static void unrealize(DeviceState *d, Error **errp)
{
sPAPRDRConnector *drc = SPAPR_DR_CONNECTOR(d);
sPAPRDRConnectorClass *drck = SPAPR_DR_CONNECTOR_GET_CLASS(drc);
Object *root_container;
char name[256];
Error *err = NULL;
DPRINTFN("drc unrealize: %x", drck->get_index(drc));
root_container = container_get(object_get_root(), DRC_CONTAINER_PATH);
snprintf(name, sizeof(name), "%x", drck->get_index(drc));
object_property_del(root_container, name, &err);
if (err) {
error_report_err(err);
object_unref(OBJECT(drc));
}
}
static void detach(sPAPRDRConnector *drc, DeviceState *d,
spapr_drc_detach_cb *detach_cb,
void *detach_cb_opaque, Error **errp)
{
DPRINTFN("drc: %x, detach", get_index(drc));
drc->detach_cb = detach_cb;
drc->detach_cb_opaque = detach_cb_opaque;
if (drc->isolation_state != SPAPR_DR_ISOLATION_STATE_ISOLATED) {
DPRINTFN("awaiting transition to isolated state before removal");
drc->awaiting_release = true;
return;
}
if (drc->type != SPAPR_DR_CONNECTOR_TYPE_PCI &&
drc->allocation_state != SPAPR_DR_ALLOCATION_STATE_UNUSABLE) {
DPRINTFN("awaiting transition to unusable state before removal");
drc->awaiting_release = true;
return;
}
drc->indicator_state = SPAPR_DR_INDICATOR_STATE_INACTIVE;
if (drc->detach_cb) {
drc->detach_cb(drc->dev, drc->detach_cb_opaque);
}
drc->awaiting_release = false;
g_free(drc->fdt);
drc->fdt = NULL;
drc->fdt_start_offset = 0;
object_property_del(OBJECT(drc), "device", NULL);
drc->dev = NULL;
drc->detach_cb = NULL;
drc->detach_cb_opaque = NULL;
}
Object *user_creatable_add_type(const char *type, const char *id,
const QDict *qdict,
Visitor *v, Error **errp)
{
Object *obj;
ObjectClass *klass;
const QDictEntry *e;
Error *local_err = NULL;
klass = object_class_by_name(type);
if (!klass) {
error_setg(errp, "invalid object type: %s", type);
return NULL;
}
if (!object_class_dynamic_cast(klass, TYPE_USER_CREATABLE)) {
error_setg(errp, "object type '%s' isn't supported by object-add",
type);
return NULL;
}
if (object_class_is_abstract(klass)) {
error_setg(errp, "object type '%s' is abstract", type);
return NULL;
}
assert(qdict);
obj = object_new(type);
visit_start_struct(v, NULL, NULL, 0, &local_err);
if (local_err) {
goto out;
}
for (e = qdict_first(qdict); e; e = qdict_next(qdict, e)) {
object_property_set(obj, v, e->key, &local_err);
if (local_err) {
break;
}
}
if (!local_err) {
visit_check_struct(v, &local_err);
}
visit_end_struct(v, NULL);
if (local_err) {
goto out;
}
if (id != NULL) {
object_property_add_child(object_get_objects_root(),
id, obj, &local_err);
if (local_err) {
goto out;
}
}
user_creatable_complete(USER_CREATABLE(obj), &local_err);
if (local_err) {
if (id != NULL) {
object_property_del(object_get_objects_root(),
id, &error_abort);
}
goto out;
}
out:
if (local_err) {
error_propagate(errp, local_err);
object_unref(obj);
return NULL;
}
return obj;
}
static void dummy_bus_unparent(Object *obj)
{
DummyBus *bus = DUMMY_BUS(obj);
object_property_del(obj->parent, "backend", NULL);
object_unparent(OBJECT(bus->backend));
}
static void detach(sPAPRDRConnector *drc, DeviceState *d,
spapr_drc_detach_cb *detach_cb,
void *detach_cb_opaque, Error **errp)
{
trace_spapr_drc_detach(get_index(drc));
drc->detach_cb = detach_cb;
drc->detach_cb_opaque = detach_cb_opaque;
/* if we've signalled device presence to the guest, or if the guest
* has gone ahead and configured the device (via manually-executed
* device add via drmgr in guest, namely), we need to wait
* for the guest to quiesce the device before completing detach.
* Otherwise, we can assume the guest hasn't seen it and complete the
* detach immediately. Note that there is a small race window
* just before, or during, configuration, which is this context
* refers mainly to fetching the device tree via RTAS.
* During this window the device access will be arbitrated by
* associated DRC, which will simply fail the RTAS calls as invalid.
* This is recoverable within guest and current implementations of
* drmgr should be able to cope.
*/
if (!drc->signalled && !drc->configured) {
/* if the guest hasn't seen the device we can't rely on it to
* set it back to an isolated state via RTAS, so do it here manually
*/
drc->isolation_state = SPAPR_DR_ISOLATION_STATE_ISOLATED;
}
if (drc->isolation_state != SPAPR_DR_ISOLATION_STATE_ISOLATED) {
trace_spapr_drc_awaiting_isolated(get_index(drc));
drc->awaiting_release = true;
return;
}
if (drc->type != SPAPR_DR_CONNECTOR_TYPE_PCI &&
drc->allocation_state != SPAPR_DR_ALLOCATION_STATE_UNUSABLE) {
trace_spapr_drc_awaiting_unusable(get_index(drc));
drc->awaiting_release = true;
return;
}
if (drc->awaiting_allocation) {
drc->awaiting_release = true;
trace_spapr_drc_awaiting_allocation(get_index(drc));
return;
}
drc->indicator_state = SPAPR_DR_INDICATOR_STATE_INACTIVE;
if (drc->detach_cb) {
drc->detach_cb(drc->dev, drc->detach_cb_opaque);
}
drc->awaiting_release = false;
g_free(drc->fdt);
drc->fdt = NULL;
drc->fdt_start_offset = 0;
object_property_del(OBJECT(drc), "device", NULL);
drc->dev = NULL;
drc->detach_cb = NULL;
drc->detach_cb_opaque = NULL;
}
