diff options
| author | Stefan Hajnoczi | 2020-08-18 16:33:45 +0200 |
|---|---|---|
| committer | Michael S. Tsirkin | 2020-08-27 14:29:13 +0200 |
| commit | 4e5163bd844429711b4d60d51030ab83048d80cd (patch) | |
| tree | 29820fc1a17a409f04402367a8cbcef2b78d595f /hw/virtio/virtio-scsi-pci.c | |
| parent | virtio-pci: add virtio_pci_optimal_num_queues() helper (diff) | |
| download | qemu-4e5163bd844429711b4d60d51030ab83048d80cd.tar.gz qemu-4e5163bd844429711b4d60d51030ab83048d80cd.tar.xz 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/virtio/virtio-scsi-pci.c')
| -rw-r--r-- | hw/virtio/virtio-scsi-pci.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/hw/virtio/virtio-scsi-pci.c b/hw/virtio/virtio-scsi-pci.c index c23a134202..3ff9eb7ef6 100644 --- a/hw/virtio/virtio-scsi-pci.c +++ b/hw/virtio/virtio-scsi-pci.c @@ -51,7 +51,8 @@ static void virtio_scsi_pci_realize(VirtIOPCIProxy *vpci_dev, Error **errp) char *bus_name; if (vpci_dev->nvectors == DEV_NVECTORS_UNSPECIFIED) { - vpci_dev->nvectors = vs->conf.num_queues + 3; + vpci_dev->nvectors = vs->conf.num_queues + + VIRTIO_SCSI_VQ_NUM_FIXED + 1; } /* |