mirror of
https://github.com/RGBCube/serenity
synced 2025-05-23 12:55:08 +00:00
187723776a
This reverts commit 4e0f85432a as the
ramdisk code is useful for the bring-up of the aarch64 port. Once the
kernel supports better ram-based filesystems, this code will be removed
again.
41 lines
1,022 B
C++
41 lines
1,022 B
C++
/*
|
|
* Copyright (c) 2021, the SerenityOS developers.
|
|
*
|
|
* SPDX-License-Identifier: BSD-2-Clause
|
|
*/
|
|
|
|
#pragma once
|
|
|
|
#include <Kernel/Locking/Mutex.h>
|
|
#include <Kernel/Storage/StorageDevice.h>
|
|
|
|
namespace Kernel {
|
|
|
|
class RamdiskController;
|
|
|
|
class RamdiskDevice final : public StorageDevice {
|
|
friend class RamdiskController;
|
|
friend class DeviceManagement;
|
|
|
|
public:
|
|
static NonnullLockRefPtr<RamdiskDevice> create(RamdiskController const&, NonnullOwnPtr<Memory::Region>&& region, int major, int minor);
|
|
virtual ~RamdiskDevice() override;
|
|
|
|
// ^DiskDevice
|
|
virtual StringView class_name() const override;
|
|
|
|
private:
|
|
RamdiskDevice(RamdiskController const&, NonnullOwnPtr<Memory::Region>&&, int major, int minor);
|
|
|
|
// ^BlockDevice
|
|
virtual void start_request(AsyncBlockDeviceRequest&) override;
|
|
|
|
// ^StorageDevice
|
|
virtual CommandSet command_set() const override { return CommandSet::PlainMemory; }
|
|
|
|
Mutex m_lock { "RamdiskDevice"sv };
|
|
|
|
NonnullOwnPtr<Memory::Region> m_region;
|
|
};
|
|
|
|
}
|