1 /* $NetBSD: drvctl.c,v 1.2 2004/08/18 13:24:55 wiz Exp $ */ 2 3 /* 4 * Copyright (c) 2004 5 * Matthias Drochner. All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions, and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 */ 28 29 #include <stdio.h> 30 #include <stdlib.h> 31 #include <unistd.h> 32 #include <err.h> 33 #include <fcntl.h> 34 #include <string.h> 35 #include <sys/ioctl.h> 36 #include <sys/drvctlio.h> 37 38 #define OPTS "dra:" 39 40 static void usage(void); 41 42 static void 43 usage() 44 { 45 46 fprintf(stderr, "Usage: %s -r [-a attribute] busdevice [locator ...]\n" 47 " %s -d device\n", getprogname(), getprogname()); 48 exit(1); 49 } 50 51 int 52 main(int argc, char **argv) 53 { 54 int c, mode; 55 char *attr = 0; 56 extern char *optarg; 57 extern int optind; 58 int fd, res; 59 struct devdetachargs daa; 60 struct devrescanargs raa; 61 int *locs, i; 62 63 while ((c = getopt(argc, argv, OPTS)) != -1) { 64 switch (c) { 65 case 'd': 66 case 'r': 67 mode = c; 68 break; 69 case 'a': 70 attr = optarg; 71 break; 72 case '?': 73 default: 74 usage(); 75 } 76 } 77 78 argc -= optind; 79 argv += optind; 80 81 if (argc < 1) 82 usage(); 83 84 fd = open(DRVCTLDEV, O_RDWR, 0); 85 if (fd < 0) 86 err(2, "open %s", DRVCTLDEV); 87 88 if (mode == 'd') { 89 strlcpy(daa.devname, argv[0], sizeof(daa.devname)); 90 91 res = ioctl(fd, DRVDETACHDEV, &daa); 92 if (res) 93 err(3, "DRVDETACHDEV"); 94 } else if (mode == 'r') { 95 memset(&raa, 0, sizeof(raa)); 96 strlcpy(raa.busname, argv[0], sizeof(raa.busname)); 97 if (attr) 98 strlcpy(raa.ifattr, attr, sizeof(raa.ifattr)); 99 if (argc > 1) { 100 locs = malloc((argc - 1) * sizeof(int)); 101 if (!locs) 102 err(5, "malloc int[%d]", argc - 1); 103 for (i = 0; i < argc - 1; i++) 104 locs[i] = atoi(argv[i + 1]); 105 raa.numlocators = argc - 1; 106 raa.locators = locs; 107 } 108 109 res = ioctl(fd, DRVRESCANBUS, &raa); 110 if (res) 111 err(3, "DRVRESCANBUS"); 112 } else 113 errx(4, "unknown command"); 114 115 return (0); 116 } 117