2 * libqos virtio PCI definitions
4 * Copyright (c) 2014 Marc MarĂ
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.
10 #ifndef LIBQOS_VIRTIO_PCI_H
11 #define LIBQOS_VIRTIO_PCI_H
13 #include "libqos/virtio.h"
14 #include "libqos/pci.h"
15 #include "libqos/qgraph.h"
17 typedef struct QVirtioPCIDevice {
22 uint16_t config_msix_entry;
23 uint64_t config_msix_addr;
24 uint32_t config_msix_data;
27 typedef struct QVirtQueuePCI {
34 extern const QVirtioBus qvirtio_pci;
36 void virtio_pci_init(QVirtioPCIDevice *dev, QPCIBus *bus, QPCIAddress * addr);
37 QVirtioPCIDevice *virtio_pci_new(QPCIBus *bus, QPCIAddress * addr);
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
45 void qvirtio_pci_destructor(QOSGraphObject *obj);
46 void qvirtio_pci_start_hw(QOSGraphObject *obj);
49 void qvirtio_pci_device_enable(QVirtioPCIDevice *d);
50 void qvirtio_pci_device_disable(QVirtioPCIDevice *d);
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);