xref: /qemu/include/hw/acpi/acpi_dev_interface.h (revision db1015e92e04835c9eb50c29625fe566d1202dbd)
1 #ifndef ACPI_DEV_INTERFACE_H
2 #define ACPI_DEV_INTERFACE_H
3 
4 #include "qapi/qapi-types-misc.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 #define ACPI_DEVICE_IF_CLASS(klass) \
23      OBJECT_CLASS_CHECK(AcpiDeviceIfClass, (klass), \
24                         TYPE_ACPI_DEVICE_IF)
25 #define ACPI_DEVICE_IF_GET_CLASS(obj) \
26      OBJECT_GET_CLASS(AcpiDeviceIfClass, (obj), \
27                       TYPE_ACPI_DEVICE_IF)
28 #define ACPI_DEVICE_IF(obj) \
29      INTERFACE_CHECK(AcpiDeviceIf, (obj), \
30                      TYPE_ACPI_DEVICE_IF)
31 
32 typedef struct AcpiDeviceIf AcpiDeviceIf;
33 
34 void acpi_send_event(DeviceState *dev, AcpiEventStatusBits event);
35 
36 /**
37  * AcpiDeviceIfClass:
38  *
39  * ospm_status: returns status of ACPI device objects, reported
40  *              via _OST method if device supports it.
41  * send_event: inject a specified event into guest
42  * madt_cpu: fills @entry with Interrupt Controller Structure
43  *           for CPU indexed by @uid in @apic_ids array,
44  *           returned structure types are:
45  *           0 - Local APIC, 9 - Local x2APIC, 0xB - GICC
46  *
47  * Interface is designed for providing unified interface
48  * to generic ACPI functionality that could be used without
49  * knowledge about internals of actual device that implements
50  * ACPI interface.
51  */
52 struct AcpiDeviceIfClass {
53     /* <private> */
54     InterfaceClass parent_class;
55 
56     /* <public> */
57     void (*ospm_status)(AcpiDeviceIf *adev, ACPIOSTInfoList ***list);
58     void (*send_event)(AcpiDeviceIf *adev, AcpiEventStatusBits ev);
59     void (*madt_cpu)(AcpiDeviceIf *adev, int uid,
60                      const CPUArchIdList *apic_ids, GArray *entry);
61 };
62 #endif
63