From patchwork Sun Aug 4 10:00:47 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Leon Romanovsky X-Patchwork-Id: 1141700 X-Patchwork-Delegate: davem@davemloft.net Return-Path: X-Original-To: patchwork-incoming-netdev@ozlabs.org Delivered-To: patchwork-incoming-netdev@ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=netdev-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=pass (p=none dis=none) header.from=kernel.org Authentication-Results: ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=kernel.org header.i=@kernel.org header.b="v4blvUHH"; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 461by31TwKz9sMr for ; Sun, 4 Aug 2019 20:00:59 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726259AbfHDKA5 (ORCPT ); Sun, 4 Aug 2019 06:00:57 -0400 Received: from mail.kernel.org ([198.145.29.99]:56664 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725987AbfHDKA5 (ORCPT ); Sun, 4 Aug 2019 06:00:57 -0400 Received: from localhost (unknown [193.47.165.251]) (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 8FDE12086D; Sun, 4 Aug 2019 10:00:55 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1564912856; bh=wSob9UeSfITrkANzxhKX2TkJljgV5+yGRG2sdNOgVF4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=v4blvUHH0JdDCSta7iyn6YDcb/9T/V8PkOOmupCAoS4SN1xCamBNq4N5zIU7Y3ra2 xR12KsPHGFicJQ5doKn5sU4CJcJzy97HCZfIxqqTmBOq9iMRKXu2dpMYTDVBbi17mp xNSHiaQkHiuFX19JBS9zEjVb1vil1UgRffT0ALF4= From: Leon Romanovsky To: Doug Ledford , Jason Gunthorpe Cc: Leon Romanovsky , RDMA mailing list , Michael Guralnik , Moni Shoua , Saeed Mahameed , linux-netdev Subject: [PATCH rdma-next v1 2/3] IB/mlx5: Expose ODP for DC capabilities to user Date: Sun, 4 Aug 2019 13:00:47 +0300 Message-Id: <20190804100048.32671-3-leon@kernel.org> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20190804100048.32671-1-leon@kernel.org> References: <20190804100048.32671-1-leon@kernel.org> MIME-Version: 1.0 Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org From: Michael Guralnik Return ODP capabilities for DC to user in alloc_context. Signed-off-by: Michael Guralnik Reviewed-by: Moni Shoua Signed-off-by: Leon Romanovsky --- drivers/infiniband/hw/mlx5/main.c | 6 ++++++ include/uapi/rdma/mlx5-abi.h | 3 +++ 2 files changed, 9 insertions(+) diff --git a/drivers/infiniband/hw/mlx5/main.c b/drivers/infiniband/hw/mlx5/main.c index 4a3d700cd783..a53e0dc7c17f 100644 --- a/drivers/infiniband/hw/mlx5/main.c +++ b/drivers/infiniband/hw/mlx5/main.c @@ -1954,6 +1954,12 @@ static int mlx5_ib_alloc_ucontext(struct ib_ucontext *uctx, resp.response_length += sizeof(resp.dump_fill_mkey); } + if (field_avail(typeof(resp), dc_odp_caps, udata->outlen)) { + resp.dc_odp_caps = dev->dc_odp_caps; + resp.comp_mask |= MLX5_IB_ALLOC_UCONTEXT_RESP_MASK_DC_ODP_CAPS; + resp.response_length += sizeof(resp.dc_odp_caps); + } + 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 624f5b53eb1f..7cab806d7fa7 100644 --- a/include/uapi/rdma/mlx5-abi.h +++ b/include/uapi/rdma/mlx5-abi.h @@ -98,6 +98,7 @@ 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_DC_ODP_CAPS = 1UL << 2, }; enum mlx5_user_cmds_supp_uhw { @@ -147,6 +148,8 @@ struct mlx5_ib_alloc_ucontext_resp { __u32 num_uars_per_page; __u32 num_dyn_bfregs; __u32 dump_fill_mkey; + __u32 dc_odp_caps; + __u32 reserved; }; struct mlx5_ib_alloc_pd_resp {