diff options
Diffstat (limited to 'storage/ramdisk/src')
| -rw-r--r-- | storage/ramdisk/src/WdfRamdisk.vcxproj | 153 | ||||
| -rw-r--r-- | storage/ramdisk/src/WdfRamdisk.vcxproj.Filters | 34 | ||||
| -rw-r--r-- | storage/ramdisk/src/forward_progress.c | 347 | ||||
| -rw-r--r-- | storage/ramdisk/src/forward_progress.h | 52 | ||||
| -rw-r--r-- | storage/ramdisk/src/ramdisk.c | 898 | ||||
| -rw-r--r-- | storage/ramdisk/src/ramdisk.h | 196 | ||||
| -rw-r--r-- | storage/ramdisk/src/ramdisk.inx | bin | 5378 -> 0 bytes | |||
| -rw-r--r-- | storage/ramdisk/src/ramdisk.rc | 11 |
8 files changed, 0 insertions, 1691 deletions
diff --git a/storage/ramdisk/src/WdfRamdisk.vcxproj b/storage/ramdisk/src/WdfRamdisk.vcxproj deleted file mode 100644 index 70a054f1..00000000 --- a/storage/ramdisk/src/WdfRamdisk.vcxproj +++ /dev/null @@ -1,153 +0,0 @@ -<?xml version="1.0" encoding="utf-8"?> -<Project DefaultTargets="Build" ToolsVersion="12.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003"> - <ItemGroup Label="ProjectConfigurations"> - <ProjectConfiguration Include="Debug|Win32"> - <Configuration>Debug</Configuration> - <Platform>Win32</Platform> - </ProjectConfiguration> - <ProjectConfiguration Include="Release|Win32"> - <Configuration>Release</Configuration> - <Platform>Win32</Platform> - </ProjectConfiguration> - <ProjectConfiguration Include="Debug|x64"> - <Configuration>Debug</Configuration> - <Platform>x64</Platform> - </ProjectConfiguration> - <ProjectConfiguration Include="Release|x64"> - <Configuration>Release</Configuration> - <Platform>x64</Platform> - </ProjectConfiguration> - </ItemGroup> - <PropertyGroup Label="Globals"> - 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\ No newline at end of file diff --git a/storage/ramdisk/src/WdfRamdisk.vcxproj.Filters b/storage/ramdisk/src/WdfRamdisk.vcxproj.Filters deleted file mode 100644 index b5fde5b1..00000000 --- a/storage/ramdisk/src/WdfRamdisk.vcxproj.Filters +++ /dev/null @@ -1,34 +0,0 @@ -<?xml version="1.0" encoding="utf-8"?> -<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003"> - <ItemGroup> - <Filter Include="Source Files"> - <Extensions>cpp;c;cc;cxx;def;odl;idl;hpj;bat;asm;asmx;*</Extensions> - <UniqueIdentifier>{961D42E9-6D94-4E93-8D32-CF1C674B07B6}</UniqueIdentifier> - </Filter> - <Filter Include="Header Files"> - <Extensions>h;hpp;hxx;hm;inl;inc;xsd</Extensions> - <UniqueIdentifier>{D22FB3CB-1355-4386-84BE-230FFB99DCFE}</UniqueIdentifier> - </Filter> - <Filter Include="Resource Files"> - <Extensions>rc;ico;cur;bmp;dlg;rc2;rct;bin;rgs;gif;jpg;jpeg;jpe;resx;tiff;tif;png;wav;mfcribbon-ms;man;xml</Extensions> - <UniqueIdentifier>{28C48AF7-BB6E-4F6A-922D-9BF76BC2AC8A}</UniqueIdentifier> - </Filter> - <Filter Include="Driver Files"> - <Extensions>inf;inv;inx;mof;mc;</Extensions> - <UniqueIdentifier>{576E635F-EBBD-4ECA-8F75-D27C53603644}</UniqueIdentifier> - </Filter> - </ItemGroup> - <ItemGroup> - <ClCompile Include="forward_progress.c"> - <Filter>Source Files</Filter> - </ClCompile> - <ClCompile Include="ramdisk.c"> - <Filter>Source Files</Filter> - </ClCompile> - </ItemGroup> - <ItemGroup> - <ResourceCompile Include="ramdisk.rc"> - <Filter>Resource Files</Filter> - </ResourceCompile> - </ItemGroup> -</Project>
\ No newline at end of file diff --git a/storage/ramdisk/src/forward_progress.c b/storage/ramdisk/src/forward_progress.c deleted file mode 100644 index a7c29c7a..00000000 --- a/storage/ramdisk/src/forward_progress.c +++ /dev/null @@ -1,347 +0,0 @@ - -/*++ - -Copyright (c) 1990-2000 Microsoft Corporation - -Module Name: - - forwardprogress.c - -Abstract: - - Show the forward progress feature - - - ---*/ - -// -// NOTE: Forward progress was added in v1.9 -// - -#if KMDF_VERSION_MINOR >= 9 - -#include "ramdisk.h" - -VOID -EvtForwardProgressRequestDestroy( - WDFOBJECT Request - ) - -/*++ - -Routine Description: - - This event is called when the request memory is about to be freed. - Reserved requests get deleted only when the queue gets deleted. - - -Arguments: - - Request - Handle to a framework request object. - - -Return Value: - - VOID - ---*/ -{ - PFWD_PROGRESS_REQUEST_CONTEXT fwdReqContext; - - fwdReqContext = GetForwardProgressRequestContext(Request); -} - -VOID -EvtForwardProgressRequestCleanup( - WDFOBJECT Request - ) - -/*++ - -Routine Description: - - This event is called when the reserved request is about to be deleted. - NOTE: In case of reserved request this callback doesn't get called after the - I/O is done but only when the request is about to be deleted. - -Arguments: - - Request - Handle to a framework request object. - - -Return Value: - - VOID - ---*/ -{ - PFWD_PROGRESS_REQUEST_CONTEXT reqContext; - - reqContext = GetForwardProgressRequestContext(Request); - - // - // Cleanup any resources allocated earlier for reserved requests here. - // -} - - -NTSTATUS -AllocateAdditionalRequestContext( - _In_ WDFREQUEST Request - ) - -/*++ - -Routine Description: - Allocate resources used by request. - Set the EvtCleanupCallback and EvtDestroyCallback - to show the lifetime of a Reserved request. - -Arguments: - - Request - Handle to a framework request object. - -Return Value: - - - NTSTATUS - ---*/ -{ - WDF_OBJECT_ATTRIBUTES requestContextAttributes; - PFWD_PROGRESS_REQUEST_CONTEXT reqContext; - NTSTATUS status; - - WDF_OBJECT_ATTRIBUTES_INIT_CONTEXT_TYPE(&requestContextAttributes, - FWD_PROGRESS_REQUEST_CONTEXT); - requestContextAttributes.EvtCleanupCallback = EvtForwardProgressRequestCleanup; - requestContextAttributes.EvtDestroyCallback = EvtForwardProgressRequestDestroy; - status = WdfObjectAllocateContext(Request, - &requestContextAttributes, - &reqContext); - - return status; -} - - -WDF_IO_FORWARD_PROGRESS_ACTION -EvtIoWdmIrpForForwardProgress( - _In_ WDFQUEUE Queue, - _In_ PIRP Irp - ) - -/*++ - -Routine Description: - A driver's EvtIoWdmIrpForForwardProgress callback function is used for - examining an IRP and tell the framework whether to use a reserved - request object for the IRP or to fail the I/O request by completing - it with an error status value. - -Arguments: - - Queue - Handle to the framework queue object that is associated with the - I/O request. - - Irp - -Return Value: - - WDF_IO_FORWARD_PROGRESS_ACTION - WdfIoForwardProgressActionFailRequest is returned it causes - the Framework to fail the IRP. - WdfIoForwardProgressActionUseReservedRequest is returned it causes - the framework to use a reserved request to handle the IRP. ---*/ -{ - PIO_STACK_LOCATION irpStack; - WDF_IO_FORWARD_PROGRESS_ACTION action; - - UNREFERENCED_PARAMETER(Queue); - - irpStack = IoGetCurrentIrpStackLocation(Irp); - switch (irpStack->MajorFunction) { - case IRP_MJ_READ: - case IRP_MJ_WRITE: - case IRP_MJ_DEVICE_CONTROL: - case IRP_MJ_INTERNAL_DEVICE_CONTROL: - - // - // Use reserved request for reads, writes, IOCTL's - // - action = WdfIoForwardProgressActionUseReservedRequest; - break; - - default: - // - // Just for demonstration of the available actions fail the - // other I/O IRP's - // - action = WdfIoForwardProgressActionFailRequest; - break; - } - - return action; -} - -NTSTATUS -EvtIoAllocateResourcesForReservedRequest( - _In_ WDFQUEUE Queue, - _In_ WDFREQUEST Request - ) - -/*++ - -Routine Description: - - A driver's EvtIoAllocateResourcesForReservedRequest callback function - allocates and stores request-specific resources for request objects that - the framework is reserving for low-memory situations. - - NOTE: You can't call WdfRequestGetIoQueue for Reserved requests - Use the Queue handle passed in. - - -Arguments: - - Queue - Handle to the framework queue object that is associated with the - I/O request. - - Request - Handle to a framework request object. - - -Return Value: - - NTSTATUS - ---*/ -{ - NTSTATUS status; - PFWD_PROGRESS_REQUEST_CONTEXT fwdReqContext; - - UNREFERENCED_PARAMETER(Queue); - - status = STATUS_SUCCESS; - ASSERT(WdfRequestIsReserved(Request)); - - // - // Allocate all resources needed for the request here. If you need to - // pre-allocate memory or any other resource do it in this callback and - // store it in the context. - // - status = AllocateAdditionalRequestContext(Request); - if (NT_SUCCESS(status)) { - - fwdReqContext = GetForwardProgressRequestContext(Request); - } - - return status; -} - -NTSTATUS -EvtIoAllocateResources( - _In_ WDFQUEUE Queue, - _In_ WDFREQUEST Request - ) - -/*++ - -Routine Description: - - This event is called for the driver to allocate request - resources for immediate use (unlike reserved requests which is for use under - low memory). - It is called immediately after the framework has received an IRP and created - a request object for the IRP. - - -Arguments: - - Queue - Handle to the framework queue object that is associated with the - I/O request. - - Request - Handle to a framework request object. - - -Return Value: - - NTSTATUS - ---*/ -{ - NTSTATUS status; - PFWD_PROGRESS_REQUEST_CONTEXT fwdReqContext; - - UNREFERENCED_PARAMETER(Queue); - status = STATUS_SUCCESS; - - // - // Allocate all resources needed for the request here and store it in the request - // context. - // - fwdReqContext = GetForwardProgressRequestContext(Request); - - return status; -} - -NTSTATUS -SetForwardProgressOnQueue( - _In_ WDFQUEUE Queue - ) - -/*++ - -Routine Description: - Set forward progress on the top level( handles one of the major I/O IRP) - queue we created. - The default is always a top level queue or if the queue was configured - with WdfDeviceConfigureRequestDispatching. - -Arguments: - - Queue - Handle to the framework queue object that is associated with the - I/O request. - - -Return Value: - - NTSTATUS - ---*/ -{ - - WDF_IO_QUEUE_FORWARD_PROGRESS_POLICY forwardProgressPolicy; - NTSTATUS status; - - // - // The policy is configurable by the user. In the code segment below - // WdfIoForwardProgressReservedPolicyUseExamine - // is demonstrated. If your driver supports paging I/O you should select - // WdfIoForwardProgressReservedPolicyPagingIO. - // MAX_RESERVED_REQUESTS should be adjusted depending on the number of parallel - // requests the driver wants to handle under low memory conditions. It may - // require some hit and trial to get the right number. - // - WDF_IO_QUEUE_FORWARD_PROGRESS_POLICY_EXAMINE_INIT( - &forwardProgressPolicy, - MAX_RESERVED_REQUESTS, - EvtIoWdmIrpForForwardProgress - ); - - forwardProgressPolicy.EvtIoAllocateResourcesForReservedRequest = - EvtIoAllocateResourcesForReservedRequest; - forwardProgressPolicy.EvtIoAllocateRequestResources = EvtIoAllocateResources; - - status = WdfIoQueueAssignForwardProgressPolicy(Queue, - &forwardProgressPolicy - ); - if (!NT_SUCCESS(status)) { - KdPrint(("Error WdfIoQueueAssignForwardProgressPolicy 0x%x\n",status)); - return status; - } - - return status; -} - -#endif - diff --git a/storage/ramdisk/src/forward_progress.h b/storage/ramdisk/src/forward_progress.h deleted file mode 100644 index 00bb6aa6..00000000 --- a/storage/ramdisk/src/forward_progress.h +++ /dev/null @@ -1,52 +0,0 @@ -/*++ - -Copyright (c) 1990-2000 Microsoft Corporation - -Module Name: - - forward_progress.h - -Abstract: - - This is the driver object header for forward progress - - -Environment: - - kernel mode only - -Revision History: - ---*/ - -#pragma once - -// -// NOTE: Forward progress was added in v1.9 -// - -#if KMDF_VERSION_MINOR >= 9 - -EVT_WDF_OBJECT_CONTEXT_CLEANUP EvtForwardProgressRequestCleanup; -EVT_WDF_OBJECT_CONTEXT_DESTROY EvtForwardProgressRequestDestroy; -EVT_WDF_IO_WDM_IRP_FOR_FORWARD_PROGRESS EvtIoWdmIrpForForwardProgress; -EVT_WDF_IO_ALLOCATE_RESOURCES_FOR_RESERVED_REQUEST EvtIoAllocateResourcesForReservedRequest; -EVT_WDF_IO_ALLOCATE_REQUEST_RESOURCES EvtIoAllocateResources; - -#define MAX_RESERVED_REQUESTS 8 -#define MEMORY_SIZE 0x100 - -typedef struct _FWD_PROGRESS_REQUEST_CONTEXT { - WDFMEMORY Memory; -} FWD_PROGRESS_REQUEST_CONTEXT, *PFWD_PROGRESS_REQUEST_CONTEXT; - -WDF_DECLARE_CONTEXT_TYPE_WITH_NAME(FWD_PROGRESS_REQUEST_CONTEXT, GetForwardProgressRequestContext) - - -NTSTATUS -SetForwardProgressOnQueue( - _In_ WDFQUEUE Queue - ); - -#endif - diff --git a/storage/ramdisk/src/ramdisk.c b/storage/ramdisk/src/ramdisk.c deleted file mode 100644 index 5411f3a9..00000000 --- a/storage/ramdisk/src/ramdisk.c +++ /dev/null @@ -1,898 +0,0 @@ -/*++ - -Copyright (c) Microsoft Corporation, All Rights Reserved - -Module Name: - - Ramdisk.c - -Abstract: - - This is the Ramdisk sample driver. This version of the driver has been - modified to support the driver frameworks. This driver basically creates - a nonpaged pool and exposes that as a storage media. User can - find the device in the disk manager and format the media to use - as FAT or NTFS volume. - -Environment: - - Kernel mode only. - ---*/ - -#include "ramdisk.h" - -#ifdef ALLOC_PRAGMA -#pragma alloc_text(INIT, DriverEntry) -#pragma alloc_text(PAGE, RamDiskEvtDeviceAdd) -#pragma alloc_text(PAGE, RamDiskEvtDeviceContextCleanup) -#pragma alloc_text(PAGE, RamDiskQueryDiskRegParameters) -#pragma alloc_text(PAGE, RamDiskFormatDisk) -#endif - -NTSTATUS -DriverEntry( - IN PDRIVER_OBJECT DriverObject, - IN PUNICODE_STRING RegistryPath - ) - -/*++ - -Routine Description: - - Installable driver initialization entry point. - This entry point is called directly by the I/O system. - -Arguments: - - DriverObject - pointer to the driver object - - RegistryPath - pointer to a unicode string representing the path - to driver-specific key in the registry - -Return Value: - - STATUS_SUCCESS if successful. - ---*/ - -{ - WDF_DRIVER_CONFIG config; - - KdPrint(("Windows Ramdisk Driver - Driver Framework Edition.\n")); - - - WDF_DRIVER_CONFIG_INIT( &config, RamDiskEvtDeviceAdd ); - - return WdfDriverCreate(DriverObject, RegistryPath, WDF_NO_OBJECT_ATTRIBUTES, &config, WDF_NO_HANDLE); -} - -VOID -RamDiskEvtIoRead( - IN WDFQUEUE Queue, - IN WDFREQUEST Request, - IN size_t Length - ) -/*++ - -Routine Description: - - This event is called when the framework receives IRP_MJ_READ request. - -Arguments: - - Queue - Handle to the framework queue object that is associated with the - I/O request. - - Request - Handle to a framework request object. - - Length - Length of the data buffer associated with the request. - The default property of the queue is to not dispatch - zero length read & write requests to the driver and - complete is with status success. So we will never get - a zero length request. - -Return Value: - - VOID - ---*/ -{ - PDEVICE_EXTENSION devExt = QueueGetExtension(Queue)->DeviceExtension; - NTSTATUS Status = STATUS_INVALID_PARAMETER; - WDF_REQUEST_PARAMETERS Parameters; - LARGE_INTEGER ByteOffset; - WDFMEMORY hMemory; - - _Analysis_assume_(Length > 0); - - WDF_REQUEST_PARAMETERS_INIT(&Parameters); - WdfRequestGetParameters(Request, &Parameters); - - ByteOffset.QuadPart = Parameters.Parameters.Read.DeviceOffset; - - if (RamDiskCheckParameters(devExt, ByteOffset, Length)) { - - Status = WdfRequestRetrieveOutputMemory(Request, &hMemory); - if(NT_SUCCESS(Status)){ - - Status = WdfMemoryCopyFromBuffer(hMemory, // Destination - 0, // Offset into the destination - devExt->DiskImage + ByteOffset.LowPart, // source - Length); - } - } - - WdfRequestCompleteWithInformation(Request, Status, (ULONG_PTR)Length); -} - -VOID -RamDiskEvtIoWrite( - IN WDFQUEUE Queue, - IN WDFREQUEST Request, - IN size_t Length - ) - -/*++ - -Routine Description: - - This event is invoked when the framework receives IRP_MJ_WRITE request. - -Arguments: - - Queue - Handle to the framework queue object that is associated with the - I/O request. - - Request - Handle to a framework request object. - - Length - Length of the data buffer associated with the request. - The default property of the queue is to not dispatch - zero length read & write requests to the driver and - complete is with status success. So we will never get - a zero length request. - -Return Value: - - VOID - ---*/ -{ - PDEVICE_EXTENSION devExt = QueueGetExtension(Queue)->DeviceExtension; - NTSTATUS Status = STATUS_INVALID_PARAMETER; - WDF_REQUEST_PARAMETERS Parameters; - LARGE_INTEGER ByteOffset; - WDFMEMORY hMemory; - - _Analysis_assume_(Length > 0); - - WDF_REQUEST_PARAMETERS_INIT(&Parameters); - WdfRequestGetParameters(Request, &Parameters); - - ByteOffset.QuadPart = Parameters.Parameters.Write.DeviceOffset; - - if (RamDiskCheckParameters(devExt, ByteOffset, Length)) { - - Status = WdfRequestRetrieveInputMemory(Request, &hMemory); - if(NT_SUCCESS(Status)){ - - Status = WdfMemoryCopyToBuffer(hMemory, // Source - 0, // offset in Source memory where the copy has to start - devExt->DiskImage + ByteOffset.LowPart, // destination - Length); - } - - } - - WdfRequestCompleteWithInformation(Request, Status, (ULONG_PTR)Length); -} - -VOID -RamDiskEvtIoDeviceControl( - IN WDFQUEUE Queue, - IN WDFREQUEST Request, - IN size_t OutputBufferLength, - IN size_t InputBufferLength, - IN ULONG IoControlCode - ) -/*++ - -Routine Description: - - This event is called when the framework receives IRP_MJ_DEVICE_CONTROL - requests from the system. - -Arguments: - - Queue - Handle to the framework queue object that is associated - with the I/O request. - Request - Handle to a framework request object. - - OutputBufferLength - length of the request's output buffer, - if an output buffer is available. - InputBufferLength - length of the request's input buffer, - if an input buffer is available. - - IoControlCode - the driver-defined or system-defined I/O control code - (IOCTL) that is associated with the request. - - -Return Value: - - VOID - ---*/ -{ - NTSTATUS Status = STATUS_INVALID_DEVICE_REQUEST; - ULONG_PTR information = 0; - size_t bufSize; - PDEVICE_EXTENSION devExt = QueueGetExtension(Queue)->DeviceExtension; - - UNREFERENCED_PARAMETER(OutputBufferLength); - UNREFERENCED_PARAMETER(InputBufferLength); - - switch (IoControlCode) { - case IOCTL_DISK_GET_PARTITION_INFO: { - - PPARTITION_INFORMATION outputBuffer; - PBOOT_SECTOR bootSector = (PBOOT_SECTOR) devExt->DiskImage; - - information = sizeof(PARTITION_INFORMATION); - - Status = WdfRequestRetrieveOutputBuffer(Request, sizeof(PARTITION_INFORMATION), &outputBuffer, &bufSize); - if(NT_SUCCESS(Status) ) { - - outputBuffer->PartitionType = - (bootSector->bsFileSystemType[4] == '6') ? PARTITION_FAT_16 : PARTITION_FAT_12; - - outputBuffer->BootIndicator = FALSE; - outputBuffer->RecognizedPartition = TRUE; - outputBuffer->RewritePartition = FALSE; - outputBuffer->StartingOffset.QuadPart = 0; - outputBuffer->PartitionLength.QuadPart = devExt->DiskRegInfo.DiskSize; - outputBuffer->HiddenSectors = (ULONG) (1L); - outputBuffer->PartitionNumber = (ULONG) (-1L); - - Status = STATUS_SUCCESS; - } - } - break; - - case IOCTL_DISK_GET_DRIVE_GEOMETRY: { - - PDISK_GEOMETRY outputBuffer; - - // - // Return the drive geometry for the ram disk. Note that - // we return values which were made up to suit the disk size. - // - information = sizeof(DISK_GEOMETRY); - - Status = WdfRequestRetrieveOutputBuffer(Request, sizeof(DISK_GEOMETRY), &outputBuffer, &bufSize); - if(NT_SUCCESS(Status) && - bufSize >= sizeof(DISK_GEOMETRY)) { - - RtlCopyMemory(outputBuffer, &(devExt->DiskGeometry), sizeof(DISK_GEOMETRY)); - Status = STATUS_SUCCESS; - } - } - break; - - case IOCTL_DISK_CHECK_VERIFY: - case IOCTL_DISK_IS_WRITABLE: - - // - // Return status success - // - - Status = STATUS_SUCCESS; - break; - } - - WdfRequestCompleteWithInformation(Request, Status, information); -} - -VOID -RamDiskEvtDeviceContextCleanup( - IN WDFOBJECT Device - ) -/*++ - -Routine Description: - - EvtDeviceContextCleanup event callback cleans up anything done in - EvtDeviceAdd, except those things that are automatically cleaned - up by the Framework. - - In the case of this sample, everything is automatically handled. In a - driver derived from this sample, it's quite likely that this function could - be deleted. - -Arguments: - - Device - Handle to a framework device object. - -Return Value: - - VOID - ---*/ -{ - PDEVICE_EXTENSION pDeviceExtension = DeviceGetExtension(Device); - - PAGED_CODE(); - - if(pDeviceExtension->DiskImage) { - ExFreePool(pDeviceExtension->DiskImage); - } -} - -NTSTATUS -RamDiskEvtDeviceAdd( - IN WDFDRIVER Driver, - IN PWDFDEVICE_INIT DeviceInit - ) -/*++ -Routine Description: - - EvtDeviceAdd is called by the framework in response to AddDevice - call from the PnP manager. We create and initialize a device object to - represent a new instance of the device. - -Arguments: - - Driver - Handle to a framework driver object created in DriverEntry - - DeviceInit - Pointer to a framework-allocated WDFDEVICE_INIT structure. - -Return Value: - - NTSTATUS - ---*/ -{ - WDF_OBJECT_ATTRIBUTES deviceAttributes; - NTSTATUS status; - WDFDEVICE device; - WDF_OBJECT_ATTRIBUTES queueAttributes; - WDF_IO_QUEUE_CONFIG ioQueueConfig; - PDEVICE_EXTENSION pDeviceExtension; - PQUEUE_EXTENSION pQueueContext = NULL; - WDFQUEUE queue; - DECLARE_CONST_UNICODE_STRING(ntDeviceName, NT_DEVICE_NAME); - - PAGED_CODE(); - - UNREFERENCED_PARAMETER(Driver); - - // - // Storage drivers have to name their FDOs. Since we are not unique'fying - // the device name, we wouldn't be able to install more than one instance - // of this ramdisk driver. - // - status = WdfDeviceInitAssignName(DeviceInit, &ntDeviceName); - if (!NT_SUCCESS(status)) { - return status; - } - - WdfDeviceInitSetDeviceType(DeviceInit, FILE_DEVICE_DISK); - WdfDeviceInitSetIoType(DeviceInit, WdfDeviceIoDirect); - WdfDeviceInitSetExclusive(DeviceInit, FALSE); - - // - // Since this is a pure software only driver, there is no need to register - // any PNP/Power event callbacks. Framework will respond to these - // events appropriately. - // - WDF_OBJECT_ATTRIBUTES_INIT_CONTEXT_TYPE(&deviceAttributes, DEVICE_EXTENSION); - deviceAttributes.EvtCleanupCallback = RamDiskEvtDeviceContextCleanup; - - status = WdfDeviceCreate(&DeviceInit, &deviceAttributes, &device); - if (!NT_SUCCESS(status)) { - return status; - } - - // - // Now that the WDF device object has been created, set up any context - // that it requires. - // - - pDeviceExtension = DeviceGetExtension(device); - - // - // Configure a default queue so that requests that are not - // configure-fowarded using WdfDeviceConfigureRequestDispatching to goto - // other queues get dispatched here. - // - WDF_IO_QUEUE_CONFIG_INIT_DEFAULT_QUEUE ( - &ioQueueConfig, - WdfIoQueueDispatchSequential - ); - - ioQueueConfig.EvtIoDeviceControl = RamDiskEvtIoDeviceControl; - ioQueueConfig.EvtIoRead = RamDiskEvtIoRead; - ioQueueConfig.EvtIoWrite = RamDiskEvtIoWrite; - - WDF_OBJECT_ATTRIBUTES_INIT_CONTEXT_TYPE(&queueAttributes, QUEUE_EXTENSION); - - // - // By default, Static Driver Verifier (SDV) displays a warning if it - // doesn't find the EvtIoStop callback on a power-managed queue. - // The 'assume' below causes SDV to suppress this warning. If the driver - // has not explicitly set PowerManaged to WdfFalse, the framework creates - // power-managed queues when the device is not a filter driver. Normally - // the EvtIoStop is required for power-managed queues, but for this driver - // it is not needed b/c the driver doesn't hold on to the requests or - // forward them to other drivers. This driver completes the requests - // directly in the queue's handlers. If the EvtIoStop callback is not - // implemented, the framework waits for all driver-owned requests to be - // done before moving in the Dx/sleep states or before removing the - // device, which is the correct behavior for this type of driver. - // If the requests were taking an indeterminate amount of time to complete, - // or if the driver forwarded the requests to a lower driver/another stack, - // the queue should have an EvtIoStop/EvtIoResume. - // - __analysis_assume(ioQueueConfig.EvtIoStop != 0); - status = WdfIoQueueCreate( device, - &ioQueueConfig, - &queueAttributes, - &queue ); - __analysis_assume(ioQueueConfig.EvtIoStop == 0); - if (!NT_SUCCESS(status)) { - return status; - } - - // Context is the Queue handle - pQueueContext = QueueGetExtension(queue); - - // - // Set the context for our default queue as our device extension. - // - pQueueContext->DeviceExtension = pDeviceExtension; - -#if KMDF_VERSION_MINOR >= 9 - - // - // Enable forward progress on the queue we just created. - // NOTE: If you are planning to use this code without forward progress, - // comment out the call to SetForwardProgressOnQueue below. - // - status = SetForwardProgressOnQueue(queue); - if (!NT_SUCCESS(status)) { - return status; - } - -#endif - - // - // Now do any RAM-Disk specific initialization - // - pDeviceExtension->DiskRegInfo.DriveLetter.Buffer = - (PWSTR) &pDeviceExtension->DriveLetterBuffer; - pDeviceExtension->DiskRegInfo.DriveLetter.MaximumLength = - sizeof(pDeviceExtension->DriveLetterBuffer); - - // - // Get the disk parameters from the registry - // - RamDiskQueryDiskRegParameters( - WdfDriverGetRegistryPath(WdfDeviceGetDriver(device)), - &pDeviceExtension->DiskRegInfo - ); - - // - // Allocate memory for the disk image. - // - pDeviceExtension->DiskImage = ExAllocatePoolWithTag( - NonPagedPoolNx, - pDeviceExtension->DiskRegInfo.DiskSize, - RAMDISK_TAG - ); - - if (pDeviceExtension->DiskImage) { - - UNICODE_STRING deviceName; - UNICODE_STRING win32Name; - - RamDiskFormatDisk(pDeviceExtension); - - status = STATUS_SUCCESS; - - // - // Now try to create a symbolic link for the drive letter. - // - RtlInitUnicodeString(&win32Name, DOS_DEVICE_NAME); - RtlInitUnicodeString(&deviceName, NT_DEVICE_NAME); - - pDeviceExtension->SymbolicLink.Buffer = (PWSTR) - &pDeviceExtension->DosDeviceNameBuffer; - pDeviceExtension->SymbolicLink.MaximumLength = - sizeof(pDeviceExtension->DosDeviceNameBuffer); - pDeviceExtension->SymbolicLink.Length = win32Name.Length; - - RtlCopyUnicodeString(&pDeviceExtension->SymbolicLink, &win32Name); - RtlAppendUnicodeStringToString(&pDeviceExtension->SymbolicLink, - &pDeviceExtension->DiskRegInfo.DriveLetter); - - status = WdfDeviceCreateSymbolicLink(device, - &pDeviceExtension->SymbolicLink); - } - - return status; -} - -VOID -RamDiskQueryDiskRegParameters( - _In_ PWSTR RegistryPath, - _In_ PDISK_INFO DiskRegInfo - ) - -/*++ - -Routine Description: - - This routine is called from the DriverEntry to get the debug - parameters from the registry. If the registry query fails, then - default values are used. - -Arguments: - - RegistryPath - Points the service path to get the registry parameters - -Return Value: - - None - ---*/ - -{ - - RTL_QUERY_REGISTRY_TABLE rtlQueryRegTbl[5 + 1]; // Need 1 for NULL - NTSTATUS Status; - DISK_INFO defDiskRegInfo; - - PAGED_CODE(); - - ASSERT(RegistryPath != NULL); - - // Set the default values - - defDiskRegInfo.DiskSize = DEFAULT_DISK_SIZE; - defDiskRegInfo.RootDirEntries = DEFAULT_ROOT_DIR_ENTRIES; - defDiskRegInfo.SectorsPerCluster = DEFAULT_SECTORS_PER_CLUSTER; - - RtlInitUnicodeString(&defDiskRegInfo.DriveLetter, DEFAULT_DRIVE_LETTER); - - RtlZeroMemory(rtlQueryRegTbl, sizeof(rtlQueryRegTbl)); - - // - // Setup the query table - // - - rtlQueryRegTbl[0].Flags = RTL_QUERY_REGISTRY_SUBKEY; - rtlQueryRegTbl[0].Name = L"Parameters"; - rtlQueryRegTbl[0].EntryContext = NULL; - rtlQueryRegTbl[0].DefaultType = (ULONG_PTR)NULL; - rtlQueryRegTbl[0].DefaultData = NULL; - rtlQueryRegTbl[0].DefaultLength = (ULONG_PTR)NULL; - - // - // Disk paramters - // - - rtlQueryRegTbl[1].Flags = RTL_QUERY_REGISTRY_DIRECT; - rtlQueryRegTbl[1].Name = L"DiskSize"; - rtlQueryRegTbl[1].EntryContext = &DiskRegInfo->DiskSize; - rtlQueryRegTbl[1].DefaultType = REG_DWORD; - rtlQueryRegTbl[1].DefaultData = &defDiskRegInfo.DiskSize; - rtlQueryRegTbl[1].DefaultLength = sizeof(ULONG); - - rtlQueryRegTbl[2].Flags = RTL_QUERY_REGISTRY_DIRECT; - rtlQueryRegTbl[2].Name = L"RootDirEntries"; - rtlQueryRegTbl[2].EntryContext = &DiskRegInfo->RootDirEntries; - rtlQueryRegTbl[2].DefaultType = REG_DWORD; - rtlQueryRegTbl[2].DefaultData = &defDiskRegInfo.RootDirEntries; - rtlQueryRegTbl[2].DefaultLength = sizeof(ULONG); - - rtlQueryRegTbl[3].Flags = RTL_QUERY_REGISTRY_DIRECT; - rtlQueryRegTbl[3].Name = L"SectorsPerCluster"; - rtlQueryRegTbl[3].EntryContext = &DiskRegInfo->SectorsPerCluster; - rtlQueryRegTbl[3].DefaultType = REG_DWORD; - rtlQueryRegTbl[3].DefaultData = &defDiskRegInfo.SectorsPerCluster; - rtlQueryRegTbl[3].DefaultLength = sizeof(ULONG); - - rtlQueryRegTbl[4].Flags = RTL_QUERY_REGISTRY_DIRECT; - rtlQueryRegTbl[4].Name = L"DriveLetter"; - rtlQueryRegTbl[4].EntryContext = &DiskRegInfo->DriveLetter; - rtlQueryRegTbl[4].DefaultType = REG_SZ; - rtlQueryRegTbl[4].DefaultData = defDiskRegInfo.DriveLetter.Buffer; - rtlQueryRegTbl[4].DefaultLength = 0; - - - Status = RtlQueryRegistryValues( - RTL_REGISTRY_ABSOLUTE | RTL_REGISTRY_OPTIONAL, - RegistryPath, - rtlQueryRegTbl, - NULL, - NULL - ); - - if (NT_SUCCESS(Status) == FALSE) { - - DiskRegInfo->DiskSize = defDiskRegInfo.DiskSize; - DiskRegInfo->RootDirEntries = defDiskRegInfo.RootDirEntries; - DiskRegInfo->SectorsPerCluster = defDiskRegInfo.SectorsPerCluster; - RtlCopyUnicodeString(&DiskRegInfo->DriveLetter, &defDiskRegInfo.DriveLetter); - } - - KdPrint(("DiskSize = 0x%lx\n", DiskRegInfo->DiskSize)); - KdPrint(("RootDirEntries = 0x%lx\n", DiskRegInfo->RootDirEntries)); - KdPrint(("SectorsPerCluster = 0x%lx\n", DiskRegInfo->SectorsPerCluster)); - KdPrint(("DriveLetter = %wZ\n", &(DiskRegInfo->DriveLetter))); - - return; -} - -NTSTATUS -RamDiskFormatDisk( - IN PDEVICE_EXTENSION devExt - ) - -/*++ - -Routine Description: - - This routine formats the new disk. - - -Arguments: - - DeviceObject - Supplies a pointer to the device object that represents - the device whose capacity is to be read. - -Return Value: - - status is returned. - ---*/ -{ - - PBOOT_SECTOR bootSector = (PBOOT_SECTOR) devExt->DiskImage; - PUCHAR firstFatSector; - ULONG rootDirEntries; - ULONG sectorsPerCluster; - USHORT fatType; // Type FAT 12 or 16 - USHORT fatEntries; // Number of cluster entries in FAT - USHORT fatSectorCnt; // Number of sectors for FAT - PDIR_ENTRY rootDir; // Pointer to first entry in root dir - - PAGED_CODE(); - ASSERT(sizeof(BOOT_SECTOR) == 512); - ASSERT(devExt->DiskImage != NULL); - - RtlZeroMemory(devExt->DiskImage, devExt->DiskRegInfo.DiskSize); - - devExt->DiskGeometry.BytesPerSector = 512; - devExt->DiskGeometry.SectorsPerTrack = 32; // Using Ramdisk value - devExt->DiskGeometry.TracksPerCylinder = 2; // Using Ramdisk value - - // - // Calculate number of cylinders. - // - - devExt->DiskGeometry.Cylinders.QuadPart = devExt->DiskRegInfo.DiskSize / 512 / 32 / 2; - - // - // Our media type is RAMDISK_MEDIA_TYPE - // - - devExt->DiskGeometry.MediaType = RAMDISK_MEDIA_TYPE; - - KdPrint(( - "Cylinders: %I64d\n TracksPerCylinder: %lu\n SectorsPerTrack: %lu\n BytesPerSector: %lu\n", - devExt->DiskGeometry.Cylinders.QuadPart, devExt->DiskGeometry.TracksPerCylinder, - devExt->DiskGeometry.SectorsPerTrack, devExt->DiskGeometry.BytesPerSector - )); - - rootDirEntries = devExt->DiskRegInfo.RootDirEntries; - sectorsPerCluster = devExt->DiskRegInfo.SectorsPerCluster; - - // - // Round Root Directory entries up if necessary - // - - if (rootDirEntries & (DIR_ENTRIES_PER_SECTOR - 1)) { - - rootDirEntries = - (rootDirEntries + (DIR_ENTRIES_PER_SECTOR - 1)) & - ~ (DIR_ENTRIES_PER_SECTOR - 1); - } - - KdPrint(( - "Root dir entries: %lu\n Sectors/cluster: %lu\n", - rootDirEntries, sectorsPerCluster - )); - - // - // We need to have the 0xeb and 0x90 since this is one of the - // checks the file system recognizer uses - // - - bootSector->bsJump[0] = 0xeb; - bootSector->bsJump[1] = 0x3c; - bootSector->bsJump[2] = 0x90; - - // - // Set OemName to "RajuRam " - // NOTE: Fill all 8 characters, eg. sizeof(bootSector->bsOemName); - // - bootSector->bsOemName[0] = 'R'; - bootSector->bsOemName[1] = 'a'; - bootSector->bsOemName[2] = 'j'; - bootSector->bsOemName[3] = 'u'; - bootSector->bsOemName[4] = 'R'; - bootSector->bsOemName[5] = 'a'; - bootSector->bsOemName[6] = 'm'; - bootSector->bsOemName[7] = ' '; - - bootSector->bsBytesPerSec = (SHORT)devExt->DiskGeometry.BytesPerSector; - bootSector->bsResSectors = 1; - bootSector->bsFATs = 1; - bootSector->bsRootDirEnts = (USHORT)rootDirEntries; - - bootSector->bsSectors = (USHORT)(devExt->DiskRegInfo.DiskSize / - devExt->DiskGeometry.BytesPerSector); - bootSector->bsMedia = (UCHAR)devExt->DiskGeometry.MediaType; - bootSector->bsSecPerClus = (UCHAR)sectorsPerCluster; - - // - // Calculate number of sectors required for FAT - // - - fatEntries = - (bootSector->bsSectors - bootSector->bsResSectors - - bootSector->bsRootDirEnts / DIR_ENTRIES_PER_SECTOR) / - bootSector->bsSecPerClus + 2; - - // - // Choose between 12 and 16 bit FAT based on number of clusters we - // need to map - // - - if (fatEntries > 4087) { - fatType = 16; - fatSectorCnt = (fatEntries * 2 + 511) / 512; - fatEntries = fatEntries + fatSectorCnt; - fatSectorCnt = (fatEntries * 2 + 511) / 512; - } - else { - fatType = 12; - fatSectorCnt = (((fatEntries * 3 + 1) / 2) + 511) / 512; - fatEntries = fatEntries + fatSectorCnt; - fatSectorCnt = (((fatEntries * 3 + 1) / 2) + 511) / 512; - } - - bootSector->bsFATsecs = fatSectorCnt; - bootSector->bsSecPerTrack = (USHORT)devExt->DiskGeometry.SectorsPerTrack; - bootSector->bsHeads = (USHORT)devExt->DiskGeometry.TracksPerCylinder; - bootSector->bsBootSignature = 0x29; - bootSector->bsVolumeID = 0x12345678; - - // - // Set Label to "RamDisk " - // NOTE: Fill all 11 characters, eg. sizeof(bootSector->bsLabel); - // - bootSector->bsLabel[0] = 'R'; - bootSector->bsLabel[1] = 'a'; - bootSector->bsLabel[2] = 'm'; - bootSector->bsLabel[3] = 'D'; - bootSector->bsLabel[4] = 'i'; - bootSector->bsLabel[5] = 's'; - bootSector->bsLabel[6] = 'k'; - bootSector->bsLabel[7] = ' '; - bootSector->bsLabel[8] = ' '; - bootSector->bsLabel[9] = ' '; - bootSector->bsLabel[10] = ' '; - - // - // Set FileSystemType to "FAT1? " - // NOTE: Fill all 8 characters, eg. sizeof(bootSector->bsFileSystemType); - // - bootSector->bsFileSystemType[0] = 'F'; - bootSector->bsFileSystemType[1] = 'A'; - bootSector->bsFileSystemType[2] = 'T'; - bootSector->bsFileSystemType[3] = '1'; - bootSector->bsFileSystemType[4] = '?'; - bootSector->bsFileSystemType[5] = ' '; - bootSector->bsFileSystemType[6] = ' '; - bootSector->bsFileSystemType[7] = ' '; - - bootSector->bsFileSystemType[4] = ( fatType == 16 ) ? '6' : '2'; - - bootSector->bsSig2[0] = 0x55; - bootSector->bsSig2[1] = 0xAA; - - // - // The FAT is located immediately following the boot sector. - // - - firstFatSector = (PUCHAR)(bootSector + 1); - firstFatSector[0] = (UCHAR)devExt->DiskGeometry.MediaType; - firstFatSector[1] = 0xFF; - firstFatSector[2] = 0xFF; - - if (fatType == 16) { - firstFatSector[3] = 0xFF; - } - - // - // The Root Directory follows the FAT - // - rootDir = (PDIR_ENTRY)(bootSector + 1 + fatSectorCnt); - - // - // Set device name to "MS-RAMDR" - // NOTE: Fill all 8 characters, eg. sizeof(rootDir->deName); - // - rootDir->deName[0] = 'M'; - rootDir->deName[1] = 'S'; - rootDir->deName[2] = '-'; - rootDir->deName[3] = 'R'; - rootDir->deName[4] = 'A'; - rootDir->deName[5] = 'M'; - rootDir->deName[6] = 'D'; - rootDir->deName[7] = 'R'; - - // - // Set device extension name to "IVE" - // NOTE: Fill all 3 characters, eg. sizeof(rootDir->deExtension); - // - rootDir->deExtension[0] = 'I'; - rootDir->deExtension[1] = 'V'; - rootDir->deExtension[2] = 'E'; - - rootDir->deAttributes = DIR_ATTR_VOLUME; - - return STATUS_SUCCESS; -} - -BOOLEAN -RamDiskCheckParameters( - IN PDEVICE_EXTENSION devExt, - IN LARGE_INTEGER ByteOffset, - IN size_t Length - ) - -{ - // - // Check for invalid parameters. It is an error for the starting offset - // + length to go past the end of the buffer, or for the length to - // not be a proper multiple of the sector size. - // - // Others are possible, but we don't check them since we trust the - // file system. - // - - if( devExt->DiskRegInfo.DiskSize < Length || - ByteOffset.QuadPart < 0 || // QuadPart is signed so check for negative values - ((ULONGLONG)ByteOffset.QuadPart > (devExt->DiskRegInfo.DiskSize - Length)) || - (Length & (devExt->DiskGeometry.BytesPerSector - 1))) { - - // - // Do not give an I/O boost for parameter errors. - // - - KdPrint(( - "Error invalid parameter\n" - "ByteOffset: %I64x\n" - "Length: %lu\n", - ByteOffset.QuadPart, - Length - )); - - return FALSE; - } - - return TRUE; -} - diff --git a/storage/ramdisk/src/ramdisk.h b/storage/ramdisk/src/ramdisk.h deleted file mode 100644 index 764e1094..00000000 --- a/storage/ramdisk/src/ramdisk.h +++ /dev/null @@ -1,196 +0,0 @@ -/*++ - -Copyright (c) 1990-2003 Microsoft Corporation, All Rights Reserved - -Module Name: - - ramdisk.h - -Abstract: - - This file includes data declarations for the Ram Disk driver for NT. - -Environment: - - Kernel mode only. - ---*/ - -#ifndef _RAMDISK_H_ -#define _RAMDISK_H_ - -#pragma warning(disable:4201) // nameless struct/union warning - -#include <ntddk.h> -#include <ntdddisk.h> - -#pragma warning(default:4201) - -#include <wdf.h> -#define NTSTRSAFE_LIB -#include <ntstrsafe.h> -#include "forward_progress.h" - -#define NT_DEVICE_NAME L"\\Device\\Ramdisk" -#define DOS_DEVICE_NAME L"\\DosDevices\\" - -#define RAMDISK_TAG 'DmaR' // "RamD" -#define DOS_DEVNAME_LENGTH (sizeof(DOS_DEVICE_NAME)+sizeof(WCHAR)*10) -#define DRIVE_LETTER_LENGTH (sizeof(WCHAR)*10) - -#define DRIVE_LETTER_BUFFER_SIZE 10 -#define DOS_DEVNAME_BUFFER_SIZE (sizeof(DOS_DEVICE_NAME) / 2) + 10 - -#define RAMDISK_MEDIA_TYPE 0xF8 -#define DIR_ENTRIES_PER_SECTOR 16 - -#define DEFAULT_DISK_SIZE (1024*1024) // 1 MB -#define DEFAULT_ROOT_DIR_ENTRIES 512 -#define DEFAULT_SECTORS_PER_CLUSTER 2 -#define DEFAULT_DRIVE_LETTER L"Z:" - -typedef struct _DISK_INFO { - ULONG DiskSize; // Ramdisk size in bytes - ULONG RootDirEntries; // No. of root directory entries - ULONG SectorsPerCluster; // Sectors per cluster - UNICODE_STRING DriveLetter; // Drive letter to be used -} DISK_INFO, *PDISK_INFO; - -typedef struct _DEVICE_EXTENSION { - PUCHAR DiskImage; // Pointer to beginning of disk image - DISK_GEOMETRY DiskGeometry; // Drive parameters built by Ramdisk - DISK_INFO DiskRegInfo; // Disk parameters from the registry - UNICODE_STRING SymbolicLink; // Dos symbolic name; Drive letter - WCHAR DriveLetterBuffer[DRIVE_LETTER_BUFFER_SIZE]; - WCHAR DosDeviceNameBuffer[DOS_DEVNAME_BUFFER_SIZE]; -} DEVICE_EXTENSION, *PDEVICE_EXTENSION; - -WDF_DECLARE_CONTEXT_TYPE_WITH_NAME(DEVICE_EXTENSION, DeviceGetExtension) - -typedef struct _QUEUE_EXTENSION { - PDEVICE_EXTENSION DeviceExtension; -} QUEUE_EXTENSION, *PQUEUE_EXTENSION; - -WDF_DECLARE_CONTEXT_TYPE_WITH_NAME(QUEUE_EXTENSION, QueueGetExtension) - -#pragma pack(1) - -typedef struct _BOOT_SECTOR -{ - UCHAR bsJump[3]; // x86 jmp instruction, checked by FS - CCHAR bsOemName[8]; // OEM name of formatter - USHORT bsBytesPerSec; // Bytes per Sector - UCHAR bsSecPerClus; // Sectors per Cluster - USHORT bsResSectors; // Reserved Sectors - UCHAR bsFATs; // Number of FATs - we always use 1 - USHORT bsRootDirEnts; // Number of Root Dir Entries - USHORT bsSectors; // Number of Sectors - UCHAR bsMedia; // Media type - we use RAMDISK_MEDIA_TYPE - USHORT bsFATsecs; // Number of FAT sectors - USHORT bsSecPerTrack; // Sectors per Track - we use 32 - USHORT bsHeads; // Number of Heads - we use 2 - ULONG bsHiddenSecs; // Hidden Sectors - we set to 0 - ULONG bsHugeSectors; // Number of Sectors if > 32 MB size - UCHAR bsDriveNumber; // Drive Number - not used - UCHAR bsReserved1; // Reserved - UCHAR bsBootSignature; // New Format Boot Signature - 0x29 - ULONG bsVolumeID; // VolumeID - set to 0x12345678 - CCHAR bsLabel[11]; // Label - set to RamDisk - CCHAR bsFileSystemType[8];// File System Type - FAT12 or FAT16 - CCHAR bsReserved2[448]; // Reserved - UCHAR bsSig2[2]; // Originial Boot Signature - 0x55, 0xAA -} BOOT_SECTOR, *PBOOT_SECTOR; - -typedef struct _DIR_ENTRY -{ - UCHAR deName[8]; // File Name - UCHAR deExtension[3]; // File Extension - UCHAR deAttributes; // File Attributes - UCHAR deReserved; // Reserved - USHORT deTime; // File Time - USHORT deDate; // File Date - USHORT deStartCluster; // First Cluster of file - ULONG deFileSize; // File Length -} DIR_ENTRY, *PDIR_ENTRY; - -#pragma pack() - -// -// Directory Entry Attributes -// - -#define DIR_ATTR_READONLY 0x01 -#define DIR_ATTR_HIDDEN 0x02 -#define DIR_ATTR_SYSTEM 0x04 -#define DIR_ATTR_VOLUME 0x08 -#define DIR_ATTR_DIRECTORY 0x10 -#define DIR_ATTR_ARCHIVE 0x20 - -DRIVER_INITIALIZE DriverEntry; - -#if KMDF_VERSION_MINOR >= 7 - -EVT_WDF_DRIVER_DEVICE_ADD RamDiskEvtDeviceAdd; -EVT_WDF_DEVICE_CONTEXT_CLEANUP RamDiskEvtDeviceContextCleanup; -EVT_WDF_IO_QUEUE_IO_READ RamDiskEvtIoRead; -EVT_WDF_IO_QUEUE_IO_WRITE RamDiskEvtIoWrite; -EVT_WDF_IO_QUEUE_IO_DEVICE_CONTROL RamDiskEvtIoDeviceControl; - -#else - -NTSTATUS -RamDiskEvtDeviceAdd( - IN WDFDRIVER Driver, - IN PWDFDEVICE_INIT DeviceInit - ); - -VOID -RamDiskEvtDeviceContextCleanup( - IN WDFOBJECT Device - ); - -VOID -RamDiskEvtIoRead( - IN WDFQUEUE Queue, - IN WDFREQUEST Request, - IN size_t Length - ); - -VOID -RamDiskEvtIoWrite( - IN WDFQUEUE Queue, - IN WDFREQUEST Request, - IN size_t Length - ); - -VOID -RamDiskEvtIoDeviceControl( - IN WDFQUEUE Queue, - IN WDFREQUEST Request, - IN size_t OutputBufferLength, - IN size_t InputBufferLength, - IN ULONG IoControlCode - ); - -#endif - -VOID -RamDiskQueryDiskRegParameters( - _In_ PWSTR RegistryPath, - _In_ PDISK_INFO DiskRegInfo - ); - -NTSTATUS -RamDiskFormatDisk( - IN PDEVICE_EXTENSION DeviceExtension - ); - -BOOLEAN -RamDiskCheckParameters( - IN PDEVICE_EXTENSION devExt, - IN LARGE_INTEGER ByteOffset, - IN size_t Length - ); - -#endif // _RAMDISK_H_ - diff --git a/storage/ramdisk/src/ramdisk.inx b/storage/ramdisk/src/ramdisk.inx Binary files differdeleted file mode 100644 index b3de10f9..00000000 --- a/storage/ramdisk/src/ramdisk.inx +++ /dev/null diff --git a/storage/ramdisk/src/ramdisk.rc b/storage/ramdisk/src/ramdisk.rc deleted file mode 100644 index 1d0ded22..00000000 --- a/storage/ramdisk/src/ramdisk.rc +++ /dev/null @@ -1,11 +0,0 @@ -#include <windows.h> - -#include <ntverp.h> - -#define VER_FILETYPE VFT_DLL -#define VER_FILESUBTYPE VFT2_UNKNOWN -#define VER_FILEDESCRIPTION_STR "Driver Frameworks Ramdisk Driver" -#define VER_INTERNALNAME_STR "ramdisk.sys" -#define VER_ORIGINALFILENAME_STR "ramdisk.sys" - -#include "common.ver" |