projects / mirror_edk2.git / blame
| Commit | Line | Data |
|---|---|---|
| fc198a79 LG |
1 | /*++\r |
| 2 | \r | |
| c8dd259d | 3 | Copyright (c) 2006 - 2007, Intel Corporation\r |
| 4 | All rights reserved. This program and the accompanying materials\r | |
| 5 | are licensed and made available under the terms and conditions of the BSD License\r | |
| 6 | which accompanies this distribution. The full text of the license may be found at\r | |
| 7 | http://opensource.org/licenses/bsd-license.php\r | |
| 8 | \r | |
| 9 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
| 10 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
| fc198a79 LG |
11 | \r |
| 12 | Module Name:\r | |
| 13 | \r | |
| 14 | ConPlatform.c\r | |
| c8dd259d | 15 | \r |
| fc198a79 LG |
16 | Abstract:\r |
| 17 | \r | |
| 18 | --*/\r | |
| 19 | \r | |
| 20 | #include "ConPlatform.h"\r | |
| 21 | \r | |
| 22 | EFI_DRIVER_BINDING_PROTOCOL gConPlatformTextInDriverBinding = {\r | |
| 23 | ConPlatformTextInDriverBindingSupported,\r | |
| 24 | ConPlatformTextInDriverBindingStart,\r | |
| 06fb8ffd | 25 | ConPlatformTextInDriverBindingStop,\r |
| 61fb1657 | 26 | 0xa,\r |
| fc198a79 LG |
27 | NULL,\r |
| 28 | NULL\r | |
| 29 | };\r | |
| 30 | \r | |
| 31 | EFI_DRIVER_BINDING_PROTOCOL gConPlatformTextOutDriverBinding = {\r | |
| 32 | ConPlatformTextOutDriverBindingSupported,\r | |
| 33 | ConPlatformTextOutDriverBindingStart,\r | |
| 06fb8ffd | 34 | ConPlatformTextOutDriverBindingStop,\r |
| 61fb1657 | 35 | 0xa,\r |
| fc198a79 LG |
36 | NULL,\r |
| 37 | NULL\r | |
| 38 | };\r | |
| 39 | \r | |
| fc198a79 LG |
40 | EFI_STATUS\r |
| 41 | EFIAPI\r | |
| 42 | ConPlatformTextInDriverBindingSupported (\r | |
| 43 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r | |
| 44 | IN EFI_HANDLE ControllerHandle,\r | |
| 45 | IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath\r | |
| 46 | )\r | |
| 47 | /*++\r | |
| 48 | \r | |
| 49 | Routine Description:\r | |
| c8dd259d | 50 | Supported\r |
| fc198a79 LG |
51 | \r |
| 52 | Arguments:\r | |
| 53 | (Standard DriverBinding Protocol Supported() function)\r | |
| 54 | \r | |
| 55 | Returns:\r | |
| 56 | \r | |
| 57 | None\r | |
| 58 | \r | |
| 59 | --*/\r | |
| 60 | {\r | |
| 61 | return ConPlatformDriverBindingSupported (\r | |
| 62 | This,\r | |
| 63 | ControllerHandle,\r | |
| 64 | RemainingDevicePath,\r | |
| 65 | &gEfiSimpleTextInProtocolGuid\r | |
| 66 | );\r | |
| 67 | }\r | |
| 68 | \r | |
| fc198a79 LG |
69 | EFI_STATUS\r |
| 70 | EFIAPI\r | |
| 71 | ConPlatformTextOutDriverBindingSupported (\r | |
| 72 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r | |
| 73 | IN EFI_HANDLE ControllerHandle,\r | |
| 74 | IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath\r | |
| 75 | )\r | |
| 76 | /*++\r | |
| 77 | \r | |
| 78 | Routine Description:\r | |
| c8dd259d | 79 | Supported\r |
| fc198a79 LG |
80 | \r |
| 81 | Arguments:\r | |
| 82 | (Standard DriverBinding Protocol Supported() function)\r | |
| 83 | \r | |
| 84 | Returns:\r | |
| 85 | \r | |
| 86 | None\r | |
| 87 | \r | |
| 88 | --*/\r | |
| 89 | {\r | |
| 90 | return ConPlatformDriverBindingSupported (\r | |
| 91 | This,\r | |
| 92 | ControllerHandle,\r | |
| 93 | RemainingDevicePath,\r | |
| 94 | &gEfiSimpleTextOutProtocolGuid\r | |
| 95 | );\r | |
| 96 | }\r | |
| 97 | \r | |
| 98 | EFI_STATUS\r | |
| 99 | ConPlatformDriverBindingSupported (\r | |
| 100 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r | |
| 101 | IN EFI_HANDLE ControllerHandle,\r | |
| 102 | IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath,\r | |
| 103 | IN EFI_GUID *ProtocolGuid\r | |
| 104 | )\r | |
| 105 | /*++\r | |
| 106 | \r | |
| 107 | Routine Description:\r | |
| c8dd259d | 108 | Supported\r |
| fc198a79 LG |
109 | \r |
| 110 | Arguments:\r | |
| 111 | (Standard DriverBinding Protocol Supported() function)\r | |
| 112 | \r | |
| 113 | Returns:\r | |
| 114 | \r | |
| 115 | None\r | |
| 116 | \r | |
| 117 | --*/\r | |
| 118 | {\r | |
| 119 | EFI_STATUS Status;\r | |
| 120 | VOID *Interface;\r | |
| 121 | \r | |
| 122 | //\r | |
| 123 | // Test to see if this is a physical device by checking to see if\r | |
| 124 | // it has a Device Path Protocol\r | |
| 125 | //\r | |
| 126 | Status = gBS->OpenProtocol (\r | |
| 127 | ControllerHandle,\r | |
| 128 | &gEfiDevicePathProtocolGuid,\r | |
| 129 | NULL,\r | |
| 130 | This->DriverBindingHandle,\r | |
| 131 | ControllerHandle,\r | |
| 132 | EFI_OPEN_PROTOCOL_TEST_PROTOCOL\r | |
| 133 | );\r | |
| 134 | if (EFI_ERROR (Status)) {\r | |
| 135 | return Status;\r | |
| 136 | }\r | |
| 137 | //\r | |
| 138 | // Test to see if this device supports the Simple Text Output Protocol\r | |
| 139 | //\r | |
| 140 | Status = gBS->OpenProtocol (\r | |
| 141 | ControllerHandle,\r | |
| 142 | ProtocolGuid,\r | |
| 143 | (VOID **) &Interface,\r | |
| 144 | This->DriverBindingHandle,\r | |
| 145 | ControllerHandle,\r | |
| 146 | EFI_OPEN_PROTOCOL_BY_DRIVER\r | |
| 147 | );\r | |
| 148 | if (EFI_ERROR (Status)) {\r | |
| 149 | return Status;\r | |
| 150 | }\r | |
| 151 | \r | |
| 152 | gBS->CloseProtocol (\r | |
| 153 | ControllerHandle,\r | |
| 154 | ProtocolGuid,\r | |
| 155 | This->DriverBindingHandle,\r | |
| 156 | ControllerHandle\r | |
| 157 | );\r | |
| 158 | \r | |
| 159 | return EFI_SUCCESS;\r | |
| 160 | }\r | |
| 161 | \r | |
| fc198a79 LG |
162 | EFI_STATUS\r |
| 163 | EFIAPI\r | |
| 164 | ConPlatformTextInDriverBindingStart (\r | |
| 165 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r | |
| 166 | IN EFI_HANDLE ControllerHandle,\r | |
| 167 | IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath\r | |
| 168 | )\r | |
| 169 | /*++\r | |
| 170 | \r | |
| 171 | Routine Description:\r | |
| 172 | \r | |
| 173 | \r | |
| 174 | Arguments:\r | |
| 175 | (Standard DriverBinding Protocol Start() function)\r | |
| 176 | \r | |
| 177 | Returns:\r | |
| 178 | \r | |
| 179 | \r | |
| 180 | --*/\r | |
| 181 | {\r | |
| 182 | EFI_STATUS Status;\r | |
| 183 | EFI_DEVICE_PATH_PROTOCOL *DevicePath;\r | |
| 184 | EFI_SIMPLE_TEXT_IN_PROTOCOL *TextIn;\r | |
| 185 | \r | |
| 186 | //\r | |
| 187 | // Get the Device Path Protocol so the environment variables can be updated\r | |
| 188 | //\r | |
| 189 | Status = gBS->OpenProtocol (\r | |
| 190 | ControllerHandle,\r | |
| 191 | &gEfiDevicePathProtocolGuid,\r | |
| 192 | (VOID **) &DevicePath,\r | |
| 193 | This->DriverBindingHandle,\r | |
| 194 | ControllerHandle,\r | |
| 195 | EFI_OPEN_PROTOCOL_GET_PROTOCOL\r | |
| 196 | );\r | |
| 197 | if (EFI_ERROR (Status)) {\r | |
| 198 | return Status;\r | |
| 199 | }\r | |
| 200 | //\r | |
| 201 | // Open the Simple Input Protocol BY_DRIVER\r | |
| 202 | //\r | |
| 203 | Status = gBS->OpenProtocol (\r | |
| 204 | ControllerHandle,\r | |
| 205 | &gEfiSimpleTextInProtocolGuid,\r | |
| 206 | (VOID **) &TextIn,\r | |
| 207 | This->DriverBindingHandle,\r | |
| 208 | ControllerHandle,\r | |
| 209 | EFI_OPEN_PROTOCOL_BY_DRIVER\r | |
| 210 | );\r | |
| 211 | if (EFI_ERROR (Status)) {\r | |
| 212 | return Status;\r | |
| 213 | }\r | |
| 214 | //\r | |
| 215 | // Check the device handle, if it is a hot plug device,\r | |
| 216 | // do not put the device path into ConInDev, and install\r | |
| 217 | // gEfiConsoleInDeviceGuid to the device handle directly.\r | |
| 218 | // The policy is, make hot plug device plug in and play immediately.\r | |
| 219 | //\r | |
| 220 | if (IsHotPlugDevice (This->DriverBindingHandle, ControllerHandle)) {\r | |
| 221 | gBS->InstallMultipleProtocolInterfaces (\r | |
| 222 | &ControllerHandle,\r | |
| 223 | &gEfiConsoleInDeviceGuid,\r | |
| 224 | NULL,\r | |
| 225 | NULL\r | |
| 226 | );\r | |
| 227 | } else {\r | |
| 228 | //\r | |
| 229 | // Append the device path to the ConInDev environment variable\r | |
| 230 | //\r | |
| 231 | ConPlatformUpdateDeviceVariable (\r | |
| 232 | VarConsoleInpDev,\r | |
| 233 | DevicePath,\r | |
| 234 | APPEND\r | |
| 235 | );\r | |
| 236 | \r | |
| 237 | //\r | |
| 238 | // If the device path is an instance in the ConIn environment variable,\r | |
| 239 | // then install EfiConsoleInDeviceGuid onto ControllerHandle\r | |
| 240 | //\r | |
| 241 | Status = ConPlatformUpdateDeviceVariable (\r | |
| 242 | VarConsoleInp,\r | |
| 243 | DevicePath,\r | |
| 244 | CHECK\r | |
| 245 | );\r | |
| 246 | \r | |
| 247 | if (!EFI_ERROR (Status)) {\r | |
| 248 | gBS->InstallMultipleProtocolInterfaces (\r | |
| 249 | &ControllerHandle,\r | |
| 250 | &gEfiConsoleInDeviceGuid,\r | |
| 251 | NULL,\r | |
| 252 | NULL\r | |
| 253 | );\r | |
| 254 | } else {\r | |
| 255 | gBS->CloseProtocol (\r | |
| 256 | ControllerHandle,\r | |
| 257 | &gEfiSimpleTextInProtocolGuid,\r | |
| 258 | This->DriverBindingHandle,\r | |
| 259 | ControllerHandle\r | |
| 260 | );\r | |
| 261 | }\r | |
| 262 | }\r | |
| 263 | \r | |
| 264 | return EFI_SUCCESS;\r | |
| 265 | }\r | |
| 266 | \r | |
| fc198a79 LG |
267 | EFI_STATUS\r |
| 268 | EFIAPI\r | |
| 269 | ConPlatformTextOutDriverBindingStart (\r | |
| 270 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r | |
| 271 | IN EFI_HANDLE ControllerHandle,\r | |
| 272 | IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath\r | |
| 273 | )\r | |
| 274 | /*++\r | |
| 275 | \r | |
| 276 | Routine Description:\r | |
| 277 | \r | |
| 278 | \r | |
| 279 | Arguments:\r | |
| 280 | (Standard DriverBinding Protocol Start() function)\r | |
| 281 | \r | |
| 282 | Returns:\r | |
| 283 | \r | |
| 284 | \r | |
| 285 | --*/\r | |
| 286 | {\r | |
| 287 | EFI_STATUS Status;\r | |
| 288 | EFI_DEVICE_PATH_PROTOCOL *DevicePath;\r | |
| 289 | EFI_SIMPLE_TEXT_OUT_PROTOCOL *TextOut;\r | |
| fc198a79 LG |
290 | BOOLEAN NeedClose;\r |
| 291 | \r | |
| 292 | NeedClose = TRUE;\r | |
| 293 | \r | |
| 294 | //\r | |
| 295 | // Get the Device Path Protocol so the environment variables can be updated\r | |
| 296 | //\r | |
| 297 | Status = gBS->OpenProtocol (\r | |
| 298 | ControllerHandle,\r | |
| 299 | &gEfiDevicePathProtocolGuid,\r | |
| 300 | (VOID **) &DevicePath,\r | |
| 301 | This->DriverBindingHandle,\r | |
| 302 | ControllerHandle,\r | |
| 303 | EFI_OPEN_PROTOCOL_GET_PROTOCOL\r | |
| 304 | );\r | |
| 305 | if (EFI_ERROR (Status)) {\r | |
| 306 | return Status;\r | |
| 307 | }\r | |
| 308 | //\r | |
| 309 | // Open the Simple Text Output Protocol BY_DRIVER\r | |
| 310 | //\r | |
| 311 | Status = gBS->OpenProtocol (\r | |
| 312 | ControllerHandle,\r | |
| 313 | &gEfiSimpleTextOutProtocolGuid,\r | |
| 314 | (VOID **) &TextOut,\r | |
| 315 | This->DriverBindingHandle,\r | |
| 316 | ControllerHandle,\r | |
| 317 | EFI_OPEN_PROTOCOL_BY_DRIVER\r | |
| 318 | );\r | |
| 319 | if (EFI_ERROR (Status)) {\r | |
| 320 | return Status;\r | |
| 321 | }\r | |
| 322 | //\r | |
| 323 | // Check the device handle, if it is a hot plug device,\r | |
| 324 | // do not put the device path into ConOutDev and StdErrDev,\r | |
| 325 | // and install gEfiConsoleOutDeviceGuid to the device handle directly.\r | |
| 326 | // The policy is, make hot plug device plug in and play immediately.\r | |
| 327 | //\r | |
| 328 | if (IsHotPlugDevice (This->DriverBindingHandle, ControllerHandle)) {\r | |
| 329 | gBS->InstallMultipleProtocolInterfaces (\r | |
| 330 | &ControllerHandle,\r | |
| 331 | &gEfiConsoleOutDeviceGuid,\r | |
| 332 | NULL,\r | |
| 333 | NULL\r | |
| 334 | );\r | |
| 335 | } else {\r | |
| 336 | //\r | |
| 337 | // Append the device path to the ConOutDev environment variable\r | |
| 338 | //\r | |
| 339 | ConPlatformUpdateDeviceVariable (\r | |
| 340 | VarConsoleOutDev,\r | |
| 341 | DevicePath,\r | |
| 342 | APPEND\r | |
| 343 | );\r | |
| 344 | //\r | |
| 345 | // Append the device path to the StdErrDev environment variable\r | |
| 346 | //\r | |
| 347 | ConPlatformUpdateDeviceVariable (\r | |
| 348 | VarErrorOutDev,\r | |
| 349 | DevicePath,\r | |
| 350 | APPEND\r | |
| 351 | );\r | |
| 352 | \r | |
| 353 | //\r | |
| 354 | // If the device path is an instance in the ConOut environment variable,\r | |
| 355 | // then install EfiConsoleOutDeviceGuid onto ControllerHandle\r | |
| 356 | //\r | |
| 357 | Status = ConPlatformUpdateDeviceVariable (\r | |
| 358 | VarConsoleOut,\r | |
| 359 | DevicePath,\r | |
| 360 | CHECK\r | |
| 361 | );\r | |
| 06fb8ffd | 362 | \r |
| fc198a79 LG |
363 | if (!EFI_ERROR (Status)) {\r |
| 364 | NeedClose = FALSE;\r | |
| 365 | Status = gBS->InstallMultipleProtocolInterfaces (\r | |
| 366 | &ControllerHandle,\r | |
| 367 | &gEfiConsoleOutDeviceGuid,\r | |
| 368 | NULL,\r | |
| 369 | NULL\r | |
| 370 | );\r | |
| 371 | }\r | |
| 372 | //\r | |
| 373 | // If the device path is an instance in the StdErr environment variable,\r | |
| 374 | // then install EfiStandardErrorDeviceGuid onto ControllerHandle\r | |
| 375 | //\r | |
| 376 | Status = ConPlatformUpdateDeviceVariable (\r | |
| 377 | VarErrorOut,\r | |
| 378 | DevicePath,\r | |
| 379 | CHECK\r | |
| 380 | );\r | |
| 381 | if (!EFI_ERROR (Status)) {\r | |
| 382 | NeedClose = FALSE;\r | |
| 383 | gBS->InstallMultipleProtocolInterfaces (\r | |
| 384 | &ControllerHandle,\r | |
| 385 | &gEfiStandardErrorDeviceGuid,\r | |
| 386 | NULL,\r | |
| 387 | NULL\r | |
| 388 | );\r | |
| 389 | }\r | |
| 390 | \r | |
| 391 | if (NeedClose) {\r | |
| 392 | gBS->CloseProtocol (\r | |
| 393 | ControllerHandle,\r | |
| 394 | &gEfiSimpleTextOutProtocolGuid,\r | |
| 395 | This->DriverBindingHandle,\r | |
| 396 | ControllerHandle\r | |
| 397 | );\r | |
| 398 | }\r | |
| 399 | }\r | |
| 400 | \r | |
| 401 | return EFI_SUCCESS;\r | |
| 402 | }\r | |
| 403 | \r | |
| fc198a79 LG |
404 | EFI_STATUS\r |
| 405 | EFIAPI\r | |
| 06fb8ffd | 406 | ConPlatformTextInDriverBindingStop (\r |
| fc198a79 LG |
407 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r |
| 408 | IN EFI_HANDLE ControllerHandle,\r | |
| 409 | IN UINTN NumberOfChildren,\r | |
| 410 | IN EFI_HANDLE *ChildHandleBuffer\r | |
| 411 | )\r | |
| 412 | /*++\r | |
| 413 | \r | |
| 414 | Routine Description:\r | |
| 415 | \r | |
| 416 | Arguments:\r | |
| 417 | (Standard DriverBinding Protocol Stop() function)\r | |
| 418 | \r | |
| 419 | Returns:\r | |
| 420 | \r | |
| 421 | None\r | |
| 422 | \r | |
| 423 | --*/\r | |
| 424 | {\r | |
| 425 | EFI_STATUS Status;\r | |
| 426 | EFI_DEVICE_PATH_PROTOCOL *DevicePath;\r | |
| 427 | \r | |
| 428 | //\r | |
| 429 | // hot plug device is not included into the console associated variables,\r | |
| 430 | // so no need to check variable for those hot plug devices.\r | |
| 431 | //\r | |
| 432 | if (!IsHotPlugDevice (This->DriverBindingHandle, ControllerHandle)) {\r | |
| 433 | //\r | |
| 434 | // Get the Device Path Protocol so the environment variables can be updated\r | |
| 435 | //\r | |
| 436 | Status = gBS->OpenProtocol (\r | |
| 437 | ControllerHandle,\r | |
| 438 | &gEfiDevicePathProtocolGuid,\r | |
| 439 | (VOID **) &DevicePath,\r | |
| 440 | This->DriverBindingHandle,\r | |
| 441 | ControllerHandle,\r | |
| 442 | EFI_OPEN_PROTOCOL_GET_PROTOCOL\r | |
| 443 | );\r | |
| 444 | if (!EFI_ERROR (Status)) {\r | |
| 445 | //\r | |
| 06fb8ffd | 446 | // Remove DevicePath from ConInDev\r |
| fc198a79 LG |
447 | //\r |
| 448 | ConPlatformUpdateDeviceVariable (\r | |
| 449 | VarConsoleInpDev,\r | |
| 450 | DevicePath,\r | |
| 451 | DELETE\r | |
| 452 | );\r | |
| 06fb8ffd | 453 | }\r |
| 454 | }\r | |
| 455 | //\r | |
| 456 | // Uninstall the Console Device GUIDs from Controller Handle\r | |
| 457 | //\r | |
| 458 | ConPlatformUnInstallProtocol (\r | |
| 459 | This,\r | |
| 460 | ControllerHandle,\r | |
| 461 | &gEfiConsoleInDeviceGuid\r | |
| 462 | );\r | |
| 463 | \r | |
| 464 | //\r | |
| 465 | // Close the Simple Input Protocol\r | |
| 466 | //\r | |
| 467 | gBS->CloseProtocol (\r | |
| 468 | ControllerHandle,\r | |
| 469 | &gEfiSimpleTextInProtocolGuid,\r | |
| 470 | This->DriverBindingHandle,\r | |
| 471 | ControllerHandle\r | |
| 472 | );\r | |
| 473 | \r | |
| 474 | return EFI_SUCCESS;\r | |
| 475 | }\r | |
| 476 | \r | |
| 477 | EFI_STATUS\r | |
| 478 | EFIAPI\r | |
| 479 | ConPlatformTextOutDriverBindingStop (\r | |
| 480 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r | |
| 481 | IN EFI_HANDLE ControllerHandle,\r | |
| 482 | IN UINTN NumberOfChildren,\r | |
| 483 | IN EFI_HANDLE *ChildHandleBuffer\r | |
| 484 | )\r | |
| 485 | /*++\r | |
| 486 | \r | |
| 487 | Routine Description:\r | |
| 488 | \r | |
| 489 | Arguments:\r | |
| 490 | (Standard DriverBinding Protocol Stop() function)\r | |
| 491 | \r | |
| 492 | Returns:\r | |
| 493 | \r | |
| 494 | None\r | |
| 495 | \r | |
| 496 | --*/\r | |
| 497 | {\r | |
| 498 | EFI_STATUS Status;\r | |
| 499 | EFI_DEVICE_PATH_PROTOCOL *DevicePath;\r | |
| 500 | \r | |
| 501 | //\r | |
| 502 | // hot plug device is not included into the console associated variables,\r | |
| 503 | // so no need to check variable for those hot plug devices.\r | |
| 504 | //\r | |
| 505 | if (!IsHotPlugDevice (This->DriverBindingHandle, ControllerHandle)) {\r | |
| 506 | //\r | |
| 507 | // Get the Device Path Protocol so the environment variables can be updated\r | |
| 508 | //\r | |
| 509 | Status = gBS->OpenProtocol (\r | |
| 510 | ControllerHandle,\r | |
| 511 | &gEfiDevicePathProtocolGuid,\r | |
| 512 | (VOID **) &DevicePath,\r | |
| 513 | This->DriverBindingHandle,\r | |
| 514 | ControllerHandle,\r | |
| 515 | EFI_OPEN_PROTOCOL_GET_PROTOCOL\r | |
| 516 | );\r | |
| 517 | if (!EFI_ERROR (Status)) {\r | |
| 518 | //\r | |
| 519 | // Remove DevicePath from ConOutDev, and StdErrDev\r | |
| 520 | //\r | |
| fc198a79 LG |
521 | ConPlatformUpdateDeviceVariable (\r |
| 522 | VarConsoleOutDev,\r | |
| 523 | DevicePath,\r | |
| 524 | DELETE\r | |
| 525 | );\r | |
| 526 | ConPlatformUpdateDeviceVariable (\r | |
| 527 | VarErrorOutDev,\r | |
| 528 | DevicePath,\r | |
| 529 | DELETE\r | |
| 530 | );\r | |
| 531 | }\r | |
| 532 | }\r | |
| 533 | //\r | |
| 534 | // Uninstall the Console Device GUIDs from Controller Handle\r | |
| 535 | //\r | |
| fc198a79 LG |
536 | ConPlatformUnInstallProtocol (\r |
| 537 | This,\r | |
| 538 | ControllerHandle,\r | |
| 539 | &gEfiConsoleOutDeviceGuid\r | |
| 540 | );\r | |
| 541 | \r | |
| 542 | ConPlatformUnInstallProtocol (\r | |
| 543 | This,\r | |
| 544 | ControllerHandle,\r | |
| 545 | &gEfiStandardErrorDeviceGuid\r | |
| 546 | );\r | |
| 547 | \r | |
| 548 | //\r | |
| 06fb8ffd | 549 | // Close the Simple Text Output Protocol\r |
| fc198a79 | 550 | //\r |
| fc198a79 LG |
551 | gBS->CloseProtocol (\r |
| 552 | ControllerHandle,\r | |
| 553 | &gEfiSimpleTextOutProtocolGuid,\r | |
| 554 | This->DriverBindingHandle,\r | |
| 555 | ControllerHandle\r | |
| 556 | );\r | |
| 557 | \r | |
| 558 | return EFI_SUCCESS;\r | |
| 559 | }\r | |
| 560 | \r | |
| 06fb8ffd | 561 | \r |
| fc198a79 LG |
562 | VOID\r |
| 563 | ConPlatformUnInstallProtocol (\r | |
| 564 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r | |
| 565 | IN EFI_HANDLE Handle,\r | |
| 566 | IN EFI_GUID *ProtocolGuid\r | |
| 567 | )\r | |
| 568 | {\r | |
| 569 | EFI_STATUS Status;\r | |
| 570 | \r | |
| 571 | Status = gBS->OpenProtocol (\r | |
| 572 | Handle,\r | |
| 573 | ProtocolGuid,\r | |
| 574 | NULL,\r | |
| 575 | This->DriverBindingHandle,\r | |
| 576 | Handle,\r | |
| 577 | EFI_OPEN_PROTOCOL_TEST_PROTOCOL\r | |
| 578 | );\r | |
| 579 | \r | |
| 580 | if (!EFI_ERROR (Status)) {\r | |
| 581 | gBS->UninstallMultipleProtocolInterfaces (\r | |
| 582 | Handle,\r | |
| 583 | ProtocolGuid,\r | |
| 584 | NULL,\r | |
| 585 | NULL\r | |
| 586 | );\r | |
| 587 | }\r | |
| 588 | \r | |
| 589 | return ;\r | |
| 590 | }\r | |
| 591 | \r | |
| 592 | VOID *\r | |
| 593 | ConPlatformGetVariable (\r | |
| 594 | IN CHAR16 *Name\r | |
| 595 | )\r | |
| 596 | /*++\r | |
| 597 | \r | |
| 598 | Routine Description:\r | |
| 599 | Read the EFI variable (Name) and return a dynamically allocated\r | |
| 600 | buffer, and the size of the buffer. On failure return NULL.\r | |
| 601 | \r | |
| 602 | Arguments:\r | |
| 603 | Name - String part of EFI variable name\r | |
| 604 | \r | |
| 605 | Returns:\r | |
| 606 | Dynamically allocated memory that contains a copy of the EFI variable.\r | |
| 607 | Caller is repsoncible freeing the buffer.\r | |
| 608 | \r | |
| 609 | NULL - Variable was not read\r | |
| c8dd259d | 610 | \r |
| fc198a79 LG |
611 | --*/\r |
| 612 | {\r | |
| 613 | EFI_STATUS Status;\r | |
| 614 | VOID *Buffer;\r | |
| 615 | UINTN BufferSize;\r | |
| 616 | \r | |
| 617 | BufferSize = 0;\r | |
| 618 | Buffer = NULL;\r | |
| 619 | \r | |
| 620 | //\r | |
| 621 | // Test to see if the variable exists. If it doesn't reuturn NULL\r | |
| 622 | //\r | |
| 623 | Status = gRT->GetVariable (\r | |
| 624 | Name,\r | |
| 625 | &gEfiGlobalVariableGuid,\r | |
| 626 | NULL,\r | |
| 627 | &BufferSize,\r | |
| 628 | Buffer\r | |
| 629 | );\r | |
| 630 | \r | |
| 631 | if (Status == EFI_BUFFER_TOO_SMALL) {\r | |
| 632 | //\r | |
| 633 | // Allocate the buffer to return\r | |
| 634 | //\r | |
| c8dd259d | 635 | Buffer = AllocatePool (BufferSize);\r |
| 636 | if (Buffer == NULL) {\r | |
| fc198a79 LG |
637 | return NULL;\r |
| 638 | }\r | |
| 639 | //\r | |
| 640 | // Read variable into the allocated buffer.\r | |
| 641 | //\r | |
| 642 | Status = gRT->GetVariable (\r | |
| 643 | Name,\r | |
| 644 | &gEfiGlobalVariableGuid,\r | |
| 645 | NULL,\r | |
| 646 | &BufferSize,\r | |
| 647 | Buffer\r | |
| 648 | );\r | |
| 649 | if (EFI_ERROR (Status)) {\r | |
| c8dd259d | 650 | FreePool (Buffer);\r |
| fc198a79 LG |
651 | Buffer = NULL;\r |
| 652 | }\r | |
| 653 | }\r | |
| 654 | \r | |
| 655 | return Buffer;\r | |
| 656 | }\r | |
| 657 | \r | |
| 658 | EFI_STATUS\r | |
| 659 | ConPlatformMatchDevicePaths (\r | |
| 660 | IN EFI_DEVICE_PATH_PROTOCOL * Multi,\r | |
| 661 | IN EFI_DEVICE_PATH_PROTOCOL * Single,\r | |
| 662 | IN EFI_DEVICE_PATH_PROTOCOL **NewDevicePath OPTIONAL,\r | |
| 663 | IN BOOLEAN Delete\r | |
| 664 | )\r | |
| 665 | /*++\r | |
| 666 | \r | |
| 667 | Routine Description:\r | |
| 668 | Function compares a device path data structure to that of all the nodes of a\r | |
| 669 | second device path instance.\r | |
| 670 | \r | |
| 671 | Arguments:\r | |
| 672 | Multi - A pointer to a multi-instance device path data structure.\r | |
| 673 | \r | |
| 674 | Single - A pointer to a single-instance device path data structure.\r | |
| c8dd259d | 675 | \r |
| fc198a79 | 676 | NewDevicePath - If Delete is TRUE, this parameter must not be null, and it\r |
| c8dd259d | 677 | points to the remaining device path data structure.\r |
| fc198a79 | 678 | (remaining device path = Multi - Single.)\r |
| c8dd259d | 679 | \r |
| fc198a79 | 680 | Delete - If TRUE, means removing Single from Multi.\r |
| c8dd259d | 681 | If FALSE, the routine just check whether Single matches\r |
| fc198a79 LG |
682 | with any instance in Multi.\r |
| 683 | \r | |
| 684 | Returns:\r | |
| 685 | \r | |
| c8dd259d | 686 | The function returns EFI_SUCCESS if the Single is contained within Multi.\r |
| fc198a79 LG |
687 | Otherwise, EFI_NOT_FOUND is returned.\r |
| 688 | \r | |
| 689 | --*/\r | |
| 690 | {\r | |
| 691 | EFI_DEVICE_PATH_PROTOCOL *DevicePath;\r | |
| 692 | EFI_DEVICE_PATH_PROTOCOL *TempDevicePath1;\r | |
| 693 | EFI_DEVICE_PATH_PROTOCOL *TempDevicePath2;\r | |
| 694 | EFI_DEVICE_PATH_PROTOCOL *DevicePathInst;\r | |
| 695 | UINTN Size;\r | |
| 696 | \r | |
| 697 | //\r | |
| 698 | // The passed in DevicePath should not be NULL\r | |
| 699 | //\r | |
| 700 | if ((!Multi) || (!Single)) {\r | |
| 701 | return EFI_NOT_FOUND;\r | |
| 702 | }\r | |
| 703 | //\r | |
| 704 | // if performing Delete operation, the NewDevicePath must not be NULL.\r | |
| 705 | //\r | |
| 706 | TempDevicePath1 = NULL;\r | |
| 707 | \r | |
| 708 | DevicePath = Multi;\r | |
| 709 | DevicePathInst = GetNextDevicePathInstance (&DevicePath, &Size);\r | |
| 710 | \r | |
| 711 | //\r | |
| 712 | // search for the match of 'Single' in 'Multi'\r | |
| 713 | //\r | |
| 714 | while (DevicePathInst) {\r | |
| 715 | if (CompareMem (Single, DevicePathInst, Size) == 0) {\r | |
| 716 | if (!Delete) {\r | |
| c8dd259d | 717 | FreePool (DevicePathInst);\r |
| fc198a79 LG |
718 | return EFI_SUCCESS;\r |
| 719 | }\r | |
| 720 | } else {\r | |
| 721 | if (Delete) {\r | |
| 722 | TempDevicePath2 = AppendDevicePathInstance (\r | |
| 723 | TempDevicePath1,\r | |
| 724 | DevicePathInst\r | |
| 725 | );\r | |
| c8dd259d | 726 | if (TempDevicePath1 != NULL) {\r |
| 727 | FreePool (TempDevicePath1);\r | |
| 728 | }\r | |
| fc198a79 LG |
729 | TempDevicePath1 = TempDevicePath2;\r |
| 730 | }\r | |
| 731 | }\r | |
| 732 | \r | |
| c8dd259d | 733 | FreePool (DevicePathInst);\r |
| fc198a79 LG |
734 | DevicePathInst = GetNextDevicePathInstance (&DevicePath, &Size);\r |
| 735 | }\r | |
| 736 | \r | |
| 737 | if (Delete) {\r | |
| 738 | *NewDevicePath = TempDevicePath1;\r | |
| 739 | return EFI_SUCCESS;\r | |
| 740 | }\r | |
| 741 | \r | |
| 742 | return EFI_NOT_FOUND;\r | |
| 743 | }\r | |
| 744 | \r | |
| 745 | EFI_STATUS\r | |
| 746 | ConPlatformUpdateDeviceVariable (\r | |
| 747 | IN CHAR16 *VariableName,\r | |
| 748 | IN EFI_DEVICE_PATH_PROTOCOL *DevicePath,\r | |
| 749 | IN CONPLATFORM_VAR_OPERATION Operation\r | |
| 750 | )\r | |
| 751 | /*++\r | |
| 752 | \r | |
| 753 | Routine Description:\r | |
| c8dd259d | 754 | \r |
| fc198a79 LG |
755 | \r |
| 756 | Arguments:\r | |
| 757 | \r | |
| 758 | Returns:\r | |
| 759 | \r | |
| 760 | None\r | |
| 761 | \r | |
| 762 | --*/\r | |
| 763 | {\r | |
| 764 | EFI_STATUS Status;\r | |
| 765 | EFI_DEVICE_PATH_PROTOCOL *VariableDevicePath;\r | |
| 766 | EFI_DEVICE_PATH_PROTOCOL *NewVariableDevicePath;\r | |
| 767 | \r | |
| 768 | VariableDevicePath = NULL;\r | |
| 769 | NewVariableDevicePath = NULL;\r | |
| 770 | \r | |
| 771 | //\r | |
| 772 | // Get Variable according to variable name.\r | |
| 773 | // The memory for Variable is allocated within ConPlatformGetVarible(),\r | |
| 774 | // it is the caller's responsibility to free the memory before return.\r | |
| 775 | //\r | |
| 776 | VariableDevicePath = ConPlatformGetVariable (VariableName);\r | |
| 777 | \r | |
| 778 | if (Operation != DELETE) {\r | |
| 779 | \r | |
| 780 | Status = ConPlatformMatchDevicePaths (\r | |
| 781 | VariableDevicePath,\r | |
| 782 | DevicePath,\r | |
| 783 | NULL,\r | |
| 784 | FALSE\r | |
| 785 | );\r | |
| 786 | \r | |
| 787 | if ((Operation == CHECK) || (!EFI_ERROR (Status))) {\r | |
| 788 | //\r | |
| 789 | // The device path is already in the variable\r | |
| 790 | //\r | |
| c8dd259d | 791 | if (VariableDevicePath != NULL) {\r |
| 792 | FreePool (VariableDevicePath);\r | |
| 793 | }\r | |
| fc198a79 LG |
794 | \r |
| 795 | return Status;\r | |
| 796 | }\r | |
| 797 | //\r | |
| 798 | // The device path is not in variable. Append DevicePath to the\r | |
| 799 | // environment variable that is a multi-instance device path.\r | |
| 800 | //\r | |
| 801 | Status = EFI_SUCCESS;\r | |
| 802 | NewVariableDevicePath = AppendDevicePathInstance (\r | |
| 803 | VariableDevicePath,\r | |
| 804 | DevicePath\r | |
| 805 | );\r | |
| 806 | if (NewVariableDevicePath == NULL) {\r | |
| 807 | Status = EFI_OUT_OF_RESOURCES;\r | |
| 808 | }\r | |
| 809 | \r | |
| 810 | } else {\r | |
| 811 | //\r | |
| 812 | // Remove DevicePath from the environment variable that\r | |
| 813 | // is a multi-instance device path.\r | |
| 814 | //\r | |
| 815 | Status = ConPlatformMatchDevicePaths (\r | |
| 816 | VariableDevicePath,\r | |
| 817 | DevicePath,\r | |
| 818 | &NewVariableDevicePath,\r | |
| 819 | TRUE\r | |
| 820 | );\r | |
| 821 | }\r | |
| 822 | \r | |
| c8dd259d | 823 | if (VariableDevicePath != NULL) {\r |
| 824 | FreePool (VariableDevicePath);\r | |
| 825 | }\r | |
| fc198a79 LG |
826 | \r |
| 827 | if (EFI_ERROR (Status)) {\r | |
| 828 | return Status;\r | |
| 829 | }\r | |
| 830 | \r | |
| 831 | Status = gRT->SetVariable (\r | |
| 832 | VariableName,\r | |
| 833 | &gEfiGlobalVariableGuid,\r | |
| 834 | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS,\r | |
| 835 | GetDevicePathSize (NewVariableDevicePath),\r | |
| 836 | NewVariableDevicePath\r | |
| 837 | );\r | |
| 838 | \r | |
| c8dd259d | 839 | FreePool (NewVariableDevicePath);\r |
| fc198a79 LG |
840 | \r |
| 841 | return Status;\r | |
| 842 | }\r | |
| 843 | \r | |
| 844 | BOOLEAN\r | |
| 845 | IsHotPlugDevice (\r | |
| 846 | EFI_HANDLE DriverBindingHandle,\r | |
| 847 | EFI_HANDLE ControllerHandle\r | |
| 848 | )\r | |
| 849 | {\r | |
| 850 | EFI_STATUS Status;\r | |
| 851 | \r | |
| 852 | //\r | |
| 853 | // HotPlugDeviceGuid indicates ControllerHandle stands for a hot plug device.\r | |
| 854 | //\r | |
| 855 | Status = gBS->OpenProtocol (\r | |
| 856 | ControllerHandle,\r | |
| 857 | &gEfiHotPlugDeviceGuid,\r | |
| 858 | NULL,\r | |
| 859 | DriverBindingHandle,\r | |
| 860 | ControllerHandle,\r | |
| 861 | EFI_OPEN_PROTOCOL_TEST_PROTOCOL\r | |
| 862 | );\r | |
| 863 | if (EFI_ERROR (Status)) {\r | |
| 864 | return FALSE;\r | |
| 865 | }\r | |
| 866 | \r | |
| 867 | return TRUE;\r | |
| 868 | }\r |