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luks grub-probe support

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This commit is contained in:
Vladimir 'phcoder' Serbinenko 2011-04-22 23:39:36 +02:00
parent fe32915a5e
commit 50ad7d9cae
5 changed files with 116 additions and 84 deletions
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136
util/grub-probe.c
View file

@ -34,6 +34,7 @@
#include <grub/env.h>
#include <grub/raid.h>
#include <grub/i18n.h>
#include <grub/crypto.h>
#include <stdio.h>
#include <unistd.h>
@ -63,15 +64,28 @@ static void
probe_partmap (grub_disk_t disk)
{
grub_partition_t part;
grub_disk_memberlist_t list = NULL, tmp;
if (disk->partition == NULL)
{
grub_util_info ("no partition map found for %s", disk->name);
return;
}
for (part = disk->partition; part; part = part->parent)
printf ("%s\n", part->partmap->name);
printf ("%s ", part->partmap->name);
/* In case of LVM/RAID, check the member devices as well. */
if (disk->dev->memberlist)
{
list = disk->dev->memberlist (disk);
}
while (list)
{
probe_partmap (list->disk);
tmp = list->next;
free (list);
list = tmp;
}
}
static int
@ -88,6 +102,45 @@ probe_raid_level (grub_disk_t disk)
return ((struct grub_raid_array *) disk->data)->level;
}
static void
probe_abstraction (grub_disk_t disk)
{
grub_disk_memberlist_t list = NULL, tmp;
int raid_level;
if (disk->dev->memberlist)
list = disk->dev->memberlist (disk);
while (list)
{
probe_abstraction (list->disk);
tmp = list->next;
free (list);
list = tmp;
}
if (disk->dev->id == GRUB_DISK_DEVICE_LVM_ID)
printf ("lvm ");
if (disk->dev->id == GRUB_DISK_DEVICE_LUKS_ID)
{
printf ("luks ");
grub_util_luks_print_ciphers (disk);
}
raid_level = probe_raid_level (disk);
if (raid_level >= 0)
{
printf ("raid ");
if (disk->dev->raidname)
printf ("%s ", disk->dev->raidname (disk));
}
if (raid_level == 5)
printf ("raid5rec ");
if (raid_level == 6)
printf ("raid6rec ");
}
static void
probe (const char *path, char *device_name)
{
@ -136,91 +189,16 @@ probe (const char *path, char *device_name)
if (print == PRINT_ABSTRACTION)
{
grub_disk_memberlist_t list = NULL, tmp;
const int is_lvm = (dev->disk->dev->id == GRUB_DISK_DEVICE_LVM_ID);
int is_raid = 0;
int is_raid5 = 0;
int is_raid6 = 0;
int raid_level;
grub_disk_t raid_disk;
raid_level = probe_raid_level (dev->disk);
if (raid_level >= 0)
{
is_raid = 1;
is_raid5 |= (raid_level == 5);
is_raid6 |= (raid_level == 6);
raid_disk = dev->disk;
}
if ((is_lvm) && (dev->disk->dev->memberlist))
list = dev->disk->dev->memberlist (dev->disk);
while (list)
{
raid_level = probe_raid_level (list->disk);
if (raid_level >= 0)
{
is_raid = 1;
is_raid5 |= (raid_level == 5);
is_raid6 |= (raid_level == 6);
raid_disk = list->disk;
}
tmp = list->next;
free (list);
list = tmp;
}
if (is_raid)
{
printf ("raid ");
if (is_raid5)
printf ("raid5rec ");
if (is_raid6)
printf ("raid6rec ");
if (raid_disk->dev->raidname)
printf ("%s ", raid_disk->dev->raidname (raid_disk));
}
if (is_lvm)
printf ("lvm ");
probe_abstraction (dev->disk);
printf ("\n");
goto end;
}
if (print == PRINT_PARTMAP)
{
grub_disk_memberlist_t list = NULL, tmp;
/* Check if dev->disk itself is contained in a partmap. */
probe_partmap (dev->disk);
/* In case of LVM/RAID, check the member devices as well. */
if (dev->disk->dev->memberlist)
list = dev->disk->dev->memberlist (dev->disk);
while (list)
{
probe_partmap (list->disk);
/* LVM on RAID */
if (list->disk->dev->memberlist)
{
grub_disk_memberlist_t sub_list;
sub_list = list->disk->dev->memberlist (list->disk);
while (sub_list)
{
probe_partmap (sub_list->disk);
tmp = sub_list->next;
free (sub_list);
sub_list = tmp;
}
}
tmp = list->next;
free (list);
list = tmp;
}
printf ("\n");
goto end;
}