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 #include "hw/acpi/aml-build.h" 8 9 /** 10 * MemStatus: 11 * @is_removing: the memory device in slot has been requested to be ejected. 12 * 13 * This structure stores memory device's status. 14 */ 15 typedef struct MemStatus { 16 DeviceState *dimm; 17 bool is_enabled; 18 bool is_inserting; 19 bool is_removing; 20 uint32_t ost_event; 21 uint32_t ost_status; 22 } MemStatus; 23 24 typedef struct MemHotplugState { 25 bool is_enabled; /* true if memory hotplug is supported */ 26 MemoryRegion io; 27 uint32_t selector; 28 uint32_t dev_count; 29 MemStatus *devs; 30 } MemHotplugState; 31 32 void acpi_memory_hotplug_init(MemoryRegion *as, Object *owner, 33 MemHotplugState *state, uint16_t io_base); 34 35 void acpi_memory_plug_cb(HotplugHandler *hotplug_dev, MemHotplugState *mem_st, 36 DeviceState *dev, Error **errp); 37 void acpi_memory_unplug_request_cb(HotplugHandler *hotplug_dev, 38 MemHotplugState *mem_st, 39 DeviceState *dev, Error **errp); 40 void acpi_memory_unplug_cb(MemHotplugState *mem_st, 41 DeviceState *dev, Error **errp); 42 43 extern const VMStateDescription vmstate_memory_hotplug; 44 #define VMSTATE_MEMORY_HOTPLUG(memhp, state) \ 45 VMSTATE_STRUCT(memhp, state, 1, \ 46 vmstate_memory_hotplug, MemHotplugState) 47 48 void acpi_memory_ospm_status(MemHotplugState *mem_st, ACPIOSTInfoList ***list); 49 50 void build_memory_hotplug_aml(Aml *table, uint32_t nr_mem, 51 const char *res_root, 52 const char *event_handler_method); 53 #endif 54