From patchwork Wed Sep 15 12:32:41 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Selvin Xavier X-Patchwork-Id: 12496183 X-Patchwork-Delegate: jgg@ziepe.ca 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 4FEF5C433EF for ; Wed, 15 Sep 2021 12:33:05 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 3C40B61108 for ; Wed, 15 Sep 2021 12:33:05 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237157AbhIOMeX (ORCPT ); Wed, 15 Sep 2021 08:34:23 -0400 Received: from relay.smtp-ext.broadcom.com ([192.19.166.228]:46880 "EHLO relay.smtp-ext.broadcom.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236893AbhIOMeW (ORCPT ); Wed, 15 Sep 2021 08:34:22 -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 6E39F2432C; Wed, 15 Sep 2021 05:33:02 -0700 (PDT) DKIM-Filter: OpenDKIM Filter v2.11.0 relay.smtp-ext.broadcom.com 6E39F2432C DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=broadcom.com; s=dkimrelay; t=1631709183; bh=UpRYOQ+5E/KwNO55Ax0lhlqlFjoDW4BxvBeb0Xgj4MI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=e7vvvaiwTxMef8+CQp3pEUee43blwuxrK8+RV5z7sFIXRdTd1I8RoaslVS31ndvwl 7BroelUyVCQEgJqqwYoM4BW5yMWovZUHmREcfJty/3WwJpllIl3nsgdyX7npb57XCx C/7S5QXa8zlIhnyt+Q2dl/cg9Ub3wo6NDzNTJ9co= From: Selvin Xavier To: dledford@redhat.com, jgg@nvidia.com Cc: linux-rdma@vger.kernel.org Subject: [PATCH for-next v2 10/12] RDMA/bnxt_re: Correct FRMR size calculation Date: Wed, 15 Sep 2021 05:32:41 -0700 Message-Id: <1631709163-2287-11-git-send-email-selvin.xavier@broadcom.com> X-Mailer: git-send-email 2.5.5 In-Reply-To: <1631709163-2287-1-git-send-email-selvin.xavier@broadcom.com> References: <1631709163-2287-1-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 Reviewed-by: Leon Romanovsky Signed-off-by: Selvin Xavier --- 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; }