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| author | Xuan Zhuo <xuanzhuo@linux.alibaba.com> | 2022-08-01 14:38:21 +0800 |
|---|---|---|
| committer | Michael S. Tsirkin <mst@redhat.com> | 2022-08-11 04:06:38 -0400 |
| commit | da802961832f9852886304290135457519815497 (patch) | |
| tree | 15d1e1ab7b0387b95bfc5931a98f3ff12e77f9fc /drivers/remoteproc/remoteproc_virtio.c | |
| parent | 0b6fd46ec5f5720b76cbb01300ed9f7b7c6365c4 (diff) | |
| download | lwn-da802961832f9852886304290135457519815497.tar.gz lwn-da802961832f9852886304290135457519815497.zip | |
virtio: record the maximum queue num supported by the device.
virtio-net can display the maximum (supported by hardware) ring size in
ethtool -g eth0.
When the subsequent patch implements vring reset, it can judge whether
the ring size passed by the driver is legal based on this.
Signed-off-by: Xuan Zhuo <xuanzhuo@linux.alibaba.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Message-Id: <20220801063902.129329-2-xuanzhuo@linux.alibaba.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Diffstat (limited to 'drivers/remoteproc/remoteproc_virtio.c')
| -rw-r--r-- | drivers/remoteproc/remoteproc_virtio.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/remoteproc/remoteproc_virtio.c b/drivers/remoteproc/remoteproc_virtio.c index d43d74733f0a..0f7706e23eb9 100644 --- a/drivers/remoteproc/remoteproc_virtio.c +++ b/drivers/remoteproc/remoteproc_virtio.c @@ -125,6 +125,8 @@ static struct virtqueue *rp_find_vq(struct virtio_device *vdev, return ERR_PTR(-ENOMEM); } + vq->num_max = num; + rvring->vq = vq; vq->priv = rvring; |