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[PULL v2 07/27] virtio: update queue size on guest write
From: |
Michael S. Tsirkin |
Subject: |
[PULL v2 07/27] virtio: update queue size on guest write |
Date: |
Mon, 23 Dec 2019 11:41:28 -0500 |
Some guests read back queue size after writing it.
Update the size immediatly upon write otherwise
they get confused.
Signed-off-by: Michael S. Tsirkin <address@hidden>
---
hw/virtio/virtio-pci.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/hw/virtio/virtio-pci.c b/hw/virtio/virtio-pci.c
index c6b47a9c73..e5c759e19e 100644
--- a/hw/virtio/virtio-pci.c
+++ b/hw/virtio/virtio-pci.c
@@ -1256,6 +1256,8 @@ static void virtio_pci_common_write(void *opaque, hwaddr
addr,
break;
case VIRTIO_PCI_COMMON_Q_SIZE:
proxy->vqs[vdev->queue_sel].num = val;
+ virtio_queue_set_num(vdev, vdev->queue_sel,
+ proxy->vqs[vdev->queue_sel].num);
break;
case VIRTIO_PCI_COMMON_Q_MSIX:
msix_vector_unuse(&proxy->pci_dev,
--
MST
- [PULL v2 00/27] virtio, pci, pc: fixes, features, Michael S. Tsirkin, 2019/12/23
- [PULL v2 01/27] virtio: add ability to delete vq through a pointer, Michael S. Tsirkin, 2019/12/23
- [PULL v2 02/27] virtio: make virtio_delete_queue idempotent, Michael S. Tsirkin, 2019/12/23
- [PULL v2 03/27] virtio-balloon: fix memory leak while attach virtio-balloon device, Michael S. Tsirkin, 2019/12/23
- [PULL v2 04/27] virtio-serial-bus: fix memory leak while attach virtio-serial-bus, Michael S. Tsirkin, 2019/12/23
- [PULL v2 05/27] virtio-input: convert to new virtio_delete_queue, Michael S. Tsirkin, 2019/12/23
- [PULL v2 06/27] intel_iommu: fix bug to read DMAR_RTADDR_REG, Michael S. Tsirkin, 2019/12/23
- [PULL v2 07/27] virtio: update queue size on guest write,
Michael S. Tsirkin <=
- [PULL v2 09/27] Implement backend program convention command for vhost-user-blk, Michael S. Tsirkin, 2019/12/23
- [PULL v2 08/27] virtio-pci: disable vring processing when bus-mastering is disabled, Michael S. Tsirkin, 2019/12/23
- [PULL v2 10/27] virtio: don't enable notifications during polling, Michael S. Tsirkin, 2019/12/23
- [PULL v2 11/27] numa: Extend CLI to provide initiator information for numa nodes, Michael S. Tsirkin, 2019/12/23
- [PULL v2 12/27] numa: Extend CLI to provide memory latency and bandwidth information, Michael S. Tsirkin, 2019/12/23
- [PULL v2 13/27] numa: Extend CLI to provide memory side cache information, Michael S. Tsirkin, 2019/12/23
- [PULL v2 14/27] hmat acpi: Build Memory Proximity Domain Attributes Structure(s), Michael S. Tsirkin, 2019/12/23
- [PULL v2 15/27] hmat acpi: Build System Locality Latency and Bandwidth Information Structure(s), Michael S. Tsirkin, 2019/12/23
- [PULL v2 16/27] hmat acpi: Build Memory Side Cache Information Structure(s), Michael S. Tsirkin, 2019/12/23
- [PULL v2 17/27] tests/numa: Add case for QMP build HMAT, Michael S. Tsirkin, 2019/12/23