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