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/*-
* Ioctl definitions for the SCSI Target Driver
*
* Copyright (c) 2002 Nate Lawson.
* Copyright (c) 1998 Justin T. Gibbs.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions, and the following disclaimer,
* without modification, immediately at the beginning of the file.
* 2. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $FreeBSD: release/9.1.0/sys/cam/scsi/scsi_targetio.h 139743 2005-01-05 22:34:37Z imp $
*/
#ifndef _CAM_SCSI_SCSI_TARGETIO_H_
#define _CAM_SCSI_SCSI_TARGETIO_H_
#ifndef _KERNEL
#include <sys/types.h>
#endif
#include <sys/ioccom.h>
#include <cam/cam.h>
#include <cam/cam_ccb.h>
/*
* CCBs (ATIO, CTIO, INOT, REL_SIMQ) are sent to the kernel driver
* by writing one or more pointers. The user receives notification
* of CCB completion through poll/select/kqueue and then calls
* read(2) which outputs pointers to the completed CCBs.
*/
/*
* Enable and disable a target mode instance. For enabling, the path_id,
* target_id, and lun_id fields must be set. The grp6/7_len fields
* specify the length of vendor-specific CDBs the target expects and
* should normally be set to 0. On successful completion
* of enable, the specified target instance will answer selection.
* Disable causes the target instance to abort any outstanding commands
* and stop accepting new ones. The aborted CCBs will be returned to
* the user via read(2) or discarded if the user closes the device.
* The user can then re-enable the device for a new path.
*/
struct ioc_enable_lun {
path_id_t path_id;
target_id_t target_id;
lun_id_t lun_id;
int grp6_len;
int grp7_len;
};
#define TARGIOCENABLE _IOW('C', 5, struct ioc_enable_lun)
#define TARGIOCDISABLE _IO('C', 6)
/*
* Set/clear debugging for this target mode instance
*/
#define TARGIOCDEBUG _IOW('C', 7, int)
TAILQ_HEAD(ccb_queue, ccb_hdr);
#endif /* _CAM_SCSI_SCSI_TARGETIO_H_ */