void *
vbus_intr_establish(bus_space_tag_t t, bus_space_tag_t t0, int ihandle,
int level, int flags, int (*handler)(void *), void *arg, const char *what)
{
uint64_t sysino = INTVEC(ihandle);
struct intrhand *ih;
int err;
ih = bus_intr_allocate(t0, handler, arg, ihandle, level,
NULL, NULL, what);
if (ih == NULL)
return (NULL);
if (flags & BUS_INTR_ESTABLISH_MPSAFE)
ih->ih_mpsafe = 1;
intr_establish(ih->ih_pil, ih);
ih->ih_ack = vbus_intr_ack;
err = hv_intr_settarget(sysino, ih->ih_cpu->ci_upaid);
if (err != H_EOK)
return (NULL);
/* Clear pending interrupts. */
err = hv_intr_setstate(sysino, INTR_IDLE);
if (err != H_EOK)
return (NULL);
err = hv_intr_setenabled(sysino, INTR_ENABLED);
if (err != H_EOK)
return (NULL);
return (ih);
}
static int
vnex_setup_intr(device_t dev, device_t child, struct resource *res, int flags,
driver_filter_t *filt,driver_intr_t *intr, void *arg, void **cookiep)
{
uint64_t reg, nreg;
uint64_t ihdl, cfg;
uint64_t ino, nino;
int error, cpuid;
if (res == NULL)
panic("%s: NULL interrupt resource!", __func__);
if ((error = bus_get_resource(dev, SYS_RES_MEMORY, 0, ®, &nreg)))
goto fail;
if ((error = bus_get_resource(child, SYS_RES_IRQ, 0, &ino, &nino)))
goto fail;
cfg = SUN4V_REG_SPEC2CFG_HDL(reg);
if (hv_intr_devino_to_sysino(cfg, (uint32_t)ino, &ihdl) != H_EOK) {
error = ENXIO;
goto fail;
}
cpuid = 0;
if (hv_intr_settarget(ihdl, cpuid) != H_EOK) {
error = ENXIO;
goto fail;
}
if (hv_intr_setstate(ihdl, HV_INTR_IDLE_STATE) != H_EOK) {
error = ENXIO;
goto fail;
}
if (hv_intr_setenabled(ihdl, HV_INTR_ENABLED) != H_EOK) {
error = ENXIO;
goto fail;
}
if ((rman_get_flags(res) & RF_SHAREABLE) == 0)
flags |= INTR_EXCL;
/* We depend here on rman_activate_resource() being idempotent. */
if ((error = rman_activate_resource(res)))
goto fail;
error = inthand_add(device_get_nameunit(child), ihdl,
filt, intr, arg, flags, cookiep);
printf("inthandler added\n");
fail:
return (error);
}
void *
vbus_intr_establish(bus_space_tag_t t, int ihandle, int level,
int (*handler)(void *), void *arg, void (*fastvec)(void) /* ignored */)
{
uint64_t sysino = INTVEC(ihandle);
struct intrhand *ih;
int ino;
int err;
DPRINTF(VBUS_INTR, ("vbus_intr_establish()\n"));
ino = INTINO(ihandle);
ih = intrhand_alloc();
ih->ih_ivec = ihandle;
ih->ih_fun = handler;
ih->ih_arg = arg;
ih->ih_pil = level;
ih->ih_number = ino;
ih->ih_pending = 0;
intr_establish(ih->ih_pil, level != IPL_VM, ih);
ih->ih_ack = vbus_intr_ack;
err = hv_intr_settarget(sysino, cpus->ci_cpuid);
if (err != H_EOK) {
printf("hv_intr_settarget(%lu, %u) failed - err = %d\n",
(long unsigned int)sysino, cpus->ci_cpuid, err);
return (NULL);
}
/* Clear pending interrupts. */
err = hv_intr_setstate(sysino, INTR_IDLE);
if (err != H_EOK) {
printf("hv_intr_setstate(%lu, INTR_IDLE) failed - err = %d\n",
(long unsigned int)sysino, err);
return (NULL);
}
err = hv_intr_setenabled(sysino, INTR_ENABLED);
if (err != H_EOK) {
printf("hv_intr_setenabled(%lu) failed - err = %d\n",
(long unsigned int)sysino, err);
return (NULL);
}
return (ih);
}