acglobal.h (15405B)
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 - 2022, 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(u32, acpi_gbl_dsdt_index, ACPI_INVALID_TABLE_INDEX); 28ACPI_INIT_GLOBAL(u32, acpi_gbl_facs_index, ACPI_INVALID_TABLE_INDEX); 29ACPI_INIT_GLOBAL(u32, acpi_gbl_xfacs_index, ACPI_INVALID_TABLE_INDEX); 30ACPI_INIT_GLOBAL(u32, acpi_gbl_fadt_index, ACPI_INVALID_TABLE_INDEX); 31 32#if (!ACPI_REDUCED_HARDWARE) 33ACPI_GLOBAL(struct acpi_table_facs *, acpi_gbl_FACS); 34 35#endif /* !ACPI_REDUCED_HARDWARE */ 36 37/* These addresses are calculated from the FADT Event Block addresses */ 38 39ACPI_GLOBAL(struct acpi_generic_address, acpi_gbl_xpm1a_status); 40ACPI_GLOBAL(struct acpi_generic_address, acpi_gbl_xpm1a_enable); 41 42ACPI_GLOBAL(struct acpi_generic_address, acpi_gbl_xpm1b_status); 43ACPI_GLOBAL(struct acpi_generic_address, acpi_gbl_xpm1b_enable); 44 45#ifdef ACPI_GPE_USE_LOGICAL_ADDRESSES 46ACPI_GLOBAL(unsigned long, acpi_gbl_xgpe0_block_logical_address); 47ACPI_GLOBAL(unsigned long, acpi_gbl_xgpe1_block_logical_address); 48 49#endif /* ACPI_GPE_USE_LOGICAL_ADDRESSES */ 50 51/* 52 * Handle both ACPI 1.0 and ACPI 2.0+ Integer widths. The integer width is 53 * determined by the revision of the DSDT: If the DSDT revision is less than 54 * 2, use only the lower 32 bits of the internal 64-bit Integer. 55 */ 56ACPI_GLOBAL(u8, acpi_gbl_integer_bit_width); 57ACPI_GLOBAL(u8, acpi_gbl_integer_byte_width); 58ACPI_GLOBAL(u8, acpi_gbl_integer_nybble_width); 59 60/***************************************************************************** 61 * 62 * Mutual exclusion within the ACPICA subsystem 63 * 64 ****************************************************************************/ 65 66/* 67 * Predefined mutex objects. This array contains the 68 * actual OS mutex handles, indexed by the local ACPI_MUTEX_HANDLEs. 69 * (The table maps local handles to the real OS handles) 70 */ 71ACPI_GLOBAL(struct acpi_mutex_info, acpi_gbl_mutex_info[ACPI_NUM_MUTEX]); 72 73/* 74 * Global lock mutex is an actual AML mutex object 75 * Global lock semaphore works in conjunction with the actual global lock 76 * Global lock spinlock is used for "pending" handshake 77 */ 78ACPI_GLOBAL(union acpi_operand_object *, acpi_gbl_global_lock_mutex); 79ACPI_GLOBAL(acpi_semaphore, acpi_gbl_global_lock_semaphore); 80ACPI_GLOBAL(acpi_spinlock, acpi_gbl_global_lock_pending_lock); 81ACPI_GLOBAL(u16, acpi_gbl_global_lock_handle); 82ACPI_GLOBAL(u8, acpi_gbl_global_lock_acquired); 83ACPI_GLOBAL(u8, acpi_gbl_global_lock_present); 84ACPI_GLOBAL(u8, acpi_gbl_global_lock_pending); 85 86/* 87 * Spinlocks are used for interfaces that can be possibly called at 88 * interrupt level 89 */ 90ACPI_GLOBAL(acpi_spinlock, acpi_gbl_gpe_lock); /* For GPE data structs and registers */ 91ACPI_GLOBAL(acpi_raw_spinlock, acpi_gbl_hardware_lock); /* For ACPI H/W except GPE registers */ 92ACPI_GLOBAL(acpi_spinlock, acpi_gbl_reference_count_lock); 93 94/* Mutex for _OSI support */ 95 96ACPI_GLOBAL(acpi_mutex, acpi_gbl_osi_mutex); 97 98/* Reader/Writer lock is used for namespace walk and dynamic table unload */ 99 100ACPI_GLOBAL(struct acpi_rw_lock, acpi_gbl_namespace_rw_lock); 101 102/***************************************************************************** 103 * 104 * Miscellaneous globals 105 * 106 ****************************************************************************/ 107 108/* Object caches */ 109 110ACPI_GLOBAL(acpi_cache_t *, acpi_gbl_namespace_cache); 111ACPI_GLOBAL(acpi_cache_t *, acpi_gbl_state_cache); 112ACPI_GLOBAL(acpi_cache_t *, acpi_gbl_ps_node_cache); 113ACPI_GLOBAL(acpi_cache_t *, acpi_gbl_ps_node_ext_cache); 114ACPI_GLOBAL(acpi_cache_t *, acpi_gbl_operand_cache); 115 116/* System */ 117 118ACPI_INIT_GLOBAL(u32, acpi_gbl_startup_flags, 0); 119ACPI_INIT_GLOBAL(u8, acpi_gbl_shutdown, TRUE); 120ACPI_INIT_GLOBAL(u8, acpi_gbl_early_initialization, TRUE); 121 122/* Global handlers */ 123 124ACPI_GLOBAL(struct acpi_global_notify_handler, acpi_gbl_global_notify[2]); 125ACPI_GLOBAL(acpi_exception_handler, acpi_gbl_exception_handler); 126ACPI_GLOBAL(acpi_init_handler, acpi_gbl_init_handler); 127ACPI_GLOBAL(acpi_table_handler, acpi_gbl_table_handler); 128ACPI_GLOBAL(void *, acpi_gbl_table_handler_context); 129ACPI_GLOBAL(acpi_interface_handler, acpi_gbl_interface_handler); 130ACPI_GLOBAL(struct acpi_sci_handler_info *, acpi_gbl_sci_handler_list); 131 132/* Owner ID support */ 133 134ACPI_GLOBAL(u32, acpi_gbl_owner_id_mask[ACPI_NUM_OWNERID_MASKS]); 135ACPI_GLOBAL(u8, acpi_gbl_last_owner_id_index); 136ACPI_GLOBAL(u8, acpi_gbl_next_owner_id_offset); 137 138/* Initialization sequencing */ 139 140ACPI_INIT_GLOBAL(u8, acpi_gbl_namespace_initialized, FALSE); 141 142/* Miscellaneous */ 143 144ACPI_GLOBAL(u32, acpi_gbl_original_mode); 145ACPI_GLOBAL(u32, acpi_gbl_ns_lookup_count); 146ACPI_GLOBAL(u32, acpi_gbl_ps_find_count); 147ACPI_GLOBAL(u16, acpi_gbl_pm1_enable_register_save); 148ACPI_GLOBAL(u8, acpi_gbl_debugger_configuration); 149ACPI_GLOBAL(u8, acpi_gbl_step_to_next_call); 150ACPI_GLOBAL(u8, acpi_gbl_acpi_hardware_present); 151ACPI_GLOBAL(u8, acpi_gbl_events_initialized); 152ACPI_GLOBAL(struct acpi_interface_info *, acpi_gbl_supported_interfaces); 153ACPI_GLOBAL(struct acpi_address_range *, 154 acpi_gbl_address_range_list[ACPI_ADDRESS_RANGE_MAX]); 155 156/* Other miscellaneous, declared and initialized in utglobal */ 157 158extern const char *acpi_gbl_sleep_state_names[ACPI_S_STATE_COUNT]; 159extern const char *acpi_gbl_lowest_dstate_names[ACPI_NUM_sx_w_METHODS]; 160extern const char *acpi_gbl_highest_dstate_names[ACPI_NUM_sx_d_METHODS]; 161extern const char *acpi_gbl_region_types[ACPI_NUM_PREDEFINED_REGIONS]; 162extern const char acpi_gbl_lower_hex_digits[]; 163extern const char acpi_gbl_upper_hex_digits[]; 164extern const struct acpi_opcode_info acpi_gbl_aml_op_info[AML_NUM_OPCODES]; 165 166/* Lists for tracking memory allocations (debug only) */ 167 168#ifdef ACPI_DBG_TRACK_ALLOCATIONS 169ACPI_GLOBAL(struct acpi_memory_list *, acpi_gbl_global_list); 170ACPI_GLOBAL(struct acpi_memory_list *, acpi_gbl_ns_node_list); 171ACPI_GLOBAL(u8, acpi_gbl_display_final_mem_stats); 172ACPI_GLOBAL(u8, acpi_gbl_disable_mem_tracking); 173ACPI_GLOBAL(u8, acpi_gbl_verbose_leak_dump); 174#endif 175 176/***************************************************************************** 177 * 178 * ACPI Namespace 179 * 180 ****************************************************************************/ 181 182#define NUM_PREDEFINED_NAMES 10 183 184ACPI_GLOBAL(struct acpi_namespace_node, acpi_gbl_root_node_struct); 185ACPI_GLOBAL(struct acpi_namespace_node *, acpi_gbl_root_node); 186ACPI_GLOBAL(struct acpi_namespace_node *, acpi_gbl_fadt_gpe_device); 187 188extern const u8 acpi_gbl_ns_properties[ACPI_NUM_NS_TYPES]; 189extern const struct acpi_predefined_names 190 acpi_gbl_pre_defined_names[NUM_PREDEFINED_NAMES]; 191 192#ifdef ACPI_DEBUG_OUTPUT 193ACPI_GLOBAL(u32, acpi_gbl_current_node_count); 194ACPI_GLOBAL(u32, acpi_gbl_current_node_size); 195ACPI_GLOBAL(u32, acpi_gbl_max_concurrent_node_count); 196ACPI_GLOBAL(acpi_size *, acpi_gbl_entry_stack_pointer); 197ACPI_GLOBAL(acpi_size *, acpi_gbl_lowest_stack_pointer); 198ACPI_GLOBAL(u32, acpi_gbl_deepest_nesting); 199ACPI_INIT_GLOBAL(u32, acpi_gbl_nesting_level, 0); 200#endif 201 202/***************************************************************************** 203 * 204 * Interpreter/Parser globals 205 * 206 ****************************************************************************/ 207 208/* Control method single step flag */ 209 210ACPI_GLOBAL(u8, acpi_gbl_cm_single_step); 211ACPI_GLOBAL(struct acpi_thread_state *, acpi_gbl_current_walk_list); 212ACPI_INIT_GLOBAL(union acpi_parse_object, *acpi_gbl_current_scope, NULL); 213 214/* ASL/ASL+ converter */ 215 216ACPI_INIT_GLOBAL(u8, acpi_gbl_capture_comments, FALSE); 217ACPI_INIT_GLOBAL(struct acpi_comment_node, *acpi_gbl_last_list_head, NULL); 218 219/***************************************************************************** 220 * 221 * Hardware globals 222 * 223 ****************************************************************************/ 224 225extern struct acpi_bit_register_info 226 acpi_gbl_bit_register_info[ACPI_NUM_BITREG]; 227ACPI_GLOBAL(u8, acpi_gbl_sleep_type_a); 228ACPI_GLOBAL(u8, acpi_gbl_sleep_type_b); 229ACPI_GLOBAL(u8, acpi_gbl_sleep_type_a_s0); 230ACPI_GLOBAL(u8, acpi_gbl_sleep_type_b_s0); 231 232/***************************************************************************** 233 * 234 * Event and GPE globals 235 * 236 ****************************************************************************/ 237 238#if (!ACPI_REDUCED_HARDWARE) 239ACPI_GLOBAL(u8, acpi_gbl_all_gpes_initialized); 240ACPI_GLOBAL(struct acpi_gpe_xrupt_info *, acpi_gbl_gpe_xrupt_list_head); 241ACPI_GLOBAL(struct acpi_gpe_block_info *, 242 acpi_gbl_gpe_fadt_blocks[ACPI_MAX_GPE_BLOCKS]); 243ACPI_GLOBAL(acpi_gbl_event_handler, acpi_gbl_global_event_handler); 244ACPI_GLOBAL(void *, acpi_gbl_global_event_handler_context); 245ACPI_GLOBAL(struct acpi_fixed_event_handler, 246 acpi_gbl_fixed_event_handlers[ACPI_NUM_FIXED_EVENTS]); 247extern struct acpi_fixed_event_info 248 acpi_gbl_fixed_event_info[ACPI_NUM_FIXED_EVENTS]; 249#endif /* !ACPI_REDUCED_HARDWARE */ 250 251/***************************************************************************** 252 * 253 * Debug support 254 * 255 ****************************************************************************/ 256 257/* Event counters */ 258 259ACPI_GLOBAL(u32, acpi_method_count); 260ACPI_GLOBAL(u32, acpi_gpe_count); 261ACPI_GLOBAL(u32, acpi_sci_count); 262ACPI_GLOBAL(u32, acpi_fixed_event_count[ACPI_NUM_FIXED_EVENTS]); 263 264/* Dynamic control method tracing mechanism */ 265 266ACPI_GLOBAL(u32, acpi_gbl_original_dbg_level); 267ACPI_GLOBAL(u32, acpi_gbl_original_dbg_layer); 268 269/***************************************************************************** 270 * 271 * Debugger and Disassembler 272 * 273 ****************************************************************************/ 274 275ACPI_INIT_GLOBAL(u8, acpi_gbl_db_output_flags, ACPI_DB_CONSOLE_OUTPUT); 276 277#ifdef ACPI_DISASSEMBLER 278 279/* Do not disassemble buffers to resource descriptors */ 280 281ACPI_INIT_GLOBAL(u8, acpi_gbl_no_resource_disassembly, FALSE); 282ACPI_INIT_GLOBAL(u8, acpi_gbl_ignore_noop_operator, FALSE); 283ACPI_INIT_GLOBAL(u8, acpi_gbl_cstyle_disassembly, TRUE); 284ACPI_INIT_GLOBAL(u8, acpi_gbl_force_aml_disassembly, FALSE); 285ACPI_INIT_GLOBAL(u8, acpi_gbl_dm_opt_verbose, TRUE); 286ACPI_INIT_GLOBAL(u8, acpi_gbl_dm_emit_external_opcodes, FALSE); 287ACPI_INIT_GLOBAL(u8, acpi_gbl_do_disassembler_optimizations, TRUE); 288ACPI_INIT_GLOBAL(ACPI_PARSE_OBJECT_LIST, *acpi_gbl_temp_list_head, NULL); 289 290ACPI_GLOBAL(u8, acpi_gbl_dm_opt_disasm); 291ACPI_GLOBAL(u8, acpi_gbl_dm_opt_listing); 292ACPI_GLOBAL(u8, acpi_gbl_num_external_methods); 293ACPI_GLOBAL(u32, acpi_gbl_resolved_external_methods); 294ACPI_GLOBAL(struct acpi_external_list *, acpi_gbl_external_list); 295ACPI_GLOBAL(struct acpi_external_file *, acpi_gbl_external_file_list); 296#endif 297 298#ifdef ACPI_DEBUGGER 299ACPI_INIT_GLOBAL(u8, acpi_gbl_abort_method, FALSE); 300ACPI_INIT_GLOBAL(acpi_thread_id, acpi_gbl_db_thread_id, ACPI_INVALID_THREAD_ID); 301ACPI_INIT_GLOBAL(u32, acpi_gbl_next_cmd_num, 1); 302 303ACPI_GLOBAL(u8, acpi_gbl_db_opt_no_ini_methods); 304ACPI_GLOBAL(u8, acpi_gbl_db_opt_no_region_support); 305ACPI_GLOBAL(u8, acpi_gbl_db_output_to_file); 306ACPI_GLOBAL(char *, acpi_gbl_db_buffer); 307ACPI_GLOBAL(char *, acpi_gbl_db_filename); 308ACPI_GLOBAL(u32, acpi_gbl_db_debug_level); 309ACPI_GLOBAL(u32, acpi_gbl_db_console_debug_level); 310ACPI_GLOBAL(struct acpi_namespace_node *, acpi_gbl_db_scope_node); 311ACPI_GLOBAL(u8, acpi_gbl_db_terminate_loop); 312ACPI_GLOBAL(u8, acpi_gbl_db_threads_terminated); 313ACPI_GLOBAL(char *, acpi_gbl_db_args[ACPI_DEBUGGER_MAX_ARGS]); 314ACPI_GLOBAL(acpi_object_type, acpi_gbl_db_arg_types[ACPI_DEBUGGER_MAX_ARGS]); 315 316/* These buffers should all be the same size */ 317 318ACPI_GLOBAL(char, acpi_gbl_db_parsed_buf[ACPI_DB_LINE_BUFFER_SIZE]); 319ACPI_GLOBAL(char, acpi_gbl_db_scope_buf[ACPI_DB_LINE_BUFFER_SIZE]); 320ACPI_GLOBAL(char, acpi_gbl_db_debug_filename[ACPI_DB_LINE_BUFFER_SIZE]); 321 322/* Statistics globals */ 323 324ACPI_GLOBAL(u16, acpi_gbl_obj_type_count[ACPI_TOTAL_TYPES]); 325ACPI_GLOBAL(u16, acpi_gbl_node_type_count[ACPI_TOTAL_TYPES]); 326ACPI_GLOBAL(u16, acpi_gbl_obj_type_count_misc); 327ACPI_GLOBAL(u16, acpi_gbl_node_type_count_misc); 328ACPI_GLOBAL(u32, acpi_gbl_num_nodes); 329ACPI_GLOBAL(u32, acpi_gbl_num_objects); 330#endif /* ACPI_DEBUGGER */ 331 332#if defined (ACPI_DISASSEMBLER) || defined (ACPI_ASL_COMPILER) 333ACPI_GLOBAL(const char, *acpi_gbl_pld_panel_list[]); 334ACPI_GLOBAL(const char, *acpi_gbl_pld_vertical_position_list[]); 335ACPI_GLOBAL(const char, *acpi_gbl_pld_horizontal_position_list[]); 336ACPI_GLOBAL(const char, *acpi_gbl_pld_shape_list[]); 337ACPI_INIT_GLOBAL(u8, acpi_gbl_disasm_flag, FALSE); 338#endif 339 340/***************************************************************************** 341 * 342 * ACPICA application-specific globals 343 * 344 ****************************************************************************/ 345 346/* ASL-to-ASL+ conversion utility (implemented within the iASL compiler) */ 347 348#ifdef ACPI_ASL_COMPILER 349ACPI_INIT_GLOBAL(char *, acpi_gbl_current_inline_comment, NULL); 350ACPI_INIT_GLOBAL(char *, acpi_gbl_current_end_node_comment, NULL); 351ACPI_INIT_GLOBAL(char *, acpi_gbl_current_open_brace_comment, NULL); 352ACPI_INIT_GLOBAL(char *, acpi_gbl_current_close_brace_comment, NULL); 353 354ACPI_INIT_GLOBAL(char *, acpi_gbl_root_filename, NULL); 355ACPI_INIT_GLOBAL(char *, acpi_gbl_current_filename, NULL); 356ACPI_INIT_GLOBAL(char *, acpi_gbl_current_parent_filename, NULL); 357ACPI_INIT_GLOBAL(char *, acpi_gbl_current_include_filename, NULL); 358 359ACPI_INIT_GLOBAL(struct acpi_comment_node, *acpi_gbl_def_blk_comment_list_head, 360 NULL); 361ACPI_INIT_GLOBAL(struct acpi_comment_node, *acpi_gbl_def_blk_comment_list_tail, 362 NULL); 363ACPI_INIT_GLOBAL(struct acpi_comment_node, *acpi_gbl_reg_comment_list_head, 364 NULL); 365ACPI_INIT_GLOBAL(struct acpi_comment_node, *acpi_gbl_reg_comment_list_tail, 366 NULL); 367ACPI_INIT_GLOBAL(struct acpi_comment_node, *acpi_gbl_inc_comment_list_head, 368 NULL); 369ACPI_INIT_GLOBAL(struct acpi_comment_node, *acpi_gbl_inc_comment_list_tail, 370 NULL); 371ACPI_INIT_GLOBAL(struct acpi_comment_node, *acpi_gbl_end_blk_comment_list_head, 372 NULL); 373ACPI_INIT_GLOBAL(struct acpi_comment_node, *acpi_gbl_end_blk_comment_list_tail, 374 NULL); 375 376ACPI_INIT_GLOBAL(struct acpi_comment_addr_node, 377 *acpi_gbl_comment_addr_list_head, NULL); 378ACPI_INIT_GLOBAL(struct acpi_file_node, *acpi_gbl_file_tree_root, NULL); 379 380ACPI_GLOBAL(acpi_cache_t *, acpi_gbl_reg_comment_cache); 381ACPI_GLOBAL(acpi_cache_t *, acpi_gbl_comment_addr_cache); 382ACPI_GLOBAL(acpi_cache_t *, acpi_gbl_file_cache); 383 384ACPI_INIT_GLOBAL(u8, acpi_gbl_debug_asl_conversion, FALSE); 385ACPI_INIT_GLOBAL(ACPI_FILE, acpi_gbl_conv_debug_file, NULL); 386ACPI_GLOBAL(char, acpi_gbl_table_sig[4]); 387#endif 388 389#ifdef ACPI_APPLICATION 390ACPI_INIT_GLOBAL(ACPI_FILE, acpi_gbl_debug_file, NULL); 391ACPI_INIT_GLOBAL(ACPI_FILE, acpi_gbl_output_file, NULL); 392ACPI_INIT_GLOBAL(u8, acpi_gbl_debug_timeout, FALSE); 393 394/* Print buffer */ 395 396ACPI_GLOBAL(acpi_spinlock, acpi_gbl_print_lock); /* For print buffer */ 397ACPI_GLOBAL(char, acpi_gbl_print_buffer[1024]); 398#endif /* ACPI_APPLICATION */ 399 400#endif /* __ACGLOBAL_H__ */