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MdeModulePkg/PartitionDxe: Add impl of Partition Information Protocol

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Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Bret Barkelew <brbarkel@microsoft.com>
Signed-off-by: Hao Wu <hao.a.wu@intel.com>
Reviewed-by: Ruiyu Ni <ruiyu.ni@intel.com>
This commit is contained in:
Hao Wu
2017-06-20 10:51:53 +08:00
parent bce72b5837
commit 3a3d62d2e6
6 changed files with 132 additions and 85 deletions
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51
MdeModulePkg/Universal/Disk/PartitionDxe/Mbr.c
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@@ -12,7 +12,7 @@
the legacy boot strap code.
Copyright (c) 2014, Hewlett-Packard Development Company, L.P.<BR>
Copyright (c) 2006 - 2016, Intel Corporation. All rights reserved.<BR>
Copyright (c) 2006 - 2017, 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
@@ -129,18 +129,19 @@ PartitionInstallMbrChildHandles (
IN EFI_DEVICE_PATH_PROTOCOL *DevicePath
)
{
EFI_STATUS Status;
MASTER_BOOT_RECORD *Mbr;
UINT32 ExtMbrStartingLba;
UINT32 Index;
HARDDRIVE_DEVICE_PATH HdDev;
HARDDRIVE_DEVICE_PATH ParentHdDev;
EFI_STATUS Found;
EFI_DEVICE_PATH_PROTOCOL *DevicePathNode;
EFI_DEVICE_PATH_PROTOCOL *LastDevicePathNode;
UINT32 BlockSize;
UINT32 MediaId;
EFI_LBA LastBlock;
EFI_STATUS Status;
MASTER_BOOT_RECORD *Mbr;
UINT32 ExtMbrStartingLba;
UINT32 Index;
HARDDRIVE_DEVICE_PATH HdDev;
HARDDRIVE_DEVICE_PATH ParentHdDev;
EFI_STATUS Found;
EFI_DEVICE_PATH_PROTOCOL *DevicePathNode;
EFI_DEVICE_PATH_PROTOCOL *LastDevicePathNode;
UINT32 BlockSize;
UINT32 MediaId;
EFI_LBA LastBlock;
EFI_PARTITION_INFO_PROTOCOL PartitionInfo;
Found = EFI_NOT_FOUND;
@@ -225,6 +226,14 @@ PartitionInstallMbrChildHandles (
HdDev.PartitionSize = UNPACK_UINT32 (Mbr->Partition[Index].SizeInLBA);
CopyMem (HdDev.Signature, &(Mbr->UniqueMbrSignature[0]), sizeof (Mbr->UniqueMbrSignature));
ZeroMem (&PartitionInfo, sizeof (EFI_PARTITION_INFO_PROTOCOL));
PartitionInfo.Revision = EFI_PARTITION_INFO_PROTOCOL_REVISION;
PartitionInfo.Type = PARTITION_TYPE_MBR;
if (Mbr->Partition[Index].OSIndicator == EFI_PARTITION) {
PartitionInfo.System = 1;
}
CopyMem (&PartitionInfo.Info.Mbr, &Mbr->Partition[Index], sizeof (MBR_PARTITION_RECORD));
Status = PartitionInstallChildHandle (
This,
Handle,
@@ -234,10 +243,10 @@ PartitionInstallMbrChildHandles (
BlockIo2,
DevicePath,
(EFI_DEVICE_PATH_PROTOCOL *) &HdDev,
&PartitionInfo,
HdDev.PartitionStart,
HdDev.PartitionStart + HdDev.PartitionSize - 1,
MBR_SIZE,
(BOOLEAN) (Mbr->Partition[Index].OSIndicator == EFI_PARTITION)
MBR_SIZE
);
if (!EFI_ERROR (Status)) {
@@ -288,6 +297,14 @@ PartitionInstallMbrChildHandles (
//
*((UINT32 *) &HdDev.Signature[0]) = 0;
ZeroMem (&PartitionInfo, sizeof (EFI_PARTITION_INFO_PROTOCOL));
PartitionInfo.Revision = EFI_PARTITION_INFO_PROTOCOL_REVISION;
PartitionInfo.Type = PARTITION_TYPE_MBR;
if (Mbr->Partition[0].OSIndicator == EFI_PARTITION) {
PartitionInfo.System = 1;
}
CopyMem (&PartitionInfo.Info.Mbr, &Mbr->Partition[0], sizeof (MBR_PARTITION_RECORD));
Status = PartitionInstallChildHandle (
This,
Handle,
@@ -297,10 +314,10 @@ PartitionInstallMbrChildHandles (
BlockIo2,
DevicePath,
(EFI_DEVICE_PATH_PROTOCOL *) &HdDev,
&PartitionInfo,
HdDev.PartitionStart - ParentHdDev.PartitionStart,
HdDev.PartitionStart - ParentHdDev.PartitionStart + HdDev.PartitionSize - 1,
MBR_SIZE,
(BOOLEAN) (Mbr->Partition[0].OSIndicator == EFI_PARTITION)
MBR_SIZE
);
if (!EFI_ERROR (Status)) {
Found = EFI_SUCCESS;