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IB/mlx5: Enable QP creation with a given blue flame index

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This patch enables QP creation with a given BF index, this allows the
user space driver to share same BF between few QPs or alternatively have
a dedicated BF per QP.

Signed-off-by: Yishai Hadas <yishaih@mellanox.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
This commit is contained in:
Yishai Hadas
2017-12-24 16:31:36 +02:00
committed by Jason Gunthorpe
parent 4ed131d0bb
commit 1ee47ab3e8
3 changed files with 43 additions and 12 deletions
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3
include/uapi/rdma/mlx5-abi.h
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@@ -41,6 +41,7 @@ enum {
MLX5_QP_FLAG_SIGNATURE = 1 << 0,
MLX5_QP_FLAG_SCATTER_CQE = 1 << 1,
MLX5_QP_FLAG_TUNNEL_OFFLOADS = 1 << 2,
MLX5_QP_FLAG_BFREG_INDEX = 1 << 3,
};
enum {
@@ -282,7 +283,7 @@ struct mlx5_ib_create_qp {
__u32 rq_wqe_shift;
__u32 flags;
__u32 uidx;
__u32 reserved0;
__u32 bfreg_index;
__u64 sq_buf_addr;
};