devfd); + + /* Install bootblk on each disk that is part of this volume. */ + for (disk = 0; disk < ndisks; disk++) + sr_install_bootblk(devfd, vol, disk); + + } else { + + /* Write boot blocks to device. */ + write_bootblk(devfd); + + } + + close(devfd); +} + +static void +write_bootblk(int devfd) +{ + /* + * Write bootblock into the superblock. + */ + + if (nowrite) + return; + if (lseek(devfd, DEV_BSIZE, SEEK_SET) != DEV_BSIZE) err(1, "lseek boot block"); @@ -124,8 +164,120 @@ main(int argc, char *argv[]) if (write(devfd, blkstore, blksize) != blksize) err(1, "write boot block"); +} - close(devfd); +static int +sr_volume(int devfd, int *vol, int *disks) +{ + struct bioc_inq bi; + struct bioc_vol bv; + int rv, i; + + /* Get volume information. */ + memset(&bi, 0, sizeof(bi)); + rv = ioctl(devfd, BIOCINQ, &bi); + if (rv == -1) + return 0; + + /* XXX - softraid volumes will always have a "softraid0" controller. */ + if (strncmp(bi.bi_dev, "softraid0", sizeof("softraid0"))) + return 0; + + /* Locate specific softraid volume. */ + for (i = 0; i < bi.bi_novol; i++) { + + memset(&bv, 0, sizeof(bv)); + bv.bv_volid = i; + rv = ioctl(devfd, BIOCVOL, &bv); + if (rv == -1) + err(1, "BIOCVOL"); + + if (strncmp(dev, bv.bv_dev, sizeof(bv.bv_dev)) == 0) { + *vol = i; + *disks = bv.bv_nodisk; + break; + } + + } + + if (verbose) + fprintf(stderr, "%s: softraid volume with %i disk(s)\n", + dev, *disks); + + return 1; +} + +static void +sr_installboot(int devfd) +{ + struct bioc_installboot bb; + struct stat sb; + int fd, i, rv; + u_char *p; + + /* + * Install boot loader into softraid boot loader storage area. + */ + bb.bb_bootldr = "XXX"; + bb.bb_bootldr_size = sizeof("XXX"); + bb.bb_bootblk = blkstore; + bb.bb_bootblk_size = blksize; + strncpy(bb.bb_dev, dev, sizeof(bb.bb_dev)); + if (!nowrite) { + if (verbose) + fprintf(stderr, "%s: installing boot loader on " + "softraid volume\n", dev); + rv = ioctl(devfd, BIOCINSTALLBOOT, &bb); + if (rv != 0) + errx(1, "softraid installboot failed"); + } +} + +static void +sr_install_bootblk(int devfd, int vol, int disk) +{ + struct bioc_disk bd; + struct disklabel dl; + struct partition *pp; + uint32_t poffset; + char *realdev; + char part; + int diskfd; + int rv; + + /* Get device name for this disk/chunk. */ + memset(&bd, 0, sizeof(bd)); + bd.bd_volid = vol; + bd.bd_diskid = disk; + rv = ioctl(devfd, BIOCDISK, &bd); + if (rv == -1) + err(1, "BIOCDISK"); + + /* Check disk status. */ + if (bd.bd_status != BIOC_SDONLINE && bd.bd_status != BIOC_SDREBUILD) { + fprintf(stderr, "softraid chunk %u not online - skipping...\n", + disk); + return; + } + + if (strlen(bd.bd_vendor) < 1) + errx(1, "invalid disk name"); + part = bd.bd_vendor[strlen(bd.bd_vendor) - 1]; + if (part < 'a' || part >= 'a' + MAXPARTITIONS) + errx(1, "invalid partition %c\n", part); + bd.bd_vendor[strlen(bd.bd_vendor) - 1] = '\0'; + + /* Open device. */ + if ((diskfd = opendev(bd.bd_vendor, (nowrite ? O_RDONLY : O_RDWR), + OPENDEV_PART, &realdev)) < 0) + err(1, "open: %s", realdev); + + if (verbose) + fprintf(stderr, "%s%c: installing boot blocks on %s\n", + bd.bd_vendor, part, realdev); + + /* Write boot blocks to device. */ + write_bootblk(diskfd); - return 0; + close(diskfd); } |