UNICODE_STRING NameU;
if (ValueType == REG_SZ &&
- ValueLength == 20 * sizeof(WCHAR))
+ ValueLength == 20 * sizeof(WCHAR) &&
+ ((PWCHAR)ValueData)[8] == L'-')
{
NameU.Buffer = (PWCHAR)ValueData;
NameU.Length = NameU.MaximumLength = 8 * sizeof(WCHAR);
RTL_QUERY_REGISTRY_TABLE QueryTable[3];
WCHAR Name[120];
ULONG AdapterCount;
+ ULONG ControllerCount;
ULONG DiskCount;
NTSTATUS Status;
PCM_INT13_DRIVE_PARAMETER Int13Drives;
return;
}
- AdapterCount = 0;
- while (TRUE)
+ for (AdapterCount = 0; ; ++AdapterCount)
{
RtlStringCchPrintfW(Name, ARRAYSIZE(Name),
L"%s\\%lu",
NULL);
if (NT_SUCCESS(Status))
{
- while (TRUE)
+ for (ControllerCount = 0; ; ++ControllerCount)
{
RtlStringCchPrintfW(Name, ARRAYSIZE(Name),
- L"%s\\%lu\\DiskController\\0",
- ROOT_NAME, AdapterCount);
+ L"%s\\%lu\\DiskController\\%lu",
+ ROOT_NAME, AdapterCount, ControllerCount);
Status = RtlQueryRegistryValues(RTL_REGISTRY_ABSOLUTE,
Name,
&QueryTable[2],
}
RtlStringCchPrintfW(Name, ARRAYSIZE(Name),
- L"%s\\%lu\\DiskController\\0\\DiskPeripheral",
- ROOT_NAME, AdapterCount);
+ L"%s\\%lu\\DiskController\\%lu\\DiskPeripheral",
+ ROOT_NAME, AdapterCount, ControllerCount);
Status = RtlQueryRegistryValues(RTL_REGISTRY_ABSOLUTE,
Name,
&QueryTable[2],
QueryTable[1].Name = L"Configuration Data";
QueryTable[1].QueryRoutine = DiskConfigurationDataQueryRoutine;
- DiskCount = 0;
- while (TRUE)
+ for (DiskCount = 0; ; ++DiskCount)
{
BiosDiskEntry = (BIOSDISKENTRY*)RtlAllocateHeap(ProcessHeap, HEAP_ZERO_MEMORY, sizeof(BIOSDISKENTRY));
if (BiosDiskEntry == NULL)
{
- break;
+ RtlFreeHeap(ProcessHeap, 0, Int13Drives);
+ return;
}
RtlStringCchPrintfW(Name, ARRAYSIZE(Name),
- L"%s\\%lu\\DiskController\\0\\DiskPeripheral\\%lu",
- ROOT_NAME, AdapterCount, DiskCount);
+ L"%s\\%lu\\DiskController\\%lu\\DiskPeripheral\\%lu",
+ ROOT_NAME, AdapterCount, ControllerCount, DiskCount);
Status = RtlQueryRegistryValues(RTL_REGISTRY_ABSOLUTE,
Name,
QueryTable,
if (!NT_SUCCESS(Status))
{
RtlFreeHeap(ProcessHeap, 0, BiosDiskEntry);
- break;
+ RtlFreeHeap(ProcessHeap, 0, Int13Drives);
+ return;
}
+ BiosDiskEntry->AdapterNumber = 0; // And NOT "AdapterCount" as it needs to be hardcoded for BIOS!
+ BiosDiskEntry->ControllerNumber = ControllerCount;
BiosDiskEntry->DiskNumber = DiskCount;
- BiosDiskEntry->Recognized = FALSE;
+ BiosDiskEntry->DiskEntry = NULL;
if (DiskCount < Int13Drives[0].NumberDrives)
{
}
else
{
- DPRINT1("Didn't find int13 drive datas for disk %u\n", DiskCount);
+ DPRINT1("Didn't find Int13 drive data for disk %u\n", DiskCount);
}
InsertTailList(&PartList->BiosDiskListHead, &BiosDiskEntry->ListEntry);
+ DPRINT("--->\n");
+ DPRINT("AdapterNumber: %lu\n", BiosDiskEntry->AdapterNumber);
+ DPRINT("ControllerNumber: %lu\n", BiosDiskEntry->ControllerNumber);
DPRINT("DiskNumber: %lu\n", BiosDiskEntry->DiskNumber);
DPRINT("Signature: %08lx\n", BiosDiskEntry->Signature);
DPRINT("Checksum: %08lx\n", BiosDiskEntry->Checksum);
DPRINT("SectorsPerTrack: %d\n", BiosDiskEntry->Int13DiskData.SectorsPerTrack);
DPRINT("MaxHeads: %d\n", BiosDiskEntry->Int13DiskData.MaxHeads);
DPRINT("NumberDrives: %d\n", BiosDiskEntry->Int13DiskData.NumberDrives);
-
- DiskCount++;
+ DPRINT("<---\n");
}
}
-
- RtlFreeHeap(ProcessHeap, 0, Int13Drives);
- return;
}
}
-
- AdapterCount++;
}
RtlFreeHeap(ProcessHeap, 0, Int13Drives);
}
+/*
+ * Detects whether a disk reports as a "super-floppy", i.e. an unpartitioned
+ * disk with a valid VBR, following the criteria used by IoReadPartitionTable()
+ * and IoWritePartitionTable():
+ * only one single partition starting at the beginning of the disk; the reported
+ * defaults are: partition number being zero and its type being FAT16 non-bootable.
+ * Note also that accessing \Device\HarddiskN\Partition0 or Partition1 returns
+ * the same data.
+ */
+// static
+BOOLEAN
+IsSuperFloppy(
+ IN PDISKENTRY DiskEntry)
+{
+ PPARTITION_INFORMATION PartitionInfo;
+ ULONGLONG PartitionLengthEstimate;
+
+ /* No layout buffer: we cannot say anything yet */
+ if (DiskEntry->LayoutBuffer == NULL)
+ return FALSE;
+
+ /* We must have only one partition */
+ if (DiskEntry->LayoutBuffer->PartitionCount != 1)
+ return FALSE;
+
+ /* Get the single partition entry */
+ PartitionInfo = DiskEntry->LayoutBuffer->PartitionEntry;
+
+ /* The single partition must start at the beginning of the disk */
+ if (!(PartitionInfo->StartingOffset.QuadPart == 0 &&
+ PartitionInfo->HiddenSectors == 0))
+ {
+ return FALSE;
+ }
+
+ /* The disk signature is usually set to one; warn in case it's not */
+ if (DiskEntry->LayoutBuffer->Signature != 1)
+ {
+ DPRINT1("Super-Floppy disk %lu signature %08x != 1!\n",
+ DiskEntry->DiskNumber, DiskEntry->LayoutBuffer->Signature);
+ }
+
+ /*
+ * The partition number must be zero or one, be recognized,
+ * have FAT16 type and report as non-bootable.
+ */
+ if ((PartitionInfo->PartitionNumber != 0 &&
+ PartitionInfo->PartitionNumber != 1) ||
+ PartitionInfo->RecognizedPartition != TRUE ||
+ PartitionInfo->PartitionType != PARTITION_FAT_16 ||
+ PartitionInfo->BootIndicator != FALSE)
+ {
+ DPRINT1("Super-Floppy disk %lu does not return default settings!\n"
+ " PartitionNumber = %lu, expected 0\n"
+ " RecognizedPartition = %s, expected TRUE\n"
+ " PartitionType = 0x%02x, expected 0x04 (PARTITION_FAT_16)\n"
+ " BootIndicator = %s, expected FALSE\n",
+ DiskEntry->DiskNumber,
+ PartitionInfo->PartitionNumber,
+ PartitionInfo->RecognizedPartition ? "TRUE" : "FALSE",
+ PartitionInfo->PartitionType,
+ PartitionInfo->BootIndicator ? "TRUE" : "FALSE");
+ }
+
+ /* The partition lengths should agree */
+ PartitionLengthEstimate = DiskEntry->SectorCount.QuadPart * DiskEntry->BytesPerSector;
+ if (PartitionInfo->PartitionLength.QuadPart != PartitionLengthEstimate)
+ {
+ DPRINT1("PartitionLength = %I64u is different from PartitionLengthEstimate = %I64u\n",
+ PartitionInfo->PartitionLength.QuadPart, PartitionLengthEstimate);
+ }
+
+ return TRUE;
+}
+
/*
* Inserts the disk region represented by PartEntry into either the primary
}
}
+static
+VOID
+UpdateHwDiskNumbers(
+ IN PPARTLIST List)
+{
+ PLIST_ENTRY ListEntry;
+ PBIOSDISKENTRY BiosDiskEntry;
+ PDISKENTRY DiskEntry;
+ ULONG HwAdapterNumber = 0;
+ ULONG HwControllerNumber = 0;
+ ULONG RemovableDiskCount = 0;
+
+ /*
+ * Enumerate the disks recognized by the BIOS and recompute the disk
+ * numbers on the system when *ALL* removable disks are not connected.
+ * The entries are inserted in increasing order of AdapterNumber,
+ * ControllerNumber and DiskNumber.
+ */
+ for (ListEntry = List->BiosDiskListHead.Flink;
+ ListEntry != &List->BiosDiskListHead;
+ ListEntry = ListEntry->Flink)
+ {
+ BiosDiskEntry = CONTAINING_RECORD(ListEntry, BIOSDISKENTRY, ListEntry);
+ DiskEntry = BiosDiskEntry->DiskEntry;
+
+ /*
+ * If the adapter or controller numbers change, update them and reset
+ * the number of removable disks on this adapter/controller.
+ */
+ if (HwAdapterNumber != BiosDiskEntry->AdapterNumber ||
+ HwControllerNumber != BiosDiskEntry->ControllerNumber)
+ {
+ HwAdapterNumber = BiosDiskEntry->AdapterNumber;
+ HwControllerNumber = BiosDiskEntry->ControllerNumber;
+ RemovableDiskCount = 0;
+ }
+
+ /* Adjust the actual hardware disk number */
+ if (DiskEntry)
+ {
+ ASSERT(DiskEntry->HwDiskNumber == BiosDiskEntry->DiskNumber);
+
+ if (DiskEntry->MediaType == RemovableMedia)
+ {
+ /* Increase the number of removable disks and set the disk number to zero */
+ ++RemovableDiskCount;
+ DiskEntry->HwFixedDiskNumber = 0;
+ }
+ else // if (DiskEntry->MediaType == FixedMedia)
+ {
+ /* Adjust the fixed disk number, offset by the number of removable disks found before this one */
+ DiskEntry->HwFixedDiskNumber = BiosDiskEntry->DiskNumber - RemovableDiskCount;
+ }
+ }
+ else
+ {
+ DPRINT1("BIOS disk %lu is not recognized by NTOS!\n", BiosDiskEntry->DiskNumber);
+ }
+ }
+}
+
static
VOID
AddDiskToList(
Checksum = ~Checksum + 1;
RtlStringCchPrintfW(Identifier, ARRAYSIZE(Identifier),
- L"%08x-%08x-A", Checksum, Signature);
+ L"%08x-%08x-%c",
+ Checksum, Signature,
+ (Mbr->Magic == PARTITION_MAGIC) ? L'A' : L'X');
DPRINT("Identifier: %S\n", Identifier);
DiskEntry = RtlAllocateHeap(ProcessHeap,
DiskEntry->PartList = List;
+#if 0
+ {
+ FILE_FS_DEVICE_INFORMATION FileFsDevice;
+
+ /* Query the device for its type */
+ Status = NtQueryVolumeInformationFile(FileHandle,
+ &Iosb,
+ &FileFsDevice,
+ sizeof(FileFsDevice),
+ FileFsDeviceInformation);
+ if (!NT_SUCCESS(Status))
+ {
+ DPRINT1("Couldn't detect device type for disk %lu of identifier '%S'...\n", DiskNumber, Identifier);
+ }
+ else
+ {
+ DPRINT1("Disk %lu : DeviceType: 0x%08x ; Characteristics: 0x%08x\n", DiskNumber, FileFsDevice.DeviceType, FileFsDevice.Characteristics);
+ }
+ }
+ // NOTE: We may also use NtQueryVolumeInformationFile(FileFsDeviceInformation).
+#endif
+ DiskEntry->MediaType = DiskGeometry.MediaType;
+ if (DiskEntry->MediaType == RemovableMedia)
+ {
+ DPRINT1("Disk %lu of identifier '%S' is removable\n", DiskNumber, Identifier);
+ }
+ else // if (DiskEntry->MediaType == FixedMedia)
+ {
+ DPRINT1("Disk %lu of identifier '%S' is fixed\n", DiskNumber, Identifier);
+ }
+
// DiskEntry->Checksum = Checksum;
// DiskEntry->Signature = Signature;
DiskEntry->BiosFound = FALSE;
*/
if (BiosDiskEntry->Signature == Signature &&
BiosDiskEntry->Checksum == Checksum &&
- !BiosDiskEntry->Recognized)
+ BiosDiskEntry->DiskEntry == NULL)
{
if (!DiskEntry->BiosFound)
{
- DiskEntry->BiosDiskNumber = BiosDiskEntry->DiskNumber;
+ DiskEntry->HwAdapterNumber = BiosDiskEntry->AdapterNumber;
+ DiskEntry->HwControllerNumber = BiosDiskEntry->ControllerNumber;
+ DiskEntry->HwDiskNumber = BiosDiskEntry->DiskNumber;
+
+ if (DiskEntry->MediaType == RemovableMedia)
+ {
+ /* Set the removable disk number to zero */
+ DiskEntry->HwFixedDiskNumber = 0;
+ }
+ else // if (DiskEntry->MediaType == FixedMedia)
+ {
+ /* The fixed disk number will later be adjusted using the number of removable disks */
+ DiskEntry->HwFixedDiskNumber = BiosDiskEntry->DiskNumber;
+ }
+
DiskEntry->BiosFound = TRUE;
- BiosDiskEntry->Recognized = TRUE;
+ BiosDiskEntry->DiskEntry = DiskEntry;
+ break;
}
else
{
// FIXME: What to do?
+ DPRINT1("Disk %lu of identifier '%S' has already been found?!\n", DiskNumber, Identifier);
}
}
}
if (!DiskEntry->BiosFound)
{
-#if 0
- RtlFreeHeap(ProcessHeap, 0, DiskEntry);
- return;
-#else
- DPRINT1("WARNING: Setup could not find a matching BIOS disk entry. Disk %d is not be bootable by the BIOS!\n", DiskNumber);
-#endif
+ DPRINT1("WARNING: Setup could not find a matching BIOS disk entry. Disk %lu may not be bootable by the BIOS!\n", DiskNumber);
}
- InitializeListHead(&DiskEntry->PrimaryPartListHead);
- InitializeListHead(&DiskEntry->LogicalPartListHead);
-
DiskEntry->Cylinders = DiskGeometry.Cylinders.QuadPart;
DiskEntry->TracksPerCylinder = DiskGeometry.TracksPerCylinder;
DiskEntry->SectorsPerTrack = DiskGeometry.SectorsPerTrack;
* See examples in https://git.reactos.org/?p=reactos.git;a=blob;f=reactos/ntoskrnl/io/iomgr/error.c;hb=2f3a93ee9cec8322a86bf74b356f1ad83fc912dc#l267
*/
+ InitializeListHead(&DiskEntry->PrimaryPartListHead);
+ InitializeListHead(&DiskEntry->LogicalPartListHead);
+
InsertAscendingList(&List->DiskListHead, DiskEntry, DISKENTRY, ListEntry, DiskNumber);
DumpPartitionTable(DiskEntry);
#endif
+ if (IsSuperFloppy(DiskEntry))
+ DPRINT1("Disk %lu is a super-floppy\n", DiskNumber);
+
if (DiskEntry->LayoutBuffer->PartitionEntry[0].StartingOffset.QuadPart != 0 &&
DiskEntry->LayoutBuffer->PartitionEntry[0].PartitionLength.QuadPart != 0 &&
DiskEntry->LayoutBuffer->PartitionEntry[0].PartitionType != PARTITION_ENTRY_UNUSED)
}
UpdateDiskSignatures(List);
-
+ UpdateHwDiskNumbers(List);
AssignDriveLetters(List);
return List;
PDISKENTRY
GetDiskByBiosNumber(
IN PPARTLIST List,
- IN ULONG BiosDiskNumber)
+ IN ULONG HwDiskNumber)
{
PDISKENTRY DiskEntry;
PLIST_ENTRY Entry;
{
DiskEntry = CONTAINING_RECORD(Entry, DISKENTRY, ListEntry);
- if (DiskEntry->BiosDiskNumber == BiosDiskNumber)
+ if (DiskEntry->HwDiskNumber == HwDiskNumber)
{
/* Disk found */
return DiskEntry;
if (List->SystemPartition == PartEntry)
{
ASSERT(List->SystemPartition);
+ ASSERT(List->SystemPartition->DiskEntry->MediaType != RemovableMedia);
if (List->SystemPartition == List->OriginalSystemPartition)
List->OriginalSystemPartition = NULL;
//
// NOTE: Originally (see r40437), we used to install here also a new MBR
// for this disk (by calling InstallMbrBootCodeToDisk), only if:
- // DiskEntry->NewDisk == TRUE and DiskEntry->BiosDiskNumber == 0.
+ // DiskEntry->NewDisk == TRUE and DiskEntry->HwDiskNumber == 0.
// Then after that, both DiskEntry->NewDisk and DiskEntry->NoMbr were set
// to FALSE. In the other place (in usetup.c) where InstallMbrBootCodeToDisk
// was called too, the installation test was modified by checking whether
if (PartEntry->IsPartitioned)
return ERROR_NEW_PARTITION;
+ /* Only one primary partition is allowed on super-floppy */
+ if (IsSuperFloppy(DiskEntry))
+ return ERROR_PARTITION_TABLE_FULL;
+
/* Fail if there are already 4 primary partitions in the list */
if (GetPrimaryPartitionCount(DiskEntry) >= 4)
return ERROR_PARTITION_TABLE_FULL;
if (PartEntry->IsPartitioned)
return ERROR_NEW_PARTITION;
+ /* Only one primary partition is allowed on super-floppy */
+ if (IsSuperFloppy(DiskEntry))
+ return ERROR_PARTITION_TABLE_FULL;
+
/* Fail if there are already 4 primary partitions in the list */
if (GetPrimaryPartitionCount(DiskEntry) >= 4)
return ERROR_PARTITION_TABLE_FULL;
if (PartEntry->IsPartitioned)
return ERROR_NEW_PARTITION;
+ /* Only one primary partition is allowed on super-floppy */
+ if (IsSuperFloppy(DiskEntry))
+ return ERROR_PARTITION_TABLE_FULL;
+
return ERROR_SUCCESS;
}
projects / reactos.git / blobdiff