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FORK: QEMU emulator
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acpi_aml_interface.h (1275B)

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