xref: /qemu/include/hw/acpi/memory_hotplug.h (revision f816a62daa05ae3b973c76834be7f319b2d02f03)
13ef77acaSIgor Mammedov #ifndef QEMU_HW_ACPI_MEMORY_HOTPLUG_H
23ef77acaSIgor Mammedov #define QEMU_HW_ACPI_MEMORY_HOTPLUG_H
33ef77acaSIgor Mammedov 
43ef77acaSIgor Mammedov #include "hw/qdev-core.h"
53ef77acaSIgor Mammedov #include "hw/acpi/acpi.h"
6*f816a62dSIgor Mammedov #include "migration/vmstate.h"
73ef77acaSIgor Mammedov 
83ef77acaSIgor Mammedov #define ACPI_MEMORY_HOTPLUG_STATUS 8
93ef77acaSIgor Mammedov 
103ef77acaSIgor Mammedov typedef struct MemStatus {
113ef77acaSIgor Mammedov     DeviceState *dimm;
123ef77acaSIgor Mammedov     bool is_enabled;
133ef77acaSIgor Mammedov     bool is_inserting;
143ef77acaSIgor Mammedov     uint32_t ost_event;
153ef77acaSIgor Mammedov     uint32_t ost_status;
163ef77acaSIgor Mammedov } MemStatus;
173ef77acaSIgor Mammedov 
183ef77acaSIgor Mammedov typedef struct MemHotplugState {
1934774320SIgor Mammedov     bool is_enabled; /* true if memory hotplug is supported */
203ef77acaSIgor Mammedov     MemoryRegion io;
213ef77acaSIgor Mammedov     uint32_t selector;
223ef77acaSIgor Mammedov     uint32_t dev_count;
233ef77acaSIgor Mammedov     MemStatus *devs;
243ef77acaSIgor Mammedov } MemHotplugState;
253ef77acaSIgor Mammedov 
263ef77acaSIgor Mammedov void acpi_memory_hotplug_init(MemoryRegion *as, Object *owner,
273ef77acaSIgor Mammedov                               MemHotplugState *state);
283ef77acaSIgor Mammedov 
293ef77acaSIgor Mammedov void acpi_memory_plug_cb(ACPIREGS *ar, qemu_irq irq, MemHotplugState *mem_st,
303ef77acaSIgor Mammedov                          DeviceState *dev, Error **errp);
31*f816a62dSIgor Mammedov 
32*f816a62dSIgor Mammedov extern const VMStateDescription vmstate_memory_hotplug;
33*f816a62dSIgor Mammedov #define VMSTATE_MEMORY_HOTPLUG(memhp, state) \
34*f816a62dSIgor Mammedov     VMSTATE_STRUCT(memhp, state, 1, \
35*f816a62dSIgor Mammedov                    vmstate_memory_hotplug, MemHotplugState)
36*f816a62dSIgor Mammedov 
373ef77acaSIgor Mammedov #endif
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