/*
* ReactOS kernel
- * Copyright (C) 2002, 2003 ReactOS Team
+ * Copyright (C) 2002, 2003, 2004, 2005 ReactOS Team
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* PURPOSE: Partition list functions
* PROGRAMMER: Eric Kohl
* Casper S. Hornstrup (chorns@users.sourceforge.net)
+ * Hartmut Birr
*/
-#include "usetup.h"
+#include <usetup.h>
#define NDEBUG
#include <debug.h>
}
}
+NTSTATUS
+STDCALL
+DiskQueryRoutine(PWSTR ValueName,
+ ULONG ValueType,
+ PVOID ValueData,
+ ULONG ValueLength,
+ PVOID Context,
+ PVOID EntryContext)
+{
+ PLIST_ENTRY ListHead = (PLIST_ENTRY)Context;
+ PULONG GlobalDiskCount = (PULONG)EntryContext;
+ PBIOSDISKENTRY BiosDiskEntry;
+ UNICODE_STRING NameU;
+
+ if (ValueType == REG_SZ &&
+ ValueLength == 20 * sizeof(WCHAR))
+ {
+ BiosDiskEntry = RtlAllocateHeap(ProcessHeap, 0, sizeof(BIOSDISKENTRY));
+ if (BiosDiskEntry == NULL)
+ {
+ return STATUS_NO_MEMORY;
+ }
+ BiosDiskEntry->DiskNumber = (*GlobalDiskCount)++;
+
+ NameU.Buffer = (PWCHAR)ValueData;
+ NameU.Length = NameU.MaximumLength = 8 * sizeof(WCHAR);
+ RtlUnicodeStringToInteger(&NameU, 16, &BiosDiskEntry->Checksum);
+
+ NameU.Buffer = (PWCHAR)ValueData + 9;
+ RtlUnicodeStringToInteger(&NameU, 16, &BiosDiskEntry->Signature);
+
+ InsertTailList(ListHead, &BiosDiskEntry->ListEntry);
+ }
+
+ return STATUS_SUCCESS;
+}
+
+#define ROOT_NAME L"\\Registry\\Machine\\HARDWARE\\DESCRIPTION\\System\\MultifunctionAdapter"
+
+STATIC VOID
+EnumerateBiosDiskEntries(PPARTLIST PartList)
+{
+ RTL_QUERY_REGISTRY_TABLE QueryTable[2];
+ WCHAR Name[100];
+ ULONG AdapterCount;
+ ULONG ControllerCount;
+ ULONG DiskCount;
+ NTSTATUS Status;
+ ULONG GlobalDiskCount=0;
+
+
+ memset(QueryTable, 0, sizeof(QueryTable));
+ QueryTable[0].Name = L"Identifier";
+ QueryTable[0].QueryRoutine = DiskQueryRoutine;
+ QueryTable[0].EntryContext = (PVOID)&GlobalDiskCount;
+
+ AdapterCount = 0;
+ while (1)
+ {
+ swprintf(Name, L"%s\\%lu", ROOT_NAME, AdapterCount);
+ Status = RtlQueryRegistryValues(RTL_REGISTRY_ABSOLUTE,
+ Name,
+ &QueryTable[1],
+ NULL,
+ NULL);
+ if (!NT_SUCCESS(Status))
+ {
+ break;
+ }
+
+ swprintf(Name, L"%s\\%lu\\DiskController", ROOT_NAME, AdapterCount);
+ Status = RtlQueryRegistryValues(RTL_REGISTRY_ABSOLUTE,
+ Name,
+ &QueryTable[1],
+ NULL,
+ NULL);
+ if (NT_SUCCESS(Status))
+ {
+ ControllerCount = 0;
+ while (1)
+ {
+ swprintf(Name, L"%s\\%lu\\DiskController\\%lu", ROOT_NAME, AdapterCount, ControllerCount);
+ Status = RtlQueryRegistryValues(RTL_REGISTRY_ABSOLUTE,
+ Name,
+ &QueryTable[1],
+ NULL,
+ NULL);
+ if (!NT_SUCCESS(Status))
+ {
+ break;
+ }
+
+ swprintf(Name, L"%s\\%lu\\DiskController\\%lu\\DiskPeripheral", ROOT_NAME, AdapterCount, ControllerCount);
+ Status = RtlQueryRegistryValues(RTL_REGISTRY_ABSOLUTE,
+ Name,
+ &QueryTable[1],
+ NULL,
+ NULL);
+ if (NT_SUCCESS(Status))
+ {
+ DiskCount = 0;
+ while (1)
+ {
+ swprintf(Name, L"%s\\%lu\\DiskController\\%lu\\DiskPeripheral\\%lu", ROOT_NAME, AdapterCount, ControllerCount, DiskCount);
+ Status = RtlQueryRegistryValues(RTL_REGISTRY_ABSOLUTE,
+ Name,
+ QueryTable,
+ (PVOID)&PartList->BiosDiskListHead,
+ NULL);
+ if (!NT_SUCCESS(Status))
+ {
+ break;
+ }
+ DiskCount++;
+ }
+ }
+ ControllerCount++;
+ }
+ }
+ AdapterCount++;
+ }
+}
static VOID
AddDiskToList (HANDLE FileHandle,
PDISKENTRY DiskEntry;
IO_STATUS_BLOCK Iosb;
NTSTATUS Status;
+ PPARTITION_SECTOR Mbr;
+ PULONG Buffer;
+ LARGE_INTEGER FileOffset;
+ WCHAR Identifier[20];
+ ULONG Checksum;
+ ULONG Signature;
+ ULONG i;
+ PLIST_ENTRY ListEntry;
+ PBIOSDISKENTRY BiosDiskEntry;
Status = NtDeviceIoControlFile (FileHandle,
NULL,
return;
}
+ Mbr = RtlAllocateHeap(ProcessHeap,
+ 0,
+ DiskGeometry.BytesPerSector);
+
+ if (Mbr == NULL)
+ {
+ return;
+ }
+
+ FileOffset.QuadPart = 0;
+ Status = NtReadFile(FileHandle,
+ NULL,
+ NULL,
+ NULL,
+ &Iosb,
+ (PVOID)Mbr,
+ DiskGeometry.BytesPerSector,
+ &FileOffset,
+ NULL);
+ if (!NT_SUCCESS(Status))
+ {
+ RtlFreeHeap(ProcessHeap,
+ 0,
+ Mbr);
+ DPRINT1("NtReadFile failed, status=%x\n", Status);
+ return;
+ }
+ Signature = Mbr->Signature;
+
+ /* Calculate the MBR checksum */
+ Checksum = 0;
+ Buffer = (PULONG)Mbr;
+ for (i = 0; i < 128; i++)
+ {
+ Checksum += Buffer[i];
+ }
+ Checksum = ~Checksum + 1;
+
+ RtlFreeHeap (ProcessHeap,
+ 0,
+ Mbr);
+
+ swprintf(Identifier, L"%08x-%08x-A", Checksum, Signature);
+ DPRINT("Identifier: %S\n", Identifier);
+
DiskEntry = (PDISKENTRY)RtlAllocateHeap (ProcessHeap,
0,
sizeof(DISKENTRY));
return;
}
+ DiskEntry->Checksum = Checksum;
+ DiskEntry->Signature = Signature;
+ DiskEntry->BiosFound = FALSE;
+
+ ListEntry = List->BiosDiskListHead.Flink;
+ while(ListEntry != &List->BiosDiskListHead)
+ {
+ BiosDiskEntry = CONTAINING_RECORD(ListEntry, BIOSDISKENTRY, ListEntry);
+ if (BiosDiskEntry->Signature == Signature &&
+ BiosDiskEntry->Checksum == Checksum)
+ {
+ if (!DiskEntry->BiosFound)
+ {
+ DiskEntry->BiosDiskNumber = BiosDiskEntry->DiskNumber;
+ DiskEntry->BiosFound = TRUE;
+ }
+ else
+ {
+ }
+ }
+ ListEntry = ListEntry->Flink;
+ }
+
+ if (!DiskEntry->BiosFound)
+ {
+ RtlFreeHeap(ProcessHeap, 0, DiskEntry);
+ return;
+ }
+
InitializeListHead (&DiskEntry->PartListHead);
DiskEntry->Cylinders = DiskGeometry.Cylinders.QuadPart;
GetDriverName (DiskEntry);
- InsertTailList (&List->DiskListHead,
- &DiskEntry->ListEntry);
+ InsertAscendingList(&List->DiskListHead, DISKENTRY, ListEntry, DiskEntry, BiosDiskNumber);
LayoutBuffer = (DRIVE_LAYOUT_INFORMATION*)RtlAllocateHeap (ProcessHeap,
0,
List->CurrentPartition = NULL;
InitializeListHead (&List->DiskListHead);
+ InitializeListHead (&List->BiosDiskListHead);
+
+ EnumerateBiosDiskEntries(List);
Status = NtQuerySystemInformation (SystemDeviceInformation,
&Sdi,
DestroyPartitionList (PPARTLIST List)
{
PDISKENTRY DiskEntry;
+ PBIOSDISKENTRY BiosDiskEntry;
PPARTENTRY PartEntry;
PLIST_ENTRY Entry;
RtlFreeHeap (ProcessHeap, 0, DiskEntry);
}
+ /* release the bios disk info */
+ while(!IsListEmpty(&List->BiosDiskListHead))
+ {
+ Entry = RemoveHeadList(&List->BiosDiskListHead);
+ BiosDiskEntry = CONTAINING_RECORD(Entry, BIOSDISKENTRY, ListEntry);
+
+ RtlFreeHeap(ProcessHeap, 0, BiosDiskEntry);
+ }
+
/* Release list head */
RtlFreeHeap (ProcessHeap, 0, List);
}
if (DiskEntry->DriverName.Length > 0)
{
sprintf (LineBuffer,
- "%6I64u %s Harddisk %lu (Port=%hu, Bus=%hu, Id=%hu) on %S",
+ "%6I64u %s Harddisk %lu (Port=%hu, Bus=%hu, Id=%hu) on %wZ",
DiskSize,
Unit,
DiskEntry->DiskNumber,
DiskEntry->Port,
DiskEntry->Bus,
DiskEntry->Id,
- DiskEntry->DriverName.Buffer);
+ &DiskEntry->DriverName);
}
else
{
DriveLayoutSize);
DriveLayout->PartitionCount = PartitionCount;
+ if (DiskEntry->Signature == 0)
+ {
+ LARGE_INTEGER SystemTime;
+ TIME_FIELDS TimeFields;
+ PUCHAR Buffer;
+
+ NtQuerySystemTime (&SystemTime);
+ RtlTimeToTimeFields (&SystemTime, &TimeFields);
+ Buffer = (PUCHAR)&DiskEntry->Signature;
+ Buffer[0] = (UCHAR)(TimeFields.Year & 0xFF) + (UCHAR)(TimeFields.Hour & 0xFF);
+ Buffer[1] = (UCHAR)(TimeFields.Year >> 8) + (UCHAR)(TimeFields.Minute & 0xFF);
+ Buffer[2] = (UCHAR)(TimeFields.Month & 0xFF) + (UCHAR)(TimeFields.Second & 0xFF);
+ Buffer[3] = (UCHAR)(TimeFields.Day & 0xFF) + (UCHAR)(TimeFields.Milliseconds & 0xFF);
+
+ /* FIXME:
+ * check for an existing signature
+ */
+
+ }
+
+ DriveLayout->Signature = DiskEntry->Signature;
+
Index = 0;
Entry2 = DiskEntry->PartListHead.Flink;
while (Entry2 != &DiskEntry->PartListHead)
return TRUE;
}
+BOOL SetMountedDeviceValues(PPARTLIST List)
+{
+ PLIST_ENTRY Entry1, Entry2;
+ PDISKENTRY DiskEntry;
+ PPARTENTRY PartEntry;
+
+ if (List == NULL)
+ {
+ return FALSE;
+ }
+
+ Entry1 = List->DiskListHead.Flink;
+ while (Entry1 != &List->DiskListHead)
+ {
+ DiskEntry = CONTAINING_RECORD (Entry1,
+ DISKENTRY,
+ ListEntry);
+
+ Entry2 = DiskEntry->PartListHead.Flink;
+ while (Entry2 != &DiskEntry->PartListHead)
+ {
+ PartEntry = CONTAINING_RECORD(Entry2, PARTENTRY, ListEntry);
+ if (!PartEntry->Unpartitioned && PartEntry->DriveLetter)
+ {
+ if (!SetMountedDeviceValue(PartEntry->DriveLetter, DiskEntry->Signature, PartEntry->PartInfo[0].StartingOffset))
+ {
+ return FALSE;
+ }
+ }
+ Entry2 = Entry2->Flink;
+ }
+ Entry1 = Entry1->Flink;
+ }
+ return TRUE;
+}
+
+
+
/* EOF */
projects / reactos.git / blobdiff