1 /****************************************************************************** 2 * 3 * Name: acglobal.h - Declarations for global variables 4 * 5 *****************************************************************************/ 6 7 /* 8 * Copyright (C) 2000 - 2016, Intel Corp. 9 * All rights reserved. 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted provided that the following conditions 13 * are met: 14 * 1. Redistributions of source code must retain the above copyright 15 * notice, this list of conditions, and the following disclaimer, 16 * without modification. 17 * 2. Redistributions in binary form must reproduce at minimum a disclaimer 18 * substantially similar to the "NO WARRANTY" disclaimer below 19 * ("Disclaimer") and any redistribution must be conditioned upon 20 * including a substantially similar Disclaimer requirement for further 21 * binary redistribution. 22 * 3. Neither the names of the above-listed copyright holders nor the names 23 * of any contributors may be used to endorse or promote products derived 24 * from this software without specific prior written permission. 25 * 26 * Alternatively, this software may be distributed under the terms of the 27 * GNU General Public License ("GPL") version 2 as published by the Free 28 * Software Foundation. 29 * 30 * NO WARRANTY 31 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 32 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 33 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR 34 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 35 * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 36 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 37 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 38 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 39 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 40 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 41 * POSSIBILITY OF SUCH DAMAGES. 42 */ 43 44 #ifndef __ACGLOBAL_H__ 45 #define __ACGLOBAL_H__ 46 47 /***************************************************************************** 48 * 49 * Globals related to the ACPI tables 50 * 51 ****************************************************************************/ 52 53 /* Master list of all ACPI tables that were found in the RSDT/XSDT */ 54 55 ACPI_GLOBAL(struct acpi_table_list, acpi_gbl_root_table_list); 56 57 /* DSDT information. Used to check for DSDT corruption */ 58 59 ACPI_GLOBAL(struct acpi_table_header *, acpi_gbl_DSDT); 60 ACPI_GLOBAL(struct acpi_table_header, acpi_gbl_original_dsdt_header); 61 ACPI_INIT_GLOBAL(u32, acpi_gbl_dsdt_index, ACPI_INVALID_TABLE_INDEX); 62 ACPI_INIT_GLOBAL(u32, acpi_gbl_facs_index, ACPI_INVALID_TABLE_INDEX); 63 ACPI_INIT_GLOBAL(u32, acpi_gbl_xfacs_index, ACPI_INVALID_TABLE_INDEX); 64 ACPI_INIT_GLOBAL(u32, acpi_gbl_fadt_index, ACPI_INVALID_TABLE_INDEX); 65 66 #if (!ACPI_REDUCED_HARDWARE) 67 ACPI_GLOBAL(struct acpi_table_facs *, acpi_gbl_FACS); 68 69 #endif /* !ACPI_REDUCED_HARDWARE */ 70 71 /* These addresses are calculated from the FADT Event Block addresses */ 72 73 ACPI_GLOBAL(struct acpi_generic_address, acpi_gbl_xpm1a_status); 74 ACPI_GLOBAL(struct acpi_generic_address, acpi_gbl_xpm1a_enable); 75 76 ACPI_GLOBAL(struct acpi_generic_address, acpi_gbl_xpm1b_status); 77 ACPI_GLOBAL(struct acpi_generic_address, acpi_gbl_xpm1b_enable); 78 79 /* 80 * Handle both ACPI 1.0 and ACPI 2.0+ Integer widths. The integer width is 81 * determined by the revision of the DSDT: If the DSDT revision is less than 82 * 2, use only the lower 32 bits of the internal 64-bit Integer. 83 */ 84 ACPI_GLOBAL(u8, acpi_gbl_integer_bit_width); 85 ACPI_GLOBAL(u8, acpi_gbl_integer_byte_width); 86 ACPI_GLOBAL(u8, acpi_gbl_integer_nybble_width); 87 88 /***************************************************************************** 89 * 90 * Mutual exclusion within ACPICA subsystem 91 * 92 ****************************************************************************/ 93 94 /* 95 * Predefined mutex objects. This array contains the 96 * actual OS mutex handles, indexed by the local ACPI_MUTEX_HANDLEs. 97 * (The table maps local handles to the real OS handles) 98 */ 99 ACPI_GLOBAL(struct acpi_mutex_info, acpi_gbl_mutex_info[ACPI_NUM_MUTEX]); 100 101 /* 102 * Global lock mutex is an actual AML mutex object 103 * Global lock semaphore works in conjunction with the actual global lock 104 * Global lock spinlock is used for "pending" handshake 105 */ 106 ACPI_GLOBAL(union acpi_operand_object *, acpi_gbl_global_lock_mutex); 107 ACPI_GLOBAL(acpi_semaphore, acpi_gbl_global_lock_semaphore); 108 ACPI_GLOBAL(acpi_spinlock, acpi_gbl_global_lock_pending_lock); 109 ACPI_GLOBAL(u16, acpi_gbl_global_lock_handle); 110 ACPI_GLOBAL(u8, acpi_gbl_global_lock_acquired); 111 ACPI_GLOBAL(u8, acpi_gbl_global_lock_present); 112 ACPI_GLOBAL(u8, acpi_gbl_global_lock_pending); 113 114 /* 115 * Spinlocks are used for interfaces that can be possibly called at 116 * interrupt level 117 */ 118 ACPI_GLOBAL(acpi_spinlock, acpi_gbl_gpe_lock); /* For GPE data structs and registers */ 119 ACPI_GLOBAL(acpi_spinlock, acpi_gbl_hardware_lock); /* For ACPI H/W except GPE registers */ 120 ACPI_GLOBAL(acpi_spinlock, acpi_gbl_reference_count_lock); 121 122 /* Mutex for _OSI support */ 123 124 ACPI_GLOBAL(acpi_mutex, acpi_gbl_osi_mutex); 125 126 /* Reader/Writer lock is used for namespace walk and dynamic table unload */ 127 128 ACPI_GLOBAL(struct acpi_rw_lock, acpi_gbl_namespace_rw_lock); 129 130 /***************************************************************************** 131 * 132 * Miscellaneous globals 133 * 134 ****************************************************************************/ 135 136 /* Object caches */ 137 138 ACPI_GLOBAL(acpi_cache_t *, acpi_gbl_namespace_cache); 139 ACPI_GLOBAL(acpi_cache_t *, acpi_gbl_state_cache); 140 ACPI_GLOBAL(acpi_cache_t *, acpi_gbl_ps_node_cache); 141 ACPI_GLOBAL(acpi_cache_t *, acpi_gbl_ps_node_ext_cache); 142 ACPI_GLOBAL(acpi_cache_t *, acpi_gbl_operand_cache); 143 144 /* System */ 145 146 ACPI_INIT_GLOBAL(u32, acpi_gbl_startup_flags, 0); 147 ACPI_INIT_GLOBAL(u8, acpi_gbl_shutdown, TRUE); 148 ACPI_INIT_GLOBAL(u8, acpi_gbl_early_initialization, TRUE); 149 150 /* Global handlers */ 151 152 ACPI_GLOBAL(struct acpi_global_notify_handler, acpi_gbl_global_notify[2]); 153 ACPI_GLOBAL(acpi_exception_handler, acpi_gbl_exception_handler); 154 ACPI_GLOBAL(acpi_init_handler, acpi_gbl_init_handler); 155 ACPI_GLOBAL(acpi_table_handler, acpi_gbl_table_handler); 156 ACPI_GLOBAL(void *, acpi_gbl_table_handler_context); 157 ACPI_GLOBAL(acpi_interface_handler, acpi_gbl_interface_handler); 158 ACPI_GLOBAL(struct acpi_sci_handler_info *, acpi_gbl_sci_handler_list); 159 160 /* Owner ID support */ 161 162 ACPI_GLOBAL(u32, acpi_gbl_owner_id_mask[ACPI_NUM_OWNERID_MASKS]); 163 ACPI_GLOBAL(u8, acpi_gbl_last_owner_id_index); 164 ACPI_GLOBAL(u8, acpi_gbl_next_owner_id_offset); 165 166 /* Initialization sequencing */ 167 168 ACPI_INIT_GLOBAL(u8, acpi_gbl_namespace_initialized, FALSE); 169 170 /* Misc */ 171 172 ACPI_GLOBAL(u32, acpi_gbl_original_mode); 173 ACPI_GLOBAL(u32, acpi_gbl_ns_lookup_count); 174 ACPI_GLOBAL(u32, acpi_gbl_ps_find_count); 175 ACPI_GLOBAL(u16, acpi_gbl_pm1_enable_register_save); 176 ACPI_GLOBAL(u8, acpi_gbl_debugger_configuration); 177 ACPI_GLOBAL(u8, acpi_gbl_step_to_next_call); 178 ACPI_GLOBAL(u8, acpi_gbl_acpi_hardware_present); 179 ACPI_GLOBAL(u8, acpi_gbl_events_initialized); 180 ACPI_GLOBAL(struct acpi_interface_info *, acpi_gbl_supported_interfaces); 181 ACPI_GLOBAL(struct acpi_address_range *, 182 acpi_gbl_address_range_list[ACPI_ADDRESS_RANGE_MAX]); 183 184 /* Other miscellaneous, declared and initialized in utglobal */ 185 186 extern const char *acpi_gbl_sleep_state_names[ACPI_S_STATE_COUNT]; 187 extern const char *acpi_gbl_lowest_dstate_names[ACPI_NUM_sx_w_METHODS]; 188 extern const char *acpi_gbl_highest_dstate_names[ACPI_NUM_sx_d_METHODS]; 189 extern const char *acpi_gbl_region_types[ACPI_NUM_PREDEFINED_REGIONS]; 190 extern const char acpi_gbl_lower_hex_digits[]; 191 extern const char acpi_gbl_upper_hex_digits[]; 192 extern const struct acpi_opcode_info acpi_gbl_aml_op_info[AML_NUM_OPCODES]; 193 194 #ifdef ACPI_DBG_TRACK_ALLOCATIONS 195 196 /* Lists for tracking memory allocations (debug only) */ 197 198 ACPI_GLOBAL(struct acpi_memory_list *, acpi_gbl_global_list); 199 ACPI_GLOBAL(struct acpi_memory_list *, acpi_gbl_ns_node_list); 200 ACPI_GLOBAL(u8, acpi_gbl_display_final_mem_stats); 201 ACPI_GLOBAL(u8, acpi_gbl_disable_mem_tracking); 202 #endif 203 204 /***************************************************************************** 205 * 206 * Namespace globals 207 * 208 ****************************************************************************/ 209 210 #if !defined (ACPI_NO_METHOD_EXECUTION) || defined (ACPI_CONSTANT_EVAL_ONLY) 211 #define NUM_PREDEFINED_NAMES 10 212 #else 213 #define NUM_PREDEFINED_NAMES 9 214 #endif 215 216 ACPI_GLOBAL(struct acpi_namespace_node, acpi_gbl_root_node_struct); 217 ACPI_GLOBAL(struct acpi_namespace_node *, acpi_gbl_root_node); 218 ACPI_GLOBAL(struct acpi_namespace_node *, acpi_gbl_fadt_gpe_device); 219 ACPI_GLOBAL(union acpi_operand_object *, acpi_gbl_module_code_list); 220 221 extern const u8 acpi_gbl_ns_properties[ACPI_NUM_NS_TYPES]; 222 extern const struct acpi_predefined_names 223 acpi_gbl_pre_defined_names[NUM_PREDEFINED_NAMES]; 224 225 #ifdef ACPI_DEBUG_OUTPUT 226 ACPI_GLOBAL(u32, acpi_gbl_current_node_count); 227 ACPI_GLOBAL(u32, acpi_gbl_current_node_size); 228 ACPI_GLOBAL(u32, acpi_gbl_max_concurrent_node_count); 229 ACPI_GLOBAL(acpi_size *, acpi_gbl_entry_stack_pointer); 230 ACPI_GLOBAL(acpi_size *, acpi_gbl_lowest_stack_pointer); 231 ACPI_GLOBAL(u32, acpi_gbl_deepest_nesting); 232 ACPI_INIT_GLOBAL(u32, acpi_gbl_nesting_level, 0); 233 #endif 234 235 /***************************************************************************** 236 * 237 * Interpreter globals 238 * 239 ****************************************************************************/ 240 241 ACPI_GLOBAL(struct acpi_thread_state *, acpi_gbl_current_walk_list); 242 243 /* Maximum number of While() loop iterations before forced abort */ 244 245 ACPI_GLOBAL(u16, acpi_gbl_max_loop_iterations); 246 247 /* Control method single step flag */ 248 249 ACPI_GLOBAL(u8, acpi_gbl_cm_single_step); 250 251 /***************************************************************************** 252 * 253 * Hardware globals 254 * 255 ****************************************************************************/ 256 257 extern struct acpi_bit_register_info 258 acpi_gbl_bit_register_info[ACPI_NUM_BITREG]; 259 260 ACPI_GLOBAL(u8, acpi_gbl_sleep_type_a); 261 ACPI_GLOBAL(u8, acpi_gbl_sleep_type_b); 262 263 /***************************************************************************** 264 * 265 * Event and GPE globals 266 * 267 ****************************************************************************/ 268 269 #if (!ACPI_REDUCED_HARDWARE) 270 271 ACPI_GLOBAL(u8, acpi_gbl_all_gpes_initialized); 272 ACPI_GLOBAL(struct acpi_gpe_xrupt_info *, acpi_gbl_gpe_xrupt_list_head); 273 ACPI_GLOBAL(struct acpi_gpe_block_info *, 274 acpi_gbl_gpe_fadt_blocks[ACPI_MAX_GPE_BLOCKS]); 275 ACPI_GLOBAL(acpi_gbl_event_handler, acpi_gbl_global_event_handler); 276 ACPI_GLOBAL(void *, acpi_gbl_global_event_handler_context); 277 ACPI_GLOBAL(struct acpi_fixed_event_handler, 278 acpi_gbl_fixed_event_handlers[ACPI_NUM_FIXED_EVENTS]); 279 280 extern struct acpi_fixed_event_info 281 acpi_gbl_fixed_event_info[ACPI_NUM_FIXED_EVENTS]; 282 283 #endif /* !ACPI_REDUCED_HARDWARE */ 284 285 /***************************************************************************** 286 * 287 * Debug support 288 * 289 ****************************************************************************/ 290 291 /* Event counters */ 292 293 ACPI_GLOBAL(u32, acpi_method_count); 294 ACPI_GLOBAL(u32, acpi_gpe_count); 295 ACPI_GLOBAL(u32, acpi_sci_count); 296 ACPI_GLOBAL(u32, acpi_fixed_event_count[ACPI_NUM_FIXED_EVENTS]); 297 298 /* Support for dynamic control method tracing mechanism */ 299 300 ACPI_GLOBAL(u32, acpi_gbl_original_dbg_level); 301 ACPI_GLOBAL(u32, acpi_gbl_original_dbg_layer); 302 303 /***************************************************************************** 304 * 305 * Debugger and Disassembler globals 306 * 307 ****************************************************************************/ 308 309 ACPI_INIT_GLOBAL(u8, acpi_gbl_db_output_flags, ACPI_DB_CONSOLE_OUTPUT); 310 311 #ifdef ACPI_DISASSEMBLER 312 313 /* Do not disassemble buffers to resource descriptors */ 314 315 ACPI_INIT_GLOBAL(u8, acpi_gbl_no_resource_disassembly, FALSE); 316 ACPI_INIT_GLOBAL(u8, acpi_gbl_ignore_noop_operator, FALSE); 317 ACPI_INIT_GLOBAL(u8, acpi_gbl_cstyle_disassembly, TRUE); 318 ACPI_INIT_GLOBAL(u8, acpi_gbl_force_aml_disassembly, FALSE); 319 ACPI_INIT_GLOBAL(u8, acpi_gbl_dm_opt_verbose, TRUE); 320 ACPI_INIT_GLOBAL(u8, acpi_gbl_dm_emit_external_opcodes, FALSE); 321 322 ACPI_GLOBAL(u8, acpi_gbl_dm_opt_disasm); 323 ACPI_GLOBAL(u8, acpi_gbl_dm_opt_listing); 324 ACPI_GLOBAL(u8, acpi_gbl_num_external_methods); 325 ACPI_GLOBAL(u32, acpi_gbl_resolved_external_methods); 326 ACPI_GLOBAL(struct acpi_external_list *, acpi_gbl_external_list); 327 ACPI_GLOBAL(struct acpi_external_file *, acpi_gbl_external_file_list); 328 #endif 329 330 #ifdef ACPI_DEBUGGER 331 332 ACPI_INIT_GLOBAL(u8, acpi_gbl_abort_method, FALSE); 333 ACPI_INIT_GLOBAL(acpi_thread_id, acpi_gbl_db_thread_id, ACPI_INVALID_THREAD_ID); 334 335 ACPI_GLOBAL(u8, acpi_gbl_db_opt_no_ini_methods); 336 ACPI_GLOBAL(u8, acpi_gbl_db_opt_no_region_support); 337 ACPI_GLOBAL(u8, acpi_gbl_db_output_to_file); 338 ACPI_GLOBAL(char *, acpi_gbl_db_buffer); 339 ACPI_GLOBAL(char *, acpi_gbl_db_filename); 340 ACPI_GLOBAL(u32, acpi_gbl_db_debug_level); 341 ACPI_GLOBAL(u32, acpi_gbl_db_console_debug_level); 342 ACPI_GLOBAL(struct acpi_namespace_node *, acpi_gbl_db_scope_node); 343 ACPI_GLOBAL(u8, acpi_gbl_db_terminate_loop); 344 ACPI_GLOBAL(u8, acpi_gbl_db_threads_terminated); 345 346 ACPI_GLOBAL(char *, acpi_gbl_db_args[ACPI_DEBUGGER_MAX_ARGS]); 347 ACPI_GLOBAL(acpi_object_type, acpi_gbl_db_arg_types[ACPI_DEBUGGER_MAX_ARGS]); 348 349 /* These buffers should all be the same size */ 350 351 ACPI_GLOBAL(char, acpi_gbl_db_parsed_buf[ACPI_DB_LINE_BUFFER_SIZE]); 352 ACPI_GLOBAL(char, acpi_gbl_db_scope_buf[ACPI_DB_LINE_BUFFER_SIZE]); 353 ACPI_GLOBAL(char, acpi_gbl_db_debug_filename[ACPI_DB_LINE_BUFFER_SIZE]); 354 355 /* 356 * Statistic globals 357 */ 358 ACPI_GLOBAL(u16, acpi_gbl_obj_type_count[ACPI_TOTAL_TYPES]); 359 ACPI_GLOBAL(u16, acpi_gbl_node_type_count[ACPI_TOTAL_TYPES]); 360 ACPI_GLOBAL(u16, acpi_gbl_obj_type_count_misc); 361 ACPI_GLOBAL(u16, acpi_gbl_node_type_count_misc); 362 ACPI_GLOBAL(u32, acpi_gbl_num_nodes); 363 ACPI_GLOBAL(u32, acpi_gbl_num_objects); 364 365 #endif /* ACPI_DEBUGGER */ 366 367 #if defined (ACPI_DISASSEMBLER) || defined (ACPI_ASL_COMPILER) 368 369 ACPI_GLOBAL(const char, *acpi_gbl_pld_panel_list[]); 370 ACPI_GLOBAL(const char, *acpi_gbl_pld_vertical_position_list[]); 371 ACPI_GLOBAL(const char, *acpi_gbl_pld_horizontal_position_list[]); 372 ACPI_GLOBAL(const char, *acpi_gbl_pld_shape_list[]); 373 374 #endif 375 376 /***************************************************************************** 377 * 378 * Application globals 379 * 380 ****************************************************************************/ 381 382 #ifdef ACPI_APPLICATION 383 384 ACPI_INIT_GLOBAL(ACPI_FILE, acpi_gbl_debug_file, NULL); 385 ACPI_INIT_GLOBAL(ACPI_FILE, acpi_gbl_output_file, NULL); 386 ACPI_INIT_GLOBAL(u8, acpi_gbl_debug_timeout, FALSE); 387 388 /* Print buffer */ 389 390 ACPI_GLOBAL(acpi_spinlock, acpi_gbl_print_lock); /* For print buffer */ 391 ACPI_GLOBAL(char, acpi_gbl_print_buffer[1024]); 392 393 #endif /* ACPI_APPLICATION */ 394 395 /***************************************************************************** 396 * 397 * Info/help support 398 * 399 ****************************************************************************/ 400 401 extern const struct ah_predefined_name asl_predefined_info[]; 402 extern const struct ah_device_id asl_device_ids[]; 403 404 #endif /* __ACGLOBAL_H__ */ 405