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From: John Garry <john.garry@huawei.com>
To: <jejb@linux.ibm.com>, <martin.petersen@oracle.com>,
	<artur.paszkiewicz@intel.com>, <jinpu.wang@cloud.ionos.com>,
	<chenxiang66@hisilicon.com>, <damien.lemoal@opensource.wdc.com>,
	<hch@lst.de>
Cc: <Ajish.Koshy@microchip.com>, <yanaijie@huawei.com>,
	<linux-doc@vger.kernel.org>, <linux-kernel@vger.kernel.org>,
	<linux-scsi@vger.kernel.org>, <linuxarm@huawei.com>,
	<liuqi115@huawei.com>, <Viswas.G@microchip.com>,
	John Garry <john.garry@huawei.com>
Subject: [PATCH v2 14/18] scsi: libsas: Add sas_clear_task_set()
Date: Thu, 17 Feb 2022 23:42:42 +0800	[thread overview]
Message-ID: <1645112566-115804-15-git-send-email-john.garry@huawei.com> (raw)
In-Reply-To: <1645112566-115804-1-git-send-email-john.garry@huawei.com>

Add a generic implementation of clear task set TMF handler, and use in
LLDDs.

Signed-off-by: John Garry <john.garry@huawei.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Tested-by: Yihang Li <liyihang6@hisilicon.com>
---
 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 54fe25ddac5b..6826ddfeaca5 100644
--- a/drivers/scsi/hisi_sas/hisi_sas_main.c
+++ b/drivers/scsi/hisi_sas/hisi_sas_main.c
@@ -690,7 +690,6 @@ 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;
@@ -700,10 +699,8 @@ 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 06bc7221ac3a..ac669215c3bc 100644
--- a/drivers/scsi/libsas/sas_scsi_host.c
+++ b/drivers/scsi/libsas/sas_scsi_host.c
@@ -1053,6 +1053,16 @@ 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 13a002e08a12..d12fb210c868 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 0cdbba31f327..37604b1ebd46 100644
--- a/drivers/scsi/mvsas/mv_sas.c
+++ b/drivers/scsi/mvsas/mv_sas.c
@@ -1536,17 +1536,6 @@ 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 543113564a58..fd86490616e8 100644
--- a/drivers/scsi/pm8001/pm8001_sas.c
+++ b/drivers/scsi/pm8001/pm8001_sas.c
@@ -1344,14 +1344,12 @@ 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 53fdc18bdd09..f71a47740ff8 100644
--- a/include/scsi/libsas.h
+++ b/include/scsi/libsas.h
@@ -723,6 +723,7 @@ 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);
-- 
2.26.2


  parent reply	other threads:[~2022-02-17 15:50 UTC|newest]

Thread overview: 28+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-02-17 15:42 [PATCH v2 00/18] scsi: libsas and users: Factor out LLDD TMF code John Garry
2022-02-17 15:42 ` [PATCH v2 01/18] scsi: libsas: Handle non-TMF codes in sas_scsi_find_task() John Garry
2022-02-17 15:42 ` [PATCH v2 02/18] scsi: libsas: Use enum for response frame DATAPRES field John Garry
2022-02-17 15:42 ` [PATCH v2 03/18] scsi: libsas: Delete lldd_clear_aca callback John Garry
2022-02-17 15:42 ` [PATCH v2 04/18] scsi: libsas: Delete SAS_SG_ERR John Garry
2022-02-17 15:42 ` [PATCH v2 05/18] scsi: hisi_sas: Delete unused I_T_NEXUS_RESET_PHYUP_TIMEOUT John Garry
2022-02-17 15:42 ` [PATCH v2 06/18] scsi: libsas: Move SMP task handlers to core John Garry
2022-02-17 15:42 ` [PATCH v2 07/18] scsi: libsas: Add struct sas_tmf_task John Garry
2022-02-17 15:42 ` [PATCH v2 08/18] scsi: libsas: Add sas_task.tmf John Garry
2022-02-17 15:42 ` [PATCH v2 09/18] scsi: libsas: Add sas_execute_tmf() John Garry
2022-02-17 15:42 ` [PATCH v2 10/18] scsi: libsas: Add sas_execute_ssp_tmf() John Garry
2022-02-17 15:42 ` [PATCH v2 11/18] scsi: libsas: Add TMF handler exec complete callback John Garry
2022-02-17 15:42 ` [PATCH v2 12/18] scsi: libsas: Add TMF handler aborted callback John Garry
2022-02-17 15:42 ` [PATCH v2 13/18] scsi: libsas: Add sas_abort_task_set() John Garry
2022-02-17 15:42 ` John Garry [this message]
2022-02-17 15:42 ` [PATCH v2 15/18] scsi: libsas: Add sas_lu_reset() John Garry
2022-02-17 15:42 ` [PATCH v2 16/18] scsi: libsas: Add sas_query_task() John Garry
2022-02-17 15:42 ` [PATCH v2 17/18] scsi: libsas: Add sas_abort_task() John Garry
2022-02-17 15:42 ` [PATCH v2 18/18] scsi: libsas: Add sas_execute_ata_cmd() John Garry
2022-02-18  4:18 ` [PATCH v2 00/18] scsi: libsas and users: Factor out LLDD TMF code Damien Le Moal
2022-02-18  4:28   ` Martin K. Petersen
2022-02-19 21:53   ` Martin K. Petersen
2022-02-19 23:05     ` Damien Le Moal
2022-02-21  8:36     ` John Garry
2022-02-19 21:55 ` Martin K. Petersen
2022-02-20  0:38   ` Damien Le Moal
2022-02-20  1:31     ` Martin K. Petersen
2022-02-20  1:37       ` Damien Le Moal

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