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
  17 typedef 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
  27 typedef struct QVirtQueuePCI {
  28     QVirtQueue vq;
  29     uint16_t msix_entry;
  30     uint64_t msix_addr;
  31     uint32_t msix_data;
  32 } QVirtQueuePCI;
  33
  34 extern const QVirtioBus qvirtio_pci;
  35
  36 void virtio_pci_init(QVirtioPCIDevice *dev, QPCIBus *bus, QPCIAddress * addr);
  37 QVirtioPCIDevice *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  */
  45 void qvirtio_pci_destructor(QOSGraphObject *obj);
  46 void qvirtio_pci_start_hw(QOSGraphObject *obj);
  47
  48
  49 void qvirtio_pci_device_enable(QVirtioPCIDevice *d);
  50 void qvirtio_pci_device_disable(QVirtioPCIDevice *d);
  51
  52 void qvirtio_pci_set_msix_configuration_vector(QVirtioPCIDevice *d,
  53                                         QGuestAllocator *alloc, uint16_t entry);
  54 void qvirtqueue_pci_msix_setup(QVirtioPCIDevice *d, QVirtQueuePCI *vqpci,
  55                                         QGuestAllocator *alloc, uint16_t entry);
  56 #endif