1// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0
2/*******************************************************************************
3 *
4 * Module Name: dbdisply - debug display commands
5 *
6 ******************************************************************************/
7
8#include <acpi/acpi.h>
9#include "accommon.h"
10#include "amlcode.h"
11#include "acdispat.h"
12#include "acnamesp.h"
13#include "acparser.h"
14#include "acinterp.h"
15#include "acevents.h"
16#include "acdebug.h"
17
18#define _COMPONENT ACPI_CA_DEBUGGER
19ACPI_MODULE_NAME("dbdisply")
20
21/* Local prototypes */
22static void acpi_db_dump_parser_descriptor(union acpi_parse_object *op);
23
24static void *acpi_db_get_pointer(void *target);
25
26static acpi_status
27acpi_db_display_non_root_handlers(acpi_handle obj_handle,
28 u32 nesting_level,
29 void *context, void **return_value);
30
31/*
32 * System handler information.
33 * Used for Handlers command, in acpi_db_display_handlers.
34 */
35#define ACPI_PREDEFINED_PREFIX "%25s (%.2X) : "
36#define ACPI_HANDLER_NAME_STRING "%30s : "
37#define ACPI_HANDLER_PRESENT_STRING "%-9s (%p)\n"
38#define ACPI_HANDLER_PRESENT_STRING2 "%-9s (%p)"
39#define ACPI_HANDLER_NOT_PRESENT_STRING "%-9s\n"
40
41/* All predefined Address Space IDs */
42
43static acpi_adr_space_type acpi_gbl_space_id_list[] = {
44 ACPI_ADR_SPACE_SYSTEM_MEMORY,
45 ACPI_ADR_SPACE_SYSTEM_IO,
46 ACPI_ADR_SPACE_PCI_CONFIG,
47 ACPI_ADR_SPACE_EC,
48 ACPI_ADR_SPACE_SMBUS,
49 ACPI_ADR_SPACE_CMOS,
50 ACPI_ADR_SPACE_PCI_BAR_TARGET,
51 ACPI_ADR_SPACE_IPMI,
52 ACPI_ADR_SPACE_GPIO,
53 ACPI_ADR_SPACE_GSBUS,
54 ACPI_ADR_SPACE_PLATFORM_COMM,
55 ACPI_ADR_SPACE_PLATFORM_RT,
56 ACPI_ADR_SPACE_DATA_TABLE,
57 ACPI_ADR_SPACE_FIXED_HARDWARE
58};
59
60/* Global handler information */
61
62typedef struct acpi_handler_info {
63 void *handler;
64 char *name;
65
66} acpi_handler_info;
67
68static struct acpi_handler_info acpi_gbl_handler_list[] = {
69 {&acpi_gbl_global_notify[0].handler, "System Notifications"},
70 {&acpi_gbl_global_notify[1].handler, "Device Notifications"},
71 {&acpi_gbl_table_handler, "ACPI Table Events"},
72 {&acpi_gbl_exception_handler, "Control Method Exceptions"},
73 {&acpi_gbl_interface_handler, "OSI Invocations"}
74};
75
76/*******************************************************************************
77 *
78 * FUNCTION: acpi_db_get_pointer
79 *
80 * PARAMETERS: target - Pointer to string to be converted
81 *
82 * RETURN: Converted pointer
83 *
84 * DESCRIPTION: Convert an ascii pointer value to a real value
85 *
86 ******************************************************************************/
87
88static void *acpi_db_get_pointer(void *target)
89{
90 void *obj_ptr;
91 acpi_size address;
92
93 address = strtoul(target, NULL, 16);
94 obj_ptr = ACPI_TO_POINTER(address);
95 return (obj_ptr);
96}
97
98/*******************************************************************************
99 *
100 * FUNCTION: acpi_db_dump_parser_descriptor
101 *
102 * PARAMETERS: op - A parser Op descriptor
103 *
104 * RETURN: None
105 *
106 * DESCRIPTION: Display a formatted parser object
107 *
108 ******************************************************************************/
109
110static void acpi_db_dump_parser_descriptor(union acpi_parse_object *op)
111{
112 const struct acpi_opcode_info *info;
113
114 info = acpi_ps_get_opcode_info(opcode: op->common.aml_opcode);
115
116 acpi_os_printf(format: "Parser Op Descriptor:\n");
117 acpi_os_printf(format: "%20.20s : %4.4X\n", "Opcode", op->common.aml_opcode);
118
119 ACPI_DEBUG_ONLY_MEMBERS(acpi_os_printf("%20.20s : %s\n", "Opcode Name",
120 info->name));
121
122 acpi_os_printf(format: "%20.20s : %p\n", "Value/ArgList", op->common.value.arg);
123 acpi_os_printf(format: "%20.20s : %p\n", "Parent", op->common.parent);
124 acpi_os_printf(format: "%20.20s : %p\n", "NextOp", op->common.next);
125}
126
127/*******************************************************************************
128 *
129 * FUNCTION: acpi_db_decode_and_display_object
130 *
131 * PARAMETERS: target - String with object to be displayed. Names
132 * and hex pointers are supported.
133 * output_type - Byte, Word, Dword, or Qword (B|W|D|Q)
134 *
135 * RETURN: None
136 *
137 * DESCRIPTION: Display a formatted ACPI object
138 *
139 ******************************************************************************/
140
141void acpi_db_decode_and_display_object(char *target, char *output_type)
142{
143 void *obj_ptr;
144 struct acpi_namespace_node *node;
145 union acpi_operand_object *obj_desc;
146 u32 display = DB_BYTE_DISPLAY;
147 char buffer[80];
148 struct acpi_buffer ret_buf;
149 acpi_status status;
150 u32 size;
151
152 if (!target) {
153 return;
154 }
155
156 /* Decode the output type */
157
158 if (output_type) {
159 acpi_ut_strupr(src_string: output_type);
160 if (output_type[0] == 'W') {
161 display = DB_WORD_DISPLAY;
162 } else if (output_type[0] == 'D') {
163 display = DB_DWORD_DISPLAY;
164 } else if (output_type[0] == 'Q') {
165 display = DB_QWORD_DISPLAY;
166 }
167 }
168
169 ret_buf.length = sizeof(buffer);
170 ret_buf.pointer = buffer;
171
172 /* Differentiate between a number and a name */
173
174 if ((target[0] >= 0x30) && (target[0] <= 0x39)) {
175 obj_ptr = acpi_db_get_pointer(target);
176 if (!acpi_os_readable(pointer: obj_ptr, length: 16)) {
177 acpi_os_printf
178 (format: "Address %p is invalid in this address space\n",
179 obj_ptr);
180 return;
181 }
182
183 /* Decode the object type */
184
185 switch (ACPI_GET_DESCRIPTOR_TYPE(obj_ptr)) {
186 case ACPI_DESC_TYPE_NAMED:
187
188 /* This is a namespace Node */
189
190 if (!acpi_os_readable
191 (pointer: obj_ptr, length: sizeof(struct acpi_namespace_node))) {
192 acpi_os_printf
193 (format: "Cannot read entire Named object at address %p\n",
194 obj_ptr);
195 return;
196 }
197
198 node = obj_ptr;
199 goto dump_node;
200
201 case ACPI_DESC_TYPE_OPERAND:
202
203 /* This is a ACPI OPERAND OBJECT */
204
205 if (!acpi_os_readable
206 (pointer: obj_ptr, length: sizeof(union acpi_operand_object))) {
207 acpi_os_printf
208 (format: "Cannot read entire ACPI object at address %p\n",
209 obj_ptr);
210 return;
211 }
212
213 acpi_ut_debug_dump_buffer(buffer: obj_ptr,
214 count: sizeof(union
215 acpi_operand_object),
216 display, ACPI_UINT32_MAX);
217 acpi_ex_dump_object_descriptor(object: obj_ptr, flags: 1);
218 break;
219
220 case ACPI_DESC_TYPE_PARSER:
221
222 /* This is a Parser Op object */
223
224 if (!acpi_os_readable
225 (pointer: obj_ptr, length: sizeof(union acpi_parse_object))) {
226 acpi_os_printf
227 (format: "Cannot read entire Parser object at address %p\n",
228 obj_ptr);
229 return;
230 }
231
232 acpi_ut_debug_dump_buffer(buffer: obj_ptr,
233 count: sizeof(union
234 acpi_parse_object),
235 display, ACPI_UINT32_MAX);
236 acpi_db_dump_parser_descriptor(op: (union acpi_parse_object
237 *)obj_ptr);
238 break;
239
240 default:
241
242 /* Is not a recognizable object */
243
244 acpi_os_printf
245 (format: "Not a known ACPI internal object, descriptor type %2.2X\n",
246 ACPI_GET_DESCRIPTOR_TYPE(obj_ptr));
247
248 size = 16;
249 if (acpi_os_readable(pointer: obj_ptr, length: 64)) {
250 size = 64;
251 }
252
253 /* Just dump some memory */
254
255 acpi_ut_debug_dump_buffer(buffer: obj_ptr, count: size, display,
256 ACPI_UINT32_MAX);
257 break;
258 }
259
260 return;
261 }
262
263 /* The parameter is a name string that must be resolved to a Named obj */
264
265 node = acpi_db_local_ns_lookup(name: target);
266 if (!node) {
267 return;
268 }
269
270dump_node:
271 /* Now dump the NS node */
272
273 status = acpi_get_name(object: node, ACPI_FULL_PATHNAME_NO_TRAILING, ret_path_ptr: &ret_buf);
274 if (ACPI_FAILURE(status)) {
275 acpi_os_printf(format: "Could not convert name to pathname\n");
276 }
277
278 else {
279 acpi_os_printf(format: "Object %p: Namespace Node - Pathname: %s\n",
280 node, (char *)ret_buf.pointer);
281 }
282
283 if (!acpi_os_readable(pointer: node, length: sizeof(struct acpi_namespace_node))) {
284 acpi_os_printf(format: "Invalid Named object at address %p\n", node);
285 return;
286 }
287
288 acpi_ut_debug_dump_buffer(buffer: (void *)node,
289 count: sizeof(struct acpi_namespace_node), display,
290 ACPI_UINT32_MAX);
291 acpi_ex_dump_namespace_node(node, flags: 1);
292
293 obj_desc = acpi_ns_get_attached_object(node);
294 if (obj_desc) {
295 acpi_os_printf(format: "\nAttached Object %p:", obj_desc);
296 if (!acpi_os_readable
297 (pointer: obj_desc, length: sizeof(union acpi_operand_object))) {
298 acpi_os_printf
299 (format: "Invalid internal ACPI Object at address %p\n",
300 obj_desc);
301 return;
302 }
303
304 if (ACPI_GET_DESCRIPTOR_TYPE(((struct acpi_namespace_node *)
305 obj_desc)) ==
306 ACPI_DESC_TYPE_NAMED) {
307 acpi_os_printf(format: " Namespace Node - ");
308 status =
309 acpi_get_name(object: (struct acpi_namespace_node *)
310 obj_desc,
311 ACPI_FULL_PATHNAME_NO_TRAILING,
312 ret_path_ptr: &ret_buf);
313 if (ACPI_FAILURE(status)) {
314 acpi_os_printf
315 (format: "Could not convert name to pathname\n");
316 } else {
317 acpi_os_printf(format: "Pathname: %s",
318 (char *)ret_buf.pointer);
319 }
320
321 acpi_os_printf(format: "\n");
322 acpi_ut_debug_dump_buffer(buffer: (void *)obj_desc,
323 count: sizeof(struct
324 acpi_namespace_node),
325 display, ACPI_UINT32_MAX);
326 } else {
327 acpi_os_printf(format: "\n");
328 acpi_ut_debug_dump_buffer(buffer: (void *)obj_desc,
329 count: sizeof(union
330 acpi_operand_object),
331 display, ACPI_UINT32_MAX);
332 }
333
334 acpi_ex_dump_object_descriptor(object: obj_desc, flags: 1);
335 }
336}
337
338/*******************************************************************************
339 *
340 * FUNCTION: acpi_db_display_method_info
341 *
342 * PARAMETERS: start_op - Root of the control method parse tree
343 *
344 * RETURN: None
345 *
346 * DESCRIPTION: Display information about the current method
347 *
348 ******************************************************************************/
349
350void acpi_db_display_method_info(union acpi_parse_object *start_op)
351{
352 struct acpi_walk_state *walk_state;
353 union acpi_operand_object *obj_desc;
354 struct acpi_namespace_node *node;
355 union acpi_parse_object *root_op;
356 union acpi_parse_object *op;
357 const struct acpi_opcode_info *op_info;
358 u32 num_ops = 0;
359 u32 num_operands = 0;
360 u32 num_operators = 0;
361 u32 num_remaining_ops = 0;
362 u32 num_remaining_operands = 0;
363 u32 num_remaining_operators = 0;
364 u8 count_remaining = FALSE;
365
366 walk_state = acpi_ds_get_current_walk_state(thread: acpi_gbl_current_walk_list);
367 if (!walk_state) {
368 acpi_os_printf(format: "There is no method currently executing\n");
369 return;
370 }
371
372 obj_desc = walk_state->method_desc;
373 node = walk_state->method_node;
374
375 acpi_os_printf(format: "Currently executing control method is [%4.4s]\n",
376 acpi_ut_get_node_name(object: node));
377 acpi_os_printf(format: "%X Arguments, SyncLevel = %X\n",
378 (u32)obj_desc->method.param_count,
379 (u32)obj_desc->method.sync_level);
380
381 root_op = start_op;
382 while (root_op->common.parent) {
383 root_op = root_op->common.parent;
384 }
385
386 op = root_op;
387
388 while (op) {
389 if (op == start_op) {
390 count_remaining = TRUE;
391 }
392
393 num_ops++;
394 if (count_remaining) {
395 num_remaining_ops++;
396 }
397
398 /* Decode the opcode */
399
400 op_info = acpi_ps_get_opcode_info(opcode: op->common.aml_opcode);
401 switch (op_info->class) {
402 case AML_CLASS_ARGUMENT:
403
404 if (count_remaining) {
405 num_remaining_operands++;
406 }
407
408 num_operands++;
409 break;
410
411 case AML_CLASS_UNKNOWN:
412
413 /* Bad opcode or ASCII character */
414
415 continue;
416
417 default:
418
419 if (count_remaining) {
420 num_remaining_operators++;
421 }
422
423 num_operators++;
424 break;
425 }
426
427 op = acpi_ps_get_depth_next(origin: start_op, op);
428 }
429
430 acpi_os_printf
431 (format: "Method contains: %X AML Opcodes - %X Operators, %X Operands\n",
432 num_ops, num_operators, num_operands);
433
434 acpi_os_printf
435 (format: "Remaining to execute: %X AML Opcodes - %X Operators, %X Operands\n",
436 num_remaining_ops, num_remaining_operators,
437 num_remaining_operands);
438}
439
440/*******************************************************************************
441 *
442 * FUNCTION: acpi_db_display_locals
443 *
444 * PARAMETERS: None
445 *
446 * RETURN: None
447 *
448 * DESCRIPTION: Display all locals for the currently running control method
449 *
450 ******************************************************************************/
451
452void acpi_db_display_locals(void)
453{
454 struct acpi_walk_state *walk_state;
455
456 walk_state = acpi_ds_get_current_walk_state(thread: acpi_gbl_current_walk_list);
457 if (!walk_state) {
458 acpi_os_printf(format: "There is no method currently executing\n");
459 return;
460 }
461
462 acpi_db_decode_locals(walk_state);
463}
464
465/*******************************************************************************
466 *
467 * FUNCTION: acpi_db_display_arguments
468 *
469 * PARAMETERS: None
470 *
471 * RETURN: None
472 *
473 * DESCRIPTION: Display all arguments for the currently running control method
474 *
475 ******************************************************************************/
476
477void acpi_db_display_arguments(void)
478{
479 struct acpi_walk_state *walk_state;
480
481 walk_state = acpi_ds_get_current_walk_state(thread: acpi_gbl_current_walk_list);
482 if (!walk_state) {
483 acpi_os_printf(format: "There is no method currently executing\n");
484 return;
485 }
486
487 acpi_db_decode_arguments(walk_state);
488}
489
490/*******************************************************************************
491 *
492 * FUNCTION: acpi_db_display_results
493 *
494 * PARAMETERS: None
495 *
496 * RETURN: None
497 *
498 * DESCRIPTION: Display current contents of a method result stack
499 *
500 ******************************************************************************/
501
502void acpi_db_display_results(void)
503{
504 u32 i;
505 struct acpi_walk_state *walk_state;
506 union acpi_operand_object *obj_desc;
507 u32 result_count = 0;
508 struct acpi_namespace_node *node;
509 union acpi_generic_state *frame;
510 u32 index; /* Index onto current frame */
511
512 walk_state = acpi_ds_get_current_walk_state(thread: acpi_gbl_current_walk_list);
513 if (!walk_state) {
514 acpi_os_printf(format: "There is no method currently executing\n");
515 return;
516 }
517
518 node = walk_state->method_node;
519
520 if (walk_state->results) {
521 result_count = walk_state->result_count;
522 }
523
524 acpi_os_printf(format: "Method [%4.4s] has %X stacked result objects\n",
525 acpi_ut_get_node_name(object: node), result_count);
526
527 /* From the top element of result stack */
528
529 frame = walk_state->results;
530 index = (result_count - 1) % ACPI_RESULTS_FRAME_OBJ_NUM;
531
532 for (i = 0; i < result_count; i++) {
533 obj_desc = frame->results.obj_desc[index];
534 acpi_os_printf(format: "Result%u: ", i);
535 acpi_db_display_internal_object(obj_desc, walk_state);
536
537 if (index == 0) {
538 frame = frame->results.next;
539 index = ACPI_RESULTS_FRAME_OBJ_NUM;
540 }
541
542 index--;
543 }
544}
545
546/*******************************************************************************
547 *
548 * FUNCTION: acpi_db_display_calling_tree
549 *
550 * PARAMETERS: None
551 *
552 * RETURN: None
553 *
554 * DESCRIPTION: Display current calling tree of nested control methods
555 *
556 ******************************************************************************/
557
558void acpi_db_display_calling_tree(void)
559{
560 struct acpi_walk_state *walk_state;
561 struct acpi_namespace_node *node;
562
563 walk_state = acpi_ds_get_current_walk_state(thread: acpi_gbl_current_walk_list);
564 if (!walk_state) {
565 acpi_os_printf(format: "There is no method currently executing\n");
566 return;
567 }
568
569 acpi_os_printf(format: "Current Control Method Call Tree\n");
570
571 while (walk_state) {
572 node = walk_state->method_node;
573 acpi_os_printf(format: " [%4.4s]\n", acpi_ut_get_node_name(object: node));
574
575 walk_state = walk_state->next;
576 }
577}
578
579/*******************************************************************************
580 *
581 * FUNCTION: acpi_db_display_object_type
582 *
583 * PARAMETERS: object_arg - User entered NS node handle
584 *
585 * RETURN: None
586 *
587 * DESCRIPTION: Display type of an arbitrary NS node
588 *
589 ******************************************************************************/
590
591void acpi_db_display_object_type(char *object_arg)
592{
593 acpi_size arg;
594 acpi_handle handle;
595 struct acpi_device_info *info;
596 acpi_status status;
597 u32 i;
598
599 arg = strtoul(object_arg, NULL, 16);
600 handle = ACPI_TO_POINTER(arg);
601
602 status = acpi_get_object_info(object: handle, return_buffer: &info);
603 if (ACPI_FAILURE(status)) {
604 acpi_os_printf(format: "Could not get object info, %s\n",
605 acpi_format_exception(exception: status));
606 return;
607 }
608
609 acpi_os_printf(format: "ADR: %8.8X%8.8X, Flags: %X\n",
610 ACPI_FORMAT_UINT64(info->address), info->flags);
611
612 acpi_os_printf(format: "S1D-%2.2X S2D-%2.2X S3D-%2.2X S4D-%2.2X\n",
613 info->highest_dstates[0], info->highest_dstates[1],
614 info->highest_dstates[2], info->highest_dstates[3]);
615
616 acpi_os_printf(format: "S0W-%2.2X S1W-%2.2X S2W-%2.2X S3W-%2.2X S4W-%2.2X\n",
617 info->lowest_dstates[0], info->lowest_dstates[1],
618 info->lowest_dstates[2], info->lowest_dstates[3],
619 info->lowest_dstates[4]);
620
621 if (info->valid & ACPI_VALID_HID) {
622 acpi_os_printf(format: "HID: %s\n", info->hardware_id.string);
623 }
624
625 if (info->valid & ACPI_VALID_UID) {
626 acpi_os_printf(format: "UID: %s\n", info->unique_id.string);
627 }
628
629 if (info->valid & ACPI_VALID_CID) {
630 for (i = 0; i < info->compatible_id_list.count; i++) {
631 acpi_os_printf(format: "CID %u: %s\n", i,
632 info->compatible_id_list.ids[i].string);
633 }
634 }
635
636 ACPI_FREE(info);
637}
638
639/*******************************************************************************
640 *
641 * FUNCTION: acpi_db_display_result_object
642 *
643 * PARAMETERS: obj_desc - Object to be displayed
644 * walk_state - Current walk state
645 *
646 * RETURN: None
647 *
648 * DESCRIPTION: Display the result of an AML opcode
649 *
650 * Note: Currently only displays the result object if we are single stepping.
651 * However, this output may be useful in other contexts and could be enabled
652 * to do so if needed.
653 *
654 ******************************************************************************/
655
656void
657acpi_db_display_result_object(union acpi_operand_object *obj_desc,
658 struct acpi_walk_state *walk_state)
659{
660
661#ifndef ACPI_APPLICATION
662 if (acpi_gbl_db_thread_id != acpi_os_get_thread_id()) {
663 return;
664 }
665#endif
666
667 /* Only display if single stepping */
668
669 if (!acpi_gbl_cm_single_step) {
670 return;
671 }
672
673 acpi_os_printf(format: "ResultObj: ");
674 acpi_db_display_internal_object(obj_desc, walk_state);
675 acpi_os_printf(format: "\n");
676}
677
678/*******************************************************************************
679 *
680 * FUNCTION: acpi_db_display_argument_object
681 *
682 * PARAMETERS: obj_desc - Object to be displayed
683 * walk_state - Current walk state
684 *
685 * RETURN: None
686 *
687 * DESCRIPTION: Display the result of an AML opcode
688 *
689 ******************************************************************************/
690
691void
692acpi_db_display_argument_object(union acpi_operand_object *obj_desc,
693 struct acpi_walk_state *walk_state)
694{
695
696#ifndef ACPI_APPLICATION
697 if (acpi_gbl_db_thread_id != acpi_os_get_thread_id()) {
698 return;
699 }
700#endif
701
702 if (!acpi_gbl_cm_single_step) {
703 return;
704 }
705
706 acpi_os_printf(format: "ArgObj: ");
707 acpi_db_display_internal_object(obj_desc, walk_state);
708}
709
710#if (!ACPI_REDUCED_HARDWARE)
711/*******************************************************************************
712 *
713 * FUNCTION: acpi_db_display_gpes
714 *
715 * PARAMETERS: None
716 *
717 * RETURN: None
718 *
719 * DESCRIPTION: Display the current GPE structures
720 *
721 ******************************************************************************/
722
723void acpi_db_display_gpes(void)
724{
725 struct acpi_gpe_block_info *gpe_block;
726 struct acpi_gpe_xrupt_info *gpe_xrupt_info;
727 struct acpi_gpe_event_info *gpe_event_info;
728 struct acpi_gpe_register_info *gpe_register_info;
729 char *gpe_type;
730 struct acpi_gpe_notify_info *notify;
731 u32 gpe_index;
732 u32 block = 0;
733 u32 i;
734 u32 j;
735 u32 count;
736 char buffer[80];
737 struct acpi_buffer ret_buf;
738 acpi_status status;
739
740 ret_buf.length = sizeof(buffer);
741 ret_buf.pointer = buffer;
742
743 block = 0;
744
745 /* Walk the GPE lists */
746
747 gpe_xrupt_info = acpi_gbl_gpe_xrupt_list_head;
748 while (gpe_xrupt_info) {
749 gpe_block = gpe_xrupt_info->gpe_block_list_head;
750 while (gpe_block) {
751 status = acpi_get_name(gpe_block->node,
752 ACPI_FULL_PATHNAME_NO_TRAILING,
753 &ret_buf);
754 if (ACPI_FAILURE(status)) {
755 acpi_os_printf
756 ("Could not convert name to pathname\n");
757 }
758
759 if (gpe_block->node == acpi_gbl_fadt_gpe_device) {
760 gpe_type = "FADT-defined GPE block";
761 } else {
762 gpe_type = "GPE Block Device";
763 }
764
765 acpi_os_printf
766 ("\nBlock %u - Info %p DeviceNode %p [%s] - %s\n",
767 block, gpe_block, gpe_block->node, buffer,
768 gpe_type);
769
770 acpi_os_printf(" Registers: %u (%u GPEs)\n",
771 gpe_block->register_count,
772 gpe_block->gpe_count);
773
774 acpi_os_printf
775 (" GPE range: 0x%X to 0x%X on interrupt %u\n",
776 gpe_block->block_base_number,
777 gpe_block->block_base_number +
778 (gpe_block->gpe_count - 1),
779 gpe_xrupt_info->interrupt_number);
780
781 acpi_os_printf
782 (" RegisterInfo: %p Status %8.8X%8.8X Enable %8.8X%8.8X\n",
783 gpe_block->register_info,
784 ACPI_FORMAT_UINT64(gpe_block->register_info->
785 status_address.address),
786 ACPI_FORMAT_UINT64(gpe_block->register_info->
787 enable_address.address));
788
789 acpi_os_printf(" EventInfo: %p\n",
790 gpe_block->event_info);
791
792 /* Examine each GPE Register within the block */
793
794 for (i = 0; i < gpe_block->register_count; i++) {
795 gpe_register_info =
796 &gpe_block->register_info[i];
797
798 acpi_os_printf(" Reg %u: (GPE %.2X-%.2X) "
799 "RunEnable %2.2X WakeEnable %2.2X"
800 " Status %8.8X%8.8X Enable %8.8X%8.8X\n",
801 i,
802 gpe_register_info->
803 base_gpe_number,
804 gpe_register_info->
805 base_gpe_number +
806 (ACPI_GPE_REGISTER_WIDTH - 1),
807 gpe_register_info->
808 enable_for_run,
809 gpe_register_info->
810 enable_for_wake,
811 ACPI_FORMAT_UINT64
812 (gpe_register_info->
813 status_address.address),
814 ACPI_FORMAT_UINT64
815 (gpe_register_info->
816 enable_address.address));
817
818 /* Now look at the individual GPEs in this byte register */
819
820 for (j = 0; j < ACPI_GPE_REGISTER_WIDTH; j++) {
821 gpe_index =
822 (i * ACPI_GPE_REGISTER_WIDTH) + j;
823 gpe_event_info =
824 &gpe_block->event_info[gpe_index];
825
826 if (ACPI_GPE_DISPATCH_TYPE
827 (gpe_event_info->flags) ==
828 ACPI_GPE_DISPATCH_NONE) {
829
830 /* This GPE is not used (no method or handler), ignore it */
831
832 continue;
833 }
834
835 acpi_os_printf
836 (" GPE %.2X: %p RunRefs %2.2X Flags %2.2X (",
837 gpe_block->block_base_number +
838 gpe_index, gpe_event_info,
839 gpe_event_info->runtime_count,
840 gpe_event_info->flags);
841
842 /* Decode the flags byte */
843
844 if (gpe_event_info->
845 flags & ACPI_GPE_LEVEL_TRIGGERED) {
846 acpi_os_printf("Level, ");
847 } else {
848 acpi_os_printf("Edge, ");
849 }
850
851 if (gpe_event_info->
852 flags & ACPI_GPE_CAN_WAKE) {
853 acpi_os_printf("CanWake, ");
854 } else {
855 acpi_os_printf("RunOnly, ");
856 }
857
858 switch (ACPI_GPE_DISPATCH_TYPE
859 (gpe_event_info->flags)) {
860 case ACPI_GPE_DISPATCH_NONE:
861
862 acpi_os_printf("NotUsed");
863 break;
864
865 case ACPI_GPE_DISPATCH_METHOD:
866
867 acpi_os_printf("Method");
868 break;
869
870 case ACPI_GPE_DISPATCH_HANDLER:
871
872 acpi_os_printf("Handler");
873 break;
874
875 case ACPI_GPE_DISPATCH_NOTIFY:
876
877 count = 0;
878 notify =
879 gpe_event_info->dispatch.
880 notify_list;
881 while (notify) {
882 count++;
883 notify = notify->next;
884 }
885
886 acpi_os_printf
887 ("Implicit Notify on %u devices",
888 count);
889 break;
890
891 case ACPI_GPE_DISPATCH_RAW_HANDLER:
892
893 acpi_os_printf("RawHandler");
894 break;
895
896 default:
897
898 acpi_os_printf("UNKNOWN: %X",
899 ACPI_GPE_DISPATCH_TYPE
900 (gpe_event_info->
901 flags));
902 break;
903 }
904
905 acpi_os_printf(")\n");
906 }
907 }
908
909 block++;
910 gpe_block = gpe_block->next;
911 }
912
913 gpe_xrupt_info = gpe_xrupt_info->next;
914 }
915}
916#endif /* !ACPI_REDUCED_HARDWARE */
917
918/*******************************************************************************
919 *
920 * FUNCTION: acpi_db_display_handlers
921 *
922 * PARAMETERS: None
923 *
924 * RETURN: None
925 *
926 * DESCRIPTION: Display the currently installed global handlers
927 *
928 ******************************************************************************/
929
930void acpi_db_display_handlers(void)
931{
932 union acpi_operand_object *obj_desc;
933 union acpi_operand_object *handler_obj;
934 acpi_adr_space_type space_id;
935 u32 i;
936
937 /* Operation region handlers */
938
939 acpi_os_printf(format: "\nOperation Region Handlers at the namespace root:\n");
940
941 obj_desc = acpi_ns_get_attached_object(node: acpi_gbl_root_node);
942 if (obj_desc) {
943 for (i = 0; i < ACPI_ARRAY_LENGTH(acpi_gbl_space_id_list); i++) {
944 space_id = acpi_gbl_space_id_list[i];
945
946 acpi_os_printf(ACPI_PREDEFINED_PREFIX,
947 acpi_ut_get_region_name(space_id: (u8)space_id),
948 space_id);
949
950 handler_obj =
951 acpi_ev_find_region_handler(space_id,
952 handler_obj: obj_desc->common_notify.
953 handler);
954 if (handler_obj) {
955 acpi_os_printf(ACPI_HANDLER_PRESENT_STRING,
956 (handler_obj->address_space.
957 handler_flags &
958 ACPI_ADDR_HANDLER_DEFAULT_INSTALLED)
959 ? "Default" : "User",
960 handler_obj->address_space.
961 handler);
962
963 goto found_handler;
964 }
965
966 /* There is no handler for this space_id */
967
968 acpi_os_printf(format: "None\n");
969
970found_handler: ;
971 }
972
973 /* Find all handlers for user-defined space_IDs */
974
975 handler_obj = obj_desc->common_notify.handler;
976 while (handler_obj) {
977 if (handler_obj->address_space.space_id >=
978 ACPI_USER_REGION_BEGIN) {
979 acpi_os_printf(ACPI_PREDEFINED_PREFIX,
980 "User-defined ID",
981 handler_obj->address_space.
982 space_id);
983 acpi_os_printf(ACPI_HANDLER_PRESENT_STRING,
984 (handler_obj->address_space.
985 handler_flags &
986 ACPI_ADDR_HANDLER_DEFAULT_INSTALLED)
987 ? "Default" : "User",
988 handler_obj->address_space.
989 handler);
990 }
991
992 handler_obj = handler_obj->address_space.next;
993 }
994 }
995#if (!ACPI_REDUCED_HARDWARE)
996
997 /* Fixed event handlers */
998
999 acpi_os_printf("\nFixed Event Handlers:\n");
1000
1001 for (i = 0; i < ACPI_NUM_FIXED_EVENTS; i++) {
1002 acpi_os_printf(ACPI_PREDEFINED_PREFIX,
1003 acpi_ut_get_event_name(i), i);
1004 if (acpi_gbl_fixed_event_handlers[i].handler) {
1005 acpi_os_printf(ACPI_HANDLER_PRESENT_STRING, "User",
1006 acpi_gbl_fixed_event_handlers[i].
1007 handler);
1008 } else {
1009 acpi_os_printf(ACPI_HANDLER_NOT_PRESENT_STRING, "None");
1010 }
1011 }
1012
1013#endif /* !ACPI_REDUCED_HARDWARE */
1014
1015 /* Miscellaneous global handlers */
1016
1017 acpi_os_printf(format: "\nMiscellaneous Global Handlers:\n");
1018
1019 for (i = 0; i < ACPI_ARRAY_LENGTH(acpi_gbl_handler_list); i++) {
1020 acpi_os_printf(ACPI_HANDLER_NAME_STRING,
1021 acpi_gbl_handler_list[i].name);
1022
1023 if (acpi_gbl_handler_list[i].handler) {
1024 acpi_os_printf(ACPI_HANDLER_PRESENT_STRING, "User",
1025 acpi_gbl_handler_list[i].handler);
1026 } else {
1027 acpi_os_printf(ACPI_HANDLER_NOT_PRESENT_STRING, "None");
1028 }
1029 }
1030
1031 /* Other handlers that are installed throughout the namespace */
1032
1033 acpi_os_printf(format: "\nOperation Region Handlers for specific devices:\n");
1034
1035 (void)acpi_walk_namespace(ACPI_TYPE_DEVICE, ACPI_ROOT_OBJECT,
1036 ACPI_UINT32_MAX,
1037 descending_callback: acpi_db_display_non_root_handlers, NULL, NULL,
1038 NULL);
1039}
1040
1041/*******************************************************************************
1042 *
1043 * FUNCTION: acpi_db_display_non_root_handlers
1044 *
1045 * PARAMETERS: acpi_walk_callback
1046 *
1047 * RETURN: Status
1048 *
1049 * DESCRIPTION: Display information about all handlers installed for a
1050 * device object.
1051 *
1052 ******************************************************************************/
1053
1054static acpi_status
1055acpi_db_display_non_root_handlers(acpi_handle obj_handle,
1056 u32 nesting_level,
1057 void *context, void **return_value)
1058{
1059 struct acpi_namespace_node *node =
1060 ACPI_CAST_PTR(struct acpi_namespace_node, obj_handle);
1061 union acpi_operand_object *obj_desc;
1062 union acpi_operand_object *handler_obj;
1063 char *pathname;
1064
1065 obj_desc = acpi_ns_get_attached_object(node);
1066 if (!obj_desc) {
1067 return (AE_OK);
1068 }
1069
1070 pathname = acpi_ns_get_normalized_pathname(node, TRUE);
1071 if (!pathname) {
1072 return (AE_OK);
1073 }
1074
1075 /* Display all handlers associated with this device */
1076
1077 handler_obj = obj_desc->common_notify.handler;
1078 while (handler_obj) {
1079 acpi_os_printf(ACPI_PREDEFINED_PREFIX,
1080 acpi_ut_get_region_name(space_id: (u8)handler_obj->
1081 address_space.space_id),
1082 handler_obj->address_space.space_id);
1083
1084 acpi_os_printf(ACPI_HANDLER_PRESENT_STRING2,
1085 (handler_obj->address_space.handler_flags &
1086 ACPI_ADDR_HANDLER_DEFAULT_INSTALLED) ? "Default"
1087 : "User", handler_obj->address_space.handler);
1088
1089 acpi_os_printf(format: " Device Name: %s (%p)\n", pathname, node);
1090
1091 handler_obj = handler_obj->address_space.next;
1092 }
1093
1094 ACPI_FREE(pathname);
1095 return (AE_OK);
1096}
1097

source code of linux/drivers/acpi/acpica/dbdisply.c