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Developing DDI kernel drivers

Developing DDI kernel drivers

DDI (Device Driver Interface) is the basic interface used for kernel device drivers for SVR5. This is a topical presentation of information about DDI. Many topics contain pointers to related material in the STREAMS, MDI, and SDI documentation.

The supported $interface value for SVR5 DDI drivers is $interface ddi: 8. The DDI version must be declared in the driver's Master(DSP/4dsp) file.

A DDI kernel driver utilizes:

Kernel driver writers should also be familiar with:

Information about general driver development topics is available in Developing device drivers.


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OpenServer 6 and UnixWare (SVR5) HDK - June 2005