1 /****************************************************************************** 2 * 3 * Name: acglobal.h - Declarations for global variables 4 * 5 *****************************************************************************/ 6 7 /* 8 * Copyright (C) 2000 - 2015, 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 62 #if (!ACPI_REDUCED_HARDWARE) 63 ACPI_GLOBAL(struct acpi_table_facs *, acpi_gbl_FACS); 64 ACPI_GLOBAL(struct acpi_table_facs *, acpi_gbl_facs32); 65 ACPI_GLOBAL(struct acpi_table_facs *, acpi_gbl_facs64); 66 67 #endif /* !ACPI_REDUCED_HARDWARE */ 68 69 /* These addresses are calculated from the FADT Event Block addresses */ 70 71 ACPI_GLOBAL(struct acpi_generic_address, acpi_gbl_xpm1a_status); 72 ACPI_GLOBAL(struct acpi_generic_address, acpi_gbl_xpm1a_enable); 73 74 ACPI_GLOBAL(struct acpi_generic_address, acpi_gbl_xpm1b_status); 75 ACPI_GLOBAL(struct acpi_generic_address, acpi_gbl_xpm1b_enable); 76 77 /* 78 * Handle both ACPI 1.0 and ACPI 2.0+ Integer widths. The integer width is 79 * determined by the revision of the DSDT: If the DSDT revision is less than 80 * 2, use only the lower 32 bits of the internal 64-bit Integer. 81 */ 82 ACPI_GLOBAL(u8, acpi_gbl_integer_bit_width); 83 ACPI_GLOBAL(u8, acpi_gbl_integer_byte_width); 84 ACPI_GLOBAL(u8, acpi_gbl_integer_nybble_width); 85 86 /***************************************************************************** 87 * 88 * Mutual exclusion within ACPICA subsystem 89 * 90 ****************************************************************************/ 91 92 /* 93 * Predefined mutex objects. This array contains the 94 * actual OS mutex handles, indexed by the local ACPI_MUTEX_HANDLEs. 95 * (The table maps local handles to the real OS handles) 96 */ 97 ACPI_GLOBAL(struct acpi_mutex_info, acpi_gbl_mutex_info[ACPI_NUM_MUTEX]); 98 99 /* 100 * Global lock mutex is an actual AML mutex object 101 * Global lock semaphore works in conjunction with the actual global lock 102 * Global lock spinlock is used for "pending" handshake 103 */ 104 ACPI_GLOBAL(union acpi_operand_object *, acpi_gbl_global_lock_mutex); 105 ACPI_GLOBAL(acpi_semaphore, acpi_gbl_global_lock_semaphore); 106 ACPI_GLOBAL(acpi_spinlock, acpi_gbl_global_lock_pending_lock); 107 ACPI_GLOBAL(u16, acpi_gbl_global_lock_handle); 108 ACPI_GLOBAL(u8, acpi_gbl_global_lock_acquired); 109 ACPI_GLOBAL(u8, acpi_gbl_global_lock_present); 110 ACPI_GLOBAL(u8, acpi_gbl_global_lock_pending); 111 112 /* 113 * Spinlocks are used for interfaces that can be possibly called at 114 * interrupt level 115 */ 116 ACPI_GLOBAL(acpi_spinlock, acpi_gbl_gpe_lock); /* For GPE data structs and registers */ 117 ACPI_GLOBAL(acpi_spinlock, acpi_gbl_hardware_lock); /* For ACPI H/W except GPE registers */ 118 ACPI_GLOBAL(acpi_spinlock, acpi_gbl_reference_count_lock); 119 120 /* Mutex for _OSI support */ 121 122 ACPI_GLOBAL(acpi_mutex, acpi_gbl_osi_mutex); 123 124 /* Reader/Writer lock is used for namespace walk and dynamic table unload */ 125 126 ACPI_GLOBAL(struct acpi_rw_lock, acpi_gbl_namespace_rw_lock); 127 128 /***************************************************************************** 129 * 130 * Miscellaneous globals 131 * 132 ****************************************************************************/ 133 134 /* Object caches */ 135 136 ACPI_GLOBAL(acpi_cache_t *, acpi_gbl_namespace_cache); 137 ACPI_GLOBAL(acpi_cache_t *, acpi_gbl_state_cache); 138 ACPI_GLOBAL(acpi_cache_t *, acpi_gbl_ps_node_cache); 139 ACPI_GLOBAL(acpi_cache_t *, acpi_gbl_ps_node_ext_cache); 140 ACPI_GLOBAL(acpi_cache_t *, acpi_gbl_operand_cache); 141 142 /* System */ 143 144 ACPI_INIT_GLOBAL(u32, acpi_gbl_startup_flags, 0); 145 ACPI_INIT_GLOBAL(u8, acpi_gbl_shutdown, TRUE); 146 147 /* Global handlers */ 148 149 ACPI_GLOBAL(struct acpi_global_notify_handler, acpi_gbl_global_notify[2]); 150 ACPI_GLOBAL(acpi_exception_handler, acpi_gbl_exception_handler); 151 ACPI_GLOBAL(acpi_init_handler, acpi_gbl_init_handler); 152 ACPI_GLOBAL(acpi_table_handler, acpi_gbl_table_handler); 153 ACPI_GLOBAL(void *, acpi_gbl_table_handler_context); 154 ACPI_GLOBAL(acpi_interface_handler, acpi_gbl_interface_handler); 155 ACPI_GLOBAL(struct acpi_sci_handler_info *, acpi_gbl_sci_handler_list); 156 157 /* Owner ID support */ 158 159 ACPI_GLOBAL(u32, acpi_gbl_owner_id_mask[ACPI_NUM_OWNERID_MASKS]); 160 ACPI_GLOBAL(u8, acpi_gbl_last_owner_id_index); 161 ACPI_GLOBAL(u8, acpi_gbl_next_owner_id_offset); 162 163 /* Initialization sequencing */ 164 165 ACPI_GLOBAL(u8, acpi_gbl_reg_methods_executed); 166 167 /* Misc */ 168 169 ACPI_GLOBAL(u32, acpi_gbl_original_mode); 170 ACPI_GLOBAL(u32, acpi_gbl_ns_lookup_count); 171 ACPI_GLOBAL(u32, acpi_gbl_ps_find_count); 172 ACPI_GLOBAL(u16, acpi_gbl_pm1_enable_register_save); 173 ACPI_GLOBAL(u8, acpi_gbl_debugger_configuration); 174 ACPI_GLOBAL(u8, acpi_gbl_step_to_next_call); 175 ACPI_GLOBAL(u8, acpi_gbl_acpi_hardware_present); 176 ACPI_GLOBAL(u8, acpi_gbl_events_initialized); 177 ACPI_GLOBAL(struct acpi_interface_info *, acpi_gbl_supported_interfaces); 178 ACPI_GLOBAL(struct acpi_address_range *, 179 acpi_gbl_address_range_list[ACPI_ADDRESS_RANGE_MAX]); 180 181 /* Other miscellaneous, declared and initialized in utglobal */ 182 183 extern const char *acpi_gbl_sleep_state_names[ACPI_S_STATE_COUNT]; 184 extern const char *acpi_gbl_lowest_dstate_names[ACPI_NUM_sx_w_METHODS]; 185 extern const char *acpi_gbl_highest_dstate_names[ACPI_NUM_sx_d_METHODS]; 186 extern const char *acpi_gbl_region_types[ACPI_NUM_PREDEFINED_REGIONS]; 187 extern const struct acpi_opcode_info acpi_gbl_aml_op_info[AML_NUM_OPCODES]; 188 189 #ifdef ACPI_DBG_TRACK_ALLOCATIONS 190 191 /* Lists for tracking memory allocations (debug only) */ 192 193 ACPI_GLOBAL(struct acpi_memory_list *, acpi_gbl_global_list); 194 ACPI_GLOBAL(struct acpi_memory_list *, acpi_gbl_ns_node_list); 195 ACPI_GLOBAL(u8, acpi_gbl_display_final_mem_stats); 196 ACPI_GLOBAL(u8, acpi_gbl_disable_mem_tracking); 197 #endif 198 199 /***************************************************************************** 200 * 201 * Namespace globals 202 * 203 ****************************************************************************/ 204 205 #if !defined (ACPI_NO_METHOD_EXECUTION) || defined (ACPI_CONSTANT_EVAL_ONLY) 206 #define NUM_PREDEFINED_NAMES 10 207 #else 208 #define NUM_PREDEFINED_NAMES 9 209 #endif 210 211 ACPI_GLOBAL(struct acpi_namespace_node, acpi_gbl_root_node_struct); 212 ACPI_GLOBAL(struct acpi_namespace_node *, acpi_gbl_root_node); 213 ACPI_GLOBAL(struct acpi_namespace_node *, acpi_gbl_fadt_gpe_device); 214 ACPI_GLOBAL(union acpi_operand_object *, acpi_gbl_module_code_list); 215 216 extern const u8 acpi_gbl_ns_properties[ACPI_NUM_NS_TYPES]; 217 extern const struct acpi_predefined_names 218 acpi_gbl_pre_defined_names[NUM_PREDEFINED_NAMES]; 219 220 #ifdef ACPI_DEBUG_OUTPUT 221 ACPI_GLOBAL(u32, acpi_gbl_current_node_count); 222 ACPI_GLOBAL(u32, acpi_gbl_current_node_size); 223 ACPI_GLOBAL(u32, acpi_gbl_max_concurrent_node_count); 224 ACPI_GLOBAL(acpi_size *, acpi_gbl_entry_stack_pointer); 225 ACPI_GLOBAL(acpi_size *, acpi_gbl_lowest_stack_pointer); 226 ACPI_GLOBAL(u32, acpi_gbl_deepest_nesting); 227 ACPI_INIT_GLOBAL(u32, acpi_gbl_nesting_level, 0); 228 #endif 229 230 /***************************************************************************** 231 * 232 * Interpreter globals 233 * 234 ****************************************************************************/ 235 236 ACPI_GLOBAL(struct acpi_thread_state *, acpi_gbl_current_walk_list); 237 238 /* Control method single step flag */ 239 240 ACPI_GLOBAL(u8, acpi_gbl_cm_single_step); 241 242 /***************************************************************************** 243 * 244 * Hardware globals 245 * 246 ****************************************************************************/ 247 248 extern struct acpi_bit_register_info 249 acpi_gbl_bit_register_info[ACPI_NUM_BITREG]; 250 251 ACPI_GLOBAL(u8, acpi_gbl_sleep_type_a); 252 ACPI_GLOBAL(u8, acpi_gbl_sleep_type_b); 253 254 /***************************************************************************** 255 * 256 * Event and GPE globals 257 * 258 ****************************************************************************/ 259 260 #if (!ACPI_REDUCED_HARDWARE) 261 262 ACPI_GLOBAL(u8, acpi_gbl_all_gpes_initialized); 263 ACPI_GLOBAL(struct acpi_gpe_xrupt_info *, acpi_gbl_gpe_xrupt_list_head); 264 ACPI_GLOBAL(struct acpi_gpe_block_info *, 265 acpi_gbl_gpe_fadt_blocks[ACPI_MAX_GPE_BLOCKS]); 266 ACPI_GLOBAL(acpi_gbl_event_handler, acpi_gbl_global_event_handler); 267 ACPI_GLOBAL(void *, acpi_gbl_global_event_handler_context); 268 ACPI_GLOBAL(struct acpi_fixed_event_handler, 269 acpi_gbl_fixed_event_handlers[ACPI_NUM_FIXED_EVENTS]); 270 271 extern struct acpi_fixed_event_info 272 acpi_gbl_fixed_event_info[ACPI_NUM_FIXED_EVENTS]; 273 274 #endif /* !ACPI_REDUCED_HARDWARE */ 275 276 /***************************************************************************** 277 * 278 * Debug support 279 * 280 ****************************************************************************/ 281 282 /* Event counters */ 283 284 ACPI_GLOBAL(u32, acpi_method_count); 285 ACPI_GLOBAL(u32, acpi_gpe_count); 286 ACPI_GLOBAL(u32, acpi_sci_count); 287 ACPI_GLOBAL(u32, acpi_fixed_event_count[ACPI_NUM_FIXED_EVENTS]); 288 289 /* Support for dynamic control method tracing mechanism */ 290 291 ACPI_GLOBAL(u32, acpi_gbl_original_dbg_level); 292 ACPI_GLOBAL(u32, acpi_gbl_original_dbg_layer); 293 ACPI_GLOBAL(u32, acpi_gbl_trace_dbg_level); 294 ACPI_GLOBAL(u32, acpi_gbl_trace_dbg_layer); 295 296 /***************************************************************************** 297 * 298 * Debugger and Disassembler globals 299 * 300 ****************************************************************************/ 301 302 ACPI_INIT_GLOBAL(u8, acpi_gbl_db_output_flags, ACPI_DB_CONSOLE_OUTPUT); 303 304 #ifdef ACPI_DISASSEMBLER 305 306 /* Do not disassemble buffers to resource descriptors */ 307 308 ACPI_INIT_GLOBAL(u8, acpi_gbl_no_resource_disassembly, FALSE); 309 ACPI_INIT_GLOBAL(u8, acpi_gbl_ignore_noop_operator, FALSE); 310 ACPI_INIT_GLOBAL(u8, acpi_gbl_cstyle_disassembly, TRUE); 311 ACPI_INIT_GLOBAL(u8, acpi_gbl_force_aml_disassembly, FALSE); 312 313 ACPI_GLOBAL(u8, acpi_gbl_db_opt_disasm); 314 ACPI_GLOBAL(u8, acpi_gbl_db_opt_verbose); 315 ACPI_GLOBAL(u8, acpi_gbl_num_external_methods); 316 ACPI_GLOBAL(u32, acpi_gbl_resolved_external_methods); 317 ACPI_GLOBAL(struct acpi_external_list *, acpi_gbl_external_list); 318 ACPI_GLOBAL(struct acpi_external_file *, acpi_gbl_external_file_list); 319 #endif 320 321 #ifdef ACPI_DEBUGGER 322 323 ACPI_INIT_GLOBAL(u8, acpi_gbl_db_terminate_threads, FALSE); 324 ACPI_INIT_GLOBAL(u8, acpi_gbl_abort_method, FALSE); 325 ACPI_INIT_GLOBAL(u8, acpi_gbl_method_executing, FALSE); 326 327 ACPI_GLOBAL(u8, acpi_gbl_db_opt_no_ini_methods); 328 ACPI_GLOBAL(u8, acpi_gbl_db_opt_no_region_support); 329 ACPI_GLOBAL(u8, acpi_gbl_db_output_to_file); 330 ACPI_GLOBAL(char *, acpi_gbl_db_buffer); 331 ACPI_GLOBAL(char *, acpi_gbl_db_filename); 332 ACPI_GLOBAL(u32, acpi_gbl_db_debug_level); 333 ACPI_GLOBAL(u32, acpi_gbl_db_console_debug_level); 334 ACPI_GLOBAL(struct acpi_namespace_node *, acpi_gbl_db_scope_node); 335 336 ACPI_GLOBAL(char *, acpi_gbl_db_args[ACPI_DEBUGGER_MAX_ARGS]); 337 ACPI_GLOBAL(acpi_object_type, acpi_gbl_db_arg_types[ACPI_DEBUGGER_MAX_ARGS]); 338 339 /* These buffers should all be the same size */ 340 341 ACPI_GLOBAL(char, acpi_gbl_db_line_buf[ACPI_DB_LINE_BUFFER_SIZE]); 342 ACPI_GLOBAL(char, acpi_gbl_db_parsed_buf[ACPI_DB_LINE_BUFFER_SIZE]); 343 ACPI_GLOBAL(char, acpi_gbl_db_scope_buf[ACPI_DB_LINE_BUFFER_SIZE]); 344 ACPI_GLOBAL(char, acpi_gbl_db_debug_filename[ACPI_DB_LINE_BUFFER_SIZE]); 345 346 /* 347 * Statistic globals 348 */ 349 ACPI_GLOBAL(u16, acpi_gbl_obj_type_count[ACPI_TYPE_NS_NODE_MAX + 1]); 350 ACPI_GLOBAL(u16, acpi_gbl_node_type_count[ACPI_TYPE_NS_NODE_MAX + 1]); 351 ACPI_GLOBAL(u16, acpi_gbl_obj_type_count_misc); 352 ACPI_GLOBAL(u16, acpi_gbl_node_type_count_misc); 353 ACPI_GLOBAL(u32, acpi_gbl_num_nodes); 354 ACPI_GLOBAL(u32, acpi_gbl_num_objects); 355 356 #endif /* ACPI_DEBUGGER */ 357 358 /***************************************************************************** 359 * 360 * Application globals 361 * 362 ****************************************************************************/ 363 364 #ifdef ACPI_APPLICATION 365 366 ACPI_INIT_GLOBAL(ACPI_FILE, acpi_gbl_debug_file, NULL); 367 ACPI_INIT_GLOBAL(ACPI_FILE, acpi_gbl_output_file, NULL); 368 369 /* Print buffer */ 370 371 ACPI_GLOBAL(acpi_spinlock, acpi_gbl_print_lock); /* For print buffer */ 372 ACPI_GLOBAL(char, acpi_gbl_print_buffer[1024]); 373 374 #endif /* ACPI_APPLICATION */ 375 376 /***************************************************************************** 377 * 378 * Info/help support 379 * 380 ****************************************************************************/ 381 382 extern const struct ah_predefined_name asl_predefined_info[]; 383 extern const struct ah_device_id asl_device_ids[]; 384 385 #endif /* __ACGLOBAL_H__ */ 386