1 /* SPDX-License-Identifier: GPL-2.0 */ 2 3 #ifndef _DRIVERS_FIRMWARE_EFI_EFISTUB_H 4 #define _DRIVERS_FIRMWARE_EFI_EFISTUB_H 5 6 #include <linux/compiler.h> 7 #include <linux/efi.h> 8 #include <linux/kernel.h> 9 #include <linux/kern_levels.h> 10 #include <linux/types.h> 11 #include <asm/efi.h> 12 13 /* error code which can't be mistaken for valid address */ 14 #define EFI_ERROR (~0UL) 15 16 /* 17 * __init annotations should not be used in the EFI stub, since the code is 18 * either included in the decompressor (x86, ARM) where they have no effect, 19 * or the whole stub is __init annotated at the section level (arm64), by 20 * renaming the sections, in which case the __init annotation will be 21 * redundant, and will result in section names like .init.init.text, and our 22 * linker script does not expect that. 23 */ 24 #undef __init 25 26 /* 27 * Allow the platform to override the allocation granularity: this allows 28 * systems that have the capability to run with a larger page size to deal 29 * with the allocations for initrd and fdt more efficiently. 30 */ 31 #ifndef EFI_ALLOC_ALIGN 32 #define EFI_ALLOC_ALIGN EFI_PAGE_SIZE 33 #endif 34 35 extern bool efi_nochunk; 36 extern bool efi_nokaslr; 37 extern bool efi_noinitrd; 38 extern int efi_loglevel; 39 extern bool efi_novamap; 40 41 extern const efi_system_table_t *efi_system_table; 42 43 efi_status_t __efiapi efi_pe_entry(efi_handle_t handle, 44 efi_system_table_t *sys_table_arg); 45 46 #ifndef ARCH_HAS_EFISTUB_WRAPPERS 47 48 #define efi_is_native() (true) 49 #define efi_bs_call(func, ...) efi_system_table->boottime->func(__VA_ARGS__) 50 #define efi_rt_call(func, ...) efi_system_table->runtime->func(__VA_ARGS__) 51 #define efi_table_attr(inst, attr) (inst->attr) 52 #define efi_call_proto(inst, func, ...) inst->func(inst, ##__VA_ARGS__) 53 54 #endif 55 56 #define efi_info(fmt, ...) \ 57 efi_printk(KERN_INFO fmt, ##__VA_ARGS__) 58 #define efi_err(fmt, ...) \ 59 efi_printk(KERN_ERR "ERROR: " fmt, ##__VA_ARGS__) 60 #define efi_debug(fmt, ...) \ 61 efi_printk(KERN_DEBUG "DEBUG: " fmt, ##__VA_ARGS__) 62 63 /* Helper macros for the usual case of using simple C variables: */ 64 #ifndef fdt_setprop_inplace_var 65 #define fdt_setprop_inplace_var(fdt, node_offset, name, var) \ 66 fdt_setprop_inplace((fdt), (node_offset), (name), &(var), sizeof(var)) 67 #endif 68 69 #ifndef fdt_setprop_var 70 #define fdt_setprop_var(fdt, node_offset, name, var) \ 71 fdt_setprop((fdt), (node_offset), (name), &(var), sizeof(var)) 72 #endif 73 74 #define get_efi_var(name, vendor, ...) \ 75 efi_rt_call(get_variable, (efi_char16_t *)(name), \ 76 (efi_guid_t *)(vendor), __VA_ARGS__) 77 78 #define set_efi_var(name, vendor, ...) \ 79 efi_rt_call(set_variable, (efi_char16_t *)(name), \ 80 (efi_guid_t *)(vendor), __VA_ARGS__) 81 82 #define efi_get_handle_at(array, idx) \ 83 (efi_is_native() ? (array)[idx] \ 84 : (efi_handle_t)(unsigned long)((u32 *)(array))[idx]) 85 86 #define efi_get_handle_num(size) \ 87 ((size) / (efi_is_native() ? sizeof(efi_handle_t) : sizeof(u32))) 88 89 #define for_each_efi_handle(handle, array, size, i) \ 90 for (i = 0; \ 91 i < efi_get_handle_num(size) && \ 92 ((handle = efi_get_handle_at((array), i)) || true); \ 93 i++) 94 95 static inline 96 void efi_set_u64_split(u64 data, u32 *lo, u32 *hi) 97 { 98 *lo = lower_32_bits(data); 99 *hi = upper_32_bits(data); 100 } 101 102 /* 103 * Allocation types for calls to boottime->allocate_pages. 104 */ 105 #define EFI_ALLOCATE_ANY_PAGES 0 106 #define EFI_ALLOCATE_MAX_ADDRESS 1 107 #define EFI_ALLOCATE_ADDRESS 2 108 #define EFI_MAX_ALLOCATE_TYPE 3 109 110 /* 111 * The type of search to perform when calling boottime->locate_handle 112 */ 113 #define EFI_LOCATE_ALL_HANDLES 0 114 #define EFI_LOCATE_BY_REGISTER_NOTIFY 1 115 #define EFI_LOCATE_BY_PROTOCOL 2 116 117 /* 118 * boottime->stall takes the time period in microseconds 119 */ 120 #define EFI_USEC_PER_SEC 1000000 121 122 /* 123 * boottime->set_timer takes the time in 100ns units 124 */ 125 #define EFI_100NSEC_PER_USEC ((u64)10) 126 127 /* 128 * An efi_boot_memmap is used by efi_get_memory_map() to return the 129 * EFI memory map in a dynamically allocated buffer. 130 * 131 * The buffer allocated for the EFI memory map includes extra room for 132 * a minimum of EFI_MMAP_NR_SLACK_SLOTS additional EFI memory descriptors. 133 * This facilitates the reuse of the EFI memory map buffer when a second 134 * call to ExitBootServices() is needed because of intervening changes to 135 * the EFI memory map. Other related structures, e.g. x86 e820ext, need 136 * to factor in this headroom requirement as well. 137 */ 138 #define EFI_MMAP_NR_SLACK_SLOTS 8 139 140 struct efi_boot_memmap { 141 efi_memory_desc_t **map; 142 unsigned long *map_size; 143 unsigned long *desc_size; 144 u32 *desc_ver; 145 unsigned long *key_ptr; 146 unsigned long *buff_size; 147 }; 148 149 typedef struct efi_generic_dev_path efi_device_path_protocol_t; 150 151 typedef void *efi_event_t; 152 /* Note that notifications won't work in mixed mode */ 153 typedef void (__efiapi *efi_event_notify_t)(efi_event_t, void *); 154 155 #define EFI_EVT_TIMER 0x80000000U 156 #define EFI_EVT_RUNTIME 0x40000000U 157 #define EFI_EVT_NOTIFY_WAIT 0x00000100U 158 #define EFI_EVT_NOTIFY_SIGNAL 0x00000200U 159 160 /* 161 * boottime->wait_for_event takes an array of events as input. 162 * Provide a helper to set it up correctly for mixed mode. 163 */ 164 static inline 165 void efi_set_event_at(efi_event_t *events, size_t idx, efi_event_t event) 166 { 167 if (efi_is_native()) 168 events[idx] = event; 169 else 170 ((u32 *)events)[idx] = (u32)(unsigned long)event; 171 } 172 173 #define EFI_TPL_APPLICATION 4 174 #define EFI_TPL_CALLBACK 8 175 #define EFI_TPL_NOTIFY 16 176 #define EFI_TPL_HIGH_LEVEL 31 177 178 typedef enum { 179 EfiTimerCancel, 180 EfiTimerPeriodic, 181 EfiTimerRelative 182 } EFI_TIMER_DELAY; 183 184 /* 185 * EFI Boot Services table 186 */ 187 union efi_boot_services { 188 struct { 189 efi_table_hdr_t hdr; 190 void *raise_tpl; 191 void *restore_tpl; 192 efi_status_t (__efiapi *allocate_pages)(int, int, unsigned long, 193 efi_physical_addr_t *); 194 efi_status_t (__efiapi *free_pages)(efi_physical_addr_t, 195 unsigned long); 196 efi_status_t (__efiapi *get_memory_map)(unsigned long *, void *, 197 unsigned long *, 198 unsigned long *, u32 *); 199 efi_status_t (__efiapi *allocate_pool)(int, unsigned long, 200 void **); 201 efi_status_t (__efiapi *free_pool)(void *); 202 efi_status_t (__efiapi *create_event)(u32, unsigned long, 203 efi_event_notify_t, void *, 204 efi_event_t *); 205 efi_status_t (__efiapi *set_timer)(efi_event_t, 206 EFI_TIMER_DELAY, u64); 207 efi_status_t (__efiapi *wait_for_event)(unsigned long, 208 efi_event_t *, 209 unsigned long *); 210 void *signal_event; 211 efi_status_t (__efiapi *close_event)(efi_event_t); 212 void *check_event; 213 void *install_protocol_interface; 214 void *reinstall_protocol_interface; 215 void *uninstall_protocol_interface; 216 efi_status_t (__efiapi *handle_protocol)(efi_handle_t, 217 efi_guid_t *, void **); 218 void *__reserved; 219 void *register_protocol_notify; 220 efi_status_t (__efiapi *locate_handle)(int, efi_guid_t *, 221 void *, unsigned long *, 222 efi_handle_t *); 223 efi_status_t (__efiapi *locate_device_path)(efi_guid_t *, 224 efi_device_path_protocol_t **, 225 efi_handle_t *); 226 efi_status_t (__efiapi *install_configuration_table)(efi_guid_t *, 227 void *); 228 void *load_image; 229 void *start_image; 230 efi_status_t __noreturn (__efiapi *exit)(efi_handle_t, 231 efi_status_t, 232 unsigned long, 233 efi_char16_t *); 234 void *unload_image; 235 efi_status_t (__efiapi *exit_boot_services)(efi_handle_t, 236 unsigned long); 237 void *get_next_monotonic_count; 238 efi_status_t (__efiapi *stall)(unsigned long); 239 void *set_watchdog_timer; 240 void *connect_controller; 241 efi_status_t (__efiapi *disconnect_controller)(efi_handle_t, 242 efi_handle_t, 243 efi_handle_t); 244 void *open_protocol; 245 void *close_protocol; 246 void *open_protocol_information; 247 void *protocols_per_handle; 248 void *locate_handle_buffer; 249 efi_status_t (__efiapi *locate_protocol)(efi_guid_t *, void *, 250 void **); 251 void *install_multiple_protocol_interfaces; 252 void *uninstall_multiple_protocol_interfaces; 253 void *calculate_crc32; 254 void *copy_mem; 255 void *set_mem; 256 void *create_event_ex; 257 }; 258 struct { 259 efi_table_hdr_t hdr; 260 u32 raise_tpl; 261 u32 restore_tpl; 262 u32 allocate_pages; 263 u32 free_pages; 264 u32 get_memory_map; 265 u32 allocate_pool; 266 u32 free_pool; 267 u32 create_event; 268 u32 set_timer; 269 u32 wait_for_event; 270 u32 signal_event; 271 u32 close_event; 272 u32 check_event; 273 u32 install_protocol_interface; 274 u32 reinstall_protocol_interface; 275 u32 uninstall_protocol_interface; 276 u32 handle_protocol; 277 u32 __reserved; 278 u32 register_protocol_notify; 279 u32 locate_handle; 280 u32 locate_device_path; 281 u32 install_configuration_table; 282 u32 load_image; 283 u32 start_image; 284 u32 exit; 285 u32 unload_image; 286 u32 exit_boot_services; 287 u32 get_next_monotonic_count; 288 u32 stall; 289 u32 set_watchdog_timer; 290 u32 connect_controller; 291 u32 disconnect_controller; 292 u32 open_protocol; 293 u32 close_protocol; 294 u32 open_protocol_information; 295 u32 protocols_per_handle; 296 u32 locate_handle_buffer; 297 u32 locate_protocol; 298 u32 install_multiple_protocol_interfaces; 299 u32 uninstall_multiple_protocol_interfaces; 300 u32 calculate_crc32; 301 u32 copy_mem; 302 u32 set_mem; 303 u32 create_event_ex; 304 } mixed_mode; 305 }; 306 307 typedef union efi_uga_draw_protocol efi_uga_draw_protocol_t; 308 309 union efi_uga_draw_protocol { 310 struct { 311 efi_status_t (__efiapi *get_mode)(efi_uga_draw_protocol_t *, 312 u32*, u32*, u32*, u32*); 313 void *set_mode; 314 void *blt; 315 }; 316 struct { 317 u32 get_mode; 318 u32 set_mode; 319 u32 blt; 320 } mixed_mode; 321 }; 322 323 typedef struct { 324 u16 scan_code; 325 efi_char16_t unicode_char; 326 } efi_input_key_t; 327 328 union efi_simple_text_input_protocol { 329 struct { 330 void *reset; 331 efi_status_t (__efiapi *read_keystroke)(efi_simple_text_input_protocol_t *, 332 efi_input_key_t *); 333 efi_event_t wait_for_key; 334 }; 335 struct { 336 u32 reset; 337 u32 read_keystroke; 338 u32 wait_for_key; 339 } mixed_mode; 340 }; 341 342 efi_status_t efi_wait_for_key(unsigned long usec, efi_input_key_t *key); 343 344 union efi_simple_text_output_protocol { 345 struct { 346 void *reset; 347 efi_status_t (__efiapi *output_string)(efi_simple_text_output_protocol_t *, 348 efi_char16_t *); 349 void *test_string; 350 }; 351 struct { 352 u32 reset; 353 u32 output_string; 354 u32 test_string; 355 } mixed_mode; 356 }; 357 358 #define PIXEL_RGB_RESERVED_8BIT_PER_COLOR 0 359 #define PIXEL_BGR_RESERVED_8BIT_PER_COLOR 1 360 #define PIXEL_BIT_MASK 2 361 #define PIXEL_BLT_ONLY 3 362 #define PIXEL_FORMAT_MAX 4 363 364 typedef struct { 365 u32 red_mask; 366 u32 green_mask; 367 u32 blue_mask; 368 u32 reserved_mask; 369 } efi_pixel_bitmask_t; 370 371 typedef struct { 372 u32 version; 373 u32 horizontal_resolution; 374 u32 vertical_resolution; 375 int pixel_format; 376 efi_pixel_bitmask_t pixel_information; 377 u32 pixels_per_scan_line; 378 } efi_graphics_output_mode_info_t; 379 380 typedef union efi_graphics_output_protocol_mode efi_graphics_output_protocol_mode_t; 381 382 union efi_graphics_output_protocol_mode { 383 struct { 384 u32 max_mode; 385 u32 mode; 386 efi_graphics_output_mode_info_t *info; 387 unsigned long size_of_info; 388 efi_physical_addr_t frame_buffer_base; 389 unsigned long frame_buffer_size; 390 }; 391 struct { 392 u32 max_mode; 393 u32 mode; 394 u32 info; 395 u32 size_of_info; 396 u64 frame_buffer_base; 397 u32 frame_buffer_size; 398 } mixed_mode; 399 }; 400 401 typedef union efi_graphics_output_protocol efi_graphics_output_protocol_t; 402 403 union efi_graphics_output_protocol { 404 struct { 405 efi_status_t (__efiapi *query_mode)(efi_graphics_output_protocol_t *, 406 u32, unsigned long *, 407 efi_graphics_output_mode_info_t **); 408 efi_status_t (__efiapi *set_mode) (efi_graphics_output_protocol_t *, u32); 409 void *blt; 410 efi_graphics_output_protocol_mode_t *mode; 411 }; 412 struct { 413 u32 query_mode; 414 u32 set_mode; 415 u32 blt; 416 u32 mode; 417 } mixed_mode; 418 }; 419 420 typedef union { 421 struct { 422 u32 revision; 423 efi_handle_t parent_handle; 424 efi_system_table_t *system_table; 425 efi_handle_t device_handle; 426 void *file_path; 427 void *reserved; 428 u32 load_options_size; 429 void *load_options; 430 void *image_base; 431 __aligned_u64 image_size; 432 unsigned int image_code_type; 433 unsigned int image_data_type; 434 efi_status_t (__efiapi *unload)(efi_handle_t image_handle); 435 }; 436 struct { 437 u32 revision; 438 u32 parent_handle; 439 u32 system_table; 440 u32 device_handle; 441 u32 file_path; 442 u32 reserved; 443 u32 load_options_size; 444 u32 load_options; 445 u32 image_base; 446 __aligned_u64 image_size; 447 u32 image_code_type; 448 u32 image_data_type; 449 u32 unload; 450 } mixed_mode; 451 } efi_loaded_image_t; 452 453 typedef struct { 454 u64 size; 455 u64 file_size; 456 u64 phys_size; 457 efi_time_t create_time; 458 efi_time_t last_access_time; 459 efi_time_t modification_time; 460 __aligned_u64 attribute; 461 efi_char16_t filename[]; 462 } efi_file_info_t; 463 464 typedef struct efi_file_protocol efi_file_protocol_t; 465 466 struct efi_file_protocol { 467 u64 revision; 468 efi_status_t (__efiapi *open) (efi_file_protocol_t *, 469 efi_file_protocol_t **, 470 efi_char16_t *, u64, u64); 471 efi_status_t (__efiapi *close) (efi_file_protocol_t *); 472 efi_status_t (__efiapi *delete) (efi_file_protocol_t *); 473 efi_status_t (__efiapi *read) (efi_file_protocol_t *, 474 unsigned long *, void *); 475 efi_status_t (__efiapi *write) (efi_file_protocol_t *, 476 unsigned long, void *); 477 efi_status_t (__efiapi *get_position)(efi_file_protocol_t *, u64 *); 478 efi_status_t (__efiapi *set_position)(efi_file_protocol_t *, u64); 479 efi_status_t (__efiapi *get_info) (efi_file_protocol_t *, 480 efi_guid_t *, unsigned long *, 481 void *); 482 efi_status_t (__efiapi *set_info) (efi_file_protocol_t *, 483 efi_guid_t *, unsigned long, 484 void *); 485 efi_status_t (__efiapi *flush) (efi_file_protocol_t *); 486 }; 487 488 typedef struct efi_simple_file_system_protocol efi_simple_file_system_protocol_t; 489 490 struct efi_simple_file_system_protocol { 491 u64 revision; 492 int (__efiapi *open_volume)(efi_simple_file_system_protocol_t *, 493 efi_file_protocol_t **); 494 }; 495 496 #define EFI_FILE_MODE_READ 0x0000000000000001 497 #define EFI_FILE_MODE_WRITE 0x0000000000000002 498 #define EFI_FILE_MODE_CREATE 0x8000000000000000 499 500 typedef enum { 501 EfiPciIoWidthUint8, 502 EfiPciIoWidthUint16, 503 EfiPciIoWidthUint32, 504 EfiPciIoWidthUint64, 505 EfiPciIoWidthFifoUint8, 506 EfiPciIoWidthFifoUint16, 507 EfiPciIoWidthFifoUint32, 508 EfiPciIoWidthFifoUint64, 509 EfiPciIoWidthFillUint8, 510 EfiPciIoWidthFillUint16, 511 EfiPciIoWidthFillUint32, 512 EfiPciIoWidthFillUint64, 513 EfiPciIoWidthMaximum 514 } EFI_PCI_IO_PROTOCOL_WIDTH; 515 516 typedef enum { 517 EfiPciIoAttributeOperationGet, 518 EfiPciIoAttributeOperationSet, 519 EfiPciIoAttributeOperationEnable, 520 EfiPciIoAttributeOperationDisable, 521 EfiPciIoAttributeOperationSupported, 522 EfiPciIoAttributeOperationMaximum 523 } EFI_PCI_IO_PROTOCOL_ATTRIBUTE_OPERATION; 524 525 typedef struct { 526 u32 read; 527 u32 write; 528 } efi_pci_io_protocol_access_32_t; 529 530 typedef union efi_pci_io_protocol efi_pci_io_protocol_t; 531 532 typedef 533 efi_status_t (__efiapi *efi_pci_io_protocol_cfg_t)(efi_pci_io_protocol_t *, 534 EFI_PCI_IO_PROTOCOL_WIDTH, 535 u32 offset, 536 unsigned long count, 537 void *buffer); 538 539 typedef struct { 540 void *read; 541 void *write; 542 } efi_pci_io_protocol_access_t; 543 544 typedef struct { 545 efi_pci_io_protocol_cfg_t read; 546 efi_pci_io_protocol_cfg_t write; 547 } efi_pci_io_protocol_config_access_t; 548 549 union efi_pci_io_protocol { 550 struct { 551 void *poll_mem; 552 void *poll_io; 553 efi_pci_io_protocol_access_t mem; 554 efi_pci_io_protocol_access_t io; 555 efi_pci_io_protocol_config_access_t pci; 556 void *copy_mem; 557 void *map; 558 void *unmap; 559 void *allocate_buffer; 560 void *free_buffer; 561 void *flush; 562 efi_status_t (__efiapi *get_location)(efi_pci_io_protocol_t *, 563 unsigned long *segment_nr, 564 unsigned long *bus_nr, 565 unsigned long *device_nr, 566 unsigned long *func_nr); 567 void *attributes; 568 void *get_bar_attributes; 569 void *set_bar_attributes; 570 uint64_t romsize; 571 void *romimage; 572 }; 573 struct { 574 u32 poll_mem; 575 u32 poll_io; 576 efi_pci_io_protocol_access_32_t mem; 577 efi_pci_io_protocol_access_32_t io; 578 efi_pci_io_protocol_access_32_t pci; 579 u32 copy_mem; 580 u32 map; 581 u32 unmap; 582 u32 allocate_buffer; 583 u32 free_buffer; 584 u32 flush; 585 u32 get_location; 586 u32 attributes; 587 u32 get_bar_attributes; 588 u32 set_bar_attributes; 589 u64 romsize; 590 u32 romimage; 591 } mixed_mode; 592 }; 593 594 #define EFI_PCI_IO_ATTRIBUTE_ISA_MOTHERBOARD_IO 0x0001 595 #define EFI_PCI_IO_ATTRIBUTE_ISA_IO 0x0002 596 #define EFI_PCI_IO_ATTRIBUTE_VGA_PALETTE_IO 0x0004 597 #define EFI_PCI_IO_ATTRIBUTE_VGA_MEMORY 0x0008 598 #define EFI_PCI_IO_ATTRIBUTE_VGA_IO 0x0010 599 #define EFI_PCI_IO_ATTRIBUTE_IDE_PRIMARY_IO 0x0020 600 #define EFI_PCI_IO_ATTRIBUTE_IDE_SECONDARY_IO 0x0040 601 #define EFI_PCI_IO_ATTRIBUTE_MEMORY_WRITE_COMBINE 0x0080 602 #define EFI_PCI_IO_ATTRIBUTE_IO 0x0100 603 #define EFI_PCI_IO_ATTRIBUTE_MEMORY 0x0200 604 #define EFI_PCI_IO_ATTRIBUTE_BUS_MASTER 0x0400 605 #define EFI_PCI_IO_ATTRIBUTE_MEMORY_CACHED 0x0800 606 #define EFI_PCI_IO_ATTRIBUTE_MEMORY_DISABLE 0x1000 607 #define EFI_PCI_IO_ATTRIBUTE_EMBEDDED_DEVICE 0x2000 608 #define EFI_PCI_IO_ATTRIBUTE_EMBEDDED_ROM 0x4000 609 #define EFI_PCI_IO_ATTRIBUTE_DUAL_ADDRESS_CYCLE 0x8000 610 #define EFI_PCI_IO_ATTRIBUTE_ISA_IO_16 0x10000 611 #define EFI_PCI_IO_ATTRIBUTE_VGA_PALETTE_IO_16 0x20000 612 #define EFI_PCI_IO_ATTRIBUTE_VGA_IO_16 0x40000 613 614 struct efi_dev_path; 615 616 typedef union apple_properties_protocol apple_properties_protocol_t; 617 618 union apple_properties_protocol { 619 struct { 620 unsigned long version; 621 efi_status_t (__efiapi *get)(apple_properties_protocol_t *, 622 struct efi_dev_path *, 623 efi_char16_t *, void *, u32 *); 624 efi_status_t (__efiapi *set)(apple_properties_protocol_t *, 625 struct efi_dev_path *, 626 efi_char16_t *, void *, u32); 627 efi_status_t (__efiapi *del)(apple_properties_protocol_t *, 628 struct efi_dev_path *, 629 efi_char16_t *); 630 efi_status_t (__efiapi *get_all)(apple_properties_protocol_t *, 631 void *buffer, u32 *); 632 }; 633 struct { 634 u32 version; 635 u32 get; 636 u32 set; 637 u32 del; 638 u32 get_all; 639 } mixed_mode; 640 }; 641 642 typedef u32 efi_tcg2_event_log_format; 643 644 typedef union efi_tcg2_protocol efi_tcg2_protocol_t; 645 646 union efi_tcg2_protocol { 647 struct { 648 void *get_capability; 649 efi_status_t (__efiapi *get_event_log)(efi_handle_t, 650 efi_tcg2_event_log_format, 651 efi_physical_addr_t *, 652 efi_physical_addr_t *, 653 efi_bool_t *); 654 void *hash_log_extend_event; 655 void *submit_command; 656 void *get_active_pcr_banks; 657 void *set_active_pcr_banks; 658 void *get_result_of_set_active_pcr_banks; 659 }; 660 struct { 661 u32 get_capability; 662 u32 get_event_log; 663 u32 hash_log_extend_event; 664 u32 submit_command; 665 u32 get_active_pcr_banks; 666 u32 set_active_pcr_banks; 667 u32 get_result_of_set_active_pcr_banks; 668 } mixed_mode; 669 }; 670 671 typedef union efi_load_file_protocol efi_load_file_protocol_t; 672 typedef union efi_load_file_protocol efi_load_file2_protocol_t; 673 674 union efi_load_file_protocol { 675 struct { 676 efi_status_t (__efiapi *load_file)(efi_load_file_protocol_t *, 677 efi_device_path_protocol_t *, 678 bool, unsigned long *, void *); 679 }; 680 struct { 681 u32 load_file; 682 } mixed_mode; 683 }; 684 685 void efi_pci_disable_bridge_busmaster(void); 686 687 typedef efi_status_t (*efi_exit_boot_map_processing)( 688 struct efi_boot_memmap *map, 689 void *priv); 690 691 efi_status_t efi_exit_boot_services(void *handle, 692 struct efi_boot_memmap *map, 693 void *priv, 694 efi_exit_boot_map_processing priv_func); 695 696 efi_status_t allocate_new_fdt_and_exit_boot(void *handle, 697 unsigned long *new_fdt_addr, 698 unsigned long max_addr, 699 u64 initrd_addr, u64 initrd_size, 700 char *cmdline_ptr, 701 unsigned long fdt_addr, 702 unsigned long fdt_size); 703 704 void *get_fdt(unsigned long *fdt_size); 705 706 void efi_get_virtmap(efi_memory_desc_t *memory_map, unsigned long map_size, 707 unsigned long desc_size, efi_memory_desc_t *runtime_map, 708 int *count); 709 710 efi_status_t efi_get_random_bytes(unsigned long size, u8 *out); 711 712 efi_status_t efi_random_alloc(unsigned long size, unsigned long align, 713 unsigned long *addr, unsigned long random_seed); 714 715 efi_status_t check_platform_features(void); 716 717 void *get_efi_config_table(efi_guid_t guid); 718 719 /* NOTE: These functions do not print a trailing newline after the string */ 720 void efi_char16_puts(efi_char16_t *); 721 void efi_puts(const char *str); 722 723 __printf(1, 2) int efi_printk(char const *fmt, ...); 724 725 void efi_free(unsigned long size, unsigned long addr); 726 727 char *efi_convert_cmdline(efi_loaded_image_t *image, int *cmd_line_len); 728 729 efi_status_t efi_get_memory_map(struct efi_boot_memmap *map); 730 731 efi_status_t efi_allocate_pages(unsigned long size, unsigned long *addr, 732 unsigned long max); 733 734 efi_status_t efi_allocate_pages_aligned(unsigned long size, unsigned long *addr, 735 unsigned long max, unsigned long align); 736 737 efi_status_t efi_relocate_kernel(unsigned long *image_addr, 738 unsigned long image_size, 739 unsigned long alloc_size, 740 unsigned long preferred_addr, 741 unsigned long alignment, 742 unsigned long min_addr); 743 744 efi_status_t efi_parse_options(char const *cmdline); 745 746 void efi_parse_option_graphics(char *option); 747 748 efi_status_t efi_setup_gop(struct screen_info *si, efi_guid_t *proto, 749 unsigned long size); 750 751 efi_status_t handle_cmdline_files(efi_loaded_image_t *image, 752 const efi_char16_t *optstr, 753 int optstr_size, 754 unsigned long soft_limit, 755 unsigned long hard_limit, 756 unsigned long *load_addr, 757 unsigned long *load_size); 758 759 760 static inline efi_status_t efi_load_dtb(efi_loaded_image_t *image, 761 unsigned long *load_addr, 762 unsigned long *load_size) 763 { 764 return handle_cmdline_files(image, L"dtb=", sizeof(L"dtb=") - 2, 765 ULONG_MAX, ULONG_MAX, load_addr, load_size); 766 } 767 768 efi_status_t efi_load_initrd(efi_loaded_image_t *image, 769 unsigned long *load_addr, 770 unsigned long *load_size, 771 unsigned long soft_limit, 772 unsigned long hard_limit); 773 774 #endif 775