/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License (the "License").
 * You may not use this file except in compliance with the License.
 *
 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
 * or http://www.opensolaris.org/os/licensing.
 * See the License for the specific language governing permissions
 * and limitations under the License.
 *
 * When distributing Covered Code, include this CDDL HEADER in each
 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
 * If applicable, add the following below this CDDL HEADER, with the
 * fields enclosed by brackets "[]" replaced with your own identifying
 * information: Portions Copyright [yyyy] [name of copyright owner]
 *
 * CDDL HEADER END
 */

/*
 * Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */

#ifndef _ATA_CMD_H
#define _ATA_CMD_H

#ifdef  __cplusplus
extern "C" {
#endif

/*
 * Common ATA commands.
 */
#define ATC_DIAG        0x90    /* diagnose command                     */
#define ATC_RECAL       0x10    /* restore cmd, bottom 4 bits step rate */
#define ATC_FORMAT      0x50    /* format track command                 */
#define ATC_SET_FEAT    0xef    /* set features                         */
#define ATC_IDLE_IMMED  0xe1    /* idle immediate                       */
#define ATC_STANDBY_IM  0xe0    /* standby immediate                    */
#define ATC_DOOR_LOCK   0xde    /* door lock                            */
#define ATC_DOOR_UNLOCK 0xdf    /* door unlock                          */
#define ATC_IDLE        0xe3    /* idle                                 */
#define ATC_SLEEP       0xe6    /* sleep                                */

/*
 * ATA/ATAPI-4 disk commands.
 */
#define ATC_DEVICE_RESET        0x08    /* ATAPI device reset */
#define ATC_EJECT               0xed    /* media eject */
#define ATC_FLUSH_CACHE         0xe7    /* flush write-cache */
#define ATC_ID_DEVICE           0xec    /* IDENTIFY DEVICE */
#define ATC_ID_PACKET_DEVICE    0xa1    /* ATAPI identify packet device */
#define ATC_INIT_DEVPARMS       0x91    /* initialize device parameters */
#define ATC_PACKET              0xa0    /* ATAPI packet */
#define ATC_RDMULT              0xc4    /* read multiple */
#define ATC_RDSEC               0x20    /* read sector */
#define ATC_RDVER               0x40    /* read verify */
#define ATC_READ_DMA            0xc8    /* read (multiple) w/DMA */
#define ATC_SEEK                0x70    /* seek */
#define ATC_SERVICE             0xa2    /* queued/overlap service */
#define ATC_SETMULT             0xc6    /* set multiple mode */
#define ATC_WRITE_DMA           0xca    /* write (multiple) w/DMA */
#define ATC_WRMULT              0xc5    /* write multiple */
#define ATC_WRSEC               0x30    /* write sector */

/*
 * Low bits for Read/Write commands...
 */
#define ATCM_ECCRETRY   0x01    /* Enable ECC and RETRY by controller   */
                                /* enabled if bit is CLEARED!!!         */
#define ATCM_LONGMODE   0x02    /* Use Long Mode (get/send data & ECC)  */


/*
 * Obsolete ATA commands.
 */

#define ATC_RDLONG      0x23    /* read long without retry      */
#define ATC_ACK_MC      0xdb    /* acknowledge media change             */

#ifdef  __cplusplus
}
#endif

#endif /* _ATA_CMD_H */