 5229e87d59
			
		
	
	
	5229e87d59
	
	
	
		
			
			See Documentation/ABI/testing/sysfs-firmware-acpi Based-on-original-patch-by: Luming Yu <luming.yu@intel.com> Acked-by: Greg Kroah-Hartman <gregkh@suse.de> Signed-off-by: Len Brown <len.brown@intel.com>
		
			
				
	
	
		
			377 lines
		
	
	
	
		
			14 KiB
			
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			377 lines
		
	
	
	
		
			14 KiB
			
		
	
	
	
		
			C
		
	
	
	
	
	
| /******************************************************************************
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|  *
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|  * Name: acglobal.h - Declarations for global variables
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|  *
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|  *****************************************************************************/
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| 
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| /*
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|  * Copyright (C) 2000 - 2007, R. Byron Moore
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|  * All rights reserved.
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|  *
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|  * Redistribution and use in source and binary forms, with or without
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|  * modification, are permitted provided that the following conditions
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|  * are met:
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|  * 1. Redistributions of source code must retain the above copyright
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|  *    notice, this list of conditions, and the following disclaimer,
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|  *    without modification.
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|  * 2. Redistributions in binary form must reproduce at minimum a disclaimer
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|  *    substantially similar to the "NO WARRANTY" disclaimer below
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|  *    ("Disclaimer") and any redistribution must be conditioned upon
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|  *    including a substantially similar Disclaimer requirement for further
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|  *    binary redistribution.
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|  * 3. Neither the names of the above-listed copyright holders nor the names
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|  *    of any contributors may be used to endorse or promote products derived
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|  *    from this software without specific prior written permission.
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|  *
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|  * Alternatively, this software may be distributed under the terms of the
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|  * GNU General Public License ("GPL") version 2 as published by the Free
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|  * Software Foundation.
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|  *
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|  * NO WARRANTY
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|  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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|  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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|  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
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|  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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|  * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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|  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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|  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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|  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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|  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
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|  * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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|  * POSSIBILITY OF SUCH DAMAGES.
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|  */
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| 
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| #ifndef __ACGLOBAL_H__
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| #define __ACGLOBAL_H__
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| 
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| /*
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|  * Ensure that the globals are actually defined and initialized only once.
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|  *
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|  * The use of these macros allows a single list of globals (here) in order
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|  * to simplify maintenance of the code.
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|  */
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| #ifdef DEFINE_ACPI_GLOBALS
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| #define ACPI_EXTERN
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| #define ACPI_INIT_GLOBAL(a,b) a=b
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| #else
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| #define ACPI_EXTERN extern
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| #define ACPI_INIT_GLOBAL(a,b) a
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| #endif
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| 
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| /*****************************************************************************
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|  *
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|  * Runtime configuration (static defaults that can be overriden at runtime)
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|  *
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|  ****************************************************************************/
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| 
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| /*
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|  * Enable "slack" in the AML interpreter?  Default is FALSE, and the
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|  * interpreter strictly follows the ACPI specification.  Setting to TRUE
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|  * allows the interpreter to ignore certain errors and/or bad AML constructs.
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|  *
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|  * Currently, these features are enabled by this flag:
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|  *
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|  * 1) Allow "implicit return" of last value in a control method
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|  * 2) Allow access beyond the end of an operation region
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|  * 3) Allow access to uninitialized locals/args (auto-init to integer 0)
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|  * 4) Allow ANY object type to be a source operand for the Store() operator
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|  * 5) Allow unresolved references (invalid target name) in package objects
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|  * 6) Enable warning messages for behavior that is not ACPI spec compliant
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|  */
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| ACPI_EXTERN u8 ACPI_INIT_GLOBAL(acpi_gbl_enable_interpreter_slack, FALSE);
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| 
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| /*
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|  * Automatically serialize ALL control methods? Default is FALSE, meaning
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|  * to use the Serialized/not_serialized method flags on a per method basis.
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|  * Only change this if the ASL code is poorly written and cannot handle
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|  * reentrancy even though methods are marked "NotSerialized".
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|  */
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| ACPI_EXTERN u8 ACPI_INIT_GLOBAL(acpi_gbl_all_methods_serialized, FALSE);
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| 
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| /*
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|  * Create the predefined _OSI method in the namespace? Default is TRUE
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|  * because ACPI CA is fully compatible with other ACPI implementations.
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|  * Changing this will revert ACPI CA (and machine ASL) to pre-OSI behavior.
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|  */
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| ACPI_EXTERN u8 ACPI_INIT_GLOBAL(acpi_gbl_create_osi_method, TRUE);
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| 
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| /*
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|  * Disable wakeup GPEs during runtime? Default is TRUE because WAKE and
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|  * RUNTIME GPEs should never be shared, and WAKE GPEs should typically only
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|  * be enabled just before going to sleep.
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|  */
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| ACPI_EXTERN u8 ACPI_INIT_GLOBAL(acpi_gbl_leave_wake_gpes_disabled, TRUE);
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| 
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| /*****************************************************************************
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|  *
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|  * Debug support
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|  *
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|  ****************************************************************************/
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| 
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| /* Runtime configuration of debug print levels */
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| 
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| extern u32 acpi_dbg_level;
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| extern u32 acpi_dbg_layer;
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| 
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| /* Procedure nesting level for debug output */
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| 
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| extern u32 acpi_gbl_nesting_level;
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| 
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| /* Support for dynamic control method tracing mechanism */
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| 
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| ACPI_EXTERN u32 acpi_gbl_original_dbg_level;
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| ACPI_EXTERN u32 acpi_gbl_original_dbg_layer;
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| ACPI_EXTERN acpi_name acpi_gbl_trace_method_name;
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| ACPI_EXTERN u32 acpi_gbl_trace_dbg_level;
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| ACPI_EXTERN u32 acpi_gbl_trace_dbg_layer;
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| ACPI_EXTERN u32 acpi_gbl_trace_flags;
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| 
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| /*****************************************************************************
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|  *
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|  * ACPI Table globals
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|  *
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|  ****************************************************************************/
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| 
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| /*
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|  * acpi_gbl_root_table_list is the master list of ACPI tables found in the
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|  * RSDT/XSDT.
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|  *
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|  * acpi_gbl_FADT is a local copy of the FADT, converted to a common format.
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|  */
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| ACPI_EXTERN struct acpi_internal_rsdt acpi_gbl_root_table_list;
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| ACPI_EXTERN struct acpi_table_fadt acpi_gbl_FADT;
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| extern acpi_native_uint acpi_gbl_permanent_mmap;
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| 
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| /* These addresses are calculated from FADT address values */
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| 
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| ACPI_EXTERN struct acpi_generic_address acpi_gbl_xpm1a_enable;
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| ACPI_EXTERN struct acpi_generic_address acpi_gbl_xpm1b_enable;
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| 
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| /*
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|  * Handle both ACPI 1.0 and ACPI 2.0 Integer widths. The integer width is
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|  * determined by the revision of the DSDT: If the DSDT revision is less than
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|  * 2, use only the lower 32 bits of the internal 64-bit Integer.
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|  */
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| ACPI_EXTERN u8 acpi_gbl_integer_bit_width;
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| ACPI_EXTERN u8 acpi_gbl_integer_byte_width;
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| ACPI_EXTERN u8 acpi_gbl_integer_nybble_width;
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| 
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| /*****************************************************************************
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|  *
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|  * Mutual exlusion within ACPICA subsystem
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|  *
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|  ****************************************************************************/
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| 
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| /*
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|  * Predefined mutex objects. This array contains the
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|  * actual OS mutex handles, indexed by the local ACPI_MUTEX_HANDLEs.
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|  * (The table maps local handles to the real OS handles)
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|  */
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| ACPI_EXTERN struct acpi_mutex_info acpi_gbl_mutex_info[ACPI_NUM_MUTEX];
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| 
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| /*
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|  * Global lock semaphore works in conjunction with the actual HW global lock
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|  */
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| ACPI_EXTERN acpi_mutex acpi_gbl_global_lock_mutex;
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| ACPI_EXTERN acpi_semaphore acpi_gbl_global_lock_semaphore;
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| 
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| /*
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|  * Spinlocks are used for interfaces that can be possibly called at
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|  * interrupt level
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|  */
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| ACPI_EXTERN spinlock_t _acpi_gbl_gpe_lock;	/* For GPE data structs and registers */
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| ACPI_EXTERN spinlock_t _acpi_gbl_hardware_lock;	/* For ACPI H/W except GPE registers */
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| #define acpi_gbl_gpe_lock	&_acpi_gbl_gpe_lock
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| #define acpi_gbl_hardware_lock	&_acpi_gbl_hardware_lock
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| 
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| /*****************************************************************************
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|  *
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|  * Miscellaneous globals
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|  *
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|  ****************************************************************************/
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| 
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| #ifdef ACPI_DBG_TRACK_ALLOCATIONS
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| 
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| /* Lists for tracking memory allocations */
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| 
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| ACPI_EXTERN struct acpi_memory_list *acpi_gbl_global_list;
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| ACPI_EXTERN struct acpi_memory_list *acpi_gbl_ns_node_list;
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| ACPI_EXTERN u8 acpi_gbl_display_final_mem_stats;
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| #endif
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| 
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| /* Object caches */
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| 
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| ACPI_EXTERN acpi_cache_t *acpi_gbl_namespace_cache;
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| ACPI_EXTERN acpi_cache_t *acpi_gbl_state_cache;
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| ACPI_EXTERN acpi_cache_t *acpi_gbl_ps_node_cache;
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| ACPI_EXTERN acpi_cache_t *acpi_gbl_ps_node_ext_cache;
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| ACPI_EXTERN acpi_cache_t *acpi_gbl_operand_cache;
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| 
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| /* Global handlers */
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| 
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| ACPI_EXTERN struct acpi_object_notify_handler acpi_gbl_device_notify;
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| ACPI_EXTERN struct acpi_object_notify_handler acpi_gbl_system_notify;
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| ACPI_EXTERN acpi_exception_handler acpi_gbl_exception_handler;
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| ACPI_EXTERN acpi_init_handler acpi_gbl_init_handler;
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| ACPI_EXTERN struct acpi_walk_state *acpi_gbl_breakpoint_walk;
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| 
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| /* Misc */
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| 
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| ACPI_EXTERN u32 acpi_gbl_original_mode;
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| ACPI_EXTERN u32 acpi_gbl_rsdp_original_location;
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| ACPI_EXTERN u32 acpi_gbl_ns_lookup_count;
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| ACPI_EXTERN u32 acpi_gbl_ps_find_count;
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| ACPI_EXTERN u32 acpi_gbl_owner_id_mask[ACPI_NUM_OWNERID_MASKS];
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| ACPI_EXTERN u16 acpi_gbl_pm1_enable_register_save;
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| ACPI_EXTERN u16 acpi_gbl_global_lock_handle;
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| ACPI_EXTERN u8 acpi_gbl_last_owner_id_index;
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| ACPI_EXTERN u8 acpi_gbl_next_owner_id_offset;
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| ACPI_EXTERN u8 acpi_gbl_debugger_configuration;
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| ACPI_EXTERN u8 acpi_gbl_global_lock_acquired;
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| ACPI_EXTERN u8 acpi_gbl_step_to_next_call;
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| ACPI_EXTERN u8 acpi_gbl_acpi_hardware_present;
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| ACPI_EXTERN u8 acpi_gbl_global_lock_present;
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| ACPI_EXTERN u8 acpi_gbl_events_initialized;
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| ACPI_EXTERN u8 acpi_gbl_system_awake_and_running;
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| 
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| extern u8 acpi_gbl_shutdown;
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| extern u32 acpi_gbl_startup_flags;
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| extern const char *acpi_gbl_sleep_state_names[ACPI_S_STATE_COUNT];
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| extern const char *acpi_gbl_highest_dstate_names[4];
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| extern const struct acpi_opcode_info acpi_gbl_aml_op_info[AML_NUM_OPCODES];
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| extern const char *acpi_gbl_region_types[ACPI_NUM_PREDEFINED_REGIONS];
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| 
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| /* Exception codes */
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| 
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| extern char const *acpi_gbl_exception_names_env[];
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| extern char const *acpi_gbl_exception_names_pgm[];
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| extern char const *acpi_gbl_exception_names_tbl[];
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| extern char const *acpi_gbl_exception_names_aml[];
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| extern char const *acpi_gbl_exception_names_ctrl[];
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| 
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| /*****************************************************************************
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|  *
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|  * Namespace globals
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|  *
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|  ****************************************************************************/
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| 
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| #define NUM_NS_TYPES                    ACPI_TYPE_INVALID+1
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| 
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| #if !defined (ACPI_NO_METHOD_EXECUTION) || defined (ACPI_CONSTANT_EVAL_ONLY)
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| #define NUM_PREDEFINED_NAMES            10
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| #else
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| #define NUM_PREDEFINED_NAMES            9
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| #endif
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| 
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| ACPI_EXTERN struct acpi_namespace_node acpi_gbl_root_node_struct;
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| ACPI_EXTERN struct acpi_namespace_node *acpi_gbl_root_node;
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| ACPI_EXTERN struct acpi_namespace_node *acpi_gbl_fadt_gpe_device;
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| 
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| extern const u8 acpi_gbl_ns_properties[NUM_NS_TYPES];
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| extern const struct acpi_predefined_names
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|     acpi_gbl_pre_defined_names[NUM_PREDEFINED_NAMES];
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| 
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| #ifdef ACPI_DEBUG_OUTPUT
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| ACPI_EXTERN u32 acpi_gbl_current_node_count;
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| ACPI_EXTERN u32 acpi_gbl_current_node_size;
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| ACPI_EXTERN u32 acpi_gbl_max_concurrent_node_count;
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| ACPI_EXTERN acpi_size acpi_gbl_entry_stack_pointer;
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| ACPI_EXTERN acpi_size acpi_gbl_lowest_stack_pointer;
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| ACPI_EXTERN u32 acpi_gbl_deepest_nesting;
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| #endif
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| 
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| /*****************************************************************************
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|  *
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|  * Interpreter globals
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|  *
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|  ****************************************************************************/
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| 
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| ACPI_EXTERN struct acpi_thread_state *acpi_gbl_current_walk_list;
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| 
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| /* Control method single step flag */
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| 
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| ACPI_EXTERN u8 acpi_gbl_cm_single_step;
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| 
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| /*****************************************************************************
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|  *
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|  * Hardware globals
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|  *
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|  ****************************************************************************/
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| 
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| extern struct acpi_bit_register_info
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|     acpi_gbl_bit_register_info[ACPI_NUM_BITREG];
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| ACPI_EXTERN u8 acpi_gbl_sleep_type_a;
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| ACPI_EXTERN u8 acpi_gbl_sleep_type_b;
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| 
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| /*****************************************************************************
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|  *
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|  * Event and GPE globals
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|  *
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|  ****************************************************************************/
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| 
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| extern struct acpi_fixed_event_info
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|     acpi_gbl_fixed_event_info[ACPI_NUM_FIXED_EVENTS];
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| ACPI_EXTERN struct acpi_fixed_event_handler
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|     acpi_gbl_fixed_event_handlers[ACPI_NUM_FIXED_EVENTS];
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| ACPI_EXTERN struct acpi_gpe_xrupt_info *acpi_gbl_gpe_xrupt_list_head;
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| ACPI_EXTERN struct acpi_gpe_block_info
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| *acpi_gbl_gpe_fadt_blocks[ACPI_MAX_GPE_BLOCKS];
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| 
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| /*****************************************************************************
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|  *
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|  * Debugger globals
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|  *
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|  ****************************************************************************/
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| 
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| ACPI_EXTERN u8 acpi_gbl_db_output_flags;
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| 
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| #ifdef ACPI_DISASSEMBLER
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| 
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| ACPI_EXTERN u8 acpi_gbl_db_opt_disasm;
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| ACPI_EXTERN u8 acpi_gbl_db_opt_verbose;
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| #endif
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| 
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| #ifdef ACPI_DEBUGGER
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| 
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| extern u8 acpi_gbl_method_executing;
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| extern u8 acpi_gbl_abort_method;
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| extern u8 acpi_gbl_db_terminate_threads;
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| 
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| ACPI_EXTERN int optind;
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| ACPI_EXTERN char *optarg;
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| 
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| ACPI_EXTERN u8 acpi_gbl_db_opt_tables;
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| ACPI_EXTERN u8 acpi_gbl_db_opt_stats;
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| ACPI_EXTERN u8 acpi_gbl_db_opt_ini_methods;
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| 
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| ACPI_EXTERN char *acpi_gbl_db_args[ACPI_DEBUGGER_MAX_ARGS];
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| ACPI_EXTERN char acpi_gbl_db_line_buf[80];
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| ACPI_EXTERN char acpi_gbl_db_parsed_buf[80];
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| ACPI_EXTERN char acpi_gbl_db_scope_buf[40];
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| ACPI_EXTERN char acpi_gbl_db_debug_filename[40];
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| ACPI_EXTERN u8 acpi_gbl_db_output_to_file;
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| ACPI_EXTERN char *acpi_gbl_db_buffer;
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| ACPI_EXTERN char *acpi_gbl_db_filename;
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| ACPI_EXTERN u32 acpi_gbl_db_debug_level;
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| ACPI_EXTERN u32 acpi_gbl_db_console_debug_level;
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| ACPI_EXTERN struct acpi_table_header *acpi_gbl_db_table_ptr;
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| ACPI_EXTERN struct acpi_namespace_node *acpi_gbl_db_scope_node;
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| 
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| /*
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|  * Statistic globals
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|  */
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| ACPI_EXTERN u16 acpi_gbl_obj_type_count[ACPI_TYPE_NS_NODE_MAX + 1];
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| ACPI_EXTERN u16 acpi_gbl_node_type_count[ACPI_TYPE_NS_NODE_MAX + 1];
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| ACPI_EXTERN u16 acpi_gbl_obj_type_count_misc;
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| ACPI_EXTERN u16 acpi_gbl_node_type_count_misc;
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| ACPI_EXTERN u32 acpi_gbl_num_nodes;
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| ACPI_EXTERN u32 acpi_gbl_num_objects;
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| 
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| ACPI_EXTERN u32 acpi_gbl_size_of_parse_tree;
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| ACPI_EXTERN u32 acpi_gbl_size_of_method_trees;
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| ACPI_EXTERN u32 acpi_gbl_size_of_node_entries;
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| ACPI_EXTERN u32 acpi_gbl_size_of_acpi_objects;
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| 
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| #endif				/* ACPI_DEBUGGER */
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| 
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| #endif				/* __ACGLOBAL_H__ */
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