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 28 /* 29 * Print information about system device configuration. 30 */ 31 32 #include <sys/cdefs.h> 33 __FBSDID("$FreeBSD$"); 34 35 #include <sys/types.h> 36 #include <err.h> 37 #include <stdio.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 > 100) || (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 || (dev->dd_name[0] != 0 && dev->dd_state >= DIS_ATTACHED)) { 140 indent = (int)(intptr_t)arg; 141 for (i = 0; i < indent; i++) 142 printf(" "); 143 printf("%s", dev->dd_name[0] ? dev->dd_name : "unknown"); 144 if (vflag && *dev->dd_pnpinfo) 145 printf(" pnpinfo %s", dev->dd_pnpinfo); 146 if (vflag && *dev->dd_location) 147 printf(" at %s", dev->dd_location); 148 printf("\n"); 149 if (rflag) { 150 ia.indent = indent + 4; 151 ia.arg = dev; 152 devinfo_foreach_rman(print_device_rman_resources, 153 (void *)&ia); 154 } 155 } 156 157 return(devinfo_foreach_device_child(dev, print_device, 158 (void *)((char *)arg + 2))); 159 } 160 161 /* 162 * Print information about a resource under a resource manager. 163 */ 164 int 165 print_rman_resource(struct devinfo_res *res, void *arg __unused) 166 { 167 struct devinfo_dev *dev; 168 169 printf(" "); 170 print_resource(res); 171 dev = devinfo_handle_to_device(res->dr_device); 172 if ((dev != NULL) && (dev->dd_name[0] != 0)) { 173 printf(" (%s)", dev->dd_name); 174 } else { 175 printf(" ----"); 176 } 177 printf("\n"); 178 return(0); 179 } 180 181 /* 182 * Print information about a resource manager. 183 */ 184 int 185 print_rman(struct devinfo_rman *rman, void *arg __unused) 186 { 187 printf("%s:\n", rman->dm_desc); 188 devinfo_foreach_rman_resource(rman, print_rman_resource, 0); 189 return(0); 190 } 191 192 int 193 main(int argc, char *argv[]) 194 { 195 struct devinfo_dev *root; 196 int c, uflag; 197 198 uflag = 0; 199 while ((c = getopt(argc, argv, "ruv")) != -1) { 200 switch(c) { 201 case 'r': 202 rflag++; 203 break; 204 case 'u': 205 uflag++; 206 break; 207 case 'v': 208 vflag++; 209 break; 210 default: 211 errx(1, "usage: %s [-ruv]", argv[0]); 212 } 213 } 214 215 if (devinfo_init()) 216 err(1, "devinfo_init"); 217 218 if ((root = devinfo_handle_to_device(DEVINFO_ROOT_DEVICE)) == NULL) 219 errx(1, "can't find root device"); 220 221 /* print resource usage? */ 222 if (uflag) { 223 devinfo_foreach_rman(print_rman, NULL); 224 } else { 225 /* print device hierarchy */ 226 devinfo_foreach_device_child(root, print_device, (void *)0); 227 } 228 return(0); 229 } 230