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47 lines
1.4 KiB
C++
47 lines
1.4 KiB
C++
/*
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* Copyright (c) 2020, Liav A. <liavalb@hotmail.co.il>
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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/AtomicRefCounted.h>
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#include <AK/Types.h>
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#include <Kernel/Interrupts/GenericInterruptHandler.h>
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namespace Kernel {
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class GenericInterruptHandler;
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enum class IRQControllerType {
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i8259 = 1, /* Intel 8259 Dual PIC */
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i82093AA = 2 /* Intel 82093AA I/O ADVANCED PROGRAMMABLE INTERRUPT CONTROLLER (IOAPIC) */
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};
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class IRQController : public AtomicRefCounted<IRQController> {
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public:
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virtual ~IRQController() = default;
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virtual void enable(GenericInterruptHandler const&) = 0;
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virtual void disable(GenericInterruptHandler const&) = 0;
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virtual void hard_disable() { m_hard_disabled = true; }
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virtual bool is_vector_enabled(u8 number) const = 0;
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virtual bool is_enabled() const = 0;
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bool is_hard_disabled() const { return m_hard_disabled; }
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virtual void eoi(GenericInterruptHandler const&) const = 0;
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virtual void spurious_eoi(GenericInterruptHandler const&) const = 0;
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virtual size_t interrupt_vectors_count() const = 0;
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virtual u32 gsi_base() const = 0;
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virtual u16 get_isr() const = 0;
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virtual u16 get_irr() const = 0;
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virtual StringView model() const = 0;
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virtual IRQControllerType type() const = 0;
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protected:
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IRQController() = default;
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virtual void initialize() = 0;
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bool m_hard_disabled { false };
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};
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}
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