You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
166 lines
4.0 KiB
166 lines
4.0 KiB
/*++
|
|
|
|
Copyright (c) 2000 Microsoft Corporation
|
|
|
|
Module Name:
|
|
|
|
vfpacket.h
|
|
|
|
Abstract:
|
|
|
|
This header exposes functions used to manage the verifier packet data that
|
|
tracks IRPs.
|
|
|
|
Author:
|
|
|
|
Adrian J. Oney (adriao) 20-Apr-1998
|
|
|
|
Environment:
|
|
|
|
Kernel mode
|
|
|
|
Revision History:
|
|
|
|
AdriaO 05/02/2000 - Seperated out from ntos\io\hashirp.h
|
|
|
|
--*/
|
|
|
|
|
|
//
|
|
// Currently, ntddk.h uses up to 0x2000 for Irp->Flags
|
|
//
|
|
#define IRPFLAG_EXAMINE_MASK 0xC0000000
|
|
#define IRPFLAG_EXAMINE_NOT_TRACKED 0x80000000
|
|
#define IRPFLAG_EXAMINE_TRACKED 0x40000000
|
|
#define IRPFLAG_EXAMINE_UNMARKED 0x00000000
|
|
|
|
#define TRACKFLAG_ACTIVE 0x00000001
|
|
#define IRP_ALLOC_COUNT 8
|
|
|
|
#define IRP_LOG_ENTRIES 16
|
|
|
|
typedef enum {
|
|
|
|
IOV_EVENT_NONE = 0,
|
|
IOV_EVENT_IO_ALLOCATE_IRP,
|
|
IOV_EVENT_IO_CALL_DRIVER,
|
|
IOV_EVENT_IO_CALL_DRIVER_UNWIND,
|
|
IOV_EVENT_IO_COMPLETE_REQUEST,
|
|
IOV_EVENT_IO_COMPLETION_ROUTINE,
|
|
IOV_EVENT_IO_COMPLETION_ROUTINE_UNWIND,
|
|
IOV_EVENT_IO_CANCEL_IRP,
|
|
IOV_EVENT_IO_FREE_IRP
|
|
|
|
} IOV_LOG_EVENT;
|
|
|
|
typedef struct {
|
|
|
|
IOV_LOG_EVENT Event;
|
|
PETHREAD Thread;
|
|
PVOID Address;
|
|
ULONG_PTR Data;
|
|
LARGE_INTEGER TimeStamp;
|
|
|
|
} IOV_LOG_ENTRY, *PIOV_LOG_ENTRY;
|
|
|
|
struct _IOV_SESSION_DATA;
|
|
struct _IOV_REQUEST_PACKET;
|
|
|
|
typedef struct _IOV_SESSION_DATA *PIOV_SESSION_DATA;
|
|
typedef struct _IOV_REQUEST_PACKET *PIOV_REQUEST_PACKET;
|
|
|
|
typedef struct _IOV_REQUEST_PACKET {
|
|
|
|
IOV_DATABASE_HEADER;
|
|
ULONG Flags;
|
|
KIRQL DepartureIrql; // Irql IRP will be dispatched at.
|
|
KIRQL ArrivalIrql; // Irql IRP was sent in at.
|
|
LIST_ENTRY SessionHead; // List of all sessions.
|
|
CCHAR StackCount; // StackCount of tracked IRP.
|
|
ULONG QuotaCharge; // Quota charged against IRP.
|
|
PEPROCESS QuotaProcess; // Process quota was charged to.
|
|
|
|
PIO_COMPLETION_ROUTINE RealIrpCompletionRoutine;
|
|
UCHAR RealIrpControl;
|
|
PVOID RealIrpContext;
|
|
PVOID AllocatorStack[IRP_ALLOC_COUNT];
|
|
|
|
//
|
|
// The following information is for the assertion routines to read.
|
|
//
|
|
UCHAR TopStackLocation;
|
|
|
|
CCHAR PriorityBoost; // Boost from IofCompleteRequest
|
|
UCHAR LastLocation; // Last location from IofCallDriver
|
|
ULONG RefTrackingCount;
|
|
|
|
//
|
|
// This field is only set on surrogate IRPs, and contains the locked system
|
|
// VA for the destination of a direct I/O IRP that's being buffered.
|
|
//
|
|
PUCHAR SystemDestVA;
|
|
|
|
#if DBG
|
|
IOV_LOG_ENTRY LogEntries[IRP_LOG_ENTRIES];
|
|
ULONG LogEntryHead;
|
|
ULONG LogEntryTail;
|
|
#endif
|
|
|
|
PVERIFIER_SETTINGS_SNAPSHOT VerifierSettings;
|
|
PIOV_SESSION_DATA pIovSessionData;
|
|
|
|
} IOV_REQUEST_PACKET;
|
|
|
|
PIOV_REQUEST_PACKET
|
|
FASTCALL
|
|
VfPacketCreateAndLock(
|
|
IN PIRP Irp
|
|
);
|
|
|
|
PIOV_REQUEST_PACKET
|
|
FASTCALL
|
|
VfPacketFindAndLock(
|
|
IN PIRP Irp
|
|
);
|
|
|
|
VOID
|
|
FASTCALL
|
|
VfPacketAcquireLock(
|
|
IN PIOV_REQUEST_PACKET IrpTrackingData
|
|
);
|
|
|
|
VOID
|
|
FASTCALL
|
|
VfPacketReleaseLock(
|
|
IN PIOV_REQUEST_PACKET IrpTrackingData
|
|
);
|
|
|
|
VOID
|
|
FASTCALL
|
|
VfPacketReference(
|
|
IN PIOV_REQUEST_PACKET IovPacket,
|
|
IN IOV_REFERENCE_TYPE IovRefType
|
|
);
|
|
|
|
VOID
|
|
FASTCALL
|
|
VfPacketDereference(
|
|
IN PIOV_REQUEST_PACKET IovPacket,
|
|
IN IOV_REFERENCE_TYPE IovRefType
|
|
);
|
|
|
|
PIOV_SESSION_DATA
|
|
FASTCALL
|
|
VfPacketGetCurrentSessionData(
|
|
IN PIOV_REQUEST_PACKET IovPacket
|
|
);
|
|
|
|
VOID
|
|
FASTCALL
|
|
VfPacketLogEntry(
|
|
IN PIOV_REQUEST_PACKET IovPacket,
|
|
IN IOV_LOG_EVENT IovLogEvent,
|
|
IN PVOID Address,
|
|
IN ULONG_PTR Data
|
|
);
|
|
|