}
-static int attach_hba_to_super(struct intel_super *super, struct sys_dev *device,
- const char *devname)
+static int attach_hba_to_super(struct intel_super *super, struct sys_dev *device)
{
struct intel_hba *hba;
return host_base;
}
+static void print_imsm_capability(const struct imsm_orom *orom)
+{
+ printf(" Platform : Intel(R) Matrix Storage Manager\n");
+ printf(" Version : %d.%d.%d.%d\n", orom->major_ver, orom->minor_ver,
+ orom->hotfix_ver, orom->build);
+ printf(" RAID Levels :%s%s%s%s%s\n",
+ imsm_orom_has_raid0(orom) ? " raid0" : "",
+ imsm_orom_has_raid1(orom) ? " raid1" : "",
+ imsm_orom_has_raid1e(orom) ? " raid1e" : "",
+ imsm_orom_has_raid10(orom) ? " raid10" : "",
+ imsm_orom_has_raid5(orom) ? " raid5" : "");
+ printf(" Chunk Sizes :%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s\n",
+ imsm_orom_has_chunk(orom, 2) ? " 2k" : "",
+ imsm_orom_has_chunk(orom, 4) ? " 4k" : "",
+ imsm_orom_has_chunk(orom, 8) ? " 8k" : "",
+ imsm_orom_has_chunk(orom, 16) ? " 16k" : "",
+ imsm_orom_has_chunk(orom, 32) ? " 32k" : "",
+ imsm_orom_has_chunk(orom, 64) ? " 64k" : "",
+ imsm_orom_has_chunk(orom, 128) ? " 128k" : "",
+ imsm_orom_has_chunk(orom, 256) ? " 256k" : "",
+ imsm_orom_has_chunk(orom, 512) ? " 512k" : "",
+ imsm_orom_has_chunk(orom, 1024*1) ? " 1M" : "",
+ imsm_orom_has_chunk(orom, 1024*2) ? " 2M" : "",
+ imsm_orom_has_chunk(orom, 1024*4) ? " 4M" : "",
+ imsm_orom_has_chunk(orom, 1024*8) ? " 8M" : "",
+ imsm_orom_has_chunk(orom, 1024*16) ? " 16M" : "",
+ imsm_orom_has_chunk(orom, 1024*32) ? " 32M" : "",
+ imsm_orom_has_chunk(orom, 1024*64) ? " 64M" : "");
+ printf(" Max Disks : %d\n", orom->tds);
+ printf(" Max Volumes : %d\n", orom->vpa);
+ return;
+}
+
static int detail_platform_imsm(int verbose, int enumerate_only)
{
/* There are two components to imsm platform support, the ahci SATA
int result=0;
if (enumerate_only) {
- if (check_env("IMSM_NO_PLATFORM") || find_imsm_orom())
+ if (check_env("IMSM_NO_PLATFORM"))
return 0;
- return 2;
+ list = find_intel_devices();
+ if (!list)
+ return 2;
+ for (hba = list; hba; hba = hba->next) {
+ orom = find_imsm_capability(hba->type);
+ if (!orom) {
+ result = 2;
+ break;
+ }
+ }
+ free_sys_dev(&list);
+ return result;
}
list = find_intel_devices();
} else if (verbose)
print_found_intel_controllers(list);
- orom = find_imsm_orom();
- if (!orom) {
- free_sys_dev(&list);
- if (verbose)
- fprintf(stderr, Name ": imsm option-rom not found\n");
- return 2;
+ for (hba = list; hba; hba = hba->next) {
+ orom = find_imsm_capability(hba->type);
+ if (!orom)
+ fprintf(stderr, Name ": imsm capabilities not found for controller: %s (type %s)\n",
+ hba->path, get_sys_dev_type(hba->type));
+ else
+ print_imsm_capability(orom);
}
- printf(" Platform : Intel(R) Matrix Storage Manager\n");
- printf(" Version : %d.%d.%d.%d\n", orom->major_ver, orom->minor_ver,
- orom->hotfix_ver, orom->build);
- printf(" RAID Levels :%s%s%s%s%s\n",
- imsm_orom_has_raid0(orom) ? " raid0" : "",
- imsm_orom_has_raid1(orom) ? " raid1" : "",
- imsm_orom_has_raid1e(orom) ? " raid1e" : "",
- imsm_orom_has_raid10(orom) ? " raid10" : "",
- imsm_orom_has_raid5(orom) ? " raid5" : "");
- printf(" Chunk Sizes :%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s\n",
- imsm_orom_has_chunk(orom, 2) ? " 2k" : "",
- imsm_orom_has_chunk(orom, 4) ? " 4k" : "",
- imsm_orom_has_chunk(orom, 8) ? " 8k" : "",
- imsm_orom_has_chunk(orom, 16) ? " 16k" : "",
- imsm_orom_has_chunk(orom, 32) ? " 32k" : "",
- imsm_orom_has_chunk(orom, 64) ? " 64k" : "",
- imsm_orom_has_chunk(orom, 128) ? " 128k" : "",
- imsm_orom_has_chunk(orom, 256) ? " 256k" : "",
- imsm_orom_has_chunk(orom, 512) ? " 512k" : "",
- imsm_orom_has_chunk(orom, 1024*1) ? " 1M" : "",
- imsm_orom_has_chunk(orom, 1024*2) ? " 2M" : "",
- imsm_orom_has_chunk(orom, 1024*4) ? " 4M" : "",
- imsm_orom_has_chunk(orom, 1024*8) ? " 8M" : "",
- imsm_orom_has_chunk(orom, 1024*16) ? " 16M" : "",
- imsm_orom_has_chunk(orom, 1024*32) ? " 32M" : "",
- imsm_orom_has_chunk(orom, 1024*64) ? " 64M" : "");
- printf(" Max Disks : %d\n", orom->tds);
- printf(" Max Volumes : %d\n", orom->vpa);
-
for (hba = list; hba; hba = hba->next) {
printf(" I/O Controller : %s (%s)\n",
hba->path, get_sys_dev_type(hba->type));
"ports on SATA controller at %s.", hba->pci_id);
result |= 2;
}
- } else if (hba->type == SYS_DEV_SAS) {
- if (verbose)
- fprintf(stderr, Name ": failed to enumerate "
- "devices on SAS controller at %s.", hba->pci_id);
- result |= 2;
}
}
migr_chunk = migr_strip_blocks_resync(dev);
disks = imsm_num_data_members(dev, 0);
blocks_per_unit = stripes_per_unit * migr_chunk * disks;
+ if (migr_type(dev) == MIGR_GEN_MIGR)
+ return blocks_per_unit;
stripe = __le32_to_cpu(map->blocks_per_strip) * disks;
segment = blocks_per_unit / stripe;
block_rel = blocks_per_unit - segment * stripe;
info->custom_array_size = __le32_to_cpu(dev->size_high);
info->custom_array_size <<= 32;
info->custom_array_size |= __le32_to_cpu(dev->size_low);
- if (prev_map) {
+ if (prev_map && map->map_state == prev_map->map_state) {
+ info->reshape_active = 1;
info->new_level = get_imsm_raid_level(map);
info->new_layout = imsm_level_to_layout(info->new_level);
info->new_chunk = __le16_to_cpu(map->blocks_per_strip) << 9;
+ info->delta_disks = map->num_members - prev_map->num_members;
+ if (info->delta_disks) {
+ /* this needs to be applied to every array
+ * in the container.
+ */
+ info->reshape_active = 2;
+ }
+ /* We shape information that we give to md might have to be
+ * modify to cope with md's requirement for reshaping arrays.
+ * For example, when reshaping a RAID0, md requires it to be
+ * presented as a degraded RAID4.
+ * Also if a RAID0 is migrating to a RAID5 we need to specify
+ * the array as already being RAID5, but the 'before' layout
+ * is a RAID4-like layout.
+ */
+ switch (info->array.level) {
+ case 0:
+ switch(info->new_level) {
+ case 0:
+ /* conversion is happening as RAID4 */
+ info->array.level = 4;
+ info->array.raid_disks += 1;
+ break;
+ case 5:
+ /* conversion is happening as RAID5 */
+ info->array.level = 5;
+ info->array.layout = ALGORITHM_PARITY_N;
+ info->array.raid_disks += 1;
+ info->delta_disks -= 1;
+ break;
+ default:
+ /* FIXME error message */
+ info->array.level = UnSet;
+ break;
+ }
+ break;
+ }
} else {
info->new_level = UnSet;
info->new_layout = UnSet;
info->new_chunk = info->array.chunk_size;
+ info->delta_disks = 0;
}
info->disk.major = 0;
info->disk.minor = 0;
__le32_to_cpu(map_to_analyse->blocks_per_member);
memset(info->uuid, 0, sizeof(info->uuid));
info->recovery_start = MaxSector;
- info->reshape_active = (prev_map != NULL) &&
- (map->map_state == prev_map->map_state);
- if (info->reshape_active)
- info->delta_disks = map->num_members - prev_map->num_members;
- else
- info->delta_disks = 0;
info->reshape_progress = 0;
+ info->resync_start = MaxSector;
if (map_to_analyse->map_state == IMSM_T_STATE_UNINITIALIZED ||
dev->vol.dirty) {
info->resync_start = 0;
- } else if (dev->vol.migr_state) {
+ }
+ if (dev->vol.migr_state) {
switch (migr_type(dev)) {
case MIGR_REPAIR:
case MIGR_INIT: {
case MIGR_GEN_MIGR: {
__u64 blocks_per_unit = blocks_per_migr_unit(dev);
__u64 units = __le32_to_cpu(dev->vol.curr_migr_unit);
+ unsigned long long array_blocks;
+ int used_disks;
info->reshape_progress = blocks_per_unit * units;
dprintf("IMSM: General Migration checkpoint : %llu "
"(%llu) -> read reshape progress : %llu\n",
units, blocks_per_unit, info->reshape_progress);
- unsigned long long array_blocks;
- int used_disks;
used_disks = imsm_num_data_members(dev, 1);
if (used_disks > 0) {
/* we are not dirty, so... */
info->resync_start = MaxSector;
}
- } else
- info->resync_start = MaxSector;
+ }
strncpy(info->name, (char *) dev->volume, MAX_RAID_SERIAL_LEN);
info->name[MAX_RAID_SERIAL_LEN] = 0;
devname ? : "disk");
return 1;
}
- rv = attach_hba_to_super(super, hba_name, devname);
+ rv = attach_hba_to_super(super, hba_name);
switch (rv) {
case 2:
fprintf(stderr, Name ": %s is attached to Intel(R) %s RAID "
struct imsm_map *map;
struct imsm_map *map2;
struct mdinfo *this;
- int slot;
+ int slot, chunk;
char *ep;
if (subarray &&
dev->volume);
continue;
}
+ /* do not publish arrays that are not support by controller's
+ * OROM/EFI
+ */
+ chunk = __le16_to_cpu(map->blocks_per_strip) >> 1;
+ if (!validate_geometry_imsm_orom(super,
+ get_imsm_raid_level(map), /* RAID level */
+ imsm_level_to_layout(get_imsm_raid_level(map)),
+ map->num_members, /* raid disks */
+ &chunk,
+ 1 /* verbose */)) {
+ fprintf(stderr, Name ": RAID gemetry validation failed. "
+ "Cannot proceed with the action(s).\n");
+ continue;
+ }
this = malloc(sizeof(*this));
if (!this) {
fprintf(stderr, Name ": failed to allocate %zu bytes\n",
*/
if (a->curr_action == reshape) {
/* still reshaping, maybe update curr_migr_unit */
- long long blocks_per_unit = blocks_per_migr_unit(dev);
- long long unit = a->last_checkpoint;
- if (blocks_per_unit) {
- unit /= blocks_per_unit;
- if (unit >
- __le32_to_cpu(dev->vol.curr_migr_unit)) {
- dev->vol.curr_migr_unit =
- __cpu_to_le32(unit);
- super->updates_pending++;
- }
- }
- return 0;
+ goto mark_checkpoint;
} else {
if (a->last_checkpoint == 0 && a->prev_action == reshape) {
/* for some reason we aborted the reshape.
*/
a->check_reshape = 1;
-}
+ }
/* finalize online capacity expansion/reshape */
for (mdi = a->info.devs; mdi; mdi = mdi->next)
imsm_set_disk(a,
super->updates_pending++;
}
+mark_checkpoint:
/* check if we can update curr_migr_unit from resync_start, recovery_start */
blocks_per_unit = blocks_per_migr_unit(dev);
if (blocks_per_unit) {