1 /* $NetBSD: dkio.h,v 1.26 2020/03/02 16:01:56 riastradh Exp $ */ 2 3 /* 4 * Copyright (c) 1987, 1988, 1993 5 * The Regents of the University of California. All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. Neither the name of the University nor the names of its contributors 16 * may be used to endorse or promote products derived from this software 17 * without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 * SUCH DAMAGE. 30 */ 31 32 #ifndef _SYS_DKIO_H_ 33 #define _SYS_DKIO_H_ 34 35 #include <sys/ioccom.h> 36 #include <prop/plistref.h> 37 38 /* 39 * Disk-specific ioctls. 40 */ 41 /* get and set disklabel; DIOCGPARTINFO used internally */ 42 #define DIOCGDINFO _IOR('d', 101, struct disklabel)/* get */ 43 #define DIOCSDINFO _IOW('d', 102, struct disklabel)/* set */ 44 #define DIOCWDINFO _IOW('d', 103, struct disklabel)/* set, update disk */ 45 46 #ifdef _KERNEL 47 #define DIOCGDINFO32 (DIOCGDINFO - (sizeof(uint32_t) << IOCPARM_SHIFT)) 48 #define DIOCGPARTINFO _IOW('d', 104, struct partinfo) /* get partition */ 49 #endif 50 51 #if defined(__HAVE_OLD_DISKLABEL) && defined(_KERNEL) 52 #define ODIOCGDINFO _IOR('d', 101, struct olddisklabel)/* get */ 53 #define ODIOCSDINFO _IOW('d', 102, struct olddisklabel)/* set */ 54 #define ODIOCWDINFO _IOW('d', 103, struct olddisklabel)/* set, update dk */ 55 #endif 56 57 /* do format operation, read or write */ 58 #define DIOCRFORMAT _IOWR('d', 105, struct format_op) 59 #define DIOCWFORMAT _IOWR('d', 106, struct format_op) 60 61 #define DIOCSSTEP _IOW('d', 107, int) /* set step rate */ 62 #define DIOCSRETRIES _IOW('d', 108, int) /* set # of retries */ 63 #define DIOCKLABEL _IOW('d', 119, int) /* keep/drop label on close? */ 64 #define DIOCWLABEL _IOW('d', 109, int) /* write en/disable label */ 65 66 #define DIOCSBAD _IOW('d', 110, struct dkbad) /* set kernel dkbad */ 67 #define DIOCEJECT _IOW('d', 112, int) /* eject removable disk */ 68 #define ODIOCEJECT _IO('d', 112) /* eject removable disk */ 69 #define DIOCLOCK _IOW('d', 113, int) /* lock/unlock pack */ 70 71 /* get default label, clear label */ 72 #define DIOCGDEFLABEL _IOR('d', 114, struct disklabel) 73 #define DIOCCLRLABEL _IO('d', 115) 74 75 #if defined(__HAVE_OLD_DISKLABEL) && defined(_KERNEL) 76 #define ODIOCGDEFLABEL _IOR('d', 114, struct olddisklabel) 77 #endif 78 79 /* disk cache enable/disable */ 80 #define DIOCGCACHE _IOR('d', 116, int) /* get cache enables */ 81 #define DIOCSCACHE _IOW('d', 117, int) /* set cache enables */ 82 83 #define DKCACHE_READ 0x000001 /* read cache enabled */ 84 #define DKCACHE_WRITE 0x000002 /* write(back) cache enabled */ 85 #define DKCACHE_RCHANGE 0x000100 /* read enable is changeable */ 86 #define DKCACHE_WCHANGE 0x000200 /* write enable is changeable */ 87 #define DKCACHE_SAVE 0x010000 /* cache parameters are savable/save them */ 88 #define DKCACHE_FUA 0x020000 /* Force Unit Access supported */ 89 #define DKCACHE_DPO 0x040000 /* Disable Page Out supported */ 90 91 /* 92 * Combine disk cache flags of two drives to get common cache capabilities. 93 * All common flags are retained. Besides this, if one of the disks 94 * has a write cache enabled or changeable, propagate those flags into result, 95 * even if it's not shared, to indicate that write cache is present. 96 */ 97 #define DKCACHE_COMBINE(a, b) \ 98 (((a) & (b)) | (((a) | (b)) & (DKCACHE_WRITE|DKCACHE_WCHANGE))) 99 100 /* sync disk cache */ 101 #define DIOCCACHESYNC _IOW('d', 118, int) /* sync cache (force?) */ 102 103 /* bad sector list */ 104 #define DIOCBSLIST _IOWR('d', 119, struct disk_badsecinfo) /* get list */ 105 #define DIOCBSFLUSH _IO('d', 120) /* flush list */ 106 107 /* wedges */ 108 #define DIOCAWEDGE _IOWR('d', 121, struct dkwedge_info) /* add wedge */ 109 #define DIOCGWEDGEINFO _IOR('d', 122, struct dkwedge_info) /* get wedge inf */ 110 #define DIOCDWEDGE _IOW('d', 123, struct dkwedge_info) /* del wedge */ 111 #define DIOCLWEDGES _IOWR('d', 124, struct dkwedge_list) /* list wedges */ 112 113 /* disk buffer queue strategy */ 114 #define DIOCGSTRATEGY _IOR('d', 125, struct disk_strategy) 115 #define DIOCSSTRATEGY _IOW('d', 126, struct disk_strategy) 116 117 /* get disk-info dictionary */ 118 #define DIOCGDISKINFO _IOR('d', 127, struct plistref) 119 120 121 #define DIOCTUR _IOR('d', 128, int) /* test unit ready */ 122 123 /* 129 was DIOCGDISCARDPARAMS during 6.99 */ 124 /* 130 was DIOCDISCARD during 6.99 */ 125 126 /* trigger wedge auto discover */ 127 #define DIOCMWEDGES _IOR('d', 131, int) /* make wedges */ 128 129 /* query disk geometry */ 130 #define DIOCGSECTORSIZE _IOR('d', 133, u_int) /* sector size in bytes */ 131 #define DIOCGMEDIASIZE _IOR('d', 132, off_t) /* media size in bytes */ 132 133 /* mass removal */ 134 #define DIOCRMWEDGES _IOR('d', 134, int) /* remove all wedges */ 135 136 /* sector alignment */ 137 #define DIOCGSECTORALIGN _IOR('d', 135, struct disk_sectoralign) 138 139 #endif /* _SYS_DKIO_H_ */ 140
Indexes created Sat Sep 20 22:09:52 GMT 2025