1*867a6ac8SSimon Glass /* 2*867a6ac8SSimon Glass * Extensible Firmware Interface 3*867a6ac8SSimon Glass * Based on 'Extensible Firmware Interface Specification' version 0.9, 4*867a6ac8SSimon Glass * April 30, 1999 5*867a6ac8SSimon Glass * 6*867a6ac8SSimon Glass * Copyright (C) 1999 VA Linux Systems 7*867a6ac8SSimon Glass * Copyright (C) 1999 Walt Drummond <drummond@valinux.com> 8*867a6ac8SSimon Glass * Copyright (C) 1999, 2002-2003 Hewlett-Packard Co. 9*867a6ac8SSimon Glass * David Mosberger-Tang <davidm@hpl.hp.com> 10*867a6ac8SSimon Glass * Stephane Eranian <eranian@hpl.hp.com> 11*867a6ac8SSimon Glass * 12*867a6ac8SSimon Glass * From include/linux/efi.h in kernel 4.1 with some additions/subtractions 13*867a6ac8SSimon Glass */ 14*867a6ac8SSimon Glass 15*867a6ac8SSimon Glass #ifndef _EFI_API_H 16*867a6ac8SSimon Glass #define _EFI_API_H 17*867a6ac8SSimon Glass 18*867a6ac8SSimon Glass #include <efi.h> 19*867a6ac8SSimon Glass 20*867a6ac8SSimon Glass /* EFI Boot Services table */ 21*867a6ac8SSimon Glass struct efi_boot_services { 22*867a6ac8SSimon Glass struct efi_table_hdr hdr; 23*867a6ac8SSimon Glass void *raise_tpl; 24*867a6ac8SSimon Glass void *restore_tpl; 25*867a6ac8SSimon Glass 26*867a6ac8SSimon Glass efi_status_t (EFIAPI *allocate_pages)(int, int, unsigned long, 27*867a6ac8SSimon Glass efi_physical_addr_t *); 28*867a6ac8SSimon Glass efi_status_t (EFIAPI *free_pages)(efi_physical_addr_t, unsigned long); 29*867a6ac8SSimon Glass efi_status_t (EFIAPI *get_memory_map)(unsigned long *memory_map_size, 30*867a6ac8SSimon Glass struct efi_mem_desc *desc, unsigned long *key, 31*867a6ac8SSimon Glass unsigned long *desc_size, u32 *desc_version); 32*867a6ac8SSimon Glass efi_status_t (EFIAPI *allocate_pool)(int, unsigned long, void **); 33*867a6ac8SSimon Glass efi_status_t (EFIAPI *free_pool)(void *); 34*867a6ac8SSimon Glass 35*867a6ac8SSimon Glass void *create_event; 36*867a6ac8SSimon Glass void *set_timer; 37*867a6ac8SSimon Glass efi_status_t(EFIAPI *wait_for_event)(unsigned long number_of_events, 38*867a6ac8SSimon Glass void *event, unsigned long *index); 39*867a6ac8SSimon Glass void *signal_event; 40*867a6ac8SSimon Glass void *close_event; 41*867a6ac8SSimon Glass void *check_event; 42*867a6ac8SSimon Glass 43*867a6ac8SSimon Glass void *install_protocol_interface; 44*867a6ac8SSimon Glass void *reinstall_protocol_interface; 45*867a6ac8SSimon Glass void *uninstall_protocol_interface; 46*867a6ac8SSimon Glass efi_status_t (EFIAPI *handle_protocol)(efi_handle_t, efi_guid_t *, 47*867a6ac8SSimon Glass void **); 48*867a6ac8SSimon Glass void *reserved; 49*867a6ac8SSimon Glass void *register_protocol_notify; 50*867a6ac8SSimon Glass efi_status_t (EFIAPI *locate_handle)( 51*867a6ac8SSimon Glass enum efi_locate_search_type search_type, 52*867a6ac8SSimon Glass efi_guid_t *protocol, void *search_key, 53*867a6ac8SSimon Glass unsigned long *buffer_size, efi_handle_t *buffer); 54*867a6ac8SSimon Glass efi_status_t (EFIAPI *locate_device_path)(efi_guid_t *protocol, 55*867a6ac8SSimon Glass struct efi_device_path **device_path, 56*867a6ac8SSimon Glass efi_handle_t *device); 57*867a6ac8SSimon Glass void *install_configuration_table; 58*867a6ac8SSimon Glass 59*867a6ac8SSimon Glass efi_status_t (EFIAPI *load_image)(bool boot_policiy, 60*867a6ac8SSimon Glass efi_handle_t parent_image, 61*867a6ac8SSimon Glass struct efi_device_path *file_path, void *source_buffer, 62*867a6ac8SSimon Glass unsigned long source_size, efi_handle_t *image); 63*867a6ac8SSimon Glass efi_status_t (EFIAPI *start_image)(efi_handle_t handle, 64*867a6ac8SSimon Glass unsigned long *exitdata_size, 65*867a6ac8SSimon Glass s16 **exitdata); 66*867a6ac8SSimon Glass efi_status_t (EFIAPI *exit)(efi_handle_t handle, 67*867a6ac8SSimon Glass efi_status_t exit_status, 68*867a6ac8SSimon Glass unsigned long exitdata_size, s16 *exitdata); 69*867a6ac8SSimon Glass void *unload_image; 70*867a6ac8SSimon Glass efi_status_t (EFIAPI *exit_boot_services)(efi_handle_t, unsigned long); 71*867a6ac8SSimon Glass 72*867a6ac8SSimon Glass efi_status_t (EFIAPI *get_next_monotonic_count)(u64 *count); 73*867a6ac8SSimon Glass efi_status_t (EFIAPI *stall)(unsigned long usecs); 74*867a6ac8SSimon Glass void *set_watchdog_timer; 75*867a6ac8SSimon Glass efi_status_t(EFIAPI *connect_controller)(efi_handle_t controller_handle, 76*867a6ac8SSimon Glass efi_handle_t *driver_image_handle, 77*867a6ac8SSimon Glass struct efi_device_path *remaining_device_path, 78*867a6ac8SSimon Glass bool recursive); 79*867a6ac8SSimon Glass void *disconnect_controller; 80*867a6ac8SSimon Glass #define EFI_OPEN_PROTOCOL_BY_HANDLE_PROTOCOL 0x00000001 81*867a6ac8SSimon Glass #define EFI_OPEN_PROTOCOL_GET_PROTOCOL 0x00000002 82*867a6ac8SSimon Glass #define EFI_OPEN_PROTOCOL_TEST_PROTOCOL 0x00000004 83*867a6ac8SSimon Glass #define EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER 0x00000008 84*867a6ac8SSimon Glass #define EFI_OPEN_PROTOCOL_BY_DRIVER 0x00000010 85*867a6ac8SSimon Glass #define EFI_OPEN_PROTOCOL_EXCLUSIVE 0x00000020 86*867a6ac8SSimon Glass efi_status_t (EFIAPI *open_protocol)(efi_handle_t handle, 87*867a6ac8SSimon Glass efi_guid_t *protocol, void **interface, 88*867a6ac8SSimon Glass efi_handle_t agent_handle, 89*867a6ac8SSimon Glass efi_handle_t controller_handle, u32 attributes); 90*867a6ac8SSimon Glass void *close_protocol; 91*867a6ac8SSimon Glass efi_status_t(EFIAPI *open_protocol_information)(efi_handle_t handle, 92*867a6ac8SSimon Glass efi_guid_t *protocol, 93*867a6ac8SSimon Glass struct efi_open_protocol_info_entry **entry_buffer, 94*867a6ac8SSimon Glass unsigned long *entry_count); 95*867a6ac8SSimon Glass efi_status_t (EFIAPI *protocols_per_handle)(efi_handle_t handle, 96*867a6ac8SSimon Glass efi_guid_t ***protocol_buffer, 97*867a6ac8SSimon Glass unsigned long *protocols_buffer_count); 98*867a6ac8SSimon Glass efi_status_t (EFIAPI *locate_handle_buffer) ( 99*867a6ac8SSimon Glass enum efi_locate_search_type search_type, 100*867a6ac8SSimon Glass efi_guid_t *protocol, void *search_key, 101*867a6ac8SSimon Glass unsigned long *no_handles, efi_handle_t **buffer); 102*867a6ac8SSimon Glass void *locate_protocol; 103*867a6ac8SSimon Glass void *install_multiple_protocol_interfaces; 104*867a6ac8SSimon Glass void *uninstall_multiple_protocol_interfaces; 105*867a6ac8SSimon Glass void *calculate_crc32; 106*867a6ac8SSimon Glass void *copy_mem; 107*867a6ac8SSimon Glass void *set_mem; 108*867a6ac8SSimon Glass void *create_event_ex; 109*867a6ac8SSimon Glass }; 110*867a6ac8SSimon Glass 111*867a6ac8SSimon Glass /* Types and defines for EFI ResetSystem */ 112*867a6ac8SSimon Glass enum efi_reset_type { 113*867a6ac8SSimon Glass EFI_RESET_COLD = 0, 114*867a6ac8SSimon Glass EFI_RESET_WARM = 1, 115*867a6ac8SSimon Glass EFI_RESET_SHUTDOWN = 2 116*867a6ac8SSimon Glass }; 117*867a6ac8SSimon Glass 118*867a6ac8SSimon Glass /* EFI Runtime Services table */ 119*867a6ac8SSimon Glass #define EFI_RUNTIME_SERVICES_SIGNATURE 0x5652453544e5552ULL 120*867a6ac8SSimon Glass #define EFI_RUNTIME_SERVICES_REVISION 0x00010000 121*867a6ac8SSimon Glass 122*867a6ac8SSimon Glass struct efi_runtime_services { 123*867a6ac8SSimon Glass struct efi_table_hdr hdr; 124*867a6ac8SSimon Glass void *get_time; 125*867a6ac8SSimon Glass void *set_time; 126*867a6ac8SSimon Glass void *get_wakeup_time; 127*867a6ac8SSimon Glass void *set_wakeup_time; 128*867a6ac8SSimon Glass void *set_virtual_address_map; 129*867a6ac8SSimon Glass void *convert_pointer; 130*867a6ac8SSimon Glass efi_status_t (EFIAPI *get_variable)(s16 *variable_name, 131*867a6ac8SSimon Glass efi_guid_t *vendor, u32 *attributes, 132*867a6ac8SSimon Glass unsigned long *data_size, void *data); 133*867a6ac8SSimon Glass efi_status_t (EFIAPI *get_next_variable)( 134*867a6ac8SSimon Glass unsigned long *variable_name_size, 135*867a6ac8SSimon Glass s16 *variable_name, efi_guid_t *vendor); 136*867a6ac8SSimon Glass efi_status_t (EFIAPI *set_variable)(s16 *variable_name, 137*867a6ac8SSimon Glass efi_guid_t *vendor, u32 attributes, 138*867a6ac8SSimon Glass unsigned long data_size, void *data); 139*867a6ac8SSimon Glass void *get_next_high_mono_count; 140*867a6ac8SSimon Glass void (EFIAPI *reset_system)(enum efi_reset_type reset_type, 141*867a6ac8SSimon Glass efi_status_t reset_status, 142*867a6ac8SSimon Glass unsigned long data_size, void *reset_data); 143*867a6ac8SSimon Glass void *update_capsule; 144*867a6ac8SSimon Glass void *query_capsule_caps; 145*867a6ac8SSimon Glass void *query_variable_info; 146*867a6ac8SSimon Glass }; 147*867a6ac8SSimon Glass 148*867a6ac8SSimon Glass /* EFI Configuration Table and GUID definitions */ 149*867a6ac8SSimon Glass #define NULL_GUID \ 150*867a6ac8SSimon Glass EFI_GUID(0x00000000, 0x0000, 0x0000, 0x00, 0x00, \ 151*867a6ac8SSimon Glass 0x00, 0x00, 0x00, 0x00, 0x00, 0x00) 152*867a6ac8SSimon Glass 153*867a6ac8SSimon Glass #define LOADED_IMAGE_PROTOCOL_GUID \ 154*867a6ac8SSimon Glass EFI_GUID(0x5b1b31a1, 0x9562, 0x11d2, 0x8e, 0x3f, \ 155*867a6ac8SSimon Glass 0x00, 0xa0, 0xc9, 0x69, 0x72, 0x3b) 156*867a6ac8SSimon Glass 157*867a6ac8SSimon Glass struct efi_system_table { 158*867a6ac8SSimon Glass struct efi_table_hdr hdr; 159*867a6ac8SSimon Glass unsigned long fw_vendor; /* physical addr of wchar_t vendor string */ 160*867a6ac8SSimon Glass u32 fw_revision; 161*867a6ac8SSimon Glass unsigned long con_in_handle; 162*867a6ac8SSimon Glass struct efi_simple_input_interface *con_in; 163*867a6ac8SSimon Glass unsigned long con_out_handle; 164*867a6ac8SSimon Glass struct efi_simple_text_output_protocol *con_out; 165*867a6ac8SSimon Glass unsigned long stderr_handle; 166*867a6ac8SSimon Glass unsigned long std_err; 167*867a6ac8SSimon Glass struct efi_runtime_services *runtime; 168*867a6ac8SSimon Glass struct efi_boot_services *boottime; 169*867a6ac8SSimon Glass unsigned long nr_tables; 170*867a6ac8SSimon Glass unsigned long tables; 171*867a6ac8SSimon Glass }; 172*867a6ac8SSimon Glass 173*867a6ac8SSimon Glass struct efi_loaded_image { 174*867a6ac8SSimon Glass u32 revision; 175*867a6ac8SSimon Glass void *parent_handle; 176*867a6ac8SSimon Glass struct efi_system_table *system_table; 177*867a6ac8SSimon Glass void *device_handle; 178*867a6ac8SSimon Glass void *file_path; 179*867a6ac8SSimon Glass void *reserved; 180*867a6ac8SSimon Glass u32 load_options_size; 181*867a6ac8SSimon Glass void *load_options; 182*867a6ac8SSimon Glass void *image_base; 183*867a6ac8SSimon Glass aligned_u64 image_size; 184*867a6ac8SSimon Glass unsigned int image_code_type; 185*867a6ac8SSimon Glass unsigned int image_data_type; 186*867a6ac8SSimon Glass unsigned long unload; 187*867a6ac8SSimon Glass }; 188*867a6ac8SSimon Glass 189*867a6ac8SSimon Glass struct efi_device_path { 190*867a6ac8SSimon Glass u8 type; 191*867a6ac8SSimon Glass u8 sub_type; 192*867a6ac8SSimon Glass u16 length; 193*867a6ac8SSimon Glass }; 194*867a6ac8SSimon Glass 195*867a6ac8SSimon Glass struct simple_text_output_mode { 196*867a6ac8SSimon Glass s32 max_mode; 197*867a6ac8SSimon Glass s32 mode; 198*867a6ac8SSimon Glass s32 attribute; 199*867a6ac8SSimon Glass s32 cursor_column; 200*867a6ac8SSimon Glass s32 cursor_row; 201*867a6ac8SSimon Glass bool cursor_visible; 202*867a6ac8SSimon Glass }; 203*867a6ac8SSimon Glass 204*867a6ac8SSimon Glass struct efi_simple_text_output_protocol { 205*867a6ac8SSimon Glass void *reset; 206*867a6ac8SSimon Glass efi_status_t (EFIAPI *output_string)( 207*867a6ac8SSimon Glass struct efi_simple_text_output_protocol *this, 208*867a6ac8SSimon Glass const unsigned short *str); 209*867a6ac8SSimon Glass void *test_string; 210*867a6ac8SSimon Glass 211*867a6ac8SSimon Glass efi_status_t(EFIAPI *query_mode)( 212*867a6ac8SSimon Glass struct efi_simple_text_output_protocol *this, 213*867a6ac8SSimon Glass unsigned long mode_number, unsigned long *columns, 214*867a6ac8SSimon Glass unsigned long *rows); 215*867a6ac8SSimon Glass efi_status_t(EFIAPI *set_mode)( 216*867a6ac8SSimon Glass struct efi_simple_text_output_protocol *this, 217*867a6ac8SSimon Glass unsigned long mode_number); 218*867a6ac8SSimon Glass efi_status_t(EFIAPI *set_attribute)( 219*867a6ac8SSimon Glass struct efi_simple_text_output_protocol *this, 220*867a6ac8SSimon Glass unsigned long attribute); 221*867a6ac8SSimon Glass efi_status_t(EFIAPI *clear_screen) ( 222*867a6ac8SSimon Glass struct efi_simple_text_output_protocol *this); 223*867a6ac8SSimon Glass efi_status_t(EFIAPI *set_cursor_position) ( 224*867a6ac8SSimon Glass struct efi_simple_text_output_protocol *this, 225*867a6ac8SSimon Glass unsigned long column, unsigned long row); 226*867a6ac8SSimon Glass efi_status_t(EFIAPI *enable_cursor)(void *, bool enable); 227*867a6ac8SSimon Glass struct simple_text_output_mode *mode; 228*867a6ac8SSimon Glass }; 229*867a6ac8SSimon Glass 230*867a6ac8SSimon Glass struct efi_input_key { 231*867a6ac8SSimon Glass u16 scan_code; 232*867a6ac8SSimon Glass s16 unicode_char; 233*867a6ac8SSimon Glass }; 234*867a6ac8SSimon Glass 235*867a6ac8SSimon Glass struct efi_simple_input_interface { 236*867a6ac8SSimon Glass efi_status_t(EFIAPI *reset)(struct efi_simple_input_interface *this, 237*867a6ac8SSimon Glass bool ExtendedVerification); 238*867a6ac8SSimon Glass efi_status_t(EFIAPI *read_key_stroke)( 239*867a6ac8SSimon Glass struct efi_simple_input_interface *this, 240*867a6ac8SSimon Glass struct efi_input_key *key); 241*867a6ac8SSimon Glass void *wait_for_key; 242*867a6ac8SSimon Glass }; 243*867a6ac8SSimon Glass 244*867a6ac8SSimon Glass #endif 245