ULONG ResourceListSize;
ULONG i;
- ULONG RequirementsListSize;
- PIO_RESOURCE_REQUIREMENTS_LIST RequirementsList;
- PIO_RESOURCE_DESCRIPTOR RequirementDescriptor;
-
/* Get current resources */
Buffer.Length = 0;
ResourceList->List[0].PartialResourceList.Count = NumberOfResources;
ResourceDescriptor = ResourceList->List[0].PartialResourceList.PartialDescriptors;
- RequirementsListSize = sizeof(IO_RESOURCE_REQUIREMENTS_LIST) + sizeof(IO_RESOURCE_DESCRIPTOR) * (NumberOfResources - 1);
- RequirementsList = (PIO_RESOURCE_REQUIREMENTS_LIST)ExAllocatePool(PagedPool, RequirementsListSize);
-
- if (!RequirementsList)
- {
- ExFreePool(ResourceList);
- return STATUS_SUCCESS;
- }
- RequirementsList->ListSize = RequirementsListSize;
- RequirementsList->InterfaceType = Internal;
- RequirementsList->BusNumber = 0;
- RequirementsList->SlotNumber = 0; /* Not used by WDM drivers */
- RequirementsList->AlternativeLists = 1;
- RequirementsList->List[0].Version = 1;
- RequirementsList->List[0].Revision = 1;
- RequirementsList->List[0].Count = NumberOfResources;
- RequirementDescriptor = RequirementsList->List[0].Descriptors;
-
/* Fill resources list structure */
Done = FALSE;
while (!Done)
ResourceDescriptor->u.Interrupt.Vector = 0;
ResourceDescriptor->u.Interrupt.Affinity = (KAFFINITY)(-1);
- RequirementDescriptor->Option = 0; /* Required */
- RequirementDescriptor->Type = ResourceDescriptor->Type;
- RequirementDescriptor->ShareDisposition = ResourceDescriptor->ShareDisposition;
- RequirementDescriptor->Flags = ResourceDescriptor->Flags;
- RequirementDescriptor->u.Interrupt.MinimumVector = RequirementDescriptor->u.Interrupt.MaximumVector
- = irq_data->Interrupts[i];
-
ResourceDescriptor++;
- RequirementDescriptor++;
}
break;
}
}
ResourceDescriptor->u.Dma.Channel = dma_data->Channels[i];
- RequirementDescriptor->Option = 0; /* Required */
- RequirementDescriptor->Type = ResourceDescriptor->Type;
- RequirementDescriptor->ShareDisposition = ResourceDescriptor->ShareDisposition;
- RequirementDescriptor->Flags = ResourceDescriptor->Flags;
- RequirementDescriptor->u.Dma.MinimumChannel = RequirementDescriptor->u.Dma.MaximumChannel
- = ResourceDescriptor->u.Dma.Channel;
-
ResourceDescriptor++;
- RequirementDescriptor++;
}
break;
}
ResourceDescriptor->u.Port.Start.u.LowPart = io_data->Minimum;
ResourceDescriptor->u.Port.Length = io_data->AddressLength;
- RequirementDescriptor->Option = 0; /* Required */
- RequirementDescriptor->Type = ResourceDescriptor->Type;
- RequirementDescriptor->ShareDisposition = ResourceDescriptor->ShareDisposition;
- RequirementDescriptor->Flags = ResourceDescriptor->Flags;
- RequirementDescriptor->u.Port.Length = ResourceDescriptor->u.Port.Length;
- RequirementDescriptor->u.Port.Alignment = 1; /* Start address is specified, so it doesn't matter */
- RequirementDescriptor->u.Port.MinimumAddress = RequirementDescriptor->u.Port.MaximumAddress
- = ResourceDescriptor->u.Port.Start;
-
ResourceDescriptor++;
- RequirementDescriptor++;
break;
}
case ACPI_RESOURCE_TYPE_END_TAG:
}
ExFreePool(Buffer.Pointer);
+ Irp->IoStatus.Information = (ULONG_PTR)RequirementsList;
+
return STATUS_SUCCESS;
}