227 lines
7.8 KiB
PHP
227 lines
7.8 KiB
PHP
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;** DevSym.inc - Device Symbols
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;
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; Revision History:
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;
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; M018 - defined bit 11 of DOS34_FLAG. See M041 in dos.tag for
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; explanation.
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;
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; THE DEVICE TABLE LIST HAS THE FORM:
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SYSDEV STRUC
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SDEVNEXT DD ? ;POINTER TO NEXT DEVICE HEADER
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SDEVATT DW ? ;ATTRIBUTES OF THE DEVICE
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SDEVSTRAT DW ? ;STRATEGY ENTRY POINT
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SDEVINT DW ? ;INTERRUPT ENTRY POINT
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SDEVNAME DB ' ' ;NAME OF DEVICE (ONLY FIRST BYTE USED FOR BLOCK)
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SYSDEV ENDS
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;
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; ATTRIBUTE BIT MASKS
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;
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; CHARACTER DEVICES:
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;
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; BIT 15 -> MUST BE 1
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; 14 -> 1 IF THE DEVICE UNDERSTANDS IOCTL CONTROL STRINGS
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; 13 -> 1 IF THE DEVICE SUPPORTS OUTPUT-UNTIL-BUSY
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; 12 -> UNUSED
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; 11 -> 1 IF THE DEVICE UNDERSTANDS OPEN/CLOSE
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; 10 -> MUST BE 0
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; 9 -> MUST BE 0
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; 8 -> UNUSED - Must be 0 to support current versions of Mace Utilities
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; 7 -> SUPPORTS DEVICE QUERY
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; 6 -> UNUSED
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; 5 -> UNUSED
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; 4 -> 1 IF DEVICE IS RECIPIENT OF INT 29H
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; 3 -> 1 IF DEVICE IS CLOCK DEVICE
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; 2 -> 1 IF DEVICE IS NULL DEVICE
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; 1 -> 1 IF DEVICE IS CONSOLE OUTPUT
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; 0 -> 1 IF DEVICE IS CONSOLE INPUT
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;
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; BLOCK DEVICES:
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;
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; BIT 15 -> MUST BE 0
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; 14 -> 1 IF THE DEVICE UNDERSTANDS IOCTL CONTROL STRINGS
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; 13 -> 1 IF THE DEVICE DETERMINES MEDIA BY EXAMINING THE FAT ID BYTE.
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; THIS REQUIRES THE FIRST SECTOR OF THE FAT TO *ALWAYS* RESIDE IN
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; THE SAME PLACE.
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; 12 -> UNUSED
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; 11 -> 1 IF THE DEVICE UNDERSTANDS OPEN/CLOSE/REMOVABLE MEDIA
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; 10 -> MUST BE 0
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; 9 -> MUST BE 0
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; 8 -> UNUSED - Must be 0 to support current versionso of Mace Utilities
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; 7 -> SUPPORTS DEVICE QUERY
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; 6 -> IF DEVICE HAS SUPPORT FOR GETMAP/SETMAP OF LOGICAL DRIVES.
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; IF THE DEVICE UNDERSTANDS GENERIC IOCTL FUNCTION CALLS.
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; 5 -> UNUSED
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; 4 -> UNUSED
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; 3 -> UNUSED
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; 2 -> UNUSED
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; 1 -> UNUSED
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; 0 -> UNUSED
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;
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DEVTYP EQU 8000H ; BIT 15 - 1 IF CHAR, 0 IF BLOCK
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CHARDEV EQU 8000H
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DEVIOCTL EQU 4000H ; BIT 14 - CONTROL MODE BIT
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ISFATBYDEV EQU 2000H ; BIT 13 - DEVICE USES FAT ID BYTES,
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; COMP MEDIA.
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OUTTILBUSY EQU 2000H ; OUTPUT UNTIL BUSY IS ENABLED
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ISNET EQU 1000H ; BIT 12 - 1 IF A NET DEVICE, 0 IF
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; NOT. CURRENTLY BLOCK ONLY.
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DEVOPCL EQU 0800H ; BIT 11 - 1 IF THIS DEVICE HAS
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; OPEN,CLOSE AND REMOVABLE MEDIA
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; ENTRY POINTS, 0 IF NOT
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EXTENTBIT EQU 0400H ; BIT 10 - CURRENTLY 0 ON ALL DEVS
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; THIS BIT IS RESERVED FOR FUTURE USE
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; TO EXTEND THE DEVICE HEADER BEYOND
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; ITS CURRENT FORM.
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; NOTE BIT 9 IS CURRENTLY USED ON IBM SYSTEMS TO INDICATE "DRIVE IS SHARED".
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; SEE IOCTL FUNCTION 9. THIS USE IS NOT DOCUMENTED, IT IS USED BY SOME
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; OF THE UTILITIES WHICH ARE SUPPOSED TO FAIL ON SHARED DRIVES ON SERVER
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; MACHINES (FORMAT,CHKDSK,RECOVER,..).
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; M017 IOQUERY EQU 0100H ;Bit 8 - Supports generic IOCtl query
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IOQUERY EQU 080H ;Bit 7 - Supports generic IOCtl query M017
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DEV320 EQU 0040H ;BIT 6 - FOR BLOCK DEVICES, THIS
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;DEVICE SUPPORTS SET/GET MAP OF
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;LOGICAL DRIVES, AND SUPPORTS
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;GENERIC IOCTL CALLS.
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;FOR CHARACTER DEVICES, THIS
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;DEVICE SUPPORTS GENERIC IOCTL.
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;THIS IS A DOS 3.2 DEVICE DRIVER.
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ISSPEC EQU 0010H ;BIT 4 - THIS DEVICE IS SPECIAL
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ISCLOCK EQU 0008H ;BIT 3 - THIS DEVICE IS THE CLOCK DEVICE.
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ISNULL EQU 0004H ;BIT 2 - THIS DEVICE IS THE NULL DEVICE.
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ISCOUT EQU 0002H ;BIT 1 - THIS DEVICE IS THE CONSOLE OUTPUT.
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ISCIN EQU 0001H ;BIT 0 - THIS DEVICE IS THE CONSOLE INPUT.
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EXTDRVR EQU 0002H ;BIT 1 - BLOCK DEVICE EXTNDED DRIVER
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;STATIC REQUEST HEADER
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SRHEAD STRUC
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REQLEN DB ? ;LENGTH IN BYTES OF REQUEST BLOCK
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REQUNIT DB ? ;DEVICE UNIT NUMBER
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REQFUNC DB ? ;TYPE OF REQUEST
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REQSTAT DW ? ;STATUS WORD
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DB 8 DUP(?) ;RESERVED FOR QUEUE LINKS
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SRHEAD ENDS
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;STATUS WORD MASKS
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STERR EQU 8000H ;BIT 15 - ERROR
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STBUI EQU 0200H ;BIT 9 - BUISY
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STDON EQU 0100H ;BIT 8 - DONE
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STECODE EQU 00FFH ;ERROR CODE
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; 2/12/KK
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; Interim character identifier 2/12/KK
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Ddkey EQU 0000010000000000B ; 2/12/KK
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;FUNCTION CODES
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DINITHL EQU 26 ;SIZE OF INIT HEADER
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DMEDHL EQU 15 ;SIZE OF MEDIA CHECK HEADER
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DBPBHL EQU 22 ;SIZE OF GET BPB HEADER
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DRDWRHL EQU 22 ;SIZE OF RD/WR HEADER
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DRDNDHL EQU 14 ;SIZE OF NON DESTRUCTIVE READ HEADER
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DSTATHL EQU 13 ;SIZE OF STATUS HEADER
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DFLSHL EQU 15 ;SIZE OF FLUSH HEADER
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DEVINIT EQU 0 ;INITIALIZATION
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DEVMDCH EQU 1 ;MEDIA CHECK
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DEVBPB EQU 2 ;GET BPB
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DEVRDIOCTL EQU 3 ;IOCTL READ
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DEVRD EQU 4 ;READ
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DEVRDND EQU 5 ;NON DESTRUCTIVE READ NO WAIT (CHARACTER DEVS)
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DEVIST EQU 6 ;INPUT STATUS
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DEVIFL EQU 7 ;INPUT FLUSH
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DEVWRT EQU 8 ;WRITE
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DEVWRTV EQU 9 ;WRITE WITH VERIFY
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DEVOST EQU 10 ;OUTPUT STATUS
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DEVOFL EQU 11 ;OUTPUT FLUSH
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DEVWRIOCTL EQU 12 ;IOCTL WRITE
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DEVOPN EQU 13 ;DEVICE OPEN
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DEVCLS EQU 14 ;DEVICE CLOSE
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DOPCLHL EQU 13 ;SIZE OF OPEN/CLOSE HEADER
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DEVRMD EQU 15 ;REMOVABLE MEDIA
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REMHL EQU 13 ;SIZE OF REMOVABLE MEDIA HEADER
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GENIOCTL EQU 19
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; THE NEXT THREE ARE USED IN DOS 4.0
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; 20
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; 21
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; 22
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DEVGETOWN EQU 23 ;GET DEVICE OWNER
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DEVSETOWN EQU 24 ;SET DEVICE OWNER
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IOCTL_QUERY EQU 25 ;Query generic ioctl support
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OWNHL EQU 13 ;SIZE OF DEVICE OWNER HEADER
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DEVOUT EQU 16 ; OUTPUT UNTIL BUSY.
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DEVOUTL EQU DEVWRT ; LENGTH OF OUTPUT UNTIL BUSY
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; ADDED FOR DOS 5.00
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;
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; GENERIC IOCTL REQUEST STRUCTURE
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; SEE THE DOS 4.0 DEVICE DRIVER SPEC FOR FURTHER ELABORATION.
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;
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IOCTL_REQ STRUC
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DB (SIZE SRHEAD) DUP(?)
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; GENERIC IOCTL ADDITION.
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MAJORFUNCTION DB ? ;FUNCTION CODE
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MINORFUNCTION DB ? ;FUNCTION CATEGORY
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REG_SI DW ?
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REG_DI DW ?
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GENERICIOCTL_PACKET DD ? ; POINTER TO DATA BUFFER
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IOCTL_REQ ENDS
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; DEFINITIONS FOR IOCTL_REQ.MINORFUNCTION
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GEN_IOCTL_WRT_TRK EQU 40H
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GEN_IOCTL_RD_TRK EQU 60H
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GEN_IOCTL_FN_TST EQU 20H ; USED TO DIFF. BET READS AND WRTS
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;; 32-bit absolute read/write input list structure
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ABS_32RW STRUC
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SECTOR_RBA DD ? ; relative block address
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ABS_RW_COUNT DW ? ; number of sectors to be transferred
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BUFFER_ADDR DD ? ; data addrress
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ABS_32RW ENDS
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;; media ID info
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MEDIA_ID_INFO STRUC
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MEDIA_level DW 0 ; info level
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MEDIA_Serial DD 0 ; serial #
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MEDIA_Label DB 11 dup (' ') ;volume label
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MEDIA_System DB 8 dup (' ') ;system type
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MEDIA_ID_INFO ENDS
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;; equates for DOS34_FLAG
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;
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; BUGBUG: why are bits 0,1,3 and 4 not defined.
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;
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FROM_DISK_RESET EQU 000000000100b ;from disk reset
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Force_I24_Fail EQU 000000100000b ;form IFS CALL BACK
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Disable_EOF_I24 EQU 000001000000b ;disable EOF int24 for input status
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DBCS_VOLID EQU 000010000000b ;indicate from volume id
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DBCS_VOLID2 EQU 000100000000b ;indicate 8th char is DBCS
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CTRL_BREAK_FLAG EQU 001000000000b ;indicate control break is input
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SEARCH_FASTOPEN EQU 010000000000b ;set fastopen flag for search
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EXEC_AWARE_REDIR EQU 100000000000b ;M018: this bit is set by a redir
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;M018: that knows how to handle
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;M018: open for exec
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NO_FROM_DISK_RESET EQU NOT FROM_DISK_RESET ;not from disk reset
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NO_Force_I24_Fail EQU NOT Force_I24_Fail ;not form IFS CALL BACK
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NO_Disable_EOF_I24 EQU NOT Disable_EOF_I24
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