isa: Add isa_address_space_io()
This function permits to retrieve ISA IO address space.
It will be usefull when we need to pass IO address space as argument.
Signed-off-by: Julien Grall <julien.grall@citrix.com>
Acked-by: Avi Kivity <avi@redhat.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>
diff --git a/hw/isa.h b/hw/isa.h
index f9382e8..9d719fa 100644
--- a/hw/isa.h
+++ b/hw/isa.h
@@ -43,6 +43,7 @@
qemu_irq isa_get_irq(ISADevice *dev, int isairq);
void isa_init_irq(ISADevice *dev, qemu_irq *p, int isairq);
MemoryRegion *isa_address_space(ISADevice *dev);
+MemoryRegion *isa_address_space_io(ISADevice *dev);
ISADevice *isa_create(ISABus *bus, const char *name);
ISADevice *isa_try_create(ISABus *bus, const char *name);
ISADevice *isa_create_simple(ISABus *bus, const char *name);
