mirror of
https://github.com/SerenityOS/serenity
synced 2024-10-16 21:04:20 +00:00
74 lines
2.7 KiB
C++
74 lines
2.7 KiB
C++
/*
|
|
* Copyright (c) 2020, Liav A. <liavalb@hotmail.co.il>
|
|
* 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.
|
|
*/
|
|
|
|
#pragma once
|
|
|
|
#include <Kernel/Devices/BlockDevice.h>
|
|
#include <Kernel/Interrupts/IRQHandler.h>
|
|
#include <Kernel/Lock.h>
|
|
#include <Kernel/Storage/Partition/DiskPartition.h>
|
|
#include <Kernel/Storage/StorageController.h>
|
|
|
|
namespace Kernel {
|
|
|
|
class StorageDevice : public BlockDevice {
|
|
friend class StorageManagement;
|
|
AK_MAKE_ETERNAL
|
|
public:
|
|
enum class Type : u8 {
|
|
Ramdisk,
|
|
IDE,
|
|
NVMe,
|
|
};
|
|
|
|
public:
|
|
virtual Type type() const = 0;
|
|
virtual size_t max_addressable_block() const { return m_max_addressable_block; }
|
|
|
|
NonnullRefPtr<StorageController> controller() const;
|
|
|
|
// ^BlockDevice
|
|
virtual KResultOr<size_t> read(FileDescription&, size_t, UserOrKernelBuffer&, size_t) override;
|
|
virtual bool can_read(const FileDescription&, size_t) const override;
|
|
virtual KResultOr<size_t> write(FileDescription&, size_t, const UserOrKernelBuffer&, size_t) override;
|
|
virtual bool can_write(const FileDescription&, size_t) const override;
|
|
|
|
// ^Device
|
|
virtual mode_t required_mode() const override { return 0600; }
|
|
|
|
protected:
|
|
StorageDevice(const StorageController&, int, int, size_t, size_t);
|
|
// ^DiskDevice
|
|
virtual const char* class_name() const override;
|
|
|
|
private:
|
|
NonnullRefPtr<StorageController> m_storage_controller;
|
|
NonnullRefPtrVector<DiskPartition> m_partitions;
|
|
size_t m_max_addressable_block;
|
|
};
|
|
|
|
}
|