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OpenCloudOS-Kernel/drivers/acpi/acpica/acglobal.h

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/******************************************************************************
*
* Name: acglobal.h - Declarations for global variables
*
*****************************************************************************/
/*
* Copyright (C) 2000 - 2013, 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 __ACGLOBAL_H__
#define __ACGLOBAL_H__
/*
* Ensure that the globals are actually defined and initialized only once.
*
* The use of these macros allows a single list of globals (here) in order
* to simplify maintenance of the code.
*/
#ifdef DEFINE_ACPI_GLOBALS
#define ACPI_EXTERN
#define ACPI_INIT_GLOBAL(a,b) a=b
#else
#define ACPI_EXTERN extern
#define ACPI_INIT_GLOBAL(a,b) a
#endif
#ifdef DEFINE_ACPI_GLOBALS
/* Public globals, available from outside ACPICA subsystem */
/*****************************************************************************
*
* Runtime configuration (static defaults that can be overriden at runtime)
*
****************************************************************************/
/*
* Enable "slack" in the AML interpreter? Default is FALSE, and the
* interpreter strictly follows the ACPI specification. Setting to TRUE
* allows the interpreter to ignore certain errors and/or bad AML constructs.
*
* Currently, these features are enabled by this flag:
*
* 1) Allow "implicit return" of last value in a control method
* 2) Allow access beyond the end of an operation region
* 3) Allow access to uninitialized locals/args (auto-init to integer 0)
* 4) Allow ANY object type to be a source operand for the Store() operator
* 5) Allow unresolved references (invalid target name) in package objects
* 6) Enable warning messages for behavior that is not ACPI spec compliant
*/
u8 ACPI_INIT_GLOBAL(acpi_gbl_enable_interpreter_slack, FALSE);
/*
* Automatically serialize ALL control methods? Default is FALSE, meaning
* to use the Serialized/not_serialized method flags on a per method basis.
* Only change this if the ASL code is poorly written and cannot handle
* reentrancy even though methods are marked "NotSerialized".
*/
u8 ACPI_INIT_GLOBAL(acpi_gbl_all_methods_serialized, FALSE);
/*
* Create the predefined _OSI method in the namespace? Default is TRUE
* because ACPI CA is fully compatible with other ACPI implementations.
* Changing this will revert ACPI CA (and machine ASL) to pre-OSI behavior.
*/
u8 ACPI_INIT_GLOBAL(acpi_gbl_create_osi_method, TRUE);
/*
* Optionally use default values for the ACPI register widths. Set this to
* TRUE to use the defaults, if an FADT contains incorrect widths/lengths.
*/
u8 ACPI_INIT_GLOBAL(acpi_gbl_use_default_register_widths, TRUE);
/*
* Optionally enable output from the AML Debug Object.
*/
bool ACPI_INIT_GLOBAL(acpi_gbl_enable_aml_debug_object, FALSE);
/*
* Optionally copy the entire DSDT to local memory (instead of simply
* mapping it.) There are some BIOSs that corrupt or replace the original
* DSDT, creating the need for this option. Default is FALSE, do not copy
* the DSDT.
*/
u8 ACPI_INIT_GLOBAL(acpi_gbl_copy_dsdt_locally, FALSE);
/*
* Optionally truncate I/O addresses to 16 bits. Provides compatibility
* with other ACPI implementations. NOTE: During ACPICA initialization,
* this value is set to TRUE if any Windows OSI strings have been
* requested by the BIOS.
*/
u8 ACPI_INIT_GLOBAL(acpi_gbl_truncate_io_addresses, FALSE);
/*
* Disable runtime checking and repair of values returned by control methods.
* Use only if the repair is causing a problem on a particular machine.
*/
u8 ACPI_INIT_GLOBAL(acpi_gbl_disable_auto_repair, FALSE);
/*
* Optionally do not load any SSDTs from the RSDT/XSDT during initialization.
* This can be useful for debugging ACPI problems on some machines.
*/
u8 ACPI_INIT_GLOBAL(acpi_gbl_disable_ssdt_table_load, FALSE);
/*
* We keep track of the latest version of Windows that has been requested by
* the BIOS.
*/
u8 ACPI_INIT_GLOBAL(acpi_gbl_osi_data, 0);
/* acpi_gbl_FADT is a local copy of the FADT, converted to a common format. */
struct acpi_table_fadt acpi_gbl_FADT;
u32 acpi_current_gpe_count;
u32 acpi_gbl_trace_flags;
acpi_name acpi_gbl_trace_method_name;
u8 acpi_gbl_system_awake_and_running;
/*
* ACPI 5.0 introduces the concept of a "reduced hardware platform", meaning
* that the ACPI hardware is no longer required. A flag in the FADT indicates
* a reduced HW machine, and that flag is duplicated here for convenience.
*/
u8 acpi_gbl_reduced_hardware;
#endif /* DEFINE_ACPI_GLOBALS */
/* Do not disassemble buffers to resource descriptors */
ACPI_EXTERN u8 ACPI_INIT_GLOBAL(acpi_gbl_no_resource_disassembly, FALSE);
/*****************************************************************************
*
* ACPI Table globals
*
****************************************************************************/
/*
* acpi_gbl_root_table_list is the master list of ACPI tables that were
* found in the RSDT/XSDT.
*/
ACPI_EXTERN struct acpi_table_list acpi_gbl_root_table_list;
#if (!ACPI_REDUCED_HARDWARE)
ACPI_EXTERN struct acpi_table_facs *acpi_gbl_FACS;
#endif /* !ACPI_REDUCED_HARDWARE */
/* These addresses are calculated from the FADT Event Block addresses */
ACPI_EXTERN struct acpi_generic_address acpi_gbl_xpm1a_status;
ACPI_EXTERN struct acpi_generic_address acpi_gbl_xpm1a_enable;
ACPI_EXTERN struct acpi_generic_address acpi_gbl_xpm1b_status;
ACPI_EXTERN struct acpi_generic_address acpi_gbl_xpm1b_enable;
/* DSDT information. Used to check for DSDT corruption */
ACPI_EXTERN struct acpi_table_header *acpi_gbl_DSDT;
ACPI_EXTERN struct acpi_table_header acpi_gbl_original_dsdt_header;
/*
* Handle both ACPI 1.0 and ACPI 2.0 Integer widths. The integer width is
* determined by the revision of the DSDT: If the DSDT revision is less than
* 2, use only the lower 32 bits of the internal 64-bit Integer.
*/
ACPI_EXTERN u8 acpi_gbl_integer_bit_width;
ACPI_EXTERN u8 acpi_gbl_integer_byte_width;
ACPI_EXTERN u8 acpi_gbl_integer_nybble_width;
/*****************************************************************************
*
* Mutual exclusion within ACPICA subsystem
*
****************************************************************************/
/*
* Predefined mutex objects. This array contains the
* actual OS mutex handles, indexed by the local ACPI_MUTEX_HANDLEs.
* (The table maps local handles to the real OS handles)
*/
ACPI_EXTERN struct acpi_mutex_info acpi_gbl_mutex_info[ACPI_NUM_MUTEX];
/*
* Global lock mutex is an actual AML mutex object
* Global lock semaphore works in conjunction with the actual global lock
* Global lock spinlock is used for "pending" handshake
*/
ACPI_EXTERN union acpi_operand_object *acpi_gbl_global_lock_mutex;
ACPI_EXTERN acpi_semaphore acpi_gbl_global_lock_semaphore;
ACPI_EXTERN acpi_spinlock acpi_gbl_global_lock_pending_lock;
ACPI_EXTERN u16 acpi_gbl_global_lock_handle;
ACPI_EXTERN u8 acpi_gbl_global_lock_acquired;
ACPI_EXTERN u8 acpi_gbl_global_lock_present;
ACPI_EXTERN u8 acpi_gbl_global_lock_pending;
/*
* Spinlocks are used for interfaces that can be possibly called at
* interrupt level
*/
ACPI_EXTERN acpi_spinlock acpi_gbl_gpe_lock; /* For GPE data structs and registers */
ACPI_EXTERN acpi_spinlock acpi_gbl_hardware_lock; /* For ACPI H/W except GPE registers */
ACPI_EXTERN acpi_spinlock acpi_gbl_reference_count_lock;
/* Mutex for _OSI support */
ACPI_EXTERN acpi_mutex acpi_gbl_osi_mutex;
/* Reader/Writer lock is used for namespace walk and dynamic table unload */
ACPI_EXTERN struct acpi_rw_lock acpi_gbl_namespace_rw_lock;
/*****************************************************************************
*
* Miscellaneous globals
*
****************************************************************************/
/* Object caches */
ACPI_EXTERN acpi_cache_t *acpi_gbl_namespace_cache;
ACPI_EXTERN acpi_cache_t *acpi_gbl_state_cache;
ACPI_EXTERN acpi_cache_t *acpi_gbl_ps_node_cache;
ACPI_EXTERN acpi_cache_t *acpi_gbl_ps_node_ext_cache;
ACPI_EXTERN acpi_cache_t *acpi_gbl_operand_cache;
/* Global handlers */
ACPI_EXTERN struct acpi_global_notify_handler acpi_gbl_global_notify[2];
ACPI_EXTERN acpi_exception_handler acpi_gbl_exception_handler;
ACPI_EXTERN acpi_init_handler acpi_gbl_init_handler;
ACPI_EXTERN acpi_table_handler acpi_gbl_table_handler;
ACPI_EXTERN void *acpi_gbl_table_handler_context;
ACPI_EXTERN struct acpi_walk_state *acpi_gbl_breakpoint_walk;
ACPI_EXTERN acpi_interface_handler acpi_gbl_interface_handler;
/* Owner ID support */
ACPI_EXTERN u32 acpi_gbl_owner_id_mask[ACPI_NUM_OWNERID_MASKS];
ACPI_EXTERN u8 acpi_gbl_last_owner_id_index;
ACPI_EXTERN u8 acpi_gbl_next_owner_id_offset;
/* Initialization sequencing */
ACPI_EXTERN u8 acpi_gbl_reg_methods_executed;
/* Misc */
ACPI_EXTERN u32 acpi_gbl_original_mode;
ACPI_EXTERN u32 acpi_gbl_rsdp_original_location;
ACPI_EXTERN u32 acpi_gbl_ns_lookup_count;
ACPI_EXTERN u32 acpi_gbl_ps_find_count;
ACPI_EXTERN u16 acpi_gbl_pm1_enable_register_save;
ACPI_EXTERN u8 acpi_gbl_debugger_configuration;
ACPI_EXTERN u8 acpi_gbl_step_to_next_call;
ACPI_EXTERN u8 acpi_gbl_acpi_hardware_present;
ACPI_EXTERN u8 acpi_gbl_events_initialized;
ACPI_EXTERN struct acpi_interface_info *acpi_gbl_supported_interfaces;
ACPI_EXTERN struct acpi_address_range
*acpi_gbl_address_range_list[ACPI_ADDRESS_RANGE_MAX];
#ifndef DEFINE_ACPI_GLOBALS
/* Other miscellaneous */
extern u8 acpi_gbl_shutdown;
extern u32 acpi_gbl_startup_flags;
extern const char *acpi_gbl_sleep_state_names[ACPI_S_STATE_COUNT];
extern const char *acpi_gbl_lowest_dstate_names[ACPI_NUM_sx_w_METHODS];
extern const char *acpi_gbl_highest_dstate_names[ACPI_NUM_sx_d_METHODS];
extern const struct acpi_opcode_info acpi_gbl_aml_op_info[AML_NUM_OPCODES];
extern const char *acpi_gbl_region_types[ACPI_NUM_PREDEFINED_REGIONS];
#endif
#ifdef ACPI_DBG_TRACK_ALLOCATIONS
/* Lists for tracking memory allocations */
ACPI_EXTERN struct acpi_memory_list *acpi_gbl_global_list;
ACPI_EXTERN struct acpi_memory_list *acpi_gbl_ns_node_list;
ACPI_EXTERN u8 acpi_gbl_display_final_mem_stats;
ACPI_EXTERN u8 acpi_gbl_disable_mem_tracking;
#endif
/*****************************************************************************
*
* Namespace globals
*
****************************************************************************/
#if !defined (ACPI_NO_METHOD_EXECUTION) || defined (ACPI_CONSTANT_EVAL_ONLY)
#define NUM_PREDEFINED_NAMES 10
#else
#define NUM_PREDEFINED_NAMES 9
#endif
ACPI_EXTERN struct acpi_namespace_node acpi_gbl_root_node_struct;
ACPI_EXTERN struct acpi_namespace_node *acpi_gbl_root_node;
ACPI_EXTERN struct acpi_namespace_node *acpi_gbl_fadt_gpe_device;
ACPI_EXTERN union acpi_operand_object *acpi_gbl_module_code_list;
extern const u8 acpi_gbl_ns_properties[ACPI_NUM_NS_TYPES];
extern const struct acpi_predefined_names
acpi_gbl_pre_defined_names[NUM_PREDEFINED_NAMES];
#ifdef ACPI_DEBUG_OUTPUT
ACPI_EXTERN u32 acpi_gbl_current_node_count;
ACPI_EXTERN u32 acpi_gbl_current_node_size;
ACPI_EXTERN u32 acpi_gbl_max_concurrent_node_count;
ACPI_EXTERN acpi_size *acpi_gbl_entry_stack_pointer;
ACPI_EXTERN acpi_size *acpi_gbl_lowest_stack_pointer;
ACPI_EXTERN u32 acpi_gbl_deepest_nesting;
#endif
/*****************************************************************************
*
* Interpreter globals
*
****************************************************************************/
ACPI_EXTERN struct acpi_thread_state *acpi_gbl_current_walk_list;
/* Control method single step flag */
ACPI_EXTERN u8 acpi_gbl_cm_single_step;
/*****************************************************************************
*
* Hardware globals
*
****************************************************************************/
extern struct acpi_bit_register_info
acpi_gbl_bit_register_info[ACPI_NUM_BITREG];
ACPI_EXTERN u8 acpi_gbl_sleep_type_a;
ACPI_EXTERN u8 acpi_gbl_sleep_type_b;
/*****************************************************************************
*
* Event and GPE globals
*
****************************************************************************/
#if (!ACPI_REDUCED_HARDWARE)
ACPI_EXTERN u8 acpi_gbl_all_gpes_initialized;
ACPI_EXTERN struct acpi_gpe_xrupt_info *acpi_gbl_gpe_xrupt_list_head;
ACPI_EXTERN struct acpi_gpe_block_info
*acpi_gbl_gpe_fadt_blocks[ACPI_MAX_GPE_BLOCKS];
ACPI_EXTERN acpi_gbl_event_handler acpi_gbl_global_event_handler;
ACPI_EXTERN void *acpi_gbl_global_event_handler_context;
ACPI_EXTERN struct acpi_fixed_event_handler
acpi_gbl_fixed_event_handlers[ACPI_NUM_FIXED_EVENTS];
extern struct acpi_fixed_event_info
acpi_gbl_fixed_event_info[ACPI_NUM_FIXED_EVENTS];
#endif /* !ACPI_REDUCED_HARDWARE */
/*****************************************************************************
*
* Debug support
*
****************************************************************************/
/* Procedure nesting level for debug output */
extern u32 acpi_gbl_nesting_level;
/* Event counters */
ACPI_EXTERN u32 acpi_gpe_count;
ACPI_EXTERN u32 acpi_fixed_event_count[ACPI_NUM_FIXED_EVENTS];
/* Support for dynamic control method tracing mechanism */
ACPI_EXTERN u32 acpi_gbl_original_dbg_level;
ACPI_EXTERN u32 acpi_gbl_original_dbg_layer;
ACPI_EXTERN u32 acpi_gbl_trace_dbg_level;
ACPI_EXTERN u32 acpi_gbl_trace_dbg_layer;
/*****************************************************************************
*
* Debugger and Disassembler globals
*
****************************************************************************/
ACPI_EXTERN u8 acpi_gbl_db_output_flags;
#ifdef ACPI_DISASSEMBLER
ACPI_EXTERN u8 ACPI_INIT_GLOBAL(acpi_gbl_ignore_noop_operator, FALSE);
ACPI_EXTERN u8 acpi_gbl_db_opt_disasm;
ACPI_EXTERN u8 acpi_gbl_db_opt_verbose;
ACPI_EXTERN u8 acpi_gbl_num_external_methods;
ACPI_EXTERN u32 acpi_gbl_resolved_external_methods;
ACPI_EXTERN struct acpi_external_list *acpi_gbl_external_list;
ACPI_EXTERN struct acpi_external_file *acpi_gbl_external_file_list;
#endif
#ifdef ACPI_DEBUGGER
extern u8 acpi_gbl_method_executing;
extern u8 acpi_gbl_abort_method;
extern u8 acpi_gbl_db_terminate_threads;
ACPI_EXTERN u8 acpi_gbl_db_opt_tables;
ACPI_EXTERN u8 acpi_gbl_db_opt_stats;
ACPI_EXTERN u8 acpi_gbl_db_opt_ini_methods;
ACPI_EXTERN u8 acpi_gbl_db_opt_no_region_support;
ACPI_EXTERN char *acpi_gbl_db_args[ACPI_DEBUGGER_MAX_ARGS];
ACPI_EXTERN acpi_object_type acpi_gbl_db_arg_types[ACPI_DEBUGGER_MAX_ARGS];
ACPI_EXTERN char acpi_gbl_db_line_buf[ACPI_DB_LINE_BUFFER_SIZE];
ACPI_EXTERN char acpi_gbl_db_parsed_buf[ACPI_DB_LINE_BUFFER_SIZE];
ACPI_EXTERN char acpi_gbl_db_scope_buf[80];
ACPI_EXTERN char acpi_gbl_db_debug_filename[80];
ACPI_EXTERN u8 acpi_gbl_db_output_to_file;
ACPI_EXTERN char *acpi_gbl_db_buffer;
ACPI_EXTERN char *acpi_gbl_db_filename;
ACPI_EXTERN u32 acpi_gbl_db_debug_level;
ACPI_EXTERN u32 acpi_gbl_db_console_debug_level;
ACPI_EXTERN struct acpi_namespace_node *acpi_gbl_db_scope_node;
/*
* Statistic globals
*/
ACPI_EXTERN u16 acpi_gbl_obj_type_count[ACPI_TYPE_NS_NODE_MAX + 1];
ACPI_EXTERN u16 acpi_gbl_node_type_count[ACPI_TYPE_NS_NODE_MAX + 1];
ACPI_EXTERN u16 acpi_gbl_obj_type_count_misc;
ACPI_EXTERN u16 acpi_gbl_node_type_count_misc;
ACPI_EXTERN u32 acpi_gbl_num_nodes;
ACPI_EXTERN u32 acpi_gbl_num_objects;
ACPI_EXTERN u32 acpi_gbl_size_of_parse_tree;
ACPI_EXTERN u32 acpi_gbl_size_of_method_trees;
ACPI_EXTERN u32 acpi_gbl_size_of_node_entries;
ACPI_EXTERN u32 acpi_gbl_size_of_acpi_objects;
#endif /* ACPI_DEBUGGER */
/*****************************************************************************
*
* Info/help support
*
****************************************************************************/
extern const struct ah_predefined_name asl_predefined_info[];
#endif /* __ACGLOBAL_H__ */
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