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On Mon, 10 Apr 2017 08:00:45 +0530 valmiki <valmikibow at gmail.com> wrote: > Hi All, > > We have drivers/vfio/vfio_iommu_type1.c. what is type1 iommu? Is it > w.r.t vfio layer it is being referred? > > Is there type 2 IOMMU w.r.t vfio? If so what is it? type1 is the 1st type. It's an arbitrary name. There...

Hi All, We have drivers/vfio/vfio_iommu_type1.c. what is type1 iommu? Is it w.r.t vfio layer it is being referred? Is there type 2 IOMMU w.r.t vfio? If so what is it? Regards, Valmiki

This is the initial proposal for a paravirtualized IOMMU device using virtio transport. It contains a description of the device, a Linux driver, and a toy implementation in kvmtool. With this prototype, you can translate DMA to guest memory from emulated (virtio), or passed-through (VFIO) devices. In its simplest form, implemented here, the device handles map/unmap requests from the guest. Future

This is the initial proposal for a paravirtualized IOMMU device using virtio transport. It contains a description of the device, a Linux driver, and a toy implementation in kvmtool. With this prototype, you can translate DMA to guest memory from emulated (virtio), or passed-through (VFIO) devices. In its simplest form, implemented here, the device handles map/unmap requests from the guest. Future