| /****************************************************************************** |
| * |
| * Name: acglobal.h - Declarations for global variables |
| * |
| *****************************************************************************/ |
| |
| /* |
| * Copyright (C) 2000 - 2010, 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. |
| */ |
| u32 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); |
| |
| /* 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; |
| |
| #endif |
| |
| /***************************************************************************** |
| * |
| * Debug support |
| * |
| ****************************************************************************/ |
| |
| /* Procedure nesting level for debug output */ |
| |
| extern u32 acpi_gbl_nesting_level; |
| |
| /* 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; |
| |
| /***************************************************************************** |
| * |
| * 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; |
| ACPI_EXTERN struct acpi_table_facs *acpi_gbl_FACS; |
| |
| /* 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; |
| |
| /* Reader/Writer lock is used for namespace walk and dynamic table unload */ |
| |
| ACPI_EXTERN struct acpi_rw_lock acpi_gbl_namespace_rw_lock; |
| |
| /***************************************************************************** |
| * |
| * Mutual exlusion 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 HW global lock |
| */ |
| ACPI_EXTERN union acpi_operand_object *acpi_gbl_global_lock_mutex; |
| ACPI_EXTERN acpi_semaphore acpi_gbl_global_lock_semaphore; |
| ACPI_EXTERN u16 acpi_gbl_global_lock_handle; |
| ACPI_EXTERN u8 acpi_gbl_global_lock_acquired; |
| ACPI_EXTERN u8 acpi_gbl_global_lock_present; |
| |
| /* |
| * Spinlocks are used for interfaces that can be possibly called at |
| * interrupt level |
| */ |
| ACPI_EXTERN spinlock_t _acpi_gbl_gpe_lock; /* For GPE data structs and registers */ |
| ACPI_EXTERN spinlock_t _acpi_gbl_hardware_lock; /* For ACPI H/W except GPE registers */ |
| #define acpi_gbl_gpe_lock &_acpi_gbl_gpe_lock |
| #define acpi_gbl_hardware_lock &_acpi_gbl_hardware_lock |
| |
| /***************************************************************************** |
| * |
| * Miscellaneous globals |
| * |
| ****************************************************************************/ |
| |
| #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; |
| #endif |
| |
| /* 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_object_notify_handler acpi_gbl_device_notify; |
| ACPI_EXTERN struct acpi_object_notify_handler acpi_gbl_system_notify; |
| ACPI_EXTERN acpi_exception_handler acpi_gbl_exception_handler; |
| ACPI_EXTERN acpi_init_handler acpi_gbl_init_handler; |
| ACPI_EXTERN acpi_tbl_handler acpi_gbl_table_handler; |
| ACPI_EXTERN void *acpi_gbl_table_handler_context; |
| ACPI_EXTERN struct acpi_walk_state *acpi_gbl_breakpoint_walk; |
| |
| /* 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; |
| |
| /* 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 u8 acpi_gbl_system_awake_and_running; |
| ACPI_EXTERN u8 acpi_gbl_osi_data; |
| |
| #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 |
| |
| /* Exception codes */ |
| |
| extern char const *acpi_gbl_exception_names_env[]; |
| extern char const *acpi_gbl_exception_names_pgm[]; |
| extern char const *acpi_gbl_exception_names_tbl[]; |
| extern char const *acpi_gbl_exception_names_aml[]; |
| extern char const *acpi_gbl_exception_names_ctrl[]; |
| |
| /***************************************************************************** |
| * |
| * 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 |
| * |
| ****************************************************************************/ |
| |
| extern struct acpi_fixed_event_info |
| acpi_gbl_fixed_event_info[ACPI_NUM_FIXED_EVENTS]; |
| ACPI_EXTERN struct acpi_fixed_event_handler |
| acpi_gbl_fixed_event_handlers[ACPI_NUM_FIXED_EVENTS]; |
| 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]; |
| |
| /***************************************************************************** |
| * |
| * Debugger globals |
| * |
| ****************************************************************************/ |
| |
| ACPI_EXTERN u8 acpi_gbl_db_output_flags; |
| |
| #ifdef ACPI_DISASSEMBLER |
| |
| ACPI_EXTERN u8 acpi_gbl_db_opt_disasm; |
| ACPI_EXTERN u8 acpi_gbl_db_opt_verbose; |
| #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 char *acpi_gbl_db_args[ACPI_DEBUGGER_MAX_ARGS]; |
| ACPI_EXTERN char acpi_gbl_db_line_buf[80]; |
| ACPI_EXTERN char acpi_gbl_db_parsed_buf[80]; |
| ACPI_EXTERN char acpi_gbl_db_scope_buf[40]; |
| ACPI_EXTERN char acpi_gbl_db_debug_filename[40]; |
| 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 */ |
| |
| #endif /* __ACGLOBAL_H__ */ |