diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/hw/virtio/virtio-scsi.h | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/include/hw/virtio/virtio-scsi.h b/include/hw/virtio/virtio-scsi.h index e886517c6d..8e1968f9e8 100644 --- a/include/hw/virtio/virtio-scsi.h +++ b/include/hw/virtio/virtio-scsi.h @@ -182,6 +182,18 @@ typedef struct VirtIOSCSI { SCSIBus bus; int resetting; bool events_dropped; + + /* Fields for dataplane below */ + AioContext *ctx; /* one iothread per virtio-scsi-pci for now */ + + /* Vring is used instead of vq in dataplane code, because of the underlying + * memory layer thread safety */ + VirtIOSCSIVring *ctrl_vring; + VirtIOSCSIVring *event_vring; + VirtIOSCSIVring **cmd_vrings; + bool dataplane_started; + bool dataplane_starting; + bool dataplane_stopping; } VirtIOSCSI; typedef struct VirtIOSCSIReq { @@ -248,4 +260,11 @@ void virtio_scsi_free_req(VirtIOSCSIReq *req); void virtio_scsi_push_event(VirtIOSCSI *s, SCSIDevice *dev, uint32_t event, uint32_t reason); +void virtio_scsi_set_iothread(VirtIOSCSI *s, IOThread *iothread); +void virtio_scsi_dataplane_start(VirtIOSCSI *s); +void virtio_scsi_dataplane_stop(VirtIOSCSI *s); +void virtio_scsi_vring_push_notify(VirtIOSCSIReq *req); +VirtIOSCSIReq *virtio_scsi_pop_req_vring(VirtIOSCSI *s, + VirtIOSCSIVring *vring); + #endif /* _QEMU_VIRTIO_SCSI_H */ |