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85 lines
1.9 KiB
C
85 lines
1.9 KiB
C
/*
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* PROJECT: ReactOS ISA PnP Bus driver
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* FILE: pdo.c
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* PURPOSE: PDO-specific code
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* PROGRAMMERS: Cameron Gutman (cameron.gutman@reactos.org)
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*/
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#include <isapnp.h>
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#define NDEBUG
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#include <debug.h>
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NTSTATUS
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NTAPI
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IsaPdoQueryDeviceRelations(
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IN PISAPNP_LOGICAL_DEVICE LogDev,
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IN PIRP Irp,
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IN PIO_STACK_LOCATION IrpSp)
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{
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PDEVICE_RELATIONS DeviceRelations;
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if (IrpSp->Parameters.QueryDeviceRelations.Type != TargetDeviceRelation)
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return Irp->IoStatus.Status;
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DeviceRelations = ExAllocatePool(PagedPool, sizeof(*DeviceRelations));
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if (!DeviceRelations)
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return STATUS_INSUFFICIENT_RESOURCES;
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DeviceRelations->Count = 1;
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DeviceRelations->Objects[0] = LogDev->Common.Self;
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ObReferenceObject(LogDev->Common.Self);
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Irp->IoStatus.Information = (ULONG_PTR)DeviceRelations;
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return STATUS_SUCCESS;
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}
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NTSTATUS
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NTAPI
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IsaPdoPnp(
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IN PISAPNP_LOGICAL_DEVICE LogDev,
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IN PIRP Irp,
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IN PIO_STACK_LOCATION IrpSp)
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{
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NTSTATUS Status = Irp->IoStatus.Status;
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switch (IrpSp->MinorFunction)
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{
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case IRP_MN_START_DEVICE:
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Status = IsaHwActivateDevice(LogDev);
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if (NT_SUCCESS(Status))
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LogDev->Common.State = dsStarted;
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break;
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case IRP_MN_STOP_DEVICE:
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Status = IsaHwDeactivateDevice(LogDev);
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if (NT_SUCCESS(Status))
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LogDev->Common.State = dsStopped;
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break;
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case IRP_MN_QUERY_DEVICE_RELATIONS:
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Status = IsaPdoQueryDeviceRelations(LogDev, Irp, IrpSp);
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break;
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case IRP_MN_QUERY_RESOURCES:
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DPRINT1("IRP_MN_QUERY_RESOURCES is UNIMPLEMENTED!\n");
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break;
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case IRP_MN_QUERY_RESOURCE_REQUIREMENTS:
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DPRINT1("IRP_MN_QUERY_RESOURCE_REQUIREMENTS is UNIMPLEMENTED!\n");
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break;
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default:
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DPRINT1("Unknown PnP code: %x\n", IrpSp->MinorFunction);
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break;
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}
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Irp->IoStatus.Status = Status;
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IoCompleteRequest(Irp, IO_NO_INCREMENT);
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return Status;
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}
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