> -----Original Message----- > From: Bie, Tiwei > Sent: Wednesday, September 25, 2019 10:26 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 v7 00/10] vhost: support inflight share memory protocol > feature > > > > [PATCH v7 00/10] vhost: support inflight share memory protocol feature > > This should be v8. Please increase the version number when sending a new > series.
I thought it's a small fix. I will fix it. Thanks. > > Thanks, > Tiwei > > On Fri, Sep 20, 2019 at 08:00:52PM +0800, Jin Yu wrote: > > This patches introduces two new messages VHOST_USER_GET_INFLIGHT_FD > > and VHOST_USER_SET_INFLIGHT_FD to support transferring a shared buffer > > between qemu and backend. > > Now It can both support split and packed ring. The example code show > > how these API work. The test has passed. > > > > How to test the example: > > 1, Qemu need two patches. > > https://patchwork.kernel.org/patch/10766813/ > > https://patchwork.kernel.org/patch/10861411/(QEMU merged) it also > > needs some manual modifications: > > we should confirm that before we send get inflight we have already > > sent the set features but it seems Qemu didn't do like this. So we > > manually revise this, we can add below code in vhost_dev_get_inflight > > int r; > > > > r = vhost_dev_set_features(dev, dev->log_enabled); > > if (r < 0) { > > return -errno; > > } > > before get_inflight_fd. > > 2, Guest OS version >= 5.0 > > 3, run the example > > 4, run the qemu with vhost-user-blk-pci. > > eg: > > -chardev socket,id=spdk_vhost_blk0,reconnect=1,path=xxxx\ > > -device > > vhost-user-blk-pci,ring_packed=on,chardev=spdk_vhost_blk0,num-queues=1 > > \ > > 5, run fio in the guest > > 6, kill the example and run again. > > 7, the fio in the guest should continue run without errors. > > > > Jin Yu (10): > > vhost: add the inflight description > > vhost: add packed ring > > vhost: add the inflight structure > > vhost: add two new messages to support a shared buffer > > vhost: checkout the resubmit inflight information > > vhost: add the APIs to operate inflight ring > > vhost: add APIs for user getting inflight ring > > vhost: add vring functions packed ring support > > vhost: add an API for judging vq format > > vhost: add vhost-user-blk example which support inflight > > > > examples/vhost_blk/Makefile | 67 ++ > > examples/vhost_blk/blk.c | 125 +++ > > examples/vhost_blk/blk_spec.h | 95 ++ > > examples/vhost_blk/meson.build | 20 + > > examples/vhost_blk/vhost_blk.c | 1313 ++++++++++++++++++++++++ > > examples/vhost_blk/vhost_blk.h | 116 +++ > > examples/vhost_blk/vhost_blk_compat.c | 195 ++++ > > lib/librte_vhost/rte_vhost.h | 250 ++++- > > lib/librte_vhost/rte_vhost_version.map | 9 + > > lib/librte_vhost/vhost.c | 416 +++++++- > > lib/librte_vhost/vhost.h | 16 + > > lib/librte_vhost/vhost_user.c | 470 ++++++++- > > lib/librte_vhost/vhost_user.h | 12 +- > > 13 files changed, 3091 insertions(+), 13 deletions(-) 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 > > > > -- > > 2.17.2 > >
