Adding upstream version 5.10.209.upstream/5.10.209

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

1 files changed, 6903 insertions, 0 deletions

diff --git a/drivers/scsi/bfa/bfa_svc.c b/drivers/scsi/bfa/bfa_svc.c
new file mode 100644
index 000000000..11c0c3e6f
--- /dev/null
+++ b/drivers/scsi/bfa/bfa_svc.c
@@ -0,0 +1,6903 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (c) 2005-2014 Brocade Communications Systems, Inc.
+ * Copyright (c) 2014- QLogic Corporation.
+ * All rights reserved
+ * www.qlogic.com
+ *
+ * Linux driver for QLogic BR-series Fibre Channel Host Bus Adapter.
+ */
+
+#include "bfad_drv.h"
+#include "bfad_im.h"
+#include "bfa_plog.h"
+#include "bfa_cs.h"
+#include "bfa_modules.h"
+
+BFA_TRC_FILE(HAL, FCXP);
+
+/*
+ * LPS related definitions
+ */
+#define BFA_LPS_MIN_LPORTS      (1)
+#define BFA_LPS_MAX_LPORTS      (256)
+
+/*
+ * Maximum Vports supported per physical port or vf.
+ */
+#define BFA_LPS_MAX_VPORTS_SUPP_CB  255
+#define BFA_LPS_MAX_VPORTS_SUPP_CT  190
+
+
+/*
+ * FC PORT related definitions
+ */
+/*
+ * The port is considered disabled if corresponding physical port or IOC are
+ * disabled explicitly
+ */
+#define BFA_PORT_IS_DISABLED(bfa) \
+	((bfa_fcport_is_disabled(bfa) == BFA_TRUE) || \
+	(bfa_ioc_is_disabled(&bfa->ioc) == BFA_TRUE))
+
+/*
+ * BFA port state machine events
+ */
+enum bfa_fcport_sm_event {
+	BFA_FCPORT_SM_START	= 1,	/*  start port state machine	*/
+	BFA_FCPORT_SM_STOP	= 2,	/*  stop port state machine	*/
+	BFA_FCPORT_SM_ENABLE	= 3,	/*  enable port		*/
+	BFA_FCPORT_SM_DISABLE	= 4,	/*  disable port state machine */
+	BFA_FCPORT_SM_FWRSP	= 5,	/*  firmware enable/disable rsp */
+	BFA_FCPORT_SM_LINKUP	= 6,	/*  firmware linkup event	*/
+	BFA_FCPORT_SM_LINKDOWN	= 7,	/*  firmware linkup down	*/
+	BFA_FCPORT_SM_QRESUME	= 8,	/*  CQ space available	*/
+	BFA_FCPORT_SM_HWFAIL	= 9,	/*  IOC h/w failure		*/
+	BFA_FCPORT_SM_DPORTENABLE = 10, /*  enable dport      */
+	BFA_FCPORT_SM_DPORTDISABLE = 11,/*  disable dport     */
+	BFA_FCPORT_SM_FAA_MISCONFIG = 12,	/* FAA misconfiguratin */
+	BFA_FCPORT_SM_DDPORTENABLE  = 13,	/* enable ddport	*/
+	BFA_FCPORT_SM_DDPORTDISABLE = 14,	/* disable ddport	*/
+};
+
+/*
+ * BFA port link notification state machine events
+ */
+
+enum bfa_fcport_ln_sm_event {
+	BFA_FCPORT_LN_SM_LINKUP		= 1,	/*  linkup event	*/
+	BFA_FCPORT_LN_SM_LINKDOWN	= 2,	/*  linkdown event	*/
+	BFA_FCPORT_LN_SM_NOTIFICATION	= 3	/*  done notification	*/
+};
+
+/*
+ * RPORT related definitions
+ */
+#define bfa_rport_offline_cb(__rp) do {					\
+	if ((__rp)->bfa->fcs)						\
+		bfa_cb_rport_offline((__rp)->rport_drv);      \
+	else {								\
+		bfa_cb_queue((__rp)->bfa, &(__rp)->hcb_qe,		\
+				__bfa_cb_rport_offline, (__rp));      \
+	}								\
+} while (0)
+
+#define bfa_rport_online_cb(__rp) do {					\
+	if ((__rp)->bfa->fcs)						\
+		bfa_cb_rport_online((__rp)->rport_drv);      \
+	else {								\
+		bfa_cb_queue((__rp)->bfa, &(__rp)->hcb_qe,		\
+				  __bfa_cb_rport_online, (__rp));      \
+		}							\
+} while (0)
+
+/*
+ * forward declarations FCXP related functions
+ */
+static void	__bfa_fcxp_send_cbfn(void *cbarg, bfa_boolean_t complete);
+static void	hal_fcxp_rx_plog(struct bfa_s *bfa, struct bfa_fcxp_s *fcxp,
+				struct bfi_fcxp_send_rsp_s *fcxp_rsp);
+static void	hal_fcxp_tx_plog(struct bfa_s *bfa, u32 reqlen,
+				struct bfa_fcxp_s *fcxp, struct fchs_s *fchs);
+static void	bfa_fcxp_qresume(void *cbarg);
+static void	bfa_fcxp_queue(struct bfa_fcxp_s *fcxp,
+				struct bfi_fcxp_send_req_s *send_req);
+
+/*
+ * forward declarations for LPS functions
+ */
+static void bfa_lps_login_rsp(struct bfa_s *bfa,
+				struct bfi_lps_login_rsp_s *rsp);
+static void bfa_lps_no_res(struct bfa_lps_s *first_lps, u8 count);
+static void bfa_lps_logout_rsp(struct bfa_s *bfa,
+				struct bfi_lps_logout_rsp_s *rsp);
+static void bfa_lps_reqq_resume(void *lps_arg);
+static void bfa_lps_free(struct bfa_lps_s *lps);
+static void bfa_lps_send_login(struct bfa_lps_s *lps);
+static void bfa_lps_send_logout(struct bfa_lps_s *lps);
+static void bfa_lps_send_set_n2n_pid(struct bfa_lps_s *lps);
+static void bfa_lps_login_comp(struct bfa_lps_s *lps);
+static void bfa_lps_logout_comp(struct bfa_lps_s *lps);
+static void bfa_lps_cvl_event(struct bfa_lps_s *lps);
+
+/*
+ * forward declaration for LPS state machine
+ */
+static void bfa_lps_sm_init(struct bfa_lps_s *lps, enum bfa_lps_event event);
+static void bfa_lps_sm_login(struct bfa_lps_s *lps, enum bfa_lps_event event);
+static void bfa_lps_sm_loginwait(struct bfa_lps_s *lps, enum bfa_lps_event
+					event);
+static void bfa_lps_sm_online(struct bfa_lps_s *lps, enum bfa_lps_event event);
+static void bfa_lps_sm_online_n2n_pid_wait(struct bfa_lps_s *lps,
+					enum bfa_lps_event event);
+static void bfa_lps_sm_logout(struct bfa_lps_s *lps, enum bfa_lps_event event);
+static void bfa_lps_sm_logowait(struct bfa_lps_s *lps, enum bfa_lps_event
+					event);
+
+/*
+ * forward declaration for FC Port functions
+ */
+static bfa_boolean_t bfa_fcport_send_enable(struct bfa_fcport_s *fcport);
+static bfa_boolean_t bfa_fcport_send_disable(struct bfa_fcport_s *fcport);
+static void bfa_fcport_update_linkinfo(struct bfa_fcport_s *fcport);
+static void bfa_fcport_reset_linkinfo(struct bfa_fcport_s *fcport);
+static void bfa_fcport_set_wwns(struct bfa_fcport_s *fcport);
+static void __bfa_cb_fcport_event(void *cbarg, bfa_boolean_t complete);
+static void bfa_fcport_scn(struct bfa_fcport_s *fcport,
+			enum bfa_port_linkstate event, bfa_boolean_t trunk);
+static void bfa_fcport_queue_cb(struct bfa_fcport_ln_s *ln,
+				enum bfa_port_linkstate event);
+static void __bfa_cb_fcport_stats_clr(void *cbarg, bfa_boolean_t complete);
+static void bfa_fcport_stats_get_timeout(void *cbarg);
+static void bfa_fcport_stats_clr_timeout(void *cbarg);
+static void bfa_trunk_iocdisable(struct bfa_s *bfa);
+
+/*
+ * forward declaration for FC PORT state machine
+ */
+static void     bfa_fcport_sm_uninit(struct bfa_fcport_s *fcport,
+					enum bfa_fcport_sm_event event);
+static void     bfa_fcport_sm_enabling_qwait(struct bfa_fcport_s *fcport,
+					enum bfa_fcport_sm_event event);
+static void     bfa_fcport_sm_enabling(struct bfa_fcport_s *fcport,
+					enum bfa_fcport_sm_event event);
+static void     bfa_fcport_sm_linkdown(struct bfa_fcport_s *fcport,
+					enum bfa_fcport_sm_event event);
+static void     bfa_fcport_sm_linkup(struct bfa_fcport_s *fcport,
+					enum bfa_fcport_sm_event event);
+static void     bfa_fcport_sm_disabling(struct bfa_fcport_s *fcport,
+					enum bfa_fcport_sm_event event);
+static void     bfa_fcport_sm_disabling_qwait(struct bfa_fcport_s *fcport,
+					enum bfa_fcport_sm_event event);
+static void     bfa_fcport_sm_toggling_qwait(struct bfa_fcport_s *fcport,
+					enum bfa_fcport_sm_event event);
+static void     bfa_fcport_sm_disabled(struct bfa_fcport_s *fcport,
+					enum bfa_fcport_sm_event event);
+static void     bfa_fcport_sm_stopped(struct bfa_fcport_s *fcport,
+					enum bfa_fcport_sm_event event);
+static void     bfa_fcport_sm_iocdown(struct bfa_fcport_s *fcport,
+					enum bfa_fcport_sm_event event);
+static void     bfa_fcport_sm_iocfail(struct bfa_fcport_s *fcport,
+					enum bfa_fcport_sm_event event);
+static void	bfa_fcport_sm_dport(struct bfa_fcport_s *fcport,
+					enum bfa_fcport_sm_event event);
+static void     bfa_fcport_sm_ddport(struct bfa_fcport_s *fcport,
+					enum bfa_fcport_sm_event event);
+static void	bfa_fcport_sm_faa_misconfig(struct bfa_fcport_s *fcport,
+					enum bfa_fcport_sm_event event);
+
+static void     bfa_fcport_ln_sm_dn(struct bfa_fcport_ln_s *ln,
+					enum bfa_fcport_ln_sm_event event);
+static void     bfa_fcport_ln_sm_dn_nf(struct bfa_fcport_ln_s *ln,
+					enum bfa_fcport_ln_sm_event event);
+static void     bfa_fcport_ln_sm_dn_up_nf(struct bfa_fcport_ln_s *ln,
+					enum bfa_fcport_ln_sm_event event);
+static void     bfa_fcport_ln_sm_up(struct bfa_fcport_ln_s *ln,
+					enum bfa_fcport_ln_sm_event event);
+static void     bfa_fcport_ln_sm_up_nf(struct bfa_fcport_ln_s *ln,
+					enum bfa_fcport_ln_sm_event event);
+static void     bfa_fcport_ln_sm_up_dn_nf(struct bfa_fcport_ln_s *ln,
+					enum bfa_fcport_ln_sm_event event);
+static void     bfa_fcport_ln_sm_up_dn_up_nf(struct bfa_fcport_ln_s *ln,
+					enum bfa_fcport_ln_sm_event event);
+
+static struct bfa_sm_table_s hal_port_sm_table[] = {
+	{BFA_SM(bfa_fcport_sm_uninit), BFA_PORT_ST_UNINIT},
+	{BFA_SM(bfa_fcport_sm_enabling_qwait), BFA_PORT_ST_ENABLING_QWAIT},
+	{BFA_SM(bfa_fcport_sm_enabling), BFA_PORT_ST_ENABLING},
+	{BFA_SM(bfa_fcport_sm_linkdown), BFA_PORT_ST_LINKDOWN},
+	{BFA_SM(bfa_fcport_sm_linkup), BFA_PORT_ST_LINKUP},
+	{BFA_SM(bfa_fcport_sm_disabling_qwait), BFA_PORT_ST_DISABLING_QWAIT},
+	{BFA_SM(bfa_fcport_sm_toggling_qwait), BFA_PORT_ST_TOGGLING_QWAIT},
+	{BFA_SM(bfa_fcport_sm_disabling), BFA_PORT_ST_DISABLING},
+	{BFA_SM(bfa_fcport_sm_disabled), BFA_PORT_ST_DISABLED},
+	{BFA_SM(bfa_fcport_sm_stopped), BFA_PORT_ST_STOPPED},
+	{BFA_SM(bfa_fcport_sm_iocdown), BFA_PORT_ST_IOCDOWN},
+	{BFA_SM(bfa_fcport_sm_iocfail), BFA_PORT_ST_IOCDOWN},
+	{BFA_SM(bfa_fcport_sm_dport), BFA_PORT_ST_DPORT},
+	{BFA_SM(bfa_fcport_sm_ddport), BFA_PORT_ST_DDPORT},
+	{BFA_SM(bfa_fcport_sm_faa_misconfig), BFA_PORT_ST_FAA_MISCONFIG},
+};
+
+
+/*
+ * forward declaration for RPORT related functions
+ */
+static struct bfa_rport_s *bfa_rport_alloc(struct bfa_rport_mod_s *rp_mod);
+static void		bfa_rport_free(struct bfa_rport_s *rport);
+static bfa_boolean_t	bfa_rport_send_fwcreate(struct bfa_rport_s *rp);
+static bfa_boolean_t	bfa_rport_send_fwdelete(struct bfa_rport_s *rp);
+static bfa_boolean_t	bfa_rport_send_fwspeed(struct bfa_rport_s *rp);
+static void		__bfa_cb_rport_online(void *cbarg,
+						bfa_boolean_t complete);
+static void		__bfa_cb_rport_offline(void *cbarg,
+						bfa_boolean_t complete);
+
+/*
+ * forward declaration for RPORT state machine
+ */
+static void     bfa_rport_sm_uninit(struct bfa_rport_s *rp,
+					enum bfa_rport_event event);
+static void     bfa_rport_sm_created(struct bfa_rport_s *rp,
+					enum bfa_rport_event event);
+static void     bfa_rport_sm_fwcreate(struct bfa_rport_s *rp,
+					enum bfa_rport_event event);
+static void     bfa_rport_sm_online(struct bfa_rport_s *rp,
+					enum bfa_rport_event event);
+static void     bfa_rport_sm_fwdelete(struct bfa_rport_s *rp,
+					enum bfa_rport_event event);
+static void     bfa_rport_sm_offline(struct bfa_rport_s *rp,
+					enum bfa_rport_event event);
+static void     bfa_rport_sm_deleting(struct bfa_rport_s *rp,
+					enum bfa_rport_event event);
+static void     bfa_rport_sm_offline_pending(struct bfa_rport_s *rp,
+					enum bfa_rport_event event);
+static void     bfa_rport_sm_delete_pending(struct bfa_rport_s *rp,
+					enum bfa_rport_event event);
+static void     bfa_rport_sm_iocdisable(struct bfa_rport_s *rp,
+					enum bfa_rport_event event);
+static void     bfa_rport_sm_fwcreate_qfull(struct bfa_rport_s *rp,
+					enum bfa_rport_event event);
+static void     bfa_rport_sm_fwdelete_qfull(struct bfa_rport_s *rp,
+					enum bfa_rport_event event);
+static void     bfa_rport_sm_deleting_qfull(struct bfa_rport_s *rp,
+					enum bfa_rport_event event);
+
+/*
+ * PLOG related definitions
+ */
+static int
+plkd_validate_logrec(struct bfa_plog_rec_s *pl_rec)
+{
+	if ((pl_rec->log_type != BFA_PL_LOG_TYPE_INT) &&
+		(pl_rec->log_type != BFA_PL_LOG_TYPE_STRING))
+		return 1;
+
+	if ((pl_rec->log_type != BFA_PL_LOG_TYPE_INT) &&
+		(pl_rec->log_num_ints > BFA_PL_INT_LOG_SZ))
+		return 1;
+
+	return 0;
+}
+
+static void
+bfa_plog_add(struct bfa_plog_s *plog, struct bfa_plog_rec_s *pl_rec)
+{
+	u16 tail;
+	struct bfa_plog_rec_s *pl_recp;
+
+	if (plog->plog_enabled == 0)
+		return;
+
+	if (plkd_validate_logrec(pl_rec)) {
+		WARN_ON(1);
+		return;
+	}
+
+	tail = plog->tail;
+
+	pl_recp = &(plog->plog_recs[tail]);
+
+	memcpy(pl_recp, pl_rec, sizeof(struct bfa_plog_rec_s));
+
+	pl_recp->tv = ktime_get_real_seconds();
+	BFA_PL_LOG_REC_INCR(plog->tail);
+
+	if (plog->head == plog->tail)
+		BFA_PL_LOG_REC_INCR(plog->head);
+}
+
+void
+bfa_plog_init(struct bfa_plog_s *plog)
+{
+	memset((char *)plog, 0, sizeof(struct bfa_plog_s));
+
+	memcpy(plog->plog_sig, BFA_PL_SIG_STR, BFA_PL_SIG_LEN);
+	plog->head = plog->tail = 0;
+	plog->plog_enabled = 1;
+}
+
+void
+bfa_plog_str(struct bfa_plog_s *plog, enum bfa_plog_mid mid,
+		enum bfa_plog_eid event,
+		u16 misc, char *log_str)
+{
+	struct bfa_plog_rec_s  lp;
+
+	if (plog->plog_enabled) {
+		memset(&lp, 0, sizeof(struct bfa_plog_rec_s));
+		lp.mid = mid;
+		lp.eid = event;
+		lp.log_type = BFA_PL_LOG_TYPE_STRING;
+		lp.misc = misc;
+		strlcpy(lp.log_entry.string_log, log_str,
+			BFA_PL_STRING_LOG_SZ);
+		lp.log_entry.string_log[BFA_PL_STRING_LOG_SZ - 1] = '\0';
+		bfa_plog_add(plog, &lp);
+	}
+}
+
+void
+bfa_plog_intarr(struct bfa_plog_s *plog, enum bfa_plog_mid mid,
+		enum bfa_plog_eid event,
+		u16 misc, u32 *intarr, u32 num_ints)
+{
+	struct bfa_plog_rec_s  lp;
+	u32 i;
+
+	if (num_ints > BFA_PL_INT_LOG_SZ)
+		num_ints = BFA_PL_INT_LOG_SZ;
+
+	if (plog->plog_enabled) {
+		memset(&lp, 0, sizeof(struct bfa_plog_rec_s));
+		lp.mid = mid;
+		lp.eid = event;
+		lp.log_type = BFA_PL_LOG_TYPE_INT;
+		lp.misc = misc;
+
+		for (i = 0; i < num_ints; i++)
+			lp.log_entry.int_log[i] = intarr[i];
+
+		lp.log_num_ints = (u8) num_ints;
+
+		bfa_plog_add(plog, &lp);
+	}
+}
+
+void
+bfa_plog_fchdr(struct bfa_plog_s *plog, enum bfa_plog_mid mid,
+			enum bfa_plog_eid event,
+			u16 misc, struct fchs_s *fchdr)
+{
+	struct bfa_plog_rec_s  lp;
+	u32	*tmp_int = (u32 *) fchdr;
+	u32	ints[BFA_PL_INT_LOG_SZ];
+
+	if (plog->plog_enabled) {
+		memset(&lp, 0, sizeof(struct bfa_plog_rec_s));
+
+		ints[0] = tmp_int[0];
+		ints[1] = tmp_int[1];
+		ints[2] = tmp_int[4];
+
+		bfa_plog_intarr(plog, mid, event, misc, ints, 3);
+	}
+}
+
+void
+bfa_plog_fchdr_and_pl(struct bfa_plog_s *plog, enum bfa_plog_mid mid,
+		      enum bfa_plog_eid event, u16 misc, struct fchs_s *fchdr,
+		      u32 pld_w0)
+{
+	struct bfa_plog_rec_s  lp;
+	u32	*tmp_int = (u32 *) fchdr;
+	u32	ints[BFA_PL_INT_LOG_SZ];
+
+	if (plog->plog_enabled) {
+		memset(&lp, 0, sizeof(struct bfa_plog_rec_s));
+
+		ints[0] = tmp_int[0];
+		ints[1] = tmp_int[1];
+		ints[2] = tmp_int[4];
+		ints[3] = pld_w0;
+
+		bfa_plog_intarr(plog, mid, event, misc, ints, 4);
+	}
+}
+
+
+/*
+ *  fcxp_pvt BFA FCXP private functions
+ */
+
+static void
+claim_fcxps_mem(struct bfa_fcxp_mod_s *mod)
+{
+	u16	i;
+	struct bfa_fcxp_s *fcxp;
+
+	fcxp = (struct bfa_fcxp_s *) bfa_mem_kva_curp(mod);
+	memset(fcxp, 0, sizeof(struct bfa_fcxp_s) * mod->num_fcxps);
+
+	INIT_LIST_HEAD(&mod->fcxp_req_free_q);
+	INIT_LIST_HEAD(&mod->fcxp_rsp_free_q);
+	INIT_LIST_HEAD(&mod->fcxp_active_q);
+	INIT_LIST_HEAD(&mod->fcxp_req_unused_q);
+	INIT_LIST_HEAD(&mod->fcxp_rsp_unused_q);
+
+	mod->fcxp_list = fcxp;
+
+	for (i = 0; i < mod->num_fcxps; i++) {
+		fcxp->fcxp_mod = mod;
+		fcxp->fcxp_tag = i;
+
+		if (i < (mod->num_fcxps / 2)) {
+			list_add_tail(&fcxp->qe, &mod->fcxp_req_free_q);
+			fcxp->req_rsp = BFA_TRUE;
+		} else {
+			list_add_tail(&fcxp->qe, &mod->fcxp_rsp_free_q);
+			fcxp->req_rsp = BFA_FALSE;
+		}
+
+		bfa_reqq_winit(&fcxp->reqq_wqe, bfa_fcxp_qresume, fcxp);
+		fcxp->reqq_waiting = BFA_FALSE;
+
+		fcxp = fcxp + 1;
+	}
+
+	bfa_mem_kva_curp(mod) = (void *)fcxp;
+}
+
+void
+bfa_fcxp_meminfo(struct bfa_iocfc_cfg_s *cfg, struct bfa_meminfo_s *minfo,
+		struct bfa_s *bfa)
+{
+	struct bfa_fcxp_mod_s *fcxp_mod = BFA_FCXP_MOD(bfa);
+	struct bfa_mem_kva_s *fcxp_kva = BFA_MEM_FCXP_KVA(bfa);
+	struct bfa_mem_dma_s *seg_ptr;
+	u16	nsegs, idx, per_seg_fcxp;
+	u16	num_fcxps = cfg->fwcfg.num_fcxp_reqs;
+	u32	per_fcxp_sz;
+
+	if (num_fcxps == 0)
+		return;
+
+	if (cfg->drvcfg.min_cfg)
+		per_fcxp_sz = 2 * BFA_FCXP_MAX_IBUF_SZ;
+	else
+		per_fcxp_sz = BFA_FCXP_MAX_IBUF_SZ + BFA_FCXP_MAX_LBUF_SZ;
+
+	/* dma memory */
+	nsegs = BFI_MEM_DMA_NSEGS(num_fcxps, per_fcxp_sz);
+	per_seg_fcxp = BFI_MEM_NREQS_SEG(per_fcxp_sz);
+
+	bfa_mem_dma_seg_iter(fcxp_mod, seg_ptr, nsegs, idx) {
+		if (num_fcxps >= per_seg_fcxp) {
+			num_fcxps -= per_seg_fcxp;
+			bfa_mem_dma_setup(minfo, seg_ptr,
+				per_seg_fcxp * per_fcxp_sz);
+		} else
+			bfa_mem_dma_setup(minfo, seg_ptr,
+				num_fcxps * per_fcxp_sz);
+	}
+
+	/* kva memory */
+	bfa_mem_kva_setup(minfo, fcxp_kva,
+		cfg->fwcfg.num_fcxp_reqs * sizeof(struct bfa_fcxp_s));
+}
+
+void
+bfa_fcxp_attach(struct bfa_s *bfa, void *bfad, struct bfa_iocfc_cfg_s *cfg,
+		struct bfa_pcidev_s *pcidev)
+{
+	struct bfa_fcxp_mod_s *mod = BFA_FCXP_MOD(bfa);
+
+	mod->bfa = bfa;
+	mod->num_fcxps = cfg->fwcfg.num_fcxp_reqs;
+
+	/*
+	 * Initialize FCXP request and response payload sizes.
+	 */
+	mod->req_pld_sz = mod->rsp_pld_sz = BFA_FCXP_MAX_IBUF_SZ;
+	if (!cfg->drvcfg.min_cfg)
+		mod->rsp_pld_sz = BFA_FCXP_MAX_LBUF_SZ;
+
+	INIT_LIST_HEAD(&mod->req_wait_q);
+	INIT_LIST_HEAD(&mod->rsp_wait_q);
+
+	claim_fcxps_mem(mod);
+}
+
+void
+bfa_fcxp_iocdisable(struct bfa_s *bfa)
+{
+	struct bfa_fcxp_mod_s *mod = BFA_FCXP_MOD(bfa);
+	struct bfa_fcxp_s *fcxp;
+	struct list_head	      *qe, *qen;
+
+	/* Enqueue unused fcxp resources to free_q */
+	list_splice_tail_init(&mod->fcxp_req_unused_q, &mod->fcxp_req_free_q);
+	list_splice_tail_init(&mod->fcxp_rsp_unused_q, &mod->fcxp_rsp_free_q);
+
+	list_for_each_safe(qe, qen, &mod->fcxp_active_q) {
+		fcxp = (struct bfa_fcxp_s *) qe;
+		if (fcxp->caller == NULL) {
+			fcxp->send_cbfn(fcxp->caller, fcxp, fcxp->send_cbarg,
+					BFA_STATUS_IOC_FAILURE, 0, 0, NULL);
+			bfa_fcxp_free(fcxp);
+		} else {
+			fcxp->rsp_status = BFA_STATUS_IOC_FAILURE;
+			bfa_cb_queue(bfa, &fcxp->hcb_qe,
+				     __bfa_fcxp_send_cbfn, fcxp);
+		}
+	}
+}
+
+static struct bfa_fcxp_s *
+bfa_fcxp_get(struct bfa_fcxp_mod_s *fm, bfa_boolean_t req)
+{
+	struct bfa_fcxp_s *fcxp;
+
+	if (req)
+		bfa_q_deq(&fm->fcxp_req_free_q, &fcxp);
+	else
+		bfa_q_deq(&fm->fcxp_rsp_free_q, &fcxp);
+
+	if (fcxp)
+		list_add_tail(&fcxp->qe, &fm->fcxp_active_q);
+
+	return fcxp;
+}
+
+static void
+bfa_fcxp_init_reqrsp(struct bfa_fcxp_s *fcxp,
+	       struct bfa_s *bfa,
+	       u8 *use_ibuf,
+	       u32 *nr_sgles,
+	       bfa_fcxp_get_sgaddr_t *r_sga_cbfn,
+	       bfa_fcxp_get_sglen_t *r_sglen_cbfn,
+	       struct list_head *r_sgpg_q,
+	       int n_sgles,
+	       bfa_fcxp_get_sgaddr_t sga_cbfn,
+	       bfa_fcxp_get_sglen_t sglen_cbfn)
+{
+
+	WARN_ON(bfa == NULL);
+
+	bfa_trc(bfa, fcxp->fcxp_tag);
+
+	if (n_sgles == 0) {
+		*use_ibuf = 1;
+	} else {
+		WARN_ON(*sga_cbfn == NULL);
+		WARN_ON(*sglen_cbfn == NULL);
+
+		*use_ibuf = 0;
+		*r_sga_cbfn = sga_cbfn;
+		*r_sglen_cbfn = sglen_cbfn;
+
+		*nr_sgles = n_sgles;
+
+		/*
+		 * alloc required sgpgs
+		 */
+		if (n_sgles > BFI_SGE_INLINE)
+			WARN_ON(1);
+	}
+
+}
+
+static void
+bfa_fcxp_init(struct bfa_fcxp_s *fcxp,
+	       void *caller, struct bfa_s *bfa, int nreq_sgles,
+	       int nrsp_sgles, bfa_fcxp_get_sgaddr_t req_sga_cbfn,
+	       bfa_fcxp_get_sglen_t req_sglen_cbfn,
+	       bfa_fcxp_get_sgaddr_t rsp_sga_cbfn,
+	       bfa_fcxp_get_sglen_t rsp_sglen_cbfn)
+{
+
+	WARN_ON(bfa == NULL);
+
+	bfa_trc(bfa, fcxp->fcxp_tag);
+
+	fcxp->caller = caller;
+
+	bfa_fcxp_init_reqrsp(fcxp, bfa,
+		&fcxp->use_ireqbuf, &fcxp->nreq_sgles, &fcxp->req_sga_cbfn,
+		&fcxp->req_sglen_cbfn, &fcxp->req_sgpg_q,
+		nreq_sgles, req_sga_cbfn, req_sglen_cbfn);
+
+	bfa_fcxp_init_reqrsp(fcxp, bfa,
+		&fcxp->use_irspbuf, &fcxp->nrsp_sgles, &fcxp->rsp_sga_cbfn,
+		&fcxp->rsp_sglen_cbfn, &fcxp->rsp_sgpg_q,
+		nrsp_sgles, rsp_sga_cbfn, rsp_sglen_cbfn);
+
+}
+
+static void
+bfa_fcxp_put(struct bfa_fcxp_s *fcxp)
+{
+	struct bfa_fcxp_mod_s *mod = fcxp->fcxp_mod;
+	struct bfa_fcxp_wqe_s *wqe;
+
+	if (fcxp->req_rsp)
+		bfa_q_deq(&mod->req_wait_q, &wqe);
+	else
+		bfa_q_deq(&mod->rsp_wait_q, &wqe);
+
+	if (wqe) {
+		bfa_trc(mod->bfa, fcxp->fcxp_tag);
+
+		bfa_fcxp_init(fcxp, wqe->caller, wqe->bfa, wqe->nreq_sgles,
+			wqe->nrsp_sgles, wqe->req_sga_cbfn,
+			wqe->req_sglen_cbfn, wqe->rsp_sga_cbfn,
+			wqe->rsp_sglen_cbfn);
+
+		wqe->alloc_cbfn(wqe->alloc_cbarg, fcxp);
+		return;
+	}
+
+	WARN_ON(!bfa_q_is_on_q(&mod->fcxp_active_q, fcxp));
+	list_del(&fcxp->qe);
+
+	if (fcxp->req_rsp)
+		list_add_tail(&fcxp->qe, &mod->fcxp_req_free_q);
+	else
+		list_add_tail(&fcxp->qe, &mod->fcxp_rsp_free_q);
+}
+
+static void
+bfa_fcxp_null_comp(void *bfad_fcxp, struct bfa_fcxp_s *fcxp, void *cbarg,
+		   bfa_status_t req_status, u32 rsp_len,
+		   u32 resid_len, struct fchs_s *rsp_fchs)
+{
+	/* discarded fcxp completion */
+}
+
+static void
+__bfa_fcxp_send_cbfn(void *cbarg, bfa_boolean_t complete)
+{
+	struct bfa_fcxp_s *fcxp = cbarg;
+
+	if (complete) {
+		fcxp->send_cbfn(fcxp->caller, fcxp, fcxp->send_cbarg,
+				fcxp->rsp_status, fcxp->rsp_len,
+				fcxp->residue_len, &fcxp->rsp_fchs);
+	} else {
+		bfa_fcxp_free(fcxp);
+	}
+}
+
+static void
+hal_fcxp_send_comp(struct bfa_s *bfa, struct bfi_fcxp_send_rsp_s *fcxp_rsp)
+{
+	struct bfa_fcxp_mod_s	*mod = BFA_FCXP_MOD(bfa);
+	struct bfa_fcxp_s	*fcxp;
+	u16		fcxp_tag = be16_to_cpu(fcxp_rsp->fcxp_tag);
+
+	bfa_trc(bfa, fcxp_tag);
+
+	fcxp_rsp->rsp_len = be32_to_cpu(fcxp_rsp->rsp_len);
+
+	/*
+	 * @todo f/w should not set residue to non-0 when everything
+	 *	 is received.
+	 */
+	if (fcxp_rsp->req_status == BFA_STATUS_OK)
+		fcxp_rsp->residue_len = 0;
+	else
+		fcxp_rsp->residue_len = be32_to_cpu(fcxp_rsp->residue_len);
+
+	fcxp = BFA_FCXP_FROM_TAG(mod, fcxp_tag);
+
+	WARN_ON(fcxp->send_cbfn == NULL);
+
+	hal_fcxp_rx_plog(mod->bfa, fcxp, fcxp_rsp);
+
+	if (fcxp->send_cbfn != NULL) {
+		bfa_trc(mod->bfa, (NULL == fcxp->caller));
+		if (fcxp->caller == NULL) {
+			fcxp->send_cbfn(fcxp->caller, fcxp, fcxp->send_cbarg,
+					fcxp_rsp->req_status, fcxp_rsp->rsp_len,
+					fcxp_rsp->residue_len, &fcxp_rsp->fchs);
+			/*
+			 * fcxp automatically freed on return from the callback
+			 */
+			bfa_fcxp_free(fcxp);
+		} else {
+			fcxp->rsp_status = fcxp_rsp->req_status;
+			fcxp->rsp_len = fcxp_rsp->rsp_len;
+			fcxp->residue_len = fcxp_rsp->residue_len;
+			fcxp->rsp_fchs = fcxp_rsp->fchs;
+
+			bfa_cb_queue(bfa, &fcxp->hcb_qe,
+					__bfa_fcxp_send_cbfn, fcxp);
+		}
+	} else {
+		bfa_trc(bfa, (NULL == fcxp->send_cbfn));
+	}
+}
+
+static void
+hal_fcxp_tx_plog(struct bfa_s *bfa, u32 reqlen, struct bfa_fcxp_s *fcxp,
+		 struct fchs_s *fchs)
+{
+	/*
+	 * TODO: TX ox_id
+	 */
+	if (reqlen > 0) {
+		if (fcxp->use_ireqbuf) {
+			u32	pld_w0 =
+				*((u32 *) BFA_FCXP_REQ_PLD(fcxp));
+
+			bfa_plog_fchdr_and_pl(bfa->plog, BFA_PL_MID_HAL_FCXP,
+					BFA_PL_EID_TX,
+					reqlen + sizeof(struct fchs_s), fchs,
+					pld_w0);
+		} else {
+			bfa_plog_fchdr(bfa->plog, BFA_PL_MID_HAL_FCXP,
+					BFA_PL_EID_TX,
+					reqlen + sizeof(struct fchs_s),
+					fchs);
+		}
+	} else {
+		bfa_plog_fchdr(bfa->plog, BFA_PL_MID_HAL_FCXP, BFA_PL_EID_TX,
+			       reqlen + sizeof(struct fchs_s), fchs);
+	}
+}
+
+static void
+hal_fcxp_rx_plog(struct bfa_s *bfa, struct bfa_fcxp_s *fcxp,
+		 struct bfi_fcxp_send_rsp_s *fcxp_rsp)
+{
+	if (fcxp_rsp->rsp_len > 0) {
+		if (fcxp->use_irspbuf) {
+			u32	pld_w0 =
+				*((u32 *) BFA_FCXP_RSP_PLD(fcxp));
+
+			bfa_plog_fchdr_and_pl(bfa->plog, BFA_PL_MID_HAL_FCXP,
+					      BFA_PL_EID_RX,
+					      (u16) fcxp_rsp->rsp_len,
+					      &fcxp_rsp->fchs, pld_w0);
+		} else {
+			bfa_plog_fchdr(bfa->plog, BFA_PL_MID_HAL_FCXP,
+				       BFA_PL_EID_RX,
+				       (u16) fcxp_rsp->rsp_len,
+				       &fcxp_rsp->fchs);
+		}
+	} else {
+		bfa_plog_fchdr(bfa->plog, BFA_PL_MID_HAL_FCXP, BFA_PL_EID_RX,
+			       (u16) fcxp_rsp->rsp_len, &fcxp_rsp->fchs);
+	}
+}
+
+/*
+ * Handler to resume sending fcxp when space in available in cpe queue.
+ */
+static void
+bfa_fcxp_qresume(void *cbarg)
+{
+	struct bfa_fcxp_s		*fcxp = cbarg;
+	struct bfa_s			*bfa = fcxp->fcxp_mod->bfa;
+	struct bfi_fcxp_send_req_s	*send_req;
+
+	fcxp->reqq_waiting = BFA_FALSE;
+	send_req = bfa_reqq_next(bfa, BFA_REQQ_FCXP);
+	bfa_fcxp_queue(fcxp, send_req);
+}
+
+/*
+ * Queue fcxp send request to foimrware.
+ */
+static void
+bfa_fcxp_queue(struct bfa_fcxp_s *fcxp, struct bfi_fcxp_send_req_s *send_req)
+{
+	struct bfa_s			*bfa = fcxp->fcxp_mod->bfa;
+	struct bfa_fcxp_req_info_s	*reqi = &fcxp->req_info;
+	struct bfa_fcxp_rsp_info_s	*rspi = &fcxp->rsp_info;
+	struct bfa_rport_s		*rport = reqi->bfa_rport;
+
+	bfi_h2i_set(send_req->mh, BFI_MC_FCXP, BFI_FCXP_H2I_SEND_REQ,
+		    bfa_fn_lpu(bfa));
+
+	send_req->fcxp_tag = cpu_to_be16(fcxp->fcxp_tag);
+	if (rport) {
+		send_req->rport_fw_hndl = rport->fw_handle;
+		send_req->max_frmsz = cpu_to_be16(rport->rport_info.max_frmsz);
+		if (send_req->max_frmsz == 0)
+			send_req->max_frmsz = cpu_to_be16(FC_MAX_PDUSZ);
+	} else {
+		send_req->rport_fw_hndl = 0;
+		send_req->max_frmsz = cpu_to_be16(FC_MAX_PDUSZ);
+	}
+
+	send_req->vf_id = cpu_to_be16(reqi->vf_id);
+	send_req->lp_fwtag = bfa_lps_get_fwtag(bfa, reqi->lp_tag);
+	send_req->class = reqi->class;
+	send_req->rsp_timeout = rspi->rsp_timeout;
+	send_req->cts = reqi->cts;
+	send_req->fchs = reqi->fchs;
+
+	send_req->req_len = cpu_to_be32(reqi->req_tot_len);
+	send_req->rsp_maxlen = cpu_to_be32(rspi->rsp_maxlen);
+
+	/*
+	 * setup req sgles
+	 */
+	if (fcxp->use_ireqbuf == 1) {
+		bfa_alen_set(&send_req->req_alen, reqi->req_tot_len,
+					BFA_FCXP_REQ_PLD_PA(fcxp));
+	} else {
+		if (fcxp->nreq_sgles > 0) {
+			WARN_ON(fcxp->nreq_sgles != 1);
+			bfa_alen_set(&send_req->req_alen, reqi->req_tot_len,
+				fcxp->req_sga_cbfn(fcxp->caller, 0));
+		} else {
+			WARN_ON(reqi->req_tot_len != 0);
+			bfa_alen_set(&send_req->rsp_alen, 0, 0);
+		}
+	}
+
+	/*
+	 * setup rsp sgles
+	 */
+	if (fcxp->use_irspbuf == 1) {
+		WARN_ON(rspi->rsp_maxlen > BFA_FCXP_MAX_LBUF_SZ);
+
+		bfa_alen_set(&send_req->rsp_alen, rspi->rsp_maxlen,
+					BFA_FCXP_RSP_PLD_PA(fcxp));
+	} else {
+		if (fcxp->nrsp_sgles > 0) {
+			WARN_ON(fcxp->nrsp_sgles != 1);
+			bfa_alen_set(&send_req->rsp_alen, rspi->rsp_maxlen,
+				fcxp->rsp_sga_cbfn(fcxp->caller, 0));
+
+		} else {
+			WARN_ON(rspi->rsp_maxlen != 0);
+			bfa_alen_set(&send_req->rsp_alen, 0, 0);
+		}
+	}
+
+	hal_fcxp_tx_plog(bfa, reqi->req_tot_len, fcxp, &reqi->fchs);
+
+	bfa_reqq_produce(bfa, BFA_REQQ_FCXP, send_req->mh);
+
+	bfa_trc(bfa, bfa_reqq_pi(bfa, BFA_REQQ_FCXP));
+	bfa_trc(bfa, bfa_reqq_ci(bfa, BFA_REQQ_FCXP));
+}
+
+/*
+ * Allocate an FCXP instance to send a response or to send a request
+ * that has a response. Request/response buffers are allocated by caller.
+ *
+ * @param[in]	bfa		BFA bfa instance
+ * @param[in]	nreq_sgles	Number of SG elements required for request
+ *				buffer. 0, if fcxp internal buffers are	used.
+ *				Use bfa_fcxp_get_reqbuf() to get the
+ *				internal req buffer.
+ * @param[in]	req_sgles	SG elements describing request buffer. Will be
+ *				copied in by BFA and hence can be freed on
+ *				return from this function.
+ * @param[in]	get_req_sga	function ptr to be called to get a request SG
+ *				Address (given the sge index).
+ * @param[in]	get_req_sglen	function ptr to be called to get a request SG
+ *				len (given the sge index).
+ * @param[in]	get_rsp_sga	function ptr to be called to get a response SG
+ *				Address (given the sge index).
+ * @param[in]	get_rsp_sglen	function ptr to be called to get a response SG
+ *				len (given the sge index).
+ * @param[in]	req		Allocated FCXP is used to send req or rsp?
+ *				request - BFA_TRUE, response - BFA_FALSE
+ *
+ * @return FCXP instance. NULL on failure.
+ */
+struct bfa_fcxp_s *
+bfa_fcxp_req_rsp_alloc(void *caller, struct bfa_s *bfa, int nreq_sgles,
+		int nrsp_sgles, bfa_fcxp_get_sgaddr_t req_sga_cbfn,
+		bfa_fcxp_get_sglen_t req_sglen_cbfn,
+		bfa_fcxp_get_sgaddr_t rsp_sga_cbfn,
+		bfa_fcxp_get_sglen_t rsp_sglen_cbfn, bfa_boolean_t req)
+{
+	struct bfa_fcxp_s *fcxp = NULL;
+
+	WARN_ON(bfa == NULL);
+
+	fcxp = bfa_fcxp_get(BFA_FCXP_MOD(bfa), req);
+	if (fcxp == NULL)
+		return NULL;
+
+	bfa_trc(bfa, fcxp->fcxp_tag);
+
+	bfa_fcxp_init(fcxp, caller, bfa, nreq_sgles, nrsp_sgles, req_sga_cbfn,
+			req_sglen_cbfn, rsp_sga_cbfn, rsp_sglen_cbfn);
+
+	return fcxp;
+}
+
+/*
+ * Get the internal request buffer pointer
+ *
+ * @param[in]	fcxp	BFA fcxp pointer
+ *
+ * @return		pointer to the internal request buffer
+ */
+void *
+bfa_fcxp_get_reqbuf(struct bfa_fcxp_s *fcxp)
+{
+	struct bfa_fcxp_mod_s *mod = fcxp->fcxp_mod;
+	void	*reqbuf;
+
+	WARN_ON(fcxp->use_ireqbuf != 1);
+	reqbuf = bfa_mem_get_dmabuf_kva(mod, fcxp->fcxp_tag,
+				mod->req_pld_sz + mod->rsp_pld_sz);
+	return reqbuf;
+}
+
+u32
+bfa_fcxp_get_reqbufsz(struct bfa_fcxp_s *fcxp)
+{
+	struct bfa_fcxp_mod_s *mod = fcxp->fcxp_mod;
+
+	return mod->req_pld_sz;
+}
+
+/*
+ * Get the internal response buffer pointer
+ *
+ * @param[in]	fcxp	BFA fcxp pointer
+ *
+ * @return		pointer to the internal request buffer
+ */
+void *
+bfa_fcxp_get_rspbuf(struct bfa_fcxp_s *fcxp)
+{
+	struct bfa_fcxp_mod_s *mod = fcxp->fcxp_mod;
+	void	*fcxp_buf;
+
+	WARN_ON(fcxp->use_irspbuf != 1);
+
+	fcxp_buf = bfa_mem_get_dmabuf_kva(mod, fcxp->fcxp_tag,
+				mod->req_pld_sz + mod->rsp_pld_sz);
+
+	/* fcxp_buf = req_buf + rsp_buf :- add req_buf_sz to get to rsp_buf */
+	return ((u8 *) fcxp_buf) + mod->req_pld_sz;
+}
+
+/*
+ * Free the BFA FCXP
+ *
+ * @param[in]	fcxp			BFA fcxp pointer
+ *
+ * @return		void
+ */
+void
+bfa_fcxp_free(struct bfa_fcxp_s *fcxp)
+{
+	struct bfa_fcxp_mod_s *mod = fcxp->fcxp_mod;
+
+	WARN_ON(fcxp == NULL);
+	bfa_trc(mod->bfa, fcxp->fcxp_tag);
+	bfa_fcxp_put(fcxp);
+}
+
+/*
+ * Send a FCXP request
+ *
+ * @param[in]	fcxp	BFA fcxp pointer
+ * @param[in]	rport	BFA rport pointer. Could be left NULL for WKA rports
+ * @param[in]	vf_id	virtual Fabric ID
+ * @param[in]	lp_tag	lport tag
+ * @param[in]	cts	use Continuous sequence
+ * @param[in]	cos	fc Class of Service
+ * @param[in]	reqlen	request length, does not include FCHS length
+ * @param[in]	fchs	fc Header Pointer. The header content will be copied
+ *			in by BFA.
+ *
+ * @param[in]	cbfn	call back function to be called on receiving
+ *								the response
+ * @param[in]	cbarg	arg for cbfn
+ * @param[in]	rsp_timeout
+ *			response timeout
+ *
+ * @return		bfa_status_t
+ */
+void
+bfa_fcxp_send(struct bfa_fcxp_s *fcxp, struct bfa_rport_s *rport,
+	      u16 vf_id, u8 lp_tag, bfa_boolean_t cts, enum fc_cos cos,
+	      u32 reqlen, struct fchs_s *fchs, bfa_cb_fcxp_send_t cbfn,
+	      void *cbarg, u32 rsp_maxlen, u8 rsp_timeout)
+{
+	struct bfa_s			*bfa  = fcxp->fcxp_mod->bfa;
+	struct bfa_fcxp_req_info_s	*reqi = &fcxp->req_info;
+	struct bfa_fcxp_rsp_info_s	*rspi = &fcxp->rsp_info;
+	struct bfi_fcxp_send_req_s	*send_req;
+
+	bfa_trc(bfa, fcxp->fcxp_tag);
+
+	/*
+	 * setup request/response info
+	 */
+	reqi->bfa_rport = rport;
+	reqi->vf_id = vf_id;
+	reqi->lp_tag = lp_tag;
+	reqi->class = cos;
+	rspi->rsp_timeout = rsp_timeout;
+	reqi->cts = cts;
+	reqi->fchs = *fchs;
+	reqi->req_tot_len = reqlen;
+	rspi->rsp_maxlen = rsp_maxlen;
+	fcxp->send_cbfn = cbfn ? cbfn : bfa_fcxp_null_comp;
+	fcxp->send_cbarg = cbarg;
+
+	/*
+	 * If no room in CPE queue, wait for space in request queue
+	 */
+	send_req = bfa_reqq_next(bfa, BFA_REQQ_FCXP);
+	if (!send_req) {
+		bfa_trc(bfa, fcxp->fcxp_tag);
+		fcxp->reqq_waiting = BFA_TRUE;
+		bfa_reqq_wait(bfa, BFA_REQQ_FCXP, &fcxp->reqq_wqe);
+		return;
+	}
+
+	bfa_fcxp_queue(fcxp, send_req);
+}
+
+/*
+ * Abort a BFA FCXP
+ *
+ * @param[in]	fcxp	BFA fcxp pointer
+ *
+ * @return		void
+ */
+bfa_status_t
+bfa_fcxp_abort(struct bfa_fcxp_s *fcxp)
+{
+	bfa_trc(fcxp->fcxp_mod->bfa, fcxp->fcxp_tag);
+	WARN_ON(1);
+	return BFA_STATUS_OK;
+}
+
+void
+bfa_fcxp_req_rsp_alloc_wait(struct bfa_s *bfa, struct bfa_fcxp_wqe_s *wqe,
+	       bfa_fcxp_alloc_cbfn_t alloc_cbfn, void *alloc_cbarg,
+	       void *caller, int nreq_sgles,
+	       int nrsp_sgles, bfa_fcxp_get_sgaddr_t req_sga_cbfn,
+	       bfa_fcxp_get_sglen_t req_sglen_cbfn,
+	       bfa_fcxp_get_sgaddr_t rsp_sga_cbfn,
+	       bfa_fcxp_get_sglen_t rsp_sglen_cbfn, bfa_boolean_t req)
+{
+	struct bfa_fcxp_mod_s *mod = BFA_FCXP_MOD(bfa);
+
+	if (req)
+		WARN_ON(!list_empty(&mod->fcxp_req_free_q));
+	else
+		WARN_ON(!list_empty(&mod->fcxp_rsp_free_q));
+
+	wqe->alloc_cbfn = alloc_cbfn;
+	wqe->alloc_cbarg = alloc_cbarg;
+	wqe->caller = caller;
+	wqe->bfa = bfa;
+	wqe->nreq_sgles = nreq_sgles;
+	wqe->nrsp_sgles = nrsp_sgles;
+	wqe->req_sga_cbfn = req_sga_cbfn;
+	wqe->req_sglen_cbfn = req_sglen_cbfn;
+	wqe->rsp_sga_cbfn = rsp_sga_cbfn;
+	wqe->rsp_sglen_cbfn = rsp_sglen_cbfn;
+
+	if (req)
+		list_add_tail(&wqe->qe, &mod->req_wait_q);
+	else
+		list_add_tail(&wqe->qe, &mod->rsp_wait_q);
+}
+
+void
+bfa_fcxp_walloc_cancel(struct bfa_s *bfa, struct bfa_fcxp_wqe_s *wqe)
+{
+	struct bfa_fcxp_mod_s *mod = BFA_FCXP_MOD(bfa);
+
+	WARN_ON(!bfa_q_is_on_q(&mod->req_wait_q, wqe) ||
+		!bfa_q_is_on_q(&mod->rsp_wait_q, wqe));
+	list_del(&wqe->qe);
+}
+
+void
+bfa_fcxp_discard(struct bfa_fcxp_s *fcxp)
+{
+	/*
+	 * If waiting for room in request queue, cancel reqq wait
+	 * and free fcxp.
+	 */
+	if (fcxp->reqq_waiting) {
+		fcxp->reqq_waiting = BFA_FALSE;
+		bfa_reqq_wcancel(&fcxp->reqq_wqe);
+		bfa_fcxp_free(fcxp);
+		return;
+	}
+
+	fcxp->send_cbfn = bfa_fcxp_null_comp;
+}
+
+void
+bfa_fcxp_isr(struct bfa_s *bfa, struct bfi_msg_s *msg)
+{
+	switch (msg->mhdr.msg_id) {
+	case BFI_FCXP_I2H_SEND_RSP:
+		hal_fcxp_send_comp(bfa, (struct bfi_fcxp_send_rsp_s *) msg);
+		break;
+
+	default:
+		bfa_trc(bfa, msg->mhdr.msg_id);
+		WARN_ON(1);
+	}
+}
+
+u32
+bfa_fcxp_get_maxrsp(struct bfa_s *bfa)
+{
+	struct bfa_fcxp_mod_s *mod = BFA_FCXP_MOD(bfa);
+
+	return mod->rsp_pld_sz;
+}
+
+void
+bfa_fcxp_res_recfg(struct bfa_s *bfa, u16 num_fcxp_fw)
+{
+	struct bfa_fcxp_mod_s	*mod = BFA_FCXP_MOD(bfa);
+	struct list_head	*qe;
+	int	i;
+
+	for (i = 0; i < (mod->num_fcxps - num_fcxp_fw); i++) {
+		if (i < ((mod->num_fcxps - num_fcxp_fw) / 2)) {
+			bfa_q_deq_tail(&mod->fcxp_req_free_q, &qe);
+			list_add_tail(qe, &mod->fcxp_req_unused_q);
+		} else {
+			bfa_q_deq_tail(&mod->fcxp_rsp_free_q, &qe);
+			list_add_tail(qe, &mod->fcxp_rsp_unused_q);
+		}
+	}
+}
+
+/*
+ *  BFA LPS state machine functions
+ */
+
+/*
+ * Init state -- no login
+ */
+static void
+bfa_lps_sm_init(struct bfa_lps_s *lps, enum bfa_lps_event event)
+{
+	bfa_trc(lps->bfa, lps->bfa_tag);
+	bfa_trc(lps->bfa, event);
+
+	switch (event) {
+	case BFA_LPS_SM_LOGIN:
+		if (bfa_reqq_full(lps->bfa, lps->reqq)) {
+			bfa_sm_set_state(lps, bfa_lps_sm_loginwait);
+			bfa_reqq_wait(lps->bfa, lps->reqq, &lps->wqe);
+		} else {
+			bfa_sm_set_state(lps, bfa_lps_sm_login);
+			bfa_lps_send_login(lps);
+		}
+
+		if (lps->fdisc)
+			bfa_plog_str(lps->bfa->plog, BFA_PL_MID_LPS,
+				BFA_PL_EID_LOGIN, 0, "FDISC Request");
+		else
+			bfa_plog_str(lps->bfa->plog, BFA_PL_MID_LPS,
+				BFA_PL_EID_LOGIN, 0, "FLOGI Request");
+		break;
+
+	case BFA_LPS_SM_LOGOUT:
+		bfa_lps_logout_comp(lps);
+		break;
+
+	case BFA_LPS_SM_DELETE:
+		bfa_lps_free(lps);
+		break;
+
+	case BFA_LPS_SM_RX_CVL:
+	case BFA_LPS_SM_OFFLINE:
+		break;
+
+	case BFA_LPS_SM_FWRSP:
+		/*
+		 * Could happen when fabric detects loopback and discards
+		 * the lps request. Fw will eventually sent out the timeout
+		 * Just ignore
+		 */
+		break;
+	case BFA_LPS_SM_SET_N2N_PID:
+		/*
+		 * When topology is set to loop, bfa_lps_set_n2n_pid() sends
+		 * this event. Ignore this event.
+		 */
+		break;
+
+	default:
+		bfa_sm_fault(lps->bfa, event);
+	}
+}
+
+/*
+ * login is in progress -- awaiting response from firmware
+ */
+static void
+bfa_lps_sm_login(struct bfa_lps_s *lps, enum bfa_lps_event event)
+{
+	bfa_trc(lps->bfa, lps->bfa_tag);
+	bfa_trc(lps->bfa, event);
+
+	switch (event) {
+	case BFA_LPS_SM_FWRSP:
+		if (lps->status == BFA_STATUS_OK) {
+			bfa_sm_set_state(lps, bfa_lps_sm_online);
+			if (lps->fdisc)
+				bfa_plog_str(lps->bfa->plog, BFA_PL_MID_LPS,
+					BFA_PL_EID_LOGIN, 0, "FDISC Accept");
+			else
+				bfa_plog_str(lps->bfa->plog, BFA_PL_MID_LPS,
+					BFA_PL_EID_LOGIN, 0, "FLOGI Accept");
+			/* If N2N, send the assigned PID to FW */
+			bfa_trc(lps->bfa, lps->fport);
+			bfa_trc(lps->bfa, lps->lp_pid);
+
+			if (!lps->fport && lps->lp_pid)
+				bfa_sm_send_event(lps, BFA_LPS_SM_SET_N2N_PID);
+		} else {
+			bfa_sm_set_state(lps, bfa_lps_sm_init);
+			if (lps->fdisc)
+				bfa_plog_str(lps->bfa->plog, BFA_PL_MID_LPS,
+					BFA_PL_EID_LOGIN, 0,
+					"FDISC Fail (RJT or timeout)");
+			else
+				bfa_plog_str(lps->bfa->plog, BFA_PL_MID_LPS,
+					BFA_PL_EID_LOGIN, 0,
+					"FLOGI Fail (RJT or timeout)");
+		}
+		bfa_lps_login_comp(lps);
+		break;
+
+	case BFA_LPS_SM_OFFLINE:
+	case BFA_LPS_SM_DELETE:
+		bfa_sm_set_state(lps, bfa_lps_sm_init);
+		break;
+
+	case BFA_LPS_SM_SET_N2N_PID:
+		bfa_trc(lps->bfa, lps->fport);
+		bfa_trc(lps->bfa, lps->lp_pid);
+		break;
+
+	default:
+		bfa_sm_fault(lps->bfa, event);
+	}
+}
+
+/*
+ * login pending - awaiting space in request queue
+ */
+static void
+bfa_lps_sm_loginwait(struct bfa_lps_s *lps, enum bfa_lps_event event)
+{
+	bfa_trc(lps->bfa, lps->bfa_tag);
+	bfa_trc(lps->bfa, event);
+
+	switch (event) {
+	case BFA_LPS_SM_RESUME:
+		bfa_sm_set_state(lps, bfa_lps_sm_login);
+		bfa_lps_send_login(lps);
+		break;
+
+	case BFA_LPS_SM_OFFLINE:
+	case BFA_LPS_SM_DELETE:
+		bfa_sm_set_state(lps, bfa_lps_sm_init);
+		bfa_reqq_wcancel(&lps->wqe);
+		break;
+
+	case BFA_LPS_SM_RX_CVL:
+		/*
+		 * Login was not even sent out; so when getting out
+		 * of this state, it will appear like a login retry
+		 * after Clear virtual link
+		 */
+		break;
+
+	default:
+		bfa_sm_fault(lps->bfa, event);
+	}
+}
+
+/*
+ * login complete
+ */
+static void
+bfa_lps_sm_online(struct bfa_lps_s *lps, enum bfa_lps_event event)
+{
+	bfa_trc(lps->bfa, lps->bfa_tag);
+	bfa_trc(lps->bfa, event);
+
+	switch (event) {
+	case BFA_LPS_SM_LOGOUT:
+		if (bfa_reqq_full(lps->bfa, lps->reqq)) {
+			bfa_sm_set_state(lps, bfa_lps_sm_logowait);
+			bfa_reqq_wait(lps->bfa, lps->reqq, &lps->wqe);
+		} else {
+			bfa_sm_set_state(lps, bfa_lps_sm_logout);
+			bfa_lps_send_logout(lps);
+		}
+		bfa_plog_str(lps->bfa->plog, BFA_PL_MID_LPS,
+			BFA_PL_EID_LOGO, 0, "Logout");
+		break;
+
+	case BFA_LPS_SM_RX_CVL:
+		bfa_sm_set_state(lps, bfa_lps_sm_init);
+
+		/* Let the vport module know about this event */
+		bfa_lps_cvl_event(lps);
+		bfa_plog_str(lps->bfa->plog, BFA_PL_MID_LPS,
+			BFA_PL_EID_FIP_FCF_CVL, 0, "FCF Clear Virt. Link Rx");
+		break;
+
+	case BFA_LPS_SM_SET_N2N_PID:
+		if (bfa_reqq_full(lps->bfa, lps->reqq)) {
+			bfa_sm_set_state(lps, bfa_lps_sm_online_n2n_pid_wait);
+			bfa_reqq_wait(lps->bfa, lps->reqq, &lps->wqe);
+		} else
+			bfa_lps_send_set_n2n_pid(lps);
+		break;
+
+	case BFA_LPS_SM_OFFLINE:
+	case BFA_LPS_SM_DELETE:
+		bfa_sm_set_state(lps, bfa_lps_sm_init);
+		break;
+
+	default:
+		bfa_sm_fault(lps->bfa, event);
+	}
+}
+
+/*
+ * login complete
+ */
+static void
+bfa_lps_sm_online_n2n_pid_wait(struct bfa_lps_s *lps, enum bfa_lps_event event)
+{
+	bfa_trc(lps->bfa, lps->bfa_tag);
+	bfa_trc(lps->bfa, event);
+
+	switch (event) {
+	case BFA_LPS_SM_RESUME:
+		bfa_sm_set_state(lps, bfa_lps_sm_online);
+		bfa_lps_send_set_n2n_pid(lps);
+		break;
+
+	case BFA_LPS_SM_LOGOUT:
+		bfa_sm_set_state(lps, bfa_lps_sm_logowait);
+		bfa_plog_str(lps->bfa->plog, BFA_PL_MID_LPS,
+			BFA_PL_EID_LOGO, 0, "Logout");
+		break;
+
+	case BFA_LPS_SM_RX_CVL:
+		bfa_sm_set_state(lps, bfa_lps_sm_init);
+		bfa_reqq_wcancel(&lps->wqe);
+
+		/* Let the vport module know about this event */
+		bfa_lps_cvl_event(lps);
+		bfa_plog_str(lps->bfa->plog, BFA_PL_MID_LPS,
+			BFA_PL_EID_FIP_FCF_CVL, 0, "FCF Clear Virt. Link Rx");
+		break;
+
+	case BFA_LPS_SM_OFFLINE:
+	case BFA_LPS_SM_DELETE:
+		bfa_sm_set_state(lps, bfa_lps_sm_init);
+		bfa_reqq_wcancel(&lps->wqe);
+		break;
+
+	default:
+		bfa_sm_fault(lps->bfa, event);
+	}
+}
+
+/*
+ * logout in progress - awaiting firmware response
+ */
+static void
+bfa_lps_sm_logout(struct bfa_lps_s *lps, enum bfa_lps_event event)
+{
+	bfa_trc(lps->bfa, lps->bfa_tag);
+	bfa_trc(lps->bfa, event);
+
+	switch (event) {
+	case BFA_LPS_SM_FWRSP:
+	case BFA_LPS_SM_OFFLINE:
+		bfa_sm_set_state(lps, bfa_lps_sm_init);
+		bfa_lps_logout_comp(lps);
+		break;
+
+	case BFA_LPS_SM_DELETE:
+		bfa_sm_set_state(lps, bfa_lps_sm_init);
+		break;
+
+	default:
+		bfa_sm_fault(lps->bfa, event);
+	}
+}
+
+/*
+ * logout pending -- awaiting space in request queue
+ */
+static void
+bfa_lps_sm_logowait(struct bfa_lps_s *lps, enum bfa_lps_event event)
+{
+	bfa_trc(lps->bfa, lps->bfa_tag);
+	bfa_trc(lps->bfa, event);
+
+	switch (event) {
+	case BFA_LPS_SM_RESUME:
+		bfa_sm_set_state(lps, bfa_lps_sm_logout);
+		bfa_lps_send_logout(lps);
+		break;
+
+	case BFA_LPS_SM_OFFLINE:
+	case BFA_LPS_SM_DELETE:
+		bfa_sm_set_state(lps, bfa_lps_sm_init);
+		bfa_reqq_wcancel(&lps->wqe);
+		break;
+
+	default:
+		bfa_sm_fault(lps->bfa, event);
+	}
+}
+
+
+
+/*
+ *  lps_pvt BFA LPS private functions
+ */
+
+/*
+ * return memory requirement
+ */
+void
+bfa_lps_meminfo(struct bfa_iocfc_cfg_s *cfg, struct bfa_meminfo_s *minfo,
+		struct bfa_s *bfa)
+{
+	struct bfa_mem_kva_s *lps_kva = BFA_MEM_LPS_KVA(bfa);
+
+	if (cfg->drvcfg.min_cfg)
+		bfa_mem_kva_setup(minfo, lps_kva,
+			sizeof(struct bfa_lps_s) * BFA_LPS_MIN_LPORTS);
+	else
+		bfa_mem_kva_setup(minfo, lps_kva,
+			sizeof(struct bfa_lps_s) * BFA_LPS_MAX_LPORTS);
+}
+
+/*
+ * bfa module attach at initialization time
+ */
+void
+bfa_lps_attach(struct bfa_s *bfa, void *bfad, struct bfa_iocfc_cfg_s *cfg,
+	struct bfa_pcidev_s *pcidev)
+{
+	struct bfa_lps_mod_s	*mod = BFA_LPS_MOD(bfa);
+	struct bfa_lps_s	*lps;
+	int			i;
+
+	mod->num_lps = BFA_LPS_MAX_LPORTS;
+	if (cfg->drvcfg.min_cfg)
+		mod->num_lps = BFA_LPS_MIN_LPORTS;
+	else
+		mod->num_lps = BFA_LPS_MAX_LPORTS;
+	mod->lps_arr = lps = (struct bfa_lps_s *) bfa_mem_kva_curp(mod);
+
+	bfa_mem_kva_curp(mod) += mod->num_lps * sizeof(struct bfa_lps_s);
+
+	INIT_LIST_HEAD(&mod->lps_free_q);
+	INIT_LIST_HEAD(&mod->lps_active_q);
+	INIT_LIST_HEAD(&mod->lps_login_q);
+
+	for (i = 0; i < mod->num_lps; i++, lps++) {
+		lps->bfa	= bfa;
+		lps->bfa_tag	= (u8) i;
+		lps->reqq	= BFA_REQQ_LPS;
+		bfa_reqq_winit(&lps->wqe, bfa_lps_reqq_resume, lps);
+		list_add_tail(&lps->qe, &mod->lps_free_q);
+	}
+}
+
+/*
+ * IOC in disabled state -- consider all lps offline
+ */
+void
+bfa_lps_iocdisable(struct bfa_s *bfa)
+{
+	struct bfa_lps_mod_s	*mod = BFA_LPS_MOD(bfa);
+	struct bfa_lps_s	*lps;
+	struct list_head		*qe, *qen;
+
+	list_for_each_safe(qe, qen, &mod->lps_active_q) {
+		lps = (struct bfa_lps_s *) qe;
+		bfa_sm_send_event(lps, BFA_LPS_SM_OFFLINE);
+	}
+	list_for_each_safe(qe, qen, &mod->lps_login_q) {
+		lps = (struct bfa_lps_s *) qe;
+		bfa_sm_send_event(lps, BFA_LPS_SM_OFFLINE);
+	}
+	list_splice_tail_init(&mod->lps_login_q, &mod->lps_active_q);
+}
+
+/*
+ * Firmware login response
+ */
+static void
+bfa_lps_login_rsp(struct bfa_s *bfa, struct bfi_lps_login_rsp_s *rsp)
+{
+	struct bfa_lps_mod_s	*mod = BFA_LPS_MOD(bfa);
+	struct bfa_lps_s	*lps;
+
+	WARN_ON(rsp->bfa_tag >= mod->num_lps);
+	lps = BFA_LPS_FROM_TAG(mod, rsp->bfa_tag);
+
+	lps->status = rsp->status;
+	switch (rsp->status) {
+	case BFA_STATUS_OK:
+		lps->fw_tag	= rsp->fw_tag;
+		lps->fport	= rsp->f_port;
+		if (lps->fport)
+			lps->lp_pid = rsp->lp_pid;
+		lps->npiv_en	= rsp->npiv_en;
+		lps->pr_bbcred	= be16_to_cpu(rsp->bb_credit);
+		lps->pr_pwwn	= rsp->port_name;
+		lps->pr_nwwn	= rsp->node_name;
+		lps->auth_req	= rsp->auth_req;
+		lps->lp_mac	= rsp->lp_mac;
+		lps->brcd_switch = rsp->brcd_switch;
+		lps->fcf_mac	= rsp->fcf_mac;
+
+		break;
+
+	case BFA_STATUS_FABRIC_RJT:
+		lps->lsrjt_rsn = rsp->lsrjt_rsn;
+		lps->lsrjt_expl = rsp->lsrjt_expl;
+
+		break;
+
+	case BFA_STATUS_EPROTOCOL:
+		lps->ext_status = rsp->ext_status;
+
+		break;
+
+	case BFA_STATUS_VPORT_MAX:
+		if (rsp->ext_status)
+			bfa_lps_no_res(lps, rsp->ext_status);
+		break;
+
+	default:
+		/* Nothing to do with other status */
+		break;
+	}
+
+	list_del(&lps->qe);
+	list_add_tail(&lps->qe, &mod->lps_active_q);
+	bfa_sm_send_event(lps, BFA_LPS_SM_FWRSP);
+}
+
+static void
+bfa_lps_no_res(struct bfa_lps_s *first_lps, u8 count)
+{
+	struct bfa_s		*bfa = first_lps->bfa;
+	struct bfa_lps_mod_s	*mod = BFA_LPS_MOD(bfa);
+	struct list_head	*qe, *qe_next;
+	struct bfa_lps_s	*lps;
+
+	bfa_trc(bfa, count);
+
+	qe = bfa_q_next(first_lps);
+
+	while (count && qe) {
+		qe_next = bfa_q_next(qe);
+		lps = (struct bfa_lps_s *)qe;
+		bfa_trc(bfa, lps->bfa_tag);
+		lps->status = first_lps->status;
+		list_del(&lps->qe);
+		list_add_tail(&lps->qe, &mod->lps_active_q);
+		bfa_sm_send_event(lps, BFA_LPS_SM_FWRSP);
+		qe = qe_next;
+		count--;
+	}
+}
+
+/*
+ * Firmware logout response
+ */
+static void
+bfa_lps_logout_rsp(struct bfa_s *bfa, struct bfi_lps_logout_rsp_s *rsp)
+{
+	struct bfa_lps_mod_s	*mod = BFA_LPS_MOD(bfa);
+	struct bfa_lps_s	*lps;
+
+	WARN_ON(rsp->bfa_tag >= mod->num_lps);
+	lps = BFA_LPS_FROM_TAG(mod, rsp->bfa_tag);
+
+	bfa_sm_send_event(lps, BFA_LPS_SM_FWRSP);
+}
+
+/*
+ * Firmware received a Clear virtual link request (for FCoE)
+ */
+static void
+bfa_lps_rx_cvl_event(struct bfa_s *bfa, struct bfi_lps_cvl_event_s *cvl)
+{
+	struct bfa_lps_mod_s	*mod = BFA_LPS_MOD(bfa);
+	struct bfa_lps_s	*lps;
+
+	lps = BFA_LPS_FROM_TAG(mod, cvl->bfa_tag);
+
+	bfa_sm_send_event(lps, BFA_LPS_SM_RX_CVL);
+}
+
+/*
+ * Space is available in request queue, resume queueing request to firmware.
+ */
+static void
+bfa_lps_reqq_resume(void *lps_arg)
+{
+	struct bfa_lps_s	*lps = lps_arg;
+
+	bfa_sm_send_event(lps, BFA_LPS_SM_RESUME);
+}
+
+/*
+ * lps is freed -- triggered by vport delete
+ */
+static void
+bfa_lps_free(struct bfa_lps_s *lps)
+{
+	struct bfa_lps_mod_s	*mod = BFA_LPS_MOD(lps->bfa);
+
+	lps->lp_pid = 0;
+	list_del(&lps->qe);
+	list_add_tail(&lps->qe, &mod->lps_free_q);
+}
+
+/*
+ * send login request to firmware
+ */
+static void
+bfa_lps_send_login(struct bfa_lps_s *lps)
+{
+	struct bfa_lps_mod_s	*mod = BFA_LPS_MOD(lps->bfa);
+	struct bfi_lps_login_req_s	*m;
+
+	m = bfa_reqq_next(lps->bfa, lps->reqq);
+	WARN_ON(!m);
+
+	bfi_h2i_set(m->mh, BFI_MC_LPS, BFI_LPS_H2I_LOGIN_REQ,
+		bfa_fn_lpu(lps->bfa));
+
+	m->bfa_tag	= lps->bfa_tag;
+	m->alpa		= lps->alpa;
+	m->pdu_size	= cpu_to_be16(lps->pdusz);
+	m->pwwn		= lps->pwwn;
+	m->nwwn		= lps->nwwn;
+	m->fdisc	= lps->fdisc;
+	m->auth_en	= lps->auth_en;
+
+	bfa_reqq_produce(lps->bfa, lps->reqq, m->mh);
+	list_del(&lps->qe);
+	list_add_tail(&lps->qe, &mod->lps_login_q);
+}
+
+/*
+ * send logout request to firmware
+ */
+static void
+bfa_lps_send_logout(struct bfa_lps_s *lps)
+{
+	struct bfi_lps_logout_req_s *m;
+
+	m = bfa_reqq_next(lps->bfa, lps->reqq);
+	WARN_ON(!m);
+
+	bfi_h2i_set(m->mh, BFI_MC_LPS, BFI_LPS_H2I_LOGOUT_REQ,
+		bfa_fn_lpu(lps->bfa));
+
+	m->fw_tag = lps->fw_tag;
+	m->port_name = lps->pwwn;
+	bfa_reqq_produce(lps->bfa, lps->reqq, m->mh);
+}
+
+/*
+ * send n2n pid set request to firmware
+ */
+static void
+bfa_lps_send_set_n2n_pid(struct bfa_lps_s *lps)
+{
+	struct bfi_lps_n2n_pid_req_s *m;
+
+	m = bfa_reqq_next(lps->bfa, lps->reqq);
+	WARN_ON(!m);
+
+	bfi_h2i_set(m->mh, BFI_MC_LPS, BFI_LPS_H2I_N2N_PID_REQ,
+		bfa_fn_lpu(lps->bfa));
+
+	m->fw_tag = lps->fw_tag;
+	m->lp_pid = lps->lp_pid;
+	bfa_reqq_produce(lps->bfa, lps->reqq, m->mh);
+}
+
+/*
+ * Indirect login completion handler for non-fcs
+ */
+static void
+bfa_lps_login_comp_cb(void *arg, bfa_boolean_t complete)
+{
+	struct bfa_lps_s *lps	= arg;
+
+	if (!complete)
+		return;
+
+	if (lps->fdisc)
+		bfa_cb_lps_fdisc_comp(lps->bfa->bfad, lps->uarg, lps->status);
+	else
+		bfa_cb_lps_flogi_comp(lps->bfa->bfad, lps->uarg, lps->status);
+}
+
+/*
+ * Login completion handler -- direct call for fcs, queue for others
+ */
+static void
+bfa_lps_login_comp(struct bfa_lps_s *lps)
+{
+	if (!lps->bfa->fcs) {
+		bfa_cb_queue(lps->bfa, &lps->hcb_qe, bfa_lps_login_comp_cb,
+			lps);
+		return;
+	}
+
+	if (lps->fdisc)
+		bfa_cb_lps_fdisc_comp(lps->bfa->bfad, lps->uarg, lps->status);
+	else
+		bfa_cb_lps_flogi_comp(lps->bfa->bfad, lps->uarg, lps->status);
+}
+
+/*
+ * Indirect logout completion handler for non-fcs
+ */
+static void
+bfa_lps_logout_comp_cb(void *arg, bfa_boolean_t complete)
+{
+	struct bfa_lps_s *lps	= arg;
+
+	if (!complete)
+		return;
+
+	if (lps->fdisc)
+		bfa_cb_lps_fdisclogo_comp(lps->bfa->bfad, lps->uarg);
+	else
+		bfa_cb_lps_flogo_comp(lps->bfa->bfad, lps->uarg);
+}
+
+/*
+ * Logout completion handler -- direct call for fcs, queue for others
+ */
+static void
+bfa_lps_logout_comp(struct bfa_lps_s *lps)
+{
+	if (!lps->bfa->fcs) {
+		bfa_cb_queue(lps->bfa, &lps->hcb_qe, bfa_lps_logout_comp_cb,
+			lps);
+		return;
+	}
+	if (lps->fdisc)
+		bfa_cb_lps_fdisclogo_comp(lps->bfa->bfad, lps->uarg);
+}
+
+/*
+ * Clear virtual link completion handler for non-fcs
+ */
+static void
+bfa_lps_cvl_event_cb(void *arg, bfa_boolean_t complete)
+{
+	struct bfa_lps_s *lps	= arg;
+
+	if (!complete)
+		return;
+
+	/* Clear virtual link to base port will result in link down */
+	if (lps->fdisc)
+		bfa_cb_lps_cvl_event(lps->bfa->bfad, lps->uarg);
+}
+
+/*
+ * Received Clear virtual link event --direct call for fcs,
+ * queue for others
+ */
+static void
+bfa_lps_cvl_event(struct bfa_lps_s *lps)
+{
+	if (!lps->bfa->fcs) {
+		bfa_cb_queue(lps->bfa, &lps->hcb_qe, bfa_lps_cvl_event_cb,
+			lps);
+		return;
+	}
+
+	/* Clear virtual link to base port will result in link down */
+	if (lps->fdisc)
+		bfa_cb_lps_cvl_event(lps->bfa->bfad, lps->uarg);
+}
+
+
+
+/*
+ *  lps_public BFA LPS public functions
+ */
+
+u32
+bfa_lps_get_max_vport(struct bfa_s *bfa)
+{
+	if (bfa_ioc_devid(&bfa->ioc) == BFA_PCI_DEVICE_ID_CT)
+		return BFA_LPS_MAX_VPORTS_SUPP_CT;
+	else
+		return BFA_LPS_MAX_VPORTS_SUPP_CB;
+}
+
+/*
+ * Allocate a lport srvice tag.
+ */
+struct bfa_lps_s  *
+bfa_lps_alloc(struct bfa_s *bfa)
+{
+	struct bfa_lps_mod_s	*mod = BFA_LPS_MOD(bfa);
+	struct bfa_lps_s	*lps = NULL;
+
+	bfa_q_deq(&mod->lps_free_q, &lps);
+
+	if (lps == NULL)
+		return NULL;
+
+	list_add_tail(&lps->qe, &mod->lps_active_q);
+
+	bfa_sm_set_state(lps, bfa_lps_sm_init);
+	return lps;
+}
+
+/*
+ * Free lport service tag. This can be called anytime after an alloc.
+ * No need to wait for any pending login/logout completions.
+ */
+void
+bfa_lps_delete(struct bfa_lps_s *lps)
+{
+	bfa_sm_send_event(lps, BFA_LPS_SM_DELETE);
+}
+
+/*
+ * Initiate a lport login.
+ */
+void
+bfa_lps_flogi(struct bfa_lps_s *lps, void *uarg, u8 alpa, u16 pdusz,
+	wwn_t pwwn, wwn_t nwwn, bfa_boolean_t auth_en)
+{
+	lps->uarg	= uarg;
+	lps->alpa	= alpa;
+	lps->pdusz	= pdusz;
+	lps->pwwn	= pwwn;
+	lps->nwwn	= nwwn;
+	lps->fdisc	= BFA_FALSE;
+	lps->auth_en	= auth_en;
+	bfa_sm_send_event(lps, BFA_LPS_SM_LOGIN);
+}
+
+/*
+ * Initiate a lport fdisc login.
+ */
+void
+bfa_lps_fdisc(struct bfa_lps_s *lps, void *uarg, u16 pdusz, wwn_t pwwn,
+	wwn_t nwwn)
+{
+	lps->uarg	= uarg;
+	lps->alpa	= 0;
+	lps->pdusz	= pdusz;
+	lps->pwwn	= pwwn;
+	lps->nwwn	= nwwn;
+	lps->fdisc	= BFA_TRUE;
+	lps->auth_en	= BFA_FALSE;
+	bfa_sm_send_event(lps, BFA_LPS_SM_LOGIN);
+}
+
+
+/*
+ * Initiate a lport FDSIC logout.
+ */
+void
+bfa_lps_fdisclogo(struct bfa_lps_s *lps)
+{
+	bfa_sm_send_event(lps, BFA_LPS_SM_LOGOUT);
+}
+
+u8
+bfa_lps_get_fwtag(struct bfa_s *bfa, u8 lp_tag)
+{
+	struct bfa_lps_mod_s    *mod = BFA_LPS_MOD(bfa);
+
+	return BFA_LPS_FROM_TAG(mod, lp_tag)->fw_tag;
+}
+
+/*
+ * Return lport services tag given the pid
+ */
+u8
+bfa_lps_get_tag_from_pid(struct bfa_s *bfa, u32 pid)
+{
+	struct bfa_lps_mod_s	*mod = BFA_LPS_MOD(bfa);
+	struct bfa_lps_s	*lps;
+	int			i;
+
+	for (i = 0, lps = mod->lps_arr; i < mod->num_lps; i++, lps++) {
+		if (lps->lp_pid == pid)
+			return lps->bfa_tag;
+	}
+
+	/* Return base port tag anyway */
+	return 0;
+}
+
+
+/*
+ * return port id assigned to the base lport
+ */
+u32
+bfa_lps_get_base_pid(struct bfa_s *bfa)
+{
+	struct bfa_lps_mod_s	*mod = BFA_LPS_MOD(bfa);
+
+	return BFA_LPS_FROM_TAG(mod, 0)->lp_pid;
+}
+
+/*
+ * Set PID in case of n2n (which is assigned during PLOGI)
+ */
+void
+bfa_lps_set_n2n_pid(struct bfa_lps_s *lps, uint32_t n2n_pid)
+{
+	bfa_trc(lps->bfa, lps->bfa_tag);
+	bfa_trc(lps->bfa, n2n_pid);
+
+	lps->lp_pid = n2n_pid;
+	bfa_sm_send_event(lps, BFA_LPS_SM_SET_N2N_PID);
+}
+
+/*
+ * LPS firmware message class handler.
+ */
+void
+bfa_lps_isr(struct bfa_s *bfa, struct bfi_msg_s *m)
+{
+	union bfi_lps_i2h_msg_u	msg;
+
+	bfa_trc(bfa, m->mhdr.msg_id);
+	msg.msg = m;
+
+	switch (m->mhdr.msg_id) {
+	case BFI_LPS_I2H_LOGIN_RSP:
+		bfa_lps_login_rsp(bfa, msg.login_rsp);
+		break;
+
+	case BFI_LPS_I2H_LOGOUT_RSP:
+		bfa_lps_logout_rsp(bfa, msg.logout_rsp);
+		break;
+
+	case BFI_LPS_I2H_CVL_EVENT:
+		bfa_lps_rx_cvl_event(bfa, msg.cvl_event);
+		break;
+
+	default:
+		bfa_trc(bfa, m->mhdr.msg_id);
+		WARN_ON(1);
+	}
+}
+
+static void
+bfa_fcport_aen_post(struct bfa_fcport_s *fcport, enum bfa_port_aen_event event)
+{
+	struct bfad_s *bfad = (struct bfad_s *)fcport->bfa->bfad;
+	struct bfa_aen_entry_s  *aen_entry;
+
+	bfad_get_aen_entry(bfad, aen_entry);
+	if (!aen_entry)
+		return;
+
+	aen_entry->aen_data.port.ioc_type = bfa_get_type(fcport->bfa);
+	aen_entry->aen_data.port.pwwn = fcport->pwwn;
+
+	/* Send the AEN notification */
+	bfad_im_post_vendor_event(aen_entry, bfad, ++fcport->bfa->bfa_aen_seq,
+				  BFA_AEN_CAT_PORT, event);
+}
+
+/*
+ * FC PORT state machine functions
+ */
+static void
+bfa_fcport_sm_uninit(struct bfa_fcport_s *fcport,
+			enum bfa_fcport_sm_event event)
+{
+	bfa_trc(fcport->bfa, event);
+
+	switch (event) {
+	case BFA_FCPORT_SM_START:
+		/*
+		 * Start event after IOC is configured and BFA is started.
+		 */
+		fcport->use_flash_cfg = BFA_TRUE;
+
+		if (bfa_fcport_send_enable(fcport)) {
+			bfa_trc(fcport->bfa, BFA_TRUE);
+			bfa_sm_set_state(fcport, bfa_fcport_sm_enabling);
+		} else {
+			bfa_trc(fcport->bfa, BFA_FALSE);
+			bfa_sm_set_state(fcport,
+					bfa_fcport_sm_enabling_qwait);
+		}
+		break;
+
+	case BFA_FCPORT_SM_ENABLE:
+		/*
+		 * Port is persistently configured to be in enabled state. Do
+		 * not change state. Port enabling is done when START event is
+		 * received.
+		 */
+		break;
+
+	case BFA_FCPORT_SM_DISABLE:
+		/*
+		 * If a port is persistently configured to be disabled, the
+		 * first event will a port disable request.
+		 */
+		bfa_sm_set_state(fcport, bfa_fcport_sm_disabled);
+		break;
+
+	case BFA_FCPORT_SM_HWFAIL:
+		bfa_sm_set_state(fcport, bfa_fcport_sm_iocdown);
+		break;
+
+	default:
+		bfa_sm_fault(fcport->bfa, event);
+	}
+}
+
+static void
+bfa_fcport_sm_enabling_qwait(struct bfa_fcport_s *fcport,
+				enum bfa_fcport_sm_event event)
+{
+	char pwwn_buf[BFA_STRING_32];
+	struct bfad_s *bfad = (struct bfad_s *)fcport->bfa->bfad;
+	bfa_trc(fcport->bfa, event);
+
+	switch (event) {
+	case BFA_FCPORT_SM_QRESUME:
+		bfa_sm_set_state(fcport, bfa_fcport_sm_enabling);
+		bfa_fcport_send_enable(fcport);
+		break;
+
+	case BFA_FCPORT_SM_STOP:
+		bfa_reqq_wcancel(&fcport->reqq_wait);
+		bfa_sm_set_state(fcport, bfa_fcport_sm_stopped);
+		break;
+
+	case BFA_FCPORT_SM_ENABLE:
+		/*
+		 * Already enable is in progress.
+		 */
+		break;
+
+	case BFA_FCPORT_SM_DISABLE:
+		/*
+		 * Just send disable request to firmware when room becomes
+		 * available in request queue.
+		 */
+		bfa_sm_set_state(fcport, bfa_fcport_sm_disabled);
+		bfa_reqq_wcancel(&fcport->reqq_wait);
+		bfa_plog_str(fcport->bfa->plog, BFA_PL_MID_HAL,
+				BFA_PL_EID_PORT_DISABLE, 0, "Port Disable");
+		wwn2str(pwwn_buf, fcport->pwwn);
+		BFA_LOG(KERN_INFO, bfad, bfa_log_level,
+			"Base port disabled: WWN = %s\n", pwwn_buf);
+		bfa_fcport_aen_post(fcport, BFA_PORT_AEN_DISABLE);
+		break;
+
+	case BFA_FCPORT_SM_LINKUP:
+	case BFA_FCPORT_SM_LINKDOWN:
+		/*
+		 * Possible to get link events when doing back-to-back
+		 * enable/disables.
+		 */
+		break;
+
+	case BFA_FCPORT_SM_HWFAIL:
+		bfa_reqq_wcancel(&fcport->reqq_wait);
+		bfa_sm_set_state(fcport, bfa_fcport_sm_iocdown);
+		break;
+
+	case BFA_FCPORT_SM_FAA_MISCONFIG:
+		bfa_fcport_reset_linkinfo(fcport);
+		bfa_fcport_aen_post(fcport, BFA_PORT_AEN_DISCONNECT);
+		bfa_sm_set_state(fcport, bfa_fcport_sm_faa_misconfig);
+		break;
+
+	default:
+		bfa_sm_fault(fcport->bfa, event);
+	}
+}
+
+static void
+bfa_fcport_sm_enabling(struct bfa_fcport_s *fcport,
+						enum bfa_fcport_sm_event event)
+{
+	char pwwn_buf[BFA_STRING_32];
+	struct bfad_s *bfad = (struct bfad_s *)fcport->bfa->bfad;
+	bfa_trc(fcport->bfa, event);
+
+	switch (event) {
+	case BFA_FCPORT_SM_FWRSP:
+	case BFA_FCPORT_SM_LINKDOWN:
+		bfa_sm_set_state(fcport, bfa_fcport_sm_linkdown);
+		break;
+
+	case BFA_FCPORT_SM_LINKUP:
+		bfa_fcport_update_linkinfo(fcport);
+		bfa_sm_set_state(fcport, bfa_fcport_sm_linkup);
+
+		WARN_ON(!fcport->event_cbfn);
+		bfa_fcport_scn(fcport, BFA_PORT_LINKUP, BFA_FALSE);
+		break;
+
+	case BFA_FCPORT_SM_ENABLE:
+		/*
+		 * Already being enabled.
+		 */
+		break;
+
+	case BFA_FCPORT_SM_DISABLE:
+		if (bfa_fcport_send_disable(fcport))
+			bfa_sm_set_state(fcport, bfa_fcport_sm_disabling);
+		else
+			bfa_sm_set_state(fcport,
+					 bfa_fcport_sm_disabling_qwait);
+
+		bfa_plog_str(fcport->bfa->plog, BFA_PL_MID_HAL,
+				BFA_PL_EID_PORT_DISABLE, 0, "Port Disable");
+		wwn2str(pwwn_buf, fcport->pwwn);
+		BFA_LOG(KERN_INFO, bfad, bfa_log_level,
+			"Base port disabled: WWN = %s\n", pwwn_buf);
+		bfa_fcport_aen_post(fcport, BFA_PORT_AEN_DISABLE);
+		break;
+
+	case BFA_FCPORT_SM_STOP:
+		bfa_sm_set_state(fcport, bfa_fcport_sm_stopped);
+		break;
+
+	case BFA_FCPORT_SM_HWFAIL:
+		bfa_sm_set_state(fcport, bfa_fcport_sm_iocdown);
+		break;
+
+	case BFA_FCPORT_SM_FAA_MISCONFIG:
+		bfa_fcport_reset_linkinfo(fcport);
+		bfa_fcport_aen_post(fcport, BFA_PORT_AEN_DISCONNECT);
+		bfa_sm_set_state(fcport, bfa_fcport_sm_faa_misconfig);
+		break;
+
+	default:
+		bfa_sm_fault(fcport->bfa, event);
+	}
+}
+
+static void
+bfa_fcport_sm_linkdown(struct bfa_fcport_s *fcport,
+						enum bfa_fcport_sm_event event)
+{
+	struct bfi_fcport_event_s *pevent = fcport->event_arg.i2hmsg.event;
+	char pwwn_buf[BFA_STRING_32];
+	struct bfad_s *bfad = (struct bfad_s *)fcport->bfa->bfad;
+
+	bfa_trc(fcport->bfa, event);
+
+	switch (event) {
+	case BFA_FCPORT_SM_LINKUP:
+		bfa_fcport_update_linkinfo(fcport);
+		bfa_sm_set_state(fcport, bfa_fcport_sm_linkup);
+		WARN_ON(!fcport->event_cbfn);
+		bfa_plog_str(fcport->bfa->plog, BFA_PL_MID_HAL,
+				BFA_PL_EID_PORT_ST_CHANGE, 0, "Port Linkup");
+		if (!bfa_ioc_get_fcmode(&fcport->bfa->ioc)) {
+
+			bfa_trc(fcport->bfa,
+				pevent->link_state.attr.vc_fcf.fcf.fipenabled);
+			bfa_trc(fcport->bfa,
+				pevent->link_state.attr.vc_fcf.fcf.fipfailed);
+
+			if (pevent->link_state.attr.vc_fcf.fcf.fipfailed)
+				bfa_plog_str(fcport->bfa->plog, BFA_PL_MID_HAL,
+					BFA_PL_EID_FIP_FCF_DISC, 0,
+					"FIP FCF Discovery Failed");
+			else
+				bfa_plog_str(fcport->bfa->plog, BFA_PL_MID_HAL,
+					BFA_PL_EID_FIP_FCF_DISC, 0,
+					"FIP FCF Discovered");
+		}
+
+		bfa_fcport_scn(fcport, BFA_PORT_LINKUP, BFA_FALSE);
+		wwn2str(pwwn_buf, fcport->pwwn);
+		BFA_LOG(KERN_INFO, bfad, bfa_log_level,
+			"Base port online: WWN = %s\n", pwwn_buf);
+		bfa_fcport_aen_post(fcport, BFA_PORT_AEN_ONLINE);
+
+		/* If QoS is enabled and it is not online, send AEN */
+		if (fcport->cfg.qos_enabled &&
+		    fcport->qos_attr.state != BFA_QOS_ONLINE)
+			bfa_fcport_aen_post(fcport, BFA_PORT_AEN_QOS_NEG);
+		break;
+
+	case BFA_FCPORT_SM_LINKDOWN:
+		/*
+		 * Possible to get link down event.
+		 */
+		break;
+
+	case BFA_FCPORT_SM_ENABLE:
+		/*
+		 * Already enabled.
+		 */
+		break;
+
+	case BFA_FCPORT_SM_DISABLE:
+		if (bfa_fcport_send_disable(fcport))
+			bfa_sm_set_state(fcport, bfa_fcport_sm_disabling);
+		else
+			bfa_sm_set_state(fcport,
+					 bfa_fcport_sm_disabling_qwait);
+
+		bfa_plog_str(fcport->bfa->plog, BFA_PL_MID_HAL,
+				BFA_PL_EID_PORT_DISABLE, 0, "Port Disable");
+		wwn2str(pwwn_buf, fcport->pwwn);
+		BFA_LOG(KERN_INFO, bfad, bfa_log_level,
+			"Base port disabled: WWN = %s\n", pwwn_buf);
+		bfa_fcport_aen_post(fcport, BFA_PORT_AEN_DISABLE);
+		break;
+
+	case BFA_FCPORT_SM_STOP:
+		bfa_sm_set_state(fcport, bfa_fcport_sm_stopped);
+		break;
+
+	case BFA_FCPORT_SM_HWFAIL:
+		bfa_sm_set_state(fcport, bfa_fcport_sm_iocdown);
+		break;
+
+	case BFA_FCPORT_SM_FAA_MISCONFIG:
+		bfa_fcport_reset_linkinfo(fcport);
+		bfa_fcport_aen_post(fcport, BFA_PORT_AEN_DISCONNECT);
+		bfa_sm_set_state(fcport, bfa_fcport_sm_faa_misconfig);
+		break;
+
+	default:
+		bfa_sm_fault(fcport->bfa, event);
+	}
+}
+
+static void
+bfa_fcport_sm_linkup(struct bfa_fcport_s *fcport,
+	enum bfa_fcport_sm_event event)
+{
+	char pwwn_buf[BFA_STRING_32];
+	struct bfad_s *bfad = (struct bfad_s *)fcport->bfa->bfad;
+
+	bfa_trc(fcport->bfa, event);
+
+	switch (event) {
+	case BFA_FCPORT_SM_ENABLE:
+		/*
+		 * Already enabled.
+		 */
+		break;
+
+	case BFA_FCPORT_SM_DISABLE:
+		if (bfa_fcport_send_disable(fcport))
+			bfa_sm_set_state(fcport, bfa_fcport_sm_disabling);
+		else
+			bfa_sm_set_state(fcport,
+					 bfa_fcport_sm_disabling_qwait);
+
+		bfa_fcport_reset_linkinfo(fcport);
+		bfa_fcport_scn(fcport, BFA_PORT_LINKDOWN, BFA_FALSE);
+		bfa_plog_str(fcport->bfa->plog, BFA_PL_MID_HAL,
+				BFA_PL_EID_PORT_DISABLE, 0, "Port Disable");
+		wwn2str(pwwn_buf, fcport->pwwn);
+		BFA_LOG(KERN_INFO, bfad, bfa_log_level,
+			"Base port offline: WWN = %s\n", pwwn_buf);
+		bfa_fcport_aen_post(fcport, BFA_PORT_AEN_OFFLINE);
+		BFA_LOG(KERN_INFO, bfad, bfa_log_level,
+			"Base port disabled: WWN = %s\n", pwwn_buf);
+		bfa_fcport_aen_post(fcport, BFA_PORT_AEN_DISABLE);
+		break;
+
+	case BFA_FCPORT_SM_LINKDOWN:
+		bfa_sm_set_state(fcport, bfa_fcport_sm_linkdown);
+		bfa_fcport_reset_linkinfo(fcport);
+		bfa_fcport_scn(fcport, BFA_PORT_LINKDOWN, BFA_FALSE);
+		bfa_plog_str(fcport->bfa->plog, BFA_PL_MID_HAL,
+				BFA_PL_EID_PORT_ST_CHANGE, 0, "Port Linkdown");
+		wwn2str(pwwn_buf, fcport->pwwn);
+		if (BFA_PORT_IS_DISABLED(fcport->bfa)) {
+			BFA_LOG(KERN_INFO, bfad, bfa_log_level,
+				"Base port offline: WWN = %s\n", pwwn_buf);
+			bfa_fcport_aen_post(fcport, BFA_PORT_AEN_OFFLINE);
+		} else {
+			BFA_LOG(KERN_ERR, bfad, bfa_log_level,
+				"Base port (WWN = %s) "
+				"lost fabric connectivity\n", pwwn_buf);
+			bfa_fcport_aen_post(fcport, BFA_PORT_AEN_DISCONNECT);
+		}
+		break;
+
+	case BFA_FCPORT_SM_STOP:
+		bfa_sm_set_state(fcport, bfa_fcport_sm_stopped);
+		bfa_fcport_reset_linkinfo(fcport);
+		wwn2str(pwwn_buf, fcport->pwwn);
+		if (BFA_PORT_IS_DISABLED(fcport->bfa)) {
+			BFA_LOG(KERN_INFO, bfad, bfa_log_level,
+				"Base port offline: WWN = %s\n", pwwn_buf);
+			bfa_fcport_aen_post(fcport, BFA_PORT_AEN_OFFLINE);
+		} else {
+			BFA_LOG(KERN_ERR, bfad, bfa_log_level,
+				"Base port (WWN = %s) "
+				"lost fabric connectivity\n", pwwn_buf);
+			bfa_fcport_aen_post(fcport, BFA_PORT_AEN_DISCONNECT);
+		}
+		break;
+
+	case BFA_FCPORT_SM_HWFAIL:
+		bfa_sm_set_state(fcport, bfa_fcport_sm_iocdown);
+		bfa_fcport_reset_linkinfo(fcport);
+		bfa_fcport_scn(fcport, BFA_PORT_LINKDOWN, BFA_FALSE);
+		wwn2str(pwwn_buf, fcport->pwwn);
+		if (BFA_PORT_IS_DISABLED(fcport->bfa)) {
+			BFA_LOG(KERN_INFO, bfad, bfa_log_level,
+				"Base port offline: WWN = %s\n", pwwn_buf);
+			bfa_fcport_aen_post(fcport, BFA_PORT_AEN_OFFLINE);
+		} else {
+			BFA_LOG(KERN_ERR, bfad, bfa_log_level,
+				"Base port (WWN = %s) "
+				"lost fabric connectivity\n", pwwn_buf);
+			bfa_fcport_aen_post(fcport, BFA_PORT_AEN_DISCONNECT);
+		}
+		break;
+
+	case BFA_FCPORT_SM_FAA_MISCONFIG:
+		bfa_fcport_reset_linkinfo(fcport);
+		bfa_fcport_aen_post(fcport, BFA_PORT_AEN_DISCONNECT);
+		bfa_sm_set_state(fcport, bfa_fcport_sm_faa_misconfig);
+		break;
+
+	default:
+		bfa_sm_fault(fcport->bfa, event);
+	}
+}
+
+static void
+bfa_fcport_sm_disabling_qwait(struct bfa_fcport_s *fcport,
+				 enum bfa_fcport_sm_event event)
+{
+	bfa_trc(fcport->bfa, event);
+
+	switch (event) {
+	case BFA_FCPORT_SM_QRESUME:
+		bfa_sm_set_state(fcport, bfa_fcport_sm_disabling);
+		bfa_fcport_send_disable(fcport);
+		break;
+
+	case BFA_FCPORT_SM_STOP:
+		bfa_sm_set_state(fcport, bfa_fcport_sm_stopped);
+		bfa_reqq_wcancel(&fcport->reqq_wait);
+		break;
+
+	case BFA_FCPORT_SM_ENABLE:
+		bfa_sm_set_state(fcport, bfa_fcport_sm_toggling_qwait);
+		break;
+
+	case BFA_FCPORT_SM_DISABLE:
+		/*
+		 * Already being disabled.
+		 */
+		break;
+
+	case BFA_FCPORT_SM_LINKUP:
+	case BFA_FCPORT_SM_LINKDOWN:
+		/*
+		 * Possible to get link events when doing back-to-back
+		 * enable/disables.
+		 */
+		break;
+
+	case BFA_FCPORT_SM_HWFAIL:
+		bfa_sm_set_state(fcport, bfa_fcport_sm_iocfail);
+		bfa_reqq_wcancel(&fcport->reqq_wait);
+		break;
+
+	case BFA_FCPORT_SM_FAA_MISCONFIG:
+		bfa_fcport_reset_linkinfo(fcport);
+		bfa_fcport_aen_post(fcport, BFA_PORT_AEN_DISCONNECT);
+		bfa_sm_set_state(fcport, bfa_fcport_sm_faa_misconfig);
+		break;
+
+	default:
+		bfa_sm_fault(fcport->bfa, event);
+	}
+}
+
+static void
+bfa_fcport_sm_toggling_qwait(struct bfa_fcport_s *fcport,
+				 enum bfa_fcport_sm_event event)
+{
+	bfa_trc(fcport->bfa, event);
+
+	switch (event) {
+	case BFA_FCPORT_SM_QRESUME:
+		bfa_sm_set_state(fcport, bfa_fcport_sm_disabling);
+		bfa_fcport_send_disable(fcport);
+		if (bfa_fcport_send_enable(fcport))
+			bfa_sm_set_state(fcport, bfa_fcport_sm_enabling);
+		else
+			bfa_sm_set_state(fcport,
+					 bfa_fcport_sm_enabling_qwait);
+		break;
+
+	case BFA_FCPORT_SM_STOP:
+		bfa_sm_set_state(fcport, bfa_fcport_sm_stopped);
+		bfa_reqq_wcancel(&fcport->reqq_wait);
+		break;
+
+	case BFA_FCPORT_SM_ENABLE:
+		break;
+
+	case BFA_FCPORT_SM_DISABLE:
+		bfa_sm_set_state(fcport, bfa_fcport_sm_disabling_qwait);
+		break;
+
+	case BFA_FCPORT_SM_LINKUP:
+	case BFA_FCPORT_SM_LINKDOWN:
+		/*
+		 * Possible to get link events when doing back-to-back
+		 * enable/disables.
+		 */
+		break;
+
+	case BFA_FCPORT_SM_HWFAIL:
+		bfa_sm_set_state(fcport, bfa_fcport_sm_iocfail);
+		bfa_reqq_wcancel(&fcport->reqq_wait);
+		break;
+
+	default:
+		bfa_sm_fault(fcport->bfa, event);
+	}
+}
+
+static void
+bfa_fcport_sm_disabling(struct bfa_fcport_s *fcport,
+						enum bfa_fcport_sm_event event)
+{
+	char pwwn_buf[BFA_STRING_32];
+	struct bfad_s *bfad = (struct bfad_s *)fcport->bfa->bfad;
+	bfa_trc(fcport->bfa, event);
+
+	switch (event) {
+	case BFA_FCPORT_SM_FWRSP:
+		bfa_sm_set_state(fcport, bfa_fcport_sm_disabled);
+		break;
+
+	case BFA_FCPORT_SM_DISABLE:
+		/*
+		 * Already being disabled.
+		 */
+		break;
+
+	case BFA_FCPORT_SM_ENABLE:
+		if (bfa_fcport_send_enable(fcport))
+			bfa_sm_set_state(fcport, bfa_fcport_sm_enabling);
+		else
+			bfa_sm_set_state(fcport,
+					 bfa_fcport_sm_enabling_qwait);
+
+		bfa_plog_str(fcport->bfa->plog, BFA_PL_MID_HAL,
+				BFA_PL_EID_PORT_ENABLE, 0, "Port Enable");
+		wwn2str(pwwn_buf, fcport->pwwn);
+		BFA_LOG(KERN_INFO, bfad, bfa_log_level,
+			"Base port enabled: WWN = %s\n", pwwn_buf);
+		bfa_fcport_aen_post(fcport, BFA_PORT_AEN_ENABLE);
+		break;
+
+	case BFA_FCPORT_SM_STOP:
+		bfa_sm_set_state(fcport, bfa_fcport_sm_stopped);
+		break;
+
+	case BFA_FCPORT_SM_LINKUP:
+	case BFA_FCPORT_SM_LINKDOWN:
+		/*
+		 * Possible to get link events when doing back-to-back
+		 * enable/disables.
+		 */
+		break;
+
+	case BFA_FCPORT_SM_HWFAIL:
+		bfa_sm_set_state(fcport, bfa_fcport_sm_iocfail);
+		break;
+
+	default:
+		bfa_sm_fault(fcport->bfa, event);
+	}
+}
+
+static void
+bfa_fcport_sm_disabled(struct bfa_fcport_s *fcport,
+						enum bfa_fcport_sm_event event)
+{
+	char pwwn_buf[BFA_STRING_32];
+	struct bfad_s *bfad = (struct bfad_s *)fcport->bfa->bfad;
+	bfa_trc(fcport->bfa, event);
+
+	switch (event) {
+	case BFA_FCPORT_SM_START:
+		/*
+		 * Ignore start event for a port that is disabled.
+		 */
+		break;
+
+	case BFA_FCPORT_SM_STOP:
+		bfa_sm_set_state(fcport, bfa_fcport_sm_stopped);
+		break;
+
+	case BFA_FCPORT_SM_ENABLE:
+		if (bfa_fcport_send_enable(fcport))
+			bfa_sm_set_state(fcport, bfa_fcport_sm_enabling);
+		else
+			bfa_sm_set_state(fcport,
+					 bfa_fcport_sm_enabling_qwait);
+
+		bfa_plog_str(fcport->bfa->plog, BFA_PL_MID_HAL,
+				BFA_PL_EID_PORT_ENABLE, 0, "Port Enable");
+		wwn2str(pwwn_buf, fcport->pwwn);
+		BFA_LOG(KERN_INFO, bfad, bfa_log_level,
+			"Base port enabled: WWN = %s\n", pwwn_buf);
+		bfa_fcport_aen_post(fcport, BFA_PORT_AEN_ENABLE);
+		break;
+
+	case BFA_FCPORT_SM_DISABLE:
+		/*
+		 * Already disabled.
+		 */
+		break;
+
+	case BFA_FCPORT_SM_HWFAIL:
+		bfa_sm_set_state(fcport, bfa_fcport_sm_iocfail);
+		break;
+
+	case BFA_FCPORT_SM_DPORTENABLE:
+		bfa_sm_set_state(fcport, bfa_fcport_sm_dport);
+		break;
+
+	case BFA_FCPORT_SM_DDPORTENABLE:
+		bfa_sm_set_state(fcport, bfa_fcport_sm_ddport);
+		break;
+
+	default:
+		bfa_sm_fault(fcport->bfa, event);
+	}
+}
+
+static void
+bfa_fcport_sm_stopped(struct bfa_fcport_s *fcport,
+			 enum bfa_fcport_sm_event event)
+{
+	bfa_trc(fcport->bfa, event);
+
+	switch (event) {
+	case BFA_FCPORT_SM_START:
+		if (bfa_fcport_send_enable(fcport))
+			bfa_sm_set_state(fcport, bfa_fcport_sm_enabling);
+		else
+			bfa_sm_set_state(fcport,
+					 bfa_fcport_sm_enabling_qwait);
+		break;
+
+	default:
+		/*
+		 * Ignore all other events.
+		 */
+		;
+	}
+}
+
+/*
+ * Port is enabled. IOC is down/failed.
+ */
+static void
+bfa_fcport_sm_iocdown(struct bfa_fcport_s *fcport,
+			 enum bfa_fcport_sm_event event)
+{
+	bfa_trc(fcport->bfa, event);
+
+	switch (event) {
+	case BFA_FCPORT_SM_START:
+		if (bfa_fcport_send_enable(fcport))
+			bfa_sm_set_state(fcport, bfa_fcport_sm_enabling);
+		else
+			bfa_sm_set_state(fcport,
+					 bfa_fcport_sm_enabling_qwait);
+		break;
+
+	default:
+		/*
+		 * Ignore all events.
+		 */
+		;
+	}
+}
+
+/*
+ * Port is disabled. IOC is down/failed.
+ */
+static void
+bfa_fcport_sm_iocfail(struct bfa_fcport_s *fcport,
+			 enum bfa_fcport_sm_event event)
+{
+	bfa_trc(fcport->bfa, event);
+
+	switch (event) {
+	case BFA_FCPORT_SM_START:
+		bfa_sm_set_state(fcport, bfa_fcport_sm_disabled);
+		break;
+
+	case BFA_FCPORT_SM_ENABLE:
+		bfa_sm_set_state(fcport, bfa_fcport_sm_iocdown);
+		break;
+
+	default:
+		/*
+		 * Ignore all events.
+		 */
+		;
+	}
+}
+
+static void
+bfa_fcport_sm_dport(struct bfa_fcport_s *fcport, enum bfa_fcport_sm_event event)
+{
+	bfa_trc(fcport->bfa, event);
+
+	switch (event) {
+	case BFA_FCPORT_SM_DPORTENABLE:
+	case BFA_FCPORT_SM_DISABLE:
+	case BFA_FCPORT_SM_ENABLE:
+	case BFA_FCPORT_SM_START:
+		/*
+		 * Ignore event for a port that is dport
+		 */
+		break;
+
+	case BFA_FCPORT_SM_STOP:
+		bfa_sm_set_state(fcport, bfa_fcport_sm_stopped);
+		break;
+
+	case BFA_FCPORT_SM_HWFAIL:
+		bfa_sm_set_state(fcport, bfa_fcport_sm_iocfail);
+		break;
+
+	case BFA_FCPORT_SM_DPORTDISABLE:
+		bfa_sm_set_state(fcport, bfa_fcport_sm_disabled);
+		break;
+
+	default:
+		bfa_sm_fault(fcport->bfa, event);
+	}
+}
+
+static void
+bfa_fcport_sm_ddport(struct bfa_fcport_s *fcport,
+			enum bfa_fcport_sm_event event)
+{
+	bfa_trc(fcport->bfa, event);
+
+	switch (event) {
+	case BFA_FCPORT_SM_DISABLE:
+	case BFA_FCPORT_SM_DDPORTDISABLE:
+		bfa_sm_set_state(fcport, bfa_fcport_sm_disabled);
+		break;
+
+	case BFA_FCPORT_SM_DPORTENABLE:
+	case BFA_FCPORT_SM_DPORTDISABLE:
+	case BFA_FCPORT_SM_ENABLE:
+	case BFA_FCPORT_SM_START:
+		/*
+		 * Ignore event for a port that is ddport
+		 */
+		break;
+
+	case BFA_FCPORT_SM_STOP:
+		bfa_sm_set_state(fcport, bfa_fcport_sm_stopped);
+		break;
+
+	case BFA_FCPORT_SM_HWFAIL:
+		bfa_sm_set_state(fcport, bfa_fcport_sm_iocfail);
+		break;
+
+	default:
+		bfa_sm_fault(fcport->bfa, event);
+	}
+}
+
+static void
+bfa_fcport_sm_faa_misconfig(struct bfa_fcport_s *fcport,
+			    enum bfa_fcport_sm_event event)
+{
+	bfa_trc(fcport->bfa, event);
+
+	switch (event) {
+	case BFA_FCPORT_SM_DPORTENABLE:
+	case BFA_FCPORT_SM_ENABLE:
+	case BFA_FCPORT_SM_START:
+		/*
+		 * Ignore event for a port as there is FAA misconfig
+		 */
+		break;
+
+	case BFA_FCPORT_SM_DISABLE:
+		if (bfa_fcport_send_disable(fcport))
+			bfa_sm_set_state(fcport, bfa_fcport_sm_disabling);
+		else
+			bfa_sm_set_state(fcport, bfa_fcport_sm_disabling_qwait);
+
+		bfa_fcport_reset_linkinfo(fcport);
+		bfa_fcport_scn(fcport, BFA_PORT_LINKDOWN, BFA_FALSE);
+		bfa_plog_str(fcport->bfa->plog, BFA_PL_MID_HAL,
+			     BFA_PL_EID_PORT_DISABLE, 0, "Port Disable");
+		bfa_fcport_aen_post(fcport, BFA_PORT_AEN_DISABLE);
+		break;
+
+	case BFA_FCPORT_SM_STOP:
+		bfa_sm_set_state(fcport, bfa_fcport_sm_stopped);
+		break;
+
+	case BFA_FCPORT_SM_HWFAIL:
+		bfa_fcport_reset_linkinfo(fcport);
+		bfa_fcport_scn(fcport, BFA_PORT_LINKDOWN, BFA_FALSE);
+		bfa_sm_set_state(fcport, bfa_fcport_sm_iocdown);
+		break;
+
+	default:
+		bfa_sm_fault(fcport->bfa, event);
+	}
+}
+
+/*
+ * Link state is down
+ */
+static void
+bfa_fcport_ln_sm_dn(struct bfa_fcport_ln_s *ln,
+		enum bfa_fcport_ln_sm_event event)
+{
+	bfa_trc(ln->fcport->bfa, event);
+
+	switch (event) {
+	case BFA_FCPORT_LN_SM_LINKUP:
+		bfa_sm_set_state(ln, bfa_fcport_ln_sm_up_nf);
+		bfa_fcport_queue_cb(ln, BFA_PORT_LINKUP);
+		break;
+
+	default:
+		bfa_sm_fault(ln->fcport->bfa, event);
+	}
+}
+
+/*
+ * Link state is waiting for down notification
+ */
+static void
+bfa_fcport_ln_sm_dn_nf(struct bfa_fcport_ln_s *ln,
+		enum bfa_fcport_ln_sm_event event)
+{
+	bfa_trc(ln->fcport->bfa, event);
+
+	switch (event) {
+	case BFA_FCPORT_LN_SM_LINKUP:
+		bfa_sm_set_state(ln, bfa_fcport_ln_sm_dn_up_nf);
+		break;
+
+	case BFA_FCPORT_LN_SM_NOTIFICATION:
+		bfa_sm_set_state(ln, bfa_fcport_ln_sm_dn);
+		break;
+
+	default:
+		bfa_sm_fault(ln->fcport->bfa, event);
+	}
+}
+
+/*
+ * Link state is waiting for down notification and there is a pending up
+ */
+static void
+bfa_fcport_ln_sm_dn_up_nf(struct bfa_fcport_ln_s *ln,
+		enum bfa_fcport_ln_sm_event event)
+{
+	bfa_trc(ln->fcport->bfa, event);
+
+	switch (event) {
+	case BFA_FCPORT_LN_SM_LINKDOWN:
+		bfa_sm_set_state(ln, bfa_fcport_ln_sm_dn_nf);
+		break;
+
+	case BFA_FCPORT_LN_SM_NOTIFICATION:
+		bfa_sm_set_state(ln, bfa_fcport_ln_sm_up_nf);
+		bfa_fcport_queue_cb(ln, BFA_PORT_LINKUP);
+		break;
+
+	default:
+		bfa_sm_fault(ln->fcport->bfa, event);
+	}
+}
+
+/*
+ * Link state is up
+ */
+static void
+bfa_fcport_ln_sm_up(struct bfa_fcport_ln_s *ln,
+		enum bfa_fcport_ln_sm_event event)
+{
+	bfa_trc(ln->fcport->bfa, event);
+
+	switch (event) {
+	case BFA_FCPORT_LN_SM_LINKDOWN:
+		bfa_sm_set_state(ln, bfa_fcport_ln_sm_dn_nf);
+		bfa_fcport_queue_cb(ln, BFA_PORT_LINKDOWN);
+		break;
+
+	default:
+		bfa_sm_fault(ln->fcport->bfa, event);
+	}
+}
+
+/*
+ * Link state is waiting for up notification
+ */
+static void
+bfa_fcport_ln_sm_up_nf(struct bfa_fcport_ln_s *ln,
+		enum bfa_fcport_ln_sm_event event)
+{
+	bfa_trc(ln->fcport->bfa, event);
+
+	switch (event) {
+	case BFA_FCPORT_LN_SM_LINKDOWN:
+		bfa_sm_set_state(ln, bfa_fcport_ln_sm_up_dn_nf);
+		break;
+
+	case BFA_FCPORT_LN_SM_NOTIFICATION:
+		bfa_sm_set_state(ln, bfa_fcport_ln_sm_up);
+		break;
+
+	default:
+		bfa_sm_fault(ln->fcport->bfa, event);
+	}
+}
+
+/*
+ * Link state is waiting for up notification and there is a pending down
+ */
+static void
+bfa_fcport_ln_sm_up_dn_nf(struct bfa_fcport_ln_s *ln,
+		enum bfa_fcport_ln_sm_event event)
+{
+	bfa_trc(ln->fcport->bfa, event);
+
+	switch (event) {
+	case BFA_FCPORT_LN_SM_LINKUP:
+		bfa_sm_set_state(ln, bfa_fcport_ln_sm_up_dn_up_nf);
+		break;
+
+	case BFA_FCPORT_LN_SM_NOTIFICATION:
+		bfa_sm_set_state(ln, bfa_fcport_ln_sm_dn_nf);
+		bfa_fcport_queue_cb(ln, BFA_PORT_LINKDOWN);
+		break;
+
+	default:
+		bfa_sm_fault(ln->fcport->bfa, event);
+	}
+}
+
+/*
+ * Link state is waiting for up notification and there are pending down and up
+ */
+static void
+bfa_fcport_ln_sm_up_dn_up_nf(struct bfa_fcport_ln_s *ln,
+			enum bfa_fcport_ln_sm_event event)
+{
+	bfa_trc(ln->fcport->bfa, event);
+
+	switch (event) {
+	case BFA_FCPORT_LN_SM_LINKDOWN:
+		bfa_sm_set_state(ln, bfa_fcport_ln_sm_up_dn_nf);
+		break;
+
+	case BFA_FCPORT_LN_SM_NOTIFICATION:
+		bfa_sm_set_state(ln, bfa_fcport_ln_sm_dn_up_nf);
+		bfa_fcport_queue_cb(ln, BFA_PORT_LINKDOWN);
+		break;
+
+	default:
+		bfa_sm_fault(ln->fcport->bfa, event);
+	}
+}
+
+static void
+__bfa_cb_fcport_event(void *cbarg, bfa_boolean_t complete)
+{
+	struct bfa_fcport_ln_s *ln = cbarg;
+
+	if (complete)
+		ln->fcport->event_cbfn(ln->fcport->event_cbarg, ln->ln_event);
+	else
+		bfa_sm_send_event(ln, BFA_FCPORT_LN_SM_NOTIFICATION);
+}
+
+/*
+ * Send SCN notification to upper layers.
+ * trunk - false if caller is fcport to ignore fcport event in trunked mode
+ */
+static void
+bfa_fcport_scn(struct bfa_fcport_s *fcport, enum bfa_port_linkstate event,
+	bfa_boolean_t trunk)
+{
+	if (fcport->cfg.trunked && !trunk)
+		return;
+
+	switch (event) {
+	case BFA_PORT_LINKUP:
+		bfa_sm_send_event(&fcport->ln, BFA_FCPORT_LN_SM_LINKUP);
+		break;
+	case BFA_PORT_LINKDOWN:
+		bfa_sm_send_event(&fcport->ln, BFA_FCPORT_LN_SM_LINKDOWN);
+		break;
+	default:
+		WARN_ON(1);
+	}
+}
+
+static void
+bfa_fcport_queue_cb(struct bfa_fcport_ln_s *ln, enum bfa_port_linkstate event)
+{
+	struct bfa_fcport_s *fcport = ln->fcport;
+
+	if (fcport->bfa->fcs) {
+		fcport->event_cbfn(fcport->event_cbarg, event);
+		bfa_sm_send_event(ln, BFA_FCPORT_LN_SM_NOTIFICATION);
+	} else {
+		ln->ln_event = event;
+		bfa_cb_queue(fcport->bfa, &ln->ln_qe,
+			__bfa_cb_fcport_event, ln);
+	}
+}
+
+#define FCPORT_STATS_DMA_SZ (BFA_ROUNDUP(sizeof(union bfa_fcport_stats_u), \
+							BFA_CACHELINE_SZ))
+
+void
+bfa_fcport_meminfo(struct bfa_iocfc_cfg_s *cfg, struct bfa_meminfo_s *minfo,
+		   struct bfa_s *bfa)
+{
+	struct bfa_mem_dma_s *fcport_dma = BFA_MEM_FCPORT_DMA(bfa);
+
+	bfa_mem_dma_setup(minfo, fcport_dma, FCPORT_STATS_DMA_SZ);
+}
+
+static void
+bfa_fcport_qresume(void *cbarg)
+{
+	struct bfa_fcport_s *fcport = cbarg;
+
+	bfa_sm_send_event(fcport, BFA_FCPORT_SM_QRESUME);
+}
+
+static void
+bfa_fcport_mem_claim(struct bfa_fcport_s *fcport)
+{
+	struct bfa_mem_dma_s *fcport_dma = &fcport->fcport_dma;
+
+	fcport->stats_kva = bfa_mem_dma_virt(fcport_dma);
+	fcport->stats_pa  = bfa_mem_dma_phys(fcport_dma);
+	fcport->stats = (union bfa_fcport_stats_u *)
+				bfa_mem_dma_virt(fcport_dma);
+}
+
+/*
+ * Memory initialization.
+ */
+void
+bfa_fcport_attach(struct bfa_s *bfa, void *bfad, struct bfa_iocfc_cfg_s *cfg,
+		struct bfa_pcidev_s *pcidev)
+{
+	struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
+	struct bfa_port_cfg_s *port_cfg = &fcport->cfg;
+	struct bfa_fcport_ln_s *ln = &fcport->ln;
+
+	fcport->bfa = bfa;
+	ln->fcport = fcport;
+
+	bfa_fcport_mem_claim(fcport);
+
+	bfa_sm_set_state(fcport, bfa_fcport_sm_uninit);
+	bfa_sm_set_state(ln, bfa_fcport_ln_sm_dn);
+
+	/*
+	 * initialize time stamp for stats reset
+	 */
+	fcport->stats_reset_time = ktime_get_seconds();
+	fcport->stats_dma_ready = BFA_FALSE;
+
+	/*
+	 * initialize and set default configuration
+	 */
+	port_cfg->topology = BFA_PORT_TOPOLOGY_P2P;
+	port_cfg->speed = BFA_PORT_SPEED_AUTO;
+	port_cfg->trunked = BFA_FALSE;
+	port_cfg->maxfrsize = 0;
+
+	port_cfg->trl_def_speed = BFA_PORT_SPEED_1GBPS;
+	port_cfg->qos_bw.high = BFA_QOS_BW_HIGH;
+	port_cfg->qos_bw.med = BFA_QOS_BW_MED;
+	port_cfg->qos_bw.low = BFA_QOS_BW_LOW;
+
+	fcport->fec_state = BFA_FEC_OFFLINE;
+
+	INIT_LIST_HEAD(&fcport->stats_pending_q);
+	INIT_LIST_HEAD(&fcport->statsclr_pending_q);
+
+	bfa_reqq_winit(&fcport->reqq_wait, bfa_fcport_qresume, fcport);
+}
+
+void
+bfa_fcport_start(struct bfa_s *bfa)
+{
+	bfa_sm_send_event(BFA_FCPORT_MOD(bfa), BFA_FCPORT_SM_START);
+}
+
+/*
+ * Called when IOC failure is detected.
+ */
+void
+bfa_fcport_iocdisable(struct bfa_s *bfa)
+{
+	struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
+
+	bfa_sm_send_event(fcport, BFA_FCPORT_SM_HWFAIL);
+	bfa_trunk_iocdisable(bfa);
+}
+
+/*
+ * Update loop info in fcport for SCN online
+ */
+static void
+bfa_fcport_update_loop_info(struct bfa_fcport_s *fcport,
+			struct bfa_fcport_loop_info_s *loop_info)
+{
+	fcport->myalpa = loop_info->myalpa;
+	fcport->alpabm_valid =
+			loop_info->alpabm_val;
+	memcpy(fcport->alpabm.alpa_bm,
+			loop_info->alpabm.alpa_bm,
+			sizeof(struct fc_alpabm_s));
+}
+
+static void
+bfa_fcport_update_linkinfo(struct bfa_fcport_s *fcport)
+{
+	struct bfi_fcport_event_s *pevent = fcport->event_arg.i2hmsg.event;
+	struct bfa_fcport_trunk_s *trunk = &fcport->trunk;
+
+	fcport->speed = pevent->link_state.speed;
+	fcport->topology = pevent->link_state.topology;
+
+	if (fcport->topology == BFA_PORT_TOPOLOGY_LOOP) {
+		bfa_fcport_update_loop_info(fcport,
+				&pevent->link_state.attr.loop_info);
+		return;
+	}
+
+	/* QoS Details */
+	fcport->qos_attr = pevent->link_state.qos_attr;
+	fcport->qos_vc_attr = pevent->link_state.attr.vc_fcf.qos_vc_attr;
+
+	if (fcport->cfg.bb_cr_enabled)
+		fcport->bbcr_attr = pevent->link_state.attr.bbcr_attr;
+
+	fcport->fec_state = pevent->link_state.fec_state;
+
+	/*
+	 * update trunk state if applicable
+	 */
+	if (!fcport->cfg.trunked)
+		trunk->attr.state = BFA_TRUNK_DISABLED;
+
+	/* update FCoE specific */
+	fcport->fcoe_vlan =
+		be16_to_cpu(pevent->link_state.attr.vc_fcf.fcf.vlan);
+
+	bfa_trc(fcport->bfa, fcport->speed);
+	bfa_trc(fcport->bfa, fcport->topology);
+}
+
+static void
+bfa_fcport_reset_linkinfo(struct bfa_fcport_s *fcport)
+{
+	fcport->speed = BFA_PORT_SPEED_UNKNOWN;
+	fcport->topology = BFA_PORT_TOPOLOGY_NONE;
+	fcport->fec_state = BFA_FEC_OFFLINE;
+}
+
+/*
+ * Send port enable message to firmware.
+ */
+static bfa_boolean_t
+bfa_fcport_send_enable(struct bfa_fcport_s *fcport)
+{
+	struct bfi_fcport_enable_req_s *m;
+
+	/*
+	 * Increment message tag before queue check, so that responses to old
+	 * requests are discarded.
+	 */
+	fcport->msgtag++;
+
+	/*
+	 * check for room in queue to send request now
+	 */
+	m = bfa_reqq_next(fcport->bfa, BFA_REQQ_PORT);
+	if (!m) {
+		bfa_reqq_wait(fcport->bfa, BFA_REQQ_PORT,
+							&fcport->reqq_wait);
+		return BFA_FALSE;
+	}
+
+	bfi_h2i_set(m->mh, BFI_MC_FCPORT, BFI_FCPORT_H2I_ENABLE_REQ,
+			bfa_fn_lpu(fcport->bfa));
+	m->nwwn = fcport->nwwn;
+	m->pwwn = fcport->pwwn;
+	m->port_cfg = fcport->cfg;
+	m->msgtag = fcport->msgtag;
+	m->port_cfg.maxfrsize = cpu_to_be16(fcport->cfg.maxfrsize);
+	 m->use_flash_cfg = fcport->use_flash_cfg;
+	bfa_dma_be_addr_set(m->stats_dma_addr, fcport->stats_pa);
+	bfa_trc(fcport->bfa, m->stats_dma_addr.a32.addr_lo);
+	bfa_trc(fcport->bfa, m->stats_dma_addr.a32.addr_hi);
+
+	/*
+	 * queue I/O message to firmware
+	 */
+	bfa_reqq_produce(fcport->bfa, BFA_REQQ_PORT, m->mh);
+	return BFA_TRUE;
+}
+
+/*
+ * Send port disable message to firmware.
+ */
+static	bfa_boolean_t
+bfa_fcport_send_disable(struct bfa_fcport_s *fcport)
+{
+	struct bfi_fcport_req_s *m;
+
+	/*
+	 * Increment message tag before queue check, so that responses to old
+	 * requests are discarded.
+	 */
+	fcport->msgtag++;
+
+	/*
+	 * check for room in queue to send request now
+	 */
+	m = bfa_reqq_next(fcport->bfa, BFA_REQQ_PORT);
+	if (!m) {
+		bfa_reqq_wait(fcport->bfa, BFA_REQQ_PORT,
+							&fcport->reqq_wait);
+		return BFA_FALSE;
+	}
+
+	bfi_h2i_set(m->mh, BFI_MC_FCPORT, BFI_FCPORT_H2I_DISABLE_REQ,
+			bfa_fn_lpu(fcport->bfa));
+	m->msgtag = fcport->msgtag;
+
+	/*
+	 * queue I/O message to firmware
+	 */
+	bfa_reqq_produce(fcport->bfa, BFA_REQQ_PORT, m->mh);
+
+	return BFA_TRUE;
+}
+
+static void
+bfa_fcport_set_wwns(struct bfa_fcport_s *fcport)
+{
+	fcport->pwwn = fcport->bfa->ioc.attr->pwwn;
+	fcport->nwwn = fcport->bfa->ioc.attr->nwwn;
+
+	bfa_trc(fcport->bfa, fcport->pwwn);
+	bfa_trc(fcport->bfa, fcport->nwwn);
+}
+
+static void
+bfa_fcport_qos_stats_swap(struct bfa_qos_stats_s *d,
+	struct bfa_qos_stats_s *s)
+{
+	u32	*dip = (u32 *) d;
+	__be32	*sip = (__be32 *) s;
+	int		i;
+
+	/* Now swap the 32 bit fields */
+	for (i = 0; i < (sizeof(struct bfa_qos_stats_s)/sizeof(u32)); ++i)
+		dip[i] = be32_to_cpu(sip[i]);
+}
+
+static void
+bfa_fcport_fcoe_stats_swap(struct bfa_fcoe_stats_s *d,
+	struct bfa_fcoe_stats_s *s)
+{
+	u32	*dip = (u32 *) d;
+	__be32	*sip = (__be32 *) s;
+	int		i;
+
+	for (i = 0; i < ((sizeof(struct bfa_fcoe_stats_s))/sizeof(u32));
+	     i = i + 2) {
+#ifdef __BIG_ENDIAN
+		dip[i] = be32_to_cpu(sip[i]);
+		dip[i + 1] = be32_to_cpu(sip[i + 1]);
+#else
+		dip[i] = be32_to_cpu(sip[i + 1]);
+		dip[i + 1] = be32_to_cpu(sip[i]);
+#endif
+	}
+}
+
+static void
+__bfa_cb_fcport_stats_get(void *cbarg, bfa_boolean_t complete)
+{
+	struct bfa_fcport_s *fcport = (struct bfa_fcport_s *)cbarg;
+	struct bfa_cb_pending_q_s *cb;
+	struct list_head *qe, *qen;
+	union bfa_fcport_stats_u *ret;
+
+	if (complete) {
+		time64_t time = ktime_get_seconds();
+
+		list_for_each_safe(qe, qen, &fcport->stats_pending_q) {
+			bfa_q_deq(&fcport->stats_pending_q, &qe);
+			cb = (struct bfa_cb_pending_q_s *)qe;
+			if (fcport->stats_status == BFA_STATUS_OK) {
+				ret = (union bfa_fcport_stats_u *)cb->data;
+				/* Swap FC QoS or FCoE stats */
+				if (bfa_ioc_get_fcmode(&fcport->bfa->ioc))
+					bfa_fcport_qos_stats_swap(&ret->fcqos,
+							&fcport->stats->fcqos);
+				else {
+					bfa_fcport_fcoe_stats_swap(&ret->fcoe,
+							&fcport->stats->fcoe);
+					ret->fcoe.secs_reset =
+						time - fcport->stats_reset_time;
+				}
+			}
+			bfa_cb_queue_status(fcport->bfa, &cb->hcb_qe,
+					fcport->stats_status);
+		}
+		fcport->stats_status = BFA_STATUS_OK;
+	} else {
+		INIT_LIST_HEAD(&fcport->stats_pending_q);
+		fcport->stats_status = BFA_STATUS_OK;
+	}
+}
+
+static void
+bfa_fcport_stats_get_timeout(void *cbarg)
+{
+	struct bfa_fcport_s *fcport = (struct bfa_fcport_s *) cbarg;
+
+	bfa_trc(fcport->bfa, fcport->stats_qfull);
+
+	if (fcport->stats_qfull) {
+		bfa_reqq_wcancel(&fcport->stats_reqq_wait);
+		fcport->stats_qfull = BFA_FALSE;
+	}
+
+	fcport->stats_status = BFA_STATUS_ETIMER;
+	__bfa_cb_fcport_stats_get(fcport, BFA_TRUE);
+}
+
+static void
+bfa_fcport_send_stats_get(void *cbarg)
+{
+	struct bfa_fcport_s *fcport = (struct bfa_fcport_s *) cbarg;
+	struct bfi_fcport_req_s *msg;
+
+	msg = bfa_reqq_next(fcport->bfa, BFA_REQQ_PORT);
+
+	if (!msg) {
+		fcport->stats_qfull = BFA_TRUE;
+		bfa_reqq_winit(&fcport->stats_reqq_wait,
+				bfa_fcport_send_stats_get, fcport);
+		bfa_reqq_wait(fcport->bfa, BFA_REQQ_PORT,
+				&fcport->stats_reqq_wait);
+		return;
+	}
+	fcport->stats_qfull = BFA_FALSE;
+
+	memset(msg, 0, sizeof(struct bfi_fcport_req_s));
+	bfi_h2i_set(msg->mh, BFI_MC_FCPORT, BFI_FCPORT_H2I_STATS_GET_REQ,
+			bfa_fn_lpu(fcport->bfa));
+	bfa_reqq_produce(fcport->bfa, BFA_REQQ_PORT, msg->mh);
+}
+
+static void
+__bfa_cb_fcport_stats_clr(void *cbarg, bfa_boolean_t complete)
+{
+	struct bfa_fcport_s *fcport = (struct bfa_fcport_s *) cbarg;
+	struct bfa_cb_pending_q_s *cb;
+	struct list_head *qe, *qen;
+
+	if (complete) {
+		/*
+		 * re-initialize time stamp for stats reset
+		 */
+		fcport->stats_reset_time = ktime_get_seconds();
+		list_for_each_safe(qe, qen, &fcport->statsclr_pending_q) {
+			bfa_q_deq(&fcport->statsclr_pending_q, &qe);
+			cb = (struct bfa_cb_pending_q_s *)qe;
+			bfa_cb_queue_status(fcport->bfa, &cb->hcb_qe,
+						fcport->stats_status);
+		}
+		fcport->stats_status = BFA_STATUS_OK;
+	} else {
+		INIT_LIST_HEAD(&fcport->statsclr_pending_q);
+		fcport->stats_status = BFA_STATUS_OK;
+	}
+}
+
+static void
+bfa_fcport_stats_clr_timeout(void *cbarg)
+{
+	struct bfa_fcport_s *fcport = (struct bfa_fcport_s *) cbarg;
+
+	bfa_trc(fcport->bfa, fcport->stats_qfull);
+
+	if (fcport->stats_qfull) {
+		bfa_reqq_wcancel(&fcport->stats_reqq_wait);
+		fcport->stats_qfull = BFA_FALSE;
+	}
+
+	fcport->stats_status = BFA_STATUS_ETIMER;
+	__bfa_cb_fcport_stats_clr(fcport, BFA_TRUE);
+}
+
+static void
+bfa_fcport_send_stats_clear(void *cbarg)
+{
+	struct bfa_fcport_s *fcport = (struct bfa_fcport_s *) cbarg;
+	struct bfi_fcport_req_s *msg;
+
+	msg = bfa_reqq_next(fcport->bfa, BFA_REQQ_PORT);
+
+	if (!msg) {
+		fcport->stats_qfull = BFA_TRUE;
+		bfa_reqq_winit(&fcport->stats_reqq_wait,
+				bfa_fcport_send_stats_clear, fcport);
+		bfa_reqq_wait(fcport->bfa, BFA_REQQ_PORT,
+						&fcport->stats_reqq_wait);
+		return;
+	}
+	fcport->stats_qfull = BFA_FALSE;
+
+	memset(msg, 0, sizeof(struct bfi_fcport_req_s));
+	bfi_h2i_set(msg->mh, BFI_MC_FCPORT, BFI_FCPORT_H2I_STATS_CLEAR_REQ,
+			bfa_fn_lpu(fcport->bfa));
+	bfa_reqq_produce(fcport->bfa, BFA_REQQ_PORT, msg->mh);
+}
+
+/*
+ * Handle trunk SCN event from firmware.
+ */
+static void
+bfa_trunk_scn(struct bfa_fcport_s *fcport, struct bfi_fcport_trunk_scn_s *scn)
+{
+	struct bfa_fcport_trunk_s *trunk = &fcport->trunk;
+	struct bfi_fcport_trunk_link_s *tlink;
+	struct bfa_trunk_link_attr_s *lattr;
+	enum bfa_trunk_state state_prev;
+	int i;
+	int link_bm = 0;
+
+	bfa_trc(fcport->bfa, fcport->cfg.trunked);
+	WARN_ON(scn->trunk_state != BFA_TRUNK_ONLINE &&
+		   scn->trunk_state != BFA_TRUNK_OFFLINE);
+
+	bfa_trc(fcport->bfa, trunk->attr.state);
+	bfa_trc(fcport->bfa, scn->trunk_state);
+	bfa_trc(fcport->bfa, scn->trunk_speed);
+
+	/*
+	 * Save off new state for trunk attribute query
+	 */
+	state_prev = trunk->attr.state;
+	if (fcport->cfg.trunked && (trunk->attr.state != BFA_TRUNK_DISABLED))
+		trunk->attr.state = scn->trunk_state;
+	trunk->attr.speed = scn->trunk_speed;
+	for (i = 0; i < BFA_TRUNK_MAX_PORTS; i++) {
+		lattr = &trunk->attr.link_attr[i];
+		tlink = &scn->tlink[i];
+
+		lattr->link_state = tlink->state;
+		lattr->trunk_wwn  = tlink->trunk_wwn;
+		lattr->fctl	  = tlink->fctl;
+		lattr->speed	  = tlink->speed;
+		lattr->deskew	  = be32_to_cpu(tlink->deskew);
+
+		if (tlink->state == BFA_TRUNK_LINK_STATE_UP) {
+			fcport->speed	 = tlink->speed;
+			fcport->topology = BFA_PORT_TOPOLOGY_P2P;
+			link_bm |= 1 << i;
+		}
+
+		bfa_trc(fcport->bfa, lattr->link_state);
+		bfa_trc(fcport->bfa, lattr->trunk_wwn);
+		bfa_trc(fcport->bfa, lattr->fctl);
+		bfa_trc(fcport->bfa, lattr->speed);
+		bfa_trc(fcport->bfa, lattr->deskew);
+	}
+
+	switch (link_bm) {
+	case 3:
+		bfa_plog_str(fcport->bfa->plog, BFA_PL_MID_HAL,
+			BFA_PL_EID_TRUNK_SCN, 0, "Trunk up(0,1)");
+		break;
+	case 2:
+		bfa_plog_str(fcport->bfa->plog, BFA_PL_MID_HAL,
+			BFA_PL_EID_TRUNK_SCN, 0, "Trunk up(-,1)");
+		break;
+	case 1:
+		bfa_plog_str(fcport->bfa->plog, BFA_PL_MID_HAL,
+			BFA_PL_EID_TRUNK_SCN, 0, "Trunk up(0,-)");
+		break;
+	default:
+		bfa_plog_str(fcport->bfa->plog, BFA_PL_MID_HAL,
+			BFA_PL_EID_TRUNK_SCN, 0, "Trunk down");
+	}
+
+	/*
+	 * Notify upper layers if trunk state changed.
+	 */
+	if ((state_prev != trunk->attr.state) ||
+		(scn->trunk_state == BFA_TRUNK_OFFLINE)) {
+		bfa_fcport_scn(fcport, (scn->trunk_state == BFA_TRUNK_ONLINE) ?
+			BFA_PORT_LINKUP : BFA_PORT_LINKDOWN, BFA_TRUE);
+	}
+}
+
+static void
+bfa_trunk_iocdisable(struct bfa_s *bfa)
+{
+	struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
+	int i = 0;
+
+	/*
+	 * In trunked mode, notify upper layers that link is down
+	 */
+	if (fcport->cfg.trunked) {
+		if (fcport->trunk.attr.state == BFA_TRUNK_ONLINE)
+			bfa_fcport_scn(fcport, BFA_PORT_LINKDOWN, BFA_TRUE);
+
+		fcport->trunk.attr.state = BFA_TRUNK_OFFLINE;
+		fcport->trunk.attr.speed = BFA_PORT_SPEED_UNKNOWN;
+		for (i = 0; i < BFA_TRUNK_MAX_PORTS; i++) {
+			fcport->trunk.attr.link_attr[i].trunk_wwn = 0;
+			fcport->trunk.attr.link_attr[i].fctl =
+						BFA_TRUNK_LINK_FCTL_NORMAL;
+			fcport->trunk.attr.link_attr[i].link_state =
+						BFA_TRUNK_LINK_STATE_DN_LINKDN;
+			fcport->trunk.attr.link_attr[i].speed =
+						BFA_PORT_SPEED_UNKNOWN;
+			fcport->trunk.attr.link_attr[i].deskew = 0;
+		}
+	}
+}
+
+/*
+ * Called to initialize port attributes
+ */
+void
+bfa_fcport_init(struct bfa_s *bfa)
+{
+	struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
+
+	/*
+	 * Initialize port attributes from IOC hardware data.
+	 */
+	bfa_fcport_set_wwns(fcport);
+	if (fcport->cfg.maxfrsize == 0)
+		fcport->cfg.maxfrsize = bfa_ioc_maxfrsize(&bfa->ioc);
+	fcport->cfg.rx_bbcredit = bfa_ioc_rx_bbcredit(&bfa->ioc);
+	fcport->speed_sup = bfa_ioc_speed_sup(&bfa->ioc);
+
+	if (bfa_fcport_is_pbcdisabled(bfa))
+		bfa->modules.port.pbc_disabled = BFA_TRUE;
+
+	WARN_ON(!fcport->cfg.maxfrsize);
+	WARN_ON(!fcport->cfg.rx_bbcredit);
+	WARN_ON(!fcport->speed_sup);
+}
+
+/*
+ * Firmware message handler.
+ */
+void
+bfa_fcport_isr(struct bfa_s *bfa, struct bfi_msg_s *msg)
+{
+	struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
+	union bfi_fcport_i2h_msg_u i2hmsg;
+
+	i2hmsg.msg = msg;
+	fcport->event_arg.i2hmsg = i2hmsg;
+
+	bfa_trc(bfa, msg->mhdr.msg_id);
+	bfa_trc(bfa, bfa_sm_to_state(hal_port_sm_table, fcport->sm));
+
+	switch (msg->mhdr.msg_id) {
+	case BFI_FCPORT_I2H_ENABLE_RSP:
+		if (fcport->msgtag == i2hmsg.penable_rsp->msgtag) {
+
+			fcport->stats_dma_ready = BFA_TRUE;
+			if (fcport->use_flash_cfg) {
+				fcport->cfg = i2hmsg.penable_rsp->port_cfg;
+				fcport->cfg.maxfrsize =
+					cpu_to_be16(fcport->cfg.maxfrsize);
+				fcport->cfg.path_tov =
+					cpu_to_be16(fcport->cfg.path_tov);
+				fcport->cfg.q_depth =
+					cpu_to_be16(fcport->cfg.q_depth);
+
+				if (fcport->cfg.trunked)
+					fcport->trunk.attr.state =
+						BFA_TRUNK_OFFLINE;
+				else
+					fcport->trunk.attr.state =
+						BFA_TRUNK_DISABLED;
+				fcport->qos_attr.qos_bw =
+					i2hmsg.penable_rsp->port_cfg.qos_bw;
+				fcport->use_flash_cfg = BFA_FALSE;
+			}
+
+			if (fcport->cfg.qos_enabled)
+				fcport->qos_attr.state = BFA_QOS_OFFLINE;
+			else
+				fcport->qos_attr.state = BFA_QOS_DISABLED;
+
+			fcport->qos_attr.qos_bw_op =
+					i2hmsg.penable_rsp->port_cfg.qos_bw;
+
+			if (fcport->cfg.bb_cr_enabled)
+				fcport->bbcr_attr.state = BFA_BBCR_OFFLINE;
+			else
+				fcport->bbcr_attr.state = BFA_BBCR_DISABLED;
+
+			bfa_sm_send_event(fcport, BFA_FCPORT_SM_FWRSP);
+		}
+		break;
+
+	case BFI_FCPORT_I2H_DISABLE_RSP:
+		if (fcport->msgtag == i2hmsg.penable_rsp->msgtag)
+			bfa_sm_send_event(fcport, BFA_FCPORT_SM_FWRSP);
+		break;
+
+	case BFI_FCPORT_I2H_EVENT:
+		if (fcport->cfg.bb_cr_enabled)
+			fcport->bbcr_attr.state = BFA_BBCR_OFFLINE;
+		else
+			fcport->bbcr_attr.state = BFA_BBCR_DISABLED;
+
+		if (i2hmsg.event->link_state.linkstate == BFA_PORT_LINKUP)
+			bfa_sm_send_event(fcport, BFA_FCPORT_SM_LINKUP);
+		else {
+			if (i2hmsg.event->link_state.linkstate_rsn ==
+			    BFA_PORT_LINKSTATE_RSN_FAA_MISCONFIG)
+				bfa_sm_send_event(fcport,
+						  BFA_FCPORT_SM_FAA_MISCONFIG);
+			else
+				bfa_sm_send_event(fcport,
+						  BFA_FCPORT_SM_LINKDOWN);
+		}
+		fcport->qos_attr.qos_bw_op =
+				i2hmsg.event->link_state.qos_attr.qos_bw_op;
+		break;
+
+	case BFI_FCPORT_I2H_TRUNK_SCN:
+		bfa_trunk_scn(fcport, i2hmsg.trunk_scn);
+		break;
+
+	case BFI_FCPORT_I2H_STATS_GET_RSP:
+		/*
+		 * check for timer pop before processing the rsp
+		 */
+		if (list_empty(&fcport->stats_pending_q) ||
+		    (fcport->stats_status == BFA_STATUS_ETIMER))
+			break;
+
+		bfa_timer_stop(&fcport->timer);
+		fcport->stats_status = i2hmsg.pstatsget_rsp->status;
+		__bfa_cb_fcport_stats_get(fcport, BFA_TRUE);
+		break;
+
+	case BFI_FCPORT_I2H_STATS_CLEAR_RSP:
+		/*
+		 * check for timer pop before processing the rsp
+		 */
+		if (list_empty(&fcport->statsclr_pending_q) ||
+		    (fcport->stats_status == BFA_STATUS_ETIMER))
+			break;
+
+		bfa_timer_stop(&fcport->timer);
+		fcport->stats_status = BFA_STATUS_OK;
+		__bfa_cb_fcport_stats_clr(fcport, BFA_TRUE);
+		break;
+
+	case BFI_FCPORT_I2H_ENABLE_AEN:
+		bfa_sm_send_event(fcport, BFA_FCPORT_SM_ENABLE);
+		break;
+
+	case BFI_FCPORT_I2H_DISABLE_AEN:
+		bfa_sm_send_event(fcport, BFA_FCPORT_SM_DISABLE);
+		break;
+
+	default:
+		WARN_ON(1);
+	break;
+	}
+}
+
+/*
+ * Registered callback for port events.
+ */
+void
+bfa_fcport_event_register(struct bfa_s *bfa,
+				void (*cbfn) (void *cbarg,
+				enum bfa_port_linkstate event),
+				void *cbarg)
+{
+	struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
+
+	fcport->event_cbfn = cbfn;
+	fcport->event_cbarg = cbarg;
+}
+
+bfa_status_t
+bfa_fcport_enable(struct bfa_s *bfa)
+{
+	struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
+
+	if (bfa_fcport_is_pbcdisabled(bfa))
+		return BFA_STATUS_PBC;
+
+	if (bfa_ioc_is_disabled(&bfa->ioc))
+		return BFA_STATUS_IOC_DISABLED;
+
+	if (fcport->diag_busy)
+		return BFA_STATUS_DIAG_BUSY;
+
+	bfa_sm_send_event(BFA_FCPORT_MOD(bfa), BFA_FCPORT_SM_ENABLE);
+	return BFA_STATUS_OK;
+}
+
+bfa_status_t
+bfa_fcport_disable(struct bfa_s *bfa)
+{
+	if (bfa_fcport_is_pbcdisabled(bfa))
+		return BFA_STATUS_PBC;
+
+	if (bfa_ioc_is_disabled(&bfa->ioc))
+		return BFA_STATUS_IOC_DISABLED;
+
+	bfa_sm_send_event(BFA_FCPORT_MOD(bfa), BFA_FCPORT_SM_DISABLE);
+	return BFA_STATUS_OK;
+}
+
+/* If PBC is disabled on port, return error */
+bfa_status_t
+bfa_fcport_is_pbcdisabled(struct bfa_s *bfa)
+{
+	struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
+	struct bfa_iocfc_s *iocfc = &bfa->iocfc;
+	struct bfi_iocfc_cfgrsp_s *cfgrsp = iocfc->cfgrsp;
+
+	if (cfgrsp->pbc_cfg.port_enabled == BFI_PBC_PORT_DISABLED) {
+		bfa_trc(bfa, fcport->pwwn);
+		return BFA_STATUS_PBC;
+	}
+	return BFA_STATUS_OK;
+}
+
+/*
+ * Configure port speed.
+ */
+bfa_status_t
+bfa_fcport_cfg_speed(struct bfa_s *bfa, enum bfa_port_speed speed)
+{
+	struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
+
+	bfa_trc(bfa, speed);
+
+	if (fcport->cfg.trunked == BFA_TRUE)
+		return BFA_STATUS_TRUNK_ENABLED;
+	if ((fcport->cfg.topology == BFA_PORT_TOPOLOGY_LOOP) &&
+			(speed == BFA_PORT_SPEED_16GBPS))
+		return BFA_STATUS_UNSUPP_SPEED;
+	if ((speed != BFA_PORT_SPEED_AUTO) && (speed > fcport->speed_sup)) {
+		bfa_trc(bfa, fcport->speed_sup);
+		return BFA_STATUS_UNSUPP_SPEED;
+	}
+
+	/* Port speed entered needs to be checked */
+	if (bfa_ioc_get_type(&fcport->bfa->ioc) == BFA_IOC_TYPE_FC) {
+		/* For CT2, 1G is not supported */
+		if ((speed == BFA_PORT_SPEED_1GBPS) &&
+		    (bfa_asic_id_ct2(bfa->ioc.pcidev.device_id)))
+			return BFA_STATUS_UNSUPP_SPEED;
+
+		/* Already checked for Auto Speed and Max Speed supp */
+		if (!(speed == BFA_PORT_SPEED_1GBPS ||
+		      speed == BFA_PORT_SPEED_2GBPS ||
+		      speed == BFA_PORT_SPEED_4GBPS ||
+		      speed == BFA_PORT_SPEED_8GBPS ||
+		      speed == BFA_PORT_SPEED_16GBPS ||
+		      speed == BFA_PORT_SPEED_AUTO))
+			return BFA_STATUS_UNSUPP_SPEED;
+	} else {
+		if (speed != BFA_PORT_SPEED_10GBPS)
+			return BFA_STATUS_UNSUPP_SPEED;
+	}
+
+	fcport->cfg.speed = speed;
+
+	return BFA_STATUS_OK;
+}
+
+/*
+ * Get current speed.
+ */
+enum bfa_port_speed
+bfa_fcport_get_speed(struct bfa_s *bfa)
+{
+	struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
+
+	return fcport->speed;
+}
+
+/*
+ * Configure port topology.
+ */
+bfa_status_t
+bfa_fcport_cfg_topology(struct bfa_s *bfa, enum bfa_port_topology topology)
+{
+	struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
+
+	bfa_trc(bfa, topology);
+	bfa_trc(bfa, fcport->cfg.topology);
+
+	switch (topology) {
+	case BFA_PORT_TOPOLOGY_P2P:
+		break;
+
+	case BFA_PORT_TOPOLOGY_LOOP:
+		if ((bfa_fcport_is_qos_enabled(bfa) != BFA_FALSE) ||
+			(fcport->qos_attr.state != BFA_QOS_DISABLED))
+			return BFA_STATUS_ERROR_QOS_ENABLED;
+		if (fcport->cfg.ratelimit != BFA_FALSE)
+			return BFA_STATUS_ERROR_TRL_ENABLED;
+		if ((bfa_fcport_is_trunk_enabled(bfa) != BFA_FALSE) ||
+			(fcport->trunk.attr.state != BFA_TRUNK_DISABLED))
+			return BFA_STATUS_ERROR_TRUNK_ENABLED;
+		if ((bfa_fcport_get_speed(bfa) == BFA_PORT_SPEED_16GBPS) ||
+			(fcport->cfg.speed == BFA_PORT_SPEED_16GBPS))
+			return BFA_STATUS_UNSUPP_SPEED;
+		if (bfa_mfg_is_mezz(bfa->ioc.attr->card_type))
+			return BFA_STATUS_LOOP_UNSUPP_MEZZ;
+		if (bfa_fcport_is_dport(bfa) != BFA_FALSE)
+			return BFA_STATUS_DPORT_ERR;
+		if (bfa_fcport_is_ddport(bfa) != BFA_FALSE)
+			return BFA_STATUS_DPORT_ERR;
+		break;
+
+	case BFA_PORT_TOPOLOGY_AUTO:
+		break;
+
+	default:
+		return BFA_STATUS_EINVAL;
+	}
+
+	fcport->cfg.topology = topology;
+	return BFA_STATUS_OK;
+}
+
+/*
+ * Get current topology.
+ */
+enum bfa_port_topology
+bfa_fcport_get_topology(struct bfa_s *bfa)
+{
+	struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
+
+	return fcport->topology;
+}
+
+/*
+ * Get config topology.
+ */
+enum bfa_port_topology
+bfa_fcport_get_cfg_topology(struct bfa_s *bfa)
+{
+	struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
+
+	return fcport->cfg.topology;
+}
+
+bfa_status_t
+bfa_fcport_cfg_hardalpa(struct bfa_s *bfa, u8 alpa)
+{
+	struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
+
+	bfa_trc(bfa, alpa);
+	bfa_trc(bfa, fcport->cfg.cfg_hardalpa);
+	bfa_trc(bfa, fcport->cfg.hardalpa);
+
+	fcport->cfg.cfg_hardalpa = BFA_TRUE;
+	fcport->cfg.hardalpa = alpa;
+
+	return BFA_STATUS_OK;
+}
+
+bfa_status_t
+bfa_fcport_clr_hardalpa(struct bfa_s *bfa)
+{
+	struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
+
+	bfa_trc(bfa, fcport->cfg.cfg_hardalpa);
+	bfa_trc(bfa, fcport->cfg.hardalpa);
+
+	fcport->cfg.cfg_hardalpa = BFA_FALSE;
+	return BFA_STATUS_OK;
+}
+
+bfa_boolean_t
+bfa_fcport_get_hardalpa(struct bfa_s *bfa, u8 *alpa)
+{
+	struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
+
+	*alpa = fcport->cfg.hardalpa;
+	return fcport->cfg.cfg_hardalpa;
+}
+
+u8
+bfa_fcport_get_myalpa(struct bfa_s *bfa)
+{
+	struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
+
+	return fcport->myalpa;
+}
+
+bfa_status_t
+bfa_fcport_cfg_maxfrsize(struct bfa_s *bfa, u16 maxfrsize)
+{
+	struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
+
+	bfa_trc(bfa, maxfrsize);
+	bfa_trc(bfa, fcport->cfg.maxfrsize);
+
+	/* with in range */
+	if ((maxfrsize > FC_MAX_PDUSZ) || (maxfrsize < FC_MIN_PDUSZ))
+		return BFA_STATUS_INVLD_DFSZ;
+
+	/* power of 2, if not the max frame size of 2112 */
+	if ((maxfrsize != FC_MAX_PDUSZ) && (maxfrsize & (maxfrsize - 1)))
+		return BFA_STATUS_INVLD_DFSZ;
+
+	fcport->cfg.maxfrsize = maxfrsize;
+	return BFA_STATUS_OK;
+}
+
+u16
+bfa_fcport_get_maxfrsize(struct bfa_s *bfa)
+{
+	struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
+
+	return fcport->cfg.maxfrsize;
+}
+
+u8
+bfa_fcport_get_rx_bbcredit(struct bfa_s *bfa)
+{
+	if (bfa_fcport_get_topology(bfa) != BFA_PORT_TOPOLOGY_LOOP)
+		return (BFA_FCPORT_MOD(bfa))->cfg.rx_bbcredit;
+
+	else
+		return 0;
+}
+
+void
+bfa_fcport_set_tx_bbcredit(struct bfa_s *bfa, u16 tx_bbcredit)
+{
+	struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
+
+	fcport->cfg.tx_bbcredit = (u8)tx_bbcredit;
+}
+
+/*
+ * Get port attributes.
+ */
+
+wwn_t
+bfa_fcport_get_wwn(struct bfa_s *bfa, bfa_boolean_t node)
+{
+	struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
+	if (node)
+		return fcport->nwwn;
+	else
+		return fcport->pwwn;
+}
+
+void
+bfa_fcport_get_attr(struct bfa_s *bfa, struct bfa_port_attr_s *attr)
+{
+	struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
+
+	memset(attr, 0, sizeof(struct bfa_port_attr_s));
+
+	attr->nwwn = fcport->nwwn;
+	attr->pwwn = fcport->pwwn;
+
+	attr->factorypwwn =  bfa->ioc.attr->mfg_pwwn;
+	attr->factorynwwn =  bfa->ioc.attr->mfg_nwwn;
+
+	memcpy(&attr->pport_cfg, &fcport->cfg,
+		sizeof(struct bfa_port_cfg_s));
+	/* speed attributes */
+	attr->pport_cfg.speed = fcport->cfg.speed;
+	attr->speed_supported = fcport->speed_sup;
+	attr->speed = fcport->speed;
+	attr->cos_supported = FC_CLASS_3;
+
+	/* topology attributes */
+	attr->pport_cfg.topology = fcport->cfg.topology;
+	attr->topology = fcport->topology;
+	attr->pport_cfg.trunked = fcport->cfg.trunked;
+
+	/* beacon attributes */
+	attr->beacon = fcport->beacon;
+	attr->link_e2e_beacon = fcport->link_e2e_beacon;
+
+	attr->pport_cfg.path_tov  = bfa_fcpim_path_tov_get(bfa);
+	attr->pport_cfg.q_depth  = bfa_fcpim_qdepth_get(bfa);
+	attr->port_state = bfa_sm_to_state(hal_port_sm_table, fcport->sm);
+
+	attr->fec_state = fcport->fec_state;
+
+	/* PBC Disabled State */
+	if (bfa_fcport_is_pbcdisabled(bfa))
+		attr->port_state = BFA_PORT_ST_PREBOOT_DISABLED;
+	else {
+		if (bfa_ioc_is_disabled(&fcport->bfa->ioc))
+			attr->port_state = BFA_PORT_ST_IOCDIS;
+		else if (bfa_ioc_fw_mismatch(&fcport->bfa->ioc))
+			attr->port_state = BFA_PORT_ST_FWMISMATCH;
+	}
+
+	/* FCoE vlan */
+	attr->fcoe_vlan = fcport->fcoe_vlan;
+}
+
+#define BFA_FCPORT_STATS_TOV	1000
+
+/*
+ * Fetch port statistics (FCQoS or FCoE).
+ */
+bfa_status_t
+bfa_fcport_get_stats(struct bfa_s *bfa, struct bfa_cb_pending_q_s *cb)
+{
+	struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
+
+	if (!bfa_iocfc_is_operational(bfa) ||
+	    !fcport->stats_dma_ready)
+		return BFA_STATUS_IOC_NON_OP;
+
+	if (!list_empty(&fcport->statsclr_pending_q))
+		return BFA_STATUS_DEVBUSY;
+
+	if (list_empty(&fcport->stats_pending_q)) {
+		list_add_tail(&cb->hcb_qe.qe, &fcport->stats_pending_q);
+		bfa_fcport_send_stats_get(fcport);
+		bfa_timer_start(bfa, &fcport->timer,
+				bfa_fcport_stats_get_timeout,
+				fcport, BFA_FCPORT_STATS_TOV);
+	} else
+		list_add_tail(&cb->hcb_qe.qe, &fcport->stats_pending_q);
+
+	return BFA_STATUS_OK;
+}
+
+/*
+ * Reset port statistics (FCQoS or FCoE).
+ */
+bfa_status_t
+bfa_fcport_clear_stats(struct bfa_s *bfa, struct bfa_cb_pending_q_s *cb)
+{
+	struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
+
+	if (!bfa_iocfc_is_operational(bfa) ||
+	    !fcport->stats_dma_ready)
+		return BFA_STATUS_IOC_NON_OP;
+
+	if (!list_empty(&fcport->stats_pending_q))
+		return BFA_STATUS_DEVBUSY;
+
+	if (list_empty(&fcport->statsclr_pending_q)) {
+		list_add_tail(&cb->hcb_qe.qe, &fcport->statsclr_pending_q);
+		bfa_fcport_send_stats_clear(fcport);
+		bfa_timer_start(bfa, &fcport->timer,
+				bfa_fcport_stats_clr_timeout,
+				fcport, BFA_FCPORT_STATS_TOV);
+	} else
+		list_add_tail(&cb->hcb_qe.qe, &fcport->statsclr_pending_q);
+
+	return BFA_STATUS_OK;
+}
+
+/*
+ * Fetch port attributes.
+ */
+bfa_boolean_t
+bfa_fcport_is_disabled(struct bfa_s *bfa)
+{
+	struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
+
+	return bfa_sm_to_state(hal_port_sm_table, fcport->sm) ==
+		BFA_PORT_ST_DISABLED;
+
+}
+
+bfa_boolean_t
+bfa_fcport_is_dport(struct bfa_s *bfa)
+{
+	struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
+
+	return (bfa_sm_to_state(hal_port_sm_table, fcport->sm) ==
+		BFA_PORT_ST_DPORT);
+}
+
+bfa_boolean_t
+bfa_fcport_is_ddport(struct bfa_s *bfa)
+{
+	struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
+
+	return (bfa_sm_to_state(hal_port_sm_table, fcport->sm) ==
+		BFA_PORT_ST_DDPORT);
+}
+
+bfa_status_t
+bfa_fcport_set_qos_bw(struct bfa_s *bfa, struct bfa_qos_bw_s *qos_bw)
+{
+	struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
+	enum bfa_ioc_type_e ioc_type = bfa_get_type(bfa);
+
+	bfa_trc(bfa, ioc_type);
+
+	if ((qos_bw->high == 0) || (qos_bw->med == 0) || (qos_bw->low == 0))
+		return BFA_STATUS_QOS_BW_INVALID;
+
+	if ((qos_bw->high + qos_bw->med + qos_bw->low) != 100)
+		return BFA_STATUS_QOS_BW_INVALID;
+
+	if ((qos_bw->med > qos_bw->high) || (qos_bw->low > qos_bw->med) ||
+	    (qos_bw->low > qos_bw->high))
+		return BFA_STATUS_QOS_BW_INVALID;
+
+	if ((ioc_type == BFA_IOC_TYPE_FC) &&
+	    (fcport->cfg.topology != BFA_PORT_TOPOLOGY_LOOP))
+		fcport->cfg.qos_bw = *qos_bw;
+
+	return BFA_STATUS_OK;
+}
+
+bfa_boolean_t
+bfa_fcport_is_ratelim(struct bfa_s *bfa)
+{
+	struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
+
+	return fcport->cfg.ratelimit ? BFA_TRUE : BFA_FALSE;
+
+}
+
+/*
+ *	Enable/Disable FAA feature in port config
+ */
+void
+bfa_fcport_cfg_faa(struct bfa_s *bfa, u8 state)
+{
+	struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
+
+	bfa_trc(bfa, state);
+	fcport->cfg.faa_state = state;
+}
+
+/*
+ * Get default minimum ratelim speed
+ */
+enum bfa_port_speed
+bfa_fcport_get_ratelim_speed(struct bfa_s *bfa)
+{
+	struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
+
+	bfa_trc(bfa, fcport->cfg.trl_def_speed);
+	return fcport->cfg.trl_def_speed;
+
+}
+
+void
+bfa_fcport_beacon(void *dev, bfa_boolean_t beacon,
+		  bfa_boolean_t link_e2e_beacon)
+{
+	struct bfa_s *bfa = dev;
+	struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
+
+	bfa_trc(bfa, beacon);
+	bfa_trc(bfa, link_e2e_beacon);
+	bfa_trc(bfa, fcport->beacon);
+	bfa_trc(bfa, fcport->link_e2e_beacon);
+
+	fcport->beacon = beacon;
+	fcport->link_e2e_beacon = link_e2e_beacon;
+}
+
+bfa_boolean_t
+bfa_fcport_is_linkup(struct bfa_s *bfa)
+{
+	struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
+
+	return	(!fcport->cfg.trunked &&
+		 bfa_sm_cmp_state(fcport, bfa_fcport_sm_linkup)) ||
+		(fcport->cfg.trunked &&
+		 fcport->trunk.attr.state == BFA_TRUNK_ONLINE);
+}
+
+bfa_boolean_t
+bfa_fcport_is_qos_enabled(struct bfa_s *bfa)
+{
+	struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
+
+	return fcport->cfg.qos_enabled;
+}
+
+bfa_boolean_t
+bfa_fcport_is_trunk_enabled(struct bfa_s *bfa)
+{
+	struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
+
+	return fcport->cfg.trunked;
+}
+
+bfa_status_t
+bfa_fcport_cfg_bbcr(struct bfa_s *bfa, bfa_boolean_t on_off, u8 bb_scn)
+{
+	struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
+
+	bfa_trc(bfa, on_off);
+
+	if (bfa_ioc_get_type(&fcport->bfa->ioc) != BFA_IOC_TYPE_FC)
+		return BFA_STATUS_BBCR_FC_ONLY;
+
+	if (bfa_mfg_is_mezz(bfa->ioc.attr->card_type) &&
+		(bfa->ioc.attr->card_type != BFA_MFG_TYPE_CHINOOK))
+		return BFA_STATUS_CMD_NOTSUPP_MEZZ;
+
+	if (on_off) {
+		if (fcport->cfg.topology == BFA_PORT_TOPOLOGY_LOOP)
+			return BFA_STATUS_TOPOLOGY_LOOP;
+
+		if (fcport->cfg.qos_enabled)
+			return BFA_STATUS_ERROR_QOS_ENABLED;
+
+		if (fcport->cfg.trunked)
+			return BFA_STATUS_TRUNK_ENABLED;
+
+		if ((fcport->cfg.speed != BFA_PORT_SPEED_AUTO) &&
+			(fcport->cfg.speed < bfa_ioc_speed_sup(&bfa->ioc)))
+			return BFA_STATUS_ERR_BBCR_SPEED_UNSUPPORT;
+
+		if (bfa_ioc_speed_sup(&bfa->ioc) < BFA_PORT_SPEED_8GBPS)
+			return BFA_STATUS_FEATURE_NOT_SUPPORTED;
+
+		if (fcport->cfg.bb_cr_enabled) {
+			if (bb_scn != fcport->cfg.bb_scn)
+				return BFA_STATUS_BBCR_CFG_NO_CHANGE;
+			else
+				return BFA_STATUS_NO_CHANGE;
+		}
+
+		if ((bb_scn == 0) || (bb_scn > BFA_BB_SCN_MAX))
+			bb_scn = BFA_BB_SCN_DEF;
+
+		fcport->cfg.bb_cr_enabled = on_off;
+		fcport->cfg.bb_scn = bb_scn;
+	} else {
+		if (!fcport->cfg.bb_cr_enabled)
+			return BFA_STATUS_NO_CHANGE;
+
+		fcport->cfg.bb_cr_enabled = on_off;
+		fcport->cfg.bb_scn = 0;
+	}
+
+	return BFA_STATUS_OK;
+}
+
+bfa_status_t
+bfa_fcport_get_bbcr_attr(struct bfa_s *bfa,
+		struct bfa_bbcr_attr_s *bbcr_attr)
+{
+	struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
+
+	if (bfa_ioc_get_type(&fcport->bfa->ioc) != BFA_IOC_TYPE_FC)
+		return BFA_STATUS_BBCR_FC_ONLY;
+
+	if (fcport->cfg.topology == BFA_PORT_TOPOLOGY_LOOP)
+		return BFA_STATUS_TOPOLOGY_LOOP;
+
+	*bbcr_attr = fcport->bbcr_attr;
+
+	return BFA_STATUS_OK;
+}
+
+void
+bfa_fcport_dportenable(struct bfa_s *bfa)
+{
+	/*
+	 * Assume caller check for port is in disable state
+	 */
+	bfa_sm_send_event(BFA_FCPORT_MOD(bfa), BFA_FCPORT_SM_DPORTENABLE);
+	bfa_port_set_dportenabled(&bfa->modules.port, BFA_TRUE);
+}
+
+void
+bfa_fcport_dportdisable(struct bfa_s *bfa)
+{
+	/*
+	 * Assume caller check for port is in disable state
+	 */
+	bfa_sm_send_event(BFA_FCPORT_MOD(bfa), BFA_FCPORT_SM_DPORTDISABLE);
+	bfa_port_set_dportenabled(&bfa->modules.port, BFA_FALSE);
+}
+
+static void
+bfa_fcport_ddportenable(struct bfa_s *bfa)
+{
+	/*
+	 * Assume caller check for port is in disable state
+	 */
+	bfa_sm_send_event(BFA_FCPORT_MOD(bfa), BFA_FCPORT_SM_DDPORTENABLE);
+}
+
+static void
+bfa_fcport_ddportdisable(struct bfa_s *bfa)
+{
+	/*
+	 * Assume caller check for port is in disable state
+	 */
+	bfa_sm_send_event(BFA_FCPORT_MOD(bfa), BFA_FCPORT_SM_DDPORTDISABLE);
+}
+
+/*
+ * Rport State machine functions
+ */
+/*
+ * Beginning state, only online event expected.
+ */
+static void
+bfa_rport_sm_uninit(struct bfa_rport_s *rp, enum bfa_rport_event event)
+{
+	bfa_trc(rp->bfa, rp->rport_tag);
+	bfa_trc(rp->bfa, event);
+
+	switch (event) {
+	case BFA_RPORT_SM_CREATE:
+		bfa_stats(rp, sm_un_cr);
+		bfa_sm_set_state(rp, bfa_rport_sm_created);
+		break;
+
+	default:
+		bfa_stats(rp, sm_un_unexp);
+		bfa_sm_fault(rp->bfa, event);
+	}
+}
+
+static void
+bfa_rport_sm_created(struct bfa_rport_s *rp, enum bfa_rport_event event)
+{
+	bfa_trc(rp->bfa, rp->rport_tag);
+	bfa_trc(rp->bfa, event);
+
+	switch (event) {
+	case BFA_RPORT_SM_ONLINE:
+		bfa_stats(rp, sm_cr_on);
+		if (bfa_rport_send_fwcreate(rp))
+			bfa_sm_set_state(rp, bfa_rport_sm_fwcreate);
+		else
+			bfa_sm_set_state(rp, bfa_rport_sm_fwcreate_qfull);
+		break;
+
+	case BFA_RPORT_SM_DELETE:
+		bfa_stats(rp, sm_cr_del);
+		bfa_sm_set_state(rp, bfa_rport_sm_uninit);
+		bfa_rport_free(rp);
+		break;
+
+	case BFA_RPORT_SM_HWFAIL:
+		bfa_stats(rp, sm_cr_hwf);
+		bfa_sm_set_state(rp, bfa_rport_sm_iocdisable);
+		break;
+
+	default:
+		bfa_stats(rp, sm_cr_unexp);
+		bfa_sm_fault(rp->bfa, event);
+	}
+}
+
+/*
+ * Waiting for rport create response from firmware.
+ */
+static void
+bfa_rport_sm_fwcreate(struct bfa_rport_s *rp, enum bfa_rport_event event)
+{
+	bfa_trc(rp->bfa, rp->rport_tag);
+	bfa_trc(rp->bfa, event);
+
+	switch (event) {
+	case BFA_RPORT_SM_FWRSP:
+		bfa_stats(rp, sm_fwc_rsp);
+		bfa_sm_set_state(rp, bfa_rport_sm_online);
+		bfa_rport_online_cb(rp);
+		break;
+
+	case BFA_RPORT_SM_DELETE:
+		bfa_stats(rp, sm_fwc_del);
+		bfa_sm_set_state(rp, bfa_rport_sm_delete_pending);
+		break;
+
+	case BFA_RPORT_SM_OFFLINE:
+		bfa_stats(rp, sm_fwc_off);
+		bfa_sm_set_state(rp, bfa_rport_sm_offline_pending);
+		break;
+
+	case BFA_RPORT_SM_HWFAIL:
+		bfa_stats(rp, sm_fwc_hwf);
+		bfa_sm_set_state(rp, bfa_rport_sm_iocdisable);
+		break;
+
+	default:
+		bfa_stats(rp, sm_fwc_unexp);
+		bfa_sm_fault(rp->bfa, event);
+	}
+}
+
+/*
+ * Request queue is full, awaiting queue resume to send create request.
+ */
+static void
+bfa_rport_sm_fwcreate_qfull(struct bfa_rport_s *rp, enum bfa_rport_event event)
+{
+	bfa_trc(rp->bfa, rp->rport_tag);
+	bfa_trc(rp->bfa, event);
+
+	switch (event) {
+	case BFA_RPORT_SM_QRESUME:
+		bfa_sm_set_state(rp, bfa_rport_sm_fwcreate);
+		bfa_rport_send_fwcreate(rp);
+		break;
+
+	case BFA_RPORT_SM_DELETE:
+		bfa_stats(rp, sm_fwc_del);
+		bfa_sm_set_state(rp, bfa_rport_sm_uninit);
+		bfa_reqq_wcancel(&rp->reqq_wait);
+		bfa_rport_free(rp);
+		break;
+
+	case BFA_RPORT_SM_OFFLINE:
+		bfa_stats(rp, sm_fwc_off);
+		bfa_sm_set_state(rp, bfa_rport_sm_offline);
+		bfa_reqq_wcancel(&rp->reqq_wait);
+		bfa_rport_offline_cb(rp);
+		break;
+
+	case BFA_RPORT_SM_HWFAIL:
+		bfa_stats(rp, sm_fwc_hwf);
+		bfa_sm_set_state(rp, bfa_rport_sm_iocdisable);
+		bfa_reqq_wcancel(&rp->reqq_wait);
+		break;
+
+	default:
+		bfa_stats(rp, sm_fwc_unexp);
+		bfa_sm_fault(rp->bfa, event);
+	}
+}
+
+/*
+ * Online state - normal parking state.
+ */
+static void
+bfa_rport_sm_online(struct bfa_rport_s *rp, enum bfa_rport_event event)
+{
+	struct bfi_rport_qos_scn_s *qos_scn;
+
+	bfa_trc(rp->bfa, rp->rport_tag);
+	bfa_trc(rp->bfa, event);
+
+	switch (event) {
+	case BFA_RPORT_SM_OFFLINE:
+		bfa_stats(rp, sm_on_off);
+		if (bfa_rport_send_fwdelete(rp))
+			bfa_sm_set_state(rp, bfa_rport_sm_fwdelete);
+		else
+			bfa_sm_set_state(rp, bfa_rport_sm_fwdelete_qfull);
+		break;
+
+	case BFA_RPORT_SM_DELETE:
+		bfa_stats(rp, sm_on_del);
+		if (bfa_rport_send_fwdelete(rp))
+			bfa_sm_set_state(rp, bfa_rport_sm_deleting);
+		else
+			bfa_sm_set_state(rp, bfa_rport_sm_deleting_qfull);
+		break;
+
+	case BFA_RPORT_SM_HWFAIL:
+		bfa_stats(rp, sm_on_hwf);
+		bfa_sm_set_state(rp, bfa_rport_sm_iocdisable);
+		break;
+
+	case BFA_RPORT_SM_SET_SPEED:
+		bfa_rport_send_fwspeed(rp);
+		break;
+
+	case BFA_RPORT_SM_QOS_SCN:
+		qos_scn = (struct bfi_rport_qos_scn_s *) rp->event_arg.fw_msg;
+		rp->qos_attr = qos_scn->new_qos_attr;
+		bfa_trc(rp->bfa, qos_scn->old_qos_attr.qos_flow_id);
+		bfa_trc(rp->bfa, qos_scn->new_qos_attr.qos_flow_id);
+		bfa_trc(rp->bfa, qos_scn->old_qos_attr.qos_priority);
+		bfa_trc(rp->bfa, qos_scn->new_qos_attr.qos_priority);
+
+		qos_scn->old_qos_attr.qos_flow_id  =
+			be32_to_cpu(qos_scn->old_qos_attr.qos_flow_id);
+		qos_scn->new_qos_attr.qos_flow_id  =
+			be32_to_cpu(qos_scn->new_qos_attr.qos_flow_id);
+
+		if (qos_scn->old_qos_attr.qos_flow_id !=
+			qos_scn->new_qos_attr.qos_flow_id)
+			bfa_cb_rport_qos_scn_flowid(rp->rport_drv,
+						    qos_scn->old_qos_attr,
+						    qos_scn->new_qos_attr);
+		if (qos_scn->old_qos_attr.qos_priority !=
+			qos_scn->new_qos_attr.qos_priority)
+			bfa_cb_rport_qos_scn_prio(rp->rport_drv,
+						  qos_scn->old_qos_attr,
+						  qos_scn->new_qos_attr);
+		break;
+
+	default:
+		bfa_stats(rp, sm_on_unexp);
+		bfa_sm_fault(rp->bfa, event);
+	}
+}
+
+/*
+ * Firmware rport is being deleted - awaiting f/w response.
+ */
+static void
+bfa_rport_sm_fwdelete(struct bfa_rport_s *rp, enum bfa_rport_event event)
+{
+	bfa_trc(rp->bfa, rp->rport_tag);
+	bfa_trc(rp->bfa, event);
+
+	switch (event) {
+	case BFA_RPORT_SM_FWRSP:
+		bfa_stats(rp, sm_fwd_rsp);
+		bfa_sm_set_state(rp, bfa_rport_sm_offline);
+		bfa_rport_offline_cb(rp);
+		break;
+
+	case BFA_RPORT_SM_DELETE:
+		bfa_stats(rp, sm_fwd_del);
+		bfa_sm_set_state(rp, bfa_rport_sm_deleting);
+		break;
+
+	case BFA_RPORT_SM_HWFAIL:
+		bfa_stats(rp, sm_fwd_hwf);
+		bfa_sm_set_state(rp, bfa_rport_sm_iocdisable);
+		bfa_rport_offline_cb(rp);
+		break;
+
+	default:
+		bfa_stats(rp, sm_fwd_unexp);
+		bfa_sm_fault(rp->bfa, event);
+	}
+}
+
+static void
+bfa_rport_sm_fwdelete_qfull(struct bfa_rport_s *rp, enum bfa_rport_event event)
+{
+	bfa_trc(rp->bfa, rp->rport_tag);
+	bfa_trc(rp->bfa, event);
+
+	switch (event) {
+	case BFA_RPORT_SM_QRESUME:
+		bfa_sm_set_state(rp, bfa_rport_sm_fwdelete);
+		bfa_rport_send_fwdelete(rp);
+		break;
+
+	case BFA_RPORT_SM_DELETE:
+		bfa_stats(rp, sm_fwd_del);
+		bfa_sm_set_state(rp, bfa_rport_sm_deleting_qfull);
+		break;
+
+	case BFA_RPORT_SM_HWFAIL:
+		bfa_stats(rp, sm_fwd_hwf);
+		bfa_sm_set_state(rp, bfa_rport_sm_iocdisable);
+		bfa_reqq_wcancel(&rp->reqq_wait);
+		bfa_rport_offline_cb(rp);
+		break;
+
+	default:
+		bfa_stats(rp, sm_fwd_unexp);
+		bfa_sm_fault(rp->bfa, event);
+	}
+}
+
+/*
+ * Offline state.
+ */
+static void
+bfa_rport_sm_offline(struct bfa_rport_s *rp, enum bfa_rport_event event)
+{
+	bfa_trc(rp->bfa, rp->rport_tag);
+	bfa_trc(rp->bfa, event);
+
+	switch (event) {
+	case BFA_RPORT_SM_DELETE:
+		bfa_stats(rp, sm_off_del);
+		bfa_sm_set_state(rp, bfa_rport_sm_uninit);
+		bfa_rport_free(rp);
+		break;
+
+	case BFA_RPORT_SM_ONLINE:
+		bfa_stats(rp, sm_off_on);
+		if (bfa_rport_send_fwcreate(rp))
+			bfa_sm_set_state(rp, bfa_rport_sm_fwcreate);
+		else
+			bfa_sm_set_state(rp, bfa_rport_sm_fwcreate_qfull);
+		break;
+
+	case BFA_RPORT_SM_HWFAIL:
+		bfa_stats(rp, sm_off_hwf);
+		bfa_sm_set_state(rp, bfa_rport_sm_iocdisable);
+		break;
+
+	case BFA_RPORT_SM_OFFLINE:
+		bfa_rport_offline_cb(rp);
+		break;
+
+	default:
+		bfa_stats(rp, sm_off_unexp);
+		bfa_sm_fault(rp->bfa, event);
+	}
+}
+
+/*
+ * Rport is deleted, waiting for firmware response to delete.
+ */
+static void
+bfa_rport_sm_deleting(struct bfa_rport_s *rp, enum bfa_rport_event event)
+{
+	bfa_trc(rp->bfa, rp->rport_tag);
+	bfa_trc(rp->bfa, event);
+
+	switch (event) {
+	case BFA_RPORT_SM_FWRSP:
+		bfa_stats(rp, sm_del_fwrsp);
+		bfa_sm_set_state(rp, bfa_rport_sm_uninit);
+		bfa_rport_free(rp);
+		break;
+
+	case BFA_RPORT_SM_HWFAIL:
+		bfa_stats(rp, sm_del_hwf);
+		bfa_sm_set_state(rp, bfa_rport_sm_uninit);
+		bfa_rport_free(rp);
+		break;
+
+	default:
+		bfa_sm_fault(rp->bfa, event);
+	}
+}
+
+static void
+bfa_rport_sm_deleting_qfull(struct bfa_rport_s *rp, enum bfa_rport_event event)
+{
+	bfa_trc(rp->bfa, rp->rport_tag);
+	bfa_trc(rp->bfa, event);
+
+	switch (event) {
+	case BFA_RPORT_SM_QRESUME:
+		bfa_stats(rp, sm_del_fwrsp);
+		bfa_sm_set_state(rp, bfa_rport_sm_deleting);
+		bfa_rport_send_fwdelete(rp);
+		break;
+
+	case BFA_RPORT_SM_HWFAIL:
+		bfa_stats(rp, sm_del_hwf);
+		bfa_sm_set_state(rp, bfa_rport_sm_uninit);
+		bfa_reqq_wcancel(&rp->reqq_wait);
+		bfa_rport_free(rp);
+		break;
+
+	default:
+		bfa_sm_fault(rp->bfa, event);
+	}
+}
+
+/*
+ * Waiting for rport create response from firmware. A delete is pending.
+ */
+static void
+bfa_rport_sm_delete_pending(struct bfa_rport_s *rp,
+				enum bfa_rport_event event)
+{
+	bfa_trc(rp->bfa, rp->rport_tag);
+	bfa_trc(rp->bfa, event);
+
+	switch (event) {
+	case BFA_RPORT_SM_FWRSP:
+		bfa_stats(rp, sm_delp_fwrsp);
+		if (bfa_rport_send_fwdelete(rp))
+			bfa_sm_set_state(rp, bfa_rport_sm_deleting);
+		else
+			bfa_sm_set_state(rp, bfa_rport_sm_deleting_qfull);
+		break;
+
+	case BFA_RPORT_SM_HWFAIL:
+		bfa_stats(rp, sm_delp_hwf);
+		bfa_sm_set_state(rp, bfa_rport_sm_uninit);
+		bfa_rport_free(rp);
+		break;
+
+	default:
+		bfa_stats(rp, sm_delp_unexp);
+		bfa_sm_fault(rp->bfa, event);
+	}
+}
+
+/*
+ * Waiting for rport create response from firmware. Rport offline is pending.
+ */
+static void
+bfa_rport_sm_offline_pending(struct bfa_rport_s *rp,
+				 enum bfa_rport_event event)
+{
+	bfa_trc(rp->bfa, rp->rport_tag);
+	bfa_trc(rp->bfa, event);
+
+	switch (event) {
+	case BFA_RPORT_SM_FWRSP:
+		bfa_stats(rp, sm_offp_fwrsp);
+		if (bfa_rport_send_fwdelete(rp))
+			bfa_sm_set_state(rp, bfa_rport_sm_fwdelete);
+		else
+			bfa_sm_set_state(rp, bfa_rport_sm_fwdelete_qfull);
+		break;
+
+	case BFA_RPORT_SM_DELETE:
+		bfa_stats(rp, sm_offp_del);
+		bfa_sm_set_state(rp, bfa_rport_sm_delete_pending);
+		break;
+
+	case BFA_RPORT_SM_HWFAIL:
+		bfa_stats(rp, sm_offp_hwf);
+		bfa_sm_set_state(rp, bfa_rport_sm_iocdisable);
+		bfa_rport_offline_cb(rp);
+		break;
+
+	default:
+		bfa_stats(rp, sm_offp_unexp);
+		bfa_sm_fault(rp->bfa, event);
+	}
+}
+
+/*
+ * IOC h/w failed.
+ */
+static void
+bfa_rport_sm_iocdisable(struct bfa_rport_s *rp, enum bfa_rport_event event)
+{
+	bfa_trc(rp->bfa, rp->rport_tag);
+	bfa_trc(rp->bfa, event);
+
+	switch (event) {
+	case BFA_RPORT_SM_OFFLINE:
+		bfa_stats(rp, sm_iocd_off);
+		bfa_rport_offline_cb(rp);
+		break;
+
+	case BFA_RPORT_SM_DELETE:
+		bfa_stats(rp, sm_iocd_del);
+		bfa_sm_set_state(rp, bfa_rport_sm_uninit);
+		bfa_rport_free(rp);
+		break;
+
+	case BFA_RPORT_SM_ONLINE:
+		bfa_stats(rp, sm_iocd_on);
+		if (bfa_rport_send_fwcreate(rp))
+			bfa_sm_set_state(rp, bfa_rport_sm_fwcreate);
+		else
+			bfa_sm_set_state(rp, bfa_rport_sm_fwcreate_qfull);
+		break;
+
+	case BFA_RPORT_SM_HWFAIL:
+		break;
+
+	default:
+		bfa_stats(rp, sm_iocd_unexp);
+		bfa_sm_fault(rp->bfa, event);
+	}
+}
+
+
+
+/*
+ *  bfa_rport_private BFA rport private functions
+ */
+
+static void
+__bfa_cb_rport_online(void *cbarg, bfa_boolean_t complete)
+{
+	struct bfa_rport_s *rp = cbarg;
+
+	if (complete)
+		bfa_cb_rport_online(rp->rport_drv);
+}
+
+static void
+__bfa_cb_rport_offline(void *cbarg, bfa_boolean_t complete)
+{
+	struct bfa_rport_s *rp = cbarg;
+
+	if (complete)
+		bfa_cb_rport_offline(rp->rport_drv);
+}
+
+static void
+bfa_rport_qresume(void *cbarg)
+{
+	struct bfa_rport_s	*rp = cbarg;
+
+	bfa_sm_send_event(rp, BFA_RPORT_SM_QRESUME);
+}
+
+void
+bfa_rport_meminfo(struct bfa_iocfc_cfg_s *cfg, struct bfa_meminfo_s *minfo,
+		struct bfa_s *bfa)
+{
+	struct bfa_mem_kva_s *rport_kva = BFA_MEM_RPORT_KVA(bfa);
+
+	if (cfg->fwcfg.num_rports < BFA_RPORT_MIN)
+		cfg->fwcfg.num_rports = BFA_RPORT_MIN;
+
+	/* kva memory */
+	bfa_mem_kva_setup(minfo, rport_kva,
+		cfg->fwcfg.num_rports * sizeof(struct bfa_rport_s));
+}
+
+void
+bfa_rport_attach(struct bfa_s *bfa, void *bfad, struct bfa_iocfc_cfg_s *cfg,
+		struct bfa_pcidev_s *pcidev)
+{
+	struct bfa_rport_mod_s *mod = BFA_RPORT_MOD(bfa);
+	struct bfa_rport_s *rp;
+	u16 i;
+
+	INIT_LIST_HEAD(&mod->rp_free_q);
+	INIT_LIST_HEAD(&mod->rp_active_q);
+	INIT_LIST_HEAD(&mod->rp_unused_q);
+
+	rp = (struct bfa_rport_s *) bfa_mem_kva_curp(mod);
+	mod->rps_list = rp;
+	mod->num_rports = cfg->fwcfg.num_rports;
+
+	WARN_ON(!mod->num_rports ||
+		   (mod->num_rports & (mod->num_rports - 1)));
+
+	for (i = 0; i < mod->num_rports; i++, rp++) {
+		memset(rp, 0, sizeof(struct bfa_rport_s));
+		rp->bfa = bfa;
+		rp->rport_tag = i;
+		bfa_sm_set_state(rp, bfa_rport_sm_uninit);
+
+		/*
+		 *  - is unused
+		 */
+		if (i)
+			list_add_tail(&rp->qe, &mod->rp_free_q);
+
+		bfa_reqq_winit(&rp->reqq_wait, bfa_rport_qresume, rp);
+	}
+
+	/*
+	 * consume memory
+	 */
+	bfa_mem_kva_curp(mod) = (u8 *) rp;
+}
+
+void
+bfa_rport_iocdisable(struct bfa_s *bfa)
+{
+	struct bfa_rport_mod_s *mod = BFA_RPORT_MOD(bfa);
+	struct bfa_rport_s *rport;
+	struct list_head *qe, *qen;
+
+	/* Enqueue unused rport resources to free_q */
+	list_splice_tail_init(&mod->rp_unused_q, &mod->rp_free_q);
+
+	list_for_each_safe(qe, qen, &mod->rp_active_q) {
+		rport = (struct bfa_rport_s *) qe;
+		bfa_sm_send_event(rport, BFA_RPORT_SM_HWFAIL);
+	}
+}
+
+static struct bfa_rport_s *
+bfa_rport_alloc(struct bfa_rport_mod_s *mod)
+{
+	struct bfa_rport_s *rport;
+
+	bfa_q_deq(&mod->rp_free_q, &rport);
+	if (rport)
+		list_add_tail(&rport->qe, &mod->rp_active_q);
+
+	return rport;
+}
+
+static void
+bfa_rport_free(struct bfa_rport_s *rport)
+{
+	struct bfa_rport_mod_s *mod = BFA_RPORT_MOD(rport->bfa);
+
+	WARN_ON(!bfa_q_is_on_q(&mod->rp_active_q, rport));
+	list_del(&rport->qe);
+	list_add_tail(&rport->qe, &mod->rp_free_q);
+}
+
+static bfa_boolean_t
+bfa_rport_send_fwcreate(struct bfa_rport_s *rp)
+{
+	struct bfi_rport_create_req_s *m;
+
+	/*
+	 * check for room in queue to send request now
+	 */
+	m = bfa_reqq_next(rp->bfa, BFA_REQQ_RPORT);
+	if (!m) {
+		bfa_reqq_wait(rp->bfa, BFA_REQQ_RPORT, &rp->reqq_wait);
+		return BFA_FALSE;
+	}
+
+	bfi_h2i_set(m->mh, BFI_MC_RPORT, BFI_RPORT_H2I_CREATE_REQ,
+			bfa_fn_lpu(rp->bfa));
+	m->bfa_handle = rp->rport_tag;
+	m->max_frmsz = cpu_to_be16(rp->rport_info.max_frmsz);
+	m->pid = rp->rport_info.pid;
+	m->lp_fwtag = bfa_lps_get_fwtag(rp->bfa, (u8)rp->rport_info.lp_tag);
+	m->local_pid = rp->rport_info.local_pid;
+	m->fc_class = rp->rport_info.fc_class;
+	m->vf_en = rp->rport_info.vf_en;
+	m->vf_id = rp->rport_info.vf_id;
+	m->cisc = rp->rport_info.cisc;
+
+	/*
+	 * queue I/O message to firmware
+	 */
+	bfa_reqq_produce(rp->bfa, BFA_REQQ_RPORT, m->mh);
+	return BFA_TRUE;
+}
+
+static bfa_boolean_t
+bfa_rport_send_fwdelete(struct bfa_rport_s *rp)
+{
+	struct bfi_rport_delete_req_s *m;
+
+	/*
+	 * check for room in queue to send request now
+	 */
+	m = bfa_reqq_next(rp->bfa, BFA_REQQ_RPORT);
+	if (!m) {
+		bfa_reqq_wait(rp->bfa, BFA_REQQ_RPORT, &rp->reqq_wait);
+		return BFA_FALSE;
+	}
+
+	bfi_h2i_set(m->mh, BFI_MC_RPORT, BFI_RPORT_H2I_DELETE_REQ,
+			bfa_fn_lpu(rp->bfa));
+	m->fw_handle = rp->fw_handle;
+
+	/*
+	 * queue I/O message to firmware
+	 */
+	bfa_reqq_produce(rp->bfa, BFA_REQQ_RPORT, m->mh);
+	return BFA_TRUE;
+}
+
+static bfa_boolean_t
+bfa_rport_send_fwspeed(struct bfa_rport_s *rp)
+{
+	struct bfa_rport_speed_req_s *m;
+
+	/*
+	 * check for room in queue to send request now
+	 */
+	m = bfa_reqq_next(rp->bfa, BFA_REQQ_RPORT);
+	if (!m) {
+		bfa_trc(rp->bfa, rp->rport_info.speed);
+		return BFA_FALSE;
+	}
+
+	bfi_h2i_set(m->mh, BFI_MC_RPORT, BFI_RPORT_H2I_SET_SPEED_REQ,
+			bfa_fn_lpu(rp->bfa));
+	m->fw_handle = rp->fw_handle;
+	m->speed = (u8)rp->rport_info.speed;
+
+	/*
+	 * queue I/O message to firmware
+	 */
+	bfa_reqq_produce(rp->bfa, BFA_REQQ_RPORT, m->mh);
+	return BFA_TRUE;
+}
+
+
+
+/*
+ *  bfa_rport_public
+ */
+
+/*
+ * Rport interrupt processing.
+ */
+void
+bfa_rport_isr(struct bfa_s *bfa, struct bfi_msg_s *m)
+{
+	union bfi_rport_i2h_msg_u msg;
+	struct bfa_rport_s *rp;
+
+	bfa_trc(bfa, m->mhdr.msg_id);
+
+	msg.msg = m;
+
+	switch (m->mhdr.msg_id) {
+	case BFI_RPORT_I2H_CREATE_RSP:
+		rp = BFA_RPORT_FROM_TAG(bfa, msg.create_rsp->bfa_handle);
+		rp->fw_handle = msg.create_rsp->fw_handle;
+		rp->qos_attr = msg.create_rsp->qos_attr;
+		bfa_rport_set_lunmask(bfa, rp);
+		WARN_ON(msg.create_rsp->status != BFA_STATUS_OK);
+		bfa_sm_send_event(rp, BFA_RPORT_SM_FWRSP);
+		break;
+
+	case BFI_RPORT_I2H_DELETE_RSP:
+		rp = BFA_RPORT_FROM_TAG(bfa, msg.delete_rsp->bfa_handle);
+		WARN_ON(msg.delete_rsp->status != BFA_STATUS_OK);
+		bfa_rport_unset_lunmask(bfa, rp);
+		bfa_sm_send_event(rp, BFA_RPORT_SM_FWRSP);
+		break;
+
+	case BFI_RPORT_I2H_QOS_SCN:
+		rp = BFA_RPORT_FROM_TAG(bfa, msg.qos_scn_evt->bfa_handle);
+		rp->event_arg.fw_msg = msg.qos_scn_evt;
+		bfa_sm_send_event(rp, BFA_RPORT_SM_QOS_SCN);
+		break;
+
+	case BFI_RPORT_I2H_LIP_SCN_ONLINE:
+		bfa_fcport_update_loop_info(BFA_FCPORT_MOD(bfa),
+				&msg.lip_scn->loop_info);
+		bfa_cb_rport_scn_online(bfa);
+		break;
+
+	case BFI_RPORT_I2H_LIP_SCN_OFFLINE:
+		bfa_cb_rport_scn_offline(bfa);
+		break;
+
+	case BFI_RPORT_I2H_NO_DEV:
+		rp = BFA_RPORT_FROM_TAG(bfa, msg.lip_scn->bfa_handle);
+		bfa_cb_rport_scn_no_dev(rp->rport_drv);
+		break;
+
+	default:
+		bfa_trc(bfa, m->mhdr.msg_id);
+		WARN_ON(1);
+	}
+}
+
+void
+bfa_rport_res_recfg(struct bfa_s *bfa, u16 num_rport_fw)
+{
+	struct bfa_rport_mod_s	*mod = BFA_RPORT_MOD(bfa);
+	struct list_head	*qe;
+	int	i;
+
+	for (i = 0; i < (mod->num_rports - num_rport_fw); i++) {
+		bfa_q_deq_tail(&mod->rp_free_q, &qe);
+		list_add_tail(qe, &mod->rp_unused_q);
+	}
+}
+
+/*
+ *  bfa_rport_api
+ */
+
+struct bfa_rport_s *
+bfa_rport_create(struct bfa_s *bfa, void *rport_drv)
+{
+	struct bfa_rport_s *rp;
+
+	rp = bfa_rport_alloc(BFA_RPORT_MOD(bfa));
+
+	if (rp == NULL)
+		return NULL;
+
+	rp->bfa = bfa;
+	rp->rport_drv = rport_drv;
+	memset(&rp->stats, 0, sizeof(rp->stats));
+
+	WARN_ON(!bfa_sm_cmp_state(rp, bfa_rport_sm_uninit));
+	bfa_sm_send_event(rp, BFA_RPORT_SM_CREATE);
+
+	return rp;
+}
+
+void
+bfa_rport_online(struct bfa_rport_s *rport, struct bfa_rport_info_s *rport_info)
+{
+	WARN_ON(rport_info->max_frmsz == 0);
+
+	/*
+	 * Some JBODs are seen to be not setting PDU size correctly in PLOGI
+	 * responses. Default to minimum size.
+	 */
+	if (rport_info->max_frmsz == 0) {
+		bfa_trc(rport->bfa, rport->rport_tag);
+		rport_info->max_frmsz = FC_MIN_PDUSZ;
+	}
+
+	rport->rport_info = *rport_info;
+	bfa_sm_send_event(rport, BFA_RPORT_SM_ONLINE);
+}
+
+void
+bfa_rport_speed(struct bfa_rport_s *rport, enum bfa_port_speed speed)
+{
+	WARN_ON(speed == 0);
+	WARN_ON(speed == BFA_PORT_SPEED_AUTO);
+
+	if (rport) {
+		rport->rport_info.speed = speed;
+		bfa_sm_send_event(rport, BFA_RPORT_SM_SET_SPEED);
+	}
+}
+
+/* Set Rport LUN Mask */
+void
+bfa_rport_set_lunmask(struct bfa_s *bfa, struct bfa_rport_s *rp)
+{
+	struct bfa_lps_mod_s	*lps_mod = BFA_LPS_MOD(bfa);
+	wwn_t	lp_wwn, rp_wwn;
+	u8 lp_tag = (u8)rp->rport_info.lp_tag;
+
+	rp_wwn = ((struct bfa_fcs_rport_s *)rp->rport_drv)->pwwn;
+	lp_wwn = (BFA_LPS_FROM_TAG(lps_mod, rp->rport_info.lp_tag))->pwwn;
+
+	BFA_LPS_FROM_TAG(lps_mod, rp->rport_info.lp_tag)->lun_mask =
+					rp->lun_mask = BFA_TRUE;
+	bfa_fcpim_lunmask_rp_update(bfa, lp_wwn, rp_wwn, rp->rport_tag, lp_tag);
+}
+
+/* Unset Rport LUN mask */
+void
+bfa_rport_unset_lunmask(struct bfa_s *bfa, struct bfa_rport_s *rp)
+{
+	struct bfa_lps_mod_s	*lps_mod = BFA_LPS_MOD(bfa);
+	wwn_t	lp_wwn, rp_wwn;
+
+	rp_wwn = ((struct bfa_fcs_rport_s *)rp->rport_drv)->pwwn;
+	lp_wwn = (BFA_LPS_FROM_TAG(lps_mod, rp->rport_info.lp_tag))->pwwn;
+
+	BFA_LPS_FROM_TAG(lps_mod, rp->rport_info.lp_tag)->lun_mask =
+				rp->lun_mask = BFA_FALSE;
+	bfa_fcpim_lunmask_rp_update(bfa, lp_wwn, rp_wwn,
+			BFA_RPORT_TAG_INVALID, BFA_LP_TAG_INVALID);
+}
+
+/*
+ * SGPG related functions
+ */
+
+/*
+ * Compute and return memory needed by FCP(im) module.
+ */
+void
+bfa_sgpg_meminfo(struct bfa_iocfc_cfg_s *cfg, struct bfa_meminfo_s *minfo,
+		struct bfa_s *bfa)
+{
+	struct bfa_sgpg_mod_s *sgpg_mod = BFA_SGPG_MOD(bfa);
+	struct bfa_mem_kva_s *sgpg_kva = BFA_MEM_SGPG_KVA(bfa);
+	struct bfa_mem_dma_s *seg_ptr;
+	u16	nsegs, idx, per_seg_sgpg, num_sgpg;
+	u32	sgpg_sz = sizeof(struct bfi_sgpg_s);
+
+	if (cfg->drvcfg.num_sgpgs < BFA_SGPG_MIN)
+		cfg->drvcfg.num_sgpgs = BFA_SGPG_MIN;
+	else if (cfg->drvcfg.num_sgpgs > BFA_SGPG_MAX)
+		cfg->drvcfg.num_sgpgs = BFA_SGPG_MAX;
+
+	num_sgpg = cfg->drvcfg.num_sgpgs;
+
+	nsegs = BFI_MEM_DMA_NSEGS(num_sgpg, sgpg_sz);
+	per_seg_sgpg = BFI_MEM_NREQS_SEG(sgpg_sz);
+
+	bfa_mem_dma_seg_iter(sgpg_mod, seg_ptr, nsegs, idx) {
+		if (num_sgpg >= per_seg_sgpg) {
+			num_sgpg -= per_seg_sgpg;
+			bfa_mem_dma_setup(minfo, seg_ptr,
+					per_seg_sgpg * sgpg_sz);
+		} else
+			bfa_mem_dma_setup(minfo, seg_ptr,
+					num_sgpg * sgpg_sz);
+	}
+
+	/* kva memory */
+	bfa_mem_kva_setup(minfo, sgpg_kva,
+		cfg->drvcfg.num_sgpgs * sizeof(struct bfa_sgpg_s));
+}
+
+void
+bfa_sgpg_attach(struct bfa_s *bfa, void *bfad, struct bfa_iocfc_cfg_s *cfg,
+		struct bfa_pcidev_s *pcidev)
+{
+	struct bfa_sgpg_mod_s *mod = BFA_SGPG_MOD(bfa);
+	struct bfa_sgpg_s *hsgpg;
+	struct bfi_sgpg_s *sgpg;
+	u64 align_len;
+	struct bfa_mem_dma_s *seg_ptr;
+	u32	sgpg_sz = sizeof(struct bfi_sgpg_s);
+	u16	i, idx, nsegs, per_seg_sgpg, num_sgpg;
+
+	union {
+		u64 pa;
+		union bfi_addr_u addr;
+	} sgpg_pa, sgpg_pa_tmp;
+
+	INIT_LIST_HEAD(&mod->sgpg_q);
+	INIT_LIST_HEAD(&mod->sgpg_wait_q);
+
+	bfa_trc(bfa, cfg->drvcfg.num_sgpgs);
+
+	mod->free_sgpgs = mod->num_sgpgs = cfg->drvcfg.num_sgpgs;
+
+	num_sgpg = cfg->drvcfg.num_sgpgs;
+	nsegs = BFI_MEM_DMA_NSEGS(num_sgpg, sgpg_sz);
+
+	/* dma/kva mem claim */
+	hsgpg = (struct bfa_sgpg_s *) bfa_mem_kva_curp(mod);
+
+	bfa_mem_dma_seg_iter(mod, seg_ptr, nsegs, idx) {
+
+		if (!bfa_mem_dma_virt(seg_ptr))
+			break;
+
+		align_len = BFA_SGPG_ROUNDUP(bfa_mem_dma_phys(seg_ptr)) -
+					     bfa_mem_dma_phys(seg_ptr);
+
+		sgpg = (struct bfi_sgpg_s *)
+			(((u8 *) bfa_mem_dma_virt(seg_ptr)) + align_len);
+		sgpg_pa.pa = bfa_mem_dma_phys(seg_ptr) + align_len;
+		WARN_ON(sgpg_pa.pa & (sgpg_sz - 1));
+
+		per_seg_sgpg = (seg_ptr->mem_len - (u32)align_len) / sgpg_sz;
+
+		for (i = 0; num_sgpg > 0 && i < per_seg_sgpg; i++, num_sgpg--) {
+			memset(hsgpg, 0, sizeof(*hsgpg));
+			memset(sgpg, 0, sizeof(*sgpg));
+
+			hsgpg->sgpg = sgpg;
+			sgpg_pa_tmp.pa = bfa_sgaddr_le(sgpg_pa.pa);
+			hsgpg->sgpg_pa = sgpg_pa_tmp.addr;
+			list_add_tail(&hsgpg->qe, &mod->sgpg_q);
+
+			sgpg++;
+			hsgpg++;
+			sgpg_pa.pa += sgpg_sz;
+		}
+	}
+
+	bfa_mem_kva_curp(mod) = (u8 *) hsgpg;
+}
+
+bfa_status_t
+bfa_sgpg_malloc(struct bfa_s *bfa, struct list_head *sgpg_q, int nsgpgs)
+{
+	struct bfa_sgpg_mod_s *mod = BFA_SGPG_MOD(bfa);
+	struct bfa_sgpg_s *hsgpg;
+	int i;
+
+	if (mod->free_sgpgs < nsgpgs)
+		return BFA_STATUS_ENOMEM;
+
+	for (i = 0; i < nsgpgs; i++) {
+		bfa_q_deq(&mod->sgpg_q, &hsgpg);
+		WARN_ON(!hsgpg);
+		list_add_tail(&hsgpg->qe, sgpg_q);
+	}
+
+	mod->free_sgpgs -= nsgpgs;
+	return BFA_STATUS_OK;
+}
+
+void
+bfa_sgpg_mfree(struct bfa_s *bfa, struct list_head *sgpg_q, int nsgpg)
+{
+	struct bfa_sgpg_mod_s *mod = BFA_SGPG_MOD(bfa);
+	struct bfa_sgpg_wqe_s *wqe;
+
+	mod->free_sgpgs += nsgpg;
+	WARN_ON(mod->free_sgpgs > mod->num_sgpgs);
+
+	list_splice_tail_init(sgpg_q, &mod->sgpg_q);
+
+	if (list_empty(&mod->sgpg_wait_q))
+		return;
+
+	/*
+	 * satisfy as many waiting requests as possible
+	 */
+	do {
+		wqe = bfa_q_first(&mod->sgpg_wait_q);
+		if (mod->free_sgpgs < wqe->nsgpg)
+			nsgpg = mod->free_sgpgs;
+		else
+			nsgpg = wqe->nsgpg;
+		bfa_sgpg_malloc(bfa, &wqe->sgpg_q, nsgpg);
+		wqe->nsgpg -= nsgpg;
+		if (wqe->nsgpg == 0) {
+			list_del(&wqe->qe);
+			wqe->cbfn(wqe->cbarg);
+		}
+	} while (mod->free_sgpgs && !list_empty(&mod->sgpg_wait_q));
+}
+
+void
+bfa_sgpg_wait(struct bfa_s *bfa, struct bfa_sgpg_wqe_s *wqe, int nsgpg)
+{
+	struct bfa_sgpg_mod_s *mod = BFA_SGPG_MOD(bfa);
+
+	WARN_ON(nsgpg <= 0);
+	WARN_ON(nsgpg <= mod->free_sgpgs);
+
+	wqe->nsgpg_total = wqe->nsgpg = nsgpg;
+
+	/*
+	 * allocate any left to this one first
+	 */
+	if (mod->free_sgpgs) {
+		/*
+		 * no one else is waiting for SGPG
+		 */
+		WARN_ON(!list_empty(&mod->sgpg_wait_q));
+		list_splice_tail_init(&mod->sgpg_q, &wqe->sgpg_q);
+		wqe->nsgpg -= mod->free_sgpgs;
+		mod->free_sgpgs = 0;
+	}
+
+	list_add_tail(&wqe->qe, &mod->sgpg_wait_q);
+}
+
+void
+bfa_sgpg_wcancel(struct bfa_s *bfa, struct bfa_sgpg_wqe_s *wqe)
+{
+	struct bfa_sgpg_mod_s *mod = BFA_SGPG_MOD(bfa);
+
+	WARN_ON(!bfa_q_is_on_q(&mod->sgpg_wait_q, wqe));
+	list_del(&wqe->qe);
+
+	if (wqe->nsgpg_total != wqe->nsgpg)
+		bfa_sgpg_mfree(bfa, &wqe->sgpg_q,
+				   wqe->nsgpg_total - wqe->nsgpg);
+}
+
+void
+bfa_sgpg_winit(struct bfa_sgpg_wqe_s *wqe, void (*cbfn) (void *cbarg),
+		   void *cbarg)
+{
+	INIT_LIST_HEAD(&wqe->sgpg_q);
+	wqe->cbfn = cbfn;
+	wqe->cbarg = cbarg;
+}
+
+/*
+ *  UF related functions
+ */
+/*
+ *****************************************************************************
+ * Internal functions
+ *****************************************************************************
+ */
+static void
+__bfa_cb_uf_recv(void *cbarg, bfa_boolean_t complete)
+{
+	struct bfa_uf_s   *uf = cbarg;
+	struct bfa_uf_mod_s *ufm = BFA_UF_MOD(uf->bfa);
+
+	if (complete)
+		ufm->ufrecv(ufm->cbarg, uf);
+}
+
+static void
+claim_uf_post_msgs(struct bfa_uf_mod_s *ufm)
+{
+	struct bfi_uf_buf_post_s *uf_bp_msg;
+	u16 i;
+	u16 buf_len;
+
+	ufm->uf_buf_posts = (struct bfi_uf_buf_post_s *) bfa_mem_kva_curp(ufm);
+	uf_bp_msg = ufm->uf_buf_posts;
+
+	for (i = 0, uf_bp_msg = ufm->uf_buf_posts; i < ufm->num_ufs;
+	     i++, uf_bp_msg++) {
+		memset(uf_bp_msg, 0, sizeof(struct bfi_uf_buf_post_s));
+
+		uf_bp_msg->buf_tag = i;
+		buf_len = sizeof(struct bfa_uf_buf_s);
+		uf_bp_msg->buf_len = cpu_to_be16(buf_len);
+		bfi_h2i_set(uf_bp_msg->mh, BFI_MC_UF, BFI_UF_H2I_BUF_POST,
+			    bfa_fn_lpu(ufm->bfa));
+		bfa_alen_set(&uf_bp_msg->alen, buf_len, ufm_pbs_pa(ufm, i));
+	}
+
+	/*
+	 * advance pointer beyond consumed memory
+	 */
+	bfa_mem_kva_curp(ufm) = (u8 *) uf_bp_msg;
+}
+
+static void
+claim_ufs(struct bfa_uf_mod_s *ufm)
+{
+	u16 i;
+	struct bfa_uf_s   *uf;
+
+	/*
+	 * Claim block of memory for UF list
+	 */
+	ufm->uf_list = (struct bfa_uf_s *) bfa_mem_kva_curp(ufm);
+
+	/*
+	 * Initialize UFs and queue it in UF free queue
+	 */
+	for (i = 0, uf = ufm->uf_list; i < ufm->num_ufs; i++, uf++) {
+		memset(uf, 0, sizeof(struct bfa_uf_s));
+		uf->bfa = ufm->bfa;
+		uf->uf_tag = i;
+		uf->pb_len = BFA_PER_UF_DMA_SZ;
+		uf->buf_kva = bfa_mem_get_dmabuf_kva(ufm, i, BFA_PER_UF_DMA_SZ);
+		uf->buf_pa = ufm_pbs_pa(ufm, i);
+		list_add_tail(&uf->qe, &ufm->uf_free_q);
+	}
+
+	/*
+	 * advance memory pointer
+	 */
+	bfa_mem_kva_curp(ufm) = (u8 *) uf;
+}
+
+static void
+uf_mem_claim(struct bfa_uf_mod_s *ufm)
+{
+	claim_ufs(ufm);
+	claim_uf_post_msgs(ufm);
+}
+
+void
+bfa_uf_meminfo(struct bfa_iocfc_cfg_s *cfg, struct bfa_meminfo_s *minfo,
+		struct bfa_s *bfa)
+{
+	struct bfa_uf_mod_s *ufm = BFA_UF_MOD(bfa);
+	struct bfa_mem_kva_s *uf_kva = BFA_MEM_UF_KVA(bfa);
+	u32	num_ufs = cfg->fwcfg.num_uf_bufs;
+	struct bfa_mem_dma_s *seg_ptr;
+	u16	nsegs, idx, per_seg_uf = 0;
+
+	nsegs = BFI_MEM_DMA_NSEGS(num_ufs, BFA_PER_UF_DMA_SZ);
+	per_seg_uf = BFI_MEM_NREQS_SEG(BFA_PER_UF_DMA_SZ);
+
+	bfa_mem_dma_seg_iter(ufm, seg_ptr, nsegs, idx) {
+		if (num_ufs >= per_seg_uf) {
+			num_ufs -= per_seg_uf;
+			bfa_mem_dma_setup(minfo, seg_ptr,
+				per_seg_uf * BFA_PER_UF_DMA_SZ);
+		} else
+			bfa_mem_dma_setup(minfo, seg_ptr,
+				num_ufs * BFA_PER_UF_DMA_SZ);
+	}
+
+	/* kva memory */
+	bfa_mem_kva_setup(minfo, uf_kva, cfg->fwcfg.num_uf_bufs *
+		(sizeof(struct bfa_uf_s) + sizeof(struct bfi_uf_buf_post_s)));
+}
+
+void
+bfa_uf_attach(struct bfa_s *bfa, void *bfad, struct bfa_iocfc_cfg_s *cfg,
+		struct bfa_pcidev_s *pcidev)
+{
+	struct bfa_uf_mod_s *ufm = BFA_UF_MOD(bfa);
+
+	ufm->bfa = bfa;
+	ufm->num_ufs = cfg->fwcfg.num_uf_bufs;
+	INIT_LIST_HEAD(&ufm->uf_free_q);
+	INIT_LIST_HEAD(&ufm->uf_posted_q);
+	INIT_LIST_HEAD(&ufm->uf_unused_q);
+
+	uf_mem_claim(ufm);
+}
+
+static struct bfa_uf_s *
+bfa_uf_get(struct bfa_uf_mod_s *uf_mod)
+{
+	struct bfa_uf_s   *uf;
+
+	bfa_q_deq(&uf_mod->uf_free_q, &uf);
+	return uf;
+}
+
+static void
+bfa_uf_put(struct bfa_uf_mod_s *uf_mod, struct bfa_uf_s *uf)
+{
+	list_add_tail(&uf->qe, &uf_mod->uf_free_q);
+}
+
+static bfa_status_t
+bfa_uf_post(struct bfa_uf_mod_s *ufm, struct bfa_uf_s *uf)
+{
+	struct bfi_uf_buf_post_s *uf_post_msg;
+
+	uf_post_msg = bfa_reqq_next(ufm->bfa, BFA_REQQ_FCXP);
+	if (!uf_post_msg)
+		return BFA_STATUS_FAILED;
+
+	memcpy(uf_post_msg, &ufm->uf_buf_posts[uf->uf_tag],
+		      sizeof(struct bfi_uf_buf_post_s));
+	bfa_reqq_produce(ufm->bfa, BFA_REQQ_FCXP, uf_post_msg->mh);
+
+	bfa_trc(ufm->bfa, uf->uf_tag);
+
+	list_add_tail(&uf->qe, &ufm->uf_posted_q);
+	return BFA_STATUS_OK;
+}
+
+static void
+bfa_uf_post_all(struct bfa_uf_mod_s *uf_mod)
+{
+	struct bfa_uf_s   *uf;
+
+	while ((uf = bfa_uf_get(uf_mod)) != NULL) {
+		if (bfa_uf_post(uf_mod, uf) != BFA_STATUS_OK)
+			break;
+	}
+}
+
+static void
+uf_recv(struct bfa_s *bfa, struct bfi_uf_frm_rcvd_s *m)
+{
+	struct bfa_uf_mod_s *ufm = BFA_UF_MOD(bfa);
+	u16 uf_tag = m->buf_tag;
+	struct bfa_uf_s *uf = &ufm->uf_list[uf_tag];
+	struct bfa_uf_buf_s *uf_buf;
+	uint8_t *buf;
+
+	uf_buf = (struct bfa_uf_buf_s *)
+			bfa_mem_get_dmabuf_kva(ufm, uf_tag, uf->pb_len);
+	buf = &uf_buf->d[0];
+
+	m->frm_len = be16_to_cpu(m->frm_len);
+	m->xfr_len = be16_to_cpu(m->xfr_len);
+
+	list_del(&uf->qe);	/* dequeue from posted queue */
+
+	uf->data_ptr = buf;
+	uf->data_len = m->xfr_len;
+
+	WARN_ON(uf->data_len < sizeof(struct fchs_s));
+
+	if (uf->data_len == sizeof(struct fchs_s)) {
+		bfa_plog_fchdr(bfa->plog, BFA_PL_MID_HAL_UF, BFA_PL_EID_RX,
+			       uf->data_len, (struct fchs_s *)buf);
+	} else {
+		u32 pld_w0 = *((u32 *) (buf + sizeof(struct fchs_s)));
+		bfa_plog_fchdr_and_pl(bfa->plog, BFA_PL_MID_HAL_UF,
+				      BFA_PL_EID_RX, uf->data_len,
+				      (struct fchs_s *)buf, pld_w0);
+	}
+
+	if (bfa->fcs)
+		__bfa_cb_uf_recv(uf, BFA_TRUE);
+	else
+		bfa_cb_queue(bfa, &uf->hcb_qe, __bfa_cb_uf_recv, uf);
+}
+
+void
+bfa_uf_iocdisable(struct bfa_s *bfa)
+{
+	struct bfa_uf_mod_s *ufm = BFA_UF_MOD(bfa);
+	struct bfa_uf_s *uf;
+	struct list_head *qe, *qen;
+
+	/* Enqueue unused uf resources to free_q */
+	list_splice_tail_init(&ufm->uf_unused_q, &ufm->uf_free_q);
+
+	list_for_each_safe(qe, qen, &ufm->uf_posted_q) {
+		uf = (struct bfa_uf_s *) qe;
+		list_del(&uf->qe);
+		bfa_uf_put(ufm, uf);
+	}
+}
+
+void
+bfa_uf_start(struct bfa_s *bfa)
+{
+	bfa_uf_post_all(BFA_UF_MOD(bfa));
+}
+
+/*
+ * Register handler for all unsolicted receive frames.
+ *
+ * @param[in]	bfa		BFA instance
+ * @param[in]	ufrecv	receive handler function
+ * @param[in]	cbarg	receive handler arg
+ */
+void
+bfa_uf_recv_register(struct bfa_s *bfa, bfa_cb_uf_recv_t ufrecv, void *cbarg)
+{
+	struct bfa_uf_mod_s *ufm = BFA_UF_MOD(bfa);
+
+	ufm->ufrecv = ufrecv;
+	ufm->cbarg = cbarg;
+}
+
+/*
+ *	Free an unsolicited frame back to BFA.
+ *
+ * @param[in]		uf		unsolicited frame to be freed
+ *
+ * @return None
+ */
+void
+bfa_uf_free(struct bfa_uf_s *uf)
+{
+	bfa_uf_put(BFA_UF_MOD(uf->bfa), uf);
+	bfa_uf_post_all(BFA_UF_MOD(uf->bfa));
+}
+
+
+
+/*
+ *  uf_pub BFA uf module public functions
+ */
+void
+bfa_uf_isr(struct bfa_s *bfa, struct bfi_msg_s *msg)
+{
+	bfa_trc(bfa, msg->mhdr.msg_id);
+
+	switch (msg->mhdr.msg_id) {
+	case BFI_UF_I2H_FRM_RCVD:
+		uf_recv(bfa, (struct bfi_uf_frm_rcvd_s *) msg);
+		break;
+
+	default:
+		bfa_trc(bfa, msg->mhdr.msg_id);
+		WARN_ON(1);
+	}
+}
+
+void
+bfa_uf_res_recfg(struct bfa_s *bfa, u16 num_uf_fw)
+{
+	struct bfa_uf_mod_s	*mod = BFA_UF_MOD(bfa);
+	struct list_head	*qe;
+	int	i;
+
+	for (i = 0; i < (mod->num_ufs - num_uf_fw); i++) {
+		bfa_q_deq_tail(&mod->uf_free_q, &qe);
+		list_add_tail(qe, &mod->uf_unused_q);
+	}
+}
+
+/*
+ *	Dport forward declaration
+ */
+
+enum bfa_dport_test_state_e {
+	BFA_DPORT_ST_DISABLED	= 0,	/*!< dport is disabled */
+	BFA_DPORT_ST_INP	= 1,	/*!< test in progress */
+	BFA_DPORT_ST_COMP	= 2,	/*!< test complete successfully */
+	BFA_DPORT_ST_NO_SFP	= 3,	/*!< sfp is not present */
+	BFA_DPORT_ST_NOTSTART	= 4,	/*!< test not start dport is enabled */
+};
+
+/*
+ * BFA DPORT state machine events
+ */
+enum bfa_dport_sm_event {
+	BFA_DPORT_SM_ENABLE	= 1,	/* dport enable event         */
+	BFA_DPORT_SM_DISABLE    = 2,    /* dport disable event        */
+	BFA_DPORT_SM_FWRSP      = 3,    /* fw enable/disable rsp      */
+	BFA_DPORT_SM_QRESUME    = 4,    /* CQ space available         */
+	BFA_DPORT_SM_HWFAIL     = 5,    /* IOC h/w failure            */
+	BFA_DPORT_SM_START	= 6,	/* re-start dport test        */
+	BFA_DPORT_SM_REQFAIL	= 7,	/* request failure            */
+	BFA_DPORT_SM_SCN	= 8,	/* state change notify frm fw */
+};
+
+static void bfa_dport_sm_disabled(struct bfa_dport_s *dport,
+				  enum bfa_dport_sm_event event);
+static void bfa_dport_sm_enabling_qwait(struct bfa_dport_s *dport,
+				  enum bfa_dport_sm_event event);
+static void bfa_dport_sm_enabling(struct bfa_dport_s *dport,
+				  enum bfa_dport_sm_event event);
+static void bfa_dport_sm_enabled(struct bfa_dport_s *dport,
+				 enum bfa_dport_sm_event event);
+static void bfa_dport_sm_disabling_qwait(struct bfa_dport_s *dport,
+				 enum bfa_dport_sm_event event);
+static void bfa_dport_sm_disabling(struct bfa_dport_s *dport,
+				   enum bfa_dport_sm_event event);
+static void bfa_dport_sm_starting_qwait(struct bfa_dport_s *dport,
+					enum bfa_dport_sm_event event);
+static void bfa_dport_sm_starting(struct bfa_dport_s *dport,
+				  enum bfa_dport_sm_event event);
+static void bfa_dport_sm_dynamic_disabling(struct bfa_dport_s *dport,
+				   enum bfa_dport_sm_event event);
+static void bfa_dport_sm_dynamic_disabling_qwait(struct bfa_dport_s *dport,
+				   enum bfa_dport_sm_event event);
+static void bfa_dport_qresume(void *cbarg);
+static void bfa_dport_req_comp(struct bfa_dport_s *dport,
+				struct bfi_diag_dport_rsp_s *msg);
+static void bfa_dport_scn(struct bfa_dport_s *dport,
+				struct bfi_diag_dport_scn_s *msg);
+
+/*
+ *	BFA fcdiag module
+ */
+#define BFA_DIAG_QTEST_TOV	1000    /* msec */
+
+/*
+ *	Set port status to busy
+ */
+static void
+bfa_fcdiag_set_busy_status(struct bfa_fcdiag_s *fcdiag)
+{
+	struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(fcdiag->bfa);
+
+	if (fcdiag->lb.lock)
+		fcport->diag_busy = BFA_TRUE;
+	else
+		fcport->diag_busy = BFA_FALSE;
+}
+
+void
+bfa_fcdiag_attach(struct bfa_s *bfa, void *bfad, struct bfa_iocfc_cfg_s *cfg,
+		struct bfa_pcidev_s *pcidev)
+{
+	struct bfa_fcdiag_s *fcdiag = BFA_FCDIAG_MOD(bfa);
+	struct bfa_dport_s  *dport = &fcdiag->dport;
+
+	fcdiag->bfa             = bfa;
+	fcdiag->trcmod  = bfa->trcmod;
+	/* The common DIAG attach bfa_diag_attach() will do all memory claim */
+	dport->bfa = bfa;
+	bfa_sm_set_state(dport, bfa_dport_sm_disabled);
+	bfa_reqq_winit(&dport->reqq_wait, bfa_dport_qresume, dport);
+	dport->cbfn = NULL;
+	dport->cbarg = NULL;
+	dport->test_state = BFA_DPORT_ST_DISABLED;
+	memset(&dport->result, 0, sizeof(struct bfa_diag_dport_result_s));
+}
+
+void
+bfa_fcdiag_iocdisable(struct bfa_s *bfa)
+{
+	struct bfa_fcdiag_s *fcdiag = BFA_FCDIAG_MOD(bfa);
+	struct bfa_dport_s *dport = &fcdiag->dport;
+
+	bfa_trc(fcdiag, fcdiag->lb.lock);
+	if (fcdiag->lb.lock) {
+		fcdiag->lb.status = BFA_STATUS_IOC_FAILURE;
+		fcdiag->lb.cbfn(fcdiag->lb.cbarg, fcdiag->lb.status);
+		fcdiag->lb.lock = 0;
+		bfa_fcdiag_set_busy_status(fcdiag);
+	}
+
+	bfa_sm_send_event(dport, BFA_DPORT_SM_HWFAIL);
+}
+
+static void
+bfa_fcdiag_queuetest_timeout(void *cbarg)
+{
+	struct bfa_fcdiag_s       *fcdiag = cbarg;
+	struct bfa_diag_qtest_result_s *res = fcdiag->qtest.result;
+
+	bfa_trc(fcdiag, fcdiag->qtest.all);
+	bfa_trc(fcdiag, fcdiag->qtest.count);
+
+	fcdiag->qtest.timer_active = 0;
+
+	res->status = BFA_STATUS_ETIMER;
+	res->count  = QTEST_CNT_DEFAULT - fcdiag->qtest.count;
+	if (fcdiag->qtest.all)
+		res->queue  = fcdiag->qtest.all;
+
+	bfa_trc(fcdiag, BFA_STATUS_ETIMER);
+	fcdiag->qtest.status = BFA_STATUS_ETIMER;
+	fcdiag->qtest.cbfn(fcdiag->qtest.cbarg, fcdiag->qtest.status);
+	fcdiag->qtest.lock = 0;
+}
+
+static bfa_status_t
+bfa_fcdiag_queuetest_send(struct bfa_fcdiag_s *fcdiag)
+{
+	u32	i;
+	struct bfi_diag_qtest_req_s *req;
+
+	req = bfa_reqq_next(fcdiag->bfa, fcdiag->qtest.queue);
+	if (!req)
+		return BFA_STATUS_DEVBUSY;
+
+	/* build host command */
+	bfi_h2i_set(req->mh, BFI_MC_DIAG, BFI_DIAG_H2I_QTEST,
+		bfa_fn_lpu(fcdiag->bfa));
+
+	for (i = 0; i < BFI_LMSG_PL_WSZ; i++)
+		req->data[i] = QTEST_PAT_DEFAULT;
+
+	bfa_trc(fcdiag, fcdiag->qtest.queue);
+	/* ring door bell */
+	bfa_reqq_produce(fcdiag->bfa, fcdiag->qtest.queue, req->mh);
+	return BFA_STATUS_OK;
+}
+
+static void
+bfa_fcdiag_queuetest_comp(struct bfa_fcdiag_s *fcdiag,
+			bfi_diag_qtest_rsp_t *rsp)
+{
+	struct bfa_diag_qtest_result_s *res = fcdiag->qtest.result;
+	bfa_status_t status = BFA_STATUS_OK;
+	int i;
+
+	/* Check timer, should still be active   */
+	if (!fcdiag->qtest.timer_active) {
+		bfa_trc(fcdiag, fcdiag->qtest.timer_active);
+		return;
+	}
+
+	/* update count */
+	fcdiag->qtest.count--;
+
+	/* Check result */
+	for (i = 0; i < BFI_LMSG_PL_WSZ; i++) {
+		if (rsp->data[i] != ~(QTEST_PAT_DEFAULT)) {
+			res->status = BFA_STATUS_DATACORRUPTED;
+			break;
+		}
+	}
+
+	if (res->status == BFA_STATUS_OK) {
+		if (fcdiag->qtest.count > 0) {
+			status = bfa_fcdiag_queuetest_send(fcdiag);
+			if (status == BFA_STATUS_OK)
+				return;
+			else
+				res->status = status;
+		} else if (fcdiag->qtest.all > 0 &&
+			fcdiag->qtest.queue < (BFI_IOC_MAX_CQS - 1)) {
+			fcdiag->qtest.count = QTEST_CNT_DEFAULT;
+			fcdiag->qtest.queue++;
+			status = bfa_fcdiag_queuetest_send(fcdiag);
+			if (status == BFA_STATUS_OK)
+				return;
+			else
+				res->status = status;
+		}
+	}
+
+	/* Stop timer when we comp all queue */
+	if (fcdiag->qtest.timer_active) {
+		bfa_timer_stop(&fcdiag->qtest.timer);
+		fcdiag->qtest.timer_active = 0;
+	}
+	res->queue = fcdiag->qtest.queue;
+	res->count = QTEST_CNT_DEFAULT - fcdiag->qtest.count;
+	bfa_trc(fcdiag, res->count);
+	bfa_trc(fcdiag, res->status);
+	fcdiag->qtest.status = res->status;
+	fcdiag->qtest.cbfn(fcdiag->qtest.cbarg, fcdiag->qtest.status);
+	fcdiag->qtest.lock = 0;
+}
+
+static void
+bfa_fcdiag_loopback_comp(struct bfa_fcdiag_s *fcdiag,
+			struct bfi_diag_lb_rsp_s *rsp)
+{
+	struct bfa_diag_loopback_result_s *res = fcdiag->lb.result;
+
+	res->numtxmfrm  = be32_to_cpu(rsp->res.numtxmfrm);
+	res->numosffrm  = be32_to_cpu(rsp->res.numosffrm);
+	res->numrcvfrm  = be32_to_cpu(rsp->res.numrcvfrm);
+	res->badfrminf  = be32_to_cpu(rsp->res.badfrminf);
+	res->badfrmnum  = be32_to_cpu(rsp->res.badfrmnum);
+	res->status     = rsp->res.status;
+	fcdiag->lb.status = rsp->res.status;
+	bfa_trc(fcdiag, fcdiag->lb.status);
+	fcdiag->lb.cbfn(fcdiag->lb.cbarg, fcdiag->lb.status);
+	fcdiag->lb.lock = 0;
+	bfa_fcdiag_set_busy_status(fcdiag);
+}
+
+static bfa_status_t
+bfa_fcdiag_loopback_send(struct bfa_fcdiag_s *fcdiag,
+			struct bfa_diag_loopback_s *loopback)
+{
+	struct bfi_diag_lb_req_s *lb_req;
+
+	lb_req = bfa_reqq_next(fcdiag->bfa, BFA_REQQ_DIAG);
+	if (!lb_req)
+		return BFA_STATUS_DEVBUSY;
+
+	/* build host command */
+	bfi_h2i_set(lb_req->mh, BFI_MC_DIAG, BFI_DIAG_H2I_LOOPBACK,
+		bfa_fn_lpu(fcdiag->bfa));
+
+	lb_req->lb_mode = loopback->lb_mode;
+	lb_req->speed = loopback->speed;
+	lb_req->loopcnt = loopback->loopcnt;
+	lb_req->pattern = loopback->pattern;
+
+	/* ring door bell */
+	bfa_reqq_produce(fcdiag->bfa, BFA_REQQ_DIAG, lb_req->mh);
+
+	bfa_trc(fcdiag, loopback->lb_mode);
+	bfa_trc(fcdiag, loopback->speed);
+	bfa_trc(fcdiag, loopback->loopcnt);
+	bfa_trc(fcdiag, loopback->pattern);
+	return BFA_STATUS_OK;
+}
+
+/*
+ *	cpe/rme intr handler
+ */
+void
+bfa_fcdiag_intr(struct bfa_s *bfa, struct bfi_msg_s *msg)
+{
+	struct bfa_fcdiag_s *fcdiag = BFA_FCDIAG_MOD(bfa);
+
+	switch (msg->mhdr.msg_id) {
+	case BFI_DIAG_I2H_LOOPBACK:
+		bfa_fcdiag_loopback_comp(fcdiag,
+				(struct bfi_diag_lb_rsp_s *) msg);
+		break;
+	case BFI_DIAG_I2H_QTEST:
+		bfa_fcdiag_queuetest_comp(fcdiag, (bfi_diag_qtest_rsp_t *)msg);
+		break;
+	case BFI_DIAG_I2H_DPORT:
+		bfa_dport_req_comp(&fcdiag->dport,
+				(struct bfi_diag_dport_rsp_s *)msg);
+		break;
+	case BFI_DIAG_I2H_DPORT_SCN:
+		bfa_dport_scn(&fcdiag->dport,
+				(struct bfi_diag_dport_scn_s *)msg);
+		break;
+	default:
+		bfa_trc(fcdiag, msg->mhdr.msg_id);
+		WARN_ON(1);
+	}
+}
+
+/*
+ *	Loopback test
+ *
+ *   @param[in] *bfa            - bfa data struct
+ *   @param[in] opmode          - port operation mode
+ *   @param[in] speed           - port speed
+ *   @param[in] lpcnt           - loop count
+ *   @param[in] pat                     - pattern to build packet
+ *   @param[in] *result         - pt to bfa_diag_loopback_result_t data struct
+ *   @param[in] cbfn            - callback function
+ *   @param[in] cbarg           - callback functioin arg
+ *
+ *   @param[out]
+ */
+bfa_status_t
+bfa_fcdiag_loopback(struct bfa_s *bfa, enum bfa_port_opmode opmode,
+		enum bfa_port_speed speed, u32 lpcnt, u32 pat,
+		struct bfa_diag_loopback_result_s *result, bfa_cb_diag_t cbfn,
+		void *cbarg)
+{
+	struct  bfa_diag_loopback_s loopback;
+	struct bfa_port_attr_s attr;
+	bfa_status_t status;
+	struct bfa_fcdiag_s *fcdiag = BFA_FCDIAG_MOD(bfa);
+
+	if (!bfa_iocfc_is_operational(bfa))
+		return BFA_STATUS_IOC_NON_OP;
+
+	/* if port is PBC disabled, return error */
+	if (bfa_fcport_is_pbcdisabled(bfa)) {
+		bfa_trc(fcdiag, BFA_STATUS_PBC);
+		return BFA_STATUS_PBC;
+	}
+
+	if (bfa_fcport_is_disabled(bfa) == BFA_FALSE) {
+		bfa_trc(fcdiag, opmode);
+		return BFA_STATUS_PORT_NOT_DISABLED;
+	}
+
+	/*
+	 * Check if input speed is supported by the port mode
+	 */
+	if (bfa_ioc_get_type(&bfa->ioc) == BFA_IOC_TYPE_FC) {
+		if (!(speed == BFA_PORT_SPEED_1GBPS ||
+		      speed == BFA_PORT_SPEED_2GBPS ||
+		      speed == BFA_PORT_SPEED_4GBPS ||
+		      speed == BFA_PORT_SPEED_8GBPS ||
+		      speed == BFA_PORT_SPEED_16GBPS ||
+		      speed == BFA_PORT_SPEED_AUTO)) {
+			bfa_trc(fcdiag, speed);
+			return BFA_STATUS_UNSUPP_SPEED;
+		}
+		bfa_fcport_get_attr(bfa, &attr);
+		bfa_trc(fcdiag, attr.speed_supported);
+		if (speed > attr.speed_supported)
+			return BFA_STATUS_UNSUPP_SPEED;
+	} else {
+		if (speed != BFA_PORT_SPEED_10GBPS) {
+			bfa_trc(fcdiag, speed);
+			return BFA_STATUS_UNSUPP_SPEED;
+		}
+	}
+
+	/*
+	 * For CT2, 1G is not supported
+	 */
+	if ((speed == BFA_PORT_SPEED_1GBPS) &&
+	    (bfa_asic_id_ct2(bfa->ioc.pcidev.device_id))) {
+		bfa_trc(fcdiag, speed);
+		return BFA_STATUS_UNSUPP_SPEED;
+	}
+
+	/* For Mezz card, port speed entered needs to be checked */
+	if (bfa_mfg_is_mezz(bfa->ioc.attr->card_type)) {
+		if (bfa_ioc_get_type(&bfa->ioc) == BFA_IOC_TYPE_FC) {
+			if (!(speed == BFA_PORT_SPEED_1GBPS ||
+			      speed == BFA_PORT_SPEED_2GBPS ||
+			      speed == BFA_PORT_SPEED_4GBPS ||
+			      speed == BFA_PORT_SPEED_8GBPS ||
+			      speed == BFA_PORT_SPEED_16GBPS ||
+			      speed == BFA_PORT_SPEED_AUTO))
+				return BFA_STATUS_UNSUPP_SPEED;
+		} else {
+			if (speed != BFA_PORT_SPEED_10GBPS)
+				return BFA_STATUS_UNSUPP_SPEED;
+		}
+	}
+	/* check to see if fcport is dport */
+	if (bfa_fcport_is_dport(bfa)) {
+		bfa_trc(fcdiag, fcdiag->lb.lock);
+		return BFA_STATUS_DPORT_ENABLED;
+	}
+	/* check to see if there is another destructive diag cmd running */
+	if (fcdiag->lb.lock) {
+		bfa_trc(fcdiag, fcdiag->lb.lock);
+		return BFA_STATUS_DEVBUSY;
+	}
+
+	fcdiag->lb.lock = 1;
+	loopback.lb_mode = opmode;
+	loopback.speed = speed;
+	loopback.loopcnt = lpcnt;
+	loopback.pattern = pat;
+	fcdiag->lb.result = result;
+	fcdiag->lb.cbfn = cbfn;
+	fcdiag->lb.cbarg = cbarg;
+	memset(result, 0, sizeof(struct bfa_diag_loopback_result_s));
+	bfa_fcdiag_set_busy_status(fcdiag);
+
+	/* Send msg to fw */
+	status = bfa_fcdiag_loopback_send(fcdiag, &loopback);
+	return status;
+}
+
+/*
+ *	DIAG queue test command
+ *
+ *   @param[in] *bfa            - bfa data struct
+ *   @param[in] force           - 1: don't do ioc op checking
+ *   @param[in] queue           - queue no. to test
+ *   @param[in] *result         - pt to bfa_diag_qtest_result_t data struct
+ *   @param[in] cbfn            - callback function
+ *   @param[in] *cbarg          - callback functioin arg
+ *
+ *   @param[out]
+ */
+bfa_status_t
+bfa_fcdiag_queuetest(struct bfa_s *bfa, u32 force, u32 queue,
+		struct bfa_diag_qtest_result_s *result, bfa_cb_diag_t cbfn,
+		void *cbarg)
+{
+	struct bfa_fcdiag_s *fcdiag = BFA_FCDIAG_MOD(bfa);
+	bfa_status_t status;
+	bfa_trc(fcdiag, force);
+	bfa_trc(fcdiag, queue);
+
+	if (!force && !bfa_iocfc_is_operational(bfa))
+		return BFA_STATUS_IOC_NON_OP;
+
+	/* check to see if there is another destructive diag cmd running */
+	if (fcdiag->qtest.lock) {
+		bfa_trc(fcdiag, fcdiag->qtest.lock);
+		return BFA_STATUS_DEVBUSY;
+	}
+
+	/* Initialization */
+	fcdiag->qtest.lock = 1;
+	fcdiag->qtest.cbfn = cbfn;
+	fcdiag->qtest.cbarg = cbarg;
+	fcdiag->qtest.result = result;
+	fcdiag->qtest.count = QTEST_CNT_DEFAULT;
+
+	/* Init test results */
+	fcdiag->qtest.result->status = BFA_STATUS_OK;
+	fcdiag->qtest.result->count  = 0;
+
+	/* send */
+	if (queue < BFI_IOC_MAX_CQS) {
+		fcdiag->qtest.result->queue  = (u8)queue;
+		fcdiag->qtest.queue = (u8)queue;
+		fcdiag->qtest.all   = 0;
+	} else {
+		fcdiag->qtest.result->queue  = 0;
+		fcdiag->qtest.queue = 0;
+		fcdiag->qtest.all   = 1;
+	}
+	status = bfa_fcdiag_queuetest_send(fcdiag);
+
+	/* Start a timer */
+	if (status == BFA_STATUS_OK) {
+		bfa_timer_start(bfa, &fcdiag->qtest.timer,
+				bfa_fcdiag_queuetest_timeout, fcdiag,
+				BFA_DIAG_QTEST_TOV);
+		fcdiag->qtest.timer_active = 1;
+	}
+	return status;
+}
+
+/*
+ * DIAG PLB is running
+ *
+ *   @param[in] *bfa    - bfa data struct
+ *
+ *   @param[out]
+ */
+bfa_status_t
+bfa_fcdiag_lb_is_running(struct bfa_s *bfa)
+{
+	struct bfa_fcdiag_s *fcdiag = BFA_FCDIAG_MOD(bfa);
+	return fcdiag->lb.lock ?  BFA_STATUS_DIAG_BUSY : BFA_STATUS_OK;
+}
+
+/*
+ *	D-port
+ */
+#define bfa_dport_result_start(__dport, __mode) do {				\
+		(__dport)->result.start_time = ktime_get_real_seconds();	\
+		(__dport)->result.status = DPORT_TEST_ST_INPRG;			\
+		(__dport)->result.mode = (__mode);				\
+		(__dport)->result.rp_pwwn = (__dport)->rp_pwwn;			\
+		(__dport)->result.rp_nwwn = (__dport)->rp_nwwn;			\
+		(__dport)->result.lpcnt = (__dport)->lpcnt;			\
+} while (0)
+
+static bfa_boolean_t bfa_dport_send_req(struct bfa_dport_s *dport,
+					enum bfi_dport_req req);
+static void
+bfa_cb_fcdiag_dport(struct bfa_dport_s *dport, bfa_status_t bfa_status)
+{
+	if (dport->cbfn != NULL) {
+		dport->cbfn(dport->cbarg, bfa_status);
+		dport->cbfn = NULL;
+		dport->cbarg = NULL;
+	}
+}
+
+static void
+bfa_dport_sm_disabled(struct bfa_dport_s *dport, enum bfa_dport_sm_event event)
+{
+	bfa_trc(dport->bfa, event);
+
+	switch (event) {
+	case BFA_DPORT_SM_ENABLE:
+		bfa_fcport_dportenable(dport->bfa);
+		if (bfa_dport_send_req(dport, BFI_DPORT_ENABLE))
+			bfa_sm_set_state(dport, bfa_dport_sm_enabling);
+		else
+			bfa_sm_set_state(dport, bfa_dport_sm_enabling_qwait);
+		break;
+
+	case BFA_DPORT_SM_DISABLE:
+		/* Already disabled */
+		break;
+
+	case BFA_DPORT_SM_HWFAIL:
+		/* ignore */
+		break;
+
+	case BFA_DPORT_SM_SCN:
+		if (dport->i2hmsg.scn.state ==  BFI_DPORT_SCN_DDPORT_ENABLE) {
+			bfa_fcport_ddportenable(dport->bfa);
+			dport->dynamic = BFA_TRUE;
+			dport->test_state = BFA_DPORT_ST_NOTSTART;
+			bfa_sm_set_state(dport, bfa_dport_sm_enabled);
+		} else {
+			bfa_trc(dport->bfa, dport->i2hmsg.scn.state);
+			WARN_ON(1);
+		}
+		break;
+
+	default:
+		bfa_sm_fault(dport->bfa, event);
+	}
+}
+
+static void
+bfa_dport_sm_enabling_qwait(struct bfa_dport_s *dport,
+			    enum bfa_dport_sm_event event)
+{
+	bfa_trc(dport->bfa, event);
+
+	switch (event) {
+	case BFA_DPORT_SM_QRESUME:
+		bfa_sm_set_state(dport, bfa_dport_sm_enabling);
+		bfa_dport_send_req(dport, BFI_DPORT_ENABLE);
+		break;
+
+	case BFA_DPORT_SM_HWFAIL:
+		bfa_reqq_wcancel(&dport->reqq_wait);
+		bfa_sm_set_state(dport, bfa_dport_sm_disabled);
+		bfa_cb_fcdiag_dport(dport, BFA_STATUS_FAILED);
+		break;
+
+	default:
+		bfa_sm_fault(dport->bfa, event);
+	}
+}
+
+static void
+bfa_dport_sm_enabling(struct bfa_dport_s *dport, enum bfa_dport_sm_event event)
+{
+	bfa_trc(dport->bfa, event);
+
+	switch (event) {
+	case BFA_DPORT_SM_FWRSP:
+		memset(&dport->result, 0,
+				sizeof(struct bfa_diag_dport_result_s));
+		if (dport->i2hmsg.rsp.status == BFA_STATUS_DPORT_INV_SFP) {
+			dport->test_state = BFA_DPORT_ST_NO_SFP;
+		} else {
+			dport->test_state = BFA_DPORT_ST_INP;
+			bfa_dport_result_start(dport, BFA_DPORT_OPMODE_AUTO);
+		}
+		bfa_sm_set_state(dport, bfa_dport_sm_enabled);
+		break;
+
+	case BFA_DPORT_SM_REQFAIL:
+		dport->test_state = BFA_DPORT_ST_DISABLED;
+		bfa_fcport_dportdisable(dport->bfa);
+		bfa_sm_set_state(dport, bfa_dport_sm_disabled);
+		break;
+
+	case BFA_DPORT_SM_HWFAIL:
+		bfa_sm_set_state(dport, bfa_dport_sm_disabled);
+		bfa_cb_fcdiag_dport(dport, BFA_STATUS_FAILED);
+		break;
+
+	default:
+		bfa_sm_fault(dport->bfa, event);
+	}
+}
+
+static void
+bfa_dport_sm_enabled(struct bfa_dport_s *dport, enum bfa_dport_sm_event event)
+{
+	bfa_trc(dport->bfa, event);
+
+	switch (event) {
+	case BFA_DPORT_SM_START:
+		if (bfa_dport_send_req(dport, BFI_DPORT_START))
+			bfa_sm_set_state(dport, bfa_dport_sm_starting);
+		else
+			bfa_sm_set_state(dport, bfa_dport_sm_starting_qwait);
+		break;
+
+	case BFA_DPORT_SM_DISABLE:
+		bfa_fcport_dportdisable(dport->bfa);
+		if (bfa_dport_send_req(dport, BFI_DPORT_DISABLE))
+			bfa_sm_set_state(dport, bfa_dport_sm_disabling);
+		else
+			bfa_sm_set_state(dport, bfa_dport_sm_disabling_qwait);
+		break;
+
+	case BFA_DPORT_SM_HWFAIL:
+		bfa_sm_set_state(dport, bfa_dport_sm_disabled);
+		break;
+
+	case BFA_DPORT_SM_SCN:
+		switch (dport->i2hmsg.scn.state) {
+		case BFI_DPORT_SCN_TESTCOMP:
+			dport->test_state = BFA_DPORT_ST_COMP;
+			break;
+
+		case BFI_DPORT_SCN_TESTSTART:
+			dport->test_state = BFA_DPORT_ST_INP;
+			break;
+
+		case BFI_DPORT_SCN_TESTSKIP:
+		case BFI_DPORT_SCN_SUBTESTSTART:
+			/* no state change */
+			break;
+
+		case BFI_DPORT_SCN_SFP_REMOVED:
+			dport->test_state = BFA_DPORT_ST_NO_SFP;
+			break;
+
+		case BFI_DPORT_SCN_DDPORT_DISABLE:
+			bfa_fcport_ddportdisable(dport->bfa);
+
+			if (bfa_dport_send_req(dport, BFI_DPORT_DYN_DISABLE))
+				bfa_sm_set_state(dport,
+					 bfa_dport_sm_dynamic_disabling);
+			else
+				bfa_sm_set_state(dport,
+					 bfa_dport_sm_dynamic_disabling_qwait);
+			break;
+
+		case BFI_DPORT_SCN_FCPORT_DISABLE:
+			bfa_fcport_ddportdisable(dport->bfa);
+
+			bfa_sm_set_state(dport, bfa_dport_sm_disabled);
+			dport->dynamic = BFA_FALSE;
+			break;
+
+		default:
+			bfa_trc(dport->bfa, dport->i2hmsg.scn.state);
+			bfa_sm_fault(dport->bfa, event);
+		}
+		break;
+	default:
+		bfa_sm_fault(dport->bfa, event);
+	}
+}
+
+static void
+bfa_dport_sm_disabling_qwait(struct bfa_dport_s *dport,
+			     enum bfa_dport_sm_event event)
+{
+	bfa_trc(dport->bfa, event);
+
+	switch (event) {
+	case BFA_DPORT_SM_QRESUME:
+		bfa_sm_set_state(dport, bfa_dport_sm_disabling);
+		bfa_dport_send_req(dport, BFI_DPORT_DISABLE);
+		break;
+
+	case BFA_DPORT_SM_HWFAIL:
+		bfa_sm_set_state(dport, bfa_dport_sm_disabled);
+		bfa_reqq_wcancel(&dport->reqq_wait);
+		bfa_cb_fcdiag_dport(dport, BFA_STATUS_OK);
+		break;
+
+	case BFA_DPORT_SM_SCN:
+		/* ignore */
+		break;
+
+	default:
+		bfa_sm_fault(dport->bfa, event);
+	}
+}
+
+static void
+bfa_dport_sm_disabling(struct bfa_dport_s *dport, enum bfa_dport_sm_event event)
+{
+	bfa_trc(dport->bfa, event);
+
+	switch (event) {
+	case BFA_DPORT_SM_FWRSP:
+		dport->test_state = BFA_DPORT_ST_DISABLED;
+		bfa_sm_set_state(dport, bfa_dport_sm_disabled);
+		break;
+
+	case BFA_DPORT_SM_HWFAIL:
+		bfa_sm_set_state(dport, bfa_dport_sm_disabled);
+		bfa_cb_fcdiag_dport(dport, BFA_STATUS_OK);
+		break;
+
+	case BFA_DPORT_SM_SCN:
+		/* no state change */
+		break;
+
+	default:
+		bfa_sm_fault(dport->bfa, event);
+	}
+}
+
+static void
+bfa_dport_sm_starting_qwait(struct bfa_dport_s *dport,
+			    enum bfa_dport_sm_event event)
+{
+	bfa_trc(dport->bfa, event);
+
+	switch (event) {
+	case BFA_DPORT_SM_QRESUME:
+		bfa_sm_set_state(dport, bfa_dport_sm_starting);
+		bfa_dport_send_req(dport, BFI_DPORT_START);
+		break;
+
+	case BFA_DPORT_SM_HWFAIL:
+		bfa_reqq_wcancel(&dport->reqq_wait);
+		bfa_sm_set_state(dport, bfa_dport_sm_disabled);
+		bfa_cb_fcdiag_dport(dport, BFA_STATUS_FAILED);
+		break;
+
+	default:
+		bfa_sm_fault(dport->bfa, event);
+	}
+}
+
+static void
+bfa_dport_sm_starting(struct bfa_dport_s *dport, enum bfa_dport_sm_event event)
+{
+	bfa_trc(dport->bfa, event);
+
+	switch (event) {
+	case BFA_DPORT_SM_FWRSP:
+		memset(&dport->result, 0,
+				sizeof(struct bfa_diag_dport_result_s));
+		if (dport->i2hmsg.rsp.status == BFA_STATUS_DPORT_INV_SFP) {
+			dport->test_state = BFA_DPORT_ST_NO_SFP;
+		} else {
+			dport->test_state = BFA_DPORT_ST_INP;
+			bfa_dport_result_start(dport, BFA_DPORT_OPMODE_MANU);
+		}
+		fallthrough;
+
+	case BFA_DPORT_SM_REQFAIL:
+		bfa_sm_set_state(dport, bfa_dport_sm_enabled);
+		break;
+
+	case BFA_DPORT_SM_HWFAIL:
+		bfa_sm_set_state(dport, bfa_dport_sm_disabled);
+		bfa_cb_fcdiag_dport(dport, BFA_STATUS_FAILED);
+		break;
+
+	default:
+		bfa_sm_fault(dport->bfa, event);
+	}
+}
+
+static void
+bfa_dport_sm_dynamic_disabling(struct bfa_dport_s *dport,
+			       enum bfa_dport_sm_event event)
+{
+	bfa_trc(dport->bfa, event);
+
+	switch (event) {
+	case BFA_DPORT_SM_SCN:
+		switch (dport->i2hmsg.scn.state) {
+		case BFI_DPORT_SCN_DDPORT_DISABLED:
+			bfa_sm_set_state(dport, bfa_dport_sm_disabled);
+			dport->dynamic = BFA_FALSE;
+			bfa_fcport_enable(dport->bfa);
+			break;
+
+		default:
+			bfa_trc(dport->bfa, dport->i2hmsg.scn.state);
+			bfa_sm_fault(dport->bfa, event);
+
+		}
+		break;
+
+	case BFA_DPORT_SM_HWFAIL:
+		bfa_sm_set_state(dport, bfa_dport_sm_disabled);
+		bfa_cb_fcdiag_dport(dport, BFA_STATUS_OK);
+		break;
+
+	default:
+		bfa_sm_fault(dport->bfa, event);
+	}
+}
+
+static void
+bfa_dport_sm_dynamic_disabling_qwait(struct bfa_dport_s *dport,
+			    enum bfa_dport_sm_event event)
+{
+	bfa_trc(dport->bfa, event);
+
+	switch (event) {
+	case BFA_DPORT_SM_QRESUME:
+		bfa_sm_set_state(dport, bfa_dport_sm_dynamic_disabling);
+		bfa_dport_send_req(dport, BFI_DPORT_DYN_DISABLE);
+		break;
+
+	case BFA_DPORT_SM_HWFAIL:
+		bfa_sm_set_state(dport, bfa_dport_sm_disabled);
+		bfa_reqq_wcancel(&dport->reqq_wait);
+		bfa_cb_fcdiag_dport(dport, BFA_STATUS_OK);
+		break;
+
+	case BFA_DPORT_SM_SCN:
+		/* ignore */
+		break;
+
+	default:
+		bfa_sm_fault(dport->bfa, event);
+	}
+}
+
+static bfa_boolean_t
+bfa_dport_send_req(struct bfa_dport_s *dport, enum bfi_dport_req req)
+{
+	struct bfi_diag_dport_req_s *m;
+
+	/*
+	 * check for room in queue to send request now
+	 */
+	m = bfa_reqq_next(dport->bfa, BFA_REQQ_DIAG);
+	if (!m) {
+		bfa_reqq_wait(dport->bfa, BFA_REQQ_PORT, &dport->reqq_wait);
+		return BFA_FALSE;
+	}
+
+	bfi_h2i_set(m->mh, BFI_MC_DIAG, BFI_DIAG_H2I_DPORT,
+		    bfa_fn_lpu(dport->bfa));
+	m->req  = req;
+	if ((req == BFI_DPORT_ENABLE) || (req == BFI_DPORT_START)) {
+		m->lpcnt = cpu_to_be32(dport->lpcnt);
+		m->payload = cpu_to_be32(dport->payload);
+	}
+
+	/*
+	 * queue I/O message to firmware
+	 */
+	bfa_reqq_produce(dport->bfa, BFA_REQQ_DIAG, m->mh);
+
+	return BFA_TRUE;
+}
+
+static void
+bfa_dport_qresume(void *cbarg)
+{
+	struct bfa_dport_s *dport = cbarg;
+
+	bfa_sm_send_event(dport, BFA_DPORT_SM_QRESUME);
+}
+
+static void
+bfa_dport_req_comp(struct bfa_dport_s *dport, struct bfi_diag_dport_rsp_s *msg)
+{
+	msg->status = cpu_to_be32(msg->status);
+	dport->i2hmsg.rsp.status = msg->status;
+	dport->rp_pwwn = msg->pwwn;
+	dport->rp_nwwn = msg->nwwn;
+
+	if ((msg->status == BFA_STATUS_OK) ||
+	    (msg->status == BFA_STATUS_DPORT_NO_SFP)) {
+		bfa_trc(dport->bfa, msg->status);
+		bfa_trc(dport->bfa, dport->rp_pwwn);
+		bfa_trc(dport->bfa, dport->rp_nwwn);
+		bfa_sm_send_event(dport, BFA_DPORT_SM_FWRSP);
+
+	} else {
+		bfa_trc(dport->bfa, msg->status);
+		bfa_sm_send_event(dport, BFA_DPORT_SM_REQFAIL);
+	}
+	bfa_cb_fcdiag_dport(dport, msg->status);
+}
+
+static bfa_boolean_t
+bfa_dport_is_sending_req(struct bfa_dport_s *dport)
+{
+	if (bfa_sm_cmp_state(dport, bfa_dport_sm_enabling)	||
+	    bfa_sm_cmp_state(dport, bfa_dport_sm_enabling_qwait) ||
+	    bfa_sm_cmp_state(dport, bfa_dport_sm_disabling)	||
+	    bfa_sm_cmp_state(dport, bfa_dport_sm_disabling_qwait) ||
+	    bfa_sm_cmp_state(dport, bfa_dport_sm_starting)	||
+	    bfa_sm_cmp_state(dport, bfa_dport_sm_starting_qwait)) {
+		return BFA_TRUE;
+	} else {
+		return BFA_FALSE;
+	}
+}
+
+static void
+bfa_dport_scn(struct bfa_dport_s *dport, struct bfi_diag_dport_scn_s *msg)
+{
+	int i;
+	uint8_t subtesttype;
+
+	bfa_trc(dport->bfa, msg->state);
+	dport->i2hmsg.scn.state = msg->state;
+
+	switch (dport->i2hmsg.scn.state) {
+	case BFI_DPORT_SCN_TESTCOMP:
+		dport->result.end_time = ktime_get_real_seconds();
+		bfa_trc(dport->bfa, dport->result.end_time);
+
+		dport->result.status = msg->info.testcomp.status;
+		bfa_trc(dport->bfa, dport->result.status);
+
+		dport->result.roundtrip_latency =
+			cpu_to_be32(msg->info.testcomp.latency);
+		dport->result.est_cable_distance =
+			cpu_to_be32(msg->info.testcomp.distance);
+		dport->result.buffer_required =
+			be16_to_cpu(msg->info.testcomp.numbuffer);
+
+		dport->result.frmsz = be16_to_cpu(msg->info.testcomp.frm_sz);
+		dport->result.speed = msg->info.testcomp.speed;
+
+		bfa_trc(dport->bfa, dport->result.roundtrip_latency);
+		bfa_trc(dport->bfa, dport->result.est_cable_distance);
+		bfa_trc(dport->bfa, dport->result.buffer_required);
+		bfa_trc(dport->bfa, dport->result.frmsz);
+		bfa_trc(dport->bfa, dport->result.speed);
+
+		for (i = DPORT_TEST_ELOOP; i < DPORT_TEST_MAX; i++) {
+			dport->result.subtest[i].status =
+				msg->info.testcomp.subtest_status[i];
+			bfa_trc(dport->bfa, dport->result.subtest[i].status);
+		}
+		break;
+
+	case BFI_DPORT_SCN_TESTSKIP:
+	case BFI_DPORT_SCN_DDPORT_ENABLE:
+		memset(&dport->result, 0,
+				sizeof(struct bfa_diag_dport_result_s));
+		break;
+
+	case BFI_DPORT_SCN_TESTSTART:
+		memset(&dport->result, 0,
+				sizeof(struct bfa_diag_dport_result_s));
+		dport->rp_pwwn = msg->info.teststart.pwwn;
+		dport->rp_nwwn = msg->info.teststart.nwwn;
+		dport->lpcnt = cpu_to_be32(msg->info.teststart.numfrm);
+		bfa_dport_result_start(dport, msg->info.teststart.mode);
+		break;
+
+	case BFI_DPORT_SCN_SUBTESTSTART:
+		subtesttype = msg->info.teststart.type;
+		dport->result.subtest[subtesttype].start_time =
+			ktime_get_real_seconds();
+		dport->result.subtest[subtesttype].status =
+			DPORT_TEST_ST_INPRG;
+
+		bfa_trc(dport->bfa, subtesttype);
+		bfa_trc(dport->bfa,
+			dport->result.subtest[subtesttype].start_time);
+		break;
+
+	case BFI_DPORT_SCN_SFP_REMOVED:
+	case BFI_DPORT_SCN_DDPORT_DISABLED:
+	case BFI_DPORT_SCN_DDPORT_DISABLE:
+	case BFI_DPORT_SCN_FCPORT_DISABLE:
+		dport->result.status = DPORT_TEST_ST_IDLE;
+		break;
+
+	default:
+		bfa_sm_fault(dport->bfa, msg->state);
+	}
+
+	bfa_sm_send_event(dport, BFA_DPORT_SM_SCN);
+}
+
+/*
+ * Dport enable
+ *
+ * @param[in] *bfa            - bfa data struct
+ */
+bfa_status_t
+bfa_dport_enable(struct bfa_s *bfa, u32 lpcnt, u32 pat,
+				bfa_cb_diag_t cbfn, void *cbarg)
+{
+	struct bfa_fcdiag_s *fcdiag = BFA_FCDIAG_MOD(bfa);
+	struct bfa_dport_s  *dport = &fcdiag->dport;
+
+	/*
+	 * Dport is not support in MEZZ card
+	 */
+	if (bfa_mfg_is_mezz(dport->bfa->ioc.attr->card_type)) {
+		bfa_trc(dport->bfa, BFA_STATUS_PBC);
+		return BFA_STATUS_CMD_NOTSUPP_MEZZ;
+	}
+
+	/*
+	 * Dport is supported in CT2 or above
+	 */
+	if (!(bfa_asic_id_ct2(dport->bfa->ioc.pcidev.device_id))) {
+		bfa_trc(dport->bfa, dport->bfa->ioc.pcidev.device_id);
+		return BFA_STATUS_FEATURE_NOT_SUPPORTED;
+	}
+
+	/*
+	 * Check to see if IOC is down
+	*/
+	if (!bfa_iocfc_is_operational(bfa))
+		return BFA_STATUS_IOC_NON_OP;
+
+	/* if port is PBC disabled, return error */
+	if (bfa_fcport_is_pbcdisabled(bfa)) {
+		bfa_trc(dport->bfa, BFA_STATUS_PBC);
+		return BFA_STATUS_PBC;
+	}
+
+	/*
+	 * Check if port mode is FC port
+	 */
+	if (bfa_ioc_get_type(&bfa->ioc) != BFA_IOC_TYPE_FC) {
+		bfa_trc(dport->bfa, bfa_ioc_get_type(&bfa->ioc));
+		return BFA_STATUS_CMD_NOTSUPP_CNA;
+	}
+
+	/*
+	 * Check if port is in LOOP mode
+	 */
+	if ((bfa_fcport_get_cfg_topology(bfa) == BFA_PORT_TOPOLOGY_LOOP) ||
+	    (bfa_fcport_get_topology(bfa) == BFA_PORT_TOPOLOGY_LOOP)) {
+		bfa_trc(dport->bfa, 0);
+		return BFA_STATUS_TOPOLOGY_LOOP;
+	}
+
+	/*
+	 * Check if port is TRUNK mode
+	 */
+	if (bfa_fcport_is_trunk_enabled(bfa)) {
+		bfa_trc(dport->bfa, 0);
+		return BFA_STATUS_ERROR_TRUNK_ENABLED;
+	}
+
+	/*
+	 * Check if diag loopback is running
+	 */
+	if (bfa_fcdiag_lb_is_running(bfa)) {
+		bfa_trc(dport->bfa, 0);
+		return BFA_STATUS_DIAG_BUSY;
+	}
+
+	/*
+	 * Check to see if port is disable or in dport state
+	 */
+	if ((bfa_fcport_is_disabled(bfa) == BFA_FALSE) &&
+	    (bfa_fcport_is_dport(bfa) == BFA_FALSE)) {
+		bfa_trc(dport->bfa, 0);
+		return BFA_STATUS_PORT_NOT_DISABLED;
+	}
+
+	/*
+	 * Check if dport is in dynamic mode
+	 */
+	if (dport->dynamic)
+		return BFA_STATUS_DDPORT_ERR;
+
+	/*
+	 * Check if dport is busy
+	 */
+	if (bfa_dport_is_sending_req(dport))
+		return BFA_STATUS_DEVBUSY;
+
+	/*
+	 * Check if dport is already enabled
+	 */
+	if (bfa_sm_cmp_state(dport, bfa_dport_sm_enabled)) {
+		bfa_trc(dport->bfa, 0);
+		return BFA_STATUS_DPORT_ENABLED;
+	}
+
+	bfa_trc(dport->bfa, lpcnt);
+	bfa_trc(dport->bfa, pat);
+	dport->lpcnt = (lpcnt) ? lpcnt : DPORT_ENABLE_LOOPCNT_DEFAULT;
+	dport->payload = (pat) ? pat : LB_PATTERN_DEFAULT;
+	dport->cbfn = cbfn;
+	dport->cbarg = cbarg;
+
+	bfa_sm_send_event(dport, BFA_DPORT_SM_ENABLE);
+	return BFA_STATUS_OK;
+}
+
+/*
+ *	Dport disable
+ *
+ *	@param[in] *bfa            - bfa data struct
+ */
+bfa_status_t
+bfa_dport_disable(struct bfa_s *bfa, bfa_cb_diag_t cbfn, void *cbarg)
+{
+	struct bfa_fcdiag_s *fcdiag = BFA_FCDIAG_MOD(bfa);
+	struct bfa_dport_s *dport = &fcdiag->dport;
+
+	if (bfa_ioc_is_disabled(&bfa->ioc))
+		return BFA_STATUS_IOC_DISABLED;
+
+	/* if port is PBC disabled, return error */
+	if (bfa_fcport_is_pbcdisabled(bfa)) {
+		bfa_trc(dport->bfa, BFA_STATUS_PBC);
+		return BFA_STATUS_PBC;
+	}
+
+	/*
+	 * Check if dport is in dynamic mode
+	 */
+	if (dport->dynamic) {
+		return BFA_STATUS_DDPORT_ERR;
+	}
+
+	/*
+	 * Check to see if port is disable or in dport state
+	 */
+	if ((bfa_fcport_is_disabled(bfa) == BFA_FALSE) &&
+	    (bfa_fcport_is_dport(bfa) == BFA_FALSE)) {
+		bfa_trc(dport->bfa, 0);
+		return BFA_STATUS_PORT_NOT_DISABLED;
+	}
+
+	/*
+	 * Check if dport is busy
+	 */
+	if (bfa_dport_is_sending_req(dport))
+		return BFA_STATUS_DEVBUSY;
+
+	/*
+	 * Check if dport is already disabled
+	 */
+	if (bfa_sm_cmp_state(dport, bfa_dport_sm_disabled)) {
+		bfa_trc(dport->bfa, 0);
+		return BFA_STATUS_DPORT_DISABLED;
+	}
+
+	dport->cbfn = cbfn;
+	dport->cbarg = cbarg;
+
+	bfa_sm_send_event(dport, BFA_DPORT_SM_DISABLE);
+	return BFA_STATUS_OK;
+}
+
+/*
+ * Dport start -- restart dport test
+ *
+ *   @param[in] *bfa		- bfa data struct
+ */
+bfa_status_t
+bfa_dport_start(struct bfa_s *bfa, u32 lpcnt, u32 pat,
+			bfa_cb_diag_t cbfn, void *cbarg)
+{
+	struct bfa_fcdiag_s *fcdiag = BFA_FCDIAG_MOD(bfa);
+	struct bfa_dport_s *dport = &fcdiag->dport;
+
+	/*
+	 * Check to see if IOC is down
+	 */
+	if (!bfa_iocfc_is_operational(bfa))
+		return BFA_STATUS_IOC_NON_OP;
+
+	/*
+	 * Check if dport is in dynamic mode
+	 */
+	if (dport->dynamic)
+		return BFA_STATUS_DDPORT_ERR;
+
+	/*
+	 * Check if dport is busy
+	 */
+	if (bfa_dport_is_sending_req(dport))
+		return BFA_STATUS_DEVBUSY;
+
+	/*
+	 * Check if dport is in enabled state.
+	 * Test can only be restart when previous test has completed
+	 */
+	if (!bfa_sm_cmp_state(dport, bfa_dport_sm_enabled)) {
+		bfa_trc(dport->bfa, 0);
+		return BFA_STATUS_DPORT_DISABLED;
+
+	} else {
+		if (dport->test_state == BFA_DPORT_ST_NO_SFP)
+			return BFA_STATUS_DPORT_INV_SFP;
+
+		if (dport->test_state == BFA_DPORT_ST_INP)
+			return BFA_STATUS_DEVBUSY;
+
+		WARN_ON(dport->test_state != BFA_DPORT_ST_COMP);
+	}
+
+	bfa_trc(dport->bfa, lpcnt);
+	bfa_trc(dport->bfa, pat);
+
+	dport->lpcnt = (lpcnt) ? lpcnt : DPORT_ENABLE_LOOPCNT_DEFAULT;
+	dport->payload = (pat) ? pat : LB_PATTERN_DEFAULT;
+
+	dport->cbfn = cbfn;
+	dport->cbarg = cbarg;
+
+	bfa_sm_send_event(dport, BFA_DPORT_SM_START);
+	return BFA_STATUS_OK;
+}
+
+/*
+ * Dport show -- return dport test result
+ *
+ *   @param[in] *bfa		- bfa data struct
+ */
+bfa_status_t
+bfa_dport_show(struct bfa_s *bfa, struct bfa_diag_dport_result_s *result)
+{
+	struct bfa_fcdiag_s *fcdiag = BFA_FCDIAG_MOD(bfa);
+	struct bfa_dport_s *dport = &fcdiag->dport;
+
+	/*
+	 * Check to see if IOC is down
+	 */
+	if (!bfa_iocfc_is_operational(bfa))
+		return BFA_STATUS_IOC_NON_OP;
+
+	/*
+	 * Check if dport is busy
+	 */
+	if (bfa_dport_is_sending_req(dport))
+		return BFA_STATUS_DEVBUSY;
+
+	/*
+	 * Check if dport is in enabled state.
+	 */
+	if (!bfa_sm_cmp_state(dport, bfa_dport_sm_enabled)) {
+		bfa_trc(dport->bfa, 0);
+		return BFA_STATUS_DPORT_DISABLED;
+
+	}
+
+	/*
+	 * Check if there is SFP
+	 */
+	if (dport->test_state == BFA_DPORT_ST_NO_SFP)
+		return BFA_STATUS_DPORT_INV_SFP;
+
+	memcpy(result, &dport->result, sizeof(struct bfa_diag_dport_result_s));
+
+	return BFA_STATUS_OK;
+}