Device driver system having generic operating system interface

Details Device driver system having generic operating system interface Device driver system having generic operating system interface

1991-03-26

1993-11-23

Harrell, Robert B.

Boots, shoes, and leggings

364DIG1, 3642809, G06F 300

Patent

active

052652521

ABSTRACT:
A device driver system comprises a core that manages the specific functions of a plurality of I/O devices. The core includes an operating system interface that is generic to different operating systems. An operating system has a device driver interface that is unique to the operating system. A conversion program is layered between the core and the operating system for converting communications between the device driver interface of the operating system and the generic operating system interface of the core. The core includes a channel manager including a request dispatcher, request queues, a command initiator, and a plurality of state machines corresponding to state machine in the I/O devices. A transport layer interfaces between the hardware and the channel manager.

REFERENCES:
patent: 4888680 (1990-12-01), Sander et al.
patent: 5029077 (1991-07-01), Fatahalian et al.
patent: 5081577 (1992-01-01), Hatle

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