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Tsirkin" , qemu-devel@nongnu.org Subject: [PATCH v5 3/4] vhost-user-vsock-pci: force virtio version 1 Date: Mon, 21 Sep 2020 14:25:05 +0200 Message-Id: <20200921122506.82515-4-sgarzare@redhat.com> In-Reply-To: <20200921122506.82515-1-sgarzare@redhat.com> References: <20200921122506.82515-1-sgarzare@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.12 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=sgarzare@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=216.205.24.124; envelope-from=sgarzare@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/09/21 01:43:11 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] [fuzzy] X-Spam_score_int: -35 X-Spam_score: -3.6 X-Spam_bar: --- X-Spam_report: (-3.6 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-1.455, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H5=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=unavailable autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Thomas Huth , Qinghua Cheng , Eduardo Habkost , David Hildenbrand , Qian Cai , qemu-stable@nongnu.org, Halil Pasic , Christian Borntraeger , qemu-s390x@nongnu.org, Richard Henderson Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) Content-Type: text/plain; charset="utf-8" Commit 9b3a35ec82 ("virtio: verify that legacy support is not accidentally on") added a safety check that requires to set 'disable-legacy=3Don' on vhost-user-vsock-pci device: $ ./qemu-system-x86_64 ... \ -chardev socket,id=3Dchar0,reconnect=3D0,path=3D/tmp/vhost4.socket \ -device vhost-user-vsock-pci,chardev=3Dchar0 qemu-system-x86_64: -device vhost-user-vsock-pci,chardev=3Dchar0: device is modern-only, use disable-legacy=3Don virtio-vsock was introduced after the release of VIRTIO 1.0 specifications, so it should be 'modern-only'. This patch forces virtio version 1 and removes the 'transitional_name' property, as done for vhost-vsock-pci, removing the need to specify 'disable-legacy=3Don' on vhost-user-vsock-pci device. Cc: qemu-stable@nongnu.org Suggested-by: Cornelia Huck Reviewed-by: Cornelia Huck Signed-off-by: Stefano Garzarella --- v4: - added comment in the code [Cornelia] v2: - fixed commit message [Cornelia] --- hw/virtio/vhost-user-vsock-pci.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/hw/virtio/vhost-user-vsock-pci.c b/hw/virtio/vhost-user-vsock-= pci.c index 763f89984e..72a96199cd 100644 --- a/hw/virtio/vhost-user-vsock-pci.c +++ b/hw/virtio/vhost-user-vsock-pci.c @@ -41,6 +41,9 @@ static void vhost_user_vsock_pci_realize(VirtIOPCIProxy *= vpci_dev, Error **errp) VHostUserVSockPCI *dev =3D VHOST_USER_VSOCK_PCI(vpci_dev); DeviceState *vdev =3D DEVICE(&dev->vdev); =20 + /* unlike vhost-vsock, we do not need to care about pre-5.1 compat */ + virtio_pci_force_virtio_1(vpci_dev); + qdev_realize(vdev, BUS(&vpci_dev->bus), errp); } =20 @@ -69,7 +72,6 @@ static void vhost_user_vsock_pci_instance_init(Object *ob= j) static const VirtioPCIDeviceTypeInfo vhost_user_vsock_pci_info =3D { .base_name =3D TYPE_VHOST_USER_VSOCK_PCI, .generic_name =3D "vhost-user-vsock-pci", - .transitional_name =3D "vhost-user-vsock-pci-transitional", .non_transitional_name =3D "vhost-user-vsock-pci-non-transitional", .instance_size =3D sizeof(VHostUserVSockPCI), .instance_init =3D vhost_user_vsock_pci_instance_init, --=20 2.26.2