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[PATCH v5 07/15] virtio-pci: support queue enable
From: |
Xuan Zhuo |
Subject: |
[PATCH v5 07/15] virtio-pci: support queue enable |
Date: |
Wed, 14 Sep 2022 12:20:47 +0800 |
From: Kangjie Xu <kangjie.xu@linux.alibaba.com>
PCI devices support device specific vq enable.
Based on this function, the driver can re-enable the virtqueue after the
virtqueue is reset.
Signed-off-by: Kangjie Xu <kangjie.xu@linux.alibaba.com>
Signed-off-by: Xuan Zhuo <xuanzhuo@linux.alibaba.com>
Acked-by: Jason Wang <jasowang@redhat.com>
---
hw/virtio/virtio-pci.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/hw/virtio/virtio-pci.c b/hw/virtio/virtio-pci.c
index 79b9e641dd..a53b5d9f1e 100644
--- a/hw/virtio/virtio-pci.c
+++ b/hw/virtio/virtio-pci.c
@@ -1342,6 +1342,7 @@ static void virtio_pci_common_write(void *opaque, hwaddr
addr,
proxy->vqs[vdev->queue_sel].used[0]);
proxy->vqs[vdev->queue_sel].enabled = 1;
proxy->vqs[vdev->queue_sel].reset = 0;
+ virtio_queue_enable(vdev, vdev->queue_sel);
} else {
virtio_error(vdev, "wrong value for queue_enable %"PRIx64, val);
}
--
2.32.0.3.g01195cf9f
- [PATCH v5 00/15] Support VIRTIO_F_RING_RESET for virtio-net, vhost-net kernel in virtio pci-modern, Xuan Zhuo, 2022/09/14
- [PATCH v5 12/15] virtio-net: introduce flush_or_purge_queued_packets(), Xuan Zhuo, 2022/09/14
- [PATCH v5 10/15] vhost-net: vhost-kernel: introduce vhost_net_virtqueue_reset(), Xuan Zhuo, 2022/09/14
- [PATCH v5 03/15] virtio: introduce virtio_queue_reset(), Xuan Zhuo, 2022/09/14
- [PATCH v5 09/15] vhost: expose vhost_virtqueue_stop(), Xuan Zhuo, 2022/09/14
- [PATCH v5 08/15] vhost: expose vhost_virtqueue_start(), Xuan Zhuo, 2022/09/14
- [PATCH v5 15/15] vhost: vhost-kernel: enable vq reset feature, Xuan Zhuo, 2022/09/14
- [PATCH v5 07/15] virtio-pci: support queue enable,
Xuan Zhuo <=
- [PATCH v5 01/15] virtio: sync relevant definitions with linux, Xuan Zhuo, 2022/09/14
- [PATCH v5 14/15] virtio-net: support queue_enable, Xuan Zhuo, 2022/09/14
- [PATCH v5 05/15] virtio: core: vq reset feature negotation support, Xuan Zhuo, 2022/09/14
- [PATCH v5 02/15] virtio: introduce __virtio_queue_reset(), Xuan Zhuo, 2022/09/14
- [PATCH v5 11/15] vhost-net: vhost-kernel: introduce vhost_net_virtqueue_restart(), Xuan Zhuo, 2022/09/14
- [PATCH v5 06/15] virtio-pci: support queue reset, Xuan Zhuo, 2022/09/14
- [PATCH v5 13/15] virtio-net: support queue reset, Xuan Zhuo, 2022/09/14
- [PATCH v5 04/15] virtio: introduce virtio_queue_enable(), Xuan Zhuo, 2022/09/14