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(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); 132 133 /* Owner ID support */ 134 135 ACPI_GLOBAL(u32, acpi_gbl_owner_id_mask[ACPI_NUM_OWNERID_MASKS]); 136 ACPI_GLOBAL(u8, acpi_gbl_last_owner_id_index); 137 ACPI_GLOBAL(u8, acpi_gbl_next_owner_id_offset); 138 139 /* Initialization sequencing */ 140 141 ACPI_INIT_GLOBAL(u8, acpi_gbl_namespace_initialized, FALSE); 142 143 /* Miscellaneous */ 144 145 ACPI_GLOBAL(u32, acpi_gbl_original_mode); 146 ACPI_GLOBAL(u32, acpi_gbl_ns_lookup_count); 147 ACPI_GLOBAL(u32, acpi_gbl_ps_find_count); 148 ACPI_GLOBAL(u16, acpi_gbl_pm1_enable_register_save); 149 ACPI_GLOBAL(u8, acpi_gbl_debugger_configuration); 150 ACPI_GLOBAL(u8, acpi_gbl_step_to_next_call); 151 ACPI_GLOBAL(u8, acpi_gbl_acpi_hardware_present); 152 ACPI_GLOBAL(u8, acpi_gbl_events_initialized); 153 ACPI_GLOBAL(struct acpi_interface_info *, acpi_gbl_supported_interfaces); 154 ACPI_GLOBAL(struct acpi_address_range *, 155 acpi_gbl_address_range_list[ACPI_ADDRESS_RANGE_MAX]); 156 157 /* Other miscellaneous, declared and initialized in utglobal */ 158 159 extern const char *acpi_gbl_sleep_state_names[ACPI_S_STATE_COUNT]; 160 extern const char *acpi_gbl_lowest_dstate_names[ACPI_NUM_sx_w_METHODS]; 161 extern const char *acpi_gbl_highest_dstate_names[ACPI_NUM_sx_d_METHODS]; 162 extern const char *acpi_gbl_region_types[ACPI_NUM_PREDEFINED_REGIONS]; 163 extern const char acpi_gbl_lower_hex_digits[]; 164 extern const char acpi_gbl_upper_hex_digits[]; 165 extern const struct acpi_opcode_info acpi_gbl_aml_op_info[AML_NUM_OPCODES]; 166 167 /* Lists for tracking memory allocations (debug only) */ 168 169 #ifdef ACPI_DBG_TRACK_ALLOCATIONS 170 ACPI_GLOBAL(struct acpi_memory_list *, acpi_gbl_global_list); 171 ACPI_GLOBAL(struct acpi_memory_list *, acpi_gbl_ns_node_list); 172 ACPI_GLOBAL(u8, acpi_gbl_display_final_mem_stats); 173 ACPI_GLOBAL(u8, acpi_gbl_disable_mem_tracking); 174 ACPI_GLOBAL(u8, acpi_gbl_verbose_leak_dump); 175 #endif 176 177 /***************************************************************************** 178 * 179 * ACPI Namespace 180 * 181 ****************************************************************************/ 182 183 #define NUM_PREDEFINED_NAMES 10 184 185 ACPI_GLOBAL(struct acpi_namespace_node, acpi_gbl_root_node_struct); 186 ACPI_GLOBAL(struct acpi_namespace_node *, acpi_gbl_root_node); 187 ACPI_GLOBAL(struct acpi_namespace_node *, acpi_gbl_fadt_gpe_device); 188 189 extern const u8 acpi_gbl_ns_properties[ACPI_NUM_NS_TYPES]; 190 extern const struct acpi_predefined_names 191 acpi_gbl_pre_defined_names[NUM_PREDEFINED_NAMES]; 192 193 #ifdef ACPI_DEBUG_OUTPUT 194 ACPI_GLOBAL(u32, acpi_gbl_current_node_count); 195 ACPI_GLOBAL(u32, acpi_gbl_current_node_size); 196 ACPI_GLOBAL(u32, acpi_gbl_max_concurrent_node_count); 197 ACPI_GLOBAL(acpi_size *, acpi_gbl_entry_stack_pointer); 198 ACPI_GLOBAL(acpi_size *, acpi_gbl_lowest_stack_pointer); 199 ACPI_GLOBAL(u32, acpi_gbl_deepest_nesting); 200 ACPI_INIT_GLOBAL(u32, acpi_gbl_nesting_level, 0); 201 #endif 202 203 /***************************************************************************** 204 * 205 * Interpreter/Parser globals 206 * 207 ****************************************************************************/ 208 209 /* Control method single step flag */ 210 211 ACPI_GLOBAL(u8, acpi_gbl_cm_single_step); 212 ACPI_GLOBAL(struct acpi_thread_state *, acpi_gbl_current_walk_list); 213 ACPI_INIT_GLOBAL(union acpi_parse_object, *acpi_gbl_current_scope, NULL); 214 215 /* ASL/ASL+ converter */ 216 217 ACPI_INIT_GLOBAL(u8, acpi_gbl_capture_comments, FALSE); 218 ACPI_INIT_GLOBAL(struct acpi_comment_node, *acpi_gbl_last_list_head, NULL); 219 220 /***************************************************************************** 221 * 222 * Hardware globals 223 * 224 ****************************************************************************/ 225 226 extern struct acpi_bit_register_info 227 acpi_gbl_bit_register_info[ACPI_NUM_BITREG]; 228 ACPI_GLOBAL(u8, acpi_gbl_sleep_type_a); 229 ACPI_GLOBAL(u8, acpi_gbl_sleep_type_b); 230 ACPI_GLOBAL(u8, acpi_gbl_sleep_type_a_s0); 231 ACPI_GLOBAL(u8, acpi_gbl_sleep_type_b_s0); 232 233 /***************************************************************************** 234 * 235 * Event and GPE globals 236 * 237 ****************************************************************************/ 238 239 #if (!ACPI_REDUCED_HARDWARE) 240 ACPI_GLOBAL(u8, acpi_gbl_all_gpes_initialized); 241 ACPI_GLOBAL(struct acpi_gpe_xrupt_info *, acpi_gbl_gpe_xrupt_list_head); 242 ACPI_GLOBAL(struct acpi_gpe_block_info *, 243 acpi_gbl_gpe_fadt_blocks[ACPI_MAX_GPE_BLOCKS]); 244 ACPI_GLOBAL(acpi_gbl_event_handler, acpi_gbl_global_event_handler); 245 ACPI_GLOBAL(void *, acpi_gbl_global_event_handler_context); 246 ACPI_GLOBAL(struct acpi_fixed_event_handler, 247 acpi_gbl_fixed_event_handlers[ACPI_NUM_FIXED_EVENTS]); 248 extern struct acpi_fixed_event_info 249 acpi_gbl_fixed_event_info[ACPI_NUM_FIXED_EVENTS]; 250 #endif /* !ACPI_REDUCED_HARDWARE */ 251 252 /***************************************************************************** 253 * 254 * Debug support 255 * 256 ****************************************************************************/ 257 258 /* Event counters */ 259 260 ACPI_GLOBAL(u32, acpi_method_count); 261 ACPI_GLOBAL(u32, acpi_gpe_count); 262 ACPI_GLOBAL(u32, acpi_sci_count); 263 ACPI_GLOBAL(u32, acpi_fixed_event_count[ACPI_NUM_FIXED_EVENTS]); 264 265 /* Dynamic control method tracing mechanism */ 266 267 ACPI_GLOBAL(u32, acpi_gbl_original_dbg_level); 268 ACPI_GLOBAL(u32, acpi_gbl_original_dbg_layer); 269 270 /***************************************************************************** 271 * 272 * Debugger and Disassembler 273 * 274 ****************************************************************************/ 275 276 ACPI_INIT_GLOBAL(u8, acpi_gbl_db_output_flags, ACPI_DB_CONSOLE_OUTPUT); 277 278 #ifdef ACPI_DISASSEMBLER 279 280 /* Do not disassemble buffers to resource descriptors */ 281 282 ACPI_INIT_GLOBAL(u8, acpi_gbl_no_resource_disassembly, FALSE); 283 ACPI_INIT_GLOBAL(u8, acpi_gbl_ignore_noop_operator, FALSE); 284 ACPI_INIT_GLOBAL(u8, acpi_gbl_cstyle_disassembly, TRUE); 285 ACPI_INIT_GLOBAL(u8, acpi_gbl_force_aml_disassembly, FALSE); 286 ACPI_INIT_GLOBAL(u8, acpi_gbl_dm_opt_verbose, TRUE); 287 ACPI_INIT_GLOBAL(u8, acpi_gbl_dm_emit_external_opcodes, FALSE); 288 ACPI_INIT_GLOBAL(u8, acpi_gbl_do_disassembler_optimizations, TRUE); 289 ACPI_INIT_GLOBAL(ACPI_PARSE_OBJECT_LIST, *acpi_gbl_temp_list_head, NULL); 290 291 ACPI_GLOBAL(u8, acpi_gbl_dm_opt_disasm); 292 ACPI_GLOBAL(u8, acpi_gbl_dm_opt_listing); 293 ACPI_GLOBAL(u8, acpi_gbl_num_external_methods); 294 ACPI_GLOBAL(u32, acpi_gbl_resolved_external_methods); 295 ACPI_GLOBAL(struct acpi_external_list *, acpi_gbl_external_list); 296 ACPI_GLOBAL(struct acpi_external_file *, acpi_gbl_external_file_list); 297 #endif 298 299 #ifdef ACPI_DEBUGGER 300 ACPI_INIT_GLOBAL(u8, acpi_gbl_abort_method, FALSE); 301 ACPI_INIT_GLOBAL(acpi_thread_id, acpi_gbl_db_thread_id, ACPI_INVALID_THREAD_ID); 302 ACPI_INIT_GLOBAL(u32, acpi_gbl_next_cmd_num, 1); 303 304 ACPI_GLOBAL(u8, acpi_gbl_db_opt_no_ini_methods); 305 ACPI_GLOBAL(u8, acpi_gbl_db_opt_no_region_support); 306 ACPI_GLOBAL(u8, acpi_gbl_db_output_to_file); 307 ACPI_GLOBAL(char *, acpi_gbl_db_buffer); 308 ACPI_GLOBAL(char *, acpi_gbl_db_filename); 309 ACPI_GLOBAL(u32, acpi_gbl_db_debug_level); 310 ACPI_GLOBAL(u32, acpi_gbl_db_console_debug_level); 311 ACPI_GLOBAL(struct acpi_namespace_node *, acpi_gbl_db_scope_node); 312 ACPI_GLOBAL(u8, acpi_gbl_db_terminate_loop); 313 ACPI_GLOBAL(u8, acpi_gbl_db_threads_terminated); 314 ACPI_GLOBAL(char *, acpi_gbl_db_args[ACPI_DEBUGGER_MAX_ARGS]); 315 ACPI_GLOBAL(acpi_object_type, acpi_gbl_db_arg_types[ACPI_DEBUGGER_MAX_ARGS]); 316 317 /* These buffers should all be the same size */ 318 319 ACPI_GLOBAL(char, acpi_gbl_db_parsed_buf[ACPI_DB_LINE_BUFFER_SIZE]); 320 ACPI_GLOBAL(char, acpi_gbl_db_scope_buf[ACPI_DB_LINE_BUFFER_SIZE]); 321 ACPI_GLOBAL(char, acpi_gbl_db_debug_filename[ACPI_DB_LINE_BUFFER_SIZE]); 322 323 /* Statistics globals */ 324 325 ACPI_GLOBAL(u16, acpi_gbl_obj_type_count[ACPI_TOTAL_TYPES]); 326 ACPI_GLOBAL(u16, acpi_gbl_node_type_count[ACPI_TOTAL_TYPES]); 327 ACPI_GLOBAL(u16, acpi_gbl_obj_type_count_misc); 328 ACPI_GLOBAL(u16, acpi_gbl_node_type_count_misc); 329 ACPI_GLOBAL(u32, acpi_gbl_num_nodes); 330 ACPI_GLOBAL(u32, acpi_gbl_num_objects); 331 #endif /* ACPI_DEBUGGER */ 332 333 #if defined (ACPI_DISASSEMBLER) || defined (ACPI_ASL_COMPILER) 334 ACPI_GLOBAL(const char, *acpi_gbl_pld_panel_list[]); 335 ACPI_GLOBAL(const char, *acpi_gbl_pld_vertical_position_list[]); 336 ACPI_GLOBAL(const char, *acpi_gbl_pld_horizontal_position_list[]); 337 ACPI_GLOBAL(const char, *acpi_gbl_pld_shape_list[]); 338 ACPI_INIT_GLOBAL(u8, acpi_gbl_disasm_flag, FALSE); 339 #endif 340 341 /***************************************************************************** 342 * 343 * ACPICA application-specific globals 344 * 345 ****************************************************************************/ 346 347 /* ASL-to-ASL+ conversion utility (implemented within the iASL compiler) */ 348 349 #ifdef ACPI_ASL_COMPILER 350 ACPI_INIT_GLOBAL(char *, acpi_gbl_current_inline_comment, NULL); 351 ACPI_INIT_GLOBAL(char *, acpi_gbl_current_end_node_comment, NULL); 352 ACPI_INIT_GLOBAL(char *, acpi_gbl_current_open_brace_comment, NULL); 353 ACPI_INIT_GLOBAL(char *, acpi_gbl_current_close_brace_comment, NULL); 354 355 ACPI_INIT_GLOBAL(char *, acpi_gbl_root_filename, NULL); 356 ACPI_INIT_GLOBAL(char *, acpi_gbl_current_filename, NULL); 357 ACPI_INIT_GLOBAL(char *, acpi_gbl_current_parent_filename, NULL); 358 ACPI_INIT_GLOBAL(char *, acpi_gbl_current_include_filename, NULL); 359 360 ACPI_INIT_GLOBAL(struct acpi_comment_node, *acpi_gbl_def_blk_comment_list_head, 361 NULL); 362 ACPI_INIT_GLOBAL(struct acpi_comment_node, *acpi_gbl_def_blk_comment_list_tail, 363 NULL); 364 ACPI_INIT_GLOBAL(struct acpi_comment_node, *acpi_gbl_reg_comment_list_head, 365 NULL); 366 ACPI_INIT_GLOBAL(struct acpi_comment_node, *acpi_gbl_reg_comment_list_tail, 367 NULL); 368 ACPI_INIT_GLOBAL(struct acpi_comment_node, *acpi_gbl_inc_comment_list_head, 369 NULL); 370 ACPI_INIT_GLOBAL(struct acpi_comment_node, *acpi_gbl_inc_comment_list_tail, 371 NULL); 372 ACPI_INIT_GLOBAL(struct acpi_comment_node, *acpi_gbl_end_blk_comment_list_head, 373 NULL); 374 ACPI_INIT_GLOBAL(struct acpi_comment_node, *acpi_gbl_end_blk_comment_list_tail, 375 NULL); 376 377 ACPI_INIT_GLOBAL(struct acpi_comment_addr_node, 378 *acpi_gbl_comment_addr_list_head, NULL); 379 ACPI_INIT_GLOBAL(struct acpi_file_node, *acpi_gbl_file_tree_root, NULL); 380 381 ACPI_GLOBAL(acpi_cache_t *, acpi_gbl_reg_comment_cache); 382 ACPI_GLOBAL(acpi_cache_t *, acpi_gbl_comment_addr_cache); 383 ACPI_GLOBAL(acpi_cache_t *, acpi_gbl_file_cache); 384 385 ACPI_INIT_GLOBAL(u8, acpi_gbl_debug_asl_conversion, FALSE); 386 ACPI_INIT_GLOBAL(ACPI_FILE, acpi_gbl_conv_debug_file, NULL); 387 ACPI_GLOBAL(char, acpi_gbl_table_sig[4]); 388 #endif 389 390 #ifdef ACPI_APPLICATION 391 ACPI_INIT_GLOBAL(ACPI_FILE, acpi_gbl_debug_file, NULL); 392 ACPI_INIT_GLOBAL(ACPI_FILE, acpi_gbl_output_file, NULL); 393 ACPI_INIT_GLOBAL(u8, acpi_gbl_debug_timeout, FALSE); 394 395 /* Print buffer */ 396 397 ACPI_GLOBAL(acpi_spinlock, acpi_gbl_print_lock); /* For print buffer */ 398 ACPI_GLOBAL(char, acpi_gbl_print_buffer[1024]); 399 #endif /* ACPI_APPLICATION */ 400 401 #endif /* __ACGLOBAL_H__ */ 402