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path: root/drivers/scsi/lpfc/lpfc_attr.c
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Diffstat (limited to 'drivers/scsi/lpfc/lpfc_attr.c')
-rw-r--r--drivers/scsi/lpfc/lpfc_attr.c97
1 files changed, 74 insertions, 23 deletions
diff --git a/drivers/scsi/lpfc/lpfc_attr.c b/drivers/scsi/lpfc/lpfc_attr.c
index bf33b315f93e..162704cf6a96 100644
--- a/drivers/scsi/lpfc/lpfc_attr.c
+++ b/drivers/scsi/lpfc/lpfc_attr.c
@@ -506,10 +506,10 @@ lpfc_link_state_store(struct device *dev, struct device_attribute *attr,
if ((strncmp(buf, "up", sizeof("up") - 1) == 0) &&
(phba->link_state == LPFC_LINK_DOWN))
- status = phba->lpfc_hba_init_link(phba);
+ status = phba->lpfc_hba_init_link(phba, MBX_NOWAIT);
else if ((strncmp(buf, "down", sizeof("down") - 1) == 0) &&
(phba->link_state >= LPFC_LINK_UP))
- status = phba->lpfc_hba_down_link(phba);
+ status = phba->lpfc_hba_down_link(phba, MBX_NOWAIT);
if (status == 0)
return strlen(buf);
@@ -864,7 +864,6 @@ lpfc_get_hba_info(struct lpfc_hba *phba,
uint32_t *mrpi, uint32_t *arpi,
uint32_t *mvpi, uint32_t *avpi)
{
- struct lpfc_sli *psli = &phba->sli;
struct lpfc_mbx_read_config *rd_config;
LPFC_MBOXQ_t *pmboxq;
MAILBOX_t *pmb;
@@ -893,8 +892,7 @@ lpfc_get_hba_info(struct lpfc_hba *phba,
pmb->mbxOwner = OWN_HOST;
pmboxq->context1 = NULL;
- if ((phba->pport->fc_flag & FC_OFFLINE_MODE) ||
- (!(psli->sli_flag & LPFC_SLI_ACTIVE)))
+ if (phba->pport->fc_flag & FC_OFFLINE_MODE)
rc = MBX_NOT_FINISHED;
else
rc = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2);
@@ -1949,6 +1947,59 @@ static DEVICE_ATTR(lpfc_enable_npiv, S_IRUGO, lpfc_enable_npiv_show, NULL);
LPFC_ATTR_R(suppress_link_up, LPFC_INITIALIZE_LINK, LPFC_INITIALIZE_LINK,
LPFC_DELAY_INIT_LINK_INDEFINITELY,
"Suppress Link Up at initialization");
+/*
+# lpfc_cnt: Number of IOCBs allocated for ELS, CT, and ABTS
+# 1 - (1024)
+# 2 - (2048)
+# 3 - (3072)
+# 4 - (4096)
+# 5 - (5120)
+*/
+static ssize_t
+lpfc_iocb_hw_show(struct device *dev, struct device_attribute *attr, char *buf)
+{
+ struct Scsi_Host *shost = class_to_shost(dev);
+ struct lpfc_hba *phba = ((struct lpfc_vport *) shost->hostdata)->phba;
+
+ return snprintf(buf, PAGE_SIZE, "%d\n", phba->iocb_max);
+}
+
+static DEVICE_ATTR(iocb_hw, S_IRUGO,
+ lpfc_iocb_hw_show, NULL);
+static ssize_t
+lpfc_txq_hw_show(struct device *dev, struct device_attribute *attr, char *buf)
+{
+ struct Scsi_Host *shost = class_to_shost(dev);
+ struct lpfc_hba *phba = ((struct lpfc_vport *) shost->hostdata)->phba;
+
+ return snprintf(buf, PAGE_SIZE, "%d\n",
+ phba->sli.ring[LPFC_ELS_RING].txq_max);
+}
+
+static DEVICE_ATTR(txq_hw, S_IRUGO,
+ lpfc_txq_hw_show, NULL);
+static ssize_t
+lpfc_txcmplq_hw_show(struct device *dev, struct device_attribute *attr,
+ char *buf)
+{
+ struct Scsi_Host *shost = class_to_shost(dev);
+ struct lpfc_hba *phba = ((struct lpfc_vport *) shost->hostdata)->phba;
+
+ return snprintf(buf, PAGE_SIZE, "%d\n",
+ phba->sli.ring[LPFC_ELS_RING].txcmplq_max);
+}
+
+static DEVICE_ATTR(txcmplq_hw, S_IRUGO,
+ lpfc_txcmplq_hw_show, NULL);
+
+int lpfc_iocb_cnt = 2;
+module_param(lpfc_iocb_cnt, int, 1);
+MODULE_PARM_DESC(lpfc_iocb_cnt,
+ "Number of IOCBs alloc for ELS, CT, and ABTS: 1k to 5k IOCBs");
+lpfc_param_show(iocb_cnt);
+lpfc_param_init(iocb_cnt, 2, 1, 5);
+static DEVICE_ATTR(lpfc_iocb_cnt, S_IRUGO,
+ lpfc_iocb_cnt_show, NULL);
/*
# lpfc_nodev_tmo: If set, it will hold all I/O errors on devices that disappear
@@ -2157,6 +2208,13 @@ 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
# value is greater than the maximum number of exchanges supported by the HBA,
@@ -2720,7 +2778,6 @@ static struct bin_attribute sysfs_drvr_stat_data_attr = {
.attr = {
.name = "lpfc_drvr_stat_data",
.mode = S_IRUSR,
- .owner = THIS_MODULE,
},
.size = LPFC_MAX_TARGET * MAX_STAT_DATA_SIZE_PER_TARGET,
.read = sysfs_drvr_stat_data_read,
@@ -2890,9 +2947,6 @@ lpfc_aer_support_store(struct device *dev, struct device_attribute *attr,
struct lpfc_hba *phba = vport->phba;
int val = 0, rc = -EINVAL;
- /* AER not supported on OC devices yet */
- if (phba->pci_dev_grp == LPFC_PCI_DEV_OC)
- return -EPERM;
if (!isdigit(buf[0]))
return -EINVAL;
if (sscanf(buf, "%i", &val) != 1)
@@ -2965,12 +3019,6 @@ lpfc_param_show(aer_support)
static int
lpfc_aer_support_init(struct lpfc_hba *phba, int val)
{
- /* AER not supported on OC devices yet */
- if (phba->pci_dev_grp == LPFC_PCI_DEV_OC) {
- phba->cfg_aer_support = 0;
- return -EPERM;
- }
-
if (val == 0 || val == 1) {
phba->cfg_aer_support = val;
return 0;
@@ -3015,9 +3063,6 @@ lpfc_aer_cleanup_state(struct device *dev, struct device_attribute *attr,
struct lpfc_hba *phba = vport->phba;
int val, rc = -1;
- /* AER not supported on OC devices yet */
- if (phba->pci_dev_grp == LPFC_PCI_DEV_OC)
- return -EPERM;
if (!isdigit(buf[0]))
return -EINVAL;
if (sscanf(buf, "%i", &val) != 1)
@@ -3083,7 +3128,7 @@ 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;
@@ -3287,6 +3332,7 @@ 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,
@@ -3334,6 +3380,10 @@ struct device_attribute *lpfc_hba_attrs[] = {
&dev_attr_lpfc_aer_support,
&dev_attr_lpfc_aer_state_cleanup,
&dev_attr_lpfc_suppress_link_up,
+ &dev_attr_lpfc_iocb_cnt,
+ &dev_attr_iocb_hw,
+ &dev_attr_txq_hw,
+ &dev_attr_txcmplq_hw,
NULL,
};
@@ -3344,6 +3394,7 @@ 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,
@@ -4042,8 +4093,7 @@ lpfc_get_stats(struct Scsi_Host *shost)
pmboxq->context1 = NULL;
pmboxq->vport = vport;
- if ((vport->fc_flag & FC_OFFLINE_MODE) ||
- (!(psli->sli_flag & LPFC_SLI_ACTIVE)))
+ if (vport->fc_flag & FC_OFFLINE_MODE)
rc = lpfc_sli_issue_mbox(phba, pmboxq, MBX_POLL);
else
rc = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2);
@@ -4067,8 +4117,7 @@ lpfc_get_stats(struct Scsi_Host *shost)
pmboxq->context1 = NULL;
pmboxq->vport = vport;
- if ((vport->fc_flag & FC_OFFLINE_MODE) ||
- (!(psli->sli_flag & LPFC_SLI_ACTIVE)))
+ if (vport->fc_flag & FC_OFFLINE_MODE)
rc = lpfc_sli_issue_mbox(phba, pmboxq, MBX_POLL);
else
rc = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2);
@@ -4521,6 +4570,7 @@ lpfc_get_cfgparam(struct lpfc_hba *phba)
lpfc_hba_log_verbose_init(phba, lpfc_log_verbose);
lpfc_aer_support_init(phba, lpfc_aer_support);
lpfc_suppress_link_up_init(phba, lpfc_suppress_link_up);
+ lpfc_iocb_cnt_init(phba, lpfc_iocb_cnt);
return;
}
@@ -4533,6 +4583,7 @@ 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);
generated by cgit v1.2.3 (git 2.39.0) at 2024-12-14 23:52:07 +0300