Need HBA card driver

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LEARN ABOUT SUNOS

tran_tgt_init

tran_tgt_init(9E)						Driver Entry Points						 tran_tgt_init(9E)

NAME

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

SunOS 5.10							    1 Nov 1993							 tran_tgt_init(9E)

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