diff options
Diffstat (limited to 'include/efi')
| -rw-r--r-- | include/efi/debug_ll.h | 3 | ||||
| -rw-r--r-- | include/efi/device-path.h | 388 | ||||
| -rw-r--r-- | include/efi/efi-device.h | 6 | ||||
| -rw-r--r-- | include/efi/efi-payload.h (renamed from include/efi/efi.h) | 12 | ||||
| -rw-r--r-- | include/efi/efi-stdio.h | 100 | ||||
| -rw-r--r-- | include/efi/efi-util.h | 14 | ||||
| -rw-r--r-- | include/efi/partition.h | 119 |
7 files changed, 634 insertions, 8 deletions
diff --git a/include/efi/debug_ll.h b/include/efi/debug_ll.h index 4ca72de312..279e8995f2 100644 --- a/include/efi/debug_ll.h +++ b/include/efi/debug_ll.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ #ifndef __MACH_DEBUG_LL_H__ #define __MACH_DEBUG_LL_H__ @@ -5,7 +6,7 @@ #define EFI_DEBUG_CLEAR_MEMORY 0 #include <efi.h> -#include <efi/efi.h> +#include <efi/efi-payload.h> static inline void PUTC_LL(char c) { diff --git a/include/efi/device-path.h b/include/efi/device-path.h new file mode 100644 index 0000000000..f3af71465b --- /dev/null +++ b/include/efi/device-path.h @@ -0,0 +1,388 @@ +#ifndef __EFI_DEVICE_PATH_H +#define __EFI_DEVICE_PATH_H + +/* + * Hardware Device Path (UEFI 2.4 specification, version 2.4 § 9.3.2.) + */ + +#define HARDWARE_DEVICE_PATH 0x01 + +#define HW_PCI_DP 0x01 +struct pci_device_path { + struct efi_device_path header; + u8 Function; + u8 Device; +}; + +#define HW_PCCARD_DP 0x02 +struct pccard_device_path { + struct efi_device_path header; + u8 function_number; +}; + +#define HW_MEMMAP_DP 0x03 +struct memmap_device_path { + struct efi_device_path header; + u32 memory_type; + efi_physical_addr_t starting_address; + efi_physical_addr_t ending_address; +}; + +#define HW_VENDOR_DP 0x04 +struct vendor_device_path { + struct efi_device_path header; + efi_guid_t Guid; +}; + +struct unknown_device_vendor_device_path { + struct vendor_device_path device_path; + u8 legacy_drive_letter; +}; + +#define HW_CONTROLLER_DP 0x05 +struct controller_device_path { + struct efi_device_path header; + u32 Controller; +}; + +/* + * ACPI Device Path (UEFI 2.4 specification, version 2.4 § 9.3.3 and 9.3.4.) + */ +#define ACPI_DEVICE_PATH 0x02 + +#define ACPI_DP 0x01 +struct acpi_hid_device_path { + struct efi_device_path header; + u32 HID; + u32 UID; +}; + +#define EXPANDED_ACPI_DP 0x02 +struct expanded_acpi_hid_device_path { + struct efi_device_path header; + u32 HID; + u32 UID; + u32 CID; + u8 hid_str[1]; +}; + +#define ACPI_ADR_DP 3 +struct acpi_adr_device_path { + struct efi_device_path header; + u32 ADR; +}; + +/* + * EISA ID Macro + * EISA ID Definition 32-bits + * bits[15:0] - three character compressed ASCII EISA ID. + * bits[31:16] - binary number + * Compressed ASCII is 5 bits per character 0b00001 = 'A' 0b11010 = 'Z' + */ +#define PNP_EISA_ID_CONST 0x41d0 +#define EISA_ID(_Name, _Num) ((u32) ((_Name) | (_Num) << 16)) +#define EISA_PNP_ID(_PNPId) (EISA_ID(PNP_EISA_ID_CONST, (_PNPId))) + +#define PNP_EISA_ID_MASK 0xffff +#define EISA_ID_TO_NUM(_Id) ((_Id) >> 16) + +/* + * Messaging Device Path (UEFI 2.4 specification, version 2.4 § 9.3.5.) + */ +#define MESSAGING_DEVICE_PATH 0x03 + +#define MSG_ATAPI_DP 0x01 +struct atapi_device_path { + struct efi_device_path header; + u8 primary_secondary; + u8 slave_master; + u16 Lun; +}; + +#define MSG_SCSI_DP 0x02 +struct scsi_device_path { + struct efi_device_path header; + u16 Pun; + u16 Lun; +}; + +#define MSG_FIBRECHANNEL_DP 0x03 +struct fibrechannel_device_path { + struct efi_device_path header; + u32 Reserved; + u64 WWN; + u64 Lun; +}; + +/** + * Fibre Channel Ex sub_type. + * UEFI 2.0 specification version 2.4 § 9.3.5.6. + */ +#define MSG_FIBRECHANNELEX_DP 21 +struct fibrechannelex_device_path { + struct efi_device_path header; + u32 Reserved; + u8 WWN[8]; /* World Wide Name */ + u8 Lun[8]; /* Logical unit, T-10 SCSI Architecture Model 4 specification */ +}; + +#define MSG_1394_DP 0x04 +struct f1394_device_path { + struct efi_device_path header; + u32 Reserved; + u64 Guid; +}; + +#define MSG_USB_DP 0x05 +struct usb_device_path { + struct efi_device_path header; + u8 Port; + u8 Endpoint; +}; + +/** + * SATA Device Path sub_type. + * UEFI 2.0 specification version 2.4 § 9.3.5.6. + */ +#define MSG_SATA_DP 18 +struct sata_device_path { + struct efi_device_path header; + u16 HBAPort_number; + u16 port_multiplier_port_number; + u16 Lun; /* Logical Unit Number */ +}; + +/** + * USB WWID Device Path sub_type. + * UEFI 2.0 specification version 2.4 § 9.3.5.7. + */ +#define MSG_USB_WWID_DP 16 +struct usb_wwid_device_path { + struct efi_device_path header; + u16 interface_number; + u16 vendor_id; + u16 product_id; + s16 serial_number[1]; /* UTF-16 characters of the USB serial number */ +}; + +/** + * Device Logical Unit sub_type. + * UEFI 2.0 specification version 2.4 § 9.3.5.8. + */ +#define MSG_DEVICE_LOGICAL_UNIT_DP 17 +struct device_logical_unit_device_path { + struct efi_device_path header; + u8 Lun; /* Logical Unit Number */ +}; + +#define MSG_USB_CLASS_DP 0x0_f +struct usb_class_device_path { + struct efi_device_path header; + u16 vendor_id; + u16 product_id; + u8 device_class; + u8 device_subclass; + u8 device_protocol; +}; + +#define MSG_I2_o_DP 0x06 +struct i2_o_device_path { + struct efi_device_path header; + u32 Tid; +}; + +#define MSG_MAC_ADDR_DP 0x0b +struct mac_addr_device_path { + struct efi_device_path header; + efi_mac_address mac_address; + u8 if_type; +}; + +#define MSG_IPv4_DP 0x0c +struct ipv4_device_path { + struct efi_device_path header; + efi_ipv4_address local_ip_address; + efi_ipv4_address remote_ip_address; + u16 local_port; + u16 remote_port; + u16 Protocol; + bool static_ip_address; + /* new from UEFI version 2, code must check length field in header */ + efi_ipv4_address gateway_ip_address; + efi_ipv4_address subnet_mask; +}; + +#define MSG_IPv6_DP 0x0d +struct ipv6_device_path { + struct efi_device_path header; + efi_ipv6_address local_ip_address; + efi_ipv6_address remote_ip_address; + u16 local_port; + u16 remote_port; + u16 Protocol; + bool IPAddress_origin; + /* new from UEFI version 2, code must check length field in header */ + u8 prefix_length; + efi_ipv6_address gateway_ip_address; +}; + +/** + * Device Logical Unit sub_type. + * UEFI 2.0 specification version 2.4 § 9.3.5.8. + */ +#define MSG_VLAN_DP 20 +struct vlan_device_path { + struct efi_device_path header; + u16 vlan_id; +}; + +#define MSG_INFINIBAND_DP 0x09 +struct infiniband_device_path { + struct efi_device_path header; + u32 resource_flags; + efi_guid_t port_gid; + u64 service_id; + u64 target_port_id; + u64 device_id; +}; + +#define MSG_UART_DP 0x0e +struct uart_device_path { + struct efi_device_path header; + u32 Reserved; + u64 baud_rate; + u8 data_bits; + u8 Parity; + u8 stop_bits; +}; + +#define MSG_VENDOR_DP 0x0a +/* Use VENDOR_DEVICE_PATH struct */ + +#define DEVICE_PATH_MESSAGING_PC_ANSI \ + { 0xe0c14753, 0xf9be, 0x11d2, {0x9a, 0x0c, 0x00, 0x90, 0x27, 0x3f, 0xc1, 0x4d} } + +#define DEVICE_PATH_MESSAGING_VT_100 \ + { 0xdfa66065, 0xb419, 0x11d3, {0x9a, 0x2d, 0x00, 0x90, 0x27, 0x3f, 0xc1, 0x4d} } + +#define DEVICE_PATH_MESSAGING_VT_100_PLUS \ + { 0x7baec70b , 0x57e0 , 0x4c76 , { 0x8e , 0x87 , 0x2f , 0x9e , 0x28 , 0x08 , 0x83 , 0x43 } } + +#define DEVICE_PATH_MESSAGING_VT_UTF8 \ + { 0xad15a0d6 , 0x8bec , 0x4acf , { 0xa0 , 0x73 , 0xd0 , 0x1d , 0xe7 , 0x7e , 0x2d , 0x88 } } + +#define EFI_PC_ANSI_GUID \ + { 0xe0c14753 , 0xf9be , 0x11d2 , 0x9a , 0x0c , 0x00 , 0x90 , 0x27 , 0x3f , 0xc1 , 0x4d } + +#define EFI_VT_100_GUID \ + { 0xdfa66065 , 0xb419 , 0x11d3 , 0x9a , 0x2d , 0x00 , 0x90 , 0x27 , 0x3f , 0xc1 , 0x4d } + +#define EFI_VT_100_PLUS_GUID \ + { 0x7baec70b , 0x57e0 , 0x4c76 , 0x8e , 0x87 , 0x2f , 0x9e , 0x28 , 0x08 , 0x83 , 0x43 } + +#define EFI_VT_UTF8_GUID \ + { 0xad15a0d6 , 0x8bec , 0x4acf , 0xa0 , 0x73 , 0xd0 , 0x1d , 0xe7 , 0x7e , 0x2d , 0x88 } + +/* + * Media Device Path (UEFI 2.4 specification, version 2.4 § 9.3.6.) + */ +#define MEDIA_DEVICE_PATH 0x04 + +#define MEDIA_HARDDRIVE_DP 0x01 +struct harddrive_device_path { + struct efi_device_path header; + u32 partition_number; + u64 partition_start; + u64 partition_size; + u8 signature[16]; + u8 mbr_type; + u8 signature_type; +}; + +#define MBR_TYPE_PCAT 0x01 +#define MBR_TYPE_EFI_PARTITION_TABLE_HEADER 0x02 + +#define SIGNATURE_TYPE_MBR 0x01 +#define SIGNATURE_TYPE_GUID 0x02 + +#define MEDIA_CDROM_DP 0x02 +struct cdrom_device_path { + struct efi_device_path header; + u32 boot_entry; + u64 partition_start; + u64 partition_size; +}; + +#define MEDIA_VENDOR_DP 0x03 +/* Use VENDOR_DEVICE_PATH struct */ + +#define MEDIA_FILEPATH_DP 0x04 +struct filepath_device_path { + struct efi_device_path header; + s16 path_name[1]; +}; + +#define SIZE_OF_FILEPATH_DEVICE_PATH offsetof(FILEPATH_DEVICE_PATH,path_name) + +#define MEDIA_PROTOCOL_DP 0x05 +struct media_protocol_device_path { + struct efi_device_path header; + efi_guid_t Protocol; +}; + +/** + * PIWG Firmware File sub_type. + * UEFI 2.0 specification version 2.4 § 9.3.6.6. + */ +#define MEDIA_PIWG_FW_FILE_DP 6 +struct media_fw_vol_filepath_device_path { + struct efi_device_path header; + efi_guid_t fv_file_name; +}; + +/** + * PIWG Firmware Volume Device Path sub_type. + * UEFI 2.0 specification version 2.4 § 9.3.6.7. + */ +#define MEDIA_PIWG_FW_VOL_DP 7 +struct media_fw_vol_device_path { + struct efi_device_path header; + efi_guid_t fv_name; +}; + +/** + * Media relative offset range device path. + * UEFI 2.0 specification version 2.4 § 9.3.6.8. + */ +#define MEDIA_RELATIVE_OFFSET_RANGE_DP 8 +struct media_relative_offset_range_device_path { + struct efi_device_path header; + u32 Reserved; + u64 starting_offset; + u64 ending_offset; +}; + +/* + * BIOS Boot Specification Device Path (UEFI 2.4 specification, version 2.4 § 9.3.7.) + */ +#define BBS_DEVICE_PATH 0x05 + +#define BBS_BBS_DP 0x01 +struct bbs_bbs_device_path { + struct efi_device_path header; + u16 device_type; + u16 status_flag; + s8 String[1]; +}; + +/* device_type definitions - from BBS specification */ +#define BBS_TYPE_FLOPPY 0x01 +#define BBS_TYPE_HARDDRIVE 0x02 +#define BBS_TYPE_CDROM 0x03 +#define BBS_TYPE_PCMCIA 0x04 +#define BBS_TYPE_USB 0x05 +#define BBS_TYPE_EMBEDDED_NETWORK 0x06 +#define BBS_TYPE_DEV 0x80 +#define BBS_TYPE_UNKNOWN 0x_fF + +#endif /* __EFI_DEVICE_PATH_H */ diff --git a/include/efi/efi-device.h b/include/efi/efi-device.h index 5ec59a8a2d..b9714ffb74 100644 --- a/include/efi/efi-device.h +++ b/include/efi/efi-device.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ #ifndef __EFI_EFI_DEVICE_H #define __EFI_EFI_DEVICE_H @@ -15,6 +16,8 @@ struct efi_driver { struct driver_d driver; int (*probe)(struct efi_device *efidev); void (*remove)(struct efi_device *efidev); + int (*dev_pause)(struct efi_device *efidev); + int (*dev_continue)(struct efi_device *efidev); efi_guid_t guid; }; @@ -45,6 +48,9 @@ int efi_connect_all(void); void efi_register_devices(void); struct efi_device *efi_get_bootsource(void); +void efi_pause_devices(void); +void efi_continue_devices(void); + static inline bool efi_device_has_guid(struct efi_device *efidev, efi_guid_t guid) { int i; diff --git a/include/efi/efi.h b/include/efi/efi-payload.h index 648afb9ec5..a2daff08bb 100644 --- a/include/efi/efi.h +++ b/include/efi/efi-payload.h @@ -1,17 +1,15 @@ -#ifndef __MACH_EFI_H -#define __MACH_EFI_H +/* SPDX-License-Identifier: GPL-2.0-only */ +#ifndef __EFI_PAYLOAD_H +#define __EFI_PAYLOAD_H #include <efi.h> - -const char *efi_strerror(efi_status_t err); +#include <efi/efi-util.h> extern efi_system_table_t *efi_sys_table; extern efi_handle_t efi_parent_image; extern struct efi_device_path *efi_device_path; extern efi_loaded_image_t *efi_loaded_image; -int efi_errno(efi_status_t err); - void *efi_get_variable(char *name, efi_guid_t *vendor, int *var_size); static inline void *efi_get_global_var(char *name, int *var_size) @@ -23,4 +21,4 @@ int efi_set_variable(char *name, efi_guid_t *vendor, uint32_t attributes, void *buf, unsigned long size); int efi_set_variable_usec(char *name, efi_guid_t *vendor, uint64_t usec); -#endif /* __MACH_EFI_H */ +#endif diff --git a/include/efi/efi-stdio.h b/include/efi/efi-stdio.h new file mode 100644 index 0000000000..66fb0afc36 --- /dev/null +++ b/include/efi/efi-stdio.h @@ -0,0 +1,100 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +#ifndef EFI_STDIO_H_ +#define EFI_STDIO_H_ + +#include <efi.h> + +struct efi_simple_text_input_ex_protocol; + +typedef efi_status_t (EFIAPI *efi_input_reset_ex)( + struct efi_simple_text_input_ex_protocol *this, + efi_bool_t extended_verification +); + +struct efi_key_state { + u32 shift_state; + u8 toggle_state; +}; + +struct efi_key_data { + struct efi_input_key key; + struct efi_key_state state; +}; + +typedef efi_status_t (EFIAPI *efi_input_read_key_ex)( + struct efi_simple_text_input_ex_protocol *this, + struct efi_key_data *keydata +); + +typedef efi_status_t (EFIAPI *efi_set_state)( + struct efi_simple_text_input_ex_protocol *this, + u8 *key_toggle_state +); + +typedef efi_status_t (EFIAPI *efi_key_notify_function)( + struct efi_key_data *keydata +); + +typedef efi_status_t (EFIAPI *efi_register_keystroke_notify)( + struct efi_simple_text_input_ex_protocol *this, + struct efi_key_data keydata, + efi_key_notify_function key_notification_function, + void **notify_handle +); + +typedef efi_status_t (EFIAPI *efi_unregister_keystroke_notify)( + struct efi_simple_text_input_ex_protocol *this, + void *notification_handle +); + +struct efi_simple_text_input_ex_protocol { + efi_input_reset_ex reset; + efi_input_read_key_ex read_key_stroke_ex; + void *wait_for_key_ex; + efi_set_state set_state; + efi_register_keystroke_notify register_key_notify; + efi_unregister_keystroke_notify unregister_key_notify; +}; + +#define EFI_SHIFT_STATE_VALID 0x80000000 +#define EFI_RIGHT_CONTROL_PRESSED 0x00000004 +#define EFI_LEFT_CONTROL_PRESSED 0x00000008 +#define EFI_RIGHT_ALT_PRESSED 0x00000010 +#define EFI_LEFT_ALT_PRESSED 0x00000020 + +#define EFI_CONTROL_PRESSED (EFI_RIGHT_CONTROL_PRESSED | EFI_LEFT_CONTROL_PRESSED) +#define EFI_ALT_PRESSED (EFI_RIGHT_ALT_PRESSED | EFI_LEFT_ALT_PRESSED) +#define KEYPRESS(keys, scan, uni) ((((uint64_t)keys) << 32) | ((scan) << 16) | (uni)) +#define KEYCHAR(k) ((k) & 0xffff) +#define CHAR_CTRL(c) ((c) - 'a' + 1) + +#define EFI_BLACK 0x00 +#define EFI_BLUE 0x01 +#define EFI_GREEN 0x02 +#define EFI_CYAN (EFI_BLUE | EFI_GREEN) +#define EFI_RED 0x04 +#define EFI_MAGENTA (EFI_BLUE | EFI_RED) +#define EFI_BROWN (EFI_GREEN | EFI_RED) +#define EFI_LIGHTGRAY (EFI_BLUE | EFI_GREEN | EFI_RED) +#define EFI_BRIGHT 0x08 +#define EFI_DARKGRAY (EFI_BRIGHT) +#define EFI_LIGHTBLUE (EFI_BLUE | EFI_BRIGHT) +#define EFI_LIGHTGREEN (EFI_GREEN | EFI_BRIGHT) +#define EFI_LIGHTCYAN (EFI_CYAN | EFI_BRIGHT) +#define EFI_LIGHTRED (EFI_RED | EFI_BRIGHT) +#define EFI_LIGHTMAGENTA (EFI_MAGENTA | EFI_BRIGHT) +#define EFI_YELLOW (EFI_BROWN | EFI_BRIGHT) +#define EFI_WHITE (EFI_BLUE | EFI_GREEN | EFI_RED | EFI_BRIGHT) + +#define EFI_TEXT_ATTR(f,b) ((f) | ((b) << 4)) + +#define EFI_BACKGROUND_BLACK 0x00 +#define EFI_BACKGROUND_BLUE 0x10 +#define EFI_BACKGROUND_GREEN 0x20 +#define EFI_BACKGROUND_CYAN (EFI_BACKGROUND_BLUE | EFI_BACKGROUND_GREEN) +#define EFI_BACKGROUND_RED 0x40 +#define EFI_BACKGROUND_MAGENTA (EFI_BACKGROUND_BLUE | EFI_BACKGROUND_RED) +#define EFI_BACKGROUND_BROWN (EFI_BACKGROUND_GREEN | EFI_BACKGROUND_RED) +#define EFI_BACKGROUND_LIGHTGRAY (EFI_BACKGROUND_BLUE | EFI_BACKGROUND_GREEN | EFI_BACKGROUND_RED) + +#endif diff --git a/include/efi/efi-util.h b/include/efi/efi-util.h new file mode 100644 index 0000000000..78e352456a --- /dev/null +++ b/include/efi/efi-util.h @@ -0,0 +1,14 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +#ifndef __EFI_UTIL_H +#define __EFI_UTIL_H + +#include <efi.h> + +const char *efi_strerror(efi_status_t err); +int efi_errno(efi_status_t err); + +int __efivarfs_parse_filename(const char *filename, efi_guid_t *vendor, + s16 *name, size_t *namelen); +int efivarfs_parse_filename(const char *filename, efi_guid_t *vendor, s16 **name); + +#endif diff --git a/include/efi/partition.h b/include/efi/partition.h new file mode 100644 index 0000000000..a9b10c1266 --- /dev/null +++ b/include/efi/partition.h @@ -0,0 +1,119 @@ +/************************************************************ + * EFI GUID Partition Table + * Per Intel EFI Specification v1.02 + * http://developer.intel.com/technology/efi/efi.htm + * + * 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. + * + ************************************************************/ + +#ifndef FS_PART_EFI_H_INCLUDED +#define FS_PART_EFI_H_INCLUDED + +#include <efi.h> + +#define MSDOS_MBR_SIGNATURE 0xaa55 +#define EFI_PMBR_OSTYPE_EFI 0xEF +#define EFI_PMBR_OSTYPE_EFI_GPT 0xEE + +#define GPT_BLOCK_SIZE 512 +#define GPT_HEADER_SIGNATURE 0x5452415020494645ULL +#define GPT_HEADER_REVISION_V1 0x00010000 +#define GPT_PRIMARY_PARTITION_TABLE_LBA 1 + +#define PARTITION_SYSTEM_GUID \ + EFI_GUID( 0xC12A7328, 0xF81F, 0x11d2, \ + 0xBA, 0x4B, 0x00, 0xA0, 0xC9, 0x3E, 0xC9, 0x3B) +#define LEGACY_MBR_PARTITION_GUID \ + EFI_GUID( 0x024DEE41, 0x33E7, 0x11d3, \ + 0x9D, 0x69, 0x00, 0x08, 0xC7, 0x81, 0xF3, 0x9F) +#define PARTITION_MSFT_RESERVED_GUID \ + EFI_GUID( 0xE3C9E316, 0x0B5C, 0x4DB8, \ + 0x81, 0x7D, 0xF9, 0x2D, 0xF0, 0x02, 0x15, 0xAE) +#define PARTITION_BASIC_DATA_GUID \ + EFI_GUID( 0xEBD0A0A2, 0xB9E5, 0x4433, \ + 0x87, 0xC0, 0x68, 0xB6, 0xB7, 0x26, 0x99, 0xC7) +#define PARTITION_LINUX_RAID_GUID \ + EFI_GUID( 0xa19d880f, 0x05fc, 0x4d3b, \ + 0xa0, 0x06, 0x74, 0x3f, 0x0f, 0x84, 0x91, 0x1e) +#define PARTITION_LINUX_SWAP_GUID \ + EFI_GUID( 0x0657fd6d, 0xa4ab, 0x43c4, \ + 0x84, 0xe5, 0x09, 0x33, 0xc8, 0x4b, 0x4f, 0x4f) +#define PARTITION_LINUX_LVM_GUID \ + EFI_GUID( 0xe6d6d379, 0xf507, 0x44c2, \ + 0xa2, 0x3c, 0x23, 0x8f, 0x2a, 0x3d, 0xf9, 0x28) + +/* based on linux/include/genhd.h */ +struct legacy_partition { + unsigned char boot_ind; /* 0x80 - active */ + unsigned char head; /* starting head */ + unsigned char sector; /* starting sector */ + unsigned char cyl; /* starting cylinder */ + unsigned char sys_ind; /* What partition type */ + unsigned char end_head; /* end head */ + unsigned char end_sector; /* end sector */ + unsigned char end_cyl; /* end cylinder */ + __le32 start_sect; /* starting sector counting from 0 */ + __le32 nr_sects; /* nr of sectors in partition */ +} __attribute__ ((packed)); + +/* based on linux/fs/partitions/efi.h */ +typedef struct _gpt_header { + __le64 signature; + __le32 revision; + __le32 header_size; + __le32 header_crc32; + __le32 reserved1; + __le64 my_lba; + __le64 alternate_lba; + __le64 first_usable_lba; + __le64 last_usable_lba; + efi_guid_t disk_guid; + __le64 partition_entry_lba; + __le32 num_partition_entries; + __le32 sizeof_partition_entry; + __le32 partition_entry_array_crc32; + + /* The rest of the logical block is reserved by UEFI and must be zero. + * EFI standard handles this by: + * + * uint8_t reserved2[ BlockSize - 92 ]; + */ +} __attribute__ ((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; + +#define GPT_PARTNAME_MAX_SIZE (72 / sizeof (efi_char16_t)) +typedef struct _gpt_entry { + efi_guid_t partition_type_guid; + efi_guid_t unique_partition_guid; + __le64 starting_lba; + __le64 ending_lba; + gpt_entry_attributes attributes; + efi_char16_t partition_name[GPT_PARTNAME_MAX_SIZE]; +} __attribute__ ((packed)) gpt_entry; + +typedef struct _legacy_mbr { + u8 boot_code[440]; + __le32 unique_mbr_signature; + __le16 unknown; + struct legacy_partition partition_record[4]; + __le16 signature; +} __attribute__ ((packed)) legacy_mbr; + +#endif /* _DISK_PART_EFI_H */ |