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memhp: extend address auto assignment to support gaps

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setting gap to TRUE will make sparse DIMM
address auto allocation, leaving gaps between
a new DIMM address and preceeding existing DIMM.

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 2015-09-29 16:53:28 +02:00 • committed by Michael S. Tsirkin
parent 8a9b6b37da
commit df0acded19
4 changed files with 16 additions and 11 deletions
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7
include/hw/mem/pc-dimm.h
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@ -83,15 +83,16 @@ typedef struct MemoryHotplugState {
uint64_t pc_dimm_get_free_addr(uint64_t address_space_start,
uint64_t address_space_size,
uint64_t *hint, uint64_t align, uint64_t size,
Error **errp);
uint64_t *hint, uint64_t align, bool gap,
uint64_t size, Error **errp);
int pc_dimm_get_free_slot(const int *hint, int max_slots, Error **errp);
int qmp_pc_dimm_device_list(Object *obj, void *opaque);
uint64_t pc_existing_dimms_capacity(Error **errp);
void pc_dimm_memory_plug(DeviceState *dev, MemoryHotplugState *hpms,
MemoryRegion *mr, uint64_t align, Error **errp);
MemoryRegion *mr, uint64_t align, bool gap,
Error **errp);
void pc_dimm_memory_unplug(DeviceState *dev, MemoryHotplugState *hpms,
MemoryRegion *mr);
#endif