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/*
* Copyright (c) 2020, Liav A. <liavalb@hotmail.co.il>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <AK/OwnPtr.h>
#include <Kernel/Bus/PCI/Access.h>
#include <Kernel/Bus/PCI/Device.h>
#include <Kernel/Devices/Device.h>
#include <Kernel/Library/LockRefPtr.h>
#include <Kernel/Locking/Mutex.h>
#include <Kernel/Memory/PhysicalPage.h>
#include <Kernel/PhysicalAddress.h>
#include <Kernel/Security/Random.h>
#include <Kernel/Tasks/WaitQueue.h>
namespace Kernel {
class AsyncBlockDeviceRequest;
class StorageDevice;
class StorageController : public AtomicRefCounted<StorageController> {
public:
virtual ~StorageController() = default;
virtual LockRefPtr<StorageDevice> device(u32 index) const = 0;
virtual size_t devices_count() const = 0;
u32 controller_id() const { return m_controller_id; }
u32 hardware_relative_controller_id() const { return m_hardware_relative_controller_id; }
protected:
virtual ErrorOr<void> reset() = 0;
virtual ErrorOr<void> shutdown() = 0;
virtual void complete_current_request(AsyncDeviceRequest::RequestResult) = 0;
explicit StorageController(u32 hardware_relative_controller_id);
private:
u32 const m_controller_id { 0 };
u32 const m_hardware_relative_controller_id { 0 };
};
}
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