From c906b86e9c44946fae505a5996b1f4c24a699fe6 Mon Sep 17 00:00:00 2001 From: Sergey Gorenko Date: Mon, 10 May 2021 13:23:33 +0300 Subject: [PATCH] RDMA/mlx5: Add SQD2RTS bit to the alloc ucontext response The new bit in the comp_mask is needed to mark that kernel supports SQD2RTS transition for the modify QP command. Link: https://lore.kernel.org/r/7ce705fedac1b2b8e3a2f4013e04244dc5946344.1620641808.git.leonro@nvidia.com Reviewed-by: Evgenii Kochetov Signed-off-by: Sergey Gorenko Signed-off-by: Leon Romanovsky Signed-off-by: Jason Gunthorpe --- drivers/infiniband/hw/mlx5/main.c | 4 ++++ include/uapi/rdma/mlx5-abi.h | 1 + 2 files changed, 5 insertions(+) diff --git a/drivers/infiniband/hw/mlx5/main.c b/drivers/infiniband/hw/mlx5/main.c index 6d1dd09..312aa73 100644 --- a/drivers/infiniband/hw/mlx5/main.c +++ b/drivers/infiniband/hw/mlx5/main.c @@ -1817,6 +1817,10 @@ static int set_ucontext_resp(struct ib_ucontext *uctx, resp->comp_mask |= MLX5_IB_ALLOC_UCONTEXT_RESP_MASK_ECE; resp->num_dyn_bfregs = bfregi->num_dyn_bfregs; + + if (MLX5_CAP_GEN(dev->mdev, drain_sigerr)) + resp->comp_mask |= MLX5_IB_ALLOC_UCONTEXT_RESP_MASK_SQD2RTS; + return 0; } diff --git a/include/uapi/rdma/mlx5-abi.h b/include/uapi/rdma/mlx5-abi.h index 27905a0..995faf8 100644 --- a/include/uapi/rdma/mlx5-abi.h +++ b/include/uapi/rdma/mlx5-abi.h @@ -101,6 +101,7 @@ enum mlx5_ib_alloc_ucontext_resp_mask { MLX5_IB_ALLOC_UCONTEXT_RESP_MASK_CORE_CLOCK_OFFSET = 1UL << 0, MLX5_IB_ALLOC_UCONTEXT_RESP_MASK_DUMP_FILL_MKEY = 1UL << 1, MLX5_IB_ALLOC_UCONTEXT_RESP_MASK_ECE = 1UL << 2, + MLX5_IB_ALLOC_UCONTEXT_RESP_MASK_SQD2RTS = 1UL << 3, }; enum mlx5_user_cmds_supp_uhw { -- 2.7.4