https://github.com/torvalds/linux
Tip revision: bfe01a5ba2490f299e1d2d5508cbbbadd897bbe9 authored by Linus Torvalds on 05 October 2014, 19:23:04 UTC
Linux 3.17
Linux 3.17
Tip revision: bfe01a5
nsdumpdv.c
/******************************************************************************
*
* Module Name: nsdump - table dumping routines for debug
*
*****************************************************************************/
/*
* Copyright (C) 2000 - 2014, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions, and the following disclaimer,
* without modification.
* 2. Redistributions in binary form must reproduce at minimum a disclaimer
* substantially similar to the "NO WARRANTY" disclaimer below
* ("Disclaimer") and any redistribution must be conditioned upon
* including a substantially similar Disclaimer requirement for further
* binary redistribution.
* 3. Neither the names of the above-listed copyright holders nor the names
* of any contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* Alternatively, this software may be distributed under the terms of the
* GNU General Public License ("GPL") version 2 as published by the Free
* Software Foundation.
*
* NO WARRANTY
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGES.
*/
#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, Status: %X\n",
info->hardware_id.value,
ACPI_FORMAT_UINT64(info->address),
info->current_status));
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