Per UEFI Spec, LowestAlignedLba and LogicalBlocksPerPhysicalBlock must be 0 for logical partitions.

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@10668 6f19259b-4bc3-4df7-8a09-765794883524

1 files changed, 10 insertions, 1 deletions

diff --git a/MdeModulePkg/Universal/Disk/PartitionDxe/Partition.c b/MdeModulePkg/Universal/Disk/PartitionDxe/Partition.c
index 5629a74656..1b0c3b36eb 100644
--- a/MdeModulePkg/Universal/Disk/PartitionDxe/Partition.c
+++ b/MdeModulePkg/Universal/Disk/PartitionDxe/Partition.c
@@ -4,7 +4,7 @@
   of the raw block devices media. Currently "El Torito CD-ROM", Legacy

   MBR, and GPT partition schemes are supported.

 

-Copyright (c) 2006 - 2009, Intel Corporation. All rights reserved.<BR>

+Copyright (c) 2006 - 2010, 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

@@ -658,6 +658,15 @@ PartitionInstallChildHandle (
 

   Private->Media.BlockSize      = (UINT32) BlockSize;

 

+  //

+  // Per UEFI Spec, LowestAlignedLba and LogicalBlocksPerPhysicalBlock must be 0

+  //  for logical partitions.

+  //

+  if (Private->BlockIo.Revision >= EFI_BLOCK_IO_PROTOCOL_REVISION2) {

+    Private->BlockIo.Media->LowestAlignedLba              = 0;

+    Private->BlockIo.Media->LogicalBlocksPerPhysicalBlock = 0;

+  }

+

   Private->BlockIo.Reset        = PartitionReset;

   Private->BlockIo.ReadBlocks   = PartitionReadBlocks;

   Private->BlockIo.WriteBlocks  = PartitionWriteBlocks;