From patchwork Tue Jan 25 11:32:48 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: John Garry X-Patchwork-Id: 12723694 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 484A0C433EF for ; Tue, 25 Jan 2022 11:46:40 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1384132AbiAYLpn (ORCPT ); Tue, 25 Jan 2022 06:45:43 -0500 Received: from frasgout.his.huawei.com ([185.176.79.56]:4503 "EHLO frasgout.his.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1382459AbiAYLjQ (ORCPT ); Tue, 25 Jan 2022 06:39:16 -0500 Received: from fraeml743-chm.china.huawei.com (unknown [172.18.147.226]) by frasgout.his.huawei.com (SkyGuard) with ESMTP id 4JjlBg2Z72z67wsC; Tue, 25 Jan 2022 19:34:51 +0800 (CST) Received: from lhreml724-chm.china.huawei.com (10.201.108.75) by fraeml743-chm.china.huawei.com (10.206.15.224) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2308.21; Tue, 25 Jan 2022 12:39:07 +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, 25 Jan 2022 11:39:03 +0000 From: John Garry To: , , , , , CC: , , , , , , , , John Garry Subject: [PATCH 12/16] scsi: libsas: Add sas_clear_task_set() Date: Tue, 25 Jan 2022 19:32:48 +0800 Message-ID: <1643110372-85470-13-git-send-email-john.garry@huawei.com> X-Mailer: git-send-email 2.8.1 In-Reply-To: <1643110372-85470-1-git-send-email-john.garry@huawei.com> References: <1643110372-85470-1-git-send-email-john.garry@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.69.192.58] X-ClientProxiedBy: dggems701-chm.china.huawei.com (10.3.19.178) 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 Add a generic implementation of clear task set TMF handler, and use in LLDDs. Signed-off-by: John Garry Reviewed-by: Christoph Hellwig --- drivers/scsi/hisi_sas/hisi_sas_main.c | 5 +---- drivers/scsi/libsas/sas_scsi_host.c | 10 ++++++++++ drivers/scsi/mvsas/mv_init.c | 2 +- drivers/scsi/mvsas/mv_sas.c | 11 ----------- drivers/scsi/mvsas/mv_sas.h | 1 - drivers/scsi/pm8001/pm8001_sas.c | 4 +--- include/scsi/libsas.h | 1 + 7 files changed, 14 insertions(+), 20 deletions(-) diff --git a/drivers/scsi/hisi_sas/hisi_sas_main.c b/drivers/scsi/hisi_sas/hisi_sas_main.c index 7bf0d400d11f..12919b063572 100644 --- a/drivers/scsi/hisi_sas/hisi_sas_main.c +++ b/drivers/scsi/hisi_sas/hisi_sas_main.c @@ -695,7 +695,6 @@ static int hisi_sas_init_device(struct domain_device *device) { int rc = TMF_RESP_FUNC_COMPLETE; struct scsi_lun lun; - struct sas_tmf_task tmf_task; int retry = HISI_SAS_DISK_RECOVER_CNT; struct hisi_hba *hisi_hba = dev_to_hisi_hba(device); struct device *dev = hisi_hba->dev; @@ -705,10 +704,8 @@ static int hisi_sas_init_device(struct domain_device *device) case SAS_END_DEVICE: int_to_scsilun(0, &lun); - tmf_task.tmf = TMF_CLEAR_TASK_SET; while (retry-- > 0) { - rc = hisi_sas_debug_issue_ssp_tmf(device, lun.scsi_lun, - &tmf_task); + rc = sas_clear_task_set(device, lun.scsi_lun); if (rc == TMF_RESP_FUNC_COMPLETE) { hisi_sas_release_task(hisi_hba, device); break; diff --git a/drivers/scsi/libsas/sas_scsi_host.c b/drivers/scsi/libsas/sas_scsi_host.c index b18cbb617710..5520c857598b 100644 --- a/drivers/scsi/libsas/sas_scsi_host.c +++ b/drivers/scsi/libsas/sas_scsi_host.c @@ -1056,6 +1056,16 @@ int sas_abort_task_set(struct domain_device *dev, u8 *lun) } EXPORT_SYMBOL_GPL(sas_abort_task_set); +int sas_clear_task_set(struct domain_device *dev, u8 *lun) +{ + struct sas_tmf_task tmf_task = { + .tmf = TMF_CLEAR_TASK_SET, + }; + + return sas_execute_ssp_tmf(dev, lun, &tmf_task); +} +EXPORT_SYMBOL_GPL(sas_clear_task_set); + /* * Tell an upper layer that it needs to initiate an abort for a given task. * This should only ever be called by an LLDD. diff --git a/drivers/scsi/mvsas/mv_init.c b/drivers/scsi/mvsas/mv_init.c index 484ad2f41f48..dac66dddfaf6 100644 --- a/drivers/scsi/mvsas/mv_init.c +++ b/drivers/scsi/mvsas/mv_init.c @@ -64,7 +64,7 @@ static struct sas_domain_function_template mvs_transport_ops = { .lldd_abort_task = mvs_abort_task, .lldd_abort_task_set = sas_abort_task_set, - .lldd_clear_task_set = mvs_clear_task_set, + .lldd_clear_task_set = sas_clear_task_set, .lldd_I_T_nexus_reset = mvs_I_T_nexus_reset, .lldd_lu_reset = mvs_lu_reset, .lldd_query_task = mvs_query_task, diff --git a/drivers/scsi/mvsas/mv_sas.c b/drivers/scsi/mvsas/mv_sas.c index 3b2aa7117eb4..146005d2d75c 100644 --- a/drivers/scsi/mvsas/mv_sas.c +++ b/drivers/scsi/mvsas/mv_sas.c @@ -1539,17 +1539,6 @@ int mvs_abort_task(struct sas_task *task) return rc; } -int mvs_clear_task_set(struct domain_device *dev, u8 *lun) -{ - int rc = TMF_RESP_FUNC_FAILED; - struct sas_tmf_task tmf_task; - - tmf_task.tmf = TMF_CLEAR_TASK_SET; - rc = mvs_debug_issue_ssp_tmf(dev, lun, &tmf_task); - - return rc; -} - static int mvs_sata_done(struct mvs_info *mvi, struct sas_task *task, u32 slot_idx, int err) { diff --git a/drivers/scsi/mvsas/mv_sas.h b/drivers/scsi/mvsas/mv_sas.h index 0bee63596208..509d8f32a04f 100644 --- a/drivers/scsi/mvsas/mv_sas.h +++ b/drivers/scsi/mvsas/mv_sas.h @@ -440,7 +440,6 @@ void mvs_scan_start(struct Scsi_Host *shost); int mvs_scan_finished(struct Scsi_Host *shost, unsigned long time); int mvs_queue_command(struct sas_task *task, gfp_t gfp_flags); int mvs_abort_task(struct sas_task *task); -int mvs_clear_task_set(struct domain_device *dev, u8 * lun); void mvs_port_formed(struct asd_sas_phy *sas_phy); void mvs_port_deformed(struct asd_sas_phy *sas_phy); int mvs_dev_found(struct domain_device *dev); diff --git a/drivers/scsi/pm8001/pm8001_sas.c b/drivers/scsi/pm8001/pm8001_sas.c index c142bd0ce634..3547e8538670 100644 --- a/drivers/scsi/pm8001/pm8001_sas.c +++ b/drivers/scsi/pm8001/pm8001_sas.c @@ -1343,14 +1343,12 @@ int pm8001_abort_task(struct sas_task *task) int pm8001_clear_task_set(struct domain_device *dev, u8 *lun) { - struct sas_tmf_task tmf_task; struct pm8001_device *pm8001_dev = dev->lldd_dev; struct pm8001_hba_info *pm8001_ha = pm8001_find_ha_by_dev(dev); pm8001_dbg(pm8001_ha, EH, "I_T_L_Q clear task set[%x]\n", pm8001_dev->device_id); - tmf_task.tmf = TMF_CLEAR_TASK_SET; - return pm8001_issue_ssp_tmf(dev, lun, &tmf_task); + return sas_clear_task_set(dev, lun); } void pm8001_port_formed(struct asd_sas_phy *sas_phy) diff --git a/include/scsi/libsas.h b/include/scsi/libsas.h index 434437b0e89c..710f93ddc5d4 100644 --- a/include/scsi/libsas.h +++ b/include/scsi/libsas.h @@ -725,6 +725,7 @@ struct sas_phy *sas_get_local_phy(struct domain_device *dev); int sas_request_addr(struct Scsi_Host *shost, u8 *addr); int sas_abort_task_set(struct domain_device *dev, u8 *lun); +int sas_clear_task_set(struct domain_device *dev, u8 *lun); int sas_notify_port_event(struct asd_sas_phy *phy, enum port_event event, gfp_t gfp_flags);