void *virtio_blk_init(PCIBus *bus, BlockDriverState *bs)
{
VirtIOBlock *s;
int cylinders, heads, secs;
static int virtio_blk_id;
s = (VirtIOBlock *)virtio_init_pci(bus, "virtio-blk",
PCI_VENDOR_ID_REDHAT_QUMRANET,
PCI_DEVICE_ID_VIRTIO_BLOCK,
PCI_VENDOR_ID_REDHAT_QUMRANET,
VIRTIO_ID_BLOCK,
PCI_CLASS_STORAGE_OTHER, 0x00,
sizeof(struct virtio_blk_config), sizeof(VirtIOBlock));
if (!s)
return NULL;
s->vdev.get_config = virtio_blk_update_config;
s->vdev.get_features = virtio_blk_get_features;
s->vdev.reset = virtio_blk_reset;
s->bs = bs;
s->rq = NULL;
bs->devfn = s->vdev.pci_dev.devfn;
bdrv_guess_geometry(s->bs, &cylinders, &heads, &secs);
bdrv_set_geometry_hint(s->bs, cylinders, heads, secs);
s->vq = virtio_add_queue(&s->vdev, 128, virtio_blk_handle_output);
qemu_add_vm_change_state_handler(virtio_blk_dma_restart_cb, s);
register_savevm("virtio-blk", virtio_blk_id++, 2,
virtio_blk_save, virtio_blk_load, s);
return s;
}
void *virtio_console_init(PCIBus *bus, CharDriverState *chr)
{
VirtIOConsole *s;
s = (VirtIOConsole *)virtio_init_pci(bus, "virtio-console",
PCI_VENDOR_ID_REDHAT_QUMRANET,
PCI_DEVICE_ID_VIRTIO_CONSOLE,
PCI_VENDOR_ID_REDHAT_QUMRANET,
VIRTIO_ID_CONSOLE,
PCI_CLASS_OTHERS, 0x00,
0, sizeof(VirtIOConsole));
if (s == NULL)
return NULL;
s->vdev.get_features = virtio_console_get_features;
s->ivq = virtio_add_queue(&s->vdev, 128, virtio_console_handle_input);
s->dvq = virtio_add_queue(&s->vdev, 128, virtio_console_handle_output);
s->chr = chr;
qemu_chr_add_handlers(chr, vcon_can_read, vcon_read, vcon_event, s);
register_savevm("virtio-console", -1, 1, virtio_console_save, virtio_console_load, s);
return &s->vdev;
}
static int virtio_9p_init_pci(PCIDevice *pci_dev)
{
VirtIOPCIProxy *proxy = DO_UPCAST(VirtIOPCIProxy, pci_dev, pci_dev);
VirtIODevice *vdev;
vdev = virtio_9p_init(&pci_dev->qdev, &proxy->fsconf);
vdev->nvectors = proxy->nvectors;
virtio_init_pci(proxy, vdev);
/* make the actual value visible */
proxy->nvectors = vdev->nvectors;
return 0;
}
