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Techniques for use with device drivers in a common software environment

  • US 7,950,022 B1
  • Filed: 06/29/2007
  • Issued: 05/24/2011
  • Est. Priority Date: 06/29/2007
  • Status: Active Grant
First Claim
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1. A computer-implemented method for facilitating communication between device drivers comprising:

  • providing a device driver module making at least one call using an application programming interface, the application programming interface facilitating communication between the device driver module and a target code module wherein the application programming interface provides support for performing the at least one call from a first execution mode associated with the device driver module and a second execution mode associated with the target code module, said application programming interface providing support for user space to user space communication, user space to kernel space communication, kernel space to kernel space communication, and kernel to user space communication;

    determining, by code of the application programming interface, said first execution mode of the device driver module and said second execution mode of the target code module, wherein said first execution mode and said second execution mode are one of a user execution mode or a kernel execution mode; and

    establishing, using code of the application programming interface, a communication path between said device driver module and said target code module in accordance with said first execution mode and said second execution mode.

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