1 #ifndef QEMU_HW_ACPI_MEMORY_HOTPLUG_H 2 #define QEMU_HW_ACPI_MEMORY_HOTPLUG_H 3 4 #include "hw/qdev-core.h" 5 #include "hw/acpi/acpi.h" 6 #include "migration/vmstate.h" 7 8 #define ACPI_MEMORY_HOTPLUG_STATUS 8 9 10 /** 11 * MemStatus: 12 * @is_removing: the memory device in slot has been requested to be ejected. 13 * 14 * This structure stores memory device's status. 15 */ 16 typedef struct MemStatus { 17 DeviceState *dimm; 18 bool is_enabled; 19 bool is_inserting; 20 bool is_removing; 21 uint32_t ost_event; 22 uint32_t ost_status; 23 } MemStatus; 24 25 typedef struct MemHotplugState { 26 bool is_enabled; /* true if memory hotplug is supported */ 27 MemoryRegion io; 28 uint32_t selector; 29 uint32_t dev_count; 30 MemStatus *devs; 31 } MemHotplugState; 32 33 void acpi_memory_hotplug_init(MemoryRegion *as, Object *owner, 34 MemHotplugState *state); 35 36 void acpi_memory_plug_cb(ACPIREGS *ar, qemu_irq irq, MemHotplugState *mem_st, 37 DeviceState *dev, Error **errp); 38 void acpi_memory_unplug_request_cb(ACPIREGS *ar, qemu_irq irq, 39 MemHotplugState *mem_st, 40 DeviceState *dev, Error **errp); 41 void acpi_memory_unplug_cb(MemHotplugState *mem_st, 42 DeviceState *dev, Error **errp); 43 44 extern const VMStateDescription vmstate_memory_hotplug; 45 #define VMSTATE_MEMORY_HOTPLUG(memhp, state) \ 46 VMSTATE_STRUCT(memhp, state, 1, \ 47 vmstate_memory_hotplug, MemHotplugState) 48 49 void acpi_memory_ospm_status(MemHotplugState *mem_st, ACPIOSTInfoList ***list); 50 #endif 51