memory: add memory_region_ram_resize
This is a simple MemoryRegion wrapper for qemu_ram_resize. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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@ -605,6 +605,18 @@ int memory_region_get_fd(MemoryRegion *mr);
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*/
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*/
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void *memory_region_get_ram_ptr(MemoryRegion *mr);
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void *memory_region_get_ram_ptr(MemoryRegion *mr);
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/* memory_region_ram_resize: Resize a RAM region.
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*
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* Only legal before guest might have detected the memory size: e.g. on
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* incoming migration, or right after reset.
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*
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* @mr: a memory region created with @memory_region_init_resizeable_ram.
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* @newsize: the new size the region
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* @errp: pointer to Error*, to store an error if it happens.
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*/
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void memory_region_ram_resize(MemoryRegion *mr, ram_addr_t newsize,
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Error **errp);
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/**
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/**
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* memory_region_set_log: Turn dirty logging on or off for a region.
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* memory_region_set_log: Turn dirty logging on or off for a region.
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*
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*
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7
memory.c
7
memory.c
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@ -1452,6 +1452,13 @@ void *memory_region_get_ram_ptr(MemoryRegion *mr)
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return qemu_get_ram_ptr(mr->ram_addr & TARGET_PAGE_MASK);
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return qemu_get_ram_ptr(mr->ram_addr & TARGET_PAGE_MASK);
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}
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}
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void memory_region_ram_resize(MemoryRegion *mr, ram_addr_t newsize, Error **errp)
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{
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assert(mr->terminates);
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qemu_ram_resize(mr->ram_addr, newsize, errp);
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}
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static void memory_region_update_coalesced_range_as(MemoryRegion *mr, AddressSpace *as)
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static void memory_region_update_coalesced_range_as(MemoryRegion *mr, AddressSpace *as)
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{
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{
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FlatView *view;
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FlatView *view;
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