fsm_instance *
init_fsm(char *name, const char **state_names, const char **event_names, int nr_states,
int nr_events, const fsm_node *tmpl, int tmpl_len, int order)
{
int i;
fsm_instance *this;
fsm_function_t *m;
fsm *f;
this = (fsm_instance *)kmalloc(sizeof(fsm_instance), order);
if (this == NULL) {
printk(KERN_WARNING
"fsm(%s): init_fsm: Couldn't alloc instance\n", name);
return NULL;
}
memset(this, 0, sizeof(fsm_instance));
strlcpy(this->name, name, sizeof(this->name));
f = (fsm *)kmalloc(sizeof(fsm), order);
if (f == NULL) {
printk(KERN_WARNING
"fsm(%s): init_fsm: Couldn't alloc fsm\n", name);
kfree_fsm(this);
return NULL;
}
memset(f, 0, sizeof(fsm));
f->nr_events = nr_events;
f->nr_states = nr_states;
f->event_names = event_names;
f->state_names = state_names;
this->f = f;
m = (fsm_function_t *)kmalloc(
sizeof(fsm_function_t) * nr_states * nr_events, order);
if (m == NULL) {
printk(KERN_WARNING
"fsm(%s): init_fsm: Couldn't alloc jumptable\n", name);
kfree_fsm(this);
return NULL;
}
memset(m, 0, sizeof(fsm_function_t) * f->nr_states * f->nr_events);
f->jumpmatrix = m;
for (i = 0; i < tmpl_len; i++) {
if ((tmpl[i].cond_state >= nr_states) ||
(tmpl[i].cond_event >= nr_events) ) {
printk(KERN_ERR
"fsm(%s): init_fsm: Bad template l=%d st(%ld/%ld) ev(%ld/%ld)\n",
name, i, (long)tmpl[i].cond_state, (long)f->nr_states,
(long)tmpl[i].cond_event, (long)f->nr_events);
kfree_fsm(this);
return NULL;
} else
m[nr_states * tmpl[i].cond_event + tmpl[i].cond_state] =
tmpl[i].function;
}
return this;
}
/**
* Remove a specific channel in the channel list.
*
* ch Pointer to channel struct to be released.
*/
static void channel_remove(struct channel *ch)
{
struct channel **c = &channels;
char chid[CTCM_ID_SIZE+1];
int ok = 0;
if (ch == NULL)
return;
else
strncpy(chid, ch->id, CTCM_ID_SIZE);
channel_free(ch);
while (*c) {
if (*c == ch) {
*c = ch->next;
fsm_deltimer(&ch->timer);
if (IS_MPC(ch))
fsm_deltimer(&ch->sweep_timer);
kfree_fsm(ch->fsm);
clear_normalized_cda(&ch->ccw[4]);
if (ch->trans_skb != NULL) {
clear_normalized_cda(&ch->ccw[1]);
dev_kfree_skb_any(ch->trans_skb);
}
if (IS_MPC(ch)) {
tasklet_kill(&ch->ch_tasklet);
tasklet_kill(&ch->ch_disc_tasklet);
kfree(ch->discontact_th);
}
kfree(ch->ccw);
kfree(ch->irb);
kfree(ch);
ok = 1;
break;
}
c = &((*c)->next);
}
CTCM_DBF_TEXT_(SETUP, CTC_DBF_INFO, "%s(%s) %s", CTCM_FUNTAIL,
chid, ok ? "OK" : "failed");
}
fsm_instance *
init_fsm(char *name, const char **state_names, const char **event_names, int nr_states,
int nr_events, const fsm_node *tmpl, int tmpl_len, gfp_t order)
{
int i;
fsm_instance *this;
fsm_function_t *m;
fsm *f;
this = kzalloc(sizeof(fsm_instance), order);
if (this == NULL) {
#ifdef CONFIG_DEBUG_PRINTK
printk(KERN_WARNING
"fsm(%s): init_fsm: Couldn't alloc instance\n", name);
#else
;
#endif
return NULL;
}
strlcpy(this->name, name, sizeof(this->name));
init_waitqueue_head(&this->wait_q);
f = kzalloc(sizeof(fsm), order);
if (f == NULL) {
#ifdef CONFIG_DEBUG_PRINTK
printk(KERN_WARNING
"fsm(%s): init_fsm: Couldn't alloc fsm\n", name);
#else
;
#endif
kfree_fsm(this);
return NULL;
}
f->nr_events = nr_events;
f->nr_states = nr_states;
f->event_names = event_names;
f->state_names = state_names;
this->f = f;
m = kcalloc(nr_states*nr_events, sizeof(fsm_function_t), order);
if (m == NULL) {
#ifdef CONFIG_DEBUG_PRINTK
printk(KERN_WARNING
"fsm(%s): init_fsm: Couldn't alloc jumptable\n", name);
#else
;
#endif
kfree_fsm(this);
return NULL;
}
f->jumpmatrix = m;
for (i = 0; i < tmpl_len; i++) {
if ((tmpl[i].cond_state >= nr_states) ||
(tmpl[i].cond_event >= nr_events) ) {
printk(KERN_ERR
"fsm(%s): init_fsm: Bad template l=%d st(%ld/%ld) ev(%ld/%ld)\n",
name, i, (long)tmpl[i].cond_state, (long)f->nr_states,
(long)tmpl[i].cond_event, (long)f->nr_events);
kfree_fsm(this);
return NULL;
} else
m[nr_states * tmpl[i].cond_event + tmpl[i].cond_state] =
tmpl[i].function;
}
return this;
}