release/src-rt-6.x.4708/linux/linux-2.6.36/drivers/acpi/acpica/nsdumpdv.c

   1 /******************************************************************************
   2  *
   3  * Module Name: nsdump - table dumping routines for debug
   4  *
   5  *****************************************************************************/
   6
   7 /*
   8  * Copyright (C) 2000 - 2010, 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 #include "accommon.h"
  46
  47 /* TBD: This entire module is apparently obsolete and should be removed */
  48
  49 #define _COMPONENT          ACPI_NAMESPACE
  50 ACPI_MODULE_NAME("nsdumpdv")
  51 #ifdef ACPI_OBSOLETE_FUNCTIONS
  52 #if defined(ACPI_DEBUG_OUTPUT) || defined(ACPI_DEBUGGER)
  53 #include "acnamesp.h"
  54 /*******************************************************************************
  55  *
  56  * FUNCTION:    acpi_ns_dump_one_device
  57  *
  58  * PARAMETERS:  Handle              - Node to be dumped
  59  *              Level               - Nesting level of the handle
  60  *              Context             - Passed into walk_namespace
  61  *              return_value        - Not used
  62  *
  63  * RETURN:      Status
  64  *
  65  * DESCRIPTION: Dump a single Node that represents a device
  66  *              This procedure is a user_function called by acpi_ns_walk_namespace.
  67  *
  68  ******************************************************************************/
  69 static acpi_status
  70 acpi_ns_dump_one_device(acpi_handle obj_handle,
  71                         u32 level, void *context, void **return_value)
  72 {
  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         status = acpi_get_object_info(obj_handle, &info);
  83         if (ACPI_SUCCESS(status)) {
  84                 for (i = 0; i < level; i++) {
  85                         ACPI_DEBUG_PRINT_RAW((ACPI_DB_TABLES, " "));
  86                 }
  87
  88                 ACPI_DEBUG_PRINT_RAW((ACPI_DB_TABLES,
  89                                       "    HID: %s, ADR: %8.8X%8.8X, Status: %X\n",
  90                                       info->hardware_id.string,
  91                                       ACPI_FORMAT_UINT64(info->address),
  92                                       info->current_status));
  93                 ACPI_FREE(info);
  94         }
  95
  96         return (status);
  97 }
  98
  99 /*******************************************************************************
 100  *
 101  * FUNCTION:    acpi_ns_dump_root_devices
 102  *
 103  * PARAMETERS:  None
 104  *
 105  * RETURN:      None
 106  *
 107  * DESCRIPTION: Dump all objects of type "device"
 108  *
 109  ******************************************************************************/
 110
 111 void acpi_ns_dump_root_devices(void)
 112 {
 113         acpi_handle sys_bus_handle;
 114         acpi_status status;
 115
 116         ACPI_FUNCTION_NAME(ns_dump_root_devices);
 117
 118         /* Only dump the table if tracing is enabled */
 119
 120         if (!(ACPI_LV_TABLES & acpi_dbg_level)) {
 121                 return;
 122         }
 123
 124         status = acpi_get_handle(NULL, ACPI_NS_SYSTEM_BUS, &sys_bus_handle);
 125         if (ACPI_FAILURE(status)) {
 126                 return;
 127         }
 128
 129         ACPI_DEBUG_PRINT((ACPI_DB_TABLES,
 130                           "Display of all devices in the namespace:\n"));
 131
 132         status = acpi_ns_walk_namespace(ACPI_TYPE_DEVICE, sys_bus_handle,
 133                                         ACPI_UINT32_MAX, ACPI_NS_WALK_NO_UNLOCK,
 134                                         acpi_ns_dump_one_device, NULL, NULL,
 135                                         NULL);
 136 }
 137
 138 #endif
 139 #endif