| 1 | /******************************************************************************* |
| 2 | * |
| 3 | * Module Name: rscreate - Create resource lists/tables |
| 4 | * |
| 5 | ******************************************************************************/ |
| 6 | |
| 7 | /* |
| 8 | * Copyright (C) 2000 - 2016, Intel Corp. |
| 9 | * All rights reserved. |
| 10 | * |
| 11 | * Redistribution and use in source and binary forms, with or without |
| 12 | * modification, are permitted provided that the following conditions |
| 13 | * are met: |
| 14 | * 1. Redistributions of source code must retain the above copyright |
| 15 | * notice, this list of conditions, and the following disclaimer, |
| 16 | * without modification. |
| 17 | * 2. Redistributions in binary form must reproduce at minimum a disclaimer |
| 18 | * substantially similar to the "NO WARRANTY" disclaimer below |
| 19 | * ("Disclaimer") and any redistribution must be conditioned upon |
| 20 | * including a substantially similar Disclaimer requirement for further |
| 21 | * binary redistribution. |
| 22 | * 3. Neither the names of the above-listed copyright holders nor the names |
| 23 | * of any contributors may be used to endorse or promote products derived |
| 24 | * from this software without specific prior written permission. |
| 25 | * |
| 26 | * Alternatively, this software may be distributed under the terms of the |
| 27 | * GNU General Public License ("GPL") version 2 as published by the Free |
| 28 | * Software Foundation. |
| 29 | * |
| 30 | * NO WARRANTY |
| 31 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| 32 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| 33 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR |
| 34 | * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| 35 | * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| 36 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| 37 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| 38 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, |
| 39 | * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING |
| 40 | * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
| 41 | * POSSIBILITY OF SUCH DAMAGES. |
| 42 | */ |
| 43 | |
| 44 | #include "acpi.h" |
| 45 | #include "accommon.h" |
| 46 | #include "acresrc.h" |
| 47 | #include "acnamesp.h" |
| 48 | |
| 49 | #define _COMPONENT ACPI_RESOURCES |
| 50 | ACPI_MODULE_NAME ("rscreate" ) |
| 51 | |
| 52 | |
| 53 | /******************************************************************************* |
| 54 | * |
| 55 | * FUNCTION: AcpiBufferToResource |
| 56 | * |
| 57 | * PARAMETERS: AmlBuffer - Pointer to the resource byte stream |
| 58 | * AmlBufferLength - Length of the AmlBuffer |
| 59 | * ResourcePtr - Where the converted resource is returned |
| 60 | * |
| 61 | * RETURN: Status |
| 62 | * |
| 63 | * DESCRIPTION: Convert a raw AML buffer to a resource list |
| 64 | * |
| 65 | ******************************************************************************/ |
| 66 | |
| 67 | ACPI_STATUS |
| 68 | AcpiBufferToResource ( |
| 69 | UINT8 *AmlBuffer, |
| 70 | UINT16 AmlBufferLength, |
| 71 | ACPI_RESOURCE **ResourcePtr) |
| 72 | { |
| 73 | ACPI_STATUS Status; |
| 74 | ACPI_SIZE ListSizeNeeded; |
| 75 | void *Resource; |
| 76 | void *CurrentResourcePtr; |
| 77 | |
| 78 | |
| 79 | ACPI_FUNCTION_TRACE (AcpiBufferToResource); |
| 80 | |
| 81 | |
| 82 | /* |
| 83 | * Note: we allow AE_AML_NO_RESOURCE_END_TAG, since an end tag |
| 84 | * is not required here. |
| 85 | */ |
| 86 | |
| 87 | /* Get the required length for the converted resource */ |
| 88 | |
| 89 | Status = AcpiRsGetListLength ( |
| 90 | AmlBuffer, AmlBufferLength, &ListSizeNeeded); |
| 91 | if (Status == AE_AML_NO_RESOURCE_END_TAG) |
| 92 | { |
| 93 | Status = AE_OK; |
| 94 | } |
| 95 | if (ACPI_FAILURE (Status)) |
| 96 | { |
| 97 | return_ACPI_STATUS (Status); |
| 98 | } |
| 99 | |
| 100 | /* Allocate a buffer for the converted resource */ |
| 101 | |
| 102 | Resource = ACPI_ALLOCATE_ZEROED (ListSizeNeeded); |
| 103 | CurrentResourcePtr = Resource; |
| 104 | if (!Resource) |
| 105 | { |
| 106 | return_ACPI_STATUS (AE_NO_MEMORY); |
| 107 | } |
| 108 | |
| 109 | /* Perform the AML-to-Resource conversion */ |
| 110 | |
| 111 | Status = AcpiUtWalkAmlResources (NULL, AmlBuffer, AmlBufferLength, |
| 112 | AcpiRsConvertAmlToResources, &CurrentResourcePtr); |
| 113 | if (Status == AE_AML_NO_RESOURCE_END_TAG) |
| 114 | { |
| 115 | Status = AE_OK; |
| 116 | } |
| 117 | if (ACPI_FAILURE (Status)) |
| 118 | { |
| 119 | ACPI_FREE (Resource); |
| 120 | } |
| 121 | else |
| 122 | { |
| 123 | *ResourcePtr = Resource; |
| 124 | } |
| 125 | |
| 126 | return_ACPI_STATUS (Status); |
| 127 | } |
| 128 | |
| 129 | ACPI_EXPORT_SYMBOL (AcpiBufferToResource) |
| 130 | |
| 131 | |
| 132 | /******************************************************************************* |
| 133 | * |
| 134 | * FUNCTION: AcpiRsCreateResourceList |
| 135 | * |
| 136 | * PARAMETERS: AmlBuffer - Pointer to the resource byte stream |
| 137 | * OutputBuffer - Pointer to the user's buffer |
| 138 | * |
| 139 | * RETURN: Status: AE_OK if okay, else a valid ACPI_STATUS code |
| 140 | * If OutputBuffer is not large enough, OutputBufferLength |
| 141 | * indicates how large OutputBuffer should be, else it |
| 142 | * indicates how may UINT8 elements of OutputBuffer are valid. |
| 143 | * |
| 144 | * DESCRIPTION: Takes the byte stream returned from a _CRS, _PRS control method |
| 145 | * execution and parses the stream to create a linked list |
| 146 | * of device resources. |
| 147 | * |
| 148 | ******************************************************************************/ |
| 149 | |
| 150 | ACPI_STATUS |
| 151 | AcpiRsCreateResourceList ( |
| 152 | ACPI_OPERAND_OBJECT *AmlBuffer, |
| 153 | ACPI_BUFFER *OutputBuffer) |
| 154 | { |
| 155 | |
| 156 | ACPI_STATUS Status; |
| 157 | UINT8 *AmlStart; |
| 158 | ACPI_SIZE ListSizeNeeded = 0; |
| 159 | UINT32 AmlBufferLength; |
| 160 | void *Resource; |
| 161 | |
| 162 | |
| 163 | ACPI_FUNCTION_TRACE (RsCreateResourceList); |
| 164 | |
| 165 | |
| 166 | ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "AmlBuffer = %p\n" , |
| 167 | AmlBuffer)); |
| 168 | |
| 169 | /* Params already validated, so we don't re-validate here */ |
| 170 | |
| 171 | AmlBufferLength = AmlBuffer->Buffer.Length; |
| 172 | AmlStart = AmlBuffer->Buffer.Pointer; |
| 173 | |
| 174 | /* |
| 175 | * Pass the AmlBuffer into a module that can calculate |
| 176 | * the buffer size needed for the linked list |
| 177 | */ |
| 178 | Status = AcpiRsGetListLength (AmlStart, AmlBufferLength, |
| 179 | &ListSizeNeeded); |
| 180 | |
| 181 | ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "Status=%X ListSizeNeeded=%X\n" , |
| 182 | Status, (UINT32) ListSizeNeeded)); |
| 183 | if (ACPI_FAILURE (Status)) |
| 184 | { |
| 185 | return_ACPI_STATUS (Status); |
| 186 | } |
| 187 | |
| 188 | /* Validate/Allocate/Clear caller buffer */ |
| 189 | |
| 190 | Status = AcpiUtInitializeBuffer (OutputBuffer, ListSizeNeeded); |
| 191 | if (ACPI_FAILURE (Status)) |
| 192 | { |
| 193 | return_ACPI_STATUS (Status); |
| 194 | } |
| 195 | |
| 196 | /* Do the conversion */ |
| 197 | |
| 198 | Resource = OutputBuffer->Pointer; |
| 199 | Status = AcpiUtWalkAmlResources (NULL, AmlStart, AmlBufferLength, |
| 200 | AcpiRsConvertAmlToResources, &Resource); |
| 201 | if (ACPI_FAILURE (Status)) |
| 202 | { |
| 203 | return_ACPI_STATUS (Status); |
| 204 | } |
| 205 | |
| 206 | ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "OutputBuffer %p Length %X\n" , |
| 207 | OutputBuffer->Pointer, (UINT32) OutputBuffer->Length)); |
| 208 | return_ACPI_STATUS (AE_OK); |
| 209 | } |
| 210 | |
| 211 | |
| 212 | /******************************************************************************* |
| 213 | * |
| 214 | * FUNCTION: AcpiRsCreatePciRoutingTable |
| 215 | * |
| 216 | * PARAMETERS: PackageObject - Pointer to a package containing one |
| 217 | * of more ACPI_OPERAND_OBJECTs |
| 218 | * OutputBuffer - Pointer to the user's buffer |
| 219 | * |
| 220 | * RETURN: Status AE_OK if okay, else a valid ACPI_STATUS code. |
| 221 | * If the OutputBuffer is too small, the error will be |
| 222 | * AE_BUFFER_OVERFLOW and OutputBuffer->Length will point |
| 223 | * to the size buffer needed. |
| 224 | * |
| 225 | * DESCRIPTION: Takes the ACPI_OPERAND_OBJECT package and creates a |
| 226 | * linked list of PCI interrupt descriptions |
| 227 | * |
| 228 | * NOTE: It is the caller's responsibility to ensure that the start of the |
| 229 | * output buffer is aligned properly (if necessary). |
| 230 | * |
| 231 | ******************************************************************************/ |
| 232 | |
| 233 | ACPI_STATUS |
| 234 | AcpiRsCreatePciRoutingTable ( |
| 235 | ACPI_OPERAND_OBJECT *PackageObject, |
| 236 | ACPI_BUFFER *OutputBuffer) |
| 237 | { |
| 238 | UINT8 *Buffer; |
| 239 | ACPI_OPERAND_OBJECT **TopObjectList; |
| 240 | ACPI_OPERAND_OBJECT **SubObjectList; |
| 241 | ACPI_OPERAND_OBJECT *ObjDesc; |
| 242 | ACPI_SIZE BufferSizeNeeded = 0; |
| 243 | UINT32 NumberOfElements; |
| 244 | UINT32 Index; |
| 245 | ACPI_PCI_ROUTING_TABLE *UserPrt; |
| 246 | ACPI_NAMESPACE_NODE *Node; |
| 247 | ACPI_STATUS Status; |
| 248 | ACPI_BUFFER PathBuffer; |
| 249 | |
| 250 | |
| 251 | ACPI_FUNCTION_TRACE (RsCreatePciRoutingTable); |
| 252 | |
| 253 | |
| 254 | /* Params already validated, so we don't re-validate here */ |
| 255 | |
| 256 | /* Get the required buffer length */ |
| 257 | |
| 258 | Status = AcpiRsGetPciRoutingTableLength ( |
| 259 | PackageObject,&BufferSizeNeeded); |
| 260 | if (ACPI_FAILURE (Status)) |
| 261 | { |
| 262 | return_ACPI_STATUS (Status); |
| 263 | } |
| 264 | |
| 265 | ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "BufferSizeNeeded = %X\n" , |
| 266 | (UINT32) BufferSizeNeeded)); |
| 267 | |
| 268 | /* Validate/Allocate/Clear caller buffer */ |
| 269 | |
| 270 | Status = AcpiUtInitializeBuffer (OutputBuffer, BufferSizeNeeded); |
| 271 | if (ACPI_FAILURE (Status)) |
| 272 | { |
| 273 | return_ACPI_STATUS (Status); |
| 274 | } |
| 275 | |
| 276 | /* |
| 277 | * Loop through the ACPI_INTERNAL_OBJECTS - Each object should be a |
| 278 | * package that in turn contains an UINT64 Address, a UINT8 Pin, |
| 279 | * a Name, and a UINT8 SourceIndex. |
| 280 | */ |
| 281 | TopObjectList = PackageObject->Package.Elements; |
| 282 | NumberOfElements = PackageObject->Package.Count; |
| 283 | Buffer = OutputBuffer->Pointer; |
| 284 | UserPrt = ACPI_CAST_PTR (ACPI_PCI_ROUTING_TABLE, Buffer); |
| 285 | |
| 286 | for (Index = 0; Index < NumberOfElements; Index++) |
| 287 | { |
| 288 | /* |
| 289 | * Point UserPrt past this current structure |
| 290 | * |
| 291 | * NOTE: On the first iteration, UserPrt->Length will |
| 292 | * be zero because we cleared the return buffer earlier |
| 293 | */ |
| 294 | Buffer += UserPrt->Length; |
| 295 | UserPrt = ACPI_CAST_PTR (ACPI_PCI_ROUTING_TABLE, Buffer); |
| 296 | |
| 297 | /* |
| 298 | * Fill in the Length field with the information we have at this |
| 299 | * point. The minus four is to subtract the size of the UINT8 |
| 300 | * Source[4] member because it is added below. |
| 301 | */ |
| 302 | UserPrt->Length = (sizeof (ACPI_PCI_ROUTING_TABLE) - 4); |
| 303 | |
| 304 | /* Each subpackage must be of length 4 */ |
| 305 | |
| 306 | if ((*TopObjectList)->Package.Count != 4) |
| 307 | { |
| 308 | ACPI_ERROR ((AE_INFO, |
| 309 | "(PRT[%u]) Need package of length 4, found length %u" , |
| 310 | Index, (*TopObjectList)->Package.Count)); |
| 311 | return_ACPI_STATUS (AE_AML_PACKAGE_LIMIT); |
| 312 | } |
| 313 | |
| 314 | /* |
| 315 | * Dereference the subpackage. |
| 316 | * The SubObjectList will now point to an array of the four IRQ |
| 317 | * elements: [Address, Pin, Source, SourceIndex] |
| 318 | */ |
| 319 | SubObjectList = (*TopObjectList)->Package.Elements; |
| 320 | |
| 321 | /* 1) First subobject: Dereference the PRT.Address */ |
| 322 | |
| 323 | ObjDesc = SubObjectList[0]; |
| 324 | if (!ObjDesc || ObjDesc->Common.Type != ACPI_TYPE_INTEGER) |
| 325 | { |
| 326 | ACPI_ERROR ((AE_INFO, |
| 327 | "(PRT[%u].Address) Need Integer, found %s" , |
| 328 | Index, AcpiUtGetObjectTypeName (ObjDesc))); |
| 329 | return_ACPI_STATUS (AE_BAD_DATA); |
| 330 | } |
| 331 | |
| 332 | UserPrt->Address = ObjDesc->Integer.Value; |
| 333 | |
| 334 | /* 2) Second subobject: Dereference the PRT.Pin */ |
| 335 | |
| 336 | ObjDesc = SubObjectList[1]; |
| 337 | if (!ObjDesc || ObjDesc->Common.Type != ACPI_TYPE_INTEGER) |
| 338 | { |
| 339 | ACPI_ERROR ((AE_INFO, "(PRT[%u].Pin) Need Integer, found %s" , |
| 340 | Index, AcpiUtGetObjectTypeName (ObjDesc))); |
| 341 | return_ACPI_STATUS (AE_BAD_DATA); |
| 342 | } |
| 343 | |
| 344 | UserPrt->Pin = (UINT32) ObjDesc->Integer.Value; |
| 345 | |
| 346 | /* |
| 347 | * 3) Third subobject: Dereference the PRT.SourceName |
| 348 | * The name may be unresolved (slack mode), so allow a null object |
| 349 | */ |
| 350 | ObjDesc = SubObjectList[2]; |
| 351 | if (ObjDesc) |
| 352 | { |
| 353 | switch (ObjDesc->Common.Type) |
| 354 | { |
| 355 | case ACPI_TYPE_LOCAL_REFERENCE: |
| 356 | |
| 357 | if (ObjDesc->Reference.Class != ACPI_REFCLASS_NAME) |
| 358 | { |
| 359 | ACPI_ERROR ((AE_INFO, |
| 360 | "(PRT[%u].Source) Need name, found Reference Class 0x%X" , |
| 361 | Index, ObjDesc->Reference.Class)); |
| 362 | return_ACPI_STATUS (AE_BAD_DATA); |
| 363 | } |
| 364 | |
| 365 | Node = ObjDesc->Reference.Node; |
| 366 | |
| 367 | /* Use *remaining* length of the buffer as max for pathname */ |
| 368 | |
| 369 | PathBuffer.Length = OutputBuffer->Length - |
| 370 | (UINT32) ((UINT8 *) UserPrt->Source - |
| 371 | (UINT8 *) OutputBuffer->Pointer); |
| 372 | PathBuffer.Pointer = UserPrt->Source; |
| 373 | |
| 374 | Status = AcpiNsHandleToPathname ( |
| 375 | (ACPI_HANDLE) Node, &PathBuffer, FALSE); |
| 376 | |
| 377 | /* +1 to include null terminator */ |
| 378 | |
| 379 | UserPrt->Length += (UINT32) strlen (UserPrt->Source) + 1; |
| 380 | break; |
| 381 | |
| 382 | case ACPI_TYPE_STRING: |
| 383 | |
| 384 | strcpy (UserPrt->Source, ObjDesc->String.Pointer); |
| 385 | |
| 386 | /* |
| 387 | * Add to the Length field the length of the string |
| 388 | * (add 1 for terminator) |
| 389 | */ |
| 390 | UserPrt->Length += ObjDesc->String.Length + 1; |
| 391 | break; |
| 392 | |
| 393 | case ACPI_TYPE_INTEGER: |
| 394 | /* |
| 395 | * If this is a number, then the Source Name is NULL, since |
| 396 | * the entire buffer was zeroed out, we can leave this alone. |
| 397 | * |
| 398 | * Add to the Length field the length of the UINT32 NULL |
| 399 | */ |
| 400 | UserPrt->Length += sizeof (UINT32); |
| 401 | break; |
| 402 | |
| 403 | default: |
| 404 | |
| 405 | ACPI_ERROR ((AE_INFO, |
| 406 | "(PRT[%u].Source) Need Ref/String/Integer, found %s" , |
| 407 | Index, AcpiUtGetObjectTypeName (ObjDesc))); |
| 408 | return_ACPI_STATUS (AE_BAD_DATA); |
| 409 | } |
| 410 | } |
| 411 | |
| 412 | /* Now align the current length */ |
| 413 | |
| 414 | UserPrt->Length = (UINT32) ACPI_ROUND_UP_TO_64BIT (UserPrt->Length); |
| 415 | |
| 416 | /* 4) Fourth subobject: Dereference the PRT.SourceIndex */ |
| 417 | |
| 418 | ObjDesc = SubObjectList[3]; |
| 419 | if (!ObjDesc || ObjDesc->Common.Type != ACPI_TYPE_INTEGER) |
| 420 | { |
| 421 | ACPI_ERROR ((AE_INFO, |
| 422 | "(PRT[%u].SourceIndex) Need Integer, found %s" , |
| 423 | Index, AcpiUtGetObjectTypeName (ObjDesc))); |
| 424 | return_ACPI_STATUS (AE_BAD_DATA); |
| 425 | } |
| 426 | |
| 427 | UserPrt->SourceIndex = (UINT32) ObjDesc->Integer.Value; |
| 428 | |
| 429 | /* Point to the next ACPI_OPERAND_OBJECT in the top level package */ |
| 430 | |
| 431 | TopObjectList++; |
| 432 | } |
| 433 | |
| 434 | ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "OutputBuffer %p Length %X\n" , |
| 435 | OutputBuffer->Pointer, (UINT32) OutputBuffer->Length)); |
| 436 | return_ACPI_STATUS (AE_OK); |
| 437 | } |
| 438 | |
| 439 | |
| 440 | /******************************************************************************* |
| 441 | * |
| 442 | * FUNCTION: AcpiRsCreateAmlResources |
| 443 | * |
| 444 | * PARAMETERS: ResourceList - Pointer to the resource list buffer |
| 445 | * OutputBuffer - Where the AML buffer is returned |
| 446 | * |
| 447 | * RETURN: Status AE_OK if okay, else a valid ACPI_STATUS code. |
| 448 | * If the OutputBuffer is too small, the error will be |
| 449 | * AE_BUFFER_OVERFLOW and OutputBuffer->Length will point |
| 450 | * to the size buffer needed. |
| 451 | * |
| 452 | * DESCRIPTION: Converts a list of device resources to an AML bytestream |
| 453 | * to be used as input for the _SRS control method. |
| 454 | * |
| 455 | ******************************************************************************/ |
| 456 | |
| 457 | ACPI_STATUS |
| 458 | AcpiRsCreateAmlResources ( |
| 459 | ACPI_BUFFER *ResourceList, |
| 460 | ACPI_BUFFER *OutputBuffer) |
| 461 | { |
| 462 | ACPI_STATUS Status; |
| 463 | ACPI_SIZE AmlSizeNeeded = 0; |
| 464 | |
| 465 | |
| 466 | ACPI_FUNCTION_TRACE (RsCreateAmlResources); |
| 467 | |
| 468 | |
| 469 | /* Params already validated, no need to re-validate here */ |
| 470 | |
| 471 | ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "ResourceList Buffer = %p\n" , |
| 472 | ResourceList->Pointer)); |
| 473 | |
| 474 | /* Get the buffer size needed for the AML byte stream */ |
| 475 | |
| 476 | Status = AcpiRsGetAmlLength ( |
| 477 | ResourceList->Pointer, ResourceList->Length, &AmlSizeNeeded); |
| 478 | |
| 479 | ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "AmlSizeNeeded=%X, %s\n" , |
| 480 | (UINT32) AmlSizeNeeded, AcpiFormatException (Status))); |
| 481 | if (ACPI_FAILURE (Status)) |
| 482 | { |
| 483 | return_ACPI_STATUS (Status); |
| 484 | } |
| 485 | |
| 486 | /* Validate/Allocate/Clear caller buffer */ |
| 487 | |
| 488 | Status = AcpiUtInitializeBuffer (OutputBuffer, AmlSizeNeeded); |
| 489 | if (ACPI_FAILURE (Status)) |
| 490 | { |
| 491 | return_ACPI_STATUS (Status); |
| 492 | } |
| 493 | |
| 494 | /* Do the conversion */ |
| 495 | |
| 496 | Status = AcpiRsConvertResourcesToAml (ResourceList->Pointer, |
| 497 | AmlSizeNeeded, OutputBuffer->Pointer); |
| 498 | if (ACPI_FAILURE (Status)) |
| 499 | { |
| 500 | return_ACPI_STATUS (Status); |
| 501 | } |
| 502 | |
| 503 | ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "OutputBuffer %p Length %X\n" , |
| 504 | OutputBuffer->Pointer, (UINT32) OutputBuffer->Length)); |
| 505 | return_ACPI_STATUS (AE_OK); |
| 506 | } |
| 507 | |