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authorStefan Hajnoczi <stefanha@redhat.com>2020-08-18 15:33:45 +0100
committerMichael S. Tsirkin <mst@redhat.com>2020-08-27 08:29:13 -0400
commit4e5163bd844429711b4d60d51030ab83048d80cd (patch)
tree29820fc1a17a409f04402367a8cbcef2b78d595f /hw/scsi/vhost-user-scsi.c
parent1436f32a84c3fda61d0d80302e24d641d3f3f839 (diff)
downloadfocaccia-qemu-4e5163bd844429711b4d60d51030ab83048d80cd.tar.gz
focaccia-qemu-4e5163bd844429711b4d60d51030ab83048d80cd.zip
virtio-scsi: introduce a constant for fixed virtqueues
The event and control virtqueues are always present, regardless of the
multi-queue configuration.  Define a constant so that virtqueue number
calculations are easier to read.

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
Reviewed-by: Pankaj Gupta <pankaj.gupta.linux@gmail.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Raphael Norwitz <raphael.norwitz@nutanix.com>
Message-Id: <20200818143348.310613-5-stefanha@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Diffstat (limited to 'hw/scsi/vhost-user-scsi.c')
-rw-r--r--hw/scsi/vhost-user-scsi.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/hw/scsi/vhost-user-scsi.c b/hw/scsi/vhost-user-scsi.c
index f2e524438a..a8b821466f 100644
--- a/hw/scsi/vhost-user-scsi.c
+++ b/hw/scsi/vhost-user-scsi.c
@@ -114,7 +114,7 @@ static void vhost_user_scsi_realize(DeviceState *dev, Error **errp)
         goto free_virtio;
     }
 
-    vsc->dev.nvqs = 2 + vs->conf.num_queues;
+    vsc->dev.nvqs = VIRTIO_SCSI_VQ_NUM_FIXED + vs->conf.num_queues;
     vsc->dev.vqs = g_new0(struct vhost_virtqueue, vsc->dev.nvqs);
     vsc->dev.vq_index = 0;
     vsc->dev.backend_features = 0;