/**
* Allocate IOIM resource for initiator mode I/O request.
*/
struct bfa_ioim_s *
bfa_ioim_alloc(struct bfa_s *bfa, struct bfad_ioim_s *dio,
struct bfa_itnim_s *itnim, u16 nsges)
{
struct bfa_fcpim_mod_s *fcpim = BFA_FCPIM_MOD(bfa);
struct bfa_ioim_s *ioim;
/**
* alocate IOIM resource
*/
bfa_q_deq(&fcpim->ioim_free_q, &ioim);
if (!ioim) {
bfa_fcpim_stats(fcpim, no_iotags);
return NULL;
}
ioim->dio = dio;
ioim->itnim = itnim;
ioim->nsges = nsges;
ioim->nsgpgs = 0;
bfa_stats(fcpim, total_ios);
bfa_stats(itnim, ios);
fcpim->ios_active++;
list_add_tail(&ioim->qe, &itnim->io_q);
bfa_trc_fp(ioim->bfa, ioim->iotag);
return ioim;
}
void
bfa_timer_beat(struct bfa_timer_mod_s *mod)
{
struct list_head *qh = &mod->timer_q;
struct list_head *qe, *qe_next;
struct bfa_timer_s *elem;
struct list_head timedout_q;
INIT_LIST_HEAD(&timedout_q);
qe = bfa_q_next(qh);
while (qe != qh) {
qe_next = bfa_q_next(qe);
elem = (struct bfa_timer_s *) qe;
if (elem->timeout <= BFA_TIMER_FREQ) {
elem->timeout = 0;
list_del(&elem->qe);
list_add_tail(&elem->qe, &timedout_q);
} else {
elem->timeout -= BFA_TIMER_FREQ;
}
qe = qe_next; /* go to next elem */
}
/*
* Pop all the timeout entries
*/
while (!list_empty(&timedout_q)) {
bfa_q_deq(&timedout_q, &elem);
elem->timercb(elem->arg);
}
}
static void
cmdq_sm_stopped_entry(struct bfa_msgq_cmdq *cmdq)
{
struct bfa_msgq_cmd_entry *cmdq_ent;
cmdq->producer_index = 0;
cmdq->consumer_index = 0;
cmdq->flags = 0;
cmdq->token = 0;
cmdq->offset = 0;
cmdq->bytes_to_copy = 0;
while (!list_empty(&cmdq->pending_q)) {
bfa_q_deq(&cmdq->pending_q, &cmdq_ent);
bfa_q_qe_init(&cmdq_ent->qe);
call_cmdq_ent_cbfn(cmdq_ent, BFA_STATUS_FAILED);
}
}
bfa_status_t
bfa_sgpg_malloc(struct bfa_s *bfa, struct list_head *sgpg_q, int nsgpgs)
{
struct bfa_sgpg_mod_s *mod = BFA_SGPG_MOD(bfa);
struct bfa_sgpg_s *hsgpg;
int i;
bfa_trc_fp(bfa, nsgpgs);
if (mod->free_sgpgs < nsgpgs)
return BFA_STATUS_ENOMEM;
for (i = 0; i < nsgpgs; i++) {
bfa_q_deq(&mod->sgpg_q, &hsgpg);
bfa_assert(hsgpg);
list_add_tail(&hsgpg->qe, sgpg_q);
}
mod->free_sgpgs -= nsgpgs;
return BFA_STATUS_OK;
}
