include/acpi/acoutput.h

   1 /******************************************************************************
   2  *
   3  * Name: acoutput.h -- debug output
   4  *
   5  *****************************************************************************/
   6
   7 /*
   8  * Copyright (C) 2000 - 2013, Intel Corp.
   9  * All rights reserved.
  10  *
  11  * Redistribution and use in source and binary forms, with or without
  12  * modification, are permitted provided that the following conditions
  13  * are met:
  14  * 1. Redistributions of source code must retain the above copyright
  15  *    notice, this list of conditions, and the following disclaimer,
  16  *    without modification.
  17  * 2. Redistributions in binary form must reproduce at minimum a disclaimer
  18  *    substantially similar to the "NO WARRANTY" disclaimer below
  19  *    ("Disclaimer") and any redistribution must be conditioned upon
  20  *    including a substantially similar Disclaimer requirement for further
  21  *    binary redistribution.
  22  * 3. Neither the names of the above-listed copyright holders nor the names
  23  *    of any contributors may be used to endorse or promote products derived
  24  *    from this software without specific prior written permission.
  25  *
  26  * Alternatively, this software may be distributed under the terms of the
  27  * GNU General Public License ("GPL") version 2 as published by the Free
  28  * Software Foundation.
  29  *
  30  * NO WARRANTY
  31  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  32  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  33  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
  34  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  35  * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  36  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  37  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  38  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
  39  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
  40  * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  41  * POSSIBILITY OF SUCH DAMAGES.
  42  */
  43
  44 #ifndef __ACOUTPUT_H__
  45 #define __ACOUTPUT_H__
  46
  47 /*
  48  * Debug levels and component IDs. These are used to control the
  49  * granularity of the output of the ACPI_DEBUG_PRINT macro -- on a
  50  * per-component basis and a per-exception-type basis.
  51  */
  52
  53 /* Component IDs are used in the global "DebugLayer" */
  54
  55 #define ACPI_UTILITIES              0x00000001
  56 #define ACPI_HARDWARE               0x00000002
  57 #define ACPI_EVENTS                 0x00000004
  58 #define ACPI_TABLES                 0x00000008
  59 #define ACPI_NAMESPACE              0x00000010
  60 #define ACPI_PARSER                 0x00000020
  61 #define ACPI_DISPATCHER             0x00000040
  62 #define ACPI_EXECUTER               0x00000080
  63 #define ACPI_RESOURCES              0x00000100
  64 #define ACPI_CA_DEBUGGER            0x00000200
  65 #define ACPI_OS_SERVICES            0x00000400
  66 #define ACPI_CA_DISASSEMBLER        0x00000800
  67
  68 /* Component IDs for ACPI tools and utilities */
  69
  70 #define ACPI_COMPILER               0x00001000
  71 #define ACPI_TOOLS                  0x00002000
  72 #define ACPI_EXAMPLE                0x00004000
  73 #define ACPI_DRIVER                 0x00008000
  74 #define DT_COMPILER                 0x00010000
  75 #define ASL_PREPROCESSOR            0x00020000
  76
  77 #define ACPI_ALL_COMPONENTS         0x0001FFFF
  78 #define ACPI_COMPONENT_DEFAULT      (ACPI_ALL_COMPONENTS)
  79
  80 /* Component IDs reserved for ACPI drivers */
  81
  82 #define ACPI_ALL_DRIVERS            0xFFFF0000
  83
  84 /*
  85  * Raw debug output levels, do not use these in the ACPI_DEBUG_PRINT macros
  86  */
  87 #define ACPI_LV_INIT                0x00000001
  88 #define ACPI_LV_DEBUG_OBJECT        0x00000002
  89 #define ACPI_LV_INFO                0x00000004
  90 #define ACPI_LV_REPAIR              0x00000008
  91 #define ACPI_LV_ALL_EXCEPTIONS      0x0000000F
  92
  93 /* Trace verbosity level 1 [Standard Trace Level] */
  94
  95 #define ACPI_LV_INIT_NAMES          0x00000020
  96 #define ACPI_LV_PARSE               0x00000040
  97 #define ACPI_LV_LOAD                0x00000080
  98 #define ACPI_LV_DISPATCH            0x00000100
  99 #define ACPI_LV_EXEC                0x00000200
 100 #define ACPI_LV_NAMES               0x00000400
 101 #define ACPI_LV_OPREGION            0x00000800
 102 #define ACPI_LV_BFIELD              0x00001000
 103 #define ACPI_LV_TABLES              0x00002000
 104 #define ACPI_LV_VALUES              0x00004000
 105 #define ACPI_LV_OBJECTS             0x00008000
 106 #define ACPI_LV_RESOURCES           0x00010000
 107 #define ACPI_LV_USER_REQUESTS       0x00020000
 108 #define ACPI_LV_PACKAGE             0x00040000
 109 #define ACPI_LV_VERBOSITY1          0x0007FF40 | ACPI_LV_ALL_EXCEPTIONS
 110
 111 /* Trace verbosity level 2 [Function tracing and memory allocation] */
 112
 113 #define ACPI_LV_ALLOCATIONS         0x00100000
 114 #define ACPI_LV_FUNCTIONS           0x00200000
 115 #define ACPI_LV_OPTIMIZATIONS       0x00400000
 116 #define ACPI_LV_VERBOSITY2          0x00700000 | ACPI_LV_VERBOSITY1
 117 #define ACPI_LV_ALL                 ACPI_LV_VERBOSITY2
 118
 119 /* Trace verbosity level 3 [Threading, I/O, and Interrupts] */
 120
 121 #define ACPI_LV_MUTEX               0x01000000
 122 #define ACPI_LV_THREADS             0x02000000
 123 #define ACPI_LV_IO                  0x04000000
 124 #define ACPI_LV_INTERRUPTS          0x08000000
 125 #define ACPI_LV_VERBOSITY3          0x0F000000 | ACPI_LV_VERBOSITY2
 126
 127 /* Exceptionally verbose output -- also used in the global "DebugLevel"  */
 128
 129 #define ACPI_LV_AML_DISASSEMBLE     0x10000000
 130 #define ACPI_LV_VERBOSE_INFO        0x20000000
 131 #define ACPI_LV_FULL_TABLES         0x40000000
 132 #define ACPI_LV_EVENTS              0x80000000
 133 #define ACPI_LV_VERBOSE             0xF0000000
 134
 135 /*
 136  * Debug level macros that are used in the DEBUG_PRINT macros
 137  */
 138 #define ACPI_DEBUG_LEVEL(dl)        (u32) dl,ACPI_DEBUG_PARAMETERS
 139
 140 /*
 141  * Exception level -- used in the global "DebugLevel"
 142  *
 143  * Note: For errors, use the ACPI_ERROR or ACPI_EXCEPTION interfaces.
 144  * For warnings, use ACPI_WARNING.
 145  */
 146 #define ACPI_DB_INIT                ACPI_DEBUG_LEVEL (ACPI_LV_INIT)
 147 #define ACPI_DB_DEBUG_OBJECT        ACPI_DEBUG_LEVEL (ACPI_LV_DEBUG_OBJECT)
 148 #define ACPI_DB_INFO                ACPI_DEBUG_LEVEL (ACPI_LV_INFO)
 149 #define ACPI_DB_REPAIR              ACPI_DEBUG_LEVEL (ACPI_LV_REPAIR)
 150 #define ACPI_DB_ALL_EXCEPTIONS      ACPI_DEBUG_LEVEL (ACPI_LV_ALL_EXCEPTIONS)
 151
 152 /* Trace level -- also used in the global "DebugLevel" */
 153
 154 #define ACPI_DB_INIT_NAMES          ACPI_DEBUG_LEVEL (ACPI_LV_INIT_NAMES)
 155 #define ACPI_DB_THREADS             ACPI_DEBUG_LEVEL (ACPI_LV_THREADS)
 156 #define ACPI_DB_PARSE               ACPI_DEBUG_LEVEL (ACPI_LV_PARSE)
 157 #define ACPI_DB_DISPATCH            ACPI_DEBUG_LEVEL (ACPI_LV_DISPATCH)
 158 #define ACPI_DB_LOAD                ACPI_DEBUG_LEVEL (ACPI_LV_LOAD)
 159 #define ACPI_DB_EXEC                ACPI_DEBUG_LEVEL (ACPI_LV_EXEC)
 160 #define ACPI_DB_NAMES               ACPI_DEBUG_LEVEL (ACPI_LV_NAMES)
 161 #define ACPI_DB_OPREGION            ACPI_DEBUG_LEVEL (ACPI_LV_OPREGION)
 162 #define ACPI_DB_BFIELD              ACPI_DEBUG_LEVEL (ACPI_LV_BFIELD)
 163 #define ACPI_DB_TABLES              ACPI_DEBUG_LEVEL (ACPI_LV_TABLES)
 164 #define ACPI_DB_FUNCTIONS           ACPI_DEBUG_LEVEL (ACPI_LV_FUNCTIONS)
 165 #define ACPI_DB_OPTIMIZATIONS       ACPI_DEBUG_LEVEL (ACPI_LV_OPTIMIZATIONS)
 166 #define ACPI_DB_VALUES              ACPI_DEBUG_LEVEL (ACPI_LV_VALUES)
 167 #define ACPI_DB_OBJECTS             ACPI_DEBUG_LEVEL (ACPI_LV_OBJECTS)
 168 #define ACPI_DB_ALLOCATIONS         ACPI_DEBUG_LEVEL (ACPI_LV_ALLOCATIONS)
 169 #define ACPI_DB_RESOURCES           ACPI_DEBUG_LEVEL (ACPI_LV_RESOURCES)
 170 #define ACPI_DB_IO                  ACPI_DEBUG_LEVEL (ACPI_LV_IO)
 171 #define ACPI_DB_INTERRUPTS          ACPI_DEBUG_LEVEL (ACPI_LV_INTERRUPTS)
 172 #define ACPI_DB_USER_REQUESTS       ACPI_DEBUG_LEVEL (ACPI_LV_USER_REQUESTS)
 173 #define ACPI_DB_PACKAGE             ACPI_DEBUG_LEVEL (ACPI_LV_PACKAGE)
 174 #define ACPI_DB_MUTEX               ACPI_DEBUG_LEVEL (ACPI_LV_MUTEX)
 175 #define ACPI_DB_EVENTS              ACPI_DEBUG_LEVEL (ACPI_LV_EVENTS)
 176
 177 #define ACPI_DB_ALL                 ACPI_DEBUG_LEVEL (ACPI_LV_ALL)
 178
 179 /* Defaults for debug_level, debug and normal */
 180
 181 #define ACPI_DEBUG_DEFAULT          (ACPI_LV_INFO | ACPI_LV_REPAIR)
 182 #define ACPI_NORMAL_DEFAULT         (ACPI_LV_INIT | ACPI_LV_DEBUG_OBJECT | ACPI_LV_REPAIR)
 183 #define ACPI_DEBUG_ALL              (ACPI_LV_AML_DISASSEMBLE | ACPI_LV_ALL_EXCEPTIONS | ACPI_LV_ALL)
 184
 185 #if defined (ACPI_DEBUG_OUTPUT) || !defined (ACPI_NO_ERROR_MESSAGES)
 186 /*
 187  * The module name is used primarily for error and debug messages.
 188  * The __FILE__ macro is not very useful for this, because it
 189  * usually includes the entire pathname to the module making the
 190  * debug output difficult to read.
 191  */
 192 #define ACPI_MODULE_NAME(name)          static const char ACPI_UNUSED_VAR _acpi_module_name[] = name;
 193 #else
 194 /*
 195  * For the no-debug and no-error-msg cases, we must at least define
 196  * a null module name.
 197  */
 198 #define ACPI_MODULE_NAME(name)
 199 #define _acpi_module_name ""
 200 #endif
 201
 202 /*
 203  * Ascii error messages can be configured out
 204  */
 205 #ifndef ACPI_NO_ERROR_MESSAGES
 206 #define AE_INFO                         _acpi_module_name, __LINE__
 207
 208 /*
 209  * Error reporting. Callers module and line number are inserted by AE_INFO,
 210  * the plist contains a set of parens to allow variable-length lists.
 211  * These macros are used for both the debug and non-debug versions of the code.
 212  */
 213 #define ACPI_INFO(plist)                acpi_info plist
 214 #define ACPI_WARNING(plist)             acpi_warning plist
 215 #define ACPI_EXCEPTION(plist)           acpi_exception plist
 216 #define ACPI_ERROR(plist)               acpi_error plist
 217 #define ACPI_BIOS_WARNING(plist)        acpi_bios_warning plist
 218 #define ACPI_BIOS_ERROR(plist)          acpi_bios_error plist
 219 #define ACPI_DEBUG_OBJECT(obj,l,i)      acpi_ex_do_debug_object(obj,l,i)
 220
 221 #else
 222
 223 /* No error messages */
 224
 225 #define ACPI_INFO(plist)
 226 #define ACPI_WARNING(plist)
 227 #define ACPI_EXCEPTION(plist)
 228 #define ACPI_ERROR(plist)
 229 #define ACPI_BIOS_WARNING(plist)
 230 #define ACPI_BIOS_ERROR(plist)
 231 #define ACPI_DEBUG_OBJECT(obj,l,i)
 232
 233 #endif                          /* ACPI_NO_ERROR_MESSAGES */
 234
 235 /*
 236  * Debug macros that are conditionally compiled
 237  */
 238 #ifdef ACPI_DEBUG_OUTPUT
 239
 240 /*
 241  * If ACPI_GET_FUNCTION_NAME was not defined in the compiler-dependent header,
 242  * define it now. This is the case where there the compiler does not support
 243  * a __FUNCTION__ macro or equivalent.
 244  */
 245 #ifndef ACPI_GET_FUNCTION_NAME
 246 #define ACPI_GET_FUNCTION_NAME          _acpi_function_name
 247
 248 /*
 249  * The Name parameter should be the procedure name as a quoted string.
 250  * The function name is also used by the function exit macros below.
 251  * Note: (const char) is used to be compatible with the debug interfaces
 252  * and macros such as __FUNCTION__.
 253  */
 254 #define ACPI_FUNCTION_NAME(name)        static const char _acpi_function_name[] = #name;
 255
 256 #else
 257 /* Compiler supports __FUNCTION__ (or equivalent) -- Ignore this macro */
 258
 259 #define ACPI_FUNCTION_NAME(name)
 260 #endif                          /* ACPI_GET_FUNCTION_NAME */
 261
 262 /*
 263  * Common parameters used for debug output functions:
 264  * line number, function name, module(file) name, component ID
 265  */
 266 #define ACPI_DEBUG_PARAMETERS \
 267         __LINE__, ACPI_GET_FUNCTION_NAME, _acpi_module_name, _COMPONENT
 268
 269 /* Check if debug output is currently dynamically enabled */
 270
 271 #define ACPI_IS_DEBUG_ENABLED(level, component) \
 272         ((level & acpi_dbg_level) && (component & acpi_dbg_layer))
 273
 274 /*
 275  * Master debug print macros
 276  * Print message if and only if:
 277  *    1) Debug print for the current component is enabled
 278  *    2) Debug error level or trace level for the print statement is enabled
 279  *
 280  * November 2012: Moved the runtime check for whether to actually emit the
 281  * debug message outside of the print function itself. This improves overall
 282  * performance at a relatively small code cost. Implementation involves the
 283  * use of variadic macros supported by C99.
 284  *
 285  * Note: the ACPI_DO_WHILE0 macro is used to prevent some compilers from
 286  * complaining about these constructs. On other compilers the do...while
 287  * adds some extra code, so this feature is optional.
 288  */
 289 #ifdef ACPI_USE_DO_WHILE_0
 290 #define ACPI_DO_WHILE0(a)               do a while(0)
 291 #else
 292 #define ACPI_DO_WHILE0(a)               a
 293 #endif
 294
 295 /* DEBUG_PRINT functions */
 296
 297 #define ACPI_DEBUG_PRINT(plist)         ACPI_ACTUAL_DEBUG plist
 298 #define ACPI_DEBUG_PRINT_RAW(plist)     ACPI_ACTUAL_DEBUG_RAW plist
 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 /*
 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, 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 optimzation 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_VALUE(value) \
 404         ACPI_TRACE_EXIT (acpi_ut_value_exit, u64, value)
 405
 406 #define return_UINT32(value) \
 407         ACPI_TRACE_EXIT (acpi_ut_value_exit, u32, value)
 408
 409 #define return_UINT8(value) \
 410         ACPI_TRACE_EXIT (acpi_ut_value_exit, u8, value)
 411
 412 /* Conditional execution */
 413
 414 #define ACPI_DEBUG_EXEC(a)              a
 415 #define ACPI_DEBUG_ONLY_MEMBERS(a)      a;
 416 #define _VERBOSE_STRUCTURES
 417
 418 /* Various object display routines for debug */
 419
 420 #define ACPI_DUMP_STACK_ENTRY(a)        acpi_ex_dump_operand((a), 0)
 421 #define ACPI_DUMP_OPERANDS(a, b ,c)     acpi_ex_dump_operands(a, b, c)
 422 #define ACPI_DUMP_ENTRY(a, b)           acpi_ns_dump_entry (a, b)
 423 #define ACPI_DUMP_PATHNAME(a, b, c, d)  acpi_ns_dump_pathname(a, b, c, d)
 424 #define ACPI_DUMP_BUFFER(a, b)          acpi_ut_debug_dump_buffer((u8 *) a, b, DB_BYTE_DISPLAY, _COMPONENT)
 425
 426 #else                           /* ACPI_DEBUG_OUTPUT */
 427 /*
 428  * This is the non-debug case -- make everything go away,
 429  * leaving no executable debug code!
 430  */
 431 #define ACPI_DEBUG_PRINT(pl)
 432 #define ACPI_DEBUG_PRINT_RAW(pl)
 433 #define ACPI_DEBUG_EXEC(a)
 434 #define ACPI_DEBUG_ONLY_MEMBERS(a)
 435 #define ACPI_FUNCTION_NAME(a)
 436 #define ACPI_FUNCTION_TRACE(a)
 437 #define ACPI_FUNCTION_TRACE_PTR(a, b)
 438 #define ACPI_FUNCTION_TRACE_U32(a, b)
 439 #define ACPI_FUNCTION_TRACE_STR(a, b)
 440 #define ACPI_FUNCTION_ENTRY()
 441 #define ACPI_DUMP_STACK_ENTRY(a)
 442 #define ACPI_DUMP_OPERANDS(a, b, c)
 443 #define ACPI_DUMP_ENTRY(a, b)
 444 #define ACPI_DUMP_PATHNAME(a, b, c, d)
 445 #define ACPI_DUMP_BUFFER(a, b)
 446 #define ACPI_IS_DEBUG_ENABLED(level, component) 0
 447
 448 /* Return macros must have a return statement at the minimum */
 449
 450 #define return_VOID                     return
 451 #define return_ACPI_STATUS(s)           return(s)
 452 #define return_PTR(s)                   return(s)
 453 #define return_VALUE(s)                 return(s)
 454 #define return_UINT8(s)                 return(s)
 455 #define return_UINT32(s)                return(s)
 456
 457 #endif                          /* ACPI_DEBUG_OUTPUT */
 458
 459 #endif                          /* __ACOUTPUT_H__ */