1 #ifndef ACPI_DEV_INTERFACE_H
2 #define ACPI_DEV_INTERFACE_H
3 
4 #include "qapi/qapi-types-acpi.h"
5 #include "qom/object.h"
6 #include "hw/boards.h"
7 #include "hw/qdev-core.h"
8 
9 /* These values are part of guest ABI, and can not be changed */
10 typedef enum {
11     ACPI_PCI_HOTPLUG_STATUS = 2,
12     ACPI_CPU_HOTPLUG_STATUS = 4,
13     ACPI_MEMORY_HOTPLUG_STATUS = 8,
14     ACPI_NVDIMM_HOTPLUG_STATUS = 16,
15     ACPI_VMGENID_CHANGE_STATUS = 32,
16     ACPI_POWER_DOWN_STATUS = 64,
17 } AcpiEventStatusBits;
18 
19 #define TYPE_ACPI_DEVICE_IF "acpi-device-interface"
20 
21 typedef struct AcpiDeviceIfClass AcpiDeviceIfClass;
22 DECLARE_CLASS_CHECKERS(AcpiDeviceIfClass, ACPI_DEVICE_IF,
23                        TYPE_ACPI_DEVICE_IF)
24 #define ACPI_DEVICE_IF(obj) \
25      INTERFACE_CHECK(AcpiDeviceIf, (obj), \
26                      TYPE_ACPI_DEVICE_IF)
27 
28 typedef struct AcpiDeviceIf AcpiDeviceIf;
29 
30 void acpi_send_event(DeviceState *dev, AcpiEventStatusBits event);
31 
32 /**
33  * AcpiDeviceIfClass:
34  *
35  * ospm_status: returns status of ACPI device objects, reported
36  *              via _OST method if device supports it.
37  * send_event: inject a specified event into guest
38  * madt_cpu: fills @entry with Interrupt Controller Structure
39  *           for CPU indexed by @uid in @apic_ids array,
40  *           returned structure types are:
41  *           0 - Local APIC, 9 - Local x2APIC, 0xB - GICC
42  *
43  * Interface is designed for providing unified interface
44  * to generic ACPI functionality that could be used without
45  * knowledge about internals of actual device that implements
46  * ACPI interface.
47  */
48 struct AcpiDeviceIfClass {
49     /* <private> */
50     InterfaceClass parent_class;
51 
52     /* <public> */
53     void (*ospm_status)(AcpiDeviceIf *adev, ACPIOSTInfoList ***list);
54     void (*send_event)(AcpiDeviceIf *adev, AcpiEventStatusBits ev);
55     void (*madt_cpu)(AcpiDeviceIf *adev, int uid,
56                      const CPUArchIdList *apic_ids, GArray *entry);
57 };
58 #endif
59