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-rw-r--r--hw/intc/xive.c25
-rw-r--r--include/hw/ppc/xive.h23
2 files changed, 48 insertions, 0 deletions
diff --git a/hw/intc/xive.c b/hw/intc/xive.c
index 4998f12..8d5434d 100644
--- a/hw/intc/xive.c
+++ b/hw/intc/xive.c
@@ -156,7 +156,11 @@ static bool xive_source_esb_eoi(XiveSource *xsrc, uint32_t srcno)
*/
static void xive_source_notify(XiveSource *xsrc, int srcno)
{
+ XiveNotifierClass *xnc = XIVE_NOTIFIER_GET_CLASS(xsrc->xive);
+ if (xnc->notify) {
+ xnc->notify(xsrc->xive, srcno);
+ }
}
/*
@@ -363,6 +367,17 @@ static void xive_source_reset(void *dev)
static void xive_source_realize(DeviceState *dev, Error **errp)
{
XiveSource *xsrc = XIVE_SOURCE(dev);
+ Object *obj;
+ Error *local_err = NULL;
+
+ obj = object_property_get_link(OBJECT(dev), "xive", &local_err);
+ if (!obj) {
+ error_propagate(errp, local_err);
+ error_prepend(errp, "required link 'xive' not found: ");
+ return;
+ }
+
+ xsrc->xive = XIVE_NOTIFIER(obj);
if (!xsrc->nr_irqs) {
error_setg(errp, "Number of interrupt needs to be greater than 0");
@@ -429,9 +444,19 @@ static const TypeInfo xive_source_info = {
.class_init = xive_source_class_init,
};
+/*
+ * XIVE Fabric
+ */
+static const TypeInfo xive_fabric_info = {
+ .name = TYPE_XIVE_NOTIFIER,
+ .parent = TYPE_INTERFACE,
+ .class_size = sizeof(XiveNotifierClass),
+};
+
static void xive_register_types(void)
{
type_register_static(&xive_source_info);
+ type_register_static(&xive_fabric_info);
}
type_init(xive_register_types)
diff --git a/include/hw/ppc/xive.h b/include/hw/ppc/xive.h
index 7cebc32..436f1bf 100644
--- a/include/hw/ppc/xive.h
+++ b/include/hw/ppc/xive.h
@@ -143,6 +143,27 @@
#include "hw/qdev-core.h"
/*
+ * XIVE Fabric (Interface between Source and Router)
+ */
+
+typedef struct XiveNotifier {
+ Object parent;
+} XiveNotifier;
+
+#define TYPE_XIVE_NOTIFIER "xive-notifier"
+#define XIVE_NOTIFIER(obj) \
+ OBJECT_CHECK(XiveNotifier, (obj), TYPE_XIVE_NOTIFIER)
+#define XIVE_NOTIFIER_CLASS(klass) \
+ OBJECT_CLASS_CHECK(XiveNotifierClass, (klass), TYPE_XIVE_NOTIFIER)
+#define XIVE_NOTIFIER_GET_CLASS(obj) \
+ OBJECT_GET_CLASS(XiveNotifierClass, (obj), TYPE_XIVE_NOTIFIER)
+
+typedef struct XiveNotifierClass {
+ InterfaceClass parent;
+ void (*notify)(XiveNotifier *xn, uint32_t lisn);
+} XiveNotifierClass;
+
+/*
* XIVE Interrupt Source
*/
@@ -171,6 +192,8 @@ typedef struct XiveSource {
uint64_t esb_flags;
uint32_t esb_shift;
MemoryRegion esb_mmio;
+
+ XiveNotifier *xive;
} XiveSource;
/*