diff options
Diffstat (limited to 'hw/virtio/virtio-9p-pci.c')
-rw-r--r-- | hw/virtio/virtio-9p-pci.c | 91 |
1 files changed, 91 insertions, 0 deletions
diff --git a/hw/virtio/virtio-9p-pci.c b/hw/virtio/virtio-9p-pci.c new file mode 100644 index 00000000..94c14f0b --- /dev/null +++ b/hw/virtio/virtio-9p-pci.c @@ -0,0 +1,91 @@ +/* + * Virtio 9p PCI Bindings + * + * Copyright IBM, Corp. 2010 + * + * Authors: + * Anthony Liguori <aliguori@us.ibm.com> + * + * This work is licensed under the terms of the GNU GPL, version 2. See + * the COPYING file in the top-level directory. + * + * Contributions after 2012-01-13 are licensed under the terms of the + * GNU GPL, version 2 or (at your option) any later version. + */ + +#include "qemu/osdep.h" + +#include "hw/virtio/virtio-pci.h" +#include "hw/9pfs/virtio-9p.h" +#include "hw/qdev-properties.h" +#include "qemu/module.h" +#include "qom/object.h" + +/* + * virtio-9p-pci: This extends VirtioPCIProxy. + */ + +#define TYPE_VIRTIO_9P_PCI "virtio-9p-pci-base" +typedef struct V9fsPCIState V9fsPCIState; +DECLARE_INSTANCE_CHECKER(V9fsPCIState, VIRTIO_9P_PCI, + TYPE_VIRTIO_9P_PCI) + +struct V9fsPCIState { + VirtIOPCIProxy parent_obj; + V9fsVirtioState vdev; +}; + +static void virtio_9p_pci_realize(VirtIOPCIProxy *vpci_dev, Error **errp) +{ + V9fsPCIState *dev = VIRTIO_9P_PCI(vpci_dev); + DeviceState *vdev = DEVICE(&dev->vdev); + + qdev_realize(vdev, BUS(&vpci_dev->bus), errp); +} + +static Property virtio_9p_pci_properties[] = { + DEFINE_PROP_BIT("ioeventfd", VirtIOPCIProxy, flags, + VIRTIO_PCI_FLAG_USE_IOEVENTFD_BIT, true), + DEFINE_PROP_UINT32("vectors", VirtIOPCIProxy, nvectors, 2), + DEFINE_PROP_END_OF_LIST(), +}; + +static void virtio_9p_pci_class_init(ObjectClass *klass, void *data) +{ + DeviceClass *dc = DEVICE_CLASS(klass); + PCIDeviceClass *pcidev_k = PCI_DEVICE_CLASS(klass); + VirtioPCIClass *k = VIRTIO_PCI_CLASS(klass); + + k->realize = virtio_9p_pci_realize; + pcidev_k->vendor_id = PCI_VENDOR_ID_REDHAT_QUMRANET; + pcidev_k->device_id = PCI_DEVICE_ID_VIRTIO_9P; + pcidev_k->revision = VIRTIO_PCI_ABI_VERSION; + pcidev_k->class_id = 0x2; + set_bit(DEVICE_CATEGORY_STORAGE, dc->categories); + device_class_set_props(dc, virtio_9p_pci_properties); +} + +static void virtio_9p_pci_instance_init(Object *obj) +{ + V9fsPCIState *dev = VIRTIO_9P_PCI(obj); + + virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev), + TYPE_VIRTIO_9P); +} + +static const VirtioPCIDeviceTypeInfo virtio_9p_pci_info = { + .base_name = TYPE_VIRTIO_9P_PCI, + .generic_name = "virtio-9p-pci", + .transitional_name = "virtio-9p-pci-transitional", + .non_transitional_name = "virtio-9p-pci-non-transitional", + .instance_size = sizeof(V9fsPCIState), + .instance_init = virtio_9p_pci_instance_init, + .class_init = virtio_9p_pci_class_init, +}; + +static void virtio_9p_pci_register(void) +{ + virtio_pci_types_register(&virtio_9p_pci_info); +} + +type_init(virtio_9p_pci_register) |