1 /** @file 2 Provide Boot Manager related library APIs. 3 4 Copyright (c) 2011 - 2016, Intel Corporation. All rights reserved.<BR> 5 (C) Copyright 2015-2016 Hewlett Packard Enterprise Development LP<BR> 6 This program and the accompanying materials 7 are licensed and made available under the terms and conditions of the BSD License 8 which accompanies this distribution. The full text of the license may be found at 9 http://opensource.org/licenses/bsd-license.php 10 11 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, 12 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. 13 14 **/ 15 16 17 #ifndef _UEFI_BOOT_MANAGER_LIB_H_ 18 #define _UEFI_BOOT_MANAGER_LIB_H_ 19 20 #include <Protocol/DriverHealth.h> 21 #include <Library/SortLib.h> 22 23 // 24 // Boot Manager load option library functions. 25 // 26 27 // 28 // Load Option Type 29 // 30 typedef enum { 31 LoadOptionTypeDriver, 32 LoadOptionTypeSysPrep, 33 LoadOptionTypeBoot, 34 LoadOptionTypePlatformRecovery, 35 LoadOptionTypeMax 36 } EFI_BOOT_MANAGER_LOAD_OPTION_TYPE; 37 38 typedef enum { 39 LoadOptionNumberMax = 0x10000, 40 LoadOptionNumberUnassigned = LoadOptionNumberMax 41 } EFI_BOOT_MANAGER_LOAD_OPTION_NUMBER; 42 43 // 44 // Common structure definition for DriverOption and BootOption 45 // 46 typedef struct { 47 // 48 // Data read from UEFI NV variables 49 // 50 UINTN OptionNumber; // #### numerical value, could be LoadOptionNumberUnassigned 51 EFI_BOOT_MANAGER_LOAD_OPTION_TYPE OptionType; // LoadOptionTypeBoot or LoadOptionTypeDriver 52 UINT32 Attributes; // Load Option Attributes 53 CHAR16 *Description; // Load Option Description 54 EFI_DEVICE_PATH_PROTOCOL *FilePath; // Load Option Device Path 55 UINT8 *OptionalData; // Load Option optional data to pass into image 56 UINT32 OptionalDataSize; // Load Option size of OptionalData 57 EFI_GUID VendorGuid; 58 59 // 60 // Used at runtime 61 // 62 EFI_STATUS Status; // Status returned from boot attempt gBS->StartImage () 63 CHAR16 *ExitData; // Exit data returned from gBS->StartImage () 64 UINTN ExitDataSize; // Size of ExitData 65 } EFI_BOOT_MANAGER_LOAD_OPTION; 66 67 /** 68 Returns an array of load options based on the EFI variable 69 L"BootOrder"/L"DriverOrder" and the L"Boot####"/L"Driver####" variables impled by it. 70 #### is the hex value of the UINT16 in each BootOrder/DriverOrder entry. 71 72 @param LoadOptionCount Returns number of entries in the array. 73 @param LoadOptionType The type of the load option. 74 75 @retval NULL No load options exist. 76 @retval !NULL Array of load option entries. 77 78 **/ 79 EFI_BOOT_MANAGER_LOAD_OPTION * 80 EFIAPI 81 EfiBootManagerGetLoadOptions ( 82 OUT UINTN *LoadOptionCount, 83 IN EFI_BOOT_MANAGER_LOAD_OPTION_TYPE LoadOptionType 84 ); 85 86 /** 87 Free an array of load options returned from EfiBootManagerGetLoadOptions(). 88 89 @param LoadOptions Pointer to the array of load options to free. 90 @param LoadOptionCount Number of array entries in LoadOptions. 91 92 @return EFI_SUCCESS LoadOptions was freed. 93 @return EFI_INVALID_PARAMETER LoadOptions is NULL. 94 **/ 95 EFI_STATUS 96 EFIAPI 97 EfiBootManagerFreeLoadOptions ( 98 IN EFI_BOOT_MANAGER_LOAD_OPTION *LoadOptions, 99 IN UINTN LoadOptionCount 100 ); 101 102 /** 103 Initialize a load option. 104 105 @param Option Pointer to the load option to be initialized. 106 @param OptionNumber Option number of the load option. 107 @param OptionType Type of the load option. 108 @param Attributes Attributes of the load option. 109 @param Description Description of the load option. 110 @param FilePath Device path of the load option. 111 @param OptionalData Optional data of the load option. 112 @param OptionalDataSize Size of the optional data of the load option. 113 114 @retval EFI_SUCCESS The load option was initialized successfully. 115 @retval EFI_INVALID_PARAMETER Option, Description or FilePath is NULL. 116 **/ 117 EFI_STATUS 118 EFIAPI 119 EfiBootManagerInitializeLoadOption ( 120 IN OUT EFI_BOOT_MANAGER_LOAD_OPTION *Option, 121 IN UINTN OptionNumber, 122 IN EFI_BOOT_MANAGER_LOAD_OPTION_TYPE OptionType, 123 IN UINT32 Attributes, 124 IN CHAR16 *Description, 125 IN EFI_DEVICE_PATH_PROTOCOL *FilePath, 126 IN UINT8 *OptionalData, 127 IN UINT32 OptionalDataSize 128 ); 129 130 /** 131 Free a load option created by EfiBootManagerInitializeLoadOption() 132 or EfiBootManagerVariableToLoadOption(). 133 134 @param LoadOption Pointer to the load option to free. 135 CONCERN: Check Boot#### instead of BootOrder, optimize, spec clarify 136 @return EFI_SUCCESS LoadOption was freed. 137 @return EFI_INVALID_PARAMETER LoadOption is NULL. 138 139 **/ 140 EFI_STATUS 141 EFIAPI 142 EfiBootManagerFreeLoadOption ( 143 IN EFI_BOOT_MANAGER_LOAD_OPTION *LoadOption 144 ); 145 146 /** 147 Initialize the load option from the VariableName. 148 149 @param VariableName EFI Variable name which could be Boot#### or 150 Driver#### 151 @param LoadOption Pointer to the load option to be initialized 152 153 @retval EFI_SUCCESS The option was created 154 @retval EFI_INVALID_PARAMETER VariableName or LoadOption is NULL. 155 @retval EFI_NOT_FOUND The variable specified by VariableName cannot be found. 156 **/ 157 EFI_STATUS 158 EFIAPI 159 EfiBootManagerVariableToLoadOption ( 160 IN CHAR16 *VariableName, 161 IN OUT EFI_BOOT_MANAGER_LOAD_OPTION *LoadOption 162 ); 163 164 /** 165 Create the Boot#### or Driver#### variable from the load option. 166 167 @param LoadOption Pointer to the load option. 168 169 @retval EFI_SUCCESS The variable was created. 170 @retval Others Error status returned by RT->SetVariable. 171 **/ 172 EFI_STATUS 173 EFIAPI 174 EfiBootManagerLoadOptionToVariable ( 175 IN CONST EFI_BOOT_MANAGER_LOAD_OPTION *LoadOption 176 ); 177 178 /** 179 This function will update the Boot####/Driver####/SysPrep#### and the 180 BootOrder/DriverOrder/SysPrepOrder to add a new load option. 181 182 @param Option Pointer to load option to add. 183 @param Position Position of the new load option to put in the BootOrder/DriverOrder/SysPrepOrder. 184 185 @retval EFI_SUCCESS The load option has been successfully added. 186 @retval Others Error status returned by RT->SetVariable. 187 **/ 188 EFI_STATUS 189 EFIAPI 190 EfiBootManagerAddLoadOptionVariable ( 191 IN EFI_BOOT_MANAGER_LOAD_OPTION *Option, 192 IN UINTN Position 193 ); 194 195 /** 196 Delete the load option according to the OptionNumber and OptionType. 197 198 Only the BootOrder/DriverOrder is updated to remove the reference of the OptionNumber. 199 200 @param OptionNumber Option number of the load option. 201 @param OptionType Type of the load option. 202 203 @retval EFI_NOT_FOUND The load option cannot be found. 204 @retval EFI_SUCCESS The load option was deleted. 205 **/ 206 EFI_STATUS 207 EFIAPI 208 EfiBootManagerDeleteLoadOptionVariable ( 209 IN UINTN OptionNumber, 210 IN EFI_BOOT_MANAGER_LOAD_OPTION_TYPE OptionType 211 ); 212 213 /** 214 Sort the load options. The DriverOrder/BootOrder variables will be re-created to 215 reflect the new order. 216 217 @param OptionType The type of the load option. 218 @param CompareFunction The comparator function pointer. 219 **/ 220 VOID 221 EFIAPI 222 EfiBootManagerSortLoadOptionVariable ( 223 IN EFI_BOOT_MANAGER_LOAD_OPTION_TYPE OptionType, 224 IN SORT_COMPARE CompareFunction 225 ); 226 227 /** 228 Return the index of the load option in the load option array. 229 230 The function consider two load options are equal when the 231 OptionType, Attributes, Description, FilePath and OptionalData are equal. 232 233 @param Key Pointer to the load option to be found. 234 @param Array Pointer to the array of load options to be found. 235 @param Count Number of entries in the Array. 236 237 @retval -1 Key wasn't found in the Array. 238 @retval 0 ~ Count-1 The index of the Key in the Array. 239 **/ 240 INTN 241 EFIAPI 242 EfiBootManagerFindLoadOption ( 243 IN CONST EFI_BOOT_MANAGER_LOAD_OPTION *Key, 244 IN CONST EFI_BOOT_MANAGER_LOAD_OPTION *Array, 245 IN UINTN Count 246 ); 247 248 // 249 // Boot Manager hot key library functions. 250 // 251 252 #pragma pack(1) 253 /// 254 /// EFI Key Option. 255 /// 256 typedef struct { 257 /// 258 /// Specifies options about how the key will be processed. 259 /// 260 EFI_BOOT_KEY_DATA KeyData; 261 /// 262 /// The CRC-32 which should match the CRC-32 of the entire EFI_LOAD_OPTION to 263 /// which BootOption refers. If the CRC-32s do not match this value, then this key 264 /// option is ignored. 265 /// 266 UINT32 BootOptionCrc; 267 /// 268 /// The Boot#### option which will be invoked if this key is pressed and the boot option 269 /// is active (LOAD_OPTION_ACTIVE is set). 270 /// 271 UINT16 BootOption; 272 /// 273 /// The key codes to compare against those returned by the 274 /// EFI_SIMPLE_TEXT_INPUT and EFI_SIMPLE_TEXT_INPUT_EX protocols. 275 /// The number of key codes (0-3) is specified by the EFI_KEY_CODE_COUNT field in KeyOptions. 276 /// 277 EFI_INPUT_KEY Keys[3]; 278 UINT16 OptionNumber; 279 } EFI_BOOT_MANAGER_KEY_OPTION; 280 #pragma pack() 281 282 /** 283 Start the hot key service so that the key press can trigger the boot option. 284 285 @param HotkeyTriggered Return the waitable event and it will be signaled 286 when a valid hot key is pressed. 287 288 @retval EFI_SUCCESS The hot key service is started. 289 **/ 290 EFI_STATUS 291 EFIAPI 292 EfiBootManagerStartHotkeyService ( 293 IN EFI_EVENT *HotkeyTriggered 294 ); 295 296 // 297 // Modifier for EfiBootManagerAddKeyOptionVariable and EfiBootManagerDeleteKeyOptionVariable 298 // 299 #define EFI_BOOT_MANAGER_SHIFT_PRESSED 0x00000001 300 #define EFI_BOOT_MANAGER_CONTROL_PRESSED 0x00000002 301 #define EFI_BOOT_MANAGER_ALT_PRESSED 0x00000004 302 #define EFI_BOOT_MANAGER_LOGO_PRESSED 0x00000008 303 #define EFI_BOOT_MANAGER_MENU_KEY_PRESSED 0x00000010 304 #define EFI_BOOT_MANAGER_SYS_REQ_PRESSED 0x00000020 305 306 /** 307 Add the key option. 308 It adds the key option variable and the key option takes affect immediately. 309 310 @param AddedOption Return the added key option. 311 @param BootOptionNumber The boot option number for the key option. 312 @param Modifier Key shift state. 313 @param ... Parameter list of pointer of EFI_INPUT_KEY. 314 315 @retval EFI_SUCCESS The key option is added. 316 @retval EFI_ALREADY_STARTED The hot key is already used by certain key option. 317 **/ 318 EFI_STATUS 319 EFIAPI 320 EfiBootManagerAddKeyOptionVariable ( 321 OUT EFI_BOOT_MANAGER_KEY_OPTION *AddedOption, OPTIONAL 322 IN UINT16 BootOptionNumber, 323 IN UINT32 Modifier, 324 ... 325 ); 326 327 /** 328 Delete the Key Option variable and unregister the hot key 329 330 @param DeletedOption Return the deleted key options. 331 @param Modifier Key shift state. 332 @param ... Parameter list of pointer of EFI_INPUT_KEY. 333 334 @retval EFI_SUCCESS The key option is deleted. 335 @retval EFI_NOT_FOUND The key option cannot be found. 336 **/ 337 EFI_STATUS 338 EFIAPI 339 EfiBootManagerDeleteKeyOptionVariable ( 340 IN EFI_BOOT_MANAGER_KEY_OPTION *DeletedOption, OPTIONAL 341 IN UINT32 Modifier, 342 ... 343 ); 344 345 /** 346 Register the key option to exit the waiting of the Boot Manager timeout. 347 Platform should ensure that the continue key option isn't conflict with 348 other boot key options. 349 350 @param Modifier Key shift state. 351 @param ... Parameter list of pointer of EFI_INPUT_KEY. 352 353 @retval EFI_SUCCESS Successfully register the continue key option. 354 @retval EFI_ALREADY_STARTED The continue key option is already registered. 355 **/ 356 EFI_STATUS 357 EFIAPI 358 EfiBootManagerRegisterContinueKeyOption ( 359 IN UINT32 Modifier, 360 ... 361 ); 362 363 /** 364 Try to boot the boot option triggered by hot key. 365 **/ 366 VOID 367 EFIAPI 368 EfiBootManagerHotkeyBoot ( 369 VOID 370 ); 371 // 372 // Boot Manager boot library functions. 373 // 374 375 /** 376 The function creates boot options for all possible bootable medias in the following order: 377 1. Removable BlockIo - The boot option only points to the removable media 378 device, like USB key, DVD, Floppy etc. 379 2. Fixed BlockIo - The boot option only points to a Fixed blockIo device, 380 like HardDisk. 381 3. Non-BlockIo SimpleFileSystem - The boot option points to a device supporting 382 SimpleFileSystem Protocol, but not supporting BlockIo 383 protocol. 384 4. LoadFile - The boot option points to the media supporting 385 LoadFile protocol. 386 Reference: UEFI Spec chapter 3.3 Boot Option Variables Default Boot Behavior 387 388 The function won't delete the boot option not added by itself. 389 **/ 390 VOID 391 EFIAPI 392 EfiBootManagerRefreshAllBootOption ( 393 VOID 394 ); 395 396 /** 397 Attempt to boot the EFI boot option. This routine sets L"BootCurent" and 398 signals the EFI ready to boot event. If the device path for the option starts 399 with a BBS device path a legacy boot is attempted. Short form device paths are 400 also supported via this rountine. A device path starting with 401 MEDIA_HARDDRIVE_DP, MSG_USB_WWID_DP, MSG_USB_CLASS_DP gets expaned out 402 to find the first device that matches. If the BootOption Device Path 403 fails the removable media boot algorithm is attempted (\EFI\BOOTIA32.EFI, 404 \EFI\BOOTX64.EFI,... only one file type is tried per processor type) 405 406 @param BootOption Boot Option to try and boot. 407 On return, BootOption->Status contains the boot status: 408 EFI_SUCCESS BootOption was booted 409 EFI_UNSUPPORTED BootOption isn't supported. 410 EFI_NOT_FOUND The BootOption was not found on the system 411 Others BootOption failed with this error status 412 413 **/ 414 VOID 415 EFIAPI 416 EfiBootManagerBoot ( 417 IN EFI_BOOT_MANAGER_LOAD_OPTION *BootOption 418 ); 419 420 /** 421 Return the boot option corresponding to the Boot Manager Menu. 422 It may automatically create one if the boot option hasn't been created yet. 423 424 @param BootOption Return the Boot Manager Menu. 425 426 @retval EFI_SUCCESS The Boot Manager Menu is successfully returned. 427 @retval EFI_NOT_FOUND The Boot Manager Menu cannot be found. 428 @retval others Return status of gRT->SetVariable (). BootOption still points 429 to the Boot Manager Menu even the Status is not EFI_SUCCESS 430 and EFI_NOT_FOUND. 431 **/ 432 EFI_STATUS 433 EFIAPI 434 EfiBootManagerGetBootManagerMenu ( 435 EFI_BOOT_MANAGER_LOAD_OPTION *BootOption 436 ); 437 438 439 /** 440 Get the load option by its device path. 441 442 @param FilePath The device path pointing to a load option. 443 It could be a short-form device path. 444 @param FullPath Return the full device path of the load option after 445 short-form device path expanding. 446 Caller is responsible to free it. 447 @param FileSize Return the load option size. 448 449 @return The load option buffer. Caller is responsible to free the memory. 450 **/ 451 VOID * 452 EFIAPI 453 EfiBootManagerGetLoadOptionBuffer ( 454 IN EFI_DEVICE_PATH_PROTOCOL *FilePath, 455 OUT EFI_DEVICE_PATH_PROTOCOL **FullPath, 456 OUT UINTN *FileSize 457 ); 458 459 /** 460 The function enumerates all the legacy boot options, creates them and 461 registers them in the BootOrder variable. 462 **/ 463 typedef 464 VOID 465 (EFIAPI *EFI_BOOT_MANAGER_REFRESH_LEGACY_BOOT_OPTION) ( 466 VOID 467 ); 468 469 /** 470 The function boots a legacy boot option. 471 **/ 472 typedef 473 VOID 474 (EFIAPI *EFI_BOOT_MANAGER_LEGACY_BOOT) ( 475 IN EFI_BOOT_MANAGER_LOAD_OPTION *BootOption 476 ); 477 478 /** 479 The function registers the legacy boot support capabilities. 480 481 @param RefreshLegacyBootOption The function pointer to create all the legacy boot options. 482 @param LegacyBoot The function pointer to boot the legacy boot option. 483 **/ 484 VOID 485 EFIAPI 486 EfiBootManagerRegisterLegacyBootSupport ( 487 EFI_BOOT_MANAGER_REFRESH_LEGACY_BOOT_OPTION RefreshLegacyBootOption, 488 EFI_BOOT_MANAGER_LEGACY_BOOT LegacyBoot 489 ); 490 491 /** 492 Return the platform provided boot option description for the controller. 493 494 @param Handle Controller handle. 495 @param DefaultDescription Default boot description provided by core. 496 497 @return The callee allocated description string 498 or NULL if the handler wants to use DefaultDescription. 499 **/ 500 typedef 501 CHAR16 * 502 (EFIAPI *EFI_BOOT_MANAGER_BOOT_DESCRIPTION_HANDLER) ( 503 IN EFI_HANDLE Handle, 504 IN CONST CHAR16 *DefaultDescription 505 ); 506 507 /** 508 Register the platform provided boot description handler. 509 510 @param Handler The platform provided boot description handler 511 512 @retval EFI_SUCCESS The handler was registered successfully. 513 @retval EFI_ALREADY_STARTED The handler was already registered. 514 @retval EFI_OUT_OF_RESOURCES There is not enough resource to perform the registration. 515 **/ 516 EFI_STATUS 517 EFIAPI 518 EfiBootManagerRegisterBootDescriptionHandler ( 519 IN EFI_BOOT_MANAGER_BOOT_DESCRIPTION_HANDLER Handler 520 ); 521 522 // 523 // Boot Manager connect and disconnect library functions 524 // 525 526 /** 527 This function will connect all the system driver to controller 528 first, and then special connect the default console, this make 529 sure all the system controller available and the platform default 530 console connected. 531 **/ 532 VOID 533 EFIAPI 534 EfiBootManagerConnectAll ( 535 VOID 536 ); 537 538 /** 539 This function will create all handles associate with every device 540 path node. If the handle associate with one device path node can not 541 be created successfully, then still give chance to do the dispatch, 542 which load the missing drivers if possible. 543 544 @param DevicePathToConnect The device path which will be connected, it can be 545 a multi-instance device path 546 @param MatchingHandle Return the controller handle closest to the DevicePathToConnect 547 548 @retval EFI_SUCCESS All handles associate with every device path node 549 have been created. 550 @retval EFI_OUT_OF_RESOURCES There is no resource to create new handles. 551 @retval EFI_NOT_FOUND Create the handle associate with one device path 552 node failed. 553 @retval EFI_SECURITY_VIOLATION The user has no permission to start UEFI device 554 drivers on the DevicePath. 555 **/ 556 EFI_STATUS 557 EFIAPI 558 EfiBootManagerConnectDevicePath ( 559 IN EFI_DEVICE_PATH_PROTOCOL *DevicePathToConnect, 560 OUT EFI_HANDLE *MatchingHandle OPTIONAL 561 ); 562 563 /** 564 This function will disconnect all current system handles. 565 566 gBS->DisconnectController() is invoked for each handle exists in system handle buffer. 567 If handle is a bus type handle, all childrens also are disconnected recursively by 568 gBS->DisconnectController(). 569 **/ 570 VOID 571 EFIAPI 572 EfiBootManagerDisconnectAll ( 573 VOID 574 ); 575 576 577 // 578 // Boot Manager console library functions 579 // 580 581 typedef enum { 582 ConIn, 583 ConOut, 584 ErrOut, 585 ConInDev, 586 ConOutDev, 587 ErrOutDev, 588 ConsoleTypeMax 589 } CONSOLE_TYPE; 590 591 /** 592 This function will connect all the console devices base on the console 593 device variable ConIn, ConOut and ErrOut. 594 595 @retval EFI_DEVICE_ERROR All the consoles were not connected due to an error. 596 @retval EFI_SUCCESS Success connect any one instance of the console 597 device path base on the variable ConVarName. 598 **/ 599 EFI_STATUS 600 EFIAPI 601 EfiBootManagerConnectAllDefaultConsoles ( 602 VOID 603 ); 604 605 /** 606 This function updates the console variable based on ConVarName. It can 607 add or remove one specific console device path from the variable 608 609 @param ConsoleType ConIn, ConOut, ErrOut, ConInDev, ConOutDev or ErrOutDev. 610 @param CustomizedConDevicePath The console device path to be added to 611 the console variable. Cannot be multi-instance. 612 @param ExclusiveDevicePath The console device path to be removed 613 from the console variable. Cannot be multi-instance. 614 615 @retval EFI_UNSUPPORTED The added device path is the same as a removed one. 616 @retval EFI_SUCCESS Successfully added or removed the device path from the 617 console variable. 618 619 **/ 620 EFI_STATUS 621 EFIAPI 622 EfiBootManagerUpdateConsoleVariable ( 623 IN CONSOLE_TYPE ConsoleType, 624 IN EFI_DEVICE_PATH_PROTOCOL *CustomizedConDevicePath, 625 IN EFI_DEVICE_PATH_PROTOCOL *ExclusiveDevicePath 626 ); 627 628 /** 629 Connect the console device base on the variable ConVarName, if 630 device path of the ConVarName is multi-instance device path, if 631 anyone of the instances is connected success, then this function 632 will return success. 633 634 @param ConsoleType ConIn, ConOut or ErrOut. 635 636 @retval EFI_NOT_FOUND There is not any console devices connected 637 success 638 @retval EFI_SUCCESS Success connect any one instance of the console 639 device path base on the variable ConVarName. 640 641 **/ 642 EFI_STATUS 643 EFIAPI 644 EfiBootManagerConnectConsoleVariable ( 645 IN CONSOLE_TYPE ConsoleType 646 ); 647 648 /** 649 Query all the children of VideoController and return the device paths of all the 650 children that support GraphicsOutput protocol. 651 652 @param VideoController PCI handle of video controller. 653 654 @return Device paths of all the children that support GraphicsOutput protocol. 655 **/ 656 EFI_DEVICE_PATH_PROTOCOL * 657 EFIAPI 658 EfiBootManagerGetGopDevicePath ( 659 IN EFI_HANDLE VideoController 660 ); 661 662 /** 663 Connect the platform active active video controller. 664 665 @param VideoController PCI handle of video controller. 666 667 @retval EFI_NOT_FOUND There is no active video controller. 668 @retval EFI_SUCCESS The video controller is connected. 669 **/ 670 EFI_STATUS 671 EFIAPI 672 EfiBootManagerConnectVideoController ( 673 EFI_HANDLE VideoController OPTIONAL 674 ); 675 676 // 677 // Boot Manager driver health library functions. 678 // 679 680 typedef struct { 681 EFI_DRIVER_HEALTH_PROTOCOL *DriverHealth; 682 683 /// 684 /// Driver relative handles 685 /// 686 EFI_HANDLE DriverHealthHandle; 687 EFI_HANDLE ControllerHandle; 688 EFI_HANDLE ChildHandle; 689 690 /// 691 /// Driver health messages of the specify Driver 692 /// 693 EFI_DRIVER_HEALTH_HII_MESSAGE *MessageList; 694 695 /// 696 /// HII relative handles 697 /// 698 EFI_HII_HANDLE HiiHandle; 699 700 /// 701 /// Driver Health status 702 /// 703 EFI_DRIVER_HEALTH_STATUS HealthStatus; 704 } EFI_BOOT_MANAGER_DRIVER_HEALTH_INFO; 705 706 /** 707 Return all the Driver Health information. 708 709 When the cumulative health status of all the controllers managed by the 710 driver who produces the EFI_DRIVER_HEALTH_PROTOCOL is healthy, only one 711 EFI_BOOT_MANAGER_DRIVER_HEALTH_INFO entry is created for such 712 EFI_DRIVER_HEALTH_PROTOCOL instance. 713 Otherwise, every controller creates one EFI_BOOT_MANAGER_DRIVER_HEALTH_INFO 714 entry. Additionally every child controller creates one 715 EFI_BOOT_MANAGER_DRIVER_HEALTH_INFO entry if the driver is a bus driver. 716 717 @param Count Return the count of the Driver Health information. 718 719 @retval NULL No Driver Health information is returned. 720 @retval !NULL Pointer to the Driver Health information array. 721 **/ 722 EFI_BOOT_MANAGER_DRIVER_HEALTH_INFO * 723 EFIAPI 724 EfiBootManagerGetDriverHealthInfo ( 725 UINTN *Count 726 ); 727 728 /** 729 Free the Driver Health information array. 730 731 @param DriverHealthInfo Pointer to array of the Driver Health information. 732 @param Count Count of the array. 733 734 @retval EFI_SUCCESS The array is freed. 735 @retval EFI_INVALID_PARAMETER The array is NULL. 736 **/ 737 EFI_STATUS 738 EFIAPI 739 EfiBootManagerFreeDriverHealthInfo ( 740 EFI_BOOT_MANAGER_DRIVER_HEALTH_INFO *DriverHealthInfo, 741 UINTN Count 742 ); 743 744 /** 745 Process (load and execute) the load option. 746 747 @param LoadOption Pointer to the load option. 748 749 @retval EFI_INVALID_PARAMETER The load option type is invalid, 750 or the load option file path doesn't point to a valid file. 751 @retval EFI_UNSUPPORTED The load option type is of LoadOptionTypeBoot. 752 @retval EFI_SUCCESS The load option is inactive, or successfully loaded and executed. 753 **/ 754 EFI_STATUS 755 EFIAPI 756 EfiBootManagerProcessLoadOption ( 757 EFI_BOOT_MANAGER_LOAD_OPTION *LoadOption 758 ); 759 760 /** 761 Check whether the VariableName is a valid load option variable name 762 and return the load option type and option number. 763 764 @param VariableName The name of the load option variable. 765 @param OptionType Return the load option type. 766 @param OptionNumber Return the load option number. 767 768 @retval TRUE The variable name is valid; The load option type and 769 load option number are returned. 770 @retval FALSE The variable name is NOT valid. 771 **/ 772 BOOLEAN 773 EFIAPI 774 EfiBootManagerIsValidLoadOptionVariableName ( 775 IN CHAR16 *VariableName, 776 OUT EFI_BOOT_MANAGER_LOAD_OPTION_TYPE *OptionType OPTIONAL, 777 OUT UINT16 *OptionNumber OPTIONAL 778 ); 779 780 781 /** 782 Dispatch the deferred images that are returned from all DeferredImageLoad instances. 783 784 @retval EFI_SUCCESS At least one deferred image is loaded successfully and started. 785 @retval EFI_NOT_FOUND There is no deferred image. 786 @retval EFI_ACCESS_DENIED There are deferred images but all of them are failed to load. 787 **/ 788 EFI_STATUS 789 EFIAPI 790 EfiBootManagerDispatchDeferredImages ( 791 VOID 792 ); 793 #endif 794