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Merge remote-tracking branch 'qemu-kvm/memory/mutators' into staging

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Conflicts:
	memory.h
This commit is contained in:
Anthony Liguori 2011-12-19 09:12:25 -06:00
commit cde7fc31de
5 changed files with 143 additions and 57 deletions
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39
memory.h
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@ -123,6 +123,7 @@ struct MemoryRegion {
bool terminates;
bool readable;
bool readonly; /* For RAM regions */
bool enabled;
MemoryRegion *alias;
target_phys_addr_t alias_offset;
unsigned priority;
@ -501,6 +502,44 @@ void memory_region_add_subregion_overlap(MemoryRegion *mr,
void memory_region_del_subregion(MemoryRegion *mr,
MemoryRegion *subregion);
/*
* memory_region_set_enabled: dynamically enable or disable a region
*
* Enables or disables a memory region. A disabled memory region
* ignores all accesses to itself and its subregions. It does not
* obscure sibling subregions with lower priority - it simply behaves as
* if it was removed from the hierarchy.
*
* Regions default to being enabled.
*
* @mr: the region to be updated
* @enabled: whether to enable or disable the region
*/
void memory_region_set_enabled(MemoryRegion *mr, bool enabled);
/*
* memory_region_set_address: dynamically update the address of a region
*
* Dynamically updates the address of a region, relative to its parent.
* May be used on regions are currently part of a memory hierarchy.
*
* @mr: the region to be updated
* @addr: new address, relative to parent region
*/
void memory_region_set_address(MemoryRegion *mr, target_phys_addr_t addr);
/*
* memory_region_set_alias_offset: dynamically update a memory alias's offset
*
* Dynamically updates the offset into the target region that an alias points
* to, as if the fourth argument to memory_region_init_alias() has changed.
*
* @mr: the #MemoryRegion to be updated; should be an alias.
* @offset: the new offset into the target memory region
*/
void memory_region_set_alias_offset(MemoryRegion *mr,
target_phys_addr_t offset);
/**
* memory_region_transaction_begin: Start a transaction.
*