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 163abd26868SArd Biesheuvel typedef struct efi_generic_dev_path efi_device_path_protocol_t; 164abd26868SArd Biesheuvel 1659b47c527SArvind Sankar typedef void *efi_event_t; 1669b47c527SArvind Sankar /* Note that notifications won't work in mixed mode */ 1679b47c527SArvind Sankar typedef void (__efiapi *efi_event_notify_t)(efi_event_t, void *); 1689b47c527SArvind Sankar 1699b47c527SArvind Sankar #define EFI_EVT_TIMER 0x80000000U 1709b47c527SArvind Sankar #define EFI_EVT_RUNTIME 0x40000000U 1719b47c527SArvind Sankar #define EFI_EVT_NOTIFY_WAIT 0x00000100U 1729b47c527SArvind Sankar #define EFI_EVT_NOTIFY_SIGNAL 0x00000200U 1739b47c527SArvind Sankar 1748c0a839cSHeinrich Schuchardt /** 1758c0a839cSHeinrich Schuchardt * efi_set_event_at() - add event to events array 1768c0a839cSHeinrich Schuchardt * 1778c0a839cSHeinrich Schuchardt * @events: array of UEFI events 1788c0a839cSHeinrich Schuchardt * @ids: index where to put the event in the array 1798c0a839cSHeinrich Schuchardt * @event: event to add to the aray 1808c0a839cSHeinrich Schuchardt * 1818c0a839cSHeinrich Schuchardt * boottime->wait_for_event() takes an array of events as input. 1829b47c527SArvind Sankar * Provide a helper to set it up correctly for mixed mode. 1839b47c527SArvind Sankar */ 1849b47c527SArvind Sankar static inline 1859b47c527SArvind Sankar void efi_set_event_at(efi_event_t *events, size_t idx, efi_event_t event) 1869b47c527SArvind Sankar { 1879b47c527SArvind Sankar if (efi_is_native()) 1889b47c527SArvind Sankar events[idx] = event; 1899b47c527SArvind Sankar else 1909b47c527SArvind Sankar ((u32 *)events)[idx] = (u32)(unsigned long)event; 1919b47c527SArvind Sankar } 1929b47c527SArvind Sankar 1939b47c527SArvind Sankar #define EFI_TPL_APPLICATION 4 1949b47c527SArvind Sankar #define EFI_TPL_CALLBACK 8 1959b47c527SArvind Sankar #define EFI_TPL_NOTIFY 16 1969b47c527SArvind Sankar #define EFI_TPL_HIGH_LEVEL 31 1979b47c527SArvind Sankar 1989b47c527SArvind Sankar typedef enum { 1999b47c527SArvind Sankar EfiTimerCancel, 2009b47c527SArvind Sankar EfiTimerPeriodic, 2019b47c527SArvind Sankar EfiTimerRelative 2029b47c527SArvind Sankar } EFI_TIMER_DELAY; 2039b47c527SArvind Sankar 2048166ec09SArd Biesheuvel /* 2058166ec09SArd Biesheuvel * EFI Boot Services table 2068166ec09SArd Biesheuvel */ 2078166ec09SArd Biesheuvel union efi_boot_services { 2088166ec09SArd Biesheuvel struct { 2098166ec09SArd Biesheuvel efi_table_hdr_t hdr; 2108166ec09SArd Biesheuvel void *raise_tpl; 2118166ec09SArd Biesheuvel void *restore_tpl; 2128166ec09SArd Biesheuvel efi_status_t (__efiapi *allocate_pages)(int, int, unsigned long, 2138166ec09SArd Biesheuvel efi_physical_addr_t *); 2148166ec09SArd Biesheuvel efi_status_t (__efiapi *free_pages)(efi_physical_addr_t, 2158166ec09SArd Biesheuvel unsigned long); 2168166ec09SArd Biesheuvel efi_status_t (__efiapi *get_memory_map)(unsigned long *, void *, 2178166ec09SArd Biesheuvel unsigned long *, 2188166ec09SArd Biesheuvel unsigned long *, u32 *); 2198166ec09SArd Biesheuvel efi_status_t (__efiapi *allocate_pool)(int, unsigned long, 2208166ec09SArd Biesheuvel void **); 2218166ec09SArd Biesheuvel efi_status_t (__efiapi *free_pool)(void *); 2229b47c527SArvind Sankar efi_status_t (__efiapi *create_event)(u32, unsigned long, 2239b47c527SArvind Sankar efi_event_notify_t, void *, 2249b47c527SArvind Sankar efi_event_t *); 2259b47c527SArvind Sankar efi_status_t (__efiapi *set_timer)(efi_event_t, 2269b47c527SArvind Sankar EFI_TIMER_DELAY, u64); 2279b47c527SArvind Sankar efi_status_t (__efiapi *wait_for_event)(unsigned long, 2289b47c527SArvind Sankar efi_event_t *, 2299b47c527SArvind Sankar unsigned long *); 2308166ec09SArd Biesheuvel void *signal_event; 2319b47c527SArvind Sankar efi_status_t (__efiapi *close_event)(efi_event_t); 2328166ec09SArd Biesheuvel void *check_event; 2338166ec09SArd Biesheuvel void *install_protocol_interface; 2348166ec09SArd Biesheuvel void *reinstall_protocol_interface; 2358166ec09SArd Biesheuvel void *uninstall_protocol_interface; 2368166ec09SArd Biesheuvel efi_status_t (__efiapi *handle_protocol)(efi_handle_t, 2378166ec09SArd Biesheuvel efi_guid_t *, void **); 2388166ec09SArd Biesheuvel void *__reserved; 2398166ec09SArd Biesheuvel void *register_protocol_notify; 2408166ec09SArd Biesheuvel efi_status_t (__efiapi *locate_handle)(int, efi_guid_t *, 2418166ec09SArd Biesheuvel void *, unsigned long *, 2428166ec09SArd Biesheuvel efi_handle_t *); 243abd26868SArd Biesheuvel efi_status_t (__efiapi *locate_device_path)(efi_guid_t *, 244abd26868SArd Biesheuvel efi_device_path_protocol_t **, 245abd26868SArd Biesheuvel efi_handle_t *); 2468166ec09SArd Biesheuvel efi_status_t (__efiapi *install_configuration_table)(efi_guid_t *, 2478166ec09SArd Biesheuvel void *); 2488166ec09SArd Biesheuvel void *load_image; 2498166ec09SArd Biesheuvel void *start_image; 2503b8f44fcSArd Biesheuvel efi_status_t __noreturn (__efiapi *exit)(efi_handle_t, 2513b8f44fcSArd Biesheuvel efi_status_t, 2523b8f44fcSArd Biesheuvel unsigned long, 2533b8f44fcSArd Biesheuvel efi_char16_t *); 2548166ec09SArd Biesheuvel void *unload_image; 2558166ec09SArd Biesheuvel efi_status_t (__efiapi *exit_boot_services)(efi_handle_t, 2568166ec09SArd Biesheuvel unsigned long); 2578166ec09SArd Biesheuvel void *get_next_monotonic_count; 2589b47c527SArvind Sankar efi_status_t (__efiapi *stall)(unsigned long); 2598166ec09SArd Biesheuvel void *set_watchdog_timer; 2608166ec09SArd Biesheuvel void *connect_controller; 2618166ec09SArd Biesheuvel efi_status_t (__efiapi *disconnect_controller)(efi_handle_t, 2628166ec09SArd Biesheuvel efi_handle_t, 2638166ec09SArd Biesheuvel efi_handle_t); 2648166ec09SArd Biesheuvel void *open_protocol; 2658166ec09SArd Biesheuvel void *close_protocol; 2668166ec09SArd Biesheuvel void *open_protocol_information; 2678166ec09SArd Biesheuvel void *protocols_per_handle; 2688166ec09SArd Biesheuvel void *locate_handle_buffer; 2698166ec09SArd Biesheuvel efi_status_t (__efiapi *locate_protocol)(efi_guid_t *, void *, 2708166ec09SArd Biesheuvel void **); 2718166ec09SArd Biesheuvel void *install_multiple_protocol_interfaces; 2728166ec09SArd Biesheuvel void *uninstall_multiple_protocol_interfaces; 2738166ec09SArd Biesheuvel void *calculate_crc32; 2748166ec09SArd Biesheuvel void *copy_mem; 2758166ec09SArd Biesheuvel void *set_mem; 2768166ec09SArd Biesheuvel void *create_event_ex; 2778166ec09SArd Biesheuvel }; 2788166ec09SArd Biesheuvel struct { 2798166ec09SArd Biesheuvel efi_table_hdr_t hdr; 2808166ec09SArd Biesheuvel u32 raise_tpl; 2818166ec09SArd Biesheuvel u32 restore_tpl; 2828166ec09SArd Biesheuvel u32 allocate_pages; 2838166ec09SArd Biesheuvel u32 free_pages; 2848166ec09SArd Biesheuvel u32 get_memory_map; 2858166ec09SArd Biesheuvel u32 allocate_pool; 2868166ec09SArd Biesheuvel u32 free_pool; 2878166ec09SArd Biesheuvel u32 create_event; 2888166ec09SArd Biesheuvel u32 set_timer; 2898166ec09SArd Biesheuvel u32 wait_for_event; 2908166ec09SArd Biesheuvel u32 signal_event; 2918166ec09SArd Biesheuvel u32 close_event; 2928166ec09SArd Biesheuvel u32 check_event; 2938166ec09SArd Biesheuvel u32 install_protocol_interface; 2948166ec09SArd Biesheuvel u32 reinstall_protocol_interface; 2958166ec09SArd Biesheuvel u32 uninstall_protocol_interface; 2968166ec09SArd Biesheuvel u32 handle_protocol; 2978166ec09SArd Biesheuvel u32 __reserved; 2988166ec09SArd Biesheuvel u32 register_protocol_notify; 2998166ec09SArd Biesheuvel u32 locate_handle; 3008166ec09SArd Biesheuvel u32 locate_device_path; 3018166ec09SArd Biesheuvel u32 install_configuration_table; 3028166ec09SArd Biesheuvel u32 load_image; 3038166ec09SArd Biesheuvel u32 start_image; 3048166ec09SArd Biesheuvel u32 exit; 3058166ec09SArd Biesheuvel u32 unload_image; 3068166ec09SArd Biesheuvel u32 exit_boot_services; 3078166ec09SArd Biesheuvel u32 get_next_monotonic_count; 3088166ec09SArd Biesheuvel u32 stall; 3098166ec09SArd Biesheuvel u32 set_watchdog_timer; 3108166ec09SArd Biesheuvel u32 connect_controller; 3118166ec09SArd Biesheuvel u32 disconnect_controller; 3128166ec09SArd Biesheuvel u32 open_protocol; 3138166ec09SArd Biesheuvel u32 close_protocol; 3148166ec09SArd Biesheuvel u32 open_protocol_information; 3158166ec09SArd Biesheuvel u32 protocols_per_handle; 3168166ec09SArd Biesheuvel u32 locate_handle_buffer; 3178166ec09SArd Biesheuvel u32 locate_protocol; 3188166ec09SArd Biesheuvel u32 install_multiple_protocol_interfaces; 3198166ec09SArd Biesheuvel u32 uninstall_multiple_protocol_interfaces; 3208166ec09SArd Biesheuvel u32 calculate_crc32; 3218166ec09SArd Biesheuvel u32 copy_mem; 3228166ec09SArd Biesheuvel u32 set_mem; 3238166ec09SArd Biesheuvel u32 create_event_ex; 3248166ec09SArd Biesheuvel } mixed_mode; 3258166ec09SArd Biesheuvel }; 3268166ec09SArd Biesheuvel 3273ba75c13SBaskov Evgeniy typedef enum { 3283ba75c13SBaskov Evgeniy EfiGcdMemoryTypeNonExistent, 3293ba75c13SBaskov Evgeniy EfiGcdMemoryTypeReserved, 3303ba75c13SBaskov Evgeniy EfiGcdMemoryTypeSystemMemory, 3313ba75c13SBaskov Evgeniy EfiGcdMemoryTypeMemoryMappedIo, 3323ba75c13SBaskov Evgeniy EfiGcdMemoryTypePersistent, 3333ba75c13SBaskov Evgeniy EfiGcdMemoryTypeMoreReliable, 3343ba75c13SBaskov Evgeniy EfiGcdMemoryTypeMaximum 3353ba75c13SBaskov Evgeniy } efi_gcd_memory_type_t; 3363ba75c13SBaskov Evgeniy 3373ba75c13SBaskov Evgeniy typedef struct { 3383ba75c13SBaskov Evgeniy efi_physical_addr_t base_address; 3393ba75c13SBaskov Evgeniy u64 length; 3403ba75c13SBaskov Evgeniy u64 capabilities; 3413ba75c13SBaskov Evgeniy u64 attributes; 3423ba75c13SBaskov Evgeniy efi_gcd_memory_type_t gcd_memory_type; 3433ba75c13SBaskov Evgeniy void *image_handle; 3443ba75c13SBaskov Evgeniy void *device_handle; 3453ba75c13SBaskov Evgeniy } efi_gcd_memory_space_desc_t; 3463ba75c13SBaskov Evgeniy 3473ba75c13SBaskov Evgeniy /* 3483ba75c13SBaskov Evgeniy * EFI DXE Services table 3493ba75c13SBaskov Evgeniy */ 3503ba75c13SBaskov Evgeniy union efi_dxe_services_table { 3513ba75c13SBaskov Evgeniy struct { 3523ba75c13SBaskov Evgeniy efi_table_hdr_t hdr; 3533ba75c13SBaskov Evgeniy void *add_memory_space; 3543ba75c13SBaskov Evgeniy void *allocate_memory_space; 3553ba75c13SBaskov Evgeniy void *free_memory_space; 3563ba75c13SBaskov Evgeniy void *remove_memory_space; 3573ba75c13SBaskov Evgeniy efi_status_t (__efiapi *get_memory_space_descriptor)(efi_physical_addr_t, 3583ba75c13SBaskov Evgeniy efi_gcd_memory_space_desc_t *); 3593ba75c13SBaskov Evgeniy efi_status_t (__efiapi *set_memory_space_attributes)(efi_physical_addr_t, 3603ba75c13SBaskov Evgeniy u64, u64); 3613ba75c13SBaskov Evgeniy void *get_memory_space_map; 3623ba75c13SBaskov Evgeniy void *add_io_space; 3633ba75c13SBaskov Evgeniy void *allocate_io_space; 3643ba75c13SBaskov Evgeniy void *free_io_space; 3653ba75c13SBaskov Evgeniy void *remove_io_space; 3663ba75c13SBaskov Evgeniy void *get_io_space_descriptor; 3673ba75c13SBaskov Evgeniy void *get_io_space_map; 3683ba75c13SBaskov Evgeniy void *dispatch; 3693ba75c13SBaskov Evgeniy void *schedule; 3703ba75c13SBaskov Evgeniy void *trust; 3713ba75c13SBaskov Evgeniy void *process_firmware_volume; 3723ba75c13SBaskov Evgeniy void *set_memory_space_capabilities; 3733ba75c13SBaskov Evgeniy }; 3743ba75c13SBaskov Evgeniy struct { 3753ba75c13SBaskov Evgeniy efi_table_hdr_t hdr; 3763ba75c13SBaskov Evgeniy u32 add_memory_space; 3773ba75c13SBaskov Evgeniy u32 allocate_memory_space; 3783ba75c13SBaskov Evgeniy u32 free_memory_space; 3793ba75c13SBaskov Evgeniy u32 remove_memory_space; 3803ba75c13SBaskov Evgeniy u32 get_memory_space_descriptor; 3813ba75c13SBaskov Evgeniy u32 set_memory_space_attributes; 3823ba75c13SBaskov Evgeniy u32 get_memory_space_map; 3833ba75c13SBaskov Evgeniy u32 add_io_space; 3843ba75c13SBaskov Evgeniy u32 allocate_io_space; 3853ba75c13SBaskov Evgeniy u32 free_io_space; 3863ba75c13SBaskov Evgeniy u32 remove_io_space; 3873ba75c13SBaskov Evgeniy u32 get_io_space_descriptor; 3883ba75c13SBaskov Evgeniy u32 get_io_space_map; 3893ba75c13SBaskov Evgeniy u32 dispatch; 3903ba75c13SBaskov Evgeniy u32 schedule; 3913ba75c13SBaskov Evgeniy u32 trust; 3923ba75c13SBaskov Evgeniy u32 process_firmware_volume; 3933ba75c13SBaskov Evgeniy u32 set_memory_space_capabilities; 3943ba75c13SBaskov Evgeniy } mixed_mode; 3953ba75c13SBaskov Evgeniy }; 3963ba75c13SBaskov Evgeniy 397c2d0b470SArd Biesheuvel typedef union efi_uga_draw_protocol efi_uga_draw_protocol_t; 398c2d0b470SArd Biesheuvel 399c2d0b470SArd Biesheuvel union efi_uga_draw_protocol { 400c2d0b470SArd Biesheuvel struct { 401c2d0b470SArd Biesheuvel efi_status_t (__efiapi *get_mode)(efi_uga_draw_protocol_t *, 402c2d0b470SArd Biesheuvel u32*, u32*, u32*, u32*); 403c2d0b470SArd Biesheuvel void *set_mode; 404c2d0b470SArd Biesheuvel void *blt; 405c2d0b470SArd Biesheuvel }; 406c2d0b470SArd Biesheuvel struct { 407c2d0b470SArd Biesheuvel u32 get_mode; 408c2d0b470SArd Biesheuvel u32 set_mode; 409c2d0b470SArd Biesheuvel u32 blt; 410c2d0b470SArd Biesheuvel } mixed_mode; 411c2d0b470SArd Biesheuvel }; 412c2d0b470SArd Biesheuvel 4139b47c527SArvind Sankar typedef struct { 4149b47c527SArvind Sankar u16 scan_code; 4159b47c527SArvind Sankar efi_char16_t unicode_char; 4169b47c527SArvind Sankar } efi_input_key_t; 4179b47c527SArvind Sankar 4189b47c527SArvind Sankar union efi_simple_text_input_protocol { 4199b47c527SArvind Sankar struct { 4209b47c527SArvind Sankar void *reset; 4219b47c527SArvind Sankar efi_status_t (__efiapi *read_keystroke)(efi_simple_text_input_protocol_t *, 4229b47c527SArvind Sankar efi_input_key_t *); 4239b47c527SArvind Sankar efi_event_t wait_for_key; 4249b47c527SArvind Sankar }; 4259b47c527SArvind Sankar struct { 4269b47c527SArvind Sankar u32 reset; 4279b47c527SArvind Sankar u32 read_keystroke; 4289b47c527SArvind Sankar u32 wait_for_key; 4299b47c527SArvind Sankar } mixed_mode; 4309b47c527SArvind Sankar }; 4319b47c527SArvind Sankar 43214c574f3SArvind Sankar efi_status_t efi_wait_for_key(unsigned long usec, efi_input_key_t *key); 43314c574f3SArvind Sankar 4348166ec09SArd Biesheuvel union efi_simple_text_output_protocol { 4358166ec09SArd Biesheuvel struct { 4368166ec09SArd Biesheuvel void *reset; 4378166ec09SArd Biesheuvel efi_status_t (__efiapi *output_string)(efi_simple_text_output_protocol_t *, 4388166ec09SArd Biesheuvel efi_char16_t *); 4398166ec09SArd Biesheuvel void *test_string; 4408166ec09SArd Biesheuvel }; 4418166ec09SArd Biesheuvel struct { 4428166ec09SArd Biesheuvel u32 reset; 4438166ec09SArd Biesheuvel u32 output_string; 4448166ec09SArd Biesheuvel u32 test_string; 4458166ec09SArd Biesheuvel } mixed_mode; 4468166ec09SArd Biesheuvel }; 4478166ec09SArd Biesheuvel 4488166ec09SArd Biesheuvel #define PIXEL_RGB_RESERVED_8BIT_PER_COLOR 0 4498166ec09SArd Biesheuvel #define PIXEL_BGR_RESERVED_8BIT_PER_COLOR 1 4508166ec09SArd Biesheuvel #define PIXEL_BIT_MASK 2 4518166ec09SArd Biesheuvel #define PIXEL_BLT_ONLY 3 4528166ec09SArd Biesheuvel #define PIXEL_FORMAT_MAX 4 4538166ec09SArd Biesheuvel 4548166ec09SArd Biesheuvel typedef struct { 4558166ec09SArd Biesheuvel u32 red_mask; 4568166ec09SArd Biesheuvel u32 green_mask; 4578166ec09SArd Biesheuvel u32 blue_mask; 4588166ec09SArd Biesheuvel u32 reserved_mask; 4598166ec09SArd Biesheuvel } efi_pixel_bitmask_t; 4608166ec09SArd Biesheuvel 4618166ec09SArd Biesheuvel typedef struct { 4628166ec09SArd Biesheuvel u32 version; 4638166ec09SArd Biesheuvel u32 horizontal_resolution; 4648166ec09SArd Biesheuvel u32 vertical_resolution; 4658166ec09SArd Biesheuvel int pixel_format; 4668166ec09SArd Biesheuvel efi_pixel_bitmask_t pixel_information; 4678166ec09SArd Biesheuvel u32 pixels_per_scan_line; 4688166ec09SArd Biesheuvel } efi_graphics_output_mode_info_t; 4698166ec09SArd Biesheuvel 4708166ec09SArd Biesheuvel typedef union efi_graphics_output_protocol_mode efi_graphics_output_protocol_mode_t; 4718166ec09SArd Biesheuvel 4728166ec09SArd Biesheuvel union efi_graphics_output_protocol_mode { 4738166ec09SArd Biesheuvel struct { 4748166ec09SArd Biesheuvel u32 max_mode; 4758166ec09SArd Biesheuvel u32 mode; 4768166ec09SArd Biesheuvel efi_graphics_output_mode_info_t *info; 4778166ec09SArd Biesheuvel unsigned long size_of_info; 4788166ec09SArd Biesheuvel efi_physical_addr_t frame_buffer_base; 4798166ec09SArd Biesheuvel unsigned long frame_buffer_size; 4808166ec09SArd Biesheuvel }; 4818166ec09SArd Biesheuvel struct { 4828166ec09SArd Biesheuvel u32 max_mode; 4838166ec09SArd Biesheuvel u32 mode; 4848166ec09SArd Biesheuvel u32 info; 4858166ec09SArd Biesheuvel u32 size_of_info; 4868166ec09SArd Biesheuvel u64 frame_buffer_base; 4878166ec09SArd Biesheuvel u32 frame_buffer_size; 4888166ec09SArd Biesheuvel } mixed_mode; 4898166ec09SArd Biesheuvel }; 4908166ec09SArd Biesheuvel 4918166ec09SArd Biesheuvel typedef union efi_graphics_output_protocol efi_graphics_output_protocol_t; 4928166ec09SArd Biesheuvel 4938166ec09SArd Biesheuvel union efi_graphics_output_protocol { 4948166ec09SArd Biesheuvel struct { 495b4b89a02SArvind Sankar efi_status_t (__efiapi *query_mode)(efi_graphics_output_protocol_t *, 496b4b89a02SArvind Sankar u32, unsigned long *, 497b4b89a02SArvind Sankar efi_graphics_output_mode_info_t **); 498b4b89a02SArvind Sankar efi_status_t (__efiapi *set_mode) (efi_graphics_output_protocol_t *, u32); 4998166ec09SArd Biesheuvel void *blt; 5008166ec09SArd Biesheuvel efi_graphics_output_protocol_mode_t *mode; 5018166ec09SArd Biesheuvel }; 5028166ec09SArd Biesheuvel struct { 5038166ec09SArd Biesheuvel u32 query_mode; 5048166ec09SArd Biesheuvel u32 set_mode; 5058166ec09SArd Biesheuvel u32 blt; 5068166ec09SArd Biesheuvel u32 mode; 5078166ec09SArd Biesheuvel } mixed_mode; 5088166ec09SArd Biesheuvel }; 5098166ec09SArd Biesheuvel 510f7b85b33SArd Biesheuvel typedef union { 511f7b85b33SArd Biesheuvel struct { 512a46a290aSArd Biesheuvel u32 revision; 513a46a290aSArd Biesheuvel efi_handle_t parent_handle; 514a46a290aSArd Biesheuvel efi_system_table_t *system_table; 515a46a290aSArd Biesheuvel efi_handle_t device_handle; 516a46a290aSArd Biesheuvel void *file_path; 517a46a290aSArd Biesheuvel void *reserved; 518a46a290aSArd Biesheuvel u32 load_options_size; 519a46a290aSArd Biesheuvel void *load_options; 520a46a290aSArd Biesheuvel void *image_base; 521a46a290aSArd Biesheuvel __aligned_u64 image_size; 522a46a290aSArd Biesheuvel unsigned int image_code_type; 523a46a290aSArd Biesheuvel unsigned int image_data_type; 524a46a290aSArd Biesheuvel efi_status_t (__efiapi *unload)(efi_handle_t image_handle); 525f7b85b33SArd Biesheuvel }; 526f7b85b33SArd Biesheuvel struct { 527f7b85b33SArd Biesheuvel u32 revision; 528f7b85b33SArd Biesheuvel u32 parent_handle; 529f7b85b33SArd Biesheuvel u32 system_table; 530f7b85b33SArd Biesheuvel u32 device_handle; 531f7b85b33SArd Biesheuvel u32 file_path; 532f7b85b33SArd Biesheuvel u32 reserved; 533f7b85b33SArd Biesheuvel u32 load_options_size; 534f7b85b33SArd Biesheuvel u32 load_options; 535f7b85b33SArd Biesheuvel u32 image_base; 536f7b85b33SArd Biesheuvel __aligned_u64 image_size; 537f7b85b33SArd Biesheuvel u32 image_code_type; 538f7b85b33SArd Biesheuvel u32 image_data_type; 539f7b85b33SArd Biesheuvel u32 unload; 540f7b85b33SArd Biesheuvel } mixed_mode; 541a46a290aSArd Biesheuvel } efi_loaded_image_t; 542a46a290aSArd Biesheuvel 543a46a290aSArd Biesheuvel typedef struct { 544a46a290aSArd Biesheuvel u64 size; 545a46a290aSArd Biesheuvel u64 file_size; 546a46a290aSArd Biesheuvel u64 phys_size; 547a46a290aSArd Biesheuvel efi_time_t create_time; 548a46a290aSArd Biesheuvel efi_time_t last_access_time; 549a46a290aSArd Biesheuvel efi_time_t modification_time; 550a46a290aSArd Biesheuvel __aligned_u64 attribute; 5519302c1bbSArd Biesheuvel efi_char16_t filename[]; 552a46a290aSArd Biesheuvel } efi_file_info_t; 553a46a290aSArd Biesheuvel 554a46a290aSArd Biesheuvel typedef struct efi_file_protocol efi_file_protocol_t; 555a46a290aSArd Biesheuvel 556a46a290aSArd Biesheuvel struct efi_file_protocol { 557a46a290aSArd Biesheuvel u64 revision; 558a46a290aSArd Biesheuvel efi_status_t (__efiapi *open) (efi_file_protocol_t *, 559a46a290aSArd Biesheuvel efi_file_protocol_t **, 560a46a290aSArd Biesheuvel efi_char16_t *, u64, u64); 561a46a290aSArd Biesheuvel efi_status_t (__efiapi *close) (efi_file_protocol_t *); 562a46a290aSArd Biesheuvel efi_status_t (__efiapi *delete) (efi_file_protocol_t *); 563a46a290aSArd Biesheuvel efi_status_t (__efiapi *read) (efi_file_protocol_t *, 564a46a290aSArd Biesheuvel unsigned long *, void *); 565a46a290aSArd Biesheuvel efi_status_t (__efiapi *write) (efi_file_protocol_t *, 566a46a290aSArd Biesheuvel unsigned long, void *); 567a46a290aSArd Biesheuvel efi_status_t (__efiapi *get_position)(efi_file_protocol_t *, u64 *); 568a46a290aSArd Biesheuvel efi_status_t (__efiapi *set_position)(efi_file_protocol_t *, u64); 569a46a290aSArd Biesheuvel efi_status_t (__efiapi *get_info) (efi_file_protocol_t *, 570a46a290aSArd Biesheuvel efi_guid_t *, unsigned long *, 571a46a290aSArd Biesheuvel void *); 572a46a290aSArd Biesheuvel efi_status_t (__efiapi *set_info) (efi_file_protocol_t *, 573a46a290aSArd Biesheuvel efi_guid_t *, unsigned long, 574a46a290aSArd Biesheuvel void *); 575a46a290aSArd Biesheuvel efi_status_t (__efiapi *flush) (efi_file_protocol_t *); 576a46a290aSArd Biesheuvel }; 577a46a290aSArd Biesheuvel 578a46a290aSArd Biesheuvel typedef struct efi_simple_file_system_protocol efi_simple_file_system_protocol_t; 579a46a290aSArd Biesheuvel 580a46a290aSArd Biesheuvel struct efi_simple_file_system_protocol { 581a46a290aSArd Biesheuvel u64 revision; 582a46a290aSArd Biesheuvel int (__efiapi *open_volume)(efi_simple_file_system_protocol_t *, 583a46a290aSArd Biesheuvel efi_file_protocol_t **); 584a46a290aSArd Biesheuvel }; 585a46a290aSArd Biesheuvel 586a46a290aSArd Biesheuvel #define EFI_FILE_MODE_READ 0x0000000000000001 587a46a290aSArd Biesheuvel #define EFI_FILE_MODE_WRITE 0x0000000000000002 588a46a290aSArd Biesheuvel #define EFI_FILE_MODE_CREATE 0x8000000000000000 589a46a290aSArd Biesheuvel 5908166ec09SArd Biesheuvel typedef enum { 5918166ec09SArd Biesheuvel EfiPciIoWidthUint8, 5928166ec09SArd Biesheuvel EfiPciIoWidthUint16, 5938166ec09SArd Biesheuvel EfiPciIoWidthUint32, 5948166ec09SArd Biesheuvel EfiPciIoWidthUint64, 5958166ec09SArd Biesheuvel EfiPciIoWidthFifoUint8, 5968166ec09SArd Biesheuvel EfiPciIoWidthFifoUint16, 5978166ec09SArd Biesheuvel EfiPciIoWidthFifoUint32, 5988166ec09SArd Biesheuvel EfiPciIoWidthFifoUint64, 5998166ec09SArd Biesheuvel EfiPciIoWidthFillUint8, 6008166ec09SArd Biesheuvel EfiPciIoWidthFillUint16, 6018166ec09SArd Biesheuvel EfiPciIoWidthFillUint32, 6028166ec09SArd Biesheuvel EfiPciIoWidthFillUint64, 6038166ec09SArd Biesheuvel EfiPciIoWidthMaximum 6048166ec09SArd Biesheuvel } EFI_PCI_IO_PROTOCOL_WIDTH; 6058166ec09SArd Biesheuvel 6068166ec09SArd Biesheuvel typedef enum { 6078166ec09SArd Biesheuvel EfiPciIoAttributeOperationGet, 6088166ec09SArd Biesheuvel EfiPciIoAttributeOperationSet, 6098166ec09SArd Biesheuvel EfiPciIoAttributeOperationEnable, 6108166ec09SArd Biesheuvel EfiPciIoAttributeOperationDisable, 6118166ec09SArd Biesheuvel EfiPciIoAttributeOperationSupported, 6128166ec09SArd Biesheuvel EfiPciIoAttributeOperationMaximum 6138166ec09SArd Biesheuvel } EFI_PCI_IO_PROTOCOL_ATTRIBUTE_OPERATION; 6148166ec09SArd Biesheuvel 6158166ec09SArd Biesheuvel typedef struct { 6168166ec09SArd Biesheuvel u32 read; 6178166ec09SArd Biesheuvel u32 write; 6188166ec09SArd Biesheuvel } efi_pci_io_protocol_access_32_t; 6198166ec09SArd Biesheuvel 6208166ec09SArd Biesheuvel typedef union efi_pci_io_protocol efi_pci_io_protocol_t; 6218166ec09SArd Biesheuvel 6228166ec09SArd Biesheuvel typedef 6238166ec09SArd Biesheuvel efi_status_t (__efiapi *efi_pci_io_protocol_cfg_t)(efi_pci_io_protocol_t *, 6248166ec09SArd Biesheuvel EFI_PCI_IO_PROTOCOL_WIDTH, 6258166ec09SArd Biesheuvel u32 offset, 6268166ec09SArd Biesheuvel unsigned long count, 6278166ec09SArd Biesheuvel void *buffer); 6288166ec09SArd Biesheuvel 6298166ec09SArd Biesheuvel typedef struct { 6308166ec09SArd Biesheuvel void *read; 6318166ec09SArd Biesheuvel void *write; 6328166ec09SArd Biesheuvel } efi_pci_io_protocol_access_t; 6338166ec09SArd Biesheuvel 6348166ec09SArd Biesheuvel typedef struct { 6358166ec09SArd Biesheuvel efi_pci_io_protocol_cfg_t read; 6368166ec09SArd Biesheuvel efi_pci_io_protocol_cfg_t write; 6378166ec09SArd Biesheuvel } efi_pci_io_protocol_config_access_t; 6388166ec09SArd Biesheuvel 6398166ec09SArd Biesheuvel union efi_pci_io_protocol { 6408166ec09SArd Biesheuvel struct { 6418166ec09SArd Biesheuvel void *poll_mem; 6428166ec09SArd Biesheuvel void *poll_io; 6438166ec09SArd Biesheuvel efi_pci_io_protocol_access_t mem; 6448166ec09SArd Biesheuvel efi_pci_io_protocol_access_t io; 6458166ec09SArd Biesheuvel efi_pci_io_protocol_config_access_t pci; 6468166ec09SArd Biesheuvel void *copy_mem; 6478166ec09SArd Biesheuvel void *map; 6488166ec09SArd Biesheuvel void *unmap; 6498166ec09SArd Biesheuvel void *allocate_buffer; 6508166ec09SArd Biesheuvel void *free_buffer; 6518166ec09SArd Biesheuvel void *flush; 6528166ec09SArd Biesheuvel efi_status_t (__efiapi *get_location)(efi_pci_io_protocol_t *, 6538166ec09SArd Biesheuvel unsigned long *segment_nr, 6548166ec09SArd Biesheuvel unsigned long *bus_nr, 6558166ec09SArd Biesheuvel unsigned long *device_nr, 6568166ec09SArd Biesheuvel unsigned long *func_nr); 6578166ec09SArd Biesheuvel void *attributes; 6588166ec09SArd Biesheuvel void *get_bar_attributes; 6598166ec09SArd Biesheuvel void *set_bar_attributes; 6608166ec09SArd Biesheuvel uint64_t romsize; 6618166ec09SArd Biesheuvel void *romimage; 6628166ec09SArd Biesheuvel }; 6638166ec09SArd Biesheuvel struct { 6648166ec09SArd Biesheuvel u32 poll_mem; 6658166ec09SArd Biesheuvel u32 poll_io; 6668166ec09SArd Biesheuvel efi_pci_io_protocol_access_32_t mem; 6678166ec09SArd Biesheuvel efi_pci_io_protocol_access_32_t io; 6688166ec09SArd Biesheuvel efi_pci_io_protocol_access_32_t pci; 6698166ec09SArd Biesheuvel u32 copy_mem; 6708166ec09SArd Biesheuvel u32 map; 6718166ec09SArd Biesheuvel u32 unmap; 6728166ec09SArd Biesheuvel u32 allocate_buffer; 6738166ec09SArd Biesheuvel u32 free_buffer; 6748166ec09SArd Biesheuvel u32 flush; 6758166ec09SArd Biesheuvel u32 get_location; 6768166ec09SArd Biesheuvel u32 attributes; 6778166ec09SArd Biesheuvel u32 get_bar_attributes; 6788166ec09SArd Biesheuvel u32 set_bar_attributes; 6798166ec09SArd Biesheuvel u64 romsize; 6808166ec09SArd Biesheuvel u32 romimage; 6818166ec09SArd Biesheuvel } mixed_mode; 6828166ec09SArd Biesheuvel }; 6838166ec09SArd Biesheuvel 6848166ec09SArd Biesheuvel #define EFI_PCI_IO_ATTRIBUTE_ISA_MOTHERBOARD_IO 0x0001 6858166ec09SArd Biesheuvel #define EFI_PCI_IO_ATTRIBUTE_ISA_IO 0x0002 6868166ec09SArd Biesheuvel #define EFI_PCI_IO_ATTRIBUTE_VGA_PALETTE_IO 0x0004 6878166ec09SArd Biesheuvel #define EFI_PCI_IO_ATTRIBUTE_VGA_MEMORY 0x0008 6888166ec09SArd Biesheuvel #define EFI_PCI_IO_ATTRIBUTE_VGA_IO 0x0010 6898166ec09SArd Biesheuvel #define EFI_PCI_IO_ATTRIBUTE_IDE_PRIMARY_IO 0x0020 6908166ec09SArd Biesheuvel #define EFI_PCI_IO_ATTRIBUTE_IDE_SECONDARY_IO 0x0040 6918166ec09SArd Biesheuvel #define EFI_PCI_IO_ATTRIBUTE_MEMORY_WRITE_COMBINE 0x0080 6928166ec09SArd Biesheuvel #define EFI_PCI_IO_ATTRIBUTE_IO 0x0100 6938166ec09SArd Biesheuvel #define EFI_PCI_IO_ATTRIBUTE_MEMORY 0x0200 6948166ec09SArd Biesheuvel #define EFI_PCI_IO_ATTRIBUTE_BUS_MASTER 0x0400 6958166ec09SArd Biesheuvel #define EFI_PCI_IO_ATTRIBUTE_MEMORY_CACHED 0x0800 6968166ec09SArd Biesheuvel #define EFI_PCI_IO_ATTRIBUTE_MEMORY_DISABLE 0x1000 6978166ec09SArd Biesheuvel #define EFI_PCI_IO_ATTRIBUTE_EMBEDDED_DEVICE 0x2000 6988166ec09SArd Biesheuvel #define EFI_PCI_IO_ATTRIBUTE_EMBEDDED_ROM 0x4000 6998166ec09SArd Biesheuvel #define EFI_PCI_IO_ATTRIBUTE_DUAL_ADDRESS_CYCLE 0x8000 7008166ec09SArd Biesheuvel #define EFI_PCI_IO_ATTRIBUTE_ISA_IO_16 0x10000 7018166ec09SArd Biesheuvel #define EFI_PCI_IO_ATTRIBUTE_VGA_PALETTE_IO_16 0x20000 7028166ec09SArd Biesheuvel #define EFI_PCI_IO_ATTRIBUTE_VGA_IO_16 0x40000 7038166ec09SArd Biesheuvel 7048166ec09SArd Biesheuvel struct efi_dev_path; 7058166ec09SArd Biesheuvel 7068166ec09SArd Biesheuvel typedef union apple_properties_protocol apple_properties_protocol_t; 7078166ec09SArd Biesheuvel 7088166ec09SArd Biesheuvel union apple_properties_protocol { 7098166ec09SArd Biesheuvel struct { 7108166ec09SArd Biesheuvel unsigned long version; 7118166ec09SArd Biesheuvel efi_status_t (__efiapi *get)(apple_properties_protocol_t *, 7128166ec09SArd Biesheuvel struct efi_dev_path *, 7138166ec09SArd Biesheuvel efi_char16_t *, void *, u32 *); 7148166ec09SArd Biesheuvel efi_status_t (__efiapi *set)(apple_properties_protocol_t *, 7158166ec09SArd Biesheuvel struct efi_dev_path *, 7168166ec09SArd Biesheuvel efi_char16_t *, void *, u32); 7178166ec09SArd Biesheuvel efi_status_t (__efiapi *del)(apple_properties_protocol_t *, 7188166ec09SArd Biesheuvel struct efi_dev_path *, 7198166ec09SArd Biesheuvel efi_char16_t *); 7208166ec09SArd Biesheuvel efi_status_t (__efiapi *get_all)(apple_properties_protocol_t *, 7218166ec09SArd Biesheuvel void *buffer, u32 *); 7228166ec09SArd Biesheuvel }; 7238166ec09SArd Biesheuvel struct { 7248166ec09SArd Biesheuvel u32 version; 7258166ec09SArd Biesheuvel u32 get; 7268166ec09SArd Biesheuvel u32 set; 7278166ec09SArd Biesheuvel u32 del; 7288166ec09SArd Biesheuvel u32 get_all; 7298166ec09SArd Biesheuvel } mixed_mode; 7308166ec09SArd Biesheuvel }; 7318166ec09SArd Biesheuvel 7328166ec09SArd Biesheuvel typedef u32 efi_tcg2_event_log_format; 7338166ec09SArd Biesheuvel 7344da87c51SArd Biesheuvel #define INITRD_EVENT_TAG_ID 0x8F3B22ECU 7354da87c51SArd Biesheuvel #define EV_EVENT_TAG 0x00000006U 7364da87c51SArd Biesheuvel #define EFI_TCG2_EVENT_HEADER_VERSION 0x1 7374da87c51SArd Biesheuvel 7384da87c51SArd Biesheuvel struct efi_tcg2_event { 7394da87c51SArd Biesheuvel u32 event_size; 7404da87c51SArd Biesheuvel struct { 7414da87c51SArd Biesheuvel u32 header_size; 7424da87c51SArd Biesheuvel u16 header_version; 7434da87c51SArd Biesheuvel u32 pcr_index; 7444da87c51SArd Biesheuvel u32 event_type; 7454da87c51SArd Biesheuvel } __packed event_header; 7464da87c51SArd Biesheuvel /* u8[] event follows here */ 7474da87c51SArd Biesheuvel } __packed; 7484da87c51SArd Biesheuvel 7494da87c51SArd Biesheuvel struct efi_tcg2_tagged_event { 7504da87c51SArd Biesheuvel u32 tagged_event_id; 7514da87c51SArd Biesheuvel u32 tagged_event_data_size; 7524da87c51SArd Biesheuvel /* u8 tagged event data follows here */ 7534da87c51SArd Biesheuvel } __packed; 7544da87c51SArd Biesheuvel 7554da87c51SArd Biesheuvel typedef struct efi_tcg2_event efi_tcg2_event_t; 7564da87c51SArd Biesheuvel typedef struct efi_tcg2_tagged_event efi_tcg2_tagged_event_t; 7578166ec09SArd Biesheuvel typedef union efi_tcg2_protocol efi_tcg2_protocol_t; 7588166ec09SArd Biesheuvel 7598166ec09SArd Biesheuvel union efi_tcg2_protocol { 7608166ec09SArd Biesheuvel struct { 7618166ec09SArd Biesheuvel void *get_capability; 762cdec91c0SArd Biesheuvel efi_status_t (__efiapi *get_event_log)(efi_tcg2_protocol_t *, 7638166ec09SArd Biesheuvel efi_tcg2_event_log_format, 7648166ec09SArd Biesheuvel efi_physical_addr_t *, 7658166ec09SArd Biesheuvel efi_physical_addr_t *, 7668166ec09SArd Biesheuvel efi_bool_t *); 7674da87c51SArd Biesheuvel efi_status_t (__efiapi *hash_log_extend_event)(efi_tcg2_protocol_t *, 7684da87c51SArd Biesheuvel u64, 7694da87c51SArd Biesheuvel efi_physical_addr_t, 7704da87c51SArd Biesheuvel u64, 7714da87c51SArd Biesheuvel const efi_tcg2_event_t *); 7728166ec09SArd Biesheuvel void *submit_command; 7738166ec09SArd Biesheuvel void *get_active_pcr_banks; 7748166ec09SArd Biesheuvel void *set_active_pcr_banks; 7758166ec09SArd Biesheuvel void *get_result_of_set_active_pcr_banks; 7768166ec09SArd Biesheuvel }; 7778166ec09SArd Biesheuvel struct { 7788166ec09SArd Biesheuvel u32 get_capability; 7798166ec09SArd Biesheuvel u32 get_event_log; 7808166ec09SArd Biesheuvel u32 hash_log_extend_event; 7818166ec09SArd Biesheuvel u32 submit_command; 7828166ec09SArd Biesheuvel u32 get_active_pcr_banks; 7838166ec09SArd Biesheuvel u32 set_active_pcr_banks; 7848166ec09SArd Biesheuvel u32 get_result_of_set_active_pcr_banks; 7858166ec09SArd Biesheuvel } mixed_mode; 7868166ec09SArd Biesheuvel }; 7878166ec09SArd Biesheuvel 7883f68e695SSunil V L struct riscv_efi_boot_protocol { 7893f68e695SSunil V L u64 revision; 7903f68e695SSunil V L 7913f68e695SSunil V L efi_status_t (__efiapi *get_boot_hartid)(struct riscv_efi_boot_protocol *, 7923f68e695SSunil V L unsigned long *boot_hartid); 7933f68e695SSunil V L }; 7943f68e695SSunil V L 7952931d526SArd Biesheuvel typedef union efi_load_file_protocol efi_load_file_protocol_t; 7962931d526SArd Biesheuvel typedef union efi_load_file_protocol efi_load_file2_protocol_t; 7972931d526SArd Biesheuvel 7982931d526SArd Biesheuvel union efi_load_file_protocol { 7992931d526SArd Biesheuvel struct { 8002931d526SArd Biesheuvel efi_status_t (__efiapi *load_file)(efi_load_file_protocol_t *, 8012931d526SArd Biesheuvel efi_device_path_protocol_t *, 8022931d526SArd Biesheuvel bool, unsigned long *, void *); 8032931d526SArd Biesheuvel }; 8042931d526SArd Biesheuvel struct { 8052931d526SArd Biesheuvel u32 load_file; 8062931d526SArd Biesheuvel } mixed_mode; 8072931d526SArd Biesheuvel }; 8082931d526SArd Biesheuvel 8094a568ce2SArvind Sankar typedef struct { 8104a568ce2SArvind Sankar u32 attributes; 8114a568ce2SArvind Sankar u16 file_path_list_length; 8124a568ce2SArvind Sankar u8 variable_data[]; 8134a568ce2SArvind Sankar // efi_char16_t description[]; 8144a568ce2SArvind Sankar // efi_device_path_protocol_t file_path_list[]; 8154a568ce2SArvind Sankar // u8 optional_data[]; 8164a568ce2SArvind Sankar } __packed efi_load_option_t; 8174a568ce2SArvind Sankar 8184a568ce2SArvind Sankar #define EFI_LOAD_OPTION_ACTIVE 0x0001U 8194a568ce2SArvind Sankar #define EFI_LOAD_OPTION_FORCE_RECONNECT 0x0002U 8204a568ce2SArvind Sankar #define EFI_LOAD_OPTION_HIDDEN 0x0008U 8214a568ce2SArvind Sankar #define EFI_LOAD_OPTION_CATEGORY 0x1f00U 8224a568ce2SArvind Sankar #define EFI_LOAD_OPTION_CATEGORY_BOOT 0x0000U 8234a568ce2SArvind Sankar #define EFI_LOAD_OPTION_CATEGORY_APP 0x0100U 8244a568ce2SArvind Sankar 8254a568ce2SArvind Sankar #define EFI_LOAD_OPTION_BOOT_MASK \ 8264a568ce2SArvind Sankar (EFI_LOAD_OPTION_ACTIVE|EFI_LOAD_OPTION_HIDDEN|EFI_LOAD_OPTION_CATEGORY) 8274a568ce2SArvind Sankar #define EFI_LOAD_OPTION_MASK (EFI_LOAD_OPTION_FORCE_RECONNECT|EFI_LOAD_OPTION_BOOT_MASK) 8284a568ce2SArvind Sankar 8294a568ce2SArvind Sankar typedef struct { 8304a568ce2SArvind Sankar u32 attributes; 8314a568ce2SArvind Sankar u16 file_path_list_length; 8324a568ce2SArvind Sankar const efi_char16_t *description; 8334a568ce2SArvind Sankar const efi_device_path_protocol_t *file_path_list; 8344a568ce2SArvind Sankar size_t optional_data_size; 8354a568ce2SArvind Sankar const void *optional_data; 8364a568ce2SArvind Sankar } efi_load_option_unpacked_t; 8374a568ce2SArvind Sankar 8388166ec09SArd Biesheuvel void efi_pci_disable_bridge_busmaster(void); 8398166ec09SArd Biesheuvel 8408166ec09SArd Biesheuvel typedef efi_status_t (*efi_exit_boot_map_processing)( 8418166ec09SArd Biesheuvel struct efi_boot_memmap *map, 8428166ec09SArd Biesheuvel void *priv); 8438166ec09SArd Biesheuvel 844eab31265SArd Biesheuvel efi_status_t efi_exit_boot_services(void *handle, void *priv, 8458166ec09SArd Biesheuvel efi_exit_boot_map_processing priv_func); 8468166ec09SArd Biesheuvel 8474fc8e738SArd Biesheuvel efi_status_t efi_boot_kernel(void *handle, efi_loaded_image_t *image, 8484fc8e738SArd Biesheuvel unsigned long kernel_addr, char *cmdline_ptr); 8498166ec09SArd Biesheuvel 8508166ec09SArd Biesheuvel void *get_fdt(unsigned long *fdt_size); 8518166ec09SArd Biesheuvel 852f80d2604SArd Biesheuvel efi_status_t efi_alloc_virtmap(efi_memory_desc_t **virtmap, 853f80d2604SArd Biesheuvel unsigned long *desc_size, u32 *desc_ver); 8548166ec09SArd Biesheuvel void efi_get_virtmap(efi_memory_desc_t *memory_map, unsigned long map_size, 8558166ec09SArd Biesheuvel unsigned long desc_size, efi_memory_desc_t *runtime_map, 8568166ec09SArd Biesheuvel int *count); 8578166ec09SArd Biesheuvel 8588166ec09SArd Biesheuvel efi_status_t efi_get_random_bytes(unsigned long size, u8 *out); 8598166ec09SArd Biesheuvel 8608166ec09SArd Biesheuvel efi_status_t efi_random_alloc(unsigned long size, unsigned long align, 8618166ec09SArd Biesheuvel unsigned long *addr, unsigned long random_seed); 8628166ec09SArd Biesheuvel 8638166ec09SArd Biesheuvel efi_status_t check_platform_features(void); 8648166ec09SArd Biesheuvel 8658166ec09SArd Biesheuvel void *get_efi_config_table(efi_guid_t guid); 8668166ec09SArd Biesheuvel 867cb8c90a0SArvind Sankar /* NOTE: These functions do not print a trailing newline after the string */ 868cb8c90a0SArvind Sankar void efi_char16_puts(efi_char16_t *); 869cb8c90a0SArvind Sankar void efi_puts(const char *str); 8708166ec09SArd Biesheuvel 8712c7d1e30SArvind Sankar __printf(1, 2) int efi_printk(char const *fmt, ...); 8728166ec09SArd Biesheuvel 8738166ec09SArd Biesheuvel void efi_free(unsigned long size, unsigned long addr); 8748166ec09SArd Biesheuvel 8754a568ce2SArvind Sankar void efi_apply_loadoptions_quirk(const void **load_options, int *load_options_size); 8764a568ce2SArvind Sankar 87727cd5511SArd Biesheuvel char *efi_convert_cmdline(efi_loaded_image_t *image, int *cmd_line_len); 8788166ec09SArd Biesheuvel 879*171539f5SArd Biesheuvel efi_status_t efi_get_memory_map(struct efi_boot_memmap **map, 880*171539f5SArd Biesheuvel bool install_cfg_tbl); 8818166ec09SArd Biesheuvel 8828166ec09SArd Biesheuvel efi_status_t efi_allocate_pages(unsigned long size, unsigned long *addr, 8838166ec09SArd Biesheuvel unsigned long max); 8848166ec09SArd Biesheuvel 88543b1df0eSArd Biesheuvel efi_status_t efi_allocate_pages_aligned(unsigned long size, unsigned long *addr, 88643b1df0eSArd Biesheuvel unsigned long max, unsigned long align); 88743b1df0eSArd Biesheuvel 8881a895dbfSArd Biesheuvel efi_status_t efi_low_alloc_above(unsigned long size, unsigned long align, 8891a895dbfSArd Biesheuvel unsigned long *addr, unsigned long min); 8901a895dbfSArd Biesheuvel 8918166ec09SArd Biesheuvel efi_status_t efi_relocate_kernel(unsigned long *image_addr, 8928166ec09SArd Biesheuvel unsigned long image_size, 8938166ec09SArd Biesheuvel unsigned long alloc_size, 8948166ec09SArd Biesheuvel unsigned long preferred_addr, 8958166ec09SArd Biesheuvel unsigned long alignment, 8968166ec09SArd Biesheuvel unsigned long min_addr); 8978166ec09SArd Biesheuvel 8988166ec09SArd Biesheuvel efi_status_t efi_parse_options(char const *cmdline); 8998166ec09SArd Biesheuvel 900fffb6804SArvind Sankar void efi_parse_option_graphics(char *option); 901fffb6804SArvind Sankar 9028166ec09SArd Biesheuvel efi_status_t efi_setup_gop(struct screen_info *si, efi_guid_t *proto, 9038166ec09SArd Biesheuvel unsigned long size); 9048166ec09SArd Biesheuvel 905cf6b8366SArd Biesheuvel efi_status_t handle_cmdline_files(efi_loaded_image_t *image, 906cf6b8366SArd Biesheuvel const efi_char16_t *optstr, 907cf6b8366SArd Biesheuvel int optstr_size, 908cf6b8366SArd Biesheuvel unsigned long soft_limit, 909cf6b8366SArd Biesheuvel unsigned long hard_limit, 9109302c1bbSArd Biesheuvel unsigned long *load_addr, 9119302c1bbSArd Biesheuvel unsigned long *load_size); 9129302c1bbSArd Biesheuvel 913cf6b8366SArd Biesheuvel 914cf6b8366SArd Biesheuvel static inline efi_status_t efi_load_dtb(efi_loaded_image_t *image, 915cf6b8366SArd Biesheuvel unsigned long *load_addr, 916cf6b8366SArd Biesheuvel unsigned long *load_size) 917cf6b8366SArd Biesheuvel { 918cf6b8366SArd Biesheuvel return handle_cmdline_files(image, L"dtb=", sizeof(L"dtb=") - 2, 919cf6b8366SArd Biesheuvel ULONG_MAX, ULONG_MAX, load_addr, load_size); 920cf6b8366SArd Biesheuvel } 921cf6b8366SArd Biesheuvel 922f61900fdSArvind Sankar efi_status_t efi_load_initrd(efi_loaded_image_t *image, 92331f5e546SArd Biesheuvel unsigned long soft_limit, 924f4dc7fffSArd Biesheuvel unsigned long hard_limit, 925f4dc7fffSArd Biesheuvel const struct linux_efi_initrd **out); 9263230d95cSAtish Patra /* 9273230d95cSAtish Patra * This function handles the architcture specific differences between arm and 9283230d95cSAtish Patra * arm64 regarding where the kernel image must be loaded and any memory that 9293230d95cSAtish Patra * must be reserved. On failure it is required to free all 9303230d95cSAtish Patra * all allocations it has made. 9313230d95cSAtish Patra */ 9323230d95cSAtish Patra efi_status_t handle_kernel_image(unsigned long *image_addr, 9333230d95cSAtish Patra unsigned long *image_size, 9343230d95cSAtish Patra unsigned long *reserve_addr, 9353230d95cSAtish Patra unsigned long *reserve_size, 936416a9f84SArd Biesheuvel efi_loaded_image_t *image, 937416a9f84SArd Biesheuvel efi_handle_t image_handle); 9383230d95cSAtish Patra 9393230d95cSAtish Patra asmlinkage void __noreturn efi_enter_kernel(unsigned long entrypoint, 9403230d95cSAtish Patra unsigned long fdt_addr, 9413230d95cSAtish Patra unsigned long fdt_size); 942ec93fc37SArd Biesheuvel 9432a55280aSArd Biesheuvel void efi_handle_post_ebs_state(void); 9442a55280aSArd Biesheuvel 945e1ac4b24SChester Lin enum efi_secureboot_mode efi_get_secureboot(void); 946e1ac4b24SChester Lin 9473820749dSArd Biesheuvel #ifdef CONFIG_RESET_ATTACK_MITIGATION 9483820749dSArd Biesheuvel void efi_enable_reset_attack_mitigation(void); 9493820749dSArd Biesheuvel #else 9503820749dSArd Biesheuvel static inline void 9513820749dSArd Biesheuvel efi_enable_reset_attack_mitigation(void) { } 9523820749dSArd Biesheuvel #endif 9533820749dSArd Biesheuvel 9543820749dSArd Biesheuvel void efi_retrieve_tpm2_eventlog(void); 9553820749dSArd Biesheuvel 956f4f75ad5SArd Biesheuvel #endif 957