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
14
15
16
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;
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
58