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- Handle IRP_MN_QUERY_DEVICE_RELATIONS for TargetDeviceRelation for PCI's child PDOs

svn path=/trunk/; revision=46706
This commit is contained in:
Cameron Gutman 2010-04-04 00:00:21 +00:00
parent 05799d4a57
commit d6d462f203
1 changed files with 28 additions and 2 deletions
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30
reactos/drivers/bus/pci/pdo.c
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@ -1290,6 +1290,33 @@ PdoWriteConfig(
return STATUS_SUCCESS;
}
static NTSTATUS
PdoQueryDeviceRelations(
IN PDEVICE_OBJECT DeviceObject,
IN PIRP Irp,
PIO_STACK_LOCATION IrpSp)
{
PDEVICE_RELATIONS DeviceRelations;
/* We only support TargetDeviceRelation for child PDOs */
if (IrpSp->Parameters.QueryDeviceRelations.Type != TargetDeviceRelation)
return Irp->IoStatus.Status;
/* We can do this because we only return 1 PDO for TargetDeviceRelation */
DeviceRelations = ExAllocatePool(PagedPool, sizeof(*DeviceRelations));
if (!DeviceRelations)
return STATUS_INSUFFICIENT_RESOURCES;
DeviceRelations->Count = 1;
DeviceRelations->Objects[0] = DeviceObject;
/* The PnP manager will remove this when it is done with the PDO */
ObReferenceObject(DeviceObject);
Irp->IoStatus.Information = (ULONG_PTR)DeviceRelations;
return STATUS_SUCCESS;
}
static NTSTATUS
PdoSetPower(
@ -1362,8 +1389,7 @@ PdoPnpControl(
break;
case IRP_MN_QUERY_DEVICE_RELATIONS:
/* FIXME: Possibly handle for RemovalRelations */
DPRINT("Unimplemented IRP_MN_QUERY_DEVICE_RELATIONS received\n");
Status = PdoQueryDeviceRelations(DeviceObject, Irp, IrpSp);
break;
case IRP_MN_QUERY_DEVICE_TEXT: