/**
* 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);
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_assert(0);
}
}
void
bfa_sgpg_wait(struct bfa_s *bfa, struct bfa_sgpg_wqe_s *wqe, int nsgpg)
{
struct bfa_sgpg_mod_s *mod = BFA_SGPG_MOD(bfa);
bfa_assert(nsgpg > 0);
bfa_assert(nsgpg > mod->free_sgpgs);
wqe->nsgpg_total = wqe->nsgpg = nsgpg;
/**
* allocate any left to this one first
*/
if (mod->free_sgpgs) {
/**
* no one else is waiting for SGPG
*/
bfa_assert(list_empty(&mod->sgpg_wait_q));
bfa_q_enq_q(&wqe->sgpg_q, &mod->sgpg_q);
wqe->nsgpg -= mod->free_sgpgs;
mod->free_sgpgs = 0;
}
list_add_tail(&wqe->qe, &mod->sgpg_wait_q);
}
/**
* IO is being aborted, waiting for completion from firmware.
*/
static void
bfa_ioim_sm_abort(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_DONE:
bfa_sm_set_state(ioim, bfa_ioim_sm_hcb_free);
bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, __bfa_cb_ioim_abort,
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, __bfa_cb_ioim_abort,
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, __bfa_cb_ioim_abort,
ioim);
break;
case BFA_IOIM_SM_CLEANUP:
bfa_assert(ioim->iosp->abort_explicit == BFA_TRUE);
ioim->iosp->abort_explicit = BFA_FALSE;
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->itnim->reqq,
&ioim->iosp->reqq_wait);
}
break;
case BFA_IOIM_SM_HWFAIL:
bfa_sm_set_state(ioim, bfa_ioim_sm_hcb);
bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, __bfa_cb_ioim_failed,
ioim);
break;
default:
bfa_assert(0);
}
}
/**
* Should be called with lock protection
*/
void
bfa_timer_begin(struct bfa_timer_mod_s *mod, struct bfa_timer_s *timer,
void (*timercb) (void *), void *arg, unsigned int timeout)
{
bfa_assert(timercb != NULL);
bfa_assert(!bfa_q_is_on_q(&mod->timer_q, timer));
timer->timeout = timeout;
timer->timercb = timercb;
timer->arg = arg;
list_add_tail(&timer->qe, &mod->timer_q);
}
/**
* 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_assert(0);
}
}
/**
* bfa_port_disable()
*
* Send the Port disable request to the f/w
*
* @param[in] Pointer to the Port module data structure.
*
* @return Status
*/
bfa_status_t
bfa_port_disable(struct bfa_port_s *port, bfa_port_endis_cbfn_t cbfn,
void *cbarg)
{
struct bfi_port_generic_req_s *m;
/** todo Not implemented */
bfa_assert(0);
if (!bfa_ioc_is_operational(port->ioc)) {
bfa_trc(port, BFA_STATUS_IOC_FAILURE);
return BFA_STATUS_IOC_FAILURE;
}
if (port->endis_pending) {
bfa_trc(port, BFA_STATUS_DEVBUSY);
return BFA_STATUS_DEVBUSY;
}
m = (struct bfi_port_generic_req_s *)port->endis_mb.msg;
port->msgtag++;
port->endis_cbfn = cbfn;
port->endis_cbarg = cbarg;
port->endis_pending = BFA_TRUE;
bfi_h2i_set(m->mh, BFI_MC_PORT, BFI_PORT_H2I_DISABLE_REQ,
bfa_ioc_portid(port->ioc));
bfa_ioc_mbox_queue(port->ioc, &port->endis_mb);
return BFA_STATUS_OK;
}
/**
* bfa_port_attach()
*
*
* @param[in] port - Pointer to the Port module data structure
* ioc - Pointer to the ioc module data structure
* dev - Pointer to the device driver module data structure
* The device driver specific mbox ISR functions have
* this pointer as one of the parameters.
* trcmod -
* logmod -
*
* @return void
*/
void
bfa_port_attach(struct bfa_port_s *port, struct bfa_ioc_s *ioc, void *dev,
struct bfa_trc_mod_s *trcmod, struct bfa_log_mod_s *logmod)
{
struct bfa_timeval_s tv;
bfa_assert(port);
port->dev = dev;
port->ioc = ioc;
port->trcmod = trcmod;
port->logmod = logmod;
port->stats_busy = BFA_FALSE;
port->endis_pending = BFA_FALSE;
port->stats_cbfn = NULL;
port->endis_cbfn = NULL;
bfa_ioc_mbox_regisr(port->ioc, BFI_MC_PORT, bfa_port_isr, port);
bfa_ioc_hbfail_init(&port->hbfail, bfa_port_hbfail, port);
bfa_ioc_hbfail_register(port->ioc, &port->hbfail);
/**
* initialize time stamp for stats reset
*/
bfa_os_gettimeofday(&tv);
port->stats_reset_time = tv.tv_sec;
bfa_trc(port, 0);
}
/**
* 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_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_assert(0);
}
}
/**
* Use the Mailbox interface to send BFI_IOCFC_H2I_CFG_REQ
*/
static void
bfa_iocfc_send_cfg(void *bfa_arg)
{
struct bfa_s *bfa = bfa_arg;
struct bfa_iocfc_s *iocfc = &bfa->iocfc;
struct bfi_iocfc_cfg_req_s cfg_req;
struct bfi_iocfc_cfg_s *cfg_info = iocfc->cfginfo;
struct bfa_iocfc_cfg_s *cfg = &iocfc->cfg;
int i;
bfa_assert(cfg->fwcfg.num_cqs <= BFI_IOC_MAX_CQS);
bfa_trc(bfa, cfg->fwcfg.num_cqs);
bfa_iocfc_reset_queues(bfa);
/**
* initialize IOC configuration info
*/
cfg_info->endian_sig = BFI_IOC_ENDIAN_SIG;
cfg_info->num_cqs = cfg->fwcfg.num_cqs;
bfa_dma_be_addr_set(cfg_info->cfgrsp_addr, iocfc->cfgrsp_dma.pa);
/**
* dma map REQ and RSP circular queues and shadow pointers
*/
for (i = 0; i < cfg->fwcfg.num_cqs; i++) {
bfa_dma_be_addr_set(cfg_info->req_cq_ba[i],
iocfc->req_cq_ba[i].pa);
bfa_dma_be_addr_set(cfg_info->req_shadow_ci[i],
iocfc->req_cq_shadow_ci[i].pa);
cfg_info->req_cq_elems[i] =
bfa_os_htons(cfg->drvcfg.num_reqq_elems);
bfa_dma_be_addr_set(cfg_info->rsp_cq_ba[i],
iocfc->rsp_cq_ba[i].pa);
bfa_dma_be_addr_set(cfg_info->rsp_shadow_pi[i],
iocfc->rsp_cq_shadow_pi[i].pa);
cfg_info->rsp_cq_elems[i] =
bfa_os_htons(cfg->drvcfg.num_rspq_elems);
}
/**
* Enable interrupt coalescing if it is driver init path
* and not ioc disable/enable path.
*/
if (!iocfc->cfgdone)
cfg_info->intr_attr.coalesce = BFA_TRUE;
iocfc->cfgdone = BFA_FALSE;
/**
* dma map IOC configuration itself
*/
bfi_h2i_set(cfg_req.mh, BFI_MC_IOCFC, BFI_IOCFC_H2I_CFG_REQ,
bfa_lpuid(bfa));
bfa_dma_be_addr_set(cfg_req.ioc_cfg_dma_addr, iocfc->cfg_info.pa);
bfa_ioc_mbox_send(&bfa->ioc, &cfg_req,
sizeof(struct bfi_iocfc_cfg_req_s));
}
/**
* LOGO is sent to fabric. Vport delete is in progress. Lport delete cleanup
* is done.
*/
static void
bfa_fcs_vport_sm_logo(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_OFFLINE:
bfa_lps_discard(vport->lps);
/*
* !!! fall through !!!
*/
case BFA_FCS_VPORT_SM_RSP_OK:
case BFA_FCS_VPORT_SM_RSP_ERROR:
bfa_sm_set_state(vport, bfa_fcs_vport_sm_uninit);
bfa_fcs_vport_free(vport);
break;
case BFA_FCS_VPORT_SM_DELETE:
break;
default:
bfa_assert(0);
}
}
/**
* Should be called with lock protection
*/
void
bfa_timer_stop(struct bfa_timer_s *timer)
{
bfa_assert(!list_empty(&timer->qe));
list_del(&timer->qe);
}
void
bfad_hal_mem_release(struct bfad_s *bfad)
{
int i;
struct bfa_meminfo_s *hal_meminfo = &bfad->meminfo;
struct bfa_mem_elem_s *meminfo_elem;
for (i = 0; i < BFA_MEM_TYPE_MAX; i++) {
meminfo_elem = &hal_meminfo->meminfo[i];
if (meminfo_elem->kva != NULL) {
switch (meminfo_elem->mem_type) {
case BFA_MEM_TYPE_KVA:
vfree(meminfo_elem->kva);
break;
case BFA_MEM_TYPE_DMA:
dma_free_coherent(&bfad->pcidev->dev,
meminfo_elem->mem_len,
meminfo_elem->kva,
(dma_addr_t) meminfo_elem->dma);
break;
default:
bfa_assert(0);
break;
}
}
}
memset(hal_meminfo, 0, sizeof(struct bfa_meminfo_s));
}
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);
}
}
/*
* 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_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_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);
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_fcs_rport_itnim_ack(itnim->rport);
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_assert(0);
}
}
void
bfa_fcs_port_loop_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_s *port = (struct bfa_fcs_port_s *) cbarg;
struct fc_logi_s *plogi_resp;
struct fc_els_cmd_s *els_cmd;
bfa_trc(port->fcs, req_status);
if (req_status != BFA_STATUS_OK) {
bfa_trc(port->fcs, req_status);
return;
}
els_cmd = (struct fc_els_cmd_s *) BFA_FCXP_RSP_PLD(fcxp);
plogi_resp = (struct fc_logi_s *) els_cmd;
if (els_cmd->els_code == FC_ELS_ACC) {
bfa_fcs_rport_start(port, rsp_fchs, plogi_resp);
} else {
bfa_trc(port->fcs, plogi_resp->els_cmd.els_code);
bfa_assert(0);
}
}
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;
bfa_trc(rport->fcs, rport->pwwn);
bfa_trc(rport->fcs, rport->pid);
bfa_trc(rport->fcs, event);
switch (event) {
case RPFSM_EVENT_RPORT_ONLINE :
if (!BFA_FCS_PID_IS_WKA(rport->pid)) {
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_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_assert(0);
}
}
/**
* Local Functions.
*/
static bfa_status_t
bfa_fcs_port_loop_send_plogi(struct bfa_fcs_port_s *port, u8 alpa)
{
struct fchs_s fchs;
struct bfa_fcxp_s *fcxp = NULL;
int len;
bfa_trc(port->fcs, alpa);
fcxp = bfa_fcxp_alloc(NULL, port->fcs->bfa, 0, 0, NULL, NULL, NULL,
NULL);
bfa_assert(fcxp);
len = fc_plogi_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), alpa,
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_loop_plogi_response, (void *)port,
FC_MAX_PDUSZ, FC_RA_TOV);
return BFA_STATUS_OK;
}
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_assert(0);
}
}
/**
* Use this function to do attach the driver instance with the BFA
* library. This function will not trigger any HW initialization
* process (which will be done in bfa_init() call)
*
* This call will fail, if the cap is out of range compared to
* pre-defined values within the BFA library
*
* @param[out] bfa Pointer to bfa_t.
* @param[in] bfad Opaque handle back to the driver's IOC structure
* @param[in] cfg Pointer to bfa_ioc_cfg_t. Should be same structure
* that was used in bfa_cfg_get_meminfo().
* @param[in] meminfo Pointer to bfa_meminfo_t. The driver should
* use the bfa_cfg_get_meminfo() call to
* find the memory blocks required, allocate the
* required memory and provide the starting addresses.
* @param[in] pcidev pointer to struct bfa_pcidev_s
*
* @return
* void
*
* Special Considerations:
*
* @note
*
*/
void
bfa_attach(struct bfa_s *bfa, void *bfad, struct bfa_iocfc_cfg_s *cfg,
struct bfa_meminfo_s *meminfo, struct bfa_pcidev_s *pcidev)
{
int i;
struct bfa_mem_elem_s *melem;
bfa->fcs = BFA_FALSE;
bfa_assert((cfg != NULL) && (meminfo != NULL));
/**
* initialize all memory pointers for iterative allocation
*/
for (i = 0; i < BFA_MEM_TYPE_MAX; i++) {
melem = meminfo->meminfo + i;
melem->kva_curp = melem->kva;
melem->dma_curp = melem->dma;
}
bfa_iocfc_attach(bfa, bfad, cfg, meminfo, pcidev);
for (i = 0; hal_mods[i]; i++)
hal_mods[i]->attach(bfa, bfad, cfg, meminfo, pcidev);
bfa_com_port_attach(bfa, meminfo);
}
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);
}
}
/**
* Setup any additional SG pages needed.Inline SG element is setup
* at queuing time.
*/
static bfa_boolean_t
bfa_ioim_sge_setup(struct bfa_ioim_s *ioim)
{
u16 nsgpgs;
bfa_assert(ioim->nsges > BFI_SGE_INLINE);
/**
* allocate SG pages needed
*/
nsgpgs = BFA_SGPG_NPAGE(ioim->nsges);
if (!nsgpgs)
return BFA_TRUE;
if (bfa_sgpg_malloc(ioim->bfa, &ioim->sgpg_q, nsgpgs)
!= BFA_STATUS_OK) {
bfa_sgpg_wait(ioim->bfa, &ioim->iosp->sgpg_wqe, nsgpgs);
return BFA_FALSE;
}
ioim->nsgpgs = nsgpgs;
bfa_ioim_sgpg_setup(ioim);
return BFA_TRUE;
}
/**
* 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_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_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);
}
}
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_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);
}
}
