From: Konstantin Taranov <kotaranov@xxxxxxxxxxxxx>
Allow the HW to register DMA-mapped memory for kernel-level PDs.
Signed-off-by: Konstantin Taranov <kotaranov@xxxxxxxxxxxxx>
---
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 b31dcff32699..820af42d1fe1 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 27684135bb4d..8d796a30ddde 100644
--- a/include/net/mana/gdma.h
+++ b/include/net/mana/gdma.h
@@ -762,6 +762,7 @@ 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
