static void set_tpm(Object *obj, Visitor *v, const char *name, void *opaque,
Error **errp)
{
DeviceState *dev = DEVICE(obj);
Error *local_err = NULL;
Property *prop = opaque;
TPMBackend *s, **be = qdev_get_prop_ptr(dev, prop);
char *str;
if (dev->realized) {
qdev_prop_set_after_realize(dev, name, errp);
return;
}
visit_type_str(v, name, &str, &local_err);
if (local_err) {
error_propagate(errp, local_err);
return;
}
s = qemu_find_tpm_be(str);
if (s == NULL) {
error_setg(errp, "Property '%s.%s' can't find value '%s'",
object_get_typename(obj), prop->name, str);
} else if (tpm_backend_init(s, TPM_IF(obj), errp) == 0) {
*be = s; /* weak reference, avoid cyclic ref */
}
g_free(str);
}
static void tpm_tis_realizefn(DeviceState *dev, Error **errp)
{
TPMState *s = TPM(dev);
TPMTISEmuState *tis = &s->s.tis;
s->be_driver = qemu_find_tpm(s->backend);
if (!s->be_driver) {
error_setg(errp, "tpm_tis: backend driver with id %s could not be "
"found", s->backend);
return;
}
s->be_driver->fe_model = TPM_MODEL_TPM_TIS;
if (tpm_backend_init(s->be_driver, s, tpm_tis_receive_cb)) {
error_setg(errp, "tpm_tis: backend driver with id %s could not be "
"initialized", s->backend);
return;
}
if (tis->irq_num > 15) {
error_setg(errp, "tpm_tis: IRQ %d for TPM TIS is outside valid range "
"of 0 to 15.\n", tis->irq_num);
return;
}
tis->bh = qemu_bh_new(tpm_tis_receive_bh, s);
isa_init_irq(&s->busdev, &tis->irq, tis->irq_num);
}