xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

[SCSI] lpfc 8.3.15: Add target queue depth throttling

Browse Source 
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>
This commit is contained in:
James Smart
2010-07-14 15:32:10 -04:00
committed by James Bottomley
parent 3804dc84b8
commit 7dc517df3a
4 changed files with 22 additions and 10 deletions
Download Patch File Download Diff File Expand all files Collapse all files

12
drivers/scsi/lpfc/lpfc_attr.c
View File

@@ -2207,6 +2207,13 @@ LPFC_VPORT_ATTR_R(enable_da_id, 0, 0, 1,
LPFC_VPORT_ATTR_R(lun_queue_depth, 30, 1, 128,
"Max number of FCP commands we can queue to a specific LUN");
/*
# tgt_queue_depth: This parameter is used to limit the number of outstanding
# commands per target port. Value range is [10,65535]. Default value is 65535.
*/
LPFC_VPORT_ATTR_R(tgt_queue_depth, 65535, 10, 65535,
"Max number of FCP commands we can queue to a specific target port");
/*
# hba_queue_depth: This parameter is used to limit the number of outstanding
# commands per lpfc HBA. Value range is [32,8192]. If this parameter
@@ -3122,7 +3129,7 @@ lpfc_max_scsicmpl_time_set(struct lpfc_vport *vport, int val)
continue;
if (ndlp->nlp_state == NLP_STE_UNUSED_NODE)
continue;
ndlp->cmd_qdepth = LPFC_MAX_TGT_QDEPTH;
ndlp->cmd_qdepth = vport->cfg_tgt_queue_depth;
}
spin_unlock_irq(shost->host_lock);
return 0;
@@ -3326,6 +3333,7 @@ struct device_attribute *lpfc_hba_attrs[] = {
&dev_attr_lpfc_temp_sensor,
&dev_attr_lpfc_log_verbose,
&dev_attr_lpfc_lun_queue_depth,
&dev_attr_lpfc_tgt_queue_depth,
&dev_attr_lpfc_hba_queue_depth,
&dev_attr_lpfc_peer_port_login,
&dev_attr_lpfc_nodev_tmo,
@@ -3387,6 +3395,7 @@ struct device_attribute *lpfc_vport_attrs[] = {
&dev_attr_lpfc_drvr_version,
&dev_attr_lpfc_log_verbose,
&dev_attr_lpfc_lun_queue_depth,
&dev_attr_lpfc_tgt_queue_depth,
&dev_attr_lpfc_nodev_tmo,
&dev_attr_lpfc_devloss_tmo,
&dev_attr_lpfc_hba_queue_depth,
@@ -4575,6 +4584,7 @@ lpfc_get_vport_cfgparam(struct lpfc_vport *vport)
{
lpfc_log_verbose_init(vport, lpfc_log_verbose);
lpfc_lun_queue_depth_init(vport, lpfc_lun_queue_depth);
lpfc_tgt_queue_depth_init(vport, lpfc_tgt_queue_depth);
lpfc_devloss_tmo_init(vport, lpfc_devloss_tmo);
lpfc_nodev_tmo_init(vport, lpfc_nodev_tmo);
lpfc_peer_port_login_init(vport, lpfc_peer_port_login);