#define IMSM_RESERVED_SECTORS 4096
#define NUM_BLOCKS_DIRTY_STRIPE_REGION 2056
#define SECT_PER_MB_SHIFT 11
+#define MAX_SECTOR_SIZE 4096
/* Disk configuration info. */
#define IMSM_MAX_DEVICES 255
}
}
-static unsigned int sector_count(__u32 bytes)
+static unsigned int sector_count(__u32 bytes, unsigned int sector_size)
{
- return ROUND_UP(bytes, 512) / 512;
+ return ROUND_UP(bytes, sector_size) / sector_size;
}
-static unsigned int mpb_sectors(struct imsm_super *mpb)
+static unsigned int mpb_sectors(struct imsm_super *mpb,
+ unsigned int sector_size)
{
- return sector_count(__le32_to_cpu(mpb->mpb_size));
+ return sector_count(__le32_to_cpu(mpb->mpb_size), sector_size);
}
struct intel_dev {
return 0;
return join_u32(map->num_data_stripes_lo, map->num_data_stripes_hi);
}
+#endif
static void set_total_blocks(struct imsm_disk *disk, unsigned long long n)
{
split_ull(n, &disk->total_blocks_lo, &disk->total_blocks_hi);
}
-#endif
static void set_pba_of_lba0(struct imsm_map *map, unsigned long long n)
{
static int is_gen_migration(struct imsm_dev *dev);
+#define IMSM_4K_DIV 8
+
#ifndef MDASSEMBLE
static __u64 blocks_per_migr_unit(struct intel_super *super,
struct imsm_dev *dev);
human_size(sz * 512));
}
+void convert_to_4k_imsm_disk(struct imsm_disk *disk)
+{
+ set_total_blocks(disk, (total_blocks(disk)/IMSM_4K_DIV));
+}
+
+void convert_to_4k(struct intel_super *super)
+{
+ struct imsm_super *mpb = super->anchor;
+ struct imsm_disk *disk;
+ int i;
+
+ for (i = 0; i < mpb->num_disks ; i++) {
+ disk = __get_imsm_disk(mpb, i);
+ /* disk */
+ convert_to_4k_imsm_disk(disk);
+ }
+ for (i = 0; i < mpb->num_raid_devs; i++) {
+ struct imsm_dev *dev = __get_imsm_dev(mpb, i);
+ struct imsm_map *map = get_imsm_map(dev, MAP_0);
+ /* dev */
+ split_ull((join_u32(dev->size_low, dev->size_high)/IMSM_4K_DIV),
+ &dev->size_low, &dev->size_high);
+ dev->vol.curr_migr_unit /= IMSM_4K_DIV;
+
+ /* map0 */
+ set_blocks_per_member(map, blocks_per_member(map)/IMSM_4K_DIV);
+ map->blocks_per_strip /= IMSM_4K_DIV;
+ set_pba_of_lba0(map, pba_of_lba0(map)/IMSM_4K_DIV);
+
+ if (dev->vol.migr_state) {
+ /* map1 */
+ map = get_imsm_map(dev, MAP_1);
+ set_blocks_per_member(map,
+ blocks_per_member(map)/IMSM_4K_DIV);
+ map->blocks_per_strip /= IMSM_4K_DIV;
+ set_pba_of_lba0(map, pba_of_lba0(map)/IMSM_4K_DIV);
+ }
+ }
+
+ mpb->check_sum = __gen_imsm_checksum(mpb);
+}
+
void examine_migr_rec_imsm(struct intel_super *super)
{
struct migr_record *migr_rec = super->migr_rec;
}
}
#endif /* MDASSEMBLE */
+
+void convert_from_4k(struct intel_super *super)
+{
+ struct imsm_super *mpb = super->anchor;
+ struct imsm_disk *disk;
+ int i;
+
+ for (i = 0; i < mpb->num_disks ; i++) {
+ disk = __get_imsm_disk(mpb, i);
+ /* disk */
+ set_total_blocks(disk, (total_blocks(disk)*IMSM_4K_DIV));
+ }
+
+ for (i = 0; i < mpb->num_raid_devs; i++) {
+ struct imsm_dev *dev = __get_imsm_dev(mpb, i);
+ struct imsm_map *map = get_imsm_map(dev, MAP_0);
+ /* dev */
+ split_ull((join_u32(dev->size_low, dev->size_high)*IMSM_4K_DIV),
+ &dev->size_low, &dev->size_high);
+ dev->vol.curr_migr_unit *= IMSM_4K_DIV;
+
+ /* map0 */
+ set_blocks_per_member(map, blocks_per_member(map)*IMSM_4K_DIV);
+ map->blocks_per_strip *= IMSM_4K_DIV;
+ set_pba_of_lba0(map, pba_of_lba0(map)*IMSM_4K_DIV);
+
+ if (dev->vol.migr_state) {
+ /* map1 */
+ map = get_imsm_map(dev, MAP_1);
+ set_blocks_per_member(map,
+ blocks_per_member(map)*IMSM_4K_DIV);
+ map->blocks_per_strip *= IMSM_4K_DIV;
+ set_pba_of_lba0(map, pba_of_lba0(map)*IMSM_4K_DIV);
+ }
+ }
+
+ mpb->check_sum = __gen_imsm_checksum(mpb);
+}
+
/*******************************************************************************
* function: imsm_check_attributes
* Description: Function checks if features represented by attributes flags
sum = __le32_to_cpu(mpb->check_sum);
printf(" Checksum : %08x %s\n", sum,
__gen_imsm_checksum(mpb) == sum ? "correct" : "incorrect");
- printf(" MPB Sectors : %d\n", mpb_sectors(mpb));
+ printf(" MPB Sectors : %d\n", mpb_sectors(mpb, super->sector_size));
printf(" Disks : %d\n", mpb->num_disks);
printf(" RAID Devices : %d\n", mpb->num_raid_devs);
print_imsm_disk(__get_imsm_disk(mpb, super->disks->index), super->disks->index, reserved);
static int copy_metadata_imsm(struct supertype *st, int from, int to)
{
- /* The second last 512byte sector of the device contains
+ /* The second last sector of the device contains
* the "struct imsm_super" metadata.
* This contains mpb_size which is the size in bytes of the
* extended metadata. This is located immediately before
unsigned long long dsize, offset;
int sectors;
struct imsm_super *sb;
- int written = 0;
+ struct intel_super *super = st->sb;
+ unsigned int sector_size = super->sector_size;
+ unsigned int written = 0;
if (posix_memalign(&buf, 4096, 4096) != 0)
return 1;
if (!get_dev_size(from, NULL, &dsize))
goto err;
- if (lseek64(from, dsize-1024, 0) < 0)
+ if (lseek64(from, dsize-(2*sector_size), 0) < 0)
goto err;
- if (read(from, buf, 512) != 512)
+ if (read(from, buf, sector_size) != sector_size)
goto err;
sb = buf;
if (strncmp((char*)sb->sig, MPB_SIGNATURE, MPB_SIG_LEN) != 0)
goto err;
- sectors = mpb_sectors(sb) + 2;
- offset = dsize - sectors * 512;
+ sectors = mpb_sectors(sb, sector_size) + 2;
+ offset = dsize - sectors * sector_size;
if (lseek64(from, offset, 0) < 0 ||
lseek64(to, offset, 0) < 0)
goto err;
- while (written < sectors * 512) {
- int n = sectors*512 - written;
+ while (written < sectors * sector_size) {
+ int n = sectors*sector_size - written;
if (n > 4096)
n = 4096;
if (read(from, buf, n) != n)
}
static unsigned long long imsm_component_size_aligment_check(int level,
int chunk_size,
+ unsigned int sector_size,
unsigned long long component_size)
{
unsigned int component_size_alligment;
/* check component size aligment
*/
- component_size_alligment = component_size % (chunk_size/512);
+ component_size_alligment = component_size % (chunk_size/sector_size);
dprintf("(Level: %i, chunk_size = %i, component_size = %llu), component_size_alligment = %u\n",
level, chunk_size, component_size,
info->component_size = imsm_component_size_aligment_check(
info->array.level,
info->array.chunk_size,
+ super->sector_size,
info->component_size);
memset(info->uuid, 0, sizeof(info->uuid));
if (__le32_to_cpu(mpb->mpb_size) + space_needed > super->len) {
void *buf;
- len = ROUND_UP(__le32_to_cpu(mpb->mpb_size) + space_needed, 512);
- if (posix_memalign(&buf, 512, len) != 0)
+ len = ROUND_UP(__le32_to_cpu(mpb->mpb_size) + space_needed,
+ super->sector_size);
+ if (posix_memalign(&buf, MAX_SECTOR_SIZE, len) != 0)
return 1;
memcpy(buf, super->buf, super->len);
{
unsigned long long dsize;
unsigned long long sectors;
+ unsigned int sector_size = super->sector_size;
struct stat;
struct imsm_super *anchor;
__u32 check_sum;
get_dev_size(fd, NULL, &dsize);
- if (dsize < 1024) {
+ if (dsize < 2*sector_size) {
if (devname)
pr_err("%s: device to small for imsm\n",
devname);
return 1;
}
- if (lseek64(fd, dsize - (512 * 2), SEEK_SET) < 0) {
+ if (lseek64(fd, dsize - (sector_size * 2), SEEK_SET) < 0) {
if (devname)
pr_err("Cannot seek to anchor block on %s: %s\n",
devname, strerror(errno));
return 1;
}
- if (posix_memalign((void**)&anchor, 512, 512) != 0) {
+ if (posix_memalign((void **)&anchor, sector_size, sector_size) != 0) {
if (devname)
pr_err("Failed to allocate imsm anchor buffer on %s\n", devname);
return 1;
}
- if (read(fd, anchor, 512) != 512) {
+ if (read(fd, anchor, sector_size) != sector_size) {
if (devname)
pr_err("Cannot read anchor block on %s: %s\n",
devname, strerror(errno));
/* capability and hba must be updated with new super allocation */
find_intel_hba_capability(fd, super, devname);
- super->len = ROUND_UP(anchor->mpb_size, 512);
- if (posix_memalign(&super->buf, 512, super->len) != 0) {
+ super->len = ROUND_UP(anchor->mpb_size, sector_size);
+ if (posix_memalign(&super->buf, MAX_SECTOR_SIZE, super->len) != 0) {
if (devname)
pr_err("unable to allocate %zu byte mpb buffer\n",
super->len);
free(anchor);
return 2;
}
- memcpy(super->buf, anchor, 512);
+ memcpy(super->buf, anchor, sector_size);
- sectors = mpb_sectors(anchor) - 1;
+ sectors = mpb_sectors(anchor, sector_size) - 1;
free(anchor);
if (posix_memalign(&super->migr_rec_buf, 512, MIGR_REC_BUF_SIZE) != 0) {
}
/* read the extended mpb */
- if (lseek64(fd, dsize - (512 * (2 + sectors)), SEEK_SET) < 0) {
+ if (lseek64(fd, dsize - (sector_size * (2 + sectors)), SEEK_SET) < 0) {
if (devname)
pr_err("Cannot seek to extended mpb on %s: %s\n",
devname, strerror(errno));
return 1;
}
- if ((unsigned)read(fd, super->buf + 512, super->len - 512) != super->len - 512) {
+ if ((unsigned int)read(fd, super->buf + sector_size,
+ super->len - sector_size) != super->len - sector_size) {
if (devname)
pr_err("Cannot read extended mpb on %s: %s\n",
devname, strerror(errno));
err = load_imsm_mpb(fd, super, devname);
if (err)
return err;
+ if (super->sector_size == 4096)
+ convert_from_4k(super);
err = load_imsm_disk(fd, super, devname, keep_fd);
if (err)
return err;
* so st->sb is already set.
*/
struct intel_super *super = st->sb;
+ unsigned int sector_size = super->sector_size;
struct imsm_super *mpb = super->anchor;
struct intel_dev *dv;
struct imsm_dev *dev;
size_new = disks_to_mpb_size(info->nr_disks);
if (size_new > size_old) {
void *mpb_new;
- size_t size_round = ROUND_UP(size_new, 512);
+ size_t size_round = ROUND_UP(size_new, sector_size);
- if (posix_memalign(&mpb_new, 512, size_round) != 0) {
+ if (posix_memalign(&mpb_new, sector_size, size_round) != 0) {
pr_err("could not allocate new mpb\n");
return 0;
}
if (info)
mpb_size = disks_to_mpb_size(info->nr_disks);
else
- mpb_size = 512;
+ mpb_size = MAX_SECTOR_SIZE;
super = alloc_super();
- if (super && posix_memalign(&super->buf, 512, mpb_size) != 0) {
+ if (super &&
+ posix_memalign(&super->buf, MAX_SECTOR_SIZE, mpb_size) != 0) {
free(super);
super = NULL;
}
static int store_imsm_mpb(int fd, struct imsm_super *mpb);
static union {
- char buf[512];
+ char buf[MAX_SECTOR_SIZE];
struct imsm_super anchor;
-} spare_record __attribute__ ((aligned(512)));
+} spare_record __attribute__ ((aligned(MAX_SECTOR_SIZE)));
/* spare records have their own family number and do not have any defined raid
* devices
if (__le32_to_cpu(d->disk.total_blocks_hi) > 0)
spare->attributes |= MPB_ATTRIB_2TB_DISK;
+ if (super->sector_size == 4096)
+ convert_to_4k_imsm_disk(&spare->disk[0]);
+
sum = __gen_imsm_checksum(spare);
spare->family_num = __cpu_to_le32(sum);
spare->orig_family_num = 0;
static int write_super_imsm(struct supertype *st, int doclose)
{
struct intel_super *super = st->sb;
+ unsigned int sector_size = super->sector_size;
struct imsm_super *mpb = super->anchor;
struct dl *d;
__u32 generation;
if (clear_migration_record)
memset(super->migr_rec_buf, 0, MIGR_REC_BUF_SIZE);
+ if (sector_size == 4096)
+ convert_to_4k(super);
+
/* write the mpb for disks that compose raid devices */
for (d = super->disks; d ; d = d->next) {
if (d->index < 0 || is_failed(&d->disk))
return 1;
#ifndef MDASSEMBLE
+ if (super->sector_size == 4096)
+ convert_to_4k(super);
return store_imsm_mpb(fd, mpb);
#else
return 1;
__u32 mpb_size = __le32_to_cpu(mpb->mpb_size);
unsigned long long dsize;
unsigned long long sectors;
+ unsigned int sector_size;
+ get_dev_sector_size(fd, NULL, §or_size);
get_dev_size(fd, NULL, &dsize);
- if (mpb_size > 512) {
+ if (mpb_size > sector_size) {
/* -1 to account for anchor */
- sectors = mpb_sectors(mpb) - 1;
+ sectors = mpb_sectors(mpb, sector_size) - 1;
/* write the extended mpb to the sectors preceeding the anchor */
- if (lseek64(fd, dsize - (512 * (2 + sectors)), SEEK_SET) < 0)
+ if (lseek64(fd, dsize - (sector_size * (2 + sectors)),
+ SEEK_SET) < 0)
return 1;
- if ((unsigned long long)write(fd, buf + 512, 512 * sectors)
- != 512 * sectors)
+ if ((unsigned long long)write(fd, buf + sector_size,
+ sector_size * sectors) != sector_size * sectors)
return 1;
}
/* first block is stored on second to last sector of the disk */
- if (lseek64(fd, dsize - (512 * 2), SEEK_SET) < 0)
+ if (lseek64(fd, dsize - (sector_size * 2), SEEK_SET) < 0)
return 1;
- if (write(fd, buf, 512) != 512)
+ if (write(fd, buf, sector_size) != sector_size)
return 1;
return 0;
*/
enum imsm_update_type type;
struct intel_super *super = st->sb;
+ unsigned int sector_size = super->sector_size;
struct imsm_super *mpb = super->anchor;
size_t buf_len;
size_t len = 0;
* if this allocation fails process_update will notice that
* ->next_len is set and ->next_buf is NULL
*/
- buf_len = ROUND_UP(__le32_to_cpu(mpb->mpb_size) + len, 512);
+ buf_len = ROUND_UP(__le32_to_cpu(mpb->mpb_size) + len,
+ sector_size);
if (super->next_buf)
free(super->next_buf);
super->next_len = buf_len;
- if (posix_memalign(&super->next_buf, 512, buf_len) == 0)
+ if (posix_memalign(&super->next_buf, sector_size, buf_len) == 0)
memset(super->next_buf, 0, buf_len);
else
super->next_buf = NULL;
int new_disks, i, err;
char *buf = NULL;
int retval = 1;
+ unsigned int sector_size = super->sector_size;
unsigned long curr_migr_unit = __le32_to_cpu(migr_rec->curr_migr_unit);
unsigned long num_migr_units = __le32_to_cpu(migr_rec->num_migr_units);
char buffer[20];
pba_of_lba0(map_dest)) * 512;
unit_len = __le32_to_cpu(migr_rec->dest_depth_per_unit) * 512;
- if (posix_memalign((void **)&buf, 512, unit_len) != 0)
+ if (posix_memalign((void **)&buf, sector_size, unit_len) != 0)
goto abort;
targets = xcalloc(new_disks, sizeof(int));
*/
geo->size = imsm_component_size_aligment_check(
get_imsm_raid_level(dev->vol.map),
- chunk * 1024,
+ chunk * 1024, super->sector_size,
geo->size * 2);
if (geo->size == 0) {
pr_err("Error. Size expansion is supported only (current size is %llu, requested size /rounded/ is 0).\n",
*/
max_size = imsm_component_size_aligment_check(
get_imsm_raid_level(dev->vol.map),
- chunk * 1024,
+ chunk * 1024, super->sector_size,
max_size);
}
if (geo->size == MAX_SIZE) {
projects / thirdparty / mdadm.git / commitdiff
