memory_hotplug.h (1946B)
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 "hw/acpi/aml-build.h" 7 8#define MEMORY_SLOT_SCAN_METHOD "MSCN" 9#define MEMORY_DEVICES_CONTAINER "\\_SB.MHPC" 10#define MEMORY_HOTPLUG_IO_LEN 24 11 12/** 13 * MemStatus: 14 * @is_removing: the memory device in slot has been requested to be ejected. 15 * 16 * This structure stores memory device's status. 17 */ 18typedef struct MemStatus { 19 DeviceState *dimm; 20 bool is_enabled; 21 bool is_inserting; 22 bool is_removing; 23 uint32_t ost_event; 24 uint32_t ost_status; 25} MemStatus; 26 27typedef struct MemHotplugState { 28 bool is_enabled; /* true if memory hotplug is supported */ 29 MemoryRegion io; 30 uint32_t selector; 31 uint32_t dev_count; 32 MemStatus *devs; 33} MemHotplugState; 34 35void acpi_memory_hotplug_init(MemoryRegion *as, Object *owner, 36 MemHotplugState *state, hwaddr io_base); 37 38void acpi_memory_plug_cb(HotplugHandler *hotplug_dev, MemHotplugState *mem_st, 39 DeviceState *dev, Error **errp); 40void acpi_memory_unplug_request_cb(HotplugHandler *hotplug_dev, 41 MemHotplugState *mem_st, 42 DeviceState *dev, Error **errp); 43void acpi_memory_unplug_cb(MemHotplugState *mem_st, 44 DeviceState *dev, Error **errp); 45 46extern const VMStateDescription vmstate_memory_hotplug; 47#define VMSTATE_MEMORY_HOTPLUG(memhp, state) \ 48 VMSTATE_STRUCT(memhp, state, 1, \ 49 vmstate_memory_hotplug, MemHotplugState) 50 51void acpi_memory_ospm_status(MemHotplugState *mem_st, ACPIOSTInfoList ***list); 52 53void build_memory_hotplug_aml(Aml *table, uint32_t nr_mem, 54 const char *res_root, 55 const char *event_handler_method, 56 AmlRegionSpace rs, hwaddr memhp_io_base); 57#endif