1 /* $NetBSD: drvctl.c,v 1.6 2008/01/27 01:38:33 dyoung 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 "QRSa:dlpr" 39 40 #define OPEN_MODE(mode) \ 41 (((mode) == 'd' || (mode) == 'r') ? O_RDWR \ 42 : O_RDONLY) 43 44 static void usage(void); 45 46 static void 47 usage(void) 48 { 49 50 fprintf(stderr, "Usage: %s -r [-a attribute] busdevice [locator ...]\n" 51 " %s -d device\n" 52 " %s -l device\n" 53 " %s -p device\n" 54 " %s -Q device\n" 55 " %s -R device\n" 56 " %s -S device\n", 57 getprogname(), getprogname(), getprogname(), getprogname(), 58 getprogname(), getprogname(), getprogname()); 59 exit(1); 60 } 61 62 int 63 main(int argc, char **argv) 64 { 65 int c, mode; 66 char *attr = 0; 67 extern char *optarg; 68 extern int optind; 69 int fd, res; 70 size_t children; 71 struct devpmargs paa = {.devname = "", .flags = 0}; 72 struct devlistargs laa = {.l_devname = "", .l_childname = NULL, 73 .l_children = 0}; 74 struct devdetachargs daa; 75 struct devrescanargs raa; 76 int *locs, i; 77 prop_dictionary_t command_dict, args_dict, results_dict, 78 data_dict; 79 prop_string_t string; 80 prop_number_t number; 81 char *xml; 82 83 mode = 0; 84 while ((c = getopt(argc, argv, OPTS)) != -1) { 85 switch (c) { 86 case 'Q': 87 case 'R': 88 case 'S': 89 case 'd': 90 case 'l': 91 case 'p': 92 case 'r': 93 mode = c; 94 break; 95 case 'a': 96 attr = optarg; 97 break; 98 case '?': 99 default: 100 usage(); 101 } 102 } 103 104 argc -= optind; 105 argv += optind; 106 107 if (argc < 1 || mode == 0) 108 usage(); 109 110 fd = open(DRVCTLDEV, OPEN_MODE(mode), 0); 111 if (fd < 0) 112 err(2, "open %s", DRVCTLDEV); 113 114 switch (mode) { 115 case 'Q': 116 paa.flags = DEVPM_F_SUBTREE; 117 /*FALLTHROUGH*/ 118 case 'R': 119 strlcpy(paa.devname, argv[0], sizeof(paa.devname)); 120 121 if (ioctl(fd, DRVRESUMEDEV, &paa) == -1) 122 err(3, "DRVRESUMEDEV"); 123 break; 124 case 'S': 125 strlcpy(paa.devname, argv[0], sizeof(paa.devname)); 126 127 if (ioctl(fd, DRVSUSPENDDEV, &paa) == -1) 128 err(3, "DRVSUSPENDDEV"); 129 break; 130 case 'd': 131 strlcpy(daa.devname, argv[0], sizeof(daa.devname)); 132 133 if (ioctl(fd, DRVDETACHDEV, &daa) == -1) 134 err(3, "DRVDETACHDEV"); 135 break; 136 case 'l': 137 strlcpy(laa.l_devname, argv[0], sizeof(laa.l_devname)); 138 139 if (ioctl(fd, DRVLISTDEV, &laa) == -1) 140 err(3, "DRVLISTDEV"); 141 142 children = laa.l_children; 143 144 laa.l_childname = malloc(children * sizeof(laa.l_childname[0])); 145 if (laa.l_childname == NULL) 146 err(5, "DRVLISTDEV"); 147 if (ioctl(fd, DRVLISTDEV, &laa) == -1) 148 err(3, "DRVLISTDEV"); 149 if (laa.l_children > children) 150 err(6, "DRVLISTDEV: number of children grew"); 151 152 for (i = 0; i < laa.l_children; i++) 153 printf("%s %s\n", laa.l_devname, laa.l_childname[i]); 154 break; 155 case 'r': 156 memset(&raa, 0, sizeof(raa)); 157 strlcpy(raa.busname, argv[0], sizeof(raa.busname)); 158 if (attr) 159 strlcpy(raa.ifattr, attr, sizeof(raa.ifattr)); 160 if (argc > 1) { 161 locs = malloc((argc - 1) * sizeof(int)); 162 if (!locs) 163 err(5, "malloc int[%d]", argc - 1); 164 for (i = 0; i < argc - 1; i++) 165 locs[i] = atoi(argv[i + 1]); 166 raa.numlocators = argc - 1; 167 raa.locators = locs; 168 } 169 170 if (ioctl(fd, DRVRESCANBUS, &raa) == -1) 171 err(3, "DRVRESCANBUS"); 172 break; 173 case 'p': 174 175 command_dict = prop_dictionary_create(); 176 args_dict = prop_dictionary_create(); 177 178 string = prop_string_create_cstring_nocopy("get-properties"); 179 prop_dictionary_set(command_dict, "drvctl-command", string); 180 prop_object_release(string); 181 182 string = prop_string_create_cstring(argv[0]); 183 prop_dictionary_set(args_dict, "device-name", string); 184 prop_object_release(string); 185 186 prop_dictionary_set(command_dict, "drvctl-arguments", 187 args_dict); 188 prop_object_release(args_dict); 189 190 res = prop_dictionary_sendrecv_ioctl(command_dict, fd, 191 DRVCTLCOMMAND, 192 &results_dict); 193 prop_object_release(command_dict); 194 if (res) 195 errx(3, "DRVCTLCOMMAND: %s", strerror(res)); 196 197 number = prop_dictionary_get(results_dict, "drvctl-error"); 198 if (prop_number_integer_value(number) != 0) { 199 errx(3, "get-properties: %s", 200 strerror((int)prop_number_integer_value(number))); 201 } 202 203 data_dict = prop_dictionary_get(results_dict, 204 "drvctl-result-data"); 205 if (data_dict == NULL) { 206 errx(3, "get-properties: failed to return result data"); 207 } 208 209 xml = prop_dictionary_externalize(data_dict); 210 prop_object_release(results_dict); 211 212 printf("Properties for device `%s':\n%s", 213 argv[0], xml); 214 free(xml); 215 break; 216 default: 217 errx(4, "unknown command"); 218 } 219 220 return (0); 221 } 222