LXR linux/drivers/acpi/acpica/acglobal.h

   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
  21ACPI_GLOBAL(struct acpi_table_list, acpi_gbl_root_table_list);
  22
  23/* DSDT information. Used to check for DSDT corruption */
  24
  25ACPI_GLOBAL(struct acpi_table_header *, acpi_gbl_DSDT);
  26ACPI_GLOBAL(struct acpi_table_header, acpi_gbl_original_dsdt_header);
  27ACPI_INIT_GLOBAL(u32, acpi_gbl_dsdt_index, ACPI_INVALID_TABLE_INDEX);
  28ACPI_INIT_GLOBAL(u32, acpi_gbl_facs_index, ACPI_INVALID_TABLE_INDEX);
  29ACPI_INIT_GLOBAL(u32, acpi_gbl_xfacs_index, ACPI_INVALID_TABLE_INDEX);
  30ACPI_INIT_GLOBAL(u32, acpi_gbl_fadt_index, ACPI_INVALID_TABLE_INDEX);
  31
  32#if (!ACPI_REDUCED_HARDWARE)
  33ACPI_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
  39ACPI_GLOBAL(struct acpi_generic_address, acpi_gbl_xpm1a_status);
  40ACPI_GLOBAL(struct acpi_generic_address, acpi_gbl_xpm1a_enable);
  41
  42ACPI_GLOBAL(struct acpi_generic_address, acpi_gbl_xpm1b_status);
  43ACPI_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 */
  50ACPI_GLOBAL(u8, acpi_gbl_integer_bit_width);
  51ACPI_GLOBAL(u8, acpi_gbl_integer_byte_width);
  52ACPI_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 */
  65ACPI_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 */
  72ACPI_GLOBAL(union acpi_operand_object *, acpi_gbl_global_lock_mutex);
  73ACPI_GLOBAL(acpi_semaphore, acpi_gbl_global_lock_semaphore);
  74ACPI_GLOBAL(acpi_spinlock, acpi_gbl_global_lock_pending_lock);
  75ACPI_GLOBAL(u16, acpi_gbl_global_lock_handle);
  76ACPI_GLOBAL(u8, acpi_gbl_global_lock_acquired);
  77ACPI_GLOBAL(u8, acpi_gbl_global_lock_present);
  78ACPI_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 */
  84ACPI_GLOBAL(acpi_spinlock, acpi_gbl_gpe_lock);  /* For GPE data structs and registers */
  85ACPI_GLOBAL(acpi_raw_spinlock, acpi_gbl_hardware_lock); /* For ACPI H/W except GPE registers */
  86ACPI_GLOBAL(acpi_spinlock, acpi_gbl_reference_count_lock);
  87
  88/* Mutex for _OSI support */
  89
  90ACPI_GLOBAL(acpi_mutex, acpi_gbl_osi_mutex);
  91
  92/* Reader/Writer lock is used for namespace walk and dynamic table unload */
  93
  94ACPI_GLOBAL(struct acpi_rw_lock, acpi_gbl_namespace_rw_lock);
  95
  96/*****************************************************************************
  97 *
  98 * Miscellaneous globals
  99 *
 100 ****************************************************************************/
 101
 102/* Object caches */
 103
 104ACPI_GLOBAL(acpi_cache_t *, acpi_gbl_namespace_cache);
 105ACPI_GLOBAL(acpi_cache_t *, acpi_gbl_state_cache);
 106ACPI_GLOBAL(acpi_cache_t *, acpi_gbl_ps_node_cache);
 107ACPI_GLOBAL(acpi_cache_t *, acpi_gbl_ps_node_ext_cache);
 108ACPI_GLOBAL(acpi_cache_t *, acpi_gbl_operand_cache);
 109
 110/* System */
 111
 112ACPI_INIT_GLOBAL(u32, acpi_gbl_startup_flags, 0);
 113ACPI_INIT_GLOBAL(u8, acpi_gbl_shutdown, TRUE);
 114ACPI_INIT_GLOBAL(u8, acpi_gbl_early_initialization, TRUE);
 115
 116/* Global handlers */
 117
 118ACPI_GLOBAL(struct acpi_global_notify_handler, acpi_gbl_global_notify[2]);
 119ACPI_GLOBAL(acpi_exception_handler, acpi_gbl_exception_handler);
 120ACPI_GLOBAL(acpi_init_handler, acpi_gbl_init_handler);
 121ACPI_GLOBAL(acpi_table_handler, acpi_gbl_table_handler);
 122ACPI_GLOBAL(void *, acpi_gbl_table_handler_context);
 123ACPI_GLOBAL(acpi_interface_handler, acpi_gbl_interface_handler);
 124ACPI_GLOBAL(struct acpi_sci_handler_info *, acpi_gbl_sci_handler_list);
 125
 126/* Owner ID support */
 127
 128ACPI_GLOBAL(u32, acpi_gbl_owner_id_mask[ACPI_NUM_OWNERID_MASKS]);
 129ACPI_GLOBAL(u8, acpi_gbl_last_owner_id_index);
 130ACPI_GLOBAL(u8, acpi_gbl_next_owner_id_offset);
 131
 132/* Initialization sequencing */
 133
 134ACPI_INIT_GLOBAL(u8, acpi_gbl_namespace_initialized, FALSE);
 135
 136/* Miscellaneous */
 137
 138ACPI_GLOBAL(u32, acpi_gbl_original_mode);
 139ACPI_GLOBAL(u32, acpi_gbl_ns_lookup_count);
 140ACPI_GLOBAL(u32, acpi_gbl_ps_find_count);
 141ACPI_GLOBAL(u16, acpi_gbl_pm1_enable_register_save);
 142ACPI_GLOBAL(u8, acpi_gbl_debugger_configuration);
 143ACPI_GLOBAL(u8, acpi_gbl_step_to_next_call);
 144ACPI_GLOBAL(u8, acpi_gbl_acpi_hardware_present);
 145ACPI_GLOBAL(u8, acpi_gbl_events_initialized);
 146ACPI_GLOBAL(struct acpi_interface_info *, acpi_gbl_supported_interfaces);
 147ACPI_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
 152extern const char *acpi_gbl_sleep_state_names[ACPI_S_STATE_COUNT];
 153extern const char *acpi_gbl_lowest_dstate_names[ACPI_NUM_sx_w_METHODS];
 154extern const char *acpi_gbl_highest_dstate_names[ACPI_NUM_sx_d_METHODS];
 155extern const char *acpi_gbl_region_types[ACPI_NUM_PREDEFINED_REGIONS];
 156extern const char acpi_gbl_lower_hex_digits[];
 157extern const char acpi_gbl_upper_hex_digits[];
 158extern 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
 163ACPI_GLOBAL(struct acpi_memory_list *, acpi_gbl_global_list);
 164ACPI_GLOBAL(struct acpi_memory_list *, acpi_gbl_ns_node_list);
 165ACPI_GLOBAL(u8, acpi_gbl_display_final_mem_stats);
 166ACPI_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
 181ACPI_GLOBAL(struct acpi_namespace_node, acpi_gbl_root_node_struct);
 182ACPI_GLOBAL(struct acpi_namespace_node *, acpi_gbl_root_node);
 183ACPI_GLOBAL(struct acpi_namespace_node *, acpi_gbl_fadt_gpe_device);
 184ACPI_GLOBAL(union acpi_operand_object *, acpi_gbl_module_code_list);
 185
 186extern const u8 acpi_gbl_ns_properties[ACPI_NUM_NS_TYPES];
 187extern const struct acpi_predefined_names
 188    acpi_gbl_pre_defined_names[NUM_PREDEFINED_NAMES];
 189
 190#ifdef ACPI_DEBUG_OUTPUT
 191ACPI_GLOBAL(u32, acpi_gbl_current_node_count);
 192ACPI_GLOBAL(u32, acpi_gbl_current_node_size);
 193ACPI_GLOBAL(u32, acpi_gbl_max_concurrent_node_count);
 194ACPI_GLOBAL(acpi_size *, acpi_gbl_entry_stack_pointer);
 195ACPI_GLOBAL(acpi_size *, acpi_gbl_lowest_stack_pointer);
 196ACPI_GLOBAL(u32, acpi_gbl_deepest_nesting);
 197ACPI_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
 208ACPI_GLOBAL(u8, acpi_gbl_cm_single_step);
 209ACPI_GLOBAL(struct acpi_thread_state *, acpi_gbl_current_walk_list);
 210ACPI_INIT_GLOBAL(union acpi_parse_object, *acpi_gbl_current_scope, NULL);
 211
 212/* ASL/ASL+ converter */
 213
 214ACPI_INIT_GLOBAL(u8, acpi_gbl_capture_comments, FALSE);
 215ACPI_INIT_GLOBAL(struct acpi_comment_node, *acpi_gbl_last_list_head, NULL);
 216
 217/*****************************************************************************
 218 *
 219 * Hardware globals
 220 *
 221 ****************************************************************************/
 222
 223extern struct acpi_bit_register_info
 224    acpi_gbl_bit_register_info[ACPI_NUM_BITREG];
 225ACPI_GLOBAL(u8, acpi_gbl_sleep_type_a);
 226ACPI_GLOBAL(u8, acpi_gbl_sleep_type_b);
 227
 228/*****************************************************************************
 229 *
 230 * Event and GPE globals
 231 *
 232 ****************************************************************************/
 233
 234#if (!ACPI_REDUCED_HARDWARE)
 235ACPI_GLOBAL(u8, acpi_gbl_all_gpes_initialized);
 236ACPI_GLOBAL(struct acpi_gpe_xrupt_info *, acpi_gbl_gpe_xrupt_list_head);
 237ACPI_GLOBAL(struct acpi_gpe_block_info *,
 238            acpi_gbl_gpe_fadt_blocks[ACPI_MAX_GPE_BLOCKS]);
 239ACPI_GLOBAL(acpi_gbl_event_handler, acpi_gbl_global_event_handler);
 240ACPI_GLOBAL(void *, acpi_gbl_global_event_handler_context);
 241ACPI_GLOBAL(struct acpi_fixed_event_handler,
 242            acpi_gbl_fixed_event_handlers[ACPI_NUM_FIXED_EVENTS]);
 243extern 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
 255ACPI_GLOBAL(u32, acpi_method_count);
 256ACPI_GLOBAL(u32, acpi_gpe_count);
 257ACPI_GLOBAL(u32, acpi_sci_count);
 258ACPI_GLOBAL(u32, acpi_fixed_event_count[ACPI_NUM_FIXED_EVENTS]);
 259
 260/* Dynamic control method tracing mechanism */
 261
 262ACPI_GLOBAL(u32, acpi_gbl_original_dbg_level);
 263ACPI_GLOBAL(u32, acpi_gbl_original_dbg_layer);
 264
 265/*****************************************************************************
 266 *
 267 * Debugger and Disassembler
 268 *
 269 ****************************************************************************/
 270
 271ACPI_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
 277ACPI_INIT_GLOBAL(u8, acpi_gbl_no_resource_disassembly, FALSE);
 278ACPI_INIT_GLOBAL(u8, acpi_gbl_ignore_noop_operator, FALSE);
 279ACPI_INIT_GLOBAL(u8, acpi_gbl_cstyle_disassembly, TRUE);
 280ACPI_INIT_GLOBAL(u8, acpi_gbl_force_aml_disassembly, FALSE);
 281ACPI_INIT_GLOBAL(u8, acpi_gbl_dm_opt_verbose, TRUE);
 282ACPI_INIT_GLOBAL(u8, acpi_gbl_dm_emit_external_opcodes, FALSE);
 283ACPI_INIT_GLOBAL(u8, acpi_gbl_do_disassembler_optimizations, TRUE);
 284ACPI_INIT_GLOBAL(ACPI_PARSE_OBJECT_LIST, *acpi_gbl_temp_list_head, NULL);
 285
 286ACPI_GLOBAL(u8, acpi_gbl_dm_opt_disasm);
 287ACPI_GLOBAL(u8, acpi_gbl_dm_opt_listing);
 288ACPI_GLOBAL(u8, acpi_gbl_num_external_methods);
 289ACPI_GLOBAL(u32, acpi_gbl_resolved_external_methods);
 290ACPI_GLOBAL(struct acpi_external_list *, acpi_gbl_external_list);
 291ACPI_GLOBAL(struct acpi_external_file *, acpi_gbl_external_file_list);
 292#endif
 293
 294#ifdef ACPI_DEBUGGER
 295ACPI_INIT_GLOBAL(u8, acpi_gbl_abort_method, FALSE);
 296ACPI_INIT_GLOBAL(acpi_thread_id, acpi_gbl_db_thread_id, ACPI_INVALID_THREAD_ID);
 297
 298ACPI_GLOBAL(u8, acpi_gbl_db_opt_no_ini_methods);
 299ACPI_GLOBAL(u8, acpi_gbl_db_opt_no_region_support);
 300ACPI_GLOBAL(u8, acpi_gbl_db_output_to_file);
 301ACPI_GLOBAL(char *, acpi_gbl_db_buffer);
 302ACPI_GLOBAL(char *, acpi_gbl_db_filename);
 303ACPI_GLOBAL(u32, acpi_gbl_db_debug_level);
 304ACPI_GLOBAL(u32, acpi_gbl_db_console_debug_level);
 305ACPI_GLOBAL(struct acpi_namespace_node *, acpi_gbl_db_scope_node);
 306ACPI_GLOBAL(u8, acpi_gbl_db_terminate_loop);
 307ACPI_GLOBAL(u8, acpi_gbl_db_threads_terminated);
 308ACPI_GLOBAL(char *, acpi_gbl_db_args[ACPI_DEBUGGER_MAX_ARGS]);
 309ACPI_GLOBAL(acpi_object_type, acpi_gbl_db_arg_types[ACPI_DEBUGGER_MAX_ARGS]);
 310
 311/* These buffers should all be the same size */
 312
 313ACPI_GLOBAL(char, acpi_gbl_db_parsed_buf[ACPI_DB_LINE_BUFFER_SIZE]);
 314ACPI_GLOBAL(char, acpi_gbl_db_scope_buf[ACPI_DB_LINE_BUFFER_SIZE]);
 315ACPI_GLOBAL(char, acpi_gbl_db_debug_filename[ACPI_DB_LINE_BUFFER_SIZE]);
 316
 317/* Statistics globals */
 318
 319ACPI_GLOBAL(u16, acpi_gbl_obj_type_count[ACPI_TOTAL_TYPES]);
 320ACPI_GLOBAL(u16, acpi_gbl_node_type_count[ACPI_TOTAL_TYPES]);
 321ACPI_GLOBAL(u16, acpi_gbl_obj_type_count_misc);
 322ACPI_GLOBAL(u16, acpi_gbl_node_type_count_misc);
 323ACPI_GLOBAL(u32, acpi_gbl_num_nodes);
 324ACPI_GLOBAL(u32, acpi_gbl_num_objects);
 325#endif                          /* ACPI_DEBUGGER */
 326
 327#if defined (ACPI_DISASSEMBLER) || defined (ACPI_ASL_COMPILER)
 328ACPI_GLOBAL(const char, *acpi_gbl_pld_panel_list[]);
 329ACPI_GLOBAL(const char, *acpi_gbl_pld_vertical_position_list[]);
 330ACPI_GLOBAL(const char, *acpi_gbl_pld_horizontal_position_list[]);
 331ACPI_GLOBAL(const char, *acpi_gbl_pld_shape_list[]);
 332ACPI_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
 344ACPI_INIT_GLOBAL(char *, acpi_gbl_current_inline_comment, NULL);
 345ACPI_INIT_GLOBAL(char *, acpi_gbl_current_end_node_comment, NULL);
 346ACPI_INIT_GLOBAL(char *, acpi_gbl_current_open_brace_comment, NULL);
 347ACPI_INIT_GLOBAL(char *, acpi_gbl_current_close_brace_comment, NULL);
 348
 349ACPI_INIT_GLOBAL(char *, acpi_gbl_root_filename, NULL);
 350ACPI_INIT_GLOBAL(char *, acpi_gbl_current_filename, NULL);
 351ACPI_INIT_GLOBAL(char *, acpi_gbl_current_parent_filename, NULL);
 352ACPI_INIT_GLOBAL(char *, acpi_gbl_current_include_filename, NULL);
 353
 354ACPI_INIT_GLOBAL(struct acpi_comment_node, *acpi_gbl_def_blk_comment_list_head,
 355                 NULL);
 356ACPI_INIT_GLOBAL(struct acpi_comment_node, *acpi_gbl_def_blk_comment_list_tail,
 357                 NULL);
 358ACPI_INIT_GLOBAL(struct acpi_comment_node, *acpi_gbl_reg_comment_list_head,
 359                 NULL);
 360ACPI_INIT_GLOBAL(struct acpi_comment_node, *acpi_gbl_reg_comment_list_tail,
 361                 NULL);
 362ACPI_INIT_GLOBAL(struct acpi_comment_node, *acpi_gbl_inc_comment_list_head,
 363                 NULL);
 364ACPI_INIT_GLOBAL(struct acpi_comment_node, *acpi_gbl_inc_comment_list_tail,
 365                 NULL);
 366ACPI_INIT_GLOBAL(struct acpi_comment_node, *acpi_gbl_end_blk_comment_list_head,
 367                 NULL);
 368ACPI_INIT_GLOBAL(struct acpi_comment_node, *acpi_gbl_end_blk_comment_list_tail,
 369                 NULL);
 370
 371ACPI_INIT_GLOBAL(struct acpi_comment_addr_node,
 372                 *acpi_gbl_comment_addr_list_head, NULL);
 373ACPI_INIT_GLOBAL(struct acpi_file_node, *acpi_gbl_file_tree_root, NULL);
 374
 375ACPI_GLOBAL(acpi_cache_t *, acpi_gbl_reg_comment_cache);
 376ACPI_GLOBAL(acpi_cache_t *, acpi_gbl_comment_addr_cache);
 377ACPI_GLOBAL(acpi_cache_t *, acpi_gbl_file_cache);
 378
 379ACPI_INIT_GLOBAL(u8, acpi_gbl_debug_asl_conversion, FALSE);
 380ACPI_INIT_GLOBAL(ACPI_FILE, acpi_gbl_conv_debug_file, NULL);
 381ACPI_GLOBAL(char, acpi_gbl_table_sig[4]);
 382#endif
 383
 384#ifdef ACPI_APPLICATION
 385ACPI_INIT_GLOBAL(ACPI_FILE, acpi_gbl_debug_file, NULL);
 386ACPI_INIT_GLOBAL(ACPI_FILE, acpi_gbl_output_file, NULL);
 387ACPI_INIT_GLOBAL(u8, acpi_gbl_debug_timeout, FALSE);
 388
 389/* Print buffer */
 390
 391ACPI_GLOBAL(acpi_spinlock, acpi_gbl_print_lock);        /* For print buffer */
 392ACPI_GLOBAL(char, acpi_gbl_print_buffer[1024]);
 393#endif                          /* ACPI_APPLICATION */
 394
 395#endif                          /* __ACGLOBAL_H__ */
 396