1 /******************************************************************************
3 * Name: acglobal.h - Declarations for global variables
5 *****************************************************************************/
8 * Copyright (C) 2000 - 2006, R. Byron Moore
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44 #ifndef __ACGLOBAL_H__
45 #define __ACGLOBAL_H__
48 * Ensure that the globals are actually defined and initialized only once.
50 * The use of these macros allows a single list of globals (here) in order
51 * to simplify maintenance of the code.
53 #ifdef DEFINE_ACPI_GLOBALS
55 #define ACPI_INIT_GLOBAL(a,b) a=b
57 #define ACPI_EXTERN extern
58 #define ACPI_INIT_GLOBAL(a,b) a
62 * Keep local copies of these FADT-based registers. NOTE: These globals
63 * are first in this file for alignment reasons on 64-bit systems.
65 ACPI_EXTERN
struct acpi_generic_address acpi_gbl_xpm1a_enable
;
66 ACPI_EXTERN
struct acpi_generic_address acpi_gbl_xpm1b_enable
;
68 /*****************************************************************************
72 ****************************************************************************/
74 /* Runtime configuration of debug print levels */
76 extern u32 acpi_dbg_level
;
77 extern u32 acpi_dbg_layer
;
79 /* Procedure nesting level for debug output */
81 extern u32 acpi_gbl_nesting_level
;
83 /* Support for dynamic control method tracing mechanism */
85 ACPI_EXTERN u32 acpi_gbl_original_dbg_level
;
86 ACPI_EXTERN u32 acpi_gbl_original_dbg_layer
;
87 ACPI_EXTERN acpi_name acpi_gbl_trace_method_name
;
88 ACPI_EXTERN u32 acpi_gbl_trace_dbg_level
;
89 ACPI_EXTERN u32 acpi_gbl_trace_dbg_layer
;
90 ACPI_EXTERN u32 acpi_gbl_trace_flags
;
92 /*****************************************************************************
94 * Runtime configuration (static defaults that can be overriden at runtime)
96 ****************************************************************************/
99 * Enable "slack" in the AML interpreter? Default is FALSE, and the
100 * interpreter strictly follows the ACPI specification. Setting to TRUE
101 * allows the interpreter to ignore certain errors and/or bad AML constructs.
103 * Currently, these features are enabled by this flag:
105 * 1) Allow "implicit return" of last value in a control method
106 * 2) Allow access beyond the end of an operation region
107 * 3) Allow access to uninitialized locals/args (auto-init to integer 0)
108 * 4) Allow ANY object type to be a source operand for the Store() operator
109 * 5) Allow unresolved references (invalid target name) in package objects
110 * 6) Enable warning messages for behavior that is not ACPI spec compliant
112 ACPI_EXTERN u8
ACPI_INIT_GLOBAL(acpi_gbl_enable_interpreter_slack
, FALSE
);
115 * Automatically serialize ALL control methods? Default is FALSE, meaning
116 * to use the Serialized/not_serialized method flags on a per method basis.
117 * Only change this if the ASL code is poorly written and cannot handle
118 * reentrancy even though methods are marked "NotSerialized".
120 ACPI_EXTERN u8
ACPI_INIT_GLOBAL(acpi_gbl_all_methods_serialized
, FALSE
);
123 * Create the predefined _OSI method in the namespace? Default is TRUE
124 * because ACPI CA is fully compatible with other ACPI implementations.
125 * Changing this will revert ACPI CA (and machine ASL) to pre-OSI behavior.
127 ACPI_EXTERN u8
ACPI_INIT_GLOBAL(acpi_gbl_create_osi_method
, TRUE
);
130 * Disable wakeup GPEs during runtime? Default is TRUE because WAKE and
131 * RUNTIME GPEs should never be shared, and WAKE GPEs should typically only
132 * be enabled just before going to sleep.
134 ACPI_EXTERN u8
ACPI_INIT_GLOBAL(acpi_gbl_leave_wake_gpes_disabled
, TRUE
);
136 /*****************************************************************************
140 ****************************************************************************/
143 * acpi_gbl_root_table_list is the master list of ACPI tables found in the
146 * acpi_gbl_FADT is a local copy of the FADT, converted to a common format.
148 ACPI_EXTERN
struct acpi_internal_rsdt acpi_gbl_root_table_list
;
149 ACPI_EXTERN
struct acpi_table_fadt acpi_gbl_FADT
;
152 * Handle both ACPI 1.0 and ACPI 2.0 Integer widths. The integer width is
153 * determined by the revision of the DSDT: If the DSDT revision is less than
154 * 2, use only the lower 32 bits of the internal 64-bit Integer.
156 ACPI_EXTERN u8 acpi_gbl_integer_bit_width
;
157 ACPI_EXTERN u8 acpi_gbl_integer_byte_width
;
158 ACPI_EXTERN u8 acpi_gbl_integer_nybble_width
;
160 /*****************************************************************************
162 * Mutual exlusion within ACPICA subsystem
164 ****************************************************************************/
167 * Predefined mutex objects. This array contains the
168 * actual OS mutex handles, indexed by the local ACPI_MUTEX_HANDLEs.
169 * (The table maps local handles to the real OS handles)
171 ACPI_EXTERN
struct acpi_mutex_info acpi_gbl_mutex_info
[ACPI_NUM_MUTEX
];
174 * Global lock semaphore works in conjunction with the actual HW global lock
176 ACPI_EXTERN acpi_mutex acpi_gbl_global_lock_mutex
;
177 ACPI_EXTERN acpi_semaphore acpi_gbl_global_lock_semaphore
;
180 * Spinlocks are used for interfaces that can be possibly called at
183 ACPI_EXTERN spinlock_t _acpi_gbl_gpe_lock
; /* For GPE data structs and registers */
184 ACPI_EXTERN spinlock_t _acpi_gbl_hardware_lock
; /* For ACPI H/W except GPE registers */
185 #define acpi_gbl_gpe_lock &_acpi_gbl_gpe_lock
186 #define acpi_gbl_hardware_lock &_acpi_gbl_hardware_lock
188 /*****************************************************************************
190 * Miscellaneous globals
192 ****************************************************************************/
194 #ifdef ACPI_DBG_TRACK_ALLOCATIONS
196 /* Lists for tracking memory allocations */
198 ACPI_EXTERN
struct acpi_memory_list
*acpi_gbl_global_list
;
199 ACPI_EXTERN
struct acpi_memory_list
*acpi_gbl_ns_node_list
;
204 ACPI_EXTERN acpi_cache_t
*acpi_gbl_namespace_cache
;
205 ACPI_EXTERN acpi_cache_t
*acpi_gbl_state_cache
;
206 ACPI_EXTERN acpi_cache_t
*acpi_gbl_ps_node_cache
;
207 ACPI_EXTERN acpi_cache_t
*acpi_gbl_ps_node_ext_cache
;
208 ACPI_EXTERN acpi_cache_t
*acpi_gbl_operand_cache
;
210 /* Global handlers */
212 ACPI_EXTERN
struct acpi_object_notify_handler acpi_gbl_device_notify
;
213 ACPI_EXTERN
struct acpi_object_notify_handler acpi_gbl_system_notify
;
214 ACPI_EXTERN acpi_exception_handler acpi_gbl_exception_handler
;
215 ACPI_EXTERN acpi_init_handler acpi_gbl_init_handler
;
216 ACPI_EXTERN
struct acpi_walk_state
*acpi_gbl_breakpoint_walk
;
220 ACPI_EXTERN u32 acpi_gbl_original_mode
;
221 ACPI_EXTERN u32 acpi_gbl_rsdp_original_location
;
222 ACPI_EXTERN u32 acpi_gbl_ns_lookup_count
;
223 ACPI_EXTERN u32 acpi_gbl_ps_find_count
;
224 ACPI_EXTERN u32 acpi_gbl_owner_id_mask
[ACPI_NUM_OWNERID_MASKS
];
225 ACPI_EXTERN u16 acpi_gbl_pm1_enable_register_save
;
226 ACPI_EXTERN u16 acpi_gbl_global_lock_handle
;
227 ACPI_EXTERN u8 acpi_gbl_last_owner_id_index
;
228 ACPI_EXTERN u8 acpi_gbl_next_owner_id_offset
;
229 ACPI_EXTERN u8 acpi_gbl_debugger_configuration
;
230 ACPI_EXTERN u8 acpi_gbl_global_lock_acquired
;
231 ACPI_EXTERN u8 acpi_gbl_step_to_next_call
;
232 ACPI_EXTERN u8 acpi_gbl_acpi_hardware_present
;
233 ACPI_EXTERN u8 acpi_gbl_global_lock_present
;
234 ACPI_EXTERN u8 acpi_gbl_events_initialized
;
235 ACPI_EXTERN u8 acpi_gbl_system_awake_and_running
;
237 extern u8 acpi_gbl_shutdown
;
238 extern u32 acpi_gbl_startup_flags
;
239 extern const u8 acpi_gbl_decode_to8bit
[8];
240 extern const char *acpi_gbl_sleep_state_names
[ACPI_S_STATE_COUNT
];
241 extern const char *acpi_gbl_highest_dstate_names
[4];
242 extern const struct acpi_opcode_info acpi_gbl_aml_op_info
[AML_NUM_OPCODES
];
243 extern const char *acpi_gbl_region_types
[ACPI_NUM_PREDEFINED_REGIONS
];
245 /*****************************************************************************
249 ****************************************************************************/
251 #define NUM_NS_TYPES ACPI_TYPE_INVALID+1
253 #if !defined (ACPI_NO_METHOD_EXECUTION) || defined (ACPI_CONSTANT_EVAL_ONLY)
254 #define NUM_PREDEFINED_NAMES 10
256 #define NUM_PREDEFINED_NAMES 9
259 ACPI_EXTERN
struct acpi_namespace_node acpi_gbl_root_node_struct
;
260 ACPI_EXTERN
struct acpi_namespace_node
*acpi_gbl_root_node
;
261 ACPI_EXTERN
struct acpi_namespace_node
*acpi_gbl_fadt_gpe_device
;
263 extern const u8 acpi_gbl_ns_properties
[NUM_NS_TYPES
];
264 extern const struct acpi_predefined_names
265 acpi_gbl_pre_defined_names
[NUM_PREDEFINED_NAMES
];
267 #ifdef ACPI_DEBUG_OUTPUT
268 ACPI_EXTERN u32 acpi_gbl_current_node_count
;
269 ACPI_EXTERN u32 acpi_gbl_current_node_size
;
270 ACPI_EXTERN u32 acpi_gbl_max_concurrent_node_count
;
271 ACPI_EXTERN acpi_size acpi_gbl_entry_stack_pointer
;
272 ACPI_EXTERN acpi_size acpi_gbl_lowest_stack_pointer
;
273 ACPI_EXTERN u32 acpi_gbl_deepest_nesting
;
276 /*****************************************************************************
278 * Interpreter globals
280 ****************************************************************************/
282 ACPI_EXTERN
struct acpi_thread_state
*acpi_gbl_current_walk_list
;
284 /* Control method single step flag */
286 ACPI_EXTERN u8 acpi_gbl_cm_single_step
;
288 /*****************************************************************************
292 ****************************************************************************/
294 extern struct acpi_bit_register_info
295 acpi_gbl_bit_register_info
[ACPI_NUM_BITREG
];
296 ACPI_EXTERN u8 acpi_gbl_sleep_type_a
;
297 ACPI_EXTERN u8 acpi_gbl_sleep_type_b
;
299 /*****************************************************************************
301 * Event and GPE globals
303 ****************************************************************************/
305 extern struct acpi_fixed_event_info
306 acpi_gbl_fixed_event_info
[ACPI_NUM_FIXED_EVENTS
];
307 ACPI_EXTERN
struct acpi_fixed_event_handler
308 acpi_gbl_fixed_event_handlers
[ACPI_NUM_FIXED_EVENTS
];
309 ACPI_EXTERN
struct acpi_gpe_xrupt_info
*acpi_gbl_gpe_xrupt_list_head
;
310 ACPI_EXTERN
struct acpi_gpe_block_info
311 *acpi_gbl_gpe_fadt_blocks
[ACPI_MAX_GPE_BLOCKS
];
313 /*****************************************************************************
317 ****************************************************************************/
319 ACPI_EXTERN u8 acpi_gbl_db_output_flags
;
321 #ifdef ACPI_DISASSEMBLER
323 ACPI_EXTERN u8 acpi_gbl_db_opt_disasm
;
324 ACPI_EXTERN u8 acpi_gbl_db_opt_verbose
;
329 extern u8 acpi_gbl_method_executing
;
330 extern u8 acpi_gbl_abort_method
;
331 extern u8 acpi_gbl_db_terminate_threads
;
333 ACPI_EXTERN
int optind
;
334 ACPI_EXTERN
char *optarg
;
336 ACPI_EXTERN u8 acpi_gbl_db_opt_tables
;
337 ACPI_EXTERN u8 acpi_gbl_db_opt_stats
;
338 ACPI_EXTERN u8 acpi_gbl_db_opt_ini_methods
;
340 ACPI_EXTERN
char *acpi_gbl_db_args
[ACPI_DEBUGGER_MAX_ARGS
];
341 ACPI_EXTERN
char acpi_gbl_db_line_buf
[80];
342 ACPI_EXTERN
char acpi_gbl_db_parsed_buf
[80];
343 ACPI_EXTERN
char acpi_gbl_db_scope_buf
[40];
344 ACPI_EXTERN
char acpi_gbl_db_debug_filename
[40];
345 ACPI_EXTERN u8 acpi_gbl_db_output_to_file
;
346 ACPI_EXTERN
char *acpi_gbl_db_buffer
;
347 ACPI_EXTERN
char *acpi_gbl_db_filename
;
348 ACPI_EXTERN u32 acpi_gbl_db_debug_level
;
349 ACPI_EXTERN u32 acpi_gbl_db_console_debug_level
;
350 ACPI_EXTERN
struct acpi_table_header
*acpi_gbl_db_table_ptr
;
351 ACPI_EXTERN
struct acpi_namespace_node
*acpi_gbl_db_scope_node
;
356 ACPI_EXTERN u16 acpi_gbl_obj_type_count
[ACPI_TYPE_NS_NODE_MAX
+ 1];
357 ACPI_EXTERN u16 acpi_gbl_node_type_count
[ACPI_TYPE_NS_NODE_MAX
+ 1];
358 ACPI_EXTERN u16 acpi_gbl_obj_type_count_misc
;
359 ACPI_EXTERN u16 acpi_gbl_node_type_count_misc
;
360 ACPI_EXTERN u32 acpi_gbl_num_nodes
;
361 ACPI_EXTERN u32 acpi_gbl_num_objects
;
363 ACPI_EXTERN u32 acpi_gbl_size_of_parse_tree
;
364 ACPI_EXTERN u32 acpi_gbl_size_of_method_trees
;
365 ACPI_EXTERN u32 acpi_gbl_size_of_node_entries
;
366 ACPI_EXTERN u32 acpi_gbl_size_of_acpi_objects
;
368 #endif /* ACPI_DEBUGGER */
370 #endif /* __ACGLOBAL_H__ */