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=-9.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, 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 0A446C352A4 for ; Wed, 12 Feb 2020 20:47:09 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id CA80D2168B for ; Wed, 12 Feb 2020 20:47:08 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729153AbgBLUrI (ORCPT ); Wed, 12 Feb 2020 15:47:08 -0500 Received: from mga03.intel.com ([134.134.136.65]:27753 "EHLO mga03.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729054AbgBLUqy (ORCPT ); Wed, 12 Feb 2020 15:46:54 -0500 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga003.fm.intel.com ([10.253.24.29]) by orsmga103.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 12 Feb 2020 12:46:53 -0800 X-IronPort-AV: E=Sophos;i="5.70,434,1574150400"; d="scan'208";a="281335112" Received: from agluck-desk2.sc.intel.com ([10.3.52.68]) by fmsmga003-auth.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 12 Feb 2020 12:46:52 -0800 From: Tony Luck To: Borislav Petkov Cc: Tony Luck , x86@kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH 3/5] x86/mce: Add new "handled" field to "struct mce" Date: Wed, 12 Feb 2020 12:46:50 -0800 Message-Id: <20200212204652.1489-4-tony.luck@intel.com> X-Mailer: git-send-email 2.21.1 In-Reply-To: <20200212204652.1489-1-tony.luck@intel.com> References: <20200212204652.1489-1-tony.luck@intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org There can be many different subsystems register on the mce handler chain. Add a new bitmask field and define values so that handlers can indicate whether they took any action to log or otherwise handle an error. The default handler at the end of the chain can use this information to decide whether to print to the console log. Signed-off-by: Tony Luck --- arch/x86/include/uapi/asm/mce.h | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/arch/x86/include/uapi/asm/mce.h b/arch/x86/include/uapi/asm/mce.h index 955c2a2e1cf9..99ca07f7b078 100644 --- a/arch/x86/include/uapi/asm/mce.h +++ b/arch/x86/include/uapi/asm/mce.h @@ -35,8 +35,17 @@ struct mce { __u64 ipid; /* MCA_IPID MSR: only valid on SMCA systems */ __u64 ppin; /* Protected Processor Inventory Number */ __u32 microcode; /* Microcode revision */ + __u32 handled; /* Bitmap of logging/handling actions */ }; +/* handled flag bits */ +#define MCE_HANDLED_CEC BIT(0) +#define MCE_HANDLED_UC BIT(1) +#define MCE_HANDLED_EXTLOG BIT(2) +#define MCE_HANDLED_NFIT BIT(3) +#define MCE_HANDLED_EDAC BIT(4) +#define MCE_HANDLED_MCELOG BIT(5) + #define MCE_GET_RECORD_LEN _IOR('M', 1, int) #define MCE_GET_LOG_LEN _IOR('M', 2, int) #define MCE_GETCLEAR_FLAGS _IOR('M', 3, int) -- 2.21.1