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

   1/******************************************************************************
   2 *
   3 * Module Name: nsdump - table dumping routines for debug
   4 *
   5 *****************************************************************************/
   6
   7/*
   8 * Copyright (C) 2000 - 2017, 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#include <acpi/acpi.h>
  45
  46/* TBD: This entire module is apparently obsolete and should be removed */
  47
  48#define _COMPONENT          ACPI_NAMESPACE
  49ACPI_MODULE_NAME("nsdumpdv")
  50#ifdef ACPI_OBSOLETE_FUNCTIONS
  51#if defined(ACPI_DEBUG_OUTPUT) || defined(ACPI_DEBUGGER)
  52#include "acnamesp.h"
  53/*******************************************************************************
  54 *
  55 * FUNCTION:    acpi_ns_dump_one_device
  56 *
  57 * PARAMETERS:  handle              - Node to be dumped
  58 *              level               - Nesting level of the handle
  59 *              context             - Passed into walk_namespace
  60 *              return_value        - Not used
  61 *
  62 * RETURN:      Status
  63 *
  64 * DESCRIPTION: Dump a single Node that represents a device
  65 *              This procedure is a user_function called by acpi_ns_walk_namespace.
  66 *
  67 ******************************************************************************/
  68static acpi_status
  69acpi_ns_dump_one_device(acpi_handle obj_handle,
  70                        u32 level, void *context, void **return_value)
  71{
  72        struct acpi_buffer buffer;
  73        struct acpi_device_info *info;
  74        acpi_status status;
  75        u32 i;
  76
  77        ACPI_FUNCTION_NAME(ns_dump_one_device);
  78
  79        status =
  80            acpi_ns_dump_one_object(obj_handle, level, context, return_value);
  81
  82        buffer.length = ACPI_ALLOCATE_LOCAL_BUFFER;
  83        status = acpi_get_object_info(obj_handle, &buffer);
  84        if (ACPI_SUCCESS(status)) {
  85                info = buffer.pointer;
  86                for (i = 0; i < level; i++) {
  87                        ACPI_DEBUG_PRINT_RAW((ACPI_DB_TABLES, " "));
  88                }
  89
  90                ACPI_DEBUG_PRINT_RAW((ACPI_DB_TABLES,
  91                                      "    HID: %s, ADR: %8.8X%8.8X, Status: %X\n",
  92                                      info->hardware_id.value,
  93                                      ACPI_FORMAT_UINT64(info->address),
  94                                      info->current_status));
  95                ACPI_FREE(info);
  96        }
  97
  98        return (status);
  99}
 100
 101/*******************************************************************************
 102 *
 103 * FUNCTION:    acpi_ns_dump_root_devices
 104 *
 105 * PARAMETERS:  None
 106 *
 107 * RETURN:      None
 108 *
 109 * DESCRIPTION: Dump all objects of type "device"
 110 *
 111 ******************************************************************************/
 112
 113void acpi_ns_dump_root_devices(void)
 114{
 115        acpi_handle sys_bus_handle;
 116        acpi_status status;
 117
 118        ACPI_FUNCTION_NAME(ns_dump_root_devices);
 119
 120        /* Only dump the table if tracing is enabled */
 121
 122        if (!(ACPI_LV_TABLES & acpi_dbg_level)) {
 123                return;
 124        }
 125
 126        status = acpi_get_handle(NULL, METHOD_NAME__SB_, &sys_bus_handle);
 127        if (ACPI_FAILURE(status)) {
 128                return;
 129        }
 130
 131        ACPI_DEBUG_PRINT((ACPI_DB_TABLES,
 132                          "Display of all devices in the namespace:\n"));
 133
 134        status = acpi_ns_walk_namespace(ACPI_TYPE_DEVICE, sys_bus_handle,
 135                                        ACPI_UINT32_MAX, ACPI_NS_WALK_NO_UNLOCK,
 136                                        acpi_ns_dump_one_device, NULL, NULL,
 137                                        NULL);
 138}
 139
 140#endif
 141#endif
 142