> -----Original Message----- > From: Maxime Coquelin <[email protected]> > Sent: Friday, May 26, 2023 12:26 AM > To: [email protected]; Xia, Chenbo <[email protected]>; > [email protected]; [email protected]; [email protected]; > [email protected]; Liang, Cunming <[email protected]>; Xie, Yongji > <[email protected]>; [email protected]; [email protected]; > [email protected]; [email protected] > Cc: Maxime Coquelin <[email protected]> > 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 <[email protected]> > --- > 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 <[email protected]>
