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Physical Device Driver (DevHlp) Functions

From EDM2

You can find more information at the Physical Device Driver Reference.

Functions

OS/2 Monitor Functions

DevHlp Services

RMCALLS library (Resource Manager)

SMP DevHlps

Services and Function Codes

Undocumented

Data Types

Generic IOCtl Commands

Category 01h ASYNC (RS232-C) Control IOCtl Commands
       ASYNC_SETBAUDRATE (41h)
       ASYNC_SETLINECTRL (42h)
       ASYNC_EXTSETBAUDRATE (43h)
       ASYNC_TRANSMITIMM (44h)
       ASYNC_SETBREAKOFF (45h)
       ASYNC_SETMODEMCTRL (46h)
       ASYNC_STOPTRANSMIT (47h)
       ASYNC_STARTTRANSMIT (48h)
       ASYNC_SETBREAKON (4Bh)
       ASYNC_SETDCBINFO (53h)
       ASYNC_SETENHANCEDMODEPARMS (54h)
       ASYNC_GETBAUDRATE (61h)
       ASYNC_GETLINECTRL (62h)
       ASYNC_EXTGETBAUDRATE (63h)
       ASYNC_GETCOMMSTATUS (64h)
       ASYNC_GETLINESTATUS (65h)
       ASYNC_GETMODEMOUTPUT (66h
       ASYNC_GETMODEMINPUT (67h)
       ASYNC_GETINQUECOUNT (68h)
       ASYNC_GETOUTQUECOUNT (69h)
       ASYNC_GETCOMMERROR (6Dh)
       ASYNC_GETCOMMEVENT (72h)
       ASYNC_GETDCBINFO (73h)
       ASYNC_GETENHANCEDMODEPARMS (74h)
Category 03h Video Control IOCtl Commands
       SCR_ALLOCLDT (70h)
       SCR_DEALLOCLDT (71h)
       PTR_GETPTRDRAWADDRESS (72h)
       VID_INITCALLVECTOR (73h)
       SCR_ABIOSPASSTHRU (74h)
       SCR_ALLOCLDTOFF (75h)
       SCR_ALLOCLDTBGVAL (76h)
       SCR_ALLOCVIDEOBUFFER (7Eh)
       SCR_GETROMFONTADDR (7Fh)
Category 04h Keyboard Control IOCtl Commands
       KBD_SETTRANSTABLE (50h)
       KBD_SETINPUTMODE (51h)
       KBD_SETINTERIMFLAG (52h)
       KBD_SETSHIFTSTATE (53h)
       KBD_SETTYPAMATICRATE (54h)
       KBD_SETSESMGRHOTKEY (56h)
       KBD_SETKCB (57h)
       KBD_SETCP (58h)
       KBD_SETREADNOTIFICATION (59h)
       KBD_ALTERKBDLED (5Ah)
       KBD_SETNLS (5Ch)
       KBD_CREATE (5Dh)
       KBD_DESTROY (5Eh)
       KBD_GETINPUTMODE (71h)
       KBD_GETINTERIMFLAG (72h)
       KBD_GETSHIFTSTATE (73h)
       KBD_READCHAR (74h)
       KBD_PEEKCHAR (75h)
       KBD_GETSESMGRHOTKEY (76h) 
       KBD_GETKEYBDTYPE (77h)
       KBD_GETCODEPAGEID (78h)
       KBD_XLATESCAN (79h)
       KBD_QUERYKBDHARDWAREID (7Ah)
       KBD_QUERYKBDCODEPAGESUPPORT (7Bh)
Category 05h Parallel Port Control IOCtl Commands
       PRT_SETFRAMECTL (42h)
       PRT_SETINFINITERETRY (44h)
       PRT_INITPRINTER (46h)
       PRT_ACTIVATEFONT (48h)
       PRT_SETPRINTJOBTITLE (4Dh)
       PRT_SETIRQTIMEOUT (4Eh)
       PRT_SETCOMMMODE (52h) 
       PRT_SETDATAXFERMODE (53h)
       PRT_GETFRAMECTL (62h)
       PRT_GETINFINITERETRY (64h)
       PRT_GETPRINTERSTATUS (66h)
       PRT_QUERYACTIVEFONT (69h)
       PRT_VERIFYFONT (6Ah)
       PRT_QUERYIRQTIMEOUT (6Eh)
       PRT_QUERYCOMMMODE (72h)
       PRT_QUERYDATAXFERMODE (73h)
       PRT_QUERYDEVICEID (74h)
Category 07h Mouse Control IOCtl Commands
       MOU_UPDATEDISPLAYMODE (51h)
       MOU_SETSCALEFACTORS (53h)
       MOU_SETEVENTMASK (54h)
       MOU_REASSIGNTHRESHOLDVALUES (55h)
       MOU_SETPTRSHAPE (56h)
       MOU_UNMARKCOLLISIONAREA (57h)
       MOU_MARKCOLLISIONAREA (58h)
       MOU_SETPTRPOS (59h)
       MOU_SETPROTDRAWADDRESS (5Ah)
       MOU_SETMOUSTATUS (5Ch)
       MOU_DISPLAYMODECHANGE (5Dh)
       MOU_GETBUTTONCOUNT (60h)
       MOU_GETMICKEYCOUNT (61h)
       MOU_GETMOUSTATUS (62h)
       MOU_READEVENTQUE (63h)
       MOU_GETQUESTATUS (64h)
       MOU_GETEVENTMASK (65h)
       MOU_GETSCALEFACTORS (66h)
       MOU_GETPTRPOS (67h)
       MOU_GETPTRSHAPE (68h)
       MOU_QUERYTHRESHOLDVALUES (69h)
       MOU_VER (6Ah)
       MOU_QUERYPOINTERID (6Bh)
Category 08h Logical Disk Control IOCtl Commands
       DSK_LOCKDRIVE (00h)
       DSK_UNLOCKDRIVE (01h)
       DSK_REDETERMINEMEDIA (02h)
       DSK_SETLOGICALMAP (03h)
       DSK_BEGINFORMAT (04h)
       DSK_BLOCKREMOVABLE (20h)
       DSK_GETLOGICALMAP (21h)
       DSK_UNLOCKEJECTMEDIA (40h)
       DSK_SETDEVICEPARAMS (43h) 
       DSK_WRITETRACK (44h)
       DSK_FORMATVERIFY (45h)
       DSK_DISKETTECONTROL (5Dh)
       DSK_QUERYMEDIASENSE (60h)
       DSK_GETDEVICEPARAMS (63h)
       DSK_READTRACK (64h)
       DSK_VERIFYTRACK (65h)
       DSK_GETLOCKSTATUS (66h)
Category 09h Physical Disk Control IOCtl Commands
       PDSK_LOCKPHYSDRIVE (00h)
       PDSK_UNLOCKPHYSDRIVE (01h)
       PDSK_WRITEPHYSTRACK (44h)
       PDSK_GETPHYSDEVICEPARAMS (63h)
       PDSK_READPHYSTRACK (64h)
       PDSK_VERIFYPHYSTRACK (65h)
Category 0Ah Character Device Monitor IOCtl Command
       MON_REGISTERMONITOR (40h)
Category 0Bh General Device Control IOCtl Commands
       DEV_FLUSHINPUT (01h)
       DEV_FLUSHOUTPUT (02h)
       DEV_SYSTEMNOTIFYPDD (41h)
       DEV_QUERYMONSUPPORT (60h)
Category 0Ch Advanced Power Management
       POWER_SENDPOWEREVENT (40h)
       POWER_SETPOWEREVENTRES (41h)
       POWER_OEMFUNCTION (45h)
       POWER_GETPOWERSTATUS (60h)
       POWER_GETPOWEREVENT (61h)
       POWER_GETPOWERINFO (62h)
       POWER_GETPOWERSTATE (63h)
Category 80h Screen Control IOCtl Commands
       SCREENDD_GETCURRENTBANK (00h)
       SCREENDD_SETCURRENTBANK (01h) 
       SCREENDD_SVGA_ID (08h)
       SCREENDD_SVGA_OEM (09h)
       SCREENDD_UPDATEMEMORY (0Ah) 
       SCREENDD_GETLINEARACCESS (0Bh)
Category 80h OEMHLP IOCtls
       OEMHLP_GETOEMADAPTIONINFO (00h)
       OEMHLP_GETMACHINEINFO (01h)
       OEMHLP_GETDISPLAYCOMBCODE (02h)
       OEMHLP_GETVIDEOFONTS (03h)
       OEMHLP_READEISACONFIGINFO (04h)
       Read EISA Function Configuration Information - Subfunction 01 - Function 04h
       OEMHLP_GETROMBIOSINFO (05h)
       OEMHLP_GETMISCVIDEOINFO (06h)
       OEMHLP_GETVIDEOADAPTER (07h)
       OEMHLP_GETSVGAINFO (08h)
       OEMHLP_GETMEMINFO (09h)
       OEMHLP_GETDMQSINFO (0Ah)
       OEMHLP_PCI (0Bh)
       OEMHLP_PCI (0Bh) - Subfunction 00h
       OEMHLP_PCI (0Bh) - Subfunction 01h
       OEMHLP_PCI (0Bh) - Subfunction 02h
       OEMHLP_PCI (0Bh) - Subfunction 03h
       OEMHLP_PCI (0Bh) - Subfunction 04h
Category 80h Adapter Presence-Check Services (TESTCFG.SYS)
       TESTCFG_SYS_GETBIOSADAPTER (40h)
       TESTCFG_SYS_ISSUEINIOINSTR (41h)
       TESTCFG_SYS_ISSUEOUTIOINSTR (42h)
       TESTCFG_SYS_GETBUSARCH (60h)
       TESTCFG_SYS_GETALLPOSIDS (61h)
       TESTCFG_SYS_GETALLEISAIDS (62h)
Category 80h Resource Manager IOCtl Commands
       Get Resource Manager Node Data - Function 01h
       Enumerate Resource Manager Nodes - Function 02h
Category 80h CD-ROM Drive and Disc IOCtl Commands
       CDROMDISK_RESETDRIVE (40h)
       CDROMDISK_EJECTDISK (44h)
       CDROMDISC_CLOSETRAY (45h)
       CDROMDISK_LOCKUNLOCKDOOR (46h)
       CDROMDISK_SEEK (50h)
       CDROMDISK_DEVICESTATUS (60h)
       CDROMDISK_GETDRIVER (61h)
       CDROMDISK_GETSECTORSIZE (63h)
       CDROMDISK_GETHEADLOC (70h)
       CDROMDISK_READLONG (72h)
       CDROMDISK_GETVOLUMESIZE (78h)
       CDROMDISK_GETUPC (79h)
Category 81h CD-ROM Audio IOCtl Commands
       CDROMAUDIO_SETCHANNELCTRL (40h)
       CDROMAUDIO_PLAYAUDIO (50h)
       CDROMAUDIO_STOPAUDIO (51h)
       CDROMAUDIO_RESUMEAUDIO (52h)
       CDROMAUDIO_GETCHANNEL (60h)
       CDROMAUDIO_GETAUDIODISK (61h)
       CDROMAUDIO_GETAUDIOTRACK (62h)
       CDROMAUDIO_GETSUBCHANNELQ (63h)
       CDROMAUDIO_GETAUDIOSTATUS (65h)
Category 81h Touch Device-Dependent Driver
       TOUCH_DEVDEP_SETCALIBCONST (52h)
       TOUCH_DEVDEP_READDATA (53h)
       TOUCH_DEVDEP_SETDATAMODE (54h)
       TOUCH_DEVDEP_SETCLICKLOCK (55h)
       TOUCH_DEVDEP_SETTOUCHTHRESHOLD (56h)
       TOUCH_DEVDEP_SETEMULXY (57h)
       TOUCH_DEVDEP_SETDATAREPORTRATE (58h)
       TOUCH_DEVDEP_SETLOWPASSFILTER (59h)
       TOUCH_DEVDEP_WRITEMEMLOC (5Ah)
       TOUCH_DEVDEP_GETCALIBCONST (60h)
       TOUCH_DEVDEP_GETDATAMODE (61h)
       TOUCH_DEVDEP_GETCLICKLOCK (62h)
       TOUCH_DEVDEP_GETTOUCHTHRESHOLD (63h)
       TOUCH_DEVDEP_GETEMULXY (64h)
       TOUCH_DEVDEP_GETDATAREPORTRATE (65h)
       TOUCH_DEVDEP_GETLOWPASSFILTER (66h)
       TOUCH_DEVDEP_READMEMLOC (67h)
Category 81h Touch Device-Independent Driver
       Device-Independent Device Driver Command Summary
       TOUCH_DEVINDEP_SETCOORDSYS (50h)
       TOUCH_DEVINDEP_SETSELECTMECH (52h)
       TOUCH_DEVINDEP_SETEVENTMASK (53h)
       TOUCH_DEVINDEP_SETQUEUESIZE (54h)
       TOUCH_DEVINDEP_SETEMULSTATE (55h)
       TOUCH_DEVINDEP_GETCOORDSYS (60h)
       TOUCH_DEVINDEP_GETSELECTMECH (62h)
       TOUCH_DEVINDEP_GETEVENTMASK (63h)
       TOUCH_DEVINDEP_GETQUEUESIZE (64h)
       TOUCH_DEVINDEP_GETEMULSTATE (65h)
       TOUCH_DEVINDEP_GETREADEVENTQUEUE (66h)

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