[PATCH rdma-next 01/13] RDMA/mana_ib: Allow registration of DMA-mapped memory in PDs

[Konstantin Taranov]

From: Konstantin Taranov <kotara...@microsoft.com>

Allow the HW to register DMA-mapped memory for kernel-level PDs.

Signed-off-by: Konstantin Taranov <kotara...@microsoft.com>
Reviewed-by: Shiraz Saleem <shirazsal...@microsoft.com>
---
 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