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=-16.6 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham 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 0AF0EC433E0 for ; Mon, 22 Mar 2021 08:11:59 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id C1ACA61967 for ; Mon, 22 Mar 2021 08:11:58 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229884AbhCVIL3 (ORCPT ); Mon, 22 Mar 2021 04:11:29 -0400 Received: from esa5.hgst.iphmx.com ([216.71.153.144]:12210 "EHLO esa5.hgst.iphmx.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229665AbhCVILU (ORCPT ); Mon, 22 Mar 2021 04:11:20 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=wdc.com; i=@wdc.com; q=dns/txt; s=dkim.wdc.com; t=1616400680; x=1647936680; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=A/BWKyqbb5b9YNlkuA43uMDV7ABc+VNdO2ypJNrR2us=; b=MogD9Mt+WF/SWPQTJ6arZ6UKv9++ZG0RzNf/KE7EvtOqIfsaZk1PNmai XT2uxB1eGSmfbzsUdS87sJm1CuwPwprLr/Mx8XHrXVIyOghhbfL802Qtc BTYAbsBVzVHaf9hDLW5lHN8BPhUAZprI4UBFaQ3JDTd8yXkeIiiUSNUuw TLNaYalY4EpgbQ+T6PUMtse1Q1TSEmkRHiatkE0herCyUPr937WeExHBP fWSPk0HPEVMCpWAYhyercoqu5oF41W1ad3EcCv5mm5s/TKlx5zg3G5Hnq VWUYOrtdA9A30pXCOoRV3ViDTbWippXmJj+ywDcOG5q4oRLKGd5A5DGRR g==; IronPort-SDR: 9eQJMWbeBijBQd8lZoXUil5cEEknS/Y09sM7u4xqsdTIfSJo7h4EWiTWLZ93zoXfIzeZS1oo87 gFw9TXPg4bRLOIKGhO6DDZEotqy6Q4FwBLCYMzekVhwl0mKovFzur+CxfWHkXiAiatZBC/ZYCE LQ2a8nbsNdycXljAAz67ya8lLrBJAzeRqHMflUFR6UVm1mRli3hn2XnrUHwE4bpt/w++m65K/S N7n48NAkYlITeZGh1itMOvLC+1+UkZ3UZLPLDVqILjMo8/F7ZnDUwh4sONPXdk36/GjubCFkFI A3Y= X-IronPort-AV: E=Sophos;i="5.81,268,1610380800"; d="scan'208";a="162682959" Received: from uls-op-cesaip02.wdc.com (HELO uls-op-cesaep02.wdc.com) ([199.255.45.15]) by ob1.hgst.iphmx.com with ESMTP; 22 Mar 2021 16:11:20 +0800 IronPort-SDR: gZM49Lb7UJBtaHEb+L4rU6gSL7ysabYywnwUtGcamclE9JCBWNGj4LHHmMjL1GQsUWulaqzVdB 3Sb3eA8o1Hbss4YHlXuSviCtNNraH0Dy03yzoTKsLC5bPhW/ta9BWeYMCNU5VG/zGFPo4+qt65 rbbfIqHWAEMThYZYbCI2JGNB0Tfh6CN8vo/N6zUP99wpqRxYdr4OAy9f5m2Yr0SpBZEvg+iro/ Tc9FThtQLBMGxTuHncfHISocteZBDu8v111cL9oEFyND9zQrYk9LsLYZFOb0JvgjTmDKNqy6cE yC+hw75qPlHOTm5h8RCy4hwf Received: from uls-op-cesaip01.wdc.com ([10.248.3.36]) by uls-op-cesaep02.wdc.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 22 Mar 2021 00:51:49 -0700 IronPort-SDR: yQRtS1XX2u9iuBHIC5U4bv2u6GtTPupFb6bmNy+UK6RmZ3lryWv5hE6eHPE1cSZ8/68vRsPuzT xa7LN98fryUk+2/6itmBMxK1UxYwyQsb6W+3d2FhZ12j3CFYWYpyAJ5MVcX93Ilswhr70Bf3J8 Ar1G4X3itRSr6H/AU+fcTfFI2SnzUeBxcQNDO6aH2Et5Xem+iEEGKFq5ChCl3we3RBh4aGzUCc lk/H14oLq2E+UegXxZbLIcmHF5zW2vZtveUaad7PPeKzix59dBxIINAh8nvquVu10041I4LJUE +6M= WDCIronportException: Internal Received: from bxygm33.sdcorp.global.sandisk.com ([10.0.231.247]) by uls-op-cesaip01.wdc.com with ESMTP; 22 Mar 2021 01:11:16 -0700 From: Avri Altman To: "James E . J . Bottomley" , "Martin K . Petersen" , linux-scsi@vger.kernel.org, linux-kernel@vger.kernel.org Cc: gregkh@linuxfoundation.org, Bart Van Assche , yongmyung lee , Daejun Park , alim.akhtar@samsung.com, asutoshd@codeaurora.org, Zang Leigang , Avi Shchislowski , Bean Huo , cang@codeaurora.org, stanley.chu@mediatek.com, Avri Altman Subject: [PATCH v6 01/10] scsi: ufshpb: Cache HPB Control mode on init Date: Mon, 22 Mar 2021 10:10:35 +0200 Message-Id: <20210322081044.62003-2-avri.altman@wdc.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210322081044.62003-1-avri.altman@wdc.com> References: <20210322081044.62003-1-avri.altman@wdc.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org We will use it later, when we'll need to differentiate between device and host control modes. Signed-off-by: Avri Altman --- drivers/scsi/ufs/ufshcd.h | 2 ++ drivers/scsi/ufs/ufshpb.c | 8 +++++--- drivers/scsi/ufs/ufshpb.h | 2 ++ 3 files changed, 9 insertions(+), 3 deletions(-) diff --git a/drivers/scsi/ufs/ufshcd.h b/drivers/scsi/ufs/ufshcd.h index 8aca8f327981..a578927d9c59 100644 --- a/drivers/scsi/ufs/ufshcd.h +++ b/drivers/scsi/ufs/ufshcd.h @@ -656,6 +656,7 @@ struct ufs_hba_variant_params { * @hpb_disabled: flag to check if HPB is disabled * @max_hpb_single_cmd: maximum size of single HPB command * @is_legacy: flag to check HPB 1.0 + * @control_mode: either host or device */ struct ufshpb_dev_info { int num_lu; @@ -665,6 +666,7 @@ struct ufshpb_dev_info { bool hpb_disabled; int max_hpb_single_cmd; bool is_legacy; + u8 control_mode; }; #endif diff --git a/drivers/scsi/ufs/ufshpb.c b/drivers/scsi/ufs/ufshpb.c index 3ac8b0a9e8d3..fb10afcbb49f 100644 --- a/drivers/scsi/ufs/ufshpb.c +++ b/drivers/scsi/ufs/ufshpb.c @@ -1616,6 +1616,9 @@ static void ufshpb_lu_parameter_init(struct ufs_hba *hba, % (hpb->srgn_mem_size / HPB_ENTRY_SIZE); hpb->pages_per_srgn = DIV_ROUND_UP(hpb->srgn_mem_size, PAGE_SIZE); + + if (hpb_dev_info->control_mode == HPB_HOST_CONTROL) + hpb->is_hcm = true; } static int ufshpb_alloc_region_tbl(struct ufs_hba *hba, struct ufshpb_lu *hpb) @@ -2309,11 +2312,10 @@ void ufshpb_get_dev_info(struct ufs_hba *hba, u8 *desc_buf) { struct ufshpb_dev_info *hpb_dev_info = &hba->ufshpb_dev; int version, ret; - u8 hpb_mode; u32 max_hpb_single_cmd = HPB_MULTI_CHUNK_LOW; - hpb_mode = desc_buf[DEVICE_DESC_PARAM_HPB_CONTROL]; - if (hpb_mode == HPB_HOST_CONTROL) { + hpb_dev_info->control_mode = desc_buf[DEVICE_DESC_PARAM_HPB_CONTROL]; + if (hpb_dev_info->control_mode == HPB_HOST_CONTROL) { dev_err(hba->dev, "%s: host control mode is not supported.\n", __func__); hpb_dev_info->hpb_disabled = true; diff --git a/drivers/scsi/ufs/ufshpb.h b/drivers/scsi/ufs/ufshpb.h index b1128b0ce486..7df30340386a 100644 --- a/drivers/scsi/ufs/ufshpb.h +++ b/drivers/scsi/ufs/ufshpb.h @@ -228,6 +228,8 @@ struct ufshpb_lu { u32 entries_per_srgn_shift; u32 pages_per_srgn; + bool is_hcm; + struct ufshpb_stats stats; struct ufshpb_params params; -- 2.25.1