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authorJohn Garry <john.garry@huawei.com>2022-02-17 18:42:45 +0300
committerMartin K. Petersen <martin.petersen@oracle.com>2022-02-19 23:59:36 +0300
commit4fea759edfa795b170a72bfd3be7b7601012ce4b (patch)
tree155e846a4f6f17a903e86927997a63adb02a1cd3 /drivers/scsi/libsas
parent72f8810e1fdcd52deedfd294497fa8337703a632 (diff)
downloadlinux-4fea759edfa795b170a72bfd3be7b7601012ce4b.tar.xz
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 <liyihang6@hisilicon.com> Tested-by: Damien Le Moal <damien.lemoal@opensource.wdc.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: John Garry <john.garry@huawei.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/libsas')
-rw-r--r--drivers/scsi/libsas/sas_scsi_host.c16
1 files changed, 16 insertions, 0 deletions
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.