From patchwork Tue Mar 22 10:39:42 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: John Garry X-Patchwork-Id: 553701 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 34F88C4332F for ; Tue, 22 Mar 2022 10:47:17 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233553AbiCVKsm (ORCPT ); Tue, 22 Mar 2022 06:48:42 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55058 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233570AbiCVKrp (ORCPT ); Tue, 22 Mar 2022 06:47:45 -0400 Received: from frasgout.his.huawei.com (frasgout.his.huawei.com [185.176.79.56]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 844FA82D31; Tue, 22 Mar 2022 03:46:12 -0700 (PDT) Received: from fraeml741-chm.china.huawei.com (unknown [172.18.147.207]) by frasgout.his.huawei.com (SkyGuard) with ESMTP id 4KN7Qj1513z67Qtq; Tue, 22 Mar 2022 18:44:29 +0800 (CST) Received: from lhreml724-chm.china.huawei.com (10.201.108.75) by fraeml741-chm.china.huawei.com (10.206.15.222) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.24; Tue, 22 Mar 2022 11:46:10 +0100 Received: from localhost.localdomain (10.69.192.58) by lhreml724-chm.china.huawei.com (10.201.108.75) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2308.21; Tue, 22 Mar 2022 10:46:06 +0000 From: John Garry To: , , , , , , , CC: , , , , , , , John Garry Subject: [PATCH 08/11] scsi: libsas: Change ATA support to deal with each qc having a SCSI command Date: Tue, 22 Mar 2022 18:39:42 +0800 Message-ID: <1647945585-197349-9-git-send-email-john.garry@huawei.com> X-Mailer: git-send-email 2.8.1 In-Reply-To: <1647945585-197349-1-git-send-email-john.garry@huawei.com> References: <1647945585-197349-1-git-send-email-john.garry@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.69.192.58] X-ClientProxiedBy: dggems702-chm.china.huawei.com (10.3.19.179) To lhreml724-chm.china.huawei.com (10.201.108.75) X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org Now that each ATA qc has a SCSI command associated, change the qc <-> scsi_cmnd <-> sas_task referencing to deal with this. Essentially task->uldd_task = scmd always. We need to do this for sas_execute_tmf(), as those ATA commands have no qc. TODO: rename ASSIGN_SAS_TASK and TO_SAS_TASK to be more appropriate. Signed-off-by: John Garry --- drivers/scsi/hisi_sas/hisi_sas_main.c | 11 +---------- drivers/scsi/hisi_sas/hisi_sas_v2_hw.c | 3 ++- drivers/scsi/hisi_sas/hisi_sas_v3_hw.c | 3 ++- drivers/scsi/libsas/sas_ata.c | 11 ++++++----- 4 files changed, 11 insertions(+), 17 deletions(-) diff --git a/drivers/scsi/hisi_sas/hisi_sas_main.c b/drivers/scsi/hisi_sas/hisi_sas_main.c index 461ef8a76c4c..e438c68e249a 100644 --- a/drivers/scsi/hisi_sas/hisi_sas_main.c +++ b/drivers/scsi/hisi_sas/hisi_sas_main.c @@ -520,16 +520,7 @@ static int hisi_sas_queue_command(struct sas_task *task, gfp_t gfp_flags) return -ECOMM; } - if (task->uldd_task) { - struct ata_queued_cmd *qc; - - if (dev_is_sata(device)) { - qc = task->uldd_task; - scmd = qc->scsicmd; - } else { - scmd = task->uldd_task; - } - } + scmd = task->uldd_task; if (scmd) { unsigned int dq_index; diff --git a/drivers/scsi/hisi_sas/hisi_sas_v2_hw.c b/drivers/scsi/hisi_sas/hisi_sas_v2_hw.c index 455d49299ddf..d1f2c8fbdc79 100644 --- a/drivers/scsi/hisi_sas/hisi_sas_v2_hw.c +++ b/drivers/scsi/hisi_sas/hisi_sas_v2_hw.c @@ -2538,7 +2538,8 @@ static void prep_ata_v2_hw(struct hisi_hba *hisi_hba, /* dw2 */ if (task->ata_task.use_ncq) { - struct ata_queued_cmd *qc = task->uldd_task; + struct scsi_cmnd *scmd = task->uldd_task; + struct ata_queued_cmd *qc = (struct ata_queued_cmd *)scmd->host_scribble; hdr_tag = qc->tag; task->ata_task.fis.sector_count |= (u8) (hdr_tag << 3); diff --git a/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c b/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c index 79f87d7c3e68..e3e02a24ee76 100644 --- a/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c +++ b/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c @@ -1421,7 +1421,8 @@ static void prep_ata_v3_hw(struct hisi_hba *hisi_hba, /* dw2 */ if (task->ata_task.use_ncq) { - struct ata_queued_cmd *qc = task->uldd_task; + struct scsi_cmnd *scmd = task->uldd_task; + struct ata_queued_cmd *qc = (struct ata_queued_cmd *)scmd->host_scribble; hdr_tag = qc->tag; task->ata_task.fis.sector_count |= (u8) (hdr_tag << 3); diff --git a/drivers/scsi/libsas/sas_ata.c b/drivers/scsi/libsas/sas_ata.c index d34c82e24d9a..4d2b8fb31f30 100644 --- a/drivers/scsi/libsas/sas_ata.c +++ b/drivers/scsi/libsas/sas_ata.c @@ -72,7 +72,8 @@ static enum ata_completion_errors sas_to_ata_err(struct task_status_struct *ts) static void sas_ata_task_done(struct sas_task *task) { - struct ata_queued_cmd *qc = task->uldd_task; + struct scsi_cmnd *scmd = task->uldd_task; + struct ata_queued_cmd *qc = TO_SAS_TASK(scmd); struct domain_device *dev = task->dev; struct task_status_struct *stat = &task->task_status; struct ata_task_resp *resp = (struct ata_task_resp *)stat->buf; @@ -184,7 +185,7 @@ static unsigned int sas_ata_qc_issue(struct ata_queued_cmd *qc) qc->tf.nsect = 0; ata_tf_to_fis(&qc->tf, qc->dev->link->pmp, 1, (u8 *)&task->ata_task.fis); - task->uldd_task = qc; + task->uldd_task = qc->scsicmd; if (ata_is_atapi(qc->tf.protocol)) { memcpy(task->ata_task.atapi_packet, qc->cdb, qc->dev->cdb_len); task->total_xfer_len = qc->nbytes; @@ -207,8 +208,7 @@ static unsigned int sas_ata_qc_issue(struct ata_queued_cmd *qc) task->ata_task.use_ncq = ata_is_ncq(qc->tf.protocol); task->ata_task.dma_xfer = ata_is_dma(qc->tf.protocol); - if (qc->scsicmd) - ASSIGN_SAS_TASK(qc->scsicmd, task); + ASSIGN_SAS_TASK(qc->scsicmd, qc); ret = i->dft->lldd_execute_task(task, GFP_ATOMIC); if (ret) { @@ -583,7 +583,8 @@ int sas_ata_init(struct domain_device *found_dev) void sas_ata_task_abort(struct sas_task *task) { - struct ata_queued_cmd *qc = task->uldd_task; + struct scsi_cmnd *scmd = task->uldd_task; + struct ata_queued_cmd *qc = TO_SAS_TASK(scmd); struct completion *waiting; /* Bounce SCSI-initiated commands to the SCSI EH */