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Tsirkin" , Jason Wang , Peter Xu , Fabiano Rosas , Euan Turner , Steve Sistare Subject: [RFC V1 1/6] Revert "vhost-backend: remove vhost_kernel_reset_device()" Date: Fri, 30 Aug 2024 04:56:32 -0700 Message-Id: <1725018997-363706-2-git-send-email-steven.sistare@oracle.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1725018997-363706-1-git-send-email-steven.sistare@oracle.com> References: <1725018997-363706-1-git-send-email-steven.sistare@oracle.com> X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1039,Hydra:6.0.680,FMLib:17.12.28.16 definitions=2024-08-30_06,2024-08-30_01,2024-05-17_01 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 spamscore=0 mlxscore=0 suspectscore=0 phishscore=0 malwarescore=0 bulkscore=0 mlxlogscore=999 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2407110000 definitions=main-2408300090 X-Proofpoint-GUID: 2p8eCbpzXUOL3tlXJerM-UIXTz5--a0y X-Proofpoint-ORIG-GUID: 2p8eCbpzXUOL3tlXJerM-UIXTz5--a0y Received-SPF: pass client-ip=205.220.177.32; envelope-from=steven.sistare@oracle.com; helo=mx0b-00069f02.pphosted.com X-Spam_score_int: -27 X-Spam_score: -2.8 X-Spam_bar: -- X-Spam_report: (-2.8 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_MED=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, RCVD_IN_VALIDITY_CERTIFIED_BLOCKED=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org This reverts commit e6383293eb01928692047e617665a742cca87e23. The reset function is needed for CPR. Signed-off-by: Steve Sistare Signed-off-by: Steve Sistare --- hw/virtio/vhost-backend.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/hw/virtio/vhost-backend.c b/hw/virtio/vhost-backend.c index 833804d..9b75141 100644 --- a/hw/virtio/vhost-backend.c +++ b/hw/virtio/vhost-backend.c @@ -221,6 +221,11 @@ static int vhost_kernel_set_owner(struct vhost_dev *dev) return vhost_kernel_call(dev, VHOST_SET_OWNER, NULL); } +static int vhost_kernel_reset_device(struct vhost_dev *dev) +{ + return vhost_kernel_call(dev, VHOST_RESET_OWNER, NULL); +} + static int vhost_kernel_get_vq_index(struct vhost_dev *dev, int idx) { assert(idx >= dev->vq_index && idx < dev->vq_index + dev->nvqs); @@ -345,6 +350,7 @@ const VhostOps kernel_ops = { .vhost_get_features = vhost_kernel_get_features, .vhost_set_backend_cap = vhost_kernel_set_backend_cap, .vhost_set_owner = vhost_kernel_set_owner, + .vhost_reset_device = vhost_kernel_reset_device, .vhost_get_vq_index = vhost_kernel_get_vq_index, .vhost_vsock_set_guest_cid = vhost_kernel_vsock_set_guest_cid, .vhost_vsock_set_running = vhost_kernel_vsock_set_running,