include/hw/acpi/acpi_aml_interface.h

   1 #ifndef ACPI_AML_INTERFACE_H
   2 #define ACPI_AML_INTERFACE_H
   3
   4 #include "qom/object.h"
   5 #include "hw/acpi/aml-build.h"
   6 #include "hw/qdev-core.h"
   7
   8 #define TYPE_ACPI_DEV_AML_IF "acpi-dev-aml-interface"
   9 typedef struct AcpiDevAmlIfClass AcpiDevAmlIfClass;
  10 DECLARE_CLASS_CHECKERS(AcpiDevAmlIfClass, ACPI_DEV_AML_IF, TYPE_ACPI_DEV_AML_IF)
  11 #define ACPI_DEV_AML_IF(obj) \
  12      INTERFACE_CHECK(AcpiDevAmlIf, (obj), TYPE_ACPI_DEV_AML_IF)
  13
  14 typedef struct AcpiDevAmlIf AcpiDevAmlIf;
  15 typedef void (*dev_aml_fn)(AcpiDevAmlIf *adev, Aml *scope);
  16
  17 /**
  18  * AcpiDevAmlIfClass:
  19  *
  20  * build_dev_aml: adds device specific AML blob to provided scope
  21  *
  22  * Interface is designed for providing generic callback that builds device
  23  * specific AML blob.
  24  */
  25 struct AcpiDevAmlIfClass {
  26     /* <private> */
  27     InterfaceClass parent_class;
  28
  29     /* <public> */
  30     dev_aml_fn build_dev_aml;
  31 };
  32
  33 static inline dev_aml_fn get_dev_aml_func(DeviceState *dev)
  34 {
  35     if (object_dynamic_cast(OBJECT(dev), TYPE_ACPI_DEV_AML_IF)) {
  36         AcpiDevAmlIfClass *klass = ACPI_DEV_AML_IF_GET_CLASS(dev);
  37         return klass->build_dev_aml;
  38     }
  39     return NULL;
  40 }
  41
  42 static inline void call_dev_aml_func(DeviceState *dev, Aml *scope)
  43 {
  44     dev_aml_fn fn = get_dev_aml_func(dev);
  45     if (fn) {
  46         fn(ACPI_DEV_AML_IF(dev), scope);
  47     }
  48 }
  49
  50 void qbus_build_aml(BusState *bus, Aml *scope);
  51
  52 #endif