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; }; /** From patchwork Wed Feb 22 15:12:50 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Arthur Simchaev X-Patchwork-Id: 13149257 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 4FA03C61DA4 for ; Wed, 22 Feb 2023 15:13:10 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232358AbjBVPNI (ORCPT ); Wed, 22 Feb 2023 10:13:08 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:59042 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232360AbjBVPND (ORCPT ); Wed, 22 Feb 2023 10:13:03 -0500 Received: from esa5.hgst.iphmx.com (esa5.hgst.iphmx.com [216.71.153.144]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6CE3F11EAC; Wed, 22 Feb 2023 07:13:02 -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=1677078782; x=1708614782; h=from:to:cc:subject:date:message-id:in-reply-to: references; bh=Bp81ag4q73LTr7MlDdAbki1WewX0AM3VZjoOGTeLMD4=; b=DDGXqbbEGVOJbNxDoRz+L/XgtyDu14WyM+FGxIUF3rtQrpJTzHlDUYKe 56hC7WsXCVzyBpnogZZzE/CNLeJpjWSxjiTPdUSLMV3Lf181PzYVsC7eV NWdBfI+ZWcXQuC9zX9pesDywtKtNp9Gy31Nd98STCys8MxrpDBXCRyinE bbVfeAHIcZlSSteuazNBRUlJHDkSEN7wOVt4Q+6p2VU45S0hgbDMFcaJb RZbaELVnhAPi08F1QrdrwACpzzvolxHMdk0PsN2fZW0Y7jsgw7au+woBW pBWres8UI8BJuV7Wv/Rf9ViEprTBUTexKSydtz5OUSB8wp+b9YdzJKRzt A==; X-IronPort-AV: E=Sophos;i="5.97,319,1669046400"; d="scan'208";a="223701435" 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 23:13:01 +0800 IronPort-SDR: 8ym6kQlvEV8LM0bsL01EWy0LZrkBaGTgeytwLyO0ERd2yhWOaFMsyDu1qYItaM7Qqp99ZqGBhe 4fdf/p1bos/brb1lJGvcuOc90TVY8w7VcNAaXjueVStTnG65EGxBcv0kRDVYneyiBuTltX9V3e IEfsffJeawyi1K0k6byZLIH/86z5rjYn5gWHuZRD6+sIAD3Sr0YqtdNTFFRBMiLRVunmDUQT5b SF15NDFS7JqTgmt0J2d+ygsatoFBhLwSMG8lbjTx7ZCpPSW4n10e9OmUj649V+b5fZoAjmLMQ3 lpc= 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 06:24:16 -0800 IronPort-SDR: UNNccfbyhMkuY6JLtDQ3lRWstgI0jO8B5SqeV8A0pncJBqn+6f6Z2mJDW1JPvTxbJNzf2R7e5x SbNEE8tN3XiOsdBKhCX6CA1366N41PnOkvajSc7maNCuZGc6UtFdPEDETP4238fwIs0QoJN+Ft qxCv0GD8Wb+5xqy1Vznku4aHlJQyc/mdJyZH2lhpRtUYsnf+5yAHOK17FWl1QrkPsJ3n1XoPDV fnIKjpNcvCzj5IIIRqEE9459lQvH0EPM2jgKNBCIKT7XrblY2ssZRpjEregxANHKLVyBO9/xoI Ybs= 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 07:13:00 -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 2/2] ufs: core: Providing Timestamp information to the device Date: Wed, 22 Feb 2023 17:12:50 +0200 Message-Id: <1677078770-30994-3-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 The new qTimestamp attribute was added to UFS 4.0 spec, in order to synchronize the timestamp between the host and the ufs device. The spec recommend to send this attribute upon device power-on Reset/HW reset or when switching to Active state (using SSU command) Signed-off-by: Arthur Simchaev --- drivers/ufs/core/ufshcd.c | 36 ++++++++++++++++++++++++++++++++++++ include/ufs/ufs.h | 1 + 2 files changed, 37 insertions(+) diff --git a/drivers/ufs/core/ufshcd.c b/drivers/ufs/core/ufshcd.c index b08760d..22c29ff 100644 --- a/drivers/ufs/core/ufshcd.c +++ b/drivers/ufs/core/ufshcd.c @@ -8378,6 +8378,39 @@ static int ufshcd_device_params_init(struct ufs_hba *hba) return ret; } +static void ufshcd_set_timestamp_attr(struct ufs_hba *hba) +{ + int err; + struct ufs_query_req *request = NULL; + struct ufs_query_res *response = NULL; + struct ufs_dev_info *dev_info = &hba->dev_info; + + if (dev_info->wspecversion < 0x400) + return; + + ufshcd_hold(hba, false); + + mutex_lock(&hba->dev_cmd.lock); + + ufshcd_init_query(hba, &request, &response, + UPIU_QUERY_OPCODE_WRITE_ATTR, + QUERY_ATTR_IDN_TIMESTAMP, 0, 0); + + request->query_func = UPIU_QUERY_FUNC_STANDARD_WRITE_REQUEST; + + put_unaligned_be64(ktime_get_real_ns(), &request->upiu_req.osf3); + + err = ufshcd_exec_dev_cmd(hba, DEV_CMD_TYPE_QUERY, QUERY_REQ_TIMEOUT); + + if (err) + dev_err(hba->dev, "%s: failed to set timestamp %d\n", + __func__, err); + + mutex_unlock(&hba->dev_cmd.lock); + + ufshcd_release(hba); +} + /** * ufshcd_add_lus - probe and add UFS logical units * @hba: per-adapter instance @@ -8547,6 +8580,8 @@ static int ufshcd_device_init(struct ufs_hba *hba, bool init_dev_params) ufshcd_set_ufs_dev_active(hba); ufshcd_force_reset_auto_bkops(hba); + ufshcd_set_timestamp_attr(hba); + /* Gear up to HS gear if supported */ if (hba->max_pwr_info.is_valid) { /* @@ -9566,6 +9601,7 @@ static int __ufshcd_wl_resume(struct ufs_hba *hba, enum ufs_pm_op pm_op) ret = ufshcd_set_dev_pwr_mode(hba, UFS_ACTIVE_PWR_MODE); if (ret) goto set_old_link_state; + ufshcd_set_timestamp_attr(hba); } if (ufshcd_keep_autobkops_enabled_except_suspend(hba)) diff --git a/include/ufs/ufs.h b/include/ufs/ufs.h index 4e8d624..198cb39 100644 --- a/include/ufs/ufs.h +++ b/include/ufs/ufs.h @@ -170,6 +170,7 @@ enum attr_idn { QUERY_ATTR_IDN_WB_BUFF_LIFE_TIME_EST = 0x1E, QUERY_ATTR_IDN_CURR_WB_BUFF_SIZE = 0x1F, QUERY_ATTR_IDN_EXT_IID_EN = 0x2A, + QUERY_ATTR_IDN_TIMESTAMP = 0x30 }; /* Descriptor idn for Query requests */