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Device driver and adapter binding technique

  • US 4,649,479 A
  • Filed: 02/28/1985
  • Issued: 03/10/1987
  • Est. Priority Date: 02/28/1985
  • Status: Expired
First Claim
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1. A device driver and adapter binding technique in which an operating system having device drivers is run as a virtual machine on a virtual resource manager having device drivers of real and virtual devices comprising the steps of:

  • assigning a "token" to the virtual resource manager'"'"'s device driver for the device to be bound to a device driver of said operating system;

    creating a device dependent information file in said operating system corresponding to said device to be bound, said file including adapter dependent information for said device;

    placing said "token" in a device driver of said operating system at the time said operating system is initiated; and

    using said "token" placed in said device driver of said operating system to communicate with the corresponding virtual resource manager device driver when said device driver of said operating system is opened to drive said device, thereby binding the two drivers and using the device dependent information in said device dependent information file to drive the physical device.

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