virtio-blk: add VirtIOBlockConf->num_queues
The num_queues field is always 1 for the time being. A later patch will make it a configurable device property so that multiqueue can be enabled. Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Reviewed-by: Fam Zheng <famz@redhat.com> Message-id: 1466511196-12612-2-git-send-email-stefanha@redhat.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
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@ -883,6 +883,7 @@ static void virtio_blk_device_realize(DeviceState *dev, Error **errp)
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s->rq = NULL;
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s->rq = NULL;
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s->sector_mask = (s->conf.conf.logical_block_size / BDRV_SECTOR_SIZE) - 1;
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s->sector_mask = (s->conf.conf.logical_block_size / BDRV_SECTOR_SIZE) - 1;
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conf->num_queues = 1;
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s->vq = virtio_add_queue(vdev, 128, virtio_blk_handle_output);
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s->vq = virtio_add_queue(vdev, 128, virtio_blk_handle_output);
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virtio_blk_data_plane_create(vdev, conf, &s->dataplane, &err);
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virtio_blk_data_plane_create(vdev, conf, &s->dataplane, &err);
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if (err != NULL) {
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if (err != NULL) {
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@ -38,6 +38,7 @@ struct VirtIOBlkConf
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uint32_t scsi;
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uint32_t scsi;
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uint32_t config_wce;
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uint32_t config_wce;
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uint32_t request_merging;
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uint32_t request_merging;
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uint16_t num_queues;
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};
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};
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struct VirtIOBlockDataPlane;
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struct VirtIOBlockDataPlane;
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