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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2005 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#pragma ident "%Z%%M% %I% %E% SMI"
/*
* This program provides a command line interface to the
* three new ioctls for the emul64 driver - EMUL64_WRITE_OFF,
* EMUL64_WRITE_ON and EMUL64_ZERO_RANGE. All three of these
* ioctls require the range of blocks to be specified. The
* range is specified by starting block number and block count
* both of which are 64 bit.
*
* Returns 0 on success, >0 on failure.
*
*/
#include <stdio.h>
#include <fcntl.h>
#include <unistd.h>
#include <stropts.h>
#include <string.h>
#include <stdlib.h>
#include <errno.h>
#include <sys/types.h>
#include <sys/emul64.h>
#define DEBUG 1
#define ADMIN_DIR "/dev/cfg/"
char *Pname;
static int get_disk_addr(char *path, emul64_tgt_range_t *tr, char **admin);
static void
usage(void)
{
(void) fprintf(stderr, "Usage: emul64ioctl -s start_block "
"-b block_count -c write_off | write_on | zero emul64_dev\n");
exit(1);
}
int
main(int argc, char **argv)
{
extern char *optarg;
extern int optind;
char *admin;
int count_seen = 0;
int fd, retval;
int cmd = -1;
int do_usage = 0;
char *slice;
int sb_seen = 0;
emul64_tgt_range_t tr;
Pname = strrchr(argv[0], '/');
if (Pname == NULL)
Pname = argv[0];
else
Pname++;
while ((retval = getopt(argc, argv, "s:b:c:")) != -1) {
switch (retval) {
case 's':
sb_seen = 1;
tr.emul64_blkrange.emul64_sb = atoll(optarg);
break;
case 'b':
count_seen = 1;
tr.emul64_blkrange.emul64_blkcnt = atoll(optarg);
break;
case 'c':
if (strncmp(optarg, "write_off",
strlen("write_off")) == 0) {
cmd = EMUL64_WRITE_OFF;
} else if (strncmp(optarg, "write_on",
strlen("write_on")) == 0) {
cmd = EMUL64_WRITE_ON;
} else if (strncmp(optarg, "zero",
strlen("zero")) == 0) {
cmd = EMUL64_ZERO_RANGE;
} else {
do_usage = 1;
}
break;
default:
break;
}
}
if (do_usage || (optind != argc - 1)) {
usage();
}
if ((sb_seen == 0) || (count_seen == 0) || (cmd == -1))
usage();
slice = argv[optind];
/*
* Get admin device, target and lun
*/
if (get_disk_addr(slice, &tr, &admin) != 0)
exit(1);
/*
* open the specified emul64_dev.
*/
if ((fd = open(admin, O_RDONLY, 0444)) != -1) {
retval = ioctl(fd, cmd, &tr);
(void) close(fd);
if (retval != -1) {
free(admin);
return (0);
}
(void) printf("emul64ioctl: %s: ioctl %s\n",
admin, strerror(errno));
} else {
(void) printf("emul64ioctl: %s: open %s\n",
admin, strerror(errno));
}
free(admin);
return (1);
}
#define TOK_CHECK(s) if (token == NULL) {\
bogus = (s);\
goto err_out;\
}
static int
get_disk_addr(char *path, emul64_tgt_range_t *tr, char **admin)
{
size_t admin_size;
int ctlr_num;
int conversions;
char *ctds;
*admin = NULL;
ctds = strrchr(path, '/');
if (ctds == NULL)
ctds = path;
else
ctds++;
conversions = sscanf(ctds, "c%dt%hud%hu", &ctlr_num,
&tr->emul64_target, &tr->emul64_lun);
if (conversions != 3) {
(void) fprintf(stderr, "%s: \"%s\" is invalid disk name. "
"%d conversions\n", Pname, ctds, conversions);
return (-1);
}
/* Build controller name */
admin_size = strlen(ADMIN_DIR) +
10 + /* enough digits for an int */
1 + /* c */
1; /* Null terminator */
*admin = malloc(admin_size);
if (*admin == NULL) {
(void) fprintf(stderr, "%s: out of memory\n", Pname);
return (-1);
}
(void) snprintf(*admin, admin_size, "%sc%d", ADMIN_DIR, ctlr_num);
return (0);
}
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