From mboxrd@z Thu Jan 1 00:00:00 1970 From: Yishai Hadas Subject: [PATCH rdma-core 2/6] mlx4: Introduce the direct verb mlx4dv_set_ctx_attr Date: Tue, 12 Sep 2017 15:53:04 +0300 Message-ID: <1505220788-23849-3-git-send-email-yishaih@mellanox.com> References: <1505220788-23849-1-git-send-email-yishaih@mellanox.com> Return-path: In-Reply-To: <1505220788-23849-1-git-send-email-yishaih-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org> Sender: linux-rdma-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org Cc: yishaih-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org, guyle-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org, majd-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org List-Id: linux-rdma@vger.kernel.org From: Guy Levi mlx4dv_set_ctx_attr lets the user application to set for a mlx4 context varied attributes which are exposed in mlx4dv.h. First attribute type which is introduced here is used to set the WQs range size. Signed-off-by: Guy Levi Reviewed-by: Yishai Hadas --- debian/ibverbs-providers.symbols | 1 + providers/mlx4/libmlx4.map | 1 + providers/mlx4/mlx4.c | 17 +++++++++++++++++ providers/mlx4/mlx4dv.h | 13 ++++++++++++- 4 files changed, 31 insertions(+), 1 deletion(-) diff --git a/debian/ibverbs-providers.symbols b/debian/ibverbs-providers.symbols index 34d1315..cb21dc5 100644 --- a/debian/ibverbs-providers.symbols +++ b/debian/ibverbs-providers.symbols @@ -3,6 +3,7 @@ libmlx4.so.1 ibverbs-providers #MINVER# mlx4dv_init_obj@MLX4_1.0 15 mlx4dv_query_device@MLX4_1.0 15 mlx4dv_create_qp@MLX4_1.0 15 + mlx4dv_set_context_attr@MLX4_1.0 15 libmlx5.so.1 ibverbs-providers #MINVER# MLX5_1.0@MLX5_1.0 13 MLX5_1.1@MLX5_1.1 14 diff --git a/providers/mlx4/libmlx4.map b/providers/mlx4/libmlx4.map index 6de4348..ac2c772 100644 --- a/providers/mlx4/libmlx4.map +++ b/providers/mlx4/libmlx4.map @@ -5,5 +5,6 @@ MLX4_1.0 { mlx4dv_init_obj; mlx4dv_query_device; mlx4dv_create_qp; + mlx4dv_set_context_attr; local: *; }; diff --git a/providers/mlx4/mlx4.c b/providers/mlx4/mlx4.c index 600daea..6158924 100644 --- a/providers/mlx4/mlx4.c +++ b/providers/mlx4/mlx4.c @@ -443,3 +443,20 @@ int mlx4dv_query_device(struct ibv_context *ctx_in, return 0; } + +int mlx4dv_set_context_attr(struct ibv_context *context, + enum mlx4dv_set_ctx_attr_type attr_type, + void *attr) +{ + struct mlx4_context *ctx = to_mctx(context); + + switch (attr_type) { + case MLX4DV_SET_CTX_ATTR_LOG_WQS_RANGE_SZ: + ctx->log_wqs_range_sz = *((uint8_t *)attr); + break; + default: + return ENOTSUP; + } + + return 0; +} diff --git a/providers/mlx4/mlx4dv.h b/providers/mlx4/mlx4dv.h index 5a47e65..453de55 100644 --- a/providers/mlx4/mlx4dv.h +++ b/providers/mlx4/mlx4dv.h @@ -498,5 +498,16 @@ void mlx4dv_set_data_seg(struct mlx4_wqe_data_seg *seg, int mlx4dv_query_device(struct ibv_context *ctx_in, struct mlx4dv_context *attrs_out); -#endif /* _MLX4DV_H_ */ +enum mlx4dv_set_ctx_attr_type { + /* Attribute type uint8_t */ + MLX4DV_SET_CTX_ATTR_LOG_WQS_RANGE_SZ = 0, +}; +/* + * Returns 0 on success, or the value of errno on failure + * (which indicates the failure reason). + */ +int mlx4dv_set_context_attr(struct ibv_context *context, + enum mlx4dv_set_ctx_attr_type attr_type, + void *attr); +#endif /* _MLX4DV_H_ */ -- 1.8.3.1 -- To unsubscribe from this list: send the line "unsubscribe linux-rdma" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html