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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 | /* * Copyright (c) 1998-2006 Apple Computer, Inc. All rights reserved. * * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ * * This file contains Original Code and/or Modifications of Original Code * as defined in and that are subject to the Apple Public Source License * Version 2.0 (the 'License'). You may not use this file except in * compliance with the License. The rights granted to you under the License * may not be used to create, or enable the creation or redistribution of, * unlawful or unlicensed copies of an Apple operating system, or to * circumvent, violate, or enable the circumvention or violation of, any * terms of an Apple operating system software license agreement. * * Please obtain a copy of the License at * http://www.opensource.apple.com/apsl/ and read it before using this file. * * The Original Code and all software distributed under the License are * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. * Please see the License for the specific language governing rights and * limitations under the License. * * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ */ #ifndef _SYS_DISK_H_ #define _SYS_DISK_H_ #include <stdint.h> #include <sys/ioctl.h> /* * Definitions * * ioctl description * ------------------------------------- --------------------------------------- * DKIOCEJECT eject media * DKIOCSYNCHRONIZECACHE flush media * * DKIOCFORMAT format media * DKIOCGETFORMATCAPACITIES get media's formattable capacities * * DKIOCGETBLOCKSIZE get media's block size * DKIOCGETBLOCKCOUNT get media's block count * DKIOCGETFIRMWAREPATH get media's firmware path * * DKIOCISFORMATTED is media formatted? * DKIOCISWRITABLE is media writable? * * DKIOCREQUESTIDLE idle media * DKIOCUNMAP delete unused data * * DKIOCGETMAXBLOCKCOUNTREAD get maximum block count for reads * DKIOCGETMAXBLOCKCOUNTWRITE get maximum block count for writes * DKIOCGETMAXBYTECOUNTREAD get maximum byte count for reads * DKIOCGETMAXBYTECOUNTWRITE get maximum byte count for writes * * DKIOCGETMAXSEGMENTCOUNTREAD get maximum segment count for reads * DKIOCGETMAXSEGMENTCOUNTWRITE get maximum segment count for writes * DKIOCGETMAXSEGMENTBYTECOUNTREAD get maximum segment byte count for reads * DKIOCGETMAXSEGMENTBYTECOUNTWRITE get maximum segment byte count for writes * * DKIOCGETMINSEGMENTALIGNMENTBYTECOUNT get minimum segment alignment in bytes * DKIOCGETMAXSEGMENTADDRESSABLEBITCOUNT get maximum segment width in bits * * DKIOCGETFEATURES get device's feature set * DKIOCGETPHYSICALBLOCKSIZE get device's block size * DKIOCGETCOMMANDPOOLSIZE get device's queue depth */ #define DK_FEATURE_UNMAP 0x00000010 typedef struct { uint64_t offset; uint64_t length; } dk_extent_t; typedef struct { char path[128]; } dk_firmware_path_t; typedef struct { uint64_t blockCount; uint32_t blockSize; uint8_t reserved0096[4]; /* reserved, clear to zero */ } dk_format_capacity_t; typedef struct { dk_format_capacity_t * capacities; uint32_t capacitiesCount; /* use zero to probe count */ #ifdef __LP64__ uint8_t reserved0096[4]; /* reserved, clear to zero */ #else /* !__LP64__ */ uint8_t reserved0064[8]; /* reserved, clear to zero */ #endif /* !__LP64__ */ } dk_format_capacities_t; typedef struct { dk_extent_t * extents; uint32_t extentsCount; #ifdef __LP64__ uint8_t reserved0096[4]; /* reserved, clear to zero */ #else /* !__LP64__ */ uint8_t reserved0064[8]; /* reserved, clear to zero */ #endif /* !__LP64__ */ } dk_unmap_t; #define DKIOCEJECT _IO('d', 21) #define DKIOCSYNCHRONIZECACHE _IO('d', 22) #define DKIOCFORMAT _IOW('d', 26, dk_format_capacity_t) #define DKIOCGETFORMATCAPACITIES _IOWR('d', 26, dk_format_capacities_t) #define DKIOCGETBLOCKSIZE _IOR('d', 24, uint32_t) #define DKIOCGETBLOCKCOUNT _IOR('d', 25, uint64_t) #define DKIOCGETFIRMWAREPATH _IOR('d', 28, dk_firmware_path_t) #define DKIOCISFORMATTED _IOR('d', 23, uint32_t) #define DKIOCISWRITABLE _IOR('d', 29, uint32_t) #define DKIOCREQUESTIDLE _IO('d', 30) #define DKIOCUNMAP _IOW('d', 31, dk_unmap_t) #define DKIOCGETMAXBLOCKCOUNTREAD _IOR('d', 64, uint64_t) #define DKIOCGETMAXBLOCKCOUNTWRITE _IOR('d', 65, uint64_t) #define DKIOCGETMAXBYTECOUNTREAD _IOR('d', 70, uint64_t) #define DKIOCGETMAXBYTECOUNTWRITE _IOR('d', 71, uint64_t) #define DKIOCGETMAXSEGMENTCOUNTREAD _IOR('d', 66, uint64_t) #define DKIOCGETMAXSEGMENTCOUNTWRITE _IOR('d', 67, uint64_t) #define DKIOCGETMAXSEGMENTBYTECOUNTREAD _IOR('d', 68, uint64_t) #define DKIOCGETMAXSEGMENTBYTECOUNTWRITE _IOR('d', 69, uint64_t) #define DKIOCGETMINSEGMENTALIGNMENTBYTECOUNT _IOR('d', 74, uint64_t) #define DKIOCGETMAXSEGMENTADDRESSABLEBITCOUNT _IOR('d', 75, uint64_t) #define DKIOCGETFEATURES _IOR('d', 76, uint32_t) #define DKIOCGETPHYSICALBLOCKSIZE _IOR('d', 77, uint32_t) #define DKIOCGETCOMMANDPOOLSIZE _IOR('d', 78, uint32_t) typedef struct { uint64_t offset; uint64_t length; uint8_t reserved0128[16]; /* reserved, clear to zero */ } dk_discard_t __attribute__ ((deprecated)); #define DKIOCDISCARD _IOW('d', 31, dk_discard_t) #ifdef KERNEL #define DK_FEATURE_FORCE_UNIT_ACCESS 0x00000001 typedef struct { uint64_t offset; uint64_t length; uint8_t reserved0128[12]; /* reserved, clear to zero */ dev_t dev; } dk_physical_extent_t; #define DKIOCGETBLOCKCOUNT32 _IOR('d', 25, uint32_t) #define DKIOCSETBLOCKSIZE _IOW('d', 24, uint32_t) #define DKIOCGETBSDUNIT _IOR('d', 27, uint32_t) #define DKIOCISSOLIDSTATE _IOR('d', 79, uint32_t) #define DKIOCISVIRTUAL _IOR('d', 72, uint32_t) #define DKIOCGETBASE _IOR('d', 73, uint64_t) #define DKIOCGETTHROTTLEMASK _IOR('d', 80, uint64_t) #define DKIOCLOCKPHYSICALEXTENTS _IO('d', 81) #define DKIOCGETPHYSICALEXTENT _IOWR('d', 82, dk_physical_extent_t) #define DKIOCUNLOCKPHYSICALEXTENTS _IO('d', 83) #endif /* KERNEL */ #endif /* _SYS_DISK_H_ */ |