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monitor-sources/cfsusr.mac
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; UPD ID= 8605, RIP:<7.MONITOR>CFSUSR.MAC.5, 11-Feb-88 17:11:11 by RASPUZZI
;TCO 7.1220 - Modify CFS global job assignments. Make JBGET1 get more global
; jobs if we are out of them and make CFGTJB have another (local)
; entry point (CFSGJB) that obtains that extra job chunk.
; UPD ID= 8489, RIP:<7.MONITOR>CFSUSR.MAC.4, 9-Feb-88 12:17:47 by GSCOTT
;TCO 7.1218 - Insert copyright notice.
; UPD ID= 8466, RIP:<7.MONITOR>CFSUSR.MAC.3, 7-Feb-88 18:25:26 by RASPUZZI
;TCO 7.1210 - Correct module name for BUG.s.
; UPD ID= 8358, RIP:<7.MONITOR>CFSUSR.MAC.2, 20-Jan-88 11:41:32 by RASPUZZI
;TCO 7.1190 - Split CFSSRV up. Make CFSPAR and CFSUSR to allow CFSSRV
; to be assembled and have the ability to obtain a CREF.
; COPYRIGHT (c) DIGITAL EQUIPMENT CORPORATION 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.
SEARCH CFSPAR,SCAPAR,PHYPAR,PROLOG
TTITLE (CFSUSR,,< - CFS User related routines>)
; M. Raspuzzi January 88
SALL
EXTN <HSHDRI,LNGHSH,NSPCQ0,NSPCQ1,WRDHSH>
DEBUG==1 ;Do debugging
RESCD ;Unless otherwise noted
Subttl Table of Contents
; Table of Contents for CFSUSR
;
; Section Page
;
;
; 1. Initialization
; 1.1 CFSJYN/CFSJYX (Join the CFS network) . . . . . 4
; 1.2 CFSCSC (Create private pages) . . . . . . . . 7
; 2. Support Routines
; 2.1 CFSSPC (Obtain request block space) . . . . . 10
; 2.2 CFCARV (Carve a block from page pool) . . . . 12
; 2.3 SNDTIM (Send date and time to new node) . . . 13
; 2.4 BRDTIM (Send date and time at startup) . . . . 14
; 2.5 CFTADB (Broadcast date and time via STAD) . . 15
; 2.6 CFSPRT (Return local port number) . . . . . . 16
; 2.7 CFSNOD (Routine to get node name) . . . . . . 17
; 3. Global Job Number Routines
; 3.1 JBAVAL (Manage job bit table) . . . . . . . . 19
; 3.2 JBGET1 (Get global job number for local job) . 20
; 3.3 GL2LCL (Return local job number) . . . . . . . 21
; 3.4 LCL2GL (Return global job number) . . . . . . 22
; 3.5 CFGTJB (Get jobs at system startup) . . . . . 23
; 4. DIAG% JSYS Support
; 4.1 CFDIAG (Code for Set CI Unavailable) . . . . . 24
; 5. CNFIG% JSYS Support
; 5.1 CFCIN (Return CFS information) . . . . . . . . 26
; 5.2 CFCSE (Return serial numbers of CFS nodes) . . 27
; 5.3 CFCND (Return list of node names) . . . . . . 28
; 6. End of CFSUSR . . . . . . . . . . . . . . . . . . . . 31
SUBTTL Initialization -- CFSJYN/CFSJYX (Join the CFS network)
;Routine to join the CFS network. This is called after SETSPD has run
;so that all of the system configuration options have been selected.
;Accepts no arguments, and gives no backtalk (a fair arrangement)
;[7.1011] This routine will print out descriptive messages whenever the
;[7.1011] joining process encounters any problems.
;CFSIFL starts at -2. CFSINI calls CFSJYX, which increments it and
;returns.
CFSJYN:: ;Do the join
IFN CFSSCA,< ;If want an SCA interface
MOVEI T1,.NDGLN ;Set up to get our name
MOVEI T2,T3 ;The argument block
MOVE T3,[POINT 8,MYPOR2] ;Where to stash the name
NODE% ;Get it
ERJMP .+1 ;If no name, move on
CFSJYX::AOSE CFSIFL ;Time to join up?
RET ;No
SAVEAC <P1> ;Save a reg
STKVAR <DTIMER,REASON> ;[7.1011] Save some work registers
CALL CFDLSN ;[7.1021] () Open a dump listener
NOP ;[7.1021] Don't care about failure
CALL CFSLSN ;OPEN A LISTENER FIRST
NOP ;BETTER WORK
BLCAL. (SC.SOA,<<.,CFSINT>>) ;[7.1190] Want to know about configuration changes
;NOTE: This will callback at CFSINT for nodes
; that are already online
NOP
; Now we must wait until we have a CFS connection open to every TOPS-20
; system already up. This will allow for a deterministic way to insure that
; we are fully joined to the CI once we return from this routine.
CALL CFSPRT ;(/T1) Get our own port number
MOVEM T1,MYPOR4 ;Store it
MOVSI P1,-C%SBLL ;Loop for all the nodes
MOVEI T1,5 ;[7.1011] Store the initial delay time value
MOVEM T1,DTIMER ;[7.1011]
DO.
HRRZ T1,P1 ;Get the current node
CAMN T1,MYPOR4 ;Is this our node?
JRST CFSJY1 ;Yes, skip it
CALL PTHSTS ;(T1/T1,T2) What is path status to node
EXIT. ;The port is not running - quit
TXNN T2,UDB%WA+UDB%WB ;No-response on both wires?
JRST CFSJY1 ;Yes, skip it
TXNE T2,UDB%MA ;No, is node in maintenance mode?
JRST CFSJY1 ;Yes, skip it
SKIPE SBLIST(P1) ;[7.1011] No, is System Block created yet?
IFSKP. ;[7.1011] No, so we must wait
HRROI T1,[ASCIZ/No System Block created/] ;[7.1011] Save message
MOVEM T1,REASON ;[7.1011]
JRST CFSJY2 ;[7.1011] Go and wait a second
ENDIF. ;[7.1011]
HRRZ T2,P1 ;Get the node number again
CALL ISIT20 ;(T2/) Is this a TOPS-20 system?
JRST CFSJY1 ;No, skip it
HRRZ T1,P1 ;Get node number
CALL CFCNCK ;(T1/) Is there a CFS connection?
IFNSK. ;No, there should be so we will wait
HRROI T1,[ASCIZ/No CFS connection/] ;[7.1011] Save message
MOVEM T1,REASON ;[7.1011]
CFSJY2: SOSL DTIMER ;[7.1011] Should a message be given?
IFSKP. ;[7.1011] Yes
HRROI T1,[ASCIZ/
%CANNOT JOIN CLUSTER WITH NODE /] ;[7.1011] Print first part of message
CALL PMES ;[7.1011] (T1/)
HRRZ T1,P1 ;[7.1011] Now print the node number in decimal
CALL PNUM ;[7.1011] (T1/)
HRROI T1,[ASCIZ/ BECAUSE: /] ;[7.1011]
CALL PMES ;[7.1011] (T1/)
MOVE T1,REASON ;[7.1011] Finally, print the reason
CALL PMES ;[7.1011] (T1/)
HRROI T1,CRLF ;[7.1011] End with a CRLF
CALL PMES ;[7.1011] (T1/)
MOVEI T1,^D60 ;[7.1011] Now, set the delay timer to 60 to...
MOVEM T1,DTIMER ;[7.1011] ...delay message for about 1 minute.
ENDIF. ;[7.1011]
MOVEI T1,^D1000 ;Wait for a second
DISMS
LOOP. ;Try again
ENDIF.
CFSJY1: MOVEI T1,5 ;[7.1011] Reset delay time value
MOVEM T1,DTIMER ;[7.1011]
AOBJN P1,TOP. ;Continue with next node
ENDDO. ;All done - we have joined the cluster
SETONE SCVER ;str verify in job 0
AOS JB0FLG ; so awake it
ENDSV. ;[7.1011]
> ;IFN CFSSCA
RET ;AND DONE
SUBTTL Initialization -- CFSCSC (Create private pages)
;Routine called from JOB 0 start up to create private stock of pages.
CFSCSC::EA.ENT
SAVEQ
CALL CFSDIN ;Do basic set up
REPEAT 0,< ;DONE IN PGRINI, NOT NEEDED HERE
CALL ASSPTL ;Get an SPT slot for the map
TDO T1,SHRPTR ;Make a share pointer out of it
MOVEM T1,MSECTB+CFSSEC ;Stash in the EPT
;Section map all set up. Now put a page in it.
HRRZS T1 ;Get SPT index only
CALL SWPIN1 ;Create a page table for our use
>
MOVEI Q1,LNGHSH ;Get words in long entries
ADDI Q1,WRDHSH ;Add words in short entries
ADDI Q1,HSHLEN+CFSSLN+DMPSLN+PGSIZ+PGSIZ-1 ;[7.1021] Add extra words
IFN CFSSCA,< ;If an SCA interface...
ADDI Q1,NOFN+HSTSIZ ;Add in extra data bases
ADDI Q1,VOTLEN+STRN ;And the extras if SCA is supported
> ;IFN CFSSCA
LSH Q1,-PGSFT
MOVNI Q1,1(Q1) ;Get -(n+1)
HRLZS Q1
DO.
MOVSI T1,CFSSEC ;The section
HRRI T1,0(Q1) ;The page
CALL MLKMA ;Lock it down
ADDI Q1,PGSIZ-1 ;Increase by appropriate amount
AOBJN Q1,TOP. ;Do them all
ENDDO. ;All pages now created
;Now create queue entries
;First, the vote queues
MOVSI Q2,CFSSEC ;Start at the beginning
HRRI Q2,HSHLEN ;Start after the hash table
IFN CFSSCA,< ;Only need this if doing SCA stuff
MOVEM Q2,OLDTAB ;Base of OLDTAB
ADDI Q2,HSTSIZ
MOVEI Q1,NVOTQ0 ;Number of vote packets
DO.
LOAD T1,PGWD,Q2 ;Get page offset in the address
ADDI T1,VOTSIZ-1 ;See if this fits on the page
CAIL T1,PGSIZ ;Does it?
IFNSK. ;If not
MOVE T1,Q2 ;No. See if they are usable anyway
CALL CPPCON ;Check if they are contiguous
ANNSK. ;If not
TXZ Q2,PGWD ;put on page boundary
ADDI Q2,PGSIZ ; next page, that is
ENDIF.
IFN DEBUG,<
MOVE T3,[252525]
STOR T3,CFGWD,(Q2) ;Store unique guard word
> ;IFN DEBUG
MOVE T3,Q2 ;The address
PIOFF
CALL CFSWDN ;Enqueue this one
PION
ADDI Q2,VOTSIZ ;Next address
SOJG Q1,TOP. ;Do them all
ENDDO. ;Vote packets on the queue
> ;IFN CFSSCA
;Now do the hash packest
MOVEI Q1,NSPCQ0 ;The number to do
DO.
MOVE T1,Q2 ;Next one
EXCH T1,CFSPCQ ;Put it on
MOVEM T1,@CFSPCQ ;And link rest to it
ADDI Q2,HSHSIZ ;Next entry
SOJG Q1,TOP. ;Do them all
ENDDO. ;All done
;Now allocate long packets. Always need these, even for non-SCA systems
MOVEI Q1,NSPCQ1 ;Number to get
DO.
MOVE T1,Q2 ;Next one
EXCH T1,CFSPQL ;Enqueue it
MOVEM T1,@CFSPQL ;Link it in
ADDI Q2,HSHSIZ+HSHDRI ;Length of an entry
SOJG Q1,TOP.
ENDDO.
IFN CFSSCA,< ;If SCA present
MOVEM Q2,CFSSTR ;STR transaction table
ADDI Q2,STRN ;# of structures
MOVEM Q2,CFSOFN ;Beginning of OFN pointer table
ADDI Q2,NOFN
> ;IFN CFSSCA
MOVEM Q2,CFSSTK ;Put the stack here
ADDI Q2,CFSSLN ;[7.1021] Goto beginning of dump stack
MOVEM Q2,DMPSTK ;[7.1021] Save the address
ADDI Q2,PGSIZ+DMPSLN ;[7.1021] Get to the guard page
MOVE T1,Q2 ;Copy it
ADDI Q2,PGSIZ ;Get to the next page
TXZ Q2,PGSIZ-1 ;And to the first word
MOVEM Q2,CFNXPG ;Next free cell
CALL FPTA ;Get ID
MOVX T2,PTCACH ;Read-only
CALLRET MSPACS ;Set it
SUBTTL Support Routines -- CFSSPC (Obtain request block space)
;Routine to acquire a request block.
;Returns:
; +1/ no space
; +2 /success. T1/ block address
CFSSPC::PIOFF
SKIPN T1,CFSPCQ ;A PACKET HERE?
IFSKP. ;If so
MOVE T2,0(T1) ;Get the link
MOVEM T2,CFSPCQ ;Pop the stack
PION
AOS CFGTSH ;Count this event
XMOVEI T2,SHTADD
SETZM HSHPST(T1)
SETZM HSHOKV(T1) ;No clla-back for voting
MOVEM T2,HSHRET(T1)
SETZM HSFLAG(T1) ;And the flags
RETSKP ;AND SUCCESS
ENDIF.
PION ;Nothing here.
CALL SPCCOL ;Collect some
SKIPE CFSPCQ ;Any appear?
JRST CFSSPC ;Yep. Go get it
MOVEI T1,HSHSIZ ;Size we need
CALL CFCARV ;Get one please
CALL SHTADD ;Add it
JRST CFSSPC ;And try again
;Entry for a long block
CFSSPL::PIOFF
SKIPN T1,CFSPQL ;Any packets here?
IFSKP. ;If so
AOS CFGTLG ;Count this event
MOVE T2,0(T1) ;Pop it
MOVEM T2,CFSPQL ;And update the list
PION
XMOVEI T2,LNGADD
SETZM HSHPST(T1)
SETZM HSHOKV(T1) ;No call-back for voting
MOVEM T2,HSHRET(T1)
MOVX T2,HSHLOS ;Say it is long
MOVEM T2,HSFLAG(T1) ; and clear other flags
RETSKP ;AND SUCCESS
ENDIF.
PION
CALL SPCCOL ;Collect some
SKIPE CFSPQL ;Any appear?
JRST CFSSPL ;Yep. Go get it
MOVEI T1,HSHDRI+HSHSIZ ;Size needed
CALL CFCARV ;Get one
CALL LNGADD ;Put it in
JRST CFSSPL ;And continue
;Coroutine to add a short block to the CFSPCQ queue
SHTADD: PIOFF
EXCH T1,CFSPCQ ;Make it the head.
MOVEM T1,@CFSPCQ ;And link old queu back in
PION
RET ;Done
;Coroutine to add a long block to the CFSPQL queue
LNGADD: PIOFF
EXCH T1,CFSPQL ;Make it the head
MOVEM T1,@CFSPQL ;Link old queue back in
PION
RET
SUBTTL Support Routines -- CFCARV (Carve a block from page pool)
;Routine to "carve" another block from the page pool
; T1/ Size Needed
;Returns: +1 always.
; T1/ address of block
CFCARV: NOSKED
DO.
MOVE T2,CFNXSZ ;Get size remaining in pool
SUB T2,T1 ;Compute remainder
IFL. T2 ;If not enough
PUSH P,T1 ;Save size needed
MOVE T1,CFNXPG ;Get current address
ADD T1,CFNXSZ ;Increment to the next page
CALL MLKMA ;Create and lock it
POP P,T1 ;Recover size
MOVEI T2,PGSIZ ;Increment of size
ADDM T2,CFNXSZ ;Add it
LOOP.
ENDIF.
ENDDO.
MOVEM T2,CFNXSZ ;Store new size
EXCH T1,CFNXPG ;Get address
ADDM T1,CFNXPG ;And increment by new count
OKSKED
RET ;And done
;Routine to collect some space when a queue is empty. Used by above routines
SPCCOL: MOVEI T1,CFSCTM ;Time
MOVEI T2,SKDCNT ;# to collect
CALLRET CFSRSX ;Do it
SUBTTL Support Routines -- SNDTIM (Send date and time to new node)
;Send date and time to newly on-line host
;Called from various places in CFSSRV
; T1/ Local host index
;Sends date and time if it can
;Clobbers T1-T4
IFN CFSSCA,< ;If SCA support
SNDTIM::ACVAR <W1,W2>
MOVE W1,T1
CALL LGTAD ;Do we have TAD?
CAMN T1,[-1] ;Have it?
RET ;No. DOn't bother doing the rest
MOVE W2,T1 ;Save it
CALL GVOTE1 ;Get a buffer
RET ;None
MOVEI T2,.CFTAD ;Get function
STOR T2,CFCOD,(T1)
MOVEM W2,CFROT(T1) ;Stash the TAD
MOVEI T2,0(W1) ;Host number
CALL SCASND ;Send it off
IFNSK. ;If failed
PIOFF
CALL CFSWDN ;Return the buffer
PION
ENDIF.
RET ;And done
ENDAV.
> ;IFN CFSSCA
SUBTTL Support Routines -- BRDTIM (Send date and time at startup)
;Routine called from MEXEC after date and time is typed in to send
;date and time to any processors that are "inferior" to us.
BRDTIM::
IFE CFSSCA,<RET> ;If no SCA support, nothing to do
IFN CFSSCA,< ;If SCA support...
SAVEQ ;Get some work regs
CFSLOK ;keep things stable for a bit
MOVSI Q1,-HSTSIZ ;Set to loop over the host table
MOVE Q2,MYPORT ;Get our serial number
DO.
SKIPLE CFSHST(Q1) ;Is this one possible around?
SKIPL CFHSTS(Q1) ;yes. Still?
IFSKP. ;If it is here
CAMG Q2,CFSHNM(Q1) ;Are we a bigger wheel?
ANSKP. ;If so
MOVEI T1,0(Q1) ;Get host index
CALL SNDTIM ;Send it the time
ENDIF.
AOBJN Q1,TOP. ;Do all hosts
ENDDO.
CALLRET CFSFAL ;And done
> ;IFN CFSSCA
SUBTTL Support Routines -- CFTADB (Broadcast date and time via STAD)
;Routine to broadcast date and time. Called from STAD JSYS
CFTADB::
IFN CFSSCA,<
CALL LGTAD ;Get local date and time
BLCAL. (CFSBRD,<T1,[0],[.CFTAD],[0]>) ;Do the sends
> ;IFN CFSSCA
RET ;And done
SUBTTL Support Routines -- CFSPRT (Return local port number)
;Routine to return the local port ID to whoever needs it.
; CALL CFSPRT
;Returns: +1
; T1/ ID
CFSPRT::
IFE CFSSCA,<CALLRET RETZ> ;If no SCA, return a zero
IFN CFSSCA,< ;If SCA is present
CALL SC.PRT ;Ask SCA for the amswer
SETZM T1 ;If no port, trouble!!!
RET
> ;IFN CFSSCA
SUBTTL Support Routines -- CFSNOD (Routine to get node name)
;[7.1074]
;CFSNOD - This routine will return the name of a node within a CFS
;cluster given its node number.
;
;Called with:
; T1/ CI node number
; CALL CFSNOD
;
;Returns:
; +1 - Failure, error code in T1
; +2 - Success with:
; T1/ CI node number
; T2 & T3/ 8-bit CI node name
SWAPCD ;Called from TTMSG% JSYS
CFSNOD::SAVEQ ;Preserve these (Q1 is our counter)
STKVAR <NODNUM> ;Place holder for node number
CAIL T1,0 ;Too small?
CAIL T1,C%SBLL ;Or too large?
RETBAD (TTMSX3) ;Yep, CI node is out of range
MOVEM T1,NODNUM ;Stash it
CALL SC.PRT ;(/T1) Get our CI node number
RETBAD () ;Let the caller know an error occurred
CAME T1,NODNUM ;Is the node supplied ours?
IFSKP. ;Yes,
HRLI Q1,(POINT 7,) ;Get 7 bit byte pointer
HRRI Q1,OURNAM ;For our node name
HRLI Q2,(POINT 8,) ;Get 8 bit byte pointer for destination
HRRI Q2,T2 ;It goes here
SETZ T3, ;Be sure no garbage is left over
DO. ;Do all characters until a null is hit
ILDB Q3,Q1 ;Get character
SKIPN Q3 ;Is it a null?
EXIT. ;Yes, all done
IDPB Q3,Q2 ;Not null, stick it in return place
LOOP. ;End of loop
ENDDO.
RETSKP ;Return node name to caller
ENDIF.
CIOFF ;No interruptions while we check this
MOVSI Q1,-HSTSIZ ;Init AOBJN counter
DO. ;Loop over all entries
MOVE T1,CFSHST(Q1) ;Get host entry's CID
SKIPL T1 ;Just a listener?
SKIPN T1 ;Or nothing?
JRST CFSNO2 ;Yes to one, so do next entry
CALL SC.NOD ;(T1/T1,T2) Get CI node number for this
CAME T2,NODNUM ;Is this the node we want?
IFSKP. ;If so
LOAD T2,SID,T1 ;Get index into CFNNAM table from SID field
LSH T2,1 ;CFNNAM has 2 words per entry
DMOVE T2,CFNNAM(T2) ;Retrieve node name and stash in T2 & T3
CION ;And done
RETSKP ;Return to user
ENDIF.
CFSNO2: AOBJN Q1,TOP. ;Do next CFS entry
ENDDO.
CION ;Turn CI back on before going back
RETBAD (TTMSX3) ;All nodes checked, found no match
SUBTTL Global Job Number Routines -- JBAVAL (Manage job bit table)
;Routines to manage job bit table.
;First, routine to make a job available
; T1/ Job to make available
;Returns: +1
; clobbers all temps
RESCD
JBAVAL::SKIPN T1 ;Job 0 is not reserved, so
RET ;Just return
MOVE T4,T1 ;Copy ti
IDIVI T1,^D36 ;Compute word and bit offset
MOVE T2,BITS(T2) ;Get the bit
IORM T2,JOBMBT(T1) ;Make it available
ADJBP T4,GLBPTR ;Point to entry in translation table
MOVEI T3,0 ;Get a zero
DPB T3,T4 ;Clear the entry
RET ;Done
SUBTTL Global Job Number Routines -- JBGET1 (Get global job number for local job)
;[7.1220]
;JBGET1 - Get a free job global for a local job. If there are no free global
;job slots from this system, then try to get another set of 32 jobs. Do this
;only if we have less global jobs than we have NJOBS.
;
; Called with:
; T1/ Local job number
; CALL JBGET1
;
; Returns:
; +1 - Failure, no more global jobs or all jobs in use
; +2 - Success,
; T1/ Global job number
JBGET1::STKVAR <PASS1,JOB> ;[7.1220] Temp storage
SKIPN T1 ;Local Job 0 is always Global Job 0
RETSKP ;So just return
SETZM PASS1 ;[7.1220] Say we are on pass 1
MOVEM T1,JOB ;[7.1220] Save argument
JBGET2: MOVSI T1,-JBWDS ;[7.1220] Scan the table
DO.
SKIPN T2,JOBMBT(T1) ;Anything here?
IFSKP. ;If so
JFFO T2,.+1 ;Find the first
MOVE T2,BITS(T3) ;Get the bit
ANDCAM T2,JOBMBT(T1) ;Clear it
MOVEI T1,0(T1)
IMULI T1,^D36 ;Compute jobs ahead of this one
ADDI T1,(T3) ;Add in the bit
MOVEI T2,(T1) ;Copy it
ADJBP T2,GLBPTR ;Point to entry in translation table
MOVE T4,JOB ;[7.1220] Get local job number back
DPB T4,T2 ;Store local job number
RETSKP ;And done
ENDIF.
AOBJN T1,TOP. ;Look over them all
ENDDO.
SKIPE PASS1 ;[7.1220] On pass 1?
RET ;[7.1220] No, we already tried this
MOVE T1,GBLCNT ;[7.1220] Get current count of jobs allocated
CAIL T1,NJOBS ;[7.1220] Do we have enough jobs already?
RET ;[7.1220] No, all done and no more jobs
SETOM PASS1 ;[7.1220] Flag pass 1 finishing up
NOINT ;[7.1220] Not interruptable while grabbing resources
CALL CFSGJB ;[7.1220] (/) Try to get some more jobs
OKINT ;[7.1220] Can be interrupted now.
JRST JBGET2 ;[7.1220] Now see if we can assign a global job
ENDSV. ;[7.1220]
SUBTTL Global Job Number Routines -- GL2LCL (Return local job number)
;Routine to return the local job number for a global job number.
; T1/ Global job number
;Returns: +1 not a local job. T1/ Error code
; +2 T1/ local job number
;
;Note: This routine is also called by Non-CFS monitors, since they
; depend upon it to check the range of the job number supplied.
GL2LCL::SKIPN T1 ;Job 0 always returns 0
RETSKP
SKIPL T1 ;Must be positive
CAILE T1,MXGLBS ;And must be within range
RETBAD(GTJIX3) ;Invalid
IFG. T1
ADJBP T1,GLBPTR ;Point to entry
LDB T1,T1 ;Get the value
SKIPE T1 ;SKIP if it's zero
CAILE T1,NJOBS ;SKIP if it's below the max.
RETBAD(GTJIX4) ;Illegal job number
ENDIF.
RETSKP ;Else, return the local job number
SUBTTL Global Job Number Routines -- LCL2GL (Return global job number)
;Routine to return the Global Job number, given the local job number.
;Search the Global job number table serially, comparing each entry to
;the desired local job number. This routine can be very slow, and not
;recommended unless absolutely necessary.
;
; T1/ Local Job number
;Returns: +1 No Global job assigned to this local index
; T1/ Error code
; +2 T1/ Global Job number
;
LCL2GL::SKIPN T1 ;Local Job 0 is always Global Job 0
RETSKP ;So return good
CAIL T1,1 ;Check for legal local index
CAILE T1,NJOBS ;Like so
IFNSK. ;If that didn't skip, job index is bad
BUG.(CHK,CFSILJ,CFSUSR,SOFT,<CFSSRV - Illegal Local Job Number>,,<
Cause: LCL2GL as been called to convert a local job number to a global
index, but the local job number is invalid.
Action: If this problem persists, change the CHK to a HLT and determine why
the caller is passing a bad job number.
>)
RETBAD(GTJIX3) ;Return error code for invalid job index
ENDIF.
SAVEP ;Save P registers.
MOVE P1,T1 ;Save requested local job number
MOVSI P4,-MXGLBS ;Build counter
MOVE P3,GLBPTR ;Get pointer to start of table
DO. ;Loop through the table
MOVEI T1,1(P4) ;Get Current Global Job number in T1
ILDB P2,P3 ;Get a table entry
CAIN P2,(P1) ;Does it match requested number?
RETSKP ;Yes. Simply return
AOBJN P4,TOP. ;No, bump counter, and continue loop
ENDDO. ;end of loop, job not found
RETBAD(GTJIX4) ;Return 'No such job'.
SUBTTL Global Job Number Routines -- CFGTJB (Get jobs at system startup)
;[7.1220]
;CFGTJB/CFSGJB - Routine called to get a block of jobs for this system.
;CFGTJB is called at system startup to get the initial set of jobs and
;CFSGJB is called when all of those jobs are used up.
;
; Called with:
; no arguments
; CALL CFGTJB/CFSGJB
;
; Returns:
; +1 - Always
CFSGJB: SAVEQ ;[7.1220] Save work registers
MOVEI Q2,1 ;[7.1220] Only want one set of jobs
JRST CFGTJ1 ;[7.1220] Join common code
CFGTJB::SAVEQ ;Get some work regs
MOVEI Q2,LCLPKT ;[7.1220] Number we need
CFGTJ1: MOVSI Q1,-MXPKTS ;[7.1220] Max,,packet we are on
DO. ;Loop
CALL CFSSPC ;Get some space
CALL CFSERR
MOVX T2,CFJBAS ;Assign job numbers
MOVEM T2,HSHROT(T1) ;Store root code
MOVX T2,.HTOEX ;Need exclusive
STOR T2,HSHTYP,(T1) ;Stash it
HRRZM Q1,HSHQAL(T1) ;Store slot needed
SETZM T2 ;No retry
CALL CFSGET ;Get it
IFSKP. ;If we got this one
MOVEI T1,JBPCKT ;[7.1220] This is how many jobs we got
ADDM T1,GBLCNT ;[7.1220] Account for this chunk
MOVEI Q3,0(Q1) ;Get slot
IMULI Q3,JBPCKT ;Jobs in a slot
HRLI Q3,-JBPCKT
DO.
HRRI T1,1(Q3) ;Get job number
CALL JBAVAL ;Make it available
AOBJN Q3,TOP. ;Do them all
ENDDO.
SOJLE Q2,R ;If all done, return
ENDIF.
AOBJN Q1,TOP. ;Try next slot
ENDDO.
RET ;Done
SUBTTL DIAG% JSYS Support -- CFDIAG (Code for Set CI Unavailable)
;Routine called from DIAG code when the CI is placed off-line. This
;routine closes all of the CFS connections.
SWAPCD ;More JSYS support
CFDIAG::
IFE CFSSCA,<RET> ;If nothing to do, don't do anything
IFN CFSSCA,< ;If we might have something to do
SAVEQ
CFSLOK ;Lock everything up
MOVSI Q1,-HSTSIZ ;Scan the table
DO.
SKIPE CFSHST(Q1) ;Anybody here?
SKIPL CFHSTS(Q1) ;Yes, and opened?
IFSKP. ;If this is opened
BLCAL. (SC.DIS,<CFSHST(Q1),[0]>) ;Close it
IFNSK.
MOVE T3,T1 ;Save error code
MOVE T1,CFSHST(Q1) ;Get connect ID
CALL SC.NOD ;(T1/T1,T2) Get node number
BUG.(CHK,CFCCLZ,CFSUSR,SOFT,<CFSSRV - Can't close CFS connection>,<<T2,NODE>,<T1,CID>,<T3,ERROR>>,<
Cause: A "set CI offline" has been requested and SCA refuses to close
a CFS connection. The call to SC.DIS to disconnect from the remote
node failed. This may result in a CFRECN BUGHLT when the CI is put
on-line.
Data: NODE - node number of remote
CID - connect ID
ERROR - error code returned by SCA
>)
ELSE.
MOVE T3,CFSHST(Q1) ;Get the connect ID
CALL PHYNOL ;Declare the disk's offline
SETZM CFSHST(Q1) ;It is closed
MOVE T1,CFHSTS(Q1)
SETZM CFHSTS(Q1)
SOS CFSHCT ;One less of this
TRNE T1,-1 ;Full?
SOS CFSHCM ;Yes
ENDIF.
HRRZ Q2,Q1 ;GET POSITION
ADD Q2,OLDTAB ; IN OLD CONNECTIONS TABLE
MOVE T1,CFSHNM(Q1) ;GET REMOTE SYSTEM'S SERIAL NUMBER
MOVEM T1,(Q2) ;SAVE IT
ENDIF.
AOBJN Q1,TOP. ;Do all of the table
ENDDO.
CALLRET CFSFAL ;And done
> ;IFN CFSSCA
SUBTTL CNFIG% JSYS Support -- CFCIN (Return CFS information)
IFN CFSSCA,<
; CNFIG% JSYS SUPPORT ROUTINES FOR CFS
; THEY ALSO USE CNFIG% SUPPORT ROUTINES IN JSYSA.MAC
; THE FOLLOWING CONVENTIONS ARE USED FOR PRESERVED REGISTERS
;
; Q1/ MONITOR BLOCK ADDRESS (ESTABLISHED IN THESE ROUTINES)
; Q2/ USER BLOCK ADDRESS
; Q3/ WORDS PROCESSED,,WORDS SUPPLIED
CFCIN:: TRVAR <<CFCINB,.CFCLN>>
XMOVEI Q1,CFCINB ;Q1 POINTS TO MONITOR BLOCK
MOVEI T1,.CFCLN
CALL CFLNDO ;PROCESS .CFLEN
MOVE T1,CFSHCT ;NUMBER OF OTHER CFS HOSTS UP
ADDI T1,1
MOVEM T1,.CFNCN(Q1) ;NUMBER OF CFS NODES
SETZM T2
LOAD T1,SCCNC ;GOT CONNECTED FLAG
SKIPE T1
TXO T2,CF%CFR ;NONZERO MEANS WE DID
MOVEM T2,.CFCDO(Q1) ;DYNAMIC SOFTWARE OPTIONS
CALL CFRET ;RETURN STUFF TO USER
RETSKP
ENDTV.
SUBTTL CNFIG% JSYS Support -- CFCSE (Return serial numbers of CFS nodes)
;RETURN SERIAL NUMBERS OF OTHER HOSTS UP
CFCSE:: TRVAR <<CFCSEB,MAXNDS+2>> ;MAX NUMBER OF OTHER HOSTS + OURS + .CFLEN
XMOVEI Q1,CFCSEB ;ADDRESS OF MONITOR BLOCK
MOVE T1,CFSHCT ;NUMBER OF OTHER HOSTS CURRENTLY UP
ADDI T1,2 ;PLUS US PLUS .CFLEN
CALL CFLND2
XMOVEI P1,.CFCS1(Q1) ; P1/ PLACE TO STORE SERIAL NUMBERS
SETZM 0(P1) ;INITIALIZE TO ZEROS
MOVE T1,APRSER ;APR SERIAL NUMBER IN RIGHT HALF
STOR T1,CF%HSN,0(P1) ;STORE AWAY OUR SERIAL NUMBER
CALL SC.PRT ;GET OUR CI NODE NUMBER
ERJMP .+1 ;IGNORE ERRORS
STOR T1,CF%CIN,0(P1) ;STASH IT
ADDI P1,1
; HERE IS OUR MAIN LOOP TO GET THE SERIAL NUMBERS AND STASH THEM
MOVEI P2,CFSHST ; P2/ PRESENCE TABLE
MOVEI P3,CFHSTS ; P3/ ACTIVENESS TABLE
MOVEI P4,CFSHNM ; P4/ SERIAL NUMBER TABLE
MOVEI P5,HSTSIZ ; P5/ LOOP
DO.
SKIPLE 0(P2) ;ANYTHING HERE?
SKIPL 0(P3) ;ANYTHING ACTIVE?
IFSKP.
SETZM 0(P1) ;INITIALIZE TO ZEROS
MOVE T1,0(P4) ;GET SERIAL NUMBER
LSH T1,-4 ;NORMALIZE
STOR T1,CF%HSN,0(P1) ;STASH IT
MOVE T1,0(P2) ;Get connect ID
CALL SC.NOD ;(T1/T1,T2) Get CI node number
STOR T2,CF%CIN,0(P1) ;Save CI node number
ADDI P1,1 ;BUMP STASH POINTER
ENDIF.
ADDI P2,1 ;BUMP ALL LOOP VARIABLES
ADDI P3,1
ADDI P4,1
SOJG P5,TOP. ;END WHEN WHOLE TABLE SEARCHED
ENDDO.
CALL CFRET ;RETURN STUFF TO USER SPACE
RETSKP
ENDTV.
SUBTTL CNFIG% JSYS Support -- CFCND (Return list of node names)
CFCND:: TRVAR <<CFCNDB,MAXNDS*3+4>>
XMOVEI Q1,CFCNDB
MOVE T1,CFSHCT ;NUMBER OF OTHER HOSTS CURRENTLY UP
IMULI T1,3
ADDI T1,4 ;MAX WORDS RETURNABLE
CALL CFLND2
MOVE T1,CFSHCT
ADDI T1,1
STOR T1,CF%NND,.CFNND(Q1) ; SET NUMBER OF NODES
XMOVEI P1,.CFBP1(Q1) ; P1/ PLACE TO STORE BYTE POINTERS
XMOVEI P2,.CFBP1+1(Q1)
ADD P2,CFSHCT ; P2/ PLACE TO STORE HOST NAMES
MOVEI T3,.CFBP1+1(Q2)
ADD T3,CFSHCT ; T3/ RUNNING ADDRESS FOR BYTE POINTERS
HRR T1,T3
HRLI T1,(POINT 7,)
MOVEM T1,0(P1) ; STORE B.P. FOR OUR NAME
ADDI P1,1 ; BUMP POINTER
ADDI T3,2
DMOVE T1,OURNAM
DMOVEM T1,0(P2)
ADDI P2,2 ; BUMP POINTER
; HERE IS OUR MAIN LOOP TO GET THE NAMES AND STATES AND STASH THEM
MOVEI P3,CFSHST ; P3/ PRESENCE TABLE
MOVEI P4,CFHSTS ; P4/ ACTIVENESS TABLE
MOVEI P5,CFNNAM ; P5/ HOST NAME TABLE
MOVEI T4,HSTSIZ ; T4/ LOOP
DO.
SKIPLE 0(P3) ;ANYTHING HERE?
SKIPL 0(P4) ;ANYTHING ACTIVE?
IFSKP.
HRR T1,T3
HRLI T1,(POINT 7,)
MOVEM T1,0(P1) ; STORE B.P. FOR OUR NAME
ADDI P1,1 ; BUMP POINTER
ADDI T3,2
CALL ASC8T7 ; COPY 0,1(P5) TO 0,1(P2) AND CONVERT
ADDI P2,2 ; BUMP POINTER
ENDIF.
ADDI P3,1
ADDI P4,1
ADDI P5,2
SOJG T4,TOP.
ENDDO.
CALL CFRET
RETSKP
ENDTV.
; THE FOLLOWING CONVERTS 0,1(P5) FROM 8 TO 7 BIT ASCII
; AND STORES THE RESULT IN 0,1(P2)
ASC8T7::SAVET
HRLI T1,(<POINT 8,0>)
HRRI T1,0(P5) ; BYTE POINTER TO SOURCE
HRLI T2,(<POINT 7,0>)
HRRI T2,0(P2) ; BYTE POINTER TO DESTINATION
SETZM 1(P2) ; ZERO DESTINATION NOT TOUCHED
MOVEI T3,8 ; COUNT, 8 BYTES
LOP8T7: ILDB T4,T1 ; THIS IS OUR COPY LOOP
IDPB T4,T2
SOJG T3,LOP8T7
RET
> ;IFN CFSSCA
SUBTTL End of CFSUSR
END