| ddac74d1 |
1 | /** @file\r |
| 2 | Generic BDS library definition, include the data structure and function.\r |
| 3 | \r |
| 4 | Copyright (c) 2004 - 2008, Intel Corporation. <BR>\r |
| 5 | All rights reserved. This program and the accompanying materials\r |
| 6 | are licensed and made available under the terms and conditions of the BSD License\r |
| 7 | which accompanies this distribution. The full text of the license may be found at\r |
| 8 | http://opensource.org/licenses/bsd-license.php\r |
| 9 | \r |
| 10 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r |
| 11 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r |
| 12 | \r |
| 13 | **/\r |
| 14 | \r |
| 15 | #ifndef _GENERIC_BDS_LIB_H_\r |
| 16 | #define _GENERIC_BDS_LIB_H_\r |
| 17 | \r |
| ddac74d1 |
18 | extern EFI_HANDLE mBdsImageHandle;\r |
| 19 | \r |
| 20 | //\r |
| 21 | // Constants which are variable names used to access variables\r |
| 22 | //\r |
| 23 | #define VAR_LEGACY_DEV_ORDER L"LegacyDevOrder"\r |
| 24 | \r |
| 25 | //\r |
| 26 | // Data structures and defines\r |
| 27 | //\r |
| 28 | #define FRONT_PAGE_QUESTION_ID 0x0000\r |
| 29 | #define FRONT_PAGE_DATA_WIDTH 0x01\r |
| 30 | \r |
| 31 | //\r |
| 32 | // ConnectType\r |
| 33 | //\r |
| 34 | #define CONSOLE_OUT 0x00000001\r |
| 35 | #define STD_ERROR 0x00000002\r |
| 36 | #define CONSOLE_IN 0x00000004\r |
| 37 | #define CONSOLE_ALL (CONSOLE_OUT | CONSOLE_IN | STD_ERROR)\r |
| 38 | \r |
| 39 | //\r |
| 40 | // Load Option Attributes defined in EFI Specification\r |
| 41 | //\r |
| 42 | #define LOAD_OPTION_ACTIVE 0x00000001\r |
| 43 | #define LOAD_OPTION_FORCE_RECONNECT 0x00000002\r |
| 44 | \r |
| 45 | #define LOAD_OPTION_HIDDEN 0x00000008\r |
| 46 | #define LOAD_OPTION_CATEGORY 0x00001F00\r |
| 47 | \r |
| 48 | #define LOAD_OPTION_CATEGORY_BOOT 0x00000000\r |
| 49 | #define LOAD_OPTION_CATEGORY_APP 0x00000100\r |
| 50 | \r |
| 51 | #define EFI_BOOT_OPTION_SUPPORT_KEY 0x00000001\r |
| 52 | #define EFI_BOOT_OPTION_SUPPORT_APP 0x00000002\r |
| 53 | \r |
| 54 | #define IS_LOAD_OPTION_TYPE(_c, _Mask) (BOOLEAN) (((_c) & (_Mask)) != 0)\r |
| 55 | \r |
| 56 | //\r |
| 57 | // Define Maxmim characters that will be accepted\r |
| 58 | //\r |
| 59 | #define MAX_CHAR 480\r |
| 60 | #define MAX_CHAR_SIZE (MAX_CHAR * 2)\r |
| 61 | \r |
| 62 | #define MIN_ALIGNMENT_SIZE 4\r |
| 63 | #define ALIGN_SIZE(a) ((a % MIN_ALIGNMENT_SIZE) ? MIN_ALIGNMENT_SIZE - (a % MIN_ALIGNMENT_SIZE) : 0)\r |
| 64 | \r |
| 65 | //\r |
| 66 | // Define maximum characters for boot option variable "BootXXXX"\r |
| 67 | //\r |
| 68 | #define BOOT_OPTION_MAX_CHAR 10\r |
| 69 | \r |
| 70 | //\r |
| 71 | // This data structure is the part of BDS_CONNECT_ENTRY that we can hard code.\r |
| 72 | //\r |
| 73 | #define BDS_LOAD_OPTION_SIGNATURE SIGNATURE_32 ('B', 'd', 'C', 'O')\r |
| 74 | \r |
| 75 | typedef struct {\r |
| 76 | \r |
| 77 | UINTN Signature;\r |
| 78 | LIST_ENTRY Link;\r |
| 79 | \r |
| 80 | EFI_DEVICE_PATH_PROTOCOL *DevicePath;\r |
| 81 | \r |
| 82 | CHAR16 *OptionName;\r |
| 83 | UINTN OptionNumber;\r |
| 84 | UINT16 BootCurrent;\r |
| 85 | UINT32 Attribute;\r |
| 86 | CHAR16 *Description;\r |
| 87 | VOID *LoadOptions;\r |
| 88 | UINT32 LoadOptionsSize;\r |
| 89 | CHAR16 *StatusString;\r |
| 90 | \r |
| 91 | } BDS_COMMON_OPTION;\r |
| 92 | \r |
| 93 | typedef struct {\r |
| 94 | EFI_DEVICE_PATH_PROTOCOL *DevicePath;\r |
| 95 | UINTN ConnectType;\r |
| 96 | } BDS_CONSOLE_CONNECT_ENTRY;\r |
| 97 | \r |
| 98 | //\r |
| 99 | // Lib Functions\r |
| 100 | //\r |
| 101 | \r |
| 102 | //\r |
| 103 | // Bds boot related lib functions\r |
| 104 | //\r |
| 105 | /**\r |
| 106 | Boot from the UEFI spec defined "BootNext" variable.\r |
| 107 | \r |
| 108 | **/\r |
| 109 | VOID\r |
| 110 | EFIAPI\r |
| 111 | BdsLibBootNext (\r |
| 112 | VOID\r |
| 113 | );\r |
| 114 | \r |
| 115 | /**\r |
| 116 | Process the boot option follow the UEFI specification and\r |
| 117 | special treat the legacy boot option with BBS_DEVICE_PATH.\r |
| 118 | \r |
| 119 | @param Option The boot option need to be processed\r |
| 120 | @param DevicePath The device path which describe where to load the\r |
| 121 | boot image or the legcy BBS device path to boot\r |
| 122 | the legacy OS\r |
| 123 | @param ExitDataSize The size of exit data.\r |
| 124 | @param ExitData Data returned when Boot image failed.\r |
| 125 | \r |
| 126 | @retval EFI_SUCCESS Boot from the input boot option successfully.\r |
| 127 | @retval EFI_NOT_FOUND If the Device Path is not found in the system\r |
| 128 | \r |
| 129 | **/\r |
| 130 | EFI_STATUS\r |
| 131 | EFIAPI\r |
| 132 | BdsLibBootViaBootOption (\r |
| 133 | IN BDS_COMMON_OPTION * Option,\r |
| 134 | IN EFI_DEVICE_PATH_PROTOCOL * DevicePath,\r |
| 135 | OUT UINTN *ExitDataSize,\r |
| 136 | OUT CHAR16 **ExitData OPTIONAL\r |
| 137 | );\r |
| 138 | \r |
| 139 | \r |
| 140 | /**\r |
| 141 | This function will enumerate all possible boot device in the system,\r |
| 142 | it will only excute once of every boot.\r |
| 143 | \r |
| 144 | @param BdsBootOptionList The header of the link list which indexed all\r |
| 145 | current boot options\r |
| 146 | \r |
| 147 | @retval EFI_SUCCESS Finished all the boot device enumerate and create\r |
| 148 | the boot option base on that boot device\r |
| 149 | \r |
| 150 | **/\r |
| 151 | EFI_STATUS\r |
| 152 | EFIAPI\r |
| 153 | BdsLibEnumerateAllBootOption (\r |
| 154 | IN OUT LIST_ENTRY *BdsBootOptionList\r |
| 155 | );\r |
| 156 | \r |
| 157 | /**\r |
| 158 | Build the boot option with the handle parsed in\r |
| 159 | \r |
| 160 | @param Handle The handle which present the device path to create\r |
| 161 | boot option\r |
| 162 | @param BdsBootOptionList The header of the link list which indexed all\r |
| 163 | current boot options\r |
| 164 | @param String The description of the boot option.\r |
| 165 | \r |
| 166 | **/\r |
| 167 | VOID\r |
| 168 | EFIAPI\r |
| 169 | BdsLibBuildOptionFromHandle (\r |
| 170 | IN EFI_HANDLE Handle,\r |
| 171 | IN LIST_ENTRY *BdsBootOptionList,\r |
| 172 | IN CHAR16 *String\r |
| 173 | );\r |
| 174 | \r |
| 175 | \r |
| 176 | /**\r |
| 177 | Build the on flash shell boot option with the handle parsed in.\r |
| 178 | \r |
| 179 | @param Handle The handle which present the device path to create\r |
| 180 | on flash shell boot option\r |
| 181 | @param BdsBootOptionList The header of the link list which indexed all\r |
| 182 | current boot options\r |
| 183 | \r |
| 184 | **/\r |
| 185 | VOID\r |
| 186 | EFIAPI\r |
| 187 | BdsLibBuildOptionFromShell (\r |
| 188 | IN EFI_HANDLE Handle,\r |
| 189 | IN OUT LIST_ENTRY *BdsBootOptionList\r |
| 190 | );\r |
| 191 | \r |
| 192 | //\r |
| 193 | // Bds misc lib functions\r |
| 194 | //\r |
| ddac74d1 |
195 | /**\r |
| 196 | Get boot mode by looking up configuration table and parsing HOB list\r |
| 197 | \r |
| 198 | @param BootMode Boot mode from PEI handoff HOB.\r |
| 199 | \r |
| 200 | @retval EFI_SUCCESS Successfully get boot mode\r |
| 201 | \r |
| 202 | **/\r |
| 203 | EFI_STATUS\r |
| 204 | EFIAPI\r |
| 205 | BdsLibGetBootMode (\r |
| 206 | OUT EFI_BOOT_MODE *BootMode\r |
| 207 | );\r |
| 208 | \r |
| 209 | \r |
| 210 | /**\r |
| 211 | The function will go through the driver optoin link list, load and start\r |
| 212 | every driver the driver optoin device path point to.\r |
| 213 | \r |
| 214 | @param BdsDriverLists The header of the current driver option link list\r |
| 215 | \r |
| 216 | **/\r |
| 217 | VOID\r |
| 218 | EFIAPI\r |
| 219 | BdsLibLoadDrivers (\r |
| 220 | IN LIST_ENTRY *BdsDriverLists\r |
| 221 | );\r |
| 222 | \r |
| 223 | \r |
| 224 | /**\r |
| 225 | Process BootOrder, or DriverOrder variables, by calling\r |
| 226 | BdsLibVariableToOption () for each UINT16 in the variables.\r |
| 227 | \r |
| 228 | @param BdsCommonOptionList The header of the option list base on variable\r |
| 229 | VariableName\r |
| 230 | @param VariableName EFI Variable name indicate the BootOrder or\r |
| 231 | DriverOrder\r |
| 232 | \r |
| 233 | @retval EFI_SUCCESS Success create the boot option or driver option\r |
| 234 | list\r |
| 235 | @retval EFI_OUT_OF_RESOURCES Failed to get the boot option or driver option list\r |
| 236 | \r |
| 237 | **/\r |
| 238 | EFI_STATUS\r |
| 239 | EFIAPI\r |
| 240 | BdsLibBuildOptionFromVar (\r |
| 241 | IN LIST_ENTRY *BdsCommonOptionList,\r |
| 242 | IN CHAR16 *VariableName\r |
| 243 | );\r |
| 244 | \r |
| 245 | /**\r |
| 246 | Read the EFI variable (VendorGuid/Name) and return a dynamically allocated\r |
| 247 | buffer, and the size of the buffer. If failure return NULL.\r |
| 248 | \r |
| 249 | @param Name String part of EFI variable name\r |
| 250 | @param VendorGuid GUID part of EFI variable name\r |
| 251 | @param VariableSize Returns the size of the EFI variable that was read\r |
| 252 | \r |
| 253 | @return Dynamically allocated memory that contains a copy of the EFI variable\r |
| 254 | Caller is responsible freeing the buffer.\r |
| 255 | @retval NULL Variable was not read\r |
| 256 | \r |
| 257 | **/\r |
| 258 | VOID *\r |
| 259 | EFIAPI\r |
| 260 | BdsLibGetVariableAndSize (\r |
| 261 | IN CHAR16 *Name,\r |
| 262 | IN EFI_GUID *VendorGuid,\r |
| 263 | OUT UINTN *VariableSize\r |
| 264 | );\r |
| 265 | \r |
| 266 | \r |
| 267 | /**\r |
| 268 | This function prints a series of strings.\r |
| 269 | \r |
| 270 | @param ConOut Pointer to EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL\r |
| 271 | @param ... A variable argument list containing series of\r |
| 272 | strings, the last string must be NULL.\r |
| 273 | \r |
| 274 | @retval EFI_SUCCESS Success print out the string using ConOut.\r |
| 275 | @retval EFI_STATUS Return the status of the ConOut->OutputString ().\r |
| 276 | \r |
| 277 | **/\r |
| 278 | EFI_STATUS\r |
| 279 | EFIAPI\r |
| 280 | BdsLibOutputStrings (\r |
| 281 | IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *ConOut,\r |
| 282 | ...\r |
| 283 | );\r |
| 284 | \r |
| 285 | /**\r |
| 286 | Build the boot#### or driver#### option from the VariableName, the\r |
| 287 | build boot#### or driver#### will also be linked to BdsCommonOptionList.\r |
| 288 | \r |
| 289 | @param BdsCommonOptionList The header of the boot#### or driver#### option\r |
| 290 | link list\r |
| 291 | @param VariableName EFI Variable name indicate if it is boot#### or\r |
| 292 | driver####\r |
| 293 | \r |
| 294 | @retval BDS_COMMON_OPTION Get the option just been created\r |
| 295 | @retval NULL Failed to get the new option\r |
| 296 | \r |
| 297 | **/\r |
| 298 | BDS_COMMON_OPTION *\r |
| 299 | EFIAPI\r |
| 300 | BdsLibVariableToOption (\r |
| 301 | IN OUT LIST_ENTRY *BdsCommonOptionList,\r |
| 302 | IN CHAR16 *VariableName\r |
| 303 | );\r |
| 304 | \r |
| 305 | /**\r |
| 306 | This function will register the new boot#### or driver#### option base on\r |
| 307 | the VariableName. The new registered boot#### or driver#### will be linked\r |
| 308 | to BdsOptionList and also update to the VariableName. After the boot#### or\r |
| 309 | driver#### updated, the BootOrder or DriverOrder will also be updated.\r |
| 310 | \r |
| 311 | @param BdsOptionList The header of the boot#### or driver#### link list\r |
| 312 | @param DevicePath The device path which the boot#### or driver####\r |
| 313 | option present\r |
| 314 | @param String The description of the boot#### or driver####\r |
| 315 | @param VariableName Indicate if the boot#### or driver#### option\r |
| 316 | \r |
| 317 | @retval EFI_SUCCESS The boot#### or driver#### have been success\r |
| 318 | registered\r |
| 319 | @retval EFI_STATUS Return the status of gRT->SetVariable ().\r |
| 320 | \r |
| 321 | **/\r |
| 322 | EFI_STATUS\r |
| 323 | EFIAPI\r |
| 324 | BdsLibRegisterNewOption (\r |
| 325 | IN LIST_ENTRY *BdsOptionList,\r |
| 326 | IN EFI_DEVICE_PATH_PROTOCOL *DevicePath,\r |
| 327 | IN CHAR16 *String,\r |
| 328 | IN CHAR16 *VariableName\r |
| 329 | );\r |
| 330 | \r |
| 331 | //\r |
| 332 | // Bds connect or disconnect driver lib funcion\r |
| 333 | //\r |
| 334 | /**\r |
| 335 | Connects all drivers to all controllers.\r |
| 336 | This function make sure all the current system driver will manage\r |
| 337 | the correspoinding controllers if have. And at the same time, make\r |
| 338 | sure all the system controllers have driver to manage it if have.\r |
| 339 | \r |
| 340 | **/\r |
| 341 | VOID\r |
| 342 | EFIAPI\r |
| 343 | BdsLibConnectAllDriversToAllControllers (\r |
| 344 | VOID\r |
| 345 | );\r |
| 346 | \r |
| 347 | /**\r |
| 348 | This function will connect all the system driver to controller\r |
| 349 | first, and then special connect the default console, this make\r |
| 350 | sure all the system controller available and the platform default\r |
| 351 | console connected.\r |
| 352 | \r |
| 353 | **/\r |
| 354 | VOID\r |
| 355 | EFIAPI\r |
| 356 | BdsLibConnectAll (\r |
| 357 | VOID\r |
| 358 | );\r |
| 359 | \r |
| 360 | /**\r |
| 361 | This function will create all handles associate with every device\r |
| 362 | path node. If the handle associate with one device path node can not\r |
| 363 | be created success, then still give one chance to do the dispatch,\r |
| 364 | which load the missing drivers if possible.\r |
| 365 | \r |
| 366 | @param DevicePathToConnect The device path which will be connected, it can be\r |
| 367 | a multi-instance device path\r |
| 368 | \r |
| 369 | @retval EFI_SUCCESS All handles associate with every device path node\r |
| 370 | have been created\r |
| 371 | @retval EFI_OUT_OF_RESOURCES There is no resource to create new handles\r |
| 372 | @retval EFI_NOT_FOUND Create the handle associate with one device path\r |
| 373 | node failed\r |
| 374 | \r |
| 375 | **/\r |
| 376 | EFI_STATUS\r |
| 377 | EFIAPI\r |
| 378 | BdsLibConnectDevicePath (\r |
| 379 | IN EFI_DEVICE_PATH_PROTOCOL *DevicePathToConnect\r |
| 380 | );\r |
| 381 | \r |
| 382 | /**\r |
| 383 | This function will connect all current system handles recursively. The\r |
| 384 | connection will finish until every handle's child handle created if it have.\r |
| 385 | \r |
| 386 | @retval EFI_SUCCESS All handles and it's child handle have been\r |
| 387 | connected\r |
| 388 | @retval EFI_STATUS Return the status of gBS->LocateHandleBuffer().\r |
| 389 | \r |
| 390 | **/\r |
| 391 | EFI_STATUS\r |
| 392 | EFIAPI\r |
| 393 | BdsLibConnectAllEfi (\r |
| 394 | VOID\r |
| 395 | );\r |
| 396 | \r |
| 397 | \r |
| 398 | /**\r |
| 399 | This function will disconnect all current system handles. The disconnection\r |
| 400 | will finish until every handle have been disconnected.\r |
| 401 | \r |
| 402 | @retval EFI_SUCCESS All handles have been disconnected\r |
| 403 | @retval EFI_STATUS Return the status of gBS->LocateHandleBuffer().\r |
| 404 | \r |
| 405 | **/\r |
| 406 | EFI_STATUS\r |
| 407 | EFIAPI\r |
| 408 | BdsLibDisconnectAllEfi (\r |
| 409 | VOID\r |
| 410 | );\r |
| 411 | \r |
| 412 | //\r |
| 413 | // Bds console related lib functions\r |
| 414 | //\r |
| 415 | /**\r |
| 416 | This function will search every simpletxt devive in current system,\r |
| 417 | and make every simpletxt device as pertantial console device.\r |
| 418 | \r |
| 419 | **/\r |
| 420 | VOID\r |
| 421 | EFIAPI\r |
| 422 | BdsLibConnectAllConsoles (\r |
| 423 | VOID\r |
| 424 | );\r |
| 425 | \r |
| 426 | \r |
| 427 | /**\r |
| 428 | This function will connect console device base on the console\r |
| 429 | device variable ConIn, ConOut and ErrOut.\r |
| 430 | \r |
| 431 | @retval EFI_SUCCESS At least one of the ConIn and ConOut device have\r |
| 432 | been connected success.\r |
| 433 | @retval EFI_STATUS Return the status of BdsLibConnectConsoleVariable ().\r |
| 434 | \r |
| 435 | **/\r |
| 436 | EFI_STATUS\r |
| 437 | EFIAPI\r |
| 438 | BdsLibConnectAllDefaultConsoles (\r |
| 439 | VOID\r |
| 440 | );\r |
| 441 | \r |
| 442 | /**\r |
| 443 | This function update console variable based on ConVarName, it can\r |
| 444 | add or remove one specific console device path from the variable\r |
| 445 | \r |
| 446 | @param ConVarName Console related variable name, ConIn, ConOut,\r |
| 447 | ErrOut.\r |
| 448 | @param CustomizedConDevicePath The console device path which will be added to\r |
| 449 | the console variable ConVarName, this parameter\r |
| 450 | can not be multi-instance.\r |
| 451 | @param ExclusiveDevicePath The console device path which will be removed\r |
| 452 | from the console variable ConVarName, this\r |
| 453 | parameter can not be multi-instance.\r |
| 454 | \r |
| 455 | @retval EFI_UNSUPPORTED The added device path is same to the removed one.\r |
| 456 | @retval EFI_SUCCESS Success add or remove the device path from the\r |
| 457 | console variable.\r |
| 458 | \r |
| 459 | **/\r |
| 460 | EFI_STATUS\r |
| 461 | EFIAPI\r |
| 462 | BdsLibUpdateConsoleVariable (\r |
| 463 | IN CHAR16 *ConVarName,\r |
| 464 | IN EFI_DEVICE_PATH_PROTOCOL *CustomizedConDevicePath,\r |
| 465 | IN EFI_DEVICE_PATH_PROTOCOL *ExclusiveDevicePath\r |
| 466 | );\r |
| 467 | \r |
| 468 | /**\r |
| 469 | Connect the console device base on the variable ConVarName, if\r |
| 470 | device path of the ConVarName is multi-instance device path, if\r |
| 471 | anyone of the instances is connected success, then this function\r |
| 472 | will return success.\r |
| 473 | \r |
| 474 | @param ConVarName Console related variable name, ConIn, ConOut,\r |
| 475 | ErrOut.\r |
| 476 | \r |
| 477 | @retval EFI_NOT_FOUND There is not any console devices connected\r |
| 478 | success\r |
| 479 | @retval EFI_SUCCESS Success connect any one instance of the console\r |
| 480 | device path base on the variable ConVarName.\r |
| 481 | \r |
| 482 | **/\r |
| 483 | EFI_STATUS\r |
| 484 | EFIAPI\r |
| 485 | BdsLibConnectConsoleVariable (\r |
| 486 | IN CHAR16 *ConVarName\r |
| 487 | );\r |
| 488 | \r |
| 489 | //\r |
| 490 | // Bds device path related lib functions\r |
| 491 | //\r |
| 492 | /**\r |
| 493 | Delete the instance in Multi which matches partly with Single instance\r |
| 494 | \r |
| 495 | @param Multi A pointer to a multi-instance device path data\r |
| 496 | structure.\r |
| 497 | @param Single A pointer to a single-instance device path data\r |
| 498 | structure.\r |
| 499 | \r |
| 500 | @return This function will remove the device path instances in Multi which partly\r |
| 501 | match with the Single, and return the result device path. If there is no\r |
| 502 | remaining device path as a result, this function will return NULL.\r |
| 503 | \r |
| 504 | **/\r |
| 505 | EFI_DEVICE_PATH_PROTOCOL *\r |
| 506 | EFIAPI\r |
| 507 | BdsLibDelPartMatchInstance (\r |
| 508 | IN EFI_DEVICE_PATH_PROTOCOL *Multi,\r |
| 509 | IN EFI_DEVICE_PATH_PROTOCOL *Single\r |
| 510 | );\r |
| 511 | \r |
| 512 | /**\r |
| 513 | Function compares a device path data structure to that of all the nodes of a\r |
| 514 | second device path instance.\r |
| 515 | \r |
| 516 | @param Multi A pointer to a multi-instance device path data\r |
| 517 | structure.\r |
| 518 | @param Single A pointer to a single-instance device path data\r |
| 519 | structure.\r |
| 520 | \r |
| 521 | @retval TRUE If the Single device path is contained within Multi device path.\r |
| 522 | @retval FALSE The Single device path is not match within Multi device path.\r |
| 523 | \r |
| 524 | **/\r |
| 525 | BOOLEAN\r |
| 526 | EFIAPI\r |
| 527 | BdsLibMatchDevicePaths (\r |
| 528 | IN EFI_DEVICE_PATH_PROTOCOL *Multi,\r |
| 529 | IN EFI_DEVICE_PATH_PROTOCOL *Single\r |
| 530 | );\r |
| 531 | \r |
| 532 | /**\r |
| 533 | This function converts an input device structure to a Unicode string.\r |
| 534 | \r |
| 535 | @param DevPath A pointer to the device path structure.\r |
| 536 | \r |
| 537 | @return A new allocated Unicode string that represents the device path.\r |
| 538 | \r |
| 539 | **/\r |
| 540 | CHAR16 *\r |
| 541 | EFIAPI\r |
| 542 | DevicePathToStr (\r |
| 543 | IN EFI_DEVICE_PATH_PROTOCOL *DevPath\r |
| 544 | );\r |
| 545 | \r |
| 546 | \r |
| 547 | //\r |
| 548 | // Internal definitions\r |
| 549 | //\r |
| 550 | typedef struct {\r |
| 551 | CHAR16 *str;\r |
| 552 | UINTN len;\r |
| 553 | UINTN maxlen;\r |
| 554 | } POOL_PRINT;\r |
| 555 | \r |
| 556 | typedef struct {\r |
| 557 | UINT8 Type;\r |
| 558 | UINT8 SubType;\r |
| 559 | VOID (*Function) (POOL_PRINT *, VOID *);\r |
| 560 | } DEVICE_PATH_STRING_TABLE;\r |
| 561 | \r |
| 562 | extern EFI_GUID mEfiDevicePathMessagingUartFlowControlGuid;\r |
| 563 | \r |
| 564 | typedef struct {\r |
| 565 | EFI_DEVICE_PATH_PROTOCOL Header;\r |
| 566 | EFI_GUID Guid;\r |
| 567 | UINT8 VendorDefinedData[1];\r |
| 568 | } VENDOR_DEVICE_PATH_WITH_DATA;\r |
| 569 | \r |
| 570 | \r |
| 571 | extern EFI_GUID mEfiDevicePathMessagingSASGuid;\r |
| 572 | \r |
| 573 | typedef struct {\r |
| 574 | EFI_DEVICE_PATH_PROTOCOL Header;\r |
| 575 | UINT16 NetworkProtocol;\r |
| 576 | UINT16 LoginOption;\r |
| 577 | UINT64 Lun;\r |
| 578 | UINT16 TargetPortalGroupTag;\r |
| 579 | CHAR16 iSCSITargetName[1];\r |
| 580 | } ISCSI_DEVICE_PATH_WITH_NAME;\r |
| 581 | \r |
| 582 | \r |
| 583 | //\r |
| 584 | // Notes: EFI 64 shadow all option rom\r |
| 585 | //\r |
| 586 | #if defined (MDE_CPU_IPF)\r |
| 587 | #define EFI64_SHADOW_ALL_LEGACY_ROM() ShadowAllOptionRom ();\r |
| 588 | #else\r |
| 589 | #define EFI64_SHADOW_ALL_LEGACY_ROM()\r |
| 590 | #endif\r |
| 591 | \r |
| 592 | /**\r |
| 593 | Shadow all Legacy OptionRom. \r |
| 594 | \r |
| 595 | **/\r |
| 596 | VOID\r |
| 597 | EFIAPI\r |
| 598 | ShadowAllOptionRom (\r |
| 599 | VOID\r |
| 600 | );\r |
| 601 | \r |
| 602 | //\r |
| 603 | // BBS support macros and functions\r |
| 604 | //\r |
| 605 | \r |
| 606 | #if defined(MDE_CPU_IA32) || defined(MDE_CPU_X64)\r |
| 607 | #define REFRESH_LEGACY_BOOT_OPTIONS \\r |
| 608 | BdsDeleteAllInvalidLegacyBootOptions ();\\r |
| 609 | BdsAddNonExistingLegacyBootOptions (); \\r |
| 610 | BdsUpdateLegacyDevOrder ()\r |
| 611 | #else\r |
| 612 | #define REFRESH_LEGACY_BOOT_OPTIONS\r |
| 613 | #endif\r |
| 614 | \r |
| 615 | /**\r |
| 616 | Delete all the invalid legacy boot options.\r |
| 617 | \r |
| 618 | @retval EFI_SUCCESS All invalide legacy boot options are deleted.\r |
| 619 | @retval EFI_OUT_OF_RESOURCES Fail to allocate necessary memory.\r |
| 620 | @retval EFI_NOT_FOUND Fail to retrive variable of boot order.\r |
| 621 | \r |
| 622 | **/\r |
| 623 | EFI_STATUS\r |
| 624 | EFIAPI\r |
| 625 | BdsDeleteAllInvalidLegacyBootOptions (\r |
| 626 | VOID\r |
| 627 | );\r |
| 628 | \r |
| 629 | /**\r |
| 630 | \r |
| 631 | Add the legacy boot options from BBS table if they do not exist.\r |
| 632 | \r |
| 633 | @retval EFI_SUCCESS The boot options are added successfully \r |
| 634 | or they are already in boot options.\r |
| 635 | \r |
| 636 | **/\r |
| 637 | EFI_STATUS\r |
| 638 | EFIAPI\r |
| 639 | BdsAddNonExistingLegacyBootOptions (\r |
| 640 | VOID\r |
| 641 | );\r |
| 642 | \r |
| 643 | /**\r |
| 644 | \r |
| 645 | Add the legacy boot devices from BBS table into \r |
| 646 | the legacy device boot order.\r |
| 647 | \r |
| 648 | @retval EFI_SUCCESS The boot devices are added successfully.\r |
| 649 | \r |
| 650 | **/\r |
| 651 | EFI_STATUS\r |
| 652 | EFIAPI\r |
| 653 | BdsUpdateLegacyDevOrder (\r |
| 654 | VOID\r |
| 655 | );\r |
| 656 | \r |
| 657 | /**\r |
| 658 | \r |
| 659 | Set the boot priority for BBS entries based on boot option entry and boot order.\r |
| 660 | \r |
| 661 | @param Entry The boot option is to be checked for refresh BBS table.\r |
| 662 | \r |
| 663 | @retval EFI_SUCCESS The boot priority for BBS entries is refreshed successfully.\r |
| 664 | \r |
| 665 | **/\r |
| 666 | EFI_STATUS\r |
| 667 | EFIAPI\r |
| 668 | BdsRefreshBbsTableForBoot (\r |
| 669 | IN BDS_COMMON_OPTION *Entry\r |
| 670 | );\r |
| 671 | \r |
| 672 | /**\r |
| 673 | \r |
| 674 | Delete boot option specified by OptionNumber and adjust the boot order.\r |
| 675 | \r |
| 676 | @param OptionNumber The boot option to be deleted.\r |
| 677 | @param BootOrder Boot order list to be adjusted by remove this boot option.\r |
| 678 | @param BootOrderSize The size of Boot order list will be modified.\r |
| 679 | \r |
| 680 | @retval EFI_SUCCESS The boot option is deleted successfully.\r |
| 681 | \r |
| 682 | **/\r |
| 683 | EFI_STATUS\r |
| 684 | EFIAPI\r |
| 685 | BdsDeleteBootOption (\r |
| 686 | IN UINTN OptionNumber,\r |
| 687 | IN OUT UINT16 *BootOrder,\r |
| 688 | IN OUT UINTN *BootOrderSize\r |
| 689 | );\r |
| 690 | \r |
| 691 | //\r |
| 692 | //The interface functions relate with Setup Browser Reset Reminder feature\r |
| 693 | //\r |
| 694 | /**\r |
| 695 | Enable the setup browser reset reminder feature.\r |
| 696 | This routine is used in platform tip. If the platform policy need the feature, use the routine to enable it.\r |
| 697 | \r |
| 698 | **/\r |
| 699 | VOID\r |
| 700 | EFIAPI\r |
| 701 | EnableResetReminderFeature (\r |
| 702 | VOID\r |
| 703 | );\r |
| 704 | \r |
| 705 | /**\r |
| 706 | Disable the setup browser reset reminder feature.\r |
| 707 | This routine is used in platform tip. If the platform policy do not want the feature, use the routine to disable it.\r |
| 708 | \r |
| 709 | **/\r |
| 710 | VOID\r |
| 711 | EFIAPI\r |
| 712 | DisableResetReminderFeature (\r |
| 713 | VOID\r |
| 714 | );\r |
| 715 | \r |
| 716 | /**\r |
| 717 | Record the info that a reset is required.\r |
| 718 | A module boolean variable is used to record whether a reset is required.\r |
| 719 | \r |
| 720 | **/\r |
| 721 | VOID\r |
| 722 | EFIAPI\r |
| 723 | EnableResetRequired (\r |
| 724 | VOID\r |
| 725 | );\r |
| 726 | \r |
| 727 | \r |
| 728 | /**\r |
| 729 | Record the info that no reset is required.\r |
| 730 | A module boolean variable is used to record whether a reset is required.\r |
| 731 | \r |
| 732 | **/\r |
| 733 | VOID\r |
| 734 | EFIAPI\r |
| 735 | DisableResetRequired (\r |
| 736 | VOID\r |
| 737 | );\r |
| 738 | \r |
| 739 | /**\r |
| 740 | Check whether platform policy enable the reset reminder feature. The default is enabled.\r |
| 741 | \r |
| 742 | **/\r |
| 743 | BOOLEAN\r |
| 744 | EFIAPI\r |
| 745 | IsResetReminderFeatureEnable (\r |
| 746 | VOID\r |
| 747 | );\r |
| 748 | \r |
| 749 | /**\r |
| 750 | Check if user changed any option setting which needs a system reset to be effective.\r |
| 751 | \r |
| 752 | **/\r |
| 753 | BOOLEAN\r |
| 754 | EFIAPI\r |
| 755 | IsResetRequired (\r |
| 756 | VOID\r |
| 757 | );\r |
| 758 | \r |
| 759 | /**\r |
| 760 | Check whether a reset is needed, and finish the reset reminder feature.\r |
| 761 | If a reset is needed, Popup a menu to notice user, and finish the feature\r |
| 762 | according to the user selection.\r |
| 763 | \r |
| 764 | **/\r |
| 765 | VOID\r |
| 766 | EFIAPI\r |
| 767 | SetupResetReminder (\r |
| 768 | VOID\r |
| 769 | );\r |
| 770 | \r |
| ddac74d1 |
771 | //\r |
| 772 | // Define the boot type which to classify the boot option type\r |
| 773 | // Different boot option type could have different boot behavior\r |
| 774 | // Use their device path node (Type + SubType) as type value\r |
| 775 | // The boot type here can be added according to requirement\r |
| 776 | //\r |
| 777 | //\r |
| 778 | // ACPI boot type. For ACPI device, cannot use sub-type to distinguish device, so hardcode their value\r |
| 779 | //\r |
| 780 | #define BDS_EFI_ACPI_FLOPPY_BOOT 0x0201\r |
| 781 | //\r |
| 782 | // Message boot type\r |
| 783 | // If a device path of boot option only point to a message node, the boot option is message boot type\r |
| 784 | //\r |
| 785 | #define BDS_EFI_MESSAGE_ATAPI_BOOT 0x0301 // Type 03; Sub-Type 01\r |
| 786 | #define BDS_EFI_MESSAGE_SCSI_BOOT 0x0302 // Type 03; Sub-Type 02\r |
| 787 | #define BDS_EFI_MESSAGE_USB_DEVICE_BOOT 0x0305 // Type 03; Sub-Type 05\r |
| 788 | #define BDS_EFI_MESSAGE_MISC_BOOT 0x03FF\r |
| 789 | //\r |
| 790 | // Media boot type\r |
| 791 | // If a device path of boot option contain a media node, the boot option is media boot type\r |
| 792 | //\r |
| 793 | #define BDS_EFI_MEDIA_HD_BOOT 0x0401 // Type 04; Sub-Type 01\r |
| 794 | #define BDS_EFI_MEDIA_CDROM_BOOT 0x0402 // Type 04; Sub-Type 02\r |
| 795 | //\r |
| 796 | // BBS boot type\r |
| 797 | // If a device path of boot option contain a BBS node, the boot option is BBS boot type\r |
| 798 | //\r |
| 799 | #define BDS_LEGACY_BBS_BOOT 0x0501 // Type 05; Sub-Type 01\r |
| 800 | \r |
| 801 | #define BDS_EFI_UNSUPPORT 0xFFFF\r |
| 802 | \r |
| 803 | //\r |
| 804 | // USB host controller Programming Interface.\r |
| 805 | //\r |
| 806 | #define PCI_CLASSC_PI_UHCI 0x00\r |
| 807 | #define PCI_CLASSC_PI_EHCI 0x20\r |
| 808 | \r |
| 809 | /**\r |
| 810 | Check whether there is a instance in BlockIoDevicePath, which contain multi device path\r |
| 811 | instances, has the same partition node with HardDriveDevicePath device path\r |
| 812 | \r |
| 813 | @param BlockIoDevicePath Multi device path instances which need to check\r |
| 814 | @param HardDriveDevicePath A device path which starts with a hard drive media\r |
| 815 | device path.\r |
| 816 | \r |
| 817 | @retval TRUE There is a matched device path instance.\r |
| 818 | @retval FALSE There is no matched device path instance.\r |
| 819 | \r |
| 820 | **/\r |
| 821 | BOOLEAN\r |
| 822 | EFIAPI\r |
| 823 | MatchPartitionDevicePathNode (\r |
| 824 | IN EFI_DEVICE_PATH_PROTOCOL *BlockIoDevicePath,\r |
| 825 | IN HARDDRIVE_DEVICE_PATH *HardDriveDevicePath\r |
| 826 | );\r |
| 827 | \r |
| 828 | \r |
| 829 | /**\r |
| 830 | Expand a device path that starts with a hard drive media device path node to be a\r |
| 831 | full device path that includes the full hardware path to the device. We need\r |
| 832 | to do this so it can be booted. As an optimizaiton the front match (the part point\r |
| 833 | to the partition node. E.g. ACPI() /PCI()/ATA()/Partition() ) is saved in a variable\r |
| 834 | so a connect all is not required on every boot. All successful history device path\r |
| 835 | which point to partition node (the front part) will be saved.\r |
| 836 | \r |
| 837 | @param HardDriveDevicePath EFI Device Path to boot, if it starts with a hard\r |
| 838 | drive media device path.\r |
| 839 | @return A Pointer to the full device path or NULL if a valid Hard Drive devic path\r |
| 840 | cannot be found.\r |
| 841 | \r |
| 842 | **/\r |
| 843 | EFI_DEVICE_PATH_PROTOCOL *\r |
| 844 | EFIAPI\r |
| 845 | BdsExpandPartitionPartialDevicePathToFull (\r |
| 846 | IN HARDDRIVE_DEVICE_PATH *HardDriveDevicePath\r |
| 847 | );\r |
| 848 | \r |
| 849 | /**\r |
| 850 | Return the bootable media handle.\r |
| 851 | First, check the device is connected\r |
| 852 | Second, check whether the device path point to a device which support SimpleFileSystemProtocol,\r |
| 853 | Third, detect the the default boot file in the Media, and return the removable Media handle.\r |
| 854 | \r |
| 855 | @param DevicePath Device Path to a bootable device\r |
| 856 | \r |
| 857 | @retval NULL The media on the DevicePath is not bootable\r |
| 858 | \r |
| 859 | **/\r |
| 860 | EFI_HANDLE\r |
| 861 | EFIAPI\r |
| 862 | BdsLibGetBootableHandle (\r |
| 863 | IN EFI_DEVICE_PATH_PROTOCOL *DevicePath\r |
| 864 | );\r |
| 865 | \r |
| 866 | \r |
| 867 | /**\r |
| 868 | Check whether the Device path in a boot option point to a valide bootable device,\r |
| 869 | And if CheckMedia is true, check the device is ready to boot now.\r |
| 870 | \r |
| 871 | @param DevPath the Device path in a boot option\r |
| 872 | @param CheckMedia if true, check the device is ready to boot now.\r |
| 873 | \r |
| 874 | @retval TRUE the Device path is valide\r |
| 875 | @retval FALSE the Device path is invalide .\r |
| 876 | \r |
| 877 | **/\r |
| 878 | BOOLEAN\r |
| 879 | EFIAPI\r |
| 880 | BdsLibIsValidEFIBootOptDevicePath (\r |
| 881 | IN EFI_DEVICE_PATH_PROTOCOL *DevPath,\r |
| 882 | IN BOOLEAN CheckMedia\r |
| 883 | );\r |
| 884 | \r |
| 885 | /**\r |
| 886 | For a bootable Device path, return its boot type.\r |
| 887 | \r |
| 888 | @param DevicePath The bootable device Path to check\r |
| 889 | \r |
| 890 | @retval BDS_EFI_MEDIA_HD_BOOT If the device path contains any media deviec path node, it is media boot type\r |
| 891 | For the floppy node, handle it as media node\r |
| 892 | @retval BDS_EFI_MEDIA_CDROM_BOOT If the device path contains any media deviec path node, it is media boot type\r |
| 893 | For the floppy node, handle it as media node\r |
| 894 | @retval BDS_EFI_ACPI_FLOPPY_BOOT If the device path contains any media deviec path node, it is media boot type\r |
| 895 | For the floppy node, handle it as media node\r |
| 896 | @retval BDS_EFI_MESSAGE_ATAPI_BOOT If the device path not contains any media deviec path node, and\r |
| 897 | its last device path node point to a message device path node, it is\r |
| 898 | \r |
| 899 | @retval BDS_EFI_MESSAGE_SCSI_BOOT If the device path not contains any media deviec path node, and\r |
| 900 | its last device path node point to a message device path node, it is\r |
| 901 | @retval BDS_EFI_MESSAGE_USB_DEVICE_BOOT If the device path not contains any media deviec path node, and\r |
| 902 | its last device path node point to a message device path node, it is\r |
| 903 | @retval BDS_EFI_MESSAGE_MISC_BOOT If the device path not contains any media deviec path node, and\r |
| 904 | its last device path node point to a message device path node, it is\r |
| 905 | @retval BDS_LEGACY_BBS_BOOT Legacy boot type\r |
| 906 | @retval BDS_EFI_UNSUPPORT An EFI Removable BlockIO device path not point to a media and message devie, \r |
| 907 | \r |
| 908 | **/\r |
| 909 | UINT32\r |
| 910 | EFIAPI\r |
| 911 | BdsGetBootTypeFromDevicePath (\r |
| 912 | IN EFI_DEVICE_PATH_PROTOCOL *DevicePath\r |
| 913 | );\r |
| 914 | \r |
| 915 | \r |
| 916 | /**\r |
| 917 | This routine register a function to adjust the different type memory page number\r |
| 918 | just before booting and save the updated info into the variable for next boot to use.\r |
| 919 | \r |
| 920 | **/\r |
| 921 | VOID\r |
| 922 | EFIAPI\r |
| 923 | BdsLibSaveMemoryTypeInformation (\r |
| 924 | VOID\r |
| 925 | );\r |
| 926 | \r |
| 927 | \r |
| 928 | /**\r |
| 929 | According to a file guild, check a Fv file device path is valid. If it is invalid,\r |
| 930 | try to return the valid device path.\r |
| 931 | FV address maybe changes for memory layout adjust from time to time, use this funciton\r |
| 932 | could promise the Fv file device path is right.\r |
| 933 | \r |
| 934 | @param DevicePath on input, the Fv file device path need to check on\r |
| 935 | output, the updated valid Fv file device path\r |
| 936 | @param FileGuid the Fv file guild\r |
| 937 | \r |
| 938 | @retval EFI_INVALID_PARAMETER the input DevicePath or FileGuid is invalid\r |
| 939 | parameter\r |
| 940 | @retval EFI_UNSUPPORTED the input DevicePath does not contain Fv file\r |
| 941 | guild at all\r |
| 942 | @retval EFI_ALREADY_STARTED the input DevicePath has pointed to Fv file, it is\r |
| 943 | valid\r |
| 944 | @retval EFI_SUCCESS has successfully updated the invalid DevicePath,\r |
| 945 | and return the updated device path in DevicePath\r |
| 946 | \r |
| 947 | **/\r |
| 948 | EFI_STATUS\r |
| 949 | EFIAPI\r |
| 950 | BdsLibUpdateFvFileDevicePath (\r |
| 951 | IN OUT EFI_DEVICE_PATH_PROTOCOL ** DevicePath,\r |
| 952 | IN EFI_GUID *FileGuid\r |
| 953 | );\r |
| 954 | \r |
| 955 | \r |
| 956 | /**\r |
| 957 | Connect the specific Usb device which match the short form device path,\r |
| 958 | and whose bus is determined by Host Controller (Uhci or Ehci)\r |
| 959 | \r |
| 960 | @param HostControllerPI Uhci (0x00) or Ehci (0x20) or Both uhci and ehci\r |
| 961 | (0xFF)\r |
| 962 | @param RemainingDevicePath a short-form device path that starts with the first\r |
| 963 | element being a USB WWID or a USB Class device\r |
| 964 | path\r |
| 965 | \r |
| 966 | @retval EFI_SUCCESS The specific Usb device is connected successfully.\r |
| 967 | @retval EFI_INVALID_PARAMETER Invalid HostControllerPi (not 0x00, 0x20 or 0xFF) \r |
| 968 | or RemainingDevicePath is not the USB class device path.\r |
| 969 | @retval EFI_NOT_FOUND The device specified by device path is not found.\r |
| 970 | \r |
| 971 | **/\r |
| 972 | EFI_STATUS\r |
| 973 | EFIAPI\r |
| 974 | BdsLibConnectUsbDevByShortFormDP(\r |
| 975 | IN UINT8 HostControllerPI,\r |
| 976 | IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath\r |
| 977 | );\r |
| 978 | \r |
| 979 | \r |
| 980 | //\r |
| 981 | // The implementation of this function is provided by Platform code.\r |
| 982 | //\r |
| 983 | /**\r |
| 984 | Convert Vendor device path to device name.\r |
| 985 | \r |
| 986 | @param Str The buffer store device name\r |
| 987 | @param DevPath Pointer to vendor device path\r |
| 988 | \r |
| 989 | **/\r |
| 990 | VOID\r |
| ddac74d1 |
991 | DevPathVendor (\r |
| 992 | IN OUT POOL_PRINT *Str,\r |
| 993 | IN VOID *DevPath\r |
| 994 | );\r |
| 995 | \r |
| 996 | /**\r |
| 997 | Concatenates a formatted unicode string to allocated pool.\r |
| 998 | The caller must free the resulting buffer.\r |
| 999 | \r |
| 1000 | @param Str Tracks the allocated pool, size in use, and amount of pool allocated.\r |
| 1001 | @param fmt The format string\r |
| 1002 | @param ... The data will be printed.\r |
| 1003 | \r |
| 1004 | @return Allocated buffer with the formatted string printed in it.\r |
| 1005 | The caller must free the allocated buffer.\r |
| 1006 | The buffer allocation is not packed.\r |
| 1007 | \r |
| 1008 | **/\r |
| 1009 | CHAR16 *\r |
| 1010 | EFIAPI\r |
| 1011 | CatPrint (\r |
| 1012 | IN OUT POOL_PRINT *Str,\r |
| 1013 | IN CHAR16 *fmt,\r |
| 1014 | ...\r |
| 1015 | );\r |
| 1016 | \r |
| 1017 | /**\r |
| 1018 | Use Console Control to turn off UGA based Simple Text Out consoles from going\r |
| 1019 | to the UGA device. Put up LogoFile on every UGA device that is a console\r |
| 1020 | \r |
| 1021 | @param[in] LogoFile File name of logo to display on the center of the screen.\r |
| 1022 | \r |
| 1023 | @retval EFI_SUCCESS ConsoleControl has been flipped to graphics and logo displayed.\r |
| 1024 | @retval EFI_UNSUPPORTED Logo not found\r |
| 1025 | \r |
| 1026 | **/\r |
| 1027 | EFI_STATUS\r |
| 1028 | EFIAPI\r |
| 1029 | EnableQuietBoot (\r |
| 1030 | IN EFI_GUID *LogoFile\r |
| 1031 | );\r |
| 1032 | \r |
| 1033 | \r |
| 1034 | /**\r |
| 1035 | Use Console Control to turn on UGA based Simple Text Out consoles. The UGA \r |
| 1036 | Simple Text Out screens will now be synced up with all non UGA output devices\r |
| 1037 | \r |
| 1038 | @retval EFI_SUCCESS UGA devices are back in text mode and synced up.\r |
| 1039 | \r |
| 1040 | **/\r |
| 1041 | EFI_STATUS\r |
| 1042 | EFIAPI\r |
| 1043 | DisableQuietBoot (\r |
| 1044 | VOID\r |
| 1045 | );\r |
| 1046 | \r |
| 1047 | /**\r |
| 1048 | Use Console Control Protocol to lock the Console In Spliter virtual handle. \r |
| 1049 | This is the ConInHandle and ConIn handle in the EFI system table. All key\r |
| 1050 | presses will be ignored until the Password is typed in. The only way to\r |
| 1051 | disable the password is to type it in to a ConIn device.\r |
| 1052 | \r |
| 1053 | @param Password Password used to lock ConIn device.\r |
| 1054 | \r |
| 1055 | @retval EFI_SUCCESS lock the Console In Spliter virtual handle successfully.\r |
| 1056 | @retval EFI_UNSUPPORTED Password not found\r |
| 1057 | \r |
| 1058 | **/\r |
| 1059 | EFI_STATUS\r |
| 1060 | EFIAPI\r |
| 1061 | LockKeyboards (\r |
| 1062 | IN CHAR16 *Password\r |
| 1063 | );\r |
| 1064 | \r |
| 1065 | #endif\r |
| 1066 | \r |
projects / mirror_edk2.git / blame