Other OAL IOCTLs (Compact 2013)

10/16/2014

The following table shows the other OAL I/O controls.

I/O control	Description
IOCTL_HAL_GET_CACHE_INFO	Obtains cache information.
IOCTL_HAL_GET_IP_ADDR	Obtains the target device Ethernet address information.
IOCTL_HAL_GET_POOL_PARAMETERS	Modifies page pool parameters at run-time.
IOCTL_HAL_GET_RANDOM_SEED	Obtains random bytes from a hardware source.
IOCTL_HAL_GET_RNDIS_MACADDR	Specifies a MAC address for RNDIS. It is used by OEMs.
IOCTL_HAL_INIT_RTC	Resets the real-time clock by calling the OEMSetRealTime function.
IOCTL_HAL_POSTINIT	Provides the OEM with a last chance to perform an action before other processes are started. It is called by the kernel and implemented in the OAL.
IOCTL_HAL_WHQL_TEST_MODE	Checks whether the hardware is in a jumpered test mode.
IOCTL_KLIB_GETALARMRESOLUTION	Obtains the accuracy of the real-time clock (RTC). It is provided by the OEM.
IOCTL_KLIB_MAKESNAP	Saves a snapshot of memory to persistent storage.
IOCTL_PSL_NOTIFY	Notifies device drivers if a process is exiting, that is, its main thread terminates, while one or more other threads are running.

See Also