xref: /openbmc/linux/drivers/acpi/acpica/acdebug.h (revision 133f9794)
1 /******************************************************************************
2  *
3  * Name: acdebug.h - ACPI/AML debugger
4  *
5  *****************************************************************************/
6 
7 /*
8  * Copyright (C) 2000 - 2018, 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 __ACDEBUG_H__
45 #define __ACDEBUG_H__
46 
47 /* The debugger is used in conjunction with the disassembler most of time */
48 
49 #ifdef ACPI_DISASSEMBLER
50 #include "acdisasm.h"
51 #endif
52 
53 #define ACPI_DEBUG_BUFFER_SIZE  0x4000	/* 16K buffer for return objects */
54 
55 struct acpi_db_command_info {
56 	const char *name;	/* Command Name */
57 	u8 min_args;		/* Minimum arguments required */
58 };
59 
60 struct acpi_db_command_help {
61 	u8 line_count;		/* Number of help lines */
62 	char *invocation;	/* Command Invocation */
63 	char *description;	/* Command Description */
64 };
65 
66 struct acpi_db_argument_info {
67 	const char *name;	/* Argument Name */
68 };
69 
70 struct acpi_db_execute_walk {
71 	u32 count;
72 	u32 max_count;
73 };
74 
75 #define PARAM_LIST(pl)                  pl
76 
77 #define EX_NO_SINGLE_STEP               1
78 #define EX_SINGLE_STEP                  2
79 
80 /*
81  * dbxface - external debugger interfaces
82  */
83 ACPI_DBR_DEPENDENT_RETURN_OK(acpi_status
84 			     acpi_db_single_step(struct acpi_walk_state
85 						 *walk_state,
86 						 union acpi_parse_object *op,
87 						 u32 op_type))
88  ACPI_DBR_DEPENDENT_RETURN_VOID(void
89 				acpi_db_signal_break_point(struct
90 							   acpi_walk_state
91 							   *walk_state))
92 
93 /*
94  * dbcmds - debug commands and output routines
95  */
96 struct acpi_namespace_node *acpi_db_convert_to_node(char *in_string);
97 
98 void acpi_db_display_table_info(char *table_arg);
99 
100 void acpi_db_display_template(char *buffer_arg);
101 
102 void acpi_db_unload_acpi_table(char *name);
103 
104 void acpi_db_send_notify(char *name, u32 value);
105 
106 void acpi_db_display_interfaces(char *action_arg, char *interface_name_arg);
107 
108 acpi_status acpi_db_sleep(char *object_arg);
109 
110 void acpi_db_trace(char *enable_arg, char *method_arg, char *once_arg);
111 
112 void acpi_db_display_locks(void);
113 
114 void acpi_db_display_resources(char *object_arg);
115 
116 ACPI_HW_DEPENDENT_RETURN_VOID(void acpi_db_display_gpes(void))
117 
118 void acpi_db_display_handlers(void);
119 
120 ACPI_HW_DEPENDENT_RETURN_VOID(void
121 			      acpi_db_generate_gpe(char *gpe_arg,
122 						   char *block_arg))
123 ACPI_HW_DEPENDENT_RETURN_VOID(void acpi_db_generate_sci(void))
124 
125 void acpi_db_execute_test(char *type_arg);
126 
127 /*
128  * dbconvert - miscellaneous conversion routines
129  */
130 acpi_status acpi_db_hex_char_to_value(int hex_char, u8 *return_value);
131 
132 acpi_status acpi_db_convert_to_package(char *string, union acpi_object *object);
133 
134 acpi_status
135 acpi_db_convert_to_object(acpi_object_type type,
136 			  char *string, union acpi_object *object);
137 
138 u8 *acpi_db_encode_pld_buffer(struct acpi_pld_info *pld_info);
139 
140 void acpi_db_dump_pld_buffer(union acpi_object *obj_desc);
141 
142 /*
143  * dbmethod - control method commands
144  */
145 void
146 acpi_db_set_method_breakpoint(char *location,
147 			      struct acpi_walk_state *walk_state,
148 			      union acpi_parse_object *op);
149 
150 void acpi_db_set_method_call_breakpoint(union acpi_parse_object *op);
151 
152 void acpi_db_set_method_data(char *type_arg, char *index_arg, char *value_arg);
153 
154 acpi_status acpi_db_disassemble_method(char *name);
155 
156 void acpi_db_disassemble_aml(char *statements, union acpi_parse_object *op);
157 
158 void acpi_db_evaluate_predefined_names(void);
159 
160 /*
161  * dbnames - namespace commands
162  */
163 void acpi_db_set_scope(char *name);
164 
165 void acpi_db_dump_namespace(char *start_arg, char *depth_arg);
166 
167 void acpi_db_dump_namespace_paths(void);
168 
169 void acpi_db_dump_namespace_by_owner(char *owner_arg, char *depth_arg);
170 
171 acpi_status acpi_db_find_name_in_namespace(char *name_arg);
172 
173 void acpi_db_check_predefined_names(void);
174 
175 acpi_status
176 acpi_db_display_objects(char *obj_type_arg, char *display_count_arg);
177 
178 void acpi_db_check_integrity(void);
179 
180 void acpi_db_find_references(char *object_arg);
181 
182 void acpi_db_get_bus_info(void);
183 
184 /*
185  * dbdisply - debug display commands
186  */
187 void acpi_db_display_method_info(union acpi_parse_object *op);
188 
189 void acpi_db_decode_and_display_object(char *target, char *output_type);
190 
191 ACPI_DBR_DEPENDENT_RETURN_VOID(void
192 			       acpi_db_display_result_object(union
193 							     acpi_operand_object
194 							     *obj_desc,
195 							     struct
196 							     acpi_walk_state
197 							     *walk_state))
198 
199 acpi_status acpi_db_display_all_methods(char *display_count_arg);
200 
201 void acpi_db_display_arguments(void);
202 
203 void acpi_db_display_locals(void);
204 
205 void acpi_db_display_results(void);
206 
207 void acpi_db_display_calling_tree(void);
208 
209 void acpi_db_display_object_type(char *object_arg);
210 
211 ACPI_DBR_DEPENDENT_RETURN_VOID(void
212 			       acpi_db_display_argument_object(union
213 							       acpi_operand_object
214 							       *obj_desc,
215 							       struct
216 							       acpi_walk_state
217 							       *walk_state))
218 
219 /*
220  * dbexec - debugger control method execution
221  */
222 void
223 acpi_db_execute(char *name, char **args, acpi_object_type *types, u32 flags);
224 
225 void
226 acpi_db_create_execution_thread(char *method_name_arg,
227 				char **arguments, acpi_object_type *types);
228 
229 void
230 acpi_db_create_execution_threads(char *num_threads_arg,
231 				 char *num_loops_arg, char *method_name_arg);
232 
233 void acpi_db_delete_objects(u32 count, union acpi_object *objects);
234 
235 #ifdef ACPI_DBG_TRACK_ALLOCATIONS
236 u32 acpi_db_get_cache_info(struct acpi_memory_list *cache);
237 #endif
238 
239 /*
240  * dbfileio - Debugger file I/O commands
241  */
242 acpi_object_type
243 acpi_db_match_argument(char *user_argument,
244 		       struct acpi_db_argument_info *arguments);
245 
246 void acpi_db_close_debug_file(void);
247 
248 void acpi_db_open_debug_file(char *name);
249 
250 acpi_status acpi_db_load_acpi_table(char *filename);
251 
252 acpi_status acpi_db_load_tables(struct acpi_new_table_desc *list_head);
253 
254 /*
255  * dbhistry - debugger HISTORY command
256  */
257 void acpi_db_add_to_history(char *command_line);
258 
259 void acpi_db_display_history(void);
260 
261 char *acpi_db_get_from_history(char *command_num_arg);
262 
263 char *acpi_db_get_history_by_index(u32 commandd_num);
264 
265 /*
266  * dbinput - user front-end to the AML debugger
267  */
268 acpi_status
269 acpi_db_command_dispatch(char *input_buffer,
270 			 struct acpi_walk_state *walk_state,
271 			 union acpi_parse_object *op);
272 
273 void ACPI_SYSTEM_XFACE acpi_db_execute_thread(void *context);
274 
275 acpi_status acpi_db_user_commands(void);
276 
277 char *acpi_db_get_next_token(char *string,
278 			     char **next, acpi_object_type *return_type);
279 
280 /*
281  * dbobject
282  */
283 void acpi_db_decode_internal_object(union acpi_operand_object *obj_desc);
284 
285 void
286 acpi_db_display_internal_object(union acpi_operand_object *obj_desc,
287 				struct acpi_walk_state *walk_state);
288 
289 void acpi_db_decode_arguments(struct acpi_walk_state *walk_state);
290 
291 void acpi_db_decode_locals(struct acpi_walk_state *walk_state);
292 
293 void
294 acpi_db_dump_method_info(acpi_status status,
295 			 struct acpi_walk_state *walk_state);
296 
297 /*
298  * dbstats - Generation and display of ACPI table statistics
299  */
300 void acpi_db_generate_statistics(union acpi_parse_object *root, u8 is_method);
301 
302 acpi_status acpi_db_display_statistics(char *type_arg);
303 
304 /*
305  * dbutils - AML debugger utilities
306  */
307 void acpi_db_set_output_destination(u32 where);
308 
309 void acpi_db_dump_external_object(union acpi_object *obj_desc, u32 level);
310 
311 void acpi_db_prep_namestring(char *name);
312 
313 struct acpi_namespace_node *acpi_db_local_ns_lookup(char *name);
314 
315 void acpi_db_uint32_to_hex_string(u32 value, char *buffer);
316 
317 #endif				/* __ACDEBUG_H__ */
318