Emerson MVME147 manual Interface Rules for the SCSI Firmware

Models: MVME147

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Interface Rules for the SCSI Firmware

9.TARGET LUN 6 service handler: Services requests for logical unit 6 of the MVME147 TARGET.

10.TARGET LUN 7 service handler: Services requests for logical unit 7 of the MVME147 TARGET.

The summary below is intended to help users who have multiple callers to the SCSI firmware.

1.INTERMEDIATE RETURNS:

xx02: PERFORM AN RTE (HOWEVER REQUIRED) IF BIT 13 OF THE

RETURNED STATUS WORD IS 0 OR RETURN TO THE CALLER

OF THE DRIVER/SERVER BY THE APPROPRIATE METHOD.

E.G. IF THE DRIVER IS CALLED BY A BSR, AN RTS SHOULD BE USED.

xx04: AFTER APPROPRIATE PROCESS, RETURN TO THE REACTIVATION

ENTRY ($FFFE0782) IF

BIT 13 OF THE RETURNED STATUS WORD IS 1, OR RETURN

TO THE RTE ENTRY ($FFFE079A) IF BIT 13 OF THE RETURNED STATUS WORD IS 0.

xx06: SAME RULE AS FOR xx04 ABOVE.

xx08: INITIATOR DATA RECEIVED, USER MUST INTERPRET THEN CONTINUE WITH

NEW TARGET SEQUENCE PACKET BY FOLLOWING SAME RULE AS FOR xx04 ABOVE.

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Page 63
Image 63
Emerson MVME147 manual Interface Rules for the SCSI Firmware