On Thu, Aug 31, 2017 at 11:50:14AM +0200, Maxime Coquelin wrote: > This patch introduces vhost_iova_to_vva() function to translate > guest's IO virtual addresses to backend's virtual addresses. > > When IOMMU is enabled, the IOTLB cache is queried to get the > translation. If missing from the IOTLB cache, an IOTLB_MISS request > is sent to Qemu, and IOTLB cache is queried again on IOTLB event > notification. > > When IOMMU is disabled, the passed address is a guest's physical > address, so the legacy rte_vhost_gpa_to_vva() API is used. > > Signed-off-by: Maxime Coquelin <maxime.coque...@redhat.com> > --- > lib/librte_vhost/vhost.c | 27 +++++++++++++++++++++++++++ > lib/librte_vhost/vhost.h | 3 +++ > 2 files changed, 30 insertions(+) > > diff --git a/lib/librte_vhost/vhost.c b/lib/librte_vhost/vhost.c > index bae98b02d..0e8c0386a 100644 > --- a/lib/librte_vhost/vhost.c > +++ b/lib/librte_vhost/vhost.c > @@ -48,9 +48,11 @@ > #include <rte_malloc.h> > #include <rte_rwlock.h> > #include <rte_vhost.h> > +#include <rte_rwlock.h>
This header isn't needed. Best regards, Tiwei Bie
