2b00217369
* DISTLIST: Added commands/echo.c, disk/lvm.c, disk/raid.c,
include/grub/bitmap.h, include/grub/lvm.h, include/grub/raid.h,
include/grub/i386/pc/vbeutil.h, include/grub/util/lvm.h,
include/grub/util/raid.h, util/lvm.c, util/raid.c, video/bitmap.c,
video/readers/tga.c and video/i386/pc/vbeutil.c.
2006-10-14 Jeroen Dekkers <jeroen@dekkers.cx>
Added support for RAID and LVM.
* disk/lvm.c: New file.
* disk/raid.c: Likewise.
* include/grub/lvm.h: Likewise.
* include/grub/raid.h: Likewise.
* include/grub/util/lvm.h: Likewise.
* include/grub/util/raid.h: Likewise.
* util/lvm.c: Likewise.
* util/raid.c: Likewise.
* include/grub/disk.h (grub_disk_dev_id): Add
GRUB_DISK_DEVICE_RAID_ID and GRUB_DISK_DEVICE_LVM_ID.
(grub_disk_get_size): New prototype.
* kern/disk.c (grub_disk_open): Check whether grub_partition_probe()
returns a partition.
(grub_disk_get_size): New function.
* kern/i386/pc/init.c (make_install_device): Copy the prefix
verbatim if grub_install_dos_part is -2.
* util/i386/pc/getroot.c (grub_guess_root_device): Support RAID
and LVM devices.
* util/i386/pc/grub-setup.c (setup): New argument
MUST_EMBED. Force embedding of GRUB when the argument is
true. Close FILE before returning.
(main): Add support for RAID and LVM.
* conf/common.rmk: Add RAID and LVM modules.
* conf/i386-pc.rmk (grub_setup_SOURCES): Add util/raid.c and
util/lvm.c.
(grub_emu_SOURCES): Add disk/raid.c and disk/lvm.c.
* kern/misc.c (grub_strstr): New function.
* include/grub/misc.h (grub_strstr): New prototype.
112 lines
3 KiB
C
112 lines
3 KiB
C
/* raid.c - RAID support for GRUB utils. */
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/*
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* GRUB -- GRand Unified Bootloader
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* Copyright (C) 2006 Free Software Foundation, Inc.
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*
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* GRUB is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with GRUB; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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/* We only support RAID on Linux. */
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#ifdef __linux__
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#include <grub/util/misc.h>
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#include <string.h>
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#include <fcntl.h>
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#include <sys/ioctl.h>
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#include <errno.h>
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#include <linux/types.h>
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#include <linux/major.h>
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#include <linux/raid/md_p.h>
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#include <linux/raid/md_u.h>
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char *
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grub_util_getdiskname (int major, int minor)
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{
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char *name = xmalloc (15);
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if (major == LOOP_MAJOR)
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sprintf (name, "/dev/loop%d", minor);
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else if (major == IDE0_MAJOR)
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sprintf (name, "/dev/hd%c", 'a' + minor / 64);
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else if (major == IDE1_MAJOR)
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sprintf (name, "/dev/hd%c", 'c' + minor / 64);
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else if (major == IDE2_MAJOR)
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sprintf (name, "/dev/hd%c", 'e' + minor / 64);
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else if (major == IDE3_MAJOR)
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sprintf (name, "/dev/hd%c", 'g' + minor / 64);
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else if (major == SCSI_DISK0_MAJOR)
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sprintf (name, "/dev/sd%c", 'a' + minor / 16);
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else
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grub_util_error ("Unknown device number: %d, %d", major, minor);
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return name;
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}
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char **
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grub_util_raid_getmembers (char *name)
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{
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int fd, ret, i, j;
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char *devname;
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char **devicelist;
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mdu_version_t version;
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mdu_array_info_t info;
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mdu_disk_info_t disk;
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devname = xmalloc (strlen (name) + 6);
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strcpy (devname, "/dev/");
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strcpy (devname+5, name);
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fd = open (devname, O_RDONLY);
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if (fd == -1)
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grub_util_error ("Can't open %s: %s", devname, strerror (errno));
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free (devname);
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ret = ioctl (fd, RAID_VERSION, &version);
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if (ret != 0)
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grub_util_error ("ioctl RAID_VERSION error: %s", strerror (errno));
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if (version.major != 0 || version.minor != 90)
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grub_util_error ("Unsupported RAID version: %d.%d",
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version.major, version.minor);
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ret = ioctl (fd, GET_ARRAY_INFO, &info);
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if (ret != 0)
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grub_util_error ("ioctl GET_ARRAY_INFO error: %s", strerror (errno));
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devicelist = xmalloc ((info.nr_disks + 1) * sizeof (char *));
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for (i = 0, j = 0; i <info.nr_disks; i++)
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{
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disk.number = i;
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ret = ioctl (fd, GET_DISK_INFO, &disk);
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if (ret != 0)
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grub_util_error ("ioctl GET_DISK_INFO error: %s", strerror (errno));
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if (disk.state & (1 << MD_DISK_ACTIVE))
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{
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devicelist[j] = grub_util_getdiskname (disk.major, disk.minor);
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j++;
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}
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}
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devicelist[j] = NULL;
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return devicelist;
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}
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#endif /* ! __linux__ */
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