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>
}
memory_region_init_ram_ptr(submem, OBJECT(vdev), name, size, *map);
+ memory_region_set_skip_dump(submem);
} else {
empty_region:
/* Create a zero sized sub-region to make cleanup easy. */
bool terminates;
bool romd_mode;
bool ram;
+ bool skip_dump;
bool readonly; /* For RAM regions */
bool enabled;
bool rom_device;
*/
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
*
mr->ram_addr = qemu_ram_alloc_from_ptr(size, ptr, mr, &error_abort);
}
+void memory_region_set_skip_dump(MemoryRegion *mr)
+{
+ mr->skip_dump = true;
+}
+
void memory_region_init_alias(MemoryRegion *mr,
Object *owner,
const char *name,
return mr->ram;
}
+bool memory_region_is_skip_dump(MemoryRegion *mr)
+{
+ return mr->skip_dump;
+}
+
bool memory_region_is_logging(MemoryRegion *mr)
{
return mr->dirty_log_mask;
GuestPhysBlock *predecessor;
/* we only care about RAM */
- if (!memory_region_is_ram(section->mr)) {
+ if (!memory_region_is_ram(section->mr) ||
+ memory_region_is_skip_dump(section->mr)) {
return;
}