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; UPD ID= 8619, RIP:<7.MONITOR>SCPAR.MAC.2, 11-Feb-88 18:33:07 by GSCOTT
;TCO 7.1218 - Update copyright date.
; Edit 7181 to SCPAR.MAC by PALMIERI on 29-Oct-85
; foo
; UPD ID= 2185, SNARK:<6.1.MONITOR>SCPAR.MAC.19, 5-Jun-85 11:05:21 by MCCOLLUM
;TCO 6.1.1406 - Update copyright notice.
; UPD ID= 1730, SNARK:<6.1.MONITOR>SCPAR.MAC.18, 8-Apr-85 14:46:22 by PALMIERI
;TCO 6.1.1312 Change definition of SAB indirect table
; UPD ID= 1630, SNARK:<6.1.MONITOR>SCPAR.MAC.17, 13-Mar-85 17:31:43 by PALMIERI
;Make maximum number of MAXPRT dependent on NJSBPG from STG
; UPD ID= 1152, SNARK:<6.1.MONITOR>SCPAR.MAC.16, 5-Dec-84 17:12:15 by PALMIERI
;Add PTWAK and redefine PTBLK bits. Expand PTJFN to HWORD, since PT block
;is now 4 words long again.
; UPD ID= 697, SNARK:<6.1.MONITOR>SCPAR.MAC.12, 20-Jul-84 13:37:17 by GLINDELL
;Reinstate EVTDAT since it is now used...
; UPD ID= 656, SNARK:<6.1.MONITOR>SCPAR.MAC.11, 2-Jul-84 16:53:13 by GLINDELL
;Include layer in EVENT/SETEVT macros
;Add EVTCSE for CSSE event
;Remove EVTDAT since it is never used
; UPD ID= 518, SNARK:<6.1.MONITOR>SCPAR.MAC.10, 11-May-84 10:18:22 by GLINDELL
;Remove definition of unused BEGSTR NO since SCLINK now has such a BEGSTR
; UPD ID= 449, SNARK:<6.1.MONITOR>SCPAR.MAC.9, 25-Apr-84 09:29:18 by GLINDELL
;Keep node address instead of node name in CB (CBNAM =) CBNUM)
;Also, add word for loopback circuit in CB (CBCIR)
; UPD ID= 401, SNARK:<6.1.MONITOR>SCPAR.MAC.8, 21-Mar-84 13:47:13 by MCINTEE
;Make BEGSTR PT fit into 3 words again
; UPD ID= 379, SNARK:<6.1.MONITOR>SCPAR.MAC.7, 12-Mar-84 08:10:57 by MCINTEE
;Add PTSTS to BEGSTR PT
; UPD ID= 355, SNARK:<6.1.MONITOR>SCPAR.MAC.6, 27-Feb-84 07:41:35 by MCINTEE
;Remove previous edit. NJSBPG is not accessible, being in STG.REL
; UPD ID= 345, SNARK:<6.1.MONITOR>SCPAR.MAC.4, 24-Feb-84 13:28:12 by MCINTEE
;Make MAXPRT dependent on NJSBPG.
; UPD ID= 142, SNARK:<6.1.MONITOR>SCPAR.MAC.3, 25-May-83 10:44:19 by MCINTEE
;Update from the -10
; UPD ID= 14, SNARK:<6.1.MONITOR>SCPAR.MAC.2, 4-Feb-83 13:18:08 by CHALL
;ADD MAXPRT (NUMBER OF PORT BLOCKS PER JOB), FROM SCJSYS, WITH BEGSTR PT
; COPYRIGHT (c) DIGITAL EQUIPMENT CORPORATION 1984, 1988.
; ALL RIGHTS RESERVED.
;
; THIS SOFTWARE IS FURNISHED UNDER A LICENSE AND MAY BE USED AND COPIED
; ONLY IN ACCORDANCE WITH THE TERMS OF SUCH LICENSE AND WITH THE
; INCLUSION OF THE ABOVE COPYRIGHT NOTICE. THIS SOFTWARE OR ANY OTHER
; COPIES THEREOF MAY NOT BE PROVIDED OR OTHERWISE MADE AVAILABLE TO ANY
; OTHER PERSON. NO TITLE TO AND OWNERSHIP OF THE SOFTWARE IS HEREBY
; TRANSFERRED.
;
; THE INFORMATION IN THIS SOFTWARE IS SUBJECT TO CHANGE WITHOUT NOTICE
; AND SHOULD NOT BE CONSTRUED AS A COMMITMENT BY DIGITAL EQUIPMENT
; CORPORATION.
;
; DIGITAL ASSUMES NO RESPONSIBILITY FOR THE USE OR RELIABILITY OF ITS
; SOFTWARE ON EQUIPMENT THAT IS NOT SUPPLIED BY DIGITAL.
;TITLE SCPAR - Session Control Layer Parameters for DECnet-36 V022
SUBTTL V. Brownell 15 FEB 83
SEARCH D36PAR,PROLOG
SALL
; DATE LOAD EDIT #
; ---- ---- ------
;
XP SCPAR,022
UNIVERAL SCPAR - Session Control Layer Parameters for DECnet-36
Subttl Table of Contents
; Table of Contents for SCPAR
;
; Section Page
;
;
; 1. Globals . . . . . . . . . . . . . . . . . . . . . . . 3
; 2. Definitions
; 2.1 Internal Connect Block . . . . . . . . . . . . 4
; 2.2 Internal String Block . . . . . . . . . . . . 5
; 2.3 Connect Data Format . . . . . . . . . . . . . 6
; 2.4 Node Name Block . . . . . . . . . . . . . . . 8
; 2.5 NSP. UUO . . . . . . . . . . . . . . . . . . . 9
; 2.6 NSP. UUO Errors . . . . . . . . . . . . . . . 13
; 3. Macros
; 3.1 Code-Generating
; 3.1.1 Error Processors . . . . . . . . . . . . 14
; 3.1.2 EVENT . . . . . . . . . . . . . . . . . 15
; 3.1.3 Miscellaneous . . . . . . . . . . . . . 16
; 4. End of SCPAR . . . . . . . . . . . . . . . . . . . . . 17
SUBTTL Globals
EXT NJSBPG
SUBTTL Definitions -- Internal Connect Block
;This is the SC internal representation of the NSP. UUO's process descriptor
;block. There are two of these contained in the Connect Block, one for the
;destination name and one for the source name.
BEGSTR PB ;PROCESS DESCRIPTOR BLOCK
HWORD SIZ ;THE LENGTH FIELD (SEE BELOW FOR LEGAL LENGTHS)
FIELD FOR,9 ;FORMAT
FIELD OBJ,9 ;OBJECT TYPE
HWORD NCT ;NAME BYTE COUNT
WORD NAM,<<^D16+3>/4> ;END USER NAME
NXTWRD ;FORCE A NEW WORD, GRPCODE AND USRCODE
; MUST BE IN ONE WORD
HWORD GRP ;GRPCODE
HWORD USR ;USRCODE (GRPCODE + USRCODE = PPN)
ENDSTR
;The process block length must be between the following:
XP PBL.MN,^D3 ;MINIMUM LENGTH
XP PBL.MX,^D5 ;MAXIMUM LENGTH
;This is the internal representation of the NSP. UUO's connect block.
;This gets passed across the SCLINK - SCxUUO interface.
BEGSTR CB ;THE INTERNAL CONNECT BLOCK
WORD NUM ;Node number
WORD CIR ;Loopback circuit ID
WORD DST,PB.LEN ;DESTINATION END USER NAME
WORD SRC,PB.LEN ;SOURCE END USER NAME
WORD UID,<<^D39+3>/4> ;SOURCE USER IDENTIFICATION
WORD PSW,<<^D39+3>/4> ;ACCESS VERIFICATION PASSWORD
WORD ACC,<<^D39+3>/4> ;ACCOUNT DATA
WORD UDA,<<^D16+3>/4> ;END USER CONNECT DATA
HWORD UCT ;USER ID BYTE COUNT
HWORD PCT ;PASSWORD BYTE COUNT
HWORD ACT ;ACCOUNT DATA BYTE COUNT
HWORD CCT ;USER CONNECT DATA COUNT
ENDSTR
;The length of the connect block must be between:
XP CBL.MN,^D2 ;MINIMUM LENGTH
XP CBL.MX,^D8 ;MAXIMUM LENGTH
;These are the possible format types that are legal at present. They are
;given numerical symbols as defined in the spec.
XP FRM.0,0 ;[0][OBJ-TYPE (B)]
XP FRM.1,1 ;[1][NAME (I-16)]
XP FRM.2,2 ;[2][GRPCODE (2B)][USRCOD (2B)][DESCRPT (I-12)]
XP FRM.MX,FRM.2 ;LARGEST LEGAL FORMAT TYPE
SUBTTL Definitions -- Internal String Block
;This is the structure to which we copy the users string-block argument.
;As it turns out, this block is only used for DATA-CTL type fields, so we
;keep the length down to 39 bytes.
SB.MAX==^D39 ;MAX BYTES IN A STRING BLOCK
;A string block length must be between the following:
XP SBL.MN,1 ;MINIMUM (WE NEED AT LEAST A COUNT)
XP SBL.MX,SB.LEN ;MAXIMUM
BEGSTR SB ;THE INTERNAL STRING BLOCK
HWORD CNT ;COUNT OF BYTES IN BLOCK
HWORD WDS ;THE LENGTH IN WORDS OF STRING BLOCK
WORD DAT,<<SB.MAX+3>/4> ;SB.MAX 8-BIT BYTES OF DATA
ENDSTR
;The SAB indirect table pointed to by PSBSAB
BEGSTR ST
WORD NP ;Normal priority
WORD P1 ;PSI level 1
WORD P2
WORD P3
ENDSTR
SUBTTL Definitions -- Connect Data Format
;The connect data is sent whenever one requests a connect. The data is
;fairly ambiguous.
;The following is the definitions for the MENUVER field of the connect data.
;This field specifies what other connect data will follow and what version
;of Session Control we are talking to.
BEGSTR MN ;MENUVER
FIELD RPA,1,35 ;RQSTRID, PASSWRD, ACCOUNT FIELDS ARE INCLUDED
FIELD USR,1,34 ;USRDATA INCLUDED
FIELD RSV,3,33 ;RESERVED FIELD
FIELD VER,2,30 ;VERSION OF SESSION CONTROL
ENDSTR
;Our Session Control Version
XP SC.VER,0 ;VERSION 0
;PORT TABLE ENTRY
MAXPRT==NJSBPG/2 ;Maximum port table entries per job
BEGSTR PT
FIELD CON,6 ;USER'S PSI CHANNEL FOR INCOMING CI OR CC
FIELD INT,6 ;USER'S PSI CHANNEL FOR INTERRUPT MESSAGES
FIELD DAT,6 ;USER'S PSI CHANNEL FOR DATA/DISCONNECT
FIELD TYP,1 ;OPEN TYPE: 0=PASSIVE 1=ACTIVE
FIELD EMI,1 ;EOM HAS ARRIVED
FIELD PSI,1 ;USER HAS BEEN "PSI"ED FOR DATA AVAILABLE
FIELD LWC,1 ;LINK WAS CONNECTED INDICATOR
FIELD BLK,1 ;THIS LINK IS BLOCKED (BLOCKING I/O)
FIELD WAK,1 ;WAKE THE NEXT PROCESS THAT TRIES TO BLOCK
FIELD NRR,1 ;NULL RECORD RECEIVED.
HWORD JFN ;JFN ASSOCIATED WITH CHANNEL
HWORD FRK ;FORK NUMBER
HWORD STS ;LINK STATUS
WORD DEV ;STORAGE FOR DEV DURING A BLOCK
ENDSTR
Repeat 0,<
SUBTTL Definitions -- Node Name Block
;There is one node name block for each node. They are kept on doubly linked
;lists, with the head each list in a vector MAX-NODES long.
BEGSTR NO ;NOde name
WORD NXT ;POINTER TO NEXT GUY
WORD LST ;POINTER TO LAST GUY
WORD CID ;CIRCUIT ID USED ONLY FOR LOOPBACK
WORD CNT ;COUNT OF BYTES IN NODE NAME
; (DOESN'T NEED FULL WORD, REST IS FREE)
WORD NAM,<<^D6+3>/4> ;NODE NAME TEXT
ENDSTR
>
SUBTTL Definitions -- NSP. UUO
;All of these definitions should eventually be in UUOSYM, so we should
;be able to search UUOSYM and REPEAT 0 these definitions.
DEFINE INIOFF(PREFIX,START<0>),<
%%%CTR==START-1
DEFINE OFFSET(ITEM),<%%%CTR==%%%CTR+1
PREFIX''ITEM==%%%CTR>
DEFINE ENDOFF(MAXSYM<MX>),<
PREFIX''MAXSYM==%%%CTR>
>
;Connection states
INIOFF .NSS,1
OFFSET CW ;CONNECT WAIT
OFFSET CR ;CONNECT RECEIVED
OFFSET CS ;CONNECT SENT
OFFSET RJ ;REMOTE REJECTED CONNECT INIT
OFFSET RN ;LINK IS UP AND RUNNING
OFFSET DR ;DISCONNECT RECEIVED
OFFSET DS ;DISCONNECT SENT
OFFSET DC ;DISCONNECT CONFIRMED
OFFSET CF ;NO CONFIDENCE
OFFSET LK ;NO LINK
OFFSET CM ;NO COMMUNICATION
OFFSET NR ;NO RESOURCES
ENDOFF
;DECnet-10 State variable fields
BEGSTR NS
FIELD FLG,6 ;FLAG FIELD
BIT WAI ; WAIT FOR CONDITION
BIT EOM ; END OF MESSAGE
FILLER 12 ;SPACE FOR FUTURE FLAGS
FIELD STS,4 ;STATUS BITS BITS 18-22
BIT IDA ;INTERRUPT DATA AVAILABLE
BIT IDR ;INTERRUPT DATA MAY BE SENT
BIT NDA ;NORMAL DATA AVAILABLE
BIT NDR ;NORMAL DATA MAY BE SENT
FIELD STA,6,35 ;THE CONNECTION STATE
ENDSTR
;Argument block offsets
INIOFF .NSA
OFFSET FN ;FUNCTION CODE
OFFSET CH ;STATUS,,CHANNEL ID
OFFSET A1 ;FIRST ARGUMENT
OFFSET A2 ;SECOND
OFFSET A3 ;THIRD
ENDOFF
;Function code word definitions
BEGSTR NF
FIELD FLG,6 ;Warning: Flags must be in the same order as
; the NSFLG and SAFLG flags. NFFLG must
; be same size as SAFLG for LOAD SAFLG then
; STOR NFFLG and vice versa.
BIT WAI ; WAIT FOR CONDITION
BIT EOM ; END OF MESSAGE
FIELD FNC,6,17 ;FUNCTION CODE
HWORD SIZ ;SIZE OF BLOCK IN WORDS
ENDSTR
;String block offsets
INIOFF .NSA
OFFSET SL ;STRING BLOCK LENGTH (BYTE COUNT)
OFFSET ST ;START OF THE STRING
ENDOFF
;Process descriptor blocks
INIOFF .NSD
OFFSET FM ;FORMAT TYPE (EITHER 0, 1, OR 2)
OFFSET OB ;OBJECT TYPE
OFFSET PP ;XWD PROJECT,PROGRAMMER
OFFSET PN ;S-BLOCK POINTER TO TASK NAME
ENDOFF SZ
;Connect blocks
INIOFF .NSC
OFFSET ND ;S-POINTER TO NODE NAME
OFFSET SD ;PD-POINTER TO SOURCE PROCESS
OFFSET DD ;PD-POINTER TO DESTINATION
OFFSET US ;PD-POINTER TO USER ID
OFFSET PW ;S-POINTER TO PASSWORD
OFFSET AC ;S-POINTER TO ACCOUNT
OFFSET UD ;S-POINTER TO USER DATA
ENDOFF SZ
;Argument block passed back from SCLINK on a call to SCTPSQ
BEGSTR PS ;PASSED IN T1 AND T2
FIELD FLG,18 ;FLAGS
BIT MOR ;SET IF MORE PSIs QUEUED
HWORD PSM ;THE PSI MASK FOR THIS LINK
NXTWRD ;NOW IN T1
HWORD STS ;THE STATUS HALF-WORD
HWORD CHN ;THE CHANNEL NUMBER
ENDSTR
;DECnet-10 Functions
INIOFF .NSF
OFFSET RE ;RESET ALL LINKS
OFFSET EA ;ENTER ACTIVE STATE
OFFSET EP ;ENTER PASSIVE STATE
OFFSET RI ;READ CONNECT INFORMATION
OFFSET AC ;ACCEPT THE CONNECT
OFFSET RJ ;REJECT THE CONNECT
OFFSET RC ;READ CONNECT CONFIRM INFORMATION
OFFSET SD ;SYNCHRONOUS DISCONNECT
OFFSET AB ;ABORT
OFFSET RD ;READ DISCONNECT DATA
OFFSET RL ;RELEASE THE CHANNEL
OFFSET RS ;READ THE CHANNEL STATUS
OFFSET IS ;SEND INTERRUPT DATA
OFFSET IR ;RECEIVE INTERRUPT DATA
OFFSET DS ;SEND NORMAL DATA
OFFSET DR ;RECEIVE NORMAL DATA
OFFSET SQ ;SET QUOTAS AND GOALS
OFFSET RQ ;READ QUOTAS AND GOALS
OFFSET JS ;SET JOB QUOTAS AND GOALS
OFFSET JR ;READ JOB QUOTAS AND GOALS
OFFSET PI ;SET PSI REASON MASK
ENDOFF
;Flow control modes.
INIOFF NSF.,1
OFFSET C0 ;NO FLOW CONTROL
OFFSET CS ;SEGMENT FLOW CONTROL
OFFSET CM ;MESSAGE FLOW CONTROL
ENDOFF
SUBTTL Definitions -- NSP. UUO Errors
;The following are the values that we return to the user on NSP. error
;returns. The errors are reported with the SCERR macro.
INIOFF %NE,1
OFFSET ABE ;Argument Block Format Error
OFFSET ALF ;Allocation failure
OFFSET BCN ;Bad channel number
OFFSET BFT ;Bad format type in process block
OFFSET CFE ;Connect Block format error
OFFSET IDL ;Interrupt data too long
OFFSET IFM ;Illegal flow control mode
OFFSET ILF ;Illegal function
OFFSET JQX ;Job quota exhausted
OFFSET LQX ;Link quota exhausted
OFFSET NCD ;No connect data to read
OFFSET PIO ;Percentage input out of bounds
OFFSET PRV ;No Privileges to Perform Function
OFFSET STB ;*** OBSOLETE ***
OFFSET UKN ;Unknown node name
OFFSET UXS ;Unexpected State: Unspecified
OFFSET WNA ;Wrong number of arguments
OFFSET WRS ;Function called in wrong state
;New error codes (to be re-ordered):
OFFSET CBL ;Connect block length error
OFFSET PBL ;Process block length error
OFFSET SBL ;String block length error
OFFSET UDS ;Unexpected State: Disconnect Sent
OFFSET UDC ;Unexpected State: Disconnect Confirmed
OFFSET UCF ;Unexpected State: No Confidence
OFFSET ULK ;Unexpected State: No Link
OFFSET UCM ;Unexpected State: No Communication
OFFSET UNR ;Unexpected State: No Resources
;Error codes which correspond to DECnet disconnect codes.
;We do not intend any mapping other than table-lookup between
;the error code numbers and our error codes.
OFFSET RBO ;REJECTED BY OBJECT
OFFSET DBO ;DISCONNECTED BY OBJECT (WHEN RUNNING)
OFFSET RES ;NO RESOURCES
OFFSET UNN ;UNRECOGNIZED NODE NAME
OFFSET RNS ;REMOTE NODE SHUT DOWN
OFFSET URO ;UNRECOGNIZED OBJECT
OFFSET IOF ;INVALID OBJECT NAME FORMAT
OFFSET OTB ;OBJECT TOO BUSY
OFFSET ABM ;ABORT BY MANAGEMENT
OFFSET ABO ;ABORT BY OBJECT
OFFSET INF ;INVALID NODE NAME FORMAT
OFFSET LNS ;LOCAL NODE SHUT DOWN
OFFSET ACR ;ACCESS CONTROL REJECTION
OFFSET RNO ;NO RESPONSE FROM OBJECT
OFFSET NUR ;NODE UNREACHABLE
OFFSET NLK ;NO LINK
OFFSET DSC ;DISCONNECT COMPLETE
OFFSET IMG ;IMAGE FIELD TOO LONG
OFFSET REJ ;UNSPECIFIED REJECT REASON
OFFSET BCF ;BAD COMBINATION OF NS.EOM & NS.WAI FLAGS
OFFSET ADE ;ADDRESS ERROR IN USER ARGS
OFFSET IMF ;ILLEGAL MESSAGE FORMAT DETECTED
;Second-order reordering required:
OFFSET UCW ;UNEXPECTED STATE: CONNECT WAIT
OFFSET UCR ;UNEXPECTED STATE: CONNECT RECEIVED
OFFSET UCS ;UNEXPECTED STATE: CONNECT SENT
OFFSET URJ ;UNEXPECTED STATE: REJECT
OFFSET URN ;UNEXPECTED STATE: RUN
ENDOFF
SUBTTL Macros -- Code-Generating -- Error Processors
;SCERR is called from SCSER and SCUUO to report a user error (NSP. error
;code).
DEFINE SCERR(errcod,return,text),<
JRST [MOVX T1,errcod
IFB <return>,<RET>
IFNB <return>,<
IFIDN <return><CPOPJ>,<RET>
IFDIF <return><CPOPJ>,<JRST return>
>
]
>
SUBTTL Macros -- Code-Generating -- EVENT
;This macro used by LLINKS and SCLINK to call NSP's event routine.
;Note that MB & MS are assumed to be set up the same by both modules.
DEFINE EVENT(layer,type,text,glabel),<
IFB <glabel>,<
CALL [ SETEVT(layer,type,text)
CALLRET NSPEVT] ;;PASSING T1,MB,MS
>
IFNB <glabel>,<
JRST [ SETEVT(layer,type,text)
CALL NSPEVT ;;PASSING T1,MB,MS
JRST glabel]
>
>
DEFINE SETEVT(layer,type,text),<
SAVEAC <T1,T2,T3,T4,T5,T6,P1,P2>
IFN FTTRACE,<
XMOVEI T1,. ;;ALL THE WAY TO TOP LITERAL LEVEL
IFNB <text>,<XMOVEI T2,[ASCIZ /text/]>
IFB <text>,<SETZ T2,>
MOVX T3,EVT'type
CALL EVTTRC ;;EVENT TRACER
>
MOVX T1,.NC'layer
MOVX T2,EVT'type
>;END OF DEFINE SETEVT
;The class 3 (NSP) event types:
EVTMSG==0 ;TYPE 0 IS INVALID MESSAGE
EVTFLO==1 ;TYPE 1 IS INVALID FLOW CONTROL
EVTDAT==2 ;TYPE 2 IS DATA BASE REUSED
;The class 96 (LCG( event types
EVTCSE==0 ;Type 0 is 'close-link' event for CSSE
SUBTTL Macros -- Code-Generating -- Miscellaneous
;BYTES(size,<byte1,byte2,...,byten>) will place the n bytes in bytes
;size wide.
DEFINE BYTES(SIZE,ARGS,%1,%2),<
%1==0
%2==0
IRP ARGS,<
%2==<%2_^D'SIZE>+<ARGS_<^D36/^D'SIZE>>
%1==%1+1
IFE %1-<^D36/^D'SIZE>,<
EXP %2
%1==0
%2==0
>>
IFN %1,<
%2==%2_<<<^D36/^D'SIZE>-%1>*^D'SIZE>
EXP %2
>
>
SUBTTL End of SCPAR
IFN FTOPS10,.XCMSY
END