From patchwork Sun Sep 12 18:15:24 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Selvin Xavier X-Patchwork-Id: 12487111 X-Patchwork-Delegate: leon@leon.nu 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 B5CBBC433EF for ; Sun, 12 Sep 2021 18:15:48 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 9F88761051 for ; Sun, 12 Sep 2021 18:15:48 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235173AbhILSRB (ORCPT ); Sun, 12 Sep 2021 14:17:01 -0400 Received: from saphodev.broadcom.com ([192.19.11.229]:34504 "EHLO relay.smtp-ext.broadcom.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235166AbhILSRB (ORCPT ); Sun, 12 Sep 2021 14:17:01 -0400 Received: from dhcp-10-192-206-197.iig.avagotech.net.net (dhcp-10-123-156-118.dhcp.broadcom.net [10.123.156.118]) by relay.smtp-ext.broadcom.com (Postfix) with ESMTP id 6BD457DBA; Sun, 12 Sep 2021 11:15:45 -0700 (PDT) DKIM-Filter: OpenDKIM Filter v2.11.0 relay.smtp-ext.broadcom.com 6BD457DBA DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=broadcom.com; s=dkimrelay; t=1631470546; bh=Gq8Z96QvVaIbEPrqWBB/pxFL/d0PWYtBVYChn17q4zs=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=KS3V+L/U4e5Xbm5Pxi8rFWVKbOSSR7JxSEEHW0BKlAmLSUH6Rhrfef/IbE2DFtqFW X2WFLW/JkerRu+VPENyWgfGHpVNRot4hAEJ/eo6Elg4WAw1aRKrUPIQZGtyBbfW+qU fDCEtme8wdgw0+DbBctE3XudAjQ1g8DnS8CA8vgA= From: Selvin Xavier To: dledford@redhat.com, jgg@nvidia.com Cc: linux-rdma@vger.kernel.org, Selvin Xavier Subject: [PATCH for-next 10/12] RDMA/bnxt_re: Correct FRMR size calculation Date: Sun, 12 Sep 2021 11:15:24 -0700 Message-Id: <1631470526-22228-11-git-send-email-selvin.xavier@broadcom.com> X-Mailer: git-send-email 2.5.5 In-Reply-To: <1631470526-22228-1-git-send-email-selvin.xavier@broadcom.com> References: <1631470526-22228-1-git-send-email-selvin.xavier@broadcom.com> Precedence: bulk List-ID: X-Mailing-List: linux-rdma@vger.kernel.org FRMR WQE requires to provide the log2 value of the PBL and page size. Use the standard ilog2 to calculate the log2 value Signed-off-by: Selvin Xavier Reviewed-by: Leon Romanovsky --- drivers/infiniband/hw/bnxt_re/ib_verbs.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/infiniband/hw/bnxt_re/ib_verbs.c b/drivers/infiniband/hw/bnxt_re/ib_verbs.c index c4d7a9e..1cbc7e1 100644 --- a/drivers/infiniband/hw/bnxt_re/ib_verbs.c +++ b/drivers/infiniband/hw/bnxt_re/ib_verbs.c @@ -2487,7 +2487,8 @@ static int bnxt_re_build_reg_wqe(const struct ib_reg_wr *wr, wqe->frmr.l_key = wr->key; wqe->frmr.length = wr->mr->length; - wqe->frmr.pbl_pg_sz_log = (wr->mr->page_size >> PAGE_SHIFT_4K) - 1; + wqe->frmr.pbl_pg_sz_log = ilog2(PAGE_SIZE >> PAGE_SHIFT_4K); + wqe->frmr.pg_sz_log = ilog2(wr->mr->page_size >> PAGE_SHIFT_4K); wqe->frmr.va = wr->mr->iova; return 0; }