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/*
* Copyright (c) 2020, Liav A. <liavalb@hotmail.co.il>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <AK/Types.h>
#include <Kernel/Arch/x86/CPU.h>
#include <Kernel/Interrupts/GenericInterruptHandler.h>
#include <Kernel/PCI/Definitions.h>
namespace Kernel {
class MSIHandler final : public GenericInterruptHandler {
public:
virtual ~MSIHandler();
virtual void handle_interrupt(RegisterState&) override { }
void enable_irq();
void disable_irq();
virtual bool eoi() override;
virtual size_t sharing_devices_count() const override { return 0; }
virtual bool is_shared_handler() const override { return false; }
virtual bool is_sharing_with_others() const override { return m_shared_with_others; }
protected:
void change_irq_number(u8 irq);
explicit MSIHandler(PCI::Address);
private:
bool m_shared_with_others;
bool m_enabled;
};
}
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