sdi_findspec(D3I)                                  sdi_findspec(D3I)


       NAME
             sdi_findspec - allocate a structure from the pool of
             structures

       SYNOPSIS
             #include <sys/sdi.h>
             struct dev_spec * sdi_findspec(struct sdi_edt *edtp,
                      struct dev_spec *dev_spec[])

          Arguments
             edtp  Pointer to an EDT structure for the desired device.

             dev_spec
                   An array of pointers to device specific functions
                   relative to each of the target driver entry points.

          Return Values
             Pointer to a dev_spec entry or NULL if no match is found.

       DESCRIPTION
             sdi_findspec finds a matching device specification routine.
             Target drivers may need special handling of certain devices.
             An example is a disk which requires a power-up command on the
             first open.  This routine looks for a match of an inquiry
             string of a device against those kept in the dev_spec
             structure defined in the Space.c file of the target driver.

       USAGE
             During a target driver init routine, the sdi_findspec is
             called to get the dev_spec structure (if defined) of the
             various function pointers of the device specific routines.
             The device specific routines which can be defined are
             first_open, last_close, intr, and the command helper.  Only
             the needed functions should be defined.  Included in the
             dev_spec structure is the inquiry string of the device which
             has the need for the special functions.  It is also possible
             to define standard supported commands for the device and those
             which should use the command helper routine.

          Level
             Base only.

       REFERENCES
             Space.c(4)




                           Copyright 1994 Novell, Inc.               Page 1

      sdi_findspec(D3I)                                  sdi_findspec(D3I)


      NOTICES
            This routine will be removed in a future release of the
            DDI/DKI.

      NOTICES
         Applicability
            sdi: 1, 2









































                          Copyright 1994 Novell, Inc.               Page 2