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authorAmit Shah <amit.shah@redhat.com>2010-02-12 18:52:38 +0530
committerAnthony Liguori <aliguori@us.ibm.com>2010-02-19 15:32:16 -0600
commit7b665b668aa92bf0bba696f085dff87539d95529 (patch)
tree8e4fa5c15082fd6b0088fb88df28bc5e40d53b02 /hw
parentee4d45be0d791eb8bb0f767cd0f17ea8f697281b (diff)
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virtio-serial: pci: Allow MSI to be disabled
Michael noted we don't allow disabling of MSI for the virtio-serial-pci device. Fix that. Signed-off-by: Amit Shah <amit.shah@redhat.com> CC: "Michael S. Tsirkin" <mst@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Diffstat (limited to 'hw')
-rw-r--r--hw/virtio-pci.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/hw/virtio-pci.c b/hw/virtio-pci.c
index f3373ae..bcd40f7 100644
--- a/hw/virtio-pci.c
+++ b/hw/virtio-pci.c
@@ -500,8 +500,8 @@ static int virtio_serial_init_pci(PCIDevice *pci_dev)
if (!vdev) {
return -1;
}
- vdev->nvectors = proxy->nvectors ? proxy->nvectors
- : proxy->max_virtserial_ports + 1;
+ vdev->nvectors = proxy->nvectors == -1 ? proxy->max_virtserial_ports + 1
+ : proxy->nvectors;
virtio_init_pci(proxy, vdev,
PCI_VENDOR_ID_REDHAT_QUMRANET,
PCI_DEVICE_ID_VIRTIO_CONSOLE,
@@ -585,7 +585,7 @@ static PCIDeviceInfo virtio_info[] = {
.init = virtio_serial_init_pci,
.exit = virtio_exit_pci,
.qdev.props = (Property[]) {
- DEFINE_PROP_UINT32("vectors", VirtIOPCIProxy, nvectors, 0),
+ DEFINE_PROP_UINT32("vectors", VirtIOPCIProxy, nvectors, -1),
DEFINE_PROP_HEX32("class", VirtIOPCIProxy, class_code, 0),
DEFINE_VIRTIO_COMMON_FEATURES(VirtIOPCIProxy, host_features),
DEFINE_PROP_UINT32("max_ports", VirtIOPCIProxy, max_virtserial_ports,