On Thu, May 02, 2019 at 02:47:57PM +0300, Maxim Levitsky wrote: > If the mdev device driver also sets the > NVME_F_MDEV_DMA_SUPPORTED, the mdev core will > dma map all the guest memory into the nvme device, > so that nvme device driver can use dma addresses as passed > from the mdev core driver We really need a proper block layer interface for that so that uring or the nvme target can use pre-mapping as well.
