Commit b2582b84 authored by Vladimir 'phcoder' Serbinenko's avatar Vladimir 'phcoder' Serbinenko
Browse files

* grub-core/disk/dmraid_nvidia.c (grub_dmraid_nv_detect): Remove useless

	grub_errors.
	* grub-core/disk/mdraid1x_linux.c (grub_mdraid_detect): Simplify by
	not reloading whole superblock but only the part which is really needed.
	Remove useless grub_errors.
	* grub-core/disk/mdraid_linux.c (grub_mdraid_detect): Remove useless
	grub_errors.
parent e2a83395
2012-02-26 Vladimir Serbinenko <phcoder@gmail.com>
* grub-core/disk/dmraid_nvidia.c (grub_dmraid_nv_detect): Remove useless
grub_errors.
* grub-core/disk/mdraid1x_linux.c (grub_mdraid_detect): Simplify by
not reloading whole superblock but only the part which is really needed.
Remove useless grub_errors.
* grub-core/disk/mdraid_linux.c (grub_mdraid_detect): Remove useless
grub_errors.
2012-02-26 Vladimir Serbinenko <phcoder@gmail.com>
 
Don't export grub_get_rtc.
......@@ -103,26 +103,20 @@ grub_dmraid_nv_detect (grub_disk_t disk,
char *uuid;
if (disk->partition)
{
grub_error (GRUB_ERR_OUT_OF_RANGE, "skip partition");
return NULL;
}
/* Skip partition. */
return NULL;
sector = grub_disk_get_size (disk);
if (sector == GRUB_DISK_SIZE_UNKNOWN)
{
grub_error (GRUB_ERR_OUT_OF_RANGE, "not raid");
return NULL;
}
/* Not raid. */
return NULL;
sector -= 2;
if (grub_disk_read (disk, sector, 0, sizeof (sb), &sb))
return NULL;
if (grub_memcmp (sb.vendor, NV_ID_STRING, 6))
{
grub_error (GRUB_ERR_OUT_OF_RANGE, "not raid");
return NULL;
}
/* Not raid. */
return NULL;
if (sb.version != NV_VERSION)
{
......
......@@ -108,9 +108,7 @@ grub_mdraid_detect (grub_disk_t disk,
struct grub_diskfilter_pv_id *id,
grub_disk_addr_t *start_sector)
{
grub_disk_addr_t sector = 0;
grub_uint64_t size;
struct grub_raid_super_1x sb;
grub_uint8_t minor_version;
size = grub_disk_get_size (disk);
......@@ -125,6 +123,13 @@ grub_mdraid_detect (grub_disk_t disk,
for (minor_version = 0; minor_version < 3; ++minor_version)
{
grub_disk_addr_t sector = 0;
struct grub_raid_super_1x sb;
grub_uint16_t role;
grub_uint32_t level;
struct grub_diskfilter_vg *array;
char *uuid;
if (size == GRUB_DISK_SIZE_UNKNOWN && minor_version == 0)
continue;
......@@ -145,101 +150,69 @@ grub_mdraid_detect (grub_disk_t disk,
&sb))
return NULL;
if (grub_le_to_cpu32 (sb.magic) != SB_MAGIC
if (sb.magic != grub_cpu_to_le32_compile_time (SB_MAGIC)
|| grub_le_to_cpu64 (sb.super_offset) != sector)
continue;
{
grub_uint64_t sb_size;
struct grub_raid_super_1x *real_sb;
grub_uint32_t level;
if (grub_le_to_cpu32 (sb.major_version) != 1)
{
grub_error (GRUB_ERR_NOT_IMPLEMENTED_YET,
"Unsupported RAID version: %d",
grub_le_to_cpu32 (sb.major_version));
return NULL;
}
level = grub_le_to_cpu32 (sb.level);
/* Multipath. */
if ((int) level == -4)
level = 1;
if (level != 0 && level != 1 && level != 4 &&
level != 5 && level != 6 && level != 10)
{
grub_error (GRUB_ERR_NOT_IMPLEMENTED_YET,
"Unsupported RAID level: %d", sb.level);
return NULL;
}
/* 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)
if (sb.major_version != grub_cpu_to_le32_compile_time (1))
/* Unsupported version. */
return NULL;
level = grub_le_to_cpu32 (sb.level);
/* Multipath. */
if ((int) level == -4)
level = 1;
if (level != 0 && level != 1 && level != 4 &&
level != 5 && level != 6 && level != 10)
{
grub_error (GRUB_ERR_NOT_IMPLEMENTED_YET,
"Unsupported RAID level: %d", sb.level);
return NULL;
}
if (grub_le_to_cpu32 (sb.dev_number) >=
grub_le_to_cpu32 (sb.max_dev))
/* Spares aren't implemented. */
return NULL;
if (grub_le_to_cpu32 (sb.dev_number)
>= grub_le_to_cpu32 (sb.raid_disks))
/* Spares aren't implemented. */
return NULL;
if (grub_disk_read (disk, sector,
(char *) &sb.dev_roles[sb.dev_number]
- (char *) &sb,
sizeof (role), &role))
return NULL;
id->uuidlen = 0;
id->id = grub_le_to_cpu16 (role);
uuid = grub_malloc (16);
if (!uuid)
return NULL;
grub_memcpy (uuid, sb.set_uuid, 16);
*start_sector = grub_le_to_cpu64 (sb.data_offset);
array = grub_diskfilter_make_raid (16, uuid,
grub_le_to_cpu32 (sb.raid_disks),
sb.set_name,
(sb.size)
? grub_le_to_cpu64 (sb.size)
: grub_le_to_cpu64 (sb.data_size),
grub_le_to_cpu32 (sb.chunksize),
grub_le_to_cpu32 (sb.layout),
grub_le_to_cpu32 (sb.level));
if (grub_disk_read (disk, sector, 0, sb_size, real_sb))
{
grub_free (real_sb);
return NULL;
}
struct grub_diskfilter_vg *array;
char *uuid;
if (grub_le_to_cpu32 (real_sb->dev_number) >=
grub_le_to_cpu32 (real_sb->max_dev))
{
grub_error (GRUB_ERR_OUT_OF_RANGE,
"spares aren't implemented");
return NULL;
}
id->uuidlen = 0;
id->id = grub_le_to_cpu16
(real_sb->dev_roles[grub_le_to_cpu32 (real_sb->dev_number)]);
uuid = grub_malloc (16);
if (!uuid)
{
grub_free (real_sb);
return NULL;
}
grub_memcpy (uuid, real_sb->set_uuid, 16);
*start_sector = grub_le_to_cpu64 (real_sb->data_offset);
if (grub_le_to_cpu32 (real_sb->dev_number)
>= grub_le_to_cpu32 (real_sb->raid_disks))
{
grub_error (GRUB_ERR_OUT_OF_RANGE,
"spares aren't implemented");
return NULL;
}
array = grub_diskfilter_make_raid (16, uuid,
grub_le_to_cpu32 (real_sb->raid_disks),
real_sb->set_name,
(real_sb->size)
? grub_le_to_cpu64 (real_sb->size)
: grub_le_to_cpu64 (real_sb->data_size),
grub_le_to_cpu32 (real_sb->chunksize),
grub_le_to_cpu32 (real_sb->layout),
grub_le_to_cpu32 (real_sb->level));
grub_free (real_sb);
return array;
}
return array;
}
grub_error (GRUB_ERR_OUT_OF_RANGE, "not 1.x raid");
/* not 1.x raid. */
return NULL;
}
......
......@@ -175,31 +175,22 @@ grub_mdraid_detect (grub_disk_t disk,
/* The sector where the mdraid 0.90 superblock is stored, if available. */
size = grub_disk_get_size (disk);
if (size == GRUB_DISK_SIZE_UNKNOWN)
{
grub_error (GRUB_ERR_OUT_OF_RANGE, "not 0.9x raid");
return NULL;
}
/* not 0.9x raid. */
return NULL;
sector = NEW_SIZE_SECTORS (size);
if (grub_disk_read (disk, sector, 0, SB_BYTES, &sb))
return NULL;
/* Look whether there is a mdraid 0.90 superblock. */
if (grub_le_to_cpu32 (sb.md_magic) != SB_MAGIC)
{
grub_error (GRUB_ERR_OUT_OF_RANGE, "not 0.9x raid");
return NULL;
}
if (sb.md_magic != grub_cpu_to_le32_compile_time (SB_MAGIC))
/* not 0.9x raid. */
return NULL;
if (grub_le_to_cpu32 (sb.major_version) != 0
|| grub_le_to_cpu32 (sb.minor_version) != 90)
{
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;
}
if (sb.major_version != grub_cpu_to_le32_compile_time (0)
|| sb.minor_version != grub_cpu_to_le32_compile_time (90))
/* Unsupported version. */
return NULL;
/* FIXME: Check the checksum. */
......@@ -217,11 +208,8 @@ grub_mdraid_detect (grub_disk_t disk,
}
if (grub_le_to_cpu32 (sb.this_disk.number) == 0xffff
|| grub_le_to_cpu32 (sb.this_disk.number) == 0xfffe)
{
grub_error (GRUB_ERR_OUT_OF_RANGE,
"spares aren't implemented");
return NULL;
}
/* Spares aren't implemented. */
return NULL;
uuid = grub_malloc (16);
if (!uuid)
......
Supports Markdown
0% or .
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment