From mboxrd@z Thu Jan 1 00:00:00 1970 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=-12.7 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, 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 C3444C4742C for ; Fri, 6 Nov 2020 00:15:49 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 858A12075A for ; Fri, 6 Nov 2020 00:15:49 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732930AbgKFAPs (ORCPT ); Thu, 5 Nov 2020 19:15:48 -0500 Received: from mga12.intel.com ([192.55.52.136]:23065 "EHLO mga12.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1732925AbgKFAPV (ORCPT ); Thu, 5 Nov 2020 19:15:21 -0500 IronPort-SDR: rnXmH+9GpWkXVP2g/0Cul04O8DBN8+ELUkOrepBdxXhY5tHOLNiVJHmVGisYdpLfn79wf9yzXx r4Kxdhd9U6fQ== X-IronPort-AV: E=McAfee;i="6000,8403,9796"; a="148759558" X-IronPort-AV: E=Sophos;i="5.77,454,1596524400"; d="scan'208";a="148759558" X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga005.fm.intel.com ([10.253.24.32]) by fmsmga106.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 05 Nov 2020 16:15:20 -0800 IronPort-SDR: HQQzm1/acZexAvJm1iNRVnf7Ci21Agq5Kt0TTZj/m3gKzTvxBi/A+Wsu0pp58mwwIoONMqrQWE ntSvJLS77tig== X-IronPort-AV: E=Sophos;i="5.77,454,1596524400"; d="scan'208";a="529621757" Received: from gabriels-mobl1.amr.corp.intel.com (HELO arch-ashland-svkelley.intel.com) ([10.209.37.33]) by fmsmga005-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 05 Nov 2020 16:15:20 -0800 From: Sean V Kelley To: bhelgaas@google.com, Jonathan.Cameron@huawei.com, xerces.zhao@gmail.com, rafael.j.wysocki@intel.com, ashok.raj@intel.com, tony.luck@intel.com, sathyanarayanan.kuppuswamy@intel.com, qiuxu.zhuo@intel.com Cc: linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org, Sean V Kelley Subject: [PATCH v10 16/16] PCI/AER: Add RCEC AER error injection support Date: Thu, 5 Nov 2020 16:14:44 -0800 Message-Id: <20201106001444.667232-17-sean.v.kelley@intel.com> X-Mailer: git-send-email 2.29.2 In-Reply-To: <20201106001444.667232-1-sean.v.kelley@intel.com> References: <20201106001444.667232-1-sean.v.kelley@intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Qiuxu Zhuo Root Complex Event Collectors (RCEC) appear as peers to Root Ports and may also have the AER capability. Add RCEC support to the AER error injection driver. Co-developed-by: Sean V Kelley Link: https://lore.kernel.org/r/20201002184735.1229220-15-seanvk.dev@oregontracks.org Signed-off-by: Qiuxu Zhuo Signed-off-by: Sean V Kelley Signed-off-by: Bjorn Helgaas --- drivers/pci/pcie/aer_inject.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/pci/pcie/aer_inject.c b/drivers/pci/pcie/aer_inject.c index c2cbf425afc5..767f8859b99b 100644 --- a/drivers/pci/pcie/aer_inject.c +++ b/drivers/pci/pcie/aer_inject.c @@ -333,8 +333,11 @@ static int aer_inject(struct aer_error_inj *einj) if (!dev) return -ENODEV; rpdev = pcie_find_root_port(dev); + /* If Root Port not found, try to find an RCEC */ + if (!rpdev) + rpdev = dev->rcec; if (!rpdev) { - pci_err(dev, "Root port not found\n"); + pci_err(dev, "Neither Root Port nor RCEC found\n"); ret = -ENODEV; goto out_put; } -- 2.29.2