linux-kernel - [PATCH v4 10/14] vhost/vdpa: Remove the restriction that only supports virtio-net devices

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Message-Id: <20210315163450.254396-11-sgarzare@redhat.com>
Date:   Mon, 15 Mar 2021 17:34:46 +0100
From:   Stefano Garzarella <sgarzare@...hat.com>
To:     virtualization@...ts.linux-foundation.org
Cc:     netdev@...r.kernel.org, Xie Yongji <xieyongji@...edance.com>,
        Laurent Vivier <lvivier@...hat.com>,
        Stefan Hajnoczi <stefanha@...hat.com>,
        linux-kernel@...r.kernel.org, Max Gurtovoy <mgurtovoy@...dia.com>,
        Jason Wang <jasowang@...hat.com>,
        Parav Pandit <parav@...dia.com>,
        "Michael S. Tsirkin" <mst@...hat.com>, kvm@...r.kernel.org
Subject: [PATCH v4 10/14] vhost/vdpa: Remove the restriction that only supports virtio-net devices

From: Xie Yongji <xieyongji@...edance.com>

Since the config checks are done by the vDPA drivers, we can remove the
virtio-net restriction and we should be able to support all kinds of
virtio devices.

<linux/virtio_net.h> is not needed anymore, but we need to include
<linux/slab.h> to avoid compilation failures.

Signed-off-by: Xie Yongji <xieyongji@...edance.com>
Signed-off-by: Stefano Garzarella <sgarzare@...hat.com>
---
 drivers/vhost/vdpa.c | 6 +-----
 1 file changed, 1 insertion(+), 5 deletions(-)

diff --git a/drivers/vhost/vdpa.c b/drivers/vhost/vdpa.c
index 7ae4080e57d8..850ed4b62942 100644
--- a/drivers/vhost/vdpa.c
+++ b/drivers/vhost/vdpa.c
@@ -16,12 +16,12 @@
 #include <linux/cdev.h>
 #include <linux/device.h>
 #include <linux/mm.h>
+#include <linux/slab.h>
 #include <linux/iommu.h>
 #include <linux/uuid.h>
 #include <linux/vdpa.h>
 #include <linux/nospec.h>
 #include <linux/vhost.h>
-#include <linux/virtio_net.h>
 
 #include "vhost.h"
 
@@ -1018,10 +1018,6 @@ static int vhost_vdpa_probe(struct vdpa_device *vdpa)
 	int minor;
 	int r;
 
-	/* Currently, we only accept the network devices. */
-	if (ops->get_device_id(vdpa) != VIRTIO_ID_NET)
-		return -ENOTSUPP;
-
 	v = kzalloc(sizeof(*v), GFP_KERNEL | __GFP_RETRY_MAYFAIL);
 	if (!v)
 		return -ENOMEM;
-- 
2.30.2