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/*
* Copyright (c) 2020, Liav A. <liavalb@hotmail.co.il>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#pragma once
#include <AK/FixedArray.h>
#include <AK/Function.h>
#include <AK/NonnullOwnPtr.h>
#include <AK/OwnPtr.h>
#include <AK/RefCounted.h>
#include <AK/RefPtr.h>
#include <AK/Types.h>
#include <Kernel/ACPI/Definitions.h>
#include <Kernel/Interrupts/GenericInterruptHandler.h>
#include <Kernel/Interrupts/IOAPIC.h>
#include <Kernel/Interrupts/IRQController.h>
namespace Kernel {
class ISAInterruptOverrideMetadata;
class InterruptManagement {
public:
static InterruptManagement& the();
static void initialize();
static bool initialized();
static u8 acquire_mapped_interrupt_number(u8);
virtual void switch_to_pic_mode();
virtual void switch_to_ioapic_mode();
bool smp_enabled() const { return m_smp_enabled; }
RefPtr<IRQController> get_responsible_irq_controller(u8 interrupt_vector);
Vector<RefPtr<ISAInterruptOverrideMetadata>> isa_overrides();
u8 get_mapped_vector_number(u8 original_vector);
void enumerate_interrupt_handlers(Function<void(GenericInterruptHandler&)>);
IRQController& get_interrupt_controller(int index);
private:
InterruptManagement();
PhysicalAddress search_for_madt();
void locate_apic_data();
void locate_pci_interrupt_overrides();
bool m_smp_enabled { false };
FixedArray<RefPtr<IRQController>> m_interrupt_controllers { 1 };
Vector<RefPtr<ISAInterruptOverrideMetadata>> m_isa_interrupt_overrides;
Vector<RefPtr<PCIInterruptOverrideMetadata>> m_pci_interrupt_overrides;
PhysicalAddress m_madt;
};
class ISAInterruptOverrideMetadata : public RefCounted<ISAInterruptOverrideMetadata> {
public:
ISAInterruptOverrideMetadata(u8 bus, u8 source, u32 global_system_interrupt, u16 flags);
u8 bus() const;
u8 source() const;
u32 gsi() const;
u16 flags() const;
private:
u8 m_bus;
u8 m_source;
u32 m_global_system_interrupt;
u16 m_flags;
};
}
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