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virtfs: enable MSI-X 

This patch enables MSI-X for virtfs-9p-pci.  It also adds a
compat property to pc-0.13 which turns it of there to stay
compatible to 0.13-stable.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
This commit is contained in:
Gerd Hoffmann 2010-11-11 12:59:26 +01:00 committed by Anthony Liguori
parent b903a0f721
commit 9dbcca5aa1
2 changed files with 12 additions and 1 deletions
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8
hw/pc_piix.c
View File

@ -225,6 +225,14 @@ static QEMUMachine pc_machine_v0_13 = {
.desc = "Standard PC", .desc = "Standard PC",
.init = pc_init_pci, .init = pc_init_pci,
.max_cpus = 255, .max_cpus = 255,
.compat_props = (GlobalProperty[]) {
{
.driver = "virtio-9p-pci",
.property = "vectors",
.value = stringify(0),
},
{ /* end of list */ }
},
}; };
static QEMUMachine pc_machine_v0_12 = { static QEMUMachine pc_machine_v0_12 = {

5
hw/virtio-pci.c
View File

@ -684,12 +684,14 @@ static int virtio_9p_init_pci(PCIDevice *pci_dev)
VirtIODevice *vdev; VirtIODevice *vdev;
vdev = virtio_9p_init(&pci_dev->qdev, &proxy->fsconf); vdev = virtio_9p_init(&pci_dev->qdev, &proxy->fsconf);
vdev->nvectors = proxy->nvectors;
virtio_init_pci(proxy, vdev, virtio_init_pci(proxy, vdev,
PCI_VENDOR_ID_REDHAT_QUMRANET, PCI_VENDOR_ID_REDHAT_QUMRANET,
0x1009, 0x1009,
0x2, 0x2,
0x00); 0x00);
/* make the actual value visible */
proxy->nvectors = vdev->nvectors;
return 0; return 0;
} }
#endif #endif
@ -758,6 +760,7 @@ static PCIDeviceInfo virtio_info[] = {
.qdev.size = sizeof(VirtIOPCIProxy), .qdev.size = sizeof(VirtIOPCIProxy),
.init = virtio_9p_init_pci, .init = virtio_9p_init_pci,
.qdev.props = (Property[]) { .qdev.props = (Property[]) {
DEFINE_PROP_UINT32("vectors", VirtIOPCIProxy, nvectors, 2),
DEFINE_VIRTIO_COMMON_FEATURES(VirtIOPCIProxy, host_features), DEFINE_VIRTIO_COMMON_FEATURES(VirtIOPCIProxy, host_features),
DEFINE_PROP_STRING("mount_tag", VirtIOPCIProxy, fsconf.tag), DEFINE_PROP_STRING("mount_tag", VirtIOPCIProxy, fsconf.tag),
DEFINE_PROP_STRING("fsdev", VirtIOPCIProxy, fsconf.fsdev_id), DEFINE_PROP_STRING("fsdev", VirtIOPCIProxy, fsconf.fsdev_id),