From patchwork Thu Jul 28 02:28:30 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Stanley Chu X-Patchwork-Id: 594309 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 5FBC7C19F28 for ; Thu, 28 Jul 2022 02:28:54 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236855AbiG1C2w (ORCPT ); Wed, 27 Jul 2022 22:28:52 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56714 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233710AbiG1C2r (ORCPT ); Wed, 27 Jul 2022 22:28:47 -0400 Received: from mailgw02.mediatek.com (unknown [210.61.82.184]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D22515925B; Wed, 27 Jul 2022 19:28:40 -0700 (PDT) X-UUID: d78be424955e4a73986028aecdea8610-20220728 X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.1.8, REQID:1a8c5091-7276-47e7-85f6-569b3921000a, OB:0, LO B:0,IP:0,URL:0,TC:0,Content:-5,EDM:0,RT:0,SF:95,FILE:0,RULE:Release_Ham,AC TION:release,TS:90 X-CID-INFO: VERSION:1.1.8, REQID:1a8c5091-7276-47e7-85f6-569b3921000a, OB:0, LOB: 0,IP:0,URL:0,TC:0,Content:-5,EDM:0,RT:0,SF:95,FILE:0,RULE:Spam_GS981B3D,AC TION:quarantine,TS:90 X-CID-META: VersionHash:0f94e32, CLOUDID:ffbf1836-fd9a-435f-8e8b-e247f150d0a2, C OID:b3b2d735b6a3,Recheck:0,SF:28|17|19|48,TC:nil,Content:0,EDM:-3,IP:nil,U RL:0,File:nil,QS:nil,BEC:nil,COL:0 X-UUID: d78be424955e4a73986028aecdea8610-20220728 Received: from mtkcas11.mediatek.inc [(172.21.101.40)] by mailgw02.mediatek.com (envelope-from ) (Generic MTA with TLSv1.2 ECDHE-RSA-AES256-SHA384 256/256) with ESMTP id 1628196119; Thu, 28 Jul 2022 10:28:36 +0800 Received: from mtkmbs11n1.mediatek.inc (172.21.101.185) by mtkmbs11n1.mediatek.inc (172.21.101.185) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.792.15; Thu, 28 Jul 2022 10:28:35 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkmbs11n1.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.792.15 via Frontend Transport; Thu, 28 Jul 2022 10:28:35 +0800 From: Stanley Chu To: , , , , , , CC: , , , , , , , , , , , , Subject: [PATCH v3 2/5] scsi: ufs: ufs-mediatek: Provide detailed description for UIC errors Date: Thu, 28 Jul 2022 10:28:30 +0800 Message-ID: <20220728022833.16243-3-stanley.chu@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20220728022833.16243-1-stanley.chu@mediatek.com> References: <20220728022833.16243-1-stanley.chu@mediatek.com> MIME-Version: 1.0 X-MTK: N Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org Provide detailed description in logs for UIC errors for eaiser issue breakdown. Signed-off-by: Stanley Chu --- drivers/ufs/host/ufs-mediatek.c | 58 +++++++++++++++++++++++++++++++++ 1 file changed, 58 insertions(+) diff --git a/drivers/ufs/host/ufs-mediatek.c b/drivers/ufs/host/ufs-mediatek.c index ff6fd8f52ebc..572fafa069a4 100644 --- a/drivers/ufs/host/ufs-mediatek.c +++ b/drivers/ufs/host/ufs-mediatek.c @@ -46,6 +46,44 @@ static const struct of_device_id ufs_mtk_of_match[] = { {}, }; +/* + * Details of UIC Errors + */ +static const char *const ufs_uic_err_str[] = { + "PHY Adapter Layer", + "Data Link Layer", + "Network Link Layer", + "Transport Link Layer", + "DME" +}; + +static const char *const ufs_uic_pa_err_str[] = { + "PHY error on Lane 0", + "PHY error on Lane 1", + "PHY error on Lane 2", + "PHY error on Lane 3", + "Generic PHY Adapter Error. This should be the LINERESET indication" +}; + +static const char *const ufs_uic_dl_err_str[] = { + "NAC_RECEIVED", + "TCx_REPLAY_TIMER_EXPIRED", + "AFCx_REQUEST_TIMER_EXPIRED", + "FCx_PROTECTION_TIMER_EXPIRED", + "CRC_ERROR", + "RX_BUFFER_OVERFLOW", + "MAX_FRAME_LENGTH_EXCEEDED", + "WRONG_SEQUENCE_NUMBER", + "AFC_FRAME_SYNTAX_ERROR", + "NAC_FRAME_SYNTAX_ERROR", + "EOF_SYNTAX_ERROR", + "FRAME_SYNTAX_ERROR", + "BAD_CTRL_SYMBOL_TYPE", + "PA_INIT_ERROR", + "PA_ERROR_IND_RECEIVED", + "PA_INIT" +}; + static bool ufs_mtk_is_boost_crypt_enabled(struct ufs_hba *hba) { struct ufs_mtk_host *host = ufshcd_get_variant(hba); @@ -1309,8 +1347,28 @@ static void ufs_mtk_event_notify(struct ufs_hba *hba, enum ufs_event_type evt, void *data) { unsigned int val = *(u32 *)data; + unsigned long reg; + int bit; trace_ufs_mtk_event(evt, val); + + /* Print details of UIC Errors */ + if (evt <= UFS_EVT_DME_ERR) { + dev_info(hba->dev, + "Host UIC Error Code (%s): %08x\n", + ufs_uic_err_str[evt], val); + reg = val; + } + + if (evt == UFS_EVT_PA_ERR) { + for_each_set_bit(bit, ®, ARRAY_SIZE(ufs_uic_pa_err_str)) + dev_info(hba->dev, "%s\n", ufs_uic_pa_err_str[bit]); + } + + if (evt == UFS_EVT_DL_ERR) { + for_each_set_bit(bit, ®, ARRAY_SIZE(ufs_uic_dl_err_str)) + dev_info(hba->dev, "%s\n", ufs_uic_dl_err_str[bit]); + } } /*