xref: /dragonfly/sys/dev/disk/nata/ata-raid.h (revision eca362d0)
1 /*-
2  * Copyright (c) 2000 - 2006 Søren Schmidt <sos@FreeBSD.org>
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer,
10  *    without modification, immediately at the beginning of the file.
11  * 2. Redistributions in binary form must reproduce the above copyright
12  *    notice, this list of conditions and the following disclaimer in the
13  *    documentation and/or other materials provided with the distribution.
14  *
15  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
16  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
17  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
18  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
19  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
20  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
21  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
22  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
24  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25  *
26  * $FreeBSD: src/sys/dev/ata/ata-raid.h,v 1.44 2006/02/17 13:02:10 sos Exp $
27  */
28 
29 #include <sys/param.h>
30 
31 #include <sys/bus.h>
32 #include <sys/disk.h>
33 #include <sys/proc.h>
34 #include <sys/lock.h>
35 
36 /* misc defines */
37 #define MAX_ARRAYS      16
38 #define MAX_VOLUMES     4
39 #define MAX_DISKS       16
40 #define AR_PROXIMITY    2048    /* how many sectors is "close" */
41 
42 #define ATA_MAGIC       "FreeBSD ATA driver RAID "
43 
44 struct ata_raid_subdisk {
45     struct ar_softc     *raid[MAX_VOLUMES];
46     int                 disk_number[MAX_VOLUMES];
47 };
48 
49 /*  ATA PseudoRAID Metadata */
50 struct ar_softc {
51     int                 lun;
52     u_int8_t            name[32];
53     int                 volume;
54     u_int64_t           magic_0;
55     u_int64_t           magic_1;
56     int                 type;
57 #define AR_T_JBOD               0x0001
58 #define AR_T_SPAN               0x0002
59 #define AR_T_RAID0              0x0004
60 #define AR_T_RAID1              0x0008
61 #define AR_T_RAID01             0x0010
62 #define AR_T_RAID3              0x0020
63 #define AR_T_RAID4              0x0040
64 #define AR_T_RAID5              0x0080
65 
66     int                 status;
67 #define AR_S_READY              0x0001
68 #define AR_S_DEGRADED           0x0002
69 #define AR_S_REBUILDING         0x0004
70 
71     int                 format;
72 #define AR_F_FREEBSD_RAID       0x0001
73 #define AR_F_ADAPTEC_RAID       0x0002
74 #define AR_F_HPTV2_RAID         0x0004
75 #define AR_F_HPTV3_RAID         0x0008
76 #define AR_F_INTEL_RAID         0x0010
77 #define AR_F_ITE_RAID           0x0020
78 #define AR_F_JMICRON_RAID       0x0040
79 #define AR_F_LSIV2_RAID         0x0080
80 #define AR_F_LSIV3_RAID         0x0100
81 #define AR_F_NVIDIA_RAID        0x0200
82 #define AR_F_PROMISE_RAID       0x0400
83 #define AR_F_SII_RAID           0x0800
84 #define AR_F_SIS_RAID           0x1000
85 #define AR_F_VIA_RAID           0x2000
86 #define AR_F_FORMAT_MASK        0x1fff
87 
88     u_int               generation;
89     u_int64_t           total_sectors;
90     u_int64_t           offset_sectors; /* offset from start of disk */
91     u_int16_t           heads;
92     u_int16_t           sectors;
93     u_int32_t           cylinders;
94     u_int               width;          /* array width in disks */
95     u_int               interleave;     /* interleave in sectors */
96     u_int               total_disks;    /* number of disks in this array */
97     struct ar_disk {
98 	device_t        dev;
99 	u_int8_t        serial[16];     /* serial # of physical disk */
100 	u_int64_t       sectors;        /* useable sectors on this disk */
101 	off_t           last_lba;       /* last lba used (for performance) */
102 	u_int           flags;
103 #define AR_DF_PRESENT           0x0001  /* this HW pos has a disk present */
104 #define AR_DF_ASSIGNED          0x0002  /* this HW pos assigned to an array */
105 #define AR_DF_SPARE             0x0004  /* this HW pos is a spare */
106 #define AR_DF_ONLINE            0x0008  /* this HW pos is online and in use */
107 
108     } disks[MAX_DISKS];
109     int                 toggle;         /* performance hack for RAID1's */
110     u_int64_t           rebuild_lba;    /* rebuild progress indicator */
111     struct lock		lock;           /* metadata lock */
112     struct disk		disk;		/* disklabel/slice stuff */
113     struct devstat	devstat;	/* device statistics */
114     cdev_t		cdev;		/* device placeholder */
115     struct proc         *pid;           /* rebuilder process id */
116 };
117 
118 /* Adaptec HostRAID Metadata */
119 #define ADP_LBA(dev) \
120 	(((struct ad_softc *)device_get_ivars(dev))->total_secs - 17)
121 
122 /* note all entries are big endian */
123 struct adaptec_raid_conf {
124     u_int32_t           magic_0;
125 #define ADP_MAGIC_0             0xc4650790
126 
127     u_int32_t           generation;
128     u_int16_t           dummy_0;
129     u_int16_t           total_configs;
130     u_int16_t           dummy_1;
131     u_int16_t           checksum;
132     u_int32_t           dummy_2;
133     u_int32_t           dummy_3;
134     u_int32_t           flags;
135     u_int32_t           timestamp;
136     u_int32_t           dummy_4[4];
137     u_int32_t           dummy_5[4];
138     struct {
139 	u_int16_t       total_disks;
140 	u_int16_t       generation;
141 	u_int32_t       magic_0;
142 	u_int8_t        dummy_0;
143 	u_int8_t        type;
144 #define ADP_T_RAID0             0x00
145 #define ADP_T_RAID1             0x01
146 	u_int8_t        dummy_1;
147 	u_int8_t        flags;
148 
149 	u_int8_t        dummy_2;
150 	u_int8_t        dummy_3;
151 	u_int8_t        dummy_4;
152 	u_int8_t        dummy_5;
153 
154 	u_int32_t       disk_number;
155 	u_int32_t       dummy_6;
156 	u_int32_t       sectors;
157 	u_int16_t       stripe_shift;
158 	u_int16_t       dummy_7;
159 
160 	u_int32_t       dummy_8[4];
161 	u_int8_t        name[16];
162     } configs[127];
163     u_int32_t           dummy_6[13];
164     u_int32_t           magic_1;
165 #define ADP_MAGIC_1             0x9ff85009
166     u_int32_t           dummy_7[3];
167     u_int32_t           magic_2;
168     u_int32_t           dummy_8[46];
169     u_int32_t           magic_3;
170 #define ADP_MAGIC_3             0x4d545044
171     u_int32_t           magic_4;
172 #define ADP_MAGIC_4             0x9ff85009
173     u_int32_t           dummy_9[62];
174 } __packed;
175 
176 
177 /* Highpoint V2 RocketRAID Metadata */
178 #define HPTV2_LBA(dev)  9
179 
180 struct hptv2_raid_conf {
181     int8_t              filler1[32];
182     u_int32_t           magic;
183 #define HPTV2_MAGIC_OK          0x5a7816f0
184 #define HPTV2_MAGIC_BAD         0x5a7816fd
185 
186     u_int32_t           magic_0;
187     u_int32_t           magic_1;
188     u_int32_t           order;
189 #define HPTV2_O_RAID0           0x01
190 #define HPTV2_O_RAID1           0x02
191 #define HPTV2_O_OK              0x04
192 
193     u_int8_t            array_width;
194     u_int8_t            stripe_shift;
195     u_int8_t            type;
196 #define HPTV2_T_RAID0           0x00
197 #define HPTV2_T_RAID1           0x01
198 #define HPTV2_T_RAID01_RAID0    0x02
199 #define HPTV2_T_SPAN            0x03
200 #define HPTV2_T_RAID_3          0x04
201 #define HPTV2_T_RAID_5          0x05
202 #define HPTV2_T_JBOD            0x06
203 #define HPTV2_T_RAID01_RAID1    0x07
204 
205     u_int8_t            disk_number;
206     u_int32_t           total_sectors;
207     u_int32_t           disk_mode;
208     u_int32_t           boot_mode;
209     u_int8_t            boot_disk;
210     u_int8_t            boot_protect;
211     u_int8_t            error_log_entries;
212     u_int8_t            error_log_index;
213     struct {
214 	u_int32_t       timestamp;
215 	u_int8_t        reason;
216 #define HPTV2_R_REMOVED         0xfe
217 #define HPTV2_R_BROKEN          0xff
218 
219 	u_int8_t        disk;
220 	u_int8_t        status;
221 	u_int8_t        sectors;
222 	u_int32_t       lba;
223     } errorlog[32];
224     int8_t              filler2[16];
225     u_int32_t           rebuild_lba;
226     u_int8_t            dummy_1;
227     u_int8_t            name_1[15];
228     u_int8_t            dummy_2;
229     u_int8_t            name_2[15];
230     int8_t              filler3[8];
231 } __packed;
232 
233 
234 /* Highpoint V3 RocketRAID Metadata */
235 #define HPTV3_LBA(dev) \
236 	(((struct ad_softc *)device_get_ivars(dev))->total_secs - 11)
237 
238 struct hptv3_raid_conf {
239     u_int32_t           magic;
240 #define HPTV3_MAGIC             0x5a7816f3
241 
242     u_int32_t           magic_0;
243     u_int8_t            checksum_0;
244     u_int8_t            mode;
245 #define HPTV3_BOOT_MARK         0x01
246 #define HPTV3_USER_MODE         0x02
247 
248     u_int8_t            user_mode;
249     u_int8_t            config_entries;
250     struct {
251 	u_int32_t       total_sectors;
252 	u_int8_t        type;
253 #define HPTV3_T_SPARE           0x00
254 #define HPTV3_T_JBOD            0x03
255 #define HPTV3_T_SPAN            0x04
256 #define HPTV3_T_RAID0           0x05
257 #define HPTV3_T_RAID1           0x06
258 #define HPTV3_T_RAID3           0x07
259 #define HPTV3_T_RAID5           0x08
260 
261 	u_int8_t        total_disks;
262 	u_int8_t        disk_number;
263 	u_int8_t        stripe_shift;
264 	u_int16_t       status;
265 #define HPTV3_T_NEED_REBUILD    0x01
266 #define HPTV3_T_RAID5_FLAG      0x02
267 
268 	u_int16_t       critical_disks;
269 	u_int32_t       rebuild_lba;
270     } __packed configs[2];
271     u_int8_t            name[16];
272     u_int32_t           timestamp;
273     u_int8_t            description[64];
274     u_int8_t            creator[16];
275     u_int8_t            checksum_1;
276     u_int8_t            dummy_0;
277     u_int8_t            dummy_1;
278     u_int8_t            flags;
279 #define HPTV3_T_ENABLE_TCQ      0x01
280 #define HPTV3_T_ENABLE_NCQ      0x02
281 #define HPTV3_T_ENABLE_WCACHE   0x04
282 #define HPTV3_T_ENABLE_RCACHE   0x08
283 
284     struct {
285 	u_int32_t       total_sectors;
286 	u_int32_t       rebuild_lba;
287     } __packed configs_high[2];
288     u_int32_t           filler[87];
289 } __packed;
290 
291 
292 /* Intel MatrixRAID Metadata */
293 #define INTEL_LBA(dev) \
294 	(((struct ad_softc *)device_get_ivars(dev))->total_secs - 3)
295 
296 struct intel_raid_conf {
297     u_int8_t            intel_id[24];
298 #define INTEL_MAGIC             "Intel Raid ISM Cfg Sig. "
299 
300     u_int8_t            version[6];
301 #define INTEL_VERSION_1100      "1.1.00"
302 #define INTEL_VERSION_1201      "1.2.01"
303 #define INTEL_VERSION_1202      "1.2.02"
304 
305     u_int8_t            dummy_0[2];
306     u_int32_t           checksum;
307     u_int32_t           config_size;
308     u_int32_t           config_id;
309     u_int32_t           generation;
310     u_int32_t           dummy_1[2];
311     u_int8_t            total_disks;
312     u_int8_t            total_volumes;
313     u_int8_t            dummy_2[2];
314     u_int32_t           filler_0[39];
315     struct {
316 	u_int8_t        serial[16];
317 	u_int32_t       sectors;
318 	u_int32_t       id;
319 	u_int32_t       flags;
320 #define INTEL_F_SPARE           0x01
321 #define INTEL_F_ASSIGNED        0x02
322 #define INTEL_F_DOWN            0x04
323 #define INTEL_F_ONLINE          0x08
324 
325 	u_int32_t       filler[5];
326     } __packed disk[1];
327     u_int32_t           filler_1[62];
328 } __packed;
329 
330 struct intel_raid_mapping {
331     u_int8_t            name[16];
332     u_int64_t           total_sectors __packed;
333     u_int32_t           state;
334     u_int32_t           reserved;
335     u_int32_t           filler_0[20];
336     u_int32_t           offset;
337     u_int32_t           disk_sectors;
338     u_int32_t           stripe_count;
339     u_int16_t           stripe_sectors;
340     u_int8_t            status;
341 #define INTEL_S_READY           0x00
342 #define INTEL_S_DISABLED        0x01
343 #define INTEL_S_DEGRADED        0x02
344 #define INTEL_S_FAILURE         0x03
345 
346     u_int8_t            type;
347 #define INTEL_T_RAID0           0x00
348 #define INTEL_T_RAID1           0x01
349 #define INTEL_T_RAID5           0x05
350 
351     u_int8_t            total_disks;
352     u_int8_t            magic[3];
353     u_int32_t           filler_1[7];
354     u_int32_t           disk_idx[1];
355 } __packed;
356 
357 
358 /* Integrated Technology Express Metadata */
359 #define ITE_LBA(dev) \
360 	(((struct ad_softc *)device_get_ivars(dev))->total_secs - 2)
361 
362 struct ite_raid_conf {
363     u_int32_t           filler_1[5];
364     u_int8_t            timestamp_0[8];
365     u_int32_t           dummy_1;
366     u_int32_t           filler_2[5];
367     u_int16_t           filler_3;
368     u_int8_t            ite_id[40];
369 #define ITE_MAGIC               "Integrated Technology Express Inc      "
370 
371     u_int16_t           filler_4;
372     u_int32_t           filler_5[6];
373     u_int32_t           dummy_2;
374     u_int32_t           dummy_3;
375     u_int32_t           filler_6[12];
376     u_int32_t           dummy_4;
377     u_int32_t           filler_7[5];
378     u_int64_t           total_sectors __packed;
379     u_int32_t           filler_8[12];
380 
381     u_int16_t           filler_9;
382     u_int8_t            type;
383 #define ITE_T_RAID0             0x00
384 #define ITE_T_RAID1             0x01
385 #define ITE_T_RAID01            0x02
386 #define ITE_T_SPAN              0x03
387 
388     u_int8_t            filler_10;
389     u_int32_t           dummy_5[8];
390     u_int8_t            stripe_1kblocks;
391     u_int8_t            filler_11[3];
392     u_int32_t           filler_12[54];
393 
394     u_int32_t           dummy_6[4];
395     u_int8_t            timestamp_1[8];
396     u_int32_t           filler_13[9];
397     u_int8_t            stripe_sectors;
398     u_int8_t            filler_14[3];
399     u_int8_t            array_width;
400     u_int8_t            filler_15[3];
401     u_int32_t           filler_16;
402     u_int8_t            filler_17;
403     u_int8_t            disk_number;
404     u_int32_t           disk_sectors;
405     u_int16_t           filler_18;
406     u_int32_t           dummy_7[4];
407     u_int32_t           filler_20[104];
408 } __packed;
409 
410 
411 /* JMicron Technology Corp Metadata */
412 #define JMICRON_LBA(dev) \
413 	(((struct ad_softc *)device_get_ivars(dev))->total_secs - 1)
414 #define	JM_MAX_DISKS		8
415 
416 struct jmicron_raid_conf {
417     u_int8_t            signature[2];
418 #define JMICRON_MAGIC		"JM"
419 
420     u_int16_t           version;
421 #define JMICRON_VERSION		0x0001
422 
423     u_int16_t           checksum;
424     u_int8_t		filler_1[10];
425     u_int32_t           disk_id;
426     u_int32_t           offset;
427     u_int32_t           disk_sectors_high;
428     u_int16_t           disk_sectors_low;
429     u_int8_t		filler_2[2];
430     u_int8_t            name[16];
431     u_int8_t            type;
432 #define	JM_T_RAID0		0
433 #define	JM_T_RAID1		1
434 #define	JM_T_RAID01		2
435 #define	JM_T_JBOD		3
436 #define	JM_T_RAID5		5
437 
438     u_int8_t            stripe_shift;
439     u_int16_t           flags;
440 #define	JM_F_READY		0x0001
441 #define JM_F_BOOTABLE		0x0002
442 #define JM_F_BAD		0x0004
443 #define JM_F_ACTIVE		0c0010
444 #define JM_F_UNSYNC		0c0020
445 #define JM_F_NEWEST		0c0040
446 
447     u_int8_t		filler_3[4];
448     u_int32_t           spare[2];
449     u_int32_t           disks[JM_MAX_DISKS];
450     u_int8_t		filler_4[32];
451     u_int8_t		filler_5[384];
452 };
453 
454 
455 /* LSILogic V2 MegaRAID Metadata */
456 #define LSIV2_LBA(dev) \
457 	(((struct ad_softc *)device_get_ivars(dev))->total_secs - 1)
458 
459 struct lsiv2_raid_conf {
460     u_int8_t            lsi_id[6];
461 #define LSIV2_MAGIC             "$XIDE$"
462 
463     u_int8_t            dummy_0;
464     u_int8_t            flags;
465     u_int16_t           version;
466     u_int8_t            config_entries;
467     u_int8_t            raid_count;
468     u_int8_t            total_disks;
469     u_int8_t            dummy_1;
470     u_int16_t           dummy_2;
471 
472     union {
473 	struct {
474 	    u_int8_t    type;
475 #define LSIV2_T_RAID0           0x01
476 #define LSIV2_T_RAID1           0x02
477 #define LSIV2_T_SPARE           0x08
478 
479 	    u_int8_t    dummy_0;
480 	    u_int16_t   stripe_sectors;
481 	    u_int8_t    array_width;
482 	    u_int8_t    disk_count;
483 	    u_int8_t    config_offset;
484 	    u_int8_t    dummy_1;
485 	    u_int8_t    flags;
486 #define LSIV2_R_DEGRADED        0x02
487 
488 	    u_int32_t   total_sectors;
489 	    u_int8_t    filler[3];
490 	} __packed raid;
491 	struct {
492 	    u_int8_t    device;
493 #define LSIV2_D_MASTER          0x00
494 #define LSIV2_D_SLAVE           0x01
495 #define LSIV2_D_CHANNEL0        0x00
496 #define LSIV2_D_CHANNEL1        0x10
497 #define LSIV2_D_NONE            0xff
498 
499 	    u_int8_t    dummy_0;
500 	    u_int32_t   disk_sectors;
501 	    u_int8_t    disk_number;
502 	    u_int8_t    raid_number;
503 	    u_int8_t    flags;
504 #define LSIV2_D_GONE            0x02
505 
506 	    u_int8_t    filler[7];
507 	} __packed disk;
508     } configs[30];
509     u_int8_t            disk_number;
510     u_int8_t            raid_number;
511     u_int32_t           timestamp;
512     u_int8_t            filler[10];
513 } __packed;
514 
515 
516 /* LSILogic V3 MegaRAID Metadata */
517 #define LSIV3_LBA(dev) \
518 	(((struct ad_softc *)device_get_ivars(dev))->total_secs - 4)
519 
520 struct lsiv3_raid_conf {
521     u_int32_t           magic_0;        /* 0xa0203200 */
522     u_int32_t           filler_0[3];
523     u_int8_t            magic_1[4];     /* "SATA" */
524     u_int32_t           filler_1[40];
525     u_int32_t           dummy_0;        /* 0x0d000003 */
526     u_int32_t           filler_2[7];
527     u_int32_t           dummy_1;        /* 0x0d000003 */
528     u_int32_t           filler_3[70];
529     u_int8_t            magic_2[8];     /* "$_ENQ$31" */
530     u_int8_t            filler_4[7];
531     u_int8_t            checksum_0;
532     u_int8_t            filler_5[512*2];
533     u_int8_t            lsi_id[6];
534 #define LSIV3_MAGIC             "$_IDE$"
535 
536     u_int16_t           dummy_2;        /* 0x33de for OK disk */
537     u_int16_t           version;        /* 0x0131 for this version */
538     u_int16_t           dummy_3;        /* 0x0440 always */
539     u_int32_t           filler_6;
540 
541     struct {
542 	u_int16_t       stripe_pages;
543 	u_int8_t        type;
544 #define LSIV3_T_RAID0           0x00
545 #define LSIV3_T_RAID1           0x01
546 
547 	u_int8_t        dummy_0;
548 	u_int8_t        total_disks;
549 	u_int8_t        array_width;
550 	u_int8_t        filler_0[10];
551 
552 	u_int32_t       sectors;
553 	u_int16_t       dummy_1;
554 	u_int32_t       offset;
555 	u_int16_t       dummy_2;
556 	u_int8_t        device;
557 #define LSIV3_D_DEVICE          0x01
558 #define LSIV3_D_CHANNEL         0x10
559 
560 	u_int8_t        dummy_3;
561 	u_int8_t        dummy_4;
562 	u_int8_t        dummy_5;
563 	u_int8_t        filler_1[16];
564     } __packed raid[8];
565     struct {
566 	u_int32_t       disk_sectors;
567 	u_int32_t       dummy_0;
568 	u_int32_t       dummy_1;
569 	u_int8_t        dummy_2;
570 	u_int8_t        dummy_3;
571 	u_int8_t        flags;
572 #define LSIV3_D_MIRROR          0x00
573 #define LSIV3_D_STRIPE          0xff
574 	u_int8_t        dummy_4;
575     } __packed disk[6];
576     u_int8_t            filler_7[7];
577     u_int8_t            device;
578     u_int32_t           timestamp;
579     u_int8_t            filler_8[3];
580     u_int8_t            checksum_1;
581 } __packed;
582 
583 
584 /* nVidia MediaShield Metadata */
585 #define NVIDIA_LBA(dev) \
586 	(((struct ad_softc *)device_get_ivars(dev))->total_secs - 2)
587 
588 struct nvidia_raid_conf {
589     u_int8_t            nvidia_id[8];
590 #define NV_MAGIC                "NVIDIA  "
591 
592     u_int32_t           config_size;
593     u_int32_t           checksum;
594     u_int16_t           version;
595     u_int8_t            disk_number;
596     u_int8_t            dummy_0;
597     u_int32_t           total_sectors;
598     u_int32_t           sector_size;
599     u_int8_t            serial[16];
600     u_int8_t            revision[4];
601     u_int32_t           dummy_1;
602 
603     u_int32_t           magic_0;
604 #define NV_MAGIC0               0x00640044
605 
606     u_int64_t           magic_1;
607     u_int64_t           magic_2;
608     u_int8_t            flags;
609     u_int8_t            array_width;
610     u_int8_t            total_disks;
611     u_int8_t            dummy_2;
612     u_int16_t           type;
613 #define NV_T_RAID0              0x00000080
614 #define NV_T_RAID1              0x00000081
615 #define NV_T_RAID3              0x00000083
616 #define NV_T_RAID5              0x00000085
617 #define NV_T_RAID01             0x00008180
618 #define NV_T_SPAN               0x000000ff
619 
620     u_int16_t           dummy_3;
621     u_int32_t           stripe_sectors;
622     u_int32_t           stripe_bytes;
623     u_int32_t           stripe_shift;
624     u_int32_t           stripe_mask;
625     u_int32_t           stripe_sizesectors;
626     u_int32_t           stripe_sizebytes;
627     u_int32_t           rebuild_lba;
628     u_int32_t           dummy_4;
629     u_int32_t           dummy_5;
630     u_int32_t           status;
631 #define NV_S_BOOTABLE           0x00000001
632 #define NV_S_DEGRADED           0x00000002
633 
634     u_int32_t           filler[98];
635 } __packed;
636 
637 
638 /* Promise FastTrak Metadata */
639 #define PROMISE_LBA(dev) \
640 	(((((struct ad_softc *)device_get_ivars(dev))->total_secs / (((struct ad_softc *)device_get_ivars(dev))->heads * ((struct ad_softc *)device_get_ivars(dev))->sectors)) * ((struct ad_softc *)device_get_ivars(dev))->heads * ((struct ad_softc *)device_get_ivars(dev))->sectors) - ((struct ad_softc *)device_get_ivars(dev))->sectors)
641 
642 struct promise_raid_conf {
643     char                promise_id[24];
644 #define PR_MAGIC                "Promise Technology, Inc."
645 
646     u_int32_t           dummy_0;
647     u_int64_t           magic_0;
648 #define PR_MAGIC0(x)            (((u_int64_t)(x.channel) << 48) | \
649 				((u_int64_t)(x.device != 0) << 56))
650     u_int16_t           magic_1;
651     u_int32_t           magic_2;
652     u_int8_t            filler1[470];
653     struct {
654 	u_int32_t       integrity;
655 #define PR_I_VALID              0x00000080
656 
657 	u_int8_t        flags;
658 #define PR_F_VALID              0x00000001
659 #define PR_F_ONLINE             0x00000002
660 #define PR_F_ASSIGNED           0x00000004
661 #define PR_F_SPARE              0x00000008
662 #define PR_F_DUPLICATE          0x00000010
663 #define PR_F_REDIR              0x00000020
664 #define PR_F_DOWN               0x00000040
665 #define PR_F_READY              0x00000080
666 
667 	u_int8_t        disk_number;
668 	u_int8_t        channel;
669 	u_int8_t        device;
670 	u_int64_t       magic_0 __packed;
671 	u_int32_t       disk_offset;
672 	u_int32_t       disk_sectors;
673 	u_int32_t       rebuild_lba;
674 	u_int16_t       generation;
675 	u_int8_t        status;
676 #define PR_S_VALID              0x01
677 #define PR_S_ONLINE             0x02
678 #define PR_S_INITED             0x04
679 #define PR_S_READY              0x08
680 #define PR_S_DEGRADED           0x10
681 #define PR_S_MARKED             0x20
682 #define PR_S_FUNCTIONAL         0x80
683 
684 	u_int8_t        type;
685 #define PR_T_RAID0              0x00
686 #define PR_T_RAID1              0x01
687 #define PR_T_RAID3              0x02
688 #define PR_T_RAID5              0x04
689 #define PR_T_SPAN               0x08
690 #define PR_T_JBOD               0x10
691 
692 	u_int8_t        total_disks;
693 	u_int8_t        stripe_shift;
694 	u_int8_t        array_width;
695 	u_int8_t        array_number;
696 	u_int32_t       total_sectors;
697 	u_int16_t       cylinders;
698 	u_int8_t        heads;
699 	u_int8_t        sectors;
700 	u_int64_t       magic_1 __packed;
701 	struct {
702 	    u_int8_t    flags;
703 	    u_int8_t    dummy_0;
704 	    u_int8_t    channel;
705 	    u_int8_t    device;
706 	    u_int64_t   magic_0 __packed;
707 	} disk[8];
708     } raid;
709     int32_t             filler2[346];
710     u_int32_t           checksum;
711 } __packed;
712 
713 
714 /* Silicon Image Medley Metadata */
715 #define SII_LBA(dev) \
716 	( ((struct ad_softc *)device_get_ivars(dev))->total_secs - 1)
717 
718 struct sii_raid_conf {
719     u_int16_t           ata_params_00_53[54];
720     u_int64_t           total_sectors;
721     u_int16_t           ata_params_58_79[70];
722     u_int16_t           dummy_0;
723     u_int16_t           dummy_1;
724     u_int32_t           controller_pci_id;
725     u_int16_t           version_minor;
726     u_int16_t           version_major;
727     u_int8_t            timestamp[6];
728     u_int16_t           stripe_sectors;
729     u_int16_t           dummy_2;
730     u_int8_t            disk_number;
731     u_int8_t            type;
732 #define SII_T_RAID0             0x00
733 #define SII_T_RAID1             0x01
734 #define SII_T_RAID01            0x02
735 #define SII_T_SPARE             0x03
736 
737     u_int8_t            raid0_disks;
738     u_int8_t            raid0_ident;
739     u_int8_t            raid1_disks;
740     u_int8_t            raid1_ident;
741     u_int64_t           rebuild_lba;
742     u_int32_t           generation;
743     u_int8_t            status;
744 #define SII_S_READY             0x01
745 
746     u_int8_t            base_raid1_position;
747     u_int8_t            base_raid0_position;
748     u_int8_t            position;
749     u_int16_t           dummy_3;
750     u_int8_t            name[16];
751     u_int16_t           checksum_0;
752     int8_t              filler1[190];
753     u_int16_t           checksum_1;
754 } __packed;
755 
756 
757 /* Silicon Integrated Systems RAID Metadata */
758 #define SIS_LBA(dev) \
759 	( ((struct ad_softc *)device_get_ivars(dev))->total_secs - 16)
760 
761 struct sis_raid_conf {
762     u_int16_t           magic;
763 #define SIS_MAGIC               0x0010
764 
765     u_int8_t            disks;
766 #define SIS_D_MASTER            0xf0
767 #define SIS_D_MIRROR            0x0f
768 
769     u_int8_t            type_total_disks;
770 #define SIS_D_MASK              0x0f
771 #define SIS_T_MASK              0xf0
772 #define SIS_T_JBOD              0x10
773 #define SIS_T_RAID0             0x20
774 #define SIS_T_RAID1             0x30
775 
776     u_int32_t           dummy_0;
777     u_int32_t           controller_pci_id;
778     u_int16_t           stripe_sectors;
779     u_int16_t           dummy_1;
780     u_int32_t           timestamp;
781     u_int8_t            model[40];
782     u_int8_t            disk_number;
783     u_int8_t            dummy_2[3];
784     int8_t              filler1[448];
785 } __packed;
786 
787 
788 /* VIA Tech V-RAID Metadata */
789 #define VIA_LBA(dev) \
790 	( ((struct ad_softc *)device_get_ivars(dev))->total_secs - 1)
791 
792 struct via_raid_conf {
793     u_int16_t           magic;
794 #define VIA_MAGIC               0xaa55
795 
796     u_int8_t            dummy_0;
797     u_int8_t            type;
798 #define VIA_T_MASK              0x7e
799 #define VIA_T_BOOTABLE          0x01
800 #define VIA_T_RAID0             0x04
801 #define VIA_T_RAID1             0x0c
802 #define VIA_T_RAID01            0x4c
803 #define VIA_T_RAID5             0x2c
804 #define VIA_T_SPAN              0x44
805 #define VIA_T_UNKNOWN           0x80
806 
807     u_int8_t            disk_index;
808 #define VIA_D_MASK              0x0f
809 #define VIA_D_DEGRADED          0x10
810 #define VIA_D_HIGH_IDX          0x20
811 
812     u_int8_t            stripe_layout;
813 #define VIA_L_DISKS             0x07
814 #define VIA_L_MASK              0xf0
815 #define VIA_L_SHIFT             4
816 
817     u_int64_t           disk_sectors;
818     u_int32_t           disk_id;
819     u_int32_t           disks[8];
820     u_int8_t            checksum;
821     u_int8_t            filler_1[461];
822 } __packed;
823