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,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 53116C433E0 for ; Wed, 31 Mar 2021 07:40:55 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 168C9619B9 for ; Wed, 31 Mar 2021 07:40:55 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234100AbhCaHkY (ORCPT ); Wed, 31 Mar 2021 03:40:24 -0400 Received: from esa5.hgst.iphmx.com ([216.71.153.144]:44523 "EHLO esa5.hgst.iphmx.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234074AbhCaHkK (ORCPT ); Wed, 31 Mar 2021 03:40:10 -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=1617176410; x=1648712410; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=xR7BmbkW2ps4Me2oZXCQOwYznBQj5YfqtZ49LQFVlVk=; b=NDkJi0UYP7QQl2cs8HVak7jx7PPLoNAXKVKIdHE5+K8tW29NqpUAVazu IL7M5KAwUGoojB9eTD+lgBgSD9MS2YZdiXvxsmq/WQf4Ik9Rvgudb/kdX TMt7cvody+WzCGUKnvgWb5IddQZ1biwNMB1sJLkhAMpES3iAaeHwrSu5F gYgknGdIUCMDsFnCBGKo7lm/XfcjcUsQRDu+5E2svEDh/4XQIQG7vR5NR 8ZetGkj2G9jNT3V7nMfHXRdLkEjujQMMuz0MW54HcQQrVXuy6o2wjHqrc jAWUfw7sJup6Y7EOXlg9SPu6BXj7NONfzVPQ/hXhxUuGWPDNM+BKIgemm w==; IronPort-SDR: d5hlt+bT/57y9CJ6wDipTxOin28pJq6isAlGbq/gJM0rKPj+38yzKZG2UoJsfuq/siGDZ2cq6W aIoWH/s5OIUQYoRfmsw0YfsJUsYrVEBG8U+mmLq+Gu86JSOntz7dtSawqLLq5HZmZe81f2s/pZ LfSryb5z1pVAkol++OmKjJv4tdLmbcw8NiODgodwnhf0XTyLiNucrYUXEKZAE9xkQBPCEBMzmo 6PMEjRPsgs36lEyT4f4+rjuRtFZ6kXgAFFWGIfnA0yj8ltbYTzD52QOXzsR7O/aeEBLuvl3um0 ujY= X-IronPort-AV: E=Sophos;i="5.81,293,1610380800"; d="scan'208";a="163422235" Received: from uls-op-cesaip02.wdc.com (HELO uls-op-cesaep02.wdc.com) ([199.255.45.15]) by ob1.hgst.iphmx.com with ESMTP; 31 Mar 2021 15:40:09 +0800 IronPort-SDR: ljXb5pPMfMYTyllauoCVn7+xEQeBa360pzoaDHYqqyMBEyw5kG9oqgw05MhTS7wWQWZEzWI2fK s/BP7ghn/g3Yv9FOkoMu1DHHyUbFjmn6lIFZ9S11Oq95EmdN9ptY8vQzgh8vnbO9N8d0/NVTyC /3W8WIl0JKk4upFPYBhaIDY4oAQIpmFJmP+gZHCNS69/ArrQIFAu/auEI/WE0BInWjkn4iu/vw JWgvOrauTmjFlQtpmpNM95KtrT1fr4NK2dr52YxInEBZi8hdlbRsS1njMat+s5HFBA12wOonRG xi+Y4L/ARUVq4AskmqJ/IaRR 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; 31 Mar 2021 00:20:22 -0700 IronPort-SDR: q1/3aMUa2Cvb2QpLUU8z5ZLD8D555kj5XgX39+xcEwPfaJfu+xByli25WCpKBVZ3NQY2AoaW6M JsV73Jg4+B7EOBMCl8bPu0wQ3EEIuCEt4Dt02M5j6Mzuag2anJrpfmvk4nsheeHbsusIJEYW6/ CoCDx9mdK/3oIq45Nl5prFz1Uh3vSc5y4wNIpn2nwALiqf4xZwYx5uu38BYA3+LOBg6DFw6qQu usC8Mu+uDho8nmxjTlCYGbz43UYpyeU4BC1tRgEh8U3Hhg7f++lpwQUGBHEjYc/oPEZk5mzAHK Z+I= WDCIronportException: Internal Received: from bxygm33.sdcorp.global.sandisk.com ([10.0.231.247]) by uls-op-cesaip01.wdc.com with ESMTP; 31 Mar 2021 00:40:05 -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 v7 01/11] scsi: ufshpb: Cache HPB Control mode on init Date: Wed, 31 Mar 2021 10:39:42 +0300 Message-Id: <20210331073952.102162-2-avri.altman@wdc.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210331073952.102162-1-avri.altman@wdc.com> References: <20210331073952.102162-1-avri.altman@wdc.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@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 4dbe9bc60e85..c01f75963750 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 86805af9abe7..5285a50b05dd 100644 --- a/drivers/scsi/ufs/ufshpb.c +++ b/drivers/scsi/ufs/ufshpb.c @@ -1615,6 +1615,9 @@ 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) @@ -2308,11 +2311,10 @@ 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