grub/grub-core/kern/emu/full.c

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/*
* GRUB -- GRand Unified Bootloader
* Copyright (C) 2010 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 <config.h>
#include <grub/dl.h>
#include <grub/env.h>
#include <grub/kernel.h>
#include <grub/misc.h>
#include <grub/emu/misc.h>
#include <grub/disk.h>
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void
grub_register_exported_symbols (void)
{
}
grub_err_t
grub_arch_dl_check_header (void *ehdr)
{
(void) ehdr;
return GRUB_ERR_BAD_MODULE;
}
grub_err_t
grub_arch_dl_relocate_symbols (grub_dl_t mod, void *ehdr)
{
(void) mod;
(void) ehdr;
return GRUB_ERR_BAD_MODULE;
}
void
grub_emu_init (void)
{
grub_no_autoload = 1;
}
#ifdef __ia64__
void grub_arch_dl_get_tramp_got_size (const void *ehdr __attribute__ ((unused)),
grub_size_t *tramp, grub_size_t *got)
{
*tramp = 0;
*got = 0;
}
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#endif
#ifdef GRUB_LINKER_HAVE_INIT
void
grub_arch_dl_init_linker (void)
{
}
#endif
void
grub_emu_post_init (void)
{
grub_lvm_fini ();
grub_mdraid09_fini ();
grub_mdraid1x_fini ();
Merge common RAID and LVM logic to an abstract diskfilter. Add LDM support using the same framework. * Makefile.util.def (libgrubkern): Add grub-core/disk/ldm.c, grub-core/disk/diskfilter.c and grub-core/partmap/gpt.c. (libgrubmods): Remove grub-core/disk/raid.c and grub-core/partmap/gpt.c. * grub-core/Makefile.core.def (ldm): New module. (raid): Renamed to diskfilter. All users updated. * grub-core/disk/raid.c: Moved to ... * grub-core/disk/diskfilter.c: ... here. * grub-core/disk/diskfilter.c: Rename grub_raid_ to grub_diskfilter_. (lv_num): New var. (find_array): Renamed to ... (find_lv): ... this. Support multi-LV. Skip nameless LVs (grub_is_array_readable): Renamed to ... (grub_is_lv_readable): ... this. Support multinode hierarchy. (insert_array): New argument id. (is_node_readable): New function. (scan_device): Rename to ... (scan_disk): .. this. Restrict to one disk. (scan_devices): New function. (grub_diskfilter_iterate): Support multi-LV. Skip invisible and nameless LVs. (grub_diskfilter_memberlist): Support multi-LV. (grub_diskfilter_read_node): New function. (grub_raid_read): Most of logic moved to ... (read_segment): ... here (read_lv): New function. (grub_diskfilter_get_vg_by_uuid): New function. (grub_diskfilter_make_raid): Likewise. * grub-core/disk/ldm.c: New file. * grub-core/disk/lvm.c (vg_list): Removed. (lv_count): Likewise. (scan_depth): Likewise. (is_lv_readable): Likewise. (grub_lvm_getvalue): Advance pointer past the number. (find_lv): Removed. (do_lvm_scan): Refactored into ... (grub_lvm_detect): ... this. Support raid. (grub_lvm_iterate): Removed. (grub_lvm_memberlist): Likewise. (grub_lvm_open): Likewise. (grub_lvm_close): Likewise. (read_lv): Likewise. (read_node): Likewise. (is_node_readable): Likewise. (is_lv_readable): Likewise. (grub_lvm_read): Likewise. (grub_lvm_write): Likewise. (grub_lvm_dev): Use diskfilter (GRUB_MOD_INIT): Likewise. (GRUB_MOD_FINI): Likewise. * grub-core/disk/dmraid_nvidia.c (grub_dmraid_nv_detect): Use new interface. * grub-core/disk/mdraid1x_linux.c (grub_mdraid_detect): Likewise. * grub-core/disk/mdraid_linux.c (grub_mdraid_detect): Likewise. * grub-core/disk/raid5_recover.c (grub_raid5_recover): Use grub_diskfilter_read_node. Fix a bug with xor. * grub-core/disk/raid6_recover.c (grub_raid6_recover): Use grub_diskfilter_read_node. Support GRUB_RAID_LAYOUT_MUL_FROM_POS. * grub-core/kern/disk.c (grub_disk_dev_list): Make global. (grub_disk_dev_iterate): Move from here... * include/grub/disk.h (grub_disk_dev_iterate): ... to here. Inlined. * grub-core/kern/emu/hostdisk.c (grub_hostdisk_find_partition_start): Make global. (grub_hostdisk_find_partition_start): Likewise. (grub_hostdisk_os_dev_to_grub_drive): New function. (grub_util_biosdisk_get_osdev): Check that disk is biosdisk. * grub-core/kern/emu/hostdisk.c (make_device_name): Move to ... * util/getroot.c (make_device_name): ... here. * grub-core/kern/emu/hostdisk.c (grub_util_get_dm_node_linear_info): Move to ... * util/getroot.c (grub_util_get_dm_node_linear_info): ...here. * grub-core/kern/emu/hostdisk.c (convert_system_partition_to_system_disk): Move to ... * util/getroot.c (convert_system_partition_to_system_disk): ...here. * grub-core/kern/emu/hostdisk.c (device_is_wholedisk): Move to ... * util/getroot.c (device_is_wholedisk): ... here. * grub-core/kern/emu/hostdisk.c (find_system_device): Move to ... * util/getroot.c (find_system_device): ... here. * grub-core/kern/emu/hostdisk.c (grub_util_biosdisk_is_present): Move to ... * util/getroot.c (grub_util_biosdisk_is_present): ...here. * grub-core/kern/emu/hostdisk.c (grub_util_biosdisk_get_grub_dev): Move to ... * util/getroot.c (grub_util_biosdisk_get_grub_dev): ... here. Handle LDM. * grub-core/kern/emu/hostdisk.c (grub_util_biosdisk_is_floppy): Move to ... * util/getroot.c (grub_util_biosdisk_is_floppy): ... here. * grub-core/partmap/gpt.c (grub_gpt_partition_map_iterate): Made global. * include/grub/disk.h (grub_disk_dev_id): Replaced RAID and LVM with DISKFILTER. * include/grub/raid.h: Renamed to ... * include/grub/diskfilter.h: ... this. * include/grub/diskfilter.h: Rename grub_raid_* to grub_diskfilter_* (GRUB_RAID_LAYOUT_*): Make into array. (GRUB_RAID_LAYOUT_MUL_FROM_POS): New value. (grub_diskfilter_vg): New struct. (grub_diskfilter_pv_id): Likewise. (grub_raid_member): Removed. (grub_raid_array): Likewise. (grub_diskfilter_pv): New struct. (grub_diskfilter_lv): Likewise. (grub_diskfilter_segment): Likewise. (grub_diskfilter_node): Likewise. (grub_diskfilter_get_vg_by_uuid): New proto. (grub_raid_register): Inline. (grub_diskfilter_unregister): Likewise. (grub_diskfilter_make_raid): New proto. (grub_diskfilter_vg_register): Likewise. (grub_diskfilter_read_node): Likewise. (grub_diskfilter_get_pv_from_disk) [GRUB_UTIL]: Likewise. * include/grub/emu/hostdisk.h (grub_util_get_ldm): New proto. (grub_util_is_ldm): Likewise. (grub_util_ldm_embed) [GRUB_UTIL]: Likewise. (grub_hostdisk_find_partition_start): Likewise. (grub_hostdisk_os_dev_to_grub_drive): Likewise. * include/grub/gpt_partition.h (GRUB_GPT_PARTITION_TYPE_LDM): New definition. (grub_gpt_partition_map_iterate): New proto. * include/grub/lvm.h (grub_lvm_vg): Removed. (grub_lvm_pv): Likewise. (grub_lvm_lv): Likewise. (grub_lvm_segment): Likewise. (grub_lvm_node): Likewise. * util/getroot.c [...] * util/grub-probe.c (probe_raid_level): Handle diskfilter. (probe_abstraction): Likewise. * util/grub-setup.c (setup): Remove must_embed. Support LDM. (main): Remove dead logic.
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grub_diskfilter_fini ();
grub_diskfilter_init ();
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grub_mdraid09_init ();
grub_mdraid1x_init ();
grub_lvm_init ();
}