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Basic resources device allocation (doesn't prevent conflicts)
Send allocated resources in IRP_MN_START_DEVICE svn path=/trunk/; revision=15402
This commit is contained in:
Hervé Poussineau
parent
3e43a2215b
commit
7403e34ca9
2 changed files with 163 additions and 5 deletions
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@ -135,7 +135,6 @@ NTSTATUS
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IopStartDevice(
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IopStartDevice(
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PDEVICE_NODE DeviceNode)
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PDEVICE_NODE DeviceNode)
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{
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{
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IO_STATUS_BLOCK IoStatusBlock;
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IO_STATUS_BLOCK IoStatusBlock;
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IO_STACK_LOCATION Stack;
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IO_STACK_LOCATION Stack;
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PDEVICE_OBJECT Fdo;
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PDEVICE_OBJECT Fdo;
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@ -144,10 +143,8 @@ IopStartDevice(
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DPRINT("Sending IRP_MN_START_DEVICE to driver\n");
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DPRINT("Sending IRP_MN_START_DEVICE to driver\n");
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Fdo = IoGetAttachedDeviceReference(DeviceNode->PhysicalDeviceObject);
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Fdo = IoGetAttachedDeviceReference(DeviceNode->PhysicalDeviceObject);
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/* FIXME: Should be DeviceNode->ResourceList */
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Stack.Parameters.StartDevice.AllocatedResources = DeviceNode->ResourceList;
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Stack.Parameters.StartDevice.AllocatedResources = DeviceNode->BootResources;
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Stack.Parameters.StartDevice.AllocatedResourcesTranslated = DeviceNode->ResourceListTranslated;
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/* FIXME: Should be DeviceNode->ResourceListTranslated */
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Stack.Parameters.StartDevice.AllocatedResourcesTranslated = DeviceNode->BootResources;
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Status = IopInitiatePnpIrp(
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Status = IopInitiatePnpIrp(
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Fdo,
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Fdo,
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@ -242,6 +242,7 @@ IoGetDeviceProperty(
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Length = 0;
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Length = 0;
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Data = NULL;
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Data = NULL;
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}
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}
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break;
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case DevicePropertyPhysicalDeviceObjectName:
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case DevicePropertyPhysicalDeviceObjectName:
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return STATUS_NOT_IMPLEMENTED;
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return STATUS_NOT_IMPLEMENTED;
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@ -894,6 +895,160 @@ IopSetDeviceInstanceData(HANDLE InstanceKey,
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}
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}
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NTSTATUS
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IopAssignDeviceResources(
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PDEVICE_NODE DeviceNode)
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{
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PIO_RESOURCE_LIST ResourceList;
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PIO_RESOURCE_DESCRIPTOR ResourceDescriptor;
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PCM_PARTIAL_RESOURCE_DESCRIPTOR DescriptorRaw, DescriptorTranslated;
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ULONG NumberOfResources = 0;
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ULONG i;
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/* Fill DeviceNode->ResourceList and DeviceNode->ResourceListTranslated;
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* by using DeviceNode->ResourceRequirements */
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if (!DeviceNode->ResourceRequirements
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|| DeviceNode->ResourceRequirements->AlternativeLists == 0)
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{
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DeviceNode->ResourceList = DeviceNode->ResourceListTranslated = NULL;
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return STATUS_SUCCESS;
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}
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/* FIXME: that's here that PnP arbiter should go */
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/* Actually, simply use resource list #0 as assigned resource list */
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ResourceList = &DeviceNode->ResourceRequirements->List[0];
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if (ResourceList->Version != 1 || ResourceList->Revision != 1)
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return STATUS_REVISION_MISMATCH;
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DeviceNode->ResourceList = ExAllocatePool(PagedPool,
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sizeof(CM_RESOURCE_LIST) + ResourceList->Count * sizeof(CM_PARTIAL_RESOURCE_DESCRIPTOR));
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if (!DeviceNode->ResourceList)
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return STATUS_INSUFFICIENT_RESOURCES;
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DeviceNode->ResourceListTranslated = ExAllocatePool(PagedPool,
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sizeof(CM_RESOURCE_LIST) + ResourceList->Count * sizeof(CM_PARTIAL_RESOURCE_DESCRIPTOR));
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if (!DeviceNode->ResourceListTranslated)
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{
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ExFreePool(DeviceNode->ResourceList);
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return STATUS_INSUFFICIENT_RESOURCES;
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}
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DeviceNode->ResourceList->Count = 1;
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DeviceNode->ResourceList->List[0].InterfaceType = DeviceNode->ResourceRequirements->InterfaceType;
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DeviceNode->ResourceList->List[0].BusNumber = DeviceNode->ResourceRequirements->BusNumber;
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DeviceNode->ResourceList->List[0].PartialResourceList.Version = 1;
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DeviceNode->ResourceList->List[0].PartialResourceList.Revision = 1;
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DeviceNode->ResourceListTranslated->Count = 1;
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DeviceNode->ResourceListTranslated->List[0].InterfaceType = DeviceNode->ResourceRequirements->InterfaceType;
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DeviceNode->ResourceListTranslated->List[0].BusNumber = DeviceNode->ResourceRequirements->BusNumber;
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DeviceNode->ResourceListTranslated->List[0].PartialResourceList.Version = 1;
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DeviceNode->ResourceListTranslated->List[0].PartialResourceList.Revision = 1;
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for (i = 0; i < ResourceList->Count; i++)
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{
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ResourceDescriptor = &ResourceList->Descriptors[i];
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if (ResourceDescriptor->Option == 0 || ResourceDescriptor->Option == IO_RESOURCE_PREFERRED)
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{
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DescriptorRaw = &DeviceNode->ResourceList->List[0].PartialResourceList.PartialDescriptors[NumberOfResources];
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DescriptorTranslated = &DeviceNode->ResourceListTranslated->List[0].PartialResourceList.PartialDescriptors[NumberOfResources];
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NumberOfResources++;
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/* Copy ResourceDescriptor to DescriptorRaw and DescriptorTranslated */
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DescriptorRaw->Type = DescriptorTranslated->Type = ResourceDescriptor->Type;
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DescriptorRaw->ShareDisposition = DescriptorTranslated->ShareDisposition = ResourceDescriptor->ShareDisposition;
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DescriptorRaw->Flags = DescriptorTranslated->Flags = ResourceDescriptor->Flags;
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switch (ResourceDescriptor->Type)
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{
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case CmResourceTypePort:
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{
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DescriptorRaw->u.Port.Start = ResourceDescriptor->u.Port.MinimumAddress;
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DescriptorRaw->u.Port.Length = DescriptorTranslated->u.Port.Length
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= ResourceDescriptor->u.Port.Length;
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/*FIXME: DescriptorTranslated->u.Port.Start? */
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break;
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}
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case CmResourceTypeInterrupt:
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{
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DescriptorRaw->u.Interrupt.Vector = 0;
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/* FIXME: if IRQ 9 is in the possible range, use it.
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* This should be a PCI device */
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if (ResourceDescriptor->u.Interrupt.MinimumVector <= 9
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&& ResourceDescriptor->u.Interrupt.MaximumVector >= 9)
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DescriptorRaw->u.Interrupt.Level = 9;
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else
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DescriptorRaw->u.Interrupt.Level = ResourceDescriptor->u.Interrupt.MinimumVector;
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DescriptorTranslated->u.Interrupt.Vector = HalGetInterruptVector(
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DeviceNode->ResourceRequirements->InterfaceType,
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DeviceNode->ResourceRequirements->BusNumber,
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DescriptorRaw->u.Interrupt.Level,
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DescriptorRaw->u.Interrupt.Vector,
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(PKIRQL)&DescriptorTranslated->u.Interrupt.Level,
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&DescriptorRaw->u.Interrupt.Affinity);
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DescriptorTranslated->u.Interrupt.Affinity = DescriptorRaw->u.Interrupt.Affinity;
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break;
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}
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case CmResourceTypeMemory:
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{
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DescriptorRaw->u.Memory.Start = ResourceDescriptor->u.Memory.MinimumAddress;
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DescriptorRaw->u.Memory.Length = DescriptorTranslated->u.Memory.Length
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= ResourceDescriptor->u.Port.Length;
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/*FIXME: DescriptorTranslated->u.Memory.Start? */
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break;
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}
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case CmResourceTypeDma:
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{
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DPRINT1("IopAssignDeviceResources(): CmResourceTypeDma case not implemented\n");
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DescriptorRaw->u.Dma.Channel = DescriptorTranslated->u.Dma.Channel
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= ResourceDescriptor->u.Dma.MinimumChannel;
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DescriptorRaw->u.Dma.Port = DescriptorTranslated->u.Dma.Port
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= 0; /* FIXME */
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DescriptorRaw->u.Dma.Reserved1 = DescriptorTranslated->u.Dma.Reserved1
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= 0;
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break;
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}
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/*case CmResourceTypeBusNumber:
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{
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DescriptorRaw->u.BusNumber.Start = DescriptorTranslated->u.BusNumber.Start
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= ResourceDescriptor->u.BusNumber.MinBusNumber;
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DescriptorRaw->u.BusNumber.Length = DescriptorTranslated->u.BusNumber.Length
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= ResourceDescriptor->u.BusNumber.Length;
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DescriptorRaw->u.BusNumber.Reserved = DescriptorTranslated->u.BusNumber.Reserved
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= ResourceDescriptor->u.BusNumber.Reserved;
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break;
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}*/
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/*CmResourceTypeDevicePrivate:
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case CmResourceTypePcCardConfig:
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case CmResourceTypeMfCardConfig:
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{
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RtlCopyMemory(
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&DescriptorRaw->u.DevicePrivate,
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&ResourceDescriptor->u.DevicePrivate,
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sizeof(ResourceDescriptor->u.DevicePrivate));
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RtlCopyMemory(
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&DescriptorTranslated->u.DevicePrivate,
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&ResourceDescriptor->u.DevicePrivate,
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sizeof(ResourceDescriptor->u.DevicePrivate));
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break;
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}*/
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default:
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DPRINT1("IopAssignDeviceResources(): unknown resource descriptor type 0x%x\n", ResourceDescriptor->Type);
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NumberOfResources--;
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}
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}
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}
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DeviceNode->ResourceList->List[0].PartialResourceList.Count = NumberOfResources;
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DeviceNode->ResourceListTranslated->List[0].PartialResourceList.Count = NumberOfResources;
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return STATUS_SUCCESS;
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}
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/*
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/*
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* IopActionInterrogateDeviceStack
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* IopActionInterrogateDeviceStack
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*
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*
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@ -1317,6 +1472,12 @@ IopActionInterrogateDeviceStack(
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ZwClose(InstanceKey);
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ZwClose(InstanceKey);
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Status = IopAssignDeviceResources(DeviceNode);
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if (!NT_SUCCESS(Status))
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{
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DPRINT("IopAssignDeviceResources() failed (Status %x)\n", Status);
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}
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DeviceNode->Flags |= DNF_PROCESSED;
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DeviceNode->Flags |= DNF_PROCESSED;
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/* Report the device to the user-mode pnp manager */
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/* Report the device to the user-mode pnp manager */
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