118 lines
3.0 KiB
C
118 lines
3.0 KiB
C
/* $NetBSD: drvctl.c,v 1.4 2005/06/02 00:00:46 lukem Exp $ */
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/*
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* Copyright (c) 2004
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* Matthias Drochner. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions, and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <err.h>
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#include <fcntl.h>
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#include <string.h>
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#include <sys/ioctl.h>
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#include <sys/drvctlio.h>
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#define OPTS "dra:"
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static void usage(void);
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static void
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usage(void)
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{
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fprintf(stderr, "Usage: %s -r [-a attribute] busdevice [locator ...]\n"
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" %s -d device\n", getprogname(), getprogname());
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exit(1);
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}
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int
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main(int argc, char **argv)
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{
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int c, mode;
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char *attr = 0;
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extern char *optarg;
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extern int optind;
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int fd, res;
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struct devdetachargs daa;
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struct devrescanargs raa;
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int *locs, i;
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mode = 0;
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while ((c = getopt(argc, argv, OPTS)) != -1) {
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switch (c) {
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case 'd':
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case 'r':
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mode = c;
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break;
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case 'a':
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attr = optarg;
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break;
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case '?':
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default:
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usage();
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}
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}
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argc -= optind;
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argv += optind;
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if (argc < 1 || mode == 0)
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usage();
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fd = open(DRVCTLDEV, O_RDWR, 0);
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if (fd < 0)
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err(2, "open %s", DRVCTLDEV);
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if (mode == 'd') {
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strlcpy(daa.devname, argv[0], sizeof(daa.devname));
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res = ioctl(fd, DRVDETACHDEV, &daa);
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if (res)
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err(3, "DRVDETACHDEV");
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} else if (mode == 'r') {
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memset(&raa, 0, sizeof(raa));
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strlcpy(raa.busname, argv[0], sizeof(raa.busname));
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if (attr)
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strlcpy(raa.ifattr, attr, sizeof(raa.ifattr));
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if (argc > 1) {
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locs = malloc((argc - 1) * sizeof(int));
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if (!locs)
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err(5, "malloc int[%d]", argc - 1);
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for (i = 0; i < argc - 1; i++)
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locs[i] = atoi(argv[i + 1]);
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raa.numlocators = argc - 1;
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raa.locators = locs;
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}
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res = ioctl(fd, DRVRESCANBUS, &raa);
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if (res)
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err(3, "DRVRESCANBUS");
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} else
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errx(4, "unknown command");
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return (0);
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}
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