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authorJames.Smart@Emulex.Com <James.Smart@Emulex.Com>2005-11-28 11:42:38 -0500
committerJames Bottomley <jejb@mulgrave.(none)>2005-12-13 18:35:09 -0700
commit445cf4f4d2aa28f6ddd1d7a5f0986341ad61ec91 (patch)
tree4a26741b03835b44e266ce4799f4e35cc3800e6f /drivers/scsi/lpfc/lpfc.h
parent875fbdfe9b1b4c8f12622a8d8d81428ff0984875 (diff)
[SCSI] lpfc 8.1.1 : Added code to adjust lun queue depth to avoid target overloading
Signed-off-by: James Smart <James.Smart@emulex.com> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
Diffstat (limited to 'drivers/scsi/lpfc/lpfc.h')
-rw-r--r--drivers/scsi/lpfc/lpfc.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/scsi/lpfc/lpfc.h b/drivers/scsi/lpfc/lpfc.h
index 1f3873ae9d6..38ffa8d6e62 100644
--- a/drivers/scsi/lpfc/lpfc.h
+++ b/drivers/scsi/lpfc/lpfc.h
@@ -29,9 +29,10 @@ struct lpfc_sli2_slim;
#define LPFC_LC_HBA_Q_DEPTH 1024 /* max cmds per low cost hba */
#define LPFC_LP101_HBA_Q_DEPTH 128 /* max cmds per low cost hba */
-#define LPFC_CMD_PER_LUN 30 /* max outstanding cmds per lun */
+#define LPFC_CMD_PER_LUN 3 /* max outstanding cmds per lun */
#define LPFC_SG_SEG_CNT 64 /* sg element count per scsi cmnd */
#define LPFC_IOCB_LIST_CNT 2250 /* list of IOCBs for fast-path usage. */
+#define LPFC_Q_RAMP_UP_INTERVAL 120 /* lun q_depth ramp up interval */
/* Define macros for 64 bit support */
#define putPaddrLow(addr) ((uint32_t) (0xffffffff & (u64)(addr)))