From 9dbcca5aa13cb9ab40788ac4c56bc227d94ca920 Mon Sep 17 00:00:00 2001 From: Gerd Hoffmann Date: Thu, 11 Nov 2010 12:59:26 +0100 Subject: [PATCH] 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 Signed-off-by: Anthony Liguori --- hw/pc_piix.c | 8 ++++++++ hw/virtio-pci.c | 5 ++++- 2 files changed, 12 insertions(+), 1 deletion(-) diff --git a/hw/pc_piix.c b/hw/pc_piix.c index e17e878f07..31c80d273b 100644 --- a/hw/pc_piix.c +++ b/hw/pc_piix.c @@ -225,6 +225,14 @@ static QEMUMachine pc_machine_v0_13 = { .desc = "Standard PC", .init = pc_init_pci, .max_cpus = 255, + .compat_props = (GlobalProperty[]) { + { + .driver = "virtio-9p-pci", + .property = "vectors", + .value = stringify(0), + }, + { /* end of list */ } + }, }; static QEMUMachine pc_machine_v0_12 = { diff --git a/hw/virtio-pci.c b/hw/virtio-pci.c index 729917d891..3610d7e233 100644 --- a/hw/virtio-pci.c +++ b/hw/virtio-pci.c @@ -684,12 +684,14 @@ static int virtio_9p_init_pci(PCIDevice *pci_dev) VirtIODevice *vdev; vdev = virtio_9p_init(&pci_dev->qdev, &proxy->fsconf); + vdev->nvectors = proxy->nvectors; virtio_init_pci(proxy, vdev, PCI_VENDOR_ID_REDHAT_QUMRANET, 0x1009, 0x2, 0x00); - + /* make the actual value visible */ + proxy->nvectors = vdev->nvectors; return 0; } #endif @@ -758,6 +760,7 @@ static PCIDeviceInfo virtio_info[] = { .qdev.size = sizeof(VirtIOPCIProxy), .init = virtio_9p_init_pci, .qdev.props = (Property[]) { + DEFINE_PROP_UINT32("vectors", VirtIOPCIProxy, nvectors, 2), DEFINE_VIRTIO_COMMON_FEATURES(VirtIOPCIProxy, host_features), DEFINE_PROP_STRING("mount_tag", VirtIOPCIProxy, fsconf.tag), DEFINE_PROP_STRING("fsdev", VirtIOPCIProxy, fsconf.fsdev_id), -- 2.11.0