From patchwork Wed Feb 22 15:12:49 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Arthur Simchaev X-Patchwork-Id: 13149256 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 E432CC61DA4 for ; Wed, 22 Feb 2023 15:13:03 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232361AbjBVPND (ORCPT ); Wed, 22 Feb 2023 10:13:03 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:59012 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232356AbjBVPNA (ORCPT ); Wed, 22 Feb 2023 10:13:00 -0500 Received: from esa5.hgst.iphmx.com (esa5.hgst.iphmx.com [216.71.153.144]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B48B376B6; Wed, 22 Feb 2023 07:12:58 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=wdc.com; i=@wdc.com; q=dns/txt; s=dkim.wdc.com; t=1677078778; x=1708614778; h=from:to:cc:subject:date:message-id:in-reply-to: references; bh=qh6V3JCVCTK+n6YBnE1F5Zo0FiUn5Q2cvmxnoYVuJVA=; b=DKe7dB9TEC7yyQFsO6xLQQG79KGf0KWZfik1PeDOAuKmJDmYTn+Zwtp+ ObQjXgbVTW3xZljIuRFX+eiXc5IdAW5S+mStXXLLq2qybV9Uy4tnAjsWE zDIxJD1ngsBZ0KLKhfpqjTrzeH/PbZDpINgUAmd+doH9TN03l9dxq+Ia0 ETyHEz5Iquxg6ld3K3UyVWl6go2Z0zGqS7f/RaANzZOO3uNTtCtpcgdxI frtw1/tAN9eS1OryV+JHraLqiNty6SkduT8q9+a76Q5XZZoFtPxg3G6D7 siOMP67miSsDMwSUCebIhD2BNb/izSxetzyjVftwoxUPrs1E7srK1V1PB w==; X-IronPort-AV: E=Sophos;i="5.97,319,1669046400"; d="scan'208";a="223701430" Received: from h199-255-45-15.hgst.com (HELO uls-op-cesaep02.wdc.com) ([199.255.45.15]) by ob1.hgst.iphmx.com with ESMTP; 22 Feb 2023 23:12:58 +0800 IronPort-SDR: l2ikg5iofzGWrMam9BghSPdIuMDng7Z5opr+sYsLF1okbmgiYENdqFbo4mYRAJ6/OXrpGevaw3 dOmFJeg8TrXo1P7LGaXUOgwFLnlAaDOwnsijBk+bAEegMm4zO8mLZd4G/IXizPB77260WuRUgp t2vRaTHoYG+Ae9Lb0omaJg7aMJLPsGrYMv+vSGfog6dO6ETphQt4BqZnsZ8ZfVbAST5d029uwh Lf/4zO6XnqIv3Cm88zenLcq64lJU7PJqWTW6Fzd+E2Kl1j0+DOu/q/IukTW3oZRmdimaWjqJ0X zVk= Received: from uls-op-cesaip01.wdc.com ([10.248.3.36]) by uls-op-cesaep02.wdc.com with ESMTP/TLS/ECDHE-RSA-AES128-GCM-SHA256; 22 Feb 2023 06:24:12 -0800 IronPort-SDR: w5gor1iuxqMw0QZPjoW0A8p/J/EYQnLm1bcni0A4xgBthPMnR87X/qABM/E1X/7ECb24ri2kMM zzG6uitHCqdeL1jTTC867ML7YfG5LWUmDg3PT2Jw80eRtvOqQ0zbIdw2qQm5bXD1ihVji2pwnr +PRvW3elZNkQ+LJcW967cj7VP/vZQ2quSII/gkIkh3T1Xcas4UZ1NAi2h+9M724aXPvQvuSB7S IosiOHd/RE/kZyHL7lWJamIcOdXmc0yrA17X+FNtkAD5jq8MRxoxCLzwgRSvAjR1p7drS2IlhU NEE= WDCIronportException: Internal Received: from ilb001078.ad.shared (HELO ilb001078.sdcorp.global.sandisk.com) ([10.45.31.219]) by uls-op-cesaip01.wdc.com with ESMTP; 22 Feb 2023 07:12:56 -0800 From: Arthur Simchaev To: martin.petersen@oracle.com Cc: beanhuo@micron.com, bvanassche@acm.org, linux-scsi@vger.kernel.org, linux-kernel@vger.kernel.org, Arthur Simchaev Subject: [PATCH 1/2] include: uapi: scsi: Change utp_upiu_query struct Date: Wed, 22 Feb 2023 17:12:49 +0200 Message-Id: <1677078770-30994-2-git-send-email-Arthur.Simchaev@wdc.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1677078770-30994-1-git-send-email-Arthur.Simchaev@wdc.com> References: <1677078770-30994-1-git-send-email-Arthur.Simchaev@wdc.com> Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org In UFS 4.0 the attribute value was extended to 8 bytes. Therefore the current definition is incorrect. Change the struct fields to osf (Opcode Specific Field) in order define the struct generally. Remove redundant reserved field Signed-off-by: Arthur Simchaev --- drivers/ufs/core/ufs_bsg.c | 2 +- drivers/ufs/core/ufshcd.c | 24 ++++++++++++------------ include/uapi/scsi/scsi_bsg_ufs.h | 17 +++++++++-------- 3 files changed, 22 insertions(+), 21 deletions(-) diff --git a/drivers/ufs/core/ufs_bsg.c b/drivers/ufs/core/ufs_bsg.c index 0d38e7f..335e0ef 100644 --- a/drivers/ufs/core/ufs_bsg.c +++ b/drivers/ufs/core/ufs_bsg.c @@ -16,7 +16,7 @@ static int ufs_bsg_get_query_desc_size(struct ufs_hba *hba, int *desc_len, struct utp_upiu_query *qr) { - int desc_size = be16_to_cpu(qr->length); + int desc_size = be16_to_cpu(qr->osf5); if (desc_size <= 0) return -EINVAL; diff --git a/drivers/ufs/core/ufshcd.c b/drivers/ufs/core/ufshcd.c index 629442c..b08760d 100644 --- a/drivers/ufs/core/ufshcd.c +++ b/drivers/ufs/core/ufshcd.c @@ -80,7 +80,7 @@ /* Maximum number of error handler retries before giving up */ #define MAX_ERR_HANDLER_RETRIES 5 -/* Expose the flag value from utp_upiu_query.value */ +/* Expose the flag value from utp_upiu_query.osf6 */ #define MASK_QUERY_UPIU_FLAG_LOC 0xFF /* Interrupt aggregation default timeout, unit: 40us */ @@ -2280,8 +2280,7 @@ int ufshcd_copy_query_response(struct ufs_hba *hba, struct ufshcd_lrb *lrbp) /* data segment length */ resp_len = be32_to_cpu(lrbp->ucd_rsp_ptr->header.dword_2) & MASK_QUERY_DATA_SEG_LEN; - buf_len = be16_to_cpu( - hba->dev_cmd.query.request.upiu_req.length); + buf_len = be16_to_cpu(hba->dev_cmd.query.request.upiu_req.osf5); if (likely(buf_len >= resp_len)) { memcpy(hba->dev_cmd.query.descriptor, descp, resp_len); } else { @@ -2681,7 +2680,7 @@ static void ufshcd_prepare_utp_query_req_upiu(struct ufs_hba *hba, { struct utp_upiu_req *ucd_req_ptr = lrbp->ucd_req_ptr; struct ufs_query *query = &hba->dev_cmd.query; - u16 len = be16_to_cpu(query->request.upiu_req.length); + u16 len; /* Query request header */ ucd_req_ptr->header.dword_0 = UPIU_HEADER_DWORD( @@ -2691,12 +2690,13 @@ static void ufshcd_prepare_utp_query_req_upiu(struct ufs_hba *hba, 0, query->request.query_func, 0, 0); /* Data segment length only need for WRITE_DESC */ - if (query->request.upiu_req.opcode == UPIU_QUERY_OPCODE_WRITE_DESC) + if (query->request.upiu_req.opcode == UPIU_QUERY_OPCODE_WRITE_DESC) { + len = be16_to_cpu(query->request.upiu_req.osf5); ucd_req_ptr->header.dword_2 = UPIU_HEADER_DWORD(0, 0, (len >> 8), (u8)len); - else + } else { ucd_req_ptr->header.dword_2 = 0; - + } /* Copy the Query Request buffer as is */ memcpy(&ucd_req_ptr->qr, &query->request.upiu_req, QUERY_OSF_SIZE); @@ -3287,7 +3287,7 @@ int ufshcd_query_flag(struct ufs_hba *hba, enum query_opcode opcode, } if (flag_res) - *flag_res = (be32_to_cpu(response->upiu_res.value) & + *flag_res = (be32_to_cpu(response->upiu_res.osf6) & MASK_QUERY_UPIU_FLAG_LOC) & 0x1; out_unlock: @@ -3331,7 +3331,7 @@ int ufshcd_query_attr(struct ufs_hba *hba, enum query_opcode opcode, switch (opcode) { case UPIU_QUERY_OPCODE_WRITE_ATTR: request->query_func = UPIU_QUERY_FUNC_STANDARD_WRITE_REQUEST; - request->upiu_req.value = cpu_to_be32(*attr_val); + request->upiu_req.osf6 = cpu_to_be32(*attr_val); break; case UPIU_QUERY_OPCODE_READ_ATTR: request->query_func = UPIU_QUERY_FUNC_STANDARD_READ_REQUEST; @@ -3351,7 +3351,7 @@ int ufshcd_query_attr(struct ufs_hba *hba, enum query_opcode opcode, goto out_unlock; } - *attr_val = be32_to_cpu(response->upiu_res.value); + *attr_val = be32_to_cpu(response->upiu_res.osf6); out_unlock: mutex_unlock(&hba->dev_cmd.lock); @@ -3424,7 +3424,7 @@ static int __ufshcd_query_descriptor(struct ufs_hba *hba, ufshcd_init_query(hba, &request, &response, opcode, idn, index, selector); hba->dev_cmd.query.descriptor = desc_buf; - request->upiu_req.length = cpu_to_be16(*buf_len); + request->upiu_req.osf5 = cpu_to_be16(*buf_len); switch (opcode) { case UPIU_QUERY_OPCODE_WRITE_DESC: @@ -3449,7 +3449,7 @@ static int __ufshcd_query_descriptor(struct ufs_hba *hba, goto out_unlock; } - *buf_len = be16_to_cpu(response->upiu_res.length); + *buf_len = be16_to_cpu(response->upiu_res.osf5); out_unlock: hba->dev_cmd.query.descriptor = NULL; diff --git a/include/uapi/scsi/scsi_bsg_ufs.h b/include/uapi/scsi/scsi_bsg_ufs.h index 2801b65..cccc07d 100644 --- a/include/uapi/scsi/scsi_bsg_ufs.h +++ b/include/uapi/scsi/scsi_bsg_ufs.h @@ -54,20 +54,21 @@ struct utp_upiu_header { * @idn: a value that indicates the particular type of data B-1 * @index: Index to further identify data B-2 * @selector: Index to further identify data B-3 - * @reserved_osf: spec reserved field B-4,5 - * @length: number of descriptor bytes to read/write B-6,7 - * @value: Attribute value to be written DW-5 - * @reserved: spec reserved DW-6,7 + * @osf4: spec field B-5 + * @osf5: spec field B 6,7 + * @osf6: spec field DW 8,9 + * @osf7: spec field DW 10,11 */ struct utp_upiu_query { __u8 opcode; __u8 idn; __u8 index; __u8 selector; - __be16 reserved_osf; - __be16 length; - __be32 value; - __be32 reserved[2]; + __u8 osf3; + __u8 osf4; + __be16 osf5; + __be32 osf6; + __be32 osf7; }; /**