GetBusDeviceFunction
Returns the device’s bus, device, and function numbers.
Declaration
virtual kern_return_t GetBusDeviceFunction(uint8_t *returnBusNumber, uint8_t *returnDeviceNumber, uint8_t *returnFunctionNumber);Parameters
- returnBusNumber:
A variable in which you want to store the bus number.
- returnDeviceNumber:
A variable in which you want to store the device number.
- returnFunctionNumber:
A variable in which you want to store the function number.
Return Value
kIOReturnSuccess on success, or another value if an error occurs. See Error Codes.