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SCSI_HBA_INIT(9F)					     SCSI_HBA_INIT(9F)

NAME
       scsi_hba_init, scsi_hba_fini - SCSI Host Bus Adapter system initializa‐
       tion and completion routines

SYNOPSIS
       #include <sys/scsi/scsi.h>

       int scsi_hba_init(struct modlinkage *modlp);

       void scsi_hba_fini(struct modlinkage *modlp);

INTERFACE LEVEL
       Solaris architecture specific (Solaris DDI).

PARAMETERS
       modlp
		 Pointer to the Host Bus Adapters module linkage structure.

DESCRIPTION
   scsi_hba_init()
       scsi_hba_init() is the system-provided initialization routine for  SCSI
       HBA  drivers.   The  scsi_hba_init()  function registers the HBA in the
       system and allows the driver to accept configuration requests on behalf
       of  SCSI	 target drivers. The scsi_hba_init() routine must be called in
       the HBA's  _init(9E)  routine  before  mod_install(9F)  is  called.  If
       mod_install(9F)	fails, the HBA's _init(9E) should call scsi_hba_fini()
       before returning failure.

   scsi_hba_fini()
       scsi_hba_fini() is the system provided completion routine for SCSI  HBA
       drivers.	 scsi_hba_fini()  removes all of the system references for the
       HBA that were created in scsi_hba_init(). The  scsi_hba_fini()  routine
       should  be  called  in the HBA's _fini(9E) routine if mod_remove(9F) is
       successful.

RETURN VALUES
       scsi_hba_init() returns 0 if successful, and a  non-zero	 value	other‐
       wise.  If  scsi_hba_init()  fails, the HBA's _init() entry point should
       return the value returned by scsi_hba_init().

CONTEXT
       scsi_hba_init() and scsi_hba_fini() should be called from _init(9E)  or
       _fini(9E), respectively.

SEE ALSO
       _fini(9E),   _init(9E),	mod_install(9F),  mod_remove(9F),  scsi_pktal‐
       loc(9F), scsi_pktfree(9F), scsi_hba_tran(9S)

       Writing Device Drivers

NOTES
       The HBA is responsible for ensuring that no DDI	request	 routines  are
       called  on  behalf  of  its SCSI target drivers once scsi_hba_fini() is
       called.

				  Nov 1, 1993		     SCSI_HBA_INIT(9F)

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