1 files changed, 398 insertions, 77 deletions

diff --git a/drivers/scsi/lpfc/lpfc_attr.c b/drivers/scsi/lpfc/lpfc_attr.c
index b62a72dfab29..9496e87c135e 100644
--- a/drivers/scsi/lpfc/lpfc_attr.c
+++ b/drivers/scsi/lpfc/lpfc_attr.c
@@ -39,6 +39,9 @@
 #include "lpfc_compat.h"
 #include "lpfc_crtn.h"
 
+#define LPFC_DEF_DEVLOSS_TMO 30
+#define LPFC_MIN_DEVLOSS_TMO 1
+#define LPFC_MAX_DEVLOSS_TMO 255
 
 static void
 lpfc_jedec_to_ascii(int incr, char hdw[])
@@ -219,8 +222,18 @@ lpfc_issue_lip(struct Scsi_Host *host)
 		return -ENOMEM;
 
 	memset((void *)pmboxq, 0, sizeof (LPFC_MBOXQ_t));
-	lpfc_init_link(phba, pmboxq, phba->cfg_topology, phba->cfg_link_speed);
-	mbxstatus = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2);
+	pmboxq->mb.mbxCommand = MBX_DOWN_LINK;
+	pmboxq->mb.mbxOwner = OWN_HOST;
+
+	mbxstatus = lpfc_sli_issue_mbox_wait(phba, pmboxq, LPFC_MBOX_TMO * 2);
+
+	if ((mbxstatus == MBX_SUCCESS) && (pmboxq->mb.mbxStatus == 0)) {
+		memset((void *)pmboxq, 0, sizeof (LPFC_MBOXQ_t));
+		lpfc_init_link(phba, pmboxq, phba->cfg_topology,
+			       phba->cfg_link_speed);
+		mbxstatus = lpfc_sli_issue_mbox_wait(phba, pmboxq,
+						     phba->fc_ratov * 2);
+	}
 
 	if (mbxstatus == MBX_TIMEOUT)
 		pmboxq->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
@@ -233,51 +246,53 @@ lpfc_issue_lip(struct Scsi_Host *host)
 	return 0;
 }
 
-static ssize_t
-lpfc_nport_evt_cnt_show(struct class_device *cdev, char *buf)
+static int
+lpfc_selective_reset(struct lpfc_hba *phba)
 {
-	struct Scsi_Host *host = class_to_shost(cdev);
-	struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata;
-	return snprintf(buf, PAGE_SIZE, "%d\n", phba->nport_event_cnt);
+	struct completion online_compl;
+	int status = 0;
+
+	init_completion(&online_compl);
+	lpfc_workq_post_event(phba, &status, &online_compl,
+			      LPFC_EVT_OFFLINE);
+	wait_for_completion(&online_compl);
+
+	if (status != 0)
+		return -EIO;
+
+	init_completion(&online_compl);
+	lpfc_workq_post_event(phba, &status, &online_compl,
+			      LPFC_EVT_ONLINE);
+	wait_for_completion(&online_compl);
+
+	if (status != 0)
+		return -EIO;
+
+	return 0;
 }
 
 static ssize_t
-lpfc_board_online_show(struct class_device *cdev, char *buf)
+lpfc_issue_reset(struct class_device *cdev, const char *buf, size_t count)
 {
 	struct Scsi_Host *host = class_to_shost(cdev);
 	struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata;
+	int status = -EINVAL;
 
-	if (phba->fc_flag & FC_OFFLINE_MODE)
-		return snprintf(buf, PAGE_SIZE, "0\n");
+	if (strncmp(buf, "selective", sizeof("selective") - 1) == 0)
+		status = lpfc_selective_reset(phba);
+
+	if (status == 0)
+		return strlen(buf);
 	else
-		return snprintf(buf, PAGE_SIZE, "1\n");
+		return status;
 }
 
 static ssize_t
-lpfc_board_online_store(struct class_device *cdev, const char *buf,
-								size_t count)
+lpfc_nport_evt_cnt_show(struct class_device *cdev, char *buf)
 {
 	struct Scsi_Host *host = class_to_shost(cdev);
 	struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata;
-	struct completion online_compl;
-	int val=0, status=0;
-
-	if (sscanf(buf, "%d", &val) != 1)
-		return -EINVAL;
-
-	init_completion(&online_compl);
-
-	if (val)
-		lpfc_workq_post_event(phba, &status, &online_compl,
-							LPFC_EVT_ONLINE);
-	else
-		lpfc_workq_post_event(phba, &status, &online_compl,
-							LPFC_EVT_OFFLINE);
-	wait_for_completion(&online_compl);
-	if (!status)
-		return strlen(buf);
-	else
-		return -EIO;
+	return snprintf(buf, PAGE_SIZE, "%d\n", phba->nport_event_cnt);
 }
 
 static ssize_t
@@ -532,10 +547,122 @@ static CLASS_DEVICE_ATTR(lpfc_drvr_version, S_IRUGO, lpfc_drvr_version_show,
 			 NULL);
 static CLASS_DEVICE_ATTR(management_version, S_IRUGO, management_version_show,
 			 NULL);
-static CLASS_DEVICE_ATTR(board_online, S_IRUGO | S_IWUSR,
-			 lpfc_board_online_show, lpfc_board_online_store);
 static CLASS_DEVICE_ATTR(board_mode, S_IRUGO | S_IWUSR,
 			 lpfc_board_mode_show, lpfc_board_mode_store);
+static CLASS_DEVICE_ATTR(issue_reset, S_IWUSR, NULL, lpfc_issue_reset);
+
+
+static char *lpfc_soft_wwpn_key = "C99G71SL8032A";
+
+static ssize_t
+lpfc_soft_wwpn_enable_store(struct class_device *cdev, const char *buf,
+				size_t count)
+{
+	struct Scsi_Host *host = class_to_shost(cdev);
+	struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata;
+	unsigned int cnt = count;
+
+	/*
+	 * We're doing a simple sanity check for soft_wwpn setting.
+	 * We require that the user write a specific key to enable
+	 * the soft_wwpn attribute to be settable. Once the attribute
+	 * is written, the enable key resets. If further updates are
+	 * desired, the key must be written again to re-enable the
+	 * attribute.
+	 *
+	 * The "key" is not secret - it is a hardcoded string shown
+	 * here. The intent is to protect against the random user or
+	 * application that is just writing attributes.
+	 */
+
+	/* count may include a LF at end of string */
+	if (buf[cnt-1] == '\n')
+		cnt--;
+
+	if ((cnt != strlen(lpfc_soft_wwpn_key)) ||
+	    (strncmp(buf, lpfc_soft_wwpn_key, strlen(lpfc_soft_wwpn_key)) != 0))
+		return -EINVAL;
+
+	phba->soft_wwpn_enable = 1;
+	return count;
+}
+static CLASS_DEVICE_ATTR(lpfc_soft_wwpn_enable, S_IWUSR, NULL,
+				lpfc_soft_wwpn_enable_store);
+
+static ssize_t
+lpfc_soft_wwpn_show(struct class_device *cdev, char *buf)
+{
+	struct Scsi_Host *host = class_to_shost(cdev);
+	struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata;
+	return snprintf(buf, PAGE_SIZE, "0x%llx\n", phba->cfg_soft_wwpn);
+}
+
+
+static ssize_t
+lpfc_soft_wwpn_store(struct class_device *cdev, const char *buf, size_t count)
+{
+	struct Scsi_Host *host = class_to_shost(cdev);
+	struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata;
+	struct completion online_compl;
+	int stat1=0, stat2=0;
+	unsigned int i, j, cnt=count;
+	u8 wwpn[8];
+
+	/* count may include a LF at end of string */
+	if (buf[cnt-1] == '\n')
+		cnt--;
+
+	if (!phba->soft_wwpn_enable || (cnt < 16) || (cnt > 18) ||
+	    ((cnt == 17) && (*buf++ != 'x')) ||
+	    ((cnt == 18) && ((*buf++ != '0') || (*buf++ != 'x'))))
+		return -EINVAL;
+
+	phba->soft_wwpn_enable = 0;
+
+	memset(wwpn, 0, sizeof(wwpn));
+
+	/* Validate and store the new name */
+	for (i=0, j=0; i < 16; i++) {
+		if ((*buf >= 'a') && (*buf <= 'f'))
+			j = ((j << 4) | ((*buf++ -'a') + 10));
+		else if ((*buf >= 'A') && (*buf <= 'F'))
+			j = ((j << 4) | ((*buf++ -'A') + 10));
+		else if ((*buf >= '0') && (*buf <= '9'))
+			j = ((j << 4) | (*buf++ -'0'));
+		else
+			return -EINVAL;
+		if (i % 2) {
+			wwpn[i/2] = j & 0xff;
+			j = 0;
+		}
+	}
+	phba->cfg_soft_wwpn = wwn_to_u64(wwpn);
+	fc_host_port_name(host) = phba->cfg_soft_wwpn;
+
+	dev_printk(KERN_NOTICE, &phba->pcidev->dev,
+		   "lpfc%d: Reinitializing to use soft_wwpn\n", phba->brd_no);
+
+	init_completion(&online_compl);
+	lpfc_workq_post_event(phba, &stat1, &online_compl, LPFC_EVT_OFFLINE);
+	wait_for_completion(&online_compl);
+	if (stat1)
+		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+			"%d:0463 lpfc_soft_wwpn attribute set failed to reinit "
+			"adapter - %d\n", phba->brd_no, stat1);
+
+	init_completion(&online_compl);
+	lpfc_workq_post_event(phba, &stat2, &online_compl, LPFC_EVT_ONLINE);
+	wait_for_completion(&online_compl);
+	if (stat2)
+		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+			"%d:0464 lpfc_soft_wwpn attribute set failed to reinit "
+			"adapter - %d\n", phba->brd_no, stat2);
+
+	return (stat1 || stat2) ? -EIO : count;
+}
+static CLASS_DEVICE_ATTR(lpfc_soft_wwpn, S_IRUGO | S_IWUSR,\
+			 lpfc_soft_wwpn_show, lpfc_soft_wwpn_store);
+
 
 static int lpfc_poll = 0;
 module_param(lpfc_poll, int, 0);
@@ -548,6 +675,123 @@ static CLASS_DEVICE_ATTR(lpfc_poll, S_IRUGO | S_IWUSR,
 			 lpfc_poll_show, lpfc_poll_store);
 
 /*
+# lpfc_nodev_tmo: If set, it will hold all I/O errors on devices that disappear
+# until the timer expires. Value range is [0,255]. Default value is 30.
+*/
+static int lpfc_nodev_tmo = LPFC_DEF_DEVLOSS_TMO;
+static int lpfc_devloss_tmo = LPFC_DEF_DEVLOSS_TMO;
+module_param(lpfc_nodev_tmo, int, 0);
+MODULE_PARM_DESC(lpfc_nodev_tmo,
+		 "Seconds driver will hold I/O waiting "
+		 "for a device to come back");
+static ssize_t
+lpfc_nodev_tmo_show(struct class_device *cdev, char *buf)
+{
+	struct Scsi_Host *host = class_to_shost(cdev);
+	struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata;
+	int val = 0;
+	val = phba->cfg_devloss_tmo;
+	return snprintf(buf, PAGE_SIZE, "%d\n",
+			phba->cfg_devloss_tmo);
+}
+
+static int
+lpfc_nodev_tmo_init(struct lpfc_hba *phba, int val)
+{
+	static int warned;
+	if (phba->cfg_devloss_tmo !=  LPFC_DEF_DEVLOSS_TMO) {
+		phba->cfg_nodev_tmo = phba->cfg_devloss_tmo;
+		if (!warned && val != LPFC_DEF_DEVLOSS_TMO) {
+			warned = 1;
+			lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+					"%d:0402 Ignoring nodev_tmo module "
+					"parameter because devloss_tmo is"
+					" set.\n",
+					phba->brd_no);
+		}
+		return 0;
+	}
+
+	if (val >= LPFC_MIN_DEVLOSS_TMO && val <= LPFC_MAX_DEVLOSS_TMO) {
+		phba->cfg_nodev_tmo = val;
+		phba->cfg_devloss_tmo = val;
+		return 0;
+	}
+	lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+			"%d:0400 lpfc_nodev_tmo attribute cannot be set to %d, "
+			"allowed range is [%d, %d]\n",
+			phba->brd_no, val,
+			LPFC_MIN_DEVLOSS_TMO, LPFC_MAX_DEVLOSS_TMO);
+	phba->cfg_nodev_tmo = LPFC_DEF_DEVLOSS_TMO;
+	return -EINVAL;
+}
+
+static int
+lpfc_nodev_tmo_set(struct lpfc_hba *phba, int val)
+{
+	if (phba->dev_loss_tmo_changed ||
+		(lpfc_devloss_tmo != LPFC_DEF_DEVLOSS_TMO)) {
+		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+				"%d:0401 Ignoring change to nodev_tmo "
+				"because devloss_tmo is set.\n",
+				phba->brd_no);
+		return 0;
+	}
+
+	if (val >= LPFC_MIN_DEVLOSS_TMO && val <= LPFC_MAX_DEVLOSS_TMO) {
+		phba->cfg_nodev_tmo = val;
+		phba->cfg_devloss_tmo = val;
+		return 0;
+	}
+
+	lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+			"%d:0403 lpfc_nodev_tmo attribute cannot be set to %d, "
+			"allowed range is [%d, %d]\n",
+			phba->brd_no, val, LPFC_MIN_DEVLOSS_TMO,
+			LPFC_MAX_DEVLOSS_TMO);
+	return -EINVAL;
+}
+
+lpfc_param_store(nodev_tmo)
+
+static CLASS_DEVICE_ATTR(lpfc_nodev_tmo, S_IRUGO | S_IWUSR,
+			 lpfc_nodev_tmo_show, lpfc_nodev_tmo_store);
+
+/*
+# lpfc_devloss_tmo: If set, it will hold all I/O errors on devices that
+# disappear until the timer expires. Value range is [0,255]. Default
+# value is 30.
+*/
+module_param(lpfc_devloss_tmo, int, 0);
+MODULE_PARM_DESC(lpfc_devloss_tmo,
+		 "Seconds driver will hold I/O waiting "
+		 "for a device to come back");
+lpfc_param_init(devloss_tmo, LPFC_DEF_DEVLOSS_TMO,
+		LPFC_MIN_DEVLOSS_TMO, LPFC_MAX_DEVLOSS_TMO)
+lpfc_param_show(devloss_tmo)
+static int
+lpfc_devloss_tmo_set(struct lpfc_hba *phba, int val)
+{
+	if (val >= LPFC_MIN_DEVLOSS_TMO && val <= LPFC_MAX_DEVLOSS_TMO) {
+		phba->cfg_nodev_tmo = val;
+		phba->cfg_devloss_tmo = val;
+		phba->dev_loss_tmo_changed = 1;
+		return 0;
+	}
+
+	lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+			"%d:0404 lpfc_devloss_tmo attribute cannot be set to"
+			" %d, allowed range is [%d, %d]\n",
+			phba->brd_no, val, LPFC_MIN_DEVLOSS_TMO,
+			LPFC_MAX_DEVLOSS_TMO);
+	return -EINVAL;
+}
+
+lpfc_param_store(devloss_tmo)
+static CLASS_DEVICE_ATTR(lpfc_devloss_tmo, S_IRUGO | S_IWUSR,
+	lpfc_devloss_tmo_show, lpfc_devloss_tmo_store);
+
+/*
 # lpfc_log_verbose: Only turn this flag on if you are willing to risk being
 # deluged with LOTS of information.
 # You can set a bit mask to record specific types of verbose messages:
@@ -606,14 +850,6 @@ LPFC_ATTR_R(scan_down, 1, 0, 1,
 	     "Start scanning for devices from highest ALPA to lowest");
 
 /*
-# lpfc_nodev_tmo: If set, it will hold all I/O errors on devices that disappear
-# until the timer expires. Value range is [0,255]. Default value is 30.
-# NOTE: this MUST be less then the SCSI Layer command timeout - 1.
-*/
-LPFC_ATTR_RW(nodev_tmo, 30, 0, 255,
-	     "Seconds driver will hold I/O waiting for a device to come back");
-
-/*
 # lpfc_topology:  link topology for init link
 #            0x0  = attempt loop mode then point-to-point
 #            0x01 = internal loopback mode
@@ -695,12 +931,12 @@ LPFC_ATTR(discovery_threads, 32, 1, 64, "Maximum number of ELS commands "
 		 "during discovery");
 
 /*
-# lpfc_max_luns: maximum number of LUNs per target driver will support
-# Value range is [1,32768]. Default value is 256.
-# NOTE: The SCSI layer will scan each target for this many luns
+# lpfc_max_luns: maximum allowed LUN.
+# Value range is [0,65535]. Default value is 255.
+# NOTE: The SCSI layer might probe all allowed LUN on some old targets.
 */
-LPFC_ATTR_R(max_luns, 256, 1, 32768,
-	     "Maximum number of LUNs per target driver will support");
+LPFC_ATTR_R(max_luns, 255, 0, 65535,
+	     "Maximum allowed LUN");
 
 /*
 # lpfc_poll_tmo: .Milliseconds driver will wait between polling FCP ring.
@@ -709,6 +945,7 @@ LPFC_ATTR_R(max_luns, 256, 1, 32768,
 LPFC_ATTR_RW(poll_tmo, 10, 1, 255,
 	     "Milliseconds driver will wait between polling FCP ring");
 
+
 struct class_device_attribute *lpfc_host_attrs[] = {
 	&class_device_attr_info,
 	&class_device_attr_serialnum,
@@ -726,6 +963,7 @@ struct class_device_attribute *lpfc_host_attrs[] = {
 	&class_device_attr_lpfc_lun_queue_depth,
 	&class_device_attr_lpfc_hba_queue_depth,
 	&class_device_attr_lpfc_nodev_tmo,
+	&class_device_attr_lpfc_devloss_tmo,
 	&class_device_attr_lpfc_fcp_class,
 	&class_device_attr_lpfc_use_adisc,
 	&class_device_attr_lpfc_ack0,
@@ -739,10 +977,12 @@ struct class_device_attribute *lpfc_host_attrs[] = {
 	&class_device_attr_lpfc_max_luns,
 	&class_device_attr_nport_evt_cnt,
 	&class_device_attr_management_version,
-	&class_device_attr_board_online,
 	&class_device_attr_board_mode,
+	&class_device_attr_issue_reset,
 	&class_device_attr_lpfc_poll,
 	&class_device_attr_lpfc_poll_tmo,
+	&class_device_attr_lpfc_soft_wwpn,
+	&class_device_attr_lpfc_soft_wwpn_enable,
 	NULL,
 };
 
@@ -873,7 +1113,7 @@ sysfs_mbox_write(struct kobject *kobj, char *buf, loff_t off, size_t count)
 		    phba->sysfs_mbox.mbox   == NULL ) {
 			sysfs_mbox_idle(phba);
 			spin_unlock_irq(host->host_lock);
-			return -EINVAL;
+			return -EAGAIN;
 		}
 	}
 
@@ -989,14 +1229,15 @@ sysfs_mbox_read(struct kobject *kobj, char *buf, loff_t off, size_t count)
 			spin_unlock_irq(phba->host->host_lock);
 			rc = lpfc_sli_issue_mbox_wait (phba,
 						       phba->sysfs_mbox.mbox,
-						       phba->fc_ratov * 2);
+				lpfc_mbox_tmo_val(phba,
+				    phba->sysfs_mbox.mbox->mb.mbxCommand) * HZ);
 			spin_lock_irq(phba->host->host_lock);
 		}
 
 		if (rc != MBX_SUCCESS) {
 			sysfs_mbox_idle(phba);
 			spin_unlock_irq(host->host_lock);
-			return -ENODEV;
+			return  (rc == MBX_TIMEOUT) ? -ETIME : -ENODEV;
 		}
 		phba->sysfs_mbox.state = SMBOX_READING;
 	}
@@ -1005,7 +1246,7 @@ sysfs_mbox_read(struct kobject *kobj, char *buf, loff_t off, size_t count)
 		printk(KERN_WARNING  "mbox_read: Bad State\n");
 		sysfs_mbox_idle(phba);
 		spin_unlock_irq(host->host_lock);
-		return -EINVAL;
+		return -EAGAIN;
 	}
 
 	memcpy(buf, (uint8_t *) & phba->sysfs_mbox.mbox->mb + off, count);
@@ -1192,6 +1433,15 @@ lpfc_get_host_fabric_name (struct Scsi_Host *shost)
 	fc_host_fabric_name(shost) = node_name;
 }
 
+static void
+lpfc_get_host_symbolic_name (struct Scsi_Host *shost)
+{
+	struct lpfc_hba *phba = (struct lpfc_hba*)shost->hostdata;
+
+	spin_lock_irq(shost->host_lock);
+	lpfc_get_hba_sym_node_name(phba, fc_host_symbolic_name(shost));
+	spin_unlock_irq(shost->host_lock);
+}
 
 static struct fc_host_statistics *
 lpfc_get_stats(struct Scsi_Host *shost)
@@ -1199,8 +1449,10 @@ lpfc_get_stats(struct Scsi_Host *shost)
 	struct lpfc_hba *phba = (struct lpfc_hba *)shost->hostdata;
 	struct lpfc_sli *psli = &phba->sli;
 	struct fc_host_statistics *hs = &phba->link_stats;
+	struct lpfc_lnk_stat * lso = &psli->lnk_stat_offsets;
 	LPFC_MBOXQ_t *pmboxq;
 	MAILBOX_t *pmb;
+	unsigned long seconds;
 	int rc = 0;
 
 	pmboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
@@ -1261,22 +1513,103 @@ lpfc_get_stats(struct Scsi_Host *shost)
 	hs->invalid_crc_count = pmb->un.varRdLnk.crcCnt;
 	hs->error_frames = pmb->un.varRdLnk.crcCnt;
 
+	hs->link_failure_count -= lso->link_failure_count;
+	hs->loss_of_sync_count -= lso->loss_of_sync_count;
+	hs->loss_of_signal_count -= lso->loss_of_signal_count;
+	hs->prim_seq_protocol_err_count -= lso->prim_seq_protocol_err_count;
+	hs->invalid_tx_word_count -= lso->invalid_tx_word_count;
+	hs->invalid_crc_count -= lso->invalid_crc_count;
+	hs->error_frames -= lso->error_frames;
+
 	if (phba->fc_topology == TOPOLOGY_LOOP) {
 		hs->lip_count = (phba->fc_eventTag >> 1);
+		hs->lip_count -= lso->link_events;
 		hs->nos_count = -1;
 	} else {
 		hs->lip_count = -1;
 		hs->nos_count = (phba->fc_eventTag >> 1);
+		hs->nos_count -= lso->link_events;
 	}
 
 	hs->dumped_frames = -1;
 
-/* FIX ME */
-	/*hs->SecondsSinceLastReset = (jiffies - lpfc_loadtime) / HZ;*/
+	seconds = get_seconds();
+	if (seconds < psli->stats_start)
+		hs->seconds_since_last_reset = seconds +
+				((unsigned long)-1 - psli->stats_start);
+	else
+		hs->seconds_since_last_reset = seconds - psli->stats_start;
 
 	return hs;
 }
 
+static void
+lpfc_reset_stats(struct Scsi_Host *shost)
+{
+	struct lpfc_hba *phba = (struct lpfc_hba *)shost->hostdata;
+	struct lpfc_sli *psli = &phba->sli;
+	struct lpfc_lnk_stat * lso = &psli->lnk_stat_offsets;
+	LPFC_MBOXQ_t *pmboxq;
+	MAILBOX_t *pmb;
+	int rc = 0;
+
+	pmboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
+	if (!pmboxq)
+		return;
+	memset(pmboxq, 0, sizeof(LPFC_MBOXQ_t));
+
+	pmb = &pmboxq->mb;
+	pmb->mbxCommand = MBX_READ_STATUS;
+	pmb->mbxOwner = OWN_HOST;
+	pmb->un.varWords[0] = 0x1; /* reset request */
+	pmboxq->context1 = NULL;
+
+	if ((phba->fc_flag & FC_OFFLINE_MODE) ||
+		(!(psli->sli_flag & LPFC_SLI2_ACTIVE)))
+		rc = lpfc_sli_issue_mbox(phba, pmboxq, MBX_POLL);
+	else
+		rc = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2);
+
+	if (rc != MBX_SUCCESS) {
+		if (rc == MBX_TIMEOUT)
+			pmboxq->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
+		else
+			mempool_free(pmboxq, phba->mbox_mem_pool);
+		return;
+	}
+
+	memset(pmboxq, 0, sizeof(LPFC_MBOXQ_t));
+	pmb->mbxCommand = MBX_READ_LNK_STAT;
+	pmb->mbxOwner = OWN_HOST;
+	pmboxq->context1 = NULL;
+
+	if ((phba->fc_flag & FC_OFFLINE_MODE) ||
+	    (!(psli->sli_flag & LPFC_SLI2_ACTIVE)))
+		rc = lpfc_sli_issue_mbox(phba, pmboxq, MBX_POLL);
+	else
+		rc = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2);
+
+	if (rc != MBX_SUCCESS) {
+		if (rc == MBX_TIMEOUT)
+			pmboxq->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
+		else
+			mempool_free( pmboxq, phba->mbox_mem_pool);
+		return;
+	}
+
+	lso->link_failure_count = pmb->un.varRdLnk.linkFailureCnt;
+	lso->loss_of_sync_count = pmb->un.varRdLnk.lossSyncCnt;
+	lso->loss_of_signal_count = pmb->un.varRdLnk.lossSignalCnt;
+	lso->prim_seq_protocol_err_count = pmb->un.varRdLnk.primSeqErrCnt;
+	lso->invalid_tx_word_count = pmb->un.varRdLnk.invalidXmitWord;
+	lso->invalid_crc_count = pmb->un.varRdLnk.crcCnt;
+	lso->error_frames = pmb->un.varRdLnk.crcCnt;
+	lso->link_events = (phba->fc_eventTag >> 1);
+
+	psli->stats_start = get_seconds();
+
+	return;
+}
 
 /*
  * The LPFC driver treats linkdown handling as target loss events so there
@@ -1346,27 +1679,12 @@ lpfc_get_starget_port_name(struct scsi_target *starget)
 }
 
 static void
-lpfc_get_rport_loss_tmo(struct fc_rport *rport)
-{
-	/*
-	 * Return the driver's global value for device loss timeout plus
-	 * five seconds to allow the driver's nodev timer to run.
-	 */
-	rport->dev_loss_tmo = lpfc_nodev_tmo + 5;
-}
-
-static void
 lpfc_set_rport_loss_tmo(struct fc_rport *rport, uint32_t timeout)
 {
-	/*
-	 * The driver doesn't have a per-target timeout setting.  Set
-	 * this value globally. lpfc_nodev_tmo should be greater then 0.
-	 */
 	if (timeout)
-		lpfc_nodev_tmo = timeout;
+		rport->dev_loss_tmo = timeout;
 	else
-		lpfc_nodev_tmo = 1;
-	rport->dev_loss_tmo = lpfc_nodev_tmo + 5;
+		rport->dev_loss_tmo = 1;
 }
 
 
@@ -1391,7 +1709,6 @@ struct fc_function_template lpfc_transport_functions = {
 	.show_host_port_name = 1,
 	.show_host_supported_classes = 1,
 	.show_host_supported_fc4s = 1,
-	.show_host_symbolic_name = 1,
 	.show_host_supported_speeds = 1,
 	.show_host_maxframe_size = 1,
 
@@ -1414,20 +1731,21 @@ struct fc_function_template lpfc_transport_functions = {
 	.get_host_fabric_name = lpfc_get_host_fabric_name,
 	.show_host_fabric_name = 1,
 
+	.get_host_symbolic_name = lpfc_get_host_symbolic_name,
+	.show_host_symbolic_name = 1,
+
 	/*
 	 * The LPFC driver treats linkdown handling as target loss events
 	 * so there are no sysfs handlers for link_down_tmo.
 	 */
 
 	.get_fc_host_stats = lpfc_get_stats,
-
-	/* the LPFC driver doesn't support resetting stats yet */
+	.reset_fc_host_stats = lpfc_reset_stats,
 
 	.dd_fcrport_size = sizeof(struct lpfc_rport_data),
 	.show_rport_maxframe_size = 1,
 	.show_rport_supported_classes = 1,
 
-	.get_rport_dev_loss_tmo = lpfc_get_rport_loss_tmo,
 	.set_rport_dev_loss_tmo = lpfc_set_rport_loss_tmo,
 	.show_rport_dev_loss_tmo = 1,
 
@@ -1441,6 +1759,8 @@ struct fc_function_template lpfc_transport_functions = {
 	.show_starget_port_name = 1,
 
 	.issue_fc_host_lip = lpfc_issue_lip,
+	.dev_loss_tmo_callbk = lpfc_dev_loss_tmo_callbk,
+	.terminate_rport_io = lpfc_terminate_rport_io,
 };
 
 void
@@ -1456,14 +1776,15 @@ lpfc_get_cfgparam(struct lpfc_hba *phba)
 	lpfc_ack0_init(phba, lpfc_ack0);
 	lpfc_topology_init(phba, lpfc_topology);
 	lpfc_scan_down_init(phba, lpfc_scan_down);
-	lpfc_nodev_tmo_init(phba, lpfc_nodev_tmo);
 	lpfc_link_speed_init(phba, lpfc_link_speed);
 	lpfc_fdmi_on_init(phba, lpfc_fdmi_on);
 	lpfc_discovery_threads_init(phba, lpfc_discovery_threads);
 	lpfc_max_luns_init(phba, lpfc_max_luns);
 	lpfc_poll_tmo_init(phba, lpfc_poll_tmo);
-
+	lpfc_devloss_tmo_init(phba, lpfc_devloss_tmo);
+	lpfc_nodev_tmo_init(phba, lpfc_nodev_tmo);
 	phba->cfg_poll = lpfc_poll;
+	phba->cfg_soft_wwpn = 0L;
 
 	/*
 	 * The total number of segments is the configuration value plus 2