EdkCompatibilityPkg/Foundation/Library/EdkIIGlueLib/Library/SmmRuntimeDxeReportStatusCodeLib/ReportStatusCodeLib.c

   1 /*++
   2
   3 Copyright (c) 2004 - 2010, Intel Corporation. All rights reserved.<BR>
   4 This program and the accompanying materials
   5 are licensed and made available under the terms and conditions of the BSD License
   6 which accompanies this distribution.  The full text of the license may be found at
   7 http://opensource.org/licenses/bsd-license.php
   8
   9 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
  10 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
  11
  12
  13 Module Name:
  14
  15   ReportStatusCodeLib.c
  16
  17 Abstract:
  18
  19   Report Status Code Library for SMM Runtime driver.
  20
  21 --*/
  22
  23 #include "ReportStatusCodeLibInternal.h"
  24
  25
  26 EFI_REPORT_STATUS_CODE  mReportStatusCode = NULL;
  27
  28 /**
  29   Internal worker function that reports a status code through the Status Code Protocol
  30
  31   This function checks to see if a Status Code Protocol is present in the handle
  32   database.  If a Status Code Protocol is not present, then EFI_UNSUPPORTED is
  33   returned.  If a Status Code Protocol is present, then it is cached in gStatusCode,
  34   and the ReportStatusCode() service of the Status Code Protocol is called passing in
  35   Type, Value, Instance, CallerId, and Data.  The result of this call is returned.
  36
  37   @param  Type              Status code type.
  38   @param  Value             Status code value.
  39   @param  Instance          Status code instance number.
  40   @param  CallerId          Pointer to a GUID that identifies the caller of this
  41                             function.  This is an optional parameter that may be
  42                             NULL.
  43   @param  Data              Pointer to the extended data buffer.  This is an
  44                             optional parameter that may be NULL.
  45
  46   @retval  EFI_SUCCESS           The status code was reported.
  47   @retval  EFI_OUT_OF_RESOURCES  There were not enough resources to report the status code.
  48   @retval  EFI_UNSUPPORTED       Status Code Protocol is not available.
  49
  50 **/
  51 EFI_STATUS
  52 InternalReportStatusCode (
  53   IN EFI_STATUS_CODE_TYPE     Type,
  54   IN EFI_STATUS_CODE_VALUE    Value,
  55   IN UINT32                   Instance,
  56   IN CONST EFI_GUID           *CallerId OPTIONAL,
  57   IN EFI_STATUS_CODE_DATA     *Data     OPTIONAL
  58   )
  59 {
  60   //
  61   // If gStatusCode is NULL, then see if a Status Code Protocol instance is present
  62   // in the handle database.
  63   //
  64   if (mReportStatusCode == NULL) {
  65     mReportStatusCode = InternalGetReportStatusCode ();
  66     if (mReportStatusCode == NULL) {
  67       return EFI_UNSUPPORTED;
  68     }
  69   }
  70
  71   //
  72   // A Status Code Protocol is present in the handle database, so pass in all the
  73   // parameters to the ReportStatusCode() service of the Status Code Protocol
  74   //
  75   return (*mReportStatusCode) (Type, Value, Instance, (EFI_GUID *)CallerId, Data);
  76 }
  77
  78
  79 /**
  80   Computes and returns the size, in bytes, of a device path.
  81
  82   @param  DevicePath  A pointer to a device path.
  83
  84   @return  The size, in bytes, of DevicePath.
  85
  86 **/
  87 UINTN
  88 InternalReportStatusCodeDevicePathSize (
  89   IN CONST EFI_DEVICE_PATH_PROTOCOL  *DevicePath
  90   )
  91 {
  92   CONST EFI_DEVICE_PATH_PROTOCOL  *Start;
  93
  94   //
  95   // Search for the end of the device path structure
  96   //
  97   Start = DevicePath;
  98   while (!IsDevicePathEnd (DevicePath)) {
  99     DevicePath = NextDevicePathNode (DevicePath);
 100   }
 101
 102   //
 103   // Subtract the start node from the end node and add in the size of the end node
 104   //
 105   return ((UINTN) DevicePath - (UINTN) Start) + DevicePathNodeLength (DevicePath);
 106 }
 107
 108
 109 /**
 110   Converts a status code to an 8-bit POST code value.
 111
 112   Converts the status code specified by CodeType and Value to an 8-bit POST code
 113   and returns the 8-bit POST code in PostCode.  If CodeType is an
 114   EFI_PROGRESS_CODE or CodeType is an EFI_ERROR_CODE, then bits 0..4 of PostCode
 115   are set to bits 16..20 of Value, and bits 5..7 of PostCode are set to bits
 116   24..26 of Value., and TRUE is returned.  Otherwise, FALSE is returned.
 117
 118   If PostCode is NULL, then ASSERT().
 119
 120   @param  CodeType  The type of status code being converted.
 121   @param  Value     The status code value being converted.
 122   @param  PostCode  A pointer to the 8-bit POST code value to return.
 123
 124   @retval  TRUE   The status code specified by CodeType and Value was converted
 125                   to an 8-bit POST code and returned in  PostCode.
 126   @retval  FALSE  The status code specified by CodeType and Value could not be
 127                   converted to an 8-bit POST code value.
 128
 129 **/
 130 BOOLEAN
 131 EFIAPI
 132 GlueCodeTypeToPostCode (
 133   IN  EFI_STATUS_CODE_TYPE   CodeType,
 134   IN  EFI_STATUS_CODE_VALUE  Value,
 135   OUT UINT8                  *PostCode
 136   )
 137 {
 138   //
 139   // If PostCode is NULL, then ASSERT()
 140   //
 141   ASSERT (PostCode != NULL);
 142
 143   //
 144   // Convert Value to an 8 bit post code
 145   //
 146   if (((CodeType & EFI_STATUS_CODE_TYPE_MASK) == EFI_PROGRESS_CODE) ||
 147       ((CodeType & EFI_STATUS_CODE_TYPE_MASK) == EFI_ERROR_CODE)       ) {
 148     *PostCode  = (UINT8) ((((Value & EFI_STATUS_CODE_CLASS_MASK) >> 24) << 5) |
 149                           (((Value & EFI_STATUS_CODE_SUBCLASS_MASK) >> 16) & 0x1f));
 150     return TRUE;
 151   }
 152   return FALSE;
 153 }
 154
 155
 156 /**
 157   Extracts ASSERT() information from a status code structure.
 158
 159   Converts the status code specified by CodeType, Value, and Data to the ASSERT()
 160   arguments specified by Filename, Description, and LineNumber.  If CodeType is
 161   an EFI_ERROR_CODE, and CodeType has a severity of EFI_ERROR_UNRECOVERED, and
 162   Value has an operation mask of EFI_SW_EC_ILLEGAL_SOFTWARE_STATE, extract
 163   Filename, Description, and LineNumber from the optional data area of the
 164   status code buffer specified by Data.  The optional data area of Data contains
 165   a Null-terminated ASCII string for the FileName, followed by a Null-terminated
 166   ASCII string for the Description, followed by a 32-bit LineNumber.  If the
 167   ASSERT() information could be extracted from Data, then return TRUE.
 168   Otherwise, FALSE is returned.
 169
 170   If Data is NULL, then ASSERT().
 171   If Filename is NULL, then ASSERT().
 172   If Description is NULL, then ASSERT().
 173   If LineNumber is NULL, then ASSERT().
 174
 175   @param  CodeType     The type of status code being converted.
 176   @param  Value        The status code value being converted.
 177   @param  Data         Pointer to status code data buffer.
 178   @param  Filename     Pointer to the source file name that generated the ASSERT().
 179   @param  Description  Pointer to the description of the ASSERT().
 180   @param  LineNumber   Pointer to source line number that generated the ASSERT().
 181
 182   @retval  TRUE   The status code specified by CodeType, Value, and Data was
 183                   converted ASSERT() arguments specified by Filename, Description,
 184                   and LineNumber.
 185   @retval  FALSE  The status code specified by CodeType, Value, and Data could
 186                   not be converted to ASSERT() arguments.
 187
 188 **/
 189 BOOLEAN
 190 EFIAPI
 191 GlueReportStatusCodeExtractAssertInfo (
 192   IN EFI_STATUS_CODE_TYPE        CodeType,
 193   IN EFI_STATUS_CODE_VALUE       Value,
 194   IN CONST EFI_STATUS_CODE_DATA  *Data,
 195   OUT CHAR8                      **Filename,
 196   OUT CHAR8                      **Description,
 197   OUT UINT32                     *LineNumber
 198   )
 199 {
 200   EFI_DEBUG_ASSERT_DATA  *AssertData;
 201
 202   ASSERT (Data        != NULL);
 203   ASSERT (Filename    != NULL);
 204   ASSERT (Description != NULL);
 205   ASSERT (LineNumber  != NULL);
 206
 207   if (((CodeType & EFI_STATUS_CODE_TYPE_MASK)      == EFI_ERROR_CODE) &&
 208       ((CodeType & EFI_STATUS_CODE_SEVERITY_MASK)  == EFI_ERROR_UNRECOVERED) &&
 209       ((Value    & EFI_STATUS_CODE_OPERATION_MASK) == EFI_SW_EC_ILLEGAL_SOFTWARE_STATE)) {
 210     AssertData   = (EFI_DEBUG_ASSERT_DATA *)(Data + 1);
 211     *Filename    = (CHAR8 *)(AssertData + 1);
 212     *Description = *Filename + AsciiStrLen (*Filename) + 1;
 213     *LineNumber  = AssertData->LineNumber;
 214     return TRUE;
 215   }
 216   return FALSE;
 217 }
 218
 219
 220 /**
 221   Extracts DEBUG() information from a status code structure.
 222
 223   Converts the status code specified by Data to the DEBUG() arguments specified
 224   by ErrorLevel, Marker, and Format.  If type GUID in Data is
 225   EFI_STATUS_CODE_DATA_TYPE_DEBUG_GUID, then extract ErrorLevel, Marker, and
 226   Format from the optional data area of the status code buffer specified by Data.
 227   The optional data area of Data contains a 32-bit ErrorLevel followed by Marker
 228   which is 12 UINTN parameters, followed by a Null-terminated ASCII string for
 229   the Format.  If the DEBUG() information could be extracted from Data, then
 230   return TRUE.  Otherwise, FALSE is returned.
 231
 232   If Data is NULL, then ASSERT().
 233   If ErrorLevel is NULL, then ASSERT().
 234   If Marker is NULL, then ASSERT().
 235   If Format is NULL, then ASSERT().
 236
 237   @param  Data        Pointer to status code data buffer.
 238   @param  ErrorLevel  Pointer to error level mask for a debug message.
 239   @param  Marker      Pointer to the variable argument list associated with Format.
 240   @param  Format      Pointer to a Null-terminated ASCII format string of a
 241                       debug message.
 242
 243   @retval  TRUE   The status code specified by Data was converted DEBUG() arguments
 244                   specified by ErrorLevel, Marker, and Format.
 245   @retval  FALSE  The status code specified by Data could not be converted to
 246                   DEBUG() arguments.
 247
 248 **/
 249 BOOLEAN
 250 EFIAPI
 251 GlueReportStatusCodeExtractDebugInfo (
 252   IN CONST EFI_STATUS_CODE_DATA  *Data,
 253   OUT UINT32                     *ErrorLevel,
 254   OUT VA_LIST                    *Marker,
 255   OUT CHAR8                      **Format
 256   )
 257 {
 258   EFI_DEBUG_INFO  *DebugInfo;
 259
 260   ASSERT (Data       != NULL);
 261   ASSERT (ErrorLevel != NULL);
 262   ASSERT (Marker     != NULL);
 263   ASSERT (Format     != NULL);
 264
 265   //
 266   // If the GUID type is not EFI_STATUS_CODE_DATA_TYPE_DEBUG_GUID then return FALSE
 267   //
 268   if (!CompareGuid (&Data->Type, &gEfiStatusCodeDataTypeDebugGuid)) {
 269     return FALSE;
 270   }
 271
 272   //
 273   // Retrieve the debug information from the status code record
 274   //
 275   DebugInfo = (EFI_DEBUG_INFO *)(Data + 1);
 276
 277   *ErrorLevel = DebugInfo->ErrorLevel;
 278
 279   //
 280   // The first 12 * UINTN bytes of the string are really an
 281   // argument stack to support varargs on the Format string.
 282   //
 283   *Marker = (VA_LIST) (DebugInfo + 1);
 284   *Format = (CHAR8 *)(((UINT64 *)*Marker) + 12);
 285
 286   return TRUE;
 287 }
 288
 289
 290 /**
 291   Reports a status code.
 292
 293   Reports the status code specified by the parameters Type and Value.  Status
 294   code also require an instance, caller ID, and extended data.  This function
 295   passed in a zero instance, NULL extended data, and a caller ID of
 296   gEfiCallerIdGuid, which is the GUID for the module.
 297
 298   ReportStatusCode()must actively prevent recusrsion.  If ReportStatusCode()
 299   is called while processing another any other Report Status Code Library function,
 300   then ReportStatusCode() must return immediately.
 301
 302   @param  Type   Status code type.
 303   @param  Value  Status code value.
 304
 305   @retval  EFI_SUCCESS       The status code was reported.
 306   @retval  EFI_DEVICE_ERROR  There status code could not be reported due to a
 307                              device error.
 308   @retval  EFI_UNSUPPORTED   Report status code is not supported
 309
 310 **/
 311 EFI_STATUS
 312 EFIAPI
 313 GlueReportStatusCode (
 314   IN EFI_STATUS_CODE_TYPE   Type,
 315   IN EFI_STATUS_CODE_VALUE  Value
 316   )
 317 {
 318   return InternalReportStatusCode (Type, Value, 0, &gEfiCallerIdGuid, NULL);
 319 }
 320
 321
 322 /**
 323   Reports a status code with a Device Path Protocol as the extended data.
 324
 325   Allocates and fills in the extended data section of a status code with the
 326   Device Path Protocol specified by DevicePath.  This function is responsible
 327   for allocating a buffer large enough for the standard header and the device
 328   path.  The standard header is filled in with a GUID of
 329   gEfiStatusCodeSpecificDataGuid.  The status code is reported with a zero
 330   instance and a caller ID of gEfiCallerIdGuid.
 331
 332   ReportStatusCodeWithDevicePath()must actively prevent recursion.  If
 333   ReportStatusCodeWithDevicePath() is called while processing another any other
 334   Report Status Code Library function, then ReportStatusCodeWithDevicePath()
 335   must return EFI_DEVICE_ERROR immediately.
 336
 337   If DevicePath is NULL, then ASSERT().
 338
 339   @param  Type        Status code type.
 340   @param  Value       Status code value.
 341   @param  DevicePath  Pointer to the Device Path Protocol to be reported.
 342
 343   @retval  EFI_SUCCESS           The status code was reported with the extended
 344                                  data specified by DevicePath.
 345   @retval  EFI_OUT_OF_RESOURCES  There were not enough resources to allocate the
 346                                  extended data section.
 347   @retval  EFI_UNSUPPORTED       Report status code is not supported
 348
 349 **/
 350 EFI_STATUS
 351 EFIAPI
 352 GlueReportStatusCodeWithDevicePath (
 353   IN EFI_STATUS_CODE_TYPE            Type,
 354   IN EFI_STATUS_CODE_VALUE           Value,
 355   IN CONST EFI_DEVICE_PATH_PROTOCOL  *DevicePath
 356   )
 357 {
 358   ASSERT (DevicePath != NULL);
 359   return ReportStatusCodeWithExtendedData (
 360            Type,
 361            Value,
 362            (VOID *)DevicePath,
 363            InternalReportStatusCodeDevicePathSize (DevicePath)
 364            );
 365 }
 366
 367
 368 /**
 369   Reports a status code with an extended data buffer.
 370
 371   Allocates and fills in the extended data section of a status code with the
 372   extended data specified by ExtendedData and ExtendedDataSize.  ExtendedData
 373   is assumed to be one of the data structures specified in Related Definitions.
 374   These data structure do not have the standard header, so this function is
 375   responsible for allocating a buffer large enough for the standard header and
 376   the extended data passed into this function.  The standard header is filled
 377   in with a GUID of  gEfiStatusCodeSpecificDataGuid.  The status code is reported
 378   with a zero instance and a caller ID of gEfiCallerIdGuid.
 379
 380   ReportStatusCodeWithExtendedData()must actively prevent recursion.  If
 381   ReportStatusCodeWithExtendedData() is called while processing another any other
 382   Report Status Code Library function, then ReportStatusCodeWithExtendedData()
 383   must return EFI_DEVICE_ERROR immediately.
 384
 385   If ExtendedData is NULL, then ASSERT().
 386   If ExtendedDataSize is 0, then ASSERT().
 387
 388   @param  Type              Status code type.
 389   @param  Value             Status code value.
 390   @param  ExtendedData      Pointer to the extended data buffer to be reported.
 391   @param  ExtendedDataSize  The size, in bytes, of the extended data buffer to
 392                             be reported.
 393
 394   @retval  EFI_SUCCESS           The status code was reported with the extended
 395                                  data specified by ExtendedData and ExtendedDataSize.
 396   @retval  EFI_OUT_OF_RESOURCES  There were not enough resources to allocate the
 397                                  extended data section.
 398   @retval  EFI_UNSUPPORTED       Report status code is not supported
 399
 400 **/
 401 EFI_STATUS
 402 EFIAPI
 403 GlueReportStatusCodeWithExtendedData (
 404   IN EFI_STATUS_CODE_TYPE   Type,
 405   IN EFI_STATUS_CODE_VALUE  Value,
 406   IN CONST VOID             *ExtendedData,
 407   IN UINTN                  ExtendedDataSize
 408   )
 409 {
 410   ASSERT (ExtendedData     != NULL);
 411   ASSERT (ExtendedDataSize != 0);
 412   return ReportStatusCodeEx (
 413            Type,
 414            Value,
 415            0,
 416            NULL,
 417            NULL,
 418            ExtendedData,
 419            ExtendedDataSize
 420            );
 421 }
 422
 423
 424 /**
 425   Reports a status code with full parameters.
 426
 427   The function reports a status code.  If ExtendedData is NULL and ExtendedDataSize
 428   is 0, then an extended data buffer is not reported.  If ExtendedData is not
 429   NULL and ExtendedDataSize is not 0, then an extended data buffer is allocated.
 430   ExtendedData is assumed not have the standard status code header, so this function
 431   is responsible for allocating a buffer large enough for the standard header and
 432   the extended data passed into this function.  The standard header is filled in
 433   with a GUID specified by ExtendedDataGuid.  If ExtendedDataGuid is NULL, then a
 434   GUID of gEfiStatusCodeSpecificDatauid is used.  The status code is reported with
 435   an instance specified by Instance and a caller ID specified by CallerId.  If
 436   CallerId is NULL, then a caller ID of gEfiCallerIdGuid is used.
 437
 438   ReportStatusCodeEx()must actively prevent recursion. If
 439   ReportStatusCodeEx() is called while processing another any
 440   other Report Status Code Library function, then
 441   ReportStatusCodeEx() must return EFI_DEVICE_ERROR immediately.
 442
 443   If ExtendedData is NULL and ExtendedDataSize is not zero, then ASSERT().
 444   If ExtendedData is not NULL and ExtendedDataSize is zero, then ASSERT().
 445
 446   @param  Type              Status code type.
 447   @param  Value             Status code value.
 448   @param  Instance          Status code instance number.
 449   @param  CallerId          Pointer to a GUID that identifies the caller of this
 450                             function.  If this parameter is NULL, then a caller
 451                             ID of gEfiCallerIdGuid is used.
 452   @param  ExtendedDataGuid  Pointer to the GUID for the extended data buffer.
 453                             If this parameter is NULL, then a the status code
 454                             standard header is filled in with
 455                             gEfiStatusCodeSpecificDataGuid.
 456   @param  ExtendedData      Pointer to the extended data buffer.  This is an
 457                             optional parameter that may be NULL.
 458   @param  ExtendedDataSize  The size, in bytes, of the extended data buffer.
 459
 460   @retval  EFI_SUCCESS           The status code was reported.
 461   @retval  EFI_OUT_OF_RESOURCES  There were not enough resources to allocate
 462                                  the extended data section if it was specified.
 463   @retval  EFI_UNSUPPORTED       Report status code is not supported
 464
 465 **/
 466 EFI_STATUS
 467 EFIAPI
 468 GlueReportStatusCodeEx (
 469   IN EFI_STATUS_CODE_TYPE   Type,
 470   IN EFI_STATUS_CODE_VALUE  Value,
 471   IN UINT32                 Instance,
 472   IN CONST EFI_GUID         *CallerId          OPTIONAL,
 473   IN CONST EFI_GUID         *ExtendedDataGuid  OPTIONAL,
 474   IN CONST VOID             *ExtendedData      OPTIONAL,
 475   IN UINTN                  ExtendedDataSize
 476   )
 477 {
 478   EFI_STATUS  Status;
 479
 480   Status = InternalReportStatusCodeEx (
 481              Type,
 482              Value,
 483              Instance,
 484              CallerId,
 485              ExtendedDataGuid,
 486              ExtendedData,
 487              ExtendedDataSize
 488              );
 489
 490   return Status;
 491 }
 492
 493
 494 /**
 495   Returns TRUE if status codes of type EFI_PROGRESS_CODE are enabled
 496
 497   This function returns TRUE if the REPORT_STATUS_CODE_PROPERTY_PROGRESS_CODE_ENABLED
 498   bit of PcdReportStatusCodeProperyMask is set.  Otherwise FALSE is returned.
 499
 500   @retval  TRUE   The REPORT_STATUS_CODE_PROPERTY_PROGRESS_CODE_ENABLED bit of
 501                   PcdReportStatusCodeProperyMask is set.
 502   @retval  FALSE  The REPORT_STATUS_CODE_PROPERTY_PROGRESS_CODE_ENABLED bit of
 503                   PcdReportStatusCodeProperyMask is clear.
 504
 505 **/
 506 BOOLEAN
 507 EFIAPI
 508 GlueReportProgressCodeEnabled (
 509   VOID
 510   )
 511 {
 512   return (BOOLEAN) ((PcdGet8(PcdReportStatusCodePropertyMask) & REPORT_STATUS_CODE_PROPERTY_PROGRESS_CODE_ENABLED) != 0);
 513 }
 514
 515
 516 /**
 517   Returns TRUE if status codes of type EFI_ERROR_CODE are enabled
 518
 519   This function returns TRUE if the REPORT_STATUS_CODE_PROPERTY_ERROR_CODE_ENABLED
 520   bit of PcdReportStatusCodeProperyMask is set.  Otherwise FALSE is returned.
 521
 522   @retval  TRUE   The REPORT_STATUS_CODE_PROPERTY_ERROR_CODE_ENABLED bit of
 523                   PcdReportStatusCodeProperyMask is set.
 524   @retval  FALSE  The REPORT_STATUS_CODE_PROPERTY_ERROR_CODE_ENABLED bit of
 525                   PcdReportStatusCodeProperyMask is clear.
 526
 527 **/
 528 BOOLEAN
 529 EFIAPI
 530 GlueReportErrorCodeEnabled (
 531   VOID
 532   )
 533 {
 534   return (BOOLEAN) ((PcdGet8(PcdReportStatusCodePropertyMask) & REPORT_STATUS_CODE_PROPERTY_ERROR_CODE_ENABLED) != 0);
 535 }
 536
 537
 538 /**
 539   Returns TRUE if status codes of type EFI_DEBUG_CODE are enabled
 540
 541   This function returns TRUE if the REPORT_STATUS_CODE_PROPERTY_DEBUG_CODE_ENABLED
 542   bit of PcdReportStatusCodeProperyMask is set.  Otherwise FALSE is returned.
 543
 544   @retval  TRUE   The REPORT_STATUS_CODE_PROPERTY_DEBUG_CODE_ENABLED bit of
 545                   PcdReportStatusCodeProperyMask is set.
 546   @retval  FALSE  The REPORT_STATUS_CODE_PROPERTY_DEBUG_CODE_ENABLED bit of
 547                   PcdReportStatusCodeProperyMask is clear.
 548
 549 **/
 550 BOOLEAN
 551 EFIAPI
 552 GlueReportDebugCodeEnabled (
 553   VOID
 554   )
 555 {
 556   return (BOOLEAN) ((PcdGet8(PcdReportStatusCodePropertyMask) & REPORT_STATUS_CODE_PROPERTY_DEBUG_CODE_ENABLED) != 0);
 557 }