From patchwork Thu Jun 3 10:30:57 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Devesh Sharma X-Patchwork-Id: 12296891 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=-19.1 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI,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 C5878C47099 for ; Thu, 3 Jun 2021 10:32:23 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id AEB6961207 for ; Thu, 3 Jun 2021 10:32:23 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229753AbhFCKeG (ORCPT ); Thu, 3 Jun 2021 06:34:06 -0400 Received: from mail-pl1-f172.google.com ([209.85.214.172]:34651 "EHLO mail-pl1-f172.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229963AbhFCKeG (ORCPT ); Thu, 3 Jun 2021 06:34:06 -0400 Received: by mail-pl1-f172.google.com with SMTP id u9so2572687plr.1 for ; Thu, 03 Jun 2021 03:32:21 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=broadcom.com; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version; bh=3LZufYk6TnW1IPf1D/o5TTxZowgq73oz5yDaujaX3EQ=; b=QaLY7e7hbUZmMYu+7EI8Gz4vO2zn24+vSdLVB4TpFMQAGBnxTNPfqm72JUcKpWaXry Fc5w7CdfYdGcYj6H1S5IXpG6IMMNoze0+PJxw85lSCjZzEJ/GtpjHaiSjWyd9VPFy2na gbqZNLMlXomr8Rgh7OJBp97PhbCNZXbAPhkfk= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version; bh=3LZufYk6TnW1IPf1D/o5TTxZowgq73oz5yDaujaX3EQ=; b=lBpBlXsVdNugntHwh08v4h2MLJpGlNNvoKwWx8Kp3SLJzZ9yWMd8AbAcm2ud3VjAUD zBw97VudBZFV9TdHbC7O7Ve+wgZJJLfUTAfWibuQmdNYBFvs+DTHiZGSyU7MwoZWVqMt 2TZyF2r4q9YOrbHtvSO+ZRZ4236GluNWLzBakSWUhktKNGSg7lDVDV69TcI4+aL8XWFb xNmygv6Sn65DSCi71XulaL+0d+F5WqUa6Ie8smf0ORnYxb+lmvsxqX8xSfm2hfm0p4t0 LRKF5NuEl5nnUKkYyq3gvaosxSxzUFnaJO7UrmWYLjZNiepIm9i7Gp2RYxtb0rpg6teC v38Q== X-Gm-Message-State: AOAM5329tTfL7t/aQfLI9ldkaJOxwZyeJlI0uaIEhzQLm5XRsJznNNlq H4lprn8hOJhCEEtzeAGTUYSrjkOtSvTeJvEJ1xooOaWVPtXYnuLbgGkwaN8nwlPHAv+cm3sUE9T t4sZ+0Vy2YpPypN6OuW8uubYqWe1anzagGbIgoa6YGNwYSkwcXikd7Z5iS8YPvVYoV2A1HZDUWL G3jDtX+A== X-Google-Smtp-Source: ABdhPJwm1EvEcLHmxXjIG/GIGfzXQ6RTABpu6ompIqk2G1418yTbsGvLmNFJoRTdRiB0tCEmFWo+kg== X-Received: by 2002:a17:902:e5d1:b029:107:810b:9f09 with SMTP id u17-20020a170902e5d1b0290107810b9f09mr13897604plf.83.1622716281003; Thu, 03 Jun 2021 03:31:21 -0700 (PDT) Received: from dev01.dhcp.broadcom.net ([192.19.234.250]) by smtp.gmail.com with ESMTPSA id ne4sm1298000pjb.26.2021.06.03.03.31.19 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 03 Jun 2021 03:31:20 -0700 (PDT) From: Devesh Sharma To: linux-rdma@vger.kernel.org Cc: Devesh Sharma Subject: [PATCH V6 for-next 3/3] RDMA/bnxt_re: update ABI to pass wqe-mode to user space Date: Thu, 3 Jun 2021 16:00:57 +0530 Message-Id: <20210603103057.980996-4-devesh.sharma@broadcom.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210603103057.980996-1-devesh.sharma@broadcom.com> References: <20210603103057.980996-1-devesh.sharma@broadcom.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-rdma@vger.kernel.org Changing ucontext ABI response structure to pass wqe_mode to user library. A flag in comp_mask has been set to indicate presence of wqe_mode. Signed-off-by: Devesh Sharma --- drivers/infiniband/hw/bnxt_re/ib_verbs.c | 3 +++ include/uapi/rdma/bnxt_re-abi.h | 5 ++++- 2 files changed, 7 insertions(+), 1 deletion(-) diff --git a/drivers/infiniband/hw/bnxt_re/ib_verbs.c b/drivers/infiniband/hw/bnxt_re/ib_verbs.c index a113d8d9e9ed..5955713234cb 100644 --- a/drivers/infiniband/hw/bnxt_re/ib_verbs.c +++ b/drivers/infiniband/hw/bnxt_re/ib_verbs.c @@ -3882,6 +3882,9 @@ int bnxt_re_alloc_ucontext(struct ib_ucontext *ctx, struct ib_udata *udata) resp.max_cqd = dev_attr->max_cq_wqes; resp.rsvd = 0; + resp.comp_mask |= BNXT_RE_UCNTX_CMASK_HAVE_MODE; + resp.mode = rdev->chip_ctx->modes.wqe_mode; + rc = ib_copy_to_udata(udata, &resp, min(udata->outlen, sizeof(resp))); if (rc) { ibdev_err(ibdev, "Failed to copy user context"); diff --git a/include/uapi/rdma/bnxt_re-abi.h b/include/uapi/rdma/bnxt_re-abi.h index dc52e3cf574c..52205ed2b898 100644 --- a/include/uapi/rdma/bnxt_re-abi.h +++ b/include/uapi/rdma/bnxt_re-abi.h @@ -49,7 +49,8 @@ #define BNXT_RE_CHIP_ID0_CHIP_MET_SFT 0x18 enum { - BNXT_RE_UCNTX_CMASK_HAVE_CCTX = 0x1ULL + BNXT_RE_UCNTX_CMASK_HAVE_CCTX = 0x1ULL, + BNXT_RE_UCNTX_CMASK_HAVE_MODE = 0x02ULL }; struct bnxt_re_uctx_resp { @@ -62,6 +63,8 @@ struct bnxt_re_uctx_resp { __aligned_u64 comp_mask; __u32 chip_id0; __u32 chip_id1; + __u32 mode; + __u32 rsvd1; /* padding */ }; /*