Signed-off-by: Paolo Bonzini <pbonz...@redhat.com>
---
hw/isa/isa-bus.c | 2 ++
include/exec/ioport.h | 3 +++
ioport.c | 10 ++++++++++
3 files changed, 15 insertions(+), 0 deletions(-)
diff --git a/hw/isa/isa-bus.c b/hw/isa/isa-bus.c
index 7860b17..d263d0f 100644
--- a/hw/isa/isa-bus.c
+++ b/hw/isa/isa-bus.c
@@ -100,6 +100,7 @@ static inline void isa_init_ioport(ISADevice *dev, uint16_t
ioport)
void isa_register_ioport(ISADevice *dev, MemoryRegion *io, uint16_t start)
{
+ memory_region_set_owner(io, OBJECT(dev));
memory_region_add_subregion(isabus->address_space_io, start, io);
isa_init_ioport(dev, start);
}
@@ -116,6 +117,7 @@ void isa_register_portio_list(ISADevice *dev, uint16_t
start,
isa_init_ioport(dev, start);
portio_list_init(piolist, pio_start, opaque, name);
+ portio_list_set_owner(piolist, OBJECT(dev));
portio_list_add(piolist, isabus->address_space_io, start);
}
diff --git a/include/exec/ioport.h b/include/exec/ioport.h
index fc28350..5fe0d99 100644
--- a/include/exec/ioport.h
+++ b/include/exec/ioport.h
@@ -62,6 +62,7 @@ typedef struct PortioList {
unsigned nr;
struct MemoryRegion **regions;
struct MemoryRegion **aliases;
+ struct Object *owner;
void *opaque;
const char *name;
} PortioList;
@@ -69,6 +70,8 @@ typedef struct PortioList {
void portio_list_init(PortioList *piolist,
const struct MemoryRegionPortio *callbacks,
void *opaque, const char *name);
+void portio_list_set_owner(PortioList *piolist,
+ struct Object *owner);
void portio_list_destroy(PortioList *piolist);
void portio_list_add(PortioList *piolist,
struct MemoryRegion *address_space,
diff --git a/ioport.c b/ioport.c
index a0ac2a0..1cccd70 100644
--- a/ioport.c
+++ b/ioport.c
@@ -347,6 +347,12 @@ void portio_list_init(PortioList *piolist,
piolist->address_space = NULL;
piolist->opaque = opaque;
piolist->name = name;
+ piolist->owner = NULL;
+}
+
+void portio_list_set_owner(PortioList *piolist, Object *owner)
+{
+ piolist->owner = owner;
}
void portio_list_destroy(PortioList *piolist)
@@ -386,8 +392,12 @@ static void portio_list_add_1(PortioList *piolist,
*/
memory_region_init_io(region, ops, piolist->opaque, piolist->name,
INT64_MAX);
+ memory_region_set_owner(region, piolist->owner);
+
memory_region_init_alias(alias, piolist->name,
region, start + off_low, off_high - off_low);
+ memory_region_set_owner(alias, piolist->owner);
+
memory_region_add_subregion(piolist->address_space,
start + off_low, alias);
piolist->regions[piolist->nr] = region;
--
1.7.1
