D


D3hot and D3cold power states, 168

data buffers, 34–35

data members (COM), 587

data structures, 24–30

data transfer process, 35–36

USB devices, 357–358

DBH tool, 19

Dc2 (Device Path Exerciser), 671–672

DDI (device driver interface), 47

for KMDF, 71

for UMDF, 69

DDI order rules (KMDF), 847

Deadlock Detection option (Driver Verifier), 678, 680

deadlocks, 41

Driver Verifier deadlock detection, 45, 678, 680

WdfDeviceStopIdle method and, 211

debug print statements, converting to ETW, 413, 418

debugger extensions, 14

Debugging Tools for Windows package, 18–19, 699

debugging WDF drivers, 693–694, 697–730. See also testing

annotations. See PREfast for Drivers

breaking into debugger, 688

Fx2_Driver sample driver (example), 716–721

IRQL problems, testing for, 521–523

Osrusbfx2 sample driver (example), 721–725

preparing for (KMDF), 711–716

preparing for (UMDF), 706–710

reference counts, 591

system requirements for, 12

tools for, 18–19, 698–699. See also specific debugging tool by name

tracing. See tracing

using PREfast. See PREfast for Drivers

verification information for, 684–686, 689–690

versioning and, 637

WDF debugger extensions, 14, 63

WDF driver installations, 663–666

WinDbg for, 63, 698, 699–706

commands, 702

extensions, 704–706

installation error debugging, 663

KMDF debugging session, starting, 714–715

suggestions for experimenting, 729–730

viewing KMDF log, 726–729

viewing trace messages, 725–726

default child list (device property), 145

default I/O callbacks, 289–291

default I/O dispatchers, 311

default I/O queue, 145

default I/O targets, 57, 145, 308

formatting requests for, 331–334, 341–343

retrieving, 313

default queue, creating and initializing, 262–263, 265–266

default synchronization scope, 392–393

deferred interrupt processing, 546–547

deferred procedure calls (DPCs), 37, 47, 103, 114, 514–515, 546–547

deleting, 115, 120

synchronization scope, 395–396

deferred processing for interrupts, 546–547

DeferredRequestCompleted rule, 849

delay time for WUDFHost, setting, 706–707

Deleted state (I/O targets), 319, 340

DeleteWdfObject method (IWDFObject), 115, 313, 353

deleting objects, 111–112, 115–122

defined, 112

KMDF drivers, 115

memory objects, 447

UMDF drivers, 113

_deref modifier, 761, 765

dereferencing user-mode pointers, 45

[DestinationDirs] section, INF files, 644

destroy callbacks, 118

destruction of objects, defined, 112

DevCon utility, 637, 658–659, 671

uninstalling drivers, 662–663

device callback objects. See also callbacks

Skeleton sample driver, 484–486

device characteristics (device property), 145

device descriptors for USB devices, 356–357

device driver interface (DDI), 47

for KMDF, 71

for UMDF, 69

device enumeration

child devices, 143, 157–159

startup and, 180–183

device hardware resources. See hardware resources

device I/O control requests, 33, 48, 225–226, 242

control codes for, 226–227, 228

event callbacks for, 282–291

formatting for I/O targets, 331–333

internal, 228, 242, 322

synchronous, 337

device initialization roles (KMDF), 848

device instance ID (device property), 145

device interfaces, 148

names for KMDF drivers vs., 159

device IRQLs (DIRQLs), 38, 511, 516

guidelines for running at, 517

synchronized processing at, 547

synchronizing, 41

Device Manager, uninstalling drivers with, 662

Device Manager, updating drivers with, 659

device name (device property), 145

device objects, 28–29, 47, 97, 102, 114, 140–147, 152

callback objects for, 100

context areas for, 126

creating, 155

creation and initialization, 149–157

deleting, 115, 120

initializing, 146–147

in object hierarchy, 111–113

pointers to, I/O targets vs., 318

properties, 145–146

types of, 140

Device Path Exerciser (Dc2), 671–672

device power-down, 178–179

device removal and, 184–187

self-managed I/O during, 300–301

device power states, 168–169

device property stores, 99, 447–450

device registers, mapping, 530

device removal

power-down and, 184–187

self-managed I/O during, 300–301

surprise, 178

device restart, 178–179

device enumeration and, 180–183

self-managed I/O during, 300

device scope (synchronization), 387, 393

device shutdown. See device power-down

device stack, 28–29, 47

I/O request flow through, 234–236, 308. See also default I/O targets

IRP management, 33–34

power states, 176–177

UMDF infrastructure, 77–78

device startup, 178–179

device enumeration and, 180–183

self-managed I/O during, 300

device state (device property), 145

device support, 85–89

device tree, 29–30

device uninstallation, 660–661

Device.cpp and Device.h files, 477

DeviceInitAllocate rule, 848

DeviceInitAPI rule, 848

DeviceIoControl function, 33, 225

devnode, defined, 47

diagnosing with software tracing. See tracing

DIFxApp (Driver Install Frameworks for Applications), 636, 657–658

uninstalling drivers, 662

digital certificates, 654

digitally signing driver packages, 653–655

direct I/O, 34–35, 228, 230

retrieving buffers in KMDF drivers, 249

direct memory access (DMA), 549–581

basics and terminology, 550–552

best practices, 581

device information, 552–555

implementing DMA drivers, 564–577

testing drivers, 577–581, 668–669

Windows DMA abstraction, 555–563

direction of transfer, 355

directives in INF files, 643–644

DIRQLs (device IQLs), 38, 511, 516

guidelines for running at, 517

synchronized processing at, 547

synchronizing, 41

Dirs file, 621

Disable_Enable_With_IO.wsf script, 676

disconnecting interrupts, 540

disk I/O path, 43

Disk Integrity Checking option (Driver Verifier), 678

DISPATCH_LEVEL IRQLs, 38, 392, 396, 511–512, 514–515

guidelines for running at, 517

object cleanup, 121

synchronizing, 41

dispatch types for I/O queues, 56, 259, 385–386

device scope and (synchronization), 388–389

disposal of objects, 112

distributing driver packages, 655

.dll files, 623

DLL infrastructure for UMDF drivers, 478–480, 600–606

DLLDEF macro, 628

DLLENTRY macro, 628

DllGetClassObject function, 130–132, 479–480, 585, 600, 602–603

DllMain function, 130–132, 478–479, 585, 600–601

debugging, 708

Dllsup.cpp file, 476

DMA (direct memory access), 549–581

basics and terminology, 550–552

best practices, 581

device information, 552–555

implementing DMA drivers, 564–577

testing drivers, 577–581, 668–669

Windows DMA abstraction, 555–563

DMA chaining. See scatter/gather technique

DMA common buffer objects, 102, 114, 147

deleting, 115, 121

!dma debugger extension, 579

DMA design type, 553

DMA enabler objects, 103, 114, 147, 566–567

deleting, 115

DMA transaction objects, 103, 114, 147, 550, 567–569

deleting, 115

DMA transfers, 550

flushing caches for, 557

maximum transfer length, 554

DMA Verification option (Driver Verifier), 678, 680

DO_DEVICE_INITIALIZING annotation, 809

DO_POWER_PAGEABLE flag, 175

documentation, debugging tools, 19

documentation, WDK, 14–15

DoTraceMessage macro, 417–418

DoubleCompletion rule, 849

DoubleCompletionLocal rule, 849

Down device object (UMDF device stack), 79, 81

downloading. See obtaining (downloading)

DPCs (deferred procedure calls), 37, 47, 103, 114, 514–515, 546–547

deleting, 115, 120

synchronization scope, 395–396

DPInst application, 636, 657–658

Drain method (IWDFIoQueue), 260

DrainSynchronously, 260

driver annotations, 774–778

for __try statement functions, 790

conditional, 779–783

constant and non-constant parameter, 788

diagnostic, 789

DO_DEVICE_INITIALIZING, 809

for error messages, 790

examples, 810–812

floating-point, 801–802

format string, 788–789

for function results, 784–785

function type class, 799–801

for interlocked operands, 809–810

IRQL, 802–809

memory, 790–792

nonmemory, 792–799

Osrusbfx2 sample driver (example), 818–822

pointing, 787–788

type-matching, 785–787

driver architecture, 27–28

driver binary files, 623, 642, 661

driver callback objects. See also callbacks

Skeleton sample driver, 481–484

driver code. See source code

driver crash, debugging, 710

driver-created objects, 70

context areas for, 124, 126

deleting, 116

file objects, 98

I/O requests

deleting, 118

memory objects and buffers for, 323–330

parents of, 113

driver-created subrequests, 408–410

driver development vocabulary, 47–49

Driver Hand Verification option (Driver Verifier), 678

Driver Install Frameworks for Applications (DIFxApp), 636, 657–658

driver load, debugging, 706–708, 715

driver manager, 78

driver objects, 97, 135–140

callback objects for, 100

deleting, 116

as root objects in hierarchy, 110, 112–113, 114

Driver Package Installer (DPInst), 636, 657–658

driver packages, defined, 47. See also installing WDF drivers

driver projects, how to build, 622–624

driver-specific coding practice errors, detecting, 733

driver stack, 28

driver store, deleting packages from, 661

driver structure

device interfaces, 148

names for KMDF drivers vs., 159

objects. See device objects; driver objects

required components, 129–135

driver testing. See testing WDF drivers

driver threads and work items, 523–527

driver tracing, 411–439, 699

basics of, 412–417

best practices, 439

how to support, 420–432

message functions and macros, 417–419

running a trace session, 433–439

tools for, 63, 432–433

viewing messages with WinDbg, 725–726

driver verification. See testing WDF drivers; verifying drivers

Driver Verifier, 46, 677–686. See also testing WDF drivers

deadlock detection, 45, 678, 680

examples, 679–684

Force IRQL Checking option, 45, 678, 680, 683–684

IRQL problems, testing for, 523

testing DMA drivers, 578–579

driver versioning, 63–64, 637

DriverCLSID directive, 648

Driver.cpp and Driver.h files, 477

DriverCreate rule, 847

DriverEntry function, 133–134, 137–140

thread context, 510

drivers, defined, 24–30

/drivers parameter (Driver Verifier), 680

__drv annotations, 774–778

for __try statement functions, 790

basic, 777–779

conditional, 779–783

constant and non-constant parameter, 788

diagnostic, 789

DO_DEVICE_INITIALIZING, 809

for error messages, 790

examples, 810–812

floating-point, 801–802

format string, 788–789

for function results, 784–785

function type class, 799–801

for interlocked operands, 809–810

IRQL, 802–809

memory, 790–792

nonmemory, 792–799

Osrusbfx2 sample driver (example), 818–822

pointing, 787–788

type-matching, 785–787

!dumpobjects debugger extension, 710

dynamic enumeration of child devices, 143

in bus drivers, 157–158

dynamic verification tools, 669. See also Driver Verifier

Application Verifier, 693–694

KMDF Verifier, 45, 687–690

UMDF Verifier, 690–693




Developing Drivers with the Microsoft Windows Driver Foundation
Developing Drivers with the Windows Driver Foundation (Pro Developer)
ISBN: 0735623740
EAN: 2147483647
Year: 2007
Pages: 224

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