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
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#ifdef ACPI_GPE_USE_LOGICAL_ADDRESSES
46ACPI_GLOBAL(unsigned long, acpi_gbl_xgpe0_block_logical_address);
47ACPI_GLOBAL(unsigned long, acpi_gbl_xgpe1_block_logical_address);
48
49#endif				/* ACPI_GPE_USE_LOGICAL_ADDRESSES */
50
51/*
52 * Handle both ACPI 1.0 and ACPI 2.0+ Integer widths. The integer width is
53 * determined by the revision of the DSDT: If the DSDT revision is less than
54 * 2, use only the lower 32 bits of the internal 64-bit Integer.
55 */
56ACPI_GLOBAL(u8, acpi_gbl_integer_bit_width);
57ACPI_GLOBAL(u8, acpi_gbl_integer_byte_width);
58ACPI_GLOBAL(u8, acpi_gbl_integer_nybble_width);
59
60/*****************************************************************************
61 *
62 * Mutual exclusion within the ACPICA subsystem
63 *
64 ****************************************************************************/
65
66/*
67 * Predefined mutex objects. This array contains the
68 * actual OS mutex handles, indexed by the local ACPI_MUTEX_HANDLEs.
69 * (The table maps local handles to the real OS handles)
70 */
71ACPI_GLOBAL(struct acpi_mutex_info, acpi_gbl_mutex_info[ACPI_NUM_MUTEX]);
72
73/*
74 * Global lock mutex is an actual AML mutex object
75 * Global lock semaphore works in conjunction with the actual global lock
76 * Global lock spinlock is used for "pending" handshake
77 */
78ACPI_GLOBAL(union acpi_operand_object *, acpi_gbl_global_lock_mutex);
79ACPI_GLOBAL(acpi_semaphore, acpi_gbl_global_lock_semaphore);
80ACPI_GLOBAL(acpi_spinlock, acpi_gbl_global_lock_pending_lock);
81ACPI_GLOBAL(u16, acpi_gbl_global_lock_handle);
82ACPI_GLOBAL(u8, acpi_gbl_global_lock_acquired);
83ACPI_GLOBAL(u8, acpi_gbl_global_lock_present);
84ACPI_GLOBAL(u8, acpi_gbl_global_lock_pending);
85
86/*
87 * Spinlocks are used for interfaces that can be possibly called at
88 * interrupt level
89 */
90ACPI_GLOBAL(acpi_spinlock, acpi_gbl_gpe_lock);	/* For GPE data structs and registers */
91ACPI_GLOBAL(acpi_raw_spinlock, acpi_gbl_hardware_lock);	/* For ACPI H/W except GPE registers */
92ACPI_GLOBAL(acpi_spinlock, acpi_gbl_reference_count_lock);
93
94/* Mutex for _OSI support */
95
96ACPI_GLOBAL(acpi_mutex, acpi_gbl_osi_mutex);
97
98/* Reader/Writer lock is used for namespace walk and dynamic table unload */
99
100ACPI_GLOBAL(struct acpi_rw_lock, acpi_gbl_namespace_rw_lock);
101
102/*****************************************************************************
103 *
104 * Miscellaneous globals
105 *
106 ****************************************************************************/
107
108/* Object caches */
109
110ACPI_GLOBAL(acpi_cache_t *, acpi_gbl_namespace_cache);
111ACPI_GLOBAL(acpi_cache_t *, acpi_gbl_state_cache);
112ACPI_GLOBAL(acpi_cache_t *, acpi_gbl_ps_node_cache);
113ACPI_GLOBAL(acpi_cache_t *, acpi_gbl_ps_node_ext_cache);
114ACPI_GLOBAL(acpi_cache_t *, acpi_gbl_operand_cache);
115
116/* System */
117
118ACPI_INIT_GLOBAL(u32, acpi_gbl_startup_flags, 0);
119ACPI_INIT_GLOBAL(u8, acpi_gbl_shutdown, TRUE);
120ACPI_INIT_GLOBAL(u8, acpi_gbl_early_initialization, TRUE);
121
122/* Global handlers */
123
124ACPI_GLOBAL(struct acpi_global_notify_handler, acpi_gbl_global_notify[2]);
125ACPI_GLOBAL(acpi_exception_handler, acpi_gbl_exception_handler);
126ACPI_GLOBAL(acpi_init_handler, acpi_gbl_init_handler);
127ACPI_GLOBAL(acpi_table_handler, acpi_gbl_table_handler);
128ACPI_GLOBAL(void *, acpi_gbl_table_handler_context);
129ACPI_GLOBAL(acpi_interface_handler, acpi_gbl_interface_handler);
130ACPI_GLOBAL(struct acpi_sci_handler_info *, acpi_gbl_sci_handler_list);
131
132/* Owner ID support */
133
134ACPI_GLOBAL(u32, acpi_gbl_owner_id_mask[ACPI_NUM_OWNERID_MASKS]);
135ACPI_GLOBAL(u8, acpi_gbl_last_owner_id_index);
136ACPI_GLOBAL(u8, acpi_gbl_next_owner_id_offset);
137
138/* Initialization sequencing */
139
140ACPI_INIT_GLOBAL(u8, acpi_gbl_namespace_initialized, FALSE);
141
142/* Miscellaneous */
143
144ACPI_GLOBAL(u32, acpi_gbl_original_mode);
145ACPI_GLOBAL(u32, acpi_gbl_ns_lookup_count);
146ACPI_GLOBAL(u32, acpi_gbl_ps_find_count);
147ACPI_GLOBAL(u16, acpi_gbl_pm1_enable_register_save);
148ACPI_GLOBAL(u8, acpi_gbl_debugger_configuration);
149ACPI_GLOBAL(u8, acpi_gbl_step_to_next_call);
150ACPI_GLOBAL(u8, acpi_gbl_acpi_hardware_present);
151ACPI_GLOBAL(u8, acpi_gbl_events_initialized);
152ACPI_GLOBAL(struct acpi_interface_info *, acpi_gbl_supported_interfaces);
153ACPI_GLOBAL(struct acpi_address_range *,
154	    acpi_gbl_address_range_list[ACPI_ADDRESS_RANGE_MAX]);
155
156/* Other miscellaneous, declared and initialized in utglobal */
157
158extern const char *acpi_gbl_sleep_state_names[ACPI_S_STATE_COUNT];
159extern const char *acpi_gbl_lowest_dstate_names[ACPI_NUM_sx_w_METHODS];
160extern const char *acpi_gbl_highest_dstate_names[ACPI_NUM_sx_d_METHODS];
161extern const char *acpi_gbl_region_types[ACPI_NUM_PREDEFINED_REGIONS];
162extern const char acpi_gbl_lower_hex_digits[];
163extern const char acpi_gbl_upper_hex_digits[];
164extern const struct acpi_opcode_info acpi_gbl_aml_op_info[AML_NUM_OPCODES];
165
166/* Lists for tracking memory allocations (debug only) */
167
168#ifdef ACPI_DBG_TRACK_ALLOCATIONS
169ACPI_GLOBAL(struct acpi_memory_list *, acpi_gbl_global_list);
170ACPI_GLOBAL(struct acpi_memory_list *, acpi_gbl_ns_node_list);
171ACPI_GLOBAL(u8, acpi_gbl_display_final_mem_stats);
172ACPI_GLOBAL(u8, acpi_gbl_disable_mem_tracking);
173ACPI_GLOBAL(u8, acpi_gbl_verbose_leak_dump);
174#endif
175
176/*****************************************************************************
177 *
178 * ACPI Namespace
179 *
180 ****************************************************************************/
181
182#define NUM_PREDEFINED_NAMES            10
183
184ACPI_GLOBAL(struct acpi_namespace_node, acpi_gbl_root_node_struct);
185ACPI_GLOBAL(struct acpi_namespace_node *, acpi_gbl_root_node);
186ACPI_GLOBAL(struct acpi_namespace_node *, acpi_gbl_fadt_gpe_device);
187
188extern const u8 acpi_gbl_ns_properties[ACPI_NUM_NS_TYPES];
189extern const struct acpi_predefined_names
190    acpi_gbl_pre_defined_names[NUM_PREDEFINED_NAMES];
191
192#ifdef ACPI_DEBUG_OUTPUT
193ACPI_GLOBAL(u32, acpi_gbl_current_node_count);
194ACPI_GLOBAL(u32, acpi_gbl_current_node_size);
195ACPI_GLOBAL(u32, acpi_gbl_max_concurrent_node_count);
196ACPI_GLOBAL(acpi_size *, acpi_gbl_entry_stack_pointer);
197ACPI_GLOBAL(acpi_size *, acpi_gbl_lowest_stack_pointer);
198ACPI_GLOBAL(u32, acpi_gbl_deepest_nesting);
199ACPI_INIT_GLOBAL(u32, acpi_gbl_nesting_level, 0);
200#endif
201
202/*****************************************************************************
203 *
204 * Interpreter/Parser globals
205 *
206 ****************************************************************************/
207
208/* Control method single step flag */
209
210ACPI_GLOBAL(u8, acpi_gbl_cm_single_step);
211ACPI_GLOBAL(struct acpi_thread_state *, acpi_gbl_current_walk_list);
212ACPI_INIT_GLOBAL(union acpi_parse_object, *acpi_gbl_current_scope, NULL);
213
214/* ASL/ASL+ converter */
215
216ACPI_INIT_GLOBAL(u8, acpi_gbl_capture_comments, FALSE);
217ACPI_INIT_GLOBAL(struct acpi_comment_node, *acpi_gbl_last_list_head, NULL);
218
219/*****************************************************************************
220 *
221 * Hardware globals
222 *
223 ****************************************************************************/
224
225extern struct acpi_bit_register_info
226    acpi_gbl_bit_register_info[ACPI_NUM_BITREG];
227ACPI_GLOBAL(u8, acpi_gbl_sleep_type_a);
228ACPI_GLOBAL(u8, acpi_gbl_sleep_type_b);
229ACPI_GLOBAL(u8, acpi_gbl_sleep_type_a_s0);
230ACPI_GLOBAL(u8, acpi_gbl_sleep_type_b_s0);
231
232/*****************************************************************************
233 *
234 * Event and GPE globals
235 *
236 ****************************************************************************/
237
238#if (!ACPI_REDUCED_HARDWARE)
239ACPI_GLOBAL(u8, acpi_gbl_all_gpes_initialized);
240ACPI_GLOBAL(struct acpi_gpe_xrupt_info *, acpi_gbl_gpe_xrupt_list_head);
241ACPI_GLOBAL(struct acpi_gpe_block_info *,
242	    acpi_gbl_gpe_fadt_blocks[ACPI_MAX_GPE_BLOCKS]);
243ACPI_GLOBAL(acpi_gbl_event_handler, acpi_gbl_global_event_handler);
244ACPI_GLOBAL(void *, acpi_gbl_global_event_handler_context);
245ACPI_GLOBAL(struct acpi_fixed_event_handler,
246	    acpi_gbl_fixed_event_handlers[ACPI_NUM_FIXED_EVENTS]);
247extern struct acpi_fixed_event_info
248    acpi_gbl_fixed_event_info[ACPI_NUM_FIXED_EVENTS];
249#endif				/* !ACPI_REDUCED_HARDWARE */
250
251/*****************************************************************************
252 *
253 * Debug support
254 *
255 ****************************************************************************/
256
257/* Event counters */
258
259ACPI_GLOBAL(u32, acpi_method_count);
260ACPI_GLOBAL(u32, acpi_gpe_count);
261ACPI_GLOBAL(u32, acpi_sci_count);
262ACPI_GLOBAL(u32, acpi_fixed_event_count[ACPI_NUM_FIXED_EVENTS]);
263
264/* Dynamic control method tracing mechanism */
265
266ACPI_GLOBAL(u32, acpi_gbl_original_dbg_level);
267ACPI_GLOBAL(u32, acpi_gbl_original_dbg_layer);
268
269/*****************************************************************************
270 *
271 * Debugger and Disassembler
272 *
273 ****************************************************************************/
274
275ACPI_INIT_GLOBAL(u8, acpi_gbl_db_output_flags, ACPI_DB_CONSOLE_OUTPUT);
276
277#ifdef ACPI_DISASSEMBLER
278
279/* Do not disassemble buffers to resource descriptors */
280
281ACPI_INIT_GLOBAL(u8, acpi_gbl_no_resource_disassembly, FALSE);
282ACPI_INIT_GLOBAL(u8, acpi_gbl_ignore_noop_operator, FALSE);
283ACPI_INIT_GLOBAL(u8, acpi_gbl_cstyle_disassembly, TRUE);
284ACPI_INIT_GLOBAL(u8, acpi_gbl_force_aml_disassembly, FALSE);
285ACPI_INIT_GLOBAL(u8, acpi_gbl_dm_opt_verbose, TRUE);
286ACPI_INIT_GLOBAL(u8, acpi_gbl_dm_emit_external_opcodes, FALSE);
287ACPI_INIT_GLOBAL(u8, acpi_gbl_do_disassembler_optimizations, TRUE);
288ACPI_INIT_GLOBAL(ACPI_PARSE_OBJECT_LIST, *acpi_gbl_temp_list_head, NULL);
289
290ACPI_GLOBAL(u8, acpi_gbl_dm_opt_disasm);
291ACPI_GLOBAL(u8, acpi_gbl_dm_opt_listing);
292ACPI_GLOBAL(u8, acpi_gbl_num_external_methods);
293ACPI_GLOBAL(u32, acpi_gbl_resolved_external_methods);
294ACPI_GLOBAL(struct acpi_external_list *, acpi_gbl_external_list);
295ACPI_GLOBAL(struct acpi_external_file *, acpi_gbl_external_file_list);
296#endif
297
298#ifdef ACPI_DEBUGGER
299ACPI_INIT_GLOBAL(u8, acpi_gbl_abort_method, FALSE);
300ACPI_INIT_GLOBAL(acpi_thread_id, acpi_gbl_db_thread_id, ACPI_INVALID_THREAD_ID);
301ACPI_INIT_GLOBAL(u32, acpi_gbl_next_cmd_num, 1);
302
303ACPI_GLOBAL(u8, acpi_gbl_db_opt_no_ini_methods);
304ACPI_GLOBAL(u8, acpi_gbl_db_opt_no_region_support);
305ACPI_GLOBAL(u8, acpi_gbl_db_output_to_file);
306ACPI_GLOBAL(char *, acpi_gbl_db_buffer);
307ACPI_GLOBAL(char *, acpi_gbl_db_filename);
308ACPI_GLOBAL(u32, acpi_gbl_db_debug_level);
309ACPI_GLOBAL(u32, acpi_gbl_db_console_debug_level);
310ACPI_GLOBAL(struct acpi_namespace_node *, acpi_gbl_db_scope_node);
311ACPI_GLOBAL(u8, acpi_gbl_db_terminate_loop);
312ACPI_GLOBAL(u8, acpi_gbl_db_threads_terminated);
313ACPI_GLOBAL(char *, acpi_gbl_db_args[ACPI_DEBUGGER_MAX_ARGS]);
314ACPI_GLOBAL(acpi_object_type, acpi_gbl_db_arg_types[ACPI_DEBUGGER_MAX_ARGS]);
315
316/* These buffers should all be the same size */
317
318ACPI_GLOBAL(char, acpi_gbl_db_parsed_buf[ACPI_DB_LINE_BUFFER_SIZE]);
319ACPI_GLOBAL(char, acpi_gbl_db_scope_buf[ACPI_DB_LINE_BUFFER_SIZE]);
320ACPI_GLOBAL(char, acpi_gbl_db_debug_filename[ACPI_DB_LINE_BUFFER_SIZE]);
321
322/* Statistics globals */
323
324ACPI_GLOBAL(u16, acpi_gbl_obj_type_count[ACPI_TOTAL_TYPES]);
325ACPI_GLOBAL(u16, acpi_gbl_node_type_count[ACPI_TOTAL_TYPES]);
326ACPI_GLOBAL(u16, acpi_gbl_obj_type_count_misc);
327ACPI_GLOBAL(u16, acpi_gbl_node_type_count_misc);
328ACPI_GLOBAL(u32, acpi_gbl_num_nodes);
329ACPI_GLOBAL(u32, acpi_gbl_num_objects);
330#endif				/* ACPI_DEBUGGER */
331
332#if defined (ACPI_DISASSEMBLER) || defined (ACPI_ASL_COMPILER)
333ACPI_GLOBAL(const char, *acpi_gbl_pld_panel_list[]);
334ACPI_GLOBAL(const char, *acpi_gbl_pld_vertical_position_list[]);
335ACPI_GLOBAL(const char, *acpi_gbl_pld_horizontal_position_list[]);
336ACPI_GLOBAL(const char, *acpi_gbl_pld_shape_list[]);
337ACPI_INIT_GLOBAL(u8, acpi_gbl_disasm_flag, FALSE);
338#endif
339
340/*****************************************************************************
341 *
342 * ACPICA application-specific globals
343 *
344 ****************************************************************************/
345
346/* ASL-to-ASL+ conversion utility (implemented within the iASL compiler) */
347
348#ifdef ACPI_ASL_COMPILER
349ACPI_INIT_GLOBAL(char *, acpi_gbl_current_inline_comment, NULL);
350ACPI_INIT_GLOBAL(char *, acpi_gbl_current_end_node_comment, NULL);
351ACPI_INIT_GLOBAL(char *, acpi_gbl_current_open_brace_comment, NULL);
352ACPI_INIT_GLOBAL(char *, acpi_gbl_current_close_brace_comment, NULL);
353
354ACPI_INIT_GLOBAL(char *, acpi_gbl_root_filename, NULL);
355ACPI_INIT_GLOBAL(char *, acpi_gbl_current_filename, NULL);
356ACPI_INIT_GLOBAL(char *, acpi_gbl_current_parent_filename, NULL);
357ACPI_INIT_GLOBAL(char *, acpi_gbl_current_include_filename, NULL);
358
359ACPI_INIT_GLOBAL(struct acpi_comment_node, *acpi_gbl_def_blk_comment_list_head,
360		 NULL);
361ACPI_INIT_GLOBAL(struct acpi_comment_node, *acpi_gbl_def_blk_comment_list_tail,
362		 NULL);
363ACPI_INIT_GLOBAL(struct acpi_comment_node, *acpi_gbl_reg_comment_list_head,
364		 NULL);
365ACPI_INIT_GLOBAL(struct acpi_comment_node, *acpi_gbl_reg_comment_list_tail,
366		 NULL);
367ACPI_INIT_GLOBAL(struct acpi_comment_node, *acpi_gbl_inc_comment_list_head,
368		 NULL);
369ACPI_INIT_GLOBAL(struct acpi_comment_node, *acpi_gbl_inc_comment_list_tail,
370		 NULL);
371ACPI_INIT_GLOBAL(struct acpi_comment_node, *acpi_gbl_end_blk_comment_list_head,
372		 NULL);
373ACPI_INIT_GLOBAL(struct acpi_comment_node, *acpi_gbl_end_blk_comment_list_tail,
374		 NULL);
375
376ACPI_INIT_GLOBAL(struct acpi_comment_addr_node,
377		 *acpi_gbl_comment_addr_list_head, NULL);
378ACPI_INIT_GLOBAL(struct acpi_file_node, *acpi_gbl_file_tree_root, NULL);
379
380ACPI_GLOBAL(acpi_cache_t *, acpi_gbl_reg_comment_cache);
381ACPI_GLOBAL(acpi_cache_t *, acpi_gbl_comment_addr_cache);
382ACPI_GLOBAL(acpi_cache_t *, acpi_gbl_file_cache);
383
384ACPI_INIT_GLOBAL(u8, acpi_gbl_debug_asl_conversion, FALSE);
385ACPI_INIT_GLOBAL(ACPI_FILE, acpi_gbl_conv_debug_file, NULL);
386ACPI_GLOBAL(char, acpi_gbl_table_sig[4]);
387#endif
388
389#ifdef ACPI_APPLICATION
390ACPI_INIT_GLOBAL(ACPI_FILE, acpi_gbl_debug_file, NULL);
391ACPI_INIT_GLOBAL(ACPI_FILE, acpi_gbl_output_file, NULL);
392ACPI_INIT_GLOBAL(u8, acpi_gbl_debug_timeout, FALSE);
393
394/* Print buffer */
395
396ACPI_GLOBAL(acpi_spinlock, acpi_gbl_print_lock);	/* For print buffer */
397ACPI_GLOBAL(char, acpi_gbl_print_buffer[1024]);
398#endif				/* ACPI_APPLICATION */
399
400#endif				/* __ACGLOBAL_H__ */
401