diff options
Diffstat (limited to 'drivers/scsi/bfa/bfa_fcs_rport.c')
| -rw-r--r-- | drivers/scsi/bfa/bfa_fcs_rport.c | 113 |
1 files changed, 32 insertions, 81 deletions
diff --git a/drivers/scsi/bfa/bfa_fcs_rport.c b/drivers/scsi/bfa/bfa_fcs_rport.c index 2035b0d64351..d4bde9bbe75b 100644 --- a/drivers/scsi/bfa/bfa_fcs_rport.c +++ b/drivers/scsi/bfa/bfa_fcs_rport.c @@ -1,18 +1,11 @@ +// SPDX-License-Identifier: GPL-2.0-only /* - * Copyright (c) 2005-2010 Brocade Communications Systems, Inc. + * Copyright (c) 2005-2014 Brocade Communications Systems, Inc. + * Copyright (c) 2014- QLogic Corporation. * All rights reserved - * www.brocade.com + * www.qlogic.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. + * Linux driver for QLogic BR-series Fibre Channel Host Bus Adapter. */ /* @@ -143,7 +136,23 @@ static void bfa_fcs_rport_sm_fc4_off_delete(struct bfa_fcs_rport_s *rport, static void bfa_fcs_rport_sm_delete_pending(struct bfa_fcs_rport_s *rport, enum rport_event event); -static struct bfa_sm_table_s rport_sm_table[] = { +struct bfa_fcs_rport_sm_table_s { + bfa_fcs_rport_sm_t sm; /* state machine function */ + enum bfa_rport_state state; /* state machine encoding */ + char *name; /* state name for display */ +}; + +static inline enum bfa_rport_state +bfa_rport_sm_to_state(struct bfa_fcs_rport_sm_table_s *smt, bfa_fcs_rport_sm_t sm) +{ + int i = 0; + + while (smt[i].sm && smt[i].sm != sm) + i++; + return smt[i].state; +} + +static struct bfa_fcs_rport_sm_table_s rport_sm_table[] = { {BFA_SM(bfa_fcs_rport_sm_uninit), BFA_RPORT_UNINIT}, {BFA_SM(bfa_fcs_rport_sm_plogi_sending), BFA_RPORT_PLOGI}, {BFA_SM(bfa_fcs_rport_sm_plogiacc_sending), BFA_RPORT_ONLINE}, @@ -426,17 +435,13 @@ bfa_fcs_rport_sm_plogi(struct bfa_fcs_rport_s *rport, enum rport_event event) case RPSM_EVENT_LOGO_RCVD: bfa_fcs_rport_send_logo_acc(rport); - /* - * !! fall through !! - */ + fallthrough; case RPSM_EVENT_PRLO_RCVD: if (rport->prlo == BFA_TRUE) bfa_fcs_rport_send_prlo_acc(rport); bfa_fcxp_discard(rport->fcxp); - /* - * !! fall through !! - */ + fallthrough; case RPSM_EVENT_FAILED: if (rport->plogi_retries < BFA_FCS_RPORT_MAX_RETRIES) { rport->plogi_retries++; @@ -867,9 +872,7 @@ bfa_fcs_rport_sm_adisc_online(struct bfa_fcs_rport_s *rport, * At least go offline when a PLOGI is received. */ bfa_fcxp_discard(rport->fcxp); - /* - * !!! fall through !!! - */ + fallthrough; case RPSM_EVENT_FAILED: case RPSM_EVENT_ADDRESS_CHANGE: @@ -1055,6 +1058,7 @@ bfa_fcs_rport_sm_fc4_logosend(struct bfa_fcs_rport_s *rport, case RPSM_EVENT_LOGO_RCVD: bfa_fcs_rport_send_logo_acc(rport); + fallthrough; case RPSM_EVENT_PRLO_RCVD: if (rport->prlo == BFA_TRUE) bfa_fcs_rport_send_prlo_acc(rport); @@ -1143,9 +1147,7 @@ bfa_fcs_rport_sm_hcb_offline(struct bfa_fcs_rport_s *rport, bfa_fcs_rport_send_plogiacc(rport, NULL); break; } - /* - * !! fall through !! - */ + fallthrough; case RPSM_EVENT_ADDRESS_CHANGE: if (!bfa_fcs_lport_is_online(rport->port)) { @@ -1302,6 +1304,7 @@ bfa_fcs_rport_sm_hcb_logosend(struct bfa_fcs_rport_s *rport, case RPSM_EVENT_LOGO_RCVD: bfa_fcs_rport_send_logo_acc(rport); + fallthrough; case RPSM_EVENT_PRLO_RCVD: if (rport->prlo == BFA_TRUE) bfa_fcs_rport_send_prlo_acc(rport); @@ -1345,6 +1348,7 @@ bfa_fcs_rport_sm_logo_sending(struct bfa_fcs_rport_s *rport, case RPSM_EVENT_LOGO_RCVD: bfa_fcs_rport_send_logo_acc(rport); + fallthrough; case RPSM_EVENT_PRLO_RCVD: if (rport->prlo == BFA_TRUE) bfa_fcs_rport_send_prlo_acc(rport); @@ -1587,7 +1591,7 @@ bfa_fcs_rport_sm_nsdisc_sent(struct bfa_fcs_rport_s *rport, bfa_timer_start(rport->fcs->bfa, &rport->timer, bfa_fcs_rport_timeout, rport, bfa_fcs_rport_del_timeout); - }; + } break; case RPSM_EVENT_DELETE: @@ -2252,15 +2256,12 @@ bfa_fcs_rport_process_adisc(struct bfa_fcs_rport_s *rport, struct bfa_fcxp_s *fcxp; struct fchs_s fchs; struct bfa_fcs_lport_s *port = rport->port; - struct fc_adisc_s *adisc; bfa_trc(port->fcs, rx_fchs->s_id); bfa_trc(port->fcs, rx_fchs->d_id); rport->stats.adisc_rcvd++; - adisc = (struct fc_adisc_s *) (rx_fchs + 1); - /* * Accept if the itnim for this rport is online. * Else reject the ADISC. @@ -2461,7 +2462,7 @@ bfa_fcs_rport_hal_online_action(struct bfa_fcs_rport_s *rport) bfa_fcs_itnim_brp_online(rport->itnim); if (!BFA_FCS_PID_IS_WKA(rport->pid)) bfa_fcs_rpf_rport_online(rport); - }; + } wwn2str(lpwwn_buf, bfa_fcs_lport_get_pwwn(port)); wwn2str(rpwwn_buf, rport->pwwn); @@ -2645,27 +2646,6 @@ bfa_fcs_rport_create_by_wwn(struct bfa_fcs_lport_s *port, wwn_t rpwwn) bfa_sm_send_event(rport, RPSM_EVENT_ADDRESS_DISC); return rport; } -/* - * Called by bport in private loop topology to indicate that a - * rport has been discovered and plogi has been completed. - * - * @param[in] port - base port or vport - * @param[in] rpid - remote port ID - */ -void -bfa_fcs_rport_start(struct bfa_fcs_lport_s *port, struct fchs_s *fchs, - struct fc_logi_s *plogi) -{ - struct bfa_fcs_rport_s *rport; - - rport = bfa_fcs_rport_alloc(port, WWN_NULL, fchs->s_id); - if (!rport) - return; - - bfa_fcs_rport_update(rport, plogi); - - bfa_sm_send_event(rport, RPSM_EVENT_PLOGI_COMP); -} /* * Called by bport/vport to handle PLOGI received from a new remote port. @@ -2979,7 +2959,7 @@ bfa_fcs_rport_send_ls_rjt(struct bfa_fcs_rport_s *rport, struct fchs_s *rx_fchs, int bfa_fcs_rport_get_state(struct bfa_fcs_rport_s *rport) { - return bfa_sm_to_state(rport_sm_table, rport->sm); + return bfa_rport_sm_to_state(rport_sm_table, rport->sm); } @@ -3088,21 +3068,6 @@ bfa_fcs_rport_lookup(struct bfa_fcs_lport_s *port, wwn_t rpwwn) return rport; } -struct bfa_fcs_rport_s * -bfa_fcs_rport_lookup_by_nwwn(struct bfa_fcs_lport_s *port, wwn_t rnwwn) -{ - struct bfa_fcs_rport_s *rport; - - rport = bfa_fcs_lport_get_rport_by_nwwn(port, rnwwn); - if (rport == NULL) { - /* - * TBD Error handling - */ - } - - return rport; -} - /* * Remote port features (RPF) implementation. */ @@ -3122,20 +3087,6 @@ static void bfa_fcs_rpf_rpsc2_response(void *fcsarg, static void bfa_fcs_rpf_timeout(void *arg); -/* - * fcs_rport_ftrs_sm FCS rport state machine events - */ - -enum rpf_event { - RPFSM_EVENT_RPORT_OFFLINE = 1, /* Rport offline */ - RPFSM_EVENT_RPORT_ONLINE = 2, /* Rport online */ - RPFSM_EVENT_FCXP_SENT = 3, /* Frame from has been sent */ - RPFSM_EVENT_TIMEOUT = 4, /* Rport SM timeout event */ - RPFSM_EVENT_RPSC_COMP = 5, - RPFSM_EVENT_RPSC_FAIL = 6, - RPFSM_EVENT_RPSC_ERROR = 7, -}; - static void bfa_fcs_rpf_sm_uninit(struct bfa_fcs_rpf_s *rpf, enum rpf_event event); static void bfa_fcs_rpf_sm_rpsc_sending(struct bfa_fcs_rpf_s *rpf, |