Enhancement of DNVME device driver

The device driver is the interface between hardware and software applications. It includes all the functionality for handling the devices connected to it. The drivers are device-specific. The storage devices like SSD and HDD use dNVMe driver for handling them. This driver can be enhanced for supporting various features. The enhancement helps in development of storage devices. The main areas for modification includes enhancing IOCTL calls, allowing register level changes and allowance for negative testing. These features will enrich the storage devices for all the qualifications