DrvAllocIoBlock DrvClaimHdBuffer DrvClose DrvExec DrvFreeIoBlock DrvGetDevCapa DrvGetDevCapaEntry DrvGetDevList DrvGetDevListEntry DrvGetDevNum DrvGetErrorText DrvGetIOParmsEx DrvLock DrvLogToPhys DrvMapLetter DrvMapScsiAddr DrvOpen DrvReScan DrvRead DrvReadSectorCooked DrvReleaseAllIoBlocks DrvRequest DrvSetAccessToken DrvSetBufSize DrvSetDefaultTimeout DrvSetIOParms DrvSetIOParmsEx