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 62c7d1e30SArvind Sankar #include <linux/compiler.h> 70b767353SArvind Sankar #include <linux/efi.h> 80b767353SArvind Sankar #include <linux/kernel.h> 923d5b73fSArvind Sankar #include <linux/kern_levels.h> 100b767353SArvind Sankar #include <linux/types.h> 110b767353SArvind Sankar #include <asm/efi.h> 120b767353SArvind Sankar 1307e83dbbSArd Biesheuvel /* 1407e83dbbSArd Biesheuvel * __init annotations should not be used in the EFI stub, since the code is 1507e83dbbSArd Biesheuvel * either included in the decompressor (x86, ARM) where they have no effect, 1607e83dbbSArd Biesheuvel * or the whole stub is __init annotated at the section level (arm64), by 1707e83dbbSArd Biesheuvel * renaming the sections, in which case the __init annotation will be 1807e83dbbSArd Biesheuvel * redundant, and will result in section names like .init.init.text, and our 1907e83dbbSArd Biesheuvel * linker script does not expect that. 2007e83dbbSArd Biesheuvel */ 2107e83dbbSArd Biesheuvel #undef __init 2207e83dbbSArd Biesheuvel 23a6a14469SArd Biesheuvel /* 24a6a14469SArd Biesheuvel * Allow the platform to override the allocation granularity: this allows 25a6a14469SArd Biesheuvel * systems that have the capability to run with a larger page size to deal 26a6a14469SArd Biesheuvel * with the allocations for initrd and fdt more efficiently. 27a6a14469SArd Biesheuvel */ 28a6a14469SArd Biesheuvel #ifndef EFI_ALLOC_ALIGN 29a6a14469SArd Biesheuvel #define EFI_ALLOC_ALIGN EFI_PAGE_SIZE 30a6a14469SArd Biesheuvel #endif 31a6a14469SArd Biesheuvel 32980771f6SArd Biesheuvel extern bool efi_nochunk; 33980771f6SArd Biesheuvel extern bool efi_nokaslr; 3423d5b73fSArvind Sankar extern int efi_loglevel; 35980771f6SArd Biesheuvel extern bool efi_novamap; 36eeff7d63SArd Biesheuvel 37ccc27ae7SArd Biesheuvel extern const efi_system_table_t *efi_system_table; 382fcdad2aSArd Biesheuvel 393ba75c13SBaskov Evgeniy typedef union efi_dxe_services_table efi_dxe_services_table_t; 403ba75c13SBaskov Evgeniy extern const efi_dxe_services_table_t *efi_dxe_table; 413ba75c13SBaskov Evgeniy 426e99d321SArd Biesheuvel efi_status_t __efiapi efi_pe_entry(efi_handle_t handle, 436e99d321SArd Biesheuvel efi_system_table_t *sys_table_arg); 446e99d321SArd Biesheuvel 45de8c5520SArvind Sankar #ifndef ARCH_HAS_EFISTUB_WRAPPERS 46de8c5520SArvind Sankar 4722090f84SArd Biesheuvel #define efi_is_native() (true) 48a61962d8SArd Biesheuvel #define efi_table_attr(inst, attr) (inst)->attr 49a61962d8SArd Biesheuvel #define efi_fn_call(inst, func, ...) (inst)->func(__VA_ARGS__) 50de8c5520SArvind Sankar 5122090f84SArd Biesheuvel #endif 5222090f84SArd Biesheuvel 53a61962d8SArd Biesheuvel #define efi_call_proto(inst, func, ...) ({ \ 54a61962d8SArd Biesheuvel __typeof__(inst) __inst = (inst); \ 55a61962d8SArd Biesheuvel efi_fn_call(__inst, func, __inst, ##__VA_ARGS__); \ 56a61962d8SArd Biesheuvel }) 57a61962d8SArd Biesheuvel #define efi_bs_call(func, ...) \ 58a61962d8SArd Biesheuvel efi_fn_call(efi_table_attr(efi_system_table, boottime), func, ##__VA_ARGS__) 59a61962d8SArd Biesheuvel #define efi_rt_call(func, ...) \ 60a61962d8SArd Biesheuvel efi_fn_call(efi_table_attr(efi_system_table, runtime), func, ##__VA_ARGS__) 61a61962d8SArd Biesheuvel #define efi_dxe_call(func, ...) \ 62a61962d8SArd Biesheuvel efi_fn_call(efi_dxe_table, func, ##__VA_ARGS__) 63a61962d8SArd Biesheuvel 6423d5b73fSArvind Sankar #define efi_info(fmt, ...) \ 6523d5b73fSArvind Sankar efi_printk(KERN_INFO fmt, ##__VA_ARGS__) 66c1df5e0cSArvind Sankar #define efi_warn(fmt, ...) \ 67c1df5e0cSArvind Sankar efi_printk(KERN_WARNING "WARNING: " fmt, ##__VA_ARGS__) 6823d5b73fSArvind Sankar #define efi_err(fmt, ...) \ 6923d5b73fSArvind Sankar efi_printk(KERN_ERR "ERROR: " fmt, ##__VA_ARGS__) 7023d5b73fSArvind Sankar #define efi_debug(fmt, ...) \ 7123d5b73fSArvind Sankar efi_printk(KERN_DEBUG "DEBUG: " fmt, ##__VA_ARGS__) 7260f38de7SArd Biesheuvel 73c1df5e0cSArvind Sankar #define efi_printk_once(fmt, ...) \ 74c1df5e0cSArvind Sankar ({ \ 75c1df5e0cSArvind Sankar static bool __print_once; \ 76c1df5e0cSArvind Sankar bool __ret_print_once = !__print_once; \ 77c1df5e0cSArvind Sankar \ 78c1df5e0cSArvind Sankar if (!__print_once) { \ 79c1df5e0cSArvind Sankar __print_once = true; \ 80c1df5e0cSArvind Sankar efi_printk(fmt, ##__VA_ARGS__); \ 81c1df5e0cSArvind Sankar } \ 82c1df5e0cSArvind Sankar __ret_print_once; \ 83c1df5e0cSArvind Sankar }) 84c1df5e0cSArvind Sankar 85c1df5e0cSArvind Sankar #define efi_info_once(fmt, ...) \ 86c1df5e0cSArvind Sankar efi_printk_once(KERN_INFO fmt, ##__VA_ARGS__) 87c1df5e0cSArvind Sankar #define efi_warn_once(fmt, ...) \ 88c1df5e0cSArvind Sankar efi_printk_once(KERN_WARNING "WARNING: " fmt, ##__VA_ARGS__) 89c1df5e0cSArvind Sankar #define efi_err_once(fmt, ...) \ 90c1df5e0cSArvind Sankar efi_printk_once(KERN_ERR "ERROR: " fmt, ##__VA_ARGS__) 91c1df5e0cSArvind Sankar #define efi_debug_once(fmt, ...) \ 92c1df5e0cSArvind Sankar efi_printk_once(KERN_DEBUG "DEBUG: " fmt, ##__VA_ARGS__) 93c1df5e0cSArvind Sankar 94ac9aff8eSIngo Molnar /* Helper macros for the usual case of using simple C variables: */ 95ac9aff8eSIngo Molnar #ifndef fdt_setprop_inplace_var 96ac9aff8eSIngo Molnar #define fdt_setprop_inplace_var(fdt, node_offset, name, var) \ 97ac9aff8eSIngo Molnar fdt_setprop_inplace((fdt), (node_offset), (name), &(var), sizeof(var)) 98ac9aff8eSIngo Molnar #endif 99ac9aff8eSIngo Molnar 100ac9aff8eSIngo Molnar #ifndef fdt_setprop_var 101ac9aff8eSIngo Molnar #define fdt_setprop_var(fdt, node_offset, name, var) \ 102ac9aff8eSIngo Molnar fdt_setprop((fdt), (node_offset), (name), &(var), sizeof(var)) 103ac9aff8eSIngo Molnar #endif 104ac9aff8eSIngo Molnar 105966291f6SArd Biesheuvel #define get_efi_var(name, vendor, ...) \ 106966291f6SArd Biesheuvel efi_rt_call(get_variable, (efi_char16_t *)(name), \ 107966291f6SArd Biesheuvel (efi_guid_t *)(vendor), __VA_ARGS__) 108966291f6SArd Biesheuvel 109966291f6SArd Biesheuvel #define set_efi_var(name, vendor, ...) \ 110966291f6SArd Biesheuvel efi_rt_call(set_variable, (efi_char16_t *)(name), \ 111966291f6SArd Biesheuvel (efi_guid_t *)(vendor), __VA_ARGS__) 112966291f6SArd Biesheuvel 1138166ec09SArd Biesheuvel #define efi_get_handle_at(array, idx) \ 1148166ec09SArd Biesheuvel (efi_is_native() ? (array)[idx] \ 1158166ec09SArd Biesheuvel : (efi_handle_t)(unsigned long)((u32 *)(array))[idx]) 1168166ec09SArd Biesheuvel 1178166ec09SArd Biesheuvel #define efi_get_handle_num(size) \ 1188166ec09SArd Biesheuvel ((size) / (efi_is_native() ? sizeof(efi_handle_t) : sizeof(u32))) 1198166ec09SArd Biesheuvel 1208166ec09SArd Biesheuvel #define for_each_efi_handle(handle, array, size, i) \ 1218166ec09SArd Biesheuvel for (i = 0; \ 1228166ec09SArd Biesheuvel i < efi_get_handle_num(size) && \ 1238166ec09SArd Biesheuvel ((handle = efi_get_handle_at((array), i)) || true); \ 1248166ec09SArd Biesheuvel i++) 1258166ec09SArd Biesheuvel 126eed4e019SArvind Sankar static inline 127eed4e019SArvind Sankar void efi_set_u64_split(u64 data, u32 *lo, u32 *hi) 128eed4e019SArvind Sankar { 129eed4e019SArvind Sankar *lo = lower_32_bits(data); 130eed4e019SArvind Sankar *hi = upper_32_bits(data); 131eed4e019SArvind Sankar } 132eed4e019SArvind Sankar 1338166ec09SArd Biesheuvel /* 1348166ec09SArd Biesheuvel * Allocation types for calls to boottime->allocate_pages. 1358166ec09SArd Biesheuvel */ 1368166ec09SArd Biesheuvel #define EFI_ALLOCATE_ANY_PAGES 0 1378166ec09SArd Biesheuvel #define EFI_ALLOCATE_MAX_ADDRESS 1 1388166ec09SArd Biesheuvel #define EFI_ALLOCATE_ADDRESS 2 1398166ec09SArd Biesheuvel #define EFI_MAX_ALLOCATE_TYPE 3 1408166ec09SArd Biesheuvel 1418166ec09SArd Biesheuvel /* 1428166ec09SArd Biesheuvel * The type of search to perform when calling boottime->locate_handle 1438166ec09SArd Biesheuvel */ 1448166ec09SArd Biesheuvel #define EFI_LOCATE_ALL_HANDLES 0 1458166ec09SArd Biesheuvel #define EFI_LOCATE_BY_REGISTER_NOTIFY 1 1468166ec09SArd Biesheuvel #define EFI_LOCATE_BY_PROTOCOL 2 1478166ec09SArd Biesheuvel 148fd626195SLenny Szubowicz /* 1499b47c527SArvind Sankar * boottime->stall takes the time period in microseconds 1509b47c527SArvind Sankar */ 1519b47c527SArvind Sankar #define EFI_USEC_PER_SEC 1000000 1529b47c527SArvind Sankar 1539b47c527SArvind Sankar /* 1549b47c527SArvind Sankar * boottime->set_timer takes the time in 100ns units 1559b47c527SArvind Sankar */ 1569b47c527SArvind Sankar #define EFI_100NSEC_PER_USEC ((u64)10) 1579b47c527SArvind Sankar 158d1343da3SIngo Molnar /* 159fd626195SLenny Szubowicz * An efi_boot_memmap is used by efi_get_memory_map() to return the 160fd626195SLenny Szubowicz * EFI memory map in a dynamically allocated buffer. 161fd626195SLenny Szubowicz * 162fd626195SLenny Szubowicz * The buffer allocated for the EFI memory map includes extra room for 163fd626195SLenny Szubowicz * a minimum of EFI_MMAP_NR_SLACK_SLOTS additional EFI memory descriptors. 164fd626195SLenny Szubowicz * This facilitates the reuse of the EFI memory map buffer when a second 165fd626195SLenny Szubowicz * call to ExitBootServices() is needed because of intervening changes to 166fd626195SLenny Szubowicz * the EFI memory map. Other related structures, e.g. x86 e820ext, need 167fd626195SLenny Szubowicz * to factor in this headroom requirement as well. 168fd626195SLenny Szubowicz */ 169fd626195SLenny Szubowicz #define EFI_MMAP_NR_SLACK_SLOTS 8 170fd626195SLenny Szubowicz 171abd26868SArd Biesheuvel typedef struct efi_generic_dev_path efi_device_path_protocol_t; 172abd26868SArd Biesheuvel 173c7007d9fSArd Biesheuvel union efi_device_path_to_text_protocol { 174c7007d9fSArd Biesheuvel struct { 175c7007d9fSArd Biesheuvel efi_char16_t *(__efiapi *convert_device_node_to_text)( 176c7007d9fSArd Biesheuvel const efi_device_path_protocol_t *, 177c7007d9fSArd Biesheuvel bool, bool); 178c7007d9fSArd Biesheuvel efi_char16_t *(__efiapi *convert_device_path_to_text)( 179c7007d9fSArd Biesheuvel const efi_device_path_protocol_t *, 180c7007d9fSArd Biesheuvel bool, bool); 181c7007d9fSArd Biesheuvel }; 182c7007d9fSArd Biesheuvel struct { 183c7007d9fSArd Biesheuvel u32 convert_device_node_to_text; 184c7007d9fSArd Biesheuvel u32 convert_device_path_to_text; 185c7007d9fSArd Biesheuvel } mixed_mode; 186c7007d9fSArd Biesheuvel }; 187c7007d9fSArd Biesheuvel 188c7007d9fSArd Biesheuvel typedef union efi_device_path_to_text_protocol efi_device_path_to_text_protocol_t; 189c7007d9fSArd Biesheuvel 19070912985SArd Biesheuvel union efi_device_path_from_text_protocol { 19170912985SArd Biesheuvel struct { 19270912985SArd Biesheuvel efi_device_path_protocol_t * 19370912985SArd Biesheuvel (__efiapi *convert_text_to_device_node)(const efi_char16_t *); 19470912985SArd Biesheuvel efi_device_path_protocol_t * 19570912985SArd Biesheuvel (__efiapi *convert_text_to_device_path)(const efi_char16_t *); 19670912985SArd Biesheuvel }; 19770912985SArd Biesheuvel struct { 19870912985SArd Biesheuvel u32 convert_text_to_device_node; 19970912985SArd Biesheuvel u32 convert_text_to_device_path; 20070912985SArd Biesheuvel } mixed_mode; 20170912985SArd Biesheuvel }; 20270912985SArd Biesheuvel 20370912985SArd Biesheuvel typedef union efi_device_path_from_text_protocol efi_device_path_from_text_protocol_t; 20470912985SArd Biesheuvel 2059b47c527SArvind Sankar typedef void *efi_event_t; 2069b47c527SArvind Sankar /* Note that notifications won't work in mixed mode */ 2079b47c527SArvind Sankar typedef void (__efiapi *efi_event_notify_t)(efi_event_t, void *); 2089b47c527SArvind Sankar 2099b47c527SArvind Sankar #define EFI_EVT_TIMER 0x80000000U 2109b47c527SArvind Sankar #define EFI_EVT_RUNTIME 0x40000000U 2119b47c527SArvind Sankar #define EFI_EVT_NOTIFY_WAIT 0x00000100U 2129b47c527SArvind Sankar #define EFI_EVT_NOTIFY_SIGNAL 0x00000200U 2139b47c527SArvind Sankar 2148c0a839cSHeinrich Schuchardt /** 2158c0a839cSHeinrich Schuchardt * efi_set_event_at() - add event to events array 2168c0a839cSHeinrich Schuchardt * 2178c0a839cSHeinrich Schuchardt * @events: array of UEFI events 2188c0a839cSHeinrich Schuchardt * @ids: index where to put the event in the array 2198c0a839cSHeinrich Schuchardt * @event: event to add to the aray 2208c0a839cSHeinrich Schuchardt * 2218c0a839cSHeinrich Schuchardt * boottime->wait_for_event() takes an array of events as input. 2229b47c527SArvind Sankar * Provide a helper to set it up correctly for mixed mode. 2239b47c527SArvind Sankar */ 2249b47c527SArvind Sankar static inline 2259b47c527SArvind Sankar void efi_set_event_at(efi_event_t *events, size_t idx, efi_event_t event) 2269b47c527SArvind Sankar { 2279b47c527SArvind Sankar if (efi_is_native()) 2289b47c527SArvind Sankar events[idx] = event; 2299b47c527SArvind Sankar else 2309b47c527SArvind Sankar ((u32 *)events)[idx] = (u32)(unsigned long)event; 2319b47c527SArvind Sankar } 2329b47c527SArvind Sankar 2339b47c527SArvind Sankar #define EFI_TPL_APPLICATION 4 2349b47c527SArvind Sankar #define EFI_TPL_CALLBACK 8 2359b47c527SArvind Sankar #define EFI_TPL_NOTIFY 16 2369b47c527SArvind Sankar #define EFI_TPL_HIGH_LEVEL 31 2379b47c527SArvind Sankar 2389b47c527SArvind Sankar typedef enum { 2399b47c527SArvind Sankar EfiTimerCancel, 2409b47c527SArvind Sankar EfiTimerPeriodic, 2419b47c527SArvind Sankar EfiTimerRelative 2429b47c527SArvind Sankar } EFI_TIMER_DELAY; 2439b47c527SArvind Sankar 2448166ec09SArd Biesheuvel /* 2458166ec09SArd Biesheuvel * EFI Boot Services table 2468166ec09SArd Biesheuvel */ 2478166ec09SArd Biesheuvel union efi_boot_services { 2488166ec09SArd Biesheuvel struct { 2498166ec09SArd Biesheuvel efi_table_hdr_t hdr; 2508166ec09SArd Biesheuvel void *raise_tpl; 2518166ec09SArd Biesheuvel void *restore_tpl; 2528166ec09SArd Biesheuvel efi_status_t (__efiapi *allocate_pages)(int, int, unsigned long, 2538166ec09SArd Biesheuvel efi_physical_addr_t *); 2548166ec09SArd Biesheuvel efi_status_t (__efiapi *free_pages)(efi_physical_addr_t, 2558166ec09SArd Biesheuvel unsigned long); 2568166ec09SArd Biesheuvel efi_status_t (__efiapi *get_memory_map)(unsigned long *, void *, 2578166ec09SArd Biesheuvel unsigned long *, 2588166ec09SArd Biesheuvel unsigned long *, u32 *); 2598166ec09SArd Biesheuvel efi_status_t (__efiapi *allocate_pool)(int, unsigned long, 2608166ec09SArd Biesheuvel void **); 2618166ec09SArd Biesheuvel efi_status_t (__efiapi *free_pool)(void *); 2629b47c527SArvind Sankar efi_status_t (__efiapi *create_event)(u32, unsigned long, 2639b47c527SArvind Sankar efi_event_notify_t, void *, 2649b47c527SArvind Sankar efi_event_t *); 2659b47c527SArvind Sankar efi_status_t (__efiapi *set_timer)(efi_event_t, 2669b47c527SArvind Sankar EFI_TIMER_DELAY, u64); 2679b47c527SArvind Sankar efi_status_t (__efiapi *wait_for_event)(unsigned long, 2689b47c527SArvind Sankar efi_event_t *, 2699b47c527SArvind Sankar unsigned long *); 2708166ec09SArd Biesheuvel void *signal_event; 2719b47c527SArvind Sankar efi_status_t (__efiapi *close_event)(efi_event_t); 2728166ec09SArd Biesheuvel void *check_event; 2738166ec09SArd Biesheuvel void *install_protocol_interface; 2748166ec09SArd Biesheuvel void *reinstall_protocol_interface; 2758166ec09SArd Biesheuvel void *uninstall_protocol_interface; 2768166ec09SArd Biesheuvel efi_status_t (__efiapi *handle_protocol)(efi_handle_t, 2778166ec09SArd Biesheuvel efi_guid_t *, void **); 2788166ec09SArd Biesheuvel void *__reserved; 2798166ec09SArd Biesheuvel void *register_protocol_notify; 2808166ec09SArd Biesheuvel efi_status_t (__efiapi *locate_handle)(int, efi_guid_t *, 2818166ec09SArd Biesheuvel void *, unsigned long *, 2828166ec09SArd Biesheuvel efi_handle_t *); 283abd26868SArd Biesheuvel efi_status_t (__efiapi *locate_device_path)(efi_guid_t *, 284abd26868SArd Biesheuvel efi_device_path_protocol_t **, 285abd26868SArd Biesheuvel efi_handle_t *); 2868166ec09SArd Biesheuvel efi_status_t (__efiapi *install_configuration_table)(efi_guid_t *, 2878166ec09SArd Biesheuvel void *); 288c7007d9fSArd Biesheuvel efi_status_t (__efiapi *load_image)(bool, efi_handle_t, 289c7007d9fSArd Biesheuvel efi_device_path_protocol_t *, 290c7007d9fSArd Biesheuvel void *, unsigned long, 291c7007d9fSArd Biesheuvel efi_handle_t *); 292c7007d9fSArd Biesheuvel efi_status_t (__efiapi *start_image)(efi_handle_t, unsigned long *, 293c7007d9fSArd Biesheuvel efi_char16_t **); 2943b8f44fcSArd Biesheuvel efi_status_t __noreturn (__efiapi *exit)(efi_handle_t, 2953b8f44fcSArd Biesheuvel efi_status_t, 2963b8f44fcSArd Biesheuvel unsigned long, 2973b8f44fcSArd Biesheuvel efi_char16_t *); 298c7007d9fSArd Biesheuvel efi_status_t (__efiapi *unload_image)(efi_handle_t); 2998166ec09SArd Biesheuvel efi_status_t (__efiapi *exit_boot_services)(efi_handle_t, 3008166ec09SArd Biesheuvel unsigned long); 3018166ec09SArd Biesheuvel void *get_next_monotonic_count; 3029b47c527SArvind Sankar efi_status_t (__efiapi *stall)(unsigned long); 3038166ec09SArd Biesheuvel void *set_watchdog_timer; 3048166ec09SArd Biesheuvel void *connect_controller; 3058166ec09SArd Biesheuvel efi_status_t (__efiapi *disconnect_controller)(efi_handle_t, 3068166ec09SArd Biesheuvel efi_handle_t, 3078166ec09SArd Biesheuvel efi_handle_t); 3088166ec09SArd Biesheuvel void *open_protocol; 3098166ec09SArd Biesheuvel void *close_protocol; 3108166ec09SArd Biesheuvel void *open_protocol_information; 3118166ec09SArd Biesheuvel void *protocols_per_handle; 3128166ec09SArd Biesheuvel void *locate_handle_buffer; 3138166ec09SArd Biesheuvel efi_status_t (__efiapi *locate_protocol)(efi_guid_t *, void *, 3148166ec09SArd Biesheuvel void **); 315c7007d9fSArd Biesheuvel efi_status_t (__efiapi *install_multiple_protocol_interfaces)(efi_handle_t *, ...); 316c7007d9fSArd Biesheuvel efi_status_t (__efiapi *uninstall_multiple_protocol_interfaces)(efi_handle_t, ...); 3178166ec09SArd Biesheuvel void *calculate_crc32; 318c82ceb44SArd Biesheuvel void (__efiapi *copy_mem)(void *, const void *, unsigned long); 319c82ceb44SArd Biesheuvel void (__efiapi *set_mem)(void *, unsigned long, unsigned char); 3208166ec09SArd Biesheuvel void *create_event_ex; 3218166ec09SArd Biesheuvel }; 3228166ec09SArd Biesheuvel struct { 3238166ec09SArd Biesheuvel efi_table_hdr_t hdr; 3248166ec09SArd Biesheuvel u32 raise_tpl; 3258166ec09SArd Biesheuvel u32 restore_tpl; 3268166ec09SArd Biesheuvel u32 allocate_pages; 3278166ec09SArd Biesheuvel u32 free_pages; 3288166ec09SArd Biesheuvel u32 get_memory_map; 3298166ec09SArd Biesheuvel u32 allocate_pool; 3308166ec09SArd Biesheuvel u32 free_pool; 3318166ec09SArd Biesheuvel u32 create_event; 3328166ec09SArd Biesheuvel u32 set_timer; 3338166ec09SArd Biesheuvel u32 wait_for_event; 3348166ec09SArd Biesheuvel u32 signal_event; 3358166ec09SArd Biesheuvel u32 close_event; 3368166ec09SArd Biesheuvel u32 check_event; 3378166ec09SArd Biesheuvel u32 install_protocol_interface; 3388166ec09SArd Biesheuvel u32 reinstall_protocol_interface; 3398166ec09SArd Biesheuvel u32 uninstall_protocol_interface; 3408166ec09SArd Biesheuvel u32 handle_protocol; 3418166ec09SArd Biesheuvel u32 __reserved; 3428166ec09SArd Biesheuvel u32 register_protocol_notify; 3438166ec09SArd Biesheuvel u32 locate_handle; 3448166ec09SArd Biesheuvel u32 locate_device_path; 3458166ec09SArd Biesheuvel u32 install_configuration_table; 3468166ec09SArd Biesheuvel u32 load_image; 3478166ec09SArd Biesheuvel u32 start_image; 3488166ec09SArd Biesheuvel u32 exit; 3498166ec09SArd Biesheuvel u32 unload_image; 3508166ec09SArd Biesheuvel u32 exit_boot_services; 3518166ec09SArd Biesheuvel u32 get_next_monotonic_count; 3528166ec09SArd Biesheuvel u32 stall; 3538166ec09SArd Biesheuvel u32 set_watchdog_timer; 3548166ec09SArd Biesheuvel u32 connect_controller; 3558166ec09SArd Biesheuvel u32 disconnect_controller; 3568166ec09SArd Biesheuvel u32 open_protocol; 3578166ec09SArd Biesheuvel u32 close_protocol; 3588166ec09SArd Biesheuvel u32 open_protocol_information; 3598166ec09SArd Biesheuvel u32 protocols_per_handle; 3608166ec09SArd Biesheuvel u32 locate_handle_buffer; 3618166ec09SArd Biesheuvel u32 locate_protocol; 3628166ec09SArd Biesheuvel u32 install_multiple_protocol_interfaces; 3638166ec09SArd Biesheuvel u32 uninstall_multiple_protocol_interfaces; 3648166ec09SArd Biesheuvel u32 calculate_crc32; 3658166ec09SArd Biesheuvel u32 copy_mem; 3668166ec09SArd Biesheuvel u32 set_mem; 3678166ec09SArd Biesheuvel u32 create_event_ex; 3688166ec09SArd Biesheuvel } mixed_mode; 3698166ec09SArd Biesheuvel }; 3708166ec09SArd Biesheuvel 3713ba75c13SBaskov Evgeniy typedef enum { 3723ba75c13SBaskov Evgeniy EfiGcdMemoryTypeNonExistent, 3733ba75c13SBaskov Evgeniy EfiGcdMemoryTypeReserved, 3743ba75c13SBaskov Evgeniy EfiGcdMemoryTypeSystemMemory, 3753ba75c13SBaskov Evgeniy EfiGcdMemoryTypeMemoryMappedIo, 3763ba75c13SBaskov Evgeniy EfiGcdMemoryTypePersistent, 3773ba75c13SBaskov Evgeniy EfiGcdMemoryTypeMoreReliable, 3783ba75c13SBaskov Evgeniy EfiGcdMemoryTypeMaximum 3793ba75c13SBaskov Evgeniy } efi_gcd_memory_type_t; 3803ba75c13SBaskov Evgeniy 3813ba75c13SBaskov Evgeniy typedef struct { 3823ba75c13SBaskov Evgeniy efi_physical_addr_t base_address; 3833ba75c13SBaskov Evgeniy u64 length; 3843ba75c13SBaskov Evgeniy u64 capabilities; 3853ba75c13SBaskov Evgeniy u64 attributes; 3863ba75c13SBaskov Evgeniy efi_gcd_memory_type_t gcd_memory_type; 3873ba75c13SBaskov Evgeniy void *image_handle; 3883ba75c13SBaskov Evgeniy void *device_handle; 3893ba75c13SBaskov Evgeniy } efi_gcd_memory_space_desc_t; 3903ba75c13SBaskov Evgeniy 3913ba75c13SBaskov Evgeniy /* 3923ba75c13SBaskov Evgeniy * EFI DXE Services table 3933ba75c13SBaskov Evgeniy */ 3943ba75c13SBaskov Evgeniy union efi_dxe_services_table { 3953ba75c13SBaskov Evgeniy struct { 3963ba75c13SBaskov Evgeniy efi_table_hdr_t hdr; 3973ba75c13SBaskov Evgeniy void *add_memory_space; 3983ba75c13SBaskov Evgeniy void *allocate_memory_space; 3993ba75c13SBaskov Evgeniy void *free_memory_space; 4003ba75c13SBaskov Evgeniy void *remove_memory_space; 4013ba75c13SBaskov Evgeniy efi_status_t (__efiapi *get_memory_space_descriptor)(efi_physical_addr_t, 4023ba75c13SBaskov Evgeniy efi_gcd_memory_space_desc_t *); 4033ba75c13SBaskov Evgeniy efi_status_t (__efiapi *set_memory_space_attributes)(efi_physical_addr_t, 4043ba75c13SBaskov Evgeniy u64, u64); 4053ba75c13SBaskov Evgeniy void *get_memory_space_map; 4063ba75c13SBaskov Evgeniy void *add_io_space; 4073ba75c13SBaskov Evgeniy void *allocate_io_space; 4083ba75c13SBaskov Evgeniy void *free_io_space; 4093ba75c13SBaskov Evgeniy void *remove_io_space; 4103ba75c13SBaskov Evgeniy void *get_io_space_descriptor; 4113ba75c13SBaskov Evgeniy void *get_io_space_map; 4123ba75c13SBaskov Evgeniy void *dispatch; 4133ba75c13SBaskov Evgeniy void *schedule; 4143ba75c13SBaskov Evgeniy void *trust; 4153ba75c13SBaskov Evgeniy void *process_firmware_volume; 4163ba75c13SBaskov Evgeniy void *set_memory_space_capabilities; 4173ba75c13SBaskov Evgeniy }; 4183ba75c13SBaskov Evgeniy struct { 4193ba75c13SBaskov Evgeniy efi_table_hdr_t hdr; 4203ba75c13SBaskov Evgeniy u32 add_memory_space; 4213ba75c13SBaskov Evgeniy u32 allocate_memory_space; 4223ba75c13SBaskov Evgeniy u32 free_memory_space; 4233ba75c13SBaskov Evgeniy u32 remove_memory_space; 4243ba75c13SBaskov Evgeniy u32 get_memory_space_descriptor; 4253ba75c13SBaskov Evgeniy u32 set_memory_space_attributes; 4263ba75c13SBaskov Evgeniy u32 get_memory_space_map; 4273ba75c13SBaskov Evgeniy u32 add_io_space; 4283ba75c13SBaskov Evgeniy u32 allocate_io_space; 4293ba75c13SBaskov Evgeniy u32 free_io_space; 4303ba75c13SBaskov Evgeniy u32 remove_io_space; 4313ba75c13SBaskov Evgeniy u32 get_io_space_descriptor; 4323ba75c13SBaskov Evgeniy u32 get_io_space_map; 4333ba75c13SBaskov Evgeniy u32 dispatch; 4343ba75c13SBaskov Evgeniy u32 schedule; 4353ba75c13SBaskov Evgeniy u32 trust; 4363ba75c13SBaskov Evgeniy u32 process_firmware_volume; 4373ba75c13SBaskov Evgeniy u32 set_memory_space_capabilities; 4383ba75c13SBaskov Evgeniy } mixed_mode; 4393ba75c13SBaskov Evgeniy }; 4403ba75c13SBaskov Evgeniy 441c2d0b470SArd Biesheuvel typedef union efi_uga_draw_protocol efi_uga_draw_protocol_t; 442c2d0b470SArd Biesheuvel 443c2d0b470SArd Biesheuvel union efi_uga_draw_protocol { 444c2d0b470SArd Biesheuvel struct { 445c2d0b470SArd Biesheuvel efi_status_t (__efiapi *get_mode)(efi_uga_draw_protocol_t *, 446c2d0b470SArd Biesheuvel u32*, u32*, u32*, u32*); 447c2d0b470SArd Biesheuvel void *set_mode; 448c2d0b470SArd Biesheuvel void *blt; 449c2d0b470SArd Biesheuvel }; 450c2d0b470SArd Biesheuvel struct { 451c2d0b470SArd Biesheuvel u32 get_mode; 452c2d0b470SArd Biesheuvel u32 set_mode; 453c2d0b470SArd Biesheuvel u32 blt; 454c2d0b470SArd Biesheuvel } mixed_mode; 455c2d0b470SArd Biesheuvel }; 456c2d0b470SArd Biesheuvel 4579b47c527SArvind Sankar typedef struct { 4589b47c527SArvind Sankar u16 scan_code; 4599b47c527SArvind Sankar efi_char16_t unicode_char; 4609b47c527SArvind Sankar } efi_input_key_t; 4619b47c527SArvind Sankar 4629b47c527SArvind Sankar union efi_simple_text_input_protocol { 4639b47c527SArvind Sankar struct { 4649b47c527SArvind Sankar void *reset; 4659b47c527SArvind Sankar efi_status_t (__efiapi *read_keystroke)(efi_simple_text_input_protocol_t *, 4669b47c527SArvind Sankar efi_input_key_t *); 4679b47c527SArvind Sankar efi_event_t wait_for_key; 4689b47c527SArvind Sankar }; 4699b47c527SArvind Sankar struct { 4709b47c527SArvind Sankar u32 reset; 4719b47c527SArvind Sankar u32 read_keystroke; 4729b47c527SArvind Sankar u32 wait_for_key; 4739b47c527SArvind Sankar } mixed_mode; 4749b47c527SArvind Sankar }; 4759b47c527SArvind Sankar 47614c574f3SArvind Sankar efi_status_t efi_wait_for_key(unsigned long usec, efi_input_key_t *key); 47714c574f3SArvind Sankar 4788166ec09SArd Biesheuvel union efi_simple_text_output_protocol { 4798166ec09SArd Biesheuvel struct { 4808166ec09SArd Biesheuvel void *reset; 4818166ec09SArd Biesheuvel efi_status_t (__efiapi *output_string)(efi_simple_text_output_protocol_t *, 4828166ec09SArd Biesheuvel efi_char16_t *); 4838166ec09SArd Biesheuvel void *test_string; 4848166ec09SArd Biesheuvel }; 4858166ec09SArd Biesheuvel struct { 4868166ec09SArd Biesheuvel u32 reset; 4878166ec09SArd Biesheuvel u32 output_string; 4888166ec09SArd Biesheuvel u32 test_string; 4898166ec09SArd Biesheuvel } mixed_mode; 4908166ec09SArd Biesheuvel }; 4918166ec09SArd Biesheuvel 4928166ec09SArd Biesheuvel #define PIXEL_RGB_RESERVED_8BIT_PER_COLOR 0 4938166ec09SArd Biesheuvel #define PIXEL_BGR_RESERVED_8BIT_PER_COLOR 1 4948166ec09SArd Biesheuvel #define PIXEL_BIT_MASK 2 4958166ec09SArd Biesheuvel #define PIXEL_BLT_ONLY 3 4968166ec09SArd Biesheuvel #define PIXEL_FORMAT_MAX 4 4978166ec09SArd Biesheuvel 4988166ec09SArd Biesheuvel typedef struct { 4998166ec09SArd Biesheuvel u32 red_mask; 5008166ec09SArd Biesheuvel u32 green_mask; 5018166ec09SArd Biesheuvel u32 blue_mask; 5028166ec09SArd Biesheuvel u32 reserved_mask; 5038166ec09SArd Biesheuvel } efi_pixel_bitmask_t; 5048166ec09SArd Biesheuvel 5058166ec09SArd Biesheuvel typedef struct { 5068166ec09SArd Biesheuvel u32 version; 5078166ec09SArd Biesheuvel u32 horizontal_resolution; 5088166ec09SArd Biesheuvel u32 vertical_resolution; 5098166ec09SArd Biesheuvel int pixel_format; 5108166ec09SArd Biesheuvel efi_pixel_bitmask_t pixel_information; 5118166ec09SArd Biesheuvel u32 pixels_per_scan_line; 5128166ec09SArd Biesheuvel } efi_graphics_output_mode_info_t; 5138166ec09SArd Biesheuvel 5148166ec09SArd Biesheuvel typedef union efi_graphics_output_protocol_mode efi_graphics_output_protocol_mode_t; 5158166ec09SArd Biesheuvel 5168166ec09SArd Biesheuvel union efi_graphics_output_protocol_mode { 5178166ec09SArd Biesheuvel struct { 5188166ec09SArd Biesheuvel u32 max_mode; 5198166ec09SArd Biesheuvel u32 mode; 5208166ec09SArd Biesheuvel efi_graphics_output_mode_info_t *info; 5218166ec09SArd Biesheuvel unsigned long size_of_info; 5228166ec09SArd Biesheuvel efi_physical_addr_t frame_buffer_base; 5238166ec09SArd Biesheuvel unsigned long frame_buffer_size; 5248166ec09SArd Biesheuvel }; 5258166ec09SArd Biesheuvel struct { 5268166ec09SArd Biesheuvel u32 max_mode; 5278166ec09SArd Biesheuvel u32 mode; 5288166ec09SArd Biesheuvel u32 info; 5298166ec09SArd Biesheuvel u32 size_of_info; 5308166ec09SArd Biesheuvel u64 frame_buffer_base; 5318166ec09SArd Biesheuvel u32 frame_buffer_size; 5328166ec09SArd Biesheuvel } mixed_mode; 5338166ec09SArd Biesheuvel }; 5348166ec09SArd Biesheuvel 5358166ec09SArd Biesheuvel typedef union efi_graphics_output_protocol efi_graphics_output_protocol_t; 5368166ec09SArd Biesheuvel 5378166ec09SArd Biesheuvel union efi_graphics_output_protocol { 5388166ec09SArd Biesheuvel struct { 539b4b89a02SArvind Sankar efi_status_t (__efiapi *query_mode)(efi_graphics_output_protocol_t *, 540b4b89a02SArvind Sankar u32, unsigned long *, 541b4b89a02SArvind Sankar efi_graphics_output_mode_info_t **); 542b4b89a02SArvind Sankar efi_status_t (__efiapi *set_mode) (efi_graphics_output_protocol_t *, u32); 5438166ec09SArd Biesheuvel void *blt; 5448166ec09SArd Biesheuvel efi_graphics_output_protocol_mode_t *mode; 5458166ec09SArd Biesheuvel }; 5468166ec09SArd Biesheuvel struct { 5478166ec09SArd Biesheuvel u32 query_mode; 5488166ec09SArd Biesheuvel u32 set_mode; 5498166ec09SArd Biesheuvel u32 blt; 5508166ec09SArd Biesheuvel u32 mode; 5518166ec09SArd Biesheuvel } mixed_mode; 5528166ec09SArd Biesheuvel }; 5538166ec09SArd Biesheuvel 554f7b85b33SArd Biesheuvel typedef union { 555f7b85b33SArd Biesheuvel struct { 556a46a290aSArd Biesheuvel u32 revision; 557a46a290aSArd Biesheuvel efi_handle_t parent_handle; 558a46a290aSArd Biesheuvel efi_system_table_t *system_table; 559a46a290aSArd Biesheuvel efi_handle_t device_handle; 560a46a290aSArd Biesheuvel void *file_path; 561a46a290aSArd Biesheuvel void *reserved; 562a46a290aSArd Biesheuvel u32 load_options_size; 563a46a290aSArd Biesheuvel void *load_options; 564a46a290aSArd Biesheuvel void *image_base; 565a46a290aSArd Biesheuvel __aligned_u64 image_size; 566a46a290aSArd Biesheuvel unsigned int image_code_type; 567a46a290aSArd Biesheuvel unsigned int image_data_type; 568a46a290aSArd Biesheuvel efi_status_t (__efiapi *unload)(efi_handle_t image_handle); 569f7b85b33SArd Biesheuvel }; 570f7b85b33SArd Biesheuvel struct { 571f7b85b33SArd Biesheuvel u32 revision; 572f7b85b33SArd Biesheuvel u32 parent_handle; 573f7b85b33SArd Biesheuvel u32 system_table; 574f7b85b33SArd Biesheuvel u32 device_handle; 575f7b85b33SArd Biesheuvel u32 file_path; 576f7b85b33SArd Biesheuvel u32 reserved; 577f7b85b33SArd Biesheuvel u32 load_options_size; 578f7b85b33SArd Biesheuvel u32 load_options; 579f7b85b33SArd Biesheuvel u32 image_base; 580f7b85b33SArd Biesheuvel __aligned_u64 image_size; 581f7b85b33SArd Biesheuvel u32 image_code_type; 582f7b85b33SArd Biesheuvel u32 image_data_type; 583f7b85b33SArd Biesheuvel u32 unload; 584f7b85b33SArd Biesheuvel } mixed_mode; 585a46a290aSArd Biesheuvel } efi_loaded_image_t; 586a46a290aSArd Biesheuvel 587a46a290aSArd Biesheuvel typedef struct { 588a46a290aSArd Biesheuvel u64 size; 589a46a290aSArd Biesheuvel u64 file_size; 590a46a290aSArd Biesheuvel u64 phys_size; 591a46a290aSArd Biesheuvel efi_time_t create_time; 592a46a290aSArd Biesheuvel efi_time_t last_access_time; 593a46a290aSArd Biesheuvel efi_time_t modification_time; 594a46a290aSArd Biesheuvel __aligned_u64 attribute; 5959302c1bbSArd Biesheuvel efi_char16_t filename[]; 596a46a290aSArd Biesheuvel } efi_file_info_t; 597a46a290aSArd Biesheuvel 598f8a31244SArd Biesheuvel typedef union efi_file_protocol efi_file_protocol_t; 599a46a290aSArd Biesheuvel 600f8a31244SArd Biesheuvel union efi_file_protocol { 601f8a31244SArd Biesheuvel struct { 602a46a290aSArd Biesheuvel u64 revision; 603a46a290aSArd Biesheuvel efi_status_t (__efiapi *open) (efi_file_protocol_t *, 604a46a290aSArd Biesheuvel efi_file_protocol_t **, 605f8a31244SArd Biesheuvel efi_char16_t *, u64, 606f8a31244SArd Biesheuvel u64); 607a46a290aSArd Biesheuvel efi_status_t (__efiapi *close) (efi_file_protocol_t *); 608a46a290aSArd Biesheuvel efi_status_t (__efiapi *delete) (efi_file_protocol_t *); 609a46a290aSArd Biesheuvel efi_status_t (__efiapi *read) (efi_file_protocol_t *, 610f8a31244SArd Biesheuvel unsigned long *, 611f8a31244SArd Biesheuvel void *); 612a46a290aSArd Biesheuvel efi_status_t (__efiapi *write) (efi_file_protocol_t *, 613a46a290aSArd Biesheuvel unsigned long, void *); 614f8a31244SArd Biesheuvel efi_status_t (__efiapi *get_position)(efi_file_protocol_t *, 615f8a31244SArd Biesheuvel u64 *); 616f8a31244SArd Biesheuvel efi_status_t (__efiapi *set_position)(efi_file_protocol_t *, 617f8a31244SArd Biesheuvel u64); 618a46a290aSArd Biesheuvel efi_status_t (__efiapi *get_info) (efi_file_protocol_t *, 619f8a31244SArd Biesheuvel efi_guid_t *, 620f8a31244SArd Biesheuvel unsigned long *, 621a46a290aSArd Biesheuvel void *); 622a46a290aSArd Biesheuvel efi_status_t (__efiapi *set_info) (efi_file_protocol_t *, 623f8a31244SArd Biesheuvel efi_guid_t *, 624f8a31244SArd Biesheuvel unsigned long, 625a46a290aSArd Biesheuvel void *); 626a46a290aSArd Biesheuvel efi_status_t (__efiapi *flush) (efi_file_protocol_t *); 627a46a290aSArd Biesheuvel }; 628f8a31244SArd Biesheuvel struct { 629a46a290aSArd Biesheuvel u64 revision; 630f8a31244SArd Biesheuvel u32 open; 631f8a31244SArd Biesheuvel u32 close; 632f8a31244SArd Biesheuvel u32 delete; 633f8a31244SArd Biesheuvel u32 read; 634f8a31244SArd Biesheuvel u32 write; 635f8a31244SArd Biesheuvel u32 get_position; 636f8a31244SArd Biesheuvel u32 set_position; 637f8a31244SArd Biesheuvel u32 get_info; 638f8a31244SArd Biesheuvel u32 set_info; 639f8a31244SArd Biesheuvel u32 flush; 640f8a31244SArd Biesheuvel } mixed_mode; 641f8a31244SArd Biesheuvel }; 642f8a31244SArd Biesheuvel 643f8a31244SArd Biesheuvel typedef union efi_simple_file_system_protocol efi_simple_file_system_protocol_t; 644f8a31244SArd Biesheuvel 645f8a31244SArd Biesheuvel union efi_simple_file_system_protocol { 646f8a31244SArd Biesheuvel struct { 647f8a31244SArd Biesheuvel u64 revision; 648f8a31244SArd Biesheuvel efi_status_t (__efiapi *open_volume)(efi_simple_file_system_protocol_t *, 649a46a290aSArd Biesheuvel efi_file_protocol_t **); 650a46a290aSArd Biesheuvel }; 651f8a31244SArd Biesheuvel struct { 652f8a31244SArd Biesheuvel u64 revision; 653f8a31244SArd Biesheuvel u32 open_volume; 654f8a31244SArd Biesheuvel } mixed_mode; 655f8a31244SArd Biesheuvel }; 656a46a290aSArd Biesheuvel 657a46a290aSArd Biesheuvel #define EFI_FILE_MODE_READ 0x0000000000000001 658a46a290aSArd Biesheuvel #define EFI_FILE_MODE_WRITE 0x0000000000000002 659a46a290aSArd Biesheuvel #define EFI_FILE_MODE_CREATE 0x8000000000000000 660a46a290aSArd Biesheuvel 6618166ec09SArd Biesheuvel typedef enum { 6628166ec09SArd Biesheuvel EfiPciIoWidthUint8, 6638166ec09SArd Biesheuvel EfiPciIoWidthUint16, 6648166ec09SArd Biesheuvel EfiPciIoWidthUint32, 6658166ec09SArd Biesheuvel EfiPciIoWidthUint64, 6668166ec09SArd Biesheuvel EfiPciIoWidthFifoUint8, 6678166ec09SArd Biesheuvel EfiPciIoWidthFifoUint16, 6688166ec09SArd Biesheuvel EfiPciIoWidthFifoUint32, 6698166ec09SArd Biesheuvel EfiPciIoWidthFifoUint64, 6708166ec09SArd Biesheuvel EfiPciIoWidthFillUint8, 6718166ec09SArd Biesheuvel EfiPciIoWidthFillUint16, 6728166ec09SArd Biesheuvel EfiPciIoWidthFillUint32, 6738166ec09SArd Biesheuvel EfiPciIoWidthFillUint64, 6748166ec09SArd Biesheuvel EfiPciIoWidthMaximum 6758166ec09SArd Biesheuvel } EFI_PCI_IO_PROTOCOL_WIDTH; 6768166ec09SArd Biesheuvel 6778166ec09SArd Biesheuvel typedef enum { 6788166ec09SArd Biesheuvel EfiPciIoAttributeOperationGet, 6798166ec09SArd Biesheuvel EfiPciIoAttributeOperationSet, 6808166ec09SArd Biesheuvel EfiPciIoAttributeOperationEnable, 6818166ec09SArd Biesheuvel EfiPciIoAttributeOperationDisable, 6828166ec09SArd Biesheuvel EfiPciIoAttributeOperationSupported, 6838166ec09SArd Biesheuvel EfiPciIoAttributeOperationMaximum 6848166ec09SArd Biesheuvel } EFI_PCI_IO_PROTOCOL_ATTRIBUTE_OPERATION; 6858166ec09SArd Biesheuvel 6868166ec09SArd Biesheuvel typedef struct { 6878166ec09SArd Biesheuvel u32 read; 6888166ec09SArd Biesheuvel u32 write; 6898166ec09SArd Biesheuvel } efi_pci_io_protocol_access_32_t; 6908166ec09SArd Biesheuvel 6918166ec09SArd Biesheuvel typedef union efi_pci_io_protocol efi_pci_io_protocol_t; 6928166ec09SArd Biesheuvel 6938166ec09SArd Biesheuvel typedef 6948166ec09SArd Biesheuvel efi_status_t (__efiapi *efi_pci_io_protocol_cfg_t)(efi_pci_io_protocol_t *, 6958166ec09SArd Biesheuvel EFI_PCI_IO_PROTOCOL_WIDTH, 6968166ec09SArd Biesheuvel u32 offset, 6978166ec09SArd Biesheuvel unsigned long count, 6988166ec09SArd Biesheuvel void *buffer); 6998166ec09SArd Biesheuvel 7008166ec09SArd Biesheuvel typedef struct { 7018166ec09SArd Biesheuvel void *read; 7028166ec09SArd Biesheuvel void *write; 7038166ec09SArd Biesheuvel } efi_pci_io_protocol_access_t; 7048166ec09SArd Biesheuvel 7058166ec09SArd Biesheuvel typedef struct { 7068166ec09SArd Biesheuvel efi_pci_io_protocol_cfg_t read; 7078166ec09SArd Biesheuvel efi_pci_io_protocol_cfg_t write; 7088166ec09SArd Biesheuvel } efi_pci_io_protocol_config_access_t; 7098166ec09SArd Biesheuvel 7108166ec09SArd Biesheuvel union efi_pci_io_protocol { 7118166ec09SArd Biesheuvel struct { 7128166ec09SArd Biesheuvel void *poll_mem; 7138166ec09SArd Biesheuvel void *poll_io; 7148166ec09SArd Biesheuvel efi_pci_io_protocol_access_t mem; 7158166ec09SArd Biesheuvel efi_pci_io_protocol_access_t io; 7168166ec09SArd Biesheuvel efi_pci_io_protocol_config_access_t pci; 7178166ec09SArd Biesheuvel void *copy_mem; 7188166ec09SArd Biesheuvel void *map; 7198166ec09SArd Biesheuvel void *unmap; 7208166ec09SArd Biesheuvel void *allocate_buffer; 7218166ec09SArd Biesheuvel void *free_buffer; 7228166ec09SArd Biesheuvel void *flush; 7238166ec09SArd Biesheuvel efi_status_t (__efiapi *get_location)(efi_pci_io_protocol_t *, 7248166ec09SArd Biesheuvel unsigned long *segment_nr, 7258166ec09SArd Biesheuvel unsigned long *bus_nr, 7268166ec09SArd Biesheuvel unsigned long *device_nr, 7278166ec09SArd Biesheuvel unsigned long *func_nr); 7288166ec09SArd Biesheuvel void *attributes; 7298166ec09SArd Biesheuvel void *get_bar_attributes; 7308166ec09SArd Biesheuvel void *set_bar_attributes; 7318166ec09SArd Biesheuvel uint64_t romsize; 7328166ec09SArd Biesheuvel void *romimage; 7338166ec09SArd Biesheuvel }; 7348166ec09SArd Biesheuvel struct { 7358166ec09SArd Biesheuvel u32 poll_mem; 7368166ec09SArd Biesheuvel u32 poll_io; 7378166ec09SArd Biesheuvel efi_pci_io_protocol_access_32_t mem; 7388166ec09SArd Biesheuvel efi_pci_io_protocol_access_32_t io; 7398166ec09SArd Biesheuvel efi_pci_io_protocol_access_32_t pci; 7408166ec09SArd Biesheuvel u32 copy_mem; 7418166ec09SArd Biesheuvel u32 map; 7428166ec09SArd Biesheuvel u32 unmap; 7438166ec09SArd Biesheuvel u32 allocate_buffer; 7448166ec09SArd Biesheuvel u32 free_buffer; 7458166ec09SArd Biesheuvel u32 flush; 7468166ec09SArd Biesheuvel u32 get_location; 7478166ec09SArd Biesheuvel u32 attributes; 7488166ec09SArd Biesheuvel u32 get_bar_attributes; 7498166ec09SArd Biesheuvel u32 set_bar_attributes; 7508166ec09SArd Biesheuvel u64 romsize; 7518166ec09SArd Biesheuvel u32 romimage; 7528166ec09SArd Biesheuvel } mixed_mode; 7538166ec09SArd Biesheuvel }; 7548166ec09SArd Biesheuvel 7558166ec09SArd Biesheuvel #define EFI_PCI_IO_ATTRIBUTE_ISA_MOTHERBOARD_IO 0x0001 7568166ec09SArd Biesheuvel #define EFI_PCI_IO_ATTRIBUTE_ISA_IO 0x0002 7578166ec09SArd Biesheuvel #define EFI_PCI_IO_ATTRIBUTE_VGA_PALETTE_IO 0x0004 7588166ec09SArd Biesheuvel #define EFI_PCI_IO_ATTRIBUTE_VGA_MEMORY 0x0008 7598166ec09SArd Biesheuvel #define EFI_PCI_IO_ATTRIBUTE_VGA_IO 0x0010 7608166ec09SArd Biesheuvel #define EFI_PCI_IO_ATTRIBUTE_IDE_PRIMARY_IO 0x0020 7618166ec09SArd Biesheuvel #define EFI_PCI_IO_ATTRIBUTE_IDE_SECONDARY_IO 0x0040 7628166ec09SArd Biesheuvel #define EFI_PCI_IO_ATTRIBUTE_MEMORY_WRITE_COMBINE 0x0080 7638166ec09SArd Biesheuvel #define EFI_PCI_IO_ATTRIBUTE_IO 0x0100 7648166ec09SArd Biesheuvel #define EFI_PCI_IO_ATTRIBUTE_MEMORY 0x0200 7658166ec09SArd Biesheuvel #define EFI_PCI_IO_ATTRIBUTE_BUS_MASTER 0x0400 7668166ec09SArd Biesheuvel #define EFI_PCI_IO_ATTRIBUTE_MEMORY_CACHED 0x0800 7678166ec09SArd Biesheuvel #define EFI_PCI_IO_ATTRIBUTE_MEMORY_DISABLE 0x1000 7688166ec09SArd Biesheuvel #define EFI_PCI_IO_ATTRIBUTE_EMBEDDED_DEVICE 0x2000 7698166ec09SArd Biesheuvel #define EFI_PCI_IO_ATTRIBUTE_EMBEDDED_ROM 0x4000 7708166ec09SArd Biesheuvel #define EFI_PCI_IO_ATTRIBUTE_DUAL_ADDRESS_CYCLE 0x8000 7718166ec09SArd Biesheuvel #define EFI_PCI_IO_ATTRIBUTE_ISA_IO_16 0x10000 7728166ec09SArd Biesheuvel #define EFI_PCI_IO_ATTRIBUTE_VGA_PALETTE_IO_16 0x20000 7738166ec09SArd Biesheuvel #define EFI_PCI_IO_ATTRIBUTE_VGA_IO_16 0x40000 7748166ec09SArd Biesheuvel 7758166ec09SArd Biesheuvel struct efi_dev_path; 7768166ec09SArd Biesheuvel 7778166ec09SArd Biesheuvel typedef union apple_properties_protocol apple_properties_protocol_t; 7788166ec09SArd Biesheuvel 7798166ec09SArd Biesheuvel union apple_properties_protocol { 7808166ec09SArd Biesheuvel struct { 7818166ec09SArd Biesheuvel unsigned long version; 7828166ec09SArd Biesheuvel efi_status_t (__efiapi *get)(apple_properties_protocol_t *, 7838166ec09SArd Biesheuvel struct efi_dev_path *, 7848166ec09SArd Biesheuvel efi_char16_t *, void *, u32 *); 7858166ec09SArd Biesheuvel efi_status_t (__efiapi *set)(apple_properties_protocol_t *, 7868166ec09SArd Biesheuvel struct efi_dev_path *, 7878166ec09SArd Biesheuvel efi_char16_t *, void *, u32); 7888166ec09SArd Biesheuvel efi_status_t (__efiapi *del)(apple_properties_protocol_t *, 7898166ec09SArd Biesheuvel struct efi_dev_path *, 7908166ec09SArd Biesheuvel efi_char16_t *); 7918166ec09SArd Biesheuvel efi_status_t (__efiapi *get_all)(apple_properties_protocol_t *, 7928166ec09SArd Biesheuvel void *buffer, u32 *); 7938166ec09SArd Biesheuvel }; 7948166ec09SArd Biesheuvel struct { 7958166ec09SArd Biesheuvel u32 version; 7968166ec09SArd Biesheuvel u32 get; 7978166ec09SArd Biesheuvel u32 set; 7988166ec09SArd Biesheuvel u32 del; 7998166ec09SArd Biesheuvel u32 get_all; 8008166ec09SArd Biesheuvel } mixed_mode; 8018166ec09SArd Biesheuvel }; 8028166ec09SArd Biesheuvel 8038166ec09SArd Biesheuvel typedef u32 efi_tcg2_event_log_format; 8048166ec09SArd Biesheuvel 8054da87c51SArd Biesheuvel #define INITRD_EVENT_TAG_ID 0x8F3B22ECU 80671c7adc9SIlias Apalodimas #define LOAD_OPTIONS_EVENT_TAG_ID 0x8F3B22EDU 8074da87c51SArd Biesheuvel #define EV_EVENT_TAG 0x00000006U 8084da87c51SArd Biesheuvel #define EFI_TCG2_EVENT_HEADER_VERSION 0x1 8094da87c51SArd Biesheuvel 8104da87c51SArd Biesheuvel struct efi_tcg2_event { 8114da87c51SArd Biesheuvel u32 event_size; 8124da87c51SArd Biesheuvel struct { 8134da87c51SArd Biesheuvel u32 header_size; 8144da87c51SArd Biesheuvel u16 header_version; 8154da87c51SArd Biesheuvel u32 pcr_index; 8164da87c51SArd Biesheuvel u32 event_type; 8174da87c51SArd Biesheuvel } __packed event_header; 8184da87c51SArd Biesheuvel /* u8[] event follows here */ 8194da87c51SArd Biesheuvel } __packed; 8204da87c51SArd Biesheuvel 8214da87c51SArd Biesheuvel struct efi_tcg2_tagged_event { 8224da87c51SArd Biesheuvel u32 tagged_event_id; 8234da87c51SArd Biesheuvel u32 tagged_event_data_size; 8244da87c51SArd Biesheuvel /* u8 tagged event data follows here */ 8254da87c51SArd Biesheuvel } __packed; 8264da87c51SArd Biesheuvel 8274da87c51SArd Biesheuvel typedef struct efi_tcg2_event efi_tcg2_event_t; 8284da87c51SArd Biesheuvel typedef struct efi_tcg2_tagged_event efi_tcg2_tagged_event_t; 8298166ec09SArd Biesheuvel typedef union efi_tcg2_protocol efi_tcg2_protocol_t; 8308166ec09SArd Biesheuvel 8318166ec09SArd Biesheuvel union efi_tcg2_protocol { 8328166ec09SArd Biesheuvel struct { 8338166ec09SArd Biesheuvel void *get_capability; 834cdec91c0SArd Biesheuvel efi_status_t (__efiapi *get_event_log)(efi_tcg2_protocol_t *, 8358166ec09SArd Biesheuvel efi_tcg2_event_log_format, 8368166ec09SArd Biesheuvel efi_physical_addr_t *, 8378166ec09SArd Biesheuvel efi_physical_addr_t *, 8388166ec09SArd Biesheuvel efi_bool_t *); 8394da87c51SArd Biesheuvel efi_status_t (__efiapi *hash_log_extend_event)(efi_tcg2_protocol_t *, 8404da87c51SArd Biesheuvel u64, 8414da87c51SArd Biesheuvel efi_physical_addr_t, 8424da87c51SArd Biesheuvel u64, 8434da87c51SArd Biesheuvel const efi_tcg2_event_t *); 8448166ec09SArd Biesheuvel void *submit_command; 8458166ec09SArd Biesheuvel void *get_active_pcr_banks; 8468166ec09SArd Biesheuvel void *set_active_pcr_banks; 8478166ec09SArd Biesheuvel void *get_result_of_set_active_pcr_banks; 8488166ec09SArd Biesheuvel }; 8498166ec09SArd Biesheuvel struct { 8508166ec09SArd Biesheuvel u32 get_capability; 8518166ec09SArd Biesheuvel u32 get_event_log; 8528166ec09SArd Biesheuvel u32 hash_log_extend_event; 8538166ec09SArd Biesheuvel u32 submit_command; 8548166ec09SArd Biesheuvel u32 get_active_pcr_banks; 8558166ec09SArd Biesheuvel u32 set_active_pcr_banks; 8568166ec09SArd Biesheuvel u32 get_result_of_set_active_pcr_banks; 8578166ec09SArd Biesheuvel } mixed_mode; 8588166ec09SArd Biesheuvel }; 8598166ec09SArd Biesheuvel 8603f68e695SSunil V L struct riscv_efi_boot_protocol { 8613f68e695SSunil V L u64 revision; 8623f68e695SSunil V L 8633f68e695SSunil V L efi_status_t (__efiapi *get_boot_hartid)(struct riscv_efi_boot_protocol *, 8643f68e695SSunil V L unsigned long *boot_hartid); 8653f68e695SSunil V L }; 8663f68e695SSunil V L 8672931d526SArd Biesheuvel typedef union efi_load_file_protocol efi_load_file_protocol_t; 8682931d526SArd Biesheuvel typedef union efi_load_file_protocol efi_load_file2_protocol_t; 8692931d526SArd Biesheuvel 8702931d526SArd Biesheuvel union efi_load_file_protocol { 8712931d526SArd Biesheuvel struct { 8722931d526SArd Biesheuvel efi_status_t (__efiapi *load_file)(efi_load_file_protocol_t *, 8732931d526SArd Biesheuvel efi_device_path_protocol_t *, 8742931d526SArd Biesheuvel bool, unsigned long *, void *); 8752931d526SArd Biesheuvel }; 8762931d526SArd Biesheuvel struct { 8772931d526SArd Biesheuvel u32 load_file; 8782931d526SArd Biesheuvel } mixed_mode; 8792931d526SArd Biesheuvel }; 8802931d526SArd Biesheuvel 8814a568ce2SArvind Sankar typedef struct { 8824a568ce2SArvind Sankar u32 attributes; 8834a568ce2SArvind Sankar u16 file_path_list_length; 8844a568ce2SArvind Sankar u8 variable_data[]; 8854a568ce2SArvind Sankar // efi_char16_t description[]; 8864a568ce2SArvind Sankar // efi_device_path_protocol_t file_path_list[]; 8874a568ce2SArvind Sankar // u8 optional_data[]; 8884a568ce2SArvind Sankar } __packed efi_load_option_t; 8894a568ce2SArvind Sankar 8904a568ce2SArvind Sankar #define EFI_LOAD_OPTION_ACTIVE 0x0001U 8914a568ce2SArvind Sankar #define EFI_LOAD_OPTION_FORCE_RECONNECT 0x0002U 8924a568ce2SArvind Sankar #define EFI_LOAD_OPTION_HIDDEN 0x0008U 8934a568ce2SArvind Sankar #define EFI_LOAD_OPTION_CATEGORY 0x1f00U 8944a568ce2SArvind Sankar #define EFI_LOAD_OPTION_CATEGORY_BOOT 0x0000U 8954a568ce2SArvind Sankar #define EFI_LOAD_OPTION_CATEGORY_APP 0x0100U 8964a568ce2SArvind Sankar 8974a568ce2SArvind Sankar #define EFI_LOAD_OPTION_BOOT_MASK \ 8984a568ce2SArvind Sankar (EFI_LOAD_OPTION_ACTIVE|EFI_LOAD_OPTION_HIDDEN|EFI_LOAD_OPTION_CATEGORY) 8994a568ce2SArvind Sankar #define EFI_LOAD_OPTION_MASK (EFI_LOAD_OPTION_FORCE_RECONNECT|EFI_LOAD_OPTION_BOOT_MASK) 9004a568ce2SArvind Sankar 9014a568ce2SArvind Sankar typedef struct { 9024a568ce2SArvind Sankar u32 attributes; 9034a568ce2SArvind Sankar u16 file_path_list_length; 9044a568ce2SArvind Sankar const efi_char16_t *description; 9054a568ce2SArvind Sankar const efi_device_path_protocol_t *file_path_list; 906a241d94bSArd Biesheuvel u32 optional_data_size; 9074a568ce2SArvind Sankar const void *optional_data; 9084a568ce2SArvind Sankar } efi_load_option_unpacked_t; 9094a568ce2SArvind Sankar 9108166ec09SArd Biesheuvel void efi_pci_disable_bridge_busmaster(void); 9118166ec09SArd Biesheuvel 9128166ec09SArd Biesheuvel typedef efi_status_t (*efi_exit_boot_map_processing)( 9138166ec09SArd Biesheuvel struct efi_boot_memmap *map, 9148166ec09SArd Biesheuvel void *priv); 9158166ec09SArd Biesheuvel 916eab31265SArd Biesheuvel efi_status_t efi_exit_boot_services(void *handle, void *priv, 9178166ec09SArd Biesheuvel efi_exit_boot_map_processing priv_func); 9188166ec09SArd Biesheuvel 9194fc8e738SArd Biesheuvel efi_status_t efi_boot_kernel(void *handle, efi_loaded_image_t *image, 9204fc8e738SArd Biesheuvel unsigned long kernel_addr, char *cmdline_ptr); 9218166ec09SArd Biesheuvel 9228166ec09SArd Biesheuvel void *get_fdt(unsigned long *fdt_size); 9238166ec09SArd Biesheuvel 924f80d2604SArd Biesheuvel efi_status_t efi_alloc_virtmap(efi_memory_desc_t **virtmap, 925f80d2604SArd Biesheuvel unsigned long *desc_size, u32 *desc_ver); 9268166ec09SArd Biesheuvel void efi_get_virtmap(efi_memory_desc_t *memory_map, unsigned long map_size, 9278166ec09SArd Biesheuvel unsigned long desc_size, efi_memory_desc_t *runtime_map, 9288166ec09SArd Biesheuvel int *count); 9298166ec09SArd Biesheuvel 9308166ec09SArd Biesheuvel efi_status_t efi_get_random_bytes(unsigned long size, u8 *out); 9318166ec09SArd Biesheuvel 9328166ec09SArd Biesheuvel efi_status_t efi_random_alloc(unsigned long size, unsigned long align, 9339cf42bcaSArd Biesheuvel unsigned long *addr, unsigned long random_seed, 9349cf42bcaSArd Biesheuvel int memory_type); 9358166ec09SArd Biesheuvel 936*196dff27SArd Biesheuvel efi_status_t efi_random_get_seed(void); 937*196dff27SArd Biesheuvel 9388166ec09SArd Biesheuvel efi_status_t check_platform_features(void); 9398166ec09SArd Biesheuvel 9408166ec09SArd Biesheuvel void *get_efi_config_table(efi_guid_t guid); 9418166ec09SArd Biesheuvel 942cb8c90a0SArvind Sankar /* NOTE: These functions do not print a trailing newline after the string */ 943cb8c90a0SArvind Sankar void efi_char16_puts(efi_char16_t *); 944cb8c90a0SArvind Sankar void efi_puts(const char *str); 9458166ec09SArd Biesheuvel 9462c7d1e30SArvind Sankar __printf(1, 2) int efi_printk(char const *fmt, ...); 9478166ec09SArd Biesheuvel 9488166ec09SArd Biesheuvel void efi_free(unsigned long size, unsigned long addr); 9498166ec09SArd Biesheuvel 950a241d94bSArd Biesheuvel void efi_apply_loadoptions_quirk(const void **load_options, u32 *load_options_size); 9514a568ce2SArvind Sankar 95227cd5511SArd Biesheuvel char *efi_convert_cmdline(efi_loaded_image_t *image, int *cmd_line_len); 9538166ec09SArd Biesheuvel 954171539f5SArd Biesheuvel efi_status_t efi_get_memory_map(struct efi_boot_memmap **map, 955171539f5SArd Biesheuvel bool install_cfg_tbl); 9568166ec09SArd Biesheuvel 9578166ec09SArd Biesheuvel efi_status_t efi_allocate_pages(unsigned long size, unsigned long *addr, 9588166ec09SArd Biesheuvel unsigned long max); 9598166ec09SArd Biesheuvel 96043b1df0eSArd Biesheuvel efi_status_t efi_allocate_pages_aligned(unsigned long size, unsigned long *addr, 9619cf42bcaSArd Biesheuvel unsigned long max, unsigned long align, 9629cf42bcaSArd Biesheuvel int memory_type); 96343b1df0eSArd Biesheuvel 9641a895dbfSArd Biesheuvel efi_status_t efi_low_alloc_above(unsigned long size, unsigned long align, 9651a895dbfSArd Biesheuvel unsigned long *addr, unsigned long min); 9661a895dbfSArd Biesheuvel 9678166ec09SArd Biesheuvel efi_status_t efi_relocate_kernel(unsigned long *image_addr, 9688166ec09SArd Biesheuvel unsigned long image_size, 9698166ec09SArd Biesheuvel unsigned long alloc_size, 9708166ec09SArd Biesheuvel unsigned long preferred_addr, 9718166ec09SArd Biesheuvel unsigned long alignment, 9728166ec09SArd Biesheuvel unsigned long min_addr); 9738166ec09SArd Biesheuvel 9748166ec09SArd Biesheuvel efi_status_t efi_parse_options(char const *cmdline); 9758166ec09SArd Biesheuvel 976fffb6804SArvind Sankar void efi_parse_option_graphics(char *option); 977fffb6804SArvind Sankar 9788166ec09SArd Biesheuvel efi_status_t efi_setup_gop(struct screen_info *si, efi_guid_t *proto, 9798166ec09SArd Biesheuvel unsigned long size); 9808166ec09SArd Biesheuvel 981cf6b8366SArd Biesheuvel efi_status_t handle_cmdline_files(efi_loaded_image_t *image, 982cf6b8366SArd Biesheuvel const efi_char16_t *optstr, 983cf6b8366SArd Biesheuvel int optstr_size, 984cf6b8366SArd Biesheuvel unsigned long soft_limit, 985cf6b8366SArd Biesheuvel unsigned long hard_limit, 9869302c1bbSArd Biesheuvel unsigned long *load_addr, 9879302c1bbSArd Biesheuvel unsigned long *load_size); 9889302c1bbSArd Biesheuvel 989cf6b8366SArd Biesheuvel 990cf6b8366SArd Biesheuvel static inline efi_status_t efi_load_dtb(efi_loaded_image_t *image, 991cf6b8366SArd Biesheuvel unsigned long *load_addr, 992cf6b8366SArd Biesheuvel unsigned long *load_size) 993cf6b8366SArd Biesheuvel { 994cf6b8366SArd Biesheuvel return handle_cmdline_files(image, L"dtb=", sizeof(L"dtb=") - 2, 995cf6b8366SArd Biesheuvel ULONG_MAX, ULONG_MAX, load_addr, load_size); 996cf6b8366SArd Biesheuvel } 997cf6b8366SArd Biesheuvel 998f61900fdSArvind Sankar efi_status_t efi_load_initrd(efi_loaded_image_t *image, 99931f5e546SArd Biesheuvel unsigned long soft_limit, 1000f4dc7fffSArd Biesheuvel unsigned long hard_limit, 1001f4dc7fffSArd Biesheuvel const struct linux_efi_initrd **out); 10023230d95cSAtish Patra /* 10033230d95cSAtish Patra * This function handles the architcture specific differences between arm and 10043230d95cSAtish Patra * arm64 regarding where the kernel image must be loaded and any memory that 10053230d95cSAtish Patra * must be reserved. On failure it is required to free all 10063230d95cSAtish Patra * all allocations it has made. 10073230d95cSAtish Patra */ 10083230d95cSAtish Patra efi_status_t handle_kernel_image(unsigned long *image_addr, 10093230d95cSAtish Patra unsigned long *image_size, 10103230d95cSAtish Patra unsigned long *reserve_addr, 10113230d95cSAtish Patra unsigned long *reserve_size, 1012416a9f84SArd Biesheuvel efi_loaded_image_t *image, 1013416a9f84SArd Biesheuvel efi_handle_t image_handle); 10143230d95cSAtish Patra 101542c8ea3dSArd Biesheuvel /* shared entrypoint between the normal stub and the zboot stub */ 101642c8ea3dSArd Biesheuvel efi_status_t efi_stub_common(efi_handle_t handle, 101742c8ea3dSArd Biesheuvel efi_loaded_image_t *image, 101842c8ea3dSArd Biesheuvel unsigned long image_addr, 101942c8ea3dSArd Biesheuvel char *cmdline_ptr); 102042c8ea3dSArd Biesheuvel 102142c8ea3dSArd Biesheuvel efi_status_t efi_handle_cmdline(efi_loaded_image_t *image, char **cmdline_ptr); 102242c8ea3dSArd Biesheuvel 10233230d95cSAtish Patra asmlinkage void __noreturn efi_enter_kernel(unsigned long entrypoint, 10243230d95cSAtish Patra unsigned long fdt_addr, 10253230d95cSAtish Patra unsigned long fdt_size); 1026ec93fc37SArd Biesheuvel 10272a55280aSArd Biesheuvel void efi_handle_post_ebs_state(void); 10282a55280aSArd Biesheuvel 1029e1ac4b24SChester Lin enum efi_secureboot_mode efi_get_secureboot(void); 1030e1ac4b24SChester Lin 10313820749dSArd Biesheuvel #ifdef CONFIG_RESET_ATTACK_MITIGATION 10323820749dSArd Biesheuvel void efi_enable_reset_attack_mitigation(void); 10333820749dSArd Biesheuvel #else 10343820749dSArd Biesheuvel static inline void 10353820749dSArd Biesheuvel efi_enable_reset_attack_mitigation(void) { } 10363820749dSArd Biesheuvel #endif 10373820749dSArd Biesheuvel 10383820749dSArd Biesheuvel void efi_retrieve_tpm2_eventlog(void); 10393820749dSArd Biesheuvel 1040732ea9dbSArd Biesheuvel struct screen_info *alloc_screen_info(void); 1041732ea9dbSArd Biesheuvel void free_screen_info(struct screen_info *si); 1042732ea9dbSArd Biesheuvel 1043d9ffe524SArd Biesheuvel void efi_cache_sync_image(unsigned long image_base, 1044d9ffe524SArd Biesheuvel unsigned long alloc_size, 1045d9ffe524SArd Biesheuvel unsigned long code_size); 1046d9ffe524SArd Biesheuvel 1047550b33cfSArd Biesheuvel struct efi_smbios_record { 1048550b33cfSArd Biesheuvel u8 type; 1049550b33cfSArd Biesheuvel u8 length; 1050550b33cfSArd Biesheuvel u16 handle; 1051550b33cfSArd Biesheuvel }; 1052550b33cfSArd Biesheuvel 1053550b33cfSArd Biesheuvel struct efi_smbios_type1_record { 1054550b33cfSArd Biesheuvel struct efi_smbios_record header; 1055550b33cfSArd Biesheuvel 1056550b33cfSArd Biesheuvel u8 manufacturer; 1057550b33cfSArd Biesheuvel u8 product_name; 1058550b33cfSArd Biesheuvel u8 version; 1059550b33cfSArd Biesheuvel u8 serial_number; 1060550b33cfSArd Biesheuvel efi_guid_t uuid; 1061550b33cfSArd Biesheuvel u8 wakeup_type; 1062550b33cfSArd Biesheuvel u8 sku_number; 1063550b33cfSArd Biesheuvel u8 family; 1064550b33cfSArd Biesheuvel }; 1065550b33cfSArd Biesheuvel 1066550b33cfSArd Biesheuvel #define efi_get_smbios_string(__type, __name) ({ \ 1067550b33cfSArd Biesheuvel int size = sizeof(struct efi_smbios_type ## __type ## _record); \ 1068550b33cfSArd Biesheuvel int off = offsetof(struct efi_smbios_type ## __type ## _record, \ 1069550b33cfSArd Biesheuvel __name); \ 1070550b33cfSArd Biesheuvel __efi_get_smbios_string(__type, off, size); \ 1071550b33cfSArd Biesheuvel }) 1072550b33cfSArd Biesheuvel 1073550b33cfSArd Biesheuvel const u8 *__efi_get_smbios_string(u8 type, int offset, int recsize); 1074550b33cfSArd Biesheuvel 1075f4f75ad5SArd Biesheuvel #endif 1076