diff options
| author | Marcel Apfelbaum <marcel@redhat.com> | 2017-02-20 22:43:12 +0200 |
|---|---|---|
| committer | Michael S. Tsirkin <mst@redhat.com> | 2017-03-16 01:46:41 +0200 |
| commit | d584f1b9ca7452ed8d6cd80f7fccd79d667ae49b (patch) | |
| tree | 7bff296599edb06fae38918ee3bfaac35ed51b10 /hw/virtio/virtio-pci.c | |
| parent | c2cabb34220d63f93e4a0162a26535cbd1f30243 (diff) | |
| download | focaccia-qemu-d584f1b9ca7452ed8d6cd80f7fccd79d667ae49b.tar.gz focaccia-qemu-d584f1b9ca7452ed8d6cd80f7fccd79d667ae49b.zip | |
hw/virtio: fix Link Control Register for PCI Express virtio devices
Make several Link Control Register flags writable to conform with the PCI Express spec. Signed-off-by: Marcel Apfelbaum <marcel@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Diffstat (limited to 'hw/virtio/virtio-pci.c')
| -rw-r--r-- | hw/virtio/virtio-pci.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/hw/virtio/virtio-pci.c b/hw/virtio/virtio-pci.c index f6de5eeeab..300aa4a7f3 100644 --- a/hw/virtio/virtio-pci.c +++ b/hw/virtio/virtio-pci.c @@ -1824,6 +1824,11 @@ static void virtio_pci_realize(PCIDevice *pci_dev, Error **errp) pcie_cap_deverr_init(pci_dev); } + if (proxy->flags & VIRTIO_PCI_FLAG_INIT_LNKCTL) { + /* Init Link Control Register */ + pcie_cap_lnkctl_init(pci_dev); + } + if (proxy->flags & VIRTIO_PCI_FLAG_ATS) { pcie_ats_init(pci_dev, 256); } @@ -1871,6 +1876,7 @@ static void virtio_pci_reset(DeviceState *qdev) if (pci_is_express(dev)) { pcie_cap_deverr_reset(dev); + pcie_cap_lnkctl_reset(dev); } } @@ -1894,6 +1900,8 @@ static Property virtio_pci_properties[] = { VIRTIO_PCI_FLAG_ATS_BIT, false), DEFINE_PROP_BIT("x-pcie-deverr-init", VirtIOPCIProxy, flags, VIRTIO_PCI_FLAG_INIT_DEVERR_BIT, true), + DEFINE_PROP_BIT("x-pcie-lnkctl-init", VirtIOPCIProxy, flags, + VIRTIO_PCI_FLAG_INIT_LNKCTL_BIT, true), DEFINE_PROP_END_OF_LIST(), }; |