1/* SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0 */ 2/****************************************************************************** 3 * 4 * Name: acglobal.h - Declarations for global variables 5 * 6 * Copyright (C) 2000 - 2023, Intel Corp. 7 * 8 *****************************************************************************/ 9 10#ifndef __ACGLOBAL_H__ 11#define __ACGLOBAL_H__ 12 13/***************************************************************************** 14 * 15 * Globals related to the incoming ACPI tables 16 * 17 ****************************************************************************/ 18 19/* Master list of all ACPI tables that were found in the RSDT/XSDT */ 20 21ACPI_GLOBAL(struct acpi_table_list, acpi_gbl_root_table_list); 22 23/* DSDT information. Used to check for DSDT corruption */ 24 25ACPI_GLOBAL(struct acpi_table_header *, acpi_gbl_DSDT); 26ACPI_GLOBAL(struct acpi_table_header, acpi_gbl_original_dsdt_header); 27ACPI_INIT_GLOBAL(char *, acpi_gbl_CDAT, NULL); 28ACPI_INIT_GLOBAL(u32, acpi_gbl_dsdt_index, ACPI_INVALID_TABLE_INDEX); 29ACPI_INIT_GLOBAL(u32, acpi_gbl_facs_index, ACPI_INVALID_TABLE_INDEX); 30ACPI_INIT_GLOBAL(u32, acpi_gbl_xfacs_index, ACPI_INVALID_TABLE_INDEX); 31ACPI_INIT_GLOBAL(u32, acpi_gbl_fadt_index, ACPI_INVALID_TABLE_INDEX); 32 33#if (!ACPI_REDUCED_HARDWARE) 34ACPI_GLOBAL(struct acpi_table_facs *, acpi_gbl_FACS); 35 36#endif /* !ACPI_REDUCED_HARDWARE */ 37 38/* These addresses are calculated from the FADT Event Block addresses */ 39 40ACPI_GLOBAL(struct acpi_generic_address, acpi_gbl_xpm1a_status); 41ACPI_GLOBAL(struct acpi_generic_address, acpi_gbl_xpm1a_enable); 42 43ACPI_GLOBAL(struct acpi_generic_address, acpi_gbl_xpm1b_status); 44ACPI_GLOBAL(struct acpi_generic_address, acpi_gbl_xpm1b_enable); 45 46#ifdef ACPI_GPE_USE_LOGICAL_ADDRESSES 47ACPI_GLOBAL(unsigned long, acpi_gbl_xgpe0_block_logical_address); 48ACPI_GLOBAL(unsigned long, acpi_gbl_xgpe1_block_logical_address); 49 50#endif /* ACPI_GPE_USE_LOGICAL_ADDRESSES */ 51 52/* 53 * Handle both ACPI 1.0 and ACPI 2.0+ Integer widths. The integer width is 54 * determined by the revision of the DSDT: If the DSDT revision is less than 55 * 2, use only the lower 32 bits of the internal 64-bit Integer. 56 */ 57ACPI_GLOBAL(u8, acpi_gbl_integer_bit_width); 58ACPI_GLOBAL(u8, acpi_gbl_integer_byte_width); 59ACPI_GLOBAL(u8, acpi_gbl_integer_nybble_width); 60 61/***************************************************************************** 62 * 63 * Mutual exclusion within the ACPICA subsystem 64 * 65 ****************************************************************************/ 66 67/* 68 * Predefined mutex objects. This array contains the 69 * actual OS mutex handles, indexed by the local ACPI_MUTEX_HANDLEs. 70 * (The table maps local handles to the real OS handles) 71 */ 72ACPI_GLOBAL(struct acpi_mutex_info, acpi_gbl_mutex_info[ACPI_NUM_MUTEX]); 73 74/* 75 * Global lock mutex is an actual AML mutex object 76 * Global lock semaphore works in conjunction with the actual global lock 77 * Global lock spinlock is used for "pending" handshake 78 */ 79ACPI_GLOBAL(union acpi_operand_object *, acpi_gbl_global_lock_mutex); 80ACPI_GLOBAL(acpi_semaphore, acpi_gbl_global_lock_semaphore); 81ACPI_GLOBAL(acpi_spinlock, acpi_gbl_global_lock_pending_lock); 82ACPI_GLOBAL(u16, acpi_gbl_global_lock_handle); 83ACPI_GLOBAL(u8, acpi_gbl_global_lock_acquired); 84ACPI_GLOBAL(u8, acpi_gbl_global_lock_present); 85ACPI_GLOBAL(u8, acpi_gbl_global_lock_pending); 86 87/* 88 * Spinlocks are used for interfaces that can be possibly called at 89 * interrupt level 90 */ 91ACPI_GLOBAL(acpi_spinlock, acpi_gbl_gpe_lock); /* For GPE data structs and registers */ 92ACPI_GLOBAL(acpi_raw_spinlock, acpi_gbl_hardware_lock); /* For ACPI H/W except GPE registers */ 93ACPI_GLOBAL(acpi_spinlock, acpi_gbl_reference_count_lock); 94 95/* Mutex for _OSI support */ 96 97ACPI_GLOBAL(acpi_mutex, acpi_gbl_osi_mutex); 98 99/* Reader/Writer lock is used for namespace walk and dynamic table unload */ 100 101ACPI_GLOBAL(struct acpi_rw_lock, acpi_gbl_namespace_rw_lock); 102 103/***************************************************************************** 104 * 105 * Miscellaneous globals 106 * 107 ****************************************************************************/ 108 109/* Object caches */ 110 111ACPI_GLOBAL(acpi_cache_t *, acpi_gbl_namespace_cache); 112ACPI_GLOBAL(acpi_cache_t *, acpi_gbl_state_cache); 113ACPI_GLOBAL(acpi_cache_t *, acpi_gbl_ps_node_cache); 114ACPI_GLOBAL(acpi_cache_t *, acpi_gbl_ps_node_ext_cache); 115ACPI_GLOBAL(acpi_cache_t *, acpi_gbl_operand_cache); 116 117/* System */ 118 119ACPI_INIT_GLOBAL(u32, acpi_gbl_startup_flags, 0); 120ACPI_INIT_GLOBAL(u8, acpi_gbl_shutdown, TRUE); 121ACPI_INIT_GLOBAL(u8, acpi_gbl_early_initialization, TRUE); 122 123/* Global handlers */ 124 125ACPI_GLOBAL(struct acpi_global_notify_handler, acpi_gbl_global_notify[2]); 126ACPI_GLOBAL(acpi_exception_handler, acpi_gbl_exception_handler); 127ACPI_GLOBAL(acpi_init_handler, acpi_gbl_init_handler); 128ACPI_GLOBAL(acpi_table_handler, acpi_gbl_table_handler); 129ACPI_GLOBAL(void *, acpi_gbl_table_handler_context); 130ACPI_GLOBAL(acpi_interface_handler, acpi_gbl_interface_handler); 131ACPI_GLOBAL(struct acpi_sci_handler_info *, acpi_gbl_sci_handler_list); 132ACPI_GLOBAL(struct acpi_ged_handler_info *, acpi_gbl_ged_handler_list); 133 134/* Owner ID support */ 135 136ACPI_GLOBAL(u32, acpi_gbl_owner_id_mask[ACPI_NUM_OWNERID_MASKS]); 137ACPI_GLOBAL(u8, acpi_gbl_last_owner_id_index); 138ACPI_GLOBAL(u8, acpi_gbl_next_owner_id_offset); 139 140/* Initialization sequencing */ 141 142ACPI_INIT_GLOBAL(u8, acpi_gbl_namespace_initialized, FALSE); 143 144/* Miscellaneous */ 145 146ACPI_GLOBAL(u32, acpi_gbl_original_mode); 147ACPI_GLOBAL(u32, acpi_gbl_ns_lookup_count); 148ACPI_GLOBAL(u32, acpi_gbl_ps_find_count); 149ACPI_GLOBAL(u16, acpi_gbl_pm1_enable_register_save); 150ACPI_GLOBAL(u8, acpi_gbl_debugger_configuration); 151ACPI_GLOBAL(u8, acpi_gbl_step_to_next_call); 152ACPI_GLOBAL(u8, acpi_gbl_acpi_hardware_present); 153ACPI_GLOBAL(u8, acpi_gbl_events_initialized); 154ACPI_GLOBAL(struct acpi_interface_info *, acpi_gbl_supported_interfaces); 155ACPI_GLOBAL(struct acpi_address_range *, 156 acpi_gbl_address_range_list[ACPI_ADDRESS_RANGE_MAX]); 157 158/* Other miscellaneous, declared and initialized in utglobal */ 159 160extern const char *acpi_gbl_sleep_state_names[ACPI_S_STATE_COUNT]; 161extern const char *acpi_gbl_lowest_dstate_names[ACPI_NUM_sx_w_METHODS]; 162extern const char *acpi_gbl_highest_dstate_names[ACPI_NUM_sx_d_METHODS]; 163extern const char *acpi_gbl_region_types[ACPI_NUM_PREDEFINED_REGIONS]; 164extern const char acpi_gbl_lower_hex_digits[]; 165extern const char acpi_gbl_upper_hex_digits[]; 166extern const struct acpi_opcode_info acpi_gbl_aml_op_info[AML_NUM_OPCODES]; 167 168/* Lists for tracking memory allocations (debug only) */ 169 170#ifdef ACPI_DBG_TRACK_ALLOCATIONS 171ACPI_GLOBAL(struct acpi_memory_list *, acpi_gbl_global_list); 172ACPI_GLOBAL(struct acpi_memory_list *, acpi_gbl_ns_node_list); 173ACPI_GLOBAL(u8, acpi_gbl_display_final_mem_stats); 174ACPI_GLOBAL(u8, acpi_gbl_disable_mem_tracking); 175ACPI_GLOBAL(u8, acpi_gbl_verbose_leak_dump); 176#endif 177 178/***************************************************************************** 179 * 180 * ACPI Namespace 181 * 182 ****************************************************************************/ 183 184#define NUM_PREDEFINED_NAMES 10 185 186ACPI_GLOBAL(struct acpi_namespace_node, acpi_gbl_root_node_struct); 187ACPI_GLOBAL(struct acpi_namespace_node *, acpi_gbl_root_node); 188ACPI_GLOBAL(struct acpi_namespace_node *, acpi_gbl_fadt_gpe_device); 189 190extern const u8 acpi_gbl_ns_properties[ACPI_NUM_NS_TYPES]; 191extern const struct acpi_predefined_names 192 acpi_gbl_pre_defined_names[NUM_PREDEFINED_NAMES]; 193 194#ifdef ACPI_DEBUG_OUTPUT 195ACPI_GLOBAL(u32, acpi_gbl_current_node_count); 196ACPI_GLOBAL(u32, acpi_gbl_current_node_size); 197ACPI_GLOBAL(u32, acpi_gbl_max_concurrent_node_count); 198ACPI_GLOBAL(acpi_size *, acpi_gbl_entry_stack_pointer); 199ACPI_GLOBAL(acpi_size *, acpi_gbl_lowest_stack_pointer); 200ACPI_GLOBAL(u32, acpi_gbl_deepest_nesting); 201ACPI_INIT_GLOBAL(u32, acpi_gbl_nesting_level, 0); 202#endif 203 204/***************************************************************************** 205 * 206 * Interpreter/Parser globals 207 * 208 ****************************************************************************/ 209 210/* Control method single step flag */ 211 212ACPI_GLOBAL(u8, acpi_gbl_cm_single_step); 213ACPI_GLOBAL(struct acpi_thread_state *, acpi_gbl_current_walk_list); 214ACPI_INIT_GLOBAL(union acpi_parse_object, *acpi_gbl_current_scope, NULL); 215 216/* ASL/ASL+ converter */ 217 218ACPI_INIT_GLOBAL(u8, acpi_gbl_capture_comments, FALSE); 219ACPI_INIT_GLOBAL(struct acpi_comment_node, *acpi_gbl_last_list_head, NULL); 220 221/***************************************************************************** 222 * 223 * Hardware globals 224 * 225 ****************************************************************************/ 226 227extern struct acpi_bit_register_info 228 acpi_gbl_bit_register_info[ACPI_NUM_BITREG]; 229ACPI_GLOBAL(u8, acpi_gbl_sleep_type_a); 230ACPI_GLOBAL(u8, acpi_gbl_sleep_type_b); 231ACPI_GLOBAL(u8, acpi_gbl_sleep_type_a_s0); 232ACPI_GLOBAL(u8, acpi_gbl_sleep_type_b_s0); 233 234/***************************************************************************** 235 * 236 * Event and GPE globals 237 * 238 ****************************************************************************/ 239 240#if (!ACPI_REDUCED_HARDWARE) 241ACPI_GLOBAL(u8, acpi_gbl_all_gpes_initialized); 242ACPI_GLOBAL(struct acpi_gpe_xrupt_info *, acpi_gbl_gpe_xrupt_list_head); 243ACPI_GLOBAL(struct acpi_gpe_block_info *, 244 acpi_gbl_gpe_fadt_blocks[ACPI_MAX_GPE_BLOCKS]); 245ACPI_GLOBAL(acpi_gbl_event_handler, acpi_gbl_global_event_handler); 246ACPI_GLOBAL(void *, acpi_gbl_global_event_handler_context); 247ACPI_GLOBAL(struct acpi_fixed_event_handler, 248 acpi_gbl_fixed_event_handlers[ACPI_NUM_FIXED_EVENTS]); 249extern struct acpi_fixed_event_info 250 acpi_gbl_fixed_event_info[ACPI_NUM_FIXED_EVENTS]; 251#endif /* !ACPI_REDUCED_HARDWARE */ 252 253/***************************************************************************** 254 * 255 * Debug support 256 * 257 ****************************************************************************/ 258 259/* Event counters */ 260 261ACPI_GLOBAL(u32, acpi_method_count); 262ACPI_GLOBAL(u32, acpi_gpe_count); 263ACPI_GLOBAL(u32, acpi_sci_count); 264ACPI_GLOBAL(u32, acpi_fixed_event_count[ACPI_NUM_FIXED_EVENTS]); 265 266/* Dynamic control method tracing mechanism */ 267 268ACPI_GLOBAL(u32, acpi_gbl_original_dbg_level); 269ACPI_GLOBAL(u32, acpi_gbl_original_dbg_layer); 270 271/***************************************************************************** 272 * 273 * Debugger and Disassembler 274 * 275 ****************************************************************************/ 276 277ACPI_INIT_GLOBAL(u8, acpi_gbl_db_output_flags, ACPI_DB_CONSOLE_OUTPUT); 278 279#ifdef ACPI_DISASSEMBLER 280 281/* Do not disassemble buffers to resource descriptors */ 282 283ACPI_INIT_GLOBAL(u8, acpi_gbl_no_resource_disassembly, FALSE); 284ACPI_INIT_GLOBAL(u8, acpi_gbl_ignore_noop_operator, FALSE); 285ACPI_INIT_GLOBAL(u8, acpi_gbl_cstyle_disassembly, TRUE); 286ACPI_INIT_GLOBAL(u8, acpi_gbl_force_aml_disassembly, FALSE); 287ACPI_INIT_GLOBAL(u8, acpi_gbl_dm_opt_verbose, TRUE); 288ACPI_INIT_GLOBAL(u8, acpi_gbl_dm_emit_external_opcodes, FALSE); 289ACPI_INIT_GLOBAL(u8, acpi_gbl_do_disassembler_optimizations, TRUE); 290ACPI_INIT_GLOBAL(ACPI_PARSE_OBJECT_LIST, *acpi_gbl_temp_list_head, NULL); 291 292ACPI_GLOBAL(u8, acpi_gbl_dm_opt_disasm); 293ACPI_GLOBAL(u8, acpi_gbl_dm_opt_listing); 294ACPI_GLOBAL(u8, acpi_gbl_num_external_methods); 295ACPI_GLOBAL(u32, acpi_gbl_resolved_external_methods); 296ACPI_GLOBAL(struct acpi_external_list *, acpi_gbl_external_list); 297ACPI_GLOBAL(struct acpi_external_file *, acpi_gbl_external_file_list); 298#endif 299 300#ifdef ACPI_DEBUGGER 301ACPI_INIT_GLOBAL(u8, acpi_gbl_abort_method, FALSE); 302ACPI_INIT_GLOBAL(acpi_thread_id, acpi_gbl_db_thread_id, ACPI_INVALID_THREAD_ID); 303ACPI_INIT_GLOBAL(u32, acpi_gbl_next_cmd_num, 1); 304 305ACPI_GLOBAL(u8, acpi_gbl_db_opt_no_ini_methods); 306ACPI_GLOBAL(u8, acpi_gbl_db_opt_no_region_support); 307ACPI_GLOBAL(u8, acpi_gbl_db_output_to_file); 308ACPI_GLOBAL(char *, acpi_gbl_db_buffer); 309ACPI_GLOBAL(char *, acpi_gbl_db_filename); 310ACPI_GLOBAL(u32, acpi_gbl_db_debug_level); 311ACPI_GLOBAL(u32, acpi_gbl_db_console_debug_level); 312ACPI_GLOBAL(struct acpi_namespace_node *, acpi_gbl_db_scope_node); 313ACPI_GLOBAL(u8, acpi_gbl_db_terminate_loop); 314ACPI_GLOBAL(u8, acpi_gbl_db_threads_terminated); 315ACPI_GLOBAL(char *, acpi_gbl_db_args[ACPI_DEBUGGER_MAX_ARGS]); 316ACPI_GLOBAL(acpi_object_type, acpi_gbl_db_arg_types[ACPI_DEBUGGER_MAX_ARGS]); 317 318/* These buffers should all be the same size */ 319 320ACPI_GLOBAL(char, acpi_gbl_db_parsed_buf[ACPI_DB_LINE_BUFFER_SIZE]); 321ACPI_GLOBAL(char, acpi_gbl_db_scope_buf[ACPI_DB_LINE_BUFFER_SIZE]); 322ACPI_GLOBAL(char, acpi_gbl_db_debug_filename[ACPI_DB_LINE_BUFFER_SIZE]); 323 324/* Statistics globals */ 325 326ACPI_GLOBAL(u16, acpi_gbl_obj_type_count[ACPI_TOTAL_TYPES]); 327ACPI_GLOBAL(u16, acpi_gbl_node_type_count[ACPI_TOTAL_TYPES]); 328ACPI_GLOBAL(u16, acpi_gbl_obj_type_count_misc); 329ACPI_GLOBAL(u16, acpi_gbl_node_type_count_misc); 330ACPI_GLOBAL(u32, acpi_gbl_num_nodes); 331ACPI_GLOBAL(u32, acpi_gbl_num_objects); 332#endif /* ACPI_DEBUGGER */ 333 334#if defined (ACPI_DISASSEMBLER) || defined (ACPI_ASL_COMPILER) 335ACPI_GLOBAL(const char, *acpi_gbl_pld_panel_list[]); 336ACPI_GLOBAL(const char, *acpi_gbl_pld_vertical_position_list[]); 337ACPI_GLOBAL(const char, *acpi_gbl_pld_horizontal_position_list[]); 338ACPI_GLOBAL(const char, *acpi_gbl_pld_shape_list[]); 339ACPI_INIT_GLOBAL(u8, acpi_gbl_disasm_flag, FALSE); 340#endif 341 342/***************************************************************************** 343 * 344 * ACPICA application-specific globals 345 * 346 ****************************************************************************/ 347 348/* ASL-to-ASL+ conversion utility (implemented within the iASL compiler) */ 349 350#ifdef ACPI_ASL_COMPILER 351ACPI_INIT_GLOBAL(char *, acpi_gbl_current_inline_comment, NULL); 352ACPI_INIT_GLOBAL(char *, acpi_gbl_current_end_node_comment, NULL); 353ACPI_INIT_GLOBAL(char *, acpi_gbl_current_open_brace_comment, NULL); 354ACPI_INIT_GLOBAL(char *, acpi_gbl_current_close_brace_comment, NULL); 355 356ACPI_INIT_GLOBAL(char *, acpi_gbl_root_filename, NULL); 357ACPI_INIT_GLOBAL(char *, acpi_gbl_current_filename, NULL); 358ACPI_INIT_GLOBAL(char *, acpi_gbl_current_parent_filename, NULL); 359ACPI_INIT_GLOBAL(char *, acpi_gbl_current_include_filename, NULL); 360 361ACPI_INIT_GLOBAL(struct acpi_comment_node, *acpi_gbl_def_blk_comment_list_head, 362 NULL); 363ACPI_INIT_GLOBAL(struct acpi_comment_node, *acpi_gbl_def_blk_comment_list_tail, 364 NULL); 365ACPI_INIT_GLOBAL(struct acpi_comment_node, *acpi_gbl_reg_comment_list_head, 366 NULL); 367ACPI_INIT_GLOBAL(struct acpi_comment_node, *acpi_gbl_reg_comment_list_tail, 368 NULL); 369ACPI_INIT_GLOBAL(struct acpi_comment_node, *acpi_gbl_inc_comment_list_head, 370 NULL); 371ACPI_INIT_GLOBAL(struct acpi_comment_node, *acpi_gbl_inc_comment_list_tail, 372 NULL); 373ACPI_INIT_GLOBAL(struct acpi_comment_node, *acpi_gbl_end_blk_comment_list_head, 374 NULL); 375ACPI_INIT_GLOBAL(struct acpi_comment_node, *acpi_gbl_end_blk_comment_list_tail, 376 NULL); 377 378ACPI_INIT_GLOBAL(struct acpi_comment_addr_node, 379 *acpi_gbl_comment_addr_list_head, NULL); 380ACPI_INIT_GLOBAL(struct acpi_file_node, *acpi_gbl_file_tree_root, NULL); 381 382ACPI_GLOBAL(acpi_cache_t *, acpi_gbl_reg_comment_cache); 383ACPI_GLOBAL(acpi_cache_t *, acpi_gbl_comment_addr_cache); 384ACPI_GLOBAL(acpi_cache_t *, acpi_gbl_file_cache); 385 386ACPI_INIT_GLOBAL(u8, acpi_gbl_debug_asl_conversion, FALSE); 387ACPI_INIT_GLOBAL(ACPI_FILE, acpi_gbl_conv_debug_file, NULL); 388ACPI_GLOBAL(char, acpi_gbl_table_sig[4]); 389#endif 390 391#ifdef ACPI_APPLICATION 392ACPI_INIT_GLOBAL(ACPI_FILE, acpi_gbl_debug_file, NULL); 393ACPI_INIT_GLOBAL(ACPI_FILE, acpi_gbl_output_file, NULL); 394ACPI_INIT_GLOBAL(u8, acpi_gbl_debug_timeout, FALSE); 395 396/* Print buffer */ 397 398ACPI_GLOBAL(acpi_spinlock, acpi_gbl_print_lock); /* For print buffer */ 399ACPI_GLOBAL(char, acpi_gbl_print_buffer[1024]); 400#endif /* ACPI_APPLICATION */ 401 402#endif /* __ACGLOBAL_H__ */ 403