diff options
| author | Jianxin Xiong <jianxin.xiong@intel.com> | 2020-12-16 00:27:16 +0300 |
|---|---|---|
| committer | Jason Gunthorpe <jgg@nvidia.com> | 2021-01-20 23:49:25 +0300 |
| commit | 90da7dc8206a5999a23af719733f1cda26b5f815 (patch) | |
| tree | 22f7e7c82ef004e02549a018ad7306ae16ee1ea1 /drivers/infiniband/hw/mlx5/main.c | |
| parent | bfe0cc6eb2491aeae2bba02a305fcce13cd90624 (diff) | |
| download | linux-90da7dc8206a5999a23af719733f1cda26b5f815.tar.xz | |
RDMA/mlx5: Support dma-buf based userspace memory region
Implement the new driver method 'reg_user_mr_dmabuf'. Utilize the core
functions to import dma-buf based memory region and update the mappings.
Add code to handle dma-buf related page fault.
Link: https://lore.kernel.org/r/1608067636-98073-5-git-send-email-jianxin.xiong@intel.com
Signed-off-by: Jianxin Xiong <jianxin.xiong@intel.com>
Reviewed-by: Sean Hefty <sean.hefty@intel.com>
Acked-by: Michael J. Ruhl <michael.j.ruhl@intel.com>
Acked-by: Christian Koenig <christian.koenig@amd.com>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Diffstat (limited to 'drivers/infiniband/hw/mlx5/main.c')
| -rw-r--r-- | drivers/infiniband/hw/mlx5/main.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/mlx5/main.c b/drivers/infiniband/hw/mlx5/main.c index 4747cc16b391..ecbb8443b0ec 100644 --- a/drivers/infiniband/hw/mlx5/main.c +++ b/drivers/infiniband/hw/mlx5/main.c @@ -1,6 +1,7 @@ // SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB /* * Copyright (c) 2013-2020, Mellanox Technologies inc. All rights reserved. + * Copyright (c) 2020, Intel Corporation. All rights reserved. */ #include <linux/debugfs.h> @@ -4068,6 +4069,7 @@ static const struct ib_device_ops mlx5_ib_dev_ops = { .query_srq = mlx5_ib_query_srq, .query_ucontext = mlx5_ib_query_ucontext, .reg_user_mr = mlx5_ib_reg_user_mr, + .reg_user_mr_dmabuf = mlx5_ib_reg_user_mr_dmabuf, .req_notify_cq = mlx5_ib_arm_cq, .rereg_user_mr = mlx5_ib_rereg_user_mr, .resize_cq = mlx5_ib_resize_cq, |