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IB/mlx5: Allow scatter to CQE without global signaled WRs

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Requester scatter to CQE is restricted to QPs configured to signal
all WRs.

This patch adds ability to enable scatter to cqe (force enable)
in the requester without sig_all, for users who do not want all WRs
signaled but rather just the ones whose data found in the CQE.

Signed-off-by: Yonatan Cohen <yonatanc@mellanox.com>
Reviewed-by: Guy Levi <guyle@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
This commit is contained in:
Yonatan Cohen
2018-10-09 12:05:15 +03:00
committed by Doug Ledford
parent 2e43bb31b8
commit 6f4bc0ea68
2 changed files with 12 additions and 3 deletions
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include/uapi/rdma/mlx5-abi.h
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@@ -47,6 +47,7 @@ enum {
MLX5_QP_FLAG_TYPE_DCI = 1 << 5,
MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_UC = 1 << 6,
MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_MC = 1 << 7,
MLX5_QP_FLAG_ALLOW_SCATTER_CQE = 1 << 8,
};
enum {