swh:1:snp:49cd9498d6cccc5e78252c27dcb645bcf7bf0c91
Tip revision: 33688abb2802ff3a230bd2441f765477b94cc89e authored by Linus Torvalds on 20 June 2016, 04:30:02 UTC
Linux 4.7-rc4
Linux 4.7-rc4
Tip revision: 33688ab
acoutput.h
/******************************************************************************
*
* Name: acoutput.h -- debug output
*
*****************************************************************************/
/*
* Copyright (C) 2000 - 2016, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions, and the following disclaimer,
* without modification.
* 2. Redistributions in binary form must reproduce at minimum a disclaimer
* substantially similar to the "NO WARRANTY" disclaimer below
* ("Disclaimer") and any redistribution must be conditioned upon
* including a substantially similar Disclaimer requirement for further
* binary redistribution.
* 3. Neither the names of the above-listed copyright holders nor the names
* of any contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* Alternatively, this software may be distributed under the terms of the
* GNU General Public License ("GPL") version 2 as published by the Free
* Software Foundation.
*
* NO WARRANTY
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGES.
*/
#ifndef __ACOUTPUT_H__
#define __ACOUTPUT_H__
/*
* Debug levels and component IDs. These are used to control the
* granularity of the output of the ACPI_DEBUG_PRINT macro -- on a
* per-component basis and a per-exception-type basis.
*/
/* Component IDs are used in the global "DebugLayer" */
#define ACPI_UTILITIES 0x00000001
#define ACPI_HARDWARE 0x00000002
#define ACPI_EVENTS 0x00000004
#define ACPI_TABLES 0x00000008
#define ACPI_NAMESPACE 0x00000010
#define ACPI_PARSER 0x00000020
#define ACPI_DISPATCHER 0x00000040
#define ACPI_EXECUTER 0x00000080
#define ACPI_RESOURCES 0x00000100
#define ACPI_CA_DEBUGGER 0x00000200
#define ACPI_OS_SERVICES 0x00000400
#define ACPI_CA_DISASSEMBLER 0x00000800
/* Component IDs for ACPI tools and utilities */
#define ACPI_COMPILER 0x00001000
#define ACPI_TOOLS 0x00002000
#define ACPI_EXAMPLE 0x00004000
#define ACPI_DRIVER 0x00008000
#define DT_COMPILER 0x00010000
#define ASL_PREPROCESSOR 0x00020000
#define ACPI_ALL_COMPONENTS 0x0001FFFF
#define ACPI_COMPONENT_DEFAULT (ACPI_ALL_COMPONENTS)
/* Component IDs reserved for ACPI drivers */
#define ACPI_ALL_DRIVERS 0xFFFF0000
/*
* Raw debug output levels, do not use these in the ACPI_DEBUG_PRINT macros
*/
#define ACPI_LV_INIT 0x00000001
#define ACPI_LV_DEBUG_OBJECT 0x00000002
#define ACPI_LV_INFO 0x00000004
#define ACPI_LV_REPAIR 0x00000008
#define ACPI_LV_TRACE_POINT 0x00000010
#define ACPI_LV_ALL_EXCEPTIONS 0x0000001F
/* Trace verbosity level 1 [Standard Trace Level] */
#define ACPI_LV_INIT_NAMES 0x00000020
#define ACPI_LV_PARSE 0x00000040
#define ACPI_LV_LOAD 0x00000080
#define ACPI_LV_DISPATCH 0x00000100
#define ACPI_LV_EXEC 0x00000200
#define ACPI_LV_NAMES 0x00000400
#define ACPI_LV_OPREGION 0x00000800
#define ACPI_LV_BFIELD 0x00001000
#define ACPI_LV_TABLES 0x00002000
#define ACPI_LV_VALUES 0x00004000
#define ACPI_LV_OBJECTS 0x00008000
#define ACPI_LV_RESOURCES 0x00010000
#define ACPI_LV_USER_REQUESTS 0x00020000
#define ACPI_LV_PACKAGE 0x00040000
#define ACPI_LV_VERBOSITY1 0x0007FF40 | ACPI_LV_ALL_EXCEPTIONS
/* Trace verbosity level 2 [Function tracing and memory allocation] */
#define ACPI_LV_ALLOCATIONS 0x00100000
#define ACPI_LV_FUNCTIONS 0x00200000
#define ACPI_LV_OPTIMIZATIONS 0x00400000
#define ACPI_LV_VERBOSITY2 0x00700000 | ACPI_LV_VERBOSITY1
#define ACPI_LV_ALL ACPI_LV_VERBOSITY2
/* Trace verbosity level 3 [Threading, I/O, and Interrupts] */
#define ACPI_LV_MUTEX 0x01000000
#define ACPI_LV_THREADS 0x02000000
#define ACPI_LV_IO 0x04000000
#define ACPI_LV_INTERRUPTS 0x08000000
#define ACPI_LV_VERBOSITY3 0x0F000000 | ACPI_LV_VERBOSITY2
/* Exceptionally verbose output -- also used in the global "DebugLevel" */
#define ACPI_LV_AML_DISASSEMBLE 0x10000000
#define ACPI_LV_VERBOSE_INFO 0x20000000
#define ACPI_LV_FULL_TABLES 0x40000000
#define ACPI_LV_EVENTS 0x80000000
#define ACPI_LV_VERBOSE 0xF0000000
/*
* Debug level macros that are used in the DEBUG_PRINT macros
*/
#define ACPI_DEBUG_LEVEL(dl) (u32) dl,ACPI_DEBUG_PARAMETERS
/*
* Exception level -- used in the global "DebugLevel"
*
* Note: For errors, use the ACPI_ERROR or ACPI_EXCEPTION interfaces.
* For warnings, use ACPI_WARNING.
*/
#define ACPI_DB_INIT ACPI_DEBUG_LEVEL (ACPI_LV_INIT)
#define ACPI_DB_DEBUG_OBJECT ACPI_DEBUG_LEVEL (ACPI_LV_DEBUG_OBJECT)
#define ACPI_DB_INFO ACPI_DEBUG_LEVEL (ACPI_LV_INFO)
#define ACPI_DB_REPAIR ACPI_DEBUG_LEVEL (ACPI_LV_REPAIR)
#define ACPI_DB_TRACE_POINT ACPI_DEBUG_LEVEL (ACPI_LV_TRACE_POINT)
#define ACPI_DB_ALL_EXCEPTIONS ACPI_DEBUG_LEVEL (ACPI_LV_ALL_EXCEPTIONS)
/* Trace level -- also used in the global "DebugLevel" */
#define ACPI_DB_INIT_NAMES ACPI_DEBUG_LEVEL (ACPI_LV_INIT_NAMES)
#define ACPI_DB_THREADS ACPI_DEBUG_LEVEL (ACPI_LV_THREADS)
#define ACPI_DB_PARSE ACPI_DEBUG_LEVEL (ACPI_LV_PARSE)
#define ACPI_DB_DISPATCH ACPI_DEBUG_LEVEL (ACPI_LV_DISPATCH)
#define ACPI_DB_LOAD ACPI_DEBUG_LEVEL (ACPI_LV_LOAD)
#define ACPI_DB_EXEC ACPI_DEBUG_LEVEL (ACPI_LV_EXEC)
#define ACPI_DB_NAMES ACPI_DEBUG_LEVEL (ACPI_LV_NAMES)
#define ACPI_DB_OPREGION ACPI_DEBUG_LEVEL (ACPI_LV_OPREGION)
#define ACPI_DB_BFIELD ACPI_DEBUG_LEVEL (ACPI_LV_BFIELD)
#define ACPI_DB_TABLES ACPI_DEBUG_LEVEL (ACPI_LV_TABLES)
#define ACPI_DB_FUNCTIONS ACPI_DEBUG_LEVEL (ACPI_LV_FUNCTIONS)
#define ACPI_DB_OPTIMIZATIONS ACPI_DEBUG_LEVEL (ACPI_LV_OPTIMIZATIONS)
#define ACPI_DB_VALUES ACPI_DEBUG_LEVEL (ACPI_LV_VALUES)
#define ACPI_DB_OBJECTS ACPI_DEBUG_LEVEL (ACPI_LV_OBJECTS)
#define ACPI_DB_ALLOCATIONS ACPI_DEBUG_LEVEL (ACPI_LV_ALLOCATIONS)
#define ACPI_DB_RESOURCES ACPI_DEBUG_LEVEL (ACPI_LV_RESOURCES)
#define ACPI_DB_IO ACPI_DEBUG_LEVEL (ACPI_LV_IO)
#define ACPI_DB_INTERRUPTS ACPI_DEBUG_LEVEL (ACPI_LV_INTERRUPTS)
#define ACPI_DB_USER_REQUESTS ACPI_DEBUG_LEVEL (ACPI_LV_USER_REQUESTS)
#define ACPI_DB_PACKAGE ACPI_DEBUG_LEVEL (ACPI_LV_PACKAGE)
#define ACPI_DB_MUTEX ACPI_DEBUG_LEVEL (ACPI_LV_MUTEX)
#define ACPI_DB_EVENTS ACPI_DEBUG_LEVEL (ACPI_LV_EVENTS)
#define ACPI_DB_ALL ACPI_DEBUG_LEVEL (ACPI_LV_ALL)
/* Defaults for debug_level, debug and normal */
#define ACPI_DEBUG_DEFAULT (ACPI_LV_INFO | ACPI_LV_REPAIR)
#define ACPI_NORMAL_DEFAULT (ACPI_LV_INIT | ACPI_LV_DEBUG_OBJECT | ACPI_LV_REPAIR)
#define ACPI_DEBUG_ALL (ACPI_LV_AML_DISASSEMBLE | ACPI_LV_ALL_EXCEPTIONS | ACPI_LV_ALL)
/*
* Global trace flags
*/
#define ACPI_TRACE_ENABLED ((u32) 4)
#define ACPI_TRACE_ONESHOT ((u32) 2)
#define ACPI_TRACE_OPCODE ((u32) 1)
/* Defaults for trace debugging level/layer */
#define ACPI_TRACE_LEVEL_ALL ACPI_LV_ALL
#define ACPI_TRACE_LAYER_ALL 0x000001FF
#define ACPI_TRACE_LEVEL_DEFAULT ACPI_LV_TRACE_POINT
#define ACPI_TRACE_LAYER_DEFAULT ACPI_EXECUTER
#if defined (ACPI_DEBUG_OUTPUT) || !defined (ACPI_NO_ERROR_MESSAGES)
/*
* The module name is used primarily for error and debug messages.
* The __FILE__ macro is not very useful for this, because it
* usually includes the entire pathname to the module making the
* debug output difficult to read.
*/
#define ACPI_MODULE_NAME(name) static const char ACPI_UNUSED_VAR _acpi_module_name[] = name;
#else
/*
* For the no-debug and no-error-msg cases, we must at least define
* a null module name.
*/
#define ACPI_MODULE_NAME(name)
#define _acpi_module_name ""
#endif
/*
* Ascii error messages can be configured out
*/
#ifndef ACPI_NO_ERROR_MESSAGES
#define AE_INFO _acpi_module_name, __LINE__
/*
* Error reporting. Callers module and line number are inserted by AE_INFO,
* the plist contains a set of parens to allow variable-length lists.
* These macros are used for both the debug and non-debug versions of the code.
*/
#define ACPI_INFO(plist) acpi_info plist
#define ACPI_WARNING(plist) acpi_warning plist
#define ACPI_EXCEPTION(plist) acpi_exception plist
#define ACPI_ERROR(plist) acpi_error plist
#define ACPI_BIOS_WARNING(plist) acpi_bios_warning plist
#define ACPI_BIOS_ERROR(plist) acpi_bios_error plist
#define ACPI_DEBUG_OBJECT(obj,l,i) acpi_ex_do_debug_object(obj,l,i)
#else
/* No error messages */
#define ACPI_INFO(plist)
#define ACPI_WARNING(plist)
#define ACPI_EXCEPTION(plist)
#define ACPI_ERROR(plist)
#define ACPI_BIOS_WARNING(plist)
#define ACPI_BIOS_ERROR(plist)
#define ACPI_DEBUG_OBJECT(obj,l,i)
#endif /* ACPI_NO_ERROR_MESSAGES */
/*
* Debug macros that are conditionally compiled
*/
#ifdef ACPI_DEBUG_OUTPUT
/*
* If ACPI_GET_FUNCTION_NAME was not defined in the compiler-dependent header,
* define it now. This is the case where there the compiler does not support
* a __func__ macro or equivalent.
*/
#ifndef ACPI_GET_FUNCTION_NAME
#define ACPI_GET_FUNCTION_NAME _acpi_function_name
/*
* The Name parameter should be the procedure name as a non-quoted string.
* The function name is also used by the function exit macros below.
* Note: (const char) is used to be compatible with the debug interfaces
* and macros such as __func__.
*/
#define ACPI_FUNCTION_NAME(name) static const char _acpi_function_name[] = #name;
#else
/* Compiler supports __func__ (or equivalent) -- Ignore this macro */
#define ACPI_FUNCTION_NAME(name)
#endif /* ACPI_GET_FUNCTION_NAME */
/*
* Common parameters used for debug output functions:
* line number, function name, module(file) name, component ID
*/
#define ACPI_DEBUG_PARAMETERS \
__LINE__, ACPI_GET_FUNCTION_NAME, _acpi_module_name, _COMPONENT
/* Check if debug output is currently dynamically enabled */
#define ACPI_IS_DEBUG_ENABLED(level, component) \
((level & acpi_dbg_level) && (component & acpi_dbg_layer))
/*
* Master debug print macros
* Print message if and only if:
* 1) Debug print for the current component is enabled
* 2) Debug error level or trace level for the print statement is enabled
*
* November 2012: Moved the runtime check for whether to actually emit the
* debug message outside of the print function itself. This improves overall
* performance at a relatively small code cost. Implementation involves the
* use of variadic macros supported by C99.
*
* Note: the ACPI_DO_WHILE0 macro is used to prevent some compilers from
* complaining about these constructs. On other compilers the do...while
* adds some extra code, so this feature is optional.
*/
#ifdef ACPI_USE_DO_WHILE_0
#define ACPI_DO_WHILE0(a) do a while(0)
#else
#define ACPI_DO_WHILE0(a) a
#endif
/* DEBUG_PRINT functions */
#ifndef COMPILER_VA_MACRO
#define ACPI_DEBUG_PRINT(plist) acpi_debug_print plist
#define ACPI_DEBUG_PRINT_RAW(plist) acpi_debug_print_raw plist
#else
/* Helper macros for DEBUG_PRINT */
#define ACPI_DO_DEBUG_PRINT(function, level, line, filename, modulename, component, ...) \
ACPI_DO_WHILE0 ({ \
if (ACPI_IS_DEBUG_ENABLED (level, component)) \
{ \
function (level, line, filename, modulename, component, __VA_ARGS__); \
} \
})
#define ACPI_ACTUAL_DEBUG(level, line, filename, modulename, component, ...) \
ACPI_DO_DEBUG_PRINT (acpi_debug_print, level, line, \
filename, modulename, component, __VA_ARGS__)
#define ACPI_ACTUAL_DEBUG_RAW(level, line, filename, modulename, component, ...) \
ACPI_DO_DEBUG_PRINT (acpi_debug_print_raw, level, line, \
filename, modulename, component, __VA_ARGS__)
#define ACPI_DEBUG_PRINT(plist) ACPI_ACTUAL_DEBUG plist
#define ACPI_DEBUG_PRINT_RAW(plist) ACPI_ACTUAL_DEBUG_RAW plist
#endif
/*
* Function entry tracing
*
* The name of the function is emitted as a local variable that is
* intended to be used by both the entry trace and the exit trace.
*/
/* Helper macro */
#define ACPI_TRACE_ENTRY(name, function, type, param) \
ACPI_FUNCTION_NAME (name) \
function (ACPI_DEBUG_PARAMETERS, (type) (param))
/* The actual entry trace macros */
#define ACPI_FUNCTION_TRACE(name) \
ACPI_FUNCTION_NAME(name) \
acpi_ut_trace (ACPI_DEBUG_PARAMETERS)
#define ACPI_FUNCTION_TRACE_PTR(name, pointer) \
ACPI_TRACE_ENTRY (name, acpi_ut_trace_ptr, void *, pointer)
#define ACPI_FUNCTION_TRACE_U32(name, value) \
ACPI_TRACE_ENTRY (name, acpi_ut_trace_u32, u32, value)
#define ACPI_FUNCTION_TRACE_STR(name, string) \
ACPI_TRACE_ENTRY (name, acpi_ut_trace_str, char *, string)
#define ACPI_FUNCTION_ENTRY() \
acpi_ut_track_stack_ptr()
/*
* Function exit tracing
*
* These macros include a return statement. This is usually considered
* bad form, but having a separate exit macro before the actual return
* is very ugly and difficult to maintain.
*
* One of the FUNCTION_TRACE macros above must be used in conjunction
* with these macros so that "_AcpiFunctionName" is defined.
*
* There are two versions of most of the return macros. The default version is
* safer, since it avoids side-effects by guaranteeing that the argument will
* not be evaluated twice.
*
* A less-safe version of the macros is provided for optional use if the
* compiler uses excessive CPU stack (for example, this may happen in the
* debug case if code optimzation is disabled.)
*/
/* Exit trace helper macro */
#ifndef ACPI_SIMPLE_RETURN_MACROS
#define ACPI_TRACE_EXIT(function, type, param) \
ACPI_DO_WHILE0 ({ \
register type _param = (type) (param); \
function (ACPI_DEBUG_PARAMETERS, _param); \
return (_param); \
})
#else /* Use original less-safe macros */
#define ACPI_TRACE_EXIT(function, type, param) \
ACPI_DO_WHILE0 ({ \
function (ACPI_DEBUG_PARAMETERS, (type) (param)); \
return (param); \
})
#endif /* ACPI_SIMPLE_RETURN_MACROS */
/* The actual exit macros */
#define return_VOID \
ACPI_DO_WHILE0 ({ \
acpi_ut_exit (ACPI_DEBUG_PARAMETERS); \
return; \
})
#define return_ACPI_STATUS(status) \
ACPI_TRACE_EXIT (acpi_ut_status_exit, acpi_status, status)
#define return_PTR(pointer) \
ACPI_TRACE_EXIT (acpi_ut_ptr_exit, void *, pointer)
#define return_VALUE(value) \
ACPI_TRACE_EXIT (acpi_ut_value_exit, u64, value)
#define return_UINT32(value) \
ACPI_TRACE_EXIT (acpi_ut_value_exit, u32, value)
#define return_UINT8(value) \
ACPI_TRACE_EXIT (acpi_ut_value_exit, u8, value)
/* Conditional execution */
#define ACPI_DEBUG_EXEC(a) a
#define ACPI_DEBUG_ONLY_MEMBERS(a) a;
#define _VERBOSE_STRUCTURES
/* Various object display routines for debug */
#define ACPI_DUMP_STACK_ENTRY(a) acpi_ex_dump_operand((a), 0)
#define ACPI_DUMP_OPERANDS(a, b ,c) acpi_ex_dump_operands(a, b, c)
#define ACPI_DUMP_ENTRY(a, b) acpi_ns_dump_entry (a, b)
#define ACPI_DUMP_PATHNAME(a, b, c, d) acpi_ns_dump_pathname(a, b, c, d)
#define ACPI_DUMP_BUFFER(a, b) acpi_ut_debug_dump_buffer((u8 *) a, b, DB_BYTE_DISPLAY, _COMPONENT)
#define ACPI_TRACE_POINT(a, b, c, d) acpi_trace_point (a, b, c, d)
#else /* ACPI_DEBUG_OUTPUT */
/*
* This is the non-debug case -- make everything go away,
* leaving no executable debug code!
*/
#define ACPI_DEBUG_PRINT(pl)
#define ACPI_DEBUG_PRINT_RAW(pl)
#define ACPI_DEBUG_EXEC(a)
#define ACPI_DEBUG_ONLY_MEMBERS(a)
#define ACPI_FUNCTION_NAME(a)
#define ACPI_FUNCTION_TRACE(a)
#define ACPI_FUNCTION_TRACE_PTR(a, b)
#define ACPI_FUNCTION_TRACE_U32(a, b)
#define ACPI_FUNCTION_TRACE_STR(a, b)
#define ACPI_FUNCTION_ENTRY()
#define ACPI_DUMP_STACK_ENTRY(a)
#define ACPI_DUMP_OPERANDS(a, b, c)
#define ACPI_DUMP_ENTRY(a, b)
#define ACPI_DUMP_PATHNAME(a, b, c, d)
#define ACPI_DUMP_BUFFER(a, b)
#define ACPI_IS_DEBUG_ENABLED(level, component) 0
#define ACPI_TRACE_POINT(a, b, c, d)
/* Return macros must have a return statement at the minimum */
#define return_VOID return
#define return_ACPI_STATUS(s) return(s)
#define return_PTR(s) return(s)
#define return_VALUE(s) return(s)
#define return_UINT8(s) return(s)
#define return_UINT32(s) return(s)
#endif /* ACPI_DEBUG_OUTPUT */
#endif /* __ACOUTPUT_H__ */