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   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(op->common.aml_opcode);
 115
 116	acpi_os_printf("Parser Op Descriptor:\n");
 117	acpi_os_printf("%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("%20.20s : %p\n", "Value/ArgList", op->common.value.arg);
 123	acpi_os_printf("%20.20s : %p\n", "Parent", op->common.parent);
 124	acpi_os_printf("%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(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(obj_ptr, 16)) {
 177			acpi_os_printf
 178			    ("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			    (obj_ptr, sizeof(struct acpi_namespace_node))) {
 192				acpi_os_printf
 193				    ("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			    (obj_ptr, sizeof(union acpi_operand_object))) {
 207				acpi_os_printf
 208				    ("Cannot read entire ACPI object at address %p\n",
 209				     obj_ptr);
 210				return;
 211			}
 212
 213			acpi_ut_debug_dump_buffer(obj_ptr,
 214						  sizeof(union
 215							 acpi_operand_object),
 216						  display, ACPI_UINT32_MAX);
 217			acpi_ex_dump_object_descriptor(obj_ptr, 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			    (obj_ptr, sizeof(union acpi_parse_object))) {
 226				acpi_os_printf
 227				    ("Cannot read entire Parser object at address %p\n",
 228				     obj_ptr);
 229				return;
 230			}
 231
 232			acpi_ut_debug_dump_buffer(obj_ptr,
 233						  sizeof(union
 234							 acpi_parse_object),
 235						  display, ACPI_UINT32_MAX);
 236			acpi_db_dump_parser_descriptor((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			    ("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(obj_ptr, 64)) {
 250				size = 64;
 251			}
 252
 253			/* Just dump some memory */
 254
 255			acpi_ut_debug_dump_buffer(obj_ptr, 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(target);
 266	if (!node) {
 267		return;
 268	}
 269
 270dump_node:
 271	/* Now dump the NS node */
 272
 273	status = acpi_get_name(node, ACPI_FULL_PATHNAME_NO_TRAILING, &ret_buf);
 274	if (ACPI_FAILURE(status)) {
 275		acpi_os_printf("Could not convert name to pathname\n");
 276	}
 277
 278	else {
 279		acpi_os_printf("Object %p: Namespace Node - Pathname: %s\n",
 280			       node, (char *)ret_buf.pointer);
 281	}
 282
 283	if (!acpi_os_readable(node, sizeof(struct acpi_namespace_node))) {
 284		acpi_os_printf("Invalid Named object at address %p\n", node);
 285		return;
 286	}
 287
 288	acpi_ut_debug_dump_buffer((void *)node,
 289				  sizeof(struct acpi_namespace_node), display,
 290				  ACPI_UINT32_MAX);
 291	acpi_ex_dump_namespace_node(node, 1);
 292
 293	obj_desc = acpi_ns_get_attached_object(node);
 294	if (obj_desc) {
 295		acpi_os_printf("\nAttached Object %p:", obj_desc);
 296		if (!acpi_os_readable
 297		    (obj_desc, sizeof(union acpi_operand_object))) {
 298			acpi_os_printf
 299			    ("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(" Namespace Node - ");
 308			status =
 309			    acpi_get_name((struct acpi_namespace_node *)
 310					  obj_desc,
 311					  ACPI_FULL_PATHNAME_NO_TRAILING,
 312					  &ret_buf);
 313			if (ACPI_FAILURE(status)) {
 314				acpi_os_printf
 315				    ("Could not convert name to pathname\n");
 316			} else {
 317				acpi_os_printf("Pathname: %s",
 318					       (char *)ret_buf.pointer);
 319			}
 320
 321			acpi_os_printf("\n");
 322			acpi_ut_debug_dump_buffer((void *)obj_desc,
 323						  sizeof(struct
 324							 acpi_namespace_node),
 325						  display, ACPI_UINT32_MAX);
 326		} else {
 327			acpi_os_printf("\n");
 328			acpi_ut_debug_dump_buffer((void *)obj_desc,
 329						  sizeof(union
 330							 acpi_operand_object),
 331						  display, ACPI_UINT32_MAX);
 332		}
 333
 334		acpi_ex_dump_object_descriptor(obj_desc, 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(acpi_gbl_current_walk_list);
 367	if (!walk_state) {
 368		acpi_os_printf("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("Currently executing control method is [%4.4s]\n",
 376		       acpi_ut_get_node_name(node));
 377	acpi_os_printf("%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(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(start_op, op);
 428	}
 429
 430	acpi_os_printf
 431	    ("Method contains:       %X AML Opcodes - %X Operators, %X Operands\n",
 432	     num_ops, num_operators, num_operands);
 433
 434	acpi_os_printf
 435	    ("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(acpi_gbl_current_walk_list);
 457	if (!walk_state) {
 458		acpi_os_printf("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(acpi_gbl_current_walk_list);
 482	if (!walk_state) {
 483		acpi_os_printf("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(acpi_gbl_current_walk_list);
 513	if (!walk_state) {
 514		acpi_os_printf("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("Method [%4.4s] has %X stacked result objects\n",
 525		       acpi_ut_get_node_name(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("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(acpi_gbl_current_walk_list);
 564	if (!walk_state) {
 565		acpi_os_printf("There is no method currently executing\n");
 566		return;
 567	}
 568
 569	acpi_os_printf("Current Control Method Call Tree\n");
 570
 571	while (walk_state) {
 572		node = walk_state->method_node;
 573		acpi_os_printf("  [%4.4s]\n", acpi_ut_get_node_name(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(handle, &info);
 603	if (ACPI_FAILURE(status)) {
 604		acpi_os_printf("Could not get object info, %s\n",
 605			       acpi_format_exception(status));
 606		return;
 607	}
 608
 609	acpi_os_printf("ADR: %8.8X%8.8X, Flags: %X\n",
 610		       ACPI_FORMAT_UINT64(info->address), info->flags);
 611
 612	acpi_os_printf("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("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("HID: %s\n", info->hardware_id.string);
 623	}
 624
 625	if (info->valid & ACPI_VALID_UID) {
 626		acpi_os_printf("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("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("ResultObj: ");
 674	acpi_db_display_internal_object(obj_desc, walk_state);
 675	acpi_os_printf("\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("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("\nOperation Region Handlers at the namespace root:\n");
 940
 941	obj_desc = acpi_ns_get_attached_object(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((u8)space_id),
 948				       space_id);
 949
 950			handler_obj =
 951			    acpi_ev_find_region_handler(space_id,
 952							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("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("\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("\nOperation Region Handlers for specific devices:\n");
1034
1035	(void)acpi_walk_namespace(ACPI_TYPE_DEVICE, ACPI_ROOT_OBJECT,
1036				  ACPI_UINT32_MAX,
1037				  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((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(" 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}