drivers/gpu/msd-intel-gen/src/interrupt_manager_shim.cc

// Copyright 2017 The Fuchsia Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "interrupt_manager.h"
#include "msd_intel_pci_device.h"

class InterruptManagerShim : public InterruptManager {
public:
    InterruptManagerShim(Owner* owner) : owner_(owner) {}

    ~InterruptManagerShim();

    bool RegisterCallback(InterruptCallback callback, void* data, uint32_t interrupt_mask) override;

private:
    MsdIntelPciDevice* pci_device()
    {
        return static_cast<MsdIntelPciDevice*>(owner_->platform_device());
    }

    Owner* owner_;
};

InterruptManagerShim::~InterruptManagerShim() { pci_device()->UnregisterInterruptCallback(); }

bool InterruptManagerShim::RegisterCallback(InterruptCallback callback, void* data,
                                            uint32_t interrupt_mask)
{
    return pci_device()->RegisterInterruptCallback(callback, data, interrupt_mask);
}

///////////////////////////////////////////////////////////////////////////////////////////////////

std::unique_ptr<InterruptManager> InterruptManager::CreateShim(Owner* owner)
{
    return std::make_unique<InterruptManagerShim>(owner);
}