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.
This commit is contained in:
Vladimir 'phcoder' Serbinenko
parent
8a7f9b9c50
commit
076e7c0fda
27 changed files with 4249 additions and 3052 deletions
|
|
@ -22,7 +22,7 @@
|
|||
#include <grub/mm.h>
|
||||
#include <grub/err.h>
|
||||
#include <grub/misc.h>
|
||||
#include <grub/raid.h>
|
||||
#include <grub/diskfilter.h>
|
||||
|
||||
/* Linux RAID on disk structures and constants,
|
||||
copied from include/linux/raid/md_p.h. */
|
||||
|
|
@ -161,8 +161,9 @@ struct grub_raid_super_09
|
|||
struct grub_raid_disk_09 this_disk;
|
||||
} __attribute__ ((packed));
|
||||
|
||||
static grub_err_t
|
||||
grub_mdraid_detect (grub_disk_t disk, struct grub_raid_array *array,
|
||||
static struct grub_diskfilter_vg *
|
||||
grub_mdraid_detect (grub_disk_t disk,
|
||||
struct grub_diskfilter_pv_id *id,
|
||||
grub_disk_addr_t *start_sector)
|
||||
{
|
||||
grub_disk_addr_t sector;
|
||||
|
|
@ -174,22 +175,31 @@ grub_mdraid_detect (grub_disk_t disk, struct grub_raid_array *array,
|
|||
/* The sector where the mdraid 0.90 superblock is stored, if available. */
|
||||
size = grub_disk_get_size (disk);
|
||||
if (size == GRUB_DISK_SIZE_UNKNOWN)
|
||||
return grub_error (GRUB_ERR_OUT_OF_RANGE, "not 0.9x raid");
|
||||
{
|
||||
grub_error (GRUB_ERR_OUT_OF_RANGE, "not 0.9x raid");
|
||||
return NULL;
|
||||
}
|
||||
sector = NEW_SIZE_SECTORS (size);
|
||||
|
||||
if (grub_disk_read (disk, sector, 0, SB_BYTES, &sb))
|
||||
return grub_errno;
|
||||
return NULL;
|
||||
|
||||
/* Look whether there is a mdraid 0.90 superblock. */
|
||||
if (grub_le_to_cpu32 (sb.md_magic) != SB_MAGIC)
|
||||
return grub_error (GRUB_ERR_OUT_OF_RANGE, "not 0.9x raid");
|
||||
{
|
||||
grub_error (GRUB_ERR_OUT_OF_RANGE, "not 0.9x raid");
|
||||
return NULL;
|
||||
}
|
||||
|
||||
if (grub_le_to_cpu32 (sb.major_version) != 0
|
||||
|| grub_le_to_cpu32 (sb.minor_version) != 90)
|
||||
return grub_error (GRUB_ERR_NOT_IMPLEMENTED_YET,
|
||||
"unsupported RAID version: %d.%d",
|
||||
grub_le_to_cpu32 (sb.major_version),
|
||||
grub_le_to_cpu32 (sb.minor_version));
|
||||
{
|
||||
grub_error (GRUB_ERR_NOT_IMPLEMENTED_YET,
|
||||
"unsupported RAID version: %d.%d",
|
||||
grub_le_to_cpu32 (sb.major_version),
|
||||
grub_le_to_cpu32 (sb.minor_version));
|
||||
return NULL;
|
||||
}
|
||||
|
||||
/* FIXME: Check the checksum. */
|
||||
|
||||
|
|
@ -200,26 +210,22 @@ grub_mdraid_detect (grub_disk_t disk, struct grub_raid_array *array,
|
|||
|
||||
if (level != 0 && level != 1 && level != 4 &&
|
||||
level != 5 && level != 6 && level != 10)
|
||||
return grub_error (GRUB_ERR_NOT_IMPLEMENTED_YET,
|
||||
"unsupported RAID level: %d", level);
|
||||
{
|
||||
grub_error (GRUB_ERR_NOT_IMPLEMENTED_YET,
|
||||
"unsupported RAID level: %d", level);
|
||||
return NULL;
|
||||
}
|
||||
if (grub_le_to_cpu32 (sb.this_disk.number) == 0xffff
|
||||
|| grub_le_to_cpu32 (sb.this_disk.number) == 0xfffe)
|
||||
return grub_error (GRUB_ERR_OUT_OF_RANGE,
|
||||
"spares aren't implemented");
|
||||
{
|
||||
grub_error (GRUB_ERR_OUT_OF_RANGE,
|
||||
"spares aren't implemented");
|
||||
return NULL;
|
||||
}
|
||||
|
||||
array->name = NULL;
|
||||
array->number = grub_le_to_cpu32 (sb.md_minor);
|
||||
array->level = level;
|
||||
array->layout = grub_le_to_cpu32 (sb.layout);
|
||||
array->total_devs = grub_le_to_cpu32 (sb.raid_disks);
|
||||
array->disk_size = (sb.size) ? grub_le_to_cpu32 (sb.size) * 2 : sector;
|
||||
array->chunk_size = grub_le_to_cpu32 (sb.chunk_size) >> 9;
|
||||
array->index = grub_le_to_cpu32 (sb.this_disk.number);
|
||||
array->uuid_len = 16;
|
||||
uuid = grub_malloc (16);
|
||||
array->uuid = (char *) uuid;
|
||||
if (!array->uuid)
|
||||
return grub_errno;
|
||||
if (!uuid)
|
||||
return NULL;
|
||||
|
||||
uuid[0] = grub_swap_bytes32 (sb.set_uuid0);
|
||||
uuid[1] = grub_swap_bytes32 (sb.set_uuid1);
|
||||
|
|
@ -228,10 +234,21 @@ grub_mdraid_detect (grub_disk_t disk, struct grub_raid_array *array,
|
|||
|
||||
*start_sector = 0;
|
||||
|
||||
return 0;
|
||||
id->uuidlen = 0;
|
||||
id->id = grub_le_to_cpu32 (sb.this_disk.number);
|
||||
|
||||
char buf[32];
|
||||
grub_snprintf (buf, sizeof (buf), "md%d", grub_le_to_cpu32 (sb.md_minor));
|
||||
return grub_diskfilter_make_raid (16, (char *) uuid,
|
||||
grub_le_to_cpu32 (sb.raid_disks), buf,
|
||||
(sb.size) ? grub_le_to_cpu32 (sb.size) * 2
|
||||
: sector,
|
||||
grub_le_to_cpu32 (sb.chunk_size) >> 9,
|
||||
grub_le_to_cpu32 (sb.layout),
|
||||
level);
|
||||
}
|
||||
|
||||
static struct grub_raid grub_mdraid_dev = {
|
||||
static struct grub_diskfilter grub_mdraid_dev = {
|
||||
.name = "mdraid09",
|
||||
.detect = grub_mdraid_detect,
|
||||
.next = 0
|
||||
|
|
@ -239,10 +256,10 @@ static struct grub_raid grub_mdraid_dev = {
|
|||
|
||||
GRUB_MOD_INIT (mdraid09)
|
||||
{
|
||||
grub_raid_register (&grub_mdraid_dev);
|
||||
grub_diskfilter_register (&grub_mdraid_dev);
|
||||
}
|
||||
|
||||
GRUB_MOD_FINI (mdraid09)
|
||||
{
|
||||
grub_raid_unregister (&grub_mdraid_dev);
|
||||
grub_diskfilter_unregister (&grub_mdraid_dev);
|
||||
}
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue