xref: /openbmc/linux/drivers/acpi/acpica/acdispat.h (revision ae213c44)
1 /* SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0 */
2 /******************************************************************************
3  *
4  * Name: acdispat.h - dispatcher (parser to interpreter interface)
5  *
6  * Copyright (C) 2000 - 2019, Intel Corp.
7  *
8  *****************************************************************************/
9 
10 #ifndef _ACDISPAT_H_
11 #define _ACDISPAT_H_
12 
13 #define NAMEOF_LOCAL_NTE    "__L0"
14 #define NAMEOF_ARG_NTE      "__A0"
15 
16 /*
17  * dsargs - execution of dynamic arguments for static objects
18  */
19 acpi_status
20 acpi_ds_get_buffer_field_arguments(union acpi_operand_object *obj_desc);
21 
22 acpi_status
23 acpi_ds_get_bank_field_arguments(union acpi_operand_object *obj_desc);
24 
25 acpi_status acpi_ds_get_region_arguments(union acpi_operand_object *rgn_desc);
26 
27 acpi_status acpi_ds_get_buffer_arguments(union acpi_operand_object *obj_desc);
28 
29 acpi_status acpi_ds_get_package_arguments(union acpi_operand_object *obj_desc);
30 
31 /*
32  * dscontrol - support for execution control opcodes
33  */
34 acpi_status
35 acpi_ds_exec_begin_control_op(struct acpi_walk_state *walk_state,
36 			      union acpi_parse_object *op);
37 
38 acpi_status
39 acpi_ds_exec_end_control_op(struct acpi_walk_state *walk_state,
40 			    union acpi_parse_object *op);
41 
42 /*
43  * dsopcode - support for late operand evaluation
44  */
45 acpi_status
46 acpi_ds_eval_buffer_field_operands(struct acpi_walk_state *walk_state,
47 				   union acpi_parse_object *op);
48 
49 acpi_status
50 acpi_ds_eval_region_operands(struct acpi_walk_state *walk_state,
51 			     union acpi_parse_object *op);
52 
53 acpi_status
54 acpi_ds_eval_table_region_operands(struct acpi_walk_state *walk_state,
55 				   union acpi_parse_object *op);
56 
57 acpi_status
58 acpi_ds_eval_data_object_operands(struct acpi_walk_state *walk_state,
59 				  union acpi_parse_object *op,
60 				  union acpi_operand_object *obj_desc);
61 
62 acpi_status
63 acpi_ds_eval_bank_field_operands(struct acpi_walk_state *walk_state,
64 				 union acpi_parse_object *op);
65 
66 acpi_status acpi_ds_initialize_region(acpi_handle obj_handle);
67 
68 /*
69  * dsexec - Parser/Interpreter interface, method execution callbacks
70  */
71 acpi_status
72 acpi_ds_get_predicate_value(struct acpi_walk_state *walk_state,
73 			    union acpi_operand_object *result_obj);
74 
75 acpi_status
76 acpi_ds_exec_begin_op(struct acpi_walk_state *walk_state,
77 		      union acpi_parse_object **out_op);
78 
79 acpi_status acpi_ds_exec_end_op(struct acpi_walk_state *state);
80 
81 /*
82  * dsfield - Parser/Interpreter interface for AML fields
83  */
84 acpi_status
85 acpi_ds_create_field(union acpi_parse_object *op,
86 		     struct acpi_namespace_node *region_node,
87 		     struct acpi_walk_state *walk_state);
88 
89 acpi_status
90 acpi_ds_create_bank_field(union acpi_parse_object *op,
91 			  struct acpi_namespace_node *region_node,
92 			  struct acpi_walk_state *walk_state);
93 
94 acpi_status
95 acpi_ds_create_index_field(union acpi_parse_object *op,
96 			   struct acpi_namespace_node *region_node,
97 			   struct acpi_walk_state *walk_state);
98 
99 acpi_status
100 acpi_ds_create_buffer_field(union acpi_parse_object *op,
101 			    struct acpi_walk_state *walk_state);
102 
103 acpi_status
104 acpi_ds_init_field_objects(union acpi_parse_object *op,
105 			   struct acpi_walk_state *walk_state);
106 
107 /*
108  * dsload - Parser/Interpreter interface
109  */
110 acpi_status
111 acpi_ds_init_callbacks(struct acpi_walk_state *walk_state, u32 pass_number);
112 
113 /* dsload - pass 1 namespace load callbacks */
114 
115 acpi_status
116 acpi_ds_load1_begin_op(struct acpi_walk_state *walk_state,
117 		       union acpi_parse_object **out_op);
118 
119 acpi_status acpi_ds_load1_end_op(struct acpi_walk_state *walk_state);
120 
121 /* dsload - pass 2 namespace load callbacks */
122 
123 acpi_status
124 acpi_ds_load2_begin_op(struct acpi_walk_state *walk_state,
125 		       union acpi_parse_object **out_op);
126 
127 acpi_status acpi_ds_load2_end_op(struct acpi_walk_state *walk_state);
128 
129 /*
130  * dsmthdat - method data (locals/args)
131  */
132 acpi_status
133 acpi_ds_store_object_to_local(u8 type,
134 			      u32 index,
135 			      union acpi_operand_object *src_desc,
136 			      struct acpi_walk_state *walk_state);
137 
138 acpi_status
139 acpi_ds_method_data_get_entry(u16 opcode,
140 			      u32 index,
141 			      struct acpi_walk_state *walk_state,
142 			      union acpi_operand_object ***node);
143 
144 void acpi_ds_method_data_delete_all(struct acpi_walk_state *walk_state);
145 
146 u8 acpi_ds_is_method_value(union acpi_operand_object *obj_desc);
147 
148 acpi_status
149 acpi_ds_method_data_get_value(u8 type,
150 			      u32 index,
151 			      struct acpi_walk_state *walk_state,
152 			      union acpi_operand_object **dest_desc);
153 
154 acpi_status
155 acpi_ds_method_data_init_args(union acpi_operand_object **params,
156 			      u32 max_param_count,
157 			      struct acpi_walk_state *walk_state);
158 
159 acpi_status
160 acpi_ds_method_data_get_node(u8 type,
161 			     u32 index,
162 			     struct acpi_walk_state *walk_state,
163 			     struct acpi_namespace_node **node);
164 
165 void acpi_ds_method_data_init(struct acpi_walk_state *walk_state);
166 
167 /*
168  * dsmethod - Parser/Interpreter interface - control method parsing
169  */
170 acpi_status
171 acpi_ds_auto_serialize_method(struct acpi_namespace_node *node,
172 			      union acpi_operand_object *obj_desc);
173 
174 acpi_status
175 acpi_ds_call_control_method(struct acpi_thread_state *thread,
176 			    struct acpi_walk_state *walk_state,
177 			    union acpi_parse_object *op);
178 
179 acpi_status
180 acpi_ds_restart_control_method(struct acpi_walk_state *walk_state,
181 			       union acpi_operand_object *return_desc);
182 
183 void
184 acpi_ds_terminate_control_method(union acpi_operand_object *method_desc,
185 				 struct acpi_walk_state *walk_state);
186 
187 acpi_status
188 acpi_ds_begin_method_execution(struct acpi_namespace_node *method_node,
189 			       union acpi_operand_object *obj_desc,
190 			       struct acpi_walk_state *walk_state);
191 
192 acpi_status
193 acpi_ds_method_error(acpi_status status, struct acpi_walk_state *walk_state);
194 
195 /*
196  * dsinit
197  */
198 acpi_status
199 acpi_ds_initialize_objects(u32 table_index,
200 			   struct acpi_namespace_node *start_node);
201 
202 /*
203  * dsobject - Parser/Interpreter interface - object initialization and conversion
204  */
205 acpi_status
206 acpi_ds_build_internal_object(struct acpi_walk_state *walk_state,
207 			      union acpi_parse_object *op,
208 			      union acpi_operand_object **obj_desc_ptr);
209 
210 acpi_status
211 acpi_ds_build_internal_buffer_obj(struct acpi_walk_state *walk_state,
212 				  union acpi_parse_object *op,
213 				  u32 buffer_length,
214 				  union acpi_operand_object **obj_desc_ptr);
215 
216 acpi_status
217 acpi_ds_build_internal_package_obj(struct acpi_walk_state *walk_state,
218 				   union acpi_parse_object *op,
219 				   u32 package_length,
220 				   union acpi_operand_object **obj_desc);
221 
222 acpi_status
223 acpi_ds_init_object_from_op(struct acpi_walk_state *walk_state,
224 			    union acpi_parse_object *op,
225 			    u16 opcode, union acpi_operand_object **obj_desc);
226 
227 acpi_status
228 acpi_ds_create_node(struct acpi_walk_state *walk_state,
229 		    struct acpi_namespace_node *node,
230 		    union acpi_parse_object *op);
231 
232 /*
233  * dspkginit - Package object initialization
234  */
235 acpi_status
236 acpi_ds_init_package_element(u8 object_type,
237 			     union acpi_operand_object *source_object,
238 			     union acpi_generic_state *state, void *context);
239 
240 /*
241  * dsutils - Parser/Interpreter interface utility routines
242  */
243 void acpi_ds_clear_implicit_return(struct acpi_walk_state *walk_state);
244 
245 u8
246 acpi_ds_do_implicit_return(union acpi_operand_object *return_desc,
247 			   struct acpi_walk_state *walk_state,
248 			   u8 add_reference);
249 
250 u8
251 acpi_ds_is_result_used(union acpi_parse_object *op,
252 		       struct acpi_walk_state *walk_state);
253 
254 void
255 acpi_ds_delete_result_if_not_used(union acpi_parse_object *op,
256 				  union acpi_operand_object *result_obj,
257 				  struct acpi_walk_state *walk_state);
258 
259 acpi_status
260 acpi_ds_create_operand(struct acpi_walk_state *walk_state,
261 		       union acpi_parse_object *arg, u32 args_remaining);
262 
263 acpi_status
264 acpi_ds_create_operands(struct acpi_walk_state *walk_state,
265 			union acpi_parse_object *first_arg);
266 
267 acpi_status acpi_ds_resolve_operands(struct acpi_walk_state *walk_state);
268 
269 void acpi_ds_clear_operands(struct acpi_walk_state *walk_state);
270 
271 acpi_status acpi_ds_evaluate_name_path(struct acpi_walk_state *walk_state);
272 
273 /*
274  * dswscope - Scope Stack manipulation
275  */
276 acpi_status
277 acpi_ds_scope_stack_push(struct acpi_namespace_node *node,
278 			 acpi_object_type type,
279 			 struct acpi_walk_state *walk_state);
280 
281 acpi_status acpi_ds_scope_stack_pop(struct acpi_walk_state *walk_state);
282 
283 void acpi_ds_scope_stack_clear(struct acpi_walk_state *walk_state);
284 
285 /*
286  * dswstate - parser WALK_STATE management routines
287  */
288 acpi_status
289 acpi_ds_obj_stack_push(void *object, struct acpi_walk_state *walk_state);
290 
291 acpi_status
292 acpi_ds_obj_stack_pop(u32 pop_count, struct acpi_walk_state *walk_state);
293 
294 struct acpi_walk_state * acpi_ds_create_walk_state(acpi_owner_id owner_id,
295 						   union acpi_parse_object
296 						   *origin,
297 						   union acpi_operand_object
298 						   *mth_desc,
299 						   struct acpi_thread_state
300 						   *thread);
301 
302 acpi_status
303 acpi_ds_init_aml_walk(struct acpi_walk_state *walk_state,
304 		      union acpi_parse_object *op,
305 		      struct acpi_namespace_node *method_node,
306 		      u8 * aml_start,
307 		      u32 aml_length,
308 		      struct acpi_evaluate_info *info, u8 pass_number);
309 
310 void
311 acpi_ds_obj_stack_pop_and_delete(u32 pop_count,
312 				 struct acpi_walk_state *walk_state);
313 
314 void acpi_ds_delete_walk_state(struct acpi_walk_state *walk_state);
315 
316 struct acpi_walk_state *acpi_ds_pop_walk_state(struct acpi_thread_state
317 					       *thread);
318 
319 void
320 acpi_ds_push_walk_state(struct acpi_walk_state *walk_state,
321 			struct acpi_thread_state *thread);
322 
323 acpi_status acpi_ds_result_stack_clear(struct acpi_walk_state *walk_state);
324 
325 struct acpi_walk_state *acpi_ds_get_current_walk_state(struct acpi_thread_state
326 						       *thread);
327 
328 acpi_status
329 acpi_ds_result_pop(union acpi_operand_object **object,
330 		   struct acpi_walk_state *walk_state);
331 
332 acpi_status
333 acpi_ds_result_push(union acpi_operand_object *object,
334 		    struct acpi_walk_state *walk_state);
335 
336 /*
337  * dsdebug - parser debugging routines
338  */
339 void
340 acpi_ds_dump_method_stack(acpi_status status,
341 			  struct acpi_walk_state *walk_state,
342 			  union acpi_parse_object *op);
343 
344 #endif				/* _ACDISPAT_H_ */
345