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path: root/drivers/scsi/bfa/rport_ftrs.c
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-rw-r--r--drivers/scsi/bfa/rport_ftrs.c379
1 files changed, 0 insertions, 379 deletions
diff --git a/drivers/scsi/bfa/rport_ftrs.c b/drivers/scsi/bfa/rport_ftrs.c
deleted file mode 100644
index f2a9361ce9a4..000000000000
--- a/drivers/scsi/bfa/rport_ftrs.c
+++ /dev/null
@@ -1,379 +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.
- */
-
-/**
- * rport_ftrs.c Remote port features (RPF) implementation.
- */
-
-#include <bfa.h>
-#include <bfa_svc.h>
-#include "fcbuild.h"
-#include "fcs_rport.h"
-#include "fcs_lport.h"
-#include "fcs_trcmod.h"
-#include "fcs_fcxp.h"
-#include "fcs.h"
-
-BFA_TRC_FILE(FCS, RPORT_FTRS);
-
-#define BFA_FCS_RPF_RETRIES (3)
-#define BFA_FCS_RPF_RETRY_TIMEOUT (1000) /* 1 sec (In millisecs) */
-
-static void bfa_fcs_rpf_send_rpsc2(void *rport_cbarg,
- struct bfa_fcxp_s *fcxp_alloced);
-static void bfa_fcs_rpf_rpsc2_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_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,
- enum rpf_event event);
-static void bfa_fcs_rpf_sm_rpsc(struct bfa_fcs_rpf_s *rpf,
- enum rpf_event event);
-static void bfa_fcs_rpf_sm_rpsc_retry(struct bfa_fcs_rpf_s *rpf,
- enum rpf_event event);
-static void bfa_fcs_rpf_sm_offline(struct bfa_fcs_rpf_s *rpf,
- enum rpf_event event);
-static void bfa_fcs_rpf_sm_online(struct bfa_fcs_rpf_s *rpf,
- enum rpf_event event);
-
-static void
-bfa_fcs_rpf_sm_uninit(struct bfa_fcs_rpf_s *rpf, enum rpf_event event)
-{
- struct bfa_fcs_rport_s *rport = rpf->rport;
- struct bfa_fcs_fabric_s *fabric = &rport->fcs->fabric;
-
- bfa_trc(rport->fcs, rport->pwwn);
- bfa_trc(rport->fcs, rport->pid);
- bfa_trc(rport->fcs, event);
-
- switch (event) {
- case RPFSM_EVENT_RPORT_ONLINE:
- /* Send RPSC2 to a Brocade fabric only. */
- if ((!BFA_FCS_PID_IS_WKA(rport->pid)) &&
- ((bfa_lps_is_brcd_fabric(rport->port->fabric->lps)) ||
- (bfa_fcs_fabric_get_switch_oui(fabric) ==
- BFA_FCS_BRCD_SWITCH_OUI))) {
- bfa_sm_set_state(rpf, bfa_fcs_rpf_sm_rpsc_sending);
- rpf->rpsc_retries = 0;
- bfa_fcs_rpf_send_rpsc2(rpf, NULL);
- }
- break;
-
- case RPFSM_EVENT_RPORT_OFFLINE:
- break;
-
- default:
- bfa_sm_fault(rport->fcs, event);
- }
-}
-
-static void
-bfa_fcs_rpf_sm_rpsc_sending(struct bfa_fcs_rpf_s *rpf, enum rpf_event event)
-{
- struct bfa_fcs_rport_s *rport = rpf->rport;
-
- bfa_trc(rport->fcs, event);
-
- switch (event) {
- case RPFSM_EVENT_FCXP_SENT:
- bfa_sm_set_state(rpf, bfa_fcs_rpf_sm_rpsc);
- break;
-
- case RPFSM_EVENT_RPORT_OFFLINE:
- bfa_sm_set_state(rpf, bfa_fcs_rpf_sm_offline);
- bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rpf->fcxp_wqe);
- rpf->rpsc_retries = 0;
- break;
-
- default:
- bfa_sm_fault(rport->fcs, event);
- }
-}
-
-static void
-bfa_fcs_rpf_sm_rpsc(struct bfa_fcs_rpf_s *rpf, enum rpf_event event)
-{
- struct bfa_fcs_rport_s *rport = rpf->rport;
-
- bfa_trc(rport->fcs, rport->pid);
- bfa_trc(rport->fcs, event);
-
- switch (event) {
- case RPFSM_EVENT_RPSC_COMP:
- bfa_sm_set_state(rpf, bfa_fcs_rpf_sm_online);
- /* Update speed info in f/w via BFA */
- if (rpf->rpsc_speed != BFA_PPORT_SPEED_UNKNOWN)
- bfa_rport_speed(rport->bfa_rport, rpf->rpsc_speed);
- else if (rpf->assigned_speed != BFA_PPORT_SPEED_UNKNOWN)
- bfa_rport_speed(rport->bfa_rport, rpf->assigned_speed);
- break;
-
- case RPFSM_EVENT_RPSC_FAIL:
- /* RPSC not supported by rport */
- bfa_sm_set_state(rpf, bfa_fcs_rpf_sm_online);
- break;
-
- case RPFSM_EVENT_RPSC_ERROR:
- /* need to retry...delayed a bit. */
- if (rpf->rpsc_retries++ < BFA_FCS_RPF_RETRIES) {
- bfa_timer_start(rport->fcs->bfa, &rpf->timer,
- bfa_fcs_rpf_timeout, rpf,
- BFA_FCS_RPF_RETRY_TIMEOUT);
- bfa_sm_set_state(rpf, bfa_fcs_rpf_sm_rpsc_retry);
- } else {
- bfa_sm_set_state(rpf, bfa_fcs_rpf_sm_online);
- }
- break;
-
- case RPFSM_EVENT_RPORT_OFFLINE:
- bfa_sm_set_state(rpf, bfa_fcs_rpf_sm_offline);
- bfa_fcxp_discard(rpf->fcxp);
- rpf->rpsc_retries = 0;
- break;
-
- default:
- bfa_sm_fault(rport->fcs, event);
- }
-}
-
-static void
-bfa_fcs_rpf_sm_rpsc_retry(struct bfa_fcs_rpf_s *rpf, enum rpf_event event)
-{
- struct bfa_fcs_rport_s *rport = rpf->rport;
-
- bfa_trc(rport->fcs, rport->pid);
- bfa_trc(rport->fcs, event);
-
- switch (event) {
- case RPFSM_EVENT_TIMEOUT:
- /* re-send the RPSC */
- bfa_sm_set_state(rpf, bfa_fcs_rpf_sm_rpsc_sending);
- bfa_fcs_rpf_send_rpsc2(rpf, NULL);
- break;
-
- case RPFSM_EVENT_RPORT_OFFLINE:
- bfa_timer_stop(&rpf->timer);
- bfa_sm_set_state(rpf, bfa_fcs_rpf_sm_offline);
- rpf->rpsc_retries = 0;
- break;
-
- default:
- bfa_sm_fault(rport->fcs, event);
- }
-}
-
-static void
-bfa_fcs_rpf_sm_online(struct bfa_fcs_rpf_s *rpf, enum rpf_event event)
-{
- struct bfa_fcs_rport_s *rport = rpf->rport;
-
- bfa_trc(rport->fcs, rport->pwwn);
- bfa_trc(rport->fcs, rport->pid);
- bfa_trc(rport->fcs, event);
-
- switch (event) {
- case RPFSM_EVENT_RPORT_OFFLINE:
- bfa_sm_set_state(rpf, bfa_fcs_rpf_sm_offline);
- rpf->rpsc_retries = 0;
- break;
-
- default:
- bfa_sm_fault(rport->fcs, event);
- }
-}
-
-static void
-bfa_fcs_rpf_sm_offline(struct bfa_fcs_rpf_s *rpf, enum rpf_event event)
-{
- struct bfa_fcs_rport_s *rport = rpf->rport;
-
- bfa_trc(rport->fcs, rport->pwwn);
- bfa_trc(rport->fcs, rport->pid);
- bfa_trc(rport->fcs, event);
-
- switch (event) {
- case RPFSM_EVENT_RPORT_ONLINE:
- bfa_sm_set_state(rpf, bfa_fcs_rpf_sm_rpsc_sending);
- bfa_fcs_rpf_send_rpsc2(rpf, NULL);
- break;
-
- case RPFSM_EVENT_RPORT_OFFLINE:
- break;
-
- default:
- bfa_sm_fault(rport->fcs, event);
- }
-}
-/**
- * Called when Rport is created.
- */
-void bfa_fcs_rpf_init(struct bfa_fcs_rport_s *rport)
-{
- struct bfa_fcs_rpf_s *rpf = &rport->rpf;
-
- bfa_trc(rport->fcs, rport->pid);
- rpf->rport = rport;
-
- bfa_sm_set_state(rpf, bfa_fcs_rpf_sm_uninit);
-}
-
-/**
- * Called when Rport becomes online
- */
-void bfa_fcs_rpf_rport_online(struct bfa_fcs_rport_s *rport)
-{
- bfa_trc(rport->fcs, rport->pid);
-
- if (__fcs_min_cfg(rport->port->fcs))
- return;
-
- if (bfa_fcs_fabric_is_switched(rport->port->fabric))
- bfa_sm_send_event(&rport->rpf, RPFSM_EVENT_RPORT_ONLINE);
-}
-
-/**
- * Called when Rport becomes offline
- */
-void bfa_fcs_rpf_rport_offline(struct bfa_fcs_rport_s *rport)
-{
- bfa_trc(rport->fcs, rport->pid);
-
- if (__fcs_min_cfg(rport->port->fcs))
- return;
-
- rport->rpf.rpsc_speed = 0;
- bfa_sm_send_event(&rport->rpf, RPFSM_EVENT_RPORT_OFFLINE);
-}
-
-static void
-bfa_fcs_rpf_timeout(void *arg)
-{
- struct bfa_fcs_rpf_s *rpf = (struct bfa_fcs_rpf_s *) arg;
- struct bfa_fcs_rport_s *rport = rpf->rport;
-
- bfa_trc(rport->fcs, rport->pid);
- bfa_sm_send_event(rpf, RPFSM_EVENT_TIMEOUT);
-}
-
-static void
-bfa_fcs_rpf_send_rpsc2(void *rpf_cbarg, struct bfa_fcxp_s *fcxp_alloced)
-{
- struct bfa_fcs_rpf_s *rpf = (struct bfa_fcs_rpf_s *)rpf_cbarg;
- struct bfa_fcs_rport_s *rport = rpf->rport;
- struct bfa_fcs_port_s *port = rport->port;
- struct fchs_s fchs;
- int len;
- struct bfa_fcxp_s *fcxp;
-
- bfa_trc(rport->fcs, rport->pwwn);
-
- fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs);
- if (!fcxp) {
- bfa_fcxp_alloc_wait(port->fcs->bfa, &rpf->fcxp_wqe,
- bfa_fcs_rpf_send_rpsc2, rpf);
- return;
- }
- rpf->fcxp = fcxp;
-
- len = fc_rpsc2_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), rport->pid,
- bfa_fcs_port_get_fcid(port), &rport->pid, 1);
-
- bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
- FC_CLASS_3, len, &fchs, bfa_fcs_rpf_rpsc2_response,
- rpf, FC_MAX_PDUSZ, FC_ELS_TOV);
- rport->stats.rpsc_sent++;
- bfa_sm_send_event(rpf, RPFSM_EVENT_FCXP_SENT);
-
-}
-
-static void
-bfa_fcs_rpf_rpsc2_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_rpf_s *rpf = (struct bfa_fcs_rpf_s *) cbarg;
- struct bfa_fcs_rport_s *rport = rpf->rport;
- struct fc_ls_rjt_s *ls_rjt;
- struct fc_rpsc2_acc_s *rpsc2_acc;
- u16 num_ents;
-
- bfa_trc(rport->fcs, req_status);
-
- if (req_status != BFA_STATUS_OK) {
- bfa_trc(rport->fcs, req_status);
- if (req_status == BFA_STATUS_ETIMER)
- rport->stats.rpsc_failed++;
- bfa_sm_send_event(rpf, RPFSM_EVENT_RPSC_ERROR);
- return;
- }
-
- rpsc2_acc = (struct fc_rpsc2_acc_s *) BFA_FCXP_RSP_PLD(fcxp);
- if (rpsc2_acc->els_cmd == FC_ELS_ACC) {
- rport->stats.rpsc_accs++;
- num_ents = bfa_os_ntohs(rpsc2_acc->num_pids);
- bfa_trc(rport->fcs, num_ents);
- if (num_ents > 0) {
- bfa_assert(rpsc2_acc->port_info[0].pid != rport->pid);
- bfa_trc(rport->fcs,
- bfa_os_ntohs(rpsc2_acc->port_info[0].pid));
- bfa_trc(rport->fcs,
- bfa_os_ntohs(rpsc2_acc->port_info[0].speed));
- bfa_trc(rport->fcs,
- bfa_os_ntohs(rpsc2_acc->port_info[0].index));
- bfa_trc(rport->fcs,
- rpsc2_acc->port_info[0].type);
-
- if (rpsc2_acc->port_info[0].speed == 0) {
- bfa_sm_send_event(rpf, RPFSM_EVENT_RPSC_ERROR);
- return;
- }
-
- rpf->rpsc_speed = fc_rpsc_operspeed_to_bfa_speed(
- bfa_os_ntohs(rpsc2_acc->port_info[0].speed));
-
- bfa_sm_send_event(rpf, RPFSM_EVENT_RPSC_COMP);
- }
- } else {
- ls_rjt = (struct fc_ls_rjt_s *) BFA_FCXP_RSP_PLD(fcxp);
- bfa_trc(rport->fcs, ls_rjt->reason_code);
- bfa_trc(rport->fcs, ls_rjt->reason_code_expl);
- rport->stats.rpsc_rejects++;
- if (ls_rjt->reason_code == FC_LS_RJT_RSN_CMD_NOT_SUPP)
- bfa_sm_send_event(rpf, RPFSM_EVENT_RPSC_FAIL);
- else
- bfa_sm_send_event(rpf, RPFSM_EVENT_RPSC_ERROR);
- }
-}
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.