From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:55676) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bFKYb-0006N9-4A for qemu-devel@nongnu.org; Tue, 21 Jun 2016 08:13:32 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1bFKYT-0006Ho-T6 for qemu-devel@nongnu.org; Tue, 21 Jun 2016 08:13:28 -0400 Received: from mx1.redhat.com ([209.132.183.28]:44567) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bFKYT-0006HQ-Nk for qemu-devel@nongnu.org; Tue, 21 Jun 2016 08:13:21 -0400 From: Stefan Hajnoczi Date: Tue, 21 Jun 2016 13:13:10 +0100 Message-Id: <1466511196-12612-2-git-send-email-stefanha@redhat.com> In-Reply-To: <1466511196-12612-1-git-send-email-stefanha@redhat.com> References: <1466511196-12612-1-git-send-email-stefanha@redhat.com> Subject: [Qemu-devel] [PATCH v4 1/7] virtio-blk: add VirtIOBlockConf->num_queues List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: Kevin Wolf , Roman Pen , Fam Zheng , Christian Borntraeger , Paolo Bonzini , Ming Lei , Stefan Hajnoczi 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 --- hw/block/virtio-blk.c | 1 + include/hw/virtio/virtio-blk.h | 1 + 2 files changed, 2 insertions(+) diff --git a/hw/block/virtio-blk.c b/hw/block/virtio-blk.c index 284e646..0df7b35 100644 --- a/hw/block/virtio-blk.c +++ b/hw/block/virtio-blk.c @@ -888,6 +888,7 @@ static void virtio_blk_device_realize(DeviceState *dev, Error **errp) s->rq = NULL; s->sector_mask = (s->conf.conf.logical_block_size / BDRV_SECTOR_SIZE) - 1; + conf->num_queues = 1; s->vq = virtio_add_queue(vdev, 128, virtio_blk_handle_output); virtio_blk_data_plane_create(vdev, conf, &s->dataplane, &err); if (err != NULL) { diff --git a/include/hw/virtio/virtio-blk.h b/include/hw/virtio/virtio-blk.h index 8f2b056..9b03b6a 100644 --- a/include/hw/virtio/virtio-blk.h +++ b/include/hw/virtio/virtio-blk.h @@ -38,6 +38,7 @@ struct VirtIOBlkConf uint32_t scsi; uint32_t config_wce; uint32_t request_merging; + uint16_t num_queues; }; struct VirtIOBlockDataPlane; -- 2.5.5