1 #ifndef ACPI_DEV_INTERFACE_H
2 #define ACPI_DEV_INTERFACE_H
3 
4 #include "qom/object.h"
5 #include "hw/boards.h"
6 
7 /* These values are part of guest ABI, and can not be changed */
8 typedef enum {
9     ACPI_PCI_HOTPLUG_STATUS = 2,
10     ACPI_CPU_HOTPLUG_STATUS = 4,
11     ACPI_MEMORY_HOTPLUG_STATUS = 8,
12     ACPI_NVDIMM_HOTPLUG_STATUS = 16,
13     ACPI_VMGENID_CHANGE_STATUS = 32,
14 } AcpiEventStatusBits;
15 
16 #define TYPE_ACPI_DEVICE_IF "acpi-device-interface"
17 
18 #define ACPI_DEVICE_IF_CLASS(klass) \
19      OBJECT_CLASS_CHECK(AcpiDeviceIfClass, (klass), \
20                         TYPE_ACPI_DEVICE_IF)
21 #define ACPI_DEVICE_IF_GET_CLASS(obj) \
22      OBJECT_GET_CLASS(AcpiDeviceIfClass, (obj), \
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 typedef 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 } AcpiDeviceIfClass;
58 #endif
59