/*
* Rport has sent LOGO. Awaiting FC-4 offline completion callback.
*/
static void
bfa_fcs_rport_sm_fc4_logorcv(struct bfa_fcs_rport_s *rport,
enum rport_event event)
{
bfa_trc(rport->fcs, rport->pwwn);
bfa_trc(rport->fcs, rport->pid);
bfa_trc(rport->fcs, event);
switch (event) {
case RPSM_EVENT_FC4_OFFLINE:
bfa_sm_set_state(rport, bfa_fcs_rport_sm_hcb_logorcv);
bfa_fcs_rport_hal_offline(rport);
break;
case RPSM_EVENT_DELETE:
if (rport->pid && (rport->prlo == BFA_TRUE))
bfa_fcs_rport_send_prlo_acc(rport);
if (rport->pid && (rport->prlo == BFA_FALSE))
bfa_fcs_rport_send_logo_acc(rport);
bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_off_delete);
break;
case RPSM_EVENT_SCN_ONLINE:
case RPSM_EVENT_SCN_OFFLINE:
case RPSM_EVENT_HCB_ONLINE:
case RPSM_EVENT_LOGO_RCVD:
case RPSM_EVENT_PRLO_RCVD:
case RPSM_EVENT_ADDRESS_CHANGE:
break;
default:
bfa_sm_fault(rport->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_assert(0);
}
}
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_assert(0);
}
}
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);
}
}
/**
* IO bfa callback is pending. IO resource cannot be freed.
*/
static void
bfa_ioim_sm_hcb_free(struct bfa_ioim_s *ioim, enum bfa_ioim_event event)
{
bfa_trc(ioim->bfa, ioim->iotag);
bfa_trc(ioim->bfa, event);
switch (event) {
case BFA_IOIM_SM_HCB:
bfa_sm_set_state(ioim, bfa_ioim_sm_resfree);
list_del(&ioim->qe);
list_add_tail(&ioim->qe, &ioim->fcpim->ioim_resfree_q);
break;
case BFA_IOIM_SM_FREE:
bfa_sm_set_state(ioim, bfa_ioim_sm_hcb);
break;
case BFA_IOIM_SM_CLEANUP:
bfa_ioim_notify_cleanup(ioim);
break;
case BFA_IOIM_SM_HWFAIL:
bfa_sm_set_state(ioim, bfa_ioim_sm_hcb);
break;
default:
bfa_sm_fault(ioim->bfa, event);
}
}
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_sm_fault(ms->port->fcs, event);
}
}
/*
* This state is set when a discovered rport is also in intiator mode.
* This ITN is marked as no_op and is not active and will not be truned into
* online state.
*/
static void
bfa_fcs_itnim_sm_initiator(struct bfa_fcs_itnim_s *itnim,
enum bfa_fcs_itnim_event event)
{
bfa_trc(itnim->fcs, itnim->rport->pwwn);
bfa_trc(itnim->fcs, event);
switch (event) {
case BFA_FCS_ITNIM_SM_OFFLINE:
bfa_sm_set_state(itnim, bfa_fcs_itnim_sm_offline);
bfa_sm_send_event(itnim->rport, RPSM_EVENT_FC4_OFFLINE);
break;
/*
* fcs_online is expected here for well known initiator ports
*/
case BFA_FCS_ITNIM_SM_FCS_ONLINE:
bfa_sm_send_event(itnim->rport, RPSM_EVENT_FC4_FCS_ONLINE);
break;
case BFA_FCS_ITNIM_SM_RSP_ERROR:
case BFA_FCS_ITNIM_SM_INITIATOR:
break;
case BFA_FCS_ITNIM_SM_DELETE:
bfa_sm_set_state(itnim, bfa_fcs_itnim_sm_offline);
bfa_fcs_itnim_free(itnim);
break;
default:
bfa_sm_fault(itnim->fcs, event);
}
}
/**
* Memory initialization.
*/
static void
bfa_fcport_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_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
struct bfa_pport_cfg_s *port_cfg = &fcport->cfg;
struct bfa_fcport_ln_s *ln = &fcport->ln;
bfa_os_memset(fcport, 0, sizeof(struct bfa_fcport_s));
fcport->bfa = bfa;
ln->fcport = fcport;
bfa_fcport_mem_claim(fcport, meminfo);
bfa_sm_set_state(fcport, bfa_fcport_sm_uninit);
bfa_sm_set_state(ln, bfa_fcport_ln_sm_dn);
/**
* initialize and set default configuration
*/
port_cfg->topology = BFA_PPORT_TOPOLOGY_P2P;
port_cfg->speed = BFA_PPORT_SPEED_AUTO;
port_cfg->trunked = BFA_FALSE;
port_cfg->maxfrsize = 0;
port_cfg->trl_def_speed = BFA_PPORT_SPEED_1GBPS;
bfa_reqq_winit(&fcport->reqq_wait, bfa_fcport_qresume, fcport);
}
/**
* Offline state - awaiting ONLINE event from fabric SM.
*/
static void
bfa_fcs_vport_sm_offline(struct bfa_fcs_vport_s *vport,
enum bfa_fcs_vport_event event)
{
bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
bfa_trc(__vport_fcs(vport), event);
switch (event) {
case BFA_FCS_VPORT_SM_DELETE:
bfa_sm_set_state(vport, bfa_fcs_vport_sm_cleanup);
bfa_fcs_port_delete(&vport->lport);
break;
case BFA_FCS_VPORT_SM_ONLINE:
bfa_sm_set_state(vport, bfa_fcs_vport_sm_fdisc);
vport->fdisc_retries = 0;
bfa_fcs_vport_do_fdisc(vport);
break;
case BFA_FCS_VPORT_SM_OFFLINE:
/*
* This can happen if the vport couldn't be initialzied due
* the fact that the npiv was not enabled on the switch. In
* that case we will put the vport in offline state. However,
* the link can go down and cause the this event to be sent when
* we are already offline. Ignore it.
*/
break;
default:
bfa_assert(0);
}
}
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_assert(0);
}
}
static void
bfa_fcs_vport_sm_created(struct bfa_fcs_vport_s *vport,
enum bfa_fcs_vport_event event)
{
bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
bfa_trc(__vport_fcs(vport), event);
switch (event) {
case BFA_FCS_VPORT_SM_START:
if (bfa_fcs_fabric_is_online(__vport_fabric(vport))
&& bfa_fcs_fabric_npiv_capable(__vport_fabric(vport))) {
bfa_sm_set_state(vport, bfa_fcs_vport_sm_fdisc);
bfa_fcs_vport_do_fdisc(vport);
} else {
vport->vport_stats.fab_no_npiv++;
bfa_sm_set_state(vport, bfa_fcs_vport_sm_offline);
}
break;
case BFA_FCS_VPORT_SM_DELETE:
bfa_sm_set_state(vport, bfa_fcs_vport_sm_cleanup);
bfa_fcs_port_delete(&vport->lport);
break;
case BFA_FCS_VPORT_SM_ONLINE:
case BFA_FCS_VPORT_SM_OFFLINE:
break;
default:
bfa_assert(0);
}
}
/*
* Beginning state.
*/
static void
bfa_fcs_rport_sm_uninit(struct bfa_fcs_rport_s *rport, enum rport_event event)
{
bfa_trc(rport->fcs, rport->pwwn);
bfa_trc(rport->fcs, rport->pid);
bfa_trc(rport->fcs, event);
switch (event) {
case RPSM_EVENT_PLOGI_SEND:
bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogi_sending);
rport->plogi_retries = 0;
bfa_fcs_rport_send_plogi(rport, NULL);
break;
case RPSM_EVENT_PLOGI_RCVD:
bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogiacc_sending);
bfa_fcs_rport_send_plogiacc(rport, NULL);
break;
case RPSM_EVENT_PLOGI_COMP:
bfa_sm_set_state(rport, bfa_fcs_rport_sm_hal_online);
bfa_fcs_rport_hal_online(rport);
break;
case RPSM_EVENT_ADDRESS_CHANGE:
case RPSM_EVENT_ADDRESS_DISC:
bfa_sm_set_state(rport, bfa_fcs_rport_sm_nsdisc_sending);
rport->ns_retries = 0;
bfa_fcs_rport_send_nsdisc(rport, NULL);
break;
default:
bfa_sm_fault(rport->fcs, event);
}
}
/*
* Rport is being deleted. FC-4s are offline.
* Awaiting BFA rport offline
* callback to send LOGO.
*/
static void
bfa_fcs_rport_sm_hcb_logosend(struct bfa_fcs_rport_s *rport,
enum rport_event event)
{
bfa_trc(rport->fcs, rport->pwwn);
bfa_trc(rport->fcs, rport->pid);
bfa_trc(rport->fcs, event);
switch (event) {
case RPSM_EVENT_HCB_OFFLINE:
bfa_sm_set_state(rport, bfa_fcs_rport_sm_logo_sending);
bfa_fcs_rport_send_logo(rport, NULL);
break;
case RPSM_EVENT_LOGO_RCVD:
bfa_fcs_rport_send_logo_acc(rport);
case RPSM_EVENT_PRLO_RCVD:
if (rport->prlo == BFA_TRUE)
bfa_fcs_rport_send_prlo_acc(rport);
bfa_sm_set_state(rport, bfa_fcs_rport_sm_delete_pending);
break;
case RPSM_EVENT_SCN_ONLINE:
case RPSM_EVENT_SCN_OFFLINE:
case RPSM_EVENT_ADDRESS_CHANGE:
break;
default:
bfa_sm_fault(rport->fcs, event);
}
}
/*
* LOGO needs to be sent to rport. Awaiting FC-4 offline completion
* callback.
*/
static void
bfa_fcs_rport_sm_fc4_logosend(struct bfa_fcs_rport_s *rport,
enum rport_event event)
{
bfa_trc(rport->fcs, rport->pwwn);
bfa_trc(rport->fcs, rport->pid);
bfa_trc(rport->fcs, event);
switch (event) {
case RPSM_EVENT_FC4_OFFLINE:
bfa_sm_set_state(rport, bfa_fcs_rport_sm_hcb_logosend);
bfa_fcs_rport_hal_offline(rport);
break;
case RPSM_EVENT_LOGO_RCVD:
bfa_fcs_rport_send_logo_acc(rport);
case RPSM_EVENT_PRLO_RCVD:
if (rport->prlo == BFA_TRUE)
bfa_fcs_rport_send_prlo_acc(rport);
bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_off_delete);
break;
case RPSM_EVENT_HCB_ONLINE:
case RPSM_EVENT_DELETE:
/* Rport is being deleted */
break;
default:
bfa_sm_fault(rport->fcs, event);
}
}
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);
}
}
/**
* FDISC attempt failed - a timer is active to retry FDISC.
*/
static void
bfa_fcs_vport_sm_fdisc_retry(struct bfa_fcs_vport_s *vport,
enum bfa_fcs_vport_event event)
{
bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
bfa_trc(__vport_fcs(vport), event);
switch (event) {
case BFA_FCS_VPORT_SM_DELETE:
bfa_sm_set_state(vport, bfa_fcs_vport_sm_cleanup);
bfa_timer_stop(&vport->timer);
bfa_fcs_port_delete(&vport->lport);
break;
case BFA_FCS_VPORT_SM_OFFLINE:
bfa_sm_set_state(vport, bfa_fcs_vport_sm_offline);
bfa_timer_stop(&vport->timer);
break;
case BFA_FCS_VPORT_SM_TIMEOUT:
bfa_sm_set_state(vport, bfa_fcs_vport_sm_fdisc);
vport->vport_stats.fdisc_retries++;
vport->fdisc_retries++;
bfa_fcs_vport_do_fdisc(vport);
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_itnim_sm_prli_retry(struct bfa_fcs_itnim_s *itnim,
enum bfa_fcs_itnim_event event)
{
bfa_trc(itnim->fcs, itnim->rport->pwwn);
bfa_trc(itnim->fcs, event);
switch (event) {
case BFA_FCS_ITNIM_SM_TIMEOUT:
bfa_sm_set_state(itnim, bfa_fcs_itnim_sm_prli_send);
bfa_fcs_itnim_send_prli(itnim, NULL);
break;
case BFA_FCS_ITNIM_SM_OFFLINE:
bfa_sm_set_state(itnim, bfa_fcs_itnim_sm_offline);
bfa_timer_stop(&itnim->timer);
bfa_fcs_rport_itnim_ack(itnim->rport);
break;
case BFA_FCS_ITNIM_SM_INITIATOR:
bfa_sm_set_state(itnim, bfa_fcs_itnim_sm_initiator);
bfa_timer_stop(&itnim->timer);
break;
case BFA_FCS_ITNIM_SM_DELETE:
bfa_sm_set_state(itnim, bfa_fcs_itnim_sm_offline);
bfa_timer_stop(&itnim->timer);
bfa_fcs_itnim_free(itnim);
break;
default:
bfa_assert(0);
}
}
static void
bfa_fcs_itnim_sm_offline(struct bfa_fcs_itnim_s *itnim,
enum bfa_fcs_itnim_event event)
{
bfa_trc(itnim->fcs, itnim->rport->pwwn);
bfa_trc(itnim->fcs, event);
switch (event) {
case BFA_FCS_ITNIM_SM_FCS_ONLINE:
bfa_sm_set_state(itnim, bfa_fcs_itnim_sm_prli_send);
itnim->prli_retries = 0;
bfa_fcs_itnim_send_prli(itnim, NULL);
break;
case BFA_FCS_ITNIM_SM_OFFLINE:
bfa_sm_send_event(itnim->rport, RPSM_EVENT_FC4_OFFLINE);
break;
case BFA_FCS_ITNIM_SM_INITIATOR:
bfa_sm_set_state(itnim, bfa_fcs_itnim_sm_initiator);
break;
case BFA_FCS_ITNIM_SM_DELETE:
bfa_fcs_itnim_free(itnim);
break;
default:
bfa_sm_fault(itnim->fcs, event);
}
}
static void
bfa_fcs_itnim_sm_online(struct bfa_fcs_itnim_s *itnim,
enum bfa_fcs_itnim_event event)
{
bfa_trc(itnim->fcs, itnim->rport->pwwn);
bfa_trc(itnim->fcs, event);
switch (event) {
case BFA_FCS_ITNIM_SM_OFFLINE:
bfa_sm_set_state(itnim, bfa_fcs_itnim_sm_hcb_offline);
bfa_fcb_itnim_offline(itnim->itnim_drv);
bfa_itnim_offline(itnim->bfa_itnim);
if (bfa_fcs_port_is_online(itnim->rport->port) == BFA_TRUE)
bfa_fcs_itnim_aen_post(itnim, BFA_ITNIM_AEN_DISCONNECT);
else
bfa_fcs_itnim_aen_post(itnim, BFA_ITNIM_AEN_OFFLINE);
break;
case BFA_FCS_ITNIM_SM_DELETE:
bfa_sm_set_state(itnim, bfa_fcs_itnim_sm_offline);
bfa_fcs_itnim_free(itnim);
break;
default:
bfa_assert(0);
}
}
static void
bfa_fcs_port_fdmi_sm_rpa_retry(struct bfa_fcs_port_fdmi_s *fdmi,
enum port_fdmi_event event)
{
struct bfa_fcs_port_s *port = fdmi->ms->port;
bfa_trc(port->fcs, port->port_cfg.pwwn);
bfa_trc(port->fcs, event);
switch (event) {
case FDMISM_EVENT_TIMEOUT:
/*
* Retry Timer Expired. Re-send
*/
bfa_sm_set_state(fdmi, bfa_fcs_port_fdmi_sm_sending_rpa);
bfa_fcs_port_fdmi_send_rpa(fdmi, NULL);
break;
case FDMISM_EVENT_PORT_OFFLINE:
bfa_sm_set_state(fdmi, bfa_fcs_port_fdmi_sm_offline);
bfa_timer_stop(&fdmi->timer);
break;
default:
bfa_sm_fault(port->fcs, event);
}
}
/*
* This state is set when a discovered rport is also in intiator mode.
* This ITN is marked as no_op and is not active and will not be truned into
* online state.
*/
static void
bfa_fcs_itnim_sm_initiator(struct bfa_fcs_itnim_s *itnim,
enum bfa_fcs_itnim_event event)
{
bfa_trc(itnim->fcs, itnim->rport->pwwn);
bfa_trc(itnim->fcs, event);
switch (event) {
case BFA_FCS_ITNIM_SM_OFFLINE:
bfa_sm_set_state(itnim, bfa_fcs_itnim_sm_offline);
bfa_fcs_rport_itnim_ack(itnim->rport);
break;
case BFA_FCS_ITNIM_SM_RSP_ERROR:
case BFA_FCS_ITNIM_SM_ONLINE:
case BFA_FCS_ITNIM_SM_INITIATOR:
break;
case BFA_FCS_ITNIM_SM_DELETE:
bfa_sm_set_state(itnim, bfa_fcs_itnim_sm_offline);
bfa_fcs_itnim_free(itnim);
break;
default:
bfa_assert(0);
}
}
static void
bfa_fcs_itnim_sm_prli_send(struct bfa_fcs_itnim_s *itnim,
enum bfa_fcs_itnim_event event)
{
bfa_trc(itnim->fcs, itnim->rport->pwwn);
bfa_trc(itnim->fcs, event);
switch (event) {
case BFA_FCS_ITNIM_SM_FRMSENT:
bfa_sm_set_state(itnim, bfa_fcs_itnim_sm_prli);
break;
case BFA_FCS_ITNIM_SM_INITIATOR:
bfa_sm_set_state(itnim, bfa_fcs_itnim_sm_initiator);
bfa_fcxp_walloc_cancel(itnim->fcs->bfa, &itnim->fcxp_wqe);
bfa_sm_send_event(itnim->rport, RPSM_EVENT_FC4_FCS_ONLINE);
break;
case BFA_FCS_ITNIM_SM_OFFLINE:
bfa_sm_set_state(itnim, bfa_fcs_itnim_sm_offline);
bfa_fcxp_walloc_cancel(itnim->fcs->bfa, &itnim->fcxp_wqe);
bfa_sm_send_event(itnim->rport, RPSM_EVENT_FC4_OFFLINE);
break;
case BFA_FCS_ITNIM_SM_DELETE:
bfa_sm_set_state(itnim, bfa_fcs_itnim_sm_offline);
bfa_fcxp_walloc_cancel(itnim->fcs->bfa, &itnim->fcxp_wqe);
bfa_fcs_itnim_free(itnim);
break;
default:
bfa_sm_fault(itnim->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_assert(0);
}
}
static void
bfa_pport_sm_linkdown(struct bfa_pport_s *pport, enum bfa_pport_sm_event event)
{
bfa_trc(pport->bfa, event);
switch (event) {
case BFA_PPORT_SM_LINKUP:
bfa_pport_update_linkinfo(pport);
bfa_sm_set_state(pport, bfa_pport_sm_linkup);
bfa_assert(pport->event_cbfn);
bfa_plog_str(pport->bfa->plog, BFA_PL_MID_HAL,
BFA_PL_EID_PORT_ST_CHANGE, 0, "Port Linkup");
bfa_pport_callback(pport, BFA_PPORT_LINKUP);
bfa_pport_aen_post(pport, BFA_PORT_AEN_ONLINE);
/**
* If QoS is enabled and it is not online,
* Send a separate event.
*/
if ((pport->cfg.qos_enabled)
&& (bfa_os_ntohl(pport->qos_attr.state) != BFA_QOS_ONLINE))
bfa_pport_aen_post(pport, BFA_PORT_AEN_QOS_NEG);
break;
case BFA_PPORT_SM_LINKDOWN:
/**
* Possible to get link down event.
*/
break;
case BFA_PPORT_SM_ENABLE:
/**
* Already enabled.
*/
break;
case BFA_PPORT_SM_DISABLE:
if (bfa_pport_send_disable(pport))
bfa_sm_set_state(pport, bfa_pport_sm_disabling);
else
bfa_sm_set_state(pport, bfa_pport_sm_disabling_qwait);
bfa_plog_str(pport->bfa->plog, BFA_PL_MID_HAL,
BFA_PL_EID_PORT_DISABLE, 0, "Port Disable");
bfa_pport_aen_post(pport, BFA_PORT_AEN_DISABLE);
break;
case BFA_PPORT_SM_STOP:
bfa_sm_set_state(pport, bfa_pport_sm_stopped);
break;
case BFA_PPORT_SM_HWFAIL:
bfa_sm_set_state(pport, bfa_pport_sm_iocdown);
break;
default:
bfa_sm_fault(pport->bfa, event);
}
}
/*
* An SCN event is received in ONLINE state. ADISC is to rport.
* FC-4s are paused.
*/
static void
bfa_fcs_rport_sm_adisc_online(struct bfa_fcs_rport_s *rport,
enum rport_event event)
{
bfa_trc(rport->fcs, rport->pwwn);
bfa_trc(rport->fcs, rport->pid);
bfa_trc(rport->fcs, event);
switch (event) {
case RPSM_EVENT_ACCEPTED:
bfa_sm_set_state(rport, bfa_fcs_rport_sm_online);
break;
case RPSM_EVENT_PLOGI_RCVD:
/*
* Too complex to cleanup FC-4 & rport and then acc to PLOGI.
* At least go offline when a PLOGI is received.
*/
bfa_fcxp_discard(rport->fcxp);
/*
* !!! fall through !!!
*/
case RPSM_EVENT_FAILED:
case RPSM_EVENT_ADDRESS_CHANGE:
bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_offline);
bfa_fcs_rport_hal_offline_action(rport);
break;
case RPSM_EVENT_DELETE:
bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logosend);
bfa_fcxp_discard(rport->fcxp);
bfa_fcs_rport_hal_offline_action(rport);
break;
case RPSM_EVENT_FAB_SCN:
/*
* already processing RSCN
*/
break;
case RPSM_EVENT_LOGO_IMP:
bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_offline);
bfa_fcxp_discard(rport->fcxp);
bfa_fcs_rport_hal_offline_action(rport);
break;
case RPSM_EVENT_LOGO_RCVD:
case RPSM_EVENT_PRLO_RCVD:
bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logorcv);
bfa_fcxp_discard(rport->fcxp);
bfa_fcs_rport_hal_offline_action(rport);
break;
default:
bfa_sm_fault(rport->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_assert(0);
}
}
/**
* IO is being cleaned up (implicit abort), waiting for completion from
* firmware.
*/
static void
bfa_ioim_sm_cleanup(struct bfa_ioim_s *ioim, enum bfa_ioim_event event)
{
bfa_trc(ioim->bfa, ioim->iotag);
bfa_trc(ioim->bfa, event);
switch (event) {
case BFA_IOIM_SM_COMP_GOOD:
case BFA_IOIM_SM_COMP:
case BFA_IOIM_SM_DONE:
case BFA_IOIM_SM_FREE:
break;
case BFA_IOIM_SM_ABORT:
/**
* IO is already being aborted implicitly
*/
ioim->io_cbfn = __bfa_cb_ioim_abort;
break;
case BFA_IOIM_SM_ABORT_DONE:
bfa_sm_set_state(ioim, bfa_ioim_sm_hcb_free);
bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, ioim->io_cbfn, ioim);
bfa_ioim_notify_cleanup(ioim);
break;
case BFA_IOIM_SM_ABORT_COMP:
bfa_sm_set_state(ioim, bfa_ioim_sm_hcb);
bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, ioim->io_cbfn, ioim);
bfa_ioim_notify_cleanup(ioim);
break;
case BFA_IOIM_SM_COMP_UTAG:
bfa_sm_set_state(ioim, bfa_ioim_sm_hcb);
bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, ioim->io_cbfn, ioim);
bfa_ioim_notify_cleanup(ioim);
break;
case BFA_IOIM_SM_HWFAIL:
bfa_sm_set_state(ioim, bfa_ioim_sm_hcb);
list_del(&ioim->qe);
list_add_tail(&ioim->qe, &ioim->fcpim->ioim_comp_q);
bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, __bfa_cb_ioim_failed,
ioim);
break;
case BFA_IOIM_SM_CLEANUP:
/**
* IO can be in cleanup state already due to TM command. 2nd cleanup
* request comes from ITN offline event.
*/
break;
default:
bfa_sm_fault(ioim->bfa, event);
}
}
void
bfa_fcs_port_fdmi_init(struct bfa_fcs_port_ms_s *ms)
{
struct bfa_fcs_port_fdmi_s *fdmi = &ms->fdmi;
fdmi->ms = ms;
if (ms->port->fcs->fdmi_enabled)
bfa_sm_set_state(fdmi, bfa_fcs_port_fdmi_sm_offline);
else
bfa_sm_set_state(fdmi, bfa_fcs_port_fdmi_sm_disabled);
}
static void
bfa_fcport_sm_enabling_qwait(struct bfa_fcport_s *fcport,
enum bfa_fcport_sm_event event)
{
bfa_trc(fcport->bfa, event);
switch (event) {
case BFA_FCPORT_SM_QRESUME:
bfa_sm_set_state(fcport, bfa_fcport_sm_enabling);
bfa_fcport_send_enable(fcport);
break;
case BFA_FCPORT_SM_STOP:
bfa_reqq_wcancel(&fcport->reqq_wait);
bfa_sm_set_state(fcport, bfa_fcport_sm_stopped);
break;
case BFA_FCPORT_SM_ENABLE:
/**
* Already enable is in progress.
*/
break;
case BFA_FCPORT_SM_DISABLE:
/**
* Just send disable request to firmware when room becomes
* available in request queue.
*/
bfa_sm_set_state(fcport, bfa_fcport_sm_disabled);
bfa_reqq_wcancel(&fcport->reqq_wait);
bfa_plog_str(fcport->bfa->plog, BFA_PL_MID_HAL,
BFA_PL_EID_PORT_DISABLE, 0, "Port Disable");
bfa_fcport_aen_post(fcport, BFA_PORT_AEN_DISABLE);
break;
case BFA_FCPORT_SM_LINKUP:
case BFA_FCPORT_SM_LINKDOWN:
/**
* Possible to get link events when doing back-to-back
* enable/disables.
*/
break;
case BFA_FCPORT_SM_HWFAIL:
bfa_reqq_wcancel(&fcport->reqq_wait);
bfa_sm_set_state(fcport, bfa_fcport_sm_iocdown);
break;
default:
bfa_sm_fault(fcport->bfa, event);
}
}
