root/sys/sys/dkio.h
/*      $OpenBSD: dkio.h,v 1.14 2025/11/13 20:59:14 deraadt Exp $       */
/*      $NetBSD: dkio.h,v 1.1 1996/01/30 18:21:48 thorpej Exp $ */

/*
 * Copyright (c) 1987, 1988, 1993
 *      The Regents of the University of California.  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.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. Neither the name of the University nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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.
 */

#ifndef _SYS_DKIO_H_
#define _SYS_DKIO_H_

#include <sys/ioccom.h>

/*
 * Disk-specific ioctls.
 */
                /* get and set disklabel; DIOCGPART used internally */
#define DIOCGDINFO      _IOR('d', 101, struct disklabel)/* get */
#define DIOCSDINFO      _IOW('d', 102, struct disklabel)/* set */
#define DIOCWDINFO      _IOW('d', 103, struct disklabel)/* set, update disk */
#define DIOCGPART       _IOW('d', 104, struct partinfo) /* get partition */

#define DIOCEJECT       _IO('d', 112)           /* eject removable disk */
#define DIOCLOCK        _IOW('d', 113, int)     /* lock/unlock pack */

#define DIOCGPDINFO     _IOR('d', 114, struct disklabel)/* get physical */
#define DIOCRLDINFO     _IO('d', 115)                   /* reload disklabel */

/* XXX temporary to support the transition to more partitions */
#define O_disklabel offsetof(struct disklabel, d_partitions[MAXPARTITIONS16])
#define O_DIOCGDINFO _IOC(IOC_OUT, 'd', 101, O_disklabel)

struct dk_inquiry {
        char            vendor[64];
        char            product[128];
        char            revision[64];
        char            serial[64];
};

#define DIOCINQ         _IOR('d', 116, struct dk_inquiry)

struct dk_cache {
        unsigned int    wrcache;
        unsigned int    rdcache;
};

#define DIOCGCACHE      _IOR('d', 117, struct dk_cache) /* get cache enabled */
#define DIOCSCACHE      _IOW('d', 118, struct dk_cache) /* set cache enabled */

struct dk_diskmap {
        char            *device;
        int             fd;
        int             flags;
};

#define DIOCMAP         _IOWR('d', 119, struct dk_diskmap)

#define DIOCCACHESYNC   _IOW('d', 120, int)     /* sync cache (force?) */

#endif /* _SYS_DKIO_H_ */