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 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(u32, acpi_gbl_dsdt_index, ACPI_INVALID_TABLE_INDEX); 28 ACPI_INIT_GLOBAL(u32, acpi_gbl_facs_index, ACPI_INVALID_TABLE_INDEX); 29 ACPI_INIT_GLOBAL(u32, acpi_gbl_xfacs_index, ACPI_INVALID_TABLE_INDEX); 30 ACPI_INIT_GLOBAL(u32, acpi_gbl_fadt_index, ACPI_INVALID_TABLE_INDEX); 31 32 #if (!ACPI_REDUCED_HARDWARE) 33 ACPI_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 39 ACPI_GLOBAL(struct acpi_generic_address, acpi_gbl_xpm1a_status); 40 ACPI_GLOBAL(struct acpi_generic_address, acpi_gbl_xpm1a_enable); 41 42 ACPI_GLOBAL(struct acpi_generic_address, acpi_gbl_xpm1b_status); 43 ACPI_GLOBAL(struct acpi_generic_address, acpi_gbl_xpm1b_enable); 44 45 #ifdef ACPI_GPE_USE_LOGICAL_ADDRESSES 46 ACPI_GLOBAL(unsigned long, acpi_gbl_xgpe0_block_logical_address); 47 ACPI_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 */ 56 ACPI_GLOBAL(u8, acpi_gbl_integer_bit_width); 57 ACPI_GLOBAL(u8, acpi_gbl_integer_byte_width); 58 ACPI_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 */ 71 ACPI_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 */ 78 ACPI_GLOBAL(union acpi_operand_object *, acpi_gbl_global_lock_mutex); 79 ACPI_GLOBAL(acpi_semaphore, acpi_gbl_global_lock_semaphore); 80 ACPI_GLOBAL(acpi_spinlock, acpi_gbl_global_lock_pending_lock); 81 ACPI_GLOBAL(u16, acpi_gbl_global_lock_handle); 82 ACPI_GLOBAL(u8, acpi_gbl_global_lock_acquired); 83 ACPI_GLOBAL(u8, acpi_gbl_global_lock_present); 84 ACPI_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 */ 90 ACPI_GLOBAL(acpi_spinlock, acpi_gbl_gpe_lock); /* For GPE data structs and registers */ 91 ACPI_GLOBAL(acpi_raw_spinlock, acpi_gbl_hardware_lock); /* For ACPI H/W except GPE registers */ 92 ACPI_GLOBAL(acpi_spinlock, acpi_gbl_reference_count_lock); 93 94 /* Mutex for _OSI support */ 95 96 ACPI_GLOBAL(acpi_mutex, acpi_gbl_osi_mutex); 97 98 /* Reader/Writer lock is used for namespace walk and dynamic table unload */ 99 100 ACPI_GLOBAL(struct acpi_rw_lock, acpi_gbl_namespace_rw_lock); 101 102 /***************************************************************************** 103 * 104 * Miscellaneous globals 105 * 106 ****************************************************************************/ 107 108 /* Object caches */ 109 110 ACPI_GLOBAL(acpi_cache_t *, acpi_gbl_namespace_cache); 111 ACPI_GLOBAL(acpi_cache_t *, acpi_gbl_state_cache); 112 ACPI_GLOBAL(acpi_cache_t *, acpi_gbl_ps_node_cache); 113 ACPI_GLOBAL(acpi_cache_t *, acpi_gbl_ps_node_ext_cache); 114 ACPI_GLOBAL(acpi_cache_t *, acpi_gbl_operand_cache); 115 116 /* System */ 117 118 ACPI_INIT_GLOBAL(u32, acpi_gbl_startup_flags, 0); 119 ACPI_INIT_GLOBAL(u8, acpi_gbl_shutdown, TRUE); 120 ACPI_INIT_GLOBAL(u8, acpi_gbl_early_initialization, TRUE); 121 122 /* Global handlers */ 123 124 ACPI_GLOBAL(struct acpi_global_notify_handler, acpi_gbl_global_notify[2]); 125 ACPI_GLOBAL(acpi_exception_handler, acpi_gbl_exception_handler); 126 ACPI_GLOBAL(acpi_init_handler, acpi_gbl_init_handler); 127 ACPI_GLOBAL(acpi_table_handler, acpi_gbl_table_handler); 128 ACPI_GLOBAL(void *, acpi_gbl_table_handler_context); 129 ACPI_GLOBAL(acpi_interface_handler, acpi_gbl_interface_handler); 130 ACPI_GLOBAL(struct acpi_sci_handler_info *, acpi_gbl_sci_handler_list); 131 132 /* Owner ID support */ 133 134 ACPI_GLOBAL(u32, acpi_gbl_owner_id_mask[ACPI_NUM_OWNERID_MASKS]); 135 ACPI_GLOBAL(u8, acpi_gbl_last_owner_id_index); 136 ACPI_GLOBAL(u8, acpi_gbl_next_owner_id_offset); 137 138 /* Initialization sequencing */ 139 140 ACPI_INIT_GLOBAL(u8, acpi_gbl_namespace_initialized, FALSE); 141 142 /* Miscellaneous */ 143 144 ACPI_GLOBAL(u32, acpi_gbl_original_mode); 145 ACPI_GLOBAL(u32, acpi_gbl_ns_lookup_count); 146 ACPI_GLOBAL(u32, acpi_gbl_ps_find_count); 147 ACPI_GLOBAL(u16, acpi_gbl_pm1_enable_register_save); 148 ACPI_GLOBAL(u8, acpi_gbl_debugger_configuration); 149 ACPI_GLOBAL(u8, acpi_gbl_step_to_next_call); 150 ACPI_GLOBAL(u8, acpi_gbl_acpi_hardware_present); 151 ACPI_GLOBAL(u8, acpi_gbl_events_initialized); 152 ACPI_GLOBAL(struct acpi_interface_info *, acpi_gbl_supported_interfaces); 153 ACPI_GLOBAL(struct acpi_address_range *, 154 acpi_gbl_address_range_list[ACPI_ADDRESS_RANGE_MAX]); 155 156 /* Other miscellaneous, declared and initialized in utglobal */ 157 158 extern const char *acpi_gbl_sleep_state_names[ACPI_S_STATE_COUNT]; 159 extern const char *acpi_gbl_lowest_dstate_names[ACPI_NUM_sx_w_METHODS]; 160 extern const char *acpi_gbl_highest_dstate_names[ACPI_NUM_sx_d_METHODS]; 161 extern const char *acpi_gbl_region_types[ACPI_NUM_PREDEFINED_REGIONS]; 162 extern const char acpi_gbl_lower_hex_digits[]; 163 extern const char acpi_gbl_upper_hex_digits[]; 164 extern 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 169 ACPI_GLOBAL(struct acpi_memory_list *, acpi_gbl_global_list); 170 ACPI_GLOBAL(struct acpi_memory_list *, acpi_gbl_ns_node_list); 171 ACPI_GLOBAL(u8, acpi_gbl_display_final_mem_stats); 172 ACPI_GLOBAL(u8, acpi_gbl_disable_mem_tracking); 173 ACPI_GLOBAL(u8, acpi_gbl_verbose_leak_dump); 174 #endif 175 176 /***************************************************************************** 177 * 178 * ACPI Namespace 179 * 180 ****************************************************************************/ 181 182 #define NUM_PREDEFINED_NAMES 10 183 184 ACPI_GLOBAL(struct acpi_namespace_node, acpi_gbl_root_node_struct); 185 ACPI_GLOBAL(struct acpi_namespace_node *, acpi_gbl_root_node); 186 ACPI_GLOBAL(struct acpi_namespace_node *, acpi_gbl_fadt_gpe_device); 187 188 extern const u8 acpi_gbl_ns_properties[ACPI_NUM_NS_TYPES]; 189 extern const struct acpi_predefined_names 190 acpi_gbl_pre_defined_names[NUM_PREDEFINED_NAMES]; 191 192 #ifdef ACPI_DEBUG_OUTPUT 193 ACPI_GLOBAL(u32, acpi_gbl_current_node_count); 194 ACPI_GLOBAL(u32, acpi_gbl_current_node_size); 195 ACPI_GLOBAL(u32, acpi_gbl_max_concurrent_node_count); 196 ACPI_GLOBAL(acpi_size *, acpi_gbl_entry_stack_pointer); 197 ACPI_GLOBAL(acpi_size *, acpi_gbl_lowest_stack_pointer); 198 ACPI_GLOBAL(u32, acpi_gbl_deepest_nesting); 199 ACPI_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 */ 209 210 ACPI_GLOBAL(u8, acpi_gbl_cm_single_step); 211 ACPI_GLOBAL(struct acpi_thread_state *, acpi_gbl_current_walk_list); 212 ACPI_INIT_GLOBAL(union acpi_parse_object, *acpi_gbl_current_scope, NULL); 213 214 /* ASL/ASL+ converter */ 215 216 ACPI_INIT_GLOBAL(u8, acpi_gbl_capture_comments, FALSE); 217 ACPI_INIT_GLOBAL(struct acpi_comment_node, *acpi_gbl_last_list_head, NULL); 218 219 /***************************************************************************** 220 * 221 * Hardware globals 222 * 223 ****************************************************************************/ 224 225 extern struct acpi_bit_register_info 226 acpi_gbl_bit_register_info[ACPI_NUM_BITREG]; 227 ACPI_GLOBAL(u8, acpi_gbl_sleep_type_a); 228 ACPI_GLOBAL(u8, acpi_gbl_sleep_type_b); 229 ACPI_GLOBAL(u8, acpi_gbl_sleep_type_a_s0); 230 ACPI_GLOBAL(u8, acpi_gbl_sleep_type_b_s0); 231 232 /***************************************************************************** 233 * 234 * Event and GPE globals 235 * 236 ****************************************************************************/ 237 238 #if (!ACPI_REDUCED_HARDWARE) 239 ACPI_GLOBAL(u8, acpi_gbl_all_gpes_initialized); 240 ACPI_GLOBAL(struct acpi_gpe_xrupt_info *, acpi_gbl_gpe_xrupt_list_head); 241 ACPI_GLOBAL(struct acpi_gpe_block_info *, 242 acpi_gbl_gpe_fadt_blocks[ACPI_MAX_GPE_BLOCKS]); 243 ACPI_GLOBAL(acpi_gbl_event_handler, acpi_gbl_global_event_handler); 244 ACPI_GLOBAL(void *, acpi_gbl_global_event_handler_context); 245 ACPI_GLOBAL(struct acpi_fixed_event_handler, 246 acpi_gbl_fixed_event_handlers[ACPI_NUM_FIXED_EVENTS]); 247 extern 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 */ 258 259 ACPI_GLOBAL(u32, acpi_method_count); 260 ACPI_GLOBAL(u32, acpi_gpe_count); 261 ACPI_GLOBAL(u32, acpi_sci_count); 262 ACPI_GLOBAL(u32, acpi_fixed_event_count[ACPI_NUM_FIXED_EVENTS]); 263 264 /* Dynamic control method tracing mechanism */ 265 266 ACPI_GLOBAL(u32, acpi_gbl_original_dbg_level); 267 ACPI_GLOBAL(u32, acpi_gbl_original_dbg_layer); 268 269 /***************************************************************************** 270 * 271 * Debugger and Disassembler 272 * 273 ****************************************************************************/ 274 275 ACPI_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 */ 280 281 ACPI_INIT_GLOBAL(u8, acpi_gbl_no_resource_disassembly, FALSE); 282 ACPI_INIT_GLOBAL(u8, acpi_gbl_ignore_noop_operator, FALSE); 283 ACPI_INIT_GLOBAL(u8, acpi_gbl_cstyle_disassembly, TRUE); 284 ACPI_INIT_GLOBAL(u8, acpi_gbl_force_aml_disassembly, FALSE); 285 ACPI_INIT_GLOBAL(u8, acpi_gbl_dm_opt_verbose, TRUE); 286 ACPI_INIT_GLOBAL(u8, acpi_gbl_dm_emit_external_opcodes, FALSE); 287 ACPI_INIT_GLOBAL(u8, acpi_gbl_do_disassembler_optimizations, TRUE); 288 ACPI_INIT_GLOBAL(ACPI_PARSE_OBJECT_LIST, *acpi_gbl_temp_list_head, NULL); 289 290 ACPI_GLOBAL(u8, acpi_gbl_dm_opt_disasm); 291 ACPI_GLOBAL(u8, acpi_gbl_dm_opt_listing); 292 ACPI_GLOBAL(u8, acpi_gbl_num_external_methods); 293 ACPI_GLOBAL(u32, acpi_gbl_resolved_external_methods); 294 ACPI_GLOBAL(struct acpi_external_list *, acpi_gbl_external_list); 295 ACPI_GLOBAL(struct acpi_external_file *, acpi_gbl_external_file_list); 296 #endif 297 298 #ifdef ACPI_DEBUGGER 299 ACPI_INIT_GLOBAL(u8, acpi_gbl_abort_method, FALSE); 300 ACPI_INIT_GLOBAL(acpi_thread_id, acpi_gbl_db_thread_id, ACPI_INVALID_THREAD_ID); 301 ACPI_INIT_GLOBAL(u32, acpi_gbl_next_cmd_num, 1); 302 303 ACPI_GLOBAL(u8, acpi_gbl_db_opt_no_ini_methods); 304 ACPI_GLOBAL(u8, acpi_gbl_db_opt_no_region_support); 305 ACPI_GLOBAL(u8, acpi_gbl_db_output_to_file); 306 ACPI_GLOBAL(char *, acpi_gbl_db_buffer); 307 ACPI_GLOBAL(char *, acpi_gbl_db_filename); 308 ACPI_GLOBAL(u32, acpi_gbl_db_debug_level); 309 ACPI_GLOBAL(u32, acpi_gbl_db_console_debug_level); 310 ACPI_GLOBAL(struct acpi_namespace_node *, acpi_gbl_db_scope_node); 311 ACPI_GLOBAL(u8, acpi_gbl_db_terminate_loop); 312 ACPI_GLOBAL(u8, acpi_gbl_db_threads_terminated); 313 ACPI_GLOBAL(char *, acpi_gbl_db_args[ACPI_DEBUGGER_MAX_ARGS]); 314 ACPI_GLOBAL(acpi_object_type, acpi_gbl_db_arg_types[ACPI_DEBUGGER_MAX_ARGS]); 315 316 /* These buffers should all be the same size */ 317 318 ACPI_GLOBAL(char, acpi_gbl_db_parsed_buf[ACPI_DB_LINE_BUFFER_SIZE]); 319 ACPI_GLOBAL(char, acpi_gbl_db_scope_buf[ACPI_DB_LINE_BUFFER_SIZE]); 320 ACPI_GLOBAL(char, acpi_gbl_db_debug_filename[ACPI_DB_LINE_BUFFER_SIZE]); 321 322 /* Statistics globals */ 323 324 ACPI_GLOBAL(u16, acpi_gbl_obj_type_count[ACPI_TOTAL_TYPES]); 325 ACPI_GLOBAL(u16, acpi_gbl_node_type_count[ACPI_TOTAL_TYPES]); 326 ACPI_GLOBAL(u16, acpi_gbl_obj_type_count_misc); 327 ACPI_GLOBAL(u16, acpi_gbl_node_type_count_misc); 328 ACPI_GLOBAL(u32, acpi_gbl_num_nodes); 329 ACPI_GLOBAL(u32, acpi_gbl_num_objects); 330 #endif /* ACPI_DEBUGGER */ 331 332 #if defined (ACPI_DISASSEMBLER) || defined (ACPI_ASL_COMPILER) 333 ACPI_GLOBAL(const char, *acpi_gbl_pld_panel_list[]); 334 ACPI_GLOBAL(const char, *acpi_gbl_pld_vertical_position_list[]); 335 ACPI_GLOBAL(const char, *acpi_gbl_pld_horizontal_position_list[]); 336 ACPI_GLOBAL(const char, *acpi_gbl_pld_shape_list[]); 337 ACPI_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 349 ACPI_INIT_GLOBAL(char *, acpi_gbl_current_inline_comment, NULL); 350 ACPI_INIT_GLOBAL(char *, acpi_gbl_current_end_node_comment, NULL); 351 ACPI_INIT_GLOBAL(char *, acpi_gbl_current_open_brace_comment, NULL); 352 ACPI_INIT_GLOBAL(char *, acpi_gbl_current_close_brace_comment, NULL); 353 354 ACPI_INIT_GLOBAL(char *, acpi_gbl_root_filename, NULL); 355 ACPI_INIT_GLOBAL(char *, acpi_gbl_current_filename, NULL); 356 ACPI_INIT_GLOBAL(char *, acpi_gbl_current_parent_filename, NULL); 357 ACPI_INIT_GLOBAL(char *, acpi_gbl_current_include_filename, NULL); 358 359 ACPI_INIT_GLOBAL(struct acpi_comment_node, *acpi_gbl_def_blk_comment_list_head, 360 NULL); 361 ACPI_INIT_GLOBAL(struct acpi_comment_node, *acpi_gbl_def_blk_comment_list_tail, 362 NULL); 363 ACPI_INIT_GLOBAL(struct acpi_comment_node, *acpi_gbl_reg_comment_list_head, 364 NULL); 365 ACPI_INIT_GLOBAL(struct acpi_comment_node, *acpi_gbl_reg_comment_list_tail, 366 NULL); 367 ACPI_INIT_GLOBAL(struct acpi_comment_node, *acpi_gbl_inc_comment_list_head, 368 NULL); 369 ACPI_INIT_GLOBAL(struct acpi_comment_node, *acpi_gbl_inc_comment_list_tail, 370 NULL); 371 ACPI_INIT_GLOBAL(struct acpi_comment_node, *acpi_gbl_end_blk_comment_list_head, 372 NULL); 373 ACPI_INIT_GLOBAL(struct acpi_comment_node, *acpi_gbl_end_blk_comment_list_tail, 374 NULL); 375 376 ACPI_INIT_GLOBAL(struct acpi_comment_addr_node, 377 *acpi_gbl_comment_addr_list_head, NULL); 378 ACPI_INIT_GLOBAL(struct acpi_file_node, *acpi_gbl_file_tree_root, NULL); 379 380 ACPI_GLOBAL(acpi_cache_t *, acpi_gbl_reg_comment_cache); 381 ACPI_GLOBAL(acpi_cache_t *, acpi_gbl_comment_addr_cache); 382 ACPI_GLOBAL(acpi_cache_t *, acpi_gbl_file_cache); 383 384 ACPI_INIT_GLOBAL(u8, acpi_gbl_debug_asl_conversion, FALSE); 385 ACPI_INIT_GLOBAL(ACPI_FILE, acpi_gbl_conv_debug_file, NULL); 386 ACPI_GLOBAL(char, acpi_gbl_table_sig[4]); 387 #endif 388 389 #ifdef ACPI_APPLICATION 390 ACPI_INIT_GLOBAL(ACPI_FILE, acpi_gbl_debug_file, NULL); 391 ACPI_INIT_GLOBAL(ACPI_FILE, acpi_gbl_output_file, NULL); 392 ACPI_INIT_GLOBAL(u8, acpi_gbl_debug_timeout, FALSE); 393 394 /* Print buffer */ 395 396 ACPI_GLOBAL(acpi_spinlock, acpi_gbl_print_lock); /* For print buffer */ 397 ACPI_GLOBAL(char, acpi_gbl_print_buffer[1024]); 398 #endif /* ACPI_APPLICATION */ 399 400 #endif /* __ACGLOBAL_H__ */ 401