NTSTATUS
BcInitialize (
VOID
)
{
NTSTATUS Status;
Status = BlHtCreate(50, BcpHashFunction, BcpCompareKey, &BcpHashTableId);
if (!NT_SUCCESS(Status))
{
goto Quickie;
}
BcpBlockAllocatorHandle = BlpMmCreateBlockAllocator();
if (BcpBlockAllocatorHandle == -1)
{
Status = STATUS_UNSUCCESSFUL;
goto Quickie;
}
Status = BlpIoRegisterDestroyRoutine(BcpDestroy);
if (Status >= 0)
{
return Status;
}
Quickie:
EfiPrintf(L"Failure path not yet implemented\n");
#if 0
if (BcpHashTableId != -1)
{
BlHtDestroy(BcpHashTableId);
}
if (BcpBlockAllocatorHandle != -1)
{
BlpMmDeleteBlockAllocator(BcpBlockAllocatorHandle);
}
#endif
return Status;
}
NTSTATUS
MmBapFreeBlockAllocatorTableEntry (
_In_ PVOID Entry,
_In_ ULONG Index
)
{
PBL_BLOCK_DESCRIPTOR BlockInfo = (PBL_BLOCK_DESCRIPTOR)Entry;
NTSTATUS Status, LocalStatus;
/* Assume success */
Status = STATUS_SUCCESS;
/* Check if there was at least one reference */
if (BlockInfo->ReferenceCount > 1)
{
/* Try to delete the allocator */
LocalStatus = BlpMmDeleteBlockAllocator(BlockInfo->BlockId);
if (!NT_SUCCESS(LocalStatus))
{
/* Remember status on failure only */
Status = LocalStatus;
}
}
/* Now destroy the allocator's descriptor */
LocalStatus = BlMmFreeHeap(BlockInfo);
if (!NT_SUCCESS(LocalStatus))
{
/* Remember status on failure only */
Status = LocalStatus;
}
/* Free the entry, and return failure, if any */
MmBlockAllocatorTable[Index] = NULL;
return Status;
}