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Implement IRP_MN_QUERY_RESOURCE_REQUIREMENTS
svn path=/trunk/; revision=15399
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parent
7646e46a35
commit
4507d7ac14
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@ -119,12 +119,16 @@ AcpiCreateInstanceIDString(PUNICODE_STRING InstanceID,
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static BOOLEAN
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AcpiCreateResourceList(PCM_RESOURCE_LIST* pResourceList,
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PULONG ResourceListSize,
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PIO_RESOURCE_REQUIREMENTS_LIST* pRequirementsList,
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PULONG RequirementsListSize,
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RESOURCE* resources)
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{
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BOOLEAN Done;
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ULONG NumberOfResources = 0;
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PCM_RESOURCE_LIST ResourceList;
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PIO_RESOURCE_REQUIREMENTS_LIST RequirementsList;
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PCM_PARTIAL_RESOURCE_DESCRIPTOR ResourceDescriptor;
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PIO_RESOURCE_DESCRIPTOR RequirementDescriptor;
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RESOURCE* resource;
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ULONG i;
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KIRQL Dirql;
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@ -176,6 +180,24 @@ AcpiCreateResourceList(PCM_RESOURCE_LIST* pResourceList,
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ResourceList->List[0].PartialResourceList.Count = NumberOfResources;
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ResourceDescriptor = ResourceList->List[0].PartialResourceList.PartialDescriptors;
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*RequirementsListSize = sizeof(IO_RESOURCE_REQUIREMENTS_LIST) + sizeof(IO_RESOURCE_DESCRIPTOR) * (NumberOfResources - 1);
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RequirementsList = (PIO_RESOURCE_REQUIREMENTS_LIST)ExAllocatePool(PagedPool, *RequirementsListSize);
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*pRequirementsList = RequirementsList;
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if (!RequirementsList)
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{
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ExFreePool(ResourceList);
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return FALSE;
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}
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RequirementsList->ListSize = *RequirementsListSize;
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RequirementsList->InterfaceType = ResourceList->List[0].InterfaceType;
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RequirementsList->BusNumber = ResourceList->List[0].BusNumber;
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RequirementsList->SlotNumber = 0; /* Not used by WDM drivers */
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RequirementsList->AlternativeLists = 1;
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RequirementsList->List[0].Version = 1;
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RequirementsList->List[0].Revision = 1;
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RequirementsList->List[0].Count = NumberOfResources;
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RequirementDescriptor = RequirementsList->List[0].Descriptors;
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/* Fill resources list structure */
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Done = FALSE;
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resource = resources;
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@ -199,7 +221,16 @@ AcpiCreateResourceList(PCM_RESOURCE_LIST* pResourceList,
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&Dirql,
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&ResourceDescriptor->u.Interrupt.Affinity);
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ResourceDescriptor->u.Interrupt.Level = (ULONG)Dirql;
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RequirementDescriptor->Option = 0; /* Required */
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RequirementDescriptor->Type = ResourceDescriptor->Type;
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RequirementDescriptor->ShareDisposition = ResourceDescriptor->ShareDisposition;
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RequirementDescriptor->Flags = ResourceDescriptor->Flags;
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RequirementDescriptor->u.Interrupt.MinimumVector = RequirementDescriptor->u.Interrupt.MaximumVector
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= irq_data->interrupts[i];
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ResourceDescriptor++;
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RequirementDescriptor++;
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}
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break;
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}
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@ -225,7 +256,16 @@ AcpiCreateResourceList(PCM_RESOURCE_LIST* pResourceList,
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case TRANSFER_8_16: ResourceDescriptor->Flags |= CM_RESOURCE_DMA_8_AND_16; break;
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}
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ResourceDescriptor->u.Dma.Channel = dma_data->channels[i];
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RequirementDescriptor->Option = 0; /* Required */
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RequirementDescriptor->Type = ResourceDescriptor->Type;
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RequirementDescriptor->ShareDisposition = ResourceDescriptor->ShareDisposition;
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RequirementDescriptor->Flags = ResourceDescriptor->Flags;
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RequirementDescriptor->u.Dma.MinimumChannel = RequirementDescriptor->u.Dma.MaximumChannel
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= ResourceDescriptor->u.Dma.Channel;
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ResourceDescriptor++;
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RequirementDescriptor++;
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}
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break;
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}
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@ -242,7 +282,18 @@ AcpiCreateResourceList(PCM_RESOURCE_LIST* pResourceList,
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ResourceDescriptor->u.Port.Start.u.HighPart = 0;
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ResourceDescriptor->u.Port.Start.u.LowPart = io_data->min_base_address;
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ResourceDescriptor->u.Port.Length = io_data->range_length;
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RequirementDescriptor->Option = 0; /* Required */
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RequirementDescriptor->Type = ResourceDescriptor->Type;
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RequirementDescriptor->ShareDisposition = ResourceDescriptor->ShareDisposition;
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RequirementDescriptor->Flags = ResourceDescriptor->Flags;
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RequirementDescriptor->u.Port.Length = ResourceDescriptor->u.Port.Length;
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RequirementDescriptor->u.Port.Alignment = 1; /* Start address is specified, so it doesn't matter */
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RequirementDescriptor->u.Port.MinimumAddress = RequirementDescriptor->u.Port.MaximumAddress
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= ResourceDescriptor->u.Port.Start;
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ResourceDescriptor++;
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RequirementDescriptor++;
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break;
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}
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case end_tag:
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@ -366,6 +417,8 @@ FdoQueryBusRelations(
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}
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if (!AcpiCreateResourceList(&PdoDeviceExtension->ResourceList,
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&PdoDeviceExtension->ResourceListSize,
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&PdoDeviceExtension->ResourceRequirementsList,
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&PdoDeviceExtension->ResourceRequirementsListSize,
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(RESOURCE*)Buffer.pointer))
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{
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ASSERT(FALSE);
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@ -50,6 +50,9 @@ typedef struct _PDO_DEVICE_EXTENSION
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// Resource list
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PCM_RESOURCE_LIST ResourceList;
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ULONG ResourceListSize;
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// Requirement list
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PIO_RESOURCE_REQUIREMENTS_LIST ResourceRequirementsList;
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ULONG ResourceRequirementsListSize;
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} PDO_DEVICE_EXTENSION, *PPDO_DEVICE_EXTENSION;
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@ -107,6 +107,35 @@ PdoQueryId(
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}
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static NTSTATUS
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PdoQueryResourceRequirements(
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IN PDEVICE_OBJECT DeviceObject,
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IN PIRP Irp,
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PIO_STACK_LOCATION IrpSp)
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{
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PPDO_DEVICE_EXTENSION DeviceExtension;
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PIO_RESOURCE_REQUIREMENTS_LIST ResourceRequirementsList;
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DeviceExtension = (PPDO_DEVICE_EXTENSION)DeviceObject->DeviceExtension;
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if (DeviceExtension->ResourceRequirementsListSize == 0)
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{
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return Irp->IoStatus.Status;
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}
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ResourceRequirementsList = ExAllocatePool(PagedPool, DeviceExtension->ResourceRequirementsListSize);
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if (!ResourceRequirementsList)
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{
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Irp->IoStatus.Information = 0;
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return STATUS_INSUFFICIENT_RESOURCES;
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}
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RtlCopyMemory(ResourceRequirementsList, DeviceExtension->ResourceRequirementsList, DeviceExtension->ResourceRequirementsListSize);
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Irp->IoStatus.Information = (ULONG_PTR)ResourceRequirementsList;
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return STATUS_SUCCESS;
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}
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static NTSTATUS
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PdoQueryResources(
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IN PDEVICE_OBJECT DeviceObject,
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@ -227,6 +256,9 @@ PdoPnpControl(
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break;
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case IRP_MN_QUERY_RESOURCE_REQUIREMENTS:
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Status = PdoQueryResourceRequirements(DeviceObject,
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Irp,
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IrpSp);
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break;
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case IRP_MN_QUERY_RESOURCES:
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