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[Qemu-devel] [PATCH v4 04/11] virtio: initialize wrap counter for packed
From: |
wexu |
Subject: |
[Qemu-devel] [PATCH v4 04/11] virtio: initialize wrap counter for packed ring |
Date: |
Wed, 13 Feb 2019 23:26:35 -0500 |
From: Wei Xu <address@hidden>
Set to 'true' by default due to spec.
Signed-off-by: Wei Xu <address@hidden>
---
hw/virtio/virtio.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/hw/virtio/virtio.c b/hw/virtio/virtio.c
index 1a98e61..54dc098 100644
--- a/hw/virtio/virtio.c
+++ b/hw/virtio/virtio.c
@@ -1238,6 +1238,9 @@ void virtio_reset(void *opaque)
vdev->vq[i].last_avail_idx = 0;
vdev->vq[i].shadow_avail_idx = 0;
vdev->vq[i].used_idx = 0;
+ vdev->vq[i].last_avail_wrap_counter = true;
+ vdev->vq[i].avail_wrap_counter = true;
+ vdev->vq[i].used_wrap_counter = true;
virtio_queue_set_vector(vdev, i, VIRTIO_NO_VECTOR);
vdev->vq[i].signalled_used = 0;
vdev->vq[i].signalled_used_valid = false;
--
1.8.3.1
- [Qemu-devel] [PATCH v4 00/11] packed ring virtio-net backends support, wexu, 2019/02/13
- [Qemu-devel] [PATCH v4 04/11] virtio: initialize wrap counter for packed ring,
wexu <=
- [Qemu-devel] [PATCH v4 05/11] virtio: queue/descriptor check helpers for packed ring, wexu, 2019/02/13
- [Qemu-devel] [PATCH v4 02/11] virtio: device/driver area size calculation helper for split ring, wexu, 2019/02/13
- [Qemu-devel] [PATCH v4 03/11] virtio: initialize packed ring region, wexu, 2019/02/13
- [Qemu-devel] [PATCH v4 01/11] virtio: rename structure for packed ring, wexu, 2019/02/13
- [Qemu-devel] [PATCH v4 09/11] virtio-net: update the head descriptor in a chain lastly, wexu, 2019/02/13