> Subject: [PATCH rdma-next 01/13] RDMA/mana_ib: Allow registration of DMA- > mapped memory in PDs > > From: Konstantin Taranov <[email protected]> > > Allow the HW to register DMA-mapped memory for kernel-level PDs. > > Signed-off-by: Konstantin Taranov <[email protected]> > Reviewed-by: Shiraz Saleem <[email protected]>
Reviewed-by: Long Li <[email protected]> > --- > drivers/infiniband/hw/mana/main.c | 3 +++ > include/net/mana/gdma.h | 1 + > 2 files changed, 4 insertions(+) > > diff --git a/drivers/infiniband/hw/mana/main.c > b/drivers/infiniband/hw/mana/main.c > index 67c2d43..45b251b 100644 > --- a/drivers/infiniband/hw/mana/main.c > +++ b/drivers/infiniband/hw/mana/main.c > @@ -82,6 +82,9 @@ int mana_ib_alloc_pd(struct ib_pd *ibpd, struct ib_udata > *udata) > mana_gd_init_req_hdr(&req.hdr, GDMA_CREATE_PD, sizeof(req), > sizeof(resp)); > > + if (!udata) > + flags |= GDMA_PD_FLAG_ALLOW_GPA_MR; > + > req.flags = flags; > err = mana_gd_send_request(gc, sizeof(req), &req, > sizeof(resp), &resp); > diff --git a/include/net/mana/gdma.h b/include/net/mana/gdma.h index > 90f5665..03e1b25 100644 > --- a/include/net/mana/gdma.h > +++ b/include/net/mana/gdma.h > @@ -775,6 +775,7 @@ struct gdma_destroy_dma_region_req { > > enum gdma_pd_flags { > GDMA_PD_FLAG_INVALID = 0, > + GDMA_PD_FLAG_ALLOW_GPA_MR = 1, > }; > > struct gdma_create_pd_req { > -- > 2.43.0
