Nt32Pkg: Replace BSD License with BSD+Patent License

[mirror_edk2.git] / Nt32Pkg / WinNtBlockIoDxe / WinNtBlockIo.c

diff --git a/Nt32Pkg/WinNtBlockIoDxe/WinNtBlockIo.c b/Nt32Pkg/WinNtBlockIoDxe/WinNtBlockIo.c
index f020d6baed0e42f307d30525bb2e93252d3ddb1d..3eb9bee79e6dc5bc32826f289af6ebebd24d97c9 100644 (file)
--- a/Nt32Pkg/WinNtBlockIoDxe/WinNtBlockIo.c
+++ b/Nt32Pkg/WinNtBlockIoDxe/WinNtBlockIo.c
@@ -1,13 +1,7 @@
 /**@file\r
 \r
-Copyright (c) 2006 - 2007, Intel Corporation\r
-All rights reserved. This program and the accompanying materials\r
-are licensed and made available under the terms and conditions of the BSD License\r
-which accompanies this distribution.  The full text of the license may be found at\r
-http://opensource.org/licenses/bsd-license.php\r
-\r
-THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
-WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
+Copyright (c) 2006 - 2013, Intel Corporation. All rights reserved.<BR>\r
+SPDX-License-Identifier: BSD-2-Clause-Patent\r
 \r
 Module Name:\r
 \r
@@ -529,7 +523,7 @@ Returns:
   BlockIo = &Private->BlockIo;\r
   BlockIo->Revision = EFI_BLOCK_IO_PROTOCOL_REVISION;\r
   BlockIo->Media = &Private->Media;\r
-  BlockIo->Media->BlockSize = Private->BlockSize;\r
+  BlockIo->Media->BlockSize = (UINT32)Private->BlockSize;\r
   BlockIo->Media->LastBlock = Private->NumberOfBlocks - 1;\r
   BlockIo->Media->MediaId = 0;;\r
 \r
@@ -626,10 +620,10 @@ Returns:
   //\r
   Private->NtHandle = Private->WinNtThunk->CreateFile (\r
                                             Private->Filename,\r
-                                            Private->ReadMode,\r
-                                            Private->ShareMode,\r
+                                            (DWORD)Private->ReadMode,\r
+                                            (DWORD)Private->ShareMode,\r
                                             NULL,\r
-                                            Private->OpenMode,\r
+                                            (DWORD)Private->OpenMode,\r
                                             0,\r
                                             NULL\r
                                             );\r
@@ -658,7 +652,7 @@ Returns:
   Status = SetFilePointer64 (Private, 0, &FileSize, FILE_END);\r
 \r
   if (EFI_ERROR (Status)) {\r
-    FileSize = MultU64x32 (Private->NumberOfBlocks, Private->BlockSize);\r
+    FileSize = MultU64x32 (Private->NumberOfBlocks, (UINT32)Private->BlockSize);\r
     if (Private->DeviceType == EfiWinNtVirtualDisks) {\r
       DEBUG ((EFI_D_ERROR, "PlOpenBlock: Could not get filesize of %s\n", Private->Filename));\r
       Status = EFI_UNSUPPORTED;\r
@@ -667,10 +661,10 @@ Returns:
   }\r
 \r
   if (Private->NumberOfBlocks == 0) {\r
-    Private->NumberOfBlocks = DivU64x32 (FileSize, Private->BlockSize);\r
+    Private->NumberOfBlocks = DivU64x32 (FileSize, (UINT32)Private->BlockSize);\r
   }\r
 \r
-  EndOfFile = MultU64x32 (Private->NumberOfBlocks, Private->BlockSize);\r
+  EndOfFile = MultU64x32 (Private->NumberOfBlocks, (UINT32)Private->BlockSize);\r
 \r
   if (FileSize != EndOfFile) {\r
     //\r
@@ -832,7 +826,7 @@ Returns:
     return EFI_MEDIA_CHANGED;\r
   }\r
 \r
-  if ((UINT32) Buffer % Private->Media.IoAlign != 0) {\r
+  if ((UINTN) Buffer % Private->Media.IoAlign != 0) {\r
     return EFI_INVALID_PARAMETER;\r
   }\r
 \r
@@ -858,7 +852,7 @@ Returns:
   //\r
   // Seek to End of File\r
   //\r
-  DistanceToMove = MultU64x32 (Lba, BlockSize);\r
+  DistanceToMove = MultU64x32 (Lba, (UINT32)BlockSize);\r
   Status = SetFilePointer64 (Private, DistanceToMove, &DistanceMoved, FILE_BEGIN);\r
 \r
   if (EFI_ERROR (Status)) {\r
@@ -972,8 +966,10 @@ WinNtBlockIoWriteBlocks (
   WIN_NT_BLOCK_IO_PRIVATE *Private;\r
   UINTN                   BytesWritten;\r
   BOOL                    Flag;\r
+  BOOL                    Locked;\r
   EFI_STATUS              Status;\r
   EFI_TPL                 OldTpl;\r
+  UINTN                   BytesReturned;\r
 \r
   OldTpl = gBS->RaiseTPL (TPL_CALLBACK);\r
 \r
@@ -984,7 +980,24 @@ WinNtBlockIoWriteBlocks (
     goto Done;\r
   }\r
 \r
+  //\r
+  // According the Windows requirement, first need to lock the volume before \r
+  // write to it.\r
+  //\r
+  if (Private->DeviceType == EfiWinNtPhysicalDisks) {\r
+    Locked = Private->WinNtThunk->DeviceIoControl (Private->NtHandle, FSCTL_LOCK_VOLUME, NULL, 0, NULL, 0, &BytesReturned, NULL);\r
+    if (Locked == 0) {\r
+      DEBUG ((EFI_D_INIT, "ReadBlocks: Lock volume failed. (%d)\n", Private->WinNtThunk->GetLastError ()));\r
+      Status = WinNtBlockIoError (Private);\r
+      goto Done;\r
+    }\r
+  } else {\r
+    Locked = 0;\r
+  }\r
   Flag = Private->WinNtThunk->WriteFile (Private->NtHandle, Buffer, (DWORD) BufferSize, (LPDWORD) &BytesWritten, NULL);\r
+  if (Locked != 0) {\r
+    Private->WinNtThunk->DeviceIoControl (Private->NtHandle, FSCTL_UNLOCK_VOLUME, NULL, 0, NULL, 0, &BytesReturned, NULL);\r
+  }\r
   if (!Flag || (BytesWritten != BufferSize)) {\r
     DEBUG ((EFI_D_INIT, "ReadBlocks: WriteFile failed. (%d)\n", Private->WinNtThunk->GetLastError ()));\r
     Status = WinNtBlockIoError (Private);\r
@@ -1089,7 +1102,6 @@ This function extends the capability of SetFilePointer to accept 64 bit paramete
 {\r
   EFI_STATUS    Status;\r
   LARGE_INTEGER LargeInt;\r
-  UINT32        ErrorCode;\r
 \r
   LargeInt.QuadPart = DistanceToMove;\r
   Status            = EFI_SUCCESS;\r
@@ -1101,8 +1113,7 @@ This function extends the capability of SetFilePointer to accept 64 bit paramete
                                             MoveMethod\r
                                             );\r
 \r
-  if (LargeInt.LowPart == -1 &&\r
-      (ErrorCode = Private->WinNtThunk->GetLastError ()) != NO_ERROR) {\r
+  if (LargeInt.LowPart == -1 && Private->WinNtThunk->GetLastError () != NO_ERROR) {\r
     Status = EFI_INVALID_PARAMETER;\r
   }\r
 \r