LXR linux/drivers/acpi/acpica/nsdumpdv.c

   1// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0
   2/******************************************************************************
   3 *
   4 * Module Name: nsdump - table dumping routines for debug
   5 *
   6 * Copyright (C) 2000 - 2021, Intel Corp.
   7 *
   8 *****************************************************************************/
   9
  10#include <acpi/acpi.h>
  11
  12/* TBD: This entire module is apparently obsolete and should be removed */
  13
  14#define _COMPONENT          ACPI_NAMESPACE
  15ACPI_MODULE_NAME("nsdumpdv")
  16#ifdef ACPI_OBSOLETE_FUNCTIONS
  17#if defined(ACPI_DEBUG_OUTPUT) || defined(ACPI_DEBUGGER)
  18#include "acnamesp.h"
  19/*******************************************************************************
  20 *
  21 * FUNCTION:    acpi_ns_dump_one_device
  22 *
  23 * PARAMETERS:  handle              - Node to be dumped
  24 *              level               - Nesting level of the handle
  25 *              context             - Passed into walk_namespace
  26 *              return_value        - Not used
  27 *
  28 * RETURN:      Status
  29 *
  30 * DESCRIPTION: Dump a single Node that represents a device
  31 *              This procedure is a user_function called by acpi_ns_walk_namespace.
  32 *
  33 ******************************************************************************/
  34static acpi_status
  35acpi_ns_dump_one_device(acpi_handle obj_handle,
  36                        u32 level, void *context, void **return_value)
  37{
  38        struct acpi_buffer buffer;
  39        struct acpi_device_info *info;
  40        acpi_status status;
  41        u32 i;
  42
  43        ACPI_FUNCTION_NAME(ns_dump_one_device);
  44
  45        status =
  46            acpi_ns_dump_one_object(obj_handle, level, context, return_value);
  47
  48        buffer.length = ACPI_ALLOCATE_LOCAL_BUFFER;
  49        status = acpi_get_object_info(obj_handle, &buffer);
  50        if (ACPI_SUCCESS(status)) {
  51                info = buffer.pointer;
  52                for (i = 0; i < level; i++) {
  53                        ACPI_DEBUG_PRINT_RAW((ACPI_DB_TABLES, " "));
  54                }
  55
  56                ACPI_DEBUG_PRINT_RAW((ACPI_DB_TABLES,
  57                                      "    HID: %s, ADR: %8.8X%8.8X\n",
  58                                      info->hardware_id.value,
  59                                      ACPI_FORMAT_UINT64(info->address)));
  60                ACPI_FREE(info);
  61        }
  62
  63        return (status);
  64}
  65
  66/*******************************************************************************
  67 *
  68 * FUNCTION:    acpi_ns_dump_root_devices
  69 *
  70 * PARAMETERS:  None
  71 *
  72 * RETURN:      None
  73 *
  74 * DESCRIPTION: Dump all objects of type "device"
  75 *
  76 ******************************************************************************/
  77
  78void acpi_ns_dump_root_devices(void)
  79{
  80        acpi_handle sys_bus_handle;
  81        acpi_status status;
  82
  83        ACPI_FUNCTION_NAME(ns_dump_root_devices);
  84
  85        /* Only dump the table if tracing is enabled */
  86
  87        if (!(ACPI_LV_TABLES & acpi_dbg_level)) {
  88                return;
  89        }
  90
  91        status = acpi_get_handle(NULL, METHOD_NAME__SB_, &sys_bus_handle);
  92        if (ACPI_FAILURE(status)) {
  93                return;
  94        }
  95
  96        ACPI_DEBUG_PRINT((ACPI_DB_TABLES,
  97                          "Display of all devices in the namespace:\n"));
  98
  99        status = acpi_ns_walk_namespace(ACPI_TYPE_DEVICE, sys_bus_handle,
 100                                        ACPI_UINT32_MAX, ACPI_NS_WALK_NO_UNLOCK,
 101                                        acpi_ns_dump_one_device, NULL, NULL,
 102                                        NULL);
 103}
 104
 105#endif
 106#endif
 107