diff options
author | Yishai Hadas <yishaih@mellanox.com> | 2018-06-17 13:00:04 +0300 |
---|---|---|
committer | Jason Gunthorpe <jgg@mellanox.com> | 2018-06-19 10:53:02 -0600 |
commit | aeae94579caf77406a8a235ea33fdb67abe9a57e (patch) | |
tree | 27e16ea1a1840d95801afd339355c759f17c7b2f /include | |
parent | 7c043e908a74ae0a935037cdd984d0cb89b2b970 (diff) | |
download | linux-aeae94579caf77406a8a235ea33fdb67abe9a57e.tar.bz2 |
IB/mlx5: Add DEVX support for memory registration
Add support to register a memory with the firmware via the DEVX
interface.
The driver translates a given user address to ib_umem then it will
register the physical addresses with the firmware and get a unique id
for this registration to be used for this virtual address.
Signed-off-by: Yishai Hadas <yishaih@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Diffstat (limited to 'include')
-rw-r--r-- | include/linux/mlx5/mlx5_ifc.h | 1 | ||||
-rw-r--r-- | include/uapi/rdma/mlx5_user_ioctl_cmds.h | 18 |
2 files changed, 19 insertions, 0 deletions
diff --git a/include/linux/mlx5/mlx5_ifc.h b/include/linux/mlx5/mlx5_ifc.h index ac24ed87c67e..00b539303f5d 100644 --- a/include/linux/mlx5/mlx5_ifc.h +++ b/include/linux/mlx5/mlx5_ifc.h @@ -82,6 +82,7 @@ enum { enum { MLX5_OBJ_TYPE_UCTX = 0x0004, + MLX5_OBJ_TYPE_UMEM = 0x0005, }; enum { diff --git a/include/uapi/rdma/mlx5_user_ioctl_cmds.h b/include/uapi/rdma/mlx5_user_ioctl_cmds.h index 1252695cd94b..dbc549a7bf50 100644 --- a/include/uapi/rdma/mlx5_user_ioctl_cmds.h +++ b/include/uapi/rdma/mlx5_user_ioctl_cmds.h @@ -89,9 +89,27 @@ enum mlx5_ib_devx_obj_methods { MLX5_IB_METHOD_DEVX_OBJ_QUERY, }; +enum mlx5_ib_devx_umem_reg_attrs { + MLX5_IB_ATTR_DEVX_UMEM_REG_HANDLE = (1U << UVERBS_ID_NS_SHIFT), + MLX5_IB_ATTR_DEVX_UMEM_REG_ADDR, + MLX5_IB_ATTR_DEVX_UMEM_REG_LEN, + MLX5_IB_ATTR_DEVX_UMEM_REG_ACCESS, + MLX5_IB_ATTR_DEVX_UMEM_REG_OUT_ID, +}; + +enum mlx5_ib_devx_umem_dereg_attrs { + MLX5_IB_ATTR_DEVX_UMEM_DEREG_HANDLE = (1U << UVERBS_ID_NS_SHIFT), +}; + +enum mlx5_ib_devx_umem_methods { + MLX5_IB_METHOD_DEVX_UMEM_REG = (1U << UVERBS_ID_NS_SHIFT), + MLX5_IB_METHOD_DEVX_UMEM_DEREG, +}; + enum mlx5_ib_devx_objects { MLX5_IB_OBJECT_DEVX = (1U << UVERBS_ID_NS_SHIFT), MLX5_IB_OBJECT_DEVX_OBJ, + MLX5_IB_OBJECT_DEVX_UMEM, }; #endif |