ReactOS 0.4.15-dev-5667-ged97270
kmtest_drv.c File Reference
#include <ntddk.h>
#include <ntifs.h>
#include <ndk/ketypes.h>
#include <ntstrsafe.h>
#include <limits.h>
#include <pseh/pseh2.h>
#include <debug.h>
#include <kmt_public.h>
#include <kmt_test.h>
Include dependency graph for kmtest_drv.c:

Go to the source code of this file.

Classes

struct  _KMT_USER_WORK_ENTRY
 
struct  _KMT_USER_WORK_LIST
 

Macros

#define NDEBUG
 
#define KMT_DEFINE_TEST_FUNCTIONS
 

Typedefs

typedef struct _KMT_USER_WORK_ENTRY KMT_USER_WORK_ENTRY
 
typedef struct _KMT_USER_WORK_ENTRYPKMT_USER_WORK_ENTRY
 
typedef struct _KMT_USER_WORK_LIST KMT_USER_WORK_LIST
 
typedef struct _KMT_USER_WORK_LISTPKMT_USER_WORK_LIST
 

Functions

DriverUnload

Driver cleanup funtion.

Parameters
DriverObjectDriver Object
static VOID NTAPI DriverUnload (IN PDRIVER_OBJECT DriverObject)
 
DriverCreate

Driver Dispatch function for IRP_MJ_CREATE

Parameters
DeviceObjectDevice Object
IrpI/O request packet
Returns
Status
static NTSTATUS NTAPI DriverCreate (IN PDEVICE_OBJECT DeviceObject, IN PIRP Irp)
 
DriverCleanup

Driver Dispatch function for IRP_MJ_CLEANUP

Parameters
DeviceObjectDevice Object
IrpI/O request packet
Returns
Status
static NTSTATUS NTAPI DriverCleanup (IN PDEVICE_OBJECT DeviceObject, IN PIRP Irp)
 
DriverClose

Driver Dispatch function for IRP_MJ_CLOSE

Parameters
DeviceObjectDevice Object
IrpI/O request packet
Returns
Status
static NTSTATUS NTAPI DriverClose (IN PDEVICE_OBJECT DeviceObject, IN PIRP Irp)
 
DriverIoControl

Driver Dispatch function for IRP_MJ_DEVICE_CONTROL

Parameters
DeviceObjectDevice Object
IrpI/O request packet
Returns
Status
static NTSTATUS NTAPI DriverIoControl (IN PDEVICE_OBJECT DeviceObject, IN PIRP Irp)
 
KmtUserModeCallback

Enqueue a request to the usermode callback queue and blocks until the work is finished.

Parameters
OperationTODO
ParametersTODO TODO: why is this PVOID?
Returns
Response from user mode
PKMT_RESPONSE KmtUserModeCallback (IN KMT_CALLBACK_INFORMATION_CLASS Operation, IN PVOID Parameters)
 
KmtFreeCallbackResponse

TODO

Parameters
ResponseTODO
VOID KmtFreeCallbackResponse (PKMT_RESPONSE Response)
 
KmtCleanUsermodeCallbacks

TODO

static VOID KmtCleanUsermodeCallbacks (VOID)
 

Variables

DRIVER_INITIALIZE DriverEntry
 
static DRIVER_UNLOAD DriverUnload
 

Macro Definition Documentation

◆ KMT_DEFINE_TEST_FUNCTIONS

#define KMT_DEFINE_TEST_FUNCTIONS

Definition at line 20 of file kmtest_drv.c.

◆ NDEBUG

#define NDEBUG

Definition at line 16 of file kmtest_drv.c.

Typedef Documentation

◆ KMT_USER_WORK_ENTRY

◆ KMT_USER_WORK_LIST

◆ PKMT_USER_WORK_ENTRY

◆ PKMT_USER_WORK_LIST

Function Documentation

◆ DriverCleanup()

static NTSTATUS NTAPI DriverCleanup ( IN PDEVICE_OBJECT  DeviceObject,
IN PIRP  Irp 
)
static

Definition at line 217 of file kmtest_drv.c.

220{
222 PIO_STACK_LOCATION IoStackLocation;
223 PKMT_DEVICE_EXTENSION DeviceExtension;
224
225 PAGED_CODE();
226
227 IoStackLocation = IoGetCurrentIrpStackLocation(Irp);
228
229 DPRINT("DriverCleanup. DeviceObject=%p, RequestorMode=%d, FileObject=%p, FsContext=%p, FsContext2=%p\n",
230 DeviceObject, Irp->RequestorMode, IoStackLocation->FileObject,
231 IoStackLocation->FileObject->FsContext, IoStackLocation->FileObject->FsContext2);
232
233 ASSERT(IoStackLocation->FileObject->FsContext2 == NULL);
234 DeviceExtension = DeviceObject->DeviceExtension;
235 if (DeviceExtension->Mdl && IoStackLocation->FileObject->FsContext == DeviceExtension->Mdl)
236 {
237 MmUnlockPages(DeviceExtension->Mdl);
238 IoFreeMdl(DeviceExtension->Mdl);
239 DeviceExtension->Mdl = NULL;
240 ResultBuffer = DeviceExtension->ResultBuffer = NULL;
241 }
242 else
243 {
244 ASSERT(IoStackLocation->FileObject->FsContext == NULL);
245 }
246
247 Irp->IoStatus.Status = Status;
248 Irp->IoStatus.Information = 0;
249
251
252 return Status;
253}
#define PAGED_CODE()
LONG NTSTATUS
Definition: precomp.h:26
_In_ PIRP Irp
Definition: csq.h:116
#define NULL
Definition: types.h:112
#define IoFreeMdl
Definition: fxmdl.h:89
Status
Definition: gdiplustypes.h:25
PKMT_RESULTBUFFER ResultBuffer
VOID NTAPI MmUnlockPages(IN PMDL Mdl)
Definition: mdlsup.c:1435
#define ASSERT(a)
Definition: mode.c:44
#define IoCompleteRequest
Definition: irp.c:1240
#define STATUS_SUCCESS
Definition: shellext.h:65
#define DPRINT
Definition: sndvol32.h:71
PFILE_OBJECT FileObject
Definition: iotypes.h:3169
_In_ PDEVICE_OBJECT DeviceObject
Definition: wdfdevice.h:2055
__drv_aliasesMem FORCEINLINE PIO_STACK_LOCATION IoGetCurrentIrpStackLocation(_In_ PIRP Irp)
Definition: iofuncs.h:2793
#define IO_NO_INCREMENT
Definition: iotypes.h:598

◆ DriverClose()

static NTSTATUS NTAPI DriverClose ( IN PDEVICE_OBJECT  DeviceObject,
IN PIRP  Irp 
)
static

Definition at line 270 of file kmtest_drv.c.

273{
275
276 PAGED_CODE();
277
278 DPRINT("DriverClose. DeviceObject=%p, RequestorMode=%d\n",
279 DeviceObject, Irp->RequestorMode);
280
281 Irp->IoStatus.Status = Status;
282 Irp->IoStatus.Information = 0;
283
285
286 return Status;
287}

◆ DriverCreate()

static NTSTATUS NTAPI DriverCreate ( IN PDEVICE_OBJECT  DeviceObject,
IN PIRP  Irp 
)
static

Definition at line 179 of file kmtest_drv.c.

182{
184 PIO_STACK_LOCATION IoStackLocation;
185
186 PAGED_CODE();
187
188 IoStackLocation = IoGetCurrentIrpStackLocation(Irp);
189
190 DPRINT("DriverCreate. DeviceObject=%p, RequestorMode=%d, FileObject=%p, FsContext=%p, FsContext2=%p\n",
191 DeviceObject, Irp->RequestorMode, IoStackLocation->FileObject,
192 IoStackLocation->FileObject->FsContext, IoStackLocation->FileObject->FsContext2);
193
194 Irp->IoStatus.Status = Status;
195 Irp->IoStatus.Information = 0;
196
198
199 return Status;
200}

◆ DriverIoControl()

static NTSTATUS NTAPI DriverIoControl ( IN PDEVICE_OBJECT  DeviceObject,
IN PIRP  Irp 
)
static

Definition at line 304 of file kmtest_drv.c.

307{
309 PIO_STACK_LOCATION IoStackLocation;
310 SIZE_T Length = 0;
311
312 PAGED_CODE();
313
314 IoStackLocation = IoGetCurrentIrpStackLocation(Irp);
315
316 DPRINT("DriverIoControl. Code=0x%08X, DeviceObject=%p, FileObject=%p, FsContext=%p, FsContext2=%p\n",
317 IoStackLocation->Parameters.DeviceIoControl.IoControlCode,
318 DeviceObject, IoStackLocation->FileObject,
319 IoStackLocation->FileObject->FsContext, IoStackLocation->FileObject->FsContext2);
320
321 switch (IoStackLocation->Parameters.DeviceIoControl.IoControlCode)
322 {
324 {
326 LPSTR OutputBuffer = Irp->AssociatedIrp.SystemBuffer;
327 size_t Remaining = IoStackLocation->Parameters.DeviceIoControl.OutputBufferLength;
328
329 DPRINT("DriverIoControl. IOCTL_KMTEST_GET_TESTS, outlen=%lu\n",
330 IoStackLocation->Parameters.DeviceIoControl.OutputBufferLength);
331
332 for (TestEntry = TestList; TestEntry->TestName; ++TestEntry)
333 {
334 RtlStringCbCopyExA(OutputBuffer, Remaining, TestEntry->TestName, &OutputBuffer, &Remaining, 0);
335 if (Remaining)
336 {
337 *OutputBuffer++ = '\0';
338 --Remaining;
339 }
340 }
341 if (Remaining)
342 {
343 *OutputBuffer++ = '\0';
344 --Remaining;
345 }
346 Length = IoStackLocation->Parameters.DeviceIoControl.OutputBufferLength - Remaining;
347 break;
348 }
350 {
351 ANSI_STRING TestName;
353
354 DPRINT("DriverIoControl. IOCTL_KMTEST_RUN_TEST, inlen=%lu, outlen=%lu\n",
355 IoStackLocation->Parameters.DeviceIoControl.InputBufferLength,
356 IoStackLocation->Parameters.DeviceIoControl.OutputBufferLength);
357 TestName.Length = TestName.MaximumLength = (USHORT)min(IoStackLocation->Parameters.DeviceIoControl.InputBufferLength, USHRT_MAX);
358 TestName.Buffer = Irp->AssociatedIrp.SystemBuffer;
359 DPRINT("DriverIoControl. Run test: %Z\n", &TestName);
360
361 for (TestEntry = TestList; TestEntry->TestName; ++TestEntry)
362 {
363 ANSI_STRING EntryName;
364 if (TestEntry->TestName[0] == '-')
365 RtlInitAnsiString(&EntryName, TestEntry->TestName + 1);
366 else
367 RtlInitAnsiString(&EntryName, TestEntry->TestName);
368
369 if (!RtlCompareString(&TestName, &EntryName, FALSE))
370 {
371 DPRINT1("DriverIoControl. Starting test %Z\n", &EntryName);
372 TestEntry->TestFunction();
373 DPRINT1("DriverIoControl. Finished test %Z\n", &EntryName);
374 break;
375 }
376 }
377
378 if (!TestEntry->TestName)
380
381 break;
382 }
384 {
385 PKMT_DEVICE_EXTENSION DeviceExtension = DeviceObject->DeviceExtension;
386
387 DPRINT("DriverIoControl. IOCTL_KMTEST_SET_RESULTBUFFER, buffer=%p, inlen=%lu, outlen=%lu\n",
388 IoStackLocation->Parameters.DeviceIoControl.Type3InputBuffer,
389 IoStackLocation->Parameters.DeviceIoControl.InputBufferLength,
390 IoStackLocation->Parameters.DeviceIoControl.OutputBufferLength);
391
392 if (DeviceExtension->Mdl)
393 {
394 if (IoStackLocation->FileObject->FsContext != DeviceExtension->Mdl)
395 {
397 break;
398 }
399 MmUnlockPages(DeviceExtension->Mdl);
400 IoFreeMdl(DeviceExtension->Mdl);
401 IoStackLocation->FileObject->FsContext = NULL;
402 ResultBuffer = DeviceExtension->ResultBuffer = NULL;
403 }
404
405 DeviceExtension->Mdl = IoAllocateMdl(IoStackLocation->Parameters.DeviceIoControl.Type3InputBuffer,
406 IoStackLocation->Parameters.DeviceIoControl.InputBufferLength,
407 FALSE, FALSE, NULL);
408 if (!DeviceExtension->Mdl)
409 {
411 break;
412 }
413
415 {
416 MmProbeAndLockPages(DeviceExtension->Mdl, UserMode, IoModifyAccess);
417 }
419 {
421 IoFreeMdl(DeviceExtension->Mdl);
422 DeviceExtension->Mdl = NULL;
423 break;
424 } _SEH2_END;
425
426 ResultBuffer = DeviceExtension->ResultBuffer = MmGetSystemAddressForMdlSafe(DeviceExtension->Mdl, NormalPagePriority);
427 IoStackLocation->FileObject->FsContext = DeviceExtension->Mdl;
428
429 DPRINT("DriverIoControl. ResultBuffer: %ld %ld %ld %ld\n",
432 break;
433 }
435 {
438
439 DPRINT("DriverIoControl. IOCTL_KMTEST_USERMODE_AWAIT_REQ, len=%lu\n",
440 IoStackLocation->Parameters.DeviceIoControl.OutputBufferLength);
441
442 /* TODO: prevent multiple concurrent invocations */
443 Status = KeWaitForSingleObject(&WorkList.NewWorkEvent, UserRequest, UserMode, FALSE, NULL);
445 break;
446
447 if (IoStackLocation->Parameters.DeviceIoControl.OutputBufferLength < sizeof(KMT_CALLBACK_REQUEST_PACKET))
448 {
450 break;
451 }
452
453 ASSERT(!IsListEmpty(&WorkList.ListHead));
454
455 Entry = WorkList.ListHead.Flink;
457
458 Length = sizeof(WorkItem->Request);
459 RtlCopyMemory(Irp->AssociatedIrp.SystemBuffer, &WorkItem->Request, Length);
461
462 KeClearEvent(&WorkList.NewWorkEvent);
463 break;
464
465 }
467 {
469 PKMT_USER_WORK_ENTRY WorkEntry;
471 ULONG ResponseSize = IoStackLocation->Parameters.DeviceIoControl.OutputBufferLength;
472
473 DPRINT("DriverIoControl. IOCTL_KMTEST_USERMODE_SEND_RESPONSE, inlen=%lu, outlen=%lu\n",
474 IoStackLocation->Parameters.DeviceIoControl.InputBufferLength,
475 IoStackLocation->Parameters.DeviceIoControl.OutputBufferLength);
476
477 if (IoStackLocation->Parameters.DeviceIoControl.InputBufferLength != sizeof(ULONG) || ResponseSize != sizeof(KMT_RESPONSE))
478 {
480 break;
481 }
482
483 /* FIXME: don't misuse the output buffer as an input! */
485 if (Response == NULL)
486 {
488 break;
489 }
490
491 ExAcquireFastMutex(&WorkList.Lock);
492
494
495 Entry = WorkList.ListHead.Flink;
496 while (Entry != &WorkList.ListHead)
497 {
498 WorkEntry = CONTAINING_RECORD(Entry, KMT_USER_WORK_ENTRY, ListEntry);
499 if (WorkEntry->Request.RequestId == *(PULONG)Irp->AssociatedIrp.SystemBuffer)
500 {
501 WorkEntry->Response = ExAllocatePoolWithTag(PagedPool, sizeof(KMT_RESPONSE), 'pseR');
502 if (WorkEntry->Response == NULL)
503 {
505 break;
506 }
507
508 RtlCopyMemory(WorkEntry->Response, Response, ResponseSize);
511 break;
512 }
513
514 Entry = Entry->Flink;
515 }
516
517 ExReleaseFastMutex(&WorkList.Lock);
518
519 break;
520 }
521 default:
522 DPRINT1("DriverIoControl. Invalid IoCtl code 0x%08X\n",
523 IoStackLocation->Parameters.DeviceIoControl.IoControlCode);
525 break;
526 }
527
528 Irp->IoStatus.Status = Status;
529 Irp->IoStatus.Information = Length;
530
532
533 return Status;
534}
static void TestEntry(const ENTRY *pEntry)
#define DPRINT1
Definition: precomp.h:8
#define FALSE
Definition: types.h:117
#define ExAllocatePoolWithTag(hernya, size, tag)
Definition: env_spec_w32.h:350
#define IsListEmpty(ListHead)
Definition: env_spec_w32.h:954
#define KeWaitForSingleObject(pEvt, foo, a, b, c)
Definition: env_spec_w32.h:478
#define KeSetEvent(pEvt, foo, foo2)
Definition: env_spec_w32.h:476
#define PagedPool
Definition: env_spec_w32.h:308
VOID NTAPI KeClearEvent(IN PKEVENT Event)
Definition: eventobj.c:22
#define _SEH2_END
Definition: filesup.c:22
#define _SEH2_TRY
Definition: filesup.c:19
#define IoAllocateMdl
Definition: fxmdl.h:88
VOID FASTCALL ExAcquireFastMutex(IN PFAST_MUTEX FastMutex)
Definition: fmutex.c:23
VOID FASTCALL ExReleaseFastMutex(IN PFAST_MUTEX FastMutex)
Definition: fmutex.c:31
#define EXCEPTION_EXECUTE_HANDLER
Definition: excpt.h:85
#define USHRT_MAX
Definition: limits.h:38
#define IOCTL_KMTEST_GET_TESTS
Definition: kmt_public.h:13
#define IOCTL_KMTEST_USERMODE_AWAIT_REQ
Definition: kmt_public.h:25
#define IOCTL_KMTEST_USERMODE_SEND_RESPONSE
Definition: kmt_public.h:22
#define IOCTL_KMTEST_RUN_TEST
Definition: kmt_public.h:16
#define IOCTL_KMTEST_SET_RESULTBUFFER
Definition: kmt_public.h:19
VOID NTAPI MmProbeAndLockPages(IN PMDL Mdl, IN KPROCESSOR_MODE AccessMode, IN LOCK_OPERATION Operation)
Definition: mdlsup.c:931
@ NormalPagePriority
Definition: imports.h:56
#define min(a, b)
Definition: monoChain.cc:55
#define UserMode
Definition: asm.h:35
NTSYSAPI LONG NTAPI RtlCompareString(PSTRING String1, PSTRING String2, BOOLEAN CaseInSensitive)
NTSYSAPI VOID NTAPI RtlInitAnsiString(PANSI_STRING DestinationString, PCSZ SourceString)
_In_ ULONG _In_ ULONG _In_ ULONG Length
Definition: ntddpcm.h:102
#define STATUS_OBJECTID_NOT_FOUND
Definition: ntstatus.h:860
#define STATUS_USER_APC
Definition: ntstatus.h:78
#define STATUS_INVALID_BUFFER_SIZE
Definition: ntstatus.h:650
#define STATUS_KERNEL_APC
Definition: ntstatus.h:79
NTSTRSAFEAPI RtlStringCbCopyExA(_Out_writes_bytes_(cbDest) _Always_(_Post_z_) NTSTRSAFE_PSTR pszDest, _In_ size_t cbDest, _In_ NTSTRSAFE_PCSTR pszSrc, _Outptr_opt_result_bytebuffer_(*pcbRemaining) STRSAFE_LPSTR *ppszDestEnd, _Out_opt_ size_t *pcbRemaining, _In_ STRSAFE_DWORD dwFlags)
Definition: ntstrsafe.h:270
unsigned short USHORT
Definition: pedump.c:61
#define _SEH2_GetExceptionCode()
Definition: pseh2_64.h:159
#define _SEH2_EXCEPT(...)
Definition: pseh2_64.h:34
base of all file and directory entries
Definition: entries.h:83
volatile LONG Failures
Definition: kmt_test.h:37
volatile LONG LogBufferLength
Definition: kmt_test.h:39
LONG LogBufferMaxLength
Definition: kmt_test.h:40
volatile LONG Successes
Definition: kmt_test.h:36
Definition: ncftp.h:89
USHORT MaximumLength
Definition: env_spec_w32.h:377
struct _NAMED_PIPE_CREATE_PARAMETERS * Parameters
Definition: iotypes.h:3128
Definition: kmtest_drv.c:25
PKMT_RESPONSE Response
Definition: kmtest_drv.c:29
KMT_CALLBACK_REQUEST_PACKET Request
Definition: kmtest_drv.c:28
KEVENT WorkDoneEvent
Definition: kmtest_drv.c:27
Definition: typedefs.h:120
EH_STD::__list__< TestClass, eh_allocator(TestClass) > TestList
Definition: test_list.cpp:31
uint32_t * PULONG
Definition: typedefs.h:59
ULONG_PTR SIZE_T
Definition: typedefs.h:80
#define RtlCopyMemory(Destination, Source, Length)
Definition: typedefs.h:263
#define CONTAINING_RECORD(address, type, field)
Definition: typedefs.h:260
uint32_t ULONG
Definition: typedefs.h:59
#define STATUS_INVALID_DEVICE_REQUEST
Definition: udferr_usr.h:138
#define STATUS_ACCESS_DENIED
Definition: udferr_usr.h:145
#define STATUS_OBJECT_NAME_INVALID
Definition: udferr_usr.h:148
#define STATUS_INSUFFICIENT_RESOURCES
Definition: udferr_usr.h:158
_Must_inspect_result_ _In_ WDFIOTARGET _In_opt_ WDFREQUEST _In_opt_ PWDF_MEMORY_DESCRIPTOR OutputBuffer
Definition: wdfiotarget.h:863
_Must_inspect_result_ _In_ PWDF_WORKITEM_CONFIG _In_ PWDF_OBJECT_ATTRIBUTES _Out_ WDFWORKITEM * WorkItem
Definition: wdfworkitem.h:115
@ UserRequest
Definition: ketypes.h:409
@ IoModifyAccess
Definition: ketypes.h:853
#define MmGetSystemAddressForMdlSafe(_Mdl, _Priority)
char * LPSTR
Definition: xmlstorage.h:182

◆ DriverUnload()

static VOID NTAPI DriverUnload ( IN PDRIVER_OBJECT  DriverObject)
static

Definition at line 141 of file kmtest_drv.c.

143{
144 PAGED_CODE();
145
147
148 DPRINT("DriverUnload\n");
149
151
153 {
154#if DBG
155 PKMT_DEVICE_EXTENSION DeviceExtension = MainDeviceObject->DeviceExtension;
156 ASSERT(!DeviceExtension->Mdl);
157 ASSERT(!DeviceExtension->ResultBuffer);
158#endif
161 }
162}
static PDEVICE_OBJECT MainDeviceObject
static VOID KmtCleanUsermodeCallbacks(VOID)
Definition: kmtest_drv.c:621
#define UNREFERENCED_PARAMETER(P)
Definition: ntbasedef.h:317
VOID NTAPI IoDeleteDevice(IN PDEVICE_OBJECT DeviceObject)
Definition: device.c:1251
PVOID DeviceExtension
Definition: env_spec_w32.h:418
_Must_inspect_result_ _In_ PDRIVER_OBJECT DriverObject
Definition: wdfdriver.h:213

◆ KmtCleanUsermodeCallbacks()

static VOID KmtCleanUsermodeCallbacks ( VOID  )
static

Definition at line 621 of file kmtest_drv.c.

622{
624
625 PAGED_CODE();
626
627 ExAcquireFastMutex(&WorkList.Lock);
628
629 Entry = WorkList.ListHead.Flink;
630 while (Entry != &WorkList.ListHead)
631 {
633 if (WorkEntry->Response != NULL)
634 {
636 }
637
638 Entry = Entry->Flink;
639
640 ExFreePoolWithTag(WorkEntry, 'ekrW');
641 }
642
643 ExReleaseFastMutex(&WorkList.Lock);
644}
VOID KmtFreeCallbackResponse(PKMT_RESPONSE Response)
Definition: kmtest_drv.c:606
#define ExFreePoolWithTag(_P, _T)
Definition: module.h:1099

Referenced by DriverUnload().

◆ KmtFreeCallbackResponse()

VOID KmtFreeCallbackResponse ( PKMT_RESPONSE  Response)

Definition at line 606 of file kmtest_drv.c.

608{
609 PAGED_CODE();
610
612}

Referenced by KmtCleanUsermodeCallbacks().

◆ KmtUserModeCallback()

PKMT_RESPONSE KmtUserModeCallback ( IN KMT_CALLBACK_INFORMATION_CLASS  Operation,
IN PVOID  Parameters 
)

Definition at line 551 of file kmtest_drv.c.

554{
557 PKMT_USER_WORK_ENTRY WorkEntry;
559
560 PAGED_CODE();
561
562 WorkEntry = ExAllocatePoolWithTag(PagedPool, sizeof(KMT_USER_WORK_ENTRY), 'ekrW');
563 if (WorkEntry == NULL)
564 return NULL;
565
567 WorkEntry->Request.RequestId = RequestId++;
568 WorkEntry->Request.OperationClass = Operation;
569 WorkEntry->Request.Parameters = Parameters;
570 WorkEntry->Response = NULL;
571
572 ExAcquireFastMutex(&WorkList.Lock);
573 InsertTailList(&WorkList.ListHead, &WorkEntry->ListEntry);
574 ExReleaseFastMutex(&WorkList.Lock);
575
576 KeSetEvent(&WorkList.NewWorkEvent, IO_NO_INCREMENT, FALSE);
577
578 Timeout.QuadPart = -10 * 1000 * 1000 * 10; //wait for 10 seconds
580
582 {
583 DPRINT1("Unexpected callback abortion! Reason: %lx\n", Status);
584 }
585
586 ExAcquireFastMutex(&WorkList.Lock);
587 RemoveEntryList(&WorkEntry->ListEntry);
588 ExReleaseFastMutex(&WorkList.Lock);
589
590 Result = WorkEntry->Response;
591
592 ExFreePoolWithTag(WorkEntry, 'ekrW');
593
594 return Result;
595}
#define RemoveEntryList(Entry)
Definition: env_spec_w32.h:986
#define InsertTailList(ListHead, Entry)
#define KeInitializeEvent(pEvt, foo, foo2)
Definition: env_spec_w32.h:477
FP_OP Operation
Definition: fpcontrol.c:150
@ NotificationEvent
#define STATUS_TIMEOUT
Definition: ntstatus.h:81
static ULONG Timeout
Definition: ping.c:61
KMT_CALLBACK_INFORMATION_CLASS OperationClass
Definition: kmt_test.h:64
LIST_ENTRY ListEntry
Definition: kmtest_drv.c:26
_Must_inspect_result_ _In_ WDFQUEUE _In_opt_ WDFREQUEST _In_opt_ WDFFILEOBJECT _Inout_opt_ PWDF_REQUEST_PARAMETERS Parameters
Definition: wdfio.h:869
_At_(*)(_In_ PWSK_CLIENT Client, _In_opt_ PUNICODE_STRING NodeName, _In_opt_ PUNICODE_STRING ServiceName, _In_opt_ ULONG NameSpace, _In_opt_ GUID *Provider, _In_opt_ PADDRINFOEXW Hints, _Outptr_ PADDRINFOEXW *Result, _In_opt_ PEPROCESS OwningProcess, _In_opt_ PETHREAD OwningThread, _Inout_ PIRP Irp Result)(Mem)) NTSTATUS(WSKAPI *PFN_WSK_GET_ADDRESS_INFO
Definition: wsk.h:426
@ Executive
Definition: ketypes.h:403

Variable Documentation

◆ DriverEntry

DRIVER_INITIALIZE DriverEntry

Definition at line 40 of file kmtest_drv.c.

◆ DriverUnload

DRIVER_UNLOAD DriverUnload
static

Definition at line 41 of file kmtest_drv.c.