diff options
| author | David Daney <david.daney@fungible.com> | 2022-10-14 18:09:47 +0200 |
|---|---|---|
| committer | Michael S. Tsirkin <mst@redhat.com> | 2022-11-07 13:12:20 -0500 |
| commit | 9ea02e8f13068d5f902c4bce909de2997fd77e41 (patch) | |
| tree | 6037a60106b262ec68662e44be5dfd2bfc7c514c /hw/virtio | |
| parent | 93a97dc5200a95e63b99cb625f20b7ae802ba413 (diff) | |
virtio-rng-pci: Allow setting nvectors, so we can use MSI-X
Most other virtio-pci devices allow MSI-X, let's have it for rng too.
Signed-off-by: David Daney <david.daney@fungible.com>
Reviewed-by: Marcin Nowakowski <marcin.nowakowski@fungible.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@fungible.com>
Message-Id: <20221014160947.66105-1-philmd@fungible.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Diffstat (limited to 'hw/virtio')
| -rw-r--r-- | hw/virtio/virtio-rng-pci.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/hw/virtio/virtio-rng-pci.c b/hw/virtio/virtio-rng-pci.c index 151ece6f94..6e76f8b57b 100644 --- a/hw/virtio/virtio-rng-pci.c +++ b/hw/virtio/virtio-rng-pci.c @@ -13,6 +13,7 @@ #include "hw/virtio/virtio-pci.h" #include "hw/virtio/virtio-rng.h" +#include "hw/qdev-properties.h" #include "qapi/error.h" #include "qemu/module.h" #include "qom/object.h" @@ -31,11 +32,23 @@ struct VirtIORngPCI { VirtIORNG vdev; }; +static Property virtio_rng_properties[] = { + DEFINE_PROP_BIT("ioeventfd", VirtIOPCIProxy, flags, + VIRTIO_PCI_FLAG_USE_IOEVENTFD_BIT, true), + DEFINE_PROP_UINT32("vectors", VirtIOPCIProxy, nvectors, + DEV_NVECTORS_UNSPECIFIED), + DEFINE_PROP_END_OF_LIST(), +}; + static void virtio_rng_pci_realize(VirtIOPCIProxy *vpci_dev, Error **errp) { VirtIORngPCI *vrng = VIRTIO_RNG_PCI(vpci_dev); DeviceState *vdev = DEVICE(&vrng->vdev); + if (vpci_dev->nvectors == DEV_NVECTORS_UNSPECIFIED) { + vpci_dev->nvectors = 2; + } + if (!qdev_realize(vdev, BUS(&vpci_dev->bus), errp)) { return; } @@ -54,6 +67,7 @@ static void virtio_rng_pci_class_init(ObjectClass *klass, void *data) pcidev_k->device_id = PCI_DEVICE_ID_VIRTIO_RNG; pcidev_k->revision = VIRTIO_PCI_ABI_VERSION; pcidev_k->class_id = PCI_CLASS_OTHERS; + device_class_set_props(dc, virtio_rng_properties); } static void virtio_rng_initfn(Object *obj) |