mirror of https://github.com/tongzx/nt5src
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.
1359 lines
33 KiB
1359 lines
33 KiB
/*++
|
|
|
|
Copyright (c) 1999 Microsoft Corporation
|
|
|
|
Module Name:
|
|
|
|
vihal.h
|
|
|
|
Abstract:
|
|
|
|
This module contains the private declarations to verify hal usage & apis.
|
|
|
|
Author:
|
|
|
|
Jordan Tigani (jtigani) 12-Nov-1999
|
|
|
|
Revision History:
|
|
|
|
6-23-00: (jtigani) Moved from halverifier.c
|
|
|
|
--*/
|
|
|
|
|
|
/////////////////////////////////////////////////////////////////////
|
|
//////////////////////////////////////////////// Hal verifier defines
|
|
/////////////////////////////////////////////////////////////////////
|
|
|
|
|
|
|
|
//
|
|
// Bugcheck codes -- the major code is HAL_VERIFIER_DETECTED_VIOLATION --
|
|
// the sub-code is the HV_*
|
|
//
|
|
#define HAL_VERIFIER_DETECTED_VIOLATION 0xE6
|
|
|
|
#define HV_MISCELLANEOUS_ERROR 0x00
|
|
#define HV_PERFORMANCE_COUNTER_DECREASED 0x01
|
|
#define HV_PERFORMANCE_COUNTER_SKIPPED 0x02
|
|
#define HV_FREED_TOO_MANY_COMMON_BUFFERS 0x03
|
|
#define HV_FREED_TOO_MANY_ADAPTER_CHANNELS 0x04
|
|
#define HV_FREED_TOO_MANY_MAP_REGISTERS 0x05
|
|
#define HV_FREED_TOO_MANY_SCATTER_GATHER_LISTS 0x06
|
|
#define HV_LEFTOVER_COMMON_BUFFERS 0x07
|
|
#define HV_LEFTOVER_ADAPTER_CHANNELS 0x08
|
|
#define HV_LEFTOVER_MAP_REGISTERS 0x09
|
|
#define HV_LEFTOVER_SCATTER_GATHER_LISTS 0x0A
|
|
#define HV_TOO_MANY_ADAPTER_CHANNELS 0x0B
|
|
#define HV_TOO_MANY_MAP_REGISTERS 0x0C
|
|
#define HV_DID_NOT_FLUSH_ADAPTER_BUFFERS 0x0D
|
|
#define HV_DMA_BUFFER_NOT_LOCKED 0x0E
|
|
#define HV_BOUNDARY_OVERRUN 0x0F
|
|
#define HV_CANNOT_FREE_MAP_REGISTERS 0x10
|
|
#define HV_DID_NOT_PUT_ADAPTER 0x11
|
|
#define HV_MDL_FLAGS_NOT_SET 0x12
|
|
#define HV_BAD_IRQL 0x13
|
|
#define HV_BAD_IRQL_JUST_WARN 0x14
|
|
#define HV_OUT_OF_MAP_REGISTERS 0x15
|
|
#define HV_FLUSH_EMPTY_BUFFERS 0x16
|
|
#define HV_MISMATCHED_MAP_FLUSH 0x17
|
|
#define HV_ADAPTER_ALREADY_RELEASED 0x18
|
|
#define HV_NULL_DMA_ADAPTER 0x19
|
|
#define HV_MAP_FLUSH_NO_TRANSFER 0x1A
|
|
#define HV_ADDRESS_NOT_IN_MDL 0x1b
|
|
#define HV_DATA_LOSS 0x1c
|
|
#define HV_DOUBLE_MAP_REGISTER 0x1d
|
|
#define HV_OBSOLETE_API 0x1e
|
|
#define HV_BAD_MDL 0x1f
|
|
#define HV_FLUSH_NOT_MAPPED 0x20
|
|
#define HV_MAP_ZERO_LENGTH_BUFFER 0x21
|
|
|
|
///
|
|
// Codes to decide what to do when we hit a driver problem.
|
|
///
|
|
#define HVC_IGNORE 0x00 // Do nothing.
|
|
#define HVC_WARN 0x02 // Print message # continue
|
|
#define HVC_ASSERT 0x04 // Print message # break
|
|
#define HVC_BUGCHECK 0x08 // Print message # bugcheck
|
|
#define HVC_ONCE 0x10 // combined with another code,
|
|
|
|
#define HAL_VERIFIER_POOL_TAG 'VlaH' // HalV backwards //
|
|
|
|
//
|
|
// This is how we can recognize our double buffers
|
|
//
|
|
#define MAP_REGISTER_FILL_CHAR 0x0E
|
|
#define PADDING_FILL_CHAR 0x0F
|
|
|
|
|
|
//
|
|
// Since we hook the "MapRegisterBase" with a MapRegisterFile, we sign
|
|
// the first four bytes so we can tell the difference between the HAL's
|
|
// map register base and our map register file.
|
|
//
|
|
#define MRF_SIGNATURE 0xACEFD00D
|
|
|
|
//
|
|
// This is what we use if the hal has returned a NULL map register base so
|
|
// that drivers don't assume that they don't have flush adapter buffers.
|
|
//
|
|
#define MRF_NULL_PLACEHOLDER (PVOID)(LONG_PTR)(LONG)0xDEADF00D
|
|
|
|
//
|
|
// This should devide evenly into 2^32
|
|
//
|
|
#define MAX_COUNTERS 0x20
|
|
|
|
//
|
|
// Flags to indicate where the buffer tagging shall happen
|
|
//
|
|
#define TAG_BUFFER_START 0x01
|
|
#define TAG_BUFFER_END 0x02
|
|
|
|
//
|
|
// How many map registers we can double-buffer at once
|
|
// using physical contiguous memory.
|
|
// This must be an integral multiple of the number of bits in a ULONG
|
|
//
|
|
#define MAX_CONTIGUOUS_MAP_REGISTERS 0x20
|
|
|
|
//
|
|
// Flags that describe a map register
|
|
//
|
|
#define MAP_REGISTER_WRITE 0x01 // the transfer is a write to device
|
|
#define MAP_REGISTER_READ 0x02 // the transfer is a read from device
|
|
|
|
#define MAP_REGISTER_RW_MASK (MAP_REGISTER_WRITE | MAP_REGISTER_READ)
|
|
|
|
/////////////////////////////////////////////////////////////////////
|
|
//////////////////////// Safe multi-processor 64 bit reads and writes
|
|
/////////////////////////////////////////////////////////////////////
|
|
|
|
#if defined (_X86_)
|
|
|
|
//
|
|
// Only save the time stamp counter on x86 machines
|
|
//
|
|
#define ViRdtsc ViRdtscX86
|
|
|
|
//
|
|
// Structure to do a locked 64 bit write /compare without
|
|
// a spinlock.
|
|
//
|
|
typedef struct _TIMER64 {
|
|
ULONG TimeLow;
|
|
ULONG TimeHigh1;
|
|
ULONG TimeHigh2;
|
|
ULONG Reserved; // for packing sake //
|
|
} TIMER64, *PTIMER64;
|
|
|
|
//
|
|
// Since we can't do a 64 bit atomic operation
|
|
// without a spinlock, we have to monkey around a bit
|
|
// This method comes from the acpi timer code.
|
|
//
|
|
#define SAFE_READ_TIMER64(WriteLargeInteger, ReadTimer64) \
|
|
\
|
|
while (TRUE) { \
|
|
(WriteLargeInteger).HighPart = (ReadTimer64).TimeHigh2; \
|
|
(WriteLargeInteger).LowPart = (ReadTimer64).TimeLow; \
|
|
\
|
|
if ((ULONG)(WriteLargeInteger).HighPart == (ReadTimer64).TimeHigh1) \
|
|
break; \
|
|
\
|
|
_asm { rep nop }; \
|
|
}
|
|
|
|
#define SAFE_WRITE_TIMER64(WriteTimer64, ReadLargeInteger) \
|
|
WriteTimer64.TimeHigh1 = (ReadLargeInteger).HighPart; \
|
|
WriteTimer64.TimeLow = (ReadLargeInteger).LowPart; \
|
|
WriteTimer64.TimeHigh2 = (ReadLargeInteger).HighPart;
|
|
|
|
// defined (_X86_) //
|
|
#else
|
|
// ! defined (_X86_) //
|
|
|
|
#if defined(_IA64_)
|
|
#define ViRdtsc ViRdtscIA64
|
|
#else // !_IA64_
|
|
//
|
|
// Only save the time stamp counter on x86 and ia64 machines
|
|
//
|
|
#define ViRdtsc ViRdtscNull
|
|
#endif // !_IA64_
|
|
|
|
//
|
|
// Alpha or IA64 can do atomic 64 bit read/writes.
|
|
//
|
|
typedef LARGE_INTEGER TIMER64;
|
|
|
|
|
|
#define SAFE_READ_TIMER64(WriteLargeInteger, ReadTimer64) \
|
|
InterlockedExchangePointer( \
|
|
&((PVOID) (WriteLargeInteger).QuadPart ), \
|
|
(PVOID) (ReadTimer64).QuadPart \
|
|
);
|
|
#define SAFE_WRITE_TIMER64(WriteTimer64, ReadLargeInteger) \
|
|
InterlockedExchangePointer( \
|
|
&((PVOID) (WriteTimer64).QuadPart ), \
|
|
(PVOID) (ReadLargeInteger).QuadPart \
|
|
);
|
|
|
|
// ! defined (_X86_) //
|
|
#endif
|
|
|
|
|
|
|
|
/////////////////////////////////////////////////////////////////////
|
|
///////////////////////////////////////// Hal verifier global externs
|
|
/////////////////////////////////////////////////////////////////////
|
|
|
|
extern ULONG VfVerifyDma;
|
|
extern LOGICAL VfVerifyPerformanceCounter;
|
|
extern LOGICAL ViDoubleBufferDma;
|
|
extern LOGICAL ViProtectBuffers;
|
|
extern LOGICAL ViInjectDmaFailures;
|
|
extern LOGICAL ViSuperDebug;
|
|
extern LOGICAL ViSufficientlyBootedForPcControl;
|
|
extern LOGICAL ViSufficientlyBootedForDmaFailure;
|
|
extern ULONG ViMaxMapRegistersPerAdapter;
|
|
extern ULONG ViAllocationsFailedDeliberately;
|
|
extern LARGE_INTEGER ViRequiredTimeSinceBoot;
|
|
extern CHAR ViDmaVerifierTag[];
|
|
extern BOOLEAN ViPenalties[];
|
|
|
|
extern struct _HAL_VERIFIER_LOCKED_LIST ViAdapterList;
|
|
extern struct _VF_TIMER_INFORMATION * ViTimerInformation;
|
|
extern struct _DMA_OPERATIONS ViDmaOperations;
|
|
extern struct _DMA_OPERATIONS ViLegacyDmaOperations;
|
|
|
|
|
|
|
|
/////////////////////////////////////////////////////////////////////
|
|
////////////////////////////////// Hal verifier structure definitions
|
|
/////////////////////////////////////////////////////////////////////
|
|
|
|
typedef struct _TIMER_TICK {
|
|
ULONG Processor;
|
|
ULONG Reserved;
|
|
LARGE_INTEGER TimeStampCounter;
|
|
LARGE_INTEGER PerformanceCounter;
|
|
LARGE_INTEGER TimerTick;
|
|
} TIMER_TICK, *PTIMER_TICK;
|
|
|
|
typedef struct _VF_TIMER_INFORMATION {
|
|
KDPC RefreshDpc;
|
|
KTIMER RefreshTimer;
|
|
|
|
TIMER64 LastPerformanceCounter;
|
|
TIMER64 UpperBound;
|
|
TIMER64 LastTickCount;
|
|
TIMER64 LastKdStartTime;
|
|
|
|
LARGE_INTEGER PerformanceFrequency;
|
|
|
|
ULONG CountsPerTick;
|
|
|
|
ULONG CurrentCounter;
|
|
TIMER_TICK SavedTicks[MAX_COUNTERS];
|
|
|
|
|
|
} VF_TIMER_INFORMATION, *PVF_TIMER_INFORMATION;
|
|
|
|
|
|
typedef struct _HAL_VERIFIER_LOCKED_LIST {
|
|
LIST_ENTRY ListEntry;
|
|
KSPIN_LOCK SpinLock;
|
|
} HAL_VERIFIER_LOCKED_LIST, *PHAL_VERIFIER_LOCKED_LIST;
|
|
|
|
|
|
typedef struct _HAL_VERIFIER_BUFFER {
|
|
USHORT PrePadBytes;
|
|
USHORT PostPadBytes;
|
|
|
|
ULONG RealLength;
|
|
ULONG AdvertisedLength;
|
|
|
|
PVOID RealStartAddress;
|
|
PVOID AdvertisedStartAddress;
|
|
|
|
PHYSICAL_ADDRESS RealLogicalStartAddress;
|
|
|
|
PVOID AllocatorAddress;
|
|
|
|
LIST_ENTRY ListEntry;
|
|
} HAL_VERIFIER_BUFFER, *PHAL_VERIFIER_BUFFER;
|
|
|
|
typedef struct _MAP_REGISTER {
|
|
PVOID MappedToSa;
|
|
ULONG BytesMapped;
|
|
ULONG Flags;
|
|
PVOID MapRegisterStart;
|
|
|
|
} MAP_REGISTER, *PMAP_REGISTER;
|
|
|
|
typedef struct _MAP_REGISTER_FILE {
|
|
ULONG Signature;
|
|
LIST_ENTRY ListEntry;
|
|
BOOLEAN ContiguousMap;
|
|
BOOLEAN ScatterGather;
|
|
ULONG NumberOfMapRegisters;
|
|
ULONG NumberOfRegistersMapped;
|
|
|
|
PVOID MapRegisterBaseFromHal;
|
|
PMDL MapRegisterMdl;
|
|
PVOID MapRegisterBuffer;
|
|
KSPIN_LOCK AllocationLock;
|
|
MAP_REGISTER MapRegisters[1];
|
|
|
|
// Rest of the map registers go here
|
|
//
|
|
} MAP_REGISTER_FILE, *PMAP_REGISTER_FILE;
|
|
|
|
|
|
typedef struct _VF_WAIT_CONTEXT_BLOCK {
|
|
PVOID RealContext;
|
|
PVOID RealCallback;
|
|
PMDL RealMdl;
|
|
PVOID RealStartVa;
|
|
ULONG RealLength;
|
|
|
|
ULONG NumberOfMapRegisters;
|
|
|
|
struct _ADAPTER_INFORMATION * AdapterInformation;
|
|
|
|
PSCATTER_GATHER_LIST ScatterGatherList;
|
|
LIST_ENTRY ListEntry;
|
|
|
|
PMAP_REGISTER_FILE MapRegisterFile;
|
|
|
|
|
|
} VF_WAIT_CONTEXT_BLOCK, *PVF_WAIT_CONTEXT_BLOCK;
|
|
|
|
|
|
//
|
|
// Store a list of the real dma operations used by an adapter ...
|
|
// when the driver allocates the adapter, we're going to replace all of its
|
|
// dma operations with ours
|
|
//
|
|
typedef struct _ADAPTER_INFORMATION {
|
|
LIST_ENTRY ListEntry;
|
|
PDMA_ADAPTER DmaAdapter;
|
|
PDEVICE_OBJECT DeviceObject;
|
|
|
|
BOOLEAN DeferredRemove;
|
|
BOOLEAN UseContiguousBuffers;
|
|
BOOLEAN UseDmaChannel;
|
|
BOOLEAN Inactive;
|
|
|
|
PVOID CallingAddress;
|
|
|
|
PDMA_OPERATIONS RealDmaOperations;
|
|
|
|
HAL_VERIFIER_LOCKED_LIST ScatterGatherLists;
|
|
HAL_VERIFIER_LOCKED_LIST CommonBuffers;
|
|
HAL_VERIFIER_LOCKED_LIST MapRegisterFiles;
|
|
|
|
ULONG MaximumMapRegisters;
|
|
|
|
ULONG AllocatedMapRegisters;
|
|
LONG ActiveMapRegisters;
|
|
|
|
ULONG AllocatedScatterGatherLists;
|
|
LONG ActiveScatterGatherLists;
|
|
|
|
ULONG AllocatedCommonBuffers;
|
|
ULONG FreedCommonBuffers;
|
|
|
|
ULONG AllocatedAdapterChannels; // Must be 1 or less ! //
|
|
ULONG FreedAdapterChannels;
|
|
|
|
ULONG MappedTransferWithoutFlushing;
|
|
DEVICE_DESCRIPTION DeviceDescription;
|
|
|
|
ULONG AdapterChannelMapRegisters;
|
|
|
|
VF_WAIT_CONTEXT_BLOCK AdapterChannelContextBlock;
|
|
|
|
PVOID *ContiguousBuffers; // array of contiguous 3-page buffers to be used for double-buffering
|
|
|
|
ULONG SuccessfulContiguousAllocations; // how many times we allocated contiguous space
|
|
ULONG FailedContiguousAllocations; // how many times we failed to allocate contiguous space
|
|
|
|
KSPIN_LOCK AllocationLock; // lock for our allocator routines
|
|
|
|
ULONG AllocationStorage[MAX_CONTIGUOUS_MAP_REGISTERS / (sizeof(ULONG) * 8)]; // bitmask for allocator routines
|
|
|
|
RTL_BITMAP AllocationMap;
|
|
|
|
ULONG ContiguousMapRegisters; // allocated among ContiguousBufers
|
|
ULONG NonContiguousMapRegisters; // allocated from non-Paged Pool
|
|
|
|
|
|
} ADAPTER_INFORMATION, *PADAPTER_INFORMATION;
|
|
|
|
|
|
|
|
/////////////////////////////////////////////////////////////////////
|
|
////////////////////////////////// Hal verifier function declarations
|
|
/////////////////////////////////////////////////////////////////////
|
|
|
|
|
|
//==========================
|
|
// Declare our dma apis here
|
|
// if NO_LEGACY_DRIVERS *is*
|
|
// enabled
|
|
// =========================
|
|
|
|
#if defined(NO_LEGACY_DRIVERS)
|
|
VOID
|
|
VfPutDmaAdapter(
|
|
struct _DMA_ADAPTER * DmaAdapter
|
|
);
|
|
|
|
|
|
PVOID
|
|
VfAllocateCommonBuffer(
|
|
IN struct _DMA_ADAPTER * DmaAdapter,
|
|
IN ULONG Length,
|
|
OUT PPHYSICAL_ADDRESS LogicalAddress,
|
|
IN BOOLEAN CacheEnabled
|
|
);
|
|
|
|
VOID
|
|
VfFreeCommonBuffer(
|
|
IN struct _DMA_ADAPTER * DmaAdapter,
|
|
IN ULONG Length,
|
|
IN PHYSICAL_ADDRESS LogicalAddress,
|
|
IN PVOID VirtualAddress,
|
|
IN BOOLEAN CacheEnabled
|
|
);
|
|
|
|
NTSTATUS
|
|
VfAllocateAdapterChannel(
|
|
IN struct _DMA_ADAPTER * DmaAdapter,
|
|
IN PDEVICE_OBJECT DeviceObject,
|
|
IN ULONG NumberOfMapRegisters,
|
|
IN PDRIVER_CONTROL ExecutionRoutine,
|
|
IN PVOID Context
|
|
);
|
|
|
|
PHYSICAL_ADDRESS
|
|
VfMapTransfer(
|
|
IN struct _DMA_ADAPTER * DmaAdapter,
|
|
IN PMDL Mdl,
|
|
IN PVOID MapRegisterBase,
|
|
IN PVOID CurrentVa,
|
|
IN OUT PULONG Length,
|
|
IN BOOLEAN WriteToDevice
|
|
);
|
|
|
|
BOOLEAN
|
|
VfFlushAdapterBuffers(
|
|
IN struct _DMA_ADAPTER * DmaAdapter,
|
|
IN PMDL Mdl,
|
|
IN PVOID MapRegisterBase,
|
|
IN PVOID CurrentVa,
|
|
IN ULONG Length,
|
|
IN BOOLEAN WriteToDevice
|
|
);
|
|
|
|
VOID
|
|
VfFreeAdapterChannel(
|
|
IN struct _DMA_ADAPTER * DmaAdapter
|
|
);
|
|
|
|
VOID
|
|
VfFreeMapRegisters(
|
|
IN struct _DMA_ADAPTER * DmaAdapter,
|
|
PVOID MapRegisterBase,
|
|
ULONG NumberOfMapRegisters
|
|
);
|
|
|
|
ULONG
|
|
VfGetDmaAlignment(
|
|
IN struct _DMA_ADAPTER * DmaAdapter
|
|
);
|
|
|
|
|
|
ULONG
|
|
VfReadDmaCounter(
|
|
IN struct _DMA_ADAPTER * DmaAdapter
|
|
);
|
|
|
|
NTSTATUS
|
|
VfGetScatterGatherList (
|
|
IN struct _DMA_ADAPTER * DmaAdapter,
|
|
IN PDEVICE_OBJECT DeviceObject,
|
|
IN PMDL Mdl,
|
|
IN PVOID CurrentVa,
|
|
IN ULONG Length,
|
|
IN PVOID ExecutionRoutine,
|
|
IN PVOID Context,
|
|
IN BOOLEAN WriteToDevice
|
|
);
|
|
|
|
VOID
|
|
VfPutScatterGatherList(
|
|
IN struct _DMA_ADAPTER * DmaAdapter,
|
|
IN struct _SCATTER_GATHER_LIST * ScatterGather,
|
|
IN BOOLEAN WriteToDevice
|
|
);
|
|
|
|
#endif
|
|
|
|
|
|
// =====================
|
|
// New verified dma apis
|
|
// =====================
|
|
|
|
|
|
NTSTATUS
|
|
VfCalculateScatterGatherListSize(
|
|
IN PDMA_ADAPTER DmaAdapter,
|
|
IN OPTIONAL PMDL Mdl,
|
|
IN PVOID CurrentVa,
|
|
IN ULONG Length,
|
|
OUT PULONG ScatterGatherListSize,
|
|
OUT OPTIONAL PULONG pNumberOfMapRegisters
|
|
);
|
|
|
|
NTSTATUS
|
|
VfBuildScatterGatherList(
|
|
IN PDMA_ADAPTER DmaAdapter,
|
|
IN PDEVICE_OBJECT DeviceObject,
|
|
IN PMDL Mdl,
|
|
IN PVOID CurrentVa,
|
|
IN ULONG Length,
|
|
IN PDRIVER_LIST_CONTROL ExecutionRoutine,
|
|
IN PVOID Context,
|
|
IN BOOLEAN WriteToDevice,
|
|
IN PVOID ScatterGatherBuffer,
|
|
IN ULONG ScatterGatherLength
|
|
);
|
|
|
|
NTSTATUS
|
|
VfBuildMdlFromScatterGatherList(
|
|
IN PDMA_ADAPTER DmaAdapter,
|
|
IN PSCATTER_GATHER_LIST ScatterGather,
|
|
IN PMDL OriginalMdl,
|
|
OUT PMDL *TargetMdl
|
|
);
|
|
|
|
IO_ALLOCATION_ACTION
|
|
VfAdapterCallback(
|
|
IN PDEVICE_OBJECT DeviceObject,
|
|
IN PIRP Irp,
|
|
IN PVOID MapRegisterBase,
|
|
IN PVOID Context
|
|
);
|
|
|
|
VOID
|
|
VfScatterGatherCallback(
|
|
IN struct _DEVICE_OBJECT *DeviceObject,
|
|
IN struct _IRP *Irp,
|
|
IN struct _SCATTER_GATHER_LIST * ScatterGather,
|
|
IN PVOID Context
|
|
);
|
|
|
|
|
|
|
|
|
|
// ==============================
|
|
// Hal verifier internal routines
|
|
// ==============================
|
|
|
|
PADAPTER_INFORMATION
|
|
ViHookDmaAdapter(
|
|
IN PDMA_ADAPTER DmaAdapter,
|
|
IN PDEVICE_DESCRIPTION DeviceDescription,
|
|
IN ULONG NumberOfMapRegisters
|
|
);
|
|
|
|
VOID
|
|
ViReleaseDmaAdapter(
|
|
IN PADAPTER_INFORMATION AdapterInformation
|
|
);
|
|
|
|
PADAPTER_INFORMATION
|
|
ViGetAdapterInformation(
|
|
IN PDMA_ADAPTER DmaAdapter
|
|
);
|
|
|
|
PVOID
|
|
ViGetRealDmaOperation(
|
|
IN PDMA_ADAPTER DmaAdapter,
|
|
IN ULONG AdapterInformationOffset
|
|
);
|
|
|
|
LARGE_INTEGER
|
|
ViRdtsc(
|
|
VOID
|
|
);
|
|
|
|
VOID
|
|
VfInitializeTimerInformation(
|
|
VOID
|
|
);
|
|
|
|
VOID
|
|
ViRefreshCallback(
|
|
IN PKDPC Dpc,
|
|
IN PVOID DeferredContext,
|
|
IN PVOID SystemArgument1,
|
|
IN PVOID SystemArgument2
|
|
);
|
|
|
|
LOGICAL
|
|
VfInjectDmaFailure (
|
|
VOID
|
|
);
|
|
|
|
|
|
// =================================================
|
|
// Hal verfier special routines to track allocations
|
|
// =================================================
|
|
|
|
PVOID
|
|
ViSpecialAllocateCommonBuffer(
|
|
IN PALLOCATE_COMMON_BUFFER AllocateCommonBuffer,
|
|
IN PADAPTER_INFORMATION AdapterInformation,
|
|
IN PVOID CallingAddress,
|
|
IN ULONG Length,
|
|
IN OUT PPHYSICAL_ADDRESS LogicalAddress,
|
|
IN LOGICAL CacheEnabled
|
|
);
|
|
LOGICAL
|
|
ViSpecialFreeCommonBuffer(
|
|
IN PFREE_COMMON_BUFFER FreeCommonBuffer,
|
|
IN PADAPTER_INFORMATION AdapterInformation,
|
|
IN PVOID CommonBuffer,
|
|
LOGICAL CacheEnabled
|
|
);
|
|
|
|
// ===================================================
|
|
// Hal verfier special routines to do double buffering
|
|
// ===================================================
|
|
|
|
PMAP_REGISTER_FILE
|
|
ViAllocateMapRegisterFile(
|
|
IN PADAPTER_INFORMATION AdapterInformation,
|
|
IN ULONG NumberOfMapRegisters
|
|
);
|
|
LOGICAL
|
|
ViFreeMapRegisterFile(
|
|
IN PADAPTER_INFORMATION AdapterInformation,
|
|
IN PMAP_REGISTER_FILE MapRegisterFile
|
|
);
|
|
|
|
ULONG
|
|
ViMapDoubleBuffer(
|
|
IN PMAP_REGISTER_FILE MapRegisterFile,
|
|
IN OUT PMDL Mdl,
|
|
IN OUT PVOID CurrentVa,
|
|
IN ULONG Length,
|
|
IN BOOLEAN WriteToDevice
|
|
);
|
|
|
|
LOGICAL
|
|
ViFlushDoubleBuffer(
|
|
IN PMAP_REGISTER_FILE MapRegisterFile,
|
|
IN PMDL Mdl,
|
|
IN PVOID CurrentVa,
|
|
IN ULONG Length,
|
|
IN BOOLEAN WriteToDevice
|
|
);
|
|
|
|
LOGICAL
|
|
ViAllocateMapRegistersFromFile(
|
|
IN PMAP_REGISTER_FILE MapRegisterFile,
|
|
IN PVOID CurrentSa,
|
|
IN ULONG Length,
|
|
IN BOOLEAN WriteToDevice,
|
|
OUT PULONG MapRegisterNumber
|
|
);
|
|
|
|
|
|
LOGICAL
|
|
ViFreeMapRegistersToFile(
|
|
IN PMAP_REGISTER_FILE MapRegisterFile,
|
|
IN PVOID CurrentSa,
|
|
IN ULONG Length
|
|
);
|
|
|
|
PMAP_REGISTER
|
|
ViFindMappedRegisterInFile(
|
|
IN PMAP_REGISTER_FILE MapRegisterFile,
|
|
IN PVOID CurrentSa,
|
|
OUT PULONG MapRegisterNumber OPTIONAL
|
|
);
|
|
|
|
LOGICAL
|
|
ViSwap(IN OUT PVOID * MapRegisterBase,
|
|
IN OUT PMDL * Mdl,
|
|
IN OUT PVOID * CurrentVa
|
|
);
|
|
|
|
VOID
|
|
ViCheckAdapterBuffers(
|
|
IN PADAPTER_INFORMATION AdapterInformation
|
|
);
|
|
|
|
VOID
|
|
ViTagBuffer(
|
|
IN PVOID AdvertisedBuffer,
|
|
IN ULONG AdvertisedLength,
|
|
IN USHORT WhereToTag
|
|
);
|
|
|
|
VOID
|
|
ViCheckTag(
|
|
IN PVOID AdvertisedBuffer,
|
|
IN ULONG AdvertisedLength,
|
|
IN BOOLEAN RemoveTag,
|
|
IN USHORT WhereToCheck
|
|
);
|
|
|
|
|
|
VOID
|
|
ViInitializePadding(
|
|
IN PVOID RealBufferStart,
|
|
IN ULONG RealBufferLength,
|
|
IN PVOID AdvertisedBufferStart, OPTIONAL
|
|
IN ULONG AdvertisedBufferLength OPTIONAL
|
|
);
|
|
|
|
VOID
|
|
ViCheckPadding(
|
|
IN PVOID RealBufferStart,
|
|
IN ULONG RealBufferLength,
|
|
IN PVOID AdvertisedBufferStart, OPTIONAL
|
|
IN ULONG AdvertisedBufferLength OPTIONAL
|
|
);
|
|
|
|
PULONG_PTR
|
|
ViHasBufferBeenTouched(
|
|
IN PVOID Address,
|
|
IN ULONG_PTR Length,
|
|
IN UCHAR ExpectedFillChar
|
|
);
|
|
|
|
VOID
|
|
VfAssert(
|
|
IN LOGICAL Condition,
|
|
IN ULONG Code,
|
|
IN OUT PULONG Enable
|
|
);
|
|
|
|
VOID
|
|
ViMapTransferHelper(
|
|
IN PMDL Mdl,
|
|
IN PVOID CurrentVa,
|
|
IN ULONG TransferLength,
|
|
IN PULONG PageFrame,
|
|
IN OUT PULONG Length
|
|
);
|
|
|
|
VOID
|
|
ViCommonBufferCalculatePadding(
|
|
IN ULONG Length,
|
|
OUT PULONG PrePadding,
|
|
OUT PULONG PostPadding
|
|
);
|
|
|
|
VOID
|
|
ViAllocateContiguousMemory (
|
|
IN OUT PADAPTER_INFORMATION AdapterInformation
|
|
);
|
|
|
|
PVOID
|
|
ViAllocateFromContiguousMemory (
|
|
IN OUT PADAPTER_INFORMATION AdapterInformation,
|
|
IN ULONG HintIndex
|
|
);
|
|
|
|
LOGICAL
|
|
ViFreeToContiguousMemory (
|
|
IN OUT PADAPTER_INFORMATION AdapterInformation,
|
|
IN PVOID Address,
|
|
IN ULONG HintIndex
|
|
);
|
|
|
|
LOGICAL
|
|
VfIsPCIBus (
|
|
IN PDEVICE_OBJECT PhysicalDeviceObject
|
|
);
|
|
|
|
PDEVICE_OBJECT
|
|
VfGetPDO (
|
|
IN PDEVICE_OBJECT DeviceObject
|
|
);
|
|
|
|
|
|
/////////////////////////////////////////////////////////////////////
|
|
///////////////////////////////////////////////// Hal verifier macros
|
|
/////////////////////////////////////////////////////////////////////
|
|
|
|
//
|
|
// This is a kind of long macro but it lets us decide what to
|
|
// do on certain kinds of errors. For instance, if we know
|
|
// we are going to hit something once, we might set it to
|
|
// HVC_WARN. Or if we know we will hit it 1000 times, but don't
|
|
// want to take the code out completely (especially if we're doing
|
|
// it on the fly), we can set it to HVC_IGNORE
|
|
//
|
|
#define VF_ASSERT(condition, code, message) \
|
|
{ \
|
|
static ULONG enable = (ULONG) -1; \
|
|
if (enable == (ULONG) -1) \
|
|
enable = ViPenalties[code]; \
|
|
if (!(condition) && enable) \
|
|
{ \
|
|
DbgPrint("* * * * * * * * HAL Verifier Detected Violation * * * * * * * *\n");\
|
|
DbgPrint("* *\n"); \
|
|
DbgPrint("* * VF: "); \
|
|
DbgPrint message; \
|
|
DbgPrint("\n"); \
|
|
DbgPrint("* *\n"); \
|
|
DbgPrint("* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *\n");\
|
|
\
|
|
VfAssert(condition, code, &enable); \
|
|
} \
|
|
}
|
|
|
|
//
|
|
// Old favorite:
|
|
//
|
|
// Control macro (used like a for loop) which iterates over all entries in
|
|
// a standard doubly linked list. Head is the list head and the entries
|
|
// are of type Type. A member called ListEntry is assumed to be the
|
|
// LIST_ENTRY structure linking the entries together. Current contains a
|
|
// pointer to each entry in turn.
|
|
//
|
|
#define FOR_ALL_IN_LIST(Type, Head, Current) \
|
|
for((Current) = CONTAINING_RECORD((Head)->Flink, Type, ListEntry); \
|
|
(Head) != &(Current)->ListEntry; \
|
|
(Current) = CONTAINING_RECORD((Current)->ListEntry.Flink, \
|
|
Type, \
|
|
ListEntry) \
|
|
)
|
|
|
|
|
|
#ifndef MIN
|
|
#define MIN(a,b) ( ( (ULONG) (a)<(ULONG) (b))?(a):(b) )
|
|
#endif
|
|
|
|
#define NOP
|
|
|
|
|
|
#define VF_INITIALIZE_LOCKED_LIST(LockedList) \
|
|
KeInitializeSpinLock(&(LockedList)->SpinLock); \
|
|
InitializeListHead(&(LockedList)->ListEntry);
|
|
|
|
#define VF_LOCK_LIST(ListToLock, OldIrql) \
|
|
KeAcquireSpinLock(&(ListToLock)->SpinLock, &OldIrql)
|
|
|
|
#define VF_UNLOCK_LIST(ListToUnlock, OldIrql) \
|
|
KeReleaseSpinLock(&(ListToUnlock)->SpinLock, OldIrql)
|
|
|
|
|
|
#define VF_IS_LOCKED_LIST_EMPTY(LockedList) \
|
|
IsListEmpty( &(LockedList)->ListEntry )
|
|
|
|
#define VF_ADD_TO_LOCKED_LIST(LockedList, AddMe) \
|
|
ExInterlockedInsertHeadList( \
|
|
&(LockedList)->ListEntry, \
|
|
&(AddMe)->ListEntry, \
|
|
&(LockedList)->SpinLock )
|
|
|
|
#define VF_REMOVE_FROM_LOCKED_LIST(LockedList, RemoveMe) \
|
|
{ \
|
|
KIRQL OldIrql; \
|
|
VF_LOCK_LIST((LockedList), OldIrql); \
|
|
RemoveEntryList(&(RemoveMe)->ListEntry); \
|
|
VF_UNLOCK_LIST((LockedList), OldIrql); \
|
|
}
|
|
|
|
#define VF_REMOVE_FROM_LOCKED_LIST_DONT_LOCK(LockedList, RemoveMe) \
|
|
RemoveEntryList(&(RemoveMe)->ListEntry);
|
|
|
|
|
|
//
|
|
// This is a bit of a hack so that reference counting for adapters will work.
|
|
// If the device uses a dma channel, the HAL wants to keep it around.
|
|
// There is a bit of funky logic that goes on to determine whether
|
|
// a device uses an adapter channel so I've included it here, free of
|
|
// charge.
|
|
//
|
|
#define VF_DOES_DEVICE_USE_DMA_CHANNEL(deviceDescription) \
|
|
( \
|
|
( (deviceDescription)->InterfaceType == Isa && \
|
|
(deviceDescription)->DmaChannel < 8 ) || \
|
|
! (deviceDescription)->Master )
|
|
|
|
#define VF_DOES_DEVICE_REQUIRE_CONTIGUOUS_BUFFERS(deviceDescription) \
|
|
( !(deviceDescription)->Master || ! (deviceDescription)->ScatterGather )
|
|
|
|
|
|
|
|
#define DMA_OFFSET(DmaOperationsField) \
|
|
FIELD_OFFSET(DMA_OPERATIONS, DmaOperationsField)
|
|
|
|
#define DMA_INDEX(DmaOperations, Offset) \
|
|
(PVOID) \
|
|
*( (PVOID *) \
|
|
( ( (PUCHAR) (DmaOperations) ) + \
|
|
(Offset) ) )
|
|
|
|
|
|
#define SIGN_MAP_REGISTER_FILE(MapRegisterFile) \
|
|
(MapRegisterFile)->Signature = MRF_SIGNATURE;
|
|
|
|
#define VALIDATE_MAP_REGISTER_FILE_SIGNATURE(MapRegisterFile ) \
|
|
((MapRegisterFile) && (MapRegisterFile)->Signature == MRF_SIGNATURE )
|
|
|
|
|
|
|
|
//
|
|
// System dependent way to get the caller's address
|
|
//
|
|
#if defined(_X86_)
|
|
|
|
#define GET_CALLING_ADDRESS(CallingAddress) \
|
|
{ \
|
|
PVOID callersCaller; \
|
|
RtlGetCallersAddress(&CallingAddress, &callersCaller); \
|
|
}
|
|
#else // ! defined(_X86_) //
|
|
|
|
#define GET_CALLING_ADDRESS(CallingAddress) \
|
|
CallingAddress = (PVOID)_ReturnAddress();
|
|
#endif // ! defined(_X86_)
|
|
|
|
|
|
//
|
|
// From a map register file, map register number and the corresponding system address,
|
|
// return the corresponding mapped address in system space.
|
|
//
|
|
#define MAP_REGISTER_SYSTEM_ADDRESS(MapRegisterFile, DriverCurrentSa, MapRegisterNumber) \
|
|
(PUCHAR) (MapRegisterFile)->MapRegisterBuffer + \
|
|
( (MapRegisterNumber) << PAGE_SHIFT ) + \
|
|
BYTE_OFFSET(DriverCurrentSa)
|
|
|
|
|
|
//
|
|
// From a map register file, map register number and the corresponding system address,
|
|
// return the corresponding mapped address as an index into the map register file's
|
|
// MDL (i.e virtual address).
|
|
//
|
|
|
|
#define MAP_REGISTER_VIRTUAL_ADDRESS(MapRegisterFile, DriverCurrentSa, MapRegisterNumber) \
|
|
(PUCHAR) MmGetMdlVirtualAddress((MapRegisterFile)->MapRegisterMdl) + \
|
|
( (MapRegisterNumber) << PAGE_SHIFT ) + \
|
|
BYTE_OFFSET(DriverCurrentSa)
|
|
|
|
|
|
|
|
/////////////////////////////////////////////////////////////////////
|
|
//////////////////////////// Hal verifier inline function definitions
|
|
/////////////////////////////////////////////////////////////////////
|
|
|
|
//
|
|
// Since so many people don't raise the irql when they put the dma adapter,
|
|
// just warn them.
|
|
//
|
|
|
|
__inline
|
|
VOID
|
|
VF_ASSERT_SPECIAL_IRQL(IN KIRQL Irql)
|
|
{
|
|
|
|
KIRQL currentIrql = KeGetCurrentIrql();
|
|
VF_ASSERT(
|
|
currentIrql == Irql,
|
|
HV_BAD_IRQL_JUST_WARN,
|
|
("**** Bad IRQL -- needed %x, got %x ****",
|
|
(ULONG) Irql, (ULONG) currentIrql)
|
|
);
|
|
|
|
} // VF_ASSERT_IRQL //
|
|
|
|
|
|
__inline
|
|
VOID
|
|
VF_ASSERT_IRQL(IN KIRQL Irql)
|
|
{
|
|
KIRQL currentIrql = KeGetCurrentIrql();
|
|
VF_ASSERT(
|
|
currentIrql == Irql,
|
|
HV_BAD_IRQL,
|
|
("**** Bad IRQL -- needed %x, got %x ****",
|
|
(ULONG) Irql, (ULONG) currentIrql)
|
|
);
|
|
|
|
} // VF_ASSERT_IRQL //
|
|
|
|
__inline
|
|
VOID
|
|
VF_ASSERT_MAX_IRQL(IN KIRQL MaxIrql)
|
|
{
|
|
KIRQL currentIrql = KeGetCurrentIrql();
|
|
|
|
VF_ASSERT(
|
|
currentIrql <= MaxIrql,
|
|
HV_BAD_IRQL,
|
|
("**** Bad IRQL -- needed %x or less, got %x ****",
|
|
(ULONG) MaxIrql, (ULONG) currentIrql)
|
|
);
|
|
}
|
|
|
|
// =========================================
|
|
// Inlined functions to help with accounting
|
|
// =========================================
|
|
__inline
|
|
VOID
|
|
ADD_MAP_REGISTERS(
|
|
IN PADAPTER_INFORMATION AdapterInformation,
|
|
IN ULONG NumberOfMapRegisters,
|
|
IN BOOLEAN ScatterGather
|
|
)
|
|
{
|
|
ULONG activeMapRegisters =
|
|
InterlockedExchangeAdd(
|
|
&AdapterInformation->ActiveMapRegisters,
|
|
NumberOfMapRegisters
|
|
) + NumberOfMapRegisters;
|
|
|
|
InterlockedExchangeAdd((PLONG)(&AdapterInformation->AllocatedMapRegisters),
|
|
NumberOfMapRegisters);
|
|
|
|
VF_ASSERT(
|
|
NumberOfMapRegisters <= AdapterInformation->MaximumMapRegisters,
|
|
HV_TOO_MANY_MAP_REGISTERS,
|
|
( "Allocating too many map registers at a time: %x (max %x)",
|
|
NumberOfMapRegisters,
|
|
AdapterInformation->MaximumMapRegisters )
|
|
);
|
|
|
|
if (! ScatterGather ) {
|
|
VF_ASSERT(
|
|
activeMapRegisters <= AdapterInformation->MaximumMapRegisters,
|
|
HV_OUT_OF_MAP_REGISTERS,
|
|
( "Allocated too many map registers : %x (max %x)",
|
|
activeMapRegisters,
|
|
AdapterInformation->MaximumMapRegisters )
|
|
);
|
|
}
|
|
|
|
|
|
} // ADD_MAP_REGISTERS //
|
|
|
|
__inline
|
|
VOID
|
|
SUBTRACT_MAP_REGISTERS(
|
|
IN PADAPTER_INFORMATION AdapterInformation,
|
|
IN ULONG NumberOfMapRegisters
|
|
)
|
|
{
|
|
LONG activeMapRegisters =
|
|
InterlockedExchangeAdd(
|
|
&AdapterInformation->ActiveMapRegisters,
|
|
-((LONG) NumberOfMapRegisters)
|
|
) - NumberOfMapRegisters;
|
|
|
|
|
|
VF_ASSERT(
|
|
activeMapRegisters >= 0,
|
|
HV_FREED_TOO_MANY_MAP_REGISTERS,
|
|
( "Freed too many map registers: %x",
|
|
activeMapRegisters )
|
|
);
|
|
|
|
InterlockedExchange((PLONG)(&AdapterInformation->MappedTransferWithoutFlushing),
|
|
0);
|
|
|
|
} // SUBTRACT_MAP_REGISTERS //
|
|
|
|
|
|
__inline
|
|
VOID
|
|
INCREMENT_COMMON_BUFFERS(
|
|
IN PADAPTER_INFORMATION AdapterInformation
|
|
)
|
|
{
|
|
InterlockedIncrement((PLONG)(&AdapterInformation->AllocatedCommonBuffers) );
|
|
|
|
} // INCREMENT_COMMON_BUFFERS //
|
|
|
|
__inline
|
|
VOID
|
|
DECREMENT_COMMON_BUFFERS(
|
|
IN PADAPTER_INFORMATION AdapterInformation
|
|
)
|
|
{
|
|
ULONG commonBuffersFreed =
|
|
(ULONG) InterlockedIncrement(
|
|
(PLONG)(&AdapterInformation->FreedCommonBuffers) );
|
|
|
|
|
|
VF_ASSERT(
|
|
commonBuffersFreed <= AdapterInformation->AllocatedCommonBuffers,
|
|
HV_FREED_TOO_MANY_COMMON_BUFFERS,
|
|
("Freed too many common buffers")
|
|
);
|
|
|
|
} // DECREMENT_COMMON_BUFFERS //
|
|
|
|
__inline
|
|
VOID
|
|
INCREASE_MAPPED_TRANSFER_BYTE_COUNT(
|
|
IN PADAPTER_INFORMATION AdapterInformation,
|
|
IN ULONG Length
|
|
)
|
|
{
|
|
ULONG mappedTransferCount;
|
|
ULONG maxMappedTransfer;
|
|
|
|
maxMappedTransfer = AdapterInformation->ActiveMapRegisters << PAGE_SHIFT;
|
|
|
|
mappedTransferCount =
|
|
InterlockedExchangeAdd(
|
|
(PLONG)(&AdapterInformation->MappedTransferWithoutFlushing),
|
|
(LONG) Length
|
|
) + Length;
|
|
|
|
|
|
|
|
VF_ASSERT(
|
|
mappedTransferCount <= maxMappedTransfer,
|
|
HV_DID_NOT_FLUSH_ADAPTER_BUFFERS,
|
|
("Driver did not flush adapter buffers -- bytes mapped: %x (%x max)",
|
|
mappedTransferCount,
|
|
maxMappedTransfer
|
|
));
|
|
|
|
} // INCREASE_MAPPED_TRANSFER_BYTE_COUNT //
|
|
|
|
__inline
|
|
VOID
|
|
DECREASE_MAPPED_TRANSFER_BYTE_COUNT(
|
|
IN PADAPTER_INFORMATION AdapterInformation,
|
|
IN ULONG Length
|
|
)
|
|
{
|
|
UNREFERENCED_PARAMETER (Length);
|
|
|
|
InterlockedExchange(
|
|
(PLONG)(&AdapterInformation->MappedTransferWithoutFlushing),
|
|
0);
|
|
|
|
|
|
} // DECREASE_MAPPED_TRANSFER_BYTE_COUNT //
|
|
|
|
|
|
|
|
__inline
|
|
VOID
|
|
INCREMENT_ADAPTER_CHANNELS(
|
|
IN PADAPTER_INFORMATION AdapterInformation
|
|
)
|
|
{
|
|
|
|
ULONG allocatedAdapterChannels = (ULONG)
|
|
InterlockedIncrement(
|
|
(PLONG)(&AdapterInformation->AllocatedAdapterChannels) );
|
|
|
|
VF_ASSERT(
|
|
allocatedAdapterChannels ==
|
|
AdapterInformation->FreedAdapterChannels + 1,
|
|
HV_TOO_MANY_ADAPTER_CHANNELS,
|
|
( "Driver has allocated too many simultaneous adapter channels"
|
|
));
|
|
|
|
|
|
} // INCREMENT_ADAPTER_CHANNELS //
|
|
|
|
|
|
__inline
|
|
VOID
|
|
DECREMENT_ADAPTER_CHANNELS(
|
|
IN PADAPTER_INFORMATION AdapterInformation
|
|
)
|
|
{
|
|
ULONG adapterChannelsFreed = (ULONG)
|
|
InterlockedIncrement( (PLONG)(&AdapterInformation->FreedAdapterChannels) );
|
|
|
|
VF_ASSERT(
|
|
adapterChannelsFreed == AdapterInformation->AllocatedAdapterChannels,
|
|
HV_FREED_TOO_MANY_ADAPTER_CHANNELS,
|
|
( "Driver has freed too many simultaneous adapter channels"
|
|
));
|
|
|
|
} // DECREMENT_ADAPTER_CHANNELS //
|
|
|
|
|
|
_inline
|
|
VOID
|
|
INCREMENT_SCATTER_GATHER_LISTS(
|
|
IN PADAPTER_INFORMATION AdapterInformation
|
|
)
|
|
{
|
|
InterlockedIncrement( (PLONG)(&AdapterInformation->AllocatedScatterGatherLists) );
|
|
InterlockedIncrement( &AdapterInformation->ActiveScatterGatherLists);
|
|
|
|
} // INCREMENT_SCATTER_GATHER_LISTS //
|
|
|
|
__inline
|
|
VOID
|
|
DECREMENT_SCATTER_GATHER_LISTS (
|
|
IN PADAPTER_INFORMATION AdapterInformation
|
|
)
|
|
{
|
|
LONG activeScatterGatherLists = InterlockedDecrement(
|
|
&AdapterInformation->ActiveScatterGatherLists );
|
|
|
|
|
|
VF_ASSERT(
|
|
activeScatterGatherLists >= 0,
|
|
HV_FREED_TOO_MANY_SCATTER_GATHER_LISTS,
|
|
( "Driver has freed too many scatter gather lists %x allocated, %x freed",
|
|
AdapterInformation->AllocatedScatterGatherLists,
|
|
AdapterInformation->AllocatedScatterGatherLists -
|
|
activeScatterGatherLists)
|
|
);
|
|
|
|
} // DECREMENT_SCATTER_GATHER_LISTS //
|
|
|
|
__inline
|
|
VOID
|
|
VERIFY_BUFFER_LOCKED(
|
|
IN PMDL Mdl
|
|
)
|
|
{
|
|
VF_ASSERT(
|
|
MmAreMdlPagesLocked(Mdl),
|
|
HV_DMA_BUFFER_NOT_LOCKED,
|
|
( "DMA Pages Not Locked! MDL %p for DMA not locked", Mdl)
|
|
);
|
|
|
|
|
|
} // VERIFY_BUFFER_LOCKED //
|
|
|
|
|
|
|
|
__inline
|
|
PHAL_VERIFIER_BUFFER
|
|
VF_FIND_BUFFER (
|
|
IN PHAL_VERIFIER_LOCKED_LIST LockedList,
|
|
IN PVOID AdvertisedStartAddress
|
|
)
|
|
{
|
|
PHAL_VERIFIER_BUFFER verifierBuffer;
|
|
KIRQL OldIrql;
|
|
|
|
VF_LOCK_LIST(LockedList, OldIrql);
|
|
FOR_ALL_IN_LIST(HAL_VERIFIER_BUFFER,
|
|
&LockedList->ListEntry,
|
|
verifierBuffer ) {
|
|
|
|
if ((PUCHAR) verifierBuffer->RealStartAddress +
|
|
verifierBuffer->PrePadBytes == AdvertisedStartAddress) {
|
|
VF_UNLOCK_LIST(LockedList, OldIrql);
|
|
return verifierBuffer;
|
|
}
|
|
}
|
|
VF_UNLOCK_LIST(LockedList, OldIrql);
|
|
return NULL;
|
|
} // VF_FIND_BUFFER //
|
|
|
|
|
|
__inline
|
|
PADAPTER_INFORMATION
|
|
VF_FIND_DEVICE_INFORMATION(
|
|
IN PDEVICE_OBJECT DeviceObject
|
|
)
|
|
{
|
|
PADAPTER_INFORMATION adapterInformation;
|
|
KIRQL OldIrql;
|
|
|
|
VF_LOCK_LIST(&ViAdapterList, OldIrql);
|
|
FOR_ALL_IN_LIST(ADAPTER_INFORMATION, &ViAdapterList.ListEntry, adapterInformation) {
|
|
|
|
if (adapterInformation->DeviceObject == DeviceObject) {
|
|
VF_UNLOCK_LIST(&ViAdapterList, OldIrql);
|
|
return adapterInformation;
|
|
}
|
|
}
|
|
|
|
VF_UNLOCK_LIST(&ViAdapterList, OldIrql);
|
|
return NULL;
|
|
} // VF_FIND_DEVICE_INFORMATION //
|
|
|
|
__inline
|
|
PADAPTER_INFORMATION
|
|
VF_FIND_INACTIVE_ADAPTER(
|
|
IN PDEVICE_OBJECT DeviceObject
|
|
)
|
|
{
|
|
PADAPTER_INFORMATION adapterInformation;
|
|
KIRQL OldIrql;
|
|
|
|
VF_LOCK_LIST(&ViAdapterList, OldIrql);
|
|
FOR_ALL_IN_LIST(ADAPTER_INFORMATION, &ViAdapterList.ListEntry, adapterInformation) {
|
|
|
|
if (adapterInformation->DeviceObject == DeviceObject &&
|
|
(adapterInformation->Inactive == TRUE ||
|
|
adapterInformation->DeferredRemove == TRUE)) {
|
|
VF_UNLOCK_LIST(&ViAdapterList, OldIrql);
|
|
return adapterInformation;
|
|
}
|
|
}
|
|
|
|
VF_UNLOCK_LIST(&ViAdapterList, OldIrql);
|
|
return NULL;
|
|
} // VF_FIND_INACTIVE_ADAPTER //
|
|
|
|
|
|
__inline
|
|
VOID
|
|
VF_MARK_FOR_DEFERRED_REMOVE(
|
|
IN PDEVICE_OBJECT DeviceObject
|
|
)
|
|
{
|
|
PADAPTER_INFORMATION adapterInformation;
|
|
KIRQL OldIrql;
|
|
|
|
VF_LOCK_LIST(&ViAdapterList, OldIrql);
|
|
FOR_ALL_IN_LIST(ADAPTER_INFORMATION, &ViAdapterList.ListEntry, adapterInformation) {
|
|
|
|
if (adapterInformation->DeviceObject == DeviceObject) {
|
|
adapterInformation->DeferredRemove = TRUE;
|
|
}
|
|
}
|
|
|
|
VF_UNLOCK_LIST(&ViAdapterList, OldIrql);
|
|
return ;
|
|
} // VF_MARK_FOR_DEFERRED_REMOVE //
|
|
|
|
|
|
__inline
|
|
VOID
|
|
VF_ASSERT_MAP_REGISTERS_CAN_BE_FREED(
|
|
IN PADAPTER_INFORMATION AdapterInformation,
|
|
IN PMAP_REGISTER_FILE MapRegisterFile
|
|
)
|
|
{
|
|
UNREFERENCED_PARAMETER (AdapterInformation);
|
|
|
|
|
|
VF_ASSERT(
|
|
MapRegisterFile->NumberOfRegistersMapped,
|
|
HV_CANNOT_FREE_MAP_REGISTERS,
|
|
( "Cannot free map registers -- %x registers still mapped",
|
|
MapRegisterFile->NumberOfMapRegisters)
|
|
);
|
|
} // VF_ASSERT_MAP_REGISTERS_CAN_BE_FREED
|
|
|
|
|
|
|
|
|