/*
* Allocate and initialize the TID tables. Returns 0 on success.
*/
static int
init_tid_tabs(struct tid_info *t, unsigned int ntids,
unsigned int natids, unsigned int nstids,
unsigned int atid_base, unsigned int stid_base)
{
unsigned long size = ntids * sizeof(*t->tid_tab) +
natids * sizeof(*t->atid_tab) + nstids * sizeof(*t->stid_tab);
t->tid_tab = cxgb_alloc_mem(size);
if (!t->tid_tab)
return (ENOMEM);
t->stid_tab = (union listen_entry *)&t->tid_tab[ntids];
t->atid_tab = (union active_open_entry *)&t->stid_tab[nstids];
t->ntids = ntids;
t->nstids = nstids;
t->stid_base = stid_base;
t->sfree = NULL;
t->natids = natids;
t->atid_base = atid_base;
t->afree = NULL;
t->stids_in_use = t->atids_in_use = 0;
t->tids_in_use = 0;
mtx_init(&t->stid_lock, "stid", NULL, MTX_DUPOK|MTX_DEF);
mtx_init(&t->atid_lock, "atid", NULL, MTX_DUPOK|MTX_DEF);
/*
* Setup the free lists for stid_tab and atid_tab.
*/
if (nstids) {
while (--nstids)
t->stid_tab[nstids - 1].next = &t->stid_tab[nstids];
t->sfree = t->stid_tab;
}
if (natids) {
while (--natids)
t->atid_tab[natids - 1].next = &t->atid_tab[natids];
t->afree = t->atid_tab;
}
return 0;
}
struct l2t_data *t3_init_l2t(unsigned int l2t_capacity)
{
struct l2t_data *d;
int i, size = sizeof(*d) + l2t_capacity * sizeof(struct l2t_entry);
d = cxgb_alloc_mem(size);
if (!d)
return NULL;
d->nentries = l2t_capacity;
d->rover = &d->l2tab[1]; /* entry 0 is not used */
atomic_set(&d->nfree, l2t_capacity - 1);
rwlock_init(&d->lock);
for (i = 0; i < l2t_capacity; ++i) {
d->l2tab[i].idx = i;
d->l2tab[i].state = L2T_STATE_UNUSED;
spin_lock_init(&d->l2tab[i].lock);
atomic_set(&d->l2tab[i].refcnt, 0);
}
return d;
}
