1/*-
2 * Copyright (c) 2008 Yahoo!, Inc.
3 * All rights reserved.
4 * Written by: John Baldwin <jhb@FreeBSD.org>
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 *    notice, this list of conditions and the following disclaimer.
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 * 3. Neither the name of the author nor the names of any co-contributors
15 *    may be used to endorse or promote products derived from this software
16 *    without specific prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28 * SUCH DAMAGE.
29 */
30
31#include <sys/cdefs.h>
32__RCSID("$FreeBSD: stable/11/usr.sbin/mptutil/mpt_config.c 332603 2018-04-16 16:24:36Z asomers $");
33
34#include <sys/param.h>
35#include <sys/errno.h>
36#include <err.h>
37#include <fcntl.h>
38#include <libutil.h>
39#include <paths.h>
40#ifdef DEBUG
41#include <stdint.h>
42#endif
43#include <stdio.h>
44#include <stdlib.h>
45#include <string.h>
46#include <unistd.h>
47#include "mptutil.h"
48
49#ifdef DEBUG
50static void	dump_config(CONFIG_PAGE_RAID_VOL_0 *vol);
51#endif
52
53static long
54dehumanize(const char *value)
55{
56        char    *vtp;
57        long    iv;
58
59        if (value == NULL)
60                return (0);
61        iv = strtoq(value, &vtp, 0);
62        if (vtp == value || (vtp[0] != '\0' && vtp[1] != '\0')) {
63                return (0);
64        }
65        switch (vtp[0]) {
66        case 't': case 'T':
67                iv *= 1024;
68                /* FALLTHROUGH */
69        case 'g': case 'G':
70                iv *= 1024;
71                /* FALLTHROUGH */
72        case 'm': case 'M':
73                iv *= 1024;
74                /* FALLTHROUGH */
75        case 'k': case 'K':
76                iv *= 1024;
77                /* FALLTHROUGH */
78        case '\0':
79                break;
80        default:
81                return (0);
82        }
83        return (iv);
84}
85
86/*
87 * Lock the volume by opening its /dev device read/write.  This will
88 * only work if nothing else has it opened (including mounts).  We
89 * leak the fd on purpose since this application is not long-running.
90 */
91int
92mpt_lock_volume(U8 VolumeBus, U8 VolumeID)
93{
94	char path[MAXPATHLEN];
95	struct mpt_query_disk qd;
96	int error, vfd;
97
98	error = mpt_query_disk(VolumeBus, VolumeID, &qd);
99	if (error == ENOENT)
100		/*
101		 * This means there isn't a CAM device associated with
102		 * the volume, and thus it is already implicitly
103		 * locked, so just return.
104		 */
105		return (0);
106	if (error) {
107		warnc(error, "Unable to lookup volume device name");
108		return (error);
109	}
110	snprintf(path, sizeof(path), "%s%s", _PATH_DEV, qd.devname);
111	vfd = open(path, O_RDWR);
112	if (vfd < 0) {
113		error = errno;
114		warn("Unable to lock volume %s", qd.devname);
115		return (error);
116	}
117	return (0);
118}
119
120static int
121mpt_lock_physdisk(struct mpt_standalone_disk *disk)
122{
123	char path[MAXPATHLEN];
124	int dfd, error;
125
126	snprintf(path, sizeof(path), "%s%s", _PATH_DEV, disk->devname);
127	dfd = open(path, O_RDWR);
128	if (dfd < 0) {
129		error = errno;
130		warn("Unable to lock disk %s", disk->devname);
131		return (error);
132	}
133	return (0);
134}
135
136static int
137mpt_lookup_standalone_disk(const char *name, struct mpt_standalone_disk *disks,
138    int ndisks, int *index)
139{
140	char *cp;
141	long bus, id;
142	int i;
143
144	/* Check for a raw <bus>:<id> string. */
145	bus = strtol(name, &cp, 0);
146	if (*cp == ':') {
147		id = strtol(cp + 1, &cp, 0);
148		if (*cp == '\0') {
149			if (bus < 0 || bus > 0xff || id < 0 || id > 0xff) {
150				return (EINVAL);
151			}
152			for (i = 0; i < ndisks; i++) {
153				if (disks[i].bus == (U8)bus &&
154				    disks[i].target == (U8)id) {
155					*index = i;
156					return (0);
157				}
158			}
159			return (ENOENT);
160		}
161	}
162
163	if (name[0] == 'd' && name[1] == 'a') {
164		for (i = 0; i < ndisks; i++) {
165			if (strcmp(name, disks[i].devname) == 0) {
166				*index = i;
167				return (0);
168			}
169		}
170		return (ENOENT);
171	}
172
173	return (EINVAL);
174}
175
176/*
177 * Mark a standalone disk as being a physical disk.
178 */
179static int
180mpt_create_physdisk(int fd, struct mpt_standalone_disk *disk, U8 *PhysDiskNum)
181{
182	CONFIG_PAGE_HEADER header;
183	CONFIG_PAGE_RAID_PHYS_DISK_0 *config_page;
184	int error;
185	U32 ActionData;
186
187	error = mpt_read_config_page_header(fd, MPI_CONFIG_PAGETYPE_RAID_PHYSDISK,
188	    0, 0, &header, NULL);
189	if (error)
190		return (error);
191	if (header.PageVersion > MPI_RAIDPHYSDISKPAGE0_PAGEVERSION) {
192		warnx("Unsupported RAID physdisk page 0 version %d",
193		    header.PageVersion);
194		return (EOPNOTSUPP);
195	}
196	config_page = calloc(1, sizeof(CONFIG_PAGE_RAID_PHYS_DISK_0));
197	config_page->Header.PageType = MPI_CONFIG_PAGETYPE_RAID_PHYSDISK;
198	config_page->Header.PageNumber = 0;
199	config_page->Header.PageLength = sizeof(CONFIG_PAGE_RAID_PHYS_DISK_0) /
200	    4;
201	config_page->PhysDiskIOC = 0;	/* XXX */
202	config_page->PhysDiskBus = disk->bus;
203	config_page->PhysDiskID = disk->target;
204
205	/* XXX: Enclosure info for PhysDiskSettings? */
206	error = mpt_raid_action(fd, MPI_RAID_ACTION_CREATE_PHYSDISK, 0, 0, 0, 0,
207	    config_page, sizeof(CONFIG_PAGE_RAID_PHYS_DISK_0), NULL,
208	    &ActionData, sizeof(ActionData), NULL, NULL, 1);
209	if (error)
210		return (error);
211	*PhysDiskNum = ActionData & 0xff;
212	return (0);
213}
214
215static int
216mpt_delete_physdisk(int fd, U8 PhysDiskNum)
217{
218
219	return (mpt_raid_action(fd, MPI_RAID_ACTION_DELETE_PHYSDISK, 0, 0,
220	    PhysDiskNum, 0, NULL, 0, NULL, NULL, 0, NULL, NULL, 0));
221}
222
223/*
224 * MPT's firmware does not have a clear command.  Instead, we
225 * implement it by deleting each array and disk by hand.
226 */
227static int
228clear_config(int ac, char **av)
229{
230	CONFIG_PAGE_IOC_2 *ioc2;
231	CONFIG_PAGE_IOC_2_RAID_VOL *vol;
232	CONFIG_PAGE_IOC_3 *ioc3;
233	IOC_3_PHYS_DISK *disk;
234	CONFIG_PAGE_IOC_5 *ioc5;
235	IOC_5_HOT_SPARE *spare;
236	int ch, error, fd, i;
237
238	fd = mpt_open(mpt_unit);
239	if (fd < 0) {
240		error = errno;
241		warn("mpt_open");
242		return (error);
243	}
244
245	ioc2 = mpt_read_ioc_page(fd, 2, NULL);
246	if (ioc2 == NULL) {
247		error = errno;
248		warn("Failed to fetch volume list");
249		close(fd);
250		return (error);
251	}
252
253	/* Lock all the volumes first. */
254	vol = ioc2->RaidVolume;
255	for (i = 0; i < ioc2->NumActiveVolumes; vol++, i++) {
256		if (mpt_lock_volume(vol->VolumeBus, vol->VolumeID) < 0) {
257			warnx("Volume %s is busy and cannot be deleted",
258			    mpt_volume_name(vol->VolumeBus, vol->VolumeID));
259			free(ioc2);
260			close(fd);
261			return (EBUSY);
262		}
263	}
264
265	printf(
266	    "Are you sure you wish to clear the configuration on mpt%u? [y/N] ",
267	    mpt_unit);
268	ch = getchar();
269	if (ch != 'y' && ch != 'Y') {
270		printf("\nAborting\n");
271		free(ioc2);
272		close(fd);
273		return (0);
274	}
275
276	/* Delete all the volumes. */
277	vol = ioc2->RaidVolume;
278	for (i = 0; i < ioc2->NumActiveVolumes; vol++, i++) {
279		error = mpt_raid_action(fd, MPI_RAID_ACTION_DELETE_VOLUME,
280		    vol->VolumeBus, vol->VolumeID, 0,
281		    MPI_RAID_ACTION_ADATA_DEL_PHYS_DISKS |
282		    MPI_RAID_ACTION_ADATA_ZERO_LBA0, NULL, 0, NULL, NULL, 0,
283		    NULL, NULL, 0);
284		if (error)
285			warnc(error, "Failed to delete volume %s",
286			    mpt_volume_name(vol->VolumeBus, vol->VolumeID));
287	}
288	free(ioc2);
289
290	/* Delete all the spares. */
291	ioc5 = mpt_read_ioc_page(fd, 5, NULL);
292	if (ioc5 == NULL)
293		warn("Failed to fetch spare list");
294	else {
295		spare = ioc5->HotSpare;
296		for (i = 0; i < ioc5->NumHotSpares; spare++, i++)
297			if (mpt_delete_physdisk(fd, spare->PhysDiskNum) < 0)
298				warn("Failed to delete physical disk %d",
299				    spare->PhysDiskNum);
300		free(ioc5);
301	}
302
303	/* Delete any RAID physdisks that may be left. */
304	ioc3 = mpt_read_ioc_page(fd, 3, NULL);
305	if (ioc3 == NULL)
306		warn("Failed to fetch drive list");
307	else {
308		disk = ioc3->PhysDisk;
309		for (i = 0; i < ioc3->NumPhysDisks; disk++, i++)
310			if (mpt_delete_physdisk(fd, disk->PhysDiskNum) < 0)
311				warn("Failed to delete physical disk %d",
312				    disk->PhysDiskNum);
313		free(ioc3);
314	}
315
316	printf("mpt%d: Configuration cleared\n", mpt_unit);
317	mpt_rescan_bus(-1, -1);
318	close(fd);
319
320	return (0);
321}
322MPT_COMMAND(top, clear, clear_config);
323
324#define	RT_RAID0	0
325#define	RT_RAID1	1
326#define	RT_RAID1E	2
327
328static struct raid_type_entry {
329	const char *name;
330	int	raid_type;
331} raid_type_table[] = {
332	{ "raid0",	RT_RAID0 },
333	{ "raid-0",	RT_RAID0 },
334	{ "raid1",	RT_RAID1 },
335	{ "raid-1",	RT_RAID1 },
336	{ "mirror",	RT_RAID1 },
337	{ "raid1e",	RT_RAID1E },
338	{ "raid-1e",	RT_RAID1E },
339	{ NULL,		0 },
340};
341
342struct config_id_state {
343	struct mpt_standalone_disk *sdisks;
344	struct mpt_drive_list *list;
345	CONFIG_PAGE_IOC_2 *ioc2;
346	U8	target_id;
347	int	nsdisks;
348};
349
350struct drive_info {
351	CONFIG_PAGE_RAID_PHYS_DISK_0 *info;
352	struct mpt_standalone_disk *sdisk;
353};
354
355struct volume_info {
356	int	drive_count;
357	struct drive_info *drives;
358};
359
360/* Parse a comma-separated list of drives for a volume. */
361static int
362parse_volume(int fd, int raid_type, struct config_id_state *state,
363    char *volume_str, struct volume_info *info)
364{
365	struct drive_info *dinfo;
366	U8 PhysDiskNum;
367	char *cp;
368	int count, error, i;
369
370	cp = volume_str;
371	for (count = 0; cp != NULL; count++) {
372		cp = strchr(cp, ',');
373		if (cp != NULL) {
374			cp++;
375			if (*cp == ',') {
376				warnx("Invalid drive list '%s'", volume_str);
377				return (EINVAL);
378			}
379		}
380	}
381
382	/* Validate the number of drives for this volume. */
383	switch (raid_type) {
384	case RT_RAID0:
385		if (count < 2) {
386			warnx("RAID0 requires at least 2 drives in each "
387			    "array");
388			return (EINVAL);
389		}
390		break;
391	case RT_RAID1:
392		if (count != 2) {
393			warnx("RAID1 requires exactly 2 drives in each "
394			    "array");
395			return (EINVAL);
396		}
397		break;
398	case RT_RAID1E:
399		if (count < 3) {
400			warnx("RAID1E requires at least 3 drives in each "
401			    "array");
402			return (EINVAL);
403		}
404		break;
405	}
406
407	/* Validate each drive. */
408	info->drives = calloc(count, sizeof(struct drive_info));
409	info->drive_count = count;
410	for (dinfo = info->drives; (cp = strsep(&volume_str, ",")) != NULL;
411	     dinfo++) {
412		/* If this drive is already a RAID phys just fetch the info. */
413		error = mpt_lookup_drive(state->list, cp, &PhysDiskNum);
414		if (error == 0) {
415			dinfo->info = mpt_pd_info(fd, PhysDiskNum, NULL);
416			if (dinfo->info == NULL)
417				return (errno);
418			continue;
419		}
420
421		/* See if it is a standalone disk. */
422		if (mpt_lookup_standalone_disk(cp, state->sdisks,
423		    state->nsdisks, &i) < 0) {
424			error = errno;
425			warn("Unable to lookup drive %s", cp);
426			return (error);
427		}
428		dinfo->sdisk = &state->sdisks[i];
429
430		/* Lock the disk, we will create phys disk pages later. */
431		if (mpt_lock_physdisk(dinfo->sdisk) < 0)
432			return (errno);
433	}
434
435	return (0);
436}
437
438/*
439 * Add RAID physdisk pages for any standalone disks that a volume is
440 * going to use.
441 */
442static int
443add_drives(int fd, struct volume_info *info, int verbose)
444{
445	struct drive_info *dinfo;
446	U8 PhysDiskNum;
447	int error, i;
448
449	for (i = 0, dinfo = info->drives; i < info->drive_count;
450	     i++, dinfo++) {
451		if (dinfo->info == NULL) {
452			if (mpt_create_physdisk(fd, dinfo->sdisk,
453			    &PhysDiskNum) < 0) {
454				error = errno;
455				warn(
456			    "Failed to create physical disk page for %s",
457				    dinfo->sdisk->devname);
458				return (error);
459			}
460			if (verbose)
461				printf("Added drive %s with PhysDiskNum %u\n",
462				    dinfo->sdisk->devname, PhysDiskNum);
463
464			dinfo->info = mpt_pd_info(fd, PhysDiskNum, NULL);
465			if (dinfo->info == NULL)
466				return (errno);
467		}
468	}
469	return (0);
470}
471
472/*
473 * Find the next free target ID assuming that 'target_id' is the last
474 * one used.  'target_id' should be 0xff for the initial test.
475 */
476static U8
477find_next_volume(struct config_id_state *state)
478{
479	CONFIG_PAGE_IOC_2_RAID_VOL *vol;
480	int i;
481
482restart:
483	/* Assume the current one is used. */
484	state->target_id++;
485
486	/* Search drives first. */
487	for (i = 0; i < state->nsdisks; i++)
488		if (state->sdisks[i].target == state->target_id)
489			goto restart;
490	for (i = 0; i < state->list->ndrives; i++)
491		if (state->list->drives[i]->PhysDiskID == state->target_id)
492			goto restart;
493
494	/* Search volumes second. */
495	vol = state->ioc2->RaidVolume;
496	for (i = 0; i < state->ioc2->NumActiveVolumes; vol++, i++)
497		if (vol->VolumeID == state->target_id)
498			goto restart;
499
500	return (state->target_id);
501}
502
503/* Create a volume and populate it with drives. */
504static CONFIG_PAGE_RAID_VOL_0 *
505build_volume(int fd, struct volume_info *info, int raid_type, long stripe_size,
506    struct config_id_state *state, int verbose)
507{
508	CONFIG_PAGE_HEADER header;
509	CONFIG_PAGE_RAID_VOL_0 *vol;
510	RAID_VOL0_PHYS_DISK *rdisk;
511	struct drive_info *dinfo;
512        U32 MinLBA;
513	uint64_t MaxLBA;
514	size_t page_size;
515	int error, i;
516
517	error = mpt_read_config_page_header(fd, MPI_CONFIG_PAGETYPE_RAID_VOLUME,
518	    0, 0, &header, NULL);
519	if (error) {
520		errno = error;
521		return (NULL);
522	}
523	if (header.PageVersion > MPI_RAIDVOLPAGE0_PAGEVERSION) {
524		warnx("Unsupported RAID volume page 0 version %d",
525		    header.PageVersion);
526		errno = EOPNOTSUPP;
527		return (NULL);
528	}
529	page_size = sizeof(CONFIG_PAGE_RAID_VOL_0) +
530	    sizeof(RAID_VOL0_PHYS_DISK) * (info->drive_count - 1);
531	vol = calloc(1, page_size);
532	if (vol == NULL)
533		return (NULL);
534
535	/* Header */
536	vol->Header.PageType = MPI_CONFIG_PAGETYPE_RAID_VOLUME;
537	vol->Header.PageNumber = 0;
538	vol->Header.PageLength = page_size / 4;
539
540	/* Properties */
541	vol->VolumeID = find_next_volume(state);
542	vol->VolumeBus = 0;
543	vol->VolumeIOC = 0;	/* XXX */
544	vol->VolumeStatus.Flags = MPI_RAIDVOL0_STATUS_FLAG_ENABLED;
545	vol->VolumeStatus.State = MPI_RAIDVOL0_STATUS_STATE_OPTIMAL;
546	vol->VolumeSettings.Settings = MPI_RAIDVOL0_SETTING_USE_DEFAULTS;
547	vol->VolumeSettings.HotSparePool = MPI_RAID_HOT_SPARE_POOL_0;
548	vol->NumPhysDisks = info->drive_count;
549
550	/* Find the smallest drive. */
551	MinLBA = info->drives[0].info->MaxLBA;
552	for (i = 1; i < info->drive_count; i++)
553		if (info->drives[i].info->MaxLBA < MinLBA)
554			MinLBA = info->drives[i].info->MaxLBA;
555
556	/*
557	 * Now chop off 512MB at the end to leave room for the
558	 * metadata.  The controller might only use 64MB, but we just
559	 * chop off the max to be simple.
560	 */
561	MinLBA -= (512 * 1024 * 1024) / 512;
562
563	switch (raid_type) {
564	case RT_RAID0:
565		vol->VolumeType = MPI_RAID_VOL_TYPE_IS;
566		vol->StripeSize = stripe_size / 512;
567		MaxLBA = (uint64_t)MinLBA * info->drive_count;
568		break;
569	case RT_RAID1:
570		vol->VolumeType = MPI_RAID_VOL_TYPE_IM;
571		MaxLBA = (uint64_t)MinLBA * (info->drive_count / 2);
572		break;
573	case RT_RAID1E:
574		vol->VolumeType = MPI_RAID_VOL_TYPE_IME;
575		vol->StripeSize = stripe_size / 512;
576		MaxLBA = (uint64_t)MinLBA * info->drive_count / 2;
577		break;
578	default:
579		/* Pacify gcc. */
580		abort();
581	}
582
583	/*
584	 * If the controller doesn't support 64-bit addressing and the
585	 * new volume is larger than 2^32 blocks, warn the user and
586	 * truncate the volume.
587	 */
588	if (MaxLBA >> 32 != 0 &&
589	    !(state->ioc2->CapabilitiesFlags &
590	    MPI_IOCPAGE2_CAP_FLAGS_RAID_64_BIT_ADDRESSING)) {
591		warnx(
592	    "Controller does not support volumes > 2TB, truncating volume.");
593		MaxLBA = 0xffffffff;
594	}
595	vol->MaxLBA = MaxLBA;
596	vol->MaxLBAHigh = MaxLBA >> 32;
597
598	/* Populate drives. */
599	for (i = 0, dinfo = info->drives, rdisk = vol->PhysDisk;
600	     i < info->drive_count; i++, dinfo++, rdisk++) {
601		if (verbose)
602			printf("Adding drive %u (%u:%u) to volume %u:%u\n",
603			    dinfo->info->PhysDiskNum, dinfo->info->PhysDiskBus,
604			    dinfo->info->PhysDiskID, vol->VolumeBus,
605			    vol->VolumeID);
606		if (raid_type == RT_RAID1) {
607			if (i == 0)
608				rdisk->PhysDiskMap =
609				    MPI_RAIDVOL0_PHYSDISK_PRIMARY;
610			else
611				rdisk->PhysDiskMap =
612				    MPI_RAIDVOL0_PHYSDISK_SECONDARY;
613		} else
614			rdisk->PhysDiskMap = i;
615		rdisk->PhysDiskNum = dinfo->info->PhysDiskNum;
616	}
617
618	return (vol);
619}
620
621static int
622create_volume(int ac, char **av)
623{
624	CONFIG_PAGE_RAID_VOL_0 *vol;
625	struct config_id_state state;
626	struct volume_info *info;
627	long stripe_size;
628	int ch, error, fd, i, quick, raid_type, verbose;
629#ifdef DEBUG
630	int dump;
631#endif
632
633	if (ac < 2) {
634		warnx("create: volume type required");
635		return (EINVAL);
636	}
637
638	fd = mpt_open(mpt_unit);
639	if (fd < 0) {
640		error = errno;
641		warn("mpt_open");
642		return (error);
643	}
644
645	/* Lookup the RAID type first. */
646	raid_type = -1;
647	for (i = 0; raid_type_table[i].name != NULL; i++)
648		if (strcasecmp(raid_type_table[i].name, av[1]) == 0) {
649			raid_type = raid_type_table[i].raid_type;
650			break;
651		}
652
653	if (raid_type == -1) {
654		warnx("Unknown or unsupported volume type %s", av[1]);
655		close(fd);
656		return (EINVAL);
657	}
658
659	/* Parse any options. */
660	optind = 2;
661#ifdef DEBUG
662	dump = 0;
663#endif
664	quick = 0;
665	verbose = 0;
666	stripe_size = 64 * 1024;
667
668	while ((ch = getopt(ac, av, "dqs:v")) != -1) {
669		switch (ch) {
670#ifdef DEBUG
671		case 'd':
672			dump = 1;
673			break;
674#endif
675		case 'q':
676			quick = 1;
677			break;
678		case 's':
679			stripe_size = dehumanize(optarg);
680			if ((stripe_size < 512) || (!powerof2(stripe_size))) {
681				warnx("Invalid stripe size %s", optarg);
682				close(fd);
683				return (EINVAL);
684			}
685			break;
686		case 'v':
687			verbose = 1;
688			break;
689		case '?':
690		default:
691			close(fd);
692			return (EINVAL);
693		}
694	}
695	ac -= optind;
696	av += optind;
697
698	/* Fetch existing config data. */
699	state.ioc2 = mpt_read_ioc_page(fd, 2, NULL);
700	if (state.ioc2 == NULL) {
701		error = errno;
702		warn("Failed to read volume list");
703		close(fd);
704		return (error);
705	}
706	state.list = mpt_pd_list(fd);
707	if (state.list == NULL) {
708		close(fd);
709		return (errno);
710	}
711	error = mpt_fetch_disks(fd, &state.nsdisks, &state.sdisks);
712	if (error) {
713		warn("Failed to fetch standalone disk list");
714		close(fd);
715		return (error);
716	}
717	state.target_id = 0xff;
718
719	/* Parse the drive list. */
720	if (ac != 1) {
721		warnx("Exactly one drive list is required");
722		close(fd);
723		return (EINVAL);
724	}
725	info = calloc(1, sizeof(*info));
726	if (info == NULL) {
727		close(fd);
728		return (ENOMEM);
729	}
730	error = parse_volume(fd, raid_type, &state, av[0], info);
731	if (error) {
732		free(info);
733		close(fd);
734		return (error);
735	}
736
737	/* Create RAID physdisk pages for standalone disks. */
738	error = add_drives(fd, info, verbose);
739	if (error) {
740		free(info);
741		close(fd);
742		return (error);
743	}
744
745	/* Build the volume. */
746	vol = build_volume(fd, info, raid_type, stripe_size, &state, verbose);
747	if (vol == NULL) {
748		free(info);
749		close(fd);
750		return (errno);
751	}
752
753#ifdef DEBUG
754	if (dump) {
755		dump_config(vol);
756		goto skip;
757	}
758#endif
759
760	/* Send the new volume to the controller. */
761	error = mpt_raid_action(fd, MPI_RAID_ACTION_CREATE_VOLUME, vol->VolumeBus,
762	    vol->VolumeID, 0, quick ? MPI_RAID_ACTION_ADATA_DO_NOT_SYNC : 0,
763	    vol, vol->Header.PageLength * 4, NULL, NULL, 0, NULL, NULL, 1);
764	if (error) {
765		errno = error;
766		warn("Failed to add volume");
767		free(info);
768		close(fd);
769		return (error);
770	}
771
772#ifdef DEBUG
773skip:
774#endif
775	mpt_rescan_bus(vol->VolumeBus, vol->VolumeID);
776
777	/* Clean up. */
778	free(vol);
779	free(info);
780	free(state.sdisks);
781	mpt_free_pd_list(state.list);
782	free(state.ioc2);
783	close(fd);
784
785	return (0);
786}
787MPT_COMMAND(top, create, create_volume);
788
789static int
790delete_volume(int ac, char **av)
791{
792	U8 VolumeBus, VolumeID;
793	int error, fd;
794
795	if (ac != 2) {
796		warnx("delete: volume required");
797		return (EINVAL);
798	}
799
800	fd = mpt_open(mpt_unit);
801	if (fd < 0) {
802		error = errno;
803		warn("mpt_open");
804		return (error);
805	}
806
807	error = mpt_lookup_volume(fd, av[1], &VolumeBus, &VolumeID);
808	if (error) {
809		warnc(error, "Invalid volume %s", av[1]);
810		close(fd);
811		return (error);
812	}
813
814	if (mpt_lock_volume(VolumeBus, VolumeID) < 0) {
815		close(fd);
816		return (errno);
817	}
818
819	error = mpt_raid_action(fd, MPI_RAID_ACTION_DELETE_VOLUME, VolumeBus,
820	    VolumeID, 0, MPI_RAID_ACTION_ADATA_DEL_PHYS_DISKS |
821	    MPI_RAID_ACTION_ADATA_ZERO_LBA0, NULL, 0, NULL, NULL, 0, NULL,
822	    NULL, 0);
823	if (error) {
824		warnc(error, "Failed to delete volume");
825		close(fd);
826		return (error);
827	}
828
829	mpt_rescan_bus(-1, -1);
830	close(fd);
831
832	return (0);
833}
834MPT_COMMAND(top, delete, delete_volume);
835
836static int
837find_volume_spare_pool(int fd, const char *name, int *pool)
838{
839	CONFIG_PAGE_RAID_VOL_0 *info;
840	CONFIG_PAGE_IOC_2 *ioc2;
841	CONFIG_PAGE_IOC_2_RAID_VOL *vol;
842	U8 VolumeBus, VolumeID;
843	int error, i, j, new_pool, pool_count[7];
844
845	error = mpt_lookup_volume(fd, name, &VolumeBus, &VolumeID);
846	if (error) {
847		warnc(error, "Invalid volume %s", name);
848		return (error);
849	}
850
851	info = mpt_vol_info(fd, VolumeBus, VolumeID, NULL);
852	if (info == NULL)
853		return (errno);
854
855	/*
856	 * Check for an existing pool other than pool 0 (used for
857	 * global spares).
858	 */
859	if ((info->VolumeSettings.HotSparePool & ~MPI_RAID_HOT_SPARE_POOL_0) !=
860	    0) {
861		*pool = 1 << (ffs(info->VolumeSettings.HotSparePool &
862		    ~MPI_RAID_HOT_SPARE_POOL_0) - 1);
863		free(info);
864		return (0);
865	}
866	free(info);
867
868	/*
869	 * Try to find a free pool.  First, figure out which pools are
870	 * in use.
871	 */
872	ioc2 = mpt_read_ioc_page(fd, 2, NULL);
873	if (ioc2 == NULL) {
874		error = errno;
875		warn("Failed to fetch volume list");
876		return (error);
877	}
878	bzero(pool_count, sizeof(pool_count));
879	vol = ioc2->RaidVolume;
880	for (i = 0; i < ioc2->NumActiveVolumes; vol++, i++) {
881		info = mpt_vol_info(fd, vol->VolumeBus, vol->VolumeID, NULL);
882		if (info == NULL)
883			return (errno);
884		for (j = 0; j < 7; j++)
885			if (info->VolumeSettings.HotSparePool & (1 << (j + 1)))
886				pool_count[j]++;
887		free(info);
888	}
889	free(ioc2);
890
891	/* Find the pool with the lowest use count. */
892	new_pool = 0;
893	for (i = 1; i < 7; i++)
894		if (pool_count[i] < pool_count[new_pool])
895			new_pool = i;
896	new_pool++;
897
898	/* Add this pool to the volume. */
899	info = mpt_vol_info(fd, VolumeBus, VolumeID, NULL);
900	if (info == NULL)
901		return (error);
902	info->VolumeSettings.HotSparePool |= (1 << new_pool);
903	error = mpt_raid_action(fd, MPI_RAID_ACTION_CHANGE_VOLUME_SETTINGS,
904	    VolumeBus, VolumeID, 0, *(U32 *)&info->VolumeSettings, NULL, 0,
905	    NULL, NULL, 0, NULL, NULL, 0);
906	if (error) {
907		warnx("Failed to add spare pool %d to %s", new_pool,
908		    mpt_volume_name(VolumeBus, VolumeID));
909		free(info);
910		return (error);
911	}
912	free(info);
913
914	*pool = (1 << new_pool);
915	return (0);
916}
917
918static int
919add_spare(int ac, char **av)
920{
921	CONFIG_PAGE_RAID_PHYS_DISK_0 *info;
922	struct mpt_standalone_disk *sdisks;
923	struct mpt_drive_list *list;
924	U8 PhysDiskNum;
925	int error, fd, i, nsdisks, pool;
926
927	if (ac < 2) {
928		warnx("add spare: drive required");
929		return (EINVAL);
930	}
931	if (ac > 3) {
932		warnx("add spare: extra arguments");
933		return (EINVAL);
934	}
935
936	fd = mpt_open(mpt_unit);
937	if (fd < 0) {
938		error = errno;
939		warn("mpt_open");
940		return (error);
941	}
942
943	if (ac == 3) {
944		error = find_volume_spare_pool(fd, av[2], &pool);
945		if (error) {
946			close(fd);
947			return (error);
948		}
949	} else
950		pool = MPI_RAID_HOT_SPARE_POOL_0;
951
952	list = mpt_pd_list(fd);
953	if (list == NULL)
954		return (errno);
955
956	error = mpt_lookup_drive(list, av[1], &PhysDiskNum);
957	if (error) {
958		error = mpt_fetch_disks(fd, &nsdisks, &sdisks);
959		if (error != 0) {
960			warn("Failed to fetch standalone disk list");
961			mpt_free_pd_list(list);
962			close(fd);
963			return (error);
964		}
965
966		if (mpt_lookup_standalone_disk(av[1], sdisks, nsdisks, &i) <
967		    0) {
968			error = errno;
969			warn("Unable to lookup drive %s", av[1]);
970			mpt_free_pd_list(list);
971			close(fd);
972			return (error);
973		}
974
975		if (mpt_lock_physdisk(&sdisks[i]) < 0) {
976			mpt_free_pd_list(list);
977			close(fd);
978			return (errno);
979		}
980
981		if (mpt_create_physdisk(fd, &sdisks[i], &PhysDiskNum) < 0) {
982			error = errno;
983			warn("Failed to create physical disk page");
984			mpt_free_pd_list(list);
985			close(fd);
986			return (error);
987		}
988		free(sdisks);
989	}
990	mpt_free_pd_list(list);
991
992	info = mpt_pd_info(fd, PhysDiskNum, NULL);
993	if (info == NULL) {
994		error = errno;
995		warn("Failed to fetch drive info");
996		close(fd);
997		return (error);
998	}
999
1000	info->PhysDiskSettings.HotSparePool = pool;
1001	error = mpt_raid_action(fd, MPI_RAID_ACTION_CHANGE_PHYSDISK_SETTINGS, 0,
1002	    0, PhysDiskNum, *(U32 *)&info->PhysDiskSettings, NULL, 0, NULL,
1003	    NULL, 0, NULL, NULL, 0);
1004	if (error) {
1005		warnc(error, "Failed to assign spare");
1006		close(fd);
1007		return (error);
1008	}
1009
1010	free(info);
1011	close(fd);
1012
1013	return (0);
1014}
1015MPT_COMMAND(top, add, add_spare);
1016
1017static int
1018remove_spare(int ac, char **av)
1019{
1020	CONFIG_PAGE_RAID_PHYS_DISK_0 *info;
1021	struct mpt_drive_list *list;
1022	U8 PhysDiskNum;
1023	int error, fd;
1024
1025	if (ac != 2) {
1026		warnx("remove spare: drive required");
1027		return (EINVAL);
1028	}
1029
1030	fd = mpt_open(mpt_unit);
1031	if (fd < 0) {
1032		error = errno;
1033		warn("mpt_open");
1034		return (error);
1035	}
1036
1037	list = mpt_pd_list(fd);
1038	if (list == NULL) {
1039		close(fd);
1040		return (errno);
1041	}
1042
1043	error = mpt_lookup_drive(list, av[1], &PhysDiskNum);
1044	if (error) {
1045		warn("Failed to find drive %s", av[1]);
1046		close(fd);
1047		return (error);
1048	}
1049	mpt_free_pd_list(list);
1050
1051
1052	info = mpt_pd_info(fd, PhysDiskNum, NULL);
1053	if (info == NULL) {
1054		error = errno;
1055		warn("Failed to fetch drive info");
1056		close(fd);
1057		return (error);
1058	}
1059
1060	if (info->PhysDiskSettings.HotSparePool == 0) {
1061		warnx("Drive %u is not a hot spare", PhysDiskNum);
1062		free(info);
1063		close(fd);
1064		return (EINVAL);
1065	}
1066
1067	if (mpt_delete_physdisk(fd, PhysDiskNum) < 0) {
1068		error = errno;
1069		warn("Failed to delete physical disk page");
1070		free(info);
1071		close(fd);
1072		return (error);
1073	}
1074
1075	mpt_rescan_bus(info->PhysDiskBus, info->PhysDiskID);
1076	free(info);
1077	close(fd);
1078
1079	return (0);
1080}
1081MPT_COMMAND(top, remove, remove_spare);
1082
1083#ifdef DEBUG
1084MPT_TABLE(top, pd);
1085
1086static int
1087pd_create(int ac, char **av)
1088{
1089	struct mpt_standalone_disk *disks;
1090	int error, fd, i, ndisks;
1091	U8 PhysDiskNum;
1092
1093	if (ac != 2) {
1094		warnx("pd create: drive required");
1095		return (EINVAL);
1096	}
1097
1098	fd = mpt_open(mpt_unit);
1099	if (fd < 0) {
1100		error = errno;
1101		warn("mpt_open");
1102		return (error);
1103	}
1104
1105	error = mpt_fetch_disks(fd, &ndisks, &disks);
1106	if (error != 0) {
1107		warn("Failed to fetch standalone disk list");
1108		return (error);
1109	}
1110
1111	if (mpt_lookup_standalone_disk(av[1], disks, ndisks, &i) < 0) {
1112		error = errno;
1113		warn("Unable to lookup drive");
1114		return (error);
1115	}
1116
1117	if (mpt_lock_physdisk(&disks[i]) < 0)
1118		return (errno);
1119
1120	if (mpt_create_physdisk(fd, &disks[i], &PhysDiskNum) < 0) {
1121		error = errno;
1122		warn("Failed to create physical disk page");
1123		return (error);
1124	}
1125	free(disks);
1126
1127	printf("Added drive %s with PhysDiskNum %u\n", av[1], PhysDiskNum);
1128
1129	close(fd);
1130
1131	return (0);
1132}
1133MPT_COMMAND(pd, create, pd_create);
1134
1135static int
1136pd_delete(int ac, char **av)
1137{
1138	CONFIG_PAGE_RAID_PHYS_DISK_0 *info;
1139	struct mpt_drive_list *list;
1140	int error, fd;
1141	U8 PhysDiskNum;
1142
1143	if (ac != 2) {
1144		warnx("pd delete: drive required");
1145		return (EINVAL);
1146	}
1147
1148	fd = mpt_open(mpt_unit);
1149	if (fd < 0) {
1150		error = errno;
1151		warn("mpt_open");
1152		return (error);
1153	}
1154
1155	list = mpt_pd_list(fd);
1156	if (list == NULL)
1157		return (errno);
1158
1159	if (mpt_lookup_drive(list, av[1], &PhysDiskNum) < 0) {
1160		error = errno;
1161		warn("Failed to find drive %s", av[1]);
1162		return (error);
1163	}
1164	mpt_free_pd_list(list);
1165
1166	info = mpt_pd_info(fd, PhysDiskNum, NULL);
1167	if (info == NULL) {
1168		error = errno;
1169		warn("Failed to fetch drive info");
1170		return (error);
1171	}
1172
1173	if (mpt_delete_physdisk(fd, PhysDiskNum) < 0) {
1174		error = errno;
1175		warn("Failed to delete physical disk page");
1176		return (error);
1177	}
1178
1179	mpt_rescan_bus(info->PhysDiskBus, info->PhysDiskID);
1180	free(info);
1181	close(fd);
1182
1183	return (0);
1184}
1185MPT_COMMAND(pd, delete, pd_delete);
1186
1187/* Display raw data about a volume config. */
1188static void
1189dump_config(CONFIG_PAGE_RAID_VOL_0 *vol)
1190{
1191	int i;
1192
1193	printf("Volume Configuration (Debug):\n");
1194	printf(
1195   " Page Header: Type 0x%02x Number 0x%02x Length 0x%02x(%u) Version 0x%02x\n",
1196	    vol->Header.PageType, vol->Header.PageNumber,
1197	    vol->Header.PageLength, vol->Header.PageLength * 4,
1198	    vol->Header.PageVersion);
1199	printf("     Address: %d:%d IOC %d\n", vol->VolumeBus, vol->VolumeID,
1200	    vol->VolumeIOC);
1201	printf("        Type: %d (%s)\n", vol->VolumeType,
1202	    mpt_raid_level(vol->VolumeType));
1203	printf("      Status: %s (Flags 0x%02x)\n",
1204	    mpt_volstate(vol->VolumeStatus.State), vol->VolumeStatus.Flags);
1205	printf("    Settings: 0x%04x (Spare Pools 0x%02x)\n",
1206	    vol->VolumeSettings.Settings, vol->VolumeSettings.HotSparePool);
1207	printf("      MaxLBA: %ju\n", (uintmax_t)vol->MaxLBAHigh << 32 |
1208	    vol->MaxLBA);
1209	printf(" Stripe Size: %ld\n", (long)vol->StripeSize * 512);
1210	printf(" %d Disks:\n", vol->NumPhysDisks);
1211
1212	for (i = 0; i < vol->NumPhysDisks; i++)
1213		printf("    Disk %d: Num 0x%02x Map 0x%02x\n", i,
1214		    vol->PhysDisk[i].PhysDiskNum, vol->PhysDisk[i].PhysDiskMap);
1215}
1216
1217static int
1218debug_config(int ac, char **av)
1219{
1220	CONFIG_PAGE_RAID_VOL_0 *vol;
1221	U8 VolumeBus, VolumeID;
1222	int error, fd;
1223
1224	if (ac != 2) {
1225		warnx("debug: volume required");
1226		return (EINVAL);
1227	}
1228
1229	fd = mpt_open(mpt_unit);
1230	if (fd < 0) {
1231		error = errno;
1232		warn("mpt_open");
1233		return (error);
1234	}
1235
1236	error = mpt_lookup_volume(fd, av[1], &VolumeBus, &VolumeID);
1237	if (error) {
1238		warnc(error, "Invalid volume: %s", av[1]);
1239		return (error);
1240	}
1241
1242	vol = mpt_vol_info(fd, VolumeBus, VolumeID, NULL);
1243	if (vol == NULL) {
1244		error = errno;
1245		warn("Failed to get volume info");
1246		return (error);
1247	}
1248
1249	dump_config(vol);
1250	free(vol);
1251	close(fd);
1252
1253	return (0);
1254}
1255MPT_COMMAND(top, debug, debug_config);
1256#endif
1257