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https://github.com/SerenityOS/serenity
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68c3f9aa5a
This class is part of the PCI code so let's move it to the PCI namespace like other handling code parts of the PCI bus.
48 lines
1.4 KiB
C++
48 lines
1.4 KiB
C++
/*
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* Copyright (c) 2023, Pankaj R <dev@pankajraghav.com>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#pragma once
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#include <AK/Types.h>
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#include <Kernel/Arch/IRQController.h>
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#include <Kernel/Bus/PCI/Device.h>
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#include <Kernel/Interrupts/GenericInterruptHandler.h>
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#include <Kernel/Library/LockRefPtr.h>
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namespace Kernel::PCI {
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class IRQHandler : public GenericInterruptHandler {
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public:
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virtual ~IRQHandler() = default;
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virtual bool handle_interrupt(RegisterState const& regs) override;
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virtual bool handle_irq(RegisterState const&) = 0;
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void enable_irq();
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void disable_irq();
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virtual bool eoi() override;
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virtual HandlerType type() const override { return HandlerType::IRQHandler; }
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virtual StringView purpose() const override { return "IRQ Handler"sv; }
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virtual StringView controller() const override { return m_responsible_irq_controller.is_null() ? "PCI-MSI"sv : m_responsible_irq_controller->model(); }
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virtual size_t sharing_devices_count() const override { return 0; }
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virtual bool is_shared_handler() const override { return false; }
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void set_shared_with_others(bool status) { m_shared_with_others = status; }
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protected:
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IRQHandler(PCI::Device& device, u8 irq);
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private:
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bool m_shared_with_others { false };
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bool m_enabled { false };
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LockRefPtr<IRQController> m_responsible_irq_controller { nullptr };
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PCI::Device& device;
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};
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}
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