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Linux/include/acpi/acoutput.h

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  1 /* SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0 */
  2 /******************************************************************************
  3  *
  4  * Name: acoutput.h -- debug output
  5  *
  6  * Copyright (C) 2000 - 2018, 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_VERBOSITY1          0x0007FF40 | ACPI_LV_ALL_EXCEPTIONS
 77 
 78 /* Trace verbosity level 2 [Function tracing and memory allocation] */
 79 
 80 #define ACPI_LV_ALLOCATIONS         0x00100000
 81 #define ACPI_LV_FUNCTIONS           0x00200000
 82 #define ACPI_LV_OPTIMIZATIONS       0x00400000
 83 #define ACPI_LV_VERBOSITY2          0x00700000 | ACPI_LV_VERBOSITY1
 84 #define ACPI_LV_ALL                 ACPI_LV_VERBOSITY2
 85 
 86 /* Trace verbosity level 3 [Threading, I/O, and Interrupts] */
 87 
 88 #define ACPI_LV_MUTEX               0x01000000
 89 #define ACPI_LV_THREADS             0x02000000
 90 #define ACPI_LV_IO                  0x04000000
 91 #define ACPI_LV_INTERRUPTS          0x08000000
 92 #define ACPI_LV_VERBOSITY3          0x0F000000 | ACPI_LV_VERBOSITY2
 93 
 94 /* Exceptionally verbose output -- also used in the global "DebugLevel"  */
 95 
 96 #define ACPI_LV_AML_DISASSEMBLE     0x10000000
 97 #define ACPI_LV_VERBOSE_INFO        0x20000000
 98 #define ACPI_LV_FULL_TABLES         0x40000000
 99 #define ACPI_LV_EVENTS              0x80000000
100 #define ACPI_LV_VERBOSE             0xF0000000
101 
102 /*
103  * Debug level macros that are used in the DEBUG_PRINT macros
104  */
105 #define ACPI_DEBUG_LEVEL(dl)        (u32) dl,ACPI_DEBUG_PARAMETERS
106 
107 /*
108  * Exception level -- used in the global "DebugLevel"
109  *
110  * Note: For errors, use the ACPI_ERROR or ACPI_EXCEPTION interfaces.
111  * For warnings, use ACPI_WARNING.
112  */
113 #define ACPI_DB_INIT                ACPI_DEBUG_LEVEL (ACPI_LV_INIT)
114 #define ACPI_DB_DEBUG_OBJECT        ACPI_DEBUG_LEVEL (ACPI_LV_DEBUG_OBJECT)
115 #define ACPI_DB_INFO                ACPI_DEBUG_LEVEL (ACPI_LV_INFO)
116 #define ACPI_DB_REPAIR              ACPI_DEBUG_LEVEL (ACPI_LV_REPAIR)
117 #define ACPI_DB_TRACE_POINT         ACPI_DEBUG_LEVEL (ACPI_LV_TRACE_POINT)
118 #define ACPI_DB_ALL_EXCEPTIONS      ACPI_DEBUG_LEVEL (ACPI_LV_ALL_EXCEPTIONS)
119 
120 /* Trace level -- also used in the global "DebugLevel" */
121 
122 #define ACPI_DB_INIT_NAMES          ACPI_DEBUG_LEVEL (ACPI_LV_INIT_NAMES)
123 #define ACPI_DB_THREADS             ACPI_DEBUG_LEVEL (ACPI_LV_THREADS)
124 #define ACPI_DB_PARSE               ACPI_DEBUG_LEVEL (ACPI_LV_PARSE)
125 #define ACPI_DB_DISPATCH            ACPI_DEBUG_LEVEL (ACPI_LV_DISPATCH)
126 #define ACPI_DB_LOAD                ACPI_DEBUG_LEVEL (ACPI_LV_LOAD)
127 #define ACPI_DB_EXEC                ACPI_DEBUG_LEVEL (ACPI_LV_EXEC)
128 #define ACPI_DB_NAMES               ACPI_DEBUG_LEVEL (ACPI_LV_NAMES)
129 #define ACPI_DB_OPREGION            ACPI_DEBUG_LEVEL (ACPI_LV_OPREGION)
130 #define ACPI_DB_BFIELD              ACPI_DEBUG_LEVEL (ACPI_LV_BFIELD)
131 #define ACPI_DB_TABLES              ACPI_DEBUG_LEVEL (ACPI_LV_TABLES)
132 #define ACPI_DB_FUNCTIONS           ACPI_DEBUG_LEVEL (ACPI_LV_FUNCTIONS)
133 #define ACPI_DB_OPTIMIZATIONS       ACPI_DEBUG_LEVEL (ACPI_LV_OPTIMIZATIONS)
134 #define ACPI_DB_VALUES              ACPI_DEBUG_LEVEL (ACPI_LV_VALUES)
135 #define ACPI_DB_OBJECTS             ACPI_DEBUG_LEVEL (ACPI_LV_OBJECTS)
136 #define ACPI_DB_ALLOCATIONS         ACPI_DEBUG_LEVEL (ACPI_LV_ALLOCATIONS)
137 #define ACPI_DB_RESOURCES           ACPI_DEBUG_LEVEL (ACPI_LV_RESOURCES)
138 #define ACPI_DB_IO                  ACPI_DEBUG_LEVEL (ACPI_LV_IO)
139 #define ACPI_DB_INTERRUPTS          ACPI_DEBUG_LEVEL (ACPI_LV_INTERRUPTS)
140 #define ACPI_DB_USER_REQUESTS       ACPI_DEBUG_LEVEL (ACPI_LV_USER_REQUESTS)
141 #define ACPI_DB_PACKAGE             ACPI_DEBUG_LEVEL (ACPI_LV_PACKAGE)
142 #define ACPI_DB_MUTEX               ACPI_DEBUG_LEVEL (ACPI_LV_MUTEX)
143 #define ACPI_DB_EVENTS              ACPI_DEBUG_LEVEL (ACPI_LV_EVENTS)
144 
145 #define ACPI_DB_ALL                 ACPI_DEBUG_LEVEL (ACPI_LV_ALL)
146 
147 /* Defaults for debug_level, debug and normal */
148 
149 #define ACPI_DEBUG_DEFAULT          (ACPI_LV_INFO | ACPI_LV_REPAIR)
150 #define ACPI_NORMAL_DEFAULT         (ACPI_LV_INIT | ACPI_LV_DEBUG_OBJECT | ACPI_LV_REPAIR)
151 #define ACPI_DEBUG_ALL              (ACPI_LV_AML_DISASSEMBLE | ACPI_LV_ALL_EXCEPTIONS | ACPI_LV_ALL)
152 
153 /*
154  * Global trace flags
155  */
156 #define ACPI_TRACE_ENABLED          ((u32) 4)
157 #define ACPI_TRACE_ONESHOT          ((u32) 2)
158 #define ACPI_TRACE_OPCODE           ((u32) 1)
159 
160 /* Defaults for trace debugging level/layer */
161 
162 #define ACPI_TRACE_LEVEL_ALL        ACPI_LV_ALL
163 #define ACPI_TRACE_LAYER_ALL        0x000001FF
164 #define ACPI_TRACE_LEVEL_DEFAULT    ACPI_LV_TRACE_POINT
165 #define ACPI_TRACE_LAYER_DEFAULT    ACPI_EXECUTER
166 
167 #if defined (ACPI_DEBUG_OUTPUT) || !defined (ACPI_NO_ERROR_MESSAGES)
168 /*
169  * The module name is used primarily for error and debug messages.
170  * The __FILE__ macro is not very useful for this, because it
171  * usually includes the entire pathname to the module making the
172  * debug output difficult to read.
173  */
174 #define ACPI_MODULE_NAME(name)          static const char ACPI_UNUSED_VAR _acpi_module_name[] = name;
175 #else
176 /*
177  * For the no-debug and no-error-msg cases, we must at least define
178  * a null module name.
179  */
180 #define ACPI_MODULE_NAME(name)
181 #define _acpi_module_name ""
182 #endif
183 
184 /*
185  * Ascii error messages can be configured out
186  */
187 #ifndef ACPI_NO_ERROR_MESSAGES
188 #define AE_INFO                         _acpi_module_name, __LINE__
189 
190 /*
191  * Error reporting. Callers module and line number are inserted by AE_INFO,
192  * the plist contains a set of parens to allow variable-length lists.
193  * These macros are used for both the debug and non-debug versions of the code.
194  */
195 #define ACPI_INFO(plist)                acpi_info plist
196 #define ACPI_WARNING(plist)             acpi_warning plist
197 #define ACPI_EXCEPTION(plist)           acpi_exception plist
198 #define ACPI_ERROR(plist)               acpi_error plist
199 #define ACPI_BIOS_WARNING(plist)        acpi_bios_warning plist
200 #define ACPI_BIOS_ERROR(plist)          acpi_bios_error plist
201 #define ACPI_DEBUG_OBJECT(obj,l,i)      acpi_ex_do_debug_object(obj,l,i)
202 
203 #else
204 
205 /* No error messages */
206 
207 #define ACPI_INFO(plist)
208 #define ACPI_WARNING(plist)
209 #define ACPI_EXCEPTION(plist)
210 #define ACPI_ERROR(plist)
211 #define ACPI_BIOS_WARNING(plist)
212 #define ACPI_BIOS_ERROR(plist)
213 #define ACPI_DEBUG_OBJECT(obj,l,i)
214 
215 #endif                          /* ACPI_NO_ERROR_MESSAGES */
216 
217 /*
218  * Debug macros that are conditionally compiled
219  */
220 #ifdef ACPI_DEBUG_OUTPUT
221 
222 /*
223  * If ACPI_GET_FUNCTION_NAME was not defined in the compiler-dependent header,
224  * define it now. This is the case where there the compiler does not support
225  * a __func__ macro or equivalent.
226  */
227 #ifndef ACPI_GET_FUNCTION_NAME
228 #define ACPI_GET_FUNCTION_NAME          _acpi_function_name
229 
230 /*
231  * The Name parameter should be the procedure name as a non-quoted string.
232  * The function name is also used by the function exit macros below.
233  * Note: (const char) is used to be compatible with the debug interfaces
234  * and macros such as __func__.
235  */
236 #define ACPI_FUNCTION_NAME(name)        static const char _acpi_function_name[] = #name;
237 
238 #else
239 /* Compiler supports __func__ (or equivalent) -- Ignore this macro */
240 
241 #define ACPI_FUNCTION_NAME(name)
242 #endif                          /* ACPI_GET_FUNCTION_NAME */
243 
244 /*
245  * Common parameters used for debug output functions:
246  * line number, function name, module(file) name, component ID
247  */
248 #define ACPI_DEBUG_PARAMETERS \
249         __LINE__, ACPI_GET_FUNCTION_NAME, _acpi_module_name, _COMPONENT
250 
251 /* Check if debug output is currently dynamically enabled */
252 
253 #define ACPI_IS_DEBUG_ENABLED(level, component) \
254         ((level & acpi_dbg_level) && (component & acpi_dbg_layer))
255 
256 /*
257  * Master debug print macros
258  * Print message if and only if:
259  *    1) Debug print for the current component is enabled
260  *    2) Debug error level or trace level for the print statement is enabled
261  *
262  * November 2012: Moved the runtime check for whether to actually emit the
263  * debug message outside of the print function itself. This improves overall
264  * performance at a relatively small code cost. Implementation involves the
265  * use of variadic macros supported by C99.
266  *
267  * Note: the ACPI_DO_WHILE0 macro is used to prevent some compilers from
268  * complaining about these constructs. On other compilers the do...while
269  * adds some extra code, so this feature is optional.
270  */
271 #ifdef ACPI_USE_DO_WHILE_0
272 #define ACPI_DO_WHILE0(a)               do a while(0)
273 #else
274 #define ACPI_DO_WHILE0(a)               a
275 #endif
276 
277 /* DEBUG_PRINT functions */
278 
279 #ifndef COMPILER_VA_MACRO
280 
281 #define ACPI_DEBUG_PRINT(plist)         acpi_debug_print plist
282 #define ACPI_DEBUG_PRINT_RAW(plist)     acpi_debug_print_raw plist
283 
284 #else
285 
286 /* Helper macros for DEBUG_PRINT */
287 
288 #define ACPI_DO_DEBUG_PRINT(function, level, line, filename, modulename, component, ...) \
289         ACPI_DO_WHILE0 ({ \
290                 if (ACPI_IS_DEBUG_ENABLED (level, component)) \
291                 { \
292                         function (level, line, filename, modulename, component, __VA_ARGS__); \
293                 } \
294         })
295 
296 #define ACPI_ACTUAL_DEBUG(level, line, filename, modulename, component, ...) \
297         ACPI_DO_DEBUG_PRINT (acpi_debug_print, level, line, \
298                 filename, modulename, component, __VA_ARGS__)
299 
300 #define ACPI_ACTUAL_DEBUG_RAW(level, line, filename, modulename, component, ...) \
301         ACPI_DO_DEBUG_PRINT (acpi_debug_print_raw, level, line, \
302                 filename, modulename, component, __VA_ARGS__)
303 
304 #define ACPI_DEBUG_PRINT(plist)         ACPI_ACTUAL_DEBUG plist
305 #define ACPI_DEBUG_PRINT_RAW(plist)     ACPI_ACTUAL_DEBUG_RAW plist
306 
307 #endif
308 
309 /*
310  * Function entry tracing
311  *
312  * The name of the function is emitted as a local variable that is
313  * intended to be used by both the entry trace and the exit trace.
314  */
315 
316 /* Helper macro */
317 
318 #define ACPI_TRACE_ENTRY(name, function, type, param) \
319         ACPI_FUNCTION_NAME (name) \
320         function (ACPI_DEBUG_PARAMETERS, (type) (param))
321 
322 /* The actual entry trace macros */
323 
324 #define ACPI_FUNCTION_TRACE(name) \
325         ACPI_FUNCTION_NAME(name) \
326         acpi_ut_trace (ACPI_DEBUG_PARAMETERS)
327 
328 #define ACPI_FUNCTION_TRACE_PTR(name, pointer) \
329         ACPI_TRACE_ENTRY (name, acpi_ut_trace_ptr, void *, pointer)
330 
331 #define ACPI_FUNCTION_TRACE_U32(name, value) \
332         ACPI_TRACE_ENTRY (name, acpi_ut_trace_u32, u32, value)
333 
334 #define ACPI_FUNCTION_TRACE_STR(name, string) \
335         ACPI_TRACE_ENTRY (name, acpi_ut_trace_str, const char *, string)
336 
337 #define ACPI_FUNCTION_ENTRY() \
338         acpi_ut_track_stack_ptr()
339 
340 /*
341  * Function exit tracing
342  *
343  * These macros include a return statement. This is usually considered
344  * bad form, but having a separate exit macro before the actual return
345  * is very ugly and difficult to maintain.
346  *
347  * One of the FUNCTION_TRACE macros above must be used in conjunction
348  * with these macros so that "_AcpiFunctionName" is defined.
349  *
350  * There are two versions of most of the return macros. The default version is
351  * safer, since it avoids side-effects by guaranteeing that the argument will
352  * not be evaluated twice.
353  *
354  * A less-safe version of the macros is provided for optional use if the
355  * compiler uses excessive CPU stack (for example, this may happen in the
356  * debug case if code optimzation is disabled.)
357  */
358 
359 /* Exit trace helper macro */
360 
361 #ifndef ACPI_SIMPLE_RETURN_MACROS
362 
363 #define ACPI_TRACE_EXIT(function, type, param) \
364         ACPI_DO_WHILE0 ({ \
365                 register type _param = (type) (param); \
366                 function (ACPI_DEBUG_PARAMETERS, _param); \
367                 return (_param); \
368         })
369 
370 #else                           /* Use original less-safe macros */
371 
372 #define ACPI_TRACE_EXIT(function, type, param) \
373         ACPI_DO_WHILE0 ({ \
374                 function (ACPI_DEBUG_PARAMETERS, (type) (param)); \
375                 return (param); \
376         })
377 
378 #endif                          /* ACPI_SIMPLE_RETURN_MACROS */
379 
380 /* The actual exit macros */
381 
382 #define return_VOID \
383         ACPI_DO_WHILE0 ({ \
384                 acpi_ut_exit (ACPI_DEBUG_PARAMETERS); \
385                 return; \
386         })
387 
388 #define return_ACPI_STATUS(status) \
389         ACPI_TRACE_EXIT (acpi_ut_status_exit, acpi_status, status)
390 
391 #define return_PTR(pointer) \
392         ACPI_TRACE_EXIT (acpi_ut_ptr_exit, void *, pointer)
393 
394 #define return_STR(string) \
395         ACPI_TRACE_EXIT (acpi_ut_str_exit, const char *, string)
396 
397 #define return_VALUE(value) \
398         ACPI_TRACE_EXIT (acpi_ut_value_exit, u64, value)
399 
400 #define return_UINT32(value) \
401         ACPI_TRACE_EXIT (acpi_ut_value_exit, u32, value)
402 
403 #define return_UINT8(value) \
404         ACPI_TRACE_EXIT (acpi_ut_value_exit, u8, value)
405 
406 /* Conditional execution */
407 
408 #define ACPI_DEBUG_EXEC(a)              a
409 #define ACPI_DEBUG_ONLY_MEMBERS(a)      a;
410 #define _VERBOSE_STRUCTURES
411 
412 /* Various object display routines for debug */
413 
414 #define ACPI_DUMP_STACK_ENTRY(a)        acpi_ex_dump_operand((a), 0)
415 #define ACPI_DUMP_OPERANDS(a, b ,c)     acpi_ex_dump_operands(a, b, c)
416 #define ACPI_DUMP_ENTRY(a, b)           acpi_ns_dump_entry (a, b)
417 #define ACPI_DUMP_PATHNAME(a, b, c, d)  acpi_ns_dump_pathname(a, b, c, d)
418 #define ACPI_DUMP_BUFFER(a, b)          acpi_ut_debug_dump_buffer((u8 *) a, b, DB_BYTE_DISPLAY, _COMPONENT)
419 
420 #define ACPI_TRACE_POINT(a, b, c, d)    acpi_trace_point (a, b, c, d)
421 
422 #else                           /* ACPI_DEBUG_OUTPUT */
423 /*
424  * This is the non-debug case -- make everything go away,
425  * leaving no executable debug code!
426  */
427 #define ACPI_DEBUG_PRINT(pl)
428 #define ACPI_DEBUG_PRINT_RAW(pl)
429 #define ACPI_DEBUG_EXEC(a)
430 #define ACPI_DEBUG_ONLY_MEMBERS(a)
431 #define ACPI_FUNCTION_NAME(a)
432 #define ACPI_FUNCTION_TRACE(a)
433 #define ACPI_FUNCTION_TRACE_PTR(a, b)
434 #define ACPI_FUNCTION_TRACE_U32(a, b)
435 #define ACPI_FUNCTION_TRACE_STR(a, b)
436 #define ACPI_FUNCTION_ENTRY()
437 #define ACPI_DUMP_STACK_ENTRY(a)
438 #define ACPI_DUMP_OPERANDS(a, b, c)
439 #define ACPI_DUMP_ENTRY(a, b)
440 #define ACPI_DUMP_PATHNAME(a, b, c, d)
441 #define ACPI_DUMP_BUFFER(a, b)
442 #define ACPI_IS_DEBUG_ENABLED(level, component) 0
443 #define ACPI_TRACE_POINT(a, b, c, d)
444 
445 /* Return macros must have a return statement at the minimum */
446 
447 #define return_VOID                     return
448 #define return_ACPI_STATUS(s)           return(s)
449 #define return_PTR(s)                   return(s)
450 #define return_STR(s)                   return(s)
451 #define return_VALUE(s)                 return(s)
452 #define return_UINT8(s)                 return(s)
453 #define return_UINT32(s)                return(s)
454 
455 #endif                          /* ACPI_DEBUG_OUTPUT */
456 
457 #endif                          /* __ACOUTPUT_H__ */
458 

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