Introduce PortioList
Add a type and methods for manipulating a list of disjoint I/O ports,
used in some older hardware devices.
Based on original patch by Richard Henderson.
Signed-off-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Avi Kivity <avi@redhat.com>
diff --git a/ioport.h b/ioport.h
index 82ffd9d..ae3e9da 100644
--- a/ioport.h
+++ b/ioport.h
@@ -52,4 +52,25 @@
uint16_t cpu_inw(pio_addr_t addr);
uint32_t cpu_inl(pio_addr_t addr);
+struct MemoryRegion;
+struct MemoryRegionPortio;
+
+typedef struct PortioList {
+ const struct MemoryRegionPortio *ports;
+ struct MemoryRegion *address_space;
+ unsigned nr;
+ struct MemoryRegion **regions;
+ void *opaque;
+ const char *name;
+} PortioList;
+
+void portio_list_init(PortioList *piolist,
+ const struct MemoryRegionPortio *callbacks,
+ void *opaque, const char *name);
+void portio_list_destroy(PortioList *piolist);
+void portio_list_add(PortioList *piolist,
+ struct MemoryRegion *address_space,
+ uint32_t addr);
+void portio_list_del(PortioList *piolist);
+
#endif /* IOPORT_H */