qemu/tests/libqos/virtio-pci.h
Emanuele Giuseppe Esposito 1ce66ecec0 tests/libqos: virtio-pci driver and interface nodes
Add QOSGraphObject to QVirtioPCIDevice structure, with a basic
constructor. virtio-pci is not present in qgraph, since it
will be used as starting point by its subclasses (virtio-*-pci)

Signed-off-by: Emanuele Giuseppe Esposito <e.emanuelegiuseppe@gmail.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2019-03-07 17:28:26 +01:00

61 lines
1.9 KiB
C

/*
* libqos virtio PCI definitions
*
* Copyright (c) 2014 Marc Marí
*
* This work is licensed under the terms of the GNU GPL, version 2 or later.
* See the COPYING file in the top-level directory.
*/
#ifndef LIBQOS_VIRTIO_PCI_H
#define LIBQOS_VIRTIO_PCI_H
#include "libqos/virtio.h"
#include "libqos/pci.h"
#include "libqos/qgraph.h"
typedef struct QVirtioPCIDevice {
QOSGraphObject obj;
QVirtioDevice vdev;
QPCIDevice *pdev;
QPCIBar bar;
uint16_t config_msix_entry;
uint64_t config_msix_addr;
uint32_t config_msix_data;
} QVirtioPCIDevice;
typedef struct QVirtQueuePCI {
QVirtQueue vq;
uint16_t msix_entry;
uint64_t msix_addr;
uint32_t msix_data;
} QVirtQueuePCI;
extern const QVirtioBus qvirtio_pci;
void virtio_pci_init(QVirtioPCIDevice *dev, QPCIBus *bus, QPCIAddress * addr);
QVirtioPCIDevice *virtio_pci_new(QPCIBus *bus, QPCIAddress * addr);
QVirtioPCIDevice *qvirtio_pci_device_find(QPCIBus *bus, uint16_t device_type);
QVirtioPCIDevice *qvirtio_pci_device_find_slot(QPCIBus *bus,
uint16_t device_type, int slot);
void qvirtio_pci_device_free(QVirtioPCIDevice *dev);
/* virtio-pci object functions available for subclasses that
* override the original start_hw and destroy
* function. All virtio-xxx-pci subclass that override must
* take care of calling these two functions in the respective
* places
*/
void qvirtio_pci_destructor(QOSGraphObject *obj);
void qvirtio_pci_start_hw(QOSGraphObject *obj);
void qvirtio_pci_device_enable(QVirtioPCIDevice *d);
void qvirtio_pci_device_disable(QVirtioPCIDevice *d);
void qvirtio_pci_set_msix_configuration_vector(QVirtioPCIDevice *d,
QGuestAllocator *alloc, uint16_t entry);
void qvirtqueue_pci_msix_setup(QVirtioPCIDevice *d, QVirtQueuePCI *vqpci,
QGuestAllocator *alloc, uint16_t entry);
#endif