Manual Pages for UNIX Operating System command usage for man tran_tgt_probe

Driver Entry Points                            tran_tgt_probe(9E)



NAME
     tran_tgt_probe - request to probe SCSI bus for a  particular
     target

SYNOPSIS
     #include 



     int prefixtran_tgt_probe(struct scsi_device *sd, int (*waitfunc,
          void)););


INTERFACE LEVEL
     Solaris architecture specific (Solaris DDI).

PARAMETERS
     sd           Pointer to a  scsi_device(9S) structure.


     waitfunc     Pointer to either  NULL_FUNC or SLEEP_FUNC.


DESCRIPTION
     The tran_tgt_probe() vector in the scsi_hba_tran(9S)  struc-
     ture  may  be initialized during the HBA driver's attach(9E)
     to point to a function to be called by  scsi_probe(9F)  when
     called by a target driver during probe(9E) and attach(9E) to
     probe for a particular  SCSI  target  on  the  bus.  In  the
     absence  of  an HBA-specific  tran_tgt_probe() function, the
     default scsi_probe(9F) behavior is supplied by the  function
     scsi_hba_probe(9F).


     The possible choices the HBA driver may make are:

         o    Initialize the tran_tgt_probe vector  to  point  to
              scsi_hba_probe(9F),   which  results  in  the  same
              behavior.

         o    Initialize the tran_tgt_probe vector to point to  a
              private   function  in  the  HBA,  which  may  call
              scsi_hba_probe(9F) before or  after  any  necessary
              processing,    as   long   as   all   the   defined
              scsi_probe(9F) semantics are preserved.


     waitfunc indicates  what  tran_tgt_probe()  should  do  when
     resources are not available:

     NULL_FUNC      Do   not    wait    for    resources.     See
                    scsi_probe(9F)  for  defined return values if



SunOS 5.11           Last change: 1 Nov 1993                    1






Driver Entry Points                            tran_tgt_probe(9E)



                    no resources are available.


     SLEEP_FUNC     Wait indefinitely for resources.


SEE ALSO
     attach(9E), probe(9E), tran_tgt_free(9E), tran_tgt_init(9E),
     scsi_hba_probe(9F),     scsi_probe(9F),     scsi_device(9S),
     scsi_hba_tran(9S)


     Writing Device Drivers










































SunOS 5.11           Last change: 1 Nov 1993                    2