Hi Christoph,
On 9/29/20 8:03 AM, Christoph Hellwig wrote:
> On Mon, Sep 28, 2020 at 09:50:36PM +0200, Eric Auger wrote:
>> VFIO currently exposes the usable IOVA regions through the
>> VFIO_IOMMU_GET_INFO ioctl. However it fails to take into account
>> the dma_mask of the devices within the
On Mon, Sep 28, 2020 at 09:50:36PM +0200, Eric Auger wrote:
> VFIO currently exposes the usable IOVA regions through the
> VFIO_IOMMU_GET_INFO ioctl. However it fails to take into account
> the dma_mask of the devices within the container. The top limit
> currently is defined by the iommu
VFIO currently exposes the usable IOVA regions through the
VFIO_IOMMU_GET_INFO ioctl. However it fails to take into account
the dma_mask of the devices within the container. The top limit
currently is defined by the iommu aperture.
So, for instance, if the IOMMU supports up to 48bits, it may give
