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| author | Jason Gunthorpe <jgg@nvidia.com> | 2022-09-01 16:20:55 +0200 |
|---|---|---|
| committer | Jason Gunthorpe <jgg@nvidia.com> | 2022-09-27 15:15:24 +0200 |
| commit | 9af859c58d0f169ead0ed95204cdd891b0ee623a (patch) | |
| tree | fb474014d3d9f71b3faf5dfc4b9ebd0f5806b92a /include/uapi/rdma | |
| parent | RDMA/core: Add UVERBS_ATTR_RAW_FD (diff) | |
| download | linux-9af859c58d0f169ead0ed95204cdd891b0ee623a.tar.xz linux-9af859c58d0f169ead0ed95204cdd891b0ee623a.zip | |
RDMA/mlx5: Add support for dmabuf to devx umem
This is modeled after the similar EFA enablement in commit
66f4817b5712 ("RDMA/efa: Add support for dmabuf memory regions").
Like EFA there is no support for revocation so we simply call the
ib_umem_dmabuf_get_pinned() to obtain a umem instead of the normal
ib_umem_get(). Everything else stays the same.
Link: https://lore.kernel.org/r/3-v1-bd147097458e+ede-umem_dmabuf_jgg@nvidia.com
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Diffstat (limited to 'include/uapi/rdma')
| -rw-r--r-- | include/uapi/rdma/mlx5_user_ioctl_cmds.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/uapi/rdma/mlx5_user_ioctl_cmds.h b/include/uapi/rdma/mlx5_user_ioctl_cmds.h index 3bee490eb585..595edad03dfe 100644 --- a/include/uapi/rdma/mlx5_user_ioctl_cmds.h +++ b/include/uapi/rdma/mlx5_user_ioctl_cmds.h @@ -174,6 +174,7 @@ enum mlx5_ib_devx_umem_reg_attrs { MLX5_IB_ATTR_DEVX_UMEM_REG_ACCESS, MLX5_IB_ATTR_DEVX_UMEM_REG_OUT_ID, MLX5_IB_ATTR_DEVX_UMEM_REG_PGSZ_BITMAP, + MLX5_IB_ATTR_DEVX_UMEM_REG_DMABUF_FD, }; enum mlx5_ib_devx_umem_dereg_attrs { |