1 /*- 2 * Copyright (c) 2000, 2001 Michael Smith 3 * Copyright (c) 2000 BSDi 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25 * SUCH DAMAGE. 26 * 27 * $FreeBSD: src/usr.sbin/devinfo/devinfo.c,v 1.7 2007/10/27 13:06:15 jhb Exp $ 28 */ 29 30 /* 31 * Print information about system device configuration. 32 */ 33 34 #include <sys/types.h> 35 #include <err.h> 36 #include <stdio.h> 37 #include <stdlib.h> 38 #include <unistd.h> 39 #include "devinfo.h" 40 41 int rflag; 42 int vflag; 43 44 static void print_resource(struct devinfo_res *); 45 static int print_device_matching_resource(struct devinfo_res *, void *); 46 static int print_device_rman_resources(struct devinfo_rman *, void *); 47 static int print_device(struct devinfo_dev *, void *); 48 static int print_rman_resource(struct devinfo_res *, void *); 49 static int print_rman(struct devinfo_rman *, void *); 50 51 struct indent_arg 52 { 53 int indent; 54 void *arg; 55 }; 56 57 /* 58 * Print a resource. 59 */ 60 void 61 print_resource(struct devinfo_res *res) 62 { 63 struct devinfo_rman *rman; 64 int hexmode; 65 66 rman = devinfo_handle_to_rman(res->dr_rman); 67 hexmode = (rman->dm_size > 1000) || (rman->dm_size == 0); 68 printf(hexmode ? "0x%lx" : "%lu", res->dr_start); 69 if (res->dr_size > 1) 70 printf(hexmode ? "-0x%lx" : "-%lu", 71 res->dr_start + res->dr_size - 1); 72 } 73 74 /* 75 * Print resource information if this resource matches the 76 * given device. 77 * 78 * If the given indent is 0, return an indicator that a matching 79 * resource exists. 80 */ 81 int 82 print_device_matching_resource(struct devinfo_res *res, void *arg) 83 { 84 struct indent_arg *ia = (struct indent_arg *)arg; 85 struct devinfo_dev *dev = (struct devinfo_dev *)ia->arg; 86 int i; 87 88 if (devinfo_handle_to_device(res->dr_device) == dev) { 89 /* in 'detect' mode, found a match */ 90 if (ia->indent == 0) 91 return(1); 92 for (i = 0; i < ia->indent; i++) 93 printf(" "); 94 print_resource(res); 95 printf("\n"); 96 } 97 return(0); 98 } 99 100 /* 101 * Print resource information for this device and resource manager. 102 */ 103 int 104 print_device_rman_resources(struct devinfo_rman *rman, void *arg) 105 { 106 struct indent_arg *ia = (struct indent_arg *)arg; 107 int indent, i; 108 109 indent = ia->indent; 110 111 /* check whether there are any resources matching this device */ 112 ia->indent = 0; 113 if (devinfo_foreach_rman_resource(rman, 114 print_device_matching_resource, ia) != 0) { 115 116 /* there are, print header */ 117 for (i = 0; i < indent; i++) 118 printf(" "); 119 printf("%s:\n", rman->dm_desc); 120 121 /* print resources */ 122 ia->indent = indent + 4; 123 devinfo_foreach_rman_resource(rman, 124 print_device_matching_resource, ia); 125 } 126 ia->indent = indent; 127 return(0); 128 } 129 130 /* 131 * Print information about a device. 132 */ 133 int 134 print_device(struct devinfo_dev *dev, void *arg) 135 { 136 struct indent_arg ia; 137 int i, indent; 138 139 if (vflag > 1 || 140 (vflag && (dev->dd_flags & DIF_ENABLED)) || 141 (dev->dd_name[0] != 0 && dev->dd_state >= DS_INPROGRESS)) { 142 indent = (int)(intptr_t)arg; 143 for (i = 0; i < indent; i++) 144 printf(" "); 145 if (vflag && (dev->dd_flags & DIF_ENABLED) == 0) { 146 if (dev->dd_name[0]) 147 printf("%s", dev->dd_name); 148 printf("(disabled)"); 149 } else { 150 printf("%s", dev->dd_name[0] ? dev->dd_name : "unknown"); 151 } 152 if (vflag && *dev->dd_pnpinfo) 153 printf(" pnpinfo %s", dev->dd_pnpinfo); 154 if (vflag && *dev->dd_location) 155 printf(" at %s", dev->dd_location); 156 printf("\n"); 157 if (rflag) { 158 ia.indent = indent + 4; 159 ia.arg = dev; 160 devinfo_foreach_rman(print_device_rman_resources, 161 (void *)&ia); 162 } 163 } 164 165 return(devinfo_foreach_device_child(dev, print_device, 166 (void *)((char *)arg + 2))); 167 } 168 169 /* 170 * Print information about a resource under a resource manager. 171 */ 172 int 173 print_rman_resource(struct devinfo_res *res, void *arg __unused) 174 { 175 struct devinfo_dev *dev; 176 177 printf(" "); 178 print_resource(res); 179 dev = devinfo_handle_to_device(res->dr_device); 180 if ((dev != NULL) && (dev->dd_name[0] != 0)) { 181 printf(" (%s)", dev->dd_name); 182 } else { 183 printf(" ----"); 184 } 185 printf("\n"); 186 return(0); 187 } 188 189 /* 190 * Print information about a resource manager. 191 */ 192 int 193 print_rman(struct devinfo_rman *rman, void *arg __unused) 194 { 195 printf("%s:\n", rman->dm_desc); 196 devinfo_foreach_rman_resource(rman, print_rman_resource, 0); 197 return(0); 198 } 199 200 int 201 main(int argc, char *argv[]) 202 { 203 struct devinfo_dev *root; 204 int c, uflag; 205 206 uflag = 0; 207 while ((c = getopt(argc, argv, "ruv")) != -1) { 208 switch(c) { 209 case 'r': 210 rflag++; 211 break; 212 case 'u': 213 uflag++; 214 break; 215 case 'v': 216 vflag++; 217 break; 218 default: 219 fprintf(stderr, "%s\n%s\n", 220 "usage: devinfo [-rv]", 221 " devinfo -u"); 222 exit(1); 223 } 224 } 225 226 if (devinfo_init()) 227 err(1, "devinfo_init"); 228 229 if ((root = devinfo_handle_to_device(DEVINFO_ROOT_DEVICE)) == NULL) 230 errx(1, "can't find root device"); 231 232 /* print resource usage? */ 233 if (uflag) { 234 devinfo_foreach_rman(print_rman, NULL); 235 } else { 236 /* print device hierarchy */ 237 devinfo_foreach_device_child(root, print_device, NULL); 238 } 239 return(0); 240 } 241