Re: [Qemu-devel] [PATCH 0/3] Add support for vhost-scsi-pci

["Michael S. Tsirkin" <mst@redhat.com>]

On Wed, Mar 27, 2013 at 09:59:43PM +0000, Nicholas A. Bellinger wrote:
> From: Nicholas Bellinger <nab@linux-iscsi.org>
> 
> Hi QEMU folks,
> 
> The following is the patch series to support vhost-scsi-pci within the
> upstream QEMU tree.
> 
> This includes the refactoring of existing virtio-scsi code from Paolo
> to allow a VirtIOSCSICommon structure that is shared amoungst existing
> virtio-scsi-pci device and new vhost-scsi-pci device code.
> 
> Currently this code requires Asias's seabios bugfixes (commit 5a7730db5
> and b44a7be17), and another tcm_vhost patch to reset vq->last_used_idx
> after seabios handoff that's currently in flight for v3.9.0 kernel code.
> 
> A big thanks to Paolo, Asias, MST, and Stefan for all of their efforts
> on this series.
> 
> Thank you,
> 
> --nab

Looks sane but 3/3 is a hack, needs to be debugged and fixed properly.

> Nicholas Bellinger (1):
>   vhost: Only call vhost_verify_ring_mappings when adding vhost memory
> 
> Paolo Bonzini (2):
>   virtio-scsi: create VirtIOSCSICommon
>   vhost-scsi: new device supporting the tcm_vhost Linux kernel module
> 
>  configure                  |   15 +++-
>  hw/Makefile.objs           |    5 +-
>  hw/s390x/s390-virtio-bus.c |   35 +++++++
>  hw/vhost-scsi.c            |  241 ++++++++++++++++++++++++++++++++++++++++++++
>  hw/vhost-scsi.h            |   66 ++++++++++++
>  hw/vhost.c                 |    2 +-
>  hw/virtio-pci.c            |   62 +++++++++++
>  hw/virtio-scsi.c           |  190 +++++++++--------------------------
>  hw/virtio-scsi.h           |  132 +++++++++++++++++++++++-
>  include/qemu/osdep.h       |    4 +
>  10 files changed, 602 insertions(+), 150 deletions(-)
>  create mode 100644 hw/vhost-scsi.c
>  create mode 100644 hw/vhost-scsi.h
> 
> -- 
> 1.7.2.5