| 1 | /* $NetBSD: acpi_debug.c,v 1.5 2014/02/25 18:30:09 pooka Exp $ */ |
| 2 | |
| 3 | /*- |
| 4 | * Copyright (c) 2010 Jukka Ruohonen <jruohonen@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 1.5 2014/02/25 18:30:09 pooka 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, "acpi" , |
| 82 | NULL, NULL, 0, NULL, 0, |
| 83 | CTL_HW, CTL_CREATE, CTL_EOL); |
| 84 | |
| 85 | if (rv != 0) |
| 86 | goto fail; |
| 87 | |
| 88 | rv = sysctl_createv(NULL, 0, &rnode, &rnode, |
| 89 | 0, CTLTYPE_NODE, "debug" , |
| 90 | SYSCTL_DESCR("ACPI debug subtree" ), |
| 91 | NULL, 0, NULL, 0, |
| 92 | CTL_CREATE, CTL_EOL); |
| 93 | |
| 94 | if (rv != 0) |
| 95 | goto fail; |
| 96 | |
| 97 | rv = sysctl_createv(NULL, 0, &rnode, NULL, |
| 98 | CTLFLAG_READWRITE, CTLTYPE_STRING, "layer" , |
| 99 | SYSCTL_DESCR("ACPI debug layer" ), |
| 100 | acpi_debug_sysctl_layer, 0, acpi_debug_layer_s, ACPI_DEBUG_MAX, |
| 101 | CTL_CREATE, CTL_EOL); |
| 102 | |
| 103 | if (rv != 0) |
| 104 | goto fail; |
| 105 | |
| 106 | rv = sysctl_createv(NULL, 0, &rnode, NULL, |
| 107 | CTLFLAG_READWRITE, CTLTYPE_STRING, "level" , |
| 108 | SYSCTL_DESCR("ACPI debug level" ), |
| 109 | acpi_debug_sysctl_level, 0, acpi_debug_level_s, ACPI_DEBUG_MAX, |
| 110 | CTL_CREATE, CTL_EOL); |
| 111 | |
| 112 | if (rv != 0) |
| 113 | goto fail; |
| 114 | |
| 115 | rv = sysctl_createv(NULL, 0, &rnode, NULL, |
| 116 | CTLFLAG_READWRITE, CTLTYPE_BOOL, "object" , |
| 117 | SYSCTL_DESCR("ACPI debug object" ), |
| 118 | NULL, 0, &AcpiGbl_EnableAmlDebugObject, 0, |
| 119 | CTL_CREATE, CTL_EOL); |
| 120 | |
| 121 | if (rv != 0) |
| 122 | goto fail; |
| 123 | |
| 124 | layer = acpi_debug_getkey(acpi_debug_layer_d, AcpiDbgLayer); |
| 125 | level = acpi_debug_getkey(acpi_debug_level_d, AcpiDbgLevel); |
| 126 | |
| 127 | (void)memcpy(acpi_debug_layer_s, layer, ACPI_DEBUG_MAX); |
| 128 | (void)memcpy(acpi_debug_level_s, level, ACPI_DEBUG_MAX); |
| 129 | |
| 130 | return; |
| 131 | |
| 132 | fail: |
| 133 | aprint_error("acpi0: failed to initialize ACPI debug\n" ); |
| 134 | } |
| 135 | |
| 136 | static int |
| 137 | acpi_debug_create(void) |
| 138 | { |
| 139 | |
| 140 | acpi_debug_layer_d = prop_dictionary_create(); |
| 141 | acpi_debug_level_d = prop_dictionary_create(); |
| 142 | |
| 143 | KASSERT(acpi_debug_layer_d != NULL); |
| 144 | KASSERT(acpi_debug_level_d != NULL); |
| 145 | |
| 146 | /* |
| 147 | * General components. |
| 148 | */ |
| 149 | ACPI_DEBUG_ADD(acpi_debug_layer_d, ACPI_UTILITIES); |
| 150 | ACPI_DEBUG_ADD(acpi_debug_layer_d, ACPI_HARDWARE); |
| 151 | ACPI_DEBUG_ADD(acpi_debug_layer_d, ACPI_EVENTS); |
| 152 | ACPI_DEBUG_ADD(acpi_debug_layer_d, ACPI_TABLES); |
| 153 | ACPI_DEBUG_ADD(acpi_debug_layer_d, ACPI_NAMESPACE); |
| 154 | ACPI_DEBUG_ADD(acpi_debug_layer_d, ACPI_PARSER); |
| 155 | ACPI_DEBUG_ADD(acpi_debug_layer_d, ACPI_DISPATCHER); |
| 156 | ACPI_DEBUG_ADD(acpi_debug_layer_d, ACPI_EXECUTER); |
| 157 | ACPI_DEBUG_ADD(acpi_debug_layer_d, ACPI_RESOURCES); |
| 158 | ACPI_DEBUG_ADD(acpi_debug_layer_d, ACPI_CA_DEBUGGER); |
| 159 | ACPI_DEBUG_ADD(acpi_debug_layer_d, ACPI_OS_SERVICES); |
| 160 | ACPI_DEBUG_ADD(acpi_debug_layer_d, ACPI_CA_DISASSEMBLER); |
| 161 | ACPI_DEBUG_ADD(acpi_debug_layer_d, ACPI_COMPILER); |
| 162 | ACPI_DEBUG_ADD(acpi_debug_layer_d, ACPI_TOOLS); |
| 163 | ACPI_DEBUG_ADD(acpi_debug_layer_d, ACPI_EXAMPLE); |
| 164 | ACPI_DEBUG_ADD(acpi_debug_layer_d, ACPI_DRIVER); |
| 165 | ACPI_DEBUG_ADD(acpi_debug_layer_d, ACPI_ALL_COMPONENTS); |
| 166 | |
| 167 | /* |
| 168 | * NetBSD specific components. |
| 169 | */ |
| 170 | ACPI_DEBUG_ADD(acpi_debug_layer_d, ACPI_BUS_COMPONENT); |
| 171 | ACPI_DEBUG_ADD(acpi_debug_layer_d, ACPI_ACAD_COMPONENT); |
| 172 | ACPI_DEBUG_ADD(acpi_debug_layer_d, ACPI_BAT_COMPONENT); |
| 173 | ACPI_DEBUG_ADD(acpi_debug_layer_d, ACPI_BUTTON_COMPONENT); |
| 174 | ACPI_DEBUG_ADD(acpi_debug_layer_d, ACPI_EC_COMPONENT); |
| 175 | ACPI_DEBUG_ADD(acpi_debug_layer_d, ACPI_LID_COMPONENT); |
| 176 | ACPI_DEBUG_ADD(acpi_debug_layer_d, ACPI_RESOURCE_COMPONENT); |
| 177 | ACPI_DEBUG_ADD(acpi_debug_layer_d, ACPI_TZ_COMPONENT); |
| 178 | ACPI_DEBUG_ADD(acpi_debug_layer_d, ACPI_DISPLAY_COMPONENT); |
| 179 | ACPI_DEBUG_ADD(acpi_debug_layer_d, ACPI_ALL_DRIVERS); |
| 180 | |
| 181 | /* |
| 182 | * Debug levels. |
| 183 | */ |
| 184 | ACPI_DEBUG_ADD(acpi_debug_level_d, ACPI_LV_INIT); |
| 185 | ACPI_DEBUG_ADD(acpi_debug_level_d, ACPI_LV_DEBUG_OBJECT); |
| 186 | ACPI_DEBUG_ADD(acpi_debug_level_d, ACPI_LV_INFO); |
| 187 | ACPI_DEBUG_ADD(acpi_debug_level_d, ACPI_LV_ALL_EXCEPTIONS); |
| 188 | |
| 189 | ACPI_DEBUG_ADD(acpi_debug_level_d, ACPI_LV_INIT_NAMES); |
| 190 | ACPI_DEBUG_ADD(acpi_debug_level_d, ACPI_LV_PARSE); |
| 191 | ACPI_DEBUG_ADD(acpi_debug_level_d, ACPI_LV_LOAD); |
| 192 | ACPI_DEBUG_ADD(acpi_debug_level_d, ACPI_LV_DISPATCH); |
| 193 | ACPI_DEBUG_ADD(acpi_debug_level_d, ACPI_LV_EXEC); |
| 194 | ACPI_DEBUG_ADD(acpi_debug_level_d, ACPI_LV_NAMES); |
| 195 | ACPI_DEBUG_ADD(acpi_debug_level_d, ACPI_LV_OPREGION); |
| 196 | ACPI_DEBUG_ADD(acpi_debug_level_d, ACPI_LV_BFIELD); |
| 197 | ACPI_DEBUG_ADD(acpi_debug_level_d, ACPI_LV_TABLES); |
| 198 | ACPI_DEBUG_ADD(acpi_debug_level_d, ACPI_LV_VALUES); |
| 199 | ACPI_DEBUG_ADD(acpi_debug_level_d, ACPI_LV_OBJECTS); |
| 200 | ACPI_DEBUG_ADD(acpi_debug_level_d, ACPI_LV_RESOURCES); |
| 201 | ACPI_DEBUG_ADD(acpi_debug_level_d, ACPI_LV_USER_REQUESTS); |
| 202 | ACPI_DEBUG_ADD(acpi_debug_level_d, ACPI_LV_PACKAGE); |
| 203 | ACPI_DEBUG_ADD(acpi_debug_level_d, ACPI_LV_VERBOSITY1); |
| 204 | |
| 205 | ACPI_DEBUG_ADD(acpi_debug_level_d, ACPI_LV_ALLOCATIONS); |
| 206 | ACPI_DEBUG_ADD(acpi_debug_level_d, ACPI_LV_FUNCTIONS); |
| 207 | ACPI_DEBUG_ADD(acpi_debug_level_d, ACPI_LV_OPTIMIZATIONS); |
| 208 | ACPI_DEBUG_ADD(acpi_debug_level_d, ACPI_LV_VERBOSITY2); |
| 209 | |
| 210 | ACPI_DEBUG_ADD(acpi_debug_level_d, ACPI_LV_MUTEX); |
| 211 | ACPI_DEBUG_ADD(acpi_debug_level_d, ACPI_LV_THREADS); |
| 212 | ACPI_DEBUG_ADD(acpi_debug_level_d, ACPI_LV_IO); |
| 213 | ACPI_DEBUG_ADD(acpi_debug_level_d, ACPI_LV_INTERRUPTS); |
| 214 | ACPI_DEBUG_ADD(acpi_debug_level_d, ACPI_LV_VERBOSITY3); |
| 215 | |
| 216 | ACPI_DEBUG_ADD(acpi_debug_level_d, ACPI_LV_AML_DISASSEMBLE); |
| 217 | ACPI_DEBUG_ADD(acpi_debug_level_d, ACPI_LV_VERBOSE_INFO); |
| 218 | ACPI_DEBUG_ADD(acpi_debug_level_d, ACPI_LV_FULL_TABLES); |
| 219 | ACPI_DEBUG_ADD(acpi_debug_level_d, ACPI_LV_EVENTS); |
| 220 | ACPI_DEBUG_ADD(acpi_debug_level_d, ACPI_LV_VERBOSE); |
| 221 | |
| 222 | /* |
| 223 | * The default debug level. |
| 224 | */ |
| 225 | ACPI_DEBUG_ADD(acpi_debug_level_d, ACPI_DEBUG_DEFAULT); |
| 226 | |
| 227 | /* |
| 228 | * A custom ACPI_DEBUG_NONE disables debugging. |
| 229 | */ |
| 230 | ACPI_DEBUG_ADD(acpi_debug_layer_d, ACPI_DEBUG_NONE); |
| 231 | ACPI_DEBUG_ADD(acpi_debug_level_d, ACPI_DEBUG_NONE); |
| 232 | |
| 233 | prop_dictionary_make_immutable(acpi_debug_layer_d); |
| 234 | prop_dictionary_make_immutable(acpi_debug_level_d); |
| 235 | |
| 236 | return 0; |
| 237 | } |
| 238 | |
| 239 | static const char * |
| 240 | acpi_debug_getkey(prop_dictionary_t dict, uint32_t arg) |
| 241 | { |
| 242 | prop_object_iterator_t i; |
| 243 | prop_object_t obj, val; |
| 244 | const char *key; |
| 245 | uint32_t num; |
| 246 | |
| 247 | i = prop_dictionary_iterator(dict); |
| 248 | |
| 249 | while ((obj = prop_object_iterator_next(i)) != NULL) { |
| 250 | |
| 251 | key = prop_dictionary_keysym_cstring_nocopy(obj); |
| 252 | val = prop_dictionary_get(dict, key); |
| 253 | num = prop_number_unsigned_integer_value(val); |
| 254 | |
| 255 | if (arg == num) |
| 256 | return key; |
| 257 | } |
| 258 | |
| 259 | return "UNKNOWN" ; |
| 260 | } |
| 261 | |
| 262 | static int |
| 263 | acpi_debug_sysctl_layer(SYSCTLFN_ARGS) |
| 264 | { |
| 265 | char buf[ACPI_DEBUG_MAX]; |
| 266 | struct sysctlnode node; |
| 267 | prop_object_t obj; |
| 268 | int error; |
| 269 | |
| 270 | node = *rnode; |
| 271 | node.sysctl_data = buf; |
| 272 | |
| 273 | (void)memcpy(node.sysctl_data, rnode->sysctl_data, ACPI_DEBUG_MAX); |
| 274 | |
| 275 | error = sysctl_lookup(SYSCTLFN_CALL(&node)); |
| 276 | |
| 277 | if (error || newp == NULL) |
| 278 | return error; |
| 279 | |
| 280 | obj = prop_dictionary_get(acpi_debug_layer_d, node.sysctl_data); |
| 281 | |
| 282 | if (obj == NULL) |
| 283 | return EINVAL; |
| 284 | |
| 285 | AcpiDbgLayer = prop_number_unsigned_integer_value(obj); |
| 286 | |
| 287 | (void)memcpy(rnode->sysctl_data, node.sysctl_data, ACPI_DEBUG_MAX); |
| 288 | |
| 289 | return 0; |
| 290 | } |
| 291 | |
| 292 | static int |
| 293 | acpi_debug_sysctl_level(SYSCTLFN_ARGS) |
| 294 | { |
| 295 | char buf[ACPI_DEBUG_MAX]; |
| 296 | struct sysctlnode node; |
| 297 | prop_object_t obj; |
| 298 | int error; |
| 299 | |
| 300 | node = *rnode; |
| 301 | node.sysctl_data = buf; |
| 302 | |
| 303 | (void)memcpy(node.sysctl_data, rnode->sysctl_data, ACPI_DEBUG_MAX); |
| 304 | |
| 305 | error = sysctl_lookup(SYSCTLFN_CALL(&node)); |
| 306 | |
| 307 | if (error || newp == NULL) |
| 308 | return error; |
| 309 | |
| 310 | obj = prop_dictionary_get(acpi_debug_level_d, node.sysctl_data); |
| 311 | |
| 312 | if (obj == NULL) |
| 313 | return EINVAL; |
| 314 | |
| 315 | AcpiDbgLevel = prop_number_unsigned_integer_value(obj); |
| 316 | |
| 317 | (void)memcpy(rnode->sysctl_data, node.sysctl_data, ACPI_DEBUG_MAX); |
| 318 | |
| 319 | return 0; |
| 320 | } |
| 321 | |
| 322 | #endif /* ACPI_DEBUG */ |
| 323 | |