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MdeModulePkg/Sd: add Erase Block support on sd/emmc device

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It's done by producing EFI_ERASE_BLOCK_PROTOCOL protocol instance.

Cc: Hao Wu <hao.a.wu@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Feng Tian <feng.tian@intel.com>
Reviewed-by: Hao Wu <hao.a.wu@intel.com>
This commit is contained in:
Feng Tian
2016-05-03 14:07:38 +08:00
parent 140cc8000f
commit 275d51369a
10 changed files with 978 additions and 6 deletions
Download Patch File Download Diff File Expand all files Collapse all files

74
MdeModulePkg/Bus/Sd/EmmcDxe/EmmcDxe.c
View File

@@ -68,6 +68,11 @@ EMMC_PARTITION mEmmcPartitionTemplate = {
EmmcSecurityProtocolIn,
EmmcSecurityProtocolOut
},
{ // EraseBlock
EFI_ERASE_BLOCK_PROTOCOL_REVISION,
1,
EmmcEraseBlocks
},
{
NULL,
NULL
@@ -369,6 +374,16 @@ DiscoverAllPartitions (
Partition->Enable = TRUE;
Partition->BlockMedia.LastBlock = DivU64x32 (Capacity, Partition->BlockMedia.BlockSize) - 1;
}
if ((ExtCsd->EraseGroupDef & BIT0) == 0) {
if (Csd->WriteBlLen < 9) {
Partition->EraseBlock.EraseLengthGranularity = 1;
} else {
Partition->EraseBlock.EraseLengthGranularity = (Csd->EraseGrpMult + 1) * (Csd->EraseGrpSize + 1) * (1 << (Csd->WriteBlLen - 9));
}
} else {
Partition->EraseBlock.EraseLengthGranularity = 1024 * ExtCsd->HcEraseGrpSize;
}
}
return EFI_SUCCESS;
@@ -438,10 +453,32 @@ InstallProtocolOnPartition (
&Partition->BlockIo2,
NULL
);
if (EFI_ERROR (Status)) {
if (EFI_ERROR (Status)) {
goto Error;
}
if (Partition->PartitionType != EmmcPartitionRPMB) {
Status = gBS->InstallProtocolInterface (
&Partition->Handle,
&gEfiEraseBlockProtocolGuid,
EFI_NATIVE_INTERFACE,
&Partition->EraseBlock
);
if (EFI_ERROR (Status)) {
gBS->UninstallMultipleProtocolInterfaces (
&Partition->Handle,
&gEfiDevicePathProtocolGuid,
Partition->DevicePath,
&gEfiBlockIoProtocolGuid,
&Partition->BlockIo,
&gEfiBlockIo2ProtocolGuid,
&Partition->BlockIo2,
NULL
);
goto Error;
}
}
if (((Partition->PartitionType == EmmcPartitionUserData) ||
(Partition->PartitionType == EmmcPartitionBoot1) ||
(Partition->PartitionType == EmmcPartitionBoot2)) &&
@@ -461,6 +498,8 @@ InstallProtocolOnPartition (
&Partition->BlockIo,
&gEfiBlockIo2ProtocolGuid,
&Partition->BlockIo2,
&gEfiEraseBlockProtocolGuid,
&Partition->EraseBlock,
NULL
);
goto Error;
@@ -954,6 +993,7 @@ EmmcDxeDriverBindingStop (
EFI_BLOCK_IO_PROTOCOL *BlockIo;
EFI_BLOCK_IO2_PROTOCOL *BlockIo2;
EFI_STORAGE_SECURITY_COMMAND_PROTOCOL *StorageSecurity;
EFI_ERASE_BLOCK_PROTOCOL *EraseBlock;
LIST_ENTRY *Link;
LIST_ENTRY *NextLink;
EMMC_REQUEST *Request;
@@ -1095,6 +1135,38 @@ EmmcDxeDriverBindingStop (
continue;
}
//
// If Erase Block Protocol is installed, then uninstall this protocol.
//
Status = gBS->OpenProtocol (
ChildHandleBuffer[Index],
&gEfiEraseBlockProtocolGuid,
(VOID **) &EraseBlock,
This->DriverBindingHandle,
Controller,
EFI_OPEN_PROTOCOL_GET_PROTOCOL
);
if (!EFI_ERROR (Status)) {
Status = gBS->UninstallProtocolInterface (
ChildHandleBuffer[Index],
&gEfiEraseBlockProtocolGuid,
&Partition->EraseBlock
);
if (EFI_ERROR (Status)) {
gBS->OpenProtocol (
Controller,
&gEfiSdMmcPassThruProtocolGuid,
(VOID **) &Partition->Device->Private->PassThru,
This->DriverBindingHandle,
ChildHandleBuffer[Index],
EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER
);
AllChildrenStopped = FALSE;
continue;
}
}
//
// If Storage Security Command Protocol is installed, then uninstall this protocol.
//