/**
* or after the link comes back.
*/
void
bfa_ioim_delayed_comp(struct bfa_ioim_s *ioim, bfa_boolean_t iotov)
{
/**
* If path tov timer expired, failback with PATHTOV status - these
* IO requests are not normally retried by IO stack.
*
* Otherwise device cameback online and fail it with normal failed
* status so that IO stack retries these failed IO requests.
*/
if (iotov)
ioim->io_cbfn = __bfa_cb_ioim_pathtov;
else
ioim->io_cbfn = __bfa_cb_ioim_failed;
bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, ioim->io_cbfn, ioim);
/**
* Move IO to fcpim global queue since itnim will be
* freed.
*/
list_del(&ioim->qe);
list_add_tail(&ioim->qe, &ioim->fcpim->ioim_comp_q);
}
/**
* IO is not started (unallocated).
*/
static void
bfa_ioim_sm_uninit(struct bfa_ioim_s *ioim, enum bfa_ioim_event event)
{
bfa_trc_fp(ioim->bfa, ioim->iotag);
bfa_trc_fp(ioim->bfa, event);
switch (event) {
case BFA_IOIM_SM_START:
if (!bfa_itnim_is_online(ioim->itnim)) {
if (!bfa_itnim_hold_io(ioim->itnim)) {
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_pathtov, ioim);
} else {
list_del(&ioim->qe);
list_add_tail(&ioim->qe,
&ioim->itnim->pending_q);
}
break;
}
if (ioim->nsges > BFI_SGE_INLINE) {
if (!bfa_ioim_sge_setup(ioim)) {
bfa_sm_set_state(ioim, bfa_ioim_sm_sgalloc);
return;
}
}
if (!bfa_ioim_send_ioreq(ioim)) {
bfa_sm_set_state(ioim, bfa_ioim_sm_qfull);
break;
}
bfa_sm_set_state(ioim, bfa_ioim_sm_active);
break;
case BFA_IOIM_SM_IOTOV:
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_pathtov, ioim);
break;
case BFA_IOIM_SM_ABORT:
/**
* IO in pending queue can get abort requests. Complete abort
* requests immediately.
*/
bfa_sm_set_state(ioim, bfa_ioim_sm_hcb);
bfa_assert(bfa_q_is_on_q(&ioim->itnim->pending_q, ioim));
bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, __bfa_cb_ioim_abort,
ioim);
break;
default:
bfa_sm_fault(ioim->bfa, event);
}
}
/**
* IO is active.
*/
static void
bfa_ioim_sm_active(struct bfa_ioim_s *ioim, enum bfa_ioim_event event)
{
bfa_trc_fp(ioim->bfa, ioim->iotag);
bfa_trc_fp(ioim->bfa, event);
switch (event) {
case BFA_IOIM_SM_COMP_GOOD:
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_good_comp, ioim);
break;
case BFA_IOIM_SM_COMP:
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_comp,
ioim);
break;
case BFA_IOIM_SM_DONE:
bfa_sm_set_state(ioim, bfa_ioim_sm_hcb_free);
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_comp,
ioim);
break;
case BFA_IOIM_SM_ABORT:
ioim->iosp->abort_explicit = BFA_TRUE;
ioim->io_cbfn = __bfa_cb_ioim_abort;
if (bfa_ioim_send_abort(ioim))
bfa_sm_set_state(ioim, bfa_ioim_sm_abort);
else {
bfa_sm_set_state(ioim, bfa_ioim_sm_abort_qfull);
bfa_reqq_wait(ioim->bfa, ioim->reqq,
&ioim->iosp->reqq_wait);
}
break;
case BFA_IOIM_SM_CLEANUP:
ioim->iosp->abort_explicit = BFA_FALSE;
ioim->io_cbfn = __bfa_cb_ioim_failed;
if (bfa_ioim_send_abort(ioim))
bfa_sm_set_state(ioim, bfa_ioim_sm_cleanup);
else {
bfa_sm_set_state(ioim, bfa_ioim_sm_cleanup_qfull);
bfa_reqq_wait(ioim->bfa, ioim->reqq,
&ioim->iosp->reqq_wait);
}
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;
default:
bfa_sm_fault(ioim->bfa, event);
}
}
static void
bfa_fcport_queue_cb(struct bfa_fcport_ln_s *ln, enum bfa_pport_linkstate event)
{
ln->ln_event = event;
bfa_cb_queue(ln->fcport->bfa, &ln->ln_qe, __bfa_cb_fcport_event, ln);
}
/**
* Firmware message handler.
*/
void
bfa_fcport_isr(struct bfa_s *bfa, struct bfi_msg_s *msg)
{
struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
union bfi_fcport_i2h_msg_u i2hmsg;
i2hmsg.msg = msg;
fcport->event_arg.i2hmsg = i2hmsg;
switch (msg->mhdr.msg_id) {
case BFI_FCPORT_I2H_ENABLE_RSP:
if (fcport->msgtag == i2hmsg.penable_rsp->msgtag)
bfa_sm_send_event(fcport, BFA_FCPORT_SM_FWRSP);
break;
case BFI_FCPORT_I2H_DISABLE_RSP:
if (fcport->msgtag == i2hmsg.pdisable_rsp->msgtag)
bfa_sm_send_event(fcport, BFA_FCPORT_SM_FWRSP);
break;
case BFI_FCPORT_I2H_EVENT:
switch (i2hmsg.event->link_state.linkstate) {
case BFA_PPORT_LINKUP:
bfa_sm_send_event(fcport, BFA_FCPORT_SM_LINKUP);
break;
case BFA_PPORT_LINKDOWN:
bfa_sm_send_event(fcport, BFA_FCPORT_SM_LINKDOWN);
break;
case BFA_PPORT_TRUNK_LINKDOWN:
/** todo: event notification */
break;
}
break;
case BFI_FCPORT_I2H_STATS_GET_RSP:
/*
* check for timer pop before processing the rsp
*/
if (fcport->stats_busy == BFA_FALSE ||
fcport->stats_status == BFA_STATUS_ETIMER)
break;
bfa_timer_stop(&fcport->timer);
fcport->stats_status = i2hmsg.pstatsget_rsp->status;
bfa_cb_queue(fcport->bfa, &fcport->hcb_qe,
__bfa_cb_fcport_stats_get, fcport);
break;
case BFI_FCPORT_I2H_STATS_CLEAR_RSP:
/*
* check for timer pop before processing the rsp
*/
if (fcport->stats_busy == BFA_FALSE ||
fcport->stats_status == BFA_STATUS_ETIMER)
break;
bfa_timer_stop(&fcport->timer);
fcport->stats_status = BFA_STATUS_OK;
bfa_cb_queue(fcport->bfa, &fcport->hcb_qe,
__bfa_cb_fcport_stats_clr, fcport);
break;
default:
bfa_assert(0);
break;
}
}