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/*
* Copyright (c) 2020, Liav A. <liavalb@hotmail.co.il>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <AK/IntrusiveList.h>
#include <Kernel/Devices/BlockDevice.h>
#include <Kernel/Interrupts/IRQHandler.h>
#include <Kernel/Locking/Mutex.h>
#include <Kernel/Storage/Partition/DiskPartition.h>
#include <Kernel/Storage/StorageController.h>
namespace Kernel {
class StorageDevice : public BlockDevice {
friend class StorageManagement;
public:
virtual u64 max_addressable_block() const { return m_max_addressable_block; }
NonnullRefPtr<StorageController> controller() const;
// ^BlockDevice
virtual KResultOr<size_t> read(OpenFileDescription&, u64, UserOrKernelBuffer&, size_t) override;
virtual bool can_read(const OpenFileDescription&, size_t) const override;
virtual KResultOr<size_t> write(OpenFileDescription&, u64, const UserOrKernelBuffer&, size_t) override;
virtual bool can_write(const OpenFileDescription&, size_t) const override;
// FIXME: This is being used only during early boot, find a better way to find devices...
virtual String storage_name() const = 0;
virtual void prepare_for_unplug() { m_partitions.clear(); }
NonnullRefPtrVector<DiskPartition> partitions() const { return m_partitions; }
protected:
StorageDevice(const StorageController&, size_t, u64);
StorageDevice(const StorageController&, int, int, size_t, u64);
// ^DiskDevice
virtual StringView class_name() const override;
private:
mutable IntrusiveListNode<StorageDevice, RefPtr<StorageDevice>> m_list_node;
NonnullRefPtr<StorageController> m_storage_controller;
NonnullRefPtrVector<DiskPartition> m_partitions;
u64 m_max_addressable_block;
};
}
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