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 16 typedef struct QVirtioPCIDevice { 17 QVirtioDevice vdev; 18 QPCIDevice *pdev; 19 QPCIBar bar; 20 uint16_t config_msix_entry; 21 uint64_t config_msix_addr; 22 uint32_t config_msix_data; 23 } QVirtioPCIDevice; 24 25 typedef struct QVirtQueuePCI { 26 QVirtQueue vq; 27 uint16_t msix_entry; 28 uint64_t msix_addr; 29 uint32_t msix_data; 30 } QVirtQueuePCI; 31 32 extern const QVirtioBus qvirtio_pci; 33 34 QVirtioPCIDevice *qvirtio_pci_device_find(QPCIBus *bus, uint16_t device_type); 35 QVirtioPCIDevice *qvirtio_pci_device_find_slot(QPCIBus *bus, 36 uint16_t device_type, int slot); 37 void qvirtio_pci_device_free(QVirtioPCIDevice *dev); 38 39 void qvirtio_pci_device_enable(QVirtioPCIDevice *d); 40 void qvirtio_pci_device_disable(QVirtioPCIDevice *d); 41 42 void qvirtio_pci_set_msix_configuration_vector(QVirtioPCIDevice *d, 43 QGuestAllocator *alloc, uint16_t entry); 44 void qvirtqueue_pci_msix_setup(QVirtioPCIDevice *d, QVirtQueuePCI *vqpci, 45 QGuestAllocator *alloc, uint16_t entry); 46 #endif 47