mirror of
https://github.com/reactos/reactos.git
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- Use ExInterlockedList * functions for speed and stability
- Increment reference count on the correct miniport adapter from IPortDMus svn path=/trunk/; revision=40886
This commit is contained in:
Johannes Anderwald
parent
1635685bdf
commit
173cb6b1d0
4 changed files with 147 additions and 188 deletions
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@ -231,6 +231,7 @@ DECLARE_INTERFACE_(IIrpQueue, IUnknown)
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IN PVOID Tag);
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STDMETHOD_(BOOL, HasLastMappingFailed)(THIS);
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STDMETHOD_(VOID, PrintQueueStatus)(THIS);
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};
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@ -11,12 +11,13 @@
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typedef struct _IRP_MAPPING_
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{
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LIST_ENTRY Entry;
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KSSTREAM_HEADER *Header;
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PVOID Buffer;
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ULONG BufferSize;
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ULONG OriginalBufferSize;
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PVOID OriginalBuffer;
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PIRP Irp;
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ULONG References;
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ULONG NumTags;
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PVOID * Tag;
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PVOID Tag;
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}IRP_MAPPING, *PIRP_MAPPING;
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typedef struct
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@ -34,6 +35,7 @@ typedef struct
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KSPIN_LOCK Lock;
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LIST_ENTRY ListHead;
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LIST_ENTRY FreeHead;
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ULONG OutOfMapping;
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ULONG MaxFrameSize;
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@ -49,19 +51,16 @@ FreeMappingRoutine(
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if (CurMapping->Irp)
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{
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CurMapping->Irp->IoStatus.Information = CurMapping->Header->FrameExtent;
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CurMapping->Irp->IoStatus.Information = CurMapping->OriginalBufferSize;
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CurMapping->Irp->IoStatus.Status = STATUS_SUCCESS;
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IoCompleteRequest(CurMapping->Irp, IO_SOUND_INCREMENT);
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}
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if (CurMapping->Tag)
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if (CurMapping->OriginalBuffer)
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{
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FreeItem(CurMapping->Tag, TAG_PORTCLASS);
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ExFreePool(CurMapping->OriginalBuffer);
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}
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ExFreePool(CurMapping->Header->Data);
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ExFreePool(CurMapping->Header);
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ExFreePool(CurMapping);
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}
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@ -128,6 +127,7 @@ IIrpQueue_fnInit(
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This->MaxFrameSize = FrameSize;
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InitializeListHead(&This->ListHead);
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InitializeListHead(&This->FreeHead);
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KeInitializeSpinLock(&This->Lock);
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return STATUS_SUCCESS;
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@ -141,59 +141,77 @@ IIrpQueue_fnAddMapping(
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IN ULONG BufferSize,
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IN PIRP Irp)
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{
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PIRP_MAPPING Mapping;
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PIRP_MAPPING Mapping = NULL;
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KSSTREAM_HEADER * Header = (KSSTREAM_HEADER*)Buffer;
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ULONG Index, NumMappings, Offset;
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IIrpQueueImpl * This = (IIrpQueueImpl*)iface;
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Mapping = AllocateItem(NonPagedPool, sizeof(IRP_MAPPING), TAG_PORTCLASS);
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if (!Mapping)
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return STATUS_UNSUCCESSFUL;
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Mapping->Header = (KSSTREAM_HEADER*)Buffer;
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Mapping->Irp = Irp;
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if (This->MaxFrameSize)
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{
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if (This->MaxFrameSize > Mapping->Header->DataUsed)
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if (This->MaxFrameSize > Header->DataUsed)
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{
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/* small mapping */
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Mapping->NumTags = 1;
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NumMappings = 1;
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}
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else
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{
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ULONG Rest = Mapping->Header->DataUsed % This->MaxFrameSize;
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ULONG Rest = Header->DataUsed % This->MaxFrameSize;
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Mapping->NumTags = Mapping->Header->DataUsed / This->MaxFrameSize;
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NumMappings = Header->DataUsed / This->MaxFrameSize;
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if (Rest)
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{
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Mapping->NumTags++;
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NumMappings++;
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}
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}
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}
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else
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{
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/* no framesize restriction */
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Mapping->NumTags = 1;
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NumMappings = 1;
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}
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Mapping->Tag = AllocateItem(NonPagedPool, sizeof(PVOID) * Mapping->NumTags, TAG_PORTCLASS);
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if (!Mapping->Tag)
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for(Index = 0; Index < NumMappings; Index++)
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{
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FreeItem(Mapping, TAG_PORTCLASS);
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Mapping = AllocateItem(NonPagedPool, sizeof(IRP_MAPPING), TAG_PORTCLASS);
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if (!Mapping)
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{
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DPRINT("OutOfMemory\n");
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return STATUS_UNSUCCESSFUL;
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}
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ASSERT(Mapping->NumTags < 32);
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Mapping->References = (1 << Mapping->NumTags) - 1;
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This->NumDataAvailable += Mapping->Header->DataUsed;
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if (Index)
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Offset = Index * This->MaxFrameSize;
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else
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Offset = 0;
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DPRINT("IIrpQueue_fnAddMapping NumMappings %u SizeOfMapping %lu NumDataAvailable %lu Mapping %p NumTags %u References %x FrameSize %u\n", This->NumMappings, Mapping->Header->DataUsed, This->NumDataAvailable, Mapping, Mapping->NumTags, Mapping->References, This->MaxFrameSize);
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Mapping->Buffer = (PVOID)UlongToPtr(PtrToUlong(Header->Data) + Offset);
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KeAcquireSpinLockAtDpcLevel(&This->Lock);
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InsertTailList(&This->ListHead, &Mapping->Entry);
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KeReleaseSpinLockFromDpcLevel(&This->Lock);
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if (This->MaxFrameSize)
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Mapping->BufferSize = min(Header->DataUsed - Offset, This->MaxFrameSize);
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else
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Mapping->BufferSize = Header->DataUsed;
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Mapping->OriginalBufferSize = Header->FrameExtent;
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Mapping->OriginalBuffer = NULL;
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Mapping->Irp = NULL;
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Mapping->Tag = NULL;
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This->NumDataAvailable += Mapping->BufferSize;
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if (Index == NumMappings - 1)
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{
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/* last mapping should free the irp if provided */
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Mapping->OriginalBuffer = Header->Data;
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Mapping->Irp = Irp;
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}
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ExInterlockedInsertTailList(&This->ListHead, &Mapping->Entry, &This->Lock);
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(void)InterlockedIncrement((volatile long*)&This->NumMappings);
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DPRINT("IIrpQueue_fnAddMapping NumMappings %u SizeOfMapping %lu NumDataAvailable %lu Mapping %p FrameSize %u\n", This->NumMappings, Mapping->BufferSize, This->NumDataAvailable, Mapping, This->MaxFrameSize);
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}
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if (Irp)
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{
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Irp->IoStatus.Status = STATUS_PENDING;
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@ -216,23 +234,20 @@ IIrpQueue_fnGetMapping(
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IIrpQueueImpl * This = (IIrpQueueImpl*)iface;
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PLIST_ENTRY CurEntry;
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KeAcquireSpinLockAtDpcLevel(&This->Lock);
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CurEntry = This->ListHead.Flink;
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CurMapping = CONTAINING_RECORD(CurEntry, IRP_MAPPING, Entry);
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if (CurEntry == &This->ListHead)
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CurEntry = ExInterlockedRemoveHeadList(&This->ListHead, &This->Lock);
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if (!CurEntry)
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{
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KeReleaseSpinLockFromDpcLevel(&This->Lock);
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This->StartStream = FALSE;
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This->OutOfMapping = TRUE;
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return STATUS_UNSUCCESSFUL;
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}
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*Buffer = (PUCHAR)CurMapping->Header->Data + This->CurrentOffset;
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*BufferSize = CurMapping->Header->DataUsed - This->CurrentOffset;
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CurMapping = CONTAINING_RECORD(CurEntry, IRP_MAPPING, Entry);
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*Buffer = (PUCHAR)CurMapping->Buffer + This->CurrentOffset;
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*BufferSize = CurMapping->BufferSize - This->CurrentOffset;
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ExInterlockedInsertHeadList(&This->ListHead, &CurMapping->Entry, &This->Lock);
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This->OutOfMapping = FALSE;
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KeReleaseSpinLockFromDpcLevel(&This->Lock);
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return STATUS_SUCCESS;
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}
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@ -248,24 +263,22 @@ IIrpQueue_fnUpdateMapping(
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PIRP_MAPPING CurMapping;
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IIrpQueueImpl * This = (IIrpQueueImpl*)iface;
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CurEntry = ExInterlockedRemoveHeadList(&This->ListHead, &This->Lock);
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CurMapping = CONTAINING_RECORD(CurEntry, IRP_MAPPING, Entry);
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This->CurrentOffset += BytesWritten;
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This->NumDataAvailable -= BytesWritten;
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CurEntry = This->ListHead.Flink;
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CurMapping = CONTAINING_RECORD(CurEntry, IRP_MAPPING, Entry);
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if (CurMapping->Header->DataUsed <= This->CurrentOffset)
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if (CurMapping->BufferSize <= This->CurrentOffset)
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{
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This->CurrentOffset = 0;
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KeAcquireSpinLockAtDpcLevel(&This->Lock);
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RemoveHeadList(&This->ListHead);
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KeReleaseSpinLockFromDpcLevel(&This->Lock);
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InterlockedDecrement(&This->NumMappings);
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FreeMappingRoutine(CurMapping);
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}
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else
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{
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ExInterlockedInsertHeadList(&This->ListHead, &CurMapping->Entry, &This->Lock);
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}
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}
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ULONG
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@ -332,51 +345,6 @@ IIrpQueue_fnUpdateFormat(
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}
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VOID
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GetMapping(
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IIrpQueueImpl * This,
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IN ULONG Index,
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IN PVOID Tag,
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IN PIRP_MAPPING CurMapping,
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OUT PPHYSICAL_ADDRESS PhysicalAddress,
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OUT PVOID *VirtualAddress,
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OUT PULONG ByteCount,
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OUT PULONG Flags)
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{
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ULONG Offset;
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/* calculate the offset */
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if (Index)
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Offset = Index * This->MaxFrameSize;
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else
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Offset = 0;
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ASSERT(CurMapping->Header->DataUsed > Offset);
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*VirtualAddress = (PUCHAR)CurMapping->Header->Data + Offset;
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*PhysicalAddress = MmGetPhysicalAddress(*VirtualAddress);
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/* FIXME alignment */
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*ByteCount = min(CurMapping->Header->DataUsed - Offset, This->MaxFrameSize);
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/* reset out of mapping indicator */
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This->OutOfMapping = FALSE;
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/* decrement available byte counter */
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This->NumDataAvailable -= *ByteCount;
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/* store the tag */
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CurMapping->Tag[Index] = Tag;
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if (Index + 1 == CurMapping->NumTags)
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{
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/* indicate end of packet */
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*Flags = 1;
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}
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DPRINT("IIrpQueue_fnGetMappingWithTag Tag %p Mapping %p Index %u NumTags %u\n", Tag, CurMapping, Index, CurMapping->NumTags);
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}
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NTSTATUS
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NTAPI
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IIrpQueue_fnGetMappingWithTag(
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@ -389,46 +357,48 @@ IIrpQueue_fnGetMappingWithTag(
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{
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PIRP_MAPPING CurMapping;
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PLIST_ENTRY CurEntry;
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ULONG Index;
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ULONG Value;
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IIrpQueueImpl * This = (IIrpQueueImpl*)iface;
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*Flags = 0;
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ASSERT(Tag != NULL);
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KeAcquireSpinLockAtDpcLevel(&This->Lock);
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CurEntry = This->ListHead.Flink;
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if (CurEntry == &This->ListHead)
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CurEntry = ExInterlockedRemoveHeadList(&This->ListHead, &This->Lock);
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if (!CurEntry)
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{
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KeReleaseSpinLockFromDpcLevel(&This->Lock);
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This->OutOfMapping = TRUE;
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This->StartStream = FALSE;
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return STATUS_UNSUCCESSFUL;
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}
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while (CurEntry != &This->ListHead)
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{
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CurMapping = CONTAINING_RECORD(CurEntry, IRP_MAPPING, Entry);
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for(Index = 0; Index < CurMapping->NumTags; Index++)
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*PhysicalAddress = MmGetPhysicalAddress(CurMapping->Buffer);
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*VirtualAddress = CurMapping->Buffer;
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*ByteCount = CurMapping->BufferSize;
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InterlockedDecrement(&This->NumMappings);
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This->NumDataAvailable -= CurMapping->BufferSize;
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if (CurMapping->OriginalBuffer)
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{
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Value = CurMapping->References & ( 1 << Index);
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if (CurMapping->Tag[Index] == NULL && Value)
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/* last partial buffer */
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*Flags = 1;
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/* store tag */
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CurMapping->Tag = Tag;
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/* insert into list to free later */
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ExInterlockedInsertTailList(&This->FreeHead, &CurMapping->Entry, &This->Lock);
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}
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else
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{
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/* found a free mapping within audio irp */
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GetMapping(This, Index, Tag, CurMapping, PhysicalAddress, VirtualAddress, ByteCount, Flags);
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KeReleaseSpinLockFromDpcLevel(&This->Lock);
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/* we can free this entry now */
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FreeItem(CurMapping, TAG_PORTCLASS);
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}
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DPRINT("IIrpQueue_fnGetMappingWithTag Tag %p\n", Tag);
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return STATUS_SUCCESS;
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}
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}
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CurEntry = CurEntry->Flink;
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}
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KeReleaseSpinLockFromDpcLevel(&This->Lock);
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This->OutOfMapping = TRUE;
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This->StartStream = FALSE;
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DPRINT("No Mapping available\n");
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return STATUS_UNSUCCESSFUL;
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}
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NTSTATUS
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NTAPI
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@ -438,62 +408,28 @@ IIrpQueue_fnReleaseMappingWithTag(
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{
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PIRP_MAPPING CurMapping = NULL;
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PLIST_ENTRY CurEntry;
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ULONG Index = 0;
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ULONG Found;
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IIrpQueueImpl * This = (IIrpQueueImpl*)iface;
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KeAcquireSpinLockAtDpcLevel(&This->Lock);
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DPRINT("IIrpQueue_fnReleaseMappingWithTag Tag %p\n", Tag);
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CurEntry = This->ListHead.Flink;
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if (CurEntry == &This->ListHead)
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CurEntry = ExInterlockedRemoveHeadList(&This->FreeHead, &This->Lock);
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if (!CurMapping)
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{
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KeReleaseSpinLockFromDpcLevel(&This->Lock);
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return STATUS_UNSUCCESSFUL;
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}
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Found = FALSE;
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while (CurEntry != &This->ListHead)
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{
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CurMapping = CONTAINING_RECORD(CurEntry, IRP_MAPPING, Entry);
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for(Index = 0; Index < CurMapping->NumTags; Index++)
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{
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if (CurMapping->Tag[Index] == Tag)
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{
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Found = TRUE;
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CurMapping->Tag[Index] = NULL;
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break;
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}
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}
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if (Found)
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break;
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CurEntry = CurEntry->Flink;
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}
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if (!Found)
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{
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DPRINT1("Tag %p not found\n", Tag);
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ASSERT(Found);
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}
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DPRINT("References %x\n", CurMapping->References);
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CurMapping->References &= ~(1 << Index);
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if (CurMapping->References)
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{
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/* released mapping is not the last mapping of the irp */
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DPRINT1("IIrpQueue_fnReleaseMappingWithTag Tag %p Index %u NumTags %u Refs %x\n", Tag, Index, CurMapping->NumTags, CurMapping->References);
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KeReleaseSpinLockFromDpcLevel(&This->Lock);
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return STATUS_SUCCESS;
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}
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RemoveEntryList(&CurMapping->Entry);
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CurMapping = CONTAINING_RECORD(CurEntry, IRP_MAPPING, Entry);
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if (CurMapping->Tag != Tag)
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{
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/* the released mapping is not the last one */
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ExInterlockedInsertHeadList(&This->FreeHead, &CurMapping->Entry, &This->Lock);
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return STATUS_SUCCESS;
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}
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/* last mapping of the irp, free irp */
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DPRINT("Freeing mapping %p\n", CurMapping);
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InterlockedDecrement(&This->NumMappings);
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FreeMappingRoutine(CurMapping);
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KeReleaseSpinLockFromDpcLevel(&This->Lock);
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DPRINT("IIrpQueue_fnReleaseMappingWithTag Tag %p Mapping %p FREED\n", Tag, CurMapping);
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FreeMappingRoutine(CurMapping);
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return STATUS_SUCCESS;
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}
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@ -506,6 +442,32 @@ IIrpQueue_fnHasLastMappingFailed(
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return This->OutOfMapping;
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}
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VOID
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NTAPI
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IIrpQueue_fnPrintQueueStatus(
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IN IIrpQueue *iface)
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{
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PIRP_MAPPING CurMapping = NULL;
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PLIST_ENTRY CurEntry;
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IIrpQueueImpl * This = (IIrpQueueImpl*)iface;
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KeAcquireSpinLockAtDpcLevel(&This->Lock);
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CurEntry = This->ListHead.Flink;
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DPRINT("IIrpQueue_fnPrintQueueStatus % u ===============\n", This->NumMappings);
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while (CurEntry != &This->ListHead)
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{
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CurMapping = CONTAINING_RECORD(CurEntry, IRP_MAPPING, Entry);
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DPRINT("Mapping %p Size %u Original %p\n", CurMapping, CurMapping->BufferSize, CurMapping->OriginalBuffer);
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CurEntry = CurEntry->Flink;
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}
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KeReleaseSpinLockFromDpcLevel(&This->Lock);
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DPRINT("IIrpQueue_fnPrintQueueStatus ===============\n");
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}
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static IIrpQueueVtbl vt_IIrpQueue =
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{
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IIrpQueue_fnQueryInterface,
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@ -522,7 +484,8 @@ static IIrpQueueVtbl vt_IIrpQueue =
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IIrpQueue_fnUpdateFormat,
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IIrpQueue_fnGetMappingWithTag,
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IIrpQueue_fnReleaseMappingWithTag,
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IIrpQueue_fnHasLastMappingFailed
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IIrpQueue_fnHasLastMappingFailed,
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IIrpQueue_fnPrintQueueStatus
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};
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@ -207,6 +207,10 @@ IPortDMus_fnInit(
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Miniport->lpVtbl->Release(Miniport);
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return Status;
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}
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/* increment reference on miniport adapter */
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Miniport->lpVtbl->AddRef(Miniport);
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}
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else
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{
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@ -226,6 +230,9 @@ IPortDMus_fnInit(
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MidiMiniport->lpVtbl->Release(MidiMiniport);
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return Status;
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}
|
||||
|
||||
/* increment reference on miniport adapter */
|
||||
MidiMiniport->lpVtbl->AddRef(MidiMiniport);
|
||||
}
|
||||
|
||||
/* create the subdevice descriptor */
|
||||
|
|
@ -265,10 +272,6 @@ IPortDMus_fnInit(
|
|||
This->pDeviceObject = DeviceObject;
|
||||
This->bInitialized = TRUE;
|
||||
|
||||
/* increment reference on miniport adapter */
|
||||
Miniport->lpVtbl->AddRef(Miniport);
|
||||
|
||||
|
||||
/* check if it supports IPinCount interface */
|
||||
Status = UnknownMiniport->lpVtbl->QueryInterface(UnknownMiniport, &IID_IPinCount, (PVOID*)&PinCount);
|
||||
if (NT_SUCCESS(Status))
|
||||
|
|
|
|||
|
|
@ -504,7 +504,6 @@ PcCreateItemDispatch(
|
|||
PIO_STACK_LOCATION IoStack;
|
||||
ISubdevice * SubDevice;
|
||||
PPCLASS_DEVICE_EXTENSION DeviceExt;
|
||||
SUBDEVICE_ENTRY * Entry;
|
||||
IIrpTarget *Filter;
|
||||
PKSOBJECT_CREATE_ITEM CreateItem;
|
||||
PPIN_WORKER_CONTEXT Context;
|
||||
|
|
@ -528,13 +527,6 @@ PcCreateItemDispatch(
|
|||
return STATUS_UNSUCCESSFUL;
|
||||
}
|
||||
|
||||
Entry = AllocateItem(NonPagedPool, sizeof(SUBDEVICE_ENTRY), TAG_PORTCLASS);
|
||||
if (!Entry)
|
||||
{
|
||||
DPRINT1("PcCreateItemDispatch no memory\n");
|
||||
return STATUS_INSUFFICIENT_RESOURCES;
|
||||
}
|
||||
|
||||
#if KS_IMPLEMENTED
|
||||
Status = KsReferenceSoftwareBusObject(DeviceExt->KsDeviceHeader);
|
||||
if (!NT_SUCCESS(Status) && Status != STATUS_NOT_IMPLEMENTED)
|
||||
|
|
|
|||
Loading…
Reference in a new issue