> -----Original Message-----
> From: Bie, Tiwei
> Sent: Wednesday, July 10, 2019 3:26 PM
> To: Yu, Jin <jin...@intel.com>
> Cc: dev@dpdk.org; Liu, Changpeng <changpeng....@intel.com>;
> maxime.coque...@redhat.com; Wang, Zhihong <zhihong.w...@intel.com>
> Subject: Re: [PATCH v2 2/2] vhost: Add vhost-user-blk example which
> support inflight
>
> On Wed, Jul 10, 2019 at 06:43:56PM +0800, JinYu wrote:
> > A vhost-user-blk example that support inflight feature. It uses the
> > new APIs that introduced in the first patch, so It can show how there
> > APIs work to support inflight feature.
> >
> > Signed-off-by: JinYu <jin...@intel.com>
> > ---
> > V1 - add the case.
> > ---
> > examples/vhost_blk/Makefile | 67 +++
> > examples/vhost_blk/blk.c | 118 ++++++
> > examples/vhost_blk/blk_spec.h | 95 +++++
> > examples/vhost_blk/meson.build | 20 +
> > examples/vhost_blk/vhost_blk.c | 589 ++++++++++++++++++++++++++
> > examples/vhost_blk/vhost_blk.h | 96 +++++
> > examples/vhost_blk/vhost_blk_compat.c | 193 +++++++++
> > 7 files changed, 1178 insertions(+)
> > create mode 100644 examples/vhost_blk/Makefile create mode 100644
> > examples/vhost_blk/blk.c create mode 100644
> > examples/vhost_blk/blk_spec.h create mode 100644
> > examples/vhost_blk/meson.build create mode 100644
> > examples/vhost_blk/vhost_blk.c create mode 100644
> > examples/vhost_blk/vhost_blk.h create mode 100644
> > examples/vhost_blk/vhost_blk_compat.c
> >
> [...]
>
> I don't know much about SCSI yet. Could you provide some details about why
> vhost-SCSI doesn't work with this inflight feature?
We need the Qemu and vhost backend cooperate to support the inflight feature.
So if we want to make it works, we need 2 patches, one is for Qemu, the other
is for backend.
Baidu has already submitted an vhost-user-blk patch to Qemu which is for this
feature, that's why
the vhost-user-blk example can support this feature.
>
> Thanks,
> Tiwei
Thanks,
Jin
