int
mps_pci_setup_interrupts(struct mps_softc *sc)
{
device_t dev;
int error;
u_int irq_flags;
dev = sc->mps_dev;
#if 0 /* XXX swildner */
if ((sc->disable_msix == 0) &&
((msgs = pci_msix_count(dev)) >= MPS_MSI_COUNT))
error = mps_alloc_msix(sc, MPS_MSI_COUNT);
#endif
sc->mps_irq_rid[0] = 0;
sc->mps_irq_type[0] = pci_alloc_1intr(dev, sc->enable_msi,
&sc->mps_irq_rid[0], &irq_flags);
sc->mps_irq[0] = bus_alloc_resource_any(dev, SYS_RES_IRQ,
&sc->mps_irq_rid[0], irq_flags);
if (sc->mps_irq[0] == NULL) {
device_printf(dev, "Cannot allocate interrupt\n");
return (ENXIO);
}
error = bus_setup_intr(dev, sc->mps_irq[0], INTR_MPSAFE, mps_intr, sc,
&sc->mps_intrhand[0], NULL);
if (error)
device_printf(dev, "Cannot setup interrupt\n");
return (error);
}
int
mps_pci_setup_interrupts(struct mps_softc *sc)
{
device_t dev;
int i, error, msgs;
dev = sc->mps_dev;
error = ENXIO;
if ((sc->disable_msix == 0) &&
((msgs = pci_msix_count(dev)) >= MPS_MSI_COUNT))
error = mps_alloc_msix(sc, MPS_MSI_COUNT);
if ((error != 0) && (sc->disable_msi == 0) &&
((msgs = pci_msi_count(dev)) >= MPS_MSI_COUNT))
error = mps_alloc_msi(sc, MPS_MSI_COUNT);
if (error != 0) {
sc->mps_flags |= MPS_FLAGS_INTX;
sc->mps_irq_rid[0] = 0;
sc->mps_irq[0] = bus_alloc_resource_any(dev, SYS_RES_IRQ,
&sc->mps_irq_rid[0], RF_SHAREABLE | RF_ACTIVE);
if (sc->mps_irq[0] == NULL) {
mps_printf(sc, "Cannot allocate INTx interrupt\n");
return (ENXIO);
}
error = bus_setup_intr(dev, sc->mps_irq[0],
INTR_TYPE_BIO | INTR_MPSAFE, NULL, mps_intr, sc,
&sc->mps_intrhand[0]);
if (error)
mps_printf(sc, "Cannot setup INTx interrupt\n");
} else {
sc->mps_flags |= MPS_FLAGS_MSI;
for (i = 0; i < MPS_MSI_COUNT; i++) {
sc->mps_irq_rid[i] = i + 1;
sc->mps_irq[i] = bus_alloc_resource_any(dev,
SYS_RES_IRQ, &sc->mps_irq_rid[i], RF_ACTIVE);
if (sc->mps_irq[i] == NULL) {
mps_printf(sc,
"Cannot allocate MSI interrupt\n");
return (ENXIO);
}
error = bus_setup_intr(dev, sc->mps_irq[i],
INTR_TYPE_BIO | INTR_MPSAFE, NULL, mps_intr_msi,
sc, &sc->mps_intrhand[i]);
if (error) {
mps_printf(sc,
"Cannot setup MSI interrupt %d\n", i);
break;
}
}
}
return (error);
}