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| author | Fam Zheng | 2014-09-23 09:49:28 +0200 |
|---|---|---|
| committer | Paolo Bonzini | 2014-09-30 11:11:20 +0200 |
| commit | 1880ad4f4e3b49f15c55e816d66b9690b3ede00c (patch) | |
| tree | f02488a1e153e469f00ac5c4527c0f6ba005d3cb /include | |
| parent | virtio-scsi: Two stages processing of cmd request (diff) | |
| download | qemu-1880ad4f4e3b49f15c55e816d66b9690b3ede00c.tar.gz qemu-1880ad4f4e3b49f15c55e816d66b9690b3ede00c.tar.xz qemu-1880ad4f4e3b49f15c55e816d66b9690b3ede00c.zip | |
virtio-scsi: Batched prepare for cmd reqs
Queue the popped requests while calling
virtio_scsi_handle_cmd_req_prepare(), then submit them after all
prepared.
Signed-off-by: Fam Zheng <famz@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'include')
| -rw-r--r-- | include/hw/virtio/virtio-scsi.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/include/hw/virtio/virtio-scsi.h b/include/hw/virtio/virtio-scsi.h index 1cc759a644..60dbfc99a8 100644 --- a/include/hw/virtio/virtio-scsi.h +++ b/include/hw/virtio/virtio-scsi.h @@ -213,6 +213,10 @@ typedef struct VirtIOSCSIReq { VirtQueueElement elem; /* Set by dataplane code. */ VirtIOSCSIVring *vring; + + /* Used for two-stage request submission */ + QTAILQ_ENTRY(VirtIOSCSIReq) next; + SCSIRequest *sreq; size_t resp_size; enum SCSIXferMode mode; |