On 2020/3/21 7:27, Jacob Pan wrote:
Memory type related flags can be grouped together for one simple check.

---
v9 renamed from EMT to MTS since these are memory type support flags.
---

Signed-off-by: Jacob Pan <[email protected]>
---
  include/uapi/linux/iommu.h | 5 ++++-
  1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/include/uapi/linux/iommu.h b/include/uapi/linux/iommu.h
index 4ad3496e5c43..d7bcbc5f79b0 100644
--- a/include/uapi/linux/iommu.h
+++ b/include/uapi/linux/iommu.h
@@ -284,7 +284,10 @@ struct iommu_gpasid_bind_data_vtd {
        __u32 pat;
        __u32 emt;
  };
-
+#define IOMMU_SVA_VTD_GPASID_MTS_MASK  (IOMMU_SVA_VTD_GPASID_CD | \
+                                        IOMMU_SVA_VTD_GPASID_EMTE | \
+                                        IOMMU_SVA_VTD_GPASID_PCD |  \
+                                        IOMMU_SVA_VTD_GPASID_PWT)

As name implies, can this move to intel-iommu.h?

Best regards,
baolu

  /**
   * struct iommu_gpasid_bind_data - Information about device and guest PASID 
binding
   * @version:  Version of this data structure

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