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Implementing new notification logic

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This commit is contained in:
Benjamin Höglinger-Stelzer
2020-11-23 22:23:48 +01:00
parent 703842c753
commit c3c4047cfa
6 changed files with 186 additions and 18 deletions
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61
sys/EmulationTargetPDO.cpp
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@@ -255,6 +255,20 @@ NTSTATUS ViGEm::Bus::Core::EmulationTargetPDO::PdoCreateDevice(WDFDEVICE ParentD
break;
}
status = WdfIoQueueReadyNotify(
this->_PendingNotificationRequests,
EvtWdfIoPendingNotificationQueueState,
this
);
if (!NT_SUCCESS(status))
{
TraceEvents(TRACE_LEVEL_ERROR,
TRACE_BUSPDO,
"WdfIoQueueReadyNotify (PendingNotificationRequests) failed with status %!STATUS!",
status);
break;
}
#pragma endregion
#pragma region Default I/O queue setup
@@ -465,6 +479,8 @@ NTSTATUS ViGEm::Bus::Core::EmulationTargetPDO::PdoPrepare(WDFDEVICE ParentDevice
NTSTATUS status;
WDF_OBJECT_ATTRIBUTES attributes;
WDF_IO_QUEUE_CONFIG plugInQueueConfig;
DMF_MODULE_ATTRIBUTES moduleAttributes;
DMF_CONFIG_BufferQueue dmfBufferCfg;
WDF_OBJECT_ATTRIBUTES_INIT(&attributes);
attributes.ParentObject = ParentDevice;
@@ -486,6 +502,41 @@ NTSTATUS ViGEm::Bus::Core::EmulationTargetPDO::PdoPrepare(WDFDEVICE ParentDevice
status);
}
WDF_OBJECT_ATTRIBUTES_INIT(&attributes);
attributes.ParentObject = ParentDevice;
DMF_CONFIG_BufferQueue_AND_ATTRIBUTES_INIT(
&dmfBufferCfg,
&moduleAttributes
);
// Don't auto-grow; start dropping packets on overrun
dmfBufferCfg.SourceSettings.EnableLookAside = FALSE;
// Maximum number of buffers to be filled and kept queued
dmfBufferCfg.SourceSettings.BufferCount = MAX_OUT_BUFFER_QUEUE_COUNT;
// Maximum byte count per buffer
dmfBufferCfg.SourceSettings.BufferSize = MAX_OUT_BUFFER_QUEUE_SIZE;
// Field to store real buffer content length
dmfBufferCfg.SourceSettings.BufferContextSize = sizeof(size_t);
// "Expensive" memory ;)
dmfBufferCfg.SourceSettings.PoolType = NonPagedPoolNx;
status = DMF_BufferQueue_Create(
ParentDevice,
&moduleAttributes,
&attributes,
&this->_UsbInterruptOutBufferQueue
);
if (!NT_SUCCESS(status))
{
TraceEvents(TRACE_LEVEL_ERROR,
TRACE_BUSPDO,
"DMF_BufferQueue_Create failed with status %!STATUS!",
status
);
}
return status;
}
@@ -1117,3 +1168,13 @@ VOID ViGEm::Bus::Core::EmulationTargetPDO::EvtIoInternalDeviceControl(
TraceDbg(TRACE_BUSPDO, "%!FUNC! Exit with status %!STATUS!", status);
}
void ViGEm::Bus::Core::EmulationTargetPDO::EvtWdfIoPendingNotificationQueueState(
WDFQUEUE Queue,
WDFCONTEXT Context
)
{
const auto pThis = static_cast<EmulationTargetPDO*>(Context);
pThis->ProcessPendingNotification(Queue);
}