LXR qemu/tests/libqos/virtio-pci.h

   1/*
   2 * libqos virtio PCI definitions
   3 *
   4 * Copyright (c) 2014 Marc Marí
   5 *
   6 * This work is licensed under the terms of the GNU GPL, version 2 or later.
   7 * See the COPYING file in the top-level directory.
   8 */
   9
  10#ifndef LIBQOS_VIRTIO_PCI_H
  11#define LIBQOS_VIRTIO_PCI_H
  12
  13#include "libqos/virtio.h"
  14#include "libqos/pci.h"
  15#include "libqos/qgraph.h"
  16
  17typedef struct QVirtioPCIDevice {
  18    QOSGraphObject obj;
  19    QVirtioDevice vdev;
  20    QPCIDevice *pdev;
  21    QPCIBar bar;
  22    uint16_t config_msix_entry;
  23    uint64_t config_msix_addr;
  24    uint32_t config_msix_data;
  25} QVirtioPCIDevice;
  26
  27typedef struct QVirtQueuePCI {
  28    QVirtQueue vq;
  29    uint16_t msix_entry;
  30    uint64_t msix_addr;
  31    uint32_t msix_data;
  32} QVirtQueuePCI;
  33
  34extern const QVirtioBus qvirtio_pci;
  35
  36void virtio_pci_init(QVirtioPCIDevice *dev, QPCIBus *bus, QPCIAddress * addr);
  37QVirtioPCIDevice *virtio_pci_new(QPCIBus *bus, QPCIAddress * addr);
  38
  39/* virtio-pci object functions available for subclasses that
  40 * override the original start_hw and destroy
  41 * function. All virtio-xxx-pci subclass that override must
  42 * take care of calling these two functions in the respective
  43 * places
  44 */
  45void qvirtio_pci_destructor(QOSGraphObject *obj);
  46void qvirtio_pci_start_hw(QOSGraphObject *obj);
  47
  48
  49void qvirtio_pci_device_enable(QVirtioPCIDevice *d);
  50void qvirtio_pci_device_disable(QVirtioPCIDevice *d);
  51
  52void qvirtio_pci_set_msix_configuration_vector(QVirtioPCIDevice *d,
  53                                        QGuestAllocator *alloc, uint16_t entry);
  54void qvirtqueue_pci_msix_setup(QVirtioPCIDevice *d, QVirtQueuePCI *vqpci,
  55                                        QGuestAllocator *alloc, uint16_t entry);
  56#endif
  57