From c2475a9a789721bfdcc1b16aaf61ccfecb891914 Mon Sep 17 00:00:00 2001
From: Zhu Lingshan <lingshan.zhu@intel.com>
Date: Mon, 19 Feb 2024 02:55:57 +0800
Subject: vDPA: report virtio-block capacity to user space

This commit allows userspace to query capacity of
a virtio-block device.

Signed-off-by: Zhu Lingshan <lingshan.zhu@intel.com>
Message-Id: <20240218185606.13509-2-lingshan.zhu@intel.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
---
 include/linux/vdpa.h      | 1 +
 include/uapi/linux/vdpa.h | 2 ++
 2 files changed, 3 insertions(+)

(limited to 'include')

diff --git a/include/linux/vdpa.h b/include/linux/vdpa.h
index 4097e8e92860..7977ca03ac7a 100644
--- a/include/linux/vdpa.h
+++ b/include/linux/vdpa.h
@@ -7,6 +7,7 @@
 #include <linux/interrupt.h>
 #include <linux/vhost_iotlb.h>
 #include <linux/virtio_net.h>
+#include <linux/virtio_blk.h>
 #include <linux/if_ether.h>
 
 /**
diff --git a/include/uapi/linux/vdpa.h b/include/uapi/linux/vdpa.h
index 54b649ab0f22..1bf69226cb96 100644
--- a/include/uapi/linux/vdpa.h
+++ b/include/uapi/linux/vdpa.h
@@ -56,6 +56,8 @@ enum vdpa_attr {
 	/* virtio features that are provisioned to the vDPA device */
 	VDPA_ATTR_DEV_FEATURES,                 /* u64 */
 
+	VDPA_ATTR_DEV_BLK_CFG_CAPACITY,		/* u64 */
+
 	/* new attributes must be added above here */
 	VDPA_ATTR_MAX,
 };
-- 
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