From patchwork Sat Mar 9 08:11:02 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Avri Altman X-Patchwork-Id: 779275 Received: from esa6.hgst.iphmx.com (esa6.hgst.iphmx.com [216.71.154.45]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 219B13984D; Sat, 9 Mar 2024 08:11:29 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=216.71.154.45 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1709971890; cv=none; b=i/6qz9WPDj9xSF4nebVkKVyVnbrrWRbhIEWephKpwQbH3Xx1UPB7ChmEnXBzJdEPHaF9xHSx3Cpx/uHNlyPqGBrOOr7j2sgSwPKxas3Z+0Z/4/T3BnnrebTUtyJALHOKsjWSoxhpL21Xy/xUGD0T1EFgGNFDt0Y8Kse53qkhn9M= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1709971890; c=relaxed/simple; bh=uadfvdvO0FsBtO9hlkzFwsaQ5dtQnfR/kEXn95ySToQ=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=q087f6PynV9HwYRYlw6oPiDP8eROZdNyE/ihMxngl//FoTktxbxj+jO5nkkmRnXauUoXye5ixJ7O4NtYG8uaGDK0/pXJdhgzc56vppprB6ggHv+EoFtatHdZ0eFLYnd2KjBzLFpgC797fQ/RIG0rOO32bXmq3RVhOqrKsd61x5M= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=wdc.com; spf=pass smtp.mailfrom=wdc.com; dkim=pass (2048-bit key) header.d=wdc.com header.i=@wdc.com header.b=WqOu0B6a; arc=none smtp.client-ip=216.71.154.45 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=wdc.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=wdc.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=wdc.com header.i=@wdc.com header.b="WqOu0B6a" DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=wdc.com; i=@wdc.com; q=dns/txt; s=dkim.wdc.com; t=1709971888; x=1741507888; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=uadfvdvO0FsBtO9hlkzFwsaQ5dtQnfR/kEXn95ySToQ=; b=WqOu0B6as9pl2wNQns9DI+MB39l0YDrcyyDJ9slGKW300qEB9AEaM0wA q5oM0+9+QBxec8f3E9UiiMtYxfP6k2Y+Y+q/oR8D3yTYk76/dXVwH4XxX 8QoZ93kmuq5DCw6xVUNlaNeLM8Tg5Br6FdS3Ilsv0roGQc4rbybRj4tPY PVeqNhFGtf43lR6GZvJbrUgJY6pDap6eoWeSst7hFxcXFPJsLwsKmcvjG VoKAfqHbKg/gunRDVbmlSvcPa0F2QleNBnk4KN2Ewkm4YINHfxbZQysVK JSpnOvgiOiZL9SHJNFij9f2NdWXf1GKIzVqoQg2EdQIfE3jhIlwpcclZm w==; X-CSE-ConnectionGUID: zU+d437dQj6Km4i8WAPvEg== X-CSE-MsgGUID: XjPh+jYcQya9qy4fCDO61w== X-IronPort-AV: E=Sophos;i="6.07,112,1708358400"; d="scan'208";a="11183751" 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; 09 Mar 2024 16:11:28 +0800 IronPort-SDR: fwKyYgGLeYGjL2FVEu/2PFYcLYpZ5tUwkVDdDjhI44lEeCvkW294BW533MRzeSKsmPmlwN/33a GgDlik1L4NUQ== 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; 08 Mar 2024 23:14:54 -0800 IronPort-SDR: 3S8WZlXJkENcITQYGTvEn/frCW1kzgAWWegGBr/UgL1pd9Vlj+0agPcJUZ1+aLex8bGO0ZTKtI q3w3UyUVbYIQ== WDCIronportException: Internal Received: from 87h6l33.ad.shared (HELO BXYGM33.ad.shared) ([10.225.32.8]) by uls-op-cesaip01.wdc.com with ESMTP; 09 Mar 2024 00:11:27 -0800 From: Avri Altman To: "James E . J . Bottomley" , "Martin K . Petersen" Cc: Bart Van Assche , Bean Huo , linux-scsi@vger.kernel.org, linux-kernel@vger.kernel.org, Avri Altman Subject: [PATCH v3 4/4] scsi: ufs: Re-use compose_devman_upiu Date: Sat, 9 Mar 2024 10:11:02 +0200 Message-ID: <20240309081104.5006-5-avri.altman@wdc.com> X-Mailer: git-send-email 2.42.0 In-Reply-To: <20240309081104.5006-1-avri.altman@wdc.com> References: <20240309081104.5006-1-avri.altman@wdc.com> Precedence: bulk X-Mailing-List: linux-scsi@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Move some code fragments into ufshcd_prepare_req_desc_hdr so it can be used throughout. Signed-off-by: Avri Altman Reviewed-by: Bart Van Assche Reviewed-by: Bean Huo --- drivers/ufs/core/ufshcd.c | 49 ++++++++++++++------------------------- include/ufs/ufshci.h | 2 +- 2 files changed, 18 insertions(+), 33 deletions(-) diff --git a/drivers/ufs/core/ufshcd.c b/drivers/ufs/core/ufshcd.c index c9c2b7f99758..36cbcd30470f 100644 --- a/drivers/ufs/core/ufshcd.c +++ b/drivers/ufs/core/ufshcd.c @@ -2710,18 +2710,27 @@ static void ufshcd_disable_intr(struct ufs_hba *hba, u32 intrs) /** * ufshcd_prepare_req_desc_hdr - Fill UTP Transfer request descriptor header according to request * descriptor according to request + * @hba: per adapter instance * @lrbp: pointer to local reference block * @upiu_flags: flags required in the header * @cmd_dir: requests data direction * @ehs_length: Total EHS Length (in 32‐bytes units of all Extra Header Segments) + * @legacy_type: UTP_CMD_TYPE_SCSI or UTP_CMD_TYPE_DEV_MANAGE */ -static void ufshcd_prepare_req_desc_hdr(struct ufshcd_lrb *lrbp, u8 *upiu_flags, - enum dma_data_direction cmd_dir, int ehs_length) +static void +ufshcd_prepare_req_desc_hdr(struct ufs_hba *hba, struct ufshcd_lrb *lrbp, + u8 *upiu_flags, enum dma_data_direction cmd_dir, + int ehs_length, enum utp_cmd_type legacy_type) { struct utp_transfer_req_desc *req_desc = lrbp->utr_descriptor_ptr; struct request_desc_header *h = &req_desc->header; enum utp_data_direction data_direction; + if (hba->ufs_version <= ufshci_version(1, 1)) + lrbp->command_type = legacy_type; + else + lrbp->command_type = UTP_CMD_TYPE_UFS_STORAGE; + *h = (typeof(*h)){ }; if (cmd_dir == DMA_FROM_DEVICE) { @@ -2854,12 +2863,8 @@ static int ufshcd_compose_devman_upiu(struct ufs_hba *hba, u8 upiu_flags; int ret = 0; - if (hba->ufs_version <= ufshci_version(1, 1)) - lrbp->command_type = UTP_CMD_TYPE_DEV_MANAGE; - else - lrbp->command_type = UTP_CMD_TYPE_UFS_STORAGE; + ufshcd_prepare_req_desc_hdr(hba, lrbp, &upiu_flags, DMA_NONE, 0, UTP_CMD_TYPE_DEV_MANAGE); - ufshcd_prepare_req_desc_hdr(lrbp, &upiu_flags, DMA_NONE, 0); if (hba->dev_cmd.type == DEV_CMD_TYPE_QUERY) ufshcd_prepare_utp_query_req_upiu(hba, lrbp, upiu_flags); else if (hba->dev_cmd.type == DEV_CMD_TYPE_NOP) @@ -2882,13 +2887,8 @@ static void ufshcd_comp_scsi_upiu(struct ufs_hba *hba, struct ufshcd_lrb *lrbp) unsigned int ioprio_class = IOPRIO_PRIO_CLASS(req_get_ioprio(rq)); u8 upiu_flags; - if (hba->ufs_version <= ufshci_version(1, 1)) - lrbp->command_type = UTP_CMD_TYPE_SCSI; - else - lrbp->command_type = UTP_CMD_TYPE_UFS_STORAGE; - - ufshcd_prepare_req_desc_hdr(lrbp, &upiu_flags, - lrbp->cmd->sc_data_direction, 0); + ufshcd_prepare_req_desc_hdr(hba, lrbp, &upiu_flags, + lrbp->cmd->sc_data_direction, 0, UTP_CMD_TYPE_SCSI); if (ioprio_class == IOPRIO_CLASS_RT) upiu_flags |= UPIU_CMD_FLAGS_CP; ufshcd_prepare_utp_scsi_cmd_upiu(lrbp, upiu_flags); @@ -7228,16 +7228,11 @@ static int ufshcd_issue_devman_upiu_cmd(struct ufs_hba *hba, ufshcd_setup_dev_cmd(hba, lrbp, cmd_type, 0, tag); - if (hba->ufs_version <= ufshci_version(1, 1)) - lrbp->command_type = UTP_CMD_TYPE_DEV_MANAGE; - else - lrbp->command_type = UTP_CMD_TYPE_UFS_STORAGE; + ufshcd_prepare_req_desc_hdr(hba, lrbp, &upiu_flags, DMA_NONE, 0, UTP_CMD_TYPE_DEV_MANAGE); /* update the task tag in the request upiu */ req_upiu->header.task_tag = tag; - ufshcd_prepare_req_desc_hdr(lrbp, &upiu_flags, DMA_NONE, 0); - /* just copy the upiu request as it is */ memcpy(lrbp->ucd_req_ptr, req_upiu, sizeof(*lrbp->ucd_req_ptr)); if (desc_buff && desc_op == UPIU_QUERY_OPCODE_WRITE_DESC) { @@ -7378,24 +7373,14 @@ int ufshcd_advanced_rpmb_req_handler(struct ufs_hba *hba, struct utp_upiu_req *r u8 upiu_flags; u8 *ehs_data; u16 ehs_len; + int ehs = (hba->capabilities & MASK_EHSLUTRD_SUPPORTED) ? 2 : 0; /* Protects use of hba->reserved_slot. */ ufshcd_dev_man_lock(hba); ufshcd_setup_dev_cmd(hba, lrbp, DEV_CMD_TYPE_RPMB, UFS_UPIU_RPMB_WLUN, tag); - /* Advanced RPMB starts from UFS 4.0, so its command type is UTP_CMD_TYPE_UFS_STORAGE */ - lrbp->command_type = UTP_CMD_TYPE_UFS_STORAGE; - - /* - * According to UFSHCI 4.0 specification page 24, if EHSLUTRDS is 0, host controller takes - * EHS length from CMD UPIU, and SW driver use EHS Length field in CMD UPIU. if it is 1, - * HW controller takes EHS length from UTRD. - */ - if (hba->capabilities & MASK_EHSLUTRD_SUPPORTED) - ufshcd_prepare_req_desc_hdr(lrbp, &upiu_flags, dir, 2); - else - ufshcd_prepare_req_desc_hdr(lrbp, &upiu_flags, dir, 0); + ufshcd_prepare_req_desc_hdr(hba, lrbp, &upiu_flags, DMA_NONE, ehs, UTP_CMD_TYPE_DEV_MANAGE); /* update the task tag */ req_upiu->header.task_tag = tag; diff --git a/include/ufs/ufshci.h b/include/ufs/ufshci.h index a196e1c4c3bb..88193f5540e5 100644 --- a/include/ufs/ufshci.h +++ b/include/ufs/ufshci.h @@ -426,7 +426,7 @@ union ufs_crypto_cfg_entry { */ /* Transfer request command type */ -enum { +enum utp_cmd_type { UTP_CMD_TYPE_SCSI = 0x0, UTP_CMD_TYPE_UFS = 0x1, UTP_CMD_TYPE_DEV_MANAGE = 0x2,