device.h revision 7c478bd95313f5f23a4c958a745db2134aa03244
/*
* 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.
*/
/*
* SCSI device structure.
*
* All SCSI 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_SCSI_CONF_DEVICE_H
#define _SYS_SCSI_CONF_DEVICE_H
#pragma ident "%Z%%M% %I% %E% SMI"
#include <sys/scsi/scsi_types.h>
#ifdef __cplusplus
extern "C" {
#endif
struct scsi_device {
/*
* Routing info for this device.
*/
struct scsi_address sd_address;
/*
* Cross-reference to our dev_info_t.
*/
dev_info_t *sd_dev;
/*
* Mutex for this device, initialized by
* parent prior to calling probe or attach
* routine.
*/
kmutex_t sd_mutex;
/*
* Reserved, do not use.
*/
void *sd_reserved;
/*
* If scsi_slave is used to probe out this device,
* a scsi_inquiry data structure will be allocated
* and an INQUIRY command will be run to fill it in.
*
* The allocation will be done via ddi_iopb_alloc,
* so any manual freeing may be done by ddi_iopb_free.
*/
struct scsi_inquiry *sd_inq;
/*
* Place to point to an extended request sense buffer.
* The target driver is responsible for managing this.
*/
struct scsi_extended_sense *sd_sense;
/*
* More detailed information is 'private' information, i.e., is
* only pertinent to Target drivers.
*/
caddr_t sd_private;
};
#ifdef _KERNEL
#ifdef __STDC__
extern int scsi_slave(struct scsi_device *devp, int (*callback)());
extern int scsi_probe(struct scsi_device *devp, int (*callback)());
extern void scsi_unslave(struct scsi_device *devp);
extern void scsi_unprobe(struct scsi_device *devp);
#else /* __STDC__ */
extern int scsi_slave();
extern void scsi_unslave();
extern int scsi_probe();
extern void scsi_unprobe();
#endif /* __STDC__ */
#endif /* _KERNEL */
#ifdef __cplusplus
}
#endif
#endif /* _SYS_SCSI_CONF_DEVICE_H */