> -----Original Message----- > From: Maxime Coquelin <maxime.coque...@redhat.com> > Sent: Friday, May 26, 2023 12:26 AM > To: dev@dpdk.org; Xia, Chenbo <chenbo....@intel.com>; > david.march...@redhat.com; m...@redhat.com; f...@redhat.com; > jasow...@redhat.com; Liang, Cunming <cunming.li...@intel.com>; Xie, Yongji > <xieyon...@bytedance.com>; echau...@redhat.com; epere...@redhat.com; > amore...@redhat.com; l...@redhat.com > Cc: Maxime Coquelin <maxime.coque...@redhat.com> > Subject: [PATCH v3 25/28] vhost: add support for VDUSE IOTLB update event > > This patch adds support for VDUSE_UPDATE_IOTLB event > handling, which consists in invaliding IOTLB entries for > the range specified in the request. > > Signed-off-by: Maxime Coquelin <maxime.coque...@redhat.com> > --- > lib/vhost/vduse.c | 7 +++++++ > 1 file changed, 7 insertions(+) > > diff --git a/lib/vhost/vduse.c b/lib/vhost/vduse.c > index 3bf65d4b8b..110654ec68 100644 > --- a/lib/vhost/vduse.c > +++ b/lib/vhost/vduse.c > @@ -179,6 +179,13 @@ vduse_events_handler(int fd, void *arg, int *remove > __rte_unused) > dev->status = req.s.status; > resp.result = VDUSE_REQ_RESULT_OK; > break; > + case VDUSE_UPDATE_IOTLB: > + VHOST_LOG_CONFIG(dev->ifname, INFO, "\tIOVA range: %" PRIx64 " > - %" PRIx64 "\n", > + (uint64_t)req.iova.start, > (uint64_t)req.iova.last); > + vhost_user_iotlb_cache_remove(dev, req.iova.start, > + req.iova.last - req.iova.start + 1); > + resp.result = VDUSE_REQ_RESULT_OK; > + break; > default: > resp.result = VDUSE_REQ_RESULT_FAILED; > break; > -- > 2.40.1
Reviewed-by: Chenbo Xia <chenbo....@intel.com>
