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) 48de8c5520SArvind Sankar #define efi_bs_call(func, ...) efi_system_table->boottime->func(__VA_ARGS__) 49de8c5520SArvind Sankar #define efi_rt_call(func, ...) efi_system_table->runtime->func(__VA_ARGS__) 503ba75c13SBaskov Evgeniy #define efi_dxe_call(func, ...) efi_dxe_table->func(__VA_ARGS__) 5122090f84SArd Biesheuvel #define efi_table_attr(inst, attr) (inst->attr) 5222090f84SArd Biesheuvel #define efi_call_proto(inst, func, ...) inst->func(inst, ##__VA_ARGS__) 53de8c5520SArvind Sankar 5422090f84SArd Biesheuvel #endif 5522090f84SArd Biesheuvel 5623d5b73fSArvind Sankar #define efi_info(fmt, ...) \ 5723d5b73fSArvind Sankar efi_printk(KERN_INFO fmt, ##__VA_ARGS__) 58c1df5e0cSArvind Sankar #define efi_warn(fmt, ...) \ 59c1df5e0cSArvind Sankar efi_printk(KERN_WARNING "WARNING: " fmt, ##__VA_ARGS__) 6023d5b73fSArvind Sankar #define efi_err(fmt, ...) \ 6123d5b73fSArvind Sankar efi_printk(KERN_ERR "ERROR: " fmt, ##__VA_ARGS__) 6223d5b73fSArvind Sankar #define efi_debug(fmt, ...) \ 6323d5b73fSArvind Sankar efi_printk(KERN_DEBUG "DEBUG: " fmt, ##__VA_ARGS__) 6460f38de7SArd Biesheuvel 65c1df5e0cSArvind Sankar #define efi_printk_once(fmt, ...) \ 66c1df5e0cSArvind Sankar ({ \ 67c1df5e0cSArvind Sankar static bool __print_once; \ 68c1df5e0cSArvind Sankar bool __ret_print_once = !__print_once; \ 69c1df5e0cSArvind Sankar \ 70c1df5e0cSArvind Sankar if (!__print_once) { \ 71c1df5e0cSArvind Sankar __print_once = true; \ 72c1df5e0cSArvind Sankar efi_printk(fmt, ##__VA_ARGS__); \ 73c1df5e0cSArvind Sankar } \ 74c1df5e0cSArvind Sankar __ret_print_once; \ 75c1df5e0cSArvind Sankar }) 76c1df5e0cSArvind Sankar 77c1df5e0cSArvind Sankar #define efi_info_once(fmt, ...) \ 78c1df5e0cSArvind Sankar efi_printk_once(KERN_INFO fmt, ##__VA_ARGS__) 79c1df5e0cSArvind Sankar #define efi_warn_once(fmt, ...) \ 80c1df5e0cSArvind Sankar efi_printk_once(KERN_WARNING "WARNING: " fmt, ##__VA_ARGS__) 81c1df5e0cSArvind Sankar #define efi_err_once(fmt, ...) \ 82c1df5e0cSArvind Sankar efi_printk_once(KERN_ERR "ERROR: " fmt, ##__VA_ARGS__) 83c1df5e0cSArvind Sankar #define efi_debug_once(fmt, ...) \ 84c1df5e0cSArvind Sankar efi_printk_once(KERN_DEBUG "DEBUG: " fmt, ##__VA_ARGS__) 85c1df5e0cSArvind Sankar 86ac9aff8eSIngo Molnar /* Helper macros for the usual case of using simple C variables: */ 87ac9aff8eSIngo Molnar #ifndef fdt_setprop_inplace_var 88ac9aff8eSIngo Molnar #define fdt_setprop_inplace_var(fdt, node_offset, name, var) \ 89ac9aff8eSIngo Molnar fdt_setprop_inplace((fdt), (node_offset), (name), &(var), sizeof(var)) 90ac9aff8eSIngo Molnar #endif 91ac9aff8eSIngo Molnar 92ac9aff8eSIngo Molnar #ifndef fdt_setprop_var 93ac9aff8eSIngo Molnar #define fdt_setprop_var(fdt, node_offset, name, var) \ 94ac9aff8eSIngo Molnar fdt_setprop((fdt), (node_offset), (name), &(var), sizeof(var)) 95ac9aff8eSIngo Molnar #endif 96ac9aff8eSIngo Molnar 97966291f6SArd Biesheuvel #define get_efi_var(name, vendor, ...) \ 98966291f6SArd Biesheuvel efi_rt_call(get_variable, (efi_char16_t *)(name), \ 99966291f6SArd Biesheuvel (efi_guid_t *)(vendor), __VA_ARGS__) 100966291f6SArd Biesheuvel 101966291f6SArd Biesheuvel #define set_efi_var(name, vendor, ...) \ 102966291f6SArd Biesheuvel efi_rt_call(set_variable, (efi_char16_t *)(name), \ 103966291f6SArd Biesheuvel (efi_guid_t *)(vendor), __VA_ARGS__) 104966291f6SArd Biesheuvel 1058166ec09SArd Biesheuvel #define efi_get_handle_at(array, idx) \ 1068166ec09SArd Biesheuvel (efi_is_native() ? (array)[idx] \ 1078166ec09SArd Biesheuvel : (efi_handle_t)(unsigned long)((u32 *)(array))[idx]) 1088166ec09SArd Biesheuvel 1098166ec09SArd Biesheuvel #define efi_get_handle_num(size) \ 1108166ec09SArd Biesheuvel ((size) / (efi_is_native() ? sizeof(efi_handle_t) : sizeof(u32))) 1118166ec09SArd Biesheuvel 1128166ec09SArd Biesheuvel #define for_each_efi_handle(handle, array, size, i) \ 1138166ec09SArd Biesheuvel for (i = 0; \ 1148166ec09SArd Biesheuvel i < efi_get_handle_num(size) && \ 1158166ec09SArd Biesheuvel ((handle = efi_get_handle_at((array), i)) || true); \ 1168166ec09SArd Biesheuvel i++) 1178166ec09SArd Biesheuvel 118eed4e019SArvind Sankar static inline 119eed4e019SArvind Sankar void efi_set_u64_split(u64 data, u32 *lo, u32 *hi) 120eed4e019SArvind Sankar { 121eed4e019SArvind Sankar *lo = lower_32_bits(data); 122eed4e019SArvind Sankar *hi = upper_32_bits(data); 123eed4e019SArvind Sankar } 124eed4e019SArvind Sankar 1258166ec09SArd Biesheuvel /* 1268166ec09SArd Biesheuvel * Allocation types for calls to boottime->allocate_pages. 1278166ec09SArd Biesheuvel */ 1288166ec09SArd Biesheuvel #define EFI_ALLOCATE_ANY_PAGES 0 1298166ec09SArd Biesheuvel #define EFI_ALLOCATE_MAX_ADDRESS 1 1308166ec09SArd Biesheuvel #define EFI_ALLOCATE_ADDRESS 2 1318166ec09SArd Biesheuvel #define EFI_MAX_ALLOCATE_TYPE 3 1328166ec09SArd Biesheuvel 1338166ec09SArd Biesheuvel /* 1348166ec09SArd Biesheuvel * The type of search to perform when calling boottime->locate_handle 1358166ec09SArd Biesheuvel */ 1368166ec09SArd Biesheuvel #define EFI_LOCATE_ALL_HANDLES 0 1378166ec09SArd Biesheuvel #define EFI_LOCATE_BY_REGISTER_NOTIFY 1 1388166ec09SArd Biesheuvel #define EFI_LOCATE_BY_PROTOCOL 2 1398166ec09SArd Biesheuvel 140fd626195SLenny Szubowicz /* 1419b47c527SArvind Sankar * boottime->stall takes the time period in microseconds 1429b47c527SArvind Sankar */ 1439b47c527SArvind Sankar #define EFI_USEC_PER_SEC 1000000 1449b47c527SArvind Sankar 1459b47c527SArvind Sankar /* 1469b47c527SArvind Sankar * boottime->set_timer takes the time in 100ns units 1479b47c527SArvind Sankar */ 1489b47c527SArvind Sankar #define EFI_100NSEC_PER_USEC ((u64)10) 1499b47c527SArvind Sankar 150d1343da3SIngo Molnar /* 151fd626195SLenny Szubowicz * An efi_boot_memmap is used by efi_get_memory_map() to return the 152fd626195SLenny Szubowicz * EFI memory map in a dynamically allocated buffer. 153fd626195SLenny Szubowicz * 154fd626195SLenny Szubowicz * The buffer allocated for the EFI memory map includes extra room for 155fd626195SLenny Szubowicz * a minimum of EFI_MMAP_NR_SLACK_SLOTS additional EFI memory descriptors. 156fd626195SLenny Szubowicz * This facilitates the reuse of the EFI memory map buffer when a second 157fd626195SLenny Szubowicz * call to ExitBootServices() is needed because of intervening changes to 158fd626195SLenny Szubowicz * the EFI memory map. Other related structures, e.g. x86 e820ext, need 159fd626195SLenny Szubowicz * to factor in this headroom requirement as well. 160fd626195SLenny Szubowicz */ 161fd626195SLenny Szubowicz #define EFI_MMAP_NR_SLACK_SLOTS 8 162fd626195SLenny Szubowicz 1638166ec09SArd Biesheuvel struct efi_boot_memmap { 1648166ec09SArd Biesheuvel efi_memory_desc_t **map; 1658166ec09SArd Biesheuvel unsigned long *map_size; 1668166ec09SArd Biesheuvel unsigned long *desc_size; 1678166ec09SArd Biesheuvel u32 *desc_ver; 1688166ec09SArd Biesheuvel unsigned long *key_ptr; 1698166ec09SArd Biesheuvel unsigned long *buff_size; 1708166ec09SArd Biesheuvel }; 1718166ec09SArd Biesheuvel 172abd26868SArd Biesheuvel typedef struct efi_generic_dev_path efi_device_path_protocol_t; 173abd26868SArd Biesheuvel 1749b47c527SArvind Sankar typedef void *efi_event_t; 1759b47c527SArvind Sankar /* Note that notifications won't work in mixed mode */ 1769b47c527SArvind Sankar typedef void (__efiapi *efi_event_notify_t)(efi_event_t, void *); 1779b47c527SArvind Sankar 1789b47c527SArvind Sankar #define EFI_EVT_TIMER 0x80000000U 1799b47c527SArvind Sankar #define EFI_EVT_RUNTIME 0x40000000U 1809b47c527SArvind Sankar #define EFI_EVT_NOTIFY_WAIT 0x00000100U 1819b47c527SArvind Sankar #define EFI_EVT_NOTIFY_SIGNAL 0x00000200U 1829b47c527SArvind Sankar 1838c0a839cSHeinrich Schuchardt /** 1848c0a839cSHeinrich Schuchardt * efi_set_event_at() - add event to events array 1858c0a839cSHeinrich Schuchardt * 1868c0a839cSHeinrich Schuchardt * @events: array of UEFI events 1878c0a839cSHeinrich Schuchardt * @ids: index where to put the event in the array 1888c0a839cSHeinrich Schuchardt * @event: event to add to the aray 1898c0a839cSHeinrich Schuchardt * 1908c0a839cSHeinrich Schuchardt * boottime->wait_for_event() takes an array of events as input. 1919b47c527SArvind Sankar * Provide a helper to set it up correctly for mixed mode. 1929b47c527SArvind Sankar */ 1939b47c527SArvind Sankar static inline 1949b47c527SArvind Sankar void efi_set_event_at(efi_event_t *events, size_t idx, efi_event_t event) 1959b47c527SArvind Sankar { 1969b47c527SArvind Sankar if (efi_is_native()) 1979b47c527SArvind Sankar events[idx] = event; 1989b47c527SArvind Sankar else 1999b47c527SArvind Sankar ((u32 *)events)[idx] = (u32)(unsigned long)event; 2009b47c527SArvind Sankar } 2019b47c527SArvind Sankar 2029b47c527SArvind Sankar #define EFI_TPL_APPLICATION 4 2039b47c527SArvind Sankar #define EFI_TPL_CALLBACK 8 2049b47c527SArvind Sankar #define EFI_TPL_NOTIFY 16 2059b47c527SArvind Sankar #define EFI_TPL_HIGH_LEVEL 31 2069b47c527SArvind Sankar 2079b47c527SArvind Sankar typedef enum { 2089b47c527SArvind Sankar EfiTimerCancel, 2099b47c527SArvind Sankar EfiTimerPeriodic, 2109b47c527SArvind Sankar EfiTimerRelative 2119b47c527SArvind Sankar } EFI_TIMER_DELAY; 2129b47c527SArvind Sankar 2138166ec09SArd Biesheuvel /* 2148166ec09SArd Biesheuvel * EFI Boot Services table 2158166ec09SArd Biesheuvel */ 2168166ec09SArd Biesheuvel union efi_boot_services { 2178166ec09SArd Biesheuvel struct { 2188166ec09SArd Biesheuvel efi_table_hdr_t hdr; 2198166ec09SArd Biesheuvel void *raise_tpl; 2208166ec09SArd Biesheuvel void *restore_tpl; 2218166ec09SArd Biesheuvel efi_status_t (__efiapi *allocate_pages)(int, int, unsigned long, 2228166ec09SArd Biesheuvel efi_physical_addr_t *); 2238166ec09SArd Biesheuvel efi_status_t (__efiapi *free_pages)(efi_physical_addr_t, 2248166ec09SArd Biesheuvel unsigned long); 2258166ec09SArd Biesheuvel efi_status_t (__efiapi *get_memory_map)(unsigned long *, void *, 2268166ec09SArd Biesheuvel unsigned long *, 2278166ec09SArd Biesheuvel unsigned long *, u32 *); 2288166ec09SArd Biesheuvel efi_status_t (__efiapi *allocate_pool)(int, unsigned long, 2298166ec09SArd Biesheuvel void **); 2308166ec09SArd Biesheuvel efi_status_t (__efiapi *free_pool)(void *); 2319b47c527SArvind Sankar efi_status_t (__efiapi *create_event)(u32, unsigned long, 2329b47c527SArvind Sankar efi_event_notify_t, void *, 2339b47c527SArvind Sankar efi_event_t *); 2349b47c527SArvind Sankar efi_status_t (__efiapi *set_timer)(efi_event_t, 2359b47c527SArvind Sankar EFI_TIMER_DELAY, u64); 2369b47c527SArvind Sankar efi_status_t (__efiapi *wait_for_event)(unsigned long, 2379b47c527SArvind Sankar efi_event_t *, 2389b47c527SArvind Sankar unsigned long *); 2398166ec09SArd Biesheuvel void *signal_event; 2409b47c527SArvind Sankar efi_status_t (__efiapi *close_event)(efi_event_t); 2418166ec09SArd Biesheuvel void *check_event; 2428166ec09SArd Biesheuvel void *install_protocol_interface; 2438166ec09SArd Biesheuvel void *reinstall_protocol_interface; 2448166ec09SArd Biesheuvel void *uninstall_protocol_interface; 2458166ec09SArd Biesheuvel efi_status_t (__efiapi *handle_protocol)(efi_handle_t, 2468166ec09SArd Biesheuvel efi_guid_t *, void **); 2478166ec09SArd Biesheuvel void *__reserved; 2488166ec09SArd Biesheuvel void *register_protocol_notify; 2498166ec09SArd Biesheuvel efi_status_t (__efiapi *locate_handle)(int, efi_guid_t *, 2508166ec09SArd Biesheuvel void *, unsigned long *, 2518166ec09SArd Biesheuvel efi_handle_t *); 252abd26868SArd Biesheuvel efi_status_t (__efiapi *locate_device_path)(efi_guid_t *, 253abd26868SArd Biesheuvel efi_device_path_protocol_t **, 254abd26868SArd Biesheuvel efi_handle_t *); 2558166ec09SArd Biesheuvel efi_status_t (__efiapi *install_configuration_table)(efi_guid_t *, 2568166ec09SArd Biesheuvel void *); 2578166ec09SArd Biesheuvel void *load_image; 2588166ec09SArd Biesheuvel void *start_image; 2593b8f44fcSArd Biesheuvel efi_status_t __noreturn (__efiapi *exit)(efi_handle_t, 2603b8f44fcSArd Biesheuvel efi_status_t, 2613b8f44fcSArd Biesheuvel unsigned long, 2623b8f44fcSArd Biesheuvel efi_char16_t *); 2638166ec09SArd Biesheuvel void *unload_image; 2648166ec09SArd Biesheuvel efi_status_t (__efiapi *exit_boot_services)(efi_handle_t, 2658166ec09SArd Biesheuvel unsigned long); 2668166ec09SArd Biesheuvel void *get_next_monotonic_count; 2679b47c527SArvind Sankar efi_status_t (__efiapi *stall)(unsigned long); 2688166ec09SArd Biesheuvel void *set_watchdog_timer; 2698166ec09SArd Biesheuvel void *connect_controller; 2708166ec09SArd Biesheuvel efi_status_t (__efiapi *disconnect_controller)(efi_handle_t, 2718166ec09SArd Biesheuvel efi_handle_t, 2728166ec09SArd Biesheuvel efi_handle_t); 2738166ec09SArd Biesheuvel void *open_protocol; 2748166ec09SArd Biesheuvel void *close_protocol; 2758166ec09SArd Biesheuvel void *open_protocol_information; 2768166ec09SArd Biesheuvel void *protocols_per_handle; 2778166ec09SArd Biesheuvel void *locate_handle_buffer; 2788166ec09SArd Biesheuvel efi_status_t (__efiapi *locate_protocol)(efi_guid_t *, void *, 2798166ec09SArd Biesheuvel void **); 2808166ec09SArd Biesheuvel void *install_multiple_protocol_interfaces; 2818166ec09SArd Biesheuvel void *uninstall_multiple_protocol_interfaces; 2828166ec09SArd Biesheuvel void *calculate_crc32; 2838166ec09SArd Biesheuvel void *copy_mem; 2848166ec09SArd Biesheuvel void *set_mem; 2858166ec09SArd Biesheuvel void *create_event_ex; 2868166ec09SArd Biesheuvel }; 2878166ec09SArd Biesheuvel struct { 2888166ec09SArd Biesheuvel efi_table_hdr_t hdr; 2898166ec09SArd Biesheuvel u32 raise_tpl; 2908166ec09SArd Biesheuvel u32 restore_tpl; 2918166ec09SArd Biesheuvel u32 allocate_pages; 2928166ec09SArd Biesheuvel u32 free_pages; 2938166ec09SArd Biesheuvel u32 get_memory_map; 2948166ec09SArd Biesheuvel u32 allocate_pool; 2958166ec09SArd Biesheuvel u32 free_pool; 2968166ec09SArd Biesheuvel u32 create_event; 2978166ec09SArd Biesheuvel u32 set_timer; 2988166ec09SArd Biesheuvel u32 wait_for_event; 2998166ec09SArd Biesheuvel u32 signal_event; 3008166ec09SArd Biesheuvel u32 close_event; 3018166ec09SArd Biesheuvel u32 check_event; 3028166ec09SArd Biesheuvel u32 install_protocol_interface; 3038166ec09SArd Biesheuvel u32 reinstall_protocol_interface; 3048166ec09SArd Biesheuvel u32 uninstall_protocol_interface; 3058166ec09SArd Biesheuvel u32 handle_protocol; 3068166ec09SArd Biesheuvel u32 __reserved; 3078166ec09SArd Biesheuvel u32 register_protocol_notify; 3088166ec09SArd Biesheuvel u32 locate_handle; 3098166ec09SArd Biesheuvel u32 locate_device_path; 3108166ec09SArd Biesheuvel u32 install_configuration_table; 3118166ec09SArd Biesheuvel u32 load_image; 3128166ec09SArd Biesheuvel u32 start_image; 3138166ec09SArd Biesheuvel u32 exit; 3148166ec09SArd Biesheuvel u32 unload_image; 3158166ec09SArd Biesheuvel u32 exit_boot_services; 3168166ec09SArd Biesheuvel u32 get_next_monotonic_count; 3178166ec09SArd Biesheuvel u32 stall; 3188166ec09SArd Biesheuvel u32 set_watchdog_timer; 3198166ec09SArd Biesheuvel u32 connect_controller; 3208166ec09SArd Biesheuvel u32 disconnect_controller; 3218166ec09SArd Biesheuvel u32 open_protocol; 3228166ec09SArd Biesheuvel u32 close_protocol; 3238166ec09SArd Biesheuvel u32 open_protocol_information; 3248166ec09SArd Biesheuvel u32 protocols_per_handle; 3258166ec09SArd Biesheuvel u32 locate_handle_buffer; 3268166ec09SArd Biesheuvel u32 locate_protocol; 3278166ec09SArd Biesheuvel u32 install_multiple_protocol_interfaces; 3288166ec09SArd Biesheuvel u32 uninstall_multiple_protocol_interfaces; 3298166ec09SArd Biesheuvel u32 calculate_crc32; 3308166ec09SArd Biesheuvel u32 copy_mem; 3318166ec09SArd Biesheuvel u32 set_mem; 3328166ec09SArd Biesheuvel u32 create_event_ex; 3338166ec09SArd Biesheuvel } mixed_mode; 3348166ec09SArd Biesheuvel }; 3358166ec09SArd Biesheuvel 3363ba75c13SBaskov Evgeniy typedef enum { 3373ba75c13SBaskov Evgeniy EfiGcdMemoryTypeNonExistent, 3383ba75c13SBaskov Evgeniy EfiGcdMemoryTypeReserved, 3393ba75c13SBaskov Evgeniy EfiGcdMemoryTypeSystemMemory, 3403ba75c13SBaskov Evgeniy EfiGcdMemoryTypeMemoryMappedIo, 3413ba75c13SBaskov Evgeniy EfiGcdMemoryTypePersistent, 3423ba75c13SBaskov Evgeniy EfiGcdMemoryTypeMoreReliable, 3433ba75c13SBaskov Evgeniy EfiGcdMemoryTypeMaximum 3443ba75c13SBaskov Evgeniy } efi_gcd_memory_type_t; 3453ba75c13SBaskov Evgeniy 3463ba75c13SBaskov Evgeniy typedef struct { 3473ba75c13SBaskov Evgeniy efi_physical_addr_t base_address; 3483ba75c13SBaskov Evgeniy u64 length; 3493ba75c13SBaskov Evgeniy u64 capabilities; 3503ba75c13SBaskov Evgeniy u64 attributes; 3513ba75c13SBaskov Evgeniy efi_gcd_memory_type_t gcd_memory_type; 3523ba75c13SBaskov Evgeniy void *image_handle; 3533ba75c13SBaskov Evgeniy void *device_handle; 3543ba75c13SBaskov Evgeniy } efi_gcd_memory_space_desc_t; 3553ba75c13SBaskov Evgeniy 3563ba75c13SBaskov Evgeniy /* 3573ba75c13SBaskov Evgeniy * EFI DXE Services table 3583ba75c13SBaskov Evgeniy */ 3593ba75c13SBaskov Evgeniy union efi_dxe_services_table { 3603ba75c13SBaskov Evgeniy struct { 3613ba75c13SBaskov Evgeniy efi_table_hdr_t hdr; 3623ba75c13SBaskov Evgeniy void *add_memory_space; 3633ba75c13SBaskov Evgeniy void *allocate_memory_space; 3643ba75c13SBaskov Evgeniy void *free_memory_space; 3653ba75c13SBaskov Evgeniy void *remove_memory_space; 3663ba75c13SBaskov Evgeniy efi_status_t (__efiapi *get_memory_space_descriptor)(efi_physical_addr_t, 3673ba75c13SBaskov Evgeniy efi_gcd_memory_space_desc_t *); 3683ba75c13SBaskov Evgeniy efi_status_t (__efiapi *set_memory_space_attributes)(efi_physical_addr_t, 3693ba75c13SBaskov Evgeniy u64, u64); 3703ba75c13SBaskov Evgeniy void *get_memory_space_map; 3713ba75c13SBaskov Evgeniy void *add_io_space; 3723ba75c13SBaskov Evgeniy void *allocate_io_space; 3733ba75c13SBaskov Evgeniy void *free_io_space; 3743ba75c13SBaskov Evgeniy void *remove_io_space; 3753ba75c13SBaskov Evgeniy void *get_io_space_descriptor; 3763ba75c13SBaskov Evgeniy void *get_io_space_map; 3773ba75c13SBaskov Evgeniy void *dispatch; 3783ba75c13SBaskov Evgeniy void *schedule; 3793ba75c13SBaskov Evgeniy void *trust; 3803ba75c13SBaskov Evgeniy void *process_firmware_volume; 3813ba75c13SBaskov Evgeniy void *set_memory_space_capabilities; 3823ba75c13SBaskov Evgeniy }; 3833ba75c13SBaskov Evgeniy struct { 3843ba75c13SBaskov Evgeniy efi_table_hdr_t hdr; 3853ba75c13SBaskov Evgeniy u32 add_memory_space; 3863ba75c13SBaskov Evgeniy u32 allocate_memory_space; 3873ba75c13SBaskov Evgeniy u32 free_memory_space; 3883ba75c13SBaskov Evgeniy u32 remove_memory_space; 3893ba75c13SBaskov Evgeniy u32 get_memory_space_descriptor; 3903ba75c13SBaskov Evgeniy u32 set_memory_space_attributes; 3913ba75c13SBaskov Evgeniy u32 get_memory_space_map; 3923ba75c13SBaskov Evgeniy u32 add_io_space; 3933ba75c13SBaskov Evgeniy u32 allocate_io_space; 3943ba75c13SBaskov Evgeniy u32 free_io_space; 3953ba75c13SBaskov Evgeniy u32 remove_io_space; 3963ba75c13SBaskov Evgeniy u32 get_io_space_descriptor; 3973ba75c13SBaskov Evgeniy u32 get_io_space_map; 3983ba75c13SBaskov Evgeniy u32 dispatch; 3993ba75c13SBaskov Evgeniy u32 schedule; 4003ba75c13SBaskov Evgeniy u32 trust; 4013ba75c13SBaskov Evgeniy u32 process_firmware_volume; 4023ba75c13SBaskov Evgeniy u32 set_memory_space_capabilities; 4033ba75c13SBaskov Evgeniy } mixed_mode; 4043ba75c13SBaskov Evgeniy }; 4053ba75c13SBaskov Evgeniy 406c2d0b470SArd Biesheuvel typedef union efi_uga_draw_protocol efi_uga_draw_protocol_t; 407c2d0b470SArd Biesheuvel 408c2d0b470SArd Biesheuvel union efi_uga_draw_protocol { 409c2d0b470SArd Biesheuvel struct { 410c2d0b470SArd Biesheuvel efi_status_t (__efiapi *get_mode)(efi_uga_draw_protocol_t *, 411c2d0b470SArd Biesheuvel u32*, u32*, u32*, u32*); 412c2d0b470SArd Biesheuvel void *set_mode; 413c2d0b470SArd Biesheuvel void *blt; 414c2d0b470SArd Biesheuvel }; 415c2d0b470SArd Biesheuvel struct { 416c2d0b470SArd Biesheuvel u32 get_mode; 417c2d0b470SArd Biesheuvel u32 set_mode; 418c2d0b470SArd Biesheuvel u32 blt; 419c2d0b470SArd Biesheuvel } mixed_mode; 420c2d0b470SArd Biesheuvel }; 421c2d0b470SArd Biesheuvel 4229b47c527SArvind Sankar typedef struct { 4239b47c527SArvind Sankar u16 scan_code; 4249b47c527SArvind Sankar efi_char16_t unicode_char; 4259b47c527SArvind Sankar } efi_input_key_t; 4269b47c527SArvind Sankar 4279b47c527SArvind Sankar union efi_simple_text_input_protocol { 4289b47c527SArvind Sankar struct { 4299b47c527SArvind Sankar void *reset; 4309b47c527SArvind Sankar efi_status_t (__efiapi *read_keystroke)(efi_simple_text_input_protocol_t *, 4319b47c527SArvind Sankar efi_input_key_t *); 4329b47c527SArvind Sankar efi_event_t wait_for_key; 4339b47c527SArvind Sankar }; 4349b47c527SArvind Sankar struct { 4359b47c527SArvind Sankar u32 reset; 4369b47c527SArvind Sankar u32 read_keystroke; 4379b47c527SArvind Sankar u32 wait_for_key; 4389b47c527SArvind Sankar } mixed_mode; 4399b47c527SArvind Sankar }; 4409b47c527SArvind Sankar 44114c574f3SArvind Sankar efi_status_t efi_wait_for_key(unsigned long usec, efi_input_key_t *key); 44214c574f3SArvind Sankar 4438166ec09SArd Biesheuvel union efi_simple_text_output_protocol { 4448166ec09SArd Biesheuvel struct { 4458166ec09SArd Biesheuvel void *reset; 4468166ec09SArd Biesheuvel efi_status_t (__efiapi *output_string)(efi_simple_text_output_protocol_t *, 4478166ec09SArd Biesheuvel efi_char16_t *); 4488166ec09SArd Biesheuvel void *test_string; 4498166ec09SArd Biesheuvel }; 4508166ec09SArd Biesheuvel struct { 4518166ec09SArd Biesheuvel u32 reset; 4528166ec09SArd Biesheuvel u32 output_string; 4538166ec09SArd Biesheuvel u32 test_string; 4548166ec09SArd Biesheuvel } mixed_mode; 4558166ec09SArd Biesheuvel }; 4568166ec09SArd Biesheuvel 4578166ec09SArd Biesheuvel #define PIXEL_RGB_RESERVED_8BIT_PER_COLOR 0 4588166ec09SArd Biesheuvel #define PIXEL_BGR_RESERVED_8BIT_PER_COLOR 1 4598166ec09SArd Biesheuvel #define PIXEL_BIT_MASK 2 4608166ec09SArd Biesheuvel #define PIXEL_BLT_ONLY 3 4618166ec09SArd Biesheuvel #define PIXEL_FORMAT_MAX 4 4628166ec09SArd Biesheuvel 4638166ec09SArd Biesheuvel typedef struct { 4648166ec09SArd Biesheuvel u32 red_mask; 4658166ec09SArd Biesheuvel u32 green_mask; 4668166ec09SArd Biesheuvel u32 blue_mask; 4678166ec09SArd Biesheuvel u32 reserved_mask; 4688166ec09SArd Biesheuvel } efi_pixel_bitmask_t; 4698166ec09SArd Biesheuvel 4708166ec09SArd Biesheuvel typedef struct { 4718166ec09SArd Biesheuvel u32 version; 4728166ec09SArd Biesheuvel u32 horizontal_resolution; 4738166ec09SArd Biesheuvel u32 vertical_resolution; 4748166ec09SArd Biesheuvel int pixel_format; 4758166ec09SArd Biesheuvel efi_pixel_bitmask_t pixel_information; 4768166ec09SArd Biesheuvel u32 pixels_per_scan_line; 4778166ec09SArd Biesheuvel } efi_graphics_output_mode_info_t; 4788166ec09SArd Biesheuvel 4798166ec09SArd Biesheuvel typedef union efi_graphics_output_protocol_mode efi_graphics_output_protocol_mode_t; 4808166ec09SArd Biesheuvel 4818166ec09SArd Biesheuvel union efi_graphics_output_protocol_mode { 4828166ec09SArd Biesheuvel struct { 4838166ec09SArd Biesheuvel u32 max_mode; 4848166ec09SArd Biesheuvel u32 mode; 4858166ec09SArd Biesheuvel efi_graphics_output_mode_info_t *info; 4868166ec09SArd Biesheuvel unsigned long size_of_info; 4878166ec09SArd Biesheuvel efi_physical_addr_t frame_buffer_base; 4888166ec09SArd Biesheuvel unsigned long frame_buffer_size; 4898166ec09SArd Biesheuvel }; 4908166ec09SArd Biesheuvel struct { 4918166ec09SArd Biesheuvel u32 max_mode; 4928166ec09SArd Biesheuvel u32 mode; 4938166ec09SArd Biesheuvel u32 info; 4948166ec09SArd Biesheuvel u32 size_of_info; 4958166ec09SArd Biesheuvel u64 frame_buffer_base; 4968166ec09SArd Biesheuvel u32 frame_buffer_size; 4978166ec09SArd Biesheuvel } mixed_mode; 4988166ec09SArd Biesheuvel }; 4998166ec09SArd Biesheuvel 5008166ec09SArd Biesheuvel typedef union efi_graphics_output_protocol efi_graphics_output_protocol_t; 5018166ec09SArd Biesheuvel 5028166ec09SArd Biesheuvel union efi_graphics_output_protocol { 5038166ec09SArd Biesheuvel struct { 504b4b89a02SArvind Sankar efi_status_t (__efiapi *query_mode)(efi_graphics_output_protocol_t *, 505b4b89a02SArvind Sankar u32, unsigned long *, 506b4b89a02SArvind Sankar efi_graphics_output_mode_info_t **); 507b4b89a02SArvind Sankar efi_status_t (__efiapi *set_mode) (efi_graphics_output_protocol_t *, u32); 5088166ec09SArd Biesheuvel void *blt; 5098166ec09SArd Biesheuvel efi_graphics_output_protocol_mode_t *mode; 5108166ec09SArd Biesheuvel }; 5118166ec09SArd Biesheuvel struct { 5128166ec09SArd Biesheuvel u32 query_mode; 5138166ec09SArd Biesheuvel u32 set_mode; 5148166ec09SArd Biesheuvel u32 blt; 5158166ec09SArd Biesheuvel u32 mode; 5168166ec09SArd Biesheuvel } mixed_mode; 5178166ec09SArd Biesheuvel }; 5188166ec09SArd Biesheuvel 519f7b85b33SArd Biesheuvel typedef union { 520f7b85b33SArd Biesheuvel struct { 521a46a290aSArd Biesheuvel u32 revision; 522a46a290aSArd Biesheuvel efi_handle_t parent_handle; 523a46a290aSArd Biesheuvel efi_system_table_t *system_table; 524a46a290aSArd Biesheuvel efi_handle_t device_handle; 525a46a290aSArd Biesheuvel void *file_path; 526a46a290aSArd Biesheuvel void *reserved; 527a46a290aSArd Biesheuvel u32 load_options_size; 528a46a290aSArd Biesheuvel void *load_options; 529a46a290aSArd Biesheuvel void *image_base; 530a46a290aSArd Biesheuvel __aligned_u64 image_size; 531a46a290aSArd Biesheuvel unsigned int image_code_type; 532a46a290aSArd Biesheuvel unsigned int image_data_type; 533a46a290aSArd Biesheuvel efi_status_t (__efiapi *unload)(efi_handle_t image_handle); 534f7b85b33SArd Biesheuvel }; 535f7b85b33SArd Biesheuvel struct { 536f7b85b33SArd Biesheuvel u32 revision; 537f7b85b33SArd Biesheuvel u32 parent_handle; 538f7b85b33SArd Biesheuvel u32 system_table; 539f7b85b33SArd Biesheuvel u32 device_handle; 540f7b85b33SArd Biesheuvel u32 file_path; 541f7b85b33SArd Biesheuvel u32 reserved; 542f7b85b33SArd Biesheuvel u32 load_options_size; 543f7b85b33SArd Biesheuvel u32 load_options; 544f7b85b33SArd Biesheuvel u32 image_base; 545f7b85b33SArd Biesheuvel __aligned_u64 image_size; 546f7b85b33SArd Biesheuvel u32 image_code_type; 547f7b85b33SArd Biesheuvel u32 image_data_type; 548f7b85b33SArd Biesheuvel u32 unload; 549f7b85b33SArd Biesheuvel } mixed_mode; 550a46a290aSArd Biesheuvel } efi_loaded_image_t; 551a46a290aSArd Biesheuvel 552a46a290aSArd Biesheuvel typedef struct { 553a46a290aSArd Biesheuvel u64 size; 554a46a290aSArd Biesheuvel u64 file_size; 555a46a290aSArd Biesheuvel u64 phys_size; 556a46a290aSArd Biesheuvel efi_time_t create_time; 557a46a290aSArd Biesheuvel efi_time_t last_access_time; 558a46a290aSArd Biesheuvel efi_time_t modification_time; 559a46a290aSArd Biesheuvel __aligned_u64 attribute; 5609302c1bbSArd Biesheuvel efi_char16_t filename[]; 561a46a290aSArd Biesheuvel } efi_file_info_t; 562a46a290aSArd Biesheuvel 563a46a290aSArd Biesheuvel typedef struct efi_file_protocol efi_file_protocol_t; 564a46a290aSArd Biesheuvel 565a46a290aSArd Biesheuvel struct efi_file_protocol { 566a46a290aSArd Biesheuvel u64 revision; 567a46a290aSArd Biesheuvel efi_status_t (__efiapi *open) (efi_file_protocol_t *, 568a46a290aSArd Biesheuvel efi_file_protocol_t **, 569a46a290aSArd Biesheuvel efi_char16_t *, u64, u64); 570a46a290aSArd Biesheuvel efi_status_t (__efiapi *close) (efi_file_protocol_t *); 571a46a290aSArd Biesheuvel efi_status_t (__efiapi *delete) (efi_file_protocol_t *); 572a46a290aSArd Biesheuvel efi_status_t (__efiapi *read) (efi_file_protocol_t *, 573a46a290aSArd Biesheuvel unsigned long *, void *); 574a46a290aSArd Biesheuvel efi_status_t (__efiapi *write) (efi_file_protocol_t *, 575a46a290aSArd Biesheuvel unsigned long, void *); 576a46a290aSArd Biesheuvel efi_status_t (__efiapi *get_position)(efi_file_protocol_t *, u64 *); 577a46a290aSArd Biesheuvel efi_status_t (__efiapi *set_position)(efi_file_protocol_t *, u64); 578a46a290aSArd Biesheuvel efi_status_t (__efiapi *get_info) (efi_file_protocol_t *, 579a46a290aSArd Biesheuvel efi_guid_t *, unsigned long *, 580a46a290aSArd Biesheuvel void *); 581a46a290aSArd Biesheuvel efi_status_t (__efiapi *set_info) (efi_file_protocol_t *, 582a46a290aSArd Biesheuvel efi_guid_t *, unsigned long, 583a46a290aSArd Biesheuvel void *); 584a46a290aSArd Biesheuvel efi_status_t (__efiapi *flush) (efi_file_protocol_t *); 585a46a290aSArd Biesheuvel }; 586a46a290aSArd Biesheuvel 587a46a290aSArd Biesheuvel typedef struct efi_simple_file_system_protocol efi_simple_file_system_protocol_t; 588a46a290aSArd Biesheuvel 589a46a290aSArd Biesheuvel struct efi_simple_file_system_protocol { 590a46a290aSArd Biesheuvel u64 revision; 591a46a290aSArd Biesheuvel int (__efiapi *open_volume)(efi_simple_file_system_protocol_t *, 592a46a290aSArd Biesheuvel efi_file_protocol_t **); 593a46a290aSArd Biesheuvel }; 594a46a290aSArd Biesheuvel 595a46a290aSArd Biesheuvel #define EFI_FILE_MODE_READ 0x0000000000000001 596a46a290aSArd Biesheuvel #define EFI_FILE_MODE_WRITE 0x0000000000000002 597a46a290aSArd Biesheuvel #define EFI_FILE_MODE_CREATE 0x8000000000000000 598a46a290aSArd Biesheuvel 5998166ec09SArd Biesheuvel typedef enum { 6008166ec09SArd Biesheuvel EfiPciIoWidthUint8, 6018166ec09SArd Biesheuvel EfiPciIoWidthUint16, 6028166ec09SArd Biesheuvel EfiPciIoWidthUint32, 6038166ec09SArd Biesheuvel EfiPciIoWidthUint64, 6048166ec09SArd Biesheuvel EfiPciIoWidthFifoUint8, 6058166ec09SArd Biesheuvel EfiPciIoWidthFifoUint16, 6068166ec09SArd Biesheuvel EfiPciIoWidthFifoUint32, 6078166ec09SArd Biesheuvel EfiPciIoWidthFifoUint64, 6088166ec09SArd Biesheuvel EfiPciIoWidthFillUint8, 6098166ec09SArd Biesheuvel EfiPciIoWidthFillUint16, 6108166ec09SArd Biesheuvel EfiPciIoWidthFillUint32, 6118166ec09SArd Biesheuvel EfiPciIoWidthFillUint64, 6128166ec09SArd Biesheuvel EfiPciIoWidthMaximum 6138166ec09SArd Biesheuvel } EFI_PCI_IO_PROTOCOL_WIDTH; 6148166ec09SArd Biesheuvel 6158166ec09SArd Biesheuvel typedef enum { 6168166ec09SArd Biesheuvel EfiPciIoAttributeOperationGet, 6178166ec09SArd Biesheuvel EfiPciIoAttributeOperationSet, 6188166ec09SArd Biesheuvel EfiPciIoAttributeOperationEnable, 6198166ec09SArd Biesheuvel EfiPciIoAttributeOperationDisable, 6208166ec09SArd Biesheuvel EfiPciIoAttributeOperationSupported, 6218166ec09SArd Biesheuvel EfiPciIoAttributeOperationMaximum 6228166ec09SArd Biesheuvel } EFI_PCI_IO_PROTOCOL_ATTRIBUTE_OPERATION; 6238166ec09SArd Biesheuvel 6248166ec09SArd Biesheuvel typedef struct { 6258166ec09SArd Biesheuvel u32 read; 6268166ec09SArd Biesheuvel u32 write; 6278166ec09SArd Biesheuvel } efi_pci_io_protocol_access_32_t; 6288166ec09SArd Biesheuvel 6298166ec09SArd Biesheuvel typedef union efi_pci_io_protocol efi_pci_io_protocol_t; 6308166ec09SArd Biesheuvel 6318166ec09SArd Biesheuvel typedef 6328166ec09SArd Biesheuvel efi_status_t (__efiapi *efi_pci_io_protocol_cfg_t)(efi_pci_io_protocol_t *, 6338166ec09SArd Biesheuvel EFI_PCI_IO_PROTOCOL_WIDTH, 6348166ec09SArd Biesheuvel u32 offset, 6358166ec09SArd Biesheuvel unsigned long count, 6368166ec09SArd Biesheuvel void *buffer); 6378166ec09SArd Biesheuvel 6388166ec09SArd Biesheuvel typedef struct { 6398166ec09SArd Biesheuvel void *read; 6408166ec09SArd Biesheuvel void *write; 6418166ec09SArd Biesheuvel } efi_pci_io_protocol_access_t; 6428166ec09SArd Biesheuvel 6438166ec09SArd Biesheuvel typedef struct { 6448166ec09SArd Biesheuvel efi_pci_io_protocol_cfg_t read; 6458166ec09SArd Biesheuvel efi_pci_io_protocol_cfg_t write; 6468166ec09SArd Biesheuvel } efi_pci_io_protocol_config_access_t; 6478166ec09SArd Biesheuvel 6488166ec09SArd Biesheuvel union efi_pci_io_protocol { 6498166ec09SArd Biesheuvel struct { 6508166ec09SArd Biesheuvel void *poll_mem; 6518166ec09SArd Biesheuvel void *poll_io; 6528166ec09SArd Biesheuvel efi_pci_io_protocol_access_t mem; 6538166ec09SArd Biesheuvel efi_pci_io_protocol_access_t io; 6548166ec09SArd Biesheuvel efi_pci_io_protocol_config_access_t pci; 6558166ec09SArd Biesheuvel void *copy_mem; 6568166ec09SArd Biesheuvel void *map; 6578166ec09SArd Biesheuvel void *unmap; 6588166ec09SArd Biesheuvel void *allocate_buffer; 6598166ec09SArd Biesheuvel void *free_buffer; 6608166ec09SArd Biesheuvel void *flush; 6618166ec09SArd Biesheuvel efi_status_t (__efiapi *get_location)(efi_pci_io_protocol_t *, 6628166ec09SArd Biesheuvel unsigned long *segment_nr, 6638166ec09SArd Biesheuvel unsigned long *bus_nr, 6648166ec09SArd Biesheuvel unsigned long *device_nr, 6658166ec09SArd Biesheuvel unsigned long *func_nr); 6668166ec09SArd Biesheuvel void *attributes; 6678166ec09SArd Biesheuvel void *get_bar_attributes; 6688166ec09SArd Biesheuvel void *set_bar_attributes; 6698166ec09SArd Biesheuvel uint64_t romsize; 6708166ec09SArd Biesheuvel void *romimage; 6718166ec09SArd Biesheuvel }; 6728166ec09SArd Biesheuvel struct { 6738166ec09SArd Biesheuvel u32 poll_mem; 6748166ec09SArd Biesheuvel u32 poll_io; 6758166ec09SArd Biesheuvel efi_pci_io_protocol_access_32_t mem; 6768166ec09SArd Biesheuvel efi_pci_io_protocol_access_32_t io; 6778166ec09SArd Biesheuvel efi_pci_io_protocol_access_32_t pci; 6788166ec09SArd Biesheuvel u32 copy_mem; 6798166ec09SArd Biesheuvel u32 map; 6808166ec09SArd Biesheuvel u32 unmap; 6818166ec09SArd Biesheuvel u32 allocate_buffer; 6828166ec09SArd Biesheuvel u32 free_buffer; 6838166ec09SArd Biesheuvel u32 flush; 6848166ec09SArd Biesheuvel u32 get_location; 6858166ec09SArd Biesheuvel u32 attributes; 6868166ec09SArd Biesheuvel u32 get_bar_attributes; 6878166ec09SArd Biesheuvel u32 set_bar_attributes; 6888166ec09SArd Biesheuvel u64 romsize; 6898166ec09SArd Biesheuvel u32 romimage; 6908166ec09SArd Biesheuvel } mixed_mode; 6918166ec09SArd Biesheuvel }; 6928166ec09SArd Biesheuvel 6938166ec09SArd Biesheuvel #define EFI_PCI_IO_ATTRIBUTE_ISA_MOTHERBOARD_IO 0x0001 6948166ec09SArd Biesheuvel #define EFI_PCI_IO_ATTRIBUTE_ISA_IO 0x0002 6958166ec09SArd Biesheuvel #define EFI_PCI_IO_ATTRIBUTE_VGA_PALETTE_IO 0x0004 6968166ec09SArd Biesheuvel #define EFI_PCI_IO_ATTRIBUTE_VGA_MEMORY 0x0008 6978166ec09SArd Biesheuvel #define EFI_PCI_IO_ATTRIBUTE_VGA_IO 0x0010 6988166ec09SArd Biesheuvel #define EFI_PCI_IO_ATTRIBUTE_IDE_PRIMARY_IO 0x0020 6998166ec09SArd Biesheuvel #define EFI_PCI_IO_ATTRIBUTE_IDE_SECONDARY_IO 0x0040 7008166ec09SArd Biesheuvel #define EFI_PCI_IO_ATTRIBUTE_MEMORY_WRITE_COMBINE 0x0080 7018166ec09SArd Biesheuvel #define EFI_PCI_IO_ATTRIBUTE_IO 0x0100 7028166ec09SArd Biesheuvel #define EFI_PCI_IO_ATTRIBUTE_MEMORY 0x0200 7038166ec09SArd Biesheuvel #define EFI_PCI_IO_ATTRIBUTE_BUS_MASTER 0x0400 7048166ec09SArd Biesheuvel #define EFI_PCI_IO_ATTRIBUTE_MEMORY_CACHED 0x0800 7058166ec09SArd Biesheuvel #define EFI_PCI_IO_ATTRIBUTE_MEMORY_DISABLE 0x1000 7068166ec09SArd Biesheuvel #define EFI_PCI_IO_ATTRIBUTE_EMBEDDED_DEVICE 0x2000 7078166ec09SArd Biesheuvel #define EFI_PCI_IO_ATTRIBUTE_EMBEDDED_ROM 0x4000 7088166ec09SArd Biesheuvel #define EFI_PCI_IO_ATTRIBUTE_DUAL_ADDRESS_CYCLE 0x8000 7098166ec09SArd Biesheuvel #define EFI_PCI_IO_ATTRIBUTE_ISA_IO_16 0x10000 7108166ec09SArd Biesheuvel #define EFI_PCI_IO_ATTRIBUTE_VGA_PALETTE_IO_16 0x20000 7118166ec09SArd Biesheuvel #define EFI_PCI_IO_ATTRIBUTE_VGA_IO_16 0x40000 7128166ec09SArd Biesheuvel 7138166ec09SArd Biesheuvel struct efi_dev_path; 7148166ec09SArd Biesheuvel 7158166ec09SArd Biesheuvel typedef union apple_properties_protocol apple_properties_protocol_t; 7168166ec09SArd Biesheuvel 7178166ec09SArd Biesheuvel union apple_properties_protocol { 7188166ec09SArd Biesheuvel struct { 7198166ec09SArd Biesheuvel unsigned long version; 7208166ec09SArd Biesheuvel efi_status_t (__efiapi *get)(apple_properties_protocol_t *, 7218166ec09SArd Biesheuvel struct efi_dev_path *, 7228166ec09SArd Biesheuvel efi_char16_t *, void *, u32 *); 7238166ec09SArd Biesheuvel efi_status_t (__efiapi *set)(apple_properties_protocol_t *, 7248166ec09SArd Biesheuvel struct efi_dev_path *, 7258166ec09SArd Biesheuvel efi_char16_t *, void *, u32); 7268166ec09SArd Biesheuvel efi_status_t (__efiapi *del)(apple_properties_protocol_t *, 7278166ec09SArd Biesheuvel struct efi_dev_path *, 7288166ec09SArd Biesheuvel efi_char16_t *); 7298166ec09SArd Biesheuvel efi_status_t (__efiapi *get_all)(apple_properties_protocol_t *, 7308166ec09SArd Biesheuvel void *buffer, u32 *); 7318166ec09SArd Biesheuvel }; 7328166ec09SArd Biesheuvel struct { 7338166ec09SArd Biesheuvel u32 version; 7348166ec09SArd Biesheuvel u32 get; 7358166ec09SArd Biesheuvel u32 set; 7368166ec09SArd Biesheuvel u32 del; 7378166ec09SArd Biesheuvel u32 get_all; 7388166ec09SArd Biesheuvel } mixed_mode; 7398166ec09SArd Biesheuvel }; 7408166ec09SArd Biesheuvel 7418166ec09SArd Biesheuvel typedef u32 efi_tcg2_event_log_format; 7428166ec09SArd Biesheuvel 7434da87c51SArd Biesheuvel #define INITRD_EVENT_TAG_ID 0x8F3B22ECU 7444da87c51SArd Biesheuvel #define EV_EVENT_TAG 0x00000006U 7454da87c51SArd Biesheuvel #define EFI_TCG2_EVENT_HEADER_VERSION 0x1 7464da87c51SArd Biesheuvel 7474da87c51SArd Biesheuvel struct efi_tcg2_event { 7484da87c51SArd Biesheuvel u32 event_size; 7494da87c51SArd Biesheuvel struct { 7504da87c51SArd Biesheuvel u32 header_size; 7514da87c51SArd Biesheuvel u16 header_version; 7524da87c51SArd Biesheuvel u32 pcr_index; 7534da87c51SArd Biesheuvel u32 event_type; 7544da87c51SArd Biesheuvel } __packed event_header; 7554da87c51SArd Biesheuvel /* u8[] event follows here */ 7564da87c51SArd Biesheuvel } __packed; 7574da87c51SArd Biesheuvel 7584da87c51SArd Biesheuvel struct efi_tcg2_tagged_event { 7594da87c51SArd Biesheuvel u32 tagged_event_id; 7604da87c51SArd Biesheuvel u32 tagged_event_data_size; 7614da87c51SArd Biesheuvel /* u8 tagged event data follows here */ 7624da87c51SArd Biesheuvel } __packed; 7634da87c51SArd Biesheuvel 7644da87c51SArd Biesheuvel typedef struct efi_tcg2_event efi_tcg2_event_t; 7654da87c51SArd Biesheuvel typedef struct efi_tcg2_tagged_event efi_tcg2_tagged_event_t; 7668166ec09SArd Biesheuvel typedef union efi_tcg2_protocol efi_tcg2_protocol_t; 7678166ec09SArd Biesheuvel 7688166ec09SArd Biesheuvel union efi_tcg2_protocol { 7698166ec09SArd Biesheuvel struct { 7708166ec09SArd Biesheuvel void *get_capability; 771cdec91c0SArd Biesheuvel efi_status_t (__efiapi *get_event_log)(efi_tcg2_protocol_t *, 7728166ec09SArd Biesheuvel efi_tcg2_event_log_format, 7738166ec09SArd Biesheuvel efi_physical_addr_t *, 7748166ec09SArd Biesheuvel efi_physical_addr_t *, 7758166ec09SArd Biesheuvel efi_bool_t *); 7764da87c51SArd Biesheuvel efi_status_t (__efiapi *hash_log_extend_event)(efi_tcg2_protocol_t *, 7774da87c51SArd Biesheuvel u64, 7784da87c51SArd Biesheuvel efi_physical_addr_t, 7794da87c51SArd Biesheuvel u64, 7804da87c51SArd Biesheuvel const efi_tcg2_event_t *); 7818166ec09SArd Biesheuvel void *submit_command; 7828166ec09SArd Biesheuvel void *get_active_pcr_banks; 7838166ec09SArd Biesheuvel void *set_active_pcr_banks; 7848166ec09SArd Biesheuvel void *get_result_of_set_active_pcr_banks; 7858166ec09SArd Biesheuvel }; 7868166ec09SArd Biesheuvel struct { 7878166ec09SArd Biesheuvel u32 get_capability; 7888166ec09SArd Biesheuvel u32 get_event_log; 7898166ec09SArd Biesheuvel u32 hash_log_extend_event; 7908166ec09SArd Biesheuvel u32 submit_command; 7918166ec09SArd Biesheuvel u32 get_active_pcr_banks; 7928166ec09SArd Biesheuvel u32 set_active_pcr_banks; 7938166ec09SArd Biesheuvel u32 get_result_of_set_active_pcr_banks; 7948166ec09SArd Biesheuvel } mixed_mode; 7958166ec09SArd Biesheuvel }; 7968166ec09SArd Biesheuvel 797*3f68e695SSunil V L struct riscv_efi_boot_protocol { 798*3f68e695SSunil V L u64 revision; 799*3f68e695SSunil V L 800*3f68e695SSunil V L efi_status_t (__efiapi *get_boot_hartid)(struct riscv_efi_boot_protocol *, 801*3f68e695SSunil V L unsigned long *boot_hartid); 802*3f68e695SSunil V L }; 803*3f68e695SSunil V L 8042931d526SArd Biesheuvel typedef union efi_load_file_protocol efi_load_file_protocol_t; 8052931d526SArd Biesheuvel typedef union efi_load_file_protocol efi_load_file2_protocol_t; 8062931d526SArd Biesheuvel 8072931d526SArd Biesheuvel union efi_load_file_protocol { 8082931d526SArd Biesheuvel struct { 8092931d526SArd Biesheuvel efi_status_t (__efiapi *load_file)(efi_load_file_protocol_t *, 8102931d526SArd Biesheuvel efi_device_path_protocol_t *, 8112931d526SArd Biesheuvel bool, unsigned long *, void *); 8122931d526SArd Biesheuvel }; 8132931d526SArd Biesheuvel struct { 8142931d526SArd Biesheuvel u32 load_file; 8152931d526SArd Biesheuvel } mixed_mode; 8162931d526SArd Biesheuvel }; 8172931d526SArd Biesheuvel 8184a568ce2SArvind Sankar typedef struct { 8194a568ce2SArvind Sankar u32 attributes; 8204a568ce2SArvind Sankar u16 file_path_list_length; 8214a568ce2SArvind Sankar u8 variable_data[]; 8224a568ce2SArvind Sankar // efi_char16_t description[]; 8234a568ce2SArvind Sankar // efi_device_path_protocol_t file_path_list[]; 8244a568ce2SArvind Sankar // u8 optional_data[]; 8254a568ce2SArvind Sankar } __packed efi_load_option_t; 8264a568ce2SArvind Sankar 8274a568ce2SArvind Sankar #define EFI_LOAD_OPTION_ACTIVE 0x0001U 8284a568ce2SArvind Sankar #define EFI_LOAD_OPTION_FORCE_RECONNECT 0x0002U 8294a568ce2SArvind Sankar #define EFI_LOAD_OPTION_HIDDEN 0x0008U 8304a568ce2SArvind Sankar #define EFI_LOAD_OPTION_CATEGORY 0x1f00U 8314a568ce2SArvind Sankar #define EFI_LOAD_OPTION_CATEGORY_BOOT 0x0000U 8324a568ce2SArvind Sankar #define EFI_LOAD_OPTION_CATEGORY_APP 0x0100U 8334a568ce2SArvind Sankar 8344a568ce2SArvind Sankar #define EFI_LOAD_OPTION_BOOT_MASK \ 8354a568ce2SArvind Sankar (EFI_LOAD_OPTION_ACTIVE|EFI_LOAD_OPTION_HIDDEN|EFI_LOAD_OPTION_CATEGORY) 8364a568ce2SArvind Sankar #define EFI_LOAD_OPTION_MASK (EFI_LOAD_OPTION_FORCE_RECONNECT|EFI_LOAD_OPTION_BOOT_MASK) 8374a568ce2SArvind Sankar 8384a568ce2SArvind Sankar typedef struct { 8394a568ce2SArvind Sankar u32 attributes; 8404a568ce2SArvind Sankar u16 file_path_list_length; 8414a568ce2SArvind Sankar const efi_char16_t *description; 8424a568ce2SArvind Sankar const efi_device_path_protocol_t *file_path_list; 8434a568ce2SArvind Sankar size_t optional_data_size; 8444a568ce2SArvind Sankar const void *optional_data; 8454a568ce2SArvind Sankar } efi_load_option_unpacked_t; 8464a568ce2SArvind Sankar 8478166ec09SArd Biesheuvel void efi_pci_disable_bridge_busmaster(void); 8488166ec09SArd Biesheuvel 8498166ec09SArd Biesheuvel typedef efi_status_t (*efi_exit_boot_map_processing)( 8508166ec09SArd Biesheuvel struct efi_boot_memmap *map, 8518166ec09SArd Biesheuvel void *priv); 8528166ec09SArd Biesheuvel 8538166ec09SArd Biesheuvel efi_status_t efi_exit_boot_services(void *handle, 8548166ec09SArd Biesheuvel struct efi_boot_memmap *map, 8558166ec09SArd Biesheuvel void *priv, 8568166ec09SArd Biesheuvel efi_exit_boot_map_processing priv_func); 8578166ec09SArd Biesheuvel 8588166ec09SArd Biesheuvel efi_status_t allocate_new_fdt_and_exit_boot(void *handle, 8598166ec09SArd Biesheuvel unsigned long *new_fdt_addr, 8608166ec09SArd Biesheuvel u64 initrd_addr, u64 initrd_size, 8618166ec09SArd Biesheuvel char *cmdline_ptr, 8628166ec09SArd Biesheuvel unsigned long fdt_addr, 8638166ec09SArd Biesheuvel unsigned long fdt_size); 8648166ec09SArd Biesheuvel 8658166ec09SArd Biesheuvel void *get_fdt(unsigned long *fdt_size); 8668166ec09SArd Biesheuvel 8678166ec09SArd Biesheuvel void efi_get_virtmap(efi_memory_desc_t *memory_map, unsigned long map_size, 8688166ec09SArd Biesheuvel unsigned long desc_size, efi_memory_desc_t *runtime_map, 8698166ec09SArd Biesheuvel int *count); 8708166ec09SArd Biesheuvel 8718166ec09SArd Biesheuvel efi_status_t efi_get_random_bytes(unsigned long size, u8 *out); 8728166ec09SArd Biesheuvel 8738166ec09SArd Biesheuvel efi_status_t efi_random_alloc(unsigned long size, unsigned long align, 8748166ec09SArd Biesheuvel unsigned long *addr, unsigned long random_seed); 8758166ec09SArd Biesheuvel 8768166ec09SArd Biesheuvel efi_status_t check_platform_features(void); 8778166ec09SArd Biesheuvel 8788166ec09SArd Biesheuvel void *get_efi_config_table(efi_guid_t guid); 8798166ec09SArd Biesheuvel 880cb8c90a0SArvind Sankar /* NOTE: These functions do not print a trailing newline after the string */ 881cb8c90a0SArvind Sankar void efi_char16_puts(efi_char16_t *); 882cb8c90a0SArvind Sankar void efi_puts(const char *str); 8838166ec09SArd Biesheuvel 8842c7d1e30SArvind Sankar __printf(1, 2) int efi_printk(char const *fmt, ...); 8858166ec09SArd Biesheuvel 8868166ec09SArd Biesheuvel void efi_free(unsigned long size, unsigned long addr); 8878166ec09SArd Biesheuvel 8884a568ce2SArvind Sankar void efi_apply_loadoptions_quirk(const void **load_options, int *load_options_size); 8894a568ce2SArvind Sankar 89027cd5511SArd Biesheuvel char *efi_convert_cmdline(efi_loaded_image_t *image, int *cmd_line_len); 8918166ec09SArd Biesheuvel 8928166ec09SArd Biesheuvel efi_status_t efi_get_memory_map(struct efi_boot_memmap *map); 8938166ec09SArd Biesheuvel 8948166ec09SArd Biesheuvel efi_status_t efi_allocate_pages(unsigned long size, unsigned long *addr, 8958166ec09SArd Biesheuvel unsigned long max); 8968166ec09SArd Biesheuvel 89743b1df0eSArd Biesheuvel efi_status_t efi_allocate_pages_aligned(unsigned long size, unsigned long *addr, 89843b1df0eSArd Biesheuvel unsigned long max, unsigned long align); 89943b1df0eSArd Biesheuvel 9001a895dbfSArd Biesheuvel efi_status_t efi_low_alloc_above(unsigned long size, unsigned long align, 9011a895dbfSArd Biesheuvel unsigned long *addr, unsigned long min); 9021a895dbfSArd Biesheuvel 9038166ec09SArd Biesheuvel efi_status_t efi_relocate_kernel(unsigned long *image_addr, 9048166ec09SArd Biesheuvel unsigned long image_size, 9058166ec09SArd Biesheuvel unsigned long alloc_size, 9068166ec09SArd Biesheuvel unsigned long preferred_addr, 9078166ec09SArd Biesheuvel unsigned long alignment, 9088166ec09SArd Biesheuvel unsigned long min_addr); 9098166ec09SArd Biesheuvel 9108166ec09SArd Biesheuvel efi_status_t efi_parse_options(char const *cmdline); 9118166ec09SArd Biesheuvel 912fffb6804SArvind Sankar void efi_parse_option_graphics(char *option); 913fffb6804SArvind Sankar 9148166ec09SArd Biesheuvel efi_status_t efi_setup_gop(struct screen_info *si, efi_guid_t *proto, 9158166ec09SArd Biesheuvel unsigned long size); 9168166ec09SArd Biesheuvel 917cf6b8366SArd Biesheuvel efi_status_t handle_cmdline_files(efi_loaded_image_t *image, 918cf6b8366SArd Biesheuvel const efi_char16_t *optstr, 919cf6b8366SArd Biesheuvel int optstr_size, 920cf6b8366SArd Biesheuvel unsigned long soft_limit, 921cf6b8366SArd Biesheuvel unsigned long hard_limit, 9229302c1bbSArd Biesheuvel unsigned long *load_addr, 9239302c1bbSArd Biesheuvel unsigned long *load_size); 9249302c1bbSArd Biesheuvel 925cf6b8366SArd Biesheuvel 926cf6b8366SArd Biesheuvel static inline efi_status_t efi_load_dtb(efi_loaded_image_t *image, 927cf6b8366SArd Biesheuvel unsigned long *load_addr, 928cf6b8366SArd Biesheuvel unsigned long *load_size) 929cf6b8366SArd Biesheuvel { 930cf6b8366SArd Biesheuvel return handle_cmdline_files(image, L"dtb=", sizeof(L"dtb=") - 2, 931cf6b8366SArd Biesheuvel ULONG_MAX, ULONG_MAX, load_addr, load_size); 932cf6b8366SArd Biesheuvel } 933cf6b8366SArd Biesheuvel 934f61900fdSArvind Sankar efi_status_t efi_load_initrd(efi_loaded_image_t *image, 9359302c1bbSArd Biesheuvel unsigned long *load_addr, 9369302c1bbSArd Biesheuvel unsigned long *load_size, 93731f5e546SArd Biesheuvel unsigned long soft_limit, 938f61900fdSArvind Sankar unsigned long hard_limit); 9393230d95cSAtish Patra /* 9403230d95cSAtish Patra * This function handles the architcture specific differences between arm and 9413230d95cSAtish Patra * arm64 regarding where the kernel image must be loaded and any memory that 9423230d95cSAtish Patra * must be reserved. On failure it is required to free all 9433230d95cSAtish Patra * all allocations it has made. 9443230d95cSAtish Patra */ 9453230d95cSAtish Patra efi_status_t handle_kernel_image(unsigned long *image_addr, 9463230d95cSAtish Patra unsigned long *image_size, 9473230d95cSAtish Patra unsigned long *reserve_addr, 9483230d95cSAtish Patra unsigned long *reserve_size, 949416a9f84SArd Biesheuvel efi_loaded_image_t *image, 950416a9f84SArd Biesheuvel efi_handle_t image_handle); 9513230d95cSAtish Patra 9523230d95cSAtish Patra asmlinkage void __noreturn efi_enter_kernel(unsigned long entrypoint, 9533230d95cSAtish Patra unsigned long fdt_addr, 9543230d95cSAtish Patra unsigned long fdt_size); 955ec93fc37SArd Biesheuvel 9562a55280aSArd Biesheuvel void efi_handle_post_ebs_state(void); 9572a55280aSArd Biesheuvel 958e1ac4b24SChester Lin enum efi_secureboot_mode efi_get_secureboot(void); 959e1ac4b24SChester Lin 9603820749dSArd Biesheuvel #ifdef CONFIG_RESET_ATTACK_MITIGATION 9613820749dSArd Biesheuvel void efi_enable_reset_attack_mitigation(void); 9623820749dSArd Biesheuvel #else 9633820749dSArd Biesheuvel static inline void 9643820749dSArd Biesheuvel efi_enable_reset_attack_mitigation(void) { } 9653820749dSArd Biesheuvel #endif 9663820749dSArd Biesheuvel 9673820749dSArd Biesheuvel void efi_retrieve_tpm2_eventlog(void); 9683820749dSArd Biesheuvel 969f4f75ad5SArd Biesheuvel #endif 970