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Introduction to SCSI drivers

The peripheral driver callback function (intr)

The SCSI peripheral driver's intr(D2osdi) routine is the callback function. It is called once for every request block that is accepted for processing by the SCSI host adapter. The function is called with one argument, the pointer to the request block that has been processed.

The peripheral driver's callback function will be called by the adapter driver at driver interrupt time before returning control from its intr( ) routine.


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