From patchwork Mon Dec 23 18:44:39 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yuval Mintz X-Patchwork-Id: 304830 X-Patchwork-Delegate: davem@davemloft.net Return-Path: X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@ozlabs.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 6CEE22C00A8 for ; Tue, 24 Dec 2013 05:44:56 +1100 (EST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757769Ab3LWSov (ORCPT ); Mon, 23 Dec 2013 13:44:51 -0500 Received: from mail-gw3-out.broadcom.com ([216.31.210.64]:49285 "EHLO mail-gw3-out.broadcom.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757673Ab3LWSot (ORCPT ); Mon, 23 Dec 2013 13:44:49 -0500 X-IronPort-AV: E=Sophos;i="4.95,538,1384329600"; d="scan'208";a="4884839" Received: from irvexchcas08.broadcom.com (HELO IRVEXCHCAS08.corp.ad.broadcom.com) ([10.9.208.57]) by mail-gw3-out.broadcom.com with ESMTP; 23 Dec 2013 10:47:02 -0800 Received: from IRVEXCHSMTP1.corp.ad.broadcom.com (10.9.207.51) by IRVEXCHCAS08.corp.ad.broadcom.com (10.9.208.57) with Microsoft SMTP Server (TLS) id 14.1.438.0; Mon, 23 Dec 2013 10:44:49 -0800 Received: from mail-irva-13.broadcom.com (10.10.10.20) by IRVEXCHSMTP1.corp.ad.broadcom.com (10.9.207.51) with Microsoft SMTP Server id 14.1.438.0; Mon, 23 Dec 2013 10:44:49 -0800 Received: from lb-tlvb-yuvalmin.il.broadcom.com (lb-tlvb-yuvalmin.il.broadcom.com [10.185.6.94]) by mail-irva-13.broadcom.com (Postfix) with ESMTP id 355D6246A4; Mon, 23 Dec 2013 10:44:48 -0800 (PST) From: Yuval Mintz To: , CC: , Yuval Mintz Subject: [PATCH net-next 2/6] bnx2x: Add AER support (missing bits) Date: Mon, 23 Dec 2013 20:44:39 +0200 Message-ID: <1387824283-15687-3-git-send-email-yuvalmin@broadcom.com> X-Mailer: git-send-email 1.8.1.227.g44fe835 In-Reply-To: <1387824283-15687-1-git-send-email-yuvalmin@broadcom.com> References: <1387824283-15687-1-git-send-email-yuvalmin@broadcom.com> MIME-Version: 1.0 Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org This function adds several OS calls required to fully enable PCIe AER support - pci_enable_pcie_error_reporting() and pci_cleanup_aer_uncorrect_error_status(). Signed-off-by: Yuval Mintz Signed-off-by: Ariel Elior --- drivers/net/ethernet/broadcom/bnx2x/bnx2x.h | 1 + drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c | 29 ++++++++++++++++++++++++ 2 files changed, 30 insertions(+) diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x.h b/drivers/net/ethernet/broadcom/bnx2x/bnx2x.h index f09fde6..4bb4f32 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x.h +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x.h @@ -1546,6 +1546,7 @@ struct bnx2x { #define INTERRUPTS_ENABLED_FLAG (1 << 23) #define BC_SUPPORTS_RMMOD_CMD (1 << 24) #define HAS_PHYS_PORT_ID (1 << 25) +#define AER_ENABLED (1 << 26) #define BP_NOMCP(bp) ((bp)->flags & NO_MCP_FLAG) diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c index 5910413..72973cc 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c @@ -27,6 +27,7 @@ #include #include #include +#include #include #include #include @@ -12225,6 +12226,14 @@ static int bnx2x_set_coherency_mask(struct bnx2x *bp) return 0; } +static void bnx2x_disable_pcie_error_reporting(struct bnx2x *bp) +{ + if (bp->flags & AER_ENABLED) { + pci_disable_pcie_error_reporting(bp->pdev); + bp->flags &= ~AER_ENABLED; + } +} + static int bnx2x_init_dev(struct bnx2x *bp, struct pci_dev *pdev, struct net_device *dev, unsigned long board_type) { @@ -12331,6 +12340,14 @@ static int bnx2x_init_dev(struct bnx2x *bp, struct pci_dev *pdev, /* clean indirect addresses */ pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS, PCICFG_VENDOR_ID_OFFSET); + + /* AER (Advanced Error reporting) configuration */ + rc = pci_enable_pcie_error_reporting(pdev); + if (!rc) + bp->flags |= AER_ENABLED; + else + BNX2X_DEV_INFO("Failed To configure PCIe AER [%d]\n", rc); + /* * Clean the following indirect addresses for all functions since it * is not used by the driver. @@ -12938,6 +12955,8 @@ static int bnx2x_init_one(struct pci_dev *pdev, return 0; init_one_exit: + bnx2x_disable_pcie_error_reporting(bp); + if (bp->regview) iounmap(bp->regview); @@ -13011,6 +13030,8 @@ static void __bnx2x_remove(struct pci_dev *pdev, pci_set_power_state(pdev, PCI_D3hot); } + bnx2x_disable_pcie_error_reporting(bp); + if (bp->regview) iounmap(bp->regview); @@ -13188,6 +13209,14 @@ static pci_ers_result_t bnx2x_io_slot_reset(struct pci_dev *pdev) rtnl_unlock(); + /* If AER, perform cleanup of the PCIe registers */ + if (bp->flags & AER_ENABLED) { + if (pci_cleanup_aer_uncorrect_error_status(pdev)) + BNX2X_ERR("pci_cleanup_aer_uncorrect_error_status failed\n"); + else + DP(NETIF_MSG_HW, "pci_cleanup_aer_uncorrect_error_status succeeded\n"); + } + return PCI_ERS_RESULT_RECOVERED; }