#define DDF_CONCAT 0x1f
#define DDF_RAID5E 0x15
#define DDF_RAID5EE 0x25
-#define DDF_RAID6 0x16 /* Vendor unique layout */
+#define DDF_RAID6 0x06
/* Raid Level Qualifier (RLQ) */
#define DDF_RAID0_SIMPLE 0x00
#define DDF_RAID4_N 0x01 /* parity in last extent */
/* these apply to raid5e and raid5ee as well */
#define DDF_RAID5_0_RESTART 0x00 /* same as 'right asymmetric' - layout 1 */
+#define DDF_RAID6_0_RESTART 0x01 /* raid6 different from raid5 here!!! */
#define DDF_RAID5_N_RESTART 0x02 /* same as 'left asymmetric' - layout 0 */
#define DDF_RAID5_N_CONTINUE 0x03 /* same as 'left symmetric' - layout 2 */
#define DDF_BBM_LOG_MAGIC __cpu_to_be32(0xABADB10C)
#define DDF_GUID_LEN 24
-#define DDF_REVISION "01.00.00"
+#define DDF_REVISION_0 "01.00.00"
+#define DDF_REVISION_2 "01.02.00"
struct ddf_header {
__u32 magic; /* DDF_HEADER_MAGIC */
__u32 crc;
char guid[DDF_GUID_LEN];
- char revision[8]; /* 01.00.00 */
+ char revision[8]; /* 01.02.00 */
__u32 seq; /* starts at '1' */
__u32 timestamp;
__u8 openflag;
struct vcl *next;
__u64 *lba_offset; /* location in 'conf' of
* the lba table */
+ int vcnum; /* index into ->virt */
+ __u64 *block_sizes; /* NULL if all the same */
struct vd_config conf;
} *conflist, *newconf;
- int conf_num; /* Index into 'virt' of entry matching 'newconf' */
struct dl {
struct dl *next;
struct disk_data disk;
#define offsetof(t,f) ((size_t)&(((t*)0)->f))
#endif
-extern struct superswitch super_ddf_container, super_ddf_bvd, super_ddf;
+static struct superswitch super_ddf_container, super_ddf_bvd, super_ddf_svd;
static int calc_crc(void *buf, int len)
{
devname);
return 2;
}
- if (memcmp(super->anchor.revision, DDF_REVISION, 8) != 0) {
+ if (memcmp(super->anchor.revision, DDF_REVISION_0, 8) != 0 &&
+ memcmp(super->anchor.revision, DDF_REVISION_2, 8) != 0) {
if (devname)
fprintf(stderr, Name ": can only support super revision"
- " %.8s, not %.8s on %s\n",
- DDF_REVISION, super->anchor.revision, devname);
+ " %.8s and earlier, not %.8s on %s\n",
+ DDF_REVISION_2, super->anchor.revision,devname);
return 2;
}
if (load_ddf_header(fd, __be64_to_cpu(super->anchor.primary_lba),
char *conf;
int i;
int vnum;
+ int max_virt_disks = __be16_to_cpu(super->active->max_vd_entries);
/* First the local disk info */
dl = malloc(sizeof(*dl) +
for (i=0 ; i < super->max_part ; i++)
dl->vlist[i] = NULL;
super->dlist = dl;
- dl->pdnum = 0;
+ dl->pdnum = -1;
for (i=0; i < __be16_to_cpu(super->active->max_pd_entries); i++)
if (memcmp(super->phys->entries[i].guid,
dl->disk.guid, DDF_GUID_LEN) == 0)
dl->pdnum = i;
-
/* Now the config list. */
/* 'conf' is an array of config entries, some of which are
* probably invalid. Those which are good need to be copied into
if (__be32_to_cpu(vd->seqnum) <=
__be32_to_cpu(vcl->conf.seqnum))
continue;
- } else {
+ } else {
vcl = malloc(super->conf_rec_len*512 +
offsetof(struct vcl, conf));
vcl->next = super->conflist;
+ vcl->block_sizes = NULL; /* FIXME not for CONCAT */
super->conflist = vcl;
dl->vlist[vnum++] = vcl;
}
memcpy(&vcl->conf, vd, super->conf_rec_len*512);
vcl->lba_offset = (__u64*)
&vcl->conf.phys_refnum[super->mppe];
+
+ for (i=0; i < max_virt_disks ; i++)
+ if (memcmp(super->virt->entries[i].guid,
+ vcl->conf.guid, DDF_GUID_LEN)==0)
+ break;
+ if (i < max_virt_disks)
+ vcl->vcnum = i;
}
free(conf);
int rv;
#ifndef MDASSEMBLE
+ /* if 'fd' is a container, load metadata from all the devices */
if (load_super_ddf_all(st, fd, &st->sb, devname, 1) == 0)
return 0;
#endif
while (ddf->conflist) {
struct vcl *v = ddf->conflist;
ddf->conflist = v->next;
+ if (v->block_sizes)
+ free(v->block_sizes);
free(v);
}
while (ddf->dlist) {
return NULL;
st = malloc(sizeof(*st));
+ memset(st, 0, sizeof(*st));
st->ss = &super_ddf;
st->max_devs = 512;
st->minor_version = 0;
return NULL;
st = malloc(sizeof(*st));
+ memset(st, 0, sizeof(*st));
st->ss = &super_ddf_bvd;
st->max_devs = 512;
st->minor_version = 0;
return NULL;
st = malloc(sizeof(*st));
+ memset(st, 0, sizeof(*st));
st->ss = &super_ddf_svd;
st->max_devs = 512;
st->minor_version = 0;
{
/* A GUIDs are part (or all) ASCII and part binary.
* They tend to be space padded.
- * We ignore trailing spaces and print numbers
- * <0x20 and >=0x7f as \xXX
- * Some GUIDs have a time stamp in bytes 16-19.
- * We print that if appropriate
+ * We print the GUID in HEX, then in parentheses add
+ * any initial ASCII sequence, and a possible
+ * time stamp from bytes 16-19
*/
int l = DDF_GUID_LEN;
int i;
+
+ for (i=0 ; i<DDF_GUID_LEN ; i++) {
+ if ((i&3)==0 && i != 0) printf(":");
+ printf("%02X", guid[i]&255);
+ }
+
+ printf(" (");
while (l && guid[l-1] == ' ')
l--;
for (i=0 ; i<l ; i++) {
if (guid[i] >= 0x20 && guid[i] < 0x7f)
fputc(guid[i], stdout);
else
- fprintf(stdout, "\\x%02x", guid[i]&255);
+ break;
}
if (tstamp) {
time_t then = __be32_to_cpu(*(__u32*)(guid+16)) + DECADE;
char tbuf[100];
struct tm *tm;
tm = localtime(&then);
- strftime(tbuf, 100, " (%D %T)",tm);
+ strftime(tbuf, 100, " %D %T",tm);
fputs(tbuf, stdout);
}
+ printf(")");
}
static void examine_vd(int n, struct ddf_super *sb, char *guid)
*/
struct ddf_super *ddf = st->sb;
int i;
- printf("ARRAY /dev/ddf UUID=");
+ printf("ARRAY /dev/ddf metadata=ddf UUID=");
for (i = 0; i < DDF_GUID_LEN; i++) {
- printf("%02x", ddf->anchor.guid[i]);
if ((i&3) == 0 && i != 0)
printf(":");
+ printf("%02X", 255&ddf->anchor.guid[i]);
}
printf("\n");
}
*/
// struct ddf_super *ddf = st->sb;
}
-
-
#endif
static int match_home_ddf(struct supertype *st, char *homehost)
static struct vd_config *find_vdcr(struct ddf_super *ddf, int inst)
{
struct vcl *v;
- if (inst < 0 || inst > __be16_to_cpu(ddf->virt->populated_vdes))
- return NULL;
+
for (v = ddf->conflist; v; v = v->next)
- if (memcmp(v->conf.guid,
- ddf->virt->entries[inst].guid,
- DDF_GUID_LEN) == 0)
+ if (inst == v->vcnum)
return &v->conf;
return NULL;
}
* The first 16 bytes of the sha1 of these is used.
*/
struct ddf_super *ddf = st->sb;
- struct vd_config *vd = find_vdcr(ddf, ddf->conf_num);
+ struct vd_config *vd = &ddf->newconf->conf;
if (!vd)
memset(uuid, 0, sizeof (uuid));
static void getinfo_super_ddf(struct supertype *st, struct mdinfo *info)
{
struct ddf_super *ddf = st->sb;
- int i;
info->array.major_version = 1000;
info->array.minor_version = 0; /* FIXME use ddf->revision somehow */
info->disk.minor = 0;
if (ddf->dlist) {
info->disk.number = __be32_to_cpu(ddf->dlist->disk.refnum);
- info->disk.raid_disk = -1;
- for (i = 0; i < __be16_to_cpu(ddf->phys->max_pdes) ; i++)
- if (ddf->phys->entries[i].refnum ==
- ddf->dlist->disk.refnum) {
- info->disk.raid_disk = i;
- break;
- }
+ info->disk.raid_disk = find_phys(ddf, ddf->dlist->disk.refnum);
} else {
info->disk.number = -1;
// info->disk.raid_disk = find refnum in the table and use index;
* grow: Array has gained a new device - this is currently for
* linear only
* resync: mark as dirty so a resync will happen.
- * uuid: Change the uuid of the array to match watch is given
+ * uuid: Change the uuid of the array to match what is given
* homehost: update the recorded homehost
* name: update the name - preserving the homehost
* _reshape_progress: record new reshape_progress position.
// struct vd_config *vd = find_vdcr(ddf, info->container_member);
// struct virtual_entry *ve = find_ve(ddf);
-
/* we don't need to handle "force-*" or "assemble" as
* there is no need to 'trick' the kernel. We the metadata is
* first updated to activate the array, all the implied modifications
memcpy(guid+20, &stamp, 4);
if (rfd >= 0) close(rfd);
}
+
static int init_super_ddf(struct supertype *st,
mdu_array_info_t *info,
unsigned long long size, char *name, char *homehost,
struct virtual_disk *vd;
ddf = malloc(sizeof(*ddf));
+ memset(ddf, 0, sizeof(*ddf));
ddf->dlist = NULL; /* no physical disks yet */
ddf->conflist = NULL; /* No virtual disks yet */
ddf->anchor.magic = DDF_HEADER_MAGIC;
make_header_guid(ddf->anchor.guid);
- memcpy(ddf->anchor.revision, DDF_REVISION, 8);
+ memcpy(ddf->anchor.revision, DDF_REVISION_2, 8);
ddf->anchor.seq = __cpu_to_be32(1);
ddf->anchor.timestamp = __cpu_to_be32(time(0) - DECADE);
ddf->anchor.openflag = 0xFF;
ddf->anchor.max_vd_entries = __cpu_to_be16(max_virt_disks); /* ?? */
ddf->anchor.max_partitions = __cpu_to_be16(64); /* ?? */
ddf->max_part = 64;
- ddf->conf_rec_len = 1 + 256 * 12 / 512;
- ddf->anchor.config_record_len = __cpu_to_be16(ddf->conf_rec_len);
- ddf->anchor.max_primary_element_entries = __cpu_to_be16(256);
ddf->mppe = 256;
+ ddf->conf_rec_len = 1 + ROUND_UP(ddf->mppe * (4+8), 512)/512;
+ ddf->anchor.config_record_len = __cpu_to_be16(ddf->conf_rec_len);
+ ddf->anchor.max_primary_element_entries = __cpu_to_be16(ddf->mppe);
memset(ddf->anchor.pad3, 0xff, 54);
-
/* controller sections is one sector long immediately
* after the ddf header */
sector = 1;
__cpu_to_be32(vdsize/512); /* max_vd_entries/8 */
sector += vdsize/512;
- clen = (1 + 256*12/512) * (64+1);
+ clen = ddf->conf_rec_len * (ddf->max_part+1);
ddf->anchor.config_section_offset = __cpu_to_be32(sector);
ddf->anchor.config_section_length = __cpu_to_be32(clen);
sector += clen;
case ALGORITHM_LEFT_ASYMMETRIC:
return DDF_RAID5_N_RESTART;
case ALGORITHM_RIGHT_ASYMMETRIC:
- return DDF_RAID5_0_RESTART;
+ if (level == 5)
+ return DDF_RAID5_0_RESTART;
+ else
+ return DDF_RAID6_0_RESTART;
case ALGORITHM_LEFT_SYMMETRIC:
return DDF_RAID5_N_CONTINUE;
case ALGORITHM_RIGHT_SYMMETRIC:
return -1; /* FIXME this isn't checked */
}
case DDF_RAID5:
- case DDF_RAID6:
switch(rlq) {
case DDF_RAID5_N_RESTART:
return ALGORITHM_LEFT_ASYMMETRIC;
default:
return -1;
}
+ case DDF_RAID6:
+ switch(rlq) {
+ case DDF_RAID5_N_RESTART:
+ return ALGORITHM_LEFT_ASYMMETRIC;
+ case DDF_RAID6_0_RESTART:
+ return ALGORITHM_RIGHT_ASYMMETRIC;
+ case DDF_RAID5_N_CONTINUE:
+ return ALGORITHM_LEFT_SYMMETRIC;
+ default:
+ return -1;
+ }
}
return -1;
}
+struct extent {
+ unsigned long long start, size;
+};
+int cmp_extent(const void *av, const void *bv)
+{
+ const struct extent *a = av;
+ const struct extent *b = bv;
+ if (a->start < b->start)
+ return -1;
+ if (a->start > b->start)
+ return 1;
+ return 0;
+}
+
+struct extent *get_extents(struct ddf_super *ddf, struct dl *dl)
+{
+ /* find a list of used extents on the give physical device
+ * (dnum) of the given ddf.
+ * Return a malloced array of 'struct extent'
+
+FIXME ignore DDF_Legacy devices?
+
+ */
+ struct extent *rv;
+ int n = 0;
+ int i, j;
+
+ rv = malloc(sizeof(struct extent) * (ddf->max_part + 2));
+ if (!rv)
+ return NULL;
+
+ for (i = 0; i < ddf->max_part; i++) {
+ struct vcl *v = dl->vlist[i];
+ if (v == NULL)
+ continue;
+ for (j=0; j < v->conf.prim_elmnt_count; j++)
+ if (v->conf.phys_refnum[j] == dl->disk.refnum) {
+ /* This device plays role 'j' in 'v'. */
+ rv[n].start = __be64_to_cpu(v->lba_offset[j]);
+ rv[n].size = __be64_to_cpu(v->conf.blocks);
+ n++;
+ break;
+ }
+ }
+ qsort(rv, n, sizeof(*rv), cmp_extent);
+
+ rv[n].start = __be64_to_cpu(ddf->phys->entries[dl->pdnum].config_size);
+ rv[n].size = 0;
+ return rv;
+}
+
static int init_super_ddf_bvd(struct supertype *st,
mdu_array_info_t *info,
unsigned long long size,
return 0;
}
ve = &ddf->virt->entries[venum];
- ddf->conf_num = venum;
/* A Virtual Disk GUID contains the T10 Vendor ID, controller type,
* timestamp, random number
/* Now create a new vd_config */
vcl = malloc(offsetof(struct vcl, conf) + ddf->conf_rec_len * 512);
vcl->lba_offset = (__u64*) &vcl->conf.phys_refnum[ddf->mppe];
+ vcl->vcnum = venum;
+ vcl->block_sizes = NULL; /* FIXME not for CONCAT */
vc = &vcl->conf;
__u64 *lba_offset;
int working;
int i;
- int max_virt_disks;
+ unsigned long long blocks, pos, esize;
+ struct extent *ex;
for (dl = ddf->dlist; dl ; dl = dl->next)
if (dl->major == dk->major &&
vc = &ddf->newconf->conf;
lba_offset = ddf->newconf->lba_offset;
+
+ ex = get_extents(ddf, dl);
+ if (!ex)
+ return;
+
+ i = 0; pos = 0;
+ blocks = __be64_to_cpu(vc->blocks);
+ if (ddf->newconf->block_sizes)
+ blocks = ddf->newconf->block_sizes[dk->raid_disk];
+
+ do {
+ esize = ex[i].start - pos;
+ if (esize >= blocks)
+ break;
+ pos = ex[i].start + ex[i].size;
+ i++;
+ } while (ex[i-1].size);
+
+ free(ex);
+ if (esize < blocks)
+ return;
+
vc->phys_refnum[dk->raid_disk] = dl->disk.refnum;
- lba_offset[dk->raid_disk] = 0; /* FIXME */
+ lba_offset[dk->raid_disk] = __cpu_to_be64(pos);
for (i=0; i < ddf->max_part ; i++)
if (dl->vlist[i] == NULL)
for (i=0; i < __be16_to_cpu(vc->prim_elmnt_count); i++)
if (vc->phys_refnum[i] != 0xffffffff)
working++;
+
/* Find which virtual_entry */
- max_virt_disks = __be16_to_cpu(ddf->active->max_vd_entries);
- for (i=0; i < max_virt_disks ; i++)
- if (memcmp(ddf->virt->entries[i].guid,
- vc->guid, DDF_GUID_LEN)==0)
- break;
- if (i == max_virt_disks)
- return;
+ i = ddf->newconf->vcnum;
if (working == __be16_to_cpu(vc->prim_elmnt_count))
ddf->virt->entries[i].state =
(ddf->virt->entries[i].state & ~DDF_state_mask)
*(__u32*)(dd->disk.guid + 16) = random();
*(__u32*)(dd->disk.guid + 20) = random();
- dd->disk.refnum = random(); /* and hope for the best FIXME check this is unique!!*/
+ do {
+ /* Cannot be bothered finding a CRC of some irrelevant details*/
+ dd->disk.refnum = random();
+ for (i = __be16_to_cpu(ddf->active->max_pd_entries) - 1;
+ i >= 0; i--)
+ if (ddf->phys->entries[i].refnum == dd->disk.refnum)
+ break;
+ } while (i >= 0);
+
dd->disk.forced_ref = 1;
dd->disk.forced_guid = 1;
memset(dd->disk.vendor, ' ', 32);
return 1;
}
-struct extent {
- unsigned long long start, size;
-};
-int cmp_extent(const void *av, const void *bv)
-{
- const struct extent *a = av;
- const struct extent *b = bv;
- if (a->start < b->start)
- return -1;
- if (a->start > b->start)
- return 1;
- return 0;
-}
-
-struct extent *get_extents(struct ddf_super *ddf, struct dl *dl)
-{
- /* find a list of used extents on the give physical device
- * (dnum) of the given ddf.
- * Return a malloced array of 'struct extent'
-
-FIXME ignore DDF_Legacy devices?
-
- */
- struct extent *rv;
- int n = 0;
- int dnum;
- int i, j;
-
- /* FIXME this is dl->pdnum */
- for (dnum = 0; dnum < ddf->phys->used_pdes; dnum++)
- if (memcmp(dl->disk.guid,
- ddf->phys->entries[dnum].guid,
- DDF_GUID_LEN) == 0)
- break;
-
- if (dnum == ddf->phys->used_pdes)
- return NULL;
-
- rv = malloc(sizeof(struct extent) * (ddf->max_part + 2));
- if (!rv)
- return NULL;
-
- for (i = 0; i < ddf->max_part; i++) {
- struct vcl *v = dl->vlist[i];
- if (v == NULL)
- continue;
- for (j=0; j < v->conf.prim_elmnt_count; j++)
- if (v->conf.phys_refnum[j] == dl->disk.refnum) {
- /* This device plays role 'j' in 'v'. */
- rv[n].start = __be64_to_cpu(v->lba_offset[j]);
- rv[n].size = __be64_to_cpu(v->conf.blocks);
- n++;
- break;
- }
- }
- qsort(rv, n, sizeof(*rv), cmp_extent);
-
- rv[n].start = __be64_to_cpu(ddf->phys->entries[dnum].config_size);
- rv[n].size = 0;
- return rv;
-}
-
int validate_geometry_ddf_bvd(struct supertype *st,
int level, int layout, int raiddisks,
int chunk, unsigned long long size,
return 1;
}
+
int validate_geometry_ddf_svd(struct supertype *st,
int level, int layout, int raiddisks,
int chunk, unsigned long long size,
return 1;
}
-
static int load_super_ddf_all(struct supertype *st, int fd,
void **sbp, char *devname, int keep_fd)
{
}
#endif
-
-
static struct mdinfo *container_content_ddf(struct supertype *st)
{
/* Given a container loaded by load_super_ddf_all,
__be32_to_cpu(vc->conf.timestamp);
this->array.chunk_size = 512 << vc->conf.chunk_shift;
- for (i=0; i < __be16_to_cpu(ddf->virt->populated_vdes); i++)
- if (memcmp(ddf->virt->entries[i].guid,
- vc->conf.guid, DDF_GUID_LEN) == 0)
- break;
+ i = vc->vcnum;
if ((ddf->virt->entries[i].state & DDF_state_inconsistent) ||
(ddf->virt->entries[i].init_state & DDF_initstate_mask) !=
DDF_init_full) {
devnum2devname(st->container_dev),
this->container_member);
-
for (i=0 ; i < ddf->mppe ; i++) {
struct mdinfo *dev;
struct dl *d;
char buf[512];
memset(buf, 0, 512);
-
if (!get_dev_size(fd, NULL, &dsize))
return 1;
struct vd_config *vc;
__u64 *lba;
-/* FIXME, If there is a DS_FAULTY, we want to wait for it to be
- * removed. Then only look at DS_REMOVE devices.
- * What about !DS_INSYNC - how can that happen?
- */
for (d = a->info.devs ; d ; d = d->next) {
if ((d->curr_state & DS_FAULTY) &&
d->state_fd >= 0)
* Create a metadata_update record to update the
* phys_refnum and lba_offset values
*/
- mu = malloc(sizeof(*mu) + ddf->conf_rec_len * 512);
- mu->buf = (char*)(mu+1);
+ mu = malloc(sizeof(*mu));
+ mu->buf = malloc(ddf->conf_rec_len * 512);
mu->space = malloc(sizeof(struct vcl));
mu->len = ddf->conf_rec_len;
mu->next = *updates;
.match_metadata_desc = match_metadata_desc_ddf,
.getinfo_super_n = getinfo_super_n_container,
-
- .major = 1000,
.swapuuid = 0,
.external = 1,
/* Super_ddf_container is set by validate_geometry_ddf when given a
* device that is not part of any array
*/
-struct superswitch super_ddf_container = {
+static struct superswitch super_ddf_container = {
#ifndef MDASSEMBLE
.validate_geometry = validate_geometry_ddf_container,
.write_init_super = write_init_super_ddf,
.container_content = container_content_ddf,
.getinfo_super_n = getinfo_super_n_container,
- .major = 1000,
.swapuuid = 0,
.external = 1,
};
-struct superswitch super_ddf_bvd = {
+static struct superswitch super_ddf_bvd = {
#ifndef MDASSEMBLE
// .detail_super = detail_super_ddf_bvd,
// .brief_detail_super = brief_detail_super_ddf_bvd,
.free_super = free_super_ddf,
.match_metadata_desc = match_metadata_desc_ddf_bvd,
-
- .major = 1001,
.swapuuid = 0,
.external = 2,
};
-struct superswitch super_ddf_svd = {
+static struct superswitch super_ddf_svd = {
#ifndef MDASSEMBLE
// .detail_super = detail_super_ddf_svd,
// .brief_detail_super = brief_detail_super_ddf_svd,
.free_super = free_super_ddf,
.match_metadata_desc = match_metadata_desc_ddf_svd,
- .major = 1002,
.swapuuid = 0,
.external = 2,
};
projects / thirdparty / mdadm.git / blobdiff