507c32411f3f101e90ca2120f042b5ee698ba1d5mlf/*
507c32411f3f101e90ca2120f042b5ee698ba1d5mlf * CDDL HEADER START
507c32411f3f101e90ca2120f042b5ee698ba1d5mlf *
507c32411f3f101e90ca2120f042b5ee698ba1d5mlf * The contents of this file are subject to the terms of the
507c32411f3f101e90ca2120f042b5ee698ba1d5mlf * Common Development and Distribution License (the "License").
507c32411f3f101e90ca2120f042b5ee698ba1d5mlf * You may not use this file except in compliance with the License.
507c32411f3f101e90ca2120f042b5ee698ba1d5mlf *
507c32411f3f101e90ca2120f042b5ee698ba1d5mlf * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
507c32411f3f101e90ca2120f042b5ee698ba1d5mlf * or http://www.opensolaris.org/os/licensing.
507c32411f3f101e90ca2120f042b5ee698ba1d5mlf * See the License for the specific language governing permissions
507c32411f3f101e90ca2120f042b5ee698ba1d5mlf * and limitations under the License.
507c32411f3f101e90ca2120f042b5ee698ba1d5mlf *
507c32411f3f101e90ca2120f042b5ee698ba1d5mlf * When distributing Covered Code, include this CDDL HEADER in each
507c32411f3f101e90ca2120f042b5ee698ba1d5mlf * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
507c32411f3f101e90ca2120f042b5ee698ba1d5mlf * If applicable, add the following below this CDDL HEADER, with the
507c32411f3f101e90ca2120f042b5ee698ba1d5mlf * fields enclosed by brackets "[]" replaced with your own identifying
507c32411f3f101e90ca2120f042b5ee698ba1d5mlf * information: Portions Copyright [yyyy] [name of copyright owner]
507c32411f3f101e90ca2120f042b5ee698ba1d5mlf *
507c32411f3f101e90ca2120f042b5ee698ba1d5mlf * CDDL HEADER END
507c32411f3f101e90ca2120f042b5ee698ba1d5mlf */
507c32411f3f101e90ca2120f042b5ee698ba1d5mlf
507c32411f3f101e90ca2120f042b5ee698ba1d5mlf/*
507c32411f3f101e90ca2120f042b5ee698ba1d5mlf * Copyright 2000 Sun Microsystems, Inc. All rights reserved.
507c32411f3f101e90ca2120f042b5ee698ba1d5mlf * Use is subject to license terms.
507c32411f3f101e90ca2120f042b5ee698ba1d5mlf */
507c32411f3f101e90ca2120f042b5ee698ba1d5mlf
507c32411f3f101e90ca2120f042b5ee698ba1d5mlf#ident "%Z%%M% %I% %E% SMI"
507c32411f3f101e90ca2120f042b5ee698ba1d5mlf
507c32411f3f101e90ca2120f042b5ee698ba1d5mlf
507c32411f3f101e90ca2120f042b5ee698ba1d5mlf /*
507c32411f3f101e90ca2120f042b5ee698ba1d5mlf * The interrupt reason can be interpreted
507c32411f3f101e90ca2120f042b5ee698ba1d5mlf * from other bits as follows:
507c32411f3f101e90ca2120f042b5ee698ba1d5mlf *
507c32411f3f101e90ca2120f042b5ee698ba1d5mlf * DRQ IO CoD
507c32411f3f101e90ca2120f042b5ee698ba1d5mlf * --- -- ---
507c32411f3f101e90ca2120f042b5ee698ba1d5mlf * 0 0 1 Idle
507c32411f3f101e90ca2120f042b5ee698ba1d5mlf * 1 0 1 Send ATAPI CDB to device
507c32411f3f101e90ca2120f042b5ee698ba1d5mlf * 1 1 0 Data from device
507c32411f3f101e90ca2120f042b5ee698ba1d5mlf * 1 0 0 Data to device
507c32411f3f101e90ca2120f042b5ee698ba1d5mlf * 1 1 1 Future use
507c32411f3f101e90ca2120f042b5ee698ba1d5mlf * 0 1 1 Status ready
507c32411f3f101e90ca2120f042b5ee698ba1d5mlf *
507c32411f3f101e90ca2120f042b5ee698ba1d5mlf */
507c32411f3f101e90ca2120f042b5ee698ba1d5mlf
507c32411f3f101e90ca2120f042b5ee698ba1d5mlf ACTION
507c32411f3f101e90ca2120f042b5ee698ba1d5mlf
507c32411f3f101e90ca2120f042b5ee698ba1d5mlf ATAPI Status Bits
507c32411f3f101e90ca2120f042b5ee698ba1d5mlfCurrent |
507c32411f3f101e90ca2120f042b5ee698ba1d5mlfState | idle cdb datain dataout status
507c32411f3f101e90ca2120f042b5ee698ba1d5mlf |-----------------------------------------------------------------
507c32411f3f101e90ca2120f042b5ee698ba1d5mlfidle | cmd cmd cmd cmd cmd
507c32411f3f101e90ca2120f042b5ee698ba1d5mlfcommand | * sendcdb * * rd-intr-reason
507c32411f3f101e90ca2120f042b5ee698ba1d5mlfcdb | * * start-xfer start-xfer rd-intr-reason
507c32411f3f101e90ca2120f042b5ee698ba1d5mlfdatain | * * continue-xfer * rd-intr-reason
507c32411f3f101e90ca2120f042b5ee698ba1d5mlfdataout | * * * continue-xfer rd-intr-reason
507c32411f3f101e90ca2120f042b5ee698ba1d5mlf
507c32411f3f101e90ca2120f042b5ee698ba1d5mlf
507c32411f3f101e90ca2120f042b5ee698ba1d5mlf
507c32411f3f101e90ca2120f042b5ee698ba1d5mlf NEXT-STATE
507c32411f3f101e90ca2120f042b5ee698ba1d5mlf
507c32411f3f101e90ca2120f042b5ee698ba1d5mlf ATAPI Status Bits
507c32411f3f101e90ca2120f042b5ee698ba1d5mlfCurrent |
507c32411f3f101e90ca2120f042b5ee698ba1d5mlfState | idle cdb datain dataout status
507c32411f3f101e90ca2120f042b5ee698ba1d5mlf |-----------------------------------------------------------------
507c32411f3f101e90ca2120f042b5ee698ba1d5mlfidle | command command command command command
507c32411f3f101e90ca2120f042b5ee698ba1d5mlfcommand | * cdb * * *
507c32411f3f101e90ca2120f042b5ee698ba1d5mlfcdb | * * datain dataout (idle)
507c32411f3f101e90ca2120f042b5ee698ba1d5mlfdatain | * * datain * (idle)
507c32411f3f101e90ca2120f042b5ee698ba1d5mlfdataout | * * * dataout (idle)
507c32411f3f101e90ca2120f042b5ee698ba1d5mlf
507c32411f3f101e90ca2120f042b5ee698ba1d5mlf
507c32411f3f101e90ca2120f042b5ee698ba1d5mlf
507c32411f3f101e90ca2120f042b5ee698ba1d5mlfStates marked '*' should be invalid but some non-complaint drives
507c32411f3f101e90ca2120f042b5ee698ba1d5mlfdon't transition correctly between states.