Messages in this thread | | | Subject | Re: [PATCH 01/10] iommu/vt-d: Introduce native SVM capable flag | From | Lu Baolu <> | Date | Mon, 18 Nov 2019 09:19:01 +0800 |
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Hi,
On 11/16/19 7:09 AM, Jacob Pan wrote: > Shared Virtual Memory(SVM) is based on a collective set of hardware > features detected at runtime. There are requirements for matching CPU > and IOMMU capabilities. > > This patch introduces a flag which will be used to mark and test the > capability of SVM. > > Signed-off-by: Jacob Pan <jacob.jun.pan@linux.intel.com>
Acked-by: Lu Baolu <baolu.lu@linux.intel.com>
Best regards, baolu
> --- > include/linux/intel-iommu.h | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/include/linux/intel-iommu.h b/include/linux/intel-iommu.h > index ed11ef594378..63118991824c 100644 > --- a/include/linux/intel-iommu.h > +++ b/include/linux/intel-iommu.h > @@ -433,6 +433,7 @@ enum { > > #define VTD_FLAG_TRANS_PRE_ENABLED (1 << 0) > #define VTD_FLAG_IRQ_REMAP_PRE_ENABLED (1 << 1) > +#define VTD_FLAG_SVM_CAPABLE (1 << 2) > > extern int intel_iommu_sm; > >
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