From mboxrd@z Thu Jan 1 00:00:00 1970 From: Yishai Hadas Subject: [PATCH rdma-core 2/2] mlx5: Report enhanced multi packet send WQE capability Date: Mon, 11 Sep 2017 14:43:05 +0300 Message-ID: <1505130185-32658-3-git-send-email-yishaih@mellanox.com> References: <1505130185-32658-1-git-send-email-yishaih@mellanox.com> Return-path: In-Reply-To: <1505130185-32658-1-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, bodong-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org, majd-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org List-Id: linux-rdma@vger.kernel.org From: Bodong Wang Report if enhanced multi packet send WQE is supported through mlx5 direct verbs. Signed-off-by: Bodong Wang Reviewed-by: Yishai Hadas --- providers/mlx5/man/mlx5dv_query_device.3 | 1 + providers/mlx5/mlx5-abi.h | 1 + providers/mlx5/mlx5.c | 3 +++ providers/mlx5/mlx5.h | 1 + providers/mlx5/mlx5dv.h | 1 + providers/mlx5/verbs.c | 3 +++ 6 files changed, 10 insertions(+) diff --git a/providers/mlx5/man/mlx5dv_query_device.3 b/providers/mlx5/man/mlx5dv_query_device.3 index c2f8bf4..9238b4f 100644 --- a/providers/mlx5/man/mlx5dv_query_device.3 +++ b/providers/mlx5/man/mlx5dv_query_device.3 @@ -37,6 +37,7 @@ enum mlx5dv_context_flags { MLX5DV_CONTEXT_FLAGS_CQE_V1 = (1 << 0), MLX5DV_CONTEXT_FLAGS_MPW = (1 << 1), /* Obsoleted */ MLX5DV_CONTEXT_FLAGS_MPW_ALLOWED = (1 << 2), /* Multi packet WQE is allowed */ + MLX5DV_CONTEXT_FLAGS_ENHANCED_MPW = (1 << 3), /* Enhanced multi packet WQE is supported or not */ .in -8 }; .fi diff --git a/providers/mlx5/mlx5-abi.h b/providers/mlx5/mlx5-abi.h index c9d3ec2..a741801 100644 --- a/providers/mlx5/mlx5-abi.h +++ b/providers/mlx5/mlx5-abi.h @@ -276,6 +276,7 @@ struct mlx5_packet_pacing_caps { enum mlx5_mpw_caps { MLX5_MPW_RESERVED = 1 << 0, /* Obsoleted, don't use */ MLX5_ALLOW_MPW = 1 << 1, + MLX5_SUPPORT_EMPW = 1 << 2, }; struct mlx5_query_device_ex_resp { diff --git a/providers/mlx5/mlx5.c b/providers/mlx5/mlx5.c index 84a67e9..e7adf14 100644 --- a/providers/mlx5/mlx5.c +++ b/providers/mlx5/mlx5.c @@ -633,6 +633,9 @@ int mlx5dv_query_device(struct ibv_context *ctx_in, comp_mask_out |= MLX5DV_CONTEXT_MASK_CQE_COMPRESION; } + if (mctx->vendor_cap_flags & MLX5_VENDOR_CAP_FLAGS_ENHANCED_MPW) + attrs_out->flags |= MLX5DV_CONTEXT_FLAGS_ENHANCED_MPW; + attrs_out->comp_mask = comp_mask_out; return 0; diff --git a/providers/mlx5/mlx5.h b/providers/mlx5/mlx5.h index c8d9fe9..42ccb57 100644 --- a/providers/mlx5/mlx5.h +++ b/providers/mlx5/mlx5.h @@ -184,6 +184,7 @@ enum { enum mlx5_vendor_cap_flags { MLX5_VENDOR_CAP_FLAGS_MPW = 1 << 0, /* Obsoleted */ MLX5_VENDOR_CAP_FLAGS_MPW_ALLOWED = 1 << 1, + MLX5_VENDOR_CAP_FLAGS_ENHANCED_MPW = 1 << 2, }; enum { diff --git a/providers/mlx5/mlx5dv.h b/providers/mlx5/mlx5dv.h index cf49b63..c0d47c7 100644 --- a/providers/mlx5/mlx5dv.h +++ b/providers/mlx5/mlx5dv.h @@ -83,6 +83,7 @@ enum mlx5dv_context_flags { MLX5DV_CONTEXT_FLAGS_CQE_V1 = (1 << 0), MLX5DV_CONTEXT_FLAGS_MPW = (1 << 1), /* Obsoleted */ MLX5DV_CONTEXT_FLAGS_MPW_ALLOWED = (1 << 2), + MLX5DV_CONTEXT_FLAGS_ENHANCED_MPW = (1 << 3), }; enum mlx5dv_cq_init_attr_mask { diff --git a/providers/mlx5/verbs.c b/providers/mlx5/verbs.c index 0e8a9a3..6c5e29f 100644 --- a/providers/mlx5/verbs.c +++ b/providers/mlx5/verbs.c @@ -1968,6 +1968,9 @@ int mlx5_query_device_ex(struct ibv_context *context, if (resp.support_multi_pkt_send_wqe & MLX5_ALLOW_MPW) mctx->vendor_cap_flags |= MLX5_VENDOR_CAP_FLAGS_MPW_ALLOWED; + if (resp.support_multi_pkt_send_wqe & MLX5_SUPPORT_EMPW) + mctx->vendor_cap_flags |= MLX5_VENDOR_CAP_FLAGS_ENHANCED_MPW; + mctx->cqe_comp_caps = resp.cqe_comp_caps; major = (raw_fw_ver >> 32) & 0xffff; -- 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