pci.hh

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/*
 * Copyright (c) 2014 ARM Limited
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 * to a hardware implementation of the functionality of the software
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#ifndef __DEV_VIRTIO_PCI_HH__
#define __DEV_VIRTIO_PCI_HH__
 
#include "base/statistics.hh"
#include "dev/virtio/base.hh"
#include "dev/pci/device.hh"
 
struct PciVirtIOParams;
 
class PciVirtIO : public PciDevice
{
  public:
    typedef PciVirtIOParams Params;
    PciVirtIO(const Params *params);
    virtual ~PciVirtIO();
 
    Tick read(PacketPtr pkt);
    Tick write(PacketPtr pkt);
 
    void kick();
 
  protected:
    static const Addr OFF_DEVICE_FEATURES = 0x00;
    static const Addr OFF_GUEST_FEATURES = 0x04;
    static const Addr OFF_QUEUE_ADDRESS = 0x08;
    static const Addr OFF_QUEUE_SIZE = 0x0C;
    static const Addr OFF_QUEUE_SELECT = 0x0E;
    static const Addr OFF_QUEUE_NOTIFY = 0x10;
    static const Addr OFF_DEVICE_STATUS = 0x12;
    static const Addr OFF_ISR_STATUS = 0x13;
    static const Addr OFF_VIO_DEVICE = 0x14;
 
    static const Addr BAR0_SIZE_BASE = OFF_VIO_DEVICE;
 
 
    VirtIODeviceBase::QueueID queueNotify;
 
    bool interruptDeliveryPending;
 
    VirtIODeviceBase &vio;
};
 
#endif // __DEV_VIRTIO_PCI_HH__