/** @file
  Main file for DrvDiag shell Driver1 function.

  (C) Copyright 2015 Hewlett-Packard Development Company, L.P.<BR>
  Copyright (c) 2010 - 2018, Intel Corporation. All rights reserved.<BR>
  SPDX-License-Identifier: BSD-2-Clause-Patent

**/

#include "UefiShellDriver1CommandsLib.h"

STATIC CONST EFI_GUID *DiagGuidList[] = {&gEfiDriverDiagnosticsProtocolGuid, &gEfiDriverDiagnostics2ProtocolGuid, NULL};
//
// We need 1 more item on the list...
//
typedef enum {
  TestModeStandard      = EfiDriverDiagnosticTypeStandard,
  TestModeExtended      = EfiDriverDiagnosticTypeExtended,
  TestModeManufacturing = EfiDriverDiagnosticTypeManufacturing,
  TestModeList,
  TestModeMax
} DRV_DIAG_TEST_MODE;

/**
  Do the diagnostics call for some set of handles.

  @param[in] Mode               The type of diagnostic test to run.
  @param[in] Lang               The language code to use.
  @param[in] AllChilds          Should the test be on all children.
  @param[in] DriverHandle       The driver handle to test with.
  @param[in] ControllerHandle   The specific controller handle to test.
  @param[in] ChildHandle        The specific child handle to test.

  @retval EFI_SUCCESS           The operation was successful.
  @retval EFI_INVALID_PARAMETER A parameter had an invalid value.
  @retval EFI_NOT_FOUND         No diagnostic handle could be found.
**/
EFI_STATUS
DoDiagnostics (
  IN CONST DRV_DIAG_TEST_MODE Mode,
  IN CONST CHAR8              *Lang,
  IN CONST BOOLEAN            AllChilds,
  IN CONST EFI_HANDLE         DriverHandle,
  IN CONST EFI_HANDLE         ControllerHandle,
  IN CONST EFI_HANDLE         ChildHandle
  )
{
  EFI_DRIVER_DIAGNOSTICS_PROTOCOL     *DriverDiagnostics;
  EFI_DRIVER_DIAGNOSTICS2_PROTOCOL    *DriverDiagnostics2;
  EFI_HANDLE                          *DriverHandleList;
  EFI_HANDLE                          *ControllerHandleList;
  EFI_HANDLE                          *ChildHandleList;
  EFI_HANDLE                          *Walker;
  UINTN                               DriverHandleListCount;
  UINTN                               ControllerHandleListCount;
  UINTN                               ChildHandleListCount;
  UINTN                               DriverHandleListLoop;
  UINTN                               ControllerHandleListLoop;
  UINTN                               ChildHandleListLoop;
  EFI_STATUS                          Status;
  EFI_STATUS                          Status2;
  EFI_GUID                            *ErrorType;
  UINTN                               OutBufferSize;
  CHAR16                              *OutBuffer;
  UINTN                               HandleIndex1;
  UINTN                               HandleIndex2;
  CHAR8                               *Language;
  BOOLEAN                             Found;

  if ((ChildHandle != NULL && AllChilds) || (Mode >= TestModeMax)){
    return (EFI_INVALID_PARAMETER);
  }

  DriverDiagnostics                   = NULL;
  DriverDiagnostics2                  = NULL;
  Status                              = EFI_SUCCESS;
  Status2                             = EFI_SUCCESS;
  DriverHandleList                    = NULL;
  ControllerHandleList                = NULL;
  ChildHandleList                     = NULL;
  Language                            = NULL;
  OutBuffer                           = NULL;
  ErrorType                           = NULL;
  DriverHandleListCount               = 0;
  ControllerHandleListCount           = 0;
  ChildHandleListCount                = 0;

  if (DriverHandle != NULL) {
    DriverHandleList = AllocateZeroPool(2*sizeof(EFI_HANDLE));
    if (DriverHandleList == NULL) {
      return EFI_OUT_OF_RESOURCES;
    }
    DriverHandleList[0] = DriverHandle;
    DriverHandleListCount = 1;
  } else {
    DriverHandleList = GetHandleListByProtocolList(DiagGuidList);
    if (DriverHandleList == NULL) {
      ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_PROTOCOL_NF), gShellDriver1HiiHandle, L"drvdiag", L"gEfiDriverDiagnosticsProtocolGuid", &gEfiDriverDiagnosticsProtocolGuid);
      ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_PROTOCOL_NF), gShellDriver1HiiHandle, L"drvdiag", L"gEfiDriverDiagnostics2ProtocolGuid", &gEfiDriverDiagnostics2ProtocolGuid);
      return (EFI_NOT_FOUND);
    }
    for (Walker = DriverHandleList ; Walker != NULL && *Walker != NULL ; DriverHandleListCount++, Walker++);
  }

  if (ControllerHandle != NULL) {
    ControllerHandleList = AllocateZeroPool(2*sizeof(EFI_HANDLE));
    if (ControllerHandleList == NULL) {
      SHELL_FREE_NON_NULL (DriverHandleList);
      return EFI_OUT_OF_RESOURCES;
    }
    ControllerHandleList[0] = ControllerHandle;
    ControllerHandleListCount = 1;
  } else {
    ControllerHandleList = NULL;
  }

  if (ChildHandle != NULL) {
    ChildHandleList = AllocateZeroPool(2*sizeof(EFI_HANDLE));
    if (ChildHandleList == NULL) {
      SHELL_FREE_NON_NULL (ControllerHandleList);
      SHELL_FREE_NON_NULL (DriverHandleList);
      return EFI_OUT_OF_RESOURCES;
    }
    ChildHandleList[0] = ChildHandle;
    ChildHandleListCount = 1;
  } else if (AllChilds) {
    ChildHandleList = NULL;
    //
    // This gets handled in the loop below.
    //
  } else {
    ChildHandleList = NULL;
  }

  if (Mode == TestModeList) {
    ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_DRVDIAG_HEADER), gShellDriver1HiiHandle);
  }
  for (DriverHandleListLoop = 0
    ;  DriverHandleListLoop < DriverHandleListCount
    ;  DriverHandleListLoop++
    ){
    if (Mode == TestModeList) {
      ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_DRVDIAG_DRIVER_HEADER), gShellDriver1HiiHandle, ConvertHandleToHandleIndex(DriverHandleList[DriverHandleListLoop]));
    }
    if (ControllerHandle == NULL) {
      PARSE_HANDLE_DATABASE_DEVICES(DriverHandleList[DriverHandleListLoop], &ControllerHandleListCount, &ControllerHandleList);
    }
    if (ControllerHandleListCount == 0) {
      if (Mode == TestModeList) {
        ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_DRVDIAG_DRIVER_NO_HANDLES), gShellDriver1HiiHandle);
      }
    } else {
      if (Mode == TestModeList) {
        ShellPrintEx(-1, -1, L"\r\n");
      }
      for (ControllerHandleListLoop = 0
        ;  ControllerHandleListLoop < ControllerHandleListCount
        ;  ControllerHandleListLoop++
        ){
        if (AllChilds) {
          ASSERT(ChildHandleList == NULL);
          PARSE_HANDLE_DATABASE_MANAGED_CHILDREN(
            DriverHandleList[DriverHandleListLoop],
            ControllerHandleList[ControllerHandleListLoop],
            &ChildHandleListCount,
            &ChildHandleList);
        }
        for (ChildHandleListLoop = 0
          ;  (ChildHandleListLoop < ChildHandleListCount || ChildHandleList == NULL)
          ;  ChildHandleListLoop++
          ){
          Found = FALSE;
          if (Mode != TestModeList) {
            if (Lang == NULL || Lang[2] == '-') {
              //
              // Get the protocol pointer and call the function
              //
              Status = gBS->OpenProtocol(
                DriverHandleList[DriverHandleListLoop],
                &gEfiDriverDiagnostics2ProtocolGuid,
                (VOID**)&DriverDiagnostics2,
                gImageHandle,
                NULL,
                EFI_OPEN_PROTOCOL_GET_PROTOCOL);
              if (!EFI_ERROR(Status) && (DriverDiagnostics2 != NULL)) {
                Language = GetBestLanguageForDriver(DriverDiagnostics2->SupportedLanguages, Lang, FALSE);
                Found = TRUE;
                Status = DriverDiagnostics2->RunDiagnostics(
                  DriverDiagnostics2,
                  ControllerHandleList[ControllerHandleListLoop],
                  ChildHandleList == NULL?NULL:ChildHandleList[ChildHandleListLoop],
                  (EFI_DRIVER_DIAGNOSTIC_TYPE)Mode,
                  Language,
                  &ErrorType,
                  &OutBufferSize,
                  &OutBuffer);
                FreePool(Language);
              }
            }
            if (!Found && (Lang == NULL||(Lang!=NULL&&(Lang[2]!='-')))){
              Status = gBS->OpenProtocol(
                DriverHandleList[DriverHandleListLoop],
                &gEfiDriverDiagnosticsProtocolGuid,
                (VOID**)&DriverDiagnostics,
                gImageHandle,
                NULL,
                EFI_OPEN_PROTOCOL_GET_PROTOCOL);
              if (!EFI_ERROR(Status)) {
                Language = GetBestLanguageForDriver(DriverDiagnostics->SupportedLanguages, Lang, FALSE);
                Status = DriverDiagnostics->RunDiagnostics(
                  DriverDiagnostics,
                  ControllerHandleList[ControllerHandleListLoop],
                  ChildHandleList == NULL?NULL:ChildHandleList[ChildHandleListLoop],
                  (EFI_DRIVER_DIAGNOSTIC_TYPE)Mode,
                  Language,
                  &ErrorType,
                  &OutBufferSize,
                  &OutBuffer);
                FreePool(Language);
              }
            }
            if (EFI_ERROR(Status)) {
              Status2 = Status;
            }
            HandleIndex1 = ConvertHandleToHandleIndex(DriverHandleList[DriverHandleListLoop]);
            HandleIndex2 = ConvertHandleToHandleIndex(ControllerHandleList[ControllerHandleListLoop]);
            ShellPrintHiiEx(
              -1,
              -1,
              NULL,
              STRING_TOKEN (STR_3P_RESULT),
              gShellDriver1HiiHandle,
              L"DrvDiag",
              HandleIndex1,
              HandleIndex2,
              ChildHandleList == NULL?0:ConvertHandleToHandleIndex(ChildHandleList[ChildHandleListLoop]),
              Status);
            if (OutBuffer!=NULL) {
              FreePool(OutBuffer);
              OutBuffer = NULL;
            }
            if (ErrorType!=NULL) {
              FreePool(ErrorType);
              ErrorType = NULL;
            }
          } else {
            HandleIndex1 = ConvertHandleToHandleIndex(DriverHandleList[DriverHandleListLoop]);
            HandleIndex2 = ConvertHandleToHandleIndex(ControllerHandleList[ControllerHandleListLoop]);
            //
            // Print out the information that this set can be tested
            //
            ShellPrintHiiEx(
              -1,
              -1,
              NULL,
              STRING_TOKEN (STR_DRV_DIAG_ITEM_LINE),
              gShellDriver1HiiHandle,
              HandleIndex1,
              HandleIndex2,
              ChildHandleList == NULL?0:ConvertHandleToHandleIndex(ChildHandleList[ChildHandleListLoop])
           );
          }

          //
          // If we are doing a single pass with NULL child jump out after a single loop
          //
          if (ChildHandleList == NULL) {
            break;
          }
        }
        if (AllChilds) {
          SHELL_FREE_NON_NULL(ChildHandleList);
          ChildHandleList       = NULL;
          ChildHandleListCount  = 0;
        }
      }
      if (ControllerHandle == NULL) {
        SHELL_FREE_NON_NULL(ControllerHandleList);
        ControllerHandleList      = NULL;
        ControllerHandleListCount = 0;
      }
      }
  }

  if (DriverHandleList != NULL) {
    FreePool(DriverHandleList);
  }
  if (ControllerHandleList != NULL) {
    FreePool(ControllerHandleList);
  }
  if (ChildHandleList != NULL) {
    FreePool(ChildHandleList);
  }
  return (Status2);
}


STATIC CONST SHELL_PARAM_ITEM ParamList[] = {
  {L"-c", TypeFlag},
  {L"-s", TypeFlag},
  {L"-e", TypeFlag},
  {L"-m", TypeFlag},
  {L"-l", TypeValue},
  {NULL, TypeMax}
  };

/**
  Function for 'drvdiag' command.

  @param[in] ImageHandle  Handle to the Image (NULL if Internal).
  @param[in] SystemTable  Pointer to the System Table (NULL if Internal).
**/
SHELL_STATUS
EFIAPI
ShellCommandRunDrvDiag (
  IN EFI_HANDLE        ImageHandle,
  IN EFI_SYSTEM_TABLE  *SystemTable
  )
{
  EFI_STATUS          Status;
  LIST_ENTRY          *Package;
  CHAR16              *ProblemParam;
  SHELL_STATUS        ShellStatus;
  DRV_DIAG_TEST_MODE  Mode;
  CHAR8               *Language;
  CONST CHAR16        *DriverHandleStr;
  CONST CHAR16        *ControllerHandleStr;
  CONST CHAR16        *ChildHandleStr;
  CONST CHAR16        *Lang;
  EFI_HANDLE          Handle1;
  EFI_HANDLE          Handle2;
  EFI_HANDLE          Handle3;
  UINT64              Intermediate;

  ShellStatus         = SHELL_SUCCESS;
  Mode                = TestModeMax;
  Language            = NULL;

  //
  // initialize the shell lib (we must be in non-auto-init...)
  //
  Status = ShellInitialize();
  ASSERT_EFI_ERROR(Status);

  Status = CommandInit();
  ASSERT_EFI_ERROR(Status);

  //
  // parse the command line
  //
  Status = ShellCommandLineParse (ParamList, &Package, &ProblemParam, TRUE);
  if (EFI_ERROR(Status)) {
    if (Status == EFI_VOLUME_CORRUPTED && ProblemParam != NULL) {
      ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_PROBLEM), gShellDriver1HiiHandle, L"drvdiag", ProblemParam);
      FreePool(ProblemParam);
      ShellStatus = SHELL_INVALID_PARAMETER;
    } else {
      ASSERT(FALSE);
    }
  } else {
    //
    // if more than 3 'value' parameters (plus the name one) or we have any 2 mode flags
    //
    if ((ShellCommandLineGetCount(Package) > 4)
      ||(ShellCommandLineGetFlag(Package, L"-s") && ShellCommandLineGetFlag(Package, L"-e"))
      ||(ShellCommandLineGetFlag(Package, L"-s") && ShellCommandLineGetFlag(Package, L"-m"))
      ||(ShellCommandLineGetFlag(Package, L"-e") && ShellCommandLineGetFlag(Package, L"-m"))
     ){
      //
      // error for too many parameters
      //
      ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_MANY), gShellDriver1HiiHandle, L"drvdiag");
      ShellStatus = SHELL_INVALID_PARAMETER;
    } else if ((ShellCommandLineGetFlag(Package, L"-s"))
            || (ShellCommandLineGetFlag(Package, L"-e"))
            || (ShellCommandLineGetFlag(Package, L"-m"))
           ){
      //
      // Run the appropriate test
      //
      if        (ShellCommandLineGetFlag(Package, L"-s")) {
        Mode =   TestModeStandard;
      } else if (ShellCommandLineGetFlag(Package, L"-e")) {
        Mode = TestModeExtended;
      } else if (ShellCommandLineGetFlag(Package, L"-m")) {
        Mode = TestModeManufacturing;
      } else {
        ASSERT(FALSE);
      }
    } else {
      //
      // Do a listing of what's available to test
      //
      Mode = TestModeList;
    }

    Lang = ShellCommandLineGetValue(Package, L"-l");
    if (ShellCommandLineGetFlag(Package, L"-l") && Lang == NULL) {
      ASSERT(Language == NULL);
      ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_NO_VALUE), gShellDriver1HiiHandle, L"drvdiag",  L"-l");
      ShellCommandLineFreeVarList (Package);
      return (SHELL_INVALID_PARAMETER);
    } else if (Lang != NULL) {
      Language = AllocateZeroPool(StrSize(Lang));
      AsciiSPrint(Language, StrSize(Lang), "%S", Lang);
    }

    DriverHandleStr     = ShellCommandLineGetRawValue(Package, 1);
    ControllerHandleStr = ShellCommandLineGetRawValue(Package, 2);
    ChildHandleStr      = ShellCommandLineGetRawValue(Package, 3);

    if (DriverHandleStr == NULL) {
      Handle1 = NULL;
    } else {
      ShellConvertStringToUint64(DriverHandleStr, &Intermediate, TRUE, FALSE);
      Handle1 = ConvertHandleIndexToHandle((UINTN)Intermediate);
    }
    if (ControllerHandleStr == NULL) {
      Handle2 = NULL;
    } else {
      ShellConvertStringToUint64(ControllerHandleStr, &Intermediate, TRUE, FALSE);
      Handle2 = ConvertHandleIndexToHandle((UINTN)Intermediate);
    }
    if (ChildHandleStr == NULL) {
      Handle3 = NULL;
    } else {
      ShellConvertStringToUint64(ChildHandleStr, &Intermediate, TRUE, FALSE);
      Handle3 = ConvertHandleIndexToHandle((UINTN)Intermediate);
    }

    Status = DoDiagnostics (
      Mode,
      Language,
      ShellCommandLineGetFlag(Package, L"-c"),
      Handle1,
      Handle2,
      Handle3
      );

    SHELL_FREE_NON_NULL(Language);
    ShellCommandLineFreeVarList (Package);

  }
  if (ShellStatus == SHELL_SUCCESS) {
    if (Status == EFI_SECURITY_VIOLATION) {
      ShellStatus = SHELL_SECURITY_VIOLATION;
    } else if (Status == EFI_INVALID_PARAMETER) {
      ShellStatus = SHELL_INVALID_PARAMETER;
    } else if (Status == EFI_NOT_FOUND) {
      ShellStatus = SHELL_NOT_FOUND;
    } else if (EFI_ERROR(Status)) {
      ShellStatus = SHELL_NOT_FOUND;
    }
  }

  return (ShellStatus);
}