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Windows: Implement TRIM support for non-system SSD partitions/drives and add driver option to enable it (TRIM is disabled by default for non-system SSD partitions/drives)

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This commit is contained in:
Mounir IDRASSI
2018-03-04 18:48:16 +01:00
parent 5065116e56
commit cd59d5364f
8 changed files with 341 additions and 43 deletions
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1
src/Common/Apidrvr.h
View File

@@ -410,5 +410,6 @@ typedef struct
#define TC_DRIVER_CONFIG_ENABLE_EXTENDED_IOCTL 0x10
#define TC_DRIVER_CONFIG_DISABLE_EVIL_MAID_ATTACK_DETECTION 0x20
#define TC_DRIVER_CONFIG_CACHE_BOOT_PIM 0x40
#define VC_DRIVER_CONFIG_ALLOW_NONSYS_TRIM 0x80
#endif /* _WIN32 */

2
src/Common/Common.h
View File

@@ -23,6 +23,8 @@
#define VOLUME_ID_SIZE SHA256_DIGESTSIZE
#define ALIGN_VALUE(value, alignment) (((alignment) == 0)? (value) : (((value) + ((alignment) - 1)) & ~((alignment) - 1)))
typedef enum
{
// IMPORTANT: If you add a new item here, update IsOSVersionAtLeast().

322
src/Driver/Ntdriver.c
View File

@@ -69,6 +69,42 @@
#define IOCTL_VOLUME_IS_DYNAMIC CTL_CODE(IOCTL_VOLUME_BASE, 18, METHOD_BUFFERED, FILE_ANY_ACCESS)
#endif
#ifndef StorageDeviceLBProvisioningProperty
#define StorageDeviceLBProvisioningProperty 11
#endif
#ifndef DeviceDsmAction_OffloadRead
#define DeviceDsmAction_OffloadRead ( 3 | DeviceDsmActionFlag_NonDestructive)
#endif
#ifndef DeviceDsmAction_OffloadWrite
#define DeviceDsmAction_OffloadWrite 4
#endif
#ifndef DeviceDsmAction_Allocation
#define DeviceDsmAction_Allocation ( 5 | DeviceDsmActionFlag_NonDestructive)
#endif
#ifndef DeviceDsmAction_Repair
#define DeviceDsmAction_Repair ( 6 | DeviceDsmActionFlag_NonDestructive)
#endif
#ifndef DeviceDsmAction_Scrub
#define DeviceDsmAction_Scrub ( 7 | DeviceDsmActionFlag_NonDestructive)
#endif
#ifndef DeviceDsmAction_DrtQuery
#define DeviceDsmAction_DrtQuery ( 8 | DeviceDsmActionFlag_NonDestructive)
#endif
#ifndef DeviceDsmAction_DrtClear
#define DeviceDsmAction_DrtClear ( 9 | DeviceDsmActionFlag_NonDestructive)
#endif
#ifndef DeviceDsmAction_DrtDisable
#define DeviceDsmAction_DrtDisable (10 | DeviceDsmActionFlag_NonDestructive)
#endif
/* Init section, which is thrown away as soon as DriverEntry returns */
#pragma alloc_text(INIT,DriverEntry)
#pragma alloc_text(INIT,TCCreateRootDeviceObject)
@@ -96,6 +132,7 @@ static size_t EncryptionThreadPoolFreeCpuCountLimit = 0;
static BOOL SystemFavoriteVolumeDirty = FALSE;
static BOOL PagingFileCreationPrevented = FALSE;
static BOOL EnableExtendedIoctlSupport = FALSE;
static BOOL AllowTrimCommand = FALSE;
static KeSaveExtendedProcessorStateFn KeSaveExtendedProcessorStatePtr = NULL;
static KeRestoreExtendedProcessorStateFn KeRestoreExtendedProcessorStatePtr = NULL;
@@ -710,6 +747,8 @@ NTSTATUS ProcessVolumeDeviceControlIrp (PDEVICE_OBJECT DeviceObject, PEXTENSION
case IOCTL_DISK_GET_MEDIA_TYPES:
case IOCTL_DISK_GET_DRIVE_GEOMETRY:
case IOCTL_STORAGE_GET_MEDIA_TYPES:
case IOCTL_DISK_UPDATE_DRIVE_SIZE:
Dump ("ProcessVolumeDeviceControlIrp (IOCTL_DISK_GET_DRIVE_GEOMETRY)\n");
/* Return the drive geometry for the disk. Note that we
return values which were made up to suit the disk size. */
@@ -774,25 +813,6 @@ NTSTATUS ProcessVolumeDeviceControlIrp (PDEVICE_OBJECT DeviceObject, PEXTENSION
}
break;
case IOCTL_STORAGE_GET_MEDIA_TYPES:
Dump ("ProcessVolumeDeviceControlIrp (IOCTL_STORAGE_GET_MEDIA_TYPES)\n");
/* Return the drive geometry for the disk. Note that we
return values which were made up to suit the disk size. */
if (ValidateIOBufferSize (Irp, sizeof (DISK_GEOMETRY), ValidateOutput))
{
PDISK_GEOMETRY outputBuffer = (PDISK_GEOMETRY)
Irp->AssociatedIrp.SystemBuffer;
outputBuffer->MediaType = Extension->bRemovable ? RemovableMedia : FixedMedia;
outputBuffer->Cylinders.QuadPart = Extension->NumberOfCylinders;
outputBuffer->TracksPerCylinder = Extension->TracksPerCylinder;
outputBuffer->SectorsPerTrack = Extension->SectorsPerTrack;
outputBuffer->BytesPerSector = Extension->BytesPerSector;
Irp->IoStatus.Status = STATUS_SUCCESS;
Irp->IoStatus.Information = sizeof (DISK_GEOMETRY);
}
break;
case IOCTL_STORAGE_GET_MEDIA_TYPES_EX:
Dump ("ProcessVolumeDeviceControlIrp (IOCTL_STORAGE_GET_MEDIA_TYPES_EX)\n");
if (ValidateIOBufferSize (Irp, sizeof (GET_MEDIA_TYPES), ValidateOutput))
@@ -839,19 +859,40 @@ NTSTATUS ProcessVolumeDeviceControlIrp (PDEVICE_OBJECT DeviceObject, PEXTENSION
Dump ("ProcessVolumeDeviceControlIrp (IOCTL_STORAGE_QUERY_PROPERTY)\n");
Irp->IoStatus.Status = STATUS_INVALID_DEVICE_REQUEST;
Irp->IoStatus.Information = 0;
if (EnableExtendedIoctlSupport)
if (EnableExtendedIoctlSupport || Extension->TrimEnabled)
{
if (ValidateIOBufferSize (Irp, sizeof (STORAGE_PROPERTY_QUERY), ValidateInput))
{
PSTORAGE_PROPERTY_QUERY pStoragePropQuery = (PSTORAGE_PROPERTY_QUERY) Irp->AssociatedIrp.SystemBuffer;
STORAGE_QUERY_TYPE type = pStoragePropQuery->QueryType;
Dump ("IOCTL_STORAGE_QUERY_PROPERTY - PropertyId = %d, type = %d\n", pStoragePropQuery->PropertyId, type);
Dump ("IOCTL_STORAGE_QUERY_PROPERTY - PropertyId = %d, type = %d, InputBufferLength = %d, OutputBufferLength = %d\n", pStoragePropQuery->PropertyId, type, (int) irpSp->Parameters.DeviceIoControl.InputBufferLength, (int) irpSp->Parameters.DeviceIoControl.OutputBufferLength);
/* return error if an unsupported type is encountered */
Irp->IoStatus.Status = STATUS_NOT_SUPPORTED;
if ( (pStoragePropQuery->PropertyId == StorageAccessAlignmentProperty)
if (Extension->bRawDevice &&
(pStoragePropQuery->PropertyId == (STORAGE_PROPERTY_ID) StorageDeviceLBProvisioningProperty)
)
{
IO_STATUS_BLOCK IoStatus;
Dump ("ProcessVolumeDeviceControlIrp: sending IOCTL_STORAGE_QUERY_PROPERTY (%d) to device\n", (int) pStoragePropQuery->PropertyId);
Irp->IoStatus.Status = ZwDeviceIoControlFile (
Extension->hDeviceFile,
NULL,
NULL,
NULL,
&IoStatus,
IOCTL_STORAGE_QUERY_PROPERTY,
Irp->AssociatedIrp.SystemBuffer,
irpSp->Parameters.DeviceIoControl.InputBufferLength,
Irp->AssociatedIrp.SystemBuffer,
irpSp->Parameters.DeviceIoControl.OutputBufferLength);
Dump ("ProcessVolumeDeviceControlIrp: ZwDeviceIoControlFile returned 0x%.8X\n", (DWORD) Irp->IoStatus.Status);
if (Irp->IoStatus.Status == STATUS_SUCCESS)
{
Irp->IoStatus.Status = IoStatus.Status;
Irp->IoStatus.Information = IoStatus.Information;
}
}
else if ( (pStoragePropQuery->PropertyId == StorageAccessAlignmentProperty)
|| (pStoragePropQuery->PropertyId == StorageDeviceProperty)
|| (pStoragePropQuery->PropertyId == StorageAdapterProperty)
|| (pStoragePropQuery->PropertyId == StorageDeviceSeekPenaltyProperty)
@@ -865,12 +906,14 @@ NTSTATUS ProcessVolumeDeviceControlIrp (PDEVICE_OBJECT DeviceObject, PEXTENSION
}
else if (type == PropertyStandardQuery)
{
ULONG descriptorSize;
switch (pStoragePropQuery->PropertyId)
{
case StorageDeviceProperty:
{
Dump ("IOCTL_STORAGE_QUERY_PROPERTY - StorageDeviceProperty\n");
/* Add 0x00 for NULL terminating string used as ProductId, ProductRevision, SerialNumber, VendorId */
ULONG descriptorSize = sizeof (STORAGE_DEVICE_DESCRIPTOR) + 1;
descriptorSize = sizeof (STORAGE_DEVICE_DESCRIPTOR) + 1;
if (ValidateIOBufferSize (Irp, descriptorSize, ValidateOutput))
{
PSTORAGE_DEVICE_DESCRIPTOR outputBuffer = (PSTORAGE_DEVICE_DESCRIPTOR) Irp->AssociatedIrp.SystemBuffer;
@@ -899,7 +942,8 @@ NTSTATUS ProcessVolumeDeviceControlIrp (PDEVICE_OBJECT DeviceObject, PEXTENSION
break;
case StorageAdapterProperty:
{
ULONG descriptorSize = sizeof (STORAGE_ADAPTER_DESCRIPTOR);
Dump ("IOCTL_STORAGE_QUERY_PROPERTY - StorageAdapterProperty\n");
descriptorSize = sizeof (STORAGE_ADAPTER_DESCRIPTOR);
if (ValidateIOBufferSize (Irp, descriptorSize, ValidateOutput))
{
PSTORAGE_ADAPTER_DESCRIPTOR outputBuffer = (PSTORAGE_ADAPTER_DESCRIPTOR) Irp->AssociatedIrp.SystemBuffer;
@@ -925,6 +969,7 @@ NTSTATUS ProcessVolumeDeviceControlIrp (PDEVICE_OBJECT DeviceObject, PEXTENSION
break;
case StorageAccessAlignmentProperty:
{
Dump ("IOCTL_STORAGE_QUERY_PROPERTY - StorageAccessAlignmentProperty\n");
if (ValidateIOBufferSize (Irp, sizeof (STORAGE_ACCESS_ALIGNMENT_DESCRIPTOR), ValidateOutput))
{
PSTORAGE_ACCESS_ALIGNMENT_DESCRIPTOR outputBuffer = (PSTORAGE_ACCESS_ALIGNMENT_DESCRIPTOR) Irp->AssociatedIrp.SystemBuffer;
@@ -948,13 +993,14 @@ NTSTATUS ProcessVolumeDeviceControlIrp (PDEVICE_OBJECT DeviceObject, PEXTENSION
break;
case StorageDeviceSeekPenaltyProperty:
{
Dump ("IOCTL_STORAGE_QUERY_PROPERTY - StorageDeviceSeekPenaltyProperty\n");
if (ValidateIOBufferSize (Irp, sizeof (DEVICE_SEEK_PENALTY_DESCRIPTOR), ValidateOutput))
{
PDEVICE_SEEK_PENALTY_DESCRIPTOR outputBuffer = (PDEVICE_SEEK_PENALTY_DESCRIPTOR) Irp->AssociatedIrp.SystemBuffer;
Dump ("IOCTL_STORAGE_QUERY_PROPERTY - StorageDeviceSeekPenaltyProperty: set IncursSeekPenalty to %s\n", Extension->IncursSeekPenalty? "TRUE" : "FALSE");
outputBuffer->Version = sizeof(DEVICE_SEEK_PENALTY_DESCRIPTOR);
outputBuffer->Size = sizeof(DEVICE_SEEK_PENALTY_DESCRIPTOR);
outputBuffer->IncursSeekPenalty = TRUE; //TODO: in case of SSD drive, we should probably return FALSE
outputBuffer->IncursSeekPenalty = (BOOLEAN) Extension->IncursSeekPenalty;
Irp->IoStatus.Status = STATUS_SUCCESS;
Irp->IoStatus.Information = sizeof (DEVICE_SEEK_PENALTY_DESCRIPTOR);
}
@@ -970,13 +1016,14 @@ NTSTATUS ProcessVolumeDeviceControlIrp (PDEVICE_OBJECT DeviceObject, PEXTENSION
break;
case StorageDeviceTrimProperty:
{
Dump ("IOCTL_STORAGE_QUERY_PROPERTY - StorageDeviceTrimProperty\n");
if (ValidateIOBufferSize (Irp, sizeof (DEVICE_TRIM_DESCRIPTOR), ValidateOutput))
{
PDEVICE_TRIM_DESCRIPTOR outputBuffer = (PDEVICE_TRIM_DESCRIPTOR) Irp->AssociatedIrp.SystemBuffer;
Dump ("IOCTL_STORAGE_QUERY_PROPERTY - StorageDeviceTrimProperty: set TrimEnabled to %s\n", Extension->TrimEnabled? "TRUE" : "FALSE");
outputBuffer->Version = sizeof(DEVICE_TRIM_DESCRIPTOR);
outputBuffer->Size = sizeof(DEVICE_TRIM_DESCRIPTOR);
outputBuffer->TrimEnabled = FALSE; /* TODO: implement Trim support for SSD drives */
outputBuffer->TrimEnabled = (BOOLEAN) Extension->TrimEnabled;
Irp->IoStatus.Status = STATUS_SUCCESS;
Irp->IoStatus.Information = sizeof (DEVICE_TRIM_DESCRIPTOR);
}
@@ -1361,6 +1408,21 @@ NTSTATUS ProcessVolumeDeviceControlIrp (PDEVICE_OBJECT DeviceObject, PEXTENSION
break;
case IOCTL_DISK_UPDATE_PROPERTIES:
Dump ("ProcessVolumeDeviceControlIrp: returning STATUS_SUCCESS for IOCTL_DISK_UPDATE_PROPERTIES\n");
Irp->IoStatus.Status = STATUS_SUCCESS;
Irp->IoStatus.Information = 0;
break;
case IOCTL_DISK_MEDIA_REMOVAL:
case IOCTL_STORAGE_MEDIA_REMOVAL:
Dump ("ProcessVolumeDeviceControlIrp: returning STATUS_SUCCESS for %ls\n", TCTranslateCode (irpSp->Parameters.DeviceIoControl.IoControlCode));
Irp->IoStatus.Status = STATUS_SUCCESS;
Irp->IoStatus.Information = 0;
break;
case IOCTL_DISK_GET_CLUSTER_INFO:
Dump ("ProcessVolumeDeviceControlIrp: returning STATUS_NOT_SUPPORTED for %ls\n", TCTranslateCode (irpSp->Parameters.DeviceIoControl.IoControlCode));
Irp->IoStatus.Status = STATUS_INVALID_DEVICE_REQUEST;
@@ -1371,12 +1433,203 @@ NTSTATUS ProcessVolumeDeviceControlIrp (PDEVICE_OBJECT DeviceObject, PEXTENSION
Irp->IoStatus.Information = 0;
}
break;
case IOCTL_STORAGE_MANAGE_DATA_SET_ATTRIBUTES:
Dump ("ProcessVolumeDeviceControlIrp: IOCTL_STORAGE_MANAGE_DATA_SET_ATTRIBUTES\n");
Irp->IoStatus.Status = STATUS_INVALID_DEVICE_REQUEST;
Irp->IoStatus.Information = 0;
if (Extension->bRawDevice && Extension->TrimEnabled)
{
if (ValidateIOBufferSize (Irp, sizeof (DEVICE_MANAGE_DATA_SET_ATTRIBUTES), ValidateInput))
{
PIO_STACK_LOCATION irpSp = IoGetCurrentIrpStackLocation (Irp);
DWORD inputLength = irpSp->Parameters.DeviceIoControl.InputBufferLength;
PDEVICE_MANAGE_DATA_SET_ATTRIBUTES pInputAttrs = (PDEVICE_MANAGE_DATA_SET_ATTRIBUTES) Irp->AssociatedIrp.SystemBuffer;
DEVICE_DATA_MANAGEMENT_SET_ACTION action = pInputAttrs->Action;
BOOL bEntireSet = pInputAttrs->Flags & DEVICE_DSM_FLAG_ENTIRE_DATA_SET_RANGE? TRUE : FALSE;
ULONGLONG minSizedataSet = (ULONGLONG) pInputAttrs->DataSetRangesOffset + (ULONGLONG) pInputAttrs->DataSetRangesLength;
ULONGLONG minSizeParameter = (ULONGLONG) pInputAttrs->ParameterBlockOffset + (ULONGLONG) pInputAttrs->ParameterBlockLength;
ULONGLONG minSizeGeneric = sizeof(DEVICE_MANAGE_DATA_SET_ATTRIBUTES) + (ULONGLONG) pInputAttrs->ParameterBlockLength + (ULONGLONG) pInputAttrs->DataSetRangesLength;
PDEVICE_MANAGE_DATA_SET_ATTRIBUTES pNewSetAttrs = NULL;
ULONG ulNewInputLength = 0;
BOOL bForwardIoctl = FALSE;
if (inputLength >= minSizeGeneric && inputLength >= minSizedataSet && inputLength >= minSizeParameter)
{
if (bEntireSet)
{
if (minSizedataSet)
{
Dump ("ProcessVolumeDeviceControlIrp: IOCTL_STORAGE_MANAGE_DATA_SET_ATTRIBUTES - DEVICE_DSM_FLAG_ENTIRE_DATA_SET_RANGE set but data set range specified=> Error.\n");
Irp->IoStatus.Status = STATUS_INVALID_PARAMETER;
Irp->IoStatus.Information = 0;
}
else
{
DWORD dwDataSetOffset = ALIGN_VALUE (inputLength, sizeof(DEVICE_DATA_SET_RANGE));
DWORD dwDataSetLength = sizeof(DEVICE_DATA_SET_RANGE);
Dump ("ProcessVolumeDeviceControlIrp: IOCTL_STORAGE_MANAGE_DATA_SET_ATTRIBUTES - DEVICE_DSM_FLAG_ENTIRE_DATA_SET_RANGE set. Setting data range to all volume.\n");
ulNewInputLength = dwDataSetOffset + dwDataSetLength;
pNewSetAttrs = (PDEVICE_MANAGE_DATA_SET_ATTRIBUTES) TCalloc (ulNewInputLength);
if (pNewSetAttrs)
{
PDEVICE_DATA_SET_RANGE pRange = (PDEVICE_DATA_SET_RANGE) (((unsigned char*) pNewSetAttrs) + dwDataSetOffset);
memcpy (pNewSetAttrs, pInputAttrs, inputLength);
pRange->StartingOffset = (ULONGLONG) Extension->cryptoInfo->hiddenVolume ? Extension->cryptoInfo->hiddenVolumeOffset : Extension->cryptoInfo->volDataAreaOffset;
pRange->LengthInBytes = Extension->DiskLength;
pNewSetAttrs->Size = sizeof(DEVICE_MANAGE_DATA_SET_ATTRIBUTES);
pNewSetAttrs->Action = action;
pNewSetAttrs->Flags = pInputAttrs->Flags & (~DEVICE_DSM_FLAG_ENTIRE_DATA_SET_RANGE);
pNewSetAttrs->ParameterBlockOffset = pInputAttrs->ParameterBlockOffset;
pNewSetAttrs->ParameterBlockLength = pInputAttrs->ParameterBlockLength;
pNewSetAttrs->DataSetRangesOffset = dwDataSetOffset;
pNewSetAttrs->DataSetRangesLength = dwDataSetLength;
bForwardIoctl = TRUE;
}
else
{
Dump ("ProcessVolumeDeviceControlIrp: IOCTL_STORAGE_MANAGE_DATA_SET_ATTRIBUTES - Failed to allocate memory.\n");
Irp->IoStatus.Status = STATUS_INSUFFICIENT_RESOURCES;
Irp->IoStatus.Information = 0;
}
}
}
else
{
Dump ("ProcessVolumeDeviceControlIrp: IOCTL_STORAGE_MANAGE_DATA_SET_ATTRIBUTES - creating new data set range from input range.\n");
ulNewInputLength = inputLength;
pNewSetAttrs = (PDEVICE_MANAGE_DATA_SET_ATTRIBUTES) TCalloc (inputLength);
if (pNewSetAttrs)
{
PDEVICE_DATA_SET_RANGE pNewRanges = (PDEVICE_DATA_SET_RANGE) (((unsigned char*) pNewSetAttrs) + pInputAttrs->DataSetRangesOffset);
PDEVICE_DATA_SET_RANGE pInputRanges = (PDEVICE_DATA_SET_RANGE) (((unsigned char*) pInputAttrs) + pInputAttrs->DataSetRangesOffset);
DWORD dwInputRangesCount = 0, dwNewRangesCount = 0, i;
ULONGLONG ullStartingOffset, ullNewOffset, ullEndOffset;
HRESULT hResult;
memcpy (pNewSetAttrs, pInputAttrs, inputLength);
dwInputRangesCount = pInputAttrs->DataSetRangesLength / sizeof(DEVICE_DATA_SET_RANGE);
for (i = 0; i < dwInputRangesCount; i++)
{
ullStartingOffset = (ULONGLONG) pInputRanges[i].StartingOffset;
hResult = ULongLongAdd(ullStartingOffset,
(ULONGLONG) Extension->cryptoInfo->hiddenVolume ? Extension->cryptoInfo->hiddenVolumeOffset : Extension->cryptoInfo->volDataAreaOffset,
&ullNewOffset);
if (hResult != S_OK)
continue;
else if (S_OK != ULongLongAdd(ullStartingOffset, (ULONGLONG) pInputRanges[i].LengthInBytes, &ullEndOffset))
continue;
else if (ullEndOffset > (ULONGLONG) Extension->DiskLength)
continue;
else if (ullNewOffset > 0)
{
pNewRanges[dwNewRangesCount].StartingOffset = (LONGLONG) ullNewOffset;
pNewRanges[dwNewRangesCount].LengthInBytes = pInputRanges[i].LengthInBytes;
dwNewRangesCount++;
}
}
Dump ("ProcessVolumeDeviceControlIrp: IOCTL_STORAGE_MANAGE_DATA_SET_ATTRIBUTES - %d valid range processed from %d range in input.\n", (int) dwNewRangesCount, (int) dwInputRangesCount);
pNewSetAttrs->DataSetRangesLength = dwNewRangesCount * sizeof (DEVICE_DATA_SET_RANGE);
bForwardIoctl = TRUE;
}
else
{
Dump ("ProcessVolumeDeviceControlIrp: IOCTL_STORAGE_MANAGE_DATA_SET_ATTRIBUTES - Failed to allocate memory.\n");
Irp->IoStatus.Status = STATUS_INSUFFICIENT_RESOURCES;
Irp->IoStatus.Information = 0;
}
}
}
else
{
Dump ("ProcessVolumeDeviceControlIrp: IOCTL_STORAGE_MANAGE_DATA_SET_ATTRIBUTES - buffer containing DEVICE_MANAGE_DATA_SET_ATTRIBUTES has invalid length.\n");
Irp->IoStatus.Status = STATUS_INVALID_PARAMETER;
Irp->IoStatus.Information = 0;
}
if (bForwardIoctl)
{
if (action == DeviceDsmAction_Trim)
{
Dump ("ProcessVolumeDeviceControlIrp: IOCTL_STORAGE_MANAGE_DATA_SET_ATTRIBUTES - DeviceDsmAction_Trim.\n");
if (Extension->cryptoInfo->hiddenVolume || !AllowTrimCommand)
{
Dump ("ProcessVolumeDeviceControlIrp: TRIM command filtered\n");
Irp->IoStatus.Status = STATUS_SUCCESS;
Irp->IoStatus.Information = 0;
}
else
{
IO_STATUS_BLOCK IoStatus;
Dump ("ProcessVolumeDeviceControlIrp: sending TRIM to device\n");
Irp->IoStatus.Status = ZwDeviceIoControlFile (
Extension->hDeviceFile,
NULL,
NULL,
NULL,
&IoStatus,
IOCTL_STORAGE_MANAGE_DATA_SET_ATTRIBUTES,
(PVOID) pNewSetAttrs,
ulNewInputLength,
NULL,
0);
Dump ("ProcessVolumeDeviceControlIrp: ZwDeviceIoControlFile returned 0x%.8X\n", (DWORD) Irp->IoStatus.Status);
if (Irp->IoStatus.Status == STATUS_SUCCESS)
{
Irp->IoStatus.Status = IoStatus.Status;
Irp->IoStatus.Information = IoStatus.Information;
}
else
Irp->IoStatus.Information = 0;
}
}
else
{
switch (action)
{
case DeviceDsmAction_Notification: Dump ("ProcessVolumeDeviceControlIrp: IOCTL_STORAGE_MANAGE_DATA_SET_ATTRIBUTES - DeviceDsmAction_Notification\n"); break;
case DeviceDsmAction_OffloadRead: Dump ("ProcessVolumeDeviceControlIrp: IOCTL_STORAGE_MANAGE_DATA_SET_ATTRIBUTES - DeviceDsmAction_OffloadRead\n"); break;
case DeviceDsmAction_OffloadWrite: Dump ("ProcessVolumeDeviceControlIrp: IOCTL_STORAGE_MANAGE_DATA_SET_ATTRIBUTES - DeviceDsmAction_OffloadWrite\n"); break;
case DeviceDsmAction_Allocation: Dump ("ProcessVolumeDeviceControlIrp: IOCTL_STORAGE_MANAGE_DATA_SET_ATTRIBUTES - DeviceDsmAction_Allocation\n"); break;
case DeviceDsmAction_Scrub: Dump ("ProcessVolumeDeviceControlIrp: IOCTL_STORAGE_MANAGE_DATA_SET_ATTRIBUTES - DeviceDsmAction_Scrub\n"); break;
case DeviceDsmAction_DrtQuery: Dump ("ProcessVolumeDeviceControlIrp: IOCTL_STORAGE_MANAGE_DATA_SET_ATTRIBUTES - DeviceDsmAction_DrtQuery\n"); break;
case DeviceDsmAction_DrtClear: Dump ("ProcessVolumeDeviceControlIrp: IOCTL_STORAGE_MANAGE_DATA_SET_ATTRIBUTES - DeviceDsmAction_DrtClear\n"); break;
case DeviceDsmAction_DrtDisable: Dump ("ProcessVolumeDeviceControlIrp: IOCTL_STORAGE_MANAGE_DATA_SET_ATTRIBUTES - DeviceDsmAction_DrtDisable\n"); break;
default: Dump ("ProcessVolumeDeviceControlIrp: IOCTL_STORAGE_MANAGE_DATA_SET_ATTRIBUTES - unknown action %d\n", (int) action); break;
}
}
}
if (pNewSetAttrs)
TCfree (pNewSetAttrs);
}
}
#if defined (DEBUG) || defined (DEBUG_TRACE)
else
Dump ("ProcessVolumeDeviceControlIrp: returning STATUS_INVALID_DEVICE_REQUEST for IOCTL_STORAGE_MANAGE_DATA_SET_ATTRIBUTES\n");
#endif
break;
case IOCTL_STORAGE_CHECK_PRIORITY_HINT_SUPPORT:
case IOCTL_DISK_MEDIA_REMOVAL:
case IOCTL_VOLUME_QUERY_ALLOCATION_HINT:
case FT_BALANCED_READ_MODE:
case IOCTL_STORAGE_GET_DEVICE_NUMBER:
case IOCTL_MOUNTDEV_LINK_CREATED:
Dump ("ProcessVolumeDeviceControlIrp: returning STATUS_INVALID_DEVICE_REQUEST for %ls\n", TCTranslateCode (irpSp->Parameters.DeviceIoControl.IoControlCode));
Irp->IoStatus.Status = STATUS_INVALID_DEVICE_REQUEST;
Irp->IoStatus.Information = 0;
@@ -2772,6 +3025,8 @@ LPWSTR TCTranslateCode (ULONG ulCode)
return (LPWSTR) _T ("IOCTL_DISK_GET_MEDIA_TYPES");
else if (ulCode == IOCTL_DISK_IS_CLUSTERED)
return (LPWSTR) _T ("IOCTL_DISK_IS_CLUSTERED");
else if (ulCode == IOCTL_DISK_UPDATE_DRIVE_SIZE)
return (LPWSTR) _T ("IOCTL_DISK_UPDATE_DRIVE_SIZE");
else if (ulCode == IOCTL_STORAGE_GET_MEDIA_TYPES)
return (LPWSTR) _T ("IOCTL_STORAGE_GET_MEDIA_TYPES");
else if (ulCode == IOCTL_STORAGE_GET_HOTPLUG_INFO)
@@ -2798,6 +3053,8 @@ LPWSTR TCTranslateCode (ULONG ulCode)
return (LPWSTR) _T ("IOCTL_VOLUME_POST_ONLINE");
else if (ulCode == IOCTL_STORAGE_CHECK_PRIORITY_HINT_SUPPORT)
return (LPWSTR) _T ("IOCTL_STORAGE_CHECK_PRIORITY_HINT_SUPPORT");
else if (ulCode == IOCTL_STORAGE_MANAGE_DATA_SET_ATTRIBUTES)
return (LPWSTR) _T ("IOCTL_STORAGE_MANAGE_DATA_SET_ATTRIBUTES");
else if (ulCode == IRP_MJ_READ)
return (LPWSTR) _T ("IRP_MJ_READ");
else if (ulCode == IRP_MJ_WRITE)
@@ -3968,6 +4225,7 @@ NTSTATUS ReadRegistryConfigFlags (BOOL driverEntry)
EnableHwEncryption ((flags & TC_DRIVER_CONFIG_DISABLE_HARDWARE_ENCRYPTION) ? FALSE : TRUE);
EnableExtendedIoctlSupport = (flags & TC_DRIVER_CONFIG_ENABLE_EXTENDED_IOCTL)? TRUE : FALSE;
AllowTrimCommand = (flags & VC_DRIVER_CONFIG_ALLOW_NONSYS_TRIM)? TRUE : FALSE;
}
else
status = STATUS_INVALID_PARAMETER;

3
src/Driver/Ntdriver.h
View File

@@ -67,6 +67,9 @@ typedef struct EXTENSION
ULONG HostMaximumPhysicalPages;
ULONG HostAlignmentMask;
BOOL IncursSeekPenalty;
BOOL TrimEnabled;
KEVENT keVolumeEvent; /* Event structure used when setting up a device */
EncryptedIoQueue Queue;

28
src/Driver/Ntvol.c
View File

@@ -68,6 +68,10 @@ NTSTATUS TCOpenVolume (PDEVICE_OBJECT DeviceObject,
Extension->HostMaximumPhysicalPages = 17;
Extension->HostAlignmentMask = 0;
/* default values for non-SSD drives */
Extension->IncursSeekPenalty = TRUE;
Extension->TrimEnabled = FALSE;
RtlInitUnicodeString (&FullFileName, pwszMountVolume);
InitializeObjectAttributes (&oaFileAttributes, &FullFileName, OBJ_CASE_INSENSITIVE | (forceAccessCheck ? OBJ_FORCE_ACCESS_CHECK : 0) | OBJ_KERNEL_HANDLE, NULL, NULL);
KeInitializeEvent (&Extension->keVolumeEvent, NotificationEvent, FALSE);
@@ -152,6 +156,8 @@ NTSTATUS TCOpenVolume (PDEVICE_OBJECT DeviceObject,
{
STORAGE_ACCESS_ALIGNMENT_DESCRIPTOR alignmentDesc = {0};
STORAGE_ADAPTER_DESCRIPTOR adapterDesc = {0};
DEVICE_SEEK_PENALTY_DESCRIPTOR penaltyDesc = {0};
DEVICE_TRIM_DESCRIPTOR trimDesc = {0};
storagePropertyQuery.PropertyId = StorageAccessAlignmentProperty;
storagePropertyQuery.QueryType = PropertyStandardQuery;
@@ -178,6 +184,28 @@ NTSTATUS TCOpenVolume (PDEVICE_OBJECT DeviceObject,
Extension->HostMaximumPhysicalPages = adapterDesc.MaximumPhysicalPages;
Extension->HostAlignmentMask = adapterDesc.AlignmentMask;
}
storagePropertyQuery.PropertyId = StorageDeviceSeekPenaltyProperty;
penaltyDesc.Version = sizeof (DEVICE_SEEK_PENALTY_DESCRIPTOR);
penaltyDesc.Size = sizeof (DEVICE_SEEK_PENALTY_DESCRIPTOR);
if (NT_SUCCESS (TCSendHostDeviceIoControlRequestEx (DeviceObject, Extension, IOCTL_STORAGE_QUERY_PROPERTY,
(char*) &storagePropertyQuery, sizeof(storagePropertyQuery),
(char *) &penaltyDesc, sizeof (penaltyDesc))))
{
Extension->IncursSeekPenalty = penaltyDesc.IncursSeekPenalty;
}
storagePropertyQuery.PropertyId = StorageDeviceTrimProperty;
trimDesc.Version = sizeof (DEVICE_TRIM_DESCRIPTOR);
trimDesc.Size = sizeof (DEVICE_TRIM_DESCRIPTOR);
if (NT_SUCCESS (TCSendHostDeviceIoControlRequestEx (DeviceObject, Extension, IOCTL_STORAGE_QUERY_PROPERTY,
(char*) &storagePropertyQuery, sizeof(storagePropertyQuery),
(char *) &trimDesc, sizeof (trimDesc))))
{
Extension->TrimEnabled = trimDesc.TrimEnabled;
}
}
// Drive geometry is used only when IOCTL_DISK_GET_PARTITION_INFO fails

3
src/Mount/Mount.c
View File

@@ -10687,6 +10687,7 @@ static BOOL CALLBACK PerformanceSettingsDlgProc (HWND hwndDlg, UINT msg, WPARAM
uint32 driverConfig = ReadDriverConfigurationFlags();
CheckDlgButton (hwndDlg, IDC_ENABLE_HARDWARE_ENCRYPTION, (driverConfig & TC_DRIVER_CONFIG_DISABLE_HARDWARE_ENCRYPTION) ? BST_UNCHECKED : BST_CHECKED);
CheckDlgButton (hwndDlg, IDC_ENABLE_EXTENDED_IOCTL_SUPPORT, (driverConfig & TC_DRIVER_CONFIG_ENABLE_EXTENDED_IOCTL) ? BST_CHECKED : BST_UNCHECKED);
CheckDlgButton (hwndDlg, IDC_ALLOW_TRIM_NONSYS_SSD, (driverConfig & VC_DRIVER_CONFIG_ALLOW_NONSYS_TRIM) ? BST_CHECKED : BST_UNCHECKED);
SYSTEM_INFO sysInfo;
GetSystemInfo (&sysInfo);
@@ -10744,6 +10745,7 @@ static BOOL CALLBACK PerformanceSettingsDlgProc (HWND hwndDlg, UINT msg, WPARAM
BOOL disableHW = !IsDlgButtonChecked (hwndDlg, IDC_ENABLE_HARDWARE_ENCRYPTION);
BOOL enableExtendedIOCTL = IsDlgButtonChecked (hwndDlg, IDC_ENABLE_EXTENDED_IOCTL_SUPPORT);
BOOL allowTrimCommand = IsDlgButtonChecked (hwndDlg, IDC_ALLOW_TRIM_NONSYS_SSD);
try
{
@@ -10780,6 +10782,7 @@ static BOOL CALLBACK PerformanceSettingsDlgProc (HWND hwndDlg, UINT msg, WPARAM
SetDriverConfigurationFlag (TC_DRIVER_CONFIG_DISABLE_HARDWARE_ENCRYPTION, disableHW);
SetDriverConfigurationFlag (TC_DRIVER_CONFIG_ENABLE_EXTENDED_IOCTL, enableExtendedIOCTL);
SetDriverConfigurationFlag (VC_DRIVER_CONFIG_ALLOW_NONSYS_TRIM, allowTrimCommand);
DWORD bytesReturned;
if (!DeviceIoControl (hDriver, TC_IOCTL_REREAD_DRIVER_CONFIG, NULL, 0, NULL, 0, &bytesReturned, NULL))

22
src/Mount/Mount.rc
View File

@@ -307,7 +307,7 @@ BEGIN
GROUPBOX "Advanced Options",IDT_ADVANCED_OPTIONS,7,99,355,36
END
IDD_PERFORMANCE_SETTINGS DIALOGEX 0, 0, 370, 248
IDD_PERFORMANCE_SETTINGS DIALOGEX 0, 0, 371, 253
STYLE DS_SETFONT | DS_MODALFRAME | DS_FIXEDSYS | DS_CENTER | WS_POPUP | WS_CAPTION | WS_SYSMENU
CAPTION "VeraCrypt - Performance Options"
FONT 8, "MS Shell Dlg", 400, 0, 0x1
@@ -319,17 +319,19 @@ BEGIN
CONTROL "Do not use the following number of processors for encryption/decryption:",IDC_LIMIT_ENC_THREAD_POOL,
"Button",BS_AUTOCHECKBOX | BS_TOP | WS_TABSTOP,18,103,283,11
COMBOBOX IDC_ENCRYPTION_FREE_CPU_COUNT,304,101,48,51,CBS_DROPDOWNLIST | WS_VSCROLL | WS_TABSTOP
LTEXT "",IDT_LIMIT_ENC_THREAD_POOL_NOTE,18,126,334,33
LTEXT "More information",IDC_MORE_INFO_ON_THREAD_BASED_PARALLELIZATION,18,159,165,10,SS_NOTIFY
PUSHBUTTON "&Benchmark",IDC_BENCHMARK,7,227,59,14
DEFPUSHBUTTON "OK",IDOK,257,227,50,14
PUSHBUTTON "Cancel",IDCANCEL,313,227,50,14
CONTROL "Enable extended disk control codes support",IDC_ENABLE_EXTENDED_IOCTL_SUPPORT,
"Button",BS_AUTOCHECKBOX | WS_TABSTOP,18,198,337,10
CONTROL "Allow TRIM operation for non-system SSD partition/drive",IDC_ALLOW_TRIM_NONSYS_SSD,
"Button",BS_AUTOCHECKBOX | WS_TABSTOP,18,212,337,10
PUSHBUTTON "&Benchmark",IDC_BENCHMARK,7,232,59,14
DEFPUSHBUTTON "OK",IDOK,257,232,50,14
PUSHBUTTON "Cancel",IDCANCEL,314,232,50,14
LTEXT "Processor (CPU) in this computer supports hardware acceleration for AES:",IDT_HW_AES_SUPPORTED_BY_CPU,18,23,273,9
GROUPBOX "Hardware Acceleration",IDT_ACCELERATION_OPTIONS,7,6,355,74
GROUPBOX "Thread-Based Parallelization",IDT_PARALLELIZATION_OPTIONS,7,84,355,93
LTEXT "",IDT_LIMIT_ENC_THREAD_POOL_NOTE,18,126,334,33
GROUPBOX "Driver Configuration",IDT_DRIVER_OPTIONS,7,183,356,36
CONTROL "Enable extended disk control codes support",IDC_ENABLE_EXTENDED_IOCTL_SUPPORT,
"Button",BS_AUTOCHECKBOX | WS_TABSTOP,18,198,337,10
GROUPBOX "Driver Configuration",IDT_DRIVER_OPTIONS,7,183,357,44
END
IDD_FAVORITE_VOLUMES DIALOGEX 0, 0, 380, 368
@@ -492,9 +494,9 @@ BEGIN
IDD_PERFORMANCE_SETTINGS, DIALOG
BEGIN
LEFTMARGIN, 7
RIGHTMARGIN, 363
RIGHTMARGIN, 364
TOPMARGIN, 7
BOTTOMMARGIN, 241
BOTTOMMARGIN, 246
END
IDD_FAVORITE_VOLUMES, DIALOG

3
src/Mount/Resource.h
View File

@@ -187,6 +187,7 @@
#define IDC_SHOW_PLATFORMINFO 1164
#define IDC_EDIT_DCSPROP 1165
#define IDT_ADVANCED_OPTIONS 1166
#define IDC_ALLOW_TRIM_NONSYS_SSD 1167
#define IDM_HELP 40001
#define IDM_ABOUT 40002
#define IDM_UNMOUNT_VOLUME 40003
@@ -263,7 +264,7 @@
#define _APS_NO_MFC 1
#define _APS_NEXT_RESOURCE_VALUE 120
#define _APS_NEXT_COMMAND_VALUE 40069
#define _APS_NEXT_CONTROL_VALUE 1167
#define _APS_NEXT_CONTROL_VALUE 1168
#define _APS_NEXT_SYMED_VALUE 101
#endif
#endif