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1da177e4 LT |
1 | /****************************************************************************** |
2 | * | |
3 | * Module Name: utglobal - Global variables for the ACPI subsystem | |
4 | * | |
5 | *****************************************************************************/ | |
6 | ||
7 | /* | |
6c9deb72 | 8 | * Copyright (C) 2000 - 2007, R. Byron Moore |
1da177e4 LT |
9 | * All rights reserved. |
10 | * | |
11 | * Redistribution and use in source and binary forms, with or without | |
12 | * modification, are permitted provided that the following conditions | |
13 | * are met: | |
14 | * 1. Redistributions of source code must retain the above copyright | |
15 | * notice, this list of conditions, and the following disclaimer, | |
16 | * without modification. | |
17 | * 2. Redistributions in binary form must reproduce at minimum a disclaimer | |
18 | * substantially similar to the "NO WARRANTY" disclaimer below | |
19 | * ("Disclaimer") and any redistribution must be conditioned upon | |
20 | * including a substantially similar Disclaimer requirement for further | |
21 | * binary redistribution. | |
22 | * 3. Neither the names of the above-listed copyright holders nor the names | |
23 | * of any contributors may be used to endorse or promote products derived | |
24 | * from this software without specific prior written permission. | |
25 | * | |
26 | * Alternatively, this software may be distributed under the terms of the | |
27 | * GNU General Public License ("GPL") version 2 as published by the Free | |
28 | * Software Foundation. | |
29 | * | |
30 | * NO WARRANTY | |
31 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
32 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
33 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR | |
34 | * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |
35 | * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
36 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
37 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
38 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, | |
39 | * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING | |
40 | * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE | |
41 | * POSSIBILITY OF SUCH DAMAGES. | |
42 | */ | |
43 | ||
44 | #define DEFINE_ACPI_GLOBALS | |
45 | ||
1da177e4 LT |
46 | #include <acpi/acpi.h> |
47 | #include <acpi/acnamesp.h> | |
48 | ||
f3d2e786 | 49 | ACPI_EXPORT_SYMBOL(acpi_gbl_FADT) |
1da177e4 | 50 | #define _COMPONENT ACPI_UTILITIES |
f3d2e786 | 51 | ACPI_MODULE_NAME("utglobal") |
1da177e4 | 52 | |
44f6c012 | 53 | /******************************************************************************* |
1da177e4 LT |
54 | * |
55 | * Static global variable initialization. | |
56 | * | |
57 | ******************************************************************************/ | |
1da177e4 LT |
58 | /* |
59 | * We want the debug switches statically initialized so they | |
60 | * are already set when the debugger is entered. | |
61 | */ | |
1da177e4 | 62 | /* Debug switch - level and trace mask */ |
4be44fcd | 63 | u32 acpi_dbg_level = ACPI_DEBUG_DEFAULT; |
1da177e4 LT |
64 | |
65 | /* Debug switch - layer (component) mask */ | |
66 | ||
4be44fcd | 67 | u32 acpi_dbg_layer = ACPI_COMPONENT_DEFAULT | ACPI_ALL_DRIVERS; |
4be44fcd | 68 | u32 acpi_gbl_nesting_level = 0; |
1da177e4 LT |
69 | |
70 | /* Debugger globals */ | |
71 | ||
4be44fcd LB |
72 | u8 acpi_gbl_db_terminate_threads = FALSE; |
73 | u8 acpi_gbl_abort_method = FALSE; | |
74 | u8 acpi_gbl_method_executing = FALSE; | |
1da177e4 LT |
75 | |
76 | /* System flags */ | |
77 | ||
4be44fcd | 78 | u32 acpi_gbl_startup_flags = 0; |
1da177e4 LT |
79 | |
80 | /* System starts uninitialized */ | |
81 | ||
4be44fcd | 82 | u8 acpi_gbl_shutdown = TRUE; |
1da177e4 | 83 | |
4be44fcd | 84 | const char *acpi_gbl_sleep_state_names[ACPI_S_STATE_COUNT] = { |
1da177e4 LT |
85 | "\\_S0_", |
86 | "\\_S1_", | |
87 | "\\_S2_", | |
88 | "\\_S3_", | |
89 | "\\_S4_", | |
90 | "\\_S5_" | |
91 | }; | |
92 | ||
4be44fcd | 93 | const char *acpi_gbl_highest_dstate_names[4] = { |
1da177e4 LT |
94 | "_S1D", |
95 | "_S2D", | |
96 | "_S3D", | |
97 | "_S4D" | |
98 | }; | |
99 | ||
44f6c012 | 100 | /******************************************************************************* |
1da177e4 | 101 | * |
84fb2c97 BM |
102 | * FUNCTION: acpi_format_exception |
103 | * | |
104 | * PARAMETERS: Status - The acpi_status code to be formatted | |
105 | * | |
106 | * RETURN: A string containing the exception text. A valid pointer is | |
107 | * always returned. | |
108 | * | |
109 | * DESCRIPTION: This function translates an ACPI exception into an ASCII string | |
110 | * It is here instead of utxface.c so it is always present. | |
1da177e4 LT |
111 | * |
112 | ******************************************************************************/ | |
113 | ||
84fb2c97 BM |
114 | const char *acpi_format_exception(acpi_status status) |
115 | { | |
116 | const char *exception = NULL; | |
117 | ||
118 | ACPI_FUNCTION_ENTRY(); | |
119 | ||
120 | exception = acpi_ut_validate_exception(status); | |
121 | if (!exception) { | |
122 | ||
123 | /* Exception code was not recognized */ | |
124 | ||
125 | ACPI_ERROR((AE_INFO, | |
126 | "Unknown exception code: 0x%8.8X", status)); | |
127 | ||
128 | exception = "UNKNOWN_STATUS_CODE"; | |
3e0d69ec | 129 | dump_stack(); |
84fb2c97 BM |
130 | } |
131 | ||
132 | return (ACPI_CAST_PTR(const char, exception)); | |
133 | } | |
134 | ||
135 | ACPI_EXPORT_SYMBOL(acpi_format_exception) | |
136 | ||
137 | /******************************************************************************* | |
138 | * | |
139 | * Namespace globals | |
140 | * | |
141 | ******************************************************************************/ | |
1da177e4 LT |
142 | /* |
143 | * Predefined ACPI Names (Built-in to the Interpreter) | |
144 | * | |
145 | * NOTES: | |
146 | * 1) _SB_ is defined to be a device to allow \_SB_._INI to be run | |
147 | * during the initialization sequence. | |
148 | * 2) _TZ_ is defined to be a thermal zone in order to allow ASL code to | |
149 | * perform a Notify() operation on it. | |
150 | */ | |
0897831b BM |
151 | const struct acpi_predefined_names acpi_gbl_pre_defined_names[] = { |
152 | {"_GPE", ACPI_TYPE_LOCAL_SCOPE, NULL}, | |
153 | {"_PR_", ACPI_TYPE_LOCAL_SCOPE, NULL}, | |
154 | {"_SB_", ACPI_TYPE_DEVICE, NULL}, | |
155 | {"_SI_", ACPI_TYPE_LOCAL_SCOPE, NULL}, | |
156 | {"_TZ_", ACPI_TYPE_THERMAL, NULL}, | |
157 | {"_REV", ACPI_TYPE_INTEGER, (char *)ACPI_CA_SUPPORT_LEVEL}, | |
158 | {"_OS_", ACPI_TYPE_STRING, ACPI_OS_NAME}, | |
159 | {"_GL_", ACPI_TYPE_MUTEX, (char *)1}, | |
1da177e4 LT |
160 | |
161 | #if !defined (ACPI_NO_METHOD_EXECUTION) || defined (ACPI_CONSTANT_EVAL_ONLY) | |
0897831b | 162 | {"_OSI", ACPI_TYPE_METHOD, (char *)1}, |
1da177e4 | 163 | #endif |
1da177e4 | 164 | |
44f6c012 RM |
165 | /* Table terminator */ |
166 | ||
0897831b | 167 | {NULL, ACPI_TYPE_ANY, NULL} |
44f6c012 | 168 | }; |
1da177e4 LT |
169 | |
170 | /* | |
171 | * Properties of the ACPI Object Types, both internal and external. | |
172 | * The table is indexed by values of acpi_object_type | |
173 | */ | |
4be44fcd LB |
174 | const u8 acpi_gbl_ns_properties[] = { |
175 | ACPI_NS_NORMAL, /* 00 Any */ | |
176 | ACPI_NS_NORMAL, /* 01 Number */ | |
177 | ACPI_NS_NORMAL, /* 02 String */ | |
178 | ACPI_NS_NORMAL, /* 03 Buffer */ | |
179 | ACPI_NS_NORMAL, /* 04 Package */ | |
180 | ACPI_NS_NORMAL, /* 05 field_unit */ | |
181 | ACPI_NS_NEWSCOPE, /* 06 Device */ | |
182 | ACPI_NS_NORMAL, /* 07 Event */ | |
183 | ACPI_NS_NEWSCOPE, /* 08 Method */ | |
184 | ACPI_NS_NORMAL, /* 09 Mutex */ | |
185 | ACPI_NS_NORMAL, /* 10 Region */ | |
186 | ACPI_NS_NEWSCOPE, /* 11 Power */ | |
187 | ACPI_NS_NEWSCOPE, /* 12 Processor */ | |
188 | ACPI_NS_NEWSCOPE, /* 13 Thermal */ | |
189 | ACPI_NS_NORMAL, /* 14 buffer_field */ | |
190 | ACPI_NS_NORMAL, /* 15 ddb_handle */ | |
191 | ACPI_NS_NORMAL, /* 16 Debug Object */ | |
192 | ACPI_NS_NORMAL, /* 17 def_field */ | |
193 | ACPI_NS_NORMAL, /* 18 bank_field */ | |
194 | ACPI_NS_NORMAL, /* 19 index_field */ | |
195 | ACPI_NS_NORMAL, /* 20 Reference */ | |
196 | ACPI_NS_NORMAL, /* 21 Alias */ | |
197 | ACPI_NS_NORMAL, /* 22 method_alias */ | |
198 | ACPI_NS_NORMAL, /* 23 Notify */ | |
199 | ACPI_NS_NORMAL, /* 24 Address Handler */ | |
200 | ACPI_NS_NEWSCOPE | ACPI_NS_LOCAL, /* 25 Resource Desc */ | |
201 | ACPI_NS_NEWSCOPE | ACPI_NS_LOCAL, /* 26 Resource Field */ | |
202 | ACPI_NS_NEWSCOPE, /* 27 Scope */ | |
203 | ACPI_NS_NORMAL, /* 28 Extra */ | |
204 | ACPI_NS_NORMAL, /* 29 Data */ | |
205 | ACPI_NS_NORMAL /* 30 Invalid */ | |
1da177e4 LT |
206 | }; |
207 | ||
1da177e4 LT |
208 | /* Hex to ASCII conversion table */ |
209 | ||
4be44fcd LB |
210 | static const char acpi_gbl_hex_to_ascii[] = { |
211 | '0', '1', '2', '3', '4', '5', '6', '7', | |
212 | '8', '9', 'A', 'B', 'C', 'D', 'E', 'F' | |
44f6c012 RM |
213 | }; |
214 | ||
44f6c012 | 215 | /******************************************************************************* |
1da177e4 LT |
216 | * |
217 | * FUNCTION: acpi_ut_hex_to_ascii_char | |
218 | * | |
219 | * PARAMETERS: Integer - Contains the hex digit | |
220 | * Position - bit position of the digit within the | |
44f6c012 | 221 | * integer (multiple of 4) |
1da177e4 | 222 | * |
44f6c012 | 223 | * RETURN: The converted Ascii character |
1da177e4 | 224 | * |
44f6c012 | 225 | * DESCRIPTION: Convert a hex digit to an Ascii character |
1da177e4 | 226 | * |
44f6c012 | 227 | ******************************************************************************/ |
1da177e4 | 228 | |
4be44fcd | 229 | char acpi_ut_hex_to_ascii_char(acpi_integer integer, u32 position) |
1da177e4 LT |
230 | { |
231 | ||
232 | return (acpi_gbl_hex_to_ascii[(integer >> position) & 0xF]); | |
233 | } | |
234 | ||
1da177e4 LT |
235 | /****************************************************************************** |
236 | * | |
237 | * Event and Hardware globals | |
238 | * | |
239 | ******************************************************************************/ | |
240 | ||
4be44fcd | 241 | struct acpi_bit_register_info acpi_gbl_bit_register_info[ACPI_NUM_BITREG] = { |
1da177e4 LT |
242 | /* Name Parent Register Register Bit Position Register Bit Mask */ |
243 | ||
4be44fcd LB |
244 | /* ACPI_BITREG_TIMER_STATUS */ {ACPI_REGISTER_PM1_STATUS, |
245 | ACPI_BITPOSITION_TIMER_STATUS, | |
246 | ACPI_BITMASK_TIMER_STATUS}, | |
247 | /* ACPI_BITREG_BUS_MASTER_STATUS */ {ACPI_REGISTER_PM1_STATUS, | |
248 | ACPI_BITPOSITION_BUS_MASTER_STATUS, | |
249 | ACPI_BITMASK_BUS_MASTER_STATUS}, | |
250 | /* ACPI_BITREG_GLOBAL_LOCK_STATUS */ {ACPI_REGISTER_PM1_STATUS, | |
251 | ACPI_BITPOSITION_GLOBAL_LOCK_STATUS, | |
252 | ACPI_BITMASK_GLOBAL_LOCK_STATUS}, | |
253 | /* ACPI_BITREG_POWER_BUTTON_STATUS */ {ACPI_REGISTER_PM1_STATUS, | |
254 | ACPI_BITPOSITION_POWER_BUTTON_STATUS, | |
255 | ACPI_BITMASK_POWER_BUTTON_STATUS}, | |
256 | /* ACPI_BITREG_SLEEP_BUTTON_STATUS */ {ACPI_REGISTER_PM1_STATUS, | |
257 | ACPI_BITPOSITION_SLEEP_BUTTON_STATUS, | |
258 | ACPI_BITMASK_SLEEP_BUTTON_STATUS}, | |
259 | /* ACPI_BITREG_RT_CLOCK_STATUS */ {ACPI_REGISTER_PM1_STATUS, | |
260 | ACPI_BITPOSITION_RT_CLOCK_STATUS, | |
261 | ACPI_BITMASK_RT_CLOCK_STATUS}, | |
262 | /* ACPI_BITREG_WAKE_STATUS */ {ACPI_REGISTER_PM1_STATUS, | |
263 | ACPI_BITPOSITION_WAKE_STATUS, | |
264 | ACPI_BITMASK_WAKE_STATUS}, | |
265 | /* ACPI_BITREG_PCIEXP_WAKE_STATUS */ {ACPI_REGISTER_PM1_STATUS, | |
266 | ACPI_BITPOSITION_PCIEXP_WAKE_STATUS, | |
267 | ACPI_BITMASK_PCIEXP_WAKE_STATUS}, | |
268 | ||
269 | /* ACPI_BITREG_TIMER_ENABLE */ {ACPI_REGISTER_PM1_ENABLE, | |
270 | ACPI_BITPOSITION_TIMER_ENABLE, | |
271 | ACPI_BITMASK_TIMER_ENABLE}, | |
272 | /* ACPI_BITREG_GLOBAL_LOCK_ENABLE */ {ACPI_REGISTER_PM1_ENABLE, | |
273 | ACPI_BITPOSITION_GLOBAL_LOCK_ENABLE, | |
274 | ACPI_BITMASK_GLOBAL_LOCK_ENABLE}, | |
275 | /* ACPI_BITREG_POWER_BUTTON_ENABLE */ {ACPI_REGISTER_PM1_ENABLE, | |
276 | ACPI_BITPOSITION_POWER_BUTTON_ENABLE, | |
277 | ACPI_BITMASK_POWER_BUTTON_ENABLE}, | |
278 | /* ACPI_BITREG_SLEEP_BUTTON_ENABLE */ {ACPI_REGISTER_PM1_ENABLE, | |
279 | ACPI_BITPOSITION_SLEEP_BUTTON_ENABLE, | |
280 | ACPI_BITMASK_SLEEP_BUTTON_ENABLE}, | |
281 | /* ACPI_BITREG_RT_CLOCK_ENABLE */ {ACPI_REGISTER_PM1_ENABLE, | |
282 | ACPI_BITPOSITION_RT_CLOCK_ENABLE, | |
283 | ACPI_BITMASK_RT_CLOCK_ENABLE}, | |
284 | /* ACPI_BITREG_WAKE_ENABLE */ {ACPI_REGISTER_PM1_ENABLE, 0, 0}, | |
285 | /* ACPI_BITREG_PCIEXP_WAKE_DISABLE */ {ACPI_REGISTER_PM1_ENABLE, | |
286 | ACPI_BITPOSITION_PCIEXP_WAKE_DISABLE, | |
287 | ACPI_BITMASK_PCIEXP_WAKE_DISABLE}, | |
288 | ||
289 | /* ACPI_BITREG_SCI_ENABLE */ {ACPI_REGISTER_PM1_CONTROL, | |
290 | ACPI_BITPOSITION_SCI_ENABLE, | |
291 | ACPI_BITMASK_SCI_ENABLE}, | |
292 | /* ACPI_BITREG_BUS_MASTER_RLD */ {ACPI_REGISTER_PM1_CONTROL, | |
293 | ACPI_BITPOSITION_BUS_MASTER_RLD, | |
294 | ACPI_BITMASK_BUS_MASTER_RLD}, | |
295 | /* ACPI_BITREG_GLOBAL_LOCK_RELEASE */ {ACPI_REGISTER_PM1_CONTROL, | |
296 | ACPI_BITPOSITION_GLOBAL_LOCK_RELEASE, | |
297 | ACPI_BITMASK_GLOBAL_LOCK_RELEASE}, | |
298 | /* ACPI_BITREG_SLEEP_TYPE_A */ {ACPI_REGISTER_PM1_CONTROL, | |
299 | ACPI_BITPOSITION_SLEEP_TYPE_X, | |
300 | ACPI_BITMASK_SLEEP_TYPE_X}, | |
301 | /* ACPI_BITREG_SLEEP_TYPE_B */ {ACPI_REGISTER_PM1_CONTROL, | |
302 | ACPI_BITPOSITION_SLEEP_TYPE_X, | |
303 | ACPI_BITMASK_SLEEP_TYPE_X}, | |
304 | /* ACPI_BITREG_SLEEP_ENABLE */ {ACPI_REGISTER_PM1_CONTROL, | |
305 | ACPI_BITPOSITION_SLEEP_ENABLE, | |
306 | ACPI_BITMASK_SLEEP_ENABLE}, | |
307 | ||
308 | /* ACPI_BITREG_ARB_DIS */ {ACPI_REGISTER_PM2_CONTROL, | |
309 | ACPI_BITPOSITION_ARB_DISABLE, | |
310 | ACPI_BITMASK_ARB_DISABLE} | |
1da177e4 LT |
311 | }; |
312 | ||
4be44fcd LB |
313 | struct acpi_fixed_event_info acpi_gbl_fixed_event_info[ACPI_NUM_FIXED_EVENTS] = { |
314 | /* ACPI_EVENT_PMTIMER */ {ACPI_BITREG_TIMER_STATUS, | |
315 | ACPI_BITREG_TIMER_ENABLE, | |
316 | ACPI_BITMASK_TIMER_STATUS, | |
317 | ACPI_BITMASK_TIMER_ENABLE}, | |
318 | /* ACPI_EVENT_GLOBAL */ {ACPI_BITREG_GLOBAL_LOCK_STATUS, | |
319 | ACPI_BITREG_GLOBAL_LOCK_ENABLE, | |
320 | ACPI_BITMASK_GLOBAL_LOCK_STATUS, | |
321 | ACPI_BITMASK_GLOBAL_LOCK_ENABLE}, | |
322 | /* ACPI_EVENT_POWER_BUTTON */ {ACPI_BITREG_POWER_BUTTON_STATUS, | |
323 | ACPI_BITREG_POWER_BUTTON_ENABLE, | |
324 | ACPI_BITMASK_POWER_BUTTON_STATUS, | |
325 | ACPI_BITMASK_POWER_BUTTON_ENABLE}, | |
326 | /* ACPI_EVENT_SLEEP_BUTTON */ {ACPI_BITREG_SLEEP_BUTTON_STATUS, | |
327 | ACPI_BITREG_SLEEP_BUTTON_ENABLE, | |
328 | ACPI_BITMASK_SLEEP_BUTTON_STATUS, | |
329 | ACPI_BITMASK_SLEEP_BUTTON_ENABLE}, | |
330 | /* ACPI_EVENT_RTC */ {ACPI_BITREG_RT_CLOCK_STATUS, | |
331 | ACPI_BITREG_RT_CLOCK_ENABLE, | |
332 | ACPI_BITMASK_RT_CLOCK_STATUS, | |
333 | ACPI_BITMASK_RT_CLOCK_ENABLE}, | |
1da177e4 LT |
334 | }; |
335 | ||
44f6c012 | 336 | /******************************************************************************* |
1da177e4 LT |
337 | * |
338 | * FUNCTION: acpi_ut_get_region_name | |
339 | * | |
340 | * PARAMETERS: None. | |
341 | * | |
342 | * RETURN: Status | |
343 | * | |
344 | * DESCRIPTION: Translate a Space ID into a name string (Debug only) | |
345 | * | |
44f6c012 | 346 | ******************************************************************************/ |
1da177e4 LT |
347 | |
348 | /* Region type decoding */ | |
349 | ||
4be44fcd | 350 | const char *acpi_gbl_region_types[ACPI_NUM_PREDEFINED_REGIONS] = { |
1da177e4 LT |
351 | "SystemMemory", |
352 | "SystemIO", | |
353 | "PCI_Config", | |
354 | "EmbeddedControl", | |
355 | "SMBus", | |
356 | "CMOS", | |
357 | "PCIBARTarget", | |
358 | "DataTable" | |
1da177e4 LT |
359 | }; |
360 | ||
4be44fcd | 361 | char *acpi_ut_get_region_name(u8 space_id) |
1da177e4 LT |
362 | { |
363 | ||
4be44fcd | 364 | if (space_id >= ACPI_USER_REGION_BEGIN) { |
b229cf92 | 365 | return ("UserDefinedRegion"); |
4be44fcd | 366 | } else if (space_id >= ACPI_NUM_PREDEFINED_REGIONS) { |
b229cf92 | 367 | return ("InvalidSpaceId"); |
1da177e4 LT |
368 | } |
369 | ||
defba1d8 | 370 | return (ACPI_CAST_PTR(char, acpi_gbl_region_types[space_id])); |
1da177e4 LT |
371 | } |
372 | ||
44f6c012 | 373 | /******************************************************************************* |
1da177e4 LT |
374 | * |
375 | * FUNCTION: acpi_ut_get_event_name | |
376 | * | |
377 | * PARAMETERS: None. | |
378 | * | |
379 | * RETURN: Status | |
380 | * | |
381 | * DESCRIPTION: Translate a Event ID into a name string (Debug only) | |
382 | * | |
44f6c012 | 383 | ******************************************************************************/ |
1da177e4 LT |
384 | |
385 | /* Event type decoding */ | |
386 | ||
4be44fcd | 387 | static const char *acpi_gbl_event_types[ACPI_NUM_FIXED_EVENTS] = { |
1da177e4 | 388 | "PM_Timer", |
0897831b BM |
389 | "GlobalLock", |
390 | "PowerButton", | |
391 | "SleepButton", | |
392 | "RealTimeClock", | |
1da177e4 LT |
393 | }; |
394 | ||
4be44fcd | 395 | char *acpi_ut_get_event_name(u32 event_id) |
1da177e4 LT |
396 | { |
397 | ||
4be44fcd | 398 | if (event_id > ACPI_EVENT_MAX) { |
b229cf92 | 399 | return ("InvalidEventID"); |
1da177e4 LT |
400 | } |
401 | ||
4a90c7e8 | 402 | return (ACPI_CAST_PTR(char, acpi_gbl_event_types[event_id])); |
1da177e4 LT |
403 | } |
404 | ||
44f6c012 | 405 | /******************************************************************************* |
1da177e4 LT |
406 | * |
407 | * FUNCTION: acpi_ut_get_type_name | |
408 | * | |
409 | * PARAMETERS: None. | |
410 | * | |
411 | * RETURN: Status | |
412 | * | |
413 | * DESCRIPTION: Translate a Type ID into a name string (Debug only) | |
414 | * | |
44f6c012 | 415 | ******************************************************************************/ |
1da177e4 LT |
416 | |
417 | /* | |
418 | * Elements of acpi_gbl_ns_type_names below must match | |
419 | * one-to-one with values of acpi_object_type | |
420 | * | |
44f6c012 RM |
421 | * The type ACPI_TYPE_ANY (Untyped) is used as a "don't care" when searching; |
422 | * when stored in a table it really means that we have thus far seen no | |
423 | * evidence to indicate what type is actually going to be stored for this entry. | |
1da177e4 | 424 | */ |
4be44fcd | 425 | static const char acpi_gbl_bad_type[] = "UNDEFINED"; |
1da177e4 | 426 | |
44f6c012 RM |
427 | /* Printable names of the ACPI object types */ |
428 | ||
4be44fcd | 429 | static const char *acpi_gbl_ns_type_names[] = { |
1da177e4 LT |
430 | /* 00 */ "Untyped", |
431 | /* 01 */ "Integer", | |
432 | /* 02 */ "String", | |
433 | /* 03 */ "Buffer", | |
434 | /* 04 */ "Package", | |
0897831b | 435 | /* 05 */ "FieldUnit", |
1da177e4 LT |
436 | /* 06 */ "Device", |
437 | /* 07 */ "Event", | |
438 | /* 08 */ "Method", | |
439 | /* 09 */ "Mutex", | |
440 | /* 10 */ "Region", | |
441 | /* 11 */ "Power", | |
442 | /* 12 */ "Processor", | |
443 | /* 13 */ "Thermal", | |
0897831b BM |
444 | /* 14 */ "BufferField", |
445 | /* 15 */ "DdbHandle", | |
446 | /* 16 */ "DebugObject", | |
447 | /* 17 */ "RegionField", | |
448 | /* 18 */ "BankField", | |
449 | /* 19 */ "IndexField", | |
1da177e4 LT |
450 | /* 20 */ "Reference", |
451 | /* 21 */ "Alias", | |
0897831b | 452 | /* 22 */ "MethodAlias", |
1da177e4 | 453 | /* 23 */ "Notify", |
0897831b BM |
454 | /* 24 */ "AddrHandler", |
455 | /* 25 */ "ResourceDesc", | |
456 | /* 26 */ "ResourceFld", | |
1da177e4 LT |
457 | /* 27 */ "Scope", |
458 | /* 28 */ "Extra", | |
459 | /* 29 */ "Data", | |
460 | /* 30 */ "Invalid" | |
461 | }; | |
462 | ||
4be44fcd | 463 | char *acpi_ut_get_type_name(acpi_object_type type) |
1da177e4 LT |
464 | { |
465 | ||
4be44fcd | 466 | if (type > ACPI_TYPE_INVALID) { |
4a90c7e8 | 467 | return (ACPI_CAST_PTR(char, acpi_gbl_bad_type)); |
1da177e4 LT |
468 | } |
469 | ||
4a90c7e8 | 470 | return (ACPI_CAST_PTR(char, acpi_gbl_ns_type_names[type])); |
1da177e4 LT |
471 | } |
472 | ||
4be44fcd | 473 | char *acpi_ut_get_object_type_name(union acpi_operand_object *obj_desc) |
1da177e4 LT |
474 | { |
475 | ||
4be44fcd | 476 | if (!obj_desc) { |
1da177e4 LT |
477 | return ("[NULL Object Descriptor]"); |
478 | } | |
479 | ||
4be44fcd | 480 | return (acpi_ut_get_type_name(ACPI_GET_OBJECT_TYPE(obj_desc))); |
1da177e4 LT |
481 | } |
482 | ||
44f6c012 | 483 | /******************************************************************************* |
1da177e4 LT |
484 | * |
485 | * FUNCTION: acpi_ut_get_node_name | |
486 | * | |
487 | * PARAMETERS: Object - A namespace node | |
488 | * | |
489 | * RETURN: Pointer to a string | |
490 | * | |
491 | * DESCRIPTION: Validate the node and return the node's ACPI name. | |
492 | * | |
44f6c012 | 493 | ******************************************************************************/ |
1da177e4 | 494 | |
4be44fcd | 495 | char *acpi_ut_get_node_name(void *object) |
1da177e4 | 496 | { |
4be44fcd | 497 | struct acpi_namespace_node *node = (struct acpi_namespace_node *)object; |
1da177e4 LT |
498 | |
499 | /* Must return a string of exactly 4 characters == ACPI_NAME_SIZE */ | |
500 | ||
4be44fcd | 501 | if (!object) { |
1da177e4 LT |
502 | return ("NULL"); |
503 | } | |
504 | ||
505 | /* Check for Root node */ | |
506 | ||
4be44fcd | 507 | if ((object == ACPI_ROOT_OBJECT) || (object == acpi_gbl_root_node)) { |
1da177e4 LT |
508 | return ("\"\\\" "); |
509 | } | |
510 | ||
511 | /* Descriptor must be a namespace node */ | |
512 | ||
61686124 | 513 | if (ACPI_GET_DESCRIPTOR_TYPE(node) != ACPI_DESC_TYPE_NAMED) { |
1da177e4 LT |
514 | return ("####"); |
515 | } | |
516 | ||
517 | /* Name must be a valid ACPI name */ | |
518 | ||
c51a4de8 | 519 | if (!acpi_ut_valid_acpi_name(node->name.integer)) { |
3d81b236 | 520 | node->name.integer = acpi_ut_repair_name(node->name.ascii); |
1da177e4 LT |
521 | } |
522 | ||
523 | /* Return the name */ | |
524 | ||
525 | return (node->name.ascii); | |
526 | } | |
527 | ||
44f6c012 | 528 | /******************************************************************************* |
1da177e4 LT |
529 | * |
530 | * FUNCTION: acpi_ut_get_descriptor_name | |
531 | * | |
532 | * PARAMETERS: Object - An ACPI object | |
533 | * | |
534 | * RETURN: Pointer to a string | |
535 | * | |
536 | * DESCRIPTION: Validate object and return the descriptor type | |
537 | * | |
44f6c012 RM |
538 | ******************************************************************************/ |
539 | ||
540 | /* Printable names of object descriptor types */ | |
1da177e4 | 541 | |
4be44fcd | 542 | static const char *acpi_gbl_desc_type_names[] = { |
1da177e4 LT |
543 | /* 00 */ "Invalid", |
544 | /* 01 */ "Cached", | |
545 | /* 02 */ "State-Generic", | |
546 | /* 03 */ "State-Update", | |
547 | /* 04 */ "State-Package", | |
548 | /* 05 */ "State-Control", | |
0897831b BM |
549 | /* 06 */ "State-RootParseScope", |
550 | /* 07 */ "State-ParseScope", | |
551 | /* 08 */ "State-WalkScope", | |
1da177e4 LT |
552 | /* 09 */ "State-Result", |
553 | /* 10 */ "State-Notify", | |
554 | /* 11 */ "State-Thread", | |
555 | /* 12 */ "Walk", | |
556 | /* 13 */ "Parser", | |
557 | /* 14 */ "Operand", | |
558 | /* 15 */ "Node" | |
559 | }; | |
560 | ||
4be44fcd | 561 | char *acpi_ut_get_descriptor_name(void *object) |
1da177e4 LT |
562 | { |
563 | ||
4be44fcd | 564 | if (!object) { |
1da177e4 LT |
565 | return ("NULL OBJECT"); |
566 | } | |
567 | ||
4be44fcd | 568 | if (ACPI_GET_DESCRIPTOR_TYPE(object) > ACPI_DESC_TYPE_MAX) { |
defba1d8 | 569 | return (ACPI_CAST_PTR(char, acpi_gbl_bad_type)); |
1da177e4 LT |
570 | } |
571 | ||
defba1d8 BM |
572 | return (ACPI_CAST_PTR(char, |
573 | acpi_gbl_desc_type_names[ACPI_GET_DESCRIPTOR_TYPE | |
574 | (object)])); | |
1da177e4 LT |
575 | |
576 | } | |
577 | ||
1da177e4 LT |
578 | #if defined(ACPI_DEBUG_OUTPUT) || defined(ACPI_DEBUGGER) |
579 | /* | |
580 | * Strings and procedures used for debug only | |
581 | */ | |
582 | ||
44f6c012 | 583 | /******************************************************************************* |
1da177e4 LT |
584 | * |
585 | * FUNCTION: acpi_ut_get_mutex_name | |
586 | * | |
44f6c012 | 587 | * PARAMETERS: mutex_id - The predefined ID for this mutex. |
1da177e4 | 588 | * |
44f6c012 RM |
589 | * RETURN: String containing the name of the mutex. Always returns a valid |
590 | * pointer. | |
1da177e4 LT |
591 | * |
592 | * DESCRIPTION: Translate a mutex ID into a name string (Debug only) | |
593 | * | |
44f6c012 | 594 | ******************************************************************************/ |
1da177e4 | 595 | |
4be44fcd | 596 | char *acpi_ut_get_mutex_name(u32 mutex_id) |
1da177e4 LT |
597 | { |
598 | ||
4c90ece2 | 599 | if (mutex_id > ACPI_MAX_MUTEX) { |
1da177e4 LT |
600 | return ("Invalid Mutex ID"); |
601 | } | |
602 | ||
603 | return (acpi_gbl_mutex_names[mutex_id]); | |
604 | } | |
1da177e4 LT |
605 | #endif |
606 | ||
44f6c012 | 607 | /******************************************************************************* |
1da177e4 LT |
608 | * |
609 | * FUNCTION: acpi_ut_valid_object_type | |
610 | * | |
611 | * PARAMETERS: Type - Object type to be validated | |
612 | * | |
44f6c012 | 613 | * RETURN: TRUE if valid object type, FALSE otherwise |
1da177e4 LT |
614 | * |
615 | * DESCRIPTION: Validate an object type | |
616 | * | |
44f6c012 | 617 | ******************************************************************************/ |
1da177e4 | 618 | |
4be44fcd | 619 | u8 acpi_ut_valid_object_type(acpi_object_type type) |
1da177e4 LT |
620 | { |
621 | ||
4be44fcd | 622 | if (type > ACPI_TYPE_LOCAL_MAX) { |
52fc0b02 | 623 | |
1da177e4 LT |
624 | /* Note: Assumes all TYPEs are contiguous (external/local) */ |
625 | ||
626 | return (FALSE); | |
627 | } | |
628 | ||
629 | return (TRUE); | |
630 | } | |
631 | ||
44f6c012 | 632 | /******************************************************************************* |
1da177e4 LT |
633 | * |
634 | * FUNCTION: acpi_ut_init_globals | |
635 | * | |
44f6c012 RM |
636 | * PARAMETERS: None |
637 | * | |
638 | * RETURN: None | |
1da177e4 LT |
639 | * |
640 | * DESCRIPTION: Init library globals. All globals that require specific | |
641 | * initialization should be initialized here! | |
642 | * | |
44f6c012 | 643 | ******************************************************************************/ |
1da177e4 | 644 | |
4be44fcd | 645 | void acpi_ut_init_globals(void) |
1da177e4 | 646 | { |
4be44fcd LB |
647 | acpi_status status; |
648 | u32 i; | |
1da177e4 | 649 | |
b229cf92 | 650 | ACPI_FUNCTION_TRACE(ut_init_globals); |
1da177e4 | 651 | |
73459f73 RM |
652 | /* Create all memory caches */ |
653 | ||
4be44fcd LB |
654 | status = acpi_ut_create_caches(); |
655 | if (ACPI_FAILURE(status)) { | |
73459f73 RM |
656 | return; |
657 | } | |
1da177e4 | 658 | |
1da177e4 LT |
659 | /* Mutex locked flags */ |
660 | ||
4c90ece2 | 661 | for (i = 0; i < ACPI_NUM_MUTEX; i++) { |
4be44fcd LB |
662 | acpi_gbl_mutex_info[i].mutex = NULL; |
663 | acpi_gbl_mutex_info[i].thread_id = ACPI_MUTEX_NOT_ACQUIRED; | |
664 | acpi_gbl_mutex_info[i].use_count = 0; | |
1da177e4 LT |
665 | } |
666 | ||
28f55ebc BM |
667 | for (i = 0; i < ACPI_NUM_OWNERID_MASKS; i++) { |
668 | acpi_gbl_owner_id_mask[i] = 0; | |
669 | } | |
670 | acpi_gbl_owner_id_mask[ACPI_NUM_OWNERID_MASKS - 1] = 0x80000000; /* Last ID is never valid */ | |
671 | ||
1da177e4 LT |
672 | /* GPE support */ |
673 | ||
4be44fcd LB |
674 | acpi_gbl_gpe_xrupt_list_head = NULL; |
675 | acpi_gbl_gpe_fadt_blocks[0] = NULL; | |
676 | acpi_gbl_gpe_fadt_blocks[1] = NULL; | |
1da177e4 | 677 | |
3e08e2d2 | 678 | /* Global handlers */ |
1da177e4 | 679 | |
4be44fcd LB |
680 | acpi_gbl_system_notify.handler = NULL; |
681 | acpi_gbl_device_notify.handler = NULL; | |
682 | acpi_gbl_exception_handler = NULL; | |
683 | acpi_gbl_init_handler = NULL; | |
3e08e2d2 | 684 | acpi_gbl_table_handler = NULL; |
1da177e4 | 685 | |
1da177e4 LT |
686 | /* Global Lock support */ |
687 | ||
967440e3 | 688 | acpi_gbl_global_lock_semaphore = NULL; |
c81da666 | 689 | acpi_gbl_global_lock_mutex = NULL; |
4be44fcd | 690 | acpi_gbl_global_lock_acquired = FALSE; |
4be44fcd | 691 | acpi_gbl_global_lock_handle = 0; |
1da177e4 LT |
692 | |
693 | /* Miscellaneous variables */ | |
694 | ||
4be44fcd LB |
695 | acpi_gbl_cm_single_step = FALSE; |
696 | acpi_gbl_db_terminate_threads = FALSE; | |
697 | acpi_gbl_shutdown = FALSE; | |
698 | acpi_gbl_ns_lookup_count = 0; | |
699 | acpi_gbl_ps_find_count = 0; | |
700 | acpi_gbl_acpi_hardware_present = TRUE; | |
28f55ebc BM |
701 | acpi_gbl_last_owner_id_index = 0; |
702 | acpi_gbl_next_owner_id_offset = 0; | |
50eca3eb BM |
703 | acpi_gbl_trace_method_name = 0; |
704 | acpi_gbl_trace_dbg_level = 0; | |
705 | acpi_gbl_trace_dbg_layer = 0; | |
4be44fcd LB |
706 | acpi_gbl_debugger_configuration = DEBUGGER_THREADING; |
707 | acpi_gbl_db_output_flags = ACPI_DB_CONSOLE_OUTPUT; | |
1da177e4 LT |
708 | |
709 | /* Hardware oriented */ | |
710 | ||
4be44fcd LB |
711 | acpi_gbl_events_initialized = FALSE; |
712 | acpi_gbl_system_awake_and_running = TRUE; | |
1da177e4 LT |
713 | |
714 | /* Namespace */ | |
715 | ||
4be44fcd | 716 | acpi_gbl_root_node = NULL; |
1da177e4 | 717 | acpi_gbl_root_node_struct.name.integer = ACPI_ROOT_NAME; |
61686124 | 718 | acpi_gbl_root_node_struct.descriptor_type = ACPI_DESC_TYPE_NAMED; |
4be44fcd LB |
719 | acpi_gbl_root_node_struct.type = ACPI_TYPE_DEVICE; |
720 | acpi_gbl_root_node_struct.child = NULL; | |
721 | acpi_gbl_root_node_struct.peer = NULL; | |
722 | acpi_gbl_root_node_struct.object = NULL; | |
723 | acpi_gbl_root_node_struct.flags = ANOBJ_END_OF_PEER_LIST; | |
1da177e4 LT |
724 | |
725 | #ifdef ACPI_DEBUG_OUTPUT | |
1d18c058 | 726 | acpi_gbl_lowest_stack_pointer = ACPI_CAST_PTR(acpi_size, ACPI_SIZE_MAX); |
1da177e4 LT |
727 | #endif |
728 | ||
d41eb99b BM |
729 | #ifdef ACPI_DBG_TRACK_ALLOCATIONS |
730 | acpi_gbl_display_final_mem_stats = FALSE; | |
731 | #endif | |
732 | ||
1da177e4 LT |
733 | return_VOID; |
734 | } | |
8313524a BM |
735 | |
736 | ACPI_EXPORT_SYMBOL(acpi_dbg_level) | |
fd350943 | 737 | ACPI_EXPORT_SYMBOL(acpi_dbg_layer) |