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[Qemu-devel] [PULL 3/9] virtio-blk: add VirtIOBlockConf->num_queues
From: |
Stefan Hajnoczi |
Subject: |
[Qemu-devel] [PULL 3/9] virtio-blk: add VirtIOBlockConf->num_queues |
Date: |
Tue, 28 Jun 2016 14:23:25 +0100 |
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 <address@hidden>
Reviewed-by: Fam Zheng <address@hidden>
Message-id: address@hidden
Signed-off-by: Stefan Hajnoczi <address@hidden>
---
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 beb4e12..4a3781a 100644
--- a/hw/block/virtio-blk.c
+++ b/hw/block/virtio-blk.c
@@ -883,6 +883,7 @@ 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;
--
2.7.4
- [Qemu-devel] [PULL 0/9] Block patches, Stefan Hajnoczi, 2016/06/28
- [Qemu-devel] [PULL 1/9] Revert "virtio: sync the dataplane vring state to the virtqueue before virtio_save", Stefan Hajnoczi, 2016/06/28
- [Qemu-devel] [PULL 4/9] virtio-blk: multiqueue batch notify, Stefan Hajnoczi, 2016/06/28
- [Qemu-devel] [PULL 5/9] virtio-blk: tell dataplane which vq to notify, Stefan Hajnoczi, 2016/06/28
- [Qemu-devel] [PULL 2/9] dma-helpers: dma_blk_io() cancel support, Stefan Hajnoczi, 2016/06/28
- [Qemu-devel] [PULL 6/9] virtio-blk: associate request with a virtqueue, Stefan Hajnoczi, 2016/06/28
- [Qemu-devel] [PULL 7/9] virtio-blk: live migrate s->rq with multiqueue, Stefan Hajnoczi, 2016/06/28
- [Qemu-devel] [PULL 3/9] virtio-blk: add VirtIOBlockConf->num_queues,
Stefan Hajnoczi <=
- [Qemu-devel] [PULL 9/9] virtio-blk: add num-queues device property, Stefan Hajnoczi, 2016/06/28
- [Qemu-devel] [PULL 8/9] virtio-blk: dataplane multiqueue support, Stefan Hajnoczi, 2016/06/28
- Re: [Qemu-devel] [PULL 0/9] Block patches, Peter Maydell, 2016/06/28