2020-12-19 13:50:57 +03:00
|
|
|
/*
|
|
|
|
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
|
|
|
|
* 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.
|
|
|
|
*
|
|
|
|
* 2. Redistributions in binary form must reproduce the above copyright notice,
|
|
|
|
* this list of conditions and the following disclaimer in the documentation
|
|
|
|
* and/or other materials provided with the distribution.
|
|
|
|
*
|
|
|
|
* 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 MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
|
|
|
|
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
|
|
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, 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 DAMAGE.
|
|
|
|
*/
|
|
|
|
|
|
|
|
#include <AK/Memory.h>
|
|
|
|
#include <AK/StringView.h>
|
|
|
|
#include <Kernel/FileSystem/FileDescription.h>
|
|
|
|
#include <Kernel/Storage/IDEChannel.h>
|
|
|
|
#include <Kernel/Storage/IDEController.h>
|
|
|
|
#include <Kernel/Storage/PATADiskDevice.h>
|
|
|
|
|
|
|
|
namespace Kernel {
|
|
|
|
|
2021-03-16 22:23:16 +03:00
|
|
|
UNMAP_AFTER_INIT NonnullRefPtr<PATADiskDevice> PATADiskDevice::create(const IDEController& controller, IDEChannel& channel, DriveType type, InterfaceType interface_type, u16 capabilities, u64 max_addressable_block)
|
2020-12-19 13:50:57 +03:00
|
|
|
{
|
2021-03-16 22:23:16 +03:00
|
|
|
return adopt(*new PATADiskDevice(controller, channel, type, interface_type, capabilities, max_addressable_block));
|
2020-12-19 13:50:57 +03:00
|
|
|
}
|
|
|
|
|
2021-03-16 22:23:16 +03:00
|
|
|
UNMAP_AFTER_INIT PATADiskDevice::PATADiskDevice(const IDEController& controller, IDEChannel& channel, DriveType type, InterfaceType interface_type, u16 capabilities, u64 max_addressable_block)
|
|
|
|
: StorageDevice(controller, 512, max_addressable_block)
|
2021-01-29 22:37:40 +03:00
|
|
|
, m_capabilities(capabilities)
|
2020-12-19 13:50:57 +03:00
|
|
|
, m_channel(channel)
|
|
|
|
, m_drive_type(type)
|
2021-01-29 22:37:40 +03:00
|
|
|
, m_interface_type(interface_type)
|
2020-12-19 13:50:57 +03:00
|
|
|
{
|
|
|
|
}
|
|
|
|
|
2021-02-19 23:29:46 +03:00
|
|
|
UNMAP_AFTER_INIT PATADiskDevice::~PATADiskDevice()
|
2020-12-19 13:50:57 +03:00
|
|
|
{
|
|
|
|
}
|
|
|
|
|
|
|
|
const char* PATADiskDevice::class_name() const
|
|
|
|
{
|
|
|
|
return "PATADiskDevice";
|
|
|
|
}
|
|
|
|
|
|
|
|
void PATADiskDevice::start_request(AsyncBlockDeviceRequest& request)
|
|
|
|
{
|
2021-03-27 09:01:00 +03:00
|
|
|
m_channel->start_request(request, is_slave(), m_capabilities);
|
2020-12-19 13:50:57 +03:00
|
|
|
}
|
|
|
|
|
2021-01-21 20:49:56 +03:00
|
|
|
String PATADiskDevice::device_name() const
|
|
|
|
{
|
2021-01-23 00:22:15 +03:00
|
|
|
return String::formatted("hd{:c}", 'a' + minor());
|
2021-01-21 20:49:56 +03:00
|
|
|
}
|
|
|
|
|
2020-12-19 13:50:57 +03:00
|
|
|
bool PATADiskDevice::is_slave() const
|
|
|
|
{
|
|
|
|
return m_drive_type == DriveType::Slave;
|
|
|
|
}
|
|
|
|
|
|
|
|
}
|