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 - 2021, 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