xref: /linux/include/acpi/acoutput.h (revision 632b746b)
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 #define ACPI_ONCE(_fn, _plist)                  { static char _done; if (!_done) { _done = 1; _fn _plist; } }
197 
198 /*
199  * Error reporting. Callers module and line number are inserted by AE_INFO,
200  * the plist contains a set of parens to allow variable-length lists.
201  * These macros are used for both the debug and non-debug versions of the code.
202  */
203 #define ACPI_INFO(plist)                acpi_info plist
204 #define ACPI_WARNING(plist)             acpi_warning plist
205 #define ACPI_WARNING_ONCE(plist)        ACPI_ONCE(acpi_warning, plist)
206 #define ACPI_EXCEPTION(plist)           acpi_exception plist
207 #define ACPI_ERROR(plist)               acpi_error plist
208 #define ACPI_ERROR_ONCE(plist)          ACPI_ONCE(acpi_error, plist)
209 #define ACPI_BIOS_WARNING(plist)        acpi_bios_warning plist
210 #define ACPI_BIOS_EXCEPTION(plist)      acpi_bios_exception plist
211 #define ACPI_BIOS_ERROR(plist)          acpi_bios_error plist
212 #define ACPI_DEBUG_OBJECT(obj,l,i)      acpi_ex_do_debug_object(obj,l,i)
213 
214 #else
215 
216 /* No error messages */
217 
218 #define ACPI_INFO(plist)
219 #define ACPI_WARNING(plist)
220 #define ACPI_WARNING_ONCE(plist)
221 #define ACPI_EXCEPTION(plist)
222 #define ACPI_ERROR(plist)
223 #define ACPI_ERROR_ONCE(plist)
224 #define ACPI_BIOS_WARNING(plist)
225 #define ACPI_BIOS_EXCEPTION(plist)
226 #define ACPI_BIOS_ERROR(plist)
227 #define ACPI_DEBUG_OBJECT(obj,l,i)
228 
229 #endif				/* ACPI_NO_ERROR_MESSAGES */
230 
231 /*
232  * Debug macros that are conditionally compiled
233  */
234 #ifdef ACPI_DEBUG_OUTPUT
235 
236 /*
237  * If ACPI_GET_FUNCTION_NAME was not defined in the compiler-dependent header,
238  * define it now. This is the case where there the compiler does not support
239  * a __func__ macro or equivalent.
240  */
241 #ifndef ACPI_GET_FUNCTION_NAME
242 #define ACPI_GET_FUNCTION_NAME          _acpi_function_name
243 
244 /*
245  * The Name parameter should be the procedure name as a non-quoted string.
246  * The function name is also used by the function exit macros below.
247  * Note: (const char) is used to be compatible with the debug interfaces
248  * and macros such as __func__.
249  */
250 #define ACPI_FUNCTION_NAME(name)        static const char _acpi_function_name[] = #name;
251 
252 #else
253 /* Compiler supports __func__ (or equivalent) -- Ignore this macro */
254 
255 #define ACPI_FUNCTION_NAME(name)
256 #endif				/* ACPI_GET_FUNCTION_NAME */
257 
258 /*
259  * Common parameters used for debug output functions:
260  * line number, function name, module(file) name, component ID
261  */
262 #define ACPI_DEBUG_PARAMETERS \
263 	__LINE__, ACPI_GET_FUNCTION_NAME, _acpi_module_name, _COMPONENT
264 
265 /* Check if debug output is currently dynamically enabled */
266 
267 #define ACPI_IS_DEBUG_ENABLED(level, component) \
268 	((level & acpi_dbg_level) && (component & acpi_dbg_layer))
269 
270 /*
271  * Master debug print macros
272  * Print message if and only if:
273  *    1) Debug print for the current component is enabled
274  *    2) Debug error level or trace level for the print statement is enabled
275  *
276  * November 2012: Moved the runtime check for whether to actually emit the
277  * debug message outside of the print function itself. This improves overall
278  * performance at a relatively small code cost. Implementation involves the
279  * use of variadic macros supported by C99.
280  *
281  * Note: the ACPI_DO_WHILE0 macro is used to prevent some compilers from
282  * complaining about these constructs. On other compilers the do...while
283  * adds some extra code, so this feature is optional.
284  */
285 #ifdef ACPI_USE_DO_WHILE_0
286 #define ACPI_DO_WHILE0(a)               do a while(0)
287 #else
288 #define ACPI_DO_WHILE0(a)               a
289 #endif
290 
291 /* DEBUG_PRINT functions */
292 
293 #ifndef COMPILER_VA_MACRO
294 
295 #define ACPI_DEBUG_PRINT(plist)         acpi_debug_print plist
296 #define ACPI_DEBUG_PRINT_RAW(plist)     acpi_debug_print_raw plist
297 
298 #else
299 
300 /* Helper macros for DEBUG_PRINT */
301 
302 #define ACPI_DO_DEBUG_PRINT(function, level, line, filename, modulename, component, ...) \
303 	ACPI_DO_WHILE0 ({ \
304 		if (ACPI_IS_DEBUG_ENABLED (level, component)) \
305 		{ \
306 			function (level, line, filename, modulename, component, __VA_ARGS__); \
307 		} \
308 	})
309 
310 #define ACPI_ACTUAL_DEBUG(level, line, filename, modulename, component, ...) \
311 	ACPI_DO_DEBUG_PRINT (acpi_debug_print, level, line, \
312 		filename, modulename, component, __VA_ARGS__)
313 
314 #define ACPI_ACTUAL_DEBUG_RAW(level, line, filename, modulename, component, ...) \
315 	ACPI_DO_DEBUG_PRINT (acpi_debug_print_raw, level, line, \
316 		filename, modulename, component, __VA_ARGS__)
317 
318 #define ACPI_DEBUG_PRINT(plist)         ACPI_ACTUAL_DEBUG plist
319 #define ACPI_DEBUG_PRINT_RAW(plist)     ACPI_ACTUAL_DEBUG_RAW plist
320 
321 #endif
322 
323 /*
324  * Function entry tracing
325  *
326  * The name of the function is emitted as a local variable that is
327  * intended to be used by both the entry trace and the exit trace.
328  */
329 
330 /* Helper macro */
331 
332 #define ACPI_TRACE_ENTRY(name, function, type, param) \
333 	ACPI_FUNCTION_NAME (name) \
334 	function (ACPI_DEBUG_PARAMETERS, (type) (param))
335 
336 /* The actual entry trace macros */
337 
338 #define ACPI_FUNCTION_TRACE(name) \
339 	ACPI_FUNCTION_NAME(name) \
340 	acpi_ut_trace (ACPI_DEBUG_PARAMETERS)
341 
342 #define ACPI_FUNCTION_TRACE_PTR(name, pointer) \
343 	ACPI_TRACE_ENTRY (name, acpi_ut_trace_ptr, void *, pointer)
344 
345 #define ACPI_FUNCTION_TRACE_U32(name, value) \
346 	ACPI_TRACE_ENTRY (name, acpi_ut_trace_u32, u32, value)
347 
348 #define ACPI_FUNCTION_TRACE_STR(name, string) \
349 	ACPI_TRACE_ENTRY (name, acpi_ut_trace_str, const char *, string)
350 
351 #define ACPI_FUNCTION_ENTRY() \
352 	acpi_ut_track_stack_ptr()
353 
354 /*
355  * Function exit tracing
356  *
357  * These macros include a return statement. This is usually considered
358  * bad form, but having a separate exit macro before the actual return
359  * is very ugly and difficult to maintain.
360  *
361  * One of the FUNCTION_TRACE macros above must be used in conjunction
362  * with these macros so that "_AcpiFunctionName" is defined.
363  *
364  * There are two versions of most of the return macros. The default version is
365  * safer, since it avoids side-effects by guaranteeing that the argument will
366  * not be evaluated twice.
367  *
368  * A less-safe version of the macros is provided for optional use if the
369  * compiler uses excessive CPU stack (for example, this may happen in the
370  * debug case if code optimization is disabled.)
371  */
372 
373 /* Exit trace helper macro */
374 
375 #ifndef ACPI_SIMPLE_RETURN_MACROS
376 
377 #define ACPI_TRACE_EXIT(function, type, param) \
378 	ACPI_DO_WHILE0 ({ \
379 		register type _param = (type) (param); \
380 		function (ACPI_DEBUG_PARAMETERS, _param); \
381 		return (_param); \
382 	})
383 
384 #else				/* Use original less-safe macros */
385 
386 #define ACPI_TRACE_EXIT(function, type, param) \
387 	ACPI_DO_WHILE0 ({ \
388 		function (ACPI_DEBUG_PARAMETERS, (type) (param)); \
389 		return (param); \
390 	})
391 
392 #endif				/* ACPI_SIMPLE_RETURN_MACROS */
393 
394 /* The actual exit macros */
395 
396 #define return_VOID \
397 	ACPI_DO_WHILE0 ({ \
398 		acpi_ut_exit (ACPI_DEBUG_PARAMETERS); \
399 		return; \
400 	})
401 
402 #define return_ACPI_STATUS(status) \
403 	ACPI_TRACE_EXIT (acpi_ut_status_exit, acpi_status, status)
404 
405 #define return_PTR(pointer) \
406 	ACPI_TRACE_EXIT (acpi_ut_ptr_exit, void *, pointer)
407 
408 #define return_STR(string) \
409 	ACPI_TRACE_EXIT (acpi_ut_str_exit, const char *, string)
410 
411 #define return_VALUE(value) \
412 	ACPI_TRACE_EXIT (acpi_ut_value_exit, u64, value)
413 
414 #define return_UINT32(value) \
415 	ACPI_TRACE_EXIT (acpi_ut_value_exit, u32, value)
416 
417 #define return_UINT8(value) \
418 	ACPI_TRACE_EXIT (acpi_ut_value_exit, u8, value)
419 
420 /* Conditional execution */
421 
422 #define ACPI_DEBUG_EXEC(a)              a
423 #define ACPI_DEBUG_ONLY_MEMBERS(a)      a
424 #define _VERBOSE_STRUCTURES
425 
426 /* Various object display routines for debug */
427 
428 #define ACPI_DUMP_STACK_ENTRY(a)        acpi_ex_dump_operand((a), 0)
429 #define ACPI_DUMP_OPERANDS(a, b ,c)     acpi_ex_dump_operands(a, b, c)
430 #define ACPI_DUMP_ENTRY(a, b)           acpi_ns_dump_entry (a, b)
431 #define ACPI_DUMP_PATHNAME(a, b, c, d)  acpi_ns_dump_pathname(a, b, c, d)
432 #define ACPI_DUMP_BUFFER(a, b)          acpi_ut_debug_dump_buffer((u8 *) a, b, DB_BYTE_DISPLAY, _COMPONENT)
433 
434 #define ACPI_TRACE_POINT(a, b, c, d)    acpi_trace_point (a, b, c, d)
435 
436 #else				/* ACPI_DEBUG_OUTPUT */
437 /*
438  * This is the non-debug case -- make everything go away,
439  * leaving no executable debug code!
440  */
441 #define ACPI_DEBUG_PRINT(pl)
442 #define ACPI_DEBUG_PRINT_RAW(pl)
443 #define ACPI_DEBUG_EXEC(a)
444 #define ACPI_DEBUG_ONLY_MEMBERS(a)
445 #define ACPI_FUNCTION_NAME(a)
446 #define ACPI_FUNCTION_TRACE(a)
447 #define ACPI_FUNCTION_TRACE_PTR(a, b)
448 #define ACPI_FUNCTION_TRACE_U32(a, b)
449 #define ACPI_FUNCTION_TRACE_STR(a, b)
450 #define ACPI_FUNCTION_ENTRY()
451 #define ACPI_DUMP_STACK_ENTRY(a)
452 #define ACPI_DUMP_OPERANDS(a, b, c)
453 #define ACPI_DUMP_ENTRY(a, b)
454 #define ACPI_DUMP_PATHNAME(a, b, c, d)
455 #define ACPI_DUMP_BUFFER(a, b)
456 #define ACPI_IS_DEBUG_ENABLED(level, component) 0
457 #define ACPI_TRACE_POINT(a, b, c, d)
458 
459 /* Return macros must have a return statement at the minimum */
460 
461 #define return_VOID                     return
462 #define return_ACPI_STATUS(s)           return(s)
463 #define return_PTR(s)                   return(s)
464 #define return_STR(s)                   return(s)
465 #define return_VALUE(s)                 return(s)
466 #define return_UINT8(s)                 return(s)
467 #define return_UINT32(s)                return(s)
468 
469 #endif				/* ACPI_DEBUG_OUTPUT */
470 
471 #endif				/* __ACOUTPUT_H__ */
472