grub/kern/device.c
okuji 5a79f472c7 2007-07-22 Yoshinori K. Okuji <okuji@enbug.org>
Migrate to GNU General Public License Version 3.

    * COPYING: Replaced with the plain text version of GPLv3.

    * config.guess: Updated from gnulib.
    * config.sub: Likewise.

    * geninit.sh: Output a GPLv3 copyright notice.
    * geninitheader.sh: Likewise.
    * genmodsrc.sh: Likewise.
    * gensymlist.sh.in: Likewise.

    * boot/i386/pc/boot.S: Upgraded to GPLv3.
    * boot/i386/pc/diskboot.S: Likewise.
    * boot/i386/pc/pxeboot.S: Likewise.
    * commands/blocklist.c: Likewise.
    * commands/boot.c: Likewise.
    * commands/cat.c: Likewise.
    * commands/cmp.c: Likewise.
    * commands/configfile.c: Likewise.
    * commands/echo.c: Likewise.
    * commands/help.c: Likewise.
    * commands/ls.c: Likewise.
    * commands/search.c: Likewise.
    * commands/terminal.c: Likewise.
    * commands/test.c: Likewise.
    * commands/videotest.c: Likewise.
    * commands/i386/cpuid.c: Likewise.
    * commands/i386/pc/halt.c: Likewise.
    * commands/i386/pc/play.c: Likewise.
    * commands/i386/pc/reboot.c: Likewise.
    * commands/i386/pc/vbeinfo.c: Likewise.
    * commands/i386/pc/vbetest.c: Likewise.
    * commands/ieee1275/halt.c: Likewise.
    * commands/ieee1275/reboot.c: Likewise.
    * commands/ieee1275/suspend.c: Likewise.
    * disk/loopback.c: Likewise.
    * disk/lvm.c: Likewise.
    * disk/raid.c: Likewise.
    * disk/efi/efidisk.c: Likewise.
    * disk/i386/pc/biosdisk.c: Likewise.
    * disk/ieee1275/ofdisk.c: Likewise.
    * font/manager.c: Likewise.
    * fs/affs.c: Likewise.
    * fs/ext2.c: Likewise.
    * fs/fat.c: Likewise.
    * fs/fshelp.c: Likewise.
    * fs/hfs.c: Likewise.
    * fs/hfsplus.c: Likewise.
    * fs/iso9660.c: Likewise.
    * fs/jfs.c: Likewise.
    * fs/minix.c: Likewise.
    * fs/sfs.c: Likewise.
    * fs/ufs.c: Likewise.
    * fs/xfs.c: Likewise.
    * hello/hello.c: Likewise.
    * include/grub/acorn_filecore.h: Likewise.
    * include/grub/arg.h: Likewise.
    * include/grub/bitmap.h: Likewise.
    * include/grub/boot.h: Likewise.
    * include/grub/cache.h: Likewise.
    * include/grub/device.h: Likewise.
    * include/grub/disk.h: Likewise.
    * include/grub/dl.h: Likewise.
    * include/grub/elfload.h: Likewise.
    * include/grub/env.h: Likewise.
    * include/grub/err.h: Likewise.
    * include/grub/file.h: Likewise.
    * include/grub/font.h: Likewise.
    * include/grub/fs.h: Likewise.
    * include/grub/fshelp.h: Likewise.
    * include/grub/gzio.h: Likewise.
    * include/grub/hfs.h: Likewise.
    * include/grub/kernel.h: Likewise.
    * include/grub/loader.h: Likewise.
    * include/grub/lvm.h: Likewise.
    * include/grub/misc.h: Likewise.
    * include/grub/mm.h: Likewise.
    * include/grub/net.h: Likewise.
    * include/grub/normal.h: Likewise.
    * include/grub/parser.h: Likewise.
    * include/grub/partition.h: Likewise.
    * include/grub/pc_partition.h: Likewise.
    * include/grub/raid.h: Likewise.
    * include/grub/rescue.h: Likewise.
    * include/grub/script.h: Likewise.
    * include/grub/setjmp.h: Likewise.
    * include/grub/symbol.h: Likewise.
    * include/grub/term.h: Likewise.
    * include/grub/terminfo.h: Likewise.
    * include/grub/tparm.h: Likewise.
    * include/grub/types.h: Likewise.
    * include/grub/video.h: Likewise.
    * include/grub/efi/api.h: Likewise.
    * include/grub/efi/chainloader.h: Likewise.
    * include/grub/efi/console.h: Likewise.
    * include/grub/efi/console_control.h: Likewise.
    * include/grub/efi/disk.h: Likewise.
    * include/grub/efi/efi.h: Likewise.
    * include/grub/efi/pe32.h: Likewise.
    * include/grub/efi/time.h: Likewise.
    * include/grub/i386/linux.h: Likewise.
    * include/grub/i386/setjmp.h: Likewise.
    * include/grub/i386/types.h: Likewise.
    * include/grub/i386/efi/kernel.h: Likewise.
    * include/grub/i386/efi/loader.h: Likewise.
    * include/grub/i386/efi/time.h: Likewise.
    * include/grub/i386/pc/biosdisk.h: Likewise.
    * include/grub/i386/pc/boot.h: Likewise.
    * include/grub/i386/pc/chainloader.h: Likewise.
    * include/grub/i386/pc/console.h: Likewise.
    * include/grub/i386/pc/init.h: Likewise.
    * include/grub/i386/pc/kernel.h: Likewise.
    * include/grub/i386/pc/loader.h: Likewise.
    * include/grub/i386/pc/memory.h: Likewise.
    * include/grub/i386/pc/multiboot.h: Likewise.
    * include/grub/i386/pc/serial.h: Likewise.
    * include/grub/i386/pc/time.h: Likewise.
    * include/grub/i386/pc/vbe.h: Likewise.
    * include/grub/i386/pc/vbeblit.h: Likewise.
    * include/grub/i386/pc/vbefill.h: Likewise.
    * include/grub/i386/pc/vbeutil.h: Likewise.
    * include/grub/i386/pc/vga.h: Likewise.
    * include/grub/ieee1275/ieee1275.h: Likewise.
    * include/grub/ieee1275/ofdisk.h: Likewise.
    * include/grub/powerpc/libgcc.h: Likewise.
    * include/grub/powerpc/setjmp.h: Likewise.
    * include/grub/powerpc/types.h: Likewise.
    * include/grub/powerpc/ieee1275/biosdisk.h: Likewise.
    * include/grub/powerpc/ieee1275/console.h: Likewise.
    * include/grub/powerpc/ieee1275/ieee1275.h: Likewise.
    * include/grub/powerpc/ieee1275/kernel.h: Likewise.
    * include/grub/powerpc/ieee1275/loader.h: Likewise.
    * include/grub/powerpc/ieee1275/multiboot.h: Likewise.
    * include/grub/powerpc/ieee1275/time.h: Likewise.
    * include/grub/powerpc/ieee1275/util/biosdisk.h: Likewise.
    * include/grub/sparc64/libgcc.h: Likewise.
    * include/grub/sparc64/setjmp.h: Likewise.
    * include/grub/sparc64/types.h: Likewise.
    * include/grub/sparc64/ieee1275/console.h: Likewise.
    * include/grub/sparc64/ieee1275/ieee1275.h: Likewise.
    * include/grub/sparc64/ieee1275/kernel.h: Likewise.
    * include/grub/sparc64/ieee1275/time.h: Likewise.
    * include/grub/util/biosdisk.h: Likewise.
    * include/grub/util/getroot.h: Likewise.
    * include/grub/util/lvm.h: Likewise.
    * include/grub/util/misc.h: Likewise.
    * include/grub/util/raid.h: Likewise.
    * include/grub/util/resolve.h: Likewise.
    * io/gzio.c: Likewise.
    * kern/device.c: Likewise.
    * kern/disk.c: Likewise.
    * kern/dl.c: Likewise.
    * kern/elf.c: Likewise.
    * kern/env.c: Likewise.
    * kern/err.c: Likewise.
    * kern/file.c: Likewise.
    * kern/fs.c: Likewise.
    * kern/loader.c: Likewise.
    * kern/main.c: Likewise.
    * kern/misc.c: Likewise.
    * kern/mm.c: Likewise.
    * kern/parser.c: Likewise.
    * kern/partition.c: Likewise.
    * kern/rescue.c: Likewise.
    * kern/term.c: Likewise.
    * kern/efi/efi.c: Likewise.
    * kern/efi/init.c: Likewise.
    * kern/efi/mm.c: Likewise.
    * kern/i386/dl.c: Likewise.
    * kern/i386/efi/init.c: Likewise.
    * kern/i386/efi/startup.S: Likewise.
    * kern/i386/pc/init.c: Likewise.
    * kern/i386/pc/lzo1x.S: Likewise.
    * kern/i386/pc/startup.S: Likewise.
    * kern/ieee1275/ieee1275.c: Likewise.
    * kern/powerpc/cache.S: Likewise.
    * kern/powerpc/dl.c: Likewise.
    * kern/powerpc/ieee1275/cmain.c: Likewise.
    * kern/powerpc/ieee1275/crt0.S: Likewise.
    * kern/powerpc/ieee1275/init.c: Likewise.
    * kern/powerpc/ieee1275/openfw.c: Likewise.
    * kern/sparc64/cache.S: Likewise.
    * kern/sparc64/dl.c: Likewise.
    * kern/sparc64/ieee1275/init.c: Likewise.
    * kern/sparc64/ieee1275/openfw.c: Likewise.
    * loader/efi/chainloader.c: Likewise.
    * loader/efi/chainloader_normal.c: Likewise.
    * loader/i386/efi/linux.c: Likewise.
    * loader/i386/efi/linux_normal.c: Likewise.
    * loader/i386/pc/chainloader.c: Likewise.
    * loader/i386/pc/chainloader_normal.c: Likewise.
    * loader/i386/pc/linux.c: Likewise.
    * loader/i386/pc/linux_normal.c: Likewise.
    * loader/i386/pc/multiboot.c: Likewise.
    * loader/i386/pc/multiboot_normal.c: Likewise.
    * loader/powerpc/ieee1275/linux.c: Likewise.
    * loader/powerpc/ieee1275/linux_normal.c: Likewise.
    * normal/arg.c: Likewise.
    * normal/cmdline.c: Likewise.
    * normal/command.c: Likewise.
    * normal/completion.c: Likewise.
    * normal/execute.c: Likewise.
    * normal/function.c: Likewise.
    * normal/lexer.c: Likewise.
    * normal/main.c: Likewise.
    * normal/menu.c: Likewise.
    * normal/menu_entry.c: Likewise.
    * normal/misc.c: Likewise.
    * normal/parser.y: Likewise.
    * normal/script.c: Likewise.
    * normal/i386/setjmp.S: Likewise.
    * normal/powerpc/setjmp.S: Likewise.
    * normal/sparc64/setjmp.S: Likewise.
    * partmap/acorn.c: Likewise.
    * partmap/amiga.c: Likewise.
    * partmap/apple.c: Likewise.
    * partmap/gpt.c: Likewise.
    * partmap/pc.c: Likewise.
    * partmap/sun.c: Likewise.
    * term/gfxterm.c: Likewise.
    * term/terminfo.c: Likewise.
    * term/efi/console.c: Likewise.
    * term/i386/pc/console.c: Likewise.
    * term/i386/pc/serial.c: Likewise.
    * term/i386/pc/vesafb.c: Likewise.
    * term/i386/pc/vga.c: Likewise.
    * term/ieee1275/ofconsole.c: Likewise.
    * util/biosdisk.c: Likewise.
    * util/console.c: Likewise.
    * util/genmoddep.c: Likewise.
    * util/getroot.c: Likewise.
    * util/grub-emu.c: Likewise.
    * util/grub-mkdevicemap.c: Likewise.
    * util/grub-probe.c: Likewise.
    * util/lvm.c: Likewise.
    * util/misc.c: Likewise.
    * util/raid.c: Likewise.
    * util/resolve.c: Likewise.
    * util/update-grub.in: Likewise.
    * util/update-grub_lib.in: Likewise.
    * util/grub.d/00_header.in: Likewise.
    * util/grub.d/10_hurd.in: Likewise.
    * util/grub.d/10_linux.in: Likewise.
    * util/i386/efi/grub-install.in: Likewise.
    * util/i386/efi/grub-mkimage.c: Likewise.
    * util/i386/pc/grub-install.in: Likewise.
    * util/i386/pc/grub-mkimage.c: Likewise.
    * util/i386/pc/grub-mkrescue.in: Likewise.
    * util/i386/pc/grub-setup.c: Likewise.
    * util/i386/pc/misc.c: Likewise.
    * util/powerpc/ieee1275/grub-install.in: Likewise.
    * util/powerpc/ieee1275/grub-mkimage.c: Likewise.
    * util/powerpc/ieee1275/misc.c: Likewise.
    * video/bitmap.c: Likewise.
    * video/video.c: Likewise.
    * video/i386/pc/vbe.c: Likewise.
    * video/i386/pc/vbeblit.c: Likewise.
    * video/i386/pc/vbefill.c: Likewise.
    * video/i386/pc/vbeutil.c: Likewise.
    * video/readers/tga.c: Likewise.
2007-07-21 23:32:33 +00:00

139 lines
3.1 KiB
C

/* device.c - device manager */
/*
* GRUB -- GRand Unified Bootloader
* Copyright (C) 2002,2005,2007 Free Software Foundation, Inc.
*
* GRUB is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* GRUB is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with GRUB. If not, see <http://www.gnu.org/licenses/>.
*/
#include <grub/device.h>
#include <grub/disk.h>
#include <grub/net.h>
#include <grub/fs.h>
#include <grub/mm.h>
#include <grub/misc.h>
#include <grub/env.h>
#include <grub/partition.h>
grub_device_t
grub_device_open (const char *name)
{
grub_disk_t disk = 0;
grub_device_t dev = 0;
if (! name)
{
name = grub_env_get ("root");
if (*name == '\0')
{
grub_error (GRUB_ERR_BAD_DEVICE, "no device is set");
goto fail;
}
}
dev = grub_malloc (sizeof (*dev));
if (! dev)
goto fail;
/* Try to open a disk. */
disk = grub_disk_open (name);
if (! disk)
{
grub_error (GRUB_ERR_BAD_DEVICE, "unknown device");
goto fail;
}
dev->disk = disk;
dev->net = 0; /* FIXME */
return dev;
fail:
if (disk)
grub_disk_close (disk);
grub_free (dev);
return 0;
}
grub_err_t
grub_device_close (grub_device_t device)
{
if (device->disk)
grub_disk_close (device->disk);
grub_free (device);
return grub_errno;
}
int
grub_device_iterate (int (*hook) (const char *name))
{
auto int iterate_disk (const char *disk_name);
auto int iterate_partition (grub_disk_t disk,
const grub_partition_t partition);
int iterate_disk (const char *disk_name)
{
grub_device_t dev;
if (hook (disk_name))
return 1;
dev = grub_device_open (disk_name);
if (! dev)
return 1;
if (dev->disk && dev->disk->has_partitions)
if (grub_partition_iterate (dev->disk, iterate_partition))
{
grub_device_close (dev);
return 1;
}
grub_device_close (dev);
return 0;
}
int iterate_partition (grub_disk_t disk, const grub_partition_t partition)
{
char *partition_name;
char *device_name;
int ret;
partition_name = grub_partition_get_name (partition);
if (! partition_name)
return 1;
device_name = grub_malloc (grub_strlen (disk->name) + 1
+ grub_strlen (partition_name) + 1);
if (! device_name)
{
grub_free (partition_name);
return 1;
}
grub_sprintf (device_name, "%s,%s", disk->name, partition_name);
grub_free (partition_name);
ret = hook (device_name);
grub_free (device_name);
return ret;
}
/* Only disk devices are supported at the moment. */
return grub_disk_dev_iterate (iterate_disk);
}