1 #ifndef _LINUX_EFI_H 2 #define _LINUX_EFI_H 3 4 /* 5 * Extensible Firmware Interface 6 * Based on 'Extensible Firmware Interface Specification' version 0.9, April 30, 1999 7 * 8 * Copyright (C) 1999 VA Linux Systems 9 * Copyright (C) 1999 Walt Drummond <[email protected]> 10 * Copyright (C) 1999, 2002-2003 Hewlett-Packard Co. 11 * David Mosberger-Tang <[email protected]> 12 * Stephane Eranian <[email protected]> 13 */ 14 #include <linux/init.h> 15 #include <linux/string.h> 16 #include <linux/time.h> 17 #include <linux/types.h> 18 #include <linux/proc_fs.h> 19 #include <linux/rtc.h> 20 #include <linux/ioport.h> 21 #include <linux/pfn.h> 22 #include <linux/pstore.h> 23 #include <linux/reboot.h> 24 25 #include <asm/page.h> 26 27 #define EFI_SUCCESS 0 28 #define EFI_LOAD_ERROR ( 1 | (1UL << (BITS_PER_LONG-1))) 29 #define EFI_INVALID_PARAMETER ( 2 | (1UL << (BITS_PER_LONG-1))) 30 #define EFI_UNSUPPORTED ( 3 | (1UL << (BITS_PER_LONG-1))) 31 #define EFI_BAD_BUFFER_SIZE ( 4 | (1UL << (BITS_PER_LONG-1))) 32 #define EFI_BUFFER_TOO_SMALL ( 5 | (1UL << (BITS_PER_LONG-1))) 33 #define EFI_NOT_READY ( 6 | (1UL << (BITS_PER_LONG-1))) 34 #define EFI_DEVICE_ERROR ( 7 | (1UL << (BITS_PER_LONG-1))) 35 #define EFI_WRITE_PROTECTED ( 8 | (1UL << (BITS_PER_LONG-1))) 36 #define EFI_OUT_OF_RESOURCES ( 9 | (1UL << (BITS_PER_LONG-1))) 37 #define EFI_NOT_FOUND (14 | (1UL << (BITS_PER_LONG-1))) 38 #define EFI_SECURITY_VIOLATION (26 | (1UL << (BITS_PER_LONG-1))) 39 40 typedef unsigned long efi_status_t; 41 typedef u8 efi_bool_t; 42 typedef u16 efi_char16_t; /* UNICODE character */ 43 typedef u64 efi_physical_addr_t; 44 typedef void *efi_handle_t; 45 46 47 typedef struct { 48 u8 b[16]; 49 } efi_guid_t; 50 51 #define EFI_GUID(a,b,c,d0,d1,d2,d3,d4,d5,d6,d7) \ 52 ((efi_guid_t) \ 53 {{ (a) & 0xff, ((a) >> 8) & 0xff, ((a) >> 16) & 0xff, ((a) >> 24) & 0xff, \ 54 (b) & 0xff, ((b) >> 8) & 0xff, \ 55 (c) & 0xff, ((c) >> 8) & 0xff, \ 56 (d0), (d1), (d2), (d3), (d4), (d5), (d6), (d7) }}) 57 58 /* 59 * Generic EFI table header 60 */ 61 typedef struct { 62 u64 signature; 63 u32 revision; 64 u32 headersize; 65 u32 crc32; 66 u32 reserved; 67 } efi_table_hdr_t; 68 69 /* 70 * Memory map descriptor: 71 */ 72 73 /* Memory types: */ 74 #define EFI_RESERVED_TYPE 0 75 #define EFI_LOADER_CODE 1 76 #define EFI_LOADER_DATA 2 77 #define EFI_BOOT_SERVICES_CODE 3 78 #define EFI_BOOT_SERVICES_DATA 4 79 #define EFI_RUNTIME_SERVICES_CODE 5 80 #define EFI_RUNTIME_SERVICES_DATA 6 81 #define EFI_CONVENTIONAL_MEMORY 7 82 #define EFI_UNUSABLE_MEMORY 8 83 #define EFI_ACPI_RECLAIM_MEMORY 9 84 #define EFI_ACPI_MEMORY_NVS 10 85 #define EFI_MEMORY_MAPPED_IO 11 86 #define EFI_MEMORY_MAPPED_IO_PORT_SPACE 12 87 #define EFI_PAL_CODE 13 88 #define EFI_MAX_MEMORY_TYPE 14 89 90 /* Attribute values: */ 91 #define EFI_MEMORY_UC ((u64)0x0000000000000001ULL) /* uncached */ 92 #define EFI_MEMORY_WC ((u64)0x0000000000000002ULL) /* write-coalescing */ 93 #define EFI_MEMORY_WT ((u64)0x0000000000000004ULL) /* write-through */ 94 #define EFI_MEMORY_WB ((u64)0x0000000000000008ULL) /* write-back */ 95 #define EFI_MEMORY_WP ((u64)0x0000000000001000ULL) /* write-protect */ 96 #define EFI_MEMORY_RP ((u64)0x0000000000002000ULL) /* read-protect */ 97 #define EFI_MEMORY_XP ((u64)0x0000000000004000ULL) /* execute-protect */ 98 #define EFI_MEMORY_RUNTIME ((u64)0x8000000000000000ULL) /* range requires runtime mapping */ 99 #define EFI_MEMORY_DESCRIPTOR_VERSION 1 100 101 #define EFI_PAGE_SHIFT 12 102 #define EFI_PAGE_SIZE (1UL << EFI_PAGE_SHIFT) 103 104 typedef struct { 105 u32 type; 106 u32 pad; 107 u64 phys_addr; 108 u64 virt_addr; 109 u64 num_pages; 110 u64 attribute; 111 } efi_memory_desc_t; 112 113 typedef struct { 114 efi_guid_t guid; 115 u32 headersize; 116 u32 flags; 117 u32 imagesize; 118 } efi_capsule_header_t; 119 120 /* 121 * Allocation types for calls to boottime->allocate_pages. 122 */ 123 #define EFI_ALLOCATE_ANY_PAGES 0 124 #define EFI_ALLOCATE_MAX_ADDRESS 1 125 #define EFI_ALLOCATE_ADDRESS 2 126 #define EFI_MAX_ALLOCATE_TYPE 3 127 128 typedef int (*efi_freemem_callback_t) (u64 start, u64 end, void *arg); 129 130 /* 131 * Types and defines for Time Services 132 */ 133 #define EFI_TIME_ADJUST_DAYLIGHT 0x1 134 #define EFI_TIME_IN_DAYLIGHT 0x2 135 #define EFI_UNSPECIFIED_TIMEZONE 0x07ff 136 137 typedef struct { 138 u16 year; 139 u8 month; 140 u8 day; 141 u8 hour; 142 u8 minute; 143 u8 second; 144 u8 pad1; 145 u32 nanosecond; 146 s16 timezone; 147 u8 daylight; 148 u8 pad2; 149 } efi_time_t; 150 151 typedef struct { 152 u32 resolution; 153 u32 accuracy; 154 u8 sets_to_zero; 155 } efi_time_cap_t; 156 157 typedef struct { 158 efi_table_hdr_t hdr; 159 u32 raise_tpl; 160 u32 restore_tpl; 161 u32 allocate_pages; 162 u32 free_pages; 163 u32 get_memory_map; 164 u32 allocate_pool; 165 u32 free_pool; 166 u32 create_event; 167 u32 set_timer; 168 u32 wait_for_event; 169 u32 signal_event; 170 u32 close_event; 171 u32 check_event; 172 u32 install_protocol_interface; 173 u32 reinstall_protocol_interface; 174 u32 uninstall_protocol_interface; 175 u32 handle_protocol; 176 u32 __reserved; 177 u32 register_protocol_notify; 178 u32 locate_handle; 179 u32 locate_device_path; 180 u32 install_configuration_table; 181 u32 load_image; 182 u32 start_image; 183 u32 exit; 184 u32 unload_image; 185 u32 exit_boot_services; 186 u32 get_next_monotonic_count; 187 u32 stall; 188 u32 set_watchdog_timer; 189 u32 connect_controller; 190 u32 disconnect_controller; 191 u32 open_protocol; 192 u32 close_protocol; 193 u32 open_protocol_information; 194 u32 protocols_per_handle; 195 u32 locate_handle_buffer; 196 u32 locate_protocol; 197 u32 install_multiple_protocol_interfaces; 198 u32 uninstall_multiple_protocol_interfaces; 199 u32 calculate_crc32; 200 u32 copy_mem; 201 u32 set_mem; 202 u32 create_event_ex; 203 } __packed efi_boot_services_32_t; 204 205 typedef struct { 206 efi_table_hdr_t hdr; 207 u64 raise_tpl; 208 u64 restore_tpl; 209 u64 allocate_pages; 210 u64 free_pages; 211 u64 get_memory_map; 212 u64 allocate_pool; 213 u64 free_pool; 214 u64 create_event; 215 u64 set_timer; 216 u64 wait_for_event; 217 u64 signal_event; 218 u64 close_event; 219 u64 check_event; 220 u64 install_protocol_interface; 221 u64 reinstall_protocol_interface; 222 u64 uninstall_protocol_interface; 223 u64 handle_protocol; 224 u64 __reserved; 225 u64 register_protocol_notify; 226 u64 locate_handle; 227 u64 locate_device_path; 228 u64 install_configuration_table; 229 u64 load_image; 230 u64 start_image; 231 u64 exit; 232 u64 unload_image; 233 u64 exit_boot_services; 234 u64 get_next_monotonic_count; 235 u64 stall; 236 u64 set_watchdog_timer; 237 u64 connect_controller; 238 u64 disconnect_controller; 239 u64 open_protocol; 240 u64 close_protocol; 241 u64 open_protocol_information; 242 u64 protocols_per_handle; 243 u64 locate_handle_buffer; 244 u64 locate_protocol; 245 u64 install_multiple_protocol_interfaces; 246 u64 uninstall_multiple_protocol_interfaces; 247 u64 calculate_crc32; 248 u64 copy_mem; 249 u64 set_mem; 250 u64 create_event_ex; 251 } __packed efi_boot_services_64_t; 252 253 /* 254 * EFI Boot Services table 255 */ 256 typedef struct { 257 efi_table_hdr_t hdr; 258 void *raise_tpl; 259 void *restore_tpl; 260 efi_status_t (*allocate_pages)(int, int, unsigned long, 261 efi_physical_addr_t *); 262 efi_status_t (*free_pages)(efi_physical_addr_t, unsigned long); 263 efi_status_t (*get_memory_map)(unsigned long *, void *, unsigned long *, 264 unsigned long *, u32 *); 265 efi_status_t (*allocate_pool)(int, unsigned long, void **); 266 efi_status_t (*free_pool)(void *); 267 void *create_event; 268 void *set_timer; 269 void *wait_for_event; 270 void *signal_event; 271 void *close_event; 272 void *check_event; 273 void *install_protocol_interface; 274 void *reinstall_protocol_interface; 275 void *uninstall_protocol_interface; 276 efi_status_t (*handle_protocol)(efi_handle_t, efi_guid_t *, void **); 277 void *__reserved; 278 void *register_protocol_notify; 279 void *locate_handle; 280 void *locate_device_path; 281 void *install_configuration_table; 282 void *load_image; 283 void *start_image; 284 void *exit; 285 void *unload_image; 286 efi_status_t (*exit_boot_services)(efi_handle_t, unsigned long); 287 void *get_next_monotonic_count; 288 void *stall; 289 void *set_watchdog_timer; 290 void *connect_controller; 291 void *disconnect_controller; 292 void *open_protocol; 293 void *close_protocol; 294 void *open_protocol_information; 295 void *protocols_per_handle; 296 void *locate_handle_buffer; 297 void *locate_protocol; 298 void *install_multiple_protocol_interfaces; 299 void *uninstall_multiple_protocol_interfaces; 300 void *calculate_crc32; 301 void *copy_mem; 302 void *set_mem; 303 void *create_event_ex; 304 } efi_boot_services_t; 305 306 typedef enum { 307 EfiPciIoWidthUint8, 308 EfiPciIoWidthUint16, 309 EfiPciIoWidthUint32, 310 EfiPciIoWidthUint64, 311 EfiPciIoWidthFifoUint8, 312 EfiPciIoWidthFifoUint16, 313 EfiPciIoWidthFifoUint32, 314 EfiPciIoWidthFifoUint64, 315 EfiPciIoWidthFillUint8, 316 EfiPciIoWidthFillUint16, 317 EfiPciIoWidthFillUint32, 318 EfiPciIoWidthFillUint64, 319 EfiPciIoWidthMaximum 320 } EFI_PCI_IO_PROTOCOL_WIDTH; 321 322 typedef enum { 323 EfiPciIoAttributeOperationGet, 324 EfiPciIoAttributeOperationSet, 325 EfiPciIoAttributeOperationEnable, 326 EfiPciIoAttributeOperationDisable, 327 EfiPciIoAttributeOperationSupported, 328 EfiPciIoAttributeOperationMaximum 329 } EFI_PCI_IO_PROTOCOL_ATTRIBUTE_OPERATION; 330 331 typedef struct { 332 u32 read; 333 u32 write; 334 } efi_pci_io_protocol_access_32_t; 335 336 typedef struct { 337 u64 read; 338 u64 write; 339 } efi_pci_io_protocol_access_64_t; 340 341 typedef struct { 342 void *read; 343 void *write; 344 } efi_pci_io_protocol_access_t; 345 346 typedef struct { 347 u32 poll_mem; 348 u32 poll_io; 349 efi_pci_io_protocol_access_32_t mem; 350 efi_pci_io_protocol_access_32_t io; 351 efi_pci_io_protocol_access_32_t pci; 352 u32 copy_mem; 353 u32 map; 354 u32 unmap; 355 u32 allocate_buffer; 356 u32 free_buffer; 357 u32 flush; 358 u32 get_location; 359 u32 attributes; 360 u32 get_bar_attributes; 361 u32 set_bar_attributes; 362 uint64_t romsize; 363 void *romimage; 364 } efi_pci_io_protocol_32; 365 366 typedef struct { 367 u64 poll_mem; 368 u64 poll_io; 369 efi_pci_io_protocol_access_64_t mem; 370 efi_pci_io_protocol_access_64_t io; 371 efi_pci_io_protocol_access_64_t pci; 372 u64 copy_mem; 373 u64 map; 374 u64 unmap; 375 u64 allocate_buffer; 376 u64 free_buffer; 377 u64 flush; 378 u64 get_location; 379 u64 attributes; 380 u64 get_bar_attributes; 381 u64 set_bar_attributes; 382 uint64_t romsize; 383 void *romimage; 384 } efi_pci_io_protocol_64; 385 386 typedef struct { 387 void *poll_mem; 388 void *poll_io; 389 efi_pci_io_protocol_access_t mem; 390 efi_pci_io_protocol_access_t io; 391 efi_pci_io_protocol_access_t pci; 392 void *copy_mem; 393 void *map; 394 void *unmap; 395 void *allocate_buffer; 396 void *free_buffer; 397 void *flush; 398 void *get_location; 399 void *attributes; 400 void *get_bar_attributes; 401 void *set_bar_attributes; 402 uint64_t romsize; 403 void *romimage; 404 } efi_pci_io_protocol; 405 406 #define EFI_PCI_IO_ATTRIBUTE_ISA_MOTHERBOARD_IO 0x0001 407 #define EFI_PCI_IO_ATTRIBUTE_ISA_IO 0x0002 408 #define EFI_PCI_IO_ATTRIBUTE_VGA_PALETTE_IO 0x0004 409 #define EFI_PCI_IO_ATTRIBUTE_VGA_MEMORY 0x0008 410 #define EFI_PCI_IO_ATTRIBUTE_VGA_IO 0x0010 411 #define EFI_PCI_IO_ATTRIBUTE_IDE_PRIMARY_IO 0x0020 412 #define EFI_PCI_IO_ATTRIBUTE_IDE_SECONDARY_IO 0x0040 413 #define EFI_PCI_IO_ATTRIBUTE_MEMORY_WRITE_COMBINE 0x0080 414 #define EFI_PCI_IO_ATTRIBUTE_IO 0x0100 415 #define EFI_PCI_IO_ATTRIBUTE_MEMORY 0x0200 416 #define EFI_PCI_IO_ATTRIBUTE_BUS_MASTER 0x0400 417 #define EFI_PCI_IO_ATTRIBUTE_MEMORY_CACHED 0x0800 418 #define EFI_PCI_IO_ATTRIBUTE_MEMORY_DISABLE 0x1000 419 #define EFI_PCI_IO_ATTRIBUTE_EMBEDDED_DEVICE 0x2000 420 #define EFI_PCI_IO_ATTRIBUTE_EMBEDDED_ROM 0x4000 421 #define EFI_PCI_IO_ATTRIBUTE_DUAL_ADDRESS_CYCLE 0x8000 422 #define EFI_PCI_IO_ATTRIBUTE_ISA_IO_16 0x10000 423 #define EFI_PCI_IO_ATTRIBUTE_VGA_PALETTE_IO_16 0x20000 424 #define EFI_PCI_IO_ATTRIBUTE_VGA_IO_16 0x40000 425 426 /* 427 * Types and defines for EFI ResetSystem 428 */ 429 #define EFI_RESET_COLD 0 430 #define EFI_RESET_WARM 1 431 #define EFI_RESET_SHUTDOWN 2 432 433 /* 434 * EFI Runtime Services table 435 */ 436 #define EFI_RUNTIME_SERVICES_SIGNATURE ((u64)0x5652453544e5552ULL) 437 #define EFI_RUNTIME_SERVICES_REVISION 0x00010000 438 439 typedef struct { 440 efi_table_hdr_t hdr; 441 u32 get_time; 442 u32 set_time; 443 u32 get_wakeup_time; 444 u32 set_wakeup_time; 445 u32 set_virtual_address_map; 446 u32 convert_pointer; 447 u32 get_variable; 448 u32 get_next_variable; 449 u32 set_variable; 450 u32 get_next_high_mono_count; 451 u32 reset_system; 452 u32 update_capsule; 453 u32 query_capsule_caps; 454 u32 query_variable_info; 455 } efi_runtime_services_32_t; 456 457 typedef struct { 458 efi_table_hdr_t hdr; 459 u64 get_time; 460 u64 set_time; 461 u64 get_wakeup_time; 462 u64 set_wakeup_time; 463 u64 set_virtual_address_map; 464 u64 convert_pointer; 465 u64 get_variable; 466 u64 get_next_variable; 467 u64 set_variable; 468 u64 get_next_high_mono_count; 469 u64 reset_system; 470 u64 update_capsule; 471 u64 query_capsule_caps; 472 u64 query_variable_info; 473 } efi_runtime_services_64_t; 474 475 typedef struct { 476 efi_table_hdr_t hdr; 477 void *get_time; 478 void *set_time; 479 void *get_wakeup_time; 480 void *set_wakeup_time; 481 void *set_virtual_address_map; 482 void *convert_pointer; 483 void *get_variable; 484 void *get_next_variable; 485 void *set_variable; 486 void *get_next_high_mono_count; 487 void *reset_system; 488 void *update_capsule; 489 void *query_capsule_caps; 490 void *query_variable_info; 491 } efi_runtime_services_t; 492 493 typedef efi_status_t efi_get_time_t (efi_time_t *tm, efi_time_cap_t *tc); 494 typedef efi_status_t efi_set_time_t (efi_time_t *tm); 495 typedef efi_status_t efi_get_wakeup_time_t (efi_bool_t *enabled, efi_bool_t *pending, 496 efi_time_t *tm); 497 typedef efi_status_t efi_set_wakeup_time_t (efi_bool_t enabled, efi_time_t *tm); 498 typedef efi_status_t efi_get_variable_t (efi_char16_t *name, efi_guid_t *vendor, u32 *attr, 499 unsigned long *data_size, void *data); 500 typedef efi_status_t efi_get_next_variable_t (unsigned long *name_size, efi_char16_t *name, 501 efi_guid_t *vendor); 502 typedef efi_status_t efi_set_variable_t (efi_char16_t *name, efi_guid_t *vendor, 503 u32 attr, unsigned long data_size, 504 void *data); 505 typedef efi_status_t efi_get_next_high_mono_count_t (u32 *count); 506 typedef void efi_reset_system_t (int reset_type, efi_status_t status, 507 unsigned long data_size, efi_char16_t *data); 508 typedef efi_status_t efi_set_virtual_address_map_t (unsigned long memory_map_size, 509 unsigned long descriptor_size, 510 u32 descriptor_version, 511 efi_memory_desc_t *virtual_map); 512 typedef efi_status_t efi_query_variable_info_t(u32 attr, 513 u64 *storage_space, 514 u64 *remaining_space, 515 u64 *max_variable_size); 516 typedef efi_status_t efi_update_capsule_t(efi_capsule_header_t **capsules, 517 unsigned long count, 518 unsigned long sg_list); 519 typedef efi_status_t efi_query_capsule_caps_t(efi_capsule_header_t **capsules, 520 unsigned long count, 521 u64 *max_size, 522 int *reset_type); 523 typedef efi_status_t efi_query_variable_store_t(u32 attributes, unsigned long size); 524 525 void efi_native_runtime_setup(void); 526 527 /* 528 * EFI Configuration Table and GUID definitions 529 */ 530 #define NULL_GUID \ 531 EFI_GUID( 0x00000000, 0x0000, 0x0000, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 ) 532 533 #define MPS_TABLE_GUID \ 534 EFI_GUID( 0xeb9d2d2f, 0x2d88, 0x11d3, 0x9a, 0x16, 0x0, 0x90, 0x27, 0x3f, 0xc1, 0x4d ) 535 536 #define ACPI_TABLE_GUID \ 537 EFI_GUID( 0xeb9d2d30, 0x2d88, 0x11d3, 0x9a, 0x16, 0x0, 0x90, 0x27, 0x3f, 0xc1, 0x4d ) 538 539 #define ACPI_20_TABLE_GUID \ 540 EFI_GUID( 0x8868e871, 0xe4f1, 0x11d3, 0xbc, 0x22, 0x0, 0x80, 0xc7, 0x3c, 0x88, 0x81 ) 541 542 #define SMBIOS_TABLE_GUID \ 543 EFI_GUID( 0xeb9d2d31, 0x2d88, 0x11d3, 0x9a, 0x16, 0x0, 0x90, 0x27, 0x3f, 0xc1, 0x4d ) 544 545 #define SAL_SYSTEM_TABLE_GUID \ 546 EFI_GUID( 0xeb9d2d32, 0x2d88, 0x11d3, 0x9a, 0x16, 0x0, 0x90, 0x27, 0x3f, 0xc1, 0x4d ) 547 548 #define HCDP_TABLE_GUID \ 549 EFI_GUID( 0xf951938d, 0x620b, 0x42ef, 0x82, 0x79, 0xa8, 0x4b, 0x79, 0x61, 0x78, 0x98 ) 550 551 #define UGA_IO_PROTOCOL_GUID \ 552 EFI_GUID( 0x61a4d49e, 0x6f68, 0x4f1b, 0xb9, 0x22, 0xa8, 0x6e, 0xed, 0xb, 0x7, 0xa2 ) 553 554 #define EFI_GLOBAL_VARIABLE_GUID \ 555 EFI_GUID( 0x8be4df61, 0x93ca, 0x11d2, 0xaa, 0x0d, 0x00, 0xe0, 0x98, 0x03, 0x2b, 0x8c ) 556 557 #define UV_SYSTEM_TABLE_GUID \ 558 EFI_GUID( 0x3b13a7d4, 0x633e, 0x11dd, 0x93, 0xec, 0xda, 0x25, 0x56, 0xd8, 0x95, 0x93 ) 559 560 #define LINUX_EFI_CRASH_GUID \ 561 EFI_GUID( 0xcfc8fc79, 0xbe2e, 0x4ddc, 0x97, 0xf0, 0x9f, 0x98, 0xbf, 0xe2, 0x98, 0xa0 ) 562 563 #define LOADED_IMAGE_PROTOCOL_GUID \ 564 EFI_GUID( 0x5b1b31a1, 0x9562, 0x11d2, 0x8e, 0x3f, 0x00, 0xa0, 0xc9, 0x69, 0x72, 0x3b ) 565 566 #define EFI_GRAPHICS_OUTPUT_PROTOCOL_GUID \ 567 EFI_GUID( 0x9042a9de, 0x23dc, 0x4a38, 0x96, 0xfb, 0x7a, 0xde, 0xd0, 0x80, 0x51, 0x6a ) 568 569 #define EFI_UGA_PROTOCOL_GUID \ 570 EFI_GUID( 0x982c298b, 0xf4fa, 0x41cb, 0xb8, 0x38, 0x77, 0xaa, 0x68, 0x8f, 0xb8, 0x39 ) 571 572 #define EFI_PCI_IO_PROTOCOL_GUID \ 573 EFI_GUID( 0x4cf5b200, 0x68b8, 0x4ca5, 0x9e, 0xec, 0xb2, 0x3e, 0x3f, 0x50, 0x2, 0x9a ) 574 575 #define EFI_FILE_INFO_ID \ 576 EFI_GUID( 0x9576e92, 0x6d3f, 0x11d2, 0x8e, 0x39, 0x00, 0xa0, 0xc9, 0x69, 0x72, 0x3b ) 577 578 #define EFI_FILE_SYSTEM_GUID \ 579 EFI_GUID( 0x964e5b22, 0x6459, 0x11d2, 0x8e, 0x39, 0x00, 0xa0, 0xc9, 0x69, 0x72, 0x3b ) 580 581 #define DEVICE_TREE_GUID \ 582 EFI_GUID( 0xb1b621d5, 0xf19c, 0x41a5, 0x83, 0x0b, 0xd9, 0x15, 0x2c, 0x69, 0xaa, 0xe0 ) 583 584 typedef struct { 585 efi_guid_t guid; 586 u64 table; 587 } efi_config_table_64_t; 588 589 typedef struct { 590 efi_guid_t guid; 591 u32 table; 592 } efi_config_table_32_t; 593 594 typedef struct { 595 efi_guid_t guid; 596 unsigned long table; 597 } efi_config_table_t; 598 599 typedef struct { 600 efi_guid_t guid; 601 const char *name; 602 unsigned long *ptr; 603 } efi_config_table_type_t; 604 605 #define EFI_SYSTEM_TABLE_SIGNATURE ((u64)0x5453595320494249ULL) 606 607 #define EFI_2_30_SYSTEM_TABLE_REVISION ((2 << 16) | (30)) 608 #define EFI_2_20_SYSTEM_TABLE_REVISION ((2 << 16) | (20)) 609 #define EFI_2_10_SYSTEM_TABLE_REVISION ((2 << 16) | (10)) 610 #define EFI_2_00_SYSTEM_TABLE_REVISION ((2 << 16) | (00)) 611 #define EFI_1_10_SYSTEM_TABLE_REVISION ((1 << 16) | (10)) 612 #define EFI_1_02_SYSTEM_TABLE_REVISION ((1 << 16) | (02)) 613 614 typedef struct { 615 efi_table_hdr_t hdr; 616 u64 fw_vendor; /* physical addr of CHAR16 vendor string */ 617 u32 fw_revision; 618 u32 __pad1; 619 u64 con_in_handle; 620 u64 con_in; 621 u64 con_out_handle; 622 u64 con_out; 623 u64 stderr_handle; 624 u64 stderr; 625 u64 runtime; 626 u64 boottime; 627 u32 nr_tables; 628 u32 __pad2; 629 u64 tables; 630 } efi_system_table_64_t; 631 632 typedef struct { 633 efi_table_hdr_t hdr; 634 u32 fw_vendor; /* physical addr of CHAR16 vendor string */ 635 u32 fw_revision; 636 u32 con_in_handle; 637 u32 con_in; 638 u32 con_out_handle; 639 u32 con_out; 640 u32 stderr_handle; 641 u32 stderr; 642 u32 runtime; 643 u32 boottime; 644 u32 nr_tables; 645 u32 tables; 646 } efi_system_table_32_t; 647 648 typedef struct { 649 efi_table_hdr_t hdr; 650 unsigned long fw_vendor; /* physical addr of CHAR16 vendor string */ 651 u32 fw_revision; 652 unsigned long con_in_handle; 653 unsigned long con_in; 654 unsigned long con_out_handle; 655 unsigned long con_out; 656 unsigned long stderr_handle; 657 unsigned long stderr; 658 efi_runtime_services_t *runtime; 659 efi_boot_services_t *boottime; 660 unsigned long nr_tables; 661 unsigned long tables; 662 } efi_system_table_t; 663 664 struct efi_memory_map { 665 void *phys_map; 666 void *map; 667 void *map_end; 668 int nr_map; 669 unsigned long desc_version; 670 unsigned long desc_size; 671 }; 672 673 struct efi_fdt_params { 674 u64 system_table; 675 u64 mmap; 676 u32 mmap_size; 677 u32 desc_size; 678 u32 desc_ver; 679 }; 680 681 typedef struct { 682 u32 revision; 683 u32 parent_handle; 684 u32 system_table; 685 u32 device_handle; 686 u32 file_path; 687 u32 reserved; 688 u32 load_options_size; 689 u32 load_options; 690 u32 image_base; 691 __aligned_u64 image_size; 692 unsigned int image_code_type; 693 unsigned int image_data_type; 694 unsigned long unload; 695 } efi_loaded_image_32_t; 696 697 typedef struct { 698 u32 revision; 699 u64 parent_handle; 700 u64 system_table; 701 u64 device_handle; 702 u64 file_path; 703 u64 reserved; 704 u32 load_options_size; 705 u64 load_options; 706 u64 image_base; 707 __aligned_u64 image_size; 708 unsigned int image_code_type; 709 unsigned int image_data_type; 710 unsigned long unload; 711 } efi_loaded_image_64_t; 712 713 typedef struct { 714 u32 revision; 715 void *parent_handle; 716 efi_system_table_t *system_table; 717 void *device_handle; 718 void *file_path; 719 void *reserved; 720 u32 load_options_size; 721 void *load_options; 722 void *image_base; 723 __aligned_u64 image_size; 724 unsigned int image_code_type; 725 unsigned int image_data_type; 726 unsigned long unload; 727 } efi_loaded_image_t; 728 729 730 typedef struct { 731 u64 size; 732 u64 file_size; 733 u64 phys_size; 734 efi_time_t create_time; 735 efi_time_t last_access_time; 736 efi_time_t modification_time; 737 __aligned_u64 attribute; 738 efi_char16_t filename[1]; 739 } efi_file_info_t; 740 741 typedef struct { 742 u64 revision; 743 u32 open; 744 u32 close; 745 u32 delete; 746 u32 read; 747 u32 write; 748 u32 get_position; 749 u32 set_position; 750 u32 get_info; 751 u32 set_info; 752 u32 flush; 753 } efi_file_handle_32_t; 754 755 typedef struct { 756 u64 revision; 757 u64 open; 758 u64 close; 759 u64 delete; 760 u64 read; 761 u64 write; 762 u64 get_position; 763 u64 set_position; 764 u64 get_info; 765 u64 set_info; 766 u64 flush; 767 } efi_file_handle_64_t; 768 769 typedef struct _efi_file_handle { 770 u64 revision; 771 efi_status_t (*open)(struct _efi_file_handle *, 772 struct _efi_file_handle **, 773 efi_char16_t *, u64, u64); 774 efi_status_t (*close)(struct _efi_file_handle *); 775 void *delete; 776 efi_status_t (*read)(struct _efi_file_handle *, unsigned long *, 777 void *); 778 void *write; 779 void *get_position; 780 void *set_position; 781 efi_status_t (*get_info)(struct _efi_file_handle *, efi_guid_t *, 782 unsigned long *, void *); 783 void *set_info; 784 void *flush; 785 } efi_file_handle_t; 786 787 typedef struct _efi_file_io_interface { 788 u64 revision; 789 int (*open_volume)(struct _efi_file_io_interface *, 790 efi_file_handle_t **); 791 } efi_file_io_interface_t; 792 793 #define EFI_FILE_MODE_READ 0x0000000000000001 794 #define EFI_FILE_MODE_WRITE 0x0000000000000002 795 #define EFI_FILE_MODE_CREATE 0x8000000000000000 796 797 #define EFI_INVALID_TABLE_ADDR (~0UL) 798 799 /* 800 * All runtime access to EFI goes through this structure: 801 */ 802 extern struct efi { 803 efi_system_table_t *systab; /* EFI system table */ 804 unsigned int runtime_version; /* Runtime services version */ 805 unsigned long mps; /* MPS table */ 806 unsigned long acpi; /* ACPI table (IA64 ext 0.71) */ 807 unsigned long acpi20; /* ACPI table (ACPI 2.0) */ 808 unsigned long smbios; /* SM BIOS table */ 809 unsigned long sal_systab; /* SAL system table */ 810 unsigned long boot_info; /* boot info table */ 811 unsigned long hcdp; /* HCDP table */ 812 unsigned long uga; /* UGA table */ 813 unsigned long uv_systab; /* UV system table */ 814 unsigned long fw_vendor; /* fw_vendor */ 815 unsigned long runtime; /* runtime table */ 816 unsigned long config_table; /* config tables */ 817 efi_get_time_t *get_time; 818 efi_set_time_t *set_time; 819 efi_get_wakeup_time_t *get_wakeup_time; 820 efi_set_wakeup_time_t *set_wakeup_time; 821 efi_get_variable_t *get_variable; 822 efi_get_next_variable_t *get_next_variable; 823 efi_set_variable_t *set_variable; 824 efi_query_variable_info_t *query_variable_info; 825 efi_update_capsule_t *update_capsule; 826 efi_query_capsule_caps_t *query_capsule_caps; 827 efi_get_next_high_mono_count_t *get_next_high_mono_count; 828 efi_reset_system_t *reset_system; 829 efi_set_virtual_address_map_t *set_virtual_address_map; 830 struct efi_memory_map *memmap; 831 unsigned long flags; 832 } efi; 833 834 static inline int 835 efi_guidcmp (efi_guid_t left, efi_guid_t right) 836 { 837 return memcmp(&left, &right, sizeof (efi_guid_t)); 838 } 839 840 static inline char * 841 efi_guid_unparse(efi_guid_t *guid, char *out) 842 { 843 sprintf(out, "%pUl", guid->b); 844 return out; 845 } 846 847 extern void efi_init (void); 848 extern void *efi_get_pal_addr (void); 849 extern void efi_map_pal_code (void); 850 extern void efi_memmap_walk (efi_freemem_callback_t callback, void *arg); 851 extern void efi_gettimeofday (struct timespec *ts); 852 extern void efi_enter_virtual_mode (void); /* switch EFI to virtual mode, if possible */ 853 #ifdef CONFIG_X86 854 extern void efi_late_init(void); 855 extern void efi_free_boot_services(void); 856 extern efi_status_t efi_query_variable_store(u32 attributes, unsigned long size); 857 #else 858 static inline void efi_late_init(void) {} 859 static inline void efi_free_boot_services(void) {} 860 861 static inline efi_status_t efi_query_variable_store(u32 attributes, unsigned long size) 862 { 863 return EFI_SUCCESS; 864 } 865 #endif 866 extern void __iomem *efi_lookup_mapped_addr(u64 phys_addr); 867 extern int efi_config_init(efi_config_table_type_t *arch_tables); 868 extern u64 efi_get_iobase (void); 869 extern u32 efi_mem_type (unsigned long phys_addr); 870 extern u64 efi_mem_attributes (unsigned long phys_addr); 871 extern u64 efi_mem_attribute (unsigned long phys_addr, unsigned long size); 872 extern int __init efi_uart_console_only (void); 873 extern void efi_initialize_iomem_resources(struct resource *code_resource, 874 struct resource *data_resource, struct resource *bss_resource); 875 extern void efi_get_time(struct timespec *now); 876 extern void efi_reserve_boot_services(void); 877 extern int efi_get_fdt_params(struct efi_fdt_params *params, int verbose); 878 extern struct efi_memory_map memmap; 879 880 extern int efi_reboot_quirk_mode; 881 extern bool efi_poweroff_required(void); 882 883 /* Iterate through an efi_memory_map */ 884 #define for_each_efi_memory_desc(m, md) \ 885 for ((md) = (m)->map; \ 886 (md) <= (efi_memory_desc_t *)((m)->map_end - (m)->desc_size); \ 887 (md) = (void *)(md) + (m)->desc_size) 888 889 /** 890 * efi_range_is_wc - check the WC bit on an address range 891 * @start: starting kvirt address 892 * @len: length of range 893 * 894 * Consult the EFI memory map and make sure it's ok to set this range WC. 895 * Returns true or false. 896 */ 897 static inline int efi_range_is_wc(unsigned long start, unsigned long len) 898 { 899 unsigned long i; 900 901 for (i = 0; i < len; i += (1UL << EFI_PAGE_SHIFT)) { 902 unsigned long paddr = __pa(start + i); 903 if (!(efi_mem_attributes(paddr) & EFI_MEMORY_WC)) 904 return 0; 905 } 906 /* The range checked out */ 907 return 1; 908 } 909 910 #ifdef CONFIG_EFI_PCDP 911 extern int __init efi_setup_pcdp_console(char *); 912 #endif 913 914 /* 915 * We play games with efi_enabled so that the compiler will, if 916 * possible, remove EFI-related code altogether. 917 */ 918 #define EFI_BOOT 0 /* Were we booted from EFI? */ 919 #define EFI_SYSTEM_TABLES 1 /* Can we use EFI system tables? */ 920 #define EFI_CONFIG_TABLES 2 /* Can we use EFI config tables? */ 921 #define EFI_RUNTIME_SERVICES 3 /* Can we use runtime services? */ 922 #define EFI_MEMMAP 4 /* Can we use EFI memory map? */ 923 #define EFI_64BIT 5 /* Is the firmware 64-bit? */ 924 #define EFI_PARAVIRT 6 /* Access is via a paravirt interface */ 925 #define EFI_ARCH_1 7 /* First arch-specific bit */ 926 927 #ifdef CONFIG_EFI 928 /* 929 * Test whether the above EFI_* bits are enabled. 930 */ 931 static inline bool efi_enabled(int feature) 932 { 933 return test_bit(feature, &efi.flags) != 0; 934 } 935 extern void efi_reboot(enum reboot_mode reboot_mode, const char *__unused); 936 #else 937 static inline bool efi_enabled(int feature) 938 { 939 return false; 940 } 941 static inline void 942 efi_reboot(enum reboot_mode reboot_mode, const char *__unused) {} 943 #endif 944 945 /* 946 * Variable Attributes 947 */ 948 #define EFI_VARIABLE_NON_VOLATILE 0x0000000000000001 949 #define EFI_VARIABLE_BOOTSERVICE_ACCESS 0x0000000000000002 950 #define EFI_VARIABLE_RUNTIME_ACCESS 0x0000000000000004 951 #define EFI_VARIABLE_HARDWARE_ERROR_RECORD 0x0000000000000008 952 #define EFI_VARIABLE_AUTHENTICATED_WRITE_ACCESS 0x0000000000000010 953 #define EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACCESS 0x0000000000000020 954 #define EFI_VARIABLE_APPEND_WRITE 0x0000000000000040 955 956 #define EFI_VARIABLE_MASK (EFI_VARIABLE_NON_VOLATILE | \ 957 EFI_VARIABLE_BOOTSERVICE_ACCESS | \ 958 EFI_VARIABLE_RUNTIME_ACCESS | \ 959 EFI_VARIABLE_HARDWARE_ERROR_RECORD | \ 960 EFI_VARIABLE_AUTHENTICATED_WRITE_ACCESS | \ 961 EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACCESS | \ 962 EFI_VARIABLE_APPEND_WRITE) 963 /* 964 * Length of a GUID string (strlen("aaaaaaaa-bbbb-cccc-dddd-eeeeeeeeeeee")) 965 * not including trailing NUL 966 */ 967 #define EFI_VARIABLE_GUID_LEN 36 968 969 /* 970 * The type of search to perform when calling boottime->locate_handle 971 */ 972 #define EFI_LOCATE_ALL_HANDLES 0 973 #define EFI_LOCATE_BY_REGISTER_NOTIFY 1 974 #define EFI_LOCATE_BY_PROTOCOL 2 975 976 /* 977 * EFI Device Path information 978 */ 979 #define EFI_DEV_HW 0x01 980 #define EFI_DEV_PCI 1 981 #define EFI_DEV_PCCARD 2 982 #define EFI_DEV_MEM_MAPPED 3 983 #define EFI_DEV_VENDOR 4 984 #define EFI_DEV_CONTROLLER 5 985 #define EFI_DEV_ACPI 0x02 986 #define EFI_DEV_BASIC_ACPI 1 987 #define EFI_DEV_EXPANDED_ACPI 2 988 #define EFI_DEV_MSG 0x03 989 #define EFI_DEV_MSG_ATAPI 1 990 #define EFI_DEV_MSG_SCSI 2 991 #define EFI_DEV_MSG_FC 3 992 #define EFI_DEV_MSG_1394 4 993 #define EFI_DEV_MSG_USB 5 994 #define EFI_DEV_MSG_USB_CLASS 15 995 #define EFI_DEV_MSG_I20 6 996 #define EFI_DEV_MSG_MAC 11 997 #define EFI_DEV_MSG_IPV4 12 998 #define EFI_DEV_MSG_IPV6 13 999 #define EFI_DEV_MSG_INFINIBAND 9 1000 #define EFI_DEV_MSG_UART 14 1001 #define EFI_DEV_MSG_VENDOR 10 1002 #define EFI_DEV_MEDIA 0x04 1003 #define EFI_DEV_MEDIA_HARD_DRIVE 1 1004 #define EFI_DEV_MEDIA_CDROM 2 1005 #define EFI_DEV_MEDIA_VENDOR 3 1006 #define EFI_DEV_MEDIA_FILE 4 1007 #define EFI_DEV_MEDIA_PROTOCOL 5 1008 #define EFI_DEV_BIOS_BOOT 0x05 1009 #define EFI_DEV_END_PATH 0x7F 1010 #define EFI_DEV_END_PATH2 0xFF 1011 #define EFI_DEV_END_INSTANCE 0x01 1012 #define EFI_DEV_END_ENTIRE 0xFF 1013 1014 struct efi_generic_dev_path { 1015 u8 type; 1016 u8 sub_type; 1017 u16 length; 1018 } __attribute ((packed)); 1019 1020 static inline void memrange_efi_to_native(u64 *addr, u64 *npages) 1021 { 1022 *npages = PFN_UP(*addr + (*npages<<EFI_PAGE_SHIFT)) - PFN_DOWN(*addr); 1023 *addr &= PAGE_MASK; 1024 } 1025 1026 /* 1027 * EFI Variable support. 1028 * 1029 * Different firmware drivers can expose their EFI-like variables using 1030 * the following. 1031 */ 1032 1033 struct efivar_operations { 1034 efi_get_variable_t *get_variable; 1035 efi_get_next_variable_t *get_next_variable; 1036 efi_set_variable_t *set_variable; 1037 efi_query_variable_store_t *query_variable_store; 1038 }; 1039 1040 struct efivars { 1041 /* 1042 * ->lock protects two things: 1043 * 1) efivarfs_list and efivars_sysfs_list 1044 * 2) ->ops calls 1045 */ 1046 spinlock_t lock; 1047 struct kset *kset; 1048 struct kobject *kobject; 1049 const struct efivar_operations *ops; 1050 }; 1051 1052 /* 1053 * The maximum size of VariableName + Data = 1024 1054 * Therefore, it's reasonable to save that much 1055 * space in each part of the structure, 1056 * and we use a page for reading/writing. 1057 */ 1058 1059 #define EFI_VAR_NAME_LEN 1024 1060 1061 struct efi_variable { 1062 efi_char16_t VariableName[EFI_VAR_NAME_LEN/sizeof(efi_char16_t)]; 1063 efi_guid_t VendorGuid; 1064 unsigned long DataSize; 1065 __u8 Data[1024]; 1066 efi_status_t Status; 1067 __u32 Attributes; 1068 } __attribute__((packed)); 1069 1070 struct efivar_entry { 1071 struct efi_variable var; 1072 struct list_head list; 1073 struct kobject kobj; 1074 bool scanning; 1075 bool deleting; 1076 }; 1077 1078 struct efi_simple_text_output_protocol_32 { 1079 u32 reset; 1080 u32 output_string; 1081 u32 test_string; 1082 }; 1083 1084 struct efi_simple_text_output_protocol_64 { 1085 u64 reset; 1086 u64 output_string; 1087 u64 test_string; 1088 }; 1089 1090 struct efi_simple_text_output_protocol { 1091 void *reset; 1092 efi_status_t (*output_string)(void *, void *); 1093 void *test_string; 1094 }; 1095 1096 extern struct list_head efivar_sysfs_list; 1097 1098 static inline void 1099 efivar_unregister(struct efivar_entry *var) 1100 { 1101 kobject_put(&var->kobj); 1102 } 1103 1104 int efivars_register(struct efivars *efivars, 1105 const struct efivar_operations *ops, 1106 struct kobject *kobject); 1107 int efivars_unregister(struct efivars *efivars); 1108 struct kobject *efivars_kobject(void); 1109 1110 int efivar_init(int (*func)(efi_char16_t *, efi_guid_t, unsigned long, void *), 1111 void *data, bool atomic, bool duplicates, 1112 struct list_head *head); 1113 1114 void efivar_entry_add(struct efivar_entry *entry, struct list_head *head); 1115 void efivar_entry_remove(struct efivar_entry *entry); 1116 1117 int __efivar_entry_delete(struct efivar_entry *entry); 1118 int efivar_entry_delete(struct efivar_entry *entry); 1119 1120 int efivar_entry_size(struct efivar_entry *entry, unsigned long *size); 1121 int __efivar_entry_get(struct efivar_entry *entry, u32 *attributes, 1122 unsigned long *size, void *data); 1123 int efivar_entry_get(struct efivar_entry *entry, u32 *attributes, 1124 unsigned long *size, void *data); 1125 int efivar_entry_set(struct efivar_entry *entry, u32 attributes, 1126 unsigned long size, void *data, struct list_head *head); 1127 int efivar_entry_set_get_size(struct efivar_entry *entry, u32 attributes, 1128 unsigned long *size, void *data, bool *set); 1129 int efivar_entry_set_safe(efi_char16_t *name, efi_guid_t vendor, u32 attributes, 1130 bool block, unsigned long size, void *data); 1131 1132 void efivar_entry_iter_begin(void); 1133 void efivar_entry_iter_end(void); 1134 1135 int __efivar_entry_iter(int (*func)(struct efivar_entry *, void *), 1136 struct list_head *head, void *data, 1137 struct efivar_entry **prev); 1138 int efivar_entry_iter(int (*func)(struct efivar_entry *, void *), 1139 struct list_head *head, void *data); 1140 1141 struct efivar_entry *efivar_entry_find(efi_char16_t *name, efi_guid_t guid, 1142 struct list_head *head, bool remove); 1143 1144 bool efivar_validate(efi_char16_t *var_name, u8 *data, unsigned long len); 1145 1146 extern struct work_struct efivar_work; 1147 void efivar_run_worker(void); 1148 1149 #if defined(CONFIG_EFI_VARS) || defined(CONFIG_EFI_VARS_MODULE) 1150 int efivars_sysfs_init(void); 1151 1152 #define EFIVARS_DATA_SIZE_MAX 1024 1153 1154 #endif /* CONFIG_EFI_VARS */ 1155 1156 #ifdef CONFIG_EFI_RUNTIME_MAP 1157 int efi_runtime_map_init(struct kobject *); 1158 void efi_runtime_map_setup(void *, int, u32); 1159 int efi_get_runtime_map_size(void); 1160 int efi_get_runtime_map_desc_size(void); 1161 int efi_runtime_map_copy(void *buf, size_t bufsz); 1162 #else 1163 static inline int efi_runtime_map_init(struct kobject *kobj) 1164 { 1165 return 0; 1166 } 1167 1168 static inline void 1169 efi_runtime_map_setup(void *map, int nr_entries, u32 desc_size) {} 1170 1171 static inline int efi_get_runtime_map_size(void) 1172 { 1173 return 0; 1174 } 1175 1176 static inline int efi_get_runtime_map_desc_size(void) 1177 { 1178 return 0; 1179 } 1180 1181 static inline int efi_runtime_map_copy(void *buf, size_t bufsz) 1182 { 1183 return 0; 1184 } 1185 1186 #endif 1187 1188 /* prototypes shared between arch specific and generic stub code */ 1189 1190 #define pr_efi(sys_table, msg) efi_printk(sys_table, "EFI stub: "msg) 1191 #define pr_efi_err(sys_table, msg) efi_printk(sys_table, "EFI stub: ERROR: "msg) 1192 1193 void efi_printk(efi_system_table_t *sys_table_arg, char *str); 1194 1195 void efi_free(efi_system_table_t *sys_table_arg, unsigned long size, 1196 unsigned long addr); 1197 1198 char *efi_convert_cmdline(efi_system_table_t *sys_table_arg, 1199 efi_loaded_image_t *image, int *cmd_line_len); 1200 1201 efi_status_t efi_get_memory_map(efi_system_table_t *sys_table_arg, 1202 efi_memory_desc_t **map, 1203 unsigned long *map_size, 1204 unsigned long *desc_size, 1205 u32 *desc_ver, 1206 unsigned long *key_ptr); 1207 1208 efi_status_t efi_low_alloc(efi_system_table_t *sys_table_arg, 1209 unsigned long size, unsigned long align, 1210 unsigned long *addr); 1211 1212 efi_status_t efi_high_alloc(efi_system_table_t *sys_table_arg, 1213 unsigned long size, unsigned long align, 1214 unsigned long *addr, unsigned long max); 1215 1216 efi_status_t efi_relocate_kernel(efi_system_table_t *sys_table_arg, 1217 unsigned long *image_addr, 1218 unsigned long image_size, 1219 unsigned long alloc_size, 1220 unsigned long preferred_addr, 1221 unsigned long alignment); 1222 1223 efi_status_t handle_cmdline_files(efi_system_table_t *sys_table_arg, 1224 efi_loaded_image_t *image, 1225 char *cmd_line, char *option_string, 1226 unsigned long max_addr, 1227 unsigned long *load_addr, 1228 unsigned long *load_size); 1229 1230 #endif /* _LINUX_EFI_H */ 1231