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From:   Vivek Gautam <vivek.gautam@arm.com>
To:     linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
        iommu@lists.linux-foundation.org,
        virtualization@lists.linux-foundation.org
Cc:     joro@8bytes.org, will.deacon@arm.com, mst@redhat.com,
        robin.murphy@arm.com, jean-philippe@linaro.org,
        eric.auger@redhat.com, alex.williamson@redhat.com,
        kevin.tian@intel.com, jacob.jun.pan@linux.intel.com,
        yi.l.liu@intel.com, lorenzo.pieralisi@arm.com,
        shameerali.kolothum.thodi@huawei.com, vivek.gautam@arm.com
Subject: [PATCH RFC v1 09/15] iommu/virtio: Update table format probing header
Date:   Fri, 15 Jan 2021 17:43:36 +0530
Message-Id: <20210115121342.15093-10-vivek.gautam@arm.com>
In-Reply-To: <20210115121342.15093-1-vivek.gautam@arm.com>
References: <20210115121342.15093-1-vivek.gautam@arm.com>
Precedence: bulk

Add info about asid_bits and additional flags to table format
probing header.

Signed-off-by: Vivek Gautam <vivek.gautam@arm.com>
Cc: Joerg Roedel <joro@8bytes.org>
Cc: Will Deacon <will.deacon@arm.com>
Cc: Michael S. Tsirkin <mst@redhat.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/virtio_iommu.h | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/include/uapi/linux/virtio_iommu.h b/include/uapi/linux/virtio_iommu.h
index 43821e33e7af..8a0624bab4b2 100644
--- a/include/uapi/linux/virtio_iommu.h
+++ b/include/uapi/linux/virtio_iommu.h
@@ -169,7 +169,10 @@ struct virtio_iommu_probe_pasid_size {
 struct virtio_iommu_probe_table_format {
 	struct virtio_iommu_probe_property	head;
 	__le16					format;
-	__u8					reserved[2];
+	__le16					asid_bits;
+
+	__le32					flags;
+	__u8					reserved[4];
 };
 
 struct virtio_iommu_req_probe {
-- 
2.17.1