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Diffstat (limited to 'drivers/scsi/bfa/ns.c')
-rw-r--r--drivers/scsi/bfa/ns.c1242
1 files changed, 0 insertions, 1242 deletions
diff --git a/drivers/scsi/bfa/ns.c b/drivers/scsi/bfa/ns.c
deleted file mode 100644
index ae0edcc86ed..00000000000
--- a/drivers/scsi/bfa/ns.c
+++ /dev/null
@@ -1,1242 +0,0 @@
-/*
- * 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.
- */
-
-/**
- * @page ns_sm_info VPORT NS State Machine
- *
- * @section ns_sm_interactions VPORT NS State Machine Interactions
- *
- * @section ns_sm VPORT NS State Machine
- * img ns_sm.jpg
- */
-#include <bfa.h>
-#include <bfa_svc.h>
-#include <bfa_iocfc.h>
-#include "fcs_lport.h"
-#include "fcs_rport.h"
-#include "fcs_trcmod.h"
-#include "fcs_fcxp.h"
-#include "fcs.h"
-#include "lport_priv.h"
-
-BFA_TRC_FILE(FCS, NS);
-
-/*
- * forward declarations
- */
-static void bfa_fcs_port_ns_send_plogi(void *ns_cbarg,
- struct bfa_fcxp_s *fcxp_alloced);
-static void bfa_fcs_port_ns_send_rspn_id(void *ns_cbarg,
- struct bfa_fcxp_s *fcxp_alloced);
-static void bfa_fcs_port_ns_send_rft_id(void *ns_cbarg,
- struct bfa_fcxp_s *fcxp_alloced);
-static void bfa_fcs_port_ns_send_rff_id(void *ns_cbarg,
- struct bfa_fcxp_s *fcxp_alloced);
-static void bfa_fcs_port_ns_send_gid_ft(void *ns_cbarg,
- struct bfa_fcxp_s *fcxp_alloced);
-static void bfa_fcs_port_ns_timeout(void *arg);
-static void bfa_fcs_port_ns_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_ns_rspn_id_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_ns_rft_id_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_ns_rff_id_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_ns_gid_ft_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_ns_process_gidft_pids(struct bfa_fcs_port_s *port,
- u32 *pid_buf,
- u32 n_pids);
-
-static void bfa_fcs_port_ns_boot_target_disc(struct bfa_fcs_port_s *port);
-/**
- * fcs_ns_sm FCS nameserver interface state machine
- */
-
-/**
- * VPort NS State Machine events
- */
-enum vport_ns_event {
- NSSM_EVENT_PORT_ONLINE = 1,
- NSSM_EVENT_PORT_OFFLINE = 2,
- NSSM_EVENT_PLOGI_SENT = 3,
- NSSM_EVENT_RSP_OK = 4,
- NSSM_EVENT_RSP_ERROR = 5,
- NSSM_EVENT_TIMEOUT = 6,
- NSSM_EVENT_NS_QUERY = 7,
- NSSM_EVENT_RSPNID_SENT = 8,
- NSSM_EVENT_RFTID_SENT = 9,
- NSSM_EVENT_RFFID_SENT = 10,
- NSSM_EVENT_GIDFT_SENT = 11,
-};
-
-static void bfa_fcs_port_ns_sm_offline(struct bfa_fcs_port_ns_s *ns,
- enum vport_ns_event event);
-static void bfa_fcs_port_ns_sm_plogi_sending(struct bfa_fcs_port_ns_s *ns,
- enum vport_ns_event event);
-static void bfa_fcs_port_ns_sm_plogi(struct bfa_fcs_port_ns_s *ns,
- enum vport_ns_event event);
-static void bfa_fcs_port_ns_sm_plogi_retry(struct bfa_fcs_port_ns_s *ns,
- enum vport_ns_event event);
-static void bfa_fcs_port_ns_sm_sending_rspn_id(struct bfa_fcs_port_ns_s *ns,
- enum vport_ns_event event);
-static void bfa_fcs_port_ns_sm_rspn_id(struct bfa_fcs_port_ns_s *ns,
- enum vport_ns_event event);
-static void bfa_fcs_port_ns_sm_rspn_id_retry(struct bfa_fcs_port_ns_s *ns,
- enum vport_ns_event event);
-static void bfa_fcs_port_ns_sm_sending_rft_id(struct bfa_fcs_port_ns_s *ns,
- enum vport_ns_event event);
-static void bfa_fcs_port_ns_sm_rft_id_retry(struct bfa_fcs_port_ns_s *ns,
- enum vport_ns_event event);
-static void bfa_fcs_port_ns_sm_rft_id(struct bfa_fcs_port_ns_s *ns,
- enum vport_ns_event event);
-static void bfa_fcs_port_ns_sm_sending_rff_id(struct bfa_fcs_port_ns_s *ns,
- enum vport_ns_event event);
-static void bfa_fcs_port_ns_sm_rff_id_retry(struct bfa_fcs_port_ns_s *ns,
- enum vport_ns_event event);
-static void bfa_fcs_port_ns_sm_rff_id(struct bfa_fcs_port_ns_s *ns,
- enum vport_ns_event event);
-static void bfa_fcs_port_ns_sm_sending_gid_ft(struct bfa_fcs_port_ns_s *ns,
- enum vport_ns_event event);
-static void bfa_fcs_port_ns_sm_gid_ft(struct bfa_fcs_port_ns_s *ns,
- enum vport_ns_event event);
-static void bfa_fcs_port_ns_sm_gid_ft_retry(struct bfa_fcs_port_ns_s *ns,
- enum vport_ns_event event);
-static void bfa_fcs_port_ns_sm_online(struct bfa_fcs_port_ns_s *ns,
- enum vport_ns_event event);
-/**
- * Start in offline state - awaiting linkup
- */
-static void
-bfa_fcs_port_ns_sm_offline(struct bfa_fcs_port_ns_s *ns,
- enum vport_ns_event event)
-{
- bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
- bfa_trc(ns->port->fcs, event);
-
- switch (event) {
- case NSSM_EVENT_PORT_ONLINE:
- bfa_sm_set_state(ns, bfa_fcs_port_ns_sm_plogi_sending);
- bfa_fcs_port_ns_send_plogi(ns, NULL);
- break;
-
- case NSSM_EVENT_PORT_OFFLINE:
- break;
-
- default:
- bfa_sm_fault(ns->port->fcs, event);
- }
-}
-
-static void
-bfa_fcs_port_ns_sm_plogi_sending(struct bfa_fcs_port_ns_s *ns,
- enum vport_ns_event event)
-{
- bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
- bfa_trc(ns->port->fcs, event);
-
- switch (event) {
- case NSSM_EVENT_PLOGI_SENT:
- bfa_sm_set_state(ns, bfa_fcs_port_ns_sm_plogi);
- break;
-
- case NSSM_EVENT_PORT_OFFLINE:
- bfa_sm_set_state(ns, bfa_fcs_port_ns_sm_offline);
- bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
- &ns->fcxp_wqe);
- break;
-
- default:
- bfa_sm_fault(ns->port->fcs, event);
- }
-}
-
-static void
-bfa_fcs_port_ns_sm_plogi(struct bfa_fcs_port_ns_s *ns,
- enum vport_ns_event event)
-{
- bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
- bfa_trc(ns->port->fcs, event);
-
- switch (event) {
- case NSSM_EVENT_RSP_ERROR:
- /*
- * Start timer for a delayed retry
- */
- bfa_sm_set_state(ns, bfa_fcs_port_ns_sm_plogi_retry);
- ns->port->stats.ns_retries++;
- bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ns->port), &ns->timer,
- bfa_fcs_port_ns_timeout, ns,
- BFA_FCS_RETRY_TIMEOUT);
- break;
-
- case NSSM_EVENT_RSP_OK:
- bfa_sm_set_state(ns, bfa_fcs_port_ns_sm_sending_rspn_id);
- bfa_fcs_port_ns_send_rspn_id(ns, NULL);
- break;
-
- case NSSM_EVENT_PORT_OFFLINE:
- bfa_sm_set_state(ns, bfa_fcs_port_ns_sm_offline);
- bfa_fcxp_discard(ns->fcxp);
- break;
-
- default:
- bfa_sm_fault(ns->port->fcs, event);
- }
-}
-
-static void
-bfa_fcs_port_ns_sm_plogi_retry(struct bfa_fcs_port_ns_s *ns,
- enum vport_ns_event event)
-{
- bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
- bfa_trc(ns->port->fcs, event);
-
- switch (event) {
- case NSSM_EVENT_TIMEOUT:
- /*
- * Retry Timer Expired. Re-send
- */
- bfa_sm_set_state(ns, bfa_fcs_port_ns_sm_plogi_sending);
- bfa_fcs_port_ns_send_plogi(ns, NULL);
- break;
-
- case NSSM_EVENT_PORT_OFFLINE:
- bfa_sm_set_state(ns, bfa_fcs_port_ns_sm_offline);
- bfa_timer_stop(&ns->timer);
- break;
-
- default:
- bfa_sm_fault(ns->port->fcs, event);
- }
-}
-
-static void
-bfa_fcs_port_ns_sm_sending_rspn_id(struct bfa_fcs_port_ns_s *ns,
- enum vport_ns_event event)
-{
- bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
- bfa_trc(ns->port->fcs, event);
-
- switch (event) {
- case NSSM_EVENT_RSPNID_SENT:
- bfa_sm_set_state(ns, bfa_fcs_port_ns_sm_rspn_id);
- break;
-
- case NSSM_EVENT_PORT_OFFLINE:
- bfa_sm_set_state(ns, bfa_fcs_port_ns_sm_offline);
- bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
- &ns->fcxp_wqe);
- break;
-
- default:
- bfa_sm_fault(ns->port->fcs, event);
- }
-}
-
-static void
-bfa_fcs_port_ns_sm_rspn_id(struct bfa_fcs_port_ns_s *ns,
- enum vport_ns_event event)
-{
- bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
- bfa_trc(ns->port->fcs, event);
-
- switch (event) {
- case NSSM_EVENT_RSP_ERROR:
- /*
- * Start timer for a delayed retry
- */
- bfa_sm_set_state(ns, bfa_fcs_port_ns_sm_rspn_id_retry);
- ns->port->stats.ns_retries++;
- bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ns->port), &ns->timer,
- bfa_fcs_port_ns_timeout, ns,
- BFA_FCS_RETRY_TIMEOUT);
- break;
-
- case NSSM_EVENT_RSP_OK:
- bfa_sm_set_state(ns, bfa_fcs_port_ns_sm_sending_rft_id);
- bfa_fcs_port_ns_send_rft_id(ns, NULL);
- break;
-
- case NSSM_EVENT_PORT_OFFLINE:
- bfa_fcxp_discard(ns->fcxp);
- bfa_sm_set_state(ns, bfa_fcs_port_ns_sm_offline);
- break;
-
- default:
- bfa_sm_fault(ns->port->fcs, event);
- }
-}
-
-static void
-bfa_fcs_port_ns_sm_rspn_id_retry(struct bfa_fcs_port_ns_s *ns,
- enum vport_ns_event event)
-{
- bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
- bfa_trc(ns->port->fcs, event);
-
- switch (event) {
- case NSSM_EVENT_TIMEOUT:
- /*
- * Retry Timer Expired. Re-send
- */
- bfa_sm_set_state(ns, bfa_fcs_port_ns_sm_sending_rspn_id);
- bfa_fcs_port_ns_send_rspn_id(ns, NULL);
- break;
-
- case NSSM_EVENT_PORT_OFFLINE:
- bfa_sm_set_state(ns, bfa_fcs_port_ns_sm_offline);
- bfa_timer_stop(&ns->timer);
- break;
-
- default:
- bfa_sm_fault(ns->port->fcs, event);
- }
-}
-
-static void
-bfa_fcs_port_ns_sm_sending_rft_id(struct bfa_fcs_port_ns_s *ns,
- enum vport_ns_event event)
-{
- bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
- bfa_trc(ns->port->fcs, event);
-
- switch (event) {
- case NSSM_EVENT_RFTID_SENT:
- bfa_sm_set_state(ns, bfa_fcs_port_ns_sm_rft_id);
- break;
-
- case NSSM_EVENT_PORT_OFFLINE:
- bfa_sm_set_state(ns, bfa_fcs_port_ns_sm_offline);
- bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
- &ns->fcxp_wqe);
- break;
-
- default:
- bfa_sm_fault(ns->port->fcs, event);
- }
-}
-
-static void
-bfa_fcs_port_ns_sm_rft_id(struct bfa_fcs_port_ns_s *ns,
- enum vport_ns_event event)
-{
- bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
- bfa_trc(ns->port->fcs, event);
-
- switch (event) {
- case NSSM_EVENT_RSP_OK:
- /*
- * Now move to register FC4 Features
- */
- bfa_sm_set_state(ns, bfa_fcs_port_ns_sm_sending_rff_id);
- bfa_fcs_port_ns_send_rff_id(ns, NULL);
- break;
-
- case NSSM_EVENT_RSP_ERROR:
- /*
- * Start timer for a delayed retry
- */
- bfa_sm_set_state(ns, bfa_fcs_port_ns_sm_rft_id_retry);
- ns->port->stats.ns_retries++;
- bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ns->port), &ns->timer,
- bfa_fcs_port_ns_timeout, ns,
- BFA_FCS_RETRY_TIMEOUT);
- break;
-
- case NSSM_EVENT_PORT_OFFLINE:
- bfa_sm_set_state(ns, bfa_fcs_port_ns_sm_offline);
- bfa_fcxp_discard(ns->fcxp);
- break;
-
- default:
- bfa_sm_fault(ns->port->fcs, event);
- }
-}
-
-static void
-bfa_fcs_port_ns_sm_rft_id_retry(struct bfa_fcs_port_ns_s *ns,
- enum vport_ns_event event)
-{
- bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
- bfa_trc(ns->port->fcs, event);
-
- switch (event) {
- case NSSM_EVENT_TIMEOUT:
- bfa_sm_set_state(ns, bfa_fcs_port_ns_sm_sending_rft_id);
- bfa_fcs_port_ns_send_rft_id(ns, NULL);
- break;
-
- case NSSM_EVENT_PORT_OFFLINE:
- bfa_sm_set_state(ns, bfa_fcs_port_ns_sm_offline);
- bfa_timer_stop(&ns->timer);
- break;
-
- default:
- bfa_sm_fault(ns->port->fcs, event);
- }
-}
-
-static void
-bfa_fcs_port_ns_sm_sending_rff_id(struct bfa_fcs_port_ns_s *ns,
- enum vport_ns_event event)
-{
- bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
- bfa_trc(ns->port->fcs, event);
-
- switch (event) {
- case NSSM_EVENT_RFFID_SENT:
- bfa_sm_set_state(ns, bfa_fcs_port_ns_sm_rff_id);
- break;
-
- case NSSM_EVENT_PORT_OFFLINE:
- bfa_sm_set_state(ns, bfa_fcs_port_ns_sm_offline);
- bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
- &ns->fcxp_wqe);
- break;
-
- default:
- bfa_sm_fault(ns->port->fcs, event);
- }
-}
-
-static void
-bfa_fcs_port_ns_sm_rff_id(struct bfa_fcs_port_ns_s *ns,
- enum vport_ns_event event)
-{
- bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
- bfa_trc(ns->port->fcs, event);
-
- switch (event) {
- case NSSM_EVENT_RSP_OK:
-
- /*
- * If min cfg mode is enabled, we donot initiate rport
- * discovery with the fabric. Instead, we will retrieve the
- * boot targets from HAL/FW.
- */
- if (__fcs_min_cfg(ns->port->fcs)) {
- bfa_fcs_port_ns_boot_target_disc(ns->port);
- bfa_sm_set_state(ns, bfa_fcs_port_ns_sm_online);
- return;
- }
-
- /*
- * If the port role is Initiator Mode issue NS query.
- * If it is Target Mode, skip this and go to online.
- */
- if (BFA_FCS_VPORT_IS_INITIATOR_MODE(ns->port)) {
- bfa_sm_set_state(ns, bfa_fcs_port_ns_sm_sending_gid_ft);
- bfa_fcs_port_ns_send_gid_ft(ns, NULL);
- } else if (BFA_FCS_VPORT_IS_TARGET_MODE(ns->port)) {
- bfa_sm_set_state(ns, bfa_fcs_port_ns_sm_online);
- }
- /*
- * kick off mgmt srvr state machine
- */
- bfa_fcs_port_ms_online(ns->port);
- break;
-
- case NSSM_EVENT_RSP_ERROR:
- /*
- * Start timer for a delayed retry
- */
- bfa_sm_set_state(ns, bfa_fcs_port_ns_sm_rff_id_retry);
- ns->port->stats.ns_retries++;
- bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ns->port), &ns->timer,
- bfa_fcs_port_ns_timeout, ns,
- BFA_FCS_RETRY_TIMEOUT);
- break;
-
- case NSSM_EVENT_PORT_OFFLINE:
- bfa_sm_set_state(ns, bfa_fcs_port_ns_sm_offline);
- bfa_fcxp_discard(ns->fcxp);
- break;
-
- default:
- bfa_sm_fault(ns->port->fcs, event);
- }
-}
-
-static void
-bfa_fcs_port_ns_sm_rff_id_retry(struct bfa_fcs_port_ns_s *ns,
- enum vport_ns_event event)
-{
- bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
- bfa_trc(ns->port->fcs, event);
-
- switch (event) {
- case NSSM_EVENT_TIMEOUT:
- bfa_sm_set_state(ns, bfa_fcs_port_ns_sm_sending_rff_id);
- bfa_fcs_port_ns_send_rff_id(ns, NULL);
- break;
-
- case NSSM_EVENT_PORT_OFFLINE:
- bfa_sm_set_state(ns, bfa_fcs_port_ns_sm_offline);
- bfa_timer_stop(&ns->timer);
- break;
-
- default:
- bfa_sm_fault(ns->port->fcs, event);
- }
-}
-static void
-bfa_fcs_port_ns_sm_sending_gid_ft(struct bfa_fcs_port_ns_s *ns,
- enum vport_ns_event event)
-{
- bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
- bfa_trc(ns->port->fcs, event);
-
- switch (event) {
- case NSSM_EVENT_GIDFT_SENT:
- bfa_sm_set_state(ns, bfa_fcs_port_ns_sm_gid_ft);
- break;
-
- case NSSM_EVENT_PORT_OFFLINE:
- bfa_sm_set_state(ns, bfa_fcs_port_ns_sm_offline);
- bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
- &ns->fcxp_wqe);
- break;
-
- default:
- bfa_sm_fault(ns->port->fcs, event);
- }
-}
-
-static void
-bfa_fcs_port_ns_sm_gid_ft(struct bfa_fcs_port_ns_s *ns,
- enum vport_ns_event event)
-{
- bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
- bfa_trc(ns->port->fcs, event);
-
- switch (event) {
- case NSSM_EVENT_RSP_OK:
- bfa_sm_set_state(ns, bfa_fcs_port_ns_sm_online);
- break;
-
- case NSSM_EVENT_RSP_ERROR:
- /*
- * TBD: for certain reject codes, we don't need to retry
- */
- /*
- * Start timer for a delayed retry
- */
- bfa_sm_set_state(ns, bfa_fcs_port_ns_sm_gid_ft_retry);
- ns->port->stats.ns_retries++;
- bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ns->port), &ns->timer,
- bfa_fcs_port_ns_timeout, ns,
- BFA_FCS_RETRY_TIMEOUT);
- break;
-
- case NSSM_EVENT_PORT_OFFLINE:
- bfa_sm_set_state(ns, bfa_fcs_port_ns_sm_offline);
- bfa_fcxp_discard(ns->fcxp);
- break;
-
- default:
- bfa_sm_fault(ns->port->fcs, event);
- }
-}
-
-static void
-bfa_fcs_port_ns_sm_gid_ft_retry(struct bfa_fcs_port_ns_s *ns,
- enum vport_ns_event event)
-{
- bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
- bfa_trc(ns->port->fcs, event);
-
- switch (event) {
- case NSSM_EVENT_TIMEOUT:
- bfa_sm_set_state(ns, bfa_fcs_port_ns_sm_sending_gid_ft);
- bfa_fcs_port_ns_send_gid_ft(ns, NULL);
- break;
-
- case NSSM_EVENT_PORT_OFFLINE:
- bfa_sm_set_state(ns, bfa_fcs_port_ns_sm_offline);
- bfa_timer_stop(&ns->timer);
- break;
-
- default:
- bfa_sm_fault(ns->port->fcs, event);
- }
-}
-
-static void
-bfa_fcs_port_ns_sm_online(struct bfa_fcs_port_ns_s *ns,
- enum vport_ns_event event)
-{
- bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
- bfa_trc(ns->port->fcs, event);
-
- switch (event) {
- case NSSM_EVENT_PORT_OFFLINE:
- bfa_sm_set_state(ns, bfa_fcs_port_ns_sm_offline);
- break;
-
- case NSSM_EVENT_NS_QUERY:
- /*
- * If the port role is Initiator Mode issue NS query.
- * If it is Target Mode, skip this and go to online.
- */
- if (BFA_FCS_VPORT_IS_INITIATOR_MODE(ns->port)) {
- bfa_sm_set_state(ns, bfa_fcs_port_ns_sm_sending_gid_ft);
- bfa_fcs_port_ns_send_gid_ft(ns, NULL);
- };
- break;
-
- default:
- bfa_sm_fault(ns->port->fcs, event);
- }
-}
-
-
-
-/**
- * ns_pvt Nameserver local functions
- */
-
-static void
-bfa_fcs_port_ns_send_plogi(void *ns_cbarg, struct bfa_fcxp_s *fcxp_alloced)
-{
- struct bfa_fcs_port_ns_s *ns = ns_cbarg;
- struct bfa_fcs_port_s *port = ns->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.ns_plogi_alloc_wait++;
- bfa_fcxp_alloc_wait(port->fcs->bfa, &ns->fcxp_wqe,
- bfa_fcs_port_ns_send_plogi, ns);
- return;
- }
- ns->fcxp = fcxp;
-
- len = fc_plogi_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
- bfa_os_hton3b(FC_NAME_SERVER),
- bfa_fcs_port_get_fcid(port), 0,
- port->port_cfg.pwwn, port->port_cfg.nwwn,
- bfa_fcport_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_ns_plogi_response,
- (void *)ns, FC_MAX_PDUSZ, FC_ELS_TOV);
- port->stats.ns_plogi_sent++;
-
- bfa_sm_send_event(ns, NSSM_EVENT_PLOGI_SENT);
-}
-
-static void
-bfa_fcs_port_ns_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_ns_s *ns = (struct bfa_fcs_port_ns_s *)cbarg;
- struct bfa_fcs_port_s *port = ns->port;
- /* struct fc_logi_s *plogi_resp; */
- 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) {
- bfa_trc(port->fcs, req_status);
- port->stats.ns_plogi_rsp_err++;
- bfa_sm_send_event(ns, NSSM_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.ns_plogi_acc_err++;
- bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
- break;
- }
- port->stats.ns_plogi_accepts++;
- bfa_sm_send_event(ns, NSSM_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.ns_rejects++;
-
- bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
- break;
-
- default:
- port->stats.ns_plogi_unknown_rsp++;
- bfa_trc(port->fcs, els_cmd->els_code);
- bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
- }
-}
-
-/**
- * Register the symbolic port name.
- */
-static void
-bfa_fcs_port_ns_send_rspn_id(void *ns_cbarg, struct bfa_fcxp_s *fcxp_alloced)
-{
- struct bfa_fcs_port_ns_s *ns = ns_cbarg;
- struct bfa_fcs_port_s *port = ns->port;
- struct fchs_s fchs;
- int len;
- struct bfa_fcxp_s *fcxp;
- u8 symbl[256];
- u8 *psymbl = &symbl[0];
-
- bfa_os_memset(symbl, 0, sizeof(symbl));
-
- bfa_trc(port->fcs, port->port_cfg.pwwn);
-
- fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs);
- if (!fcxp) {
- port->stats.ns_rspnid_alloc_wait++;
- bfa_fcxp_alloc_wait(port->fcs->bfa, &ns->fcxp_wqe,
- bfa_fcs_port_ns_send_rspn_id, ns);
- return;
- }
- ns->fcxp = fcxp;
-
- /*
- * for V-Port, form a Port Symbolic Name
- */
- if (port->vport) {
- /**For Vports,
- * we append the vport's port symbolic name to that of the base port.
- */
-
- strncpy((char *)psymbl,
- (char *)
- &(bfa_fcs_port_get_psym_name
- (bfa_fcs_get_base_port(port->fcs))),
- strlen((char *)
- &bfa_fcs_port_get_psym_name(bfa_fcs_get_base_port
- (port->fcs))));
-
- /*
- * Ensure we have a null terminating string.
- */
- ((char *)
- psymbl)[strlen((char *)
- &bfa_fcs_port_get_psym_name
- (bfa_fcs_get_base_port(port->fcs)))] = 0;
-
- strncat((char *)psymbl,
- (char *)&(bfa_fcs_port_get_psym_name(port)),
- strlen((char *)&bfa_fcs_port_get_psym_name(port)));
- } else {
- psymbl = (u8 *) &(bfa_fcs_port_get_psym_name(port));
- }
-
- len = fc_rspnid_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
- bfa_fcs_port_get_fcid(port), 0, psymbl);
-
- bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
- FC_CLASS_3, len, &fchs, bfa_fcs_port_ns_rspn_id_response,
- (void *)ns, FC_MAX_PDUSZ, FC_FCCT_TOV);
-
- port->stats.ns_rspnid_sent++;
-
- bfa_sm_send_event(ns, NSSM_EVENT_RSPNID_SENT);
-}
-
-static void
-bfa_fcs_port_ns_rspn_id_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_ns_s *ns = (struct bfa_fcs_port_ns_s *)cbarg;
- struct bfa_fcs_port_s *port = ns->port;
- struct ct_hdr_s *cthdr = NULL;
-
- bfa_trc(port->fcs, port->port_cfg.pwwn);
-
- /*
- * Sanity Checks
- */
- if (req_status != BFA_STATUS_OK) {
- bfa_trc(port->fcs, req_status);
- port->stats.ns_rspnid_rsp_err++;
- bfa_sm_send_event(ns, NSSM_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) {
- port->stats.ns_rspnid_accepts++;
- bfa_sm_send_event(ns, NSSM_EVENT_RSP_OK);
- return;
- }
-
- port->stats.ns_rspnid_rejects++;
- bfa_trc(port->fcs, cthdr->reason_code);
- bfa_trc(port->fcs, cthdr->exp_code);
- bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
-}
-
-/**
- * Register FC4-Types
- * TBD, Need to retrieve this from the OS driver, in case IPFC is enabled ?
- */
-static void
-bfa_fcs_port_ns_send_rft_id(void *ns_cbarg, struct bfa_fcxp_s *fcxp_alloced)
-{
- struct bfa_fcs_port_ns_s *ns = ns_cbarg;
- struct bfa_fcs_port_s *port = ns->port;
- struct fchs_s fchs;
- int len;
- struct bfa_fcxp_s *fcxp;
-
- bfa_trc(port->fcs, port->port_cfg.pwwn);
-
- fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs);
- if (!fcxp) {
- port->stats.ns_rftid_alloc_wait++;
- bfa_fcxp_alloc_wait(port->fcs->bfa, &ns->fcxp_wqe,
- bfa_fcs_port_ns_send_rft_id, ns);
- return;
- }
- ns->fcxp = fcxp;
-
- len = fc_rftid_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
- bfa_fcs_port_get_fcid(port), 0,
- port->port_cfg.roles);
-
- bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
- FC_CLASS_3, len, &fchs, bfa_fcs_port_ns_rft_id_response,
- (void *)ns, FC_MAX_PDUSZ, FC_FCCT_TOV);
-
- port->stats.ns_rftid_sent++;
- bfa_sm_send_event(ns, NSSM_EVENT_RFTID_SENT);
-}
-
-static void
-bfa_fcs_port_ns_rft_id_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_ns_s *ns = (struct bfa_fcs_port_ns_s *)cbarg;
- struct bfa_fcs_port_s *port = ns->port;
- struct ct_hdr_s *cthdr = NULL;
-
- bfa_trc(port->fcs, port->port_cfg.pwwn);
-
- /*
- * Sanity Checks
- */
- if (req_status != BFA_STATUS_OK) {
- bfa_trc(port->fcs, req_status);
- port->stats.ns_rftid_rsp_err++;
- bfa_sm_send_event(ns, NSSM_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) {
- port->stats.ns_rftid_accepts++;
- bfa_sm_send_event(ns, NSSM_EVENT_RSP_OK);
- return;
- }
-
- port->stats.ns_rftid_rejects++;
- bfa_trc(port->fcs, cthdr->reason_code);
- bfa_trc(port->fcs, cthdr->exp_code);
- bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
-}
-
-/**
-* Register FC4-Features : Should be done after RFT_ID
- */
-static void
-bfa_fcs_port_ns_send_rff_id(void *ns_cbarg, struct bfa_fcxp_s *fcxp_alloced)
-{
- struct bfa_fcs_port_ns_s *ns = ns_cbarg;
- struct bfa_fcs_port_s *port = ns->port;
- struct fchs_s fchs;
- int len;
- struct bfa_fcxp_s *fcxp;
- u8 fc4_ftrs = 0;
-
- bfa_trc(port->fcs, port->port_cfg.pwwn);
-
- fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs);
- if (!fcxp) {
- port->stats.ns_rffid_alloc_wait++;
- bfa_fcxp_alloc_wait(port->fcs->bfa, &ns->fcxp_wqe,
- bfa_fcs_port_ns_send_rff_id, ns);
- return;
- }
- ns->fcxp = fcxp;
-
- if (BFA_FCS_VPORT_IS_INITIATOR_MODE(ns->port))
- fc4_ftrs = FC_GS_FCP_FC4_FEATURE_INITIATOR;
- else if (BFA_FCS_VPORT_IS_TARGET_MODE(ns->port))
- fc4_ftrs = FC_GS_FCP_FC4_FEATURE_TARGET;
-
- len = fc_rffid_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
- bfa_fcs_port_get_fcid(port), 0, FC_TYPE_FCP,
- fc4_ftrs);
-
- bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
- FC_CLASS_3, len, &fchs, bfa_fcs_port_ns_rff_id_response,
- (void *)ns, FC_MAX_PDUSZ, FC_FCCT_TOV);
-
- port->stats.ns_rffid_sent++;
- bfa_sm_send_event(ns, NSSM_EVENT_RFFID_SENT);
-}
-
-static void
-bfa_fcs_port_ns_rff_id_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_ns_s *ns = (struct bfa_fcs_port_ns_s *)cbarg;
- struct bfa_fcs_port_s *port = ns->port;
- struct ct_hdr_s *cthdr = NULL;
-
- bfa_trc(port->fcs, port->port_cfg.pwwn);
-
- /*
- * Sanity Checks
- */
- if (req_status != BFA_STATUS_OK) {
- bfa_trc(port->fcs, req_status);
- port->stats.ns_rffid_rsp_err++;
- bfa_sm_send_event(ns, NSSM_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) {
- port->stats.ns_rffid_accepts++;
- bfa_sm_send_event(ns, NSSM_EVENT_RSP_OK);
- return;
- }
-
- port->stats.ns_rffid_rejects++;
- bfa_trc(port->fcs, cthdr->reason_code);
- bfa_trc(port->fcs, cthdr->exp_code);
-
- if (cthdr->reason_code == CT_RSN_NOT_SUPP) {
- /*
- * if this command is not supported, we don't retry
- */
- bfa_sm_send_event(ns, NSSM_EVENT_RSP_OK);
- } else {
- bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
- }
-}
-
-/**
- * Query Fabric for FC4-Types Devices.
- *
-* TBD : Need to use a local (FCS private) response buffer, since the response
- * can be larger than 2K.
- */
-static void
-bfa_fcs_port_ns_send_gid_ft(void *ns_cbarg, struct bfa_fcxp_s *fcxp_alloced)
-{
- struct bfa_fcs_port_ns_s *ns = ns_cbarg;
- struct bfa_fcs_port_s *port = ns->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.ns_gidft_alloc_wait++;
- bfa_fcxp_alloc_wait(port->fcs->bfa, &ns->fcxp_wqe,
- bfa_fcs_port_ns_send_gid_ft, ns);
- return;
- }
- ns->fcxp = fcxp;
-
- /*
- * This query is only initiated for FCP initiator mode.
- */
- len = fc_gid_ft_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), ns->port->pid,
- FC_TYPE_FCP);
-
- bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
- FC_CLASS_3, len, &fchs, bfa_fcs_port_ns_gid_ft_response,
- (void *)ns, bfa_fcxp_get_maxrsp(port->fcs->bfa),
- FC_FCCT_TOV);
-
- port->stats.ns_gidft_sent++;
-
- bfa_sm_send_event(ns, NSSM_EVENT_GIDFT_SENT);
-}
-
-static void
-bfa_fcs_port_ns_gid_ft_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_ns_s *ns = (struct bfa_fcs_port_ns_s *)cbarg;
- struct bfa_fcs_port_s *port = ns->port;
- struct ct_hdr_s *cthdr = NULL;
- u32 n_pids;
-
- bfa_trc(port->fcs, port->port_cfg.pwwn);
-
- /*
- * Sanity Checks
- */
- if (req_status != BFA_STATUS_OK) {
- bfa_trc(port->fcs, req_status);
- port->stats.ns_gidft_rsp_err++;
- bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
- return;
- }
-
- if (resid_len != 0) {
- /*
- * TBD : we will need to allocate a larger buffer & retry the
- * command
- */
- bfa_trc(port->fcs, rsp_len);
- bfa_trc(port->fcs, resid_len);
- return;
- }
-
- cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp);
- cthdr->cmd_rsp_code = bfa_os_ntohs(cthdr->cmd_rsp_code);
-
- switch (cthdr->cmd_rsp_code) {
-
- case CT_RSP_ACCEPT:
-
- port->stats.ns_gidft_accepts++;
- n_pids = (fc_get_ctresp_pyld_len(rsp_len) / sizeof(u32));
- bfa_trc(port->fcs, n_pids);
- bfa_fcs_port_ns_process_gidft_pids(port,
- (u32 *) (cthdr + 1),
- n_pids);
- bfa_sm_send_event(ns, NSSM_EVENT_RSP_OK);
- break;
-
- case CT_RSP_REJECT:
-
- /*
- * Check the reason code & explanation.
- * There may not have been any FC4 devices in the fabric
- */
- port->stats.ns_gidft_rejects++;
- bfa_trc(port->fcs, cthdr->reason_code);
- bfa_trc(port->fcs, cthdr->exp_code);
-
- if ((cthdr->reason_code == CT_RSN_UNABLE_TO_PERF)
- && (cthdr->exp_code == CT_NS_EXP_FT_NOT_REG)) {
-
- bfa_sm_send_event(ns, NSSM_EVENT_RSP_OK);
- } else {
- /*
- * for all other errors, retry
- */
- bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
- }
- break;
-
- default:
- port->stats.ns_gidft_unknown_rsp++;
- bfa_trc(port->fcs, cthdr->cmd_rsp_code);
- bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
- }
-}
-
-/**
- * This routine will be called by bfa_timer on timer timeouts.
- *
- * param[in] port - pointer to bfa_fcs_port_t.
- *
- * return
- * void
- *
-* Special Considerations:
- *
- * note
- */
-static void
-bfa_fcs_port_ns_timeout(void *arg)
-{
- struct bfa_fcs_port_ns_s *ns = (struct bfa_fcs_port_ns_s *)arg;
-
- ns->port->stats.ns_timeouts++;
- bfa_sm_send_event(ns, NSSM_EVENT_TIMEOUT);
-}
-
-/*
- * Process the PID list in GID_FT response
- */
-static void
-bfa_fcs_port_ns_process_gidft_pids(struct bfa_fcs_port_s *port,
- u32 *pid_buf, u32 n_pids)
-{
- struct fcgs_gidft_resp_s *gidft_entry;
- struct bfa_fcs_rport_s *rport;
- u32 ii;
-
- for (ii = 0; ii < n_pids; ii++) {
- gidft_entry = (struct fcgs_gidft_resp_s *) &pid_buf[ii];
-
- if (gidft_entry->pid == port->pid)
- continue;
-
- /*
- * Check if this rport already exists
- */
- rport = bfa_fcs_port_get_rport_by_pid(port, gidft_entry->pid);
- if (rport == NULL) {
- /*
- * this is a new device. create rport
- */
- rport = bfa_fcs_rport_create(port, gidft_entry->pid);
- } else {
- /*
- * this rport already exists
- */
- bfa_fcs_rport_scn(rport);
- }
-
- bfa_trc(port->fcs, gidft_entry->pid);
-
- /*
- * if the last entry bit is set, bail out.
- */
- if (gidft_entry->last)
- return;
- }
-}
-
-/**
- * fcs_ns_public FCS nameserver public interfaces
- */
-
-/*
- * Functions called by port/fab.
- * These will send relevant Events to the ns state machine.
- */
-void
-bfa_fcs_port_ns_init(struct bfa_fcs_port_s *port)
-{
- struct bfa_fcs_port_ns_s *ns = BFA_FCS_GET_NS_FROM_PORT(port);
-
- ns->port = port;
- bfa_sm_set_state(ns, bfa_fcs_port_ns_sm_offline);
-}
-
-void
-bfa_fcs_port_ns_offline(struct bfa_fcs_port_s *port)
-{
- struct bfa_fcs_port_ns_s *ns = BFA_FCS_GET_NS_FROM_PORT(port);
-
- ns->port = port;
- bfa_sm_send_event(ns, NSSM_EVENT_PORT_OFFLINE);
-}
-
-void
-bfa_fcs_port_ns_online(struct bfa_fcs_port_s *port)
-{
- struct bfa_fcs_port_ns_s *ns = BFA_FCS_GET_NS_FROM_PORT(port);
-
- ns->port = port;
- bfa_sm_send_event(ns, NSSM_EVENT_PORT_ONLINE);
-}
-
-void
-bfa_fcs_port_ns_query(struct bfa_fcs_port_s *port)
-{
- struct bfa_fcs_port_ns_s *ns = BFA_FCS_GET_NS_FROM_PORT(port);
-
- bfa_trc(port->fcs, port->pid);
- bfa_sm_send_event(ns, NSSM_EVENT_NS_QUERY);
-}
-
-static void
-bfa_fcs_port_ns_boot_target_disc(struct bfa_fcs_port_s *port)
-{
-
- struct bfa_fcs_rport_s *rport;
- u8 nwwns;
- wwn_t wwns[BFA_PREBOOT_BOOTLUN_MAX];
- int ii;
-
- bfa_iocfc_get_bootwwns(port->fcs->bfa, &nwwns, wwns);
-
- for (ii = 0; ii < nwwns; ++ii) {
- rport = bfa_fcs_rport_create_by_wwn(port, wwns[ii]);
- bfa_assert(rport);
- }
-}
-
-
generated by cgit v1.2.3 (git 2.25.1) at 2024-04-26 14:01:59 +0000