reactos/drivers/storage/port/storport/fdo.c

/*
 * PROJECT:     ReactOS Storport Driver
 * LICENSE:     GPL-2.0+ (https://spdx.org/licenses/GPL-2.0+)
 * PURPOSE:     Storport FDO code
 * COPYRIGHT:   Copyright 2017 Eric Kohl (eric.kohl@reactos.org)
 */

/* INCLUDES *******************************************************************/

#include "precomp.h"

#define NDEBUG
#include <debug.h>


/* FUNCTIONS ******************************************************************/

static
NTSTATUS
NTAPI
PortFdoStartDevice(
    _In_ PFDO_DEVICE_EXTENSION DeviceExtension,
    _In_ PIRP Irp)
{
    DPRINT1("PortFdoStartDevice(%p %p)\n",
            DeviceExtension, Irp);

    ASSERT(DeviceExtension->ExtensionType == FdoExtension);

    return STATUS_SUCCESS;
}


static
NTSTATUS
PortFdoQueryBusRelations(
    _In_ PFDO_DEVICE_EXTENSION DeviceExtension,
    _Out_ PULONG_PTR Information)
{
    NTSTATUS Status = STATUS_SUCCESS;;

    DPRINT1("PortFdoQueryBusRelations(%p %p)\n",
            DeviceExtension, Information);

    *Information = 0;

    return Status;
}


NTSTATUS
NTAPI
PortFdoPnp(
    _In_ PDEVICE_OBJECT DeviceObject,
    _In_ PIRP Irp)
{
    PFDO_DEVICE_EXTENSION DeviceExtension;
    PIO_STACK_LOCATION Stack;
    ULONG_PTR Information = 0;
    NTSTATUS Status = STATUS_NOT_SUPPORTED;

    DPRINT1("PortFdoPnp(%p %p)\n",
            DeviceObject, Irp);

    DeviceExtension = (PFDO_DEVICE_EXTENSION)DeviceObject->DeviceExtension;
    ASSERT(DeviceExtension);
    ASSERT(DeviceExtension->ExtensionType == FdoExtension);

    Stack = IoGetCurrentIrpStackLocation(Irp);

    switch (Stack->MinorFunction)
    {
        case IRP_MN_START_DEVICE: /* 0x00 */
            DPRINT1("IRP_MJ_PNP / IRP_MN_START_DEVICE\n");
            /* Call lower driver */
            Status = ForwardIrpAndWait(DeviceExtension->LowerDevice, Irp);
            if (NT_SUCCESS(Status))
            {
                Status = PortFdoStartDevice(DeviceExtension, Irp);
            }
            break;

        case IRP_MN_QUERY_REMOVE_DEVICE: /* 0x01 */
            DPRINT1("IRP_MJ_PNP / IRP_MN_QUERY_REMOVE_DEVICE\n");
            break;

        case IRP_MN_REMOVE_DEVICE: /* 0x02 */
            DPRINT1("IRP_MJ_PNP / IRP_MN_REMOVE_DEVICE\n");
            break;

        case IRP_MN_CANCEL_REMOVE_DEVICE: /* 0x03 */
            DPRINT1("IRP_MJ_PNP / IRP_MN_CANCEL_REMOVE_DEVICE\n");
            break;

        case IRP_MN_STOP_DEVICE: /* 0x04 */
            DPRINT1("IRP_MJ_PNP / IRP_MN_STOP_DEVICE\n");
            break;

        case IRP_MN_QUERY_STOP_DEVICE: /* 0x05 */
            DPRINT1("IRP_MJ_PNP / IRP_MN_QUERY_STOP_DEVICE\n");
            break;

        case IRP_MN_CANCEL_STOP_DEVICE: /* 0x06 */
            DPRINT1("IRP_MJ_PNP / IRP_MN_CANCEL_STOP_DEVICE\n");
            break;

        case IRP_MN_QUERY_DEVICE_RELATIONS: /* 0x07 */
            DPRINT1("IRP_MJ_PNP / IRP_MN_QUERY_DEVICE_RELATIONS\n");
            switch (Stack->Parameters.QueryDeviceRelations.Type)
            {
                case BusRelations:
                    DPRINT1("    IRP_MJ_PNP / IRP_MN_QUERY_DEVICE_RELATIONS / BusRelations\n");
                    Status = PortFdoQueryBusRelations(DeviceExtension, &Information);
                    break;

                case RemovalRelations:
                    DPRINT1("    IRP_MJ_PNP / IRP_MN_QUERY_DEVICE_RELATIONS / RemovalRelations\n");
                    return ForwardIrpAndForget(DeviceExtension->LowerDevice, Irp);

                default:
                    DPRINT1("    IRP_MJ_PNP / IRP_MN_QUERY_DEVICE_RELATIONS / Unknown type 0x%lx\n",
                            Stack->Parameters.QueryDeviceRelations.Type);
                    return ForwardIrpAndForget(DeviceExtension->LowerDevice, Irp);
            }
            break;

        case IRP_MN_FILTER_RESOURCE_REQUIREMENTS: /* 0x0d */
            DPRINT1("IRP_MJ_PNP / IRP_MN_FILTER_RESOURCE_REQUIREMENTS\n");
            return ForwardIrpAndForget(DeviceExtension->LowerDevice, Irp);

        case IRP_MN_QUERY_PNP_DEVICE_STATE: /* 0x14 */
            DPRINT1("IRP_MJ_PNP / IRP_MN_QUERY_PNP_DEVICE_STATE\n");
            break;

        case IRP_MN_DEVICE_USAGE_NOTIFICATION: /* 0x16 */
            DPRINT1("IRP_MJ_PNP / IRP_MN_DEVICE_USAGE_NOTIFICATION\n");
            break;

        case IRP_MN_SURPRISE_REMOVAL: /* 0x17 */
            DPRINT1("IRP_MJ_PNP / IRP_MN_SURPRISE_REMOVAL\n");
            break;

        default:
            DPRINT1("IRP_MJ_PNP / Unknown IOCTL 0x%lx\n", Stack->MinorFunction);
            return ForwardIrpAndForget(DeviceExtension->LowerDevice, Irp);
    }

    Irp->IoStatus.Information = Information;
    Irp->IoStatus.Status = Status;
    IoCompleteRequest(Irp, IO_NO_INCREMENT);

    return Status;
}

/* EOF */