| /* |
| * 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> |
| |
| /* Types and defines for EFI CreateEvent */ |
| enum efi_event_type { |
| EFI_TIMER_STOP = 0, |
| EFI_TIMER_PERIODIC = 1, |
| EFI_TIMER_RELATIVE = 2 |
| }; |
| |
| /* EFI Boot Services table */ |
| struct efi_boot_services { |
| struct efi_table_hdr hdr; |
| efi_status_t (EFIAPI *raise_tpl)(unsigned long new_tpl); |
| void (EFIAPI *restore_tpl)(unsigned long old_tpl); |
| |
| efi_status_t (EFIAPI *allocate_pages)(int, int, unsigned long, |
| efi_physical_addr_t *); |
| efi_status_t (EFIAPI *free_pages)(efi_physical_addr_t, unsigned long); |
| efi_status_t (EFIAPI *get_memory_map)(unsigned long *memory_map_size, |
| struct efi_mem_desc *desc, unsigned long *key, |
| unsigned long *desc_size, u32 *desc_version); |
| efi_status_t (EFIAPI *allocate_pool)(int, unsigned long, void **); |
| efi_status_t (EFIAPI *free_pool)(void *); |
| |
| efi_status_t (EFIAPI *create_event)(enum efi_event_type type, |
| unsigned long notify_tpl, |
| void (EFIAPI *notify_function) (void *event, |
| void *context), |
| void *notify_context, void **event); |
| efi_status_t (EFIAPI *set_timer)(void *event, int type, |
| uint64_t trigger_time); |
| efi_status_t (EFIAPI *wait_for_event)(unsigned long number_of_events, |
| void *event, unsigned long *index); |
| efi_status_t (EFIAPI *signal_event)(void *event); |
| efi_status_t (EFIAPI *close_event)(void *event); |
| efi_status_t (EFIAPI *check_event)(void *event); |
| |
| efi_status_t (EFIAPI *install_protocol_interface)( |
| void **handle, efi_guid_t *protocol, |
| int protocol_interface_type, void *protocol_interface); |
| efi_status_t (EFIAPI *reinstall_protocol_interface)( |
| void *handle, efi_guid_t *protocol, |
| void *old_interface, void *new_interface); |
| efi_status_t (EFIAPI *uninstall_protocol_interface)(void *handle, |
| efi_guid_t *protocol, void *protocol_interface); |
| efi_status_t (EFIAPI *handle_protocol)(efi_handle_t, efi_guid_t *, |
| void **); |
| void *reserved; |
| efi_status_t (EFIAPI *register_protocol_notify)( |
| efi_guid_t *protocol, void *event, |
| void **registration); |
| efi_status_t (EFIAPI *locate_handle)( |
| enum efi_locate_search_type search_type, |
| efi_guid_t *protocol, void *search_key, |
| unsigned long *buffer_size, efi_handle_t *buffer); |
| efi_status_t (EFIAPI *locate_device_path)(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, |
| unsigned long 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)(void *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)(void *controller_handle, |
| void *driver_image_handle, void *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, |
| efi_guid_t *protocol, void **interface, |
| efi_handle_t agent_handle, |
| efi_handle_t controller_handle, u32 attributes); |
| efi_status_t (EFIAPI *close_protocol)(void *handle, |
| efi_guid_t *protocol, void *agent_handle, |
| void *controller_handle); |
| efi_status_t(EFIAPI *open_protocol_information)(efi_handle_t handle, |
| efi_guid_t *protocol, |
| struct efi_open_protocol_info_entry **entry_buffer, |
| unsigned long *entry_count); |
| efi_status_t (EFIAPI *protocols_per_handle)(efi_handle_t handle, |
| efi_guid_t ***protocol_buffer, |
| unsigned long *protocols_buffer_count); |
| efi_status_t (EFIAPI *locate_handle_buffer) ( |
| enum efi_locate_search_type search_type, |
| efi_guid_t *protocol, void *search_key, |
| unsigned long *no_handles, efi_handle_t **buffer); |
| efi_status_t (EFIAPI *locate_protocol)(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, void *source, |
| unsigned long length); |
| void (EFIAPI *set_mem)(void *buffer, unsigned long size, |
| uint8_t value); |
| void *create_event_ex; |
| }; |
| |
| /* Types and defines for EFI ResetSystem */ |
| enum efi_reset_type { |
| EFI_RESET_COLD = 0, |
| EFI_RESET_WARM = 1, |
| EFI_RESET_SHUTDOWN = 2 |
| }; |
| |
| /* EFI Runtime Services table */ |
| #define EFI_RUNTIME_SERVICES_SIGNATURE 0x5652453544e5552ULL |
| #define EFI_RUNTIME_SERVICES_REVISION 0x00010000 |
| |
| 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)(s16 *variable_name, |
| efi_guid_t *vendor, u32 *attributes, |
| unsigned long *data_size, void *data); |
| efi_status_t (EFIAPI *get_next_variable)( |
| unsigned long *variable_name_size, |
| s16 *variable_name, efi_guid_t *vendor); |
| efi_status_t (EFIAPI *set_variable)(s16 *variable_name, |
| efi_guid_t *vendor, u32 attributes, |
| unsigned long 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); |
| void *update_capsule; |
| void *query_capsule_caps; |
| void *query_variable_info; |
| }; |
| |
| /* EFI Configuration Table and GUID definitions */ |
| #define NULL_GUID \ |
| EFI_GUID(0x00000000, 0x0000, 0x0000, 0x00, 0x00, \ |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00) |
| |
| #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) |
| |
| 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; |
| unsigned long con_in_handle; |
| struct efi_simple_input_interface *con_in; |
| unsigned long con_out_handle; |
| struct efi_simple_text_output_protocol *con_out; |
| unsigned long stderr_handle; |
| struct efi_simple_text_output_protocol *std_err; |
| struct efi_runtime_services *runtime; |
| struct efi_boot_services *boottime; |
| unsigned long 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; |
| void *device_handle; |
| void *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; |
| }; |
| |
| #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_END 0xff |
| |
| struct efi_device_path { |
| u8 type; |
| u8 sub_type; |
| u16 length; |
| }; |
| |
| #define DEVICE_PATH_TYPE_MEDIA_DEVICE 0x04 |
| # define DEVICE_PATH_SUB_TYPE_FILE_PATH 0x04 |
| |
| struct efi_device_path_file_path { |
| struct efi_device_path dp; |
| u16 str[32]; |
| }; |
| |
| #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; |
| }; |
| |
| 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, unsigned long buffer_size, |
| void *buffer); |
| efi_status_t (EFIAPI *write_blocks)(struct efi_block_io *this, |
| u32 media_id, u64 lba, unsigned long 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; |
| }; |
| |
| struct efi_simple_text_output_protocol { |
| void *reset; |
| efi_status_t (EFIAPI *output_string)( |
| struct efi_simple_text_output_protocol *this, |
| const unsigned short *str); |
| efi_status_t (EFIAPI *test_string)( |
| struct efi_simple_text_output_protocol *this, |
| const unsigned short *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; |
| }; |
| |
| 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); |
| void *wait_for_key; |
| }; |
| |
| #define CONSOLE_CONTROL_GUID \ |
| EFI_GUID(0xf42f7782, 0x12e, 0x4c12, \ |
| 0x99, 0x56, 0x49, 0xf9, 0x43, 0x4, 0xf7, 0x21) |
| #define EFI_CONSOLE_MODE_TEXT 0 |
| #define EFI_CONSOLE_MODE_GFX 1 |
| |
| struct efi_console_control_protocol |
| { |
| efi_status_t (EFIAPI *get_mode)( |
| struct efi_console_control_protocol *this, int *mode, |
| char *uga_exists, char *std_in_locked); |
| efi_status_t (EFIAPI *set_mode)( |
| struct efi_console_control_protocol *this, int mode); |
| efi_status_t (EFIAPI *lock_std_in)( |
| struct efi_console_control_protocol *this, |
| uint16_t *password); |
| }; |
| |
| #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; |
| }; |
| |
| #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, |
| unsigned long *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, void *buffer, |
| unsigned long operation, unsigned long sx, |
| unsigned long sy, unsigned long dx, |
| unsigned long dy, unsigned long width, |
| unsigned long height, unsigned long delta); |
| struct efi_gop_mode *mode; |
| }; |
| |
| #endif |