drivers/acpi/namespace/nsdumpdv.c

   1 /******************************************************************************
   2  *
   3  * Module Name: nsdump - table dumping routines for debug
   4  *
   5  *****************************************************************************/
   6
   7 /*
   8  * Copyright (C) 2000 - 2005, R. Byron Moore
   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
  45 #include <acpi/acpi.h>
  46 #include <acpi/acnamesp.h>
  47
  48
  49 #define _COMPONENT          ACPI_NAMESPACE
  50          ACPI_MODULE_NAME    ("nsdumpdv")
  51
  52
  53 #if defined(ACPI_DEBUG_OUTPUT) || defined(ACPI_DEBUGGER)
  54
  55 /*******************************************************************************
  56  *
  57  * FUNCTION:    acpi_ns_dump_one_device
  58  *
  59  * PARAMETERS:  Handle              - Node to be dumped
  60  *              Level               - Nesting level of the handle
  61  *              Context             - Passed into walk_namespace
  62  *
  63  * DESCRIPTION: Dump a single Node that represents a device
  64  *              This procedure is a user_function called by acpi_ns_walk_namespace.
  65  *
  66  ******************************************************************************/
  67
  68 acpi_status
  69 acpi_ns_dump_one_device (
  70         acpi_handle                     obj_handle,
  71         u32                             level,
  72         void                            *context,
  73         void                            **return_value)
  74 {
  75         struct acpi_buffer              buffer;
  76         struct acpi_device_info         *info;
  77         acpi_status                     status;
  78         u32                             i;
  79
  80
  81         ACPI_FUNCTION_NAME ("ns_dump_one_device");
  82
  83
  84         status = acpi_ns_dump_one_object (obj_handle, level, context, return_value);
  85
  86         buffer.length = ACPI_ALLOCATE_LOCAL_BUFFER;
  87         status = acpi_get_object_info (obj_handle, &buffer);
  88         if (ACPI_SUCCESS (status)) {
  89                 info = buffer.pointer;
  90                 for (i = 0; i < level; i++) {
  91                         ACPI_DEBUG_PRINT_RAW ((ACPI_DB_TABLES, " "));
  92                 }
  93
  94                 ACPI_DEBUG_PRINT_RAW ((ACPI_DB_TABLES,
  95                         "    HID: %s, ADR: %8.8X%8.8X, Status: %X\n",
  96                         info->hardware_id.value, ACPI_FORMAT_UINT64 (info->address),
  97                         info->current_status));
  98                 ACPI_MEM_FREE (info);
  99         }
 100
 101         return (status);
 102 }
 103
 104
 105 /*******************************************************************************
 106  *
 107  * FUNCTION:    acpi_ns_dump_root_devices
 108  *
 109  * PARAMETERS:  None
 110  *
 111  * DESCRIPTION: Dump all objects of type "device"
 112  *
 113  ******************************************************************************/
 114
 115 void
 116 acpi_ns_dump_root_devices (void)
 117 {
 118         acpi_handle                     sys_bus_handle;
 119         acpi_status                     status;
 120
 121
 122         ACPI_FUNCTION_NAME ("ns_dump_root_devices");
 123
 124
 125         /* Only dump the table if tracing is enabled */
 126
 127         if (!(ACPI_LV_TABLES & acpi_dbg_level)) {
 128                 return;
 129         }
 130
 131         status = acpi_get_handle(NULL, ACPI_NS_SYSTEM_BUS, &sys_bus_handle);
 132         if (ACPI_FAILURE (status)) {
 133                 return;
 134         }
 135
 136         ACPI_DEBUG_PRINT ((ACPI_DB_TABLES,
 137                 "Display of all devices in the namespace:\n"));
 138
 139         status = acpi_ns_walk_namespace (ACPI_TYPE_DEVICE, sys_bus_handle,
 140                          ACPI_UINT32_MAX, ACPI_NS_WALK_NO_UNLOCK,
 141                          acpi_ns_dump_one_device, NULL, NULL);
 142 }
 143
 144 #endif
 145
 146