block/export: Add query-block-exports
[qemu.git] / include / hw / acpi / memory_hotplug.h
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 */
18 typedef 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
27 typedef 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
35 void acpi_memory_hotplug_init(MemoryRegion *as, Object *owner,
36 MemHotplugState *state, hwaddr io_base);
37
38 void acpi_memory_plug_cb(HotplugHandler *hotplug_dev, MemHotplugState *mem_st,
39 DeviceState *dev, Error **errp);
40 void acpi_memory_unplug_request_cb(HotplugHandler *hotplug_dev,
41 MemHotplugState *mem_st,
42 DeviceState *dev, Error **errp);
43 void acpi_memory_unplug_cb(MemHotplugState *mem_st,
44 DeviceState *dev, Error **errp);
45
46 extern const VMStateDescription vmstate_memory_hotplug;
47 #define VMSTATE_MEMORY_HOTPLUG(memhp, state) \
48 VMSTATE_STRUCT(memhp, state, 1, \
49 vmstate_memory_hotplug, MemHotplugState)
50
51 void acpi_memory_ospm_status(MemHotplugState *mem_st, ACPIOSTInfoList ***list);
52
53 void 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