1b2441318SGreg Kroah-Hartman /* SPDX-License-Identifier: GPL-2.0 */ 2f4f75ad5SArd Biesheuvel 3f4f75ad5SArd Biesheuvel #ifndef _DRIVERS_FIRMWARE_EFI_EFISTUB_H 4f4f75ad5SArd Biesheuvel #define _DRIVERS_FIRMWARE_EFI_EFISTUB_H 5f4f75ad5SArd Biesheuvel 6f4f75ad5SArd Biesheuvel /* error code which can't be mistaken for valid address */ 7f4f75ad5SArd Biesheuvel #define EFI_ERROR (~0UL) 8f4f75ad5SArd Biesheuvel 907e83dbbSArd Biesheuvel /* 1007e83dbbSArd Biesheuvel * __init annotations should not be used in the EFI stub, since the code is 1107e83dbbSArd Biesheuvel * either included in the decompressor (x86, ARM) where they have no effect, 1207e83dbbSArd Biesheuvel * or the whole stub is __init annotated at the section level (arm64), by 1307e83dbbSArd Biesheuvel * renaming the sections, in which case the __init annotation will be 1407e83dbbSArd Biesheuvel * redundant, and will result in section names like .init.init.text, and our 1507e83dbbSArd Biesheuvel * linker script does not expect that. 1607e83dbbSArd Biesheuvel */ 1707e83dbbSArd Biesheuvel #undef __init 1807e83dbbSArd Biesheuvel 19a6a14469SArd Biesheuvel /* 20a6a14469SArd Biesheuvel * Allow the platform to override the allocation granularity: this allows 21a6a14469SArd Biesheuvel * systems that have the capability to run with a larger page size to deal 22a6a14469SArd Biesheuvel * with the allocations for initrd and fdt more efficiently. 23a6a14469SArd Biesheuvel */ 24a6a14469SArd Biesheuvel #ifndef EFI_ALLOC_ALIGN 25a6a14469SArd Biesheuvel #define EFI_ALLOC_ALIGN EFI_PAGE_SIZE 26a6a14469SArd Biesheuvel #endif 27a6a14469SArd Biesheuvel 28105cb954SArvind Sankar #if defined(CONFIG_ARM) || defined(CONFIG_X86) 297d4e323dSArd Biesheuvel #define __efistub_global __section(.data) 307d4e323dSArd Biesheuvel #else 317d4e323dSArd Biesheuvel #define __efistub_global 327d4e323dSArd Biesheuvel #endif 337d4e323dSArd Biesheuvel 345193a33dSArd Biesheuvel extern bool __pure nochunk(void); 357d4e323dSArd Biesheuvel extern bool __pure nokaslr(void); 3679d3219dSArd Biesheuvel extern bool __pure noinitrd(void); 377d4e323dSArd Biesheuvel extern bool __pure is_quiet(void); 387d4e323dSArd Biesheuvel extern bool __pure novamap(void); 39eeff7d63SArd Biesheuvel 402fcdad2aSArd Biesheuvel extern __pure efi_system_table_t *efi_system_table(void); 412fcdad2aSArd Biesheuvel 428173ec79SArd Biesheuvel #define pr_efi(msg) do { \ 438173ec79SArd Biesheuvel if (!is_quiet()) efi_printk("EFI stub: "msg); \ 44eeff7d63SArd Biesheuvel } while (0) 45eeff7d63SArd Biesheuvel 468173ec79SArd Biesheuvel #define pr_efi_err(msg) efi_printk("EFI stub: ERROR: "msg) 4760f38de7SArd Biesheuvel 48ac9aff8eSIngo Molnar /* Helper macros for the usual case of using simple C variables: */ 49ac9aff8eSIngo Molnar #ifndef fdt_setprop_inplace_var 50ac9aff8eSIngo Molnar #define fdt_setprop_inplace_var(fdt, node_offset, name, var) \ 51ac9aff8eSIngo Molnar fdt_setprop_inplace((fdt), (node_offset), (name), &(var), sizeof(var)) 52ac9aff8eSIngo Molnar #endif 53ac9aff8eSIngo Molnar 54ac9aff8eSIngo Molnar #ifndef fdt_setprop_var 55ac9aff8eSIngo Molnar #define fdt_setprop_var(fdt, node_offset, name, var) \ 56ac9aff8eSIngo Molnar fdt_setprop((fdt), (node_offset), (name), &(var), sizeof(var)) 57ac9aff8eSIngo Molnar #endif 58ac9aff8eSIngo Molnar 59966291f6SArd Biesheuvel #define get_efi_var(name, vendor, ...) \ 60966291f6SArd Biesheuvel efi_rt_call(get_variable, (efi_char16_t *)(name), \ 61966291f6SArd Biesheuvel (efi_guid_t *)(vendor), __VA_ARGS__) 62966291f6SArd Biesheuvel 63966291f6SArd Biesheuvel #define set_efi_var(name, vendor, ...) \ 64966291f6SArd Biesheuvel efi_rt_call(set_variable, (efi_char16_t *)(name), \ 65966291f6SArd Biesheuvel (efi_guid_t *)(vendor), __VA_ARGS__) 66966291f6SArd Biesheuvel 678166ec09SArd Biesheuvel #define efi_get_handle_at(array, idx) \ 688166ec09SArd Biesheuvel (efi_is_native() ? (array)[idx] \ 698166ec09SArd Biesheuvel : (efi_handle_t)(unsigned long)((u32 *)(array))[idx]) 708166ec09SArd Biesheuvel 718166ec09SArd Biesheuvel #define efi_get_handle_num(size) \ 728166ec09SArd Biesheuvel ((size) / (efi_is_native() ? sizeof(efi_handle_t) : sizeof(u32))) 738166ec09SArd Biesheuvel 748166ec09SArd Biesheuvel #define for_each_efi_handle(handle, array, size, i) \ 758166ec09SArd Biesheuvel for (i = 0; \ 768166ec09SArd Biesheuvel i < efi_get_handle_num(size) && \ 778166ec09SArd Biesheuvel ((handle = efi_get_handle_at((array), i)) || true); \ 788166ec09SArd Biesheuvel i++) 798166ec09SArd Biesheuvel 808166ec09SArd Biesheuvel /* 818166ec09SArd Biesheuvel * Allocation types for calls to boottime->allocate_pages. 828166ec09SArd Biesheuvel */ 838166ec09SArd Biesheuvel #define EFI_ALLOCATE_ANY_PAGES 0 848166ec09SArd Biesheuvel #define EFI_ALLOCATE_MAX_ADDRESS 1 858166ec09SArd Biesheuvel #define EFI_ALLOCATE_ADDRESS 2 868166ec09SArd Biesheuvel #define EFI_MAX_ALLOCATE_TYPE 3 878166ec09SArd Biesheuvel 888166ec09SArd Biesheuvel /* 898166ec09SArd Biesheuvel * The type of search to perform when calling boottime->locate_handle 908166ec09SArd Biesheuvel */ 918166ec09SArd Biesheuvel #define EFI_LOCATE_ALL_HANDLES 0 928166ec09SArd Biesheuvel #define EFI_LOCATE_BY_REGISTER_NOTIFY 1 938166ec09SArd Biesheuvel #define EFI_LOCATE_BY_PROTOCOL 2 948166ec09SArd Biesheuvel 95fd626195SLenny Szubowicz /* 96fd626195SLenny Szubowicz * An efi_boot_memmap is used by efi_get_memory_map() to return the 97fd626195SLenny Szubowicz * EFI memory map in a dynamically allocated buffer. 98fd626195SLenny Szubowicz * 99fd626195SLenny Szubowicz * The buffer allocated for the EFI memory map includes extra room for 100fd626195SLenny Szubowicz * a minimum of EFI_MMAP_NR_SLACK_SLOTS additional EFI memory descriptors. 101fd626195SLenny Szubowicz * This facilitates the reuse of the EFI memory map buffer when a second 102fd626195SLenny Szubowicz * call to ExitBootServices() is needed because of intervening changes to 103fd626195SLenny Szubowicz * the EFI memory map. Other related structures, e.g. x86 e820ext, need 104fd626195SLenny Szubowicz * to factor in this headroom requirement as well. 105fd626195SLenny Szubowicz */ 106fd626195SLenny Szubowicz #define EFI_MMAP_NR_SLACK_SLOTS 8 107fd626195SLenny Szubowicz 1088166ec09SArd Biesheuvel struct efi_boot_memmap { 1098166ec09SArd Biesheuvel efi_memory_desc_t **map; 1108166ec09SArd Biesheuvel unsigned long *map_size; 1118166ec09SArd Biesheuvel unsigned long *desc_size; 1128166ec09SArd Biesheuvel u32 *desc_ver; 1138166ec09SArd Biesheuvel unsigned long *key_ptr; 1148166ec09SArd Biesheuvel unsigned long *buff_size; 1158166ec09SArd Biesheuvel }; 1168166ec09SArd Biesheuvel 117abd26868SArd Biesheuvel typedef struct efi_generic_dev_path efi_device_path_protocol_t; 118abd26868SArd Biesheuvel 1198166ec09SArd Biesheuvel /* 1208166ec09SArd Biesheuvel * EFI Boot Services table 1218166ec09SArd Biesheuvel */ 1228166ec09SArd Biesheuvel union efi_boot_services { 1238166ec09SArd Biesheuvel struct { 1248166ec09SArd Biesheuvel efi_table_hdr_t hdr; 1258166ec09SArd Biesheuvel void *raise_tpl; 1268166ec09SArd Biesheuvel void *restore_tpl; 1278166ec09SArd Biesheuvel efi_status_t (__efiapi *allocate_pages)(int, int, unsigned long, 1288166ec09SArd Biesheuvel efi_physical_addr_t *); 1298166ec09SArd Biesheuvel efi_status_t (__efiapi *free_pages)(efi_physical_addr_t, 1308166ec09SArd Biesheuvel unsigned long); 1318166ec09SArd Biesheuvel efi_status_t (__efiapi *get_memory_map)(unsigned long *, void *, 1328166ec09SArd Biesheuvel unsigned long *, 1338166ec09SArd Biesheuvel unsigned long *, u32 *); 1348166ec09SArd Biesheuvel efi_status_t (__efiapi *allocate_pool)(int, unsigned long, 1358166ec09SArd Biesheuvel void **); 1368166ec09SArd Biesheuvel efi_status_t (__efiapi *free_pool)(void *); 1378166ec09SArd Biesheuvel void *create_event; 1388166ec09SArd Biesheuvel void *set_timer; 1398166ec09SArd Biesheuvel void *wait_for_event; 1408166ec09SArd Biesheuvel void *signal_event; 1418166ec09SArd Biesheuvel void *close_event; 1428166ec09SArd Biesheuvel void *check_event; 1438166ec09SArd Biesheuvel void *install_protocol_interface; 1448166ec09SArd Biesheuvel void *reinstall_protocol_interface; 1458166ec09SArd Biesheuvel void *uninstall_protocol_interface; 1468166ec09SArd Biesheuvel efi_status_t (__efiapi *handle_protocol)(efi_handle_t, 1478166ec09SArd Biesheuvel efi_guid_t *, void **); 1488166ec09SArd Biesheuvel void *__reserved; 1498166ec09SArd Biesheuvel void *register_protocol_notify; 1508166ec09SArd Biesheuvel efi_status_t (__efiapi *locate_handle)(int, efi_guid_t *, 1518166ec09SArd Biesheuvel void *, unsigned long *, 1528166ec09SArd Biesheuvel efi_handle_t *); 153abd26868SArd Biesheuvel efi_status_t (__efiapi *locate_device_path)(efi_guid_t *, 154abd26868SArd Biesheuvel efi_device_path_protocol_t **, 155abd26868SArd Biesheuvel efi_handle_t *); 1568166ec09SArd Biesheuvel efi_status_t (__efiapi *install_configuration_table)(efi_guid_t *, 1578166ec09SArd Biesheuvel void *); 1588166ec09SArd Biesheuvel void *load_image; 1598166ec09SArd Biesheuvel void *start_image; 1603b8f44fcSArd Biesheuvel efi_status_t __noreturn (__efiapi *exit)(efi_handle_t, 1613b8f44fcSArd Biesheuvel efi_status_t, 1623b8f44fcSArd Biesheuvel unsigned long, 1633b8f44fcSArd Biesheuvel efi_char16_t *); 1648166ec09SArd Biesheuvel void *unload_image; 1658166ec09SArd Biesheuvel efi_status_t (__efiapi *exit_boot_services)(efi_handle_t, 1668166ec09SArd Biesheuvel unsigned long); 1678166ec09SArd Biesheuvel void *get_next_monotonic_count; 1688166ec09SArd Biesheuvel void *stall; 1698166ec09SArd Biesheuvel void *set_watchdog_timer; 1708166ec09SArd Biesheuvel void *connect_controller; 1718166ec09SArd Biesheuvel efi_status_t (__efiapi *disconnect_controller)(efi_handle_t, 1728166ec09SArd Biesheuvel efi_handle_t, 1738166ec09SArd Biesheuvel efi_handle_t); 1748166ec09SArd Biesheuvel void *open_protocol; 1758166ec09SArd Biesheuvel void *close_protocol; 1768166ec09SArd Biesheuvel void *open_protocol_information; 1778166ec09SArd Biesheuvel void *protocols_per_handle; 1788166ec09SArd Biesheuvel void *locate_handle_buffer; 1798166ec09SArd Biesheuvel efi_status_t (__efiapi *locate_protocol)(efi_guid_t *, void *, 1808166ec09SArd Biesheuvel void **); 1818166ec09SArd Biesheuvel void *install_multiple_protocol_interfaces; 1828166ec09SArd Biesheuvel void *uninstall_multiple_protocol_interfaces; 1838166ec09SArd Biesheuvel void *calculate_crc32; 1848166ec09SArd Biesheuvel void *copy_mem; 1858166ec09SArd Biesheuvel void *set_mem; 1868166ec09SArd Biesheuvel void *create_event_ex; 1878166ec09SArd Biesheuvel }; 1888166ec09SArd Biesheuvel struct { 1898166ec09SArd Biesheuvel efi_table_hdr_t hdr; 1908166ec09SArd Biesheuvel u32 raise_tpl; 1918166ec09SArd Biesheuvel u32 restore_tpl; 1928166ec09SArd Biesheuvel u32 allocate_pages; 1938166ec09SArd Biesheuvel u32 free_pages; 1948166ec09SArd Biesheuvel u32 get_memory_map; 1958166ec09SArd Biesheuvel u32 allocate_pool; 1968166ec09SArd Biesheuvel u32 free_pool; 1978166ec09SArd Biesheuvel u32 create_event; 1988166ec09SArd Biesheuvel u32 set_timer; 1998166ec09SArd Biesheuvel u32 wait_for_event; 2008166ec09SArd Biesheuvel u32 signal_event; 2018166ec09SArd Biesheuvel u32 close_event; 2028166ec09SArd Biesheuvel u32 check_event; 2038166ec09SArd Biesheuvel u32 install_protocol_interface; 2048166ec09SArd Biesheuvel u32 reinstall_protocol_interface; 2058166ec09SArd Biesheuvel u32 uninstall_protocol_interface; 2068166ec09SArd Biesheuvel u32 handle_protocol; 2078166ec09SArd Biesheuvel u32 __reserved; 2088166ec09SArd Biesheuvel u32 register_protocol_notify; 2098166ec09SArd Biesheuvel u32 locate_handle; 2108166ec09SArd Biesheuvel u32 locate_device_path; 2118166ec09SArd Biesheuvel u32 install_configuration_table; 2128166ec09SArd Biesheuvel u32 load_image; 2138166ec09SArd Biesheuvel u32 start_image; 2148166ec09SArd Biesheuvel u32 exit; 2158166ec09SArd Biesheuvel u32 unload_image; 2168166ec09SArd Biesheuvel u32 exit_boot_services; 2178166ec09SArd Biesheuvel u32 get_next_monotonic_count; 2188166ec09SArd Biesheuvel u32 stall; 2198166ec09SArd Biesheuvel u32 set_watchdog_timer; 2208166ec09SArd Biesheuvel u32 connect_controller; 2218166ec09SArd Biesheuvel u32 disconnect_controller; 2228166ec09SArd Biesheuvel u32 open_protocol; 2238166ec09SArd Biesheuvel u32 close_protocol; 2248166ec09SArd Biesheuvel u32 open_protocol_information; 2258166ec09SArd Biesheuvel u32 protocols_per_handle; 2268166ec09SArd Biesheuvel u32 locate_handle_buffer; 2278166ec09SArd Biesheuvel u32 locate_protocol; 2288166ec09SArd Biesheuvel u32 install_multiple_protocol_interfaces; 2298166ec09SArd Biesheuvel u32 uninstall_multiple_protocol_interfaces; 2308166ec09SArd Biesheuvel u32 calculate_crc32; 2318166ec09SArd Biesheuvel u32 copy_mem; 2328166ec09SArd Biesheuvel u32 set_mem; 2338166ec09SArd Biesheuvel u32 create_event_ex; 2348166ec09SArd Biesheuvel } mixed_mode; 2358166ec09SArd Biesheuvel }; 2368166ec09SArd Biesheuvel 237c2d0b470SArd Biesheuvel typedef union efi_uga_draw_protocol efi_uga_draw_protocol_t; 238c2d0b470SArd Biesheuvel 239c2d0b470SArd Biesheuvel union efi_uga_draw_protocol { 240c2d0b470SArd Biesheuvel struct { 241c2d0b470SArd Biesheuvel efi_status_t (__efiapi *get_mode)(efi_uga_draw_protocol_t *, 242c2d0b470SArd Biesheuvel u32*, u32*, u32*, u32*); 243c2d0b470SArd Biesheuvel void *set_mode; 244c2d0b470SArd Biesheuvel void *blt; 245c2d0b470SArd Biesheuvel }; 246c2d0b470SArd Biesheuvel struct { 247c2d0b470SArd Biesheuvel u32 get_mode; 248c2d0b470SArd Biesheuvel u32 set_mode; 249c2d0b470SArd Biesheuvel u32 blt; 250c2d0b470SArd Biesheuvel } mixed_mode; 251c2d0b470SArd Biesheuvel }; 252c2d0b470SArd Biesheuvel 2538166ec09SArd Biesheuvel union efi_simple_text_output_protocol { 2548166ec09SArd Biesheuvel struct { 2558166ec09SArd Biesheuvel void *reset; 2568166ec09SArd Biesheuvel efi_status_t (__efiapi *output_string)(efi_simple_text_output_protocol_t *, 2578166ec09SArd Biesheuvel efi_char16_t *); 2588166ec09SArd Biesheuvel void *test_string; 2598166ec09SArd Biesheuvel }; 2608166ec09SArd Biesheuvel struct { 2618166ec09SArd Biesheuvel u32 reset; 2628166ec09SArd Biesheuvel u32 output_string; 2638166ec09SArd Biesheuvel u32 test_string; 2648166ec09SArd Biesheuvel } mixed_mode; 2658166ec09SArd Biesheuvel }; 2668166ec09SArd Biesheuvel 2678166ec09SArd Biesheuvel #define PIXEL_RGB_RESERVED_8BIT_PER_COLOR 0 2688166ec09SArd Biesheuvel #define PIXEL_BGR_RESERVED_8BIT_PER_COLOR 1 2698166ec09SArd Biesheuvel #define PIXEL_BIT_MASK 2 2708166ec09SArd Biesheuvel #define PIXEL_BLT_ONLY 3 2718166ec09SArd Biesheuvel #define PIXEL_FORMAT_MAX 4 2728166ec09SArd Biesheuvel 2738166ec09SArd Biesheuvel typedef struct { 2748166ec09SArd Biesheuvel u32 red_mask; 2758166ec09SArd Biesheuvel u32 green_mask; 2768166ec09SArd Biesheuvel u32 blue_mask; 2778166ec09SArd Biesheuvel u32 reserved_mask; 2788166ec09SArd Biesheuvel } efi_pixel_bitmask_t; 2798166ec09SArd Biesheuvel 2808166ec09SArd Biesheuvel typedef struct { 2818166ec09SArd Biesheuvel u32 version; 2828166ec09SArd Biesheuvel u32 horizontal_resolution; 2838166ec09SArd Biesheuvel u32 vertical_resolution; 2848166ec09SArd Biesheuvel int pixel_format; 2858166ec09SArd Biesheuvel efi_pixel_bitmask_t pixel_information; 2868166ec09SArd Biesheuvel u32 pixels_per_scan_line; 2878166ec09SArd Biesheuvel } efi_graphics_output_mode_info_t; 2888166ec09SArd Biesheuvel 2898166ec09SArd Biesheuvel typedef union efi_graphics_output_protocol_mode efi_graphics_output_protocol_mode_t; 2908166ec09SArd Biesheuvel 2918166ec09SArd Biesheuvel union efi_graphics_output_protocol_mode { 2928166ec09SArd Biesheuvel struct { 2938166ec09SArd Biesheuvel u32 max_mode; 2948166ec09SArd Biesheuvel u32 mode; 2958166ec09SArd Biesheuvel efi_graphics_output_mode_info_t *info; 2968166ec09SArd Biesheuvel unsigned long size_of_info; 2978166ec09SArd Biesheuvel efi_physical_addr_t frame_buffer_base; 2988166ec09SArd Biesheuvel unsigned long frame_buffer_size; 2998166ec09SArd Biesheuvel }; 3008166ec09SArd Biesheuvel struct { 3018166ec09SArd Biesheuvel u32 max_mode; 3028166ec09SArd Biesheuvel u32 mode; 3038166ec09SArd Biesheuvel u32 info; 3048166ec09SArd Biesheuvel u32 size_of_info; 3058166ec09SArd Biesheuvel u64 frame_buffer_base; 3068166ec09SArd Biesheuvel u32 frame_buffer_size; 3078166ec09SArd Biesheuvel } mixed_mode; 3088166ec09SArd Biesheuvel }; 3098166ec09SArd Biesheuvel 3108166ec09SArd Biesheuvel typedef union efi_graphics_output_protocol efi_graphics_output_protocol_t; 3118166ec09SArd Biesheuvel 3128166ec09SArd Biesheuvel union efi_graphics_output_protocol { 3138166ec09SArd Biesheuvel struct { 3148166ec09SArd Biesheuvel void *query_mode; 3158166ec09SArd Biesheuvel void *set_mode; 3168166ec09SArd Biesheuvel void *blt; 3178166ec09SArd Biesheuvel efi_graphics_output_protocol_mode_t *mode; 3188166ec09SArd Biesheuvel }; 3198166ec09SArd Biesheuvel struct { 3208166ec09SArd Biesheuvel u32 query_mode; 3218166ec09SArd Biesheuvel u32 set_mode; 3228166ec09SArd Biesheuvel u32 blt; 3238166ec09SArd Biesheuvel u32 mode; 3248166ec09SArd Biesheuvel } mixed_mode; 3258166ec09SArd Biesheuvel }; 3268166ec09SArd Biesheuvel 327f7b85b33SArd Biesheuvel typedef union { 328f7b85b33SArd Biesheuvel struct { 329a46a290aSArd Biesheuvel u32 revision; 330a46a290aSArd Biesheuvel efi_handle_t parent_handle; 331a46a290aSArd Biesheuvel efi_system_table_t *system_table; 332a46a290aSArd Biesheuvel efi_handle_t device_handle; 333a46a290aSArd Biesheuvel void *file_path; 334a46a290aSArd Biesheuvel void *reserved; 335a46a290aSArd Biesheuvel u32 load_options_size; 336a46a290aSArd Biesheuvel void *load_options; 337a46a290aSArd Biesheuvel void *image_base; 338a46a290aSArd Biesheuvel __aligned_u64 image_size; 339a46a290aSArd Biesheuvel unsigned int image_code_type; 340a46a290aSArd Biesheuvel unsigned int image_data_type; 341a46a290aSArd Biesheuvel efi_status_t (__efiapi *unload)(efi_handle_t image_handle); 342f7b85b33SArd Biesheuvel }; 343f7b85b33SArd Biesheuvel struct { 344f7b85b33SArd Biesheuvel u32 revision; 345f7b85b33SArd Biesheuvel u32 parent_handle; 346f7b85b33SArd Biesheuvel u32 system_table; 347f7b85b33SArd Biesheuvel u32 device_handle; 348f7b85b33SArd Biesheuvel u32 file_path; 349f7b85b33SArd Biesheuvel u32 reserved; 350f7b85b33SArd Biesheuvel u32 load_options_size; 351f7b85b33SArd Biesheuvel u32 load_options; 352f7b85b33SArd Biesheuvel u32 image_base; 353f7b85b33SArd Biesheuvel __aligned_u64 image_size; 354f7b85b33SArd Biesheuvel u32 image_code_type; 355f7b85b33SArd Biesheuvel u32 image_data_type; 356f7b85b33SArd Biesheuvel u32 unload; 357f7b85b33SArd Biesheuvel } mixed_mode; 358a46a290aSArd Biesheuvel } efi_loaded_image_t; 359a46a290aSArd Biesheuvel 360a46a290aSArd Biesheuvel typedef struct { 361a46a290aSArd Biesheuvel u64 size; 362a46a290aSArd Biesheuvel u64 file_size; 363a46a290aSArd Biesheuvel u64 phys_size; 364a46a290aSArd Biesheuvel efi_time_t create_time; 365a46a290aSArd Biesheuvel efi_time_t last_access_time; 366a46a290aSArd Biesheuvel efi_time_t modification_time; 367a46a290aSArd Biesheuvel __aligned_u64 attribute; 3689302c1bbSArd Biesheuvel efi_char16_t filename[]; 369a46a290aSArd Biesheuvel } efi_file_info_t; 370a46a290aSArd Biesheuvel 371a46a290aSArd Biesheuvel typedef struct efi_file_protocol efi_file_protocol_t; 372a46a290aSArd Biesheuvel 373a46a290aSArd Biesheuvel struct efi_file_protocol { 374a46a290aSArd Biesheuvel u64 revision; 375a46a290aSArd Biesheuvel efi_status_t (__efiapi *open) (efi_file_protocol_t *, 376a46a290aSArd Biesheuvel efi_file_protocol_t **, 377a46a290aSArd Biesheuvel efi_char16_t *, u64, u64); 378a46a290aSArd Biesheuvel efi_status_t (__efiapi *close) (efi_file_protocol_t *); 379a46a290aSArd Biesheuvel efi_status_t (__efiapi *delete) (efi_file_protocol_t *); 380a46a290aSArd Biesheuvel efi_status_t (__efiapi *read) (efi_file_protocol_t *, 381a46a290aSArd Biesheuvel unsigned long *, void *); 382a46a290aSArd Biesheuvel efi_status_t (__efiapi *write) (efi_file_protocol_t *, 383a46a290aSArd Biesheuvel unsigned long, void *); 384a46a290aSArd Biesheuvel efi_status_t (__efiapi *get_position)(efi_file_protocol_t *, u64 *); 385a46a290aSArd Biesheuvel efi_status_t (__efiapi *set_position)(efi_file_protocol_t *, u64); 386a46a290aSArd Biesheuvel efi_status_t (__efiapi *get_info) (efi_file_protocol_t *, 387a46a290aSArd Biesheuvel efi_guid_t *, unsigned long *, 388a46a290aSArd Biesheuvel void *); 389a46a290aSArd Biesheuvel efi_status_t (__efiapi *set_info) (efi_file_protocol_t *, 390a46a290aSArd Biesheuvel efi_guid_t *, unsigned long, 391a46a290aSArd Biesheuvel void *); 392a46a290aSArd Biesheuvel efi_status_t (__efiapi *flush) (efi_file_protocol_t *); 393a46a290aSArd Biesheuvel }; 394a46a290aSArd Biesheuvel 395a46a290aSArd Biesheuvel typedef struct efi_simple_file_system_protocol efi_simple_file_system_protocol_t; 396a46a290aSArd Biesheuvel 397a46a290aSArd Biesheuvel struct efi_simple_file_system_protocol { 398a46a290aSArd Biesheuvel u64 revision; 399a46a290aSArd Biesheuvel int (__efiapi *open_volume)(efi_simple_file_system_protocol_t *, 400a46a290aSArd Biesheuvel efi_file_protocol_t **); 401a46a290aSArd Biesheuvel }; 402a46a290aSArd Biesheuvel 403a46a290aSArd Biesheuvel #define EFI_FILE_MODE_READ 0x0000000000000001 404a46a290aSArd Biesheuvel #define EFI_FILE_MODE_WRITE 0x0000000000000002 405a46a290aSArd Biesheuvel #define EFI_FILE_MODE_CREATE 0x8000000000000000 406a46a290aSArd Biesheuvel 4078166ec09SArd Biesheuvel typedef enum { 4088166ec09SArd Biesheuvel EfiPciIoWidthUint8, 4098166ec09SArd Biesheuvel EfiPciIoWidthUint16, 4108166ec09SArd Biesheuvel EfiPciIoWidthUint32, 4118166ec09SArd Biesheuvel EfiPciIoWidthUint64, 4128166ec09SArd Biesheuvel EfiPciIoWidthFifoUint8, 4138166ec09SArd Biesheuvel EfiPciIoWidthFifoUint16, 4148166ec09SArd Biesheuvel EfiPciIoWidthFifoUint32, 4158166ec09SArd Biesheuvel EfiPciIoWidthFifoUint64, 4168166ec09SArd Biesheuvel EfiPciIoWidthFillUint8, 4178166ec09SArd Biesheuvel EfiPciIoWidthFillUint16, 4188166ec09SArd Biesheuvel EfiPciIoWidthFillUint32, 4198166ec09SArd Biesheuvel EfiPciIoWidthFillUint64, 4208166ec09SArd Biesheuvel EfiPciIoWidthMaximum 4218166ec09SArd Biesheuvel } EFI_PCI_IO_PROTOCOL_WIDTH; 4228166ec09SArd Biesheuvel 4238166ec09SArd Biesheuvel typedef enum { 4248166ec09SArd Biesheuvel EfiPciIoAttributeOperationGet, 4258166ec09SArd Biesheuvel EfiPciIoAttributeOperationSet, 4268166ec09SArd Biesheuvel EfiPciIoAttributeOperationEnable, 4278166ec09SArd Biesheuvel EfiPciIoAttributeOperationDisable, 4288166ec09SArd Biesheuvel EfiPciIoAttributeOperationSupported, 4298166ec09SArd Biesheuvel EfiPciIoAttributeOperationMaximum 4308166ec09SArd Biesheuvel } EFI_PCI_IO_PROTOCOL_ATTRIBUTE_OPERATION; 4318166ec09SArd Biesheuvel 4328166ec09SArd Biesheuvel typedef struct { 4338166ec09SArd Biesheuvel u32 read; 4348166ec09SArd Biesheuvel u32 write; 4358166ec09SArd Biesheuvel } efi_pci_io_protocol_access_32_t; 4368166ec09SArd Biesheuvel 4378166ec09SArd Biesheuvel typedef union efi_pci_io_protocol efi_pci_io_protocol_t; 4388166ec09SArd Biesheuvel 4398166ec09SArd Biesheuvel typedef 4408166ec09SArd Biesheuvel efi_status_t (__efiapi *efi_pci_io_protocol_cfg_t)(efi_pci_io_protocol_t *, 4418166ec09SArd Biesheuvel EFI_PCI_IO_PROTOCOL_WIDTH, 4428166ec09SArd Biesheuvel u32 offset, 4438166ec09SArd Biesheuvel unsigned long count, 4448166ec09SArd Biesheuvel void *buffer); 4458166ec09SArd Biesheuvel 4468166ec09SArd Biesheuvel typedef struct { 4478166ec09SArd Biesheuvel void *read; 4488166ec09SArd Biesheuvel void *write; 4498166ec09SArd Biesheuvel } efi_pci_io_protocol_access_t; 4508166ec09SArd Biesheuvel 4518166ec09SArd Biesheuvel typedef struct { 4528166ec09SArd Biesheuvel efi_pci_io_protocol_cfg_t read; 4538166ec09SArd Biesheuvel efi_pci_io_protocol_cfg_t write; 4548166ec09SArd Biesheuvel } efi_pci_io_protocol_config_access_t; 4558166ec09SArd Biesheuvel 4568166ec09SArd Biesheuvel union efi_pci_io_protocol { 4578166ec09SArd Biesheuvel struct { 4588166ec09SArd Biesheuvel void *poll_mem; 4598166ec09SArd Biesheuvel void *poll_io; 4608166ec09SArd Biesheuvel efi_pci_io_protocol_access_t mem; 4618166ec09SArd Biesheuvel efi_pci_io_protocol_access_t io; 4628166ec09SArd Biesheuvel efi_pci_io_protocol_config_access_t pci; 4638166ec09SArd Biesheuvel void *copy_mem; 4648166ec09SArd Biesheuvel void *map; 4658166ec09SArd Biesheuvel void *unmap; 4668166ec09SArd Biesheuvel void *allocate_buffer; 4678166ec09SArd Biesheuvel void *free_buffer; 4688166ec09SArd Biesheuvel void *flush; 4698166ec09SArd Biesheuvel efi_status_t (__efiapi *get_location)(efi_pci_io_protocol_t *, 4708166ec09SArd Biesheuvel unsigned long *segment_nr, 4718166ec09SArd Biesheuvel unsigned long *bus_nr, 4728166ec09SArd Biesheuvel unsigned long *device_nr, 4738166ec09SArd Biesheuvel unsigned long *func_nr); 4748166ec09SArd Biesheuvel void *attributes; 4758166ec09SArd Biesheuvel void *get_bar_attributes; 4768166ec09SArd Biesheuvel void *set_bar_attributes; 4778166ec09SArd Biesheuvel uint64_t romsize; 4788166ec09SArd Biesheuvel void *romimage; 4798166ec09SArd Biesheuvel }; 4808166ec09SArd Biesheuvel struct { 4818166ec09SArd Biesheuvel u32 poll_mem; 4828166ec09SArd Biesheuvel u32 poll_io; 4838166ec09SArd Biesheuvel efi_pci_io_protocol_access_32_t mem; 4848166ec09SArd Biesheuvel efi_pci_io_protocol_access_32_t io; 4858166ec09SArd Biesheuvel efi_pci_io_protocol_access_32_t pci; 4868166ec09SArd Biesheuvel u32 copy_mem; 4878166ec09SArd Biesheuvel u32 map; 4888166ec09SArd Biesheuvel u32 unmap; 4898166ec09SArd Biesheuvel u32 allocate_buffer; 4908166ec09SArd Biesheuvel u32 free_buffer; 4918166ec09SArd Biesheuvel u32 flush; 4928166ec09SArd Biesheuvel u32 get_location; 4938166ec09SArd Biesheuvel u32 attributes; 4948166ec09SArd Biesheuvel u32 get_bar_attributes; 4958166ec09SArd Biesheuvel u32 set_bar_attributes; 4968166ec09SArd Biesheuvel u64 romsize; 4978166ec09SArd Biesheuvel u32 romimage; 4988166ec09SArd Biesheuvel } mixed_mode; 4998166ec09SArd Biesheuvel }; 5008166ec09SArd Biesheuvel 5018166ec09SArd Biesheuvel #define EFI_PCI_IO_ATTRIBUTE_ISA_MOTHERBOARD_IO 0x0001 5028166ec09SArd Biesheuvel #define EFI_PCI_IO_ATTRIBUTE_ISA_IO 0x0002 5038166ec09SArd Biesheuvel #define EFI_PCI_IO_ATTRIBUTE_VGA_PALETTE_IO 0x0004 5048166ec09SArd Biesheuvel #define EFI_PCI_IO_ATTRIBUTE_VGA_MEMORY 0x0008 5058166ec09SArd Biesheuvel #define EFI_PCI_IO_ATTRIBUTE_VGA_IO 0x0010 5068166ec09SArd Biesheuvel #define EFI_PCI_IO_ATTRIBUTE_IDE_PRIMARY_IO 0x0020 5078166ec09SArd Biesheuvel #define EFI_PCI_IO_ATTRIBUTE_IDE_SECONDARY_IO 0x0040 5088166ec09SArd Biesheuvel #define EFI_PCI_IO_ATTRIBUTE_MEMORY_WRITE_COMBINE 0x0080 5098166ec09SArd Biesheuvel #define EFI_PCI_IO_ATTRIBUTE_IO 0x0100 5108166ec09SArd Biesheuvel #define EFI_PCI_IO_ATTRIBUTE_MEMORY 0x0200 5118166ec09SArd Biesheuvel #define EFI_PCI_IO_ATTRIBUTE_BUS_MASTER 0x0400 5128166ec09SArd Biesheuvel #define EFI_PCI_IO_ATTRIBUTE_MEMORY_CACHED 0x0800 5138166ec09SArd Biesheuvel #define EFI_PCI_IO_ATTRIBUTE_MEMORY_DISABLE 0x1000 5148166ec09SArd Biesheuvel #define EFI_PCI_IO_ATTRIBUTE_EMBEDDED_DEVICE 0x2000 5158166ec09SArd Biesheuvel #define EFI_PCI_IO_ATTRIBUTE_EMBEDDED_ROM 0x4000 5168166ec09SArd Biesheuvel #define EFI_PCI_IO_ATTRIBUTE_DUAL_ADDRESS_CYCLE 0x8000 5178166ec09SArd Biesheuvel #define EFI_PCI_IO_ATTRIBUTE_ISA_IO_16 0x10000 5188166ec09SArd Biesheuvel #define EFI_PCI_IO_ATTRIBUTE_VGA_PALETTE_IO_16 0x20000 5198166ec09SArd Biesheuvel #define EFI_PCI_IO_ATTRIBUTE_VGA_IO_16 0x40000 5208166ec09SArd Biesheuvel 5218166ec09SArd Biesheuvel struct efi_dev_path; 5228166ec09SArd Biesheuvel 5238166ec09SArd Biesheuvel typedef union apple_properties_protocol apple_properties_protocol_t; 5248166ec09SArd Biesheuvel 5258166ec09SArd Biesheuvel union apple_properties_protocol { 5268166ec09SArd Biesheuvel struct { 5278166ec09SArd Biesheuvel unsigned long version; 5288166ec09SArd Biesheuvel efi_status_t (__efiapi *get)(apple_properties_protocol_t *, 5298166ec09SArd Biesheuvel struct efi_dev_path *, 5308166ec09SArd Biesheuvel efi_char16_t *, void *, u32 *); 5318166ec09SArd Biesheuvel efi_status_t (__efiapi *set)(apple_properties_protocol_t *, 5328166ec09SArd Biesheuvel struct efi_dev_path *, 5338166ec09SArd Biesheuvel efi_char16_t *, void *, u32); 5348166ec09SArd Biesheuvel efi_status_t (__efiapi *del)(apple_properties_protocol_t *, 5358166ec09SArd Biesheuvel struct efi_dev_path *, 5368166ec09SArd Biesheuvel efi_char16_t *); 5378166ec09SArd Biesheuvel efi_status_t (__efiapi *get_all)(apple_properties_protocol_t *, 5388166ec09SArd Biesheuvel void *buffer, u32 *); 5398166ec09SArd Biesheuvel }; 5408166ec09SArd Biesheuvel struct { 5418166ec09SArd Biesheuvel u32 version; 5428166ec09SArd Biesheuvel u32 get; 5438166ec09SArd Biesheuvel u32 set; 5448166ec09SArd Biesheuvel u32 del; 5458166ec09SArd Biesheuvel u32 get_all; 5468166ec09SArd Biesheuvel } mixed_mode; 5478166ec09SArd Biesheuvel }; 5488166ec09SArd Biesheuvel 5498166ec09SArd Biesheuvel typedef u32 efi_tcg2_event_log_format; 5508166ec09SArd Biesheuvel 5518166ec09SArd Biesheuvel typedef union efi_tcg2_protocol efi_tcg2_protocol_t; 5528166ec09SArd Biesheuvel 5538166ec09SArd Biesheuvel union efi_tcg2_protocol { 5548166ec09SArd Biesheuvel struct { 5558166ec09SArd Biesheuvel void *get_capability; 5568166ec09SArd Biesheuvel efi_status_t (__efiapi *get_event_log)(efi_handle_t, 5578166ec09SArd Biesheuvel efi_tcg2_event_log_format, 5588166ec09SArd Biesheuvel efi_physical_addr_t *, 5598166ec09SArd Biesheuvel efi_physical_addr_t *, 5608166ec09SArd Biesheuvel efi_bool_t *); 5618166ec09SArd Biesheuvel void *hash_log_extend_event; 5628166ec09SArd Biesheuvel void *submit_command; 5638166ec09SArd Biesheuvel void *get_active_pcr_banks; 5648166ec09SArd Biesheuvel void *set_active_pcr_banks; 5658166ec09SArd Biesheuvel void *get_result_of_set_active_pcr_banks; 5668166ec09SArd Biesheuvel }; 5678166ec09SArd Biesheuvel struct { 5688166ec09SArd Biesheuvel u32 get_capability; 5698166ec09SArd Biesheuvel u32 get_event_log; 5708166ec09SArd Biesheuvel u32 hash_log_extend_event; 5718166ec09SArd Biesheuvel u32 submit_command; 5728166ec09SArd Biesheuvel u32 get_active_pcr_banks; 5738166ec09SArd Biesheuvel u32 set_active_pcr_banks; 5748166ec09SArd Biesheuvel u32 get_result_of_set_active_pcr_banks; 5758166ec09SArd Biesheuvel } mixed_mode; 5768166ec09SArd Biesheuvel }; 5778166ec09SArd Biesheuvel 5782931d526SArd Biesheuvel typedef union efi_load_file_protocol efi_load_file_protocol_t; 5792931d526SArd Biesheuvel typedef union efi_load_file_protocol efi_load_file2_protocol_t; 5802931d526SArd Biesheuvel 5812931d526SArd Biesheuvel union efi_load_file_protocol { 5822931d526SArd Biesheuvel struct { 5832931d526SArd Biesheuvel efi_status_t (__efiapi *load_file)(efi_load_file_protocol_t *, 5842931d526SArd Biesheuvel efi_device_path_protocol_t *, 5852931d526SArd Biesheuvel bool, unsigned long *, void *); 5862931d526SArd Biesheuvel }; 5872931d526SArd Biesheuvel struct { 5882931d526SArd Biesheuvel u32 load_file; 5892931d526SArd Biesheuvel } mixed_mode; 5902931d526SArd Biesheuvel }; 5912931d526SArd Biesheuvel 5928166ec09SArd Biesheuvel void efi_pci_disable_bridge_busmaster(void); 5938166ec09SArd Biesheuvel 5948166ec09SArd Biesheuvel typedef efi_status_t (*efi_exit_boot_map_processing)( 5958166ec09SArd Biesheuvel struct efi_boot_memmap *map, 5968166ec09SArd Biesheuvel void *priv); 5978166ec09SArd Biesheuvel 5988166ec09SArd Biesheuvel efi_status_t efi_exit_boot_services(void *handle, 5998166ec09SArd Biesheuvel struct efi_boot_memmap *map, 6008166ec09SArd Biesheuvel void *priv, 6018166ec09SArd Biesheuvel efi_exit_boot_map_processing priv_func); 6028166ec09SArd Biesheuvel 6038166ec09SArd Biesheuvel void efi_char16_printk(efi_char16_t *); 6048166ec09SArd Biesheuvel 6058166ec09SArd Biesheuvel efi_status_t allocate_new_fdt_and_exit_boot(void *handle, 6068166ec09SArd Biesheuvel unsigned long *new_fdt_addr, 6078166ec09SArd Biesheuvel unsigned long max_addr, 6088166ec09SArd Biesheuvel u64 initrd_addr, u64 initrd_size, 6098166ec09SArd Biesheuvel char *cmdline_ptr, 6108166ec09SArd Biesheuvel unsigned long fdt_addr, 6118166ec09SArd Biesheuvel unsigned long fdt_size); 6128166ec09SArd Biesheuvel 6138166ec09SArd Biesheuvel void *get_fdt(unsigned long *fdt_size); 6148166ec09SArd Biesheuvel 6158166ec09SArd Biesheuvel void efi_get_virtmap(efi_memory_desc_t *memory_map, unsigned long map_size, 6168166ec09SArd Biesheuvel unsigned long desc_size, efi_memory_desc_t *runtime_map, 6178166ec09SArd Biesheuvel int *count); 6188166ec09SArd Biesheuvel 6198166ec09SArd Biesheuvel efi_status_t efi_get_random_bytes(unsigned long size, u8 *out); 6208166ec09SArd Biesheuvel 6218166ec09SArd Biesheuvel efi_status_t efi_random_alloc(unsigned long size, unsigned long align, 6228166ec09SArd Biesheuvel unsigned long *addr, unsigned long random_seed); 6238166ec09SArd Biesheuvel 6248166ec09SArd Biesheuvel efi_status_t check_platform_features(void); 6258166ec09SArd Biesheuvel 6268166ec09SArd Biesheuvel void *get_efi_config_table(efi_guid_t guid); 6278166ec09SArd Biesheuvel 6288166ec09SArd Biesheuvel void efi_printk(char *str); 6298166ec09SArd Biesheuvel 6308166ec09SArd Biesheuvel void efi_free(unsigned long size, unsigned long addr); 6318166ec09SArd Biesheuvel 6321e45bf73SArd Biesheuvel char *efi_convert_cmdline(efi_loaded_image_t *image, int *cmd_line_len, 6331e45bf73SArd Biesheuvel unsigned long max_addr); 6348166ec09SArd Biesheuvel 6358166ec09SArd Biesheuvel efi_status_t efi_get_memory_map(struct efi_boot_memmap *map); 6368166ec09SArd Biesheuvel 6378166ec09SArd Biesheuvel efi_status_t efi_low_alloc_above(unsigned long size, unsigned long align, 6388166ec09SArd Biesheuvel unsigned long *addr, unsigned long min); 6398166ec09SArd Biesheuvel 6408166ec09SArd Biesheuvel static inline 6418166ec09SArd Biesheuvel efi_status_t efi_low_alloc(unsigned long size, unsigned long align, 6428166ec09SArd Biesheuvel unsigned long *addr) 6438166ec09SArd Biesheuvel { 6448166ec09SArd Biesheuvel /* 6458166ec09SArd Biesheuvel * Don't allocate at 0x0. It will confuse code that 6468166ec09SArd Biesheuvel * checks pointers against NULL. Skip the first 8 6478166ec09SArd Biesheuvel * bytes so we start at a nice even number. 6488166ec09SArd Biesheuvel */ 6498166ec09SArd Biesheuvel return efi_low_alloc_above(size, align, addr, 0x8); 6508166ec09SArd Biesheuvel } 6518166ec09SArd Biesheuvel 6528166ec09SArd Biesheuvel efi_status_t efi_allocate_pages(unsigned long size, unsigned long *addr, 6538166ec09SArd Biesheuvel unsigned long max); 6548166ec09SArd Biesheuvel 6558166ec09SArd Biesheuvel efi_status_t efi_relocate_kernel(unsigned long *image_addr, 6568166ec09SArd Biesheuvel unsigned long image_size, 6578166ec09SArd Biesheuvel unsigned long alloc_size, 6588166ec09SArd Biesheuvel unsigned long preferred_addr, 6598166ec09SArd Biesheuvel unsigned long alignment, 6608166ec09SArd Biesheuvel unsigned long min_addr); 6618166ec09SArd Biesheuvel 6628166ec09SArd Biesheuvel efi_status_t efi_parse_options(char const *cmdline); 6638166ec09SArd Biesheuvel 6648166ec09SArd Biesheuvel efi_status_t efi_setup_gop(struct screen_info *si, efi_guid_t *proto, 6658166ec09SArd Biesheuvel unsigned long size); 6668166ec09SArd Biesheuvel 6679302c1bbSArd Biesheuvel efi_status_t efi_load_dtb(efi_loaded_image_t *image, 6689302c1bbSArd Biesheuvel unsigned long *load_addr, 6699302c1bbSArd Biesheuvel unsigned long *load_size); 6709302c1bbSArd Biesheuvel 6719302c1bbSArd Biesheuvel efi_status_t efi_load_initrd(efi_loaded_image_t *image, 6729302c1bbSArd Biesheuvel unsigned long *load_addr, 6739302c1bbSArd Biesheuvel unsigned long *load_size, 67431f5e546SArd Biesheuvel unsigned long soft_limit, 67531f5e546SArd Biesheuvel unsigned long hard_limit); 6769302c1bbSArd Biesheuvel 677ec93fc37SArd Biesheuvel efi_status_t efi_load_initrd_dev_path(unsigned long *load_addr, 678ec93fc37SArd Biesheuvel unsigned long *load_size, 679ec93fc37SArd Biesheuvel unsigned long max); 680ec93fc37SArd Biesheuvel 681f4f75ad5SArd Biesheuvel #endif 682