Add skip_dump flag to ignore memory region during dump
The PCI MMIO might be disabled or the device in the reset state.
Make sure we do not dump these memory regions.
Signed-off-by: Nikunj A Dadhania <nikunj@linux.vnet.ibm.com>
Acked-by: Alex Williamson <alex.williamson@redhat.com>
CC: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
diff --git a/include/exec/memory.h b/include/exec/memory.h
index 072aad2..74a58b4 100644
--- a/include/exec/memory.h
+++ b/include/exec/memory.h
@@ -150,6 +150,7 @@
bool terminates;
bool romd_mode;
bool ram;
+ bool skip_dump;
bool readonly; /* For RAM regions */
bool enabled;
bool rom_device;
@@ -457,6 +458,24 @@
bool memory_region_is_ram(MemoryRegion *mr);
/**
+ * memory_region_is_skip_dump: check whether a memory region should not be
+ * dumped
+ *
+ * Returns %true is a memory region should not be dumped(e.g. VFIO BAR MMAP).
+ *
+ * @mr: the memory region being queried
+ */
+bool memory_region_is_skip_dump(MemoryRegion *mr);
+
+/**
+ * memory_region_set_skip_dump: Set skip_dump flag, dump will ignore this memory
+ * region
+ *
+ * @mr: the memory region being queried
+ */
+void memory_region_set_skip_dump(MemoryRegion *mr);
+
+/**
* memory_region_is_romd: check whether a memory region is in ROMD mode
*
* Returns %true if a memory region is a ROM device and currently set to allow
