C++ (Cpp) IoDeviceCreate Examples

Example #1

File: driver.c Project: FarazShaikh/LikewiseSMB2

NTSTATUS
IO_DRIVER_ENTRY(npfs)(
    IN IO_DRIVER_HANDLE DriverHandle,
    IN ULONG InterfaceVersion
    )
{
    NTSTATUS ntStatus = 0;
    int EE = 0;
    IO_DEVICE_HANDLE deviceHandle = NULL;

    if (IO_DRIVER_ENTRY_INTERFACE_VERSION != InterfaceVersion)
    {
        ntStatus = STATUS_UNSUCCESSFUL;
        GOTO_CLEANUP_ON_STATUS_EE(ntStatus, EE);
    }

    pthread_rwlock_init(&gServerLock, NULL);

    ntStatus = IoDriverInitialize(DriverHandle,
                                  NULL,
                                  NpfsDriverShutdown,
                                  NpfsDriverDispatch);
    GOTO_CLEANUP_ON_STATUS_EE(ntStatus, EE);

    ntStatus = IoDeviceCreate(&deviceHandle,
                              DriverHandle,
                              "npfs",
                              NULL);
    GOTO_CLEANUP_ON_STATUS_EE(ntStatus, EE);

cleanup:
    IO_LOG_ENTER_LEAVE_STATUS_EE(ntStatus, EE);
    return ntStatus;
}

Example #2

File: driver.c Project: virtual-void/pbis

NTSTATUS
IO_DRIVER_ENTRY(rdr)(
    IN IO_DRIVER_HANDLE DriverHandle,
    IN ULONG InterfaceVersion
    )
{
    NTSTATUS ntStatus = 0;

    if (IO_DRIVER_ENTRY_INTERFACE_VERSION != InterfaceVersion)
    {
        ntStatus = STATUS_UNSUCCESSFUL;
        BAIL_ON_NT_STATUS(ntStatus);
    }

    ntStatus = IoDriverInitialize(DriverHandle,
                                  NULL,
                                  RdrDriverShutdown,
                                  RdrDriverDispatch);
    BAIL_ON_NT_STATUS(ntStatus);

    ntStatus = IoDeviceCreate(&gDeviceHandle,
                              DriverHandle,
                              "rdr",
                              NULL);
    BAIL_ON_NT_STATUS(ntStatus);

    ntStatus = RdrInitialize();
    BAIL_ON_NT_STATUS(ntStatus);

error:

    return ntStatus;
}

Example #3

File: driver.c Project: FarazShaikh/LikewiseSMB2

NTSTATUS
IO_DRIVER_ENTRY(srv)(
    IN IO_DRIVER_HANDLE hDriver,
    IN ULONG ulInterfaceVersion
    )
{
    NTSTATUS ntStatus = 0;
    PCSTR    pszName  = "srv";
    PVOID    pDeviceContext = NULL;
    IO_DEVICE_HANDLE hDevice = NULL;

    if (IO_DRIVER_ENTRY_INTERFACE_VERSION != ulInterfaceVersion)
    {
        ntStatus = STATUS_UNSUCCESSFUL;
        BAIL_ON_NT_STATUS(ntStatus);
    }

    ntStatus = IoDriverInitialize(
                    hDriver,
                    NULL,
                    SrvDriverShutdown,
                    SrvDriverDispatch);
    BAIL_ON_NT_STATUS(ntStatus);

    ntStatus = IoDeviceCreate(
                    &hDevice,
                    hDriver,
                    pszName,
                    pDeviceContext);
    BAIL_ON_NT_STATUS(ntStatus);

    ntStatus = SrvInitialize(hDevice);
    BAIL_ON_NT_STATUS(ntStatus);

    ntStatus = IoDriverRegisterRefreshCallback(
                    hDriver,
                    SrvDriverRefresh);
    BAIL_ON_NT_STATUS(ntStatus);

    hDevice = NULL;

cleanup:

    return ntStatus;

error:

    if (hDevice)
    {
        IoDeviceDelete(&hDevice);
    }

    goto cleanup;
}

Example #4

File: driver.c Project: FarazShaikh/LikewiseSMB2

NTSTATUS
DriverEntry(
    IN IO_DRIVER_HANDLE DriverHandle,
    IN ULONG InterfaceVersion
    )
{
    NTSTATUS status = 0;
    int EE = 0;
    IO_DEVICE_HANDLE deviceHandle = NULL;
    PIT_DRIVER_STATE pState = NULL;

    if (IO_DRIVER_ENTRY_INTERFACE_VERSION != InterfaceVersion)
    {
        status = STATUS_UNSUCCESSFUL;
        GOTO_CLEANUP_EE(EE);
    }

    status = ItpCreateDriverState(&pState);
    GOTO_CLEANUP_ON_STATUS_EE(status, EE);

    status = IoDriverInitialize(DriverHandle,
                                pState,
                                ItDriverShutdown,
                                ItDriverDispatch);
    GOTO_CLEANUP_ON_STATUS_EE(status, EE);

    status = IoDeviceCreate(&deviceHandle,
                            DriverHandle,
                            IOTEST_DEVICE_NAME,
                            NULL);
    GOTO_CLEANUP_ON_STATUS_EE(status, EE);

    LWIO_ASSERT(ItTestStartup(IOTEST_DEVICE_PATH) == STATUS_SUCCESS);
    LWIO_ASSERT(ItTestStartup(IOTEST_PATH_ALLOW) == STATUS_SUCCESS);

cleanup:
    if (status)
    {
        // Shutdown is called only if initialization succeeds.
        ItpDestroyDriverState(&pState);
    }

    LOG_LEAVE_IF_STATUS_EE(status, EE);
    return status;
}