From patchwork Tue Jan 14 15:55:25 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Moshe Shemesh X-Patchwork-Id: 1222876 Return-Path: X-Original-To: patchwork-incoming-netdev@ozlabs.org Delivered-To: patchwork-incoming-netdev@ozlabs.org Authentication-Results: ozlabs.org; spf=none (no SPF record) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=netdev-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=fail (p=none dis=none) header.from=mellanox.com Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 47xw6d2Qwsz9sQp for ; Wed, 15 Jan 2020 02:56:09 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729012AbgANPzv (ORCPT ); Tue, 14 Jan 2020 10:55:51 -0500 Received: from mail-il-dmz.mellanox.com ([193.47.165.129]:41678 "EHLO mellanox.co.il" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726450AbgANPzv (ORCPT ); Tue, 14 Jan 2020 10:55:51 -0500 Received: from Internal Mail-Server by MTLPINE1 (envelope-from moshe@mellanox.com) with ESMTPS (AES256-SHA encrypted); 14 Jan 2020 17:55:45 +0200 Received: from dev-l-vrt-136.mtl.labs.mlnx (dev-l-vrt-136.mtl.labs.mlnx [10.134.136.1]) by labmailer.mlnx (8.13.8/8.13.8) with ESMTP id 00EFtiIe015197; Tue, 14 Jan 2020 17:55:44 +0200 Received: from dev-l-vrt-136.mtl.labs.mlnx (localhost [127.0.0.1]) by dev-l-vrt-136.mtl.labs.mlnx (8.14.7/8.14.7) with ESMTP id 00EFtitB019698; Tue, 14 Jan 2020 17:55:44 +0200 Received: (from moshe@localhost) by dev-l-vrt-136.mtl.labs.mlnx (8.14.7/8.14.7/Submit) id 00EFti44019696; Tue, 14 Jan 2020 17:55:44 +0200 From: Moshe Shemesh To: "David S. Miller" Cc: Alexander Duyck , netdev@vger.kernel.org, linux-kernel@vger.kernel.org, Moshe Shemesh Subject: [PATCH net-next RFC 0/3] Add mlx5 devices FW upgrade reset support Date: Tue, 14 Jan 2020 17:55:25 +0200 Message-Id: <1579017328-19643-1-git-send-email-moshe@mellanox.com> X-Mailer: git-send-email 1.8.4.3 Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org This patchset adds support for FW upgrade. On devlink reload, if a pending FW image is found, the driver will perform a FW upgrade reset flow to activate the pending FW image. Sending as RFC because the FW activation reset requires a pci link toggling. Although it works and we verify that the device is the only device on the pcie bridge before allowing such reset, as already done by other drivers [1], we would like to get some feedback on the last patch of this series. [1] function trigger_sbr() at drivers/infiniband/hw/hfi1/pcie.c Moshe Shemesh (3): net/mlx5: Add structure layout and defines for MFRL register net/mlx5: Add functions to set/query MFRL register net/mlx5: Add FW upgrade reset support drivers/net/ethernet/mellanox/mlx5/core/devlink.c | 81 +++++++++++++++++++++- drivers/net/ethernet/mellanox/mlx5/core/fw.c | 44 ++++++++++++ .../net/ethernet/mellanox/mlx5/core/mlx5_core.h | 2 + include/linux/mlx5/driver.h | 1 + include/linux/mlx5/mlx5_ifc.h | 17 +++++ 5 files changed, 144 insertions(+), 1 deletion(-)