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 - 2018, 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 /* 46 * Handle both ACPI 1.0 and ACPI 2.0+ Integer widths. The integer width is 47 * determined by the revision of the DSDT: If the DSDT revision is less than 48 * 2, use only the lower 32 bits of the internal 64-bit Integer. 49 */ 50 ACPI_GLOBAL(u8, acpi_gbl_integer_bit_width); 51 ACPI_GLOBAL(u8, acpi_gbl_integer_byte_width); 52 ACPI_GLOBAL(u8, acpi_gbl_integer_nybble_width); 53 54 /***************************************************************************** 55 * 56 * Mutual exclusion within the ACPICA subsystem 57 * 58 ****************************************************************************/ 59 60 /* 61 * Predefined mutex objects. This array contains the 62 * actual OS mutex handles, indexed by the local ACPI_MUTEX_HANDLEs. 63 * (The table maps local handles to the real OS handles) 64 */ 65 ACPI_GLOBAL(struct acpi_mutex_info, acpi_gbl_mutex_info[ACPI_NUM_MUTEX]); 66 67 /* 68 * Global lock mutex is an actual AML mutex object 69 * Global lock semaphore works in conjunction with the actual global lock 70 * Global lock spinlock is used for "pending" handshake 71 */ 72 ACPI_GLOBAL(union acpi_operand_object *, acpi_gbl_global_lock_mutex); 73 ACPI_GLOBAL(acpi_semaphore, acpi_gbl_global_lock_semaphore); 74 ACPI_GLOBAL(acpi_spinlock, acpi_gbl_global_lock_pending_lock); 75 ACPI_GLOBAL(u16, acpi_gbl_global_lock_handle); 76 ACPI_GLOBAL(u8, acpi_gbl_global_lock_acquired); 77 ACPI_GLOBAL(u8, acpi_gbl_global_lock_present); 78 ACPI_GLOBAL(u8, acpi_gbl_global_lock_pending); 79 80 /* 81 * Spinlocks are used for interfaces that can be possibly called at 82 * interrupt level 83 */ 84 ACPI_GLOBAL(acpi_spinlock, acpi_gbl_gpe_lock); /* For GPE data structs and registers */ 85 ACPI_GLOBAL(acpi_raw_spinlock, acpi_gbl_hardware_lock); /* For ACPI H/W except GPE registers */ 86 ACPI_GLOBAL(acpi_spinlock, acpi_gbl_reference_count_lock); 87 88 /* Mutex for _OSI support */ 89 90 ACPI_GLOBAL(acpi_mutex, acpi_gbl_osi_mutex); 91 92 /* Reader/Writer lock is used for namespace walk and dynamic table unload */ 93 94 ACPI_GLOBAL(struct acpi_rw_lock, acpi_gbl_namespace_rw_lock); 95 96 /***************************************************************************** 97 * 98 * Miscellaneous globals 99 * 100 ****************************************************************************/ 101 102 /* Object caches */ 103 104 ACPI_GLOBAL(acpi_cache_t *, acpi_gbl_namespace_cache); 105 ACPI_GLOBAL(acpi_cache_t *, acpi_gbl_state_cache); 106 ACPI_GLOBAL(acpi_cache_t *, acpi_gbl_ps_node_cache); 107 ACPI_GLOBAL(acpi_cache_t *, acpi_gbl_ps_node_ext_cache); 108 ACPI_GLOBAL(acpi_cache_t *, acpi_gbl_operand_cache); 109 110 /* System */ 111 112 ACPI_INIT_GLOBAL(u32, acpi_gbl_startup_flags, 0); 113 ACPI_INIT_GLOBAL(u8, acpi_gbl_shutdown, TRUE); 114 ACPI_INIT_GLOBAL(u8, acpi_gbl_early_initialization, TRUE); 115 116 /* Global handlers */ 117 118 ACPI_GLOBAL(struct acpi_global_notify_handler, acpi_gbl_global_notify[2]); 119 ACPI_GLOBAL(acpi_exception_handler, acpi_gbl_exception_handler); 120 ACPI_GLOBAL(acpi_init_handler, acpi_gbl_init_handler); 121 ACPI_GLOBAL(acpi_table_handler, acpi_gbl_table_handler); 122 ACPI_GLOBAL(void *, acpi_gbl_table_handler_context); 123 ACPI_GLOBAL(acpi_interface_handler, acpi_gbl_interface_handler); 124 ACPI_GLOBAL(struct acpi_sci_handler_info *, acpi_gbl_sci_handler_list); 125 126 /* Owner ID support */ 127 128 ACPI_GLOBAL(u32, acpi_gbl_owner_id_mask[ACPI_NUM_OWNERID_MASKS]); 129 ACPI_GLOBAL(u8, acpi_gbl_last_owner_id_index); 130 ACPI_GLOBAL(u8, acpi_gbl_next_owner_id_offset); 131 132 /* Initialization sequencing */ 133 134 ACPI_INIT_GLOBAL(u8, acpi_gbl_namespace_initialized, FALSE); 135 136 /* Miscellaneous */ 137 138 ACPI_GLOBAL(u32, acpi_gbl_original_mode); 139 ACPI_GLOBAL(u32, acpi_gbl_ns_lookup_count); 140 ACPI_GLOBAL(u32, acpi_gbl_ps_find_count); 141 ACPI_GLOBAL(u16, acpi_gbl_pm1_enable_register_save); 142 ACPI_GLOBAL(u8, acpi_gbl_debugger_configuration); 143 ACPI_GLOBAL(u8, acpi_gbl_step_to_next_call); 144 ACPI_GLOBAL(u8, acpi_gbl_acpi_hardware_present); 145 ACPI_GLOBAL(u8, acpi_gbl_events_initialized); 146 ACPI_GLOBAL(struct acpi_interface_info *, acpi_gbl_supported_interfaces); 147 ACPI_GLOBAL(struct acpi_address_range *, 148 acpi_gbl_address_range_list[ACPI_ADDRESS_RANGE_MAX]); 149 150 /* Other miscellaneous, declared and initialized in utglobal */ 151 152 extern const char *acpi_gbl_sleep_state_names[ACPI_S_STATE_COUNT]; 153 extern const char *acpi_gbl_lowest_dstate_names[ACPI_NUM_sx_w_METHODS]; 154 extern const char *acpi_gbl_highest_dstate_names[ACPI_NUM_sx_d_METHODS]; 155 extern const char *acpi_gbl_region_types[ACPI_NUM_PREDEFINED_REGIONS]; 156 extern const char acpi_gbl_lower_hex_digits[]; 157 extern const char acpi_gbl_upper_hex_digits[]; 158 extern const struct acpi_opcode_info acpi_gbl_aml_op_info[AML_NUM_OPCODES]; 159 160 /* Lists for tracking memory allocations (debug only) */ 161 162 #ifdef ACPI_DBG_TRACK_ALLOCATIONS 163 ACPI_GLOBAL(struct acpi_memory_list *, acpi_gbl_global_list); 164 ACPI_GLOBAL(struct acpi_memory_list *, acpi_gbl_ns_node_list); 165 ACPI_GLOBAL(u8, acpi_gbl_display_final_mem_stats); 166 ACPI_GLOBAL(u8, acpi_gbl_disable_mem_tracking); 167 #endif 168 169 /***************************************************************************** 170 * 171 * ACPI Namespace 172 * 173 ****************************************************************************/ 174 175 #if !defined (ACPI_NO_METHOD_EXECUTION) || defined (ACPI_CONSTANT_EVAL_ONLY) 176 #define NUM_PREDEFINED_NAMES 10 177 #else 178 #define NUM_PREDEFINED_NAMES 9 179 #endif 180 181 ACPI_GLOBAL(struct acpi_namespace_node, acpi_gbl_root_node_struct); 182 ACPI_GLOBAL(struct acpi_namespace_node *, acpi_gbl_root_node); 183 ACPI_GLOBAL(struct acpi_namespace_node *, acpi_gbl_fadt_gpe_device); 184 ACPI_GLOBAL(union acpi_operand_object *, acpi_gbl_module_code_list); 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); 227 228 /***************************************************************************** 229 * 230 * Event and GPE globals 231 * 232 ****************************************************************************/ 233 234 #if (!ACPI_REDUCED_HARDWARE) 235 ACPI_GLOBAL(u8, acpi_gbl_all_gpes_initialized); 236 ACPI_GLOBAL(struct acpi_gpe_xrupt_info *, acpi_gbl_gpe_xrupt_list_head); 237 ACPI_GLOBAL(struct acpi_gpe_block_info *, 238 acpi_gbl_gpe_fadt_blocks[ACPI_MAX_GPE_BLOCKS]); 239 ACPI_GLOBAL(acpi_gbl_event_handler, acpi_gbl_global_event_handler); 240 ACPI_GLOBAL(void *, acpi_gbl_global_event_handler_context); 241 ACPI_GLOBAL(struct acpi_fixed_event_handler, 242 acpi_gbl_fixed_event_handlers[ACPI_NUM_FIXED_EVENTS]); 243 extern struct acpi_fixed_event_info 244 acpi_gbl_fixed_event_info[ACPI_NUM_FIXED_EVENTS]; 245 #endif /* !ACPI_REDUCED_HARDWARE */ 246 247 /***************************************************************************** 248 * 249 * Debug support 250 * 251 ****************************************************************************/ 252 253 /* Event counters */ 254 255 ACPI_GLOBAL(u32, acpi_method_count); 256 ACPI_GLOBAL(u32, acpi_gpe_count); 257 ACPI_GLOBAL(u32, acpi_sci_count); 258 ACPI_GLOBAL(u32, acpi_fixed_event_count[ACPI_NUM_FIXED_EVENTS]); 259 260 /* Dynamic control method tracing mechanism */ 261 262 ACPI_GLOBAL(u32, acpi_gbl_original_dbg_level); 263 ACPI_GLOBAL(u32, acpi_gbl_original_dbg_layer); 264 265 /***************************************************************************** 266 * 267 * Debugger and Disassembler 268 * 269 ****************************************************************************/ 270 271 ACPI_INIT_GLOBAL(u8, acpi_gbl_db_output_flags, ACPI_DB_CONSOLE_OUTPUT); 272 273 #ifdef ACPI_DISASSEMBLER 274 275 /* Do not disassemble buffers to resource descriptors */ 276 277 ACPI_INIT_GLOBAL(u8, acpi_gbl_no_resource_disassembly, FALSE); 278 ACPI_INIT_GLOBAL(u8, acpi_gbl_ignore_noop_operator, FALSE); 279 ACPI_INIT_GLOBAL(u8, acpi_gbl_cstyle_disassembly, TRUE); 280 ACPI_INIT_GLOBAL(u8, acpi_gbl_force_aml_disassembly, FALSE); 281 ACPI_INIT_GLOBAL(u8, acpi_gbl_dm_opt_verbose, TRUE); 282 ACPI_INIT_GLOBAL(u8, acpi_gbl_dm_emit_external_opcodes, FALSE); 283 ACPI_INIT_GLOBAL(u8, acpi_gbl_do_disassembler_optimizations, TRUE); 284 ACPI_INIT_GLOBAL(ACPI_PARSE_OBJECT_LIST, *acpi_gbl_temp_list_head, NULL); 285 286 ACPI_GLOBAL(u8, acpi_gbl_dm_opt_disasm); 287 ACPI_GLOBAL(u8, acpi_gbl_dm_opt_listing); 288 ACPI_GLOBAL(u8, acpi_gbl_num_external_methods); 289 ACPI_GLOBAL(u32, acpi_gbl_resolved_external_methods); 290 ACPI_GLOBAL(struct acpi_external_list *, acpi_gbl_external_list); 291 ACPI_GLOBAL(struct acpi_external_file *, acpi_gbl_external_file_list); 292 #endif 293 294 #ifdef ACPI_DEBUGGER 295 ACPI_INIT_GLOBAL(u8, acpi_gbl_abort_method, FALSE); 296 ACPI_INIT_GLOBAL(acpi_thread_id, acpi_gbl_db_thread_id, ACPI_INVALID_THREAD_ID); 297 298 ACPI_GLOBAL(u8, acpi_gbl_db_opt_no_ini_methods); 299 ACPI_GLOBAL(u8, acpi_gbl_db_opt_no_region_support); 300 ACPI_GLOBAL(u8, acpi_gbl_db_output_to_file); 301 ACPI_GLOBAL(char *, acpi_gbl_db_buffer); 302 ACPI_GLOBAL(char *, acpi_gbl_db_filename); 303 ACPI_GLOBAL(u32, acpi_gbl_db_debug_level); 304 ACPI_GLOBAL(u32, acpi_gbl_db_console_debug_level); 305 ACPI_GLOBAL(struct acpi_namespace_node *, acpi_gbl_db_scope_node); 306 ACPI_GLOBAL(u8, acpi_gbl_db_terminate_loop); 307 ACPI_GLOBAL(u8, acpi_gbl_db_threads_terminated); 308 ACPI_GLOBAL(char *, acpi_gbl_db_args[ACPI_DEBUGGER_MAX_ARGS]); 309 ACPI_GLOBAL(acpi_object_type, acpi_gbl_db_arg_types[ACPI_DEBUGGER_MAX_ARGS]); 310 311 /* These buffers should all be the same size */ 312 313 ACPI_GLOBAL(char, acpi_gbl_db_parsed_buf[ACPI_DB_LINE_BUFFER_SIZE]); 314 ACPI_GLOBAL(char, acpi_gbl_db_scope_buf[ACPI_DB_LINE_BUFFER_SIZE]); 315 ACPI_GLOBAL(char, acpi_gbl_db_debug_filename[ACPI_DB_LINE_BUFFER_SIZE]); 316 317 /* Statistics globals */ 318 319 ACPI_GLOBAL(u16, acpi_gbl_obj_type_count[ACPI_TOTAL_TYPES]); 320 ACPI_GLOBAL(u16, acpi_gbl_node_type_count[ACPI_TOTAL_TYPES]); 321 ACPI_GLOBAL(u16, acpi_gbl_obj_type_count_misc); 322 ACPI_GLOBAL(u16, acpi_gbl_node_type_count_misc); 323 ACPI_GLOBAL(u32, acpi_gbl_num_nodes); 324 ACPI_GLOBAL(u32, acpi_gbl_num_objects); 325 #endif /* ACPI_DEBUGGER */ 326 327 #if defined (ACPI_DISASSEMBLER) || defined (ACPI_ASL_COMPILER) 328 ACPI_GLOBAL(const char, *acpi_gbl_pld_panel_list[]); 329 ACPI_GLOBAL(const char, *acpi_gbl_pld_vertical_position_list[]); 330 ACPI_GLOBAL(const char, *acpi_gbl_pld_horizontal_position_list[]); 331 ACPI_GLOBAL(const char, *acpi_gbl_pld_shape_list[]); 332 ACPI_INIT_GLOBAL(u8, acpi_gbl_disasm_flag, FALSE); 333 #endif 334 335 /***************************************************************************** 336 * 337 * ACPICA application-specific globals 338 * 339 ****************************************************************************/ 340 341 /* ASL-to-ASL+ conversion utility (implemented within the iASL compiler) */ 342 343 #ifdef ACPI_ASL_COMPILER 344 ACPI_INIT_GLOBAL(char *, acpi_gbl_current_inline_comment, NULL); 345 ACPI_INIT_GLOBAL(char *, acpi_gbl_current_end_node_comment, NULL); 346 ACPI_INIT_GLOBAL(char *, acpi_gbl_current_open_brace_comment, NULL); 347 ACPI_INIT_GLOBAL(char *, acpi_gbl_current_close_brace_comment, NULL); 348 349 ACPI_INIT_GLOBAL(char *, acpi_gbl_root_filename, NULL); 350 ACPI_INIT_GLOBAL(char *, acpi_gbl_current_filename, NULL); 351 ACPI_INIT_GLOBAL(char *, acpi_gbl_current_parent_filename, NULL); 352 ACPI_INIT_GLOBAL(char *, acpi_gbl_current_include_filename, NULL); 353 354 ACPI_INIT_GLOBAL(struct acpi_comment_node, *acpi_gbl_def_blk_comment_list_head, 355 NULL); 356 ACPI_INIT_GLOBAL(struct acpi_comment_node, *acpi_gbl_def_blk_comment_list_tail, 357 NULL); 358 ACPI_INIT_GLOBAL(struct acpi_comment_node, *acpi_gbl_reg_comment_list_head, 359 NULL); 360 ACPI_INIT_GLOBAL(struct acpi_comment_node, *acpi_gbl_reg_comment_list_tail, 361 NULL); 362 ACPI_INIT_GLOBAL(struct acpi_comment_node, *acpi_gbl_inc_comment_list_head, 363 NULL); 364 ACPI_INIT_GLOBAL(struct acpi_comment_node, *acpi_gbl_inc_comment_list_tail, 365 NULL); 366 ACPI_INIT_GLOBAL(struct acpi_comment_node, *acpi_gbl_end_blk_comment_list_head, 367 NULL); 368 ACPI_INIT_GLOBAL(struct acpi_comment_node, *acpi_gbl_end_blk_comment_list_tail, 369 NULL); 370 371 ACPI_INIT_GLOBAL(struct acpi_comment_addr_node, 372 *acpi_gbl_comment_addr_list_head, NULL); 373 ACPI_INIT_GLOBAL(struct acpi_file_node, *acpi_gbl_file_tree_root, NULL); 374 375 ACPI_GLOBAL(acpi_cache_t *, acpi_gbl_reg_comment_cache); 376 ACPI_GLOBAL(acpi_cache_t *, acpi_gbl_comment_addr_cache); 377 ACPI_GLOBAL(acpi_cache_t *, acpi_gbl_file_cache); 378 379 ACPI_INIT_GLOBAL(u8, acpi_gbl_debug_asl_conversion, FALSE); 380 ACPI_INIT_GLOBAL(ACPI_FILE, acpi_gbl_conv_debug_file, NULL); 381 ACPI_GLOBAL(char, acpi_gbl_table_sig[4]); 382 #endif 383 384 #ifdef ACPI_APPLICATION 385 ACPI_INIT_GLOBAL(ACPI_FILE, acpi_gbl_debug_file, NULL); 386 ACPI_INIT_GLOBAL(ACPI_FILE, acpi_gbl_output_file, NULL); 387 ACPI_INIT_GLOBAL(u8, acpi_gbl_debug_timeout, FALSE); 388 389 /* Print buffer */ 390 391 ACPI_GLOBAL(acpi_spinlock, acpi_gbl_print_lock); /* For print buffer */ 392 ACPI_GLOBAL(char, acpi_gbl_print_buffer[1024]); 393 #endif /* ACPI_APPLICATION */ 394 395 #endif /* __ACGLOBAL_H__ */ 396