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Mon, 4 Dec 2023 23:16:24 +0000 From: Mike Christie To: fam@euphon.net, stefanha@redhat.com, jasowang@redhat.com, mst@redhat.com, sgarzare@redhat.com, pbonzini@redhat.com, qemu-devel@nongnu.org Cc: Mike Christie Subject: [PATCH v3 1/2] vhost: Add worker backend callouts Date: Mon, 4 Dec 2023 17:16:17 -0600 Message-Id: <20231204231618.21962-2-michael.christie@oracle.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20231204231618.21962-1-michael.christie@oracle.com> References: <20231204231618.21962-1-michael.christie@oracle.com> X-ClientProxiedBy: DS7PR05CA0055.namprd05.prod.outlook.com (2603:10b6:8:2f::15) To CY8PR10MB7243.namprd10.prod.outlook.com (2603:10b6:930:7c::10) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: CY8PR10MB7243:EE_|MN6PR10MB7466:EE_ X-MS-Office365-Filtering-Correlation-Id: 173042d0-c949-4025-a3fa-08dbf51f0887 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:255.255.255.255; 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envelope-from=michael.christie@oracle.com; helo=mx0a-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, 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_H5=0.001, RCVD_IN_MSPIKE_WL=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+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org This adds the vhost backend callouts for the worker ioctls added in the 6.4 linux kernel commit: c1ecd8e95007 ("vhost: allow userspace to create workers") Signed-off-by: Mike Christie Reviewed-by: Stefano Garzarella Reviewed-by: Stefan Hajnoczi --- hw/virtio/vhost-backend.c | 28 ++++++++++++++++++++++++++++ include/hw/virtio/vhost-backend.h | 14 ++++++++++++++ 2 files changed, 42 insertions(+) diff --git a/hw/virtio/vhost-backend.c b/hw/virtio/vhost-backend.c index 17f3fc6a0823..833804dd40f2 100644 --- a/hw/virtio/vhost-backend.c +++ b/hw/virtio/vhost-backend.c @@ -158,6 +158,30 @@ static int vhost_kernel_set_vring_busyloop_timeout(struct vhost_dev *dev, return vhost_kernel_call(dev, VHOST_SET_VRING_BUSYLOOP_TIMEOUT, s); } +static int vhost_kernel_new_worker(struct vhost_dev *dev, + struct vhost_worker_state *worker) +{ + return vhost_kernel_call(dev, VHOST_NEW_WORKER, worker); +} + +static int vhost_kernel_free_worker(struct vhost_dev *dev, + struct vhost_worker_state *worker) +{ + return vhost_kernel_call(dev, VHOST_FREE_WORKER, worker); +} + +static int vhost_kernel_attach_vring_worker(struct vhost_dev *dev, + struct vhost_vring_worker *worker) +{ + return vhost_kernel_call(dev, VHOST_ATTACH_VRING_WORKER, worker); +} + +static int vhost_kernel_get_vring_worker(struct vhost_dev *dev, + struct vhost_vring_worker *worker) +{ + return vhost_kernel_call(dev, VHOST_GET_VRING_WORKER, worker); +} + static int vhost_kernel_set_features(struct vhost_dev *dev, uint64_t features) { @@ -313,6 +337,10 @@ const VhostOps kernel_ops = { .vhost_set_vring_err = vhost_kernel_set_vring_err, .vhost_set_vring_busyloop_timeout = vhost_kernel_set_vring_busyloop_timeout, + .vhost_get_vring_worker = vhost_kernel_get_vring_worker, + .vhost_attach_vring_worker = vhost_kernel_attach_vring_worker, + .vhost_new_worker = vhost_kernel_new_worker, + .vhost_free_worker = vhost_kernel_free_worker, .vhost_set_features = vhost_kernel_set_features, .vhost_get_features = vhost_kernel_get_features, .vhost_set_backend_cap = vhost_kernel_set_backend_cap, diff --git a/include/hw/virtio/vhost-backend.h b/include/hw/virtio/vhost-backend.h index a86d103f8245..70c2e8ffeee5 100644 --- a/include/hw/virtio/vhost-backend.h +++ b/include/hw/virtio/vhost-backend.h @@ -45,6 +45,8 @@ struct vhost_memory; struct vhost_vring_file; struct vhost_vring_state; struct vhost_vring_addr; +struct vhost_vring_worker; +struct vhost_worker_state; struct vhost_scsi_target; struct vhost_iotlb_msg; struct vhost_virtqueue; @@ -85,6 +87,14 @@ typedef int (*vhost_set_vring_err_op)(struct vhost_dev *dev, struct vhost_vring_file *file); typedef int (*vhost_set_vring_busyloop_timeout_op)(struct vhost_dev *dev, struct vhost_vring_state *r); +typedef int (*vhost_attach_vring_worker_op)(struct vhost_dev *dev, + struct vhost_vring_worker *worker); +typedef int (*vhost_get_vring_worker_op)(struct vhost_dev *dev, + struct vhost_vring_worker *worker); +typedef int (*vhost_new_worker_op)(struct vhost_dev *dev, + struct vhost_worker_state *worker); +typedef int (*vhost_free_worker_op)(struct vhost_dev *dev, + struct vhost_worker_state *worker); typedef int (*vhost_set_features_op)(struct vhost_dev *dev, uint64_t features); typedef int (*vhost_get_features_op)(struct vhost_dev *dev, @@ -172,6 +182,10 @@ typedef struct VhostOps { vhost_set_vring_call_op vhost_set_vring_call; vhost_set_vring_err_op vhost_set_vring_err; vhost_set_vring_busyloop_timeout_op vhost_set_vring_busyloop_timeout; + vhost_new_worker_op vhost_new_worker; + vhost_free_worker_op vhost_free_worker; + vhost_get_vring_worker_op vhost_get_vring_worker; + vhost_attach_vring_worker_op vhost_attach_vring_worker; vhost_set_features_op vhost_set_features; vhost_get_features_op vhost_get_features; vhost_set_backend_cap_op vhost_set_backend_cap;