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/*
* Copyright (c) 2023, Pankaj R <dev@pankajraghav.com>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <AK/Types.h>
#include <Kernel/Arch/IRQController.h>
#include <Kernel/Bus/PCI/Device.h>
#include <Kernel/Interrupts/GenericInterruptHandler.h>
#include <Kernel/Library/LockRefPtr.h>
namespace Kernel {
class PCIIRQHandler : public GenericInterruptHandler {
public:
virtual ~PCIIRQHandler() = default;
virtual bool handle_interrupt(RegisterState const& regs) override { return handle_irq(regs); }
virtual bool handle_irq(RegisterState const&) = 0;
void enable_irq();
void disable_irq();
virtual bool eoi() override;
virtual HandlerType type() const override { return HandlerType::IRQHandler; }
virtual StringView purpose() const override { return "IRQ Handler"sv; }
virtual StringView controller() const override { return m_responsible_irq_controller.is_null() ? "PCI-MSI"sv : m_responsible_irq_controller->model(); }
virtual size_t sharing_devices_count() const override { return 0; }
virtual bool is_shared_handler() const override { return false; }
void set_shared_with_others(bool status) { m_shared_with_others = status; }
protected:
PCIIRQHandler(PCI::Device& device, u8 irq);
private:
bool m_shared_with_others { false };
bool m_enabled { false };
LockRefPtr<IRQController> m_responsible_irq_controller { nullptr };
PCI::Device& device;
};
}
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