1 files changed, 782 insertions, 0 deletions

diff --git a/drivers/scsi/bfa/bfa_lps.c b/drivers/scsi/bfa/bfa_lps.c
new file mode 100644
index 00000000000..9844b45412b
--- /dev/null
+++ b/drivers/scsi/bfa/bfa_lps.c
@@ -0,0 +1,782 @@
+/*
+ * Copyright (c) 2005-2009 Brocade Communications Systems, Inc.
+ * All rights reserved
+ * www.brocade.com
+ *
+ * Linux driver for Brocade Fibre Channel Host Bus Adapter.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License (GPL) Version 2 as
+ * published by the Free Software Foundation
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ */
+
+#include <bfa.h>
+#include <bfi/bfi_lps.h>
+#include <cs/bfa_debug.h>
+
+BFA_TRC_FILE(HAL, LPS);
+BFA_MODULE(lps);
+
+#define BFA_LPS_MIN_LPORTS      (1)
+#define BFA_LPS_MAX_LPORTS      (256)
+
+/**
+ * forward declarations
+ */
+static void bfa_lps_meminfo(struct bfa_iocfc_cfg_s *cfg, u32 *ndm_len,
+                            u32 *dm_len);
+static void bfa_lps_attach(struct bfa_s *bfa, void *bfad,
+                           struct bfa_iocfc_cfg_s *cfg,
+                           struct bfa_meminfo_s *meminfo,
+                           struct bfa_pcidev_s *pcidev);
+static void bfa_lps_initdone(struct bfa_s *bfa);
+static void bfa_lps_detach(struct bfa_s *bfa);
+static void bfa_lps_start(struct bfa_s *bfa);
+static void bfa_lps_stop(struct bfa_s *bfa);
+static void bfa_lps_iocdisable(struct bfa_s *bfa);
+static void bfa_lps_login_rsp(struct bfa_s *bfa,
+                              struct bfi_lps_login_rsp_s *rsp);
+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_login_comp(struct bfa_lps_s *lps);
+static void bfa_lps_logout_comp(struct bfa_lps_s *lps);
+
+
+/**
+ *  lps_pvt BFA LPS private functions
+ */
+
+enum bfa_lps_event {
+        BFA_LPS_SM_LOGIN        = 1,    /* login request from user      */
+        BFA_LPS_SM_LOGOUT       = 2,    /* logout request from user     */
+        BFA_LPS_SM_FWRSP        = 3,    /* f/w response to login/logout */
+        BFA_LPS_SM_RESUME       = 4,    /* space present in reqq queue  */
+        BFA_LPS_SM_DELETE       = 5,    /* lps delete from user         */
+        BFA_LPS_SM_OFFLINE      = 6,    /* Link is offline              */
+};
+
+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_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);
+
+/**
+ * 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->lp_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);
+                }
+                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_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;
+
+        default:
+                bfa_assert(0);
+        }
+}
+
+/**
+ * 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->lp_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);
+                else
+                        bfa_sm_set_state(lps, bfa_lps_sm_init);
+                bfa_lps_login_comp(lps);
+                break;
+
+        case BFA_LPS_SM_OFFLINE:
+                bfa_sm_set_state(lps, bfa_lps_sm_init);
+                break;
+
+        default:
+                bfa_assert(0);
+        }
+}
+
+/**
+ * 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->lp_tag);
+        bfa_trc(lps->bfa, event);
+
+        switch (event) {
+        case BFA_LPS_SM_RESUME:
+                bfa_sm_set_state(lps, bfa_lps_sm_login);
+                break;
+
+        case BFA_LPS_SM_OFFLINE:
+                bfa_sm_set_state(lps, bfa_lps_sm_init);
+                bfa_reqq_wcancel(&lps->wqe);
+                break;
+
+        default:
+                bfa_assert(0);
+        }
+}
+
+/**
+ * login complete
+ */
+static void
+bfa_lps_sm_online(struct bfa_lps_s *lps, enum bfa_lps_event event)
+{
+        bfa_trc(lps->bfa, lps->lp_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);
+                }
+                break;
+
+        case BFA_LPS_SM_OFFLINE:
+        case BFA_LPS_SM_DELETE:
+                bfa_sm_set_state(lps, bfa_lps_sm_init);
+                break;
+
+        default:
+                bfa_assert(0);
+        }
+}
+
+/**
+ * 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->lp_tag);
+        bfa_trc(lps->bfa, event);
+
+        switch (event) {
+        case BFA_LPS_SM_FWRSP:
+                bfa_sm_set_state(lps, bfa_lps_sm_init);
+                bfa_lps_logout_comp(lps);
+                break;
+
+        case BFA_LPS_SM_OFFLINE:
+                bfa_sm_set_state(lps, bfa_lps_sm_init);
+                break;
+
+        default:
+                bfa_assert(0);
+        }
+}
+
+/**
+ * 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->lp_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:
+                bfa_sm_set_state(lps, bfa_lps_sm_init);
+                bfa_reqq_wcancel(&lps->wqe);
+                break;
+
+        default:
+                bfa_assert(0);
+        }
+}
+
+
+
+/**
+ *  lps_pvt BFA LPS private functions
+ */
+
+/**
+ * return memory requirement
+ */
+static void
+bfa_lps_meminfo(struct bfa_iocfc_cfg_s *cfg, u32 *ndm_len, u32 *dm_len)
+{
+        if (cfg->drvcfg.min_cfg)
+                *ndm_len += sizeof(struct bfa_lps_s) * BFA_LPS_MIN_LPORTS;
+        else
+                *ndm_len += sizeof(struct bfa_lps_s) * BFA_LPS_MAX_LPORTS;
+}
+
+/**
+ * bfa module attach at initialization time
+ */
+static void
+bfa_lps_attach(struct bfa_s *bfa, void *bfad, struct bfa_iocfc_cfg_s *cfg,
+                struct bfa_meminfo_s *meminfo, struct bfa_pcidev_s *pcidev)
+{
+        struct bfa_lps_mod_s    *mod = BFA_LPS_MOD(bfa);
+        struct bfa_lps_s        *lps;
+        int                     i;
+
+        bfa_os_memset(mod, 0, sizeof(struct bfa_lps_mod_s));
+        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_meminfo_kva(meminfo);
+
+        bfa_meminfo_kva(meminfo) += mod->num_lps * sizeof(struct bfa_lps_s);
+
+        INIT_LIST_HEAD(&mod->lps_free_q);
+        INIT_LIST_HEAD(&mod->lps_active_q);
+
+        for (i = 0; i < mod->num_lps; i++, lps++) {
+                lps->bfa        = bfa;
+                lps->lp_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);
+        }
+}
+
+static void
+bfa_lps_initdone(struct bfa_s *bfa)
+{
+}
+
+static void
+bfa_lps_detach(struct bfa_s *bfa)
+{
+}
+
+static void
+bfa_lps_start(struct bfa_s *bfa)
+{
+}
+
+static void
+bfa_lps_stop(struct bfa_s *bfa)
+{
+}
+
+/**
+ * IOC in disabled state -- consider all lps offline
+ */
+static 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);
+        }
+}
+
+/**
+ * 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;
+
+        bfa_assert(rsp->lp_tag < mod->num_lps);
+        lps = BFA_LPS_FROM_TAG(mod, rsp->lp_tag);
+
+        lps->status = rsp->status;
+        switch (rsp->status) {
+        case BFA_STATUS_OK:
+                lps->fport      = rsp->f_port;
+                lps->npiv_en    = rsp->npiv_en;
+                lps->lp_pid     = rsp->lp_pid;
+                lps->pr_bbcred  = bfa_os_ntohs(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;
+
+        default:
+                /* Nothing to do with other status */
+                break;
+        }
+
+        bfa_sm_send_event(lps, BFA_LPS_SM_FWRSP);
+}
+
+/**
+ * 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;
+
+        bfa_assert(rsp->lp_tag < mod->num_lps);
+        lps = BFA_LPS_FROM_TAG(mod, rsp->lp_tag);
+
+        bfa_sm_send_event(lps, BFA_LPS_SM_FWRSP);
+}
+
+/**
+ * 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);
+
+        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 bfi_lps_login_req_s      *m;
+
+        m = bfa_reqq_next(lps->bfa, lps->reqq);
+        bfa_assert(m);
+
+        bfi_h2i_set(m->mh, BFI_MC_LPS, BFI_LPS_H2I_LOGIN_REQ,
+                        bfa_lpuid(lps->bfa));
+
+        m->lp_tag       = lps->lp_tag;
+        m->alpa         = lps->alpa;
+        m->pdu_size     = bfa_os_htons(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);
+}
+
+/**
+ * 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);
+        bfa_assert(m);
+
+        bfi_h2i_set(m->mh, BFI_MC_LPS, BFI_LPS_H2I_LOGOUT_REQ,
+                        bfa_lpuid(lps->bfa));
+
+        m->lp_tag    = lps->lp_tag;
+        m->port_name = lps->pwwn;
+        bfa_reqq_produce(lps->bfa, lps->reqq);
+}
+
+/**
+ * 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);
+        else
+                bfa_cb_lps_flogo_comp(lps->bfa->bfad, lps->uarg);
+}
+
+
+
+/**
+ *  lps_public BFA LPS public functions
+ */
+
+/**
+ * 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 logout (flogi).
+ */
+void
+bfa_lps_flogo(struct bfa_lps_s *lps)
+{
+        bfa_sm_send_event(lps, BFA_LPS_SM_LOGOUT);
+}
+
+/**
+ * Initiate a lport FDSIC logout.
+ */
+void
+bfa_lps_fdisclogo(struct bfa_lps_s *lps)
+{
+        bfa_sm_send_event(lps, BFA_LPS_SM_LOGOUT);
+}
+
+/**
+ * Discard a pending login request -- should be called only for
+ * link down handling.
+ */
+void
+bfa_lps_discard(struct bfa_lps_s *lps)
+{
+        bfa_sm_send_event(lps, BFA_LPS_SM_OFFLINE);
+}
+
+/**
+ * Return lport services tag
+ */
+u8
+bfa_lps_get_tag(struct bfa_lps_s *lps)
+{
+        return lps->lp_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->lp_tag;
+        }
+
+        /* Return base port tag anyway */
+        return 0;
+}
+
+/**
+ * return if fabric login indicates support for NPIV
+ */
+bfa_boolean_t
+bfa_lps_is_npiv_en(struct bfa_lps_s *lps)
+{
+        return lps->npiv_en;
+}
+
+/**
+ * Return TRUE if attached to F-Port, else return FALSE
+ */
+bfa_boolean_t
+bfa_lps_is_fport(struct bfa_lps_s *lps)
+{
+        return lps->fport;
+}
+
+/**
+ * Return TRUE if attached to a Brocade Fabric
+ */
+bfa_boolean_t
+bfa_lps_is_brcd_fabric(struct bfa_lps_s *lps)
+{
+        return lps->brcd_switch;
+}
+/**
+ * return TRUE if authentication is required
+ */
+bfa_boolean_t
+bfa_lps_is_authreq(struct bfa_lps_s *lps)
+{
+        return lps->auth_req;
+}
+
+bfa_eproto_status_t
+bfa_lps_get_extstatus(struct bfa_lps_s *lps)
+{
+        return lps->ext_status;
+}
+
+/**
+ * return port id assigned to the lport
+ */
+u32
+bfa_lps_get_pid(struct bfa_lps_s *lps)
+{
+        return lps->lp_pid;
+}
+
+/**
+ * Return bb_credit assigned in FLOGI response
+ */
+u16
+bfa_lps_get_peer_bbcredit(struct bfa_lps_s *lps)
+{
+        return lps->pr_bbcred;
+}
+
+/**
+ * Return peer port name
+ */
+wwn_t
+bfa_lps_get_peer_pwwn(struct bfa_lps_s *lps)
+{
+        return lps->pr_pwwn;
+}
+
+/**
+ * Return peer node name
+ */
+wwn_t
+bfa_lps_get_peer_nwwn(struct bfa_lps_s *lps)
+{
+        return lps->pr_nwwn;
+}
+
+/**
+ * return reason code if login request is rejected
+ */
+u8
+bfa_lps_get_lsrjt_rsn(struct bfa_lps_s *lps)
+{
+        return lps->lsrjt_rsn;
+}
+
+/**
+ * return explanation code if login request is rejected
+ */
+u8
+bfa_lps_get_lsrjt_expl(struct bfa_lps_s *lps)
+{
+        return lps->lsrjt_expl;
+}
+
+
+/**
+ * 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_H2I_LOGIN_RSP:
+                bfa_lps_login_rsp(bfa, msg.login_rsp);
+                break;
+
+        case BFI_LPS_H2I_LOGOUT_RSP:
+                bfa_lps_logout_rsp(bfa, msg.logout_rsp);
+                break;
+
+        default:
+                bfa_trc(bfa, m->mhdr.msg_id);
+                bfa_assert(0);
+        }
+}
+
+