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authorJohn Garry <john.garry@huawei.com>2022-02-17 18:42:43 +0300
committerMartin K. Petersen <martin.petersen@oracle.com>2022-02-19 23:59:36 +0300
commit29d7769055a21968c0bbfe866affe1640d90bd1d (patch)
tree5afc2956140696a3ca5d138d3e0c28feceebcfa4 /drivers/scsi/libsas
parente8585452953a040a6d1d901e5b2e8c327f09e219 (diff)
downloadlinux-29d7769055a21968c0bbfe866affe1640d90bd1d.tar.xz
scsi: libsas: Add sas_lu_reset()
Add a generic implementation of LU reset TMF handler, and use in LLDDs. Link: https://lore.kernel.org/r/1645112566-115804-16-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.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/scsi/libsas/sas_scsi_host.c b/drivers/scsi/libsas/sas_scsi_host.c
index ac669215c3bc..d6f29e13204e 100644
--- a/drivers/scsi/libsas/sas_scsi_host.c
+++ b/drivers/scsi/libsas/sas_scsi_host.c
@@ -1063,6 +1063,16 @@ int sas_clear_task_set(struct domain_device *dev, u8 *lun)
}
EXPORT_SYMBOL_GPL(sas_clear_task_set);
+int sas_lu_reset(struct domain_device *dev, u8 *lun)
+{
+ struct sas_tmf_task tmf_task = {
+ .tmf = TMF_LU_RESET,
+ };
+
+ return sas_execute_ssp_tmf(dev, lun, &tmf_task);
+}
+EXPORT_SYMBOL_GPL(sas_lu_reset);
+
/*
* Tell an upper layer that it needs to initiate an abort for a given task.
* This should only ever be called by an LLDD.