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NetBSD/sbin/bioctl/bioctl.c

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/* $NetBSD: bioctl.c,v 1.12 2009/01/18 00:27:59 lukem Exp $ */
/* $OpenBSD: bioctl.c,v 1.52 2007/03/20 15:26:06 jmc Exp $ */
/*
* Copyright (c) 2007, 2008 Juan Romero Pardines
* Copyright (c) 2004, 2005 Marco Peereboom
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE FOR
* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
*/
#include <sys/cdefs.h>
#ifndef lint
__RCSID("$NetBSD: bioctl.c,v 1.12 2009/01/18 00:27:59 lukem Exp $");
#endif
#include <sys/types.h>
#include <sys/ioctl.h>
#include <sys/param.h>
#include <sys/queue.h>
#include <dev/biovar.h>
#include <errno.h>
#include <err.h>
#include <fcntl.h>
#include <util.h>
#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <ctype.h>
#include <util.h>
#include "strtonum.h"
struct command {
const char *cmd_name;
const char *arg_names;
void (*cmd_func)(int, int, char **);
};
struct biotmp {
struct bioc_inq *bi;
struct bioc_vol *bv;
char volname[64];
int fd;
int volid;
int diskid;
bool format;
bool show_disknovol;
};
struct locator {
int channel;
int target;
int lun;
};
static void usage(void);
static void bio_alarm(int, int, char **);
static void bio_show_common(int, int, char **);
static int bio_show_volumes(struct biotmp *);
static void bio_show_disks(struct biotmp *);
static void bio_setblink(int, int, char **);
static void bio_blink(int, char *, int, int);
static void bio_setstate_hotspare(int, int, char **);
static void bio_setstate_passthru(int, int, char **);
static void bio_setstate_common(int, char *, struct bioc_setstate *,
struct locator *);
static void bio_setstate_consistency(int, int, char **);
static void bio_volops_create(int, int, char **);
#ifdef notyet
static void bio_volops_modify(int, int, char **);
#endif
static void bio_volops_remove(int, int, char **);
static const char *str2locator(const char *, struct locator *);
static struct bio_locate bl;
static struct command commands[] = {
{
"show",
"[disks] | [volumes]",
bio_show_common },
{
"alarm",
"[enable] | [disable] | [silence] | [test]",
bio_alarm },
{
"blink",
"start [channel:target[.lun]] | stop [channel:target[.lun]]",
bio_setblink },
{
"hotspare",
"add channel:target.lun | remove channel:target.lun",
bio_setstate_hotspare },
{
"passthru",
"add DISKID channel:target.lun | remove channel:target.lun",
bio_setstate_passthru },
{
"check",
"start VOLID | stop VOLID",
bio_setstate_consistency },
{
"create",
"volume VOLID DISKIDs [SIZE] STRIPE RAID_LEVEL channel:target.lun",
bio_volops_create },
#ifdef notyet
{
"modify",
"volume VOLID STRIPE RAID_LEVEL channel:target.lun",
bio_volops_modify },
#endif
{
"remove",
"volume VOLID channel:target.lun",
bio_volops_remove },
{ NULL, NULL, NULL }
};
int
main(int argc, char **argv)
{
char *dvname;
const char *cmdname;
int fd = 0, i;
/* Must have at least: device command */
if (argc < 3)
usage();
/* Skip program name, get and skip device name and command */
setprogname(*argv);
dvname = argv[1];
cmdname = argv[2];
argv += 3;
argc -= 3;
/* Look up and call the command */
for (i = 0; commands[i].cmd_name != NULL; i++)
if (strcmp(cmdname, commands[i].cmd_name) == 0)
break;
if (commands[i].cmd_name == NULL)
errx(EXIT_FAILURE, "unknown command: %s", cmdname);
/* Locate the device by issuing the BIOCLOCATE ioctl */
fd = open("/dev/bio", O_RDWR);
if (fd == -1)
err(EXIT_FAILURE, "Can't open /dev/bio");
bl.bl_name = dvname;
if (ioctl(fd, BIOCLOCATE, &bl) == -1)
errx(EXIT_FAILURE, "Can't locate %s device via /dev/bio",
bl.bl_name);
/* and execute the command */
(*commands[i].cmd_func)(fd, argc, argv);
(void)close(fd);
exit(EXIT_SUCCESS);
}
static void
usage(void)
{
int i;
(void)fprintf(stderr, "usage: %s device command [arg [...]]\n",
getprogname());
(void)fprintf(stderr, "Available commands:\n");
for (i = 0; commands[i].cmd_name != NULL; i++)
(void)fprintf(stderr, " %s %s\n", commands[i].cmd_name,
commands[i].arg_names);
exit(EXIT_FAILURE);
/* NOTREACHED */
}
static const char *
str2locator(const char *string, struct locator *location)
{
const char *errstr;
char parse[80], *targ, *lun;
strlcpy(parse, string, sizeof parse);
targ = strchr(parse, ':');
if (targ == NULL)
return "target not specified";
*targ++ = '\0';
lun = strchr(targ, '.');
if (lun != NULL) {
*lun++ = '\0';
location->lun = strtonum(lun, 0, 256, &errstr);
if (errstr)
return errstr;
} else
location->lun = 0;
location->target = strtonum(targ, 0, 256, &errstr);
if (errstr)
return errstr;
location->channel = strtonum(parse, 0, 256, &errstr);
if (errstr)
return errstr;
return NULL;
}
/*
* Shows info about available RAID volumes.
*/
static int
bio_show_volumes(struct biotmp *bt)
{
struct bioc_vol bv;
const char *status, *rtypestr, *stripestr;
char size[64], percent[16], seconds[20];
char rtype[16], stripe[16], tmp[32];
rtypestr = stripestr = NULL;
memset(&bv, 0, sizeof(bv));
bv.bv_cookie = bl.bl_cookie;
bv.bv_volid = bt->volid;
bv.bv_percent = -1;
bv.bv_seconds = -1;
if (ioctl(bt->fd, BIOCVOL, &bv) == -1)
err(EXIT_FAILURE, "BIOCVOL");
percent[0] = '\0';
seconds[0] = '\0';
if (bv.bv_percent != -1)
snprintf(percent, sizeof(percent),
" %3.2f%% done", bv.bv_percent / 10.0);
if (bv.bv_seconds)
snprintf(seconds, sizeof(seconds),
" %u seconds", bv.bv_seconds);
switch (bv.bv_status) {
case BIOC_SVONLINE:
status = BIOC_SVONLINE_S;
break;
case BIOC_SVOFFLINE:
status = BIOC_SVOFFLINE_S;
break;
case BIOC_SVDEGRADED:
status = BIOC_SVDEGRADED_S;
break;
case BIOC_SVBUILDING:
status = BIOC_SVBUILDING_S;
break;
case BIOC_SVREBUILD:
status = BIOC_SVREBUILD_S;
break;
case BIOC_SVMIGRATING:
status = BIOC_SVMIGRATING_S;
break;
case BIOC_SVSCRUB:
status = BIOC_SVSCRUB_S;
break;
case BIOC_SVCHECKING:
status = BIOC_SVCHECKING_S;
break;
case BIOC_SVINVALID:
default:
status = BIOC_SVINVALID_S;
break;
}
snprintf(bt->volname, sizeof(bt->volname), "%u", bv.bv_volid);
if (bv.bv_vendor)
snprintf(tmp, sizeof(tmp), "%s %s", bv.bv_dev, bv.bv_vendor);
else
snprintf(tmp, sizeof(tmp), "%s", bv.bv_dev);
switch (bv.bv_level) {
case BIOC_SVOL_HOTSPARE:
rtypestr = "Hot spare";
stripestr = "N/A";
break;
case BIOC_SVOL_PASSTHRU:
rtypestr = "Pass through";
stripestr = "N/A";
break;
case BIOC_SVOL_RAID01:
rtypestr = "RAID 0+1";
break;
case BIOC_SVOL_RAID10:
rtypestr = "RAID 1+0";
break;
default:
snprintf(rtype, sizeof(rtype), "RAID %u", bv.bv_level);
if (bv.bv_level == 1 || bv.bv_stripe_size == 0)
stripestr = "N/A";
break;
}
if (rtypestr)
snprintf(rtype, sizeof(rtype), rtypestr);
if (stripestr)
snprintf(stripe, sizeof(stripe), stripestr);
else
snprintf(stripe, sizeof(stripe), "%uK", bv.bv_stripe_size);
humanize_number(size, 5, (int64_t)bv.bv_size, "", HN_AUTOSCALE,
HN_B | HN_NOSPACE | HN_DECIMAL);
printf("%6s %-12s %4s %20s %8s %6s %s%s\n",
bt->volname, status, size, tmp,
rtype, stripe, percent, seconds);
bt->bv = &bv;
return bv.bv_nodisk;
}
/*
* Shows info about physical disks.
*/
static void
bio_show_disks(struct biotmp *bt)
{
struct bioc_disk bd;
const char *status;
char size[64], serial[32], scsiname[16];
memset(&bd, 0, sizeof(bd));
bd.bd_cookie = bl.bl_cookie;
bd.bd_diskid = bt->diskid;
bd.bd_volid = bt->volid;
if (bt->show_disknovol) {
if (ioctl(bt->fd, BIOCDISK_NOVOL, &bd) == -1)
err(EXIT_FAILURE, "BIOCDISK_NOVOL");
if (!bd.bd_disknovol)
return;
} else {
if (ioctl(bt->fd, BIOCDISK, &bd) == -1)
err(EXIT_FAILURE, "BIOCDISK");
}
switch (bd.bd_status) {
case BIOC_SDONLINE:
status = BIOC_SDONLINE_S;
break;
case BIOC_SDOFFLINE:
status = BIOC_SDOFFLINE_S;
break;
case BIOC_SDFAILED:
status = BIOC_SDFAILED_S;
break;
case BIOC_SDREBUILD:
status = BIOC_SDREBUILD_S;
break;
case BIOC_SDHOTSPARE:
status = BIOC_SDHOTSPARE_S;
break;
case BIOC_SDUNUSED:
status = BIOC_SDUNUSED_S;
break;
case BIOC_SDSCRUB:
status = BIOC_SDSCRUB_S;
break;
case BIOC_SDPASSTHRU:
status = BIOC_SDPASSTHRU_S;
break;
case BIOC_SDINVALID:
default:
status = BIOC_SDINVALID_S;
break;
}
if (bt->format)
snprintf(bt->volname, sizeof(bt->volname),
"%u:%u", bt->bv->bv_volid, bd.bd_diskid);
humanize_number(size, 5, bd.bd_size, "", HN_AUTOSCALE,
HN_B | HN_NOSPACE | HN_DECIMAL);
if (bd.bd_procdev[0])
snprintf(scsiname, sizeof(scsiname), "%u:%u.%u %s",
bd.bd_channel, bd.bd_target, bd.bd_lun,
bd.bd_procdev);
else
snprintf(scsiname, sizeof(scsiname), "%u:%u.%u noencl",
bd.bd_channel, bd.bd_target, bd.bd_lun);
if (bd.bd_serial[0])
strlcpy(serial, bd.bd_serial, sizeof(serial));
else
strlcpy(serial, "unknown serial", sizeof(serial));
if (bt->format)
printf("%6s %-12s %4s %20s <%s>\n",
bt->volname, status, size, scsiname,
bd.bd_vendor);
else
printf("%5d [%-28s] %-12s %-6s %12s\n",
bt->diskid, bd.bd_vendor, status, size, scsiname);
}
/*
* Shows info about volumes/disks.
*/
static void
bio_show_common(int fd, int argc, char **argv)
{
struct biotmp *biot;
struct bioc_inq bi;
int i, d, ndisks;
bool show_all, show_disks;
bool show_vols, show_caps;
show_all = show_disks = show_vols = show_caps = false;
if (argc > 1)
usage();
if (argv[0]) {
if (strcmp(argv[0], "disks") == 0)
show_disks = true;
else if (strcmp(argv[0], "volumes") == 0)
show_vols = true;
else
usage();
} else
show_all = true;
memset(&bi, 0, sizeof(bi));
bi.bi_cookie = bl.bl_cookie;
if (ioctl(fd, BIOCINQ, &bi) == -1)
err(EXIT_FAILURE, "BIOCINQ");
/*
* If there are volumes there's no point to continue.
*/
if (show_all || show_vols) {
if (!bi.bi_novol) {
warnx("no volumes available");
return;
}
}
biot = calloc(1, sizeof(*biot));
if (!biot)
err(EXIT_FAILURE, "biotemp calloc");
biot->fd = fd;
biot->bi = &bi;
/*
* Go to the disks section if that was specified.
*/
if (show_disks)
goto disks;
/*
* Common code to show only info about volumes and disks
* associated to them.
*/
printf("%6s %-12s %4s %20s %8s %6s\n",
"Volume", "Status", "Size", "Device/Label",
"Level", "Stripe");
printf("=============================================="
"===============\n");
for (i = 0; i < bi.bi_novol; i++) {
biot->format = true;
biot->volid = i;
ndisks = bio_show_volumes(biot);
if (show_vols)
continue;
for (d = 0; d < ndisks; d++) {
biot->diskid = d;
bio_show_disks(biot);
}
}
goto out;
disks:
/*
* show info about all disks connected to the raid controller,
* even if they aren't associated with a volume or raid set.
*/
if (show_disks) {
printf("%5s %-30s %-12s %-6s %12s\n",
"Disk", "Model/Serial", "Status", "Size", "Location");
printf("==============================================="
"======================\n");
for (d = 0; d < bi.bi_nodisk; d++) {
biot->show_disknovol = true;
biot->diskid = d;
bio_show_disks(biot);
}
}
out:
free(biot);
}
/*
* To handle the alarm feature.
*/
static void
bio_alarm(int fd, int argc, char **argv)
{
struct bioc_alarm ba;
bool show = false;
memset(&ba, 0, sizeof(ba));
ba.ba_cookie = bl.bl_cookie;
if (argc > 1)
usage();
if (argc == 0) {
/* show alarm status */
ba.ba_opcode = BIOC_GASTATUS;
show = true;
} else if (strcmp(argv[0], "silence") == 0) {
/* silence alarm */
ba.ba_opcode = BIOC_SASILENCE;
} else if (strcmp(argv[0], "enable") == 0) {
/* enable alarm */
ba.ba_opcode = BIOC_SAENABLE;
} else if (strcmp(argv[0], "disable") == 0) {
/* disable alarm */
ba.ba_opcode = BIOC_SADISABLE;
} else if (strcmp(argv[0], "test") == 0) {
/* test alarm */
ba.ba_opcode = BIOC_SATEST;
} else
usage();
if (ioctl(fd, BIOCALARM, &ba) == -1)
err(EXIT_FAILURE, "BIOCALARM");
if (show)
printf("alarm is currently %s\n",
ba.ba_status ? "enabled" : "disabled");
}
/*
* To add/remove a hotspare disk.
*/
static void
bio_setstate_hotspare(int fd, int argc, char **argv)
{
struct bioc_setstate bs;
struct locator location;
memset(&bs, 0, sizeof(bs));
if (argc != 2)
usage();
if (strcmp(argv[0], "add") == 0)
bs.bs_status = BIOC_SSHOTSPARE;
else if (strcmp(argv[0], "remove") == 0)
bs.bs_status = BIOC_SSDELHOTSPARE;
else
usage();
bio_setstate_common(fd, argv[1], &bs, &location);
}
/*
* To add/remove a pass through disk.
*/
static void
bio_setstate_passthru(int fd, int argc, char **argv)
{
struct bioc_setstate bs;
struct locator location;
char *endptr;
bool rem = false;
if (argc > 3)
usage();
memset(&bs, 0, sizeof(bs));
if (strcmp(argv[0], "add") == 0) {
if (argv[1] == NULL || argv[2] == NULL)
usage();
bs.bs_status = BIOC_SSPASSTHRU;
} else if (strcmp(argv[0], "remove") == 0) {
if (argv[1] == NULL)
usage();
bs.bs_status = BIOC_SSDELPASSTHRU;
rem = true;
} else
usage();
if (rem)
bio_setstate_common(fd, argv[1], &bs, &location);
else {
bs.bs_other_id = (unsigned int)strtoul(argv[1], &endptr, 10);
if (*endptr != '\0')
errx(EXIT_FAILURE, "Invalid Volume ID value");
bio_setstate_common(fd, argv[2], &bs, &location);
}
}
/*
* To start/stop a consistency check in a RAID volume.
*/
static void
bio_setstate_consistency(int fd, int argc, char **argv)
{
struct bioc_setstate bs;
char *endptr;
if (argc > 2)
usage();
memset(&bs, 0, sizeof(bs));
if (strcmp(argv[0], "start") == 0)
bs.bs_status = BIOC_SSCHECKSTART_VOL;
else if (strcmp(argv[0], "stop") == 0)
bs.bs_status = BIOC_SSCHECKSTOP_VOL;
else
usage();
bs.bs_volid = (unsigned int)strtoul(argv[1], &endptr, 10);
if (*endptr != '\0')
errx(EXIT_FAILURE, "Invalid Volume ID value");
bio_setstate_common(fd, NULL, &bs, NULL);
}
static void
bio_setstate_common(int fd, char *arg, struct bioc_setstate *bs,
struct locator *location)
{
const char *errstr;
if (!arg || !location)
goto send;
errstr = str2locator(arg, location);
if (errstr)
errx(EXIT_FAILURE, "Target %s: %s", arg, errstr);
bs->bs_channel = location->channel;
bs->bs_target = location->target;
bs->bs_lun = location->lun;
send:
bs->bs_cookie = bl.bl_cookie;
if (ioctl(fd, BIOCSETSTATE, bs) == -1)
err(EXIT_FAILURE, "BIOCSETSTATE");
}
/*
* To create a RAID volume.
*/
static void
bio_volops_create(int fd, int argc, char **argv)
{
struct bioc_volops bc;
struct bioc_inq bi;
struct bioc_disk bd;
struct locator location;
uint64_t total_size = 0, disksize = 0;
int64_t volsize = 0;
const char *errstr;
char *endptr, *stripe, levelstr[32];
char *scsiname, *raid_level, size[64];
int disk_first = 0, disk_end = 0;
int i, nfreedisks = 0;
int user_disks = 0;
if (argc < 6 || argc > 7)
usage();
if (strcmp(argv[0], "volume") != 0)
usage();
/*
* No size requested, use max size depending on RAID level.
*/
if (argc == 6) {
stripe = argv[3];
raid_level = argv[4];
scsiname = argv[5];
} else {
stripe = argv[4];
raid_level = argv[5];
scsiname = argv[6];
}
memset(&bd, 0, sizeof(bd));
memset(&bc, 0, sizeof(bc));
memset(&bi, 0, sizeof(bi));
bc.bc_cookie = bd.bd_cookie = bi.bi_cookie = bl.bl_cookie;
bc.bc_opcode = BIOC_VCREATE_VOLUME;
bc.bc_volid = (unsigned int)strtoul(argv[1], &endptr, 10);
if (*endptr != '\0')
errx(EXIT_FAILURE, "Invalid Volume ID value");
if (argc == 7)
if (dehumanize_number(argv[3], &volsize) == -1
|| volsize < 0)
errx(EXIT_FAILURE, "Invalid SIZE value");
bc.bc_stripe = (unsigned int)strtoul(stripe, &endptr, 10);
if (*endptr != '\0')
errx(EXIT_FAILURE, "Invalid STRIPE size value");
bc.bc_level = (unsigned int)strtoul(raid_level, &endptr, 10);
if (*endptr != '\0')
errx(EXIT_FAILURE, "Invalid RAID_LEVEL value");
errstr = str2locator(scsiname, &location);
if (errstr)
errx(EXIT_FAILURE, "Target %s: %s", scsiname, errstr);
/*
* Parse the device list that will be used for the volume,
* by using a bit field for the disks.
*/
if ((isdigit((unsigned char)argv[2][0]) == 0) || argv[2][1] != '-' ||
(isdigit((unsigned char)argv[2][2]) == 0))
errx(EXIT_FAILURE, "Invalid DISKIDs value");
disk_first = atoi(&argv[2][0]);
disk_end = atoi(&argv[2][2]);
for (i = disk_first; i < disk_end + 1; i++) {
bc.bc_devmask |= (1 << i);
user_disks++;
}
/*
* Find out how many disks are free and how much size we
* have available for the new volume.
*/
if (ioctl(fd, BIOCINQ, &bi) == -1)
err(EXIT_FAILURE, "BIOCINQ");
for (i = 0; i < bi.bi_nodisk; i++) {
bd.bd_diskid = i;
if (ioctl(fd, BIOCDISK_NOVOL, &bd) == -1)
err(EXIT_FAILURE, "BIOCDISK_NOVOL");
if (bd.bd_status == BIOC_SDUNUSED) {
if (i == 0)
disksize = bd.bd_size;
total_size += bd.bd_size;
nfreedisks++;
}
}
if (user_disks > nfreedisks)
errx(EXIT_FAILURE, "specified disks number is higher than "
"available free disks");
/*
* Basic checks to be sure we don't do something stupid.
*/
if (nfreedisks == 0)
errx(EXIT_FAILURE, "No free disks available");
switch (bc.bc_level) {
case 0: /* RAID 0 requires at least one disk */
if (argc == 7) {
if ((uint64_t)volsize > (disksize * user_disks))
errx(EXIT_FAILURE, "volume size specified "
"is larger than available on free disks");
bc.bc_size = (uint64_t)volsize;
} else
bc.bc_size = disksize * user_disks;
break;
case 1: /* RAID 1 requires two disks and size is total / 2 */
if (nfreedisks < 2 || user_disks < 2)
errx(EXIT_FAILURE, "2 disks are required at least for "
"this RAID level");
/* RAID 1+0 requires three disks at least */
if (nfreedisks > 2 && user_disks > 2)
bc.bc_level = BIOC_SVOL_RAID10;
if (argc == 7) {
if ((uint64_t)volsize > ((disksize * user_disks) / 2))
errx(EXIT_FAILURE, "volume size specified "
"is larger than available on free disks");
bc.bc_size = (uint64_t)volsize;
} else
bc.bc_size = ((disksize * user_disks) / 2);
break;
case 3: /* RAID 3/5 requires three disks and size is total - 1 disk */
case 5:
if (nfreedisks < 3 || user_disks < 3)
errx(EXIT_FAILURE, "3 disks are required at least for "
"this RAID level");
if (argc == 7) {
if ((uint64_t)volsize > (disksize * (user_disks - 1)))
errx(EXIT_FAILURE, "volume size specified "
"is larger than available on free disks");
bc.bc_size = (uint64_t)volsize;
} else
bc.bc_size = (disksize * (user_disks - 1));
break;
case 6: /* RAID 6 requires four disks and size is total - 2 disks */
if (nfreedisks < 4 || user_disks < 4)
errx(EXIT_FAILURE, "4 disks are required at least for "
"this RAID level");
if (argc == 7) {
if ((uint64_t)volsize >
((disksize * user_disks) - (disksize * 2)))
err(EXIT_FAILURE, "volume size specified "
"is larger than available on free disks");
bc.bc_size = (uint64_t)volsize;
} else
bc.bc_size =
(((disksize * user_disks) - (disksize * 2)));
break;
default:
errx(EXIT_FAILURE, "Unsupported RAID level");
}
bc.bc_channel = location.channel;
bc.bc_target = location.target;
bc.bc_lun = location.lun;
if (ioctl(fd, BIOCVOLOPS, &bc) == -1)
err(EXIT_FAILURE, "BIOCVOLOPS");
humanize_number(size, 5, bc.bc_size, "", HN_AUTOSCALE,
HN_B | HN_NOSPACE | HN_DECIMAL);
if (bc.bc_level == BIOC_SVOL_RAID10)
snprintf(levelstr, sizeof(levelstr), "1+0");
else
snprintf(levelstr, sizeof(levelstr), "%u", bc.bc_level);
printf("Created volume %u size: %s stripe: %uK level: %s "
"SCSI location: %u:%u.%u\n", bc.bc_volid, size, bc.bc_stripe,
levelstr, bc.bc_channel, bc.bc_target, bc.bc_lun);
}
#ifdef notyet
/*
* To modify a RAID volume.
*/
static void
bio_volops_modify(int fd, int argc, char **argv)
{
/* XTRAEME: TODO */
}
#endif
/*
* To remove a RAID volume.
*/
static void
bio_volops_remove(int fd, int argc, char **argv)
{
struct bioc_volops bc;
struct locator location;
const char *errstr;
char *endptr;
if (argc != 3 || strcmp(argv[0], "volume") != 0)
usage();
memset(&bc, 0, sizeof(bc));
bc.bc_cookie = bl.bl_cookie;
bc.bc_opcode = BIOC_VREMOVE_VOLUME;
bc.bc_volid = (unsigned int)strtoul(argv[1], &endptr, 10);
if (*endptr != '\0')
errx(EXIT_FAILURE, "Invalid Volume ID value");
errstr = str2locator(argv[2], &location);
if (errstr)
errx(EXIT_FAILURE, "Target %s: %s", argv[2], errstr);
bc.bc_channel = location.channel;
bc.bc_target = location.target;
bc.bc_lun = location.lun;
if (ioctl(fd, BIOCVOLOPS, &bc) == -1)
err(EXIT_FAILURE, "BIOCVOLOPS");
printf("Removed volume %u at SCSI location %u:%u.%u\n",
bc.bc_volid, bc.bc_channel, bc.bc_target, bc.bc_lun);
}
/*
* To blink/unblink a disk in enclosures.
*/
static void
bio_setblink(int fd, int argc, char **argv)
{
struct locator location;
struct bioc_inq bi;
struct bioc_vol bv;
struct bioc_disk bd;
struct bioc_blink bb;
const char *errstr;
int v, d, rv, blink = 0;
if (argc != 2)
usage();
if (strcmp(argv[0], "start") == 0)
blink = BIOC_SBBLINK;
else if (strcmp(argv[0], "stop") == 0)
blink = BIOC_SBUNBLINK;
else
usage();
errstr = str2locator(argv[1], &location);
if (errstr)
errx(EXIT_FAILURE, "Target %s: %s", argv[1], errstr);
/* try setting blink on the device directly */
memset(&bb, 0, sizeof(bb));
bb.bb_cookie = bl.bl_cookie;
bb.bb_status = blink;
bb.bb_target = location.target;
bb.bb_channel = location.channel;
rv = ioctl(fd, BIOCBLINK, &bb);
if (rv == 0)
return;
/* if the blink didnt work, try to find something that will */
memset(&bi, 0, sizeof(bi));
bi.bi_cookie = bl.bl_cookie;
rv = ioctl(fd, BIOCINQ, &bi);
if (rv == -1)
err(EXIT_FAILURE, "BIOCINQ");
for (v = 0; v < bi.bi_novol; v++) {
memset(&bv, 0, sizeof(bv));
bv.bv_cookie = bl.bl_cookie;
bv.bv_volid = v;
rv = ioctl(fd, BIOCVOL, &bv);
if (rv == -1)
err(EXIT_FAILURE, "BIOCVOL");
for (d = 0; d < bv.bv_nodisk; d++) {
memset(&bd, 0, sizeof(bd));
bd.bd_cookie = bl.bl_cookie;
bd.bd_volid = v;
bd.bd_diskid = d;
rv = ioctl(fd, BIOCDISK, &bd);
if (rv == -1)
err(EXIT_FAILURE, "BIOCDISK");
if (bd.bd_channel == location.channel &&
bd.bd_target == location.target &&
bd.bd_lun == location.lun) {
if (bd.bd_procdev[0] != '\0') {
bio_blink(fd, bd.bd_procdev,
location.target, blink);
} else
warnx("Disk %s is not in an enclosure",
argv[1]);
return;
}
}
}
warnx("Disk %s does not exist", argv[1]);
}
static void
bio_blink(int fd, char *enclosure, int target, int blinktype)
{
struct bio_locate bio;
struct bioc_blink blink;
bio.bl_name = enclosure;
if (ioctl(fd, BIOCLOCATE, &bio) == -1)
errx(EXIT_FAILURE,
"Can't locate %s device via /dev/bio", enclosure);
memset(&blink, 0, sizeof(blink));
blink.bb_cookie = bio.bl_cookie;
blink.bb_status = blinktype;
blink.bb_target = target;
if (ioctl(fd, BIOCBLINK, &blink) == -1)
err(EXIT_FAILURE, "BIOCBLINK");
}
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