2 * mdadm - Intel(R) Matrix Storage Manager Support
4 * Copyright (C) 2002-2007 Intel Corporation
6 * This program is free software; you can redistribute it and/or modify it
7 * under the terms and conditions of the GNU General Public License,
8 * version 2, as published by the Free Software Foundation.
10 * This program is distributed in the hope it will be useful, but WITHOUT
11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
15 * You should have received a copy of the GNU General Public License along with
16 * this program; if not, write to the Free Software Foundation, Inc.,
17 * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
25 /* MPB == Metadata Parameter Block */
26 #define MPB_SIGNATURE "Intel Raid ISM Cfg Sig. "
27 #define MPB_SIG_LEN (strlen(MPB_SIGNATURE))
28 #define MPB_VERSION_RAID0 "1.0.00"
29 #define MPB_VERSION_RAID1 "1.1.00"
30 #define MPB_VERSION_RAID5 "1.2.02"
31 #define MAX_SIGNATURE_LENGTH 32
32 #define MAX_RAID_SERIAL_LEN 16
34 /* Disk configuration info. */
35 #define IMSM_MAX_DEVICES 255
37 __u8 serial
[MAX_RAID_SERIAL_LEN
];/* 0xD8 - 0xE7 ascii serial number */
38 __u32 total_blocks
; /* 0xE8 - 0xEB total blocks */
39 __u32 scsi_id
; /* 0xEC - 0xEF scsi ID */
40 __u32 status
; /* 0xF0 - 0xF3 */
41 #define SPARE_DISK 0x01 /* Spare */
42 #define CONFIGURED_DISK 0x02 /* Member of some RaidDev */
43 #define FAILED_DISK 0x04 /* Permanent failure */
44 #define USABLE_DISK 0x08 /* Fully usable unless FAILED_DISK is set */
46 #define IMSM_DISK_FILLERS 5
47 __u32 filler
[IMSM_DISK_FILLERS
]; /* 0xF4 - 0x107 MPB_DISK_FILLERS for future expansion */
50 /* RAID map configuration infos. */
52 __u32 pba_of_lba0
; /* start address of partition */
53 __u32 blocks_per_member
;/* blocks per member */
54 __u32 num_data_stripes
; /* number of data stripes */
55 __u16 blocks_per_strip
;
56 __u8 map_state
; /* Normal, Uninitialized, Degraded, Failed */
57 #define IMSM_T_STATE_NORMAL 0
58 #define IMSM_T_STATE_UNINITIALIZED 1
59 #define IMSM_T_STATE_DEGRADED 2 /* FIXME: is this correct? */
60 #define IMSM_T_STATE_FAILED 3 /* FIXME: is this correct? */
62 #define IMSM_T_RAID0 0
63 #define IMSM_T_RAID1 1
64 #define IMSM_T_RAID5 5 /* since metadata version 1.2.02 ? */
65 __u8 num_members
; /* number of member disks */
67 __u32 filler
[7]; /* expansion area */
68 __u32 disk_ord_tbl
[1]; /* disk_ord_tbl[num_members],
70 } __attribute__ ((packed
));
74 __u8 migr_state
; /* Normal or Migrating */
75 __u8 migr_type
; /* Initializing, Rebuilding, ... */
79 struct imsm_map map
[1];
80 /* here comes another one if migr_state */
81 } __attribute__ ((packed
));
84 __u8 volume
[MAX_RAID_SERIAL_LEN
];
87 __u32 status
; /* Persistent RaidDev status */
88 __u32 reserved_blocks
; /* Reserved blocks at beginning of volume */
89 #define IMSM_DEV_FILLERS 12
90 __u32 filler
[IMSM_DEV_FILLERS
];
92 } __attribute__ ((packed
));
95 __u8 sig
[MAX_SIGNATURE_LENGTH
]; /* 0x00 - 0x1F */
96 __u32 check_sum
; /* 0x20 - 0x23 MPB Checksum */
97 __u32 mpb_size
; /* 0x24 - 0x27 Size of MPB */
98 __u32 family_num
; /* 0x28 - 0x2B Checksum from first time this config was written */
99 __u32 generation_num
; /* 0x2C - 0x2F Incremented each time this array's MPB is written */
100 __u32 reserved
[2]; /* 0x30 - 0x37 */
101 __u8 num_disks
; /* 0x38 Number of configured disks */
102 __u8 num_raid_devs
; /* 0x39 Number of configured volumes */
103 __u8 fill
[2]; /* 0x3A - 0x3B */
104 #define IMSM_FILLERS 39
105 __u32 filler
[IMSM_FILLERS
]; /* 0x3C - 0xD7 RAID_MPB_FILLERS */
106 struct imsm_disk disk
[1]; /* 0xD8 diskTbl[numDisks] */
107 /* here comes imsm_dev[num_raid_devs] */
108 } __attribute__ ((packed
));
111 static char *map_state_str
[] = { "normal", "uninitialized", "degraded", "failed" };
114 static unsigned long long mpb_sectors(struct imsm_super
*mpb
)
116 __u32 size
= __le32_to_cpu(mpb
->mpb_size
);
118 return ((size
+ (512-1)) & (~(512-1))) / 512;
121 /* internal representation of IMSM metadata */
124 struct imsm_super
*mpb
;
130 __u8 serial
[MAX_RAID_SERIAL_LEN
];
137 static struct supertype
*match_metadata_desc_imsm(char *arg
)
139 struct supertype
*st
;
141 if (strcmp(arg
, "imsm") != 0 &&
142 strcmp(arg
, "default") != 0
146 st
= malloc(sizeof(*st
));
147 st
->ss
= &super_imsm
;
148 st
->max_devs
= IMSM_MAX_DEVICES
;
149 st
->minor_version
= 0;
154 static struct supertype
*match_metadata_desc_imsm_raid(char *arg
)
156 struct supertype
*st
;
158 if (strcmp(arg
, "imsm/raid") != 0 &&
159 strcmp(arg
, "raid") != 0 &&
160 strcmp(arg
, "default") != 0
164 st
= malloc(sizeof(*st
));
165 st
->ss
= &super_imsm_raid
;
166 st
->max_devs
= IMSM_MAX_DEVICES
;
167 st
->minor_version
= 0;
172 static __u8
*get_imsm_version(struct imsm_super
*mpb
)
174 return &mpb
->sig
[MPB_SIG_LEN
];
177 static struct imsm_disk
*get_imsm_disk(struct imsm_super
*mpb
, __u8 index
)
179 if (index
> mpb
->num_disks
- 1)
181 return &mpb
->disk
[index
];
184 static __u32
gen_imsm_checksum(struct imsm_super
*mpb
)
186 __u32 end
= mpb
->mpb_size
/ sizeof(end
);
187 __u32
*p
= (__u32
*) mpb
;
191 sum
+= __le32_to_cpu(*p
++);
193 return sum
- __le32_to_cpu(mpb
->check_sum
);
196 static size_t sizeof_imsm_dev(struct imsm_dev
*dev
)
198 size_t size
= sizeof(*dev
);
200 /* each map has disk_ord_tbl[num_members - 1] additional space */
201 size
+= sizeof(__u32
) * (dev
->vol
.map
[0].num_members
- 1);
203 /* migrating means an additional map */
204 if (dev
->vol
.migr_state
) {
205 size
+= sizeof(struct imsm_map
);
206 size
+= sizeof(__u32
) * (dev
->vol
.map
[1].num_members
- 1);
212 static struct imsm_dev
*get_imsm_dev(struct imsm_super
*mpb
, __u8 index
)
218 if (index
> mpb
->num_raid_devs
- 1)
221 /* devices start after all disks */
222 offset
= ((void *) &mpb
->disk
[mpb
->num_disks
]) - _mpb
;
224 for (i
= 0; i
<= index
; i
++)
226 return _mpb
+ offset
;
228 offset
+= sizeof_imsm_dev(_mpb
+ offset
);
233 static __u32
get_imsm_disk_idx(struct imsm_map
*map
, int slot
)
235 __u32
*ord_tbl
= &map
->disk_ord_tbl
[slot
];
237 /* top byte is 'special' */
238 return __le32_to_cpu(*ord_tbl
& ~(0xff << 24));
242 static int get_imsm_raid_level(struct imsm_map
*map
)
244 if (map
->raid_level
== 1) {
245 if (map
->num_members
== 2)
251 return map
->raid_level
;
254 static void print_imsm_dev(struct imsm_dev
*dev
, int index
)
258 struct imsm_map
*map
= dev
->vol
.map
;
261 printf("[%s]:\n", dev
->volume
);
262 printf(" RAID Level : %d\n", get_imsm_raid_level(map
));
263 printf(" Members : %d\n", map
->num_members
);
264 for (slot
= 0; slot
< map
->num_members
; slot
++)
265 if (index
== get_imsm_disk_idx(map
, slot
))
267 if (slot
< map
->num_members
)
268 printf(" This Slot : %d\n", slot
);
270 printf(" This Slot : ?\n");
271 sz
= __le32_to_cpu(dev
->size_high
);
273 sz
+= __le32_to_cpu(dev
->size_low
);
274 printf(" Array Size : %llu%s\n", (unsigned long long)sz
,
275 human_size(sz
* 512));
276 sz
= __le32_to_cpu(map
->blocks_per_member
);
277 printf(" Per Dev Size : %llu%s\n", (unsigned long long)sz
,
278 human_size(sz
* 512));
279 printf(" Sector Offset : %u\n",
280 __le32_to_cpu(map
->pba_of_lba0
));
281 printf(" Num Stripes : %u\n",
282 __le32_to_cpu(map
->num_data_stripes
));
283 printf(" Chunk Size : %u KiB\n",
284 __le16_to_cpu(map
->blocks_per_strip
) / 2);
285 printf(" Reserved : %d\n", __le32_to_cpu(dev
->reserved_blocks
));
286 printf(" Migrate State : %s\n", dev
->vol
.migr_state
? "migrating" : "idle");
287 printf(" Dirty State : %s\n", dev
->vol
.dirty
? "dirty" : "clean");
288 printf(" Map State : %s\n", map_state_str
[map
->map_state
]);
291 static void print_imsm_disk(struct imsm_super
*mpb
, int index
)
293 struct imsm_disk
*disk
= get_imsm_disk(mpb
, index
);
294 char str
[MAX_RAID_SERIAL_LEN
];
299 snprintf(str
, MAX_RAID_SERIAL_LEN
, "%s", disk
->serial
);
300 printf(" Disk%02d Serial : %s\n", index
, str
);
301 s
= __le32_to_cpu(disk
->status
);
302 printf(" State :%s%s%s%s\n", s
&SPARE_DISK
? " spare" : "",
303 s
&CONFIGURED_DISK
? " active" : "",
304 s
&FAILED_DISK
? " failed" : "",
305 s
&USABLE_DISK
? " usable" : "");
306 printf(" Id : %08x\n", __le32_to_cpu(disk
->scsi_id
));
307 sz
= __le32_to_cpu(disk
->total_blocks
) - mpb_sectors(mpb
);
308 printf(" Usable Size : %llu%s\n", (unsigned long long)sz
,
309 human_size(sz
* 512));
312 static void examine_super_imsm(struct supertype
*st
, char *homehost
)
314 struct intel_super
*super
= st
->sb
;
315 struct imsm_super
*mpb
= super
->mpb
;
316 char str
[MAX_SIGNATURE_LENGTH
];
320 snprintf(str
, MPB_SIG_LEN
, "%s", mpb
->sig
);
321 printf(" Magic : %s\n", str
);
322 snprintf(str
, strlen(MPB_VERSION_RAID0
), "%s", get_imsm_version(mpb
));
323 printf(" Version : %s\n", get_imsm_version(mpb
));
324 printf(" Family : %08x\n", __le32_to_cpu(mpb
->family_num
));
325 printf(" Generation : %08x\n", __le32_to_cpu(mpb
->generation_num
));
326 sum
= __le32_to_cpu(mpb
->check_sum
);
327 printf(" Checksum : %08x %s\n", sum
,
328 gen_imsm_checksum(mpb
) == sum
? "correct" : "incorrect");
329 printf(" Disks : %d\n", mpb
->num_disks
);
330 printf(" RAID Devices : %d\n", mpb
->num_raid_devs
);
331 print_imsm_disk(mpb
, super
->disks
->index
);
332 for (i
= 0; i
< mpb
->num_raid_devs
; i
++)
333 print_imsm_dev(get_imsm_dev(mpb
, i
), super
->disks
->index
);
334 for (i
= 0; i
< mpb
->num_disks
; i
++) {
335 if (i
== super
->disks
->index
)
337 print_imsm_disk(mpb
, i
);
341 static void brief_examine_super_imsm(struct supertype
*st
)
343 struct intel_super
*super
= st
->sb
;
344 struct imsm_super
*mpb
= super
->mpb
;
346 printf("ARRAY /dev/imsm family=%08x metadata=external:imsm\n",
347 __le32_to_cpu(mpb
->family_num
));
350 static void detail_super_imsm(struct supertype
*st
, char *homehost
)
352 printf("%s\n", __FUNCTION__
);
355 static void brief_detail_super_imsm(struct supertype
*st
)
357 printf("%s\n", __FUNCTION__
);
361 static int match_home_imsm(struct supertype
*st
, char *homehost
)
363 printf("%s\n", __FUNCTION__
);
368 static void uuid_from_super_imsm(struct supertype
*st
, int uuid
[4])
370 printf("%s\n", __FUNCTION__
);
373 static void getinfo_super_imsm(struct supertype
*st
, struct mdinfo
*info
)
375 struct intel_super
*super
= st
->sb
;
376 struct imsm_super
*mpb
= super
->mpb
;
377 struct imsm_disk
*disk
;
379 __u8
*v
= get_imsm_version(mpb
);
380 __u8
*end
= mpb
->sig
+ MAX_SIGNATURE_LENGTH
;
381 char major
[] = { 0, 0, 0 };
382 char minor
[] = { 0 ,0, 0 };
383 char patch
[] = { 0, 0, 0 };
384 char *ver_parse
[] = { major
, minor
, patch
};
388 while (*v
!= '\0' && v
< end
) {
389 if (*v
!= '.' && j
< 2)
390 ver_parse
[i
][j
++] = *v
;
398 info
->array
.major_version
= 2000;
399 info
->array
.minor_version
= strtol(minor
, NULL
, 0);
400 info
->array
.patch_version
= strtol(patch
, NULL
, 0);
401 info
->array
.raid_disks
= mpb
->num_disks
;
402 info
->array
.level
= LEVEL_CONTAINER
;
403 info
->array
.layout
= 0;
404 info
->array
.md_minor
= -1;
405 info
->array
.ctime
= __le32_to_cpu(mpb
->generation_num
); //??
406 info
->array
.utime
= 0;
407 info
->array
.chunk_size
= 0;
409 info
->disk
.major
= 0;
410 info
->disk
.minor
= 0;
411 info
->disk
.number
= super
->disks
->index
;
412 info
->disk
.raid_disk
= -1;
413 /* is this disk a member of a raid device? */
414 for (i
= 0; i
< mpb
->num_raid_devs
; i
++) {
415 struct imsm_dev
*dev
= get_imsm_dev(mpb
, i
);
416 struct imsm_map
*map
= dev
->vol
.map
;
418 for (j
= 0; j
< map
->num_members
; j
++) {
419 __u32 index
= get_imsm_disk_idx(map
, j
);
421 if (index
== super
->disks
->index
) {
422 info
->disk
.raid_disk
= super
->disks
->index
;
426 if (info
->disk
.raid_disk
!= -1)
429 disk
= get_imsm_disk(mpb
, super
->disks
->index
);
430 s
= __le32_to_cpu(disk
->status
);
431 info
->disk
.state
= s
& CONFIGURED_DISK
? (1 << MD_DISK_ACTIVE
) : 0;
432 info
->disk
.state
|= s
& FAILED_DISK
? (1 << MD_DISK_FAULTY
) : 0;
433 info
->disk
.state
|= s
& USABLE_DISK
? (1 << MD_DISK_SYNC
) : 0;
434 info
->reshape_active
= 0;
437 static void getinfo_super_imsm_raid(struct supertype
*st
, struct mdinfo
*info
)
439 printf("%s\n", __FUNCTION__
);
442 static int update_super_imsm(struct supertype
*st
, struct mdinfo
*info
,
443 char *update
, char *devname
, int verbose
,
444 int uuid_set
, char *homehost
)
449 static __u64
avail_size_imsm(struct supertype
*st
, __u64 size
)
451 printf("%s\n", __FUNCTION__
);
456 static int compare_super_imsm(struct supertype
*st
, struct supertype
*tst
)
460 * 0 same, or first was empty, and second was copied
461 * 1 second had wrong number
465 struct intel_super
*first
= st
->sb
;
466 struct intel_super
*sec
= tst
->sb
;
474 if (memcmp(first
->mpb
->sig
, sec
->mpb
->sig
, MAX_SIGNATURE_LENGTH
) != 0)
476 if (first
->mpb
->family_num
!= sec
->mpb
->family_num
)
478 if (first
->mpb
->mpb_size
!= sec
->mpb
->mpb_size
)
480 if (first
->mpb
->check_sum
!= sec
->mpb
->check_sum
)
486 extern int scsi_get_serial(int fd
, void *buf
, size_t buf_len
);
488 static int imsm_read_serial(int fd
, char *devname
,
489 __u8 serial
[MAX_RAID_SERIAL_LEN
])
491 unsigned char scsi_serial
[255];
500 memset(scsi_serial
, 0, sizeof(scsi_serial
));
502 minor
= minor(stb
.st_rdev
);
505 sprintf(sg_path
, "/dev/sg%d", minor
);
506 sg_fd
= open(sg_path
, O_RDONLY
);
510 Name
": Failed to open %s for %s: %s\n",
511 sg_path
, devname
, strerror(errno
));
515 rv
= scsi_get_serial(sg_fd
, scsi_serial
, sizeof(scsi_serial
));
521 Name
": Failed to retrieve serial for %s\n",
526 rsp_len
= scsi_serial
[3];
527 for (i
= 0, cnt
= 0; i
< rsp_len
; i
++) {
528 if (!isspace(scsi_serial
[4 + i
]))
529 serial
[cnt
++] = scsi_serial
[4 + i
];
530 if (cnt
== MAX_RAID_SERIAL_LEN
)
534 serial
[MAX_RAID_SERIAL_LEN
- 1] = '\0';
540 load_imsm_disk(int fd
, struct intel_super
*super
, char *devname
, int keep_fd
)
542 struct imsm_super
*mpb
= super
->mpb
;
545 struct imsm_disk
*disk
;
549 dl
= malloc(sizeof(*dl
));
553 Name
": failed to allocate disk buffer for %s\n",
557 memset(dl
, 0, sizeof(*dl
));
560 dl
->major
= major(stb
.st_rdev
);
561 dl
->minor
= minor(stb
.st_rdev
);
562 dl
->next
= super
->disks
;
563 dl
->fd
= keep_fd
? fd
: -1;
564 dl
->devname
= devname
? strdup(devname
) : NULL
;
567 rv
= imsm_read_serial(fd
, devname
, dl
->serial
);
572 /* look up this disk's index */
573 for (i
= 0; i
< mpb
->num_disks
; i
++) {
574 disk
= get_imsm_disk(mpb
, i
);
576 if (memcmp(disk
->serial
, dl
->serial
, MAX_RAID_SERIAL_LEN
) == 0)
580 if (i
> mpb
->num_disks
)
588 /* load_imsm_mpb - read matrix metadata
589 * allocates super->mpb to be freed by free_super
591 static int load_imsm_mpb(int fd
, struct intel_super
*super
, char *devname
)
593 unsigned long long dsize
;
594 size_t len
, mpb_size
;
595 unsigned long long sectors
;
597 struct imsm_super anchor
;
600 memset(super
, 0, sizeof(*super
));
601 get_dev_size(fd
, NULL
, &dsize
);
603 if (lseek64(fd
, dsize
- (512 * 2), SEEK_SET
) < 0) {
606 Name
": Cannot seek to anchor block on %s: %s\n",
607 devname
, strerror(errno
));
611 len
= sizeof(anchor
);
612 if (read(fd
, &anchor
, len
) != len
) {
615 Name
": Cannot read anchor block on %s: %s\n",
616 devname
, strerror(errno
));
620 if (strncmp((char *) anchor
.sig
, MPB_SIGNATURE
, MPB_SIG_LEN
) != 0) {
623 Name
": no IMSM anchor on %s\n", devname
);
627 mpb_size
= __le32_to_cpu(anchor
.mpb_size
);
628 super
->mpb
= malloc(mpb_size
< 512 ? 512 : mpb_size
);
632 Name
": unable to allocate %zu byte mpb buffer\n",
636 memcpy(super
->buf
, &anchor
, sizeof(anchor
));
638 /* read the rest of the first block */
639 len
= 512 - sizeof(anchor
);
640 if (read(fd
, super
->buf
+ sizeof(anchor
), len
) != len
) {
643 Name
": Cannot read anchor remainder on %s: %s\n",
644 devname
, strerror(errno
));
648 sectors
= mpb_sectors(&anchor
) - 1;
650 return load_imsm_disk(fd
, super
, devname
, 0);
652 /* read the extended mpb */
653 if (lseek64(fd
, dsize
- (512 * (2 + sectors
)), SEEK_SET
) < 0) {
656 Name
": Cannot seek to extended mpb on %s: %s\n",
657 devname
, strerror(errno
));
661 len
= mpb_size
- 512;
662 if (read(fd
, super
->buf
+ 512, len
) != len
) {
665 Name
": Cannot read extended mpb on %s: %s\n",
666 devname
, strerror(errno
));
670 check_sum
= gen_imsm_checksum(super
->mpb
);
671 if (check_sum
!= __le32_to_cpu(super
->mpb
->check_sum
)) {
674 Name
": IMSM checksum %x != %x on %s\n",
675 check_sum
, __le32_to_cpu(super
->mpb
->check_sum
),
680 return load_imsm_disk(fd
, super
, devname
, 0);
683 struct superswitch super_imsm_container
;
685 static void free_imsm_disks(struct intel_super
*super
)
687 while (super
->disks
) {
688 struct dl
*d
= super
->disks
;
690 super
->disks
= d
->next
;
699 static void free_imsm(struct intel_super
*super
)
703 free_imsm_disks(super
);
708 static void free_super_imsm(struct supertype
*st
)
710 struct intel_super
*super
= st
->sb
;
720 static int load_super_imsm_all(struct supertype
*st
, int fd
, void **sbp
,
721 char *devname
, int keep_fd
)
724 struct intel_super
*super
;
725 struct mdinfo
*sd
, *best
= NULL
;
732 /* check if this disk is a member of an active array */
733 sra
= sysfs_read(fd
, 0, GET_LEVEL
|GET_VERSION
|GET_DEVS
|GET_STATE
);
737 if (sra
->array
.major_version
!= -1 ||
738 sra
->array
.minor_version
!= -2 ||
739 strcmp(sra
->text_version
, "imsm") != 0)
742 super
= malloc(sizeof(*super
));
746 /* find the most up to date disk in this array */
747 for (sd
= sra
->devs
; sd
; sd
= sd
->next
) {
748 sprintf(nm
, "%d:%d", sd
->disk
.major
, sd
->disk
.minor
);
749 dfd
= dev_open(nm
, keep_fd
? O_RDWR
: O_RDONLY
);
754 rv
= load_imsm_mpb(dfd
, super
, NULL
);
758 gen
= __le32_to_cpu(super
->mpb
->generation_num
);
759 if (!best
|| gen
> bestgen
) {
774 /* load the most up to date anchor */
775 sprintf(nm
, "%d:%d", best
->disk
.major
, best
->disk
.minor
);
776 dfd
= dev_open(nm
, O_RDONLY
);
781 rv
= load_imsm_mpb(dfd
, super
, NULL
);
788 /* reset the disk list */
789 free_imsm_disks(super
);
791 /* populate disk list */
792 for (sd
= sra
->devs
; sd
; sd
= sd
->next
) {
793 sprintf(nm
, "%d:%d", sd
->disk
.major
, sd
->disk
.minor
);
794 dfd
= dev_open(nm
, keep_fd
? O_RDWR
: O_RDONLY
);
799 load_imsm_disk(dfd
, super
, NULL
, keep_fd
);
805 if (st
->ss
== NULL
) {
806 st
->ss
= &super_imsm_container
;
807 st
->minor_version
= 0;
808 st
->max_devs
= IMSM_MAX_DEVICES
;
815 static int load_super_imsm(struct supertype
*st
, int fd
, char *devname
)
817 struct intel_super
*super
;
821 if (load_super_imsm_all(st
, fd
, &st
->sb
, devname
, 0) == 0)
825 super
= malloc(sizeof(*super
));
828 Name
": malloc of %zu failed.\n",
833 rv
= load_imsm_mpb(fd
, super
, devname
);
838 Name
": Failed to load all information "
839 "sections on %s\n", devname
);
845 if (st
->ss
== NULL
) {
846 st
->ss
= &super_imsm
;
847 st
->minor_version
= 0;
848 st
->max_devs
= IMSM_MAX_DEVICES
;
854 static int init_zero_imsm(struct supertype
*st
, mdu_array_info_t
*info
,
855 unsigned long long size
, char *name
,
856 char *homehost
, int *uuid
)
858 printf("%s\n", __FUNCTION__
);
863 static int init_super_imsm(struct supertype
*st
, mdu_array_info_t
*info
,
864 unsigned long long size
, char *name
,
865 char *homehost
, int *uuid
)
867 printf("%s\n", __FUNCTION__
);
872 static int init_super_imsm_raid(struct supertype
*st
, mdu_array_info_t
*info
,
873 unsigned long long size
, char *name
,
874 char *homehost
, int *uuid
)
876 printf("%s\n", __FUNCTION__
);
881 static void add_to_super_imsm(struct supertype
*st
, mdu_disk_info_t
*dinfo
,
882 int fd
, char *devname
)
884 printf("%s\n", __FUNCTION__
);
887 static void add_to_super_imsm_raid(struct supertype
*st
, mdu_disk_info_t
*dinfo
,
888 int fd
, char *devname
)
890 printf("%s\n", __FUNCTION__
);
893 static int write_init_super_imsm(struct supertype
*st
)
895 printf("%s\n", __FUNCTION__
);
900 static int store_zero_imsm(struct supertype
*st
, int fd
)
902 printf("%s\n", __FUNCTION__
);
907 static void getinfo_super_n_container(struct supertype
*st
, struct mdinfo
*info
)
909 printf("%s\n", __FUNCTION__
);
912 static void getinfo_super_n_raid(struct supertype
*st
, struct mdinfo
*info
)
914 printf("%s\n", __FUNCTION__
);
917 static int validate_geometry_imsm(struct supertype
*st
, int level
, int layout
,
918 int raiddisks
, int chunk
, unsigned long long size
,
919 char *subdev
, unsigned long long *freesize
)
921 printf("%s\n", __FUNCTION__
);
926 static int validate_geometry_imsm_container(struct supertype
*st
, int level
,
927 int layout
, int raiddisks
, int chunk
,
928 unsigned long long size
, char *subdev
,
929 unsigned long long *freesize
)
931 printf("%s\n", __FUNCTION__
);
936 static int validate_geometry_imsm_raid(struct supertype
*st
, int level
,
937 int layout
, int raiddisks
, int chunk
,
938 unsigned long long size
, char *subdev
,
939 unsigned long long *freesize
)
941 printf("%s\n", __FUNCTION__
);
948 static struct mdinfo
*container_content_imsm(struct supertype
*st
)
950 printf("%s\n", __FUNCTION__
);
955 struct superswitch super_imsm
= {
957 .examine_super
= examine_super_imsm
,
958 .brief_examine_super
= brief_examine_super_imsm
,
959 .detail_super
= detail_super_imsm
,
960 .brief_detail_super
= brief_detail_super_imsm
,
962 .match_home
= match_home_imsm
,
963 .uuid_from_super
= uuid_from_super_imsm
,
964 .getinfo_super
= getinfo_super_imsm
,
965 .update_super
= update_super_imsm
,
967 .avail_size
= avail_size_imsm
,
969 .compare_super
= compare_super_imsm
,
971 .load_super
= load_super_imsm
,
972 .init_super
= init_zero_imsm
,
973 .store_super
= store_zero_imsm
,
974 .free_super
= free_super_imsm
,
975 .match_metadata_desc
= match_metadata_desc_imsm
,
976 .getinfo_super_n
= getinfo_super_n_container
,
978 .validate_geometry
= validate_geometry_imsm
,
982 .text_version
= "imsm",
985 /* super_imsm_container is set by validate_geometry_imsm when given a
986 * device that is not part of any array
988 struct superswitch super_imsm_container
= {
990 .validate_geometry
= validate_geometry_imsm_container
,
991 .init_super
= init_super_imsm
,
992 .add_to_super
= add_to_super_imsm
,
993 .write_init_super
= write_init_super_imsm
,
994 .getinfo_super
= getinfo_super_imsm
,
995 .getinfo_super_n
= getinfo_super_n_container
,
996 .load_super
= load_super_imsm
,
999 .examine_super
= examine_super_imsm
,
1000 .brief_examine_super
= brief_examine_super_imsm
,
1001 .detail_super
= detail_super_imsm
,
1002 .brief_detail_super
= brief_detail_super_imsm
,
1005 .free_super
= free_super_imsm
,
1007 .container_content
= container_content_imsm
,
1012 .text_version
= "imsm",
1015 struct superswitch super_imsm_raid
= {
1016 .update_super
= update_super_imsm
,
1017 .init_super
= init_super_imsm_raid
,
1018 .add_to_super
= add_to_super_imsm_raid
,
1019 .getinfo_super
= getinfo_super_imsm_raid
,
1020 .getinfo_super_n
= getinfo_super_n_raid
,
1021 .write_init_super
= write_init_super_imsm
,
1023 .load_super
= load_super_imsm
,
1024 .free_super
= free_super_imsm
,
1025 .match_metadata_desc
= match_metadata_desc_imsm_raid
,
1028 .validate_geometry
= validate_geometry_imsm_raid
,
1032 .text_version
= "imsm",