acpi_debug.c revision 1.2
1 /* $NetBSD: acpi_debug.c,v 1.2 2010/04/12 12:14:26 jruoho Exp $ */ 2 3 /*- 4 * Copyright (c) 2010 Jukka Ruohonen <jruohonen (at) iki.fi> 5 * 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 * 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 */ 29 #include <sys/cdefs.h> 30 __KERNEL_RCSID(0, "$NetBSD: acpi_debug.c,v 1.2 2010/04/12 12:14:26 jruoho Exp $"); 31 32 #include <sys/param.h> 33 #include <sys/sysctl.h> 34 35 #include <dev/acpi/acpireg.h> 36 #include <dev/acpi/acpivar.h> 37 38 #include <prop/proplib.h> 39 40 #ifdef ACPI_DEBUG 41 42 #define _COMPONENT ACPI_UTILITIES 43 ACPI_MODULE_NAME ("acpi_debug") 44 45 #define ACPI_DEBUG_MAX 64 46 #define ACPI_DEBUG_NONE 0 47 48 #define ACPI_DEBUG_ADD(d, x) \ 49 do { \ 50 (void)prop_dictionary_set_uint32(d, #x, x); \ 51 \ 52 } while (/* CONSTCOND */ 0) 53 54 55 static prop_dictionary_t acpi_debug_layer_d; 56 static prop_dictionary_t acpi_debug_level_d; 57 static char acpi_debug_layer_s[ACPI_DEBUG_MAX]; 58 static char acpi_debug_level_s[ACPI_DEBUG_MAX]; 59 60 static int acpi_debug_create(void); 61 static const char *acpi_debug_getkey(prop_dictionary_t, uint32_t); 62 static int acpi_debug_sysctl_layer(SYSCTLFN_PROTO); 63 static int acpi_debug_sysctl_level(SYSCTLFN_PROTO); 64 65 void 66 acpi_debug_init(void) 67 { 68 const struct sysctlnode *rnode; 69 const char *layer, *level; 70 int rv; 71 72 KASSERT(acpi_debug_layer_d == NULL); 73 KASSERT(acpi_debug_level_d == NULL); 74 75 rv = acpi_debug_create(); 76 77 if (rv != 0) 78 goto fail; 79 80 rv = sysctl_createv(NULL, 0, NULL, &rnode, 81 CTLFLAG_PERMANENT, CTLTYPE_NODE, "hw", 82 NULL, NULL, 0, NULL, 0, 83 CTL_HW, CTL_EOL); 84 85 if (rv != 0) 86 goto fail; 87 88 rv = sysctl_createv(NULL, 0, &rnode, &rnode, 89 CTLFLAG_PERMANENT, CTLTYPE_NODE, "acpi", 90 NULL, NULL, 0, NULL, 0, 91 CTL_CREATE, CTL_EOL); 92 93 if (rv != 0) 94 goto fail; 95 96 rv = sysctl_createv(NULL, 0, &rnode, &rnode, 97 0, CTLTYPE_NODE, "debug", 98 SYSCTL_DESCR("ACPI debug subtree"), 99 NULL, 0, NULL, 0, 100 CTL_CREATE, CTL_EOL); 101 102 if (rv != 0) 103 goto fail; 104 105 rv = sysctl_createv(NULL, 0, &rnode, NULL, 106 CTLFLAG_READWRITE, CTLTYPE_STRING, "layer", 107 SYSCTL_DESCR("ACPI debug layer"), 108 acpi_debug_sysctl_layer, 0, acpi_debug_layer_s, ACPI_DEBUG_MAX, 109 CTL_CREATE, CTL_EOL); 110 111 if (rv != 0) 112 goto fail; 113 114 rv = sysctl_createv(NULL, 0, &rnode, NULL, 115 CTLFLAG_READWRITE, CTLTYPE_STRING, "level", 116 SYSCTL_DESCR("ACPI debug level"), 117 acpi_debug_sysctl_level, 0, acpi_debug_level_s, ACPI_DEBUG_MAX, 118 CTL_CREATE, CTL_EOL); 119 120 if (rv != 0) 121 goto fail; 122 123 layer = acpi_debug_getkey(acpi_debug_layer_d, AcpiDbgLayer); 124 level = acpi_debug_getkey(acpi_debug_level_d, AcpiDbgLevel); 125 126 (void)memcpy(acpi_debug_layer_s, layer, ACPI_DEBUG_MAX); 127 (void)memcpy(acpi_debug_level_s, level, ACPI_DEBUG_MAX); 128 129 return; 130 131 fail: 132 aprint_error("acpi0: failed to initialize ACPI debug\n"); 133 } 134 135 static int 136 acpi_debug_create(void) 137 { 138 139 acpi_debug_layer_d = prop_dictionary_create(); 140 acpi_debug_level_d = prop_dictionary_create(); 141 142 KASSERT(acpi_debug_layer_d != NULL); 143 KASSERT(acpi_debug_level_d != NULL); 144 145 /* 146 * General components. 147 */ 148 ACPI_DEBUG_ADD(acpi_debug_layer_d, ACPI_UTILITIES); 149 ACPI_DEBUG_ADD(acpi_debug_layer_d, ACPI_HARDWARE); 150 ACPI_DEBUG_ADD(acpi_debug_layer_d, ACPI_EVENTS); 151 ACPI_DEBUG_ADD(acpi_debug_layer_d, ACPI_TABLES); 152 ACPI_DEBUG_ADD(acpi_debug_layer_d, ACPI_NAMESPACE); 153 ACPI_DEBUG_ADD(acpi_debug_layer_d, ACPI_PARSER); 154 ACPI_DEBUG_ADD(acpi_debug_layer_d, ACPI_DISPATCHER); 155 ACPI_DEBUG_ADD(acpi_debug_layer_d, ACPI_EXECUTER); 156 ACPI_DEBUG_ADD(acpi_debug_layer_d, ACPI_RESOURCES); 157 ACPI_DEBUG_ADD(acpi_debug_layer_d, ACPI_CA_DEBUGGER); 158 ACPI_DEBUG_ADD(acpi_debug_layer_d, ACPI_OS_SERVICES); 159 ACPI_DEBUG_ADD(acpi_debug_layer_d, ACPI_CA_DISASSEMBLER); 160 ACPI_DEBUG_ADD(acpi_debug_layer_d, ACPI_COMPILER); 161 ACPI_DEBUG_ADD(acpi_debug_layer_d, ACPI_TOOLS); 162 ACPI_DEBUG_ADD(acpi_debug_layer_d, ACPI_EXAMPLE); 163 ACPI_DEBUG_ADD(acpi_debug_layer_d, ACPI_DRIVER); 164 ACPI_DEBUG_ADD(acpi_debug_layer_d, ACPI_ALL_COMPONENTS); 165 166 /* 167 * NetBSD specific components. 168 */ 169 ACPI_DEBUG_ADD(acpi_debug_layer_d, ACPI_BUS_COMPONENT); 170 ACPI_DEBUG_ADD(acpi_debug_layer_d, ACPI_ACAD_COMPONENT); 171 ACPI_DEBUG_ADD(acpi_debug_layer_d, ACPI_BAT_COMPONENT); 172 ACPI_DEBUG_ADD(acpi_debug_layer_d, ACPI_BUTTON_COMPONENT); 173 ACPI_DEBUG_ADD(acpi_debug_layer_d, ACPI_EC_COMPONENT); 174 ACPI_DEBUG_ADD(acpi_debug_layer_d, ACPI_LID_COMPONENT); 175 ACPI_DEBUG_ADD(acpi_debug_layer_d, ACPI_RESOURCE_COMPONENT); 176 ACPI_DEBUG_ADD(acpi_debug_layer_d, ACPI_TZ_COMPONENT); 177 ACPI_DEBUG_ADD(acpi_debug_layer_d, ACPI_ALL_DRIVERS); 178 179 /* 180 * Debug levels. 181 */ 182 ACPI_DEBUG_ADD(acpi_debug_level_d, ACPI_LV_INIT); 183 ACPI_DEBUG_ADD(acpi_debug_level_d, ACPI_LV_DEBUG_OBJECT); 184 ACPI_DEBUG_ADD(acpi_debug_level_d, ACPI_LV_INFO); 185 ACPI_DEBUG_ADD(acpi_debug_level_d, ACPI_LV_ALL_EXCEPTIONS); 186 187 ACPI_DEBUG_ADD(acpi_debug_level_d, ACPI_LV_INIT_NAMES); 188 ACPI_DEBUG_ADD(acpi_debug_level_d, ACPI_LV_PARSE); 189 ACPI_DEBUG_ADD(acpi_debug_level_d, ACPI_LV_LOAD); 190 ACPI_DEBUG_ADD(acpi_debug_level_d, ACPI_LV_DISPATCH); 191 ACPI_DEBUG_ADD(acpi_debug_level_d, ACPI_LV_EXEC); 192 ACPI_DEBUG_ADD(acpi_debug_level_d, ACPI_LV_NAMES); 193 ACPI_DEBUG_ADD(acpi_debug_level_d, ACPI_LV_OPREGION); 194 ACPI_DEBUG_ADD(acpi_debug_level_d, ACPI_LV_BFIELD); 195 ACPI_DEBUG_ADD(acpi_debug_level_d, ACPI_LV_TABLES); 196 ACPI_DEBUG_ADD(acpi_debug_level_d, ACPI_LV_VALUES); 197 ACPI_DEBUG_ADD(acpi_debug_level_d, ACPI_LV_OBJECTS); 198 ACPI_DEBUG_ADD(acpi_debug_level_d, ACPI_LV_RESOURCES); 199 ACPI_DEBUG_ADD(acpi_debug_level_d, ACPI_LV_USER_REQUESTS); 200 ACPI_DEBUG_ADD(acpi_debug_level_d, ACPI_LV_PACKAGE); 201 ACPI_DEBUG_ADD(acpi_debug_level_d, ACPI_LV_VERBOSITY1); 202 203 ACPI_DEBUG_ADD(acpi_debug_level_d, ACPI_LV_ALLOCATIONS); 204 ACPI_DEBUG_ADD(acpi_debug_level_d, ACPI_LV_FUNCTIONS); 205 ACPI_DEBUG_ADD(acpi_debug_level_d, ACPI_LV_OPTIMIZATIONS); 206 ACPI_DEBUG_ADD(acpi_debug_level_d, ACPI_LV_VERBOSITY2); 207 208 ACPI_DEBUG_ADD(acpi_debug_level_d, ACPI_LV_MUTEX); 209 ACPI_DEBUG_ADD(acpi_debug_level_d, ACPI_LV_THREADS); 210 ACPI_DEBUG_ADD(acpi_debug_level_d, ACPI_LV_IO); 211 ACPI_DEBUG_ADD(acpi_debug_level_d, ACPI_LV_INTERRUPTS); 212 ACPI_DEBUG_ADD(acpi_debug_level_d, ACPI_LV_VERBOSITY3); 213 214 ACPI_DEBUG_ADD(acpi_debug_level_d, ACPI_LV_AML_DISASSEMBLE); 215 ACPI_DEBUG_ADD(acpi_debug_level_d, ACPI_LV_VERBOSE_INFO); 216 ACPI_DEBUG_ADD(acpi_debug_level_d, ACPI_LV_FULL_TABLES); 217 ACPI_DEBUG_ADD(acpi_debug_level_d, ACPI_LV_EVENTS); 218 ACPI_DEBUG_ADD(acpi_debug_level_d, ACPI_LV_VERBOSE); 219 220 /* 221 * The default debug level. 222 */ 223 ACPI_DEBUG_ADD(acpi_debug_level_d, ACPI_DEBUG_DEFAULT); 224 225 /* 226 * A custom ACPI_DEBUG_NONE disables debugging. 227 */ 228 ACPI_DEBUG_ADD(acpi_debug_layer_d, ACPI_DEBUG_NONE); 229 ACPI_DEBUG_ADD(acpi_debug_level_d, ACPI_DEBUG_NONE); 230 231 prop_dictionary_make_immutable(acpi_debug_layer_d); 232 prop_dictionary_make_immutable(acpi_debug_level_d); 233 234 return 0; 235 } 236 237 static const char * 238 acpi_debug_getkey(prop_dictionary_t dict, uint32_t arg) 239 { 240 prop_object_iterator_t i; 241 prop_object_t obj, val; 242 const char *key; 243 uint32_t num; 244 245 i = prop_dictionary_iterator(dict); 246 247 while ((obj = prop_object_iterator_next(i)) != NULL) { 248 249 key = prop_dictionary_keysym_cstring_nocopy(obj); 250 val = prop_dictionary_get(dict, key); 251 num = prop_number_unsigned_integer_value(val); 252 253 if (arg == num) 254 return key; 255 } 256 257 return "UNKNOWN"; 258 } 259 260 static int 261 acpi_debug_sysctl_layer(SYSCTLFN_ARGS) 262 { 263 char buf[ACPI_DEBUG_MAX]; 264 struct sysctlnode node; 265 prop_object_t obj; 266 int error; 267 268 node = *rnode; 269 node.sysctl_data = buf; 270 271 (void)memcpy(node.sysctl_data, rnode->sysctl_data, ACPI_DEBUG_MAX); 272 273 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 274 275 if (error || newp == NULL) 276 return error; 277 278 obj = prop_dictionary_get(acpi_debug_layer_d, node.sysctl_data); 279 280 if (obj == NULL) 281 return EINVAL; 282 283 AcpiDbgLayer = prop_number_unsigned_integer_value(obj); 284 285 (void)memcpy(rnode->sysctl_data, node.sysctl_data, ACPI_DEBUG_MAX); 286 287 return 0; 288 } 289 290 static int 291 acpi_debug_sysctl_level(SYSCTLFN_ARGS) 292 { 293 char buf[ACPI_DEBUG_MAX]; 294 struct sysctlnode node; 295 prop_object_t obj; 296 int error; 297 298 node = *rnode; 299 node.sysctl_data = buf; 300 301 (void)memcpy(node.sysctl_data, rnode->sysctl_data, ACPI_DEBUG_MAX); 302 303 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 304 305 if (error || newp == NULL) 306 return error; 307 308 obj = prop_dictionary_get(acpi_debug_level_d, node.sysctl_data); 309 310 if (obj == NULL) 311 return EINVAL; 312 313 AcpiDbgLevel = prop_number_unsigned_integer_value(obj); 314 315 (void)memcpy(rnode->sysctl_data, node.sysctl_data, ACPI_DEBUG_MAX); 316 317 return 0; 318 } 319 320 #endif /* ACPI_DEBUG */ 321
Indexes created Tue Sep 23 07:09:52 GMT 2025