mirror of
https://github.com/ApfelTeeSaft/reactos.git
synced 2026-09-02 04:13:34 +00:00
[RAMDISK] White space fixes
svn path=/trunk/; revision=65871
This commit is contained in:
Hervé Poussineau
@@ -58,10 +58,10 @@ typedef enum _RAMDISK_DEVICE_STATE
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} RAMDISK_DEVICE_STATE;
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DEFINE_GUID(RamdiskBusInterface,
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0x5DC52DF0,
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0x2F8A,
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0x410F,
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0x80, 0xE4, 0x05, 0xF8, 0x10, 0xE7, 0xA8, 0x8A);
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0x5DC52DF0,
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0x2F8A,
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0x410F,
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0x80, 0xE4, 0x05, 0xF8, 0x10, 0xE7, 0xA8, 0x8A);
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typedef struct _RAMDISK_EXTENSION
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{
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@@ -399,9 +399,9 @@ RamdiskUnmapPages(IN PRAMDISK_DRIVE_EXTENSION DeviceExtension,
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NTSTATUS
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NTAPI
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RamdiskCreateDiskDevice(IN PRAMDISK_BUS_EXTENSION DeviceExtension,
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IN PRAMDISK_CREATE_INPUT Input,
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IN BOOLEAN ValidateOnly,
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OUT PRAMDISK_DRIVE_EXTENSION *NewDriveExtension)
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IN PRAMDISK_CREATE_INPUT Input,
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IN BOOLEAN ValidateOnly,
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OUT PRAMDISK_DRIVE_EXTENSION *NewDriveExtension)
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{
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ULONG BasePage, DiskType, Length;
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//ULONG ViewCount;
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@@ -417,40 +417,40 @@ RamdiskCreateDiskDevice(IN PRAMDISK_BUS_EXTENSION DeviceExtension,
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PVOID BaseAddress;
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LARGE_INTEGER CurrentOffset, CylinderSize, DiskLength;
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ULONG CylinderCount, SizeByCylinders;
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//
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// Check if we're a boot RAM disk
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//
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DiskType = Input->DiskType;
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if (DiskType >= RAMDISK_BOOT_DISK)
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{
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//
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// Check if we're an ISO
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//
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if (DiskType == RAMDISK_BOOT_DISK)
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{
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//
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// NTLDR mounted us somewhere
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//
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BasePage = Input->BasePage;
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if (!BasePage) return STATUS_INVALID_PARAMETER;
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//
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// Sanitize disk options
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//
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Input->Options.Fixed = TRUE;
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Input->Options.Readonly = Input->Options.ExportAsCd |
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Input->Options.Readonly;
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Input->Options.Hidden = FALSE;
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Input->Options.NoDosDevice = FALSE;
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Input->Options.NoDriveLetter = IsWinPEBoot ? TRUE : FALSE;
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}
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else
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{
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//
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// The only other possibility is a WIM disk
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//
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if (DiskType != RAMDISK_WIM_DISK)
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//
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// Check if we're a boot RAM disk
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//
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DiskType = Input->DiskType;
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if (DiskType >= RAMDISK_BOOT_DISK)
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{
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//
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// Check if we're an ISO
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//
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if (DiskType == RAMDISK_BOOT_DISK)
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{
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//
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// NTLDR mounted us somewhere
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//
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BasePage = Input->BasePage;
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if (!BasePage) return STATUS_INVALID_PARAMETER;
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//
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// Sanitize disk options
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//
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Input->Options.Fixed = TRUE;
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Input->Options.Readonly = Input->Options.ExportAsCd |
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Input->Options.Readonly;
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Input->Options.Hidden = FALSE;
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Input->Options.NoDosDevice = FALSE;
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Input->Options.NoDriveLetter = IsWinPEBoot ? TRUE : FALSE;
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}
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else
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{
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//
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// The only other possibility is a WIM disk
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//
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if (DiskType != RAMDISK_WIM_DISK)
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{
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//
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// Fail
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@@ -458,26 +458,26 @@ RamdiskCreateDiskDevice(IN PRAMDISK_BUS_EXTENSION DeviceExtension,
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return STATUS_INVALID_PARAMETER;
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}
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//
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// Read the view count instead
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//
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//ViewCount = Input->ViewCount;
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//
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// Sanitize disk options
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//
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Input->Options.Hidden = FALSE;
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Input->Options.NoDosDevice = FALSE;
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Input->Options.Readonly = FALSE;
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Input->Options.NoDriveLetter = TRUE;
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Input->Options.Fixed = TRUE;
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}
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//
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// Are we just validating and returning to the user?
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//
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if (ValidateOnly) return STATUS_SUCCESS;
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//
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// Read the view count instead
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//
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//ViewCount = Input->ViewCount;
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//
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// Sanitize disk options
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//
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Input->Options.Hidden = FALSE;
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Input->Options.NoDosDevice = FALSE;
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Input->Options.Readonly = FALSE;
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Input->Options.NoDriveLetter = TRUE;
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Input->Options.Fixed = TRUE;
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}
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//
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// Are we just validating and returning to the user?
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//
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if (ValidateOnly) return STATUS_SUCCESS;
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//
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// Build the GUID string
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//
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@@ -490,7 +490,7 @@ RamdiskCreateDiskDevice(IN PRAMDISK_BUS_EXTENSION DeviceExtension,
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Status = STATUS_INSUFFICIENT_RESOURCES;
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goto FailCreate;
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}
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//
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// Allocate our device name
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//
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@@ -533,7 +533,7 @@ RamdiskCreateDiskDevice(IN PRAMDISK_BUS_EXTENSION DeviceExtension,
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// Grab the drive extension
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//
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DriveExtension = DeviceObject->DeviceExtension;
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//
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// Check if we need a DOS device
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//
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@@ -605,9 +605,9 @@ RamdiskCreateDiskDevice(IN PRAMDISK_BUS_EXTENSION DeviceExtension,
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DriveExtension->DriveLetter = Input->DriveLetter;
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}
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}
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}
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//
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// Setup the device object flags
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//
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@@ -620,17 +620,17 @@ RamdiskCreateDiskDevice(IN PRAMDISK_BUS_EXTENSION DeviceExtension,
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*NewDriveExtension = DriveExtension;
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DriveExtension->Type = RamdiskDrive;
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DiskLength = Input->DiskLength;
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ExInitializeFastMutex(&DriveExtension->DiskListLock);
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IoInitializeRemoveLock(&DriveExtension->RemoveLock,
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'dmaR',
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0,
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1);
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ExInitializeFastMutex(&DriveExtension->DiskListLock);
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IoInitializeRemoveLock(&DriveExtension->RemoveLock,
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'dmaR',
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0,
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1);
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DriveExtension->DriveDeviceName = DeviceName;
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DriveExtension->SymbolicLinkName = SymbolicLinkName;
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DriveExtension->GuidString = GuidString;
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DriveExtension->DiskGuid = Input->DiskGuid;
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DriveExtension->PhysicalDeviceObject = DeviceObject;
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DriveExtension->DeviceObject = RamdiskBusFdo;
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DriveExtension->PhysicalDeviceObject = DeviceObject;
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DriveExtension->DeviceObject = RamdiskBusFdo;
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DriveExtension->AttachedDevice = RamdiskBusFdo;
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DriveExtension->DiskType = Input->DiskType;
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DriveExtension->DiskOptions = Input->Options;
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@@ -780,104 +780,104 @@ NTSTATUS
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NTAPI
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RamdiskCreateRamdisk(IN PDEVICE_OBJECT DeviceObject,
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IN PIRP Irp,
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IN BOOLEAN ValidateOnly)
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IN BOOLEAN ValidateOnly)
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{
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PRAMDISK_CREATE_INPUT Input;
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ULONG Length;
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PRAMDISK_BUS_EXTENSION DeviceExtension;
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PRAMDISK_CREATE_INPUT Input;
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ULONG Length;
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PRAMDISK_BUS_EXTENSION DeviceExtension;
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PRAMDISK_DRIVE_EXTENSION DriveExtension;
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ULONG DiskType;
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PWCHAR FileNameStart, FileNameEnd;
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NTSTATUS Status;
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PIO_STACK_LOCATION IoStackLocation = IoGetCurrentIrpStackLocation(Irp);
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//
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// Get the device extension and our input data
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//
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DeviceExtension = DeviceObject->DeviceExtension;
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Length = IoStackLocation->Parameters.DeviceIoControl.InputBufferLength;
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Input = (PRAMDISK_CREATE_INPUT)Irp->AssociatedIrp.SystemBuffer;
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//
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// Validate input parameters
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//
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if ((Length < sizeof(RAMDISK_CREATE_INPUT)) ||
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(Input->Version != sizeof(RAMDISK_CREATE_INPUT)))
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{
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//
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// Invalid input
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//
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return STATUS_INVALID_PARAMETER;
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}
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//
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// Validate the disk type
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//
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DiskType = Input->DiskType;
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if (DiskType == RAMDISK_WIM_DISK) return STATUS_INVALID_PARAMETER;
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//
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// Look at the disk type
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//
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if (DiskType == RAMDISK_BOOT_DISK)
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{
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//
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// We only allow this as an early-init boot
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//
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if (!KeLoaderBlock) return STATUS_INVALID_PARAMETER;
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//
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// Save command-line flags
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//
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if (ExportBootDiskAsCd) Input->Options.ExportAsCd = TRUE;
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if (IsWinPEBoot) Input->Options.NoDriveLetter = TRUE;
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}
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ULONG DiskType;
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PWCHAR FileNameStart, FileNameEnd;
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NTSTATUS Status;
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PIO_STACK_LOCATION IoStackLocation = IoGetCurrentIrpStackLocation(Irp);
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//
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// Validate the disk type
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//
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if ((Input->Options.ExportAsCd) && (DiskType != RAMDISK_BOOT_DISK))
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{
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//
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// If the type isn't CDFS, it has to at least be raw CD
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//
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if (DiskType != RAMDISK_MEMORY_MAPPED_DISK) return STATUS_INVALID_PARAMETER;
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}
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//
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// Check if this is an actual file
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//
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if (DiskType <= RAMDISK_MEMORY_MAPPED_DISK)
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{
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//
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// Validate the file name
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//
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FileNameStart = (PWCHAR)((ULONG_PTR)Input + Length);
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FileNameEnd = Input->FileName + 1;
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while ((FileNameEnd < FileNameStart) && *(FileNameEnd)) FileNameEnd++;
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if (FileNameEnd == FileNameStart) return STATUS_INVALID_PARAMETER;
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}
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//
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// Get the device extension and our input data
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//
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DeviceExtension = DeviceObject->DeviceExtension;
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Length = IoStackLocation->Parameters.DeviceIoControl.InputBufferLength;
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Input = (PRAMDISK_CREATE_INPUT)Irp->AssociatedIrp.SystemBuffer;
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//
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// Create the actual device
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//
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Status = RamdiskCreateDiskDevice(DeviceExtension,
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Input,
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ValidateOnly,
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&DriveExtension);
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if (NT_SUCCESS(Status))
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{
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//
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// Invalidate and set success
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//
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IoInvalidateDeviceRelations(DeviceExtension->PhysicalDeviceObject, 0);
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Irp->IoStatus.Information = STATUS_SUCCESS;
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}
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//
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// We're done
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//
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return Status;
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//
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// Validate input parameters
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//
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if ((Length < sizeof(RAMDISK_CREATE_INPUT)) ||
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(Input->Version != sizeof(RAMDISK_CREATE_INPUT)))
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{
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//
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// Invalid input
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//
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return STATUS_INVALID_PARAMETER;
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}
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//
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// Validate the disk type
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//
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DiskType = Input->DiskType;
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if (DiskType == RAMDISK_WIM_DISK) return STATUS_INVALID_PARAMETER;
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//
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// Look at the disk type
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//
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if (DiskType == RAMDISK_BOOT_DISK)
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{
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//
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// We only allow this as an early-init boot
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//
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if (!KeLoaderBlock) return STATUS_INVALID_PARAMETER;
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//
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// Save command-line flags
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//
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if (ExportBootDiskAsCd) Input->Options.ExportAsCd = TRUE;
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if (IsWinPEBoot) Input->Options.NoDriveLetter = TRUE;
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}
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//
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// Validate the disk type
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//
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if ((Input->Options.ExportAsCd) && (DiskType != RAMDISK_BOOT_DISK))
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{
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//
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// If the type isn't CDFS, it has to at least be raw CD
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//
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if (DiskType != RAMDISK_MEMORY_MAPPED_DISK) return STATUS_INVALID_PARAMETER;
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}
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//
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// Check if this is an actual file
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//
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if (DiskType <= RAMDISK_MEMORY_MAPPED_DISK)
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{
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//
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// Validate the file name
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//
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FileNameStart = (PWCHAR)((ULONG_PTR)Input + Length);
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FileNameEnd = Input->FileName + 1;
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while ((FileNameEnd < FileNameStart) && *(FileNameEnd)) FileNameEnd++;
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if (FileNameEnd == FileNameStart) return STATUS_INVALID_PARAMETER;
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}
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//
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// Create the actual device
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//
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Status = RamdiskCreateDiskDevice(DeviceExtension,
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Input,
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ValidateOnly,
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&DriveExtension);
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if (NT_SUCCESS(Status))
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{
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//
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// Invalidate and set success
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//
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IoInvalidateDeviceRelations(DeviceExtension->PhysicalDeviceObject, 0);
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Irp->IoStatus.Information = STATUS_SUCCESS;
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}
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//
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// We're done
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//
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return Status;
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}
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NTSTATUS
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@@ -2477,115 +2477,115 @@ NTAPI
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RamdiskAddDevice(IN PDRIVER_OBJECT DriverObject,
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IN PDEVICE_OBJECT PhysicalDeviceObject)
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{
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PRAMDISK_BUS_EXTENSION DeviceExtension;
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PDEVICE_OBJECT AttachedDevice;
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NTSTATUS Status;
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UNICODE_STRING DeviceName;
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PDEVICE_OBJECT DeviceObject;
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//
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// Only create the bus FDO once
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//
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if (RamdiskBusFdo) return STATUS_DEVICE_ALREADY_ATTACHED;
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//
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// Create the bus FDO
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//
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RtlInitUnicodeString(&DeviceName, L"\\Device\\Ramdisk");
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Status = IoCreateDevice(DriverObject,
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sizeof(RAMDISK_BUS_EXTENSION),
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&DeviceName,
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FILE_DEVICE_BUS_EXTENDER,
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FILE_DEVICE_SECURE_OPEN,
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0,
|
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&DeviceObject);
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if (NT_SUCCESS(Status))
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{
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//
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// Initialize the bus FDO extension
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//
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DeviceExtension = DeviceObject->DeviceExtension;
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RtlZeroMemory(DeviceObject->DeviceExtension,
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PRAMDISK_BUS_EXTENSION DeviceExtension;
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PDEVICE_OBJECT AttachedDevice;
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NTSTATUS Status;
|
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UNICODE_STRING DeviceName;
|
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PDEVICE_OBJECT DeviceObject;
|
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|
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//
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// Only create the bus FDO once
|
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//
|
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if (RamdiskBusFdo) return STATUS_DEVICE_ALREADY_ATTACHED;
|
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|
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//
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// Create the bus FDO
|
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//
|
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RtlInitUnicodeString(&DeviceName, L"\\Device\\Ramdisk");
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Status = IoCreateDevice(DriverObject,
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sizeof(RAMDISK_BUS_EXTENSION),
|
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&DeviceName,
|
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FILE_DEVICE_BUS_EXTENDER,
|
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FILE_DEVICE_SECURE_OPEN,
|
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0,
|
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&DeviceObject);
|
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if (NT_SUCCESS(Status))
|
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{
|
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//
|
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// Initialize the bus FDO extension
|
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//
|
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DeviceExtension = DeviceObject->DeviceExtension;
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RtlZeroMemory(DeviceObject->DeviceExtension,
|
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sizeof(RAMDISK_BUS_EXTENSION));
|
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|
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//
|
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// Set bus FDO flags
|
||||
//
|
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DeviceObject->Flags |= DO_POWER_PAGABLE | DO_DIRECT_IO;
|
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|
||||
//
|
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// Setup the bus FDO extension
|
||||
//
|
||||
DeviceExtension->Type = RamdiskBus;
|
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ExInitializeFastMutex(&DeviceExtension->DiskListLock);
|
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IoInitializeRemoveLock(&DeviceExtension->RemoveLock,
|
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|
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//
|
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// Set bus FDO flags
|
||||
//
|
||||
DeviceObject->Flags |= DO_POWER_PAGABLE | DO_DIRECT_IO;
|
||||
|
||||
//
|
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// Setup the bus FDO extension
|
||||
//
|
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DeviceExtension->Type = RamdiskBus;
|
||||
ExInitializeFastMutex(&DeviceExtension->DiskListLock);
|
||||
IoInitializeRemoveLock(&DeviceExtension->RemoveLock,
|
||||
'dmaR',
|
||||
0,
|
||||
1);
|
||||
InitializeListHead(&DeviceExtension->DiskList);
|
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DeviceExtension->PhysicalDeviceObject = PhysicalDeviceObject;
|
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DeviceExtension->DeviceObject = DeviceObject;
|
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|
||||
//
|
||||
// Register the RAM disk device interface
|
||||
//
|
||||
Status = IoRegisterDeviceInterface(PhysicalDeviceObject,
|
||||
&RamdiskBusInterface,
|
||||
NULL,
|
||||
&DeviceExtension->BusDeviceName);
|
||||
if (!NT_SUCCESS(Status))
|
||||
{
|
||||
//
|
||||
// Fail
|
||||
//
|
||||
IoDeleteDevice(DeviceObject);
|
||||
return Status;
|
||||
}
|
||||
|
||||
//
|
||||
// Attach us to the device stack
|
||||
//
|
||||
AttachedDevice = IoAttachDeviceToDeviceStack(DeviceObject,
|
||||
PhysicalDeviceObject);
|
||||
DeviceExtension->AttachedDevice = AttachedDevice;
|
||||
if (!AttachedDevice)
|
||||
{
|
||||
//
|
||||
// Fail
|
||||
//
|
||||
IoSetDeviceInterfaceState(&DeviceExtension->BusDeviceName, 0);
|
||||
RtlFreeUnicodeString(&DeviceExtension->BusDeviceName);
|
||||
IoDeleteDevice(DeviceObject);
|
||||
return STATUS_NO_SUCH_DEVICE;
|
||||
}
|
||||
|
||||
//
|
||||
// Bus FDO is initialized
|
||||
//
|
||||
RamdiskBusFdo = DeviceObject;
|
||||
|
||||
//
|
||||
// Loop for loader block
|
||||
//
|
||||
if (KeLoaderBlock)
|
||||
{
|
||||
//
|
||||
// Are we being booted from setup? Not yet supported
|
||||
//
|
||||
//ASSERT(!KeLoaderBlock->SetupLdrBlock);
|
||||
}
|
||||
|
||||
//
|
||||
// All done
|
||||
//
|
||||
DeviceObject->Flags &= DO_DEVICE_INITIALIZING;
|
||||
Status = STATUS_SUCCESS;
|
||||
}
|
||||
|
||||
//
|
||||
// Return status
|
||||
//
|
||||
return Status;
|
||||
InitializeListHead(&DeviceExtension->DiskList);
|
||||
DeviceExtension->PhysicalDeviceObject = PhysicalDeviceObject;
|
||||
DeviceExtension->DeviceObject = DeviceObject;
|
||||
|
||||
//
|
||||
// Register the RAM disk device interface
|
||||
//
|
||||
Status = IoRegisterDeviceInterface(PhysicalDeviceObject,
|
||||
&RamdiskBusInterface,
|
||||
NULL,
|
||||
&DeviceExtension->BusDeviceName);
|
||||
if (!NT_SUCCESS(Status))
|
||||
{
|
||||
//
|
||||
// Fail
|
||||
//
|
||||
IoDeleteDevice(DeviceObject);
|
||||
return Status;
|
||||
}
|
||||
|
||||
//
|
||||
// Attach us to the device stack
|
||||
//
|
||||
AttachedDevice = IoAttachDeviceToDeviceStack(DeviceObject,
|
||||
PhysicalDeviceObject);
|
||||
DeviceExtension->AttachedDevice = AttachedDevice;
|
||||
if (!AttachedDevice)
|
||||
{
|
||||
//
|
||||
// Fail
|
||||
//
|
||||
IoSetDeviceInterfaceState(&DeviceExtension->BusDeviceName, 0);
|
||||
RtlFreeUnicodeString(&DeviceExtension->BusDeviceName);
|
||||
IoDeleteDevice(DeviceObject);
|
||||
return STATUS_NO_SUCH_DEVICE;
|
||||
}
|
||||
|
||||
//
|
||||
// Bus FDO is initialized
|
||||
//
|
||||
RamdiskBusFdo = DeviceObject;
|
||||
|
||||
//
|
||||
// Loop for loader block
|
||||
//
|
||||
if (KeLoaderBlock)
|
||||
{
|
||||
//
|
||||
// Are we being booted from setup? Not yet supported
|
||||
//
|
||||
//ASSERT(!KeLoaderBlock->SetupLdrBlock);
|
||||
}
|
||||
|
||||
//
|
||||
// All done
|
||||
//
|
||||
DeviceObject->Flags &= DO_DEVICE_INITIALIZING;
|
||||
Status = STATUS_SUCCESS;
|
||||
}
|
||||
|
||||
//
|
||||
// Return status
|
||||
//
|
||||
return Status;
|
||||
}
|
||||
|
||||
NTSTATUS
|
||||
|
||||
Reference in New Issue
Block a user