Commit 3bc489e8 authored by Jianxin Xiong's avatar Jianxin Xiong Committed by Jason Gunthorpe
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RDMA/core: Add device method for registering dma-buf based memory region 

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.

Link: https://lore.kernel.org/r/1608067636-98073-3-git-send-email-jianxin.xiong@intel.com


Signed-off-by: default avatarJianxin Xiong <jianxin.xiong@intel.com>
Reviewed-by: default avatarSean Hefty <sean.hefty@intel.com>
Acked-by: default avatarMichael J. Ruhl <michael.j.ruhl@intel.com>
Acked-by: default avatarChristian Koenig <christian.koenig@amd.com>
Acked-by: default avatarDaniel Vetter <daniel.vetter@ffwll.ch>
Reviewed-by: default avatarLeon Romanovsky <leonro@nvidia.com>
Signed-off-by: default avatarJason Gunthorpe <jgg@nvidia.com>
parent 368c0159

drivers/infiniband/core/device.c

+1 −0
Original line number Diff line number Diff line
@@ -2681,6 +2681,7 @@ 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);

include/rdma/ib_verbs.h

+5 −1
Original line number Diff line number Diff line
@@ -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.
@@ -2434,6 +2434,10 @@ 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);

	struct ib_mr *(*rereg_user_mr)(struct ib_mr *mr, int flags, u64 start,

				       u64 length, u64 virt_addr,

				       int mr_access_flags, struct ib_pd *pd,