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authorLi Feng <fengli@smartx.com>2023-10-09 12:46:59 +0800
committerMichael S. Tsirkin <mst@redhat.com>2023-10-22 05:18:17 -0400
commit7962e432b4e40e4395a93aa121045c58f34195fb (patch)
tree3794707373b364f1e6a641332157fe772914201f /include
parent4dfcc09f48c4f81a9a4e2300065edbe6b589a6ce (diff)
downloadfocaccia-qemu-7962e432b4e40e4395a93aa121045c58f34195fb.tar.gz
focaccia-qemu-7962e432b4e40e4395a93aa121045c58f34195fb.zip
vhost-user-scsi: support reconnect to backend
If the backend crashes and restarts, the device is broken.
This patch adds reconnect for vhost-user-scsi.

This patch also improves the error messages, and reports some silent errors.

Tested with spdk backend.

Signed-off-by: Li Feng <fengli@smartx.com>
Message-Id: <20231009044735.941655-4-fengli@smartx.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Manos Pitsidianakis <manos.pitsidianakis@linaro.org>
Diffstat (limited to 'include')
-rw-r--r--include/hw/virtio/vhost-scsi-common.h2
-rw-r--r--include/hw/virtio/vhost-user-scsi.h6
2 files changed, 7 insertions, 1 deletions
diff --git a/include/hw/virtio/vhost-scsi-common.h b/include/hw/virtio/vhost-scsi-common.h
index 18f115527c..c5d2c09455 100644
--- a/include/hw/virtio/vhost-scsi-common.h
+++ b/include/hw/virtio/vhost-scsi-common.h
@@ -39,7 +39,7 @@ struct VHostSCSICommon {
     struct vhost_inflight *inflight;
 };
 
-int vhost_scsi_common_start(VHostSCSICommon *vsc);
+int vhost_scsi_common_start(VHostSCSICommon *vsc, Error **errp);
 void vhost_scsi_common_stop(VHostSCSICommon *vsc);
 char *vhost_scsi_common_get_fw_dev_path(FWPathProvider *p, BusState *bus,
                                         DeviceState *dev);
diff --git a/include/hw/virtio/vhost-user-scsi.h b/include/hw/virtio/vhost-user-scsi.h
index 521b08e559..78fe616ccb 100644
--- a/include/hw/virtio/vhost-user-scsi.h
+++ b/include/hw/virtio/vhost-user-scsi.h
@@ -28,7 +28,13 @@ OBJECT_DECLARE_SIMPLE_TYPE(VHostUserSCSI, VHOST_USER_SCSI)
 
 struct VHostUserSCSI {
     VHostSCSICommon parent_obj;
+
+    /* Properties */
+    bool connected;
+    bool started_vu;
+
     VhostUserState vhost_user;
+    struct vhost_virtqueue *vhost_vqs;
 };
 
 #endif /* VHOST_USER_SCSI_H */