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[PULL 15/26] pnv/xive: Use device_class_set_parent_realize()


From: David Gibson
Subject: [PULL 15/26] pnv/xive: Use device_class_set_parent_realize()
Date: Wed, 8 Jan 2020 16:23:01 +1100

From: Greg Kurz <address@hidden>

The XIVE router base class currently inherits an empty realize hook
from the sysbus device base class, but it will soon implement one
of its own to perform some sanity checks. Do the preliminary plumbing
to have it called.

Signed-off-by: Greg Kurz <address@hidden>
Signed-off-by: C├ędric Le Goater <address@hidden>
Reviewed-by: David Gibson <address@hidden>
Message-Id: <address@hidden>
Signed-off-by: David Gibson <address@hidden>
---
 hw/intc/pnv_xive.c        | 10 ++++++++++
 include/hw/ppc/pnv_xive.h | 10 ++++++++++
 2 files changed, 20 insertions(+)

diff --git a/hw/intc/pnv_xive.c b/hw/intc/pnv_xive.c
index a0a69b98a7..6412cf222e 100644
--- a/hw/intc/pnv_xive.c
+++ b/hw/intc/pnv_xive.c
@@ -1816,10 +1816,17 @@ static void pnv_xive_init(Object *obj)
 static void pnv_xive_realize(DeviceState *dev, Error **errp)
 {
     PnvXive *xive = PNV_XIVE(dev);
+    PnvXiveClass *pxc = PNV_XIVE_GET_CLASS(dev);
     XiveSource *xsrc = &xive->ipi_source;
     XiveENDSource *end_xsrc = &xive->end_source;
     Error *local_err = NULL;
 
+    pxc->parent_realize(dev, &local_err);
+    if (local_err) {
+        error_propagate(errp, local_err);
+        return;
+    }
+
     assert(xive->chip);
 
     /*
@@ -1947,10 +1954,12 @@ static void pnv_xive_class_init(ObjectClass *klass, 
void *data)
     XiveRouterClass *xrc = XIVE_ROUTER_CLASS(klass);
     XiveNotifierClass *xnc = XIVE_NOTIFIER_CLASS(klass);
     XivePresenterClass *xpc = XIVE_PRESENTER_CLASS(klass);
+    PnvXiveClass *pxc = PNV_XIVE_CLASS(klass);
 
     xdc->dt_xscom = pnv_xive_dt_xscom;
 
     dc->desc = "PowerNV XIVE Interrupt Controller";
+    device_class_set_parent_realize(dc, pnv_xive_realize, 
&pxc->parent_realize);
     dc->realize = pnv_xive_realize;
     dc->props = pnv_xive_properties;
 
@@ -1971,6 +1980,7 @@ static const TypeInfo pnv_xive_info = {
     .instance_init = pnv_xive_init,
     .instance_size = sizeof(PnvXive),
     .class_init    = pnv_xive_class_init,
+    .class_size    = sizeof(PnvXiveClass),
     .interfaces    = (InterfaceInfo[]) {
         { TYPE_PNV_XSCOM_INTERFACE },
         { }
diff --git a/include/hw/ppc/pnv_xive.h b/include/hw/ppc/pnv_xive.h
index f4c7caad40..76cf16f644 100644
--- a/include/hw/ppc/pnv_xive.h
+++ b/include/hw/ppc/pnv_xive.h
@@ -16,6 +16,10 @@ struct PnvChip;
 
 #define TYPE_PNV_XIVE "pnv-xive"
 #define PNV_XIVE(obj) OBJECT_CHECK(PnvXive, (obj), TYPE_PNV_XIVE)
+#define PNV_XIVE_CLASS(klass)                                   \
+    OBJECT_CLASS_CHECK(PnvXiveClass, (klass), TYPE_PNV_XIVE)
+#define PNV_XIVE_GET_CLASS(obj)                                 \
+    OBJECT_GET_CLASS(PnvXiveClass, (obj), TYPE_PNV_XIVE)
 
 #define XIVE_BLOCK_MAX      16
 
@@ -85,6 +89,12 @@ typedef struct PnvXive {
     uint64_t      edt[XIVE_TABLE_EDT_MAX];
 } PnvXive;
 
+typedef struct PnvXiveClass {
+    XiveRouterClass parent_class;
+
+    DeviceRealize parent_realize;
+} PnvXiveClass;
+
 void pnv_xive_pic_print_info(PnvXive *xive, Monitor *mon);
 
 #endif /* PPC_PNV_XIVE_H */
-- 
2.24.1




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