From patchwork Fri Jun 9 15:17:56 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: 13274110 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 346B4C7EE25 for ; Fri, 9 Jun 2023 15:18:35 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S241045AbjFIPSe (ORCPT ); Fri, 9 Jun 2023 11:18:34 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53242 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232115AbjFIPSd (ORCPT ); Fri, 9 Jun 2023 11:18:33 -0400 Received: from mailgw01.mediatek.com (unknown [60.244.123.138]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 138C51FF3; Fri, 9 Jun 2023 08:18:31 -0700 (PDT) X-UUID: e221ff0006d811ee9cb5633481061a41-20230609 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=xPkoBcwjyYTSPz1LyWSxcaQhJhhX/FEj4bDi0Ufup8o=; b=ZV1Sd2VVuMheYo3RXUK2/FFA55uR9m2ze6i3uv0KDi6njdAMg+7PGdQ+KSaptMQDJ3ReAuPq1DcejOzNDACREUKUzq/tZbORcHcgx3so2iXfbLJ0slNGMCRncbxQ8outYEaYoNJHW7LnqCOM6LHv4MkfbmYFO/yLUHVq54l+rmY=; X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.1.26,REQID:ce11577c-6216-4d3a-b278-4fc9d175a091,IP:0,U RL:0,TC:0,Content:-25,EDM:0,RT:0,SF:0,FILE:0,BULK:0,RULE:Release_Ham,ACTIO N:release,TS:-25 X-CID-META: VersionHash:cb9a4e1,CLOUDID:8afd966e-2f20-4998-991c-3b78627e4938,B ulkID:nil,BulkQuantity:0,Recheck:0,SF:102,TC:nil,Content:0,EDM:-3,IP:nil,U RL:0,File:nil,Bulk:nil,QS:nil,BEC:nil,COL:0,OSI:0,OSA:0,AV:0,LES:1,SPR:NO X-CID-BVR: 0 X-CID-BAS: 0,_,0,_ X-CID-FACTOR: TF_CID_SPAM_SNR X-UUID: e221ff0006d811ee9cb5633481061a41-20230609 Received: from mtkmbs11n2.mediatek.inc [(172.21.101.187)] by mailgw01.mediatek.com (envelope-from ) (Generic MTA with TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384 256/256) with ESMTP id 163635738; Fri, 09 Jun 2023 23:18:27 +0800 Received: from mtkmbs13n2.mediatek.inc (172.21.101.108) 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 15.2.1118.26; Fri, 9 Jun 2023 23:18:26 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkmbs13n2.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.1118.26 via Frontend Transport; Fri, 9 Jun 2023 23:18:26 +0800 From: Po-Wen Kao To: , , , , Alim Akhtar , Avri Altman , Bart Van Assche , "James E.J. Bottomley" , "Martin K. Petersen" , Matthias Brugger , AngeloGioacchino Del Regno CC: , , , , , , , , Subject: [PATCH v1 2/2] scsi: ufs: core: Remove dedicated hwq for dev command Date: Fri, 9 Jun 2023 23:17:56 +0800 Message-ID: <20230609151758.19070-2-powen.kao@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20230609151758.19070-1-powen.kao@mediatek.com> References: <20230609151758.19070-1-powen.kao@mediatek.com> MIME-Version: 1.0 X-MTK: N Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org Based on "scsi: ufs: mcq: Fix the incorrect OCS value for the device command" which take care of OCS value of dev commands under mcq mode, we are safe to share first hwq for dev commnad and IO request Signed-off-by: Po-Wen Kao --- drivers/ufs/core/ufs-mcq.c | 14 ++++---------- drivers/ufs/core/ufshcd-priv.h | 1 - drivers/ufs/core/ufshcd.c | 4 ++-- 3 files changed, 6 insertions(+), 13 deletions(-) diff --git a/drivers/ufs/core/ufs-mcq.c b/drivers/ufs/core/ufs-mcq.c index 785fc9762cad..9f70abbaa4ad 100644 --- a/drivers/ufs/core/ufs-mcq.c +++ b/drivers/ufs/core/ufs-mcq.c @@ -20,12 +20,10 @@ #define MAX_QUEUE_SUP GENMASK(7, 0) #define UFS_MCQ_MIN_RW_QUEUES 2 #define UFS_MCQ_MIN_READ_QUEUES 0 -#define UFS_MCQ_NUM_DEV_CMD_QUEUES 1 #define UFS_MCQ_MIN_POLL_QUEUES 0 #define QUEUE_EN_OFFSET 31 #define QUEUE_ID_OFFSET 16 -#define MAX_DEV_CMD_ENTRIES 2 #define MCQ_CFG_MAC_MASK GENMASK(16, 8) #define MCQ_QCFG_SIZE 0x40 #define MCQ_ENTRY_SIZE_IN_DWORD 8 @@ -115,8 +113,7 @@ struct ufs_hw_queue *ufshcd_mcq_req_to_hwq(struct ufs_hba *hba, u32 utag = blk_mq_unique_tag(req); u32 hwq = blk_mq_unique_tag_to_hwq(utag); - /* uhq[0] is used to serve device commands */ - return &hba->uhq[hwq + UFSHCD_MCQ_IO_QUEUE_OFFSET]; + return &hba->uhq[hwq]; } /** @@ -160,8 +157,7 @@ static int ufshcd_mcq_config_nr_queues(struct ufs_hba *hba) /* maxq is 0 based value */ hba_maxq = FIELD_GET(MAX_QUEUE_SUP, hba->mcq_capabilities) + 1; - tot_queues = UFS_MCQ_NUM_DEV_CMD_QUEUES + read_queues + poll_queues + - rw_queues; + tot_queues = read_queues + poll_queues + rw_queues; if (hba_maxq < tot_queues) { dev_err(hba->dev, "Total queues (%d) exceeds HC capacity (%d)\n", @@ -169,7 +165,7 @@ static int ufshcd_mcq_config_nr_queues(struct ufs_hba *hba) return -EOPNOTSUPP; } - rem = hba_maxq - UFS_MCQ_NUM_DEV_CMD_QUEUES; + rem = hba_maxq; if (rw_queues) { hba->nr_queues[HCTX_TYPE_DEFAULT] = rw_queues; @@ -195,7 +191,7 @@ static int ufshcd_mcq_config_nr_queues(struct ufs_hba *hba) for (i = 0; i < HCTX_MAX_TYPES; i++) host->nr_hw_queues += hba->nr_queues[i]; - hba->nr_hw_queues = host->nr_hw_queues + UFS_MCQ_NUM_DEV_CMD_QUEUES; + hba->nr_hw_queues = host->nr_hw_queues; return 0; } @@ -445,8 +441,6 @@ int ufshcd_mcq_init(struct ufs_hba *hba) /* The very first HW queue serves device commands */ hba->dev_cmd_queue = &hba->uhq[0]; - /* Give dev_cmd_queue the minimal number of entries */ - hba->dev_cmd_queue->max_entries = MAX_DEV_CMD_ENTRIES; host->host_tagset = 1; return 0; diff --git a/drivers/ufs/core/ufshcd-priv.h b/drivers/ufs/core/ufshcd-priv.h index aa88e60ea1f6..9566a95aeed9 100644 --- a/drivers/ufs/core/ufshcd-priv.h +++ b/drivers/ufs/core/ufshcd-priv.h @@ -84,7 +84,6 @@ int ufshcd_try_to_abort_task(struct ufs_hba *hba, int tag); void ufshcd_release_scsi_cmd(struct ufs_hba *hba, struct ufshcd_lrb *lrbp); -#define UFSHCD_MCQ_IO_QUEUE_OFFSET 1 #define SD_ASCII_STD true #define SD_RAW false int ufshcd_read_string_desc(struct ufs_hba *hba, u8 desc_index, diff --git a/drivers/ufs/core/ufshcd.c b/drivers/ufs/core/ufshcd.c index df8782981d8c..ad0ab668fecd 100644 --- a/drivers/ufs/core/ufshcd.c +++ b/drivers/ufs/core/ufshcd.c @@ -5504,7 +5504,7 @@ static int ufshcd_poll(struct Scsi_Host *shost, unsigned int queue_num) struct ufs_hw_queue *hwq; if (is_mcq_enabled(hba)) { - hwq = &hba->uhq[queue_num + UFSHCD_MCQ_IO_QUEUE_OFFSET]; + hwq = &hba->uhq[queue_num]; return ufshcd_mcq_poll_cqe_lock(hba, hwq); } @@ -5558,7 +5558,7 @@ static void ufshcd_mcq_compl_pending_transfer(struct ufs_hba *hba, utag = blk_mq_unique_tag(scsi_cmd_to_rq(cmd)); hwq_num = blk_mq_unique_tag_to_hwq(utag); - hwq = &hba->uhq[hwq_num + UFSHCD_MCQ_IO_QUEUE_OFFSET]; + hwq = &hba->uhq[hwq_num]; if (force_compl) { ufshcd_mcq_compl_all_cqes_lock(hba, hwq);