From patchwork Wed May 26 15:36:29 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Devesh Sharma X-Patchwork-Id: 12282161 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 10AE9C47082 for ; Wed, 26 May 2021 15:36:50 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id E81BB613D2 for ; Wed, 26 May 2021 15:36:49 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234282AbhEZPiU (ORCPT ); Wed, 26 May 2021 11:38:20 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49010 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233675AbhEZPiU (ORCPT ); Wed, 26 May 2021 11:38:20 -0400 Received: from mail-pj1-x1035.google.com (mail-pj1-x1035.google.com [IPv6:2607:f8b0:4864:20::1035]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 98928C061574 for ; Wed, 26 May 2021 08:36:48 -0700 (PDT) Received: by mail-pj1-x1035.google.com with SMTP id mp9-20020a17090b1909b029015fd1e3ad5aso538211pjb.3 for ; Wed, 26 May 2021 08:36:48 -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=RHLX+iPMXbs+cYCj3WSL3X91LRmnFnRPQ7jh4boRBro=; b=WUnHUfTDzw6wWilm6HMgSVHq3Uerx5f56MDytGvYpFwxNmtbb1PsfM5O1P5utrJgLl FvmQeh8brIWKexbvYKRrFj9RFXmdTqWtMn9SAbkpZPU+1LVXTInvvh1w530ZZNnBsDei x0WM1nh64K7D5llhuE5TFXqQhBpN1F9S0fQn0= 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=RHLX+iPMXbs+cYCj3WSL3X91LRmnFnRPQ7jh4boRBro=; b=T3wB0du/Gy5FFqoNLLh/fOO8OKJmM/oGEzq7CeElXTy3GJ6p81J+j/S6uDWiAY0yoM QCQ4ehQDQZMuHjVEHF/bBbQ+5XCR89kG3HZBT219uQ2LvaJfv9xN0MvYvVxIQPZcKZu/ GedNsIUc61lITz1o2WKL0hb5p1HzP4s8zq1Z8C84blRxj3sLZoYSDfuyPacs6N7o4xMP zAnIOGiOZzsvSIu90CUsskSNsX6dX7wCVW29/1MOeESgludQ5T34+z1dB1rLvtra+EVn ufyBO9AzrtsaMtaTe3RizNrGNSdOQDodwuRd6s4B2mKn7cJjmKpCT2wHIHe7gdMd4uaY zqaQ== X-Gm-Message-State: AOAM533tNJbZvjQEO69MRdLp82KzWOpuyTVRuYV7yTYuu6QR4sEDU74u OMRk5jdpHyKFvKqscfgkTV9MHHOf12khUxEG/JwrQWUo5sX6NkKFpAaEjrSyP5JoqsrmofGk4lx 06NonhMEOwPJjN+B1nFx9BwyWibKngq5vhHW/erKeZVfg6+VbdRbXAVzUqQewv+1jxSavC8F/ox +8pRK2GzLZ X-Google-Smtp-Source: ABdhPJz86lNrtRDn/LE+YWvHCwc1Dw5RXyDaVP/zNRgZA+WnAU4lK+yjxH2PFg1I42yhYmn+KbMhaA== X-Received: by 2002:a17:90a:cc06:: with SMTP id b6mr4592424pju.19.1622043407312; Wed, 26 May 2021 08:36:47 -0700 (PDT) Received: from dev01.dhcp.broadcom.net ([192.19.234.250]) by smtp.gmail.com with ESMTPSA id 125sm15887052pfg.52.2021.05.26.08.36.45 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 26 May 2021 08:36:46 -0700 (PDT) From: Devesh Sharma To: linux-rdma@vger.kernel.org Cc: Devesh Sharma Subject: [PATCH for-next V3 3/3] RDMA/bnxt_re: update ABI to pass wqe-mode to user space Date: Wed, 26 May 2021 21:06:29 +0530 Message-Id: <20210526153629.872796-4-devesh.sharma@broadcom.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210526153629.872796-1-devesh.sharma@broadcom.com> References: <20210526153629.872796-1-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 */ }; /*