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scsi_hba_init(9F)	 Kernel Functions for Drivers	     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	struc‐
		       ture.

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.

SunOS 5.10			  1 Nov 1993		     scsi_hba_init(9F)

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