fxpkgio.cpp File Reference

#include "ioprivshared.hpp"

Include dependency graph for fxpkgio.cpp:

Go to the source code of this file.

Functions
_Must_inspect_result_ NTSTATUS	FX_VF_METHOD (FxPkgIo, VerifyDispatchContext)(_In_ PFX_DRIVER_GLOBALS FxDriverGlobals
	PAGED_CODE_LOCKED ()
	for (next=m_DynamicDispatchInfoListHead.Flink;next !=&m_DynamicDispatchInfoListHead;next=next->Flink)
	if (FALSE==ctxValid)
_Must_inspect_result_ NTSTATUS	FX_VF_METHOD (FxPkgIo, VerifyEnqueueRequestUpdateFlags)(_In_ PFX_DRIVER_GLOBALS FxDriverGlobals
	if (NT_SUCCESS(status))
Request	Unlock (irql)
VOID	FX_VF_METHOD (FxPkgIo, VerifyEnqueueRequestRestoreFlags)(_In_ PFX_DRIVER_GLOBALS FxDriverGlobals
Request	ClearVerifierFlagsLocked (~OrigVerifierFlags)
Request	SetVerifierFlagsLocked (OrigVerifierFlags)
static VOID	GetIoQueueList_ProcessQueueListEntry (PLIST_ENTRY QueueLE, PSINGLE_LIST_ENTRY SListHead, PVOID Tag)

Variables
_Must_inspect_result_ NTSTATUS _In_ WDFCONTEXT	DispatchContext
BOOLEAN	ctxValid
PLIST_ENTRY	next
return	status = Request->VerifyRequestIsInCallerContext(FxDriverGlobals)
_Must_inspect_result_ NTSTATUS _In_ FxRequest *	Request
_Must_inspect_result_ NTSTATUS _In_ FxRequest _Inout_ SHORT *	OrigVerifierFlags
KIRQL	irql

Function Documentation

ClearVerifierFlagsLocked()

Request ClearVerifierFlagsLocked

(

~

OrigVerifierFlags

)

for()

for

(

next

= m_DynamicDispatchInfoListHead.Flink; next != &m_DynamicDispatchInfoListHead; next = next->Flink

)

Definition at line 141 of file fxpkgio.cpp.

                             {
        if ((PLIST_ENTRY)DispatchContext == next) {
            ctxValid = TRUE;
            break;
        }
    }

FX_VF_METHOD() [1/3]

_Must_inspect_result_ NTSTATUS FX_VF_METHOD	(	FxPkgIo	,
		VerifyDispatchContext
	)

FX_VF_METHOD() [2/3]

VOID FX_VF_METHOD	(	FxPkgIo	,
		VerifyEnqueueRequestRestoreFlags
	)

FX_VF_METHOD() [3/3]

_Must_inspect_result_ NTSTATUS FX_VF_METHOD	(	FxPkgIo	,
		VerifyEnqueueRequestUpdateFlags
	)

GetIoQueueList_ProcessQueueListEntry()

static VOID GetIoQueueList_ProcessQueueListEntry ( PLIST_ENTRY  QueueLE, PSINGLE_LIST_ENTRY  SListHead, PVOID  Tag  )

static

Definition at line 1451 of file fxpkgio.cpp.

{
    FxIoQueueNode*      listNode;
    FxIoQueue*          queue;
 
    //
    // Skip any nodes that are not queues. They can be bookmarks for
    // in-progress flush operations.
    //
    listNode = FxIoQueueNode::_FromListEntry(QueueLE);
    if (listNode->IsNodeType(FxIoQueueNodeTypeQueue) == FALSE) {
        return;
    }
 
    queue = FxIoQueue::_FromIoPkgListEntry(QueueLE);
    PushEntryList(SListHead, &queue->m_PowerSListEntry);
 
    //
    // Add a reference since the request will be touched outside of the
    // lock being held. We will use the enumerant value as the tag.
    //
    queue->ADDREF(Tag);
}

Referenced by FxPkgIo::GetIoQueueListLocked().

if() [1/2]

if

(

FALSE

= = ctxValid

)

Definition at line 150 of file fxpkgio.cpp.

                           {
        status = STATUS_INVALID_PARAMETER;
        DoTraceLevelMessage(
                FxDriverGlobals, TRACE_LEVEL_ERROR, TRACINGIO,
                "DispatchContext 0x%p is invalid, %!STATUS!",
                DispatchContext, status);
        FxVerifierDbgBreakPoint(FxDriverGlobals);
    }

if() [2/2]

if

(

NT_SUCCESS(status)

)

Definition at line 569 of file fxpkgio.cpp.

                            {
        status = Request->VerifyRequestIsDriverOwned(FxDriverGlobals);
    }

PAGED_CODE_LOCKED()

PAGED_CODE_LOCKED

(

)

Referenced by FX_VF_METHOD().

SetVerifierFlagsLocked()

Request SetVerifierFlagsLocked

(

OrigVerifierFlags

)

Unlock()

Request Unlock

(

irql

)

Variable Documentation

ctxValid

ctxValid

Initial value:

= (PLIST_ENTRY)DispatchContext ==
                    &m_DynamicDispatchInfoListHead ?
                        TRUE : FALSE

Definition at line 129 of file fxpkgio.cpp.

Referenced by for(), and VerifyWdfDeviceWdmDispatchIrp().

DispatchContext

_Must_inspect_result_ NTSTATUS _In_ WDFCONTEXT DispatchContext

Initial value:

{
    NTSTATUS status = STATUS_SUCCESS

Definition at line 125 of file fxpkgio.cpp.

irql

Request Lock& irql

Definition at line 562 of file fxpkgio.cpp.

Referenced by FX_VF_METHOD().

next

PLIST_ENTRY next

Definition at line 130 of file fxpkgio.cpp.

Referenced by for().

OrigVerifierFlags

VOID _In_ FxRequest _In_ SHORT OrigVerifierFlags

Initial value:

{
    NTSTATUS status = STATUS_SUCCESS

Definition at line 555 of file fxpkgio.cpp.

Request

VOID _In_ FxRequest* Request

Definition at line 554 of file fxpkgio.cpp.

status

return status = Request->VerifyRequestIsInCallerContext(FxDriverGlobals)

Definition at line 159 of file fxpkgio.cpp.