1 /* SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0 */
2 /******************************************************************************
3 *
4 * Name: acoutput.h -- debug output
5 *
6 * Copyright (C) 2000 - 2023, Intel Corp.
7 *
8 *****************************************************************************/
9
10 #ifndef __ACOUTPUT_H__
11 #define __ACOUTPUT_H__
12
13 /*
14 * Debug levels and component IDs. These are used to control the
15 * granularity of the output of the ACPI_DEBUG_PRINT macro -- on a
16 * per-component basis and a per-exception-type basis.
17 */
18
19 /* Component IDs are used in the global "DebugLayer" */
20
21 #define ACPI_UTILITIES 0x00000001
22 #define ACPI_HARDWARE 0x00000002
23 #define ACPI_EVENTS 0x00000004
24 #define ACPI_TABLES 0x00000008
25 #define ACPI_NAMESPACE 0x00000010
26 #define ACPI_PARSER 0x00000020
27 #define ACPI_DISPATCHER 0x00000040
28 #define ACPI_EXECUTER 0x00000080
29 #define ACPI_RESOURCES 0x00000100
30 #define ACPI_CA_DEBUGGER 0x00000200
31 #define ACPI_OS_SERVICES 0x00000400
32 #define ACPI_CA_DISASSEMBLER 0x00000800
33
34 /* Component IDs for ACPI tools and utilities */
35
36 #define ACPI_COMPILER 0x00001000
37 #define ACPI_TOOLS 0x00002000
38 #define ACPI_EXAMPLE 0x00004000
39 #define ACPI_DRIVER 0x00008000
40 #define DT_COMPILER 0x00010000
41 #define ASL_PREPROCESSOR 0x00020000
42
43 #define ACPI_ALL_COMPONENTS 0x0001FFFF
44 #define ACPI_COMPONENT_DEFAULT (ACPI_ALL_COMPONENTS)
45
46 /* Component IDs reserved for ACPI drivers */
47
48 #define ACPI_ALL_DRIVERS 0xFFFF0000
49
50 /*
51 * Raw debug output levels, do not use these in the ACPI_DEBUG_PRINT macros
52 */
53 #define ACPI_LV_INIT 0x00000001
54 #define ACPI_LV_DEBUG_OBJECT 0x00000002
55 #define ACPI_LV_INFO 0x00000004
56 #define ACPI_LV_REPAIR 0x00000008
57 #define ACPI_LV_TRACE_POINT 0x00000010
58 #define ACPI_LV_ALL_EXCEPTIONS 0x0000001F
59
60 /* Trace verbosity level 1 [Standard Trace Level] */
61
62 #define ACPI_LV_INIT_NAMES 0x00000020
63 #define ACPI_LV_PARSE 0x00000040
64 #define ACPI_LV_LOAD 0x00000080
65 #define ACPI_LV_DISPATCH 0x00000100
66 #define ACPI_LV_EXEC 0x00000200
67 #define ACPI_LV_NAMES 0x00000400
68 #define ACPI_LV_OPREGION 0x00000800
69 #define ACPI_LV_BFIELD 0x00001000
70 #define ACPI_LV_TABLES 0x00002000
71 #define ACPI_LV_VALUES 0x00004000
72 #define ACPI_LV_OBJECTS 0x00008000
73 #define ACPI_LV_RESOURCES 0x00010000
74 #define ACPI_LV_USER_REQUESTS 0x00020000
75 #define ACPI_LV_PACKAGE 0x00040000
76 #define ACPI_LV_EVALUATION 0x00080000
77 #define ACPI_LV_VERBOSITY1 0x000FFF40 | ACPI_LV_ALL_EXCEPTIONS
78
79 /* Trace verbosity level 2 [Function tracing and memory allocation] */
80
81 #define ACPI_LV_ALLOCATIONS 0x00100000
82 #define ACPI_LV_FUNCTIONS 0x00200000
83 #define ACPI_LV_OPTIMIZATIONS 0x00400000
84 #define ACPI_LV_PARSE_TREES 0x00800000
85 #define ACPI_LV_VERBOSITY2 0x00F00000 | ACPI_LV_VERBOSITY1
86 #define ACPI_LV_ALL ACPI_LV_VERBOSITY2
87
88 /* Trace verbosity level 3 [Threading, I/O, and Interrupts] */
89
90 #define ACPI_LV_MUTEX 0x01000000
91 #define ACPI_LV_THREADS 0x02000000
92 #define ACPI_LV_IO 0x04000000
93 #define ACPI_LV_INTERRUPTS 0x08000000
94 #define ACPI_LV_VERBOSITY3 0x0F000000 | ACPI_LV_VERBOSITY2
95
96 /* Exceptionally verbose output -- also used in the global "DebugLevel" */
97
98 #define ACPI_LV_AML_DISASSEMBLE 0x10000000
99 #define ACPI_LV_VERBOSE_INFO 0x20000000
100 #define ACPI_LV_FULL_TABLES 0x40000000
101 #define ACPI_LV_EVENTS 0x80000000
102 #define ACPI_LV_VERBOSE 0xF0000000
103
104 /*
105 * Debug level macros that are used in the DEBUG_PRINT macros
106 */
107 #define ACPI_DEBUG_LEVEL(dl) (u32) dl,ACPI_DEBUG_PARAMETERS
108
109 /*
110 * Exception level -- used in the global "DebugLevel"
111 *
112 * Note: For errors, use the ACPI_ERROR or ACPI_EXCEPTION interfaces.
113 * For warnings, use ACPI_WARNING.
114 */
115 #define ACPI_DB_INIT ACPI_DEBUG_LEVEL (ACPI_LV_INIT)
116 #define ACPI_DB_DEBUG_OBJECT ACPI_DEBUG_LEVEL (ACPI_LV_DEBUG_OBJECT)
117 #define ACPI_DB_INFO ACPI_DEBUG_LEVEL (ACPI_LV_INFO)
118 #define ACPI_DB_REPAIR ACPI_DEBUG_LEVEL (ACPI_LV_REPAIR)
119 #define ACPI_DB_TRACE_POINT ACPI_DEBUG_LEVEL (ACPI_LV_TRACE_POINT)
120 #define ACPI_DB_ALL_EXCEPTIONS ACPI_DEBUG_LEVEL (ACPI_LV_ALL_EXCEPTIONS)
121
122 /* Trace level -- also used in the global "DebugLevel" */
123
124 #define ACPI_DB_INIT_NAMES ACPI_DEBUG_LEVEL (ACPI_LV_INIT_NAMES)
125 #define ACPI_DB_THREADS ACPI_DEBUG_LEVEL (ACPI_LV_THREADS)
126 #define ACPI_DB_PARSE ACPI_DEBUG_LEVEL (ACPI_LV_PARSE)
127 #define ACPI_DB_DISPATCH ACPI_DEBUG_LEVEL (ACPI_LV_DISPATCH)
128 #define ACPI_DB_LOAD ACPI_DEBUG_LEVEL (ACPI_LV_LOAD)
129 #define ACPI_DB_EXEC ACPI_DEBUG_LEVEL (ACPI_LV_EXEC)
130 #define ACPI_DB_NAMES ACPI_DEBUG_LEVEL (ACPI_LV_NAMES)
131 #define ACPI_DB_OPREGION ACPI_DEBUG_LEVEL (ACPI_LV_OPREGION)
132 #define ACPI_DB_BFIELD ACPI_DEBUG_LEVEL (ACPI_LV_BFIELD)
133 #define ACPI_DB_TABLES ACPI_DEBUG_LEVEL (ACPI_LV_TABLES)
134 #define ACPI_DB_FUNCTIONS ACPI_DEBUG_LEVEL (ACPI_LV_FUNCTIONS)
135 #define ACPI_DB_OPTIMIZATIONS ACPI_DEBUG_LEVEL (ACPI_LV_OPTIMIZATIONS)
136 #define ACPI_DB_PARSE_TREES ACPI_DEBUG_LEVEL (ACPI_LV_PARSE_TREES)
137 #define ACPI_DB_VALUES ACPI_DEBUG_LEVEL (ACPI_LV_VALUES)
138 #define ACPI_DB_OBJECTS ACPI_DEBUG_LEVEL (ACPI_LV_OBJECTS)
139 #define ACPI_DB_ALLOCATIONS ACPI_DEBUG_LEVEL (ACPI_LV_ALLOCATIONS)
140 #define ACPI_DB_RESOURCES ACPI_DEBUG_LEVEL (ACPI_LV_RESOURCES)
141 #define ACPI_DB_IO ACPI_DEBUG_LEVEL (ACPI_LV_IO)
142 #define ACPI_DB_INTERRUPTS ACPI_DEBUG_LEVEL (ACPI_LV_INTERRUPTS)
143 #define ACPI_DB_USER_REQUESTS ACPI_DEBUG_LEVEL (ACPI_LV_USER_REQUESTS)
144 #define ACPI_DB_PACKAGE ACPI_DEBUG_LEVEL (ACPI_LV_PACKAGE)
145 #define ACPI_DB_EVALUATION ACPI_DEBUG_LEVEL (ACPI_LV_EVALUATION)
146 #define ACPI_DB_MUTEX ACPI_DEBUG_LEVEL (ACPI_LV_MUTEX)
147 #define ACPI_DB_EVENTS ACPI_DEBUG_LEVEL (ACPI_LV_EVENTS)
148
149 #define ACPI_DB_ALL ACPI_DEBUG_LEVEL (ACPI_LV_ALL)
150
151 /* Defaults for debug_level, debug and normal */
152
153 #ifndef ACPI_DEBUG_DEFAULT
154 #define ACPI_DEBUG_DEFAULT (ACPI_LV_INIT | ACPI_LV_DEBUG_OBJECT | ACPI_LV_EVALUATION | ACPI_LV_REPAIR)
155 #endif
156
157 #define ACPI_NORMAL_DEFAULT (ACPI_LV_INIT | ACPI_LV_DEBUG_OBJECT | ACPI_LV_REPAIR)
158 #define ACPI_DEBUG_ALL (ACPI_LV_AML_DISASSEMBLE | ACPI_LV_ALL_EXCEPTIONS | ACPI_LV_ALL)
159
160 /*
161 * Global trace flags
162 */
163 #define ACPI_TRACE_ENABLED ((u32) 4)
164 #define ACPI_TRACE_ONESHOT ((u32) 2)
165 #define ACPI_TRACE_OPCODE ((u32) 1)
166
167 /* Defaults for trace debugging level/layer */
168
169 #define ACPI_TRACE_LEVEL_ALL ACPI_LV_ALL
170 #define ACPI_TRACE_LAYER_ALL 0x000001FF
171 #define ACPI_TRACE_LEVEL_DEFAULT ACPI_LV_TRACE_POINT
172 #define ACPI_TRACE_LAYER_DEFAULT ACPI_EXECUTER
173
174 #if defined (ACPI_DEBUG_OUTPUT) || !defined (ACPI_NO_ERROR_MESSAGES)
175 /*
176 * The module name is used primarily for error and debug messages.
177 * The __FILE__ macro is not very useful for this, because it
178 * usually includes the entire pathname to the module making the
179 * debug output difficult to read.
180 */
181 #define ACPI_MODULE_NAME(name) static const char ACPI_UNUSED_VAR _acpi_module_name[] = name;
182 #else
183 /*
184 * For the no-debug and no-error-msg cases, we must at least define
185 * a null module name.
186 */
187 #define ACPI_MODULE_NAME(name)
188 #define _acpi_module_name ""
189 #endif
190
191 /*
192 * Ascii error messages can be configured out
193 */
194 #ifndef ACPI_NO_ERROR_MESSAGES
195 #define AE_INFO _acpi_module_name, __LINE__
196
197 /*
198 * Error reporting. Callers module and line number are inserted by AE_INFO,
199 * the plist contains a set of parens to allow variable-length lists.
200 * These macros are used for both the debug and non-debug versions of the code.
201 */
202 #define ACPI_INFO(plist) acpi_info plist
203 #define ACPI_WARNING(plist) acpi_warning plist
204 #define ACPI_EXCEPTION(plist) acpi_exception plist
205 #define ACPI_ERROR(plist) acpi_error plist
206 #define ACPI_BIOS_WARNING(plist) acpi_bios_warning plist
207 #define ACPI_BIOS_EXCEPTION(plist) acpi_bios_exception plist
208 #define ACPI_BIOS_ERROR(plist) acpi_bios_error plist
209 #define ACPI_DEBUG_OBJECT(obj,l,i) acpi_ex_do_debug_object(obj,l,i)
210
211 #else
212
213 /* No error messages */
214
215 #define ACPI_INFO(plist)
216 #define ACPI_WARNING(plist)
217 #define ACPI_EXCEPTION(plist)
218 #define ACPI_ERROR(plist)
219 #define ACPI_BIOS_WARNING(plist)
220 #define ACPI_BIOS_EXCEPTION(plist)
221 #define ACPI_BIOS_ERROR(plist)
222 #define ACPI_DEBUG_OBJECT(obj,l,i)
223
224 #endif /* ACPI_NO_ERROR_MESSAGES */
225
226 /*
227 * Debug macros that are conditionally compiled
228 */
229 #ifdef ACPI_DEBUG_OUTPUT
230
231 /*
232 * If ACPI_GET_FUNCTION_NAME was not defined in the compiler-dependent header,
233 * define it now. This is the case where there the compiler does not support
234 * a __func__ macro or equivalent.
235 */
236 #ifndef ACPI_GET_FUNCTION_NAME
237 #define ACPI_GET_FUNCTION_NAME _acpi_function_name
238
239 /*
240 * The Name parameter should be the procedure name as a non-quoted string.
241 * The function name is also used by the function exit macros below.
242 * Note: (const char) is used to be compatible with the debug interfaces
243 * and macros such as __func__.
244 */
245 #define ACPI_FUNCTION_NAME(name) static const char _acpi_function_name[] = #name;
246
247 #else
248 /* Compiler supports __func__ (or equivalent) -- Ignore this macro */
249
250 #define ACPI_FUNCTION_NAME(name)
251 #endif /* ACPI_GET_FUNCTION_NAME */
252
253 /*
254 * Common parameters used for debug output functions:
255 * line number, function name, module(file) name, component ID
256 */
257 #define ACPI_DEBUG_PARAMETERS \
258 __LINE__, ACPI_GET_FUNCTION_NAME, _acpi_module_name, _COMPONENT
259
260 /* Check if debug output is currently dynamically enabled */
261
262 #define ACPI_IS_DEBUG_ENABLED(level, component) \
263 ((level & acpi_dbg_level) && (component & acpi_dbg_layer))
264
265 /*
266 * Master debug print macros
267 * Print message if and only if:
268 * 1) Debug print for the current component is enabled
269 * 2) Debug error level or trace level for the print statement is enabled
270 *
271 * November 2012: Moved the runtime check for whether to actually emit the
272 * debug message outside of the print function itself. This improves overall
273 * performance at a relatively small code cost. Implementation involves the
274 * use of variadic macros supported by C99.
275 *
276 * Note: the ACPI_DO_WHILE0 macro is used to prevent some compilers from
277 * complaining about these constructs. On other compilers the do...while
278 * adds some extra code, so this feature is optional.
279 */
280 #ifdef ACPI_USE_DO_WHILE_0
281 #define ACPI_DO_WHILE0(a) do a while(0)
282 #else
283 #define ACPI_DO_WHILE0(a) a
284 #endif
285
286 /* DEBUG_PRINT functions */
287
288 #ifndef COMPILER_VA_MACRO
289
290 #define ACPI_DEBUG_PRINT(plist) acpi_debug_print plist
291 #define ACPI_DEBUG_PRINT_RAW(plist) acpi_debug_print_raw plist
292
293 #else
294
295 /* Helper macros for DEBUG_PRINT */
296
297 #define ACPI_DO_DEBUG_PRINT(function, level, line, filename, modulename, component, ...) \
298 ACPI_DO_WHILE0 ({ \
299 if (ACPI_IS_DEBUG_ENABLED (level, component)) \
300 { \
301 function (level, line, filename, modulename, component, __VA_ARGS__); \
302 } \
303 })
304
305 #define ACPI_ACTUAL_DEBUG(level, line, filename, modulename, component, ...) \
306 ACPI_DO_DEBUG_PRINT (acpi_debug_print, level, line, \
307 filename, modulename, component, __VA_ARGS__)
308
309 #define ACPI_ACTUAL_DEBUG_RAW(level, line, filename, modulename, component, ...) \
310 ACPI_DO_DEBUG_PRINT (acpi_debug_print_raw, level, line, \
311 filename, modulename, component, __VA_ARGS__)
312
313 #define ACPI_DEBUG_PRINT(plist) ACPI_ACTUAL_DEBUG plist
314 #define ACPI_DEBUG_PRINT_RAW(plist) ACPI_ACTUAL_DEBUG_RAW plist
315
316 #endif
317
318 /*
319 * Function entry tracing
320 *
321 * The name of the function is emitted as a local variable that is
322 * intended to be used by both the entry trace and the exit trace.
323 */
324
325 /* Helper macro */
326
327 #define ACPI_TRACE_ENTRY(name, function, type, param) \
328 ACPI_FUNCTION_NAME (name) \
329 function (ACPI_DEBUG_PARAMETERS, (type) (param))
330
331 /* The actual entry trace macros */
332
333 #define ACPI_FUNCTION_TRACE(name) \
334 ACPI_FUNCTION_NAME(name) \
335 acpi_ut_trace (ACPI_DEBUG_PARAMETERS)
336
337 #define ACPI_FUNCTION_TRACE_PTR(name, pointer) \
338 ACPI_TRACE_ENTRY (name, acpi_ut_trace_ptr, void *, pointer)
339
340 #define ACPI_FUNCTION_TRACE_U32(name, value) \
341 ACPI_TRACE_ENTRY (name, acpi_ut_trace_u32, u32, value)
342
343 #define ACPI_FUNCTION_TRACE_STR(name, string) \
344 ACPI_TRACE_ENTRY (name, acpi_ut_trace_str, const char *, string)
345
346 #define ACPI_FUNCTION_ENTRY() \
347 acpi_ut_track_stack_ptr()
348
349 /*
350 * Function exit tracing
351 *
352 * These macros include a return statement. This is usually considered
353 * bad form, but having a separate exit macro before the actual return
354 * is very ugly and difficult to maintain.
355 *
356 * One of the FUNCTION_TRACE macros above must be used in conjunction
357 * with these macros so that "_AcpiFunctionName" is defined.
358 *
359 * There are two versions of most of the return macros. The default version is
360 * safer, since it avoids side-effects by guaranteeing that the argument will
361 * not be evaluated twice.
362 *
363 * A less-safe version of the macros is provided for optional use if the
364 * compiler uses excessive CPU stack (for example, this may happen in the
365 * debug case if code optimization is disabled.)
366 */
367
368 /* Exit trace helper macro */
369
370 #ifndef ACPI_SIMPLE_RETURN_MACROS
371
372 #define ACPI_TRACE_EXIT(function, type, param) \
373 ACPI_DO_WHILE0 ({ \
374 register type _param = (type) (param); \
375 function (ACPI_DEBUG_PARAMETERS, _param); \
376 return (_param); \
377 })
378
379 #else /* Use original less-safe macros */
380
381 #define ACPI_TRACE_EXIT(function, type, param) \
382 ACPI_DO_WHILE0 ({ \
383 function (ACPI_DEBUG_PARAMETERS, (type) (param)); \
384 return (param); \
385 })
386
387 #endif /* ACPI_SIMPLE_RETURN_MACROS */
388
389 /* The actual exit macros */
390
391 #define return_VOID \
392 ACPI_DO_WHILE0 ({ \
393 acpi_ut_exit (ACPI_DEBUG_PARAMETERS); \
394 return; \
395 })
396
397 #define return_ACPI_STATUS(status) \
398 ACPI_TRACE_EXIT (acpi_ut_status_exit, acpi_status, status)
399
400 #define return_PTR(pointer) \
401 ACPI_TRACE_EXIT (acpi_ut_ptr_exit, void *, pointer)
402
403 #define return_STR(string) \
404 ACPI_TRACE_EXIT (acpi_ut_str_exit, const char *, string)
405
406 #define return_VALUE(value) \
407 ACPI_TRACE_EXIT (acpi_ut_value_exit, u64, value)
408
409 #define return_UINT32(value) \
410 ACPI_TRACE_EXIT (acpi_ut_value_exit, u32, value)
411
412 #define return_UINT8(value) \
413 ACPI_TRACE_EXIT (acpi_ut_value_exit, u8, value)
414
415 /* Conditional execution */
416
417 #define ACPI_DEBUG_EXEC(a) a
418 #define ACPI_DEBUG_ONLY_MEMBERS(a) a
419 #define _VERBOSE_STRUCTURES
420
421 /* Various object display routines for debug */
422
423 #define ACPI_DUMP_STACK_ENTRY(a) acpi_ex_dump_operand((a), 0)
424 #define ACPI_DUMP_OPERANDS(a, b ,c) acpi_ex_dump_operands(a, b, c)
425 #define ACPI_DUMP_ENTRY(a, b) acpi_ns_dump_entry (a, b)
426 #define ACPI_DUMP_PATHNAME(a, b, c, d) acpi_ns_dump_pathname(a, b, c, d)
427 #define ACPI_DUMP_BUFFER(a, b) acpi_ut_debug_dump_buffer((u8 *) a, b, DB_BYTE_DISPLAY, _COMPONENT)
428
429 #define ACPI_TRACE_POINT(a, b, c, d) acpi_trace_point (a, b, c, d)
430
431 #else /* ACPI_DEBUG_OUTPUT */
432 /*
433 * This is the non-debug case -- make everything go away,
434 * leaving no executable debug code!
435 */
436 #define ACPI_DEBUG_PRINT(pl)
437 #define ACPI_DEBUG_PRINT_RAW(pl)
438 #define ACPI_DEBUG_EXEC(a)
439 #define ACPI_DEBUG_ONLY_MEMBERS(a)
440 #define ACPI_FUNCTION_NAME(a)
441 #define ACPI_FUNCTION_TRACE(a)
442 #define ACPI_FUNCTION_TRACE_PTR(a, b)
443 #define ACPI_FUNCTION_TRACE_U32(a, b)
444 #define ACPI_FUNCTION_TRACE_STR(a, b)
445 #define ACPI_FUNCTION_ENTRY()
446 #define ACPI_DUMP_STACK_ENTRY(a)
447 #define ACPI_DUMP_OPERANDS(a, b, c)
448 #define ACPI_DUMP_ENTRY(a, b)
449 #define ACPI_DUMP_PATHNAME(a, b, c, d)
450 #define ACPI_DUMP_BUFFER(a, b)
451 #define ACPI_IS_DEBUG_ENABLED(level, component) 0
452 #define ACPI_TRACE_POINT(a, b, c, d)
453
454 /* Return macros must have a return statement at the minimum */
455
456 #define return_VOID return
457 #define return_ACPI_STATUS(s) return(s)
458 #define return_PTR(s) return(s)
459 #define return_STR(s) return(s)
460 #define return_VALUE(s) return(s)
461 #define return_UINT8(s) return(s)
462 #define return_UINT32(s) return(s)
463
464 #endif /* ACPI_DEBUG_OUTPUT */
465
466 #endif /* __ACOUTPUT_H__ */
467
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