17c478bd9Sstevel@tonic-gate /* 27c478bd9Sstevel@tonic-gate * CDDL HEADER START 37c478bd9Sstevel@tonic-gate * 47c478bd9Sstevel@tonic-gate * The contents of this file are subject to the terms of the 5f2be5148Sszhou * Common Development and Distribution License (the "License"). 6f2be5148Sszhou * You may not use this file except in compliance with the License. 77c478bd9Sstevel@tonic-gate * 87c478bd9Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 97c478bd9Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 107c478bd9Sstevel@tonic-gate * See the License for the specific language governing permissions 117c478bd9Sstevel@tonic-gate * and limitations under the License. 127c478bd9Sstevel@tonic-gate * 137c478bd9Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 147c478bd9Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 157c478bd9Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 167c478bd9Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 177c478bd9Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 187c478bd9Sstevel@tonic-gate * 197c478bd9Sstevel@tonic-gate * CDDL HEADER END 207c478bd9Sstevel@tonic-gate */ 217c478bd9Sstevel@tonic-gate /* 22*80c797c0SSharath M Srinivasan * Copyright (c) 2002, 2010, Oracle and/or its affiliates. All rights reserved. 237c478bd9Sstevel@tonic-gate */ 247c478bd9Sstevel@tonic-gate 257c478bd9Sstevel@tonic-gate #ifndef _SYS_EFI_PARTITION_H 267c478bd9Sstevel@tonic-gate #define _SYS_EFI_PARTITION_H 277c478bd9Sstevel@tonic-gate 287c478bd9Sstevel@tonic-gate #include <sys/uuid.h> 297c478bd9Sstevel@tonic-gate 307c478bd9Sstevel@tonic-gate #ifdef __cplusplus 317c478bd9Sstevel@tonic-gate extern "C" { 327c478bd9Sstevel@tonic-gate #endif 337c478bd9Sstevel@tonic-gate 347c478bd9Sstevel@tonic-gate /* 357c478bd9Sstevel@tonic-gate * GUID Partition Table Header 367c478bd9Sstevel@tonic-gate */ 377c478bd9Sstevel@tonic-gate 387c478bd9Sstevel@tonic-gate #define EFI_LABEL_SIZE 512 397c478bd9Sstevel@tonic-gate #define LEN_EFI_PAD (EFI_LABEL_SIZE - \ 407c478bd9Sstevel@tonic-gate ((5 * sizeof (diskaddr_t)) + \ 417c478bd9Sstevel@tonic-gate (7 * sizeof (uint_t)) + \ 427c478bd9Sstevel@tonic-gate (8 * sizeof (char)) + \ 437c478bd9Sstevel@tonic-gate (1 * (sizeof (struct uuid))))) 447c478bd9Sstevel@tonic-gate 457c478bd9Sstevel@tonic-gate #define EFI_SIGNATURE 0x5452415020494645ULL 467c478bd9Sstevel@tonic-gate 477c478bd9Sstevel@tonic-gate /* EFI Guid Partition Table Header -- little endian on-disk format */ 487c478bd9Sstevel@tonic-gate typedef struct efi_gpt { 497c478bd9Sstevel@tonic-gate uint64_t efi_gpt_Signature; 507c478bd9Sstevel@tonic-gate uint_t efi_gpt_Revision; 517c478bd9Sstevel@tonic-gate uint_t efi_gpt_HeaderSize; 527c478bd9Sstevel@tonic-gate uint_t efi_gpt_HeaderCRC32; 537c478bd9Sstevel@tonic-gate uint_t efi_gpt_Reserved1; 547c478bd9Sstevel@tonic-gate diskaddr_t efi_gpt_MyLBA; 557c478bd9Sstevel@tonic-gate diskaddr_t efi_gpt_AlternateLBA; 567c478bd9Sstevel@tonic-gate diskaddr_t efi_gpt_FirstUsableLBA; 577c478bd9Sstevel@tonic-gate diskaddr_t efi_gpt_LastUsableLBA; 587c478bd9Sstevel@tonic-gate struct uuid efi_gpt_DiskGUID; 597c478bd9Sstevel@tonic-gate diskaddr_t efi_gpt_PartitionEntryLBA; 607c478bd9Sstevel@tonic-gate uint_t efi_gpt_NumberOfPartitionEntries; 617c478bd9Sstevel@tonic-gate uint_t efi_gpt_SizeOfPartitionEntry; 627c478bd9Sstevel@tonic-gate uint_t efi_gpt_PartitionEntryArrayCRC32; 637c478bd9Sstevel@tonic-gate char efi_gpt_Reserved2[LEN_EFI_PAD]; 647c478bd9Sstevel@tonic-gate } efi_gpt_t; 657c478bd9Sstevel@tonic-gate 667c478bd9Sstevel@tonic-gate /* EFI Guid Partition Entry Attributes -- little endian format */ 677c478bd9Sstevel@tonic-gate typedef struct efi_gpe_Attrs { 687c478bd9Sstevel@tonic-gate uint32_t PartitionAttrs :16, 697c478bd9Sstevel@tonic-gate Reserved2 :16; 707c478bd9Sstevel@tonic-gate uint32_t Reserved1 :31, 717c478bd9Sstevel@tonic-gate RequiredPartition :1; 727c478bd9Sstevel@tonic-gate } efi_gpe_Attrs_t; 737c478bd9Sstevel@tonic-gate 747c478bd9Sstevel@tonic-gate /* 757c478bd9Sstevel@tonic-gate * 6a96237f-1dd2-11b2-99a6-080020736631 V_UNASSIGNED (not used as such) 767c478bd9Sstevel@tonic-gate * 6a82cb45-1dd2-11b2-99a6-080020736631 V_BOOT 777c478bd9Sstevel@tonic-gate * 6a85cf4d-1dd2-11b2-99a6-080020736631 V_ROOT 787c478bd9Sstevel@tonic-gate * 6a87c46f-1dd2-11b2-99a6-080020736631 V_SWAP 797c478bd9Sstevel@tonic-gate * 6a898cc3-1dd2-11b2-99a6-080020736631 V_USR 807c478bd9Sstevel@tonic-gate * 6a8b642b-1dd2-11b2-99a6-080020736631 V_BACKUP 817c478bd9Sstevel@tonic-gate * 6a8d2ac7-1dd2-11b2-99a6-080020736631 V_STAND (not used) 827c478bd9Sstevel@tonic-gate * 6a8ef2e9-1dd2-11b2-99a6-080020736631 V_VAR 837c478bd9Sstevel@tonic-gate * 6a90ba39-1dd2-11b2-99a6-080020736631 V_HOME 847c478bd9Sstevel@tonic-gate * 6a9283a5-1dd2-11b2-99a6-080020736631 V_ALTSCTR 857c478bd9Sstevel@tonic-gate * 6a945a3b-1dd2-11b2-99a6-080020736631 V_CACHE 867c478bd9Sstevel@tonic-gate */ 877c478bd9Sstevel@tonic-gate 887c478bd9Sstevel@tonic-gate #define EFI_UNUSED { 0x00000000, 0x0000, 0x0000, 0x00, 0x00, \ 897c478bd9Sstevel@tonic-gate { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } } 907c478bd9Sstevel@tonic-gate #define EFI_RESV1 { 0x6a96237f, 0x1dd2, 0x11b2, 0x99, 0xa6, \ 917c478bd9Sstevel@tonic-gate { 0x08, 0x00, 0x20, 0x73, 0x66, 0x31 } } 927c478bd9Sstevel@tonic-gate #define EFI_BOOT { 0x6a82cb45, 0x1dd2, 0x11b2, 0x99, 0xa6, \ 937c478bd9Sstevel@tonic-gate { 0x08, 0x00, 0x20, 0x73, 0x66, 0x31 } } 947c478bd9Sstevel@tonic-gate #define EFI_ROOT { 0x6a85cf4d, 0x1dd2, 0x11b2, 0x99, 0xa6, \ 957c478bd9Sstevel@tonic-gate { 0x08, 0x00, 0x20, 0x73, 0x66, 0x31 } } 967c478bd9Sstevel@tonic-gate #define EFI_SWAP { 0x6a87c46f, 0x1dd2, 0x11b2, 0x99, 0xa6, \ 977c478bd9Sstevel@tonic-gate { 0x08, 0x00, 0x20, 0x73, 0x66, 0x31 } } 987c478bd9Sstevel@tonic-gate #define EFI_USR { 0x6a898cc3, 0x1dd2, 0x11b2, 0x99, 0xa6, \ 997c478bd9Sstevel@tonic-gate { 0x08, 0x00, 0x20, 0x73, 0x66, 0x31 } } 1007c478bd9Sstevel@tonic-gate #define EFI_BACKUP { 0x6a8b642b, 0x1dd2, 0x11b2, 0x99, 0xa6, \ 1017c478bd9Sstevel@tonic-gate { 0x08, 0x00, 0x20, 0x73, 0x66, 0x31 } } 1027c478bd9Sstevel@tonic-gate #define EFI_RESV2 { 0x6a8d2ac7, 0x1dd2, 0x11b2, 0x99, 0xa6, \ 1037c478bd9Sstevel@tonic-gate { 0x08, 0x00, 0x20, 0x73, 0x66, 0x31 } } 1047c478bd9Sstevel@tonic-gate #define EFI_VAR { 0x6a8ef2e9, 0x1dd2, 0x11b2, 0x99, 0xa6, \ 1057c478bd9Sstevel@tonic-gate { 0x08, 0x00, 0x20, 0x73, 0x66, 0x31 } } 1067c478bd9Sstevel@tonic-gate #define EFI_HOME { 0x6a90ba39, 0x1dd2, 0x11b2, 0x99, 0xa6, \ 1077c478bd9Sstevel@tonic-gate { 0x08, 0x00, 0x20, 0x73, 0x66, 0x31 } } 1087c478bd9Sstevel@tonic-gate #define EFI_ALTSCTR { 0x6a9283a5, 0x1dd2, 0x11b2, 0x99, 0xa6, \ 1097c478bd9Sstevel@tonic-gate { 0x08, 0x00, 0x20, 0x73, 0x66, 0x31 } } 1107c478bd9Sstevel@tonic-gate #define EFI_RESERVED { 0x6a945a3b, 0x1dd2, 0x11b2, 0x99, 0xa6, \ 1117c478bd9Sstevel@tonic-gate { 0x08, 0x00, 0x20, 0x73, 0x66, 0x31 } } 1127c478bd9Sstevel@tonic-gate #define EFI_SYSTEM { 0xC12A7328, 0xF81F, 0x11d2, 0xBA, 0x4B, \ 1137c478bd9Sstevel@tonic-gate { 0x00, 0xA0, 0xC9, 0x3E, 0xC9, 0x3B } } 1147c478bd9Sstevel@tonic-gate #define EFI_LEGACY_MBR { 0x024DEE41, 0x33E7, 0x11d3, 0x9D, 0x69, \ 1157c478bd9Sstevel@tonic-gate { 0x00, 0x08, 0xC7, 0x81, 0xF3, 0x9F } } 116*80c797c0SSharath M Srinivasan #define EFI_SYMC_PUB { 0x6a9630d1, 0x1dd2, 0x11b2, 0x99, 0xa6, \ 1177c478bd9Sstevel@tonic-gate { 0x08, 0x00, 0x20, 0x73, 0x66, 0x31 } } 118*80c797c0SSharath M Srinivasan #define EFI_SYMC_CDS { 0x6a980767, 0x1dd2, 0x11b2, 0x99, 0xa6, \ 1197c478bd9Sstevel@tonic-gate { 0x08, 0x00, 0x20, 0x73, 0x66, 0x31 } } 1207c478bd9Sstevel@tonic-gate #define EFI_MSFT_RESV { 0xE3C9E316, 0x0B5C, 0x4DB8, 0x81, 0x7D, \ 1217c478bd9Sstevel@tonic-gate { 0xF9, 0x2D, 0xF0, 0x02, 0x15, 0xAE } } 1227c478bd9Sstevel@tonic-gate #define EFI_DELL_BASIC { 0xebd0a0a2, 0xb9e5, 0x4433, 0x87, 0xc0, \ 1237c478bd9Sstevel@tonic-gate { 0x68, 0xb6, 0xb7, 0x26, 0x99, 0xc7 } } 1247c478bd9Sstevel@tonic-gate #define EFI_DELL_RAID { 0xa19d880f, 0x05fc, 0x4d3b, 0xa0, 0x06, \ 1257c478bd9Sstevel@tonic-gate { 0x74, 0x3f, 0x0f, 0x84, 0x91, 0x1e } } 1267c478bd9Sstevel@tonic-gate #define EFI_DELL_SWAP { 0x0657fd6d, 0xa4ab, 0x43c4, 0x84, 0xe5, \ 1277c478bd9Sstevel@tonic-gate { 0x09, 0x33, 0xc8, 0x4b, 0x4f, 0x4f } } 1287c478bd9Sstevel@tonic-gate #define EFI_DELL_LVM { 0xe6d6d379, 0xf507, 0x44c2, 0xa2, 0x3c, \ 1297c478bd9Sstevel@tonic-gate { 0x23, 0x8f, 0x2a, 0x3d, 0xf9, 0x28 } } 1307c478bd9Sstevel@tonic-gate #define EFI_DELL_RESV { 0x8da63339, 0x0007, 0x60c0, 0xc4, 0x36, \ 1317c478bd9Sstevel@tonic-gate { 0x08, 0x3a, 0xc8, 0x23, 0x09, 0x08 } } 132f2be5148Sszhou #define EFI_AAPL_HFS { 0x48465300, 0x0000, 0x11aa, 0xaa, 0x11, \ 133f2be5148Sszhou { 0x00, 0x30, 0x65, 0x43, 0xec, 0xac } } 134f2be5148Sszhou #define EFI_AAPL_UFS { 0x55465300, 0x0000, 0x11aa, 0xaa, 0x11, \ 135f2be5148Sszhou { 0x00, 0x30, 0x65, 0x43, 0xec, 0xac } } 1367c478bd9Sstevel@tonic-gate 1378488aeb5Staylor /* minimum # of bytes for partition table entires, per EFI spec */ 1387c478bd9Sstevel@tonic-gate #define EFI_MIN_ARRAY_SIZE (16 * 1024) 1397c478bd9Sstevel@tonic-gate 1407c478bd9Sstevel@tonic-gate #define EFI_PART_NAME_LEN 36 1417c478bd9Sstevel@tonic-gate 1428488aeb5Staylor /* size of the "reserved" partition, in blocks */ 1438488aeb5Staylor #define EFI_MIN_RESV_SIZE (16 * 1024) 1448488aeb5Staylor 1457c478bd9Sstevel@tonic-gate /* EFI Guid Partition Entry */ 1467c478bd9Sstevel@tonic-gate typedef struct efi_gpe { 1477c478bd9Sstevel@tonic-gate struct uuid efi_gpe_PartitionTypeGUID; 1487c478bd9Sstevel@tonic-gate struct uuid efi_gpe_UniquePartitionGUID; 1497c478bd9Sstevel@tonic-gate diskaddr_t efi_gpe_StartingLBA; 1507c478bd9Sstevel@tonic-gate diskaddr_t efi_gpe_EndingLBA; 1517c478bd9Sstevel@tonic-gate efi_gpe_Attrs_t efi_gpe_Attributes; 1527c478bd9Sstevel@tonic-gate ushort_t efi_gpe_PartitionName[EFI_PART_NAME_LEN]; 1537c478bd9Sstevel@tonic-gate } efi_gpe_t; 1547c478bd9Sstevel@tonic-gate 1557c478bd9Sstevel@tonic-gate /* 1567c478bd9Sstevel@tonic-gate * passed to the useful (we hope) routines (efi_alloc_and_read and 1577c478bd9Sstevel@tonic-gate * efi_write) that take this VTOC-like struct. These routines handle 1587c478bd9Sstevel@tonic-gate * converting this struct into the EFI struct, generate UUIDs and 1597c478bd9Sstevel@tonic-gate * checksums, and perform any necessary byte-swapping to the on-disk 1607c478bd9Sstevel@tonic-gate * format. 1617c478bd9Sstevel@tonic-gate */ 1627c478bd9Sstevel@tonic-gate /* Solaris library abstraction for EFI partitons */ 1637c478bd9Sstevel@tonic-gate typedef struct dk_part { 1647c478bd9Sstevel@tonic-gate diskaddr_t p_start; /* starting LBA */ 1657c478bd9Sstevel@tonic-gate diskaddr_t p_size; /* size in blocks */ 1667c478bd9Sstevel@tonic-gate struct uuid p_guid; /* partion type GUID */ 1677c478bd9Sstevel@tonic-gate ushort_t p_tag; /* converted to part'n type GUID */ 1687c478bd9Sstevel@tonic-gate ushort_t p_flag; /* attributes */ 1697c478bd9Sstevel@tonic-gate char p_name[EFI_PART_NAME_LEN]; /* partition name */ 1707c478bd9Sstevel@tonic-gate struct uuid p_uguid; /* unique partition GUID */ 1717c478bd9Sstevel@tonic-gate uint_t p_resv[8]; /* future use - set to zero */ 1727c478bd9Sstevel@tonic-gate } dk_part_t; 1737c478bd9Sstevel@tonic-gate 1747c478bd9Sstevel@tonic-gate /* Solaris library abstraction for an EFI GPT */ 1757c478bd9Sstevel@tonic-gate #define EFI_VERSION102 0x00010002 1767c478bd9Sstevel@tonic-gate #define EFI_VERSION100 0x00010000 1777c478bd9Sstevel@tonic-gate #define EFI_VERSION_CURRENT EFI_VERSION100 1787c478bd9Sstevel@tonic-gate typedef struct dk_gpt { 1797c478bd9Sstevel@tonic-gate uint_t efi_version; /* set to EFI_VERSION_CURRENT */ 1807c478bd9Sstevel@tonic-gate uint_t efi_nparts; /* number of partitions below */ 1817c478bd9Sstevel@tonic-gate uint_t efi_part_size; /* size of each partition entry */ 1827c478bd9Sstevel@tonic-gate /* efi_part_size is unused */ 1837c478bd9Sstevel@tonic-gate uint_t efi_lbasize; /* size of block in bytes */ 1847c478bd9Sstevel@tonic-gate diskaddr_t efi_last_lba; /* last block on the disk */ 1857c478bd9Sstevel@tonic-gate diskaddr_t efi_first_u_lba; /* first block after labels */ 1867c478bd9Sstevel@tonic-gate diskaddr_t efi_last_u_lba; /* last block before backup labels */ 1877c478bd9Sstevel@tonic-gate struct uuid efi_disk_uguid; /* unique disk GUID */ 1887c478bd9Sstevel@tonic-gate uint_t efi_flags; 189af007057Syl uint_t efi_reserved1; /* future use - set to zero */ 190af007057Syl diskaddr_t efi_altern_lba; /* lba of alternate GPT header */ 191af007057Syl uint_t efi_reserved[12]; /* future use - set to zero */ 1927c478bd9Sstevel@tonic-gate struct dk_part efi_parts[1]; /* array of partitions */ 1937c478bd9Sstevel@tonic-gate } dk_gpt_t; 1947c478bd9Sstevel@tonic-gate 1957c478bd9Sstevel@tonic-gate /* possible values for "efi_flags" */ 1967c478bd9Sstevel@tonic-gate #define EFI_GPT_PRIMARY_CORRUPT 0x1 /* primary label corrupt */ 1977c478bd9Sstevel@tonic-gate 1987c478bd9Sstevel@tonic-gate /* the private ioctl between libefi and the driver */ 1997c478bd9Sstevel@tonic-gate typedef struct dk_efi { 2007c478bd9Sstevel@tonic-gate diskaddr_t dki_lba; /* starting block */ 2017c478bd9Sstevel@tonic-gate len_t dki_length; /* length in bytes */ 2027c478bd9Sstevel@tonic-gate union { 2037c478bd9Sstevel@tonic-gate efi_gpt_t *_dki_data; 2047c478bd9Sstevel@tonic-gate uint64_t _dki_data_64; 2057c478bd9Sstevel@tonic-gate } dki_un; 2067c478bd9Sstevel@tonic-gate #define dki_data dki_un._dki_data 2077c478bd9Sstevel@tonic-gate #define dki_data_64 dki_un._dki_data_64 2087c478bd9Sstevel@tonic-gate } dk_efi_t; 2097c478bd9Sstevel@tonic-gate 2107c478bd9Sstevel@tonic-gate struct partition64 { 2117c478bd9Sstevel@tonic-gate struct uuid p_type; 2127c478bd9Sstevel@tonic-gate uint_t p_partno; 2137c478bd9Sstevel@tonic-gate uint_t p_resv1; 2147c478bd9Sstevel@tonic-gate diskaddr_t p_start; 2157c478bd9Sstevel@tonic-gate diskaddr_t p_size; 2167c478bd9Sstevel@tonic-gate }; 2177c478bd9Sstevel@tonic-gate 2187c478bd9Sstevel@tonic-gate /* 2197c478bd9Sstevel@tonic-gate * Number of EFI partitions 2207c478bd9Sstevel@tonic-gate */ 2217c478bd9Sstevel@tonic-gate #define EFI_NUMPAR 9 2227c478bd9Sstevel@tonic-gate 2237c478bd9Sstevel@tonic-gate #ifndef _KERNEL 2247c478bd9Sstevel@tonic-gate extern int efi_alloc_and_init(int, uint32_t, struct dk_gpt **); 2257c478bd9Sstevel@tonic-gate extern int efi_alloc_and_read(int, struct dk_gpt **); 2267c478bd9Sstevel@tonic-gate extern int efi_write(int, struct dk_gpt *); 2277c478bd9Sstevel@tonic-gate extern void efi_free(struct dk_gpt *); 2287c478bd9Sstevel@tonic-gate extern int efi_type(int); 2297c478bd9Sstevel@tonic-gate extern void efi_err_check(struct dk_gpt *); 2307c478bd9Sstevel@tonic-gate extern int efi_auto_sense(int fd, struct dk_gpt **); 231af007057Syl extern int efi_use_whole_disk(int fd); 2327c478bd9Sstevel@tonic-gate #endif 2337c478bd9Sstevel@tonic-gate 2347c478bd9Sstevel@tonic-gate #ifdef __cplusplus 2357c478bd9Sstevel@tonic-gate } 2367c478bd9Sstevel@tonic-gate #endif 2377c478bd9Sstevel@tonic-gate 2387c478bd9Sstevel@tonic-gate #endif /* _SYS_EFI_PARTITION_H */ 239