From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-10.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id E9A34C433E0 for ; Sat, 23 May 2020 13:23:16 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id BF8422072C for ; Sat, 23 May 2020 13:23:16 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1590240196; bh=vf9EEogZW22dAl00s6gxoiXE+NY6RK/Hk+djbeb+FdM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=eY/eiAtBad2wXSY3VZOf31NxW1kTe6BlMqDp58PPLpsc0m+gt//RZaNKg17nplQWm 5Yupd0FXH77G7lWCSbTpyOZMhBHRf/lZ6nDmvKp/5DnZgu61U9gQvLIveP7laVeFzg vwjyXuZQDv3oVudY7670k/3yfqoeM37TMe5BNyXA= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2387863AbgEWNXQ (ORCPT ); Sat, 23 May 2020 09:23:16 -0400 Received: from mail.kernel.org ([198.145.29.99]:56866 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2387763AbgEWNXQ (ORCPT ); Sat, 23 May 2020 09:23:16 -0400 Received: from localhost (unknown [213.57.247.131]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 0408B20727; Sat, 23 May 2020 13:23:14 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1590240195; bh=vf9EEogZW22dAl00s6gxoiXE+NY6RK/Hk+djbeb+FdM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=PKSukDs4UcKz2ZNrJIBK//pi/wmDF6CSTOcf26g3FBolWGPk+Rr56nxUlSZH6em26 HVOo6ZXxy38PJPEb3XOjQZbcwFzH7D4Vog6RfZHR9HwhP6Rn/YutKE8qW9V9fViNZe 0wv6UzE4adbuyfKvkNN1ExMfsFBFY4Bcd1HhMpQk= From: Leon Romanovsky To: Doug Ledford , Jason Gunthorpe Cc: Leon Romanovsky , linux-rdma@vger.kernel.org Subject: [PATCH rdma-next v1 7/9] RDMA/mlx5: Advertise ECE support Date: Sat, 23 May 2020 16:22:41 +0300 Message-Id: <20200523132243.817936-8-leon@kernel.org> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20200523132243.817936-1-leon@kernel.org> References: <20200523132243.817936-1-leon@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-rdma-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-rdma@vger.kernel.org From: Leon Romanovsky The ECE bits are configured through create_qp and modify_qp commands. While the create_qp() can be easily extended, it is not an easy task for the modify_qp(). The new bit in the comp_mask is needed to mark that kernel supports ECE and can receive data instead of "reserved" field in the struct mlx5_ib_modify_qp. Signed-off-by: Leon Romanovsky --- drivers/infiniband/hw/mlx5/main.c | 3 +++ include/uapi/rdma/mlx5-abi.h | 1 + 2 files changed, 4 insertions(+) diff --git a/drivers/infiniband/hw/mlx5/main.c b/drivers/infiniband/hw/mlx5/main.c index 6094ab2f4cd7..570c519ca530 100644 --- a/drivers/infiniband/hw/mlx5/main.c +++ b/drivers/infiniband/hw/mlx5/main.c @@ -1971,6 +1971,9 @@ static int mlx5_ib_alloc_ucontext(struct ib_ucontext *uctx, resp.response_length += sizeof(resp.dump_fill_mkey); } + if (MLX5_CAP_GEN(dev->mdev, ece_support)) + resp.comp_mask |= MLX5_IB_ALLOC_UCONTEXT_RESP_MASK_ECE; + err = ib_copy_to_udata(udata, &resp, resp.response_length); if (err) goto out_mdev; diff --git a/include/uapi/rdma/mlx5-abi.h b/include/uapi/rdma/mlx5-abi.h index bc9d9e3cb369..90ea1e5aa291 100644 --- a/include/uapi/rdma/mlx5-abi.h +++ b/include/uapi/rdma/mlx5-abi.h @@ -100,6 +100,7 @@ struct mlx5_ib_alloc_ucontext_req_v2 { 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, }; enum mlx5_user_cmds_supp_uhw { -- 2.26.2