On 17/09/15 15:09, David Gibson wrote:
> The current vfio core code assumes that the host IOMMU is capable of
> mapping any IOVA the guest wants to use to where we need. However, real
> IOMMUs generally only support translating a certain range of IOVAs (the
> "DMA window") not a full 64-bit
On Wed, Sep 23, 2015 at 12:10:46PM +0200, Thomas Huth wrote:
> On 17/09/15 15:09, David Gibson wrote:
> > The current vfio core code assumes that the host IOMMU is capable of
> > mapping any IOVA the guest wants to use to where we need. However, real
> > IOMMUs generally only support translating
On 17/09/2015 15:09, David Gibson wrote:
> The current vfio core code assumes that the host IOMMU is capable of
> mapping any IOVA the guest wants to use to where we need. However, real
> IOMMUs generally only support translating a certain range of IOVAs (the
> "DMA window") not a full 64-bit
On Wed, Sep 23, 2015 at 09:07:06PM +1000, David Gibson wrote:
> On Wed, Sep 23, 2015 at 12:10:46PM +0200, Thomas Huth wrote:
> > On 17/09/15 15:09, David Gibson wrote:
> > > The current vfio core code assumes that the host IOMMU is capable of
> > > mapping any IOVA the guest wants to use to where
On 09/17/2015 11:09 PM, David Gibson wrote:
The current vfio core code assumes that the host IOMMU is capable of
mapping any IOVA the guest wants to use to where we need. However, real
IOMMUs generally only support translating a certain range of IOVAs (the
"DMA window") not a full 64-bit
The current vfio core code assumes that the host IOMMU is capable of
mapping any IOVA the guest wants to use to where we need. However, real
IOMMUs generally only support translating a certain range of IOVAs (the
"DMA window") not a full 64-bit address space.
The common x86 IOMMUs support a wide
