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/* $NetBSD: dkio.h,v 1.26 2020/03/02 16:01:56 riastradh 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>
#include <prop/plistref.h>
/*
* Disk-specific ioctls.
*/
/* get and set disklabel; DIOCGPARTINFO 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 */
#ifdef _KERNEL
#define DIOCGDINFO32 (DIOCGDINFO - (sizeof(uint32_t) << IOCPARM_SHIFT))
#define DIOCGPARTINFO _IOW('d', 104, struct partinfo) /* get partition */
#endif
#if defined(__HAVE_OLD_DISKLABEL) && defined(_KERNEL)
#define ODIOCGDINFO _IOR('d', 101, struct olddisklabel)/* get */
#define ODIOCSDINFO _IOW('d', 102, struct olddisklabel)/* set */
#define ODIOCWDINFO _IOW('d', 103, struct olddisklabel)/* set, update dk */
#endif
/* do format operation, read or write */
#define DIOCRFORMAT _IOWR('d', 105, struct format_op)
#define DIOCWFORMAT _IOWR('d', 106, struct format_op)
#define DIOCSSTEP _IOW('d', 107, int) /* set step rate */
#define DIOCSRETRIES _IOW('d', 108, int) /* set # of retries */
#define DIOCKLABEL _IOW('d', 119, int) /* keep/drop label on close? */
#define DIOCWLABEL _IOW('d', 109, int) /* write en/disable label */
#define DIOCSBAD _IOW('d', 110, struct dkbad) /* set kernel dkbad */
#define DIOCEJECT _IOW('d', 112, int) /* eject removable disk */
#define ODIOCEJECT _IO('d', 112) /* eject removable disk */
#define DIOCLOCK _IOW('d', 113, int) /* lock/unlock pack */
/* get default label, clear label */
#define DIOCGDEFLABEL _IOR('d', 114, struct disklabel)
#define DIOCCLRLABEL _IO('d', 115)
#if defined(__HAVE_OLD_DISKLABEL) && defined(_KERNEL)
#define ODIOCGDEFLABEL _IOR('d', 114, struct olddisklabel)
#endif
/* disk cache enable/disable */
#define DIOCGCACHE _IOR('d', 116, int) /* get cache enables */
#define DIOCSCACHE _IOW('d', 117, int) /* set cache enables */
#define DKCACHE_READ 0x000001 /* read cache enabled */
#define DKCACHE_WRITE 0x000002 /* write(back) cache enabled */
#define DKCACHE_RCHANGE 0x000100 /* read enable is changeable */
#define DKCACHE_WCHANGE 0x000200 /* write enable is changeable */
#define DKCACHE_SAVE 0x010000 /* cache parameters are savable/save them */
#define DKCACHE_FUA 0x020000 /* Force Unit Access supported */
#define DKCACHE_DPO 0x040000 /* Disable Page Out supported */
/*
* Combine disk cache flags of two drives to get common cache capabilities.
* All common flags are retained. Besides this, if one of the disks
* has a write cache enabled or changeable, propagate those flags into result,
* even if it's not shared, to indicate that write cache is present.
*/
#define DKCACHE_COMBINE(a, b) \
(((a) & (b)) | (((a) | (b)) & (DKCACHE_WRITE|DKCACHE_WCHANGE)))
/* sync disk cache */
#define DIOCCACHESYNC _IOW('d', 118, int) /* sync cache (force?) */
/* bad sector list */
#define DIOCBSLIST _IOWR('d', 119, struct disk_badsecinfo) /* get list */
#define DIOCBSFLUSH _IO('d', 120) /* flush list */
/* wedges */
#define DIOCAWEDGE _IOWR('d', 121, struct dkwedge_info) /* add wedge */
#define DIOCGWEDGEINFO _IOR('d', 122, struct dkwedge_info) /* get wedge inf */
#define DIOCDWEDGE _IOW('d', 123, struct dkwedge_info) /* del wedge */
#define DIOCLWEDGES _IOWR('d', 124, struct dkwedge_list) /* list wedges */
/* disk buffer queue strategy */
#define DIOCGSTRATEGY _IOR('d', 125, struct disk_strategy)
#define DIOCSSTRATEGY _IOW('d', 126, struct disk_strategy)
/* get disk-info dictionary */
#define DIOCGDISKINFO _IOR('d', 127, struct plistref)
#define DIOCTUR _IOR('d', 128, int) /* test unit ready */
/* 129 was DIOCGDISCARDPARAMS during 6.99 */
/* 130 was DIOCDISCARD during 6.99 */
/* trigger wedge auto discover */
#define DIOCMWEDGES _IOR('d', 131, int) /* make wedges */
/* query disk geometry */
#define DIOCGSECTORSIZE _IOR('d', 133, u_int) /* sector size in bytes */
#define DIOCGMEDIASIZE _IOR('d', 132, off_t) /* media size in bytes */
/* mass removal */
#define DIOCRMWEDGES _IOR('d', 134, int) /* remove all wedges */
/* sector alignment */
#define DIOCGSECTORALIGN _IOR('d', 135, struct disk_sectoralign)
#endif /* _SYS_DKIO_H_ */
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