From 8b05ad6a9dbc4306c8eaf0f5269206647ed1ad7e Mon Sep 17 00:00:00 2001 From: John Garry Date: Thu, 23 Mar 2017 01:25:35 +0800 Subject: [PATCH] scsi: hisi_sas: add hisi_sas_clear_nexus_ha() Add function for upper-layer to reset controller when all else fails. Signed-off-by: John Garry Signed-off-by: Xiang Chen Signed-off-by: Martin K. Petersen --- drivers/scsi/hisi_sas/hisi_sas_main.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/drivers/scsi/hisi_sas/hisi_sas_main.c b/drivers/scsi/hisi_sas/hisi_sas_main.c index 3d63a24fea54..f86263b3bf1c 100644 --- a/drivers/scsi/hisi_sas/hisi_sas_main.c +++ b/drivers/scsi/hisi_sas/hisi_sas_main.c @@ -1070,6 +1070,13 @@ out: return rc; } +static int hisi_sas_clear_nexus_ha(struct sas_ha_struct *sas_ha) +{ + struct hisi_hba *hisi_hba = sas_ha->lldd_ha; + + return hisi_sas_controller_reset(hisi_hba); +} + static int hisi_sas_query_task(struct sas_task *task) { struct scsi_lun lun; @@ -1368,6 +1375,7 @@ static struct sas_domain_function_template hisi_sas_transport_ops = { .lldd_I_T_nexus_reset = hisi_sas_I_T_nexus_reset, .lldd_lu_reset = hisi_sas_lu_reset, .lldd_query_task = hisi_sas_query_task, + .lldd_clear_nexus_ha = hisi_sas_clear_nexus_ha, .lldd_port_formed = hisi_sas_port_formed, }; -- 2.20.1