From patchwork Fri Dec 4 09:50:04 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Stanley Chu X-Patchwork-Id: 338656 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=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, UNPARSEABLE_RELAY, URIBL_BLOCKED, USER_AGENT_GIT autolearn=unavailable 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 7A2A3C4361B for ; Fri, 4 Dec 2020 09:51:13 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 255E2229C4 for ; Fri, 4 Dec 2020 09:51:13 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2387811AbgLDJu4 (ORCPT ); Fri, 4 Dec 2020 04:50:56 -0500 Received: from mailgw01.mediatek.com ([210.61.82.183]:37590 "EHLO mailgw01.mediatek.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1726330AbgLDJuz (ORCPT ); Fri, 4 Dec 2020 04:50:55 -0500 X-UUID: 12cbecf8c4524b35a02dd78ffcf03196-20201204 X-UUID: 12cbecf8c4524b35a02dd78ffcf03196-20201204 Received: from mtkexhb01.mediatek.inc [(172.21.101.102)] by mailgw01.mediatek.com (envelope-from ) (Cellopoint E-mail Firewall v4.1.14 Build 0819 with TLSv1.2 ECDHE-RSA-AES256-SHA384 256/256) with ESMTP id 1381051746; Fri, 04 Dec 2020 17:50:10 +0800 Received: from mtkcas07.mediatek.inc (172.21.101.84) by mtkmbs08n1.mediatek.inc (172.21.101.55) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Fri, 4 Dec 2020 17:50:06 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkcas07.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Fri, 4 Dec 2020 17:50:06 +0800 From: Stanley Chu To: , , , , CC: , , , , , , , , , , , , , , , , , Stanley Chu Subject: [PATCH v3 5/8] scsi: ufs: Add error history for abort event in UFS Device W-LUN Date: Fri, 4 Dec 2020 17:50:04 +0800 Message-ID: <20201204095007.20639-6-stanley.chu@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20201204095007.20639-1-stanley.chu@mediatek.com> References: <20201204095007.20639-1-stanley.chu@mediatek.com> MIME-Version: 1.0 X-MTK: N Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org Add error history for abort event in UFS Device W-LUN. Besides, use specified value as parameter of ufshcd_update_reg_hist() to identify the aborted tag or LUNs. Reviewed-by: Can Guo Signed-off-by: Stanley Chu --- drivers/scsi/ufs/ufshcd.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c index c2f611516ea7..922d68bca345 100644 --- a/drivers/scsi/ufs/ufshcd.c +++ b/drivers/scsi/ufs/ufshcd.c @@ -6738,8 +6738,10 @@ static int ufshcd_abort(struct scsi_cmnd *cmd) * To avoid these unnecessary/illegal step we skip to the last error * handling stage: reset and restore. */ - if (lrbp->lun == UFS_UPIU_UFS_DEVICE_WLUN) + if (lrbp->lun == UFS_UPIU_UFS_DEVICE_WLUN) { + ufshcd_update_reg_hist(&hba->ufs_stats.task_abort, lrbp->lun); return ufshcd_eh_host_reset_handler(cmd); + } ufshcd_hold(hba, false); reg = ufshcd_readl(hba, REG_UTP_TRANSFER_REQ_DOOR_BELL); @@ -6763,7 +6765,7 @@ static int ufshcd_abort(struct scsi_cmnd *cmd) */ scsi_print_command(hba->lrb[tag].cmd); if (!hba->req_abort_count) { - ufshcd_update_reg_hist(&hba->ufs_stats.task_abort, 0); + ufshcd_update_reg_hist(&hba->ufs_stats.task_abort, tag); ufshcd_print_host_regs(hba); ufshcd_print_host_state(hba); ufshcd_print_pwr_info(hba);