From patchwork Fri Dec 4 09:50:07 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Stanley Chu X-Patchwork-Id: 11951295 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=-15.4 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,UNPARSEABLE_RELAY, UNWANTED_LANGUAGE_BODY,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 E7149C4361A for ; Fri, 4 Dec 2020 09:54:06 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 624A522955 for ; Fri, 4 Dec 2020 09:54:06 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 624A522955 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=mediatek.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=merlin.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=Pgg7g7kFnL2kDseWef34UyxOtorCGk/6Gvw3nbkS+6k=; b=EPWBMRa4vJRJnX41bcumt5S5/ Z+JzmhG0d35gIUmS3MP2reBiw7UdvGRnLKO+pAhxMfOuvqv2C+0pFWm5YXMgzic0TpL9w19QoWrx7 MrILztkvwp6dSwNBOeYQ5rg58CIUlQRV6HWr6powmqYimohGwY6ch/HJaTuf4K/TmyvDMLfE+rZSC RJGiIplGdgiUrIFC6Nd6fWR/kOjv4iNQLx3CyeZUXq7kwSzioZJRP4DA/hTRxJnxdNMS5BBg00xg3 UqbYqpqOstRQARvCDKWJSQaX4kJ9/IGDXo4uDpJfF10SiO2MzWw2veJgDBeejchakaMg5g5QUmD6G lnZzFQHfA==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1kl7mk-0002ux-OP; Fri, 04 Dec 2020 09:53:54 +0000 Received: from mailgw02.mediatek.com ([216.200.240.185]) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1kl7mE-0002ac-ON; Fri, 04 Dec 2020 09:53:24 +0000 X-UUID: d1e29975adf542cea6bb1319d6c5270c-20201204 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mediatek.com; s=dk; h=Content-Transfer-Encoding:Content-Type:MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:CC:To:From; bh=Q/okFsnJzFQQeXGAdmbV00fyZCOuSbe33kWcrZPnFn8=; b=bHzSjvDNkXYnRwIVETb6G8S3xL+MZEEztlLPxg5TQ7TT8BuXq/KoEJX1lSU2KI10dxgNBwJ+PSZAi36K5lpDmhpqMOEEnXIAG/8+34irjVLSnZMkYtH2ivKMsddd/KmJXUfF237uOfXc8sDsgFbe+hjBQTUG9r0hgfNZnNsSU/8=; X-UUID: d1e29975adf542cea6bb1319d6c5270c-20201204 Received: from mtkcas66.mediatek.inc [(172.29.193.44)] by mailgw02.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLSv1.2 ECDHE-RSA-AES256-SHA384 256/256) with ESMTP id 625772307; Fri, 04 Dec 2020 01:52:00 -0800 Received: from MTKMBS02N1.mediatek.inc (172.21.101.77) by MTKMBS62DR.mediatek.inc (172.29.94.18) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Fri, 4 Dec 2020 01:50:08 -0800 Received: from mtkcas07.mediatek.inc (172.21.101.84) by mtkmbs02n1.mediatek.inc (172.21.101.77) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Fri, 4 Dec 2020 17:50:07 +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 17:50:07 +0800 From: Stanley Chu To: , , , , Subject: [PATCH v3 8/8] scsi: ufs-mediatek: Introduce event_notify implementation Date: Fri, 4 Dec 2020 17:50:07 +0800 Message-ID: <20201204095007.20639-9-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 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20201204_045323_012528_AA331D79 X-CRM114-Status: GOOD ( 16.83 ) X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Stanley Chu , alice.chao@mediatek.com, bvanassche@acm.org, huadian.liu@mediatek.com, andy.teng@mediatek.com, cc.chou@mediatek.com, chun-hung.wu@mediatek.com, kuohong.wang@mediatek.com, linux-kernel@vger.kernel.org, jiajie.hao@mediatek.com, cang@codeaurora.org, linux-mediatek@lists.infradead.org, peter.wang@mediatek.com, matthias.bgg@gmail.com, beanhuo@micron.com, chaotian.jing@mediatek.com, linux-arm-kernel@lists.infradead.org, asutoshd@codeaurora.org Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org Introduce event_notify implementation on MediaTek UFS platform. A vendor-specific tracepoint is added that could be used for debugging purpose. Signed-off-by: Stanley Chu --- drivers/scsi/ufs/ufs-mediatek-trace.h | 37 +++++++++++++++++++++++++++ drivers/scsi/ufs/ufs-mediatek.c | 10 ++++++++ 2 files changed, 47 insertions(+) create mode 100644 drivers/scsi/ufs/ufs-mediatek-trace.h diff --git a/drivers/scsi/ufs/ufs-mediatek-trace.h b/drivers/scsi/ufs/ufs-mediatek-trace.h new file mode 100644 index 000000000000..c36ca6de9636 --- /dev/null +++ b/drivers/scsi/ufs/ufs-mediatek-trace.h @@ -0,0 +1,37 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Copyright (C) 2020 MediaTek Inc. + */ +#undef TRACE_SYSTEM +#define TRACE_SYSTEM ufs_mtk + +#if !defined(_TRACE_EVENT_UFS_MEDIATEK_H) || defined(TRACE_HEADER_MULTI_READ) +#define _TRACE_EVENT_UFS_MEDIATEK_H + +#include + +TRACE_EVENT(ufs_mtk_event, + TP_PROTO(unsigned int type, int data), + TP_ARGS(type, data), + + TP_STRUCT__entry( + __field(unsigned int, type) + __field(int, data) + ), + + TP_fast_assign( + __entry->type = type; + __entry->data = data; + ), + + TP_printk("ufs:event=%u data=%u", + __entry->type, __entry->data) + ); +#endif + +#undef TRACE_INCLUDE_PATH +#undef TRACE_INCLUDE_FILE +#define TRACE_INCLUDE_PATH . +#define TRACE_INCLUDE_FILE ufs-mediatek-trace +#include + diff --git a/drivers/scsi/ufs/ufs-mediatek.c b/drivers/scsi/ufs/ufs-mediatek.c index 1d3c5cd4592e..b6755aab9a7b 100644 --- a/drivers/scsi/ufs/ufs-mediatek.c +++ b/drivers/scsi/ufs/ufs-mediatek.c @@ -24,6 +24,9 @@ #include "unipro.h" #include "ufs-mediatek.h" +#define CREATE_TRACE_POINTS +#include "ufs-mediatek-trace.h" + #define ufs_mtk_smc(cmd, val, res) \ arm_smccc_smc(MTK_SIP_UFS_CONTROL, \ cmd, val, 0, 0, 0, 0, 0, &(res)) @@ -1002,6 +1005,12 @@ static void ufs_mtk_fixup_dev_quirks(struct ufs_hba *hba) ufshcd_fixup_dev_quirks(hba, ufs_mtk_dev_fixups); } +static void ufs_mtk_event_notify(struct ufs_hba *hba, + enum ufs_event_type evt, void *data) +{ + trace_ufs_mtk_event(evt, (int)data); +} + /* * struct ufs_hba_mtk_vops - UFS MTK specific variant operations * @@ -1021,6 +1030,7 @@ static const struct ufs_hba_variant_ops ufs_hba_mtk_vops = { .resume = ufs_mtk_resume, .dbg_register_dump = ufs_mtk_dbg_register_dump, .device_reset = ufs_mtk_device_reset, + .event_notify = ufs_mtk_event_notify, }; /**