xref: /linux/drivers/acpi/acpica/acdispat.h (revision d91517839e5d95adc0cf4b28caa7af62a71de526)
1 /******************************************************************************
2  *
3  * Name: acdispat.h - dispatcher (parser to interpreter interface)
4  *
5  *****************************************************************************/
6 
7 /*
8  * Copyright (C) 2000 - 2013, 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 _ACDISPAT_H_
45 #define _ACDISPAT_H_
46 
47 #define NAMEOF_LOCAL_NTE    "__L0"
48 #define NAMEOF_ARG_NTE      "__A0"
49 
50 /*
51  * dsargs - execution of dynamic arguments for static objects
52  */
53 acpi_status
54 acpi_ds_get_buffer_field_arguments(union acpi_operand_object *obj_desc);
55 
56 acpi_status
57 acpi_ds_get_bank_field_arguments(union acpi_operand_object *obj_desc);
58 
59 acpi_status acpi_ds_get_region_arguments(union acpi_operand_object *rgn_desc);
60 
61 acpi_status acpi_ds_get_buffer_arguments(union acpi_operand_object *obj_desc);
62 
63 acpi_status acpi_ds_get_package_arguments(union acpi_operand_object *obj_desc);
64 
65 /*
66  * dscontrol - support for execution control opcodes
67  */
68 acpi_status
69 acpi_ds_exec_begin_control_op(struct acpi_walk_state *walk_state,
70 			      union acpi_parse_object *op);
71 
72 acpi_status
73 acpi_ds_exec_end_control_op(struct acpi_walk_state *walk_state,
74 			    union acpi_parse_object *op);
75 
76 /*
77  * dsopcode - support for late operand evaluation
78  */
79 acpi_status
80 acpi_ds_eval_buffer_field_operands(struct acpi_walk_state *walk_state,
81 				   union acpi_parse_object *op);
82 
83 acpi_status
84 acpi_ds_eval_region_operands(struct acpi_walk_state *walk_state,
85 			     union acpi_parse_object *op);
86 
87 acpi_status
88 acpi_ds_eval_table_region_operands(struct acpi_walk_state *walk_state,
89 				   union acpi_parse_object *op);
90 
91 acpi_status
92 acpi_ds_eval_data_object_operands(struct acpi_walk_state *walk_state,
93 				  union acpi_parse_object *op,
94 				  union acpi_operand_object *obj_desc);
95 
96 acpi_status
97 acpi_ds_eval_bank_field_operands(struct acpi_walk_state *walk_state,
98 				 union acpi_parse_object *op);
99 
100 acpi_status acpi_ds_initialize_region(acpi_handle obj_handle);
101 
102 /*
103  * dsexec - Parser/Interpreter interface, method execution callbacks
104  */
105 acpi_status
106 acpi_ds_get_predicate_value(struct acpi_walk_state *walk_state,
107 			    union acpi_operand_object *result_obj);
108 
109 acpi_status
110 acpi_ds_exec_begin_op(struct acpi_walk_state *walk_state,
111 		      union acpi_parse_object **out_op);
112 
113 acpi_status acpi_ds_exec_end_op(struct acpi_walk_state *state);
114 
115 /*
116  * dsfield - Parser/Interpreter interface for AML fields
117  */
118 acpi_status
119 acpi_ds_create_field(union acpi_parse_object *op,
120 		     struct acpi_namespace_node *region_node,
121 		     struct acpi_walk_state *walk_state);
122 
123 acpi_status
124 acpi_ds_create_bank_field(union acpi_parse_object *op,
125 			  struct acpi_namespace_node *region_node,
126 			  struct acpi_walk_state *walk_state);
127 
128 acpi_status
129 acpi_ds_create_index_field(union acpi_parse_object *op,
130 			   struct acpi_namespace_node *region_node,
131 			   struct acpi_walk_state *walk_state);
132 
133 acpi_status
134 acpi_ds_create_buffer_field(union acpi_parse_object *op,
135 			    struct acpi_walk_state *walk_state);
136 
137 acpi_status
138 acpi_ds_init_field_objects(union acpi_parse_object *op,
139 			   struct acpi_walk_state *walk_state);
140 
141 /*
142  * dsload - Parser/Interpreter interface, pass 1 namespace load callbacks
143  */
144 acpi_status
145 acpi_ds_init_callbacks(struct acpi_walk_state *walk_state, u32 pass_number);
146 
147 acpi_status
148 acpi_ds_load1_begin_op(struct acpi_walk_state *walk_state,
149 		       union acpi_parse_object **out_op);
150 
151 acpi_status acpi_ds_load1_end_op(struct acpi_walk_state *walk_state);
152 
153 /*
154  * dsload - Parser/Interpreter interface, pass 2 namespace load callbacks
155  */
156 acpi_status
157 acpi_ds_load2_begin_op(struct acpi_walk_state *walk_state,
158 		       union acpi_parse_object **out_op);
159 
160 acpi_status acpi_ds_load2_end_op(struct acpi_walk_state *walk_state);
161 
162 /*
163  * dsmthdat - method data (locals/args)
164  */
165 acpi_status
166 acpi_ds_store_object_to_local(u8 type,
167 			      u32 index,
168 			      union acpi_operand_object *src_desc,
169 			      struct acpi_walk_state *walk_state);
170 
171 acpi_status
172 acpi_ds_method_data_get_entry(u16 opcode,
173 			      u32 index,
174 			      struct acpi_walk_state *walk_state,
175 			      union acpi_operand_object ***node);
176 
177 void acpi_ds_method_data_delete_all(struct acpi_walk_state *walk_state);
178 
179 u8 acpi_ds_is_method_value(union acpi_operand_object *obj_desc);
180 
181 acpi_status
182 acpi_ds_method_data_get_value(u8 type,
183 			      u32 index,
184 			      struct acpi_walk_state *walk_state,
185 			      union acpi_operand_object **dest_desc);
186 
187 acpi_status
188 acpi_ds_method_data_init_args(union acpi_operand_object **params,
189 			      u32 max_param_count,
190 			      struct acpi_walk_state *walk_state);
191 
192 acpi_status
193 acpi_ds_method_data_get_node(u8 type,
194 			     u32 index,
195 			     struct acpi_walk_state *walk_state,
196 			     struct acpi_namespace_node **node);
197 
198 void acpi_ds_method_data_init(struct acpi_walk_state *walk_state);
199 
200 /*
201  * dsmethod - Parser/Interpreter interface - control method parsing
202  */
203 acpi_status acpi_ds_parse_method(struct acpi_namespace_node *node);
204 
205 acpi_status
206 acpi_ds_call_control_method(struct acpi_thread_state *thread,
207 			    struct acpi_walk_state *walk_state,
208 			    union acpi_parse_object *op);
209 
210 acpi_status
211 acpi_ds_restart_control_method(struct acpi_walk_state *walk_state,
212 			       union acpi_operand_object *return_desc);
213 
214 void
215 acpi_ds_terminate_control_method(union acpi_operand_object *method_desc,
216 				 struct acpi_walk_state *walk_state);
217 
218 acpi_status
219 acpi_ds_begin_method_execution(struct acpi_namespace_node *method_node,
220 			       union acpi_operand_object *obj_desc,
221 			       struct acpi_walk_state *walk_state);
222 
223 acpi_status
224 acpi_ds_method_error(acpi_status status, struct acpi_walk_state *walk_state);
225 
226 /*
227  * dsinit
228  */
229 acpi_status
230 acpi_ds_initialize_objects(u32 table_index,
231 			   struct acpi_namespace_node *start_node);
232 
233 /*
234  * dsobject - Parser/Interpreter interface - object initialization and conversion
235  */
236 acpi_status
237 acpi_ds_build_internal_buffer_obj(struct acpi_walk_state *walk_state,
238 				  union acpi_parse_object *op,
239 				  u32 buffer_length,
240 				  union acpi_operand_object **obj_desc_ptr);
241 
242 acpi_status
243 acpi_ds_build_internal_package_obj(struct acpi_walk_state *walk_state,
244 				   union acpi_parse_object *op,
245 				   u32 package_length,
246 				   union acpi_operand_object **obj_desc);
247 
248 acpi_status
249 acpi_ds_init_object_from_op(struct acpi_walk_state *walk_state,
250 			    union acpi_parse_object *op,
251 			    u16 opcode, union acpi_operand_object **obj_desc);
252 
253 acpi_status
254 acpi_ds_create_node(struct acpi_walk_state *walk_state,
255 		    struct acpi_namespace_node *node,
256 		    union acpi_parse_object *op);
257 
258 /*
259  * dsutils - Parser/Interpreter interface utility routines
260  */
261 void acpi_ds_clear_implicit_return(struct acpi_walk_state *walk_state);
262 
263 u8
264 acpi_ds_do_implicit_return(union acpi_operand_object *return_desc,
265 			   struct acpi_walk_state *walk_state,
266 			   u8 add_reference);
267 
268 u8
269 acpi_ds_is_result_used(union acpi_parse_object *op,
270 		       struct acpi_walk_state *walk_state);
271 
272 void
273 acpi_ds_delete_result_if_not_used(union acpi_parse_object *op,
274 				  union acpi_operand_object *result_obj,
275 				  struct acpi_walk_state *walk_state);
276 
277 acpi_status
278 acpi_ds_create_operand(struct acpi_walk_state *walk_state,
279 		       union acpi_parse_object *arg, u32 args_remaining);
280 
281 acpi_status
282 acpi_ds_create_operands(struct acpi_walk_state *walk_state,
283 			union acpi_parse_object *first_arg);
284 
285 acpi_status acpi_ds_resolve_operands(struct acpi_walk_state *walk_state);
286 
287 void acpi_ds_clear_operands(struct acpi_walk_state *walk_state);
288 
289 acpi_status acpi_ds_evaluate_name_path(struct acpi_walk_state *walk_state);
290 
291 /*
292  * dswscope - Scope Stack manipulation
293  */
294 acpi_status
295 acpi_ds_scope_stack_push(struct acpi_namespace_node *node,
296 			 acpi_object_type type,
297 			 struct acpi_walk_state *walk_state);
298 
299 acpi_status acpi_ds_scope_stack_pop(struct acpi_walk_state *walk_state);
300 
301 void acpi_ds_scope_stack_clear(struct acpi_walk_state *walk_state);
302 
303 /*
304  * dswstate - parser WALK_STATE management routines
305  */
306 acpi_status
307 acpi_ds_obj_stack_push(void *object, struct acpi_walk_state *walk_state);
308 
309 acpi_status
310 acpi_ds_obj_stack_pop(u32 pop_count, struct acpi_walk_state *walk_state);
311 
312 struct acpi_walk_state * acpi_ds_create_walk_state(acpi_owner_id owner_id,
313 						   union acpi_parse_object
314 						   *origin,
315 						   union acpi_operand_object
316 						   *mth_desc,
317 						   struct acpi_thread_state
318 						   *thread);
319 
320 acpi_status
321 acpi_ds_init_aml_walk(struct acpi_walk_state *walk_state,
322 		      union acpi_parse_object *op,
323 		      struct acpi_namespace_node *method_node,
324 		      u8 * aml_start,
325 		      u32 aml_length,
326 		      struct acpi_evaluate_info *info, u8 pass_number);
327 
328 void
329 acpi_ds_obj_stack_pop_and_delete(u32 pop_count,
330 				 struct acpi_walk_state *walk_state);
331 
332 void acpi_ds_delete_walk_state(struct acpi_walk_state *walk_state);
333 
334 struct acpi_walk_state *acpi_ds_pop_walk_state(struct acpi_thread_state
335 					       *thread);
336 
337 void
338 acpi_ds_push_walk_state(struct acpi_walk_state *walk_state,
339 			struct acpi_thread_state *thread);
340 
341 acpi_status acpi_ds_result_stack_clear(struct acpi_walk_state *walk_state);
342 
343 struct acpi_walk_state *acpi_ds_get_current_walk_state(struct acpi_thread_state
344 						       *thread);
345 
346 acpi_status
347 acpi_ds_result_pop(union acpi_operand_object **object,
348 		   struct acpi_walk_state *walk_state);
349 
350 acpi_status
351 acpi_ds_result_push(union acpi_operand_object *object,
352 		    struct acpi_walk_state *walk_state);
353 
354 #endif				/* _ACDISPAT_H_ */
355