HI, Do we need to maintain one QEMU branch to collect all useful latest patches for tcm_vhost support? You know, those patches will not get merged into qemu.git/master. On Thu, Jul 12, 2012 at 4:55 AM, Nicholas A. Bellinger <nab@xxxxxxxxxxxxxxx> wrote: > From: Nicholas Bellinger <nab@xxxxxxxxxxxxxxx> > > This QEMU patch sets VirtIOSCSIConfig->max_target=0 for vhost-scsi operation > to restrict virtio-scsi LLD guest scanning to max_id=0 (a single target ID > instance) when connected to individual tcm_vhost endpoints as requested by > Paolo. > > This ensures that virtio-scsi LLD only attempts to scan target IDs up to > VIRTIO_SCSI_MAX_TARGET when connected via virtio-scsi-raw. > > It's currently cut against Zhi's qemu vhost-scsi tree here: > > https://github.com/wuzhy/qemu/tree/vhost-scsi > > Cc: Stefan Hajnoczi <stefanha@xxxxxxxxxxxxxxxxxx> > Cc: Zhi Yong Wu <wuzhy@xxxxxxxxxxxxxxxxxx> > Cc: Paolo Bonzini <pbonzini@xxxxxxxxxx> > Signed-off-by: Nicholas Bellinger <nab@xxxxxxxxxxxxxxx> > --- > hw/virtio-scsi.c | 6 +++++- > 1 files changed, 5 insertions(+), 1 deletions(-) > > diff --git a/hw/virtio-scsi.c b/hw/virtio-scsi.c > index e38cdd0..71276b6 100644 > --- a/hw/virtio-scsi.c > +++ b/hw/virtio-scsi.c > @@ -523,7 +523,11 @@ static void virtio_scsi_get_config(VirtIODevice *vdev, > stl_raw(&scsiconf->sense_size, s->sense_size); > stl_raw(&scsiconf->cdb_size, s->cdb_size); > stl_raw(&scsiconf->max_channel, VIRTIO_SCSI_MAX_CHANNEL); > - stl_raw(&scsiconf->max_target, VIRTIO_SCSI_MAX_TARGET); > + if (s->vhost_scsi) { > + stl_raw(&scsiconf->max_target, 0); > + } else { > + stl_raw(&scsiconf->max_target, VIRTIO_SCSI_MAX_TARGET); > + } > stl_raw(&scsiconf->max_lun, VIRTIO_SCSI_MAX_LUN); > } > > -- > 1.7.2.5 > > -- > You received this message because you are subscribed to the Google Groups "Linux-iSCSI.org Target Development" group. > To post to this group, send email to linux-iscsi-target-dev@xxxxxxxxxxxxxxxx. > To unsubscribe from this group, send email to linux-iscsi-target-dev+unsubscribe@xxxxxxxxxxxxxxxx. > For more options, visit this group at http://groups.google.com/group/linux-iscsi-target-dev?hl=en. > -- Regards, Zhi Yong Wu -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
