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Diffstat (limited to 'storage/ramdisk/src/ramdisk.h')
| -rw-r--r-- | storage/ramdisk/src/ramdisk.h | 196 |
1 files changed, 0 insertions, 196 deletions
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_ - |