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Kernel: Move a bunch of generic devices code into new subdirectory

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Liav A 2023-03-18 13:17:13 +02:00 • committed by Jelle Raaijmakers
parent 9eeda5719e
commit 4617c05a08
27 changed files with 34 additions and 34 deletions
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51
Kernel/Devices/DeviceControlDevice.cpp
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@ -1,51 +0,0 @@
/*
* Copyright (c) 2021, Liav A. <liavalb@hotmail.co.il>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <Kernel/Devices/DeviceControlDevice.h>
#include <Kernel/Devices/DeviceManagement.h>
namespace Kernel {
UNMAP_AFTER_INIT NonnullLockRefPtr<DeviceControlDevice> DeviceControlDevice::must_create()
{
auto device_control_device_or_error = DeviceManagement::try_create_device<DeviceControlDevice>();
// FIXME: Find a way to propagate errors
VERIFY(!device_control_device_or_error.is_error());
return device_control_device_or_error.release_value();
}
bool DeviceControlDevice::can_read(OpenFileDescription const&, u64) const
{
return true;
}
UNMAP_AFTER_INIT DeviceControlDevice::DeviceControlDevice()
: CharacterDevice(2, 10)
{
}
UNMAP_AFTER_INIT DeviceControlDevice::~DeviceControlDevice() = default;
ErrorOr<size_t> DeviceControlDevice::read(OpenFileDescription&, u64, UserOrKernelBuffer& buffer, size_t size)
{
auto device_event = DeviceManagement::the().dequeue_top_device_event({});
if (!device_event.has_value())
return 0;
if (size < sizeof(DeviceEvent))
return Error::from_errno(EOVERFLOW);
size_t nread = 0;
TRY(buffer.write(&device_event.value(), nread, sizeof(DeviceEvent)));
nread += sizeof(DeviceEvent);
return nread;
}
ErrorOr<void> DeviceControlDevice::ioctl(OpenFileDescription&, unsigned, Userspace<void*>)
{
return Error::from_errno(ENOTSUP);
}
}