From patchwork Mon Jan 16 13:05:54 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Leon Romanovsky X-Patchwork-Id: 13103032 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1AB55C46467 for ; Mon, 16 Jan 2023 13:07:11 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231517AbjAPNHI (ORCPT ); Mon, 16 Jan 2023 08:07:08 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56848 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231478AbjAPNGk (ORCPT ); Mon, 16 Jan 2023 08:06:40 -0500 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 8CEF146AD; Mon, 16 Jan 2023 05:06:31 -0800 (PST) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 298E360F8C; Mon, 16 Jan 2023 13:06:31 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id C5839C433EF; Mon, 16 Jan 2023 13:06:29 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1673874390; bh=IB+veTmklBKw7PiVo8v/NfpEJifNCfbu55nd+mTVPUg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Zq1PeBxWasNH9Dc8TC5hkRkJlGnfrUF4cWKlF4/fG9vW4QUdGsdaxsghZtSzGekgL Ql33dt1b+c8IiQ26vu0nGPhqhXCrfk9adXxFZXDxdtwDHR4x6iJ3SaSyZYBepeCwBZ Kc1h7HaqLwA7JpvpcHUpLHDiYeVw/LVwcm3Qkh0MIpAuak9cURPQnFRsQWsR/l+0Yk wUKGvViiPRzzYkrTDFpzf2TnxIG8excmNjlptAdTQM7ps0xm/RB3itb2zPmaoGw6tz ZlhHeHiLEOPWtUTi0h9Lawmhs2MdwmLgHHbEwdPoDN5CS39q3fayP03G9NKAQ6Vrgl DHhkfMNo2J7fQ== From: Leon Romanovsky To: Jason Gunthorpe Cc: Israel Rukshin , Bryan Tan , Christoph Hellwig , Eric Dumazet , Jakub Kicinski , Jens Axboe , Keith Busch , linux-kernel@vger.kernel.org, linux-nvme@lists.infradead.org, linux-rdma@vger.kernel.org, linux-trace-kernel@vger.kernel.org, Masami Hiramatsu , Max Gurtovoy , netdev@vger.kernel.org, Paolo Abeni , Saeed Mahameed , Sagi Grimberg , Selvin Xavier , Steven Rostedt , Vishnu Dasa , Yishai Hadas Subject: [PATCH rdma-next 07/13] RDMA/core: Add support for creating crypto enabled QPs Date: Mon, 16 Jan 2023 15:05:54 +0200 Message-Id: <7a772388d517a28052fa5f0b8ea507cb3fe471fe.1673873422.git.leon@kernel.org> X-Mailer: git-send-email 2.39.0 In-Reply-To: References: MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org From: Israel Rukshin Add a list of crypto MRs and introduce a crypto WR type to post on those QPs. Signed-off-by: Israel Rukshin Signed-off-by: Leon Romanovsky --- drivers/infiniband/core/verbs.c | 3 +++ include/rdma/ib_verbs.h | 12 +++++++++++- 2 files changed, 14 insertions(+), 1 deletion(-) diff --git a/drivers/infiniband/core/verbs.c b/drivers/infiniband/core/verbs.c index 61473fee4b54..01aefff6760e 100644 --- a/drivers/infiniband/core/verbs.c +++ b/drivers/infiniband/core/verbs.c @@ -1223,6 +1223,7 @@ static struct ib_qp *create_qp(struct ib_device *dev, struct ib_pd *pd, spin_lock_init(&qp->mr_lock); INIT_LIST_HEAD(&qp->rdma_mrs); INIT_LIST_HEAD(&qp->sig_mrs); + INIT_LIST_HEAD(&qp->crypto_mrs); qp->send_cq = attr->send_cq; qp->recv_cq = attr->recv_cq; @@ -1363,6 +1364,8 @@ struct ib_qp *ib_create_qp_kernel(struct ib_pd *pd, device->attrs.max_sge_rd); if (qp_init_attr->create_flags & IB_QP_CREATE_INTEGRITY_EN) qp->integrity_en = true; + if (qp_init_attr->create_flags & IB_QP_CREATE_CRYPTO_EN) + qp->crypto_en = true; return qp; diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h index 7507661c78d0..1770cd30c0f0 100644 --- a/include/rdma/ib_verbs.h +++ b/include/rdma/ib_verbs.h @@ -1175,6 +1175,8 @@ enum ib_qp_create_flags { IB_QP_CREATE_INTEGRITY_EN = 1ULL << 34, /* Create an accelerated UD QP */ IB_QP_CREATE_NETDEV_USE = 1ULL << 35, + /* The created QP can carry out cryptographic handover operations */ + IB_QP_CREATE_CRYPTO_EN = 1ULL << 36, }; /* @@ -1352,6 +1354,12 @@ enum ib_wr_opcode { /* These are kernel only and can not be issued by userspace */ IB_WR_REG_MR = 0x20, IB_WR_REG_MR_INTEGRITY, + /* + * It is used to assign crypto properties to a MKey. Use the MKey in + * any RDMA transaction (SEND/RECV/READ/WRITE) to encrypt/decrypt data + * on-the-fly. + */ + IB_WR_REG_MR_CRYPTO, /* reserve values for low level drivers' internal use. * These values will not be used at all in the ib core layer. @@ -1800,6 +1808,7 @@ struct ib_qp { int mrs_used; struct list_head rdma_mrs; struct list_head sig_mrs; + struct list_head crypto_mrs; struct ib_srq *srq; struct ib_xrcd *xrcd; /* XRC TGT QPs only */ struct list_head xrcd_list; @@ -1822,7 +1831,8 @@ struct ib_qp { struct ib_qp_security *qp_sec; u32 port; - bool integrity_en; + u8 integrity_en:1; + u8 crypto_en:1; /* * Implementation details of the RDMA core, don't use in drivers: */