/*
* Extensible Firmware Interface
* Based on 'Extensible Firmware Interface Specification' version 0.9,
* April 30, 1999
*
* Copyright (C) 1999 VA Linux Systems
* Copyright (C) 1999 Walt Drummond <drummond@valinux.com>
* Copyright (C) 1999, 2002-2003 Hewlett-Packard Co.
* David Mosberger-Tang <davidm@hpl.hp.com>
* Stephane Eranian <eranian@hpl.hp.com>
*
* From include/linux/efi.h in kernel 4.1 with some additions/subtractions
*/
#ifndef _EFI_API_H
#define _EFI_API_H
#include <efi.h>
#ifdef CONFIG_EFI_LOADER
#include <asm/setjmp.h>
#endif
/* Types and defines for EFI CreateEvent */
enum efi_timer_delay {
EFI_TIMER_STOP = 0,
EFI_TIMER_PERIODIC = 1,
EFI_TIMER_RELATIVE = 2
};
#define efi_uintn_t size_t
typedef uint16_t *efi_string_t;
#define EVT_TIMER 0x80000000
#define EVT_RUNTIME 0x40000000
#define EVT_NOTIFY_WAIT 0x00000100
#define EVT_NOTIFY_SIGNAL 0x00000200
#define EVT_SIGNAL_EXIT_BOOT_SERVICES 0x00000201
#define EVT_SIGNAL_VIRTUAL_ADDRESS_CHANGE 0x60000202
#define TPL_APPLICATION 0x04
#define TPL_CALLBACK 0x08
#define TPL_NOTIFY 0x10
#define TPL_HIGH_LEVEL 0x1F
struct efi_event;
/* EFI Boot Services table */
struct efi_boot_services {
struct efi_table_hdr hdr;
efi_status_t (EFIAPI *raise_tpl)(efi_uintn_t new_tpl);
void (EFIAPI *restore_tpl)(efi_uintn_t old_tpl);
efi_status_t (EFIAPI *allocate_pages)(int, int, efi_uintn_t,
efi_physical_addr_t *);
efi_status_t (EFIAPI *free_pages)(efi_physical_addr_t, efi_uintn_t);
efi_status_t (EFIAPI *get_memory_map)(efi_uintn_t *memory_map_size,
struct efi_mem_desc *desc,
efi_uintn_t *key,
efi_uintn_t *desc_size,
u32 *desc_version);
efi_status_t (EFIAPI *allocate_pool)(int, efi_uintn_t, void **);
efi_status_t (EFIAPI *free_pool)(void *);
efi_status_t (EFIAPI *create_event)(uint32_t type,
efi_uintn_t notify_tpl,
void (EFIAPI *notify_function) (
struct efi_event *event,
void *context),
void *notify_context, struct efi_event **event);
efi_status_t (EFIAPI *set_timer)(struct efi_event *event,
enum efi_timer_delay type,
uint64_t trigger_time);
efi_status_t (EFIAPI *wait_for_event)(efi_uintn_t number_of_events,
struct efi_event **event,
efi_uintn_t *index);
efi_status_t (EFIAPI *signal_event)(struct efi_event *event);
efi_status_t (EFIAPI *close_event)(struct efi_event *event);
efi_status_t (EFIAPI *check_event)(struct efi_event *event);
#define EFI_NATIVE_INTERFACE 0x00000000
efi_status_t (EFIAPI *install_protocol_interface)(
void **handle, const efi_guid_t *protocol,
int protocol_interface_type, void *protocol_interface);
efi_status_t (EFIAPI *reinstall_protocol_interface)(
void *handle, const efi_guid_t *protocol,
void *old_interface, void *new_interface);
efi_status_t (EFIAPI *uninstall_protocol_interface)(
efi_handle_t handle, const efi_guid_t *protocol,
void *protocol_interface);
efi_status_t (EFIAPI *handle_protocol)(
efi_handle_t handle, const efi_guid_t *protocol,
void **protocol_interface);
void *reserved;
efi_status_t (EFIAPI *register_protocol_notify)(
const efi_guid_t *protocol, struct efi_event *event,
void **registration);
efi_status_t (EFIAPI *locate_handle)(
enum efi_locate_search_type search_type,
const efi_guid_t *protocol, void *search_key,
efi_uintn_t *buffer_size, efi_handle_t *buffer);
efi_status_t (EFIAPI *locate_device_path)(const efi_guid_t *protocol,
struct efi_device_path **device_path,
efi_handle_t *device);
efi_status_t (EFIAPI *install_configuration_table)(
efi_guid_t *guid, void *table);
efi_status_t (EFIAPI *load_image)(bool boot_policiy,
efi_handle_t parent_image,
struct efi_device_path *file_path, void *source_buffer,
efi_uintn_t source_size, efi_handle_t *image);
efi_status_t (EFIAPI *start_image)(efi_handle_t handle,
unsigned long *exitdata_size,
s16 **exitdata);
efi_status_t (EFIAPI *exit)(efi_handle_t handle,
efi_status_t exit_status,
unsigned long exitdata_size, s16 *exitdata);
efi_status_t (EFIAPI *unload_image)(efi_handle_t image_handle);
efi_status_t (EFIAPI *exit_boot_services)(efi_handle_t, unsigned long);
efi_status_t (EFIAPI *get_next_monotonic_count)(u64 *count);
efi_status_t (EFIAPI *stall)(unsigned long usecs);
efi_status_t (EFIAPI *set_watchdog_timer)(unsigned long timeout,
uint64_t watchdog_code, unsigned long data_size,
uint16_t *watchdog_data);
efi_status_t(EFIAPI *connect_controller)(efi_handle_t controller_handle,
efi_handle_t *driver_image_handle,
struct efi_device_path *remaining_device_path,
bool recursive);
efi_status_t (EFIAPI *disconnect_controller)(
efi_handle_t controller_handle,
efi_handle_t driver_image_handle,
efi_handle_t child_handle);
#define EFI_OPEN_PROTOCOL_BY_HANDLE_PROTOCOL 0x00000001
#define EFI_OPEN_PROTOCOL_GET_PROTOCOL 0x00000002
#define EFI_OPEN_PROTOCOL_TEST_PROTOCOL 0x00000004
#define EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER 0x00000008
#define EFI_OPEN_PROTOCOL_BY_DRIVER 0x00000010
#define EFI_OPEN_PROTOCOL_EXCLUSIVE 0x00000020
efi_status_t (EFIAPI *open_protocol)(efi_handle_t handle,
const efi_guid_t *protocol, void **interface,
efi_handle_t agent_handle,
efi_handle_t controller_handle, u32 attributes);
efi_status_t (EFIAPI *close_protocol)(
efi_handle_t handle, const efi_guid_t *protocol,
efi_handle_t agent_handle,
efi_handle_t controller_handle);
efi_status_t(EFIAPI *open_protocol_information)(efi_handle_t handle,
const efi_guid_t *protocol,
struct efi_open_protocol_info_entry **entry_buffer,
efi_uintn_t *entry_count);
efi_status_t (EFIAPI *protocols_per_handle)(efi_handle_t handle,
efi_guid_t ***protocol_buffer,
efi_uintn_t *protocols_buffer_count);
efi_status_t (EFIAPI *locate_handle_buffer) (
enum efi_locate_search_type search_type,
const efi_guid_t *protocol, void *search_key,
efi_uintn_t *no_handles, efi_handle_t **buffer);
efi_status_t (EFIAPI *locate_protocol)(const efi_guid_t *protocol,
void *registration, void **protocol_interface);
efi_status_t (EFIAPI *install_multiple_protocol_interfaces)(
void **handle, ...);
efi_status_t (EFIAPI *uninstall_multiple_protocol_interfaces)(
void *handle, ...);
efi_status_t (EFIAPI *calculate_crc32)(void *data,
unsigned long data_size, uint32_t *crc32);
void (EFIAPI *copy_mem)(void *destination, const void *source,
size_t length);
void (EFIAPI *set_mem)(void *buffer, size_t size, uint8_t value);
efi_status_t (EFIAPI *create_event_ex)(
uint32_t type, efi_uintn_t notify_tpl,
void (EFIAPI *notify_function) (
struct efi_event *event,
void *context),
void *notify_context,
efi_guid_t *event_group,
struct efi_event **event);
};
/* Types and defines for EFI ResetSystem */
enum efi_reset_type {
EFI_RESET_COLD = 0,
EFI_RESET_WARM = 1,
EFI_RESET_SHUTDOWN = 2,
EFI_RESET_PLATFORM_SPECIFIC = 3,
};
/* EFI Runtime Services table */
#define EFI_RUNTIME_SERVICES_SIGNATURE 0x5652453544e5552ULL
#define EFI_RUNTIME_SERVICES_REVISION 0x00010000
#define CAPSULE_FLAGS_PERSIST_ACROSS_RESET 0x00010000
#define CAPSULE_FLAGS_POPULATE_SYSTEM_TABLE 0x00020000
#define CAPSULE_FLAGS_INITIATE_RESET 0x00040000
struct efi_capsule_header {
efi_guid_t *capsule_guid;
u32 header_size;
u32 flags;
u32 capsule_image_size;
};
struct efi_runtime_services {
struct efi_table_hdr hdr;
efi_status_t (EFIAPI *get_time)(struct efi_time *time,
struct efi_time_cap *capabilities);
efi_status_t (EFIAPI *set_time)(struct efi_time *time);
efi_status_t (EFIAPI *get_wakeup_time)(char *enabled, char *pending,
struct efi_time *time);
efi_status_t (EFIAPI *set_wakeup_time)(char enabled,
struct efi_time *time);
efi_status_t (EFIAPI *set_virtual_address_map)(
unsigned long memory_map_size,
unsigned long descriptor_size,
uint32_t descriptor_version,
struct efi_mem_desc *virtmap);
efi_status_t (*convert_pointer)(unsigned long dbg, void **address);
efi_status_t (EFIAPI *get_variable)(u16 *variable_name,
efi_guid_t *vendor, u32 *attributes,
efi_uintn_t *data_size, void *data);
efi_status_t (EFIAPI *get_next_variable_name)(
efi_uintn_t *variable_name_size,
u16 *variable_name, efi_guid_t *vendor);
efi_status_t (EFIAPI *set_variable)(u16 *variable_name,
efi_guid_t *vendor, u32 attributes,
efi_uintn_t data_size, void *data);
efi_status_t (EFIAPI *get_next_high_mono_count)(
uint32_t *high_count);
void (EFIAPI *reset_system)(enum efi_reset_type reset_type,
efi_status_t reset_status,
unsigned long data_size, void *reset_data);
efi_status_t (EFIAPI *update_capsule)(
struct efi_capsule_header **capsule_header_array,
efi_uintn_t capsule_count,
u64 scatter_gather_list);
efi_status_t (EFIAPI *query_capsule_caps)(
struct efi_capsule_header **capsule_header_array,
efi_uintn_t capsule_count,
u64 maximum_capsule_size,
u32 reset_type);
efi_status_t (EFIAPI *query_variable_info)(
u32 attributes,
u64 *maximum_variable_storage_size,
u64 *remaining_variable_storage_size,
u64 *maximum_variable_size);
};
/* EFI event group GUID definitions */
#define EFI_EVENT_GROUP_EXIT_BOOT_SERVICES \
EFI_GUID(0x27abf055, 0xb1b8, 0x4c26, 0x80, 0x48, \
0x74, 0x8f, 0x37, 0xba, 0xa2, 0xdf)
#define EFI_EVENT_GROUP_VIRTUAL_ADDRESS_CHANGE \
EFI_GUID(0x13fa7698, 0xc831, 0x49c7, 0x87, 0xea, \
0x8f, 0x43, 0xfc, 0xc2, 0x51, 0x96)
#define EFI_EVENT_GROUP_MEMORY_MAP_CHANGE \
EFI_GUID(0x78bee926, 0x692f, 0x48fd, 0x9e, 0xdb, \
0x01, 0x42, 0x2e, 0xf0, 0xd7, 0xab)
#define EFI_EVENT_GROUP_READY_TO_BOOT \
EFI_GUID(0x7ce88fb3, 0x4bd7, 0x4679, 0x87, 0xa8, \
0xa8, 0xd8, 0xde, 0xe5, 0x0d, 0x2b)
#define EFI_EVENT_GROUP_RESET_SYSTEM \
EFI_GUID(0x62da6a56, 0x13fb, 0x485a, 0xa8, 0xda, \
0xa3, 0xdd, 0x79, 0x12, 0xcb, 0x6b)
/* EFI Configuration Table and GUID definitions */
#define NULL_GUID \
EFI_GUID(0x00000000, 0x0000, 0x0000, 0x00, 0x00, \
0x00, 0x00, 0x00, 0x00, 0x00, 0x00)
#define EFI_GLOBAL_VARIABLE_GUID \
EFI_GUID(0x8be4df61, 0x93ca, 0x11d2, 0xaa, 0x0d, \
0x00, 0xe0, 0x98, 0x03, 0x2b, 0x8c)
#define LOADED_IMAGE_PROTOCOL_GUID \
EFI_GUID(0x5b1b31a1, 0x9562, 0x11d2, 0x8e, 0x3f, \
0x00, 0xa0, 0xc9, 0x69, 0x72, 0x3b)
#define EFI_FDT_GUID \
EFI_GUID(0xb1b621d5, 0xf19c, 0x41a5, \
0x83, 0x0b, 0xd9, 0x15, 0x2c, 0x69, 0xaa, 0xe0)
#define EFI_ACPI_TABLE_GUID \
EFI_GUID(0x8868e871, 0xe4f1, 0x11d3, \
0xbc, 0x22, 0x00, 0x80, 0xc7, 0x3c, 0x88, 0x81)
#define SMBIOS_TABLE_GUID \
EFI_GUID(0xeb9d2d31, 0x2d88, 0x11d3, \
0x9a, 0x16, 0x00, 0x90, 0x27, 0x3f, 0xc1, 0x4d)
struct efi_configuration_table
{
efi_guid_t guid;
void *table;
};
#define EFI_SYSTEM_TABLE_SIGNATURE ((u64)0x5453595320494249ULL)
struct efi_system_table {
struct efi_table_hdr hdr;
unsigned long fw_vendor; /* physical addr of wchar_t vendor string */
u32 fw_revision;
efi_handle_t con_in_handle;
struct efi_simple_input_interface *con_in;
efi_handle_t con_out_handle;
struct efi_simple_text_output_protocol *con_out;
efi_handle_t stderr_handle;
struct efi_simple_text_output_protocol *std_err;
struct efi_runtime_services *runtime;
struct efi_boot_services *boottime;
efi_uintn_t nr_tables;
struct efi_configuration_table *tables;
};
#define LOADED_IMAGE_GUID \
EFI_GUID(0x5b1b31a1, 0x9562, 0x11d2, \
0x8e, 0x3f, 0x00, 0xa0, 0xc9, 0x69, 0x72, 0x3b)
struct efi_loaded_image {
u32 revision;
void *parent_handle;
struct efi_system_table *system_table;
efi_handle_t device_handle;
struct efi_device_path *file_path;
void *reserved;
u32 load_options_size;
void *load_options;
void *image_base;
aligned_u64 image_size;
unsigned int image_code_type;
unsigned int image_data_type;
unsigned long unload;
/* Below are efi loader private fields */
#ifdef CONFIG_EFI_LOADER
void *reloc_base;
aligned_u64 reloc_size;
efi_status_t exit_status;
struct jmp_buf_data exit_jmp;
#endif
};
#define DEVICE_PATH_GUID \
EFI_GUID(0x09576e91, 0x6d3f, 0x11d2, \
0x8e, 0x39, 0x00, 0xa0, 0xc9, 0x69, 0x72, 0x3b )
#define DEVICE_PATH_TYPE_END 0x7f
# define DEVICE_PATH_SUB_TYPE_INSTANCE_END 0x01
# define DEVICE_PATH_SUB_TYPE_END 0xff
struct efi_device_path {
u8 type;
u8 sub_type;
u16 length;
} __packed;
struct efi_mac_addr {
u8 addr[32];
} __packed;
#define DEVICE_PATH_TYPE_HARDWARE_DEVICE 0x01
# define DEVICE_PATH_SUB_TYPE_MEMORY 0x03
# define DEVICE_PATH_SUB_TYPE_VENDOR 0x04
struct efi_device_path_memory {
struct efi_device_path dp;
u32 memory_type;
u64 start_address;
u64 end_address;
} __packed;
struct efi_device_path_vendor {
struct efi_device_path dp;
efi_guid_t guid;
u8 vendor_data[];
} __packed;
#define DEVICE_PATH_TYPE_ACPI_DEVICE 0x02
# define DEVICE_PATH_SUB_TYPE_ACPI_DEVICE 0x01
#define EFI_PNP_ID(ID) (u32)(((ID) << 16) | 0x41D0)
#define EISA_PNP_ID(ID) EFI_PNP_ID(ID)
#define EISA_PNP_NUM(ID) ((ID) >> 16)
struct efi_device_path_acpi_path {
struct efi_device_path dp;
u32 hid;
u32 uid;
} __packed;
#define DEVICE_PATH_TYPE_MESSAGING_DEVICE 0x03
# define DEVICE_PATH_SUB_TYPE_MSG_ATAPI 0x01
# define DEVICE_PATH_SUB_TYPE_MSG_SCSI 0x02
# define DEVICE_PATH_SUB_TYPE_MSG_USB 0x05
# define DEVICE_PATH_SUB_TYPE_MSG_MAC_ADDR 0x0b
# define DEVICE_PATH_SUB_TYPE_MSG_USB_CLASS 0x0f
# define DEVICE_PATH_SUB_TYPE_MSG_SD 0x1a
# define DEVICE_PATH_SUB_TYPE_MSG_MMC 0x1d
struct efi_device_path_atapi {
struct efi_device_path dp;
u8 primary_secondary;
u8 slave_master;
u16 logical_unit_number;
} __packed;
struct efi_device_path_scsi {
struct efi_device_path dp;
u16 target_id;
u16 logical_unit_number;
} __packed;
struct efi_device_path_usb {
struct efi_device_path dp;
u8 parent_port_number;
u8 usb_interface;
} __packed;
struct efi_device_path_mac_addr {
struct efi_device_path dp;
struct efi_mac_addr mac;
u8 if_type;
} __packed;
struct efi_device_path_usb_class {
struct efi_device_path dp;
u16 vendor_id;
u16 product_id;
u8 device_class;
u8 device_subclass;
u8 device_protocol;
} __packed;
struct efi_device_path_sd_mmc_path {
struct efi_device_path dp;
u8 slot_number;
} __packed;
#define DEVICE_PATH_TYPE_MEDIA_DEVICE 0x04
# define DEVICE_PATH_SUB_TYPE_HARD_DRIVE_PATH 0x01
# define DEVICE_PATH_SUB_TYPE_CDROM_PATH 0x02
# define DEVICE_PATH_SUB_TYPE_FILE_PATH 0x04
struct efi_device_path_hard_drive_path {
struct efi_device_path dp;
u32 partition_number;
u64 partition_start;
u64 partition_end;
u8 partition_signature[16];
u8 partmap_type;
u8 signature_type;
} __packed;
struct efi_device_path_cdrom_path {
struct efi_device_path dp;
u32 boot_entry;
u64 partition_start;
u64 partition_end;
} __packed;
struct efi_device_path_file_path {
struct efi_device_path dp;
u16 str[];
} __packed;
#define BLOCK_IO_GUID \
EFI_GUID(0x964e5b21, 0x6459, 0x11d2, \
0x8e, 0x39, 0x00, 0xa0, 0xc9, 0x69, 0x72, 0x3b)
struct efi_block_io_media
{
u32 media_id;
char removable_media;
char media_present;
char logical_partition;
char read_only;
char write_caching;
u8 pad[3];
u32 block_size;
u32 io_align;
u8 pad2[4];
u64 last_block;
/* Added in revision 2 of the protocol */
u64 lowest_aligned_lba;
u32 logical_blocks_per_physical_block;
/* Added in revision 3 of the protocol */
u32 optimal_transfer_length_granualarity;
};
#define EFI_BLOCK_IO_PROTOCOL_REVISION2 0x00020001
#define EFI_BLOCK_IO_PROTOCOL_REVISION3 0x0002001f
struct efi_block_io {
u64 revision;
struct efi_block_io_media *media;
efi_status_t (EFIAPI *reset)(struct efi_block_io *this,
char extended_verification);
efi_status_t (EFIAPI *read_blocks)(struct efi_block_io *this,
u32 media_id, u64 lba, efi_uintn_t buffer_size,
void *buffer);
efi_status_t (EFIAPI *write_blocks)(struct efi_block_io *this,
u32 media_id, u64 lba, efi_uintn_t buffer_size,
void *buffer);
efi_status_t (EFIAPI *flush_blocks)(struct efi_block_io *this);
};
struct simple_text_output_mode {
s32 max_mode;
s32 mode;
s32 attribute;
s32 cursor_column;
s32 cursor_row;
bool cursor_visible;
};
#define EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL_GUID \
EFI_GUID(0x387477c2, 0x69c7, 0x11d2, \
0x8e, 0x39, 0x0, 0xa0, 0xc9, 0x69, 0x72, 0x3b)
#define EFI_BLACK 0x00
#define EFI_BLUE 0x01
#define EFI_GREEN 0x02
#define EFI_CYAN 0x03
#define EFI_RED 0x04
#define EFI_MAGENTA 0x05
#define EFI_BROWN 0x06
#define EFI_LIGHTGRAY 0x07
#define EFI_BRIGHT 0x08
#define EFI_DARKGRAY 0x08
#define EFI_LIGHTBLUE 0x09
#define EFI_LIGHTGREEN 0x0a
#define EFI_LIGHTCYAN 0x0b
#define EFI_LIGHTRED 0x0c
#define EFI_LIGHTMAGENTA 0x0d
#define EFI_YELLOW 0x0e
#define EFI_WHITE 0x0f
#define EFI_BACKGROUND_BLACK 0x00
#define EFI_BACKGROUND_BLUE 0x10
#define EFI_BACKGROUND_GREEN 0x20
#define EFI_BACKGROUND_CYAN 0x30
#define EFI_BACKGROUND_RED 0x40
#define EFI_BACKGROUND_MAGENTA 0x50
#define EFI_BACKGROUND_BROWN 0x60
#define EFI_BACKGROUND_LIGHTGRAY 0x70
/* extract foreground color from EFI attribute */
#define EFI_ATTR_FG(attr) ((attr) & 0x07)
/* treat high bit of FG as bright/bold (similar to edk2) */
#define EFI_ATTR_BOLD(attr) (((attr) >> 3) & 0x01)
/* extract background color from EFI attribute */
#define EFI_ATTR_BG(attr) (((attr) >> 4) & 0x7)
struct efi_simple_text_output_protocol {
void *reset;
efi_status_t (EFIAPI *output_string)(
struct efi_simple_text_output_protocol *this,
const efi_string_t str);
efi_status_t (EFIAPI *test_string)(
struct efi_simple_text_output_protocol *this,
const efi_string_t str);
efi_status_t(EFIAPI *query_mode)(
struct efi_simple_text_output_protocol *this,
unsigned long mode_number, unsigned long *columns,
unsigned long *rows);
efi_status_t(EFIAPI *set_mode)(
struct efi_simple_text_output_protocol *this,
unsigned long mode_number);
efi_status_t(EFIAPI *set_attribute)(
struct efi_simple_text_output_protocol *this,
unsigned long attribute);
efi_status_t(EFIAPI *clear_screen) (
struct efi_simple_text_output_protocol *this);
efi_status_t(EFIAPI *set_cursor_position) (
struct efi_simple_text_output_protocol *this,
unsigned long column, unsigned long row);
efi_status_t(EFIAPI *enable_cursor)(
struct efi_simple_text_output_protocol *this,
bool enable);
struct simple_text_output_mode *mode;
};
struct efi_input_key {
u16 scan_code;
s16 unicode_char;
};
#define EFI_SIMPLE_TEXT_INPUT_PROTOCOL_GUID \
EFI_GUID(0x387477c1, 0x69c7, 0x11d2, \
0x8e, 0x39, 0x0, 0xa0, 0xc9, 0x69, 0x72, 0x3b)
struct efi_simple_input_interface {
efi_status_t(EFIAPI *reset)(struct efi_simple_input_interface *this,
bool ExtendedVerification);
efi_status_t(EFIAPI *read_key_stroke)(
struct efi_simple_input_interface *this,
struct efi_input_key *key);
struct efi_event *wait_for_key;
};
#define EFI_DEVICE_PATH_TO_TEXT_PROTOCOL_GUID \
EFI_GUID(0x8b843e20, 0x8132, 0x4852, \
0x90, 0xcc, 0x55, 0x1a, 0x4e, 0x4a, 0x7f, 0x1c)
struct efi_device_path_to_text_protocol
{
uint16_t *(EFIAPI *convert_device_node_to_text)(
struct efi_device_path *device_node,
bool display_only,
bool allow_shortcuts);
uint16_t *(EFIAPI *convert_device_path_to_text)(
struct efi_device_path *device_path,
bool display_only,
bool allow_shortcuts);
};
#define EFI_DEVICE_PATH_UTILITIES_PROTOCOL_GUID \
EFI_GUID(0x0379be4e, 0xd706, 0x437d, \
0xb0, 0x37, 0xed, 0xb8, 0x2f, 0xb7, 0x72, 0xa4)
struct efi_device_path_utilities_protocol {
efi_uintn_t (EFIAPI *get_device_path_size)(
const struct efi_device_path *device_path);
struct efi_device_path *(EFIAPI *duplicate_device_path)(
const struct efi_device_path *device_path);
struct efi_device_path *(EFIAPI *append_device_path)(
const struct efi_device_path *src1,
const struct efi_device_path *src2);
struct efi_device_path *(EFIAPI *append_device_node)(
const struct efi_device_path *device_path,
const struct efi_device_path *device_node);
struct efi_device_path *(EFIAPI *append_device_path_instance)(
const struct efi_device_path *device_path,
const struct efi_device_path *device_path_instance);
struct efi_device_path *(EFIAPI *get_next_device_path_instance)(
struct efi_device_path **device_path_instance,
efi_uintn_t *device_path_instance_size);
bool (EFIAPI *is_device_path_multi_instance)(
const struct efi_device_path *device_path);
struct efi_device_path *(EFIAPI *create_device_node)(
uint8_t node_type,
uint8_t node_sub_type,
uint16_t node_length);
};
#define EFI_GOP_GUID \
EFI_GUID(0x9042a9de, 0x23dc, 0x4a38, \
0x96, 0xfb, 0x7a, 0xde, 0xd0, 0x80, 0x51, 0x6a)
#define EFI_GOT_RGBA8 0
#define EFI_GOT_BGRA8 1
#define EFI_GOT_BITMASK 2
struct efi_gop_mode_info
{
u32 version;
u32 width;
u32 height;
u32 pixel_format;
u32 pixel_bitmask[4];
u32 pixels_per_scanline;
};
struct efi_gop_mode
{
u32 max_mode;
u32 mode;
struct efi_gop_mode_info *info;
unsigned long info_size;
efi_physical_addr_t fb_base;
unsigned long fb_size;
};
struct efi_gop_pixel {
u8 blue;
u8 green;
u8 red;
u8 reserved;
};
#define EFI_BLT_VIDEO_FILL 0
#define EFI_BLT_VIDEO_TO_BLT_BUFFER 1
#define EFI_BLT_BUFFER_TO_VIDEO 2
#define EFI_BLT_VIDEO_TO_VIDEO 3
struct efi_gop
{
efi_status_t (EFIAPI *query_mode)(struct efi_gop *this, u32 mode_number,
efi_uintn_t *size_of_info,
struct efi_gop_mode_info **info);
efi_status_t (EFIAPI *set_mode)(struct efi_gop *this, u32 mode_number);
efi_status_t (EFIAPI *blt)(struct efi_gop *this,
struct efi_gop_pixel *buffer,
u32 operation, efi_uintn_t sx,
efi_uintn_t sy, efi_uintn_t dx,
efi_uintn_t dy, efi_uintn_t width,
efi_uintn_t height, efi_uintn_t delta);
struct efi_gop_mode *mode;
};
#define EFI_SIMPLE_NETWORK_GUID \
EFI_GUID(0xa19832b9, 0xac25, 0x11d3, \
0x9a, 0x2d, 0x00, 0x90, 0x27, 0x3f, 0xc1, 0x4d)
struct efi_mac_address {
char mac_addr[32];
};
struct efi_ip_address {
u8 ip_addr[16];
} __attribute__((aligned(4)));
enum efi_simple_network_state {
EFI_NETWORK_STOPPED,
EFI_NETWORK_STARTED,
EFI_NETWORK_INITIALIZED,
};
struct efi_simple_network_mode {
enum efi_simple_network_state state;
u32 hwaddr_size;
u32 media_header_size;
u32 max_packet_size;
u32 nvram_size;
u32 nvram_access_size;
u32 receive_filter_mask;
u32 receive_filter_setting;
u32 max_mcast_filter_count;
u32 mcast_filter_count;
struct efi_mac_address mcast_filter[16];
struct efi_mac_address current_address;
struct efi_mac_address broadcast_address;
struct efi_mac_address permanent_address;
u8 if_type;
u8 mac_changeable;
u8 multitx_supported;
u8 media_present_supported;
u8 media_present;
};
/* receive_filters bit mask */
#define EFI_SIMPLE_NETWORK_RECEIVE_UNICAST 0x01
#define EFI_SIMPLE_NETWORK_RECEIVE_MULTICAST 0x02
#define EFI_SIMPLE_NETWORK_RECEIVE_BROADCAST 0x04
#define EFI_SIMPLE_NETWORK_RECEIVE_PROMISCUOUS 0x08
#define EFI_SIMPLE_NETWORK_RECEIVE_PROMISCUOUS_MULTICAST 0x10
/* interrupt status bit mask */
#define EFI_SIMPLE_NETWORK_RECEIVE_INTERRUPT 0x01
#define EFI_SIMPLE_NETWORK_TRANSMIT_INTERRUPT 0x02
#define EFI_SIMPLE_NETWORK_COMMAND_INTERRUPT 0x04
#define EFI_SIMPLE_NETWORK_SOFTWARE_INTERRUPT 0x08
/* revision of the simple network protocol */
#define EFI_SIMPLE_NETWORK_PROTOCOL_REVISION 0x00010000
struct efi_simple_network
{
u64 revision;
efi_status_t (EFIAPI *start)(struct efi_simple_network *this);
efi_status_t (EFIAPI *stop)(struct efi_simple_network *this);
efi_status_t (EFIAPI *initialize)(struct efi_simple_network *this,
ulong extra_rx, ulong extra_tx);
efi_status_t (EFIAPI *reset)(struct efi_simple_network *this,
int extended_verification);
efi_status_t (EFIAPI *shutdown)(struct efi_simple_network *this);
efi_status_t (EFIAPI *receive_filters)(struct efi_simple_network *this,
u32 enable, u32 disable, int reset_mcast_filter,
ulong mcast_filter_count,
struct efi_mac_address *mcast_filter);
efi_status_t (EFIAPI *station_address)(struct efi_simple_network *this,
int reset, struct efi_mac_address *new_mac);
efi_status_t (EFIAPI *statistics)(struct efi_simple_network *this,
int reset, ulong *stat_size, void *stat_table);
efi_status_t (EFIAPI *mcastiptomac)(struct efi_simple_network *this,
int ipv6, struct efi_ip_address *ip,
struct efi_mac_address *mac);
efi_status_t (EFIAPI *nvdata)(struct efi_simple_network *this,
int read_write, ulong offset, ulong buffer_size,
char *buffer);
efi_status_t (EFIAPI *get_status)(struct efi_simple_network *this,
u32 *int_status, void **txbuf);
efi_status_t (EFIAPI *transmit)(struct efi_simple_network *this,
size_t header_size, size_t buffer_size, void *buffer,
struct efi_mac_address *src_addr,
struct efi_mac_address *dest_addr, u16 *protocol);
efi_status_t (EFIAPI *receive)(struct efi_simple_network *this,
size_t *header_size, size_t *buffer_size, void *buffer,
struct efi_mac_address *src_addr,
struct efi_mac_address *dest_addr, u16 *protocol);
struct efi_event *wait_for_packet;
struct efi_simple_network_mode *mode;
};
#define EFI_PXE_GUID \
EFI_GUID(0x03c4e603, 0xac28, 0x11d3, \
0x9a, 0x2d, 0x00, 0x90, 0x27, 0x3f, 0xc1, 0x4d)
struct efi_pxe_packet {
u8 packet[1472];
};
struct efi_pxe_mode
{
u8 started;
u8 ipv6_available;
u8 ipv6_supported;
u8 using_ipv6;
u8 bis_supported;
u8 bis_detected;
u8 auto_arp;
u8 send_guid;
u8 dhcp_discover_valid;
u8 dhcp_ack_received;
u8 proxy_offer_received;
u8 pxe_discover_valid;
u8 pxe_reply_received;
u8 pxe_bis_reply_received;
u8 icmp_error_received;
u8 tftp_error_received;
u8 make_callbacks;
u8 ttl;
u8 tos;
u8 pad;
struct efi_ip_address station_ip;
struct efi_ip_address subnet_mask;
struct efi_pxe_packet dhcp_discover;
struct efi_pxe_packet dhcp_ack;
struct efi_pxe_packet proxy_offer;
struct efi_pxe_packet pxe_discover;
struct efi_pxe_packet pxe_reply;
};
struct efi_pxe {
u64 rev;
void (EFIAPI *start)(void);
void (EFIAPI *stop)(void);
void (EFIAPI *dhcp)(void);
void (EFIAPI *discover)(void);
void (EFIAPI *mftp)(void);
void (EFIAPI *udpwrite)(void);
void (EFIAPI *udpread)(void);
void (EFIAPI *setipfilter)(void);
void (EFIAPI *arp)(void);
void (EFIAPI *setparams)(void);
void (EFIAPI *setstationip)(void);
void (EFIAPI *setpackets)(void);
struct efi_pxe_mode *mode;
};
#define EFI_SIMPLE_FILE_SYSTEM_PROTOCOL_GUID \
EFI_GUID(0x964e5b22, 0x6459, 0x11d2, \
0x8e, 0x39, 0x0, 0xa0, 0xc9, 0x69, 0x72, 0x3b)
#define EFI_FILE_PROTOCOL_REVISION 0x00010000
struct efi_file_handle {
u64 rev;
efi_status_t (EFIAPI *open)(struct efi_file_handle *file,
struct efi_file_handle **new_handle,
s16 *file_name, u64 open_mode, u64 attributes);
efi_status_t (EFIAPI *close)(struct efi_file_handle *file);
efi_status_t (EFIAPI *delete)(struct efi_file_handle *file);
efi_status_t (EFIAPI *read)(struct efi_file_handle *file,
efi_uintn_t *buffer_size, void *buffer);
efi_status_t (EFIAPI *write)(struct efi_file_handle *file,
efi_uintn_t *buffer_size, void *buffer);
efi_status_t (EFIAPI *getpos)(struct efi_file_handle *file,
efi_uintn_t *pos);
efi_status_t (EFIAPI *setpos)(struct efi_file_handle *file,
efi_uintn_t pos);
efi_status_t (EFIAPI *getinfo)(struct efi_file_handle *file,
const efi_guid_t *info_type, efi_uintn_t *buffer_size,
void *buffer);
efi_status_t (EFIAPI *setinfo)(struct efi_file_handle *file,
const efi_guid_t *info_type, efi_uintn_t buffer_size,
void *buffer);
efi_status_t (EFIAPI *flush)(struct efi_file_handle *file);
};
#define EFI_SIMPLE_FILE_SYSTEM_PROTOCOL_GUID \
EFI_GUID(0x964e5b22, 0x6459, 0x11d2, \
0x8e, 0x39, 0x0, 0xa0, 0xc9, 0x69, 0x72, 0x3b)
#define EFI_SIMPLE_FILE_SYSTEM_PROTOCOL_REVISION 0x00010000
struct efi_simple_file_system_protocol {
u64 rev;
efi_status_t (EFIAPI *open_volume)(struct efi_simple_file_system_protocol *this,
struct efi_file_handle **root);
};
#define EFI_FILE_INFO_GUID \
EFI_GUID(0x9576e92, 0x6d3f, 0x11d2, \
0x8e, 0x39, 0x0, 0xa0, 0xc9, 0x69, 0x72, 0x3b)
#define EFI_FILE_SYSTEM_INFO_GUID \
EFI_GUID(0x09576e93, 0x6d3f, 0x11d2, \
0x8e, 0x39, 0x00, 0xa0, 0xc9, 0x69, 0x72, 0x3b)
#define EFI_FILE_MODE_READ 0x0000000000000001
#define EFI_FILE_MODE_WRITE 0x0000000000000002
#define EFI_FILE_MODE_CREATE 0x8000000000000000
#define EFI_FILE_READ_ONLY 0x0000000000000001
#define EFI_FILE_HIDDEN 0x0000000000000002
#define EFI_FILE_SYSTEM 0x0000000000000004
#define EFI_FILE_RESERVED 0x0000000000000008
#define EFI_FILE_DIRECTORY 0x0000000000000010
#define EFI_FILE_ARCHIVE 0x0000000000000020
#define EFI_FILE_VALID_ATTR 0x0000000000000037
struct efi_file_info {
u64 size;
u64 file_size;
u64 physical_size;
struct efi_time create_time;
struct efi_time last_access_time;
struct efi_time modification_time;
u64 attribute;
s16 file_name[0];
};
struct efi_file_system_info {
u64 size;
u8 read_only;
u64 volume_size;
u64 free_space;
u32 block_size;
u16 volume_label[0];
};
#define EFI_DRIVER_BINDING_PROTOCOL_GUID \
EFI_GUID(0x18a031ab, 0xb443, 0x4d1a,\
0xa5, 0xc0, 0x0c, 0x09, 0x26, 0x1e, 0x9f, 0x71)
struct efi_driver_binding_protocol {
efi_status_t (EFIAPI * supported)(
struct efi_driver_binding_protocol *this,
efi_handle_t controller_handle,
struct efi_device_path *remaining_device_path);
efi_status_t (EFIAPI * start)(
struct efi_driver_binding_protocol *this,
efi_handle_t controller_handle,
struct efi_device_path *remaining_device_path);
efi_status_t (EFIAPI * stop)(
struct efi_driver_binding_protocol *this,
efi_handle_t controller_handle,
efi_uintn_t number_of_children,
efi_handle_t *child_handle_buffer);
u32 version;
efi_handle_t image_handle;
efi_handle_t driver_binding_handle;
};
#endif