mirror of https://gitee.com/openkylin/linux.git
107 lines
2.9 KiB
C
107 lines
2.9 KiB
C
// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0
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/******************************************************************************
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*
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* Module Name: nsdump - table dumping routines for debug
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*
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* Copyright (C) 2000 - 2018, Intel Corp.
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*
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*****************************************************************************/
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#include <acpi/acpi.h>
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/* TBD: This entire module is apparently obsolete and should be removed */
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#define _COMPONENT ACPI_NAMESPACE
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ACPI_MODULE_NAME("nsdumpdv")
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#ifdef ACPI_OBSOLETE_FUNCTIONS
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#if defined(ACPI_DEBUG_OUTPUT) || defined(ACPI_DEBUGGER)
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#include "acnamesp.h"
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/*******************************************************************************
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*
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* FUNCTION: acpi_ns_dump_one_device
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*
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* PARAMETERS: handle - Node to be dumped
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* level - Nesting level of the handle
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* context - Passed into walk_namespace
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* return_value - Not used
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*
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* RETURN: Status
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*
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* DESCRIPTION: Dump a single Node that represents a device
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* This procedure is a user_function called by acpi_ns_walk_namespace.
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*
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******************************************************************************/
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static acpi_status
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acpi_ns_dump_one_device(acpi_handle obj_handle,
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u32 level, void *context, void **return_value)
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{
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struct acpi_buffer buffer;
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struct acpi_device_info *info;
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acpi_status status;
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u32 i;
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ACPI_FUNCTION_NAME(ns_dump_one_device);
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status =
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acpi_ns_dump_one_object(obj_handle, level, context, return_value);
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buffer.length = ACPI_ALLOCATE_LOCAL_BUFFER;
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status = acpi_get_object_info(obj_handle, &buffer);
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if (ACPI_SUCCESS(status)) {
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info = buffer.pointer;
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for (i = 0; i < level; i++) {
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ACPI_DEBUG_PRINT_RAW((ACPI_DB_TABLES, " "));
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}
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ACPI_DEBUG_PRINT_RAW((ACPI_DB_TABLES,
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" HID: %s, ADR: %8.8X%8.8X\n",
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info->hardware_id.value,
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ACPI_FORMAT_UINT64(info->address)));
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ACPI_FREE(info);
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}
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return (status);
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}
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/*******************************************************************************
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*
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* FUNCTION: acpi_ns_dump_root_devices
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*
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* PARAMETERS: None
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*
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* RETURN: None
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*
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* DESCRIPTION: Dump all objects of type "device"
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*
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******************************************************************************/
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void acpi_ns_dump_root_devices(void)
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{
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acpi_handle sys_bus_handle;
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acpi_status status;
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ACPI_FUNCTION_NAME(ns_dump_root_devices);
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/* Only dump the table if tracing is enabled */
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if (!(ACPI_LV_TABLES & acpi_dbg_level)) {
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return;
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}
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status = acpi_get_handle(NULL, METHOD_NAME__SB_, &sys_bus_handle);
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if (ACPI_FAILURE(status)) {
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return;
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}
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ACPI_DEBUG_PRINT((ACPI_DB_TABLES,
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"Display of all devices in the namespace:\n"));
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status = acpi_ns_walk_namespace(ACPI_TYPE_DEVICE, sys_bus_handle,
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ACPI_UINT32_MAX, ACPI_NS_WALK_NO_UNLOCK,
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acpi_ns_dump_one_device, NULL, NULL,
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NULL);
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}
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#endif
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#endif
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