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authorAvi Kivity <avi@redhat.com>2011-07-26 14:26:10 +0300
committerAnthony Liguori <aliguori@us.ibm.com>2011-07-29 08:25:43 -0500
commit74901c3bd06a02b54f23172cb870127b49390bd0 (patch)
tree263b556250ada115c5d4d964c211359e977a2bf8 /memory.h
parent627a0e90dc6b53504d6b9539b8e29210d82ecf9d (diff)
memory: add backward compatibility for old mmio registration
This eases the transition to the new API. Reviewed-by: Anthony Liguori <aliguori@us.ibm.com> Signed-off-by: Avi Kivity <avi@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Diffstat (limited to 'memory.h')
-rw-r--r--memory.h10
1 files changed, 10 insertions, 0 deletions
diff --git a/memory.h b/memory.h
index 40ab95a98c..003c999219 100644
--- a/memory.h
+++ b/memory.h
@@ -28,6 +28,7 @@
typedef struct MemoryRegionOps MemoryRegionOps;
typedef struct MemoryRegion MemoryRegion;
typedef struct MemoryRegionPortio MemoryRegionPortio;
+typedef struct MemoryRegionMmio MemoryRegionMmio;
/* Must match *_DIRTY_FLAGS in cpu-all.h. To be replaced with dynamic
* registration.
@@ -36,6 +37,11 @@ typedef struct MemoryRegionPortio MemoryRegionPortio;
#define DIRTY_MEMORY_CODE 1
#define DIRTY_MEMORY_MIGRATION 3
+struct MemoryRegionMmio {
+ CPUReadMemoryFunc *read[3];
+ CPUWriteMemoryFunc *write[3];
+};
+
/*
* Memory region callbacks
*/
@@ -85,6 +91,10 @@ struct MemoryRegionOps {
* backwards compatibility with old portio registration
*/
const MemoryRegionPortio *old_portio;
+ /* If .read and .write are not present, old_mmio may be used for
+ * backwards compatibility with old mmio registration
+ */
+ const MemoryRegionMmio old_mmio;
};
typedef struct CoalescedMemoryRange CoalescedMemoryRange;