Adding upstream version 6.6.15.upstream/6.6.15

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 7415 insertions, 0 deletions

diff --git a/drivers/scsi/lpfc/lpfc_attr.c b/drivers/scsi/lpfc/lpfc_attr.c
new file mode 100644
index 000000000..b1c9107d3
--- /dev/null
+++ b/drivers/scsi/lpfc/lpfc_attr.c
@@ -0,0 +1,7415 @@
+/*******************************************************************
+ * This file is part of the Emulex Linux Device Driver for         *
+ * Fibre Channel Host Bus Adapters.                                *
+ * Copyright (C) 2017-2023 Broadcom. All Rights Reserved. The term *
+ * “Broadcom” refers to Broadcom Inc. and/or its subsidiaries.  *
+ * Copyright (C) 2004-2016 Emulex.  All rights reserved.           *
+ * EMULEX and SLI are trademarks of Emulex.                        *
+ * www.broadcom.com                                                *
+ * Portions Copyright (C) 2004-2005 Christoph Hellwig              *
+ *                                                                 *
+ * This program is free software; you can redistribute it and/or   *
+ * modify it under the terms of version 2 of the GNU General       *
+ * Public License as published by the Free Software Foundation.    *
+ * This program is distributed in the hope that it will be useful. *
+ * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND          *
+ * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY,  *
+ * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE      *
+ * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD *
+ * TO BE LEGALLY INVALID.  See the GNU General Public License for  *
+ * more details, a copy of which can be found in the file COPYING  *
+ * included with this package.                                     *
+ *******************************************************************/
+
+#include <linux/ctype.h>
+#include <linux/delay.h>
+#include <linux/pci.h>
+#include <linux/interrupt.h>
+#include <linux/module.h>
+#include <linux/aer.h>
+#include <linux/gfp.h>
+#include <linux/kernel.h>
+
+#include <scsi/scsi.h>
+#include <scsi/scsi_device.h>
+#include <scsi/scsi_host.h>
+#include <scsi/scsi_tcq.h>
+#include <scsi/scsi_transport_fc.h>
+#include <scsi/fc/fc_fs.h>
+
+#include "lpfc_hw4.h"
+#include "lpfc_hw.h"
+#include "lpfc_sli.h"
+#include "lpfc_sli4.h"
+#include "lpfc_nl.h"
+#include "lpfc_disc.h"
+#include "lpfc.h"
+#include "lpfc_scsi.h"
+#include "lpfc_nvme.h"
+#include "lpfc_logmsg.h"
+#include "lpfc_version.h"
+#include "lpfc_compat.h"
+#include "lpfc_crtn.h"
+#include "lpfc_vport.h"
+#include "lpfc_attr.h"
+
+#define LPFC_DEF_DEVLOSS_TMO	30
+#define LPFC_MIN_DEVLOSS_TMO	1
+#define LPFC_MAX_DEVLOSS_TMO	255
+
+#define LPFC_MAX_INFO_TMP_LEN	100
+#define LPFC_INFO_MORE_STR	"\nCould be more info...\n"
+/*
+ * Write key size should be multiple of 4. If write key is changed
+ * make sure that library write key is also changed.
+ */
+#define LPFC_REG_WRITE_KEY_SIZE	4
+#define LPFC_REG_WRITE_KEY	"EMLX"
+
+const char *const trunk_errmsg[] = {	/* map errcode */
+	"",	/* There is no such error code at index 0*/
+	"link negotiated speed does not match existing"
+		" trunk - link was \"low\" speed",
+	"link negotiated speed does not match"
+		" existing trunk - link was \"middle\" speed",
+	"link negotiated speed does not match existing"
+		" trunk - link was \"high\" speed",
+	"Attached to non-trunking port - F_Port",
+	"Attached to non-trunking port - N_Port",
+	"FLOGI response timeout",
+	"non-FLOGI frame received",
+	"Invalid FLOGI response",
+	"Trunking initialization protocol",
+	"Trunk peer device mismatch",
+};
+
+/**
+ * lpfc_jedec_to_ascii - Hex to ascii convertor according to JEDEC rules
+ * @incr: integer to convert.
+ * @hdw: ascii string holding converted integer plus a string terminator.
+ *
+ * Description:
+ * JEDEC Joint Electron Device Engineering Council.
+ * Convert a 32 bit integer composed of 8 nibbles into an 8 byte ascii
+ * character string. The string is then terminated with a NULL in byte 9.
+ * Hex 0-9 becomes ascii '0' to '9'.
+ * Hex a-f becomes ascii '=' to 'B' capital B.
+ *
+ * Notes:
+ * Coded for 32 bit integers only.
+ **/
+static void
+lpfc_jedec_to_ascii(int incr, char hdw[])
+{
+	int i, j;
+	for (i = 0; i < 8; i++) {
+		j = (incr & 0xf);
+		if (j <= 9)
+			hdw[7 - i] = 0x30 +  j;
+		 else
+			hdw[7 - i] = 0x61 + j - 10;
+		incr = (incr >> 4);
+	}
+	hdw[8] = 0;
+	return;
+}
+
+static ssize_t
+lpfc_cmf_info_show(struct device *dev, struct device_attribute *attr,
+		   char *buf)
+{
+	struct Scsi_Host  *shost = class_to_shost(dev);
+	struct lpfc_vport *vport = (struct lpfc_vport *)shost->hostdata;
+	struct lpfc_hba   *phba = vport->phba;
+	struct lpfc_cgn_info *cp = NULL;
+	struct lpfc_cgn_stat *cgs;
+	int  len = 0;
+	int cpu;
+	u64 rcv, total;
+	char tmp[LPFC_MAX_INFO_TMP_LEN] = {0};
+
+	if (phba->cgn_i)
+		cp = (struct lpfc_cgn_info *)phba->cgn_i->virt;
+
+	scnprintf(tmp, sizeof(tmp),
+		  "Congestion Mgmt Info: E2Eattr %d Ver %d "
+		  "CMF %d cnt %d\n",
+		  phba->sli4_hba.pc_sli4_params.mi_cap,
+		  cp ? cp->cgn_info_version : 0,
+		  phba->sli4_hba.pc_sli4_params.cmf, phba->cmf_timer_cnt);
+
+	if (strlcat(buf, tmp, PAGE_SIZE) >= PAGE_SIZE)
+		goto buffer_done;
+
+	if (!phba->sli4_hba.pc_sli4_params.cmf)
+		goto buffer_done;
+
+	switch (phba->cgn_init_reg_signal) {
+	case EDC_CG_SIG_WARN_ONLY:
+		scnprintf(tmp, sizeof(tmp),
+			  "Register: Init:  Signal:WARN  ");
+		break;
+	case EDC_CG_SIG_WARN_ALARM:
+		scnprintf(tmp, sizeof(tmp),
+			  "Register: Init:  Signal:WARN|ALARM  ");
+		break;
+	default:
+		scnprintf(tmp, sizeof(tmp),
+			  "Register: Init:  Signal:NONE  ");
+		break;
+	}
+	if (strlcat(buf, tmp, PAGE_SIZE) >= PAGE_SIZE)
+		goto buffer_done;
+
+	switch (phba->cgn_init_reg_fpin) {
+	case LPFC_CGN_FPIN_WARN:
+		scnprintf(tmp, sizeof(tmp),
+			  "FPIN:WARN\n");
+		break;
+	case LPFC_CGN_FPIN_ALARM:
+		scnprintf(tmp, sizeof(tmp),
+			  "FPIN:ALARM\n");
+		break;
+	case LPFC_CGN_FPIN_BOTH:
+		scnprintf(tmp, sizeof(tmp),
+			  "FPIN:WARN|ALARM\n");
+		break;
+	default:
+		scnprintf(tmp, sizeof(tmp),
+			  "FPIN:NONE\n");
+		break;
+	}
+	if (strlcat(buf, tmp, PAGE_SIZE) >= PAGE_SIZE)
+		goto buffer_done;
+
+	switch (phba->cgn_reg_signal) {
+	case EDC_CG_SIG_WARN_ONLY:
+		scnprintf(tmp, sizeof(tmp),
+			  "       Current:  Signal:WARN  ");
+		break;
+	case EDC_CG_SIG_WARN_ALARM:
+		scnprintf(tmp, sizeof(tmp),
+			  "       Current:  Signal:WARN|ALARM  ");
+		break;
+	default:
+		scnprintf(tmp, sizeof(tmp),
+			  "       Current:  Signal:NONE  ");
+		break;
+	}
+	if (strlcat(buf, tmp, PAGE_SIZE) >= PAGE_SIZE)
+		goto buffer_done;
+
+	switch (phba->cgn_reg_fpin) {
+	case LPFC_CGN_FPIN_WARN:
+		scnprintf(tmp, sizeof(tmp),
+			  "FPIN:WARN  ACQEcnt:%d\n", phba->cgn_acqe_cnt);
+		break;
+	case LPFC_CGN_FPIN_ALARM:
+		scnprintf(tmp, sizeof(tmp),
+			  "FPIN:ALARM  ACQEcnt:%d\n", phba->cgn_acqe_cnt);
+		break;
+	case LPFC_CGN_FPIN_BOTH:
+		scnprintf(tmp, sizeof(tmp),
+			  "FPIN:WARN|ALARM  ACQEcnt:%d\n", phba->cgn_acqe_cnt);
+		break;
+	default:
+		scnprintf(tmp, sizeof(tmp),
+			  "FPIN:NONE  ACQEcnt:%d\n", phba->cgn_acqe_cnt);
+		break;
+	}
+	if (strlcat(buf, tmp, PAGE_SIZE) >= PAGE_SIZE)
+		goto buffer_done;
+
+	if (phba->cmf_active_mode != phba->cgn_p.cgn_param_mode) {
+		switch (phba->cmf_active_mode) {
+		case LPFC_CFG_OFF:
+			scnprintf(tmp, sizeof(tmp), "Active: Mode:Off\n");
+			break;
+		case LPFC_CFG_MANAGED:
+			scnprintf(tmp, sizeof(tmp), "Active: Mode:Managed\n");
+			break;
+		case LPFC_CFG_MONITOR:
+			scnprintf(tmp, sizeof(tmp), "Active: Mode:Monitor\n");
+			break;
+		default:
+			scnprintf(tmp, sizeof(tmp), "Active: Mode:Unknown\n");
+		}
+		if (strlcat(buf, tmp, PAGE_SIZE) >= PAGE_SIZE)
+			goto buffer_done;
+	}
+
+	switch (phba->cgn_p.cgn_param_mode) {
+	case LPFC_CFG_OFF:
+		scnprintf(tmp, sizeof(tmp), "Config: Mode:Off  ");
+		break;
+	case LPFC_CFG_MANAGED:
+		scnprintf(tmp, sizeof(tmp), "Config: Mode:Managed ");
+		break;
+	case LPFC_CFG_MONITOR:
+		scnprintf(tmp, sizeof(tmp), "Config: Mode:Monitor ");
+		break;
+	default:
+		scnprintf(tmp, sizeof(tmp), "Config: Mode:Unknown ");
+	}
+	if (strlcat(buf, tmp, PAGE_SIZE) >= PAGE_SIZE)
+		goto buffer_done;
+
+	total = 0;
+	rcv = 0;
+	for_each_present_cpu(cpu) {
+		cgs = per_cpu_ptr(phba->cmf_stat, cpu);
+		total += atomic64_read(&cgs->total_bytes);
+		rcv += atomic64_read(&cgs->rcv_bytes);
+	}
+
+	scnprintf(tmp, sizeof(tmp),
+		  "IObusy:%d Info:%d Bytes: Rcv:x%llx Total:x%llx\n",
+		  atomic_read(&phba->cmf_busy),
+		  phba->cmf_active_info, rcv, total);
+	if (strlcat(buf, tmp, PAGE_SIZE) >= PAGE_SIZE)
+		goto buffer_done;
+
+	scnprintf(tmp, sizeof(tmp),
+		  "Port_speed:%d  Link_byte_cnt:%ld  "
+		  "Max_byte_per_interval:%ld\n",
+		  lpfc_sli_port_speed_get(phba),
+		  (unsigned long)phba->cmf_link_byte_count,
+		  (unsigned long)phba->cmf_max_bytes_per_interval);
+	strlcat(buf, tmp, PAGE_SIZE);
+
+buffer_done:
+	len = strnlen(buf, PAGE_SIZE);
+
+	if (unlikely(len >= (PAGE_SIZE - 1))) {
+		lpfc_printf_log(phba, KERN_INFO, LOG_CGN_MGMT,
+				"6312 Catching potential buffer "
+				"overflow > PAGE_SIZE = %lu bytes\n",
+				PAGE_SIZE);
+		strscpy(buf + PAGE_SIZE - 1 - sizeof(LPFC_INFO_MORE_STR),
+			LPFC_INFO_MORE_STR, sizeof(LPFC_INFO_MORE_STR) + 1);
+	}
+	return len;
+}
+
+/**
+ * lpfc_drvr_version_show - Return the Emulex driver string with version number
+ * @dev: class unused variable.
+ * @attr: device attribute, not used.
+ * @buf: on return contains the module description text.
+ *
+ * Returns: size of formatted string.
+ **/
+static ssize_t
+lpfc_drvr_version_show(struct device *dev, struct device_attribute *attr,
+		       char *buf)
+{
+	return scnprintf(buf, PAGE_SIZE, LPFC_MODULE_DESC "\n");
+}
+
+/**
+ * lpfc_enable_fip_show - Return the fip mode of the HBA
+ * @dev: class unused variable.
+ * @attr: device attribute, not used.
+ * @buf: on return contains the module description text.
+ *
+ * Returns: size of formatted string.
+ **/
+static ssize_t
+lpfc_enable_fip_show(struct device *dev, struct device_attribute *attr,
+		       char *buf)
+{
+	struct Scsi_Host *shost = class_to_shost(dev);
+	struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
+	struct lpfc_hba   *phba = vport->phba;
+
+	if (phba->hba_flag & HBA_FIP_SUPPORT)
+		return scnprintf(buf, PAGE_SIZE, "1\n");
+	else
+		return scnprintf(buf, PAGE_SIZE, "0\n");
+}
+
+static ssize_t
+lpfc_nvme_info_show(struct device *dev, struct device_attribute *attr,
+		    char *buf)
+{
+	struct Scsi_Host *shost = class_to_shost(dev);
+	struct lpfc_vport *vport = shost_priv(shost);
+	struct lpfc_hba   *phba = vport->phba;
+	struct lpfc_nvmet_tgtport *tgtp;
+	struct nvme_fc_local_port *localport;
+	struct lpfc_nvme_lport *lport;
+	struct lpfc_nvme_rport *rport;
+	struct lpfc_nodelist *ndlp;
+	struct nvme_fc_remote_port *nrport;
+	struct lpfc_fc4_ctrl_stat *cstat;
+	uint64_t data1, data2, data3;
+	uint64_t totin, totout, tot;
+	char *statep;
+	int i;
+	int len = 0;
+	char tmp[LPFC_MAX_INFO_TMP_LEN] = {0};
+
+	if (!(vport->cfg_enable_fc4_type & LPFC_ENABLE_NVME)) {
+		len = scnprintf(buf, PAGE_SIZE, "NVME Disabled\n");
+		return len;
+	}
+	if (phba->nvmet_support) {
+		if (!phba->targetport) {
+			len = scnprintf(buf, PAGE_SIZE,
+					"NVME Target: x%llx is not allocated\n",
+					wwn_to_u64(vport->fc_portname.u.wwn));
+			return len;
+		}
+		/* Port state is only one of two values for now. */
+		if (phba->targetport->port_id)
+			statep = "REGISTERED";
+		else
+			statep = "INIT";
+		scnprintf(tmp, sizeof(tmp),
+			  "NVME Target Enabled  State %s\n",
+			  statep);
+		if (strlcat(buf, tmp, PAGE_SIZE) >= PAGE_SIZE)
+			goto buffer_done;
+
+		scnprintf(tmp, sizeof(tmp),
+			  "%s%d WWPN x%llx WWNN x%llx DID x%06x\n",
+			  "NVME Target: lpfc",
+			  phba->brd_no,
+			  wwn_to_u64(vport->fc_portname.u.wwn),
+			  wwn_to_u64(vport->fc_nodename.u.wwn),
+			  phba->targetport->port_id);
+		if (strlcat(buf, tmp, PAGE_SIZE) >= PAGE_SIZE)
+			goto buffer_done;
+
+		if (strlcat(buf, "\nNVME Target: Statistics\n", PAGE_SIZE)
+		    >= PAGE_SIZE)
+			goto buffer_done;
+
+		tgtp = (struct lpfc_nvmet_tgtport *)phba->targetport->private;
+		scnprintf(tmp, sizeof(tmp),
+			  "LS: Rcv %08x Drop %08x Abort %08x\n",
+			  atomic_read(&tgtp->rcv_ls_req_in),
+			  atomic_read(&tgtp->rcv_ls_req_drop),
+			  atomic_read(&tgtp->xmt_ls_abort));
+		if (strlcat(buf, tmp, PAGE_SIZE) >= PAGE_SIZE)
+			goto buffer_done;
+
+		if (atomic_read(&tgtp->rcv_ls_req_in) !=
+		    atomic_read(&tgtp->rcv_ls_req_out)) {
+			scnprintf(tmp, sizeof(tmp),
+				  "Rcv LS: in %08x != out %08x\n",
+				  atomic_read(&tgtp->rcv_ls_req_in),
+				  atomic_read(&tgtp->rcv_ls_req_out));
+			if (strlcat(buf, tmp, PAGE_SIZE) >= PAGE_SIZE)
+				goto buffer_done;
+		}
+
+		scnprintf(tmp, sizeof(tmp),
+			  "LS: Xmt %08x Drop %08x Cmpl %08x\n",
+			  atomic_read(&tgtp->xmt_ls_rsp),
+			  atomic_read(&tgtp->xmt_ls_drop),
+			  atomic_read(&tgtp->xmt_ls_rsp_cmpl));
+		if (strlcat(buf, tmp, PAGE_SIZE) >= PAGE_SIZE)
+			goto buffer_done;
+
+		scnprintf(tmp, sizeof(tmp),
+			  "LS: RSP Abort %08x xb %08x Err %08x\n",
+			  atomic_read(&tgtp->xmt_ls_rsp_aborted),
+			  atomic_read(&tgtp->xmt_ls_rsp_xb_set),
+			  atomic_read(&tgtp->xmt_ls_rsp_error));
+		if (strlcat(buf, tmp, PAGE_SIZE) >= PAGE_SIZE)
+			goto buffer_done;
+
+		scnprintf(tmp, sizeof(tmp),
+			  "FCP: Rcv %08x Defer %08x Release %08x "
+			  "Drop %08x\n",
+			  atomic_read(&tgtp->rcv_fcp_cmd_in),
+			  atomic_read(&tgtp->rcv_fcp_cmd_defer),
+			  atomic_read(&tgtp->xmt_fcp_release),
+			  atomic_read(&tgtp->rcv_fcp_cmd_drop));
+		if (strlcat(buf, tmp, PAGE_SIZE) >= PAGE_SIZE)
+			goto buffer_done;
+
+		if (atomic_read(&tgtp->rcv_fcp_cmd_in) !=
+		    atomic_read(&tgtp->rcv_fcp_cmd_out)) {
+			scnprintf(tmp, sizeof(tmp),
+				  "Rcv FCP: in %08x != out %08x\n",
+				  atomic_read(&tgtp->rcv_fcp_cmd_in),
+				  atomic_read(&tgtp->rcv_fcp_cmd_out));
+			if (strlcat(buf, tmp, PAGE_SIZE) >= PAGE_SIZE)
+				goto buffer_done;
+		}
+
+		scnprintf(tmp, sizeof(tmp),
+			  "FCP Rsp: RD %08x rsp %08x WR %08x rsp %08x "
+			  "drop %08x\n",
+			  atomic_read(&tgtp->xmt_fcp_read),
+			  atomic_read(&tgtp->xmt_fcp_read_rsp),
+			  atomic_read(&tgtp->xmt_fcp_write),
+			  atomic_read(&tgtp->xmt_fcp_rsp),
+			  atomic_read(&tgtp->xmt_fcp_drop));
+		if (strlcat(buf, tmp, PAGE_SIZE) >= PAGE_SIZE)
+			goto buffer_done;
+
+		scnprintf(tmp, sizeof(tmp),
+			  "FCP Rsp Cmpl: %08x err %08x drop %08x\n",
+			  atomic_read(&tgtp->xmt_fcp_rsp_cmpl),
+			  atomic_read(&tgtp->xmt_fcp_rsp_error),
+			  atomic_read(&tgtp->xmt_fcp_rsp_drop));
+		if (strlcat(buf, tmp, PAGE_SIZE) >= PAGE_SIZE)
+			goto buffer_done;
+
+		scnprintf(tmp, sizeof(tmp),
+			  "FCP Rsp Abort: %08x xb %08x xricqe  %08x\n",
+			  atomic_read(&tgtp->xmt_fcp_rsp_aborted),
+			  atomic_read(&tgtp->xmt_fcp_rsp_xb_set),
+			  atomic_read(&tgtp->xmt_fcp_xri_abort_cqe));
+		if (strlcat(buf, tmp, PAGE_SIZE) >= PAGE_SIZE)
+			goto buffer_done;
+
+		scnprintf(tmp, sizeof(tmp),
+			  "ABORT: Xmt %08x Cmpl %08x\n",
+			  atomic_read(&tgtp->xmt_fcp_abort),
+			  atomic_read(&tgtp->xmt_fcp_abort_cmpl));
+		if (strlcat(buf, tmp, PAGE_SIZE) >= PAGE_SIZE)
+			goto buffer_done;
+
+		scnprintf(tmp, sizeof(tmp),
+			  "ABORT: Sol %08x  Usol %08x Err %08x Cmpl %08x\n",
+			  atomic_read(&tgtp->xmt_abort_sol),
+			  atomic_read(&tgtp->xmt_abort_unsol),
+			  atomic_read(&tgtp->xmt_abort_rsp),
+			  atomic_read(&tgtp->xmt_abort_rsp_error));
+		if (strlcat(buf, tmp, PAGE_SIZE) >= PAGE_SIZE)
+			goto buffer_done;
+
+		scnprintf(tmp, sizeof(tmp),
+			  "DELAY: ctx %08x  fod %08x wqfull %08x\n",
+			  atomic_read(&tgtp->defer_ctx),
+			  atomic_read(&tgtp->defer_fod),
+			  atomic_read(&tgtp->defer_wqfull));
+		if (strlcat(buf, tmp, PAGE_SIZE) >= PAGE_SIZE)
+			goto buffer_done;
+
+		/* Calculate outstanding IOs */
+		tot = atomic_read(&tgtp->rcv_fcp_cmd_drop);
+		tot += atomic_read(&tgtp->xmt_fcp_release);
+		tot = atomic_read(&tgtp->rcv_fcp_cmd_in) - tot;
+
+		scnprintf(tmp, sizeof(tmp),
+			  "IO_CTX: %08x  WAIT: cur %08x tot %08x\n"
+			  "CTX Outstanding %08llx\n\n",
+			  phba->sli4_hba.nvmet_xri_cnt,
+			  phba->sli4_hba.nvmet_io_wait_cnt,
+			  phba->sli4_hba.nvmet_io_wait_total,
+			  tot);
+		strlcat(buf, tmp, PAGE_SIZE);
+		goto buffer_done;
+	}
+
+	localport = vport->localport;
+	if (!localport) {
+		len = scnprintf(buf, PAGE_SIZE,
+				"NVME Initiator x%llx is not allocated\n",
+				wwn_to_u64(vport->fc_portname.u.wwn));
+		return len;
+	}
+	lport = (struct lpfc_nvme_lport *)localport->private;
+	if (strlcat(buf, "\nNVME Initiator Enabled\n", PAGE_SIZE) >= PAGE_SIZE)
+		goto buffer_done;
+
+	scnprintf(tmp, sizeof(tmp),
+		  "XRI Dist lpfc%d Total %d IO %d ELS %d\n",
+		  phba->brd_no,
+		  phba->sli4_hba.max_cfg_param.max_xri,
+		  phba->sli4_hba.io_xri_max,
+		  lpfc_sli4_get_els_iocb_cnt(phba));
+	if (strlcat(buf, tmp, PAGE_SIZE) >= PAGE_SIZE)
+		goto buffer_done;
+
+	/* Port state is only one of two values for now. */
+	if (localport->port_id)
+		statep = "ONLINE";
+	else
+		statep = "UNKNOWN ";
+
+	scnprintf(tmp, sizeof(tmp),
+		  "%s%d WWPN x%llx WWNN x%llx DID x%06x %s\n",
+		  "NVME LPORT lpfc",
+		  phba->brd_no,
+		  wwn_to_u64(vport->fc_portname.u.wwn),
+		  wwn_to_u64(vport->fc_nodename.u.wwn),
+		  localport->port_id, statep);
+	if (strlcat(buf, tmp, PAGE_SIZE) >= PAGE_SIZE)
+		goto buffer_done;
+
+	spin_lock_irq(shost->host_lock);
+
+	list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) {
+		nrport = NULL;
+		spin_lock(&ndlp->lock);
+		rport = lpfc_ndlp_get_nrport(ndlp);
+		if (rport)
+			nrport = rport->remoteport;
+		spin_unlock(&ndlp->lock);
+		if (!nrport)
+			continue;
+
+		/* Port state is only one of two values for now. */
+		switch (nrport->port_state) {
+		case FC_OBJSTATE_ONLINE:
+			statep = "ONLINE";
+			break;
+		case FC_OBJSTATE_UNKNOWN:
+			statep = "UNKNOWN ";
+			break;
+		default:
+			statep = "UNSUPPORTED";
+			break;
+		}
+
+		/* Tab in to show lport ownership. */
+		if (strlcat(buf, "NVME RPORT       ", PAGE_SIZE) >= PAGE_SIZE)
+			goto unlock_buf_done;
+		if (phba->brd_no >= 10) {
+			if (strlcat(buf, " ", PAGE_SIZE) >= PAGE_SIZE)
+				goto unlock_buf_done;
+		}
+
+		scnprintf(tmp, sizeof(tmp), "WWPN x%llx ",
+			  nrport->port_name);
+		if (strlcat(buf, tmp, PAGE_SIZE) >= PAGE_SIZE)
+			goto unlock_buf_done;
+
+		scnprintf(tmp, sizeof(tmp), "WWNN x%llx ",
+			  nrport->node_name);
+		if (strlcat(buf, tmp, PAGE_SIZE) >= PAGE_SIZE)
+			goto unlock_buf_done;
+
+		scnprintf(tmp, sizeof(tmp), "DID x%06x ",
+			  nrport->port_id);
+		if (strlcat(buf, tmp, PAGE_SIZE) >= PAGE_SIZE)
+			goto unlock_buf_done;
+
+		/* An NVME rport can have multiple roles. */
+		if (nrport->port_role & FC_PORT_ROLE_NVME_INITIATOR) {
+			if (strlcat(buf, "INITIATOR ", PAGE_SIZE) >= PAGE_SIZE)
+				goto unlock_buf_done;
+		}
+		if (nrport->port_role & FC_PORT_ROLE_NVME_TARGET) {
+			if (strlcat(buf, "TARGET ", PAGE_SIZE) >= PAGE_SIZE)
+				goto unlock_buf_done;
+		}
+		if (nrport->port_role & FC_PORT_ROLE_NVME_DISCOVERY) {
+			if (strlcat(buf, "DISCSRVC ", PAGE_SIZE) >= PAGE_SIZE)
+				goto unlock_buf_done;
+		}
+		if (nrport->port_role & ~(FC_PORT_ROLE_NVME_INITIATOR |
+					  FC_PORT_ROLE_NVME_TARGET |
+					  FC_PORT_ROLE_NVME_DISCOVERY)) {
+			scnprintf(tmp, sizeof(tmp), "UNKNOWN ROLE x%x",
+				  nrport->port_role);
+			if (strlcat(buf, tmp, PAGE_SIZE) >= PAGE_SIZE)
+				goto unlock_buf_done;
+		}
+
+		scnprintf(tmp, sizeof(tmp), "%s\n", statep);
+		if (strlcat(buf, tmp, PAGE_SIZE) >= PAGE_SIZE)
+			goto unlock_buf_done;
+	}
+	spin_unlock_irq(shost->host_lock);
+
+	if (!lport)
+		goto buffer_done;
+
+	if (strlcat(buf, "\nNVME Statistics\n", PAGE_SIZE) >= PAGE_SIZE)
+		goto buffer_done;
+
+	scnprintf(tmp, sizeof(tmp),
+		  "LS: Xmt %010x Cmpl %010x Abort %08x\n",
+		  atomic_read(&lport->fc4NvmeLsRequests),
+		  atomic_read(&lport->fc4NvmeLsCmpls),
+		  atomic_read(&lport->xmt_ls_abort));
+	if (strlcat(buf, tmp, PAGE_SIZE) >= PAGE_SIZE)
+		goto buffer_done;
+
+	scnprintf(tmp, sizeof(tmp),
+		  "LS XMIT: Err %08x  CMPL: xb %08x Err %08x\n",
+		  atomic_read(&lport->xmt_ls_err),
+		  atomic_read(&lport->cmpl_ls_xb),
+		  atomic_read(&lport->cmpl_ls_err));
+	if (strlcat(buf, tmp, PAGE_SIZE) >= PAGE_SIZE)
+		goto buffer_done;
+
+	totin = 0;
+	totout = 0;
+	for (i = 0; i < phba->cfg_hdw_queue; i++) {
+		cstat = &phba->sli4_hba.hdwq[i].nvme_cstat;
+		tot = cstat->io_cmpls;
+		totin += tot;
+		data1 = cstat->input_requests;
+		data2 = cstat->output_requests;
+		data3 = cstat->control_requests;
+		totout += (data1 + data2 + data3);
+	}
+	scnprintf(tmp, sizeof(tmp),
+		  "Total FCP Cmpl %016llx Issue %016llx "
+		  "OutIO %016llx\n",
+		  totin, totout, totout - totin);
+	if (strlcat(buf, tmp, PAGE_SIZE) >= PAGE_SIZE)
+		goto buffer_done;
+
+	scnprintf(tmp, sizeof(tmp),
+		  "\tabort %08x noxri %08x nondlp %08x qdepth %08x "
+		  "wqerr %08x err %08x\n",
+		  atomic_read(&lport->xmt_fcp_abort),
+		  atomic_read(&lport->xmt_fcp_noxri),
+		  atomic_read(&lport->xmt_fcp_bad_ndlp),
+		  atomic_read(&lport->xmt_fcp_qdepth),
+		  atomic_read(&lport->xmt_fcp_wqerr),
+		  atomic_read(&lport->xmt_fcp_err));
+	if (strlcat(buf, tmp, PAGE_SIZE) >= PAGE_SIZE)
+		goto buffer_done;
+
+	scnprintf(tmp, sizeof(tmp),
+		  "FCP CMPL: xb %08x Err %08x\n",
+		  atomic_read(&lport->cmpl_fcp_xb),
+		  atomic_read(&lport->cmpl_fcp_err));
+	strlcat(buf, tmp, PAGE_SIZE);
+
+	/* host_lock is already unlocked. */
+	goto buffer_done;
+
+ unlock_buf_done:
+	spin_unlock_irq(shost->host_lock);
+
+ buffer_done:
+	len = strnlen(buf, PAGE_SIZE);
+
+	if (unlikely(len >= (PAGE_SIZE - 1))) {
+		lpfc_printf_log(phba, KERN_INFO, LOG_NVME,
+				"6314 Catching potential buffer "
+				"overflow > PAGE_SIZE = %lu bytes\n",
+				PAGE_SIZE);
+		strscpy(buf + PAGE_SIZE - 1 - sizeof(LPFC_INFO_MORE_STR),
+			LPFC_INFO_MORE_STR,
+			sizeof(LPFC_INFO_MORE_STR) + 1);
+	}
+
+	return len;
+}
+
+static ssize_t
+lpfc_scsi_stat_show(struct device *dev, struct device_attribute *attr,
+		    char *buf)
+{
+	struct Scsi_Host *shost = class_to_shost(dev);
+	struct lpfc_vport *vport = shost_priv(shost);
+	struct lpfc_hba *phba = vport->phba;
+	int len;
+	struct lpfc_fc4_ctrl_stat *cstat;
+	u64 data1, data2, data3;
+	u64 tot, totin, totout;
+	int i;
+	char tmp[LPFC_MAX_SCSI_INFO_TMP_LEN] = {0};
+
+	if (!(vport->cfg_enable_fc4_type & LPFC_ENABLE_FCP) ||
+	    (phba->sli_rev != LPFC_SLI_REV4))
+		return 0;
+
+	scnprintf(buf, PAGE_SIZE, "SCSI HDWQ Statistics\n");
+
+	totin = 0;
+	totout = 0;
+	for (i = 0; i < phba->cfg_hdw_queue; i++) {
+		cstat = &phba->sli4_hba.hdwq[i].scsi_cstat;
+		tot = cstat->io_cmpls;
+		totin += tot;
+		data1 = cstat->input_requests;
+		data2 = cstat->output_requests;
+		data3 = cstat->control_requests;
+		totout += (data1 + data2 + data3);
+
+		scnprintf(tmp, sizeof(tmp), "HDWQ (%d): Rd %016llx Wr %016llx "
+			  "IO %016llx ", i, data1, data2, data3);
+		if (strlcat(buf, tmp, PAGE_SIZE) >= PAGE_SIZE)
+			goto buffer_done;
+
+		scnprintf(tmp, sizeof(tmp), "Cmpl %016llx OutIO %016llx\n",
+			  tot, ((data1 + data2 + data3) - tot));
+		if (strlcat(buf, tmp, PAGE_SIZE) >= PAGE_SIZE)
+			goto buffer_done;
+	}
+	scnprintf(tmp, sizeof(tmp), "Total FCP Cmpl %016llx Issue %016llx "
+		  "OutIO %016llx\n", totin, totout, totout - totin);
+	strlcat(buf, tmp, PAGE_SIZE);
+
+buffer_done:
+	len = strnlen(buf, PAGE_SIZE);
+
+	return len;
+}
+
+static ssize_t
+lpfc_bg_info_show(struct device *dev, struct device_attribute *attr,
+		  char *buf)
+{
+	struct Scsi_Host *shost = class_to_shost(dev);
+	struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
+	struct lpfc_hba   *phba = vport->phba;
+
+	if (phba->cfg_enable_bg) {
+		if (phba->sli3_options & LPFC_SLI3_BG_ENABLED)
+			return scnprintf(buf, PAGE_SIZE,
+					"BlockGuard Enabled\n");
+		else
+			return scnprintf(buf, PAGE_SIZE,
+					"BlockGuard Not Supported\n");
+	} else
+		return scnprintf(buf, PAGE_SIZE,
+					"BlockGuard Disabled\n");
+}
+
+static ssize_t
+lpfc_bg_guard_err_show(struct device *dev, struct device_attribute *attr,
+		       char *buf)
+{
+	struct Scsi_Host *shost = class_to_shost(dev);
+	struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
+	struct lpfc_hba   *phba = vport->phba;
+
+	return scnprintf(buf, PAGE_SIZE, "%llu\n",
+			(unsigned long long)phba->bg_guard_err_cnt);
+}
+
+static ssize_t
+lpfc_bg_apptag_err_show(struct device *dev, struct device_attribute *attr,
+			char *buf)
+{
+	struct Scsi_Host *shost = class_to_shost(dev);
+	struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
+	struct lpfc_hba   *phba = vport->phba;
+
+	return scnprintf(buf, PAGE_SIZE, "%llu\n",
+			(unsigned long long)phba->bg_apptag_err_cnt);
+}
+
+static ssize_t
+lpfc_bg_reftag_err_show(struct device *dev, struct device_attribute *attr,
+			char *buf)
+{
+	struct Scsi_Host *shost = class_to_shost(dev);
+	struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
+	struct lpfc_hba   *phba = vport->phba;
+
+	return scnprintf(buf, PAGE_SIZE, "%llu\n",
+			(unsigned long long)phba->bg_reftag_err_cnt);
+}
+
+/**
+ * lpfc_info_show - Return some pci info about the host in ascii
+ * @dev: class converted to a Scsi_host structure.
+ * @attr: device attribute, not used.
+ * @buf: on return contains the formatted text from lpfc_info().
+ *
+ * Returns: size of formatted string.
+ **/
+static ssize_t
+lpfc_info_show(struct device *dev, struct device_attribute *attr,
+	       char *buf)
+{
+	struct Scsi_Host *host = class_to_shost(dev);
+
+	return scnprintf(buf, PAGE_SIZE, "%s\n", lpfc_info(host));
+}
+
+/**
+ * lpfc_serialnum_show - Return the hba serial number in ascii
+ * @dev: class converted to a Scsi_host structure.
+ * @attr: device attribute, not used.
+ * @buf: on return contains the formatted text serial number.
+ *
+ * Returns: size of formatted string.
+ **/
+static ssize_t
+lpfc_serialnum_show(struct device *dev, struct device_attribute *attr,
+		    char *buf)
+{
+	struct Scsi_Host  *shost = class_to_shost(dev);
+	struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
+	struct lpfc_hba   *phba = vport->phba;
+
+	return scnprintf(buf, PAGE_SIZE, "%s\n", phba->SerialNumber);
+}
+
+/**
+ * lpfc_temp_sensor_show - Return the temperature sensor level
+ * @dev: class converted to a Scsi_host structure.
+ * @attr: device attribute, not used.
+ * @buf: on return contains the formatted support level.
+ *
+ * Description:
+ * Returns a number indicating the temperature sensor level currently
+ * supported, zero or one in ascii.
+ *
+ * Returns: size of formatted string.
+ **/
+static ssize_t
+lpfc_temp_sensor_show(struct device *dev, struct device_attribute *attr,
+		      char *buf)
+{
+	struct Scsi_Host *shost = class_to_shost(dev);
+	struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
+	struct lpfc_hba   *phba = vport->phba;
+	return scnprintf(buf, PAGE_SIZE, "%d\n", phba->temp_sensor_support);
+}
+
+/**
+ * lpfc_modeldesc_show - Return the model description of the hba
+ * @dev: class converted to a Scsi_host structure.
+ * @attr: device attribute, not used.
+ * @buf: on return contains the scsi vpd model description.
+ *
+ * Returns: size of formatted string.
+ **/
+static ssize_t
+lpfc_modeldesc_show(struct device *dev, struct device_attribute *attr,
+		    char *buf)
+{
+	struct Scsi_Host  *shost = class_to_shost(dev);
+	struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
+	struct lpfc_hba   *phba = vport->phba;
+
+	return scnprintf(buf, PAGE_SIZE, "%s\n", phba->ModelDesc);
+}
+
+/**
+ * lpfc_modelname_show - Return the model name of the hba
+ * @dev: class converted to a Scsi_host structure.
+ * @attr: device attribute, not used.
+ * @buf: on return contains the scsi vpd model name.
+ *
+ * Returns: size of formatted string.
+ **/
+static ssize_t
+lpfc_modelname_show(struct device *dev, struct device_attribute *attr,
+		    char *buf)
+{
+	struct Scsi_Host  *shost = class_to_shost(dev);
+	struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
+	struct lpfc_hba   *phba = vport->phba;
+
+	return scnprintf(buf, PAGE_SIZE, "%s\n", phba->ModelName);
+}
+
+/**
+ * lpfc_programtype_show - Return the program type of the hba
+ * @dev: class converted to a Scsi_host structure.
+ * @attr: device attribute, not used.
+ * @buf: on return contains the scsi vpd program type.
+ *
+ * Returns: size of formatted string.
+ **/
+static ssize_t
+lpfc_programtype_show(struct device *dev, struct device_attribute *attr,
+		      char *buf)
+{
+	struct Scsi_Host  *shost = class_to_shost(dev);
+	struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
+	struct lpfc_hba   *phba = vport->phba;
+
+	return scnprintf(buf, PAGE_SIZE, "%s\n", phba->ProgramType);
+}
+
+/**
+ * lpfc_vportnum_show - Return the port number in ascii of the hba
+ * @dev: class converted to a Scsi_host structure.
+ * @attr: device attribute, not used.
+ * @buf: on return contains scsi vpd program type.
+ *
+ * Returns: size of formatted string.
+ **/
+static ssize_t
+lpfc_vportnum_show(struct device *dev, struct device_attribute *attr,
+		   char *buf)
+{
+	struct Scsi_Host  *shost = class_to_shost(dev);
+	struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
+	struct lpfc_hba   *phba = vport->phba;
+
+	return scnprintf(buf, PAGE_SIZE, "%s\n", phba->Port);
+}
+
+/**
+ * lpfc_fwrev_show - Return the firmware rev running in the hba
+ * @dev: class converted to a Scsi_host structure.
+ * @attr: device attribute, not used.
+ * @buf: on return contains the scsi vpd program type.
+ *
+ * Returns: size of formatted string.
+ **/
+static ssize_t
+lpfc_fwrev_show(struct device *dev, struct device_attribute *attr,
+		char *buf)
+{
+	struct Scsi_Host  *shost = class_to_shost(dev);
+	struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
+	struct lpfc_hba   *phba = vport->phba;
+	uint32_t if_type;
+	uint8_t sli_family;
+	char fwrev[FW_REV_STR_SIZE];
+	int len;
+
+	lpfc_decode_firmware_rev(phba, fwrev, 1);
+	if_type = phba->sli4_hba.pc_sli4_params.if_type;
+	sli_family = phba->sli4_hba.pc_sli4_params.sli_family;
+
+	if (phba->sli_rev < LPFC_SLI_REV4)
+		len = scnprintf(buf, PAGE_SIZE, "%s, sli-%d\n",
+			       fwrev, phba->sli_rev);
+	else
+		len = scnprintf(buf, PAGE_SIZE, "%s, sli-%d:%d:%x\n",
+			       fwrev, phba->sli_rev, if_type, sli_family);
+
+	return len;
+}
+
+/**
+ * lpfc_hdw_show - Return the jedec information about the hba
+ * @dev: class converted to a Scsi_host structure.
+ * @attr: device attribute, not used.
+ * @buf: on return contains the scsi vpd program type.
+ *
+ * Returns: size of formatted string.
+ **/
+static ssize_t
+lpfc_hdw_show(struct device *dev, struct device_attribute *attr, char *buf)
+{
+	char hdw[9];
+	struct Scsi_Host  *shost = class_to_shost(dev);
+	struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
+	struct lpfc_hba   *phba = vport->phba;
+	lpfc_vpd_t *vp = &phba->vpd;
+
+	lpfc_jedec_to_ascii(vp->rev.biuRev, hdw);
+	return scnprintf(buf, PAGE_SIZE, "%s %08x %08x\n", hdw,
+			 vp->rev.smRev, vp->rev.smFwRev);
+}
+
+/**
+ * lpfc_option_rom_version_show - Return the adapter ROM FCode version
+ * @dev: class converted to a Scsi_host structure.
+ * @attr: device attribute, not used.
+ * @buf: on return contains the ROM and FCode ascii strings.
+ *
+ * Returns: size of formatted string.
+ **/
+static ssize_t
+lpfc_option_rom_version_show(struct device *dev, struct device_attribute *attr,
+			     char *buf)
+{
+	struct Scsi_Host  *shost = class_to_shost(dev);
+	struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
+	struct lpfc_hba   *phba = vport->phba;
+	char fwrev[FW_REV_STR_SIZE];
+
+	if (phba->sli_rev < LPFC_SLI_REV4)
+		return scnprintf(buf, PAGE_SIZE, "%s\n",
+				phba->OptionROMVersion);
+
+	lpfc_decode_firmware_rev(phba, fwrev, 1);
+	return scnprintf(buf, PAGE_SIZE, "%s\n", fwrev);
+}
+
+/**
+ * lpfc_link_state_show - Return the link state of the port
+ * @dev: class converted to a Scsi_host structure.
+ * @attr: device attribute, not used.
+ * @buf: on return contains text describing the state of the link.
+ *
+ * Notes:
+ * The switch statement has no default so zero will be returned.
+ *
+ * Returns: size of formatted string.
+ **/
+static ssize_t
+lpfc_link_state_show(struct device *dev, struct device_attribute *attr,
+		     char *buf)
+{
+	struct Scsi_Host  *shost = class_to_shost(dev);
+	struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
+	struct lpfc_hba   *phba = vport->phba;
+	int  len = 0;
+
+	switch (phba->link_state) {
+	case LPFC_LINK_UNKNOWN:
+	case LPFC_WARM_START:
+	case LPFC_INIT_START:
+	case LPFC_INIT_MBX_CMDS:
+	case LPFC_LINK_DOWN:
+	case LPFC_HBA_ERROR:
+		if (phba->hba_flag & LINK_DISABLED)
+			len += scnprintf(buf + len, PAGE_SIZE-len,
+				"Link Down - User disabled\n");
+		else
+			len += scnprintf(buf + len, PAGE_SIZE-len,
+				"Link Down\n");
+		break;
+	case LPFC_LINK_UP:
+	case LPFC_CLEAR_LA:
+	case LPFC_HBA_READY:
+		len += scnprintf(buf + len, PAGE_SIZE-len, "Link Up - ");
+
+		switch (vport->port_state) {
+		case LPFC_LOCAL_CFG_LINK:
+			len += scnprintf(buf + len, PAGE_SIZE-len,
+					"Configuring Link\n");
+			break;
+		case LPFC_FDISC:
+		case LPFC_FLOGI:
+		case LPFC_FABRIC_CFG_LINK:
+		case LPFC_NS_REG:
+		case LPFC_NS_QRY:
+		case LPFC_BUILD_DISC_LIST:
+		case LPFC_DISC_AUTH:
+			len += scnprintf(buf + len, PAGE_SIZE - len,
+					"Discovery\n");
+			break;
+		case LPFC_VPORT_READY:
+			len += scnprintf(buf + len, PAGE_SIZE - len,
+					"Ready\n");
+			break;
+
+		case LPFC_VPORT_FAILED:
+			len += scnprintf(buf + len, PAGE_SIZE - len,
+					"Failed\n");
+			break;
+
+		case LPFC_VPORT_UNKNOWN:
+			len += scnprintf(buf + len, PAGE_SIZE - len,
+					"Unknown\n");
+			break;
+		}
+		if (phba->fc_topology == LPFC_TOPOLOGY_LOOP) {
+			if (vport->fc_flag & FC_PUBLIC_LOOP)
+				len += scnprintf(buf + len, PAGE_SIZE-len,
+						"   Public Loop\n");
+			else
+				len += scnprintf(buf + len, PAGE_SIZE-len,
+						"   Private Loop\n");
+		} else {
+			if (vport->fc_flag & FC_FABRIC) {
+				if (phba->sli_rev == LPFC_SLI_REV4 &&
+				    vport->port_type == LPFC_PHYSICAL_PORT &&
+				    phba->sli4_hba.fawwpn_flag &
+					LPFC_FAWWPN_FABRIC)
+					len += scnprintf(buf + len,
+							 PAGE_SIZE - len,
+							 "   Fabric FA-PWWN\n");
+				else
+					len += scnprintf(buf + len,
+							 PAGE_SIZE - len,
+							 "   Fabric\n");
+			} else {
+				len += scnprintf(buf + len, PAGE_SIZE-len,
+						"   Point-2-Point\n");
+			}
+		}
+	}
+
+	if ((phba->sli_rev == LPFC_SLI_REV4) &&
+	    ((bf_get(lpfc_sli_intf_if_type,
+	     &phba->sli4_hba.sli_intf) ==
+	     LPFC_SLI_INTF_IF_TYPE_6))) {
+		struct lpfc_trunk_link link = phba->trunk_link;
+
+		if (bf_get(lpfc_conf_trunk_port0, &phba->sli4_hba))
+			len += scnprintf(buf + len, PAGE_SIZE - len,
+				"Trunk port 0: Link %s %s\n",
+				(link.link0.state == LPFC_LINK_UP) ?
+				 "Up" : "Down. ",
+				trunk_errmsg[link.link0.fault]);
+
+		if (bf_get(lpfc_conf_trunk_port1, &phba->sli4_hba))
+			len += scnprintf(buf + len, PAGE_SIZE - len,
+				"Trunk port 1: Link %s %s\n",
+				(link.link1.state == LPFC_LINK_UP) ?
+				 "Up" : "Down. ",
+				trunk_errmsg[link.link1.fault]);
+
+		if (bf_get(lpfc_conf_trunk_port2, &phba->sli4_hba))
+			len += scnprintf(buf + len, PAGE_SIZE - len,
+				"Trunk port 2: Link %s %s\n",
+				(link.link2.state == LPFC_LINK_UP) ?
+				 "Up" : "Down. ",
+				trunk_errmsg[link.link2.fault]);
+
+		if (bf_get(lpfc_conf_trunk_port3, &phba->sli4_hba))
+			len += scnprintf(buf + len, PAGE_SIZE - len,
+				"Trunk port 3: Link %s %s\n",
+				(link.link3.state == LPFC_LINK_UP) ?
+				 "Up" : "Down. ",
+				trunk_errmsg[link.link3.fault]);
+
+	}
+
+	return len;
+}
+
+/**
+ * lpfc_sli4_protocol_show - Return the fip mode of the HBA
+ * @dev: class unused variable.
+ * @attr: device attribute, not used.
+ * @buf: on return contains the module description text.
+ *
+ * Returns: size of formatted string.
+ **/
+static ssize_t
+lpfc_sli4_protocol_show(struct device *dev, struct device_attribute *attr,
+			char *buf)
+{
+	struct Scsi_Host *shost = class_to_shost(dev);
+	struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
+	struct lpfc_hba *phba = vport->phba;
+
+	if (phba->sli_rev < LPFC_SLI_REV4)
+		return scnprintf(buf, PAGE_SIZE, "fc\n");
+
+	if (phba->sli4_hba.lnk_info.lnk_dv == LPFC_LNK_DAT_VAL) {
+		if (phba->sli4_hba.lnk_info.lnk_tp == LPFC_LNK_TYPE_GE)
+			return scnprintf(buf, PAGE_SIZE, "fcoe\n");
+		if (phba->sli4_hba.lnk_info.lnk_tp == LPFC_LNK_TYPE_FC)
+			return scnprintf(buf, PAGE_SIZE, "fc\n");
+	}
+	return scnprintf(buf, PAGE_SIZE, "unknown\n");
+}
+
+/**
+ * lpfc_oas_supported_show - Return whether or not Optimized Access Storage
+ *			    (OAS) is supported.
+ * @dev: class unused variable.
+ * @attr: device attribute, not used.
+ * @buf: on return contains the module description text.
+ *
+ * Returns: size of formatted string.
+ **/
+static ssize_t
+lpfc_oas_supported_show(struct device *dev, struct device_attribute *attr,
+			char *buf)
+{
+	struct Scsi_Host *shost = class_to_shost(dev);
+	struct lpfc_vport *vport = (struct lpfc_vport *)shost->hostdata;
+	struct lpfc_hba *phba = vport->phba;
+
+	return scnprintf(buf, PAGE_SIZE, "%d\n",
+			phba->sli4_hba.pc_sli4_params.oas_supported);
+}
+
+/**
+ * lpfc_link_state_store - Transition the link_state on an HBA port
+ * @dev: class device that is converted into a Scsi_host.
+ * @attr: device attribute, not used.
+ * @buf: one or more lpfc_polling_flags values.
+ * @count: not used.
+ *
+ * Returns:
+ * -EINVAL if the buffer is not "up" or "down"
+ * return from link state change function if non-zero
+ * length of the buf on success
+ **/
+static ssize_t
+lpfc_link_state_store(struct device *dev, struct device_attribute *attr,
+		const char *buf, size_t count)
+{
+	struct Scsi_Host  *shost = class_to_shost(dev);
+	struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
+	struct lpfc_hba   *phba = vport->phba;
+
+	int status = -EINVAL;
+
+	if ((strncmp(buf, "up", sizeof("up") - 1) == 0) &&
+			(phba->link_state == LPFC_LINK_DOWN))
+		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, MBX_NOWAIT);
+
+	if (status == 0)
+		return strlen(buf);
+	else
+		return status;
+}
+
+/**
+ * lpfc_num_discovered_ports_show - Return sum of mapped and unmapped vports
+ * @dev: class device that is converted into a Scsi_host.
+ * @attr: device attribute, not used.
+ * @buf: on return contains the sum of fc mapped and unmapped.
+ *
+ * Description:
+ * Returns the ascii text number of the sum of the fc mapped and unmapped
+ * vport counts.
+ *
+ * Returns: size of formatted string.
+ **/
+static ssize_t
+lpfc_num_discovered_ports_show(struct device *dev,
+			       struct device_attribute *attr, char *buf)
+{
+	struct Scsi_Host  *shost = class_to_shost(dev);
+	struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
+
+	return scnprintf(buf, PAGE_SIZE, "%d\n",
+			vport->fc_map_cnt + vport->fc_unmap_cnt);
+}
+
+/**
+ * lpfc_issue_lip - Misnomer, name carried over from long ago
+ * @shost: Scsi_Host pointer.
+ *
+ * Description:
+ * Bring the link down gracefully then re-init the link. The firmware will
+ * re-init the fiber channel interface as required. Does not issue a LIP.
+ *
+ * Returns:
+ * -EPERM port offline or management commands are being blocked
+ * -ENOMEM cannot allocate memory for the mailbox command
+ * -EIO error sending the mailbox command
+ * zero for success
+ **/
+static int
+lpfc_issue_lip(struct Scsi_Host *shost)
+{
+	struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
+	struct lpfc_hba   *phba = vport->phba;
+	LPFC_MBOXQ_t *pmboxq;
+	int mbxstatus = MBXERR_ERROR;
+
+	/*
+	 * If the link is offline, disabled or BLOCK_MGMT_IO
+	 * it doesn't make any sense to allow issue_lip
+	 */
+	if ((vport->fc_flag & FC_OFFLINE_MODE) ||
+	    (phba->hba_flag & LINK_DISABLED) ||
+	    (phba->sli.sli_flag & LPFC_BLOCK_MGMT_IO))
+		return -EPERM;
+
+	pmboxq = mempool_alloc(phba->mbox_mem_pool,GFP_KERNEL);
+
+	if (!pmboxq)
+		return -ENOMEM;
+
+	memset((void *)pmboxq, 0, sizeof (LPFC_MBOXQ_t));
+	pmboxq->u.mb.mbxCommand = MBX_DOWN_LINK;
+	pmboxq->u.mb.mbxOwner = OWN_HOST;
+
+	if ((vport->fc_flag & FC_PT2PT) && (vport->fc_flag & FC_PT2PT_NO_NVME))
+		vport->fc_flag &= ~FC_PT2PT_NO_NVME;
+
+	mbxstatus = lpfc_sli_issue_mbox_wait(phba, pmboxq, LPFC_MBOX_TMO * 2);
+
+	if ((mbxstatus == MBX_SUCCESS) &&
+	    (pmboxq->u.mb.mbxStatus == 0 ||
+	     pmboxq->u.mb.mbxStatus == MBXERR_LINK_DOWN)) {
+		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_SUCCESS) &&
+		    (pmboxq->u.mb.mbxStatus == MBXERR_SEC_NO_PERMISSION))
+			lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI,
+					"2859 SLI authentication is required "
+					"for INIT_LINK but has not done yet\n");
+	}
+
+	lpfc_set_loopback_flag(phba);
+	if (mbxstatus != MBX_TIMEOUT)
+		mempool_free(pmboxq, phba->mbox_mem_pool);
+
+	if (mbxstatus == MBXERR_ERROR)
+		return -EIO;
+
+	return 0;
+}
+
+int
+lpfc_emptyq_wait(struct lpfc_hba *phba, struct list_head *q, spinlock_t *lock)
+{
+	int cnt = 0;
+
+	spin_lock_irq(lock);
+	while (!list_empty(q)) {
+		spin_unlock_irq(lock);
+		msleep(20);
+		if (cnt++ > 250) {  /* 5 secs */
+			lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
+					"0466 Outstanding IO when "
+					"bringing Adapter offline\n");
+				return 0;
+		}
+		spin_lock_irq(lock);
+	}
+	spin_unlock_irq(lock);
+	return 1;
+}
+
+/**
+ * lpfc_do_offline - Issues a mailbox command to bring the link down
+ * @phba: lpfc_hba pointer.
+ * @type: LPFC_EVT_OFFLINE, LPFC_EVT_WARM_START, LPFC_EVT_KILL.
+ *
+ * Notes:
+ * Assumes any error from lpfc_do_offline() will be negative.
+ * Can wait up to 5 seconds for the port ring buffers count
+ * to reach zero, prints a warning if it is not zero and continues.
+ * lpfc_workq_post_event() returns a non-zero return code if call fails.
+ *
+ * Returns:
+ * -EIO error posting the event
+ * zero for success
+ **/
+static int
+lpfc_do_offline(struct lpfc_hba *phba, uint32_t type)
+{
+	struct completion online_compl;
+	struct lpfc_queue *qp = NULL;
+	struct lpfc_sli_ring *pring;
+	struct lpfc_sli *psli;
+	int status = 0;
+	int i;
+	int rc;
+
+	init_completion(&online_compl);
+	rc = lpfc_workq_post_event(phba, &status, &online_compl,
+			      LPFC_EVT_OFFLINE_PREP);
+	if (rc == 0)
+		return -ENOMEM;
+
+	wait_for_completion(&online_compl);
+
+	if (status != 0)
+		return -EIO;
+
+	psli = &phba->sli;
+
+	/*
+	 * If freeing the queues have already started, don't access them.
+	 * Otherwise set FREE_WAIT to indicate that queues are being used
+	 * to hold the freeing process until we finish.
+	 */
+	spin_lock_irq(&phba->hbalock);
+	if (!(psli->sli_flag & LPFC_QUEUE_FREE_INIT)) {
+		psli->sli_flag |= LPFC_QUEUE_FREE_WAIT;
+	} else {
+		spin_unlock_irq(&phba->hbalock);
+		goto skip_wait;
+	}
+	spin_unlock_irq(&phba->hbalock);
+
+	/* Wait a little for things to settle down, but not
+	 * long enough for dev loss timeout to expire.
+	 */
+	if (phba->sli_rev != LPFC_SLI_REV4) {
+		for (i = 0; i < psli->num_rings; i++) {
+			pring = &psli->sli3_ring[i];
+			if (!lpfc_emptyq_wait(phba, &pring->txcmplq,
+					      &phba->hbalock))
+				goto out;
+		}
+	} else {
+		list_for_each_entry(qp, &phba->sli4_hba.lpfc_wq_list, wq_list) {
+			pring = qp->pring;
+			if (!pring)
+				continue;
+			if (!lpfc_emptyq_wait(phba, &pring->txcmplq,
+					      &pring->ring_lock))
+				goto out;
+		}
+	}
+out:
+	spin_lock_irq(&phba->hbalock);
+	psli->sli_flag &= ~LPFC_QUEUE_FREE_WAIT;
+	spin_unlock_irq(&phba->hbalock);
+
+skip_wait:
+	init_completion(&online_compl);
+	rc = lpfc_workq_post_event(phba, &status, &online_compl, type);
+	if (rc == 0)
+		return -ENOMEM;
+
+	wait_for_completion(&online_compl);
+
+	if (status != 0)
+		return -EIO;
+
+	return 0;
+}
+
+/**
+ * lpfc_reset_pci_bus - resets PCI bridge controller's secondary bus of an HBA
+ * @phba: lpfc_hba pointer.
+ *
+ * Description:
+ * Issues a PCI secondary bus reset for the phba->pcidev.
+ *
+ * Notes:
+ * First walks the bus_list to ensure only PCI devices with Emulex
+ * vendor id, device ids that support hot reset, only one occurrence
+ * of function 0, and all ports on the bus are in offline mode to ensure the
+ * hot reset only affects one valid HBA.
+ *
+ * Returns:
+ * -ENOTSUPP, cfg_enable_hba_reset must be of value 2
+ * -ENODEV,   NULL ptr to pcidev
+ * -EBADSLT,  detected invalid device
+ * -EBUSY,    port is not in offline state
+ *      0,    successful
+ */
+static int
+lpfc_reset_pci_bus(struct lpfc_hba *phba)
+{
+	struct pci_dev *pdev = phba->pcidev;
+	struct Scsi_Host *shost = NULL;
+	struct lpfc_hba *phba_other = NULL;
+	struct pci_dev *ptr = NULL;
+	int res;
+
+	if (phba->cfg_enable_hba_reset != 2)
+		return -ENOTSUPP;
+
+	if (!pdev) {
+		lpfc_printf_log(phba, KERN_INFO, LOG_INIT, "8345 pdev NULL!\n");
+		return -ENODEV;
+	}
+
+	res = lpfc_check_pci_resettable(phba);
+	if (res)
+		return res;
+
+	/* Walk the list of devices on the pci_dev's bus */
+	list_for_each_entry(ptr, &pdev->bus->devices, bus_list) {
+		/* Check port is offline */
+		shost = pci_get_drvdata(ptr);
+		if (shost) {
+			phba_other =
+				((struct lpfc_vport *)shost->hostdata)->phba;
+			if (!(phba_other->pport->fc_flag & FC_OFFLINE_MODE)) {
+				lpfc_printf_log(phba_other, KERN_INFO, LOG_INIT,
+						"8349 WWPN = 0x%02x%02x%02x%02x"
+						"%02x%02x%02x%02x is not "
+						"offline!\n",
+						phba_other->wwpn[0],
+						phba_other->wwpn[1],
+						phba_other->wwpn[2],
+						phba_other->wwpn[3],
+						phba_other->wwpn[4],
+						phba_other->wwpn[5],
+						phba_other->wwpn[6],
+						phba_other->wwpn[7]);
+				return -EBUSY;
+			}
+		}
+	}
+
+	/* Issue PCI bus reset */
+	res = pci_reset_bus(pdev);
+	if (res) {
+		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+				"8350 PCI reset bus failed: %d\n", res);
+	}
+
+	return res;
+}
+
+/**
+ * lpfc_selective_reset - Offline then onlines the port
+ * @phba: lpfc_hba pointer.
+ *
+ * Description:
+ * If the port is configured to allow a reset then the hba is brought
+ * offline then online.
+ *
+ * Notes:
+ * Assumes any error from lpfc_do_offline() will be negative.
+ * Do not make this function static.
+ *
+ * Returns:
+ * lpfc_do_offline() return code if not zero
+ * -EIO reset not configured or error posting the event
+ * zero for success
+ **/
+int
+lpfc_selective_reset(struct lpfc_hba *phba)
+{
+	struct completion online_compl;
+	int status = 0;
+	int rc;
+
+	if (!phba->cfg_enable_hba_reset)
+		return -EACCES;
+
+	if (!(phba->pport->fc_flag & FC_OFFLINE_MODE)) {
+		status = lpfc_do_offline(phba, LPFC_EVT_OFFLINE);
+
+		if (status != 0)
+			return status;
+	}
+
+	init_completion(&online_compl);
+	rc = lpfc_workq_post_event(phba, &status, &online_compl,
+			      LPFC_EVT_ONLINE);
+	if (rc == 0)
+		return -ENOMEM;
+
+	wait_for_completion(&online_compl);
+
+	if (status != 0)
+		return -EIO;
+
+	return 0;
+}
+
+/**
+ * lpfc_issue_reset - Selectively resets an adapter
+ * @dev: class device that is converted into a Scsi_host.
+ * @attr: device attribute, not used.
+ * @buf: containing the string "selective".
+ * @count: unused variable.
+ *
+ * Description:
+ * If the buf contains the string "selective" then lpfc_selective_reset()
+ * is called to perform the reset.
+ *
+ * Notes:
+ * Assumes any error from lpfc_selective_reset() will be negative.
+ * If lpfc_selective_reset() returns zero then the length of the buffer
+ * is returned which indicates success
+ *
+ * Returns:
+ * -EINVAL if the buffer does not contain the string "selective"
+ * length of buf if lpfc-selective_reset() if the call succeeds
+ * return value of lpfc_selective_reset() if the call fails
+**/
+static ssize_t
+lpfc_issue_reset(struct device *dev, struct device_attribute *attr,
+		 const char *buf, size_t count)
+{
+	struct Scsi_Host  *shost = class_to_shost(dev);
+	struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
+	struct lpfc_hba   *phba = vport->phba;
+	int status = -EINVAL;
+
+	if (!phba->cfg_enable_hba_reset)
+		return -EACCES;
+
+	if (strncmp(buf, "selective", sizeof("selective") - 1) == 0)
+		status = phba->lpfc_selective_reset(phba);
+
+	if (status == 0)
+		return strlen(buf);
+	else
+		return status;
+}
+
+/**
+ * lpfc_sli4_pdev_status_reg_wait - Wait for pdev status register for readyness
+ * @phba: lpfc_hba pointer.
+ *
+ * Description:
+ * SLI4 interface type-2 device to wait on the sliport status register for
+ * the readyness after performing a firmware reset.
+ *
+ * Returns:
+ * zero for success, -EPERM when port does not have privilege to perform the
+ * reset, -EIO when port timeout from recovering from the reset.
+ *
+ * Note:
+ * As the caller will interpret the return code by value, be careful in making
+ * change or addition to return codes.
+ **/
+int
+lpfc_sli4_pdev_status_reg_wait(struct lpfc_hba *phba)
+{
+	struct lpfc_register portstat_reg = {0};
+	int i;
+
+	msleep(100);
+	if (lpfc_readl(phba->sli4_hba.u.if_type2.STATUSregaddr,
+		       &portstat_reg.word0))
+		return -EIO;
+
+	/* verify if privileged for the request operation */
+	if (!bf_get(lpfc_sliport_status_rn, &portstat_reg) &&
+	    !bf_get(lpfc_sliport_status_err, &portstat_reg))
+		return -EPERM;
+
+	/* There is no point to wait if the port is in an unrecoverable
+	 * state.
+	 */
+	if (lpfc_sli4_unrecoverable_port(&portstat_reg))
+		return -EIO;
+
+	/* wait for the SLI port firmware ready after firmware reset */
+	for (i = 0; i < LPFC_FW_RESET_MAXIMUM_WAIT_10MS_CNT; i++) {
+		msleep(10);
+		if (lpfc_readl(phba->sli4_hba.u.if_type2.STATUSregaddr,
+			       &portstat_reg.word0))
+			continue;
+		if (!bf_get(lpfc_sliport_status_err, &portstat_reg))
+			continue;
+		if (!bf_get(lpfc_sliport_status_rn, &portstat_reg))
+			continue;
+		if (!bf_get(lpfc_sliport_status_rdy, &portstat_reg))
+			continue;
+		break;
+	}
+
+	if (i < LPFC_FW_RESET_MAXIMUM_WAIT_10MS_CNT)
+		return 0;
+	else
+		return -EIO;
+}
+
+/**
+ * lpfc_sli4_pdev_reg_request - Request physical dev to perform a register acc
+ * @phba: lpfc_hba pointer.
+ * @opcode: The sli4 config command opcode.
+ *
+ * Description:
+ * Request SLI4 interface type-2 device to perform a physical register set
+ * access.
+ *
+ * Returns:
+ * zero for success
+ **/
+static ssize_t
+lpfc_sli4_pdev_reg_request(struct lpfc_hba *phba, uint32_t opcode)
+{
+	struct completion online_compl;
+	struct pci_dev *pdev = phba->pcidev;
+	uint32_t before_fc_flag;
+	uint32_t sriov_nr_virtfn;
+	uint32_t reg_val;
+	int status = 0, rc = 0;
+	int job_posted = 1, sriov_err;
+
+	if (!phba->cfg_enable_hba_reset)
+		return -EACCES;
+
+	if ((phba->sli_rev < LPFC_SLI_REV4) ||
+	    (bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf) <
+	     LPFC_SLI_INTF_IF_TYPE_2))
+		return -EPERM;
+
+	/* Keep state if we need to restore back */
+	before_fc_flag = phba->pport->fc_flag;
+	sriov_nr_virtfn = phba->cfg_sriov_nr_virtfn;
+
+	if (opcode == LPFC_FW_DUMP) {
+		init_completion(&online_compl);
+		phba->fw_dump_cmpl = &online_compl;
+	} else {
+		/* Disable SR-IOV virtual functions if enabled */
+		if (phba->cfg_sriov_nr_virtfn) {
+			pci_disable_sriov(pdev);
+			phba->cfg_sriov_nr_virtfn = 0;
+		}
+
+		status = lpfc_do_offline(phba, LPFC_EVT_OFFLINE);
+
+		if (status != 0)
+			return status;
+
+		/* wait for the device to be quiesced before firmware reset */
+		msleep(100);
+	}
+
+	reg_val = readl(phba->sli4_hba.conf_regs_memmap_p +
+			LPFC_CTL_PDEV_CTL_OFFSET);
+
+	if (opcode == LPFC_FW_DUMP)
+		reg_val |= LPFC_FW_DUMP_REQUEST;
+	else if (opcode == LPFC_FW_RESET)
+		reg_val |= LPFC_CTL_PDEV_CTL_FRST;
+	else if (opcode == LPFC_DV_RESET)
+		reg_val |= LPFC_CTL_PDEV_CTL_DRST;
+
+	writel(reg_val, phba->sli4_hba.conf_regs_memmap_p +
+	       LPFC_CTL_PDEV_CTL_OFFSET);
+	/* flush */
+	readl(phba->sli4_hba.conf_regs_memmap_p + LPFC_CTL_PDEV_CTL_OFFSET);
+
+	/* delay driver action following IF_TYPE_2 reset */
+	rc = lpfc_sli4_pdev_status_reg_wait(phba);
+
+	if (rc == -EPERM) {
+		/* no privilege for reset */
+		lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
+				"3150 No privilege to perform the requested "
+				"access: x%x\n", reg_val);
+	} else if (rc == -EIO) {
+		/* reset failed, there is nothing more we can do */
+		lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
+				"3153 Fail to perform the requested "
+				"access: x%x\n", reg_val);
+		if (phba->fw_dump_cmpl)
+			phba->fw_dump_cmpl = NULL;
+		return rc;
+	}
+
+	/* keep the original port state */
+	if (before_fc_flag & FC_OFFLINE_MODE) {
+		if (phba->fw_dump_cmpl)
+			phba->fw_dump_cmpl = NULL;
+		goto out;
+	}
+
+	/* Firmware dump will trigger an HA_ERATT event, and
+	 * lpfc_handle_eratt_s4 routine already handles bringing the port back
+	 * online.
+	 */
+	if (opcode == LPFC_FW_DUMP) {
+		wait_for_completion(phba->fw_dump_cmpl);
+	} else  {
+		init_completion(&online_compl);
+		job_posted = lpfc_workq_post_event(phba, &status, &online_compl,
+						   LPFC_EVT_ONLINE);
+		if (!job_posted)
+			goto out;
+
+		wait_for_completion(&online_compl);
+	}
+out:
+	/* in any case, restore the virtual functions enabled as before */
+	if (sriov_nr_virtfn) {
+		/* If fw_dump was performed, first disable to clean up */
+		if (opcode == LPFC_FW_DUMP) {
+			pci_disable_sriov(pdev);
+			phba->cfg_sriov_nr_virtfn = 0;
+		}
+
+		sriov_err =
+			lpfc_sli_probe_sriov_nr_virtfn(phba, sriov_nr_virtfn);
+		if (!sriov_err)
+			phba->cfg_sriov_nr_virtfn = sriov_nr_virtfn;
+	}
+
+	/* return proper error code */
+	if (!rc) {
+		if (!job_posted)
+			rc = -ENOMEM;
+		else if (status)
+			rc = -EIO;
+	}
+	return rc;
+}
+
+/**
+ * lpfc_nport_evt_cnt_show - Return the number of nport events
+ * @dev: class device that is converted into a Scsi_host.
+ * @attr: device attribute, not used.
+ * @buf: on return contains the ascii number of nport events.
+ *
+ * Returns: size of formatted string.
+ **/
+static ssize_t
+lpfc_nport_evt_cnt_show(struct device *dev, struct device_attribute *attr,
+			char *buf)
+{
+	struct Scsi_Host  *shost = class_to_shost(dev);
+	struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
+	struct lpfc_hba   *phba = vport->phba;
+
+	return scnprintf(buf, PAGE_SIZE, "%d\n", phba->nport_event_cnt);
+}
+
+static int
+lpfc_set_trunking(struct lpfc_hba *phba, char *buff_out)
+{
+	LPFC_MBOXQ_t *mbox = NULL;
+	unsigned long val = 0;
+	char *pval = NULL;
+	int rc = 0;
+
+	if (!strncmp("enable", buff_out,
+				 strlen("enable"))) {
+		pval = buff_out + strlen("enable") + 1;
+		rc = kstrtoul(pval, 0, &val);
+		if (rc)
+			return rc; /* Invalid  number */
+	} else if (!strncmp("disable", buff_out,
+				 strlen("disable"))) {
+		val = 0;
+	} else {
+		return -EINVAL;  /* Invalid command */
+	}
+
+	switch (val) {
+	case 0:
+		val = 0x0; /* Disable */
+		break;
+	case 2:
+		val = 0x1; /* Enable two port trunk */
+		break;
+	case 4:
+		val = 0x2; /* Enable four port trunk */
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	lpfc_printf_log(phba, KERN_ERR, LOG_MBOX,
+			"0070 Set trunk mode with val %ld ", val);
+
+	mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
+	if (!mbox)
+		return -ENOMEM;
+
+	lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_FCOE,
+			 LPFC_MBOX_OPCODE_FCOE_FC_SET_TRUNK_MODE,
+			 12, LPFC_SLI4_MBX_EMBED);
+
+	bf_set(lpfc_mbx_set_trunk_mode,
+	       &mbox->u.mqe.un.set_trunk_mode,
+	       val);
+	rc = lpfc_sli_issue_mbox(phba, mbox, MBX_POLL);
+	if (rc)
+		lpfc_printf_log(phba, KERN_ERR, LOG_MBOX,
+				"0071 Set trunk mode failed with status: %d",
+				rc);
+	mempool_free(mbox, phba->mbox_mem_pool);
+
+	return 0;
+}
+
+static ssize_t
+lpfc_xcvr_data_show(struct device *dev, struct device_attribute *attr,
+		    char *buf)
+{
+	struct Scsi_Host  *shost = class_to_shost(dev);
+	struct lpfc_vport *vport = (struct lpfc_vport *)shost->hostdata;
+	struct lpfc_hba   *phba = vport->phba;
+	int rc;
+	int len = 0;
+	struct lpfc_rdp_context	*rdp_context;
+	u16 temperature;
+	u16 rx_power;
+	u16 tx_bias;
+	u16 tx_power;
+	u16 vcc;
+	char chbuf[128];
+	u16 wavelength = 0;
+	struct sff_trasnceiver_codes_byte7 *trasn_code_byte7;
+
+	/* Get transceiver information */
+	rdp_context = kmalloc(sizeof(*rdp_context), GFP_KERNEL);
+
+	rc = lpfc_get_sfp_info_wait(phba, rdp_context);
+	if (rc) {
+		len = scnprintf(buf, PAGE_SIZE - len, "SFP info NA:\n");
+		goto out_free_rdp;
+	}
+
+	strscpy(chbuf, &rdp_context->page_a0[SSF_VENDOR_NAME], 16);
+
+	len = scnprintf(buf, PAGE_SIZE - len, "VendorName:\t%s\n", chbuf);
+	len += scnprintf(buf + len, PAGE_SIZE - len,
+			 "VendorOUI:\t%02x-%02x-%02x\n",
+			 (uint8_t)rdp_context->page_a0[SSF_VENDOR_OUI],
+			 (uint8_t)rdp_context->page_a0[SSF_VENDOR_OUI + 1],
+			 (uint8_t)rdp_context->page_a0[SSF_VENDOR_OUI + 2]);
+	strscpy(chbuf, &rdp_context->page_a0[SSF_VENDOR_PN], 16);
+	len += scnprintf(buf + len, PAGE_SIZE - len, "VendorPN:\t%s\n", chbuf);
+	strscpy(chbuf, &rdp_context->page_a0[SSF_VENDOR_SN], 16);
+	len += scnprintf(buf + len, PAGE_SIZE - len, "VendorSN:\t%s\n", chbuf);
+	strscpy(chbuf, &rdp_context->page_a0[SSF_VENDOR_REV], 4);
+	len += scnprintf(buf + len, PAGE_SIZE - len, "VendorRev:\t%s\n", chbuf);
+	strscpy(chbuf, &rdp_context->page_a0[SSF_DATE_CODE], 8);
+	len += scnprintf(buf + len, PAGE_SIZE - len, "DateCode:\t%s\n", chbuf);
+	len += scnprintf(buf + len, PAGE_SIZE - len, "Identifier:\t%xh\n",
+			 (uint8_t)rdp_context->page_a0[SSF_IDENTIFIER]);
+	len += scnprintf(buf + len, PAGE_SIZE - len, "ExtIdentifier:\t%xh\n",
+			 (uint8_t)rdp_context->page_a0[SSF_EXT_IDENTIFIER]);
+	len += scnprintf(buf + len, PAGE_SIZE - len, "Connector:\t%xh\n",
+			 (uint8_t)rdp_context->page_a0[SSF_CONNECTOR]);
+	wavelength = (rdp_context->page_a0[SSF_WAVELENGTH_B1] << 8) |
+		      rdp_context->page_a0[SSF_WAVELENGTH_B0];
+
+	len += scnprintf(buf + len, PAGE_SIZE - len, "Wavelength:\t%d nm\n",
+			 wavelength);
+	trasn_code_byte7 = (struct sff_trasnceiver_codes_byte7 *)
+			&rdp_context->page_a0[SSF_TRANSCEIVER_CODE_B7];
+
+	len += scnprintf(buf + len, PAGE_SIZE - len, "Speeds: \t");
+	if (*(uint8_t *)trasn_code_byte7 == 0) {
+		len += scnprintf(buf + len, PAGE_SIZE - len, "Unknown\n");
+	} else {
+		if (trasn_code_byte7->fc_sp_100MB)
+			len += scnprintf(buf + len, PAGE_SIZE - len, "1 ");
+		if (trasn_code_byte7->fc_sp_200mb)
+			len += scnprintf(buf + len, PAGE_SIZE - len, "2 ");
+		if (trasn_code_byte7->fc_sp_400MB)
+			len += scnprintf(buf + len, PAGE_SIZE - len, "4 ");
+		if (trasn_code_byte7->fc_sp_800MB)
+			len += scnprintf(buf + len, PAGE_SIZE - len, "8 ");
+		if (trasn_code_byte7->fc_sp_1600MB)
+			len += scnprintf(buf + len, PAGE_SIZE - len, "16 ");
+		if (trasn_code_byte7->fc_sp_3200MB)
+			len += scnprintf(buf + len, PAGE_SIZE - len, "32 ");
+		if (trasn_code_byte7->speed_chk_ecc)
+			len += scnprintf(buf + len, PAGE_SIZE - len, "64 ");
+		len += scnprintf(buf + len, PAGE_SIZE - len, "GB\n");
+	}
+	temperature = (rdp_context->page_a2[SFF_TEMPERATURE_B1] << 8 |
+		       rdp_context->page_a2[SFF_TEMPERATURE_B0]);
+	vcc = (rdp_context->page_a2[SFF_VCC_B1] << 8 |
+	       rdp_context->page_a2[SFF_VCC_B0]);
+	tx_power = (rdp_context->page_a2[SFF_TXPOWER_B1] << 8 |
+		    rdp_context->page_a2[SFF_TXPOWER_B0]);
+	tx_bias = (rdp_context->page_a2[SFF_TX_BIAS_CURRENT_B1] << 8 |
+		   rdp_context->page_a2[SFF_TX_BIAS_CURRENT_B0]);
+	rx_power = (rdp_context->page_a2[SFF_RXPOWER_B1] << 8 |
+		    rdp_context->page_a2[SFF_RXPOWER_B0]);
+
+	len += scnprintf(buf + len, PAGE_SIZE - len,
+			 "Temperature:\tx%04x C\n", temperature);
+	len += scnprintf(buf + len, PAGE_SIZE - len, "Vcc:\t\tx%04x V\n", vcc);
+	len += scnprintf(buf + len, PAGE_SIZE - len,
+			 "TxBiasCurrent:\tx%04x mA\n", tx_bias);
+	len += scnprintf(buf + len, PAGE_SIZE - len, "TxPower:\tx%04x mW\n",
+			 tx_power);
+	len += scnprintf(buf + len, PAGE_SIZE - len, "RxPower:\tx%04x mW\n",
+			 rx_power);
+out_free_rdp:
+	kfree(rdp_context);
+	return len;
+}
+
+/**
+ * lpfc_board_mode_show - Return the state of the board
+ * @dev: class device that is converted into a Scsi_host.
+ * @attr: device attribute, not used.
+ * @buf: on return contains the state of the adapter.
+ *
+ * Returns: size of formatted string.
+ **/
+static ssize_t
+lpfc_board_mode_show(struct device *dev, struct device_attribute *attr,
+		     char *buf)
+{
+	struct Scsi_Host  *shost = class_to_shost(dev);
+	struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
+	struct lpfc_hba   *phba = vport->phba;
+	char  * state;
+
+	if (phba->link_state == LPFC_HBA_ERROR)
+		state = "error";
+	else if (phba->link_state == LPFC_WARM_START)
+		state = "warm start";
+	else if (phba->link_state == LPFC_INIT_START)
+		state = "offline";
+	else
+		state = "online";
+
+	return scnprintf(buf, PAGE_SIZE, "%s\n", state);
+}
+
+/**
+ * lpfc_board_mode_store - Puts the hba in online, offline, warm or error state
+ * @dev: class device that is converted into a Scsi_host.
+ * @attr: device attribute, not used.
+ * @buf: containing one of the strings "online", "offline", "warm" or "error".
+ * @count: unused variable.
+ *
+ * Returns:
+ * -EACCES if enable hba reset not enabled
+ * -EINVAL if the buffer does not contain a valid string (see above)
+ * -EIO if lpfc_workq_post_event() or lpfc_do_offline() fails
+ * buf length greater than zero indicates success
+ **/
+static ssize_t
+lpfc_board_mode_store(struct device *dev, struct device_attribute *attr,
+		      const char *buf, size_t count)
+{
+	struct Scsi_Host  *shost = class_to_shost(dev);
+	struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
+	struct lpfc_hba   *phba = vport->phba;
+	struct completion online_compl;
+	char *board_mode_str = NULL;
+	int status = 0;
+	int rc;
+
+	if (!phba->cfg_enable_hba_reset) {
+		status = -EACCES;
+		goto board_mode_out;
+	}
+
+	lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
+			 "3050 lpfc_board_mode set to %s\n", buf);
+
+	init_completion(&online_compl);
+
+	if(strncmp(buf, "online", sizeof("online") - 1) == 0) {
+		rc = lpfc_workq_post_event(phba, &status, &online_compl,
+				      LPFC_EVT_ONLINE);
+		if (rc == 0) {
+			status = -ENOMEM;
+			goto board_mode_out;
+		}
+		wait_for_completion(&online_compl);
+		if (status)
+			status = -EIO;
+	} else if (strncmp(buf, "offline", sizeof("offline") - 1) == 0)
+		status = lpfc_do_offline(phba, LPFC_EVT_OFFLINE);
+	else if (strncmp(buf, "warm", sizeof("warm") - 1) == 0)
+		if (phba->sli_rev == LPFC_SLI_REV4)
+			status = -EINVAL;
+		else
+			status = lpfc_do_offline(phba, LPFC_EVT_WARM_START);
+	else if (strncmp(buf, "error", sizeof("error") - 1) == 0)
+		if (phba->sli_rev == LPFC_SLI_REV4)
+			status = -EINVAL;
+		else
+			status = lpfc_do_offline(phba, LPFC_EVT_KILL);
+	else if (strncmp(buf, "dump", sizeof("dump") - 1) == 0)
+		status = lpfc_sli4_pdev_reg_request(phba, LPFC_FW_DUMP);
+	else if (strncmp(buf, "fw_reset", sizeof("fw_reset") - 1) == 0)
+		status = lpfc_sli4_pdev_reg_request(phba, LPFC_FW_RESET);
+	else if (strncmp(buf, "dv_reset", sizeof("dv_reset") - 1) == 0)
+		status = lpfc_sli4_pdev_reg_request(phba, LPFC_DV_RESET);
+	else if (strncmp(buf, "pci_bus_reset", sizeof("pci_bus_reset") - 1)
+		 == 0)
+		status = lpfc_reset_pci_bus(phba);
+	else if (strncmp(buf, "heartbeat", sizeof("heartbeat") - 1) == 0)
+		lpfc_issue_hb_tmo(phba);
+	else if (strncmp(buf, "trunk", sizeof("trunk") - 1) == 0)
+		status = lpfc_set_trunking(phba, (char *)buf + sizeof("trunk"));
+	else
+		status = -EINVAL;
+
+board_mode_out:
+	if (!status)
+		return strlen(buf);
+	else {
+		board_mode_str = strchr(buf, '\n');
+		if (board_mode_str)
+			*board_mode_str = '\0';
+		lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
+				 "3097 Failed \"%s\", status(%d), "
+				 "fc_flag(x%x)\n",
+				 buf, status, phba->pport->fc_flag);
+		return status;
+	}
+}
+
+/**
+ * lpfc_get_hba_info - Return various bits of informaton about the adapter
+ * @phba: pointer to the adapter structure.
+ * @mxri: max xri count.
+ * @axri: available xri count.
+ * @mrpi: max rpi count.
+ * @arpi: available rpi count.
+ * @mvpi: max vpi count.
+ * @avpi: available vpi count.
+ *
+ * Description:
+ * If an integer pointer for an count is not null then the value for the
+ * count is returned.
+ *
+ * Returns:
+ * zero on error
+ * one for success
+ **/
+static int
+lpfc_get_hba_info(struct lpfc_hba *phba,
+		  uint32_t *mxri, uint32_t *axri,
+		  uint32_t *mrpi, uint32_t *arpi,
+		  uint32_t *mvpi, uint32_t *avpi)
+{
+	LPFC_MBOXQ_t *pmboxq;
+	MAILBOX_t *pmb;
+	int rc = 0;
+	struct lpfc_sli4_hba *sli4_hba;
+	struct lpfc_max_cfg_param *max_cfg_param;
+	u16 rsrc_ext_cnt, rsrc_ext_size, max_vpi;
+
+	/*
+	 * prevent udev from issuing mailbox commands until the port is
+	 * configured.
+	 */
+	if (phba->link_state < LPFC_LINK_DOWN ||
+	    !phba->mbox_mem_pool ||
+	    (phba->sli.sli_flag & LPFC_SLI_ACTIVE) == 0)
+		return 0;
+
+	if (phba->sli.sli_flag & LPFC_BLOCK_MGMT_IO)
+		return 0;
+
+	pmboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
+	if (!pmboxq)
+		return 0;
+	memset(pmboxq, 0, sizeof (LPFC_MBOXQ_t));
+
+	pmb = &pmboxq->u.mb;
+	pmb->mbxCommand = MBX_READ_CONFIG;
+	pmb->mbxOwner = OWN_HOST;
+	pmboxq->ctx_buf = NULL;
+
+	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);
+
+	if (rc != MBX_SUCCESS) {
+		if (rc != MBX_TIMEOUT)
+			mempool_free(pmboxq, phba->mbox_mem_pool);
+		return 0;
+	}
+
+	if (phba->sli_rev == LPFC_SLI_REV4) {
+		sli4_hba = &phba->sli4_hba;
+		max_cfg_param = &sli4_hba->max_cfg_param;
+
+		/* Normally, extents are not used */
+		if (!phba->sli4_hba.extents_in_use) {
+			if (mrpi)
+				*mrpi = max_cfg_param->max_rpi;
+			if (mxri)
+				*mxri = max_cfg_param->max_xri;
+			if (mvpi) {
+				max_vpi = max_cfg_param->max_vpi;
+
+				/* Limit the max we support */
+				if (max_vpi > LPFC_MAX_VPI)
+					max_vpi = LPFC_MAX_VPI;
+				*mvpi = max_vpi;
+			}
+		} else { /* Extents in use */
+			if (mrpi) {
+				if (lpfc_sli4_get_avail_extnt_rsrc(phba,
+								   LPFC_RSC_TYPE_FCOE_RPI,
+								   &rsrc_ext_cnt,
+								   &rsrc_ext_size)) {
+					rc = 0;
+					goto free_pmboxq;
+				}
+
+				*mrpi = rsrc_ext_cnt * rsrc_ext_size;
+			}
+
+			if (mxri) {
+				if (lpfc_sli4_get_avail_extnt_rsrc(phba,
+								   LPFC_RSC_TYPE_FCOE_XRI,
+								   &rsrc_ext_cnt,
+								   &rsrc_ext_size)) {
+					rc = 0;
+					goto free_pmboxq;
+				}
+
+				*mxri = rsrc_ext_cnt * rsrc_ext_size;
+			}
+
+			if (mvpi) {
+				if (lpfc_sli4_get_avail_extnt_rsrc(phba,
+								   LPFC_RSC_TYPE_FCOE_VPI,
+								   &rsrc_ext_cnt,
+								   &rsrc_ext_size)) {
+					rc = 0;
+					goto free_pmboxq;
+				}
+
+				max_vpi = rsrc_ext_cnt * rsrc_ext_size;
+
+				/* Limit the max we support */
+				if (max_vpi > LPFC_MAX_VPI)
+					max_vpi = LPFC_MAX_VPI;
+				*mvpi = max_vpi;
+			}
+		}
+	} else {
+		if (mrpi)
+			*mrpi = pmb->un.varRdConfig.max_rpi;
+		if (arpi)
+			*arpi = pmb->un.varRdConfig.avail_rpi;
+		if (mxri)
+			*mxri = pmb->un.varRdConfig.max_xri;
+		if (axri)
+			*axri = pmb->un.varRdConfig.avail_xri;
+		if (mvpi)
+			*mvpi = pmb->un.varRdConfig.max_vpi;
+		if (avpi) {
+			/* avail_vpi is only valid if link is up and ready */
+			if (phba->link_state == LPFC_HBA_READY)
+				*avpi = pmb->un.varRdConfig.avail_vpi;
+			else
+				*avpi = pmb->un.varRdConfig.max_vpi;
+		}
+	}
+
+	/* Success */
+	rc = 1;
+
+free_pmboxq:
+	mempool_free(pmboxq, phba->mbox_mem_pool);
+	return rc;
+}
+
+/**
+ * lpfc_max_rpi_show - Return maximum rpi
+ * @dev: class device that is converted into a Scsi_host.
+ * @attr: device attribute, not used.
+ * @buf: on return contains the maximum rpi count in decimal or "Unknown".
+ *
+ * Description:
+ * Calls lpfc_get_hba_info() asking for just the mrpi count.
+ * If lpfc_get_hba_info() returns zero (failure) the buffer text is set
+ * to "Unknown" and the buffer length is returned, therefore the caller
+ * must check for "Unknown" in the buffer to detect a failure.
+ *
+ * Returns: size of formatted string.
+ **/
+static ssize_t
+lpfc_max_rpi_show(struct device *dev, struct device_attribute *attr,
+		  char *buf)
+{
+	struct Scsi_Host  *shost = class_to_shost(dev);
+	struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
+	struct lpfc_hba   *phba = vport->phba;
+	uint32_t cnt;
+
+	if (lpfc_get_hba_info(phba, NULL, NULL, &cnt, NULL, NULL, NULL))
+		return scnprintf(buf, PAGE_SIZE, "%d\n", cnt);
+	return scnprintf(buf, PAGE_SIZE, "Unknown\n");
+}
+
+/**
+ * lpfc_used_rpi_show - Return maximum rpi minus available rpi
+ * @dev: class device that is converted into a Scsi_host.
+ * @attr: device attribute, not used.
+ * @buf: containing the used rpi count in decimal or "Unknown".
+ *
+ * Description:
+ * Calls lpfc_get_hba_info() asking for just the mrpi and arpi counts.
+ * If lpfc_get_hba_info() returns zero (failure) the buffer text is set
+ * to "Unknown" and the buffer length is returned, therefore the caller
+ * must check for "Unknown" in the buffer to detect a failure.
+ *
+ * Returns: size of formatted string.
+ **/
+static ssize_t
+lpfc_used_rpi_show(struct device *dev, struct device_attribute *attr,
+		   char *buf)
+{
+	struct Scsi_Host  *shost = class_to_shost(dev);
+	struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
+	struct lpfc_hba   *phba = vport->phba;
+	struct lpfc_sli4_hba *sli4_hba;
+	struct lpfc_max_cfg_param *max_cfg_param;
+	u32 cnt = 0, acnt = 0;
+
+	if (phba->sli_rev == LPFC_SLI_REV4) {
+		sli4_hba = &phba->sli4_hba;
+		max_cfg_param = &sli4_hba->max_cfg_param;
+		return scnprintf(buf, PAGE_SIZE, "%d\n",
+				 max_cfg_param->rpi_used);
+	} else {
+		if (lpfc_get_hba_info(phba, NULL, NULL, &cnt, &acnt, NULL, NULL))
+			return scnprintf(buf, PAGE_SIZE, "%d\n", (cnt - acnt));
+	}
+	return scnprintf(buf, PAGE_SIZE, "Unknown\n");
+}
+
+/**
+ * lpfc_max_xri_show - Return maximum xri
+ * @dev: class device that is converted into a Scsi_host.
+ * @attr: device attribute, not used.
+ * @buf: on return contains the maximum xri count in decimal or "Unknown".
+ *
+ * Description:
+ * Calls lpfc_get_hba_info() asking for just the mrpi count.
+ * If lpfc_get_hba_info() returns zero (failure) the buffer text is set
+ * to "Unknown" and the buffer length is returned, therefore the caller
+ * must check for "Unknown" in the buffer to detect a failure.
+ *
+ * Returns: size of formatted string.
+ **/
+static ssize_t
+lpfc_max_xri_show(struct device *dev, struct device_attribute *attr,
+		  char *buf)
+{
+	struct Scsi_Host  *shost = class_to_shost(dev);
+	struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
+	struct lpfc_hba   *phba = vport->phba;
+	uint32_t cnt;
+
+	if (lpfc_get_hba_info(phba, &cnt, NULL, NULL, NULL, NULL, NULL))
+		return scnprintf(buf, PAGE_SIZE, "%d\n", cnt);
+	return scnprintf(buf, PAGE_SIZE, "Unknown\n");
+}
+
+/**
+ * lpfc_used_xri_show - Return maximum xpi minus the available xpi
+ * @dev: class device that is converted into a Scsi_host.
+ * @attr: device attribute, not used.
+ * @buf: on return contains the used xri count in decimal or "Unknown".
+ *
+ * Description:
+ * Calls lpfc_get_hba_info() asking for just the mxri and axri counts.
+ * If lpfc_get_hba_info() returns zero (failure) the buffer text is set
+ * to "Unknown" and the buffer length is returned, therefore the caller
+ * must check for "Unknown" in the buffer to detect a failure.
+ *
+ * Returns: size of formatted string.
+ **/
+static ssize_t
+lpfc_used_xri_show(struct device *dev, struct device_attribute *attr,
+		   char *buf)
+{
+	struct Scsi_Host  *shost = class_to_shost(dev);
+	struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
+	struct lpfc_hba   *phba = vport->phba;
+	struct lpfc_sli4_hba *sli4_hba;
+	struct lpfc_max_cfg_param *max_cfg_param;
+	u32 cnt = 0, acnt = 0;
+
+	if (phba->sli_rev == LPFC_SLI_REV4) {
+		sli4_hba = &phba->sli4_hba;
+		max_cfg_param = &sli4_hba->max_cfg_param;
+		return scnprintf(buf, PAGE_SIZE, "%d\n",
+				 max_cfg_param->xri_used);
+	} else {
+		if (lpfc_get_hba_info(phba, &cnt, &acnt, NULL, NULL, NULL, NULL))
+			return scnprintf(buf, PAGE_SIZE, "%d\n", (cnt - acnt));
+	}
+	return scnprintf(buf, PAGE_SIZE, "Unknown\n");
+}
+
+/**
+ * lpfc_max_vpi_show - Return maximum vpi
+ * @dev: class device that is converted into a Scsi_host.
+ * @attr: device attribute, not used.
+ * @buf: on return contains the maximum vpi count in decimal or "Unknown".
+ *
+ * Description:
+ * Calls lpfc_get_hba_info() asking for just the mvpi count.
+ * If lpfc_get_hba_info() returns zero (failure) the buffer text is set
+ * to "Unknown" and the buffer length is returned, therefore the caller
+ * must check for "Unknown" in the buffer to detect a failure.
+ *
+ * Returns: size of formatted string.
+ **/
+static ssize_t
+lpfc_max_vpi_show(struct device *dev, struct device_attribute *attr,
+		  char *buf)
+{
+	struct Scsi_Host  *shost = class_to_shost(dev);
+	struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
+	struct lpfc_hba   *phba = vport->phba;
+	uint32_t cnt;
+
+	if (lpfc_get_hba_info(phba, NULL, NULL, NULL, NULL, &cnt, NULL))
+		return scnprintf(buf, PAGE_SIZE, "%d\n", cnt);
+	return scnprintf(buf, PAGE_SIZE, "Unknown\n");
+}
+
+/**
+ * lpfc_used_vpi_show - Return maximum vpi minus the available vpi
+ * @dev: class device that is converted into a Scsi_host.
+ * @attr: device attribute, not used.
+ * @buf: on return contains the used vpi count in decimal or "Unknown".
+ *
+ * Description:
+ * Calls lpfc_get_hba_info() asking for just the mvpi and avpi counts.
+ * If lpfc_get_hba_info() returns zero (failure) the buffer text is set
+ * to "Unknown" and the buffer length is returned, therefore the caller
+ * must check for "Unknown" in the buffer to detect a failure.
+ *
+ * Returns: size of formatted string.
+ **/
+static ssize_t
+lpfc_used_vpi_show(struct device *dev, struct device_attribute *attr,
+		   char *buf)
+{
+	struct Scsi_Host  *shost = class_to_shost(dev);
+	struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
+	struct lpfc_hba   *phba = vport->phba;
+	struct lpfc_sli4_hba *sli4_hba;
+	struct lpfc_max_cfg_param *max_cfg_param;
+	u32 cnt = 0, acnt = 0;
+
+	if (phba->sli_rev == LPFC_SLI_REV4) {
+		sli4_hba = &phba->sli4_hba;
+		max_cfg_param = &sli4_hba->max_cfg_param;
+		return scnprintf(buf, PAGE_SIZE, "%d\n",
+				 max_cfg_param->vpi_used);
+	} else {
+		if (lpfc_get_hba_info(phba, NULL, NULL, NULL, NULL, &cnt, &acnt))
+			return scnprintf(buf, PAGE_SIZE, "%d\n", (cnt - acnt));
+	}
+	return scnprintf(buf, PAGE_SIZE, "Unknown\n");
+}
+
+/**
+ * lpfc_npiv_info_show - Return text about NPIV support for the adapter
+ * @dev: class device that is converted into a Scsi_host.
+ * @attr: device attribute, not used.
+ * @buf: text that must be interpreted to determine if npiv is supported.
+ *
+ * Description:
+ * Buffer will contain text indicating npiv is not suppoerted on the port,
+ * the port is an NPIV physical port, or it is an npiv virtual port with
+ * the id of the vport.
+ *
+ * Returns: size of formatted string.
+ **/
+static ssize_t
+lpfc_npiv_info_show(struct device *dev, struct device_attribute *attr,
+		    char *buf)
+{
+	struct Scsi_Host  *shost = class_to_shost(dev);
+	struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
+	struct lpfc_hba   *phba = vport->phba;
+
+	if (!(phba->max_vpi))
+		return scnprintf(buf, PAGE_SIZE, "NPIV Not Supported\n");
+	if (vport->port_type == LPFC_PHYSICAL_PORT)
+		return scnprintf(buf, PAGE_SIZE, "NPIV Physical\n");
+	return scnprintf(buf, PAGE_SIZE, "NPIV Virtual (VPI %d)\n", vport->vpi);
+}
+
+/**
+ * lpfc_poll_show - Return text about poll support for the adapter
+ * @dev: class device that is converted into a Scsi_host.
+ * @attr: device attribute, not used.
+ * @buf: on return contains the cfg_poll in hex.
+ *
+ * Notes:
+ * cfg_poll should be a lpfc_polling_flags type.
+ *
+ * Returns: size of formatted string.
+ **/
+static ssize_t
+lpfc_poll_show(struct device *dev, struct device_attribute *attr,
+	       char *buf)
+{
+	struct Scsi_Host  *shost = class_to_shost(dev);
+	struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
+	struct lpfc_hba   *phba = vport->phba;
+
+	return scnprintf(buf, PAGE_SIZE, "%#x\n", phba->cfg_poll);
+}
+
+/**
+ * lpfc_poll_store - Set the value of cfg_poll for the adapter
+ * @dev: class device that is converted into a Scsi_host.
+ * @attr: device attribute, not used.
+ * @buf: one or more lpfc_polling_flags values.
+ * @count: not used.
+ *
+ * Notes:
+ * buf contents converted to integer and checked for a valid value.
+ *
+ * Returns:
+ * -EINVAL if the buffer connot be converted or is out of range
+ * length of the buf on success
+ **/
+static ssize_t
+lpfc_poll_store(struct device *dev, struct device_attribute *attr,
+		const char *buf, size_t count)
+{
+	struct Scsi_Host  *shost = class_to_shost(dev);
+	struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
+	struct lpfc_hba   *phba = vport->phba;
+	uint32_t creg_val;
+	uint32_t old_val;
+	int val=0;
+
+	if (!isdigit(buf[0]))
+		return -EINVAL;
+
+	if (sscanf(buf, "%i", &val) != 1)
+		return -EINVAL;
+
+	if ((val & 0x3) != val)
+		return -EINVAL;
+
+	if (phba->sli_rev == LPFC_SLI_REV4)
+		val = 0;
+
+	lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
+		"3051 lpfc_poll changed from %d to %d\n",
+		phba->cfg_poll, val);
+
+	spin_lock_irq(&phba->hbalock);
+
+	old_val = phba->cfg_poll;
+
+	if (val & ENABLE_FCP_RING_POLLING) {
+		if ((val & DISABLE_FCP_RING_INT) &&
+		    !(old_val & DISABLE_FCP_RING_INT)) {
+			if (lpfc_readl(phba->HCregaddr, &creg_val)) {
+				spin_unlock_irq(&phba->hbalock);
+				return -EINVAL;
+			}
+			creg_val &= ~(HC_R0INT_ENA << LPFC_FCP_RING);
+			writel(creg_val, phba->HCregaddr);
+			readl(phba->HCregaddr); /* flush */
+
+			lpfc_poll_start_timer(phba);
+		}
+	} else if (val != 0x0) {
+		spin_unlock_irq(&phba->hbalock);
+		return -EINVAL;
+	}
+
+	if (!(val & DISABLE_FCP_RING_INT) &&
+	    (old_val & DISABLE_FCP_RING_INT))
+	{
+		spin_unlock_irq(&phba->hbalock);
+		del_timer(&phba->fcp_poll_timer);
+		spin_lock_irq(&phba->hbalock);
+		if (lpfc_readl(phba->HCregaddr, &creg_val)) {
+			spin_unlock_irq(&phba->hbalock);
+			return -EINVAL;
+		}
+		creg_val |= (HC_R0INT_ENA << LPFC_FCP_RING);
+		writel(creg_val, phba->HCregaddr);
+		readl(phba->HCregaddr); /* flush */
+	}
+
+	phba->cfg_poll = val;
+
+	spin_unlock_irq(&phba->hbalock);
+
+	return strlen(buf);
+}
+
+/**
+ * lpfc_sriov_hw_max_virtfn_show - Return maximum number of virtual functions
+ * @dev: class converted to a Scsi_host structure.
+ * @attr: device attribute, not used.
+ * @buf: on return contains the formatted support level.
+ *
+ * Description:
+ * Returns the maximum number of virtual functions a physical function can
+ * support, 0 will be returned if called on virtual function.
+ *
+ * Returns: size of formatted string.
+ **/
+static ssize_t
+lpfc_sriov_hw_max_virtfn_show(struct device *dev,
+			      struct device_attribute *attr,
+			      char *buf)
+{
+	struct Scsi_Host *shost = class_to_shost(dev);
+	struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
+	struct lpfc_hba *phba = vport->phba;
+	uint16_t max_nr_virtfn;
+
+	max_nr_virtfn = lpfc_sli_sriov_nr_virtfn_get(phba);
+	return scnprintf(buf, PAGE_SIZE, "%d\n", max_nr_virtfn);
+}
+
+/**
+ * lpfc_enable_bbcr_set: Sets an attribute value.
+ * @phba: pointer to the adapter structure.
+ * @val: integer attribute value.
+ *
+ * Description:
+ * Validates the min and max values then sets the
+ * adapter config field if in the valid range. prints error message
+ * and does not set the parameter if invalid.
+ *
+ * Returns:
+ * zero on success
+ * -EINVAL if val is invalid
+ */
+static ssize_t
+lpfc_enable_bbcr_set(struct lpfc_hba *phba, uint val)
+{
+	if (lpfc_rangecheck(val, 0, 1) && phba->sli_rev == LPFC_SLI_REV4) {
+		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+				"3068 lpfc_enable_bbcr changed from %d to "
+				"%d\n", phba->cfg_enable_bbcr, val);
+		phba->cfg_enable_bbcr = val;
+		return 0;
+	}
+	lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+			"0451 lpfc_enable_bbcr cannot set to %d, range is 0, "
+			"1\n", val);
+	return -EINVAL;
+}
+
+/*
+ * lpfc_param_show - Return a cfg attribute value in decimal
+ *
+ * Description:
+ * Macro that given an attr e.g. hba_queue_depth expands
+ * into a function with the name lpfc_hba_queue_depth_show.
+ *
+ * lpfc_##attr##_show: Return the decimal value of an adapters cfg_xxx field.
+ * @dev: class device that is converted into a Scsi_host.
+ * @attr: device attribute, not used.
+ * @buf: on return contains the attribute value in decimal.
+ *
+ * Returns: size of formatted string.
+ **/
+#define lpfc_param_show(attr)	\
+static ssize_t \
+lpfc_##attr##_show(struct device *dev, struct device_attribute *attr, \
+		   char *buf) \
+{ \
+	struct Scsi_Host  *shost = class_to_shost(dev);\
+	struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;\
+	struct lpfc_hba   *phba = vport->phba;\
+	return scnprintf(buf, PAGE_SIZE, "%d\n",\
+			phba->cfg_##attr);\
+}
+
+/*
+ * lpfc_param_hex_show - Return a cfg attribute value in hex
+ *
+ * Description:
+ * Macro that given an attr e.g. hba_queue_depth expands
+ * into a function with the name lpfc_hba_queue_depth_show
+ *
+ * lpfc_##attr##_show: Return the hex value of an adapters cfg_xxx field.
+ * @dev: class device that is converted into a Scsi_host.
+ * @attr: device attribute, not used.
+ * @buf: on return contains the attribute value in hexadecimal.
+ *
+ * Returns: size of formatted string.
+ **/
+#define lpfc_param_hex_show(attr)	\
+static ssize_t \
+lpfc_##attr##_show(struct device *dev, struct device_attribute *attr, \
+		   char *buf) \
+{ \
+	struct Scsi_Host  *shost = class_to_shost(dev);\
+	struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;\
+	struct lpfc_hba   *phba = vport->phba;\
+	uint val = 0;\
+	val = phba->cfg_##attr;\
+	return scnprintf(buf, PAGE_SIZE, "%#x\n",\
+			phba->cfg_##attr);\
+}
+
+/*
+ * lpfc_param_init - Initializes a cfg attribute
+ *
+ * Description:
+ * Macro that given an attr e.g. hba_queue_depth expands
+ * into a function with the name lpfc_hba_queue_depth_init. The macro also
+ * takes a default argument, a minimum and maximum argument.
+ *
+ * lpfc_##attr##_init: Initializes an attribute.
+ * @phba: pointer to the adapter structure.
+ * @val: integer attribute value.
+ *
+ * Validates the min and max values then sets the adapter config field
+ * accordingly, or uses the default if out of range and prints an error message.
+ *
+ * Returns:
+ * zero on success
+ * -EINVAL if default used
+ **/
+#define lpfc_param_init(attr, default, minval, maxval)	\
+static int \
+lpfc_##attr##_init(struct lpfc_hba *phba, uint val) \
+{ \
+	if (lpfc_rangecheck(val, minval, maxval)) {\
+		phba->cfg_##attr = val;\
+		return 0;\
+	}\
+	lpfc_printf_log(phba, KERN_ERR, LOG_INIT, \
+			"0449 lpfc_"#attr" attribute cannot be set to %d, "\
+			"allowed range is ["#minval", "#maxval"]\n", val); \
+	phba->cfg_##attr = default;\
+	return -EINVAL;\
+}
+
+/*
+ * lpfc_param_set - Set a cfg attribute value
+ *
+ * Description:
+ * Macro that given an attr e.g. hba_queue_depth expands
+ * into a function with the name lpfc_hba_queue_depth_set
+ *
+ * lpfc_##attr##_set: Sets an attribute value.
+ * @phba: pointer to the adapter structure.
+ * @val: integer attribute value.
+ *
+ * Description:
+ * Validates the min and max values then sets the
+ * adapter config field if in the valid range. prints error message
+ * and does not set the parameter if invalid.
+ *
+ * Returns:
+ * zero on success
+ * -EINVAL if val is invalid
+ **/
+#define lpfc_param_set(attr, default, minval, maxval)	\
+static int \
+lpfc_##attr##_set(struct lpfc_hba *phba, uint val) \
+{ \
+	if (lpfc_rangecheck(val, minval, maxval)) {\
+		lpfc_printf_log(phba, KERN_ERR, LOG_INIT, \
+			"3052 lpfc_" #attr " changed from %d to %d\n", \
+			phba->cfg_##attr, val); \
+		phba->cfg_##attr = val;\
+		return 0;\
+	}\
+	lpfc_printf_log(phba, KERN_ERR, LOG_INIT, \
+			"0450 lpfc_"#attr" attribute cannot be set to %d, "\
+			"allowed range is ["#minval", "#maxval"]\n", val); \
+	return -EINVAL;\
+}
+
+/*
+ * lpfc_param_store - Set a vport attribute value
+ *
+ * Description:
+ * Macro that given an attr e.g. hba_queue_depth expands
+ * into a function with the name lpfc_hba_queue_depth_store.
+ *
+ * lpfc_##attr##_store: Set an sttribute value.
+ * @dev: class device that is converted into a Scsi_host.
+ * @attr: device attribute, not used.
+ * @buf: contains the attribute value in ascii.
+ * @count: not used.
+ *
+ * Description:
+ * Convert the ascii text number to an integer, then
+ * use the lpfc_##attr##_set function to set the value.
+ *
+ * Returns:
+ * -EINVAL if val is invalid or lpfc_##attr##_set() fails
+ * length of buffer upon success.
+ **/
+#define lpfc_param_store(attr)	\
+static ssize_t \
+lpfc_##attr##_store(struct device *dev, struct device_attribute *attr, \
+		    const char *buf, size_t count) \
+{ \
+	struct Scsi_Host  *shost = class_to_shost(dev);\
+	struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;\
+	struct lpfc_hba   *phba = vport->phba;\
+	uint val = 0;\
+	if (!isdigit(buf[0]))\
+		return -EINVAL;\
+	if (sscanf(buf, "%i", &val) != 1)\
+		return -EINVAL;\
+	if (lpfc_##attr##_set(phba, val) == 0) \
+		return strlen(buf);\
+	else \
+		return -EINVAL;\
+}
+
+/*
+ * lpfc_vport_param_show - Return decimal formatted cfg attribute value
+ *
+ * Description:
+ * Macro that given an attr e.g. hba_queue_depth expands
+ * into a function with the name lpfc_hba_queue_depth_show
+ *
+ * lpfc_##attr##_show: prints the attribute value in decimal.
+ * @dev: class device that is converted into a Scsi_host.
+ * @attr: device attribute, not used.
+ * @buf: on return contains the attribute value in decimal.
+ *
+ * Returns: length of formatted string.
+ **/
+#define lpfc_vport_param_show(attr)	\
+static ssize_t \
+lpfc_##attr##_show(struct device *dev, struct device_attribute *attr, \
+		   char *buf) \
+{ \
+	struct Scsi_Host  *shost = class_to_shost(dev);\
+	struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;\
+	return scnprintf(buf, PAGE_SIZE, "%d\n", vport->cfg_##attr);\
+}
+
+/*
+ * lpfc_vport_param_hex_show - Return hex formatted attribute value
+ *
+ * Description:
+ * Macro that given an attr e.g.
+ * hba_queue_depth expands into a function with the name
+ * lpfc_hba_queue_depth_show
+ *
+ * lpfc_##attr##_show: prints the attribute value in hexadecimal.
+ * @dev: class device that is converted into a Scsi_host.
+ * @attr: device attribute, not used.
+ * @buf: on return contains the attribute value in hexadecimal.
+ *
+ * Returns: length of formatted string.
+ **/
+#define lpfc_vport_param_hex_show(attr)	\
+static ssize_t \
+lpfc_##attr##_show(struct device *dev, struct device_attribute *attr, \
+		   char *buf) \
+{ \
+	struct Scsi_Host  *shost = class_to_shost(dev);\
+	struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;\
+	return scnprintf(buf, PAGE_SIZE, "%#x\n", vport->cfg_##attr);\
+}
+
+/*
+ * lpfc_vport_param_init - Initialize a vport cfg attribute
+ *
+ * Description:
+ * Macro that given an attr e.g. hba_queue_depth expands
+ * into a function with the name lpfc_hba_queue_depth_init. The macro also
+ * takes a default argument, a minimum and maximum argument.
+ *
+ * lpfc_##attr##_init: validates the min and max values then sets the
+ * adapter config field accordingly, or uses the default if out of range
+ * and prints an error message.
+ * @phba: pointer to the adapter structure.
+ * @val: integer attribute value.
+ *
+ * Returns:
+ * zero on success
+ * -EINVAL if default used
+ **/
+#define lpfc_vport_param_init(attr, default, minval, maxval)	\
+static int \
+lpfc_##attr##_init(struct lpfc_vport *vport, uint val) \
+{ \
+	if (lpfc_rangecheck(val, minval, maxval)) {\
+		vport->cfg_##attr = val;\
+		return 0;\
+	}\
+	lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, \
+			 "0423 lpfc_"#attr" attribute cannot be set to %d, "\
+			 "allowed range is ["#minval", "#maxval"]\n", val); \
+	vport->cfg_##attr = default;\
+	return -EINVAL;\
+}
+
+/*
+ * lpfc_vport_param_set - Set a vport cfg attribute
+ *
+ * Description:
+ * Macro that given an attr e.g. hba_queue_depth expands
+ * into a function with the name lpfc_hba_queue_depth_set
+ *
+ * lpfc_##attr##_set: validates the min and max values then sets the
+ * adapter config field if in the valid range. prints error message
+ * and does not set the parameter if invalid.
+ * @phba: pointer to the adapter structure.
+ * @val:	integer attribute value.
+ *
+ * Returns:
+ * zero on success
+ * -EINVAL if val is invalid
+ **/
+#define lpfc_vport_param_set(attr, default, minval, maxval)	\
+static int \
+lpfc_##attr##_set(struct lpfc_vport *vport, uint val) \
+{ \
+	if (lpfc_rangecheck(val, minval, maxval)) {\
+		lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, \
+			"3053 lpfc_" #attr \
+			" changed from %d (x%x) to %d (x%x)\n", \
+			vport->cfg_##attr, vport->cfg_##attr, \
+			val, val); \
+		vport->cfg_##attr = val;\
+		return 0;\
+	}\
+	lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, \
+			 "0424 lpfc_"#attr" attribute cannot be set to %d, "\
+			 "allowed range is ["#minval", "#maxval"]\n", val); \
+	return -EINVAL;\
+}
+
+/*
+ * lpfc_vport_param_store - Set a vport attribute
+ *
+ * Description:
+ * Macro that given an attr e.g. hba_queue_depth
+ * expands into a function with the name lpfc_hba_queue_depth_store
+ *
+ * lpfc_##attr##_store: convert the ascii text number to an integer, then
+ * use the lpfc_##attr##_set function to set the value.
+ * @cdev: class device that is converted into a Scsi_host.
+ * @buf:	contains the attribute value in decimal.
+ * @count: not used.
+ *
+ * Returns:
+ * -EINVAL if val is invalid or lpfc_##attr##_set() fails
+ * length of buffer upon success.
+ **/
+#define lpfc_vport_param_store(attr)	\
+static ssize_t \
+lpfc_##attr##_store(struct device *dev, struct device_attribute *attr, \
+		    const char *buf, size_t count) \
+{ \
+	struct Scsi_Host  *shost = class_to_shost(dev);\
+	struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;\
+	uint val = 0;\
+	if (!isdigit(buf[0]))\
+		return -EINVAL;\
+	if (sscanf(buf, "%i", &val) != 1)\
+		return -EINVAL;\
+	if (lpfc_##attr##_set(vport, val) == 0) \
+		return strlen(buf);\
+	else \
+		return -EINVAL;\
+}
+
+
+static DEVICE_ATTR(nvme_info, 0444, lpfc_nvme_info_show, NULL);
+static DEVICE_ATTR(scsi_stat, 0444, lpfc_scsi_stat_show, NULL);
+static DEVICE_ATTR(bg_info, S_IRUGO, lpfc_bg_info_show, NULL);
+static DEVICE_ATTR(bg_guard_err, S_IRUGO, lpfc_bg_guard_err_show, NULL);
+static DEVICE_ATTR(bg_apptag_err, S_IRUGO, lpfc_bg_apptag_err_show, NULL);
+static DEVICE_ATTR(bg_reftag_err, S_IRUGO, lpfc_bg_reftag_err_show, NULL);
+static DEVICE_ATTR(info, S_IRUGO, lpfc_info_show, NULL);
+static DEVICE_ATTR(serialnum, S_IRUGO, lpfc_serialnum_show, NULL);
+static DEVICE_ATTR(modeldesc, S_IRUGO, lpfc_modeldesc_show, NULL);
+static DEVICE_ATTR(modelname, S_IRUGO, lpfc_modelname_show, NULL);
+static DEVICE_ATTR(programtype, S_IRUGO, lpfc_programtype_show, NULL);
+static DEVICE_ATTR(portnum, S_IRUGO, lpfc_vportnum_show, NULL);
+static DEVICE_ATTR(fwrev, S_IRUGO, lpfc_fwrev_show, NULL);
+static DEVICE_ATTR(hdw, S_IRUGO, lpfc_hdw_show, NULL);
+static DEVICE_ATTR(link_state, S_IRUGO | S_IWUSR, lpfc_link_state_show,
+		lpfc_link_state_store);
+static DEVICE_ATTR(option_rom_version, S_IRUGO,
+		   lpfc_option_rom_version_show, NULL);
+static DEVICE_ATTR(num_discovered_ports, S_IRUGO,
+		   lpfc_num_discovered_ports_show, NULL);
+static DEVICE_ATTR(nport_evt_cnt, S_IRUGO, lpfc_nport_evt_cnt_show, NULL);
+static DEVICE_ATTR_RO(lpfc_drvr_version);
+static DEVICE_ATTR_RO(lpfc_enable_fip);
+static DEVICE_ATTR(board_mode, S_IRUGO | S_IWUSR,
+		   lpfc_board_mode_show, lpfc_board_mode_store);
+static DEVICE_ATTR_RO(lpfc_xcvr_data);
+static DEVICE_ATTR(issue_reset, S_IWUSR, NULL, lpfc_issue_reset);
+static DEVICE_ATTR(max_vpi, S_IRUGO, lpfc_max_vpi_show, NULL);
+static DEVICE_ATTR(used_vpi, S_IRUGO, lpfc_used_vpi_show, NULL);
+static DEVICE_ATTR(max_rpi, S_IRUGO, lpfc_max_rpi_show, NULL);
+static DEVICE_ATTR(used_rpi, S_IRUGO, lpfc_used_rpi_show, NULL);
+static DEVICE_ATTR(max_xri, S_IRUGO, lpfc_max_xri_show, NULL);
+static DEVICE_ATTR(used_xri, S_IRUGO, lpfc_used_xri_show, NULL);
+static DEVICE_ATTR(npiv_info, S_IRUGO, lpfc_npiv_info_show, NULL);
+static DEVICE_ATTR_RO(lpfc_temp_sensor);
+static DEVICE_ATTR_RO(lpfc_sriov_hw_max_virtfn);
+static DEVICE_ATTR(protocol, S_IRUGO, lpfc_sli4_protocol_show, NULL);
+static DEVICE_ATTR(lpfc_xlane_supported, S_IRUGO, lpfc_oas_supported_show,
+		   NULL);
+static DEVICE_ATTR(cmf_info, 0444, lpfc_cmf_info_show, NULL);
+
+#define WWN_SZ 8
+/**
+ * lpfc_wwn_set - Convert string to the 8 byte WWN value.
+ * @buf: WWN string.
+ * @cnt: Length of string.
+ * @wwn: Array to receive converted wwn value.
+ *
+ * Returns:
+ * -EINVAL if the buffer does not contain a valid wwn
+ * 0 success
+ **/
+static size_t
+lpfc_wwn_set(const char *buf, size_t cnt, char wwn[])
+{
+	unsigned int i, j;
+
+	/* Count may include a LF at end of string */
+	if (buf[cnt-1] == '\n')
+		cnt--;
+
+	if ((cnt < 16) || (cnt > 18) || ((cnt == 17) && (*buf++ != 'x')) ||
+	    ((cnt == 18) && ((*buf++ != '0') || (*buf++ != 'x'))))
+		return -EINVAL;
+
+	memset(wwn, 0, WWN_SZ);
+
+	/* 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) {
+			wwn[i/2] = j & 0xff;
+			j = 0;
+		}
+	}
+	return 0;
+}
+
+
+/**
+ * lpfc_oas_tgt_show - Return wwpn of target whose luns maybe enabled for
+ *		      Optimized Access Storage (OAS) operations.
+ * @dev: class device that is converted into a Scsi_host.
+ * @attr: device attribute, not used.
+ * @buf: buffer for passing information.
+ *
+ * Returns:
+ * value of count
+ **/
+static ssize_t
+lpfc_oas_tgt_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 scnprintf(buf, PAGE_SIZE, "0x%llx\n",
+			wwn_to_u64(phba->cfg_oas_tgt_wwpn));
+}
+
+/**
+ * lpfc_oas_tgt_store - Store wwpn of target whose luns maybe enabled for
+ *		      Optimized Access Storage (OAS) operations.
+ * @dev: class device that is converted into a Scsi_host.
+ * @attr: device attribute, not used.
+ * @buf: buffer for passing information.
+ * @count: Size of the data buffer.
+ *
+ * Returns:
+ * -EINVAL count is invalid, invalid wwpn byte invalid
+ * -EPERM oas is not supported by hba
+ * value of count on success
+ **/
+static ssize_t
+lpfc_oas_tgt_store(struct device *dev, struct device_attribute *attr,
+		   const char *buf, size_t count)
+{
+	struct Scsi_Host *shost = class_to_shost(dev);
+	struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
+	unsigned int cnt = count;
+	uint8_t wwpn[WWN_SZ];
+	int rc;
+
+	if (!phba->cfg_fof)
+		return -EPERM;
+
+	/* count may include a LF at end of string */
+	if (buf[cnt-1] == '\n')
+		cnt--;
+
+	rc = lpfc_wwn_set(buf, cnt, wwpn);
+	if (rc)
+		return rc;
+
+	memcpy(phba->cfg_oas_tgt_wwpn, wwpn, (8 * sizeof(uint8_t)));
+	memcpy(phba->sli4_hba.oas_next_tgt_wwpn, wwpn, (8 * sizeof(uint8_t)));
+	if (wwn_to_u64(wwpn) == 0)
+		phba->cfg_oas_flags |= OAS_FIND_ANY_TARGET;
+	else
+		phba->cfg_oas_flags &= ~OAS_FIND_ANY_TARGET;
+	phba->cfg_oas_flags &= ~OAS_LUN_VALID;
+	phba->sli4_hba.oas_next_lun = FIND_FIRST_OAS_LUN;
+	return count;
+}
+static DEVICE_ATTR(lpfc_xlane_tgt, S_IRUGO | S_IWUSR,
+		   lpfc_oas_tgt_show, lpfc_oas_tgt_store);
+
+/**
+ * lpfc_oas_priority_show - Return wwpn of target whose luns maybe enabled for
+ *		      Optimized Access Storage (OAS) operations.
+ * @dev: class device that is converted into a Scsi_host.
+ * @attr: device attribute, not used.
+ * @buf: buffer for passing information.
+ *
+ * Returns:
+ * value of count
+ **/
+static ssize_t
+lpfc_oas_priority_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 scnprintf(buf, PAGE_SIZE, "%d\n", phba->cfg_oas_priority);
+}
+
+/**
+ * lpfc_oas_priority_store - Store wwpn of target whose luns maybe enabled for
+ *		      Optimized Access Storage (OAS) operations.
+ * @dev: class device that is converted into a Scsi_host.
+ * @attr: device attribute, not used.
+ * @buf: buffer for passing information.
+ * @count: Size of the data buffer.
+ *
+ * Returns:
+ * -EINVAL count is invalid, invalid wwpn byte invalid
+ * -EPERM oas is not supported by hba
+ * value of count on success
+ **/
+static ssize_t
+lpfc_oas_priority_store(struct device *dev, struct device_attribute *attr,
+			const char *buf, size_t count)
+{
+	struct Scsi_Host *shost = class_to_shost(dev);
+	struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
+	unsigned int cnt = count;
+	unsigned long val;
+	int ret;
+
+	if (!phba->cfg_fof)
+		return -EPERM;
+
+	/* count may include a LF at end of string */
+	if (buf[cnt-1] == '\n')
+		cnt--;
+
+	ret = kstrtoul(buf, 0, &val);
+	if (ret || (val > 0x7f))
+		return -EINVAL;
+
+	if (val)
+		phba->cfg_oas_priority = (uint8_t)val;
+	else
+		phba->cfg_oas_priority = phba->cfg_XLanePriority;
+	return count;
+}
+static DEVICE_ATTR(lpfc_xlane_priority, S_IRUGO | S_IWUSR,
+		   lpfc_oas_priority_show, lpfc_oas_priority_store);
+
+/**
+ * lpfc_oas_vpt_show - Return wwpn of vport whose targets maybe enabled
+ *		      for Optimized Access Storage (OAS) operations.
+ * @dev: class device that is converted into a Scsi_host.
+ * @attr: device attribute, not used.
+ * @buf: buffer for passing information.
+ *
+ * Returns:
+ * value of count on success
+ **/
+static ssize_t
+lpfc_oas_vpt_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 scnprintf(buf, PAGE_SIZE, "0x%llx\n",
+			wwn_to_u64(phba->cfg_oas_vpt_wwpn));
+}
+
+/**
+ * lpfc_oas_vpt_store - Store wwpn of vport whose targets maybe enabled
+ *		      for Optimized Access Storage (OAS) operations.
+ * @dev: class device that is converted into a Scsi_host.
+ * @attr: device attribute, not used.
+ * @buf: buffer for passing information.
+ * @count: Size of the data buffer.
+ *
+ * Returns:
+ * -EINVAL count is invalid, invalid wwpn byte invalid
+ * -EPERM oas is not supported by hba
+ * value of count on success
+ **/
+static ssize_t
+lpfc_oas_vpt_store(struct device *dev, struct device_attribute *attr,
+		   const char *buf, size_t count)
+{
+	struct Scsi_Host *shost = class_to_shost(dev);
+	struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
+	unsigned int cnt = count;
+	uint8_t wwpn[WWN_SZ];
+	int rc;
+
+	if (!phba->cfg_fof)
+		return -EPERM;
+
+	/* count may include a LF at end of string */
+	if (buf[cnt-1] == '\n')
+		cnt--;
+
+	rc = lpfc_wwn_set(buf, cnt, wwpn);
+	if (rc)
+		return rc;
+
+	memcpy(phba->cfg_oas_vpt_wwpn, wwpn, (8 * sizeof(uint8_t)));
+	memcpy(phba->sli4_hba.oas_next_vpt_wwpn, wwpn, (8 * sizeof(uint8_t)));
+	if (wwn_to_u64(wwpn) == 0)
+		phba->cfg_oas_flags |= OAS_FIND_ANY_VPORT;
+	else
+		phba->cfg_oas_flags &= ~OAS_FIND_ANY_VPORT;
+	phba->cfg_oas_flags &= ~OAS_LUN_VALID;
+	if (phba->cfg_oas_priority == 0)
+		phba->cfg_oas_priority = phba->cfg_XLanePriority;
+	phba->sli4_hba.oas_next_lun = FIND_FIRST_OAS_LUN;
+	return count;
+}
+static DEVICE_ATTR(lpfc_xlane_vpt, S_IRUGO | S_IWUSR,
+		   lpfc_oas_vpt_show, lpfc_oas_vpt_store);
+
+/**
+ * lpfc_oas_lun_state_show - Return the current state (enabled or disabled)
+ *			    of whether luns will be enabled or disabled
+ *			    for Optimized Access Storage (OAS) operations.
+ * @dev: class device that is converted into a Scsi_host.
+ * @attr: device attribute, not used.
+ * @buf: buffer for passing information.
+ *
+ * Returns:
+ * size of formatted string.
+ **/
+static ssize_t
+lpfc_oas_lun_state_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 scnprintf(buf, PAGE_SIZE, "%d\n", phba->cfg_oas_lun_state);
+}
+
+/**
+ * lpfc_oas_lun_state_store - Store the state (enabled or disabled)
+ *			    of whether luns will be enabled or disabled
+ *			    for Optimized Access Storage (OAS) operations.
+ * @dev: class device that is converted into a Scsi_host.
+ * @attr: device attribute, not used.
+ * @buf: buffer for passing information.
+ * @count: Size of the data buffer.
+ *
+ * Returns:
+ * -EINVAL count is invalid, invalid wwpn byte invalid
+ * -EPERM oas is not supported by hba
+ * value of count on success
+ **/
+static ssize_t
+lpfc_oas_lun_state_store(struct device *dev, struct device_attribute *attr,
+			 const char *buf, size_t count)
+{
+	struct Scsi_Host *shost = class_to_shost(dev);
+	struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
+	int val = 0;
+
+	if (!phba->cfg_fof)
+		return -EPERM;
+
+	if (!isdigit(buf[0]))
+		return -EINVAL;
+
+	if (sscanf(buf, "%i", &val) != 1)
+		return -EINVAL;
+
+	if ((val != 0) && (val != 1))
+		return -EINVAL;
+
+	phba->cfg_oas_lun_state = val;
+	return strlen(buf);
+}
+static DEVICE_ATTR(lpfc_xlane_lun_state, S_IRUGO | S_IWUSR,
+		   lpfc_oas_lun_state_show, lpfc_oas_lun_state_store);
+
+/**
+ * lpfc_oas_lun_status_show - Return the status of the Optimized Access
+ *                          Storage (OAS) lun returned by the
+ *                          lpfc_oas_lun_show function.
+ * @dev: class device that is converted into a Scsi_host.
+ * @attr: device attribute, not used.
+ * @buf: buffer for passing information.
+ *
+ * Returns:
+ * size of formatted string.
+ **/
+static ssize_t
+lpfc_oas_lun_status_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;
+
+	if (!(phba->cfg_oas_flags & OAS_LUN_VALID))
+		return -EFAULT;
+
+	return scnprintf(buf, PAGE_SIZE, "%d\n", phba->cfg_oas_lun_status);
+}
+static DEVICE_ATTR(lpfc_xlane_lun_status, S_IRUGO,
+		   lpfc_oas_lun_status_show, NULL);
+
+
+/**
+ * lpfc_oas_lun_state_set - enable or disable a lun for Optimized Access Storage
+ *			   (OAS) operations.
+ * @phba: lpfc_hba pointer.
+ * @vpt_wwpn: wwpn of the vport associated with the returned lun
+ * @tgt_wwpn: wwpn of the target associated with the returned lun
+ * @lun: the fc lun for setting oas state.
+ * @oas_state: the oas state to be set to the lun.
+ * @pri: priority
+ *
+ * Returns:
+ * SUCCESS : 0
+ * -EPERM OAS is not enabled or not supported by this port.
+ *
+ */
+static size_t
+lpfc_oas_lun_state_set(struct lpfc_hba *phba, uint8_t vpt_wwpn[],
+		       uint8_t tgt_wwpn[], uint64_t lun,
+		       uint32_t oas_state, uint8_t pri)
+{
+
+	int rc = 0;
+
+	if (!phba->cfg_fof)
+		return -EPERM;
+
+	if (oas_state) {
+		if (!lpfc_enable_oas_lun(phba, (struct lpfc_name *)vpt_wwpn,
+					 (struct lpfc_name *)tgt_wwpn,
+					 lun, pri))
+			rc = -ENOMEM;
+	} else {
+		lpfc_disable_oas_lun(phba, (struct lpfc_name *)vpt_wwpn,
+				     (struct lpfc_name *)tgt_wwpn, lun, pri);
+	}
+	return rc;
+
+}
+
+/**
+ * lpfc_oas_lun_get_next - get the next lun that has been enabled for Optimized
+ *			  Access Storage (OAS) operations.
+ * @phba: lpfc_hba pointer.
+ * @vpt_wwpn: wwpn of the vport associated with the returned lun
+ * @tgt_wwpn: wwpn of the target associated with the returned lun
+ * @lun_status: status of the lun returned lun
+ * @lun_pri: priority of the lun returned lun
+ *
+ * Returns the first or next lun enabled for OAS operations for the vport/target
+ * specified.  If a lun is found, its vport wwpn, target wwpn and status is
+ * returned.  If the lun is not found, NOT_OAS_ENABLED_LUN is returned.
+ *
+ * Return:
+ * lun that is OAS enabled for the vport/target
+ * NOT_OAS_ENABLED_LUN when no oas enabled lun found.
+ */
+static uint64_t
+lpfc_oas_lun_get_next(struct lpfc_hba *phba, uint8_t vpt_wwpn[],
+		      uint8_t tgt_wwpn[], uint32_t *lun_status,
+		      uint32_t *lun_pri)
+{
+	uint64_t found_lun;
+
+	if (unlikely(!phba) || !vpt_wwpn || !tgt_wwpn)
+		return NOT_OAS_ENABLED_LUN;
+	if (lpfc_find_next_oas_lun(phba, (struct lpfc_name *)
+				   phba->sli4_hba.oas_next_vpt_wwpn,
+				   (struct lpfc_name *)
+				   phba->sli4_hba.oas_next_tgt_wwpn,
+				   &phba->sli4_hba.oas_next_lun,
+				   (struct lpfc_name *)vpt_wwpn,
+				   (struct lpfc_name *)tgt_wwpn,
+				   &found_lun, lun_status, lun_pri))
+		return found_lun;
+	else
+		return NOT_OAS_ENABLED_LUN;
+}
+
+/**
+ * lpfc_oas_lun_state_change - enable/disable a lun for OAS operations
+ * @phba: lpfc_hba pointer.
+ * @vpt_wwpn: vport wwpn by reference.
+ * @tgt_wwpn: target wwpn by reference.
+ * @lun: the fc lun for setting oas state.
+ * @oas_state: the oas state to be set to the oas_lun.
+ * @pri: priority
+ *
+ * This routine enables (OAS_LUN_ENABLE) or disables (OAS_LUN_DISABLE)
+ * a lun for OAS operations.
+ *
+ * Return:
+ * SUCCESS: 0
+ * -ENOMEM: failed to enable an lun for OAS operations
+ * -EPERM: OAS is not enabled
+ */
+static ssize_t
+lpfc_oas_lun_state_change(struct lpfc_hba *phba, uint8_t vpt_wwpn[],
+			  uint8_t tgt_wwpn[], uint64_t lun,
+			  uint32_t oas_state, uint8_t pri)
+{
+
+	int rc;
+
+	rc = lpfc_oas_lun_state_set(phba, vpt_wwpn, tgt_wwpn, lun,
+				    oas_state, pri);
+	return rc;
+}
+
+/**
+ * lpfc_oas_lun_show - Return oas enabled luns from a chosen target
+ * @dev: class device that is converted into a Scsi_host.
+ * @attr: device attribute, not used.
+ * @buf: buffer for passing information.
+ *
+ * This routine returns a lun enabled for OAS each time the function
+ * is called.
+ *
+ * Returns:
+ * SUCCESS: size of formatted string.
+ * -EFAULT: target or vport wwpn was not set properly.
+ * -EPERM: oas is not enabled.
+ **/
+static ssize_t
+lpfc_oas_lun_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;
+
+	uint64_t oas_lun;
+	int len = 0;
+
+	if (!phba->cfg_fof)
+		return -EPERM;
+
+	if (wwn_to_u64(phba->cfg_oas_vpt_wwpn) == 0)
+		if (!(phba->cfg_oas_flags & OAS_FIND_ANY_VPORT))
+			return -EFAULT;
+
+	if (wwn_to_u64(phba->cfg_oas_tgt_wwpn) == 0)
+		if (!(phba->cfg_oas_flags & OAS_FIND_ANY_TARGET))
+			return -EFAULT;
+
+	oas_lun = lpfc_oas_lun_get_next(phba, phba->cfg_oas_vpt_wwpn,
+					phba->cfg_oas_tgt_wwpn,
+					&phba->cfg_oas_lun_status,
+					&phba->cfg_oas_priority);
+	if (oas_lun != NOT_OAS_ENABLED_LUN)
+		phba->cfg_oas_flags |= OAS_LUN_VALID;
+
+	len += scnprintf(buf + len, PAGE_SIZE-len, "0x%llx", oas_lun);
+
+	return len;
+}
+
+/**
+ * lpfc_oas_lun_store - Sets the OAS state for lun
+ * @dev: class device that is converted into a Scsi_host.
+ * @attr: device attribute, not used.
+ * @buf: buffer for passing information.
+ * @count: size of the formatting string
+ *
+ * This function sets the OAS state for lun.  Before this function is called,
+ * the vport wwpn, target wwpn, and oas state need to be set.
+ *
+ * Returns:
+ * SUCCESS: size of formatted string.
+ * -EFAULT: target or vport wwpn was not set properly.
+ * -EPERM: oas is not enabled.
+ * size of formatted string.
+ **/
+static ssize_t
+lpfc_oas_lun_store(struct device *dev, struct device_attribute *attr,
+		   const char *buf, size_t count)
+{
+	struct Scsi_Host *shost = class_to_shost(dev);
+	struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
+	uint64_t scsi_lun;
+	uint32_t pri;
+	ssize_t rc;
+
+	if (!phba->cfg_fof)
+		return -EPERM;
+
+	if (wwn_to_u64(phba->cfg_oas_vpt_wwpn) == 0)
+		return -EFAULT;
+
+	if (wwn_to_u64(phba->cfg_oas_tgt_wwpn) == 0)
+		return -EFAULT;
+
+	if (!isdigit(buf[0]))
+		return -EINVAL;
+
+	if (sscanf(buf, "0x%llx", &scsi_lun) != 1)
+		return -EINVAL;
+
+	pri = phba->cfg_oas_priority;
+	if (pri == 0)
+		pri = phba->cfg_XLanePriority;
+
+	lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
+			"3372 Try to set vport 0x%llx target 0x%llx lun:0x%llx "
+			"priority 0x%x with oas state %d\n",
+			wwn_to_u64(phba->cfg_oas_vpt_wwpn),
+			wwn_to_u64(phba->cfg_oas_tgt_wwpn), scsi_lun,
+			pri, phba->cfg_oas_lun_state);
+
+	rc = lpfc_oas_lun_state_change(phba, phba->cfg_oas_vpt_wwpn,
+				       phba->cfg_oas_tgt_wwpn, scsi_lun,
+				       phba->cfg_oas_lun_state, pri);
+	if (rc)
+		return rc;
+
+	return count;
+}
+static DEVICE_ATTR(lpfc_xlane_lun, S_IRUGO | S_IWUSR,
+		   lpfc_oas_lun_show, lpfc_oas_lun_store);
+
+int lpfc_enable_nvmet_cnt;
+unsigned long long lpfc_enable_nvmet[LPFC_NVMET_MAX_PORTS] = {
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
+module_param_array(lpfc_enable_nvmet, ullong, &lpfc_enable_nvmet_cnt, 0444);
+MODULE_PARM_DESC(lpfc_enable_nvmet, "Enable HBA port(s) WWPN as a NVME Target");
+
+static int lpfc_poll = 0;
+module_param(lpfc_poll, int, S_IRUGO);
+MODULE_PARM_DESC(lpfc_poll, "FCP ring polling mode control:"
+		 " 0 - none,"
+		 " 1 - poll with interrupts enabled"
+		 " 3 - poll and disable FCP ring interrupts");
+
+static DEVICE_ATTR_RW(lpfc_poll);
+
+int lpfc_no_hba_reset_cnt;
+unsigned long lpfc_no_hba_reset[MAX_HBAS_NO_RESET] = {
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
+module_param_array(lpfc_no_hba_reset, ulong, &lpfc_no_hba_reset_cnt, 0444);
+MODULE_PARM_DESC(lpfc_no_hba_reset, "WWPN of HBAs that should not be reset");
+
+LPFC_ATTR(sli_mode, 3, 3, 3,
+	"SLI mode selector: 3 - select SLI-3");
+
+LPFC_ATTR_R(enable_npiv, 1, 0, 1,
+	"Enable NPIV functionality");
+
+LPFC_ATTR_R(fcf_failover_policy, 1, 1, 2,
+	"FCF Fast failover=1 Priority failover=2");
+
+/*
+ * lpfc_fcp_wait_abts_rsp: Modifies criteria for reporting completion of
+ * aborted IO.
+ * The range is [0,1]. Default value is 0
+ *      0, IO completes after ABTS issued (default).
+ *      1, IO completes after receipt of ABTS response or timeout.
+ */
+LPFC_ATTR_R(fcp_wait_abts_rsp, 0, 0, 1, "Wait for FCP ABTS completion");
+
+/*
+# lpfc_enable_rrq: Track XRI/OXID reuse after IO failures
+#	0x0 = disabled, XRI/OXID use not tracked.
+#	0x1 = XRI/OXID reuse is timed with ratov, RRQ sent.
+#	0x2 = XRI/OXID reuse is timed with ratov, No RRQ sent.
+*/
+LPFC_ATTR_R(enable_rrq, 2, 0, 2,
+	"Enable RRQ functionality");
+
+/*
+# lpfc_suppress_link_up:  Bring link up at initialization
+#            0x0  = bring link up (issue MBX_INIT_LINK)
+#            0x1  = do NOT bring link up at initialization(MBX_INIT_LINK)
+#            0x2  = never bring up link
+# Default value is 0.
+*/
+LPFC_ATTR_R(suppress_link_up, LPFC_INITIALIZE_LINK, LPFC_INITIALIZE_LINK,
+		LPFC_DELAY_INIT_LINK_INDEFINITELY,
+		"Suppress Link Up at initialization");
+
+static ssize_t
+lpfc_pls_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 scnprintf(buf, PAGE_SIZE, "%d\n",
+			 phba->sli4_hba.pc_sli4_params.pls);
+}
+static DEVICE_ATTR(pls, 0444,
+			 lpfc_pls_show, NULL);
+
+static ssize_t
+lpfc_pt_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 scnprintf(buf, PAGE_SIZE, "%d\n",
+			 (phba->hba_flag & HBA_PERSISTENT_TOPO) ? 1 : 0);
+}
+static DEVICE_ATTR(pt, 0444,
+			 lpfc_pt_show, NULL);
+
+/*
+# 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 scnprintf(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;
+	struct lpfc_sli_ring *pring = lpfc_phba_elsring(phba);
+
+	return scnprintf(buf, PAGE_SIZE, "%d\n",
+			pring ? pring->txq_max : 0);
+}
+
+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;
+	struct lpfc_sli_ring *pring = lpfc_phba_elsring(phba);
+
+	return scnprintf(buf, PAGE_SIZE, "%d\n",
+			pring ? pring->txcmplq_max : 0);
+}
+
+static DEVICE_ATTR(txcmplq_hw, S_IRUGO,
+			 lpfc_txcmplq_hw_show, NULL);
+
+/*
+# 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");
+
+/**
+ * lpfc_nodev_tmo_show - Return the hba dev loss timeout value
+ * @dev: class converted to a Scsi_host structure.
+ * @attr: device attribute, not used.
+ * @buf: on return contains the dev loss timeout in decimal.
+ *
+ * Returns: size of formatted string.
+ **/
+static ssize_t
+lpfc_nodev_tmo_show(struct device *dev, struct device_attribute *attr,
+		    char *buf)
+{
+	struct Scsi_Host  *shost = class_to_shost(dev);
+	struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
+
+	return scnprintf(buf, PAGE_SIZE, "%d\n",	vport->cfg_devloss_tmo);
+}
+
+/**
+ * lpfc_nodev_tmo_init - Set the hba nodev timeout value
+ * @vport: lpfc vport structure pointer.
+ * @val: contains the nodev timeout value.
+ *
+ * Description:
+ * If the devloss tmo is already set then nodev tmo is set to devloss tmo,
+ * a kernel error message is printed and zero is returned.
+ * Else if val is in range then nodev tmo and devloss tmo are set to val.
+ * Otherwise nodev tmo is set to the default value.
+ *
+ * Returns:
+ * zero if already set or if val is in range
+ * -EINVAL val out of range
+ **/
+static int
+lpfc_nodev_tmo_init(struct lpfc_vport *vport, int val)
+{
+	if (vport->cfg_devloss_tmo != LPFC_DEF_DEVLOSS_TMO) {
+		vport->cfg_nodev_tmo = vport->cfg_devloss_tmo;
+		if (val != LPFC_DEF_DEVLOSS_TMO)
+			lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
+					 "0407 Ignoring lpfc_nodev_tmo module "
+					 "parameter because lpfc_devloss_tmo "
+					 "is set.\n");
+		return 0;
+	}
+
+	if (val >= LPFC_MIN_DEVLOSS_TMO && val <= LPFC_MAX_DEVLOSS_TMO) {
+		vport->cfg_nodev_tmo = val;
+		vport->cfg_devloss_tmo = val;
+		return 0;
+	}
+	lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
+			 "0400 lpfc_nodev_tmo attribute cannot be set to"
+			 " %d, allowed range is [%d, %d]\n",
+			 val, LPFC_MIN_DEVLOSS_TMO, LPFC_MAX_DEVLOSS_TMO);
+	vport->cfg_nodev_tmo = LPFC_DEF_DEVLOSS_TMO;
+	return -EINVAL;
+}
+
+/**
+ * lpfc_update_rport_devloss_tmo - Update dev loss tmo value
+ * @vport: lpfc vport structure pointer.
+ *
+ * Description:
+ * Update all the ndlp's dev loss tmo with the vport devloss tmo value.
+ **/
+static void
+lpfc_update_rport_devloss_tmo(struct lpfc_vport *vport)
+{
+	struct Scsi_Host  *shost;
+	struct lpfc_nodelist  *ndlp;
+#if (IS_ENABLED(CONFIG_NVME_FC))
+	struct lpfc_nvme_rport *rport;
+	struct nvme_fc_remote_port *remoteport = NULL;
+#endif
+
+	shost = lpfc_shost_from_vport(vport);
+	spin_lock_irq(shost->host_lock);
+	list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) {
+		if (ndlp->rport)
+			ndlp->rport->dev_loss_tmo = vport->cfg_devloss_tmo;
+#if (IS_ENABLED(CONFIG_NVME_FC))
+		spin_lock(&ndlp->lock);
+		rport = lpfc_ndlp_get_nrport(ndlp);
+		if (rport)
+			remoteport = rport->remoteport;
+		spin_unlock(&ndlp->lock);
+		if (rport && remoteport)
+			nvme_fc_set_remoteport_devloss(remoteport,
+						       vport->cfg_devloss_tmo);
+#endif
+	}
+	spin_unlock_irq(shost->host_lock);
+}
+
+/**
+ * lpfc_nodev_tmo_set - Set the vport nodev tmo and devloss tmo values
+ * @vport: lpfc vport structure pointer.
+ * @val: contains the tmo value.
+ *
+ * Description:
+ * If the devloss tmo is already set or the vport dev loss tmo has changed
+ * then a kernel error message is printed and zero is returned.
+ * Else if val is in range then nodev tmo and devloss tmo are set to val.
+ * Otherwise nodev tmo is set to the default value.
+ *
+ * Returns:
+ * zero if already set or if val is in range
+ * -EINVAL val out of range
+ **/
+static int
+lpfc_nodev_tmo_set(struct lpfc_vport *vport, int val)
+{
+	if (vport->dev_loss_tmo_changed ||
+	    (lpfc_devloss_tmo != LPFC_DEF_DEVLOSS_TMO)) {
+		lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
+				 "0401 Ignoring change to lpfc_nodev_tmo "
+				 "because lpfc_devloss_tmo is set.\n");
+		return 0;
+	}
+	if (val >= LPFC_MIN_DEVLOSS_TMO && val <= LPFC_MAX_DEVLOSS_TMO) {
+		vport->cfg_nodev_tmo = val;
+		vport->cfg_devloss_tmo = val;
+		/*
+		 * For compat: set the fc_host dev loss so new rports
+		 * will get the value.
+		 */
+		fc_host_dev_loss_tmo(lpfc_shost_from_vport(vport)) = val;
+		lpfc_update_rport_devloss_tmo(vport);
+		return 0;
+	}
+	lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
+			 "0403 lpfc_nodev_tmo attribute cannot be set to "
+			 "%d, allowed range is [%d, %d]\n",
+			 val, LPFC_MIN_DEVLOSS_TMO, LPFC_MAX_DEVLOSS_TMO);
+	return -EINVAL;
+}
+
+lpfc_vport_param_store(nodev_tmo)
+
+static DEVICE_ATTR_RW(lpfc_nodev_tmo);
+
+/*
+# 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, S_IRUGO);
+MODULE_PARM_DESC(lpfc_devloss_tmo,
+		 "Seconds driver will hold I/O waiting "
+		 "for a device to come back");
+lpfc_vport_param_init(devloss_tmo, LPFC_DEF_DEVLOSS_TMO,
+		      LPFC_MIN_DEVLOSS_TMO, LPFC_MAX_DEVLOSS_TMO)
+lpfc_vport_param_show(devloss_tmo)
+
+/**
+ * lpfc_devloss_tmo_set - Sets vport nodev tmo, devloss tmo values, changed bit
+ * @vport: lpfc vport structure pointer.
+ * @val: contains the tmo value.
+ *
+ * Description:
+ * If val is in a valid range then set the vport nodev tmo,
+ * devloss tmo, also set the vport dev loss tmo changed flag.
+ * Else a kernel error message is printed.
+ *
+ * Returns:
+ * zero if val is in range
+ * -EINVAL val out of range
+ **/
+static int
+lpfc_devloss_tmo_set(struct lpfc_vport *vport, int val)
+{
+	if (val >= LPFC_MIN_DEVLOSS_TMO && val <= LPFC_MAX_DEVLOSS_TMO) {
+		vport->cfg_nodev_tmo = val;
+		vport->cfg_devloss_tmo = val;
+		vport->dev_loss_tmo_changed = 1;
+		fc_host_dev_loss_tmo(lpfc_shost_from_vport(vport)) = val;
+		lpfc_update_rport_devloss_tmo(vport);
+		return 0;
+	}
+
+	lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
+			 "0404 lpfc_devloss_tmo attribute cannot be set to "
+			 "%d, allowed range is [%d, %d]\n",
+			 val, LPFC_MIN_DEVLOSS_TMO, LPFC_MAX_DEVLOSS_TMO);
+	return -EINVAL;
+}
+
+lpfc_vport_param_store(devloss_tmo)
+static DEVICE_ATTR_RW(lpfc_devloss_tmo);
+
+/*
+ * lpfc_suppress_rsp: Enable suppress rsp feature is firmware supports it
+ * lpfc_suppress_rsp = 0  Disable
+ * lpfc_suppress_rsp = 1  Enable (default)
+ *
+ */
+LPFC_ATTR_R(suppress_rsp, 1, 0, 1,
+	    "Enable suppress rsp feature is firmware supports it");
+
+/*
+ * lpfc_nvmet_mrq: Specify number of RQ pairs for processing NVMET cmds
+ * lpfc_nvmet_mrq = 0  driver will calcualte optimal number of RQ pairs
+ * lpfc_nvmet_mrq = 1  use a single RQ pair
+ * lpfc_nvmet_mrq >= 2  use specified RQ pairs for MRQ
+ *
+ */
+LPFC_ATTR_R(nvmet_mrq,
+	    LPFC_NVMET_MRQ_AUTO, LPFC_NVMET_MRQ_AUTO, LPFC_NVMET_MRQ_MAX,
+	    "Specify number of RQ pairs for processing NVMET cmds");
+
+/*
+ * lpfc_nvmet_mrq_post: Specify number of RQ buffer to initially post
+ * to each NVMET RQ. Range 64 to 2048, default is 512.
+ */
+LPFC_ATTR_R(nvmet_mrq_post,
+	    LPFC_NVMET_RQE_DEF_POST, LPFC_NVMET_RQE_MIN_POST,
+	    LPFC_NVMET_RQE_DEF_COUNT,
+	    "Specify number of RQ buffers to initially post");
+
+/*
+ * lpfc_enable_fc4_type: Defines what FC4 types are supported.
+ * Supported Values:  1 - register just FCP
+ *                    3 - register both FCP and NVME
+ * Supported values are [1,3]. Default value is 3
+ */
+LPFC_ATTR_R(enable_fc4_type, LPFC_DEF_ENBL_FC4_TYPE,
+	    LPFC_ENABLE_FCP, LPFC_MAX_ENBL_FC4_TYPE,
+	    "Enable FC4 Protocol support - FCP / NVME");
+
+/*
+# 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:
+# See lpfc_logmsh.h for definitions.
+*/
+LPFC_VPORT_ATTR_HEX_RW(log_verbose, 0x0, 0x0, 0xffffffff,
+		       "Verbose logging bit-mask");
+
+/*
+# lpfc_enable_da_id: This turns on the DA_ID CT command that deregisters
+# objects that have been registered with the nameserver after login.
+*/
+LPFC_VPORT_ATTR_R(enable_da_id, 1, 0, 1,
+		  "Deregister nameserver objects before LOGO");
+
+/*
+# lun_queue_depth:  This parameter is used to limit the number of outstanding
+# commands per FCP LUN.
+*/
+LPFC_VPORT_ATTR_R(lun_queue_depth, 64, 1, 512,
+		  "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.
+*/
+static uint lpfc_tgt_queue_depth = LPFC_MAX_TGT_QDEPTH;
+module_param(lpfc_tgt_queue_depth, uint, 0444);
+MODULE_PARM_DESC(lpfc_tgt_queue_depth, "Set max Target queue depth");
+lpfc_vport_param_show(tgt_queue_depth);
+lpfc_vport_param_init(tgt_queue_depth, LPFC_MAX_TGT_QDEPTH,
+		      LPFC_MIN_TGT_QDEPTH, LPFC_MAX_TGT_QDEPTH);
+
+/**
+ * lpfc_tgt_queue_depth_set: Sets an attribute value.
+ * @vport: lpfc vport structure pointer.
+ * @val: integer attribute value.
+ *
+ * Description: Sets the parameter to the new value.
+ *
+ * Returns:
+ * zero on success
+ * -EINVAL if val is invalid
+ */
+static int
+lpfc_tgt_queue_depth_set(struct lpfc_vport *vport, uint val)
+{
+	struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
+	struct lpfc_nodelist *ndlp;
+
+	if (!lpfc_rangecheck(val, LPFC_MIN_TGT_QDEPTH, LPFC_MAX_TGT_QDEPTH))
+		return -EINVAL;
+
+	if (val == vport->cfg_tgt_queue_depth)
+		return 0;
+
+	spin_lock_irq(shost->host_lock);
+	vport->cfg_tgt_queue_depth = val;
+
+	/* Next loop thru nodelist and change cmd_qdepth */
+	list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp)
+		ndlp->cmd_qdepth = vport->cfg_tgt_queue_depth;
+
+	spin_unlock_irq(shost->host_lock);
+	return 0;
+}
+
+lpfc_vport_param_store(tgt_queue_depth);
+static DEVICE_ATTR_RW(lpfc_tgt_queue_depth);
+
+/*
+# 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,
+# then maximum number of exchanges supported by the HBA is used to determine
+# the hba_queue_depth.
+*/
+LPFC_ATTR_R(hba_queue_depth, 8192, 32, 8192,
+	    "Max number of FCP commands we can queue to a lpfc HBA");
+
+/*
+# peer_port_login:  This parameter allows/prevents logins
+# between peer ports hosted on the same physical port.
+# When this parameter is set 0 peer ports of same physical port
+# are not allowed to login to each other.
+# When this parameter is set 1 peer ports of same physical port
+# are allowed to login to each other.
+# Default value of this parameter is 0.
+*/
+LPFC_VPORT_ATTR_R(peer_port_login, 0, 0, 1,
+		  "Allow peer ports on the same physical port to login to each "
+		  "other.");
+
+/*
+# restrict_login:  This parameter allows/prevents logins
+# between Virtual Ports and remote initiators.
+# When this parameter is not set (0) Virtual Ports will accept PLOGIs from
+# other initiators and will attempt to PLOGI all remote ports.
+# When this parameter is set (1) Virtual Ports will reject PLOGIs from
+# remote ports and will not attempt to PLOGI to other initiators.
+# This parameter does not restrict to the physical port.
+# This parameter does not restrict logins to Fabric resident remote ports.
+# Default value of this parameter is 1.
+*/
+static int lpfc_restrict_login = 1;
+module_param(lpfc_restrict_login, int, S_IRUGO);
+MODULE_PARM_DESC(lpfc_restrict_login,
+		 "Restrict virtual ports login to remote initiators.");
+lpfc_vport_param_show(restrict_login);
+
+/**
+ * lpfc_restrict_login_init - Set the vport restrict login flag
+ * @vport: lpfc vport structure pointer.
+ * @val: contains the restrict login value.
+ *
+ * Description:
+ * If val is not in a valid range then log a kernel error message and set
+ * the vport restrict login to one.
+ * If the port type is physical clear the restrict login flag and return.
+ * Else set the restrict login flag to val.
+ *
+ * Returns:
+ * zero if val is in range
+ * -EINVAL val out of range
+ **/
+static int
+lpfc_restrict_login_init(struct lpfc_vport *vport, int val)
+{
+	if (val < 0 || val > 1) {
+		lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
+				 "0422 lpfc_restrict_login attribute cannot "
+				 "be set to %d, allowed range is [0, 1]\n",
+				 val);
+		vport->cfg_restrict_login = 1;
+		return -EINVAL;
+	}
+	if (vport->port_type == LPFC_PHYSICAL_PORT) {
+		vport->cfg_restrict_login = 0;
+		return 0;
+	}
+	vport->cfg_restrict_login = val;
+	return 0;
+}
+
+/**
+ * lpfc_restrict_login_set - Set the vport restrict login flag
+ * @vport: lpfc vport structure pointer.
+ * @val: contains the restrict login value.
+ *
+ * Description:
+ * If val is not in a valid range then log a kernel error message and set
+ * the vport restrict login to one.
+ * If the port type is physical and the val is not zero log a kernel
+ * error message, clear the restrict login flag and return zero.
+ * Else set the restrict login flag to val.
+ *
+ * Returns:
+ * zero if val is in range
+ * -EINVAL val out of range
+ **/
+static int
+lpfc_restrict_login_set(struct lpfc_vport *vport, int val)
+{
+	if (val < 0 || val > 1) {
+		lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
+				 "0425 lpfc_restrict_login attribute cannot "
+				 "be set to %d, allowed range is [0, 1]\n",
+				 val);
+		vport->cfg_restrict_login = 1;
+		return -EINVAL;
+	}
+	if (vport->port_type == LPFC_PHYSICAL_PORT && val != 0) {
+		lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
+				 "0468 lpfc_restrict_login must be 0 for "
+				 "Physical ports.\n");
+		vport->cfg_restrict_login = 0;
+		return 0;
+	}
+	vport->cfg_restrict_login = val;
+	return 0;
+}
+lpfc_vport_param_store(restrict_login);
+static DEVICE_ATTR_RW(lpfc_restrict_login);
+
+/*
+# Some disk devices have a "select ID" or "select Target" capability.
+# From a protocol standpoint "select ID" usually means select the
+# Fibre channel "ALPA".  In the FC-AL Profile there is an "informative
+# annex" which contains a table that maps a "select ID" (a number
+# between 0 and 7F) to an ALPA.  By default, for compatibility with
+# older drivers, the lpfc driver scans this table from low ALPA to high
+# ALPA.
+#
+# Turning on the scan-down variable (on  = 1, off = 0) will
+# cause the lpfc driver to use an inverted table, effectively
+# scanning ALPAs from high to low. Value range is [0,1]. Default value is 1.
+#
+# (Note: This "select ID" functionality is a LOOP ONLY characteristic
+# and will not work across a fabric. Also this parameter will take
+# effect only in the case when ALPA map is not available.)
+*/
+LPFC_VPORT_ATTR_R(scan_down, 1, 0, 1,
+		  "Start scanning for devices from highest ALPA to lowest");
+
+/*
+# lpfc_topology:  link topology for init link
+#            0x0  = attempt loop mode then point-to-point
+#            0x01 = internal loopback mode
+#            0x02 = attempt point-to-point mode only
+#            0x04 = attempt loop mode only
+#            0x06 = attempt point-to-point mode then loop
+# Set point-to-point mode if you want to run as an N_Port.
+# Set loop mode if you want to run as an NL_Port. Value range is [0,0x6].
+# Default value is 0.
+*/
+LPFC_ATTR(topology, 0, 0, 6,
+	"Select Fibre Channel topology");
+
+/**
+ * lpfc_topology_store - Set the adapters topology field
+ * @dev: class device that is converted into a scsi_host.
+ * @attr:device attribute, not used.
+ * @buf: buffer for passing information.
+ * @count: size of the data buffer.
+ *
+ * Description:
+ * If val is in a valid range then set the adapter's topology field and
+ * issue a lip; if the lip fails reset the topology to the old value.
+ *
+ * If the value is not in range log a kernel error message and return an error.
+ *
+ * Returns:
+ * zero if val is in range and lip okay
+ * non-zero return value from lpfc_issue_lip()
+ * -EINVAL val out of range
+ **/
+static ssize_t
+lpfc_topology_store(struct device *dev, struct device_attribute *attr,
+			const char *buf, size_t count)
+{
+	struct Scsi_Host  *shost = class_to_shost(dev);
+	struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
+	struct lpfc_hba   *phba = vport->phba;
+	int val = 0;
+	int nolip = 0;
+	const char *val_buf = buf;
+	int err;
+	uint32_t prev_val;
+	u8 sli_family, if_type;
+
+	if (!strncmp(buf, "nolip ", strlen("nolip "))) {
+		nolip = 1;
+		val_buf = &buf[strlen("nolip ")];
+	}
+
+	if (!isdigit(val_buf[0]))
+		return -EINVAL;
+	if (sscanf(val_buf, "%i", &val) != 1)
+		return -EINVAL;
+
+	if (val >= 0 && val <= 6) {
+		prev_val = phba->cfg_topology;
+		if (phba->cfg_link_speed == LPFC_USER_LINK_SPEED_16G &&
+			val == 4) {
+			lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
+				"3113 Loop mode not supported at speed %d\n",
+				val);
+			return -EINVAL;
+		}
+		/*
+		 * The 'topology' is not a configurable parameter if :
+		 *   - persistent topology enabled
+		 *   - ASIC_GEN_NUM >= 0xC, with no private loop support
+		 */
+		sli_family = bf_get(lpfc_sli_intf_sli_family,
+				    &phba->sli4_hba.sli_intf);
+		if_type = bf_get(lpfc_sli_intf_if_type,
+				 &phba->sli4_hba.sli_intf);
+		if ((phba->hba_flag & HBA_PERSISTENT_TOPO ||
+		    (!phba->sli4_hba.pc_sli4_params.pls &&
+		     (sli_family == LPFC_SLI_INTF_FAMILY_G6 ||
+		      if_type == LPFC_SLI_INTF_IF_TYPE_6))) &&
+		    val == 4) {
+			lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
+				"3114 Loop mode not supported\n");
+			return -EINVAL;
+		}
+		phba->cfg_topology = val;
+		if (nolip)
+			return strlen(buf);
+
+		lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
+			"3054 lpfc_topology changed from %d to %d\n",
+			prev_val, val);
+		if (prev_val != val && phba->sli_rev == LPFC_SLI_REV4)
+			phba->fc_topology_changed = 1;
+		err = lpfc_issue_lip(lpfc_shost_from_vport(phba->pport));
+		if (err) {
+			phba->cfg_topology = prev_val;
+			return -EINVAL;
+		} else
+			return strlen(buf);
+	}
+	lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+		"%d:0467 lpfc_topology attribute cannot be set to %d, "
+		"allowed range is [0, 6]\n",
+		phba->brd_no, val);
+	return -EINVAL;
+}
+
+lpfc_param_show(topology)
+static DEVICE_ATTR_RW(lpfc_topology);
+
+/**
+ * lpfc_static_vport_show: Read callback function for
+ *   lpfc_static_vport sysfs file.
+ * @dev: Pointer to class device object.
+ * @attr: device attribute structure.
+ * @buf: Data buffer.
+ *
+ * This function is the read call back function for
+ * lpfc_static_vport sysfs file. The lpfc_static_vport
+ * sysfs file report the mageability of the vport.
+ **/
+static ssize_t
+lpfc_static_vport_show(struct device *dev, struct device_attribute *attr,
+			 char *buf)
+{
+	struct Scsi_Host  *shost = class_to_shost(dev);
+	struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
+	if (vport->vport_flag & STATIC_VPORT)
+		sprintf(buf, "1\n");
+	else
+		sprintf(buf, "0\n");
+
+	return strlen(buf);
+}
+
+/*
+ * Sysfs attribute to control the statistical data collection.
+ */
+static DEVICE_ATTR_RO(lpfc_static_vport);
+
+/*
+# lpfc_link_speed: Link speed selection for initializing the Fibre Channel
+# connection.
+# Value range is [0,16]. Default value is 0.
+*/
+/**
+ * lpfc_link_speed_store - Set the adapters link speed
+ * @dev: Pointer to class device.
+ * @attr: Unused.
+ * @buf: Data buffer.
+ * @count: Size of the data buffer.
+ *
+ * Description:
+ * If val is in a valid range then set the adapter's link speed field and
+ * issue a lip; if the lip fails reset the link speed to the old value.
+ *
+ * Notes:
+ * If the value is not in range log a kernel error message and return an error.
+ *
+ * Returns:
+ * zero if val is in range and lip okay.
+ * non-zero return value from lpfc_issue_lip()
+ * -EINVAL val out of range
+ **/
+static ssize_t
+lpfc_link_speed_store(struct device *dev, struct device_attribute *attr,
+		const char *buf, size_t count)
+{
+	struct Scsi_Host  *shost = class_to_shost(dev);
+	struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
+	struct lpfc_hba   *phba = vport->phba;
+	int val = LPFC_USER_LINK_SPEED_AUTO;
+	int nolip = 0;
+	const char *val_buf = buf;
+	int err;
+	uint32_t prev_val, if_type;
+
+	if_type = bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf);
+	if (if_type >= LPFC_SLI_INTF_IF_TYPE_2 &&
+	    phba->hba_flag & HBA_FORCED_LINK_SPEED)
+		return -EPERM;
+
+	if (!strncmp(buf, "nolip ", strlen("nolip "))) {
+		nolip = 1;
+		val_buf = &buf[strlen("nolip ")];
+	}
+
+	if (!isdigit(val_buf[0]))
+		return -EINVAL;
+	if (sscanf(val_buf, "%i", &val) != 1)
+		return -EINVAL;
+
+	lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
+		"3055 lpfc_link_speed changed from %d to %d %s\n",
+		phba->cfg_link_speed, val, nolip ? "(nolip)" : "(lip)");
+
+	if (((val == LPFC_USER_LINK_SPEED_1G) && !(phba->lmt & LMT_1Gb)) ||
+	    ((val == LPFC_USER_LINK_SPEED_2G) && !(phba->lmt & LMT_2Gb)) ||
+	    ((val == LPFC_USER_LINK_SPEED_4G) && !(phba->lmt & LMT_4Gb)) ||
+	    ((val == LPFC_USER_LINK_SPEED_8G) && !(phba->lmt & LMT_8Gb)) ||
+	    ((val == LPFC_USER_LINK_SPEED_10G) && !(phba->lmt & LMT_10Gb)) ||
+	    ((val == LPFC_USER_LINK_SPEED_16G) && !(phba->lmt & LMT_16Gb)) ||
+	    ((val == LPFC_USER_LINK_SPEED_32G) && !(phba->lmt & LMT_32Gb)) ||
+	    ((val == LPFC_USER_LINK_SPEED_64G) && !(phba->lmt & LMT_64Gb))) {
+		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+				"2879 lpfc_link_speed attribute cannot be set "
+				"to %d. Speed is not supported by this port.\n",
+				val);
+		return -EINVAL;
+	}
+	if (val >= LPFC_USER_LINK_SPEED_16G &&
+	    phba->fc_topology == LPFC_TOPOLOGY_LOOP) {
+		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+				"3112 lpfc_link_speed attribute cannot be set "
+				"to %d. Speed is not supported in loop mode.\n",
+				val);
+		return -EINVAL;
+	}
+
+	switch (val) {
+	case LPFC_USER_LINK_SPEED_AUTO:
+	case LPFC_USER_LINK_SPEED_1G:
+	case LPFC_USER_LINK_SPEED_2G:
+	case LPFC_USER_LINK_SPEED_4G:
+	case LPFC_USER_LINK_SPEED_8G:
+	case LPFC_USER_LINK_SPEED_16G:
+	case LPFC_USER_LINK_SPEED_32G:
+	case LPFC_USER_LINK_SPEED_64G:
+		prev_val = phba->cfg_link_speed;
+		phba->cfg_link_speed = val;
+		if (nolip)
+			return strlen(buf);
+
+		err = lpfc_issue_lip(lpfc_shost_from_vport(phba->pport));
+		if (err) {
+			phba->cfg_link_speed = prev_val;
+			return -EINVAL;
+		}
+		return strlen(buf);
+	default:
+		break;
+	}
+
+	lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+			"0469 lpfc_link_speed attribute cannot be set to %d, "
+			"allowed values are [%s]\n",
+			val, LPFC_LINK_SPEED_STRING);
+	return -EINVAL;
+
+}
+
+static int lpfc_link_speed = 0;
+module_param(lpfc_link_speed, int, S_IRUGO);
+MODULE_PARM_DESC(lpfc_link_speed, "Select link speed");
+lpfc_param_show(link_speed)
+
+/**
+ * lpfc_link_speed_init - Set the adapters link speed
+ * @phba: lpfc_hba pointer.
+ * @val: link speed value.
+ *
+ * Description:
+ * If val is in a valid range then set the adapter's link speed field.
+ *
+ * Notes:
+ * If the value is not in range log a kernel error message, clear the link
+ * speed and return an error.
+ *
+ * Returns:
+ * zero if val saved.
+ * -EINVAL val out of range
+ **/
+static int
+lpfc_link_speed_init(struct lpfc_hba *phba, int val)
+{
+	if (val >= LPFC_USER_LINK_SPEED_16G && phba->cfg_topology == 4) {
+		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+			"3111 lpfc_link_speed of %d cannot "
+			"support loop mode, setting topology to default.\n",
+			 val);
+		phba->cfg_topology = 0;
+	}
+
+	switch (val) {
+	case LPFC_USER_LINK_SPEED_AUTO:
+	case LPFC_USER_LINK_SPEED_1G:
+	case LPFC_USER_LINK_SPEED_2G:
+	case LPFC_USER_LINK_SPEED_4G:
+	case LPFC_USER_LINK_SPEED_8G:
+	case LPFC_USER_LINK_SPEED_16G:
+	case LPFC_USER_LINK_SPEED_32G:
+	case LPFC_USER_LINK_SPEED_64G:
+		phba->cfg_link_speed = val;
+		return 0;
+	default:
+		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+				"0405 lpfc_link_speed attribute cannot "
+				"be set to %d, allowed values are "
+				"["LPFC_LINK_SPEED_STRING"]\n", val);
+		phba->cfg_link_speed = LPFC_USER_LINK_SPEED_AUTO;
+		return -EINVAL;
+	}
+}
+
+static DEVICE_ATTR_RW(lpfc_link_speed);
+
+/*
+# lpfc_aer_support: Support PCIe device Advanced Error Reporting (AER)
+#       1  = aer supported and enabled (default)
+# PCIe error reporting is always enabled by the PCI core, so this always
+# shows 1.
+#
+# N.B. Parts of LPFC_ATTR open-coded since some of the underlying
+# infrastructure (phba->cfg_aer_support) is gone.
+*/
+static uint lpfc_aer_support = 1;
+module_param(lpfc_aer_support, uint, S_IRUGO);
+MODULE_PARM_DESC(lpfc_aer_support, "Enable PCIe device AER support");
+static ssize_t
+lpfc_aer_support_show(struct device *dev, struct device_attribute *attr,
+		      char *buf)
+{
+	return scnprintf(buf, PAGE_SIZE, "%d\n", lpfc_aer_support);
+}
+
+/**
+ * lpfc_aer_support_store - Set the adapter for aer support
+ *
+ * @dev: class device that is converted into a Scsi_host.
+ * @attr: device attribute, not used.
+ * @buf: containing enable or disable aer flag.
+ * @count: unused variable.
+ *
+ * Description:
+ * PCIe error reporting is enabled by the PCI core, so drivers don't need
+ * to do anything.  Retain this interface for backwards compatibility,
+ * but do nothing.
+ *
+ * Returns:
+ * length of the buf on success
+ * -EINVAL if val out of range
+ **/
+static ssize_t
+lpfc_aer_support_store(struct device *dev, struct device_attribute *attr,
+		       const char *buf, size_t count)
+{
+	int val = 0;
+
+	if (!isdigit(buf[0]))
+		return -EINVAL;
+	if (sscanf(buf, "%i", &val) != 1)
+		return -EINVAL;
+
+	dev_info_once(dev, "PCIe error reporting automatically enabled by the PCI core; sysfs write ignored\n");
+	return strlen(buf);
+}
+
+static DEVICE_ATTR_RW(lpfc_aer_support);
+
+/**
+ * lpfc_aer_cleanup_state - Clean up aer state to the aer enabled device
+ * @dev: class device that is converted into a Scsi_host.
+ * @attr: device attribute, not used.
+ * @buf: containing flag 1 for aer cleanup state.
+ * @count: unused variable.
+ *
+ * Description:
+ * If the @buf contains 1, invokes the kernel AER helper routine
+ * pci_aer_clear_nonfatal_status() to clean up the uncorrectable
+ * error status register.
+ *
+ * Notes:
+ *
+ * Returns:
+ * -EINVAL if the buf does not contain 1
+ * -EPERM if the OS cannot clear AER error status, i.e., when platform
+ * firmware owns the AER Capability
+ **/
+static ssize_t
+lpfc_aer_cleanup_state(struct device *dev, struct device_attribute *attr,
+		       const char *buf, size_t count)
+{
+	struct Scsi_Host  *shost = class_to_shost(dev);
+	struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
+	struct lpfc_hba   *phba = vport->phba;
+	int val, rc = -1;
+
+	if (!isdigit(buf[0]))
+		return -EINVAL;
+	if (sscanf(buf, "%i", &val) != 1)
+		return -EINVAL;
+	if (val != 1)
+		return -EINVAL;
+
+	rc = pci_aer_clear_nonfatal_status(phba->pcidev);
+
+	if (rc == 0)
+		return strlen(buf);
+	else
+		return -EPERM;
+}
+
+static DEVICE_ATTR(lpfc_aer_state_cleanup, S_IWUSR, NULL,
+		   lpfc_aer_cleanup_state);
+
+/**
+ * lpfc_sriov_nr_virtfn_store - Enable the adapter for sr-iov virtual functions
+ *
+ * @dev: class device that is converted into a Scsi_host.
+ * @attr: device attribute, not used.
+ * @buf: containing the string the number of vfs to be enabled.
+ * @count: unused variable.
+ *
+ * Description:
+ * When this api is called either through user sysfs, the driver shall
+ * try to enable or disable SR-IOV virtual functions according to the
+ * following:
+ *
+ * If zero virtual function has been enabled to the physical function,
+ * the driver shall invoke the pci enable virtual function api trying
+ * to enable the virtual functions. If the nr_vfn provided is greater
+ * than the maximum supported, the maximum virtual function number will
+ * be used for invoking the api; otherwise, the nr_vfn provided shall
+ * be used for invoking the api. If the api call returned success, the
+ * actual number of virtual functions enabled will be set to the driver
+ * cfg_sriov_nr_virtfn; otherwise, -EINVAL shall be returned and driver
+ * cfg_sriov_nr_virtfn remains zero.
+ *
+ * If none-zero virtual functions have already been enabled to the
+ * physical function, as reflected by the driver's cfg_sriov_nr_virtfn,
+ * -EINVAL will be returned and the driver does nothing;
+ *
+ * If the nr_vfn provided is zero and none-zero virtual functions have
+ * been enabled, as indicated by the driver's cfg_sriov_nr_virtfn, the
+ * disabling virtual function api shall be invoded to disable all the
+ * virtual functions and driver's cfg_sriov_nr_virtfn shall be set to
+ * zero. Otherwise, if zero virtual function has been enabled, do
+ * nothing.
+ *
+ * Returns:
+ * length of the buf on success if val is in range the intended mode
+ * is supported.
+ * -EINVAL if val out of range or intended mode is not supported.
+ **/
+static ssize_t
+lpfc_sriov_nr_virtfn_store(struct device *dev, struct device_attribute *attr,
+			 const char *buf, size_t count)
+{
+	struct Scsi_Host *shost = class_to_shost(dev);
+	struct lpfc_vport *vport = (struct lpfc_vport *)shost->hostdata;
+	struct lpfc_hba *phba = vport->phba;
+	struct pci_dev *pdev = phba->pcidev;
+	int val = 0, rc = -EINVAL;
+
+	/* Sanity check on user data */
+	if (!isdigit(buf[0]))
+		return -EINVAL;
+	if (sscanf(buf, "%i", &val) != 1)
+		return -EINVAL;
+	if (val < 0)
+		return -EINVAL;
+
+	/* Request disabling virtual functions */
+	if (val == 0) {
+		if (phba->cfg_sriov_nr_virtfn > 0) {
+			pci_disable_sriov(pdev);
+			phba->cfg_sriov_nr_virtfn = 0;
+		}
+		return strlen(buf);
+	}
+
+	/* Request enabling virtual functions */
+	if (phba->cfg_sriov_nr_virtfn > 0) {
+		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+				"3018 There are %d virtual functions "
+				"enabled on physical function.\n",
+				phba->cfg_sriov_nr_virtfn);
+		return -EEXIST;
+	}
+
+	if (val <= LPFC_MAX_VFN_PER_PFN)
+		phba->cfg_sriov_nr_virtfn = val;
+	else {
+		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+				"3019 Enabling %d virtual functions is not "
+				"allowed.\n", val);
+		return -EINVAL;
+	}
+
+	rc = lpfc_sli_probe_sriov_nr_virtfn(phba, phba->cfg_sriov_nr_virtfn);
+	if (rc) {
+		phba->cfg_sriov_nr_virtfn = 0;
+		rc = -EPERM;
+	} else
+		rc = strlen(buf);
+
+	return rc;
+}
+
+LPFC_ATTR(sriov_nr_virtfn, LPFC_DEF_VFN_PER_PFN, 0, LPFC_MAX_VFN_PER_PFN,
+	"Enable PCIe device SR-IOV virtual fn");
+
+lpfc_param_show(sriov_nr_virtfn)
+static DEVICE_ATTR_RW(lpfc_sriov_nr_virtfn);
+
+/**
+ * lpfc_request_firmware_upgrade_store - Request for Linux generic firmware upgrade
+ *
+ * @dev: class device that is converted into a Scsi_host.
+ * @attr: device attribute, not used.
+ * @buf: containing the string the number of vfs to be enabled.
+ * @count: unused variable.
+ *
+ * Description:
+ *
+ * Returns:
+ * length of the buf on success if val is in range the intended mode
+ * is supported.
+ * -EINVAL if val out of range or intended mode is not supported.
+ **/
+static ssize_t
+lpfc_request_firmware_upgrade_store(struct device *dev,
+				    struct device_attribute *attr,
+				    const char *buf, size_t count)
+{
+	struct Scsi_Host *shost = class_to_shost(dev);
+	struct lpfc_vport *vport = (struct lpfc_vport *)shost->hostdata;
+	struct lpfc_hba *phba = vport->phba;
+	int val = 0, rc;
+
+	/* Sanity check on user data */
+	if (!isdigit(buf[0]))
+		return -EINVAL;
+	if (sscanf(buf, "%i", &val) != 1)
+		return -EINVAL;
+	if (val != 1)
+		return -EINVAL;
+
+	rc = lpfc_sli4_request_firmware_update(phba, RUN_FW_UPGRADE);
+	if (rc)
+		rc = -EPERM;
+	else
+		rc = strlen(buf);
+	return rc;
+}
+
+static int lpfc_req_fw_upgrade;
+module_param(lpfc_req_fw_upgrade, int, S_IRUGO|S_IWUSR);
+MODULE_PARM_DESC(lpfc_req_fw_upgrade, "Enable Linux generic firmware upgrade");
+lpfc_param_show(request_firmware_upgrade)
+
+/**
+ * lpfc_request_firmware_upgrade_init - Enable initial linux generic fw upgrade
+ * @phba: lpfc_hba pointer.
+ * @val: 0 or 1.
+ *
+ * Description:
+ * Set the initial Linux generic firmware upgrade enable or disable flag.
+ *
+ * Returns:
+ * zero if val saved.
+ * -EINVAL val out of range
+ **/
+static int
+lpfc_request_firmware_upgrade_init(struct lpfc_hba *phba, int val)
+{
+	if (val >= 0 && val <= 1) {
+		phba->cfg_request_firmware_upgrade = val;
+		return 0;
+	}
+	return -EINVAL;
+}
+static DEVICE_ATTR(lpfc_req_fw_upgrade, S_IRUGO | S_IWUSR,
+		   lpfc_request_firmware_upgrade_show,
+		   lpfc_request_firmware_upgrade_store);
+
+/**
+ * lpfc_force_rscn_store
+ *
+ * @dev: class device that is converted into a Scsi_host.
+ * @attr: device attribute, not used.
+ * @buf: unused string
+ * @count: unused variable.
+ *
+ * Description:
+ * Force the switch to send a RSCN to all other NPorts in our zone
+ * If we are direct connect pt2pt, build the RSCN command ourself
+ * and send to the other NPort. Not supported for private loop.
+ *
+ * Returns:
+ * 0      - on success
+ * -EIO   - if command is not sent
+ **/
+static ssize_t
+lpfc_force_rscn_store(struct device *dev, struct device_attribute *attr,
+		      const char *buf, size_t count)
+{
+	struct Scsi_Host *shost = class_to_shost(dev);
+	struct lpfc_vport *vport = (struct lpfc_vport *)shost->hostdata;
+	int i;
+
+	i = lpfc_issue_els_rscn(vport, 0);
+	if (i)
+		return -EIO;
+	return strlen(buf);
+}
+
+/*
+ * lpfc_force_rscn: Force an RSCN to be sent to all remote NPorts
+ * connected to  the HBA.
+ *
+ * Value range is any ascii value
+ */
+static int lpfc_force_rscn;
+module_param(lpfc_force_rscn, int, 0644);
+MODULE_PARM_DESC(lpfc_force_rscn,
+		 "Force an RSCN to be sent to all remote NPorts");
+lpfc_param_show(force_rscn)
+
+/**
+ * lpfc_force_rscn_init - Force an RSCN to be sent to all remote NPorts
+ * @phba: lpfc_hba pointer.
+ * @val: unused value.
+ *
+ * Returns:
+ * zero if val saved.
+ **/
+static int
+lpfc_force_rscn_init(struct lpfc_hba *phba, int val)
+{
+	return 0;
+}
+static DEVICE_ATTR_RW(lpfc_force_rscn);
+
+/**
+ * lpfc_fcp_imax_store
+ *
+ * @dev: class device that is converted into a Scsi_host.
+ * @attr: device attribute, not used.
+ * @buf: string with the number of fast-path FCP interrupts per second.
+ * @count: unused variable.
+ *
+ * Description:
+ * If val is in a valid range [636,651042], then set the adapter's
+ * maximum number of fast-path FCP interrupts per second.
+ *
+ * Returns:
+ * length of the buf on success if val is in range the intended mode
+ * is supported.
+ * -EINVAL if val out of range or intended mode is not supported.
+ **/
+static ssize_t
+lpfc_fcp_imax_store(struct device *dev, struct device_attribute *attr,
+			 const char *buf, size_t count)
+{
+	struct Scsi_Host *shost = class_to_shost(dev);
+	struct lpfc_vport *vport = (struct lpfc_vport *)shost->hostdata;
+	struct lpfc_hba *phba = vport->phba;
+	struct lpfc_eq_intr_info *eqi;
+	uint32_t usdelay;
+	int val = 0, i;
+
+	/* fcp_imax is only valid for SLI4 */
+	if (phba->sli_rev != LPFC_SLI_REV4)
+		return -EINVAL;
+
+	/* Sanity check on user data */
+	if (!isdigit(buf[0]))
+		return -EINVAL;
+	if (sscanf(buf, "%i", &val) != 1)
+		return -EINVAL;
+
+	/*
+	 * Value range for the HBA is [5000,5000000]
+	 * The value for each EQ depends on how many EQs are configured.
+	 * Allow value == 0
+	 */
+	if (val && (val < LPFC_MIN_IMAX || val > LPFC_MAX_IMAX))
+		return -EINVAL;
+
+	phba->cfg_auto_imax = (val) ? 0 : 1;
+	if (phba->cfg_fcp_imax && !val) {
+		queue_delayed_work(phba->wq, &phba->eq_delay_work,
+				   msecs_to_jiffies(LPFC_EQ_DELAY_MSECS));
+
+		for_each_present_cpu(i) {
+			eqi = per_cpu_ptr(phba->sli4_hba.eq_info, i);
+			eqi->icnt = 0;
+		}
+	}
+
+	phba->cfg_fcp_imax = (uint32_t)val;
+
+	if (phba->cfg_fcp_imax)
+		usdelay = LPFC_SEC_TO_USEC / phba->cfg_fcp_imax;
+	else
+		usdelay = 0;
+
+	for (i = 0; i < phba->cfg_irq_chann; i += LPFC_MAX_EQ_DELAY_EQID_CNT)
+		lpfc_modify_hba_eq_delay(phba, i, LPFC_MAX_EQ_DELAY_EQID_CNT,
+					 usdelay);
+
+	return strlen(buf);
+}
+
+/*
+# lpfc_fcp_imax: The maximum number of fast-path FCP interrupts per second
+# for the HBA.
+#
+# Value range is [5,000 to 5,000,000]. Default value is 50,000.
+*/
+static int lpfc_fcp_imax = LPFC_DEF_IMAX;
+module_param(lpfc_fcp_imax, int, S_IRUGO|S_IWUSR);
+MODULE_PARM_DESC(lpfc_fcp_imax,
+	    "Set the maximum number of FCP interrupts per second per HBA");
+lpfc_param_show(fcp_imax)
+
+/**
+ * lpfc_fcp_imax_init - Set the initial sr-iov virtual function enable
+ * @phba: lpfc_hba pointer.
+ * @val: link speed value.
+ *
+ * Description:
+ * If val is in a valid range [636,651042], then initialize the adapter's
+ * maximum number of fast-path FCP interrupts per second.
+ *
+ * Returns:
+ * zero if val saved.
+ * -EINVAL val out of range
+ **/
+static int
+lpfc_fcp_imax_init(struct lpfc_hba *phba, int val)
+{
+	if (phba->sli_rev != LPFC_SLI_REV4) {
+		phba->cfg_fcp_imax = 0;
+		return 0;
+	}
+
+	if ((val >= LPFC_MIN_IMAX && val <= LPFC_MAX_IMAX) ||
+	    (val == 0)) {
+		phba->cfg_fcp_imax = val;
+		return 0;
+	}
+
+	lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+			"3016 lpfc_fcp_imax: %d out of range, using default\n",
+			val);
+	phba->cfg_fcp_imax = LPFC_DEF_IMAX;
+
+	return 0;
+}
+
+static DEVICE_ATTR_RW(lpfc_fcp_imax);
+
+/**
+ * lpfc_cq_max_proc_limit_store
+ *
+ * @dev: class device that is converted into a Scsi_host.
+ * @attr: device attribute, not used.
+ * @buf: string with the cq max processing limit of cqes
+ * @count: unused variable.
+ *
+ * Description:
+ * If val is in a valid range, then set value on each cq
+ *
+ * Returns:
+ * The length of the buf: if successful
+ * -ERANGE: if val is not in the valid range
+ * -EINVAL: if bad value format or intended mode is not supported.
+ **/
+static ssize_t
+lpfc_cq_max_proc_limit_store(struct device *dev, struct device_attribute *attr,
+			 const char *buf, size_t count)
+{
+	struct Scsi_Host *shost = class_to_shost(dev);
+	struct lpfc_vport *vport = (struct lpfc_vport *)shost->hostdata;
+	struct lpfc_hba *phba = vport->phba;
+	struct lpfc_queue *eq, *cq;
+	unsigned long val;
+	int i;
+
+	/* cq_max_proc_limit is only valid for SLI4 */
+	if (phba->sli_rev != LPFC_SLI_REV4)
+		return -EINVAL;
+
+	/* Sanity check on user data */
+	if (!isdigit(buf[0]))
+		return -EINVAL;
+	if (kstrtoul(buf, 0, &val))
+		return -EINVAL;
+
+	if (val < LPFC_CQ_MIN_PROC_LIMIT || val > LPFC_CQ_MAX_PROC_LIMIT)
+		return -ERANGE;
+
+	phba->cfg_cq_max_proc_limit = (uint32_t)val;
+
+	/* set the values on the cq's */
+	for (i = 0; i < phba->cfg_irq_chann; i++) {
+		/* Get the EQ corresponding to the IRQ vector */
+		eq = phba->sli4_hba.hba_eq_hdl[i].eq;
+		if (!eq)
+			continue;
+
+		list_for_each_entry(cq, &eq->child_list, list)
+			cq->max_proc_limit = min(phba->cfg_cq_max_proc_limit,
+						 cq->entry_count);
+	}
+
+	return strlen(buf);
+}
+
+/*
+ * lpfc_cq_max_proc_limit: The maximum number CQE entries processed in an
+ *   itteration of CQ processing.
+ */
+static int lpfc_cq_max_proc_limit = LPFC_CQ_DEF_MAX_PROC_LIMIT;
+module_param(lpfc_cq_max_proc_limit, int, 0644);
+MODULE_PARM_DESC(lpfc_cq_max_proc_limit,
+	    "Set the maximum number CQEs processed in an iteration of "
+	    "CQ processing");
+lpfc_param_show(cq_max_proc_limit)
+
+/*
+ * lpfc_cq_poll_threshold: Set the threshold of CQE completions in a
+ *   single handler call which should request a polled completion rather
+ *   than re-enabling interrupts.
+ */
+LPFC_ATTR_RW(cq_poll_threshold, LPFC_CQ_DEF_THRESHOLD_TO_POLL,
+	     LPFC_CQ_MIN_THRESHOLD_TO_POLL,
+	     LPFC_CQ_MAX_THRESHOLD_TO_POLL,
+	     "CQE Processing Threshold to enable Polling");
+
+/**
+ * lpfc_cq_max_proc_limit_init - Set the initial cq max_proc_limit
+ * @phba: lpfc_hba pointer.
+ * @val: entry limit
+ *
+ * Description:
+ * If val is in a valid range, then initialize the adapter's maximum
+ * value.
+ *
+ * Returns:
+ *  Always returns 0 for success, even if value not always set to
+ *  requested value. If value out of range or not supported, will fall
+ *  back to default.
+ **/
+static int
+lpfc_cq_max_proc_limit_init(struct lpfc_hba *phba, int val)
+{
+	phba->cfg_cq_max_proc_limit = LPFC_CQ_DEF_MAX_PROC_LIMIT;
+
+	if (phba->sli_rev != LPFC_SLI_REV4)
+		return 0;
+
+	if (val >= LPFC_CQ_MIN_PROC_LIMIT && val <= LPFC_CQ_MAX_PROC_LIMIT) {
+		phba->cfg_cq_max_proc_limit = val;
+		return 0;
+	}
+
+	lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+			"0371 lpfc_cq_max_proc_limit: %d out of range, using "
+			"default\n",
+			phba->cfg_cq_max_proc_limit);
+
+	return 0;
+}
+
+static DEVICE_ATTR_RW(lpfc_cq_max_proc_limit);
+
+/**
+ * lpfc_fcp_cpu_map_show - Display current driver CPU affinity
+ * @dev: class converted to a Scsi_host structure.
+ * @attr: device attribute, not used.
+ * @buf: on return contains text describing the state of the link.
+ *
+ * Returns: size of formatted string.
+ **/
+static ssize_t
+lpfc_fcp_cpu_map_show(struct device *dev, struct device_attribute *attr,
+		      char *buf)
+{
+	struct Scsi_Host  *shost = class_to_shost(dev);
+	struct lpfc_vport *vport = (struct lpfc_vport *)shost->hostdata;
+	struct lpfc_hba   *phba = vport->phba;
+	struct lpfc_vector_map_info *cpup;
+	int  len = 0;
+
+	if ((phba->sli_rev != LPFC_SLI_REV4) ||
+	    (phba->intr_type != MSIX))
+		return len;
+
+	switch (phba->cfg_fcp_cpu_map) {
+	case 0:
+		len += scnprintf(buf + len, PAGE_SIZE-len,
+				"fcp_cpu_map: No mapping (%d)\n",
+				phba->cfg_fcp_cpu_map);
+		return len;
+	case 1:
+		len += scnprintf(buf + len, PAGE_SIZE-len,
+				"fcp_cpu_map: HBA centric mapping (%d): "
+				"%d of %d CPUs online from %d possible CPUs\n",
+				phba->cfg_fcp_cpu_map, num_online_cpus(),
+				num_present_cpus(),
+				phba->sli4_hba.num_possible_cpu);
+		break;
+	}
+
+	while (phba->sli4_hba.curr_disp_cpu <
+	       phba->sli4_hba.num_possible_cpu) {
+		cpup = &phba->sli4_hba.cpu_map[phba->sli4_hba.curr_disp_cpu];
+
+		if (!cpu_present(phba->sli4_hba.curr_disp_cpu))
+			len += scnprintf(buf + len, PAGE_SIZE - len,
+					"CPU %02d not present\n",
+					phba->sli4_hba.curr_disp_cpu);
+		else if (cpup->eq == LPFC_VECTOR_MAP_EMPTY) {
+			if (cpup->hdwq == LPFC_VECTOR_MAP_EMPTY)
+				len += scnprintf(
+					buf + len, PAGE_SIZE - len,
+					"CPU %02d hdwq None "
+					"physid %d coreid %d ht %d ua %d\n",
+					phba->sli4_hba.curr_disp_cpu,
+					cpup->phys_id, cpup->core_id,
+					(cpup->flag & LPFC_CPU_MAP_HYPER),
+					(cpup->flag & LPFC_CPU_MAP_UNASSIGN));
+			else
+				len += scnprintf(
+					buf + len, PAGE_SIZE - len,
+					"CPU %02d EQ None hdwq %04d "
+					"physid %d coreid %d ht %d ua %d\n",
+					phba->sli4_hba.curr_disp_cpu,
+					cpup->hdwq, cpup->phys_id,
+					cpup->core_id,
+					(cpup->flag & LPFC_CPU_MAP_HYPER),
+					(cpup->flag & LPFC_CPU_MAP_UNASSIGN));
+		} else {
+			if (cpup->hdwq == LPFC_VECTOR_MAP_EMPTY)
+				len += scnprintf(
+					buf + len, PAGE_SIZE - len,
+					"CPU %02d hdwq None "
+					"physid %d coreid %d ht %d ua %d IRQ %d\n",
+					phba->sli4_hba.curr_disp_cpu,
+					cpup->phys_id,
+					cpup->core_id,
+					(cpup->flag & LPFC_CPU_MAP_HYPER),
+					(cpup->flag & LPFC_CPU_MAP_UNASSIGN),
+					lpfc_get_irq(cpup->eq));
+			else
+				len += scnprintf(
+					buf + len, PAGE_SIZE - len,
+					"CPU %02d EQ %04d hdwq %04d "
+					"physid %d coreid %d ht %d ua %d IRQ %d\n",
+					phba->sli4_hba.curr_disp_cpu,
+					cpup->eq, cpup->hdwq, cpup->phys_id,
+					cpup->core_id,
+					(cpup->flag & LPFC_CPU_MAP_HYPER),
+					(cpup->flag & LPFC_CPU_MAP_UNASSIGN),
+					lpfc_get_irq(cpup->eq));
+		}
+
+		phba->sli4_hba.curr_disp_cpu++;
+
+		/* display max number of CPUs keeping some margin */
+		if (phba->sli4_hba.curr_disp_cpu <
+				phba->sli4_hba.num_possible_cpu &&
+				(len >= (PAGE_SIZE - 64))) {
+			len += scnprintf(buf + len,
+					PAGE_SIZE - len, "more...\n");
+			break;
+		}
+	}
+
+	if (phba->sli4_hba.curr_disp_cpu == phba->sli4_hba.num_possible_cpu)
+		phba->sli4_hba.curr_disp_cpu = 0;
+
+	return len;
+}
+
+/**
+ * lpfc_fcp_cpu_map_store - Change CPU affinity of driver vectors
+ * @dev: class device that is converted into a Scsi_host.
+ * @attr: device attribute, not used.
+ * @buf: one or more lpfc_polling_flags values.
+ * @count: not used.
+ *
+ * Returns:
+ * -EINVAL  - Not implemented yet.
+ **/
+static ssize_t
+lpfc_fcp_cpu_map_store(struct device *dev, struct device_attribute *attr,
+		       const char *buf, size_t count)
+{
+	return -EINVAL;
+}
+
+/*
+# lpfc_fcp_cpu_map: Defines how to map CPUs to IRQ vectors
+# for the HBA.
+#
+# Value range is [0 to 1]. Default value is LPFC_HBA_CPU_MAP (1).
+#	0 - Do not affinitze IRQ vectors
+#	1 - Affintize HBA vectors with respect to each HBA
+#	    (start with CPU0 for each HBA)
+# This also defines how Hardware Queues are mapped to specific CPUs.
+*/
+static int lpfc_fcp_cpu_map = LPFC_HBA_CPU_MAP;
+module_param(lpfc_fcp_cpu_map, int, S_IRUGO|S_IWUSR);
+MODULE_PARM_DESC(lpfc_fcp_cpu_map,
+		 "Defines how to map CPUs to IRQ vectors per HBA");
+
+/**
+ * lpfc_fcp_cpu_map_init - Set the initial sr-iov virtual function enable
+ * @phba: lpfc_hba pointer.
+ * @val: link speed value.
+ *
+ * Description:
+ * If val is in a valid range [0-2], then affinitze the adapter's
+ * MSIX vectors.
+ *
+ * Returns:
+ * zero if val saved.
+ * -EINVAL val out of range
+ **/
+static int
+lpfc_fcp_cpu_map_init(struct lpfc_hba *phba, int val)
+{
+	if (phba->sli_rev != LPFC_SLI_REV4) {
+		phba->cfg_fcp_cpu_map = 0;
+		return 0;
+	}
+
+	if (val >= LPFC_MIN_CPU_MAP && val <= LPFC_MAX_CPU_MAP) {
+		phba->cfg_fcp_cpu_map = val;
+		return 0;
+	}
+
+	lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+			"3326 lpfc_fcp_cpu_map: %d out of range, using "
+			"default\n", val);
+	phba->cfg_fcp_cpu_map = LPFC_HBA_CPU_MAP;
+
+	return 0;
+}
+
+static DEVICE_ATTR_RW(lpfc_fcp_cpu_map);
+
+/*
+# lpfc_fcp_class:  Determines FC class to use for the FCP protocol.
+# Value range is [2,3]. Default value is 3.
+*/
+LPFC_VPORT_ATTR_R(fcp_class, 3, 2, 3,
+		  "Select Fibre Channel class of service for FCP sequences");
+
+/*
+# lpfc_use_adisc: Use ADISC for FCP rediscovery instead of PLOGI. Value range
+# is [0,1]. Default value is 1.
+*/
+LPFC_VPORT_ATTR_RW(use_adisc, 1, 0, 1,
+		   "Use ADISC on rediscovery to authenticate FCP devices");
+
+/*
+# lpfc_first_burst_size: First burst size to use on the NPorts
+# that support first burst.
+# Value range is [0,65536]. Default value is 0.
+*/
+LPFC_VPORT_ATTR_RW(first_burst_size, 0, 0, 65536,
+		   "First burst size for Targets that support first burst");
+
+/*
+* lpfc_nvmet_fb_size: NVME Target mode supported first burst size.
+* When the driver is configured as an NVME target, this value is
+* communicated to the NVME initiator in the PRLI response.  It is
+* used only when the lpfc_nvme_enable_fb and lpfc_nvmet_support
+* parameters are set and the target is sending the PRLI RSP.
+* Parameter supported on physical port only - no NPIV support.
+* Value range is [0,65536]. Default value is 0.
+*/
+LPFC_ATTR_RW(nvmet_fb_size, 0, 0, 65536,
+	     "NVME Target mode first burst size in 512B increments.");
+
+/*
+ * lpfc_nvme_enable_fb: Enable NVME first burst on I and T functions.
+ * For the Initiator (I), enabling this parameter means that an NVMET
+ * PRLI response with FBA enabled and an FB_SIZE set to a nonzero value will be
+ * processed by the initiator for subsequent NVME FCP IO.
+ * Currently, this feature is not supported on the NVME target
+ * Value range is [0,1]. Default value is 0 (disabled).
+ */
+LPFC_ATTR_RW(nvme_enable_fb, 0, 0, 1,
+	     "Enable First Burst feature for NVME Initiator.");
+
+/*
+# lpfc_max_scsicmpl_time: Use scsi command completion time to control I/O queue
+# depth. Default value is 0. When the value of this parameter is zero the
+# SCSI command completion time is not used for controlling I/O queue depth. When
+# the parameter is set to a non-zero value, the I/O queue depth is controlled
+# to limit the I/O completion time to the parameter value.
+# The value is set in milliseconds.
+*/
+LPFC_VPORT_ATTR(max_scsicmpl_time, 0, 0, 60000,
+	"Use command completion time to control queue depth");
+
+lpfc_vport_param_show(max_scsicmpl_time);
+static int
+lpfc_max_scsicmpl_time_set(struct lpfc_vport *vport, int val)
+{
+	struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
+	struct lpfc_nodelist *ndlp, *next_ndlp;
+
+	if (val == vport->cfg_max_scsicmpl_time)
+		return 0;
+	if ((val < 0) || (val > 60000))
+		return -EINVAL;
+	vport->cfg_max_scsicmpl_time = val;
+
+	spin_lock_irq(shost->host_lock);
+	list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, nlp_listp) {
+		if (ndlp->nlp_state == NLP_STE_UNUSED_NODE)
+			continue;
+		ndlp->cmd_qdepth = vport->cfg_tgt_queue_depth;
+	}
+	spin_unlock_irq(shost->host_lock);
+	return 0;
+}
+lpfc_vport_param_store(max_scsicmpl_time);
+static DEVICE_ATTR_RW(lpfc_max_scsicmpl_time);
+
+/*
+# lpfc_ack0: Use ACK0, instead of ACK1 for class 2 acknowledgement. Value
+# range is [0,1]. Default value is 0.
+*/
+LPFC_ATTR_R(ack0, 0, 0, 1, "Enable ACK0 support");
+
+/*
+# lpfc_xri_rebalancing: enable or disable XRI rebalancing feature
+# range is [0,1]. Default value is 1.
+*/
+LPFC_ATTR_R(xri_rebalancing, 1, 0, 1, "Enable/Disable XRI rebalancing");
+
+/*
+ * lpfc_io_sched: Determine scheduling algrithmn for issuing FCP cmds
+ * range is [0,1]. Default value is 0.
+ * For [0], FCP commands are issued to Work Queues based on upper layer
+ * hardware queue index.
+ * For [1], FCP commands are issued to a Work Queue associated with the
+ *          current CPU.
+ *
+ * LPFC_FCP_SCHED_BY_HDWQ == 0
+ * LPFC_FCP_SCHED_BY_CPU == 1
+ *
+ * The driver dynamically sets this to 1 (BY_CPU) if it's able to set up cpu
+ * affinity for FCP/NVME I/Os through Work Queues associated with the current
+ * CPU. Otherwise, the default 0 (Round Robin) scheduling of FCP/NVME I/Os
+ * through WQs will be used.
+ */
+LPFC_ATTR_RW(fcp_io_sched, LPFC_FCP_SCHED_BY_CPU,
+	     LPFC_FCP_SCHED_BY_HDWQ,
+	     LPFC_FCP_SCHED_BY_CPU,
+	     "Determine scheduling algorithm for "
+	     "issuing commands [0] - Hardware Queue, [1] - Current CPU");
+
+/*
+ * lpfc_ns_query: Determine algrithmn for NameServer queries after RSCN
+ * range is [0,1]. Default value is 0.
+ * For [0], GID_FT is used for NameServer queries after RSCN (default)
+ * For [1], GID_PT is used for NameServer queries after RSCN
+ *
+ */
+LPFC_ATTR_RW(ns_query, LPFC_NS_QUERY_GID_FT,
+	     LPFC_NS_QUERY_GID_FT, LPFC_NS_QUERY_GID_PT,
+	     "Determine algorithm NameServer queries after RSCN "
+	     "[0] - GID_FT, [1] - GID_PT");
+
+/*
+# lpfc_fcp2_no_tgt_reset: Determine bus reset behavior
+# range is [0,1]. Default value is 0.
+# For [0], bus reset issues target reset to ALL devices
+# For [1], bus reset issues target reset to non-FCP2 devices
+*/
+LPFC_ATTR_RW(fcp2_no_tgt_reset, 0, 0, 1, "Determine bus reset behavior for "
+	     "FCP2 devices [0] - issue tgt reset, [1] - no tgt reset");
+
+
+/*
+# lpfc_cr_delay & lpfc_cr_count: Default values for I/O colaesing
+# cr_delay (msec) or cr_count outstanding commands. cr_delay can take
+# value [0,63]. cr_count can take value [1,255]. Default value of cr_delay
+# is 0. Default value of cr_count is 1. The cr_count feature is disabled if
+# cr_delay is set to 0.
+*/
+LPFC_ATTR_RW(cr_delay, 0, 0, 63, "A count of milliseconds after which an "
+		"interrupt response is generated");
+
+LPFC_ATTR_RW(cr_count, 1, 1, 255, "A count of I/O completions after which an "
+		"interrupt response is generated");
+
+/*
+# lpfc_multi_ring_support:  Determines how many rings to spread available
+# cmd/rsp IOCB entries across.
+# Value range is [1,2]. Default value is 1.
+*/
+LPFC_ATTR_R(multi_ring_support, 1, 1, 2, "Determines number of primary "
+		"SLI rings to spread IOCB entries across");
+
+/*
+# lpfc_multi_ring_rctl:  If lpfc_multi_ring_support is enabled, this
+# identifies what rctl value to configure the additional ring for.
+# Value range is [1,0xff]. Default value is 4 (Unsolicated Data).
+*/
+LPFC_ATTR_R(multi_ring_rctl, FC_RCTL_DD_UNSOL_DATA, 1,
+	     255, "Identifies RCTL for additional ring configuration");
+
+/*
+# lpfc_multi_ring_type:  If lpfc_multi_ring_support is enabled, this
+# identifies what type value to configure the additional ring for.
+# Value range is [1,0xff]. Default value is 5 (LLC/SNAP).
+*/
+LPFC_ATTR_R(multi_ring_type, FC_TYPE_IP, 1,
+	     255, "Identifies TYPE for additional ring configuration");
+
+/*
+# lpfc_enable_SmartSAN: Sets up FDMI support for SmartSAN
+#       0  = SmartSAN functionality disabled (default)
+#       1  = SmartSAN functionality enabled
+# This parameter will override the value of lpfc_fdmi_on module parameter.
+# Value range is [0,1]. Default value is 0.
+*/
+LPFC_ATTR_R(enable_SmartSAN, 0, 0, 1, "Enable SmartSAN functionality");
+
+/*
+# lpfc_fdmi_on: Controls FDMI support.
+#       0       No FDMI support
+#       1       Traditional FDMI support (default)
+# Traditional FDMI support means the driver will assume FDMI-2 support;
+# however, if that fails, it will fallback to FDMI-1.
+# If lpfc_enable_SmartSAN is set to 1, the driver ignores lpfc_fdmi_on.
+# If lpfc_enable_SmartSAN is set 0, the driver uses the current value of
+# lpfc_fdmi_on.
+# Value range [0,1]. Default value is 1.
+*/
+LPFC_ATTR_R(fdmi_on, 1, 0, 1, "Enable FDMI support");
+
+/*
+# Specifies the maximum number of ELS cmds we can have outstanding (for
+# discovery). Value range is [1,64]. Default value = 32.
+*/
+LPFC_VPORT_ATTR(discovery_threads, 32, 1, 64, "Maximum number of ELS commands "
+		 "during discovery");
+
+/*
+# lpfc_max_luns: maximum allowed LUN ID. This is the highest LUN ID that
+#    will be scanned by the SCSI midlayer when sequential scanning is
+#    used; and is also the highest LUN ID allowed when the SCSI midlayer
+#    parses REPORT_LUN responses. The lpfc driver has no LUN count or
+#    LUN ID limit, but the SCSI midlayer requires this field for the uses
+#    above. The lpfc driver limits the default value to 255 for two reasons.
+#    As it bounds the sequential scan loop, scanning for thousands of luns
+#    on a target can take minutes of wall clock time.  Additionally,
+#    there are FC targets, such as JBODs, that only recognize 8-bits of
+#    LUN ID. When they receive a value greater than 8 bits, they chop off
+#    the high order bits. In other words, they see LUN IDs 0, 256, 512,
+#    and so on all as LUN ID 0. This causes the linux kernel, which sees
+#    valid responses at each of the LUN IDs, to believe there are multiple
+#    devices present, when in fact, there is only 1.
+#    A customer that is aware of their target behaviors, and the results as
+#    indicated above, is welcome to increase the lpfc_max_luns value.
+#    As mentioned, this value is not used by the lpfc driver, only the
+#    SCSI midlayer.
+# Value range is [0,65535]. Default value is 255.
+# NOTE: The SCSI layer might probe all allowed LUN on some old targets.
+*/
+LPFC_VPORT_ULL_ATTR_R(max_luns, 255, 0, 65535, "Maximum allowed LUN ID");
+
+/*
+# lpfc_poll_tmo: .Milliseconds driver will wait between polling FCP ring.
+# Value range is [1,255], default value is 10.
+*/
+LPFC_ATTR_RW(poll_tmo, 10, 1, 255,
+	     "Milliseconds driver will wait between polling FCP ring");
+
+/*
+# lpfc_task_mgmt_tmo: Maximum time to wait for task management commands
+# to complete in seconds. Value range is [5,180], default value is 60.
+*/
+LPFC_ATTR_RW(task_mgmt_tmo, 60, 5, 180,
+	     "Maximum time to wait for task management commands to complete");
+/*
+# lpfc_use_msi: Use MSI (Message Signaled Interrupts) in systems that
+#		support this feature
+#       0  = MSI disabled
+#       1  = MSI enabled
+#       2  = MSI-X enabled (default)
+# Value range is [0,2]. Default value is 2.
+*/
+LPFC_ATTR_R(use_msi, 2, 0, 2, "Use Message Signaled Interrupts (1) or "
+	    "MSI-X (2), if possible");
+
+/*
+ * lpfc_nvme_oas: Use the oas bit when sending NVME/NVMET IOs
+ *
+ *      0  = NVME OAS disabled
+ *      1  = NVME OAS enabled
+ *
+ * Value range is [0,1]. Default value is 0.
+ */
+LPFC_ATTR_RW(nvme_oas, 0, 0, 1,
+	     "Use OAS bit on NVME IOs");
+
+/*
+ * lpfc_nvme_embed_cmd: Use the oas bit when sending NVME/NVMET IOs
+ *
+ *      0  = Put NVME Command in SGL
+ *      1  = Embed NVME Command in WQE (unless G7)
+ *      2 =  Embed NVME Command in WQE (force)
+ *
+ * Value range is [0,2]. Default value is 1.
+ */
+LPFC_ATTR_RW(nvme_embed_cmd, 1, 0, 2,
+	     "Embed NVME Command in WQE");
+
+/*
+ * lpfc_fcp_mq_threshold: Set the maximum number of Hardware Queues
+ * the driver will advertise it supports to the SCSI layer.
+ *
+ *      0    = Set nr_hw_queues by the number of CPUs or HW queues.
+ *      1,256 = Manually specify nr_hw_queue value to be advertised,
+ *
+ * Value range is [0,256]. Default value is 8.
+ */
+LPFC_ATTR_R(fcp_mq_threshold, LPFC_FCP_MQ_THRESHOLD_DEF,
+	    LPFC_FCP_MQ_THRESHOLD_MIN, LPFC_FCP_MQ_THRESHOLD_MAX,
+	    "Set the number of SCSI Queues advertised");
+
+/*
+ * lpfc_hdw_queue: Set the number of Hardware Queues the driver
+ * will advertise it supports to the NVME and  SCSI layers. This also
+ * will map to the number of CQ/WQ pairs the driver will create.
+ *
+ * The NVME Layer will try to create this many, plus 1 administrative
+ * hardware queue. The administrative queue will always map to WQ 0
+ * A hardware IO queue maps (qidx) to a specific driver CQ/WQ.
+ *
+ *      0    = Configure the number of hdw queues to the number of active CPUs.
+ *      1,256 = Manually specify how many hdw queues to use.
+ *
+ * Value range is [0,256]. Default value is 0.
+ */
+LPFC_ATTR_R(hdw_queue,
+	    LPFC_HBA_HDWQ_DEF,
+	    LPFC_HBA_HDWQ_MIN, LPFC_HBA_HDWQ_MAX,
+	    "Set the number of I/O Hardware Queues");
+
+#if IS_ENABLED(CONFIG_X86)
+/**
+ * lpfc_cpumask_irq_mode_init - initalizes cpumask of phba based on
+ *				irq_chann_mode
+ * @phba: Pointer to HBA context object.
+ **/
+static void
+lpfc_cpumask_irq_mode_init(struct lpfc_hba *phba)
+{
+	unsigned int cpu, first_cpu, numa_node = NUMA_NO_NODE;
+	const struct cpumask *sibling_mask;
+	struct cpumask *aff_mask = &phba->sli4_hba.irq_aff_mask;
+
+	cpumask_clear(aff_mask);
+
+	if (phba->irq_chann_mode == NUMA_MODE) {
+		/* Check if we're a NUMA architecture */
+		numa_node = dev_to_node(&phba->pcidev->dev);
+		if (numa_node == NUMA_NO_NODE) {
+			phba->irq_chann_mode = NORMAL_MODE;
+			return;
+		}
+	}
+
+	for_each_possible_cpu(cpu) {
+		switch (phba->irq_chann_mode) {
+		case NUMA_MODE:
+			if (cpu_to_node(cpu) == numa_node)
+				cpumask_set_cpu(cpu, aff_mask);
+			break;
+		case NHT_MODE:
+			sibling_mask = topology_sibling_cpumask(cpu);
+			first_cpu = cpumask_first(sibling_mask);
+			if (first_cpu < nr_cpu_ids)
+				cpumask_set_cpu(first_cpu, aff_mask);
+			break;
+		default:
+			break;
+		}
+	}
+}
+#endif
+
+static void
+lpfc_assign_default_irq_chann(struct lpfc_hba *phba)
+{
+#if IS_ENABLED(CONFIG_X86)
+	switch (boot_cpu_data.x86_vendor) {
+	case X86_VENDOR_AMD:
+		/* If AMD architecture, then default is NUMA_MODE */
+		phba->irq_chann_mode = NUMA_MODE;
+		break;
+	case X86_VENDOR_INTEL:
+		/* If Intel architecture, then default is no hyperthread mode */
+		phba->irq_chann_mode = NHT_MODE;
+		break;
+	default:
+		phba->irq_chann_mode = NORMAL_MODE;
+		break;
+	}
+	lpfc_cpumask_irq_mode_init(phba);
+#else
+	phba->irq_chann_mode = NORMAL_MODE;
+#endif
+}
+
+/*
+ * lpfc_irq_chann: Set the number of IRQ vectors that are available
+ * for Hardware Queues to utilize.  This also will map to the number
+ * of EQ / MSI-X vectors the driver will create. This should never be
+ * more than the number of Hardware Queues
+ *
+ *	0		= Configure number of IRQ Channels to:
+ *			  if AMD architecture, number of CPUs on HBA's NUMA node
+ *			  if Intel architecture, number of physical CPUs.
+ *			  otherwise, number of active CPUs.
+ *	[1,256]		= Manually specify how many IRQ Channels to use.
+ *
+ * Value range is [0,256]. Default value is [0].
+ */
+static uint lpfc_irq_chann = LPFC_IRQ_CHANN_DEF;
+module_param(lpfc_irq_chann, uint, 0444);
+MODULE_PARM_DESC(lpfc_irq_chann, "Set number of interrupt vectors to allocate");
+
+/* lpfc_irq_chann_init - Set the hba irq_chann initial value
+ * @phba: lpfc_hba pointer.
+ * @val: contains the initial value
+ *
+ * Description:
+ * Validates the initial value is within range and assigns it to the
+ * adapter. If not in range, an error message is posted and the
+ * default value is assigned.
+ *
+ * Returns:
+ * zero if value is in range and is set
+ * -EINVAL if value was out of range
+ **/
+static int
+lpfc_irq_chann_init(struct lpfc_hba *phba, uint32_t val)
+{
+	const struct cpumask *aff_mask;
+
+	if (phba->cfg_use_msi != 2) {
+		lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
+				"8532 use_msi = %u ignoring cfg_irq_numa\n",
+				phba->cfg_use_msi);
+		phba->irq_chann_mode = NORMAL_MODE;
+		phba->cfg_irq_chann = LPFC_IRQ_CHANN_DEF;
+		return 0;
+	}
+
+	/* Check if default setting was passed */
+	if (val == LPFC_IRQ_CHANN_DEF &&
+	    phba->cfg_hdw_queue == LPFC_HBA_HDWQ_DEF &&
+	    phba->sli_rev == LPFC_SLI_REV4)
+		lpfc_assign_default_irq_chann(phba);
+
+	if (phba->irq_chann_mode != NORMAL_MODE) {
+		aff_mask = &phba->sli4_hba.irq_aff_mask;
+
+		if (cpumask_empty(aff_mask)) {
+			lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
+					"8533 Could not identify CPUS for "
+					"mode %d, ignoring\n",
+					phba->irq_chann_mode);
+			phba->irq_chann_mode = NORMAL_MODE;
+			phba->cfg_irq_chann = LPFC_IRQ_CHANN_DEF;
+		} else {
+			phba->cfg_irq_chann = cpumask_weight(aff_mask);
+
+			/* If no hyperthread mode, then set hdwq count to
+			 * aff_mask weight as well
+			 */
+			if (phba->irq_chann_mode == NHT_MODE)
+				phba->cfg_hdw_queue = phba->cfg_irq_chann;
+
+			lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
+					"8543 lpfc_irq_chann set to %u "
+					"(mode: %d)\n", phba->cfg_irq_chann,
+					phba->irq_chann_mode);
+		}
+	} else {
+		if (val > LPFC_IRQ_CHANN_MAX) {
+			lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
+					"8545 lpfc_irq_chann attribute cannot "
+					"be set to %u, allowed range is "
+					"[%u,%u]\n",
+					val,
+					LPFC_IRQ_CHANN_MIN,
+					LPFC_IRQ_CHANN_MAX);
+			phba->cfg_irq_chann = LPFC_IRQ_CHANN_DEF;
+			return -EINVAL;
+		}
+		if (phba->sli_rev == LPFC_SLI_REV4) {
+			phba->cfg_irq_chann = val;
+		} else {
+			phba->cfg_irq_chann = 2;
+			phba->cfg_hdw_queue = 1;
+		}
+	}
+
+	return 0;
+}
+
+/**
+ * lpfc_irq_chann_show - Display value of irq_chann
+ * @dev: class converted to a Scsi_host structure.
+ * @attr: device attribute, not used.
+ * @buf: on return contains a string with the list sizes
+ *
+ * Returns: size of formatted string.
+ **/
+static ssize_t
+lpfc_irq_chann_show(struct device *dev, struct device_attribute *attr,
+		    char *buf)
+{
+	struct Scsi_Host *shost = class_to_shost(dev);
+	struct lpfc_vport *vport = (struct lpfc_vport *)shost->hostdata;
+	struct lpfc_hba *phba = vport->phba;
+
+	return scnprintf(buf, PAGE_SIZE, "%u\n", phba->cfg_irq_chann);
+}
+
+static DEVICE_ATTR_RO(lpfc_irq_chann);
+
+/*
+# lpfc_enable_hba_reset: Allow or prevent HBA resets to the hardware.
+#       0  = HBA resets disabled
+#       1  = HBA resets enabled (default)
+#       2  = HBA reset via PCI bus reset enabled
+# Value range is [0,2]. Default value is 1.
+*/
+LPFC_ATTR_RW(enable_hba_reset, 1, 0, 2, "Enable HBA resets from the driver.");
+
+/*
+# lpfc_enable_hba_heartbeat: Disable HBA heartbeat timer..
+#       0  = HBA Heartbeat disabled
+#       1  = HBA Heartbeat enabled (default)
+# Value range is [0,1]. Default value is 1.
+*/
+LPFC_ATTR_R(enable_hba_heartbeat, 0, 0, 1, "Enable HBA Heartbeat.");
+
+/*
+# lpfc_EnableXLane: Enable Express Lane Feature
+#      0x0   Express Lane Feature disabled
+#      0x1   Express Lane Feature enabled
+# Value range is [0,1]. Default value is 0.
+*/
+LPFC_ATTR_R(EnableXLane, 0, 0, 1, "Enable Express Lane Feature.");
+
+/*
+# lpfc_XLanePriority:  Define CS_CTL priority for Express Lane Feature
+#       0x0 - 0x7f  = CS_CTL field in FC header (high 7 bits)
+# Value range is [0x0,0x7f]. Default value is 0
+*/
+LPFC_ATTR_RW(XLanePriority, 0, 0x0, 0x7f, "CS_CTL for Express Lane Feature.");
+
+/*
+# lpfc_enable_bg: Enable BlockGuard (Emulex's Implementation of T10-DIF)
+#       0  = BlockGuard disabled (default)
+#       1  = BlockGuard enabled
+# Value range is [0,1]. Default value is 0.
+*/
+LPFC_ATTR_R(enable_bg, 0, 0, 1, "Enable BlockGuard Support");
+
+/*
+# lpfc_prot_mask:
+#	- Bit mask of host protection capabilities used to register with the
+#	  SCSI mid-layer
+# 	- Only meaningful if BG is turned on (lpfc_enable_bg=1).
+#	- Allows you to ultimately specify which profiles to use
+#	- Default will result in registering capabilities for all profiles.
+#	- SHOST_DIF_TYPE1_PROTECTION	1
+#		HBA supports T10 DIF Type 1: HBA to Target Type 1 Protection
+#	- SHOST_DIX_TYPE0_PROTECTION	8
+#		HBA supports DIX Type 0: Host to HBA protection only
+#	- SHOST_DIX_TYPE1_PROTECTION	16
+#		HBA supports DIX Type 1: Host to HBA  Type 1 protection
+#
+*/
+LPFC_ATTR(prot_mask,
+	(SHOST_DIF_TYPE1_PROTECTION |
+	SHOST_DIX_TYPE0_PROTECTION |
+	SHOST_DIX_TYPE1_PROTECTION),
+	0,
+	(SHOST_DIF_TYPE1_PROTECTION |
+	SHOST_DIX_TYPE0_PROTECTION |
+	SHOST_DIX_TYPE1_PROTECTION),
+	"T10-DIF host protection capabilities mask");
+
+/*
+# lpfc_prot_guard:
+#	- Bit mask of protection guard types to register with the SCSI mid-layer
+#	- Guard types are currently either 1) T10-DIF CRC 2) IP checksum
+#	- Allows you to ultimately specify which profiles to use
+#	- Default will result in registering capabilities for all guard types
+#
+*/
+LPFC_ATTR(prot_guard,
+	SHOST_DIX_GUARD_IP, SHOST_DIX_GUARD_CRC, SHOST_DIX_GUARD_IP,
+	"T10-DIF host protection guard type");
+
+/*
+ * Delay initial NPort discovery when Clean Address bit is cleared in
+ * FLOGI/FDISC accept and FCID/Fabric name/Fabric portname is changed.
+ * This parameter can have value 0 or 1.
+ * When this parameter is set to 0, no delay is added to the initial
+ * discovery.
+ * When this parameter is set to non-zero value, initial Nport discovery is
+ * delayed by ra_tov seconds when Clean Address bit is cleared in FLOGI/FDISC
+ * accept and FCID/Fabric name/Fabric portname is changed.
+ * Driver always delay Nport discovery for subsequent FLOGI/FDISC completion
+ * when Clean Address bit is cleared in FLOGI/FDISC
+ * accept and FCID/Fabric name/Fabric portname is changed.
+ * Default value is 0.
+ */
+LPFC_ATTR(delay_discovery, 0, 0, 1,
+	"Delay NPort discovery when Clean Address bit is cleared.");
+
+/*
+ * lpfc_sg_seg_cnt - Initial Maximum DMA Segment Count
+ * This value can be set to values between 64 and 4096. The default value
+ * is 64, but may be increased to allow for larger Max I/O sizes. The scsi
+ * and nvme layers will allow I/O sizes up to (MAX_SEG_COUNT * SEG_SIZE).
+ * Because of the additional overhead involved in setting up T10-DIF,
+ * this parameter will be limited to 128 if BlockGuard is enabled under SLI4
+ * and will be limited to 512 if BlockGuard is enabled under SLI3.
+ */
+static uint lpfc_sg_seg_cnt = LPFC_DEFAULT_SG_SEG_CNT;
+module_param(lpfc_sg_seg_cnt, uint, 0444);
+MODULE_PARM_DESC(lpfc_sg_seg_cnt, "Max Scatter Gather Segment Count");
+
+/**
+ * lpfc_sg_seg_cnt_show - Display the scatter/gather list sizes
+ *    configured for the adapter
+ * @dev: class converted to a Scsi_host structure.
+ * @attr: device attribute, not used.
+ * @buf: on return contains a string with the list sizes
+ *
+ * Returns: size of formatted string.
+ **/
+static ssize_t
+lpfc_sg_seg_cnt_show(struct device *dev, struct device_attribute *attr,
+		     char *buf)
+{
+	struct Scsi_Host  *shost = class_to_shost(dev);
+	struct lpfc_vport *vport = (struct lpfc_vport *)shost->hostdata;
+	struct lpfc_hba   *phba = vport->phba;
+	int len;
+
+	len = scnprintf(buf, PAGE_SIZE, "SGL sz: %d  total SGEs: %d\n",
+		       phba->cfg_sg_dma_buf_size, phba->cfg_total_seg_cnt);
+
+	len += scnprintf(buf + len, PAGE_SIZE - len,
+			"Cfg: %d  SCSI: %d  NVME: %d\n",
+			phba->cfg_sg_seg_cnt, phba->cfg_scsi_seg_cnt,
+			phba->cfg_nvme_seg_cnt);
+	return len;
+}
+
+static DEVICE_ATTR_RO(lpfc_sg_seg_cnt);
+
+/**
+ * lpfc_sg_seg_cnt_init - Set the hba sg_seg_cnt initial value
+ * @phba: lpfc_hba pointer.
+ * @val: contains the initial value
+ *
+ * Description:
+ * Validates the initial value is within range and assigns it to the
+ * adapter. If not in range, an error message is posted and the
+ * default value is assigned.
+ *
+ * Returns:
+ * zero if value is in range and is set
+ * -EINVAL if value was out of range
+ **/
+static int
+lpfc_sg_seg_cnt_init(struct lpfc_hba *phba, int val)
+{
+	if (val >= LPFC_MIN_SG_SEG_CNT && val <= LPFC_MAX_SG_SEG_CNT) {
+		phba->cfg_sg_seg_cnt = val;
+		return 0;
+	}
+	lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+			"0409 lpfc_sg_seg_cnt attribute cannot be set to %d, "
+			"allowed range is [%d, %d]\n",
+			val, LPFC_MIN_SG_SEG_CNT, LPFC_MAX_SG_SEG_CNT);
+	phba->cfg_sg_seg_cnt = LPFC_DEFAULT_SG_SEG_CNT;
+	return -EINVAL;
+}
+
+/*
+ * lpfc_enable_mds_diags: Enable MDS Diagnostics
+ *       0  = MDS Diagnostics disabled (default)
+ *       1  = MDS Diagnostics enabled
+ * Value range is [0,1]. Default value is 0.
+ */
+LPFC_ATTR_RW(enable_mds_diags, 0, 0, 1, "Enable MDS Diagnostics");
+
+/*
+ * lpfc_ras_fwlog_buffsize: Firmware logging host buffer size
+ *	0 = Disable firmware logging (default)
+ *	[1-4] = Multiple of 1/4th Mb of host memory for FW logging
+ * Value range [0..4]. Default value is 0
+ */
+LPFC_ATTR(ras_fwlog_buffsize, 0, 0, 4, "Host memory for FW logging");
+lpfc_param_show(ras_fwlog_buffsize);
+
+static ssize_t
+lpfc_ras_fwlog_buffsize_set(struct lpfc_hba  *phba, uint val)
+{
+	int ret = 0;
+	enum ras_state state;
+
+	if (!lpfc_rangecheck(val, 0, 4))
+		return -EINVAL;
+
+	if (phba->cfg_ras_fwlog_buffsize == val)
+		return 0;
+
+	if (phba->cfg_ras_fwlog_func != PCI_FUNC(phba->pcidev->devfn))
+		return -EINVAL;
+
+	spin_lock_irq(&phba->hbalock);
+	state = phba->ras_fwlog.state;
+	spin_unlock_irq(&phba->hbalock);
+
+	if (state == REG_INPROGRESS) {
+		lpfc_printf_log(phba, KERN_ERR, LOG_SLI, "6147 RAS Logging "
+				"registration is in progress\n");
+		return -EBUSY;
+	}
+
+	/* For disable logging: stop the logs and free the DMA.
+	 * For ras_fwlog_buffsize size change we still need to free and
+	 * reallocate the DMA in lpfc_sli4_ras_fwlog_init.
+	 */
+	phba->cfg_ras_fwlog_buffsize = val;
+	if (state == ACTIVE) {
+		lpfc_ras_stop_fwlog(phba);
+		lpfc_sli4_ras_dma_free(phba);
+	}
+
+	lpfc_sli4_ras_init(phba);
+	if (phba->ras_fwlog.ras_enabled)
+		ret = lpfc_sli4_ras_fwlog_init(phba, phba->cfg_ras_fwlog_level,
+					       LPFC_RAS_ENABLE_LOGGING);
+	return ret;
+}
+
+lpfc_param_store(ras_fwlog_buffsize);
+static DEVICE_ATTR_RW(lpfc_ras_fwlog_buffsize);
+
+/*
+ * lpfc_ras_fwlog_level: Firmware logging verbosity level
+ * Valid only if firmware logging is enabled
+ * 0(Least Verbosity) 4 (most verbosity)
+ * Value range is [0..4]. Default value is 0
+ */
+LPFC_ATTR_RW(ras_fwlog_level, 0, 0, 4, "Firmware Logging Level");
+
+/*
+ * lpfc_ras_fwlog_func: Firmware logging enabled on function number
+ * Default function which has RAS support : 0
+ * Value Range is [0..7].
+ * FW logging is a global action and enablement is via a specific
+ * port.
+ */
+LPFC_ATTR_RW(ras_fwlog_func, 0, 0, 7, "Firmware Logging Enabled on Function");
+
+/*
+ * lpfc_enable_bbcr: Enable BB Credit Recovery
+ *       0  = BB Credit Recovery disabled
+ *       1  = BB Credit Recovery enabled (default)
+ * Value range is [0,1]. Default value is 1.
+ */
+LPFC_BBCR_ATTR_RW(enable_bbcr, 1, 0, 1, "Enable BBC Recovery");
+
+/* Signaling module parameters */
+int lpfc_fabric_cgn_frequency = 100; /* 100 ms default */
+module_param(lpfc_fabric_cgn_frequency, int, 0444);
+MODULE_PARM_DESC(lpfc_fabric_cgn_frequency, "Congestion signaling fabric freq");
+
+unsigned char lpfc_acqe_cgn_frequency = 10; /* 10 sec default */
+module_param(lpfc_acqe_cgn_frequency, byte, 0444);
+MODULE_PARM_DESC(lpfc_acqe_cgn_frequency, "Congestion signaling ACQE freq");
+
+int lpfc_use_cgn_signal = 1; /* 0 - only use FPINs, 1 - Use signals if avail  */
+module_param(lpfc_use_cgn_signal, int, 0444);
+MODULE_PARM_DESC(lpfc_use_cgn_signal, "Use Congestion signaling if available");
+
+/*
+ * lpfc_enable_dpp: Enable DPP on G7
+ *       0  = DPP on G7 disabled
+ *       1  = DPP on G7 enabled (default)
+ * Value range is [0,1]. Default value is 1.
+ */
+LPFC_ATTR_RW(enable_dpp, 1, 0, 1, "Enable Direct Packet Push");
+
+/*
+ * lpfc_enable_mi: Enable FDMI MIB
+ *       0  = disabled
+ *       1  = enabled (default)
+ * Value range is [0,1].
+ */
+LPFC_ATTR_R(enable_mi, 1, 0, 1, "Enable MI");
+
+/*
+ * lpfc_max_vmid: Maximum number of VMs to be tagged. This is valid only if
+ * either vmid_app_header or vmid_priority_tagging is enabled.
+ *       4 - 255  = vmid support enabled for 4-255 VMs
+ *       Value range is [4,255].
+ */
+LPFC_ATTR_RW(max_vmid, LPFC_MIN_VMID, LPFC_MIN_VMID, LPFC_MAX_VMID,
+	     "Maximum number of VMs supported");
+
+/*
+ * lpfc_vmid_inactivity_timeout: Inactivity timeout duration in hours
+ *       0  = Timeout is disabled
+ * Value range is [0,24].
+ */
+LPFC_ATTR_RW(vmid_inactivity_timeout, 4, 0, 24,
+	     "Inactivity timeout in hours");
+
+/*
+ * lpfc_vmid_app_header: Enable App Header VMID support
+ *       0  = Support is disabled (default)
+ *       1  = Support is enabled
+ * Value range is [0,1].
+ */
+LPFC_ATTR_RW(vmid_app_header, LPFC_VMID_APP_HEADER_DISABLE,
+	     LPFC_VMID_APP_HEADER_DISABLE, LPFC_VMID_APP_HEADER_ENABLE,
+	     "Enable App Header VMID support");
+
+/*
+ * lpfc_vmid_priority_tagging: Enable Priority Tagging VMID support
+ *       0  = Support is disabled (default)
+ *       1  = Allow supported targets only
+ *       2  = Allow all targets
+ * Value range is [0,2].
+ */
+LPFC_ATTR_RW(vmid_priority_tagging, LPFC_VMID_PRIO_TAG_DISABLE,
+	     LPFC_VMID_PRIO_TAG_DISABLE,
+	     LPFC_VMID_PRIO_TAG_ALL_TARGETS,
+	     "Enable Priority Tagging VMID support");
+
+static struct attribute *lpfc_hba_attrs[] = {
+	&dev_attr_nvme_info.attr,
+	&dev_attr_scsi_stat.attr,
+	&dev_attr_bg_info.attr,
+	&dev_attr_bg_guard_err.attr,
+	&dev_attr_bg_apptag_err.attr,
+	&dev_attr_bg_reftag_err.attr,
+	&dev_attr_info.attr,
+	&dev_attr_serialnum.attr,
+	&dev_attr_modeldesc.attr,
+	&dev_attr_modelname.attr,
+	&dev_attr_programtype.attr,
+	&dev_attr_portnum.attr,
+	&dev_attr_fwrev.attr,
+	&dev_attr_hdw.attr,
+	&dev_attr_option_rom_version.attr,
+	&dev_attr_link_state.attr,
+	&dev_attr_num_discovered_ports.attr,
+	&dev_attr_lpfc_drvr_version.attr,
+	&dev_attr_lpfc_enable_fip.attr,
+	&dev_attr_lpfc_temp_sensor.attr,
+	&dev_attr_lpfc_log_verbose.attr,
+	&dev_attr_lpfc_lun_queue_depth.attr,
+	&dev_attr_lpfc_tgt_queue_depth.attr,
+	&dev_attr_lpfc_hba_queue_depth.attr,
+	&dev_attr_lpfc_peer_port_login.attr,
+	&dev_attr_lpfc_nodev_tmo.attr,
+	&dev_attr_lpfc_devloss_tmo.attr,
+	&dev_attr_lpfc_enable_fc4_type.attr,
+	&dev_attr_lpfc_fcp_class.attr,
+	&dev_attr_lpfc_use_adisc.attr,
+	&dev_attr_lpfc_first_burst_size.attr,
+	&dev_attr_lpfc_ack0.attr,
+	&dev_attr_lpfc_xri_rebalancing.attr,
+	&dev_attr_lpfc_topology.attr,
+	&dev_attr_lpfc_scan_down.attr,
+	&dev_attr_lpfc_link_speed.attr,
+	&dev_attr_lpfc_fcp_io_sched.attr,
+	&dev_attr_lpfc_ns_query.attr,
+	&dev_attr_lpfc_fcp2_no_tgt_reset.attr,
+	&dev_attr_lpfc_cr_delay.attr,
+	&dev_attr_lpfc_cr_count.attr,
+	&dev_attr_lpfc_multi_ring_support.attr,
+	&dev_attr_lpfc_multi_ring_rctl.attr,
+	&dev_attr_lpfc_multi_ring_type.attr,
+	&dev_attr_lpfc_fdmi_on.attr,
+	&dev_attr_lpfc_enable_SmartSAN.attr,
+	&dev_attr_lpfc_max_luns.attr,
+	&dev_attr_lpfc_enable_npiv.attr,
+	&dev_attr_lpfc_fcf_failover_policy.attr,
+	&dev_attr_lpfc_enable_rrq.attr,
+	&dev_attr_lpfc_fcp_wait_abts_rsp.attr,
+	&dev_attr_nport_evt_cnt.attr,
+	&dev_attr_board_mode.attr,
+	&dev_attr_lpfc_xcvr_data.attr,
+	&dev_attr_max_vpi.attr,
+	&dev_attr_used_vpi.attr,
+	&dev_attr_max_rpi.attr,
+	&dev_attr_used_rpi.attr,
+	&dev_attr_max_xri.attr,
+	&dev_attr_used_xri.attr,
+	&dev_attr_npiv_info.attr,
+	&dev_attr_issue_reset.attr,
+	&dev_attr_lpfc_poll.attr,
+	&dev_attr_lpfc_poll_tmo.attr,
+	&dev_attr_lpfc_task_mgmt_tmo.attr,
+	&dev_attr_lpfc_use_msi.attr,
+	&dev_attr_lpfc_nvme_oas.attr,
+	&dev_attr_lpfc_nvme_embed_cmd.attr,
+	&dev_attr_lpfc_fcp_imax.attr,
+	&dev_attr_lpfc_force_rscn.attr,
+	&dev_attr_lpfc_cq_poll_threshold.attr,
+	&dev_attr_lpfc_cq_max_proc_limit.attr,
+	&dev_attr_lpfc_fcp_cpu_map.attr,
+	&dev_attr_lpfc_fcp_mq_threshold.attr,
+	&dev_attr_lpfc_hdw_queue.attr,
+	&dev_attr_lpfc_irq_chann.attr,
+	&dev_attr_lpfc_suppress_rsp.attr,
+	&dev_attr_lpfc_nvmet_mrq.attr,
+	&dev_attr_lpfc_nvmet_mrq_post.attr,
+	&dev_attr_lpfc_nvme_enable_fb.attr,
+	&dev_attr_lpfc_nvmet_fb_size.attr,
+	&dev_attr_lpfc_enable_bg.attr,
+	&dev_attr_lpfc_enable_hba_reset.attr,
+	&dev_attr_lpfc_enable_hba_heartbeat.attr,
+	&dev_attr_lpfc_EnableXLane.attr,
+	&dev_attr_lpfc_XLanePriority.attr,
+	&dev_attr_lpfc_xlane_lun.attr,
+	&dev_attr_lpfc_xlane_tgt.attr,
+	&dev_attr_lpfc_xlane_vpt.attr,
+	&dev_attr_lpfc_xlane_lun_state.attr,
+	&dev_attr_lpfc_xlane_lun_status.attr,
+	&dev_attr_lpfc_xlane_priority.attr,
+	&dev_attr_lpfc_sg_seg_cnt.attr,
+	&dev_attr_lpfc_max_scsicmpl_time.attr,
+	&dev_attr_lpfc_aer_support.attr,
+	&dev_attr_lpfc_aer_state_cleanup.attr,
+	&dev_attr_lpfc_sriov_nr_virtfn.attr,
+	&dev_attr_lpfc_req_fw_upgrade.attr,
+	&dev_attr_lpfc_suppress_link_up.attr,
+	&dev_attr_iocb_hw.attr,
+	&dev_attr_pls.attr,
+	&dev_attr_pt.attr,
+	&dev_attr_txq_hw.attr,
+	&dev_attr_txcmplq_hw.attr,
+	&dev_attr_lpfc_sriov_hw_max_virtfn.attr,
+	&dev_attr_protocol.attr,
+	&dev_attr_lpfc_xlane_supported.attr,
+	&dev_attr_lpfc_enable_mds_diags.attr,
+	&dev_attr_lpfc_ras_fwlog_buffsize.attr,
+	&dev_attr_lpfc_ras_fwlog_level.attr,
+	&dev_attr_lpfc_ras_fwlog_func.attr,
+	&dev_attr_lpfc_enable_bbcr.attr,
+	&dev_attr_lpfc_enable_dpp.attr,
+	&dev_attr_lpfc_enable_mi.attr,
+	&dev_attr_cmf_info.attr,
+	&dev_attr_lpfc_max_vmid.attr,
+	&dev_attr_lpfc_vmid_inactivity_timeout.attr,
+	&dev_attr_lpfc_vmid_app_header.attr,
+	&dev_attr_lpfc_vmid_priority_tagging.attr,
+	NULL,
+};
+
+static const struct attribute_group lpfc_hba_attr_group = {
+	.attrs = lpfc_hba_attrs
+};
+
+const struct attribute_group *lpfc_hba_groups[] = {
+	&lpfc_hba_attr_group,
+	NULL
+};
+
+static struct attribute *lpfc_vport_attrs[] = {
+	&dev_attr_info.attr,
+	&dev_attr_link_state.attr,
+	&dev_attr_num_discovered_ports.attr,
+	&dev_attr_lpfc_drvr_version.attr,
+	&dev_attr_lpfc_log_verbose.attr,
+	&dev_attr_lpfc_lun_queue_depth.attr,
+	&dev_attr_lpfc_tgt_queue_depth.attr,
+	&dev_attr_lpfc_nodev_tmo.attr,
+	&dev_attr_lpfc_devloss_tmo.attr,
+	&dev_attr_lpfc_hba_queue_depth.attr,
+	&dev_attr_lpfc_peer_port_login.attr,
+	&dev_attr_lpfc_restrict_login.attr,
+	&dev_attr_lpfc_fcp_class.attr,
+	&dev_attr_lpfc_use_adisc.attr,
+	&dev_attr_lpfc_first_burst_size.attr,
+	&dev_attr_lpfc_max_luns.attr,
+	&dev_attr_nport_evt_cnt.attr,
+	&dev_attr_npiv_info.attr,
+	&dev_attr_lpfc_enable_da_id.attr,
+	&dev_attr_lpfc_max_scsicmpl_time.attr,
+	&dev_attr_lpfc_static_vport.attr,
+	&dev_attr_cmf_info.attr,
+	NULL,
+};
+
+static const struct attribute_group lpfc_vport_attr_group = {
+	.attrs = lpfc_vport_attrs
+};
+
+const struct attribute_group *lpfc_vport_groups[] = {
+	&lpfc_vport_attr_group,
+	NULL
+};
+
+/**
+ * sysfs_ctlreg_write - Write method for writing to ctlreg
+ * @filp: open sysfs file
+ * @kobj: kernel kobject that contains the kernel class device.
+ * @bin_attr: kernel attributes passed to us.
+ * @buf: contains the data to be written to the adapter IOREG space.
+ * @off: offset into buffer to beginning of data.
+ * @count: bytes to transfer.
+ *
+ * Description:
+ * Accessed via /sys/class/scsi_host/hostxxx/ctlreg.
+ * Uses the adapter io control registers to send buf contents to the adapter.
+ *
+ * Returns:
+ * -ERANGE off and count combo out of range
+ * -EINVAL off, count or buff address invalid
+ * -EPERM adapter is offline
+ * value of count, buf contents written
+ **/
+static ssize_t
+sysfs_ctlreg_write(struct file *filp, struct kobject *kobj,
+		   struct bin_attribute *bin_attr,
+		   char *buf, loff_t off, size_t count)
+{
+	size_t buf_off;
+	struct device *dev = container_of(kobj, struct device, kobj);
+	struct Scsi_Host  *shost = class_to_shost(dev);
+	struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
+	struct lpfc_hba   *phba = vport->phba;
+
+	if (phba->sli_rev >= LPFC_SLI_REV4)
+		return -EPERM;
+
+	if ((off + count) > FF_REG_AREA_SIZE)
+		return -ERANGE;
+
+	if (count <= LPFC_REG_WRITE_KEY_SIZE)
+		return 0;
+
+	if (off % 4 || count % 4 || (unsigned long)buf % 4)
+		return -EINVAL;
+
+	/* This is to protect HBA registers from accidental writes. */
+	if (memcmp(buf, LPFC_REG_WRITE_KEY, LPFC_REG_WRITE_KEY_SIZE))
+		return -EINVAL;
+
+	if (!(vport->fc_flag & FC_OFFLINE_MODE))
+		return -EPERM;
+
+	spin_lock_irq(&phba->hbalock);
+	for (buf_off = 0; buf_off < count - LPFC_REG_WRITE_KEY_SIZE;
+			buf_off += sizeof(uint32_t))
+		writel(*((uint32_t *)(buf + buf_off + LPFC_REG_WRITE_KEY_SIZE)),
+		       phba->ctrl_regs_memmap_p + off + buf_off);
+
+	spin_unlock_irq(&phba->hbalock);
+
+	return count;
+}
+
+/**
+ * sysfs_ctlreg_read - Read method for reading from ctlreg
+ * @filp: open sysfs file
+ * @kobj: kernel kobject that contains the kernel class device.
+ * @bin_attr: kernel attributes passed to us.
+ * @buf: if successful contains the data from the adapter IOREG space.
+ * @off: offset into buffer to beginning of data.
+ * @count: bytes to transfer.
+ *
+ * Description:
+ * Accessed via /sys/class/scsi_host/hostxxx/ctlreg.
+ * Uses the adapter io control registers to read data into buf.
+ *
+ * Returns:
+ * -ERANGE off and count combo out of range
+ * -EINVAL off, count or buff address invalid
+ * value of count, buf contents read
+ **/
+static ssize_t
+sysfs_ctlreg_read(struct file *filp, struct kobject *kobj,
+		  struct bin_attribute *bin_attr,
+		  char *buf, loff_t off, size_t count)
+{
+	size_t buf_off;
+	uint32_t * tmp_ptr;
+	struct device *dev = container_of(kobj, struct device, kobj);
+	struct Scsi_Host  *shost = class_to_shost(dev);
+	struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
+	struct lpfc_hba   *phba = vport->phba;
+
+	if (phba->sli_rev >= LPFC_SLI_REV4)
+		return -EPERM;
+
+	if (off > FF_REG_AREA_SIZE)
+		return -ERANGE;
+
+	if ((off + count) > FF_REG_AREA_SIZE)
+		count = FF_REG_AREA_SIZE - off;
+
+	if (count == 0) return 0;
+
+	if (off % 4 || count % 4 || (unsigned long)buf % 4)
+		return -EINVAL;
+
+	spin_lock_irq(&phba->hbalock);
+
+	for (buf_off = 0; buf_off < count; buf_off += sizeof(uint32_t)) {
+		tmp_ptr = (uint32_t *)(buf + buf_off);
+		*tmp_ptr = readl(phba->ctrl_regs_memmap_p + off + buf_off);
+	}
+
+	spin_unlock_irq(&phba->hbalock);
+
+	return count;
+}
+
+static struct bin_attribute sysfs_ctlreg_attr = {
+	.attr = {
+		.name = "ctlreg",
+		.mode = S_IRUSR | S_IWUSR,
+	},
+	.size = 256,
+	.read = sysfs_ctlreg_read,
+	.write = sysfs_ctlreg_write,
+};
+
+/**
+ * sysfs_mbox_write - Write method for writing information via mbox
+ * @filp: open sysfs file
+ * @kobj: kernel kobject that contains the kernel class device.
+ * @bin_attr: kernel attributes passed to us.
+ * @buf: contains the data to be written to sysfs mbox.
+ * @off: offset into buffer to beginning of data.
+ * @count: bytes to transfer.
+ *
+ * Description:
+ * Deprecated function. All mailbox access from user space is performed via the
+ * bsg interface.
+ *
+ * Returns:
+ * -EPERM operation not permitted
+ **/
+static ssize_t
+sysfs_mbox_write(struct file *filp, struct kobject *kobj,
+		 struct bin_attribute *bin_attr,
+		 char *buf, loff_t off, size_t count)
+{
+	return -EPERM;
+}
+
+/**
+ * sysfs_mbox_read - Read method for reading information via mbox
+ * @filp: open sysfs file
+ * @kobj: kernel kobject that contains the kernel class device.
+ * @bin_attr: kernel attributes passed to us.
+ * @buf: contains the data to be read from sysfs mbox.
+ * @off: offset into buffer to beginning of data.
+ * @count: bytes to transfer.
+ *
+ * Description:
+ * Deprecated function. All mailbox access from user space is performed via the
+ * bsg interface.
+ *
+ * Returns:
+ * -EPERM operation not permitted
+ **/
+static ssize_t
+sysfs_mbox_read(struct file *filp, struct kobject *kobj,
+		struct bin_attribute *bin_attr,
+		char *buf, loff_t off, size_t count)
+{
+	return -EPERM;
+}
+
+static struct bin_attribute sysfs_mbox_attr = {
+	.attr = {
+		.name = "mbox",
+		.mode = S_IRUSR | S_IWUSR,
+	},
+	.size = MAILBOX_SYSFS_MAX,
+	.read = sysfs_mbox_read,
+	.write = sysfs_mbox_write,
+};
+
+/**
+ * lpfc_alloc_sysfs_attr - Creates the ctlreg and mbox entries
+ * @vport: address of lpfc vport structure.
+ *
+ * Return codes:
+ * zero on success
+ * error return code from sysfs_create_bin_file()
+ **/
+int
+lpfc_alloc_sysfs_attr(struct lpfc_vport *vport)
+{
+	struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
+	int error;
+
+	/* Virtual ports do not need ctrl_reg and mbox */
+	if (vport->port_type == LPFC_NPIV_PORT)
+		return 0;
+
+	error = sysfs_create_bin_file(&shost->shost_dev.kobj,
+				      &sysfs_ctlreg_attr);
+	if (error)
+		goto out;
+
+	error = sysfs_create_bin_file(&shost->shost_dev.kobj,
+				      &sysfs_mbox_attr);
+	if (error)
+		goto out_remove_ctlreg_attr;
+
+	return 0;
+out_remove_ctlreg_attr:
+	sysfs_remove_bin_file(&shost->shost_dev.kobj, &sysfs_ctlreg_attr);
+out:
+	return error;
+}
+
+/**
+ * lpfc_free_sysfs_attr - Removes the ctlreg and mbox entries
+ * @vport: address of lpfc vport structure.
+ **/
+void
+lpfc_free_sysfs_attr(struct lpfc_vport *vport)
+{
+	struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
+
+	/* Virtual ports do not need ctrl_reg and mbox */
+	if (vport->port_type == LPFC_NPIV_PORT)
+		return;
+	sysfs_remove_bin_file(&shost->shost_dev.kobj, &sysfs_mbox_attr);
+	sysfs_remove_bin_file(&shost->shost_dev.kobj, &sysfs_ctlreg_attr);
+}
+
+/*
+ * Dynamic FC Host Attributes Support
+ */
+
+/**
+ * lpfc_get_host_symbolic_name - Copy symbolic name into the scsi host
+ * @shost: kernel scsi host pointer.
+ **/
+static void
+lpfc_get_host_symbolic_name(struct Scsi_Host *shost)
+{
+	struct lpfc_vport *vport = (struct lpfc_vport *)shost->hostdata;
+
+	lpfc_vport_symbolic_node_name(vport, fc_host_symbolic_name(shost),
+				      sizeof fc_host_symbolic_name(shost));
+}
+
+/**
+ * lpfc_get_host_port_id - Copy the vport DID into the scsi host port id
+ * @shost: kernel scsi host pointer.
+ **/
+static void
+lpfc_get_host_port_id(struct Scsi_Host *shost)
+{
+	struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
+
+	/* note: fc_myDID already in cpu endianness */
+	fc_host_port_id(shost) = vport->fc_myDID;
+}
+
+/**
+ * lpfc_get_host_port_type - Set the value of the scsi host port type
+ * @shost: kernel scsi host pointer.
+ **/
+static void
+lpfc_get_host_port_type(struct Scsi_Host *shost)
+{
+	struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
+	struct lpfc_hba   *phba = vport->phba;
+
+	spin_lock_irq(shost->host_lock);
+
+	if (vport->port_type == LPFC_NPIV_PORT) {
+		fc_host_port_type(shost) = FC_PORTTYPE_NPIV;
+	} else if (lpfc_is_link_up(phba)) {
+		if (phba->fc_topology == LPFC_TOPOLOGY_LOOP) {
+			if (vport->fc_flag & FC_PUBLIC_LOOP)
+				fc_host_port_type(shost) = FC_PORTTYPE_NLPORT;
+			else
+				fc_host_port_type(shost) = FC_PORTTYPE_LPORT;
+		} else {
+			if (vport->fc_flag & FC_FABRIC)
+				fc_host_port_type(shost) = FC_PORTTYPE_NPORT;
+			else
+				fc_host_port_type(shost) = FC_PORTTYPE_PTP;
+		}
+	} else
+		fc_host_port_type(shost) = FC_PORTTYPE_UNKNOWN;
+
+	spin_unlock_irq(shost->host_lock);
+}
+
+/**
+ * lpfc_get_host_port_state - Set the value of the scsi host port state
+ * @shost: kernel scsi host pointer.
+ **/
+static void
+lpfc_get_host_port_state(struct Scsi_Host *shost)
+{
+	struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
+	struct lpfc_hba   *phba = vport->phba;
+
+	spin_lock_irq(shost->host_lock);
+
+	if (vport->fc_flag & FC_OFFLINE_MODE)
+		fc_host_port_state(shost) = FC_PORTSTATE_OFFLINE;
+	else {
+		switch (phba->link_state) {
+		case LPFC_LINK_UNKNOWN:
+		case LPFC_LINK_DOWN:
+			fc_host_port_state(shost) = FC_PORTSTATE_LINKDOWN;
+			break;
+		case LPFC_LINK_UP:
+		case LPFC_CLEAR_LA:
+		case LPFC_HBA_READY:
+			/* Links up, reports port state accordingly */
+			if (vport->port_state < LPFC_VPORT_READY)
+				fc_host_port_state(shost) =
+							FC_PORTSTATE_BYPASSED;
+			else
+				fc_host_port_state(shost) =
+							FC_PORTSTATE_ONLINE;
+			break;
+		case LPFC_HBA_ERROR:
+			fc_host_port_state(shost) = FC_PORTSTATE_ERROR;
+			break;
+		default:
+			fc_host_port_state(shost) = FC_PORTSTATE_UNKNOWN;
+			break;
+		}
+	}
+
+	spin_unlock_irq(shost->host_lock);
+}
+
+/**
+ * lpfc_get_host_speed - Set the value of the scsi host speed
+ * @shost: kernel scsi host pointer.
+ **/
+static void
+lpfc_get_host_speed(struct Scsi_Host *shost)
+{
+	struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
+	struct lpfc_hba   *phba = vport->phba;
+
+	spin_lock_irq(shost->host_lock);
+
+	if ((lpfc_is_link_up(phba)) && (!(phba->hba_flag & HBA_FCOE_MODE))) {
+		switch(phba->fc_linkspeed) {
+		case LPFC_LINK_SPEED_1GHZ:
+			fc_host_speed(shost) = FC_PORTSPEED_1GBIT;
+			break;
+		case LPFC_LINK_SPEED_2GHZ:
+			fc_host_speed(shost) = FC_PORTSPEED_2GBIT;
+			break;
+		case LPFC_LINK_SPEED_4GHZ:
+			fc_host_speed(shost) = FC_PORTSPEED_4GBIT;
+			break;
+		case LPFC_LINK_SPEED_8GHZ:
+			fc_host_speed(shost) = FC_PORTSPEED_8GBIT;
+			break;
+		case LPFC_LINK_SPEED_10GHZ:
+			fc_host_speed(shost) = FC_PORTSPEED_10GBIT;
+			break;
+		case LPFC_LINK_SPEED_16GHZ:
+			fc_host_speed(shost) = FC_PORTSPEED_16GBIT;
+			break;
+		case LPFC_LINK_SPEED_32GHZ:
+			fc_host_speed(shost) = FC_PORTSPEED_32GBIT;
+			break;
+		case LPFC_LINK_SPEED_64GHZ:
+			fc_host_speed(shost) = FC_PORTSPEED_64GBIT;
+			break;
+		case LPFC_LINK_SPEED_128GHZ:
+			fc_host_speed(shost) = FC_PORTSPEED_128GBIT;
+			break;
+		case LPFC_LINK_SPEED_256GHZ:
+			fc_host_speed(shost) = FC_PORTSPEED_256GBIT;
+			break;
+		default:
+			fc_host_speed(shost) = FC_PORTSPEED_UNKNOWN;
+			break;
+		}
+	} else if (lpfc_is_link_up(phba) && (phba->hba_flag & HBA_FCOE_MODE)) {
+		switch (phba->fc_linkspeed) {
+		case LPFC_ASYNC_LINK_SPEED_1GBPS:
+			fc_host_speed(shost) = FC_PORTSPEED_1GBIT;
+			break;
+		case LPFC_ASYNC_LINK_SPEED_10GBPS:
+			fc_host_speed(shost) = FC_PORTSPEED_10GBIT;
+			break;
+		case LPFC_ASYNC_LINK_SPEED_20GBPS:
+			fc_host_speed(shost) = FC_PORTSPEED_20GBIT;
+			break;
+		case LPFC_ASYNC_LINK_SPEED_25GBPS:
+			fc_host_speed(shost) = FC_PORTSPEED_25GBIT;
+			break;
+		case LPFC_ASYNC_LINK_SPEED_40GBPS:
+			fc_host_speed(shost) = FC_PORTSPEED_40GBIT;
+			break;
+		case LPFC_ASYNC_LINK_SPEED_100GBPS:
+			fc_host_speed(shost) = FC_PORTSPEED_100GBIT;
+			break;
+		default:
+			fc_host_speed(shost) = FC_PORTSPEED_UNKNOWN;
+			break;
+		}
+	} else
+		fc_host_speed(shost) = FC_PORTSPEED_UNKNOWN;
+
+	spin_unlock_irq(shost->host_lock);
+}
+
+/**
+ * lpfc_get_host_fabric_name - Set the value of the scsi host fabric name
+ * @shost: kernel scsi host pointer.
+ **/
+static void
+lpfc_get_host_fabric_name (struct Scsi_Host *shost)
+{
+	struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
+	struct lpfc_hba   *phba = vport->phba;
+	u64 node_name;
+
+	spin_lock_irq(shost->host_lock);
+
+	if ((vport->port_state > LPFC_FLOGI) &&
+	    ((vport->fc_flag & FC_FABRIC) ||
+	     ((phba->fc_topology == LPFC_TOPOLOGY_LOOP) &&
+	      (vport->fc_flag & FC_PUBLIC_LOOP))))
+		node_name = wwn_to_u64(phba->fc_fabparam.nodeName.u.wwn);
+	else
+		/* fabric is local port if there is no F/FL_Port */
+		node_name = 0;
+
+	spin_unlock_irq(shost->host_lock);
+
+	fc_host_fabric_name(shost) = node_name;
+}
+
+/**
+ * lpfc_get_stats - Return statistical information about the adapter
+ * @shost: kernel scsi host pointer.
+ *
+ * Notes:
+ * NULL on error for link down, no mbox pool, sli2 active,
+ * management not allowed, memory allocation error, or mbox error.
+ *
+ * Returns:
+ * NULL for error
+ * address of the adapter host statistics
+ **/
+static struct fc_host_statistics *
+lpfc_get_stats(struct Scsi_Host *shost)
+{
+	struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
+	struct lpfc_hba   *phba = vport->phba;
+	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;
+	int rc = 0;
+
+	/*
+	 * prevent udev from issuing mailbox commands until the port is
+	 * configured.
+	 */
+	if (phba->link_state < LPFC_LINK_DOWN ||
+	    !phba->mbox_mem_pool ||
+	    (phba->sli.sli_flag & LPFC_SLI_ACTIVE) == 0)
+		return NULL;
+
+	if (phba->sli.sli_flag & LPFC_BLOCK_MGMT_IO)
+		return NULL;
+
+	pmboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
+	if (!pmboxq)
+		return NULL;
+	memset(pmboxq, 0, sizeof (LPFC_MBOXQ_t));
+
+	pmb = &pmboxq->u.mb;
+	pmb->mbxCommand = MBX_READ_STATUS;
+	pmb->mbxOwner = OWN_HOST;
+	pmboxq->ctx_buf = NULL;
+	pmboxq->vport = vport;
+
+	if (vport->fc_flag & FC_OFFLINE_MODE) {
+		rc = lpfc_sli_issue_mbox(phba, pmboxq, MBX_POLL);
+		if (rc != MBX_SUCCESS) {
+			mempool_free(pmboxq, phba->mbox_mem_pool);
+			return NULL;
+		}
+	} else {
+		rc = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2);
+		if (rc != MBX_SUCCESS) {
+			if (rc != MBX_TIMEOUT)
+				mempool_free(pmboxq, phba->mbox_mem_pool);
+			return NULL;
+		}
+	}
+
+	memset(hs, 0, sizeof (struct fc_host_statistics));
+
+	hs->tx_frames = pmb->un.varRdStatus.xmitFrameCnt;
+	hs->rx_frames = pmb->un.varRdStatus.rcvFrameCnt;
+
+	/*
+	 * The MBX_READ_STATUS returns tx_k_bytes which has to be
+	 * converted to words.
+	 *
+	 * Check if extended byte flag is set, to know when to collect upper
+	 * bits of 64 bit wide statistics counter.
+	 */
+	if (pmb->un.varRdStatus.xkb & RD_ST_XKB) {
+		hs->tx_words = (u64)
+			       ((((u64)(pmb->un.varRdStatus.xmit_xkb &
+					RD_ST_XMIT_XKB_MASK) << 32) |
+				(u64)pmb->un.varRdStatus.xmitByteCnt) *
+				(u64)256);
+		hs->rx_words = (u64)
+			       ((((u64)(pmb->un.varRdStatus.rcv_xkb &
+					RD_ST_RCV_XKB_MASK) << 32) |
+				(u64)pmb->un.varRdStatus.rcvByteCnt) *
+				(u64)256);
+	} else {
+		hs->tx_words = (uint64_t)
+				((uint64_t)pmb->un.varRdStatus.xmitByteCnt
+				* (uint64_t)256);
+		hs->rx_words = (uint64_t)
+				((uint64_t)pmb->un.varRdStatus.rcvByteCnt
+				 * (uint64_t)256);
+	}
+
+	memset(pmboxq, 0, sizeof (LPFC_MBOXQ_t));
+	pmb->mbxCommand = MBX_READ_LNK_STAT;
+	pmb->mbxOwner = OWN_HOST;
+	pmboxq->ctx_buf = NULL;
+	pmboxq->vport = vport;
+
+	if (vport->fc_flag & FC_OFFLINE_MODE) {
+		rc = lpfc_sli_issue_mbox(phba, pmboxq, MBX_POLL);
+		if (rc != MBX_SUCCESS) {
+			mempool_free(pmboxq, phba->mbox_mem_pool);
+			return NULL;
+		}
+	} else {
+		rc = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2);
+		if (rc != MBX_SUCCESS) {
+			if (rc != MBX_TIMEOUT)
+				mempool_free(pmboxq, phba->mbox_mem_pool);
+			return NULL;
+		}
+	}
+
+	hs->link_failure_count = pmb->un.varRdLnk.linkFailureCnt;
+	hs->loss_of_sync_count = pmb->un.varRdLnk.lossSyncCnt;
+	hs->loss_of_signal_count = pmb->un.varRdLnk.lossSignalCnt;
+	hs->prim_seq_protocol_err_count = pmb->un.varRdLnk.primSeqErrCnt;
+	hs->invalid_tx_word_count = pmb->un.varRdLnk.invalidXmitWord;
+	hs->invalid_crc_count = pmb->un.varRdLnk.crcCnt;
+	hs->error_frames = pmb->un.varRdLnk.crcCnt;
+
+	hs->cn_sig_warn = atomic64_read(&phba->cgn_acqe_stat.warn);
+	hs->cn_sig_alarm = atomic64_read(&phba->cgn_acqe_stat.alarm);
+
+	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->hba_flag & HBA_FCOE_MODE) {
+		hs->lip_count = -1;
+		hs->nos_count = (phba->link_events >> 1);
+		hs->nos_count -= lso->link_events;
+	} else if (phba->fc_topology == LPFC_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;
+
+	hs->seconds_since_last_reset = ktime_get_seconds() - psli->stats_start;
+
+	mempool_free(pmboxq, phba->mbox_mem_pool);
+
+	return hs;
+}
+
+/**
+ * lpfc_reset_stats - Copy the adapter link stats information
+ * @shost: kernel scsi host pointer.
+ **/
+static void
+lpfc_reset_stats(struct Scsi_Host *shost)
+{
+	struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
+	struct lpfc_hba   *phba = vport->phba;
+	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;
+
+	if (phba->sli.sli_flag & LPFC_BLOCK_MGMT_IO)
+		return;
+
+	pmboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
+	if (!pmboxq)
+		return;
+	memset(pmboxq, 0, sizeof(LPFC_MBOXQ_t));
+
+	pmb = &pmboxq->u.mb;
+	pmb->mbxCommand = MBX_READ_STATUS;
+	pmb->mbxOwner = OWN_HOST;
+	pmb->un.varWords[0] = 0x1; /* reset request */
+	pmboxq->ctx_buf = NULL;
+	pmboxq->vport = vport;
+
+	if ((vport->fc_flag & FC_OFFLINE_MODE) ||
+		(!(psli->sli_flag & LPFC_SLI_ACTIVE))) {
+		rc = lpfc_sli_issue_mbox(phba, pmboxq, MBX_POLL);
+		if (rc != MBX_SUCCESS) {
+			mempool_free(pmboxq, phba->mbox_mem_pool);
+			return;
+		}
+	} else {
+		rc = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2);
+		if (rc != MBX_SUCCESS) {
+			if (rc != MBX_TIMEOUT)
+				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->ctx_buf = NULL;
+	pmboxq->vport = vport;
+
+	if ((vport->fc_flag & FC_OFFLINE_MODE) ||
+	    (!(psli->sli_flag & LPFC_SLI_ACTIVE))) {
+		rc = lpfc_sli_issue_mbox(phba, pmboxq, MBX_POLL);
+		if (rc != MBX_SUCCESS) {
+			mempool_free(pmboxq, phba->mbox_mem_pool);
+			return;
+		}
+	} else {
+		rc = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2);
+		if (rc != MBX_SUCCESS) {
+			if (rc != MBX_TIMEOUT)
+				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;
+	if (phba->hba_flag & HBA_FCOE_MODE)
+		lso->link_events = (phba->link_events >> 1);
+	else
+		lso->link_events = (phba->fc_eventTag >> 1);
+
+	atomic64_set(&phba->cgn_acqe_stat.warn, 0);
+	atomic64_set(&phba->cgn_acqe_stat.alarm, 0);
+
+	memset(&shost_to_fc_host(shost)->fpin_stats, 0,
+	       sizeof(shost_to_fc_host(shost)->fpin_stats));
+
+	psli->stats_start = ktime_get_seconds();
+
+	mempool_free(pmboxq, phba->mbox_mem_pool);
+
+	return;
+}
+
+/*
+ * The LPFC driver treats linkdown handling as target loss events so there
+ * are no sysfs handlers for link_down_tmo.
+ */
+
+/**
+ * lpfc_get_node_by_target - Return the nodelist for a target
+ * @starget: kernel scsi target pointer.
+ *
+ * Returns:
+ * address of the node list if found
+ * NULL target not found
+ **/
+static struct lpfc_nodelist *
+lpfc_get_node_by_target(struct scsi_target *starget)
+{
+	struct Scsi_Host  *shost = dev_to_shost(starget->dev.parent);
+	struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
+	struct lpfc_nodelist *ndlp;
+
+	spin_lock_irq(shost->host_lock);
+	/* Search for this, mapped, target ID */
+	list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) {
+		if (ndlp->nlp_state == NLP_STE_MAPPED_NODE &&
+		    starget->id == ndlp->nlp_sid) {
+			spin_unlock_irq(shost->host_lock);
+			return ndlp;
+		}
+	}
+	spin_unlock_irq(shost->host_lock);
+	return NULL;
+}
+
+/**
+ * lpfc_get_starget_port_id - Set the target port id to the ndlp DID or -1
+ * @starget: kernel scsi target pointer.
+ **/
+static void
+lpfc_get_starget_port_id(struct scsi_target *starget)
+{
+	struct lpfc_nodelist *ndlp = lpfc_get_node_by_target(starget);
+
+	fc_starget_port_id(starget) = ndlp ? ndlp->nlp_DID : -1;
+}
+
+/**
+ * lpfc_get_starget_node_name - Set the target node name
+ * @starget: kernel scsi target pointer.
+ *
+ * Description: Set the target node name to the ndlp node name wwn or zero.
+ **/
+static void
+lpfc_get_starget_node_name(struct scsi_target *starget)
+{
+	struct lpfc_nodelist *ndlp = lpfc_get_node_by_target(starget);
+
+	fc_starget_node_name(starget) =
+		ndlp ? wwn_to_u64(ndlp->nlp_nodename.u.wwn) : 0;
+}
+
+/**
+ * lpfc_get_starget_port_name - Set the target port name
+ * @starget: kernel scsi target pointer.
+ *
+ * Description:  set the target port name to the ndlp port name wwn or zero.
+ **/
+static void
+lpfc_get_starget_port_name(struct scsi_target *starget)
+{
+	struct lpfc_nodelist *ndlp = lpfc_get_node_by_target(starget);
+
+	fc_starget_port_name(starget) =
+		ndlp ? wwn_to_u64(ndlp->nlp_portname.u.wwn) : 0;
+}
+
+/**
+ * lpfc_set_rport_loss_tmo - Set the rport dev loss tmo
+ * @rport: fc rport address.
+ * @timeout: new value for dev loss tmo.
+ *
+ * Description:
+ * If timeout is non zero set the dev_loss_tmo to timeout, else set
+ * dev_loss_tmo to one.
+ **/
+static void
+lpfc_set_rport_loss_tmo(struct fc_rport *rport, uint32_t timeout)
+{
+	struct lpfc_rport_data *rdata = rport->dd_data;
+	struct lpfc_nodelist *ndlp = rdata->pnode;
+#if (IS_ENABLED(CONFIG_NVME_FC))
+	struct lpfc_nvme_rport *nrport = NULL;
+#endif
+
+	if (timeout)
+		rport->dev_loss_tmo = timeout;
+	else
+		rport->dev_loss_tmo = 1;
+
+	if (!ndlp) {
+		dev_info(&rport->dev, "Cannot find remote node to "
+				      "set rport dev loss tmo, port_id x%x\n",
+				      rport->port_id);
+		return;
+	}
+
+#if (IS_ENABLED(CONFIG_NVME_FC))
+	nrport = lpfc_ndlp_get_nrport(ndlp);
+
+	if (nrport && nrport->remoteport)
+		nvme_fc_set_remoteport_devloss(nrport->remoteport,
+					       rport->dev_loss_tmo);
+#endif
+}
+
+/*
+ * lpfc_rport_show_function - Return rport target information
+ *
+ * Description:
+ * Macro that uses field to generate a function with the name lpfc_show_rport_
+ *
+ * lpfc_show_rport_##field: returns the bytes formatted in buf
+ * @cdev: class converted to an fc_rport.
+ * @buf: on return contains the target_field or zero.
+ *
+ * Returns: size of formatted string.
+ **/
+#define lpfc_rport_show_function(field, format_string, sz, cast)	\
+static ssize_t								\
+lpfc_show_rport_##field (struct device *dev,				\
+			 struct device_attribute *attr,			\
+			 char *buf)					\
+{									\
+	struct fc_rport *rport = transport_class_to_rport(dev);		\
+	struct lpfc_rport_data *rdata = rport->hostdata;		\
+	return scnprintf(buf, sz, format_string,			\
+		(rdata->target) ? cast rdata->target->field : 0);	\
+}
+
+#define lpfc_rport_rd_attr(field, format_string, sz)			\
+	lpfc_rport_show_function(field, format_string, sz, )		\
+static FC_RPORT_ATTR(field, S_IRUGO, lpfc_show_rport_##field, NULL)
+
+/**
+ * lpfc_set_vport_symbolic_name - Set the vport's symbolic name
+ * @fc_vport: The fc_vport who's symbolic name has been changed.
+ *
+ * Description:
+ * This function is called by the transport after the @fc_vport's symbolic name
+ * has been changed. This function re-registers the symbolic name with the
+ * switch to propagate the change into the fabric if the vport is active.
+ **/
+static void
+lpfc_set_vport_symbolic_name(struct fc_vport *fc_vport)
+{
+	struct lpfc_vport *vport = *(struct lpfc_vport **)fc_vport->dd_data;
+
+	if (vport->port_state == LPFC_VPORT_READY)
+		lpfc_ns_cmd(vport, SLI_CTNS_RSPN_ID, 0, 0);
+}
+
+/**
+ * lpfc_hba_log_verbose_init - Set hba's log verbose level
+ * @phba: Pointer to lpfc_hba struct.
+ * @verbose: Verbose level to set.
+ *
+ * This function is called by the lpfc_get_cfgparam() routine to set the
+ * module lpfc_log_verbose into the @phba cfg_log_verbose for use with
+ * log message according to the module's lpfc_log_verbose parameter setting
+ * before hba port or vport created.
+ **/
+static void
+lpfc_hba_log_verbose_init(struct lpfc_hba *phba, uint32_t verbose)
+{
+	phba->cfg_log_verbose = verbose;
+}
+
+struct fc_function_template lpfc_transport_functions = {
+	/* fixed attributes the driver supports */
+	.show_host_node_name = 1,
+	.show_host_port_name = 1,
+	.show_host_supported_classes = 1,
+	.show_host_supported_fc4s = 1,
+	.show_host_supported_speeds = 1,
+	.show_host_maxframe_size = 1,
+
+	.get_host_symbolic_name = lpfc_get_host_symbolic_name,
+	.show_host_symbolic_name = 1,
+
+	/* dynamic attributes the driver supports */
+	.get_host_port_id = lpfc_get_host_port_id,
+	.show_host_port_id = 1,
+
+	.get_host_port_type = lpfc_get_host_port_type,
+	.show_host_port_type = 1,
+
+	.get_host_port_state = lpfc_get_host_port_state,
+	.show_host_port_state = 1,
+
+	/* active_fc4s is shown but doesn't change (thus no get function) */
+	.show_host_active_fc4s = 1,
+
+	.get_host_speed = lpfc_get_host_speed,
+	.show_host_speed = 1,
+
+	.get_host_fabric_name = lpfc_get_host_fabric_name,
+	.show_host_fabric_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,
+	.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,
+
+	.set_rport_dev_loss_tmo = lpfc_set_rport_loss_tmo,
+	.show_rport_dev_loss_tmo = 1,
+
+	.get_starget_port_id  = lpfc_get_starget_port_id,
+	.show_starget_port_id = 1,
+
+	.get_starget_node_name = lpfc_get_starget_node_name,
+	.show_starget_node_name = 1,
+
+	.get_starget_port_name = lpfc_get_starget_port_name,
+	.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,
+
+	.dd_fcvport_size = sizeof(struct lpfc_vport *),
+
+	.vport_disable = lpfc_vport_disable,
+
+	.set_vport_symbolic_name = lpfc_set_vport_symbolic_name,
+
+	.bsg_request = lpfc_bsg_request,
+	.bsg_timeout = lpfc_bsg_timeout,
+};
+
+struct fc_function_template lpfc_vport_transport_functions = {
+	/* fixed attributes the driver supports */
+	.show_host_node_name = 1,
+	.show_host_port_name = 1,
+	.show_host_supported_classes = 1,
+	.show_host_supported_fc4s = 1,
+	.show_host_supported_speeds = 1,
+	.show_host_maxframe_size = 1,
+
+	.get_host_symbolic_name = lpfc_get_host_symbolic_name,
+	.show_host_symbolic_name = 1,
+
+	/* dynamic attributes the driver supports */
+	.get_host_port_id = lpfc_get_host_port_id,
+	.show_host_port_id = 1,
+
+	.get_host_port_type = lpfc_get_host_port_type,
+	.show_host_port_type = 1,
+
+	.get_host_port_state = lpfc_get_host_port_state,
+	.show_host_port_state = 1,
+
+	/* active_fc4s is shown but doesn't change (thus no get function) */
+	.show_host_active_fc4s = 1,
+
+	.get_host_speed = lpfc_get_host_speed,
+	.show_host_speed = 1,
+
+	.get_host_fabric_name = lpfc_get_host_fabric_name,
+	.show_host_fabric_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,
+	.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,
+
+	.set_rport_dev_loss_tmo = lpfc_set_rport_loss_tmo,
+	.show_rport_dev_loss_tmo = 1,
+
+	.get_starget_port_id  = lpfc_get_starget_port_id,
+	.show_starget_port_id = 1,
+
+	.get_starget_node_name = lpfc_get_starget_node_name,
+	.show_starget_node_name = 1,
+
+	.get_starget_port_name = lpfc_get_starget_port_name,
+	.show_starget_port_name = 1,
+
+	.dev_loss_tmo_callbk = lpfc_dev_loss_tmo_callbk,
+	.terminate_rport_io = lpfc_terminate_rport_io,
+
+	.vport_disable = lpfc_vport_disable,
+
+	.set_vport_symbolic_name = lpfc_set_vport_symbolic_name,
+};
+
+/**
+ * lpfc_get_hba_function_mode - Used to determine the HBA function in FCoE
+ * Mode
+ * @phba: lpfc_hba pointer.
+ **/
+static void
+lpfc_get_hba_function_mode(struct lpfc_hba *phba)
+{
+	/* If the adapter supports FCoE mode */
+	switch (phba->pcidev->device) {
+	case PCI_DEVICE_ID_SKYHAWK:
+	case PCI_DEVICE_ID_SKYHAWK_VF:
+	case PCI_DEVICE_ID_LANCER_FCOE:
+	case PCI_DEVICE_ID_LANCER_FCOE_VF:
+	case PCI_DEVICE_ID_ZEPHYR_DCSP:
+	case PCI_DEVICE_ID_TIGERSHARK:
+	case PCI_DEVICE_ID_TOMCAT:
+		phba->hba_flag |= HBA_FCOE_MODE;
+		break;
+	default:
+	/* for others, clear the flag */
+		phba->hba_flag &= ~HBA_FCOE_MODE;
+	}
+}
+
+/**
+ * lpfc_get_cfgparam - Used during probe_one to init the adapter structure
+ * @phba: lpfc_hba pointer.
+ **/
+void
+lpfc_get_cfgparam(struct lpfc_hba *phba)
+{
+	lpfc_hba_log_verbose_init(phba, lpfc_log_verbose);
+	lpfc_fcp_io_sched_init(phba, lpfc_fcp_io_sched);
+	lpfc_ns_query_init(phba, lpfc_ns_query);
+	lpfc_fcp2_no_tgt_reset_init(phba, lpfc_fcp2_no_tgt_reset);
+	lpfc_cr_delay_init(phba, lpfc_cr_delay);
+	lpfc_cr_count_init(phba, lpfc_cr_count);
+	lpfc_multi_ring_support_init(phba, lpfc_multi_ring_support);
+	lpfc_multi_ring_rctl_init(phba, lpfc_multi_ring_rctl);
+	lpfc_multi_ring_type_init(phba, lpfc_multi_ring_type);
+	lpfc_ack0_init(phba, lpfc_ack0);
+	lpfc_xri_rebalancing_init(phba, lpfc_xri_rebalancing);
+	lpfc_topology_init(phba, lpfc_topology);
+	lpfc_link_speed_init(phba, lpfc_link_speed);
+	lpfc_poll_tmo_init(phba, lpfc_poll_tmo);
+	lpfc_task_mgmt_tmo_init(phba, lpfc_task_mgmt_tmo);
+	lpfc_enable_npiv_init(phba, lpfc_enable_npiv);
+	lpfc_fcf_failover_policy_init(phba, lpfc_fcf_failover_policy);
+	lpfc_enable_rrq_init(phba, lpfc_enable_rrq);
+	lpfc_fcp_wait_abts_rsp_init(phba, lpfc_fcp_wait_abts_rsp);
+	lpfc_fdmi_on_init(phba, lpfc_fdmi_on);
+	lpfc_enable_SmartSAN_init(phba, lpfc_enable_SmartSAN);
+	lpfc_use_msi_init(phba, lpfc_use_msi);
+	lpfc_nvme_oas_init(phba, lpfc_nvme_oas);
+	lpfc_nvme_embed_cmd_init(phba, lpfc_nvme_embed_cmd);
+	lpfc_fcp_imax_init(phba, lpfc_fcp_imax);
+	lpfc_force_rscn_init(phba, lpfc_force_rscn);
+	lpfc_cq_poll_threshold_init(phba, lpfc_cq_poll_threshold);
+	lpfc_cq_max_proc_limit_init(phba, lpfc_cq_max_proc_limit);
+	lpfc_fcp_cpu_map_init(phba, lpfc_fcp_cpu_map);
+	lpfc_enable_hba_reset_init(phba, lpfc_enable_hba_reset);
+	lpfc_enable_hba_heartbeat_init(phba, lpfc_enable_hba_heartbeat);
+
+	lpfc_EnableXLane_init(phba, lpfc_EnableXLane);
+	/* VMID Inits */
+	lpfc_max_vmid_init(phba, lpfc_max_vmid);
+	lpfc_vmid_inactivity_timeout_init(phba, lpfc_vmid_inactivity_timeout);
+	lpfc_vmid_app_header_init(phba, lpfc_vmid_app_header);
+	lpfc_vmid_priority_tagging_init(phba, lpfc_vmid_priority_tagging);
+	if (phba->sli_rev != LPFC_SLI_REV4)
+		phba->cfg_EnableXLane = 0;
+	lpfc_XLanePriority_init(phba, lpfc_XLanePriority);
+
+	memset(phba->cfg_oas_tgt_wwpn, 0, (8 * sizeof(uint8_t)));
+	memset(phba->cfg_oas_vpt_wwpn, 0, (8 * sizeof(uint8_t)));
+	phba->cfg_oas_lun_state = 0;
+	phba->cfg_oas_lun_status = 0;
+	phba->cfg_oas_flags = 0;
+	phba->cfg_oas_priority = 0;
+	lpfc_enable_bg_init(phba, lpfc_enable_bg);
+	lpfc_prot_mask_init(phba, lpfc_prot_mask);
+	lpfc_prot_guard_init(phba, lpfc_prot_guard);
+	if (phba->sli_rev == LPFC_SLI_REV4)
+		phba->cfg_poll = 0;
+	else
+		phba->cfg_poll = lpfc_poll;
+
+	/* Get the function mode */
+	lpfc_get_hba_function_mode(phba);
+
+	/* BlockGuard allowed for FC only. */
+	if (phba->cfg_enable_bg && phba->hba_flag & HBA_FCOE_MODE) {
+		lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
+				"0581 BlockGuard feature not supported\n");
+		/* If set, clear the BlockGuard support param */
+		phba->cfg_enable_bg = 0;
+	} else if (phba->cfg_enable_bg) {
+		phba->sli3_options |= LPFC_SLI3_BG_ENABLED;
+	}
+
+	lpfc_suppress_rsp_init(phba, lpfc_suppress_rsp);
+
+	lpfc_enable_fc4_type_init(phba, lpfc_enable_fc4_type);
+	lpfc_nvmet_mrq_init(phba, lpfc_nvmet_mrq);
+	lpfc_nvmet_mrq_post_init(phba, lpfc_nvmet_mrq_post);
+
+	/* Initialize first burst. Target vs Initiator are different. */
+	lpfc_nvme_enable_fb_init(phba, lpfc_nvme_enable_fb);
+	lpfc_nvmet_fb_size_init(phba, lpfc_nvmet_fb_size);
+	lpfc_fcp_mq_threshold_init(phba, lpfc_fcp_mq_threshold);
+	lpfc_hdw_queue_init(phba, lpfc_hdw_queue);
+	lpfc_irq_chann_init(phba, lpfc_irq_chann);
+	lpfc_enable_bbcr_init(phba, lpfc_enable_bbcr);
+	lpfc_enable_dpp_init(phba, lpfc_enable_dpp);
+	lpfc_enable_mi_init(phba, lpfc_enable_mi);
+
+	phba->cgn_p.cgn_param_mode = LPFC_CFG_OFF;
+	phba->cmf_active_mode = LPFC_CFG_OFF;
+	if (lpfc_fabric_cgn_frequency > EDC_CG_SIGFREQ_CNT_MAX ||
+	   lpfc_fabric_cgn_frequency < EDC_CG_SIGFREQ_CNT_MIN)
+		lpfc_fabric_cgn_frequency = 100; /* 100 ms default */
+
+	if (phba->sli_rev != LPFC_SLI_REV4) {
+		/* NVME only supported on SLI4 */
+		phba->nvmet_support = 0;
+		phba->cfg_nvmet_mrq = 0;
+		phba->cfg_enable_fc4_type = LPFC_ENABLE_FCP;
+		phba->cfg_enable_bbcr = 0;
+		phba->cfg_xri_rebalancing = 0;
+	} else {
+		/* We MUST have FCP support */
+		if (!(phba->cfg_enable_fc4_type & LPFC_ENABLE_FCP))
+			phba->cfg_enable_fc4_type |= LPFC_ENABLE_FCP;
+	}
+
+	phba->cfg_auto_imax = (phba->cfg_fcp_imax) ? 0 : 1;
+
+	phba->cfg_enable_pbde = 0;
+
+	/* A value of 0 means use the number of CPUs found in the system */
+	if (phba->cfg_hdw_queue == 0)
+		phba->cfg_hdw_queue = phba->sli4_hba.num_present_cpu;
+	if (phba->cfg_irq_chann == 0)
+		phba->cfg_irq_chann = phba->sli4_hba.num_present_cpu;
+	if (phba->cfg_irq_chann > phba->cfg_hdw_queue &&
+	    phba->sli_rev == LPFC_SLI_REV4)
+		phba->cfg_irq_chann = phba->cfg_hdw_queue;
+
+	lpfc_sg_seg_cnt_init(phba, lpfc_sg_seg_cnt);
+	lpfc_hba_queue_depth_init(phba, lpfc_hba_queue_depth);
+	lpfc_sriov_nr_virtfn_init(phba, lpfc_sriov_nr_virtfn);
+	lpfc_request_firmware_upgrade_init(phba, lpfc_req_fw_upgrade);
+	lpfc_suppress_link_up_init(phba, lpfc_suppress_link_up);
+	lpfc_delay_discovery_init(phba, lpfc_delay_discovery);
+	lpfc_sli_mode_init(phba, lpfc_sli_mode);
+	lpfc_enable_mds_diags_init(phba, lpfc_enable_mds_diags);
+	lpfc_ras_fwlog_buffsize_init(phba, lpfc_ras_fwlog_buffsize);
+	lpfc_ras_fwlog_level_init(phba, lpfc_ras_fwlog_level);
+	lpfc_ras_fwlog_func_init(phba, lpfc_ras_fwlog_func);
+
+	return;
+}
+
+/**
+ * lpfc_nvme_mod_param_dep - Adjust module parameter value based on
+ * dependencies between protocols and roles.
+ * @phba: lpfc_hba pointer.
+ **/
+void
+lpfc_nvme_mod_param_dep(struct lpfc_hba *phba)
+{
+	int  logit = 0;
+
+	if (phba->cfg_hdw_queue > phba->sli4_hba.num_present_cpu) {
+		phba->cfg_hdw_queue = phba->sli4_hba.num_present_cpu;
+		logit = 1;
+	}
+	if (phba->cfg_irq_chann > phba->sli4_hba.num_present_cpu) {
+		phba->cfg_irq_chann = phba->sli4_hba.num_present_cpu;
+		logit = 1;
+	}
+	if (phba->cfg_irq_chann > phba->cfg_hdw_queue) {
+		phba->cfg_irq_chann = phba->cfg_hdw_queue;
+		logit = 1;
+	}
+	if (logit)
+		lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
+				"2006 Reducing Queues - CPU limitation: "
+				"IRQ %d HDWQ %d\n",
+				phba->cfg_irq_chann,
+				phba->cfg_hdw_queue);
+
+	if (phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME &&
+	    phba->nvmet_support) {
+		phba->cfg_enable_fc4_type &= ~LPFC_ENABLE_FCP;
+
+		lpfc_printf_log(phba, KERN_INFO, LOG_NVME_DISC,
+				"6013 %s x%x fb_size x%x, fb_max x%x\n",
+				"NVME Target PRLI ACC enable_fb ",
+				phba->cfg_nvme_enable_fb,
+				phba->cfg_nvmet_fb_size,
+				LPFC_NVMET_FB_SZ_MAX);
+
+		if (phba->cfg_nvme_enable_fb == 0)
+			phba->cfg_nvmet_fb_size = 0;
+		else {
+			if (phba->cfg_nvmet_fb_size > LPFC_NVMET_FB_SZ_MAX)
+				phba->cfg_nvmet_fb_size = LPFC_NVMET_FB_SZ_MAX;
+		}
+
+		if (!phba->cfg_nvmet_mrq)
+			phba->cfg_nvmet_mrq = phba->cfg_hdw_queue;
+
+		/* Adjust lpfc_nvmet_mrq to avoid running out of WQE slots */
+		if (phba->cfg_nvmet_mrq > phba->cfg_hdw_queue) {
+			phba->cfg_nvmet_mrq = phba->cfg_hdw_queue;
+			lpfc_printf_log(phba, KERN_ERR, LOG_NVME_DISC,
+					"6018 Adjust lpfc_nvmet_mrq to %d\n",
+					phba->cfg_nvmet_mrq);
+		}
+		if (phba->cfg_nvmet_mrq > LPFC_NVMET_MRQ_MAX)
+			phba->cfg_nvmet_mrq = LPFC_NVMET_MRQ_MAX;
+
+	} else {
+		/* Not NVME Target mode.  Turn off Target parameters. */
+		phba->nvmet_support = 0;
+		phba->cfg_nvmet_mrq = 0;
+		phba->cfg_nvmet_fb_size = 0;
+	}
+}
+
+/**
+ * lpfc_get_vport_cfgparam - Used during port create, init the vport structure
+ * @vport: lpfc_vport pointer.
+ **/
+void
+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);
+	lpfc_restrict_login_init(vport, lpfc_restrict_login);
+	lpfc_fcp_class_init(vport, lpfc_fcp_class);
+	lpfc_use_adisc_init(vport, lpfc_use_adisc);
+	lpfc_first_burst_size_init(vport, lpfc_first_burst_size);
+	lpfc_max_scsicmpl_time_init(vport, lpfc_max_scsicmpl_time);
+	lpfc_discovery_threads_init(vport, lpfc_discovery_threads);
+	lpfc_max_luns_init(vport, lpfc_max_luns);
+	lpfc_scan_down_init(vport, lpfc_scan_down);
+	lpfc_enable_da_id_init(vport, lpfc_enable_da_id);
+	return;
+}