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=-3.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, MIME_BASE64_TEXT,SPF_HELO_NONE,SPF_PASS,UNPARSEABLE_RELAY,USER_AGENT_GIT autolearn=no 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 52D8FC4724C for ; Fri, 8 May 2020 08:01:27 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 354F5206B8 for ; Fri, 8 May 2020 08:01:27 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=mediatek.com header.i=@mediatek.com header.b="QzDKXpbm" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727777AbgEHIB0 (ORCPT ); Fri, 8 May 2020 04:01:26 -0400 Received: from mailgw01.mediatek.com ([210.61.82.183]:40573 "EHLO mailgw01.mediatek.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1727105AbgEHIBY (ORCPT ); Fri, 8 May 2020 04:01:24 -0400 X-UUID: 02ec54b3ad4841108a70f865eba87e39-20200508 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:Message-ID:Date:Subject:CC:To:From; bh=q41jnBLZkm5OYDzNGhSl4Dj8ltKLKW6wmqZStHtz2CA=; b=QzDKXpbm3bkTCmkLMebgJgCfKKMZYA2t+VS2l7NzhWVBiFaczjvlhKJxVJri6zV3cfmg1gSY93jJmtp8eNGZMLK6GqZnlr3GM9Ei6aRF3rSK8wREafFtZLs8bt8oL7HqLlxqmy+Ag7DyC+V3en1fgzqzJS9qff3lp+Zx/kuEp3A=; X-UUID: 02ec54b3ad4841108a70f865eba87e39-20200508 Received: from mtkcas07.mediatek.inc [(172.21.101.84)] by mailgw01.mediatek.com (envelope-from ) (Cellopoint E-mail Firewall v4.1.10 Build 0809 with TLS) with ESMTP id 1874186833; Fri, 08 May 2020 16:01:19 +0800 Received: from mtkcas08.mediatek.inc (172.21.101.126) by mtkmbs02n1.mediatek.inc (172.21.101.77) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Fri, 8 May 2020 16:01:17 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkcas08.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Fri, 8 May 2020 16:01:17 +0800 From: Stanley Chu To: , , , , , CC: , , , , , , , , , , , Stanley Chu Subject: [PATCH v8 0/8] scsi: ufs: support LU Dedicated buffer mode for WriteBooster Date: Fri, 8 May 2020 16:01:07 +0800 Message-ID: <20200508080115.24233-1-stanley.chu@mediatek.com> X-Mailer: git-send-email 2.18.0 MIME-Version: 1.0 Content-Type: text/plain X-MTK: N Content-Transfer-Encoding: base64 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org SGksDQpUaGlzIHBhdGNoc2V0IGFkZHMgTFUgZGVkaWNhdGVkIGJ1ZmZlciBtb2RlIHN1cHBvcnQg Zm9yIFdyaXRlQm9vc3Rlci4NCkluIHRoZSBtZWFud2hpbGUsIGVuYWJsZSBXcml0ZUJvb3N0ZXIg Y2FwYWJpbGl0eSBvbiBNZWRpYVRlayBVRlMgcGxhdGZvcm1zLg0KDQp2NyAtPiB2ODoNCiAgLSBJ biBleHBvcnRlZCBmdW50aW9uIHVmc2hjZF9maXh1cF9kZXZfcXVpcmtzKCksIGFkZCBudWxsIGNo ZWNraW5nIGZvciBwYXJhbWV0ZXIgImZpeHVwcyIgKEF2cmkgQWx0bWFuKQ0KDQp2NiAtPiB2NzoN CiAgLSBBZGQgZGV2aWNlIGRlc2NyaXB0b3IgbGVuZ3RoIGNoZWNrIGluIHVmc2hjZF93Yl9wcm9i ZSgpIGJhY2sgdG8gcHJldmVudCBvdXQtb2YtYm91bmRhcnkgYWNjZXNzIGluIHVmc2hjZF93Yl9w cm9iZSgpDQogIC0gRml4IHRoZSBjaGVjayBvZiBkZXZpY2UgZGVzY3JpcHRvciBsZW5ndGggKEF2 cmkgQWx0bWFuKQ0KICAtIFByb3ZpZGUgYSBuZXcgdWZzX2ZpeHVwX2RldmljZV9zZXR1cCgpIGZ1 bmN0aW9uIHRvIHBhY2sgYm90aCBkZXZpY2UgZml4dXAgbWV0aG9kcyBieSBnZW5lcmFsIHF1aXJr IHRhYmxlIGFuZCB2ZW5kb3Itc3BlY2lmaWMgd2F5IChBdnJpIEFsdG1hbikNCg0KdjUgLT4gdjY6 DQogIC0gUmVtb3ZlIGRldmljZSBkZXNjcmlwdG9yIGxlbmd0aCBjaGVjayBpbiB1ZnNoY2Rfd2Jf cHJvYmUoKQ0KDQp2NCAtPiB2NToNCiAgLSBDaGVjayBMVU4gSUQgZm9yIGF2YWlsYWJsZSBXcml0 ZUJvb3N0ZXIgYnVmZmVyIG9ubHkgZnJvbSAwIHRvIDcgYWNjb3JkaW5nIHRvIHNwZWMgKEF2cmkg QWx0bWFuKQ0KICAtIFNraXAgY2hlY2tpbmcgYW55IHBvc3NpYmxlIGVycm9ycyBmcm9tIHVmc2hj ZF9yZWFkX3VuaXRfZGVzY19wYXJhbShoYmEsIGx1biwgVU5JVF9ERVNDX1BBUkFNX1dCX0JVRl9B TExPQ19VTklUUykgaW4gdWZzaGNkX3diX3Byb2JlKCkgYW5kIGNoZWNrIHJldHVybmVkIGRfbHVf d2JfYnVmX2FsbG9jIChzaGFsbCBiZSB6ZXJvIGlmIGVycm9yIGhhcHBlbnMpIChBdnJpIEFsdG1h bikNCg0KdjMgLT4gdjQ6DQogIC0gSW50cm9kdWNlICJmaXh1cF9kZXZfcXVpcmtzIiB2b3BzIHRv IGFsbG93IHZlbmRvcnMgdG8gZml4IGFuZCBtb2RpZnkgZGV2aWNlIHF1aXJrcywgYW5kIHByb3Zp ZGUgYW4gaW5pdGlhbCB2ZW5kb3Itc3BlY2lmaWMgZGV2aWNlIHF1aXJrIHRhYmxlIG9uIE1lZGlh VGVrIFVGUyBwbGF0Zm9ybXMNCiAgLSBBdm9pZCByZWx5aW5nIG9uIGNvbW1vbiBkZXZpY2UgcXVp cmsgdGFibGUgZm9yIHByZS0zLjEgVUZTIGRldmljZSB3aXRoIG5vbi1zdGFuZGFyZCBXcml0ZUJv b3N0ZXIgc3VwcG9ydCAoQ2FuIEd1bykNCiAgLSBGaXggY29tbWVudHMgZm9yIHVmc2hjZF93Yl9w cm9iZSgpIChDYW4gR3VvKQ0KICAtIE1ha2UgdWZzaGNkX3diX2dldF9mbGFnX2luZGV4KCkgaW5s aW5lIGFuZCBmaXggdWZzaGNkX2lzX3diX2ZsYWdzKCkgKEF2cmkgQWx0bWFuKQ0KDQp2MiAtPiB2 MzoNCiAgLSBJbnRyb2R1Y2UgYSBkZXZpY2UgcXVpcmsgdG8gc3VwcG9ydCBXcml0ZUJvb3N0ZXIg aW4gcHJlLTMuMSBVRlMgZGV2aWNlcyAoQXZyaSBBbHRtYW4pDQogIC0gRml4IFdyaXRlQm9vc3Rl ciByZWxhdGVkIHN5c2ZzIG5vZGVzLiBOb3cgYWxsIFdyaXRlQm9vc3RlciByZWxhdGVkIHN5c2Zz IG5vZGVzIGFyZSBzcGVjaWZpY2FsbHkgbWFwcGVkIHRvIHRoZSBMVU4gd2l0aCBXcml0ZUJvb3N0 ZXIgZW5hYmxlZCBpbiBMVSBEZWRpY2F0ZWQgYnVmZmVyIG1vZGUgKEF2cmkgQWx0bWFuKQ0KDQp2 MSAtPiB2MjoNCiAgLSBDaGFuZ2UgdGhlIGRlZmluaXRpb24gbmFtZSBvZiBXcml0ZUJvb3N0ZXIg YnVmZmVyIG1vZGUgdG8gY29ycmVzcG9uZCB0byBzcGVjaWZpY2F0aW9uIChCZWFuIEh1bykNCiAg LSBBZGQgcGF0Y2ggIzU6ICJzY3NpOiB1ZnM6IGNsZWFudXAgV3JpdGVCb29zdGVyIGZlYXR1cmUi DQoNClN0YW5sZXkgQ2h1ICg4KToNCiAgc2NzaTogdWZzOiBlbmFibGUgV3JpdGVCb29zdGVyIG9u IHNvbWUgcHJlLTMuMSBVRlMgZGV2aWNlcw0KICBzY3NpOiB1ZnM6IGludHJvZHVjZSBmaXh1cF9k ZXZfcXVpcmtzIHZvcHMNCiAgc2NzaTogdWZzOiBleHBvcnQgdWZzX2ZpeHVwX2RldmljZV9zZXR1 cCgpIGZ1bmN0aW9uDQogIHNjc2k6IHVmcy1tZWRpYXRlazogYWRkIGZpeHVwX2Rldl9xdWlya3Mg dm9wcw0KICBzY3NpOiB1ZnM6IGFkZCAiaW5kZXgiIGluIHBhcmFtZXRlciBsaXN0IG9mIHVmc2hj ZF9xdWVyeV9mbGFnKCkNCiAgc2NzaTogdWZzOiBhZGQgTFUgRGVkaWNhdGVkIGJ1ZmZlciBtb2Rl IHN1cHBvcnQgZm9yIFdyaXRlQm9vc3Rlcg0KICBzY3NpOiB1ZnMtbWVkaWF0ZWs6IGVuYWJsZSBX cml0ZUJvb3N0ZXIgY2FwYWJpbGl0eQ0KICBzY3NpOiB1ZnM6IGNsZWFudXAgV3JpdGVCb29zdGVy IGZlYXR1cmUNCg0KIGRyaXZlcnMvc2NzaS91ZnMvdWZzLW1lZGlhdGVrLmMgfCAgMjUgKysrKy0N CiBkcml2ZXJzL3Njc2kvdWZzL3Vmcy1zeXNmcy5jICAgIHwgIDExICsrLQ0KIGRyaXZlcnMvc2Nz aS91ZnMvdWZzLmggICAgICAgICAgfCAgMTAgKysNCiBkcml2ZXJzL3Njc2kvdWZzL3Vmc19xdWly a3MuaCAgIHwgICA3ICsrDQogZHJpdmVycy9zY3NpL3Vmcy91ZnNoY2QuYyAgICAgICB8IDE2NiAr KysrKysrKysrKysrKysrKysrKystLS0tLS0tLS0tLQ0KIGRyaXZlcnMvc2NzaS91ZnMvdWZzaGNk LmggICAgICAgfCAgMTkgKysrLQ0KIDYgZmlsZXMgY2hhbmdlZCwgMTc2IGluc2VydGlvbnMoKyks IDYyIGRlbGV0aW9ucygtKQ0KDQotLSANCjIuMTguMA0K 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=-3.7 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,UNPARSEABLE_RELAY,URIBL_BLOCKED,USER_AGENT_GIT autolearn=no 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 F1A6AC38A2A for ; Fri, 8 May 2020 08:02:40 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 A50C7206B8 for ; Fri, 8 May 2020 08:02:40 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="s8OvlEjG"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=mediatek.com header.i=@mediatek.com header.b="QzDKXpbm" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org A50C7206B8 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=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version: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:In-Reply-To:References: List-Owner; bh=sUylVrT6NLxElr40Cx+cSm7snE7sFfx95fIDnhonwDs=; b=s8OvlEjGY2i5Ek UkZtUiwlHBvwXDHFqNq0m28GYX29lxp9lH69Om16+yvumNvgegJrQlJmGafiOnbU3JLd2tu0y90lS 11AOXlsOxs7ck9xjMcoo9SBYQJ64IoxFnhIPEftxUzGehFuIa8rjGn26YQmBHrBwZZqifeS7RhIKj B4xHlGTljGTnn6stF4klcU4MxRnjn9KubTBtneGp4+T2o//GdrXrc9c+xSUQgju/JCLoc3XtfgS8Y UfFNPiamJVwHkRwrBFwF1y80AJCLvbuXj1dkpu3lmnHeqrx5NSupWU8TSp2AGdEGzRmQ7mlSSjMEA 4pyQmxz4koNOJldN7/EQ==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1jWxxk-0000fE-AJ; Fri, 08 May 2020 08:02:28 +0000 Received: from mailgw02.mediatek.com ([216.200.240.185]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1jWxwl-0007wT-Vx; Fri, 08 May 2020 08:01:29 +0000 X-UUID: b91f84898ec4448b926120cfa05e8d16-20200508 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:Message-ID:Date:Subject:CC:To:From; bh=q41jnBLZkm5OYDzNGhSl4Dj8ltKLKW6wmqZStHtz2CA=; b=QzDKXpbm3bkTCmkLMebgJgCfKKMZYA2t+VS2l7NzhWVBiFaczjvlhKJxVJri6zV3cfmg1gSY93jJmtp8eNGZMLK6GqZnlr3GM9Ei6aRF3rSK8wREafFtZLs8bt8oL7HqLlxqmy+Ag7DyC+V3en1fgzqzJS9qff3lp+Zx/kuEp3A=; X-UUID: b91f84898ec4448b926120cfa05e8d16-20200508 Received: from mtkcas67.mediatek.inc [(172.29.193.45)] by mailgw02.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLS) with ESMTP id 677852807; Fri, 08 May 2020 00:01:15 -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, 8 May 2020 01:01:17 -0700 Received: from mtkcas08.mediatek.inc (172.21.101.126) by mtkmbs02n1.mediatek.inc (172.21.101.77) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Fri, 8 May 2020 16:01:17 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkcas08.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Fri, 8 May 2020 16:01:17 +0800 From: Stanley Chu To: , , , , , Subject: [PATCH v8 0/8] scsi: ufs: support LU Dedicated buffer mode for WriteBooster Date: Fri, 8 May 2020 16:01:07 +0800 Message-ID: <20200508080115.24233-1-stanley.chu@mediatek.com> X-Mailer: git-send-email 2.18.0 MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200508_010128_041612_DE65FC7E X-CRM114-Status: UNSURE ( 7.61 ) X-CRM114-Notice: Please train this message. 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: bvanassche@acm.org, andy.teng@mediatek.com, chun-hung.wu@mediatek.com, kuohong.wang@mediatek.com, linux-kernel@vger.kernel.org, cang@codeaurora.org, linux-mediatek@lists.infradead.org, peter.wang@mediatek.com, matthias.bgg@gmail.com, Stanley Chu , linux-arm-kernel@lists.infradead.org, beanhuo@micron.com Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org Hi, This patchset adds LU dedicated buffer mode support for WriteBooster. In the meanwhile, enable WriteBooster capability on MediaTek UFS platforms. v7 -> v8: - In exported funtion ufshcd_fixup_dev_quirks(), add null checking for parameter "fixups" (Avri Altman) v6 -> v7: - Add device descriptor length check in ufshcd_wb_probe() back to prevent out-of-boundary access in ufshcd_wb_probe() - Fix the check of device descriptor length (Avri Altman) - Provide a new ufs_fixup_device_setup() function to pack both device fixup methods by general quirk table and vendor-specific way (Avri Altman) v5 -> v6: - Remove device descriptor length check in ufshcd_wb_probe() v4 -> v5: - Check LUN ID for available WriteBooster buffer only from 0 to 7 according to spec (Avri Altman) - Skip checking any possible errors from ufshcd_read_unit_desc_param(hba, lun, UNIT_DESC_PARAM_WB_BUF_ALLOC_UNITS) in ufshcd_wb_probe() and check returned d_lu_wb_buf_alloc (shall be zero if error happens) (Avri Altman) v3 -> v4: - Introduce "fixup_dev_quirks" vops to allow vendors to fix and modify device quirks, and provide an initial vendor-specific device quirk table on MediaTek UFS platforms - Avoid relying on common device quirk table for pre-3.1 UFS device with non-standard WriteBooster support (Can Guo) - Fix comments for ufshcd_wb_probe() (Can Guo) - Make ufshcd_wb_get_flag_index() inline and fix ufshcd_is_wb_flags() (Avri Altman) v2 -> v3: - Introduce a device quirk to support WriteBooster in pre-3.1 UFS devices (Avri Altman) - Fix WriteBooster related sysfs nodes. Now all WriteBooster related sysfs nodes are specifically mapped to the LUN with WriteBooster enabled in LU Dedicated buffer mode (Avri Altman) v1 -> v2: - Change the definition name of WriteBooster buffer mode to correspond to specification (Bean Huo) - Add patch #5: "scsi: ufs: cleanup WriteBooster feature" Stanley Chu (8): scsi: ufs: enable WriteBooster on some pre-3.1 UFS devices scsi: ufs: introduce fixup_dev_quirks vops scsi: ufs: export ufs_fixup_device_setup() function scsi: ufs-mediatek: add fixup_dev_quirks vops scsi: ufs: add "index" in parameter list of ufshcd_query_flag() scsi: ufs: add LU Dedicated buffer mode support for WriteBooster scsi: ufs-mediatek: enable WriteBooster capability scsi: ufs: cleanup WriteBooster feature drivers/scsi/ufs/ufs-mediatek.c | 25 ++++- drivers/scsi/ufs/ufs-sysfs.c | 11 ++- drivers/scsi/ufs/ufs.h | 10 ++ drivers/scsi/ufs/ufs_quirks.h | 7 ++ drivers/scsi/ufs/ufshcd.c | 166 +++++++++++++++++++++----------- drivers/scsi/ufs/ufshcd.h | 19 +++- 6 files changed, 176 insertions(+), 62 deletions(-) -- 2.18.0 _______________________________________________ Linux-mediatek mailing list Linux-mediatek@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-mediatek 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=-3.7 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,UNPARSEABLE_RELAY,URIBL_BLOCKED,USER_AGENT_GIT autolearn=no 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 485D1C47247 for ; Fri, 8 May 2020 08:02:03 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 21C38216FD for ; Fri, 8 May 2020 08:02:03 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="biPzowrl"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=mediatek.com header.i=@mediatek.com header.b="QzDKXpbm" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 21C38216FD 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-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org 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: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:In-Reply-To:References: List-Owner; bh=ZbxfcN0RcIsAmZci0M8hrys7nBI8MEDgLPP/kex7VtA=; b=biPzowrl9ZSfcE M0o6dMYAkDhEEsQyEr6IEyQUv0VbiDxNuhiD+jCUh0I2Y/I9IoXUgzQq9dEzUa2ZeFGQukwL+I2YU 7CLto88T+7xEHSwe75beNUruxrSwWjE9+L//yeAc35BT2p04OUIveszLptZ/juo3HR9mk+AZafQq+ N48vQ6uFw/nI75cH/1PD/pWpgpy2lsnirv+WzPX+/ycDiYXYclKfV/kaypx9C6lEet+sinDxGoAqO Kf2Cl7vBP+hhsWs7SLj+6xp5GAsW/vfNuqUWqBHQQsEwkThsPoUBhOJXAPFfpU4+YibDetol/lccO Bg6qO7KJqS2B6TG3VEMQ==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1jWxxK-0000Ae-EG; Fri, 08 May 2020 08:02:02 +0000 Received: from mailgw02.mediatek.com ([216.200.240.185]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1jWxwl-0007wT-Vx; Fri, 08 May 2020 08:01:29 +0000 X-UUID: b91f84898ec4448b926120cfa05e8d16-20200508 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:Message-ID:Date:Subject:CC:To:From; bh=q41jnBLZkm5OYDzNGhSl4Dj8ltKLKW6wmqZStHtz2CA=; b=QzDKXpbm3bkTCmkLMebgJgCfKKMZYA2t+VS2l7NzhWVBiFaczjvlhKJxVJri6zV3cfmg1gSY93jJmtp8eNGZMLK6GqZnlr3GM9Ei6aRF3rSK8wREafFtZLs8bt8oL7HqLlxqmy+Ag7DyC+V3en1fgzqzJS9qff3lp+Zx/kuEp3A=; X-UUID: b91f84898ec4448b926120cfa05e8d16-20200508 Received: from mtkcas67.mediatek.inc [(172.29.193.45)] by mailgw02.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLS) with ESMTP id 677852807; Fri, 08 May 2020 00:01:15 -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, 8 May 2020 01:01:17 -0700 Received: from mtkcas08.mediatek.inc (172.21.101.126) by mtkmbs02n1.mediatek.inc (172.21.101.77) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Fri, 8 May 2020 16:01:17 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkcas08.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Fri, 8 May 2020 16:01:17 +0800 From: Stanley Chu To: , , , , , Subject: [PATCH v8 0/8] scsi: ufs: support LU Dedicated buffer mode for WriteBooster Date: Fri, 8 May 2020 16:01:07 +0800 Message-ID: <20200508080115.24233-1-stanley.chu@mediatek.com> X-Mailer: git-send-email 2.18.0 MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200508_010128_041612_DE65FC7E X-CRM114-Status: UNSURE ( 7.61 ) 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: bvanassche@acm.org, andy.teng@mediatek.com, chun-hung.wu@mediatek.com, kuohong.wang@mediatek.com, linux-kernel@vger.kernel.org, cang@codeaurora.org, linux-mediatek@lists.infradead.org, peter.wang@mediatek.com, matthias.bgg@gmail.com, Stanley Chu , linux-arm-kernel@lists.infradead.org, beanhuo@micron.com Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org Hi, This patchset adds LU dedicated buffer mode support for WriteBooster. In the meanwhile, enable WriteBooster capability on MediaTek UFS platforms. v7 -> v8: - In exported funtion ufshcd_fixup_dev_quirks(), add null checking for parameter "fixups" (Avri Altman) v6 -> v7: - Add device descriptor length check in ufshcd_wb_probe() back to prevent out-of-boundary access in ufshcd_wb_probe() - Fix the check of device descriptor length (Avri Altman) - Provide a new ufs_fixup_device_setup() function to pack both device fixup methods by general quirk table and vendor-specific way (Avri Altman) v5 -> v6: - Remove device descriptor length check in ufshcd_wb_probe() v4 -> v5: - Check LUN ID for available WriteBooster buffer only from 0 to 7 according to spec (Avri Altman) - Skip checking any possible errors from ufshcd_read_unit_desc_param(hba, lun, UNIT_DESC_PARAM_WB_BUF_ALLOC_UNITS) in ufshcd_wb_probe() and check returned d_lu_wb_buf_alloc (shall be zero if error happens) (Avri Altman) v3 -> v4: - Introduce "fixup_dev_quirks" vops to allow vendors to fix and modify device quirks, and provide an initial vendor-specific device quirk table on MediaTek UFS platforms - Avoid relying on common device quirk table for pre-3.1 UFS device with non-standard WriteBooster support (Can Guo) - Fix comments for ufshcd_wb_probe() (Can Guo) - Make ufshcd_wb_get_flag_index() inline and fix ufshcd_is_wb_flags() (Avri Altman) v2 -> v3: - Introduce a device quirk to support WriteBooster in pre-3.1 UFS devices (Avri Altman) - Fix WriteBooster related sysfs nodes. Now all WriteBooster related sysfs nodes are specifically mapped to the LUN with WriteBooster enabled in LU Dedicated buffer mode (Avri Altman) v1 -> v2: - Change the definition name of WriteBooster buffer mode to correspond to specification (Bean Huo) - Add patch #5: "scsi: ufs: cleanup WriteBooster feature" Stanley Chu (8): scsi: ufs: enable WriteBooster on some pre-3.1 UFS devices scsi: ufs: introduce fixup_dev_quirks vops scsi: ufs: export ufs_fixup_device_setup() function scsi: ufs-mediatek: add fixup_dev_quirks vops scsi: ufs: add "index" in parameter list of ufshcd_query_flag() scsi: ufs: add LU Dedicated buffer mode support for WriteBooster scsi: ufs-mediatek: enable WriteBooster capability scsi: ufs: cleanup WriteBooster feature drivers/scsi/ufs/ufs-mediatek.c | 25 ++++- drivers/scsi/ufs/ufs-sysfs.c | 11 ++- drivers/scsi/ufs/ufs.h | 10 ++ drivers/scsi/ufs/ufs_quirks.h | 7 ++ drivers/scsi/ufs/ufshcd.c | 166 +++++++++++++++++++++----------- drivers/scsi/ufs/ufshcd.h | 19 +++- 6 files changed, 176 insertions(+), 62 deletions(-) -- 2.18.0 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel