From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 252A08837; Mon, 28 Oct 2024 06:45:16 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1730097916; cv=none; b=eX7SSBGXnIWujiRRmNRsHyYX9EGeR81dDUS5kmqAvX07Gp6+OCH1TqwftXsDrSFs+HalYUmysE54iTzq5hZsawnLsnOV5E7gN6C6S38nHclVyOKv11kS+PC+ZxCFDcwec8jzAdQHvVV3VRlUKlLdGFpLHOD2qWanqRXTKTGsTk4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1730097916; c=relaxed/simple; bh=Lf/pva2e3SehLq6MTANTeS8ZZJZf/Q0i9/rixAV/cgI=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=IQxCXWSuKEC/YG4PjTvp7e/OEpZtBkphVEfwWVQUNiiUUUYjLFokuggDNR0tvW2ErtV2uKlFWgUqiugAddgRsJwcPdnADQPrLSforG+xSqCxB/3763Zkc1WC8PBzgeM+aKwxxshsbbPczuZILPKh61lT6ND8OroF8hntESfl394= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=WmFQ6XBd; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="WmFQ6XBd" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 9723EC4CEC3; Mon, 28 Oct 2024 06:45:15 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1730097916; bh=Lf/pva2e3SehLq6MTANTeS8ZZJZf/Q0i9/rixAV/cgI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=WmFQ6XBdN7NzO6ipYrQfUTVHBaequx+1+DeTi18cxgh3MS6ZugPM1NJiE4+HIyZHi 4O87Y1Wo/ntojeAwUSqVOgMjIEwAvRYRZIwpee08AjWVfQEQjaQmjDFVn8+564BalX U7+HsvhvQLPkzlf14zzMGPPechzzGzOYoRxoJtfI= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Selvin Xavier , Leon Romanovsky Subject: [PATCH 6.6 204/208] RDMA/bnxt_re: Fix the offset for GenP7 adapters for user applications Date: Mon, 28 Oct 2024 07:26:24 +0100 Message-ID: <20241028062311.669136451@linuxfoundation.org> X-Mailer: git-send-email 2.47.0 In-Reply-To: <20241028062306.649733554@linuxfoundation.org> References: <20241028062306.649733554@linuxfoundation.org> User-Agent: quilt/0.67 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 6.6-stable review patch. If anyone has any objections, please let me know. ------------------ From: Selvin Xavier commit 9248f363d0791a548a9c7711365b8be4c70bd375 upstream. User Doorbell page indexes start at an offset for GenP7 adapters. Fix the offset that will be used for user doorbell page indexes. Fixes: a62d68581441 ("RDMA/bnxt_re: Update the BAR offsets") Signed-off-by: Selvin Xavier Link: https://lore.kernel.org/r/1702987900-5363-1-git-send-email-selvin.xavier@broadcom.com Signed-off-by: Leon Romanovsky Signed-off-by: Greg Kroah-Hartman --- drivers/infiniband/hw/bnxt_re/main.c | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) --- a/drivers/infiniband/hw/bnxt_re/main.c +++ b/drivers/infiniband/hw/bnxt_re/main.c @@ -107,12 +107,14 @@ static void bnxt_re_set_db_offset(struct dev_info(rdev_to_dev(rdev), "Couldn't get DB bar size, Low latency framework is disabled\n"); /* set register offsets for both UC and WC */ - if (bnxt_qplib_is_chip_gen_p7(cctx)) + if (bnxt_qplib_is_chip_gen_p7(cctx)) { res->dpi_tbl.ucreg.offset = offset; - else + res->dpi_tbl.wcreg.offset = en_dev->l2_db_size; + } else { res->dpi_tbl.ucreg.offset = res->is_vf ? BNXT_QPLIB_DBR_VF_DB_OFFSET : BNXT_QPLIB_DBR_PF_DB_OFFSET; - res->dpi_tbl.wcreg.offset = res->dpi_tbl.ucreg.offset; + res->dpi_tbl.wcreg.offset = res->dpi_tbl.ucreg.offset; + } /* If WC mapping is disabled by L2 driver then en_dev->l2_db_size * is equal to the DB-Bar actual size. This indicates that L2