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 - 2020, 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
  15 ACPI_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  ******************************************************************************/
  34 static acpi_status
  35 acpi_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
  78 void 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