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memory: add memory_region_is_mapped() API

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which allows to check if MemoryRegion is already mapped.

Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Igor Mammedov 2014-06-02 15:25:06 +02:00 • committed by Michael S. Tsirkin
parent 10b7e74bf2
commit eed2bacfd2
2 changed files with 17 additions and 1 deletions
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8
include/exec/memory.h
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@ -847,6 +847,14 @@ void memory_region_set_alias_offset(MemoryRegion *mr,
*/
bool memory_region_present(MemoryRegion *container, hwaddr addr);
/**
* memory_region_is_mapped: returns true if #MemoryRegion is mapped
* into any address space.
*
* @mr: a #MemoryRegion which should be checked if it's mapped
*/
bool memory_region_is_mapped(MemoryRegion *mr);
/**
* memory_region_find: translate an address/size relative to a
* MemoryRegion into a #MemoryRegionSection.