xref: /illumos-gate/usr/src/uts/common/io/fibre-channel/fca/emlxs/emlxs_fct.c (revision 291a2b48)

/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License (the "License").
 * You may not use this file except in compliance with the License.
 *
 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
 * or http://www.opensolaris.org/os/licensing.
 * See the License for the specific language governing permissions
 * and limitations under the License.
 *
 * When distributing Covered Code, include this CDDL HEADER in each
 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
 * If applicable, add the following below this CDDL HEADER, with the
 * fields enclosed by brackets "[]" replaced with your own identifying
 * information: Portions Copyright [yyyy] [name of copyright owner]
 *
 * CDDL HEADER END
 */

/*
 * Copyright 2009 Emulex.  All rights reserved.
 * Use is subject to License terms.
 */

#include <emlxs.h>

#ifdef SFCT_SUPPORT


/* Required for EMLXS_CONTEXT in EMLXS_MSGF calls */
EMLXS_MSG_DEF(EMLXS_FCT_C);

#ifndef PORT_SPEED_10G
#define	PORT_SPEED_10G			0x10
#endif /* PORT_SPEED_10G */

static void emlxs_fct_handle_acc(emlxs_port_t *port, emlxs_buf_t *sbp,
    IOCBQ *iocbq);
static void emlxs_fct_handle_reject(emlxs_port_t *port, emlxs_buf_t *sbp,
    IOCBQ *iocbq);
static emlxs_buf_t *emlxs_fct_cmd_init(emlxs_port_t *port,
    fct_cmd_t *fct_cmd);
static int emlxs_fct_cmd_uninit(emlxs_port_t *port, fct_cmd_t *fct_cmd);

static fct_status_t emlxs_flogi_xchg(struct fct_local_port *fct_port,
    struct fct_flogi_xchg *fx);
static fct_status_t emlxs_fct_get_link_info(fct_local_port_t *fct_port,
    fct_link_info_t *link);
static fct_status_t emlxs_fct_deregister_remote_port(fct_local_port_t *fct_port,
    fct_remote_port_t *port_handle);
static fct_status_t emlxs_fct_send_cmd(fct_cmd_t *fct_cmd);
static fct_status_t emlxs_fct_send_fcp_data(fct_cmd_t *fct_cmd,
    stmf_data_buf_t *dbuf, uint32_t ioflags);
static fct_status_t emlxs_fct_send_cmd_rsp(fct_cmd_t *fct_cmd, uint32_t flags);
static fct_status_t emlxs_fct_abort(fct_local_port_t *fct_port,
    fct_cmd_t *cmd, uint32_t flags);
static void emlxs_fct_ctl(fct_local_port_t *fct_port, int cmd, void *arg);
static fct_status_t emlxs_fct_register_remote_port(fct_local_port_t *fct_port,
    fct_remote_port_t *port_handle, fct_cmd_t *plogi);
static fct_status_t emlxs_fct_send_els_cmd(fct_cmd_t *fct_cmd);
static fct_status_t emlxs_fct_send_ct_cmd(fct_cmd_t *fct_cmd);
static fct_status_t emlxs_fct_send_fcp_status(fct_cmd_t *fct_cmd);
static fct_status_t emlxs_fct_send_els_rsp(fct_cmd_t *fct_cmd);
static void emlxs_fct_pkt_comp(fc_packet_t *pkt);
static void emlxs_populate_hba_details(fct_local_port_t *fct_port,
    fct_port_attrs_t *port_attrs);

static fct_status_t emlxs_fct_dmem_init(emlxs_port_t *port);
static void emlxs_fct_dmem_fini(emlxs_port_t *port);

static stmf_data_buf_t *emlxs_fct_dbuf_alloc(fct_local_port_t *fct_port,
    uint32_t size, uint32_t *pminsize, uint32_t flags);
static void emlxs_fct_dbuf_free(fct_dbuf_store_t *fds, stmf_data_buf_t *dbuf);

static void emlxs_fct_dbuf_dma_sync(stmf_data_buf_t *dbuf, uint_t sync_type);
static emlxs_buf_t *emlxs_fct_pkt_init(emlxs_port_t *port,
    fct_cmd_t *fct_cmd, fc_packet_t *pkt);

static void emlxs_fct_unsol_flush(emlxs_port_t *port);
static uint32_t emlxs_fct_process_unsol_flogi(emlxs_port_t *port, RING *rp,
    IOCBQ *iocbq, MATCHMAP *mp, uint32_t size);
static uint32_t emlxs_fct_process_unsol_plogi(emlxs_port_t *port, RING *rp,
    IOCBQ *iocbq, MATCHMAP *mp, uint32_t size);
static fct_status_t emlxs_fct_pkt_abort(emlxs_port_t *port, emlxs_buf_t *sbp);
static fct_status_t emlxs_fct_send_qfull_reply(emlxs_port_t *port,
    emlxs_node_t *ndlp, uint16_t xid, uint32_t class, emlxs_fcp_cmd_t *fcp_cmd);
static void emlxs_fct_dbuf_dma_sync(stmf_data_buf_t *dbuf, uint_t sync_type);

#ifdef FCT_IO_TRACE
uint8_t *emlxs_iotrace = 0;	/* global for mdb */
int emlxs_iotrace_cnt = 0;

void
emlxs_fct_io_trace(emlxs_port_t *port, fct_cmd_t *fct_cmd, uint32_t data)
{
	emlxs_iotrace_t *iop = port->iotrace;
	uint16_t iotrace_cnt;
	uint16_t iotrace_index;
	int i;

	if (!iop) {
		return;
	}

	mutex_enter(&port->iotrace_mtx);
	iotrace_cnt = port->iotrace_cnt;
	iotrace_index = port->iotrace_index;

	switch (data) {

		/* New entry */
	case EMLXS_FCT_ELS_CMD_RECEIVED:
	case EMLXS_FCT_FCP_CMD_RECEIVED:
	case EMLXS_FCT_SEND_ELS_REQ:
	case EMLXS_FCT_SEND_CT_REQ:
		for (i = 0; i < iotrace_cnt; i++) {
			if ((iop->fct_cmd == fct_cmd) &&
			    (iop->trc[0] != (uint8_t)(0)))
				break;
			iop++;
		}
		if (i < iotrace_cnt) {
			/* New entry already exists */
			mutex_exit(&port->iotrace_mtx);
			EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_detail_msg,
			    "IOTRACE: New entry already exists: fct_cmd: %p",
			    fct_cmd);
			return;
		}
		iop = port->iotrace + iotrace_index;
		for (i = 0; i < iotrace_cnt; i++) {
			if (iop->trc[0] == (uint8_t)(0))
				break;

			iop++;
			if (iop == (port->iotrace + iotrace_cnt))
				iop = port->iotrace;
		}
		if (i >= iotrace_cnt) {
			/* No new slots available */
			mutex_exit(&port->iotrace_mtx);
			EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_detail_msg,
			    "IOTRACE: No new slots: fct_cmd: %p data: %d",
			    fct_cmd, data);
			return;
		}
		port->iotrace_index++;
		if (port->iotrace_index >= iotrace_cnt)
			port->iotrace_index = 0;

		bzero((uint8_t *)iop, sizeof (emlxs_iotrace_t));
		iop->fct_cmd = fct_cmd;
		iop->xri = fct_cmd->cmd_rxid;
		iop->marker = 0xff;
		iop->trc[0] = 2;
		iop->trc[1] = data;
		mutex_exit(&port->iotrace_mtx);
		return;
	}

	for (i = 0; i < iotrace_cnt; i++) {
		if ((iop->fct_cmd == fct_cmd) &&
		    (iop->trc[0] != (uint8_t)(0)))
			break;
		iop++;
	}
	if (i >= iotrace_cnt) {
		/* Cannot find existing slot for fct_cmd */
		mutex_exit(&port->iotrace_mtx);

		if ((data != EMLXS_FCT_REG_PENDING) &&
		    (data != EMLXS_FCT_REG_COMPLETE)) {
			EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_detail_msg,
			    "IOTRACE: Missing slot: fct_cmd: %p data: %d",
			    fct_cmd, data);
		}
		return;
	}

	if (iop->trc[0] >= MAX_IO_TRACE) {
		/* trc overrun for fct_cmd */
		mutex_exit(&port->iotrace_mtx);
		EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_detail_msg,
		    "IOTRACE: trc overrun slot: fct_cmd: %p data: %d",
		    fct_cmd, data);
		return;
	}

	if (iop->xri != fct_cmd->cmd_rxid) {
		/* xri mismatch for fct_cmd */
		mutex_exit(&port->iotrace_mtx);
		EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_detail_msg,
		    "IOTRACE: xri mismatch %x != %x: fct_cmd: %p data: %d",
		    iop->xri, fct_cmd->cmd_rxid, fct_cmd, data);
		return;
	}

	iop->trc[iop->trc[0]] = data;
	if ((data == EMLXS_FCT_IO_DONE) || (data == EMLXS_FCT_ABORT_DONE)) {
		/* IOCB ulpCommand is saved after EMLXS_FCT_IOCB_ISSUED */
		if (iop->trc[iop->trc[0]-1] == EMLXS_FCT_IOCB_ISSUED)
			iop->trc[0]++;
		else
			iop->trc[0] = 0;
	}
	else
		iop->trc[0]++;
	mutex_exit(&port->iotrace_mtx);
}
#endif /* FCT_IO_TRACE */

#ifdef MODSYM_SUPPORT

static int
emlxs_fct_modopen()
{
	int err;

	if (emlxs_modsym.mod_fct) {
		return (1);
	}

	/* Comstar (fct) */
	err = 0;
	emlxs_modsym.mod_fct = ddi_modopen("drv/fct", KRTLD_MODE_FIRST, &err);
	if (!emlxs_modsym.mod_fct) {

		cmn_err(CE_WARN, "?%s: ddi_modopen drv/fct failed: err %d",
		    DRIVER_NAME, err);
		goto failed;
	}

	/* Comstar (stmf) */
	err = 0;
	emlxs_modsym.mod_stmf =
	    ddi_modopen("drv/stmf", KRTLD_MODE_FIRST, &err);
	if (!emlxs_modsym.mod_stmf) {

		cmn_err(CE_WARN, "?%s: ddi_modopen drv/stmf failed: err %d",
		    DRIVER_NAME, err);
		goto failed;
	}

	err = 0;
	/* Check if the fct fct_alloc is present */
	emlxs_modsym.fct_alloc = (void *(*)())ddi_modsym(emlxs_modsym.mod_fct,
	    "fct_alloc", &err);
	if ((void *)emlxs_modsym.fct_alloc == NULL) {
		cmn_err(CE_WARN,
		    "?%s: drv/fct: fct_alloc not present", DRIVER_NAME);
		goto failed;
	}

	err = 0;
	/* Check if the fct fct_free is present */
	emlxs_modsym.fct_free = (void (*)())ddi_modsym(emlxs_modsym.mod_fct,
	    "fct_free", &err);
	if ((void *)emlxs_modsym.fct_free == NULL) {
		cmn_err(CE_WARN,
		    "?%s: drv/fct: fct_free not present", DRIVER_NAME);
		goto failed;
	}

	err = 0;
	/* Check if the fct fct_scsi_task_alloc is present */
	emlxs_modsym.fct_scsi_task_alloc =
	    (void *(*)(void *, uint16_t, uint32_t, uint8_t *,
	    uint16_t, uint16_t))ddi_modsym(emlxs_modsym.mod_fct,
	    "fct_scsi_task_alloc", &err);
	if ((void *)emlxs_modsym.fct_scsi_task_alloc == NULL) {
		cmn_err(CE_WARN,
		    "?%s: drv/fct: fct_scsi_task_alloc not present",
		    DRIVER_NAME);
		goto failed;
	}

	err = 0;
	/* Check if the fct fct_register_local_port is present */
	emlxs_modsym.fct_register_local_port =
	    (int (*)())ddi_modsym(emlxs_modsym.mod_fct,
	    "fct_register_local_port", &err);
	if ((void *)emlxs_modsym.fct_register_local_port == NULL) {
		cmn_err(CE_WARN,
		    "?%s: drv/fct: fct_register_local_port not present",
		    DRIVER_NAME);
		goto failed;
	}

	err = 0;
	/* Check if the fct fct_deregister_local_port is present */
	emlxs_modsym.fct_deregister_local_port =
	    (void (*)())ddi_modsym(emlxs_modsym.mod_fct,
	    "fct_deregister_local_port", &err);
	if ((void *)emlxs_modsym.fct_deregister_local_port == NULL) {
		cmn_err(CE_WARN,
		    "?%s: drv/fct: fct_deregister_local_port not present",
		    DRIVER_NAME);
		goto failed;
	}

	err = 0;
	/* Check if the fct fct_handle_event is present */
	emlxs_modsym.fct_handle_event =
	    (void (*)())ddi_modsym(emlxs_modsym.mod_fct, "fct_handle_event",
	    &err);
	if ((void *)emlxs_modsym.fct_handle_event == NULL) {
		cmn_err(CE_WARN,
		    "?%s: drv/fct: fct_handle_event not present",
		    DRIVER_NAME);
		goto failed;
	}

	err = 0;
	/* Check if the fct fct_post_rcvd_cmd is present */
	emlxs_modsym.fct_post_rcvd_cmd =
	    (void (*)())ddi_modsym(emlxs_modsym.mod_fct, "fct_post_rcvd_cmd",
	    &err);
	if ((void *)emlxs_modsym.fct_post_rcvd_cmd == NULL) {
		cmn_err(CE_WARN,
		    "?%s: drv/fct: fct_post_rcvd_cmd not present",
		    DRIVER_NAME);
		goto failed;
	}
	err = 0;
	/* Check if the fct fct_alloc is present */
	emlxs_modsym.fct_ctl = (void (*)())ddi_modsym(emlxs_modsym.mod_fct,
	    "fct_ctl", &err);
	if ((void *)emlxs_modsym.fct_ctl == NULL) {
		cmn_err(CE_WARN,
		    "?%s: drv/fct: fct_ctl not present", DRIVER_NAME);
		goto failed;
	}
	err = 0;
	/* Check if the fct fct_queue_cmd_for_termination is present */
	emlxs_modsym.fct_queue_cmd_for_termination =
	    (void (*)())ddi_modsym(emlxs_modsym.mod_fct,
	    "fct_queue_cmd_for_termination", &err);
	if ((void *)emlxs_modsym.fct_queue_cmd_for_termination == NULL) {
		cmn_err(CE_WARN,
		    "?%s: drv/fct: fct_queue_cmd_for_termination not present",
		    DRIVER_NAME);
		goto failed;
	}
	err = 0;
	/* Check if the fct fct_send_response_done is present */
	emlxs_modsym.fct_send_response_done =
	    (void (*)())ddi_modsym(emlxs_modsym.mod_fct,
	    "fct_send_response_done", &err);
	if ((void *)emlxs_modsym.fct_send_response_done == NULL) {
		cmn_err(CE_WARN,
		    "?%s: drv/fct: fct_send_response_done not present",
		    DRIVER_NAME);
		goto failed;
	}
	err = 0;
	/* Check if the fct fct_send_cmd_done is present */
	emlxs_modsym.fct_send_cmd_done =
	    (void (*)())ddi_modsym(emlxs_modsym.mod_fct, "fct_send_cmd_done",
	    &err);
	if ((void *)emlxs_modsym.fct_send_cmd_done == NULL) {
		cmn_err(CE_WARN,
		    "?%s: drv/fct: fct_send_cmd_done not present",
		    DRIVER_NAME);
		goto failed;
	}
	err = 0;
	/* Check if the fct fct_scsi_xfer_data_done is present */
	emlxs_modsym.fct_scsi_data_xfer_done =
	    (void (*)())ddi_modsym(emlxs_modsym.mod_fct,
	    "fct_scsi_data_xfer_done", &err);
	if ((void *)emlxs_modsym.fct_scsi_data_xfer_done == NULL) {
		cmn_err(CE_WARN,
		    "?%s: drv/fct: fct_scsi_data_xfer_done not present",
		    DRIVER_NAME);
		goto failed;
	}
	err = 0;
	/* Check if the fct fct_port_shutdown is present */
	emlxs_modsym.fct_port_shutdown =
	    (fct_status_t(*)())ddi_modsym(emlxs_modsym.mod_fct,
	    "fct_port_shutdown", &err);
	if ((void *)emlxs_modsym.fct_port_shutdown == NULL) {
		cmn_err(CE_WARN,
		    "?%s: drv/fct: fct_port_shutdown not present",
		    DRIVER_NAME);
		goto failed;
	}

	err = 0;
	/* Check if the fct fct_port_initialize is present */
	emlxs_modsym.fct_port_initialize =
	    (fct_status_t(*)())ddi_modsym(emlxs_modsym.mod_fct,
	    "fct_port_initialize", &err);
	if ((void *)emlxs_modsym.fct_port_initialize == NULL) {
		cmn_err(CE_WARN,
		    "?%s: drv/fct: fct_port_initialize not present",
		    DRIVER_NAME);
		goto failed;
	}

	err = 0;
	/* Check if the fct fct_cmd_fca_aborted is present */
	emlxs_modsym.fct_cmd_fca_aborted =
	    (void (*)())ddi_modsym(emlxs_modsym.mod_fct,
	    "fct_cmd_fca_aborted", &err);
	if ((void *)emlxs_modsym.fct_cmd_fca_aborted == NULL) {
		cmn_err(CE_WARN,
		    "?%s: drv/fct: fct_cmd_fca_aborted not present",
		    DRIVER_NAME);
		goto failed;
	}

	err = 0;
	/* Check if the fct fct_handle_rcvd_flogi is present */
	emlxs_modsym.fct_handle_rcvd_flogi =
	    (fct_status_t(*)())ddi_modsym(emlxs_modsym.mod_fct,
	    "fct_handle_rcvd_flogi", &err);
	if ((void *)emlxs_modsym.fct_handle_rcvd_flogi == NULL) {
		cmn_err(CE_WARN,
		    "?%s: drv/fct: fct_handle_rcvd_flogi not present",
		    DRIVER_NAME);
		goto failed;
	}

	/* Comstar (stmf) */
	err = 0;
	/* Check if the stmf stmf_alloc is present */
	emlxs_modsym.stmf_alloc =
	    (void *(*)())ddi_modsym(emlxs_modsym.mod_stmf, "stmf_alloc",
	    &err);
	if ((void *)emlxs_modsym.stmf_alloc == NULL) {
		cmn_err(CE_WARN,
		    "?%s: drv/stmf: stmf_alloc not present", DRIVER_NAME);
		goto failed;
	}

	err = 0;
	/* Check if the stmf stmf_free is present */
	emlxs_modsym.stmf_free = (void (*)())ddi_modsym(emlxs_modsym.mod_stmf,
	    "stmf_free", &err);
	if ((void *)emlxs_modsym.stmf_free == NULL) {
		cmn_err(CE_WARN,
		    "?%s: drv/stmf: stmf_free not present", DRIVER_NAME);
		goto failed;
	}

	err = 0;
	/* Check if the stmf stmf_deregister_port_provider is present */
	emlxs_modsym.stmf_deregister_port_provider =
	    (void (*)())ddi_modsym(emlxs_modsym.mod_stmf,
	    "stmf_deregister_port_provider", &err);
	if ((void *)emlxs_modsym.stmf_deregister_port_provider == NULL) {
		cmn_err(CE_WARN,
		    "?%s: drv/stmf: stmf_deregister_port_provider not present",
		    DRIVER_NAME);
		goto failed;
	}

	err = 0;
	/* Check if the stmf stmf_register_port_provider is present */
	emlxs_modsym.stmf_register_port_provider =
	    (int (*)())ddi_modsym(emlxs_modsym.mod_stmf,
	    "stmf_register_port_provider", &err);
	if ((void *)emlxs_modsym.stmf_register_port_provider == NULL) {
		cmn_err(CE_WARN,
		    "?%s: drv/stmf: stmf_register_port_provider not present",
		    DRIVER_NAME);
		goto failed;
	}
	return (1);

failed:
	emlxs_fct_modclose();
	return (0);

}  /* emlxs_fct_modopen() */


extern void
emlxs_fct_modclose()
{

	if (emlxs_modsym.mod_fct) {
		(void) ddi_modclose(emlxs_modsym.mod_fct);
		emlxs_modsym.mod_fct = 0;
	}

	if (emlxs_modsym.mod_stmf) {
		(void) ddi_modclose(emlxs_modsym.mod_stmf);
		emlxs_modsym.mod_stmf = 0;
	}

	emlxs_modsym.fct_alloc = NULL;
	emlxs_modsym.fct_free = NULL;
	emlxs_modsym.fct_scsi_task_alloc = NULL;
	emlxs_modsym.fct_register_local_port = NULL;
	emlxs_modsym.fct_deregister_local_port = NULL;
	emlxs_modsym.fct_handle_event = NULL;
	emlxs_modsym.fct_ctl = NULL;
	emlxs_modsym.fct_queue_cmd_for_termination = NULL;
	emlxs_modsym.fct_send_response_done = NULL;
	emlxs_modsym.fct_send_cmd_done = NULL;
	emlxs_modsym.fct_scsi_data_xfer_done = NULL;
	emlxs_modsym.fct_port_shutdown = NULL;
	emlxs_modsym.fct_port_initialize = NULL;
	emlxs_modsym.fct_cmd_fca_aborted = NULL;
	emlxs_modsym.fct_handle_rcvd_flogi = NULL;

	emlxs_modsym.stmf_alloc = NULL;
	emlxs_modsym.stmf_free = NULL;
	emlxs_modsym.stmf_deregister_port_provider = NULL;
	emlxs_modsym.stmf_register_port_provider = NULL;

}  /* emlxs_fct_modclose() */

#endif /* MODSYM_SUPPORT */


/* This routine is called to process a FLOGI ELS command that been recieved. */
static void
emlxs_fct_handle_rcvd_flogi(emlxs_port_t *port)
{
	fct_status_t status;
	IOCBQ iocbq;

	/*
	 * If FCT has been notified of a Link Up event, process the
	 * FLOGI now. Otherwise, defer processing till the Link Up happens.
	 */
	if (port->fct_flags & FCT_STATE_LINK_UP) {
		/* Setup for call to emlxs_els_reply() */
		bzero((uint8_t *)&iocbq, sizeof (IOCBQ));
		iocbq.iocb.un.elsreq.remoteID = port->fx.fx_sid;
		iocbq.iocb.un.elsreq.myID = port->fx.fx_did;
		iocbq.iocb.ulpContext = port->fx_context;

		status =
		    MODSYM(fct_handle_rcvd_flogi) (port->fct_port, &port->fx);

#ifdef FCT_API_TRACE
		EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_api_msg,
		    "fct_handle_rcvd_flogi %p: x%x", port->fct_port, status);
#endif /* FCT_API_TRACE */

		if (status == FCT_SUCCESS) {
			if (port->fx.fx_op == ELS_OP_ACC) {
				(void) emlxs_els_reply(port, &iocbq,
				    ELS_CMD_ACC, ELS_CMD_FLOGI, 0, 0);
			} else {	/* ELS_OP_LSRJT */

				(void) emlxs_els_reply(port, &iocbq,
				    ELS_CMD_LS_RJT,
				    ELS_CMD_FLOGI, port->fx.fx_rjt_reason,
				    port->fx.fx_rjt_expl);
			}
		} else {
			EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_unsol_els_msg,
			    "FLOGI: sid=%x. fct_handle_rcvd_flogi failed. "
			    "Rejecting.",
			    port->fx.fx_sid);

			(void) emlxs_els_reply(port, &iocbq, ELS_CMD_LS_RJT,
			    ELS_CMD_FLOGI, LSRJT_UNABLE_TPC,
			    LSEXP_NOTHING_MORE);
		}

		port->fx.fx_op = 0;
	}

	return;

}  /* emlxs_fct_handle_rcvd_flogi() */


extern void
emlxs_fct_unsol_callback(emlxs_port_t *port, fct_cmd_t *fct_cmd)
{
	emlxs_hba_t *hba = HBA;
	emlxs_buf_t *cmd_sbp;

	cmd_sbp = (emlxs_buf_t *)fct_cmd->cmd_fca_private;

	if (!(port->fct_flags & FCT_STATE_PORT_ONLINE)) {
		mutex_enter(&cmd_sbp->mtx);
		cmd_sbp->pkt_flags |= PACKET_RETURNED;
		mutex_exit(&cmd_sbp->mtx);

		emlxs_fct_state_chg(fct_cmd, cmd_sbp, EMLXS_FCT_CMD_POSTED);
		mutex_exit(&cmd_sbp->fct_mtx);

#ifdef FCT_API_TRACE
		EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_api_msg,
		    "fct_post_rcvd_cmd:4 %p: portid x%x", fct_cmd,
		    fct_cmd->cmd_lportid);
#endif /* FCT_API_TRACE */
		MODSYM(fct_post_rcvd_cmd) (fct_cmd, 0);
		return;
	}

	/* Online & Link up */
	if (port->fct_flags & FCT_STATE_LINK_UP) {
		mutex_enter(&cmd_sbp->mtx);
		cmd_sbp->pkt_flags |= PACKET_RETURNED;
		mutex_exit(&cmd_sbp->mtx);

		emlxs_fct_state_chg(fct_cmd, cmd_sbp, EMLXS_FCT_CMD_POSTED);
		mutex_exit(&cmd_sbp->fct_mtx);

#ifdef FCT_API_TRACE
		EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_api_msg,
		    "fct_post_rcvd_cmd:1 %p: portid x%x", fct_cmd,
		    fct_cmd->cmd_lportid);
#endif /* FCT_API_TRACE */
		MODSYM(fct_post_rcvd_cmd) (fct_cmd, 0);
	} else {	/* Online & Link down */

		/*
		 * Defer processing of fct_cmd till later (after link up).
		 * Add buffer to queue tail
		 */
		mutex_enter(&EMLXS_PORT_LOCK);

		if (port->fct_wait_tail) {
			port->fct_wait_tail->next = cmd_sbp;
		}
		port->fct_wait_tail = cmd_sbp;

		if (!port->fct_wait_head) {
			port->fct_wait_head = cmd_sbp;
		}

		mutex_exit(&EMLXS_PORT_LOCK);

		emlxs_fct_state_chg(fct_cmd, cmd_sbp, EMLXS_FCT_CMD_WAITQ);
		mutex_exit(&cmd_sbp->fct_mtx);

	}
	return;

}  /* emlxs_fct_unsol_callback() */


/* This is called at port online and offline */
static void
emlxs_fct_unsol_flush(emlxs_port_t *port)
{
	emlxs_hba_t *hba = HBA;
	emlxs_buf_t *cmd_sbp;
	emlxs_buf_t *next;
	fct_cmd_t *fct_cmd;

	if (!port->fct_port) {
		return;
	}

	/* Return if nothing to do */
	if (!port->fct_wait_head) {
		return;
	}

	mutex_enter(&EMLXS_PORT_LOCK);
	cmd_sbp = port->fct_wait_head;
	port->fct_wait_head = NULL;
	port->fct_wait_tail = NULL;
	mutex_exit(&EMLXS_PORT_LOCK);

	/* First, see if there is an outstanding FLOGI to process */
	if (port->fx.fx_op == ELS_OP_FLOGI) {
		if (port->fct_flags & FCT_STATE_LINK_UP) {
			/* Process Deferred FLOGI now */
			emlxs_fct_handle_rcvd_flogi(port);
		} else {
			port->fx.fx_op = 0;	/* Flush delayed FLOGI */
		}
	}

	/*
	 * Next process any outstanding ELS commands. It doesn't
	 * matter if the Link is up or not, always post them to FCT.
	 */
	while (cmd_sbp) {
		next = cmd_sbp->next;
		fct_cmd = cmd_sbp->fct_cmd;

		EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_detail_msg,
		    "Completing fct_cmd: %p", fct_cmd);

		mutex_enter(&cmd_sbp->mtx);
		cmd_sbp->pkt_flags |= PACKET_RETURNED;
		mutex_exit(&cmd_sbp->mtx);

#ifdef FCT_API_TRACE
		EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_api_msg,
		    "fct_post_rcvd_cmd:2 %p: portid x%x", fct_cmd,
		    fct_cmd->cmd_lportid);
#endif /* FCT_API_TRACE */
		MODSYM(fct_post_rcvd_cmd) (fct_cmd, 0);

		cmd_sbp = next;

	}	/* while() */

	return;

}  /* emlxs_fct_unsol_flush() */


int
emlxs_is_digit(uint8_t chr)
{
	if ((chr >= '0') && (chr <= '9')) {
		return (1);
	}

	return (0);

}  /* emlxs_is_digit */


/*
 *   Convert an ASCII decimal numeric string to integer.
 *   Negation character '-' is not handled.
 */
uint32_t
emlxs_str_atoi(uint8_t *string)
{
	uint32_t num = 0;
	int i = 0;

	while (string[i]) {
		if (!emlxs_is_digit(string[i])) {
			return (num);
		}

		num = num * 10 + (string[i++] - '0');
	}

	return (num);

}  /* emlxs_str_atoi() */


static void
emlxs_init_fct_bufpool(emlxs_hba_t *hba, char **arrayp, uint32_t cnt)
{
	emlxs_port_t *port = &PPORT;
	uint8_t *datap;
	int i;
	int bck;
	int nbufs;
	int maxbufs;
	int size;

	bzero((uint8_t *)port->dmem_bucket, sizeof (port->dmem_bucket));
	bck = 0;
	for (i = 0; i < cnt; i++) {
		datap = (uint8_t *)arrayp[i];
		if (datap == 0)
			break;

		while (*datap == ' ')	/* Skip spaces */
			datap++;

		size = emlxs_str_atoi(datap);

		while ((*datap != ':') && (*datap != 0))
			datap++;
		if (*datap == ':')	/* Skip past delimeter */
			datap++;
		while (*datap == ' ')	/* Skip spaces */
			datap++;

		nbufs = emlxs_str_atoi(datap);

		/* Check for a bad entry */
		if (!size || !nbufs) {
			EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_detail_msg,
			    "Bad fct-bufpool entry %d %d", size, nbufs);

			port->dmem_bucket[bck].dmem_buf_size = 0;
			port->dmem_bucket[bck].dmem_nbufs = 0;
			size = 0;
			nbufs = 0;
		}

		while (nbufs) {
			port->dmem_bucket[bck].dmem_buf_size = size;
			port->dmem_bucket[bck].dmem_nbufs = nbufs;

			/*
			 * We are not going to try to allocate a chunk
			 * of memory > FCT_DMEM_MAX_BUF_SEGMENT
			 * to accomidate the buffer pool of the
			 * requested size.
			 */
			maxbufs = (FCT_DMEM_MAX_BUF_SEGMENT / size);

			if (nbufs > maxbufs) {
				port->dmem_bucket[bck].dmem_nbufs = maxbufs;
				nbufs -= maxbufs;
				bck++;
				if (bck >= FCT_MAX_BUCKETS)
					break;
			} else {
				bck++;
				nbufs = 0;
			}
		}

		if (bck >= FCT_MAX_BUCKETS) {
			EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_detail_msg,
			    "fct-bufpool entry %d %d Exceeds available buckets",
			    size, nbufs);
			break;
		}
	}
}


static void
emlxs_fct_cfg_init(emlxs_hba_t *hba)
{
	emlxs_port_t *port = &PPORT;
	char **arrayp;
	uint32_t cnt;
	char buf[32];
	int status;

	bzero((void *)buf, 32);
	cnt = 0;
	arrayp = NULL;

	(void) sprintf(buf, "emlxs%d-fct-bufpool", ddi_get_instance(hba->dip));
	status = ddi_prop_lookup_string_array(DDI_DEV_T_ANY, hba->dip,
	    (DDI_PROP_DONTPASS), buf, &arrayp, &cnt);

	if ((status == DDI_PROP_SUCCESS) && cnt && arrayp) {
		emlxs_init_fct_bufpool(hba, arrayp, cnt);
	} else {
		status = ddi_prop_lookup_string_array(DDI_DEV_T_ANY, hba->dip,
		    (DDI_PROP_DONTPASS), "fct-bufpool", &arrayp, &cnt);

		if ((status == DDI_PROP_SUCCESS) && cnt && arrayp) {
			emlxs_init_fct_bufpool(hba, arrayp, cnt);
		} else {
			bzero((uint8_t *)port->dmem_bucket,
			    sizeof (port->dmem_bucket));
			port->dmem_bucket[0].dmem_buf_size = 512;
			port->dmem_bucket[0].dmem_nbufs = FCT_BUF_COUNT_512;
			port->dmem_bucket[1].dmem_buf_size = (2 * 65536);
			port->dmem_bucket[1].dmem_nbufs = FCT_BUF_COUNT_128K;
		}
	}

	bzero((void *)buf, 32);
	cnt = 0;

	/*
	 * 0 means use HBA throttle for target queue depth,
	 * non-0 value is the actual target queue depth,
	 * default is EMLXS_FCT_DFLT_QDEPTH.
	 */
	(void) sprintf(buf, "emlxs%d-fct-queue-depth",
	    ddi_get_instance(hba->dip));
	cnt = ddi_prop_get_int(DDI_DEV_T_ANY, hba->dip,
	    (DDI_PROP_DONTPASS), buf, EMLXS_FCT_DFLT_QDEPTH);

	if ((cnt == DDI_PROP_NOT_FOUND) || (cnt == EMLXS_FCT_DFLT_QDEPTH)) {
		cnt = ddi_prop_get_int(DDI_DEV_T_ANY, hba->dip,
		    (DDI_PROP_DONTPASS), "fct-queue-depth",
		    EMLXS_FCT_DFLT_QDEPTH);

		if (cnt == DDI_PROP_NOT_FOUND) {
			cnt = EMLXS_FCT_DFLT_QDEPTH;
		}
	}

	port->fct_queue_depth = cnt;

#ifdef FCT_IO_TRACE
	port->iotrace_cnt = 1024;
	port->iotrace_index = 0;
	if (cnt)
		port->iotrace_cnt = (2 * cnt);
	port->iotrace =
	    kmem_zalloc(port->iotrace_cnt * sizeof (emlxs_iotrace_t),
	    KM_SLEEP);
	mutex_init(&port->iotrace_mtx, NULL, MUTEX_DRIVER,
	    (void *)hba->intr_arg);
	emlxs_iotrace = (uint8_t *)port->iotrace;
	emlxs_iotrace_cnt = port->iotrace_cnt;
	EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_detail_msg,
	    "IOTRACE: init:%p cnt:%d", emlxs_iotrace, emlxs_iotrace_cnt);
	EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_detail_msg,
	    "FCT_ABORT_SUCCESS:%lx FCT_SUCCESS:%lx", FCT_ABORT_SUCCESS,
	    FCT_SUCCESS);
#endif /* FCT_IO_TRACE */
	return;

}  /* emlxs_fct_cfg_init() */


extern void
emlxs_fct_init(emlxs_hba_t *hba)
{
	emlxs_port_t *port = &PPORT;
	emlxs_config_t *cfg = &CFG;
	emlxs_port_t *vport;
	uint32_t i;

	if (!hba->tgt_mode) {
		return;
	}
#ifdef MODSYM_SUPPORT
	/* Open COMSTAR */
	(void) emlxs_fct_modopen();
#endif /* MODSYM_SUPPORT */

	/* Check if COMSTAR is present */
	if (((void *)MODSYM(stmf_alloc) == NULL) ||
	    ((void *)MODSYM(fct_alloc) == NULL)) {
		EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_attach_debug_msg,
		    "Comstar not present. Target mode disabled.");
		goto failed;
	}

	EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_attach_debug_msg,
	    "Comstar present. Target mode enabled.");

#ifdef NPIV_SUPPORT
	if (cfg[CFG_NPIV_ENABLE].current) {
		EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_init_msg,
		    "enable-npiv: Not supported in target mode. Disabling.");

		/* Temporary patch to disable npiv */
		cfg[CFG_NPIV_ENABLE].current = 0;
	}
#endif /* NPIV_SUPPORT */

#ifdef DHCHAP_SUPPORT
	if (cfg[CFG_AUTH_ENABLE].current) {
		EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_init_msg,
		    "enable-auth: Not supported in target mode. Disabling.");

		/* Temporary patch to disable auth */
		cfg[CFG_AUTH_ENABLE].current = 0;
	}
#endif /* DHCHAP_SUPPORT */

	emlxs_fct_cfg_init(hba);
	return;

failed:

	hba->tgt_mode = 0;
	for (i = 0; i < MAX_VPORTS; i++) {
		vport = &VPORT(i);
		vport->tgt_mode = 0;
		vport->fct_flags = 0;
	}

	return;

}  /* emlxs_fct_init() */


extern void
emlxs_fct_attach(emlxs_hba_t *hba)
{
	emlxs_port_t *port = &PPORT;
	uint32_t vpi;

	if (!hba->tgt_mode) {
		return;
	}

	/* Bind the physical port */
	emlxs_fct_bind_port(port);

	/* Bind virtual ports */
	if (hba->flag & FC_NPIV_ENABLED) {
		for (vpi = 1; vpi < hba->vpi_high; vpi++) {
			port = &VPORT(vpi);

			if (!(port->flag & EMLXS_PORT_ENABLE)) {
				continue;
			}

			emlxs_fct_bind_port(port);
		}
	}

	return;

}  /* emlxs_fct_attach() */


extern void
emlxs_fct_detach(emlxs_hba_t *hba)
{
	uint32_t i;
	emlxs_port_t *vport;

	if (hba->tgt_mode) {
		for (i = 0; i < MAX_VPORTS; i++) {
			vport = &VPORT(i);

			if (!vport->tgt_mode) {
				continue;
			}

			emlxs_fct_unbind_port(vport);
			vport->tgt_mode = 0;
		}


		hba->tgt_mode = 0;
	}
#ifdef FCT_IO_TRACE
	{
		emlxs_port_t *port = &PPORT;

		mutex_destroy(&port->iotrace_mtx);
		if (port->iotrace)
			kmem_free(port->iotrace,
			    (port->iotrace_cnt * sizeof (emlxs_iotrace_t)));
		port->iotrace = NULL;
	}
#endif /* FCT_IO_TRACE */

	return;

}  /* emlxs_fct_detach() */


extern void
emlxs_fct_unbind_port(emlxs_port_t *port)
{
	emlxs_hba_t *hba = HBA;
	char node_name[32];

	if (!port->tgt_mode) {
		return;
	}

	mutex_enter(&EMLXS_PORT_LOCK);
	if (!(port->flag & EMLXS_PORT_BOUND)) {
		mutex_exit(&EMLXS_PORT_LOCK);
		return;
	}

	EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_debug_msg,
	    "emlxs_fct_unbind_port: port=%d", port->vpi);

	/* Destroy & flush all port nodes, if they exist */
	if (port->node_count) {
		(void) emlxs_mb_unreg_rpi(port, 0xffff, 0, 0, 0);
	}

	port->flag &= ~EMLXS_PORT_BOUND;
	hba->num_of_ports--;
	mutex_exit(&EMLXS_PORT_LOCK);

	if (port->fct_port) {
		emlxs_fct_link_down(port);
		emlxs_fct_unsol_flush(port);

#ifdef FCT_API_TRACE
		EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_api_msg,
		    "fct_deregister_local_port %p", port->fct_port);
#endif /* FCT_API_TRACE */
		MODSYM(fct_deregister_local_port) (port->fct_port);

		if (port->fct_port->port_fds) {
#ifdef FCT_API_TRACE
			EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_api_msg,
			    "fct_free:3 %p", port->fct_port->port_fds);
#endif /* FCT_API_TRACE */
			MODSYM(fct_free) (port->fct_port->port_fds);
			port->fct_port->port_fds = NULL;
		}
#ifdef FCT_API_TRACE
		EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_api_msg,
		    "fct_free:4 %p", port->fct_port);
#endif /* FCT_API_TRACE */
		MODSYM(fct_free) (port->fct_port);
		port->fct_port = NULL;
		port->fct_flags = 0;
	}

	if (port->port_provider) {
#ifdef FCT_API_TRACE
		EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_api_msg,
		    "stmf_deregister_port_provider:1 %p",
		    port->port_provider);
#endif /* FCT_API_TRACE */
		MODSYM(stmf_deregister_port_provider) (port->port_provider);

#ifdef FCT_API_TRACE
		EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_api_msg,
		    "stmf_free:1 %p", port->port_provider);
#endif /* FCT_API_TRACE */
		MODSYM(stmf_free) (port->port_provider);
		port->port_provider = NULL;
	}

	if (port->dmem_bucket) {
		emlxs_fct_dmem_fini(port);
	}

	(void) sprintf(node_name, "%d,%d:SFCT", hba->ddiinst, port->vpi);
	(void) ddi_remove_minor_node(hba->dip, node_name);

	return;

}  /* emlxs_fct_unbind_port() */


extern void
emlxs_fct_bind_port(emlxs_port_t *port)
{
	emlxs_hba_t *hba = HBA;
	fct_local_port_t *fct_port;
	uint32_t flag = 0;
	emlxs_config_t *cfg = &CFG;
	fct_dbuf_store_t *fds;
	char node_name[32];

	mutex_enter(&EMLXS_PORT_LOCK);

	if (!hba->tgt_mode || !port->tgt_mode) {
		mutex_exit(&EMLXS_PORT_LOCK);
		return;
	}

	if (port->flag & EMLXS_PORT_BOUND) {
		mutex_exit(&EMLXS_PORT_LOCK);
		return;
	}

	EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_debug_msg,
	    "emlxs_fct_bind_port: port=%d", port->vpi);

	/* Perform generic port initialization */
	emlxs_port_init(port);

	if (port->vpi == 0) {
		(void) sprintf(port->cfd_name, "%s%d", DRIVER_NAME,
		    hba->ddiinst);
	} else {
		(void) sprintf(port->cfd_name, "%s%d.%d", DRIVER_NAME,
		    hba->ddiinst, port->vpi);
	}

	if (emlxs_fct_dmem_init(port) != FCT_SUCCESS) {
		EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_debug_msg,
		    "emlxs_fct_bind_port: Unable to allocate fct memory.");
		goto failed;
	}
	flag |= 0x00000001;

	port->port_provider =
	    (stmf_port_provider_t *)
	    MODSYM(stmf_alloc) (STMF_STRUCT_PORT_PROVIDER, 0, 0);
#ifdef FCT_API_TRACE
	EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_api_msg,
	    "stmf_alloc port_provider %p", port->port_provider);
#endif /* FCT_API_TRACE */

	if (port->port_provider == NULL) {
		EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_debug_msg,
		    "emlxs_fct_bind_port: Unable to allocate port provider.");
		goto failed;
	}
	flag |= 0x00000002;

	port->port_provider->pp_portif_rev = PORTIF_REV_1;
	port->port_provider->pp_name = port->cfd_name;
	port->port_provider->pp_provider_private = port;

#ifdef FCT_API_TRACE
	EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_api_msg,
	    "stmf_register_port_provider %p", port->port_provider);
#endif /* FCT_API_TRACE */
	/* register port provider with framework */
	if (MODSYM(stmf_register_port_provider) (port->port_provider) !=
	    STMF_SUCCESS) {
		EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_debug_msg,
		    "emlxs_fct_bind_port: Unable to register port provider.");
		goto failed;
	}
	flag |= 0x00000004;

	port->fct_port =
	    (fct_local_port_t *)MODSYM(fct_alloc) (FCT_STRUCT_LOCAL_PORT, 0,
	    0);
#ifdef FCT_API_TRACE
	EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_api_msg,
	    "fct_alloc fct_port %p", port->fct_port);
#endif /* FCT_API_TRACE */

	if (port->fct_port == NULL) {
		EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_debug_msg,
		    "emlxs_fct_bind_port: Unable to allocate fct port.");
		goto failed;
	}
	flag |= 0x00000008;

	port->fct_port->port_fds =
	    (fct_dbuf_store_t *)MODSYM(fct_alloc) (FCT_STRUCT_DBUF_STORE, 0,
	    0);
#ifdef FCT_API_TRACE
	EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_api_msg,
	    "fct_alloc port_fds %p", port->fct_port->port_fds);
#endif /* FCT_API_TRACE */

	if (port->fct_port->port_fds == NULL) {
		EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_debug_msg,
		    "emlxs_fct_bind_port: Unable to allocate dbuf store.");
		goto failed;
	}
	flag |= 0x00000010;

	(void) sprintf(node_name, "%d,%d:SFCT", hba->ddiinst, port->vpi);
	if (ddi_create_minor_node(hba->dip, node_name, S_IFCHR, hba->ddiinst,
	    NULL, 0) == DDI_FAILURE) {
		EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_debug_msg,
		    "Unable to create SFCT device node.");
		goto failed;
	}
	flag |= 0x00000020;

	/* Intialize */
	fct_port = port->fct_port;
	fct_port->port_fca_private = port;
	fct_port->port_fca_abort_timeout = 30 * 1000;	/* 30 seconds */

	bcopy((uint8_t *)&port->wwpn, (uint8_t *)fct_port->port_pwwn, 8);
	bcopy((uint8_t *)&port->wwnn, (uint8_t *)fct_port->port_nwwn, 8);

	fct_port->port_sym_node_name = port->snn;
	fct_port->port_sym_port_name = port->spn;
	fct_port->port_hard_address = cfg[CFG_ASSIGN_ALPA].current;
	fct_port->port_default_alias = port->cfd_name;
	fct_port->port_pp = port->port_provider;
	fct_port->port_max_logins = hba->max_nodes;

	if ((port->fct_queue_depth) &&
	    (port->fct_queue_depth < hba->io_throttle)) {
		fct_port->port_max_xchges = port->fct_queue_depth;
	} else {
		fct_port->port_max_xchges = hba->io_throttle;
	}

	fct_port->port_fca_fcp_cmd_size = sizeof (emlxs_buf_t);
	fct_port->port_fca_rp_private_size = sizeof (uintptr_t);
	fct_port->port_fca_sol_els_private_size = sizeof (emlxs_buf_t);
	fct_port->port_fca_sol_ct_private_size = sizeof (emlxs_buf_t);
	fct_port->port_get_link_info = emlxs_fct_get_link_info;
	fct_port->port_register_remote_port = emlxs_fct_register_remote_port;
	fct_port->port_deregister_remote_port =
	    emlxs_fct_deregister_remote_port;
	fct_port->port_send_cmd = emlxs_fct_send_cmd;
	fct_port->port_xfer_scsi_data = emlxs_fct_send_fcp_data;
	fct_port->port_send_cmd_response = emlxs_fct_send_cmd_rsp;
	fct_port->port_abort_cmd = emlxs_fct_abort;
	fct_port->port_ctl = emlxs_fct_ctl;
	fct_port->port_flogi_xchg = emlxs_flogi_xchg;
	fct_port->port_populate_hba_details = emlxs_populate_hba_details;

	fds = port->fct_port->port_fds;
	fds->fds_fca_private = port;
	fds->fds_alloc_data_buf = emlxs_fct_dbuf_alloc;
	fds->fds_free_data_buf = emlxs_fct_dbuf_free;

#ifdef FCT_API_TRACE
	EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_api_msg,
	    "fct_register_local_port %p", fct_port);
#endif /* FCT_API_TRACE */
	/* register this local port with the fct module */
	if (MODSYM(fct_register_local_port) (fct_port) != FCT_SUCCESS) {
		EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_debug_msg,
		    "emlxs_fct_bind_port: Unable to register fct port.");
		goto failed;
	}

	/* Set the bound flag */
	port->flag |= EMLXS_PORT_BOUND;
	hba->num_of_ports++;

	mutex_exit(&EMLXS_PORT_LOCK);

	return;

failed:

	if (flag & 0x20) {
		(void) ddi_remove_minor_node(hba->dip, node_name);
	}

	if (flag & 0x10) {
#ifdef FCT_API_TRACE
		EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_api_msg,
		    "fct_free:5 %p", port->fct_port->port_fds);
#endif /* FCT_API_TRACE */
		MODSYM(fct_free) (port->fct_port->port_fds);
		port->fct_port->port_fds = NULL;
	}

	if (flag & 0x8) {
#ifdef FCT_API_TRACE
		EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_api_msg,
		    "fct_free:6 %p", port->fct_port);
#endif /* FCT_API_TRACE */
		MODSYM(fct_free) (port->fct_port);
		port->fct_port = NULL;
		port->fct_flags = 0;
	}

	if (flag & 0x4) {
#ifdef FCT_API_TRACE
		EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_api_msg,
		    "stmf_deregister_port_provider:2 %p",
		    port->port_provider);
#endif /* FCT_API_TRACE */
		MODSYM(stmf_deregister_port_provider) (port->port_provider);
	}

	if (flag & 0x2) {
#ifdef FCT_API_TRACE
		EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_api_msg,
		    "stmf_free:2 %p", port->port_provider);
#endif /* FCT_API_TRACE */
		MODSYM(stmf_free) (port->port_provider);
		port->port_provider = NULL;
	}

	if (flag & 0x1) {
		emlxs_fct_dmem_fini(port);
	}

	EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_debug_msg,
	    "Target mode disabled.");

	mutex_exit(&EMLXS_PORT_LOCK);

	return;

}  /* emlxs_fct_bind_port() */


static void
emlxs_populate_hba_details(fct_local_port_t *fct_port,
    fct_port_attrs_t *port_attrs)
{
	emlxs_port_t *port = (emlxs_port_t *)fct_port->port_fca_private;
	emlxs_hba_t *hba = HBA;
	emlxs_vpd_t *vpd = &VPD;

	(void) strcpy(port_attrs->manufacturer, "Emulex");
	(void) strcpy(port_attrs->serial_number, vpd->serial_num);
	(void) strcpy(port_attrs->model, hba->model_info.model);
	(void) strcpy(port_attrs->model_description,
	    hba->model_info.model_desc);
	(void) sprintf(port_attrs->hardware_version, "%x", vpd->biuRev);
	(void) sprintf(port_attrs->driver_version, "%s (%s)", emlxs_version,
	    emlxs_revision);
	(void) strcpy(port_attrs->option_rom_version, vpd->fcode_version);
	(void) sprintf(port_attrs->firmware_version, "%s (%s)", vpd->fw_version,
	    vpd->fw_label);
	(void) strcpy(port_attrs->driver_name, DRIVER_NAME);
	port_attrs->vendor_specific_id =
	    ((hba->model_info.device_id << 16) | PCI_VENDOR_ID_EMULEX);
	port_attrs->supported_cos = SWAP_DATA32(FC_NS_CLASS3);

	port_attrs->max_frame_size = FF_FRAME_SIZE;

	if (vpd->link_speed & LMT_10GB_CAPABLE) {
		port_attrs->supported_speed |= PORT_SPEED_10G;
	}
	if (vpd->link_speed & LMT_8GB_CAPABLE) {
		port_attrs->supported_speed |= PORT_SPEED_8G;
	}
	if (vpd->link_speed & LMT_4GB_CAPABLE) {
		port_attrs->supported_speed |= PORT_SPEED_4G;
	}
	if (vpd->link_speed & LMT_2GB_CAPABLE) {
		port_attrs->supported_speed |= PORT_SPEED_2G;
	}
	if (vpd->link_speed & LMT_1GB_CAPABLE) {
		port_attrs->supported_speed |= PORT_SPEED_1G;
	}

	EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_detail_msg,
	    "Port attr: manufacturer       = %s", port_attrs->manufacturer);
	EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_detail_msg,
	    "Port attr: serial_num         = %s", port_attrs->serial_number);
	EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_detail_msg,
	    "Port attr: model              = %s", port_attrs->model);
	EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_detail_msg,
	    "Port attr: model_description  = %s",
	    port_attrs->model_description);
	EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_detail_msg,
	    "Port attr: hardware_version   = %s",
	    port_attrs->hardware_version);
	EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_detail_msg,
	    "Port attr: driver_version     = %s", port_attrs->driver_version);
	EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_detail_msg,
	    "Port attr: option_rom_version = %s",
	    port_attrs->option_rom_version);
	EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_detail_msg,
	    "Port attr: firmware_version   = %s",
	    port_attrs->firmware_version);
	EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_detail_msg,
	    "Port attr: driver_name        = %s", port_attrs->driver_name);
	EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_detail_msg,
	    "Port attr: vendor_specific_id = 0x%x",
	    port_attrs->vendor_specific_id);
	EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_detail_msg,
	    "Port attr: supported_cos      = 0x%x",
	    port_attrs->supported_cos);
	EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_detail_msg,
	    "Port attr: supported_speed    = 0x%x",
	    port_attrs->supported_speed);
	EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_detail_msg,
	    "Port attr: max_frame_size     = 0x%x",
	    port_attrs->max_frame_size);

	return;

}  /* emlxs_populate_hba_details() */


/* ARGSUSED */
static void
emlxs_fct_ctl(fct_local_port_t *fct_port, int cmd, void *arg)
{
	emlxs_port_t *port = (emlxs_port_t *)fct_port->port_fca_private;
	emlxs_hba_t *hba = HBA;
	stmf_change_status_t st;

	st.st_completion_status = FCT_SUCCESS;
	st.st_additional_info = NULL;

	switch (cmd) {
	case FCT_CMD_PORT_ONLINE:
		/* If the HBA is offline, we cannot bring the tgtport online */
		if (hba->flag & (FC_OFFLINE_MODE | FC_OFFLINING_MODE)) {
			st.st_completion_status = FCT_FAILURE;
			MODSYM(fct_ctl) (fct_port->port_lport,
			    FCT_CMD_PORT_ONLINE_COMPLETE, &st);
			break;
		}

		if (port->fct_flags & FCT_STATE_PORT_ONLINE) {
			st.st_completion_status = STMF_ALREADY;
			EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_detail_msg,
			    "STATE: ONLINE chk");
		} else {
			EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_detail_msg,
			    "STATE: OFFLINE --> ONLINE");

			port->fct_flags |= FCT_STATE_NOT_ACKED;
			port->fct_flags |= FCT_STATE_PORT_ONLINE;

			if (hba->state <= FC_LINK_DOWN) {
				/* Try to bring the link up */
				(void) emlxs_reset_link(hba, 1);
			}

			EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_detail_msg,
			    "STATE: ONLINE");
		}

		MODSYM(fct_ctl) (fct_port->port_lport,
		    FCT_CMD_PORT_ONLINE_COMPLETE, &st);
		break;

	case FCT_CMD_PORT_OFFLINE:
		if (!(port->fct_flags & FCT_STATE_PORT_ONLINE)) {
			st.st_completion_status = STMF_ALREADY;
			EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_detail_msg,
			    "STATE: OFFLINE chk");

		} else {
			EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_detail_msg,
			    "STATE: ONLINE --> OFFLINE");

			/* Take link down and flush */
			emlxs_fct_link_down(port);
			emlxs_fct_unsol_flush(port);

			/* Declare this port offline now */
			port->fct_flags |= FCT_STATE_NOT_ACKED;
			port->fct_flags &= ~FCT_STATE_PORT_ONLINE;

			/* Take link down and hold it down */
			(void) emlxs_reset_link(hba, 0);

			EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_detail_msg,
			    "STATE: OFFLINE");
		}

		MODSYM(fct_ctl) (fct_port->port_lport,
		    FCT_CMD_PORT_OFFLINE_COMPLETE, &st);

		break;

	case FCT_ACK_PORT_OFFLINE_COMPLETE:
		port->fct_flags &= ~FCT_STATE_NOT_ACKED;
		EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_detail_msg,
		    "STATE: OFFLINE ack");
		break;

	case FCT_ACK_PORT_ONLINE_COMPLETE:
		port->fct_flags &= ~FCT_STATE_NOT_ACKED;
		EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_detail_msg,
		    "STATE: ONLINE ack");
		break;

	}

	return;

}  /* emlxs_fct_ctl() */


extern int
emlxs_fct_port_shutdown(emlxs_port_t *port)
{
	fct_local_port_t *fct_port;
	int i;

	fct_port = port->fct_port;
	if (!fct_port) {
		return (0);
	}
	EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_detail_msg, "fct_port_shutdown");
	MODSYM(fct_port_shutdown) (fct_port, STMF_RFLAG_STAY_OFFLINED,
	    "emlxs shutdown");

	i = 0;
	while (port->fct_flags & FCT_STATE_NOT_ACKED) {
		i++;
		if (i > 300) {	/* 30 seconds */
			EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_detail_msg,
			    "fct_port_shutdown failed to ACK");
			break;
		}
		delay(drv_usectohz(100000));	/* 100 msec */
	}
	return (1);
}


extern int
emlxs_fct_port_initialize(emlxs_port_t *port)
{
	fct_local_port_t *fct_port;
	int i;

	fct_port = port->fct_port;
	if (!fct_port) {
		return (0);
	}
	EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_detail_msg,
	    "fct_port_initialize");
	MODSYM(fct_port_initialize) (fct_port, STMF_RFLAG_STAY_OFFLINED,
	    "emlxs initialize");

	i = 0;
	while (port->fct_flags & FCT_STATE_NOT_ACKED) {
		i++;
		if (i > 300) {	/* 30 seconds */
			EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_detail_msg,
			    "fct_port_initialize failed to ACK");
			break;
		}
		delay(drv_usectohz(100000));	/* 100 msec */
	}
	return (1);
}


static fct_status_t
emlxs_fct_send_cmd(fct_cmd_t *fct_cmd)
{
	emlxs_port_t *port;

	port = (emlxs_port_t *)fct_cmd->cmd_port->port_fca_private;

#ifdef FCT_API_TRACE
	EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_api_msg,
	    "emlxs_fct_send_cmd %p: x%x", fct_cmd, fct_cmd->cmd_type);
#endif /* FCT_API_TRACE */

	switch (fct_cmd->cmd_type) {
	case FCT_CMD_SOL_ELS:

		return (emlxs_fct_send_els_cmd(fct_cmd));

	case FCT_CMD_SOL_CT:

		return (emlxs_fct_send_ct_cmd(fct_cmd));

	default:

		EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_detail_msg,
		    "emlxs_fct_send_cmd: Invalid cmd type found. type=%x",
		    fct_cmd->cmd_type);

		return (FCT_FAILURE);
	}

}  /* emlxs_fct_send_cmd() */


static fct_status_t
emlxs_fct_send_cmd_rsp(fct_cmd_t *fct_cmd, uint32_t ioflags)
{
	emlxs_port_t *port;
	emlxs_buf_t *cmd_sbp;
	fct_status_t rval;

	port = (emlxs_port_t *)fct_cmd->cmd_port->port_fca_private;
	cmd_sbp = (emlxs_buf_t *)fct_cmd->cmd_fca_private;

#ifdef FCT_API_TRACE
	EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_api_msg,
	    "emlxs_fct_send_cmd_rsp %p: x%x", fct_cmd, fct_cmd->cmd_type);
#endif /* FCT_API_TRACE */

	switch (fct_cmd->cmd_type) {
	case FCT_CMD_FCP_XCHG:

		if (ioflags & FCT_IOF_FORCE_FCA_DONE) {
			goto failure;
		}

		mutex_enter(&cmd_sbp->fct_mtx);
		rval =  emlxs_fct_send_fcp_status(fct_cmd);
		mutex_exit(&cmd_sbp->fct_mtx);
		return (rval);

	case FCT_CMD_RCVD_ELS:

		if (ioflags & FCT_IOF_FORCE_FCA_DONE) {
			goto failure;
		}

		return (emlxs_fct_send_els_rsp(fct_cmd));

	default:

		if (ioflags & FCT_IOF_FORCE_FCA_DONE) {
			fct_cmd->cmd_handle = 0;
		}

		EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_detail_msg,
		    "emlxs_fct_send_cmd_rsp: Invalid cmd type found. type=%x",
		    fct_cmd->cmd_type);

		return (FCT_FAILURE);
	}

failure:

	EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_detail_msg,
	    "emlxs_fct_send_cmd_rsp: "
	    "Unable to handle FCT_IOF_FORCE_FCA_DONE. type=%x",
	    fct_cmd->cmd_type);

	return (FCT_FAILURE);

}  /* emlxs_fct_send_cmd_rsp() */


static fct_status_t
emlxs_flogi_xchg(struct fct_local_port *fct_port, struct fct_flogi_xchg *fx)
{
	emlxs_port_t *port = (emlxs_port_t *)fct_port->port_fca_private;
	emlxs_hba_t *hba = HBA;
	uint32_t size;
	fc_packet_t *pkt;
	ELS_PKT *els;

#ifdef FCT_API_TRACE
	EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_api_msg,
	    "emlxs_flogi_xchg: Sending FLOGI: %p", fct_port);
#else
	EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_detail_msg,
	    "emlxs_flogi_xchg: Sending FLOGI.");
#endif /* FCT_API_TRACE */

	if (hba->state <= FC_LINK_DOWN) {
		EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_detail_msg,
		    "emlxs_flogi_xchg: FLOGI failed. Link down.");
		return (FCT_FAILURE);
	}

	size = sizeof (SERV_PARM) + 4;

	if (!(pkt = emlxs_pkt_alloc(port, size, size, 0, KM_NOSLEEP))) {
		EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_detail_msg,
		    "emlxs_flogi_xchg: FLOGI failed. Unable allocate packet.");
		return (FCT_FAILURE);
	}

	/* Make this a polled IO */
	pkt->pkt_tran_flags &= ~FC_TRAN_INTR;
	pkt->pkt_tran_flags |= FC_TRAN_NO_INTR;
	pkt->pkt_comp = NULL;

	pkt->pkt_tran_type = FC_PKT_EXCHANGE;
	pkt->pkt_timeout = fx->fx_sec_timeout;

	/* Build the fc header */
	pkt->pkt_cmd_fhdr.d_id = SWAP_DATA24_LO(fx->fx_did);
	pkt->pkt_cmd_fhdr.r_ctl =
	    R_CTL_EXTENDED_SVC | R_CTL_SOLICITED_CONTROL;
	pkt->pkt_cmd_fhdr.s_id = SWAP_DATA24_LO(fx->fx_sid);
	pkt->pkt_cmd_fhdr.type = FC_TYPE_EXTENDED_LS;
	pkt->pkt_cmd_fhdr.f_ctl = F_CTL_FIRST_SEQ | F_CTL_SEQ_INITIATIVE;
	pkt->pkt_cmd_fhdr.seq_id = 0;
	pkt->pkt_cmd_fhdr.df_ctl = 0;
	pkt->pkt_cmd_fhdr.seq_cnt = 0;
	pkt->pkt_cmd_fhdr.ox_id = 0xffff;
	pkt->pkt_cmd_fhdr.rx_id = 0xffff;
	pkt->pkt_cmd_fhdr.ro = 0;

	/* Build the command */
	/* Service paramters will be added automatically later by the driver */
	els = (ELS_PKT *)pkt->pkt_cmd;
	els->elsCode = 0x04;	/* FLOGI */

	if (emlxs_pkt_send(pkt, 1) != FC_SUCCESS) {
		EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_detail_msg,
		    "emlxs_flogi_xchg: FLOGI failed. Unable to send packet.");

		emlxs_pkt_free(pkt);
		return (FCT_FAILURE);
	}

	if ((pkt->pkt_state != FC_PKT_SUCCESS) &&
	    (pkt->pkt_state != FC_PKT_LS_RJT)) {
		if (pkt->pkt_state == FC_PKT_TIMEOUT) {
			return (FCT_TIMEOUT);
		} else if ((pkt->pkt_state == FC_PKT_LOCAL_RJT) &&
		    (pkt->pkt_reason == FC_REASON_FCAL_OPN_FAIL)) {
			return (FCT_NOT_FOUND);
		}

		EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_detail_msg,
		    "emlxs_flogi_xchg: FLOGI failed. state=%x reason=%x",
		    pkt->pkt_state, pkt->pkt_reason);

		return (FCT_FAILURE);
	}

	if (pkt->pkt_state == FC_PKT_LS_RJT) {
		fx->fx_op = ELS_OP_LSRJT;
		fx->fx_rjt_reason = pkt->pkt_reason;
		fx->fx_rjt_expl = pkt->pkt_expln;
	} else {	/* FC_PKT_SUCCESS */

		fx->fx_op = ELS_OP_ACC;
		fx->fx_sid = Fabric_DID;
		fx->fx_did = port->did;

		els = (ELS_PKT *)pkt->pkt_resp;
		bcopy((caddr_t)&els->un.logi.nodeName,
		    (caddr_t)fx->fx_nwwn, 8);
		bcopy((caddr_t)&els->un.logi.portName,
		    (caddr_t)fx->fx_pwwn, 8);
		fx->fx_fport = els->un.logi.cmn.fPort;
	}

	return (FCT_SUCCESS);

}  /* emlxs_flogi_xchg() */


/* This is called right after we report that link has come online */
static fct_status_t
emlxs_fct_get_link_info(fct_local_port_t *fct_port, fct_link_info_t *link)
{
	emlxs_port_t *port = (emlxs_port_t *)fct_port->port_fca_private;
	emlxs_hba_t *hba = HBA;

	EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_api_msg,
	    "emlxs_fct_get_link_info %p", fct_port);

	mutex_enter(&EMLXS_PORT_LOCK);

	if (!(port->fct_flags & FCT_STATE_LINK_UP) ||
	    (hba->state < FC_LINK_UP) || (hba->flag & FC_LOOPBACK_MODE)) {
		link->port_topology = PORT_TOPOLOGY_UNKNOWN;
		link->port_speed = PORT_SPEED_UNKNOWN;
		link->portid = 0;

		mutex_exit(&EMLXS_PORT_LOCK);

		return (FCT_SUCCESS);
	}

	if (hba->topology == TOPOLOGY_LOOP) {
		link->port_topology = PORT_TOPOLOGY_PRIVATE_LOOP;
	} else {
		link->port_topology = PORT_TOPOLOGY_PT_TO_PT;
	}

	switch (hba->linkspeed) {
	case LA_1GHZ_LINK:
		link->port_speed = PORT_SPEED_1G;
		break;
	case LA_2GHZ_LINK:
		link->port_speed = PORT_SPEED_2G;
		break;
	case LA_4GHZ_LINK:
		link->port_speed = PORT_SPEED_4G;
		break;
	case LA_8GHZ_LINK:
		link->port_speed = PORT_SPEED_8G;
		break;
	case LA_10GHZ_LINK:
		link->port_speed = PORT_SPEED_10G;
		break;
	default:
		link->port_speed = PORT_SPEED_UNKNOWN;
		break;
	}

	link->portid = port->did;
	link->port_no_fct_flogi = 0;
	link->port_fca_flogi_done = 0;
	link->port_fct_flogi_done = 0;


	mutex_exit(&EMLXS_PORT_LOCK);

	return (FCT_SUCCESS);

}  /* emlxs_fct_get_link_info() */


static fct_status_t
emlxs_fct_register_remote_port(fct_local_port_t *fct_port,
    fct_remote_port_t *remote_port, fct_cmd_t *fct_cmd)
{
	emlxs_port_t *port = (emlxs_port_t *)fct_port->port_fca_private;
	emlxs_hba_t *hba = HBA;
	emlxs_buf_t *cmd_sbp = (emlxs_buf_t *)fct_cmd->cmd_fca_private;
	clock_t timeout;
	int32_t pkt_ret;
	fct_els_t *els;
	SERV_PARM *sp;
	emlxs_node_t *ndlp;
	SERV_PARM sparam;
	uint32_t *iptr;

#ifdef FCT_API_TRACE
	EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_api_msg,
	    "emlxs_fct_register_remote_port %p", fct_port);
#endif /* FCT_API_TRACE */

	if (!(cmd_sbp->pkt_flags & PACKET_VALID)) {
		(void) emlxs_fct_cmd_init(port, fct_cmd);
		/* mutex_enter(&cmd_sbp->fct_mtx); */

		cmd_sbp->ring = &hba->ring[FC_ELS_RING];
		cmd_sbp->fct_type = EMLXS_FCT_ELS_CMD;
		cmd_sbp->did = fct_cmd->cmd_rportid;
	} else {
		mutex_enter(&cmd_sbp->fct_mtx);
	}

	emlxs_fct_state_chg(fct_cmd, cmd_sbp, EMLXS_FCT_REG_PENDING);

	mutex_enter(&cmd_sbp->mtx);
	cmd_sbp->pkt_flags &= ~PACKET_RETURNED;
	mutex_exit(&cmd_sbp->mtx);

	if (!cmd_sbp->node) {
		cmd_sbp->node =
		    emlxs_node_find_did(port, fct_cmd->cmd_rportid);
	}

	if (!cmd_sbp->node) {
		els = (fct_els_t *)fct_cmd->cmd_specific;

		/* Check for unsolicited PLOGI */
		if (cmd_sbp->fct_flags & EMLXS_FCT_PLOGI_RECEIVED) {
			sp = (SERV_PARM *)((caddr_t)els->els_req_payload +
			    sizeof (uint32_t));
		} else {	/* Solicited PLOGI */

			sp = &sparam;
			bcopy((caddr_t)&port->sparam, (caddr_t)sp,
			    sizeof (SERV_PARM));

			/*
			 * Create temporary WWN's from fct_cmd address
			 * This simply allows us to get an RPI from the
			 * adapter until we get real service params.
			 * The PLOGI ACC reply will trigger a REG_LOGIN
			 * update later
			 */
			iptr = (uint32_t *)&sp->portName;
			iptr[0] = putPaddrHigh(fct_cmd);
			iptr[1] = putPaddrLow(fct_cmd);

			iptr = (uint32_t *)&sp->nodeName;
			iptr[0] = putPaddrHigh(fct_cmd);
			iptr[1] = putPaddrLow(fct_cmd);
		}

		EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_debug_msg,
		    "emlxs_fct_register_remote_port: Register did=%x. (%x,%p)",
		    fct_cmd->cmd_rportid, cmd_sbp->fct_state, fct_cmd);

		/* Create a new node */
		if (emlxs_mb_reg_did(port, fct_cmd->cmd_rportid, sp, cmd_sbp,
		    NULL, NULL) != 0) {
			EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_error_msg,
			    "emlxs_fct_register_remote_port: "
			    "Reg login failed. did=%x",
			    fct_cmd->cmd_rportid);
			goto done;
		}

		mutex_exit(&cmd_sbp->fct_mtx);

		/* Wait for completion */
		mutex_enter(&EMLXS_PKT_LOCK);
		timeout = emlxs_timeout(hba, 30);
		pkt_ret = 0;
		while ((pkt_ret != -1) &&
		    (cmd_sbp->fct_state == EMLXS_FCT_REG_PENDING)) {
			pkt_ret = cv_timedwait(&EMLXS_PKT_CV, &EMLXS_PKT_LOCK,
			    timeout);
		}
		mutex_exit(&EMLXS_PKT_LOCK);

		mutex_enter(&cmd_sbp->fct_mtx);
		if (cmd_sbp->fct_flags & EMLXS_FCT_ABORT_INP) {
			return (FCT_FAILURE);
		}
	}

done:

	ndlp = (emlxs_node_t *)cmd_sbp->node;

	if (ndlp) {
		*((emlxs_node_t **)remote_port->rp_fca_private) =
		    cmd_sbp->node;
		remote_port->rp_handle = ndlp->nlp_Rpi;

		EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_detail_msg,
		    "emlxs_fct_register_remote_port: did=%x hdl=%x",
		    fct_cmd->cmd_rportid, remote_port->rp_handle);

		remote_port->rp_handle = ndlp->nlp_Rpi;

		mutex_enter(&cmd_sbp->mtx);
		cmd_sbp->pkt_flags |= PACKET_RETURNED;
		mutex_exit(&cmd_sbp->mtx);

		emlxs_fct_state_chg(fct_cmd, cmd_sbp, EMLXS_FCT_OWNED);

		mutex_exit(&cmd_sbp->fct_mtx);
		TGTPORTSTAT.FctPortRegister++;
		return (FCT_SUCCESS);
	} else {
		*((emlxs_node_t **)remote_port->rp_fca_private) = NULL;

		EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_detail_msg,
		    "emlxs_fct_register_remote_port: failed. did=%x hdl=%x",
		    fct_cmd->cmd_rportid, remote_port->rp_handle);

		remote_port->rp_handle = FCT_HANDLE_NONE;

		mutex_enter(&cmd_sbp->mtx);
		cmd_sbp->pkt_flags |= PACKET_RETURNED;
		mutex_exit(&cmd_sbp->mtx);

		emlxs_fct_state_chg(fct_cmd, cmd_sbp, EMLXS_FCT_OWNED);

		mutex_exit(&cmd_sbp->fct_mtx);
		TGTPORTSTAT.FctFailedPortRegister++;
		return (FCT_FAILURE);
	}

}  /* emlxs_fct_register_remote_port() */


static fct_status_t
emlxs_fct_deregister_remote_port(fct_local_port_t *fct_port,
    fct_remote_port_t *remote_port)
{
	emlxs_port_t *port = (emlxs_port_t *)fct_port->port_fca_private;

#ifdef FCT_API_TRACE
	EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_api_msg,
	    "emlxs_fct_deregister_remote_port: did=%x hdl=%x",
	    remote_port->rp_id, remote_port->rp_handle);
#else
	EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_detail_msg,
	    "emlxs_fct_deregister_remote_port: did=%x hdl=%x",
	    remote_port->rp_id, remote_port->rp_handle);
#endif /* FCT_API_TRACE */

	*((emlxs_node_t **)remote_port->rp_fca_private) = NULL;
	(void) emlxs_mb_unreg_did(port, remote_port->rp_id, NULL, NULL, NULL);

	TGTPORTSTAT.FctPortDeregister++;
	return (FCT_SUCCESS);

}  /* emlxs_fct_deregister_remote_port() */


/* ARGSUSED */
extern int
emlxs_fct_handle_unsol_req(emlxs_port_t *port, RING *rp, IOCBQ *iocbq,
    MATCHMAP *mp, uint32_t size)
{
	IOCB *iocb;
	fct_cmd_t *fct_cmd;
	emlxs_buf_t *cmd_sbp;
	emlxs_fcp_cmd_t *fcp_cmd;
	emlxs_node_t *ndlp;
	uint32_t cnt;
	uint32_t tm;
	scsi_task_t *fct_task;
	uint8_t lun[8];
	uint32_t sid = 0;

	iocb = &iocbq->iocb;
	ndlp = emlxs_node_find_rpi(port, iocb->ulpIoTag);
	if (!ndlp) {
		EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_detail_msg,
		    "FCP rcvd: Unknown RPI. rpi=%x rxid=%x. Dropping...",
		    iocb->ulpIoTag, iocb->ulpContext);

		goto dropped;
	}
	sid = ndlp->nlp_DID;

	fcp_cmd = (emlxs_fcp_cmd_t *)mp->virt;

	if (!port->fct_port) {
		EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_detail_msg,
		    "FCP rcvd: Target unbound. rpi=%x rxid=%x. Dropping...",
		    iocb->ulpIoTag, iocb->ulpContext);

		emlxs_send_logo(port, sid);

		goto dropped;
	}

	if (!(port->fct_flags & FCT_STATE_PORT_ONLINE)) {
		EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_detail_msg,
		    "FCP rcvd: Target offline. rpi=%x rxid=%x. Dropping...",
		    iocb->ulpIoTag, iocb->ulpContext);

		emlxs_send_logo(port, sid);

		goto dropped;
	}

	/* Get lun id */
	bcopy((void *)&fcp_cmd->fcpLunMsl, lun, 8);

	if (TGTPORTSTAT.FctOutstandingIO >= port->fct_port->port_max_xchges) {
		TGTPORTSTAT.FctOverQDepth++;
	}

	fct_cmd =
	    MODSYM(fct_scsi_task_alloc) (port->fct_port, iocb->ulpIoTag, sid,
	    lun, 16, 0);
#ifdef FCT_API_TRACE
	EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_api_msg,
	    "fct_scsi_task_alloc %p: FCP rcvd: "
	    "cmd=%x sid=%x rxid=%x lun=%02x%02x dl=%d",
	    fct_cmd, fcp_cmd->fcpCdb[0], sid, iocb->ulpContext,
	    lun[0], lun[1], SWAP_DATA32(fcp_cmd->fcpDl));
#endif /* FCT_API_TRACE */

	if (fct_cmd == NULL) {
		EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_detail_msg,
		    "FCP rcvd: sid=%x xid=%x. "
		    "Unable to allocate scsi task. Returning QFULL.",
		    sid, iocb->ulpContext);

		(void) emlxs_fct_send_qfull_reply(port, ndlp, iocb->ulpContext,
		    iocb->ulpClass, fcp_cmd);

		goto dropped;
	}

	cmd_sbp = emlxs_fct_cmd_init(port, fct_cmd);
	/* mutex_enter(&cmd_sbp->fct_mtx); */

	/* Initialize fct_cmd */
	fct_cmd->cmd_oxid = 0xFFFF;
	fct_cmd->cmd_rxid = iocb->ulpContext;
	fct_cmd->cmd_rportid = sid;
	fct_cmd->cmd_lportid = port->did;
	fct_cmd->cmd_rp_handle = iocb->ulpIoTag;	/* RPI */
	fct_cmd->cmd_port = port->fct_port;

	emlxs_fct_state_chg(fct_cmd, cmd_sbp, EMLXS_FCT_FCP_CMD_RECEIVED);

	/* Initialize cmd_sbp */
	cmd_sbp->did = sid;
	cmd_sbp->ring = rp;
	cmd_sbp->class = iocb->ulpClass;
	cmd_sbp->lun = (lun[0] << 8) | lun[1];
	cmd_sbp->fct_type = EMLXS_FCT_FCP_CMD;

	fct_task = (scsi_task_t *)fct_cmd->cmd_specific;

	/* Set task_flags */
	switch (fcp_cmd->fcpCntl1) {
	case SIMPLE_Q:
		fct_task->task_flags = TF_ATTR_SIMPLE_QUEUE;
		break;

	case HEAD_OF_Q:
		fct_task->task_flags = TF_ATTR_HEAD_OF_QUEUE;
		break;

	case ORDERED_Q:
		fct_task->task_flags = TF_ATTR_ORDERED_QUEUE;
		break;

	case ACA_Q:
		fct_task->task_flags = TF_ATTR_ACA;
		break;

	case UNTAGGED:
		fct_task->task_flags = TF_ATTR_UNTAGGED;
		break;
	}

	cnt = SWAP_DATA32(fcp_cmd->fcpDl);
	switch (fcp_cmd->fcpCntl3) {
	case 0:
		TGTPORTSTAT.FctIOCmdCnt++;
		break;
	case 1:
		emlxs_bump_wrioctr(port, cnt);
		TGTPORTSTAT.FctWriteBytes += cnt;
		fct_task->task_flags |= TF_WRITE_DATA;
		break;

	case 2:
		emlxs_bump_rdioctr(port, cnt);
		TGTPORTSTAT.FctReadBytes += cnt;
		fct_task->task_flags |= TF_READ_DATA;
		break;
	}

	fct_task->task_priority = 0;

	/* task_mgmt_function */
	tm = fcp_cmd->fcpCntl2;
	if (tm) {
		if (tm & BIT_1) {
			fct_task->task_mgmt_function = TM_ABORT_TASK_SET;
		} else if (tm & BIT_2) {
			fct_task->task_mgmt_function = TM_CLEAR_TASK_SET;
		} else if (tm & BIT_4) {
			fct_task->task_mgmt_function = TM_LUN_RESET;
		} else if (tm & BIT_5) {
			fct_task->task_mgmt_function = TM_TARGET_COLD_RESET;
		} else if (tm & BIT_6) {
			fct_task->task_mgmt_function = TM_CLEAR_ACA;
		} else {
			fct_task->task_mgmt_function = TM_ABORT_TASK;
		}
	}

	/* Parallel buffers support - future */
	fct_task->task_max_nbufs = 1;

	fct_task->task_additional_flags = 0;
	fct_task->task_cur_nbufs = 0;
	fct_task->task_csn_size = 8;
	fct_task->task_cmd_seq_no = 0;
	fct_task->task_expected_xfer_length = cnt;
	bcopy((void *)&fcp_cmd->fcpCdb, fct_task->task_cdb, 16);

	TGTPORTSTAT.FctCmdReceived++;

	TGTPORTSTAT.FctOutstandingIO++;

	mutex_enter(&cmd_sbp->mtx);
	cmd_sbp->pkt_flags |= PACKET_RETURNED;
	mutex_exit(&cmd_sbp->mtx);

	emlxs_fct_state_chg(fct_cmd, cmd_sbp, EMLXS_FCT_CMD_POSTED);
	mutex_exit(&cmd_sbp->fct_mtx);
#ifdef FCT_API_TRACE
	EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_api_msg,
	    "fct_post_rcvd_cmd:3 %p: portid x%x", fct_cmd,
	    fct_cmd->cmd_lportid);
#endif /* FCT_API_TRACE */
	MODSYM(fct_post_rcvd_cmd) (fct_cmd, 0);

	return (0);

dropped:

	TGTPORTSTAT.FctRcvDropped++;
	return (1);

}  /* emlxs_fct_handle_unsol_req() */


/* ARGSUSED */
static fct_status_t
emlxs_fct_send_fcp_data(fct_cmd_t *fct_cmd, stmf_data_buf_t *dbuf,
    uint32_t ioflags)
{
	emlxs_port_t *port =
	    (emlxs_port_t *)fct_cmd->cmd_port->port_fca_private;
	emlxs_hba_t *hba = HBA;
	emlxs_buf_t *cmd_sbp;
#ifdef FCT_API_TRACE
	scsi_task_t *fct_task;
#endif /* FCT_API_TRACE */
	uint32_t did;
	IOCBQ *iocbq;
	emlxs_node_t *ndlp;

	cmd_sbp = (emlxs_buf_t *)fct_cmd->cmd_fca_private;
#ifdef FCT_API_TRACE
	fct_task = (scsi_task_t *)fct_cmd->cmd_specific;
#endif /* FCT_API_TRACE */
	ndlp = *(emlxs_node_t **)fct_cmd->cmd_rp->rp_fca_private;
	did = fct_cmd->cmd_rportid;

	/* Initialize cmd_sbp */
	mutex_enter(&cmd_sbp->fct_mtx);
	emlxs_fct_state_chg(fct_cmd, cmd_sbp, EMLXS_FCT_SEND_FCP_DATA);

	/*
	 * This check is here because task_max_nbufs is set to 1.
	 * This ensures we will only have 1 outstanding call
	 * to this routine.
	 */
	if (!(cmd_sbp->pkt_flags & PACKET_RETURNED)) {
		EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_pkt_trans_msg,
		    "Adapter Busy. Processing IO. did=0x%x", did);
		emlxs_fct_state_chg(fct_cmd, cmd_sbp, EMLXS_FCT_OWNED);
		mutex_exit(&cmd_sbp->fct_mtx);
		return (FCT_BUSY);
	}

	mutex_enter(&cmd_sbp->mtx);
	cmd_sbp->pkt_flags &= ~PACKET_RETURNED;
	mutex_exit(&cmd_sbp->mtx);

	cmd_sbp->node = ndlp;
	cmd_sbp->fct_buf = dbuf;

	iocbq = &cmd_sbp->iocbq;

#ifdef FCT_API_TRACE
	EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_api_msg,
	    "emlxs_fct_send_fcp_data %p: flgs=%x ioflags=%x dl=%d,%d,%d",
	    fct_cmd, dbuf->db_flags, ioflags, fct_task->task_cmd_xfer_length,
	    fct_task->task_nbytes_transferred, dbuf->db_data_size);
#endif /* FCT_API_TRACE */

	if (emlxs_sli_prep_fct_iocb(port, cmd_sbp) != IOERR_SUCCESS) {
		mutex_enter(&cmd_sbp->mtx);
		cmd_sbp->pkt_flags |= PACKET_RETURNED;
		mutex_exit(&cmd_sbp->mtx);

		emlxs_fct_state_chg(fct_cmd, cmd_sbp, EMLXS_FCT_OWNED);
		mutex_exit(&cmd_sbp->fct_mtx);
		return (FCT_BUSY);
	}

	cmd_sbp->fct_type = EMLXS_FCT_FCP_DATA;
	emlxs_fct_state_chg(fct_cmd, cmd_sbp, EMLXS_FCT_DATA_PENDING);

	if (dbuf->db_flags & DB_SEND_STATUS_GOOD) {
		cmd_sbp->fct_flags |= EMLXS_FCT_SEND_STATUS;
	}

	if (dbuf->db_flags & DB_DIRECTION_TO_RPORT) {
		emlxs_fct_dbuf_dma_sync(dbuf, DDI_DMA_SYNC_FORDEV);
	}

	cmd_sbp->fct_flags |= EMLXS_FCT_IO_INP;
	emlxs_sli_issue_iocb_cmd(hba, cmd_sbp->ring, iocbq);
	mutex_exit(&cmd_sbp->fct_mtx);

	return (FCT_SUCCESS);

}  /* emlxs_fct_send_fcp_data() */


static fct_status_t
emlxs_fct_send_fcp_status(fct_cmd_t *fct_cmd)
{
	emlxs_port_t *port =
	    (emlxs_port_t *)fct_cmd->cmd_port->port_fca_private;
	emlxs_hba_t *hba = HBA;
	emlxs_buf_t *cmd_sbp;
	scsi_task_t *fct_task;
	fc_packet_t *pkt;
	uint32_t did;
	emlxs_fcp_rsp *fcp_rsp;
	uint32_t size;
	emlxs_node_t *ndlp;

	fct_task = (scsi_task_t *)fct_cmd->cmd_specific;
	ndlp = *(emlxs_node_t **)fct_cmd->cmd_rp->rp_fca_private;
	did = fct_cmd->cmd_rportid;

	/* Initialize cmd_sbp */
	cmd_sbp = (emlxs_buf_t *)fct_cmd->cmd_fca_private;

	/* &cmd_sbp->fct_mtx should be already held */

	emlxs_fct_state_chg(fct_cmd, cmd_sbp, EMLXS_FCT_SEND_FCP_STATUS);

	mutex_enter(&cmd_sbp->mtx);
	cmd_sbp->pkt_flags &= ~PACKET_RETURNED;
	mutex_exit(&cmd_sbp->mtx);
	cmd_sbp->node = ndlp;

	size = 24;
	if (fct_task->task_sense_length) {
		size += fct_task->task_sense_length;
	}
#ifdef FCT_API_TRACE
	EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_api_msg,
	    "emlxs_fct_send_fcp_status %p: stat=%d resid=%d size=%d rx=%x",
	    fct_cmd, fct_task->task_scsi_status,
	    fct_task->task_resid, size, fct_cmd->cmd_rxid);
#endif /* FCT_API_TRACE */

	if (!(pkt = emlxs_pkt_alloc(port, size, 0, 0, KM_NOSLEEP))) {
		EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_error_msg,
		    "emlxs_fct_send_fcp_status: Unable to allocate packet.");

		mutex_enter(&cmd_sbp->mtx);
		cmd_sbp->pkt_flags |= PACKET_RETURNED;
		mutex_exit(&cmd_sbp->mtx);

		emlxs_fct_state_chg(fct_cmd, cmd_sbp, EMLXS_FCT_OWNED);
		return (FCT_BUSY);
	}

	cmd_sbp->fct_type = EMLXS_FCT_FCP_STATUS;

	(void) emlxs_fct_pkt_init(port, fct_cmd, pkt);
	cmd_sbp->fct_pkt = pkt;

	pkt->pkt_tran_type = FC_PKT_OUTBOUND;
	pkt->pkt_timeout =
	    ((2 * hba->fc_ratov) < 30) ? 30 : (2 * hba->fc_ratov);
	pkt->pkt_comp = emlxs_fct_pkt_comp;

	/* Build the fc header */
	pkt->pkt_cmd_fhdr.d_id = SWAP_DATA24_LO(did);
	pkt->pkt_cmd_fhdr.r_ctl = R_CTL_STATUS;
	pkt->pkt_cmd_fhdr.s_id = SWAP_DATA24_LO(port->did);
	pkt->pkt_cmd_fhdr.type = FC_TYPE_SCSI_FCP;
	pkt->pkt_cmd_fhdr.f_ctl =
	    F_CTL_XCHG_CONTEXT | F_CTL_LAST_SEQ | F_CTL_END_SEQ;
	pkt->pkt_cmd_fhdr.seq_id = 0;
	pkt->pkt_cmd_fhdr.df_ctl = 0;
	pkt->pkt_cmd_fhdr.seq_cnt = 0;
	pkt->pkt_cmd_fhdr.ox_id = fct_cmd->cmd_oxid;
	pkt->pkt_cmd_fhdr.rx_id = fct_cmd->cmd_rxid;
	pkt->pkt_cmd_fhdr.ro = 0;

	/* Build the status payload */
	fcp_rsp = (emlxs_fcp_rsp *)pkt->pkt_cmd;

	if (fct_task->task_resid) {
		if (fct_task->task_status_ctrl & TASK_SCTRL_OVER) {
			TGTPORTSTAT.FctScsiResidOver++;
			fcp_rsp->rspStatus2 |= RESID_OVER;
			fcp_rsp->rspResId = SWAP_DATA32(fct_task->task_resid);

		} else if (fct_task->task_status_ctrl & TASK_SCTRL_UNDER) {
			TGTPORTSTAT.FctScsiResidUnder++;
			fcp_rsp->rspStatus2 |= RESID_UNDER;
			fcp_rsp->rspResId = SWAP_DATA32(fct_task->task_resid);

		}
	}

	if (fct_task->task_scsi_status) {
		if (fct_task->task_scsi_status == SCSI_STAT_QUE_FULL) {
			TGTPORTSTAT.FctScsiQfullErr++;
		} else {
			TGTPORTSTAT.FctScsiStatusErr++;
		}

		/* Make sure residual reported on non-SCSI_GOOD READ status */
		if ((fct_task->task_flags & TF_READ_DATA) &&
		    (fcp_rsp->rspResId == 0)) {
			fcp_rsp->rspStatus2 |= RESID_UNDER;
			fcp_rsp->rspResId =
			    fct_task->task_expected_xfer_length;
		}
	}


	if (fct_task->task_sense_length) {
		TGTPORTSTAT.FctScsiSenseErr++;
		fcp_rsp->rspStatus2 |= SNS_LEN_VALID;
		fcp_rsp->rspSnsLen = SWAP_DATA32(fct_task->task_sense_length);

		bcopy((uint8_t *)fct_task->task_sense_data,
		    (uint8_t *)&fcp_rsp->rspInfo0,
		    fct_task->task_sense_length);
	}

	fcp_rsp->rspStatus3 = fct_task->task_scsi_status;
	fcp_rsp->rspRspLen = 0;
	cmd_sbp->fct_flags |= EMLXS_FCT_IO_INP;

	if (emlxs_pkt_send(pkt, 1) != FC_SUCCESS) {
		EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_error_msg,
		    "emlxs_fct_send_fcp_status: Unable to send packet.");

		if (cmd_sbp->pkt_flags & PACKET_VALID) {
			mutex_enter(&cmd_sbp->mtx);
			cmd_sbp->fct_pkt = NULL;
			cmd_sbp->pkt_flags |= PACKET_RETURNED;
			cmd_sbp->fct_flags &= ~EMLXS_FCT_IO_INP;
			mutex_exit(&cmd_sbp->mtx);
		}

		emlxs_pkt_free(pkt);

		emlxs_fct_state_chg(fct_cmd, cmd_sbp, EMLXS_FCT_OWNED);
		return (FCT_BUSY);
	}

	emlxs_fct_state_chg(fct_cmd, cmd_sbp, EMLXS_FCT_STATUS_PENDING);
	return (FCT_SUCCESS);

}  /* emlxs_fct_send_fcp_status() */


static fct_status_t
emlxs_fct_send_qfull_reply(emlxs_port_t *port, emlxs_node_t *ndlp,
    uint16_t xid, uint32_t class, emlxs_fcp_cmd_t *fcp_cmd)
{
	emlxs_hba_t *hba = HBA;
	emlxs_buf_t *sbp;
	fc_packet_t *pkt;
	emlxs_fcp_rsp *fcp_rsp;
	uint32_t size;
	RING *rp = &hba->ring[FC_FCP_RING];
	uint8_t lun[8];

	bcopy((void *)&fcp_cmd->fcpLunMsl, lun, 8);
	size = 24;

	if (!(pkt = emlxs_pkt_alloc(port, size, 0, 0, KM_NOSLEEP))) {
		EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_error_msg,
		    "emlxs_fct_send_qfull_reply: Unable to allocate packet.");
		return (FCT_FAILURE);
	}


	sbp = PKT2PRIV(pkt);
	sbp->node = ndlp;
	sbp->ring = rp;
	sbp->did = ndlp->nlp_DID;
	sbp->lun = (lun[0] << 8) | lun[1];
	sbp->class = class;

	pkt->pkt_tran_type = FC_PKT_OUTBOUND;
	pkt->pkt_timeout =
	    ((2 * hba->fc_ratov) < 30) ? 30 : (2 * hba->fc_ratov);

	/* Build the fc header */
	pkt->pkt_cmd_fhdr.d_id = SWAP_DATA24_LO(ndlp->nlp_DID);
	pkt->pkt_cmd_fhdr.r_ctl = R_CTL_STATUS;
	pkt->pkt_cmd_fhdr.s_id = SWAP_DATA24_LO(port->did);
	pkt->pkt_cmd_fhdr.type = FC_TYPE_SCSI_FCP;
	pkt->pkt_cmd_fhdr.f_ctl =
	    F_CTL_XCHG_CONTEXT | F_CTL_LAST_SEQ | F_CTL_END_SEQ;
	pkt->pkt_cmd_fhdr.seq_id = 0;
	pkt->pkt_cmd_fhdr.df_ctl = 0;
	pkt->pkt_cmd_fhdr.seq_cnt = 0;
	pkt->pkt_cmd_fhdr.ox_id = 0xFFFF;
	pkt->pkt_cmd_fhdr.rx_id = xid;
	pkt->pkt_cmd_fhdr.ro = 0;

	EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_error_msg,
	    "emlxs_fct_send_qfull_reply: Sending QFULL: x%x lun x%x: %d %d",
	    xid, sbp->lun, TGTPORTSTAT.FctOutstandingIO,
	    port->fct_port->port_max_xchges);

	/* Build the status payload */
	fcp_rsp = (emlxs_fcp_rsp *)pkt->pkt_cmd;

	TGTPORTSTAT.FctScsiQfullErr++;
	fcp_rsp->rspStatus3 = SCSI_STAT_QUE_FULL;
	fcp_rsp->rspStatus2 |= RESID_UNDER;
	fcp_rsp->rspResId = SWAP_DATA32(fcp_cmd->fcpDl);

	if (emlxs_pkt_send(pkt, 1) != FC_SUCCESS) {
		EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_error_msg,
		    "emlxs_fct_send_qfull_reply: Unable to send packet.");
		emlxs_pkt_free(pkt);
		return (FCT_FAILURE);
	}

	return (FCT_SUCCESS);

}  /* emlxs_fct_send_qfull_reply() */


/* ARGSUSED */
extern int
emlxs_fct_handle_fcp_event(emlxs_hba_t *hba, RING *rp, IOCBQ *iocbq)
{
	emlxs_port_t *port = &PPORT;
	IOCB *iocb;
	emlxs_buf_t *sbp;
	emlxs_buf_t *cmd_sbp;
	uint32_t status;
	fct_cmd_t *fct_cmd;
	stmf_data_buf_t *dbuf;
	uint8_t term_io;
	scsi_task_t *fct_task;
	fc_packet_t *pkt;

	iocb = &iocbq->iocb;
	sbp = (emlxs_buf_t *)iocbq->sbp;


	TGTPORTSTAT.FctEvent++;

	if (!sbp) {
		/* completion with missing xmit command */
		TGTPORTSTAT.FctStray++;

		/* emlxs_stray_fcp_completion_msg */
		EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_detail_msg,
		    "FCP event cmd=%x status=%x error=%x iotag=%x",
		    iocb->ulpCommand, iocb->ulpStatus,
		    iocb->un.grsp.perr.statLocalError, iocb->ulpIoTag);

		return (1);
	}

	TGTPORTSTAT.FctCompleted++;

	port = sbp->iocbq.port;
	fct_cmd = sbp->fct_cmd;
	status = iocb->ulpStatus;

#ifdef FCT_API_TRACE
	EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_detail_msg,
	    "emlxs_fct_handle_fcp_event: %p: cmd=%x status=%x", fct_cmd,
	    iocb->ulpCommand, status);
#endif /* FCT_API_TRACE */

	if (fct_cmd == NULL) {
		/* For driver generated QFULL response */
		if (((iocb->ulpCommand == CMD_FCP_TRSP_CX) ||
		    (iocb->ulpCommand == CMD_FCP_TRSP64_CX)) && sbp->pkt) {
			emlxs_pkt_free(sbp->pkt);
		}
		return (0);
	}

	/* Validate fct_cmd */
	if ((fct_cmd->cmd_oxid == 0) && (fct_cmd->cmd_rxid == 0)) {
		pkt = NULL;
		goto done;
	}

	cmd_sbp = (emlxs_buf_t *)fct_cmd->cmd_fca_private;
	mutex_enter(&cmd_sbp->fct_mtx);

	pkt = cmd_sbp->fct_pkt;
	dbuf = sbp->fct_buf;

	cmd_sbp->fct_flags &= ~EMLXS_FCT_IO_INP;
	emlxs_fct_state_chg(fct_cmd, cmd_sbp, EMLXS_FCT_REQ_COMPLETE);

	fct_cmd->cmd_comp_status = FCT_SUCCESS;

	term_io = 0;
	if (status) {
		fct_cmd->cmd_comp_status = FCT_FAILURE;
		term_io = 1;
	}

	if (cmd_sbp->fct_flags & EMLXS_FCT_ABORT_INP) {

		TGTPORTSTAT.FctOutstandingIO--;
		emlxs_fct_state_chg(fct_cmd, cmd_sbp, EMLXS_FCT_ABORT_DONE);
		/* mutex_exit(&cmd_sbp->fct_mtx); */
		(void) emlxs_fct_cmd_uninit(port, fct_cmd);
		MODSYM(fct_cmd_fca_aborted) (fct_cmd,
		    FCT_ABORT_SUCCESS, FCT_IOF_FCA_DONE);
		goto done;
	}

	if (term_io) {
		/*
		 * The error indicates this IO should be terminated
		 * immediately.
		 */

		mutex_enter(&cmd_sbp->mtx);
		cmd_sbp->fct_flags &= ~EMLXS_FCT_SEND_STATUS;
		cmd_sbp->pkt_flags |= PACKET_RETURNED;
		mutex_exit(&cmd_sbp->mtx);

		emlxs_fct_state_chg(fct_cmd, cmd_sbp, EMLXS_FCT_OWNED);
		mutex_exit(&cmd_sbp->fct_mtx);

#ifdef FCT_API_TRACE
		EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_api_msg,
		    "fct_queue_cmd_for_termination:1 %p: x%x",
		    fct_cmd, fct_cmd->cmd_comp_status);
#endif /* FCT_API_TRACE */
		MODSYM(fct_queue_cmd_for_termination) (fct_cmd,
		    FCT_ABTS_RECEIVED);
		goto done;
	}

	switch (iocb->ulpCommand) {

	/*
	 *  FCP Data completion
	 */
	case CMD_FCP_TSEND_CX:
	case CMD_FCP_TSEND64_CX:
	case CMD_FCP_TRECEIVE_CX:
	case CMD_FCP_TRECEIVE64_CX:

		mutex_enter(&cmd_sbp->mtx);
		cmd_sbp->pkt_flags &= ~PACKET_RETURNED;
		mutex_exit(&cmd_sbp->mtx);

		if (status == 0) {
			if (dbuf->db_flags & DB_DIRECTION_FROM_RPORT) {
				emlxs_fct_dbuf_dma_sync(dbuf,
				    DDI_DMA_SYNC_FORCPU);
			}

			if (cmd_sbp->fct_flags & EMLXS_FCT_SEND_STATUS) {
				dbuf->db_flags |= DB_STATUS_GOOD_SENT;

				fct_task =
				    (scsi_task_t *)fct_cmd->cmd_specific;
				fct_task->task_scsi_status = 0;

				(void) emlxs_fct_send_fcp_status(fct_cmd);
				mutex_exit(&cmd_sbp->fct_mtx);

				break;
			}
		}

		cmd_sbp->fct_flags &= ~EMLXS_FCT_SEND_STATUS;
		mutex_enter(&cmd_sbp->mtx);
		cmd_sbp->pkt_flags |= PACKET_RETURNED;
		mutex_exit(&cmd_sbp->mtx);

		emlxs_fct_state_chg(fct_cmd, cmd_sbp, EMLXS_FCT_OWNED);
		mutex_exit(&cmd_sbp->fct_mtx);
#ifdef FCT_API_TRACE
		EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_api_msg,
		    "fct_scsi_data_xfer_done:1 %p %p", fct_cmd, dbuf);
#endif /* FCT_API_TRACE */
		MODSYM(fct_scsi_data_xfer_done) (fct_cmd, dbuf, 0);

		break;

		/* FCP Status completion */
	case CMD_FCP_TRSP_CX:
	case CMD_FCP_TRSP64_CX:

		mutex_enter(&cmd_sbp->mtx);
		cmd_sbp->pkt_flags &= ~PACKET_RETURNED;
		cmd_sbp->fct_pkt = NULL;
		mutex_exit(&cmd_sbp->mtx);

		emlxs_fct_state_chg(fct_cmd, cmd_sbp, EMLXS_FCT_IO_DONE);

		if (cmd_sbp->fct_flags & EMLXS_FCT_SEND_STATUS) {

			/* mutex_exit(&cmd_sbp->fct_mtx); */
			(void) emlxs_fct_cmd_uninit(port, fct_cmd);
			TGTPORTSTAT.FctOutstandingIO--;

#ifdef FCT_API_TRACE
			EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_api_msg,
			    "fct_scsi_data_xfer_done:2 %p %p",
			    fct_cmd, cmd_sbp->fct_buf);
#endif /* FCT_API_TRACE */
			MODSYM(fct_scsi_data_xfer_done) (fct_cmd,
			    cmd_sbp->fct_buf, FCT_IOF_FCA_DONE);
		} else {
			/* mutex_exit(&cmd_sbp->fct_mtx); */
			(void) emlxs_fct_cmd_uninit(port, fct_cmd);
			TGTPORTSTAT.FctOutstandingIO--;

#ifdef FCT_API_TRACE
			EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_api_msg,
			    "fct_send_response_done:1 %p: x%x",
			    fct_cmd, fct_cmd->cmd_comp_status);
#endif /* FCT_API_TRACE */
			MODSYM(fct_send_response_done) (fct_cmd,
			    fct_cmd->cmd_comp_status, FCT_IOF_FCA_DONE);
		}
		break;

	default:

		cmd_sbp->fct_pkt = NULL;

		TGTPORTSTAT.FctStray++;

		TGTPORTSTAT.FctCompleted--;
		mutex_exit(&cmd_sbp->fct_mtx);

		EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_detail_msg,
		    "Invalid iocb: cmd=0x%x", iocb->ulpCommand);

		if (pkt) {
			emlxs_pkt_complete(sbp, status,
			    iocb->un.grsp.perr.statLocalError, 1);
		}

	}	/* switch(iocb->ulpCommand) */


done:
	if (pkt) {
		emlxs_pkt_free(pkt);
	}

	if (status == IOSTAT_SUCCESS) {
		TGTPORTSTAT.FctCmplGood++;
	} else {
		TGTPORTSTAT.FctCmplError++;
	}

	return (0);

}  /* emlxs_fct_handle_fcp_event() */


/* ARGSUSED */
extern int
emlxs_fct_handle_abort(emlxs_hba_t *hba, RING *rp, IOCBQ *iocbq)
{
	emlxs_port_t *port = &PPORT;
	IOCB *iocb;
	emlxs_buf_t *sbp;
	fc_packet_t *pkt;

	iocb = &iocbq->iocb;
	sbp = (emlxs_buf_t *)iocbq->sbp;

	TGTPORTSTAT.FctEvent++;

	if (!sbp) {
		/* completion with missing xmit command */
		TGTPORTSTAT.FctStray++;

		/* emlxs_stray_fcp_completion_msg */
		EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_detail_msg,
		    "ABORT event cmd=%x status=%x error=%x iotag=%x",
		    iocb->ulpCommand, iocb->ulpStatus,
		    iocb->un.grsp.perr.statLocalError, iocb->ulpIoTag);

		return (1);
	}

	pkt = PRIV2PKT(sbp);

#ifdef FCT_API_TRACE
	EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_detail_msg,
	    "emlxs_fct_handle_abort: %p: xri=%x status=%x", iocb->ulpContext,
	    iocb->ulpCommand, iocb->ulpStatus);
#endif /* FCT_API_TRACE */


	if (pkt) {
		emlxs_pkt_free(pkt);
	}
	return (0);

}  /* emlxs_fct_handle_abort() */


extern int
emlxs_fct_handle_unsol_els(emlxs_port_t *port, RING *rp, IOCBQ *iocbq,
    MATCHMAP *mp, uint32_t size)
{
	emlxs_hba_t *hba = HBA;
	IOCB *iocb;
	uint32_t cmd_code;
	fct_cmd_t *fct_cmd;
	fct_els_t *els;
	uint32_t sid;
	uint32_t padding;
	uint8_t *bp;
	emlxs_buf_t *cmd_sbp;
	uint32_t rval;

	HBASTATS.ElsCmdReceived++;

	bp = mp->virt;
	cmd_code = (*(uint32_t *)bp) & ELS_CMD_MASK;
	iocb = &iocbq->iocb;
	sid = iocb->un.elsreq.remoteID;

	if (!port->fct_port) {
		EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_unsol_els_msg,
		    "%s: sid=%x. Target unbound. Rejecting...",
		    emlxs_elscmd_xlate(cmd_code), sid);
		(void) emlxs_els_reply(port, iocbq, ELS_CMD_LS_RJT, cmd_code,
		    LSRJT_UNABLE_TPC, LSEXP_NOTHING_MORE);

		goto done;
	}

	if (!(port->fct_flags & FCT_STATE_PORT_ONLINE)) {
		EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_unsol_els_msg,
		    "%s: sid=%x. Target offline. Rejecting...",
		    emlxs_elscmd_xlate(cmd_code), sid);
		(void) emlxs_els_reply(port, iocbq, ELS_CMD_LS_RJT, cmd_code,
		    LSRJT_UNABLE_TPC, LSEXP_NOTHING_MORE);

		goto done;
	}

	/* Process the request */
	switch (cmd_code) {
	case ELS_CMD_FLOGI:
		rval =
		    emlxs_fct_process_unsol_flogi(port, rp, iocbq, mp, size);

		if (!rval) {
			ELS_PKT *els_pkt = (ELS_PKT *)bp;

			/* Save the FLOGI exchange information */
			bzero((uint8_t *)&port->fx,
			    sizeof (fct_flogi_xchg_t));
			port->fx_context = iocb->ulpContext;
			bcopy((caddr_t)&els_pkt->un.logi.nodeName,
			    (caddr_t)port->fx.fx_nwwn, 8);
			bcopy((caddr_t)&els_pkt->un.logi.portName,
			    (caddr_t)port->fx.fx_pwwn, 8);
			port->fx.fx_sid = sid;
			port->fx.fx_did = iocb->un.elsreq.myID;
			port->fx.fx_fport = els_pkt->un.logi.cmn.fPort;
			port->fx.fx_op = ELS_OP_FLOGI;

			/* Try to handle the FLOGI now */
			emlxs_fct_handle_rcvd_flogi(port);
		}
		goto done;

	case ELS_CMD_PLOGI:
		rval =
		    emlxs_fct_process_unsol_plogi(port, rp, iocbq, mp, size);
		break;

	default:
		EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_unsol_els_msg,
		    "%s: sid=0x%x", emlxs_elscmd_xlate(cmd_code), sid);
		rval = 0;
		break;
	}

	if (rval) {
		goto done;
	}

	padding = (8 - (size & 7)) & 7;

	fct_cmd = (fct_cmd_t *)MODSYM(fct_alloc) (FCT_STRUCT_CMD_RCVD_ELS,
	    (size + padding + GET_STRUCT_SIZE(emlxs_buf_t)),
	    AF_FORCE_NOSLEEP);

#ifdef FCT_API_TRACE
	{
		uint32_t *ptr = (uint32_t *)bp;

		EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_api_msg,
		    "fct_alloc %p: ELS rcvd: rxid=%x payload: x%x x%x",
		    fct_cmd, iocb->ulpContext, *ptr, *(ptr + 1));
	}
#endif /* FCT_API_TRACE */

	if (fct_cmd == NULL) {
		EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_unsol_els_msg,
		    "%s: sid=%x. Out of memory. Rejecting...",
		    emlxs_elscmd_xlate(cmd_code), sid);

		(void) emlxs_els_reply(port, iocbq, ELS_CMD_LS_RJT, cmd_code,
		    LSRJT_LOGICAL_BSY, LSEXP_OUT_OF_RESOURCE);
		goto done;
	}

	cmd_sbp = emlxs_fct_cmd_init(port, fct_cmd);
	/* mutex_enter(&cmd_sbp->fct_mtx); */

	/* Initialize fct_cmd */
	fct_cmd->cmd_oxid = (cmd_code >> ELS_CMD_SHIFT) & 0xff;
	fct_cmd->cmd_rxid = iocb->ulpContext;
	fct_cmd->cmd_rportid = sid;
	fct_cmd->cmd_lportid = port->did;
	fct_cmd->cmd_rp_handle = iocb->ulpIoTag;	/* RPI */
	fct_cmd->cmd_port = port->fct_port;

	emlxs_fct_state_chg(fct_cmd, cmd_sbp, EMLXS_FCT_ELS_CMD_RECEIVED);

	/* Initialize cmd_sbp */
	cmd_sbp->did = sid;
	cmd_sbp->ring = rp;
	cmd_sbp->class = iocb->ulpClass;
	cmd_sbp->fct_type = EMLXS_FCT_ELS_CMD;
	cmd_sbp->fct_flags |= EMLXS_FCT_PLOGI_RECEIVED;

	bcopy((uint8_t *)iocb, (uint8_t *)&cmd_sbp->iocbq,
	    sizeof (emlxs_iocb_t));

	els = (fct_els_t *)fct_cmd->cmd_specific;
	els->els_req_size = size;
	els->els_req_payload =
	    GET_BYTE_OFFSET(fct_cmd->cmd_fca_private,
	    GET_STRUCT_SIZE(emlxs_buf_t));
	bcopy(bp, els->els_req_payload, size);

	mutex_enter(&cmd_sbp->mtx);
	cmd_sbp->pkt_flags |= PACKET_RETURNED;
	mutex_exit(&cmd_sbp->mtx);

	emlxs_fct_unsol_callback(port, fct_cmd);

done:

	return (0);

}  /* emlxs_fct_handle_unsol_els() */


/* ARGSUSED */
static uint32_t
emlxs_fct_process_unsol_flogi(emlxs_port_t *port, RING *rp, IOCBQ *iocbq,
    MATCHMAP *mp, uint32_t size)
{
	IOCB *iocb;
	char buffer[64];

	buffer[0] = 0;

	iocb = &iocbq->iocb;

	/* Perform processing of FLOGI payload */
	if (emlxs_process_unsol_flogi(port, iocbq, mp, size, buffer)) {
		return (1);
	}

	EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_unsol_els_msg, "FLOGI: sid=0x%x %s",
	    iocb->un.elsreq.remoteID, buffer);

	return (0);

}  /* emlxs_fct_process_unsol_flogi() */


/* ARGSUSED */
static uint32_t
emlxs_fct_process_unsol_plogi(emlxs_port_t *port, RING *rp, IOCBQ *iocbq,
    MATCHMAP *mp, uint32_t size)
{
	IOCB *iocb;
	char buffer[64];

	buffer[0] = 0;

	iocb = &iocbq->iocb;

	/* Perform processing of PLOGI payload */
	if (emlxs_process_unsol_plogi(port, iocbq, mp, size, buffer)) {
		return (1);
	}

	EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_unsol_els_msg, "PLOGI: sid=0x%x %s",
	    iocb->un.elsreq.remoteID, buffer);

	return (0);

}  /* emlxs_fct_process_unsol_plogi() */


/* ARGSUSED */
static emlxs_buf_t *
emlxs_fct_pkt_init(emlxs_port_t *port, fct_cmd_t *fct_cmd,
    fc_packet_t *pkt)
{
	emlxs_buf_t *cmd_sbp;
	emlxs_buf_t *sbp;

	cmd_sbp = (emlxs_buf_t *)fct_cmd->cmd_fca_private;

	sbp = PKT2PRIV(pkt);
	sbp->fct_cmd = cmd_sbp->fct_cmd;
	sbp->node = cmd_sbp->node;
	sbp->ring = cmd_sbp->ring;
	sbp->did = cmd_sbp->did;
	sbp->lun = cmd_sbp->lun;
	sbp->class = cmd_sbp->class;
	sbp->fct_type = cmd_sbp->fct_type;
	sbp->fct_state = cmd_sbp->fct_state;

	return (sbp);

}  /* emlxs_fct_pkt_init() */


/* Mutex will be acquired */
static emlxs_buf_t *
emlxs_fct_cmd_init(emlxs_port_t *port, fct_cmd_t *fct_cmd)
{
	emlxs_hba_t *hba = HBA;
	emlxs_buf_t *cmd_sbp = (emlxs_buf_t *)fct_cmd->cmd_fca_private;

	bzero((void *)cmd_sbp, sizeof (emlxs_buf_t));
	mutex_init(&cmd_sbp->fct_mtx, NULL, MUTEX_DRIVER,
	    (void *)hba->intr_arg);
	mutex_init(&cmd_sbp->mtx, NULL, MUTEX_DRIVER, (void *)hba->intr_arg);


	mutex_enter(&cmd_sbp->fct_mtx);
	cmd_sbp->pkt_flags = PACKET_VALID;
	cmd_sbp->port = port;
	cmd_sbp->fct_cmd = fct_cmd;
	cmd_sbp->node = (fct_cmd->cmd_rp) ?
	    *(emlxs_node_t **)fct_cmd->cmd_rp->rp_fca_private : NULL;
	cmd_sbp->iocbq.sbp = cmd_sbp;
	cmd_sbp->iocbq.port = port;

	return (cmd_sbp);

}  /* emlxs_fct_cmd_init() */


/* Mutex must be held */
static int
emlxs_fct_cmd_uninit(emlxs_port_t *port, fct_cmd_t *fct_cmd)
{
	emlxs_buf_t *cmd_sbp = (emlxs_buf_t *)fct_cmd->cmd_fca_private;

	/* Flags fct_cmd is no longer used */
	fct_cmd->cmd_oxid = 0;
	fct_cmd->cmd_rxid = 0;


	if (!(cmd_sbp->pkt_flags & PACKET_VALID)) {
		return (FC_FAILURE);
	}

	if (cmd_sbp->iotag != 0) {
		EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_detail_msg,
		    "Pkt still registered! ringo=%d iotag=%d sbp=%p",
		    cmd_sbp->ring, cmd_sbp->iotag, cmd_sbp);

		if (cmd_sbp->ring) {
			(void) emlxs_unregister_pkt(cmd_sbp->ring,
			    cmd_sbp->iotag, 0);
		}
	}

	cmd_sbp->pkt_flags |= PACKET_RETURNED;
	cmd_sbp->pkt_flags &= ~PACKET_VALID;

	mutex_exit(&cmd_sbp->fct_mtx);
	mutex_destroy(&cmd_sbp->mtx);
	mutex_destroy(&cmd_sbp->fct_mtx);

	return (FC_SUCCESS);

}  /* emlxs_fct_cmd_uninit() */


static void
emlxs_fct_pkt_comp(fc_packet_t *pkt)
{
	emlxs_port_t *port;
#ifdef FMA_SUPPORT
	emlxs_hba_t *hba;
#endif	/* FMA_SUPPORT */
	emlxs_buf_t *sbp;
	emlxs_buf_t *cmd_sbp;
	fct_cmd_t *fct_cmd;
	fct_els_t *fct_els;
	fct_sol_ct_t *fct_ct;

	sbp = PKT2PRIV(pkt);
	port = sbp->port;
#ifdef FMA_SUPPORT
	hba = HBA;
#endif	/* FMA_SUPPORT */
	fct_cmd = sbp->fct_cmd;
	cmd_sbp = (emlxs_buf_t *)fct_cmd->cmd_fca_private;
	mutex_enter(&cmd_sbp->fct_mtx);
	cmd_sbp->fct_flags &= ~EMLXS_FCT_IO_INP;
	emlxs_fct_state_chg(fct_cmd, cmd_sbp, EMLXS_FCT_PKT_COMPLETE);

	if (cmd_sbp->fct_flags & EMLXS_FCT_ABORT_INP) {

		if (fct_cmd->cmd_type == FCT_CMD_FCP_XCHG) {
			TGTPORTSTAT.FctOutstandingIO--;
		}
		emlxs_fct_state_chg(fct_cmd, cmd_sbp, EMLXS_FCT_ABORT_DONE);
		/* mutex_exit(&cmd_sbp->fct_mtx); */
		(void) emlxs_fct_cmd_uninit(port, fct_cmd);
		MODSYM(fct_cmd_fca_aborted) (fct_cmd,
		    FCT_ABORT_SUCCESS, FCT_IOF_FCA_DONE);
		goto done;
	}

	mutex_enter(&cmd_sbp->mtx);
	cmd_sbp->pkt_flags &= ~PACKET_RETURNED;
	cmd_sbp->fct_pkt = NULL;
	mutex_exit(&cmd_sbp->mtx);

	switch (fct_cmd->cmd_type) {
	case FCT_CMD_FCP_XCHG:
		if ((pkt->pkt_reason == FC_REASON_ABORTED) ||
		    (pkt->pkt_reason == FC_REASON_XCHG_DROPPED) ||
		    (pkt->pkt_reason == FC_REASON_OFFLINE)) {
			/*
			 * The error indicates this IO should be terminated
			 * immediately.
			 */

			cmd_sbp->fct_flags &= ~EMLXS_FCT_SEND_STATUS;
			mutex_enter(&cmd_sbp->mtx);
			cmd_sbp->pkt_flags |= PACKET_RETURNED;
			mutex_exit(&cmd_sbp->mtx);

			emlxs_fct_state_chg(fct_cmd, cmd_sbp, EMLXS_FCT_OWNED);
			mutex_exit(&cmd_sbp->fct_mtx);

#ifdef FCT_API_TRACE
			EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_api_msg,
			    "fct_queue_cmd_for_termination:2 %p: x%x",
			    fct_cmd, fct_cmd->cmd_comp_status);
#endif /* FCT_API_TRACE */
			MODSYM(fct_queue_cmd_for_termination) (fct_cmd,
			    FCT_ABTS_RECEIVED);
			goto done;
		}

		emlxs_fct_state_chg(fct_cmd, cmd_sbp,
		    EMLXS_FCT_PKT_FCPRSP_COMPLETE);

		emlxs_fct_state_chg(fct_cmd, cmd_sbp, EMLXS_FCT_IO_DONE);

		/* mutex_exit(&cmd_sbp->fct_mtx); */
		(void) emlxs_fct_cmd_uninit(port, fct_cmd);

#ifdef FCT_API_TRACE
		EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_api_msg,
		    "fct_send_response_done:2 %p: x%x",
		    fct_cmd, fct_cmd->cmd_comp_status);
#else
		EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_detail_msg,
		    "emlxs_fct_pkt_comp: fct_send_response_done. dbuf=%p",
		    sbp->fct_buf);
#endif /* FCT_API_TRACE */

		TGTPORTSTAT.FctOutstandingIO--;

		MODSYM(fct_send_response_done) (fct_cmd,
		    fct_cmd->cmd_comp_status, FCT_IOF_FCA_DONE);

		break;

	case FCT_CMD_RCVD_ELS:

		emlxs_fct_state_chg(fct_cmd, cmd_sbp,
		    EMLXS_FCT_PKT_ELSRSP_COMPLETE);

		emlxs_fct_state_chg(fct_cmd, cmd_sbp, EMLXS_FCT_IO_DONE);

		/* mutex_exit(&cmd_sbp->fct_mtx); */
		(void) emlxs_fct_cmd_uninit(port, fct_cmd);

#ifdef FCT_API_TRACE
		EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_api_msg,
		    "fct_send_response_done:3 %p: x%x",
		    fct_cmd, fct_cmd->cmd_comp_status);
#endif /* FCT_API_TRACE */
		MODSYM(fct_send_response_done) (fct_cmd,
		    fct_cmd->cmd_comp_status, FCT_IOF_FCA_DONE);

		break;

	case FCT_CMD_SOL_ELS:

		emlxs_fct_state_chg(fct_cmd, cmd_sbp,
		    EMLXS_FCT_PKT_ELSCMD_COMPLETE);

		emlxs_fct_state_chg(fct_cmd, cmd_sbp, EMLXS_FCT_IO_DONE);

		fct_els = (fct_els_t *)fct_cmd->cmd_specific;

		if (fct_els->els_resp_payload) {
			emlxs_mpdata_sync(pkt->pkt_resp_dma, 0,
			    pkt->pkt_rsplen, DDI_DMA_SYNC_FORKERNEL);

			bcopy((uint8_t *)pkt->pkt_resp,
			    (uint8_t *)fct_els->els_resp_payload,
			    fct_els->els_resp_size);
		}

		/* mutex_exit(&cmd_sbp->fct_mtx); */
		(void) emlxs_fct_cmd_uninit(port, fct_cmd);

#ifdef FCT_API_TRACE
		EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_api_msg,
		    "fct_send_cmd_done:1 %p: x%x",
		    fct_cmd, fct_cmd->cmd_comp_status);
#endif /* FCT_API_TRACE */
		MODSYM(fct_send_cmd_done) (fct_cmd, FCT_SUCCESS,
		    FCT_IOF_FCA_DONE);

		break;

	case FCT_CMD_SOL_CT:

		emlxs_fct_state_chg(fct_cmd, cmd_sbp,
		    EMLXS_FCT_PKT_CTCMD_COMPLETE);

		emlxs_fct_state_chg(fct_cmd, cmd_sbp, EMLXS_FCT_IO_DONE);

		fct_ct = (fct_sol_ct_t *)fct_cmd->cmd_specific;

		if (fct_ct->ct_resp_payload) {
			emlxs_mpdata_sync(pkt->pkt_resp_dma, 0,
			    pkt->pkt_rsplen, DDI_DMA_SYNC_FORKERNEL);

			bcopy((uint8_t *)pkt->pkt_resp,
			    (uint8_t *)fct_ct->ct_resp_payload,
			    fct_ct->ct_resp_size);
		}

		/* mutex_exit(&cmd_sbp->fct_mtx); */
		(void) emlxs_fct_cmd_uninit(port, fct_cmd);

#ifdef FCT_API_TRACE
		EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_api_msg,
		    "fct_send_cmd_done:2 %p: x%x",
		    fct_cmd, fct_cmd->cmd_comp_status);
#endif /* FCT_API_TRACE */
		MODSYM(fct_send_cmd_done) (fct_cmd, FCT_SUCCESS,
		    FCT_IOF_FCA_DONE);
		break;

	default:
		EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_detail_msg,
		    "emlxs_fct_pkt_comp: Invalid cmd type found. type=%x",
		    fct_cmd->cmd_type);
		cmd_sbp->fct_pkt = NULL;

		mutex_exit(&cmd_sbp->fct_mtx);
	}

done:
	emlxs_pkt_free(pkt);
	return;

}  /* emlxs_fct_pkt_comp() */


static void
emlxs_fct_abort_pkt_comp(fc_packet_t *pkt)
{
#ifdef FCT_API_TRACE
	emlxs_buf_t *sbp;
	IOCBQ *iocbq;
	IOCB *iocb;

	sbp = PKT2PRIV(pkt);
	iocbq = &sbp->iocbq;
	iocb = &iocbq->iocb;

	EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_detail_msg,
	    "emlxs_fct_handle_abort: %p: xri=%x status=%x", iocb->ulpContext,
	    iocb->ulpCommand, iocb->ulpStatus);
#endif /* FCT_API_TRACE */

	emlxs_pkt_free(pkt);
	return;

}  /* emlxs_fct_abort_pkt_comp() */


static fct_status_t
emlxs_fct_send_els_cmd(fct_cmd_t *fct_cmd)
{
	emlxs_port_t *port =
	    (emlxs_port_t *)fct_cmd->cmd_port->port_fca_private;
	emlxs_hba_t *hba = HBA;
	uint32_t did;
	fct_els_t *fct_els;
	fc_packet_t *pkt;
	emlxs_buf_t *cmd_sbp;

	did = fct_cmd->cmd_rportid;
	fct_els = (fct_els_t *)fct_cmd->cmd_specific;

	if (!(pkt = emlxs_pkt_alloc(port, fct_els->els_req_size,
	    fct_els->els_resp_size, 0, KM_NOSLEEP))) {
		EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_error_msg,
		    "emlxs_fct_send_els_cmd: Unable to allocate packet.");
		return (FCT_FAILURE);
	}

	cmd_sbp = emlxs_fct_cmd_init(port, fct_cmd);
	/* mutex_enter(&cmd_sbp->fct_mtx); */

	emlxs_fct_state_chg(fct_cmd, cmd_sbp, EMLXS_FCT_SEND_ELS_REQ);

	cmd_sbp->ring = &hba->ring[FC_ELS_RING];
	cmd_sbp->fct_type = EMLXS_FCT_ELS_REQ;
	cmd_sbp->did = fct_cmd->cmd_rportid;

	(void) emlxs_fct_pkt_init(port, fct_cmd, pkt);
	cmd_sbp->fct_pkt = pkt;

	pkt->pkt_tran_type = FC_PKT_EXCHANGE;
	pkt->pkt_timeout =
	    ((2 * hba->fc_ratov) < 30) ? 30 : (2 * hba->fc_ratov);
	pkt->pkt_comp = emlxs_fct_pkt_comp;

	EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_detail_msg,
	    "emlxs_fct_send_els_cmd: pkt_timeout=%d ratov=%d",
	    pkt->pkt_timeout, hba->fc_ratov);


	/* Build the fc header */
	pkt->pkt_cmd_fhdr.d_id = SWAP_DATA24_LO(did);
	pkt->pkt_cmd_fhdr.r_ctl = R_CTL_ELS_REQ;
	pkt->pkt_cmd_fhdr.s_id = SWAP_DATA24_LO(port->did);
	pkt->pkt_cmd_fhdr.type = FC_TYPE_EXTENDED_LS;
	pkt->pkt_cmd_fhdr.f_ctl =
	    F_CTL_FIRST_SEQ | F_CTL_END_SEQ | F_CTL_SEQ_INITIATIVE;
	pkt->pkt_cmd_fhdr.seq_id = 0;
	pkt->pkt_cmd_fhdr.df_ctl = 0;
	pkt->pkt_cmd_fhdr.seq_cnt = 0;
	pkt->pkt_cmd_fhdr.ox_id = 0xFFFF;
	pkt->pkt_cmd_fhdr.rx_id = 0xFFFF;
	pkt->pkt_cmd_fhdr.ro = 0;

	/* Copy the cmd payload */
	bcopy((uint8_t *)fct_els->els_req_payload, (uint8_t *)pkt->pkt_cmd,
	    fct_els->els_req_size);
	cmd_sbp->fct_flags |= EMLXS_FCT_IO_INP;

	if (emlxs_pkt_send(pkt, 1) != FC_SUCCESS) {
		EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_error_msg,
		    "emlxs_fct_send_els_cmd: Unable to send packet.");

		if (cmd_sbp->pkt_flags & PACKET_VALID) {
			mutex_enter(&cmd_sbp->mtx);
			cmd_sbp->fct_pkt = NULL;
			cmd_sbp->pkt_flags |= PACKET_RETURNED;
			cmd_sbp->fct_flags &= ~EMLXS_FCT_IO_INP;
			mutex_exit(&cmd_sbp->mtx);
		}

		emlxs_pkt_free(pkt);

		emlxs_fct_state_chg(fct_cmd, cmd_sbp, EMLXS_FCT_OWNED);
		mutex_exit(&cmd_sbp->fct_mtx);
		return (FCT_FAILURE);
	}

	emlxs_fct_state_chg(fct_cmd, cmd_sbp, EMLXS_FCT_REQ_PENDING);
	mutex_exit(&cmd_sbp->fct_mtx);
	return (FCT_SUCCESS);

}  /* emlxs_fct_send_els_cmd() */


static fct_status_t
emlxs_fct_send_els_rsp(fct_cmd_t *fct_cmd)
{
	emlxs_port_t *port =
	    (emlxs_port_t *)fct_cmd->cmd_port->port_fca_private;
	emlxs_hba_t *hba = HBA;
	uint32_t did;
	fct_els_t *fct_els;
	fc_packet_t *pkt;
	emlxs_buf_t *cmd_sbp;

	fct_els = (fct_els_t *)fct_cmd->cmd_specific;
	did = fct_cmd->cmd_rportid;

	if (!(pkt = emlxs_pkt_alloc(port, fct_els->els_resp_size, 0, 0,
	    KM_NOSLEEP))) {
		EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_error_msg,
		    "emlxs_fct_send_els_rsp: Unable to allocate packet.");
		return (FCT_FAILURE);
	}

	cmd_sbp = (emlxs_buf_t *)fct_cmd->cmd_fca_private;

	mutex_enter(&cmd_sbp->fct_mtx);
	emlxs_fct_state_chg(fct_cmd, cmd_sbp, EMLXS_FCT_SEND_ELS_RSP);

	mutex_enter(&cmd_sbp->mtx);
	cmd_sbp->pkt_flags &= ~PACKET_RETURNED;
	mutex_exit(&cmd_sbp->mtx);

	cmd_sbp->fct_type = EMLXS_FCT_ELS_RSP;

	(void) emlxs_fct_pkt_init(port, fct_cmd, pkt);
	cmd_sbp->fct_pkt = pkt;

	pkt->pkt_tran_type = FC_PKT_OUTBOUND;
	pkt->pkt_timeout =
	    ((2 * hba->fc_ratov) < 30) ? 30 : (2 * hba->fc_ratov);
	pkt->pkt_comp = emlxs_fct_pkt_comp;

	/* Build the fc header */
	pkt->pkt_cmd_fhdr.d_id = SWAP_DATA24_LO(did);
	pkt->pkt_cmd_fhdr.r_ctl = R_CTL_ELS_RSP;
	pkt->pkt_cmd_fhdr.s_id = SWAP_DATA24_LO(port->did);
	pkt->pkt_cmd_fhdr.type = FC_TYPE_EXTENDED_LS;
	pkt->pkt_cmd_fhdr.f_ctl =
	    F_CTL_XCHG_CONTEXT | F_CTL_LAST_SEQ | F_CTL_END_SEQ;
	pkt->pkt_cmd_fhdr.seq_id = 0;
	pkt->pkt_cmd_fhdr.df_ctl = 0;
	pkt->pkt_cmd_fhdr.seq_cnt = 0;
	pkt->pkt_cmd_fhdr.ox_id = fct_cmd->cmd_oxid;
	pkt->pkt_cmd_fhdr.rx_id = fct_cmd->cmd_rxid;
	pkt->pkt_cmd_fhdr.ro = 0;

	/* Copy the resp payload to pkt_cmd buffer */
	bcopy((uint8_t *)fct_els->els_resp_payload, (uint8_t *)pkt->pkt_cmd,
	    fct_els->els_resp_size);
	cmd_sbp->fct_flags |= EMLXS_FCT_IO_INP;

	if (emlxs_pkt_send(pkt, 1) != FC_SUCCESS) {
		EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_error_msg,
		    "emlxs_fct_send_els_rsp: Unable to send packet.");

		if (cmd_sbp->pkt_flags & PACKET_VALID) {
			mutex_enter(&cmd_sbp->mtx);
			cmd_sbp->fct_pkt = NULL;
			cmd_sbp->pkt_flags |= PACKET_RETURNED;
			cmd_sbp->fct_flags &= ~EMLXS_FCT_IO_INP;
			mutex_exit(&cmd_sbp->mtx);
		}

		emlxs_pkt_free(pkt);

		emlxs_fct_state_chg(fct_cmd, cmd_sbp, EMLXS_FCT_OWNED);
		mutex_exit(&cmd_sbp->fct_mtx);
		return (FCT_FAILURE);
	}

	emlxs_fct_state_chg(fct_cmd, cmd_sbp, EMLXS_FCT_RSP_PENDING);
	mutex_exit(&cmd_sbp->fct_mtx);
	return (FCT_SUCCESS);

}  /* emlxs_fct_send_els_rsp() */


static fct_status_t
emlxs_fct_send_ct_cmd(fct_cmd_t *fct_cmd)
{
	emlxs_port_t *port =
	    (emlxs_port_t *)fct_cmd->cmd_port->port_fca_private;
	emlxs_hba_t *hba = HBA;
	uint32_t did;
	fct_sol_ct_t *fct_ct;
	fc_packet_t *pkt;
	emlxs_buf_t *cmd_sbp;

	did = fct_cmd->cmd_rportid;
	fct_ct = (fct_sol_ct_t *)fct_cmd->cmd_specific;

	if (!(pkt = emlxs_pkt_alloc(port, fct_ct->ct_req_size,
	    fct_ct->ct_resp_size, 0, KM_NOSLEEP))) {
		EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_error_msg,
		    "emlxs_fct_send_ct_cmd: Unable to allocate packet.");
		return (FCT_FAILURE);
	}

	cmd_sbp = emlxs_fct_cmd_init(port, fct_cmd);
	/* mutex_enter(&cmd_sbp->fct_mtx); */

	emlxs_fct_state_chg(fct_cmd, cmd_sbp, EMLXS_FCT_SEND_CT_REQ);
	cmd_sbp->ring = &hba->ring[FC_CT_RING];
	cmd_sbp->fct_type = EMLXS_FCT_CT_REQ;
	cmd_sbp->did = fct_cmd->cmd_rportid;

	(void) emlxs_fct_pkt_init(port, fct_cmd, pkt);
	cmd_sbp->fct_pkt = pkt;

	pkt->pkt_tran_type = FC_PKT_EXCHANGE;
	pkt->pkt_timeout =
	    ((2 * hba->fc_ratov) < 30) ? 30 : (2 * hba->fc_ratov);
	pkt->pkt_comp = emlxs_fct_pkt_comp;

	/* Build the fc header */
	pkt->pkt_cmd_fhdr.d_id = SWAP_DATA24_LO(did);
	pkt->pkt_cmd_fhdr.r_ctl = R_CTL_UNSOL_CONTROL;
	pkt->pkt_cmd_fhdr.s_id = SWAP_DATA24_LO(port->did);
	pkt->pkt_cmd_fhdr.type = FC_TYPE_FC_SERVICES;
	pkt->pkt_cmd_fhdr.f_ctl =
	    F_CTL_FIRST_SEQ | F_CTL_END_SEQ | F_CTL_SEQ_INITIATIVE;
	pkt->pkt_cmd_fhdr.seq_id = 0;
	pkt->pkt_cmd_fhdr.df_ctl = 0;
	pkt->pkt_cmd_fhdr.seq_cnt = 0;
	pkt->pkt_cmd_fhdr.ox_id = 0xFFFF;
	pkt->pkt_cmd_fhdr.rx_id = 0xFFFF;
	pkt->pkt_cmd_fhdr.ro = 0;

	/* Copy the cmd payload */
	bcopy((uint8_t *)fct_ct->ct_req_payload, (uint8_t *)pkt->pkt_cmd,
	    fct_ct->ct_req_size);
	cmd_sbp->fct_flags |= EMLXS_FCT_IO_INP;

	if (emlxs_pkt_send(pkt, 1) != FC_SUCCESS) {
		EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_error_msg,
		    "emlxs_fct_send_ct_cmd: Unable to send packet.");

		if (cmd_sbp->pkt_flags & PACKET_VALID) {
			mutex_enter(&cmd_sbp->mtx);
			cmd_sbp->fct_pkt = NULL;
			cmd_sbp->pkt_flags |= PACKET_RETURNED;
			cmd_sbp->fct_flags &= ~EMLXS_FCT_IO_INP;
			mutex_exit(&cmd_sbp->mtx);
		}

		emlxs_pkt_free(pkt);

		emlxs_fct_state_chg(fct_cmd, cmd_sbp, EMLXS_FCT_OWNED);
		mutex_exit(&cmd_sbp->fct_mtx);
		return (FCT_FAILURE);
	}

	emlxs_fct_state_chg(fct_cmd, cmd_sbp, EMLXS_FCT_REQ_PENDING);
	mutex_exit(&cmd_sbp->fct_mtx);
	return (FCT_SUCCESS);

}  /* emlxs_fct_send_ct_cmd() */


uint32_t
emlxs_fct_pkt_abort_txq(emlxs_port_t *port, emlxs_buf_t *cmd_sbp)
{
	emlxs_hba_t *hba = HBA;
	NODELIST *nlp;
	fc_packet_t *pkt;
	emlxs_buf_t *sbp;
	emlxs_buf_t *iocb_sbp;
	uint8_t ringno;
	RING *rp;
	IOCBQ *iocbq;
	IOCBQ *next;
	IOCBQ *prev;
	uint32_t found;
	uint32_t pkt_flags;
	uint32_t rval = 0;

	/* Check the transmit queue */
	mutex_enter(&EMLXS_RINGTX_LOCK);

	/* The IOCB could point to a cmd_sbp (no packet) or a sbp (packet) */
	pkt = cmd_sbp->fct_pkt;
	if (pkt) {
		sbp = PKT2PRIV(pkt);
		if (sbp == NULL) {
			goto done;
		}
		iocb_sbp = sbp;
		iocbq = &sbp->iocbq;
		pkt_flags = sbp->pkt_flags;
	} else {
		sbp = NULL;
		iocb_sbp = cmd_sbp;
		iocbq = &cmd_sbp->iocbq;
		pkt_flags = cmd_sbp->pkt_flags;
	}

	nlp = (NODELIST *)cmd_sbp->node;
	rp = (RING *)cmd_sbp->ring;
	ringno = (rp) ? rp->ringno : 0;

	if (pkt_flags & PACKET_IN_TXQ) {
		/* Find it on the queue */
		found = 0;
		if (iocbq->flag & IOCB_PRIORITY) {
			/* Search the priority queue */
			prev = NULL;
			next = (IOCBQ *)nlp->nlp_ptx[ringno].q_first;

			while (next) {
				if (next == iocbq) {
					/* Remove it */
					if (prev) {
						prev->next = iocbq->next;
					}

					if (nlp->nlp_ptx[ringno].q_last ==
					    (void *)iocbq) {
						nlp->nlp_ptx[ringno].q_last =
						    (void *)prev;
					}

					if (nlp->nlp_ptx[ringno].q_first ==
					    (void *)iocbq) {
						nlp->nlp_ptx[ringno].q_first =
						    (void *)iocbq->next;
					}

					nlp->nlp_ptx[ringno].q_cnt--;
					iocbq->next = NULL;
					found = 1;
					break;
				}

				prev = next;
				next = next->next;
			}
		} else {
			/* Search the normal queue */
			prev = NULL;
			next = (IOCBQ *)nlp->nlp_tx[ringno].q_first;

			while (next) {
				if (next == iocbq) {
					/* Remove it */
					if (prev) {
						prev->next = iocbq->next;
					}

					if (nlp->nlp_tx[ringno].q_last ==
					    (void *)iocbq) {
						nlp->nlp_tx[ringno].q_last =
						    (void *)prev;
					}

					if (nlp->nlp_tx[ringno].q_first ==
					    (void *)iocbq) {
						nlp->nlp_tx[ringno].q_first =
						    (void *)iocbq->next;
					}

					nlp->nlp_tx[ringno].q_cnt--;
					iocbq->next = NULL;
					found = 1;
					break;
				}

				prev = next;
				next = (IOCBQ *)next->next;
			}
		}

		if (!found) {
			goto done;
		}

		/* Check if node still needs servicing */
		if ((nlp->nlp_ptx[ringno].q_first) ||
		    (nlp->nlp_tx[ringno].q_first &&
		    !(nlp->nlp_flag[ringno] & NLP_CLOSED))) {

			/*
			 * If this is the base node, don't shift the pointers
			 */
			/* We want to drain the base node before moving on */
			if (!nlp->nlp_base) {
				/* Shift ring queue pointers to next node */
				rp->nodeq.q_last = (void *)nlp;
				rp->nodeq.q_first = nlp->nlp_next[ringno];
			}
		} else {
			/* Remove node from ring queue */

			/* If this is the last node on list */
			if (rp->nodeq.q_last == (void *)nlp) {
				rp->nodeq.q_last = NULL;
				rp->nodeq.q_first = NULL;
				rp->nodeq.q_cnt = 0;
			} else {
				/* Remove node from head */
				rp->nodeq.q_first = nlp->nlp_next[ringno];
				((NODELIST *)rp->nodeq.q_last)->
				    nlp_next[ringno] = rp->nodeq.q_first;
				rp->nodeq.q_cnt--;
			}

			/* Clear node */
			nlp->nlp_next[ringno] = NULL;
		}

		/* The IOCB points to a cmd_sbp (no packet) or a sbp (packet) */
		mutex_enter(&iocb_sbp->mtx);

		if (iocb_sbp->pkt_flags & PACKET_IN_TXQ) {
			iocb_sbp->pkt_flags &= ~PACKET_IN_TXQ;
			hba->ring_tx_count[ringno]--;
		}

		mutex_exit(&iocb_sbp->mtx);

		(void) emlxs_unregister_pkt(rp, iocb_sbp->iotag, 0);

		mutex_exit(&EMLXS_RINGTX_LOCK);

		rval = 1;

		if (pkt) {
			emlxs_pkt_free(pkt);
			cmd_sbp->fct_pkt = NULL;
		}
		return (rval);
	}
done:
	mutex_exit(&EMLXS_RINGTX_LOCK);
	return (rval);
}


/* FCT_NOT_FOUND & FCT_ABORT_SUCCESS indicates IO is done */
/* FCT_SUCCESS indicates abort will occur asyncronously */
static fct_status_t
emlxs_fct_abort(fct_local_port_t *fct_port, fct_cmd_t *fct_cmd,
    uint32_t flags)
{
	emlxs_port_t *port = (emlxs_port_t *)fct_port->port_fca_private;
	emlxs_hba_t *hba = HBA;
	emlxs_buf_t *cmd_sbp;
	fc_packet_t *pkt;
	uint32_t state;
	emlxs_buf_t *sbp = NULL;
	fct_status_t rval;

top:
	/* Sanity check */
	if ((fct_cmd->cmd_oxid == 0) && (fct_cmd->cmd_rxid == 0)) {
		EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_detail_msg,
		    "emlxs_fct_abort: Invalid fct_cmd=%p.", fct_cmd);

		return (FCT_NOT_FOUND);
	}

	cmd_sbp = (emlxs_buf_t *)fct_cmd->cmd_fca_private;
	if (!(cmd_sbp->pkt_flags & PACKET_VALID)) {
		EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_detail_msg,
		    "emlxs_fct_abort: Invalid cmd_sbp=%p.", cmd_sbp);

		return (FCT_NOT_FOUND);
	}

	if (mutex_tryenter(&cmd_sbp->fct_mtx) == 0) {

		/*
		 * This code path handles a race condition if
		 * an IO completes, in emlxs_fct_handle_fcp_event(),
		 * and we get an abort at the same time.
		 */
		delay(drv_usectohz(100000));	/* 100 msec */
		goto top;
	}
	/* At this point, we have entered the mutex */


	if (!(cmd_sbp->pkt_flags & PACKET_VALID)) {
		EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_detail_msg,
		    "emlxs_fct_abort: Invalid cmd_sbp=%p.", cmd_sbp);

		mutex_exit(&cmd_sbp->fct_mtx);
		return (FCT_NOT_FOUND);
	}

	if (flags & FCT_IOF_FORCE_FCA_DONE) {
		fct_cmd->cmd_handle = 0;
	}

	EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_detail_msg,
	    "emlxs_fct_abort: HbaLink %d. "
	    "xid=%x. cmd_sbp=%p state=%d flags=%x,%x,%x",
	    hba->state, fct_cmd->cmd_rxid, cmd_sbp, cmd_sbp->fct_state, flags,
	    cmd_sbp->fct_flags, cmd_sbp->pkt_flags);

	rval = FCT_SUCCESS;
	state = cmd_sbp->fct_state;
	emlxs_fct_state_chg(fct_cmd, cmd_sbp, EMLXS_FCT_SEND_ABORT);

	if (cmd_sbp->fct_flags & EMLXS_FCT_ABORT_INP) {
		emlxs_sli_issue_iocb_cmd(hba, cmd_sbp->ring, 0);
		/* If Abort is already in progress */
		mutex_exit(&cmd_sbp->fct_mtx);
		return (rval);
	}

	TGTPORTSTAT.FctAbortSent++;

	switch (state) {
	case EMLXS_FCT_CMD_POSTED:
	case EMLXS_FCT_SEND_ELS_RSP:
	case EMLXS_FCT_SEND_ELS_REQ:
	case EMLXS_FCT_SEND_CT_REQ:
	case EMLXS_FCT_RSP_PENDING:
	case EMLXS_FCT_REQ_PENDING:
	case EMLXS_FCT_REG_PENDING:
	case EMLXS_FCT_REG_COMPLETE:
	case EMLXS_FCT_OWNED:
	case EMLXS_FCT_SEND_FCP_DATA:
	case EMLXS_FCT_SEND_FCP_STATUS:
	case EMLXS_FCT_DATA_PENDING:
	case EMLXS_FCT_STATUS_PENDING:
	case EMLXS_FCT_IOCB_ISSUED:
	case EMLXS_FCT_IOCB_COMPLETE:
	case EMLXS_FCT_PKT_COMPLETE:
	case EMLXS_FCT_PKT_FCPRSP_COMPLETE:
	case EMLXS_FCT_PKT_ELSRSP_COMPLETE:
	case EMLXS_FCT_PKT_ELSCMD_COMPLETE:
	case EMLXS_FCT_PKT_CTCMD_COMPLETE:
	case EMLXS_FCT_REQ_COMPLETE:
	case EMLXS_FCT_ABORT_DONE:
	case EMLXS_FCT_IO_DONE:
		if (emlxs_fct_pkt_abort_txq(port, cmd_sbp)) {

			if (fct_cmd->cmd_type == FCT_CMD_FCP_XCHG) {
				TGTPORTSTAT.FctOutstandingIO--;
			}
			emlxs_fct_state_chg(fct_cmd, cmd_sbp,
			    EMLXS_FCT_ABORT_DONE);
			/* mutex_exit(&cmd_sbp->fct_mtx); */
			(void) emlxs_fct_cmd_uninit(port, fct_cmd);
			MODSYM(fct_cmd_fca_aborted) (fct_cmd,
			    FCT_ABORT_SUCCESS, FCT_IOF_FCA_DONE);
			return (rval);
		}

		if (!(hba->flag & FC_ONLINE_MODE)) {
			if ((state == EMLXS_FCT_OWNED) ||
			    (state == EMLXS_FCT_CMD_POSTED)) {

				if (fct_cmd->cmd_type == FCT_CMD_FCP_XCHG) {
					TGTPORTSTAT.FctOutstandingIO--;
				}
				emlxs_fct_state_chg(fct_cmd, cmd_sbp,
				    EMLXS_FCT_ABORT_DONE);
				/* mutex_exit(&cmd_sbp->fct_mtx); */
				(void) emlxs_fct_cmd_uninit(port, fct_cmd);
				MODSYM(fct_cmd_fca_aborted) (fct_cmd,
				    FCT_ABORT_SUCCESS, FCT_IOF_FCA_DONE);
				return (rval);
			}
			cmd_sbp->fct_flags |= EMLXS_FCT_ABORT_INP;
			mutex_exit(&cmd_sbp->fct_mtx);
			return (rval);
		}

		if (!(pkt = emlxs_pkt_alloc(port, 0, 0, 0, KM_NOSLEEP))) {
			EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_error_msg,
			    "emlxs_fct_abort: Unable to allocate packet.");
			mutex_exit(&cmd_sbp->fct_mtx);
			return (rval);
		}

		sbp = emlxs_fct_pkt_init(port, fct_cmd, pkt);

		pkt->pkt_tran_type = FC_PKT_OUTBOUND;
		pkt->pkt_timeout =
		    ((2 * hba->fc_ratov) < 30) ? 30 : (2 * hba->fc_ratov);
		pkt->pkt_comp = emlxs_fct_abort_pkt_comp;

		/* Build the fc header */
		pkt->pkt_cmd_fhdr.d_id = SWAP_DATA24_LO(fct_cmd->cmd_rportid);
		pkt->pkt_cmd_fhdr.r_ctl = R_CTL_STATUS;
		pkt->pkt_cmd_fhdr.s_id = SWAP_DATA24_LO(port->did);
		pkt->pkt_cmd_fhdr.type = FC_TYPE_BASIC_LS;
		pkt->pkt_cmd_fhdr.f_ctl =
		    (F_CTL_XCHG_CONTEXT | F_CTL_LAST_SEQ | F_CTL_END_SEQ);
		pkt->pkt_cmd_fhdr.seq_id = 0;
		pkt->pkt_cmd_fhdr.df_ctl = 0;
		pkt->pkt_cmd_fhdr.seq_cnt = 0;
		pkt->pkt_cmd_fhdr.ox_id = fct_cmd->cmd_oxid;
		pkt->pkt_cmd_fhdr.rx_id = fct_cmd->cmd_rxid;
		pkt->pkt_cmd_fhdr.ro = 0;

		cmd_sbp->fct_flags |= EMLXS_FCT_ABORT_INP;
		cmd_sbp->fct_cmd = fct_cmd;
		cmd_sbp->abort_attempts++;

		/* Now disassociate the sbp / pkt from the fct_cmd */
		sbp->fct_cmd = NULL;
		if (hba->state >= FC_LINK_UP) {
			emlxs_fct_state_chg(fct_cmd, cmd_sbp,
			    EMLXS_FCT_ABORT_PENDING);

			EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_detail_msg,
			    "emlxs_fct_abort: ABORT: %p xri x%x",
			    fct_cmd, fct_cmd->cmd_rxid);
		} else {
			emlxs_fct_state_chg(fct_cmd, cmd_sbp,
			    EMLXS_FCT_CLOSE_PENDING);

			EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_detail_msg,
			    "emlxs_fct_abort: CLOSE: %p xri x%x",
			    fct_cmd, fct_cmd->cmd_rxid);
		}

		/*
		 * If there isn't an outstanding IO, indicate the fct_cmd
		 * is aborted now.
		 */
		if ((state == EMLXS_FCT_OWNED) ||
		    (state == EMLXS_FCT_CMD_POSTED)) {

			if (fct_cmd->cmd_type == FCT_CMD_FCP_XCHG) {
				TGTPORTSTAT.FctOutstandingIO--;
			}
			emlxs_fct_state_chg(fct_cmd, cmd_sbp,
			    EMLXS_FCT_ABORT_DONE);
			/* mutex_exit(&cmd_sbp->fct_mtx); */
			(void) emlxs_fct_cmd_uninit(port, fct_cmd);
			MODSYM(fct_cmd_fca_aborted) (fct_cmd,
			    FCT_ABORT_SUCCESS, FCT_IOF_FCA_DONE);
		}

		if (emlxs_pkt_send(pkt, 1) != FC_SUCCESS) {
			EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_error_msg,
			    "emlxs_fct_abort: Unable to send packet.");

			cmd_sbp->fct_flags &= ~EMLXS_FCT_ABORT_INP;
			emlxs_pkt_free(pkt);

			mutex_exit(&cmd_sbp->fct_mtx);
			return (rval);
		}
		break;

	case EMLXS_FCT_CMD_WAITQ:
	case EMLXS_FCT_FCP_CMD_RECEIVED:
	case EMLXS_FCT_ELS_CMD_RECEIVED:
	case EMLXS_FCT_SEND_ABORT:
	case EMLXS_FCT_CLOSE_PENDING:
	case EMLXS_FCT_ABORT_PENDING:
	case EMLXS_FCT_ABORT_COMPLETE:
	default:
		emlxs_fct_state_chg(fct_cmd, cmd_sbp, EMLXS_FCT_OWNED);
		rval = FCT_FAILURE;
		break;

	}	/* switch */

	mutex_exit(&cmd_sbp->fct_mtx);
	return (rval);

}  /* emlxs_fct_abort() */


extern void
emlxs_fct_link_up(emlxs_port_t *port)
{
	emlxs_hba_t *hba = HBA;

	mutex_enter(&EMLXS_PORT_LOCK);

	if (port->fct_port &&
	    (port->fct_flags & FCT_STATE_PORT_ONLINE) &&
	    !(port->fct_flags & FCT_STATE_LINK_UP)) {
		EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_detail_msg,
		    "emlxs_fct_link_up event.");

		port->fct_flags |= FCT_STATE_LINK_UP;

		mutex_exit(&EMLXS_PORT_LOCK);

#ifdef FCT_API_TRACE
		EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_api_msg,
		    "fct_handle_event LINK_UP");
#endif /* FCT_API_TRACE */
		MODSYM(fct_handle_event) (port->fct_port, FCT_EVENT_LINK_UP,
		    0, 0);

		emlxs_fct_unsol_flush(port);
	} else {
		if (!hba->ini_mode &&
		    !(port->fct_flags & FCT_STATE_PORT_ONLINE)) {
			mutex_exit(&EMLXS_PORT_LOCK);

			/* Take link down and hold it down */
			(void) emlxs_reset_link(hba, 0);
		} else {
			mutex_exit(&EMLXS_PORT_LOCK);
		}
	}

	return;

}  /* emlxs_fct_link_up() */


extern void
emlxs_fct_link_down(emlxs_port_t *port)
{
	emlxs_hba_t *hba = HBA;

	mutex_enter(&EMLXS_PORT_LOCK);

	if (port->fct_port &&
	    (port->fct_flags & FCT_STATE_PORT_ONLINE) &&
	    (port->fct_flags & FCT_STATE_LINK_UP)) {
		EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_detail_msg,
		    "emlxs_fct_link_down event.");

		port->fct_flags &= ~FCT_STATE_LINK_UP;

		mutex_exit(&EMLXS_PORT_LOCK);

#ifdef FCT_API_TRACE
		EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_api_msg,
		    "fct_handle_event LINK_DOWN");
#endif /* FCT_API_TRACE */
		MODSYM(fct_handle_event) (port->fct_port, FCT_EVENT_LINK_DOWN,
		    0, 0);
	} else {
		mutex_exit(&EMLXS_PORT_LOCK);
	}

	return;

}  /* emlxs_fct_link_down() */


/* DMA FUNCTIONS */

fct_status_t
emlxs_fct_dmem_init(emlxs_port_t *port)
{
	emlxs_hba_t *hba = HBA;
	emlxs_fct_dmem_bucket_t *p;
	emlxs_fct_dmem_bctl_t *bctl;
	emlxs_fct_dmem_bctl_t *bc;
	emlxs_fct_dmem_bctl_t *prev;
	int32_t j;
	int32_t i;
	uint32_t total_mem;
	uint8_t *addr;
	uint8_t *host_addr;
	uint64_t dev_addr;
	ddi_dma_cookie_t cookie;
	uint32_t ncookie;
	uint32_t bsize;
	size_t len;
	char buf[64];
	ddi_device_acc_attr_t acc;

	bzero(&acc, sizeof (acc));
	acc.devacc_attr_version = DDI_DEVICE_ATTR_V0;
	acc.devacc_attr_endian_flags = DDI_NEVERSWAP_ACC;
	acc.devacc_attr_dataorder = DDI_STRICTORDER_ACC;

	p = port->dmem_bucket;
	for (i = 0; i < FCT_MAX_BUCKETS; i++, p++) {
		if (!p->dmem_nbufs) {
			continue;
		}

		bctl = (emlxs_fct_dmem_bctl_t *)kmem_zalloc(p->dmem_nbufs *
		    sizeof (emlxs_fct_dmem_bctl_t), KM_NOSLEEP);

		if (bctl == NULL) {
			EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_detail_msg,
			    "emlxs_fct_dmem_init: Unable to allocate bctl.");
			goto alloc_bctl_failed;
		}

		p->dmem_bctls_mem = bctl;

		if (ddi_dma_alloc_handle(hba->dip, &emlxs_dma_attr_1sg,
		    DDI_DMA_SLEEP, 0, &p->dmem_dma_handle) != DDI_SUCCESS) {
			EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_detail_msg,
			    "emlxs_fct_dmem_init: Unable to allocate handle.");
			goto alloc_handle_failed;
		}

		total_mem = p->dmem_buf_size * p->dmem_nbufs;

		if (ddi_dma_mem_alloc(p->dmem_dma_handle, total_mem, &acc,
		    DDI_DMA_STREAMING, DDI_DMA_DONTWAIT, 0,
		    (caddr_t *)&addr, &len,
		    &p->dmem_acc_handle) != DDI_SUCCESS) {
			EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_detail_msg,
			    "emlxs_fct_dmem_init: Unable to allocate memory.");
			goto mem_alloc_failed;
		}

		if (ddi_dma_addr_bind_handle(p->dmem_dma_handle, NULL,
		    (caddr_t)addr, total_mem,
		    DDI_DMA_RDWR | DDI_DMA_STREAMING, DDI_DMA_DONTWAIT, 0,
		    &cookie, &ncookie) != DDI_SUCCESS) {
			EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_detail_msg,
			    "emlxs_fct_dmem_init: Unable to bind handle.");
			goto addr_bind_handle_failed;
		}

		if (ncookie != 1) {
			EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_detail_msg,
			    "emlxs_fct_dmem_init: DMEM init failed.");
			goto dmem_init_failed;
		}
		(void) sprintf(buf, "%s%d_bucket%d mutex", DRIVER_NAME,
		    hba->ddiinst, i);
		mutex_init(&p->dmem_lock, buf, MUTEX_DRIVER,
		    (void *)hba->intr_arg);

		EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_detail_msg,
		    "bufsize=%d cnt=%d", p->dmem_buf_size, p->dmem_nbufs);

		host_addr = addr;
		dev_addr = (uint64_t)cookie.dmac_laddress;

		p->dmem_host_addr = addr;
		p->dmem_dev_addr = dev_addr;
		p->dmem_bctl_free_list = bctl;
		p->dmem_nbufs_free = p->dmem_nbufs;
		bsize = p->dmem_buf_size;

		for (j = 0; j < p->dmem_nbufs; j++) {
			stmf_data_buf_t *db;

			db = MODSYM(stmf_alloc) (STMF_STRUCT_DATA_BUF, 0, 0);
#ifdef FCT_API_TRACE
			EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_api_msg,
			    "stmf_alloc data_buf %p", db);
#endif /* FCT_API_TRACE */
			if (db == NULL) {
				EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_detail_msg,
				    "emlxs_fct_dmem_init: alloc failed.");
				goto dmem_init_failed;
			}
			db->db_port_private = bctl;
			db->db_sglist[0].seg_addr = host_addr;
			db->db_sglist[0].seg_length = bsize;
			db->db_buf_size = bsize;
			db->db_sglist_length = 1;

			bctl->bctl_bucket = p;
			bctl->bctl_buf = db;
			bctl->bctl_dev_addr = dev_addr;

			host_addr += bsize;
			dev_addr += bsize;

			prev = bctl;
			bctl++;
			prev->bctl_next = bctl;
		}

		prev->bctl_next = NULL;
	}

	return (FCT_SUCCESS);

dmem_failure_loop:
	mutex_destroy(&p->dmem_lock);
	bc = bctl;
	while (bc) {
#ifdef FCT_API_TRACE
		EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_api_msg,
		    "stmf_free:3 %p", bctl->bctl_buf);
#endif /* FCT_API_TRACE */
		MODSYM(stmf_free) (bc->bctl_buf);
		bc = bc->bctl_next;
	}

dmem_init_failed:
	(void) ddi_dma_unbind_handle(p->dmem_dma_handle);

addr_bind_handle_failed:
	(void) ddi_dma_mem_free(&p->dmem_acc_handle);

mem_alloc_failed:
	(void) ddi_dma_free_handle(&p->dmem_dma_handle);

alloc_handle_failed:
	kmem_free(p->dmem_bctls_mem,
	    p->dmem_nbufs * sizeof (emlxs_fct_dmem_bctl_t));

alloc_bctl_failed:
	if (--i >= 0) {
		p = &port->dmem_bucket[i];
		bctl = p->dmem_bctl_free_list;
		goto dmem_failure_loop;
	}

	return (FCT_FAILURE);

}  /* emlxs_fct_dmem_init() */


void
emlxs_fct_dmem_fini(emlxs_port_t *port)
{
	emlxs_fct_dmem_bucket_t *p;
	emlxs_fct_dmem_bctl_t *bctl;
	uint32_t i;

	p = port->dmem_bucket;
	for (i = 0; i < FCT_MAX_BUCKETS; i++, p++) {
		if (!p->dmem_nbufs) {
			continue;
		}

		bctl = p->dmem_bctl_free_list;

		while (bctl) {
#ifdef FCT_API_TRACE
			EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_api_msg,
			    "stmf_free:4 %p", bctl->bctl_buf);
#endif /* FCT_API_TRACE */
			MODSYM(stmf_free) (bctl->bctl_buf);
			bctl = bctl->bctl_next;
		}

		bctl = p->dmem_bctl_free_list;

		(void) ddi_dma_unbind_handle(p->dmem_dma_handle);
		(void) ddi_dma_mem_free(&p->dmem_acc_handle);
		(void) ddi_dma_free_handle(&p->dmem_dma_handle);

		kmem_free(p->dmem_bctls_mem,
		    (p->dmem_nbufs * sizeof (emlxs_fct_dmem_bctl_t)));
		mutex_destroy(&p->dmem_lock);
	}

	bzero((uint8_t *)port->dmem_bucket, sizeof (port->dmem_bucket));

	return;

}  /* emlxs_fct_dmem_fini() */


/* ARGSUSED */
static stmf_data_buf_t *
emlxs_fct_dbuf_alloc(fct_local_port_t *fct_port, uint32_t size,
    uint32_t *pminsize, uint32_t flags)
{
	emlxs_port_t *port = (emlxs_port_t *)fct_port->port_fca_private;
	emlxs_fct_dmem_bucket_t *p;
	emlxs_fct_dmem_bctl_t *bctl;
	uint32_t i;

	if (size > FCT_DMEM_MAX_BUF_SIZE) {
		size = FCT_DMEM_MAX_BUF_SIZE;
	}

	p = port->dmem_bucket;
	for (i = 0; i < FCT_MAX_BUCKETS; i++, p++) {
		if (!p->dmem_nbufs) {
			continue;
		}

		if (p->dmem_buf_size >= size) {
			mutex_enter(&p->dmem_lock);
			if (p->dmem_nbufs_free) {
				if (p->dmem_buf_size < *pminsize) {
					*pminsize = p->dmem_buf_size;
					TGTPORTSTAT.FctNoBuffer++;

					EMLXS_MSGF(EMLXS_CONTEXT,
					    &emlxs_fct_api_msg,
					    "emlxs_fct_dbuf_alloc: Failed(1).");
					mutex_exit(&p->dmem_lock);
					return (NULL);
				}

				bctl = p->dmem_bctl_free_list;
				if (bctl == NULL) {
					mutex_exit(&p->dmem_lock);
					continue;
				}

				p->dmem_bctl_free_list = bctl->bctl_next;
				p->dmem_nbufs_free--;
				bctl->bctl_buf->db_data_size = size;
				mutex_exit(&p->dmem_lock);

#ifdef FCT_API_TRACE
				EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_api_msg,
				    "emlx_fct_buf_alloc size %p: %d",
				    bctl->bctl_buf, size);
#endif /* FCT_API_TRACE */

				return (bctl->bctl_buf);
			}
			mutex_exit(&p->dmem_lock);

			EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_detail_msg,
			    "emlx_fct_buf_alloc size %d Nothing free bck %d",
			    size, i);
		}
	}

	*pminsize = 0;
	TGTPORTSTAT.FctNoBuffer++;

	EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_api_msg,
	    "emlxs_fct_dbuf_alloc: Failed(2).");

	return (NULL);

}  /* emlxs_fct_dbuf_alloc() */


/*ARGSUSED*/
static void
emlxs_fct_dbuf_free(fct_dbuf_store_t *fds, stmf_data_buf_t *dbuf)
{
	emlxs_fct_dmem_bctl_t *bctl =
	    (emlxs_fct_dmem_bctl_t *)dbuf->db_port_private;
	emlxs_fct_dmem_bucket_t *p = bctl->bctl_bucket;

#ifdef FCT_API_TRACE
	EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_api_msg,
	    "emlx_fct_buf_free %p", dbuf);
#endif /* FCT_API_TRACE */

	mutex_enter(&p->dmem_lock);
	bctl->bctl_next = p->dmem_bctl_free_list;
	p->dmem_bctl_free_list = bctl;
	p->dmem_nbufs_free++;
	mutex_exit(&p->dmem_lock);

}  /* emlxs_fct_dbuf_free() */


static void
emlxs_fct_dbuf_dma_sync(stmf_data_buf_t *dbuf, uint_t sync_type)
{
	emlxs_fct_dmem_bctl_t *bctl =
	    (emlxs_fct_dmem_bctl_t *)dbuf->db_port_private;
	emlxs_fct_dmem_bucket_t *p = bctl->bctl_bucket;

	(void) ddi_dma_sync(p->dmem_dma_handle,
	    (unsigned long)(bctl->bctl_dev_addr - p->dmem_dev_addr),
	    dbuf->db_data_size, sync_type);

}  /* emlxs_fct_dbuf_dma_sync() */


#endif /* SFCT_SUPPORT */