2 * Copyright (c) 2008, 2009 Yahoo!, Inc.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. The names of the authors may not be used to endorse or promote
14 * products derived from this software without specific prior written
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32 #include <sys/param.h>
34 #include <sys/sysctl.h>
49 static void dump_config(int fd, struct mfi_config_data *config);
52 static int add_spare(int ac, char **av);
53 static int remove_spare(int ac, char **av);
56 dehumanize(const char *value)
63 iv = strtoq(value, &vtp, 0);
64 if (vtp == value || (vtp[0] != '\0' && vtp[1] != '\0')) {
84 mfi_config_read(int fd, struct mfi_config_data **configp)
86 struct mfi_config_data *config;
91 * Keep fetching the config in a loop until we have a large enough
92 * buffer to hold the entire configuration.
97 config = reallocf(config, config_size);
100 if (mfi_dcmd_command(fd, MFI_DCMD_CFG_READ, config,
101 config_size, NULL, 0, NULL) < 0) {
108 if (config->size > config_size) {
109 config_size = config->size;
117 static struct mfi_array *
118 mfi_config_lookup_array(struct mfi_config_data *config, uint16_t array_ref)
120 struct mfi_array *ar;
124 p = (char *)config->array;
125 for (i = 0; i < config->array_count; i++) {
126 ar = (struct mfi_array *)p;
127 if (ar->array_ref == array_ref)
129 p += config->array_size;
135 static struct mfi_ld_config *
136 mfi_config_lookup_volume(struct mfi_config_data *config, uint8_t target_id)
138 struct mfi_ld_config *ld;
142 p = (char *)config->array + config->array_count * config->array_size;
143 for (i = 0; i < config->log_drv_count; i++) {
144 ld = (struct mfi_ld_config *)p;
145 if (ld->properties.ld.v.target_id == target_id)
147 p += config->log_drv_size;
154 clear_config(int ac, char **av)
156 struct mfi_ld_list list;
160 fd = mfi_open(mfi_unit);
167 if (!mfi_reconfig_supported()) {
168 warnx("The current mfi(4) driver does not support "
169 "configuration changes.");
174 if (mfi_ld_get_list(fd, &list, NULL) < 0) {
176 warn("Failed to get volume list");
181 for (i = 0; i < list.ld_count; i++) {
182 if (mfi_volume_busy(fd, list.ld_list[i].ld.v.target_id)) {
183 warnx("Volume %s is busy and cannot be deleted",
184 mfi_volume_name(fd, list.ld_list[i].ld.v.target_id));
191 "Are you sure you wish to clear the configuration on mfi%u? [y/N] ",
194 if (ch != 'y' && ch != 'Y') {
195 printf("\nAborting\n");
200 if (mfi_dcmd_command(fd, MFI_DCMD_CFG_CLEAR, NULL, 0, NULL, 0, NULL) < 0) {
202 warn("Failed to clear configuration");
207 printf("mfi%d: Configuration cleared\n", mfi_unit);
212 MFI_COMMAND(top, clear, clear_config);
214 #define MFI_ARRAY_SIZE 288
215 #define MAX_DRIVES_PER_ARRAY \
216 ((MFI_ARRAY_SIZE - sizeof(struct mfi_array)) / 8)
229 compare_int(const void *one, const void *two)
233 first = *(const int *)one;
234 second = *(const int *)two;
236 return (first - second);
239 static struct raid_type_entry {
242 } raid_type_table[] = {
243 { "raid0", RT_RAID0 },
244 { "raid-0", RT_RAID0 },
245 { "raid1", RT_RAID1 },
246 { "raid-1", RT_RAID1 },
247 { "mirror", RT_RAID1 },
248 { "raid5", RT_RAID5 },
249 { "raid-5", RT_RAID5 },
250 { "raid6", RT_RAID6 },
251 { "raid-6", RT_RAID6 },
253 { "concat", RT_CONCAT },
254 { "raid10", RT_RAID10 },
255 { "raid1+0", RT_RAID10 },
256 { "raid-10", RT_RAID10 },
257 { "raid-1+0", RT_RAID10 },
258 { "raid50", RT_RAID50 },
259 { "raid5+0", RT_RAID50 },
260 { "raid-50", RT_RAID50 },
261 { "raid-5+0", RT_RAID50 },
262 { "raid60", RT_RAID60 },
263 { "raid6+0", RT_RAID60 },
264 { "raid-60", RT_RAID60 },
265 { "raid-6+0", RT_RAID60 },
269 struct config_id_state {
280 struct mfi_pd_info *drives;
281 struct mfi_array *array;
284 /* Parse a comma-separated list of drives for an array. */
286 parse_array(int fd, int raid_type, char *array_str, struct array_info *info)
288 struct mfi_pd_info *pinfo;
295 for (count = 0; cp != NULL; count++) {
296 cp = strchr(cp, ',');
300 warnx("Invalid drive list '%s'", array_str);
306 /* Validate the number of drives for this array. */
307 if (count >= MAX_DRIVES_PER_ARRAY) {
308 warnx("Too many drives for a single array: max is %zu",
309 MAX_DRIVES_PER_ARRAY);
315 if (count % 2 != 0) {
316 warnx("RAID1 and RAID10 require an even number of "
317 "drives in each array");
324 warnx("RAID5 and RAID50 require at least 3 drives in "
332 warnx("RAID6 and RAID60 require at least 4 drives in "
339 /* Validate each drive. */
340 info->drives = calloc(count, sizeof(struct mfi_pd_info));
341 if (info->drives == NULL) {
342 warnx("malloc failed");
345 info->drive_count = count;
346 for (pinfo = info->drives; (cp = strsep(&array_str, ",")) != NULL;
348 error = mfi_lookup_drive(fd, cp, &device_id);
354 if (mfi_pd_get_info(fd, device_id, pinfo, NULL) < 0) {
356 warn("Failed to fetch drive info for drive %s", cp);
361 if (pinfo->fw_state != MFI_PD_STATE_UNCONFIGURED_GOOD) {
362 warnx("Drive %u is not available", device_id);
372 * Find the next free array ref assuming that 'array_ref' is the last
373 * one used. 'array_ref' should be 0xffff for the initial test.
376 find_next_array(struct config_id_state *state)
380 /* Assume the current one is used. */
383 /* Find the next free one. */
384 for (i = 0; i < state->array_count; i++)
385 if (state->arrays[i] == state->array_ref)
387 return (state->array_ref);
391 * Find the next free volume ID assuming that 'target_id' is the last
392 * one used. 'target_id' should be 0xff for the initial test.
395 find_next_volume(struct config_id_state *state)
399 /* Assume the current one is used. */
402 /* Find the next free one. */
403 for (i = 0; i < state->log_drv_count; i++)
404 if (state->volumes[i] == state->target_id)
406 return (state->target_id);
409 /* Populate an array with drives. */
411 build_array(int fd, char *arrayp, struct array_info *array_info,
412 struct config_id_state *state, int verbose)
414 struct mfi_array *ar = (struct mfi_array *)arrayp;
417 ar->size = array_info->drives[0].coerced_size;
418 ar->num_drives = array_info->drive_count;
419 ar->array_ref = find_next_array(state);
420 for (i = 0; i < array_info->drive_count; i++) {
422 printf("Adding drive %u to array %u\n",
423 array_info->drives[i].ref.v.device_id,
425 if (ar->size > array_info->drives[i].coerced_size)
426 ar->size = array_info->drives[i].coerced_size;
427 ar->pd[i].ref = array_info->drives[i].ref;
428 ar->pd[i].fw_state = MFI_PD_STATE_ONLINE;
430 array_info->array = ar;
434 * Create a volume that spans one or more arrays.
437 build_volume(char *volumep, int narrays, struct array_info *arrays,
438 int raid_type, long stripe_size, struct config_id_state *state, int verbose)
440 struct mfi_ld_config *ld = (struct mfi_ld_config *)volumep;
441 struct mfi_array *ar;
445 ld->properties.ld.v.target_id = find_next_volume(state);
446 ld->properties.ld.v.seq = 0;
447 ld->properties.default_cache_policy = MR_LD_CACHE_ALLOW_WRITE_CACHE |
448 MR_LD_CACHE_WRITE_BACK;
449 ld->properties.access_policy = MFI_LD_ACCESS_RW;
450 ld->properties.disk_cache_policy = MR_PD_CACHE_UNCHANGED;
451 ld->properties.current_cache_policy = MR_LD_CACHE_ALLOW_WRITE_CACHE |
452 MR_LD_CACHE_WRITE_BACK;
453 ld->properties.no_bgi = 0;
459 ld->params.primary_raid_level = DDF_RAID0;
460 ld->params.raid_level_qualifier = 0;
461 ld->params.secondary_raid_level = 0;
464 ld->params.primary_raid_level = DDF_RAID1;
465 ld->params.raid_level_qualifier = 0;
466 ld->params.secondary_raid_level = 0;
469 ld->params.primary_raid_level = DDF_RAID5;
470 ld->params.raid_level_qualifier = 3;
471 ld->params.secondary_raid_level = 0;
474 ld->params.primary_raid_level = DDF_RAID6;
475 ld->params.raid_level_qualifier = 3;
476 ld->params.secondary_raid_level = 0;
479 ld->params.primary_raid_level = DDF_CONCAT;
480 ld->params.raid_level_qualifier = 0;
481 ld->params.secondary_raid_level = 0;
484 ld->params.primary_raid_level = DDF_RAID1;
485 ld->params.raid_level_qualifier = 0;
486 ld->params.secondary_raid_level = 3; /* XXX? */
490 * XXX: This appears to work though the card's BIOS
491 * complains that the configuration is foreign. The
492 * BIOS setup does not allow for creation of RAID-50
493 * or RAID-60 arrays. The only nested array
494 * configuration it allows for is RAID-10.
496 ld->params.primary_raid_level = DDF_RAID5;
497 ld->params.raid_level_qualifier = 3;
498 ld->params.secondary_raid_level = 3; /* XXX? */
501 ld->params.primary_raid_level = DDF_RAID6;
502 ld->params.raid_level_qualifier = 3;
503 ld->params.secondary_raid_level = 3; /* XXX? */
508 * Stripe size is encoded as (2 ^ N) * 512 = stripe_size. Use
509 * ffs() to simulate log2(stripe_size).
511 ld->params.stripe_size = ffs(stripe_size) - 1 - 9;
512 ld->params.num_drives = arrays[0].array->num_drives;
513 ld->params.span_depth = narrays;
514 ld->params.state = MFI_LD_STATE_OPTIMAL;
515 ld->params.init_state = MFI_LD_PARAMS_INIT_NO;
516 ld->params.is_consistent = 0;
519 for (i = 0; i < narrays; i++) {
520 ar = arrays[i].array;
522 printf("Adding array %u to volume %u\n", ar->array_ref,
523 ld->properties.ld.v.target_id);
524 ld->span[i].start_block = 0;
525 ld->span[i].num_blocks = ar->size;
526 ld->span[i].array_ref = ar->array_ref;
531 create_volume(int ac, char **av)
533 struct mfi_config_data *config;
534 struct mfi_array *ar;
535 struct mfi_ld_config *ld;
536 struct config_id_state state;
538 char *p, *cfg_arrays, *cfg_volumes;
539 int error, fd, i, raid_type;
540 int narrays, nvolumes, arrays_per_volume;
541 struct array_info *arrays;
549 * Backwards compat. Map 'create volume' to 'create' and
550 * 'create spare' to 'add'.
553 if (strcmp(av[1], "volume") == 0) {
556 } else if (strcmp(av[1], "spare") == 0) {
559 return (add_spare(ac, av));
564 warnx("create volume: volume type required");
568 bzero(&state, sizeof(state));
574 fd = mfi_open(mfi_unit);
581 if (!mfi_reconfig_supported()) {
582 warnx("The current mfi(4) driver does not support "
583 "configuration changes.");
588 /* Lookup the RAID type first. */
590 for (i = 0; raid_type_table[i].name != NULL; i++)
591 if (strcasecmp(raid_type_table[i].name, av[1]) == 0) {
592 raid_type = raid_type_table[i].raid_type;
596 if (raid_type == -1) {
597 warnx("Unknown or unsupported volume type %s", av[1]);
602 /* Parse any options. */
608 stripe_size = 64 * 1024;
610 while ((ch = getopt(ac, av, "ds:v")) != -1) {
618 stripe_size = dehumanize(optarg);
619 if ((stripe_size < 512) || (!powerof2(stripe_size)))
620 stripe_size = 64 * 1024;
634 /* Parse all the arrays. */
637 warnx("At least one drive list is required");
648 warnx("Only one drive list can be specified");
657 warnx("RAID10, RAID50, and RAID60 require at least "
662 if (narrays > MFI_MAX_SPAN_DEPTH) {
663 warnx("Volume spans more than %d arrays",
670 arrays = calloc(narrays, sizeof(*arrays));
671 if (arrays == NULL) {
672 warnx("malloc failed");
676 for (i = 0; i < narrays; i++) {
677 error = parse_array(fd, raid_type, av[i], &arrays[i]);
686 for (i = 1; i < narrays; i++) {
687 if (arrays[i].drive_count != arrays[0].drive_count) {
688 warnx("All arrays must contain the same "
698 * Fetch the current config and build sorted lists of existing
699 * array and volume identifiers.
701 if (mfi_config_read(fd, &config) < 0) {
703 warn("Failed to read configuration");
706 p = (char *)config->array;
707 state.array_ref = 0xffff;
708 state.target_id = 0xff;
709 state.array_count = config->array_count;
710 if (config->array_count > 0) {
711 state.arrays = calloc(config->array_count, sizeof(int));
712 if (state.arrays == NULL) {
713 warnx("malloc failed");
717 for (i = 0; i < config->array_count; i++) {
718 ar = (struct mfi_array *)p;
719 state.arrays[i] = ar->array_ref;
720 p += config->array_size;
722 qsort(state.arrays, config->array_count, sizeof(int),
726 state.log_drv_count = config->log_drv_count;
727 if (config->log_drv_count) {
728 state.volumes = calloc(config->log_drv_count, sizeof(int));
729 if (state.volumes == NULL) {
730 warnx("malloc failed");
734 for (i = 0; i < config->log_drv_count; i++) {
735 ld = (struct mfi_ld_config *)p;
736 state.volumes[i] = ld->properties.ld.v.target_id;
737 p += config->log_drv_size;
739 qsort(state.volumes, config->log_drv_count, sizeof(int),
742 state.volumes = NULL;
745 /* Determine the size of the configuration we will build. */
753 /* Each volume spans a single array. */
759 /* A single volume spans multiple arrays. */
767 config_size = sizeof(struct mfi_config_data) +
768 sizeof(struct mfi_ld_config) * nvolumes + MFI_ARRAY_SIZE * narrays;
769 config = calloc(1, config_size);
770 if (config == NULL) {
771 warnx("malloc failed");
775 config->size = config_size;
776 config->array_count = narrays;
777 config->array_size = MFI_ARRAY_SIZE; /* XXX: Firmware hardcode */
778 config->log_drv_count = nvolumes;
779 config->log_drv_size = sizeof(struct mfi_ld_config);
780 config->spares_count = 0;
781 config->spares_size = 40; /* XXX: Firmware hardcode */
782 cfg_arrays = (char *)config->array;
783 cfg_volumes = cfg_arrays + config->array_size * narrays;
785 /* Build the arrays. */
786 for (i = 0; i < narrays; i++) {
787 build_array(fd, cfg_arrays, &arrays[i], &state, verbose);
788 cfg_arrays += config->array_size;
791 /* Now build the volume(s). */
792 arrays_per_volume = narrays / nvolumes;
793 for (i = 0; i < nvolumes; i++) {
794 build_volume(cfg_volumes, arrays_per_volume,
795 &arrays[i * arrays_per_volume], raid_type, stripe_size,
797 cfg_volumes += config->log_drv_size;
802 dump_config(fd, config);
805 /* Send the new config to the controller. */
806 if (mfi_dcmd_command(fd, MFI_DCMD_CFG_ADD, config, config_size,
807 NULL, 0, NULL) < 0) {
809 warn("Failed to add volume");
818 for (i = 0; i < narrays; i++)
819 free(arrays[i].drives);
825 MFI_COMMAND(top, create, create_volume);
828 delete_volume(int ac, char **av)
830 struct mfi_ld_info info;
832 uint8_t target_id, mbox[4];
835 * Backwards compat. Map 'delete volume' to 'delete' and
836 * 'delete spare' to 'remove'.
839 if (strcmp(av[1], "volume") == 0) {
842 } else if (strcmp(av[1], "spare") == 0) {
845 return (remove_spare(ac, av));
850 warnx("delete volume: volume required");
854 fd = mfi_open(mfi_unit);
861 if (!mfi_reconfig_supported()) {
862 warnx("The current mfi(4) driver does not support "
863 "configuration changes.");
868 if (mfi_lookup_volume(fd, av[1], &target_id) < 0) {
870 warn("Invalid volume %s", av[1]);
875 if (mfi_ld_get_info(fd, target_id, &info, NULL) < 0) {
877 warn("Failed to get info for volume %d", target_id);
882 if (mfi_volume_busy(fd, target_id)) {
883 warnx("Volume %s is busy and cannot be deleted",
884 mfi_volume_name(fd, target_id));
889 mbox_store_ldref(mbox, &info.ld_config.properties.ld);
890 if (mfi_dcmd_command(fd, MFI_DCMD_LD_DELETE, NULL, 0, mbox,
891 sizeof(mbox), NULL) < 0) {
893 warn("Failed to delete volume");
902 MFI_COMMAND(top, delete, delete_volume);
905 add_spare(int ac, char **av)
907 struct mfi_pd_info info;
908 struct mfi_config_data *config;
909 struct mfi_array *ar;
910 struct mfi_ld_config *ld;
911 struct mfi_spare *spare;
918 warnx("add spare: drive required");
922 fd = mfi_open(mfi_unit);
931 error = mfi_lookup_drive(fd, av[1], &device_id);
935 if (mfi_pd_get_info(fd, device_id, &info, NULL) < 0) {
937 warn("Failed to fetch drive info");
941 if (info.fw_state != MFI_PD_STATE_UNCONFIGURED_GOOD) {
942 warnx("Drive %u is not available", device_id);
948 if (mfi_lookup_volume(fd, av[2], &target_id) < 0) {
950 warn("Invalid volume %s", av[2]);
955 if (mfi_config_read(fd, &config) < 0) {
957 warn("Failed to read configuration");
961 spare = malloc(sizeof(struct mfi_spare) + sizeof(uint16_t) *
962 config->array_count);
964 warnx("malloc failed");
968 bzero(spare, sizeof(struct mfi_spare));
969 spare->ref = info.ref;
972 /* Global spare backs all arrays. */
973 p = (char *)config->array;
974 for (i = 0; i < config->array_count; i++) {
975 ar = (struct mfi_array *)p;
976 if (ar->size > info.coerced_size) {
977 warnx("Spare isn't large enough for array %u",
982 p += config->array_size;
984 spare->array_count = 0;
987 * Dedicated spares only back the arrays for a
990 ld = mfi_config_lookup_volume(config, target_id);
992 warnx("Did not find volume %d", target_id);
997 spare->spare_type |= MFI_SPARE_DEDICATED;
998 spare->array_count = ld->params.span_depth;
999 for (i = 0; i < ld->params.span_depth; i++) {
1000 ar = mfi_config_lookup_array(config,
1001 ld->span[i].array_ref);
1003 warnx("Missing array; inconsistent config?");
1007 if (ar->size > info.coerced_size) {
1008 warnx("Spare isn't large enough for array %u",
1013 spare->array_ref[i] = ar->array_ref;
1017 if (mfi_dcmd_command(fd, MFI_DCMD_CFG_MAKE_SPARE, spare,
1018 sizeof(struct mfi_spare) + sizeof(uint16_t) * spare->array_count,
1019 NULL, 0, NULL) < 0) {
1021 warn("Failed to assign spare");
1032 MFI_COMMAND(top, add, add_spare);
1035 remove_spare(int ac, char **av)
1037 struct mfi_pd_info info;
1043 warnx("remove spare: drive required");
1047 fd = mfi_open(mfi_unit);
1054 error = mfi_lookup_drive(fd, av[1], &device_id);
1060 /* Get the info for this drive. */
1061 if (mfi_pd_get_info(fd, device_id, &info, NULL) < 0) {
1063 warn("Failed to fetch info for drive %u", device_id);
1068 if (info.fw_state != MFI_PD_STATE_HOT_SPARE) {
1069 warnx("Drive %u is not a hot spare", device_id);
1074 mbox_store_pdref(mbox, &info.ref);
1075 if (mfi_dcmd_command(fd, MFI_DCMD_CFG_REMOVE_SPARE, NULL, 0, mbox,
1076 sizeof(mbox), NULL) < 0) {
1078 warn("Failed to delete spare");
1087 MFI_COMMAND(top, remove, remove_spare);
1090 /* Display raw data about a config. */
1092 dump_config(int fd, struct mfi_config_data *config)
1094 struct mfi_array *ar;
1095 struct mfi_ld_config *ld;
1096 struct mfi_spare *sp;
1097 struct mfi_pd_info pinfo;
1103 "mfi%d Configuration (Debug): %d arrays, %d volumes, %d spares\n",
1104 mfi_unit, config->array_count, config->log_drv_count,
1105 config->spares_count);
1106 printf(" array size: %u\n", config->array_size);
1107 printf(" volume size: %u\n", config->log_drv_size);
1108 printf(" spare size: %u\n", config->spares_size);
1109 p = (char *)config->array;
1111 for (i = 0; i < config->array_count; i++) {
1112 ar = (struct mfi_array *)p;
1113 printf(" array %u of %u drives:\n", ar->array_ref,
1115 printf(" size = %ju\n", (uintmax_t)ar->size);
1116 for (j = 0; j < ar->num_drives; j++) {
1117 device_id = ar->pd[j].ref.v.device_id;
1118 if (device_id == 0xffff)
1119 printf(" drive MISSING\n");
1121 printf(" drive %u %s\n", device_id,
1122 mfi_pdstate(ar->pd[j].fw_state));
1123 if (mfi_pd_get_info(fd, device_id, &pinfo,
1125 printf(" raw size: %ju\n",
1126 (uintmax_t)pinfo.raw_size);
1127 printf(" non-coerced size: %ju\n",
1128 (uintmax_t)pinfo.non_coerced_size);
1129 printf(" coerced size: %ju\n",
1130 (uintmax_t)pinfo.coerced_size);
1134 p += config->array_size;
1137 for (i = 0; i < config->log_drv_count; i++) {
1138 ld = (struct mfi_ld_config *)p;
1139 printf(" volume %s ",
1140 mfi_volume_name(fd, ld->properties.ld.v.target_id));
1142 mfi_raid_level(ld->params.primary_raid_level,
1143 ld->params.secondary_raid_level),
1144 mfi_ldstate(ld->params.state));
1145 if (ld->properties.name[0] != '\0')
1146 printf(" <%s>", ld->properties.name);
1148 printf(" primary raid level: %u\n",
1149 ld->params.primary_raid_level);
1150 printf(" raid level qualifier: %u\n",
1151 ld->params.raid_level_qualifier);
1152 printf(" secondary raid level: %u\n",
1153 ld->params.secondary_raid_level);
1154 printf(" stripe size: %u\n", ld->params.stripe_size);
1155 printf(" num drives: %u\n", ld->params.num_drives);
1156 printf(" init state: %u\n", ld->params.init_state);
1157 printf(" consistent: %u\n", ld->params.is_consistent);
1158 printf(" no bgi: %u\n", ld->properties.no_bgi);
1159 printf(" spans:\n");
1160 for (j = 0; j < ld->params.span_depth; j++) {
1161 printf(" array %u @ ", ld->span[j].array_ref);
1162 printf("%ju : %ju\n",
1163 (uintmax_t)ld->span[j].start_block,
1164 (uintmax_t)ld->span[j].num_blocks);
1166 p += config->log_drv_size;
1169 for (i = 0; i < config->spares_count; i++) {
1170 sp = (struct mfi_spare *)p;
1171 printf(" %s spare %u ",
1172 sp->spare_type & MFI_SPARE_DEDICATED ? "dedicated" :
1173 "global", sp->ref.v.device_id);
1174 printf("%s", mfi_pdstate(MFI_PD_STATE_HOT_SPARE));
1175 printf(" backs:\n");
1176 for (j = 0; j < sp->array_count; j++)
1177 printf(" array %u\n", sp->array_ref[j]);
1178 p += config->spares_size;
1183 debug_config(int ac, char **av)
1185 struct mfi_config_data *config;
1189 warnx("debug: extra arguments");
1193 fd = mfi_open(mfi_unit);
1200 /* Get the config from the controller. */
1201 if (mfi_config_read(fd, &config) < 0) {
1203 warn("Failed to get config");
1208 /* Dump out the configuration. */
1209 dump_config(fd, config);
1215 MFI_COMMAND(top, debug, debug_config);
1218 dump(int ac, char **av)
1220 struct mfi_config_data *config;
1226 warnx("dump: extra arguments");
1230 fd = mfi_open(mfi_unit);
1237 /* Get the stashed copy of the last dcmd from the driver. */
1238 snprintf(buf, sizeof(buf), "dev.mfi.%d.debug_command", mfi_unit);
1239 if (sysctlbyname(buf, NULL, &len, NULL, 0) < 0) {
1241 warn("Failed to read debug command");
1242 if (error == ENOENT)
1248 config = malloc(len);
1249 if (config == NULL) {
1250 warnx("malloc failed");
1254 if (sysctlbyname(buf, config, &len, NULL, 0) < 0) {
1256 warn("Failed to read debug command");
1261 dump_config(fd, config);
1267 MFI_COMMAND(top, dump, dump);