dada/conf/device.h

/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License, Version 1.0 only
 * (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 (c) 1996, by Sun Microsystems, Inc.
 * All rights reserved.
 */

/*
 * DCD device structure.
 *
 *  All DCD target drivers will have one of these per target/lun.
 *  It will be created by a parent device and stored as driver private
 *  data in that device's dev_info_t (and thus can be retrieved by
 *  the function ddi_get_driver_private).
 */

#ifndef _SYS_DCD_CONF_DEVICE_H
#define _SYS_DCD_CONF_DEVICE_H

#pragma ident   "%Z%%M% %I% %E% SMI"

#include <sys/dada/dada_types.h>

#ifdef  __cplusplus
extern "C" {
#endif

struct dcd_device {
    /*
     * Routing info for this device.
     */

    struct dcd_address  *dcd_address;

    /*
     * Cross-reference to our dev_info_t.
     */

    dev_info_t      *dcd_dev;

    /*
     * Mutex for this device, initialized by
     * parent prior to calling probe or attach
     * routine.
     */

    kmutex_t        dcd_mutex;

    /*
     * Reserved, do not use.
     */

    void            *dcd_reserved;


    /*
     * If dcd_probe is used to probe out this device,
     * a dcd_identify data structure will be allocated
     * and an IDENTIFY command will be run to fill it in.
     *
     */

    struct dcd_identify *dcd_ident;

    /*
     * More detailed information is 'private' information, i.e., is
     * only pertinent to Target drivers.
     */

    caddr_t         dcd_private;

};


#ifdef  _KERNEL
#ifdef  __STDC__
extern int dcd_probe(struct dcd_device *devp, int (*callback)());
extern void dcd_unprobe(struct dcd_device *devp);
#else   /* __STDC__ */
extern int dcd_probe();
extern void dcd_unprobe();
#endif  /* __STDC__ */
#endif  /* _KERNEL */

#ifdef  __cplusplus
}
#endif

#endif  /* _SYS_DCD_CONF_DEVICE_H */