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[PATCH v3 18/28] isa-bus.c: introduce isa_realize() function
- To: pbonzini@xxxxxxxxxx, richard.henderson@xxxxxxxxxx, mst@xxxxxxxxxx, sstabellini@xxxxxxxxxx, anthony@xxxxxxxxxxxxxx, edgar.iglesias@xxxxxxxxx, qemu-devel@xxxxxxxxxx, xen-devel@xxxxxxxxxxxxxxxxxxxx
- From: Mark Cave-Ayland <mark.caveayland@xxxxxxxxxxx>
- Date: Mon, 19 Oct 2026 13:04:50 +0100
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- Delivery-date: Mon, 19 Oct 2026 12:06:28 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
This is required for implementing a container device containing one or more ISA
devices to ensure that the refcount is handled correctly.
Signed-off-by: Mark Cave-Ayland <mark.caveayland@xxxxxxxxxxx>
---
include/hw/isa/isa.h | 1 +
hw/isa/isa-bus.c | 5 +++++
2 files changed, 6 insertions(+)
diff --git a/include/hw/isa/isa.h b/include/hw/isa/isa.h
index 94bff33fcc..a3d54110fd 100644
--- a/include/hw/isa/isa.h
+++ b/include/hw/isa/isa.h
@@ -82,6 +82,7 @@ IsaDma *isa_bus_get_dma(ISABus *bus, int nchan);
qemu_irq isa_bus_get_irq(ISABus *bus, unsigned irqnum);
ISADevice *isa_new(const char *name);
ISADevice *isa_try_new(const char *name);
+bool isa_realize(ISADevice *dev, ISABus *bus, Error **errp);
bool isa_realize_and_unref(ISADevice *dev, ISABus *bus, Error **errp);
ISADevice *isa_create_simple(ISABus *bus, const char *name);
diff --git a/hw/isa/isa-bus.c b/hw/isa/isa-bus.c
index 7e6d2ce5a9..102f4a0e0d 100644
--- a/hw/isa/isa-bus.c
+++ b/hw/isa/isa-bus.c
@@ -172,6 +172,11 @@ ISADevice *isa_create_simple(ISABus *bus, const char *name)
return dev;
}
+bool isa_realize(ISADevice *dev, ISABus *bus, Error **errp)
+{
+ return qdev_realize(&dev->parent_obj, &bus->parent_obj, errp);
+}
+
bool isa_realize_and_unref(ISADevice *dev, ISABus *bus, Error **errp)
{
return qdev_realize_and_unref(&dev->parent_obj, &bus->parent_obj, errp);
--
2.43.0
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