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 33 #if (!ACPI_REDUCED_HARDWARE) 34 ACPI_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 40 ACPI_GLOBAL(struct acpi_generic_address, acpi_gbl_xpm1a_status); 41 ACPI_GLOBAL(struct acpi_generic_address, acpi_gbl_xpm1a_enable); 42 43 ACPI_GLOBAL(struct acpi_generic_address, acpi_gbl_xpm1b_status); 44 ACPI_GLOBAL(struct acpi_generic_address, acpi_gbl_xpm1b_enable); 45 46 #ifdef ACPI_GPE_USE_LOGICAL_ADDRESSES 47 ACPI_GLOBAL(unsigned long, acpi_gbl_xgpe0_block_logical_address); 48 ACPI_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 */ 57 ACPI_GLOBAL(u8, acpi_gbl_integer_bit_width); 58 ACPI_GLOBAL(u8, acpi_gbl_integer_byte_width); 59 ACPI_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 */ 72 ACPI_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 */ 79 ACPI_GLOBAL(union acpi_operand_object *, acpi_gbl_global_lock_mutex); 80 ACPI_GLOBAL(acpi_semaphore, acpi_gbl_global_lock_semaphore); 81 ACPI_GLOBAL(acpi_spinlock, acpi_gbl_global_lock_pending_lock); 82 ACPI_GLOBAL(u16, acpi_gbl_global_lock_handle); 83 ACPI_GLOBAL(u8, acpi_gbl_global_lock_acquired); 84 ACPI_GLOBAL(u8, acpi_gbl_global_lock_present); 85 ACPI_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 */ 91 ACPI_GLOBAL(acpi_spinlock, acpi_gbl_gpe_lock); /* For GPE data structs and registers */ 92 ACPI_GLOBAL(acpi_raw_spinlock, acpi_gbl_hardware_lock); /* For ACPI H/W except GPE registers */ 93 ACPI_GLOBAL(acpi_spinlock, acpi_gbl_reference_count_lock); 94 95 /* Mutex for _OSI support */ 96 97 ACPI_GLOBAL(acpi_mutex, acpi_gbl_osi_mutex); 98 99 /* Reader/Writer lock is used for namespace walk and dynamic table unload */ 100 101 ACPI_GLOBAL(struct acpi_rw_lock, acpi_gbl_namespace_rw_lock); 102 103 /***************************************************************************** 104 * 105 * Miscellaneous globals 106 * 107 ****************************************************************************/ 108 109 /* Object caches */ 110 111 ACPI_GLOBAL(acpi_cache_t *, acpi_gbl_namespace_cache); 112 ACPI_GLOBAL(acpi_cache_t *, acpi_gbl_state_cache); 113 ACPI_GLOBAL(acpi_cache_t *, acpi_gbl_ps_node_cache); 114 ACPI_GLOBAL(acpi_cache_t *, acpi_gbl_ps_node_ext_cache); 115 ACPI_GLOBAL(acpi_cache_t *, acpi_gbl_operand_cache); 116 117 /* System */ 118 119 ACPI_INIT_GLOBAL(u32, acpi_gbl_startup_flags, 0); 120 ACPI_INIT_GLOBAL(u8, acpi_gbl_shutdown, TRUE); 121 ACPI_INIT_GLOBAL(u8, acpi_gbl_early_initialization, TRUE); 122 123 /* Global handlers */ 124 125 ACPI_GLOBAL(struct acpi_global_notify_handler, acpi_gbl_global_notify[2]); 126 ACPI_GLOBAL(acpi_exception_handler, acpi_gbl_exception_handler); 127 ACPI_GLOBAL(acpi_init_handler, acpi_gbl_init_handler); 128 ACPI_GLOBAL(acpi_table_handler, acpi_gbl_table_handler); 129 ACPI_GLOBAL(void *, acpi_gbl_table_handler_context); 130 ACPI_GLOBAL(acpi_interface_handler, acpi_gbl_interface_handler); 131 ACPI_GLOBAL(struct acpi_sci_handler_info *, acpi_gbl_sci_handler_list); 132 ACPI_GLOBAL(struct acpi_ged_handler_info *, acpi_gbl_ged_handler_list); 133 134 /* Owner ID support */ 135 136 ACPI_GLOBAL(u32, acpi_gbl_owner_id_mask[ACPI_NUM_OWNERID_MASKS]); 137 ACPI_GLOBAL(u8, acpi_gbl_last_owner_id_index); 138 ACPI_GLOBAL(u8, acpi_gbl_next_owner_id_offset); 139 140 /* Initialization sequencing */ 141 142 ACPI_INIT_GLOBAL(u8, acpi_gbl_namespace_initialized, FALSE); 143 144 /* Miscellaneous */ 145 146 ACPI_GLOBAL(u32, acpi_gbl_original_mode); 147 ACPI_GLOBAL(u32, acpi_gbl_ns_lookup_count); 148 ACPI_GLOBAL(u32, acpi_gbl_ps_find_count); 149 ACPI_GLOBAL(u16, acpi_gbl_pm1_enable_register_save); 150 ACPI_GLOBAL(u8, acpi_gbl_debugger_configuration); 151 ACPI_GLOBAL(u8, acpi_gbl_step_to_next_call); 152 ACPI_GLOBAL(u8, acpi_gbl_acpi_hardware_present); 153 ACPI_GLOBAL(u8, acpi_gbl_events_initialized); 154 ACPI_GLOBAL(struct acpi_interface_info *, acpi_gbl_supported_interfaces); 155 ACPI_GLOBAL(struct acpi_address_range *, 156 acpi_gbl_address_range_list[ACPI_ADDRESS_RANGE_MAX]); 157 158 /* Other miscellaneous, declared and initialized in utglobal */ 159 160 extern const char *acpi_gbl_sleep_state_names[ACPI_S_STATE_COUNT]; 161 extern const char *acpi_gbl_lowest_dstate_names[ACPI_NUM_sx_w_METHODS]; 162 extern const char *acpi_gbl_highest_dstate_names[ACPI_NUM_sx_d_METHODS]; 163 extern const char *acpi_gbl_region_types[ACPI_NUM_PREDEFINED_REGIONS]; 164 extern const char acpi_gbl_lower_hex_digits[]; 165 extern const char acpi_gbl_upper_hex_digits[]; 166 extern 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 171 ACPI_GLOBAL(struct acpi_memory_list *, acpi_gbl_global_list); 172 ACPI_GLOBAL(struct acpi_memory_list *, acpi_gbl_ns_node_list); 173 ACPI_GLOBAL(u8, acpi_gbl_display_final_mem_stats); 174 ACPI_GLOBAL(u8, acpi_gbl_disable_mem_tracking); 175 ACPI_GLOBAL(u8, acpi_gbl_verbose_leak_dump); 176 #endif 177 178 /***************************************************************************** 179 * 180 * ACPI Namespace 181 * 182 ****************************************************************************/ 183 184 #define NUM_PREDEFINED_NAMES 10 185 186 ACPI_GLOBAL(struct acpi_namespace_node, acpi_gbl_root_node_struct); 187 ACPI_GLOBAL(struct acpi_namespace_node *, acpi_gbl_root_node); 188 ACPI_GLOBAL(struct acpi_namespace_node *, acpi_gbl_fadt_gpe_device); 189 190 extern const u8 acpi_gbl_ns_properties[ACPI_NUM_NS_TYPES]; 191 extern const struct acpi_predefined_names 192 acpi_gbl_pre_defined_names[NUM_PREDEFINED_NAMES]; 193 194 #ifdef ACPI_DEBUG_OUTPUT 195 ACPI_GLOBAL(u32, acpi_gbl_current_node_count); 196 ACPI_GLOBAL(u32, acpi_gbl_current_node_size); 197 ACPI_GLOBAL(u32, acpi_gbl_max_concurrent_node_count); 198 ACPI_GLOBAL(acpi_size *, acpi_gbl_entry_stack_pointer); 199 ACPI_GLOBAL(acpi_size *, acpi_gbl_lowest_stack_pointer); 200 ACPI_GLOBAL(u32, acpi_gbl_deepest_nesting); 201 ACPI_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 */ 211 212 ACPI_GLOBAL(u8, acpi_gbl_cm_single_step); 213 ACPI_GLOBAL(struct acpi_thread_state *, acpi_gbl_current_walk_list); 214 ACPI_INIT_GLOBAL(union acpi_parse_object, *acpi_gbl_current_scope, NULL); 215 216 /* ASL/ASL+ converter */ 217 218 ACPI_INIT_GLOBAL(u8, acpi_gbl_capture_comments, FALSE); 219 ACPI_INIT_GLOBAL(struct acpi_comment_node, *acpi_gbl_last_list_head, NULL); 220 221 /***************************************************************************** 222 * 223 * Hardware globals 224 * 225 ****************************************************************************/ 226 227 extern struct acpi_bit_register_info 228 acpi_gbl_bit_register_info[ACPI_NUM_BITREG]; 229 ACPI_GLOBAL(u8, acpi_gbl_sleep_type_a); 230 ACPI_GLOBAL(u8, acpi_gbl_sleep_type_b); 231 ACPI_GLOBAL(u8, acpi_gbl_sleep_type_a_s0); 232 ACPI_GLOBAL(u8, acpi_gbl_sleep_type_b_s0); 233 234 /***************************************************************************** 235 * 236 * Event and GPE globals 237 * 238 ****************************************************************************/ 239 240 #if (!ACPI_REDUCED_HARDWARE) 241 ACPI_GLOBAL(u8, acpi_gbl_all_gpes_initialized); 242 ACPI_GLOBAL(struct acpi_gpe_xrupt_info *, acpi_gbl_gpe_xrupt_list_head); 243 ACPI_GLOBAL(struct acpi_gpe_block_info *, 244 acpi_gbl_gpe_fadt_blocks[ACPI_MAX_GPE_BLOCKS]); 245 ACPI_GLOBAL(acpi_gbl_event_handler, acpi_gbl_global_event_handler); 246 ACPI_GLOBAL(void *, acpi_gbl_global_event_handler_context); 247 ACPI_GLOBAL(struct acpi_fixed_event_handler, 248 acpi_gbl_fixed_event_handlers[ACPI_NUM_FIXED_EVENTS]); 249 extern 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 */ 260 261 ACPI_GLOBAL(u32, acpi_method_count); 262 ACPI_GLOBAL(u32, acpi_gpe_count); 263 ACPI_GLOBAL(u32, acpi_sci_count); 264 ACPI_GLOBAL(u32, acpi_fixed_event_count[ACPI_NUM_FIXED_EVENTS]); 265 266 /* Dynamic control method tracing mechanism */ 267 268 ACPI_GLOBAL(u32, acpi_gbl_original_dbg_level); 269 ACPI_GLOBAL(u32, acpi_gbl_original_dbg_layer); 270 271 /***************************************************************************** 272 * 273 * Debugger and Disassembler 274 * 275 ****************************************************************************/ 276 277 ACPI_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 */ 282 283 ACPI_INIT_GLOBAL(u8, acpi_gbl_no_resource_disassembly, FALSE); 284 ACPI_INIT_GLOBAL(u8, acpi_gbl_ignore_noop_operator, FALSE); 285 ACPI_INIT_GLOBAL(u8, acpi_gbl_cstyle_disassembly, TRUE); 286 ACPI_INIT_GLOBAL(u8, acpi_gbl_force_aml_disassembly, FALSE); 287 ACPI_INIT_GLOBAL(u8, acpi_gbl_dm_opt_verbose, TRUE); 288 ACPI_INIT_GLOBAL(u8, acpi_gbl_dm_emit_external_opcodes, FALSE); 289 ACPI_INIT_GLOBAL(u8, acpi_gbl_do_disassembler_optimizations, TRUE); 290 ACPI_INIT_GLOBAL(ACPI_PARSE_OBJECT_LIST, *acpi_gbl_temp_list_head, NULL); 291 292 ACPI_GLOBAL(u8, acpi_gbl_dm_opt_disasm); 293 ACPI_GLOBAL(u8, acpi_gbl_dm_opt_listing); 294 ACPI_GLOBAL(u8, acpi_gbl_num_external_methods); 295 ACPI_GLOBAL(u32, acpi_gbl_resolved_external_methods); 296 ACPI_GLOBAL(struct acpi_external_list *, acpi_gbl_external_list); 297 ACPI_GLOBAL(struct acpi_external_file *, acpi_gbl_external_file_list); 298 #endif 299 300 #ifdef ACPI_DEBUGGER 301 ACPI_INIT_GLOBAL(u8, acpi_gbl_abort_method, FALSE); 302 ACPI_INIT_GLOBAL(acpi_thread_id, acpi_gbl_db_thread_id, ACPI_INVALID_THREAD_ID); 303 ACPI_INIT_GLOBAL(u32, acpi_gbl_next_cmd_num, 1); 304 305 ACPI_GLOBAL(u8, acpi_gbl_db_opt_no_ini_methods); 306 ACPI_GLOBAL(u8, acpi_gbl_db_opt_no_region_support); 307 ACPI_GLOBAL(u8, acpi_gbl_db_output_to_file); 308 ACPI_GLOBAL(char *, acpi_gbl_db_buffer); 309 ACPI_GLOBAL(char *, acpi_gbl_db_filename); 310 ACPI_GLOBAL(u32, acpi_gbl_db_debug_level); 311 ACPI_GLOBAL(u32, acpi_gbl_db_console_debug_level); 312 ACPI_GLOBAL(struct acpi_namespace_node *, acpi_gbl_db_scope_node); 313 ACPI_GLOBAL(u8, acpi_gbl_db_terminate_loop); 314 ACPI_GLOBAL(u8, acpi_gbl_db_threads_terminated); 315 ACPI_GLOBAL(char *, acpi_gbl_db_args[ACPI_DEBUGGER_MAX_ARGS]); 316 ACPI_GLOBAL(acpi_object_type, acpi_gbl_db_arg_types[ACPI_DEBUGGER_MAX_ARGS]); 317 318 /* These buffers should all be the same size */ 319 320 ACPI_GLOBAL(char, acpi_gbl_db_parsed_buf[ACPI_DB_LINE_BUFFER_SIZE]); 321 ACPI_GLOBAL(char, acpi_gbl_db_scope_buf[ACPI_DB_LINE_BUFFER_SIZE]); 322 ACPI_GLOBAL(char, acpi_gbl_db_debug_filename[ACPI_DB_LINE_BUFFER_SIZE]); 323 324 /* Statistics globals */ 325 326 ACPI_GLOBAL(u16, acpi_gbl_obj_type_count[ACPI_TOTAL_TYPES]); 327 ACPI_GLOBAL(u16, acpi_gbl_node_type_count[ACPI_TOTAL_TYPES]); 328 ACPI_GLOBAL(u16, acpi_gbl_obj_type_count_misc); 329 ACPI_GLOBAL(u16, acpi_gbl_node_type_count_misc); 330 ACPI_GLOBAL(u32, acpi_gbl_num_nodes); 331 ACPI_GLOBAL(u32, acpi_gbl_num_objects); 332 #endif /* ACPI_DEBUGGER */ 333 334 #if defined (ACPI_DISASSEMBLER) || defined (ACPI_ASL_COMPILER) 335 ACPI_GLOBAL(const char, *acpi_gbl_pld_panel_list[]); 336 ACPI_GLOBAL(const char, *acpi_gbl_pld_vertical_position_list[]); 337 ACPI_GLOBAL(const char, *acpi_gbl_pld_horizontal_position_list[]); 338 ACPI_GLOBAL(const char, *acpi_gbl_pld_shape_list[]); 339 ACPI_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 351 ACPI_INIT_GLOBAL(char *, acpi_gbl_current_inline_comment, NULL); 352 ACPI_INIT_GLOBAL(char *, acpi_gbl_current_end_node_comment, NULL); 353 ACPI_INIT_GLOBAL(char *, acpi_gbl_current_open_brace_comment, NULL); 354 ACPI_INIT_GLOBAL(char *, acpi_gbl_current_close_brace_comment, NULL); 355 356 ACPI_INIT_GLOBAL(char *, acpi_gbl_root_filename, NULL); 357 ACPI_INIT_GLOBAL(char *, acpi_gbl_current_filename, NULL); 358 ACPI_INIT_GLOBAL(char *, acpi_gbl_current_parent_filename, NULL); 359 ACPI_INIT_GLOBAL(char *, acpi_gbl_current_include_filename, NULL); 360 361 ACPI_INIT_GLOBAL(struct acpi_comment_node, *acpi_gbl_def_blk_comment_list_head, 362 NULL); 363 ACPI_INIT_GLOBAL(struct acpi_comment_node, *acpi_gbl_def_blk_comment_list_tail, 364 NULL); 365 ACPI_INIT_GLOBAL(struct acpi_comment_node, *acpi_gbl_reg_comment_list_head, 366 NULL); 367 ACPI_INIT_GLOBAL(struct acpi_comment_node, *acpi_gbl_reg_comment_list_tail, 368 NULL); 369 ACPI_INIT_GLOBAL(struct acpi_comment_node, *acpi_gbl_inc_comment_list_head, 370 NULL); 371 ACPI_INIT_GLOBAL(struct acpi_comment_node, *acpi_gbl_inc_comment_list_tail, 372 NULL); 373 ACPI_INIT_GLOBAL(struct acpi_comment_node, *acpi_gbl_end_blk_comment_list_head, 374 NULL); 375 ACPI_INIT_GLOBAL(struct acpi_comment_node, *acpi_gbl_end_blk_comment_list_tail, 376 NULL); 377 378 ACPI_INIT_GLOBAL(struct acpi_comment_addr_node, 379 *acpi_gbl_comment_addr_list_head, NULL); 380 ACPI_INIT_GLOBAL(struct acpi_file_node, *acpi_gbl_file_tree_root, NULL); 381 382 ACPI_GLOBAL(acpi_cache_t *, acpi_gbl_reg_comment_cache); 383 ACPI_GLOBAL(acpi_cache_t *, acpi_gbl_comment_addr_cache); 384 ACPI_GLOBAL(acpi_cache_t *, acpi_gbl_file_cache); 385 386 ACPI_INIT_GLOBAL(u8, acpi_gbl_debug_asl_conversion, FALSE); 387 ACPI_INIT_GLOBAL(ACPI_FILE, acpi_gbl_conv_debug_file, NULL); 388 ACPI_GLOBAL(char, acpi_gbl_table_sig[4]); 389 #endif 390 391 #ifdef ACPI_APPLICATION 392 ACPI_INIT_GLOBAL(ACPI_FILE, acpi_gbl_debug_file, NULL); 393 ACPI_INIT_GLOBAL(ACPI_FILE, acpi_gbl_output_file, NULL); 394 ACPI_INIT_GLOBAL(u8, acpi_gbl_debug_timeout, FALSE); 395 396 /* Print buffer */ 397 398 ACPI_GLOBAL(acpi_spinlock, acpi_gbl_print_lock); /* For print buffer */ 399 ACPI_GLOBAL(char, acpi_gbl_print_buffer[1024]); 400 #endif /* ACPI_APPLICATION */ 401 402 #endif /* __ACGLOBAL_H__ */ 403
