| 1 | /*␊ |
| 2 | * Copyright (c) 1998-2009 Apple Inc. All rights reserved.␊ |
| 3 | *␊ |
| 4 | * @APPLE_LICENSE_HEADER_START@␊ |
| 5 | * ␊ |
| 6 | * This file contains Original Code and/or Modifications of Original Code␊ |
| 7 | * as defined in and that are subject to the Apple Public Source License␊ |
| 8 | * Version 2.0 (the 'License'). You may not use this file except in␊ |
| 9 | * compliance with the License. Please obtain a copy of the License at␊ |
| 10 | * http://www.opensource.apple.com/apsl/ and read it before using this␊ |
| 11 | * file.␊ |
| 12 | * ␊ |
| 13 | * The Original Code and all software distributed under the License are␊ |
| 14 | * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER␊ |
| 15 | * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,␊ |
| 16 | * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,␊ |
| 17 | * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.␊ |
| 18 | * Please see the License for the specific language governing rights and␊ |
| 19 | * limitations under the License.␊ |
| 20 | * ␊ |
| 21 | * @APPLE_LICENSE_HEADER_END@␊ |
| 22 | */␊ |
| 23 | ␊ |
| 24 | /*␊ |
| 25 | * This header contains the IOGUIDPartitionScheme class definition.␊ |
| 26 | */␊ |
| 27 | ␊ |
| 28 | #ifndef _IOGUIDPARTITIONSCHEME_H␊ |
| 29 | #define _IOGUIDPARTITIONSCHEME_H␊ |
| 30 | ␊ |
| 31 | #include <IOKit/IOTypes.h>␊ |
| 32 | ␊ |
| 33 | typedef unsigned char uuid_t[16];␊ |
| 34 | /*␊ |
| 35 | * kIOGUIDPartitionSchemeClass is the name of the IOGUIDPartitionScheme class.␊ |
| 36 | */␊ |
| 37 | ␊ |
| 38 | #define kIOGUIDPartitionSchemeClass "IOGUIDPartitionScheme"␊ |
| 39 | ␊ |
| 40 | ␊ |
| 41 | #pragma pack(push, 1) /* (enable 8-bit struct packing) */␊ |
| 42 | ␊ |
| 43 | /* Partition map. */␊ |
| 44 | ␊ |
| 45 | struct gpt_hdr␊ |
| 46 | {␊ |
| 47 | uint8_t hdr_sig[8];␊ |
| 48 | uint32_t hdr_revision;␊ |
| 49 | uint32_t hdr_size;␊ |
| 50 | uint32_t hdr_crc_self;␊ |
| 51 | uint32_t __reserved;␊ |
| 52 | uint64_t hdr_lba_self;␊ |
| 53 | uint64_t hdr_lba_alt;␊ |
| 54 | uint64_t hdr_lba_start;␊ |
| 55 | uint64_t hdr_lba_end;␊ |
| 56 | uuid_t hdr_uuid;␊ |
| 57 | uint64_t hdr_lba_table;␊ |
| 58 | uint32_t hdr_entries;␊ |
| 59 | uint32_t hdr_entsz;␊ |
| 60 | uint32_t hdr_crc_table;␊ |
| 61 | uint32_t padding;␊ |
| 62 | };␊ |
| 63 | ␊ |
| 64 | /* Partition map entry. */␊ |
| 65 | ␊ |
| 66 | struct gpt_ent␊ |
| 67 | {␊ |
| 68 | uuid_t ent_type;␊ |
| 69 | uuid_t ent_uuid;␊ |
| 70 | uint64_t ent_lba_start;␊ |
| 71 | uint64_t ent_lba_end;␊ |
| 72 | uint64_t ent_attr;␊ |
| 73 | uint16_t ent_name[36];␊ |
| 74 | };␊ |
| 75 | ␊ |
| 76 | /* Partition map signature (hdr_sig). */␊ |
| 77 | ␊ |
| 78 | #define GPT_HDR_SIG "EFI PART"␊ |
| 79 | ␊ |
| 80 | /* Partition map version (hdr_revision). */␊ |
| 81 | ␊ |
| 82 | #define GPT_HDR_REVISION 0x00010000␊ |
| 83 | ␊ |
| 84 | /* Partition map entry flags (ent_attr). */␊ |
| 85 | ␊ |
| 86 | #define GPT_ENT_ATTR_PLATFORM 0x00000001␊ |
| 87 | ␊ |
| 88 | #pragma pack(pop) /* (reset to default struct packing) */␊ |
| 89 | ␊ |
| 90 | #endif /* !_IOGUIDPARTITIONSCHEME_H */␊ |
| 91 | |
