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BB-JR93N-BB_1990
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10,7/mon/scaprm.mac
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UNIVERSAL SCAPRM - PARAMETERS FOR SYSTEMS COMMUNICATION ARCHITECTURE V25
SUBTTL JOSEPH A. DZIEDZIC/JAD 17 APR 90
SEARCH F,S,KLPPRM,MACSYM
SALL
;THIS UNIVERSAL FILE CONTAINS DEFINITIONS OF DATA STRUCTURES USED BY
;SCA. DEFINITIONS FOR THE PHYSICAL PORT DRIVER ARE FOUND IN KLPPRM.
;THIS SOFTWARE IS FURNISHED UNDER A LICENSE AND MAY BE USED
; OR COPIED ONLY IN ACCORDANCE WITH THE TERMS OF SUCH LICENSE.
;
;COPYRIGHT (c) DIGITAL EQUIPMENT CORPORATION 1984,1986,1988,1990.
;ALL RIGHTS RESERVED.
.CPYRT<1984,1990>,.
XP VSCAPR,25
SUBTTL ABBREVIATIONS USED IN THE WORLD OF SCA
COMMENT |
SB System Block - describes a unique node on the CI bus.
PB Path Block - describes a unique path to a node on the CI bus.
PCB Port Control Block - contains queues and data relating to a
single port, shared by both the physical port and the software.
SBI System Block Index - an index into the packed list of System
Blocks.
PBI Path Block Index - an index into the packed list of Path Blocks.
CID Source Connect Identifier - something useful
PPD Physical Port Driver - the software which controls the port
hardware.
|; END OF COMMENT
SUBTTL FEATURE TESTS IN SCA
XP FTOPS10,1 ;TOPS-10
XP FTOPS20,0 ;NOT TOPS-20
XP FTINFO,-1 ;PRINT LOTS OF INFO ON PATH STATE CHANGES
SUBTTL CONSTANTS
C%BINV==^D11 ;SIZE OF INVISIBLE SPACE BEFORE ALL BUFFERS
C%MGSZ==^D52 ;SIZE OF MESSAGE BUFFER
C%MGPG==PAGSIZ/<C%MGSZ+C%BINV> ;NUMBER OF MESSAGE BUFFERS IN A PAGE
C%DGSZ==^D158 ;SIZE OF DATAGRAM BUFFER
C%DGPG==PAGSIZ/<C%DGSZ+C%BINV> ;NUMBER OF DATAGRAM BUFFERS IN A PAGE
C%OVHD==^D12 ;OVERHEAD BYTE COUNT FOR APPLICATION MSG/DG
C%OVHW==<C%OVHD+3>/4 ;OVERHEAD WORD COUNT FOR APPLICATION MSG/DG
C%PPDL==2 ;LENGTH IN BYTES OF PPD FIELD
C%CIDL==<PAGSIZ/2> ;LENGTH OF CONNECT ID TABLE
C%PNMN==^D16 ;MAXIMUM LENGTH (BYTES) OF PROCESS NAME
C%PNLW==<C%PNMN+3>/4 ;LENGTH IN WORDS
C%CDMN==^D16 ;MAXIMUM LENGTH (BYTES) OF CONNECT DATA
C%CDLW==<C%CDMN+3>/4 ;LENGTH IN WORDS
C%SDTL==^D16 ;SEND DATA LENGTH (BYTES)
C%SDTW==<C%SDTL+3>/4 ;LENGTH IN WORDS
C%DATL==^D16 ;LENGTH OF CONNECTION DATA (BYTES)
C%DTLW==<C%DATL+3>/4 ;LENGTH IN WORDS
;LENGTHS OF EVENT QUEUE BLOCKS (FOR SCS. UUO/JSYS)
C%VCCL==.EBCOD+2 ;VC CLOSED
C%CTLL==.EBCOD+5 ;CONNECT TO LISTEN
C%CRAL==.EBCOD+5 ;CONNECTION ACCEPT
C%CRRL==.EBCOD+2 ;CONNECTION REJECT
C%MSCL==.EBCOD+2 ;MESSAGE/DATAGRAM SEND COMPLETE
C%LCLL==.EBCOD+2 ;LITTLE CREDIT LEFT
C%OSDL==.EBCOD+1 ;OK TO SEND DATA
C%RIDL==.EBCOD+1 ;REMOTE INITIATED DISCONNECT
C%PBCL==.EBCOD+2 ;PORT BROKE CONNECTION
C%CIAL==.EBCOD+3 ;CREDIT IS AVAILABLE
;THESE CONSTANTS TWEAK THE BUFFER MANAGEMENT PARAMETERS. THEY CONTROL
;THRESHOLD AND OTHER FACTORS THAT COULD VERY SIGNIFICANTLY AFFECT SCA
;PERFORMANCE. BE SURE OF WHAT YOU ARE DOING BEFORE YOU CHANGE THESE.
C%MBPP==C%MGPG ;NUMBER OF MESSAGE BUFFERS PER PB
C%MBCR==^D2 ;NUMBER OF MESSAGE BUFFERS TO QUEUE BEFORE
; WE SEND A CREDIT REQUEST ABOUT THEM
C%MGTR==<C%PBLL*2>+^D10 ;THRESHOLD FOR MESSAGE BUFFERS, IF WE HAVE LESS
; THAN THIS AT ALLOCATE TIME ASK FOR SOME MORE
C%DGTR==C%PBLL+^D20 ;THRESHOLD FOR DATAGRAM BUFEFERS, IF WE HAVE LESS
; THAN THIS AT ALLOCATE TIME ASK FOR SOME MORE
C%DBPP==C%DGPG*2 ;NUMBER OF DATAGRAM BUFFERS PER PB
C%LGRQ==^D3 ;A BUFFER REQUEST LARGER THAN THIS IS A LARGE
; REQUEST AND WILL NOT BE HONORED IF IT PUTS
; US UNDER THE THRESHOLD
C%TMGT==^D5 ;TIMEOUT FOR TIMED MESSAGES
C%BYTM==<C%MGSZ+3>*4 ;SIZE OF MAXIMUM MESSAGE (BYTES)
C%WORM==C%MGSZ ;SIZE OF MAXIMUM MESSAGE (WORDS)
C%BYTD==<C%DGSZ+3>*4 ;SIZE OF MAXIMUM DATAGRAM (BYTES)
C%WORD==C%DGSZ ;SIZE OF MAXIMUM DATAGRAM (WORDS)
C%SBLL==MAXNDS ;SIZE OF SYSTEM BLOCK LIST
C%PBLL==C%SBLL*6 ;SIZE OF PATH BLOCK LIST (MAX OF 1 CI PER CPU)
C%BHDN==<PAGSIZ/.BHSIZ> ;NUMBER OF BUFFER HEADER DESCRIPTORS
C%BSDN==C%BHDN*2 ;NUMBER OF BUFFER SEGMENT DESCRIPTORS
C%MXBF==^D100 ;MAXIMUM NUMBER OF USER BUFFERS WHICH MAY
; BE QUEUED FOR THE SCS. UUO/JSYS
SUBTTL SYSTEM BLOCK FORMAT
PHASE 0 ;DEFINE AS OFFSETS
.SBDPN:!BLOCK 1 ;DESTINATION PORT NUMBER (CI NODE NUMBER)
MSKSTR (SBDPN,.SBDPN,<0,,-1>) ;DESTINATION PORT NUMBER
.SBIDX:!BLOCK 1 ;INDICES
MSKSTR (SBSBI,.SBIDX,<0,,-1>) ;THIS SYSTEM BLOCK INDEX
.SBPIN:!BLOCK 1 ;PATH INFORMATION
MSKSTR (SBPBI,.SBPIN,<-1,,0>) ;INDEX OF FIRST PATH BLOCK
MSKSTR (SBDPC,.SBPIN,<0,,-1>) ;NUMBER OF PATH BLOCKS
;BLOCK FILLED IN WITH BLT FROM RECEIVED START DATAGRAM
;*** DO NOT SEPARATE OR RE-ARRANGE THE FOLLOWING ***
.SBDSA:!BLOCK 2 ;DESTINATION SYSTEM ADDRESS
.SBMMS:!BLOCK 1 ;MAXIMUM MESSAGE,,DATAGRAM LENGTH
MSKSTR (SBMXMG,.SBMMS,<-1,,0>) ;MAXIMUM MESSAGE SIZE
MSKSTR (SBMXDG,.SBMMS,<0,,-1>) ;MAXIMUM DATAGRAM SIZE
.SBDST:!BLOCK 1 ;DESTINATION SOFTWARE TYPE
.SBDSV:!BLOCK 1 ;DESTINATION SOFTWARE VERSION
.SBDSE:!BLOCK 2 ;DESTINATION SOFTWARE EDIT
.SBDHT:!BLOCK 1 ;DESTINATION HARDWARE TYPE
.SBDHV:!BLOCK 3 ;DESTINATION HARDWARE VERSION
.SBNNM:!BLOCK 2 ;DESTINATION NODE NAME
.SBDTD:!BLOCK 2 ;DESTINATION TIME OF DAY FROM START PACKET
.SBBLE:! ;END OF BLT
;*** END OF DO NOT SEPARATE OR RE-ARRANGE ***
.SBLEN:! ;LENGTH OF A SYSTEM BLOCK
DEPHASE
SUBTTL PATH BLOCK FORMAT
PHASE 0 ;DEFINE AS OFFSETS
.PBPCB:!BLOCK 1 ;PORT CONTROL BLOCK ADDRESS
.PBDPN:!BLOCK 1 ;DESTINATION PORT NUMBER (CI NODE NUMBER)
MSKSTR (PBDPN,.PBDPN,<0,,-1>) ;DESTINATION PORT NUMBER
.PBIDX:!BLOCK 1 ;INDICES
MSKSTR (PBPBI,.PBIDX,<777700,,0>) ;THIS PATH BLOCK INDEX
MSKSTR (PBNPI,.PBIDX,<77,,770000>) ;NEXT PATH BLOCK INDEX
MSKSTR (PBSBI,.PBIDX,<0,,007777>) ;SYSTEM BLOCK INDEX
.PBVCS:!BLOCK 1 ;VIRTUAL CIRCUIT STATE
MSKSTR (PBVCST,.PBVCS,7) ;VIRTUAL CIRCUIT STATE
VC.CLO==0 ;CLOSED
VC.STS==1 ;START-SENT
VC.STR==2 ;START-RECEIVED
VC.OPN==3 ;OPENED
.PBFLG:!BLOCK 1 ;FLAGS
PB.TMG==1B0 ;TIMED MESSAGE
PB.OVC==1B1 ;VC NEEDS TO BE OPENED
PB.OFL==1B2 ;NODE OFFLINE
PB.NTC==1B18 ;VC NEEDS TO BE CLOSED
PB.OKO==1B19 ;OK TO OPEN VC
PB.WFI==1B20 ;WAITING FOR NEW IDREC
.PBSST:!BLOCK 1 ;START SEQUENCE TIMER
.PBTIM:!BLOCK 1 ;TIME LAST MESSAGE RECEIVED
.PBTWQ:!BLOCK 1 ;FLINK FOR SCA WORK QUEUE FOR THIS PATH BLOCK
.PBBWQ:!BLOCK 1 ;BLINK FOR SCA WORK QUEUE FOR THIS PATH BLOCK
.PBCLC:!BLOCK 1 ;COUNT OF LOCKED CONNECTIONS
.PBOBB:!BLOCK 1 ;SAVED BUFFER TO USE IN SC.SNM
.PBFCB:!BLOCK 1 ;POINTER TO FIRST CONNECTION BLOCK
.PBLCB:!BLOCK 1 ;POINTER TO LAST CONNECTION BLOCK
.PBDPC:!BLOCK 1 ;DESTINATION PORT CHARACTERISTICS
.PBDCR:!BLOCK 1 ;DESTINATION CODE REVISION
.PBDPF:!BLOCK 1 ;DESTINATION PORT FUNCTIONALITY
.PBDPS:!BLOCK 1 ;DESTINATION PORT STATE
IFN FTMP,<
.PBCPU:!BLOCK 1 ;CPU WHICH OWNS THIS PATH BLOCK
>; END IFN FTMP
.PBLEN:! ;LENGTH OF A PATH BLOCK
DEPHASE
SUBTTL WORKING QUEUE HEADER
;THIS HEADER RESIDES IN THE SECTION OF THE PACKET WHERE THE CI PPD
;HEADER WILL GO. SINCE THERE IS NO DATA STORED THERE BY THE PPD,
;WE MAY USE IT TO STORE OVERHEAD DATA ABOUT THE WORKING QUEUE.
PHASE 0 ;DEFINE AS OFFSETS
.WQANB:!BLOCK 1 ;ADDRESS OF NEXT BUFFER
.WQLEN:!BLOCK 1 ;FLAGS AND LENGTH
MSKSTR (WQFLG,.WQLEN,<-1,,0>) ;FLAGS
MSKSTR (WQLEN,.WQLEN,<0,,-1>) ;PACKET LENGTH
.WQPRI:!BLOCK 1 ;PRIORITY INFORMATION
MSKSTR (WQPRI,.WQPRI,<0,,-1>) ;MESSAGE SEND PRIORITY
.WQSTS:!BLOCK 1 ;STATES
MSKSTR (WQBST,.WQSTS,<-1,,0>) ;NEW BLOCK STATE
MSKSTR (WQCST,.WQSTS,<0,,-1>) ;NEW CONNECTION STATE
.WQRSV:!BLOCK 1 ;RESERVED - USE ONLY IN DESPERATION
DEPHASE
SUBTTL CONFIGURATION DATA BLOCK FORMAT
;THIS IS THE FORMAT OF DATA RETURNED BY A CALL TO SC.RSB.
PHASE 0 ;DEFINE AS OFFSETS
.RSPIN:!BLOCK 1 ;PATH INFORMATION
MSKSTR (RSPBI,.RSPIN,<777700,,0>) ;FIRST PATH BLOCK INDEX
MSKSTR (RSDPC,.RSPIN,<77,,770000>) ;DESTINATION PORT COUNT
MSKSTR (RSDPN,.RSPIN,<0,,7777>) ;DESTINATION PORT NUMBER
;BLOCK FILLED IN WITH BLT FROM SYSTEM BLOCK
;*** DO NOT SEPARATE OR RE-ARRANGE THE FOLLOWING ***
.RSDSA:!BLOCK 2 ;DESTINATION SYSTEM ADDRESS
.RSMMS:!BLOCK 1 ;MAXIMUM MESSAGE,,DATAGRAM LENGTH
MSKSTR (RSMXMG,.RSMMS,<-1,,0>) ;MAXIMUM MESSAGE SIZE
MSKSTR (RSMXDG,.RSMSS,<0,,-1>) ;MAXIMUM DATAGRAM SIZE
.RSDST:!BLOCK 1 ;DESTINATION SOFTWARE TYPE
.RSDSV:!BLOCK 1 ;DESTINATION SOFTWARE VERSION
.RSDSI:!BLOCK 2 ;DESTINATION SOFTWARE INCARNATION
.RSDHT:!BLOCK 1 ;DESTINATION HARDWARE TYPE
.RSDHV:!BLOCK 3 ;DESTINATION HARDWARE VERSION
.RSDNN:!BLOCK 2 ;DESTINATION NODE NAME
.RSDTD:!BLOCK 2 ;DESTINATION TIME OF DAY FROM START PACKET
.RSBLE:! ;END OF BLT
;*** END OF DO NOT SEPARATE OR RE-ARRANGE ***
.RSLEN:! ;LENGTH OF BLOCK RETURNED BY SC.RSB
DEPHASE
;THIS IS THE FORMAT OF DATA RETURNED BY A CALL TO SC.RPB.
PHASE 0 ;DEFINE AS OFFSETS
.RPSTS:!BLOCK 1 ;VIRTUAL CIRCUIT STATUS AND DESTINATION PORT
MSKSTR (RPVCST,.RPSTS,<-1,,0>) ;VIRTUAL CIRCUIT STATE
MSKSTR (RPDPN,.RPSTS,<0,,-1>) ;DESTINATION PORT NUMBER
.RPIDX:!BLOCK 1 ;INDICES
MSKSTR (RPNPI,.RPIDX,<-1,,0>) ;NEXT PATH BLOCK INDEX
MSKSTR (RPSBI,.RPIDX,<0,,-1>) ;SYSTEM BLOCK INDEX
.RPDPC:!BLOCK 1 ;DESTINATION PORT CHARACTERISTICS
.RPDCR:!BLOCK 1 ;DESTINATION CODE REVISION
.RPDPF:!BLOCK 1 ;DESTINATION PORT FUNCTIONALITY
.RPDPS:!BLOCK 1 ;DESTINATION PORT STATE
.RPLEN:! ;LENGTH OF BLOCK RETURNED BY SC.RPB
DEPHASE
;THIS IS THE FORMAT OF DATA RETURNED BY A CALL TO SC.CSP.
PHASE 0 ;DEFINE AS OFFSETS
.CDCST:!BLOCK 1 ;STATUS INFO
MSKSTR (CDCST,.CDCST,<0,,-1>) ;CONNECT STATE
.CDDCI:!BLOCK 1 ;DESTINATION CONNECT ID
.CDSCI:!BLOCK 1 ;SOURCE CONNECT ID
.CDNOD:!BLOCK 1 ;DESTINATION NODE NUMBER
.CDDPN:!BLOCK C%PNLW ;DESTINATION PROCESS NAME
.CDREA:!BLOCK 1 ;DISCONNECT REASONS
MSKSTR (CDSREA,.CDREA,<-1,,0>) ;SOURCE DISCONNECT REASON
MSKSTR (CDDREA,.CDREA,<0,,-1>) ;DESTINATION DISCONNECT REASON
.CDLEN:! ;LENGTH OF A CONNECTION STATE DATA BLOCK
DEPHASE
SUBTTL CONNECTION BLOCK FORMAT
PHASE 0 ;DEFINE AS OFFSETS
.CBANB:!BLOCK 1 ;ADDRESS OF NEXT CONNECTION BLOCK
.CBAPB:!BLOCK 1 ;ADDRESS OF PREVIOUS CONNECTION BLOCK
.CBPBK:!BLOCK 1 ;ADDRESS OF PATH BLOCK
.CBSTS:!BLOCK 1 ;STATUS INFO
MSKSTR (CBBKST,.CBSTS,<-1,,0>) ;BLOCK STATE
MSKSTR (CBCNST,.CBSTS,<0,,-1>) ;CONNECTION STATE
.CBFLG:!BLOCK 1 ;FLAGS
CB.NNC==1B0 ;NEEDS CREDIT NOTIFY
CB.JSY==1B1 ;CB IS FOR JSYS CONNECTION
CB.ABT==1B2 ;CB HAS BEEN ABORTED
CB.RAP==1B3 ;CB IS TO BE REAPED
CB.DCL==1B4 ;THIS WAS A DON'T CARE LISTENER
CB.KIL==1B5 ;FORK HAS BEEN KILLED
CB.MDC==1B6 ;MAINTENANCE DATA CB
CB.CVC==1B7 ;VC WAS CLOSED
CB.SOB==1B8 ;STUCK ON BUFFERS
CB.PTC==1B9 ;PROTOCOL COMPLETE
CB.ERR==1B10 ;SC.ERR DEFERRED
CB.DIS==1B11 ;SC.DIS DEFERRED
CB.DRQ==1B12 ;SC.DRQ DEFERRED
CB.SNM==1B13 ;SC.SNM DEFERRED
CB.DEF==CB.ERR!CB.DIS!CB.DRQ!CB.SNM ;ALL DEFERRED BITS
.CBSCI:!BLOCK 1 ;SOURCE CONNECT ID
.CBDCI:!BLOCK 1 ;DESTINATION CONNECT ID
.CBADR:!BLOCK 1 ;ADDRESS OF ROUTINE TO CALL ON CONDITION CHANGES
.CBBUF:!BLOCK 1 ;BUFFER REQUESTS
MSKSTR (CBIMB,.CBBUF,<-1,,0>) ;NUMBER OF MESSAGE BUFFERS TO QUEUE
MSKSTR (CBIDB,.CBBUF,<0,,-1>) ;NUMBER OF DATAGRAM BUFFERS TO QUEUE
.CBNWQ:!BLOCK 1 ;ADDRESS OF NEXT ENTRY ON WORK QUEUE
.CBSPN:!BLOCK C%PNLW ;SOURCE PROCESS NAME
.CBDPN:!BLOCK C%PNLW ;DESTINATION PROCESS NAME
.CBDTA:!BLOCK C%DTLW ;CONNECTION DATA
.CBREA:!BLOCK 1 ;DISCONNECT/REJECT REASONS
MSKSTR (CBDDRE,.CBREA,<-1,,0>) ;DESTINATION DISCONNECT REASON
MSKSTR (CBSDRE,.CBREA,<0,,-1>) ;SOURCE DISCONNECT REASON
.CBRSP:!BLOCK 1 ;EXPECTED RESPONSE
MSKSTR (CBEXPR,.CBRSP,<-1,,0>) ;EXPECTED RESPONSE TO SCS MESSAGE SENT
.CBMCD:!BLOCK 1 ;MINIMUM CREDIT INFORMATION
MSKSTR (CBMNSC,.CBMCD,<-1,,0>) ;MINIMUM SEND CREDIT
MSKSTR (CBMNRC,.CBMCD,<0,,-1>) ;MINIMUM RECEIVE CREDIT
.CBSCD:!BLOCK 1 ;SEND CREDIT
.CBRCD:!BLOCK 1 ;RECEIVE CREDIT
.CBPRC:!BLOCK 1 ;PENDING RECEIVE CREDIT
.CBRQC:!BLOCK 1 ;CREDITS OUTSTANDING IN CDT_REQ
.CBRTC:!BLOCK 1 ;RETURN CREDIT
.CBNPO:!BLOCK 1 ;NUMBER OF PACKETS (MSG OR DG) ON PORT COMMAND QUEUE
.CBDGR:!BLOCK 1 ;NUMBER OF DG BUFFERS ON HARDWARE QUEUE
.CBCDD:!BLOCK 1 ;NUMBER OF DROPPED DATAGRAMS
.CBLCK:!BLOCK 1 ;INTERLOCK WORD
.CBPND:!BLOCK 1 ;FLAG WORD FOR CREDIT_REQUEST IN PROGRESS
.CBJNB:!BLOCK 1 ;ADDRESS OF NEXT CB IN THE JOB LIST
.CBJPB:!BLOCK 1 ;ADDRESS OF PREVIOUS CB IN THE JOB LIST
.CBMGJ:!BLOCK 1 ;NUMBER OF JSYS MESSAGE RECEIVE BUFFERS QUEUED
.CBDGJ:!BLOCK 1 ;NUMBER OF DG BUFFERS IN USER SPACE
.CBJCH:!BLOCK 1 ;JOB,,JCH OF WHO OWNS CONNECTION
MSKSTR (CBJCH,.CBJCH,<0,,-1>) ;JCH OF CONNECT OWNER
MSKSTR (CBJOB,.CBJCH,<-1,,0>) ;JOB OF CONNECT OWNER
.CBTMQ:!BLOCK 1 ;POINTER TO TOP OF MESSAGE PENDING QUEUE
.CBBMQ:!BLOCK 1 ;POINTER TO BOTTOM OF MESSAGE PENDING QUEUE
.CBTDQ:!BLOCK 1 ;POINTER TO TOP OF DATAGRAM AVAILABLE QUEUE
.CBBDQ:!BLOCK 1 ;POINTER TO BOTTOM OF DATAGRAM AVAILABLE QUEUE
.CBTXQ:!BLOCK 1 ;POINTER TO TOP OF DATA REQUEST COMPLETE QUEUE
.CBBXQ:!BLOCK 1 ;POINTER TO BOTTOM OF DATA REQUEST COMPLETE QUEUE
.CBTEQ:!BLOCK 1 ;POINTER TO TOP OF EVENT QUEUE
.CBBEQ:!BLOCK 1 ;POINTER TO BOTTOM OF EVENT QUEUE
.CBTBQ:!BLOCK 1 ;POINTER TO FIRST BUFFER LIST DESCRIPTOR BLOCK
.CBBBQ:!BLOCK 1 ;POINTER TO LAST BUFFER LIST DESCRIPTOR BLOCK
.CBLEN:! ;LENGTH OF A CONNECTION BLOCK
DEPHASE
IF2,<IFL <C%MGSZ-.CBLEN>,<PRINTX ?SCAPRM: Connection block too long for a message buffer>>
DEPHASE
SUBTTL BUFFER HEADER & BUFFER SEGMENT DESCRIPTOR BLOCK FORMATS
; BUFFER HEADER DESCRIPTOR
;
; +================+==========================+==+==+==+
; |00<---------->15|16<------------------->|32|33|34|35|
; .BHKEY | KEY | MBZ |P |V |E |W | 0
; +----------------+--------------------------+--+--+--+
; |00<------->11|12<-------------------------------->35|
; .BHBSA | MBZ | FIRST BUFFER SEGMENT DESCRIPTOR ADDR |--+ 1
; +-------------+--------------------------------------+ |
; |00<---------------------------------------------->35| |
; .BHLEN | LENGTH | | 2
; +----------------------------------------------------+ |
; | RESERVED | | 3
; +----------------------------------------------------+ |
; V |
; V |
; V |
; BUFFER SEGMENT DESCRIPTOR # 1 |
; +-------+-------+-------+----------------------------+ |
; |00<->05|06<->07|08<->11|12<---------------------->35|<-+
; .BSADR | MBZ | MODE | MBZ | BUFFER SEGMENT BASE ADDR | 0
; |-------+-------+--+----+----------------------------+
; |00<------------>11|12<--------------------------->35|
; .BSNXT | MBZ | NEXT BUFFER SEGMENT DESCRIPTOR |--+ 1
; |------------------+---------------------------------+ |
; |00<---------------------------------------------->35| |
; .BSLEN | SEGMENT LENGTH | | 2
; |----------------------------------------------------+ |
; | RESERVED | | 3
; +====================================================+ |
; V |
; V |
; V |
; BUFFER SEGMENT DESCRIPTOR # n |
; +=======+=======+=======+============================+ |
; |00<->05|06<->07|08<->11|12<---------------------->35|<-+
; .BSADR | MBZ | MODE | MBZ | BUFFER SEGMENT BASE ADDR | 0
; +-------+-------+-------+----------------------------+
; |00<------------>11|12<--------------------------->35|
; .BSNXT | MBZ | NEXT BUFFER SEGMENT DESCRIPTOR | 1
; |------------------+---------------------------------+
; |00<---------------------------------------------->35|
; .BSLEN | SEGMENT LENGTH | 2
; |----------------------------------------------------+
; | RESERVED | 3
; +====================================================+
;
;BUFFER HEADER DESCRIPTOR
BHPIDX==^D31 ;POSITION OF INDEX INTO BDT FIELD
BHSIDX==^D16 ;SIZE OF INDEX INTO BDT FIELD
PHASE 0 ;DEFINE AS OFFSETS
.BHKEY:!BLOCK 1 ;KEY AND VALIDITY BITS
BHPKEY==^D15 ;POSITION OF KEY FIELD
BHSKEY==^D16 ;SIZE OF KEY FIELD
BH.PRE==1B32 ;KLIPA MICROCODE SHOULD PRESERVE BH.VAL
BH.VAL==1B33 ;BHD CONTAINS VALID DATA
BH.ERR==1B34 ;SOME ERROR
BH.WRT==1B35 ;DATA ADDRESSED BY BSDS IS WRITABLE
.BHBSA:!BLOCK 1 ;PHYSICAL ADDRESS OF FIRST BUFFER SEGMENT DESCRIPTOR
.BHLEN:!BLOCK 1 ;LENGTH (IN NIBBLES) OF ENTIRE TRANSFER
.BHRSV:!BLOCK 1 ;RESERVED
.BHSIZ:! ;SIZE OF A BHD
DEPHASE
IFN .BHSIZ&3,<PRINTX ?BHD LENGTH MUST BE A MULTIPLE OF 4 WORDS>
DEPHASE
;BUFFER SEGMENT DESCRIPTOR
PHASE 0 ;DEFINE AS OFFSETS
.BSADR:!BLOCK 1 ;ADDRESS OF SEGMENT AND MODE BITS
BSPMOD==^D7 ;POSITION OF MODE FIELD
BSSMOD==^D2 ;SIZE OF MODE FIELD
BS.ICM==0B7 ;INDUSTRY COMPATIBLE MODE
BS.CDM==1B7 ;CORE-DUMP MODE
BS.HDM==2B7 ;HIGH DENSITY MODE
BS.ASM==3B7 ;7-BIT ASCII MODE (NOT AVAILABLE ON KLIPA)
.BSNXT:!BLOCK 1 ;PHYSICAL ADDRESS OF NEXT BSD (OR ZERO IF LAST BSD)
.BSLEN:!BLOCK 1 ;LENGTH (IN NIBBLES) OF THIS SEGMENT
.BSRSV:!BLOCK 1 ;RESERVED
.BSSIZ:! ;SIZE OF A BSD
DEPHASE
IFN .BSSIZ&3,<PRINTX ?BSD LENGTH MUST BE A MULTIPLE OF 4 WORDS>
DEPHASE
;NIBBLES/WORD FOR VARIOUS TRANSFER MODES
CDNPW==12 ;NIBBLES/WORD IN CORE DUMP MODE
HDNPW==11 ;NIBBLES/WORD IN HIGH DENSITY MODE
SUBTTL QUEUE POINTER ADDRESS BLOCK FORMAT
;THIS BLOCK IS USED TO PASS THE ADDRESSES OF QUEUES BETWEEN ROUTINES
;IN SCSUUO. SEE SCSDEQ IN SCSUUO.MAC.
PHASE 0 ;DEFINE AS OFFSETS
.TOPCQ:!BLOCK 1 ;ADDRESS OF CONNECT QUEUE HEAD POINTER
.BOTCQ:!BLOCK 1 ;ADDRESS OF CONNECT QUEUE TAIL POINTER
.TOPFQ:!BLOCK 1 ;ADDRESS OF JCH QUEUE HEAD POINTER
.BOTFQ:!BLOCK 1 ;ADDRESS OF JCH QUEUE TAIL POINTER
.JBUFF:!BLOCK 1 ;COUNT OF THESE JSYS BUFFERS
QLEN:! ;LENGTH OF THIS BLOCK
DEPHASE
SUBTTL JSYS PACKET BUFFER INVISIBLE DATA AREA BLOCK FORMAT
;THIS IS THE FORMAT OF THE "INVISIBLE DATA AREA" APPEARING BEFORE
;EVERY SCA PROVIDED BUFFER.
.JHFLG==-2 ;FLAGS
JH%DGB==1B0 ;THIS IS A DATAGRAM BUFFER
.JHAUB==-1 ;ADDRESS OF USER BUFFER
SUBTTL JSYS BUFFER LIST DESCRIPTOR BLOCK FORMAT
;THIS BLOCK IS USED TO MAINTAIN A LIST OF BUFFERS QUEUED BY THE USER.
PHASE 0 ;DEFINE AS OFFSETS
.BDNXT:!BLOCK 1 ;ADDRESS OF NEXT BUFFER SEGMENT DESCRIPTOR BLOCK
.BDPRE:!BLOCK 1 ;ADDRESS OF PREVIOUS BUFFER SEGMENT DESCRIPTOR BLOCK
.BDFFD:!BLOCK 1 ;ADDRESS OF FIRST FREE BLOCK
.BDLFD:!BLOCK 1 ;ADDRESS OF LAST FREE BLOCK
.BDFMG:!BLOCK 1 ;ADDRESS OF FIRST MESSAGE BUFFER BLOCK
.BDLMG:!BLOCK 1 ;ADDRESS OF LAST MESSAGE BUFFER BLOCK
.BDFDG:!BLOCK 1 ;ADDRESS OF FIRST DATAGRAM BUFFER BLOCK
.BDLDG:!BLOCK 1 ;ADDRESS OF LAST DATAGRAM BUFFER BLOCK
.BDBDB:! ;OFFSET TO FIRST BUFFER DESCRIPTOR BLOCK
;LIST BLINKS MUST ALL BE THE SAME OFFSET FROM LIST FLINKS IF
;SCSLUB IS GOING TO WORK. THIS OFFSET IS DEFINED BELOW:
XP .BDF2B,1 ;OFFSET FROM LIST FLINK TO LIST BLINK
;FORMAT OF BUFFER DESCRIPTOR BLOCKS
PHASE 0 ;DEFINE AS OFFSETS
.BBNXT:!BLOCK 1 ;NEXT BLOCK IN LIST
.BBUVA:!BLOCK 1 ;USER VIRTUAL ADDRESS
.BBLEN:! ;LENGTH OF AN ENTRY
C%NBSD==<C%DGSZ-.BDBDB>/<.BBLEN+1> ;NUMBER OF BSDS IN A LONG DATAGRAM BUFFER
DEPHASE
SUBTTL Block formats -- Named buffer list block
;THIS BLOCK IS USED TO KEEP TRACK OF BUFFER NAMES ASSOCIATED WITH
;A CONTEXT.
PHASE 0 ;DEFINE AS OFFSETS
.XNNXT:!BLOCK 1 ;ADDRESS OF NEXT ENTRY
.XNPRV:!BLOCK 1 ;ADDRESS OF PREVIOUS ENTRY
.XNNAM:!BLOCK 1 ;32-BIT BUFFER NAME
.XNLEN:! ;LENGTH OF AN ENTRY
DEPHASE
SUBTTL Block formats -- Map descriptor block
;The following is the format of the descriptor block handed to
;PPDMAP as an argument.
;
;
; !=======================================================!
; .MDNXT ! Address of next buffer in chain or zero if none !
; !-------------------------------------------------------!
; .MDFLG ! Flags !
; !-------------------------------------------------------!
; .MDSSD ! Length of buffer segment 0 !
; !-------------------------------------------------------!
; ! Physical address of the segment 0 !
; !-------------------------------------------------------!
; \ \
; \ \
; \ segment descriptor pairs \
; \ \
; \ \
; !-------------------------------------------------------!
; ! Length of buffer segment #n !
; !-------------------------------------------------------!
; ! Physical address of the segment #n !
; !-------------------------------------------------------!
; ! 0 !
; !=======================================================!
PHASE 0 ;DEFINE AS OFFSETS
.MDNXT:!BLOCK 1 ;LINK TO NEXT DESCRIPTOR BLOCK
.MDFLG:!BLOCK 1 ;FLAGS WORD
MSKSTR (MD%FLG,<>,<17B35>) ;MASK OF DEFINED FLAG VALUES
MSKSTR (MD%DMD,<>,<3B35>) ;MASK FOR MODE VALUE
MD%DIC==0 ;INDUSTRY COMPATIBLE MODE
MD%DCD==1 ;CORE DUMP MODE (UNSUPPORTED)
MD%DHD==2 ;HIGH DENSITY MODE
;THE FOLLOWING TWO DEFINITIONS ARE DEFINED IN MONSYM. ENTERED HERE
;FOR REFERENCE.
SQ%CVD==:1B32 ;DO NOT CLEAR VALID BIT
SQ%WRT==:1B33 ;ALLOW WRITING OF BUFFER
.MDSSD:! ;START OF SEGMENT DESCRIPTORS
DEPHASE
PHASE 0 ;DEFINE AS OFFSETS
.MDLEN:!BLOCK 1 ;LENGTH OF SEGMENT
.MDADR:!BLOCK 1 ;PHYSICAL ADDRESS OF SEGMENT
.MDLSD:! ;LENGTH OF SEGMENT DESCRIPTORS
DEPHASE
SUBTTL COMMON QUEUE HEADER BLOCK FORMAT
;THIS BLOCK DEFINES THE FORMAT OF THE QUEUE ENTRY HEADER THAT IS COMMON
;TO ALL QUEUES (MESSAGE, DATAGRAM, DMA, AND EVENT QUEUES).
PHASE 0 ;DEFINE AS OFFSETS
.MEANC:!BLOCK 1 ;ADDRESS OF NEXT ENTRY FOR THIS CONNECTION
.MEAPC:!BLOCK 1 ;ADDRESS OF PREVIOUS ENTRY FOR THIS CONNECTION
.MEANF:!BLOCK 1 ;ADDRESS OF NEXT ENTRY FOR THIS JCH
.MEAPF:!BLOCK 1 ;ADDRESS OF PREVIOUS ENTRY FOR THIS JCH
.MEJCH:!BLOCK 1 ;JCH,,LENGTH
MSKSTR (MEJCH,.MEJCH,<-1,,0>) ;JCH
MSKSTR (MELEN,.MEJCH,<0,,-1>) ;LENGTH OF PACKET
.METYP:!BLOCK 1 ;FLAGS AND BLOCK TYPE
MSKSTR (MEFLG,.METYP,<-1,,0>) ;FLAGS
MSKSTR (METYP,.METYP,<0,,-1>) ;BLOCK TYPE
.ETMSG==1 ;MESSAGE BUFFER
.ETDG==2 ;DATAGRAM BUFFER
.ETEVT==3 ;EVENT BLOCK
.ETDMA==4 ;DMA COMPLETION
.MECID:!BLOCK 1 ;CONNECT ID
DEPHASE
SUBTTL EVENT CODE BLOCK HEADER FORMAT
PHASE .MECID+1 ;THESE FOLLOW THE COMMON QUEUE HEADER
.EBCOD:!BLOCK 1 ;LENGTH OF BLOCK,,EVENT CODE
MSKSTR (EBLEN,.EBCOD,<-1,,0>) ;LENGTH
MSKSTR (EBCOD,.EBCOD,<0,,-1>) ;EVENT CODE
.EBDAT:! ;START OF CODE DEPENDANT DATA AREA
DEPHASE
SUBTTL DMA QUEUE BLOCK HEADER FORMAT
PHASE .MECID+1 ;THESE FOLLOW THE COMMON QUEUE HEADER
.DMNAM:!BLOCK 1 ;NAME OF BUFFER
.DMLEN:! ;LENGTH OF THIS BLOCK
DEPHASE
SUBTTL MACROS - DISPATCH TABLE GENERATOR
;THIS MACRO DEFINES THE ORDER FOR THE MESSAGE/DATAGRAM DISPATCH TABLE.
;WHEN A MESSAGE IS RECEIVED, ONE SIMPLY INDEXES INTO THIS TABLE TO FIND
;THE ADDRESS OF THE ROUTINE TO HANDLE SAID MESSAGE. CARE MUST BE TAKEN
;HERE TO BE SURE THIS TABLE IS IN THE CORRECT ORDER. THE TABLE IS BUILT
;IN THE ORDER THAT ENTRIES APPEAR HERE. THE OFFSETS ARE GIVEN TO MAKE
;SURE THINGS HAPPEN IN THE RIGHT ORDER.
DEFINE $DISPA,<
...FOO==0 ;;INIT THE ORDER CHECKER VARIABLE
$ENT (.STORQ,SC.ORQ) ;;CONNECT REQUEST
$ENT (.STORS,SC.ORS) ;;CONNECT RESPONSE
$ENT (.STARQ,SC.ARQ) ;;ACCEPT REQUEST
$ENT (.STARS,SC.ARS) ;;ACCEPT RESPONSE
$ENT (.STRRQ,SC.RRQ) ;;REJECT REQUEST
$ENT (.STRRS,SC.RRS) ;;REJECT RESPONSE
$ENT (.STDRQ,SC.DRQ) ;;DISCONNECT REQUEST
$ENT (.STDRS,SC.DRS) ;;DISCONNECT RESPONSE
$ENT (.STCRQ,SC.CRQ) ;;CREDIT REQUEST
$ENT (.STCRS,SC.CRS) ;;CREDIT RESPONSE
$ENT (.STAMG,SC.AMG) ;;APPLICATION MESSAGE
$ENT (.STADG,SC.ADG) ;;APPLICATION DATAGRAM
>; END $DISPA DEFINITION
;THIS MACRO DEFINES ONE ENTRY IN $DISPA
DEFINE $ENT(OFFSET,ADDR),<
IFN ...FOO,<
IFN <OFFSET-...FOO-1>,<IF2 <PRINTX ?Dispatch table out of order! (OFFSET)>>
> ;END IFN ...FOO
...FOO==OFFSET ;;GET THE CURRENT VALUE OF OFFSET
XALL ;;LIST THE RESULT
IFIW ADDR ;ROUTINE TO PROCESS MESSAGE TYPE OFFSET
SALL
> ;END $ENT DEFINITION
SUBTTL FUNCTION CODES RETURNED BY SCA
;THE FOLLOWING PAGES DEFINE THE FUNCTION CODES RETURNED TO MONITOR
;MODULES WHICH HAVE INVOKED SCA.
;
;FORMAT OF RETURNED INFORMATION:
; T1/ FUNCTION CODE
; T2/ FUNCTION CODE DEPENDENT ADDITIONAL DATA
; T3/ FUNCTION CODE DEPENDENT ADDITIONAL DATA
; T4/ FUNCTION CODE DEPENDENT ADDITIONAL DATA
;
;WHERE T2, T3, AND T4 CONTAIN ADDITIONAL DATA DEPENDING ON THE
;FUNCTION CODE.
;FUNCTIONS WHICH RETURN A CONNECT ID *ALWAYS* RETURN THE ID IN
;T2 TO MAKE THINGS MORE CONSISTENT.
;Datagram received. SCA is indicating that the CI has filled one of the buffers
;queued for datagram reception with a datagram.
; T1/ .SSDGR
; T2/ Connect ID
; T3/ Address of datagram buffer
; T4/ <FLAGS>B6 ! <Addr of routine to return buffer>B35
; (See F.RTB and friends for flag definitions)
;
; .MHPKL word of datagram buffer/
; Length of the packet (Bytes for industry compatable, words
; for high density)
.SSDGR==:0
;Message received. SCA is indicateing that you have received a message from the
;CI.
; T1/ .SSMGR
; T2/ Connect ID
; T3/ Address of message buffer
; T4/ <FLAGS>B6 ! <Addr of routine to return buffer>B35
; (See F.RTB and friends for flag definitions)
;
; .MHPKL word of msg buffer/
; Length of the packet (Bytes for industry compatable, words
; for high density)
.SSMGR==:1
;Port broke connection. The port hardware detected a fatal error for the
;port virtual circuit on which you had a connection. Thus it broke your
;connection.
; T1/ .SSPBC
; T2/ Connect ID
; T3/ Unused
; T4/ Unused
.SSPBC==:2
;Connection to listen. The listen for either anyone, or a particular process
;name has had a connection request from a remote node.
; T1/ .SSCTL
; T2/ Connect ID
; T3/ Pointer to connection data from remote system
; (The pointer to the connection data is only guaranteed
; valid for the duration of the callback.)
; T4/ Unused
.SSCTL==:3
;Connection response available. The system to which you sent a connect message
;has responded.
; T1/ .SSCRA
; T2/ Connect ID
; T3/ -1 for accepted, 0 for rejected connection
; T4/ Reject code (If rejected), pointer to connect data if accepted
; (The pointer to the connection data is only guaranteed
; valid for the duration of the callback.)
.SSCRA==:4
;Message/datagram Send complete. The message/datagram which you requested be
;sent, has been. The "buffer address" is the address of the buffer you gave
;SCA to send.
; T1/ .SSMSC
; T2/ Connect ID
; T3/ Address of buffer
; T4/ Unused
;
.SSMSC==:5
;Datagram dropped. A datagram was received and there were no buffers
;queued to place it. The buffer is relinked to the port's datagram
;free queue.
; T1/ .SSDDG
; T2/ Connect ID
; T3/ Unused
; T4/ Unused
;
.SSDDG==:6
;Little credit left. You have just received a message that put you under
;receive credit threshold. It is suggested that you queue at least some buffers
;if you expect to get more messages. Note that you will receive one of these
;calls every time you receieve a message after which you are under threshold.
; T1/ .SSLCL
; T2/ Connect ID
; T3/ Number of credits needed to get you over threshold
; T4/ Unused
;
.SSLCL==7
;Node came online. You requested to be told of nodes coming online.
;It happened and now your being told.
;
; T1/ .SSNCO
; T2/ PBI of system that has come online
; T3/ Unused
; T4/ Unused
;
.SSNCO==10
;OK to send data. The connection has been completed to a remote system and is
;now in the OPEN state. Messages and datagram may be sent...
;
; T1/ .SSOSD
; T2/ Connect ID
; T3/ Unused
; T4/ Unused
;
.SSOSD==11
;Remote initiated disconnect. The host at the other end of your connection
;doesn't want to talk to you anymore and has completed an orderly shutdown of
;your connection.
;
; T1/ .SSRID
; T2/ Connect ID
; T3/ Disconnect reason code
; T4/ Unused
;
.SSRID==12
;Credit is available. Your message send failed for lack of credit. There is
;now more credit available for your send...
;
; T1/ .SSCIA
; T2/ Connect ID
; T3/ Current send credit
; T4/ Current receive credit
;
.SSCIA==13
;DMA operation complete. The DMA operation you requested has been completed.
;Note that you will NOT be told about the completion of passive requests. I.E.
;you will not be notified when a request/send data done by a remote completes.
;
; T1/ .SSDMA
; T2/ Connect ID of connection DMA was cone for
; T3/ 32 bit buffer name of DMA buffer
; T4/ Unused
;
.SSDMA==14
.SSAFT==.SSDMA ;Last defined code
SUBTTL CONNECTION STATES, BLOCK STATES, CONNECTION MANAGEMENT SYMBOLS
;STATES OF A CONNECTION. NAMES IN PARENS ARE FROM CORPORATE SCA SPEC.
.CSCLO==1 ;CLOSED (CLOSED)
.CSLIS==2 ;LISTENING (LISTENING)
.CSCSE==3 ;CONNECT REQUEST WAS SENT (CONNECT_SENT)
.CSCRE==4 ;CONNECT REQUEST WAS RECEIVED (CONNECT_REC)
.CSCAK==5 ;CONNECT RESPONSE WAS RECEIVED (CONNECT_ACK)
.CSACS==6 ;ACCEPT REQUEST WAS SENT (ACCEPT_SENT)
.CSRJS==7 ;REJECT REQUEST WAS SENT (REJECT_SENT)
.CSOPN==10 ;CONNECTION IS OPEN (OPEN)
.CSDSE==11 ;DISCONNECT REQUEST WAS SENT (DISCONNECT_SENT)
.CSDRE==12 ;DISCONNECT REQUEST RECEIVED (DISCONNECT_REC)
.CSDAK==13 ;DISCONNECT RESPONSE RECEIVED (DISCONNECT_ACK)
.CSDMC==14 ;WAITING FOR DISCONNECT RESPONSE (DISCONNECT_MATCH)
MXCNST==14 ;MAXIMUM CONNECT STATE
;CONNECTION BLOCK STATES
.BSFRE==:1 ;FREE
.BSALL==:2 ;ALLOCATE
.BSCNP==:3 ;CONNECT PENDING
.BSACP==:4 ;ACCEPT PENDING
.BSRPN==:5 ;REJECT PENDING
.BSCRP==:6 ;CREDIT PENDING
.BSDPN==:7 ;DISCONNECT PENDING
;CONNECTION MANAGEMENT SYMBOLS
.CMCMT==^D1 ;A MATCH FOUND FOR THE CONNECT_REQUEST
.CMCNM==^D10 ;NO MATCH WAS FOUND FOR THE CONNECT_REQUEST
.CMNRE==^D18 ;NO RESOURCES TO PROCESS THE CONNECT_REQUEST
.CMNDS==^D26 ;CONNECTION HAS BEEN BROKEN
.CMNRV==^D34 ;RESERVED
SUBTTL SCA ERROR CODES PASSED TO CALLERS OF SCASER
.SCFAF==3 ;ALLOCATION FAILURE
.SCFBC==4 ;SUBROUTINE CALLED WITH INVALID ARGUMENTS
.SCFIC==5 ;INVALID CONNECT ID
.SCFNE==6 ;NO ENTRY FOR SPECIFIED SBI
.SCFNS==7 ;NO SLOTS AVAILABLE IN CID TABLE
.SCIID==10 ;INVALID CONNECT ID
.SCIPI==11 ;INVALID PBI
.SCISI==12 ;INVALID SBI
.SCNEB==13 ;NOT ENOUGH BUFFERS
.SCNEC==14 ;NOT ENOUGH CREDITS
.SCNRT==15 ;NOTICE TABLE FULL
.SCPTL==16 ;PACKET TOO LONG
.SCSWS==17 ;CONNECTION IN WRONG STATE
SUBTTL SCA MESSAGE TYPES AND LENGTHS
.STORQ==0 ;CONNECT REQUEST
.LNORQ==^D64
.STORS==1 ;CONNECT RESPONSE
.LNORS==^D16
.STARQ==2 ;ACCEPT REQUEST
.LNARQ==^D64
.STARS==3 ;ACCEPT RESPONSE
.LNARS==^D16
.STRRQ==4 ;REJECT REQUEST
.LNRRQ==^D16
.STRRS==5 ;REJECT RESPONSE
.LNRRS==^D12
.STDRQ==6 ;DISCONNECT REQUEST
.LNDRQ==^D16
.STDRS==7 ;DISCONNECT RESPONSE
.LNDRS==^D12
.STCRQ==10 ;CREDIT REQUEST
.LNCRQ==^D12
.STCRS==11 ;CREDIT RESPONSE
.LNCRS==^D12
.STAMG==12 ;APPLICATION MESSAGE
.STADG==13 ;APPLICATION DATAGRAM
.STLST==.STADG+1 ;HIGHEST TYPE +1
SUBTTL PPD PACKET MESSAGE FORMATS
PHASE 0 ;DEFINE AS OFFSETS
.PKFLI:!BLOCK 1 ;FORWARD LINK (FLINK)
.PKBLI:!BLOCK 1 ;BACKWARD LINK (BLINK)
.PKVRT:!BLOCK 1 ;VIRTUAL ADDRESS OF THE PACKET (RESERVED TO SOFTWARE)
PK.SRB==77B5 ;THE SOFTWARE RESPONSE BITS
PK.DRV==1B0 ;RETURN PACKET TO KLIPA DRIVER
PK.SCA==1B1 ;SCA SFOTWARE RESPONSE BIT
DEFSTR (PKVRT,.PKVRT,35,30) ;PACKET VIRTUAL ADDRESS
.PKSTS:!BLOCK 1 ;STATUS/OPCODE/FLAGS/NODE NUMBER
;FIELDS IN .PKSTS
PKPSTS==^D7 ;POSITION OF STATUS FIELD
PKSSTS==^D8 ;SIZE OF STATUS FIELD
PKPFLG==^D15 ;POSITION OF FLAGS FIELD
PKSFLG==^D8 ;SIZE OF FLAGS FIELD
PKPOP==^D23 ;POSITION OF OPCODE FIELD
PKSOP==^D8 ;SIZE OF OPCODE FIELD
PKPNOD==^D31 ;POSITION OF NODE FIELD
PKSNOD==^D8 ;SIZE OF NODE FIELD
;BITS AND STUFF IN STATUS FIELD
PS.ERR==1B0 ;COMPOSITE ERROR BIT
PS.PAE==1B1 ;PATH A ERROR
PS.PBE==1B2 ;PATH B ERROR
;VALUES IN STATUS FIELD (MINUS ERROR BIT)
PS.IBN==2 ;INVALID BUFFER NAME
PS.NRA==104 ;NO RESPONSE ON PATH A
PS.NRB==44 ;NO RESPONSE ON PATH B
PS.NRE==144 ;NO RESPONSE ON EITHER PATH
;STATUS BITS WHEN PS.ERR IS OFF
PS.CLO==1B1 ;CLOSED THE PATH
PS.AKA==1B2 ;PACKET WAS ACKED ON PATH A
PS.NKA==1B3 ;PACKET WAS NAKED AT LEAST ONCE ON PATH A
PS.NOA==1B4 ;PACKET GOT NO RESPONSE AT LEAST ONCE ON PATH A
PS.AKB==1B5 ;PACKET WAS ACKED ON PATH B
PS.NKB==1B6 ;PACKET WAS NAKED AT LEAST ONCE ON PATH B
PS.NOB==1B7 ;PACKET GOT NO RESPONSE AT LEAST ONCE ON PATH B
;FLAGS IN FLAGS FIELD
PF.SIZ==1B8 ;(BLOCK DATA SERVICE) 0 IF 512 BYTES, 1 IF 576 BYTES
PF.FMT==1B8 ;(DATAGRAM/MESSAGE) 0 IF IND. COMPAT., 1 IF HIGH DENSITY
PF.FRC==1B8 ;(RESET REMOTE) FORCE RESET
PF.DSA==1B8 ;(START REMOTE) USE DEFAULT STARTING ADDRESS
PF.CPE==1B12 ;CNTRD GENERATED BY PORT (CRAM PARITY ERROR)
PF.PTH==3B14 ;PATH SELECT, 0=AUTO, 1=PATH 0, 2=PATH 1
PF.PT0==1B14 ;USE PATH A
PF.PT1==2B14 ;USE PATH B
PF.RSP==1B15 ;RESPONSE REQUESTED
.PKHDR:! ;LENGTH OF GENERAL PACKET HEADER
;DATAGRAM/MESSAGE SPECIFIC
PHASE .PKHDR ;FOLLOW GENERAL HEADER
.PKLEN:!BLOCK 1 ;LENGTH OF DATAGRAM/MESSAGE
PKPPPD==^D15 ;POSITION OF PPD BYTE FIELD
PKSPPD==^D16 ;SIZE OF PPD BYTE FIELD
PKPLEN==^D35 ;POSITION OF LENGTH FIELD
PKSLEN==^D20 ;SIZE OF LENGTH FIELD
;PPD FIELD TYPES
PP.STA==0 ;START
PP.STK==1 ;STACK
PP.ACK==2 ;ACK
PP.DG==3 ;DATAGRAM
PP.MSG==4 ;MESSAGE
PP.ERP==5 ;ERROR PACKET
PP.SHT==6 ;SHUTDOWN
PP.MAX==6 ;MAXIMUM PPD BYTE
;BLOCK DATA SERVICE
PHASE .PKHDR ;FOLLOW GENERAL HEADER
.PKXID:!BLOCK 2 ;TRANSACTION ID (2 WORDS)
.PKXLN:!BLOCK 1 ;TRANSACTION LENGTH
.PKSNM:!BLOCK 1 ;SENDER'S BUFFER NAME
.PKSOF:!BLOCK 1 ;SENDER'S BUFFER OFFSET
.PKRNM:!BLOCK 1 ;RECEIVER'S BUFFER NAME
.PKROF:!BLOCK 1 ;RECEIVER'S BUFFER OFFSET
;READ REGISTER
PHASE .PKHDR ;FOLLOW GENERAL HEADER
.PKREG:!BLOCK 1 ;REGISTER TO READ
PKPREG==^D23 ;POSITION OF REGISTER TO READ FIELD
PKSREG==^D8 ;SIZE OF REGISTER TO READ FIELD
PKPDTA==^D7 ;POSITION OF RETURNED DATA FIELD
PKSDTA==^D8 ;SIZE OF RETURNED DATA FIELD
;REGISTER TYPES
.RGNOD==14 ;OUR NODE NUMBER
;ID RECEIVED
PHASE .PKHDR ;FOLLOW GENERAL HEADER
.PKXID:!BLOCK 2 ;TRANSACTION ID (2 WORDS)
.PKMID:!BLOCK 1 ;MAINTENANCE ID
PKPID==^D31 ;POSITION OF PORT ID FIELD
PKSID==^D16 ;SIZE OF PORT ID FIELD
;ID FIELD TYPES
ID.HSC==4 ;HSC-50
ID.KL==6 ;KL-10
.PKCOD:!BLOCK 1 ;CODE REVISION LEVEL
.PKFUN:!BLOCK 1 ;PORT FUNCTIONALITY
PK.SMD==1B17 ;PORT SUPPORTS RECEIPT OF A SNTMDAT
PK.RMD==1B19 ;PORT SUPPORTS RECEIPT OF A MDATREQ
.PKPST:!BLOCK 1 ;PORT STATE
PKPPST==^D22 ;POSITION OF PORT STATE FIELD
PKSPST==^D2 ;SIZE OF PORT STATE FIELD
PKPRST==^D23 ;POSITION OF COMPOSITE MAINTENANCE AND PORT STATE FIELDS
PKSRST==^D3 ;SIZE OF COMPOSITIE MAINTENANCE AND PORT STATE FIELDS
PKPRND==^D31 ;POSITION OF RESETTING NODE FIELD
PKSRND==^D8 ;SIZE OF RESETTING NODE FIELD
;PORT STATE FIELD TYPES
PS.ENB==2 ;PORT IS ENABLED
;COMPOSITE MAINTENANCE AND PORT STATE FIELDS
PS.UMS==1 ;PORT IS DISABLED AND IN MAINTENANCE MODE
;START REMOTE SYSTEM
PHASE .PKHDR ;FOLLOW GENERAL HEADER
.PKXID:!BLOCK 2 ;TRANSACTION ID
.PKSAD:!BLOCK 1 ;START ADDRESS IF NOT USING DEFAULT
;START/STACK BLOCK
PHASE .PKHDR ;FOLLOW GENERAL HEADER
.PKLEN:!BLOCK 1 ;LENGTH
.SRSSY:!BLOCK 1 ;SENDING SYSTEM
.SRRSV:!BLOCK 1 ;RESERVED
DEFSTR (SRMBZ,.SRRSV,7,8) ;MUST BE ZERO
DEFSTR (SRVRS,.SRRSV,15,8) ;PROTOCOL VERSION
.SRMMS:!BLOCK 1 ;MAXIMUM MESSAGE,,DATAGRAM SIZE
.SRSWT:!BLOCK 1 ;SOFTWARE TYPE
.SRSWV:!BLOCK 1 ;SOFTWARE VERSION
.SRSWI:!BLOCK 2 ;SOFTWARE INCARNATION
.SRHWT:!BLOCK 1 ;HARDWARE TYPE
.SRHWV:!BLOCK 3 ;HARDWARE VERSION
.SRNNM:!BLOCK 2 ;NODE NAME IN ASCII
.SRTOD:!BLOCK 2 ;TIME OF DAY IN VAX FORMAT
.SRLEN:! ;LENGTH OF START PACKET
SR.LEN==<.SRLEN-.SRSSY>*4 ;LENGTH (BYTES) OF START/STACK
SR.ALN==4 ;LENGTH (BYTES) OF ACK
;SETCKT
PHASE .PKHDR ;FOLLOW GENERAL HEADER
.PKXID:!BLOCK 2 ;TRANSACTION ID (2 WORDS)
.PKCKT:!BLOCK 1 ;CIRCUIT PARAMETERS
;FLAGS IN CIRCUIT PARAMETERS
CK.LST==1B0 ;LOAD CST, NR, NS
CK.CST==1B1 ;CIRCUIT STATE, 0=VC CLOSED, 1=VC OPENED
CK.LPT==1B4 ;LOAD PATH STATUS
CK.PBA==1B5 ;PATH B ALLOWED
CK.PAA==1B6 ;PATH A ALLOWED
;CLOSE BUFFER COMMAND
PHASE .PKHDR ;FOLLOW GENERAL HEADER
.PKBNM:!BLOCK 1 ;BUFFER NAME
DEPHASE
;SET PERFORMANCE COUNTERS
PHASE .PKHDR ;FOLLOW GENERAL HEADER
.PKXID:!BLOCK 2 ;TRANSACTION ID (2 WORDS)
.PKMSK:!BLOCK 1 ;MASK FOR ENABLES/CLEARS, TARGET NODE
.PKPND:!BLOCK 1 ;TARGET NODE
PKPCND==^D31 ;POSITION OF TARGET NODE FIELD
PKSCND==^D8 ;SIZE OF TARGET NODE FIELD
;READ PERFORMANCE COUNTERS
PHASE .PKHDR ;FOLLOW GENERAL HEADER
.PKXID:!BLOCK 2 ;TRANSACTION ID (2 WORDS)
.PKPDA:! ;START OF DATA RETURNED IN PACKET
.PKUCD:!BLOCK 1 ;MICROCODE VERSION
.PKPAA:!BLOCK 1 ;PATH A ACKS
.PKPAN:!BLOCK 1 ;PATH A NACKS
.PKANR:!BLOCK 1 ;PATH A NO-RESPONSES
.PKPBA:!BLOCK 1 ;PATH B ACKS
.PKPBN:!BLOCK 1 ;PATH B NACKS
.PKBNR:!BLOCK 1 ;PATH B NO-RESPONSES
.PKDGD:!BLOCK 1 ;DATAGRAMS DISCARDED
.PKPXM:!BLOCK 1 ;PACKETS TRANSMITTED
.PKPRC:!BLOCK 1 ;PACKETS RECEIVED
.PKDPT:!BLOCK 1 ;DESTINATION PORT
.PKCRC:!BLOCK 1 ;PACKETS RECEIVED WITH CRC ERRORS
.PKEW1:!BLOCK 1 ;ERROR WORD 1
.PKEW2:!BLOCK 1 ;ERROR WORD 2
.PKEW3:!BLOCK 1 ;ERROR WORD 3
.PKEW4:!BLOCK 1 ;ERROR WORD 4
.PKEW5:!BLOCK 1 ;ERROR WORD 5
.PKEW6:!BLOCK 1 ;ERROR WORD 6
IFN NOSTCT-<.PKEW6-<.PKPDA-1>>,<PRINTX ?Performance counters defined incorrectly>
SUBTTL MESSAGE FORMATS - MESSAGE HEADER
;NOTE: THE APPLICATION MESSAGE AND APPLICATION DATAGRAM DO NOT INCLUDE
;THE LAST WORD LISTED HERE (.MHSTS). HENCE WHEN DEALING WITH A MESSAGE
;OR DATAGRAM THIS WORD IS NOT A PART OF THE HEADER BUT IS INSTEAD THE
;FIRST WORD OF THE MESSAGE/DATAGRAM TEXT.
PHASE .PKLEN+1 ;FOLLOW LENGTH BYTE
.MHTYP:!BLOCK 1 ;MESSAGE TYPE AND CREDIT
MSKSTR (MH$CDT,.MHTYP,<-1,,0>) ;CREDIT FIELD
MSKSTR (MH$MSG,.MHTYP,<0,,-1>) ;MESSAGE TYPE FIELD
.MHDCI:!BLOCK 1 ;DESTINATION CONNECT ID
.MHSCI:!BLOCK 1 ;SOURCE CONNECT ID
.MHSTS:!BLOCK 1 ;STATUS AND MINIMUM RECEIVE CREDIT
MSKSTR (MH$STS,.MHSTS,<-1,,0>) ;STATUS INFO
MSKSTR (MH$MCR,.MHSTS,<0,,-1>) ;MINIMUM RECEIVE CREDIT
.MHLEN:! ;LENGTH OF THE MESSAGE HEADER
DEPHASE
.MHPKL==.MHSCI ;WORD WHERE PACKET LENGTH IS RETURNED TO SYSAP
.MHUDA==.MHSCI+1 ;START OF USER DATA IN APPLICATION MSG AND DG
.MHLNW==<.MHSCI-.PKLEN> ;LENGTH OF APPLICATION PACKET HEADER IN WORDS
.MHLNB==<.MHSCI-.MHTYP+1>*4 ;LENGTH OF APPLICATION PACKET HEADER IN BYTES
;Size of largest message we can handle (in bytes) is:
; <MSG BUFFER - PORT OVERHEAD> * 4 + SIZE OF PPD BYTE
C%MXMP==<<C%MGSZ-<.PKLEN+1>>*4>+2 ;MAXIMUM MESSAGE SIZE
;Size of largest datagram we can handle (in bytes) is:
; <DG BUFFER - PORT OVERHEAD> * 4 + SIZE OF PPD BYTE
C%MXDP==<<C%DGSZ-<.PKLEN+1>>*4>+2 ;MAXIMUM DATAGRAM SIZE
SUBTTL MESSAGE FORMATS - CONNECT AND ACCEPT REQUESTS
PHASE .MHSTS+1 ;FOLLOW STATUS WORD
.MGDPN:!BLOCK <C%PNMN/4> ;DESTINATION PROCESS NAME
.MGSPN:!BLOCK <C%PNMN/4> ;SOURCE PROCESS NAME
.MGSDT:! ;FIRST DATA WORD IN MESSAGE
DEPHASE
.MSCRQ==.MGSDT+<C%SDTL/4> ;SIZE OF THE CONNECT REQUEST DATAGRAM
DEPHASE
SUBTTL SCS-PPD INTERFACE FLAGS
F.RTB==1B0 ;1 = RETURN MESSAGE SEND BUFFER TO SCA
;0 = RETURN MESSAGE SEND BUFFER TO FREE QUEUE
F.SPM==1B1 ;1 = SEND MESSAGE/DATAGRAM IN HIGH DENSITY MODE
;0 = SEND MESSAGE/DATAGRAM IN INDUSTRY COMPATIBLE MODE
F.RSP==1B2 ;1 = PACKET WAS GENERATED LOCALLY
;0 = PACKET CAME FROM CI (REMOTELY GENERATED)
C%FLGM==77B5 ;MASK FOR FLAGS (OTHER 30 BITS FOR PC)
SUBTTL MESSAGE PRIORITIES
;THE FOLLOWING PRIORITIES ARE DEFINED FOR SENDING MESSAGES
KLPHI==0 ;HIGH
KLPMED==1 ;MEDIUM
KLPLOW==2 ;LOW
KLPDRG==3 ;DREGS
MSCPRI==KLPMED ;PRIORITY USED IN MSCP DRIVERS AND SERVERS
SCSPRI==KLPLOW ;PRIORITY USED IN SCS. UUO
SUBTTL CONNECT ID FORMAT
;THE CONNECT ID CONTAINS THREE FIELDS. THE FIRST HAS BITS SETTABLE
;BY THE SYSAP. THIS COMES IN HANDY FOR CONNECTION MANAGEMENT. THE
;SECOND HAS UNIQUENESS BITS SO REUSED SLOTS IN THE CID TABLE AREN'T
;CONFUSED WITH OLD MESSAGES. THE LAST HAS THE CID TABLE INDEX.
MSKSTR (SID,<>,<770000,,0>) ;BITS SETTABLE BY THE SYSAP
MSKSTR (UBITS,<>,<7777,,760000>) ;MASK FOR THE UNIQUENESS BITS
MSKSTR (INDEX,<>,<0,,17760>) ;INDEX INTO CONNECT ID TABLE
C%RMBU==^D13 ;RIGHT SHIFT TO JUSTIFY THE UNIQUENESS BITS
;MACRO TO LOAD THE CONNECTION BLOCK ADDRESS INTO AC GIVEN THE CID.
DEFINE $LDCID(AC,ADDR),<
IF2,<IFNDEF CIDTAB,<EXTERN CIDTAB>> ;;MAKE IT GLOBAL IF NOT DEFINED
LOAD AC,INDEX,ADDR ;;GET THE INDEX FROM THE CID SOURCE
ADD AC,CIDTAB ;;ADD THE BASE ADDRESS OF THE CB ADDRESS TABLE
MOVE AC,0(AC) ;;GET THE ADDRESS OF CONNECTION BLOCK
>; END DEFINE $LDCID
SUBTTL MACROS -- GENERATE WORD ALIGNED 8-BIT ASCII
;THIS MACRO WILL GENERATE WORD ALIGNED 8-BIT ASCII. SIMPLY FEED
;IT THE STRING AND OUT COMES 8 BIT ASCII, FOUR BYTES PER WORD.
DEFINE ASCI8(STRNG),<
..CNT.==3 ;INIT THE COUNTER
..STR.==0 ;INIT THE STRING
IRPC STRNG,<
..CHR.=="STRNG" ;GET THE CURRENT CHARACTER
..CHR.==..CHR._<^D8*..CNT.+4> ;SHIFT IT INTO THE RIGHT PLACE
..STR.==..STR.!..CHR. ;ADD IT TO THE CURRENT
..CNT.==..CNT.-1 ;DECREMENT THE FOUR WORD BLOCK COUNTER
IFL ..CNT.,<
EXP ..STR. ;GENERATE A WORD OF WHAT IS LEFT
..CNT.==3 ;INIT THE FOUR CHAR CHUNK COUNTER
..STR.==0 ;INIT THE STRING
>; END IFL ..CNT.
>; END IPRC STRNG
IFN ..STR., EXP ..STR. ;IF THERE ARE CHARACTERS LEFT OVER, OUTPUT THEM
>; END ASCI8 DEFINITION
SUBTTL RANDOM MACROS
;MACROS TO DISABLE/ENABLE SCA BUFFER MANAGEMENT
DEFINE CIOFF,<
IF2,<IFNDEF SC.POF,<EXTERN SC.POF>>
PUSHJ P,SC.POF ;;TURN PI'S OFF
>; END DEFINE CIOFF
DEFINE CION,<
IF2,<IFNDEF SC.PON,<EXTERN SC.PON>>
PUSHJ P,SC.PON ;;TURN PI'S ON
>; END DEFINE CION
;MACRO TO RETURN AN ERROR CODE
IFN FTOPS10,< ;TOPS-20 HAS THIS IN PROLOG
DEFINE RETBAD(ERN,EXTRA)<
IFNB <ERN'EXTRA>,<
JRST [EXTRA
IFNB <ERN>,<MOVEI T1,ERN>
POPJ P,]
>
IFB <ERN'EXTRA>,<
POPJ P,
>
>; END DEFINE RETBAD
>; END IFN FTOPS10
SUBTTL SCS. -- SYSTEM COMMUNICATIONS SERVICE INTERFACE
; SYSTEM COMMUNICATION SERVICES UUO
; CALL: MOVEI AC,ADR
; SCS. AC,
; <NON-SKIP>
; <SKIP>
; ARGUMENT BLOCK
.SQFNC==0 ;FUNCTION CODE WORD
SS.CPU==7B8 ;CPU NUMBER (ONLY USED IN CERTAIN FUNCTIONS)
SS.LEN==777B17 ;LENGTH OF BLOCK (INCLUDING THIS WORD)
SS.FNC==777777B35 ;FUNCTION CODE
.SSCON==0 ;REQUEST A CONNECTION
.SSLIS==1 ;LISTEN FOR A CONNECTION
.SSREJ==2 ;REJECT A CONNECTION REQUEST
.SSDIS==3 ;DISCONNECT AND CLOSE A CONNECTION
.SSSDG==4 ;SEND A DATAGRAM
.SSQRD==5 ;QUEUE BUFFER(S) TO RECEIVE DATAGRAM
.SSSMG==6 ;SEND A MESSAGE
.SSQRM==7 ;QUEUE BUFFER(S) TO RECEIVE MESSAGE
.SSCSP==10 ;RETURN INFORMATION ABOUT STATUS OF
; A CONNECTION
.SSRCD==11 ;RETURN CONFIGURATION DATA FOR A
; REMOTE SYSTEM
.SSSTS==12 ;RETURN INFORMATION ABOUT STATUS OF
; A CONNECTION (.SSCSP IN BRIEF)
.SSRMG==13 ;RECEIVE A MESSAGE
.SSMAP==14 ;MAP A BUFFER FOR DMA TRANSFER
.SSUMP==15 ;UNMAP A BUFFER FOR DMA TRANSFER
.SSSND==16 ;SEND DATA TO REMOTE HOST
.SSREQ==17 ;REQUEST DELIVERY OF DATA
; .SSAIC==20 ;ADD INTERRUPT CHANNEL
.SSRDG==22 ;RECEIVE A DATAGRAM
.SSACC==23 ;ACCEPT A CONNECTION REQUEST
.SSGDE==24 ;RETURN ENTRY FROM DATA REQUEST
; COMPLETE QUEUE
.SSEVT==25 ;RETURN ENTRY FROM EVENT QUEUE
.SSCRD==26 ;CANCEL DATAGRAM RECEIVE
.SSCRM==27 ;CANCEL MESSAGE RECEIVE
.SSGLN==30 ;GET LOCAL NODE NUMBER
.SSRBS==35 ;RETURN MINIMUM BUFFER SIZES
.SSRPS==36 ;RETURN PATH STATUS
;ARGUMENTS FOR FUNCTION .SSCON
.SQSPN==1 ;BYTE POINTER TO SOURCE PROCESS NAME
.SQDPN==2 ;BYTE POINTER TO DESTINATION PROCESS NAME
.SQSYS==3 ;NODE NUMBER,,CONNECT ID BITS
.SQCDT==4 ;ADDRESS OF INITIAL CONNECTION DATA
.SQAMC==5 ;ADDRESS OF MESSAGE BUFFER CHAIN
.SQADC==6 ;ADDRESS OF DATAGRAM BUFFER CHAIN
.SQRCI==7 ;RETURNED CONNECT ID
;ARGUMENTS FOR FUNCTION .SSLIS
.SQSPN==1 ;BYTE POINTER TO SOURCE PROCESS NAME
.SQDPN==2 ;BYTE POINTER TO DESTINATION PROCESS NAME
.SQSYS==3 ;NODE NUMBER,,CONNECT ID BITS
.SQLCI==4 ;RETURNED CONNECT ID
;ARGUMENTS FOR FUNCTION .SSREJ
.SQCID==1 ;CONNECT ID
.SQREJ==2 ;REJECTION REASON CODE
;ARGUMENTS FOR FUNCTION .SSDIS
.SQCID==1 ;CONNECT ID
.SQDIS==2 ;DISCONNECT REASON CODE
;ARGUMENTS FOR FUNCTIONS .SSSDG/.SSSMG
.SQCID==1 ;CONNECT ID
.SQAPT==2 ;ADDRESS OF DATAGRAM/MESSAGE TEXT
.SQLPT==3 ;LENGTH OF DATAGRAM/MESSAGE TEXT
.SQFLG==4 ;FLAGS AND OPTIONAL PATH SPEC
SC%FLG==7777777777B29 ;RESERVED FOR FLAGS
SC%MOD==1B1 ;MODE FLAG (HIGH DENSITY IF SET, INDUS. COMPAT. IF NOT)
SC%OPS==77B35 ;OPTIONAL PATH SPEC MASK
.SSAPS==0 ;AUTO PATH SELECT
.SSPTA==1 ;USE PATH A
.SSPTB==2 ;USE PATH B
;ARGUMENTS FOR FUNCTION .SSQRD/.SSQRM
.SQCID==1 ;CONNECT ID
.SQAFB==2 ;ADDRESS OF FIRST BUFFER IN CHAIN - FIRST WORD OF EACH
; BUFFER IS POINTER TO NEXT OR ZERO
;ARGUMENTS FOR FUNCTION .SSCSP
.SQCID==1 ;CONNECT ID
.SQCST==2 ;CONNECTION STATE
.SQDCI==3 ;DESTINATION CONNECT ID
.SQBDN==4 ;BYTE POINTER TO DESTINATION PROCESS NAME
.SQNOD==5 ;NODE NUMBER
.SQREA==6 ;SOURCE,,DESTINATION DISCONNECT CODES
;ARGUMENTS FOR FUNCTION .SSRCD
.SQCID==1 ;CONNECT ID (OR ZERO TO USE NODE NUMBER)
.SQOND==2 ;NODE NUMBER (USED IF .SQCID IS ZERO)
.SQVCS==3 ;VIRTUAL CIRCUIT STATE,,DESTINATION NODE NUMBER
.SQSAD==4 ;SYSTEM ADDRESS (2 WORDS)
.SQMDD==6 ;MAXIMUM DATAGRAM SIZE AT DESTINATION
.SQMDM==7 ;MAXIMUM MESSAGE SIZE AT DESTINATION
.SQDST==10 ;SOFTWARE TYPE CODE AT DESTINATION
.SQDSV==11 ;SOFTWARE VERSION AT DESTINATION
.SQDSE==12 ;SOFTWARE EDIT LEVEL AT DESTINATION (2 WORDS)
.SQDHT==14 ;HARDWARE TYPE CODE AT DESTINATION
.SQDHV==15 ;HARDWARE VERSION AT DESTINATION (3 WORDS)
.SQNNM==20 ;DESTINATION NODE NAME (2 WORDS)
.SQPCW==22 ;PORT CHARACTERISTICS
.SQLPN==23 ;LOCAL CHANNEL NUMBER
;ARGUMENTS FOR FUNCTION .SSSTS
.SQCID==1 ;CONNECT ID
.SQFST==2 ;STATUS FLAGS,,CONNECTION STATE
SC%MSA==1B0 ;MESSAGE AVAILABLE
SC%DGA==1B1 ;DATAGRAM AVAILABLE
SC%DTA==1B2 ;DMA TRANSFER COMPLETE
SC%EVA==1B3 ;EVENT PENDING
.SQSBR==3 ;DESTINATION NODE NUMBER
;ARGUMENTS FOR FUNCTIONS .SSRMG/.SSRDG
.SQCID==1 ;CONNECT ID
.SQARB==2 ;ADDRESS OF RETURNED BUFFER
.SQDFL==3 ;FLAGS AND NODE NUMBER OF REMOTE SYSTEM
; (SEE .SSSDG FOR DEFINITION OF FLAG BITS)
.SQLRP==4 ;LENGTH OF RETURNED MESSAGE/DATAGRAM
; (WORDS IF HIGH DENSITY, BYTES IF INDUSTRY COMPATIBLE)
;ARGUMENTS FOR FUNCTION .SSMAP
.SQXFL==1 ;FLAGS
SQ%DMD==3B35 ;MASK FOR MODE FIELD
SQ%DIC==0 ;INDUSTRY COMPATIBLE
SQ%DCD==1 ;CORE DUMP MODE
SQ%DHD==2 ;HIGH DENSITY MODE
SQ%CVD==1B32 ;DO NOT CLEAR THE VALID BIT IF SET
SQ%WRT==1B33 ;IF SET, HOST MEMORY IS WRITABLE
.SQBNA==2 ;RETURNED BUFFER NAME
;BUFFER LENGTH AND ADDRESS PARTS:
.SQBLN==0 ;LENGTH OF BUFFER SEGMENT
.SQBAD==1 ;ADDRESS OF BUFFER SEGMENT
;ARGUMENTS FOR FUNCTION .SSUMP
.SQNAM==1 ;BUFFER NAME
;ARGUMENTS FOR FUNCTIONS .SSSND/.SSREQ
.SQCID==1 ;CONNECT ID
.SQSNM==2 ;SEND BUFFER NAME
.SQRNM==3 ;RECEIVE BUFFER NAME
.SQOFS==4 ;TRANSMIT,,RECEIVE BUFFER OFFSETS
;ARGUMENTS FOR FUNCTION .SSACC
.SQCID==1 ;CONNECT ID
.SQCDA==2 ;POINTER TO CONNECTION DATA
;ARGUMENTS FOR FUNCTION .SSGDE
.SQCID==1 ;CONNECT ID
.SQBID==2 ;BUFFER ID OFFSET
;ARGUMENTS FOR FUNCTION .SSEVT
.SQCID==1 ;CONNECT ID
.SQESB==2 ;NODE NUMBER OF REMOTE SYSTEM
.SQEVT==3 ;EVENT CODE
.SEVCC==1 ;VC BROKEN
; .SQDTA CONTAINS THE NODE NUMBER
.SECTL==2 ;CONNECT TO LISTEN
; .SQDTA CONTAINS FIRST FOUR WORDS OF CONNECTION
; DATA FROM REMOTE NODE
.SECRA==3 ;CONNECTION WAS ACCEPTED
; .SQDTA CONTAINS THE REMOTE'S CONNECTION DATA
.SECRR==4 ;CONNECTION WAS REJECTED
;.SQDTA CONTAINS THE REASON CODE
.SEMSC==5 ;MESSAGE/DATAGRAM SEND COMPLETE
; .SQDTA CONTAINS ADDRESS OF BUFFER
.SELCL==6 ;LITTLE CREDIT LEFT
; .SQDTA CONTAINS NUMBER OF CREDITS TO GET YOU
; BACK OVER THRESHOLD
.SENWO==7 ;NODE WENT OFFLINE
; .SQDTA CONTAINS NODE NUMBER OF SYSTEM WHICH
; WENT OFFLINE
.SENCO==10 ;NODE CAME ONLINE
; .SQDTA CONTAINS NODE NUMBER OF SYSTEM WHICH
; CAME ONLINE
.SEOSD==11 ;OK TO SEND DATA
.SERID==12 ;REMOTE INITIATED DISCONNECT
.SEPBC==13 ;PORT BROKE CONNECTION
.SECIA==14 ;CREDIT IS AVAILABLE
.SEMDC==15 ;MAINTENANCE DATA TRANSFER COMPLETE
; .SQDTA CONTAINS BUFFER NAME
.SQDTA==4 ;OFFSET TO EVENT DATA (ZERO TO FOUR WORDS)
;ARGUMENTS FOR FUNCTIONS .SSCRD/.SSCRM
.SQCID==1 ;CONNECT ID
.SQADB==2 ;ADDRESS OF BUFFER TO DEQUEUE
;ARGUMENTS FOR FUNCTION .SSGLN
.SQLNN==1 ;(RETURNED) LOCAL NODE NUMBER
;ARGUMENTS FOR FUNCTION .SSRBS
.SQLMG==1 ;LENGTH OF MESSAGE BUFFER
.SQLDG==2 ;LENGTH OF DATAGRAM BUFFER
;ARGUMENTS FOR FUNCTION .SSRPS
.SQRPN==1 ;NODE NUMBER
.SQRPS==2 ;PATH STATUS (A,,B)
;SCS. UUO ERROR CODES
SSNPV%==0 ;NOT PRIVILEGED
SSIFC%==1 ;ILLEGAL FUNCTION CODE
SSARG%==2 ;BAD ARGUMENT LIST LENGTH
SSACR%==3 ;ADDRESS CHECK READING ARGUMENTS
SSACS%==4 ;ADDRESS CHECK STORING DATA
SSCPN%==5 ;CPU NUMBER OUT OF RANGE
SSNPC%==6 ;NO CI PORT ON SPECIFIED CPU
SSNNK%==7 ;CPU'S CI NODE NUMBER NOT KNOWN
SSINN%==10 ;INVALID CI NODE NUMBER
SSNFC%==11 ;NO FREE CORE
SSVNO%==12 ;VIRTUAL CIRCUIT NOT OPEN
SSICI%==13 ;INVALID CONNECT ID
SSRQE%==14 ;RECEIVE QUEUE EMPTY
SSNBQ%==15 ;NO BUFFER QUEUED FOR PACKET RECEPTION
SSRCF%==16 ;REJECT CONNECTION FAILED
SSDCF%==17 ;DISCONNECT CONNECTION FAILED
SSNFB%==20 ;NO FREE BUFFERS TO SEND PACKET
SSQBF%==21 ;QUEUE BUFFERS FAILED
SSCBF%==22 ;CANCEL BUFFERS FAILED
SSPSF%==23 ;PACKET SEND FAILED
SSDQE%==24 ;DATA ENTRY QUEUE EMPTY
SSEQE%==25 ;EVENT QUEUE EMPTY
SSCRB%==26 ;CAN'T REMOVE BUFFER FROM DATABASE
SSCUB%==27 ;CAN'T UNMAP BUFFER
SSNSB%==30 ;NO SUCH BUFFER NAME
SSTMS%==31 ;TOO MANY BUFFER SEGMENT DESCRIPTORS
SSIDM%==32 ;ILLEGAL DATA MODE
SSSCP%==33 ;SEGMENT CROSSES PAGE BOUNDARY
SSSTL%==34 ;SEGMENT TOO LONG (GREATER THAN 1 PAGE)
SUBTTL THE END
END