[PATCH RFC v1 08/15] iommu: Add asid_bits to arm smmu-v3 stage1 table info

Vivek Gautam
2021-01-15T12:17:17Z

aisd_bits data is required to prepare stage-1 tables for arm-smmu-v3.

Signed-off-by: Vivek Gautam <vivek.gautam@arm.com>
Cc: Joerg Roedel <joro@8bytes.org>
Cc: Will Deacon <will.deacon@arm.com>
Cc: Robin Murphy <robin.murphy@arm.com>
Cc: Jean-Philippe Brucker <jean-philippe@linaro.org>
Cc: Eric Auger <eric.auger@redhat.com>
Cc: Alex Williamson <alex.williamson@redhat.com>
Cc: Kevin Tian <kevin.tian@intel.com>
Cc: Jacob Pan <jacob.jun.pan@linux.intel.com>
Cc: Liu Yi L <yi.l.liu@intel.com>
Cc: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Cc: Shameerali Kolothum Thodi <shameerali.kolothum.thodi@huawei.com>
---
include/uapi/linux/iommu.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/uapi/linux/iommu.h b/include/uapi/linux/iommu.h
index 082d758dd016..96abbfc7c643 100644
--- a/include/uapi/linux/iommu.h
+++ b/include/uapi/linux/iommu.h
@@ -357,7 +357,7 @@ struct iommu_pasid_smmuv3 {
__u32 version;
__u8 s1fmt;
__u8 s1dss;
- __u8 padding[2];
+ __u16 asid_bits;
};

/**
--
2.17.1