diff options
| author | Peter Xu <peterx@redhat.com> | 2017-05-19 11:19:47 +0800 |
|---|---|---|
| committer | Michael S. Tsirkin <mst@redhat.com> | 2017-05-25 21:25:27 +0300 |
| commit | dbaabb25f441264d9029dc53e84a156269ecd275 (patch) | |
| tree | 16718eb5d66bc8f9f3b25308745efdf95c6483c5 /include/hw | |
| parent | f80c98740e8da9fa0e4056f174ca66a3afb1d15b (diff) | |
intel_iommu: support passthrough (PT)
Hardware support for VT-d device passthrough. Although current Linux can
live with iommu=pt even without this, but this is faster than when using
software passthrough.
Signed-off-by: Peter Xu <peterx@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Liu, Yi L <yi.l.liu@linux.intel.com>
Reviewed-by: Jason Wang <jasowang@redhat.com>
Diffstat (limited to 'include/hw')
| -rw-r--r-- | include/hw/i386/x86-iommu.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/hw/i386/x86-iommu.h b/include/hw/i386/x86-iommu.h index 361c07cdc6..ef89c0c646 100644 --- a/include/hw/i386/x86-iommu.h +++ b/include/hw/i386/x86-iommu.h @@ -74,6 +74,7 @@ struct X86IOMMUState { SysBusDevice busdev; bool intr_supported; /* Whether vIOMMU supports IR */ bool dt_supported; /* Whether vIOMMU supports DT */ + bool pt_supported; /* Whether vIOMMU supports pass-through */ IommuType type; /* IOMMU type - AMD/Intel */ QLIST_HEAD(, IEC_Notifier) iec_notifiers; /* IEC notify list */ }; |