lib/magma/src/magma_util/platform/platform_pci_device.h

// Copyright 2016 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.

#ifndef PLATFORM_PCI_DEVICE_H
#define PLATFORM_PCI_DEVICE_H

#include "magma_util/dlog.h"
#include "platform_handle.h"
#include "platform_interrupt.h"
#include "platform_mmio.h"
#include <memory>

namespace magma {

class PlatformPciDevice {
public:
    virtual ~PlatformPciDevice() { DLOG("PlatformPciDevice dtor"); }

    virtual void* GetDeviceHandle() = 0;

    virtual std::unique_ptr<PlatformHandle> GetBusTransactionInitiator()
    {
        DLOG("GetBusTransactionInitiator unimplemented");
        return nullptr;
    }

    virtual bool ReadPciConfig16(uint64_t addr, uint16_t* value)
    {
        DLOG("ReadPciConfig16 unimplemented");
        return false;
    }

    virtual std::unique_ptr<PlatformMmio> CpuMapPciMmio(unsigned int pci_bar,
                                                        PlatformMmio::CachePolicy cache_policy)
    {
        DLOG("CpuMapPciMmio unimplemented");
        return nullptr;
    }

    virtual std::unique_ptr<PlatformInterrupt> RegisterInterrupt()
    {
        DLOG("RegisterInterrupt unimplemented");
        return nullptr;
    }

    static std::unique_ptr<PlatformPciDevice> Create(void* device_handle);
};

} // namespace magma

#endif // PLATFORM_PCI_DEVICE_H