Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi

Pull first round of SCSI updates from James Bottomley:
 "This patch set includes two large new drivers: mpt3sas (for the next
  gen fusion SAS hardware) and csiostor a FCoE offload driver for the
  Chelsio converged network cards (this includes some net changes which
  I've OK'd with DaveM).

  The rest of the patch is driver updates (qla2xxx, lpfc, hptiop,
  be2iscsi) plus a few assorted updates and bug fixes.

  We also have a Power Management rework in the Upper Layer Drivers
  preparatory to doing ACPI zero power optical devices, but the actual
  enabler is still being worked on.

  Signed-off-by: James Bottomley <JBottomley@Parallels.com>"

* tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (72 commits)
  [SCSI] mpt3sas: add new driver supporting 12GB SAS
  [SCSI] scsi_transport_sas: add 12GB definitions for mpt3sas
  [SCSI] miscdevice: Adding support for MPT3SAS_MINOR(222)
  [SCSI] csiostor: remove unneeded memset()
  [SCSI] csiostor: Fix sparse warnings.
  [SCSI] qla2xxx: Display that driver is operating in legacy interrupt mode.
  [SCSI] qla2xxx: Dont clear drv active on iospace config failure.
  [SCSI] qla2xxx: Fix typo in qla2xxx driver.
  [SCSI] qla2xxx: Update ql2xextended_error_logging parameter description with new option.
  [SCSI] qla2xxx: Parameterize the link speed of hba rather than fcport.
  [SCSI] qla2xxx: Add 16Gb/s case to get port speed capability.
  [SCSI] qla2xxx: Move marking fcport online ahead of setting iiDMA speed.
  [SCSI] qla2xxx: Add acquiring of risc semaphore before doing ISP reset.
  [SCSI] qla2xxx: Ignore driver ack bit if corresponding presence bit is not set.
  [SCSI] qla2xxx: Fix typo in qla83xx_fw_dump function.
  [SCSI] qla2xxx: Add Gen3 PCIe speed 8GT/s to the log message.
  [SCSI] qla2xxx: Use correct Request-Q-Out register during bidirectional request processing
  [SCSI] qla2xxx: Move noisy Start scsi failed messages to verbose logging level.
  [SCSI] qla2xxx: Fix coccinelle warnings in qla2x00_relogin.
  [SCSI] qla2xxx: No fcport FC-4 type assignment in GA_NXT response.
  ...

1 files changed, 796 insertions, 0 deletions

diff --git a/drivers/scsi/csiostor/csio_attr.c b/drivers/scsi/csiostor/csio_attr.c
new file mode 100644
index 00000000000..065a87ace62
--- /dev/null
+++ b/drivers/scsi/csiostor/csio_attr.c
@@ -0,0 +1,796 @@
+/*
+ * This file is part of the Chelsio FCoE driver for Linux.
+ *
+ * Copyright (c) 2008-2012 Chelsio Communications, Inc. All rights reserved.
+ *
+ * This software is available to you under a choice of one of two
+ * licenses.  You may choose to be licensed under the terms of the GNU
+ * General Public License (GPL) Version 2, available from the file
+ * COPYING in the main directory of this source tree, or the
+ * OpenIB.org BSD license below:
+ *
+ *     Redistribution and use in source and binary forms, with or
+ *     without modification, are permitted provided that the following
+ *     conditions are met:
+ *
+ *      - Redistributions of source code must retain the above
+ *        copyright notice, this list of conditions and the following
+ *        disclaimer.
+ *
+ *      - Redistributions in binary form must reproduce the above
+ *        copyright notice, this list of conditions and the following
+ *        disclaimer in the documentation and/or other materials
+ *        provided with the distribution.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#include <linux/kernel.h>
+#include <linux/string.h>
+#include <linux/delay.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/pci.h>
+#include <linux/mm.h>
+#include <linux/jiffies.h>
+#include <scsi/fc/fc_fs.h>
+
+#include "csio_init.h"
+
+static void
+csio_vport_set_state(struct csio_lnode *ln);
+
+/*
+ * csio_reg_rnode - Register a remote port with FC transport.
+ * @rn: Rnode representing remote port.
+ *
+ * Call fc_remote_port_add() to register this remote port with FC transport.
+ * If remote port is Initiator OR Target OR both, change the role appropriately.
+ *
+ */
+void
+csio_reg_rnode(struct csio_rnode *rn)
+{
+	struct csio_lnode *ln		= csio_rnode_to_lnode(rn);
+	struct Scsi_Host *shost		= csio_ln_to_shost(ln);
+	struct fc_rport_identifiers ids;
+	struct fc_rport  *rport;
+	struct csio_service_parms *sp;
+
+	ids.node_name	= wwn_to_u64(csio_rn_wwnn(rn));
+	ids.port_name	= wwn_to_u64(csio_rn_wwpn(rn));
+	ids.port_id	= rn->nport_id;
+	ids.roles	= FC_RPORT_ROLE_UNKNOWN;
+
+	if (rn->role & CSIO_RNFR_INITIATOR || rn->role & CSIO_RNFR_TARGET) {
+		rport = rn->rport;
+		CSIO_ASSERT(rport != NULL);
+		goto update_role;
+	}
+
+	rn->rport = fc_remote_port_add(shost, 0, &ids);
+	if (!rn->rport) {
+		csio_ln_err(ln, "Failed to register rport = 0x%x.\n",
+					rn->nport_id);
+		return;
+	}
+
+	ln->num_reg_rnodes++;
+	rport = rn->rport;
+	spin_lock_irq(shost->host_lock);
+	*((struct csio_rnode **)rport->dd_data) = rn;
+	spin_unlock_irq(shost->host_lock);
+
+	sp = &rn->rn_sparm;
+	rport->maxframe_size = ntohs(sp->csp.sp_bb_data);
+	if (ntohs(sp->clsp[2].cp_class) & FC_CPC_VALID)
+		rport->supported_classes = FC_COS_CLASS3;
+	else
+		rport->supported_classes = FC_COS_UNSPECIFIED;
+update_role:
+	if (rn->role & CSIO_RNFR_INITIATOR)
+		ids.roles |= FC_RPORT_ROLE_FCP_INITIATOR;
+	if (rn->role & CSIO_RNFR_TARGET)
+		ids.roles |= FC_RPORT_ROLE_FCP_TARGET;
+
+	if (ids.roles != FC_RPORT_ROLE_UNKNOWN)
+		fc_remote_port_rolechg(rport, ids.roles);
+
+	rn->scsi_id = rport->scsi_target_id;
+
+	csio_ln_dbg(ln, "Remote port x%x role 0x%x registered\n",
+		rn->nport_id, ids.roles);
+}
+
+/*
+ * csio_unreg_rnode - Unregister a remote port with FC transport.
+ * @rn: Rnode representing remote port.
+ *
+ * Call fc_remote_port_delete() to unregister this remote port with FC
+ * transport.
+ *
+ */
+void
+csio_unreg_rnode(struct csio_rnode *rn)
+{
+	struct csio_lnode *ln = csio_rnode_to_lnode(rn);
+	struct fc_rport *rport = rn->rport;
+
+	rn->role &= ~(CSIO_RNFR_INITIATOR | CSIO_RNFR_TARGET);
+	fc_remote_port_delete(rport);
+	ln->num_reg_rnodes--;
+
+	csio_ln_dbg(ln, "Remote port x%x un-registered\n", rn->nport_id);
+}
+
+/*
+ * csio_lnode_async_event - Async events from local port.
+ * @ln: lnode representing local port.
+ *
+ * Async events from local node that FC transport/SCSI ML
+ * should be made aware of (Eg: RSCN).
+ */
+void
+csio_lnode_async_event(struct csio_lnode *ln, enum csio_ln_fc_evt fc_evt)
+{
+	switch (fc_evt) {
+	case CSIO_LN_FC_RSCN:
+		/* Get payload of rscn from ln */
+		/* For each RSCN entry */
+			/*
+			 * fc_host_post_event(shost,
+			 *		      fc_get_event_number(),
+			 *		      FCH_EVT_RSCN,
+			 *		      rscn_entry);
+			 */
+		break;
+	case CSIO_LN_FC_LINKUP:
+		/* send fc_host_post_event */
+		/* set vport state */
+		if (csio_is_npiv_ln(ln))
+			csio_vport_set_state(ln);
+
+		break;
+	case CSIO_LN_FC_LINKDOWN:
+		/* send fc_host_post_event */
+		/* set vport state */
+		if (csio_is_npiv_ln(ln))
+			csio_vport_set_state(ln);
+
+		break;
+	case CSIO_LN_FC_ATTRIB_UPDATE:
+		csio_fchost_attr_init(ln);
+		break;
+	default:
+		break;
+	}
+}
+
+/*
+ * csio_fchost_attr_init - Initialize FC transport attributes
+ * @ln: Lnode.
+ *
+ */
+void
+csio_fchost_attr_init(struct csio_lnode *ln)
+{
+	struct Scsi_Host  *shost = csio_ln_to_shost(ln);
+
+	fc_host_node_name(shost) = wwn_to_u64(csio_ln_wwnn(ln));
+	fc_host_port_name(shost) = wwn_to_u64(csio_ln_wwpn(ln));
+
+	fc_host_supported_classes(shost) = FC_COS_CLASS3;
+	fc_host_max_npiv_vports(shost) =
+			(csio_lnode_to_hw(ln))->fres_info.max_vnps;
+	fc_host_supported_speeds(shost) = FC_PORTSPEED_10GBIT |
+		FC_PORTSPEED_1GBIT;
+
+	fc_host_maxframe_size(shost) = ntohs(ln->ln_sparm.csp.sp_bb_data);
+	memset(fc_host_supported_fc4s(shost), 0,
+		sizeof(fc_host_supported_fc4s(shost)));
+	fc_host_supported_fc4s(shost)[7] = 1;
+
+	memset(fc_host_active_fc4s(shost), 0,
+		sizeof(fc_host_active_fc4s(shost)));
+	fc_host_active_fc4s(shost)[7] = 1;
+}
+
+/*
+ * csio_get_host_port_id - sysfs entries for nport_id is
+ * populated/cached from this function
+ */
+static void
+csio_get_host_port_id(struct Scsi_Host *shost)
+{
+	struct csio_lnode *ln	= shost_priv(shost);
+	struct csio_hw *hw = csio_lnode_to_hw(ln);
+
+	spin_lock_irq(&hw->lock);
+	fc_host_port_id(shost) = ln->nport_id;
+	spin_unlock_irq(&hw->lock);
+}
+
+/*
+ * csio_get_port_type - Return FC local port type.
+ * @shost: scsi host.
+ *
+ */
+static void
+csio_get_host_port_type(struct Scsi_Host *shost)
+{
+	struct csio_lnode *ln = shost_priv(shost);
+	struct csio_hw *hw = csio_lnode_to_hw(ln);
+
+	spin_lock_irq(&hw->lock);
+	if (csio_is_npiv_ln(ln))
+		fc_host_port_type(shost) = FC_PORTTYPE_NPIV;
+	else
+		fc_host_port_type(shost) = FC_PORTTYPE_NPORT;
+	spin_unlock_irq(&hw->lock);
+}
+
+/*
+ * csio_get_port_state - Return FC local port state.
+ * @shost: scsi host.
+ *
+ */
+static void
+csio_get_host_port_state(struct Scsi_Host *shost)
+{
+	struct csio_lnode *ln = shost_priv(shost);
+	struct csio_hw *hw = csio_lnode_to_hw(ln);
+	char state[16];
+
+	spin_lock_irq(&hw->lock);
+
+	csio_lnode_state_to_str(ln, state);
+	if (!strcmp(state, "READY"))
+		fc_host_port_state(shost) = FC_PORTSTATE_ONLINE;
+	else if (!strcmp(state, "OFFLINE"))
+		fc_host_port_state(shost) = FC_PORTSTATE_LINKDOWN;
+	else
+		fc_host_port_state(shost) = FC_PORTSTATE_UNKNOWN;
+
+	spin_unlock_irq(&hw->lock);
+}
+
+/*
+ * csio_get_host_speed - Return link speed to FC transport.
+ * @shost: scsi host.
+ *
+ */
+static void
+csio_get_host_speed(struct Scsi_Host *shost)
+{
+	struct csio_lnode *ln = shost_priv(shost);
+	struct csio_hw *hw = csio_lnode_to_hw(ln);
+
+	spin_lock_irq(&hw->lock);
+	switch (hw->pport[ln->portid].link_speed) {
+	case FW_PORT_CAP_SPEED_1G:
+		fc_host_speed(shost) = FC_PORTSPEED_1GBIT;
+		break;
+	case FW_PORT_CAP_SPEED_10G:
+		fc_host_speed(shost) = FC_PORTSPEED_10GBIT;
+		break;
+	default:
+		fc_host_speed(shost) = FC_PORTSPEED_UNKNOWN;
+		break;
+	}
+	spin_unlock_irq(&hw->lock);
+}
+
+/*
+ * csio_get_host_fabric_name - Return fabric name
+ * @shost: scsi host.
+ *
+ */
+static void
+csio_get_host_fabric_name(struct Scsi_Host *shost)
+{
+	struct csio_lnode *ln = shost_priv(shost);
+	struct csio_rnode *rn = NULL;
+	struct csio_hw *hw = csio_lnode_to_hw(ln);
+
+	spin_lock_irq(&hw->lock);
+	rn = csio_rnode_lookup_portid(ln, FC_FID_FLOGI);
+	if (rn)
+		fc_host_fabric_name(shost) = wwn_to_u64(csio_rn_wwnn(rn));
+	else
+		fc_host_fabric_name(shost) = 0;
+	spin_unlock_irq(&hw->lock);
+}
+
+/*
+ * csio_get_host_speed - Return FC transport statistics.
+ * @ln: Lnode.
+ *
+ */
+static struct fc_host_statistics *
+csio_get_stats(struct Scsi_Host *shost)
+{
+	struct csio_lnode *ln = shost_priv(shost);
+	struct csio_hw *hw = csio_lnode_to_hw(ln);
+	struct fc_host_statistics *fhs = &ln->fch_stats;
+	struct fw_fcoe_port_stats fcoe_port_stats;
+	uint64_t seconds;
+
+	memset(&fcoe_port_stats, 0, sizeof(struct fw_fcoe_port_stats));
+	csio_get_phy_port_stats(hw, ln->portid, &fcoe_port_stats);
+
+	fhs->tx_frames  += (be64_to_cpu(fcoe_port_stats.tx_bcast_frames) +
+			    be64_to_cpu(fcoe_port_stats.tx_mcast_frames) +
+			    be64_to_cpu(fcoe_port_stats.tx_ucast_frames) +
+			    be64_to_cpu(fcoe_port_stats.tx_offload_frames));
+	fhs->tx_words  += (be64_to_cpu(fcoe_port_stats.tx_bcast_bytes) +
+			   be64_to_cpu(fcoe_port_stats.tx_mcast_bytes) +
+			   be64_to_cpu(fcoe_port_stats.tx_ucast_bytes) +
+			   be64_to_cpu(fcoe_port_stats.tx_offload_bytes)) /
+							CSIO_WORD_TO_BYTE;
+	fhs->rx_frames += (be64_to_cpu(fcoe_port_stats.rx_bcast_frames) +
+			   be64_to_cpu(fcoe_port_stats.rx_mcast_frames) +
+			   be64_to_cpu(fcoe_port_stats.rx_ucast_frames));
+	fhs->rx_words += (be64_to_cpu(fcoe_port_stats.rx_bcast_bytes) +
+			  be64_to_cpu(fcoe_port_stats.rx_mcast_bytes) +
+			  be64_to_cpu(fcoe_port_stats.rx_ucast_bytes)) /
+							CSIO_WORD_TO_BYTE;
+	fhs->error_frames += be64_to_cpu(fcoe_port_stats.rx_err_frames);
+	fhs->fcp_input_requests +=  ln->stats.n_input_requests;
+	fhs->fcp_output_requests +=  ln->stats.n_output_requests;
+	fhs->fcp_control_requests +=  ln->stats.n_control_requests;
+	fhs->fcp_input_megabytes +=  ln->stats.n_input_bytes >> 20;
+	fhs->fcp_output_megabytes +=  ln->stats.n_output_bytes >> 20;
+	fhs->link_failure_count = ln->stats.n_link_down;
+	/* Reset stats for the device */
+	seconds = jiffies_to_msecs(jiffies) - hw->stats.n_reset_start;
+	do_div(seconds, 1000);
+	fhs->seconds_since_last_reset = seconds;
+
+	return fhs;
+}
+
+/*
+ * csio_set_rport_loss_tmo - Set the rport dev loss timeout
+ * @rport: fc rport.
+ * @timeout: new value for dev loss tmo.
+ *
+ * If timeout is non zero set the dev_loss_tmo to timeout, else set
+ * dev_loss_tmo to one.
+ */
+static void
+csio_set_rport_loss_tmo(struct fc_rport *rport, uint32_t timeout)
+{
+	if (timeout)
+		rport->dev_loss_tmo = timeout;
+	else
+		rport->dev_loss_tmo = 1;
+}
+
+static void
+csio_vport_set_state(struct csio_lnode *ln)
+{
+	struct fc_vport *fc_vport = ln->fc_vport;
+	struct csio_lnode  *pln = ln->pln;
+	char state[16];
+
+	/* Set fc vport state based on phyiscal lnode */
+	csio_lnode_state_to_str(pln, state);
+	if (strcmp(state, "READY")) {
+		fc_vport_set_state(fc_vport, FC_VPORT_LINKDOWN);
+		return;
+	}
+
+	if (!(pln->flags & CSIO_LNF_NPIVSUPP)) {
+		fc_vport_set_state(fc_vport, FC_VPORT_NO_FABRIC_SUPP);
+		return;
+	}
+
+	/* Set fc vport state based on virtual lnode */
+	csio_lnode_state_to_str(ln, state);
+	if (strcmp(state, "READY")) {
+		fc_vport_set_state(fc_vport, FC_VPORT_LINKDOWN);
+		return;
+	}
+	fc_vport_set_state(fc_vport, FC_VPORT_ACTIVE);
+}
+
+static int
+csio_fcoe_alloc_vnp(struct csio_hw *hw, struct csio_lnode *ln)
+{
+	struct csio_lnode *pln;
+	struct csio_mb  *mbp;
+	struct fw_fcoe_vnp_cmd *rsp;
+	int ret = 0;
+	int retry = 0;
+
+	/* Issue VNP cmd to alloc vport */
+	/* Allocate Mbox request */
+	spin_lock_irq(&hw->lock);
+	mbp = mempool_alloc(hw->mb_mempool, GFP_ATOMIC);
+	if (!mbp) {
+		CSIO_INC_STATS(hw, n_err_nomem);
+		ret = -ENOMEM;
+		goto out;
+	}
+
+	pln = ln->pln;
+	ln->fcf_flowid = pln->fcf_flowid;
+	ln->portid = pln->portid;
+
+	csio_fcoe_vnp_alloc_init_mb(ln, mbp, CSIO_MB_DEFAULT_TMO,
+				    pln->fcf_flowid, pln->vnp_flowid, 0,
+				    csio_ln_wwnn(ln), csio_ln_wwpn(ln), NULL);
+
+	for (retry = 0; retry < 3; retry++) {
+		/* FW is expected to complete vnp cmd in immediate mode
+		 * without much delay.
+		 * Otherwise, there will be increase in IO latency since HW
+		 * lock is held till completion of vnp mbox cmd.
+		 */
+		ret = csio_mb_issue(hw, mbp);
+		if (ret != -EBUSY)
+			break;
+
+		/* Retry if mbox returns busy */
+		spin_unlock_irq(&hw->lock);
+		msleep(2000);
+		spin_lock_irq(&hw->lock);
+	}
+
+	if (ret) {
+		csio_ln_err(ln, "Failed to issue mbox FCoE VNP command\n");
+		goto out_free;
+	}
+
+	/* Process Mbox response of VNP command */
+	rsp = (struct fw_fcoe_vnp_cmd *)(mbp->mb);
+	if (FW_CMD_RETVAL_GET(ntohl(rsp->alloc_to_len16)) != FW_SUCCESS) {
+		csio_ln_err(ln, "FCOE VNP ALLOC cmd returned 0x%x!\n",
+			    FW_CMD_RETVAL_GET(ntohl(rsp->alloc_to_len16)));
+		ret = -EINVAL;
+		goto out_free;
+	}
+
+	ln->vnp_flowid = FW_FCOE_VNP_CMD_VNPI_GET(
+				ntohl(rsp->gen_wwn_to_vnpi));
+	memcpy(csio_ln_wwnn(ln), rsp->vnport_wwnn, 8);
+	memcpy(csio_ln_wwpn(ln), rsp->vnport_wwpn, 8);
+
+	csio_ln_dbg(ln, "FCOE VNPI: 0x%x\n", ln->vnp_flowid);
+	csio_ln_dbg(ln, "\tWWNN: %x%x%x%x%x%x%x%x\n",
+		    ln->ln_sparm.wwnn[0], ln->ln_sparm.wwnn[1],
+		    ln->ln_sparm.wwnn[2], ln->ln_sparm.wwnn[3],
+		    ln->ln_sparm.wwnn[4], ln->ln_sparm.wwnn[5],
+		    ln->ln_sparm.wwnn[6], ln->ln_sparm.wwnn[7]);
+	csio_ln_dbg(ln, "\tWWPN: %x%x%x%x%x%x%x%x\n",
+		    ln->ln_sparm.wwpn[0], ln->ln_sparm.wwpn[1],
+		    ln->ln_sparm.wwpn[2], ln->ln_sparm.wwpn[3],
+		    ln->ln_sparm.wwpn[4], ln->ln_sparm.wwpn[5],
+		    ln->ln_sparm.wwpn[6], ln->ln_sparm.wwpn[7]);
+
+out_free:
+	mempool_free(mbp, hw->mb_mempool);
+out:
+	spin_unlock_irq(&hw->lock);
+	return ret;
+}
+
+static int
+csio_fcoe_free_vnp(struct csio_hw *hw, struct csio_lnode *ln)
+{
+	struct csio_lnode *pln;
+	struct csio_mb  *mbp;
+	struct fw_fcoe_vnp_cmd *rsp;
+	int ret = 0;
+	int retry = 0;
+
+	/* Issue VNP cmd to free vport */
+	/* Allocate Mbox request */
+
+	spin_lock_irq(&hw->lock);
+	mbp = mempool_alloc(hw->mb_mempool, GFP_ATOMIC);
+	if (!mbp) {
+		CSIO_INC_STATS(hw, n_err_nomem);
+		ret = -ENOMEM;
+		goto out;
+	}
+
+	pln = ln->pln;
+
+	csio_fcoe_vnp_free_init_mb(ln, mbp, CSIO_MB_DEFAULT_TMO,
+				   ln->fcf_flowid, ln->vnp_flowid,
+				   NULL);
+
+	for (retry = 0; retry < 3; retry++) {
+		ret = csio_mb_issue(hw, mbp);
+		if (ret != -EBUSY)
+			break;
+
+		/* Retry if mbox returns busy */
+		spin_unlock_irq(&hw->lock);
+		msleep(2000);
+		spin_lock_irq(&hw->lock);
+	}
+
+	if (ret) {
+		csio_ln_err(ln, "Failed to issue mbox FCoE VNP command\n");
+		goto out_free;
+	}
+
+	/* Process Mbox response of VNP command */
+	rsp = (struct fw_fcoe_vnp_cmd *)(mbp->mb);
+	if (FW_CMD_RETVAL_GET(ntohl(rsp->alloc_to_len16)) != FW_SUCCESS) {
+		csio_ln_err(ln, "FCOE VNP FREE cmd returned 0x%x!\n",
+			    FW_CMD_RETVAL_GET(ntohl(rsp->alloc_to_len16)));
+		ret = -EINVAL;
+	}
+
+out_free:
+	mempool_free(mbp, hw->mb_mempool);
+out:
+	spin_unlock_irq(&hw->lock);
+	return ret;
+}
+
+static int
+csio_vport_create(struct fc_vport *fc_vport, bool disable)
+{
+	struct Scsi_Host *shost = fc_vport->shost;
+	struct csio_lnode *pln = shost_priv(shost);
+	struct csio_lnode *ln = NULL;
+	struct csio_hw *hw = csio_lnode_to_hw(pln);
+	uint8_t wwn[8];
+	int ret = -1;
+
+	ln = csio_shost_init(hw, &fc_vport->dev, false, pln);
+	if (!ln)
+		goto error;
+
+	if (fc_vport->node_name != 0) {
+		u64_to_wwn(fc_vport->node_name, wwn);
+
+		if (!CSIO_VALID_WWN(wwn)) {
+			csio_ln_err(ln,
+				    "vport create failed. Invalid wwnn\n");
+			goto error;
+		}
+		memcpy(csio_ln_wwnn(ln), wwn, 8);
+	}
+
+	if (fc_vport->port_name != 0) {
+		u64_to_wwn(fc_vport->port_name, wwn);
+
+		if (!CSIO_VALID_WWN(wwn)) {
+			csio_ln_err(ln,
+				    "vport create failed. Invalid wwpn\n");
+			goto error;
+		}
+
+		if (csio_lnode_lookup_by_wwpn(hw, wwn)) {
+			csio_ln_err(ln,
+			    "vport create failed. wwpn already exists\n");
+			goto error;
+		}
+		memcpy(csio_ln_wwpn(ln), wwn, 8);
+	}
+
+	fc_vport_set_state(fc_vport, FC_VPORT_INITIALIZING);
+
+	if (csio_fcoe_alloc_vnp(hw, ln))
+		goto error;
+
+	*(struct csio_lnode **)fc_vport->dd_data = ln;
+	ln->fc_vport = fc_vport;
+	if (!fc_vport->node_name)
+		fc_vport->node_name = wwn_to_u64(csio_ln_wwnn(ln));
+	if (!fc_vport->port_name)
+		fc_vport->port_name = wwn_to_u64(csio_ln_wwpn(ln));
+	csio_fchost_attr_init(ln);
+	return 0;
+error:
+	if (ln)
+		csio_shost_exit(ln);
+
+	return ret;
+}
+
+static int
+csio_vport_delete(struct fc_vport *fc_vport)
+{
+	struct csio_lnode *ln = *(struct csio_lnode **)fc_vport->dd_data;
+	struct Scsi_Host *shost = csio_ln_to_shost(ln);
+	struct csio_hw *hw = csio_lnode_to_hw(ln);
+	int rmv;
+
+	spin_lock_irq(&hw->lock);
+	rmv = csio_is_hw_removing(hw);
+	spin_unlock_irq(&hw->lock);
+
+	if (rmv) {
+		csio_shost_exit(ln);
+		return 0;
+	}
+
+	/* Quiesce ios and send remove event to lnode */
+	scsi_block_requests(shost);
+	spin_lock_irq(&hw->lock);
+	csio_scsim_cleanup_io_lnode(csio_hw_to_scsim(hw), ln);
+	csio_lnode_close(ln);
+	spin_unlock_irq(&hw->lock);
+	scsi_unblock_requests(shost);
+
+	/* Free vnp */
+	if (fc_vport->vport_state !=  FC_VPORT_DISABLED)
+		csio_fcoe_free_vnp(hw, ln);
+
+	csio_shost_exit(ln);
+	return 0;
+}
+
+static int
+csio_vport_disable(struct fc_vport *fc_vport, bool disable)
+{
+	struct csio_lnode *ln = *(struct csio_lnode **)fc_vport->dd_data;
+	struct Scsi_Host *shost = csio_ln_to_shost(ln);
+	struct csio_hw *hw = csio_lnode_to_hw(ln);
+
+	/* disable vport */
+	if (disable) {
+		/* Quiesce ios and send stop event to lnode */
+		scsi_block_requests(shost);
+		spin_lock_irq(&hw->lock);
+		csio_scsim_cleanup_io_lnode(csio_hw_to_scsim(hw), ln);
+		csio_lnode_stop(ln);
+		spin_unlock_irq(&hw->lock);
+		scsi_unblock_requests(shost);
+
+		/* Free vnp */
+		csio_fcoe_free_vnp(hw, ln);
+		fc_vport_set_state(fc_vport, FC_VPORT_DISABLED);
+		csio_ln_err(ln, "vport disabled\n");
+		return 0;
+	} else {
+		/* enable vport */
+		fc_vport_set_state(fc_vport, FC_VPORT_INITIALIZING);
+		if (csio_fcoe_alloc_vnp(hw, ln)) {
+			csio_ln_err(ln, "vport enabled failed.\n");
+			return -1;
+		}
+		csio_ln_err(ln, "vport enabled\n");
+		return 0;
+	}
+}
+
+static void
+csio_dev_loss_tmo_callbk(struct fc_rport *rport)
+{
+	struct csio_rnode *rn;
+	struct csio_hw *hw;
+	struct csio_lnode *ln;
+
+	rn = *((struct csio_rnode **)rport->dd_data);
+	ln = csio_rnode_to_lnode(rn);
+	hw = csio_lnode_to_hw(ln);
+
+	spin_lock_irq(&hw->lock);
+
+	/* return if driver is being removed or same rnode comes back online */
+	if (csio_is_hw_removing(hw) || csio_is_rnode_ready(rn))
+		goto out;
+
+	csio_ln_dbg(ln, "devloss timeout on rnode:%p portid:x%x flowid:x%x\n",
+		    rn, rn->nport_id, csio_rn_flowid(rn));
+
+	CSIO_INC_STATS(ln, n_dev_loss_tmo);
+
+	/*
+	 * enqueue devloss event to event worker thread to serialize all
+	 * rnode events.
+	 */
+	if (csio_enqueue_evt(hw, CSIO_EVT_DEV_LOSS, &rn, sizeof(rn))) {
+		CSIO_INC_STATS(hw, n_evt_drop);
+		goto out;
+	}
+
+	if (!(hw->flags & CSIO_HWF_FWEVT_PENDING)) {
+		hw->flags |= CSIO_HWF_FWEVT_PENDING;
+		spin_unlock_irq(&hw->lock);
+		schedule_work(&hw->evtq_work);
+		return;
+	}
+
+out:
+	spin_unlock_irq(&hw->lock);
+}
+
+/* FC transport functions template - Physical port */
+struct fc_function_template csio_fc_transport_funcs = {
+	.show_host_node_name = 1,
+	.show_host_port_name = 1,
+	.show_host_supported_classes = 1,
+	.show_host_supported_fc4s = 1,
+	.show_host_maxframe_size = 1,
+
+	.get_host_port_id = csio_get_host_port_id,
+	.show_host_port_id = 1,
+
+	.get_host_port_type = csio_get_host_port_type,
+	.show_host_port_type = 1,
+
+	.get_host_port_state = csio_get_host_port_state,
+	.show_host_port_state = 1,
+
+	.show_host_active_fc4s = 1,
+	.get_host_speed = csio_get_host_speed,
+	.show_host_speed = 1,
+	.get_host_fabric_name = csio_get_host_fabric_name,
+	.show_host_fabric_name = 1,
+
+	.get_fc_host_stats = csio_get_stats,
+
+	.dd_fcrport_size = sizeof(struct csio_rnode *),
+	.show_rport_maxframe_size = 1,
+	.show_rport_supported_classes = 1,
+
+	.set_rport_dev_loss_tmo = csio_set_rport_loss_tmo,
+	.show_rport_dev_loss_tmo = 1,
+
+	.show_starget_port_id = 1,
+	.show_starget_node_name = 1,
+	.show_starget_port_name = 1,
+
+	.dev_loss_tmo_callbk = csio_dev_loss_tmo_callbk,
+	.dd_fcvport_size = sizeof(struct csio_lnode *),
+
+	.vport_create = csio_vport_create,
+	.vport_disable = csio_vport_disable,
+	.vport_delete = csio_vport_delete,
+};
+
+/* FC transport functions template - Virtual  port */
+struct fc_function_template csio_fc_transport_vport_funcs = {
+	.show_host_node_name = 1,
+	.show_host_port_name = 1,
+	.show_host_supported_classes = 1,
+	.show_host_supported_fc4s = 1,
+	.show_host_maxframe_size = 1,
+
+	.get_host_port_id = csio_get_host_port_id,
+	.show_host_port_id = 1,
+
+	.get_host_port_type = csio_get_host_port_type,
+	.show_host_port_type = 1,
+
+	.get_host_port_state = csio_get_host_port_state,
+	.show_host_port_state = 1,
+	.show_host_active_fc4s = 1,
+
+	.get_host_speed = csio_get_host_speed,
+	.show_host_speed = 1,
+
+	.get_host_fabric_name = csio_get_host_fabric_name,
+	.show_host_fabric_name = 1,
+
+	.get_fc_host_stats = csio_get_stats,
+
+	.dd_fcrport_size = sizeof(struct csio_rnode *),
+	.show_rport_maxframe_size = 1,
+	.show_rport_supported_classes = 1,
+
+	.set_rport_dev_loss_tmo = csio_set_rport_loss_tmo,
+	.show_rport_dev_loss_tmo = 1,
+
+	.show_starget_port_id = 1,
+	.show_starget_node_name = 1,
+	.show_starget_port_name = 1,
+
+	.dev_loss_tmo_callbk = csio_dev_loss_tmo_callbk,
+
+};