[SCSI] bfa: Brocade BFA FC SCSI driver
Add new driver for Brocade Hardware
Signed-off-by: Jing Huang <huangj@brocade.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
diff --git a/drivers/scsi/bfa/ms.c b/drivers/scsi/bfa/ms.c
new file mode 100644
index 0000000..c96b3ca
--- /dev/null
+++ b/drivers/scsi/bfa/ms.c
@@ -0,0 +1,759 @@
+/*
+ * 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 <bfa_svc.h>
+#include "fcs_lport.h"
+#include "fcs_rport.h"
+#include "fcs_trcmod.h"
+#include "fcs_fcxp.h"
+#include "lport_priv.h"
+
+BFA_TRC_FILE(FCS, MS);
+
+#define BFA_FCS_MS_CMD_MAX_RETRIES 2
+/*
+ * forward declarations
+ */
+static void bfa_fcs_port_ms_send_plogi(void *ms_cbarg,
+ struct bfa_fcxp_s *fcxp_alloced);
+static void bfa_fcs_port_ms_timeout(void *arg);
+static void bfa_fcs_port_ms_plogi_response(void *fcsarg,
+ struct bfa_fcxp_s *fcxp,
+ void *cbarg,
+ bfa_status_t req_status,
+ u32 rsp_len,
+ u32 resid_len,
+ struct fchs_s *rsp_fchs);
+
+static void bfa_fcs_port_ms_send_gmal(void *ms_cbarg,
+ struct bfa_fcxp_s *fcxp_alloced);
+static void bfa_fcs_port_ms_gmal_response(void *fcsarg,
+ struct bfa_fcxp_s *fcxp,
+ void *cbarg,
+ bfa_status_t req_status,
+ u32 rsp_len,
+ u32 resid_len,
+ struct fchs_s *rsp_fchs);
+static void bfa_fcs_port_ms_send_gfn(void *ms_cbarg,
+ struct bfa_fcxp_s *fcxp_alloced);
+static void bfa_fcs_port_ms_gfn_response(void *fcsarg,
+ struct bfa_fcxp_s *fcxp,
+ void *cbarg,
+ bfa_status_t req_status,
+ u32 rsp_len,
+ u32 resid_len,
+ struct fchs_s *rsp_fchs);
+/**
+ * fcs_ms_sm FCS MS state machine
+ */
+
+/**
+ * MS State Machine events
+ */
+enum port_ms_event {
+ MSSM_EVENT_PORT_ONLINE = 1,
+ MSSM_EVENT_PORT_OFFLINE = 2,
+ MSSM_EVENT_RSP_OK = 3,
+ MSSM_EVENT_RSP_ERROR = 4,
+ MSSM_EVENT_TIMEOUT = 5,
+ MSSM_EVENT_FCXP_SENT = 6,
+ MSSM_EVENT_PORT_FABRIC_RSCN = 7
+};
+
+static void bfa_fcs_port_ms_sm_offline(struct bfa_fcs_port_ms_s *ms,
+ enum port_ms_event event);
+static void bfa_fcs_port_ms_sm_plogi_sending(struct bfa_fcs_port_ms_s *ms,
+ enum port_ms_event event);
+static void bfa_fcs_port_ms_sm_plogi(struct bfa_fcs_port_ms_s *ms,
+ enum port_ms_event event);
+static void bfa_fcs_port_ms_sm_plogi_retry(struct bfa_fcs_port_ms_s *ms,
+ enum port_ms_event event);
+static void bfa_fcs_port_ms_sm_gmal_sending(struct bfa_fcs_port_ms_s *ms,
+ enum port_ms_event event);
+static void bfa_fcs_port_ms_sm_gmal(struct bfa_fcs_port_ms_s *ms,
+ enum port_ms_event event);
+static void bfa_fcs_port_ms_sm_gmal_retry(struct bfa_fcs_port_ms_s *ms,
+ enum port_ms_event event);
+static void bfa_fcs_port_ms_sm_gfn_sending(struct bfa_fcs_port_ms_s *ms,
+ enum port_ms_event event);
+static void bfa_fcs_port_ms_sm_gfn(struct bfa_fcs_port_ms_s *ms,
+ enum port_ms_event event);
+static void bfa_fcs_port_ms_sm_gfn_retry(struct bfa_fcs_port_ms_s *ms,
+ enum port_ms_event event);
+static void bfa_fcs_port_ms_sm_online(struct bfa_fcs_port_ms_s *ms,
+ enum port_ms_event event);
+/**
+ * Start in offline state - awaiting NS to send start.
+ */
+static void
+bfa_fcs_port_ms_sm_offline(struct bfa_fcs_port_ms_s *ms,
+ enum port_ms_event event)
+{
+ bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
+ bfa_trc(ms->port->fcs, event);
+
+ switch (event) {
+ case MSSM_EVENT_PORT_ONLINE:
+ bfa_sm_set_state(ms, bfa_fcs_port_ms_sm_plogi_sending);
+ bfa_fcs_port_ms_send_plogi(ms, NULL);
+ break;
+
+ case MSSM_EVENT_PORT_OFFLINE:
+ break;
+
+ default:
+ bfa_assert(0);
+ }
+}
+
+static void
+bfa_fcs_port_ms_sm_plogi_sending(struct bfa_fcs_port_ms_s *ms,
+ enum port_ms_event event)
+{
+ bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
+ bfa_trc(ms->port->fcs, event);
+
+ switch (event) {
+ case MSSM_EVENT_FCXP_SENT:
+ bfa_sm_set_state(ms, bfa_fcs_port_ms_sm_plogi);
+ break;
+
+ case MSSM_EVENT_PORT_OFFLINE:
+ bfa_sm_set_state(ms, bfa_fcs_port_ms_sm_offline);
+ bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(ms->port),
+ &ms->fcxp_wqe);
+ break;
+
+ default:
+ bfa_assert(0);
+ }
+}
+
+static void
+bfa_fcs_port_ms_sm_plogi(struct bfa_fcs_port_ms_s *ms, enum port_ms_event event)
+{
+ bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
+ bfa_trc(ms->port->fcs, event);
+
+ switch (event) {
+ case MSSM_EVENT_RSP_ERROR:
+ /*
+ * Start timer for a delayed retry
+ */
+ bfa_sm_set_state(ms, bfa_fcs_port_ms_sm_plogi_retry);
+ bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ms->port), &ms->timer,
+ bfa_fcs_port_ms_timeout, ms,
+ BFA_FCS_RETRY_TIMEOUT);
+ break;
+
+ case MSSM_EVENT_RSP_OK:
+ /*
+ * since plogi is done, now invoke MS related sub-modules
+ */
+ bfa_fcs_port_fdmi_online(ms);
+
+ /**
+ * if this is a Vport, go to online state.
+ */
+ if (ms->port->vport) {
+ bfa_sm_set_state(ms, bfa_fcs_port_ms_sm_online);
+ break;
+ }
+
+ /*
+ * For a base port we need to get the
+ * switch's IP address.
+ */
+ bfa_sm_set_state(ms, bfa_fcs_port_ms_sm_gmal_sending);
+ bfa_fcs_port_ms_send_gmal(ms, NULL);
+ break;
+
+ case MSSM_EVENT_PORT_OFFLINE:
+ bfa_sm_set_state(ms, bfa_fcs_port_ms_sm_offline);
+ bfa_fcxp_discard(ms->fcxp);
+ break;
+
+ default:
+ bfa_assert(0);
+ }
+}
+
+static void
+bfa_fcs_port_ms_sm_plogi_retry(struct bfa_fcs_port_ms_s *ms,
+ enum port_ms_event event)
+{
+ bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
+ bfa_trc(ms->port->fcs, event);
+
+ switch (event) {
+ case MSSM_EVENT_TIMEOUT:
+ /*
+ * Retry Timer Expired. Re-send
+ */
+ bfa_sm_set_state(ms, bfa_fcs_port_ms_sm_plogi_sending);
+ bfa_fcs_port_ms_send_plogi(ms, NULL);
+ break;
+
+ case MSSM_EVENT_PORT_OFFLINE:
+ bfa_sm_set_state(ms, bfa_fcs_port_ms_sm_offline);
+ bfa_timer_stop(&ms->timer);
+ break;
+
+ default:
+ bfa_assert(0);
+ }
+}
+
+static void
+bfa_fcs_port_ms_sm_online(struct bfa_fcs_port_ms_s *ms,
+ enum port_ms_event event)
+{
+ bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
+ bfa_trc(ms->port->fcs, event);
+
+ switch (event) {
+ case MSSM_EVENT_PORT_OFFLINE:
+ bfa_sm_set_state(ms, bfa_fcs_port_ms_sm_offline);
+ /*
+ * now invoke MS related sub-modules
+ */
+ bfa_fcs_port_fdmi_offline(ms);
+ break;
+
+ case MSSM_EVENT_PORT_FABRIC_RSCN:
+ bfa_sm_set_state(ms, bfa_fcs_port_ms_sm_gfn_sending);
+ ms->retry_cnt = 0;
+ bfa_fcs_port_ms_send_gfn(ms, NULL);
+ break;
+
+ default:
+ bfa_assert(0);
+ }
+}
+
+static void
+bfa_fcs_port_ms_sm_gmal_sending(struct bfa_fcs_port_ms_s *ms,
+ enum port_ms_event event)
+{
+ bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
+ bfa_trc(ms->port->fcs, event);
+
+ switch (event) {
+ case MSSM_EVENT_FCXP_SENT:
+ bfa_sm_set_state(ms, bfa_fcs_port_ms_sm_gmal);
+ break;
+
+ case MSSM_EVENT_PORT_OFFLINE:
+ bfa_sm_set_state(ms, bfa_fcs_port_ms_sm_offline);
+ bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(ms->port),
+ &ms->fcxp_wqe);
+ break;
+
+ default:
+ bfa_assert(0);
+ }
+}
+
+static void
+bfa_fcs_port_ms_sm_gmal(struct bfa_fcs_port_ms_s *ms, enum port_ms_event event)
+{
+ bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
+ bfa_trc(ms->port->fcs, event);
+
+ switch (event) {
+ case MSSM_EVENT_RSP_ERROR:
+ /*
+ * Start timer for a delayed retry
+ */
+ if (ms->retry_cnt++ < BFA_FCS_MS_CMD_MAX_RETRIES) {
+ bfa_sm_set_state(ms, bfa_fcs_port_ms_sm_gmal_retry);
+ bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ms->port),
+ &ms->timer, bfa_fcs_port_ms_timeout, ms,
+ BFA_FCS_RETRY_TIMEOUT);
+ } else {
+ bfa_sm_set_state(ms, bfa_fcs_port_ms_sm_gfn_sending);
+ bfa_fcs_port_ms_send_gfn(ms, NULL);
+ ms->retry_cnt = 0;
+ }
+ break;
+
+ case MSSM_EVENT_RSP_OK:
+ bfa_sm_set_state(ms, bfa_fcs_port_ms_sm_gfn_sending);
+ bfa_fcs_port_ms_send_gfn(ms, NULL);
+ break;
+
+ case MSSM_EVENT_PORT_OFFLINE:
+ bfa_sm_set_state(ms, bfa_fcs_port_ms_sm_offline);
+ bfa_fcxp_discard(ms->fcxp);
+ break;
+
+ default:
+ bfa_assert(0);
+ }
+}
+
+static void
+bfa_fcs_port_ms_sm_gmal_retry(struct bfa_fcs_port_ms_s *ms,
+ enum port_ms_event event)
+{
+ bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
+ bfa_trc(ms->port->fcs, event);
+
+ switch (event) {
+ case MSSM_EVENT_TIMEOUT:
+ /*
+ * Retry Timer Expired. Re-send
+ */
+ bfa_sm_set_state(ms, bfa_fcs_port_ms_sm_gmal_sending);
+ bfa_fcs_port_ms_send_gmal(ms, NULL);
+ break;
+
+ case MSSM_EVENT_PORT_OFFLINE:
+ bfa_sm_set_state(ms, bfa_fcs_port_ms_sm_offline);
+ bfa_timer_stop(&ms->timer);
+ break;
+
+ default:
+ bfa_assert(0);
+ }
+}
+
+/**
+ * ms_pvt MS local functions
+ */
+
+static void
+bfa_fcs_port_ms_send_gmal(void *ms_cbarg, struct bfa_fcxp_s *fcxp_alloced)
+{
+ struct bfa_fcs_port_ms_s *ms = ms_cbarg;
+ struct bfa_fcs_port_s *port = ms->port;
+ struct fchs_s fchs;
+ int len;
+ struct bfa_fcxp_s *fcxp;
+
+ bfa_trc(port->fcs, port->pid);
+
+ fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs);
+ if (!fcxp) {
+ bfa_fcxp_alloc_wait(port->fcs->bfa, &ms->fcxp_wqe,
+ bfa_fcs_port_ms_send_gmal, ms);
+ return;
+ }
+ ms->fcxp = fcxp;
+
+ len = fc_gmal_req_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
+ bfa_fcs_port_get_fcid(port),
+ bfa_lps_get_peer_nwwn(port->fabric->lps));
+
+ bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
+ FC_CLASS_3, len, &fchs, bfa_fcs_port_ms_gmal_response,
+ (void *)ms, FC_MAX_PDUSZ, FC_RA_TOV);
+
+ bfa_sm_send_event(ms, MSSM_EVENT_FCXP_SENT);
+}
+
+static void
+bfa_fcs_port_ms_gmal_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
+ void *cbarg, bfa_status_t req_status,
+ u32 rsp_len, u32 resid_len,
+ struct fchs_s *rsp_fchs)
+{
+ struct bfa_fcs_port_ms_s *ms = (struct bfa_fcs_port_ms_s *)cbarg;
+ struct bfa_fcs_port_s *port = ms->port;
+ struct ct_hdr_s *cthdr = NULL;
+ struct fcgs_gmal_resp_s *gmal_resp;
+ struct fc_gmal_entry_s *gmal_entry;
+ u32 num_entries;
+ u8 *rsp_str;
+
+ bfa_trc(port->fcs, req_status);
+ bfa_trc(port->fcs, port->port_cfg.pwwn);
+
+ /*
+ * Sanity Checks
+ */
+ if (req_status != BFA_STATUS_OK) {
+ bfa_trc(port->fcs, req_status);
+ bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR);
+ return;
+ }
+
+ cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp);
+ cthdr->cmd_rsp_code = bfa_os_ntohs(cthdr->cmd_rsp_code);
+
+ if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) {
+ gmal_resp = (struct fcgs_gmal_resp_s *)(cthdr + 1);
+ num_entries = bfa_os_ntohl(gmal_resp->ms_len);
+ if (num_entries == 0) {
+ bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR);
+ return;
+ }
+ /*
+ * The response could contain multiple Entries.
+ * Entries for SNMP interface, etc.
+ * We look for the entry with a telnet prefix.
+ * First "http://" entry refers to IP addr
+ */
+
+ gmal_entry = (struct fc_gmal_entry_s *)gmal_resp->ms_ma;
+ while (num_entries > 0) {
+ if (strncmp
+ (gmal_entry->prefix, CT_GMAL_RESP_PREFIX_HTTP,
+ sizeof(gmal_entry->prefix)) == 0) {
+
+ /*
+ * if the IP address is terminating with a '/',
+ * remove it. *Byte 0 consists of the length
+ * of the string.
+ */
+ rsp_str = &(gmal_entry->prefix[0]);
+ if (rsp_str[gmal_entry->len - 1] == '/')
+ rsp_str[gmal_entry->len - 1] = 0;
+ /*
+ * copy IP Address to fabric
+ */
+ strncpy(bfa_fcs_port_get_fabric_ipaddr(port),
+ gmal_entry->ip_addr,
+ BFA_FCS_FABRIC_IPADDR_SZ);
+ break;
+ } else {
+ --num_entries;
+ ++gmal_entry;
+ }
+ }
+
+ bfa_sm_send_event(ms, MSSM_EVENT_RSP_OK);
+ return;
+ }
+
+ bfa_trc(port->fcs, cthdr->reason_code);
+ bfa_trc(port->fcs, cthdr->exp_code);
+ bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR);
+}
+
+static void
+bfa_fcs_port_ms_sm_gfn_sending(struct bfa_fcs_port_ms_s *ms,
+ enum port_ms_event event)
+{
+ bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
+ bfa_trc(ms->port->fcs, event);
+
+ switch (event) {
+ case MSSM_EVENT_FCXP_SENT:
+ bfa_sm_set_state(ms, bfa_fcs_port_ms_sm_gfn);
+ break;
+
+ case MSSM_EVENT_PORT_OFFLINE:
+ bfa_sm_set_state(ms, bfa_fcs_port_ms_sm_offline);
+ bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(ms->port),
+ &ms->fcxp_wqe);
+ break;
+
+ default:
+ bfa_assert(0);
+ }
+}
+
+static void
+bfa_fcs_port_ms_sm_gfn(struct bfa_fcs_port_ms_s *ms, enum port_ms_event event)
+{
+ bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
+ bfa_trc(ms->port->fcs, event);
+
+ switch (event) {
+ case MSSM_EVENT_RSP_ERROR:
+ /*
+ * Start timer for a delayed retry
+ */
+ if (ms->retry_cnt++ < BFA_FCS_MS_CMD_MAX_RETRIES) {
+ bfa_sm_set_state(ms, bfa_fcs_port_ms_sm_gfn_retry);
+ bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ms->port),
+ &ms->timer, bfa_fcs_port_ms_timeout, ms,
+ BFA_FCS_RETRY_TIMEOUT);
+ } else {
+ bfa_sm_set_state(ms, bfa_fcs_port_ms_sm_online);
+ ms->retry_cnt = 0;
+ }
+ break;
+
+ case MSSM_EVENT_RSP_OK:
+ bfa_sm_set_state(ms, bfa_fcs_port_ms_sm_online);
+ break;
+
+ case MSSM_EVENT_PORT_OFFLINE:
+ bfa_sm_set_state(ms, bfa_fcs_port_ms_sm_offline);
+ bfa_fcxp_discard(ms->fcxp);
+ break;
+
+ default:
+ bfa_assert(0);
+ }
+}
+
+static void
+bfa_fcs_port_ms_sm_gfn_retry(struct bfa_fcs_port_ms_s *ms,
+ enum port_ms_event event)
+{
+ bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
+ bfa_trc(ms->port->fcs, event);
+
+ switch (event) {
+ case MSSM_EVENT_TIMEOUT:
+ /*
+ * Retry Timer Expired. Re-send
+ */
+ bfa_sm_set_state(ms, bfa_fcs_port_ms_sm_gfn_sending);
+ bfa_fcs_port_ms_send_gfn(ms, NULL);
+ break;
+
+ case MSSM_EVENT_PORT_OFFLINE:
+ bfa_sm_set_state(ms, bfa_fcs_port_ms_sm_offline);
+ bfa_timer_stop(&ms->timer);
+ break;
+
+ default:
+ bfa_assert(0);
+ }
+}
+
+/**
+ * ms_pvt MS local functions
+ */
+
+static void
+bfa_fcs_port_ms_send_gfn(void *ms_cbarg, struct bfa_fcxp_s *fcxp_alloced)
+{
+ struct bfa_fcs_port_ms_s *ms = ms_cbarg;
+ struct bfa_fcs_port_s *port = ms->port;
+ struct fchs_s fchs;
+ int len;
+ struct bfa_fcxp_s *fcxp;
+
+ bfa_trc(port->fcs, port->pid);
+
+ fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs);
+ if (!fcxp) {
+ bfa_fcxp_alloc_wait(port->fcs->bfa, &ms->fcxp_wqe,
+ bfa_fcs_port_ms_send_gfn, ms);
+ return;
+ }
+ ms->fcxp = fcxp;
+
+ len = fc_gfn_req_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
+ bfa_fcs_port_get_fcid(port),
+ bfa_lps_get_peer_nwwn(port->fabric->lps));
+
+ bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
+ FC_CLASS_3, len, &fchs, bfa_fcs_port_ms_gfn_response,
+ (void *)ms, FC_MAX_PDUSZ, FC_RA_TOV);
+
+ bfa_sm_send_event(ms, MSSM_EVENT_FCXP_SENT);
+}
+
+static void
+bfa_fcs_port_ms_gfn_response(void *fcsarg, struct bfa_fcxp_s *fcxp, void *cbarg,
+ bfa_status_t req_status, u32 rsp_len,
+ u32 resid_len, struct fchs_s *rsp_fchs)
+{
+ struct bfa_fcs_port_ms_s *ms = (struct bfa_fcs_port_ms_s *)cbarg;
+ struct bfa_fcs_port_s *port = ms->port;
+ struct ct_hdr_s *cthdr = NULL;
+ wwn_t *gfn_resp;
+
+ bfa_trc(port->fcs, req_status);
+ bfa_trc(port->fcs, port->port_cfg.pwwn);
+
+ /*
+ * Sanity Checks
+ */
+ if (req_status != BFA_STATUS_OK) {
+ bfa_trc(port->fcs, req_status);
+ bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR);
+ return;
+ }
+
+ cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp);
+ cthdr->cmd_rsp_code = bfa_os_ntohs(cthdr->cmd_rsp_code);
+
+ if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) {
+ gfn_resp = (wwn_t *) (cthdr + 1);
+ /*
+ * check if it has actually changed
+ */
+ if ((memcmp
+ ((void *)&bfa_fcs_port_get_fabric_name(port), gfn_resp,
+ sizeof(wwn_t)) != 0))
+ bfa_fcs_fabric_set_fabric_name(port->fabric, *gfn_resp);
+ bfa_sm_send_event(ms, MSSM_EVENT_RSP_OK);
+ return;
+ }
+
+ bfa_trc(port->fcs, cthdr->reason_code);
+ bfa_trc(port->fcs, cthdr->exp_code);
+ bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR);
+}
+
+/**
+ * ms_pvt MS local functions
+ */
+
+static void
+bfa_fcs_port_ms_send_plogi(void *ms_cbarg, struct bfa_fcxp_s *fcxp_alloced)
+{
+ struct bfa_fcs_port_ms_s *ms = ms_cbarg;
+ struct bfa_fcs_port_s *port = ms->port;
+ struct fchs_s fchs;
+ int len;
+ struct bfa_fcxp_s *fcxp;
+
+ bfa_trc(port->fcs, port->pid);
+
+ fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs);
+ if (!fcxp) {
+ port->stats.ms_plogi_alloc_wait++;
+ bfa_fcxp_alloc_wait(port->fcs->bfa, &ms->fcxp_wqe,
+ bfa_fcs_port_ms_send_plogi, ms);
+ return;
+ }
+ ms->fcxp = fcxp;
+
+ len = fc_plogi_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
+ bfa_os_hton3b(FC_MGMT_SERVER),
+ bfa_fcs_port_get_fcid(port), 0,
+ port->port_cfg.pwwn, port->port_cfg.nwwn,
+ bfa_pport_get_maxfrsize(port->fcs->bfa));
+
+ bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
+ FC_CLASS_3, len, &fchs, bfa_fcs_port_ms_plogi_response,
+ (void *)ms, FC_MAX_PDUSZ, FC_RA_TOV);
+
+ port->stats.ms_plogi_sent++;
+ bfa_sm_send_event(ms, MSSM_EVENT_FCXP_SENT);
+}
+
+static void
+bfa_fcs_port_ms_plogi_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
+ void *cbarg, bfa_status_t req_status,
+ u32 rsp_len, u32 resid_len,
+ struct fchs_s *rsp_fchs)
+{
+ struct bfa_fcs_port_ms_s *ms = (struct bfa_fcs_port_ms_s *)cbarg;
+
+ struct bfa_fcs_port_s *port = ms->port;
+ struct fc_els_cmd_s *els_cmd;
+ struct fc_ls_rjt_s *ls_rjt;
+
+ bfa_trc(port->fcs, req_status);
+ bfa_trc(port->fcs, port->port_cfg.pwwn);
+
+ /*
+ * Sanity Checks
+ */
+ if (req_status != BFA_STATUS_OK) {
+ port->stats.ms_plogi_rsp_err++;
+ bfa_trc(port->fcs, req_status);
+ bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR);
+ return;
+ }
+
+ els_cmd = (struct fc_els_cmd_s *) BFA_FCXP_RSP_PLD(fcxp);
+
+ switch (els_cmd->els_code) {
+
+ case FC_ELS_ACC:
+ if (rsp_len < sizeof(struct fc_logi_s)) {
+ bfa_trc(port->fcs, rsp_len);
+ port->stats.ms_plogi_acc_err++;
+ bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR);
+ break;
+ }
+ port->stats.ms_plogi_accepts++;
+ bfa_sm_send_event(ms, MSSM_EVENT_RSP_OK);
+ break;
+
+ case FC_ELS_LS_RJT:
+ ls_rjt = (struct fc_ls_rjt_s *) BFA_FCXP_RSP_PLD(fcxp);
+
+ bfa_trc(port->fcs, ls_rjt->reason_code);
+ bfa_trc(port->fcs, ls_rjt->reason_code_expl);
+
+ port->stats.ms_rejects++;
+ bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR);
+ break;
+
+ default:
+ port->stats.ms_plogi_unknown_rsp++;
+ bfa_trc(port->fcs, els_cmd->els_code);
+ bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR);
+ }
+}
+
+static void
+bfa_fcs_port_ms_timeout(void *arg)
+{
+ struct bfa_fcs_port_ms_s *ms = (struct bfa_fcs_port_ms_s *)arg;
+
+ ms->port->stats.ms_timeouts++;
+ bfa_sm_send_event(ms, MSSM_EVENT_TIMEOUT);
+}
+
+
+void
+bfa_fcs_port_ms_init(struct bfa_fcs_port_s *port)
+{
+ struct bfa_fcs_port_ms_s *ms = BFA_FCS_GET_MS_FROM_PORT(port);
+
+ ms->port = port;
+ bfa_sm_set_state(ms, bfa_fcs_port_ms_sm_offline);
+
+ /*
+ * Invoke init routines of sub modules.
+ */
+ bfa_fcs_port_fdmi_init(ms);
+}
+
+void
+bfa_fcs_port_ms_offline(struct bfa_fcs_port_s *port)
+{
+ struct bfa_fcs_port_ms_s *ms = BFA_FCS_GET_MS_FROM_PORT(port);
+
+ ms->port = port;
+ bfa_sm_send_event(ms, MSSM_EVENT_PORT_OFFLINE);
+}
+
+void
+bfa_fcs_port_ms_online(struct bfa_fcs_port_s *port)
+{
+ struct bfa_fcs_port_ms_s *ms = BFA_FCS_GET_MS_FROM_PORT(port);
+
+ ms->port = port;
+ bfa_sm_send_event(ms, MSSM_EVENT_PORT_ONLINE);
+}
+
+void
+bfa_fcs_port_ms_fabric_rscn(struct bfa_fcs_port_s *port)
+{
+ struct bfa_fcs_port_ms_s *ms = BFA_FCS_GET_MS_FROM_PORT(port);
+
+ /*
+ * @todo. Handle this only when in Online state
+ */
+ if (bfa_sm_cmp_state(ms, bfa_fcs_port_ms_sm_online))
+ bfa_sm_send_event(ms, MSSM_EVENT_PORT_FABRIC_RSCN);
+}