https://github.com/torvalds/linux
Tip revision: 8bb7eca972ad531c9b149c0a51ab43a417385813 authored by Linus Torvalds on 31 October 2021, 20:53:10 UTC
Linux 5.15
Linux 5.15
Tip revision: 8bb7eca
nsdumpdv.c
// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0
/******************************************************************************
*
* Module Name: nsdump - table dumping routines for debug
*
* Copyright (C) 2000 - 2021, Intel Corp.
*
*****************************************************************************/
#include <acpi/acpi.h>
/* TBD: This entire module is apparently obsolete and should be removed */
#define _COMPONENT ACPI_NAMESPACE
ACPI_MODULE_NAME("nsdumpdv")
#ifdef ACPI_OBSOLETE_FUNCTIONS
#if defined(ACPI_DEBUG_OUTPUT) || defined(ACPI_DEBUGGER)
#include "acnamesp.h"
/*******************************************************************************
*
* FUNCTION: acpi_ns_dump_one_device
*
* PARAMETERS: handle - Node to be dumped
* level - Nesting level of the handle
* context - Passed into walk_namespace
* return_value - Not used
*
* RETURN: Status
*
* DESCRIPTION: Dump a single Node that represents a device
* This procedure is a user_function called by acpi_ns_walk_namespace.
*
******************************************************************************/
static acpi_status
acpi_ns_dump_one_device(acpi_handle obj_handle,
u32 level, void *context, void **return_value)
{
struct acpi_buffer buffer;
struct acpi_device_info *info;
acpi_status status;
u32 i;
ACPI_FUNCTION_NAME(ns_dump_one_device);
status =
acpi_ns_dump_one_object(obj_handle, level, context, return_value);
buffer.length = ACPI_ALLOCATE_LOCAL_BUFFER;
status = acpi_get_object_info(obj_handle, &buffer);
if (ACPI_SUCCESS(status)) {
info = buffer.pointer;
for (i = 0; i < level; i++) {
ACPI_DEBUG_PRINT_RAW((ACPI_DB_TABLES, " "));
}
ACPI_DEBUG_PRINT_RAW((ACPI_DB_TABLES,
" HID: %s, ADR: %8.8X%8.8X\n",
info->hardware_id.value,
ACPI_FORMAT_UINT64(info->address)));
ACPI_FREE(info);
}
return (status);
}
/*******************************************************************************
*
* FUNCTION: acpi_ns_dump_root_devices
*
* PARAMETERS: None
*
* RETURN: None
*
* DESCRIPTION: Dump all objects of type "device"
*
******************************************************************************/
void acpi_ns_dump_root_devices(void)
{
acpi_handle sys_bus_handle;
acpi_status status;
ACPI_FUNCTION_NAME(ns_dump_root_devices);
/* Only dump the table if tracing is enabled */
if (!(ACPI_LV_TABLES & acpi_dbg_level)) {
return;
}
status = acpi_get_handle(NULL, METHOD_NAME__SB_, &sys_bus_handle);
if (ACPI_FAILURE(status)) {
return;
}
ACPI_DEBUG_PRINT((ACPI_DB_TABLES,
"Display of all devices in the namespace:\n"));
status = acpi_ns_walk_namespace(ACPI_TYPE_DEVICE, sys_bus_handle,
ACPI_UINT32_MAX, ACPI_NS_WALK_NO_UNLOCK,
acpi_ns_dump_one_device, NULL, NULL,
NULL);
}
#endif
#endif