scsi_edt(D4I)                                          scsi_edt(D4I)


       NAME
             scsi_edt - external EDT device definition structure

       SYNOPSIS
             #include <sys/sdi.h>
             #include <sys/ddi.h>

       DESCRIPTION
             The scsi_edt structure defines the external representation of
             an entry to the Equipped Device Table (EDT) and describes a
             PDI device or controller.  The c_maj and b_maj fields
             represent the device character and block major numbers.  The
             pdtype field identifies the SCSI target device type.  The
             tc_equip field is set to one if the target is equipped.  The
             ha_slot field is set to the hbano of the controller for this
             device.  The n_lus contains a count of the number of LUs
             equipped, and lu_id is an array that has a one set for the LUs
             that are equipped.  The device driver name is returned in
             drv_name, and the inquiry string is saved in the tc_inquiry
             field.

          Return Values
             None.

       USAGE
             When the B_REDT ioctl (see sdi(7)) is invoked, SDI fills in a
             scsi_edt structure for all SCSI target devices on each
             configured host adapter.  When the B_HA_CNT ioctl is invoked,
             SDI uses this information to compute the number of configured
             host adapters in the system.

          Structure Members
             The scsi_edt structure is defined as follows:

             struct scsi_edt {
                 short       c_maj;        /* Target drv. character major number */
                 short       b_maj;        /* Target drv. block major number     */
                 uchar_t     pdtype;       /* Target controller SCSI device type */
                 uchar_t     tc_equip;     /* one if TC is equipped            */
                 uchar_t     ha_slot;      /* Host Adaptor controller slot number*/
                 uchar_t     n_lus;        /* number of equipped LUS on TC           */
                 uchar_t     lu_id[MAX_LUS];     /* one if LU is equipped      */
                 char        drv_name[NAME_LEN]; /* target driver ASCII name   */
                 uchar_t     tc_inquiry[INQ_LEN];      /* TC vendor and product name */
             };



                           Copyright 1994 Novell, Inc.               Page 1

      scsi_edt(D4I)                                          scsi_edt(D4I)


      REFERENCES
            sdi(7)














































                          Copyright 1994 Novell, Inc.               Page 2