include/acpi/acoutput.h

   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__ */