/** @file
  Main file for DrvDiag shell Driver1 function.

  (C) Copyright 2015 Hewlett-Packard Development Company, L.P.<BR>
  Copyright (c) 2010 - 2016, Intel Corporation. All rights reserved.<BR>
  This program and the accompanying materials
  are licensed and made available under the terms and conditions of the BSD License
  which accompanies this distribution.  The full text of the license may be found at
  http://opensource.org/licenses/bsd-license.php

  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.

**/

#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);
}