xive: Link "xive" property to XiveSource::xive pointer
The source object has both a pointer and a "xive" property pointing to the notifier object. Confusing bugs could arise if these ever go out of sync. Change the property definition so that it explicitely sets the pointer. The property isn't optional : not being able to set the link is a bug and QEMU should rather abort than exit in this case. Signed-off-by: Greg Kurz <groug@kaod.org> Message-Id: <157383333227.165747.12901571295951957951.stgit@bahia.lan> Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
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@ -1695,8 +1695,8 @@ static void pnv_xive_realize(DeviceState *dev, Error **errp)
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*/
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object_property_set_int(OBJECT(xsrc), PNV_XIVE_NR_IRQS, "nr-irqs",
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&error_fatal);
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object_property_add_const_link(OBJECT(xsrc), "xive", OBJECT(xive),
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&error_fatal);
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object_property_set_link(OBJECT(xsrc), OBJECT(xive), "xive",
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&error_abort);
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object_property_set_bool(OBJECT(xsrc), true, "realized", &local_err);
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if (local_err) {
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error_propagate(errp, local_err);
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@ -276,8 +276,8 @@ static void spapr_xive_realize(DeviceState *dev, Error **errp)
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*/
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object_property_set_int(OBJECT(xsrc), xive->nr_irqs, "nr-irqs",
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&error_fatal);
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object_property_add_const_link(OBJECT(xsrc), "xive", OBJECT(xive),
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&error_fatal);
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object_property_set_link(OBJECT(xsrc), OBJECT(xive), "xive",
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&error_abort);
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object_property_set_bool(OBJECT(xsrc), true, "realized", &local_err);
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if (local_err) {
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error_propagate(errp, local_err);
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@ -1060,17 +1060,8 @@ static void xive_source_reset(void *dev)
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static void xive_source_realize(DeviceState *dev, Error **errp)
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{
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XiveSource *xsrc = XIVE_SOURCE(dev);
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Object *obj;
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Error *local_err = NULL;
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obj = object_property_get_link(OBJECT(dev), "xive", &local_err);
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if (!obj) {
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error_propagate(errp, local_err);
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error_prepend(errp, "required link 'xive' not found: ");
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return;
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}
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xsrc->xive = XIVE_NOTIFIER(obj);
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assert(xsrc->xive);
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if (!xsrc->nr_irqs) {
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error_setg(errp, "Number of interrupt needs to be greater than 0");
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@ -1116,6 +1107,8 @@ static Property xive_source_properties[] = {
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DEFINE_PROP_UINT64("flags", XiveSource, esb_flags, 0),
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DEFINE_PROP_UINT32("nr-irqs", XiveSource, nr_irqs, 0),
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DEFINE_PROP_UINT32("shift", XiveSource, esb_shift, XIVE_ESB_64K_2PAGE),
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DEFINE_PROP_LINK("xive", XiveSource, xive, TYPE_XIVE_NOTIFIER,
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XiveNotifier *),
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DEFINE_PROP_END_OF_LIST(),
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};
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@ -851,8 +851,7 @@ static void pnv_psi_power9_realize(DeviceState *dev, Error **errp)
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&error_fatal);
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object_property_set_int(OBJECT(xsrc), PSIHB9_NUM_IRQS, "nr-irqs",
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&error_fatal);
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object_property_add_const_link(OBJECT(xsrc), "xive", OBJECT(psi),
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&error_fatal);
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object_property_set_link(OBJECT(xsrc), OBJECT(psi), "xive", &error_abort);
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object_property_set_bool(OBJECT(xsrc), true, "realized", &local_err);
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if (local_err) {
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error_propagate(errp, local_err);
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