On 2016年11月04日 03:46, Michael S. Tsirkin wrote:
@@ -244,6 +245,7 @@ int virtio_queue_empty(VirtQueue *vq)
> static void virtqueue_unmap_sg(VirtQueue *vq, const VirtQueueElement *elem,
> unsigned int len)
> {
>+AddressSpace *dma_as = virtio_get_dma_as(vq->vd
On Thu, Nov 03, 2016 at 05:27:14PM +0800, Jason Wang wrote:
> Currently, all virtio devices bypass IOMMU completely. This is because
> address_space_memory is assumed and used during DMA emulation. This
> patch converts the virtio core API to use DMA API. This idea is
>
> - introducing a new trans
Currently, all virtio devices bypass IOMMU completely. This is because
address_space_memory is assumed and used during DMA emulation. This
patch converts the virtio core API to use DMA API. This idea is
- introducing a new transport specific helper to query the dma address
space. (only pci versi
