驱动小牛
|
阅读:2478回复:1
研究IRP结构体,在支持MFC的Console工程build过
typedef char CCHAR; // winnt
typedef short CSHORT; typedef ULONG CLONG; typedef CCHAR *PCCHAR; typedef CSHORT *PCSHORT; typedef CLONG *PCLONG; typedef ULONG LCID; // winnt typedef PULONG PLCID; // winnt typedef USHORT LANGID; // winnt typedef ULONG LOGICAL; typedef ULONG *PLOGICAL; typedef LONG NTSTATUS; typedef struct _MDL { struct _MDL *Next; CSHORT Size; CSHORT MdlFlags; struct _EPROCESS *Process; PVOID MappedSystemVa; PVOID StartVa; ULONG ByteCount; ULONG ByteOffset; } MDL, *PMDL; typedef struct _IO_STATUS_BLOCK { union { NTSTATUS Status; PVOID Pointer; }; ULONG* Information;// ULONG_PTR Information; } IO_STATUS_BLOCK, *PIO_STATUS_BLOCK; typedef CCHAR KPROCESSOR_MODE; typedef UCHAR KIRQL; typedef struct _DISPATCHER_HEADER { UCHAR Type; UCHAR Absolute; UCHAR Size; UCHAR Inserted; LONG SignalState; LIST_ENTRY WaitListHead; } DISPATCHER_HEADER; typedef struct _KEVENT { DISPATCHER_HEADER Header; } KEVENT, *PKEVENT, *RESTRICTED_POINTER PRKEVENT; // // Define an Asynchronous Procedure Call from I/O viewpoint // typedef VOID (NTAPI *PIO_APC_ROUTINE) ( IN PVOID ApcContext, IN PIO_STATUS_BLOCK IoStatusBlock, IN ULONG Reserved ); // // Define driver cancel routine type. // typedef VOID (*PDRIVER_CANCEL) ( IN struct _DEVICE_OBJECT *DeviceObject, IN struct _IRP *Irp ); typedef struct _KDEVICE_QUEUE_ENTRY { LIST_ENTRY DeviceListEntry; ULONG SortKey; BOOLEAN Inserted; } KDEVICE_QUEUE_ENTRY, *PKDEVICE_QUEUE_ENTRY, *RESTRICTED_POINTER PRKDEVICE_QUEUE_ENTRY; typedef struct _ETHREAD *PETHREAD; typedef struct _IO_TIMER *PIO_TIMER; #define MAXIMUM_VOLUME_LABEL_LENGTH (32 * sizeof(WCHAR)) // 32 characters typedef struct _VPB { CSHORT Type; CSHORT Size; USHORT Flags; USHORT VolumeLabelLength; // in bytes struct _DEVICE_OBJECT *DeviceObject; struct _DEVICE_OBJECT *RealDevice; ULONG SerialNumber; ULONG ReferenceCount; WCHAR VolumeLabel[MAXIMUM_VOLUME_LABEL_LENGTH / sizeof(WCHAR)]; } VPB, *PVPB; // // Device Object structure definition // #define DEVICE_TYPE ULONG typedef enum _IO_ALLOCATION_ACTION { KeepObject = 1, DeallocateObject, DeallocateObjectKeepRegisters } IO_ALLOCATION_ACTION, *PIO_ALLOCATION_ACTION; typedef IO_ALLOCATION_ACTION (*PDRIVER_CONTROL)( IN struct _DEVICE_OBJECT *DeviceObject, IN struct _IRP *Irp, IN PVOID MapRegisterBase, IN PVOID Context ); // // Deferred Procedure Call (DPC) object // struct _KDPC; typedef VOID (*PKDEFERRED_ROUTINE) ( IN struct _KDPC *Dpc, IN PVOID DeferredContext, IN PVOID SystemArgument1, IN PVOID SystemArgument2 ); typedef struct _KDPC { CSHORT Type; UCHAR Number; UCHAR Importance; LIST_ENTRY DpcListEntry; PKDEFERRED_ROUTINE DeferredRoutine; PVOID DeferredContext; PVOID SystemArgument1; PVOID SystemArgument2; PULONG* Lock;//PULONG_PTR Lock; } KDPC, *PKDPC, *RESTRICTED_POINTER PRKDPC; typedef struct _WAIT_CONTEXT_BLOCK { KDEVICE_QUEUE_ENTRY WaitQueueEntry; PDRIVER_CONTROL DeviceRoutine; PVOID DeviceContext; ULONG NumberOfMapRegisters; PVOID DeviceObject; PVOID CurrentIrp; PKDPC BufferChainingDpc; } WAIT_CONTEXT_BLOCK, *PWAIT_CONTEXT_BLOCK; typedef struct _KDEVICE_QUEUE { CSHORT Type; CSHORT Size; LIST_ENTRY DeviceListHead; KSPIN_LOCK Lock; BOOLEAN Busy; } KDEVICE_QUEUE, *PKDEVICE_QUEUE, *RESTRICTED_POINTER PRKDEVICE_QUEUE; typedef struct _DEVICE_OBJECT { CSHORT Type; USHORT Size; LONG ReferenceCount; struct _DRIVER_OBJECT *DriverObject; struct _DEVICE_OBJECT *NextDevice; struct _DEVICE_OBJECT *AttachedDevice; struct _IRP *CurrentIrp; PIO_TIMER Timer; ULONG Flags; // See above: DO_... ULONG Characteristics; // See ntioapi: FILE_... PVPB Vpb; PVOID DeviceExtension; DEVICE_TYPE DeviceType; CCHAR StackSize; union { LIST_ENTRY ListEntry; WAIT_CONTEXT_BLOCK Wcb; } Queue; ULONG AlignmentRequirement; KDEVICE_QUEUE DeviceQueue; KDPC Dpc; // // The following field is for exclusive use by the filesystem to keep // track of the number of Fsp threads currently using the device // ULONG ActiveThreadCount; PSECURITY_DESCRIPTOR SecurityDescriptor; KEVENT DeviceLock; USHORT SectorSize; USHORT Spare1; struct _DEVOBJ_EXTENSION *DeviceObjectExtension; PVOID Reserved; } DEVICE_OBJECT; typedef struct _DEVICE_OBJECT *PDEVICE_OBJECT; // ntndis typedef struct _SECTION_OBJECT_POINTERS { PVOID DataSectionObject; PVOID SharedCacheMap; PVOID ImageSectionObject; } SECTION_OBJECT_POINTERS; typedef SECTION_OBJECT_POINTERS *PSECTION_OBJECT_POINTERS; typedef struct _UNICODE_STRING { USHORT Length; USHORT MaximumLength; #ifdef MIDL_PASS [size_is(MaximumLength / 2), length_is((Length) / 2) ] USHORT * Buffer; #else // MIDL_PASS PWSTR Buffer; #endif // MIDL_PASS } UNICODE_STRING; typedef struct _IO_COMPLETION_CONTEXT { PVOID Port; PVOID Key; } IO_COMPLETION_CONTEXT, *PIO_COMPLETION_CONTEXT; typedef struct _FILE_OBJECT { CSHORT Type; CSHORT Size; PDEVICE_OBJECT DeviceObject; PVPB Vpb; PVOID FsContext; PVOID FsContext2; PSECTION_OBJECT_POINTERS SectionObjectPointer; PVOID PrivateCacheMap; NTSTATUS FinalStatus; struct _FILE_OBJECT *RelatedFileObject; BOOLEAN LockOperation; BOOLEAN DeletePending; BOOLEAN ReadAccess; BOOLEAN WriteAccess; BOOLEAN DeleteAccess; BOOLEAN SharedRead; BOOLEAN SharedWrite; BOOLEAN SharedDelete; ULONG Flags; UNICODE_STRING FileName; LARGE_INTEGER CurrentByteOffset; ULONG Waiters; ULONG Busy; PVOID LastLock; KEVENT Lock; KEVENT Event; PIO_COMPLETION_CONTEXT CompletionContext; } FILE_OBJECT; typedef struct _FILE_OBJECT *PFILE_OBJECT; // ntndis typedef VOID (*PKNORMAL_ROUTINE) ( IN PVOID NormalContext, IN PVOID SystemArgument1, IN PVOID SystemArgument2 ); typedef VOID (*PKKERNEL_ROUTINE) ( IN struct _KAPC *Apc, IN OUT PKNORMAL_ROUTINE *NormalRoutine, IN OUT PVOID *NormalContext, IN OUT PVOID *SystemArgument1, IN OUT PVOID *SystemArgument2 ); typedef VOID (*PKRUNDOWN_ROUTINE) ( IN struct _KAPC *Apc ); typedef struct _KAPC { CSHORT Type; CSHORT Size; ULONG Spare0; struct _KTHREAD *Thread; LIST_ENTRY ApcListEntry; PKKERNEL_ROUTINE KernelRoutine; PKRUNDOWN_ROUTINE RundownRoutine; PKNORMAL_ROUTINE NormalRoutine; PVOID NormalContext; // // N.B. The following two members MUST be together. // PVOID SystemArgument1; PVOID SystemArgument2; CCHAR ApcStateIndex; KPROCESSOR_MODE ApcMode; BOOLEAN Inserted; } KAPC, *PKAPC, *RESTRICTED_POINTER PRKAPC; typedef struct _IRP { CSHORT Type; USHORT Size; // // Define the common fields used to control the IRP. // // // Define a pointer to the Memory Descriptor List (MDL) for this I/O // request. This field is only used if the I/O is "direct I/O". // PMDL MdlAddress; // // Flags word - used to remember various flags. // ULONG Flags; // // The following union is used for one of three purposes: // // 1. This IRP is an associated IRP. The field is a pointer to a master // IRP. // // 2. This is the master IRP. The field is the count of the number of // IRPs which must complete (associated IRPs) before the master can // complete. // // 3. This operation is being buffered and the field is the address of // the system space buffer. // union { struct _IRP *MasterIrp; LONG IrpCount; PVOID SystemBuffer; } AssociatedIrp; // // Thread list entry - allows queueing the IRP to the thread pending I/O // request packet list. // LIST_ENTRY ThreadListEntry; // // I/O status - final status of operation. // IO_STATUS_BLOCK IoStatus; // // Requestor mode - mode of the original requestor of this operation. // KPROCESSOR_MODE RequestorMode; // // Pending returned - TRUE if pending was initially returned as the // status for this packet. // BOOLEAN PendingReturned; // // Stack state information. // CHAR StackCount; CHAR CurrentLocation; // // Cancel - packet has been canceled. // BOOLEAN Cancel; // // Cancel Irql - Irql at which the cancel spinlock was acquired. // KIRQL CancelIrql; // // ApcEnvironment - Used to save the APC environment at the time that the // packet was initialized. // CCHAR ApcEnvironment; // // Allocation control flags. // UCHAR AllocationFlags; // // User parameters. // PIO_STATUS_BLOCK UserIosb; PKEVENT UserEvent; union { struct { PIO_APC_ROUTINE UserApcRoutine; PVOID UserApcContext; } AsynchronousParameters; LARGE_INTEGER AllocationSize; } Overlay; // // CancelRoutine - Used to contain the address of a cancel routine supplied // by a device driver when the IRP is in a cancelable state. // PDRIVER_CANCEL CancelRoutine; // // Note that the UserBuffer parameter is outside of the stack so that I/O // completion can copy data back into the user's address space without // having to know exactly which service was being invoked. The length // of the copy is stored in the second half of the I/O status block. If // the UserBuffer field is NULL, then no copy is performed. // PVOID UserBuffer; // // Kernel structures // // The following section contains kernel structures which the IRP needs // in order to place various work information in kernel controller system // queues. Because the size and alignment cannot be controlled, they are // placed here at the end so they just hang off and do not affect the // alignment of other fields in the IRP. // union { struct { union { // // DeviceQueueEntry - The device queue entry field is used to // queue the IRP to the device driver device queue. // KDEVICE_QUEUE_ENTRY DeviceQueueEntry; struct { // // The following are available to the driver to use in // whatever manner is desired, while the driver owns the // packet. // PVOID DriverContext[4]; } ; } ; // // Thread - pointer to caller's Thread Control Block. // PETHREAD Thread; // // Auxiliary buffer - pointer to any auxiliary buffer that is // required to pass information to a driver that is not contained // in a normal buffer. // PCHAR AuxiliaryBuffer; // // The following unnamed structure must be exactly identical // to the unnamed structure used in the minipacket header used // for completion queue entries. // struct { // // List entry - used to queue the packet to completion queue, among // others. // LIST_ENTRY ListEntry; union { // // Current stack location - contains a pointer to the current // IO_STACK_LOCATION structure in the IRP stack. This field // should never be directly accessed by drivers. They should // use the standard functions. // struct _IO_STACK_LOCATION *CurrentStackLocation; // // Minipacket type. // ULONG PacketType; }; }; // // Original file object - pointer to the original file object // that was used to open the file. This field is owned by the // I/O system and should not be used by any other drivers. // PFILE_OBJECT OriginalFileObject; } Overlay; // // APC - This APC control block is used for the special kernel APC as // well as for the caller's APC, if one was specified in the original // argument list. If so, then the APC is reused for the normal APC for // whatever mode the caller was in and the "special" routine that is // invoked before the APC gets control simply deallocates the IRP. // KAPC Apc; // // CompletionKey - This is the key that is used to distinguish // individual I/O operations initiated on a single file handle. // PVOID CompletionKey; } Tail; } IRP, *PIRP; |
驱动小牛
|
沙发#
发布于:2008-03-07 15:41
ULONG* Information;// ULONG_PTR Information;
PULONG* Lock;//PULONG_PTR Lock; 有两个地方实在没有找到定义,我改了一下 |