From patchwork Tue Feb 21 15:29:14 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Po-Wen Kao X-Patchwork-Id: 655942 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 7E187C61DA3 for ; Tue, 21 Feb 2023 15:30:30 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234346AbjBUPa3 (ORCPT ); Tue, 21 Feb 2023 10:30:29 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49948 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234299AbjBUPa2 (ORCPT ); Tue, 21 Feb 2023 10:30:28 -0500 Received: from mailgw01.mediatek.com (unknown [60.244.123.138]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E68F72A9B7; Tue, 21 Feb 2023 07:30:22 -0800 (PST) X-UUID: a52241f4b1fc11eda06fc9ecc4dadd91-20230221 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mediatek.com; s=dk; h=Content-Type:MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:CC:To:From; bh=qiXKBdJvpGcW+bbnMtLmZHblr0j8UU3OpwdEjp5a9jI=; b=FLfKG5gJSdPEnXqjdzzlPtv0LB0XQH4Lmvtv8mFlJY6jqVPD/cFJXXi62qxhusDooMkMY4EZ29UWylxqDtifLN7QqMuLC8PxCP+bS1BsibcbFj2RdAGh0/S/VGgpoNjAAS5egBsdyFOGDpZH2tVQJWeBqjlYTSHqENIK3Pk5s3Q=; X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.1.20, REQID:67f73582-2f5f-4df4-9cf2-8855f83f1024, IP:0, U RL:0,TC:0,Content:-25,EDM:0,RT:0,SF:95,FILE:0,BULK:0,RULE:Release_Ham,ACTI ON:release,TS:70 X-CID-INFO: VERSION:1.1.20, REQID:67f73582-2f5f-4df4-9cf2-8855f83f1024, IP:0, URL :0,TC:0,Content:-25,EDM:0,RT:0,SF:95,FILE:0,BULK:0,RULE:Spam_GS981B3D,ACTI ON:quarantine,TS:70 X-CID-META: VersionHash:25b5999, CLOUDID:5e11b0f3-ddba-41c3-91d9-10eeade8eac7, B ulkID:230221233018K1JW5WVB,BulkQuantity:0,Recheck:0,SF:38|29|28|17|19|48,T C:nil,Content:0,EDM:-3,IP:nil,URL:0,File:nil,Bulk:nil,QS:nil,BEC:nil,COL:0 ,OSI:0,OSA:0,AV:0 X-CID-BVR: 0,NGT X-UUID: a52241f4b1fc11eda06fc9ecc4dadd91-20230221 Received: from mtkmbs13n1.mediatek.inc [(172.21.101.193)] by mailgw01.mediatek.com (envelope-from ) (Generic MTA with TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384 256/256) with ESMTP id 1450597237; Tue, 21 Feb 2023 23:30:17 +0800 Received: from mtkmbs11n2.mediatek.inc (172.21.101.187) by mtkmbs10n2.mediatek.inc (172.21.101.183) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.792.3; Tue, 21 Feb 2023 23:30:16 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkmbs11n2.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.792.15 via Frontend Transport; Tue, 21 Feb 2023 23:30:16 +0800 From: Po-Wen Kao To: Alim Akhtar , Avri Altman , Bart Van Assche , "James E.J. Bottomley" , "Martin K. Petersen" , Matthias Brugger CC: , , , , , , , , , , , , , , , Subject: [PATCH 1/4] scsi: ufs: core: Fix mcq tag calcualtion Date: Tue, 21 Feb 2023 23:29:14 +0800 Message-ID: <20230221152919.25837-2-powen.kao@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20230221152919.25837-1-powen.kao@mediatek.com> References: <20230221152919.25837-1-powen.kao@mediatek.com> MIME-Version: 1.0 X-MTK: N Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org Transfer command descriptor is allocated in ufshcd_memory_alloc() and referenced by transfer request descriptor with stride size sizeof_utp_transfer_cmd_desc() instead of sizeof(struct utp_transfer_cmd_desc). Consequently, computing tag by address offset should also refer to the same stride. As suggested, sizeof_utp_transfer_cmd_desc() is further renamed to ufshcd_get_ucd_size(). Signed-off-by: Po-Wen Kao --- drivers/ufs/core/ufs-mcq.c | 2 +- drivers/ufs/core/ufshcd.c | 8 ++++---- include/ufs/ufshcd.h | 2 +- 3 files changed, 6 insertions(+), 6 deletions(-) diff --git a/drivers/ufs/core/ufs-mcq.c b/drivers/ufs/core/ufs-mcq.c index 31df052fbc41..a39746b2a8be 100644 --- a/drivers/ufs/core/ufs-mcq.c +++ b/drivers/ufs/core/ufs-mcq.c @@ -265,7 +265,7 @@ static int ufshcd_mcq_get_tag(struct ufs_hba *hba, addr = (le64_to_cpu(cqe->command_desc_base_addr) & CQE_UCD_BA) - hba->ucdl_dma_addr; - return div_u64(addr, sizeof(struct utp_transfer_cmd_desc)); + return div_u64(addr, ufshcd_get_ucd_size(hba)); } static void ufshcd_mcq_process_cqe(struct ufs_hba *hba, diff --git a/drivers/ufs/core/ufshcd.c b/drivers/ufs/core/ufshcd.c index 3b3cf78d3b10..81c9f07ebfc8 100644 --- a/drivers/ufs/core/ufshcd.c +++ b/drivers/ufs/core/ufshcd.c @@ -2823,10 +2823,10 @@ static void ufshcd_map_queues(struct Scsi_Host *shost) static void ufshcd_init_lrb(struct ufs_hba *hba, struct ufshcd_lrb *lrb, int i) { struct utp_transfer_cmd_desc *cmd_descp = (void *)hba->ucdl_base_addr + - i * sizeof_utp_transfer_cmd_desc(hba); + i * ufshcd_get_ucd_size(hba); struct utp_transfer_req_desc *utrdlp = hba->utrdl_base_addr; dma_addr_t cmd_desc_element_addr = hba->ucdl_dma_addr + - i * sizeof_utp_transfer_cmd_desc(hba); + i * ufshcd_get_ucd_size(hba); u16 response_offset = offsetof(struct utp_transfer_cmd_desc, response_upiu); u16 prdt_offset = offsetof(struct utp_transfer_cmd_desc, prd_table); @@ -3735,7 +3735,7 @@ static int ufshcd_memory_alloc(struct ufs_hba *hba) size_t utmrdl_size, utrdl_size, ucdl_size; /* Allocate memory for UTP command descriptors */ - ucdl_size = sizeof_utp_transfer_cmd_desc(hba) * hba->nutrs; + ucdl_size = ufshcd_get_ucd_size(hba) * hba->nutrs; hba->ucdl_base_addr = dmam_alloc_coherent(hba->dev, ucdl_size, &hba->ucdl_dma_addr, @@ -3835,7 +3835,7 @@ static void ufshcd_host_memory_configure(struct ufs_hba *hba) prdt_offset = offsetof(struct utp_transfer_cmd_desc, prd_table); - cmd_desc_size = sizeof_utp_transfer_cmd_desc(hba); + cmd_desc_size = ufshcd_get_ucd_size(hba); cmd_desc_dma_addr = hba->ucdl_dma_addr; for (i = 0; i < hba->nutrs; i++) { diff --git a/include/ufs/ufshcd.h b/include/ufs/ufshcd.h index ed9e3d5addb3..8f79cca449e1 100644 --- a/include/ufs/ufshcd.h +++ b/include/ufs/ufshcd.h @@ -1136,7 +1136,7 @@ static inline size_t ufshcd_sg_entry_size(const struct ufs_hba *hba) ({ (void)(hba); BUILD_BUG_ON(sg_entry_size != sizeof(struct ufshcd_sg_entry)); }) #endif -static inline size_t sizeof_utp_transfer_cmd_desc(const struct ufs_hba *hba) +static inline size_t ufshcd_get_ucd_size(const struct ufs_hba *hba) { return sizeof(struct utp_transfer_cmd_desc) + SG_ALL * ufshcd_sg_entry_size(hba); }