在 2012-8-20 下午9:18，"Paolo Bonzini" <pbonz...@redhat.com>写道： > > Il 20/08/2012 11:03, Cong Meng ha scritto: > > Each virtio scsi HBA has global request queue limits. But the passthrough > > LUNs (scsi-generic) come from different host HBAs may have different request > > queue limits. If the guest sends commands that exceed the host limits, the > > commands will be rejected by host HAB. > > > > To address this issue, this patch adds a per-LUN parameter query via the control > > queue, and defines some parameter query types. The driver can query and set the > > needed per-LUN parameters if the device enables this feature. > > > > Signed-off-by: Cong Meng <m...@linux.vnet.ibm.com> > > -- > > virtio-spec.lyx | 218 +++++++++++++++++++++++++++++++++++++++++++++++++++++++ > > 1 files changed, 218 insertions(+), 0 deletions(-) > > Do you have kernel and QEMU patches for this? That would help me > evaluate whether the interface is the correct one. > yes,I have a demo. I will post it after I polish it tomorrow.
> In any case, I'd rather have a single command returning all three values > (VIRTIO_SCSI_T_LUN_QUEUE_PARAMS), since it's unlikely that you need just > one. I intend to seperat them one by one. As there is opportunity that other new parameters are needed for other features. Thanks. Cong. > > Paolo > _______________________________________________ > Virtualization mailing list > virtualizat...@lists.linux-foundation.org > https://lists.linuxfoundation.org/mailman/listinfo/virtualization
