Split mdraid.mod into mdraid09.mod and mdraid1x.mod.
* Makefile.util.def (libgrub.a): Add grub-core/disk/mdraid1x_linux.c. * grub-core/Makefile.core.def (mdraid): Renamed to ... (mdraid09): ... this. (mdraid1x): New module. * grub-core/disk/mdraid_linux.c: Move 1.x parts ... * grub-core/disk/mdraid1x_linux.c: ...here. All users updated.
This commit is contained in:
parent
899d8af498
commit
1e8d555b7d
9 changed files with 307 additions and 239 deletions
11
ChangeLog
11
ChangeLog
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@ -1,3 +1,14 @@
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2010-09-20 Vladimir Serbinenko <phcoder@gmail.com>
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Split mdraid.mod into mdraid09.mod and mdraid1x.mod.
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* Makefile.util.def (libgrub.a): Add grub-core/disk/mdraid1x_linux.c.
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* grub-core/Makefile.core.def (mdraid): Renamed to ...
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(mdraid09): ... this.
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(mdraid1x): New module.
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* grub-core/disk/mdraid_linux.c: Move 1.x parts ...
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* grub-core/disk/mdraid1x_linux.c: ...here. All users updated.
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2010-09-20 Vladimir Serbinenko <phcoder@gmail.com>
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2010-09-20 Vladimir Serbinenko <phcoder@gmail.com>
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* grub-core/kern/emu/misc.c (asprintf): Use vsnprintf instead of
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* grub-core/kern/emu/misc.c (asprintf): Use vsnprintf instead of
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@ -25,6 +25,7 @@ library = {
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common = grub-core/disk/loopback.c;
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common = grub-core/disk/loopback.c;
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common = grub-core/disk/lvm.c;
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common = grub-core/disk/lvm.c;
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common = grub-core/disk/mdraid_linux.c;
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common = grub-core/disk/mdraid_linux.c;
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common = grub-core/disk/mdraid1x_linux.c;
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common = grub-core/disk/raid5_recover.c;
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common = grub-core/disk/raid5_recover.c;
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common = grub-core/disk/raid6_recover.c;
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common = grub-core/disk/raid6_recover.c;
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common = grub-core/disk/raid.c;
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common = grub-core/disk/raid.c;
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@ -741,10 +741,15 @@ module = {
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};
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};
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module = {
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module = {
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name = mdraid;
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name = mdraid09;
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common = disk/mdraid_linux.c;
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common = disk/mdraid_linux.c;
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};
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};
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module = {
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name = mdraid1x;
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common = disk/mdraid1x_linux.c;
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};
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module = {
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module = {
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name = raid;
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name = raid;
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common = disk/raid.c;
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common = disk/raid.c;
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231
grub-core/disk/mdraid1x_linux.c
Normal file
231
grub-core/disk/mdraid1x_linux.c
Normal file
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@ -0,0 +1,231 @@
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/* mdraid_linux.c - module to handle Linux Software RAID. */
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/*
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* GRUB -- GRand Unified Bootloader
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* Copyright (C) 2008,2009,2010 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 3 of the License, or
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* (at your option) any later version.
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*
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* GRUB 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, see <http://www.gnu.org/licenses/>.
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*/
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#include <grub/dl.h>
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#include <grub/disk.h>
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#include <grub/mm.h>
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#include <grub/err.h>
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#include <grub/misc.h>
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#include <grub/raid.h>
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/* Linux RAID on disk structures and constants,
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copied from include/linux/raid/md_p.h. */
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#define SB_MAGIC 0xa92b4efc
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/*
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* The version-1 superblock :
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* All numeric fields are little-endian.
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*
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* Total size: 256 bytes plus 2 per device.
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* 1K allows 384 devices.
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*/
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struct grub_raid_super_1x
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{
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/* Constant array information - 128 bytes. */
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grub_uint32_t magic; /* MD_SB_MAGIC: 0xa92b4efc - little endian. */
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grub_uint32_t major_version; /* 1. */
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grub_uint32_t feature_map; /* Bit 0 set if 'bitmap_offset' is meaningful. */
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grub_uint32_t pad0; /* Always set to 0 when writing. */
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grub_uint8_t set_uuid[16]; /* User-space generated. */
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char set_name[32]; /* Set and interpreted by user-space. */
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grub_uint64_t ctime; /* Lo 40 bits are seconds, top 24 are microseconds or 0. */
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grub_uint32_t level; /* -4 (multipath), -1 (linear), 0,1,4,5. */
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grub_uint32_t layout; /* only for raid5 and raid10 currently. */
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grub_uint64_t size; /* Used size of component devices, in 512byte sectors. */
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grub_uint32_t chunksize; /* In 512byte sectors. */
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grub_uint32_t raid_disks;
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grub_uint32_t bitmap_offset; /* Sectors after start of superblock that bitmap starts
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* NOTE: signed, so bitmap can be before superblock
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* only meaningful of feature_map[0] is set.
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*/
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/* These are only valid with feature bit '4'. */
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grub_uint32_t new_level; /* New level we are reshaping to. */
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grub_uint64_t reshape_position; /* Next address in array-space for reshape. */
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grub_uint32_t delta_disks; /* Change in number of raid_disks. */
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grub_uint32_t new_layout; /* New layout. */
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grub_uint32_t new_chunk; /* New chunk size (512byte sectors). */
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grub_uint8_t pad1[128 - 124]; /* Set to 0 when written. */
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/* Constant this-device information - 64 bytes. */
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grub_uint64_t data_offset; /* Sector start of data, often 0. */
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grub_uint64_t data_size; /* Sectors in this device that can be used for data. */
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grub_uint64_t super_offset; /* Sector start of this superblock. */
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grub_uint64_t recovery_offset; /* Sectors before this offset (from data_offset) have been recovered. */
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grub_uint32_t dev_number; /* Permanent identifier of this device - not role in raid. */
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grub_uint32_t cnt_corrected_read; /* Number of read errors that were corrected by re-writing. */
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grub_uint8_t device_uuid[16]; /* User-space setable, ignored by kernel. */
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grub_uint8_t devflags; /* Per-device flags. Only one defined... */
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grub_uint8_t pad2[64 - 57]; /* Set to 0 when writing. */
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/* Array state information - 64 bytes. */
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grub_uint64_t utime; /* 40 bits second, 24 btes microseconds. */
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grub_uint64_t events; /* Incremented when superblock updated. */
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grub_uint64_t resync_offset; /* Data before this offset (from data_offset) known to be in sync. */
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grub_uint32_t sb_csum; /* Checksum upto devs[max_dev]. */
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grub_uint32_t max_dev; /* Size of devs[] array to consider. */
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grub_uint8_t pad3[64 - 32]; /* Set to 0 when writing. */
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/* Device state information. Indexed by dev_number.
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* 2 bytes per device.
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* Note there are no per-device state flags. State information is rolled
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* into the 'roles' value. If a device is spare or faulty, then it doesn't
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* have a meaningful role.
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*/
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grub_uint16_t dev_roles[0]; /* Role in array, or 0xffff for a spare, or 0xfffe for faulty. */
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};
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/* Could be __attribute__ ((packed)), but since all members in this struct
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are already appropriately aligned, we can omit this and avoid suboptimal
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assembly in some cases. */
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#define WriteMostly1 1 /* Mask for writemostly flag in above devflags. */
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static grub_err_t
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grub_mdraid_detect (grub_disk_t disk, struct grub_raid_array *array,
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grub_disk_addr_t *start_sector)
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{
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grub_disk_addr_t sector;
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grub_uint64_t size;
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struct grub_raid_super_1x sb;
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grub_uint8_t minor_version;
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/* The sector where the mdraid 0.90 superblock is stored, if available. */
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size = grub_disk_get_size (disk);
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/* Check for an 1.x superblock.
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* It's always aligned to a 4K boundary
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* and depending on the minor version it can be:
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* 0: At least 8K, but less than 12K, from end of device
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* 1: At start of device
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* 2: 4K from start of device.
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*/
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for (minor_version = 0; minor_version < 3; ++minor_version)
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{
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switch (minor_version)
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{
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case 0:
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sector = (size - 8 * 2) & ~(4 * 2 - 1);
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break;
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case 1:
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sector = 0;
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break;
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case 2:
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sector = 4 * 2;
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break;
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}
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if (grub_disk_read (disk, sector, 0, sizeof (struct grub_raid_super_1x),
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&sb))
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return grub_errno;
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if (sb.magic != SB_MAGIC)
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continue;
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{
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grub_uint64_t sb_size;
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struct grub_raid_super_1x *real_sb;
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if (sb.major_version != 1)
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return grub_error (GRUB_ERR_NOT_IMPLEMENTED_YET,
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"Unsupported RAID version: %d",
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sb.major_version);
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/* Multipath. */
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if ((int) sb.level == -4)
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sb.level = 1;
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if (sb.level != 0 && sb.level != 1 && sb.level != 4 &&
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sb.level != 5 && sb.level != 6 && sb.level != 10)
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return grub_error (GRUB_ERR_NOT_IMPLEMENTED_YET,
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"Unsupported RAID level: %d", sb.level);
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/* 1.x superblocks don't have a fixed size on disk. So we have to
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read it again now that we now the max device count. */
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sb_size = sizeof (struct grub_raid_super_1x)
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+ 2 * grub_le_to_cpu32 (sb.max_dev);
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real_sb = grub_malloc (sb_size);
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if (! real_sb)
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return grub_errno;
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if (grub_disk_read (disk, sector, 0, sb_size, real_sb))
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{
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grub_free (real_sb);
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return grub_errno;
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}
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array->name = grub_strdup (real_sb->set_name);
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if (! array->name)
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{
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grub_free (real_sb);
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return grub_errno;
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}
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array->number = 0;
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array->level = grub_le_to_cpu32 (real_sb->level);
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array->layout = grub_le_to_cpu32 (real_sb->layout);
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array->total_devs = grub_le_to_cpu32 (real_sb->raid_disks);
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array->disk_size = grub_le_to_cpu64 (real_sb->size);
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array->chunk_size = grub_le_to_cpu32 (real_sb->chunksize);
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if (grub_le_to_cpu32 (real_sb->dev_number) <
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grub_le_to_cpu32 (real_sb->max_dev))
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array->index = grub_le_to_cpu16
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(real_sb->dev_roles[grub_le_to_cpu32 (real_sb->dev_number)]);
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else
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array->index = 0xffff; /* disk will be later not used! */
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array->uuid_len = 16;
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array->uuid = grub_malloc (16);
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if (!array->uuid)
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{
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grub_free (real_sb);
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return grub_errno;
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}
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grub_memcpy (array->uuid, real_sb->set_uuid, 16);
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*start_sector = real_sb->data_offset;
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grub_free (real_sb);
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return 0;
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}
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}
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return grub_error (GRUB_ERR_OUT_OF_RANGE, "not 1.x raid");
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}
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static struct grub_raid grub_mdraid_dev = {
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.name = "mdraid1x",
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.detect = grub_mdraid_detect,
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.next = 0
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};
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GRUB_MOD_INIT (mdraid1x)
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{
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grub_raid_register (&grub_mdraid_dev);
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}
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GRUB_MOD_FINI (mdraid1x)
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{
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grub_raid_unregister (&grub_mdraid_dev);
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}
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@ -159,266 +159,78 @@ struct grub_raid_super_09
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struct grub_raid_disk_09 this_disk;
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struct grub_raid_disk_09 this_disk;
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} __attribute__ ((packed));
|
} __attribute__ ((packed));
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/*
|
|
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* The version-1 superblock :
|
|
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* All numeric fields are little-endian.
|
|
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*
|
|
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* Total size: 256 bytes plus 2 per device.
|
|
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* 1K allows 384 devices.
|
|
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*/
|
|
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|
|
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struct grub_raid_super_1x
|
|
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{
|
|
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/* Constant array information - 128 bytes. */
|
|
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grub_uint32_t magic; /* MD_SB_MAGIC: 0xa92b4efc - little endian. */
|
|
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grub_uint32_t major_version; /* 1. */
|
|
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grub_uint32_t feature_map; /* Bit 0 set if 'bitmap_offset' is meaningful. */
|
|
||||||
grub_uint32_t pad0; /* Always set to 0 when writing. */
|
|
||||||
|
|
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grub_uint8_t set_uuid[16]; /* User-space generated. */
|
|
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char set_name[32]; /* Set and interpreted by user-space. */
|
|
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|
|
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grub_uint64_t ctime; /* Lo 40 bits are seconds, top 24 are microseconds or 0. */
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|
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grub_uint32_t level; /* -4 (multipath), -1 (linear), 0,1,4,5. */
|
|
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grub_uint32_t layout; /* only for raid5 and raid10 currently. */
|
|
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grub_uint64_t size; /* Used size of component devices, in 512byte sectors. */
|
|
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|
|
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grub_uint32_t chunksize; /* In 512byte sectors. */
|
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grub_uint32_t raid_disks;
|
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grub_uint32_t bitmap_offset; /* Sectors after start of superblock that bitmap starts
|
|
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* NOTE: signed, so bitmap can be before superblock
|
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* only meaningful of feature_map[0] is set.
|
|
||||||
*/
|
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|
|
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/* These are only valid with feature bit '4'. */
|
|
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grub_uint32_t new_level; /* New level we are reshaping to. */
|
|
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grub_uint64_t reshape_position; /* Next address in array-space for reshape. */
|
|
||||||
grub_uint32_t delta_disks; /* Change in number of raid_disks. */
|
|
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grub_uint32_t new_layout; /* New layout. */
|
|
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grub_uint32_t new_chunk; /* New chunk size (512byte sectors). */
|
|
||||||
grub_uint8_t pad1[128 - 124]; /* Set to 0 when written. */
|
|
||||||
|
|
||||||
/* Constant this-device information - 64 bytes. */
|
|
||||||
grub_uint64_t data_offset; /* Sector start of data, often 0. */
|
|
||||||
grub_uint64_t data_size; /* Sectors in this device that can be used for data. */
|
|
||||||
grub_uint64_t super_offset; /* Sector start of this superblock. */
|
|
||||||
grub_uint64_t recovery_offset; /* Sectors before this offset (from data_offset) have been recovered. */
|
|
||||||
grub_uint32_t dev_number; /* Permanent identifier of this device - not role in raid. */
|
|
||||||
grub_uint32_t cnt_corrected_read; /* Number of read errors that were corrected by re-writing. */
|
|
||||||
grub_uint8_t device_uuid[16]; /* User-space setable, ignored by kernel. */
|
|
||||||
grub_uint8_t devflags; /* Per-device flags. Only one defined... */
|
|
||||||
grub_uint8_t pad2[64 - 57]; /* Set to 0 when writing. */
|
|
||||||
|
|
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/* Array state information - 64 bytes. */
|
|
||||||
grub_uint64_t utime; /* 40 bits second, 24 btes microseconds. */
|
|
||||||
grub_uint64_t events; /* Incremented when superblock updated. */
|
|
||||||
grub_uint64_t resync_offset; /* Data before this offset (from data_offset) known to be in sync. */
|
|
||||||
grub_uint32_t sb_csum; /* Checksum upto devs[max_dev]. */
|
|
||||||
grub_uint32_t max_dev; /* Size of devs[] array to consider. */
|
|
||||||
grub_uint8_t pad3[64 - 32]; /* Set to 0 when writing. */
|
|
||||||
|
|
||||||
/* Device state information. Indexed by dev_number.
|
|
||||||
* 2 bytes per device.
|
|
||||||
* Note there are no per-device state flags. State information is rolled
|
|
||||||
* into the 'roles' value. If a device is spare or faulty, then it doesn't
|
|
||||||
* have a meaningful role.
|
|
||||||
*/
|
|
||||||
grub_uint16_t dev_roles[0]; /* Role in array, or 0xffff for a spare, or 0xfffe for faulty. */
|
|
||||||
};
|
|
||||||
/* Could be __attribute__ ((packed)), but since all members in this struct
|
|
||||||
are already appropriately aligned, we can omit this and avoid suboptimal
|
|
||||||
assembly in some cases. */
|
|
||||||
|
|
||||||
#define WriteMostly1 1 /* Mask for writemostly flag in above devflags. */
|
|
||||||
|
|
||||||
static grub_err_t
|
|
||||||
grub_mdraid_detect_09 (grub_disk_addr_t sector,
|
|
||||||
struct grub_raid_super_09 *sb,
|
|
||||||
struct grub_raid_array *array,
|
|
||||||
grub_disk_addr_t *start_sector)
|
|
||||||
{
|
|
||||||
grub_uint32_t *uuid;
|
|
||||||
|
|
||||||
if (sb->major_version != 0 || sb->minor_version != 90)
|
|
||||||
return grub_error (GRUB_ERR_NOT_IMPLEMENTED_YET,
|
|
||||||
"unsupported RAID version: %d.%d",
|
|
||||||
sb->major_version, sb->minor_version);
|
|
||||||
|
|
||||||
/* FIXME: Check the checksum. */
|
|
||||||
|
|
||||||
/* Multipath. */
|
|
||||||
if ((int) sb->level == -4)
|
|
||||||
sb->level = 1;
|
|
||||||
|
|
||||||
if (sb->level != 0 && sb->level != 1 && sb->level != 4 &&
|
|
||||||
sb->level != 5 && sb->level != 6 && sb->level != 10)
|
|
||||||
return grub_error (GRUB_ERR_NOT_IMPLEMENTED_YET,
|
|
||||||
"unsupported RAID level: %d", sb->level);
|
|
||||||
|
|
||||||
array->name = NULL;
|
|
||||||
array->number = sb->md_minor;
|
|
||||||
array->level = sb->level;
|
|
||||||
array->layout = sb->layout;
|
|
||||||
array->total_devs = sb->raid_disks;
|
|
||||||
array->disk_size = (sb->size) ? sb->size * 2 : sector;
|
|
||||||
array->chunk_size = sb->chunk_size >> 9;
|
|
||||||
array->index = sb->this_disk.number;
|
|
||||||
array->uuid_len = 16;
|
|
||||||
array->uuid = grub_malloc (16);
|
|
||||||
if (!array->uuid)
|
|
||||||
return grub_errno;
|
|
||||||
|
|
||||||
uuid = (grub_uint32_t *) array->uuid;
|
|
||||||
uuid[0] = sb->set_uuid0;
|
|
||||||
uuid[1] = sb->set_uuid1;
|
|
||||||
uuid[2] = sb->set_uuid2;
|
|
||||||
uuid[3] = sb->set_uuid3;
|
|
||||||
|
|
||||||
*start_sector = 0;
|
|
||||||
|
|
||||||
return 0;
|
|
||||||
}
|
|
||||||
|
|
||||||
static grub_err_t
|
|
||||||
grub_mdraid_detect_1x (grub_disk_t disk, grub_disk_addr_t sector,
|
|
||||||
struct grub_raid_super_1x *sb,
|
|
||||||
struct grub_raid_array *array,
|
|
||||||
grub_disk_addr_t *start_sector)
|
|
||||||
{
|
|
||||||
grub_uint64_t sb_size;
|
|
||||||
struct grub_raid_super_1x *real_sb;
|
|
||||||
|
|
||||||
if (sb->major_version != 1)
|
|
||||||
return grub_error (GRUB_ERR_NOT_IMPLEMENTED_YET,
|
|
||||||
"Unsupported RAID version: %d",
|
|
||||||
sb->major_version);
|
|
||||||
|
|
||||||
/* Multipath. */
|
|
||||||
if ((int) sb->level == -4)
|
|
||||||
sb->level = 1;
|
|
||||||
|
|
||||||
if (sb->level != 0 && sb->level != 1 && sb->level != 4 &&
|
|
||||||
sb->level != 5 && sb->level != 6 && sb->level != 10)
|
|
||||||
return grub_error (GRUB_ERR_NOT_IMPLEMENTED_YET,
|
|
||||||
"Unsupported RAID level: %d", sb->level);
|
|
||||||
|
|
||||||
/* 1.x superblocks don't have a fixed size on disk. So we have to
|
|
||||||
read it again now that we now the max device count. */
|
|
||||||
sb_size = sizeof (struct grub_raid_super_1x) + 2 * grub_le_to_cpu32 (sb->max_dev);
|
|
||||||
real_sb = grub_malloc (sb_size);
|
|
||||||
if (! real_sb)
|
|
||||||
return grub_errno;
|
|
||||||
|
|
||||||
if (grub_disk_read (disk, sector, 0, sb_size, real_sb))
|
|
||||||
{
|
|
||||||
grub_free (real_sb);
|
|
||||||
return grub_errno;
|
|
||||||
}
|
|
||||||
|
|
||||||
array->name = grub_strdup (real_sb->set_name);
|
|
||||||
if (! array->name)
|
|
||||||
{
|
|
||||||
grub_free (real_sb);
|
|
||||||
return grub_errno;
|
|
||||||
}
|
|
||||||
|
|
||||||
array->number = 0;
|
|
||||||
array->level = grub_le_to_cpu32 (real_sb->level);
|
|
||||||
array->layout = grub_le_to_cpu32 (real_sb->layout);
|
|
||||||
array->total_devs = grub_le_to_cpu32 (real_sb->raid_disks);
|
|
||||||
array->disk_size = grub_le_to_cpu64 (real_sb->size);
|
|
||||||
array->chunk_size = grub_le_to_cpu32 (real_sb->chunksize);
|
|
||||||
if (grub_le_to_cpu32 (real_sb->dev_number) <
|
|
||||||
grub_le_to_cpu32 (real_sb->max_dev))
|
|
||||||
array->index = grub_le_to_cpu16
|
|
||||||
(real_sb->dev_roles[grub_le_to_cpu32 (real_sb->dev_number)]);
|
|
||||||
else
|
|
||||||
array->index = 0xffff; /* disk will be later not used! */
|
|
||||||
array->uuid_len = 16;
|
|
||||||
array->uuid = grub_malloc (16);
|
|
||||||
if (!array->uuid)
|
|
||||||
{
|
|
||||||
grub_free (real_sb);
|
|
||||||
return grub_errno;
|
|
||||||
}
|
|
||||||
|
|
||||||
grub_memcpy (array->uuid, real_sb->set_uuid, 16);
|
|
||||||
|
|
||||||
*start_sector = real_sb->data_offset;
|
|
||||||
|
|
||||||
grub_free (real_sb);
|
|
||||||
return 0;
|
|
||||||
}
|
|
||||||
|
|
||||||
static grub_err_t
|
static grub_err_t
|
||||||
grub_mdraid_detect (grub_disk_t disk, struct grub_raid_array *array,
|
grub_mdraid_detect (grub_disk_t disk, struct grub_raid_array *array,
|
||||||
grub_disk_addr_t *start_sector)
|
grub_disk_addr_t *start_sector)
|
||||||
{
|
{
|
||||||
grub_disk_addr_t sector;
|
grub_disk_addr_t sector;
|
||||||
grub_uint64_t size;
|
grub_uint64_t size;
|
||||||
struct grub_raid_super_09 sb_09;
|
struct grub_raid_super_09 sb;
|
||||||
struct grub_raid_super_1x sb_1x;
|
grub_uint32_t *uuid;
|
||||||
grub_uint8_t minor_version;
|
|
||||||
|
|
||||||
/* The sector where the mdraid 0.90 superblock is stored, if available. */
|
/* The sector where the mdraid 0.90 superblock is stored, if available. */
|
||||||
size = grub_disk_get_size (disk);
|
size = grub_disk_get_size (disk);
|
||||||
sector = NEW_SIZE_SECTORS (size);
|
sector = NEW_SIZE_SECTORS (size);
|
||||||
|
|
||||||
if (grub_disk_read (disk, sector, 0, SB_BYTES, &sb_09))
|
if (grub_disk_read (disk, sector, 0, SB_BYTES, &sb))
|
||||||
return grub_errno;
|
return grub_errno;
|
||||||
|
|
||||||
/* Look whether there is a mdraid 0.90 superblock. */
|
/* Look whether there is a mdraid 0.90 superblock. */
|
||||||
if (sb_09.md_magic == SB_MAGIC)
|
if (sb.md_magic != SB_MAGIC)
|
||||||
return grub_mdraid_detect_09 (sector, &sb_09, array, start_sector);
|
return grub_error (GRUB_ERR_OUT_OF_RANGE, "not 0.9x raid");
|
||||||
|
|
||||||
/* Check for an 1.x superblock.
|
if (sb.major_version != 0 || sb.minor_version != 90)
|
||||||
* It's always aligned to a 4K boundary
|
return grub_error (GRUB_ERR_NOT_IMPLEMENTED_YET,
|
||||||
* and depending on the minor version it can be:
|
"unsupported RAID version: %d.%d",
|
||||||
* 0: At least 8K, but less than 12K, from end of device
|
sb.major_version, sb.minor_version);
|
||||||
* 1: At start of device
|
|
||||||
* 2: 4K from start of device.
|
|
||||||
*/
|
|
||||||
|
|
||||||
for (minor_version = 0; minor_version < 3; ++minor_version)
|
/* FIXME: Check the checksum. */
|
||||||
{
|
|
||||||
switch (minor_version)
|
|
||||||
{
|
|
||||||
case 0:
|
|
||||||
sector = (size - 8 * 2) & ~(4 * 2 - 1);
|
|
||||||
break;
|
|
||||||
case 1:
|
|
||||||
sector = 0;
|
|
||||||
break;
|
|
||||||
case 2:
|
|
||||||
sector = 4 * 2;
|
|
||||||
break;
|
|
||||||
}
|
|
||||||
|
|
||||||
if (grub_disk_read (disk, sector, 0, sizeof (struct grub_raid_super_1x),
|
/* Multipath. */
|
||||||
&sb_1x))
|
if ((int) sb.level == -4)
|
||||||
return grub_errno;
|
sb.level = 1;
|
||||||
|
|
||||||
if (sb_1x.magic == SB_MAGIC)
|
if (sb.level != 0 && sb.level != 1 && sb.level != 4 &&
|
||||||
return grub_mdraid_detect_1x (disk, sector, &sb_1x, array,
|
sb.level != 5 && sb.level != 6 && sb.level != 10)
|
||||||
start_sector);
|
return grub_error (GRUB_ERR_NOT_IMPLEMENTED_YET,
|
||||||
}
|
"unsupported RAID level: %d", sb.level);
|
||||||
|
|
||||||
/* Neither 0.90 nor 1.x. */
|
array->name = NULL;
|
||||||
return grub_error (GRUB_ERR_OUT_OF_RANGE, "not raid");
|
array->number = sb.md_minor;
|
||||||
|
array->level = sb.level;
|
||||||
|
array->layout = sb.layout;
|
||||||
|
array->total_devs = sb.raid_disks;
|
||||||
|
array->disk_size = (sb.size) ? sb.size * 2 : sector;
|
||||||
|
array->chunk_size = sb.chunk_size >> 9;
|
||||||
|
array->index = sb.this_disk.number;
|
||||||
|
array->uuid_len = 16;
|
||||||
|
array->uuid = grub_malloc (16);
|
||||||
|
if (!array->uuid)
|
||||||
|
return grub_errno;
|
||||||
|
|
||||||
|
uuid = (grub_uint32_t *) array->uuid;
|
||||||
|
uuid[0] = sb.set_uuid0;
|
||||||
|
uuid[1] = sb.set_uuid1;
|
||||||
|
uuid[2] = sb.set_uuid2;
|
||||||
|
uuid[3] = sb.set_uuid3;
|
||||||
|
|
||||||
|
*start_sector = 0;
|
||||||
|
|
||||||
|
return 0;
|
||||||
}
|
}
|
||||||
|
|
||||||
static struct grub_raid grub_mdraid_dev = {
|
static struct grub_raid grub_mdraid_dev = {
|
||||||
.name = "mdraid",
|
.name = "mdraid09",
|
||||||
.detect = grub_mdraid_detect,
|
.detect = grub_mdraid_detect,
|
||||||
.next = 0
|
.next = 0
|
||||||
};
|
};
|
||||||
|
|
||||||
GRUB_MOD_INIT (mdraid)
|
GRUB_MOD_INIT (mdraid09)
|
||||||
{
|
{
|
||||||
grub_raid_register (&grub_mdraid_dev);
|
grub_raid_register (&grub_mdraid_dev);
|
||||||
}
|
}
|
||||||
|
|
||||||
GRUB_MOD_FINI (mdraid)
|
GRUB_MOD_FINI (mdraid09)
|
||||||
{
|
{
|
||||||
grub_raid_unregister (&grub_mdraid_dev);
|
grub_raid_unregister (&grub_mdraid_dev);
|
||||||
}
|
}
|
||||||
|
|
|
@ -176,10 +176,12 @@ extern grub_err_t (* EXPORT_VAR(grub_disk_ata_pass_through)) (grub_disk_t,
|
||||||
|
|
||||||
#if defined (GRUB_UTIL) || defined (GRUB_MACHINE_EMU)
|
#if defined (GRUB_UTIL) || defined (GRUB_MACHINE_EMU)
|
||||||
void grub_lvm_init (void);
|
void grub_lvm_init (void);
|
||||||
void grub_mdraid_init (void);
|
void grub_mdraid09_init (void);
|
||||||
|
void grub_mdraid1x_init (void);
|
||||||
void grub_raid_init (void);
|
void grub_raid_init (void);
|
||||||
void grub_lvm_fini (void);
|
void grub_lvm_fini (void);
|
||||||
void grub_mdraid_fini (void);
|
void grub_mdraid09_fini (void);
|
||||||
|
void grub_mdraid1x_fini (void);
|
||||||
void grub_raid_fini (void);
|
void grub_raid_fini (void);
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
|
|
|
@ -296,10 +296,12 @@ fstest (int n, char **args)
|
||||||
}
|
}
|
||||||
|
|
||||||
grub_lvm_fini ();
|
grub_lvm_fini ();
|
||||||
grub_mdraid_fini ();
|
grub_mdraid09_fini ();
|
||||||
|
grub_mdraid1x_fini ();
|
||||||
grub_raid_fini ();
|
grub_raid_fini ();
|
||||||
grub_raid_init ();
|
grub_raid_init ();
|
||||||
grub_mdraid_init ();
|
grub_mdraid09_init ();
|
||||||
|
grub_mdraid1x_init ();
|
||||||
grub_lvm_init ();
|
grub_lvm_init ();
|
||||||
|
|
||||||
switch (cmd)
|
switch (cmd)
|
||||||
|
|
|
@ -391,10 +391,12 @@ main (int argc, char *argv[])
|
||||||
grub_init_all ();
|
grub_init_all ();
|
||||||
|
|
||||||
grub_lvm_fini ();
|
grub_lvm_fini ();
|
||||||
grub_mdraid_fini ();
|
grub_mdraid09_fini ();
|
||||||
|
grub_mdraid1x_fini ();
|
||||||
grub_raid_fini ();
|
grub_raid_fini ();
|
||||||
grub_raid_init ();
|
grub_raid_init ();
|
||||||
grub_mdraid_init ();
|
grub_mdraid09_init ();
|
||||||
|
grub_mdraid1x_init ();
|
||||||
grub_lvm_init ();
|
grub_lvm_init ();
|
||||||
|
|
||||||
/* Do it. */
|
/* Do it. */
|
||||||
|
|
|
@ -849,10 +849,12 @@ main (int argc, char *argv[])
|
||||||
grub_init_all ();
|
grub_init_all ();
|
||||||
|
|
||||||
grub_lvm_fini ();
|
grub_lvm_fini ();
|
||||||
grub_mdraid_fini ();
|
grub_mdraid09_fini ();
|
||||||
|
grub_mdraid1x_fini ();
|
||||||
grub_raid_fini ();
|
grub_raid_fini ();
|
||||||
grub_raid_init ();
|
grub_raid_init ();
|
||||||
grub_mdraid_init ();
|
grub_mdraid09_init ();
|
||||||
|
grub_mdraid1x_init ();
|
||||||
grub_lvm_init ();
|
grub_lvm_init ();
|
||||||
|
|
||||||
dest_dev = get_device_name (arguments.device);
|
dest_dev = get_device_name (arguments.device);
|
||||||
|
|
Loading…
Reference in a new issue