From patchwork Wed Jul 10 05:20:15 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Stanley Chu X-Patchwork-Id: 11037857 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id B192E14DB for ; Wed, 10 Jul 2019 05:20:40 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id A3988285C6 for ; Wed, 10 Jul 2019 05:20:40 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 97C3928653; Wed, 10 Jul 2019 05:20:40 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.2 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED,UNPARSEABLE_RELAY autolearn=ham version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 272E6285C6 for ; Wed, 10 Jul 2019 05:20:40 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=H3JOBCHMrLTLLJ4VwSqlX3zEKk4D0+1Qu7Uxeb3w2KQ=; b=MNUSsgAVY7o1Sl gq/mbwBaxPLO3zkafrgKGqcghwY8InvW4WMvZYVY/gaThL/4eGJAVqiEecgtCyWy3OJstxkN1APmV iOsI22gRBGDxmdmWpAbHPeTU5aSgAOVT79OL84CZVKqYY0GdBylL7qdnll0PxFcFrG4j4+R95FXR2 7YDGmf1zZa1/iIP6q83AQaD31/2BSi5/X0+dg5oGMiKRC+GO37GPGZUI2ZdcnZCqdIdg6mRl6Pr7X HcY/xKRaka4L/NurnIbtwoFgoW2bnp79U0Mp0MrJatxOiPjqN4lVmtxjYCbWAJpVsgkiyNnRsRyTd LB99CN33xmgty1J7Vcfg==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92 #3 (Red Hat Linux)) id 1hl51z-00070s-L4; Wed, 10 Jul 2019 05:20:39 +0000 Received: from mailgw02.mediatek.com ([216.200.240.185]) by bombadil.infradead.org with esmtps (Exim 4.92 #3 (Red Hat Linux)) id 1hl51v-0006zL-Sb; Wed, 10 Jul 2019 05:20:37 +0000 X-UUID: 6445a9aa0d1342b1839c0ac67f7fce18-20190709 X-UUID: 6445a9aa0d1342b1839c0ac67f7fce18-20190709 Received: from mtkcas68.mediatek.inc [(172.29.94.19)] by mailgw02.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLS) with ESMTP id 2007210634; Tue, 09 Jul 2019 21:20:28 -0800 Received: from MTKMBS01N1.mediatek.inc (172.21.101.68) by MTKMBS62N1.mediatek.inc (172.29.193.41) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Tue, 9 Jul 2019 22:20:26 -0700 Received: from MTKCAS06.mediatek.inc (172.21.101.30) by mtkmbs01n1.mediatek.inc (172.21.101.68) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Wed, 10 Jul 2019 13:20:18 +0800 Received: from mtkswgap22.mediatek.inc (172.21.77.33) by MTKCAS06.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1395.4 via Frontend Transport; Wed, 10 Jul 2019 13:20:19 +0800 From: Stanley Chu To: , , , , Subject: [PATCH v2 2/4] scsi: ufs: Add fatal and auto-hibern8 error history Date: Wed, 10 Jul 2019 13:20:15 +0800 Message-ID: <1562736017-29461-3-git-send-email-stanley.chu@mediatek.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1562736017-29461-1-git-send-email-stanley.chu@mediatek.com> References: <1562736017-29461-1-git-send-email-stanley.chu@mediatek.com> MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190709_222035_920706_90A1331B X-CRM114-Status: UNSURE ( 9.96 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: sthumma@codeaurora.org, marc.w.gonzalez@free.fr, andy.teng@mediatek.com, chun-hung.wu@mediatek.com, kuohong.wang@mediatek.com, peter.wang@mediatek.com, evgreen@chromium.org, subhashj@codeaurora.org, linux-mediatek@lists.infradead.org, ygardi@codeaurora.org, matthias.bgg@gmail.com, Stanley Chu , linux-arm-kernel@lists.infradead.org, beanhuo@micron.com Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP Provide more information of fatal errros and auto-hibern8 errors to improve debugging by extending extend existed UFS error history framework. Signed-off-by: Stanley Chu Reviewed-by: Avri Altman --- drivers/scsi/ufs/ufshcd.c | 11 ++++++++++- drivers/scsi/ufs/ufshcd.h | 10 +++++++++- 2 files changed, 19 insertions(+), 2 deletions(-) diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c index eb062aba0d21..b8b874311509 100644 --- a/drivers/scsi/ufs/ufshcd.c +++ b/drivers/scsi/ufs/ufshcd.c @@ -429,6 +429,9 @@ static void ufshcd_print_host_regs(struct ufs_hba *hba) ufshcd_print_err_hist(hba, &hba->ufs_stats.nl_err, "nl_err"); ufshcd_print_err_hist(hba, &hba->ufs_stats.tl_err, "tl_err"); ufshcd_print_err_hist(hba, &hba->ufs_stats.dme_err, "dme_err"); + ufshcd_print_err_hist(hba, &hba->ufs_stats.fatal_err, "fatal_err"); + ufshcd_print_err_hist(hba, &hba->ufs_stats.auto_hibern8_err, + "auto_hibern8_err"); ufshcd_print_clk_freqs(hba); @@ -5440,8 +5443,10 @@ static void ufshcd_check_errors(struct ufs_hba *hba) { bool queue_eh_work = false; - if (hba->errors & INT_FATAL_ERRORS) + if (hba->errors & INT_FATAL_ERRORS) { + ufshcd_update_reg_hist(&hba->ufs_stats.fatal_err, hba->errors); queue_eh_work = true; + } if (hba->errors & UIC_ERROR) { hba->uic_error = 0; @@ -5456,6 +5461,8 @@ static void ufshcd_check_errors(struct ufs_hba *hba) __func__, (hba->errors & UIC_HIBERNATE_ENTER) ? "Enter" : "Exit", hba->errors, ufshcd_get_upmcrs(hba)); + ufshcd_update_reg_hist(&hba->ufs_stats.auto_hibern8_err, + hba->errors); queue_eh_work = true; } @@ -6693,6 +6700,8 @@ static void ufshcd_clear_dbg_ufs_stats(struct ufs_hba *hba) memset(&hba->ufs_stats.nl_err, 0, err_reg_hist_size); memset(&hba->ufs_stats.tl_err, 0, err_reg_hist_size); memset(&hba->ufs_stats.dme_err, 0, err_reg_hist_size); + memset(&hba->ufs_stats.fatal_err, 0, err_reg_hist_size); + memset(&hba->ufs_stats.auto_hibern8_err, 0, err_reg_hist_size); hba->req_abort_count = 0; } diff --git a/drivers/scsi/ufs/ufshcd.h b/drivers/scsi/ufs/ufshcd.h index dcc61f857c38..c6ec5c749ceb 100644 --- a/drivers/scsi/ufs/ufshcd.h +++ b/drivers/scsi/ufs/ufshcd.h @@ -414,7 +414,7 @@ struct ufs_init_prefetch { #define UFS_ERR_REG_HIST_LENGTH 8 /** - * struct ufs_err_reg_hist - keeps history of uic errors + * struct ufs_err_reg_hist - keeps history of errors * @pos: index to indicate cyclic buffer position * @reg: cyclic buffer for registers value * @tstamp: cyclic buffer for time stamp @@ -436,15 +436,23 @@ struct ufs_err_reg_hist { * @nl_err: tracks nl-uic errors * @tl_err: tracks tl-uic errors * @dme_err: tracks dme errors + * @fatal_err: tracks fatal errors + * @auto_hibern8_err: tracks auto-hibernate errors */ struct ufs_stats { u32 hibern8_exit_cnt; ktime_t last_hibern8_exit_tstamp; + + /* uic specific errors */ struct ufs_err_reg_hist pa_err; struct ufs_err_reg_hist dl_err; struct ufs_err_reg_hist nl_err; struct ufs_err_reg_hist tl_err; struct ufs_err_reg_hist dme_err; + + /* fatal errors */ + struct ufs_err_reg_hist fatal_err; + struct ufs_err_reg_hist auto_hibern8_err; }; /**