NetBSD/sbin/scsictl/scsictl.c

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/* $NetBSD: scsictl.c,v 1.13 2001/05/15 15:11:02 bouyer Exp $ */
/*-
* Copyright (c) 1998 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Jason R. Thorpe of the Numerical Aerospace Simulation Facility,
* NASA Ames Research Center.
*
* 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.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the NetBSD
* Foundation, Inc. and its contributors.
* 4. Neither the name of The NetBSD Foundation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. 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 FOUNDATION 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.
*/
/*
* scsictl(8) - a program to manipulate SCSI devices and busses.
*/
#include <sys/param.h>
#include <sys/ioctl.h>
#include <sys/scsiio.h>
#include <err.h>
#include <errno.h>
#include <fcntl.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <util.h>
#include <dev/scsipi/scsipi_all.h>
#include <dev/scsipi/scsi_all.h>
#include <dev/scsipi/scsi_disk.h>
#include <dev/scsipi/scsipiconf.h>
#include "extern.h"
struct command {
const char *cmd_name;
const char *arg_names;
void (*cmd_func) __P((int, char *[]));
};
int main __P((int, char *[]));
void usage __P((void));
int fd; /* file descriptor for device */
const char *dvname; /* device name */
char dvname_store[MAXPATHLEN]; /* for opendisk(3) */
const char *cmdname; /* command user issued */
const char *argnames; /* helpstring: expected arguments */
struct scsi_addr dvaddr; /* SCSI device's address */
void device_format __P((int, char *[]));
void device_identify __P((int, char *[]));
void device_reassign __P((int, char *[]));
void device_reset __P((int, char *[]));
struct command device_commands[] = {
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{ "format", "", device_format },
{ "identify", "", device_identify },
{ "reassign", "blkno [blkno [...]]", device_reassign },
{ "reset", "", device_reset },
{ NULL, NULL, NULL },
};
void bus_reset __P((int, char *[]));
void bus_scan __P((int, char *[]));
struct command bus_commands[] = {
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{ "reset", "", bus_reset },
{ "scan", "target lun", bus_scan },
{ NULL, NULL, NULL },
};
int
main(argc, argv)
int argc;
char *argv[];
{
struct command *commands;
int i;
/* Must have at least: device command */
if (argc < 3)
usage();
/* Skip program name, get and skip device name and command. */
dvname = argv[1];
cmdname = argv[2];
argv += 3;
argc -= 3;
/*
* Open the device and determine if it's a scsibus or an actual
* device. Devices respond to the SCIOCIDENTIFY ioctl.
*/
fd = opendisk(dvname, O_RDWR, dvname_store, sizeof(dvname_store), 0);
if (fd == -1) {
if (errno == ENOENT) {
/*
* Device doesn't exist. Probably trying to open
* a device which doesn't use disk semantics for
* device name. Try again, specifying "cooked",
* which leaves off the "r" in front of the device's
* name.
*/
fd = opendisk(dvname, O_RDWR, dvname_store,
sizeof(dvname_store), 1);
if (fd == -1)
err(1, "%s", dvname);
} else
err(1, "%s", dvname);
}
/*
* Point the dvname at the actual device name that opendisk() opened.
*/
dvname = dvname_store;
if (ioctl(fd, SCIOCIDENTIFY, &dvaddr) < 0)
commands = bus_commands;
else
commands = device_commands;
/* 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(1, "unknown %s command: %s",
commands == bus_commands ? "bus" : "device", cmdname);
argnames = commands[i].arg_names;
(*commands[i].cmd_func)(argc, argv);
exit(0);
}
void
usage()
{
int i;
fprintf(stderr, "Usage: %s device command [arg [...]]\n",
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getprogname());
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fprintf(stderr, " Commands pertaining to scsi devices:\n");
for (i=0; device_commands[i].cmd_name != NULL; i++)
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fprintf(stderr, "\t%s %s\n", device_commands[i].cmd_name,
device_commands[i].arg_names);
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fprintf(stderr, " Commands pertaining to scsi busses:\n");
for (i=0; bus_commands[i].cmd_name != NULL; i++)
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fprintf(stderr, "\t%s %s\n", bus_commands[i].cmd_name,
bus_commands[i].arg_names);
fprintf(stderr, " Use `any' or `all' to wildcard target or lun\n");
exit(1);
}
/*
* DEVICE COMMANDS
*/
/*
* device_format:
*
* Format a direct access device.
*
* XXX Does not handle defect list management or geometry settings.
*/
void
device_format(argc, argv)
int argc;
char *argv[];
{
struct scsi_format_unit cmd;
struct {
struct scsipi_mode_header header;
struct scsi_blk_desc blk_desc;
struct page_disk_format format_page;
} data;
/* No arguments. */
if (argc != 0)
usage();
/*
* Get the DISK FORMAT mode page. SCSI-2 recommends specifying the
* interleave read from this page in the FORMAT UNIT command.
*/
scsi_mode_sense(fd, 0x03, 0x00, &data, sizeof(data));
memset(&cmd, 0, sizeof(cmd));
cmd.opcode = SCSI_FORMAT_UNIT;
memcpy(cmd.interleave, data.format_page.interleave,
sizeof(cmd.interleave));
scsi_command(fd, &cmd, sizeof(cmd), NULL, 0, 21600000, 0);
return;
}
/*
* device_identify:
*
* Display the identity of the device, including it's SCSI bus,
* target, lun, and it's vendor/product/revision information.
*/
void
device_identify(argc, argv)
int argc;
char *argv[];
{
struct scsipi_inquiry_data inqbuf;
struct scsipi_inquiry cmd;
/* x4 in case every character is escaped, +1 for NUL. */
char vendor[(sizeof(inqbuf.vendor) * 4) + 1],
product[(sizeof(inqbuf.product) * 4) + 1],
revision[(sizeof(inqbuf.revision) * 4) + 1];
/* No arguments. */
if (argc != 0)
usage();
memset(&cmd, 0, sizeof(cmd));
memset(&inqbuf, 0, sizeof(inqbuf));
cmd.opcode = INQUIRY;
cmd.length = sizeof(inqbuf);
scsi_command(fd, &cmd, sizeof(cmd), &inqbuf, sizeof(inqbuf),
10000, SCCMD_READ);
scsi_strvis(vendor, sizeof(vendor), inqbuf.vendor,
sizeof(inqbuf.vendor));
scsi_strvis(product, sizeof(product), inqbuf.product,
sizeof(inqbuf.product));
scsi_strvis(revision, sizeof(revision), inqbuf.revision,
sizeof(inqbuf.revision));
printf("%s: scsibus%d target %d lun %d <%s, %s, %s>\n",
dvname, dvaddr.addr.scsi.scbus, dvaddr.addr.scsi.target,
dvaddr.addr.scsi.lun, vendor, product, revision);
return;
}
/*
* device_reassign:
*
* Reassign bad blocks on a direct access device.
*/
void
device_reassign(argc, argv)
int argc;
char *argv[];
{
struct scsi_reassign_blocks cmd;
struct scsi_reassign_blocks_data *data;
size_t dlen;
u_int32_t blkno;
int i;
char *cp;
/* We get a list of block numbers. */
if (argc < 1)
usage();
/*
* Allocate the reassign blocks descriptor. The 4 comes from the
* size of the block address in the defect descriptor.
*/
dlen = sizeof(struct scsi_reassign_blocks_data) + ((argc - 1) * 4);
data = malloc(dlen);
if (data == NULL)
errx(1, "unable to allocate defect descriptor");
memset(data, 0, dlen);
cmd.opcode = SCSI_REASSIGN_BLOCKS;
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cmd.byte2 = 0;
cmd.unused[0] = 0;
cmd.unused[1] = 0;
cmd.unused[2] = 0;
cmd.control = 0;
/* Defect descriptor length. */
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_lto2b(argc * 4, data->length);
/* Build the defect descriptor list. */
for (i = 0; i < argc; i++) {
blkno = strtoul(argv[i], &cp, 10);
if (*cp != '\0')
errx(1, "invalid block number: %s", argv[i]);
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_lto4b(blkno, data->defect_descriptor[i].dlbaddr);
}
scsi_command(fd, &cmd, sizeof(cmd), data, dlen, 30000, SCCMD_WRITE);
free(data);
return;
}
/*
* device_reset:
*
* Issue a reset to a SCSI device.
*/
void
device_reset(argc, argv)
int argc;
char *argv[];
{
/* No arguments. */
if (argc != 0)
usage();
if (ioctl(fd, SCIOCRESET, NULL) != 0)
err(1, "SCIOCRESET");
return;
}
/*
* BUS COMMANDS
*/
/*
* bus_reset:
*
* Issue a reset to a SCSI bus.
*/
void
bus_reset(argc, argv)
int argc;
char *argv[];
{
/* No arguments. */
if (argc != 0)
usage();
if (ioctl(fd, SCBUSIORESET, NULL) != 0)
err(1, "SCBUSIORESET");
return;
}
/*
* bus_scan:
*
* Rescan a SCSI bus for new devices.
*/
void
bus_scan(argc, argv)
int argc;
char *argv[];
{
struct scbusioscan_args args;
char *cp;
/* Must have two args: target lun */
if (argc != 2)
usage();
if (strcmp(argv[0], "any") == 0 || strcmp(argv[0], "all") == 0)
args.sa_target = -1;
else {
args.sa_target = strtol(argv[0], &cp, 10);
if (*cp != '\0' || args.sa_target < 0)
errx(1, "invalid target: %s", argv[0]);
}
if (strcmp(argv[1], "any") == 0 || strcmp(argv[1], "all") == 0)
args.sa_lun = -1;
else {
args.sa_lun = strtol(argv[1], &cp, 10);
if (*cp != '\0' || args.sa_lun < 0)
errx(1, "invalid lun: %s", argv[1]);
}
if (ioctl(fd, SCBUSIOSCAN, &args) != 0)
err(1, "SCBUSIOSCAN");
return;
}