/*
* Set up an interrupt handler to start being called.
* XXX PRONE TO RACE CONDITIONS, UGLY, 'INTERESTING' INSERTION ALGORITHM.
*/
void *
isa_intr_establish(isa_chipset_tag_t ic, int irq, int type, int level,
int (*ih_fun)(void *), void *ih_arg, char *ih_what)
{
int evtch;
evtch = bind_pirq_to_evtch(irq);
if (evtch == -1)
return NULL;
return (void *)pirq_establish(irq, evtch, ih_fun, ih_arg, level);
}
void *
pci_intr_establish(pci_chipset_tag_t pcitag, pci_intr_handle_t intrh,
int level, int (*func)(void *), void *arg)
{
char evname[16];
#if NIOAPIC > 0
struct ioapic_softc *pic;
if (intrh.pirq & APIC_INT_VIA_APIC) {
pic = ioapic_find(APIC_IRQ_APIC(intrh.pirq));
if (pic == NULL) {
printf("pci_intr_establish: bad ioapic %d\n",
APIC_IRQ_APIC(intrh.pirq));
return NULL;
}
snprintf(evname, sizeof(evname), "%s pin %d",
device_xname(pic->sc_dev), APIC_IRQ_PIN(intrh.pirq));
} else
#endif
snprintf(evname, sizeof(evname), "irq%d", intrh.pirq);
return (void *)pirq_establish(intrh.pirq & 0xff,
intrh.evtch, func, arg, level, evname);
}
void *
pci_intr_establish(pci_chipset_tag_t pcitag, pci_intr_handle_t intrh,
int level, int (*func)(void *), void *arg, char *what)
{
return (void *)pirq_establish(intrh.pirq, intrh.evtch, func, arg, level);
}