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