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 - 2020, 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 ACPI_GLOBAL(u8, acpi_gbl_verbose_leak_dump); 168 #endif 169 170 /***************************************************************************** 171 * 172 * ACPI Namespace 173 * 174 ****************************************************************************/ 175 176 #define NUM_PREDEFINED_NAMES 10 177 178 ACPI_GLOBAL(struct acpi_namespace_node, acpi_gbl_root_node_struct); 179 ACPI_GLOBAL(struct acpi_namespace_node *, acpi_gbl_root_node); 180 ACPI_GLOBAL(struct acpi_namespace_node *, acpi_gbl_fadt_gpe_device); 181 182 extern const u8 acpi_gbl_ns_properties[ACPI_NUM_NS_TYPES]; 183 extern const struct acpi_predefined_names 184 acpi_gbl_pre_defined_names[NUM_PREDEFINED_NAMES]; 185 186 #ifdef ACPI_DEBUG_OUTPUT 187 ACPI_GLOBAL(u32, acpi_gbl_current_node_count); 188 ACPI_GLOBAL(u32, acpi_gbl_current_node_size); 189 ACPI_GLOBAL(u32, acpi_gbl_max_concurrent_node_count); 190 ACPI_GLOBAL(acpi_size *, acpi_gbl_entry_stack_pointer); 191 ACPI_GLOBAL(acpi_size *, acpi_gbl_lowest_stack_pointer); 192 ACPI_GLOBAL(u32, acpi_gbl_deepest_nesting); 193 ACPI_INIT_GLOBAL(u32, acpi_gbl_nesting_level, 0); 194 #endif 195 196 /***************************************************************************** 197 * 198 * Interpreter/Parser globals 199 * 200 ****************************************************************************/ 201 202 /* Control method single step flag */ 203 204 ACPI_GLOBAL(u8, acpi_gbl_cm_single_step); 205 ACPI_GLOBAL(struct acpi_thread_state *, acpi_gbl_current_walk_list); 206 ACPI_INIT_GLOBAL(union acpi_parse_object, *acpi_gbl_current_scope, NULL); 207 208 /* ASL/ASL+ converter */ 209 210 ACPI_INIT_GLOBAL(u8, acpi_gbl_capture_comments, FALSE); 211 ACPI_INIT_GLOBAL(struct acpi_comment_node, *acpi_gbl_last_list_head, NULL); 212 213 /***************************************************************************** 214 * 215 * Hardware globals 216 * 217 ****************************************************************************/ 218 219 extern struct acpi_bit_register_info 220 acpi_gbl_bit_register_info[ACPI_NUM_BITREG]; 221 ACPI_GLOBAL(u8, acpi_gbl_sleep_type_a); 222 ACPI_GLOBAL(u8, acpi_gbl_sleep_type_b); 223 224 /***************************************************************************** 225 * 226 * Event and GPE globals 227 * 228 ****************************************************************************/ 229 230 #if (!ACPI_REDUCED_HARDWARE) 231 ACPI_GLOBAL(u8, acpi_gbl_all_gpes_initialized); 232 ACPI_GLOBAL(struct acpi_gpe_xrupt_info *, acpi_gbl_gpe_xrupt_list_head); 233 ACPI_GLOBAL(struct acpi_gpe_block_info *, 234 acpi_gbl_gpe_fadt_blocks[ACPI_MAX_GPE_BLOCKS]); 235 ACPI_GLOBAL(acpi_gbl_event_handler, acpi_gbl_global_event_handler); 236 ACPI_GLOBAL(void *, acpi_gbl_global_event_handler_context); 237 ACPI_GLOBAL(struct acpi_fixed_event_handler, 238 acpi_gbl_fixed_event_handlers[ACPI_NUM_FIXED_EVENTS]); 239 extern struct acpi_fixed_event_info 240 acpi_gbl_fixed_event_info[ACPI_NUM_FIXED_EVENTS]; 241 #endif /* !ACPI_REDUCED_HARDWARE */ 242 243 /***************************************************************************** 244 * 245 * Debug support 246 * 247 ****************************************************************************/ 248 249 /* Event counters */ 250 251 ACPI_GLOBAL(u32, acpi_method_count); 252 ACPI_GLOBAL(u32, acpi_gpe_count); 253 ACPI_GLOBAL(u32, acpi_sci_count); 254 ACPI_GLOBAL(u32, acpi_fixed_event_count[ACPI_NUM_FIXED_EVENTS]); 255 256 /* Dynamic control method tracing mechanism */ 257 258 ACPI_GLOBAL(u32, acpi_gbl_original_dbg_level); 259 ACPI_GLOBAL(u32, acpi_gbl_original_dbg_layer); 260 261 /***************************************************************************** 262 * 263 * Debugger and Disassembler 264 * 265 ****************************************************************************/ 266 267 ACPI_INIT_GLOBAL(u8, acpi_gbl_db_output_flags, ACPI_DB_CONSOLE_OUTPUT); 268 269 #ifdef ACPI_DISASSEMBLER 270 271 /* Do not disassemble buffers to resource descriptors */ 272 273 ACPI_INIT_GLOBAL(u8, acpi_gbl_no_resource_disassembly, FALSE); 274 ACPI_INIT_GLOBAL(u8, acpi_gbl_ignore_noop_operator, FALSE); 275 ACPI_INIT_GLOBAL(u8, acpi_gbl_cstyle_disassembly, TRUE); 276 ACPI_INIT_GLOBAL(u8, acpi_gbl_force_aml_disassembly, FALSE); 277 ACPI_INIT_GLOBAL(u8, acpi_gbl_dm_opt_verbose, TRUE); 278 ACPI_INIT_GLOBAL(u8, acpi_gbl_dm_emit_external_opcodes, FALSE); 279 ACPI_INIT_GLOBAL(u8, acpi_gbl_do_disassembler_optimizations, TRUE); 280 ACPI_INIT_GLOBAL(ACPI_PARSE_OBJECT_LIST, *acpi_gbl_temp_list_head, NULL); 281 282 ACPI_GLOBAL(u8, acpi_gbl_dm_opt_disasm); 283 ACPI_GLOBAL(u8, acpi_gbl_dm_opt_listing); 284 ACPI_GLOBAL(u8, acpi_gbl_num_external_methods); 285 ACPI_GLOBAL(u32, acpi_gbl_resolved_external_methods); 286 ACPI_GLOBAL(struct acpi_external_list *, acpi_gbl_external_list); 287 ACPI_GLOBAL(struct acpi_external_file *, acpi_gbl_external_file_list); 288 #endif 289 290 #ifdef ACPI_DEBUGGER 291 ACPI_INIT_GLOBAL(u8, acpi_gbl_abort_method, FALSE); 292 ACPI_INIT_GLOBAL(acpi_thread_id, acpi_gbl_db_thread_id, ACPI_INVALID_THREAD_ID); 293 294 ACPI_GLOBAL(u8, acpi_gbl_db_opt_no_ini_methods); 295 ACPI_GLOBAL(u8, acpi_gbl_db_opt_no_region_support); 296 ACPI_GLOBAL(u8, acpi_gbl_db_output_to_file); 297 ACPI_GLOBAL(char *, acpi_gbl_db_buffer); 298 ACPI_GLOBAL(char *, acpi_gbl_db_filename); 299 ACPI_GLOBAL(u32, acpi_gbl_db_debug_level); 300 ACPI_GLOBAL(u32, acpi_gbl_db_console_debug_level); 301 ACPI_GLOBAL(struct acpi_namespace_node *, acpi_gbl_db_scope_node); 302 ACPI_GLOBAL(u8, acpi_gbl_db_terminate_loop); 303 ACPI_GLOBAL(u8, acpi_gbl_db_threads_terminated); 304 ACPI_GLOBAL(char *, acpi_gbl_db_args[ACPI_DEBUGGER_MAX_ARGS]); 305 ACPI_GLOBAL(acpi_object_type, acpi_gbl_db_arg_types[ACPI_DEBUGGER_MAX_ARGS]); 306 307 /* These buffers should all be the same size */ 308 309 ACPI_GLOBAL(char, acpi_gbl_db_parsed_buf[ACPI_DB_LINE_BUFFER_SIZE]); 310 ACPI_GLOBAL(char, acpi_gbl_db_scope_buf[ACPI_DB_LINE_BUFFER_SIZE]); 311 ACPI_GLOBAL(char, acpi_gbl_db_debug_filename[ACPI_DB_LINE_BUFFER_SIZE]); 312 313 /* Statistics globals */ 314 315 ACPI_GLOBAL(u16, acpi_gbl_obj_type_count[ACPI_TOTAL_TYPES]); 316 ACPI_GLOBAL(u16, acpi_gbl_node_type_count[ACPI_TOTAL_TYPES]); 317 ACPI_GLOBAL(u16, acpi_gbl_obj_type_count_misc); 318 ACPI_GLOBAL(u16, acpi_gbl_node_type_count_misc); 319 ACPI_GLOBAL(u32, acpi_gbl_num_nodes); 320 ACPI_GLOBAL(u32, acpi_gbl_num_objects); 321 #endif /* ACPI_DEBUGGER */ 322 323 #if defined (ACPI_DISASSEMBLER) || defined (ACPI_ASL_COMPILER) 324 ACPI_GLOBAL(const char, *acpi_gbl_pld_panel_list[]); 325 ACPI_GLOBAL(const char, *acpi_gbl_pld_vertical_position_list[]); 326 ACPI_GLOBAL(const char, *acpi_gbl_pld_horizontal_position_list[]); 327 ACPI_GLOBAL(const char, *acpi_gbl_pld_shape_list[]); 328 ACPI_INIT_GLOBAL(u8, acpi_gbl_disasm_flag, FALSE); 329 #endif 330 331 /***************************************************************************** 332 * 333 * ACPICA application-specific globals 334 * 335 ****************************************************************************/ 336 337 /* ASL-to-ASL+ conversion utility (implemented within the iASL compiler) */ 338 339 #ifdef ACPI_ASL_COMPILER 340 ACPI_INIT_GLOBAL(char *, acpi_gbl_current_inline_comment, NULL); 341 ACPI_INIT_GLOBAL(char *, acpi_gbl_current_end_node_comment, NULL); 342 ACPI_INIT_GLOBAL(char *, acpi_gbl_current_open_brace_comment, NULL); 343 ACPI_INIT_GLOBAL(char *, acpi_gbl_current_close_brace_comment, NULL); 344 345 ACPI_INIT_GLOBAL(char *, acpi_gbl_root_filename, NULL); 346 ACPI_INIT_GLOBAL(char *, acpi_gbl_current_filename, NULL); 347 ACPI_INIT_GLOBAL(char *, acpi_gbl_current_parent_filename, NULL); 348 ACPI_INIT_GLOBAL(char *, acpi_gbl_current_include_filename, NULL); 349 350 ACPI_INIT_GLOBAL(struct acpi_comment_node, *acpi_gbl_def_blk_comment_list_head, 351 NULL); 352 ACPI_INIT_GLOBAL(struct acpi_comment_node, *acpi_gbl_def_blk_comment_list_tail, 353 NULL); 354 ACPI_INIT_GLOBAL(struct acpi_comment_node, *acpi_gbl_reg_comment_list_head, 355 NULL); 356 ACPI_INIT_GLOBAL(struct acpi_comment_node, *acpi_gbl_reg_comment_list_tail, 357 NULL); 358 ACPI_INIT_GLOBAL(struct acpi_comment_node, *acpi_gbl_inc_comment_list_head, 359 NULL); 360 ACPI_INIT_GLOBAL(struct acpi_comment_node, *acpi_gbl_inc_comment_list_tail, 361 NULL); 362 ACPI_INIT_GLOBAL(struct acpi_comment_node, *acpi_gbl_end_blk_comment_list_head, 363 NULL); 364 ACPI_INIT_GLOBAL(struct acpi_comment_node, *acpi_gbl_end_blk_comment_list_tail, 365 NULL); 366 367 ACPI_INIT_GLOBAL(struct acpi_comment_addr_node, 368 *acpi_gbl_comment_addr_list_head, NULL); 369 ACPI_INIT_GLOBAL(struct acpi_file_node, *acpi_gbl_file_tree_root, NULL); 370 371 ACPI_GLOBAL(acpi_cache_t *, acpi_gbl_reg_comment_cache); 372 ACPI_GLOBAL(acpi_cache_t *, acpi_gbl_comment_addr_cache); 373 ACPI_GLOBAL(acpi_cache_t *, acpi_gbl_file_cache); 374 375 ACPI_INIT_GLOBAL(u8, acpi_gbl_debug_asl_conversion, FALSE); 376 ACPI_INIT_GLOBAL(ACPI_FILE, acpi_gbl_conv_debug_file, NULL); 377 ACPI_GLOBAL(char, acpi_gbl_table_sig[4]); 378 #endif 379 380 #ifdef ACPI_APPLICATION 381 ACPI_INIT_GLOBAL(ACPI_FILE, acpi_gbl_debug_file, NULL); 382 ACPI_INIT_GLOBAL(ACPI_FILE, acpi_gbl_output_file, NULL); 383 ACPI_INIT_GLOBAL(u8, acpi_gbl_debug_timeout, FALSE); 384 385 /* Print buffer */ 386 387 ACPI_GLOBAL(acpi_spinlock, acpi_gbl_print_lock); /* For print buffer */ 388 ACPI_GLOBAL(char, acpi_gbl_print_buffer[1024]); 389 #endif /* ACPI_APPLICATION */ 390 391 #endif /* __ACGLOBAL_H__ */ 392