1*0Sstevel@tonic-gate /* 2*0Sstevel@tonic-gate * CDDL HEADER START 3*0Sstevel@tonic-gate * 4*0Sstevel@tonic-gate * The contents of this file are subject to the terms of the 5*0Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only 6*0Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance 7*0Sstevel@tonic-gate * with the License. 8*0Sstevel@tonic-gate * 9*0Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10*0Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 11*0Sstevel@tonic-gate * See the License for the specific language governing permissions 12*0Sstevel@tonic-gate * and limitations under the License. 13*0Sstevel@tonic-gate * 14*0Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 15*0Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16*0Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 17*0Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 18*0Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 19*0Sstevel@tonic-gate * 20*0Sstevel@tonic-gate * CDDL HEADER END 21*0Sstevel@tonic-gate */ 22*0Sstevel@tonic-gate /* 23*0Sstevel@tonic-gate * Copyright 2005 Sun Microsystems, Inc. All rights reserved. 24*0Sstevel@tonic-gate * Use is subject to license terms. 25*0Sstevel@tonic-gate */ 26*0Sstevel@tonic-gate 27*0Sstevel@tonic-gate #ifndef _SYS_EFI_PARTITION_H 28*0Sstevel@tonic-gate #define _SYS_EFI_PARTITION_H 29*0Sstevel@tonic-gate 30*0Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 31*0Sstevel@tonic-gate 32*0Sstevel@tonic-gate #include <sys/uuid.h> 33*0Sstevel@tonic-gate 34*0Sstevel@tonic-gate #ifdef __cplusplus 35*0Sstevel@tonic-gate extern "C" { 36*0Sstevel@tonic-gate #endif 37*0Sstevel@tonic-gate 38*0Sstevel@tonic-gate /* 39*0Sstevel@tonic-gate * GUID Partition Table Header 40*0Sstevel@tonic-gate */ 41*0Sstevel@tonic-gate 42*0Sstevel@tonic-gate #define EFI_LABEL_SIZE 512 43*0Sstevel@tonic-gate #define LEN_EFI_PAD (EFI_LABEL_SIZE - \ 44*0Sstevel@tonic-gate ((5 * sizeof (diskaddr_t)) + \ 45*0Sstevel@tonic-gate (7 * sizeof (uint_t)) + \ 46*0Sstevel@tonic-gate (8 * sizeof (char)) + \ 47*0Sstevel@tonic-gate (1 * (sizeof (struct uuid))))) 48*0Sstevel@tonic-gate 49*0Sstevel@tonic-gate #define EFI_SIGNATURE 0x5452415020494645ULL 50*0Sstevel@tonic-gate 51*0Sstevel@tonic-gate /* EFI Guid Partition Table Header -- little endian on-disk format */ 52*0Sstevel@tonic-gate typedef struct efi_gpt { 53*0Sstevel@tonic-gate uint64_t efi_gpt_Signature; 54*0Sstevel@tonic-gate uint_t efi_gpt_Revision; 55*0Sstevel@tonic-gate uint_t efi_gpt_HeaderSize; 56*0Sstevel@tonic-gate uint_t efi_gpt_HeaderCRC32; 57*0Sstevel@tonic-gate uint_t efi_gpt_Reserved1; 58*0Sstevel@tonic-gate diskaddr_t efi_gpt_MyLBA; 59*0Sstevel@tonic-gate diskaddr_t efi_gpt_AlternateLBA; 60*0Sstevel@tonic-gate diskaddr_t efi_gpt_FirstUsableLBA; 61*0Sstevel@tonic-gate diskaddr_t efi_gpt_LastUsableLBA; 62*0Sstevel@tonic-gate struct uuid efi_gpt_DiskGUID; 63*0Sstevel@tonic-gate diskaddr_t efi_gpt_PartitionEntryLBA; 64*0Sstevel@tonic-gate uint_t efi_gpt_NumberOfPartitionEntries; 65*0Sstevel@tonic-gate uint_t efi_gpt_SizeOfPartitionEntry; 66*0Sstevel@tonic-gate uint_t efi_gpt_PartitionEntryArrayCRC32; 67*0Sstevel@tonic-gate char efi_gpt_Reserved2[LEN_EFI_PAD]; 68*0Sstevel@tonic-gate } efi_gpt_t; 69*0Sstevel@tonic-gate 70*0Sstevel@tonic-gate /* EFI Guid Partition Entry Attributes -- little endian format */ 71*0Sstevel@tonic-gate typedef struct efi_gpe_Attrs { 72*0Sstevel@tonic-gate uint32_t PartitionAttrs :16, 73*0Sstevel@tonic-gate Reserved2 :16; 74*0Sstevel@tonic-gate uint32_t Reserved1 :31, 75*0Sstevel@tonic-gate RequiredPartition :1; 76*0Sstevel@tonic-gate } efi_gpe_Attrs_t; 77*0Sstevel@tonic-gate 78*0Sstevel@tonic-gate /* 79*0Sstevel@tonic-gate * 6a96237f-1dd2-11b2-99a6-080020736631 V_UNASSIGNED (not used as such) 80*0Sstevel@tonic-gate * 6a82cb45-1dd2-11b2-99a6-080020736631 V_BOOT 81*0Sstevel@tonic-gate * 6a85cf4d-1dd2-11b2-99a6-080020736631 V_ROOT 82*0Sstevel@tonic-gate * 6a87c46f-1dd2-11b2-99a6-080020736631 V_SWAP 83*0Sstevel@tonic-gate * 6a898cc3-1dd2-11b2-99a6-080020736631 V_USR 84*0Sstevel@tonic-gate * 6a8b642b-1dd2-11b2-99a6-080020736631 V_BACKUP 85*0Sstevel@tonic-gate * 6a8d2ac7-1dd2-11b2-99a6-080020736631 V_STAND (not used) 86*0Sstevel@tonic-gate * 6a8ef2e9-1dd2-11b2-99a6-080020736631 V_VAR 87*0Sstevel@tonic-gate * 6a90ba39-1dd2-11b2-99a6-080020736631 V_HOME 88*0Sstevel@tonic-gate * 6a9283a5-1dd2-11b2-99a6-080020736631 V_ALTSCTR 89*0Sstevel@tonic-gate * 6a945a3b-1dd2-11b2-99a6-080020736631 V_CACHE 90*0Sstevel@tonic-gate */ 91*0Sstevel@tonic-gate 92*0Sstevel@tonic-gate #define EFI_UNUSED { 0x00000000, 0x0000, 0x0000, 0x00, 0x00, \ 93*0Sstevel@tonic-gate { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } } 94*0Sstevel@tonic-gate #define EFI_RESV1 { 0x6a96237f, 0x1dd2, 0x11b2, 0x99, 0xa6, \ 95*0Sstevel@tonic-gate { 0x08, 0x00, 0x20, 0x73, 0x66, 0x31 } } 96*0Sstevel@tonic-gate #define EFI_BOOT { 0x6a82cb45, 0x1dd2, 0x11b2, 0x99, 0xa6, \ 97*0Sstevel@tonic-gate { 0x08, 0x00, 0x20, 0x73, 0x66, 0x31 } } 98*0Sstevel@tonic-gate #define EFI_ROOT { 0x6a85cf4d, 0x1dd2, 0x11b2, 0x99, 0xa6, \ 99*0Sstevel@tonic-gate { 0x08, 0x00, 0x20, 0x73, 0x66, 0x31 } } 100*0Sstevel@tonic-gate #define EFI_SWAP { 0x6a87c46f, 0x1dd2, 0x11b2, 0x99, 0xa6, \ 101*0Sstevel@tonic-gate { 0x08, 0x00, 0x20, 0x73, 0x66, 0x31 } } 102*0Sstevel@tonic-gate #define EFI_USR { 0x6a898cc3, 0x1dd2, 0x11b2, 0x99, 0xa6, \ 103*0Sstevel@tonic-gate { 0x08, 0x00, 0x20, 0x73, 0x66, 0x31 } } 104*0Sstevel@tonic-gate #define EFI_BACKUP { 0x6a8b642b, 0x1dd2, 0x11b2, 0x99, 0xa6, \ 105*0Sstevel@tonic-gate { 0x08, 0x00, 0x20, 0x73, 0x66, 0x31 } } 106*0Sstevel@tonic-gate #define EFI_RESV2 { 0x6a8d2ac7, 0x1dd2, 0x11b2, 0x99, 0xa6, \ 107*0Sstevel@tonic-gate { 0x08, 0x00, 0x20, 0x73, 0x66, 0x31 } } 108*0Sstevel@tonic-gate #define EFI_VAR { 0x6a8ef2e9, 0x1dd2, 0x11b2, 0x99, 0xa6, \ 109*0Sstevel@tonic-gate { 0x08, 0x00, 0x20, 0x73, 0x66, 0x31 } } 110*0Sstevel@tonic-gate #define EFI_HOME { 0x6a90ba39, 0x1dd2, 0x11b2, 0x99, 0xa6, \ 111*0Sstevel@tonic-gate { 0x08, 0x00, 0x20, 0x73, 0x66, 0x31 } } 112*0Sstevel@tonic-gate #define EFI_ALTSCTR { 0x6a9283a5, 0x1dd2, 0x11b2, 0x99, 0xa6, \ 113*0Sstevel@tonic-gate { 0x08, 0x00, 0x20, 0x73, 0x66, 0x31 } } 114*0Sstevel@tonic-gate #define EFI_RESERVED { 0x6a945a3b, 0x1dd2, 0x11b2, 0x99, 0xa6, \ 115*0Sstevel@tonic-gate { 0x08, 0x00, 0x20, 0x73, 0x66, 0x31 } } 116*0Sstevel@tonic-gate #define EFI_SYSTEM { 0xC12A7328, 0xF81F, 0x11d2, 0xBA, 0x4B, \ 117*0Sstevel@tonic-gate { 0x00, 0xA0, 0xC9, 0x3E, 0xC9, 0x3B } } 118*0Sstevel@tonic-gate #define EFI_LEGACY_MBR { 0x024DEE41, 0x33E7, 0x11d3, 0x9D, 0x69, \ 119*0Sstevel@tonic-gate { 0x00, 0x08, 0xC7, 0x81, 0xF3, 0x9F } } 120*0Sstevel@tonic-gate #define EFI_RESV3 { 0x6a9630d1, 0x1dd2, 0x11b2, 0x99, 0xa6, \ 121*0Sstevel@tonic-gate { 0x08, 0x00, 0x20, 0x73, 0x66, 0x31 } } 122*0Sstevel@tonic-gate #define EFI_RESV4 { 0x6a980767, 0x1dd2, 0x11b2, 0x99, 0xa6, \ 123*0Sstevel@tonic-gate { 0x08, 0x00, 0x20, 0x73, 0x66, 0x31 } } 124*0Sstevel@tonic-gate #define EFI_MSFT_RESV { 0xE3C9E316, 0x0B5C, 0x4DB8, 0x81, 0x7D, \ 125*0Sstevel@tonic-gate { 0xF9, 0x2D, 0xF0, 0x02, 0x15, 0xAE } } 126*0Sstevel@tonic-gate #define EFI_DELL_BASIC { 0xebd0a0a2, 0xb9e5, 0x4433, 0x87, 0xc0, \ 127*0Sstevel@tonic-gate { 0x68, 0xb6, 0xb7, 0x26, 0x99, 0xc7 } } 128*0Sstevel@tonic-gate #define EFI_DELL_RAID { 0xa19d880f, 0x05fc, 0x4d3b, 0xa0, 0x06, \ 129*0Sstevel@tonic-gate { 0x74, 0x3f, 0x0f, 0x84, 0x91, 0x1e } } 130*0Sstevel@tonic-gate #define EFI_DELL_SWAP { 0x0657fd6d, 0xa4ab, 0x43c4, 0x84, 0xe5, \ 131*0Sstevel@tonic-gate { 0x09, 0x33, 0xc8, 0x4b, 0x4f, 0x4f } } 132*0Sstevel@tonic-gate #define EFI_DELL_LVM { 0xe6d6d379, 0xf507, 0x44c2, 0xa2, 0x3c, \ 133*0Sstevel@tonic-gate { 0x23, 0x8f, 0x2a, 0x3d, 0xf9, 0x28 } } 134*0Sstevel@tonic-gate #define EFI_DELL_RESV { 0x8da63339, 0x0007, 0x60c0, 0xc4, 0x36, \ 135*0Sstevel@tonic-gate { 0x08, 0x3a, 0xc8, 0x23, 0x09, 0x08 } } 136*0Sstevel@tonic-gate 137*0Sstevel@tonic-gate #define EFI_MIN_ARRAY_SIZE (16 * 1024) 138*0Sstevel@tonic-gate 139*0Sstevel@tonic-gate #define EFI_PART_NAME_LEN 36 140*0Sstevel@tonic-gate 141*0Sstevel@tonic-gate /* EFI Guid Partition Entry */ 142*0Sstevel@tonic-gate typedef struct efi_gpe { 143*0Sstevel@tonic-gate struct uuid efi_gpe_PartitionTypeGUID; 144*0Sstevel@tonic-gate struct uuid efi_gpe_UniquePartitionGUID; 145*0Sstevel@tonic-gate diskaddr_t efi_gpe_StartingLBA; 146*0Sstevel@tonic-gate diskaddr_t efi_gpe_EndingLBA; 147*0Sstevel@tonic-gate efi_gpe_Attrs_t efi_gpe_Attributes; 148*0Sstevel@tonic-gate ushort_t efi_gpe_PartitionName[EFI_PART_NAME_LEN]; 149*0Sstevel@tonic-gate } efi_gpe_t; 150*0Sstevel@tonic-gate 151*0Sstevel@tonic-gate /* 152*0Sstevel@tonic-gate * passed to the useful (we hope) routines (efi_alloc_and_read and 153*0Sstevel@tonic-gate * efi_write) that take this VTOC-like struct. These routines handle 154*0Sstevel@tonic-gate * converting this struct into the EFI struct, generate UUIDs and 155*0Sstevel@tonic-gate * checksums, and perform any necessary byte-swapping to the on-disk 156*0Sstevel@tonic-gate * format. 157*0Sstevel@tonic-gate */ 158*0Sstevel@tonic-gate /* Solaris library abstraction for EFI partitons */ 159*0Sstevel@tonic-gate typedef struct dk_part { 160*0Sstevel@tonic-gate diskaddr_t p_start; /* starting LBA */ 161*0Sstevel@tonic-gate diskaddr_t p_size; /* size in blocks */ 162*0Sstevel@tonic-gate struct uuid p_guid; /* partion type GUID */ 163*0Sstevel@tonic-gate ushort_t p_tag; /* converted to part'n type GUID */ 164*0Sstevel@tonic-gate ushort_t p_flag; /* attributes */ 165*0Sstevel@tonic-gate char p_name[EFI_PART_NAME_LEN]; /* partition name */ 166*0Sstevel@tonic-gate struct uuid p_uguid; /* unique partition GUID */ 167*0Sstevel@tonic-gate uint_t p_resv[8]; /* future use - set to zero */ 168*0Sstevel@tonic-gate } dk_part_t; 169*0Sstevel@tonic-gate 170*0Sstevel@tonic-gate /* Solaris library abstraction for an EFI GPT */ 171*0Sstevel@tonic-gate #define EFI_VERSION102 0x00010002 172*0Sstevel@tonic-gate #define EFI_VERSION100 0x00010000 173*0Sstevel@tonic-gate #define EFI_VERSION_CURRENT EFI_VERSION100 174*0Sstevel@tonic-gate typedef struct dk_gpt { 175*0Sstevel@tonic-gate uint_t efi_version; /* set to EFI_VERSION_CURRENT */ 176*0Sstevel@tonic-gate uint_t efi_nparts; /* number of partitions below */ 177*0Sstevel@tonic-gate uint_t efi_part_size; /* size of each partition entry */ 178*0Sstevel@tonic-gate /* efi_part_size is unused */ 179*0Sstevel@tonic-gate uint_t efi_lbasize; /* size of block in bytes */ 180*0Sstevel@tonic-gate diskaddr_t efi_last_lba; /* last block on the disk */ 181*0Sstevel@tonic-gate diskaddr_t efi_first_u_lba; /* first block after labels */ 182*0Sstevel@tonic-gate diskaddr_t efi_last_u_lba; /* last block before backup labels */ 183*0Sstevel@tonic-gate struct uuid efi_disk_uguid; /* unique disk GUID */ 184*0Sstevel@tonic-gate uint_t efi_flags; 185*0Sstevel@tonic-gate uint_t efi_reserved[15]; /* future use - set to zero */ 186*0Sstevel@tonic-gate struct dk_part efi_parts[1]; /* array of partitions */ 187*0Sstevel@tonic-gate } dk_gpt_t; 188*0Sstevel@tonic-gate 189*0Sstevel@tonic-gate /* possible values for "efi_flags" */ 190*0Sstevel@tonic-gate #define EFI_GPT_PRIMARY_CORRUPT 0x1 /* primary label corrupt */ 191*0Sstevel@tonic-gate 192*0Sstevel@tonic-gate /* the private ioctl between libefi and the driver */ 193*0Sstevel@tonic-gate typedef struct dk_efi { 194*0Sstevel@tonic-gate diskaddr_t dki_lba; /* starting block */ 195*0Sstevel@tonic-gate len_t dki_length; /* length in bytes */ 196*0Sstevel@tonic-gate union { 197*0Sstevel@tonic-gate efi_gpt_t *_dki_data; 198*0Sstevel@tonic-gate uint64_t _dki_data_64; 199*0Sstevel@tonic-gate } dki_un; 200*0Sstevel@tonic-gate #define dki_data dki_un._dki_data 201*0Sstevel@tonic-gate #define dki_data_64 dki_un._dki_data_64 202*0Sstevel@tonic-gate } dk_efi_t; 203*0Sstevel@tonic-gate 204*0Sstevel@tonic-gate struct partition64 { 205*0Sstevel@tonic-gate struct uuid p_type; 206*0Sstevel@tonic-gate uint_t p_partno; 207*0Sstevel@tonic-gate uint_t p_resv1; 208*0Sstevel@tonic-gate diskaddr_t p_start; 209*0Sstevel@tonic-gate diskaddr_t p_size; 210*0Sstevel@tonic-gate }; 211*0Sstevel@tonic-gate 212*0Sstevel@tonic-gate /* 213*0Sstevel@tonic-gate * Number of EFI partitions 214*0Sstevel@tonic-gate */ 215*0Sstevel@tonic-gate #define EFI_NUMPAR 9 216*0Sstevel@tonic-gate 217*0Sstevel@tonic-gate #ifndef _KERNEL 218*0Sstevel@tonic-gate extern int efi_alloc_and_init(int, uint32_t, struct dk_gpt **); 219*0Sstevel@tonic-gate extern int efi_alloc_and_read(int, struct dk_gpt **); 220*0Sstevel@tonic-gate extern int efi_write(int, struct dk_gpt *); 221*0Sstevel@tonic-gate extern void efi_free(struct dk_gpt *); 222*0Sstevel@tonic-gate extern int efi_type(int); 223*0Sstevel@tonic-gate extern void efi_err_check(struct dk_gpt *); 224*0Sstevel@tonic-gate extern int efi_auto_sense(int fd, struct dk_gpt **); 225*0Sstevel@tonic-gate #endif 226*0Sstevel@tonic-gate 227*0Sstevel@tonic-gate #ifdef __cplusplus 228*0Sstevel@tonic-gate } 229*0Sstevel@tonic-gate #endif 230*0Sstevel@tonic-gate 231*0Sstevel@tonic-gate #endif /* _SYS_EFI_PARTITION_H */ 232