static int
nexus_bind_intr(device_t bus __unused, device_t child __unused,
struct resource *r, int cpu)
{
return (powerpc_bind_intr(rman_get_start(r), cpu));
}
t_Error
XX_SetIntr(uintptr_t irq, t_Isr *f_Isr, t_Handle handle)
{
device_t dev;
struct resource *r;
unsigned int flags;
int err;
r = (struct resource *)irq;
dev = rman_get_device(r);
irq = rman_get_start(r);
/* Handle preallocated interrupts */
if (XX_IntrInfo[irq].flags & XX_INTR_FLAG_PREALLOCATED) {
if (XX_IntrInfo[irq].handler != NULL)
return (E_BUSY);
XX_IntrInfo[irq].handler = f_Isr;
XX_IntrInfo[irq].arg = handle;
return (E_OK);
}
flags = INTR_TYPE_NET | INTR_MPSAFE;
/* BMAN/QMAN Portal interrupts must be exlusive */
if (XX_IsPortalIntr(irq))
flags |= INTR_EXCL;
err = bus_setup_intr(dev, r, flags, NULL, f_Isr, handle,
&XX_IntrInfo[irq].cookie);
if (err)
goto finish;
/*
* XXX: Bind FMan IRQ to CPU0. Current interrupt subsystem directs each
* interrupt to all CPUs. Race between an interrupt assertion and
* masking may occur and interrupt handler may be called multiple times
* per one interrupt. FMan doesn't support such a situation. Workaround
* is to bind FMan interrupt to one CPU0 only.
*/
#ifdef SMP
if (XX_FmanNeedsIntrFix(irq))
err = powerpc_bind_intr(irq, 0);
#endif
finish:
return (err);
}
static int
nexus_bind_intr(device_t dev, device_t child, struct resource *irq, int cpu)
{
return (powerpc_bind_intr(rman_get_start(irq), cpu));
}