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memory: change dirty getting API to take a size

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Instead of each device knowing or guessing the guest page size,
just pass the desired size of dirtied memory area.

Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
This commit is contained in:
Blue Swirl 2012-01-22 16:38:21 +00:00
parent cb437e48ab
commit cd7a45c95e
9 changed files with 45 additions and 48 deletions
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9
memory.h
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@ -380,20 +380,21 @@ void memory_region_set_offset(MemoryRegion *mr, target_phys_addr_t offset);
void memory_region_set_log(MemoryRegion *mr, bool log, unsigned client);
/**
* memory_region_get_dirty: Check whether a page is dirty for a specified
* client.
* memory_region_get_dirty: Check whether a range of bytes is dirty
* for a specified client.
*
* Checks whether a page has been written to since the last
* Checks whether a range of bytes has been written to since the last
* call to memory_region_reset_dirty() with the same @client. Dirty logging
* must be enabled.
*
* @mr: the memory region being queried.
* @addr: the address (relative to the start of the region) being queried.
* @size: the size of the range being queried.
* @client: the user of the logging information; %DIRTY_MEMORY_MIGRATION or
* %DIRTY_MEMORY_VGA.
*/
bool memory_region_get_dirty(MemoryRegion *mr, target_phys_addr_t addr,
unsigned client);
target_phys_addr_t size, unsigned client);
/**
* memory_region_set_dirty: Mark a range of bytes as dirty in a memory region.