DEVSTAT_ARG_UINT64
{ DSM_TOTAL_BYTES_WRITE, DEVSTAT_ARG_UINT64 },
{ DSM_TOTAL_TRANSFERS, DEVSTAT_ARG_UINT64 },
{ DSM_TOTAL_TRANSFERS_READ, DEVSTAT_ARG_UINT64 },
{ DSM_TOTAL_TRANSFERS_WRITE, DEVSTAT_ARG_UINT64 },
{ DSM_TOTAL_TRANSFERS_OTHER, DEVSTAT_ARG_UINT64 },
{ DSM_TOTAL_BLOCKS, DEVSTAT_ARG_UINT64 },
{ DSM_TOTAL_BLOCKS_READ, DEVSTAT_ARG_UINT64 },
{ DSM_TOTAL_BLOCKS_WRITE, DEVSTAT_ARG_UINT64 },
{ DSM_TOTAL_BYTES_FREE, DEVSTAT_ARG_UINT64 },
{ DSM_TOTAL_TRANSFERS_FREE, DEVSTAT_ARG_UINT64 },
{ DSM_TOTAL_BLOCKS_FREE, DEVSTAT_ARG_UINT64 },
case DEVSTAT_ARG_UINT64:
{ DSM_QUEUE_LENGTH, DEVSTAT_ARG_UINT64 },
{ DSM_TOTAL_BYTES, DEVSTAT_ARG_UINT64 },
{ DSM_TOTAL_BYTES_READ, DEVSTAT_ARG_UINT64 },