[SCSI] lpfc 8.3.15: Add target queue depth throttling
Signed-off-by: Alex Iannicelli <alex.iannicelli@emulex.com>
Signed-off-by: James Smart <james.smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
diff --git a/drivers/scsi/lpfc/lpfc.h b/drivers/scsi/lpfc/lpfc.h
index bb40fcb..3482d5a 100644
--- a/drivers/scsi/lpfc/lpfc.h
+++ b/drivers/scsi/lpfc/lpfc.h
@@ -48,7 +48,7 @@
#define LPFC_TGTQ_INTERVAL 40000 /* Min amount of time between tgt
queue depth change in millisecs */
#define LPFC_TGTQ_RAMPUP_PCENT 5 /* Target queue rampup in percentage */
-#define LPFC_MIN_TGT_QDEPTH 100
+#define LPFC_MIN_TGT_QDEPTH 10
#define LPFC_MAX_TGT_QDEPTH 0xFFFF
#define LPFC_MAX_BUCKET_COUNT 20 /* Maximum no. of buckets for stat data
@@ -400,6 +400,7 @@
uint32_t cfg_max_luns;
uint32_t cfg_enable_da_id;
uint32_t cfg_max_scsicmpl_time;
+ uint32_t cfg_tgt_queue_depth;
uint32_t dev_loss_tmo_changed;