/****************************************************************************** * * 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. */ u8 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 ignore an XSDT if present and use the RSDT instead. * Although the ACPI specification requires that an XSDT be used instead * of the RSDT, the XSDT has been found to be corrupt or ill-formed on * some machines. Default behavior is to use the XSDT if present. */ u8 ACPI_INIT_GLOBAL(acpi_gbl_do_not_use_xsdt, FALSE); /* * Optionally use 32-bit FADT addresses if and when there is a conflict * (address mismatch) between the 32-bit and 64-bit versions of the * address. Although ACPICA adheres to the ACPI specification which * requires the use of the corresponding 64-bit address if it is non-zero, * some machines have been found to have a corrupted non-zero 64-bit * address. Default is TRUE, favor the 32-bit addresses. */ u8 ACPI_INIT_GLOBAL(acpi_gbl_use32_bit_fadt_addresses, TRUE); /* * 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; ACPI_EXTERN struct acpi_sci_handler_info *acpi_gbl_sci_handler_list; /* 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_method_count; ACPI_EXTERN u32 acpi_gpe_count; ACPI_EXTERN u32 acpi_sci_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 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; 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]; /* These buffers should all be the same size */ 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[ACPI_DB_LINE_BUFFER_SIZE]; ACPI_EXTERN char acpi_gbl_db_debug_filename[ACPI_DB_LINE_BUFFER_SIZE]; /* * 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 */ /***************************************************************************** * * Application globals * ****************************************************************************/ #ifdef ACPI_APPLICATION ACPI_FILE ACPI_INIT_GLOBAL(acpi_gbl_debug_file, NULL); #endif /* ACPI_APPLICATION */ /***************************************************************************** * * Info/help support * ****************************************************************************/ extern const struct ah_predefined_name asl_predefined_info[]; #endif /* __ACGLOBAL_H__ */