From patchwork Wed Jun 2 15:46:18 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Devesh Sharma X-Patchwork-Id: 12295185 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, URIBL_BLOCKED,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 D6026C4708F for ; Wed, 2 Jun 2021 15:46:36 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id B1AE4610A1 for ; Wed, 2 Jun 2021 15:46:36 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231837AbhFBPsS (ORCPT ); Wed, 2 Jun 2021 11:48:18 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56568 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231770AbhFBPsS (ORCPT ); Wed, 2 Jun 2021 11:48:18 -0400 Received: from mail-pf1-x434.google.com (mail-pf1-x434.google.com [IPv6:2607:f8b0:4864:20::434]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 7D996C061574 for ; Wed, 2 Jun 2021 08:46:35 -0700 (PDT) Received: by mail-pf1-x434.google.com with SMTP id t28so2485297pfg.10 for ; Wed, 02 Jun 2021 08:46:35 -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=j0FJxOFYLJLVRqClp4JQ6sPTgxnrGD6HhrCiq72Lrwo=; b=WADkFldzO/ZaMNMulsgSlCYXDArm1fRoyFPU78wisXwCqDSaDk8NlG0VhYjS89lLI1 eq0jV5o5CEgcMNEYGf/zy4HZkvKqWZ5DFToOCUoGgdmRhP1QBE0RHIodLnnGHBjQoRjG krViKKA1Pmmx/mhRVek5pC3xTASgLCnEXuuU8= 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=j0FJxOFYLJLVRqClp4JQ6sPTgxnrGD6HhrCiq72Lrwo=; b=jTECw1PSDnNz9CXGxeGKGNCihf5tBHzuuMJeaavA1JLVyc/6wfEA4a4EhnaUDjWzCi PQJKjELuUg7xeW7IJ+VM40GeVXHwCIO6F9Z3NDMe/5ZIAgZeGa87phSYO2oCmoTilyaI KTC2fnIJ/80ixc420SuIPZtoYhWVxjtgXYiI6fckR/rY41x7Xc6bYBG/sG9fXz4kyf2r R393bEgTH/GPiTlmdKxJL2GbJ22xUuMtlX4KSxzIz4pSm8SafwvI9r3rzTqgeTaoE0h2 EnMUjk5DpSsb+fweXNi4ul7r1XAdFiFg8uVsUcRZG7OFr3kldy4qqpe9dFaqPotdXtRL sB+g== X-Gm-Message-State: AOAM532JkTzYeUv2yiVenGmv5VmCwMgSMcMuqBco+DJcRdVntkjCAHe9 UmSsl4+IgrtQxWMVnRwzprTKuRTUtqoLm3eB08i3f4/nSnW60v6ds8+KMb5dO88N/wfpUqx3k28 Lx4BP04gCtbgw4mTI4Osg2HdmRE2THg6Q4to9/0dORkyyb63Ms0od59AHwohhOqHfWNcQ/Al92c tE4Zyhkw== X-Google-Smtp-Source: ABdhPJytkJn6HCK/+IDWAHuHMtQcZtNOdsj5CV38xzflK/5qMhDrHvo0VhfguQ+7Xbj4YOJXNEWtJA== X-Received: by 2002:a63:7204:: with SMTP id n4mr34979937pgc.78.1622648794565; Wed, 02 Jun 2021 08:46:34 -0700 (PDT) Received: from dev01.dhcp.broadcom.net ([192.19.234.250]) by smtp.gmail.com with ESMTPSA id k7sm30204pjj.46.2021.06.02.08.46.33 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 02 Jun 2021 08:46:34 -0700 (PDT) From: Devesh Sharma To: linux-rdma@vger.kernel.org Cc: Devesh Sharma Subject: [PATCH V5 for-next 3/3] RDMA/bnxt_re: update ABI to pass wqe-mode to user space Date: Wed, 2 Jun 2021 21:16:18 +0530 Message-Id: <20210602154618.973816-4-devesh.sharma@broadcom.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210602154618.973816-1-devesh.sharma@broadcom.com> References: <20210602154618.973816-1-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 */ }; /*