Dma-buf based memory region requires one extra parameter and is processed
quite differently. Adding a separate method allows clean separation from
regular memory regions.
Signed-off-by: Jianxin Xiong <jianxin.xiong@xxxxxxxxx>
Reviewed-by: Sean Hefty <sean.hefty@xxxxxxxxx>
Acked-by: Michael J. Ruhl <michael.j.ruhl@xxxxxxxxx>
Acked-by: Christian Koenig <christian.koenig@xxxxxxx>
Acked-by: Daniel Vetter <daniel.vetter@xxxxxxxx>
---
drivers/infiniband/core/device.c | 1 +
include/rdma/ib_verbs.h | 6 +++++-
2 files changed, 6 insertions(+), 1 deletion(-)
diff --git a/drivers/infiniband/core/device.c b/drivers/infiniband/core/device.c
index 3ab1ede..23f7440 100644
--- a/drivers/infiniband/core/device.c
+++ b/drivers/infiniband/core/device.c
@@ -2677,6 +2677,7 @@ void ib_set_device_ops(struct ib_device *dev, const struct ib_device_ops *ops)
SET_DEVICE_OP(dev_ops, read_counters);
SET_DEVICE_OP(dev_ops, reg_dm_mr);
SET_DEVICE_OP(dev_ops, reg_user_mr);
+ SET_DEVICE_OP(dev_ops, reg_user_mr_dmabuf);
SET_DEVICE_OP(dev_ops, req_ncomp_notif);
SET_DEVICE_OP(dev_ops, req_notify_cq);
SET_DEVICE_OP(dev_ops, rereg_user_mr);
diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h
index 7bee8ab..fa3882b 100644
--- a/include/rdma/ib_verbs.h
+++ b/include/rdma/ib_verbs.h
@@ -2,7 +2,7 @@
/*
* Copyright (c) 2004 Mellanox Technologies Ltd. All rights reserved.
* Copyright (c) 2004 Infinicon Corporation. All rights reserved.
- * Copyright (c) 2004 Intel Corporation. All rights reserved.
+ * Copyright (c) 2004, 2020 Intel Corporation. All rights reserved.
* Copyright (c) 2004 Topspin Corporation. All rights reserved.
* Copyright (c) 2004 Voltaire Corporation. All rights reserved.
* Copyright (c) 2005 Sun Microsystems, Inc. All rights reserved.
@@ -2433,6 +2433,10 @@ struct ib_device_ops {
struct ib_mr *(*reg_user_mr)(struct ib_pd *pd, u64 start, u64 length,
u64 virt_addr, int mr_access_flags,
struct ib_udata *udata);
+ struct ib_mr *(*reg_user_mr_dmabuf)(struct ib_pd *pd, u64 offset,
+ u64 length, u64 virt_addr, int fd,
+ int mr_access_flags,
+ struct ib_udata *udata);
int (*rereg_user_mr)(struct ib_mr *mr, int flags, u64 start, u64 length,
u64 virt_addr, int mr_access_flags,
struct ib_pd *pd, struct ib_udata *udata);
--
1.8.3.1
