[cgutman] 49162: [SCSIPORT] - Implement support for 2 interrupts - Halfplement support for 2 DMA channels - Set/Read the CM_RESOURCE_DMA flags - Remove a duplicate spin lock initialization - Partia...
15 Oct
2010
15 Oct
'10
9:38 p.m.
Author: cgutman
Date: Fri Oct 15 21:38:00 2010
New Revision: 49162
URL: http://svn.reactos.org/svn/reactos?rev=49162&view=rev
Log:
[SCSIPORT]
- Implement support for 2 interrupts
- Halfplement support for 2 DMA channels
- Set/Read the CM_RESOURCE_DMA flags
- Remove a duplicate spin lock initialization
- Partially tested with 2 interrupts in use but UniATA seems to be broken because it
registers both interrupts for each channel even though they are not sharable which causes
it to fail when initializing the secondary IDE channel
Modified:
trunk/reactos/drivers/storage/scsiport/scsiport.c
trunk/reactos/drivers/storage/scsiport/scsiport_int.h
Modified: trunk/reactos/drivers/storage/scsiport/scsiport.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/drivers/storage/scsiport/s…
==============================================================================
--- trunk/reactos/drivers/storage/scsiport/scsiport.c [iso-8859-1] (original)
+++ trunk/reactos/drivers/storage/scsiport/scsiport.c [iso-8859-1] Fri Oct 15 21:38:00
2010
@@ -1041,10 +1041,8 @@
WCHAR DosNameBuffer[80];
UNICODE_STRING DosDeviceName;
PIO_SCSI_CAPABILITIES PortCapabilities;
- ULONG MappedIrq;
- KIRQL Dirql;
- KAFFINITY Affinity;
-
+
+ KIRQL OldIrql;
PCM_RESOURCE_LIST ResourceList;
BOOLEAN Conflict;
@@ -1137,6 +1135,7 @@
/* Fill Device Extension */
DeviceExtension = PortDeviceObject->DeviceExtension;
+ RtlZeroMemory(DeviceExtension, DeviceExtensionSize);
DeviceExtension->Length = DeviceExtensionSize;
DeviceExtension->DeviceObject = PortDeviceObject;
DeviceExtension->PortNumber = SystemConfig->ScsiPortCount;
@@ -1509,45 +1508,55 @@
(PortConfig->BusInterruptLevel == 0 &&
PortConfig->BusInterruptVector == 0))
{
/* No interrupts */
- KeInitializeSpinLock(&DeviceExtension->IrqLock);
-
- /* FIXME: Use synchronization routine */
- ASSERT("No interrupts branch requires changes in
synchronization\n");
-
- DeviceExtension->Interrupt = (PVOID)DeviceExtension;
- DPRINT("No interrupts\n");
-
+ DeviceExtension->InterruptCount = 0;
+
+ DPRINT1("Interrupt Count: 0\n");
+
+ UNIMPLEMENTED;
+
+ /* This code path will ALWAYS crash so stop it now */
+ while(TRUE);
}
else
{
- /* Are 2 interrupts needed? */
- if (DeviceExtension->HwInterrupt != NULL &&
- (PortConfig->BusInterruptLevel != 0 || PortConfig->BusInterruptVector
!= 0) &&
- (PortConfig->BusInterruptLevel2 != 0 ||
PortConfig->BusInterruptVector2 != 0))
+ BOOLEAN InterruptShareable;
+ KINTERRUPT_MODE InterruptMode[2];
+ ULONG InterruptVector[2], i, MappedIrq[2];
+ KIRQL Dirql[2], MaxDirql;
+ KAFFINITY Affinity[2];
+
+ DeviceExtension->InterruptLevel[0] = PortConfig->BusInterruptLevel;
+ DeviceExtension->InterruptLevel[1] = PortConfig->BusInterruptLevel2;
+
+ InterruptVector[0] = PortConfig->BusInterruptVector;
+ InterruptVector[1] = PortConfig->BusInterruptVector2;
+
+ InterruptMode[0] = PortConfig->InterruptMode;
+ InterruptMode[1] = PortConfig->InterruptMode2;
+
+ DeviceExtension->InterruptCount = (PortConfig->BusInterruptLevel2 != 0 ||
PortConfig->BusInterruptVector2 != 0) ? 2 : 1;
+
+ for (i = 0; i < DeviceExtension->InterruptCount; i++)
{
- DPRINT1("2 interrupts requested! Not yet supported\n");
- ASSERT(FALSE);
+ /* Register an interrupt handler for this device */
+ MappedIrq[i] = HalGetInterruptVector(PortConfig->AdapterInterfaceType,
+ PortConfig->SystemIoBusNumber,
+
DeviceExtension->InterruptLevel[i],
+ InterruptVector[i],
+ &Dirql[i],
+ &Affinity[i]);
}
+
+ if (DeviceExtension->InterruptCount == 1 || Dirql[0] > Dirql[1])
+ MaxDirql = Dirql[0];
else
+ MaxDirql = Dirql[1];
+
+ for (i = 0; i < DeviceExtension->InterruptCount; i++)
{
- BOOLEAN InterruptShareable;
-
- /* No, only 1 interrupt */
- DPRINT("1 interrupt, IRQ is %d\n",
PortConfig->BusInterruptLevel);
-
- DeviceExtension->InterruptLevel = PortConfig->BusInterruptLevel;
-
- /* Register an interrupt handler for this device */
- MappedIrq = HalGetInterruptVector(PortConfig->AdapterInterfaceType,
- PortConfig->SystemIoBusNumber,
- PortConfig->BusInterruptLevel,
- PortConfig->BusInterruptVector,
- &Dirql,
- &Affinity);
-
/* Determing IRQ sharability as usual */
if (PortConfig->AdapterInterfaceType == MicroChannel ||
- PortConfig->InterruptMode == LevelSensitive)
+ InterruptMode[i] == LevelSensitive)
{
InterruptShareable = TRUE;
}
@@ -1556,27 +1565,29 @@
InterruptShareable = FALSE;
}
- Status = IoConnectInterrupt(&DeviceExtension->Interrupt,
+ Status = IoConnectInterrupt(&DeviceExtension->Interrupt[i],
(PKSERVICE_ROUTINE)ScsiPortIsr,
DeviceExtension,
- NULL,
- MappedIrq,
- Dirql,
- Dirql,
- PortConfig->InterruptMode,
+ &DeviceExtension->IrqLock,
+ MappedIrq[i],
+ Dirql[i],
+ MaxDirql,
+ InterruptMode[i],
InterruptShareable,
- Affinity,
+ Affinity[i],
FALSE);
if (!(NT_SUCCESS(Status)))
{
DPRINT1("Could not connect interrupt %d\n",
- PortConfig->BusInterruptVector);
- DeviceExtension->Interrupt = NULL;
+ InterruptVector[i]);
+ DeviceExtension->Interrupt[i] = NULL;
break;
}
-
}
+
+ if (!NT_SUCCESS(Status))
+ break;
}
/* Save IoAddress (from access ranges) */
@@ -1607,14 +1618,14 @@
}
/* Call HwInitialize at DISPATCH_LEVEL */
- KeRaiseIrql(DISPATCH_LEVEL, &Dirql);
-
- if (!KeSynchronizeExecution(DeviceExtension->Interrupt,
+ KeRaiseIrql(DISPATCH_LEVEL, &OldIrql);
+
+ if (!KeSynchronizeExecution(DeviceExtension->Interrupt[0],
DeviceExtension->HwInitialize,
DeviceExtension->MiniPortDeviceExtension))
{
DPRINT1("HwInitialize() failed!\n");
- KeLowerIrql(Dirql);
+ KeLowerIrql(OldIrql);
Status = STATUS_ADAPTER_HARDWARE_ERROR;
break;
}
@@ -1630,7 +1641,7 @@
}
/* Lower irql back to what it was */
- KeLowerIrql(Dirql);
+ KeLowerIrql(OldIrql);
/* Start our timer */
IoStartTimer(PortDeviceObject);
@@ -1720,11 +1731,14 @@
if (DeviceExtension == NULL)
return;
- /* Stop the timer and disconnect the interrupt */
- if (DeviceExtension->Interrupt)
- {
- IoStopTimer(DeviceExtension->DeviceObject);
- IoDisconnectInterrupt(DeviceExtension->Interrupt);
+ /* Stop the timer */
+ IoStopTimer(DeviceExtension->DeviceObject);
+
+ /* Disconnect the interrupts */
+ while (DeviceExtension->InterruptCount)
+ {
+ if (DeviceExtension->Interrupt[--DeviceExtension->InterruptCount])
+
IoDisconnectInterrupt(DeviceExtension->Interrupt[DeviceExtension->InterruptCount]);
}
/* Delete ConfigInfo */
@@ -2042,6 +2056,8 @@
PCM_PARTIAL_RESOURCE_DESCRIPTOR PartialData;
ULONG RangeNumber;
ULONG Index;
+ ULONG Interrupt = 0;
+ ULONG Dma = 0;
RangeNumber = 0;
@@ -2081,24 +2097,71 @@
break;
case CmResourceTypeInterrupt:
- /* Copy interrupt data */
- PortConfig->BusInterruptLevel = PartialData->u.Interrupt.Level;
- PortConfig->BusInterruptVector = PartialData->u.Interrupt.Vector;
-
- /* Set interrupt mode accordingly to the resource */
- if (PartialData->Flags == CM_RESOURCE_INTERRUPT_LATCHED)
+
+ if (Interrupt == 0)
{
- PortConfig->InterruptMode = Latched;
+ /* Copy interrupt data */
+ PortConfig->BusInterruptLevel = PartialData->u.Interrupt.Level;
+ PortConfig->BusInterruptVector = PartialData->u.Interrupt.Vector;
+
+ /* Set interrupt mode accordingly to the resource */
+ if (PartialData->Flags == CM_RESOURCE_INTERRUPT_LATCHED)
+ {
+ PortConfig->InterruptMode = Latched;
+ }
+ else if (PartialData->Flags == CM_RESOURCE_INTERRUPT_LEVEL_SENSITIVE)
+ {
+ PortConfig->InterruptMode = LevelSensitive;
+ }
}
- else if (PartialData->Flags == CM_RESOURCE_INTERRUPT_LEVEL_SENSITIVE)
+ else if (Interrupt == 1)
{
- PortConfig->InterruptMode = LevelSensitive;
+ /* Copy interrupt data */
+ PortConfig->BusInterruptLevel2 = PartialData->u.Interrupt.Level;
+ PortConfig->BusInterruptVector2 = PartialData->u.Interrupt.Vector;
+
+ /* Set interrupt mode accordingly to the resource */
+ if (PartialData->Flags == CM_RESOURCE_INTERRUPT_LATCHED)
+ {
+ PortConfig->InterruptMode2 = Latched;
+ }
+ else if (PartialData->Flags == CM_RESOURCE_INTERRUPT_LEVEL_SENSITIVE)
+ {
+ PortConfig->InterruptMode2 = LevelSensitive;
+ }
}
+
+ Interrupt++;
break;
case CmResourceTypeDma:
- PortConfig->DmaChannel = PartialData->u.Dma.Channel;
- PortConfig->DmaPort = PartialData->u.Dma.Port;
+
+ if (Dma == 0)
+ {
+ PortConfig->DmaChannel = PartialData->u.Dma.Channel;
+ PortConfig->DmaPort = PartialData->u.Dma.Port;
+
+ if (PartialData->Flags & CM_RESOURCE_DMA_8)
+ PortConfig->DmaWidth = Width8Bits;
+ else if ((PartialData->Flags & CM_RESOURCE_DMA_16) ||
+ (PartialData->Flags & CM_RESOURCE_DMA_8_AND_16)) //???
+ PortConfig->DmaWidth = Width16Bits;
+ else if (PartialData->Flags & CM_RESOURCE_DMA_32)
+ PortConfig->DmaWidth = Width32Bits;
+ }
+ else if (Dma == 1)
+ {
+ PortConfig->DmaChannel = PartialData->u.Dma.Channel;
+ PortConfig->DmaPort = PartialData->u.Dma.Port;
+
+ if (PartialData->Flags & CM_RESOURCE_DMA_8)
+ PortConfig->DmaWidth2 = Width8Bits;
+ else if ((PartialData->Flags & CM_RESOURCE_DMA_16) ||
+ (PartialData->Flags & CM_RESOURCE_DMA_8_AND_16)) //???
+ PortConfig->DmaWidth2 = Width16Bits;
+ else if (PartialData->Flags & CM_RESOURCE_DMA_32)
+ PortConfig->DmaWidth2 = Width32Bits;
+ }
break;
}
}
@@ -2112,9 +2175,8 @@
PCM_RESOURCE_LIST ResourceList;
PCM_PARTIAL_RESOURCE_DESCRIPTOR ResourceDescriptor;
PACCESS_RANGE AccessRange;
- BOOLEAN Dma;
ULONG ListLength = 0, i, FullSize;
- ULONG Interrupt;
+ ULONG Interrupt, Dma;
/* Get current Atdisk usage from the system */
ConfigInfo = IoGetConfigurationInformation();
@@ -2129,34 +2191,21 @@
if (PortConfig->DmaChannel != SP_UNINITIALIZED_VALUE ||
PortConfig->DmaPort != SP_UNINITIALIZED_VALUE)
{
- Dma = TRUE;
- ListLength++;
+ Dma = 1;
+
+ if (PortConfig->DmaChannel != SP_UNINITIALIZED_VALUE ||
+ PortConfig->DmaPort != SP_UNINITIALIZED_VALUE)
+ Dma++;
}
else
{
- Dma = FALSE;
- }
+ Dma = 0;
+ }
+ ListLength += Dma;
/* How many interrupts to we have? */
- if (DeviceExtension->HwInterrupt == NULL ||
- (PortConfig->BusInterruptLevel == 0 &&
- PortConfig->BusInterruptVector == 0))
- {
- Interrupt = 0;
- }
- else
- {
- Interrupt = 1;
- ListLength++;
- }
-
- if (DeviceExtension->HwInterrupt != NULL &&
- (PortConfig->BusInterruptLevel2 != 0 ||
- PortConfig->BusInterruptVector2 != 0))
- {
- Interrupt++;
- ListLength++;
- }
+ Interrupt = DeviceExtension->InterruptCount;
+ ListLength += Interrupt;
/* How many access ranges do we use? */
AccessRange = &((*(PortConfig->AccessRanges))[0]);
@@ -2221,7 +2270,7 @@
ResourceDescriptor->Type = CmResourceTypeInterrupt;
if (PortConfig->AdapterInterfaceType == MicroChannel ||
- PortConfig->InterruptMode == LevelSensitive)
+ ((Interrupt == 2) ? PortConfig->InterruptMode2 :
PortConfig->InterruptMode) == LevelSensitive)
{
ResourceDescriptor->ShareDisposition = CmResourceShareShared;
ResourceDescriptor->Flags = CM_RESOURCE_INTERRUPT_LEVEL_SENSITIVE;
@@ -2241,19 +2290,29 @@
}
/* Copy DMA data */
- if (Dma)
+ while (Dma)
{
ResourceDescriptor->Type = CmResourceTypeDma;
ResourceDescriptor->ShareDisposition = CmResourceShareDeviceExclusive;
- ResourceDescriptor->u.Dma.Channel = PortConfig->DmaChannel;
- ResourceDescriptor->u.Dma.Port = PortConfig->DmaPort;
+ ResourceDescriptor->u.Dma.Channel = (Dma == 2) ? PortConfig->DmaChannel2 :
PortConfig->DmaChannel;
+ ResourceDescriptor->u.Dma.Port = (Dma == 2) ? PortConfig->DmaPort2 :
PortConfig->DmaPort;
ResourceDescriptor->Flags = 0;
-
- if (PortConfig->DmaChannel == SP_UNINITIALIZED_VALUE)
+
+ if (((Dma == 2) ? PortConfig->DmaWidth2 : PortConfig->DmaWidth) ==
Width8Bits)
+ ResourceDescriptor->Flags |= CM_RESOURCE_DMA_8;
+ else if (((Dma == 2) ? PortConfig->DmaWidth2 : PortConfig->DmaWidth) ==
Width16Bits)
+ ResourceDescriptor->Flags |= CM_RESOURCE_DMA_16;
+ else
+ ResourceDescriptor->Flags |= CM_RESOURCE_DMA_32;
+
+ if (((Dma == 2) ? PortConfig->DmaChannel2 : PortConfig->DmaChannel) ==
SP_UNINITIALIZED_VALUE)
ResourceDescriptor->u.Dma.Channel = 0;
- if (PortConfig->DmaPort == SP_UNINITIALIZED_VALUE)
+ if (((Dma == 2) ? PortConfig->DmaPort2 : PortConfig->DmaPort) ==
SP_UNINITIALIZED_VALUE)
ResourceDescriptor->u.Dma.Port = 0;
+
+ ResourceDescriptor++;
+ Dma--;
}
return ResourceList;
@@ -2981,7 +3040,7 @@
KeAcquireSpinLockAtDpcLevel(&DeviceExtension->SpinLock);
- if (!KeSynchronizeExecution(DeviceExtension->Interrupt,
+ if (!KeSynchronizeExecution(DeviceExtension->Interrupt[0],
ScsiPortStartPacket,
DeviceObject))
{
@@ -3234,7 +3293,7 @@
/* Schedule an active request */
InterlockedIncrement(&DeviceExtension->ActiveRequestCounter );
KeAcquireSpinLock(&DeviceExtension->SpinLock, &CurrentIrql);
- KeSynchronizeExecution(DeviceExtension->Interrupt,
+ KeSynchronizeExecution(DeviceExtension->Interrupt[0],
ScsiPortStartPacket,
DeviceObject);
KeReleaseSpinLock(&DeviceExtension->SpinLock, CurrentIrql);
@@ -4796,7 +4855,7 @@
Context.InterruptData = &InterruptData;
Context.DeviceExtension = DeviceExtension;
- if (!KeSynchronizeExecution(DeviceExtension->Interrupt,
+ if (!KeSynchronizeExecution(DeviceExtension->Interrupt[0],
SpiSaveInterruptData,
&Context))
{
@@ -5089,7 +5148,7 @@
if (DeviceExtension->TimerCount == 0)
{
/* Timeout, process it */
- if (KeSynchronizeExecution(DeviceExtension->Interrupt,
+ if (KeSynchronizeExecution(DeviceExtension->Interrupt[0],
SpiProcessTimeout,
DeviceExtension->DeviceObject))
{
@@ -5143,7 +5202,7 @@
ResetParams.PathId = LunExtension->PathId;
ResetParams.DeviceExtension = DeviceExtension;
- if (!KeSynchronizeExecution(DeviceExtension->Interrupt,
+ if (!KeSynchronizeExecution(DeviceExtension->Interrupt[0],
SpiResetBus,
&ResetParams))
{
@@ -5654,6 +5713,8 @@
ConfigInfo->InterruptMode = Latched;
ConfigInfo->DmaChannel = SP_UNINITIALIZED_VALUE;
ConfigInfo->DmaPort = SP_UNINITIALIZED_VALUE;
+ ConfigInfo->DmaChannel2 = SP_UNINITIALIZED_VALUE;
+ ConfigInfo->DmaPort2 = SP_UNINITIALIZED_VALUE;
ConfigInfo->MaximumTransferLength = SP_UNINITIALIZED_VALUE;
ConfigInfo->NumberOfAccessRanges = HwInitData->NumberOfAccessRanges;
ConfigInfo->MaximumNumberOfTargets = 8;
@@ -5876,11 +5937,12 @@
PCM_FULL_RESOURCE_DESCRIPTOR FullResource;
PCM_PARTIAL_RESOURCE_DESCRIPTOR PartialDescriptor;
PCM_SCSI_DEVICE_DATA ScsiDeviceData;
- ULONG Length, Count;
+ ULONG Length, Count, Dma = 0, Interrupt = 0;
ULONG Index = 0, RangeCount = 0;
UNICODE_STRING UnicodeString;
ANSI_STRING AnsiString;
NTSTATUS Status = STATUS_SUCCESS;
+
KeyValueInformation = (PKEY_VALUE_FULL_INFORMATION) Buffer;
@@ -6169,16 +6231,61 @@
break;
case CmResourceTypeInterrupt:
- ConfigInfo->BusInterruptLevel =
+
+ if (Interrupt == 0)
+ {
+ ConfigInfo->BusInterruptLevel =
+ PartialDescriptor->u.Interrupt.Level;
+
+ ConfigInfo->BusInterruptVector =
+ PartialDescriptor->u.Interrupt.Vector;
+
+ ConfigInfo->InterruptMode = (PartialDescriptor->Flags &
CM_RESOURCE_INTERRUPT_LATCHED) ? Latched : LevelSensitive;
+ }
+ else if (Interrupt == 1)
+ {
+ ConfigInfo->BusInterruptLevel2 =
PartialDescriptor->u.Interrupt.Level;
- ConfigInfo->BusInterruptVector =
+ ConfigInfo->BusInterruptVector2 =
PartialDescriptor->u.Interrupt.Vector;
+
+ ConfigInfo->InterruptMode2 = (PartialDescriptor->Flags
& CM_RESOURCE_INTERRUPT_LATCHED) ? Latched : LevelSensitive;
+ }
+
+ Interrupt++;
break;
case CmResourceTypeDma:
- ConfigInfo->DmaChannel = PartialDescriptor->u.Dma.Channel;
- ConfigInfo->DmaPort = PartialDescriptor->u.Dma.Port;
+
+ if (Dma == 0)
+ {
+ ConfigInfo->DmaChannel = PartialDescriptor->u.Dma.Channel;
+ ConfigInfo->DmaPort = PartialDescriptor->u.Dma.Port;
+
+ if (PartialDescriptor->Flags & CM_RESOURCE_DMA_8)
+ ConfigInfo->DmaWidth = Width8Bits;
+ else if ((PartialDescriptor->Flags & CM_RESOURCE_DMA_16)
||
+ (PartialDescriptor->Flags &
CM_RESOURCE_DMA_8_AND_16)) //???
+ ConfigInfo->DmaWidth = Width16Bits;
+ else if (PartialDescriptor->Flags & CM_RESOURCE_DMA_32)
+ ConfigInfo->DmaWidth = Width32Bits;
+ }
+ else if (Dma == 1)
+ {
+ ConfigInfo->DmaChannel2 =
PartialDescriptor->u.Dma.Channel;
+ ConfigInfo->DmaPort2 = PartialDescriptor->u.Dma.Port;
+
+ if (PartialDescriptor->Flags & CM_RESOURCE_DMA_8)
+ ConfigInfo->DmaWidth2 = Width8Bits;
+ else if ((PartialDescriptor->Flags & CM_RESOURCE_DMA_16)
||
+ (PartialDescriptor->Flags &
CM_RESOURCE_DMA_8_AND_16)) //???
+ ConfigInfo->DmaWidth2 = Width16Bits;
+ else if (PartialDescriptor->Flags & CM_RESOURCE_DMA_32)
+ ConfigInfo->DmaWidth2 = Width32Bits;
+ }
+
+ Dma++;
break;
case CmResourceTypeDeviceSpecific:
@@ -6240,7 +6347,7 @@
DeviceExtension->MapRegisterBase = MapRegisterBase;
/* Start pending request */
- KeSynchronizeExecution(DeviceExtension->Interrupt,
+ KeSynchronizeExecution(DeviceExtension->Interrupt[0],
ScsiPortStartPacket, DeviceObject);
/* Release spinlock we took */
Modified: trunk/reactos/drivers/storage/scsiport/scsiport_int.h
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/drivers/storage/scsiport/s…
==============================================================================
--- trunk/reactos/drivers/storage/scsiport/scsiport_int.h [iso-8859-1] (original)
+++ trunk/reactos/drivers/storage/scsiport/scsiport_int.h [iso-8859-1] Fri Oct 15 21:38:00
2010
@@ -222,7 +222,7 @@
KSPIN_LOCK IrqLock; /* Used when there are 2 irqs */
ULONG SequenceNumber; /* Global sequence number for packets */
KSPIN_LOCK SpinLock;
- PKINTERRUPT Interrupt;
+ PKINTERRUPT Interrupt[2];
PIRP CurrentIrp;
ULONG IrpFlags;
@@ -281,13 +281,15 @@
PHYSICAL_ADDRESS PhysicalAddress;
ULONG CommonBufferLength;
- ULONG InterruptLevel;
+ ULONG InterruptLevel[2];
ULONG IoAddress;
BOOLEAN NeedSrbExtensionAlloc;
BOOLEAN NeedSrbDataAlloc;
ULONG RequestsNumber;
+
+ ULONG InterruptCount;
UCHAR MiniPortDeviceExtension[1]; /* must be the last entry */
} SCSI_PORT_DEVICE_EXTENSION, *PSCSI_PORT_DEVICE_EXTENSION;
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