diff options
Diffstat (limited to 'block/partitions/efi.h')
| -rw-r--r-- | block/partitions/efi.h | 69 |
1 files changed, 25 insertions, 44 deletions
diff --git a/block/partitions/efi.h b/block/partitions/efi.h index b69ab729558f..84b9f36b9e47 100644 --- a/block/partitions/efi.h +++ b/block/partitions/efi.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /************************************************************ * EFI GUID Partition Table * Per Intel EFI Specification v1.02 @@ -5,21 +6,6 @@ * * By Matt Domsch <Matt_Domsch@dell.com> Fri Sep 22 22:15:56 CDT 2000 * Copyright 2000,2001 Dell Inc. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - * ************************************************************/ #ifndef FS_PART_EFI_H_INCLUDED @@ -27,16 +13,19 @@ #include <linux/types.h> #include <linux/fs.h> -#include <linux/genhd.h> #include <linux/kernel.h> #include <linux/major.h> #include <linux/string.h> #include <linux/efi.h> +#include <linux/compiler.h> #define MSDOS_MBR_SIGNATURE 0xaa55 #define EFI_PMBR_OSTYPE_EFI 0xEF #define EFI_PMBR_OSTYPE_EFI_GPT 0xEE +#define GPT_MBR_PROTECTIVE 1 +#define GPT_MBR_HYBRID 2 + #define GPT_HEADER_SIGNATURE 0x5452415020494645ULL #define GPT_HEADER_REVISION_V1 0x00010000 #define GPT_PRIMARY_PARTITION_TABLE_LBA 1 @@ -84,13 +73,13 @@ typedef struct _gpt_header { * * uint8_t reserved2[ BlockSize - 92 ]; */ -} __attribute__ ((packed)) gpt_header; +} __packed gpt_header; typedef struct _gpt_entry_attributes { u64 required_to_function:1; u64 reserved:47; u64 type_guid_specific:16; -} __attribute__ ((packed)) gpt_entry_attributes; +} __packed gpt_entry_attributes; typedef struct _gpt_entry { efi_guid_t partition_type_guid; @@ -98,37 +87,29 @@ typedef struct _gpt_entry { __le64 starting_lba; __le64 ending_lba; gpt_entry_attributes attributes; - efi_char16_t partition_name[72 / sizeof (efi_char16_t)]; -} __attribute__ ((packed)) gpt_entry; + __le16 partition_name[72/sizeof(__le16)]; +} __packed gpt_entry; + +typedef struct _gpt_mbr_record { + u8 boot_indicator; /* unused by EFI, set to 0x80 for bootable */ + u8 start_head; /* unused by EFI, pt start in CHS */ + u8 start_sector; /* unused by EFI, pt start in CHS */ + u8 start_track; + u8 os_type; /* EFI and legacy non-EFI OS types */ + u8 end_head; /* unused by EFI, pt end in CHS */ + u8 end_sector; /* unused by EFI, pt end in CHS */ + u8 end_track; /* unused by EFI, pt end in CHS */ + __le32 starting_lba; /* used by EFI - start addr of the on disk pt */ + __le32 size_in_lba; /* used by EFI - size of pt in LBA */ +} __packed gpt_mbr_record; + typedef struct _legacy_mbr { u8 boot_code[440]; __le32 unique_mbr_signature; __le16 unknown; - struct partition partition_record[4]; + gpt_mbr_record partition_record[4]; __le16 signature; -} __attribute__ ((packed)) legacy_mbr; - -/* Functions */ -extern int efi_partition(struct parsed_partitions *state); +} __packed legacy_mbr; #endif - -/* - * Overrides for Emacs so that we follow Linus's tabbing style. - * Emacs will notice this stuff at the end of the file and automatically - * adjust the settings for this buffer only. This must remain at the end - * of the file. - * -------------------------------------------------------------------------- - * Local variables: - * c-indent-level: 4 - * c-brace-imaginary-offset: 0 - * c-brace-offset: -4 - * c-argdecl-indent: 4 - * c-label-offset: -4 - * c-continued-statement-offset: 4 - * c-continued-brace-offset: 0 - * indent-tabs-mode: nil - * tab-width: 8 - * End: - */ |