From 4fea759edfa795b170a72bfd3be7b7601012ce4b Mon Sep 17 00:00:00 2001 From: John Garry Date: Thu, 17 Feb 2022 23:42:45 +0800 Subject: scsi: libsas: Add sas_abort_task() Add a generic implementation of abort task TMF handler, and use in LLDDs. With that, some LLDDs custom TMF functions can now be deleted. Link: https://lore.kernel.org/r/1645112566-115804-18-git-send-email-john.garry@huawei.com Tested-by: Yihang Li Tested-by: Damien Le Moal Reviewed-by: Christoph Hellwig Signed-off-by: John Garry Signed-off-by: Martin K. Petersen --- drivers/scsi/libsas/sas_scsi_host.c | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) (limited to 'drivers/scsi/libsas') diff --git a/drivers/scsi/libsas/sas_scsi_host.c b/drivers/scsi/libsas/sas_scsi_host.c index 1923a0627ce7..87dd18a85f6f 100644 --- a/drivers/scsi/libsas/sas_scsi_host.c +++ b/drivers/scsi/libsas/sas_scsi_host.c @@ -1089,6 +1089,22 @@ int sas_query_task(struct sas_task *task, u16 tag) } EXPORT_SYMBOL_GPL(sas_query_task); +int sas_abort_task(struct sas_task *task, u16 tag) +{ + struct sas_tmf_task tmf_task = { + .tmf = TMF_ABORT_TASK, + .tag_of_task_to_be_managed = tag, + }; + struct scsi_cmnd *cmnd = task->uldd_task; + struct domain_device *dev = task->dev; + struct scsi_lun lun; + + int_to_scsilun(cmnd->device->lun, &lun); + + return sas_execute_ssp_tmf(dev, lun.scsi_lun, &tmf_task); +} +EXPORT_SYMBOL_GPL(sas_abort_task); + /* * Tell an upper layer that it needs to initiate an abort for a given task. * This should only ever be called by an LLDD. -- cgit v1.2.3