drvctl.c revision 1.10
1 /* $NetBSD: drvctl.c,v 1.10 2009/04/20 21:41:50 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 <stdbool.h> 30 #include <stdio.h> 31 #include <stdlib.h> 32 #include <unistd.h> 33 #include <err.h> 34 #include <fcntl.h> 35 #include <string.h> 36 #include <sys/ioctl.h> 37 #include <sys/drvctlio.h> 38 39 #define OPTS "QRSa:dlnpr" 40 41 #define OPEN_MODE(mode) \ 42 (((mode) == 'd' || (mode) == 'r') ? O_RDWR \ 43 : O_RDONLY) 44 45 static void usage(void); 46 47 static void 48 usage(void) 49 { 50 51 fprintf(stderr, "Usage: %s -r [-a attribute] busdevice [locator ...]\n" 52 " %s -d device\n" 53 " %s [-n] -l [device]\n" 54 " %s -p device\n" 55 " %s -Q device\n" 56 " %s -R device\n" 57 " %s -S device\n", 58 getprogname(), getprogname(), getprogname(), getprogname(), 59 getprogname(), getprogname(), getprogname()); 60 exit(1); 61 } 62 63 int 64 main(int argc, char **argv) 65 { 66 bool nflag = false; 67 int c, mode; 68 char *attr = 0; 69 extern char *optarg; 70 extern int optind; 71 int fd, res; 72 size_t children; 73 struct devpmargs paa = {.devname = "", .flags = 0}; 74 struct devlistargs laa = {.l_devname = "", .l_childname = NULL, 75 .l_children = 0}; 76 struct devdetachargs daa; 77 struct devrescanargs raa; 78 int *locs, i; 79 prop_dictionary_t command_dict, args_dict, results_dict, 80 data_dict; 81 prop_string_t string; 82 prop_number_t number; 83 char *xml; 84 85 mode = 0; 86 while ((c = getopt(argc, argv, OPTS)) != -1) { 87 switch (c) { 88 case 'Q': 89 case 'R': 90 case 'S': 91 case 'd': 92 case 'l': 93 case 'p': 94 case 'r': 95 mode = c; 96 break; 97 case 'a': 98 attr = optarg; 99 break; 100 case 'n': 101 nflag = true; 102 break; 103 case '?': 104 default: 105 usage(); 106 } 107 } 108 109 argc -= optind; 110 argv += optind; 111 112 if ((argc < 1 && mode != 'l') || mode == 0) 113 usage(); 114 115 fd = open(DRVCTLDEV, OPEN_MODE(mode), 0); 116 if (fd < 0) 117 err(2, "open %s", DRVCTLDEV); 118 119 switch (mode) { 120 case 'Q': 121 paa.flags = DEVPM_F_SUBTREE; 122 /*FALLTHROUGH*/ 123 case 'R': 124 strlcpy(paa.devname, argv[0], sizeof(paa.devname)); 125 126 if (ioctl(fd, DRVRESUMEDEV, &paa) == -1) 127 err(3, "DRVRESUMEDEV"); 128 break; 129 case 'S': 130 strlcpy(paa.devname, argv[0], sizeof(paa.devname)); 131 132 if (ioctl(fd, DRVSUSPENDDEV, &paa) == -1) 133 err(3, "DRVSUSPENDDEV"); 134 break; 135 case 'd': 136 strlcpy(daa.devname, argv[0], sizeof(daa.devname)); 137 138 if (ioctl(fd, DRVDETACHDEV, &daa) == -1) 139 err(3, "DRVDETACHDEV"); 140 break; 141 case 'l': 142 if (argc == 0) 143 *laa.l_devname = '\0'; 144 else 145 strlcpy(laa.l_devname, argv[0], sizeof(laa.l_devname)); 146 147 if (ioctl(fd, DRVLISTDEV, &laa) == -1) 148 err(3, "DRVLISTDEV"); 149 150 children = laa.l_children; 151 152 laa.l_childname = malloc(children * sizeof(laa.l_childname[0])); 153 if (laa.l_childname == NULL) 154 err(5, "DRVLISTDEV"); 155 if (ioctl(fd, DRVLISTDEV, &laa) == -1) 156 err(3, "DRVLISTDEV"); 157 if (laa.l_children > children) 158 err(6, "DRVLISTDEV: number of children grew"); 159 160 for (i = 0; i < (int)laa.l_children; i++) { 161 if (!nflag) { 162 printf("%s ", 163 (argc == 0) ? "root" : laa.l_devname); 164 } 165 printf("%s\n", laa.l_childname[i]); 166 } 167 break; 168 case 'r': 169 memset(&raa, 0, sizeof(raa)); 170 strlcpy(raa.busname, argv[0], sizeof(raa.busname)); 171 if (attr) 172 strlcpy(raa.ifattr, attr, sizeof(raa.ifattr)); 173 if (argc > 1) { 174 locs = malloc((argc - 1) * sizeof(int)); 175 if (!locs) 176 err(5, "malloc int[%d]", argc - 1); 177 for (i = 0; i < argc - 1; i++) 178 locs[i] = atoi(argv[i + 1]); 179 raa.numlocators = argc - 1; 180 raa.locators = locs; 181 } 182 183 if (ioctl(fd, DRVRESCANBUS, &raa) == -1) 184 err(3, "DRVRESCANBUS"); 185 break; 186 case 'p': 187 188 command_dict = prop_dictionary_create(); 189 args_dict = prop_dictionary_create(); 190 191 string = prop_string_create_cstring_nocopy("get-properties"); 192 prop_dictionary_set(command_dict, "drvctl-command", string); 193 prop_object_release(string); 194 195 string = prop_string_create_cstring(argv[0]); 196 prop_dictionary_set(args_dict, "device-name", string); 197 prop_object_release(string); 198 199 prop_dictionary_set(command_dict, "drvctl-arguments", 200 args_dict); 201 prop_object_release(args_dict); 202 203 res = prop_dictionary_sendrecv_ioctl(command_dict, fd, 204 DRVCTLCOMMAND, 205 &results_dict); 206 prop_object_release(command_dict); 207 if (res) 208 errx(3, "DRVCTLCOMMAND: %s", strerror(res)); 209 210 number = prop_dictionary_get(results_dict, "drvctl-error"); 211 if (prop_number_integer_value(number) != 0) { 212 errx(3, "get-properties: %s", 213 strerror((int)prop_number_integer_value(number))); 214 } 215 216 data_dict = prop_dictionary_get(results_dict, 217 "drvctl-result-data"); 218 if (data_dict == NULL) { 219 errx(3, "get-properties: failed to return result data"); 220 } 221 222 xml = prop_dictionary_externalize(data_dict); 223 prop_object_release(results_dict); 224 225 printf("Properties for device `%s':\n%s", 226 argv[0], xml); 227 free(xml); 228 break; 229 default: 230 errx(4, "unknown command"); 231 } 232 233 return (0); 234 } 235
Indexes created Mon Sep 29 18:09:42 GMT 2025