memory: implement dirty tracking

Currently dirty tracking is implemented by passing through
all calls to the underlying cpu_physical_memory_*() calls.

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>

1 files changed, 1 insertions, 0 deletions

diff --git a/memory.h b/memory.h
index a4c94bd..d441bd8 100644
--- a/memory.h
+++ b/memory.h
@@ -99,6 +99,7 @@ struct MemoryRegion {
     QTAILQ_ENTRY(MemoryRegion) subregions_link;
     QTAILQ_HEAD(coalesced_ranges, CoalescedMemoryRange) coalesced;
     const char *name;
+    uint8_t dirty_log_mask;
 };
 
 /**