TRAN_TGT_INIT man page on SmartOS

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TRAN_TGT_INIT(9E)					     TRAN_TGT_INIT(9E)

NAME
       tran_tgt_init - request to initialize HBA resources on behalf of a par‐
       ticular target

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

       void prefixtran_tgt_init(dev_info_t *hba_dip, dev_info_t *tgt_dip,
	    scsi_hba_tran_t *hba_tran, struct scsi_device *sd);

INTERFACE LEVEL
       Solaris architecture specific (Solaris DDI).

PARAMETERS
       hba_dip
		    Pointer to a  dev_info_t structure, referring to  the  HBA
		    device instance.

       tgt_dip
		    Pointer to a dev_info_t structure, referring to the target
		    device instance.

       hba_tran
		    Pointer to a  scsi_hba_tran(9S) structure,	consisting  of
		    the HBA's transport vectors.

       sd
		    Pointer  to	 a   scsi_device(9S) structure, describing the
		    target.

DESCRIPTION
       The tran_tgt_init() vector in the scsi_hba_tran(9S)  structure  may  be
       initialized  during  the	 HBA  driver's	attach(9E)  to point to an HBA
       driver function to be called by the system when an instance of a target
       device  is  being  created.  The tran_tgt_init() vector, if not NULL,is
       called after the dev_info node structure is  created  for  this	target
       device  instance,  but  before  probe(9E)  for this instance is called.
       Before receiving transport requests from the  target  driver  instance,
       the  HBA	 may  perform  any initialization required for this particular
       target during the call of the tran_tgt_init() vector.

       Note that hba_tran will point to a cloned copy of  the  scsi_hba_tran_t
       structure  allocated  by the HBA driver if the SCSI_HBA_TRAN_CLONE flag
       was specified in the call to scsi_hba_attach(9F). In this case, the HBA
       driver  may  choose  to	initialize  the	 tran_tgt_private field in the
       structure pointed to by hba_tran, to point to the data specific to  the
       particular target device instance.

RETURN VALUES
       tran_tgt_init() must return:

       DDI_SUCCESS
		       the  HBA	 driver	 can support the addressed target, and
		       was able to initialize per-target resources.

       DDI_FAILURE
		       the HBA driver cannot support the addressed target,  or
		       was  unable to initialize per-target resources. In this
		       event, the initialization of this instance of the  tar‐
		       get  device  will not be continued, the target driver's
		       probe(9E) will not be called, and the tgt_dip structure
		       destroyed.

SEE ALSO
       attach(9E),     probe(9E),    tran_tgt_free(9E),	   tran_tgt_probe(9E),
       scsi_hba_attach_setup(9F), scsi_device(9S), scsi_hba_tran(9S)

       Writing Device Drivers

				  Nov 1, 1993		     TRAN_TGT_INIT(9E)
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