Re: [PATCH V10 02/11] iommu/uapi: Define a mask for bind data

From: Lu Baolu
Date: Sat Mar 21 2020 - 21:29:43 EST


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 <jacob.jun.pan@xxxxxxxxxxxxxxx>
---
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